1 /* 2 * (C) Copyright 2008-2017 Fuzhou Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef _ROCKCHIP_VOP_H_ 8 #define _ROCKCHIP_VOP_H_ 9 #include "rockchip_display.h" 10 #include <asm/gpio.h> 11 12 13 #define VOP_REG_SUPPORT(vop, reg) \ 14 (reg.mask && \ 15 (!reg.major || \ 16 (reg.major == VOP_MAJOR(vop->version) && \ 17 reg.begin_minor <= VOP_MINOR(vop->version) && \ 18 reg.end_minor >= VOP_MINOR(vop->version)))) 19 20 #define VOP_WIN_SUPPORT(vop, win, name) \ 21 VOP_REG_SUPPORT(vop, win->name) 22 23 #define VOP_CTRL_SUPPORT(vop, name) \ 24 VOP_REG_SUPPORT(vop, vop->ctrl->name) 25 26 #define __REG_SET(x, off, mask, shift, v, write_mask) \ 27 vop_mask_write(x, off, mask, shift, v, write_mask) 28 29 #define _REG_SET(vop, name, off, reg, mask, v) \ 30 do { \ 31 if (VOP_REG_SUPPORT(vop, reg)) \ 32 __REG_SET(vop, off + reg.offset, mask, reg.shift, \ 33 v, reg.write_mask); \ 34 else \ 35 debug("Warning: not support "#name"\n"); \ 36 } while(0) 37 38 #define REG_SET(x, name, off, reg, v) \ 39 _REG_SET(x, name, off, reg, reg.mask, v) 40 #define REG_SET_MASK(x, name, off, reg, mask, v, relaxed) \ 41 _REG_SET(x, name, off, reg, reg.mask & mask, v) 42 43 #define VOP_WIN_SET(x, name, v) \ 44 REG_SET(x, name, x->win_offset, x->win->name, v) 45 #define VOP_WIN_SET_EXT(x, ext, name, v) \ 46 REG_SET(x, name, x->win_offset, x->win->ext->name, v) 47 #define VOP_SCL_SET(x, name, v) \ 48 REG_SET(x, name, x->win_offset, x->win->scl->name, v) 49 #define VOP_SCL_SET_EXT(x, name, v) \ 50 REG_SET(x, name, x->win_offset, x->win->scl->ext->name, v) 51 52 #define VOP_CTRL_SET(x, name, v) \ 53 REG_SET(x, name, 0, (x)->ctrl->name, v) 54 #define VOP_LINE_FLAG_SET(x, name, v) \ 55 REG_SET(x, name, 0, (x)->line_flag->name, v) 56 #define VOP_WIN_CSC_SET(x, name, v) \ 57 REG_SET(x, name, 0, (x)->win_csc->name, v) 58 59 #define VOP_CTRL_GET(x, name) \ 60 vop_read_reg(x, 0, &vop->ctrl->name) 61 62 #define VOP_WIN_GET(x, name) \ 63 vop_read_reg(x, vop->win->offset, &vop->win->name) 64 65 #define VOP_GRF_SET(vop, name, v) \ 66 do { \ 67 if (vop->grf_ctrl) { \ 68 vop_grf_writel(vop, vop->grf_ctrl->name, v); \ 69 } \ 70 } while (0) 71 72 #define CVBS_PAL_VDISPLAY 288 73 74 enum alpha_mode { 75 ALPHA_STRAIGHT, 76 ALPHA_INVERSE, 77 }; 78 79 enum global_blend_mode { 80 ALPHA_GLOBAL, 81 ALPHA_PER_PIX, 82 ALPHA_PER_PIX_GLOBAL, 83 }; 84 85 enum alpha_cal_mode { 86 ALPHA_SATURATION, 87 ALPHA_NO_SATURATION, 88 }; 89 90 enum color_mode { 91 ALPHA_SRC_PRE_MUL, 92 ALPHA_SRC_NO_PRE_MUL, 93 }; 94 95 enum factor_mode { 96 ALPHA_ZERO, 97 ALPHA_ONE, 98 ALPHA_SRC, 99 ALPHA_SRC_INVERSE, 100 ALPHA_SRC_GLOBAL, 101 }; 102 103 enum scale_mode { 104 SCALE_NONE = 0x0, 105 SCALE_UP = 0x1, 106 SCALE_DOWN = 0x2 107 }; 108 109 enum lb_mode { 110 LB_YUV_3840X5 = 0x0, 111 LB_YUV_2560X8 = 0x1, 112 LB_RGB_3840X2 = 0x2, 113 LB_RGB_2560X4 = 0x3, 114 LB_RGB_1920X5 = 0x4, 115 