X-Git-Url: https://git.stricted.de/?a=blobdiff_plain;f=sound%2Fsoc%2Fintel%2Fsst-haswell-pcm.c;h=0180b386c4211f9b0de80ef2ec82d7bcae2714b5;hb=addaeea9ee1979b033878a26b18d86ee9b90143e;hp=33fc5c3abf558e52850e46c523702559e203b1bc;hpb=00d647b081b5ef2193fd15910fbd103f483a5d15;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git diff --git a/sound/soc/intel/sst-haswell-pcm.c b/sound/soc/intel/sst-haswell-pcm.c index 33fc5c3abf55..0180b386c421 100644 --- a/sound/soc/intel/sst-haswell-pcm.c +++ b/sound/soc/intel/sst-haswell-pcm.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -73,6 +74,13 @@ static const u32 volume_map[] = { #define HSW_PCM_PERIODS_MAX 64 #define HSW_PCM_PERIODS_MIN 2 +#define HSW_PCM_DAI_ID_SYSTEM 0 +#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 = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | @@ -89,22 +97,39 @@ static const struct snd_pcm_hardware hsw_pcm_hardware = { .buffer_bytes_max = HSW_PCM_PERIODS_MAX * PAGE_SIZE, }; +struct hsw_pcm_module_map { + int dai_id; + enum sst_hsw_module_id mod_id; +}; + /* private data for each PCM DSP stream */ struct hsw_pcm_data { int dai_id; struct sst_hsw_stream *stream; + struct sst_module_runtime *runtime; + struct sst_module_runtime_context context; + struct snd_pcm *hsw_pcm; u32 volume[2]; struct snd_pcm_substream *substream; struct snd_compr_stream *cstream; unsigned int wpos; struct mutex mutex; bool allocated; + int persistent_offset; +}; + +enum hsw_pm_state { + HSW_PM_STATE_D3 = 0, + HSW_PM_STATE_D0 = 1, }; /* private data for the driver */ struct hsw_priv_data { /* runtime DSP */ struct sst_hsw *hsw; + struct device *dev; + enum hsw_pm_state pm_state; + struct snd_soc_card *soc_card; /* page tables */ struct snd_dma_buffer dmab[HSW_PCM_COUNT][2]; @@ -138,21 +163,25 @@ static inline unsigned int hsw_ipc_to_mixer(u32 value) static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); - struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); struct soc_mixer_control *mc = (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 sst_hsw *hsw = pdata->hsw; u32 volume; mutex_lock(&pcm_data->mutex); + pm_runtime_get_sync(pdata->dev); if (!pcm_data->stream) { pcm_data->volume[0] = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); pcm_data->volume[1] = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); mutex_unlock(&pcm_data->mutex); return 0; } @@ -160,7 +189,8 @@ static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol, if (ucontrol->value.integer.value[0] == ucontrol->value.integer.value[1]) { volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); - sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 2, volume); + /* apply volume value to all channels */ + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, SST_HSW_CHANNELS_ALL, volume); } else { volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume); @@ -168,6 +198,8 @@ static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol, sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume); } + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); mutex_unlock(&pcm_data->mutex); return 0; } @@ -175,21 +207,25 @@ static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol, static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); - struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); struct soc_mixer_control *mc = (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 sst_hsw *hsw = pdata->hsw; u32 volume; mutex_lock(&pcm_data->mutex); + pm_runtime_get_sync(pdata->dev); if (!pcm_data->stream) { ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(pcm_data->volume[0]); ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(pcm_data->volume[1]); + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); mutex_unlock(&pcm_data->mutex); return 