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 #include <linux/soc/mediatek/mtk-cmdq.h>
  11 #include <linux/soc/mediatek/mtk-mmsys.h>
  12 #include <linux/soc/mediatek/mtk-mutex.h>
  13
  14 struct device;
  15 struct device_node;
  16 struct drm_crtc;
  17 struct drm_device;
  18 struct mtk_plane_state;
  19 struct drm_crtc_state;
  20
  21 enum mtk_ddp_comp_type {
  22         MTK_DISP_AAL,
  23         MTK_DISP_BLS,
  24         MTK_DISP_CCORR,
  25         MTK_DISP_COLOR,
  26         MTK_DISP_DITHER,
  27         MTK_DISP_DSC,
  28         MTK_DISP_GAMMA,
  29         MTK_DISP_MERGE,
  30         MTK_DISP_MUTEX,
  31         MTK_DISP_OD,
  32         MTK_DISP_OVL,
  33         MTK_DISP_OVL_2L,
  34         MTK_DISP_OVL_ADAPTOR,
  35         MTK_DISP_POSTMASK,
  36         MTK_DISP_PWM,
  37         MTK_DISP_RDMA,
  38         MTK_DISP_UFOE,
  39         MTK_DISP_WDMA,
  40         MTK_DPI,
  41         MTK_DP_INTF,
  42         MTK_DSI,
  43         MTK_DDP_COMP_TYPE_MAX,
  44 };
  45
  46 struct mtk_ddp_comp;
  47 struct cmdq_pkt;
  48 struct mtk_ddp_comp_funcs {
  49         int (*clk_enable)(struct device *dev);
  50         void (*clk_disable)(struct device *dev);
  51         void (*config)(struct device *dev, unsigned int w,
  52                        unsigned int h, unsigned int vrefresh,
  53                        unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
  54         void (*start)(struct device *dev);
  55         void (*stop)(struct device *dev);
  56         void (*register_vblank_cb)(struct device *dev,
  57                                    void (*vblank_cb)(void *),
  58                                    void *vblank_cb_data);
  59         void (*unregister_vblank_cb)(struct device *dev);
  60         void (*enable_vblank)(struct device *dev);
  61         void (*disable_vblank)(struct device *dev);
  62         unsigned int (*supported_rotations)(struct device *dev);
  63         unsigned int (*layer_nr)(struct device *dev);
  64         int (*layer_check)(struct device *dev,
  65                            unsigned int idx,
  66                            struct mtk_plane_state *state);
  67         void (*layer_config)(struct device *dev, unsigned int idx,
  68                              struct mtk_plane_state *state,
  69                              struct cmdq_pkt *cmdq_pkt);
  70         void (*gamma_set)(struct device *dev,
  71                           struct drm_crtc_state *state);
  72         void (*bgclr_in_on)(struct device *dev);
  73         void (*bgclr_in_off)(struct device *dev);
  74         void (*ctm_set)(struct device *dev,
  75                         struct drm_crtc_state *state);
  76         struct device * (*dma_dev_get)(struct device *dev);
  77         const u32 *(*get_formats)(struct device *dev);
  78         size_t (*get_num_formats)(struct device *dev);
  79         void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
  80         void (*disconnect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
  81         void (*add)(struct device *dev, struct mtk_mutex *mutex);
  82         void (*remove)(struct device *dev, struct mtk_mutex *mutex);
  83 };
  84
  85 struct mtk_ddp_comp {
  86         struct device *dev;
  87         int irq;
  88         unsigned int id;
  89         const struct mtk_ddp_comp_funcs *funcs;
  90 };
  91
  92 static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
  93 {
  94         if (comp->funcs && comp->funcs->clk_enable)
  95                 return comp->funcs->clk_enable(comp->dev);
  96
  97         return 0;
  98 }
  99
 100 static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
 101 {
 102         if (comp->funcs && comp->funcs->clk_disable)
 103                 comp->funcs->clk_disable(comp->dev);
 104 }
 105
 106 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
 107                                        unsigned int w, unsigned int h,
 108                                        unsigned int vrefresh, unsigned int bpc,
 109                                        struct cmdq_pkt *cmdq_pkt)
 110 {
 111         if (comp->funcs && comp->funcs->config)
 112                 comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
 113 }
 114
 115 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
 116 {
 117         if (comp->funcs && comp->funcs->start)
 118                 comp->funcs->start(comp->dev);
 119 }
 120
 121 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
 122 {
 123         if (comp->funcs && comp->funcs->stop)
 124                 comp->funcs->stop(comp->dev);
 125 }
 126
 127 static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
 128                                                    void (*vblank_cb)(void *),
 129                                                    void *vblank_cb_data)
 130 {
 131         if (comp->funcs && comp->funcs->register_vblank_cb)
 132                 comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
 133                                                 vblank_cb_data);
 134 }
 135
 136 static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
 137 {
 138         if (comp->funcs && comp->funcs->unregister_vblank_cb)
 139                 comp->funcs->unregister_vblank_cb(comp->dev);
 140 }
 141
 142 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
 143 {
 144         if (comp->funcs && comp->funcs->enable_vblank)
 145                 comp->funcs->enable_vblank(comp->dev);
 146 }
 147
 148 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
 149 {
 150         if (comp->funcs && comp->funcs->disable_vblank)
