519 lines
12 KiB
C
519 lines
12 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 "sof-audio.h"
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#include "ops.h"
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/*
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* helper to determine if there are only D0i3 compatible
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* streams active
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*/
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bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev)
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{
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struct snd_pcm_substream *substream;
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struct snd_sof_pcm *spcm;
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bool d0i3_compatible_active = false;
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int dir;
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list_for_each_entry(spcm, &sdev->pcm_list, list) {
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for_each_pcm_streams(dir) {
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substream = spcm->stream[dir].substream;
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if (!substream || !substream->runtime)
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continue;
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/*
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* substream->runtime being not NULL indicates
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* that the stream is open. No need to check the
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* stream state.
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*/
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if (!spcm->stream[dir].d0i3_compatible)
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return false;
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d0i3_compatible_active = true;
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}
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}
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return d0i3_compatible_active;
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}
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EXPORT_SYMBOL(snd_sof_dsp_only_d0i3_compatible_stream_active);
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bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev)
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{
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struct snd_sof_pcm *spcm;
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list_for_each_entry(spcm, &sdev->pcm_list, list) {
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if (spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].suspend_ignored ||
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spcm->stream[SNDRV_PCM_STREAM_CAPTURE].suspend_ignored)
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return true;
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}
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return false;
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}
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int sof_set_hw_params_upon_resume(struct device *dev)
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{
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struct snd_sof_dev *sdev = dev_get_drvdata(dev);
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struct snd_pcm_substream *substream;
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struct snd_sof_pcm *spcm;
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snd_pcm_state_t state;
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int dir;
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/*
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* SOF requires hw_params to be set-up internally upon resume.
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* So, set the flag to indicate this for those streams that
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* have been suspended.
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*/
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list_for_each_entry(spcm, &sdev->pcm_list, list) {
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for_each_pcm_streams(dir) {
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/*
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* do not reset hw_params upon resume for streams that
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* were kept running during suspend
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*/
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if (spcm->stream[dir].suspend_ignored)
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continue;
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substream = spcm->stream[dir].substream;
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if (!substream || !substream->runtime)
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continue;
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state = substream->runtime->status->state;
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if (state == SNDRV_PCM_STATE_SUSPENDED)
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spcm->prepared[dir] = false;
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}
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}
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/* set internal flag for BE */
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return snd_sof_dsp_hw_params_upon_resume(sdev);
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}
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static int sof_restore_kcontrols(struct device *dev)
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{
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struct snd_sof_dev *sdev = dev_get_drvdata(dev);
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struct snd_sof_control *scontrol;
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int ipc_cmd, ctrl_type;
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int ret = 0;
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/* restore kcontrol values */
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list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
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/* reset readback offset for scontrol after resuming */
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scontrol->readback_offset = 0;
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/* notify DSP of kcontrol values */
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switch (scontrol->cmd) {
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case SOF_CTRL_CMD_VOLUME:
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case SOF_CTRL_CMD_ENUM:
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case SOF_CTRL_CMD_SWITCH:
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ipc_cmd = SOF_IPC_COMP_SET_VALUE;
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ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
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ret = snd_sof_ipc_set_get_comp_data(scontrol,
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ipc_cmd, ctrl_type,
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scontrol->cmd,
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true);
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break;
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case SOF_CTRL_CMD_BINARY:
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ipc_cmd = SOF_IPC_COMP_SET_DATA;
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ctrl_type = SOF_CTRL_TYPE_DATA_SET;
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ret = snd_sof_ipc_set_get_comp_data(scontrol,
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ipc_cmd, ctrl_type,
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scontrol->cmd,
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true);
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break;
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default:
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break;
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}
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if (ret < 0) {
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dev_err(dev,
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"error: failed kcontrol value set for widget: %d\n",
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scontrol->comp_id);
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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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const struct sof_ipc_pipe_new *snd_sof_pipeline_find(struct snd_sof_dev *sdev,
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int pipeline_id)
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{
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const struct snd_sof_widget *swidget;
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list_for_each_entry(swidget, &sdev->widget_list, list)
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if (swidget->id == snd_soc_dapm_scheduler) {
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const struct sof_ipc_pipe_new *pipeline =
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swidget->private;
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if (pipeline->pipeline_id == pipeline_id)
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return pipeline;
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}
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return NULL;
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}
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int sof_restore_pipelines(struct device *dev)
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{
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struct snd_sof_dev *sdev = dev_get_drvdata(dev);
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struct snd_sof_widget *swidget;
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struct snd_sof_route *sroute;
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struct sof_ipc_pipe_new *pipeline;
