diff options
Diffstat (limited to 'sound/soc/sof/sof-audio.c')
| -rw-r--r-- | sound/soc/sof/sof-audio.c | 1272 |
1 files changed, 579 insertions, 693 deletions
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c index 9e76b796502f..a9664b4cf43f 100644 --- a/sound/soc/sof/sof-audio.c +++ b/sound/soc/sof/sof-audio.c @@ -3,346 +3,266 @@ // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // -// Copyright(c) 2019 Intel Corporation. All rights reserved. +// Copyright(c) 2019 Intel Corporation // // Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> // #include <linux/bitfield.h> +#include <trace/events/sof.h> #include "sof-audio.h" #include "ops.h" -static int sof_kcontrol_setup(struct snd_sof_dev *sdev, struct snd_sof_control *scontrol) +static bool is_virtual_widget(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget, + const char *func) { - int ret; - - /* reset readback offset for scontrol */ - scontrol->readback_offset = 0; - - ret = snd_sof_ipc_set_get_comp_data(scontrol, true); - if (ret < 0) - dev_err(sdev->dev, "error: failed kcontrol value set for widget: %d\n", - scontrol->comp_id); - - return ret; -} - -static int sof_dai_config_setup(struct snd_sof_dev *sdev, struct snd_sof_dai *dai) -{ - struct sof_ipc_dai_config *config; - struct sof_ipc_reply reply; - int ret; - - config = &dai->dai_config[dai->current_config]; - if (!config) { - dev_err(sdev->dev, "error: no config for DAI %s\n", dai->name); - return -EINVAL; + switch (widget->id) { + case snd_soc_dapm_out_drv: + case snd_soc_dapm_output: + case snd_soc_dapm_input: + dev_dbg(sdev->dev, "%s: %s is a virtual widget\n", func, widget->name); + return true; + default: + return false; } - - /* set NONE flag to clear all previous settings */ - config->flags = SOF_DAI_CONFIG_FLAGS_NONE; - - ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, - &reply, sizeof(reply)); - - if (ret < 0) - dev_err(sdev->dev, "error: failed to set dai config for %s\n", dai->name); - - return ret; -} - -static int sof_widget_kcontrol_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) -{ - struct snd_sof_control *scontrol; - int ret; - - /* set up all controls for the widget */ - list_for_each_entry(scontrol, &sdev->kcontrol_list, list) - if (scontrol->comp_id == swidget->comp_id) { - /* set kcontrol data in DSP */ - ret = sof_kcontrol_setup(sdev, scontrol); - if (ret < 0) { - dev_err(sdev->dev, "error: fail to set up kcontrols for widget %s\n", - swidget->widget->name); - return ret; - } - - /* - * Read back the data from the DSP for static widgets. This is particularly - * useful for binary kcontrols associated with static pipeline widgets to - * initialize the data size to match that in the DSP. - */ - if (swidget->dynamic_pipeline_widget) - continue; - - ret = snd_sof_ipc_set_get_comp_data(scontrol, false); - if (ret < 0) - dev_warn(sdev->dev, "Failed kcontrol get for control in widget %s\n", - swidget->widget->name); - } - - return 0; } static void sof_reset_route_setup_status(struct snd_sof_dev *sdev, struct snd_sof_widget *widget) { + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); struct snd_sof_route *sroute; list_for_each_entry(sroute, &sdev->route_list, list) - if (sroute->src_widget == widget || sroute->sink_widget == widget) + if (sroute->src_widget == widget || sroute->sink_widget == widget) { + if (sroute->setup && tplg_ops && tplg_ops->route_free) + tplg_ops->route_free(sdev, sroute); + sroute->setup = false; + } } -int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) +static int sof_widget_free_unlocked(struct snd_sof_dev *sdev, + struct snd_sof_widget *swidget) { - struct sof_ipc_free ipc_free = { - .hdr = { - .size = sizeof(ipc_free), - .cmd = SOF_IPC_GLB_TPLG_MSG, - }, - .id = swidget->comp_id, - }; - struct sof_ipc_reply reply; - int ret, ret1, core; + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); + struct snd_sof_pipeline *spipe = swidget->spipe; + int err = 0; + int ret; if (!swidget->private) return 0; + trace_sof_widget_free(swidget); + /* only free when use_count is 0 */ if (--swidget->use_count) return 0; - core = swidget->core; + /* reset route setup status for all routes that contain this widget */ + sof_reset_route_setup_status(sdev, swidget); + + /* free DAI config and continue to free widget even if it fails */ + if (WIDGET_IS_DAI(swidget->id)) { + struct snd_sof_dai_config_data data; + unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_FREE; - switch (swidget->id) { - case snd_soc_dapm_scheduler: - { - const struct sof_ipc_pipe_new *pipeline = swidget->private; + data.dai_data = DMA_CHAN_INVALID; - core = pipeline->core; - ipc_free.hdr.cmd |= SOF_IPC_TPLG_PIPE_FREE; - break; - } - case snd_soc_dapm_buffer: - ipc_free.hdr.cmd |= SOF_IPC_TPLG_BUFFER_FREE; - break; - case snd_soc_dapm_dai_in: - case snd_soc_dapm_dai_out: - { - struct snd_sof_dai *dai = swidget->private; - - dai->configured = false; - fallthrough; - } - default: - ipc_free.hdr.cmd |= SOF_IPC_TPLG_COMP_FREE; - break; + if (tplg_ops && tplg_ops->dai_config) { + err = tplg_ops->dai_config(sdev, swidget, flags, &data); + if (err < 0) + dev_err(sdev->dev, "failed to free config for widget %s\n", + swidget->widget->name); + } } /* continue to disable core even if IPC fails */ - ret = sof_ipc_tx_message(sdev->ipc, ipc_free.hdr.cmd, &ipc_free, sizeof(ipc_free), - &reply, sizeof(reply)); - if (ret < 0) - dev_err(sdev->dev, "error: failed to free widget %s\n", swidget->widget->name); + if (tplg_ops && tplg_ops->widget_free) { + ret = tplg_ops->widget_free(sdev, swidget); + if (ret < 0 && !err) + err = ret; + } /* - * disable widget core. continue