0; } @@ -198,6 +234,9 @@ static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol, ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 1, &volume); ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); + + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); mutex_unlock(&pcm_data->mutex); return 0; @@ -206,16 +245,18 @@ static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol, static int hsw_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); - struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); struct sst_hsw *hsw = pdata->hsw; u32 volume; + pm_runtime_get_sync(pdata->dev); + if (ucontrol->value.integer.value[0] == ucontrol->value.integer.value[1]) { volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); - sst_hsw_mixer_set_volume(hsw, 0, 2, volume); + sst_hsw_mixer_set_volume(hsw, 0, SST_HSW_CHANNELS_ALL, volume); } else { volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); @@ -225,23 +266,28 @@ static int hsw_volume_put(struct snd_kcontrol *kcontrol, sst_hsw_mixer_set_volume(hsw, 0, 1, volume); } + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); return 0; } static int hsw_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol); - struct hsw_priv_data *pdata = snd_soc_component_get_drvdata(cmpnt); + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); struct sst_hsw *hsw = pdata->hsw; unsigned int volume = 0; + pm_runtime_get_sync(pdata->dev); sst_hsw_mixer_get_volume(hsw, 0, 0, &volume); ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); sst_hsw_mixer_get_volume(hsw, 0, 1, &volume); ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); return 0; } @@ -252,23 +298,19 @@ static const DECLARE_TLV_DB_SCALE(hsw_vol_tlv, -9000, 300, 1); static const struct snd_kcontrol_new hsw_volume_controls[] = { /* Global DSP volume */ SOC_DOUBLE_EXT_TLV("Master Playback Volume", 0, 0, 8, - ARRAY_SIZE(volume_map) -1, 0, + ARRAY_SIZE(volume_map) - 1, 0, hsw_volume_get, hsw_volume_put, hsw_vol_tlv), /* Offload 0 volume */ SOC_DOUBLE_EXT_TLV("Media0 Playback Volume", 1, 0, 8, - ARRAY_SIZE(volume_map), 0, + ARRAY_SIZE(volume_map) - 1, 0, hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), /* Offload 1 volume */ SOC_DOUBLE_EXT_TLV("Media1 Playback Volume", 2, 0, 8, - ARRAY_SIZE(volume_map), 0, - hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), - /* Loopback volume */ - SOC_DOUBLE_EXT_TLV("Loopback Capture Volume", 3, 0, 8, - ARRAY_SIZE(volume_map), 0, + 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", 4, 0, 8, - ARRAY_SIZE(volume_map), 0, + SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 0, 0, 8, + ARRAY_SIZE(volume_map) - 1, 0, hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), }; @@ -354,8 +396,14 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream, /* DSP stream type depends on DAI ID */ switch (rtd->cpu_dai->id) { case 0: - stream_type = SST_HSW_STREAM_TYPE_SYSTEM; - module_id = SST_HSW_MODULE_PCM_SYSTEM; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + stream_type = SST_HSW_STREAM_TYPE_SYSTEM; + module_id = SST_HSW_MODULE_PCM_SYSTEM; + } + else { + stream_type = SST_HSW_STREAM_TYPE_CAPTURE; + module_id = SST_HSW_MODULE_PCM_CAPTURE; + } break; case 1: case 2: @@ -368,10 +416,6 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream, path_id = SST_HSW_STREAM_PATH_SSP0_OUT; module_id = SST_HSW_MODULE_PCM_REFERENCE; break; - case 4: - stream_type = SST_HSW_STREAM_TYPE_CAPTURE; - module_id = SST_HSW_MODULE_PCM_CAPTURE; - break; default: dev_err(rtd->dev, "error: invalid DAI ID %d\n", rtd->cpu_dai->id); @@ -421,13 +465,7 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream, return ret; } - /* we only