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Diffstat (limited to 'sound/soc/intel/sst-haswell-pcm.c')
-rw-r--r--sound/soc/intel/sst-haswell-pcm.c232
1 files changed, 162 insertions, 70 deletions
diff --git a/sound/soc/intel/sst-haswell-pcm.c b/sound/soc/intel/sst-haswell-pcm.c
index 619525200705..d6fa9d5514e1 100644
--- a/sound/soc/intel/sst-haswell-pcm.c
+++ b/sound/soc/intel/sst-haswell-pcm.c
@@ -36,6 +36,11 @@
#define HSW_PCM_COUNT 6
#define HSW_VOLUME_MAX 0x7FFFFFFF /* 0dB */
+#define SST_OLD_POSITION(d, r, o) ((d) + \
+ frames_to_bytes(r, o))
+#define SST_SAMPLES(r, x) (bytes_to_samples(r, \
+ frames_to_bytes(r, (x))))
+
/* simple volume table */
static const u32 volume_map[] = {
HSW_VOLUME_MAX >> 30,
@@ -78,7 +83,6 @@ static const u32 volume_map[] = {
#define HSW_PCM_DAI_ID_OFFLOAD0 1
#define HSW_PCM_DAI_ID_OFFLOAD1 2
#define HSW_PCM_DAI_ID_LOOPBACK 3
-#define HSW_PCM_DAI_ID_CAPTURE 4
static const struct snd_pcm_hardware hsw_pcm_hardware = {
@@ -99,6 +103,7 @@ static const struct snd_pcm_hardware hsw_pcm_hardware = {
struct hsw_pcm_module_map {
int dai_id;
+ int stream;
enum sst_hsw_module_id mod_id;
};
@@ -119,8 +124,9 @@ struct hsw_pcm_data {
};
enum hsw_pm_state {
- HSW_PM_STATE_D3 = 0,
- HSW_PM_STATE_D0 = 1,
+ HSW_PM_STATE_D0 = 0,
+ HSW_PM_STATE_RTD3 = 1,
+ HSW_PM_STATE_D3 = 2,
};
/* private data for the driver */
@@ -135,7 +141,17 @@ struct hsw_priv_data {
struct snd_dma_buffer dmab[HSW_PCM_COUNT][2];
/* DAI data */
- struct hsw_pcm_data pcm[HSW_PCM_COUNT];
+ struct hsw_pcm_data pcm[HSW_PCM_COUNT][2];
+};
+
+
+/* static mappings between PCMs and modules - may be dynamic in future */
+static struct hsw_pcm_module_map mod_map[] = {
+ {HSW_PCM_DAI_ID_SYSTEM, 0, SST_HSW_MODULE_PCM_SYSTEM},
+ {HSW_PCM_DAI_ID_OFFLOAD0, 0, SST_HSW_MODULE_PCM},
+ {HSW_PCM_DAI_ID_OFFLOAD1, 0, SST_HSW_MODULE_PCM},
+ {HSW_PCM_DAI_ID_LOOPBACK, 1, SST_HSW_MODULE_PCM_REFERENCE},
+ {HSW_PCM_DAI_ID_SYSTEM, 1, SST_HSW_MODULE_PCM_CAPTURE},
};
static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data);
@@ -168,9 +184,14 @@ static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol,
(struct soc_mixer_control *)kcontrol->private_value;
struct hsw_priv_data *pdata =
snd_soc_platform_get_drvdata(platform);
- struct hsw_pcm_data *pcm_data = &pdata->pcm[mc->reg];
+ struct hsw_pcm_data *pcm_data;
struct sst_hsw *hsw = pdata->hsw;
u32 volume;
+ int dai, stream;
+
+ dai = mod_map[mc->reg].dai_id;
+ stream = mod_map[mc->reg].stream;
+ pcm_data = &pdata->pcm[dai][stream];
mutex_lock(&pcm_data->mutex);
pm_runtime_get_sync(pdata->dev);
@@ -212,9 +233,14 @@ static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol,
(struct soc_mixer_control *)kcontrol->private_value;
struct hsw_priv_data *pdata =
snd_soc_platform_get_drvdata(platform);
- struct hsw_pcm_data *pcm_data = &pdata->pcm[mc->reg];
+ struct hsw_pcm_data *pcm_data;
struct sst_hsw *hsw = pdata->hsw;
u32 volume;
+ int dai, stream;
+
+ dai = mod_map[mc->reg].dai_id;
+ stream = mod_map[mc->reg].stream;
+ pcm_data = &pdata->pcm[dai][stream];
mutex_lock(&pcm_data->mutex);
