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topology: Add C API support for PCM

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PCM objects can be added by C API. And this is used to create FE DAIs
and DAI links in kernel.

Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Mengdong Lin 2015-11-05 20:49:36 +08:00 • committed by Jaroslav Kysela
parent 2286a6fd4d
commit 93b420b9e2
3 changed files with 103 additions and 0 deletions
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36
include/topology.h
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@ -660,6 +660,41 @@ struct snd_tplg_stream_template {
int channels; /*!< number of channels */
};
/** \struct snd_tplg_stream_caps_template
* \brief Stream Capabilities.
*/
struct snd_tplg_stream_caps_template {
const char *name; /*!< name of the stream caps */
__le64 formats; /*!< supported formats SNDRV_PCM_FMTBIT_* */
unsigned int rates; /*!< supported rates SNDRV_PCM_RATE_* */
unsigned int rate_min; /*!< min rate */
unsigned int rate_max; /*!< max rate */
unsigned int channels_min; /*!< min channels */
unsigned int channels_max; /*!< max channels */
unsigned int periods_min; /*!< min number of periods */
unsigned int periods_max; /*!< max number of periods */
unsigned int period_size_min; /*!< min period size bytes */
unsigned int period_size_max; /*!< max period size bytes */
unsigned int buffer_size_min; /*!< min buffer size bytes */
unsigned int buffer_size_max; /*!< max buffer size bytes */
};
/** \struct snd_tplg_pcm_template
* \brief Template type for PCM (FE DAI & DAI links).
*/
struct snd_tplg_pcm_template {
const char *pcm_name; /*!< PCM stream name */
const char *dai_name; /*!< DAI name */
unsigned int pcm_id; /*!< unique ID - used to match */
unsigned int dai_id; /*!< unique ID - used to match */
unsigned int playback; /*!< supports playback mode */
unsigned int capture; /*!< supports capture mode */
unsigned int compress; /*!< 1 = compressed; 0 = PCM */
struct snd_tplg_stream_caps_template *caps[2]; /*!< playback & capture for DAI */
int num_streams; /*!< number of supported configs */
struct snd_tplg_stream_template stream[0]; /*!< supported configs */
};
/** \struct snd_tplg_link_template
* \brief Template type for BE and CC DAI Links.
*/
@ -684,6 +719,7 @@ typedef struct snd_tplg_obj_template {
struct snd_tplg_bytes_template *bytes_ctl; /*!< Bytes control */
struct snd_tplg_enum_template *enum_ctl; /*!< Enum control */
struct snd_tplg_graph_template *graph; /*!< Graph elements */
struct snd_tplg_pcm_template *pcm; /*!< PCM elements */
struct snd_tplg_link_template *link; /*!< BE and CC Links */
};
} snd_tplg_obj_template_t;