910 lines
24 KiB
C
910 lines
24 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2019 Intel Corporation. All rights reserved.
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//
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// Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
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//
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#include <linux/bitfield.h>
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#include <trace/events/sof.h>
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#include "sof-audio.h"
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#include "sof-of-dev.h"
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#include "ops.h"
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static void sof_reset_route_setup_status(struct snd_sof_dev *sdev, struct snd_sof_widget *widget)
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{
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const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
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struct snd_sof_route *sroute;
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list_for_each_entry(sroute, &sdev->route_list, list)
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if (sroute->src_widget == widget || sroute->sink_widget == widget) {
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if (sroute->setup && tplg_ops->route_free)
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tplg_ops->route_free(sdev, sroute);
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sroute->setup = false;
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}
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}
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int sof_widget_free(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
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{
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const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
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int err = 0;
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int ret;
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if (!swidget->private)
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return 0;
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trace_sof_widget_free(swidget);
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/* only free when use_count is 0 */
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if (--swidget->use_count)
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return 0;
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/* reset route setup status for all routes that contain this widget */
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sof_reset_route_setup_status(sdev, swidget);
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/* continue to disable core even if IPC fails */
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if (tplg_ops->widget_free)
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err = tplg_ops->widget_free(sdev, swidget);
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/*
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* disable widget core. continue to route setup status and complete flag
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* even if this fails and return the appropriate error
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*/
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ret = snd_sof_dsp_core_put(sdev, swidget->core);
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if (ret < 0) {
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dev_err(sdev->dev, "error: failed to disable target core: %d for widget %s\n",
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swidget->core, swidget->widget->name);
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if (!err)
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err = ret;
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}
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/*
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* free the scheduler widget (same as pipe_widget) associated with the current swidget.
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* skip for static pipelines
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*/
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if (swidget->dynamic_pipeline_widget && swidget->id != snd_soc_dapm_scheduler) {
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ret = sof_widget_free(sdev, swidget->pipe_widget);
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if (ret < 0 && !err)
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err = ret;
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swidget->pipe_widget->complete = 0;
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}
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if (!err)
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dev_dbg(sdev->dev, "widget %s freed\n", swidget->widget->name);
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return err;
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}
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EXPORT_SYMBOL(sof_widget_free);
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int sof_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
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{
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const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
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int ret;
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/* skip if there is no private data */
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if (!swidget->private)
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return 0;
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trace_sof_widget_setup(swidget);
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/* widget already set up */
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if (++swidget->use_count > 1)
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return 0;
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/*
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* The scheduler widget for a pipeline is not part of the connected DAPM
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* widget list and it needs to be set up before the widgets in the pipeline
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* are set up. The use_count for the scheduler widget is incremented for every
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* widget in a given pipeline to ensure that it is freed only after the last
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* widget in the pipeline is freed. Skip setting up scheduler widget for static pipelines.
