diff options
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/Kconfig | 32 | ||||
| -rw-r--r-- | sound/usb/Makefile | 12 | ||||
| -rw-r--r-- | sound/usb/usbaudio.c | 3337 | ||||
| -rw-r--r-- | sound/usb/usbaudio.h | 251 | ||||
| -rw-r--r-- | sound/usb/usbmidi.c | 1564 | ||||
| -rw-r--r-- | sound/usb/usbmixer.c | 1545 | ||||
| -rw-r--r-- | sound/usb/usbmixer_maps.c | 135 | ||||
| -rw-r--r-- | sound/usb/usbquirks.h | 1202 | ||||
| -rw-r--r-- | sound/usb/usx2y/Makefile | 3 | ||||
| -rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.c | 280 | ||||
| -rw-r--r-- | sound/usb/usx2y/usX2Yhwdep.h | 6 | ||||
| -rw-r--r-- | sound/usb/usx2y/usbus428ctldefs.h | 108 | ||||
| -rw-r--r-- | sound/usb/usx2y/usbusx2y.c | 461 | ||||
| -rw-r--r-- | sound/usb/usx2y/usbusx2y.h | 84 | ||||
| -rw-r--r-- | sound/usb/usx2y/usbusx2yaudio.c | 1026 | ||||
| -rw-r--r-- | sound/usb/usx2y/usx2y.h | 51 | ||||
| -rw-r--r-- | sound/usb/usx2y/usx2yhwdeppcm.c | 807 | ||||
| -rw-r--r-- | sound/usb/usx2y/usx2yhwdeppcm.h | 21 |
18 files changed, 10925 insertions, 0 deletions
diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig new file mode 100644 index 000000000000..9329e992c841 --- /dev/null +++ b/sound/usb/Kconfig @@ -0,0 +1,32 @@ +# ALSA USB drivers + +menu "USB devices" + depends on SND!=n && USB!=n + +config SND_USB_AUDIO + tristate "USB Audio/MIDI driver" + depends on SND && USB + select SND_RAWMIDI + select SND_PCM + help + Say Y here to include support for USB audio and USB MIDI + devices. + + To compile this driver as a module, choose M here: the module + will be called snd-usb-audio. + +config SND_USB_USX2Y + tristate "Tascam US-122, US-224 and US-428 USB driver" + depends on SND && USB && (X86 || PPC || ALPHA) + select SND_HWDEP + select SND_RAWMIDI + select SND_PCM + help + Say Y here to include support for Tascam USB Audio/MIDI + interfaces or controllers US-122, US-224 and US-428. + + To compile this driver as a module, choose M here: the module + will be called snd-usb-usx2y. + +endmenu + diff --git a/sound/usb/Makefile b/sound/usb/Makefile new file mode 100644 index 000000000000..2c1dc11a72e2 --- /dev/null +++ b/sound/usb/Makefile @@ -0,0 +1,12 @@ +# +# Makefile for ALSA +# + +snd-usb-audio-objs := usbaudio.o usbmixer.o +snd-usb-lib-objs := usbmidi.o + +# Toplevel Module Dependency +obj-$(CONFIG_SND_USB_AUDIO) += snd-usb-audio.o snd-usb-lib.o +obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-lib.o + +obj-$(CONFIG_SND) += usx2y/ diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c new file mode 100644 index 000000000000..84b0bbddbd22 --- /dev/null +++ b/sound/usb/usbaudio.c @@ -0,0 +1,3337 @@ +/* + * (Tentative) USB Audio Driver for ALSA + * + * Main and PCM part + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * Many codes borrowed from audio.c by + * Alan Cox (alan@lxorguk.ukuu.org.uk) + * Thomas Sailer (sailer@ife.ee.ethz.ch) + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * + * NOTES: + * + * - async unlink should be used for avoiding the sleep inside lock. + * 2.4.22 usb-uhci seems buggy for async unlinking and results in + * oops. in such a cse, pass async_unlink=0 option. + * - the linked URBs would be preferred but not used so far because of + * the instability of unlinking. + * - type II is not supported properly. there is no device which supports + * this type *correctly*. SB extigy looks as if it supports, but it's + * indeed an AC3 stream packed in SPDIF frames (i.e. no real AC3 stream). + */ + + +#include <sound/driver.h> +#include <linux/bitops.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/usb.h> +#include <linux/moduleparam.h> +#include <sound/core.h> +#include <sound/info.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/initval.h> + +#include "usbaudio.h" + + +MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); +MODULE_DESCRIPTION("USB Audio"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{Generic,USB Audio}}"); + + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +static int vid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Vendor ID for this card */ +static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 }; /* Product ID for this card */ +static int nrpacks = 4; /* max. number of packets per urb */ +static int async_unlink = 1; + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for the USB audio adapter."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for the USB audio adapter."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable USB audio adapter."); +module_param_array(vid, int, NULL, 0444); +MODULE_PARM_DESC(vid, "Vendor ID for the USB audio device."); +module_param_array(pid, int, NULL, 0444); +MODULE_PARM_DESC(pid, "Product ID for the USB audio device."); +module_param(nrpacks, int, 0444); +MODULE_PARM_DESC(nrpacks, "Max. number of packets per URB."); +module_param(async_unlink, bool, 0444); +MODULE_PARM_DESC(async_unlink, "Use async unlink mode."); + + +/* + * debug the h/w constraints + */ +/* #define HW_CONST_DEBUG */ + + +/* + * + */ + +#define MAX_PACKS 10 +#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */ +#define MAX_URBS 5 /* max. 20ms long packets */ +#define SYNC_URBS 2 /* always two urbs for sync */ +#define MIN_PACKS_URB 1 /* minimum 1 packet per urb */ + +typedef struct snd_usb_substream snd_usb_substream_t; +typedef struct snd_usb_stream snd_usb_stream_t; +typedef struct snd_urb_ctx snd_urb_ctx_t; + +struct audioformat { + struct list_head list; + snd_pcm_format_t format; /* format type */ + unsigned int channels; /* # channels */ + unsigned int fmt_type; /* USB audio format type (1-3) */ + unsigned int frame_size; /* samples per frame for non-audio */ + int iface; /* interface number */ + unsigned char altsetting; /* corresponding alternate setting */ + unsigned char altset_idx; /* array index of altenate setting */ + unsigned char attributes; /* corresponding attributes of cs endpoint */ + unsigned char endpoint; /* endpoint */ + unsigned char ep_attr; /* endpoint attributes */ + unsigned int maxpacksize; /* max. packet size */ + unsigned int rates; /* rate bitmasks */ + unsigned int rate_min, rate_max; /* min/max rates */ + unsigned int nr_rates; /* number of rate table entries */ + unsigned int *rate_table; /* rate table */ +}; + +struct snd_urb_ctx { + struct urb *urb; + snd_usb_substream_t *subs; + int index; /* index for urb array */ + int packets; /* number of packets per urb */ + int transfer; /* transferred size */ + char *buf; /* buffer for capture */ +}; + +struct snd_urb_ops { + int (*prepare)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u); + int (*retire)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u); + int (*prepare_sync)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u); + int (*retire_sync)(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime, struct urb *u); +}; + +struct snd_usb_substream { + snd_usb_stream_t *stream; + struct usb_device *dev; + snd_pcm_substream_t *pcm_substream; + int direction; /* playback or capture */ + int interface; /* current interface */ + int endpoint; /* assigned endpoint */ + struct audioformat *cur_audiofmt; /* current audioformat pointer (for hw_params callback) */ + unsigned int cur_rate; /* current rate (for hw_params callback) */ + unsigned int period_bytes; /* current period bytes (for hw_params callback) */ + unsigned int format; /* USB data format */ + unsigned int datapipe; /* the data i/o pipe */ + unsigned int syncpipe; /* 1 - async out or adaptive in */ + unsigned int syncinterval; /* P for adaptive mode, 0 otherwise */ + unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */ + unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */ + unsigned int freqmax; /* maximum sampling rate, used for buffer management */ + unsigned int phase; /* phase accumulator */ + unsigned int maxpacksize; /* max packet size in bytes */ + unsigned int maxframesize; /* max packet size in frames */ + unsigned int curpacksize; /* current packet size in bytes (for capture) */ + unsigned int curframesize; /* current packet size in frames (for capture) */ + unsigned int fill_max: 1; /* fill max packet size always */ + unsigned int fmt_type; /* USB audio format type (1-3) */ + + unsigned int running: 1; /* running status */ + + unsigned int hwptr; /* free frame position in the buffer (only for playback) */ + unsigned int hwptr_done; /* processed frame position in the buffer */ + unsigned int transfer_sched; /* scheduled frames since last period (for playback) */ + unsigned int transfer_done; /* processed frames since last period update */ + unsigned long active_mask; /* bitmask of active urbs */ + unsigned long unlink_mask; /* bitmask of unlinked urbs */ + + unsigned int nurbs; /* # urbs */ + snd_urb_ctx_t dataurb[MAX_URBS]; /* data urb table */ + snd_urb_ctx_t syncurb[SYNC_URBS]; /* sync urb table */ + char syncbuf[SYNC_URBS * MAX_PACKS * 4]; /* sync buffer; it's so small - let's get static */ + char *tmpbuf; /* temporary buffer for playback */ + + u64 formats; /* format bitmasks (all or'ed) */ + unsigned int num_formats; /* number of supported audio formats (list) */ + struct list_head fmt_list; /* format list */ + spinlock_t lock; + + struct snd_urb_ops ops; /* callbacks (must be filled at init) */ +}; + + +struct snd_usb_stream { + snd_usb_audio_t *chip; + snd_pcm_t *pcm; + int pcm_index; + unsigned int fmt_type; /* USB audio format type (1-3) */ + snd_usb_substream_t substream[2]; + struct list_head list; +}; + + +/* + * we keep the snd_usb_audio_t instances by ourselves for merging + * the all interfaces on the same card as one sound device. + */ + +static DECLARE_MUTEX(register_mutex); +static snd_usb_audio_t *usb_chip[SNDRV_CARDS]; + + +/* + * convert a sampling rate into our full speed format (fs/1000 in Q16.16) + * this will overflow at approx 524 kHz + */ +inline static unsigned get_usb_full_speed_rate(unsigned int rate) +{ + return ((rate << 13) + 62) / 125; +} + +/* + * convert a sampling rate into USB high speed format (fs/8000 in Q16.16) + * this will overflow at approx 4 MHz + */ +inline static unsigned get_usb_high_speed_rate(unsigned int rate) +{ + return ((rate << 10) + 62) / 125; +} + +/* convert our full speed USB rate into sampling rate in Hz */ +inline static unsigned get_full_speed_hz(unsigned int usb_rate) +{ + return (usb_rate * 125 + (1 << 12)) >> 13; +} + +/* convert our high speed USB rate into sampling rate in Hz */ +inline static unsigned get_high_speed_hz(unsigned int usb_rate) +{ + return (usb_rate * 125 + (1 << 9)) >> 10; +} + + +/* + * prepare urb for full speed capture sync pipe + * + * fill the length and offset of each urb descriptor. + * the fixed 10.14 frequency is passed through the pipe. + */ +static int prepare_capture_sync_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + unsigned char *cp = urb->transfer_buffer; + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + int i, offs; + + urb->number_of_packets = ctx->packets; + urb->dev = ctx->subs->dev; /* we need to set this at each time */ + for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4, cp += 4) { + urb->iso_frame_desc[i].length = 3; + urb->iso_frame_desc[i].offset = offs; + cp[0] = subs->freqn >> 2; + cp[1] = subs->freqn >> 10; + cp[2] = subs->freqn >> 18; + } + return 0; +} + +/* + * prepare urb for high speed capture sync pipe + * + * fill the length and offset of each urb descriptor. + * the fixed 12.13 frequency is passed as 16.16 through the pipe. + */ +static int prepare_capture_sync_urb_hs(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + unsigned char *cp = urb->transfer_buffer; + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + int i, offs; + + urb->number_of_packets = ctx->packets; + urb->dev = ctx->subs->dev; /* we need to set this at each time */ + for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4, cp += 4) { + urb->iso_frame_desc[i].length = 4; + urb->iso_frame_desc[i].offset = offs; + cp[0] = subs->freqn; + cp[1] = subs->freqn >> 8; + cp[2] = subs->freqn >> 16; + cp[3] = subs->freqn >> 24; + } + return 0; +} + +/* + * process after capture sync complete + * - nothing to do + */ +static int retire_capture_sync_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + return 0; +} + +/* + * prepare urb for capture data pipe + * + * fill the offset and length of each descriptor. + * + * we use a temporary buffer to write the captured data. + * since the length of written data is determined by host, we cannot + * write onto the pcm buffer directly... the data is thus copied + * later at complete callback to the global buffer. + */ +static int prepare_capture_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + int i, offs; + unsigned long flags; + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + + offs = 0; + urb->dev = ctx->subs->dev; /* we need to set this at each time */ + urb->number_of_packets = 0; + spin_lock_irqsave(&subs->lock, flags); + for (i = 0; i < ctx->packets; i++) { + urb->iso_frame_desc[i].offset = offs; + urb->iso_frame_desc[i].length = subs->curpacksize; + offs += subs->curpacksize; + urb->number_of_packets++; + subs->transfer_sched += subs->curframesize; + if (subs->transfer_sched >= runtime->period_size) { + subs->transfer_sched -= runtime->period_size; + break; + } + } + spin_unlock_irqrestore(&subs->lock, flags); + urb->transfer_buffer = ctx->buf; + urb->transfer_buffer_length = offs; +#if 0 // for check + if (! urb->bandwidth) { + int bustime; + bustime = usb_check_bandwidth(urb->dev, urb); + if (bustime < 0) + return bustime; + printk("urb %d: bandwidth = %d (packets = %d)\n", ctx->index, bustime, urb->number_of_packets); + usb_claim_bandwidth(urb->dev, urb, bustime, 1); + } +#endif // for check + return 0; +} + +/* + * process after capture complete + * + * copy the data from each desctiptor to the pcm buffer, and + * update the current position. + */ +static int retire_capture_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + unsigned long flags; + unsigned char *cp; + int i; + unsigned int stride, len, oldptr; + + stride = runtime->frame_bits >> 3; + + for (i = 0; i < urb->number_of_packets; i++) { + cp = (unsigned char *)urb->transfer_buffer + urb->iso_frame_desc[i].offset; + if (urb->iso_frame_desc[i].status) { + snd_printd(KERN_ERR "frame %d active: %d\n", i, urb->iso_frame_desc[i].status); + // continue; + } + len = urb->iso_frame_desc[i].actual_length / stride; + if (! len) + continue; + /* update the current pointer */ + spin_lock_irqsave(&subs->lock, flags); + oldptr = subs->hwptr_done; + subs->hwptr_done += len; + if (subs->hwptr_done >= runtime->buffer_size) + subs->hwptr_done -= runtime->buffer_size; + subs->transfer_done += len; + spin_unlock_irqrestore(&subs->lock, flags); + /* copy a data chunk */ + if (oldptr + len > runtime->buffer_size) { + unsigned int cnt = runtime->buffer_size - oldptr; + unsigned int blen = cnt * stride; + memcpy(runtime->dma_area + oldptr * stride, cp, blen); + memcpy(runtime->dma_area, cp + blen, len * stride - blen); + } else { + memcpy(runtime->dma_area + oldptr * stride, cp, len * stride); + } + /* update the pointer, call callback if necessary */ + spin_lock_irqsave(&subs->lock, flags); + if (subs->transfer_done >= runtime->period_size) { + subs->transfer_done -= runtime->period_size; + spin_unlock_irqrestore(&subs->lock, flags); + snd_pcm_period_elapsed(subs->pcm_substream); + } else + spin_unlock_irqrestore(&subs->lock, flags); + } + return 0; +} + + +/* + * prepare urb for full speed playback sync pipe + * + * set up the offset and length to receive the current frequency. + */ + +static int prepare_playback_sync_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + int i, offs; + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + + urb->number_of_packets = ctx->packets; + urb->dev = ctx->subs->dev; /* we need to set this at each time */ + for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4) { + urb->iso_frame_desc[i].length = 3; + urb->iso_frame_desc[i].offset = offs; + } + return 0; +} + +/* + * prepare urb for high speed playback sync pipe + * + * set up the offset and length to receive the current frequency. + */ + +static int prepare_playback_sync_urb_hs(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + int i, offs; + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + + urb->number_of_packets = ctx->packets; + urb->dev = ctx->subs->dev; /* we need to set this at each time */ + for (i = offs = 0; i < urb->number_of_packets; i++, offs += 4) { + urb->iso_frame_desc[i].length = 4; + urb->iso_frame_desc[i].offset = offs; + } + return 0; +} + +/* + * process after full speed playback sync complete + * + * retrieve the current 10.14 frequency from pipe, and set it. + * the value is referred in prepare_playback_urb(). + */ +static int retire_playback_sync_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + int i; + unsigned int f, found; + unsigned char *cp = urb->transfer_buffer; + unsigned long flags; + + found = 0; + for (i = 0; i < urb->number_of_packets; i++, cp += 4) { + if (urb->iso_frame_desc[i].status || + urb->iso_frame_desc[i].actual_length < 3) + continue; + f = combine_triple(cp) << 2; +#if 0 + if (f < subs->freqn - (subs->freqn>>3) || f > subs->freqmax) { + snd_printd(KERN_WARNING "requested frequency %d (%u,%03uHz) out of range (current nominal %d (%u,%03uHz))\n", + f, f >> 14, (f & ((1 << 14) - 1) * 1000) / ((1 << 14) - 1), + subs->freqn, subs->freqn >> 14, (subs->freqn & ((1 << 14) - 1) * 1000) / ((1 << 14) - 1)); + continue; + } +#endif + found = f; + } + if (found) { + spin_lock_irqsave(&subs->lock, flags); + subs->freqm = found; + spin_unlock_irqrestore(&subs->lock, flags); + } + + return 0; +} + +/* + * process after high speed playback sync complete + * + * retrieve the current 12.13 frequency from pipe, and set it. + * the value is referred in prepare_playback_urb(). + */ +static int retire_playback_sync_urb_hs(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + int i; + unsigned int found; + unsigned char *cp = urb->transfer_buffer; + unsigned long flags; + + found = 0; + for (i = 0; i < urb->number_of_packets; i++, cp += 4) { + if (urb->iso_frame_desc[i].status || + urb->iso_frame_desc[i].actual_length < 4) + continue; + found = combine_quad(cp) & 0x0fffffff; + } + if (found) { + spin_lock_irqsave(&subs->lock, flags); + subs->freqm = found; + spin_unlock_irqrestore(&subs->lock, flags); + } + + return 0; +} + +/* + * prepare urb for playback data pipe + * + * we copy the data directly from the pcm buffer. + * the current position to be copied is held in hwptr field. + * since a urb can handle only a single linear buffer, if the total + * transferred area overflows the buffer boundary, we cannot send + * it directly from the buffer. thus the data is once copied to + * a temporary buffer and urb points to that. + */ +static int prepare_playback_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + int i, stride, offs; + unsigned int counts; + unsigned long flags; + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + + stride = runtime->frame_bits >> 3; + + offs = 0; + urb->dev = ctx->subs->dev; /* we need to set this at each time */ + urb->number_of_packets = 0; + spin_lock_irqsave(&subs->lock, flags); + for (i = 0; i < ctx->packets; i++) { + /* calculate the size of a packet */ + if (subs->fill_max) + counts = subs->maxframesize; /* fixed */ + else { + subs->phase = (subs->phase & 0xffff) + subs->freqm; + counts = subs->phase >> 16; + if (counts > subs->maxframesize) + counts = subs->maxframesize; + } + /* set up descriptor */ + urb->iso_frame_desc[i].offset = offs * stride; + urb->iso_frame_desc[i].length = counts * stride; + offs += counts; + urb->number_of_packets++; + subs->transfer_sched += counts; + if (subs->transfer_sched >= runtime->period_size) { + subs->transfer_sched -= runtime->period_size; + if (subs->fmt_type == USB_FORMAT_TYPE_II) { + if (subs->transfer_sched > 0) { + /* FIXME: fill-max mode is not supported yet */ + offs -= subs->transfer_sched; + counts -= subs->transfer_sched; + urb->iso_frame_desc[i].length = counts * stride; + subs->transfer_sched = 0; + } + i++; + if (i < ctx->packets) { + /* add a transfer delimiter */ + urb->iso_frame_desc[i].offset = offs * stride; + urb->iso_frame_desc[i].length = 0; + urb->number_of_packets++; + } + } + break; + } + } + if (subs->hwptr + offs > runtime->buffer_size) { + /* err, the transferred area goes over buffer boundary. + * copy the data to the temp buffer. + */ + int len; + len = runtime->buffer_size - subs->hwptr; + urb->transfer_buffer = subs->tmpbuf; + memcpy(subs->tmpbuf, runtime->dma_area + subs->hwptr * stride, len * stride); + memcpy(subs->tmpbuf + len * stride, runtime->dma_area, (offs - len) * stride); + subs->hwptr += offs; + subs->hwptr -= runtime->buffer_size; + } else { + /* set the buffer pointer */ + urb->transfer_buffer = runtime->dma_area + subs->hwptr * stride; + subs->hwptr += offs; + } + spin_unlock_irqrestore(&subs->lock, flags); + urb->transfer_buffer_length = offs * stride; + ctx->transfer = offs; + + return 0; +} + +/* + * process after playback data complete + * + * update the current position and call callback if a period is processed. + */ +static int retire_playback_urb(snd_usb_substream_t *subs, + snd_pcm_runtime_t *runtime, + struct urb *urb) +{ + unsigned long flags; + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + + spin_lock_irqsave(&subs->lock, flags); + subs->transfer_done += ctx->transfer; + subs->hwptr_done += ctx->transfer; + ctx->transfer = 0; + if (subs->hwptr_done >= runtime->buffer_size) + subs->hwptr_done -= runtime->buffer_size; + if (subs->transfer_done >= runtime->period_size) { + subs->transfer_done -= runtime->period_size; + spin_unlock_irqrestore(&subs->lock, flags); + snd_pcm_period_elapsed(subs->pcm_substream); + } else + spin_unlock_irqrestore(&subs->lock, flags); + return 0; +} + + +/* + */ +static struct snd_urb_ops audio_urb_ops[2] = { + { + .prepare = prepare_playback_urb, + .retire = retire_playback_urb, + .prepare_sync = prepare_playback_sync_urb, + .retire_sync = retire_playback_sync_urb, + }, + { + .prepare = prepare_capture_urb, + .retire = retire_capture_urb, + .prepare_sync = prepare_capture_sync_urb, + .retire_sync = retire_capture_sync_urb, + }, +}; + +static struct snd_urb_ops audio_urb_ops_high_speed[2] = { + { + .prepare = prepare_playback_urb, + .retire = retire_playback_urb, + .prepare_sync = prepare_playback_sync_urb_hs, + .retire_sync = retire_playback_sync_urb_hs, + }, + { + .prepare = prepare_capture_urb, + .retire = retire_capture_urb, + .prepare_sync = prepare_capture_sync_urb_hs, + .retire_sync = retire_capture_sync_urb, + }, +}; + +/* + * complete callback from data urb + */ +static void snd_complete_urb(struct urb *urb, struct pt_regs *regs) +{ + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + snd_usb_substream_t *subs = ctx->subs; + snd_pcm_substream_t *substream = ctx->subs->pcm_substream; + int err = 0; + + if ((subs->running && subs->ops.retire(subs, substream->runtime, urb)) || + ! subs->running || /* can be stopped during retire callback */ + (err = subs->ops.prepare(subs, substream->runtime, urb)) < 0 || + (err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { + clear_bit(ctx->index, &subs->active_mask); + if (err < 0) { + snd_printd(KERN_ERR "cannot submit urb (err = %d)\n", err); + snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + } + } +} + + +/* + * complete callback from sync urb + */ +static void snd_complete_sync_urb(struct urb *urb, struct pt_regs *regs) +{ + snd_urb_ctx_t *ctx = (snd_urb_ctx_t *)urb->context; + snd_usb_substream_t *subs = ctx->subs; + snd_pcm_substream_t *substream = ctx->subs->pcm_substream; + int err = 0; + + if ((subs->running && subs->ops.retire_sync(subs, substream->runtime, urb)) || + ! subs->running || /* can be stopped during retire callback */ + (err = subs->ops.prepare_sync(subs, substream->runtime, urb)) < 0 || + (err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { + clear_bit(ctx->index + 16, &subs->active_mask); + if (err < 0) { + snd_printd(KERN_ERR "cannot submit sync urb (err = %d)\n", err); + snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN); + } + } +} + + +/* + * unlink active urbs. + */ +static int deactivate_urbs(snd_usb_substream_t *subs, int force, int can_sleep) +{ + unsigned int i; + int async; + + subs->running = 0; + + if (!force && subs->stream->chip->shutdown) /* to be sure... */ + return -EBADFD; + + async = !can_sleep && async_unlink; + + if (! async && in_interrupt()) + return 0; + + for (i = 0; i < subs->nurbs; i++) { + if (test_bit(i, &subs->active_mask)) { + if (! test_and_set_bit(i, &subs->unlink_mask)) { + struct urb *u = subs->dataurb[i].urb; + if (async) { + u->transfer_flags |= URB_ASYNC_UNLINK; + usb_unlink_urb(u); + } else + usb_kill_urb(u); + } + } + } + if (subs->syncpipe) { + for (i = 0; i < SYNC_URBS; i++) { + if (test_bit(i+16, &subs->active_mask)) { + if (! test_and_set_bit(i+16, &subs->unlink_mask)) { + struct urb *u = subs->syncurb[i].urb; + if (async) { + u->transfer_flags |= URB_ASYNC_UNLINK; + usb_unlink_urb(u); + } else + usb_kill_urb(u); + } + } + } + } + return 0; +} + + +/* + * set up and start data/sync urbs + */ +static int start_urbs(snd_usb_substream_t *subs, snd_pcm_runtime_t *runtime) +{ + unsigned int i; + int err; + + if (subs->stream->chip->shutdown) + return -EBADFD; + + for (i = 0; i < subs->nurbs; i++) { + snd_assert(subs->dataurb[i].urb, return -EINVAL); + if (subs->ops.prepare(subs, runtime, subs->dataurb[i].urb) < 0) { + snd_printk(KERN_ERR "cannot prepare datapipe for urb %d\n", i); + goto __error; + } + } + if (subs->syncpipe) { + for (i = 0; i < SYNC_URBS; i++) { + snd_assert(subs->syncurb[i].urb, return -EINVAL); + if (subs->ops.prepare_sync(subs, runtime, subs->syncurb[i].urb) < 0) { + snd_printk(KERN_ERR "cannot prepare syncpipe for urb %d\n", i); + goto __error; + } + } + } + + subs->active_mask = 0; + subs->unlink_mask = 0; + subs->running = 1; + for (i = 0; i < subs->nurbs; i++) { + if ((err = usb_submit_urb(subs->dataurb[i].urb, GFP_ATOMIC)) < 0) { + snd_printk(KERN_ERR "cannot submit datapipe for urb %d, err = %d\n", i, err); + goto __error; + } + set_bit(i, &subs->active_mask); + } + if (subs->syncpipe) { + for (i = 0; i < SYNC_URBS; i++) { + if ((err = usb_submit_urb(subs->syncurb[i].urb, GFP_ATOMIC)) < 0) { + snd_printk(KERN_ERR "cannot submit syncpipe for urb %d, err = %d\n", i, err); + goto __error; + } + set_bit(i + 16, &subs->active_mask); + } + } + return 0; + + __error: + // snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN); + deactivate_urbs(subs, 0, 0); + return -EPIPE; +} + + +/* + * wait until all urbs are processed. + */ +static int wait_clear_urbs(snd_usb_substream_t *subs) +{ + int timeout = HZ; + unsigned int i; + int alive; + + do { + alive = 0; + for (i = 0; i < subs->nurbs; i++) { + if (test_bit(i, &subs->active_mask)) + alive++; + } + if (subs->syncpipe) { + for (i = 0; i < SYNC_URBS; i++) { + if (test_bit(i + 16, &subs->active_mask)) + alive++; + } + } + if (! alive) + break; + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(1); + } while (--timeout > 0); + if (alive) + snd_printk(KERN_ERR "timeout: still %d active urbs..\n", alive); + return 0; +} + + +/* + * return the current pcm pointer. just return the hwptr_done value. + */ +static snd_pcm_uframes_t snd_usb_pcm_pointer(snd_pcm_substream_t *substream) +{ + snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data; + return subs->hwptr_done; +} + + +/* + * start/stop substream + */ +static int snd_usb_pcm_trigger(snd_pcm_substream_t *substream, int cmd) +{ + snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data; + int err; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + err = start_urbs(subs, substream->runtime); + break; + case SNDRV_PCM_TRIGGER_STOP: + err = deactivate_urbs(subs, 0, 0); + break; + default: + err = -EINVAL; + break; + } + return err < 0 ? err : 0; +} + + +/* + * release a urb data + */ +static void release_urb_ctx(snd_urb_ctx_t *u) +{ + if (u->urb) { + usb_free_urb(u->urb); + u->urb = NULL; + } + if (u->buf) { + kfree(u->buf); + u->buf = NULL; + } +} + +/* + * release a substream + */ +static void release_substream_urbs(snd_usb_substream_t *subs, int force) +{ + int i; + + /* stop urbs (to be sure) */ + deactivate_urbs(subs, force, 1); + wait_clear_urbs(subs); + + for (i = 0; i < MAX_URBS; i++) + release_urb_ctx(&subs->dataurb[i]); + for (i = 0; i < SYNC_URBS; i++) + release_urb_ctx(&subs->syncurb[i]); + if (subs->tmpbuf) { + kfree(subs->tmpbuf); + subs->tmpbuf = NULL; + } + subs->nurbs = 0; +} + +/* + * initialize a substream for plaback/capture + */ +static int init_substream_urbs(snd_usb_substream_t *subs, unsigned int period_bytes, + unsigned int rate, unsigned int frame_bits) +{ + unsigned int maxsize, n, i; + int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK; + unsigned int npacks[MAX_URBS], urb_packs, total_packs; + + /* calculate the frequency in 16.16 format */ + if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) + subs->freqn = get_usb_full_speed_rate(rate); + else + subs->freqn = get_usb_high_speed_rate(rate); + subs->freqm = subs->freqn; + subs->freqmax = subs->freqn + (subs->freqn >> 2); /* max. allowed frequency */ + subs->phase = 0; + + /* calculate the max. size of packet */ + maxsize = ((subs->freqmax + 0xffff) * (frame_bits >> 3)) >> 16; + if (subs->maxpacksize && maxsize > subs->maxpacksize) { + //snd_printd(KERN_DEBUG "maxsize %d is greater than defined size %d\n", + // maxsize, subs->maxpacksize); + maxsize = subs->maxpacksize; + } + + if (subs->fill_max) + subs->curpacksize = subs->maxpacksize; + else + subs->curpacksize = maxsize; + + if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) + urb_packs = nrpacks; + else + urb_packs = nrpacks * 8; + + /* allocate a temporary buffer for playback */ + if (is_playback) { + subs->tmpbuf = kmalloc(maxsize * urb_packs, GFP_KERNEL); + if (! subs->tmpbuf) { + snd_printk(KERN_ERR "cannot malloc tmpbuf\n"); + return -ENOMEM; + } + } + + /* decide how many packets to be used */ + total_packs = (period_bytes + maxsize - 1) / maxsize; + if (total_packs < 2 * MIN_PACKS_URB) + total_packs = 2 * MIN_PACKS_URB; + subs->nurbs = (total_packs + urb_packs - 1) / urb_packs; + if (subs->nurbs > MAX_URBS) { + /* too much... */ + subs->nurbs = MAX_URBS; + total_packs = MAX_URBS * urb_packs; + } + n = total_packs; + for (i = 0; i < subs->nurbs; i++) { + npacks[i] = n > urb_packs ? urb_packs : n; + n -= urb_packs; + } + if (subs->nurbs <= 1) { + /* too little - we need at least two packets + * to ensure contiguous playback/capture + */ + subs->nurbs = 2; + npacks[0] = (total_packs + 1) / 2; + npacks[1] = total_packs - npacks[0]; + } else if (npacks[subs->nurbs-1] < MIN_PACKS_URB) { + /* the last packet is too small.. */ + if (subs->nurbs > 2) { + /* merge to the first one */ + npacks[0] += npacks[subs->nurbs - 1]; + subs->nurbs--; + } else { + /* divide to two */ + subs->nurbs = 2; + npacks[0] = (total_packs + 1) / 2; + npacks[1] = total_packs - npacks[0]; + } + } + + /* allocate and initialize data urbs */ + for (i = 0; i < subs->nurbs; i++) { + snd_urb_ctx_t *u = &subs->dataurb[i]; + u->index = i; + u->subs = subs; + u->transfer = 0; + u->packets = npacks[i]; + if (subs->fmt_type == USB_FORMAT_TYPE_II) + u->packets++; /* for transfer delimiter */ + if (! is_playback) { + /* allocate a capture buffer per urb */ + u->buf = kmalloc(maxsize * u->packets, GFP_KERNEL); + if (! u->buf) { + release_substream_urbs(subs, 0); + return -ENOMEM; + } + } + u->urb = usb_alloc_urb(u->packets, GFP_KERNEL); + if (! u->urb) { + release_substream_urbs(subs, 0); + return -ENOMEM; + } + u->urb->dev = subs->dev; + u->urb->pipe = subs->datapipe; + u->urb->transfer_flags = URB_ISO_ASAP; + u->urb->number_of_packets = u->packets; + u->urb->interval = 1; + u->urb->context = u; + u->urb->complete = snd_usb_complete_callback(snd_complete_urb); + } + + if (subs->syncpipe) { + /* allocate and initialize sync urbs */ + for (i = 0; i < SYNC_URBS; i++) { + snd_urb_ctx_t *u = &subs->syncurb[i]; + u->index = i; + u->subs = subs; + u->packets = nrpacks; + u->urb = usb_alloc_urb(u->packets, GFP_KERNEL); + if (! u->urb) { + release_substream_urbs(subs, 0); + return -ENOMEM; + } + u->urb->transfer_buffer = subs->syncbuf + i * nrpacks * 4; + u->urb->transfer_buffer_length = nrpacks * 4; + u->urb->dev = subs->dev; + u->urb->pipe = subs->syncpipe; + u->urb->transfer_flags = URB_ISO_ASAP; + u->urb->number_of_packets = u->packets; + if (snd_usb_get_speed(subs->dev) == USB_SPEED_HIGH) + u->urb->interval = 8; + else + u->urb->interval = 1; + u->urb->context = u; + u->urb->complete = snd_usb_complete_callback(snd_complete_sync_urb); + } + } + return 0; +} + + +/* + * find a matching audio format + */ +static struct audioformat *find_format(snd_usb_substream_t *subs, unsigned int format, + unsigned int rate, unsigned int channels) +{ + struct list_head *p; + struct audioformat *found = NULL; + int cur_attr = 0, attr; + + list_for_each(p, &subs->fmt_list) { + struct audioformat *fp; + fp = list_entry(p, struct audioformat, list); + if (fp->format != format || fp->channels != channels) + continue; + if (rate < fp->rate_min || rate > fp->rate_max) + continue; + if (! (fp->rates & SNDRV_PCM_RATE_CONTINUOUS)) { + unsigned int i; + for (i = 0; i < fp->nr_rates; i++) + if (fp->rate_table[i] == rate) + break; + if (i >= fp->nr_rates) + continue; + } + attr = fp->ep_attr & EP_ATTR_MASK; + if (! found) { + found = fp; + cur_attr = attr; + continue; + } + /* avoid async out and adaptive in if the other method + * supports the same format. + * this is a workaround for the case like + * M-audio audiophile USB. + */ + if (attr != cur_attr) { + if ((attr == EP_ATTR_ASYNC && + subs->direction == SNDRV_PCM_STREAM_PLAYBACK) || + (attr == EP_ATTR_ADAPTIVE && + subs->direction == SNDRV_PCM_STREAM_CAPTURE)) + continue; + if ((cur_attr == EP_ATTR_ASYNC && + subs->direction == SNDRV_PCM_STREAM_PLAYBACK) || + (cur_attr == EP_ATTR_ADAPTIVE && + subs->direction == SNDRV_PCM_STREAM_CAPTURE)) { + found = fp; + cur_attr = attr; + continue; + } + } + /* find the format with the largest max. packet size */ + if (fp->maxpacksize > found->maxpacksize) { + found = fp; + cur_attr = attr; + } + } + return found; +} + + +/* + * initialize the picth control and sample rate + */ +static int init_usb_pitch(struct usb_device *dev, int iface, + struct usb_host_interface *alts, + struct audioformat *fmt) +{ + unsigned int ep; + unsigned char data[1]; + int err; + + ep = get_endpoint(alts, 0)->bEndpointAddress; + /* if endpoint has pitch control, enable it */ + if (fmt->attributes & EP_CS_ATTR_PITCH_CONTROL) { + data[0] = 1; + if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR, + USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, + PITCH_CONTROL << 8, ep, data, 1, 1000)) < 0) { + snd_printk(KERN_ERR "%d:%d:%d: cannot set enable PITCH\n", + dev->devnum, iface, ep); + return err; + } + } + return 0; +} + +static int init_usb_sample_rate(struct usb_device *dev, int iface, + struct usb_host_interface *alts, + struct audioformat *fmt, int rate) +{ + unsigned int ep; + unsigned char data[3]; + int err; + + ep = get_endpoint(alts, 0)->bEndpointAddress; + /* if endpoint has sampling rate control, set it */ + if (fmt->attributes & EP_CS_ATTR_SAMPLE_RATE) { + int crate; + data[0] = rate; + data[1] = rate >> 8; + data[2] = rate >> 16; + if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR, + USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, + SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) { + snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep 0x%x\n", + dev->devnum, iface, fmt->altsetting, rate, ep); + return err; + } + if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), GET_CUR, + USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_IN, + SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) { + snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep 0x%x\n", + dev->devnum, iface, fmt->altsetting, ep); + return 0; /* some devices don't support reading */ + } + crate = data[0] | (data[1] << 8) | (data[2] << 16); + if (crate != rate) { + snd_printd(KERN_WARNING "current rate %d is different from the runtime rate %d\n", crate, rate); + // runtime->rate = crate; + } + } + return 0; +} + +/* + * find a matching format and set up the interface + */ +static int set_format(snd_usb_substream_t *subs, struct audioformat *fmt) +{ + struct usb_device *dev = subs->dev; + struct usb_host_interface *alts; + struct usb_interface_descriptor *altsd; + struct usb_interface *iface; + unsigned int ep, attr; + int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK; + int err; + + iface = usb_ifnum_to_if(dev, fmt->iface); + snd_assert(iface, return -EINVAL); + alts = &iface->altsetting[fmt->altset_idx]; + altsd = get_iface_desc(alts); + snd_assert(altsd->bAlternateSetting == fmt->altsetting, return -EINVAL); + + if (fmt == subs->cur_audiofmt) + return 0; + + /* close the old interface */ + if (subs->interface >= 0 && subs->interface != fmt->iface) { + usb_set_interface(subs->dev, subs->interface, 0); + subs->interface = -1; + subs->format = 0; + } + + /* set interface */ + if (subs->interface != fmt->iface || subs->format != fmt->altset_idx) { + if (usb_set_interface(dev, fmt->iface, fmt->altsetting) < 0) { + snd_printk(KERN_ERR "%d:%d:%d: usb_set_interface failed\n", + dev->devnum, fmt->iface, fmt->altsetting); + return -EIO; + } + snd_printdd(KERN_INFO "setting usb interface %d:%d\n", fmt->iface, fmt->altsetting); + subs->interface = fmt->iface; + subs->format = fmt->altset_idx; + } + + /* create a data pipe */ + ep = fmt->endpoint & USB_ENDPOINT_NUMBER_MASK; + if (is_playback) + subs->datapipe = usb_sndisocpipe(dev, ep); + else + subs->datapipe = usb_rcvisocpipe(dev, ep); + subs->syncpipe = subs->syncinterval = 0; + subs->maxpacksize = fmt->maxpacksize; + subs->fill_max = 0; + + /* we need a sync pipe in async OUT or adaptive IN mode */ + /* check the number of EP, since some devices have broken + * descriptors which fool us. if it has only one EP, + * assume it as adaptive-out or sync-in. + */ + attr = fmt->ep_attr & EP_ATTR_MASK; + if (((is_playback && attr == EP_ATTR_ASYNC) || + (! is_playback && attr == EP_ATTR_ADAPTIVE)) && + altsd->bNumEndpoints >= 2) { + /* check sync-pipe endpoint */ + /* ... and check descriptor size before accessing bSynchAddress + because there is a version of the SB Audigy 2 NX firmware lacking + the audio fields in the endpoint descriptors */ + if ((get_endpoint(alts, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != