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path: root/sound/soc/intel/skylake/skl-pcm.c
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Diffstat (limited to 'sound/soc/intel/skylake/skl-pcm.c')
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c289
1 files changed, 177 insertions, 112 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 84b5101e6ca6..e91bbcffc856 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -21,6 +21,7 @@
#include <linux/pci.h>
#include <linux/pm_runtime.h>
+#include <linux/delay.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "skl.h"
@@ -137,6 +138,80 @@ static void skl_set_suspend_active(struct snd_pcm_substream *substream,
skl->supend_active--;
}
+int skl_pcm_host_dma_prepare(struct device *dev, struct skl_pipe_params *params)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ unsigned int format_val;
+ struct hdac_stream *hstream;
+ struct hdac_ext_stream *stream;
+ int err;
+
+ hstream = snd_hdac_get_stream(bus, params->stream,
+ params->host_dma_id + 1);
+ if (!hstream)
+ return -EINVAL;
+
+ stream = stream_to_hdac_ext_stream(hstream);
+ snd_hdac_ext_stream_decouple(ebus, stream, true);
+
+ format_val = snd_hdac_calc_stream_format(params->s_freq,
+ params->ch, params->format, params->host_bps, 0);
+
+ dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
+ format_val, params->s_freq, params->ch, params->format);
+
+ snd_hdac_stream_reset(hdac_stream(stream));
+ err = snd_hdac_stream_set_params(hdac_stream(stream), format_val);
+ if (err < 0)
+ return err;
+
+ err = snd_hdac_stream_setup(hdac_stream(stream));
+ if (err < 0)
+ return err;
+
+ hdac_stream(stream)->prepared = 1;
+
+ return 0;
+}
+
+int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params)
+{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct hdac_bus *bus = ebus_to_hbus(ebus);
+ unsigned int format_val;
+ struct hdac_stream *hstream;
+ struct hdac_ext_stream *stream;
+ struct hdac_ext_link *link;
+
+ hstream = snd_hdac_get_stream(bus, params->stream,
+ params->link_dma_id + 1);
+ if (!hstream)
+ return -EINVAL;
+
+ stream = stream_to_hdac_ext_stream(hstream);
+ snd_hdac_ext_stream_decouple(ebus, stream, true);
+ format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch,
+ params->format, params->link_bps, 0);
+
+ dev_dbg(dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
+ format_val, params->s_freq, params->ch, params->format);
+
+ snd_hdac_ext_link_stream_reset(stream);
+
+ snd_hdac_ext_link_stream_setup(stream, format_val);
+
+ list_for_each_entry(link, &ebus->hlink_list, list) {
+ if (link->index == params->link_index)
+ snd_hdac_ext_link_set_stream_id(link,
+ hstream->stream_tag);
+ }
+
+ stream->link_prepared = 1;
+
+ return 0;
+}
+
static int skl_pcm_open(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
@@ -180,88 +255,30 @@ static int skl_pcm_open(struct snd_pcm_substream *substream,
snd_pcm_set_sync(substream);
mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
+ if (!mconfig)
+ return -EINVAL;
+
skl_tplg_d0i3_get(skl, mconfig->d0i3_caps);
return 0;
}
-static int skl_get_format(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
- struct skl_dma_params *dma_params;
- struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
- int format_val = 0;
-
- if ((ebus_to_hbus(ebus))->ppcap) {
- struct snd_pcm_runtime *runtime = substream->runtime;
-
- format_val = snd_hdac_calc_stream_format(runtime->rate,
- runtime->channels,
- runtime->format,
- 32, 0);
- } else {
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
-
- dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
- if (dma_params)
- format_val = dma_params->format;
- }
-
- return format_val;
-}
-
-static int skl_be_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct skl *skl = get_skl_ctx(dai->dev);
- struct skl_sst *ctx = skl->skl_sst;
- struct skl_module_cfg *mconfig;
-
- if (dai->playback_widget->power || dai->capture_widget->power)
- return 0;
-
- mconfig = skl_tplg_be_get_cpr_module(dai, substream->stream);
- if (mconfig == NULL)
- return -EINVAL;
-
- return skl_dsp_set_dma_control(ctx, mconfig);
-}
-
static int skl_pcm_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct hdac_ext_stream *stream = get_hdac_ext_stream(substream);
struct skl *skl = get_skl_ctx(dai->dev);
