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// SPDX-License-Identifier: GPL-2.0-only
/*
* ff.c - a part of driver for RME Fireface series
*
* Copyright (c) 2015-2017 Takashi Sakamoto
*/
#include "ff.h"
#define OUI_RME 0x000a35
MODULE_DESCRIPTION("RME Fireface series Driver");
MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
MODULE_LICENSE("GPL v2");
static void name_card(struct snd_ff *ff)
{
struct fw_device *fw_dev = fw_parent_device(ff->unit);
const char *const names[] = {
[SND_FF_UNIT_VERSION_FF800] = "Fireface800",
[SND_FF_UNIT_VERSION_FF400] = "Fireface400",
[SND_FF_UNIT_VERSION_UFX] = "FirefaceUFX",
[SND_FF_UNIT_VERSION_UCX] = "FirefaceUCX",
[SND_FF_UNIT_VERSION_802] = "Fireface802",
};
const char *name;
name = names[ff->unit_version];
strcpy(ff->card->driver, "Fireface");
strcpy(ff->card->shortname, name);
strcpy(ff->card->mixername, name);
snprintf(ff->card->longname, sizeof(ff->card->longname),
"RME %s, GUID %08x%08x at %s, S%d", name,
fw_dev->config_rom[3], fw_dev->config_rom[4],
dev_name(&ff->unit->device), 100 << fw_dev->max_speed);
}
static void ff_card_free(struct snd_card *card)
{
struct snd_ff *ff = card->private_data;
snd_ff_stream_destroy_duplex(ff);
snd_ff_transaction_unregister(ff);
kfree(ff->msg_parser);
mutex_destroy(&ff->mutex);
fw_unit_put(ff->unit);
}
static int snd_ff_probe(struct fw_unit *unit, const struct ieee1394_device_id *entry)
{
struct snd_card *card;
struct snd_ff *ff;
int err;
err = snd_card_new(&unit->device, -1, NULL, THIS_MODULE, sizeof(*ff), &card);
if (err < 0)
return err;
card->private_free = ff_card_free;
ff = card->private_data;
ff->unit = fw_unit_get(unit);
dev_set_drvdata(&unit->device, ff);
ff->card = card;
mutex_init(&ff->mutex);
spin_lock_init(&ff->lock);
init_waitqueue_head(&ff->hwdep_wait);
ff->unit_version = entry->version;
ff->spec = (const struct snd_ff_spec *)entry->driver_data;
err = snd_ff_transaction_register(ff);
if (err < 0)
goto error;
name_card(ff);
err = snd_ff_stream_init_duplex(ff);
if (err < 0)
goto error;
snd_ff_proc_init(ff);
err = snd_ff_create_midi_devices(ff);
if (err < 0)
goto error;
err = snd_ff_create_pcm_devices(ff);
if (err < 0)
goto error;
err = snd_ff_create_hwdep_devices(ff);
if (err < 0)
goto error;
if (ff->spec->protocol->msg_parser_size > 0) {
ff->msg_parser = kzalloc(ff->spec->protocol->msg_parser_size, GFP_KERNEL);
if (!ff->msg_parser) {
err = -ENOMEM;
goto error;
}
}
err = snd_card_register(card);
if (err < 0)
goto error;
return 0;
error:
snd_card_free(card);
return err;
}
static void snd_ff_update(struct fw_unit *unit)
{
struct snd_ff *ff = dev_get_drvdata(&unit->device);
snd_ff_transaction_reregister(ff);
snd_ff_stream_update_duplex(ff);
}
static void snd_ff_remove(struct fw_unit *unit)
{
struct snd_ff *ff = dev_get_drvdata(&unit->device);
// Block till all of ALSA character devices are released.
