1/* SPDX-License-Identifier: GPL-2.0-only */
  2/*
  3 * Copyright (c) 2015 MediaTek Inc.
  4 */
  5
  6#ifndef MTK_DRM_DDP_COMP_H
  7#define MTK_DRM_DDP_COMP_H
  8
  9#include <linux/io.h>
 10
 11struct device;
 12struct device_node;
 13struct drm_crtc;
 14struct drm_device;
 15struct mtk_plane_state;
 16struct drm_crtc_state;
 17
 18enum mtk_ddp_comp_type {
 19	MTK_DISP_OVL,
 20	MTK_DISP_OVL_2L,
 21	MTK_DISP_RDMA,
 22	MTK_DISP_WDMA,
 23	MTK_DISP_COLOR,
 24	MTK_DISP_CCORR,
 25	MTK_DISP_DITHER,
 26	MTK_DISP_AAL,
 27	MTK_DISP_GAMMA,
 28	MTK_DISP_UFOE,
 29	MTK_DSI,
 30	MTK_DPI,
 31	MTK_DISP_PWM,
 32	MTK_DISP_MUTEX,
 33	MTK_DISP_OD,
 34	MTK_DISP_BLS,
 35	MTK_DDP_COMP_TYPE_MAX,
 36};
 37
 38enum mtk_ddp_comp_id {
 39	DDP_COMPONENT_AAL0,
 40	DDP_COMPONENT_AAL1,
 41	DDP_COMPONENT_BLS,
 42	DDP_COMPONENT_CCORR,
 43	DDP_COMPONENT_COLOR0,
 44	DDP_COMPONENT_COLOR1,
 45	DDP_COMPONENT_DITHER,
 46	DDP_COMPONENT_DPI0,
 47	DDP_COMPONENT_DPI1,
 48	DDP_COMPONENT_DSI0,
 49	DDP_COMPONENT_DSI1,
 50	DDP_COMPONENT_DSI2,
 51	DDP_COMPONENT_DSI3,
 52	DDP_COMPONENT_GAMMA,
 53	DDP_COMPONENT_OD0,
 54	DDP_COMPONENT_OD1,
 55	DDP_COMPONENT_OVL0,
 56	DDP_COMPONENT_OVL_2L0,
 57	DDP_COMPONENT_OVL_2L1,
 58	DDP_COMPONENT_OVL1,
 59	DDP_COMPONENT_PWM0,
 60	DDP_COMPONENT_PWM1,
 61	DDP_COMPONENT_PWM2,
 62	DDP_COMPONENT_RDMA0,
 63	DDP_COMPONENT_RDMA1,
 64	DDP_COMPONENT_RDMA2,
 65	DDP_COMPONENT_UFOE,
 66	DDP_COMPONENT_WDMA0,
 67	DDP_COMPONENT_WDMA1,
 68	DDP_COMPONENT_ID_MAX,
 69};
 70
 71struct mtk_ddp_comp;
 72struct cmdq_pkt;
 73struct mtk_ddp_comp_funcs {
 74	void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
 75		       unsigned int h, unsigned int vrefresh,
 76		       unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
 77	void (*start)(struct mtk_ddp_comp *comp);
 78	void (*stop)(struct mtk_ddp_comp *comp);
 79	void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
 80	void (*disable_vblank)(struct mtk_ddp_comp *comp);
 81	unsigned int (*supported_rotations)(struct mtk_ddp_comp *comp);
 82	unsigned int (*layer_nr)(struct mtk_ddp_comp *comp);
 83	int (*layer_check)(struct mtk_ddp_comp *comp,
 84			   unsigned int idx,
 85			   struct mtk_plane_state *state);
 86	void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
 87			     struct mtk_plane_state *state,
 88			     struct cmdq_pkt *cmdq_pkt);
 89	void (*gamma_set)(struct mtk_ddp_comp *comp,
 90			  struct drm_crtc_state *state);
 91	void (*bgclr_in_on)(struct mtk_ddp_comp *comp);
 92	void (*bgclr_in_off)(struct mtk_ddp_comp *comp);
 93	void (*ctm_set)(struct mtk_ddp_comp *comp,
 94			struct drm_crtc_state *state);
 95};
 96
 97struct mtk_ddp_comp {
 98	struct clk *clk;
 99	void __iomem *regs;
100	int irq;
101	struct device *larb_dev;
102	enum mtk_ddp_comp_id id;
103	const struct mtk_ddp_comp_funcs *funcs;
104	resource_size_t regs_pa;
105	u8 subsys;
106};
107
108static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
109				       unsigned int w, unsigned int h,
110				       unsigned int vrefresh, unsigned int bpc,
111				       struct cmdq_pkt *cmdq_pkt)
112{
113	if (comp->funcs && comp->funcs->config)
114		comp->funcs->config(comp, w, h, vrefresh, bpc, cmdq_pkt);
115}
116
117static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
118{
119	if (comp->funcs && comp->funcs->start)
120		comp->funcs->start(comp);
121}
122
123static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
124{
125	if (comp->funcs && comp->funcs->stop)
126		comp->funcs->stop(comp);
127}
128
129static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
130					      struct drm_crtc *crtc)
131{
132	if (comp->funcs && comp->funcs->enable_vblank)
133		comp->funcs->enable_vblank(comp, crtc);
134}
135
136static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
137{
138	if (comp->funcs && comp->funcs->disable_vblank)
139		comp->funcs->disable_vblank(comp);
140}
141
142static inline
143unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
144{
145	if (comp->funcs && comp->funcs->supported_rotations)
146		return comp->funcs->supported_rotations(comp);
147
148	return 0;
149}
150
151static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
152{
153	if (comp->funcs && comp->funcs->layer_nr)
154		return comp->funcs->layer_nr(comp);
155
156	return 0;
157}
158
159static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
160					   unsigned int idx,
161					   struct mtk_plane_state *state)
162{
163	if (comp->funcs && comp->funcs->layer_check)
164		return comp->funcs->layer_check(comp, idx, state);
165	return 0;
166}
167
168static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
169					     unsigned int idx,
170					     struct mtk_plane_state *state,
171					     struct cmdq_pkt *cmdq_pkt)
172{
173	if (comp->funcs && comp->funcs->layer_config)
174		comp->funcs->layer_config(comp, idx, state, cmdq_pkt);
175}
176
177static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
178				     struct drm_crtc_state *state)
179{
180	if (comp->funcs && comp->funcs->gamma_set)
181		comp->funcs->gamma_set(comp, state);
182}
183
184static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
185{
186	if (comp->funcs && comp->funcs->bgclr_in_on)
187		comp->funcs->bgclr_in_on(comp);
188}
189
190static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
191{
192	if (comp->funcs && comp->funcs->bgclr_in_off)
193		comp->funcs->bgclr_in_off(comp);
194}
195
196static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
197				   struct drm_crtc_state *state)
198{
199	if (comp->funcs && comp->funcs->ctm_set)
200		comp->funcs->ctm_set(comp, state);
201}
202
203int mtk_ddp_comp_get_id(struct device_node *node,
204			enum mtk_ddp_comp_type comp_type);
205int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
206		      struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
207		      const struct mtk_ddp_comp_funcs *funcs);
208int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
209void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
210void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
211		    unsigned int CFG, struct cmdq_pkt *cmdq_pkt);
212enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
213void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
214		   struct mtk_ddp_comp *comp, unsigned int offset);
215void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
216			   struct mtk_ddp_comp *comp, unsigned int offset);
217void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
218			struct mtk_ddp_comp *comp, unsigned int offset,
219			unsigned int mask);
220#endif /* MTK_DRM_DDP_COMP_H */