soc/sof/pm.c

26 static u32 snd_sof_dsp_power_target(struct snd_sof_dev *sdev)
30 	switch (sdev->system_suspend_target) {
45 		if (snd_sof_stream_suspend_ignored(sdev))
60 static void sof_cache_debugfs(struct snd_sof_dev *sdev)
64 	list_for_each_entry(dfse, &sdev->dfsentry_list, list) {
78 int snd_sof_boot_dsp_firmware(struct snd_sof_dev *sdev)
80 	const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm);
81 	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
84 	guard(mutex)(&sdev->dsp_fw_boot_mutex);
86 	if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) {
91 	dev_dbg(sdev->dev, "Booting DSP firmware\n");
93 	sof_set_fw_state(sdev, SOF_FW_BOOT_PREPARE);
96 	ret = snd_sof_load_firmware(sdev);
98 		dev_err(sdev->dev, "%s: failed to load DSP firmware: %d\n",
100 		sof_set_fw_state(sdev, SOF_FW_BOOT_FAILED);
104 	sof_set_fw_state(sdev, SOF_FW_BOOT_IN_PROGRESS);
110 	ret = snd_sof_run_firmware(sdev);
112 		dev_err(sdev->dev, "%s: failed to boot DSP firmware: %d\n",
114 		sof_set_fw_state(sdev, SOF_FW_BOOT_FAILED);
119 	ret = sof_fw_trace_resume(sdev);
122 		dev_warn(sdev->dev, "%s: failed to resume trace: %d\n",
128 		ret = tplg_ops->set_up_all_pipelines(sdev, false);
130 			dev_err(sdev->dev, "%s: failed to restore pipeline: %d\n",
137 	sof_resume_clients(sdev);
141 		ret = pm_ops->ctx_restore(sdev);
143 			dev_err(sdev->dev, "%s: ctx_restore IPC failed: %d\n",
155 		sof_cache_debugfs(sdev);
165 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
166 	u32 old_state = sdev->dsp_power_state.state;
171 	if (!runtime_resume && !sof_ops(sdev)->resume)
174 	if (runtime_resume && !sof_ops(sdev)->runtime_resume)
178 	if (sdev->first_boot)
186 		ret = snd_sof_dsp_runtime_resume(sdev);
188 		ret = snd_sof_dsp_resume(sdev);
190 		dev_err(sdev->dev,
195 	if (sdev->dspless_mode_selected) {
196 		sof_set_fw_state(sdev, SOF_DSPLESS_MODE);
205 	if (!runtime_resume && sof_ops(sdev)->set_power_state &&
207 		ret = sof_fw_trace_resume(sdev);
210 			dev_warn(sdev->dev,
218 		on_demand_boot = sdev->pdata->desc->on_demand_dsp_boot;
222 		sof_set_fw_state(sdev, SOF_FW_BOOT_PREPARE);
226 	return snd_sof_boot_dsp_firmware(sdev);
231 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
232 	const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm);
233 	const struct sof_ipc_tplg_ops *tplg_ops = sof_ipc_get_ops(sdev, tplg);
235 	u32 target_state = snd_sof_dsp_power_target(sdev);
236 	u32 old_state = sdev->dsp_power_state.state;
240 	if (!runtime_suspend && !sof_ops(sdev)->suspend)
243 	if (runtime_suspend && !sof_ops(sdev)->runtime_suspend)
252 		tplg_ops->tear_down_all_pipelines(sdev, false);
254 	if (sdev->fw_state != SOF_FW_BOOT_COMPLETE)
259 		ret = snd_sof_dsp_hw_params_upon_resume(sdev);
261 			dev_err(sdev->dev,
271 	sof_fw_trace_suspend(sdev, pm_state);
274 	sof_suspend_clients(sdev, pm_state);
283 		sof_cache_debugfs(sdev);
287 		ret = pm_ops->ctx_save(sdev);
293 			dev_err(sdev->dev, "ctx_save IPC error during suspend: %d\n", ret);
297 			dev_warn(sdev->dev, "ctx_save IPC error: %d, proceeding with suspend\n",
305 	if (sdev->fw_state == SOF_FW_BOOT_NOT_STARTED)
310 		ret = snd_sof_dsp_runtime_suspend(sdev);
312 		ret = snd_sof_dsp_suspend(sdev, target_state);
314 		dev_err(sdev->dev,
323 	sof_set_fw_state(sdev, SOF_FW_BOOT_NOT_STARTED);
324 	sdev->enabled_cores_mask = 0;
329 int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev)
331 	const struct sof_ipc_pm_ops *pm_ops = sof_ipc_get_ops(sdev, pm);
337 	if (sdev->fw_state == SOF_FW_BOOT_COMPLETE && sof_ops(sdev)->remove &&
339 		return pm_ops->ctx_save(sdev);
352 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
354 	return snd_sof_dsp_runtime_idle(sdev);
378 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
379 	const struct sof_dev_desc *desc = sdev->pdata->desc;
382 	sdev->system_suspend_target = SOF_SUSPEND_S3;
388 	if (sdev->fw_state == SOF_FW_CRASHED ||
389 	    sdev->fw_state == SOF_FW_BOOT_FAILED)
398 		sdev->system_suspend_target = SOF_SUSPEND_S0IX;
403 		sdev->system_suspend_target = SOF_SUSPEND_S3;
406 		sdev->system_suspend_target = SOF_SUSPEND_S4;
409 		sdev->system_suspend_target = SOF_SUSPEND_S5;
422 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
424 	sdev->system_suspend_target = SOF_SUSPEND_NONE;