LB_RGB_1280X8 = 0x5 116 }; 117 118 enum sacle_up_mode { 119 SCALE_UP_BIL = 0x0, 120 SCALE_UP_BIC = 0x1 121 }; 122 123 enum scale_down_mode { 124 SCALE_DOWN_BIL = 0x0, 125 SCALE_DOWN_AVG = 0x1 126 }; 127 128 enum dither_down_mode { 129 RGB888_TO_RGB565 = 0x0, 130 RGB888_TO_RGB666 = 0x1 131 }; 132 133 enum dither_down_mode_sel { 134 DITHER_DOWN_ALLEGRO = 0x0, 135 DITHER_DOWN_FRC = 0x1 136 }; 137 138 enum vop_csc_format { 139 CSC_BT601L, 140 CSC_BT709L, 141 CSC_BT601F, 142 CSC_BT2020, 143 }; 144 145 #define DSP_BG_SWAP 0x1 146 #define DSP_RB_SWAP 0x2 147 #define DSP_RG_SWAP 0x4 148 #define DSP_DELTA_SWAP 0x8 149 150 #define PRE_DITHER_DOWN_EN(x) ((x) << 0) 151 #define DITHER_DOWN_EN(x) ((x) << 1) 152 #define DITHER_DOWN_MODE(x) ((x) << 2) 153 #define DITHER_DOWN_MODE_SEL(x) ((x) << 3) 154 155 #define FRAC_16_16(mult, div) (((mult) << 16) / (div)) 156 #define SCL_FT_DEFAULT_FIXPOINT_SHIFT 12 157 #define SCL_MAX_VSKIPLINES 4 158 #define MIN_SCL_FT_AFTER_VSKIP 1 159 160 static inline uint16_t scl_cal_scale(int src, int dst, int shift) 161 { 162 return ((src * 2 - 3) << (shift - 1)) / (dst - 1); 163 } 164 165 static inline uint16_t scl_cal_scale2(int src, int dst) 166 { 167 return ((src - 1) << 12) / (dst - 1); 168 } 169 170 #define GET_SCL_FT_BILI_DN(src, dst) scl_cal_scale(src, dst, 12) 171 #define GET_SCL_FT_BILI_UP(src, dst) scl_cal_scale(src, dst, 16) 172 #define GET_SCL_FT_BIC(src, dst) scl_cal_scale(src, dst, 16) 173 174 static inline uint16_t scl_get_bili_dn_vskip(int src_h, int dst_h, 175 int vskiplines) 176 { 177 int act_height; 178 179 act_height = (src_h + vskiplines - 1) / vskiplines; 180 181 return GET_SCL_FT_BILI_DN(act_height, dst_h); 182 } 183 184 static inline enum scale_mode scl_get_scl_mode(int src, int dst) 185 { 186 if (src < dst) 187 return SCALE_UP; 188 else if (src > dst) 189 return SCALE_DOWN; 190 191 return SCALE_NONE; 192 } 193 194 static inline int scl_get_vskiplines(uint32_t srch, uint32_t dsth) 195 { 196 uint32_t vskiplines; 197 198 for (vskiplines = SCL_MAX_VSKIPLINES; vskiplines > 1; vskiplines /= 2) 199 if (srch >= vskiplines * dsth * MIN_SCL_FT_AFTER_VSKIP) 200 break; 201 202 return vskiplines; 203 } 204 205 static inline int scl_vop_cal_lb_mode(int width, bool is_yuv) 206 { 207 int lb_mode; 208 209 if (width > 2560) 210 lb_mode = LB_RGB_3840X2; 211 else if (width > 1920) 212 lb_mode = LB_RGB_2560X4; 213 else if (!is_yuv) 214 lb_mode = LB_RGB_1920X5; 215 else if (width > 1280) 216 lb_mode = LB_YUV_3840X5; 217 else 218 lb_mode = LB_YUV_2560X8; 219 220 return lb_mode; 221 } 222 223 struct vop_reg_data { 224 uint32_t offset; 225 uint32_t value; 226 }; 227 228 struct vop_reg { 229 uint32_t mask; 230 uint32_t offset:17; 231 uint32_t shift:5; 232 uint32_t begin_minor:4; 233 uint32_t end_minor:4; 234 uint32_t reserved:2; 235 uint32_t major:3; 236 uint32_t write_mask:1; 237 }; 238 239 struct