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#include <linux/soc/mediatek/mtk-cmdq.h>
 11#include <linux/soc/mediatek/mtk-mmsys.h>
 12
 13struct device;
 14struct device_node;
 15struct drm_crtc;
 16struct drm_device;
 17struct mtk_plane_state;
 18struct drm_crtc_state;
 19
 20enum mtk_ddp_comp_type {
 21	MTK_DISP_OVL,
 22	MTK_DISP_OVL_2L,
 23	MTK_DISP_RDMA,
 24	MTK_DISP_WDMA,
 25	MTK_DISP_COLOR,
 26	MTK_DISP_CCORR,
 27	MTK_DISP_DITHER,
 28	MTK_DISP_AAL,
 29	MTK_DISP_GAMMA,
 30	MTK_DISP_UFOE,
 31	MTK_DSI,
 32	MTK_DPI,
 33	MTK_DISP_PWM,
 34	MTK_DISP_MUTEX,
 35	MTK_DISP_OD,
 36	MTK_DISP_BLS,
 37	MTK_DDP_COMP_TYPE_MAX,
 38};
 39
 40struct mtk_ddp_comp;
 41struct cmdq_pkt;
 42struct mtk_ddp_comp_funcs {
 43	int (*clk_enable)(struct device *dev);
 44	void (*clk_disable)(struct device *dev);
 45	void (*config)(struct device *dev, unsigned int w,
 46		       unsigned int h, unsigned int vrefresh,
 47		       unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
 48	void (*start)(struct device *dev);
 49	void (*stop)(struct device *dev);
 50	void (*enable_vblank)(struct device *dev,
 51			      void (*vblank_cb)(void *),
 52			      void *vblank_cb_data);
 53	void (*disable_vblank)(struct device *dev);
 54	unsigned int (*supported_rotations)(struct device *dev);
 55	unsigned int (*layer_nr)(struct device *dev);
 56	int (*layer_check)(struct device *dev,
 57			   unsigned int idx,
 58			   struct mtk_plane_state *state);
 59	void (*layer_config)(struct device *dev, unsigned int idx,
 60			     struct mtk_plane_state *state,
 61			     struct cmdq_pkt *cmdq_pkt);
 62	void (*gamma_set)(struct device *dev,
 63			  struct drm_crtc_state *state);
 64	void (*bgclr_in_on)(struct device *dev);
 65	void (*bgclr_in_off)(struct device *dev);
 66	void (*ctm_set)(struct device *dev,
 67			struct drm_crtc_state *state);
 68};
 69
 70struct mtk_ddp_comp {
 71	struct device *dev;
 72	int irq;
 73	struct device *larb_dev;
 74	enum mtk_ddp_comp_id id;
 75	const struct mtk_ddp_comp_funcs *funcs;
 76};
 77
 78static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
 79{
 80	if (comp->funcs && comp->funcs->clk_enable)
 81		return comp->funcs->clk_enable(comp->dev);
 82
 83	return 0;
 84}
 85
 86static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
 87{
 88	if (comp->funcs && comp->funcs->clk_disable)
 89		comp->funcs->clk_disable(comp->dev);
 90}
 91
 92static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
 93				       unsigned int w, unsigned int h,
 94				       unsigned int vrefresh, unsigned int bpc,
 95				       struct cmdq_pkt *cmdq_pkt)
 96{
 97	if (comp->funcs && comp->funcs->config)
 98		comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
 99}
100
101static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
102{
103	if (comp->funcs && comp->funcs->start)
104		comp->funcs->start(comp->dev);
105}
106
107static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
108{
109	if (comp->funcs && comp->funcs->stop)
110		comp->funcs->stop(comp->dev);
111}
112
113static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
114					      void (*vblank_cb)(void *),
115					      void *vblank_cb_data)
116{
117	if (comp->funcs && comp->funcs->enable_vblank)
118		comp->funcs->enable_vblank(comp->dev, vblank_cb, vblank_cb_data);
119}
120
121static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
122{
123	if (comp->funcs && comp->funcs->disable_vblank)
124		comp->funcs->disable_vblank(comp->dev);
125}
126
127static inline
128unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
129{
130	if (comp->funcs && comp->funcs->supported_rotations)
131		return comp->funcs->supported_rotations(comp->dev);
132
133	return 0;
134}
135
136static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
137{
138	if (comp->funcs && comp->funcs->layer_nr)
139		return comp->funcs->layer_nr(comp->dev);
140
141	return 0;
142}
143
144static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
145					   unsigned int idx,
146					   struct mtk_plane_state *state)
147{
148	if (comp->funcs && comp->funcs->layer_check)
149		return comp->funcs->layer_check(comp->dev, idx, state);
150	return 0;
151}
152
153static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
154					     unsigned int idx,
155					     struct mtk_plane_state *state,
156					     struct cmdq_pkt *cmdq_pkt)
157{
158	if (comp->funcs && comp->funcs->layer_config)
159		comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
160}
161
162static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
163				     struct drm_crtc_state *state)
164{
165	if (comp->funcs && comp->funcs->gamma_set)
166		comp->funcs->gamma_set(comp->dev, state);
167}
168
169static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
170{
171	if (comp->funcs && comp->funcs->bgclr_in_on)
172		comp->funcs->bgclr_in_on(comp->dev);
173}
174
175static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
176{
177	if (comp->funcs && comp->funcs->bgclr_in_off)
178		comp->funcs->bgclr_in_off(comp->dev);
179}
180
181static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
182				   struct drm_crtc_state *state)
183{
184	if (comp->funcs && comp->funcs->ctm_set)
185		comp->funcs->ctm_set(comp->dev, state);
186}
187
188int mtk_ddp_comp_get_id(struct device_node *node,
189			enum mtk_ddp_comp_type comp_type);
190unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
191						struct device *dev);
192int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
193		      enum mtk_ddp_comp_id comp_id);
194enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
195void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
196		   struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
197		   unsigned int offset);
198void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
199			   struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
200			   unsigned int offset);
201void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
202			struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
203			unsigned int offset, unsigned int mask);
204#endif /* MTK_DRM_DDP_COMP_H */