diff options
| -rw-r--r-- | sound/soc/intel/skylake/skl-topology.c | 448 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl-topology.h | 7 |
2 files changed, 455 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 56baf9d88f28..6d1d29aa933a 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -325,3 +325,451 @@ skl_tplg_init_pipe_modules(struct skl *skl, struct skl_pipe *pipe) return 0; } + +/* + * Mixer module represents a pipeline. So in the Pre-PMU event of mixer we + * need create the pipeline. So we do following: + * - check the resources + * - Create the pipeline + * - Initialize the modules in pipeline + * - finally bind all modules together + */ +static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w, + struct skl *skl) +{ + int ret; + struct skl_module_cfg *mconfig = w->priv; + struct skl_pipe_module *w_module; + struct skl_pipe *s_pipe = mconfig->pipe; + struct skl_module_cfg *src_module = NULL, *dst_module; + struct skl_sst *ctx = skl->skl_sst; + + /* check resource available */ + if (!skl_tplg_alloc_pipe_mcps(skl, mconfig)) + return -EBUSY; + + if (!skl_tplg_alloc_pipe_mem(skl, mconfig)) + return -ENOMEM; + + /* + * Create a list of modules for pipe. + * This list contains modules from source to sink + */ + ret = skl_create_pipeline(ctx, mconfig->pipe); + if (ret < 0) + return ret; + + /* + * we create a w_list of all widgets in that pipe. This list is not + * freed on PMD event as widgets within a pipe are static. This + * saves us cycles to get widgets in pipe every time. + * + * So if we have already initialized all the widgets of a pipeline + * we skip, so check for list_empty and create the list if empty + */ + if (list_empty(&s_pipe->w_list)) { + ret = skl_tplg_alloc_pipe_widget(ctx->dev, w, s_pipe); + if (ret < 0) + return ret; + } + + /* Init all pipe modules from source to sink */ + ret = skl_tplg_init_pipe_modules(skl, s_pipe); + if (ret < 0) + return ret; + + /* Bind modules from source to sink */ + list_for_each_entry(w_module, &s_pipe->w_list, node) { + dst_module = w_module->w->priv; + + if (src_module == NULL) { + src_module = dst_module; + continue; + } + + ret = skl_bind_modules(ctx, src_module, dst_module); + if (ret < 0) + return ret; + + src_module = dst_module; + } + + return 0; +} + +/* + * A PGA represents a module in a pipeline. So in the Pre-PMU event of PGA + * we need to do following: + * - Bind to sink pipeline + * Since the sink pipes can be running and we don't get mixer event on + * connect for already running mixer, we need to find the sink pipes + * here and bind to them. This way dynamic connect works. + * - Start sink pipeline, if not running + * - Then run current pipe + */ +static int skl_tplg_pga_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w, + struct skl *skl) +{ + struct snd_soc_dapm_path *p; + struct skl_dapm_path_list *path_list; + struct snd_soc_dapm_widget *source, *sink; + struct skl_module_cfg *src_mconfig, *sink_mconfig; + struct skl_sst *ctx = skl->skl_sst; + int ret = 0; + + source = w; + src_mconfig = source->priv; + + /* + * find which sink it is connected to, bind with the sink, + * if sink is not started, start sink pipe first, then start + * this pipe + */ + snd_soc_dapm_widget_for_each_source_path(w, p) { + if (!p->connect) + continue; + + dev_dbg(ctx->dev, "%s: src widget=%s\n", __func__, w->name); + dev_dbg(ctx->dev, "%s: sink widget=%s\n", __func__, p->sink->name); + + /* + * here we will check widgets in sink pipelines, so that + * can be any widgets type and we are only interested if + * they are ones used for SKL so check that first + */ + if ((p->sink->priv != NULL) && + is_skl_dsp_widget_type(p->sink)) { + + sink = p->sink; + src_mconfig = source->priv; + sink_mconfig = sink->priv; + + /* Bind source to sink, mixin is always source */ + ret = skl_bind_modules(ctx, src_mconfig, sink_mconfig); + if (ret) + return ret; + + /* Start sinks pipe first */ + if (sink_mconfig->pipe->state != SKL_PIPE_STARTED) { + ret = skl_run_pipe(ctx, sink_mconfig->pipe); + if (ret) + return ret; + } + + path_list = kzalloc( + sizeof(struct skl_dapm_path_list), + GFP_KERNEL); + if (path_list == NULL) + return -ENOMEM; + + /* Add connected path to one global list */ + path_list->dapm_path = p; + list_add_tail(&path_list->node, &skl->dapm_path_list); + break; + } + } + + /* Start