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ASoC: SOF: Copy compress parameters into extended data

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Allocate memory at the end of sof_ipc_stream_params to store
snd_compr_params in order to be sent them to SOF firmware.

This will help firmware correctly configure codecs parameters.

Notice, that we use 2 bytes from the reserved pool in order to store
the extended data length. This is compatible with older FWs where
there was no extended data.

Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220712141531.14599-3-daniel.baluta@oss.nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Daniel Baluta 2022-07-12 17:15:29 +03:00 committed by Mark Brown
parent d5770daef6
commit 3f70c360d4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 17 additions and 6 deletions
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6
include/sound/sof/stream.h
View File

@ -86,9 +86,11 @@ struct sof_ipc_stream_params {
uint32_t host_period_bytes;
uint16_t no_stream_position; /**< 1 means don't send stream position */
uint8_t cont_update_posn; /**< 1 means continuous update stream position */
uint8_t reserved[5];
uint8_t reserved0;
int16_t ext_data_length; /**< 0, means no extended data */
uint8_t reserved[2];
uint16_t chmap[SOF_IPC_MAX_CHANNELS]; /**< channel map - SOF_CHMAP_ */
uint8_t ext_data[]; /**< extended data */
} __packed;
/* PCM params info - SOF_IPC_STREAM_PCM_PARAMS */

17
sound/soc/sof/compress.c
View File

@ -170,6 +170,7 @@ static int sof_compr_set_params(struct snd_soc_component *component,
struct snd_compr_tstamp *tstamp;
struct sof_ipc_pcm_params *pcm;
struct snd_sof_pcm *spcm;
size_t ext_data_size;
int ret;
tstamp = crtd->private_data;
@ -179,7 +180,12 @@ static int sof_compr_set_params(struct snd_soc_component *component,
if (!spcm)
return -EINVAL;
pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
ext_data_size = sizeof(params->codec);
if (sizeof(*pcm) + ext_data_size > sdev->ipc->max_payload_size)
return -EINVAL;
pcm = kzalloc(sizeof(*pcm) + ext_data_size, GFP_KERNEL);
if (!pcm)
return -ENOMEM;
@ -194,11 +200,11 @@ static int sof_compr_set_params(struct snd_soc_component *component,
goto out;
pcm->params.buffer.pages = PFN_UP(crtd->dma_bytes);
pcm->hdr.size = sizeof(*pcm);
pcm->hdr.size = sizeof(*pcm) + ext_data_size;
pcm->hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
pcm->comp_id = spcm->stream[cstream->direction].comp_id;
pcm->params.hdr.size = sizeof(pcm->params);
pcm->params.hdr.size = sizeof(pcm->params) + ext_data_size;
pcm->params.buffer.phy_addr = spcm->stream[cstream->direction].page_table.addr;
pcm->params.buffer.size = crtd->dma_bytes;
pcm->params.direction = cstream->direction;
@ -209,8 +215,11 @@ static int sof_compr_set_params(struct snd_soc_component *component,
pcm->params.sample_container_bytes =
snd_pcm_format_physical_width(SNDRV_PCM_FORMAT_S32) >> 3;
pcm->params.host_period_bytes = params->buffer.fragment_size;
pcm->params.ext_data_length = ext_data_size;
ret = sof_ipc_tx_message(sdev->ipc, pcm, sizeof(*pcm),
memcpy((u8 *)pcm->params.ext_data, &params->codec, ext_data_size);
ret = sof_ipc_tx_message(sdev->ipc, pcm, sizeof(*pcm) + ext_data_size,
&ipc_params_reply, sizeof(ipc_params_reply));
if (ret < 0) {
dev_err(component->dev, "error ipc failed\n");