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
  73 struct mtk_ddp_comp_funcs {
  74         void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
  75                        unsigned int h, unsigned int vrefresh, unsigned int bpc);
  76         void (*start)(struct mtk_ddp_comp *comp);
  77         void (*stop)(struct mtk_ddp_comp *comp);
  78         void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
  79         void (*disable_vblank)(struct mtk_ddp_comp *comp);
  80         unsigned int (*supported_rotations)(struct mtk_ddp_comp *comp);
  81         unsigned int (*layer_nr)(struct mtk_ddp_comp *comp);
  82         void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx);
  83         void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx);
  84         int (*layer_check)(struct mtk_ddp_comp *comp,
  85                            unsigned int idx,
  86                            struct mtk_plane_state *state);
  87         void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
  88                              struct mtk_plane_state *state);
  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 };
  94
  95 struct mtk_ddp_comp {
  96         struct clk *clk;
  97         void __iomem *regs;
  98         int irq;
  99         struct device *larb_dev;
 100         enum mtk_ddp_comp_id id;
 101         const struct mtk_ddp_comp_funcs *funcs;
 102 };
 103
 104 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
 105                                        unsigned int w, unsigned int h,
 106                                        unsigned int vrefresh, unsigned int bpc)
 107 {
 108         if (comp->funcs && comp->funcs->config)
 109                 comp->funcs->config(comp, w, h, vrefresh, bpc);
 110 }
 111
 112 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
 113 {
 114         if (comp->funcs && comp->funcs->start)
 115                 comp->funcs->start(comp);
 116 }
 117
 118 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
 119 {
 120         if (comp->funcs && comp->funcs->stop)
 121                 comp->funcs->stop(comp);
 122 }
 123
 124 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
 125                                               struct drm_crtc *crtc)
 126 {
 127         if (comp->funcs && comp->funcs->enable_vblank)
 128                 comp->funcs->enable_vblank(comp, crtc);
 129 }
 130
 131 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
 132 {
 133         if (comp->funcs && comp->funcs->disable_vblank)
 134                 comp->funcs->disable_vblank(comp);
 135 }
 136
 137 static inline
 138 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
 139 {
 140         if (comp->funcs && comp->funcs->supported_rotations)
 141                 return comp->funcs->supported_rotations(comp);
 142
 143         return 0;
 144 }
 145
 146 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
 147 {
 148         if (comp->funcs && comp->funcs->layer_nr)
 149                 return comp->funcs->layer_nr(comp);
 150
 151         return 0;
 152 }
 153
 154 static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp,
 155                                          unsigned int idx)
 156 {
 157         if (comp->funcs && comp->funcs->layer_on)
 158                 comp->funcs->layer_on(comp, idx);
 159 }
 160
 161 static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp,
 162                                           unsigned int idx)
 163 {
 164         if (comp->funcs && comp->funcs->layer_off)
 165                 comp->funcs->layer_off(comp, idx);
 166 }
 167
 168 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
 169                                            unsigned int idx,
 170                                            struct mtk_plane_state *state)
 171 {
 172         if (comp->funcs && comp->funcs->layer_check)
 173                 return comp->funcs->layer_check(comp, idx, state);
 174         return 0;
 175 }
 176
 177 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
 178                                              unsigned int idx,
 179                                              struct mtk_plane_state *state)
 180 {
 181         if (comp->funcs && comp->funcs->layer_config)
 182                 comp->funcs->layer_config(comp, idx, state);
 183 }
 184
 185 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
 186                                      struct drm_crtc_state *state)
 187 {
 188         if (comp->funcs && comp->funcs->gamma_set)
 189                 comp->funcs->gamma_set(comp, state);
 190 }
 191
 192 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
 193 {
 194         if (comp->funcs && comp->funcs->bgclr_in_on)
 195                 comp->funcs->bgclr_in_on(comp);
 196 }
 197
 198 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
 199 {
 200         if (comp->funcs && comp->funcs->bgclr_in_off)
 201                 comp->funcs->bgclr_in_off(comp);
 202 }
 203
 204 int mtk_ddp_comp_get_id(struct device_node *node,
 205                         enum mtk_ddp_comp_type comp_type);
 206 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
 207                       struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
 208                       const struct mtk_ddp_comp_funcs *funcs);
 209 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
 210 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
 211 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
 212                     unsigned int CFG);
 213
 214 #endif /* MTK_DRM_DDP_COMP_H */