1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <los_pm.h>
32 #include "devmgr_service.h"
33 #include "hdf_base.h"
34 #include "hdf_log.h"
35
36 #define HDF_LOG_TAG devmgr_pm
37
DevmgrPmSuspend(UINT32 mode)38 UINT32 DevmgrPmSuspend(UINT32 mode)
39 {
40 if (mode != LOS_SYS_LIGHT_SLEEP) {
41 HDF_LOGI("%s: hdf Suspend %d", __func__, mode);
42 }
43
44 HDF_LOGI("%s hdf suspend start", __func__);
45 struct IDevmgrService *devmgrService = DevmgrServiceGetInstance();
46 if (devmgrService == NULL) {
47 return LOS_NOK;
48 }
49
50 if (devmgrService->PowerStateChange(devmgrService, POWER_STATE_SUSPEND) != HDF_SUCCESS) {
51 HDF_LOGE("%s drivers suspend failed", __func__);
52 devmgrService->PowerStateChange(devmgrService, POWER_STATE_RESUME);
53 return LOS_NOK;
54 }
55
56 HDF_LOGI("%s hdf suspend done", __func__);
57 return LOS_OK;
58 }
59
DevmgrPmResume(UINT32 mode)60 void DevmgrPmResume(UINT32 mode)
61 {
62 if (mode != LOS_SYS_LIGHT_SLEEP) {
63 HDF_LOGI("%s: hdf resume %d", __func__, mode);
64 }
65
66 HDF_LOGI("%s hdf resume start", __func__);
67 struct IDevmgrService *devmgrService = DevmgrServiceGetInstance();
68 if (devmgrService == NULL) {
69 return;
70 }
71
72 devmgrService->PowerStateChange(devmgrService, POWER_STATE_RESUME);
73 HDF_LOGI("%s hdf resume done", __func__);
74 }
75
DevMgrPmRegister(void)76 int DevMgrPmRegister(void)
77 {
78 static LosPmDevice pmOpt = {
79 .suspend = DevmgrPmSuspend,
80 .resume = DevmgrPmResume,
81 };
82
83 HDF_LOGI("%s hdf enter", __func__);
84
85 if (LOS_PmRegister(LOS_PM_TYPE_DEVICE, &pmOpt) != 0) {
86 HDF_LOGE("failed to register los pm opt");
87 return HDF_FAILURE;
88 }
89 return HDF_SUCCESS;
90 }
91
92