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path: root/sound/soc/intel/avs/pcm.c
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Diffstat (limited to 'sound/soc/intel/avs/pcm.c')
-rw-r--r--sound/soc/intel/avs/pcm.c416
1 files changed, 360 insertions, 56 deletions
diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c
index 8fe5917b1e26..70d687fa9923 100644
--- a/sound/soc/intel/avs/pcm.c
+++ b/sound/soc/intel/avs/pcm.c
@@ -28,6 +28,8 @@ struct avs_dma_data {
* host stream assigned
*/
struct hdac_ext_stream *host_stream;
+
+ struct snd_pcm_substream *substream;
};
static struct avs_tplg_path_template *
@@ -55,8 +57,11 @@ avs_dai_find_path_template(struct snd_soc_dai *dai, bool is_fe, int direction)
return dw->priv;
}
-static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai, bool is_fe)
+static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai, bool is_fe,
+ const struct snd_soc_dai_ops *ops)
{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct avs_dev *adev = to_avs_dev(dai->dev);
struct avs_tplg_path_template *template;
struct avs_dma_data *data;
@@ -71,9 +76,13 @@ static int avs_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_d
if (!data)
return -ENOMEM;
+ data->substream = substream;
data->template = template;
snd_soc_dai_set_dma_data(dai, substream, data);
+ if (rtd->dai_link->ignore_suspend)
+ adev->num_lp_paths++;
+
return 0;
}
@@ -151,15 +160,22 @@ static int avs_dai_prepare(struct avs_dev *adev, struct snd_pcm_substream *subst
return ret;
}
+static const struct snd_soc_dai_ops avs_dai_nonhda_be_ops;
+
static int avs_dai_nonhda_be_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
- return avs_dai_startup(substream, dai, false);
+ return avs_dai_startup(substream, dai, false, &avs_dai_nonhda_be_ops);
}
static void avs_dai_nonhda_be_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct avs_dev *adev = to_avs_dev(dai->dev);
struct avs_dma_data *data;
+ if (rtd->dai_link->ignore_suspend)
+ adev->num_lp_paths--;
+
data = snd_soc_dai_get_dma_data(dai, substream);
snd_soc_dai_set_dma_data(dai, substream, NULL);
@@ -202,30 +218,43 @@ static int avs_dai_nonhda_be_prepare(struct snd_pcm_substream *substream, struct
static int avs_dai_nonhda_be_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
struct avs_dma_data *data;
int ret = 0;
data = snd_soc_dai_get_dma_data(dai, substream);
switch (cmd) {
+ case SNDRV_PCM_TRIGGER_RESUME:
+ if (rtd->dai_link->ignore_suspend)
+ break;
+ fallthrough;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ ret = avs_path_pause(data->path);
+ if (ret < 0) {
+ dev_err(dai->dev, "pause BE path failed: %d\n", ret);
+ break;
+ }
+
ret = avs_path_run(data->path, AVS_TPLG_TRIGGER_AUTO);
if (ret < 0)
dev_err(dai->dev, "run BE path failed: %d\n", ret);
break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ if (rtd->dai_link->ignore_suspend)
+ break;
+ fallthrough;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_STOP:
ret = avs_path_pause(data->path);
if (ret < 0)
dev_err(dai->dev, "pause BE path failed: %d\n", ret);
- if (cmd == SNDRV_PCM_TRIGGER_STOP) {
- ret = avs_path_reset(data->path);
- if (ret < 0)
- dev_err(dai->dev, "reset BE path failed: %d\n", ret);
- }
