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514 lines
12 KiB
514 lines
12 KiB
// 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 <[email protected]> |
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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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#if !IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE) |
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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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#else |
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dev_warn(sdev->dev, "Force to use nocodec mode\n"); |
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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, sof_pcm_dai_link_fixup); |
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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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