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struct snd_sof_dai *dai;
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struct sof_ipc_cmd_hdr *hdr;
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struct sof_ipc_comp *comp;
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size_t ipc_size;
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int ret;
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/* restore pipeline components */
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list_for_each_entry_reverse(swidget, &sdev->widget_list, list) {
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struct sof_ipc_comp_reply r;
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/* skip if there is no private data */
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if (!swidget->private)
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continue;
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ret = sof_pipeline_core_enable(sdev, swidget);
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if (ret < 0) {
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dev_err(dev,
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"error: failed to enable target core: %d\n",
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ret);
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return ret;
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}
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switch (swidget->id) {
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case snd_soc_dapm_dai_in:
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case snd_soc_dapm_dai_out:
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ipc_size = sizeof(struct sof_ipc_comp_dai) +
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sizeof(struct sof_ipc_comp_ext);
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comp = kzalloc(ipc_size, GFP_KERNEL);
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if (!comp)
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return -ENOMEM;
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dai = swidget->private;
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memcpy(comp, &dai->comp_dai,
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sizeof(struct sof_ipc_comp_dai));
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/* append extended data to the end of the component */
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memcpy((u8 *)comp + sizeof(struct sof_ipc_comp_dai),
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&swidget->comp_ext, sizeof(swidget->comp_ext));
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ret = sof_ipc_tx_message(sdev->ipc, comp->hdr.cmd,
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comp, ipc_size,
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&r, sizeof(r));
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kfree(comp);
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break;
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case snd_soc_dapm_scheduler:
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/*
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* During suspend, all DSP cores are powered off.
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* Therefore upon resume, create the pipeline comp
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* and power up the core that the pipeline is
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* scheduled on.
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*/
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pipeline = swidget->private;
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ret = sof_load_pipeline_ipc(dev, pipeline, &r);
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break;
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default:
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hdr = swidget->private;
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ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd,
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swidget->private, hdr->size,
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&r, sizeof(r));
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break;
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}
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if (ret < 0) {
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dev_err(dev,
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"error: failed to load widget type %d with ID: %d\n",
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swidget->widget->id, swidget->comp_id);
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return ret;
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}
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}
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/* restore pipeline connections */
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list_for_each_entry_reverse(sroute, &sdev->route_list, list) {
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struct sof_ipc_pipe_comp_connect *connect;
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struct sof_ipc_reply reply;
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/* skip if there's no private data */
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if (!sroute->private)
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continue;
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connect = sroute->private;
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/* send ipc */
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ret = sof_ipc_tx_message(sdev->ipc,
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connect->hdr.cmd,
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connect, sizeof(*connect),
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&reply, sizeof(reply));
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if (ret < 0) {
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dev_err(dev,
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"error: failed to load route sink %s control %s source %s\n",
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sroute->route->sink,
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sroute->route->control ? sroute->route->control
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: "none",
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sroute->route->source);
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return ret;
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}
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}
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/* restore dai links */
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list_for_each_entry_reverse(dai, &sdev->dai_list, list) {
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struct sof_ipc_reply reply;
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struct sof_ipc_dai_config *config = dai->dai_config;
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if (!config) {
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dev_err(dev, "error: no config for DAI %s\n",
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dai->name);
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continue;
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}
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/*
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* The link DMA channel would be invalidated for running
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* streams but not for streams that were in the PAUSED
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* state during suspend. So invalidate it here before setting
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* the dai config in the DSP.
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*/
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if (config->type == SOF_DAI_INTEL_HDA)
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config->hda.link_dma_ch = DMA_CHAN_INVALID;
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ret = sof_ipc_tx_message(sdev->ipc,
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config->hdr.cmd, config,
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config->hdr.size,
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&reply, sizeof(reply));
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if (ret < 0) {
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dev_err(dev,
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"error: failed to set dai config for %s\n",
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dai->name);
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return ret;
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}
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}
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/* complete pipeline */
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list_for_each_entry(swidget, &sdev->widget_list, list) {
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switch (swidget->id) {
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case snd_soc_dapm_scheduler:
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swidget->complete =
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snd_sof_complete_pipeline(dev, swidget);
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break;
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default:
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break;
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}
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}
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/* restore pipeline kcontrols */
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ret = sof_restore_kcontrols(dev);
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if (ret < 0)
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dev_err(dev,
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"error: restoring kcontrols after resume\n");
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return ret;
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}
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/*
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* Generic object lookup APIs.