to route setup status and complete flag - * even if this fails and return the appropriate error + * decrement ref count for cores associated with all modules in the pipeline and clear + * the complete flag */ - ret1 = snd_sof_dsp_core_put(sdev, core); - if (ret1 < 0) { - dev_err(sdev->dev, "error: failed to disable target core: %d for widget %s\n", - core, swidget->widget->name); - if (!ret) - ret = ret1; + if (swidget->id == snd_soc_dapm_scheduler) { + int i; + + for_each_set_bit(i, &spipe->core_mask, sdev->num_cores) { + ret = snd_sof_dsp_core_put(sdev, i); + if (ret < 0) { + dev_err(sdev->dev, "failed to disable target core: %d for pipeline %s\n", + i, swidget->widget->name); + if (!err) + err = ret; + } + } + swidget->spipe->complete = 0; } - /* reset route setup status for all routes that contain this widget */ - sof_reset_route_setup_status(sdev, swidget); - swidget->complete = 0; + /* + * free the scheduler widget (same as pipe_widget) associated with the current swidget. + * skip for static pipelines + */ + if (swidget->spipe && swidget->dynamic_pipeline_widget && + swidget->id != snd_soc_dapm_scheduler) { + ret = sof_widget_free_unlocked(sdev, swidget->spipe->pipe_widget); + if (ret < 0 && !err) + err = ret; + } - if (!ret) + if (!err) dev_dbg(sdev->dev, "widget %s freed\n", swidget->widget->name); + return err; +} + +int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) +{ + int ret; + + mutex_lock(&swidget->setup_mutex); + ret = sof_widget_free_unlocked(sdev, swidget); + mutex_unlock(&swidget->setup_mutex); + return ret; } EXPORT_SYMBOL(sof_widget_free); -int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) +static int sof_widget_setup_unlocked(struct snd_sof_dev *sdev, + struct snd_sof_widget *swidget) { - struct sof_ipc_pipe_new *pipeline; - struct sof_ipc_comp_reply r; - struct sof_ipc_cmd_hdr *hdr; - struct sof_ipc_comp *comp; - struct snd_sof_dai *dai; - size_t ipc_size; + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); + struct snd_sof_pipeline *spipe = swidget->spipe; + bool use_count_decremented = false; int ret; - int core; + int i; /* skip if there is no private data */ if (!swidget->private) return 0; + trace_sof_widget_setup(swidget); + /* widget already set up */ if (++swidget->use_count > 1) return 0; - /* set core ID */ - core = swidget->core; - if (swidget->id == snd_soc_dapm_scheduler) { - pipeline = swidget->private; - core = pipeline->core; - } + /* + * The scheduler widget for a pipeline is not part of the connected DAPM + * widget list and it needs to be set up before the widgets in the pipeline + * are set up. The use_count for the scheduler widget is incremented for every + * widget in a given pipeline to ensure that it is freed only after the last + * widget in the pipeline is freed. Skip setting up scheduler widget for static pipelines. + */ + if (swidget->dynamic_pipeline_widget && swidget->id != snd_soc_dapm_scheduler) { + if (!swidget->spipe || !swidget->spipe->pipe_widget) { + dev_err(sdev->dev, "No pipeline set for %s\n", swidget->widget->name); + ret = -EINVAL; + goto use_count_dec; + } - /* enable widget core */ - ret = snd_sof_dsp_core_get(sdev, core); - if (ret < 0) { - dev_err(sdev->dev, "error: failed to enable target core for widget %s\n", - swidget->widget->name); - goto use_count_dec; + ret = sof_widget_setup_unlocked(sdev, swidget->spipe->pipe_widget); + if (ret < 0) + goto use_count_dec; } - switch (swidget->id) { - case snd_soc_dapm_dai_in: - case snd_soc_dapm_dai_out: - ipc_size = sizeof(struct sof_ipc_comp_dai) + sizeof(struct sof_ipc_comp_ext); - comp = kzalloc(ipc_size, GFP_KERNEL); - if (!comp) { - ret = -ENOMEM; - goto core_put; + /* update ref count for cores associated with all modules in the pipeline */ + if (swidget->id == snd_soc_dapm_scheduler) { + for_each_set_bit(i, &spipe->core_mask, sdev->num_cores) { + ret = snd_sof_dsp_core_get(sdev, i); + if (ret < 0) { + dev_err(sdev->dev, "failed to enable target core %d for pipeline %s\n", + i, swidget->widget->name); + goto pipe_widget_free; + } } + } - dai = swidget->private; - dai->configured = false; - memcpy(comp, &dai->comp_dai, sizeof(struct sof_ipc_comp_dai)); - - /* append extended data to the end of the component */ - memcpy((u8 *)comp + sizeof(struct sof_ipc_comp_dai), &swidget->comp_ext, - sizeof(swidget->comp_ext)); - - ret = sof_ipc_tx_message(sdev->ipc, comp->hdr.cmd, comp, ipc_size, &r, sizeof(r)); - kfree(comp); - if (ret < 0) { - dev_err(sdev->dev, "error: failed to load widget %s\n", - swidget->widget->name); - goto core_put; - } + /* setup widget in the DSP */ + if (tplg_ops && tplg_ops->widget_setup) { + ret = tplg_ops->widget_setup(sdev, swidget); + if (ret < 0) + goto pipe_widget_free; + } - ret = sof_dai_config_setup(sdev, dai); - if (ret < 0) { - dev_err(sdev->dev, "error: failed to load dai config for DAI %s\n", - swidget->widget->name); + /* send config for DAI components */ + if (WIDGET_IS_DAI(swidget->id)) { + unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS; - /* - * widget use_count and core ref_count will both be decremented by - * sof_widget_free() - */ - sof_widget_free(sdev, swidget); - return ret; + /* + * The config flags saved during BE DAI hw_params will be used for IPC3. IPC4 does + * not use the flags argument. + */ + if (tplg_ops && tplg_ops->dai_config) { + ret = tplg_ops->dai_config(sdev, swidget, flags, NULL); + if (ret < 0) + goto widget_free; } - break; - case snd_soc_dapm_scheduler: - pipeline = swidget->private; - ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline, - sizeof(*pipeline), &r, sizeof(r)); - break; - default: - hdr = swidget->private; - ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd, swidget->private, hdr->size, - &r, sizeof(r)); - break; - } - if (ret < 0) { - dev_err(sdev->dev, "error: failed to load widget %s\n", swidget->widget->name); - goto core_put; } /* restore kcontrols for widget */ - ret = sof_widget_kcontrol_setup(sdev, swidget); - if (ret < 0) { - dev_err(sdev->dev, "error: failed to restore kcontrols for widget %s\n", - swidget->widget->name); - /* - * widget use_count and core ref_count will both be decremented by - * sof_widget_free() - */ - sof_widget_free(sdev, swidget); - return ret; + if (tplg_ops && tplg_ops->control && tplg_ops->control->widget_kcontrol_setup) { + ret = tplg_ops->control->widget_kcontrol_setup(sdev, swidget); + if (ret < 0) + goto widget_free; } dev_dbg(sdev->dev, "widget %s setup complete\n", swidget->widget->name); return 0; -core_put: - snd_sof_dsp_core_put(sdev, core); +widget_free: + /* widget use_count will be decremented by sof_widget_free() */ + sof_widget_free_unlocked(sdev, swidget); + use_count_decremented = true; +pipe_widget_free: + if (swidget->id != snd_soc_dapm_scheduler) { + sof_widget_free_unlocked(sdev, swidget->spipe->pipe_widget); + } else { + int j; + + /* decrement ref count for all cores that were updated previously */ + for_each_set_bit(j, &spipe->core_mask, sdev->num_cores) { + if (j >= i) + break; + snd_sof_dsp_core_put(sdev, j); + } + } use_count_dec: - swidget->use_count--; + if (!use_count_decremented) + swidget->use_count--; + return ret; } -EXPORT_SYMBOL(sof_widget_setup); -static int sof_route_setup_ipc(struct snd_sof_dev *sdev, struct snd_sof_route *sroute) +int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) { - struct sof_ipc_pipe_comp_connect *connect; - struct sof_ipc_reply reply; int ret; - /* skip if there's no private data */ - if (!sroute->private) - return 0; + mutex_lock(&swidget->setup_mutex); + ret = sof_widget_setup_unlocked(sdev, swidget); + mutex_unlock(&swidget->setup_mutex); - /* nothing to do if route is already set up */ - if (sroute->setup) - return 0; - - connect = sroute->private; - - dev_dbg(sdev->dev, "setting up route %s -> %s\n", - sroute->src_widget->widget->name, - sroute->sink_widget->widget->name); - - /* send ipc */ - ret = sof_ipc_tx_message(sdev->ipc, - connect->hdr.cmd, - connect, sizeof(*connect), - &reply, sizeof(reply)); - if (ret < 0) { - dev_err(sdev->dev, "%s: route setup failed %d\n", __func__, ret); - return ret; - } - - sroute->setup = true; - - return 0; + return ret; } +EXPORT_SYMBOL(sof_widget_setup); -static int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource, - struct snd_soc_dapm_widget *wsink) +int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource, + struct snd_soc_dapm_widget *wsink) { + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); struct snd_sof_widget *src_widget = wsource->dobj.private; struct snd_sof_widget *sink_widget = wsink->dobj.private; struct snd_sof_route *sroute; bool route_found = false; /* ignore routes involving virtual widgets in topology */ - switch (src_widget->id) { - case snd_soc_dapm_out_drv: - case snd_soc_dapm_output: - case snd_soc_dapm_input: + if (is_virtual_widget(sdev, src_widget->widget, __func__) || + is_virtual_widget(sdev, sink_widget->widget, __func__)) return 0; - default: - break; - } - - switch (sink_widget->id) { - case snd_soc_dapm_out_drv: - case snd_soc_dapm_output: - case snd_soc_dapm_input: - return 0; - default: - break; - } /* find route matching source and sink widgets */ list_for_each_entry(sroute, &sdev->route_list, list) @@ -357,15 +277,29 @@ static int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget return -EINVAL; } - return sof_route_setup_ipc(sdev, sroute); + /* nothing to do if route is already set up */ + if (sroute->setup) + return 0; + + if (tplg_ops && tplg_ops->route_setup) { + int ret = tplg_ops->route_setup(sdev, sroute); + + if (ret < 0) + return ret; + } + + sroute->setup = true; + return 0; } static int sof_setup_pipeline_connections(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget_list *list, int dir) { + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); struct snd_soc_dapm_widget *widget; + struct snd_sof_route *sroute; struct snd_soc_dapm_path *p; - int ret; + int ret = 0; int i; /* @@ -379,471 +313,520 @@ static int sof_setup_pipeline_connections(struct snd_sof_dev *sdev, if (!widget->dobj.private) continue; - snd_soc_dapm_widget_for_each_sink_path(widget, p) + snd_soc_dapm_widget_for_each_sink_path(widget, p) { + if (!widget_in_list(list, p->sink)) + continue; + if (p->sink->dobj.private) { ret = sof_route_setup(sdev, widget, p->sink); if (ret < 0) return ret; } + } } } else { for_each_dapm_widgets(list, i, widget) { if (!widget->dobj.private) continue; - snd_soc_dapm_widget_for_each_source_path(widget, p) + snd_soc_dapm_widget_for_each_source_path(widget, p) { + if (!widget_in_list(list, p->source)) + continue; + if (p->source->dobj.private) { ret = sof_route_setup(sdev, p->source, widget); if (ret < 0) return ret; } + } } } - return 0; -} - -int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir) -{ - struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list; - struct snd_soc_dapm_widget *widget; - int i, ret, num_widgets; + /* + * The above loop handles connections between widgets that belong to the DAPM widget list. + * This is not sufficient to handle loopback cases between pipelines configured with + * different directions, e.g. a sidetone or an amplifier feedback connected to a speaker + * protection module. + */ + list_for_each_entry(sroute, &sdev->route_list, list) { + bool