pm_runtime_get_sync(pdata->dev);
@@ -309,7 +335,7 @@ static const struct snd_kcontrol_new hsw_volume_controls[] = {
ARRAY_SIZE(volume_map) - 1, 0,
hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
/* Mic Capture volume */
- SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 0, 0, 8,
+ SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 4, 0, 8,
ARRAY_SIZE(volume_map) - 1, 0,
hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv),
};
@@ -353,7 +379,7 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime = substream->runtime;
struct hsw_priv_data *pdata =
snd_soc_platform_get_drvdata(rtd->platform);
- struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd);
+ struct hsw_pcm_data *pcm_data;
struct sst_hsw *hsw = pdata->hsw;
struct sst_module *module_data;
struct sst_dsp *dsp;
@@ -362,7 +388,10 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream,
enum sst_hsw_stream_path_id path_id;
u32 rate, bits, map, pages, module_id;
u8 channels;
- int ret;
+ int ret, dai;
+
+ dai = mod_map[rtd->cpu_dai->id].dai_id;
+ pcm_data = &pdata->pcm[dai][substream->stream];
/* check if we are being called a subsequent time */
if (pcm_data->allocated) {
@@ -552,20 +581,35 @@ static int hsw_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct hsw_priv_data *pdata =
snd_soc_platform_get_drvdata(rtd->platform);
- struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd);
+ struct hsw_pcm_data *pcm_data;
+ struct sst_hsw_stream *sst_stream;
struct sst_hsw *hsw = pdata->hsw;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ snd_pcm_uframes_t pos;
+ int dai;
+
+ dai = mod_map[rtd->cpu_dai->id].dai_id;
+ pcm_data = &pdata->pcm[dai][substream->stream];
+ sst_stream = pcm_data->stream;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ sst_hsw_stream_set_silence_start(hsw, sst_stream, false);
sst_hsw_stream_resume(hsw, pcm_data->stream, 0);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ sst_hsw_stream_set_silence_start(hsw, sst_stream, false);
sst_hsw_stream_pause(hsw, pcm_data->stream, 0);
break;
+ case SNDRV_PCM_TRIGGER_DRAIN:
+ pos = runtime->control->appl_ptr % runtime->buffer_size;
+ sst_hsw_stream_set_old_position(hsw, pcm_data->stream, pos);
+ sst_hsw_stream_set_silence_start(hsw, sst_stream, true);
+ break;
default:
break;
}
@@ -579,13 +623,62 @@ static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data)
struct snd_pcm_substream *substream = pcm_data->substream;
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct hsw_priv_data *pdata =
+ snd_soc_platform_get_drvdata(rtd->platform);
+ struct sst_hsw *hsw = pdata->hsw;
u32 pos;
+ snd_pcm_uframes_t position = bytes_to_frames(runtime,
+ sst_hsw_get_dsp_position(hsw, pcm_data->stream));
+ unsigned char *dma_area = runtime->dma_area;
+ snd_pcm_uframes_t dma_frames =
+ bytes_to_frames(runtime, runtime->dma_bytes);
+ snd_pcm_uframes_t old_position;
+ ssize_t samples;
pos = frames_to_bytes(runtime,
(runtime->control->appl_ptr % runtime->buffer_size));
dev_vdbg(rtd->dev, "PCM: App pointer %d bytes\n", pos);
+ /* SST fw don't know where to stop dma