snd_card_free(ff->card);
}
static const struct snd_ff_spec spec_ff800 = {
.pcm_capture_channels = {28, 20, 12},
.pcm_playback_channels = {28, 20, 12},
.midi_in_ports = 1,
.midi_out_ports = 1,
.protocol = &snd_ff_protocol_ff800,
.midi_high_addr = 0x000200000320ull,
.midi_addr_range = 12,
.midi_rx_addrs = {0x000080180000ull, 0},
};
static const struct snd_ff_spec spec_ff400 = {
.pcm_capture_channels = {18, 14, 10},
.pcm_playback_channels = {18, 14, 10},
.midi_in_ports = 2,
.midi_out_ports = 2,
.protocol = &snd_ff_protocol_ff400,
.midi_high_addr = 0x0000801003f4ull,
.midi_addr_range = SND_FF_MAXIMIM_MIDI_QUADS * 4,
.midi_rx_addrs = {0x000080180000ull, 0x000080190000ull},
};
static const struct snd_ff_spec spec_ucx = {
.pcm_capture_channels = {18, 14, 12},
.pcm_playback_channels = {18, 14, 12},
.midi_in_ports = 2,
.midi_out_ports = 2,
.protocol = &snd_ff_protocol_latter,
.midi_high_addr = 0xffff00000034ull,
.midi_addr_range = 0x80,
.midi_rx_addrs = {0xffff00000030ull, 0xffff00000030ull},
};
static const struct snd_ff_spec spec_ufx_802 = {
.pcm_capture_channels = {30, 22, 14},
.pcm_playback_channels = {30, 22, 14},
.midi_in_ports = 1,
.midi_out_ports = 1,
.protocol = &snd_ff_protocol_latter,
.midi_high_addr = 0xffff00000034ull,
.midi_addr_range = 0x80,
.midi_rx_addrs = {0xffff00000030ull, 0xffff00000030ull},
};
static const struct ieee1394_device_id snd_ff_id_table[] = {
/* Fireface 800 */
{
.match_flags = IEEE1394_MATCH_VENDOR_ID |
IEEE1394_MATCH_SPECIFIER_ID |
IEEE1394_MATCH_VERSION |
IEEE1394_MATCH_MODEL_ID,
.vendor_id = OUI_RME,
.specifier_id = OUI_RME,
.version = SND_FF_UNIT_VERSION_FF800,
.model_id = 0x101800,
.driver_data = (kernel_ulong_t)&spec_ff800,
},
/* Fireface 400 */
{
.match_flags = IEEE1394_MATCH_VENDOR_ID |
IEEE1394_MATCH_SPECIFIER_ID |
IEEE1394_MATCH_VERSION |
IEEE1394_MATCH_MODEL_ID,
.vendor_id = OUI_RME,
.specifier_id = OUI_RME,
.version = SND_FF_UNIT_VERSION_FF400,
.model_id = 0x101800,
.driver_data = (kernel_ulong_t)&spec_ff400,
},
// Fireface UFX.
{
.match_flags = IEEE1394_MATCH_VENDOR_ID |
IEEE1394_MATCH_SPECIFIER_ID |
IEEE1394_MATCH_VERSION |
IEEE1394_MATCH_MODEL_ID,
.vendor_id = OUI_RME,
.specifier_id = OUI_RME,
.version = SND_FF_UNIT_VERSION_UFX,
.model_id = 0x101800,
.driver_data = (kernel_ulong_t)&spec_ufx_802,
},
// Fireface UCX.
{
.match_flags = IEEE1394_MATCH_VENDOR_ID |
IEEE1394_MATCH_SPECIFIER_ID |
IEEE1394_MATCH_VERSION |
IEEE1394_MATCH_MODEL_ID,
.vendor_id = OUI_RME,
.specifier_id = OUI_RME,
.version = SND_FF_UNIT_VERSION_UCX,
.model_id = 0x101800,
.driver_data = (kernel_ulong_t)&spec_ucx,
},
// Fireface 802.
{
.match_flags = IEEE1394_MATCH_VENDOR_ID |
IEEE1394_MATCH_SPECIFIER_ID |
IEEE1394_MATCH_VERSION |
IEEE1394_MATCH_MODEL_ID,
.vendor_id = OUI_RME,
.specifier_id = OUI_RME,
.version = SND_FF_UNIT_VERSION_802,
.model_id = 0x101800,
.driver_data = (kernel_ulong_t)&spec_ufx_802,
},
{}
};
MODULE_DEVICE_TABLE(ieee1394, snd_ff_id_table);
static struct fw_driver ff_driver = {
.driver = {
.owner = THIS_MODULE,
.name = KBUILD_MODNAME,
.bus = &fw_bus_type,
},
.probe = snd_ff_probe,
.update = snd_ff_update,
.remove = snd_ff_remove,
.id_table = snd_ff_id_table,
};
static int __init snd_ff_init(void)
{
return driver_register(&ff_driver.driver);
}
static void __exit snd_ff_exit(void)
{
driver_unregister(&ff_driver.driver);
}
module_init(snd_ff_init);
module_exit(snd_ff_exit);
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