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*/
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if (swidget->dynamic_pipeline_widget && swidget->id != snd_soc_dapm_scheduler) {
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if (!swidget->pipe_widget) {
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dev_err(sdev->dev, "No scheduler widget set for %s\n",
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swidget->widget->name);
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ret = -EINVAL;
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goto use_count_dec;
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}
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ret = sof_widget_setup(sdev, swidget->pipe_widget);
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if (ret < 0)
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goto use_count_dec;
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}
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/* enable widget core */
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ret = snd_sof_dsp_core_get(sdev, swidget->core);
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if (ret < 0) {
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dev_err(sdev->dev, "error: failed to enable target core for widget %s\n",
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swidget->widget->name);
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goto pipe_widget_free;
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}
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/* setup widget in the DSP */
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if (tplg_ops->widget_setup) {
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ret = tplg_ops->widget_setup(sdev, swidget);
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if (ret < 0)
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goto core_put;
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}
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/* send config for DAI components */
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if (WIDGET_IS_DAI(swidget->id)) {
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unsigned int flags = SOF_DAI_CONFIG_FLAGS_NONE;
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if (tplg_ops->dai_config) {
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ret = tplg_ops->dai_config(sdev, swidget, flags, NULL);
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if (ret < 0)
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goto widget_free;
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}
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}
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/* restore kcontrols for widget */
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if (tplg_ops->control->widget_kcontrol_setup) {
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ret = tplg_ops->control->widget_kcontrol_setup(sdev, swidget);
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if (ret < 0)
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goto widget_free;
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}
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dev_dbg(sdev->dev, "widget %s setup complete\n", swidget->widget->name);
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return 0;
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widget_free:
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/* widget use_count and core ref_count will both be decremented by sof_widget_free() */
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sof_widget_free(sdev, swidget);
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core_put:
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snd_sof_dsp_core_put(sdev, swidget->core);
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pipe_widget_free:
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if (swidget->id != snd_soc_dapm_scheduler)
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sof_widget_free(sdev, swidget->pipe_widget);
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use_count_dec:
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swidget->use_count--;
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return ret;
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}
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EXPORT_SYMBOL(sof_widget_setup);
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int sof_route_setup(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *wsource,
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struct snd_soc_dapm_widget *wsink)
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{
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const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
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struct snd_sof_widget *src_widget = wsource->dobj.private;
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struct snd_sof_widget *sink_widget = wsink->dobj.private;
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struct snd_sof_route *sroute;
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bool route_found = false;
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int ret;
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/* ignore routes involving virtual widgets in topology */
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switch (src_widget->id) {
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case snd_soc_dapm_out_drv:
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case snd_soc_dapm_output:
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case snd_soc_dapm_input:
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return 0;
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default:
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break;
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}
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switch (sink_widget->id) {
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case snd_soc_dapm_out_drv:
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case snd_soc_dapm_output:
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case snd_soc_dapm_input:
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return 0;
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default:
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break;
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}
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/* find route matching source and sink widgets */
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list_for_each_entry(sroute, &sdev->route_list, list)
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if (sroute->src_widget == src_widget && sroute->sink_widget == sink_widget) {
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route_found = true;
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break;
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}
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if (!route_found) {
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dev_err(sdev->dev, "error: cannot find SOF route for source %s -> %s sink\n",
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wsource->name, wsink->name);
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return -EINVAL;
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}
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/* nothing to do if route is already set up */
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if (sroute->setup)
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return 0;
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ret = ipc_tplg_ops->route_setup(sdev, sroute);
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if (ret < 0)
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return ret;
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sroute->setup = true;
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return 0;
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}
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static int sof_setup_pipeline_connections(struct snd_sof_dev *sdev,
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struct snd_soc_dapm_widget_list *list, int dir)
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{
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struct snd_soc_dapm_widget *widget;
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struct snd_soc_dapm_path *p;
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int ret;
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int i;
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/*
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* Set up connections between widgets in the sink/source paths based on direction.
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* Some non-SOF widgets exist in topology either for compatibility or for the
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* purpose of connecting a pipeline from a host to a DAI in order to receive the DAPM
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* events. But they are not handled by the firmware. So ignore them.