+ * So, SST driver need to clean the data which has been consumed
+ */
+ if (dma_area == NULL || dma_frames <= 0
+ || (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ || !sst_hsw_stream_get_silence_start(hsw, stream)) {
+ snd_pcm_period_elapsed(substream);
+ return pos;
+ }
+
+ old_position = sst_hsw_stream_get_old_position(hsw, stream);
+ if (position > old_position) {
+ if (position < dma_frames) {
+ samples = SST_SAMPLES(runtime, position - old_position);
+ snd_pcm_format_set_silence(runtime->format,
+ SST_OLD_POSITION(dma_area,
+ runtime, old_position),
+ samples);
+ } else
+ dev_err(rtd->dev, "PCM: position is wrong\n");
+ } else {
+ if (old_position < dma_frames) {
+ samples = SST_SAMPLES(runtime,
+ dma_frames - old_position);
+ snd_pcm_format_set_silence(runtime->format,
+ SST_OLD_POSITION(dma_area,
+ runtime, old_position),
+ samples);
+ } else
+ dev_err(rtd->dev, "PCM: dma_bytes is wrong\n");
+ if (position < dma_frames) {
+ samples = SST_SAMPLES(runtime, position);
+ snd_pcm_format_set_silence(runtime->format,
+ dma_area, samples);
+ } else
+ dev_err(rtd->dev, "PCM: position is wrong\n");
+ }
+ sst_hsw_stream_set_old_position(hsw, stream, position);
+
/* let alsa know we have play a period */
snd_pcm_period_elapsed(substream);
return pos;
@@ -597,11 +690,16 @@ static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct hsw_priv_data *pdata =
snd_soc_platform_get_drvdata(rtd->platform);
- struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd);
+ struct hsw_pcm_data *pcm_data;
struct sst_hsw *hsw = pdata->hsw;
snd_pcm_uframes_t offset;
uint64_t ppos;
- u32 position = sst_hsw_get_dsp_position(hsw, pcm_data->stream);
+ u32 position;
+ int dai;
+
+ dai = mod_map[rtd->cpu_dai->id].dai_id;
+ pcm_data = &pdata->pcm[dai][substream->stream];
+ position = sst_hsw_get_dsp_position(hsw, pcm_data->stream);
offset = bytes_to_frames(runtime, position);
ppos = sst_hsw_get_dsp_presentation_position(hsw, pcm_data->stream);
@@ -618,8 +716,10 @@ static int hsw_pcm_open(struct snd_pcm_substream *substream)
snd_soc_platform_get_drvdata(rtd->platform);
struct hsw_pcm_data *pcm_data;
struct sst_hsw *hsw = pdata->hsw;
+ int dai;
- pcm_data = &pdata->pcm[rtd->cpu_dai->id];
+ dai = mod_map[rtd->cpu_dai->id].dai_id;
+ pcm_data = &pdata->pcm[dai][substream->stream];
mutex_lock(&pcm_data->mutex);
pm_runtime_get_sync(pdata->dev);
@@ -648,9 +748,12 @@ static int hsw_pcm_close(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct hsw_priv_data *pdata =
snd_soc_platform_get_drvdata(rtd->platform);
- struct hsw_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(rtd);
+ struct hsw_pcm_data *pcm_data;
struct sst_hsw *hsw = pdata->hsw;
- int ret;
+ int ret, dai;
+
+ dai = mod_map[rtd->cpu_dai->id].dai_id;
+ pcm_data = &pdata->pcm[dai][substream->stream];
mutex_lock(&pcm_data->mutex);
ret = sst_hsw_stream_reset(hsw, pcm_data->stream);
@@ -685,15 +788,6 @@ static struct snd_pcm_ops hsw_pcm_ops = {
.page = snd_pcm_sgbuf_ops_page,
};
-/* static mappings between PCMs and modules - may be dynamic in future */
