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-rw-r--r--sound/soc/intel/sst-mfld-platform-pcm.c102
-rw-r--r--sound/soc/intel/sst-mfld-platform.h2
2 files changed, 71 insertions, 33 deletions
diff --git a/sound/soc/intel/sst-mfld-platform-pcm.c b/sound/soc/intel/sst-mfld-platform-pcm.c
index 80879e5fcb49..6e7bfb1bc4aa 100644
--- a/sound/soc/intel/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/sst-mfld-platform-pcm.c
@@ -143,52 +143,90 @@ static inline int sst_get_stream_status(struct sst_runtime_stream *stream)
return state;
}
+static void sst_fill_alloc_params(struct snd_pcm_substream *substream,
+ struct snd_sst_alloc_params_ext *alloc_param)
+{
+ unsigned int channels;
+ snd_pcm_uframes_t period_size;
+ ssize_t periodbytes;
+ ssize_t buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
+ u32 buffer_addr = virt_to_phys(substream->dma_buffer.area);
+
+ channels = substream->runtime->channels;
+ period_size = substream->runtime->period_size;
+ periodbytes = samples_to_bytes(substream->runtime, period_size);
+ alloc_param->ring_buf_info[0].addr = buffer_addr;
+ alloc_param->ring_buf_info[0].size = buffer_bytes;
+ alloc_param->sg_count = 1;
+ alloc_param->reserved = 0;
+ alloc_param->frag_size = periodbytes * channels;
+
+}
static void sst_fill_pcm_params(struct snd_pcm_substream *substream,
- struct sst_pcm_params *param)
+ struct snd_sst_stream_params *param)
{
+ param->uc.pcm_params.num_chan = (u8) substream->runtime->channels;
+ param->uc.pcm_params.pcm_wd_sz = substream->runtime->sample_bits;
+ param->uc.pcm_params.sfreq = substream->runtime->rate;
- param->num_chan = (u8) substream->runtime->channels;
- param->pcm_wd_sz = substream->runtime->sample_bits;
- param->reserved = 0;
- param->sfreq = substream->runtime->rate;
- param->ring_buffer_size = snd_pcm_lib_buffer_bytes(substream);
- param->period_count = substream->runtime->period_size;
- param->ring_buffer_addr = virt_to_phys(substream->dma_buffer.area);
- pr_debug("period_cnt = %d\n", param->period_count);
- pr_debug("sfreq= %d, wd_sz = %d\n", param->sfreq, param->pcm_wd_sz);
+ /* PCM stream via ALSA interface */
+ param->uc.pcm_params.use_offload_path = 0;
+ param->uc.pcm_params.reserved2 = 0;
+ memset(param->uc.pcm_params.channel_map, 0, sizeof(u8));
+
+}
+int sst_fill_stream_params(void *substream,
+ struct snd_sst_params *str_params, bool is_compress)
+{
+ struct snd_pcm_substream *pstream = NULL;
+ struct snd_compr_stream *cstream = NULL;
+
+ if (is_compress == true)
+ cstream = (struct snd_compr_stream *)substream;
+ else
+ pstream = (struct snd_pcm_substream *)substream;
+
+ str_params->stream_type = SST_STREAM_TYPE_MUSIC;
+
+ /* For pcm streams */
+ if (pstream)
+ str_params->ops = (u8)pstream->stream;
+ if (cstream)
+ str_params->ops = (u8)cstream->direction;
+
+ return 0;
}
-static int sst_platform_alloc_stream(struct snd_pcm_substream *substream)
+static int sst_platform_alloc_stream(struct snd_pcm_substream *substream,
+ struct snd_soc_platform *platform)
{
struct sst_runtime_stream *stream =
substream->runtime->private_data;
- struct sst_pcm_params param = {0};
- struct sst_stream_params str_params = {0};
- int ret_val;
+ struct snd_sst_stream_params param = {{{0,},},};
+ struct snd_sst_params str_params = {0};
+ struct snd_sst_alloc_params_ext alloc_params = {0};
+ int ret_val = 0;
/* set codec params and inform SST driver the same */
sst_fill_pcm_params(substream, &param);
+ sst_fill_alloc_params(substream, &alloc_params);
substream->runtime->dma_area = substream->dma_buffer.area;
str_params.sparams = param;
- str_params.codec = param.codec;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- str_params.ops = STREAM_OPS_PLAYBACK;
- str_params.device_type = substream->pcm->device + 1;
- pr_debug("Playbck stream,Device %d\n",
- substream->pcm->device);
- } else {
- str_params.ops = STREAM_OPS_CAPTURE;
- str_params.device_type = SND_SST_DEVICE_CAPTURE;
- pr_debug("Capture stream,Device %d\n",
- substream->pcm->device);
- }
- ret_val = stream->ops->open(&str_params);
- pr_debug("SST_SND_PLAY/CAPTURE ret_val = %x\n", ret_val);
+ str_params.aparams = alloc_params;
+ str_params.codec = SST_CODEC_TYPE_PCM;
+
+ /* fill the device type and stream id to pass to SST driver */
+ ret_val = sst_fill_stream_params(substream, &str_params, false);
if (ret_val < 0)
return ret_val;
- stream->stream_info.str_id = ret_val;
- pr_debug("str id : %d\n", stream->stream_info.str_id);
+ stream->stream_info.str_id = str_params.stream_id;
+
+ ret_val = stream->ops->open(&str_params);
+ if (ret_val <= 0)
+ return ret_val;
+
+
return ret_val;
}
@@ -300,8 +338,8 @@ static int sst_media_prepare(struct snd_pcm_substream *substream,
return ret_val;
}
- ret_val = sst_platform_alloc_stream(substream);
- if (ret_val < 0)
+ ret_val = sst_platform_alloc_stream(substream, dai->platform);
+ if (ret_val <= 0)
return ret_val;
snprintf(substream->pcm->id, sizeof(substream->pcm->id),
"%d", stream->stream_info.str_id);
diff --git a/sound/soc/intel/sst-mfld-platform.h b/sound/soc/intel/sst-mfld-platform.h
index 33a0a2776238..aa5ddbb26d93 100644
--- a/sound/soc/intel/sst-mfld-platform.h
+++ b/sound/soc/intel/sst-mfld-platform.h
@@ -125,7 +125,7 @@ struct compress_sst_ops {
};
struct sst_ops {
- int (*open) (struct sst_stream_params *str_param);
+ int (*open) (struct snd_sst_params *str_param);
int (*device_control) (int cmd, void *arg);
int (*close) (unsigned int str_id);
};