diff options
Diffstat (limited to 'sound/soc/sof/pcm.c')
-rw-r--r-- | sound/soc/sof/pcm.c | 393 |
1 files changed, 91 insertions, 302 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index fa0bfcd2474e..14571b821eca 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -13,12 +13,12 @@ #include <linux/pm_runtime.h> #include <sound/pcm_params.h> #include <sound/sof.h> +#include <trace/events/sof.h> +#include "sof-of-dev.h" #include "sof-priv.h" #include "sof-audio.h" +#include "sof-utils.h" #include "ops.h" -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) -#include "sof-probes.h" -#endif /* Create DMA buffer page table for DSP */ static int create_page_table(struct snd_soc_component *component, @@ -38,22 +38,6 @@ static int create_page_table(struct snd_soc_component *component, spcm->stream[stream].page_table.area, size); } -static int sof_pcm_dsp_params(struct snd_sof_pcm *spcm, struct snd_pcm_substream *substream, - const struct sof_ipc_pcm_params_reply *reply) -{ - struct snd_soc_component *scomp = spcm->scomp; - struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); - - /* validate offset */ - int ret = snd_sof_ipc_pcm_params(sdev, substream, reply); - - if (ret < 0) - dev_err(scomp->dev, "error: got wrong reply for PCM %d\n", - spcm->pcm.pcm_id); - - return ret; -} - /* * sof pcm period elapse work */ @@ -100,30 +84,10 @@ void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream) } EXPORT_SYMBOL(snd_sof_pcm_period_elapsed); -static int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream, - struct snd_sof_dev *sdev, - struct snd_sof_pcm *spcm) -{ - struct sof_ipc_stream stream; - struct sof_ipc_reply reply; - int ret; - - stream.hdr.size = sizeof(stream); - stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE; - stream.comp_id = spcm->stream[substream->stream].comp_id; - - /* send IPC to the DSP */ - ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream, - sizeof(stream), &reply, sizeof(reply)); - if (!ret) - spcm->prepared[substream->stream] = false; - - return ret; -} - -static int sof_pcm_setup_connected_widgets(struct snd_sof_dev *sdev, - struct snd_soc_pcm_runtime *rtd, - struct snd_sof_pcm *spcm, int dir) +static int +sof_pcm_setup_connected_widgets(struct snd_sof_dev *sdev, struct snd_soc_pcm_runtime *rtd, + struct snd_sof_pcm *spcm, struct snd_pcm_hw_params *params, + struct snd_sof_platform_stream_params *platform_params, int dir) { struct snd_soc_dai *dai; int ret, j; @@ -142,7 +106,7 @@ static int sof_pcm_setup_connected_widgets(struct snd_sof_dev *sdev, spcm->stream[dir].list = list; - ret = sof_widget_list_setup(sdev, spcm, dir); + ret = sof_widget_list_setup(sdev, spcm, params, platform_params, dir); if (ret < 0) { dev_err(sdev->dev, "error: failed widget list set up for pcm %d dir %d\n", spcm->pcm.pcm_id, dir); @@ -159,12 +123,12 @@ static int sof_pcm_hw_params(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct snd_sof_platform_stream_params platform_params = { 0 }; + const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm; struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); struct snd_sof_pcm *spcm; - struct sof_ipc_pcm_params pcm; - struct sof_ipc_pcm_params_reply ipc_params_reply; int ret; /* nothing to do for BE */ @@ -179,105 +143,52 @@ static int sof_pcm_hw_params(struct snd_soc_component *component, * Handle repeated calls to hw_params() without free_pcm() in * between. At least ALSA OSS emulation depends on this. */ - if (spcm->prepared[substream->stream]) { - ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); + if (pcm_ops->hw_free && spcm->prepared[substream->stream]) { + ret = pcm_ops->hw_free(component, substream); if (ret < 0) return ret; + + spcm->prepared[substream->stream] = false; } dev_dbg(component->dev, "pcm: hw params stream %d dir %d\n", spcm->pcm.pcm_id, substream->stream); - memset(&pcm, 0, sizeof(pcm)); - - /* create compressed page table for audio firmware */ - if (runtime->buffer_changed) { - ret = create_page_table(component, substream, runtime->dma_area, - runtime->dma_bytes); - if (ret < 0) - return ret; - } - - /* number of pages should be rounded up */ - pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes); - - /* set IPC PCM parameters */ - pcm.hdr.size = sizeof(pcm); - pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS; - pcm.comp_id = spcm->stream[substream->stream].comp_id; - pcm.params.hdr.size = sizeof(pcm.params); - pcm.params.buffer.phy_addr = - spcm->stream[substream->stream].page_table.addr; - pcm.params.buffer.size = runtime->dma_bytes; - pcm.params.direction = substream->stream; - pcm.params.sample_valid_bytes = params_width(params) >> 3; - pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED; - pcm.params.rate = params_rate(params); - pcm.params.channels = params_channels(params); - pcm.params.host_period_bytes = params_period_bytes(params); - - /* container size */ - ret = snd_pcm_format_physical_width(params_format(params)); - if (ret < 0) - return ret; - pcm.params.sample_container_bytes = ret >> 3; - - /* format */ - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_S16: - pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE; - break; - case SNDRV_PCM_FORMAT_S24: - pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE; - break; - case SNDRV_PCM_FORMAT_S32: - pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE; - break; - case SNDRV_PCM_FORMAT_FLOAT: - pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT; - break; - default: - return -EINVAL; - } - - /* firmware already configured host stream */ - ret = snd_sof_pcm_platform_hw_params(sdev, - substream, - params, - &pcm.params); + ret = snd_sof_pcm_platform_hw_params(sdev, substream, params, &platform_params); if (ret < 0) { - dev_err(component->dev, "error: platform hw params failed\n"); + dev_err(component->dev, "platform hw params failed\n"); return ret; } - dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag); - /* if this is a repeated hw_params without hw_free, skip setting up widgets */ if (!spcm->stream[substream->stream].list) { - ret = sof_pcm_setup_connected_widgets(sdev, rtd, spcm, substream->stream); + ret = sof_pcm_setup_connected_widgets(sdev, rtd, spcm, params, &platform_params, + substream->stream); if (ret < 0) return ret; } - /* send hw_params IPC to the DSP */ - ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm), - &ipc_params_reply, sizeof(ipc_params_reply)); - if (ret < 0) { - dev_err(component->dev, "error: hw params ipc failed for stream %d\n", - pcm.params.stream_tag); - return ret; + /* create compressed page table for audio firmware */ + if (runtime->buffer_changed) { + ret = create_page_table(component, substream, runtime->dma_area, + runtime->dma_bytes); + + if (ret < 0) + return ret; } - ret = sof_pcm_dsp_params(spcm, substream, &ipc_params_reply); - if (ret < 0) - return ret; + if (pcm_ops->hw_params) { + ret = pcm_ops->hw_params(component, substream, params, &platform_params); + if (ret < 0) + return ret; + } spcm->prepared[substream->stream] = true; /* save pcm hw_params */ memcpy(&spcm->params[substream->stream], params, sizeof(*params)); - return ret; + return 0; } static int sof_pcm_hw_free(struct snd_soc_component *component, @@ -285,6 +196,7 @@ static int sof_pcm_hw_free(struct snd_soc_component *component, { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); + const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm; struct snd_sof_pcm *spcm; int ret, err = 0; @@ -299,24 +211,29 @@ static int sof_pcm_hw_free(struct snd_soc_component *component, dev_dbg(component->dev, "pcm: free stream %d dir %d\n", spcm->pcm.pcm_id, substream->stream); - if (spcm->prepared[substream->stream]) { - ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); + /* free PCM in the DSP */ + if (pcm_ops->hw_free && spcm->prepared[substream->stream]) { + ret = pcm_ops->hw_free(component, substream); if (ret < 0) err = ret; - } - ret = sof_widget_list_free(sdev, spcm, substream->stream); - if (ret < 0) - err = ret; - - cancel_work_sync(&spcm->stream[substream->stream].period_elapsed_work); + spcm->prepared[substream->stream] = false; + } + /* stop DMA */ ret = snd_sof_pcm_platform_hw_free(sdev, substream); if (ret < 0) { dev_err(component->dev, "error: platform hw free failed\n"); err = ret; } + /* free the DAPM widget list */ + ret = sof_widget_list_free(sdev, spcm, substream->stream); + if (ret < 0) + err = ret; + + cancel_work_sync(&spcm->stream[substream->stream].period_elapsed_work); + return err; } @@ -362,13 +279,12 @@ static int sof_pcm_trigger(struct snd_soc_component *component, { struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); + const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm; struct snd_sof_pcm *spcm; - struct sof_ipc_stream stream; - struct sof_ipc_reply reply; bool reset_hw_params = false; bool free_widget_list = false; bool ipc_first = false; - int ret; + int ret = 0; /* nothing to do for BE */ if (rtd->dai_link->no_pcm) @@ -381,38 +297,12 @@ static int sof_pcm_trigger(struct snd_soc_component *component, dev_dbg(component->dev, "pcm: trigger stream %d dir %d cmd %d\n", spcm->pcm.pcm_id, substream->stream, cmd); - stream.hdr.size = sizeof(stream); - stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG; - stream.comp_id = spcm->stream[substream->stream].comp_id; - switch (cmd) { case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE; ipc_first = true; break; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE; break; - case SNDRV_PCM_TRIGGER_RESUME: - if (spcm->stream[substream->stream].suspend_ignored) { - /* - * this case will be triggered when INFO_RESUME is - * supported, no need to resume streams that remained - * enabled in D0ix. - */ - spcm->stream[substream->stream].suspend_ignored = false; - return 0; - } - - /* set up hw_params */ - ret = sof_pcm_prepare(component, substream); - if (ret < 0) { - dev_err(component->dev, - "error: failed to set up hw_params upon resume\n"); - return ret; - } - - fallthrough; case SNDRV_PCM_TRIGGER_START: if (spcm->stream[substream->stream].suspend_ignored) { /* @@ -423,7 +313,6 @@ static int sof_pcm_trigger(struct snd_soc_component *component, spcm->stream[substream->stream].suspend_ignored = false; return 0; } - stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START; break; case SNDRV_PCM_TRIGGER_SUSPEND: if (sdev->system_suspend_target == SOF_SUSPEND_S0IX && @@ -440,13 +329,11 @@ static int sof_pcm_trigger(struct snd_soc_component *component, free_widget_list = true; fallthrough; case SNDRV_PCM_TRIGGER_STOP: - stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP; ipc_first = true; reset_hw_params = true; break; default: - dev_err(component->dev, "error: unhandled trigger cmd %d\n", - cmd); + dev_err(component->dev, "Unhandled trigger cmd %d\n", cmd); return -EINVAL; } @@ -457,24 +344,17 @@ static int sof_pcm_trigger(struct snd_soc_component *component, if (!ipc_first) snd_sof_pcm_platform_trigger(sdev, substream, cmd); - /* send IPC to the DSP */ - ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream, - sizeof(stream), &reply, sizeof(reply)); + if (pcm_ops->trigger) + ret = pcm_ops->trigger(component, substream, cmd); - /* need to STOP DMA even if STOP IPC failed */ + /* need to STOP DMA even if trigger IPC failed */ if (ipc_first) snd_sof_pcm_platform_trigger(sdev, substream, cmd); /* free PCM if reset_hw_params is set and the STOP IPC is successful */ - if (!ret && reset_hw_params) { - ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); - if (ret < 0) - return ret; - - /* free widget list only for SUSPEND trigger */ - if (free_widget_list) - ret = sof_widget_list_free(sdev, spcm, substream->stream); - } + if (!ret && reset_hw_params) + ret = sof_pcm_stream_free(sdev, substream, spcm, substream->stream, + free_widget_list); return ret; } @@ -505,9 +385,7 @@ static snd_pcm_uframes_t sof_pcm_pointer(struct snd_soc_component *component, dai = bytes_to_frames(substream->runtime, spcm->stream[substream->stream].posn.dai_posn); - dev_vdbg(component->dev, - "PCM: stream %d dir %d DMA position %lu DAI position %lu\n", - spcm->pcm.pcm_id, substream->stream, host, dai); + trace_sof_pcm_pointer_position(sdev, spcm, substream, host, dai); return host; } @@ -518,7 +396,7 @@ static int sof_pcm_open(struct snd_soc_component *component, struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); - const struct snd_sof_dsp_ops *ops = sof_ops(sdev); + struct snd_sof_dsp_ops *ops = sof_ops(sdev); struct snd_sof_pcm *spcm; struct snd_soc_tplg_stream_caps *caps; int ret; @@ -678,31 +556,6 @@ capture: return 0; } -static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name, - struct snd_pcm_hw_params *params) -{ - struct sof_ipc_dai_config *config; - struct snd_sof_dai *dai; - int i; - - /* - * Search for all matching DAIs as we can have both playback and capture DAI - * associated with the same link. - */ - list_for_each_entry(dai, &sdev->dai_list, list) { - if (!dai->name || strcmp(link_name, dai->name)) - continue; - for (i = 0; i < dai->number_configs; i++) { - config = &dai->dai_config[i]; - if (config->ssp.fsync_rate == params_rate(params)) { - dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i); - dai->current_config = i; - break; - } - } - } -} - /* fixup the BE DAI link to match any values from topology */ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { @@ -716,7 +569,7 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa struct snd_sof_dai *dai = snd_sof_find_dai(component, (char *)rtd->dai_link->name); struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); - struct snd_soc_dpcm *dpcm; + const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm; /* no topology exists for this BE, try a common configuration */ if (!dai) { @@ -737,100 +590,8 @@ int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_pa return 0; } - /* read format from topology */ - snd_mask_none(fmt); - - switch (dai->comp_dai.config.frame_fmt) { - case SOF_IPC_FRAME_S16_LE: - snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); - break; - case SOF_IPC_FRAME_S24_4LE: - snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); - break; - case SOF_IPC_FRAME_S32_LE: - snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE); - break; - default: - dev_err(component->dev, "error: No available DAI format!\n"); - return -EINVAL; - } - - /* read rate and channels from topology */ - switch (dai->dai_config->type) { - case SOF_DAI_INTEL_SSP: - /* search for config to pcm params match, if not found use default */ - ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params); - - rate->min = dai->dai_config[dai->current_config].ssp.fsync_rate; - rate->max = dai->dai_config[dai->current_config].ssp.fsync_rate; - channels->min = dai->dai_config[dai->current_config].ssp.tdm_slots; - channels->max = dai->dai_config[dai->current_config].ssp.tdm_slots; - - dev_dbg(component->dev, - "rate_min: %d rate_max: %d\n", rate->min, rate->max); - dev_dbg(component->dev, - "channels_min: %d channels_max: %d\n", - channels->min, channels->max); - - break; - case SOF_DAI_INTEL_DMIC: - /* DMIC only supports 16 or 32 bit formats */ - if (dai->comp_dai.config.frame_fmt == SOF_IPC_FRAME_S24_4LE) { - dev_err(component->dev, - "error: invalid fmt %d for DAI type %d\n", - dai->comp_dai.config.frame_fmt, - dai->dai_config->type); - } - break; - case SOF_DAI_INTEL_HDA: - /* - * HDAudio does not follow the default trigger - * sequence due to firmware implementation - */ - for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) { - struct snd_soc_pcm_runtime *fe = dpcm->fe; - - fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] = - SND_SOC_DPCM_TRIGGER_POST; - } - break; - case SOF_DAI_INTEL_ALH: - /* - * Dai could run with different channel count compared with - * front end, so get dai channel count from topology - */ - channels->min = dai->dai_config->alh.channels; - channels->max = dai->dai_config->alh.channels; - break; - case SOF_DAI_IMX_ESAI: - rate->min = dai->dai_config->esai.fsync_rate; - rate->max = dai->dai_config->esai.fsync_rate; - channels->min = dai->dai_config->esai.tdm_slots; - channels->max = dai->dai_config->esai.tdm_slots; - - dev_dbg(component->dev, - "rate_min: %d rate_max: %d\n", rate->min, rate->max); - dev_dbg(component->dev, - "channels_min: %d channels_max: %d\n", - channels->min, channels->max); - break; - case SOF_DAI_IMX_SAI: - rate->min = dai->dai_config->sai.fsync_rate; - rate->max = dai->dai_config->sai.fsync_rate; - channels->min = dai->dai_config->sai.tdm_slots; - channels->max = dai->dai_config->sai.tdm_slots; - - dev_dbg(component->dev, - "rate_min: %d rate_max: %d\n", rate->min, rate->max); - dev_dbg(component->dev, - "channels_min: %d channels_max: %d\n", - channels->min, channels->max); - break; - default: - dev_err(component->dev, "error: invalid DAI type %d\n", - dai->dai_config->type); - break; - } + if (pcm_ops->dai_link_fixup) + return pcm_ops->dai_link_fixup(rtd, params); return 0; } @@ -843,6 +604,14 @@ static int sof_pcm_probe(struct snd_soc_component *component) const char *tplg_filename; int ret; + /* + * make sure the device is pm_runtime_active before loading the + * topology and initiating IPC or bus transactions + */ + ret = pm_runtime_resume_and_get(component->dev); + if (ret < 0 && ret != -EACCES) + return ret; + /* load the default topology */ sdev->component = component; @@ -860,6 +629,9 @@ static int sof_pcm_probe(struct snd_soc_component *component) return ret; } + pm_runtime_mark_last_busy(component->dev); + pm_runtime_put_autosuspend(component->dev); + return ret; } @@ -869,13 +641,26 @@ static void sof_pcm_remove(struct snd_soc_component *component) snd_soc_tplg_component_remove(component); } +static int sof_pcm_ack(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); + + return snd_sof_pcm_platform_ack(sdev, substream); +} + void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) { struct snd_soc_component_driver *pd = &sdev->plat_drv; struct snd_sof_pdata *plat_data = sdev->pdata; const char *drv_name; - drv_name = plat_data->machine->drv_name; + if (plat_data->machine) + drv_name = plat_data->machine->drv_name; + else if (plat_data->of_machine) + drv_name = plat_data->of_machine->drv_name; + else + drv_name = NULL; pd->name = "sof-audio-component"; pd->probe = sof_pcm_probe; @@ -887,10 +672,12 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) pd->hw_free = sof_pcm_hw_free; pd->trigger = sof_pcm_trigger; pd->pointer = sof_pcm_pointer; + pd->ack = sof_pcm_ack; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) - pd->compress_ops = &sof_probe_compressed_ops; +#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS) + pd->compress_ops = &sof_compressed_ops; #endif + pd->pcm_construct = sof_pcm_new; pd->ignore_machine = drv_name; pd->be_hw_params_fixup = sof_pcm_dai_link_fixup; @@ -900,4 +687,6 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) /* increment module refcount when a pcm is opened */ pd->module_get_upon_open = 1; + + pd->legacy_dai_naming = 1; } |