From: Jeeja KP jeeja.kp@intel.com
For calculating the HDA DMA format, use the max_bps supported by the DAI caps instead of fixing it to 32/24. For host DMA the Max bps support is 32, but in case of link DMA, this depends on the codec capability. So use the sig_bits to define the bps supported by dai.
Signed-off-by: Jeeja KP jeeja.kp@intel.com --- sound/soc/intel/skylake/skl-pcm.c | 25 ++++++++++++++++++++++--- sound/soc/intel/skylake/skl-topology.c | 2 ++ sound/soc/intel/skylake/skl-topology.h | 2 ++ 3 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index 2f90bc4..3c61dba 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -155,7 +155,7 @@ int skl_pcm_host_dma_prepare(struct device *dev, struct skl_pipe_params *params) snd_hdac_ext_stream_decouple(ebus, stream, true);
format_val = snd_hdac_calc_stream_format(params->s_freq, - params->ch, params->format, 32, 0); + params->ch, params->format, params->host_bps, 0);
dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n", format_val, params->s_freq, params->ch, params->format); @@ -190,8 +190,8 @@ int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params)
stream = stream_to_hdac_ext_stream(hstream); snd_hdac_ext_stream_decouple(ebus, stream, true); - format_val = snd_hdac_calc_stream_format(params->s_freq, - params->ch, params->format, 24, 0); + format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch, + params->format, params->link_bps, 0);
dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n", format_val, params->s_freq, params->ch, params->format); @@ -309,6 +309,11 @@ static int skl_pcm_hw_params(struct snd_pcm_substream *substream, p_params.host_dma_id = dma_id; p_params.stream = substream->stream; p_params.format = params_format(params); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + p_params.host_bps = dai->driver->playback.sig_bits; + else + p_params.host_bps = dai->driver->capture.sig_bits; +
m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream); if (m_cfg) @@ -547,6 +552,11 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream, p_params.link_index = link->index; p_params.format = params_format(params);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + p_params.link_bps = codec_dai->driver->playback.sig_bits; + else + p_params.link_bps = codec_dai->driver->capture.sig_bits; + return skl_tplg_be_update_params(dai, &p_params); }
@@ -652,6 +662,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, + .sig_bits = 32, }, .capture = { .stream_name = "System Capture", @@ -659,6 +670,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { .channels_max = HDA_STEREO, .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + .sig_bits = 32, }, }, { @@ -670,6 +682,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { .channels_max = HDA_QUAD, .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + .sig_bits = 32, }, }, { @@ -681,6 +694,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { .channels_max = HDA_STEREO, .rates = SNDRV_PCM_RATE_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + .sig_bits = 32, }, }, { @@ -692,6 +706,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { .channels_max = HDA_STEREO, .rates = SNDRV_PCM_RATE_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + .sig_bits = 32, }, }, { @@ -703,6 +718,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { .channels_max = HDA_QUAD, .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, + .sig_bits = 32, }, }, { @@ -718,6 +734,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { SNDRV_PCM_RATE_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, + .sig_bits = 32, }, }, { @@ -733,6 +750,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { SNDRV_PCM_RATE_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, + .sig_bits = 32, }, }, { @@ -748,6 +766,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = { SNDRV_PCM_RATE_192000, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE, + .sig_bits = 32, }, },
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index c6bd4bb..43f9cb3 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -1242,10 +1242,12 @@ static void skl_tplg_fill_dma_id(struct skl_module_cfg *mcfg, case SKL_DEVICE_HDALINK: pipe->p_params->link_dma_id = params->link_dma_id; pipe->p_params->link_index = params->link_index; + pipe->p_params->link_bps = params->link_bps; break;
case SKL_DEVICE_HDAHOST: pipe->p_params->host_dma_id = params->host_dma_id; + pipe->p_params->host_bps = params->host_bps; break;
default: diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h index fefab0e..bf2c63b 100644 --- a/sound/soc/intel/skylake/skl-topology.h +++ b/sound/soc/intel/skylake/skl-topology.h @@ -257,6 +257,8 @@ struct skl_pipe_params { snd_pcm_format_t format; int link_index; int stream; + unsigned int host_bps; + unsigned int link_bps; };
struct skl_pipe {