drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h

   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
  11 struct device;
  12 struct device_node;
  13 struct drm_crtc;
  14 struct drm_device;
  15 struct mtk_plane_state;
  16 struct drm_crtc_state;
  17
  18 enum 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
  38 enum 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
  71 struct mtk_ddp_comp;
  72 struct cmdq_pkt;
  73 struct 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
  97 struct 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
 108 static 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
 117 static 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
 123 static 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
 129 static 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
 136 static 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
 142 static inline
 143 unsigned 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
 151 static 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
 159 static 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
 168 static 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
 177 static 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
 184 static 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
 190 static 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
 196 static 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
 203 int mtk_ddp_comp_get_id(struct device_node *node,
 204                         enum mtk_ddp_comp_type comp_type);
 205 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
 206                                                 struct mtk_ddp_comp ddp_comp);
 207 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
 208                       struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
 209                       const struct mtk_ddp_comp_funcs *funcs);
 210 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
 211 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
 212 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
 213                     unsigned int CFG, struct cmdq_pkt *cmdq_pkt);
 214 enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
 215 void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 216                    struct mtk_ddp_comp *comp, unsigned int offset);
 217 void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 218                            struct mtk_ddp_comp *comp, unsigned int offset);
 219 void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 220                         struct mtk_ddp_comp *comp, unsigned int offset,
 221                         unsigned int mask);
 222 #endif /* MTK_DRM_DDP_COMP_H */