summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--sound/soc/sof/intel/apl.c1
-rw-r--r--sound/soc/sof/intel/cnl.c1
-rw-r--r--sound/soc/sof/intel/hda-stream.c20
-rw-r--r--sound/soc/sof/intel/hda.h2
-rw-r--r--sound/soc/sof/ops.h11
-rw-r--r--sound/soc/sof/pcm.c7
-rw-r--r--sound/soc/sof/sof-priv.h4
7 files changed, 46 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/apl.c b/sound/soc/sof/intel/apl.c
index f215d80dce2c..43d1c9f31ec4 100644
--- a/sound/soc/sof/intel/apl.c
+++ b/sound/soc/sof/intel/apl.c
@@ -61,6 +61,7 @@ const struct snd_sof_dsp_ops sof_apl_ops = {
.pcm_open = hda_dsp_pcm_open,
.pcm_close = hda_dsp_pcm_close,
.pcm_hw_params = hda_dsp_pcm_hw_params,
+ .pcm_hw_free = hda_dsp_stream_hw_free,
.pcm_trigger = hda_dsp_pcm_trigger,
.pcm_pointer = hda_dsp_pcm_pointer,
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c
index d59305787fc3..3840f81767fa 100644
--- a/sound/soc/sof/intel/cnl.c
+++ b/sound/soc/sof/intel/cnl.c
@@ -219,6 +219,7 @@ const struct snd_sof_dsp_ops sof_cnl_ops = {
.pcm_open = hda_dsp_pcm_open,
.pcm_close = hda_dsp_pcm_close,
.pcm_hw_params = hda_dsp_pcm_hw_params,
+ .pcm_hw_free = hda_dsp_stream_hw_free,
.pcm_trigger = hda_dsp_pcm_trigger,
.pcm_pointer = hda_dsp_pcm_pointer,
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index a3f7c91469ec..ff6ab0c45d8e 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -438,6 +438,26 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev,
return ret;
}
+int hda_dsp_stream_hw_free(struct snd_sof_dev *sdev,
+ struct snd_pcm_substream *substream)
+{
+ struct hdac_stream *stream = substream->runtime->private_data;
+ struct hdac_ext_stream *link_dev = container_of(stream,
+ struct hdac_ext_stream,
+ hstream);
+ struct hdac_bus *bus = sof_to_bus(sdev);
+ u32 mask = 0x1 << stream->index;
+
+ spin_lock(&bus->reg_lock);
+ /* couple host and link DMA if link DMA channel is idle */
+ if (!link_dev->link_locked)
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR,
+ SOF_HDA_REG_PP_PPCTL, mask, 0);
+ spin_unlock(&bus->reg_lock);
+
+ return 0;
+}
+
irqreturn_t hda_dsp_stream_interrupt(int irq, void *context)
{
struct hdac_bus *bus = context;
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 327621ef5cf3..8812dae9cf7a 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -468,6 +468,8 @@ int hda_dsp_pcm_hw_params(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct sof_ipc_stream_params *ipc_params);
+int hda_dsp_stream_hw_free(struct snd_sof_dev *sdev,
+ struct snd_pcm_substream *substream);
int hda_dsp_pcm_trigger(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream, int cmd);
snd_pcm_uframes_t hda_dsp_pcm_pointer(struct snd_sof_dev *sdev,
diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h
index a23297353750..45a3d1091163 100644
--- a/sound/soc/sof/ops.h
+++ b/sound/soc/sof/ops.h
@@ -287,6 +287,17 @@ snd_sof_pcm_platform_hw_params(struct snd_sof_dev *sdev,
return 0;
}
+/* host stream hw free */
+static inline int
+snd_sof_pcm_platform_hw_free(struct snd_sof_dev *sdev,
+ struct snd_pcm_substream *substream)
+{
+ if (sof_ops(sdev) && sof_ops(sdev)->pcm_hw_free)
+ return sof_ops(sdev)->pcm_hw_free(sdev, substream);
+
+ return 0;
+}
+
/* host stream trigger */
static inline int
snd_sof_pcm_platform_trigger(struct snd_sof_dev *sdev,
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c
index 6dc5f97be0bc..334e9d59b1ba 100644
--- a/sound/soc/sof/pcm.c
+++ b/sound/soc/sof/pcm.c
@@ -251,6 +251,13 @@ static int sof_pcm_hw_free(struct snd_pcm_substream *substream)
cancel_work_sync(&spcm->stream[substream->stream].period_elapsed_work);
+ if (ret < 0)
+ return ret;
+
+ ret = snd_sof_pcm_platform_hw_free(sdev, substream);
+ if (ret < 0)
+ dev_err(sdev->dev, "error: platform hw free failed\n");
+
return ret;
}
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index cf1b047f8cb6..58621db4fd31 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -143,6 +143,10 @@ struct snd_sof_dsp_ops {
struct snd_pcm_hw_params *params,
struct sof_ipc_stream_params *ipc_params); /* optional */
+ /* host stream hw_free */
+ int (*pcm_hw_free)(struct snd_sof_dev *sdev,
+ struct snd_pcm_substream *substream); /* optional */
+
/* host stream trigger */
int (*pcm_trigger)(struct snd_sof_dev *sdev,
struct snd_pcm_substream *substream,