vop_ctrl { 240 struct vop_reg standby; 241 struct vop_reg axi_outstanding_max_num; 242 struct vop_reg axi_max_outstanding_en; 243 struct vop_reg htotal_pw; 244 struct vop_reg hact_st_end; 245 struct vop_reg vtotal_pw; 246 struct vop_reg vact_st_end; 247 struct vop_reg vact_st_end_f1; 248 struct vop_reg vs_st_end_f1; 249 struct vop_reg hpost_st_end; 250 struct vop_reg vpost_st_end; 251 struct vop_reg vpost_st_end_f1; 252 struct vop_reg post_scl_factor; 253 struct vop_reg post_scl_ctrl; 254 struct vop_reg dsp_interlace; 255 struct vop_reg global_regdone_en; 256 struct vop_reg auto_gate_en; 257 struct vop_reg post_lb_mode; 258 struct vop_reg dsp_layer_sel; 259 struct vop_reg overlay_mode; 260 struct vop_reg core_dclk_div; 261 struct vop_reg dclk_ddr; 262 struct vop_reg p2i_en; 263 struct vop_reg hdmi_dclk_out_en; 264 struct vop_reg rgb_en; 265 struct vop_reg lvds_en; 266 struct vop_reg edp_en; 267 struct vop_reg hdmi_en; 268 struct vop_reg mipi_en; 269 struct vop_reg data01_swap; 270 struct vop_reg mipi_dual_channel_en; 271 struct vop_reg dp_en; 272 struct vop_reg dclk_pol; 273 struct vop_reg pin_pol; 274 struct vop_reg rgb_dclk_pol; 275 struct vop_reg rgb_pin_pol; 276 struct vop_reg lvds_dclk_pol; 277 struct vop_reg lvds_pin_pol; 278 struct vop_reg hdmi_dclk_pol; 279 struct vop_reg hdmi_pin_pol; 280 struct vop_reg edp_dclk_pol; 281 struct vop_reg edp_pin_pol; 282 struct vop_reg mipi_dclk_pol; 283 struct vop_reg mipi_pin_pol; 284 struct vop_reg dp_dclk_pol; 285 struct vop_reg dp_pin_pol; 286 287 struct vop_reg dither_up; 288 struct vop_reg dither_down; 289 290 struct vop_reg sw_dac_sel; 291 struct vop_reg tve_sw_mode; 292 struct vop_reg tve_dclk_pol; 293 struct vop_reg tve_dclk_en; 294 struct vop_reg sw_genlock; 295 struct vop_reg sw_uv_offset_en; 296 297 struct vop_reg dsp_out_yuv; 298 struct vop_reg dsp_data_swap; 299 struct vop_reg dsp_ccir656_avg; 300 struct vop_reg dsp_black; 301 struct vop_reg dsp_blank; 302 struct vop_reg dsp_outzero; 303 struct vop_reg dsp_lut_en; 304 struct vop_reg update_gamma_lut; 305 306 struct vop_reg out_mode; 307 308 struct vop_reg xmirror; 309 struct vop_reg ymirror; 310 struct vop_reg dsp_background; 311 312 /* CABC */ 313 struct vop_reg cabc_total_num; 314 struct vop_reg cabc_config_mode; 315 struct vop_reg cabc_stage_up_mode; 316 struct vop_reg cabc_scale_cfg_value; 317 struct vop_reg cabc_scale_cfg_enable; 318 struct vop_reg cabc_global_dn_limit_en; 319 struct vop_reg cabc_lut_en; 320 struct vop_reg cabc_en; 321 struct vop_reg cabc_handle_en; 322 struct vop_reg cabc_stage_up; 323 struct vop_reg cabc_stage_down; 324 struct vop_reg cabc_global_dn; 325 struct vop_reg cabc_calc_pixel_num; 326 327 struct vop_reg win_gate[4]; 328 struct vop_reg win_channel[4]; 329 330 /* BCSH */ 331 struct vop_reg bcsh_brightness; 332 struct vop_reg bcsh_contrast; 333 struct vop_reg bcsh_sat_con; 