diff options
| -rw-r--r-- | sound/soc/intel/skylake/skl-topology.c | 238 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl-topology.h | 12 |
2 files changed, 250 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 6d1d29aa933a..827f21db0eb2 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -773,3 +773,241 @@ static int skl_tplg_pga_event(struct snd_soc_dapm_widget *w, return 0; } + +/* + * The FE params are passed by hw_params of the DAI. + * On hw_params, the params are stored in Gateway module of the FE and we + * need to calculate the format in DSP module configuration, that + * conversion is done here + */ +int skl_tplg_update_pipe_params(struct device *dev, + struct skl_module_cfg *mconfig, + struct skl_pipe_params *params) +{ + struct skl_pipe *pipe = mconfig->pipe; + struct skl_module_fmt *format = NULL; + + memcpy(pipe->p_params, params, sizeof(*params)); + + if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) + format = &mconfig->in_fmt; + else + format = &mconfig->out_fmt; + + /* set the hw_params */ + format->s_freq = params->s_freq; + format->channels = params->ch; + format->valid_bit_depth = skl_get_bit_depth(params->s_fmt); + + /* + * 16 bit is 16 bit container whereas 24 bit is in 32 bit + * container so update bit depth accordingly + */ + switch (format->valid_bit_depth) { + case SKL_DEPTH_16BIT: + format->bit_depth = format->valid_bit_depth; + break; + + case SKL_DEPTH_24BIT: + format->bit_depth = SKL_DEPTH_32BIT; + break; + + default: + dev_err(dev, "Invalid bit depth %x for pipe\n", + format->valid_bit_depth); + return -EINVAL; + } + + if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) { + mconfig->ibs = (format->s_freq / 1000) * + (format->channels) * + (format->bit_depth >> 3); + } else { + mconfig->obs = (format->s_freq / 1000) * + (format->channels) * + (format->bit_depth >> 3); + } + + return 0; +} + +/* + * Query the module config for the FE DAI + * This is used to find the hw_params set for that DAI and apply to FE + * pipeline + */ +struct skl_module_cfg * +skl_tplg_fe_get_cpr_module(struct snd_soc_dai *dai, int stream) +{ + struct snd_soc_dapm_widget *w; + struct snd_soc_dapm_path *p = NULL; + + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { + w = dai->playback_widget; + snd_soc_dapm_widget_for_each_source_path(w, p) { + if (p->connect && p->sink->power && + is_skl_dsp_widget_type(p->sink)) + continue; + + if (p->sink->priv) { + dev_dbg(dai->dev, "set params for %s\n", + p->sink->name); + return p->sink->priv; + } + } + } else { + w = dai->capture_widget; + snd_soc_dapm_widget_for_each_sink_path(w, p) { + if (p->connect && p->source->power && + is_skl_dsp_widget_type(p->source)) + continue; + + if (p->source->priv) { + dev_dbg(dai->dev, "set params for %s\n", + p->source->name); + return p->source->priv; + } + } + } + + return NULL; +} + +static u8 skl_tplg_be_link_type(int dev_type) +{ + int ret; + + switch (dev_type) { + case SKL_DEVICE_BT: + ret = NHLT_LINK_SSP; + break; + + case SKL_DEVICE_DMIC: + ret = NHLT_LINK_DMIC; + break; + + case SKL_DEVICE_I2S: + ret = NHLT_LINK_SSP; + break; + + case SKL_DEVICE_HDALINK: + ret = NHLT_LINK_HDA; + break; + + default: + ret = NHLT_LINK_INVALID; + break; + } + + return ret; +} + +/* + * Fill the BE gateway parameters + * The BE gateway expects a blob of parameters which are kept in the ACPI + * NHLT blob, so query the blob for interface type (i2s/pdm) and instance. + * The port can have multiple settings so pick based on the PCM + * parameters + */ +static