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alsa: Integrate UCM basic functions

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UCM basic functions will provide another way to handle the alsa mixer
and controls. That means alsa card module will make use of alsa ucm
configurations provided by various audio systems instead of mixer and
paths configurations provided by PA. PA profiles come from UCM verb, PA
sinks/sources and ports come from UCM devices.

In case the proper UCM configurations are found, ucm branches are
activated, or we will still fall through to the original way.

Signed-off-by: Feng Wei <wei.feng@freescale.com>
This commit is contained in:
Feng Wei 2012-07-05 12:53:21 +08:00 • committed by Arun Raghavan
parent 7369a53ab5
commit c19d108219
8 changed files with 1687 additions and 37 deletions
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167
src/modules/alsa/alsa-ucm.h Normal file
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#ifndef fooalsaucmhfoo
#define fooalsaucmhfoo
/***
This file is part of PulseAudio.
Copyright 2011 Wolfson Microelectronics PLC
Author Margarita Olaya <magi@slimlogic.co.uk>
Copyright 2012 Feng Wei <wei.feng@freescale.com>, Freescale Ltd.
PulseAudio 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 2.1 of the License,
or (at your option) any later version.
PulseAudio 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 Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <use-case.h>
#include "alsa-mixer.h"
/** For devices: List of verbs, devices or modifiers available */
#define PA_ALSA_PROP_UCM_NAME "alsa.ucm.name"
/** For devices: List of supported devices per verb*/
#define PA_ALSA_PROP_UCM_DESCRIPTION "alsa.ucm.description"
/** For devices: Playback device name e.g PlaybackPCM */
#define PA_ALSA_PROP_UCM_SINK "alsa.ucm.sink"
/** For devices: Capture device name e.g CapturePCM*/
#define PA_ALSA_PROP_UCM_SOURCE "alsa.ucm.source"
/** For devices: Playback roles */
#define PA_ALSA_PROP_UCM_PLAYBACK_ROLES "alsa.ucm.playback.roles"
/** For devices: Playback control volume ID string. e.g PlaybackVolume */
#define PA_ALSA_PROP_UCM_PLAYBACK_VOLUME "alsa.ucm.playback.volume"
/** For devices: Playback switch e.g PlaybackSwitch */
#define PA_ALSA_PROP_UCM_PLAYBACK_SWITCH "alsa.ucm.playback.switch"
/** For devices: Playback priority */
#define PA_ALSA_PROP_UCM_PLAYBACK_PRIORITY "alsa.ucm.playback.priority"
/** For devices: Playback channels */
#define PA_ALSA_PROP_UCM_PLAYBACK_CHANNELS "alsa.ucm.playback.channels"
/** For devices: Capture roles */
#define PA_ALSA_PROP_UCM_CAPTURE_ROLES "alsa.ucm.capture.roles"
/** For devices: Capture controls volume ID string. e.g CaptureVolume */
#define PA_ALSA_PROP_UCM_CAPTURE_VOLUME "alsa.ucm.capture.volume"
/** For devices: Capture switch e.g CaptureSwitch */
#define PA_ALSA_PROP_UCM_CAPTURE_SWITCH "alsa.ucm.capture.switch"
/** For devices: Capture priority */
#define PA_ALSA_PROP_UCM_CAPTURE_PRIORITY "alsa.ucm.capture.priority"
/** For devices: Capture channels */
#define PA_ALSA_PROP_UCM_CAPTURE_CHANNELS "alsa.ucm.capture.channels"
/** For devices: Quality of Service */
#define PA_ALSA_PROP_UCM_QOS "alsa.ucm.qos"
typedef struct pa_alsa_ucm_verb pa_alsa_ucm_verb;
typedef struct pa_alsa_ucm_modifier pa_alsa_ucm_modifier;
typedef struct pa_alsa_ucm_device pa_alsa_ucm_device;
typedef struct pa_alsa_ucm_config pa_alsa_ucm_config;
typedef struct pa_alsa_ucm_mapping_context pa_alsa_ucm_mapping_context;
int pa_alsa_ucm_query_profiles(pa_alsa_ucm_config *ucm, int card_index);
pa_alsa_profile_set* pa_alsa_ucm_add_profile_set(pa_alsa_ucm_config *ucm, pa_channel_map *default_channel_map);
int pa_alsa_ucm_set_profile(pa_alsa_ucm_config *ucm, const char *new_profile, const char *old_profile);
int pa_alsa_ucm_get_verb(snd_use_case_mgr_t *uc_mgr, const char *verb_name, const char *verb_desc, pa_alsa_ucm_verb **p_verb);
void pa_alsa_ucm_add_ports(
pa_hashmap **hash,
pa_proplist *proplist,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_card *card);
void pa_alsa_ucm_add_ports_combination(
pa_hashmap *hash,
pa_alsa_ucm_mapping_context *context,
bool is_sink,
pa_hashmap *ports,
pa_card_profile *cp,
pa_core *core);
int pa_alsa_ucm_set_port(pa_alsa_ucm_mapping_context *context, pa_device_port *port, bool is_sink);
void pa_alsa_ucm_free(pa_alsa_ucm_config *ucm);
void pa_alsa_ucm_mapping_context_free(pa_alsa_ucm_mapping_context *context);
/* UCM - Use Case Manager is available on some audio cards */
struct pa_alsa_ucm_device {
PA_LLIST_FIELDS(pa_alsa_ucm_device);
pa_proplist *proplist;
unsigned playback_priority;
unsigned capture_priority;
unsigned playback_channels;
unsigned capture_channels;
pa_alsa_mapping *playback_mapping;
pa_alsa_mapping *capture_mapping;
pa_idxset *conflicting_devices;
pa_idxset *supported_devices;
};
struct pa_alsa_ucm_modifier {
PA_LLIST_FIELDS(pa_alsa_ucm_modifier);
pa_proplist *proplist;
int n_confdev;
int n_suppdev;
const char **conflicting_devices;
const char **supported_devices;
pa_direction_t action_direction;
char *media_role;
};
struct pa_alsa_ucm_verb {
PA_LLIST_FIELDS(pa_alsa_ucm_verb);
pa_proplist *proplist;
PA_LLIST_HEAD(pa_alsa_ucm_device, devices);
PA_LLIST_HEAD(pa_alsa_ucm_modifier, modifiers);
};
struct pa_alsa_ucm_config {
pa_core *core;
snd_use_case_mgr_t *ucm_mgr;
pa_alsa_ucm_verb *active_verb;
PA_LLIST_HEAD(pa_alsa_ucm_verb, verbs);
};
struct pa_alsa_ucm_mapping_context {
pa_alsa_ucm_config *ucm;
pa_direction_t direction;
pa_idxset *ucm_devices;
pa_idxset *ucm_modifiers;
};
#endif