 0x01 || + (get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE && + get_endpoint(alts, 1)->bSynchAddress != 0)) { + snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n", + dev->devnum, fmt->iface, fmt->altsetting); + return -EINVAL; + } + ep = get_endpoint(alts, 1)->bEndpointAddress; + if (get_endpoint(alts, 0)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE && + (( is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress | USB_DIR_IN)) || + (!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)))) { + snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n", + dev->devnum, fmt->iface, fmt->altsetting); + return -EINVAL; + } + ep &= USB_ENDPOINT_NUMBER_MASK; + if (is_playback) + subs->syncpipe = usb_rcvisocpipe(dev, ep); + else + subs->syncpipe = usb_sndisocpipe(dev, ep); + subs->syncinterval = get_endpoint(alts, 1)->bRefresh; + } + + /* always fill max packet size */ + if (fmt->attributes & EP_CS_ATTR_FILL_MAX) + subs->fill_max = 1; + + if ((err = init_usb_pitch(dev, subs->interface, alts, fmt)) < 0) + return err; + + subs->cur_audiofmt = fmt; + +#if 0 + printk("setting done: format = %d, rate = %d, channels = %d\n", + fmt->format, fmt->rate, fmt->channels); + printk(" datapipe = 0x%0x, syncpipe = 0x%0x\n", + subs->datapipe, subs->syncpipe); +#endif + + return 0; +} + +/* + * hw_params callback + * + * allocate a buffer and set the given audio format. + * + * so far we use a physically linear buffer although packetize transfer + * doesn't need a continuous area. + * if sg buffer is supported on the later version of alsa, we'll follow + * that. + */ +static int snd_usb_hw_params(snd_pcm_substream_t *substream, + snd_pcm_hw_params_t *hw_params) +{ + snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data; + struct audioformat *fmt; + unsigned int channels, rate, format; + int ret, changed; + + ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); + if (ret < 0) + return ret; + + format = params_format(hw_params); + rate = params_rate(hw_params); + channels = params_channels(hw_params); + fmt = find_format(subs, format, rate, channels); + if (! fmt) { + snd_printd(KERN_DEBUG "cannot set format: format = %s, rate = %d, channels = %d\n", + snd_pcm_format_name(format), rate, channels); + return -EINVAL; + } + + changed = subs->cur_audiofmt != fmt || + subs->period_bytes != params_period_bytes(hw_params) || + subs->cur_rate != rate; + if ((ret = set_format(subs, fmt)) < 0) + return ret; + + if (subs->cur_rate != rate) { + struct usb_host_interface *alts; + struct usb_interface *iface; + iface = usb_ifnum_to_if(subs->dev, fmt->iface); + alts = &iface->altsetting[fmt->altset_idx]; + ret = init_usb_sample_rate(subs->dev, subs->interface, alts, fmt, rate); + if (ret < 0) + return ret; + subs->cur_rate = rate; + } + + if (changed) { + /* format changed */ + release_substream_urbs(subs, 0); + /* influenced: period_bytes, channels, rate, format, */ + ret = init_substream_urbs(subs, params_period_bytes(hw_params), + params_rate(hw_params), + snd_pcm_format_physical_width(params_format(hw_params)) * params_channels(hw_params)); + } + + return ret; +} + +/* + * hw_free callback + * + * reset the audio format and release the buffer + */ +static int snd_usb_hw_free(snd_pcm_substream_t *substream) +{ + snd_usb_substream_t *subs = (snd_usb_substream_t *)substream->runtime->private_data; + + subs->cur_audiofmt = NULL; + subs->cur_rate = 0; + subs->period_bytes = 0; + release_substream_urbs(subs, 0); + return snd_pcm_lib_free_pages(substream); +} + +/* + * prepare callback + * + * only a few subtle things... + */ +static int snd_usb_pcm_prepare(snd_pcm_substream_t *substream) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usb_substream_t *subs = (snd_usb_substream_t *)runtime->private_data; + + if (! subs->cur_audiofmt) { + snd_printk(KERN_ERR "usbaudio: no format is specified!\n"); + return -ENXIO; + } + + /* some unit conversions in runtime */ + subs->maxframesize = bytes_to_frames(runtime, subs->maxpacksize); + subs->curframesize = bytes_to_frames(runtime, subs->curpacksize); + + /* reset the pointer */ + subs->hwptr = 0; + subs->hwptr_done = 0; + subs->transfer_sched = 0; + subs->transfer_done = 0; + subs->phase = 0; + + /* clear urbs (to be sure) */ + deactivate_urbs(subs, 0, 1); + wait_clear_urbs(subs); + + return 0; +} + +static snd_pcm_hardware_t snd_usb_playback = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID), + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, +}; + +static snd_pcm_hardware_t snd_usb_capture = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID), + .buffer_bytes_max = (128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, +}; + +/* + * h/w constraints + */ + +#ifdef HW_CONST_DEBUG +#define hwc_debug(fmt, args...) printk(KERN_DEBUG fmt, ##args) +#else +#define hwc_debug(fmt, args...) /**/ +#endif + +static int hw_check_valid_format(snd_pcm_hw_params_t *params, struct audioformat *fp) +{ + snd_interval_t *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + snd_interval_t *ct = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + snd_mask_t *fmts = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + + /* check the format */ + if (! snd_mask_test(fmts, fp->format)) { + hwc_debug(" > check: no supported format %d\n", fp->format); + return 0; + } + /* check the channels */ + if (fp->channels < ct->min || fp->channels > ct->max) { + hwc_debug(" > check: no valid channels %d (%d/%d)\n", fp->channels, ct->min, ct->max); + return 0; + } + /* check the rate is within the range */ + if (fp->rate_min > it->max || (fp->rate_min == it->max && it->openmax)) { + hwc_debug(" > check: rate_min %d > max %d\n", fp->rate_min, it->max); + return 0; + } + if (fp->rate_max < it->min || (fp->rate_max == it->min && it->openmin)) { + hwc_debug(" > check: rate_max %d < min %d\n", fp->rate_max, it->min); + return 0; + } + return 1; +} + +static int hw_rule_rate(snd_pcm_hw_params_t *params, + snd_pcm_hw_rule_t *rule) +{ + snd_usb_substream_t *subs = rule->private; + struct list_head *p; + snd_interval_t *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + unsigned int rmin, rmax; + int changed; + + hwc_debug("hw_rule_rate: (%d,%d)\n", it->min, it->max); + changed = 0; + rmin = rmax = 0; + list_for_each(p, &subs->fmt_list) { + struct audioformat *fp; + fp = list_entry(p, struct audioformat, list); + if (! hw_check_valid_format(params, fp)) + continue; + if (changed++) { + if (rmin > fp->rate_min) + rmin = fp->rate_min; + if (rmax < fp->rate_max) + rmax = fp->rate_max; + } else { + rmin = fp->rate_min; + rmax = fp->rate_max; + } + } + + if (! changed) { + hwc_debug(" --> get empty\n"); + it->empty = 1; + return -EINVAL; + } + + changed = 0; + if (it->min < rmin) { + it->min = rmin; + it->openmin = 0; + changed = 1; + } + if (it->max > rmax) { + it->max = rmax; + it->openmax = 0; + changed = 1; + } + if (snd_interval_checkempty(it)) { + it->empty = 1; + return -EINVAL; + } + hwc_debug(" --> (%d, %d) (changed = %d)\n", it->min, it->max, changed); + return changed; +} + + +static int hw_rule_channels(snd_pcm_hw_params_t *params, + snd_pcm_hw_rule_t *rule) +{ + snd_usb_substream_t *subs = rule->private; + struct list_head *p; + snd_interval_t *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + unsigned int rmin, rmax; + int changed; + + hwc_debug("hw_rule_channels: (%d,%d)\n", it->min, it->max); + changed = 0; + rmin = rmax = 0; + list_for_each(p, &subs->fmt_list) { + struct audioformat *fp; + fp = list_entry(p, struct audioformat, list); + if (! hw_check_valid_format(params, fp)) + continue; + if (changed++) { + if (rmin > fp->channels) + rmin = fp->channels; + if (rmax < fp->channels) + rmax = fp->channels; + } else { + rmin = fp->channels; + rmax = fp->channels; + } + } + + if (! changed) { + hwc_debug(" --> get empty\n"); + it->empty = 1; + return -EINVAL; + } + + changed = 0; + if (it->min < rmin) { + it->min = rmin; + it->openmin = 0; + changed = 1; + } + if (it->max > rmax) { + it->max = rmax; + it->openmax = 0; + changed = 1; + } + if (snd_interval_checkempty(it)) { + it->empty = 1; + return -EINVAL; + } + hwc_debug(" --> (%d, %d) (changed = %d)\n", it->min, it->max, changed); + return changed; +} + +static int hw_rule_format(snd_pcm_hw_params_t *params, + snd_pcm_hw_rule_t *rule) +{ + snd_usb_substream_t *subs = rule->private; + struct list_head *p; + snd_mask_t *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + u64 fbits; + u32 oldbits[2]; + int changed; + + hwc_debug("hw_rule_format: %x:%x\n", fmt->bits[0], fmt->bits[1]); + fbits = 0; + list_for_each(p, &subs->fmt_list) { + struct audioformat *fp; + fp = list_entry(p, struct audioformat, list); + if (! hw_check_valid_format(params, fp)) + continue; + fbits |= (1ULL << fp->format); + } + + oldbits[0] = fmt->bits[0]; + oldbits[1] = fmt->bits[1]; + fmt->bits[0] &= (u32)fbits; + fmt->bits[1] &= (u32)(fbits >> 32); + if (! fmt->bits[0] && ! fmt->bits[1]) { + hwc_debug(" --> get empty\n"); + return -EINVAL; + } + changed = (oldbits[0] != fmt->bits[0] || oldbits[1] != fmt->bits[1]); + hwc_debug(" --> %x:%x (changed = %d)\n", fmt->bits[0], fmt->bits[1], changed); + return changed; +} + +#define MAX_MASK 64 + +/* + * check whether the registered audio formats need special hw-constraints + */ +static int check_hw_params_convention(snd_usb_substream_t *subs) +{ + int i; + u32 *channels; + u32 *rates; + u32 cmaster, rmaster; + u32 rate_min = 0, rate_max = 0; + struct list_head *p; + int err = 1; + + channels = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL); + rates = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL); + + list_for_each(p, &subs->fmt_list) { + struct audioformat *f; + f = list_entry(p, struct audioformat, list); + /* unconventional channels? */ + if (f->channels > 32) + goto __out; + /* continuous rate min/max matches? */ + if (f->rates & SNDRV_PCM_RATE_CONTINUOUS) { + if (rate_min && f->rate_min != rate_min) + goto __out; + if (rate_max && f->rate_max != rate_max) + goto __out; + rate_min = f->rate_min; + rate_max = f->rate_max; + } + /* combination of continuous rates and fixed rates? */ + if (rates[f->format] & SNDRV_PCM_RATE_CONTINUOUS) { + if (f->rates != rates[f->format]) + goto __out; + } + if (f->rates & SNDRV_PCM_RATE_CONTINUOUS) { + if (rates[f->format] && rates[f->format] != f->rates) + goto __out; + } + channels[f->format] |= (1 << f->channels); + rates[f->format] |= f->rates; + } + /* check whether channels and rates match for all formats */ + cmaster = rmaster = 0; + for (i = 0; i < MAX_MASK; i++) { + if (cmaster != channels[i] && cmaster && channels[i]) + goto __out; + if (rmaster != rates[i] && rmaster && rates[i]) + goto __out; + if (channels[i]) + cmaster = channels[i]; + if (rates[i]) + rmaster = rates[i]; + } + /* check whether channels match for all distinct rates */ + memset(channels, 0, MAX_MASK * sizeof(u32)); + list_for_each(p, &subs->fmt_list) { + struct audioformat *f; + f = list_entry(p, struct audioformat, list); + if (f->rates & SNDRV_PCM_RATE_CONTINUOUS) + continue; + for (i = 0; i < 32; i++) { + if (f->rates & (1 << i)) + channels[i] |= (1 << f->channels); + } + } + cmaster = 0; + for (i = 0; i < 32; i++) { + if (cmaster != channels[i] && cmaster && channels[i]) + goto __out; + if (channels[i]) + cmaster = channels[i]; + } + err = 0; + + __out: + kfree(channels); + kfree(rates); + return err; +} + + +/* + * set up the runtime hardware information. + */ + +static int setup_hw_info(snd_pcm_runtime_t *runtime, snd_usb_substream_t *subs) +{ + struct list_head *p; + int err; + + runtime->hw.formats = subs->formats; + + runtime->hw.rate_min = 0x7fffffff; + runtime->hw.rate_max = 0; + runtime->hw.channels_min = 256; + runtime->hw.channels_max = 0; + runtime->hw.rates = 0; + /* check min/max rates and channels */ + list_for_each(p, &subs->fmt_list) { + struct audioformat *fp; + fp = list_entry(p, struct audioformat, list); + runtime->hw.rates |= fp->rates; + if (runtime->hw.rate_min > fp->rate_min) + runtime->hw.rate_min = fp->rate_min; + if (runtime->hw.rate_max < fp->rate_max) + runtime->hw.rate_max = fp->rate_max; + if (runtime->hw.channels_min > fp->channels) + runtime->hw.channels_min = fp->channels; + if (runtime->hw.channels_max < fp->channels) + runtime->hw.channels_max = fp->channels; + if (fp->fmt_type == USB_FORMAT_TYPE_II && fp->frame_size > 0) { + /* FIXME: there might be more than one audio formats... */ + runtime->hw.period_bytes_min = runtime->hw.period_bytes_max = + fp->frame_size; + } + } + + /* set the period time minimum 1ms */ + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, + 1000 * MIN_PACKS_URB, + /*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX); + + if (check_hw_params_convention(subs)) { + hwc_debug("setting extra hw constraints...\n"); + if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, + hw_rule_rate, subs, + SNDRV_PCM_HW_PARAM_FORMAT, + SNDRV_PCM_HW_PARAM_CHANNELS, + -1)) < 0) + return err; + if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + hw_rule_channels, subs, + SNDRV_PCM_HW_PARAM_FORMAT, + SNDRV_PCM_HW_PARAM_RATE, + -1)) < 0) + return err; + if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT, + hw_rule_format, subs, + SNDRV_PCM_HW_PARAM_RATE, + SNDRV_PCM_HW_PARAM_CHANNELS, + -1)) < 0) + return err; + } + return 0; +} + +static int snd_usb_pcm_open(snd_pcm_substream_t *substream, int direction, + snd_pcm_hardware_t *hw) +{ + snd_usb_stream_t *as = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usb_substream_t *subs = &as->substream[direction]; + + subs->interface = -1; + subs->format = 0; + runtime->hw = *hw; + runtime->private_data = subs; + subs->pcm_substream = substream; + return setup_hw_info(runtime, subs); +} + +static int snd_usb_pcm_close(snd_pcm_substream_t *substream, int direction) +{ + snd_usb_stream_t *as = snd_pcm_substream_chip(substream); + snd_usb_substream_t *subs = &as->substream[direction]; + + if (subs->interface >= 0) { + usb_set_interface(subs->dev, subs->interface, 0); + subs->interface = -1; + } + subs->pcm_substream = NULL; + return 0; +} + +static int snd_usb_playback_open(snd_pcm_substream_t *substream) +{ + return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_PLAYBACK, &snd_usb_playback); +} + +static int snd_usb_playback_close(snd_pcm_substream_t *substream) +{ + return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_PLAYBACK); +} + +static int snd_usb_capture_open(snd_pcm_substream_t *substream) +{ + return snd_usb_pcm_open(substream, SNDRV_PCM_STREAM_CAPTURE, &snd_usb_capture); +} + +static int snd_usb_capture_close(snd_pcm_substream_t *substream) +{ + return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_CAPTURE); +} + +static snd_pcm_ops_t snd_usb_playback_ops = { + .open = snd_usb_playback_open, + .close = snd_usb_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_usb_hw_params, + .hw_free = snd_usb_hw_free, + .prepare = snd_usb_pcm_prepare, + .trigger = snd_usb_pcm_trigger, + .pointer = snd_usb_pcm_pointer, +}; + +static snd_pcm_ops_t snd_usb_capture_ops = { + .open = snd_usb_capture_open, + .close = snd_usb_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_usb_hw_params, + .hw_free = snd_usb_hw_free, + .prepare = snd_usb_pcm_prepare, + .trigger = snd_usb_pcm_trigger, + .pointer = snd_usb_pcm_pointer, +}; + + + +/* + * helper functions + */ + +/* + * combine bytes and get an integer value + */ +unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size) +{ + switch (size) { + case 1: return *bytes; + case 2: return combine_word(bytes); + case 3: return combine_triple(bytes); + case 4: return combine_quad(bytes); + default: return 0; + } +} + +/* + * parse descriptor buffer and return the pointer starting the given + * descriptor type. + */ +void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype) +{ + u8 *p, *end, *next; + + p = descstart; + end = p + desclen; + for (; p < end;) { + if (p[0] < 2) + return NULL; + next = p + p[0]; + if (next > end) + return NULL; + if (p[1] == dtype && (!after || (void *)p > after)) { + return p; + } + p = next; + } + return NULL; +} + +/* + * find a class-specified interface descriptor with the given subtype. + */ +void *snd_usb_find_csint_desc(void *buffer, int buflen, void *after, u8 dsubtype) +{ + unsigned char *p = after; + + while ((p = snd_usb_find_desc(buffer, buflen, p, + USB_DT_CS_INTERFACE)) != NULL) { + if (p[0] >= 3 && p[2] == dsubtype) + return p; + } + return NULL; +} + +/* + * Wrapper for usb_control_msg(). + * Allocates a temp buffer to prevent dmaing from/to the stack. + */ +int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request, + __u8 requesttype, __u16 value, __u16 index, void *data, + __u16 size, int timeout) +{ + int err; + void *buf = NULL; + + if (size > 0) { + buf = kmalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + memcpy(buf, data, size); + } + err = usb_control_msg(dev, pipe, request, requesttype, + value, index, buf, size, timeout); + if (size > 0) { + memcpy(data, buf, size); + kfree(buf); + } + return err; +} + + +/* + * entry point for linux usb interface + */ + +static int usb_audio_probe(struct usb_interface *intf, + const struct usb_device_id *id); +static void usb_audio_disconnect(struct usb_interface *intf); + +static struct usb_device_id usb_audio_ids [] = { +#include "usbquirks.h" + { .match_flags = (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS), + .bInterfaceClass = USB_CLASS_AUDIO, + .bInterfaceSubClass = USB_SUBCLASS_AUDIO_CONTROL }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, usb_audio_ids); + +static struct usb_driver usb_audio_driver = { + .owner = THIS_MODULE, + .name = "snd-usb-audio", + .probe = usb_audio_probe, + .disconnect = usb_audio_disconnect, + .id_table = usb_audio_ids, +}; + + +/* + * proc interface for list the supported pcm formats + */ +static void proc_dump_substream_formats(snd_usb_substream_t *subs, snd_info_buffer_t *buffer) +{ + struct list_head *p; + static char *sync_types[4] = { + "NONE", "ASYNC", "ADAPTIVE", "SYNC" + }; + + list_for_each(p, &subs->fmt_list) { + struct audioformat *fp; + fp = list_entry(p, struct audioformat, list); + snd_iprintf(buffer, " Interface %d\n", fp->iface); + snd_iprintf(buffer, " Altset %d\n", fp->altsetting); + snd_iprintf(buffer, " Format: %s\n", snd_pcm_format_name(fp->format)); + snd_iprintf(buffer, " Channels: %d\n", fp->channels); + snd_iprintf(buffer, " Endpoint: %d %s (%s)\n", + fp->endpoint & USB_ENDPOINT_NUMBER_MASK, + fp->endpoint & USB_DIR_IN ? "IN" : "OUT", + sync_types[(fp->ep_attr & EP_ATTR_MASK) >> 2]); + if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS) { + snd_iprintf(buffer, " Rates: %d - %d (continuous)\n", + fp->rate_min, fp->rate_max); + } else { + unsigned int i; + snd_iprintf(buffer, " Rates: "); + for (i = 0; i < fp->nr_rates; i++) { + if (i > 0) + snd_iprintf(buffer, ", "); + snd_iprintf(buffer, "%d", fp->rate_table[i]); + } + snd_iprintf(buffer, "\n"); + } + // snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize); + // snd_iprintf(buffer, " EP Attribute = 0x%x\n", fp->attributes); + } +} + +static void proc_dump_substream_status(snd_usb_substream_t *subs, snd_info_buffer_t *buffer) +{ + if (subs->running) { + unsigned int i; + snd_iprintf(buffer, " Status: Running\n"); + snd_iprintf(buffer, " Interface = %d\n", subs->interface); + snd_iprintf(buffer, " Altset = %d\n", subs->format); + snd_iprintf(buffer, " URBs = %d [ ", subs->nurbs); + for (i = 0; i < subs->nurbs; i++) + snd_iprintf(buffer, "%d ", subs->dataurb[i].packets); + snd_iprintf(buffer, "]\n"); + snd_iprintf(buffer, " Packet Size = %d\n", subs->curpacksize); + snd_iprintf(buffer, " Momentary freq = %u Hz\n", + snd_usb_get_speed(subs->dev) == USB_SPEED_FULL + ? get_full_speed_hz(subs->freqm) + : get_high_speed_hz(subs->freqm)); + } else { + snd_iprintf(buffer, " Status: Stop\n"); + } +} + +static void proc_pcm_format_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) +{ + snd_usb_stream_t *stream = entry->private_data; + + snd_iprintf(buffer, "%s : %s\n", stream->chip->card->longname, stream->pcm->name); + + if (stream->substream[SNDRV_PCM_STREAM_PLAYBACK].num_formats) { + snd_iprintf(buffer, "\nPlayback:\n"); + proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer); + proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_PLAYBACK], buffer); + } + if (stream->substream[SNDRV_PCM_STREAM_CAPTURE].num_formats) { + snd_iprintf(buffer, "\nCapture:\n"); + proc_dump_substream_status(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer); + proc_dump_substream_formats(&stream->substream[SNDRV_PCM_STREAM_CAPTURE], buffer); + } +} + +static void proc_pcm_format_add(snd_usb_stream_t *stream) +{ + snd_info_entry_t *entry; + char name[32]; + snd_card_t *card = stream->chip->card; + + sprintf(name, "stream%d", stream->pcm_index); + if (! snd_card_proc_new(card, name, &entry)) + snd_info_set_text_ops(entry, stream, 1024, proc_pcm_format_read); +} + + +/* + * initialize the substream instance. + */ + +static void init_substream(snd_usb_stream_t *as, int stream, struct audioformat *fp) +{ + snd_usb_substream_t *subs = &as->substream[stream]; + + INIT_LIST_HEAD(&subs->fmt_list); + spin_lock_init(&subs->lock); + + subs->stream = as; + subs->direction = stream; + subs->dev = as->chip->dev; + if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) + subs->ops = audio_urb_ops[stream]; + else + subs->ops = audio_urb_ops_high_speed[stream]; + snd_pcm_lib_preallocate_pages(as->pcm->streams[stream].substream, + SNDRV_DMA_TYPE_CONTINUOUS, + snd_dma_continuous_data(GFP_KERNEL), + 64 * 1024, 128 * 1024); + snd_pcm_set_ops(as->pcm, stream, + stream == SNDRV_PCM_STREAM_PLAYBACK ? + &snd_usb_playback_ops : &snd_usb_capture_ops); + + list_add_tail(&fp->list, &subs->fmt_list); + subs->formats |= 1ULL << fp->format; + subs->endpoint = fp->endpoint; + subs->num_formats++; + subs->fmt_type = fp->fmt_type; +} + + +/* + * free a substream + */ +static void free_substream(snd_usb_substream_t *subs) +{ + struct list_head *p, *n; + + if (! subs->num_formats) + return; /* not initialized */ + list_for_each_safe(p, n, &subs->fmt_list) { + struct audioformat *fp = list_entry(p, struct audioformat, list); + kfree(fp->rate_table); + kfree(fp); + } +} + + +/* + * free a usb stream instance + */ +static void snd_usb_audio_stream_free(snd_usb_stream_t *stream) +{ + free_substream(&stream->substream[0]); + free_substream(&stream->substream[1]); + list_del(&stream->list); + kfree(stream); +} + +static void snd_usb_audio_pcm_free(snd_pcm_t *pcm) +{ + snd_usb_stream_t *stream = pcm->private_data; + if (stream) { + stream->pcm = NULL; + snd_pcm_lib_preallocate_free_for_all(pcm); + snd_usb_audio_stream_free(stream); + } +} + + +/* + * add this endpoint to the chip instance. + * if a stream with the same endpoint already exists, append to it. + * if not, create a new pcm stream. + */ +static int add_audio_endpoint(snd_usb_audio_t *chip, int stream, struct audioformat *fp) +{ + struct list_head *p; + snd_usb_stream_t *as; + snd_usb_substream_t *subs; + snd_pcm_t *pcm; + int err; + + list_for_each(p, &chip->pcm_list) { + as = list_entry(p, snd_usb_stream_t, list); + if (as->fmt_type != fp->fmt_type) + continue; + subs = &as->substream[stream]; + if (! subs->endpoint) + continue; + if (subs->endpoint == fp->endpoint) { + list_add_tail(&fp->list, &subs->fmt_list); + subs->num_formats++; + subs->formats |= 1ULL << fp->format; + return 0; + } + } + /* look for an empty stream */ + list_for_each(p, &chip->pcm_list) { + as = list_entry(p, snd_usb_stream_t, list); + if (as->fmt_type != fp->fmt_type) + continue; + subs = &as->substream[stream]; + if (subs->endpoint) + continue; + err = snd_pcm_new_stream(as->pcm, stream, 1); + if (err < 0) + return err; + init_substream(as, stream, fp); + return 0; + } + + /* create a new pcm */ + as = kmalloc(sizeof(*as), GFP_KERNEL); + if (! as) + return -ENOMEM; + memset(as, 0, sizeof(*as)); + as->pcm_index = chip->pcm_devs; + as->chip = chip; + as->fmt_type = fp->fmt_type; + err = snd_pcm_new(chip->card, "USB Audio", chip->pcm_devs, + stream == SNDRV_PCM_STREAM_PLAYBACK ? 1 : 0, + stream == SNDRV_PCM_STREAM_PLAYBACK ? 0 : 1, + &pcm); + if (err < 0) { + kfree(as); + return err; + } + as->pcm = pcm; + pcm->private_data = as; + pcm->private_free = snd_usb_audio_pcm_free; + pcm->info_flags = 0; + if (chip->pcm_devs > 0) + sprintf(pcm->name, "USB Audio #%d", chip->pcm_devs); + else + strcpy(pcm->name, "USB Audio"); + + init_substream(as, stream, fp); + + list_add(&as->list, &chip->pcm_list); + chip->pcm_devs++; + + proc_pcm_format_add(as); + + return 0; +} + + +/* + * check if the device uses big-endian samples + */ +static int is_big_endian_format(struct usb_device *dev, struct audioformat *fp) +{ + /* M-Audio */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x0763) { + /* Quattro: captured data only */ + if (le16_to_cpu(dev->descriptor.idProduct) == 0x2001 && + fp->endpoint & USB_DIR_IN) + return 1; + /* Audiophile USB */ + if (le16_to_cpu(dev->descriptor.idProduct) == 0x2003) + return 1; + } + return 0; +} + +/* + * parse the audio format type I descriptor + * and returns the corresponding pcm format + * + * @dev: usb device + * @fp: audioformat record + * @format: the format tag (wFormatTag) + * @fmt: the format type descriptor + */ +static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat *fp, + int format, unsigned char *fmt) +{ + int pcm_format; + int sample_width, sample_bytes; + + /* FIXME: correct endianess and sign? */ + pcm_format = -1; + sample_width = fmt[6]; + sample_bytes = fmt[5]; + switch (format) { + case 0: /* some devices don't define this correctly... */ + snd_printdd(KERN_INFO "%d:%u:%d : format type 0 is detected, processed as PCM\n", + dev->devnum, fp->iface, fp->altsetting); + /* fall-through */ + case USB_AUDIO_FORMAT_PCM: + if (sample_width > sample_bytes * 8) { + snd_printk(KERN_INFO "%d:%u:%d : sample bitwidth %d in over sample bytes %d\n", + dev->devnum, fp->iface, fp->altsetting, + sample_width, sample_bytes); + } + /* check the format byte size */ + switch (fmt[5]) { + case 1: + pcm_format = SNDRV_PCM_FORMAT_S8; + break; + case 2: + if (is_big_endian_format(dev, fp)) + pcm_format = SNDRV_PCM_FORMAT_S16_BE; /* grrr, big endian!! */ + else + pcm_format = SNDRV_PCM_FORMAT_S16_LE; + break; + case 3: + if (is_big_endian_format(dev, fp)) + pcm_format = SNDRV_PCM_FORMAT_S24_3BE; /* grrr, big endian!! */ + else + pcm_format = SNDRV_PCM_FORMAT_S24_3LE; + break; + case 4: + pcm_format = SNDRV_PCM_FORMAT_S32_LE; + break; + default: + snd_printk(KERN_INFO "%d:%u:%d : unsupported sample bitwidth %d in %d bytes\n", + dev->devnum, fp->iface, fp->altsetting, sample_width, sample_bytes); + break; + } + break; + case USB_AUDIO_FORMAT_PCM8: + /* Dallas DS4201 workaround */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x04fa && + le16_to_cpu(dev->descriptor.idProduct) == 0x4201) + pcm_format = SNDRV_PCM_FORMAT_S8; + else + pcm_format = SNDRV_PCM_FORMAT_U8; + break; + case USB_AUDIO_FORMAT_IEEE_FLOAT: + pcm_format = SNDRV_PCM_FORMAT_FLOAT_LE; + break; + case USB_AUDIO_FORMAT_ALAW: + pcm_format = SNDRV_PCM_FORMAT_A_LAW; + break; + case USB_AUDIO_FORMAT_MU_LAW: + pcm_format = SNDRV_PCM_FORMAT_MU_LAW; + break; + default: + snd_printk(KERN_INFO "%d:%u:%d : unsupported format type %d\n", + dev->devnum, fp->iface, fp->altsetting, format); + break; + } + return pcm_format; +} + + +/* + * parse the format descriptor and stores the possible sample rates + * on the audioformat table. + * + * @dev: usb device + * @fp: audioformat record + * @fmt: the format descriptor + * @offset: the start offset of descriptor pointing the rate type + * (7 for type I and II, 8 for type II) + */ +static int parse_audio_format_rates(struct usb_device *dev, struct audioformat *fp, + unsigned char *fmt, int offset) +{ + int nr_rates = fmt[offset]; + if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) { + snd_printk(KERN_ERR "%d:%u:%d : invalid FORMAT_TYPE desc\n", + dev->devnum, fp->iface, fp->altsetting); + return -1; + } + + if (nr_rates) { + /* + * build the rate table and bitmap flags + */ + int r, idx, c; + /* this table corresponds to the SNDRV_PCM_RATE_XXX bit */ + static unsigned int conv_rates[] = { + 5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, + 64000, 88200, 96000, 176400, 192000 + }; + fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL); + if (fp->rate_table == NULL) { + snd_printk(KERN_ERR "cannot malloc\n"); + return -1; + } + + fp->nr_rates = nr_rates; + fp->rate_min = fp->rate_max = combine_triple(&fmt[8]); + for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) { + unsigned int rate = fp->rate_table[r] = combine_triple(&fmt[idx]); + if (rate < fp->rate_min) + fp->rate_min = rate; + else if (rate > fp->rate_max) + fp->rate_max = rate; + for (c = 0; c < (int)ARRAY_SIZE(conv_rates); c++) { + if (rate == conv_rates[c]) { + fp->rates |= (1 << c); + break; + } + } + } + } else { + /* continuous rates */ + fp->rates = SNDRV_PCM_RATE_CONTINUOUS; + fp->rate_min = combine_triple(&fmt[offset + 1]); + fp->rate_max = combine_triple(&fmt[offset + 4]); + } + return 0; +} + +/* + * parse the format type I and III descriptors + */ +static int parse_audio_format_i(struct usb_device *dev, struct audioformat *fp, + int format, unsigned char *fmt) +{ + int pcm_format; + + if (fmt[3] == USB_FORMAT_TYPE_III) { + /* FIXME: the format type is really IECxxx + * but we give normal PCM format to get the existing + * apps working... + */ + pcm_format = SNDRV_PCM_FORMAT_S16_LE; + } else { + pcm_format = parse_audio_format_i_type(dev, fp, format, fmt); + if (pcm_format < 0) + return -1; + } + fp->format = pcm_format; + fp->channels = fmt[4]; + if (fp->channels < 1) { + snd_printk(KERN_ERR "%d:%u:%d : invalid channels %d\n", + dev->devnum, fp->iface, fp->altsetting, fp->channels); + return -1; + } + return parse_audio_format_rates(dev, fp, fmt, 7); +} + +/* + * prase the format type II descriptor + */ +static int parse_audio_format_ii(struct usb_device *dev, struct audioformat *fp, + int format, unsigned char *fmt) +{ + int brate, framesize; + switch (format) { + case USB_AUDIO_FORMAT_AC3: + /* FIXME: there is no AC3 format defined yet */ + // fp->format = SNDRV_PCM_FORMAT_AC3; + fp->format = SNDRV_PCM_FORMAT_U8; /* temporarily hack to receive byte streams */ + break; + case USB_AUDIO_FORMAT_MPEG: + fp->format = SNDRV_PCM_FORMAT_MPEG; + break; + default: + snd_printd(KERN_INFO "%d:%u:%d : unknown format tag 0x%x is detected. processed as MPEG.\n", + dev->devnum, fp->iface, fp->altsetting, format); + fp->format = SNDRV_PCM_FORMAT_MPEG; + break; + } + fp->channels = 1; + brate = combine_word(&fmt[4]); /* fmt[4,5] : wMaxBitRate (in kbps) */ + framesize = combine_word(&fmt[6]); /* fmt[6,7]: wSamplesPerFrame */ + snd_printd(KERN_INFO "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize); + fp->frame_size = framesize; + return parse_audio_format_rates(dev, fp, fmt, 8); /* fmt[8..] sample rates */ +} + +static int parse_audio_format(struct usb_device *dev, struct audioformat *fp, + int format, unsigned char *fmt, int stream) +{ + int err; + + switch (fmt[3]) { + case USB_FORMAT_TYPE_I: + case USB_FORMAT_TYPE_III: + err = parse_audio_format_i(dev, fp, format, fmt); + break; + case USB_FORMAT_TYPE_II: + err = parse_audio_format_ii(dev, fp, format, fmt); + break; + default: + snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n", + dev->devnum, fp->iface, fp->altsetting, fmt[3]); + return -1; + } + fp->fmt_type = fmt[3]; + if (err < 0) + return err; +#if 1 + /* FIXME: temporary hack for extigy */ + /* extigy apparently supports sample rates other than 48k + * but not in ordinary way. so we enable only 48k atm. + */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x041e && + le16_to_cpu(dev->descriptor.idProduct) == 0x3000) { + if (fmt[3] == USB_FORMAT_TYPE_I && + stream == SNDRV_PCM_STREAM_PLAYBACK && + fp->rates != SNDRV_PCM_RATE_48000) + return -1; /* use 48k only */ + } +#endif + return 0; +} + +static int parse_audio_endpoints(snd_usb_audio_t *chip, int iface_no) +{ + struct usb_device *dev; + struct usb_interface *iface; + struct usb_host_interface *alts; + struct usb_interface_descriptor *altsd; + int i, altno, err, stream; + int format; + struct audioformat *fp; + unsigned char *fmt, *csep; + + dev = chip->dev; + + /* parse the interface's altsettings */ + iface = usb_ifnum_to_if(dev, iface_no); + for (i = 0; i < iface->num_altsetting; i++) { + alts = &iface->altsetting[i]; + altsd = get_iface_desc(alts); + /* skip invalid one */ + if ((altsd->bInterfaceClass != USB_CLASS_AUDIO && + altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || + (altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIO_STREAMING && + altsd->bInterfaceSubClass != USB_SUBCLASS_VENDOR_SPEC) || + altsd->bNumEndpoints < 1 || + le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) == 0) + continue; + /* must be isochronous */ + if ((get_endpoint(alts, 0)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != + USB_ENDPOINT_XFER_ISOC) + continue; + /* check direction */ + stream = (get_endpoint(alts, 0)->bEndpointAddress & USB_DIR_IN) ? + SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; + altno = altsd->bAlternateSetting; + + /* get audio formats */ + fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, AS_GENERAL); + if (!fmt) { + snd_printk(KERN_ERR "%d:%u:%d : AS_GENERAL descriptor not found\n", + dev->devnum, iface_no, altno); + continue; + } + + if (fmt[0] < 7) { + snd_printk(KERN_ERR "%d:%u:%d : invalid AS_GENERAL desc\n", + dev->devnum, iface_no, altno); + continue; + } + + format = (fmt[6] << 8) | fmt[5]; /* remember the format value */ + + /* get format type */ + fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, FORMAT_TYPE); + if (!fmt) { + snd_printk(KERN_ERR "%d:%u:%d : no FORMAT_TYPE desc\n", + dev->devnum, iface_no, altno); + continue; + } + if (fmt[0] < 8) { + snd_printk(KERN_ERR "%d:%u:%d : invalid FORMAT_TYPE desc\n", + dev->devnum, iface_no, altno); + continue; + } + + csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT); + /* Creamware Noah has this descriptor after the 2nd endpoint */ + if (!csep && altsd->bNumEndpoints >= 2) + csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT); + if (!csep || csep[0] < 7 || csep[2] != EP_GENERAL) { + snd_printk(KERN_ERR "%d:%u:%d : no or invalid class specific endpoint descriptor\n", + dev->devnum, iface_no, altno); + continue; + } + + fp = kmalloc(sizeof(*fp), GFP_KERNEL); + if (! fp) { + snd_printk(KERN_ERR "cannot malloc\n"); + return -ENOMEM; + } + + memset(fp, 0, sizeof(*fp)); + fp->iface = iface_no; + fp->altsetting = altno; + fp->altset_idx = i; + fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; + fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; + /* FIXME: decode wMaxPacketSize of high bandwith endpoints */ + fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); + fp->attributes = csep[3]; + + /* some quirks for attributes here */ + + /* workaround for AudioTrak Optoplay */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x0a92 && + le16_to_cpu(dev->descriptor.idProduct) == 0x0053) { + /* Optoplay sets the sample rate attribute although + * it seems not supporting it in fact. + */ + fp->attributes &= ~EP_CS_ATTR_SAMPLE_RATE; + } + + /* workaround for M-Audio Audiophile USB */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x0763 && + le16_to_cpu(dev->descriptor.idProduct) == 0x2003) { + /* doesn't set the sample rate attribute, but supports it */ + fp->attributes |= EP_CS_ATTR_SAMPLE_RATE; + } + + /* + * plantronics headset and Griffin iMic have set adaptive-in + * although it's really not... + */ + if ((le16_to_cpu(dev->descriptor.idVendor) == 0x047f && + le16_to_cpu(dev->descriptor.idProduct) == 0x0ca1) || + /* Griffin iMic (note that there is an older model 77d:223) */ + (le16_to_cpu(dev->descriptor.idVendor) == 0x077d && + le16_to_cpu(dev->descriptor.idProduct) == 0x07af)) { + fp->ep_attr &= ~EP_ATTR_MASK; + if (stream == SNDRV_PCM_STREAM_PLAYBACK) + fp->ep_attr |= EP_ATTR_ADAPTIVE; + else + fp->ep_attr |= EP_ATTR_SYNC; + } + + /* ok, let's parse further... */ + if (parse_audio_format(dev, fp, format, fmt, stream) < 0) { + kfree(fp->rate_table); + kfree(fp); + continue; + } + + snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, i, fp->endpoint); + err = add_audio_endpoint(chip, stream, fp); + if (err < 0) { + kfree(fp->rate_table); + kfree(fp); + return err; + } + /* try to set the interface... */ + usb_set_interface(chip->dev, iface_no, altno); + init_usb_pitch(chip->dev, iface_no, alts, fp); + init_usb_sample_rate(chip->dev, iface_no, alts, fp, fp->rate_max); + } + return 0; +} + + +/* + * disconnect streams + * called from snd_usb_audio_disconnect() + */ +static void snd_usb_stream_disconnect(struct list_head *head, struct usb_driver *driver) +{ + int idx; + snd_usb_stream_t *as; + snd_usb_substream_t *subs; + + as = list_entry(head, snd_usb_stream_t, list); + for (idx = 0; idx < 2; idx++) { + subs = &as->substream[idx]; + if (!subs->num_formats) + return; + release_substream_urbs(subs, 1); + subs->interface = -1; + } +} + +/* + * parse audio control descriptor and create pcm/midi streams + */ +static int snd_usb_create_streams(snd_usb_audio_t *chip, int ctrlif) +{ + struct usb_device *dev = chip->dev; + struct usb_host_interface *host_iface; + struct usb_interface *iface; + unsigned char *p1; + int i, j; + + /* find audiocontrol interface */ + host_iface = &usb_ifnum_to_if(dev, ctrlif)->altsetting[0]; + if (!(p1 = snd_usb_find_csint_desc(host_iface->extra, host_iface->extralen, NULL, HEADER))) { + snd_printk(KERN_ERR "cannot find HEADER\n"); + return -EINVAL; + } + if (! p1[7] || p1[0] < 8 + p1[7]) { + snd_printk(KERN_ERR "invalid HEADER\n"); + return -EINVAL; + } + + /* + * parse all USB audio streaming interfaces + */ + for (i = 0; i < p1[7]; i++) { + struct usb_host_interface *alts; + struct usb_interface_descriptor *altsd; + j = p1[8 + i]; + iface = usb_ifnum_to_if(dev, j); + if (!iface) { + snd_printk(KERN_ERR "%d:%u:%d : does not exist\n", + dev->devnum, ctrlif, j); + continue; + } + if (usb_interface_claimed(iface)) { + snd_printdd(KERN_INFO "%d:%d:%d: skipping, already claimed\n", dev->devnum, ctrlif, j); + continue; + } + alts = &iface->altsetting[0]; + altsd = get_iface_desc(alts); + if ((altsd->bInterfaceClass == USB_CLASS_AUDIO || + altsd->bInterfaceClass == USB_CLASS_VENDOR_SPEC) && + altsd->bInterfaceSubClass == USB_SUBCLASS_MIDI_STREAMING) { + if (snd_usb_create_midi_interface(chip, iface, NULL) < 0) { + snd_printk(KERN_ERR "%d:%u:%d: cannot create sequencer device\n", dev->devnum, ctrlif, j); + continue; + } + usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L); + continue; + } + if ((altsd->bInterfaceClass != USB_CLASS_AUDIO && + altsd->bInterfaceClass != USB_CLASS_VENDOR_SPEC) || + altsd->bInterfaceSubClass != USB_SUBCLASS_AUDIO_STREAMING) { + snd_printdd(KERN_ERR "%d:%u:%d: skipping non-supported interface %d\n", dev->devnum, ctrlif, j, altsd->bInterfaceClass); + /* skip non-supported classes */ + continue; + } + if (! parse_audio_endpoints(chip, j)) { + usb_set_interface(dev, j, 0); /* reset the current interface */ + usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L); + } + } + + return 0; +} + +/* + * create a stream for an endpoint/altsetting without proper descriptors + */ +static int create_fixed_stream_quirk(snd_usb_audio_t *chip, + struct usb_interface *iface, + const snd_usb_audio_quirk_t *quirk) +{ + struct audioformat *fp; + struct usb_host_interface *alts; + int stream, err; + int *rate_table = NULL; + + fp = kmalloc(sizeof(*fp), GFP_KERNEL); + if (! fp) { + snd_printk(KERN_ERR "cannot malloc\n"); + return -ENOMEM; + } + memcpy(fp, quirk->data, sizeof(*fp)); + if (fp->nr_rates > 0) { + rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL); + if (!rate_table) { + kfree(fp); + return -ENOMEM; + } + memcpy(rate_table, fp->rate_table, sizeof(int) * fp->nr_rates); + fp->rate_table = rate_table; + } + + stream = (fp->endpoint & USB_DIR_IN) + ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; + err = add_audio_endpoint(chip, stream, fp); + if (err < 0) { + kfree(fp); + kfree(rate_table); + return err; + } + if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || + fp->altset_idx >= iface->num_altsetting) { + kfree(fp); + kfree(rate_table); + return -EINVAL; + } + alts = &iface->altsetting[fp->altset_idx]; + usb_set_interface(chip->dev, fp->iface, 0); + init_usb_pitch(chip->dev, fp->iface, alts, fp); + init_usb_sample_rate(chip->dev, fp->iface, alts, fp, fp->rate_max); + return 0; +} + +/* + * create a stream for an interface with proper descriptors + */ +static int create_standard_interface_quirk(snd_usb_audio_t *chip, + struct usb_interface *iface, + const snd_usb_audio_quirk_t *quirk) +{ + struct usb_host_interface *alts; + struct usb_interface_descriptor *altsd; + int err; + + alts = &iface->altsetting[0]; + altsd = get_iface_desc(alts); + switch (quirk->type) { + case QUIRK_AUDIO_STANDARD_INTERFACE: + err = parse_audio_endpoints(chip, altsd->bInterfaceNumber); + if (!err) + usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); /* reset the current interface */ + break; + case QUIRK_MIDI_STANDARD_INTERFACE: + err = snd_usb_create_midi_interface(chip, iface, NULL); + break; + default: + snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); + return -ENXIO; + } + if (err < 0) { + snd_printk(KERN_ERR "cannot setup if %d: error %d\n", + altsd->bInterfaceNumber, err); + return err; + } + return 0; +} + +/* + * Create a stream for an Edirol UA-700/UA-25 interface. The only way + * to detect the sample rate is by looking at wMaxPacketSize. + */ +static int create_ua700_ua25_quirk(snd_usb_audio_t *chip, + struct usb_interface *iface) +{ + static const struct audioformat ua_format = { + .format = SNDRV_PCM_FORMAT_S24_3LE, + .channels = 2, + .fmt_type = USB_FORMAT_TYPE_I, + .altsetting = 1, + .altset_idx = 1, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + }; + struct usb_host_interface *alts; + struct usb_interface_descriptor *altsd; + struct audioformat *fp; + int stream, err; + + /* both PCM and MIDI interfaces have 2 altsettings */ + if (iface->num_altsetting != 2) + return -ENXIO; + alts = &iface->altsetting[1]; + altsd = get_iface_desc(alts); + + if (altsd->bNumEndpoints == 2) { + static const snd_usb_midi_endpoint_info_t ua700_ep = { + .out_cables = 0x0003, + .in_cables = 0x0003 + }; + static const snd_usb_audio_quirk_t ua700_quirk = { + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &ua700_ep + }; + static const snd_usb_midi_endpoint_info_t ua25_ep = { + .out_cables = 0x0001, + .in_cables = 0x0001 + }; + static const snd_usb_audio_quirk_t ua25_quirk = { + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &ua25_ep + }; + if (le16_to_cpu(chip->dev->descriptor.idProduct) == 0x002b) + return snd_usb_create_midi_interface(chip, iface, + &ua700_quirk); + else + return snd_usb_create_midi_interface(chip, iface, + &ua25_quirk); + } + + if (altsd->bNumEndpoints != 1) + return -ENXIO; + + fp = kmalloc(sizeof(*fp), GFP_KERNEL); + if (!fp) + return -ENOMEM; + memcpy(fp, &ua_format, sizeof(*fp)); + + fp->iface = altsd->bInterfaceNumber; + fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; + fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; + fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); + + switch (fp->maxpacksize) { + case 0x120: + fp->rate_max = fp->rate_min = 44100; + break; + case 0x138: + case 0x140: + fp->rate_max = fp->rate_min = 48000; + break; + case 0x258: + case 0x260: + fp->rate_max = fp->rate_min = 96000; + break; + default: + snd_printk(KERN_ERR "unknown sample rate\n"); + kfree(fp); + return -ENXIO; + } + + stream = (fp->endpoint & USB_DIR_IN) + ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; + err = add_audio_endpoint(chip, stream, fp); + if (err < 0) { + kfree(fp); + return err; + } + usb_set_interface(chip->dev, fp->iface, 0); + return 0; +} + +/* + * Create a stream for an Edirol UA-1000 interface. + */ +static int create_ua1000_quirk(snd_usb_audio_t *chip, struct usb_interface *iface) +{ + static const struct audioformat ua1000_format = { + .format = SNDRV_PCM_FORMAT_S32_LE, + .fmt_type = USB_FORMAT_TYPE_I, + .altsetting = 1, + .altset_idx = 1, + .attributes = 0, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + }; + struct usb_host_interface *alts; + struct usb_interface_descriptor *altsd; + struct audioformat *fp; + int stream, err; + + if (iface->num_altsetting != 2) + return -ENXIO; + alts = &iface->altsetting[1]; + altsd = get_iface_desc(alts); + if (alts->extralen != 11 || alts->extra[1] != CS_AUDIO_INTERFACE || + altsd->bNumEndpoints != 1) + return -ENXIO; + + fp = kmalloc(sizeof(*fp), GFP_KERNEL); + if (!fp) + return -ENOMEM; + memcpy(fp, &ua1000_format, sizeof(*fp)); + + fp->channels = alts->extra[4]; + fp->iface = altsd->bInterfaceNumber; + fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; + fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; + fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); + fp->rate_max = fp->rate_min = combine_triple(&alts->extra[8]); + + stream = (fp->endpoint & USB_DIR_IN) + ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; + err = add_audio_endpoint(chip, stream, fp); + if (err < 0) { + kfree(fp); + return err; + } + /* FIXME: playback must be synchronized to capture */ + usb_set_interface(chip->dev, fp->iface, 0); + return 0; +} + +static int snd_usb_create_quirk(snd_usb_audio_t *chip, + struct usb_interface *iface, + const snd_usb_audio_quirk_t *quirk); + +/* + * handle the quirks for the contained interfaces + */ +static int create_composite_quirk(snd_usb_audio_t *chip, + struct usb_interface *iface, + const snd_usb_audio_quirk_t *quirk) +{ + int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; + int err; + + for (quirk = quirk->data; quirk->ifnum >= 0; ++quirk) { + iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); + if (!iface) + continue; + if (quirk->ifnum != probed_ifnum && + usb_interface_claimed(iface)) + continue; + err = snd_usb_create_quirk(chip, iface, quirk); + if (err < 0) + return err; + if (quirk->ifnum != probed_ifnum) + usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L); + } + return 0; +} + + +/* + * boot quirks + */ + +#define EXTIGY_FIRMWARE_SIZE_OLD 794 +#define EXTIGY_FIRMWARE_SIZE_NEW 483 + +static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) +{ + struct usb_host_config *config = dev->actconfig; + int err; + + if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || + le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { + snd_printdd("sending Extigy boot sequence...\n"); + /* Send message to force it to reconnect with full interface. */ + err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), + 0x10, 0x43, 0x0001, 0x000a, NULL, 0, 1000); + if (err < 0) snd_printdd("error sending boot message: %d\n", err); + err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, + &dev->descriptor, sizeof(dev->descriptor)); + config = dev->actconfig; + if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err); + err = usb_reset_configuration(dev); + if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err); + snd_printdd("extigy_boot: new boot length = %d\n", + le16_to_cpu(get_cfg_desc(config)->wTotalLength)); + return -ENODEV; /* quit this anyway */ + } + return 0; +} + + +/* + * audio-interface quirks + * + * returns zero if no standard audio/MIDI parsing is needed. + * returns a postive value if standard audio/midi interfaces are parsed + * after this. + * returns a negative value at error. + */ +static int snd_usb_create_quirk(snd_usb_audio_t *chip, + struct usb_interface *iface, + const snd_usb_audio_quirk_t *quirk) +{ + switch (quirk->type) { + case QUIRK_MIDI_FIXED_ENDPOINT: + case QUIRK_MIDI_YAMAHA: + case QUIRK_MIDI_MIDIMAN: + case QUIRK_MIDI_NOVATION: + case QUIRK_MIDI_MOTU: + case QUIRK_MIDI_EMAGIC: + return snd_usb_create_midi_interface(chip, iface, quirk); + case QUIRK_COMPOSITE: + return create_composite_quirk(chip, iface, quirk); + case QUIRK_AUDIO_FIXED_ENDPOINT: + return create_fixed_stream_quirk(chip, iface, quirk); + case QUIRK_AUDIO_STANDARD_INTERFACE: + case QUIRK_MIDI_STANDARD_INTERFACE: + return create_standard_interface_quirk(chip, iface, quirk); + case QUIRK_AUDIO_EDIROL_UA700_UA25: + return create_ua700_ua25_quirk(chip, iface); + case QUIRK_AUDIO_EDIROL_UA1000: + return create_ua1000_quirk(chip, iface); + case QUIRK_IGNORE_INTERFACE: + return 0; + default: + snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); + return -ENXIO; + } +} + + +/* + * common proc files to show the usb device info + */ +static void proc_audio_usbbus_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) +{ + snd_usb_audio_t *chip = entry->private_data; + if (! chip->shutdown) + snd_iprintf(buffer, "%03d/%03d\n", chip->dev->bus->busnum, chip->dev->devnum); +} + +static void proc_audio_usbid_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) +{ + snd_usb_audio_t *chip = entry->private_data; + if (! chip->shutdown) + snd_iprintf(buffer, "%04x:%04x\n", + le16_to_cpu(chip->dev->descriptor.idVendor), + le16_to_cpu(chip->dev->descriptor.idProduct)); +} + +static void snd_usb_audio_create_proc(snd_usb_audio_t *chip) +{ + snd_info_entry_t *entry; + if (! snd_card_proc_new(chip->card, "usbbus", &entry)) + snd_info_set_text_ops(entry, chip, 1024, proc_audio_usbbus_read); + if (! snd_card_proc_new(chip->card, "usbid", &entry)) + snd_info_set_text_ops(entry, chip, 1024, proc_audio_usbid_read); +} + +/* + * free the chip instance + * + * here we have to do not much, since pcm and controls are already freed + * + */ + +static int snd_usb_audio_free(snd_usb_audio_t *chip) +{ + kfree(chip); + return 0; +} + +static int snd_usb_audio_dev_free(snd_device_t *device) +{ + snd_usb_audio_t *chip = device->device_data; + return snd_usb_audio_free(chip); +} + + +/* + * create a chip instance and set its names. + */ +static int snd_usb_audio_create(struct usb_device *dev, int idx, + const snd_usb_audio_quirk_t *quirk, + snd_usb_audio_t **rchip) +{ + snd_card_t *card; + snd_usb_audio_t *chip; + int err, len; + char component[14]; + static snd_device_ops_t ops = { + .dev_free = snd_usb_audio_dev_free, + }; + + *rchip = NULL; + + if (snd_usb_get_speed(dev) != USB_SPEED_FULL && + snd_usb_get_speed(dev) != USB_SPEED_HIGH) { + snd_printk(KERN_ERR "unknown device speed %d\n", snd_usb_get_speed(dev)); + return -ENXIO; + } + + card = snd_card_new(index[idx], id[idx], THIS_MODULE, 0); + if (card == NULL) { + snd_printk(KERN_ERR "cannot create card instance %d\n", idx); + return -ENOMEM; + } + + chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); + if (! chip) { + snd_card_free(card); + return -ENOMEM; + } + + chip->index = idx; + chip->dev = dev; + chip->card = card; + INIT_LIST_HEAD(&chip->pcm_list); + INIT_LIST_HEAD(&chip->midi_list); + + if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + snd_usb_audio_free(chip); + snd_card_free(card); + return err; + } + + strcpy(card->driver, "USB-Audio"); + sprintf(component, "USB%04x:%04x", + le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); + snd_component_add(card, component); + + /* retrieve the device string as shortname */ + if (quirk && quirk->product_name) { + strlcpy(card->shortname, quirk->product_name, sizeof(card->shortname)); + } else { + if (!dev->descriptor.iProduct || + usb_string(dev, dev->descriptor.iProduct, + card->shortname, sizeof(card->shortname)) <= 0) { + /* no name available from anywhere, so use ID */ + sprintf(card->shortname, "USB Device %#04x:%#04x", + le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); + } + } + + /* retrieve the vendor and device strings as longname */ + if (quirk && quirk->vendor_name) { + len = strlcpy(card->longname, quirk->vendor_name, sizeof(card->longname)); + } else { + if (dev->descriptor.iManufacturer) + len = usb_string(dev, dev->descriptor.iManufacturer, + card->longname, sizeof(card->longname)); + else + len = 0; + /* we don't really care if there isn't any vendor string */ + } + if (len > 0) + strlcat(card->longname, " ", sizeof(card->longname)); + + strlcat(card->longname, card->shortname, sizeof(card->longname)); + + len = strlcat(card->longname, " at ", sizeof(card->longname)); + + if (len < sizeof(card->longname)) + usb_make_path(dev, card->longname + len, sizeof(card->longname) - len); + + strlcat(card->longname, + snd_usb_get_speed(dev) == USB_SPEED_FULL ? ", full speed" : ", high speed", + sizeof(card->longname)); + + snd_usb_audio_create_proc(chip); + + snd_card_set_dev(card, &dev->dev); + + *rchip = chip; + return 0; +} + + +/* + * probe the active usb device + * + * note that this can be called multiple times per a device, when it + * includes multiple audio control interfaces. + * + * thus we check the usb device pointer and creates the card instance + * only at the first time. the successive calls of this function will + * append the pcm interface to the corresponding card. + */ +static void *snd_usb_audio_probe(struct usb_device *dev, + struct usb_interface *intf, + const struct usb_device_id *usb_id) +{ + struct usb_host_config *config = dev->actconfig; + const snd_usb_audio_quirk_t *quirk = (const snd_usb_audio_quirk_t *)usb_id->driver_info; + int i, err; + snd_usb_audio_t *chip; + struct usb_host_interface *alts; + int ifnum; + + alts = &intf->altsetting[0]; + ifnum = get_iface_desc(alts)->bInterfaceNumber; + + if (quirk && quirk->ifnum >= 0 && ifnum != quirk->ifnum) + goto __err_val; + + /* SB Extigy needs special boot-up sequence */ + /* if more models come, this will go to the quirk list. */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x041e && + le16_to_cpu(dev->descriptor.idProduct) == 0x3000) { + if (snd_usb_extigy_boot_quirk(dev, intf) < 0) + goto __err_val; + config = dev->actconfig; + } + + /* + * found a config. now register to ALSA + */ + + /* check whether it's already registered */ + chip = NULL; + down(®ister_mutex); + for (i = 0; i < SNDRV_CARDS; i++) { + if (usb_chip[i] && usb_chip[i]->dev == dev) { + if (usb_chip[i]->shutdown) { + snd_printk(KERN_ERR "USB device is in the shutdown state, cannot create a card instance\n"); + goto __error; + } + chip = usb_chip[i]; + break; + } + } + if (! chip) { + /* it's a fresh one. + * now look for an empty slot and create a new card instance + */ + /* first, set the current configuration for this device */ + if (usb_reset_configuration(dev) < 0) { + snd_printk(KERN_ERR "cannot reset configuration (value 0x%x)\n", get_cfg_desc(config)->bConfigurationValue); + goto __error; + } + for (i = 0; i < SNDRV_CARDS; i++) + if (enable[i] && ! usb_chip[i] && + (vid[i] == -1 || vid[i] == le16_to_cpu(dev->descriptor.idVendor)) && + (pid[i] == -1 || pid[i] == le16_to_cpu(dev->descriptor.idProduct))) { + if (snd_usb_audio_create(dev, i, quirk, &chip) < 0) { + goto __error; + } + break; + } + if (! chip) { + snd_printk(KERN_ERR "no available usb audio device\n"); + goto __error; + } + } + + err = 1; /* continue */ + if (quirk && quirk->ifnum != QUIRK_NO_INTERFACE) { + /* need some special handlings */ + if ((err = snd_usb_create_quirk(chip, intf, quirk)) < 0) + goto __error; + } + + if (err > 0) { + /* create normal USB audio interfaces */ + if (snd_usb_create_streams(chip, ifnum) < 0 || + snd_usb_create_mixer(chip, ifnum) < 0) { + goto __error; + } + } + + /* we are allowed to call snd_card_register() many times */ + if (snd_card_register(chip->card) < 0) { + goto __error; + } + + usb_chip[chip->index] = chip; + chip->num_interfaces++; + up(®ister_mutex); + return chip; + + __error: + if (chip && !chip->num_interfaces) + snd_card_free(chip->card); + up(®ister_mutex); + __err_val: + return NULL; +} + +/* + * we need to take care of counter, since disconnection can be called also + * many times as well as usb_audio_probe(). + */ +static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr) +{ + snd_usb_audio_t *chip; + snd_card_t *card; + struct list_head *p; + + if (ptr == (void *)-1L) + return; + + chip = ptr; + card = chip->card; + down(®ister_mutex); + chip->shutdown = 1; + chip->num_interfaces--; + if (chip->num_interfaces <= 0) { + snd_card_disconnect(card); + /* release the pcm resources */ + list_for_each(p, &chip->pcm_list) { + snd_usb_stream_disconnect(p, &usb_audio_driver); + } + /* release the midi resources */ + list_for_each(p, &chip->midi_list) { + snd_usbmidi_disconnect(p, &usb_audio_driver); + } + usb_chip[chip->index] = NULL; + up(®ister_mutex); + snd_card_free_in_thread(card); + } else { + up(®ister_mutex); + } +} + +/* + * new 2.5 USB kernel API + */ +static int usb_audio_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + void *chip; + chip = snd_usb_audio_probe(interface_to_usbdev(intf), intf, id); + if (chip) { + dev_set_drvdata(&intf->dev, chip); + return 0; + } else + return -EIO; +} + +static void usb_audio_disconnect(struct usb_interface *intf) +{ + snd_usb_audio_disconnect(interface_to_usbdev(intf), + dev_get_drvdata(&intf->dev)); +} + + +static int __init snd_usb_audio_init(void) +{ + if (nrpacks < MIN_PACKS_URB || nrpacks > MAX_PACKS) { + printk(KERN_WARNING "invalid nrpacks value.\n"); + return -EINVAL; + } + usb_register(&usb_audio_driver); + return 0; +} + + +static void __exit snd_usb_audio_cleanup(void) +{ + usb_deregister(&usb_audio_driver); +} + +module_init(snd_usb_audio_init); +module_exit(snd_usb_audio_cleanup); diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h new file mode 100644 index 000000000000..eecbf19fcb6f --- /dev/null +++ b/sound/usb/usbaudio.h @@ -0,0 +1,251 @@ +#ifndef __USBAUDIO_H +#define __USBAUDIO_H +/* + * (Tentative) USB Audio Driver for ALSA + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +/* + */ + +#define USB_SUBCLASS_AUDIO_CONTROL 0x01 +#define USB_SUBCLASS_AUDIO_STREAMING 0x02 +#define USB_SUBCLASS_MIDI_STREAMING 0x03 +#define USB_SUBCLASS_VENDOR_SPEC 0xff + +#define CS_AUDIO_UNDEFINED 0x20 +#define CS_AUDIO_DEVICE 0x21 +#define CS_AUDIO_CONFIGURATION 0x22 +#define CS_AUDIO_STRING 0x23 +#define CS_AUDIO_INTERFACE 0x24 +#define CS_AUDIO_ENDPOINT 0x25 + +#define HEADER 0x01 +#define INPUT_TERMINAL 0x02 +#define OUTPUT_TERMINAL 0x03 +#define MIXER_UNIT 0x04 +#define SELECTOR_UNIT 0x05 +#define FEATURE_UNIT 0x06 +#define PROCESSING_UNIT 0x07 +#define EXTENSION_UNIT 0x08 + +#define AS_GENERAL 0x01 +#define FORMAT_TYPE 0x02 +#define FORMAT_SPECIFIC 0x03 + +#define EP_GENERAL 0x01 + +#define MS_GENERAL 0x01 +#define MIDI_IN_JACK 0x02 +#define MIDI_OUT_JACK 0x03 + +/* endpoint attributes */ +#define EP_ATTR_MASK 0x0c +#define EP_ATTR_ASYNC 0x04 +#define EP_ATTR_ADAPTIVE 0x08 +#define EP_ATTR_SYNC 0x0c + +/* cs endpoint attributes */ +#define EP_CS_ATTR_SAMPLE_RATE 0x01 +#define EP_CS_ATTR_PITCH_CONTROL 0x02 +#define EP_CS_ATTR_FILL_MAX 0x80 + +/* Audio Class specific Request Codes */ + +#define SET_CUR 0x01 +#define GET_CUR 0x81 +#define SET_MIN 0x02 +#define GET_MIN 0x82 +#define SET_MAX 0x03 +#define GET_MAX 0x83 +#define SET_RES 0x04 +#define GET_RES 0x84 +#define SET_MEM 0x05 +#define GET_MEM 0x85 +#define GET_STAT 0xff + +/* Terminal Control Selectors */ + +#define COPY_PROTECT_CONTROL 0x01 + +/* Endpoint Control Selectors */ + +#define SAMPLING_FREQ_CONTROL 0x01 +#define PITCH_CONTROL 0x02 + +/* Format Types */ +#define USB_FORMAT_TYPE_I 0x01 +#define USB_FORMAT_TYPE_II 0x02 +#define USB_FORMAT_TYPE_III 0x03 + +/* type I */ +#define USB_AUDIO_FORMAT_PCM 0x01 +#define USB_AUDIO_FORMAT_PCM8 0x02 +#define USB_AUDIO_FORMAT_IEEE_FLOAT 0x03 +#define USB_AUDIO_FORMAT_ALAW 0x04 +#define USB_AUDIO_FORMAT_MU_LAW 0x05 + +/* type II */ +#define USB_AUDIO_FORMAT_MPEG 0x1001 +#define USB_AUDIO_FORMAT_AC3 0x1002 + +/* type III */ +#define USB_AUDIO_FORMAT_IEC1937_AC3 0x2001 +#define USB_AUDIO_FORMAT_IEC1937_MPEG1_LAYER1 0x2002 +#define USB_AUDIO_FORMAT_IEC1937_MPEG2_NOEXT 0x2003 +#define USB_AUDIO_FORMAT_IEC1937_MPEG2_EXT 0x2004 +#define USB_AUDIO_FORMAT_IEC1937_MPEG2_LAYER1_LS 0x2005 +#define USB_AUDIO_FORMAT_IEC1937_MPEG2_LAYER23_LS 0x2006 + + +/* maximum number of endpoints per interface */ +#define MIDI_MAX_ENDPOINTS 2 + +/* + */ + +typedef struct snd_usb_audio snd_usb_audio_t; + +struct snd_usb_audio { + int index; + struct usb_device *dev; + snd_card_t *card; + int shutdown; + int num_interfaces; + + struct list_head pcm_list; /* list of pcm streams */ + int pcm_devs; + + struct list_head midi_list; /* list of midi interfaces */ + int next_midi_device; + + unsigned int ignore_ctl_error; /* for mixer */ +}; + +/* + * Information about devices with broken descriptors + */ + +/* special values for .ifnum */ +#define QUIRK_NO_INTERFACE -2 +#define QUIRK_ANY_INTERFACE -1 + +/* quirk type */ +#define QUIRK_MIDI_FIXED_ENDPOINT 0 +#define QUIRK_MIDI_YAMAHA 1 +#define QUIRK_MIDI_MIDIMAN 2 +#define QUIRK_COMPOSITE 3 +#define QUIRK_AUDIO_FIXED_ENDPOINT 4 +#define QUIRK_AUDIO_STANDARD_INTERFACE 5 +#define QUIRK_MIDI_STANDARD_INTERFACE 6 +#define QUIRK_AUDIO_EDIROL_UA700_UA25 7 +#define QUIRK_AUDIO_EDIROL_UA1000 8 +#define QUIRK_IGNORE_INTERFACE 9 +#define QUIRK_MIDI_NOVATION 10 +#define QUIRK_MIDI_MOTU 11 +#define QUIRK_MIDI_EMAGIC 12 + +typedef struct snd_usb_audio_quirk snd_usb_audio_quirk_t; +typedef struct snd_usb_midi_endpoint_info snd_usb_midi_endpoint_info_t; + +struct snd_usb_audio_quirk { + const char *vendor_name; + const char *product_name; + int16_t ifnum; + int16_t type; + const void *data; +}; + +/* data for QUIRK_MIDI_FIXED_ENDPOINT */ +struct snd_usb_midi_endpoint_info { + int8_t out_ep; /* ep number, 0 autodetect */ + uint8_t out_interval; /* interval for interrupt endpoints */ + int8_t in_ep; + uint8_t in_interval; + uint16_t out_cables; /* bitmask */ + uint16_t in_cables; /* bitmask */ +}; + +/* for QUIRK_MIDI_YAMAHA, data is NULL */ + +/* for QUIRK_MIDI_MIDIMAN, data points to a snd_usb_midi_endpoint_info + * structure (out_cables and in_cables only) */ + +/* for QUIRK_COMPOSITE, data points to an array of snd_usb_audio_quirk + * structures, terminated with .ifnum = -1 */ + +/* for QUIRK_AUDIO_FIXED_ENDPOINT, data points to an audioformat structure */ + +/* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */ + +/* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */ + +/* for QUIRK_IGNORE_INTERFACE, data is NULL */ + +/* for QUIRK_MIDI_NOVATION and _MOTU, data is NULL */ + +/* for QUIRK_MIDI_EMAGIC, data points to a snd_usb_midi_endpoint_info + * structure (out_cables and in_cables only) */ + +/* + */ + +#define combine_word(s) ((*s) | ((unsigned int)(s)[1] << 8)) +#define combine_triple(s) (combine_word(s) | ((unsigned int)(s)[2] << 16)) +#define combine_quad(s) (combine_triple(s) | ((unsigned int)(s)[3] << 24)) + +unsigned int snd_usb_combine_bytes(unsigned char *bytes, int size); + +void *snd_usb_find_desc(void *descstart, int desclen, void *after, u8 dtype); +void *snd_usb_find_csint_desc(void *descstart, int desclen, void *after, u8 dsubtype); + +int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe, __u8 request, __u8 requesttype, __u16 value, __u16 index, void *data, __u16 size, int timeout); + +int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif); + +int snd_usb_create_midi_interface(snd_usb_audio_t *chip, struct usb_interface *iface, const snd_usb_audio_quirk_t *quirk); +void snd_usbmidi_input_stop(struct list_head* p); +void snd_usbmidi_input_start(struct list_head* p); +void snd_usbmidi_disconnect(struct list_head *p, struct usb_driver *driver); + +/* + * retrieve usb_interface descriptor from the host interface + * (conditional for compatibility with the older API) + */ +#ifndef get_iface_desc +#define get_iface_desc(iface) (&(iface)->desc) +#define get_endpoint(alt,ep) (&(alt)->endpoint[ep].desc) +#define get_ep_desc(ep) (&(ep)->desc) +#define get_cfg_desc(cfg) (&(cfg)->desc) +#endif + +#ifndef usb_pipe_needs_resubmit +#define usb_pipe_needs_resubmit(pipe) 1 +#endif + +#ifndef snd_usb_complete_callback +#define snd_usb_complete_callback(x) (x) +#endif + +#ifndef snd_usb_get_speed +#define snd_usb_get_speed(dev) ((dev)->speed) +#endif + +#endif /* __USBAUDIO_H */ diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c new file mode 100644 index 000000000000..5d32857ff955 --- /dev/null +++ b/sound/usb/usbmidi.c @@ -0,0 +1,1564 @@ +/* + * usbmidi.c - ALSA USB MIDI driver + * + * Copyright (c) 2002-2005 Clemens Ladisch + * All rights reserved. + * + * Based on the OSS usb-midi driver by NAGANO Daisuke, + * NetBSD's umidi driver by Takuya SHIOZAKI, + * the "USB Device Class Definition for MIDI Devices" by Roland + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * Alternatively, this software may be distributed and/or modified under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sound/driver.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/bitops.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/usb.h> +#include <sound/core.h> +#include <sound/minors.h> +#include <sound/rawmidi.h> +#include "usbaudio.h" + + +/* + * define this to log all USB packets + */ +/* #define DUMP_PACKETS */ + + +MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>"); +MODULE_DESCRIPTION("USB Audio/MIDI helper module"); +MODULE_LICENSE("Dual BSD/GPL"); + + +struct usb_ms_header_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bcdMSC[2]; + __le16 wTotalLength; +} __attribute__ ((packed)); + +struct usb_ms_endpoint_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDescriptorSubtype; + __u8 bNumEmbMIDIJack; + __u8 baAssocJackID[0]; +} __attribute__ ((packed)); + +typedef struct snd_usb_midi snd_usb_midi_t; +typedef struct snd_usb_midi_endpoint snd_usb_midi_endpoint_t; +typedef struct snd_usb_midi_out_endpoint snd_usb_midi_out_endpoint_t; +typedef struct snd_usb_midi_in_endpoint snd_usb_midi_in_endpoint_t; +typedef struct usbmidi_out_port usbmidi_out_port_t; +typedef struct usbmidi_in_port usbmidi_in_port_t; + +struct usb_protocol_ops { + void (*input)(snd_usb_midi_in_endpoint_t*, uint8_t*, int); + void (*output)(snd_usb_midi_out_endpoint_t*); + void (*output_packet)(struct urb*, uint8_t, uint8_t, uint8_t, uint8_t); + void (*init_out_endpoint)(snd_usb_midi_out_endpoint_t*); + void (*finish_out_endpoint)(snd_usb_midi_out_endpoint_t*); +}; + +struct snd_usb_midi { + snd_usb_audio_t *chip; + struct usb_interface *iface; + const snd_usb_audio_quirk_t *quirk; + snd_rawmidi_t* rmidi; + struct usb_protocol_ops* usb_protocol_ops; + struct list_head list; + + struct snd_usb_midi_endpoint { + snd_usb_midi_out_endpoint_t *out; + snd_usb_midi_in_endpoint_t *in; + } endpoints[MIDI_MAX_ENDPOINTS]; + unsigned long input_triggered; +}; + +struct snd_usb_midi_out_endpoint { + snd_usb_midi_t* umidi; + struct urb* urb; + int urb_active; + int max_transfer; /* size of urb buffer */ + struct tasklet_struct tasklet; + + spinlock_t buffer_lock; + + struct usbmidi_out_port { + snd_usb_midi_out_endpoint_t* ep; + snd_rawmidi_substream_t* substream; + int active; + uint8_t cable; /* cable number << 4 */ + uint8_t state; +#define STATE_UNKNOWN 0 +#define STATE_1PARAM 1 +#define STATE_2PARAM_1 2 +#define STATE_2PARAM_2 3 +#define STATE_SYSEX_0 4 +#define STATE_SYSEX_1 5 +#define STATE_SYSEX_2 6 + uint8_t data[2]; + } ports[0x10]; + int current_port; +}; + +struct snd_usb_midi_in_endpoint { + snd_usb_midi_t* umidi; + struct urb* urb; + struct usbmidi_in_port { + snd_rawmidi_substream_t* substream; + } ports[0x10]; + int seen_f5; + int current_port; +}; + +static void snd_usbmidi_do_output(snd_usb_midi_out_endpoint_t* ep); + +static const uint8_t snd_usbmidi_cin_length[] = { + 0, 0, 2, 3, 3, 1, 2, 3, 3, 3, 3, 3, 2, 2, 3, 1 +}; + +/* + * Submits the URB, with error handling. + */ +static int snd_usbmidi_submit_urb(struct urb* urb, int flags) +{ + int err = usb_submit_urb(urb, flags); + if (err < 0 && err != -ENODEV) + snd_printk(KERN_ERR "usb_submit_urb: %d\n", err); + return err; +} + +/* + * Error handling for URB completion functions. + */ +static int snd_usbmidi_urb_error(int status) +{ + if (status == -ENOENT) + return status; /* killed */ + if (status == -EILSEQ || + status == -ECONNRESET || + status == -ETIMEDOUT) + return -ENODEV; /* device removed/shutdown */ + snd_printk(KERN_ERR "urb status %d\n", status); + return 0; /* continue */ +} + +/* + * Receives a chunk of MIDI data. + */ +static void snd_usbmidi_input_data(snd_usb_midi_in_endpoint_t* ep, int portidx, + uint8_t* data, int length) +{ + usbmidi_in_port_t* port = &ep->ports[portidx]; + + if (!port->substream) { + snd_printd("unexpected port %d!