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Diffstat (limited to 'sound/soc/sof/pcm.c')
-rw-r--r--sound/soc/sof/pcm.c123
1 files changed, 74 insertions, 49 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index 2b876d497447..549238a98b2a 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -19,12 +19,11 @@
#define DRV_NAME "sof-audio-component"
/* Create DMA buffer page table for DSP */
-static int create_page_table(struct snd_pcm_substream *substream,
+static int create_page_table(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
unsigned char *dma_area, size_t size)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream);
@@ -95,13 +94,12 @@ void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream)
EXPORT_SYMBOL(snd_sof_pcm_period_elapsed);
/* this may get called several times by oss emulation */
-static int sof_pcm_hw_params(struct snd_pcm_substream *substream,
+static int sof_pcm_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
struct sof_ipc_pcm_params pcm;
@@ -135,7 +133,7 @@ static int sof_pcm_hw_params(struct snd_pcm_substream *substream,
* ret == 0 means the buffer is not changed
* so no need to regenerate the page table
*/
- ret = create_page_table(substream, runtime->dma_area,
+ ret = create_page_table(component, substream, runtime->dma_area,
runtime->dma_bytes);
if (ret < 0)
return ret;
@@ -237,11 +235,10 @@ static int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream,
return ret;
}
-static int sof_pcm_hw_free(struct snd_pcm_substream *substream)
+static int sof_pcm_hw_free(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
int ret, err = 0;
@@ -276,11 +273,10 @@ static int sof_pcm_hw_free(struct snd_pcm_substream *substream)
return err;
}
-static int sof_pcm_prepare(struct snd_pcm_substream *substream)
+static int sof_pcm_prepare(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
int ret;
@@ -300,7 +296,8 @@ static int sof_pcm_prepare(struct snd_pcm_substream *substream)
substream->stream);
/* set hw_params */
- ret = sof_pcm_hw_params(substream, &spcm->params[substream->stream]);
+ ret = sof_pcm_hw_params(component,
+ substream, &spcm->params[substream->stream]);
if (ret < 0) {
dev_err(sdev->dev, "error: set pcm hw_params after resume\n");
return ret;
@@ -313,11 +310,10 @@ static int sof_pcm_prepare(struct snd_pcm_substream *substream)
* FE dai link trigger actions are always executed in non-atomic context because
* they involve IPC's.
*/
-static int sof_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+static int sof_pcm_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
struct sof_ipc_stream stream;
@@ -350,8 +346,18 @@ static int sof_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE;
break;
case SNDRV_PCM_TRIGGER_RESUME:
+ if (spcm->stream[substream->stream].suspend_ignored) {
+ /*
+ * this case will be triggered when INFO_RESUME is
+ * supported, no need to resume streams that remained
+ * enabled in D0ix.
+ */
+ spcm->stream[substream->stream].suspend_ignored = false;
+ return 0;
+ }
+
/* set up hw_params */
- ret = sof_pcm_prepare(substream);
+ ret = sof_pcm_prepare(component, substream);
if (ret < 0) {
dev_err(sdev->dev,
"error: failed to set up hw_params upon resume\n");
@@ -360,9 +366,30 @@ static int sof_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
/* fallthrough */
case SNDRV_PCM_TRIGGER_START:
+ if (spcm->stream[substream->stream].suspend_ignored) {
+ /*
+ * This case will be triggered when INFO_RESUME is
+ * not supported, no need to re-start streams that
+ * remained enabled in D0ix.
+ */
+ spcm->stream[substream->stream].suspend_ignored = false;
+ return 0;
+ }
stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
+ if (sdev->s0_suspend &&
+ spcm->stream[substream->stream].d0i3_compatible) {
+ /*
+ * trap the event, not sending trigger stop to
+ * prevent the FW pipelines from being stopped,
+ * and mark the flag to ignore the upcoming DAPM
+ * PM events.