-static struct hsw_pcm_module_map mod_map[] = {
- {HSW_PCM_DAI_ID_SYSTEM, SST_HSW_MODULE_PCM_SYSTEM},
- {HSW_PCM_DAI_ID_OFFLOAD0, SST_HSW_MODULE_PCM},
- {HSW_PCM_DAI_ID_OFFLOAD1, SST_HSW_MODULE_PCM},
- {HSW_PCM_DAI_ID_LOOPBACK, SST_HSW_MODULE_PCM_REFERENCE},
- {HSW_PCM_DAI_ID_CAPTURE, SST_HSW_MODULE_PCM_CAPTURE},
-};
-
static int hsw_pcm_create_modules(struct hsw_priv_data *pdata)
{
struct sst_hsw *hsw = pdata->hsw;
@@ -701,7 +795,7 @@ static int hsw_pcm_create_modules(struct hsw_priv_data *pdata)
int i;
for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
- pcm_data = &pdata->pcm[i];
+ pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
/* create new runtime module, use same offset if recreated */
pcm_data->runtime = sst_hsw_runtime_module_create(hsw,
@@ -716,7 +810,7 @@ static int hsw_pcm_create_modules(struct hsw_priv_data *pdata)
err:
for (--i; i >= 0; i--) {
- pcm_data = &pdata->pcm[i];
+ pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
sst_hsw_runtime_module_free(pcm_data->runtime);
}
@@ -729,17 +823,12 @@ static void hsw_pcm_free_modules(struct hsw_priv_data *pdata)
int i;
for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
- pcm_data = &pdata->pcm[i];
+ pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
sst_hsw_runtime_module_free(pcm_data->runtime);
}
}
-static void hsw_pcm_free(struct snd_pcm *pcm)
-{
- snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_pcm *pcm = rtd->pcm;
@@ -762,7 +851,10 @@ static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd)
return ret;
}
}
- priv_data->pcm[rtd->cpu_dai->id].hsw_pcm = pcm;
+ if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream)
+ priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_PLAYBACK].hsw_pcm = pcm;
+ if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream)
+ priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_CAPTURE].hsw_pcm = pcm;
return ret;
}
@@ -871,10 +963,9 @@ static int hsw_pcm_probe(struct snd_soc_platform *platform)
/* allocate DSP buffer page tables */
for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) {
- mutex_init(&priv_data->pcm[i].mutex);
-
/* playback */
if (hsw_dais[i].playback.channels_min) {
+ mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_PLAYBACK].mutex);
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev,
PAGE_SIZE, &priv_data->dmab[i][0]);
if (ret < 0)
@@ -883,6 +974,7 @@ static int hsw_pcm_probe(struct snd_soc_platform *platform)
/* capture */
if (hsw_dais[i].capture.channels_min) {
+ mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_CAPTURE].mutex);
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev,
PAGE_SIZE, &priv_data->dmab[i][1]);
if (ret < 0)
@@ -936,7 +1028,6 @@ static struct snd_soc_platform_driver hsw_soc_platform = {
.remove = hsw_pcm_remove,
.ops = &hsw_pcm_ops,
.pcm_new = hsw_pcm_new,
- .pcm_free = hsw_pcm_free,
};
static const struct snd_soc_component_driver hsw_dai_component = {
@@ -1010,12 +1101,12 @@ static int hsw_pcm_runtime_suspend(struct device *dev)
struct hsw_priv_data *pdata = dev_get_drvdata(dev);
struct sst_hsw *hsw = pdata->hsw;
