Merge "Add S2R and S2D support in KMD" (d954d9a5) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/media/platform/msm/ais/cam_req_mgr/cam_req_mgr_dev.c

+59 −0

Original line number	Diff line number	Diff line
		@@ -745,6 +745,64 @@ static const struct of_device_id cam_req_mgr_dt_match[] = {
		};
		MODULE_DEVICE_TABLE(of, cam_dt_match);

		static int cam_pm_suspend(struct device *pdev)
		{
		struct v4l2_event event;

		event.id = V4L_EVENT_CAM_REQ_MGR_S2R_SUSPEND;
		event.type = V4L_EVENT_CAM_REQ_MGR_EVENT;
		CAM_DBG(CAM_CRM, "Queue S2R suspend event");
		v4l2_event_queue(g_dev.video, &event);
		return 0;
		}

		static int cam_pm_resume(struct device *pdev)
		{
		struct v4l2_event event;

		event.id = V4L_EVENT_CAM_REQ_MGR_S2R_RESUME;
		event.type = V4L_EVENT_CAM_REQ_MGR_EVENT;
		CAM_DBG(CAM_CRM, "Queue S2R resume event");
		v4l2_event_queue(g_dev.video, &event);
		return 0;
		}

		static int cam_pm_freeze(struct device *pdev)
		{
		CAM_DBG(CAM_CRM, "Freeze done for cam_req_mgr driver");
		return 0;
		}

		static int cam_pm_restore(struct device *pdev)
		{
		struct v4l2_event event;

		event.id = V4L_EVENT_CAM_REQ_MGR_HIBERNATION_RESUME;
		event.type = V4L_EVENT_CAM_REQ_MGR_EVENT;
		CAM_DBG(CAM_CRM, "Queue hibernation restore event");
		v4l2_event_queue(g_dev.video, &event);
		return 0;
		}

		static int cam_pm_thaw(struct device *pdev)
		{
		struct v4l2_event event;

		event.id = V4L_EVENT_CAM_REQ_MGR_HIBERNATION_SUSPEND;
		event.type = V4L_EVENT_CAM_REQ_MGR_EVENT;
		CAM_DBG(CAM_CRM, "Queue hibernation thaw event");
		v4l2_event_queue(g_dev.video, &event);
		return 0;
		}

		static const struct dev_pm_ops cam_pm_ops = {
		.suspend = &cam_pm_suspend,
		.resume = &cam_pm_resume,
		.freeze = &cam_pm_freeze,
		.restore = &cam_pm_restore,
		.thaw = &cam_pm_thaw,
		};

		static struct platform_driver cam_req_mgr_driver = {
		.probe = cam_req_mgr_probe,
		.remove = cam_req_mgr_remove,
		@@ -753,6 +811,7 @@ static struct platform_driver cam_req_mgr_driver = {
		.owner = THIS_MODULE,
		.of_match_table = cam_req_mgr_dt_match,
		.suppress_bind_attrs = true,
		.pm = &cam_pm_ops,
		},
		};

include/uapi/media/cam_req_mgr.h

+9 −3

Original line number	Diff line number	Diff line
		@@ -47,6 +47,12 @@
		#define V4L_EVENT_CAM_REQ_MGR_ERROR 1
		#define V4L_EVENT_CAM_REQ_MGR_SOF_BOOT_TS 2

		/* Suspend to RAM and Hibernation events */
		#define V4L_EVENT_CAM_REQ_MGR_S2R_SUSPEND 10
		#define V4L_EVENT_CAM_REQ_MGR_S2R_RESUME 11
		#define V4L_EVENT_CAM_REQ_MGR_HIBERNATION_SUSPEND 12
		#define V4L_EVENT_CAM_REQ_MGR_HIBERNATION_RESUME 13

		/* SOF Event status */
		#define CAM_REQ_MGR_SOF_EVENT_SUCCESS 0
		#define CAM_REQ_MGR_SOF_EVENT_ERROR 1