\n", portidx); + return; + } + if (!test_bit(port->substream->number, &ep->umidi->input_triggered)) + return; + snd_rawmidi_receive(port->substream, data, length); +} + +#ifdef DUMP_PACKETS +static void dump_urb(const char *type, const u8 *data, int length) +{ + snd_printk(KERN_DEBUG "%s packet: [", type); + for (; length > 0; ++data, --length) + printk(" %02x", *data); + printk(" ]\n"); +} +#else +#define dump_urb(type, data, length) /* nothing */ +#endif + +/* + * Processes the data read from the device. + */ +static void snd_usbmidi_in_urb_complete(struct urb* urb, struct pt_regs *regs) +{ + snd_usb_midi_in_endpoint_t* ep = urb->context; + + if (urb->status == 0) { + dump_urb("received", urb->transfer_buffer, urb->actual_length); + ep->umidi->usb_protocol_ops->input(ep, urb->transfer_buffer, + urb->actual_length); + } else { + if (snd_usbmidi_urb_error(urb->status) < 0) + return; + } + + if (usb_pipe_needs_resubmit(urb->pipe)) { + urb->dev = ep->umidi->chip->dev; + snd_usbmidi_submit_urb(urb, GFP_ATOMIC); + } +} + +static void snd_usbmidi_out_urb_complete(struct urb* urb, struct pt_regs *regs) +{ + snd_usb_midi_out_endpoint_t* ep = urb->context; + + spin_lock(&ep->buffer_lock); + ep->urb_active = 0; + spin_unlock(&ep->buffer_lock); + if (urb->status < 0) { + if (snd_usbmidi_urb_error(urb->status) < 0) + return; + } + snd_usbmidi_do_output(ep); +} + +/* + * This is called when some data should be transferred to the device + * (from one or more substreams). + */ +static void snd_usbmidi_do_output(snd_usb_midi_out_endpoint_t* ep) +{ + struct urb* urb = ep->urb; + unsigned long flags; + + spin_lock_irqsave(&ep->buffer_lock, flags); + if (ep->urb_active || ep->umidi->chip->shutdown) { + spin_unlock_irqrestore(&ep->buffer_lock, flags); + return; + } + + urb->transfer_buffer_length = 0; + ep->umidi->usb_protocol_ops->output(ep); + + if (urb->transfer_buffer_length > 0) { + dump_urb("sending", urb->transfer_buffer, + urb->transfer_buffer_length); + urb->dev = ep->umidi->chip->dev; + ep->urb_active = snd_usbmidi_submit_urb(urb, GFP_ATOMIC) >= 0; + } + spin_unlock_irqrestore(&ep->buffer_lock, flags); +} + +static void snd_usbmidi_out_tasklet(unsigned long data) +{ + snd_usb_midi_out_endpoint_t* ep = (snd_usb_midi_out_endpoint_t *) data; + + snd_usbmidi_do_output(ep); +} + +/* helper function to send static data that may not DMA-able */ +static int send_bulk_static_data(snd_usb_midi_out_endpoint_t* ep, + const void *data, int len) +{ + int err; + void *buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + memcpy(buf, data, len); + dump_urb("sending", buf, len); + err = usb_bulk_msg(ep->umidi->chip->dev, ep->urb->pipe, buf, len, + NULL, 250); + kfree(buf); + return err; +} + +/* + * Standard USB MIDI protocol: see the spec. + * Midiman protocol: like the standard protocol, but the control byte is the + * fourth byte in each packet, and uses length instead of CIN. + */ + +static void snd_usbmidi_standard_input(snd_usb_midi_in_endpoint_t* ep, + uint8_t* buffer, int buffer_length) +{ + int i; + + for (i = 0; i + 3 < buffer_length; i += 4) + if (buffer[i] != 0) { + int cable = buffer[i] >> 4; + int length = snd_usbmidi_cin_length[buffer[i] & 0x0f]; + snd_usbmidi_input_data(ep, cable, &buffer[i + 1], length); + } +} + +static void snd_usbmidi_midiman_input(snd_usb_midi_in_endpoint_t* ep, + uint8_t* buffer, int buffer_length) +{ + int i; + + for (i = 0; i + 3 < buffer_length; i += 4) + if (buffer[i + 3] != 0) { + int port = buffer[i + 3] >> 4; + int length = buffer[i + 3] & 3; + snd_usbmidi_input_data(ep, port, &buffer[i], length); + } +} + +/* + * Adds one USB MIDI packet to the output buffer. + */ +static void snd_usbmidi_output_standard_packet(struct urb* urb, uint8_t p0, + uint8_t p1, uint8_t p2, uint8_t p3) +{ + + uint8_t* buf = (uint8_t*)urb->transfer_buffer + urb->transfer_buffer_length; + buf[0] = p0; + buf[1] = p1; + buf[2] = p2; + buf[3] = p3; + urb->transfer_buffer_length += 4; +} + +/* + * Adds one Midiman packet to the output buffer. + */ +static void snd_usbmidi_output_midiman_packet(struct urb* urb, uint8_t p0, + uint8_t p1, uint8_t p2, uint8_t p3) +{ + + uint8_t* buf = (uint8_t*)urb->transfer_buffer + urb->transfer_buffer_length; + buf[0] = p1; + buf[1] = p2; + buf[2] = p3; + buf[3] = (p0 & 0xf0) | snd_usbmidi_cin_length[p0 & 0x0f]; + urb->transfer_buffer_length += 4; +} + +/* + * Converts MIDI commands to USB MIDI packets. + */ +static void snd_usbmidi_transmit_byte(usbmidi_out_port_t* port, + uint8_t b, struct urb* urb) +{ + uint8_t p0 = port->cable; + void (*output_packet)(struct urb*, uint8_t, uint8_t, uint8_t, uint8_t) = + port->ep->umidi->usb_protocol_ops->output_packet; + + if (b >= 0xf8) { + output_packet(urb, p0 | 0x0f, b, 0, 0); + } else if (b >= 0xf0) { + switch (b) { + case 0xf0: + port->data[0] = b; + port->state = STATE_SYSEX_1; + break; + case 0xf1: + case 0xf3: + port->data[0] = b; + port->state = STATE_1PARAM; + break; + case 0xf2: + port->data[0] = b; + port->state = STATE_2PARAM_1; + break; + case 0xf4: + case 0xf5: + port->state = STATE_UNKNOWN; + break; + case 0xf6: + output_packet(urb, p0 | 0x05, 0xf6, 0, 0); + port->state = STATE_UNKNOWN; + break; + case 0xf7: + switch (port->state) { + case STATE_SYSEX_0: + output_packet(urb, p0 | 0x05, 0xf7, 0, 0); + break; + case STATE_SYSEX_1: + output_packet(urb, p0 | 0x06, port->data[0], 0xf7, 0); + break; + case STATE_SYSEX_2: + output_packet(urb, p0 | 0x07, port->data[0], port->data[1], 0xf7); + break; + } + port->state = STATE_UNKNOWN; + break; + } + } else if (b >= 0x80) { + port->data[0] = b; + if (b >= 0xc0 && b <= 0xdf) + port->state = STATE_1PARAM; + else + port->state = STATE_2PARAM_1; + } else { /* b < 0x80 */ + switch (port->state) { + case STATE_1PARAM: + if (port->data[0] < 0xf0) { + p0 |= port->data[0] >> 4; + } else { + p0 |= 0x02; + port->state = STATE_UNKNOWN; + } + output_packet(urb, p0, port->data[0], b, 0); + break; + case STATE_2PARAM_1: + port->data[1] = b; + port->state = STATE_2PARAM_2; + break; + case STATE_2PARAM_2: + if (port->data[0] < 0xf0) { + p0 |= port->data[0] >> 4; + port->state = STATE_2PARAM_1; + } else { + p0 |= 0x03; + port->state = STATE_UNKNOWN; + } + output_packet(urb, p0, port->data[0], port->data[1], b); + break; + case STATE_SYSEX_0: + port->data[0] = b; + port->state = STATE_SYSEX_1; + break; + case STATE_SYSEX_1: + port->data[1] = b; + port->state = STATE_SYSEX_2; + break; + case STATE_SYSEX_2: + output_packet(urb, p0 | 0x04, port->data[0], port->data[1], b); + port->state = STATE_SYSEX_0; + break; + } + } +} + +static void snd_usbmidi_standard_output(snd_usb_midi_out_endpoint_t* ep) +{ + struct urb* urb = ep->urb; + int p; + + /* FIXME: lower-numbered ports can starve higher-numbered ports */ + for (p = 0; p < 0x10; ++p) { + usbmidi_out_port_t* port = &ep->ports[p]; + if (!port->active) + continue; + while (urb->transfer_buffer_length + 3 < ep->max_transfer) { + uint8_t b; + if (snd_rawmidi_transmit(port->substream, &b, 1) != 1) { + port->active = 0; + break; + } + snd_usbmidi_transmit_byte(port, b, urb); + } + } +} + +static struct usb_protocol_ops snd_usbmidi_standard_ops = { + .input = snd_usbmidi_standard_input, + .output = snd_usbmidi_standard_output, + .output_packet = snd_usbmidi_output_standard_packet, +}; + +static struct usb_protocol_ops snd_usbmidi_midiman_ops = { + .input = snd_usbmidi_midiman_input, + .output = snd_usbmidi_standard_output, + .output_packet = snd_usbmidi_output_midiman_packet, +}; + +/* + * Novation USB MIDI protocol: number of data bytes is in the first byte + * (when receiving) (+1!) or in the second byte (when sending); data begins + * at the third byte. + */ + +static void snd_usbmidi_novation_input(snd_usb_midi_in_endpoint_t* ep, + uint8_t* buffer, int buffer_length) +{ + if (buffer_length < 2 || !buffer[0] || buffer_length < buffer[0] + 1) + return; + snd_usbmidi_input_data(ep, 0, &buffer[2], buffer[0] - 1); +} + +static void snd_usbmidi_novation_output(snd_usb_midi_out_endpoint_t* ep) +{ + uint8_t* transfer_buffer; + int count; + + if (!ep->ports[0].active) + return; + transfer_buffer = ep->urb->transfer_buffer; + count = snd_rawmidi_transmit(ep->ports[0].substream, + &transfer_buffer[2], + ep->max_transfer - 2); + if (count < 1) { + ep->ports[0].active = 0; + return; + } + transfer_buffer[0] = 0; + transfer_buffer[1] = count; + ep->urb->transfer_buffer_length = 2 + count; +} + +static struct usb_protocol_ops snd_usbmidi_novation_ops = { + .input = snd_usbmidi_novation_input, + .output = snd_usbmidi_novation_output, +}; + +/* + * Mark of the Unicorn USB MIDI protocol: raw MIDI. + */ + +static void snd_usbmidi_motu_input(snd_usb_midi_in_endpoint_t* ep, + uint8_t* buffer, int buffer_length) +{ + snd_usbmidi_input_data(ep, 0, buffer, buffer_length); +} + +static void snd_usbmidi_motu_output(snd_usb_midi_out_endpoint_t* ep) +{ + int count; + + if (!ep->ports[0].active) + return; + count = snd_rawmidi_transmit(ep->ports[0].substream, + ep->urb->transfer_buffer, + ep->max_transfer); + if (count < 1) { + ep->ports[0].active = 0; + return; + } + ep->urb->transfer_buffer_length = count; +} + +static struct usb_protocol_ops snd_usbmidi_motu_ops = { + .input = snd_usbmidi_motu_input, + .output = snd_usbmidi_motu_output, +}; + +/* + * Emagic USB MIDI protocol: raw MIDI with "F5 xx" port switching. + */ + +static void snd_usbmidi_emagic_init_out(snd_usb_midi_out_endpoint_t* ep) +{ + static const u8 init_data[] = { + /* initialization magic: "get version" */ + 0xf0, + 0x00, 0x20, 0x31, /* Emagic */ + 0x64, /* Unitor8 */ + 0x0b, /* version number request */ + 0x00, /* command version */ + 0x00, /* EEPROM, box 0 */ + 0xf7 + }; + send_bulk_static_data(ep, init_data, sizeof(init_data)); + /* while we're at it, pour on more magic */ + send_bulk_static_data(ep, init_data, sizeof(init_data)); +} + +static void snd_usbmidi_emagic_finish_out(snd_usb_midi_out_endpoint_t* ep) +{ + static const u8 finish_data[] = { + /* switch to patch mode with last preset */ + 0xf0, + 0x00, 0x20, 0x31, /* Emagic */ + 0x64, /* Unitor8 */ + 0x10, /* patch switch command */ + 0x00, /* command version */ + 0x7f, /* to all boxes */ + 0x40, /* last preset in EEPROM */ + 0xf7 + }; + send_bulk_static_data(ep, finish_data, sizeof(finish_data)); +} + +static void snd_usbmidi_emagic_input(snd_usb_midi_in_endpoint_t* ep, + uint8_t* buffer, int buffer_length) +{ + /* ignore padding bytes at end of buffer */ + while (buffer_length > 0 && buffer[buffer_length - 1] == 0xff) + --buffer_length; + + /* handle F5 at end of last buffer */ + if (ep->seen_f5) + goto switch_port; + + while (buffer_length > 0) { + int i; + + /* determine size of data until next F5 */ + for (i = 0; i < buffer_length; ++i) + if (buffer[i] == 0xf5) + break; + snd_usbmidi_input_data(ep, ep->current_port, buffer, i); + buffer += i; + buffer_length -= i; + + if (buffer_length <= 0) + break; + /* assert(buffer[0] == 0xf5); */ + ep->seen_f5 = 1; + ++buffer; + --buffer_length; + + switch_port: + if (buffer_length <= 0) + break; + if (buffer[0] < 0x80) { + ep->current_port = (buffer[0] - 1) & 15; + ++buffer; + --buffer_length; + } + ep->seen_f5 = 0; + } +} + +static void snd_usbmidi_emagic_output(snd_usb_midi_out_endpoint_t* ep) +{ + int port0 = ep->current_port; + uint8_t* buf = ep->urb->transfer_buffer; + int buf_free = ep->max_transfer; + int length, i; + + for (i = 0; i < 0x10; ++i) { + /* round-robin, starting at the last current port */ + int portnum = (port0 + i) & 15; + usbmidi_out_port_t* port = &ep->ports[portnum]; + + if (!port->active) + continue; + if (snd_rawmidi_transmit_peek(port->substream, buf, 1) != 1) { + port->active = 0; + continue; + } + + if (portnum != ep->current_port) { + if (buf_free < 2) + break; + ep->current_port = portnum; + buf[0] = 0xf5; + buf[1] = (portnum + 1) & 15; + buf += 2; + buf_free -= 2; + } + + if (buf_free < 1) + break; + length = snd_rawmidi_transmit(port->substream, buf, buf_free); + if (length > 0) { + buf += length; + buf_free -= length; + if (buf_free < 1) + break; + } + } + ep->urb->transfer_buffer_length = ep->max_transfer - buf_free; +} + +static struct usb_protocol_ops snd_usbmidi_emagic_ops = { + .input = snd_usbmidi_emagic_input, + .output = snd_usbmidi_emagic_output, + .init_out_endpoint = snd_usbmidi_emagic_init_out, + .finish_out_endpoint = snd_usbmidi_emagic_finish_out, +}; + + +static int snd_usbmidi_output_open(snd_rawmidi_substream_t* substream) +{ + snd_usb_midi_t* umidi = substream->rmidi->private_data; + usbmidi_out_port_t* port = NULL; + int i, j; + + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) + if (umidi->endpoints[i].out) + for (j = 0; j < 0x10; ++j) + if (umidi->endpoints[i].out->ports[j].substream == substream) { + port = &umidi->endpoints[i].out->ports[j]; + break; + } + if (!port) { + snd_BUG(); + return -ENXIO; + } + substream->runtime->private_data = port; + port->state = STATE_UNKNOWN; + return 0; +} + +static int snd_usbmidi_output_close(snd_rawmidi_substream_t* substream) +{ + return 0; +} + +static void snd_usbmidi_output_trigger(snd_rawmidi_substream_t* substream, int up) +{ + usbmidi_out_port_t* port = (usbmidi_out_port_t*)substream->runtime->private_data; + + port->active = up; + if (up) { + if (port->ep->umidi->chip->shutdown) { + /* gobble up remaining bytes to prevent wait in + * snd_rawmidi_drain_output */ + while (!snd_rawmidi_transmit_empty(substream)) + snd_rawmidi_transmit_ack(substream, 1); + return; + } + tasklet_hi_schedule(&port->ep->tasklet); + } +} + +static int snd_usbmidi_input_open(snd_rawmidi_substream_t* substream) +{ + return 0; +} + +static int snd_usbmidi_input_close(snd_rawmidi_substream_t* substream) +{ + return 0; +} + +static void snd_usbmidi_input_trigger(snd_rawmidi_substream_t* substream, int up) +{ + snd_usb_midi_t* umidi = substream->rmidi->private_data; + + if (up) + set_bit(substream->number, &umidi->input_triggered); + else + clear_bit(substream->number, &umidi->input_triggered); +} + +static snd_rawmidi_ops_t snd_usbmidi_output_ops = { + .open = snd_usbmidi_output_open, + .close = snd_usbmidi_output_close, + .trigger = snd_usbmidi_output_trigger, +}; + +static snd_rawmidi_ops_t snd_usbmidi_input_ops = { + .open = snd_usbmidi_input_open, + .close = snd_usbmidi_input_close, + .trigger = snd_usbmidi_input_trigger +}; + +/* + * Frees an input endpoint. + * May be called when ep hasn't been initialized completely. + */ +static void snd_usbmidi_in_endpoint_delete(snd_usb_midi_in_endpoint_t* ep) +{ + if (ep->urb) { + kfree(ep->urb->transfer_buffer); + usb_free_urb(ep->urb); + } + kfree(ep); +} + +/* + * Creates an input endpoint. + */ +static int snd_usbmidi_in_endpoint_create(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* ep_info, + snd_usb_midi_endpoint_t* rep) +{ + snd_usb_midi_in_endpoint_t* ep; + void* buffer; + unsigned int pipe; + int length; + + rep->in = NULL; + ep = kcalloc(1, sizeof(*ep), GFP_KERNEL); + if (!ep) + return -ENOMEM; + ep->umidi = umidi; + + ep->urb = usb_alloc_urb(0, GFP_KERNEL); + if (!ep->urb) { + snd_usbmidi_in_endpoint_delete(ep); + return -ENOMEM; + } + if (ep_info->in_interval) + pipe = usb_rcvintpipe(umidi->chip->dev, ep_info->in_ep); + else + pipe = usb_rcvbulkpipe(umidi->chip->dev, ep_info->in_ep); + length = usb_maxpacket(umidi->chip->dev, pipe, 0); + buffer = kmalloc(length, GFP_KERNEL); + if (!buffer) { + snd_usbmidi_in_endpoint_delete(ep); + return -ENOMEM; + } + if (ep_info->in_interval) + usb_fill_int_urb(ep->urb, umidi->chip->dev, pipe, buffer, length, + snd_usb_complete_callback(snd_usbmidi_in_urb_complete), + ep, ep_info->in_interval); + else + usb_fill_bulk_urb(ep->urb, umidi->chip->dev, pipe, buffer, length, + snd_usb_complete_callback(snd_usbmidi_in_urb_complete), + ep); + + rep->in = ep; + return 0; +} + +static unsigned int snd_usbmidi_count_bits(unsigned int x) +{ + unsigned int bits = 0; + + for (; x; x >>= 1) + bits += x & 1; + return bits; +} + +/* + * Frees an output endpoint. + * May be called when ep hasn't been initialized completely. + */ +static void snd_usbmidi_out_endpoint_delete(snd_usb_midi_out_endpoint_t* ep) +{ + if (ep->tasklet.func) + tasklet_kill(&ep->tasklet); + if (ep->urb) { + kfree(ep->urb->transfer_buffer); + usb_free_urb(ep->urb); + } + kfree(ep); +} + +/* + * Creates an output endpoint, and initializes output ports. + */ +static int snd_usbmidi_out_endpoint_create(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* ep_info, + snd_usb_midi_endpoint_t* rep) +{ + snd_usb_midi_out_endpoint_t* ep; + int i; + unsigned int pipe; + void* buffer; + + rep->out = NULL; + ep = kcalloc(1, sizeof(*ep), GFP_KERNEL); + if (!ep) + return -ENOMEM; + ep->umidi = umidi; + + ep->urb = usb_alloc_urb(0, GFP_KERNEL); + if (!ep->urb) { + snd_usbmidi_out_endpoint_delete(ep); + return -ENOMEM; + } + /* we never use interrupt output pipes */ + pipe = usb_sndbulkpipe(umidi->chip->dev, ep_info->out_ep); + ep->max_transfer = usb_maxpacket(umidi->chip->dev, pipe, 1); + buffer = kmalloc(ep->max_transfer, GFP_KERNEL); + if (!buffer) { + snd_usbmidi_out_endpoint_delete(ep); + return -ENOMEM; + } + usb_fill_bulk_urb(ep->urb, umidi->chip->dev, pipe, buffer, + ep->max_transfer, + snd_usb_complete_callback(snd_usbmidi_out_urb_complete), ep); + + spin_lock_init(&ep->buffer_lock); + tasklet_init(&ep->tasklet, snd_usbmidi_out_tasklet, (unsigned long)ep); + + for (i = 0; i < 0x10; ++i) + if (ep_info->out_cables & (1 << i)) { + ep->ports[i].ep = ep; + ep->ports[i].cable = i << 4; + } + + if (umidi->usb_protocol_ops->init_out_endpoint) + umidi->usb_protocol_ops->init_out_endpoint(ep); + + rep->out = ep; + return 0; +} + +/* + * Frees everything. + */ +static void snd_usbmidi_free(snd_usb_midi_t* umidi) +{ + int i; + + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { + snd_usb_midi_endpoint_t* ep = &umidi->endpoints[i]; + if (ep->out) + snd_usbmidi_out_endpoint_delete(ep->out); + if (ep->in) + snd_usbmidi_in_endpoint_delete(ep->in); + } + kfree(umidi); +} + +/* + * Unlinks all URBs (must be done before the usb_device is deleted). + */ +void snd_usbmidi_disconnect(struct list_head* p, struct usb_driver *driver) +{ + snd_usb_midi_t* umidi; + int i; + + umidi = list_entry(p, snd_usb_midi_t, list); + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { + snd_usb_midi_endpoint_t* ep = &umidi->endpoints[i]; + if (ep->out && ep->out->urb) { + usb_kill_urb(ep->out->urb); + if (umidi->usb_protocol_ops->finish_out_endpoint) + umidi->usb_protocol_ops->finish_out_endpoint(ep->out); + } + if (ep->in && ep->in->urb) + usb_kill_urb(ep->in->urb); + } +} + +static void snd_usbmidi_rawmidi_free(snd_rawmidi_t* rmidi) +{ + snd_usb_midi_t* umidi = rmidi->private_data; + snd_usbmidi_free(umidi); +} + +static snd_rawmidi_substream_t* snd_usbmidi_find_substream(snd_usb_midi_t* umidi, + int stream, int number) +{ + struct list_head* list; + + list_for_each(list, &umidi->rmidi->streams[stream].substreams) { + snd_rawmidi_substream_t* substream = list_entry(list, snd_rawmidi_substream_t, list); + if (substream->number == number) + return substream; + } + return NULL; +} + +/* + * This list specifies names for ports that do not fit into the standard + * "(product) MIDI (n)" schema because they aren't external MIDI ports, + * such as internal control or synthesizer ports. + */ +static struct { + __u16 vendor; + __u16 product; + int port; + const char *name_format; +} snd_usbmidi_port_names[] = { + /* Roland UA-100 */ + {0x0582, 0x0000, 2, "%s Control"}, + /* Roland SC-8850 */ + {0x0582, 0x0003, 0, "%s Part A"}, + {0x0582, 0x0003, 1, "%s Part B"}, + {0x0582, 0x0003, 2, "%s Part C"}, + {0x0582, 0x0003, 3, "%s Part D"}, + {0x0582, 0x0003, 4, "%s MIDI 1"}, + {0x0582, 0x0003, 5, "%s MIDI 2"}, + /* Roland U-8 */ + {0x0582, 0x0004, 0, "%s MIDI"}, + {0x0582, 0x0004, 1, "%s Control"}, + /* Roland SC-8820 */ + {0x0582, 0x0007, 0, "%s Part A"}, + {0x0582, 0x0007, 1, "%s Part B"}, + {0x0582, 0x0007, 2, "%s MIDI"}, + /* Roland SK-500 */ + {0x0582, 0x000b, 0, "%s Part A"}, + {0x0582, 0x000b, 1, "%s Part B"}, + {0x0582, 0x000b, 2, "%s MIDI"}, + /* Roland SC-D70 */ + {0x0582, 0x000c, 0, "%s Part A"}, + {0x0582, 0x000c, 1, "%s Part B"}, + {0x0582, 0x000c, 2, "%s MIDI"}, + /* Edirol UM-880 */ + {0x0582, 0x0014, 8, "%s Control"}, + /* Edirol SD-90 */ + {0x0582, 0x0016, 0, "%s Part A"}, + {0x0582, 0x0016, 1, "%s Part B"}, + {0x0582, 0x0016, 2, "%s MIDI 1"}, + {0x0582, 0x0016, 3, "%s MIDI 2"}, + /* Edirol UM-550 */ + {0x0582, 0x0023, 5, "%s Control"}, + /* Edirol SD-20 */ + {0x0582, 0x0027, 0, "%s Part A"}, + {0x0582, 0x0027, 1, "%s Part B"}, + {0x0582, 0x0027, 2, "%s MIDI"}, + /* Edirol SD-80 */ + {0x0582, 0x0029, 0, "%s Part A"}, + {0x0582, 0x0029, 1, "%s Part B"}, + {0x0582, 0x0029, 2, "%s MIDI 1"}, + {0x0582, 0x0029, 3, "%s MIDI 2"}, + /* Edirol UA-700 */ + {0x0582, 0x002b, 0, "%s MIDI"}, + {0x0582, 0x002b, 1, "%s Control"}, + /* Roland VariOS */ + {0x0582, 0x002f, 0, "%s MIDI"}, + {0x0582, 0x002f, 1, "%s External MIDI"}, + {0x0582, 0x002f, 2, "%s Sync"}, + /* Edirol PCR */ + {0x0582, 0x0033, 0, "%s MIDI"}, + {0x0582, 0x0033, 1, "%s 1"}, + {0x0582, 0x0033, 2, "%s 2"}, + /* BOSS GS-10 */ + {0x0582, 0x003b, 0, "%s MIDI"}, + {0x0582, 0x003b, 1, "%s Control"}, + /* Edirol UA-1000 */ + {0x0582, 0x0044, 0, "%s MIDI"}, + {0x0582, 0x0044, 1, "%s Control"}, + /* Edirol UR-80 */ + {0x0582, 0x0048, 0, "%s MIDI"}, + {0x0582, 0x0048, 1, "%s 1"}, + {0x0582, 0x0048, 2, "%s 2"}, + /* Edirol PCR-A */ + {0x0582, 0x004d, 0, "%s MIDI"}, + {0x0582, 0x004d, 1, "%s 1"}, + {0x0582, 0x004d, 2, "%s 2"}, + /* M-Audio MidiSport 8x8 */ + {0x0763, 0x1031, 8, "%s Control"}, + {0x0763, 0x1033, 8, "%s Control"}, + /* MOTU Fastlane */ + {0x07fd, 0x0001, 0, "%s MIDI A"}, + {0x07fd, 0x0001, 1, "%s MIDI B"}, + /* Emagic Unitor8/AMT8/MT4 */ + {0x086a, 0x0001, 8, "%s Broadcast"}, + {0x086a, 0x0002, 8, "%s Broadcast"}, + {0x086a, 0x0003, 4, "%s Broadcast"}, +}; + +static void snd_usbmidi_init_substream(snd_usb_midi_t* umidi, + int stream, int number, + snd_rawmidi_substream_t** rsubstream) +{ + int i; + __u16 vendor, product; + const char *name_format; + + snd_rawmidi_substream_t* substream = snd_usbmidi_find_substream(umidi, stream, number); + if (!substream) { + snd_printd(KERN_ERR "substream %d:%d not found\n", stream, number); + return; + } + + /* TODO: read port name from jack descriptor */ + name_format = "%s MIDI %d"; + vendor = le16_to_cpu(umidi->chip->dev->descriptor.idVendor); + product = le16_to_cpu(umidi->chip->dev->descriptor.idProduct); + for (i = 0; i < ARRAY_SIZE(snd_usbmidi_port_names); ++i) { + if (snd_usbmidi_port_names[i].vendor == vendor && + snd_usbmidi_port_names[i].product == product && + snd_usbmidi_port_names[i].port == number) { + name_format = snd_usbmidi_port_names[i].name_format; + break; + } + } + snprintf(substream->name, sizeof(substream->name), + name_format, umidi->chip->card->shortname, number + 1); + + *rsubstream = substream; +} + +/* + * Creates the endpoints and their ports. + */ +static int snd_usbmidi_create_endpoints(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* endpoints) +{ + int i, j, err; + int out_ports = 0, in_ports = 0; + + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { + if (endpoints[i].out_cables) { + err = snd_usbmidi_out_endpoint_create(umidi, &endpoints[i], + &umidi->endpoints[i]); + if (err < 0) + return err; + } + if (endpoints[i].in_cables) { + err = snd_usbmidi_in_endpoint_create(umidi, &endpoints[i], + &umidi->endpoints[i]); + if (err < 0) + return err; + } + + for (j = 0; j < 0x10; ++j) { + if (endpoints[i].out_cables & (1 << j)) { + snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_OUTPUT, out_ports, + &umidi->endpoints[i].out->ports[j].substream); + ++out_ports; + } + if (endpoints[i].in_cables & (1 << j)) { + snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_INPUT, in_ports, + &umidi->endpoints[i].in->ports[j].substream); + ++in_ports; + } + } + } + snd_printdd(KERN_INFO "created %d output and %d input ports\n", + out_ports, in_ports); + return 0; +} + +/* + * Returns MIDIStreaming device capabilities. + */ +static int snd_usbmidi_get_ms_info(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* endpoints) +{ + struct usb_interface* intf; + struct usb_host_interface *hostif; + struct usb_interface_descriptor* intfd; + struct usb_ms_header_descriptor* ms_header; + struct usb_host_endpoint *hostep; + struct usb_endpoint_descriptor* ep; + struct usb_ms_endpoint_descriptor* ms_ep; + int i, epidx; + + intf = umidi->iface; + if (!intf) + return -ENXIO; + hostif = &intf->altsetting[0]; + intfd = get_iface_desc(hostif); + ms_header = (struct usb_ms_header_descriptor*)hostif->extra; + if (hostif->extralen >= 7 && + ms_header->bLength >= 7 && + ms_header->bDescriptorType == USB_DT_CS_INTERFACE && + ms_header->bDescriptorSubtype == HEADER) + snd_printdd(KERN_INFO "MIDIStreaming version %02x.%02x\n", + ms_header->bcdMSC[1], ms_header->bcdMSC[0]); + else + snd_printk(KERN_WARNING "MIDIStreaming interface descriptor not found\n"); + + epidx = 0; + for (i = 0; i < intfd->bNumEndpoints; ++i) { + hostep = &hostif->endpoint[i]; + ep = get_ep_desc(hostep); + if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK && + (ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + continue; + ms_ep = (struct usb_ms_endpoint_descriptor*)hostep->extra; + if (hostep->extralen < 4 || + ms_ep->bLength < 4 || + ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT || + ms_ep->bDescriptorSubtype != MS_GENERAL) + continue; + if ((ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { + if (endpoints[epidx].out_ep) { + if (++epidx >= MIDI_MAX_ENDPOINTS) { + snd_printk(KERN_WARNING "too many endpoints\n"); + break; + } + } + endpoints[epidx].out_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoints[epidx].out_interval = ep->bInterval; + endpoints[epidx].out_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1; + snd_printdd(KERN_INFO "EP %02X: %d jack(s)\n", + ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack); + } else { + if (endpoints[epidx].in_ep) { + if (++epidx >= MIDI_MAX_ENDPOINTS) { + snd_printk(KERN_WARNING "too many endpoints\n"); + break; + } + } + endpoints[epidx].in_ep = ep->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + if ((ep->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoints[epidx].in_interval = ep->bInterval; + endpoints[epidx].in_cables = (1 << ms_ep->bNumEmbMIDIJack) - 1; + snd_printdd(KERN_INFO "EP %02X: %d jack(s)\n", + ep->bEndpointAddress, ms_ep->bNumEmbMIDIJack); + } + } + return 0; +} + +/* + * On Roland devices, use the second alternate setting to be able to use + * the interrupt input endpoint. + */ +static void snd_usbmidi_switch_roland_altsetting(snd_usb_midi_t* umidi) +{ + struct usb_interface* intf; + struct usb_host_interface *hostif; + struct usb_interface_descriptor* intfd; + + intf = umidi->iface; + if (!intf || intf->num_altsetting != 2) + return; + + hostif = &intf->altsetting[1]; + intfd = get_iface_desc(hostif); + if (intfd->bNumEndpoints != 2 || + (get_endpoint(hostif, 0)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK || + (get_endpoint(hostif, 1)->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + return; + + snd_printdd(KERN_INFO "switching to altsetting %d with int ep\n", + intfd->bAlternateSetting); + usb_set_interface(umidi->chip->dev, intfd->bInterfaceNumber, + intfd->bAlternateSetting); +} + +/* + * Try to find any usable endpoints in the interface. + */ +static int snd_usbmidi_detect_endpoints(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* endpoint, + int max_endpoints) +{ + struct usb_interface* intf; + struct usb_host_interface *hostif; + struct usb_interface_descriptor* intfd; + struct usb_endpoint_descriptor* epd; + int i, out_eps = 0, in_eps = 0; + + if (le16_to_cpu(umidi->chip->dev->descriptor.idVendor) == 0x0582) + snd_usbmidi_switch_roland_altsetting(umidi); + + intf = umidi->iface; + if (!intf || intf->num_altsetting < 1) + return -ENOENT; + hostif = intf->cur_altsetting; + intfd = get_iface_desc(hostif); + + for (i = 0; i < intfd->bNumEndpoints; ++i) { + epd = get_endpoint(hostif, i); + if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK && + (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) + continue; + if (out_eps < max_endpoints && + (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) { + endpoint[out_eps].out_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoint[out_eps].out_interval = epd->bInterval; + ++out_eps; + } + if (in_eps < max_endpoints && + (epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) { + endpoint[in_eps].in_ep = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + if ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) + endpoint[in_eps].in_interval = epd->bInterval; + ++in_eps; + } + } + return (out_eps || in_eps) ? 0 : -ENOENT; +} + +/* + * Detects the endpoints for one-port-per-endpoint protocols. + */ +static int snd_usbmidi_detect_per_port_endpoints(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* endpoints) +{ + int err, i; + + err = snd_usbmidi_detect_endpoints(umidi, endpoints, MIDI_MAX_ENDPOINTS); + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { + if (endpoints[i].out_ep) + endpoints[i].out_cables = 0x0001; + if (endpoints[i].in_ep) + endpoints[i].in_cables = 0x0001; + } + return err; +} + +/* + * Detects the endpoints and ports of Yamaha devices. + */ +static int snd_usbmidi_detect_yamaha(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* endpoint) +{ + struct usb_interface* intf; + struct usb_host_interface *hostif; + struct usb_interface_descriptor* intfd; + uint8_t* cs_desc; + + intf = umidi->iface; + if (!intf) + return -ENOENT; + hostif = intf->altsetting; + intfd = get_iface_desc(hostif); + if (intfd->bNumEndpoints < 1) + return -ENOENT; + + /* + * For each port there is one MIDI_IN/OUT_JACK descriptor, not + * necessarily with any useful contents. So simply count 'em. + */ + for (cs_desc = hostif->extra; + cs_desc < hostif->extra + hostif->extralen && cs_desc[0] >= 2; + cs_desc += cs_desc[0]) { + if (cs_desc[1] == CS_AUDIO_INTERFACE) { + if (cs_desc[2] == MIDI_IN_JACK) + endpoint->in_cables = (endpoint->in_cables << 1) | 1; + else if (cs_desc[2] == MIDI_OUT_JACK) + endpoint->out_cables = (endpoint->out_cables << 1) | 1; + } + } + if (!endpoint->in_cables && !endpoint->out_cables) + return -ENOENT; + + return snd_usbmidi_detect_endpoints(umidi, endpoint, 1); +} + +/* + * Creates the endpoints and their ports for Midiman devices. + */ +static int snd_usbmidi_create_endpoints_midiman(snd_usb_midi_t* umidi, + snd_usb_midi_endpoint_info_t* endpoint) +{ + snd_usb_midi_endpoint_info_t ep_info; + struct usb_interface* intf; + struct usb_host_interface *hostif; + struct usb_interface_descriptor* intfd; + struct usb_endpoint_descriptor* epd; + int cable, err; + + intf = umidi->iface; + if (!intf) + return -ENOENT; + hostif = intf->altsetting; + intfd = get_iface_desc(hostif); + /* + * The various MidiSport devices have more or less random endpoint + * numbers, so we have to identify the endpoints by their index in + * the descriptor array, like the driver for that other OS does. + * + * There is one interrupt input endpoint for all input ports, one + * bulk output endpoint for even-numbered ports, and one for odd- + * numbered ports. Both bulk output endpoints have corresponding + * input bulk endpoints (at indices 1 and 3) which aren't used. + */ + if (intfd->bNumEndpoints < (endpoint->out_cables > 0x0001 ? 5 : 3)) { + snd_printdd(KERN_ERR "not enough endpoints\n"); + return -ENOENT; + } + + epd = get_endpoint(hostif, 0); + if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN || + (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) { + snd_printdd(KERN_ERR "endpoint[0] isn't interrupt\n"); + return -ENXIO; + } + epd = get_endpoint(hostif, 2); + if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT || + (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) { + snd_printdd(KERN_ERR "endpoint[2] isn't bulk output\n"); + return -ENXIO; + } + if (endpoint->out_cables > 0x0001) { + epd = get_endpoint(hostif, 4); + if ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_OUT || + (epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_BULK) { + snd_printdd(KERN_ERR "endpoint[4] isn't bulk output\n"); + return -ENXIO; + } + } + + ep_info.out_ep = get_endpoint(hostif, 2)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + ep_info.out_cables = endpoint->out_cables & 0x5555; + err = snd_usbmidi_out_endpoint_create(umidi, &ep_info, &umidi->endpoints[0]); + if (err < 0) + return err; + + ep_info.in_ep = get_endpoint(hostif, 0)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + ep_info.in_interval = get_endpoint(hostif, 0)->bInterval; + ep_info.in_cables = endpoint->in_cables; + err = snd_usbmidi_in_endpoint_create(umidi, &ep_info, &umidi->endpoints[0]); + if (err < 0) + return err; + + if (endpoint->out_cables > 0x0001) { + ep_info.out_ep = get_endpoint(hostif, 4)->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; + ep_info.out_cables = endpoint->out_cables & 0xaaaa; + err = snd_usbmidi_out_endpoint_create(umidi, &ep_info, &umidi->endpoints[1]); + if (err < 0) + return err; + } + + for (cable = 0; cable < 0x10; ++cable) { + if (endpoint->out_cables & (1 << cable)) + snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_OUTPUT, cable, + &umidi->endpoints[cable & 1].out->ports[cable].substream); + if (endpoint->in_cables & (1 << cable)) + snd_usbmidi_init_substream(umidi, SNDRV_RAWMIDI_STREAM_INPUT, cable, + &umidi->endpoints[0].in->ports[cable].substream); + } + return 0; +} + +static int snd_usbmidi_create_rawmidi(snd_usb_midi_t* umidi, + int out_ports, int in_ports) +{ + snd_rawmidi_t* rmidi; + int err; + + err = snd_rawmidi_new(umidi->chip->card, "USB MIDI", + umidi->chip->next_midi_device++, + out_ports, in_ports, &rmidi); + if (err < 0) + return err; + strcpy(rmidi->name, umidi->chip->card->shortname); + rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT | + SNDRV_RAWMIDI_INFO_INPUT | + SNDRV_RAWMIDI_INFO_DUPLEX; + rmidi->private_data = umidi; + rmidi->private_free = snd_usbmidi_rawmidi_free; + snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_usbmidi_output_ops); + snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_usbmidi_input_ops); + + umidi->rmidi = rmidi; + return 0; +} + +/* + * Temporarily stop input. + */ +void snd_usbmidi_input_stop(struct list_head* p) +{ + snd_usb_midi_t* umidi; + int i; + + umidi = list_entry(p, snd_usb_midi_t, list); + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { + snd_usb_midi_endpoint_t* ep = &umidi->endpoints[i]; + if (ep->in) + usb_kill_urb(ep->in->urb); + } +} + +static void snd_usbmidi_input_start_ep(snd_usb_midi_in_endpoint_t* ep) +{ + if (ep) { + struct urb* urb = ep->urb; + urb->dev = ep->umidi->chip->dev; + snd_usbmidi_submit_urb(urb, GFP_KERNEL); + } +} + +/* + * Resume input after a call to snd_usbmidi_input_stop(). + */ +void snd_usbmidi_input_start(struct list_head* p) +{ + snd_usb_midi_t* umidi; + int i; + + umidi = list_entry(p, snd_usb_midi_t, list); + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) + snd_usbmidi_input_start_ep(umidi->endpoints[i].in); +} + +/* + * Creates and registers everything needed for a MIDI streaming interface. + */ +int snd_usb_create_midi_interface(snd_usb_audio_t* chip, + struct usb_interface* iface, + const snd_usb_audio_quirk_t* quirk) +{ + snd_usb_midi_t* umidi; + snd_usb_midi_endpoint_info_t endpoints[MIDI_MAX_ENDPOINTS]; + int out_ports, in_ports; + int i, err; + + umidi = kcalloc(1, sizeof(*umidi), GFP_KERNEL); + if (!umidi) + return -ENOMEM; + umidi->chip = chip; + umidi->iface = iface; + umidi->quirk = quirk; + umidi->usb_protocol_ops = &snd_usbmidi_standard_ops; + + /* detect the endpoint(s) to use */ + memset(endpoints, 0, sizeof(endpoints)); + if (!quirk) { + err = snd_usbmidi_get_ms_info(umidi, endpoints); + } else { + switch (quirk->type) { + case QUIRK_MIDI_FIXED_ENDPOINT: + memcpy(&endpoints[0], quirk->data, + sizeof(snd_usb_midi_endpoint_info_t)); + err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1); + break; + case QUIRK_MIDI_YAMAHA: + err = snd_usbmidi_detect_yamaha(umidi, &endpoints[0]); + break; + case QUIRK_MIDI_MIDIMAN: + umidi->usb_protocol_ops = &snd_usbmidi_midiman_ops; + memcpy(&endpoints[0], quirk->data, + sizeof(snd_usb_midi_endpoint_info_t)); + err = 0; + break; + case QUIRK_MIDI_NOVATION: + umidi->usb_protocol_ops = &snd_usbmidi_novation_ops; + err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints); + break; + case QUIRK_MIDI_MOTU: + umidi->usb_protocol_ops = &snd_usbmidi_motu_ops; + err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints); + break; + case QUIRK_MIDI_EMAGIC: + umidi->usb_protocol_ops = &snd_usbmidi_emagic_ops; + memcpy(&endpoints[0], quirk->data, + sizeof(snd_usb_midi_endpoint_info_t)); + err = snd_usbmidi_detect_endpoints(umidi, &endpoints[0], 1); + break; + default: + snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); + err = -ENXIO; + break; + } + } + if (err < 0) { + kfree(umidi); + return err; + } + + /* create rawmidi device */ + out_ports = 0; + in_ports = 0; + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) { + out_ports += snd_usbmidi_count_bits(endpoints[i].out_cables); + in_ports += snd_usbmidi_count_bits(endpoints[i].in_cables); + } + err = snd_usbmidi_create_rawmidi(umidi, out_ports, in_ports); + if (err < 0) { + kfree(umidi); + return err; + } + + /* create endpoint/port structures */ + if (quirk && quirk->type == QUIRK_MIDI_MIDIMAN) + err = snd_usbmidi_create_endpoints_midiman(umidi, &endpoints[0]); + else + err = snd_usbmidi_create_endpoints(umidi, endpoints); + if (err < 0) { + snd_usbmidi_free(umidi); + return err; + } + + list_add(&umidi->list, &umidi->chip->midi_list); + + for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) + snd_usbmidi_input_start_ep(umidi->endpoints[i].in); + return 0; +} + +EXPORT_SYMBOL(snd_usb_create_midi_interface); +EXPORT_SYMBOL(snd_usbmidi_input_stop); +EXPORT_SYMBOL(snd_usbmidi_input_start); +EXPORT_SYMBOL(snd_usbmidi_disconnect); diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c new file mode 100644 index 000000000000..5f1906915aa6 --- /dev/null +++ b/sound/usb/usbmixer.c @@ -0,0 +1,1545 @@ +/* + * (Tentative) USB Audio Driver for ALSA + * + * Mixer control part + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * Many codes borrowed from audio.c by + * Alan Cox (alan@lxorguk.ukuu.org.uk) + * Thomas Sailer (sailer@ife.ee.ethz.ch) + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <sound/driver.h> +#include <linux/bitops.