- if (pdata->pm_state == HSW_PM_STATE_D3)
+ if (pdata->pm_state >= HSW_PM_STATE_RTD3)
return 0;
sst_hsw_dsp_runtime_suspend(hsw);
sst_hsw_dsp_runtime_sleep(hsw);
- pdata->pm_state = HSW_PM_STATE_D3;
+ pdata->pm_state = HSW_PM_STATE_RTD3;
return 0;
}
@@ -1026,7 +1117,7 @@ static int hsw_pcm_runtime_resume(struct device *dev)
struct sst_hsw *hsw = pdata->hsw;
int ret;
- if (pdata->pm_state == HSW_PM_STATE_D0)
+ if (pdata->pm_state != HSW_PM_STATE_RTD3)
return 0;
ret = sst_hsw_dsp_load(hsw);
@@ -1066,7 +1157,7 @@ static void hsw_pcm_complete(struct device *dev)
struct hsw_pcm_data *pcm_data;
int i, err;
- if (pdata->pm_state == HSW_PM_STATE_D0)
+ if (pdata->pm_state != HSW_PM_STATE_D3)
return;
err = sst_hsw_dsp_load(hsw);
@@ -1081,8 +1172,8 @@ static void hsw_pcm_complete(struct device *dev)
return;
}
- for (i = 0; i < HSW_PCM_DAI_ID_CAPTURE + 1; i++) {
- pcm_data = &pdata->pcm[i];
+ for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
+ pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
if (!pcm_data->substream)
continue;
@@ -1114,41 +1205,42 @@ static int hsw_pcm_prepare(struct device *dev)
if (pdata->pm_state == HSW_PM_STATE_D3)
return 0;
- /* suspend all active streams */
- for (i = 0; i < HSW_PCM_DAI_ID_CAPTURE + 1; i++) {
- pcm_data = &pdata->pcm[i];
+ else if (pdata->pm_state == HSW_PM_STATE_D0) {
+ /* suspend all active streams */
+ for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
+ pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
+
+ if (!pcm_data->substream)
+ continue;
+ dev_dbg(dev, "suspending pcm %d\n", i);
+ snd_pcm_suspend_all(pcm_data->hsw_pcm);
+
+ /* We need to wait until the DSP FW stops the streams */
+ msleep(2);
+ }
- if (!pcm_data->substream)
- continue;
- dev_dbg(dev, "suspending pcm %d\n", i);
- snd_pcm_suspend_all(pcm_data->hsw_pcm);
+ /* preserve persistent memory */
+ for (i = 0; i < ARRAY_SIZE(mod_map); i++) {
+ pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream];
+
+ if (!pcm_data->substream)
+ continue;
- /* We need to wait until the DSP FW stops the streams */
- msleep(2);
+ dev_dbg(dev, "saving context pcm %d\n", i);
+ err = sst_module_runtime_save(pcm_data->runtime,
+ &pcm_data->context);
+ if (err < 0)
+ dev_err(dev, "failed to save context for PCM %d\n", i);
+ }
+ /* enter D3 state and stall */
+ sst_hsw_dsp_runtime_suspend(hsw);
+ /* put the DSP to sleep */
+ sst_hsw_dsp_runtime_sleep(hsw);
}
snd_soc_suspend(pdata->soc_card->dev);
snd_soc_poweroff(pdata->soc_card->dev);
- /* enter D3 state and stall */
- sst_hsw_dsp_runtime_suspend(hsw);
-
- /* preserve persistent memory */
- for (i = 0; i < HSW_PCM_DAI_ID_CAPTURE + 1; i++) {
- pcm_data = &pdata->pcm[i];
-
- if (!pcm_data->substream)
- continue;
-
- dev_dbg(dev, "saving context pcm %d\n", i);
- err = sst_module_runtime_save(pcm_data->runtime,
- &pcm_data->context);
- if (err < 0)
- dev_err(dev, "failed to save context for PCM %d\n", i);
- }
-
- /* put the DSP to sleep */
- sst_hsw_dsp_runtime_sleep(hsw);
pdata->pm_state = HSW_PM_STATE_D3;
return 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.