Release 4.11 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h

/*
 * 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_COMP_H

#define MTK_DRM_DDP_COMP_H

#include <linux/io.h>

struct device;
struct device_node;
struct drm_crtc;
struct drm_device;
struct mtk_plane_state;
struct drm_crtc_state;


enum mtk_ddp_comp_type {
	
MTK_DISP_OVL,
	
MTK_DISP_RDMA,
	
MTK_DISP_WDMA,
	
MTK_DISP_COLOR,
	
MTK_DISP_AAL,
	
MTK_DISP_GAMMA,
	
MTK_DISP_UFOE,
	
MTK_DSI,
	
MTK_DPI,
	
MTK_DISP_PWM,
	
MTK_DISP_MUTEX,
	
MTK_DISP_OD,
	
MTK_DDP_COMP_TYPE_MAX,
};


enum mtk_ddp_comp_id {
	
DDP_COMPONENT_AAL,
	
DDP_COMPONENT_COLOR0,
	
DDP_COMPONENT_COLOR1,
	
DDP_COMPONENT_DPI0,
	
DDP_COMPONENT_DSI0,
	
DDP_COMPONENT_DSI1,
	
DDP_COMPONENT_GAMMA,
	
DDP_COMPONENT_OD,
	
DDP_COMPONENT_OVL0,
	
DDP_COMPONENT_OVL1,
	
DDP_COMPONENT_PWM0,
	
DDP_COMPONENT_PWM1,
	
DDP_COMPONENT_RDMA0,
	
DDP_COMPONENT_RDMA1,
	
DDP_COMPONENT_RDMA2,
	
DDP_COMPONENT_UFOE,
	
DDP_COMPONENT_WDMA0,
	
DDP_COMPONENT_WDMA1,
	
DDP_COMPONENT_ID_MAX,
};

struct mtk_ddp_comp;


struct mtk_ddp_comp_funcs {
	
void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
		       unsigned int h, unsigned int vrefresh, unsigned int bpc);
	
void (*start)(struct mtk_ddp_comp *comp);
	
void (*stop)(struct mtk_ddp_comp *comp);
	
void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
	
void (*disable_vblank)(struct mtk_ddp_comp *comp);
	
void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
	
void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
	
void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
			     struct mtk_plane_state *state);
	
void (*gamma_set)(struct mtk_ddp_comp *comp,
			  struct drm_crtc_state *state);
};


struct mtk_ddp_comp {
	
struct clk *clk;
	
void __iomem *regs;
	
int irq;
	
struct device *larb_dev;
	
enum mtk_ddp_comp_id id;
	
const struct mtk_ddp_comp_funcs *funcs;
};



static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
				       unsigned int w, unsigned int h,
				       unsigned int vrefresh, unsigned int bpc)
{
	if (comp->funcs && comp->funcs->config)
		comp->funcs->config(comp, w, h, vrefresh, bpc);
}

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static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
{
	if (comp->funcs && comp->funcs->start)
		comp->funcs->start(comp);
}

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static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
{
	if (comp->funcs && comp->funcs->stop)
		comp->funcs->stop(comp);
}

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static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
					      struct drm_crtc *crtc)
{
	if (comp->funcs && comp->funcs->enable_vblank)
		comp->funcs->enable_vblank(comp, crtc);
}

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static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
{
	if (comp->funcs && comp->funcs->disable_vblank)
		comp->funcs->disable_vblank(comp);
}

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static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
					 unsigned int idx)
{
	if (comp->funcs && comp->funcs->layer_on)
		comp->funcs->layer_on(comp, idx);
}

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static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
					  unsigned int idx)
{
	if (comp->funcs && comp->funcs->layer_off)
		comp->funcs->layer_off(comp, idx);
}

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static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
					     unsigned int idx,
					     struct mtk_plane_state *state)
{
	if (comp->funcs && comp->funcs->layer_config)
		comp->funcs->layer_config(comp, idx, state);
}

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static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
				     struct drm_crtc_state *state)
{
	if (comp->funcs && comp->funcs->gamma_set)
		comp->funcs->gamma_set(comp, state);
}

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int mtk_ddp_comp_get_id(struct device_node *node,
			enum mtk_ddp_comp_type comp_type);
int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
		      struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
		      const struct mtk_ddp_comp_funcs *funcs);
int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
		    unsigned int CFG);

#endif /* MTK_DRM_DDP_COMP_H */
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Directory: drivers/gpu/drm/mediatek

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