src_widget_in_dapm_list, sink_widget_in_dapm_list; + struct snd_sof_widget *swidget; - /* nothing to set up */ - if (!list) - return 0; + if (sroute->setup) + continue; - /* set up widgets in the list */ - for_each_dapm_widgets(list, num_widgets, widget) { - struct snd_sof_widget *swidget = widget->dobj.private; - struct snd_sof_widget *pipe_widget; + src_widget_in_dapm_list = widget_in_list(list, sroute->src_widget->widget); + sink_widget_in_dapm_list = widget_in_list(list, sroute->sink_widget->widget); - if (!swidget) + /* + * if both source and sink are in the DAPM list, the route must already have been + * set up above. And if neither are in the DAPM list, the route shouldn't be + * handled now. + */ + if (src_widget_in_dapm_list == sink_widget_in_dapm_list) continue; /* - * The scheduler widget for a pipeline is not part of the connected DAPM - * widget list and it needs to be set up before the widgets in the pipeline - * are set up. The use_count for the scheduler widget is incremented for every - * widget in a given pipeline to ensure that it is freed only after the last - * widget in the pipeline is freed. + * At this point either the source widget or the sink widget is in the DAPM list + * with a route that might need to be set up. Check the use_count of the widget + * that is not in the DAPM list to confirm if it is in use currently before setting + * up the route. */ - pipe_widget = swidget->pipe_widget; - if (!pipe_widget) { - dev_err(sdev->dev, "error: no pipeline widget found for %s\n", - swidget->widget->name); - ret = -EINVAL; - goto widget_free; + if (src_widget_in_dapm_list) + swidget = sroute->sink_widget; + else + swidget = sroute->src_widget; + + mutex_lock(&swidget->setup_mutex); + if (!swidget->use_count) { + mutex_unlock(&swidget->setup_mutex); + continue; } - ret = sof_widget_setup(sdev, pipe_widget); - if (ret < 0) - goto widget_free; - - /* set up the widget */ - ret = sof_widget_setup(sdev, swidget); - if (ret < 0) { - sof_widget_free(sdev, pipe_widget); - goto widget_free; + if (tplg_ops && tplg_ops->route_setup) { + /* + * this route will get freed when either the source widget or the sink + * widget is freed during hw_free + */ + ret = tplg_ops->route_setup(sdev, sroute); + if (!ret) + sroute->setup = true; } - } - /* - * error in setting pipeline connections will result in route status being reset for - * routes that were successfully set up when the widgets are freed. - */ - ret = sof_setup_pipeline_connections(sdev, list, dir); - if (ret < 0) - goto widget_free; + mutex_unlock(&swidget->setup_mutex); - /* complete pipelines */ - for_each_dapm_widgets(list, i, widget) { - struct snd_sof_widget *swidget = widget->dobj.private; - struct snd_sof_widget *pipe_widget; + if (ret < 0) + return ret; + } - if (!swidget) - continue; + return 0; +} - pipe_widget = swidget->pipe_widget; - if (!pipe_widget) { - dev_err(sdev->dev, "error: no pipeline widget found for %s\n", - swidget->widget->name); - ret = -EINVAL; - goto widget_free; - } +static void +sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget, + struct snd_soc_dapm_widget_list *list) +{ + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); + struct snd_sof_widget *swidget = widget->dobj.private; + const struct sof_ipc_tplg_widget_ops *widget_ops; + struct snd_soc_dapm_path *p; - if (pipe_widget->complete) - continue; + if (is_virtual_widget(sdev, widget, __func__)) + return; - pipe_widget->complete = snd_sof_complete_pipeline(sdev, pipe_widget); - if (pipe_widget->complete < 0) { - ret = pipe_widget->complete; - goto widget_free; - } - } + /* skip if the widget is in use or if it is already unprepared */ + if (!swidget || !swidget->prepared || swidget->use_count > 0) + goto sink_unprepare; - return 0; + widget_ops = tplg_ops ? tplg_ops->widget : NULL; + if (widget_ops && widget_ops[widget->id].ipc_unprepare) + /* unprepare the source widget */ + widget_ops[widget->id].ipc_unprepare(swidget); -widget_free: - /* free all widgets that have been set up successfully */ - for_each_dapm_widgets(list, i, widget) { - struct snd_sof_widget *swidget = widget->dobj.private; + swidget->prepared = false; - if (!swidget) +sink_unprepare: + /* unprepare all widgets in the sink paths */ + snd_soc_dapm_widget_for_each_sink_path(widget, p) { + if (!widget_in_list(list, p->sink)) continue; - - if (!num_widgets--) - break; - - sof_widget_free(sdev, swidget); - sof_widget_free(sdev, swidget->pipe_widget); + if (!p->walking && p->sink->dobj.private) { + p->walking = true; + sof_unprepare_widgets_in_path(sdev, p->sink, list); + p->walking = false; + } } - - return ret; } -int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir) +static int +sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget, + struct snd_pcm_hw_params *fe_params, + struct snd_sof_platform_stream_params *platform_params, + struct snd_pcm_hw_params *pipeline_params, int dir, + struct snd_soc_dapm_widget_list *list) { - struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list; - struct snd_soc_dapm_widget *widget; - int i, ret; - int ret1 = 0; + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); + struct snd_sof_widget *swidget = widget->dobj.private; + const struct sof_ipc_tplg_widget_ops *widget_ops; + struct snd_soc_dapm_path *p; + int ret; - /* nothing to free */ - if (!list) + if (is_virtual_widget(sdev, widget, __func__)) return 0; - /* - * Free widgets in the list. This can fail but continue freeing other widgets to keep - * use_counts balanced. - */ - for_each_dapm_widgets(list, i, widget) { - struct snd_sof_widget *swidget = widget->dobj.private; - - if (!swidget) - continue; + widget_ops = tplg_ops ? tplg_ops->widget : NULL; + if (!widget_ops) + return 0; - /* - * free widget and its pipe_widget. Either of these can fail, but free as many as - * possible before freeing the list and returning the error. - */ - ret = sof_widget_free(sdev, swidget); - if (ret < 0) - ret1 = ret; + if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared) + goto sink_prepare; - ret = sof_widget_free(sdev, swidget->pipe_widget); - if (ret < 0) - ret1 = ret; + /* prepare the source widget */ + ret = widget_ops[widget->id].ipc_prepare(swidget, fe_params, platform_params, + pipeline_params, dir); + if (ret < 0) { + dev_err(sdev->dev, "failed to prepare widget %s\n", widget->name); + return ret; } - snd_soc_dapm_dai_free_widgets(&list); - spcm->stream[dir].list = NULL; + swidget->prepared = true; - return ret1; +sink_prepare: + /* prepare all widgets in the sink paths */ + snd_soc_dapm_widget_for_each_sink_path(widget, p) { + if (!widget_in_list(list, p->sink)) + continue; + if (!p->walking && p->sink->dobj.private) { + p->walking = true; + ret = sof_prepare_widgets_in_path(sdev, p->sink, fe_params, + platform_params, pipeline_params, dir, + list); + p->walking = false; + if (ret < 0) { + /* unprepare the source widget */ + if (widget_ops[widget->id].ipc_unprepare && + swidget && swidget->prepared && swidget->use_count == 0) { + widget_ops[widget->id].ipc_unprepare(swidget); + swidget->prepared = false; + } + return ret; + } + } + } + + return 0; } /* - * helper to determine if there are only D0i3 compatible - * streams active + * free all widgets in the sink path starting from the source widget + * (DAI type for capture, AIF type for playback) */ -bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev) +static int sof_free_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget, + int dir, struct snd_sof_pcm *spcm) { - struct snd_pcm_substream *substream; - struct snd_sof_pcm *spcm; - bool d0i3_compatible_active = false; - int dir; + struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list; + struct snd_soc_dapm_path *p; + int err; + int ret = 0; - list_for_each_entry(spcm, &sdev->pcm_list, list) { - for_each_pcm_streams(dir) { - substream = spcm->stream[dir].substream; - if (!substream || !substream->runtime) + if (is_virtual_widget(sdev, widget, __func__)) + return 0; + + if (widget->dobj.private) { + err = sof_widget_free(sdev, widget->dobj.private); + if (err < 0) + ret = err; + } + + /* free all widgets in the sink paths even in case of error to keep use counts balanced */ + snd_soc_dapm_widget_for_each_sink_path(widget, p) { + if (!p->walking) { + if (!widget_in_list(list, p->sink)) continue; - /* - * substream->runtime being not NULL indicates - * that the stream is open. No need to check the - * stream state. - */ - if (!spcm->stream[dir].d0i3_compatible) - return false; + p->walking = true; - d0i3_compatible_active = true; + err = sof_free_widgets_in_path(sdev, p->sink, dir, spcm); + if (err < 0) + ret = err; + p->walking = false; } } - return d0i3_compatible_active; + return ret; } -EXPORT_SYMBOL(snd_sof_dsp_only_d0i3_compatible_stream_active); -bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev) +/* + * set up all widgets in the sink path starting from the source widget + * (DAI type for capture, AIF type for playback). + * The error path in this function ensures that all successfully set up widgets getting freed. + */ +static int sof_set_up_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget, + int dir, struct snd_sof_pcm *spcm) { - struct snd_sof_pcm *spcm; + struct snd_sof_pcm_stream_pipeline_list *pipeline_list = &spcm->stream[dir].pipeline_list; + struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list; + struct snd_sof_widget *swidget = widget->dobj.private; + struct snd_sof_pipeline *spipe; + struct snd_soc_dapm_path *p; + int ret; - list_for_each_entry(spcm, &sdev->pcm_list, list) { - if (spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].suspend_ignored || - spcm->stream[SNDRV_PCM_STREAM_CAPTURE].suspend_ignored) - return true; - } + if (is_virtual_widget(sdev, widget, __func__)) + return 0; - return false; -} + if (swidget) { + int i; -int sof_set_hw_params_upon_resume(struct device *dev) -{ - struct snd_sof_dev *sdev = dev_get_drvdata(dev); - struct snd_pcm_substream *substream; - struct snd_sof_pcm *spcm; - snd_pcm_state_t state; - int dir; + ret = sof_widget_setup(sdev, widget->dobj.private); + if (ret < 0) + return ret; - /* - * SOF requires hw_params to be set-up internally upon resume. - * So, set the flag to indicate this for those streams that - * have been suspended. - */ - list_for_each_entry(spcm, &sdev->pcm_list, list) { - for_each_pcm_streams(dir) { - /* - * do not reset hw_params upon resume for streams that - * were kept running during suspend - */ - if (spcm->stream[dir].suspend_ignored) - continue; + /* skip populating the pipe_widgets array if it is NULL */ + if (!pipeline_list->pipelines) + goto sink_setup; - substream = spcm->stream[dir].substream; - if (!substream || !substream->runtime) - continue; + /* + * Add the widget's pipe_widget to the list of pipelines to be triggered if not + * already in the list. This will result in the pipelines getting added in the + * order source to sink. + */ + for (i = 0; i < pipeline_list->count; i++) { + spipe = pipeline_list->pipelines[i]; + if (spipe == swidget->spipe) + break; + } - state = substream->runtime->status->state; - if (state == SNDRV_PCM_STATE_SUSPENDED) - spcm->prepared[dir] = false; + if (i == pipeline_list->count) { + pipeline_list->count++; + pipeline_list->pipelines[i] = swidget->spipe; } } - /* set internal flag for BE */ - return snd_sof_dsp_hw_params_upon_resume(sdev); -} +sink_setup: + snd_soc_dapm_widget_for_each_sink_path(widget, p) { + if (!p->walking) { + if (!widget_in_list(list, p->sink)) + continue; -const struct sof_ipc_pipe_new *snd_sof_pipeline_find(struct snd_sof_dev *sdev, - int pipeline_id) -{ - const struct snd_sof_widget *swidget; - - list_for_each_entry(swidget, &sdev->widget_list, list) - if (swidget->id == snd_soc_dapm_scheduler) { - const struct sof_ipc_pipe_new *pipeline = - swidget->private; - if (pipeline->pipeline_id == pipeline_id) - return pipeline; + p->walking = true; + + ret = sof_set_up_widgets_in_path(sdev, p->sink, dir, spcm); + p->walking = false; + if (ret < 0) { + if (swidget) + sof_widget_free(sdev, swidget); + return ret; + } } + } - return NULL; + return 0; } -int sof_set_up_pipelines(struct snd_sof_dev *sdev, bool verify) +static int +sof_walk_widgets_in_order(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, + struct snd_pcm_hw_params *fe_params, + struct snd_sof_platform_stream_params *platform_params, int dir, + enum sof_widget_op op) { - struct sof_ipc_fw_version *v = &sdev->fw_ready.version; - struct snd_sof_widget *swidget; - struct snd_sof_route *sroute; - int ret; + struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list; + struct snd_soc_dapm_widget *widget; + char *str; + int ret = 0; + int i; - /* restore pipeline components */ - list_for_each_entry(swidget, &sdev->widget_list, list) { - /* only set up the widgets belonging to static pipelines */ - if (!verify && swidget->dynamic_pipeline_widget) + if (!list) + return 0; + + for_each_dapm_widgets(list, i, widget) { + if (is_virtual_widget(sdev, widget, __func__)) continue; - /* - * For older firmware, skip scheduler widgets in this loop, - * sof_widget_setup() will be called in the 'complete pipeline' loop - */ - if (v->abi_version < SOF_ABI_VER(3, 19, 0) && - swidget->id == snd_soc_dapm_scheduler) + /* starting widget for playback is AIF type */ + if (dir == SNDRV_PCM_STREAM_PLAYBACK && widget->id != snd_soc_dapm_aif_in) continue; - /* update DAI config. The IPC will be sent in sof_widget_setup() */ - if (WIDGET_IS_DAI(swidget->id)) { - struct snd_sof_dai *dai = swidget->private; - struct sof_ipc_dai_config *config; + /* starting widget for capture is DAI type */ + if (dir == SNDRV_PCM_STREAM_CAPTURE && widget->id != snd_soc_dapm_dai_out) + continue; - if (!dai || !dai->dai_config) - continue; + switch (op) { + case SOF_WIDGET_SETUP: + ret = sof_set_up_widgets_in_path(sdev, widget, dir, spcm); + str = "set up"; + break; + case SOF_WIDGET_FREE: + ret = sof_free_widgets_in_path(sdev, widget, dir, spcm); + str = "free"; + break; + case SOF_WIDGET_PREPARE: + { + struct snd_pcm_hw_params pipeline_params; - config = dai->dai_config; + str = "prepare"; /* - * The link DMA channel would be invalidated for running - * streams but not for streams that were in the PAUSED - * state during suspend. So invalidate it here before setting - * the dai config in the DSP. + * When walking the list of connected widgets, the pipeline_params for each + * widget is modified by the source widget in the path. Use a local + * copy of the runtime params as the pipeline_params so that the runtime + * params does not get overwritten. */ - if (config->type == SOF_DAI_INTEL_HDA) - config->hda.link_dma_ch = DMA_CHAN_INVALID; - } + memcpy(&pipeline_params, fe_params, sizeof(*fe_params)); - ret = sof_widget_setup(sdev, swidget); - if (ret < 0) + ret = sof_prepare_widgets_in_path(sdev, widget, fe_params, platform_params, + &pipeline_params, dir, list); + break; + } + case SOF_WIDGET_UNPREPARE: + sof_unprepare_widgets_in_path(sdev, widget, list); + break; + default: + dev_err(sdev->dev, "Invalid widget op %d\n", op); + return -EINVAL; + } + if (ret < 0) { + dev_err(sdev->dev, "Failed to %s connected widgets\n", str); return ret; + } } - /* restore pipeline connections */ - list_for_each_entry(sroute, &sdev->route_list, list) { + return 0; +} + +int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, + struct snd_pcm_hw_params *fe_params, + struct snd_sof_platform_stream_params *platform_params, + int dir) +{ + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); + struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list; + struct snd_soc_dapm_widget *widget; + int i, ret; - /* only set up routes belonging to static pipelines */ - if (!verify && (sroute->src_widget->dynamic_pipeline_widget || - sroute->sink_widget->dynamic_pipeline_widget)) + /* nothing to set up */ + if (!list) + return 0; + + /* + * Prepare widgets for set up. The prepare step is used to allocate memory, assign + * instance ID and pick the widget configuration based on the runtime PCM params. + */ + ret = sof_walk_widgets_in_order(sdev, spcm, fe_params, platform_params, + dir, SOF_WIDGET_PREPARE); + if (ret < 0) + return ret; + + /* Set up is used to send the IPC to the DSP to create the widget */ + ret = sof_walk_widgets_in_order(sdev, spcm, fe_params, platform_params, + dir, SOF_WIDGET_SETUP); + if (ret < 0) { + sof_walk_widgets_in_order(sdev, spcm, fe_params, platform_params, + dir, SOF_WIDGET_UNPREPARE); + return ret; + } + + /* + * error in setting pipeline connections will result in route status being reset for + * routes that were successfully set up when the widgets are freed. + */ + ret = sof_setup_pipeline_connections(sdev, list, dir); + if (ret < 0) + goto widget_free; + + /* complete pipelines */ + for_each_dapm_widgets(list, i, widget) { + struct