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*/
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if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
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for_each_dapm_widgets(list, i, widget) {
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if (!widget->dobj.private)
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continue;
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snd_soc_dapm_widget_for_each_sink_path(widget, p)
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if (p->sink->dobj.private) {
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ret = sof_route_setup(sdev, widget, p->sink);
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if (ret < 0)
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return ret;
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}
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}
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} else {
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for_each_dapm_widgets(list, i, widget) {
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if (!widget->dobj.private)
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continue;
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snd_soc_dapm_widget_for_each_source_path(widget, p)
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if (p->source->dobj.private) {
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ret = sof_route_setup(sdev, p->source, widget);
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if (ret < 0)
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return ret;
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}
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}
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}
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return 0;
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}
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static void
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sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget)
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{
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const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
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const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
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struct snd_sof_widget *swidget = widget->dobj.private;
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struct snd_soc_dapm_path *p;
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/* skip if the widget is in use or if it is already unprepared */
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if (!swidget || !swidget->prepared || swidget->use_count > 0)
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goto sink_unprepare;
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if (widget_ops[widget->id].ipc_unprepare)
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/* unprepare the source widget */
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widget_ops[widget->id].ipc_unprepare(swidget);
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swidget->prepared = false;
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sink_unprepare:
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/* unprepare all widgets in the sink paths */
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snd_soc_dapm_widget_for_each_sink_path(widget, p) {
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if (!p->walking && p->sink->dobj.private) {
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p->walking = true;
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sof_unprepare_widgets_in_path(sdev, p->sink);
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p->walking = false;
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}
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}
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}
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static int
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sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,
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struct snd_pcm_hw_params *fe_params,
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struct snd_sof_platform_stream_params *platform_params,
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struct snd_pcm_hw_params *pipeline_params, int dir)
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{
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const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
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const struct sof_ipc_tplg_widget_ops *widget_ops = ipc_tplg_ops->widget;
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struct snd_sof_widget *swidget = widget->dobj.private;
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struct snd_soc_dapm_path *p;
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int ret;
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if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared)
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goto sink_prepare;
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/* prepare the source widget */
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ret = widget_ops[widget->id].ipc_prepare(swidget, fe_params, platform_params,
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pipeline_params, dir);
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if (ret < 0) {
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dev_err(sdev->dev, "failed to prepare widget %s\n", widget->name);
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return ret;
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}
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swidget->prepared = true;
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sink_prepare:
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/* prepare all widgets in the sink paths */
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snd_soc_dapm_widget_for_each_sink_path(widget, p) {
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if (!p->walking && p->sink->dobj.private) {
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p->walking = true;
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ret = sof_prepare_widgets_in_path(sdev, p->sink, fe_params,
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platform_params, pipeline_params, dir);
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p->walking = false;
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if (ret < 0) {
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/* unprepare the source widget */
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if (widget_ops[widget->id].ipc_unprepare &&
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swidget && swidget->prepared) {
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widget_ops[widget->id].ipc_unprepare(swidget);
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swidget->prepared = false;
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}
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return ret;
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}
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}
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}
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return 0;
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}
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/*
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* free all widgets in the sink path starting from the source widget
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* (DAI type for capture, AIF type for playback)
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*/
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static int sof_free_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,
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int dir)
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{
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struct snd_soc_dapm_path *p;
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int err;
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int ret = 0;
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/* free all widgets even in case of error to keep use counts balanced */
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snd_soc_dapm_widget_for_each_sink_path(widget, p) {
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if (!p->walking && p->sink->dobj.private && widget->dobj.private) {
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p->walking = true;
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if (WIDGET_IS_AIF_OR_DAI(widget->id)) {
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err = sof_widget_free(sdev, widget->dobj.private);
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if (err < 0)
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ret = err;
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}
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err = sof_widget_free(sdev, p->sink->dobj.private);
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if (err < 0)
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ret = err;
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err = sof_free_widgets_in_path(sdev, p->sink, dir);
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if (err < 0)
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ret = err;
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p->walking = false;
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}
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}
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return ret;
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}
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/*
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* set up all widgets in the sink path starting from the source widget
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* (DAI type for capture, AIF type for playback).
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* The error path in this function ensures that all successfully set up widgets getting freed.
