forked from Minki/linux
9dc84e98a3
We need to acquire mutex before using the resources, and need to release it after finished. So we don't need to write registers in the blanking period. Signed-off-by: YT Shen <yt.shen@mediatek.com> Acked-by: CK Hu <ck.hu@mediatek.com>
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 2015 MediaTek Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License 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 MTK_DRM_DDP_H
|
|
#define MTK_DRM_DDP_H
|
|
|
|
#include "mtk_drm_ddp_comp.h"
|
|
|
|
struct regmap;
|
|
struct device;
|
|
struct mtk_disp_mutex;
|
|
|
|
void mtk_ddp_add_comp_to_path(void __iomem *config_regs,
|
|
enum mtk_ddp_comp_id cur,
|
|
enum mtk_ddp_comp_id next);
|
|
void mtk_ddp_remove_comp_from_path(void __iomem *config_regs,
|
|
enum mtk_ddp_comp_id cur,
|
|
enum mtk_ddp_comp_id next);
|
|
|
|
struct mtk_disp_mutex *mtk_disp_mutex_get(struct device *dev, unsigned int id);
|
|
int mtk_disp_mutex_prepare(struct mtk_disp_mutex *mutex);
|
|
void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex,
|
|
enum mtk_ddp_comp_id id);
|
|
void mtk_disp_mutex_enable(struct mtk_disp_mutex *mutex);
|
|
void mtk_disp_mutex_disable(struct mtk_disp_mutex *mutex);
|
|
void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex,
|
|
enum mtk_ddp_comp_id id);
|
|
void mtk_disp_mutex_unprepare(struct mtk_disp_mutex *mutex);
|
|
void mtk_disp_mutex_put(struct mtk_disp_mutex *mutex);
|
|
void mtk_disp_mutex_acquire(struct mtk_disp_mutex *mutex);
|
|
void mtk_disp_mutex_release(struct mtk_disp_mutex *mutex);
|
|
|
|
#endif /* MTK_DRM_DDP_H */
|