snd_sof_widget *swidget = widget->dobj.private; + struct snd_sof_widget *pipe_widget; + struct snd_sof_pipeline *spipe; + + if (!swidget || sdev->dspless_mode_selected) continue; - ret = sof_route_setup_ipc(sdev, sroute); - if (ret < 0) { - dev_err(sdev->dev, "%s: restore pipeline connections failed\n", __func__); - return ret; + spipe = swidget->spipe; + if (!spipe) { + dev_err(sdev->dev, "no pipeline found for %s\n", + swidget->widget->name); + ret = -EINVAL; + goto widget_free; } - } - /* complete pipeline */ - list_for_each_entry(swidget, &sdev->widget_list, list) { - switch (swidget->id) { - case snd_soc_dapm_scheduler: - /* only complete static pipelines */ - if (!verify && swidget->dynamic_pipeline_widget) - continue; + pipe_widget = spipe->pipe_widget; + if (!pipe_widget) { + dev_err(sdev->dev, "error: no pipeline widget found for %s\n", + swidget->widget->name); + ret = -EINVAL; + goto widget_free; + } - if (v->abi_version < SOF_ABI_VER(3, 19, 0)) { - ret = sof_widget_setup(sdev, swidget); - if (ret < 0) - return ret; - } + if (spipe->complete) + continue; - swidget->complete = - snd_sof_complete_pipeline(sdev, swidget); - break; - default: - break; + if (tplg_ops && tplg_ops->pipeline_complete) { + spipe->complete = tplg_ops->pipeline_complete(sdev, pipe_widget); + if (spipe->complete < 0) { + ret = spipe->complete; + goto widget_free; + } } } return 0; + +widget_free: + sof_walk_widgets_in_order(sdev, spcm, fe_params, platform_params, dir, + SOF_WIDGET_FREE); + sof_walk_widgets_in_order(sdev, spcm, NULL, NULL, dir, SOF_WIDGET_UNPREPARE); + + return ret; } -int sof_pcm_stream_free(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, - struct snd_sof_pcm *spcm, int dir, bool free_widget_list) +int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir) { + struct snd_sof_pcm_stream_pipeline_list *pipeline_list = &spcm->stream[dir].pipeline_list; + struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list; int ret; - /* Send PCM_FREE IPC to reset pipeline */ - ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm); - if (ret < 0) - return ret; + /* nothing to free */ + if (!list) + return 0; - /* stop the DMA */ - ret = snd_sof_pcm_platform_hw_free(sdev, substream); - if (ret < 0) - return ret; + /* send IPC to free widget in the DSP */ + ret = sof_walk_widgets_in_order(sdev, spcm, NULL, NULL, dir, SOF_WIDGET_FREE); - /* free widget list */ - if (free_widget_list) { - ret = sof_widget_list_free(sdev, spcm, dir); - if (ret < 0) - dev_err(sdev->dev, "failed to free widgets during suspend\n"); - } + /* unprepare the widget */ + sof_walk_widgets_in_order(sdev, spcm, NULL, NULL, dir, SOF_WIDGET_UNPREPARE); + + snd_soc_dapm_dai_free_widgets(&list); + spcm->stream[dir].list = NULL; + + pipeline_list->count = 0; return ret; } /* - * Free the PCM, its associated widgets and set the prepared flag to false for all PCMs that - * did not get suspended(ex: paused streams) so the widgets can be set up again during resume. + * helper to determine if there are only D0i3 compatible + * streams active */ -static int sof_tear_down_left_over_pipelines(struct snd_sof_dev *sdev) +bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev) { - struct snd_sof_widget *swidget; + struct snd_pcm_substream *substream; struct snd_sof_pcm *spcm; - int dir, ret; + bool d0i3_compatible_active = false; + int dir; - /* - * free all PCMs and their associated DAPM widgets if their connected DAPM widget - * list is not NULL. This should only be true for paused streams at this point. - * This is equivalent to the handling of FE DAI suspend trigger for running streams. - */ - list_for_each_entry(spcm, &sdev->pcm_list, list) + list_for_each_entry(spcm, &sdev->pcm_list, list) { for_each_pcm_streams(dir) { - struct snd_pcm_substream *substream = spcm->stream[dir].substream; - + substream = spcm->stream[dir].substream; if (!substream || !substream->runtime) continue; - if (spcm->stream[dir].list) { - ret = sof_pcm_stream_free(sdev, substream, spcm, dir, true); - if (ret < 0) - return ret; - } - } + /* + * substream->runtime being not NULL indicates + * that the stream is open. No need to check the + * stream state. + */ + if (!spcm->stream[dir].d0i3_compatible) + return false; - /* - * free any left over DAI widgets. This is equivalent to the handling of suspend trigger - * for the BE DAI for running streams. - */ - list_for_each_entry(swidget, &sdev->widget_list, list) - if (WIDGET_IS_DAI(swidget->id) && swidget->use_count == 1) { - ret = sof_widget_free(sdev, swidget); - if (ret < 0) - return ret; + d0i3_compatible_active = true; } + } - return 0; + return d0i3_compatible_active; } +EXPORT_SYMBOL(snd_sof_dsp_only_d0i3_compatible_stream_active); -/* - * For older firmware, this function doesn't free widgets for static pipelines during suspend. - * It only resets use_count for all widgets. - */ -int sof_tear_down_pipelines(struct snd_sof_dev *sdev, bool verify) +bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev) { - struct sof_ipc_fw_version *v = &sdev->fw_ready.version; - struct snd_sof_widget *swidget; - struct snd_sof_route *sroute; - int ret; - - /* - * This function is called during suspend and for one-time topology verification during - * first boot. In both cases, there is no need to protect swidget->use_count and - * sroute->setup because during suspend all running streams are suspended and during - * topology loading the sound card unavailable to open PCMs. - */ - list_for_each_entry(swidget, &sdev->widget_list, list) { - if (swidget->dynamic_pipeline_widget) - continue; - - /* Do not free widgets for static pipelines with FW ABI