mirror of https://gitee.com/openkylin/linux.git
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
|
|
* rcar_du_drv.h -- R-Car Display Unit DRM driver
|
|
*
|
|
* Copyright (C) 2013 Renesas Corporation
|
|
*
|
|
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef __RCAR_DU_DRV_H__
|
|
#define __RCAR_DU_DRV_H__
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/platform_data/rcar-du.h>
|
|
|
|
#include "rcar_du_crtc.h"
|
|
#include "rcar_du_plane.h"
|
|
|
|
struct clk;
|
|
struct device;
|
|
struct drm_device;
|
|
|
|
struct rcar_du_device {
|
|
struct device *dev;
|
|
const struct rcar_du_platform_data *pdata;
|
|
|
|
void __iomem *mmio;
|
|
struct clk *clock;
|
|
unsigned int use_count;
|
|
|
|
struct drm_device *ddev;
|
|
|
|
struct rcar_du_crtc crtcs[2];
|
|
unsigned int used_crtcs;
|
|
unsigned int num_crtcs;
|
|
|
|
struct {
|
|
struct rcar_du_plane planes[RCAR_DU_NUM_SW_PLANES];
|
|
unsigned int free;
|
|
struct mutex lock;
|
|
|
|
struct drm_property *alpha;
|
|
struct drm_property *colorkey;
|
|
struct drm_property *zpos;
|
|
} planes;
|
|
};
|
|
|
|
int rcar_du_get(struct rcar_du_device *rcdu);
|
|
void rcar_du_put(struct rcar_du_device *rcdu);
|
|
|
|
static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg)
|
|
{
|
|
return ioread32(rcdu->mmio + reg);
|
|
}
|
|
|
|
static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data)
|
|
{
|
|
iowrite32(data, rcdu->mmio + reg);
|
|
}
|
|
|
|
#endif /* __RCAR_DU_DRV_H__ */
|