+ */
+ spcm->stream[substream->stream].suspend_ignored = true;
+ return 0;
+ }
+ /* fallthrough */
case SNDRV_PCM_TRIGGER_STOP:
stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP;
ipc_first = true;
@@ -395,11 +422,10 @@ static int sof_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
return ret;
}
-static snd_pcm_uframes_t sof_pcm_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t sof_pcm_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
snd_pcm_uframes_t host, dai;
@@ -428,13 +454,13 @@ static snd_pcm_uframes_t sof_pcm_pointer(struct snd_pcm_substream *substream)
return host;
}
-static int sof_pcm_open(struct snd_pcm_substream *substream)
+static int sof_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
+ const struct snd_sof_dsp_ops *ops = sof_ops(sdev);
struct snd_sof_pcm *spcm;
struct snd_soc_tplg_stream_caps *caps;
int ret;
@@ -464,11 +490,8 @@ static int sof_pcm_open(struct snd_pcm_substream *substream)
le32_to_cpu(caps->period_size_min));
/* set runtime config */
- runtime->hw.info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_NO_PERIOD_WAKEUP;
+ runtime->hw.info = ops->hw_info; /* platform-specific */
+
runtime->hw.formats = le64_to_cpu(caps->formats);
runtime->hw.period_bytes_min = le32_to_cpu(caps->period_size_min);
runtime->hw.period_bytes_max = le32_to_cpu(caps->period_size_max);
@@ -505,11 +528,10 @@ static int sof_pcm_open(struct snd_pcm_substream *substream)
return ret;
}
-static int sof_pcm_close(struct snd_pcm_substream *substream)
+static int sof_pcm_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
int err;
@@ -538,27 +560,14 @@ static int sof_pcm_close(struct snd_pcm_substream *substream)
return 0;
}
-static struct snd_pcm_ops sof_pcm_ops = {
- .open = sof_pcm_open,
- .close = sof_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = sof_pcm_hw_params,
- .prepare = sof_pcm_prepare,
- .hw_free = sof_pcm_hw_free,
- .trigger = sof_pcm_trigger,
- .pointer = sof_pcm_pointer,
- .page = snd_pcm_sgbuf_ops_page,
-};
-
/*
* Pre-allocate playback/capture audio buffer pages.
* no need to explicitly release memory preallocated by sof_pcm_new in pcm_free
* snd_pcm_lib_preallocate_free_for_all() is called by the core.
*/
-static int sof_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int sof_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_component *component =
- snd_soc_rtdcom_lookup(rtd, DRV_NAME);
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
struct snd_sof_pcm *spcm;
struct snd_pcm *pcm = rtd->pcm;
@@ -691,6 +700,14 @@ static int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
case SOF_DAI_INTEL_ALH:
/* do nothing for ALH dai_link */
break;
+ case SOF_DAI_IMX_ESAI:
+ channels->min = dai->dai_config->esai.tdm_slots;
+ channels->max = dai->dai_config->esai.tdm_slots;
+
+ dev_dbg(sdev->dev,
+ "channels_min: %d channels_max: %d\n",
+ channels->min, channels->max);
+ break;
default:
dev_err(sdev->dev, "error: invalid DAI type %d\n",
dai->dai_config->type);
@@ -752,11 +769,19 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
pd->name = "sof-audio-component";
pd->probe = sof_pcm_probe;
pd->remove = sof_pcm_remove;
- pd->ops = &sof_pcm_ops;
+ pd->open = sof_pcm_open;
+ pd->close = sof_pcm_close;
+ pd->ioctl = snd_soc_pcm_lib_ioctl;
+ pd->hw_params = sof_pcm_hw_params;
+ pd->prepare = sof_pcm_prepare;
+ pd->hw_free = sof_pcm_hw_free;
+ pd->trigger = sof_pcm_trigger;
+ pd->pointer = sof_pcm_pointer;
+
#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
pd->compr_ops = &sof_compressed_ops;
#endif
- pd->pcm_new = sof_pcm_new;
+ pd->pcm_construct = sof_pcm_new;
pd->ignore_machine = drv_name;
pd->be_hw_params_fixup = sof_pcm_dai_link_fixup;
pd->be_pcm_base = SOF_BE_PCM_BASE;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.