- unsigned int format_val;
- int err;
struct skl_module_cfg *mconfig;
dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name);
mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream);
- format_val = skl_get_format(substream, dai);
- dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d\n",
- hdac_stream(stream)->stream_tag, format_val);
- snd_hdac_stream_reset(hdac_stream(stream));
-
/* In case of XRUN recovery, reset the FW pipe to clean state */
if (mconfig && (substream->runtime->status->state ==
SNDRV_PCM_STATE_XRUN))
skl_reset_pipe(skl->skl_sst, mconfig->pipe);
- err = snd_hdac_stream_set_params(hdac_stream(stream), format_val);
- if (err < 0)
- return err;
-
- err = snd_hdac_stream_setup(hdac_stream(stream));
- if (err < 0)
- return err;
-
- hdac_stream(stream)->prepared = 1;
-
- return err;
+ return 0;
}
static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
@@ -292,6 +309,12 @@ static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
p_params.s_freq = params_rate(params);
p_params.host_dma_id = dma_id;
p_params.stream = substream->stream;
+ p_params.format = params_format(params);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ p_params.host_bps = dai->driver->playback.sig_bits;
+ else
+ p_params.host_bps = dai->driver->capture.sig_bits;
+
m_cfg = skl_tplg_fe_get_cpr_module(dai, p_params.stream);
if (m_cfg)
@@ -435,7 +458,6 @@ static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
switch (cmd) {
case SNDRV_PCM_TRIGGER_RESUME:
if (!w->ignore_suspend) {
- skl_pcm_prepare(substream, dai);
/*
* enable DMA Resume enable bit for the stream, set the
* dpib & lpib position to resume before starting the
@@ -444,7 +466,7 @@ static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
snd_hdac_ext_stream_drsm_enable(ebus, true,
hdac_stream(stream)->index);
snd_hdac_ext_stream_set_dpibr(ebus, stream,
- stream->dpib);
+ stream->lpib);
snd_hdac_ext_stream_set_lpib(stream, stream->lpib);
}
@@ -456,7 +478,6 @@ static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
* pipeline is started but there is a delay in starting the
* DMA channel on the host.
*/
- snd_hdac_ext_stream_decouple(ebus, stream, true);
ret = skl_decoupled_trigger(substream, cmd);
if (ret < 0)
return ret;
@@ -503,9 +524,10 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
struct hdac_ext_stream *link_dev;
struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
- struct hdac_ext_dma_params *dma_params;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct skl_pipe_params p_params = {0};
+ struct hdac_ext_link *link;
+ int stream_tag;
link_dev = snd_hdac_ext_stream_assign(ebus, substream,
HDAC_EXT_STREAM_TYPE_LINK);
@@ -514,16 +536,27 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
+ link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name);
+ if (!link)
+ return -EINVAL;
+
+ stream_tag = hdac_stream(link_dev)->stream_tag;
+
/* set the stream tag in the codec dai dma params */
- dma_params = snd_soc_dai_get_dma_data(codec_dai, substream);
- if (dma_params)
- dma_params->stream_tag = hdac_stream(link_dev)->stream_tag;
+ snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
p_params.s_fmt = snd_pcm_format_width(params_format(params));
p_params.ch = params_channels(params);
p_params.s_freq = params_rate(params);
p_params.stream = substream->stream;
- p_params.link_dma_id = hdac_stream(link_dev)->stream_tag - 1;
+ p_params.link_dma_id = stream_tag - 1;
+ p_params.link_index = link->index;
+ p_params.format = params_format(params);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ p_params.link_bps = codec_dai->driver->playback.sig_bits;
+ else
+ p_params.link_bps = codec_dai->driver->capture.sig_bits;
return skl_tplg_be_update_params(dai, &p_params);
}
@@ -531,41 +564,15 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
static int skl_link_pcm_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
- struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev);
- struct hdac_ext_stream *link_dev =
- snd_soc_dai_get_dma_data(dai, substream);
- unsigned int format_val = 0;
- struct skl_dma_params *dma_params;
- struct snd_soc_dai *codec_dai = rtd->codec_dai;
- struct hdac_ext_link *link;
struct skl *skl = get_skl_ctx(dai->dev);
struct skl_module_cfg *mconfig = NULL;
