[mirror_ubuntu-artful-kernel.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_DISP_BLS,
	MTK_DDP_COMP_TYPE_MAX,
};

enum mtk_ddp_comp_id {
	DDP_COMPONENT_AAL,
	DDP_COMPONENT_BLS,
	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,
c37813de	39	MTK_DISP_BLS,
119f5173 CH	40	MTK_DDP_COMP_TYPE_MAX,
	41	};
	42
	43	enum mtk_ddp_comp_id {
	44	DDP_COMPONENT_AAL,
c37813de	45	DDP_COMPONENT_BLS,
119f5173 CH	46	DDP_COMPONENT_COLOR0,
	47	DDP_COMPONENT_COLOR1,
	48	DDP_COMPONENT_DPI0,
	49	DDP_COMPONENT_DSI0,
	50	DDP_COMPONENT_DSI1,
	51	DDP_COMPONENT_GAMMA,
	52	DDP_COMPONENT_OD,
	53	DDP_COMPONENT_OVL0,
	54	DDP_COMPONENT_OVL1,
	55	DDP_COMPONENT_PWM0,
	56	DDP_COMPONENT_PWM1,
	57	DDP_COMPONENT_RDMA0,
	58	DDP_COMPONENT_RDMA1,
	59	DDP_COMPONENT_RDMA2,
	60	DDP_COMPONENT_UFOE,
	61	DDP_COMPONENT_WDMA0,
	62	DDP_COMPONENT_WDMA1,
	63	DDP_COMPONENT_ID_MAX,
	64	};
	65
	66	struct mtk_ddp_comp;
	67
	68	struct mtk_ddp_comp_funcs {
	69	void (config)(struct mtk_ddp_comp comp, unsigned int w,
72164364	70	unsigned int h, unsigned int vrefresh, unsigned int bpc);
119f5173 CH	71	void (start)(struct mtk_ddp_comp comp);
	72	void (stop)(struct mtk_ddp_comp comp);
	73	void (enable_vblank)(struct mtk_ddp_comp comp, struct drm_crtc *crtc);
	74	void (disable_vblank)(struct mtk_ddp_comp comp);
	75	void (layer_on)(struct mtk_ddp_comp comp, unsigned int idx);
	76	void (layer_off)(struct mtk_ddp_comp comp, unsigned int idx);
	77	void (layer_config)(struct mtk_ddp_comp comp, unsigned int idx,
	78	struct mtk_plane_state *state);
2f3f4dda BH	79	void (gamma_set)(struct mtk_ddp_comp comp,
2f3f4dda BH	80	struct drm_crtc_state *state);
119f5173 CH	81	};
	82
	83	struct mtk_ddp_comp {
	84	struct clk *clk;
	85	void __iomem *regs;
	86	int irq;
	87	struct device *larb_dev;
	88	enum mtk_ddp_comp_id id;
	89	const struct mtk_ddp_comp_funcs *funcs;
	90	};
	91
	92	static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
	93	unsigned int w, unsigned int h,
72164364	94	unsigned int vrefresh, unsigned int bpc)
119f5173 CH	95	{
119f5173 CH	96	if (comp->funcs && comp->funcs->config)
72164364	97	comp->funcs->config(comp, w, h, vrefresh, bpc);
119f5173 CH	98	}
	99
	100	static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
	101	{
	102	if (comp->funcs && comp->funcs->start)
	103	comp->funcs->start(comp);
	104	}
	105
	106	static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
	107	{
	108	if (comp->funcs && comp->funcs->stop)
	109	comp->funcs->stop(comp);
	110	}
	111
	112	static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
	113	struct drm_crtc *crtc)
	114	{
	115	if (comp->funcs && comp->funcs->enable_vblank)
	116	comp->funcs->enable_vblank(comp, crtc);
	117	}
	118
	119	static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
	120	{
	121	if (comp->funcs && comp->funcs->disable_vblank)
	122	comp->funcs->disable_vblank(comp);
	123	}
	124
	125	static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
	126	unsigned int idx)
	127	{
	128	if (comp->funcs && comp->funcs->layer_on)
	129	comp->funcs->layer_on(comp, idx);
	130	}
	131
	132	static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
	133	unsigned int idx)
	134	{
	135	if (comp->funcs && comp->funcs->layer_off)
	136	comp->funcs->layer_off(comp, idx);
	137	}
	138
	139	static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
	140	unsigned int idx,
	141	struct mtk_plane_state *state)
	142	{
	143	if (comp->funcs && comp->funcs->layer_config)
	144	comp->funcs->layer_config(comp, idx, state);
	145	}
	146
2f3f4dda BH	147	static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
	148	struct drm_crtc_state *state)
	149	{
	150	if (comp->funcs && comp->funcs->gamma_set)
	151	comp->funcs->gamma_set(comp, state);
	152	}
	153
119f5173 CH	154	int mtk_ddp_comp_get_id(struct device_node *node,
	155	enum mtk_ddp_comp_type comp_type);
	156	int mtk_ddp_comp_init(struct device dev, struct device_node comp_node,
	157	struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
	158	const struct mtk_ddp_comp_funcs *funcs);
	159	int mtk_ddp_comp_register(struct drm_device drm, struct mtk_ddp_comp comp);
	160	void mtk_ddp_comp_unregister(struct drm_device drm, struct mtk_ddp_comp comp);
72164364 BH	161	void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
72164364 BH	162	unsigned int CFG);
119f5173 CH	163
119f5173 CH	164	#endif /* MTK_DRM_DDP_COMP_H */