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/pm_runtime.h>
  11 #include <linux/soc/mediatek/mtk-cmdq.h>
  12 #include <linux/soc/mediatek/mtk-mmsys.h>
  13 #include <linux/soc/mediatek/mtk-mutex.h>
  14
  15 struct device;
  16 struct device_node;
  17 struct drm_crtc;
  18 struct drm_device;
  19 struct mtk_plane_state;
  20 struct drm_crtc_state;
  21
  22 enum mtk_ddp_comp_type {
  23         MTK_DISP_AAL,
  24         MTK_DISP_BLS,
  25         MTK_DISP_CCORR,
  26         MTK_DISP_COLOR,
  27         MTK_DISP_DITHER,
  28         MTK_DISP_DSC,
  29         MTK_DISP_GAMMA,
  30         MTK_DISP_MERGE,
  31         MTK_DISP_MUTEX,
  32         MTK_DISP_OD,
  33         MTK_DISP_OVL,
  34         MTK_DISP_OVL_2L,
  35         MTK_DISP_OVL_ADAPTOR,
  36         MTK_DISP_POSTMASK,
  37         MTK_DISP_PWM,
  38         MTK_DISP_RDMA,
  39         MTK_DISP_UFOE,
  40         MTK_DISP_WDMA,
  41         MTK_DPI,
  42         MTK_DP_INTF,
  43         MTK_DSI,
  44         MTK_DDP_COMP_TYPE_MAX,
  45 };
  46
  47 struct mtk_ddp_comp;
  48 struct cmdq_pkt;
  49 struct mtk_ddp_comp_funcs {
  50         int (*power_on)(struct device *dev);
  51         void (*power_off)(struct device *dev);
  52         int (*clk_enable)(struct device *dev);
  53         void (*clk_disable)(struct device *dev);
  54         void (*config)(struct device *dev, unsigned int w,
  55                        unsigned int h, unsigned int vrefresh,
  56                        unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
  57         void (*start)(struct device *dev);
  58         void (*stop)(struct device *dev);
  59         void (*register_vblank_cb)(struct device *dev,
  60                                    void (*vblank_cb)(void *),
  61                                    void *vblank_cb_data);
  62         void (*unregister_vblank_cb)(struct device *dev);
  63         void (*enable_vblank)(struct device *dev);
  64         void (*disable_vblank)(struct device *dev);
  65         unsigned int (*supported_rotations)(struct device *dev);
  66         unsigned int (*layer_nr)(struct device *dev);
  67         int (*layer_check)(struct device *dev,
  68                            unsigned int idx,
  69                            struct mtk_plane_state *state);
  70         void (*layer_config)(struct device *dev, unsigned int idx,
  71                              struct mtk_plane_state *state,
  72                              struct cmdq_pkt *cmdq_pkt);
  73         unsigned int (*gamma_get_lut_size)(struct device *dev);
  74         void (*gamma_set)(struct device *dev,
  75                           struct drm_crtc_state *state);
  76         void (*bgclr_in_on)(struct device *dev);
  77         void (*bgclr_in_off)(struct device *dev);
  78         void (*ctm_set)(struct device *dev,
  79                         struct drm_crtc_state *state);
  80         struct device * (*dma_dev_get)(struct device *dev);
  81         const u32 *(*get_formats)(struct device *dev);
  82         size_t (*get_num_formats)(struct device *dev);
  83         void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
  84         void (*disconnect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
  85         void (*add)(struct device *dev, struct mtk_mutex *mutex);
  86         void (*remove)(struct device *dev, struct mtk_mutex *mutex);
  87         unsigned int (*encoder_index)(struct device *dev);
  88 };
  89
  90 struct mtk_ddp_comp {
  91         struct device *dev;
  92         int irq;
  93         unsigned int id;
  94         int encoder_index;
  95         const struct mtk_ddp_comp_funcs *funcs;
  96 };
  97
  98 static inline int mtk_ddp_comp_power_on(struct mtk_ddp_comp *comp)
  99 {
 100         if (comp->funcs && comp->funcs->power_on)
 101                 return comp->funcs->power_on(comp->dev);
 102         else
 103                 return pm_runtime_resume_and_get(comp->dev);
 104         return 0;
 105 }
 106
 107 static inline void mtk_ddp_comp_power_off(struct mtk_ddp_comp *comp)
 108 {
 109         if (comp->funcs && comp->funcs->power_off)
 110                 comp->funcs->power_off(comp->dev);
 111         else
 112                 pm_runtime_put(comp->dev);
 113 }
 114
 115 static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
 116 {
 117         if (comp->funcs && comp->funcs->clk_enable)
 118                 return comp->funcs->clk_enable(comp->dev);
 119
 120         return 0;
 121 }
 122
 123 static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
 124 {
 125         if (comp->funcs && comp->funcs->clk_disable)
 126                 comp->funcs->clk_disable(comp->dev);
 127 }
 128
 129 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
 130                                        unsigned int w, unsigned int h,
 131                                        unsigned int vrefresh, unsigned int bpc,
 132                                        struct cmdq_pkt *cmdq_pkt)
 133 {
 134         if (comp->funcs && comp->funcs->config)
 135                 comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
 136 }
 137
 138 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
 139 {
 140         if (comp->funcs && comp->funcs->start)
 141                 comp->funcs->start(comp->dev);
 142 }
 143
 144 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
 145 {
 146         if (comp->funcs && comp->funcs->stop)
 147                 comp->funcs->stop(comp->dev);
 148 }
 149
 150 static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
 151                                                    void (*vblank_cb)(void *),
 152                                                    void *vblank_cb_data)
 153 {
 154         if (comp->funcs && comp->funcs->register_vblank_cb)
 155                 comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
 156                                                 vblank_cb_data);
 157 }
 158
 159 static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
 160 {
 161         if (comp->funcs && comp->funcs->unregister_vblank_cb)
 162                 comp->funcs->unregister_vblank_cb(comp->dev);
 163 }
 164
 165 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
 166 {
 167         if (comp->funcs && comp->funcs->enable_vblank)