334 struct vop_reg bcsh_sin_hue; 335 struct vop_reg bcsh_cos_hue; 336 struct vop_reg bcsh_r2y_csc_mode; 337 struct vop_reg bcsh_r2y_en; 338 struct vop_reg bcsh_y2r_csc_mode; 339 struct vop_reg bcsh_y2r_en; 340 struct vop_reg bcsh_color_bar; 341 struct vop_reg bcsh_out_mode; 342 struct vop_reg bcsh_en; 343 struct vop_reg reg_done_frm; 344 345 /* MCU OUTPUT */ 346 struct vop_reg mcu_pix_total; 347 struct vop_reg mcu_cs_pst; 348 struct vop_reg mcu_cs_pend; 349 struct vop_reg mcu_rw_pst; 350 struct vop_reg mcu_rw_pend; 351 struct vop_reg mcu_clk_sel; 352 struct vop_reg mcu_hold_mode; 353 struct vop_reg mcu_frame_st; 354 struct vop_reg mcu_rs; 355 struct vop_reg mcu_bypass; 356 struct vop_reg mcu_type; 357 struct vop_reg mcu_rw_bypass_port; 358 359 360 struct vop_reg cfg_done; 361 }; 362 363 struct vop_scl_extension { 364 struct vop_reg cbcr_vsd_mode; 365 struct vop_reg cbcr_vsu_mode; 366 struct vop_reg cbcr_hsd_mode; 367 struct vop_reg cbcr_ver_scl_mode; 368 struct vop_reg cbcr_hor_scl_mode; 369 struct vop_reg yrgb_vsd_mode; 370 struct vop_reg yrgb_vsu_mode; 371 struct vop_reg yrgb_hsd_mode; 372 struct vop_reg yrgb_ver_scl_mode; 373 struct vop_reg yrgb_hor_scl_mode; 374 struct vop_reg line_load_mode; 375 struct vop_reg cbcr_axi_gather_num; 376 struct vop_reg yrgb_axi_gather_num; 377 struct vop_reg vsd_cbcr_gt2; 378 struct vop_reg vsd_cbcr_gt4; 379 struct vop_reg vsd_yrgb_gt2; 380 struct vop_reg vsd_yrgb_gt4; 381 struct vop_reg bic_coe_sel; 382 struct vop_reg cbcr_axi_gather_en; 383 struct vop_reg yrgb_axi_gather_en; 384 struct vop_reg lb_mode; 385 }; 386 387 struct vop_scl_regs { 388 const struct vop_scl_extension *ext; 389 390 struct vop_reg scale_yrgb_x; 391 struct vop_reg scale_yrgb_y; 392 struct vop_reg scale_cbcr_x; 393 struct vop_reg scale_cbcr_y; 394 }; 395 396 struct vop_win { 397 const struct vop_scl_regs *scl; 398 399 struct vop_reg gate; 400 struct vop_reg enable; 401 struct vop_reg format; 402 struct vop_reg ymirror; 403 struct vop_reg rb_swap; 404 struct vop_reg act_info; 405 struct vop_reg dsp_info; 406 struct vop_reg dsp_st; 407 struct vop_reg yrgb_mst; 408 struct vop_reg uv_mst; 409 struct vop_reg yrgb_vir; 410 struct vop_reg uv_vir; 411 struct vop_reg alpha_mode; 412 struct vop_reg alpha_en; 413 414 struct vop_reg dst_alpha_ctl; 415 struct vop_reg src_alpha_ctl; 416 }; 417 418 struct vop_line_flag { 419 struct vop_reg line_flag_num[2]; 420 }; 421 422 struct vop_grf_ctrl { 423 struct vop_reg grf_dclk_inv; 424 }; 425 426 struct vop_csc_table { 427 const uint32_t *r2y_bt601; 428 const uint32_t *r2y_bt601_12_235; 429 const uint32_t *r2y_bt709; 430 const uint32_t *r2y_bt2020; 431 }; 432 433 struct vop_csc { 434 struct vop_reg y2r_en; 435 struct vop_reg r2r_en; 436 struct vop_reg r2y_en; 437 438 uint32_t y2r_offset; 439 uint32_t r2r_offset; 440 uint32_t r2y_offset; 441 }; 442 443 #define VOP_FEATURE_OUTPUT_10BIT