pm.c (4f797f56c3786e2c6bc542b3f80e9a599b073976) pm.c (ee1e79b72e3cf5eac42ba9de827536f91d4c04e2)
1// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2//
3// This file is provided under a dual BSD/GPLv2 license. When using or
4// redistributing this file, you may do so under either license.
5//
6// Copyright(c) 2018 Intel Corporation. All rights reserved.
7//
8// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9//
10
11#include "ops.h"
12#include "sof-priv.h"
1// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
2//
3// This file is provided under a dual BSD/GPLv2 license. When using or
4// redistributing this file, you may do so under either license.
5//
6// Copyright(c) 2018 Intel Corporation. All rights reserved.
7//
8// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9//
10
11#include "ops.h"
12#include "sof-priv.h"
13#include "sof-audio.h"
13
14
14static int sof_restore_kcontrols(struct snd_sof_dev *sdev)
15{
16 struct snd_sof_control *scontrol;
17 int ipc_cmd, ctrl_type;
18 int ret = 0;
19
20 /* restore kcontrol values */
21 list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
22 /* reset readback offset for scontrol after resuming */
23 scontrol->readback_offset = 0;
24
25 /* notify DSP of kcontrol values */
26 switch (scontrol->cmd) {
27 case SOF_CTRL_CMD_VOLUME:
28 case SOF_CTRL_CMD_ENUM:
29 case SOF_CTRL_CMD_SWITCH:
30 ipc_cmd = SOF_IPC_COMP_SET_VALUE;
31 ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
32 ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
33 ipc_cmd, ctrl_type,
34 scontrol->cmd,
35 true);
36 break;
37 case SOF_CTRL_CMD_BINARY:
38 ipc_cmd = SOF_IPC_COMP_SET_DATA;
39 ctrl_type = SOF_CTRL_TYPE_DATA_SET;
40 ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
41 ipc_cmd, ctrl_type,
42 scontrol->cmd,
43 true);
44 break;
45
46 default:
47 break;
48 }
49
50 if (ret < 0) {
51 dev_err(sdev->dev,
52 "error: failed kcontrol value set for widget: %d\n",
53 scontrol->comp_id);
54
55 return ret;
56 }
57 }
58
59 return 0;
60}
61
62static int sof_restore_pipelines(struct snd_sof_dev *sdev)
63{
64 struct snd_sof_widget *swidget;
65 struct snd_sof_route *sroute;
66 struct sof_ipc_pipe_new *pipeline;
67 struct snd_sof_dai *dai;
68 struct sof_ipc_comp_dai *comp_dai;
69 struct sof_ipc_cmd_hdr *hdr;
70 int ret;
71
72 /* restore pipeline components */
73 list_for_each_entry_reverse(swidget, &sdev->widget_list, list) {
74 struct sof_ipc_comp_reply r;
75
76 /* skip if there is no private data */
77 if (!swidget->private)
78 continue;
79
80 switch (swidget->id) {
81 case snd_soc_dapm_dai_in:
82 case snd_soc_dapm_dai_out:
83 dai = swidget->private;
84 comp_dai = &dai->comp_dai;
85 ret = sof_ipc_tx_message(sdev->ipc,
86 comp_dai->comp.hdr.cmd,
87 comp_dai, sizeof(*comp_dai),
88 &r, sizeof(r));
89 break;
90 case snd_soc_dapm_scheduler:
91
92 /*
93 * During suspend, all DSP cores are powered off.
94 * Therefore upon resume, create the pipeline comp
95 * and power up the core that the pipeline is
96 * scheduled on.
97 */
98 pipeline = swidget->private;
99 ret = sof_load_pipeline_ipc(sdev, pipeline, &r);
100 break;
101 default:
102 hdr = swidget->private;
103 ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd,
104 swidget->private, hdr->size,
105 &r, sizeof(r));
106 break;
107 }
108 if (ret < 0) {
109 dev_err(sdev->dev,
110 "error: failed to load widget type %d with ID: %d\n",
111 swidget->widget->id, swidget->comp_id);
112
113 return ret;
114 }
115 }
116
117 /* restore pipeline connections */
118 list_for_each_entry_reverse(sroute, &sdev->route_list, list) {
119 struct sof_ipc_pipe_comp_connect *connect;
120 struct sof_ipc_reply reply;
121
122 /* skip if there's no private data */
123 if (!sroute->private)
124 continue;
125
126 connect = sroute->private;
127
128 /* send ipc */