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*/
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static int sof_set_up_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,
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int dir)
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{
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struct snd_soc_dapm_path *p;
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int ret;
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snd_soc_dapm_widget_for_each_sink_path(widget, p) {
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if (!p->walking && p->sink->dobj.private && widget->dobj.private) {
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p->walking = true;
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if (WIDGET_IS_AIF_OR_DAI(widget->id)) {
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ret = sof_widget_setup(sdev, widget->dobj.private);
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if (ret < 0)
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goto out;
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}
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ret = sof_widget_setup(sdev, p->sink->dobj.private);
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if (ret < 0) {
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if (WIDGET_IS_AIF_OR_DAI(widget->id))
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sof_widget_free(sdev, widget->dobj.private);
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goto out;
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}
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ret = sof_set_up_widgets_in_path(sdev, p->sink, dir);
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if (ret < 0) {
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if (WIDGET_IS_AIF_OR_DAI(widget->id))
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sof_widget_free(sdev, widget->dobj.private);
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sof_widget_free(sdev, p->sink->dobj.private);
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}
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out:
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p->walking = false;
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if (ret < 0)
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return ret;
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}
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}
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return 0;
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}
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static int
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sof_walk_widgets_in_order(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget_list *list,
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struct snd_pcm_hw_params *fe_params,
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struct snd_sof_platform_stream_params *platform_params, int dir,
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enum sof_widget_op op)
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{
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struct snd_soc_dapm_widget *widget;
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char *str;
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int ret = 0;
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int i;
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for_each_dapm_widgets(list, i, widget) {
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/* starting widget for playback is AIF type */
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if (dir == SNDRV_PCM_STREAM_PLAYBACK && widget->id != snd_soc_dapm_aif_in)
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continue;
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/* starting widget for capture is DAI type */
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if (dir == SNDRV_PCM_STREAM_CAPTURE && widget->id != snd_soc_dapm_dai_out)
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continue;
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switch (op) {
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case SOF_WIDGET_SETUP:
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ret = sof_set_up_widgets_in_path(sdev, widget, dir);
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str = "set up";
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break;
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case SOF_WIDGET_FREE:
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ret = sof_free_widgets_in_path(sdev, widget, dir);
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str = "free";
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break;
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case SOF_WIDGET_PREPARE:
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{
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struct snd_pcm_hw_params pipeline_params;
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str = "prepare";
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/*
