1 /* 2 * Samsung exynos4210 Display Controller (FIMD) 3 * 4 * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. 5 * All rights reserved. 6 * Based on LCD controller for Samsung S5PC1xx-based board emulation 7 * by Kirill Batuzov <batuzovk@ispras.ru> 8 * 9 * Contributed by Mitsyanko Igor <i.mitsyanko@samsung.com> 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 19 * See the GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License along 22 * with this program; if not, see <http://www.gnu.org/licenses/>. 23 */ 24 25 #include "qemu-common.h" 26 #include "hw/sysbus.h" 27 #include "ui/console.h" 28 #include "ui/pixel_ops.h" 29 #include "qemu/bswap.h" 30 31 /* Debug messages configuration */ 32 #define EXYNOS4210_FIMD_DEBUG 0 33 #define EXYNOS4210_FIMD_MODE_TRACE 0 34 35 #if EXYNOS4210_FIMD_DEBUG == 0 36 #define DPRINT_L1(fmt, args...) do { } while (0) 37 #define DPRINT_L2(fmt, args...) do { } while (0) 38 #define DPRINT_ERROR(fmt, args...) do { } while (0) 39 #elif EXYNOS4210_FIMD_DEBUG == 1 40 #define DPRINT_L1(fmt, args...) \ 41 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) 42 #define DPRINT_L2(fmt, args...) do { } while (0) 43 #define DPRINT_ERROR(fmt, args...) \ 44 do {fprintf(stderr, "QEMU FIMD ERROR: "fmt, ## args); } while (0) 45 #else 46 #define DPRINT_L1(fmt, args...) \ 47 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) 48 #define DPRINT_L2(fmt, args...) \ 49 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) 50 #define DPRINT_ERROR(fmt, args...) \ 51 do {fprintf(stderr, "QEMU FIMD ERROR: "fmt, ## args); } while (0) 52 #endif 53 54 #if EXYNOS4210_FIMD_MODE_TRACE == 0 55 #define DPRINT_TRACE(fmt, args...) do { } while (0) 56 #else 57 #define DPRINT_TRACE(fmt, args...) \ 58 do {fprintf(stderr, "QEMU FIMD: "fmt, ## args); } while (0) 59 #endif 60 61 #define NUM_OF_WINDOWS 5 62 #define FIMD_REGS_SIZE 0x4114 63 64 /* Video main control registers */ 65 #define FIMD_VIDCON0 0x0000 66 #define FIMD_VIDCON1 0x0004 67 #define FIMD_VIDCON2 0x0008 68 #define FIMD_VIDCON3 0x000C 69 #define FIMD_VIDCON0_ENVID_F (1 << 0) 70 #define FIMD_VIDCON0_ENVID (1 << 1) 71 #define FIMD_VIDCON0_ENVID_MASK ((1 << 0) | (1 << 1)) 72 #define FIMD_VIDCON1_ROMASK 0x07FFE000 73 74 /* Video time control registers */ 75 #define FIMD_VIDTCON_START 0x10 76 #define FIMD_VIDTCON_END 0x1C 77 #define FIMD_VIDTCON2_SIZE_MASK 0x07FF 78 #define FIMD_VIDTCON2_HOR_SHIFT 0 79 #define FIMD_VIDTCON2_VER_SHIFT 11 80 81 /* Window control registers */ 82 #define FIMD_WINCON_START 0x0020 83 #define FIMD_WINCON_END 0x0030 84 #define FIMD_WINCON_ROMASK 0x82200000 85 #define FIMD_WINCON_ENWIN (1 << 0) 86 #define FIMD_WINCON_BLD_PIX (1 << 6) 87 #define FIMD_WINCON_ALPHA_MUL (1 << 7) 88 #define FIMD_WINCON_ALPHA_SEL (1 << 1) 89 #define FIMD_WINCON_SWAP 0x078000 90 #define FIMD_WINCON_SWAP_SHIFT 15 91 #define