support stereo atm */ channels = params_channels(params); - if (channels != 2) { - dev_err(rtd->dev, "error: invalid channels %d\n", channels); - return -EINVAL; - } - map = create_channel_map(SST_HSW_CHANNEL_CONFIG_STEREO); sst_hsw_stream_set_map_config(hsw, pcm_data->stream, map, SST_HSW_CHANNEL_CONFIG_STEREO); @@ -478,35 +516,23 @@ static int hsw_pcm_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - /* we use hardcoded memory offsets atm, will be updated for new FW */ - if (stream_type == SST_HSW_STREAM_TYPE_CAPTURE) { - sst_hsw_stream_set_module_info(hsw, pcm_data->stream, - SST_HSW_MODULE_PCM_CAPTURE, module_data->entry); - sst_hsw_stream_set_pmemory_info(hsw, pcm_data->stream, - 0x449400, 0x4000); - sst_hsw_stream_set_smemory_info(hsw, pcm_data->stream, - 0x400000, 0); - } else { /* stream_type == SST_HSW_STREAM_TYPE_SYSTEM */ - sst_hsw_stream_set_module_info(hsw, pcm_data->stream, - SST_HSW_MODULE_PCM_SYSTEM, module_data->entry); - - sst_hsw_stream_set_pmemory_info(hsw, pcm_data->stream, - module_data->offset, module_data->size); - sst_hsw_stream_set_pmemory_info(hsw, pcm_data->stream, - 0x44d400, 0x3800); - - sst_hsw_stream_set_smemory_info(hsw, pcm_data->stream, - module_data->offset, module_data->size); - sst_hsw_stream_set_smemory_info(hsw, pcm_data->stream, - 0x400000, 0); - } + sst_hsw_stream_set_module_info(hsw, pcm_data->stream, + pcm_data->runtime); ret = sst_hsw_stream_commit(hsw, pcm_data->stream); if (ret < 0) { dev_err(rtd->dev, "error: failed to commit stream %d\n", ret); return ret; } - pcm_data->allocated = true; + + if (!pcm_data->allocated) { + /* Set previous saved volume */ + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, + 0, pcm_data->volume[0]); + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, + 1, pcm_data->volume[1]); + pcm_data->allocated = true; + } ret = sst_hsw_stream_pause(hsw, pcm_data->stream, 1); if (ret < 0) @@ -558,7 +584,7 @@ static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data) pos = frames_to_bytes(runtime, (runtime->control->appl_ptr % runtime->buffer_size)); - dev_dbg(rtd->dev, "PCM: App pointer %d bytes\n", pos); + dev_vdbg(rtd->dev, "PCM: App pointer %d bytes\n", pos); /* let alsa know we have play a period */ snd_pcm_period_elapsed(substream); @@ -580,7 +606,7 @@ static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream) offset = bytes_to_frames(runtime, position); ppos = sst_hsw_get_dsp_presentation_position(hsw, pcm_data->stream); - dev_dbg(rtd->dev, "PCM: DMA pointer %du bytes, pos %llu\n", + dev_vdbg(rtd->dev, "PCM: DMA pointer %du bytes, pos %llu\n", position, ppos); return offset; } @@ -596,6 +622,7 @@ static int hsw_pcm_open(struct snd_pcm_substream *substream) pcm_data = &pdata->pcm[rtd->cpu_dai->id]; mutex_lock(&pcm_data->mutex); + pm_runtime_get_sync(pdata->dev); snd_soc_pcm_set_drvdata(rtd, pcm_data); pcm_data->substream = substream; @@ -606,16 +633,12 @@ static int hsw_pcm_open(struct snd_pcm_substream *substream) hsw_notify_pointer, pcm_data); if (pcm_data->stream == NULL) { dev_err(rtd->dev, "error: failed to create stream\n"); + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); mutex_unlock(&pcm_data->mutex); return -EINVAL; } - /* Set previous saved volume */ - sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, - 0, pcm_data->volume[0]); - sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, - 1, pcm_data->volume[1]); - mutex_unlock(&pcm_data->mutex); return 0; } @@ -645,6 +668,8 @@ static int hsw_pcm_close(struct snd_pcm_substream *substream) pcm_data->stream = NULL; out: + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); mutex_unlock(&pcm_data->mutex); return ret; } @@ -660,6 +685,56 @@ 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; + struct