+ ret = avs_path_reset(data->path);
+ if (ret < 0)
+ dev_err(dai->dev, "reset BE path failed: %d\n", ret);
break;
default:
@@ -245,9 +274,11 @@ static const struct snd_soc_dai_ops avs_dai_nonhda_be_ops = {
.trigger = avs_dai_nonhda_be_trigger,
};
+static const struct snd_soc_dai_ops avs_dai_hda_be_ops;
+
static int avs_dai_hda_be_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
- return avs_dai_startup(substream, dai, false);
+ return avs_dai_startup(substream, dai, false, &avs_dai_hda_be_ops);
}
static void avs_dai_hda_be_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
@@ -292,12 +323,12 @@ static int avs_dai_hda_be_hw_free(struct snd_pcm_substream *substream, struct sn
/* clear link <-> stream mapping */
codec = dev_to_hda_codec(asoc_rtd_to_codec(rtd, 0)->dev);
- link = snd_hdac_ext_bus_link_at(&codec->bus->core, codec->core.addr);
+ link = snd_hdac_ext_bus_get_hlink_by_addr(&codec->bus->core, codec->core.addr);
if (!link)
return -EINVAL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_hdac_ext_link_clear_stream_id(link, hdac_stream(link_stream)->stream_tag);
+ snd_hdac_ext_bus_link_clear_stream_id(link, hdac_stream(link_stream)->stream_tag);
return 0;
}
@@ -322,15 +353,15 @@ static int avs_dai_hda_be_prepare(struct snd_pcm_substream *substream, struct sn
runtime->sample_bits, 0);
snd_hdac_ext_stream_decouple(bus, link_stream, true);
- snd_hdac_ext_link_stream_reset(link_stream);
- snd_hdac_ext_link_stream_setup(link_stream, format_val);
+ snd_hdac_ext_stream_reset(link_stream);
+ snd_hdac_ext_stream_setup(link_stream, format_val);
- link = snd_hdac_ext_bus_link_at(bus, codec->core.addr);
+ link = snd_hdac_ext_bus_get_hlink_by_addr(bus, codec->core.addr);
if (!link)
return -EINVAL;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
- snd_hdac_ext_link_set_stream_id(link, hdac_stream(link_stream)->stream_tag);
+ snd_hdac_ext_bus_link_set_stream_id(link, hdac_stream(link_stream)->stream_tag);
ret = avs_dai_prepare(to_avs_dev(dai->dev), substream, dai);
if (ret)
@@ -343,6 +374,7 @@ static int avs_dai_hda_be_prepare(struct snd_pcm_substream *substream, struct sn
static int avs_dai_hda_be_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
struct hdac_ext_stream *link_stream;
struct avs_dma_data *data;
int ret = 0;
@@ -353,28 +385,40 @@ static int avs_dai_hda_be_trigger(struct snd_pcm_substream *substream, int cmd,
link_stream = substream->runtime->private_data;
switch (cmd) {
+ case SNDRV_PCM_TRIGGER_RESUME:
+ if (rtd->dai_link->ignore_suspend)
+ break;
+ fallthrough;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- snd_hdac_ext_link_stream_start(link_stream);
+ snd_hdac_ext_stream_start(link_stream);
+
+ ret = avs_path_pause(data->path);
+ if (ret < 0) {
+ dev_err(dai->dev, "pause BE path failed: %d\n", ret);
+ break;
+ }
ret = avs_path_run(data->path, AVS_TPLG_TRIGGER_AUTO);
if (ret < 0)
dev_err(dai->dev, "run BE path failed: %d\n", ret);
break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ if (rtd->dai_link->ignore_suspend)
+ break;
+ fallthrough;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_STOP:
ret = avs_path_pause(data->path);
if (ret < 0)
dev_err(dai->dev, "pause BE path failed: %d\n", ret);
