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_AAL,
 22	MTK_DISP_BLS,
 23	MTK_DISP_CCORR,
 24	MTK_DISP_COLOR,
 25	MTK_DISP_DITHER,
 26	MTK_DISP_DSC,
 27	MTK_DISP_GAMMA,
 28	MTK_DISP_MERGE,
 29	MTK_DISP_MUTEX,
 30	MTK_DISP_OD,
 31	MTK_DISP_OVL,
 32	MTK_DISP_OVL_2L,
 33	MTK_DISP_POSTMASK,
 34	MTK_DISP_PWM,
 35	MTK_DISP_RDMA,
 36	MTK_DISP_UFOE,
 37	MTK_DISP_WDMA,
 38	MTK_DPI,
 39	MTK_DP_INTF,
 40	MTK_DSI,
 41	MTK_DDP_COMP_TYPE_MAX,
 42};
 43
 44struct mtk_ddp_comp;
 45struct cmdq_pkt;
 46struct mtk_ddp_comp_funcs {
 47	int (*clk_enable)(struct device *dev);
 48	void (*clk_disable)(struct device *dev);
 49	void (*config)(struct device *dev, unsigned int w,
 50		       unsigned int h, unsigned int vrefresh,
 51		       unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
 52	void (*start)(struct device *dev);
 53	void (*stop)(struct device *dev);
 54	void (*register_vblank_cb)(struct device *dev,
 55				   void (*vblank_cb)(void *),
 56				   void *vblank_cb_data);
 57	void (*unregister_vblank_cb)(struct device *dev);
 58	void (*enable_vblank)(struct device *dev);
 59	void (*disable_vblank)(struct device *dev);
 60	unsigned int (*supported_rotations)(struct device *dev);
 61	unsigned int (*layer_nr)(struct device *dev);
 62	int (*layer_check)(struct device *dev,
 63			   unsigned int idx,
 64			   struct mtk_plane_state *state);
 65	void (*layer_config)(struct device *dev, unsigned int idx,
 66			     struct mtk_plane_state *state,
 67			     struct cmdq_pkt *cmdq_pkt);
 68	void (*gamma_set)(struct device *dev,
 69			  struct drm_crtc_state *state);
 70	void (*bgclr_in_on)(struct device *dev);
 71	void (*bgclr_in_off)(struct device *dev);
 72	void (*ctm_set)(struct device *dev,
 73			struct drm_crtc_state *state);
 74};
 75
 76struct mtk_ddp_comp {
 77	struct device *dev;
 78	int irq;
 79	enum mtk_ddp_comp_id id;
 80	const struct mtk_ddp_comp_funcs *funcs;
 81};
 82
 83static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
 84{
 85	if (comp->funcs && comp->funcs->clk_enable)
 86		return comp->funcs->clk_enable(comp->dev);
 87
 88	return 0;
 89}
 90
 91static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
 92{
 93	if (comp->funcs && comp->funcs->clk_disable)
 94		comp->funcs->clk_disable(comp->dev);
 95}
 96
 97static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
 98				       unsigned int w, unsigned int h,
 99				       unsigned int vrefresh, unsigned int bpc,
100				       struct cmdq_pkt *cmdq_pkt)
101{
102	if (comp->funcs && comp->funcs->config)
103		comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
104}
105
106static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
107{
108	if (comp->funcs && comp->funcs->start)
109		comp->funcs->start(comp->dev);
110}
111
112static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
113{
114	if (comp->funcs && comp->funcs->stop)
115		comp->funcs->stop(comp->dev);
116}
117
118static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
119						   void (*vblank_cb)(void *),
120						   void *vblank_cb_data)
121{
122	if (comp->funcs && comp->funcs->register_vblank_cb)
123		comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
124						vblank_cb_data);
125}
126
127static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
128{
129	if (comp->funcs && comp->funcs->unregister_vblank_cb)
130		comp->funcs->unregister_vblank_cb(comp->dev);
131}
132
133static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
134{
135	if (comp->funcs && comp->funcs->enable_vblank)
136		comp->funcs->enable_vblank(comp->dev);
137}
138
139static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
140{
141	if (comp->funcs && comp->funcs->disable_vblank)
142		comp->funcs->disable_vblank(comp->dev);
143}
144
145static inline
146unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
147{
148	if (comp->funcs && comp->funcs->supported_rotations)
149		return comp->funcs->supported_rotations(comp->dev);
150
151	return 0;
152}
153
154static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
155{
156	if (comp->funcs && comp->funcs->layer_nr)
157		return comp->funcs->layer_nr(comp->dev);
158
159	return 0;
160}
161
162static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
163					   unsigned int idx,
164					   struct mtk_plane_state *state)
165{
166	if (comp->funcs && comp->funcs->layer_check)
167		return comp->funcs->layer_check(comp->dev, idx, state);
168	return 0;
169}
170
171static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
172					     unsigned int idx,
173					     struct mtk_plane_state *state,
174					     struct cmdq_pkt *cmdq_pkt)
175{
176	if (comp->funcs && comp->funcs->layer_config)
177		comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
178}
179
180static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
181				     struct drm_crtc_state *state)
182{
183	if (comp->funcs && comp->funcs->gamma_set)
184		comp->funcs->gamma_set(comp->dev, state);
185}
186
187static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
188{
189	if (comp->funcs && comp->funcs->bgclr_in_on)
190		comp->funcs->bgclr_in_on(comp->dev);
191}
192
193static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
194{
195	if (comp->funcs && comp->funcs->bgclr_in_off)
196		comp->funcs->bgclr_in_off(comp->dev);
197}
198
199static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
200				   struct drm_crtc_state *state)
201{
202	if (comp->funcs && comp->funcs->ctm_set)
203		comp->funcs->ctm_set(comp->dev, state);
204}
205
206int mtk_ddp_comp_get_id(struct device_node *node,
207			enum mtk_ddp_comp_type comp_type);
208unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
209						struct device *dev);
210int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
211		      enum mtk_ddp_comp_id comp_id);
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 cmdq_client_reg *cmdq_reg, void __iomem *regs,
215		   unsigned int offset);
216void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
217			   struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
218			   unsigned int offset);
219void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
220			struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
221			unsigned int offset, unsigned int mask);
222#endif /* MTK_DRM_DDP_COMP_H */