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* When walking the list of connected widgets, the pipeline_params for each
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* widget is modified by the source widget in the path. Use a local
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* copy of the runtime params as the pipeline_params so that the runtime
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* params does not get overwritten.
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*/
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memcpy(&pipeline_params, fe_params, sizeof(*fe_params));
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ret = sof_prepare_widgets_in_path(sdev, widget, fe_params,
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platform_params, &pipeline_params, dir);
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break;
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}
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case SOF_WIDGET_UNPREPARE:
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sof_unprepare_widgets_in_path(sdev, widget);
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break;
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default:
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dev_err(sdev->dev, "Invalid widget op %d\n", op);
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return -EINVAL;
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}
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if (ret < 0) {
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dev_err(sdev->dev, "Failed to %s connected widgets\n", str);
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return ret;
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}
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}
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return 0;
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}
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int sof_widget_list_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm,
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struct snd_pcm_hw_params *fe_params,
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struct snd_sof_platform_stream_params *platform_params,
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int dir)
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{
|
|
const struct sof_ipc_tplg_ops *ipc_tplg_ops = sdev->ipc->ops->tplg;
|
|
struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list;
|
|
struct snd_soc_dapm_widget *widget;
|
|
int i, ret;
|
|
|
|
/* 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, list, 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, list, fe_params, platform_params,
|
|
dir, SOF_WIDGET_SETUP);
|
|
if (ret < 0) {
|
|
ret = sof_walk_widgets_in_order(sdev, list, 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;
|
|
|
|
if (!swidget)
|
|
continue;
|
|
|
|
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 (pipe_widget->complete)
|
|
continue;
|
|
|
|
if (ipc_tplg_ops->pipeline_complete) {
|
|
pipe_widget->complete = ipc_tplg_ops->pipeline_complete(sdev, pipe_widget);
|
|
if (pipe_widget->complete < 0) {
|
|
ret = pipe_widget->complete;
|
|
goto widget_free;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
|
|
widget_free:
|
|
sof_walk_widgets_in_order(sdev, list, fe_params, platform_params, dir,
|
|
SOF_WIDGET_FREE);
|
|
sof_walk_widgets_in_order(sdev, list, NULL, NULL, dir, SOF_WIDGET_UNPREPARE);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int sof_widget_list_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm, int dir)
|
|
{
|
|
struct snd_soc_dapm_widget_list *list = spcm->stream[dir].list;
|
|
int ret;
|
|
|
|
/* nothing to free */
|
|
if (!list)
|
|
return 0;
|
|
|
|
/* send IPC to free widget in the DSP */
|
|
ret = sof_walk_widgets_in_order(sdev, list, NULL, NULL, dir, SOF_WIDGET_FREE);
|
|
|
|
/* unprepare the widget */
|
|
sof_walk_widgets_in_order(sdev, list, NULL, NULL, dir, SOF_WIDGET_UNPREPARE);
|
|
|
|
snd_soc_dapm_dai_free_widgets(&list);
|
|
spcm->stream[dir].list = NULL;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* helper to determine if there are only D0i3 compatible
|
|
* streams active
|
|
*/
|
|
bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev)
|
|
{
|
|
struct snd_pcm_substream *substream;
|
|
struct snd_sof_pcm *spcm;
|
|
bool d0i3_compatible_active = false;
|
|
int dir;
|
|
|
|
list_for_each_entry(spcm, &sdev->pcm_list, list) {
|
|
for_each_pcm_streams(dir) {
|
|
substream = spcm->stream[dir].substream;
|
|
if (!substream || !substream->runtime)
|
|
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;
|
|
|
|
d0i3_compatible_active = true;
|
|
}
|
|
}
|
|
|
|
return d0i3_compatible_active;
|
|
}
|
|
EXPORT_SYMBOL(snd_sof_dsp_only_d0i3_compatible_stream_active);
|
|
|
|
bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev)
|
|
{
|
|
struct snd_sof_pcm *spcm;
|
|
|
|
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;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
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)
|
|
{
|
|
const struct sof_ipc_pcm_ops *pcm_ops = sdev->ipc->ops->pcm;
|
|
int ret;
|