- snd_hdac_ext_link_stream_clear(link_stream);
+ snd_hdac_ext_stream_clear(link_stream);
- if (cmd == SNDRV_PCM_TRIGGER_STOP) {
- ret = avs_path_reset(data->path);
- if (ret < 0)
- dev_err(dai->dev, "reset BE path failed: %d\n", ret);
- }
+ ret = avs_path_reset(data->path);
+ if (ret < 0)
+ dev_err(dai->dev, "reset BE path failed: %d\n", ret);
break;
default:
@@ -407,6 +451,8 @@ static const struct snd_pcm_hw_constraint_list hw_rates = {
.mask = 0,
};
+const struct snd_soc_dai_ops avs_dai_fe_ops;
+
static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -416,7 +462,7 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so
struct hdac_ext_stream *host_stream;
int ret;
- ret = avs_dai_startup(substream, dai, true);
+ ret = avs_dai_startup(substream, dai, true, &avs_dai_fe_ops);
if (ret)
return ret;
@@ -443,8 +489,13 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so
static void avs_dai_fe_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
+ struct avs_dev *adev = to_avs_dev(dai->dev);
struct avs_dma_data *data;
+ if (rtd->dai_link->ignore_suspend)
+ adev->num_lp_paths--;
+
data = snd_soc_dai_get_dma_data(dai, substream);
snd_soc_dai_set_dma_data(dai, substream, NULL);
@@ -499,7 +550,7 @@ create_err:
return ret;
}
-static int avs_dai_fe_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
+static int __avs_dai_fe_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
struct avs_dma_data *data;
struct hdac_ext_stream *host_stream;
@@ -523,9 +574,15 @@ static int avs_dai_fe_hw_free(struct snd_pcm_substream *substream, struct snd_so
snd_hdac_stream_cleanup(hdac_stream(host_stream));
hdac_stream(host_stream)->prepared = false;
- ret = snd_pcm_lib_free_pages(substream);
- if (ret < 0)
- dev_dbg(dai->dev, "Failed to free pages!\n");
+ return ret;
+}
+
+static int avs_dai_fe_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
+{
+ int ret;
+
+ ret = __avs_dai_fe_hw_free(substream, dai);
+ snd_pcm_lib_free_pages(substream);
return ret;
}
@@ -571,6 +628,7 @@ static int avs_dai_fe_prepare(struct snd_pcm_substream *substream, struct snd_so
static int avs_dai_fe_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
{
+ struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
struct avs_dma_data *data;
struct hdac_ext_stream *host_stream;
struct hdac_bus *bus;
@@ -582,17 +640,36 @@ static int avs_dai_fe_trigger(struct snd_pcm_substream *substream, int cmd, stru
bus = hdac_stream(host_stream)->bus;
switch (cmd) {
+ case SNDRV_PCM_TRIGGER_RESUME:
+ if (rtd->dai_link->ignore_suspend)
+ break;
+ fallthrough;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
spin_lock_irqsave(&bus->reg_lock, flags);
snd_hdac_stream_start(hdac_stream(host_stream), true);
spin_unlock_irqrestore(&bus->reg_lock, flags);
+ /* Timeout on DRSM poll shall not stop the resume so ignore the result. */
+ if (cmd == SNDRV_PCM_TRIGGER_RESUME)
+ snd_hdac_stream_wait_drsm(hdac_stream(host_stream));
+
+ ret = avs_path_pause(data->path);
+ if (ret < 0) {
+ dev_err(dai->dev, "pause FE path failed: %d\n", ret);
+ break;
+ }
+
ret = avs_path_run(data->path, AVS_TPLG_TRIGGER_AUTO);
if (ret < 0)
dev_err(dai->dev, "run FE path failed: %d\n", ret);
+
break;
