malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge "soc: qcom: Add recovery manager header"

Browse Source
This commit is contained in:
qctecmdr 2020-09-03 03:23:02 -07:00 committed by Gerrit - the friendly Code Review server
commit 6fe79d29e8
1 changed files with 118 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

118
include/soc/qcom/sde_recovery_manager.h Normal file
View File

@ -0,0 +1,118 @@
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __SDE_RECOVERY_MANAGER_H__
#define __SDE_RECOVERY_MANAGER_H__
#include <linux/list.h>
#include <linux/kthread.h>
#include <linux/platform_device.h>
#include <linux/kobject.h>
#include <drm/msm_drm.h>
#include <linux/slab.h>
#include <drm/drmP.h>
/* MSM Recovery Manager related definitions */
#define MAX_REC_NAME_LEN (16)
/* MSM Recovery Manager Event Code */
#define DRM_EVENT_SDE_UNDERRUN 0x80000008
#define DRM_EVENT_SDE_SMMUFAULT 0x80000009
#define DRM_EVENT_SDE_VSYNC_MISS 0x80000010
#define DRM_EVENT_RECOVERY_SUCCESS 0x80000011
#define DRM_EVENT_RECOVERY_FAILURE 0x80000012
#define DRM_EVENT_BRIDGE_ERROR 0x80000013
/*
* struct sde_recovery_client - Client information
* @name: name of the client.
* @recovery_cb: recovery callback to recover the events reported.
* @events: list of events that can be handled by client.
* @num_events: number of events supported by the client.
* @handle: opaque data to callback.
* @list: link list
*/
struct sde_recovery_client {
char name[MAX_REC_NAME_LEN];
int (*recovery_cb)(void *handle, u32 event, struct drm_crtc *crtc);
u32 *events;
int num_events;
void *handle;
struct list_head list;
};
#if IS_ENABLED(CONFIG_SDE_RECOVERY_MANAGER)
/*
* Send a event for a crtc or all crtc to the recovery manager.
* @dev DRM device
* @event event
* @crtc CRTC or NULL for all active CRTC
*
* Return value:
* 0 Success
* -EEXIST a same event for the same crtc has been queue and not processed
* -EINVAL CRTC index out of the range
* -ENOMEM out of memory
*/
int sde_recovery_set_event(struct drm_device *dev, u32 event,
struct drm_crtc *crtc);
/*
* Register a new client to recovery manager.
* @dev DRM device
* @client client information
*
* Return value:
* 0 Success
* -EINVAL client name is NULL
* -ENOENT recovery manager hasn't been initialized
*/
int sde_recovery_client_register(struct drm_device *dev,
struct sde_recovery_client *client);
/*
* Unregister a existing client from recovery manager.
* @dev DRM device
* @client client information
*
* Return value:
* 0 Success
* -EINVAL client is NULL
* -ENOENT recovery manager hasn't been initialized
*/
int sde_recovery_client_unregister(struct drm_device *dev,
struct sde_recovery_client *client);
#else
static inline int sde_recovery_set_event(struct drm_device *dev, u32 event,
struct drm_crtc *crtc)
{
return 0;
}
static inline int sde_recovery_client_register(struct drm_device *dev,
struct sde_recovery_client *client)
{
return 0;
}
static inline int sde_recovery_client_unregister(struct drm_device *dev,
struct sde_recovery_client *client)
{
return 0;
}
#endif
#endif /* __SDE_RECOVERY_MANAGER_H__ */