- dma_params = (struct skl_dma_params *)
- snd_soc_dai_get_dma_data(codec_dai, substream);
- if (dma_params)
- format_val = dma_params->format;
- dev_dbg(dai->dev, "stream_tag=%d formatvalue=%d codec_dai_name=%s\n",
- hdac_stream(link_dev)->stream_tag, format_val, codec_dai->name);
-
- link = snd_hdac_ext_bus_get_link(ebus, rtd->codec->component.name);
- if (!link)
- return -EINVAL;
-
- snd_hdac_ext_link_stream_reset(link_dev);
-
/* In case of XRUN recovery, reset the FW pipe to clean state */
mconfig = skl_tplg_be_get_cpr_module(dai, substream->stream);
- if (mconfig && (substream->runtime->status->state ==
- SNDRV_PCM_STATE_XRUN))
+ if (mconfig && !mconfig->pipe->passthru &&
+ (substream->runtime->status->state == SNDRV_PCM_STATE_XRUN))
skl_reset_pipe(skl->skl_sst, mconfig->pipe);
- snd_hdac_ext_link_stream_setup(link_dev, format_val);
-
- snd_hdac_ext_link_set_stream_id(link, hdac_stream(link_dev)->stream_tag);
- link_dev->link_prepared = 1;
-
return 0;
}
@@ -580,10 +587,8 @@ static int skl_link_pcm_trigger(struct snd_pcm_substream *substream,
dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
switch (cmd) {
case SNDRV_PCM_TRIGGER_RESUME:
- skl_link_pcm_prepare(substream, dai);
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- snd_hdac_ext_stream_decouple(ebus, stream, true);
snd_hdac_ext_link_stream_start(link_dev);
break;
@@ -638,7 +643,6 @@ static struct snd_soc_dai_ops skl_dmic_dai_ops = {
static struct snd_soc_dai_ops skl_be_ssp_dai_ops = {
.hw_params = skl_be_hw_params,
- .prepare = skl_be_prepare,
};
static struct snd_soc_dai_ops skl_link_dai_ops = {
@@ -659,6 +663,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_8000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
+ .sig_bits = 32,
},
.capture = {
.stream_name = "System Capture",
@@ -666,6 +671,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
.channels_max = HDA_STEREO,
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .sig_bits = 32,
},
},
{
@@ -677,6 +683,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
.channels_max = HDA_QUAD,
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .sig_bits = 32,
},
},
{
@@ -688,6 +695,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
.channels_max = HDA_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .sig_bits = 32,
},
},
{
@@ -699,6 +707,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
.channels_max = HDA_STEREO,
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .sig_bits = 32,
},
},
{
@@ -710,6 +719,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
.channels_max = HDA_QUAD,
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE,
+ .sig_bits = 32,
},
},
{
@@ -725,6 +735,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
SNDRV_PCM_RATE_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S32_LE,
+ .sig_bits = 32,
},
},
{
@@ -740,6 +751,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
SNDRV_PCM_RATE_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S32_LE,
+ .sig_bits = 32,
},
},
{
@@ -755,6 +767,7 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
SNDRV_PCM_RATE_192000,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_S32_LE,
+ .sig_bits = 32,
},
},
@@ -938,14 +951,12 @@ static struct snd_soc_dai_driver skl_platform_dai[] = {
static int skl_platform_open(struct snd_pcm_substream *substream)
{
- struct snd_pcm_runtime *runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai_link *dai_link = rtd->dai_link;
dev_dbg(rtd->cpu_dai->dev, "In %s:%s\n", __func__,
dai_link->cpu_dai_name);
- runtime = substream->runtime;
snd_soc_set_runtime_hwparams(substream, &azx_pcm_hw);
return 0;
@@ -1051,13 +1062,31 @@ static snd_pcm_uframes_t skl_platform_pcm_pointer
* HAD space reflects the actual data that is transferred.
* Use the position buffer for capture, as DPIB write gets
* completed earlier than the actual data written to the DDR.
+ *
+ * For capture stream following workaround is required to fix the
+ * incorrect position reporting.
+ *
+ * 1. Wait for 20us before reading the DMA position in buffer once
+ * the interrupt is generated for stream completion as update happens
+ * on the HDA frame boundary i.e. 20.833uSec.
+ * 2. Read DPIB register to flush the DMA position value. This dummy
+ * read is required to flush DMA position value.