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/usb.h> +#include <sound/core.h> +#include <sound/control.h> + +#include "usbaudio.h" + + +/* + */ + +/* ignore error from controls - for debugging */ +/* #define IGNORE_CTL_ERROR */ + +typedef struct usb_mixer_build mixer_build_t; +typedef struct usb_audio_term usb_audio_term_t; +typedef struct usb_mixer_elem_info usb_mixer_elem_info_t; + + +struct usb_audio_term { + int id; + int type; + int channels; + unsigned int chconfig; + int name; +}; + +struct usbmix_name_map; + +struct usb_mixer_build { + snd_usb_audio_t *chip; + unsigned char *buffer; + unsigned int buflen; + unsigned int ctrlif; + unsigned short vendor; + unsigned short product; + DECLARE_BITMAP(unitbitmap, 32*32); + usb_audio_term_t oterm; + const struct usbmix_name_map *map; +}; + +struct usb_mixer_elem_info { + snd_usb_audio_t *chip; + unsigned int ctrlif; + unsigned int id; + unsigned int control; /* CS or ICN (high byte) */ + unsigned int cmask; /* channel mask bitmap: 0 = master */ + int channels; + int val_type; + int min, max, res; + unsigned int initialized: 1; +}; + + +enum { + USB_FEATURE_NONE = 0, + USB_FEATURE_MUTE = 1, + USB_FEATURE_VOLUME, + USB_FEATURE_BASS, + USB_FEATURE_MID, + USB_FEATURE_TREBLE, + USB_FEATURE_GEQ, + USB_FEATURE_AGC, + USB_FEATURE_DELAY, + USB_FEATURE_BASSBOOST, + USB_FEATURE_LOUDNESS +}; + +enum { + USB_MIXER_BOOLEAN, + USB_MIXER_INV_BOOLEAN, + USB_MIXER_S8, + USB_MIXER_U8, + USB_MIXER_S16, + USB_MIXER_U16, +}; + +enum { + USB_PROC_UPDOWN = 1, + USB_PROC_UPDOWN_SWITCH = 1, + USB_PROC_UPDOWN_MODE_SEL = 2, + + USB_PROC_PROLOGIC = 2, + USB_PROC_PROLOGIC_SWITCH = 1, + USB_PROC_PROLOGIC_MODE_SEL = 2, + + USB_PROC_3DENH = 3, + USB_PROC_3DENH_SWITCH = 1, + USB_PROC_3DENH_SPACE = 2, + + USB_PROC_REVERB = 4, + USB_PROC_REVERB_SWITCH = 1, + USB_PROC_REVERB_LEVEL = 2, + USB_PROC_REVERB_TIME = 3, + USB_PROC_REVERB_DELAY = 4, + + USB_PROC_CHORUS = 5, + USB_PROC_CHORUS_SWITCH = 1, + USB_PROC_CHORUS_LEVEL = 2, + USB_PROC_CHORUS_RATE = 3, + USB_PROC_CHORUS_DEPTH = 4, + + USB_PROC_DCR = 6, + USB_PROC_DCR_SWITCH = 1, + USB_PROC_DCR_RATIO = 2, + USB_PROC_DCR_MAX_AMP = 3, + USB_PROC_DCR_THRESHOLD = 4, + USB_PROC_DCR_ATTACK = 5, + USB_PROC_DCR_RELEASE = 6, +}; + +#define MAX_CHANNELS 10 /* max logical channels */ + + +/* + * manual mapping of mixer names + * if the mixer topology is too complicated and the parsed names are + * ambiguous, add the entries in usbmixer_maps.c. + */ +#include "usbmixer_maps.c" + +/* get the mapped name if the unit matches */ +static int check_mapped_name(mixer_build_t *state, int unitid, int control, char *buf, int buflen) +{ + const struct usbmix_name_map *p; + + if (! state->map) + return 0; + + for (p = state->map; p->id; p++) { + if (p->id == unitid && p->name && + (! control || ! p->control || control == p->control)) { + buflen--; + return strlcpy(buf, p->name, buflen); + } + } + return 0; +} + +/* check whether the control should be ignored */ +static int check_ignored_ctl(mixer_build_t *state, int unitid, int control) +{ + const struct usbmix_name_map *p; + + if (! state->map) + return 0; + for (p = state->map; p->id; p++) { + if (p->id == unitid && ! p->name && + (! control || ! p->control || control == p->control)) { + // printk("ignored control %d:%d\n", unitid, control); + return 1; + } + } + return 0; +} + +/* + * find an audio control unit with the given unit id + */ +static void *find_audio_control_unit(mixer_build_t *state, unsigned char unit) +{ + unsigned char *p; + + p = NULL; + while ((p = snd_usb_find_desc(state->buffer, state->buflen, p, + USB_DT_CS_INTERFACE)) != NULL) { + if (p[0] >= 4 && p[2] >= INPUT_TERMINAL && p[2] <= EXTENSION_UNIT && p[3] == unit) + return p; + } + return NULL; +} + + +/* + * copy a string with the given id + */ +static int snd_usb_copy_string_desc(mixer_build_t *state, int index, char *buf, int maxlen) +{ + int len = usb_string(state->chip->dev, index, buf, maxlen - 1); + buf[len] = 0; + return len; +} + +/* + * convert from the byte/word on usb descriptor to the zero-based integer + */ +static int convert_signed_value(usb_mixer_elem_info_t *cval, int val) +{ + switch (cval->val_type) { + case USB_MIXER_BOOLEAN: + return !!val; + case USB_MIXER_INV_BOOLEAN: + return !val; + case USB_MIXER_U8: + val &= 0xff; + break; + case USB_MIXER_S8: + val &= 0xff; + if (val >= 0x80) + val -= 0x100; + break; + case USB_MIXER_U16: + val &= 0xffff; + break; + case USB_MIXER_S16: + val &= 0xffff; + if (val >= 0x8000) + val -= 0x10000; + break; + } + return val; +} + +/* + * convert from the zero-based int to the byte/word for usb descriptor + */ +static int convert_bytes_value(usb_mixer_elem_info_t *cval, int val) +{ + switch (cval->val_type) { + case USB_MIXER_BOOLEAN: + return !!val; + case USB_MIXER_INV_BOOLEAN: + return !val; + case USB_MIXER_S8: + case USB_MIXER_U8: + return val & 0xff; + case USB_MIXER_S16: + case USB_MIXER_U16: + return val & 0xffff; + } + return 0; /* not reached */ +} + +static int get_relative_value(usb_mixer_elem_info_t *cval, int val) +{ + if (! cval->res) + cval->res = 1; + if (val < cval->min) + return 0; + else if (val > cval->max) + return (cval->max - cval->min) / cval->res; + else + return (val - cval->min) / cval->res; +} + +static int get_abs_value(usb_mixer_elem_info_t *cval, int val) +{ + if (val < 0) + return cval->min; + if (! cval->res) + cval->res = 1; + val *= cval->res; + val += cval->min; + if (val > cval->max) + return cval->max; + return val; +} + + +/* + * retrieve a mixer value + */ + +static int get_ctl_value(usb_mixer_elem_info_t *cval, int request, int validx, int *value_ret) +{ + unsigned char buf[2]; + int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; + int timeout = 10; + + while (timeout-- > 0) { + if (snd_usb_ctl_msg(cval->chip->dev, usb_rcvctrlpipe(cval->chip->dev, 0), + request, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, + validx, cval->ctrlif | (cval->id << 8), + buf, val_len, 100) >= 0) { + *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); + return 0; + } + } + snd_printdd(KERN_ERR "cannot get ctl value: req = 0x%x, wValue = 0x%x, wIndex = 0x%x, type = %d\n", request, validx, cval->ctrlif | (cval->id << 8), cval->val_type); + return -EINVAL; +} + +static int get_cur_ctl_value(usb_mixer_elem_info_t *cval, int validx, int *value) +{ + return get_ctl_value(cval, GET_CUR, validx, value); +} + +/* channel = 0: master, 1 = first channel */ +inline static int get_cur_mix_value(usb_mixer_elem_info_t *cval, int channel, int *value) +{ + return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value); +} + +/* + * set a mixer value + */ + +static int set_ctl_value(usb_mixer_elem_info_t *cval, int request, int validx, int value_set) +{ + unsigned char buf[2]; + int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; + int timeout = 10; + + value_set = convert_bytes_value(cval, value_set); + buf[0] = value_set & 0xff; + buf[1] = (value_set >> 8) & 0xff; + while (timeout -- > 0) + if (snd_usb_ctl_msg(cval->chip->dev, usb_sndctrlpipe(cval->chip->dev, 0), + request, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, + validx, cval->ctrlif | (cval->id << 8), + buf, val_len, 100) >= 0) + return 0; + snd_printdd(KERN_ERR "cannot set ctl value: req = 0x%x, wValue = 0x%x, wIndex = 0x%x, type = %d, data = 0x%x/0x%x\n", request, validx, cval->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]); + return -EINVAL; +} + +static int set_cur_ctl_value(usb_mixer_elem_info_t *cval, int validx, int value) +{ + return set_ctl_value(cval, SET_CUR, validx, value); +} + +inline static int set_cur_mix_value(usb_mixer_elem_info_t *cval, int channel, int value) +{ + return set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, value); +} + + +/* + * parser routines begin here... + */ + +static int parse_audio_unit(mixer_build_t *state, int unitid); + + +/* + * check if the input/output channel routing is enabled on the given bitmap. + * used for mixer unit parser + */ +static int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_outs) +{ + int idx = ich * num_outs + och; + return bmap[idx >> 3] & (0x80 >> (idx & 7)); +} + + +/* + * add an alsa control element + * search and increment the index until an empty slot is found. + * + * if failed, give up and free the control instance. + */ + +static int add_control_to_empty(snd_card_t *card, snd_kcontrol_t *kctl) +{ + int err; + while (snd_ctl_find_id(card, &kctl->id)) + kctl->id.index++; + if ((err = snd_ctl_add(card, kctl)) < 0) { + snd_printd(KERN_ERR "cannot add control (err = %d)\n", err); + snd_ctl_free_one(kctl); + } + return err; +} + + +/* + * get a terminal name string + */ + +static struct iterm_name_combo { + int type; + char *name; +} iterm_names[] = { + { 0x0300, "Output" }, + { 0x0301, "Speaker" }, + { 0x0302, "Headphone" }, + { 0x0303, "HMD Audio" }, + { 0x0304, "Desktop Speaker" }, + { 0x0305, "Room Speaker" }, + { 0x0306, "Com Speaker" }, + { 0x0307, "LFE" }, + { 0x0600, "External In" }, + { 0x0601, "Analog In" }, + { 0x0602, "Digital In" }, + { 0x0603, "Line" }, + { 0x0604, "Legacy In" }, + { 0x0605, "IEC958 In" }, + { 0x0606, "1394 DA Stream" }, + { 0x0607, "1394 DV Stream" }, + { 0x0700, "Embedded" }, + { 0x0701, "Noise Source" }, + { 0x0702, "Equalization Noise" }, + { 0x0703, "CD" }, + { 0x0704, "DAT" }, + { 0x0705, "DCC" }, + { 0x0706, "MiniDisk" }, + { 0x0707, "Analog Tape" }, + { 0x0708, "Phonograph" }, + { 0x0709, "VCR Audio" }, + { 0x070a, "Video Disk Audio" }, + { 0x070b, "DVD Audio" }, + { 0x070c, "TV Tuner Audio" }, + { 0x070d, "Satellite Rec Audio" }, + { 0x070e, "Cable Tuner Audio" }, + { 0x070f, "DSS Audio" }, + { 0x0710, "Radio Receiver" }, + { 0x0711, "Radio Transmitter" }, + { 0x0712, "Multi-Track Recorder" }, + { 0x0713, "Synthesizer" }, + { 0 }, +}; + +static int get_term_name(mixer_build_t *state, usb_audio_term_t *iterm, + unsigned char *name, int maxlen, int term_only) +{ + struct iterm_name_combo *names; + + if (iterm->name) + return snd_usb_copy_string_desc(state, iterm->name, name, maxlen); + + /* virtual type - not a real terminal */ + if (iterm->type >> 16) { + if (term_only) + return 0; + switch (iterm->type >> 16) { + case SELECTOR_UNIT: + strcpy(name, "Selector"); return 8; + case PROCESSING_UNIT: + strcpy(name, "Process Unit"); return 12; + case EXTENSION_UNIT: + strcpy(name, "Ext Unit"); return 8; + case MIXER_UNIT: + strcpy(name, "Mixer"); return 5; + default: + return sprintf(name, "Unit %d", iterm->id); + } + } + + switch (iterm->type & 0xff00) { + case 0x0100: + strcpy(name, "PCM"); return 3; + case 0x0200: + strcpy(name, "Mic"); return 3; + case 0x0400: + strcpy(name, "Headset"); return 7; + case 0x0500: + strcpy(name, "Phone"); return 5; + } + + for (names = iterm_names; names->type; names++) + if (names->type == iterm->type) { + strcpy(name, names->name); + return strlen(names->name); + } + return 0; +} + + +/* + * parse the source unit recursively until it reaches to a terminal + * or a branched unit. + */ +static int check_input_term(mixer_build_t *state, int id, usb_audio_term_t *term) +{ + unsigned char *p1; + + memset(term, 0, sizeof(*term)); + while ((p1 = find_audio_control_unit(state, id)) != NULL) { + term->id = id; + switch (p1[2]) { + case INPUT_TERMINAL: + term->type = combine_word(p1 + 4); + term->channels = p1[7]; + term->chconfig = combine_word(p1 + 8); + term->name = p1[11]; + return 0; + case FEATURE_UNIT: + id = p1[4]; + break; /* continue to parse */ + case MIXER_UNIT: + term->type = p1[2] << 16; /* virtual type */ + term->channels = p1[5 + p1[4]]; + term->chconfig = combine_word(p1 + 6 + p1[4]); + term->name = p1[p1[0] - 1]; + return 0; + case SELECTOR_UNIT: + /* call recursively to retrieve the channel info */ + if (check_input_term(state, p1[5], term) < 0) + return -ENODEV; + term->type = p1[2] << 16; /* virtual type */ + term->id = id; + term->name = p1[9 + p1[0] - 1]; + return 0; + case PROCESSING_UNIT: + case EXTENSION_UNIT: + if (p1[6] == 1) { + id = p1[7]; + break; /* continue to parse */ + } + term->type = p1[2] << 16; /* virtual type */ + term->channels = p1[7 + p1[6]]; + term->chconfig = combine_word(p1 + 8 + p1[6]); + term->name = p1[12 + p1[6] + p1[11 + p1[6]]]; + return 0; + default: + return -ENODEV; + } + } + return -ENODEV; +} + + +/* + * Feature Unit + */ + +/* feature unit control information */ +struct usb_feature_control_info { + const char *name; + unsigned int type; /* control type (mute, volume, etc.) */ +}; + +static struct usb_feature_control_info audio_feature_info[] = { + { "Mute", USB_MIXER_INV_BOOLEAN }, + { "Volume", USB_MIXER_S16 }, + { "Tone Control - Bass", USB_MIXER_S8 }, + { "Tone Control - Mid", USB_MIXER_S8 }, + { "Tone Control - Treble", USB_MIXER_S8 }, + { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */ + { "Auto Gain Control", USB_MIXER_BOOLEAN }, + { "Delay Control", USB_MIXER_U16 }, + { "Bass Boost", USB_MIXER_BOOLEAN }, + { "Loudness", USB_MIXER_BOOLEAN }, +}; + + +/* private_free callback */ +static void usb_mixer_elem_free(snd_kcontrol_t *kctl) +{ + if (kctl->private_data) { + kfree(kctl->private_data); + kctl->private_data = NULL; + } +} + + +/* + * interface to ALSA control for feature/mixer units + */ + +/* + * retrieve the minimum and maximum values for the specified control + */ +static int get_min_max(usb_mixer_elem_info_t *cval, int default_min) +{ + /* for failsafe */ + cval->min = default_min; + cval->max = cval->min + 1; + cval->res = 1; + + if (cval->val_type == USB_MIXER_BOOLEAN || + cval->val_type == USB_MIXER_INV_BOOLEAN) { + cval->initialized = 1; + } else { + int minchn = 0; + if (cval->cmask) { + int i; + for (i = 0; i < MAX_CHANNELS; i++) + if (cval->cmask & (1 << i)) { + minchn = i + 1; + break; + } + } + if (get_ctl_value(cval, GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || + get_ctl_value(cval, GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { + snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n", cval->id, cval->ctrlif, cval->control, cval->id); + return -EINVAL; + } + if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) { + cval->res = 1; + } else { + int last_valid_res = cval->res; + + while (cval->res > 1) { + if (set_ctl_value(cval, SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0) + break; + cval->res /= 2; + } + if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) + cval->res = last_valid_res; + } + if (cval->res == 0) + cval->res = 1; + cval->initialized = 1; + } + return 0; +} + + +/* get a feature/mixer unit info */ +static int mixer_ctl_feature_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + + if (cval->val_type == USB_MIXER_BOOLEAN || + cval->val_type == USB_MIXER_INV_BOOLEAN) + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + else + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = cval->channels; + if (cval->val_type == USB_MIXER_BOOLEAN || + cval->val_type == USB_MIXER_INV_BOOLEAN) { + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + } else { + if (! cval->initialized) + get_min_max(cval, 0); + uinfo->value.integer.min = 0; + uinfo->value.integer.max = (cval->max - cval->min) / cval->res; + } + return 0; +} + +/* get the current value from feature/mixer unit */ +static int mixer_ctl_feature_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + int c, cnt, val, err; + + if (cval->cmask) { + cnt = 0; + for (c = 0; c < MAX_CHANNELS; c++) { + if (cval->cmask & (1 << c)) { + err = get_cur_mix_value(cval, c + 1, &val); + if (err < 0) { + if (cval->chip->ignore_ctl_error) { + ucontrol->value.integer.value[0] = cval->min; + return 0; + } + snd_printd(KERN_ERR "cannot get current value for control %d ch %d: err = %d\n", cval->control, c + 1, err); + return err; + } + val = get_relative_value(cval, val); + ucontrol->value.integer.value[cnt] = val; + cnt++; + } + } + } else { + /* master channel */ + err = get_cur_mix_value(cval, 0, &val); + if (err < 0) { + if (cval->chip->ignore_ctl_error) { + ucontrol->value.integer.value[0] = cval->min; + return 0; + } + snd_printd(KERN_ERR "cannot get current value for control %d master ch: err = %d\n", cval->control, err); + return err; + } + val = get_relative_value(cval, val); + ucontrol->value.integer.value[0] = val; + } + return 0; +} + +/* put the current value to feature/mixer unit */ +static int mixer_ctl_feature_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + int c, cnt, val, oval, err; + int changed = 0; + + if (cval->cmask) { + cnt = 0; + for (c = 0; c < MAX_CHANNELS; c++) { + if (cval->cmask & (1 << c)) { + err = get_cur_mix_value(cval, c + 1, &oval); + if (err < 0) { + if (cval->chip->ignore_ctl_error) + return 0; + return err; + } + val = ucontrol->value.integer.value[cnt]; + val = get_abs_value(cval, val); + if (oval != val) { + set_cur_mix_value(cval, c + 1, val); + changed = 1; + } + get_cur_mix_value(cval, c + 1, &val); + cnt++; + } + } + } else { + /* master channel */ + err = get_cur_mix_value(cval, 0, &oval); + if (err < 0 && cval->chip->ignore_ctl_error) + return 0; + if (err < 0) + return err; + val = ucontrol->value.integer.value[0]; + val = get_abs_value(cval, val); + if (val != oval) { + set_cur_mix_value(cval, 0, val); + changed = 1; + } + } + return changed; +} + +static snd_kcontrol_new_t usb_feature_unit_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", /* will be filled later manually */ + .info = mixer_ctl_feature_info, + .get = mixer_ctl_feature_get, + .put = mixer_ctl_feature_put, +}; + + +/* + * build a feature control + */ + +static void build_feature_ctl(mixer_build_t *state, unsigned char *desc, + unsigned int ctl_mask, int control, + usb_audio_term_t *iterm, int unitid) +{ + unsigned int len = 0; + int mapped_name = 0; + int nameid = desc[desc[0] - 1]; + snd_kcontrol_t *kctl; + usb_mixer_elem_info_t *cval; + + control++; /* change from zero-based to 1-based value */ + + if (control == USB_FEATURE_GEQ) { + /* FIXME: not supported yet */ + return; + } + + if (check_ignored_ctl(state, unitid, control)) + return; + + cval = kcalloc(1, sizeof(*cval), GFP_KERNEL); + if (! cval) { + snd_printk(KERN_ERR "cannot malloc kcontrol\n"); + return; + } + cval->chip = state->chip; + cval->ctrlif = state->ctrlif; + cval->id = unitid; + cval->control = control; + cval->cmask = ctl_mask; + cval->val_type = audio_feature_info[control-1].type; + if (ctl_mask == 0) + cval->channels = 1; /* master channel */ + else { + int i, c = 0; + for (i = 0; i < 16; i++) + if (ctl_mask & (1 << i)) + c++; + cval->channels = c; + } + + /* get min/max values */ + get_min_max(cval, 0); + + kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); + if (! kctl) { + snd_printk(KERN_ERR "cannot malloc kcontrol\n"); + kfree(cval); + return; + } + kctl->private_free = usb_mixer_elem_free; + + len = check_mapped_name(state, unitid, control, kctl->id.name, sizeof(kctl->id.name)); + mapped_name = len != 0; + if (! len && nameid) + len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); + + switch (control) { + case USB_FEATURE_MUTE: + case USB_FEATURE_VOLUME: + /* determine the control name. the rule is: + * - if a name id is given in descriptor, use it. + * - if the connected input can be determined, then use the name + * of terminal type. + * - if the connected output can be determined, use it. + * - otherwise, anonymous name. + */ + if (! len) { + len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 1); + if (! len) + len = get_term_name(state, &state->oterm, kctl->id.name, sizeof(kctl->id.name), 1); + if (! len) + len = snprintf(kctl->id.name, sizeof(kctl->id.name), + "Feature %d", unitid); + } + /* determine the stream direction: + * if the connected output is USB stream, then it's likely a + * capture stream. otherwise it should be playback (hopefully :) + */ + if (! mapped_name && ! (state->oterm.type >> 16)) { + if ((state->oterm.type & 0xff00) == 0x0100) { + len = strlcat(kctl->id.name, " Capture", sizeof(kctl->id.name)); + } else { + len = strlcat(kctl->id.name + len, " Playback", sizeof(kctl->id.name)); + } + } + strlcat(kctl->id.name + len, control == USB_FEATURE_MUTE ? " Switch" : " Volume", + sizeof(kctl->id.name)); + break; + + default: + if (! len) + strlcpy(kctl->id.name, audio_feature_info[control-1].name, + sizeof(kctl->id.name)); + break; + } + + /* quirk for UDA1321/N101 */ + /* note that detection between firmware 2.1.1.7 (N101) and later 2.1.1.21 */ + /* is not very clear from datasheets */ + /* I hope that the min value is -15360 for newer firmware --jk */ + if (((state->vendor == 0x471 && (state->product == 0x104 || state->product == 0x105 || state->product == 0x101)) || + (state->vendor == 0x672 && state->product == 0x1041)) && !strcmp(kctl->id.name, "PCM Playback Volume") && + cval->min == -15616) { + snd_printk("USB Audio: using volume control quirk for the UDA1321/N101 chip\n"); + cval->max = -256; + } + + snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", + cval->id, kctl->id.name, cval->channels, cval->min, cval->max, cval->res); + add_control_to_empty(state->chip->card, kctl); +} + + + +/* + * parse a feature unit + * + * most of controlls are defined here. + */ +static int parse_audio_feature_unit(mixer_build_t *state, int unitid, unsigned char *ftr) +{ + int channels, i, j; + usb_audio_term_t iterm; + unsigned int master_bits, first_ch_bits; + int err, csize; + + if (ftr[0] < 7 || ! (csize = ftr[5]) || ftr[0] < 7 + csize) { + snd_printk(KERN_ERR "usbaudio: unit %u: invalid FEATURE_UNIT descriptor\n", unitid); + return -EINVAL; + } + + /* parse the source unit */ + if ((err = parse_audio_unit(state, ftr[4])) < 0) + return err; + + /* determine the input source type and name */ + if (check_input_term(state, ftr[4], &iterm) < 0) + return -EINVAL; + + channels = (ftr[0] - 7) / csize - 1; + + master_bits = snd_usb_combine_bytes(ftr + 6, csize); + if (channels > 0) + first_ch_bits = snd_usb_combine_bytes(ftr + 6 + csize, csize); + else + first_ch_bits = 0; + /* check all control types */ + for (i = 0; i < 10; i++) { + unsigned int ch_bits = 0; + for (j = 0; j < channels; j++) { + unsigned int mask = snd_usb_combine_bytes(ftr + 6 + csize * (j+1), csize); + if (mask & (1 << i)) + ch_bits |= (1 << j); + } + if (ch_bits & 1) /* the first channel must be set (for ease of programming) */ + build_feature_ctl(state, ftr, ch_bits, i, &iterm, unitid); + if (master_bits & (1 << i)) + build_feature_ctl(state, ftr, 0, i, &iterm, unitid); + } + + return 0; +} + + +/* + * Mixer Unit + */ + +/* + * build a mixer unit control + * + * the callbacks are identical with feature unit. + * input channel number (zero based) is given in control field instead. + */ + +static void build_mixer_unit_ctl(mixer_build_t *state, unsigned char *desc, + int in_pin, int in_ch, int unitid, + usb_audio_term_t *iterm) +{ + usb_mixer_elem_info_t *cval; + unsigned int input_pins = desc[4]; + unsigned int num_outs = desc[5 + input_pins]; + unsigned int i, len; + snd_kcontrol_t *kctl; + + if (check_ignored_ctl(state, unitid, 0)) + return; + + cval = kcalloc(1, sizeof(*cval), GFP_KERNEL); + if (! cval) + return; + + cval->chip = state->chip; + cval->ctrlif = state->ctrlif; + cval->id = unitid; + cval->control = in_ch + 1; /* based on 1 */ + cval->val_type = USB_MIXER_S16; + for (i = 0; i < num_outs; i++) { + if (check_matrix_bitmap(desc + 9 + input_pins, in_ch, i, num_outs)) { + cval->cmask |= (1 << i); + cval->channels++; + } + } + + /* get min/max values */ + get_min_max(cval, 0); + + kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); + if (! kctl) { + snd_printk(KERN_ERR "cannot malloc kcontrol\n"); + kfree(cval); + return; + } + kctl->private_free = usb_mixer_elem_free; + + len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); + if (! len) + len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0); + if (! len) + len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); + strlcat(kctl->id.name + len, " Volume", sizeof(kctl->id.name)); + + snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n", + cval->id, kctl->id.name, cval->channels, cval->min, cval->max); + add_control_to_empty(state->chip->card, kctl); +} + + +/* + * parse a mixer unit + */ +static int parse_audio_mixer_unit(mixer_build_t *state, int unitid, unsigned char *desc) +{ + usb_audio_term_t iterm; + int input_pins, num_ins, num_outs; + int pin, ich, err; + + if (desc[0] < 11 || ! (input_pins = desc[4]) || ! (num_outs = desc[5 + input_pins])) { + snd_printk(KERN_ERR "invalid MIXER UNIT descriptor %d\n", unitid); + return -EINVAL; + } + /* no bmControls field (e.g. Maya44) -> ignore */ + if (desc[0] <= 10 + input_pins) { + snd_printdd(KERN_INFO "MU %d has no bmControls field\n", unitid); + return 0; + } + + num_ins = 0; + ich = 0; + for (pin = 0; pin < input_pins; pin++) { + err = parse_audio_unit(state, desc[5 + pin]); + if (err < 0) + return err; + err = check_input_term(state, desc[5 + pin], &iterm); + if (err < 0) + return err; + num_ins += iterm.channels; + for (; ich < num_ins; ++ich) { + int och, ich_has_controls = 0; + + for (och = 0; och < num_outs; ++och) { + if (check_matrix_bitmap(desc + 9 + input_pins, + ich, och, num_outs)) { + ich_has_controls = 1; + break; + } + } + if (ich_has_controls) + build_mixer_unit_ctl(state, desc, pin, ich, + unitid, &iterm); + } + } + return 0; +} + + +/* + * Processing Unit / Extension Unit + */ + +/* get callback for processing/extension unit */ +static int mixer_ctl_procunit_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + int err, val; + + err = get_cur_ctl_value(cval, cval->control << 8, &val); + if (err < 0 && cval->chip->ignore_ctl_error) { + ucontrol->value.integer.value[0] = cval->min; + return 0; + } + if (err < 0) + return err; + val = get_relative_value(cval, val); + ucontrol->value.integer.value[0] = val; + return 0; +} + +/* put callback for processing/extension unit */ +static int mixer_ctl_procunit_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + int val, oval, err; + + err = get_cur_ctl_value(cval, cval->control << 8, &oval); + if (err < 0) { + if (cval->chip->ignore_ctl_error) + return 0; + return err; + } + val = ucontrol->value.integer.value[0]; + val = get_abs_value(cval, val); + if (val != oval) { + set_cur_ctl_value(cval, cval->control << 8, val); + return 1; + } + return 0; +} + +/* alsa control interface for processing/extension unit */ +static snd_kcontrol_new_t mixer_procunit_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", /* will be filled later */ + .info = mixer_ctl_feature_info, + .get = mixer_ctl_procunit_get, + .put = mixer_ctl_procunit_put, +}; + + +/* + * predefined data for processing units + */ +struct procunit_value_info { + int control; + char *suffix; + int val_type; + int min_value; +}; + +struct procunit_info { + int type; + char *name; + struct procunit_value_info *values; +}; + +static struct procunit_value_info updown_proc_info[] = { + { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN }, + { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, + { 0 } +}; +static struct procunit_value_info prologic_proc_info[] = { + { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN }, + { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, + { 0 } +}; +static struct procunit_value_info threed_enh_proc_info[] = { + { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN }, + { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 }, + { 0 } +}; +static struct procunit_value_info reverb_proc_info[] = { + { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN }, + { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, + { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 }, + { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 }, + { 0 } +}; +static struct procunit_value_info chorus_proc_info[] = { + { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN }, + { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, + { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, + { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, + { 0 } +}; +static struct procunit_value_info dcr_proc_info[] = { + { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN }, + { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 }, + { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 }, + { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, + { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 }, + { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 }, + { 0 } +}; + +static struct procunit_info procunits[] = { + { USB_PROC_UPDOWN, "Up Down", updown_proc_info }, + { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info }, + { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info }, + { USB_PROC_REVERB, "Reverb", reverb_proc_info }, + { USB_PROC_CHORUS, "Chorus", chorus_proc_info }, + { USB_PROC_DCR, "DCR", dcr_proc_info }, + { 0 }, +}; + +/* + * build a processing/extension unit + */ +static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name) +{ + int num_ins = dsc[6]; + usb_mixer_elem_info_t *cval; + snd_kcontrol_t *kctl; + int i, err, nameid, type, len; + struct procunit_info *info; + struct procunit_value_info *valinfo; + static struct procunit_value_info default_value_info[] = { + { 0x01, "Switch", USB_MIXER_BOOLEAN }, + { 0 } + }; + static struct procunit_info default_info = { + 0, NULL, default_value_info + }; + + if (dsc[0] < 13 || dsc[0] < 13 + num_ins || dsc[0] < num_ins + dsc[11 + num_ins]) { + snd_printk(KERN_ERR "invalid %s descriptor (id %d)\n", name, unitid); + return -EINVAL; + } + + for (i = 0; i < num_ins; i++) { + if ((err = parse_audio_unit(state, dsc[7 + i])) < 0) + return err; + } + + type = combine_word(&dsc[4]); + if (! type) + return 0; /* undefined? */ + + for (info = list; info && info->type; info++) + if (info->type == type) + break; + if (! info || ! info->type) + info = &default_info; + + for (valinfo = info->values; valinfo->control; valinfo++) { + /* FIXME: bitmap might be longer than 8bit */ + if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1)))) + continue; + if (check_ignored_ctl(state, unitid, valinfo->control)) + continue; + cval = kcalloc(1, sizeof(*cval), GFP_KERNEL); + if (! cval) { + snd_printk(KERN_ERR "cannot malloc kcontrol\n"); + return -ENOMEM; + } + cval->chip = state->chip; + cval->ctrlif = state->ctrlif; + cval->id = unitid; + cval->control = valinfo->control; + cval->val_type = valinfo->val_type; + cval->channels = 1; + + /* get min/max values */ + if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) { + /* FIXME: hard-coded */ + cval->min = 1; + cval->max = dsc[15]; + cval->res = 1; + cval->initialized = 1; + } else + get_min_max(cval, valinfo->min_value); + + kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); + if (! kctl) { + snd_printk(KERN_ERR "cannot malloc kcontrol\n"); + kfree(cval); + return -ENOMEM; + } + kctl->private_free = usb_mixer_elem_free; + + if (check_mapped_name(state, unitid, cval->control, kctl->id.name, sizeof(kctl->id.name))) + ; + else if (info->name) + strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); + else { + nameid = dsc[12 + num_ins + dsc[11 + num_ins]]; + len = 0; + if (nameid) + len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); + if (! len) + strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); + } + strlcat(kctl->id.name, " ", sizeof(kctl->id.name)); + strlcat(kctl->id.name, valinfo->suffix, sizeof(kctl->id.name)); + + snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n", + cval->id, kctl->id.name, cval->channels, cval->min, cval->max); + if ((err = add_control_to_empty(state->chip->card, kctl)) < 0) + return err; + } + return 0; +} + + +static int parse_audio_processing_unit(mixer_build_t *state, int unitid, unsigned char *desc) +{ + return build_audio_procunit(state, unitid, desc, procunits, "Processing Unit"); +} + +static int parse_audio_extension_unit(mixer_build_t *state, int unitid, unsigned char *desc) +{ + return build_audio_procunit(state, unitid, desc, NULL, "Extension Unit"); +} + + +/* + * Selector Unit + */ + +/* info callback for selector unit + * use an enumerator type for routing + */ +static int mixer_ctl_selector_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + char **itemlist = (char **)kcontrol->private_value; + + snd_assert(itemlist, return -EINVAL); + uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; + uinfo->count = 1; + uinfo->value.enumerated.items = cval->max; + if ((int)uinfo->value.enumerated.item >= cval->max) + uinfo->value.enumerated.item = cval->max - 1; + strcpy(uinfo->value.enumerated.name, itemlist[uinfo->value.enumerated.item]); + return 0; +} + +/* get callback for selector unit */ +static int mixer_ctl_selector_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + int val, err; + + err = get_cur_ctl_value(cval, 0, &val); + if (err < 0) { + if (cval->chip->ignore_ctl_error) { + ucontrol->value.enumerated.item[0] = 0; + return 0; + } + return err; + } + val = get_relative_value(cval, val); + ucontrol->value.enumerated.item[0] = val; + return 0; +} + +/* put callback for selector unit */ +static int mixer_ctl_selector_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) +{ + usb_mixer_elem_info_t *cval = kcontrol->private_data; + int val, oval, err; + + err = get_cur_ctl_value(cval, 0, &oval); + if (err < 0) { + if (cval->chip->ignore_ctl_error) + return 0; + return err; + } + val = ucontrol->value.enumerated.item[0]; + val = get_abs_value(cval, val); + if (val != oval) { + set_cur_ctl_value(cval, 0, val); + return 1; + } + return 0; +} + +/* alsa control interface for selector unit */ +static snd_kcontrol_new_t mixer_selectunit_ctl = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "", /* will be filled later */ + .info = mixer_ctl_selector_info, + .get = mixer_ctl_selector_get, + .put = mixer_ctl_selector_put, +}; + + +/* private free callback. + * free both private_data and private_value + */ +static void usb_mixer_selector_elem_free(snd_kcontrol_t *kctl) +{ + int i, num_ins = 0; + + if (kctl->private_data) { + usb_mixer_elem_info_t *cval = kctl->private_data; + num_ins = cval->max; + kfree(cval); + kctl->private_data = NULL; + } + if (kctl->private_value) { + char **itemlist = (char **)kctl->private_value; + for (i = 0; i < num_ins; i++) + kfree(itemlist[i]); + kfree(itemlist); + kctl->private_value = 0; + } +} + +/* + * parse a selector unit + */ +static int parse_audio_selector_unit(mixer_build_t *state, int unitid, unsigned char *desc) +{ + unsigned int num_ins = desc[4]; + unsigned int i, nameid, len; + int err; + usb_mixer_elem_info_t *cval; + snd_kcontrol_t *kctl; + char **namelist; + + if (! num_ins || desc[0] < 6 + num_ins) { + snd_printk(KERN_ERR "invalid SELECTOR UNIT descriptor %d\n", unitid); + return -EINVAL; + } + + for (i = 0; i < num_ins; i++) { + if ((err = parse_audio_unit(state, desc[5 + i])) < 0) + return err; + } + + if (num_ins == 1) /* only one ? nonsense! */ + return 0; + + if (check_ignored_ctl(state, unitid, 0)) + return 0; + + cval = kcalloc(1, sizeof(*cval), GFP_KERNEL); + if (! cval) { + snd_printk(KERN_ERR "cannot malloc kcontrol\n"); + return -ENOMEM; + } + cval->chip = state->chip; + cval->ctrlif = state->ctrlif; + cval->id = unitid; + cval->val_type = USB_MIXER_U8; + cval->channels = 1; + cval->min = 1; + cval->max = num_ins; + cval->res = 1; + cval->initialized = 1; + + namelist = kmalloc(sizeof(char *) * num_ins, GFP_KERNEL); + if (! namelist) { + snd_printk(KERN_ERR "cannot malloc\n"); + kfree(cval); + return -ENOMEM; + } +#define MAX_ITEM_NAME_LEN 64 + for (i = 0; i < num_ins; i++) { + usb_audio_term_t iterm; + len = 0; + namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); + if (! namelist[i]) { + snd_printk(KERN_ERR "cannot malloc\n"); + while (--i > 0) + kfree(namelist[i]); + kfree(namelist); + kfree(cval); + return -ENOMEM; + } + if (check_input_term(state, desc[5 + i], &iterm) >= 0) + len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); + if (! len) + sprintf(namelist[i], "Input %d", i); + } + + kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); + if (! kctl) { + snd_printk(KERN_ERR "cannot malloc kcontrol\n"); + kfree(cval); + return -ENOMEM; + } + kctl->private_value = (unsigned long)namelist; + kctl->private_free = usb_mixer_selector_elem_free; + + nameid = desc[desc[0] - 1]; + len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); + if (len) + ; + else if (nameid) + snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); + else { + len = get_term_name(state, &state->oterm, + kctl->id.name, sizeof(kctl->id.name), 0); + if (! len) + strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); + + if ((state->oterm.type & 0xff00) == 0x0100) + strlcat(kctl->id.name, " Capture Source", sizeof(kctl->id.name)); + else + strlcat(kctl->id.name, " Playback Source", sizeof(kctl->id.name)); + } + + snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n", + cval->id, kctl->id.name, num_ins); + if ((err = add_control_to_empty(state->chip->card, kctl)) < 0) + return err; + + return 0; +} + + +/* + * parse an audio unit recursively + */ + +static int parse_audio_unit(mixer_build_t *state, int unitid) +{ + unsigned char *p1; + + if (test_and_set_bit(unitid, state->unitbitmap)) + return 0; /* the unit already visited */ + + p1 = find_audio_control_unit(state, unitid); + if (!p1) { + snd_printk(KERN_ERR "usbaudio: unit %d not found!