 151                 comp->funcs->disable_vblank(comp->dev);
 152 }
 153
 154 static inline
 155 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
 156 {
 157         if (comp->funcs && comp->funcs->supported_rotations)
 158                 return comp->funcs->supported_rotations(comp->dev);
 159
 160         return 0;
 161 }
 162
 163 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
 164 {
 165         if (comp->funcs && comp->funcs->layer_nr)
 166                 return comp->funcs->layer_nr(comp->dev);
 167
 168         return 0;
 169 }
 170
 171 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
 172                                            unsigned int idx,
 173                                            struct mtk_plane_state *state)
 174 {
 175         if (comp->funcs && comp->funcs->layer_check)
 176                 return comp->funcs->layer_check(comp->dev, idx, state);
 177         return 0;
 178 }
 179
 180 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
 181                                              unsigned int idx,
 182                                              struct mtk_plane_state *state,
 183                                              struct cmdq_pkt *cmdq_pkt)
 184 {
 185         if (comp->funcs && comp->funcs->layer_config)
 186                 comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
 187 }
 188
 189 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
 190                                      struct drm_crtc_state *state)
 191 {
 192         if (comp->funcs && comp->funcs->gamma_set)
 193                 comp->funcs->gamma_set(comp->dev, state);
 194 }
 195
 196 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
 197 {
 198         if (comp->funcs && comp->funcs->bgclr_in_on)
 199                 comp->funcs->bgclr_in_on(comp->dev);
 200 }
 201
 202 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
 203 {
 204         if (comp->funcs && comp->funcs->bgclr_in_off)
 205                 comp->funcs->bgclr_in_off(comp->dev);
 206 }
 207
 208 static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
 209                                    struct drm_crtc_state *state)
 210 {
 211         if (comp->funcs && comp->funcs->ctm_set)
 212                 comp->funcs->ctm_set(comp->dev, state);
 213 }
 214
 215 static inline struct device *mtk_ddp_comp_dma_dev_get(struct mtk_ddp_comp *comp)
 216 {
 217         if (comp->funcs && comp->funcs->dma_dev_get)
 218                 return comp->funcs->dma_dev_get(comp->dev);
 219         return comp->dev;
 220 }
 221
 222 static inline
 223 const u32 *mtk_ddp_comp_get_formats(struct mtk_ddp_comp *comp)
 224 {
 225         if (comp->funcs && comp->funcs->get_formats)
 226                 return comp->funcs->get_formats(comp->dev);
 227
 228         return NULL;
 229 }
 230
 231 static inline
 232 size_t mtk_ddp_comp_get_num_formats(struct mtk_ddp_comp *comp)
 233 {
 234         if (comp->funcs && comp->funcs->get_num_formats)
 235                 return comp->funcs->get_num_formats(comp->dev);
 236
 237         return 0;
 238 }
 239
 240 static inline bool mtk_ddp_comp_add(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
 241 {
 242         if (comp->funcs && comp->funcs->add) {
 243                 comp->funcs->add(comp->dev, mutex);
 244                 return true;
 245         }
 246         return false;
 247 }
 248
 249 static inline bool mtk_ddp_comp_remove(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
 250 {
 251         if (comp->funcs && comp->funcs->remove) {
 252                 comp->funcs->remove(comp->dev, mutex);
 253                 return true;
 254         }
 255         return false;
 256 }
 257
 258 static inline bool mtk_ddp_comp_connect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
 259                                         unsigned int next)
 260 {
 261         if (comp->funcs && comp->funcs->connect) {
 262                 comp->funcs->connect(comp->dev, mmsys_dev, next);
 263                 return true;
 264         }
 265         return false;
 266 }
 267
 268 static inline bool mtk_ddp_comp_disconnect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
 269                                            unsigned int next)
 270 {
 271         if (comp->funcs && comp->funcs->disconnect) {
 272                 comp->funcs->disconnect(comp->dev, mmsys_dev, next);
 273                 return true;
 274         }
 275         return false;
 276 }
 277
 278 int mtk_ddp_comp_get_id(struct device_node *node,
 279                         enum mtk_ddp_comp_type comp_type);
 280 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
 281                                                 struct device *dev);
 282 int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
 283                       unsigned int comp_id);
 284 enum mtk_ddp_comp_type mtk_ddp_comp_get_type(unsigned int comp_id);
 285 void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 286                    struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 287                    unsigned int offset);
 288 void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 289                            struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 290                            unsigned int offset);
 291 void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 292                         struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 293                         unsigned int offset, unsigned int mask);
 294 #endif /* MTK_DRM_DDP_COMP_H */