ASoC: qcom: q6asm-dai: add support to flac decoder

Qualcomm DSPs also support the flac decoder, so add support for FLAC
decoder and convert the snd_dec_flac params to qdsp format.

Co-developed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20191115102705.649976-4-vkoul@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
index f59353f..8150c10 100644 (file)
--- a/sound/soc/qcom/qdsp6/q6asm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
@@ -626,8 +626,14 @@ static int q6asm_dai_compr_set_params(struct snd_compr_stream *stream,
        struct snd_soc_component *c = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
        int dir = stream->direction;
        struct q6asm_dai_data *pdata;
+       struct q6asm_flac_cfg flac_cfg;
        struct device *dev = c->dev;
        int ret;
+       union snd_codec_options *codec_options;
+       struct snd_dec_flac *flac;
+
+       codec_options = &(prtd->codec_param.codec.options);
+
 
        memcpy(&prtd->codec_param, params, sizeof(*params));
 
@@ -664,6 +670,32 @@ static int q6asm_dai_compr_set_params(struct snd_compr_stream *stream,
                return ret;
        }
 
+       switch (params->codec.id) {
+       case SND_AUDIOCODEC_FLAC:
+
+               memset(&flac_cfg, 0x0, sizeof(struct q6asm_flac_cfg));
+               flac = &codec_options->flac_d;
+
+               flac_cfg.ch_cfg = params->codec.ch_in;
+               flac_cfg.sample_rate =  params->codec.sample_rate;
+               flac_cfg.stream_info_present = 1;
+               flac_cfg.sample_size = flac->sample_size;
+               flac_cfg.min_blk_size = flac->min_blk_size;
+               flac_cfg.max_blk_size = flac->max_blk_size;
+               flac_cfg.max_frame_size = flac->max_frame_size;
+               flac_cfg.min_frame_size = flac->min_frame_size;
+
+               ret = q6asm_stream_media_format_block_flac(prtd->audio_client,
+                                                          &flac_cfg);
+               if (ret < 0) {
+                       dev_err(dev, "FLAC CMD Format block failed:%d\n", ret);
+                       return -EIO;
+               }
+               break;
+       default:
+               break;
+       }
+
        ret = q6asm_map_memory_regions(dir, prtd->audio_client, prtd->phys,
                                       (prtd->pcm_size / prtd->periods),
                                       prtd->periods);
@@ -759,8 +791,9 @@ static int q6asm_dai_compr_get_caps(struct snd_compr_stream *stream,
        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 = 1;
+       caps->num_codecs = 2;
        caps->codecs[0] = SND_AUDIOCODEC_MP3;
+       caps->codecs[1] = SND_AUDIOCODEC_FLAC;
 
        return 0;
 }