\n", unitid); + return -EINVAL; + } + + switch (p1[2]) { + case INPUT_TERMINAL: + return 0; /* NOP */ + case MIXER_UNIT: + return parse_audio_mixer_unit(state, unitid, p1); + case SELECTOR_UNIT: + return parse_audio_selector_unit(state, unitid, p1); + case FEATURE_UNIT: + return parse_audio_feature_unit(state, unitid, p1); + case PROCESSING_UNIT: + return parse_audio_processing_unit(state, unitid, p1); + case EXTENSION_UNIT: + return parse_audio_extension_unit(state, unitid, p1); + default: + snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]); + return -EINVAL; + } +} + +/* + * create mixer controls + * + * walk through all OUTPUT_TERMINAL descriptors to search for mixers + */ +int snd_usb_create_mixer(snd_usb_audio_t *chip, int ctrlif) +{ + unsigned char *desc; + mixer_build_t state; + int err; + const struct usbmix_ctl_map *map; + struct usb_device_descriptor *dev = &chip->dev->descriptor; + struct usb_host_interface *hostif = &usb_ifnum_to_if(chip->dev, ctrlif)->altsetting[0]; + + strcpy(chip->card->mixername, "USB Mixer"); + + memset(&state, 0, sizeof(state)); + state.chip = chip; + state.buffer = hostif->extra; + state.buflen = hostif->extralen; + state.ctrlif = ctrlif; + state.vendor = le16_to_cpu(dev->idVendor); + state.product = le16_to_cpu(dev->idProduct); + + /* check the mapping table */ + for (map = usbmix_ctl_maps; map->vendor; map++) { + if (map->vendor == state.vendor && map->product == state.product) { + state.map = map->map; + chip->ignore_ctl_error = map->ignore_ctl_error; + break; + } + } +#ifdef IGNORE_CTL_ERROR + chip->ignore_ctl_error = 1; +#endif + + desc = NULL; + while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, OUTPUT_TERMINAL)) != NULL) { + if (desc[0] < 9) + continue; /* invalid descriptor? */ + set_bit(desc[3], state.unitbitmap); /* mark terminal ID as visited */ + state.oterm.id = desc[3]; + state.oterm.type = combine_word(&desc[4]); + state.oterm.name = desc[8]; + err = parse_audio_unit(&state, desc[7]); + if (err < 0) + return err; + } + return 0; +} diff --git a/sound/usb/usbmixer_maps.c b/sound/usb/usbmixer_maps.c new file mode 100644 index 000000000000..c69b4b0875f8 --- /dev/null +++ b/sound/usb/usbmixer_maps.c @@ -0,0 +1,135 @@ +/* + * Additional mixer mapping + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + + +struct usbmix_name_map { + int id; + const char *name; + int control; +}; + +struct usbmix_ctl_map { + int vendor; + int product; + const struct usbmix_name_map *map; + int ignore_ctl_error; +}; + +/* + * USB control mappers for SB Exitigy + */ + +/* + * Topology of SB Extigy (see on the wide screen :) + +USB_IN[1] --->FU[2]------------------------------+->MU[16]-->PU[17]-+->FU[18]--+->EU[27]--+->EU[21]-->FU[22]--+->FU[23] > Dig_OUT[24] + ^ | | | | +USB_IN[3] -+->SU[5]-->FU[6]--+->MU[14] ->PU[15]->+ | | | +->FU[25] > Dig_OUT[26] + ^ ^ | | | | +Dig_IN[4] -+ | | | | +->FU[28]---------------------> Spk_OUT[19] + | | | | +Lin-IN[7] -+-->FU[8]---------+ | | +----------------------------------------> Hph_OUT[20] + | | | +Mic-IN[9] --+->FU[10]----------------------------+ | + || | + || +----------------------------------------------------+ + VV V + ++--+->SU[11]-->FU[12] --------------------------------------------------------------------------------------> USB_OUT[13] +*/ + +static struct usbmix_name_map extigy_map[] = { + /* 1: IT pcm */ + { 2, "PCM Playback" }, /* FU */ + /* 3: IT pcm */ + /* 4: IT digital in */ + { 5, NULL }, /* DISABLED: this seems to be bogus on some firmware */ + { 6, "Digital In" }, /* FU */ + /* 7: IT line */ + { 8, "Line Playback" }, /* FU */ + /* 9: IT mic */ + { 10, "Mic Playback" }, /* FU */ + { 11, "Capture Input Source" }, /* SU */ + { 12, "Capture" }, /* FU */ + /* 13: OT pcm capture */ + /* 14: MU (w/o controls) */ + /* 15: PU (3D enh) */ + /* 16: MU (w/o controls) */ + { 17, NULL, 1 }, /* DISABLED: PU-switch (any effect?) */ + { 17, "Channel Routing", 2 }, /* PU: mode select */ + { 18, "Tone Control - Bass", USB_FEATURE_BASS }, /* FU */ + { 18, "Tone Control - Treble", USB_FEATURE_TREBLE }, /* FU */ + { 18, "Master Playback" }, /* FU; others */ + /* 19: OT speaker */ + /* 20: OT headphone */ + { 21, NULL }, /* DISABLED: EU (for what?) */ + { 22, "Digital Out Playback" }, /* FU */ + { 23, "Digital Out1 Playback" }, /* FU */ /* FIXME: corresponds to 24 */ + /* 24: OT digital out */ + { 25, "IEC958 Optical Playback" }, /* FU */ + { 26, "IEC958 Optical Playback" }, /* OT */ + { 27, NULL }, /* DISABLED: EU (for what?) */ + /* 28: FU speaker (mute) */ + { 29, NULL }, /* Digital Input Playback Source? */ + { 0 } /* terminator */ +}; + +/* LineX FM Transmitter entry - needed to bypass controls bug */ +static struct usbmix_name_map linex_map[] = { + /* 1: IT pcm */ + /* 2: OT Speaker */ + { 3, "Master" }, /* FU: master volume - left / right / mute */ + { 0 } /* terminator */ +}; + +/* Section "justlink_map" below added by James Courtier-Dutton <James@superbug.demon.co.uk> + * sourced from Maplin Electronics (http://www.maplin.co.uk), part number A56AK + * Part has 2 connectors that act as a single output. (TOSLINK Optical for digital out, and 3.5mm Jack for Analogue out.) + * The USB Mixer publishes a Microphone and extra Volume controls for it, but none exist on the device, + * so this map removes all unwanted sliders from alsamixer + */ + +static struct usbmix_name_map justlink_map[] = { + /* 1: IT pcm playback */ + /* 2: Not present */ + { 3, NULL}, /* IT mic (No mic input on device) */ + /* 4: Not present */ + /* 5: OT speacker */ + /* 6: OT pcm capture */ + { 7, "Master Playback" }, /* Mute/volume for speaker */ + { 8, NULL }, /* Capture Switch (No capture inputs on device) */ + { 9, NULL }, /* Capture Mute/volume (No capture inputs on device */ + /* 0xa: Not present */ + /* 0xb: MU (w/o controls) */ + { 0xc, NULL }, /* Mic feedback Mute/volume (No capture inputs on device) */ + { 0 } /* terminator */ +}; + +/* + * Control map entries + */ + +static struct usbmix_ctl_map usbmix_ctl_maps[] = { + { 0x41e, 0x3000, extigy_map, 1 }, + { 0x8bb, 0x2702, linex_map, 1 }, + { 0xc45, 0x1158, justlink_map, 0 }, + { 0 } /* terminator */ +}; + diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h new file mode 100644 index 000000000000..88bbd944d4be --- /dev/null +++ b/sound/usb/usbquirks.h @@ -0,0 +1,1202 @@ +/* + * ALSA USB Audio Driver + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>, + * Clemens Ladisch <clemens@ladisch.de> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * The contents of this file are part of the driver's id_table. + * + * In a perfect world, this file would be empty. + */ + +/* + * Use this for devices where other interfaces are standard compliant, + * to prevent the quirk being applied to those interfaces. (To work with + * hotplugging, bDeviceClass must be set to USB_CLASS_PER_INTERFACE.) + */ +#define USB_DEVICE_VENDOR_SPEC(vend, prod) \ + .match_flags = USB_DEVICE_ID_MATCH_VENDOR | \ + USB_DEVICE_ID_MATCH_PRODUCT | \ + USB_DEVICE_ID_MATCH_INT_CLASS, \ + .idVendor = vend, \ + .idProduct = prod, \ + .bInterfaceClass = USB_CLASS_VENDOR_SPEC + +/* + * Yamaha devices + */ + +#define YAMAHA_DEVICE(id, name) { \ + USB_DEVICE(0x0499, id), \ + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { \ + .vendor_name = "Yamaha", \ + .product_name = name, \ + .ifnum = QUIRK_ANY_INTERFACE, \ + .type = QUIRK_MIDI_YAMAHA \ + } \ +} +#define YAMAHA_INTERFACE(id, intf, name) { \ + USB_DEVICE_VENDOR_SPEC(0x0499, id), \ + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { \ + .vendor_name = "Yamaha", \ + .product_name = name, \ + .ifnum = intf, \ + .type = QUIRK_MIDI_YAMAHA \ + } \ +} +YAMAHA_DEVICE(0x1000, "UX256"), +YAMAHA_DEVICE(0x1001, "MU1000"), +YAMAHA_DEVICE(0x1002, "MU2000"), +YAMAHA_DEVICE(0x1003, "MU500"), +YAMAHA_INTERFACE(0x1004, 3, "UW500"), +YAMAHA_DEVICE(0x1005, "MOTIF6"), +YAMAHA_DEVICE(0x1006, "MOTIF7"), +YAMAHA_DEVICE(0x1007, "MOTIF8"), +YAMAHA_DEVICE(0x1008, "UX96"), +YAMAHA_DEVICE(0x1009, "UX16"), +YAMAHA_INTERFACE(0x100a, 3, "EOS BX"), +YAMAHA_DEVICE(0x100c, "UC-MX"), +YAMAHA_DEVICE(0x100d, "UC-KX"), +YAMAHA_DEVICE(0x100e, "S08"), +YAMAHA_DEVICE(0x100f, "CLP-150"), +YAMAHA_DEVICE(0x1010, "CLP-170"), +YAMAHA_DEVICE(0x1011, "P-250"), +YAMAHA_DEVICE(0x1012, "TYROS"), +YAMAHA_DEVICE(0x1013, "PF-500"), +YAMAHA_DEVICE(0x1014, "S90"), +YAMAHA_DEVICE(0x1015, "MOTIF-R"), +YAMAHA_DEVICE(0x1017, "CVP-204"), +YAMAHA_DEVICE(0x1018, "CVP-206"), +YAMAHA_DEVICE(0x1019, "CVP-208"), +YAMAHA_DEVICE(0x101a, "CVP-210"), +YAMAHA_DEVICE(0x101b, "PSR-1100"), +YAMAHA_DEVICE(0x101c, "PSR-2100"), +YAMAHA_DEVICE(0x101d, "CLP-175"), +YAMAHA_DEVICE(0x101e, "PSR-K1"), +YAMAHA_DEVICE(0x1020, "EZ-250i"), +YAMAHA_DEVICE(0x1021, "MOTIF ES 6"), +YAMAHA_DEVICE(0x1022, "MOTIF ES 7"), +YAMAHA_DEVICE(0x1023, "MOTIF ES 8"), +YAMAHA_DEVICE(0x1024, "CVP-301"), +YAMAHA_DEVICE(0x1025, "CVP-303"), +YAMAHA_DEVICE(0x1026, "CVP-305"), +YAMAHA_DEVICE(0x1027, "CVP-307"), +YAMAHA_DEVICE(0x1028, "CVP-309"), +YAMAHA_DEVICE(0x1029, "CVP-309GP"), +YAMAHA_DEVICE(0x102a, "PSR-1500"), +YAMAHA_DEVICE(0x102b, "PSR-3000"), +YAMAHA_DEVICE(0x102e, "ELS-01/01C"), +YAMAHA_DEVICE(0x1030, "PSR-295/293"), +YAMAHA_DEVICE(0x1031, "DGX-205/203"), +YAMAHA_DEVICE(0x1032, "DGX-305"), +YAMAHA_DEVICE(0x1033, "DGX-505"), +YAMAHA_DEVICE(0x1034, NULL), +YAMAHA_DEVICE(0x1035, NULL), +YAMAHA_DEVICE(0x1036, NULL), +YAMAHA_DEVICE(0x1037, NULL), +YAMAHA_DEVICE(0x1038, NULL), +YAMAHA_DEVICE(0x1039, NULL), +YAMAHA_DEVICE(0x103a, NULL), +YAMAHA_DEVICE(0x103b, NULL), +YAMAHA_DEVICE(0x103c, NULL), +YAMAHA_DEVICE(0x2000, "DGP-7"), +YAMAHA_DEVICE(0x2001, "DGP-5"), +YAMAHA_DEVICE(0x2002, NULL), +YAMAHA_DEVICE(0x5000, "CS1D"), +YAMAHA_DEVICE(0x5001, "DSP1D"), +YAMAHA_DEVICE(0x5002, "DME32"), +YAMAHA_DEVICE(0x5003, "DM2000"), +YAMAHA_DEVICE(0x5004, "02R96"), +YAMAHA_DEVICE(0x5005, "ACU16-C"), +YAMAHA_DEVICE(0x5006, "NHB32-C"), +YAMAHA_DEVICE(0x5007, "DM1000"), +YAMAHA_DEVICE(0x5008, "01V96"), +YAMAHA_DEVICE(0x5009, "SPX2000"), +YAMAHA_DEVICE(0x500a, "PM5D"), +YAMAHA_DEVICE(0x500b, "DME64N"), +YAMAHA_DEVICE(0x500c, "DME24N"), +YAMAHA_DEVICE(0x500d, NULL), +YAMAHA_DEVICE(0x500e, NULL), +YAMAHA_DEVICE(0x7000, "DTX"), +YAMAHA_DEVICE(0x7010, "UB99"), +#undef YAMAHA_DEVICE +#undef YAMAHA_INTERFACE + +/* + * Roland/RolandED/Edirol/BOSS devices + */ +{ + USB_DEVICE(0x0582, 0x0000), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "UA-100", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = & (const struct audioformat) { + .format = SNDRV_PCM_FORMAT_S16_LE, + .channels = 4, + .iface = 0, + .altsetting = 1, + .altset_idx = 1, + .attributes = 0, + .endpoint = 0x01, + .ep_attr = 0x09, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 44100, + .rate_max = 44100, + } + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = & (const struct audioformat) { + .format = SNDRV_PCM_FORMAT_S16_LE, + .channels = 2, + .iface = 1, + .altsetting = 1, + .altset_idx = 1, + .attributes = EP_CS_ATTR_FILL_MAX, + .endpoint = 0x81, + .ep_attr = 0x05, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 44100, + .rate_max = 44100, + } + }, + { + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0007, + .in_cables = 0x0007 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE(0x0582, 0x0002), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UM-4", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x000f, + .in_cables = 0x000f + } + } +}, +{ + USB_DEVICE(0x0582, 0x0003), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "SC-8850", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x003f, + .in_cables = 0x003f + } + } +}, +{ + USB_DEVICE(0x0582, 0x0004), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "U-8", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0005, + .in_cables = 0x0005 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0005), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UM-2", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0003 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0007), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "SC-8820", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0013, + .in_cables = 0x0013 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0008), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "PC-300", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0009), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UM-1", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x000b), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "SK-500", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0013, + .in_cables = 0x0013 + } + } +}, +{ + /* thanks to Emiliano Grilli <emillo@libero.it> + * for helping researching this data */ + USB_DEVICE(0x0582, 0x000c), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "SC-D70", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = & (const struct audioformat) { + .format = SNDRV_PCM_FORMAT_S24_3LE, + .channels = 2, + .iface = 0, + .altsetting = 1, + .altset_idx = 1, + .attributes = 0, + .endpoint = 0x01, + .ep_attr = 0x01, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 44100, + .rate_max = 44100, + } + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_FIXED_ENDPOINT, + .data = & (const struct audioformat) { + .format = SNDRV_PCM_FORMAT_S24_3LE, + .channels = 2, + .iface = 1, + .altsetting = 1, + .altset_idx = 1, + .attributes = 0, + .endpoint = 0x81, + .ep_attr = 0x01, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 44100, + .rate_max = 44100, + } + }, + { + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0007, + .in_cables = 0x0007 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ /* + * This quirk is for the "Advanced Driver" mode of the Edirol UA-5. + * If the advanced mode switch at the back of the unit is off, the + * UA-5 has ID 0x0582/0x0011 and is standard compliant (no quirks), + * but offers only 16-bit PCM. + * In advanced mode, the UA-5 will output S24_3LE samples (two + * channels) at the rate indicated on the front switch, including + * the 96kHz sample rate. + */ + USB_DEVICE(0x0582, 0x0010), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UA-5", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE(0x0582, 0x0012), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "XV-5050", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0014), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UM-880", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x01ff, + .in_cables = 0x01ff + } + } +}, +{ + USB_DEVICE(0x0582, 0x0016), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "SD-90", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x000f, + .in_cables = 0x000f + } + } +}, +{ + USB_DEVICE(0x0582, 0x001b), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "MMP-2", + .ifnum = 2, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x001d), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "V-SYNTH", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0023), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UM-550", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x003f, + .in_cables = 0x003f + } + } +}, +{ + /* + * This quirk is for the "Advanced Driver" mode. If off, the UA-20 + * has ID 0x0026 and is standard compliant, but has only 16-bit PCM + * and no MIDI. + */ + USB_DEVICE(0x0582, 0x0025), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UA-20", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_STANDARD_INTERFACE + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE(0x0582, 0x0027), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "SD-20", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0007 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0029), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "SD-80", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x000f, + .in_cables = 0x000f + } + } +}, +{ /* + * This quirk is for the "Advanced" modes of the Edirol UA-700. + * If the sample format switch is not in an advanced setting, the + * UA-700 has ID 0x0582/0x002c and is standard compliant (no quirks), + * but offers only 16-bit PCM and no MIDI. + */ + USB_DEVICE_VENDOR_SPEC(0x0582, 0x002b), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UA-700", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 1, + .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + }, + { + .ifnum = 3, + .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE(0x0582, 0x002d), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "XV-2020", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x002f), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "VariOS", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0007, + .in_cables = 0x0007 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0033), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "PCR", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0007 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0037), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "Digital Piano", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0582, 0x003b), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "BOSS", + .product_name = "GS-10", + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0003 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0040), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "GI-20", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0042), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "RS-70", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x0044), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "UA-1000", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 1, + .type = QUIRK_AUDIO_EDIROL_UA1000 + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_EDIROL_UA1000 + }, + { + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0003 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE(0x0582, 0x0048), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UR-80", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0007 + } + } +}, +{ + USB_DEVICE(0x0582, 0x004d), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "PCR-A", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0007 + } + } +}, +{ + /* + * This quirk is for the "Advanced Driver" mode. If off, the UA-3FX + * is standard compliant, but has only 16-bit PCM. + */ + USB_DEVICE(0x0582, 0x0050), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UA-3FX", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 1, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE(0x0582, 0x0052), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UM-1SX", + .ifnum = 0, + .type = QUIRK_MIDI_STANDARD_INTERFACE + } +}, +{ + USB_DEVICE(0x0582, 0x0065), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "PCR-1", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0003 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0582, 0x006a), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "SP-606", + .ifnum = 3, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE(0x0582, 0x006d), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Roland", + .product_name = "FANTOM-X", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ /* + * This quirk is for the "Advanced" modes of the Edirol UA-25. + * If the switch is not in an advanced setting, the UA-25 has + * ID 0x0582/0x0073 and is standard compliant (no quirks), but + * offers only 16-bit PCM at 44.1 kHz and no MIDI. + */ + USB_DEVICE_VENDOR_SPEC(0x0582, 0x0074), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "EDIROL", + .product_name = "UA-25", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 0, + .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + }, + { + .ifnum = 1, + .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + }, + { + .ifnum = 2, + .type = QUIRK_AUDIO_EDIROL_UA700_UA25 + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE(0x0582, 0x0075), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "BOSS", + .product_name = "DR-880", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, + +/* Midiman/M-Audio devices */ +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x1002), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "MidiSport 2x2", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0003, + .in_cables = 0x0003 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x1011), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "MidiSport 1x1", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x1015), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "Keystation", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x1021), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "MidiSport 4x4", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x000f, + .in_cables = 0x000f + } + } +}, +{ + /* + * For hardware revision 1.05; in the later revisions (1.10 and + * 1.21), 0x1031 is the ID for the device without firmware. + * Thanks to Olaf Giesbrecht <Olaf_Giesbrecht@yahoo.de> + */ + USB_DEVICE_VER(0x0763, 0x1031, 0x0100, 0x0109), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "MidiSport 8x8", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x01ff, + .in_cables = 0x01ff + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x1033), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "MidiSport 8x8", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x01ff, + .in_cables = 0x01ff + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x1041), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "MidiSport 2x4", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x000f, + .in_cables = 0x0003 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x2001), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "Quattro", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const snd_usb_audio_quirk_t[]) { + /* + * Interfaces 0-2 are "Windows-compatible", 16-bit only, + * and share endpoints with the other interfaces. + * Ignore them. The other interfaces can do 24 bits, + * but captured samples are big-endian (see usbaudio.c). + */ + { + .ifnum = 0, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 4, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 5, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 6, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 7, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 8, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 9, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x2003), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "AudioPhile", + .ifnum = 6, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x2008), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "Ozone", + .ifnum = 3, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x0763, 0x200d), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "M-Audio", + .product_name = "OmniStudio", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 0, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 1, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 2, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 3, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 4, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 5, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 6, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = 7, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 8, + .type = QUIRK_AUDIO_STANDARD_INTERFACE + }, + { + .ifnum = 9, + .type = QUIRK_MIDI_MIDIMAN, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x0001, + .in_cables = 0x0001 + } + }, + { + .ifnum = -1 + } + } + } +}, + +/* Mark of the Unicorn devices */ +{ + /* thanks to Robert A. Lerche <ral 'at' msbit.com> */ + USB_DEVICE(0x07fd, 0x0001), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "MOTU", + .product_name = "Fastlane", + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_COMPOSITE, + .data = & (const snd_usb_audio_quirk_t[]) { + { + .ifnum = 0, + .type = QUIRK_MIDI_MOTU + }, + { + .ifnum = 1, + .type = QUIRK_IGNORE_INTERFACE + }, + { + .ifnum = -1 + } + } + } +}, + +{ + /* Creative Sound Blaster MP3+ */ + USB_DEVICE(0x041e, 0x3010), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Creative Labs", + .product_name = "Sound Blaster MP3+", + .ifnum = QUIRK_NO_INTERFACE + } + +}, + +/* Emagic devices */ +{ + USB_DEVICE(0x086a, 0x0001), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Emagic", + /* .product_name = "Unitor8", */ + .ifnum = 2, + .type = QUIRK_MIDI_EMAGIC, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x80ff, + .in_cables = 0x80ff + } + } +}, +{ + USB_DEVICE(0x086a, 0x0002), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Emagic", + /* .product_name = "AMT8", */ + .ifnum = 2, + .type = QUIRK_MIDI_EMAGIC, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x80ff, + .in_cables = 0x80ff + } + } +}, +{ + USB_DEVICE(0x086a, 0x0003), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Emagic", + /* .product_name = "MT4", */ + .ifnum = 2, + .type = QUIRK_MIDI_EMAGIC, + .data = & (const snd_usb_midi_endpoint_info_t) { + .out_cables = 0x800f, + .in_cables = 0x8003 + } + } +}, + +{ + USB_DEVICE_VENDOR_SPEC(0x0ccd, 0x0013), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Terratec", + .product_name = "PHASE 26", + .ifnum = 3, + .type = QUIRK_MIDI_STANDARD_INTERFACE + } +}, + +/* Novation EMS devices */ +{ + USB_DEVICE_VENDOR_SPEC(0x1235, 0x0001), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Novation", + .product_name = "ReMOTE Audio/XStation", + .ifnum = 4, + .type = QUIRK_MIDI_NOVATION + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x1235, 0x0002), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Novation", + .product_name = "Speedio", + .ifnum = 3, + .type = QUIRK_MIDI_NOVATION + } +}, +{ + USB_DEVICE_VENDOR_SPEC(0x1235, 0x4661), + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .vendor_name = "Novation", + .product_name = "ReMOTE25", + .ifnum = 0, + .type = QUIRK_MIDI_NOVATION + } +}, + +{ + /* + * Some USB MIDI devices don't have an audio control interface, + * so we have to grab MIDI streaming interfaces here. + */ + .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS | + USB_DEVICE_ID_MATCH_INT_SUBCLASS, + .bInterfaceClass = USB_CLASS_AUDIO, + .bInterfaceSubClass = USB_SUBCLASS_MIDI_STREAMING, + .driver_info = (unsigned long) & (const snd_usb_audio_quirk_t) { + .ifnum = QUIRK_ANY_INTERFACE, + .type = QUIRK_MIDI_STANDARD_INTERFACE + } +}, + +#undef USB_DEVICE_VENDOR_SPEC diff --git a/sound/usb/usx2y/Makefile b/sound/usb/usx2y/Makefile new file mode 100644 index 000000000000..9ac22bce1124 --- /dev/null +++ b/sound/usb/usx2y/Makefile @@ -0,0 +1,3 @@ +snd-usb-usx2y-objs := usbusx2y.o usX2Yhwdep.o usx2yhwdeppcm.o + +obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-usx2y.o diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c new file mode 100644 index 000000000000..bef9b0c142c4 --- /dev/null +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -0,0 +1,280 @@ +/* + * Driver for Tascam US-X2Y USB soundcards + * + * FPGA Loader + ALSA Startup + * + * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <sound/driver.h> +#include <linux/interrupt.h> +#include <linux/usb.h> +#include <sound/core.h> +#include <sound/memalloc.h> +#include <sound/pcm.h> +#include <sound/hwdep.h> +#include "usx2y.h" +#include "usbusx2y.h" +#include "usX2Yhwdep.h" + +int usX2Y_hwdep_pcm_new(snd_card_t* card); + + +static struct page * snd_us428ctls_vm_nopage(struct vm_area_struct *area, unsigned long address, int *type) +{ + unsigned long offset; + struct page * page; + void *vaddr; + + snd_printdd("ENTER, start %lXh, ofs %lXh, pgoff %ld, addr %lXh\n", + area->vm_start, + address - area->vm_start, + (address - area->vm_start) >> PAGE_SHIFT, + address); + + offset = area->vm_pgoff << PAGE_SHIFT; + offset += address - area->vm_start; + snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM); + vaddr = (char*)((usX2Ydev_t*)area->vm_private_data)->us428ctls_sharedmem + offset; + page = virt_to_page(vaddr); + get_page(page); + snd_printdd( "vaddr=%p made us428ctls_vm_nopage() return %p; offset=%lX\n", vaddr, page, offset); + + if (type) + *type = VM_FAULT_MINOR; + + return page; +} + +static struct vm_operations_struct us428ctls_vm_ops = { + .nopage = snd_us428ctls_vm_nopage, +}; + +static int snd_us428ctls_mmap(snd_hwdep_t * hw, struct file *filp, struct vm_area_struct *area) +{ + unsigned long size = (unsigned long)(area->vm_end - area->vm_start); + usX2Ydev_t *us428 = (usX2Ydev_t*)hw->private_data; + + // FIXME this hwdep interface is used twice: fpga download and mmap for controlling Lights etc. Maybe better using 2 hwdep devs? + // so as long as the device isn't fully initialised yet we return -EBUSY here. + if (!(((usX2Ydev_t*)hw->private_data)->chip_status & USX2Y_STAT_CHIP_INIT)) + return -EBUSY; + + /* if userspace tries to mmap beyond end of our buffer, fail */ + if (size > ((PAGE_SIZE - 1 + sizeof(us428ctls_sharedmem_t)) / PAGE_SIZE) * PAGE_SIZE) { + snd_printd( "%lu > %lu\n", size, (unsigned long)sizeof(us428ctls_sharedmem_t)); + return -EINVAL; + } + + if (!us428->us428ctls_sharedmem) { + init_waitqueue_head(&us428->us428ctls_wait_queue_head); + if(!(us428->us428ctls_sharedmem = snd_malloc_pages(sizeof(us428ctls_sharedmem_t), GFP_KERNEL))) + return -ENOMEM; + memset(us428->us428ctls_sharedmem, -1, sizeof(us428ctls_sharedmem_t)); + us428->us428ctls_sharedmem->CtlSnapShotLast = -2; + } + area->vm_ops = &us428ctls_vm_ops; + area->vm_flags |= VM_RESERVED; + area->vm_private_data = hw->private_data; + return 0; +} + +static unsigned int snd_us428ctls_poll(snd_hwdep_t *hw, struct file *file, poll_table *wait) +{ + unsigned int mask = 0; + usX2Ydev_t *us428 = (usX2Ydev_t*)hw->private_data; + us428ctls_sharedmem_t *shm = us428->us428ctls_sharedmem; + if (us428->chip_status & USX2Y_STAT_CHIP_HUP) + return POLLHUP; + + poll_wait(file, &us428->us428ctls_wait_queue_head, wait); + + if (shm != NULL && shm->CtlSnapShotLast != shm->CtlSnapShotRed) + mask |= POLLIN; + + return mask; +} + + +static int snd_usX2Y_hwdep_open(snd_hwdep_t *hw, struct file *file) +{ + return 0; +} + +static int snd_usX2Y_hwdep_release(snd_hwdep_t *hw, struct file *file) +{ + return 0; +} + +static int snd_usX2Y_hwdep_dsp_status(snd_hwdep_t *hw, snd_hwdep_dsp_status_t *info) +{ + static char *type_ids[USX2Y_TYPE_NUMS] = { + [USX2Y_TYPE_122] = "us122", + [USX2Y_TYPE_224] = "us224", + [USX2Y_TYPE_428] = "us428", + }; + int id = -1; + + switch (le16_to_cpu(((usX2Ydev_t*)hw->private_data)->chip.dev->descriptor.idProduct)) { + case USB_ID_US122: + id = USX2Y_TYPE_122; + break; + case USB_ID_US224: + id = USX2Y_TYPE_224; + break; + case USB_ID_US428: + id = USX2Y_TYPE_428; + break; + } + if (0 > id) + return -ENODEV; + strcpy(info->id, type_ids[id]); + info->num_dsps = 2; // 0: Prepad Data, 1: FPGA Code + if (((usX2Ydev_t*)hw->private_data)->chip_status & USX2Y_STAT_CHIP_INIT) + info->chip_ready = 1; + info->version = USX2Y_DRIVER_VERSION; + return 0; +} + + +static int usX2Y_create_usbmidi(snd_card_t* card ) +{ + static snd_usb_midi_endpoint_info_t quirk_data_1 = { + .out_ep =0x06, + .in_ep = 0x06, + .out_cables = 0x001, + .in_cables = 0x001 + }; + static snd_usb_audio_quirk_t quirk_1 = { + .vendor_name = "TASCAM", + .product_name = NAME_ALLCAPS, + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &quirk_data_1 + }; + static snd_usb_midi_endpoint_info_t quirk_data_2 = { + .out_ep =0x06, + .in_ep = 0x06, + .out_cables = 0x003, + .in_cables = 0x003 + }; + static snd_usb_audio_quirk_t quirk_2 = { + .vendor_name = "TASCAM", + .product_name = "US428", + .ifnum = 0, + .type = QUIRK_MIDI_FIXED_ENDPOINT, + .data = &quirk_data_2 + }; + struct usb_device *dev = usX2Y(card)->chip.dev; + struct usb_interface *iface = usb_ifnum_to_if(dev, 0); + snd_usb_audio_quirk_t *quirk = le16_to_cpu(dev->descriptor.idProduct) == USB_ID_US428 ? &quirk_2 : &quirk_1; + + snd_printdd("usX2Y_create_usbmidi \n"); + return snd_usb_create_midi_interface(&usX2Y(card)->chip, iface, quirk); +} + +static int usX2Y_create_alsa_devices(snd_card_t* card) +{ + int err; + + do { + if ((err = usX2Y_create_usbmidi(card)) < 0) { + snd_printk("usX2Y_create_alsa_devices: usX2Y_create_usbmidi error %i \n", err); + break; + } + if ((err = usX2Y_audio_create(card)) < 0) + break; + if ((err = usX2Y_hwdep_pcm_new(card)) < 0) + break; + if ((err = snd_card_register(card)) < 0) + break; + } while (0); + + return err; +} + +static int snd_usX2Y_hwdep_dsp_load(snd_hwdep_t *hw, snd_hwdep_dsp_image_t *dsp) +{ + usX2Ydev_t *priv = hw->private_data; + int lret, err = -EINVAL; + snd_printdd( "dsp_load %s\n", dsp->name); + + if (access_ok(VERIFY_READ, dsp->image, dsp->length)) { + struct usb_device* dev = priv->chip.dev; + char *buf = kmalloc(dsp->length, GFP_KERNEL); + if (!buf) + return -ENOMEM; + if (copy_from_user(buf, dsp->image, dsp->length)) { + kfree(buf); + return -EFAULT; + } + err = usb_set_interface(dev, 0, 1); + if (err) + snd_printk("usb_set_interface error \n"); + else + err = usb_bulk_msg(dev, usb_sndbulkpipe(dev, 2), buf, dsp->length, &lret, 6000); + kfree(buf); + } + if (err) + return err; + if (dsp->index == 1) { + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(HZ/4); // give the device some time + err = usX2Y_AsyncSeq04_init(priv); + if (err) { + snd_printk("usX2Y_AsyncSeq04_init error \n"); + return err; + } + err = usX2Y_In04_init(priv); + if (err) { + snd_printk("usX2Y_In04_init error \n"); + return err; + } + err = usX2Y_create_alsa_devices(hw->card); + if (err) { + snd_printk("usX2Y_create_alsa_devices error %i \n", err); + snd_card_free(hw->card); + return err; + } + priv->chip_status |= USX2Y_STAT_CHIP_INIT; + snd_printdd("%s: alsa all started\n", hw->name); + } + return err; +} + + +int usX2Y_hwdep_new(snd_card_t* card, struct usb_device* device) +{ + int err; + snd_hwdep_t *hw; + + if ((err = snd_hwdep_new(card, SND_USX2Y_LOADER_ID, 0, &hw)) < 0) + return err; + + hw->iface = SNDRV_HWDEP_IFACE_USX2Y; + hw->private_data = usX2Y(card); + hw->ops.open = snd_usX2Y_hwdep_open; + hw->ops.release = snd_usX2Y_hwdep_release; + hw->ops.dsp_status = snd_usX2Y_hwdep_dsp_status; + hw->ops.dsp_load = snd_usX2Y_hwdep_dsp_load; + hw->ops.mmap = snd_us428ctls_mmap; + hw->ops.poll = snd_us428ctls_poll; + hw->exclusive = 1; + sprintf(hw->name, "/proc/bus/usb/%03d/%03d", device->bus->busnum, device->devnum); + return 0; +} + diff --git a/sound/usb/usx2y/usX2Yhwdep.h b/sound/usb/usx2y/usX2Yhwdep.h new file mode 100644 index 000000000000..d612a26eb77c --- /dev/null +++ b/sound/usb/usx2y/usX2Yhwdep.h @@ -0,0 +1,6 @@ +#ifndef USX2YHWDEP_H +#define USX2YHWDEP_H + +int usX2Y_hwdep_new(snd_card_t* card, struct usb_device* device); + +#endif diff --git a/sound/usb/usx2y/usbus428ctldefs.h b/sound/usb/usx2y/usbus428ctldefs.h