diff options
| -rw-r--r-- | include/sound/hdaudio_ext.h | 5 | ||||
| -rw-r--r-- | sound/soc/intel/avs/pcm.c | 214 |
2 files changed, 215 insertions, 4 deletions
diff --git a/include/sound/hdaudio_ext.h b/include/sound/hdaudio_ext.h index 90fd47e05370..68ab89211de2 100644 --- a/include/sound/hdaudio_ext.h +++ b/include/sound/hdaudio_ext.h @@ -51,6 +51,11 @@ struct hdac_ext_stream { void __iomem *pphc_addr; void __iomem *pplc_addr; + u32 pphcllpl; + u32 pphcllpu; + u32 pphcldpl; + u32 pphcldpu; + bool decoupled:1; bool link_locked:1; bool link_prepared; diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c index fea801243d37..df965dbb8d12 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 * @@ -55,7 +57,8 @@ 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 avs_tplg_path_template *template; struct avs_dma_data *data; @@ -71,6 +74,7 @@ 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); @@ -151,9 +155,11 @@ 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) @@ -245,9 +251,11 @@ 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) @@ -407,6 +415,8 @@ 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 +426,7 @@ 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; @@ -758,6 +768,198 @@ 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) + 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) + 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 int avs_component_open(struct snd_soc_component *component, struct snd_pcm_substream *substream) { @@ -846,6 +1048,8 @@ 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, @@ -1161,6 +1365,8 @@ 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, |