hsw_pcm_data *pcm_data; + int i; + + for (i = 0; i < ARRAY_SIZE(mod_map); i++) { + pcm_data = &pdata->pcm[i]; + + /* create new runtime module, use same offset if recreated */ + pcm_data->runtime = sst_hsw_runtime_module_create(hsw, + mod_map[i].mod_id, pcm_data->persistent_offset); + if (pcm_data->runtime == NULL) + goto err; + pcm_data->persistent_offset = + pcm_data->runtime->persistent_offset; + } + + return 0; + +err: + for (--i; i >= 0; i--) { + pcm_data = &pdata->pcm[i]; + sst_hsw_runtime_module_free(pcm_data->runtime); + } + + return -ENODEV; +} + +static void hsw_pcm_free_modules(struct hsw_priv_data *pdata) +{ + struct hsw_pcm_data *pcm_data; + int i; + + for (i = 0; i < ARRAY_SIZE(mod_map); i++) { + pcm_data = &pdata->pcm[i]; + + 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); @@ -670,6 +745,7 @@ static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd) struct snd_pcm *pcm = rtd->pcm; struct snd_soc_platform *platform = rtd->platform; struct sst_pdata *pdata = dev_get_platdata(platform->dev); + struct hsw_priv_data *priv_data = dev_get_drvdata(platform->dev); struct device *dev = pdata->dma_dev; int ret = 0; @@ -686,18 +762,18 @@ static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd) return ret; } } + priv_data->pcm[rtd->cpu_dai->id].hsw_pcm = pcm; return ret; } #define HSW_FORMATS \ - (SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | \ - SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE |\ - SNDRV_PCM_FMTBIT_S8) + (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) static struct snd_soc_dai_driver hsw_dais[] = { { .name = "System Pin", + .id = HSW_PCM_DAI_ID_SYSTEM, .playback = { .stream_name = "System Playback", .channels_min = 2, @@ -705,10 +781,18 @@ static struct snd_soc_dai_driver hsw_dais[] = { .rates = SNDRV_PCM_RATE_48000, .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, }, + .capture = { + .stream_name = "Analog Capture", + .channels_min = 2, + .channels_max = 4, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, + }, }, { /* PCM */ .name = "Offload0 Pin", + .id = HSW_PCM_DAI_ID_OFFLOAD0, .playback = { .stream_name = "Offload0 Playback", .channels_min = 2, @@ -720,6 +804,7 @@ static struct snd_soc_dai_driver hsw_dais[] = { { /* PCM */ .name = "Offload1 Pin", + .id = HSW_PCM_DAI_ID_OFFLOAD1, .playback = { .stream_name = "Offload1 Playback", .channels_min = 2, @@ -730,6 +815,7 @@ static struct snd_soc_dai_driver hsw_dais[] = { }, { .name = "Loopback Pin", + .id = HSW_PCM_DAI_ID_LOOPBACK, .capture = { .stream_name = "Loopback Capture", .channels_min = 2, @@ -738,16 +824,6 @@ static struct snd_soc_dai_driver hsw_dais[] = { .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, }, }, - { - .name = "Capture Pin", - .capture = { - .stream_name = "Analog Capture", - .channels_min = 2, - .channels_max = 2, - .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, - }, - }, }; static const struct snd_soc_dapm_widget widgets[] = { @@ -778,9 +854,20 @@ static int hsw_pcm_probe(struct snd_soc_platform *platform) { struct hsw_priv_data *priv_data = snd_soc_platform_get_drvdata(platform); struct sst_pdata *pdata = dev_get_platdata(platform->dev); - struct device *dma_dev = pdata->dma_dev; + struct device *dma_dev, *dev; int i, ret = 0; + if (!pdata) + return -ENODEV; + + dev = platform->dev; + dma_dev = pdata->dma_dev; + + priv_data->hsw = pdata->dsp; + priv_data->dev = platform->dev; + priv_data->pm_state = HSW_PM_STATE_D0; + priv_data->soc_card = platform->component.card; + /* allocate DSP buffer page tables */ for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { @@ -803,6 +890,16 @@ static int hsw_pcm_probe(struct snd_soc_platform *platform) } } + /* allocate runtime