BIT(0) 444 445 struct vop_data { 446 uint32_t version; 447 const struct vop_ctrl *ctrl; 448 const struct vop_win *win; 449 const struct vop_line_flag *line_flag; 450 const struct vop_grf_ctrl *grf_ctrl; 451 const struct vop_csc_table *csc_table; 452 const struct vop_csc *win_csc; 453 int win_offset; 454 int reg_len; 455 u64 feature; 456 struct vop_rect max_output; 457 }; 458 459 struct vop { 460 u32 *regsbak; 461 void *regs; 462 void *grf; 463 464 uint32_t version; 465 const struct vop_ctrl *ctrl; 466 const struct vop_win *win; 467 const struct vop_line_flag *line_flag; 468 const struct vop_grf_ctrl *grf_ctrl; 469 const struct vop_csc_table *csc_table; 470 const struct vop_csc *win_csc; 471 int win_offset; 472 473 struct gpio_desc mcu_rs_gpio; 474 }; 475 476 static inline void vop_writel(struct vop *vop, uint32_t offset, uint32_t v) 477 { 478 writel(v, vop->regs + offset); 479 vop->regsbak[offset >> 2] = v; 480 } 481 482 static inline uint32_t vop_readl(struct vop *vop, uint32_t offset) 483 { 484 return readl(vop->regs + offset); 485 } 486 487 static inline uint32_t vop_read_reg(struct vop *vop, uint32_t base, 488 const struct vop_reg *reg) 489 { 490 return (vop_readl(vop, base + reg->offset) >> reg->shift) & reg->mask; 491 } 492 493 static inline void vop_mask_write(struct vop *vop, uint32_t offset, 494 uint32_t mask, uint32_t shift, uint32_t v, 495 bool write_mask) 496 { 497 if (!mask) 498 return; 499 500 if (write_mask) { 501 v = ((v & mask) << shift) | (mask << (shift + 16)); 502 } else { 503 uint32_t cached_val = vop->regsbak[offset >> 2]; 504 505 v = (cached_val & ~(mask << shift)) | ((v & mask) << shift); 506 vop->regsbak[offset >> 2] = v; 507 } 508 509 writel(v, vop->regs + offset); 510 } 511 512 static inline void vop_cfg_done(struct vop *vop) 513 { 514 VOP_CTRL_SET(vop, cfg_done, 1); 515 } 516 517 static inline void vop_grf_writel(struct vop *vop, struct vop_reg reg, u32 v) 518 { 519 u32 val = 0; 520 521 if (VOP_REG_SUPPORT(vop, reg)) { 522 val = (v << reg.shift) | (reg.mask << (reg.shift + 16)); 523 writel(val, vop->grf + reg.offset); 524 } 525 } 526 527 /** 528 * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor 529 * @format: pixel format (DRM_FORMAT_*) 530 * 531 * Returns: 532 * The horizontal chroma subsampling factor for the 533 * specified pixel format. 534 */ 535 static inline int drm_format_horz_chroma_subsampling(uint32_t format) 536 { 537 /* uboot only support RGB format */ 538 return 1; 539 } 540 541 /** 542 * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor 543 * @format: pixel format (DRM_FORMAT_*) 544 * 545 * Returns: 546 * The vertical chroma subsampling factor for the 547 * specified pixel format. 548 */ 549 static inline int drm_format_vert_chroma_subsampling(uint32_t format) 550 { 551 /* uboot only support RGB format */ 552 return 1; 553 } 554 555 #endif 556