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: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-9-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index 32df5db..d43705b 100644 (file)
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -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 = {