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Diffstat (limited to 'sound/soc/intel/skylake/skl-pcm.c')
-rw-r--r--sound/soc/intel/skylake/skl-pcm.c118
1 files changed, 86 insertions, 32 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index e12520e142ff..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"
@@ -155,7 +156,7 @@ int skl_pcm_host_dma_prepare(struct device *dev, struct skl_pipe_params *params)
snd_hdac_ext_stream_decouple(ebus, stream, true);
format_val = snd_hdac_calc_stream_format(params->s_freq,
- params->ch, params->format, 32, 0);
+ 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);
@@ -190,8 +191,8 @@ int skl_pcm_link_dma_prepare(struct device *dev, struct skl_pipe_params *params)
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, 24, 0);
+ 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);
@@ -262,23 +263,6 @@ static int skl_pcm_open(struct snd_pcm_substream *substream,
return 0;
}
-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)
{
@@ -326,6 +310,11 @@ static int skl_pcm_hw_params(struct snd_pcm_substream *substream,
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)
@@ -564,6 +553,11 @@ static int skl_link_hw_params(struct snd_pcm_substream *substream,
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);
}
@@ -649,7 +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 = {
@@ -670,6 +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",
@@ -677,6 +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,
},
},
{
@@ -688,6 +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,
},
},
{
@@ -699,6 +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,
},
},
{
@@ -710,6 +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,
},
},
{
@@ -721,6 +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,
},
},
{
@@ -736,6 +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,
},
},
{
@@ -751,6 +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,
},
},
{
@@ -766,6 +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,
},
},
@@ -949,14 +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;
@@ -1062,13 +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;
@@ -1165,7 +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;
}
}
@@ -1173,29 +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;
}
@@ -1232,6 +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);
@@ -1256,6 +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) {
@@ -1276,6 +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;