|
|
|
/* Send PCM_FREE IPC to reset pipeline */
|
|
if (pcm_ops->hw_free && spcm->prepared[substream->stream]) {
|
|
ret = pcm_ops->hw_free(sdev->component, substream);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
spcm->prepared[substream->stream] = false;
|
|
|
|
/* stop the DMA */
|
|
ret = snd_sof_pcm_platform_hw_free(sdev, substream);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* 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");
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Generic object lookup APIs.
|
|
*/
|
|
|
|
struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
|
|
const char *name)
|
|
{
|
|
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) {
|
|
/* match with PCM dai name */
|
|
if (strcmp(spcm->pcm.dai_name, name) == 0)
|
|
return spcm;
|
|
|
|
/* match with playback caps name if set */
|
|
if (*spcm->pcm.caps[0].name &&
|
|
!strcmp(spcm->pcm.caps[0].name, name))
|
|
return spcm;
|
|
|
|
/* match with capture caps name if set */
|
|
if (*spcm->pcm.caps[1].name &&
|
|
!strcmp(spcm->pcm.caps[1].name, name))
|
|
return spcm;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
|
|
unsigned int comp_id,
|
|
int *direction)
|
|
{
|
|
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
|
|
struct snd_sof_pcm *spcm;
|
|
int dir;
|
|
|
|
list_for_each_entry(spcm, &sdev->pcm_list, list) {
|
|
for_each_pcm_streams(dir) {
|
|
if (spcm->stream[dir].comp_id == comp_id) {
|
|
*direction = dir;
|
|
return spcm;
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
|
|
const char *name)
|
|
{
|
|
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
|
|
struct snd_sof_widget *swidget;
|
|
|
|
list_for_each_entry(swidget, &sdev->widget_list, list) {
|
|
if (strcmp(name, swidget->widget->name) == 0)
|
|
return swidget;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* find widget by stream name and direction */
|
|
struct snd_sof_widget *
|
|
snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
|
|
const char *pcm_name, int dir)
|
|
{
|
|
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
|
|
struct snd_sof_widget *swidget;
|
|
enum snd_soc_dapm_type type;
|
|
|
|
if (dir == SNDRV_PCM_STREAM_PLAYBACK)
|
|
type = snd_soc_dapm_aif_in;
|
|
else
|
|
type = snd_soc_dapm_aif_out;
|
|
|
|
list_for_each_entry(swidget, &sdev->widget_list, list) {
|
|
if (!strcmp(pcm_name, swidget->widget->sname) &&
|
|
swidget->id == type)
|
|
return swidget;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
|
|
const char *name)
|
|
{
|
|
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
|
|
struct snd_sof_dai *dai;
|
|
|
|
list_for_each_entry(dai, &sdev->dai_list, list) {
|
|
if (dai->name && (strcmp(name, dai->name) == 0))
|
|
return dai;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int sof_dai_get_clk(struct snd_soc_pcm_runtime *rtd, int clk_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 = sdev->ipc->ops->tplg;
|
|
|
|
/* use the tplg configured mclk if existed */
|
|
if (!dai)
|
|
return 0;
|
|
|
|
if (tplg_ops->dai_get_clk)
|
|
return tplg_ops->dai_get_clk(sdev, dai, clk_type);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Helper to get SSP MCLK from a pcm_runtime.
|
|
* Return 0 if not exist.
|
|
*/
|
|
int sof_dai_get_mclk(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
return sof_dai_get_clk(rtd, SOF_DAI_CLK_INTEL_SSP_MCLK);
|
|
}
|
|
EXPORT_SYMBOL(sof_dai_get_mclk);
|
|
|
|
/*
|
|
* Helper to get SSP BCLK from a pcm_runtime.
|
|
* Return 0 if not exist.
|
|
*/
|
|
int sof_dai_get_bclk(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
return sof_dai_get_clk(rtd, SOF_DAI_CLK_INTEL_SSP_BCLK);
|
|
}
|
|
EXPORT_SYMBOL(sof_dai_get_bclk);
|
|
|
|
static struct snd_sof_of_mach *sof_of_machine_select(struct snd_sof_dev *sdev)
|
|
{
|
|
struct snd_sof_pdata *sof_pdata = sdev->pdata;
|
|
const struct sof_dev_desc *desc = sof_pdata->desc;
|
|
struct snd_sof_of_mach *mach = desc->of_machines;
|
|
|
|
if (!mach)
|
|
return NULL;
|
|
|
|
for (; mach->compatible; mach++) {
|
|
if (of_machine_is_compatible(mach->compatible)) {
|
|
sof_pdata->tplg_filename = mach->sof_tplg_filename;
|
|
if (mach->fw_filename)
|
|
sof_pdata->fw_filename = mach->fw_filename;
|
|
|
|
return mach;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* SOF Driver enumeration.
|
|
*/
|
|
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)) {
|
|
const struct snd_sof_of_mach *of_mach;
|
|
|
|
/* find machine */
|
|
mach = snd_sof_machine_select(sdev);
|
|
if (mach) {
|
|
sof_pdata->machine = mach;
|
|
|
|
if (sof_pdata->subsystem_id_set) {
|
|
mach->mach_params.subsystem_vendor = sof_pdata->subsystem_vendor;
|
|
mach->mach_params.subsystem_device = sof_pdata->subsystem_device;
|
|
mach->mach_params.subsystem_id_set = true;
|
|
}
|
|
|
|
snd_sof_set_mach_params(mach, sdev);
|
|
return 0;
|
|
}
|
|
|
|
of_mach = sof_of_machine_select(sdev);
|
|
if (of_mach) {
|
|
sof_pdata->of_machine = of_mach;
|
|
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";
|
|
if (!sof_pdata->tplg_filename)
|
|
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)
|
|
{
|
|
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);
|
|
}
|
|
EXPORT_SYMBOL(sof_machine_unregister);
|