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 */ 295