[deliverable/linux.git] / 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);
}

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

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

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);
}

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);
}

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);
}

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);
}

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);
}

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);
}

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 */
Commit	Line	Data
119f5173 CH	1	/*
	2	* Copyright (c) 2015 MediaTek Inc.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*/
	13
	14	#ifndef MTK_DRM_DDP_COMP_H
	15	#define MTK_DRM_DDP_COMP_H
	16
	17	#include <linux/io.h>
	18
	19	struct device;
	20	struct device_node;
	21	struct drm_crtc;
	22	struct drm_device;
	23	struct mtk_plane_state;
2f3f4dda	24	struct drm_crtc_state;
119f5173 CH	25
	26	enum mtk_ddp_comp_type {
	27	MTK_DISP_OVL,
	28	MTK_DISP_RDMA,
	29	MTK_DISP_WDMA,
	30	MTK_DISP_COLOR,
	31	MTK_DISP_AAL,
	32	MTK_DISP_GAMMA,
	33	MTK_DISP_UFOE,
	34	MTK_DSI,
	35	MTK_DPI,
	36	MTK_DISP_PWM,
	37	MTK_DISP_MUTEX,
	38	MTK_DISP_OD,
	39	MTK_DDP_COMP_TYPE_MAX,
	40	};
	41
	42	enum mtk_ddp_comp_id {
	43	DDP_COMPONENT_AAL,
	44	DDP_COMPONENT_COLOR0,
	45	DDP_COMPONENT_COLOR1,
	46	DDP_COMPONENT_DPI0,
	47	DDP_COMPONENT_DSI0,
	48	DDP_COMPONENT_DSI1,
	49	DDP_COMPONENT_GAMMA,
	50	DDP_COMPONENT_OD,
	51	DDP_COMPONENT_OVL0,
	52	DDP_COMPONENT_OVL1,
	53	DDP_COMPONENT_PWM0,
	54	DDP_COMPONENT_PWM1,
	55	DDP_COMPONENT_RDMA0,
	56	DDP_COMPONENT_RDMA1,
	57	DDP_COMPONENT_RDMA2,
	58	DDP_COMPONENT_UFOE,
	59	DDP_COMPONENT_WDMA0,
	60	DDP_COMPONENT_WDMA1,
	61	DDP_COMPONENT_ID_MAX,
	62	};
	63
	64	struct mtk_ddp_comp;
	65
	66	struct mtk_ddp_comp_funcs {
	67	void (config)(struct mtk_ddp_comp comp, unsigned int w,
72164364	68	unsigned int h, unsigned int vrefresh, unsigned int bpc);
119f5173 CH	69	void (start)(struct mtk_ddp_comp comp);
	70	void (stop)(struct mtk_ddp_comp comp);
	71	void (enable_vblank)(struct mtk_ddp_comp comp, struct drm_crtc *crtc);
	72	void (disable_vblank)(struct mtk_ddp_comp comp);
	73	void (layer_on)(struct mtk_ddp_comp comp, unsigned int idx);
	74	void (layer_off)(struct mtk_ddp_comp comp, unsigned int idx);
	75	void (layer_config)(struct mtk_ddp_comp comp, unsigned int idx,
	76	struct mtk_plane_state *state);
2f3f4dda BH	77	void (gamma_set)(struct mtk_ddp_comp comp,
2f3f4dda BH	78	struct drm_crtc_state *state);
119f5173 CH	79	};
	80
	81	struct mtk_ddp_comp {
	82	struct clk *clk;
	83	void __iomem *regs;
	84	int irq;
	85	struct device *larb_dev;
	86	enum mtk_ddp_comp_id id;
	87	const struct mtk_ddp_comp_funcs *funcs;
	88	};
	89
	90	static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
	91	unsigned int w, unsigned int h,
72164364	92	unsigned int vrefresh, unsigned int bpc)
119f5173 CH	93	{
119f5173 CH	94	if (comp->funcs && comp->funcs->config)
72164364	95	comp->funcs->config(comp, w, h, vrefresh, bpc);
119f5173 CH	96	}
	97
	98	static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
	99	{
	100	if (comp->funcs && comp->funcs->start)
	101	comp->funcs->start(comp);
	102	}
	103
	104	static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
	105	{
	106	if (comp->funcs && comp->funcs->stop)
	107	comp->funcs->stop(comp);
	108	}
	109
	110	static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
	111	struct drm_crtc *crtc)
	112	{
	113	if (comp->funcs && comp->funcs->enable_vblank)
	114	comp->funcs->enable_vblank(comp, crtc);
	115	}
	116
	117	static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
	118	{
	119	if (comp->funcs && comp->funcs->disable_vblank)
	120	comp->funcs->disable_vblank(comp);
	121	}
	122
	123	static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
	124	unsigned int idx)
	125	{
	126	if (comp->funcs && comp->funcs->layer_on)
	127	comp->funcs->layer_on(comp, idx);
	128	}
	129
	130	static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
	131	unsigned int idx)
	132	{
	133	if (comp->funcs && comp->funcs->layer_off)
	134	comp->funcs->layer_off(comp, idx);
	135	}
	136
	137	static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
	138	unsigned int idx,
	139	struct mtk_plane_state *state)
	140	{
	141	if (comp->funcs && comp->funcs->layer_config)
	142	comp->funcs->layer_config(comp, idx, state);
	143	}
	144
2f3f4dda BH	145	static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
	146	struct drm_crtc_state *state)
	147	{
	148	if (comp->funcs && comp->funcs->gamma_set)
	149	comp->funcs->gamma_set(comp, state);
	150	}
	151
119f5173 CH	152	int mtk_ddp_comp_get_id(struct device_node *node,
	153	enum mtk_ddp_comp_type comp_type);
	154	int mtk_ddp_comp_init(struct device dev, struct device_node comp_node,
	155	struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
	156	const struct mtk_ddp_comp_funcs *funcs);
	157	int mtk_ddp_comp_register(struct drm_device drm, struct mtk_ddp_comp comp);
	158	void mtk_ddp_comp_unregister(struct drm_device drm, struct mtk_ddp_comp comp);
72164364 BH	159	void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
72164364 BH	160	unsigned int CFG);
119f5173 CH	161
119f5173 CH	162	#endif /* MTK_DRM_DDP_COMP_H */