+ * 3. Read the DMA Position-in-Buffer. This value now will be equal to
+ * or greater than period boundary.
*/
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
pos = readl(ebus->bus.remap_addr + AZX_REG_VS_SDXDPIB_XBASE +
(AZX_REG_VS_SDXDPIB_XINTERVAL *
hdac_stream(hstream)->index));
- else
+ } else {
+ udelay(20);
+ readl(ebus->bus.remap_addr +
+ AZX_REG_VS_SDXDPIB_XBASE +
+ (AZX_REG_VS_SDXDPIB_XINTERVAL *
+ hdac_stream(hstream)->index));
pos = snd_hdac_stream_get_pos_posbuf(hdac_stream(hstream));
+ }
if (pos >= hdac_stream(hstream)->bufsize)
pos = 0;
@@ -1154,7 +1183,7 @@ static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd)
snd_dma_pci_data(skl->pci),
size, MAX_PREALLOC_SIZE);
if (retval) {
- dev_err(dai->dev, "dma buffer allocationf fail\n");
+ dev_err(dai->dev, "dma buffer allocation fail\n");
return retval;
}
}
@@ -1162,29 +1191,52 @@ static int skl_pcm_new(struct snd_soc_pcm_runtime *rtd)
return retval;
}
+static int skl_get_module_info(struct skl *skl, struct skl_module_cfg *mconfig)
+{
+ struct skl_sst *ctx = skl->skl_sst;
+ struct uuid_module *module;
+ uuid_le *uuid_mod;
+
+ uuid_mod = (uuid_le *)mconfig->guid;
+
+ if (list_empty(&ctx->uuid_list)) {
+ dev_err(ctx->dev, "Module list is empty\n");
+ return -EIO;
+ }
+
+ list_for_each_entry(module, &ctx->uuid_list, list) {
+ if (uuid_le_cmp(*uuid_mod, module->uuid) == 0) {
+ mconfig->id.module_id = module->id;
+ mconfig->is_loadable = module->is_loadable;
+ return 0;
+ }
+ }
+
+ return -EIO;
+}
+
static int skl_populate_modules(struct skl *skl)
{
struct skl_pipeline *p;
struct skl_pipe_module *m;
struct snd_soc_dapm_widget *w;
struct skl_module_cfg *mconfig;
- int ret;
+ int ret = 0;
list_for_each_entry(p, &skl->ppl_list, node) {
list_for_each_entry(m, &p->pipe->w_list, node) {
-
w = m->w;
mconfig = w->priv;
- ret = snd_skl_get_module_info(skl->skl_sst, mconfig);
+ ret = skl_get_module_info(skl, mconfig);
if (ret < 0) {
dev_err(skl->skl_sst->dev,
- "query module info failed:%d\n", ret);
- goto err;
+ "query module info failed\n");
+ return ret;
}
}
}
-err:
+
return ret;
}
@@ -1221,6 +1273,7 @@ static int skl_platform_soc_probe(struct snd_soc_platform *platform)
}
skl_populate_modules(skl);
skl->skl_sst->update_d0i3c = skl_update_d0i3c;
+ skl_dsp_enable_notification(skl->skl_sst, false);
}
pm_runtime_mark_last_busy(platform->dev);
pm_runtime_put_autosuspend(platform->dev);
@@ -1245,6 +1298,7 @@ int skl_platform_register(struct device *dev)
struct skl *skl = ebus_to_skl(ebus);
INIT_LIST_HEAD(&skl->ppl_list);
+ INIT_LIST_HEAD(&skl->bind_list);
ret = snd_soc_register_platform(dev, &skl_platform_drv);
if (ret) {
@@ -1265,6 +1319,17 @@ int skl_platform_register(struct device *dev)
int skl_platform_unregister(struct device *dev)
{
+ struct hdac_ext_bus *ebus = dev_get_drvdata(dev);
+ struct skl *skl = ebus_to_skl(ebus);
+ struct skl_module_deferred_bind *modules, *tmp;
+
+ if (!list_empty(&skl->bind_list)) {
+ list_for_each_entry_safe(modules, tmp, &skl->bind_list, node) {
+ list_del(&modules->node);
+ kfree(modules);
+ }
+ }
+
snd_soc_unregister_component(dev);
snd_soc_unregister_platform(dev);
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-09 16:06:37 +0300