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ if (rtd->dai_link->ignore_suspend)
+ break;
+ fallthrough;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_STOP:
ret = avs_path_pause(data->path);
@@ -603,11 +680,9 @@ static int avs_dai_fe_trigger(struct snd_pcm_substream *substream, int cmd, stru
snd_hdac_stream_stop(hdac_stream(host_stream));
spin_unlock_irqrestore(&bus->reg_lock, flags);
- if (cmd == SNDRV_PCM_TRIGGER_STOP) {
- ret = avs_path_reset(data->path);
- if (ret < 0)
- dev_err(dai->dev, "reset FE path failed: %d\n", ret);
- }
+ ret = avs_path_reset(data->path);
+ if (ret < 0)
+ dev_err(dai->dev, "reset FE path failed: %d\n", ret);
break;
default:
@@ -662,6 +737,7 @@ static int avs_component_load_libraries(struct avs_soc_component *acomp)
if (ret < 0)
return ret;
+ avs_hda_power_gating_enable(adev, false);
avs_hda_clock_gating_enable(adev, false);
avs_hda_l1sen_enable(adev, false);
@@ -669,6 +745,7 @@ static int avs_component_load_libraries(struct avs_soc_component *acomp)
avs_hda_l1sen_enable(adev, true);
avs_hda_clock_gating_enable(adev, true);
+ avs_hda_power_gating_enable(adev, true);
if (!ret)
ret = avs_module_info_init(adev, false);
@@ -752,33 +829,232 @@ static void avs_component_remove(struct snd_soc_component *component)
}
}
+static int avs_dai_resume_hw_params(struct snd_soc_dai *dai, struct avs_dma_data *data)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_soc_pcm_runtime *rtd;
+ int ret;
+
+ substream = data->substream;
+ rtd = snd_pcm_substream_chip(substream);
+
+ ret = dai->driver->ops->hw_params(substream, &rtd->dpcm[substream->stream].hw_params, dai);
+ if (ret)
+ dev_err(dai->dev, "hw_params on resume failed: %d\n", ret);
+
+ return ret;
+}
+
+static int avs_dai_resume_fe_prepare(struct snd_soc_dai *dai, struct avs_dma_data *data)
+{
+ struct hdac_ext_stream *host_stream;
+ struct hdac_stream *hstream;
+ struct hdac_bus *bus;
+ int ret;
+
+ host_stream = data->host_stream;
+ hstream = hdac_stream(host_stream);
+ bus = hdac_stream(host_stream)->bus;
+
+ /* Set DRSM before programming stream and position registers. */
+ snd_hdac_stream_drsm_enable(bus, true, hstream->index);
+
+ ret = dai->driver->ops->prepare(data->substream, dai);
+ if (ret) {
+ dev_err(dai->dev, "prepare FE on resume failed: %d\n", ret);
+ return ret;
+ }
+
+ writel(host_stream->pphcllpl, host_stream->pphc_addr + AZX_REG_PPHCLLPL);
+ writel(host_stream->pphcllpu, host_stream->pphc_addr + AZX_REG_PPHCLLPU);
+ writel(host_stream->pphcldpl, host_stream->pphc_addr + AZX_REG_PPHCLDPL);
+ writel(host_stream->pphcldpu, host_stream->pphc_addr + AZX_REG_PPHCLDPU);
+
+ /* As per HW spec recommendation, program LPIB and DPIB to the same value. */
+ snd_hdac_stream_set_lpib(hstream, hstream->lpib);
+ snd_hdac_stream_set_dpibr(bus, hstream, hstream->lpib);
+
+ return 0;
+}
+
+static int avs_dai_resume_be_prepare(struct snd_soc_dai *dai, struct avs_dma_data *data)
+{
+ int ret;
+
+ ret = dai->driver->ops->prepare(data->substream, dai);
+ if (ret)
+ dev_err(dai->dev, "prepare BE on resume failed: %d\n", ret);
+
+ return ret;
+}
+
+static int avs_dai_suspend_fe_hw_free(struct snd_soc_dai *dai, struct avs_dma_data *data)
+{
+ struct hdac_ext_stream *host_stream;
+ int ret;
+