int skl_tplg_be_fill_pipe_params(struct snd_soc_dai *dai, + struct skl_module_cfg *mconfig, + struct skl_pipe_params *params) +{ + struct skl_pipe *pipe = mconfig->pipe; + struct nhlt_specific_cfg *cfg; + struct skl *skl = get_skl_ctx(dai->dev); + int link_type = skl_tplg_be_link_type(mconfig->dev_type); + + memcpy(pipe->p_params, params, sizeof(*params)); + + /* update the blob based on virtual bus_id*/ + cfg = skl_get_ep_blob(skl, mconfig->vbus_id, link_type, + params->s_fmt, params->ch, + params->s_freq, params->stream); + if (cfg) { + mconfig->formats_config.caps_size = cfg->size; + memcpy(mconfig->formats_config.caps, &cfg->caps, cfg->size); + } else { + dev_err(dai->dev, "Blob NULL for id %x type %d dirn %d\n", + mconfig->vbus_id, link_type, + params->stream); + dev_err(dai->dev, "PCM: ch %d, freq %d, fmt %d\n", + params->ch, params->s_freq, params->s_fmt); + return -EINVAL; + } + + return 0; +} + +static int skl_tplg_be_set_src_pipe_params(struct snd_soc_dai *dai, + struct snd_soc_dapm_widget *w, + struct skl_pipe_params *params) +{ + struct snd_soc_dapm_path *p; + + snd_soc_dapm_widget_for_each_sink_path(w, p) { + if (p->connect && is_skl_dsp_widget_type(p->source) && + p->source->priv) { + + if (!p->source->power) + return skl_tplg_be_fill_pipe_params( + dai, p->source->priv, + params); + else + return -EBUSY; + } else { + return skl_tplg_be_set_src_pipe_params( + dai, p->source, params); + } + } + + return -EIO; +} + +static int skl_tplg_be_set_sink_pipe_params(struct snd_soc_dai *dai, + struct snd_soc_dapm_widget *w, struct skl_pipe_params *params) +{ + struct snd_soc_dapm_path *p = NULL; + + snd_soc_dapm_widget_for_each_source_path(w, p) { + if (p->connect && is_skl_dsp_widget_type(p->sink) && + p->sink->priv) { + + if (!p->sink->power) + return skl_tplg_be_fill_pipe_params( + dai, p->sink->priv, params); + else + return -EBUSY; + + } else { + return skl_tplg_be_set_sink_pipe_params( + dai, p->sink, params); + } + } + + return -EIO; +} + +/* + * BE hw_params can be a source parameters (capture) or sink parameters + * (playback). Based on sink and source we need to either find the source + * list or the sink list and set the pipeline parameters + */ +int skl_tplg_be_update_params(struct snd_soc_dai *dai, + struct skl_pipe_params *params) +{ + struct snd_soc_dapm_widget *w; + + if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) { + w = dai->playback_widget; + + return skl_tplg_be_set_src_pipe_params(dai, w, params); + + } else { + w = dai->capture_widget; + + return skl_tplg_be_set_sink_pipe_params(dai, w, params); + } + + return 0; +} diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h index b3a22a6f8d27..12db94d238f2 100644 --- a/sound/soc/intel/skylake/skl-topology.h +++ b/sound/soc/intel/skylake/skl-topology.h @@ -280,6 +280,18 @@ static inline struct skl *get_skl_ctx(struct device *dev) return ebus_to_skl(ebus); } +int skl_tplg_be_update_params(struct snd_soc_dai *dai, + struct skl_pipe_params *params); +void skl_tplg_set_be_dmic_config(struct snd_soc_dai *dai, + struct skl_pipe_params *params, int stream); +int skl_tplg_init(struct snd_soc_platform *platform, + struct hdac_ext_bus *ebus); +struct skl_module_cfg *skl_tplg_fe_get_cpr_module( + struct snd_soc_dai *dai, int stream); +int skl_tplg_update_pipe_params(struct device *dev, + struct skl_module_cfg *mconfig, struct skl_pipe_params *params); + + int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe); int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe); |