modules */ + hsw_pcm_create_modules(priv_data); + + /* enable runtime PM with auto suspend */ + pm_runtime_set_autosuspend_delay(platform->dev, + SST_RUNTIME_SUSPEND_DELAY); + pm_runtime_use_autosuspend(platform->dev); + pm_runtime_enable(platform->dev); + pm_runtime_idle(platform->dev); + return 0; err: @@ -821,6 +918,9 @@ static int hsw_pcm_remove(struct snd_soc_platform *platform) snd_soc_platform_get_drvdata(platform); int i; + pm_runtime_disable(platform->dev); + hsw_pcm_free_modules(priv_data); + for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { if (hsw_dais[i].playback.channels_min) snd_dma_free_pages(&priv_data->dmab[i][0]); @@ -898,10 +998,181 @@ static int hsw_pcm_dev_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_RUNTIME + +static int hsw_pcm_runtime_idle(struct device *dev) +{ + return 0; +} + +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) + return 0; + + sst_hsw_dsp_runtime_suspend(hsw); + sst_hsw_dsp_runtime_sleep(hsw); + pdata->pm_state = HSW_PM_STATE_D3; + + return 0; +} + +static int hsw_pcm_runtime_resume(struct device *dev) +{ + struct hsw_priv_data *pdata = dev_get_drvdata(dev); + struct sst_hsw *hsw = pdata->hsw; + int ret; + + if (pdata->pm_state == HSW_PM_STATE_D0) + return 0; + + ret = sst_hsw_dsp_load(hsw); + if (ret < 0) { + dev_err(dev, "failed to reload %d\n", ret); + return ret; + } + + ret = hsw_pcm_create_modules(pdata); + if (ret < 0) { + dev_err(dev, "failed to create modules %d\n", ret); + return ret; + } + + ret = sst_hsw_dsp_runtime_resume(hsw); + if (ret < 0) + return ret; + else if (ret == 1) /* no action required */ + return 0; + + pdata->pm_state = HSW_PM_STATE_D0; + return ret; +} + +#else +#define hsw_pcm_runtime_idle NULL +#define hsw_pcm_runtime_suspend NULL +#define hsw_pcm_runtime_resume NULL +#endif + +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_PM_RUNTIME) + +static void hsw_pcm_complete(struct device *dev) +{ + struct hsw_priv_data *pdata = dev_get_drvdata(dev); + struct sst_hsw *hsw = pdata->hsw; + struct hsw_pcm_data *pcm_data; + int i, err; + + if (pdata->pm_state == HSW_PM_STATE_D0) + return; + + err = sst_hsw_dsp_load(hsw); + if (err < 0) { + dev_err(dev, "failed to reload %d\n", err); + return; + } + + err = hsw_pcm_create_modules(pdata); + if (err < 0) { + dev_err(dev, "failed to create modules %d\n", err); + return; + } + + for (i = 0; i < HSW_PCM_DAI_ID_CAPTURE + 1; i++) { + pcm_data = &pdata->pcm[i]; + + if (!pcm_data->substream) + continue; + + err = sst_module_runtime_restore(pcm_data->runtime, + &pcm_data->context); + if (err < 0) + dev_err(dev, "failed to restore context for PCM %d\n", i); + } + + snd_soc_resume(pdata->soc_card->dev); + + err = sst_hsw_dsp_runtime_resume(hsw); + if (err < 0) + return; + else if (err == 1) /* no action required */ + return; + + pdata->pm_state = HSW_PM_STATE_D0; + return; +} + +static int hsw_pcm_prepare(struct device *dev) +{ + struct hsw_priv_data *pdata = dev_get_drvdata(dev); + struct sst_hsw *hsw = pdata->hsw; + struct hsw_pcm_data *pcm_data; + int i, err; + + 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]; + + 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); + } + + 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; +} + +#else +#define hsw_pcm_prepare NULL +#define hsw_pcm_complete NULL +#endif + +static const struct dev_pm_ops hsw_pcm_pm = { + .runtime_idle = hsw_pcm_runtime_idle, + .runtime_suspend = hsw_pcm_runtime_suspend, + .runtime_resume = hsw_pcm_runtime_resume, + .prepare = hsw_pcm_prepare, + .complete = hsw_pcm_complete, +}; + static struct platform_driver hsw_pcm_driver = { .driver = { .name = "haswell-pcm-audio", .owner = THIS_MODULE, + .pm = &hsw_pcm_pm, + }, .probe = hsw_pcm_dev_probe,