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*/
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struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
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const char *name)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
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struct snd_sof_pcm *spcm;
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list_for_each_entry(spcm, &sdev->pcm_list, list) {
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/* match with PCM dai name */
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if (strcmp(spcm->pcm.dai_name, name) == 0)
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return spcm;
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/* match with playback caps name if set */
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if (*spcm->pcm.caps[0].name &&
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!strcmp(spcm->pcm.caps[0].name, name))
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return spcm;
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/* match with capture caps name if set */
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if (*spcm->pcm.caps[1].name &&
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!strcmp(spcm->pcm.caps[1].name, name))
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return spcm;
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}
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return NULL;
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}
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struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
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unsigned int comp_id,
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int *direction)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
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struct snd_sof_pcm *spcm;
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int dir;
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list_for_each_entry(spcm, &sdev->pcm_list, list) {
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for_each_pcm_streams(dir) {
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if (spcm->stream[dir].comp_id == comp_id) {
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*direction = dir;
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return spcm;
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}
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}
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}
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return NULL;
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}
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struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp,
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unsigned int pcm_id)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
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struct snd_sof_pcm *spcm;
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list_for_each_entry(spcm, &sdev->pcm_list, list) {
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if (le32_to_cpu(spcm->pcm.pcm_id) == pcm_id)
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return spcm;
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}
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return NULL;
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}
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struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
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const char *name)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
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struct snd_sof_widget *swidget;
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list_for_each_entry(swidget, &sdev->widget_list, list) {
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if (strcmp(name, swidget->widget->name) == 0)
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return swidget;
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}
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return NULL;
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}
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/* find widget by stream name and direction */
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struct snd_sof_widget *
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snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
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const char *pcm_name, int dir)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
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struct snd_sof_widget *swidget;
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enum snd_soc_dapm_type type;
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if (dir == SNDRV_PCM_STREAM_PLAYBACK)
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type = snd_soc_dapm_aif_in;
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else
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type = snd_soc_dapm_aif_out;
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list_for_each_entry(swidget, &sdev->widget_list, list) {
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if (!strcmp(pcm_name, swidget->widget->sname) &&
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swidget->id == type)
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return swidget;
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}
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return NULL;
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}
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struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
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const char *name)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
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struct snd_sof_dai *dai;
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list_for_each_entry(dai, &sdev->dai_list, list) {
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if (dai->name && (strcmp(name, dai->name) == 0))
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return dai;
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}
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return NULL;
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}
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/*
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* SOF Driver enumeration.
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*/
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int sof_machine_check(struct snd_sof_dev *sdev)
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{
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struct snd_sof_pdata *sof_pdata = sdev->pdata;
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const struct sof_dev_desc *desc = sof_pdata->desc;
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struct snd_soc_acpi_mach *mach;
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int ret;
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/* force nocodec mode */
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
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dev_warn(sdev->dev, "Force to use nocodec mode\n");
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goto nocodec;
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#endif
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/* find machine */
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snd_sof_machine_select(sdev);
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if (sof_pdata->machine) {
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snd_sof_set_mach_params(sof_pdata->machine, sdev->dev);
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return 0;
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}
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#if !IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)
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dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n");
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return -ENODEV;
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#endif
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#if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
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nocodec:
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#endif
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/* select nocodec mode */
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dev_warn(sdev->dev, "Using nocodec machine driver\n");
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mach = devm_kzalloc(sdev->dev, sizeof(*mach), GFP_KERNEL);
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if (!mach)
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return -ENOMEM;
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mach->drv_name = "sof-nocodec";
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sof_pdata->tplg_filename = desc->nocodec_tplg_filename;
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ret = sof_nocodec_setup(sdev->dev, desc->ops);
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if (ret < 0)
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return ret;
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sof_pdata->machine = mach;
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snd_sof_set_mach_params(sof_pdata->machine, sdev->dev);
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return 0;
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}
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EXPORT_SYMBOL(sof_machine_check);
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int sof_machine_register(struct snd_sof_dev *sdev, void *pdata)
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{
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struct snd_sof_pdata *plat_data = pdata;
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const char *drv_name;
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const void *mach;
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int size;
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drv_name = plat_data->machine->drv_name;
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mach = plat_data->machine;
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size = sizeof(*plat_data->machine);
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/* register machine driver, pass machine info as pdata */
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plat_data->pdev_mach =
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platform_device_register_data(sdev->dev, drv_name,
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PLATFORM_DEVID_NONE, mach, size);
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if (IS_ERR(plat_data->pdev_mach))
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return PTR_ERR(plat_data->pdev_mach);
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dev_dbg(sdev->dev, "created machine %s\n",
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dev_name(&plat_data->pdev_mach->dev));
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return 0;
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}
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EXPORT_SYMBOL(sof_machine_register);
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void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata)
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{
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struct snd_sof_pdata *plat_data = pdata;
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if (!IS_ERR_OR_NULL(plat_data->pdev_mach))
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platform_device_unregister(plat_data->pdev_mach);
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}
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EXPORT_SYMBOL(sof_machine_unregister);
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