new file mode 100644 index 000000000000..6af16438d2c7 --- /dev/null +++ b/sound/usb/usx2y/usbus428ctldefs.h @@ -0,0 +1,108 @@ +/* + * + * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +enum E_In84{ + eFader0 = 0, + eFader1, + eFader2, + eFader3, + eFader4, + eFader5, + eFader6, + eFader7, + eFaderM, + eTransport, + eModifier = 10, + eFilterSelect, + eSelect, + eMute, + + eSwitch = 15, + eWheelGain, + eWheelFreq, + eWheelQ, + eWheelPan, + eWheel = 20 +}; + +#define T_RECORD 1 +#define T_PLAY 2 +#define T_STOP 4 +#define T_F_FWD 8 +#define T_REW 0x10 +#define T_SOLO 0x20 +#define T_REC 0x40 +#define T_NULL 0x80 + + +struct us428_ctls{ + unsigned char Fader[9]; + unsigned char Transport; + unsigned char Modifier; + unsigned char FilterSelect; + unsigned char Select; + unsigned char Mute; + unsigned char UNKNOWN; + unsigned char Switch; + unsigned char Wheel[5]; +}; + +typedef struct us428_ctls us428_ctls_t; + +typedef struct us428_setByte{ + unsigned char Offset, + Value; +}us428_setByte_t; + +enum { + eLT_Volume = 0, + eLT_Light +}; + +typedef struct usX2Y_volume { + unsigned char Channel, + LH, + LL, + RH, + RL; +} usX2Y_volume_t; + +struct us428_lights{ + us428_setByte_t Light[7]; +}; +typedef struct us428_lights us428_lights_t; + +typedef struct { + char type; + union { + usX2Y_volume_t vol; + us428_lights_t lights; + } val; +} us428_p4out_t; + +#define N_us428_ctl_BUFS 16 +#define N_us428_p4out_BUFS 16 +struct us428ctls_sharedmem{ + us428_ctls_t CtlSnapShot[N_us428_ctl_BUFS]; + int CtlSnapShotDiffersAt[N_us428_ctl_BUFS]; + int CtlSnapShotLast, CtlSnapShotRed; + us428_p4out_t p4out[N_us428_p4out_BUFS]; + int p4outLast, p4outSent; +}; +typedef struct us428ctls_sharedmem us428ctls_sharedmem_t; diff --git a/sound/usb/usx2y/usbusx2y.c b/sound/usb/usx2y/usbusx2y.c new file mode 100644 index 000000000000..b06a267e5dac --- /dev/null +++ b/sound/usb/usx2y/usbusx2y.c @@ -0,0 +1,461 @@ +/* + * usbusy2y.c - ALSA USB US-428 Driver + * +2004-12-14 Karsten Wiese + Version 0.8.7.1: + snd_pcm_open for rawusb pcm-devices now returns -EBUSY if called without rawusb's hwdep device being open. + +2004-12-02 Karsten Wiese + Version 0.8.7: + Use macro usb_maxpacket() for portability. + +2004-10-26 Karsten Wiese + Version 0.8.6: + wake_up() process waiting in usX2Y_urbs_start() on error. + +2004-10-21 Karsten Wiese + Version 0.8.5: + nrpacks is runtime or compiletime configurable now with tested values from 1 to 4. + +2004-10-03 Karsten Wiese + Version 0.8.2: + Avoid any possible racing while in prepare callback. + +2004-09-30 Karsten Wiese + Version 0.8.0: + Simplified things and made ohci work again. + +2004-09-20 Karsten Wiese + Version 0.7.3: + Use usb_kill_urb() instead of deprecated (kernel 2.6.9) usb_unlink_urb(). + +2004-07-13 Karsten Wiese + Version 0.7.1: + Don't sleep in START/STOP callbacks anymore. + us428 channels C/D not handled just for this version, sorry. + +2004-06-21 Karsten Wiese + Version 0.6.4: + Temporarely suspend midi input + to sanely call usb_set_interface() when setting format. + +2004-06-12 Karsten Wiese + Version 0.6.3: + Made it thus the following rule is enforced: + "All pcm substreams of one usX2Y have to operate at the same rate & format." + +2004-04-06 Karsten Wiese + Version 0.6.0: + Runs on 2.6.5 kernel without any "--with-debug=" things. + us224 reported running. + +2004-01-14 Karsten Wiese + Version 0.5.1: + Runs with 2.6.1 kernel. + +2003-12-30 Karsten Wiese + Version 0.4.1: + Fix 24Bit 4Channel capturing for the us428. + +2003-11-27 Karsten Wiese, Martin Langer + Version 0.4: + us122 support. + us224 could be tested by uncommenting the sections containing USB_ID_US224 + +2003-11-03 Karsten Wiese + Version 0.3: + 24Bit support. + "arecord -D hw:1 -c 2 -r 48000 -M -f S24_3LE|aplay -D hw:1 -c 2 -r 48000 -M -f S24_3LE" works. + +2003-08-22 Karsten Wiese + Version 0.0.8: + Removed EZUSB Firmware. First Stage Firmwaredownload is now done by tascam-firmware downloader. + See: + http://usb-midi-fw.sourceforge.net/tascam-firmware.tar.gz + +2003-06-18 Karsten Wiese + Version 0.0.5: + changed to compile with kernel 2.4.21 and alsa 0.9.4 + +2002-10-16 Karsten Wiese + Version 0.0.4: + compiles again with alsa-current. + USB_ISO_ASAP not used anymore (most of the time), instead + urb->start_frame is calculated here now, some calls inside usb-driver don't need to happen anymore. + + To get the best out of this: + Disable APM-support in the kernel as APM-BIOS calls (once each second) hard disable interrupt for many precious milliseconds. + This helped me much on my slowish PII 400 & PIII 500. + ACPI yet untested but might cause the same bad behaviour. + Use a kernel with lowlatency and preemptiv patches applied. + To autoload snd-usb-midi append a line + post-install snd-usb-us428 modprobe snd-usb-midi + to /etc/modules.conf. + + known problems: + sliders, knobs, lights not yet handled except MASTER Volume slider. + "pcm -c 2" doesn't work. "pcm -c 2 -m direct_interleaved" does. + KDE3: "Enable full duplex operation" deadlocks. + + +2002-08-31 Karsten Wiese + Version 0.0.3: audio also simplex; + simplifying: iso urbs only 1 packet, melted structs. + ASYNC_UNLINK not used anymore: no more crashes so far..... + for alsa 0.9 rc3. + +2002-08-09 Karsten Wiese + Version 0.0.2: midi works with snd-usb-midi, audio (only fullduplex now) with i.e. bristol. + The firmware has been sniffed from win2k us-428 driver 3.09. + + * Copyright (c) 2002 - 2004 Karsten Wiese + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <sound/driver.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/interrupt.h> +#include <linux/usb.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/pcm.h> + +#include <sound/rawmidi.h> +#include "usx2y.h" +#include "usbusx2y.h" +#include "usX2Yhwdep.h" + + + +MODULE_AUTHOR("Karsten Wiese <annabellesgarden@yahoo.de>"); +MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.8.7.1"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{TASCAM(0x1604), "NAME_ALLCAPS"(0x8001)(0x8005)(0x8007) }}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */ +static char* id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS"."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS"."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS"."); + + +static int snd_usX2Y_card_used[SNDRV_CARDS]; + +static void usX2Y_usb_disconnect(struct usb_device* usb_device, void* ptr); +static void snd_usX2Y_card_private_free(snd_card_t *card); + +/* + * pipe 4 is used for switching the lamps, setting samplerate, volumes .... + */ +static void i_usX2Y_Out04Int(struct urb* urb, struct pt_regs *regs) +{ +#ifdef CONFIG_SND_DEBUG + if (urb->status) { + int i; + usX2Ydev_t* usX2Y = urb->context; + for (i = 0; i < 10 && usX2Y->AS04.urb[i] != urb; i++); + snd_printdd("i_usX2Y_Out04Int() urb %i status=%i\n", i, urb->status); + } +#endif +} + +static void i_usX2Y_In04Int(struct urb* urb, struct pt_regs *regs) +{ + int err = 0; + usX2Ydev_t *usX2Y = urb->context; + us428ctls_sharedmem_t *us428ctls = usX2Y->us428ctls_sharedmem; + + usX2Y->In04IntCalls++; + + if (urb->status) { + snd_printdd("Interrupt Pipe 4 came back with status=%i\n", urb->status); + return; + } + + // printk("%i:0x%02X ", 8, (int)((unsigned char*)usX2Y->In04Buf)[8]); Master volume shows 0 here if fader is at max during boot ?!? + if (us428ctls) { + int diff = -1; + if (-2 == us428ctls->CtlSnapShotLast) { + diff = 0; + memcpy(usX2Y->In04Last, usX2Y->In04Buf, sizeof(usX2Y->In04Last)); + us428ctls->CtlSnapShotLast = -1; + } else { + int i; + for (i = 0; i < 21; i++) { + if (usX2Y->In04Last[i] != ((char*)usX2Y->In04Buf)[i]) { + if (diff < 0) + diff = i; + usX2Y->In04Last[i] = ((char*)usX2Y->In04Buf)[i]; + } + } + } + if (0 <= diff) { + int n = us428ctls->CtlSnapShotLast + 1; + if (n >= N_us428_ctl_BUFS || n < 0) + n = 0; + memcpy(us428ctls->CtlSnapShot + n, usX2Y->In04Buf, sizeof(us428ctls->CtlSnapShot[0])); + us428ctls->CtlSnapShotDiffersAt[n] = diff; + us428ctls->CtlSnapShotLast = n; + wake_up(&usX2Y->us428ctls_wait_queue_head); + } + } + + + if (usX2Y->US04) { + if (0 == usX2Y->US04->submitted) + do + err = usb_submit_urb(usX2Y->US04->urb[usX2Y->US04->submitted++], GFP_ATOMIC); + while (!err && usX2Y->US04->submitted < usX2Y->US04->len); + } else + if (us428ctls && us428ctls->p4outLast >= 0 && us428ctls->p4outLast < N_us428_p4out_BUFS) { + if (us428ctls->p4outLast != us428ctls->p4outSent) { + int j, send = us428ctls->p4outSent + 1; + if (send >= N_us428_p4out_BUFS) + send = 0; + for (j = 0; j < URBS_AsyncSeq && !err; ++j) + if (0 == usX2Y->AS04.urb[j]->status) { + us428_p4out_t *p4out = us428ctls->p4out + send; // FIXME if more then 1 p4out is new, 1 gets lost. + usb_fill_bulk_urb(usX2Y->AS04.urb[j], usX2Y->chip.dev, + usb_sndbulkpipe(usX2Y->chip.dev, 0x04), &p4out->val.vol, + p4out->type == eLT_Light ? sizeof(us428_lights_t) : 5, + i_usX2Y_Out04Int, usX2Y); + err = usb_submit_urb(usX2Y->AS04.urb[j], GFP_ATOMIC); + us428ctls->p4outSent = send; + break; + } + } + } + + if (err) { + snd_printk("In04Int() usb_submit_urb err=%i\n", err); + } + + urb->dev = usX2Y->chip.dev; + usb_submit_urb(urb, GFP_ATOMIC); +} + +/* + * Prepare some urbs + */ +int usX2Y_AsyncSeq04_init(usX2Ydev_t* usX2Y) +{ + int err = 0, + i; + + if (NULL == (usX2Y->AS04.buffer = kmalloc(URB_DataLen_AsyncSeq*URBS_AsyncSeq, GFP_KERNEL))) { + err = -ENOMEM; + } else + for (i = 0; i < URBS_AsyncSeq; ++i) { + if (NULL == (usX2Y->AS04.urb[i] = usb_alloc_urb(0, GFP_KERNEL))) { + err = -ENOMEM; + break; + } + usb_fill_bulk_urb( usX2Y->AS04.urb[i], usX2Y->chip.dev, + usb_sndbulkpipe(usX2Y->chip.dev, 0x04), + usX2Y->AS04.buffer + URB_DataLen_AsyncSeq*i, 0, + i_usX2Y_Out04Int, usX2Y + ); + } + return err; +} + +int usX2Y_In04_init(usX2Ydev_t* usX2Y) +{ + int err = 0; + if (! (usX2Y->In04urb = usb_alloc_urb(0, GFP_KERNEL))) + return -ENOMEM; + + if (! (usX2Y->In04Buf = kmalloc(21, GFP_KERNEL))) { + usb_free_urb(usX2Y->In04urb); + return -ENOMEM; + } + + init_waitqueue_head(&usX2Y->In04WaitQueue); + usb_fill_int_urb(usX2Y->In04urb, usX2Y->chip.dev, usb_rcvintpipe(usX2Y->chip.dev, 0x4), + usX2Y->In04Buf, 21, + i_usX2Y_In04Int, usX2Y, + 10); + err = usb_submit_urb(usX2Y->In04urb, GFP_KERNEL); + return err; +} + +static void usX2Y_unlinkSeq(snd_usX2Y_AsyncSeq_t* S) +{ + int i; + for (i = 0; i < URBS_AsyncSeq; ++i) { + if (S[i].urb) { + usb_kill_urb(S->urb[i]); + usb_free_urb(S->urb[i]); + S->urb[i] = NULL; + } + } + kfree(S->buffer); +} + + +static struct usb_device_id snd_usX2Y_usb_id_table[] = { + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x1604, + .idProduct = USB_ID_US428 + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x1604, + .idProduct = USB_ID_US122 + }, + { + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, + .idVendor = 0x1604, + .idProduct = USB_ID_US224 + }, + { /* terminator */ } +}; + +static snd_card_t* usX2Y_create_card(struct usb_device* device) +{ + int dev; + snd_card_t* card; + for (dev = 0; dev < SNDRV_CARDS; ++dev) + if (enable[dev] && !snd_usX2Y_card_used[dev]) + break; + if (dev >= SNDRV_CARDS) + return NULL; + card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(usX2Ydev_t)); + if (!card) + return NULL; + snd_usX2Y_card_used[usX2Y(card)->chip.index = dev] = 1; + card->private_free = snd_usX2Y_card_private_free; + usX2Y(card)->chip.dev = device; + usX2Y(card)->chip.card = card; + init_waitqueue_head(&usX2Y(card)->prepare_wait_queue); + init_MUTEX (&usX2Y(card)->prepare_mutex); + INIT_LIST_HEAD(&usX2Y(card)->chip.midi_list); + strcpy(card->driver, "USB "NAME_ALLCAPS""); + sprintf(card->shortname, "TASCAM "NAME_ALLCAPS""); + sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)", + card->shortname, + le16_to_cpu(device->descriptor.idVendor), + le16_to_cpu(device->descriptor.idProduct), + 0,//us428(card)->usbmidi.ifnum, + usX2Y(card)->chip.dev->bus->busnum, usX2Y(card)->chip.dev->devnum + ); + snd_card_set_dev(card, &device->dev); + return card; +} + + +static void* usX2Y_usb_probe(struct usb_device* device, struct usb_interface *intf, const struct usb_device_id* device_id) +{ + int err; + snd_card_t* card; + if (le16_to_cpu(device->descriptor.idVendor) != 0x1604 || + (le16_to_cpu(device->descriptor.idProduct) != USB_ID_US122 && + le16_to_cpu(device->descriptor.idProduct) != USB_ID_US224 && + le16_to_cpu(device->descriptor.idProduct) != USB_ID_US428) || + !(card = usX2Y_create_card(device))) + return NULL; + if ((err = usX2Y_hwdep_new(card, device)) < 0 || + (err = snd_card_register(card)) < 0) { + snd_card_free(card); + return NULL; + } + return card; +} + +/* + * new 2.5 USB kernel API + */ +static int snd_usX2Y_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + void *chip; + chip = usX2Y_usb_probe(interface_to_usbdev(intf), intf, id); + if (chip) { + dev_set_drvdata(&intf->dev, chip); + return 0; + } else + return -EIO; +} + +static void snd_usX2Y_disconnect(struct usb_interface *intf) +{ + usX2Y_usb_disconnect(interface_to_usbdev(intf), + dev_get_drvdata(&intf->dev)); +} + +MODULE_DEVICE_TABLE(usb, snd_usX2Y_usb_id_table); +static struct usb_driver snd_usX2Y_usb_driver = { + .owner = THIS_MODULE, + .name = "snd-usb-usx2y", + .probe = snd_usX2Y_probe, + .disconnect = snd_usX2Y_disconnect, + .id_table = snd_usX2Y_usb_id_table, +}; + +static void snd_usX2Y_card_private_free(snd_card_t *card) +{ + kfree(usX2Y(card)->In04Buf); + usb_free_urb(usX2Y(card)->In04urb); + if (usX2Y(card)->us428ctls_sharedmem) + snd_free_pages(usX2Y(card)->us428ctls_sharedmem, sizeof(*usX2Y(card)->us428ctls_sharedmem)); + if (usX2Y(card)->chip.index >= 0 && usX2Y(card)->chip.index < SNDRV_CARDS) + snd_usX2Y_card_used[usX2Y(card)->chip.index] = 0; +} + +/* + * Frees the device. + */ +static void usX2Y_usb_disconnect(struct usb_device* device, void* ptr) +{ + if (ptr) { + usX2Ydev_t* usX2Y = usX2Y((snd_card_t*)ptr); + struct list_head* p; + if (usX2Y->chip_status == USX2Y_STAT_CHIP_HUP) // on 2.6.1 kernel snd_usbmidi_disconnect() + return; // calls us back. better leave :-) . + usX2Y->chip.shutdown = 1; + usX2Y->chip_status = USX2Y_STAT_CHIP_HUP; + usX2Y_unlinkSeq(&usX2Y->AS04); + usb_kill_urb(usX2Y->In04urb); + snd_card_disconnect((snd_card_t*)ptr); + /* release the midi resources */ + list_for_each(p, &usX2Y->chip.midi_list) { + snd_usbmidi_disconnect(p, &snd_usX2Y_usb_driver); + } + if (usX2Y->us428ctls_sharedmem) + wake_up(&usX2Y->us428ctls_wait_queue_head); + snd_card_free_in_thread((snd_card_t*)ptr); + } +} + +static int __init snd_usX2Y_module_init(void) +{ + return usb_register(&snd_usX2Y_usb_driver); +} + +static void __exit snd_usX2Y_module_exit(void) +{ + usb_deregister(&snd_usX2Y_usb_driver); +} + +module_init(snd_usX2Y_module_init) +module_exit(snd_usX2Y_module_exit) diff --git a/sound/usb/usx2y/usbusx2y.h b/sound/usb/usx2y/usbusx2y.h new file mode 100644 index 000000000000..f65f3a7194ca --- /dev/null +++ b/sound/usb/usx2y/usbusx2y.h @@ -0,0 +1,84 @@ +#ifndef USBUSX2Y_H +#define USBUSX2Y_H +#include "../usbaudio.h" +#include "usbus428ctldefs.h" + +#define NRURBS 2 + + +#define URBS_AsyncSeq 10 +#define URB_DataLen_AsyncSeq 32 +typedef struct { + struct urb* urb[URBS_AsyncSeq]; + char* buffer; +} snd_usX2Y_AsyncSeq_t; + +typedef struct { + int submitted; + int len; + struct urb* urb[0]; +} snd_usX2Y_urbSeq_t; + +typedef struct snd_usX2Y_substream snd_usX2Y_substream_t; +#include "usx2yhwdeppcm.h" + +typedef struct { + snd_usb_audio_t chip; + int stride; + struct urb *In04urb; + void *In04Buf; + char In04Last[24]; + unsigned In04IntCalls; + snd_usX2Y_urbSeq_t *US04; + wait_queue_head_t In04WaitQueue; + snd_usX2Y_AsyncSeq_t AS04; + unsigned int rate, + format; + int chip_status; + struct semaphore prepare_mutex; + us428ctls_sharedmem_t *us428ctls_sharedmem; + int wait_iso_frame; + wait_queue_head_t us428ctls_wait_queue_head; + snd_usX2Y_hwdep_pcm_shm_t *hwdep_pcm_shm; + snd_usX2Y_substream_t *subs[4]; + snd_usX2Y_substream_t * volatile prepare_subs; + wait_queue_head_t prepare_wait_queue; +} usX2Ydev_t; + + +struct snd_usX2Y_substream { + usX2Ydev_t *usX2Y; + snd_pcm_substream_t *pcm_substream; + + int endpoint; + unsigned int maxpacksize; /* max packet size in bytes */ + + atomic_t state; +#define state_STOPPED 0 +#define state_STARTING1 1 +#define state_STARTING2 2 +#define state_STARTING3 3 +#define state_PREPARED 4 +#define state_PRERUNNING 6 +#define state_RUNNING 8 + + int hwptr; /* free frame position in the buffer (only for playback) */ + int hwptr_done; /* processed frame position in the buffer */ + int transfer_done; /* processed frames since last period update */ + + struct urb *urb[NRURBS]; /* data urb table */ + struct urb *completed_urb; + char *tmpbuf; /* temporary buffer for playback */ +}; + + +#define usX2Y(c) ((usX2Ydev_t*)(c)->private_data) + +int usX2Y_audio_create(snd_card_t* card); + +int usX2Y_AsyncSeq04_init(usX2Ydev_t* usX2Y); +int usX2Y_In04_init(usX2Ydev_t* usX2Y); + +#define NAME_ALLCAPS "US-X2Y" + +#endif diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c new file mode 100644 index 000000000000..4c292e090069 --- /dev/null +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -0,0 +1,1026 @@ +/* + * US-X2Y AUDIO + * Copyright (c) 2002-2004 by Karsten Wiese + * + * based on + * + * (Tentative) USB Audio Driver for ALSA + * + * Main and PCM part + * + * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> + * + * Many codes borrowed from audio.c by + * Alan Cox (alan@lxorguk.ukuu.org.uk) + * Thomas Sailer (sailer@ife.ee.ethz.ch) + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include <sound/driver.h> +#include <linux/interrupt.h> +#include <linux/usb.h> +#include <sound/core.h> +#include <sound/info.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include "usx2y.h" +#include "usbusx2y.h" + +#define USX2Y_NRPACKS 4 /* Default value used for nr of packs per urb. + 1 to 4 have been tested ok on uhci. + To use 3 on ohci, you'd need a patch: + look for "0000425-linux-2.6.9-rc4-mm1_ohci-hcd.patch.gz" on + "https://bugtrack.alsa-project.org/alsa-bug/bug_view_page.php?bug_id=0000425" + . + 1, 2 and 4 work out of the box on ohci, if I recall correctly. + Bigger is safer operation, + smaller gives lower latencies. + */ +#define USX2Y_NRPACKS_VARIABLE y /* If your system works ok with this module's parameter + nrpacks set to 1, you might as well comment + this #define out, and thereby produce smaller, faster code. + You'd also set USX2Y_NRPACKS to 1 then. + */ + +#ifdef USX2Y_NRPACKS_VARIABLE + static int nrpacks = USX2Y_NRPACKS; /* number of packets per urb */ + #define nr_of_packs() nrpacks + module_param(nrpacks, int, 0444); + MODULE_PARM_DESC(nrpacks, "Number of packets per URB."); +#else + #define nr_of_packs() USX2Y_NRPACKS +#endif + + +static int usX2Y_urb_capt_retire(snd_usX2Y_substream_t *subs) +{ + struct urb *urb = subs->completed_urb; + snd_pcm_runtime_t *runtime = subs->pcm_substream->runtime; + unsigned char *cp; + int i, len, lens = 0, hwptr_done = subs->hwptr_done; + usX2Ydev_t *usX2Y = subs->usX2Y; + + for (i = 0; i < nr_of_packs(); i++) { + cp = (unsigned char*)urb->transfer_buffer + urb->iso_frame_desc[i].offset; + if (urb->iso_frame_desc[i].status) { /* active? hmm, skip this */ + snd_printk("activ frame status %i. Most propably some hardware problem.\n", urb->iso_frame_desc[i].status); + return urb->iso_frame_desc[i].status; + } + len = urb->iso_frame_desc[i].actual_length / usX2Y->stride; + if (! len) { + snd_printd("0 == len ERROR!\n"); + continue; + } + + /* copy a data chunk */ + if ((hwptr_done + len) > runtime->buffer_size) { + int cnt = runtime->buffer_size - hwptr_done; + int blen = cnt * usX2Y->stride; + memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp, blen); + memcpy(runtime->dma_area, cp + blen, len * usX2Y->stride - blen); + } else { + memcpy(runtime->dma_area + hwptr_done * usX2Y->stride, cp, len * usX2Y->stride); + } + lens += len; + if ((hwptr_done += len) >= runtime->buffer_size) + hwptr_done -= runtime->buffer_size; + } + + subs->hwptr_done = hwptr_done; + subs->transfer_done += lens; + /* update the pointer, call callback if necessary */ + if (subs->transfer_done >= runtime->period_size) { + subs->transfer_done -= runtime->period_size; + snd_pcm_period_elapsed(subs->pcm_substream); + } + return 0; +} +/* + * prepare urb for playback data pipe + * + * we copy the data directly from the pcm buffer. + * the current position to be copied is held in hwptr field. + * since a urb can handle only a single linear buffer, if the total + * transferred area overflows the buffer boundary, we cannot send + * it directly from the buffer. thus the data is once copied to + * a temporary buffer and urb points to that. + */ +static int usX2Y_urb_play_prepare(snd_usX2Y_substream_t *subs, + struct urb *cap_urb, + struct urb *urb) +{ + int count, counts, pack; + usX2Ydev_t* usX2Y = subs->usX2Y; + snd_pcm_runtime_t *runtime = subs->pcm_substream->runtime; + + count = 0; + for (pack = 0; pack < nr_of_packs(); pack++) { + /* calculate the size of a packet */ + counts = cap_urb->iso_frame_desc[pack].actual_length / usX2Y->stride; + count += counts; + if (counts < 43 || counts > 50) { + snd_printk("should not be here with counts=%i\n", counts); + return -EPIPE; + } + /* set up descriptor */ + urb->iso_frame_desc[pack].offset = pack ? + urb->iso_frame_desc[pack - 1].offset + urb->iso_frame_desc[pack - 1].length : + 0; + urb->iso_frame_desc[pack].length = cap_urb->iso_frame_desc[pack].actual_length; + } + if (atomic_read(&subs->state) >= state_PRERUNNING) + if (subs->hwptr + count > runtime->buffer_size) { + /* err, the transferred area goes over buffer boundary. + * copy the data to the temp buffer. + */ + int len; + len = runtime->buffer_size - subs->hwptr; + urb->transfer_buffer = subs->tmpbuf; + memcpy(subs->tmpbuf, runtime->dma_area + subs->hwptr * usX2Y->stride, len * usX2Y->stride); + memcpy(subs->tmpbuf + len * usX2Y->stride, runtime->dma_area, (count - len) * usX2Y->stride); + subs->hwptr += count; + subs->hwptr -= runtime->buffer_size; + } else { + /* set the buffer pointer */ + urb->transfer_buffer = runtime->dma_area + subs->hwptr * usX2Y->stride; + if ((subs->hwptr += count) >= runtime->buffer_size) + subs->hwptr -= runtime->buffer_size; + } + else + urb->transfer_buffer = subs->tmpbuf; + urb->transfer_buffer_length = count * usX2Y->stride; + return 0; +} + +/* + * process after playback data complete + * + * update the current position and call callback if a period is processed. + */ +static void usX2Y_urb_play_retire(snd_usX2Y_substream_t *subs, struct urb *urb) +{ + snd_pcm_runtime_t *runtime = subs->pcm_substream->runtime; + int len = urb->actual_length / subs->usX2Y->stride; + + subs->transfer_done += len; + subs->hwptr_done += len; + if (subs->hwptr_done >= runtime->buffer_size) + subs->hwptr_done -= runtime->buffer_size; + if (subs->transfer_done >= runtime->period_size) { + subs->transfer_done -= runtime->period_size; + snd_pcm_period_elapsed(subs->pcm_substream); + } +} + +static int usX2Y_urb_submit(snd_usX2Y_substream_t *subs, struct urb *urb, int frame) +{ + int err; + if (!urb) + return -ENODEV; + urb->start_frame = (frame + NRURBS * nr_of_packs()); // let hcd do rollover sanity checks + urb->hcpriv = NULL; + urb->dev = subs->usX2Y->chip.dev; /* we need to set this at each time */ + if ((err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { + snd_printk("usb_submit_urb() returned %i\n", err); + return err; + } + return 0; +} + +static inline int usX2Y_usbframe_complete(snd_usX2Y_substream_t *capsubs, snd_usX2Y_substream_t *playbacksubs, int frame) +{ + int err, state; + { + struct urb *urb = playbacksubs->completed_urb; + + state = atomic_read(&playbacksubs->state); + if (NULL != urb) { + if (state == state_RUNNING) + usX2Y_urb_play_retire(playbacksubs, urb); + else + if (state >= state_PRERUNNING) { + atomic_inc(&playbacksubs->state); + } + } else { + switch (state) { + case state_STARTING1: + urb = playbacksubs->urb[0]; + atomic_inc(&playbacksubs->state); + break; + case state_STARTING2: + urb = playbacksubs->urb[1]; + atomic_inc(&playbacksubs->state); + break; + } + } + if (urb) { + if ((err = usX2Y_urb_play_prepare(playbacksubs, capsubs->completed_urb, urb)) || + (err = usX2Y_urb_submit(playbacksubs, urb, frame))) { + return err; + } + } + + playbacksubs->completed_urb = NULL; + } + state = atomic_read(&capsubs->state); + if (state >= state_PREPARED) { + if (state == state_RUNNING) { + if ((err = usX2Y_urb_capt_retire(capsubs))) + return err; + } else + if (state >= state_PRERUNNING) { + atomic_inc(&capsubs->state); + } + if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame))) + return err; + } + capsubs->completed_urb = NULL; + return 0; +} + + +static void usX2Y_clients_stop(usX2Ydev_t *usX2Y) +{ + int s, u; + for (s = 0; s < 4; s++) { + snd_usX2Y_substream_t *subs = usX2Y->subs[s]; + if (subs) { + snd_printdd("%i %p state=%i\n", s, subs, atomic_read(&subs->state)); + atomic_set(&subs->state, state_STOPPED); + } + } + for (s = 0; s < 4; s++) { + snd_usX2Y_substream_t *subs = usX2Y->subs[s]; + if (subs) { + if (atomic_read(&subs->state) >= state_PRERUNNING) { + snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN); + } + for (u = 0; u < NRURBS; u++) { + struct urb *urb = subs->urb[u]; + if (NULL != urb) + snd_printdd("%i status=%i start_frame=%i\n", u, urb->status, urb->start_frame); + } + } + } + usX2Y->prepare_subs = NULL; + wake_up(&usX2Y->prepare_wait_queue); +} + +static void usX2Y_error_urb_status(usX2Ydev_t *usX2Y, snd_usX2Y_substream_t *subs, struct urb *urb) +{ + snd_printk("ep=%i stalled with status=%i\n", subs->endpoint, urb->status); + urb->status = 0; + usX2Y_clients_stop(usX2Y); +} + +static void usX2Y_error_sequence(usX2Ydev_t *usX2Y, snd_usX2Y_substream_t *subs, struct urb *urb) +{ + snd_printk("Sequence Error!(hcd_frame=%i ep=%i%s;wait=%i,frame=%i).\n" + "Most propably some urb of usb-frame %i is still missing.\n" + "Cause could be too long delays in usb-hcd interrupt handling.\n", + usb_get_current_frame_number(usX2Y->chip.dev), + subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", usX2Y->wait_iso_frame, urb->start_frame, usX2Y->wait_iso_frame); + usX2Y_clients_stop(usX2Y); +} + +static void i_usX2Y_urb_complete(struct urb *urb, struct pt_regs *regs) +{ + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t*)urb->context; + usX2Ydev_t *usX2Y = subs->usX2Y; + + if (unlikely(atomic_read(&subs->state) < state_PREPARED)) { + snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n", usb_get_current_frame_number(usX2Y->chip.dev), subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", urb->status, urb->start_frame); + return; + } + if (unlikely(urb->status)) { + usX2Y_error_urb_status(usX2Y, subs, urb); + return; + } + if (likely((0xFFFF & urb->start_frame) == usX2Y->wait_iso_frame)) + subs->completed_urb = urb; + else { + usX2Y_error_sequence(usX2Y, subs, urb); + return; + } + { + snd_usX2Y_substream_t *capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE], + *playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (capsubs->completed_urb && atomic_read(&capsubs->state) >= state_PREPARED && + (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < state_PREPARED)) { + if (!usX2Y_usbframe_complete(capsubs, playbacksubs, urb->start_frame)) { + if (nr_of_packs() <= urb->start_frame && + urb->start_frame <= (2 * nr_of_packs() - 1)) // uhci and ohci + usX2Y->wait_iso_frame = urb->start_frame - nr_of_packs(); + else + usX2Y->wait_iso_frame += nr_of_packs(); + } else { + snd_printdd("\n"); + usX2Y_clients_stop(usX2Y); + } + } + } +} + +static void usX2Y_urbs_set_complete(usX2Ydev_t * usX2Y, void (*complete)(struct urb *, struct pt_regs *)) +{ + int s, u; + for (s = 0; s < 4; s++) { + snd_usX2Y_substream_t *subs = usX2Y->subs[s]; + if (NULL != subs) + for (u = 0; u < NRURBS; u++) { + struct urb * urb = subs->urb[u]; + if (NULL != urb) + urb->complete = complete; + } + } +} + +static void usX2Y_subs_startup_finish(usX2Ydev_t * usX2Y) +{ + usX2Y_urbs_set_complete(usX2Y, i_usX2Y_urb_complete); + usX2Y->prepare_subs = NULL; +} + +static void i_usX2Y_subs_startup(struct urb *urb, struct pt_regs *regs) +{ + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t*)urb->context; + usX2Ydev_t *usX2Y = subs->usX2Y; + snd_usX2Y_substream_t *prepare_subs = usX2Y->prepare_subs; + if (NULL != prepare_subs) + if (urb->start_frame == prepare_subs->urb[0]->start_frame) { + usX2Y_subs_startup_finish(usX2Y); + atomic_inc(&prepare_subs->state); + wake_up(&usX2Y->prepare_wait_queue); + } + + i_usX2Y_urb_complete(urb, regs); +} + +static void usX2Y_subs_prepare(snd_usX2Y_substream_t *subs) +{ + snd_printdd("usX2Y_substream_prepare(%p) ep=%i urb0=%p urb1=%p\n", subs, subs->endpoint, subs->urb[0], subs->urb[1]); + /* reset the pointer */ + subs->hwptr = 0; + subs->hwptr_done = 0; + subs->transfer_done = 0; +} + + +static void usX2Y_urb_release(struct urb** urb, int free_tb) +{ + if (*urb) { + usb_kill_urb(*urb); + if (free_tb) + kfree((*urb)->transfer_buffer); + usb_free_urb(*urb); + *urb = NULL; + } +} +/* + * release a substreams urbs + */ +static void usX2Y_urbs_release(snd_usX2Y_substream_t *subs) +{ + int i; + snd_printdd("usX2Y_urbs_release() %i\n", subs->endpoint); + for (i = 0; i < NRURBS; i++) + usX2Y_urb_release(subs->urb + i, subs != subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]); + + if (subs->tmpbuf) { + kfree(subs->tmpbuf); + subs->tmpbuf = NULL; + } +} +/* + * initialize a substream's urbs + */ +static int usX2Y_urbs_allocate(snd_usX2Y_substream_t *subs) +{ + int i; + unsigned int pipe; + int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + struct usb_device *dev = subs->usX2Y->chip.dev; + + pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) : + usb_rcvisocpipe(dev, subs->endpoint); + subs->maxpacksize = usb_maxpacket(dev, pipe, is_playback); + if (!subs->maxpacksize) + return -EINVAL; + + if (is_playback && NULL == subs->tmpbuf) { /* allocate a temporary buffer for playback */ + subs->tmpbuf = kcalloc(nr_of_packs(), subs->maxpacksize, GFP_KERNEL); + if (NULL == subs->tmpbuf) { + snd_printk(KERN_ERR "cannot malloc tmpbuf\n"); + return -ENOMEM; + } + } + /* allocate and initialize data urbs */ + for (i = 0; i < NRURBS; i++) { + struct urb** purb = subs->urb + i; + if (*purb) { + usb_kill_urb(*purb); + continue; + } + *purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL); + if (NULL == *purb) { + usX2Y_urbs_release(subs); + return -ENOMEM; + } + if (!is_playback && !(*purb)->transfer_buffer) { + /* allocate a capture buffer per urb */ + (*purb)->transfer_buffer = kmalloc(subs->maxpacksize * nr_of_packs(), GFP_KERNEL); + if (NULL == (*purb)->transfer_buffer) { + usX2Y_urbs_release(subs); + return -ENOMEM; + } + } + (*purb)->dev = dev; + (*purb)->pipe = pipe; + (*purb)->number_of_packets = nr_of_packs(); + (*purb)->context = subs; + (*purb)->interval = 1; + (*purb)->complete = i_usX2Y_subs_startup; + } + return 0; +} + +static void usX2Y_subs_startup(snd_usX2Y_substream_t *subs) +{ + usX2Ydev_t *usX2Y = subs->usX2Y; + usX2Y->prepare_subs = subs; + subs->urb[0]->start_frame = -1; + wmb(); + usX2Y_urbs_set_complete(usX2Y, i_usX2Y_subs_startup); +} + +static int usX2Y_urbs_start(snd_usX2Y_substream_t *subs) +{ + int i, err; + usX2Ydev_t *usX2Y = subs->usX2Y; + + if ((err = usX2Y_urbs_allocate(subs)) < 0) + return err; + subs->completed_urb = NULL; + for (i = 0; i < 4; i++) { + snd_usX2Y_substream_t *subs = usX2Y->subs[i]; + if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED) + goto start; + } + usX2Y->wait_iso_frame = -1; + start: + { + usX2Y_subs_startup(subs); + for (i = 0; i < NRURBS; i++) { + struct urb *urb = subs->urb[i]; + if (usb_pipein(urb->pipe)) { + unsigned long pack; + if (0 == i) + atomic_set(&subs->state, state_STARTING3); + urb->dev = usX2Y->chip.dev; + urb->transfer_flags = URB_ISO_ASAP; + for (pack = 0; pack < nr_of_packs(); pack++) { + urb->iso_frame_desc[pack].offset = subs->maxpacksize * pack; + urb->iso_frame_desc[pack].length = subs->maxpacksize; + } + urb->transfer_buffer_length = subs->maxpacksize * nr_of_packs(); + if ((err = usb_submit_urb(urb, GFP_ATOMIC)) < 0) { + snd_printk (KERN_ERR "cannot submit datapipe for urb %d, err = %d\n", i, err); + err = -EPIPE; + goto cleanup; + } else { + if (0 > usX2Y->wait_iso_frame) + usX2Y->wait_iso_frame = urb->start_frame; + } + urb->transfer_flags = 0; + } else { + atomic_set(&subs->state, state_STARTING1); + break; + } + } + err = 0; + wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs); + if (atomic_read(&subs->state) != state_PREPARED) { + err = -EPIPE; + } + + cleanup: + if (err) { + usX2Y_subs_startup_finish(usX2Y); + usX2Y_clients_stop(usX2Y); // something is completely wroong > stop evrything + } + } + return err; +} + +/* + * return the current pcm pointer. just return the hwptr_done value. + */ +static snd_pcm_uframes_t snd_usX2Y_pcm_pointer(snd_pcm_substream_t *substream) +{ + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)substream->runtime->private_data; + return subs->hwptr_done; +} +/* + * start/stop substream + */ +static int snd_usX2Y_pcm_trigger(snd_pcm_substream_t *substream, int cmd) +{ + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)substream->runtime->private_data; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + snd_printdd("snd_usX2Y_pcm_trigger(START)\n"); + if (atomic_read(&subs->state) == state_PREPARED && + atomic_read(&subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]->state) >= state_PREPARED) { + atomic_set(&subs->state, state_PRERUNNING); + } else { + snd_printdd("\n"); + return -EPIPE; + } + break; + case SNDRV_PCM_TRIGGER_STOP: + snd_printdd("snd_usX2Y_pcm_trigger(STOP)\n"); + if (atomic_read(&subs->state) >= state_PRERUNNING) + atomic_set(&subs->state, state_PREPARED); + break; + default: + return -EINVAL; + } + return 0; +} + + +/* + * allocate a buffer, setup samplerate + * + * so far we use a physically linear buffer although packetize transfer + * doesn't need a continuous area. + * if sg buffer is supported on the later version of alsa, we'll follow + * that. + */ +static struct s_c2 +{ + char c1, c2; +} + SetRate44100[] = +{ + { 0x14, 0x08}, // this line sets 44100, well actually a little less + { 0x18, 0x40}, // only tascam / frontier design knows the further lines ....... + { 0x18, 0x42}, + { 0x18, 0x45}, + { 0x18, 0x46}, + { 0x18, 0x48}, + { 0x18, 0x4A}, + { 0x18, 0x4C}, + { 0x18, 0x4E}, + { 0x18, 0x50}, + { 0x18, 0x52}, + { 0x18, 0x54}, + { 0x18, 0x56}, + { 0x18, 0x58}, + { 0x18, 0x5A}, + { 0x18, 0x5C}, + { 0x18, 0x5E}, + { 0x18, 0x60}, + { 0x18, 0x62}, + { 0x18, 0x64}, + { 0x18, 0x66}, + { 0x18, 0x68}, + { 0x18, 0x6A}, + { 0x18, 0x6C}, + { 0x18, 0x6E}, + { 0x18, 0x70}, + { 0x18, 0x72}, + { 0x18, 0x74}, + { 0x18, 0x76}, + { 0x18, 0x78}, + { 0x18, 0x7A}, + { 0x18, 0x7C}, + { 0x18, 0x7E} +}; +static struct s_c2 SetRate48000[] = +{ + { 0x14, 0x09}, // this line sets 48000, well actually a little less + { 0x18, 0x40}, // only tascam / frontier design knows the further lines ....... + { 0x18, 0x42}, + { 0x18, 0x45}, + { 0x18, 0x46}, + { 0x18, 0x48}, + { 0x18, 0x4A}, + { 0x18, 0x4C}, + { 0x18, 0x4E}, + { 0x18, 0x50}, + { 0x18, 0x52}, + { 0x18, 0x54}, + { 0x18, 0x56}, + { 0x18, 0x58}, + { 0x18, 0x5A}, + { 0x18, 0x5C}, + { 0x18, 0x5E}, + { 0x18, 0x60}, + { 0x18, 0x62}, + { 0x18, 0x64}, + { 0x18, 0x66}, + { 0x18, 0x68}, + { 0x18, 0x6A}, + { 0x18, 0x6C}, + { 0x18, 0x6E}, + { 0x18, 0x70}, + { 0x18, 0x73}, + { 0x18, 0x74}, + { 0x18, 0x76}, + { 0x18, 0x78}, + { 0x18, 0x7A}, + { 0x18, 0x7C}, + { 0x18, 0x7E} +}; +#define NOOF_SETRATE_URBS ARRAY_SIZE(SetRate48000) + +static void i_usX2Y_04Int(struct urb* urb, struct pt_regs *regs) +{ + usX2Ydev_t* usX2Y = urb->context; + + if (urb->status) { + snd_printk("snd_usX2Y_04Int() urb->status=%i\n", urb->status); + } + if (0 == --usX2Y->US04->len) + wake_up(&usX2Y->In04WaitQueue); +} + +static int usX2Y_rate_set(usX2Ydev_t *usX2Y, int rate) +{ + int err = 0, i; + snd_usX2Y_urbSeq_t *us = NULL; + int *usbdata = NULL; + struct s_c2 *ra = rate == 48000 ? SetRate48000 : SetRate44100; + + if (usX2Y->rate != rate) { + us = kmalloc(sizeof(*us) + sizeof(struct urb*) * NOOF_SETRATE_URBS, GFP_KERNEL); + if (NULL == us) { + err = -ENOMEM; + goto cleanup; + } + memset(us, 0, sizeof(*us) + sizeof(struct urb*) * NOOF_SETRATE_URBS); + usbdata = kmalloc(sizeof(int)*NOOF_SETRATE_URBS, GFP_KERNEL); + if (NULL == usbdata) { + err = -ENOMEM; + goto cleanup; + } + for (i = 0; i < NOOF_SETRATE_URBS; ++i) { + if (NULL == (us->urb[i] = usb_alloc_urb(0, GFP_KERNEL))) { + err = -ENOMEM; + goto cleanup; + } + ((char*)(usbdata + i))[0] = ra[i].c1; + ((char*)(usbdata + i))[1] = ra[i].c2; + usb_fill_bulk_urb(us->urb[i], usX2Y->chip.dev, usb_sndbulkpipe(usX2Y->chip.dev, 4), + usbdata + i, 2, i_usX2Y_04Int, usX2Y); +#ifdef OLD_USB + us->urb[i]->transfer_flags = USB_QUEUE_BULK; +#endif + } + us->submitted = 0; + us->len = NOOF_SETRATE_URBS; + usX2Y->US04 = us; + wait_event_timeout(usX2Y->In04WaitQueue, 0 == us->len, HZ); + usX2Y->US04 = NULL; + if (us->len) + err = -ENODEV; + cleanup: + if (us) { + us->submitted = 2*NOOF_SETRATE_URBS; + for (i = 0; i < NOOF_SETRATE_URBS; ++i) { + struct urb *urb = us->urb[i]; + if (urb->status) { + if (!err) + err = -ENODEV; + usb_kill_urb(urb); + } + usb_free_urb(urb); + } + usX2Y->US04 = NULL; + kfree(usbdata); + kfree(us); + if (!err) { + usX2Y->rate = rate; + } + } + } + + return err; +} + + +static int usX2Y_format_set(usX2Ydev_t *usX2Y, snd_pcm_format_t format) +{ + int alternate, err; + struct list_head* p; + if (format == SNDRV_PCM_FORMAT_S24_3LE) { + alternate = 2; + usX2Y->stride = 6; + } else { + alternate = 1; + usX2Y->stride = 4; + } + list_for_each(p, &usX2Y->chip.midi_list) { + snd_usbmidi_input_stop(p); + } + usb_kill_urb(usX2Y->In04urb); + if ((err = usb_set_interface(usX2Y->chip.dev, 0, alternate))) { + snd_printk("usb_set_interface error \n"); + return err; + } + usX2Y->In04urb->dev = usX2Y->chip.dev; + err = usb_submit_urb(usX2Y->In04urb, GFP_KERNEL); + list_for_each(p, &usX2Y->chip.midi_list) { + snd_usbmidi_input_start(p); + } + usX2Y->format = format; + usX2Y->rate = 0; + return err; +} + + +static int snd_usX2Y_pcm_hw_params(snd_pcm_substream_t *substream, + snd_pcm_hw_params_t *hw_params) +{ + int err = 0; + unsigned int rate = params_rate(hw_params); + snd_pcm_format_t format = params_format(hw_params); + snd_printdd("snd_usX2Y_hw_params(%p, %p)\n", substream, hw_params); + + { // all pcm substreams off one usX2Y have to operate at the same rate & format + snd_card_t *card = substream->pstr->pcm->card; + struct list_head *list; + list_for_each(list, &card->devices) { + snd_device_t *dev; + snd_pcm_t *pcm; + int s; + dev = snd_device(list); + if (dev->type != SNDRV_DEV_PCM) + continue; + pcm = dev->device_data; + for (s = 0; s < 2; ++s) { + snd_pcm_substream_t *test_substream; + test_substream = pcm->streams[s].substream; + if (test_substream && test_substream != substream && + test_substream->runtime && + ((test_substream->runtime->format && + test_substream->runtime->format != format) || + (test_substream->runtime->rate && + test_substream->runtime->rate != rate))) + return -EINVAL; + } + } + } + if (0 > (err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)))) { + snd_printk("snd_pcm_lib_malloc_pages(%p, %i) returned %i\n", substream, params_buffer_bytes(hw_params), err); + return err; + } + return 0; +} + +/* + * free the buffer + */ +static int snd_usX2Y_pcm_hw_free(snd_pcm_substream_t *substream) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)runtime->private_data; + down(&subs->usX2Y->prepare_mutex); + snd_printdd("snd_usX2Y_hw_free(%p)\n", substream); + + if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) { + snd_usX2Y_substream_t *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + atomic_set(&subs->state, state_STOPPED); + usX2Y_urbs_release(subs); + if (!cap_subs->pcm_substream || + !cap_subs->pcm_substream->runtime || + !cap_subs->pcm_substream->runtime->status || + cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) { + atomic_set(&cap_subs->state, state_STOPPED); + usX2Y_urbs_release(cap_subs); + } + } else { + snd_usX2Y_substream_t *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (atomic_read(&playback_subs->state) < state_PREPARED) { + atomic_set(&subs->state, state_STOPPED); + usX2Y_urbs_release(subs); + } + } + up(&subs->usX2Y->prepare_mutex); + return snd_pcm_lib_free_pages(substream); +} +/* + * prepare callback + * + * set format and initialize urbs + */ +static int snd_usX2Y_pcm_prepare(snd_pcm_substream_t *substream) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)runtime->private_data; + usX2Ydev_t *usX2Y = subs->usX2Y; + snd_usX2Y_substream_t *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + int err = 0; + snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream); + + down(&usX2Y->prepare_mutex); + usX2Y_subs_prepare(subs); +// Start hardware streams +// SyncStream first.... + if (atomic_read(&capsubs->state) < state_PREPARED) { + if (usX2Y->format != runtime->format) + if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0) + goto up_prepare_mutex; + if (usX2Y->rate != runtime->rate) + if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0) + goto up_prepare_mutex; + snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe"); + if (0 > (err = usX2Y_urbs_start(capsubs))) + goto up_prepare_mutex; + } + + if (subs != capsubs && atomic_read(&subs->state) < state_PREPARED) + err = usX2Y_urbs_start(subs); + + up_prepare_mutex: + up(&usX2Y->prepare_mutex); + return err; +} + +static snd_pcm_hardware_t snd_usX2Y_2c = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_3LE, + .