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Diffstat (limited to 'src/ucm/ucm_local.h')
| -rw-r--r-- | src/ucm/ucm_local.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/ucm/ucm_local.h b/src/ucm/ucm_local.h new file mode 100644 index 00000000..ffef8f00 --- /dev/null +++ b/src/ucm/ucm_local.h @@ -0,0 +1,217 @@ +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser 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. + * + * Support for the verb/device/modifier core logic and API, + * command line tool and file parser was kindly sponsored by + * Texas Instruments Inc. + * Support for multiple active modifiers and devices, + * transition sequences, multiple client access and user defined use + * cases was kindly sponsored by Wolfson Microelectronics PLC. + * + * Copyright (C) 2008-2010 SlimLogic Ltd + * Copyright (C) 2010 Wolfson Microelectronics PLC + * Copyright (C) 2010 Texas Instruments Inc. + * Copyright (C) 2010 Red Hat Inc. + * Authors: Liam Girdwood <lrg@slimlogic.co.uk> + * Stefan Schmidt <stefan@slimlogic.co.uk> + * Justin Xu <justinx@slimlogic.co.uk> + * Jaroslav Kysela <perex@perex.cz> + */ + + + +#if 0 +#define UC_MGR_DEBUG +#endif + +#include "local.h" +#include "use-case.h" + +#define PRE_SEQ 0 +#define POST_SEQ 1 +#define MAX_FILE 256 +#define ALSA_USE_CASE_DIR ALSA_CONFIG_DIR "/ucm" +#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) +#define VERB_NOT_INITIALISED -1 + +#define SEQUENCE_ELEMENT_TYPE_CSET 1 +#define SEQUENCE_ELEMENT_TYPE_SLEEP 2 +#define SEQUENCE_ELEMENT_TYPE_EXEC 3 + +struct sequence_element { + struct list_head list; + unsigned int type; + union { + long sleep; /* Sleep time in msecs if sleep element, else 0 */ + char *cset; + char *exec; + } data; +}; + +/* + * Transition sequences. i.e. transition between one verb, device, mod to another + */ +struct transition_sequence { + struct list_head list; + char *name; + struct list_head transition_list; +}; + +/* + * Modifier Supported Devices. + */ +struct dev_list { + struct list_head list; + char *name; +}; + + +/* + * Describes a Use Case Modifier and it's enable and disable sequences. + * A use case verb can have N modifiers. + */ +struct use_case_modifier { + struct list_head list; + struct list_head active_list; + + char *name; + char *comment; + + /* modifier enable and disable sequences */ + struct list_head enable_list; + struct list_head disable_list; + + /* modifier transition list */ + struct list_head transition_list; + + /* list of supported devices per modifier */ + struct list_head dev_list; + + /* ALSA PCM devices associated with any modifier PCM streams */ + char *capture_pcm; + char *playback_pcm; + + /* Any modifier stream TQ */ + char *tq; + + /* aliased controls */ + char *playback_ctl; + char *playback_volume_id; + char *playback_switch_id; + char *capture_ctl; + char *capture_volume_id; + char *capture_switch_id; +}; + +/* + * Describes a Use Case Device and it's enable and disable sequences. + * A use case verb can have N devices. + */ +struct use_case_device { + struct list_head list; + struct list_head active_list; + + unsigned int active: 1; + + char *name; + char *comment; + long idx; /* index for similar devices i.e. 2 headphone jacks */ + + /* device enable and disable sequences */ + struct list_head enable_list; + struct list_head disable_list; + + /* device transition list */ + struct list_head transition_list; + + /* aliased controls */ + char *playback_ctl; + char *playback_volume_id; + char *playback_switch_id; + char *capture_ctl; + char *capture_volume_id; + char *capture_switch_id; +}; + +/* + * Describes a Use Case Verb and it's enable and disable sequences. + * A use case verb can have N devices and N modifiers. + */ +struct use_case_verb { + struct list_head list; + + unsigned int active: 1; + + char *name; + char *comment; + + /* verb enable and disable sequences */ + struct list_head enable_list; + struct list_head disable_list; + + /* verb transition list */ + struct list_head transition_list; + + /* verb PCMs and TQ */ + char *tq; + char *capture_pcm; + char *playback_pcm; + + /* hardware devices that can be used with this use case */ + struct list_head device_list; + + /* modifiers that can be used with this use case */ + struct list_head modifier_list; +}; + +/* + * Manages a sound card and all its use cases. + */ +struct snd_use_case_mgr { + char *card_name; + char *comment; + + /* use case verb, devices and modifier configs parsed from files */ + struct list_head verb_list; + + /* default settings - sequence */ + struct list_head default_list; + + /* current status */ + struct use_case_verb *active_verb; + struct list_head active_devices; + struct list_head active_modifiers; + + /* locking */ + pthread_mutex_t mutex; +}; + +#define uc_error SNDERR + +#ifdef UC_MGR_DEBUG +#define uc_dbg SNDERR +#else +#define uc_dbg(fmt, arg...) +#endif + +void uc_mgr_error(const char *fmt, ...); +void uc_mgr_stdout(const char *fmt, ...); + +int uc_mgr_config_load(const char *file, snd_config_t **cfg); +int uc_mgr_import_master_config(snd_use_case_mgr_t *uc_mgr); + +void uc_mgr_free_sequence_element(struct sequence_element *seq); +void uc_mgr_free_verb(snd_use_case_mgr_t *uc_mgr); +void uc_mgr_free(snd_use_case_mgr_t *uc_mgr); |