129 ret = sof_ipc_tx_message(sdev->ipc,
130 connect->hdr.cmd,
131 connect, sizeof(*connect),
132 &reply, sizeof(reply));
133 if (ret < 0) {
134 dev_err(sdev->dev,
135 "error: failed to load route sink %s control %s source %s\n",
136 sroute->route->sink,
137 sroute->route->control ? sroute->route->control
138 : "none",
139 sroute->route->source);
140
141 return ret;
142 }
143 }
144
145 /* restore dai links */
146 list_for_each_entry_reverse(dai, &sdev->dai_list, list) {
147 struct sof_ipc_reply reply;
148 struct sof_ipc_dai_config *config = dai->dai_config;
149
150 if (!config) {
151 dev_err(sdev->dev, "error: no config for DAI %s\n",
152 dai->name);
153 continue;
154 }
155
156 /*
157 * The link DMA channel would be invalidated for running
158 * streams but not for streams that were in the PAUSED
159 * state during suspend. So invalidate it here before setting
160 * the dai config in the DSP.
161 */
162 if (config->type == SOF_DAI_INTEL_HDA)
163 config->hda.link_dma_ch = DMA_CHAN_INVALID;
164
165 ret = sof_ipc_tx_message(sdev->ipc,
166 config->hdr.cmd, config,
167 config->hdr.size,
168 &reply, sizeof(reply));
169
170 if (ret < 0) {
171 dev_err(sdev->dev,
172 "error: failed to set dai config for %s\n",
173 dai->name);
174
175 return ret;
176 }
177 }
178
179 /* complete pipeline */
180 list_for_each_entry(swidget, &sdev->widget_list, list) {
181 switch (swidget->id) {
182 case snd_soc_dapm_scheduler:
183 swidget->complete =
184 snd_sof_complete_pipeline(sdev, swidget);
185 break;
186 default:
187 break;
188 }
189 }
190
191 /* restore pipeline kcontrols */
192 ret = sof_restore_kcontrols(sdev);
193 if (ret < 0)
194 dev_err(sdev->dev,
195 "error: restoring kcontrols after resume\n");
196
197 return ret;
198}
199
200static int sof_send_pm_ctx_ipc(struct snd_sof_dev *sdev, int cmd)
201{
202 struct sof_ipc_pm_ctx pm_ctx;
203 struct sof_ipc_reply reply;
204
205 memset(&pm_ctx, 0, sizeof(pm_ctx));
206
207 /* configure ctx save ipc message */
208 pm_ctx.hdr.size = sizeof(pm_ctx);
209 pm_ctx.hdr.cmd = SOF_IPC_GLB_PM_MSG | cmd;
210
211 /* send ctx save ipc to dsp */
212 return sof_ipc_tx_message(sdev->ipc, pm_ctx.hdr.cmd, &pm_ctx,
213 sizeof(pm_ctx), &reply, sizeof(reply));
214}
215
15static int sof_send_pm_ctx_ipc(struct snd_sof_dev *sdev, int cmd)
16{
17 struct sof_ipc_pm_ctx pm_ctx;
18 struct sof_ipc_reply reply;
19
20 memset(&pm_ctx, 0, sizeof(pm_ctx));
21
22 /* configure ctx save ipc message */
23 pm_ctx.hdr.size = sizeof(pm_ctx);
24 pm_ctx.hdr.cmd = SOF_IPC_GLB_PM_MSG | cmd;
25
26 /* send ctx save ipc to dsp */
27 return sof_ipc_tx_message(sdev->ipc, pm_ctx.hdr.cmd, &pm_ctx,
28 sizeof(pm_ctx), &reply, sizeof(reply));
29}
30
216static int sof_set_hw_params_upon_resume(struct snd_sof_dev *sdev)
217{
218 struct snd_pcm_substream *substream;
219 struct snd_sof_pcm *spcm;
220 snd_pcm_state_t state;
221 int dir;
222
223 /*
224 * SOF requires hw_params to be set-up internally upon resume.
225 * So, set the flag to indicate this for those streams that
226 * have been suspended.
227 */
228 list_for_each_entry(spcm, &sdev->pcm_list, list) {
229 for (dir = 0; dir <= SNDRV_PCM_STREAM_CAPTURE; dir++) {
230 substream = spcm->stream[dir].substream;
231 if (!substream || !substream->runtime)
232 continue;
233
234 state = substream->runtime->status->state;
235 if (state == SNDRV_PCM_STATE_SUSPENDED)
236 spcm->prepared[dir] = false;
237 }
238 }
239
240 /* set internal flag for BE */
241 return snd_sof_dsp_hw_params_upon_resume(sdev);
242}
243
244#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE)
245static void sof_cache_debugfs(struct snd_sof_dev *sdev)
246{
247 struct snd_sof_dfsentry *dfse;
248
249 list_for_each_entry(dfse, &sdev->dfsentry_list, list) {
250
251 /* nothing to do if debugfs buffer is not IO mem */