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, + .rate_min = 44100, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = (2*128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0 +}; + + + +static int snd_usX2Y_pcm_open(snd_pcm_substream_t *substream) +{ + snd_usX2Y_substream_t *subs = ((snd_usX2Y_substream_t **) + snd_pcm_substream_chip(substream))[substream->stream]; + snd_pcm_runtime_t *runtime = substream->runtime; + + if (subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS) + return -EBUSY; + + runtime->hw = snd_usX2Y_2c; + runtime->private_data = subs; + subs->pcm_substream = substream; + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000); + return 0; +} + + + +static int snd_usX2Y_pcm_close(snd_pcm_substream_t *substream) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)runtime->private_data; + int err = 0; + + subs->pcm_substream = NULL; + + return err; +} + + +static snd_pcm_ops_t snd_usX2Y_pcm_ops = +{ + .open = snd_usX2Y_pcm_open, + .close = snd_usX2Y_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_usX2Y_pcm_hw_params, + .hw_free = snd_usX2Y_pcm_hw_free, + .prepare = snd_usX2Y_pcm_prepare, + .trigger = snd_usX2Y_pcm_trigger, + .pointer = snd_usX2Y_pcm_pointer, +}; + + +/* + * free a usb stream instance + */ +static void usX2Y_audio_stream_free(snd_usX2Y_substream_t **usX2Y_substream) +{ + if (NULL != usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]) { + kfree(usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]); + usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK] = NULL; + } + kfree(usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE]); + usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE] = NULL; +} + +static void snd_usX2Y_pcm_private_free(snd_pcm_t *pcm) +{ + snd_usX2Y_substream_t **usX2Y_stream = pcm->private_data; + if (usX2Y_stream) { + snd_pcm_lib_preallocate_free_for_all(pcm); + usX2Y_audio_stream_free(usX2Y_stream); + } +} + +static int usX2Y_audio_stream_new(snd_card_t *card, int playback_endpoint, int capture_endpoint) +{ + snd_pcm_t *pcm; + int err, i; + snd_usX2Y_substream_t **usX2Y_substream = + usX2Y(card)->subs + 2 * usX2Y(card)->chip.pcm_devs; + + for (i = playback_endpoint ? SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE; + i <= SNDRV_PCM_STREAM_CAPTURE; ++i) { + usX2Y_substream[i] = kcalloc(1, sizeof(snd_usX2Y_substream_t), GFP_KERNEL); + if (NULL == usX2Y_substream[i]) { + snd_printk(KERN_ERR "cannot malloc\n"); + return -ENOMEM; + } + usX2Y_substream[i]->usX2Y = usX2Y(card); + } + + if (playback_endpoint) + usX2Y_substream[SNDRV_PCM_STREAM_PLAYBACK]->endpoint = playback_endpoint; + usX2Y_substream[SNDRV_PCM_STREAM_CAPTURE]->endpoint = capture_endpoint; + + err = snd_pcm_new(card, NAME_ALLCAPS" Audio", usX2Y(card)->chip.pcm_devs, + playback_endpoint ? 1 : 0, 1, + &pcm); + if (err < 0) { + usX2Y_audio_stream_free(usX2Y_substream); + return err; + } + + if (playback_endpoint) + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_pcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_pcm_ops); + + pcm->private_data = usX2Y_substream; + pcm->private_free = snd_usX2Y_pcm_private_free; + pcm->info_flags = 0; + + sprintf(pcm->name, NAME_ALLCAPS" Audio #%d", usX2Y(card)->chip.pcm_devs); + + if ((playback_endpoint && + 0 > (err = snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream, + SNDRV_DMA_TYPE_CONTINUOUS, + snd_dma_continuous_data(GFP_KERNEL), + 64*1024, 128*1024))) || + 0 > (err = snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, + SNDRV_DMA_TYPE_CONTINUOUS, + snd_dma_continuous_data(GFP_KERNEL), + 64*1024, 128*1024))) { + snd_usX2Y_pcm_private_free(pcm); + return err; + } + usX2Y(card)->chip.pcm_devs++; + + return 0; +} + +/* + * create a chip instance and set its names. + */ +int usX2Y_audio_create(snd_card_t* card) +{ + int err = 0; + + INIT_LIST_HEAD(&usX2Y(card)->chip.pcm_list); + + if (0 > (err = usX2Y_audio_stream_new(card, 0xA, 0x8))) + return err; + if (le16_to_cpu(usX2Y(card)->chip.dev->descriptor.idProduct) == USB_ID_US428) + if (0 > (err = usX2Y_audio_stream_new(card, 0, 0xA))) + return err; + if (le16_to_cpu(usX2Y(card)->chip.dev->descriptor.idProduct) != USB_ID_US122) + err = usX2Y_rate_set(usX2Y(card), 44100); // Lets us428 recognize output-volume settings, disturbs us122. + return err; +} diff --git a/sound/usb/usx2y/usx2y.h b/sound/usb/usx2y/usx2y.h new file mode 100644 index 000000000000..7e59263dd895 --- /dev/null +++ b/sound/usb/usx2y/usx2y.h @@ -0,0 +1,51 @@ +/* + * Driver for Tascam US-X2Y USB soundcards + * + * Copyright (c) 2003 by Karsten Wiese <annabellesgarden@yahoo.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __SOUND_USX2Y_COMMON_H +#define __SOUND_USX2Y_COMMON_H + + +#define USX2Y_DRIVER_VERSION 0x0100 /* 0.1.0 */ + + +/* hwdep id string */ +#define SND_USX2Y_LOADER_ID "USX2Y Loader" +#define SND_USX2Y_USBPCM_ID "USX2Y USBPCM" + +/* hardware type */ +enum { + USX2Y_TYPE_122, + USX2Y_TYPE_224, + USX2Y_TYPE_428, + USX2Y_TYPE_NUMS +}; + +#define USB_ID_US122 0x8007 +#define USB_ID_US224 0x8005 +#define USB_ID_US428 0x8001 + +/* chip status */ +enum { + USX2Y_STAT_CHIP_INIT = (1 << 0), /* all operational */ + USX2Y_STAT_CHIP_MMAP_PCM_URBS = (1 << 1), /* pcm transport over mmaped urbs */ + USX2Y_STAT_CHIP_HUP = (1 << 31), /* all operational */ +}; + +#endif /* __SOUND_USX2Y_COMMON_H */ diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c new file mode 100644 index 000000000000..bb2c8e9000c6 --- /dev/null +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -0,0 +1,807 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* USX2Y "rawusb" aka hwdep_pcm implementation + + Its usb's unableness to atomically handle power of 2 period sized data chuncs + at standard samplerates, + what led to this part of the usx2y module: + It provides the alsa kernel half of the usx2y-alsa-jack driver pair. + The pair uses a hardware dependant alsa-device for mmaped pcm transport. + Advantage achieved: + The usb_hc moves pcm data from/into memory via DMA. + That memory is mmaped by jack's usx2y driver. + Jack's usx2y driver is the first/last to read/write pcm data. + Read/write is a combination of power of 2 period shaping and + float/int conversation. + Compared to mainline alsa/jack we leave out power of 2 period shaping inside + snd-usb-usx2y which needs memcpy() and additional buffers. + As a side effect possible unwanted pcm-data coruption resulting of + standard alsa's snd-usb-usx2y period shaping scheme falls away. + Result is sane jack operation at buffering schemes down to 128frames, + 2 periods. + plain usx2y alsa mode is able to achieve 64frames, 4periods, but only at the + cost of easier triggered i.e. aeolus xruns (128 or 256frames, + 2periods works but is useless cause of crackling). + + This is a first "proof of concept" implementation. + Later, funcionalities should migrate to more apropriate places: + Userland: + - The jackd could mmap its float-pcm buffers directly from alsa-lib. + - alsa-lib could provide power of 2 period sized shaping combined with int/float + conversation. + Currently the usx2y jack driver provides above 2 services. + Kernel: + - rawusb dma pcm buffer transport should go to snd-usb-lib, so also snd-usb-audio + devices can use it. + Currently rawusb dma pcm buffer transport (this file) is only available to snd-usb-usx2y. +*/ + +#include "usbusx2yaudio.c" + +#if defined(USX2Y_NRPACKS_VARIABLE) || (!defined(USX2Y_NRPACKS_VARIABLE) && USX2Y_NRPACKS == 1) + +#include <sound/hwdep.h> + + +static int usX2Y_usbpcm_urb_capt_retire(snd_usX2Y_substream_t *subs) +{ + struct urb *urb = subs->completed_urb; + snd_pcm_runtime_t *runtime = subs->pcm_substream->runtime; + int i, lens = 0, hwptr_done = subs->hwptr_done; + usX2Ydev_t *usX2Y = subs->usX2Y; + if (0 > usX2Y->hwdep_pcm_shm->capture_iso_start) { //FIXME + int head = usX2Y->hwdep_pcm_shm->captured_iso_head + 1; + if (head >= ARRAY_SIZE(usX2Y->hwdep_pcm_shm->captured_iso)) + head = 0; + usX2Y->hwdep_pcm_shm->capture_iso_start = head; + snd_printdd("cap start %i\n", head); + } + for (i = 0; i < nr_of_packs(); i++) { + if (urb->iso_frame_desc[i].status) { /* active? hmm, skip this */ + snd_printk("activ frame status %i. Most propably some hardware problem.\n", urb->iso_frame_desc[i].status); + return urb->iso_frame_desc[i].status; + } + lens += urb->iso_frame_desc[i].actual_length / usX2Y->stride; + } + if ((hwptr_done += lens) >= runtime->buffer_size) + hwptr_done -= runtime->buffer_size; + subs->hwptr_done = hwptr_done; + subs->transfer_done += lens; + /* update the pointer, call callback if necessary */ + if (subs->transfer_done >= runtime->period_size) { + subs->transfer_done -= runtime->period_size; + snd_pcm_period_elapsed(subs->pcm_substream); + } + return 0; +} + +static inline int usX2Y_iso_frames_per_buffer(snd_pcm_runtime_t *runtime, usX2Ydev_t * usX2Y) +{ + return (runtime->buffer_size * 1000) / usX2Y->rate + 1; //FIXME: so far only correct period_size == 2^x ? +} + +/* + * prepare urb for playback data pipe + * + * we copy the data directly from the pcm buffer. + * the current position to be copied is held in hwptr field. + * since a urb can handle only a single linear buffer, if the total + * transferred area overflows the buffer boundary, we cannot send + * it directly from the buffer. thus the data is once copied to + * a temporary buffer and urb points to that. + */ +static int usX2Y_hwdep_urb_play_prepare(snd_usX2Y_substream_t *subs, + struct urb *urb) +{ + int count, counts, pack; + usX2Ydev_t *usX2Y = subs->usX2Y; + struct snd_usX2Y_hwdep_pcm_shm *shm = usX2Y->hwdep_pcm_shm; + snd_pcm_runtime_t *runtime = subs->pcm_substream->runtime; + + if (0 > shm->playback_iso_start) { + shm->playback_iso_start = shm->captured_iso_head - + usX2Y_iso_frames_per_buffer(runtime, usX2Y); + if (0 > shm->playback_iso_start) + shm->playback_iso_start += ARRAY_SIZE(shm->captured_iso); + shm->playback_iso_head = shm->playback_iso_start; + } + + count = 0; + for (pack = 0; pack < nr_of_packs(); pack++) { + /* calculate the size of a packet */ + counts = shm->captured_iso[shm->playback_iso_head].length / usX2Y->stride; + if (counts < 43 || counts > 50) { + snd_printk("should not be here with counts=%i\n", counts); + return -EPIPE; + } + /* set up descriptor */ + urb->iso_frame_desc[pack].offset = shm->captured_iso[shm->playback_iso_head].offset; + urb->iso_frame_desc[pack].length = shm->captured_iso[shm->playback_iso_head].length; + if (atomic_read(&subs->state) != state_RUNNING) + memset((char *)urb->transfer_buffer + urb->iso_frame_desc[pack].offset, 0, + urb->iso_frame_desc[pack].length); + if (++shm->playback_iso_head >= ARRAY_SIZE(shm->captured_iso)) + shm->playback_iso_head = 0; + count += counts; + } + urb->transfer_buffer_length = count * usX2Y->stride; + return 0; +} + + +static inline void usX2Y_usbpcm_urb_capt_iso_advance(snd_usX2Y_substream_t *subs, struct urb *urb) +{ + int pack; + for (pack = 0; pack < nr_of_packs(); ++pack) { + struct usb_iso_packet_descriptor *desc = urb->iso_frame_desc + pack; + if (NULL != subs) { + snd_usX2Y_hwdep_pcm_shm_t *shm = subs->usX2Y->hwdep_pcm_shm; + int head = shm->captured_iso_head + 1; + if (head >= ARRAY_SIZE(shm->captured_iso)) + head = 0; + shm->captured_iso[head].frame = urb->start_frame + pack; + shm->captured_iso[head].offset = desc->offset; + shm->captured_iso[head].length = desc->actual_length; + shm->captured_iso_head = head; + shm->captured_iso_frames++; + } + if ((desc->offset += desc->length * NRURBS*nr_of_packs()) + + desc->length >= SSS) + desc->offset -= (SSS - desc->length); + } +} + +static inline int usX2Y_usbpcm_usbframe_complete(snd_usX2Y_substream_t *capsubs, + snd_usX2Y_substream_t *capsubs2, + snd_usX2Y_substream_t *playbacksubs, int frame) +{ + int err, state; + struct urb *urb = playbacksubs->completed_urb; + + state = atomic_read(&playbacksubs->state); + if (NULL != urb) { + if (state == state_RUNNING) + usX2Y_urb_play_retire(playbacksubs, urb); + else + if (state >= state_PRERUNNING) { + atomic_inc(&playbacksubs->state); + } + } else { + switch (state) { + case state_STARTING1: + urb = playbacksubs->urb[0]; + atomic_inc(&playbacksubs->state); + break; + case state_STARTING2: + urb = playbacksubs->urb[1]; + atomic_inc(&playbacksubs->state); + break; + } + } + if (urb) { + if ((err = usX2Y_hwdep_urb_play_prepare(playbacksubs, urb)) || + (err = usX2Y_urb_submit(playbacksubs, urb, frame))) { + return err; + } + } + + playbacksubs->completed_urb = NULL; + + state = atomic_read(&capsubs->state); + if (state >= state_PREPARED) { + if (state == state_RUNNING) { + if ((err = usX2Y_usbpcm_urb_capt_retire(capsubs))) + return err; + } else { + if (state >= state_PRERUNNING) + atomic_inc(&capsubs->state); + } + usX2Y_usbpcm_urb_capt_iso_advance(capsubs, capsubs->completed_urb); + if (NULL != capsubs2) + usX2Y_usbpcm_urb_capt_iso_advance(NULL, capsubs2->completed_urb); + if ((err = usX2Y_urb_submit(capsubs, capsubs->completed_urb, frame))) + return err; + if (NULL != capsubs2) + if ((err = usX2Y_urb_submit(capsubs2, capsubs2->completed_urb, frame))) + return err; + } + capsubs->completed_urb = NULL; + if (NULL != capsubs2) + capsubs2->completed_urb = NULL; + return 0; +} + + +static void i_usX2Y_usbpcm_urb_complete(struct urb *urb, struct pt_regs *regs) +{ + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t*)urb->context; + usX2Ydev_t *usX2Y = subs->usX2Y; + snd_usX2Y_substream_t *capsubs, *capsubs2, *playbacksubs; + + if (unlikely(atomic_read(&subs->state) < state_PREPARED)) { + snd_printdd("hcd_frame=%i ep=%i%s status=%i start_frame=%i\n", usb_get_current_frame_number(usX2Y->chip.dev), subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", urb->status, urb->start_frame); + return; + } + if (unlikely(urb->status)) { + usX2Y_error_urb_status(usX2Y, subs, urb); + return; + } + if (likely((0xFFFF & urb->start_frame) == usX2Y->wait_iso_frame)) + subs->completed_urb = urb; + else { + usX2Y_error_sequence(usX2Y, subs, urb); + return; + } + + capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + capsubs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (capsubs->completed_urb && atomic_read(&capsubs->state) >= state_PREPARED && + (NULL == capsubs2 || capsubs2->completed_urb) && + (playbacksubs->completed_urb || atomic_read(&playbacksubs->state) < state_PREPARED)) { + if (!usX2Y_usbpcm_usbframe_complete(capsubs, capsubs2, playbacksubs, urb->start_frame)) { + if (nr_of_packs() <= urb->start_frame && + urb->start_frame <= (2 * nr_of_packs() - 1)) // uhci and ohci + usX2Y->wait_iso_frame = urb->start_frame - nr_of_packs(); + else + usX2Y->wait_iso_frame += nr_of_packs(); + } else { + snd_printdd("\n"); + usX2Y_clients_stop(usX2Y); + } + } +} + + +static void usX2Y_hwdep_urb_release(struct urb** urb) +{ + usb_kill_urb(*urb); + usb_free_urb(*urb); + *urb = NULL; +} + +/* + * release a substream + */ +static void usX2Y_usbpcm_urbs_release(snd_usX2Y_substream_t *subs) +{ + int i; + snd_printdd("snd_usX2Y_urbs_release() %i\n", subs->endpoint); + for (i = 0; i < NRURBS; i++) + usX2Y_hwdep_urb_release(subs->urb + i); +} + +static void usX2Y_usbpcm_subs_startup_finish(usX2Ydev_t * usX2Y) +{ + usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_urb_complete); + usX2Y->prepare_subs = NULL; +} + +static void i_usX2Y_usbpcm_subs_startup(struct urb *urb, struct pt_regs *regs) +{ + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t*)urb->context; + usX2Ydev_t *usX2Y = subs->usX2Y; + snd_usX2Y_substream_t *prepare_subs = usX2Y->prepare_subs; + if (NULL != prepare_subs && + urb->start_frame == prepare_subs->urb[0]->start_frame) { + atomic_inc(&prepare_subs->state); + if (prepare_subs == usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]) { + snd_usX2Y_substream_t *cap_subs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + if (cap_subs2 != NULL) + atomic_inc(&cap_subs2->state); + } + usX2Y_usbpcm_subs_startup_finish(usX2Y); + wake_up(&usX2Y->prepare_wait_queue); + } + + i_usX2Y_usbpcm_urb_complete(urb, regs); +} + +/* + * initialize a substream's urbs + */ +static int usX2Y_usbpcm_urbs_allocate(snd_usX2Y_substream_t *subs) +{ + int i; + unsigned int pipe; + int is_playback = subs == subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + struct usb_device *dev = subs->usX2Y->chip.dev; + + pipe = is_playback ? usb_sndisocpipe(dev, subs->endpoint) : + usb_rcvisocpipe(dev, subs->endpoint); + subs->maxpacksize = usb_maxpacket(dev, pipe, is_playback); + if (!subs->maxpacksize) + return -EINVAL; + + /* allocate and initialize data urbs */ + for (i = 0; i < NRURBS; i++) { + struct urb** purb = subs->urb + i; + if (*purb) { + usb_kill_urb(*purb); + continue; + } + *purb = usb_alloc_urb(nr_of_packs(), GFP_KERNEL); + if (NULL == *purb) { + usX2Y_usbpcm_urbs_release(subs); + return -ENOMEM; + } + (*purb)->transfer_buffer = is_playback ? + subs->usX2Y->hwdep_pcm_shm->playback : ( + subs->endpoint == 0x8 ? + subs->usX2Y->hwdep_pcm_shm->capture0x8 : + subs->usX2Y->hwdep_pcm_shm->capture0xA); + + (*purb)->dev = dev; + (*purb)->pipe = pipe; + (*purb)->number_of_packets = nr_of_packs(); + (*purb)->context = subs; + (*purb)->interval = 1; + (*purb)->complete = i_usX2Y_usbpcm_subs_startup; + } + return 0; +} + +/* + * free the buffer + */ +static int snd_usX2Y_usbpcm_hw_free(snd_pcm_substream_t *substream) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)runtime->private_data, + *cap_subs2 = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; + down(&subs->usX2Y->prepare_mutex); + snd_printdd("snd_usX2Y_usbpcm_hw_free(%p)\n", substream); + + if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) { + snd_usX2Y_substream_t *cap_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + atomic_set(&subs->state, state_STOPPED); + usX2Y_usbpcm_urbs_release(subs); + if (!cap_subs->pcm_substream || + !cap_subs->pcm_substream->runtime || + !cap_subs->pcm_substream->runtime->status || + cap_subs->pcm_substream->runtime->status->state < SNDRV_PCM_STATE_PREPARED) { + atomic_set(&cap_subs->state, state_STOPPED); + if (NULL != cap_subs2) + atomic_set(&cap_subs2->state, state_STOPPED); + usX2Y_usbpcm_urbs_release(cap_subs); + if (NULL != cap_subs2) + usX2Y_usbpcm_urbs_release(cap_subs2); + } + } else { + snd_usX2Y_substream_t *playback_subs = subs->usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; + if (atomic_read(&playback_subs->state) < state_PREPARED) { + atomic_set(&subs->state, state_STOPPED); + if (NULL != cap_subs2) + atomic_set(&cap_subs2->state, state_STOPPED); + usX2Y_usbpcm_urbs_release(subs); + if (NULL != cap_subs2) + usX2Y_usbpcm_urbs_release(cap_subs2); + } + } + up(&subs->usX2Y->prepare_mutex); + return snd_pcm_lib_free_pages(substream); +} + +static void usX2Y_usbpcm_subs_startup(snd_usX2Y_substream_t *subs) +{ + usX2Ydev_t * usX2Y = subs->usX2Y; + usX2Y->prepare_subs = subs; + subs->urb[0]->start_frame = -1; + smp_wmb(); // Make shure above modifications are seen by i_usX2Y_subs_startup() + usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_subs_startup); +} + +static int usX2Y_usbpcm_urbs_start(snd_usX2Y_substream_t *subs) +{ + int p, u, err, + stream = subs->pcm_substream->stream; + usX2Ydev_t *usX2Y = subs->usX2Y; + + if (SNDRV_PCM_STREAM_CAPTURE == stream) { + usX2Y->hwdep_pcm_shm->captured_iso_head = -1; + usX2Y->hwdep_pcm_shm->captured_iso_frames = 0; + } + + for (p = 0; 3 >= (stream + p); p += 2) { + snd_usX2Y_substream_t *subs = usX2Y->subs[stream + p]; + if (subs != NULL) { + if ((err = usX2Y_usbpcm_urbs_allocate(subs)) < 0) + return err; + subs->completed_urb = NULL; + } + } + + for (p = 0; p < 4; p++) { + snd_usX2Y_substream_t *subs = usX2Y->subs[p]; + if (subs != NULL && atomic_read(&subs->state) >= state_PREPARED) + goto start; + } + usX2Y->wait_iso_frame = -1; + + start: + usX2Y_usbpcm_subs_startup(subs); + for (u = 0; u < NRURBS; u++) { + for (p = 0; 3 >= (stream + p); p += 2) { + snd_usX2Y_substream_t *subs = usX2Y->subs[stream + p]; + if (subs != NULL) { + struct urb *urb = subs->urb[u]; + if (usb_pipein(urb->pipe)) { + unsigned long pack; + if (0 == u) + atomic_set(&subs->state, state_STARTING3); + urb->dev = usX2Y->chip.dev; + urb->transfer_flags = URB_ISO_ASAP; + for (pack = 0; pack < nr_of_packs(); pack++) { + urb->iso_frame_desc[pack].offset = subs->maxpacksize * (pack + u * nr_of_packs()); + urb->iso_frame_desc[pack].length = subs->maxpacksize; + } + urb->transfer_buffer_length = subs->maxpacksize * nr_of_packs(); + if ((err = usb_submit_urb(urb, GFP_KERNEL)) < 0) { + snd_printk (KERN_ERR "cannot usb_submit_urb() for urb %d, err = %d\n", u, err); + err = -EPIPE; + goto cleanup; + } else { + snd_printdd("%i\n", urb->start_frame); + if (0 > usX2Y->wait_iso_frame) + usX2Y->wait_iso_frame = urb->start_frame; + } + urb->transfer_flags = 0; + } else { + atomic_set(&subs->state, state_STARTING1); + break; + } + } + } + } + err = 0; + wait_event(usX2Y->prepare_wait_queue, NULL == usX2Y->prepare_subs); + if (atomic_read(&subs->state) != state_PREPARED) + err = -EPIPE; + + cleanup: + if (err) { + usX2Y_subs_startup_finish(usX2Y); // Call it now + usX2Y_clients_stop(usX2Y); // something is completely wroong > stop evrything + } + return err; +} + +/* + * prepare callback + * + * set format and initialize urbs + */ +static int snd_usX2Y_usbpcm_prepare(snd_pcm_substream_t *substream) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)runtime->private_data; + usX2Ydev_t *usX2Y = subs->usX2Y; + snd_usX2Y_substream_t *capsubs = subs->usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; + int err = 0; + snd_printdd("snd_usX2Y_pcm_prepare(%p)\n", substream); + + if (NULL == usX2Y->hwdep_pcm_shm) { + if (NULL == (usX2Y->hwdep_pcm_shm = snd_malloc_pages(sizeof(snd_usX2Y_hwdep_pcm_shm_t), GFP_KERNEL))) + return -ENOMEM; + memset(usX2Y->hwdep_pcm_shm, 0, sizeof(snd_usX2Y_hwdep_pcm_shm_t)); + } + + down(&usX2Y->prepare_mutex); + usX2Y_subs_prepare(subs); +// Start hardware streams +// SyncStream first.... + if (atomic_read(&capsubs->state) < state_PREPARED) { + if (usX2Y->format != runtime->format) + if ((err = usX2Y_format_set(usX2Y, runtime->format)) < 0) + goto up_prepare_mutex; + if (usX2Y->rate != runtime->rate) + if ((err = usX2Y_rate_set(usX2Y, runtime->rate)) < 0) + goto up_prepare_mutex; + snd_printdd("starting capture pipe for %s\n", subs == capsubs ? "self" : "playpipe"); + if (0 > (err = usX2Y_usbpcm_urbs_start(capsubs))) + goto up_prepare_mutex; + } + + if (subs != capsubs) { + usX2Y->hwdep_pcm_shm->playback_iso_start = -1; + if (atomic_read(&subs->state) < state_PREPARED) { + while (usX2Y_iso_frames_per_buffer(runtime, usX2Y) > usX2Y->hwdep_pcm_shm->captured_iso_frames) { + signed long timeout; + snd_printd("Wait: iso_frames_per_buffer=%i,captured_iso_frames=%i\n", usX2Y_iso_frames_per_buffer(runtime, usX2Y), usX2Y->hwdep_pcm_shm->captured_iso_frames); + set_current_state(TASK_INTERRUPTIBLE); + timeout = schedule_timeout(HZ/100 + 1); + if (signal_pending(current)) { + err = -ERESTARTSYS; + goto up_prepare_mutex; + } + } + if (0 > (err = usX2Y_usbpcm_urbs_start(subs))) + goto up_prepare_mutex; + } + snd_printd("Ready: iso_frames_per_buffer=%i,captured_iso_frames=%i\n", usX2Y_iso_frames_per_buffer(runtime, usX2Y), usX2Y->hwdep_pcm_shm->captured_iso_frames); + } else + usX2Y->hwdep_pcm_shm->capture_iso_start = -1; + + up_prepare_mutex: + up(&usX2Y->prepare_mutex); + return err; +} + +static snd_pcm_hardware_t snd_usX2Y_4c = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_3LE, + .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, + .rate_min = 44100, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 4, + .buffer_bytes_max = (2*128*1024), + .period_bytes_min = 64, + .period_bytes_max = (128*1024), + .periods_min = 2, + .periods_max = 1024, + .fifo_size = 0 +}; + + + +static int snd_usX2Y_usbpcm_open(snd_pcm_substream_t *substream) +{ + snd_usX2Y_substream_t *subs = ((snd_usX2Y_substream_t **) + snd_pcm_substream_chip(substream))[substream->stream]; + snd_pcm_runtime_t *runtime = substream->runtime; + + if (!(subs->usX2Y->chip_status & USX2Y_STAT_CHIP_MMAP_PCM_URBS)) + return -EBUSY; + + runtime->hw = SNDRV_PCM_STREAM_PLAYBACK == substream->stream ? snd_usX2Y_2c : + (subs->usX2Y->subs[3] ? snd_usX2Y_4c : snd_usX2Y_2c); + runtime->private_data = subs; + subs->pcm_substream = substream; + snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 1000, 200000); + return 0; +} + + +static int snd_usX2Y_usbpcm_close(snd_pcm_substream_t *substream) +{ + snd_pcm_runtime_t *runtime = substream->runtime; + snd_usX2Y_substream_t *subs = (snd_usX2Y_substream_t *)runtime->private_data; + int err = 0; + snd_printd("\n"); + subs->pcm_substream = NULL; + return err; +} + + +static snd_pcm_ops_t snd_usX2Y_usbpcm_ops = +{ + .open = snd_usX2Y_usbpcm_open, + .close = snd_usX2Y_usbpcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_usX2Y_pcm_hw_params, + .hw_free = snd_usX2Y_usbpcm_hw_free, + .prepare = snd_usX2Y_usbpcm_prepare, + .trigger = snd_usX2Y_pcm_trigger, + .pointer = snd_usX2Y_pcm_pointer, +}; + + +static int usX2Y_pcms_lock_check(snd_card_t *card) +{ + struct list_head *list; + snd_device_t *dev; + snd_pcm_t *pcm; + int err = 0; + list_for_each(list, &card->devices) { + dev = snd_device(list); + if (dev->type != SNDRV_DEV_PCM) + continue; + pcm = dev->device_data; + down(&pcm->open_mutex); + } + list_for_each(list, &card->devices) { + int s; + dev = snd_device(list); + if (dev->type != SNDRV_DEV_PCM) + continue; + pcm = dev->device_data; + for (s = 0; s < 2; ++s) { + snd_pcm_substream_t *substream; + substream = pcm->streams[s].substream; + if (substream && substream->open_flag) + err = -EBUSY; + } + } + return err; +} + + +static void usX2Y_pcms_unlock(snd_card_t *card) +{ + struct list_head *list; + snd_device_t *dev; + snd_pcm_t *pcm; + list_for_each(list, &card->devices) { + dev = snd_device(list); + if (dev->type != SNDRV_DEV_PCM) + continue; + pcm = dev->device_data; + up(&pcm->open_mutex); + } +} + + +static int snd_usX2Y_hwdep_pcm_open(snd_hwdep_t *hw, struct file *file) +{ + // we need to be the first + snd_card_t *card = hw->card; + int err = usX2Y_pcms_lock_check(card); + if (0 == err) + usX2Y(card)->chip_status |= USX2Y_STAT_CHIP_MMAP_PCM_URBS; + usX2Y_pcms_unlock(card); + return err; +} + + +static int snd_usX2Y_hwdep_pcm_release(snd_hwdep_t *hw, struct file *file) +{ + snd_card_t *card = hw->card; + int err = usX2Y_pcms_lock_check(card); + if (0 == err) + usX2Y(hw->card)->chip_status &= ~USX2Y_STAT_CHIP_MMAP_PCM_URBS; + usX2Y_pcms_unlock(card); + return err; +} + + +static void snd_usX2Y_hwdep_pcm_vm_open(struct vm_area_struct *area) +{ +} + + +static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area) +{ +} + + +static struct page * snd_usX2Y_hwdep_pcm_vm_nopage(struct vm_area_struct *area, unsigned long address, int *type) +{ + unsigned long offset; + struct page *page; + void *vaddr; + + offset = area->vm_pgoff << PAGE_SHIFT; + offset += address - area->vm_start; + snd_assert((offset % PAGE_SIZE) == 0, return NOPAGE_OOM); + vaddr = (char*)((usX2Ydev_t*)area->vm_private_data)->hwdep_pcm_shm + offset; + page = virt_to_page(vaddr); + + if (type) + *type = VM_FAULT_MINOR; + + return page; +} + + +static struct vm_operations_struct snd_usX2Y_hwdep_pcm_vm_ops = { + .open = snd_usX2Y_hwdep_pcm_vm_open, + .close = snd_usX2Y_hwdep_pcm_vm_close, + .nopage = snd_usX2Y_hwdep_pcm_vm_nopage, +}; + + +static int snd_usX2Y_hwdep_pcm_mmap(snd_hwdep_t * hw, struct file *filp, struct vm_area_struct *area) +{ + unsigned long size = (unsigned long)(area->vm_end - area->vm_start); + usX2Ydev_t *usX2Y = (usX2Ydev_t*)hw->private_data; + + if (!(((usX2Ydev_t*)hw->private_data)->chip_status & USX2Y_STAT_CHIP_INIT)) + return -EBUSY; + + /* if userspace tries to mmap beyond end of our buffer, fail */ + if (size > PAGE_ALIGN(sizeof(snd_usX2Y_hwdep_pcm_shm_t))) { + snd_printd("%lu > %lu\n", size, (unsigned long)sizeof(snd_usX2Y_hwdep_pcm_shm_t)); + return -EINVAL; + } + + if (!usX2Y->hwdep_pcm_shm) { + return -ENODEV; + } + area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops; + area->vm_flags |= VM_RESERVED; + snd_printd("vm_flags=0x%lX\n", area->vm_flags); + area->vm_private_data = hw->private_data; + return 0; +} + + +static void snd_usX2Y_hwdep_pcm_private_free(snd_hwdep_t *hwdep) +{ + usX2Ydev_t *usX2Y = (usX2Ydev_t *)hwdep->private_data; + if (NULL != usX2Y->hwdep_pcm_shm) + snd_free_pages(usX2Y->hwdep_pcm_shm, sizeof(snd_usX2Y_hwdep_pcm_shm_t)); +} + + +static void snd_usX2Y_usbpcm_private_free(snd_pcm_t *pcm) +{ + snd_pcm_lib_preallocate_free_for_all(pcm); +} + + +int usX2Y_hwdep_pcm_new(snd_card_t* card) +{ + int err; + snd_hwdep_t *hw; + snd_pcm_t *pcm; + struct usb_device *dev = usX2Y(card)->chip.dev; + if (1 != nr_of_packs()) + return 0; + + if ((err = snd_hwdep_new(card, SND_USX2Y_USBPCM_ID, 1, &hw)) < 0) { + snd_printd("\n"); + return err; + } + hw->iface = SNDRV_HWDEP_IFACE_USX2Y_PCM; + hw->private_data = usX2Y(card); + hw->private_free = snd_usX2Y_hwdep_pcm_private_free; + hw->ops.open = snd_usX2Y_hwdep_pcm_open; + hw->ops.release = snd_usX2Y_hwdep_pcm_release; + hw->ops.mmap = snd_usX2Y_hwdep_pcm_mmap; + hw->exclusive = 1; + sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm", dev->bus->busnum, dev->devnum); + + err = snd_pcm_new(card, NAME_ALLCAPS" hwdep Audio", 2, 1, 1, &pcm); + if (err < 0) { + return err; + } + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_usX2Y_usbpcm_ops); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_usX2Y_usbpcm_ops); + + pcm->private_data = usX2Y(card)->subs; + pcm->private_free = snd_usX2Y_usbpcm_private_free; + pcm->info_flags = 0; + + sprintf(pcm->name, NAME_ALLCAPS" hwdep Audio"); + if (0 > (err = snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream, + SNDRV_DMA_TYPE_CONTINUOUS, + snd_dma_continuous_data(GFP_KERNEL), + 64*1024, 128*1024)) || + 0 > (err = snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream, + SNDRV_DMA_TYPE_CONTINUOUS, + snd_dma_continuous_data(GFP_KERNEL), + 64*1024, 128*1024))) { + snd_usX2Y_usbpcm_private_free(pcm); + return err; + } + + + return 0; +} + +#else + +int usX2Y_hwdep_pcm_new(snd_card_t* card) +{ + return 0; +} + +#endif diff --git a/sound/usb/usx2y/usx2yhwdeppcm.h b/sound/usb/usx2y/usx2yhwdeppcm.h new file mode 100644 index 000000000000..d68f0cbdbbe2 --- /dev/null +++ b/sound/usb/usx2y/usx2yhwdeppcm.h @@ -0,0 +1,21 @@ +#define MAXPACK 50 +#define MAXBUFFERMS 100 +#define MAXSTRIDE 3 + +#define SSS (((MAXPACK*MAXBUFFERMS*MAXSTRIDE + 4096) / 4096) * 4096) +struct snd_usX2Y_hwdep_pcm_shm { + char playback[SSS]; + char capture0x8[SSS]; + char capture0xA[SSS]; + volatile int playback_iso_head; + int playback_iso_start; + struct { + int frame, + offset, + length; + } captured_iso[128]; + volatile int captured_iso_head; + volatile unsigned captured_iso_frames; + int capture_iso_start; +}; +typedef struct snd_usX2Y_hwdep_pcm_shm snd_usX2Y_hwdep_pcm_shm_t; |