+ host_stream = data->host_stream;
+
+ /* Store position addresses so we can resume from them later on. */
+ hdac_stream(host_stream)->lpib = snd_hdac_stream_get_pos_lpib(hdac_stream(host_stream));
+ host_stream->pphcllpl = readl(host_stream->pphc_addr + AZX_REG_PPHCLLPL);
+ host_stream->pphcllpu = readl(host_stream->pphc_addr + AZX_REG_PPHCLLPU);
+ host_stream->pphcldpl = readl(host_stream->pphc_addr + AZX_REG_PPHCLDPL);
+ host_stream->pphcldpu = readl(host_stream->pphc_addr + AZX_REG_PPHCLDPU);
+
+ ret = __avs_dai_fe_hw_free(data->substream, dai);
+ if (ret < 0)
+ dev_err(dai->dev, "hw_free FE on suspend failed: %d\n", ret);
+
+ return ret;
+}
+
+static int avs_dai_suspend_be_hw_free(struct snd_soc_dai *dai, struct avs_dma_data *data)
+{
+ int ret;
+
+ ret = dai->driver->ops->hw_free(data->substream, dai);
+ if (ret < 0)
+ dev_err(dai->dev, "hw_free BE on suspend failed: %d\n", ret);
+
+ return ret;
+}
+
+static int avs_component_pm_op(struct snd_soc_component *component, bool be,
+ int (*op)(struct snd_soc_dai *, struct avs_dma_data *))
+{
+ struct snd_soc_pcm_runtime *rtd;
+ struct avs_dma_data *data;
+ struct snd_soc_dai *dai;
+ int ret;
+
+ for_each_component_dais(component, dai) {
+ data = dai->playback_dma_data;
+ if (data) {
+ rtd = snd_pcm_substream_chip(data->substream);
+ if (rtd->dai_link->no_pcm == be && !rtd->dai_link->ignore_suspend) {
+ ret = op(dai, data);
+ if (ret < 0) {
+ __snd_pcm_set_state(data->substream->runtime,
+ SNDRV_PCM_STATE_DISCONNECTED);
+ return ret;
+ }
+ }
+ }
+
+ data = dai->capture_dma_data;
+ if (data) {
+ rtd = snd_pcm_substream_chip(data->substream);
+ if (rtd->dai_link->no_pcm == be && !rtd->dai_link->ignore_suspend) {
+ ret = op(dai, data);
+ if (ret < 0) {
+ __snd_pcm_set_state(data->substream->runtime,
+ SNDRV_PCM_STATE_DISCONNECTED);
+ return ret;
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int avs_component_resume_hw_params(struct snd_soc_component *component, bool be)
+{
+ return avs_component_pm_op(component, be, &avs_dai_resume_hw_params);
+}
+
+static int avs_component_resume_prepare(struct snd_soc_component *component, bool be)
+{
+ int (*prepare_cb)(struct snd_soc_dai *dai, struct avs_dma_data *data);
+
+ if (be)
+ prepare_cb = &avs_dai_resume_be_prepare;
+ else
+ prepare_cb = &avs_dai_resume_fe_prepare;
+
+ return avs_component_pm_op(component, be, prepare_cb);
+}
+
+static int avs_component_suspend_hw_free(struct snd_soc_component *component, bool be)
+{
+ int (*hw_free_cb)(struct snd_soc_dai *dai, struct avs_dma_data *data);
+
+ if (be)
+ hw_free_cb = &avs_dai_suspend_be_hw_free;
+ else
+ hw_free_cb = &avs_dai_suspend_fe_hw_free;
+
+ return avs_component_pm_op(component, be, hw_free_cb);
+}
+
+static int avs_component_suspend(struct snd_soc_component *component)
+{
+ int ret;
+
+ /*
+ * When freeing paths, FEs need to be first as they perform
+ * path unbinding.
+ */
+ ret = avs_component_suspend_hw_free(component, false);
+ if (ret)
+ return ret;
+
+ return avs_component_suspend_hw_free(component, true);
+}
+
+static int avs_component_resume(struct snd_soc_component *component)
+{
+ int ret;
+
+ /*
+ * When creating paths, FEs need to be last as they perform
+ * path binding.