--- 54 unchanged lines hidden (view full) ---

306 if (ret < 0) {
307 /* non fatal */
308 dev_warn(sdev->dev,
309 "warning: failed to init trace after resume %d\n",
310 ret);
311 }
312
313 /* restore pipelines */
31#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE)
32static void sof_cache_debugfs(struct snd_sof_dev *sdev)
33{
34 struct snd_sof_dfsentry *dfse;
35
36 list_for_each_entry(dfse, &sdev->dfsentry_list, list) {
37
38 /* nothing to do if debugfs buffer is not IO mem */

--- 54 unchanged lines hidden (view full) ---

93 if (ret < 0) {
94 /* non fatal */
95 dev_warn(sdev->dev,
96 "warning: failed to init trace after resume %d\n",
97 ret);
98 }
99
100 /* restore pipelines */
314 ret = sof_restore_pipelines(sdev);
101 ret = sof_restore_pipelines(sdev->dev);
315 if (ret < 0) {
316 dev_err(sdev->dev,
317 "error: failed to restore pipeline after resume %d\n",
318 ret);
319 return ret;
320 }
321
322 /* notify DSP of system resume */

--- 18 unchanged lines hidden (view full) ---

341 if (!sof_ops(sdev)->suspend)
342 return 0;
343
344 /* release trace */
345 snd_sof_release_trace(sdev);
346
347 /* set restore_stream for all streams during system suspend */
348 if (!runtime_suspend) {
102 if (ret < 0) {
103 dev_err(sdev->dev,
104 "error: failed to restore pipeline after resume %d\n",
105 ret);
106 return ret;
107 }
108
109 /* notify DSP of system resume */

--- 18 unchanged lines hidden (view full) ---

128 if (!sof_ops(sdev)->suspend)
129 return 0;
130
131 /* release trace */
132 snd_sof_release_trace(sdev);
133
134 /* set restore_stream for all streams during system suspend */
135 if (!runtime_suspend) {
349 ret = sof_set_hw_params_upon_resume(sdev);
136 ret = sof_set_hw_params_upon_resume(sdev->dev);
350 if (ret < 0) {
351 dev_err(sdev->dev,
352 "error: setting hw_params flag during suspend %d\n",
353 ret);
354 return ret;
355 }
356 }
357

--- 188 unchanged lines hidden --- 		137 if (ret < 0) {
138 dev_err(sdev->dev,
139 "error: setting hw_params flag during suspend %d\n",
140 ret);
141 return ret;
142 }
143 }
144

--- 188 unchanged lines hidden ---