older than 3.19 */ - if (!verify && !swidget->dynamic_pipeline_widget && - v->abi_version < SOF_ABI_VER(3, 19, 0)) { - swidget->use_count = 0; - swidget->complete = 0; - continue; - } - - ret = sof_widget_free(sdev, swidget); - if (ret < 0) - return ret; - } + struct snd_sof_pcm *spcm; - /* - * Tear down all pipelines associated with PCMs that did not get suspended - * and unset the prepare flag so that they can be set up again during resume. - * Skip this step for older firmware. - */ - if (!verify && v->abi_version >= SOF_ABI_VER(3, 19, 0)) { - ret = sof_tear_down_left_over_pipelines(sdev); - if (ret < 0) { - dev_err(sdev->dev, "failed to tear down paused pipelines\n"); - return ret; - } + list_for_each_entry(spcm, &sdev->pcm_list, list) { + if (spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].suspend_ignored || + spcm->stream[SNDRV_PCM_STREAM_CAPTURE].suspend_ignored) + return true; } - list_for_each_entry(sroute, &sdev->route_list, list) - sroute->setup = false; - - return 0; + return false; } /* @@ -895,20 +878,6 @@ struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp, return NULL; } -struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp, - unsigned int pcm_id) -{ - struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); - struct snd_sof_pcm *spcm; - - list_for_each_entry(spcm, &sdev->pcm_list, list) { - if (le32_to_cpu(spcm->pcm.pcm_id) == pcm_id) - return spcm; - } - - return NULL; -} - struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp, const char *name) { @@ -960,39 +929,23 @@ struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp, return NULL; } -#define SOF_DAI_CLK_INTEL_SSP_MCLK 0 -#define SOF_DAI_CLK_INTEL_SSP_BCLK 1 - -static int sof_dai_get_clk(struct snd_soc_pcm_runtime *rtd, int clk_type) +static int sof_dai_get_param(struct snd_soc_pcm_runtime *rtd, int param_type) { struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME); 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); + const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg); /* use the tplg configured mclk if existed */ - if (!dai || !dai->dai_config) + if (!dai) return 0; - switch (dai->dai_config->type) { - case SOF_DAI_INTEL_SSP: - switch (clk_type) { - case SOF_DAI_CLK_INTEL_SSP_MCLK: - return dai->dai_config->ssp.mclk_rate; - case SOF_DAI_CLK_INTEL_SSP_BCLK: - return dai->dai_config->ssp.bclk_rate; - default: - dev_err(rtd->dev, "fail to get SSP clk %d rate\n", - clk_type); - return -EINVAL; - } - break; - default: - /* not yet implemented for platforms other than the above */ - dev_err(rtd->dev, "DAI type %d not supported yet!\n", - dai->dai_config->type); - return -EINVAL; - } + if (tplg_ops && tplg_ops->dai_get_param) + return tplg_ops->dai_get_param(sdev, dai, param_type); + + return 0; } /* @@ -1001,7 +954,7 @@ static int sof_dai_get_clk(struct snd_soc_pcm_runtime *rtd, int clk_type) */ int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd) { - return sof_dai_get_clk(rtd, SOF_DAI_CLK_INTEL_SSP_MCLK); + return sof_dai_get_param(rtd, SOF_DAI_PARAM_INTEL_SSP_MCLK); } EXPORT_SYMBOL(sof_dai_get_mclk); @@ -1011,83 +964,16 @@ EXPORT_SYMBOL(sof_dai_get_mclk); */ int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd) { - return sof_dai_get_clk(rtd, SOF_DAI_CLK_INTEL_SSP_BCLK); + return sof_dai_get_param(rtd, SOF_DAI_PARAM_INTEL_SSP_BCLK); } EXPORT_SYMBOL(sof_dai_get_bclk); /* - * SOF Driver enumeration. + * Helper to get SSP TDM slot number from a pcm_runtime. + * Return 0 if not exist. */ -int sof_machine_check(struct snd_sof_dev *sdev) -{ - struct snd_sof_pdata *sof_pdata = sdev->pdata; - const struct sof_dev_desc *desc = sof_pdata->desc; - struct snd_soc_acpi_mach *mach; - - if (!IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)) { - - /* find machine */ - mach = snd_sof_machine_select(sdev); - if (mach) { - sof_pdata->machine = mach; - snd_sof_set_mach_params(mach, sdev); - return 0; - } - - if (!IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)) { - dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n"); - return -ENODEV; - } - } else { - dev_warn(sdev->dev, "Force to use nocodec mode\n"); - } - - /* select nocodec mode */ - dev_warn(sdev->dev, "Using nocodec machine driver\n"); - mach = devm_kzalloc(sdev->dev, sizeof(*mach), GFP_KERNEL); - if (!mach) - return -ENOMEM; - - mach->drv_name = "sof-nocodec"; - sof_pdata->tplg_filename = desc->nocodec_tplg_filename; - - sof_pdata->machine = mach; - snd_sof_set_mach_params(mach, sdev); - - return 0; -} -EXPORT_SYMBOL(sof_machine_check); - -int sof_machine_register(struct snd_sof_dev *sdev, void *pdata) +int sof_dai_get_tdm_slots(struct snd_soc_pcm_runtime *rtd) { - struct snd_sof_pdata *plat_data = pdata; - const char *drv_name; - const void *mach; - int size; - - drv_name = plat_data->machine->drv_name; - mach = plat_data->machine; - size = sizeof(*plat_data->machine); - - /* register machine driver, pass machine info as pdata */ - plat_data->pdev_mach = - platform_device_register_data(sdev->dev, drv_name, - PLATFORM_DEVID_NONE, mach, size); - if (IS_ERR(plat_data->pdev_mach)) - return PTR_ERR(plat_data->pdev_mach); - - dev_dbg(sdev->dev, "created machine %s\n", - dev_name(&plat_data->pdev_mach->dev)); - - return 0; -} -EXPORT_SYMBOL(sof_machine_register); - -void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata) -{ - struct snd_sof_pdata *plat_data = pdata; - - if (!IS_ERR_OR_NULL(plat_data->pdev_mach)) - platform_device_unregister(plat_data->pdev_mach); + return sof_dai_get_param(rtd, SOF_DAI_PARAM_INTEL_SSP_TDM_SLOTS); } -EXPORT_SYMBOL(sof_machine_unregister); +EXPORT_SYMBOL(sof_dai_get_tdm_slots); |
