openharmony/drivers_adapter_khdf_linux
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feat: support linux power event notify

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Signed-off-by: yuanbo <yuanbo@huawei.com>
This commit is contained in:
yuanbo 2022-04-25 10:58:01 +08:00
parent ea6befeb06
commit bb33c6bf9d
1 changed files with 52 additions and 9 deletions
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61
manager/src/hdf_kevent.c
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@ -22,9 +22,11 @@
#include <linux/notifier.h>
#include <linux/suspend.h>
#include "devmgr_service_clnt.h"
#include "hdf_device_desc.h"
#include "hdf_dlist.h"
#include "hdf_log.h"
#include "hdf_power_state.h"
#include "hdf_sbuf.h"
#include "osal_mem.h"
#include "osal_mutex.h"
@ -179,11 +181,42 @@ int32_t HdfSysEventSend(uint64_t eventClass, uint32_t event, const char *content
return SendKevent(keventmodule, eventClass, event, content, sync);
}
static int32_t KernalSpacePmNotify(int32_t powerEvent)
{
uint32_t pmStatus = POWER_STATE_MAX;
struct DevmgrServiceClnt *devmgrClnt = NULL;
switch (powerEvent) {
case KEVENT_POWER_SUSPEND:
pmStatus = POWER_STATE_SUSPEND;
break;
case KEVENT_POWER_DISPLAY_OFF:
pmStatus = POWER_STATE_DOZE_SUSPEND;
break;
case KEVENT_POWER_RESUME:
pmStatus = POWER_STATE_RESUME;
break;
case KEVENT_POWER_DISPLAY_ON:
pmStatus = POWER_STATE_DOZE_RESUME;
break;
default:
return HDF_ERR_INVALID_PARAM;
}
devmgrClnt = DevmgrServiceClntGetInstance();
if (devmgrClnt == NULL || devmgrClnt->devMgrSvcIf == NULL) {
return HDF_FAILURE;
}
return devmgrClnt->devMgrSvcIf->PowerStateChange(devmgrClnt->devMgrSvcIf, pmStatus);
}
static int32_t KeventPmNotifierFn(struct notifier_block *nb, unsigned long action, void *dummy)
{
struct HdfKeventModule *keventModule = NULL;
int32_t powerEvent;
bool sync = false;
int ret = 0;
keventModule = CONTAINER_OF(nb, struct HdfKeventModule, keventPmNotifier);
HDF_LOGI("%s:action=%d", __func__, action);
@ -201,7 +234,12 @@ static int32_t KeventPmNotifierFn(struct notifier_block *nb, unsigned long actio
return 0;
}
return SendKevent(keventModule, HDF_SYSEVENT_CLASS_POWER, powerEvent, NULL, sync);
ret = SendKevent(keventModule, HDF_SYSEVENT_CLASS_POWER, powerEvent, NULL, sync);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: failed to notify userspace pm status");
}
return KernalSpacePmNotify(powerEvent);
}
static int32_t KeventFbNotifierFn(struct notifier_block *nb, unsigned long event, void *data)
@ -211,6 +249,7 @@ static int32_t KeventFbNotifierFn(struct notifier_block *nb, unsigned long event
struct HdfKeventModule *keventModule = NULL;
int32_t powerEvent;
bool sync = false;
int ret = 0;
if (event != FB_EVENT_BLANK) {
return 0;
@ -236,7 +275,12 @@ static int32_t KeventFbNotifierFn(struct notifier_block *nb, unsigned long event
break;
}
return SendKevent(keventModule, HDF_SYSEVENT_CLASS_POWER, powerEvent, NULL, sync);
ret = SendKevent(keventModule, HDF_SYSEVENT_CLASS_POWER, powerEvent, NULL, sync);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: failed to notify userspace pm status");
}
return KernalSpacePmNotify(powerEvent);
}
void CompleteKevent(struct HdfKeventModule *keventModule, struct HdfSBuf *tokenBuffer)
@ -263,8 +307,8 @@ void CompleteKevent(struct HdfKeventModule *keventModule, struct HdfSBuf *tokenB
static int32_t HdfKeventIoServiceDispatch(
struct HdfDeviceIoClient *client, int id, struct HdfSBuf *data, struct HdfSBuf *reply)
{
(void)reply;
struct HdfKeventModule *keventModule;
(void)reply;
keventModule = (struct HdfKeventModule *)client->device->priv;
if (keventModule == NULL) {
@ -352,6 +396,11 @@ static void HdfKeventDriverRelease(struct HdfDeviceObject *object)
static int32_t HdfKeventDriverBind(struct HdfDeviceObject *dev)
{
static struct IDeviceIoService keventService = {
.Open = HdfKeventDriverOpen,
.Dispatch = HdfKeventIoServiceDispatch,
.Release = HdfKeventDriverClose,
};
struct HdfKeventModule *keventModule = NULL;
if (dev == NULL) {
return HDF_ERR_INVALID_PARAM;
@ -376,12 +425,6 @@ static int32_t HdfKeventDriverBind(struct HdfDeviceObject *dev)
DListHeadInit(&keventModule->clientList);
keventModule->devObj = dev;
dev->priv = keventModule;
static struct IDeviceIoService keventService = {
.Open = HdfKeventDriverOpen,
.Dispatch = HdfKeventIoServiceDispatch,
.Release = HdfKeventDriverClose,
};
dev->service = &keventService;
return HDF_SUCCESS;