source pipe last after starting all sinks */ + ret = skl_run_pipe(ctx, src_mconfig->pipe); + if (ret) + return ret; + + return 0; +} + +/* + * in the Post-PMU event of mixer we need to do following: + * - Check if this pipe is running + * - if not, then + * - bind this pipeline to its source pipeline + * if source pipe is already running, this means it is a dynamic + * connection and we need to bind only to that pipe + * - start this pipeline + */ +static int skl_tplg_mixer_dapm_post_pmu_event(struct snd_soc_dapm_widget *w, + struct skl *skl) +{ + int ret = 0; + struct snd_soc_dapm_path *p; + struct snd_soc_dapm_widget *source, *sink; + struct skl_module_cfg *src_mconfig, *sink_mconfig; + struct skl_sst *ctx = skl->skl_sst; + int src_pipe_started = 0; + + sink = w; + sink_mconfig = sink->priv; + + /* + * If source pipe is already started, that means source is driving + * one more sink before this sink got connected, Since source is + * started, bind this sink to source and start this pipe. + */ + snd_soc_dapm_widget_for_each_sink_path(w, p) { + if (!p->connect) + continue; + + dev_dbg(ctx->dev, "sink widget=%s\n", w->name); + dev_dbg(ctx->dev, "src widget=%s\n", p->source->name); + + /* + * here we will check widgets in sink pipelines, so that + * can be any widgets type and we are only interested if + * they are ones used for SKL so check that first + */ + if ((p->source->priv != NULL) && + is_skl_dsp_widget_type(p->source)) { + source = p->source; + src_mconfig = source->priv; + sink_mconfig = sink->priv; + src_pipe_started = 1; + + /* + * check pipe state, then no need to bind or start + * the pipe + */ + if (src_mconfig->pipe->state != SKL_PIPE_STARTED) + src_pipe_started = 0; + } + } + + if (src_pipe_started) { + ret = skl_bind_modules(ctx, src_mconfig, sink_mconfig); + if (ret) + return ret; + + ret = skl_run_pipe(ctx, sink_mconfig->pipe); + } + + return ret; +} + +/* + * in the Pre-PMD event of mixer we need to do following: + * - Stop the pipe + * - find the source connections and remove that from dapm_path_list + * - unbind with source pipelines if still connected + */ +static int skl_tplg_mixer_dapm_pre_pmd_event(struct snd_soc_dapm_widget *w, + struct skl *skl) +{ + struct snd_soc_dapm_widget *source, *sink; + struct skl_module_cfg *src_mconfig, *sink_mconfig; + int ret = 0, path_found = 0; + struct skl_dapm_path_list *path_list, *tmp_list; + struct skl_sst *ctx = skl->skl_sst; + + sink = w; + sink_mconfig = sink->priv; + + /* Stop the pipe */ + ret = skl_stop_pipe(ctx, sink_mconfig->pipe); + if (ret) + return ret; + + /* + * This list, dapm_path_list handling here does not need any locks + * as we are under dapm lock while handling widget events. + * List can be manipulated safely only under dapm widgets handler + * routines + */ + list_for_each_entry_safe(path_list, tmp_list, + &skl->dapm_path_list, node) { + if (path_list->dapm_path->sink == sink) { + dev_dbg(ctx->dev, "Path found = %s\n", + path_list->dapm_path->name); + source = path_list->dapm_path->source; + src_mconfig = source->priv; + path_found = 1; + + list_del(&path_list->node); + kfree(path_list); + break; + } + } + + /* + * If path_found == 1, that means pmd for source pipe has + * not occurred, source is connected to some other sink. + * so its responsibility of sink to unbind itself from source. + */ + if (path_found) { + ret = skl_stop_pipe(ctx, src_mconfig->pipe); + if (ret < 0) + return ret; + + ret = skl_unbind_modules(ctx, src_mconfig, sink_mconfig); + } + + return ret; +} + +/* + * in the Post-PMD event of mixer we need to do following: + * - Free the mcps used + * - Free the mem used + * - Unbind the modules within the pipeline + * - Delete the pipeline (modules are not required to be explicitly + * deleted, pipeline delete is enough here + */ +static int skl_tplg_mixer_dapm_post_pmd_event(struct snd_soc_dapm_widget *w, + struct skl *skl) +{ + struct skl_module_cfg *mconfig = w->priv; + struct skl_pipe_module *w_module; + struct skl_module_cfg *src_module = NULL, *dst_module; + struct skl_sst *ctx = skl->skl_sst; + struct skl_pipe *s_pipe = mconfig->pipe; + int ret = 0; + + skl_tplg_free_pipe_mcps(skl, mconfig); + + list_for_each_entry(w_module, &s_pipe->w_list, node) { + dst_module = w_module->w->priv; + + if (src_module == NULL) { + src_module = dst_module; + continue; + } + + ret = skl_unbind_modules(ctx, src_module, dst_module); + if (ret < 0) + return ret; + + src_module = dst_module; + } + + ret = skl_delete_pipe(ctx, mconfig->pipe); + skl_tplg_free_pipe_mem(skl, mconfig); + + return ret; +} + +/* + * in the Post-PMD event of PGA we need to do following: + * - Free the mcps used + * - Stop the pipeline + * - In source pipe is connected, unbind with source pipelines + */ +static int skl_tplg_pga_dapm_post_pmd_event(struct snd_soc_dapm_widget *w, + struct skl *skl) +{ + struct snd_soc_dapm_widget *source, *sink; + struct skl_module_cfg *src_mconfig, *sink_mconfig; + int ret = 0, path_found = 0; + struct skl_dapm_path_list *path_list, *tmp_path_list; + struct skl_sst *ctx = skl->skl_sst; + + source = w; + src_mconfig = source->priv; + + skl_tplg_free_pipe_mcps(skl, src_mconfig); + /* Stop the pipe since this is a mixin module */ + ret = skl_stop_pipe(ctx, src_mconfig->pipe); + if (ret) + return ret; + + list_for_each_entry_safe(path_list, tmp_path_list, &skl->dapm_path_list, node) { + if (path_list->dapm_path->source == source) { + dev_dbg(ctx->dev, "Path found = %s\n", + path_list->dapm_path->name); + sink = path_list->dapm_path->sink; + sink_mconfig = sink->priv; + path_found = 1; + + list_del(&path_list->node); + kfree(path_list); + break; + } + } + + /* + * This is a connector and if path is found that means + * unbind between source and sink has not happened yet + */ + if (path_found) { + ret = skl_stop_pipe(ctx, src_mconfig->pipe); + if (ret < 0) + return ret; + + ret = skl_unbind_modules(ctx, src_mconfig, sink_mconfig); + } + + return ret; +} + +/* + * In modelling, we assume there will be ONLY one mixer in a pipeline. If + * mixer is not required then it is treated as static mixer aka vmixer with + * a hard path to source module + * So we don't need to check if source is started or not as hard path puts + * dependency on each other + */ +static int skl_tplg_vmixer_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_dapm_context *dapm = w->dapm; + struct skl *skl = get_skl_ctx(dapm->dev); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + return skl_tplg_mixer_dapm_pre_pmu_event(w, skl); + + case SND_SOC_DAPM_POST_PMD: + return skl_tplg_mixer_dapm_post_pmd_event(w, skl); + } + + return 0; +} + +/* + * In modelling, we assume there will be ONLY one mixer in a pipeline. If a + * second one is required that is created as another pipe entity. + * The mixer is responsible for pipe management and represent a pipeline + * instance + */ +static int skl_tplg_mixer_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) +{ + struct snd_soc_dapm_context *dapm = w->dapm; + struct skl *skl = get_skl_ctx(dapm->dev); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + return skl_tplg_mixer_dapm_pre_pmu_event(w, skl); + + case SND_SOC_DAPM_POST_PMU: + return skl_tplg_mixer_dapm_post_pmu_event(w, skl); + + case SND_SOC_DAPM_PRE_PMD: + return skl_tplg_mixer_dapm_pre_pmd_event(w, skl); + + case SND_SOC_DAPM_POST_PMD: + return skl_tplg_mixer_dapm_post_pmd_event(w, skl); + } + + return 0; +} + +/* + * In modelling, we assumed rest of the modules in pipeline are PGA. But we + * are interested in last PGA (leaf PGA) in a pipeline to disconnect with + * the sink when it is running (two FE to one BE or one FE to two BE) + * scenarios + */ +static int skl_tplg_pga_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *k, int event) + +{ + struct snd_soc_dapm_context *dapm = w->dapm; + struct skl *skl = get_skl_ctx(dapm->dev); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + return skl_tplg_pga_dapm_pre_pmu_event(w, skl); + + case SND_SOC_DAPM_POST_PMD: + return skl_tplg_pga_dapm_post_pmd_event(w, skl); + } + + return 0; +} diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h index 73d7916ee33e..b3a22a6f8d27 100644 --- a/sound/soc/intel/skylake/skl-topology.h +++ b/sound/soc/intel/skylake/skl-topology.h @@ -273,6 +273,13 @@ struct skl_dapm_path_list { struct list_head node; }; +static inline struct skl *get_skl_ctx(struct device *dev) +{ + struct hdac_ext_bus *ebus = dev_get_drvdata(dev); + + return ebus_to_skl(ebus); +} + int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe); int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe); |