 168                 comp->funcs->enable_vblank(comp->dev);
 169 }
 170
 171 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
 172 {
 173         if (comp->funcs && comp->funcs->disable_vblank)
 174                 comp->funcs->disable_vblank(comp->dev);
 175 }
 176
 177 static inline
 178 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
 179 {
 180         if (comp->funcs && comp->funcs->supported_rotations)
 181                 return comp->funcs->supported_rotations(comp->dev);
 182
 183         return 0;
 184 }
 185
 186 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
 187 {
 188         if (comp->funcs && comp->funcs->layer_nr)
 189                 return comp->funcs->layer_nr(comp->dev);
 190
 191         return 0;
 192 }
 193
 194 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
 195                                            unsigned int idx,
 196                                            struct mtk_plane_state *state)
 197 {
 198         if (comp->funcs && comp->funcs->layer_check)
 199                 return comp->funcs->layer_check(comp->dev, idx, state);
 200         return 0;
 201 }
 202
 203 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
 204                                              unsigned int idx,
 205                                              struct mtk_plane_state *state,
 206                                              struct cmdq_pkt *cmdq_pkt)
 207 {
 208         if (comp->funcs && comp->funcs->layer_config)
 209                 comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
 210 }
 211
 212 static inline unsigned int mtk_ddp_gamma_get_lut_size(struct mtk_ddp_comp *comp)
 213 {
 214         if (comp->funcs && comp->funcs->gamma_get_lut_size)
 215                 return comp->funcs->gamma_get_lut_size(comp->dev);
 216
 217         return 0;
 218 }
 219
 220 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
 221                                      struct drm_crtc_state *state)
 222 {
 223         if (comp->funcs && comp->funcs->gamma_set)
 224                 comp->funcs->gamma_set(comp->dev, state);
 225 }
 226
 227 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
 228 {
 229         if (comp->funcs && comp->funcs->bgclr_in_on)
 230                 comp->funcs->bgclr_in_on(comp->dev);
 231 }
 232
 233 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
 234 {
 235         if (comp->funcs && comp->funcs->bgclr_in_off)
 236                 comp->funcs->bgclr_in_off(comp->dev);
 237 }
 238
 239 static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
 240                                    struct drm_crtc_state *state)
 241 {
 242         if (comp->funcs && comp->funcs->ctm_set)
 243                 comp->funcs->ctm_set(comp->dev, state);
 244 }
 245
 246 static inline struct device *mtk_ddp_comp_dma_dev_get(struct mtk_ddp_comp *comp)
 247 {
 248         if (comp->funcs && comp->funcs->dma_dev_get)
 249                 return comp->funcs->dma_dev_get(comp->dev);
 250         return comp->dev;
 251 }
 252
 253 static inline
 254 const u32 *mtk_ddp_comp_get_formats(struct mtk_ddp_comp *comp)
 255 {
 256         if (comp->funcs && comp->funcs->get_formats)
 257                 return comp->funcs->get_formats(comp->dev);
 258
 259         return NULL;
 260 }
 261
 262 static inline
 263 size_t mtk_ddp_comp_get_num_formats(struct mtk_ddp_comp *comp)
 264 {
 265         if (comp->funcs && comp->funcs->get_num_formats)
 266                 return comp->funcs->get_num_formats(comp->dev);
 267
 268         return 0;
 269 }
 270
 271 static inline bool mtk_ddp_comp_add(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
 272 {
 273         if (comp->funcs && comp->funcs->add) {
 274                 comp->funcs->add(comp->dev, mutex);
 275                 return true;
 276         }
 277         return false;
 278 }
 279
 280 static inline bool mtk_ddp_comp_remove(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
 281 {
 282         if (comp->funcs && comp->funcs->remove) {
 283                 comp->funcs->remove(comp->dev, mutex);
 284                 return true;
 285         }
 286         return false;
 287 }
 288
 289 static inline bool mtk_ddp_comp_connect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
 290                                         unsigned int next)
 291 {
 292         if (comp->funcs && comp->funcs->connect) {
 293                 comp->funcs->connect(comp->dev, mmsys_dev, next);
 294                 return true;
 295         }
 296         return false;
 297 }
 298
 299 static inline bool mtk_ddp_comp_disconnect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
 300                                            unsigned int next)
 301 {
 302         if (comp->funcs && comp->funcs->disconnect) {
 303                 comp->funcs->disconnect(comp->dev, mmsys_dev, next);
 304                 return true;
 305         }
 306         return false;
 307 }
 308
 309 static inline void mtk_ddp_comp_encoder_index_set(struct mtk_ddp_comp *comp)
 310 {
 311         if (comp->funcs && comp->funcs->encoder_index)
 312                 comp->encoder_index = (int)comp->funcs->encoder_index(comp->dev);
 313 }
 314
 315 int mtk_ddp_comp_get_id(struct device_node *node,
 316                         enum mtk_ddp_comp_type comp_type);
 317 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
 318                                                 struct device *dev);
 319 int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
 320                       unsigned int comp_id);
 321 enum mtk_ddp_comp_type mtk_ddp_comp_get_type(unsigned int comp_id);
 322 void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 323                    struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 324                    unsigned int offset);
 325 void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 326                            struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 327                            unsigned int offset);
 328 void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 329                         struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 330                         unsigned int offset, unsigned int mask);
 331 #endif /* MTK_DRM_DDP_COMP_H */