+ */
+ ret = avs_component_resume_hw_params(component, true);
+ if (ret)
+ return ret;
+
+ ret = avs_component_resume_hw_params(component, false);
+ if (ret)
+ return ret;
+
+ /* It is expected that the LINK stream is prepared first. */
+ ret = avs_component_resume_prepare(component, true);
+ if (ret)
+ return ret;
+
+ return avs_component_resume_prepare(component, false);
+}
+
+static const struct snd_pcm_hardware avs_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME |
+ SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .buffer_bytes_max = AZX_MAX_BUF_SIZE,
+ .period_bytes_min = 128,
+ .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
+ .periods_min = 2,
+ .periods_max = AZX_MAX_FRAG,
+ .fifo_size = 0,
+};
+
static int avs_component_open(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
- struct snd_pcm_hardware hwparams;
/* only FE DAI links are handled here */
if (rtd->dai_link->no_pcm)
return 0;
- hwparams.info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_NO_PERIOD_WAKEUP;
-
- hwparams.formats = SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S24_LE |
- SNDRV_PCM_FMTBIT_S32_LE;
- hwparams.period_bytes_min = 128;
- hwparams.period_bytes_max = AZX_MAX_BUF_SIZE / 2;
- hwparams.periods_min = 2;
- hwparams.periods_max = AZX_MAX_FRAG;
- hwparams.buffer_bytes_max = AZX_MAX_BUF_SIZE;
- hwparams.fifo_size = 0;
-
- return snd_soc_set_runtime_hwparams(substream, &hwparams);
+ return snd_soc_set_runtime_hwparams(substream, &avs_pcm_hardware);
}
static unsigned int avs_hda_stream_dpib_read(struct hdac_ext_stream *stream)
@@ -840,6 +1116,8 @@ static const struct snd_soc_component_driver avs_component_driver = {
.name = "avs-pcm",
.probe = avs_component_probe,
.remove = avs_component_remove,
+ .suspend = avs_component_suspend,
+ .resume = avs_component_resume,
.open = avs_component_open,
.pointer = avs_component_pointer,
.mmap = avs_component_mmap,
@@ -1016,10 +1294,8 @@ static void avs_component_hda_unregister_dais(struct snd_soc_component *componen
if (!strstr(dai->driver->name, name))
continue;
- if (dai->playback_widget)
- snd_soc_dapm_free_widget(dai->playback_widget);
- if (dai->capture_widget)
- snd_soc_dapm_free_widget(dai->capture_widget);
+ snd_soc_dapm_free_widget(dai->playback_widget);
+ snd_soc_dapm_free_widget(dai->capture_widget);
snd_soc_unregister_dai(dai);
}
}
@@ -1122,9 +1398,35 @@ static int avs_component_hda_open(struct snd_soc_component *component,
struct hdac_ext_stream *link_stream;
struct hda_codec *codec;
- /* only BE DAI links are handled here */
- if (!rtd->dai_link->no_pcm)
- return avs_component_open(component, substream);
+ if (!rtd->dai_link->no_pcm) {
+ struct snd_pcm_hardware hwparams = avs_pcm_hardware;
+ struct snd_soc_pcm_runtime *be;
+ struct snd_soc_dpcm *dpcm;
+ int dir = substream->stream;
+
+ /*
+ * Support the DPCM reparenting while still fulfilling expectations of HDAudio
+ * common code - a valid stream pointer at substream->runtime->private_data -
+ * by having all FEs point to the same private data.
+ */
+ for_each_dpcm_be(rtd, dir, dpcm) {
+ struct snd_pcm_substream *be_substream;
+
+ be = dpcm->be;
+ if (be->dpcm[dir].users == 1)
+ break;
+
+ be_substream = snd_soc_dpcm_get_substream(be, dir);
+ substream->runtime->private_data = be_substream->runtime->private_data;
+ break;
+ }
+
+ /* RESUME unsupported for de-coupled HD-Audio capture. */
+ if (dir == SNDRV_PCM_STREAM_CAPTURE)
+ hwparams.info &= ~SNDRV_PCM_INFO_RESUME;
+
+ return snd_soc_set_runtime_hwparams(substream, &hwparams);
+ }
codec = dev_to_hda_codec(asoc_rtd_to_codec(rtd, 0)->dev);
link_stream = snd_hdac_ext_stream_assign(&codec->bus->core, substream,
@@ -1157,6 +1459,8 @@ static const struct snd_soc_component_driver avs_hda_component_driver = {
.name = "avs-hda-pcm",
.probe = avs_component_hda_probe,
.remove = avs_component_hda_remove,
+ .suspend = avs_component_suspend,
+ .resume = avs_component_resume,
.open = avs_component_hda_open,
.close = avs_component_hda_close,
.pointer = avs_component_pointer,
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-12 23:55:05 +0300