Unverified Commit c0c87738 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Mark Brown
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ASoC: q6dsp: q6apm-dai: Add compress DAI and codec caps get callbacks 



Add q6apm get compress DAI capabilities and codec capabilities callbacks
to support compress offload playback.

Co-developed-by: default avatarMohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: default avatarMohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-9-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 88b60bf0

sound/soc/qcom/qdsp6/q6apm-dai.c

+53 −0
Original line number Diff line number Diff line
@@ -30,8 +30,25 @@ 
#define BUFFER_BYTES_MIN (PLAYBACK_MIN_NUM_PERIODS * PLAYBACK_MIN_PERIOD_SIZE)

#define COMPR_PLAYBACK_MAX_FRAGMENT_SIZE (128 * 1024)

#define COMPR_PLAYBACK_MAX_NUM_FRAGMENTS (16 * 4)

#define COMPR_PLAYBACK_MIN_FRAGMENT_SIZE (8 * 1024)

#define COMPR_PLAYBACK_MIN_NUM_FRAGMENTS (4)

#define SID_MASK_DEFAULT	0xF



static const struct snd_compr_codec_caps q6apm_compr_caps = {

	.num_descriptors = 1,

	.descriptor[0].max_ch = 2,

	.descriptor[0].sample_rates = {	8000, 11025, 12000, 16000, 22050,

					24000, 32000, 44100, 48000, 88200,

					96000, 176400, 192000 },

	.descriptor[0].num_sample_rates = 13,

	.descriptor[0].bit_rate[0] = 320,

	.descriptor[0].bit_rate[1] = 128,

	.descriptor[0].num_bitrates = 2,

	.descriptor[0].profiles = 0,

	.descriptor[0].modes = SND_AUDIOCHANMODE_MP3_STEREO,

	.descriptor[0].formats = 0,

};



enum stream_state {

	Q6APM_STREAM_IDLE = 0,

	Q6APM_STREAM_STOPPED,
@@ -41,6 +58,7 @@ enum stream_state { 
struct q6apm_dai_rtd {

	struct snd_pcm_substream *substream;

	struct snd_compr_stream *cstream;

	struct snd_codec codec;

	struct snd_compr_params codec_param;

	struct snd_dma_buffer dma_buffer;

	phys_addr_t phys;
@@ -54,6 +72,7 @@ struct q6apm_dai_rtd { 
	uint16_t bits_per_sample;

	uint16_t source; /* Encoding source bit mask */

	uint16_t session_id;

	bool next_track;

	enum stream_state state;

	struct q6apm_graph *graph;

	spinlock_t lock;
@@ -517,9 +536,43 @@ static int q6apm_dai_compr_free(struct snd_soc_component *component, 


	return 0;

}



static int q6apm_dai_compr_get_caps(struct snd_soc_component *component,

				    struct snd_compr_stream *stream,

				    struct snd_compr_caps *caps)

{

	caps->direction = SND_COMPRESS_PLAYBACK;

	caps->min_fragment_size = COMPR_PLAYBACK_MIN_FRAGMENT_SIZE;

	caps->max_fragment_size = COMPR_PLAYBACK_MAX_FRAGMENT_SIZE;

	caps->min_fragments = COMPR_PLAYBACK_MIN_NUM_FRAGMENTS;

	caps->max_fragments = COMPR_PLAYBACK_MAX_NUM_FRAGMENTS;

	caps->num_codecs = 3;

	caps->codecs[0] = SND_AUDIOCODEC_MP3;

	caps->codecs[1] = SND_AUDIOCODEC_AAC;

	caps->codecs[2] = SND_AUDIOCODEC_FLAC;



	return 0;

}



static int q6apm_dai_compr_get_codec_caps(struct snd_soc_component *component,

					  struct snd_compr_stream *stream,

					  struct snd_compr_codec_caps *codec)

{

	switch (codec->codec) {

	case SND_AUDIOCODEC_MP3:

		*codec = q6apm_compr_caps;

		break;

	default:

		break;

	}



	return 0;

}

static const struct snd_compress_ops q6apm_dai_compress_ops = {

	.open		= q6apm_dai_compr_open,

	.free		= q6apm_dai_compr_free,

	.get_caps	= q6apm_dai_compr_get_caps,

	.get_codec_caps	= q6apm_dai_compr_get_codec_caps,

};



static const struct snd_soc_component_driver q6apm_fe_dai_component = {