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Subject[PATCH v3 8/9] ASoC: qcom: q6asm-dai: add support for ALAC and APE decoders
Date
Qualcomm DSPs also supports the ALAC and APE decoders, so add support
for these and convert the snd_codec_params to qdsp format.

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
---
sound/soc/qcom/qdsp6/q6asm-dai.c | 70 +++++++++++++++++++++++++++++++-
1 file changed, 69 insertions(+), 1 deletion(-)

diff --git a/sound/soc/qcom/qdsp6/q6asm-dai.c b/sound/soc/qcom/qdsp6/q6asm-dai.c
index 53c250778eea..833486545d4b 100644
--- a/sound/soc/qcom/qdsp6/q6asm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6asm-dai.c
@@ -41,6 +41,9 @@
#define Q6ASM_DAI_TX 1
#define Q6ASM_DAI_RX 2

+#define ALAC_CH_LAYOUT_MONO ((101 << 16) | 1)
+#define ALAC_CH_LAYOUT_STEREO ((101 << 16) | 2)
+
enum stream_state {
Q6ASM_STREAM_IDLE = 0,
Q6ASM_STREAM_STOPPED,
@@ -628,12 +631,16 @@ static int q6asm_dai_compr_set_params(struct snd_compr_stream *stream,
struct q6asm_dai_data *pdata;
struct q6asm_flac_cfg flac_cfg;
struct q6asm_wma_cfg wma_cfg;
+ struct q6asm_alac_cfg alac_cfg;
+ struct q6asm_ape_cfg ape_cfg;
unsigned int wma_v9 = 0;
struct device *dev = c->dev;
int ret;
union snd_codec_options *codec_options;
struct snd_dec_flac *flac;
struct snd_dec_wma *wma;
+ struct snd_dec_alac *alac;
+ struct snd_dec_ape *ape;

codec_options = &(prtd->codec_param.codec.options);

@@ -756,6 +763,65 @@ static int q6asm_dai_compr_set_params(struct snd_compr_stream *stream,
dev_err(dev, "WMA9 CMD failed:%d\n", ret);
return -EIO;
}
+ break;
+
+ case SND_AUDIOCODEC_ALAC:
+ memset(&alac_cfg, 0x0, sizeof(alac_cfg));
+ alac = &codec_options->alac_d;
+
+ alac_cfg.sample_rate = params->codec.sample_rate;
+ alac_cfg.avg_bit_rate = params->codec.bit_rate;
+ alac_cfg.bit_depth = prtd->bits_per_sample;
+ alac_cfg.num_channels = params->codec.ch_in;
+
+ alac_cfg.frame_length = alac->frame_length;
+ alac_cfg.pb = alac->pb;
+ alac_cfg.mb = alac->mb;
+ alac_cfg.kb = alac->kb;
+ alac_cfg.max_run = alac->max_run;
+ alac_cfg.compatible_version = alac->compatible_version;
+ alac_cfg.max_frame_bytes = alac->max_frame_bytes;
+
+ switch (params->codec.ch_in) {
+ case 1:
+ alac_cfg.channel_layout_tag = ALAC_CH_LAYOUT_MONO;
+ break;
+ case 2:
+ alac_cfg.channel_layout_tag = ALAC_CH_LAYOUT_STEREO;
+ break;
+ }
+ ret = q6asm_stream_media_format_block_alac(prtd->audio_client,
+ &alac_cfg);
+ if (ret < 0) {
+ dev_err(dev, "ALAC CMD Format block failed:%d\n", ret);
+ return -EIO;
+ }
+ break;
+
+ case SND_AUDIOCODEC_APE:
+ memset(&ape_cfg, 0x0, sizeof(ape_cfg));
+ ape = &codec_options->ape_d;
+
+ ape_cfg.sample_rate = params->codec.sample_rate;
+ ape_cfg.num_channels = params->codec.ch_in;
+ ape_cfg.bits_per_sample = prtd->bits_per_sample;
+
+ ape_cfg.compatible_version = ape->compatible_version;
+ ape_cfg.compression_level = ape->compression_level;
+ ape_cfg.format_flags = ape->format_flags;
+ ape_cfg.blocks_per_frame = ape->blocks_per_frame;
+ ape_cfg.final_frame_blocks = ape->final_frame_blocks;
+ ape_cfg.total_frames = ape->total_frames;
+ ape_cfg.seek_table_present = ape->seek_table_present;
+
+ ret = q6asm_stream_media_format_block_ape(prtd->audio_client,
+ &ape_cfg);
+ if (ret < 0) {
+ dev_err(dev, "APE CMD Format block failed:%d\n", ret);
+ return -EIO;
+ }
+ break;
+
default:
break;
}
@@ -855,10 +921,12 @@ 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 = 3;
+ caps->num_codecs = 5;
caps->codecs[0] = SND_AUDIOCODEC_MP3;
caps->codecs[1] = SND_AUDIOCODEC_FLAC;
caps->codecs[2] = SND_AUDIOCODEC_WMA;
+ caps->codecs[3] = SND_AUDIOCODEC_ALAC;
+ caps->codecs[4] = SND_AUDIOCODEC_APE;

return 0;
}
--
2.24.1
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