FIMD_WINCON_SWAP_WORD 0x1 92 #define FIMD_WINCON_SWAP_HWORD 0x2 93 #define FIMD_WINCON_SWAP_BYTE 0x4 94 #define FIMD_WINCON_SWAP_BITS 0x8 95 #define FIMD_WINCON_BUFSTAT_L (1 << 21) 96 #define FIMD_WINCON_BUFSTAT_H (1 << 31) 97 #define FIMD_WINCON_BUFSTATUS ((1 << 21) | (1 << 31)) 98 #define FIMD_WINCON_BUF0_STAT ((0 << 21) | (0 << 31)) 99 #define FIMD_WINCON_BUF1_STAT ((1 << 21) | (0 << 31)) 100 #define FIMD_WINCON_BUF2_STAT ((0 << 21) | (1 << 31)) 101 #define FIMD_WINCON_BUFSELECT ((1 << 20) | (1 << 30)) 102 #define FIMD_WINCON_BUF0_SEL ((0 << 20) | (0 << 30)) 103 #define FIMD_WINCON_BUF1_SEL ((1 << 20) | (0 << 30)) 104 #define FIMD_WINCON_BUF2_SEL ((0 << 20) | (1 << 30)) 105 #define FIMD_WINCON_BUFMODE (1 << 14) 106 #define IS_PALETTIZED_MODE(w) (w->wincon & 0xC) 107 #define PAL_MODE_WITH_ALPHA(x) ((x) == 7) 108 #define WIN_BPP_MODE(w) ((w->wincon >> 2) & 0xF) 109 #define WIN_BPP_MODE_WITH_ALPHA(w) \ 110 (WIN_BPP_MODE(w) == 0xD || WIN_BPP_MODE(w) == 0xE) 111 112 /* Shadow control register */ 113 #define FIMD_SHADOWCON 0x0034 114 #define FIMD_WINDOW_PROTECTED(s, w) ((s) & (1 << (10 + (w)))) 115 /* Channel mapping control register */ 116 #define FIMD_WINCHMAP 0x003C 117 118 /* Window position control registers */ 119 #define FIMD_VIDOSD_START 0x0040 120 #define FIMD_VIDOSD_END 0x0088 121 #define FIMD_VIDOSD_COORD_MASK 0x07FF 122 #define FIMD_VIDOSD_HOR_SHIFT 11 123 #define FIMD_VIDOSD_VER_SHIFT 0 124 #define FIMD_VIDOSD_ALPHA_AEN0 0xFFF000 125 #define FIMD_VIDOSD_AEN0_SHIFT 12 126 #define FIMD_VIDOSD_ALPHA_AEN1 0x000FFF 127 128 /* Frame buffer address registers */ 129 #define FIMD_VIDWADD0_START 0x00A0 130 #define FIMD_VIDWADD0_END 0x00C4 131 #define FIMD_VIDWADD0_END 0x00C4 132 #define FIMD_VIDWADD1_START 0x00D0 133 #define FIMD_VIDWADD1_END 0x00F4 134 #define FIMD_VIDWADD2_START 0x0100 135 #define FIMD_VIDWADD2_END 0x0110 136 #define FIMD_VIDWADD2_PAGEWIDTH 0x1FFF 137 #define FIMD_VIDWADD2_OFFSIZE 0x1FFF 138 #define FIMD_VIDWADD2_OFFSIZE_SHIFT 13 139 #define FIMD_VIDW0ADD0_B2 0x20A0 140 #define FIMD_VIDW4ADD0_B2 0x20C0 141 142 /* Video interrupt control registers */ 143 #define FIMD_VIDINTCON0 0x130 144 #define FIMD_VIDINTCON1 0x134 145 146 /* Window color key registers */ 147 #define FIMD_WKEYCON_START 0x140 148 #define FIMD_WKEYCON_END 0x15C 149 #define FIMD_WKEYCON0_COMPKEY 0x00FFFFFF 150 #define FIMD_WKEYCON0_CTL_SHIFT 24 151 #define FIMD_WKEYCON0_DIRCON (1 << 24) 152 #define FIMD_WKEYCON0_KEYEN (1 << 25) 153 #define FIMD_WKEYCON0_KEYBLEN (1 << 26) 154 /* Window color key alpha control register */ 155 #define FIMD_WKEYALPHA_START 0x160 156 #define FIMD_WKEYALPHA_END 0x16C 157 158 /* Dithering control register */ 159 #define FIMD_DITHMODE 0x170 160 161 /* Window alpha control registers */ 162 #define FIMD_VIDALPHA_ALPHA_LOWER 0x000F0F0F 163 #define FIMD_VIDALPHA_ALPHA_UPPER 0x00F0F0F0 164 #define FIMD_VIDWALPHA_START 0x21C 165 #define FIMD_VIDWALPHA_END 0x240 166 167 /* Window color map registers */ 168 #define FIMD_WINMAP_START 0x180 169 #define FIMD_WINMAP_END 0x190 170 #define FIMD_WINMAP_EN (1 << 24) 171 #define FIMD_WINMAP_COLOR_MASK 0x00FFFFFF 172 173 /* Window palette control registers */ 174 #define FIMD_WPALCON_HIGH 0x019C 175 #define FIMD_WPALCON_LOW 0x01A0 176 #define FIMD_WPALCON_UPDATEEN (1 << 9) 177 #define FIMD_WPAL_W0PAL_L 0x07 178 #define FIMD_WPAL_W0PAL_L_SHT 0 179 #define FIMD_WPAL_W1PAL_L 0x07 180 #define FIMD_WPAL_W1PAL_L_SHT 3 181 #define FIMD_WPAL_W2PAL_L 0x01 182 #define FIMD_WPAL_W2PAL_L_SHT 6 183 #define FIMD_WPAL_W2PAL_H 0x06 184 #define FIMD_WPAL_W2PAL_H_SHT 8 185 #define FIMD_WPAL_W3PAL_L 0x01 186 #define FIMD_WPAL_W3PAL_L_SHT 7 187 #define FIMD_WPAL_W3PAL_H 0x06 188 #define FIMD_WPAL_W3PAL_H_SHT 12 189 #define FIMD_WPAL_W4PAL_L 0x01 190 #define FIMD_WPAL_W4PAL_L_SHT 8 191 #define FIMD_WPAL_W4PAL_H 0x06 192 #define FIMD_WPAL_W4PAL_H_SHT 16 193 194 /* Trigger control registers */ 195 #define FIMD_TRIGCON 0x01A4 196 #define FIMD_TRIGCON_ROMASK 0x00000004 197 198 /* LCD I80 Interface Control */ 199 #define FIMD_I80IFCON_START 0x01B0 200 #define FIMD_I80IFCON_END 0x01BC 201 /* Color gain control register */ 202 #define FIMD_COLORGAINCON 0x01C0 203 /* LCD i80 Interface Command Control */ 204 #define FIMD_LDI_CMDCON0 0x01D0 205 #define FIMD_LDI_CMDCON1 0x01D4 206 /* I80 System Interface Manual Command Control */ 207 #define FIMD_SIFCCON0 0x01E0 208 #define FIMD_SIFCCON2 0x01E8 209 210 /* Hue Control Registers */ 211 #define FIMD_HUECOEFCR_START 0x01EC 212 #define FIMD_HUECOEFCR_END 0x01F4 213 #define FIMD_HUECOEFCB_START 0x01FC 214 #define FIMD_HUECOEFCB_END 0x0208 215 #define FIMD_HUEOFFSET 0x020C 216 217 /* Video interrupt control registers */ 218 #define FIMD_VIDINT_INTFIFOPEND (1 << 0) 219 #define FIMD_VIDINT_INTFRMPEND (1 << 1) 220 #define FIMD_VIDINT_INTI80PEND (1 << 2) 221 #define FIMD_VIDINT_INTEN (1 << 0) 222 #define FIMD_VIDINT_INTFIFOEN (1 << 1) 223 #define FIMD_VIDINT_INTFRMEN (1 << 12) 224 #define FIMD_VIDINT_I80IFDONE (1 << 17) 225 226 /* Window blend equation control registers */ 227 #define FIMD_BLENDEQ_START 0x0244 228 #define FIMD_BLENDEQ_END 0x0250 229 #define FIMD_BLENDCON 0x0260 230 #define FIMD_ALPHA_8BIT (1 << 0) 231 #define FIMD_BLENDEQ_COEF_MASK 0xF 232 233 /* Window RTQOS Control Registers */ 234 #define FIMD_WRTQOSCON_START 0x0264 235 #define FIMD_WRTQOSCON_END 0x0274 236 237 /* LCD I80 Interface Command */ 238 #define FIMD_I80IFCMD_START 0x0280 239 #define FIMD_I80IFCMD_END 0x02AC 240 241 /* Shadow windows control registers */ 242 #define FIMD_SHD_ADD0_START 0x40A0 243 #define FIMD_SHD_ADD0_END 0x40C0 244 #define FIMD_SHD_ADD1_START 0x40D0 245 #define FIMD_SHD_ADD1_END 0x40F0 246 #define FIMD_SHD_ADD2_START 0x4100 247 #define FIMD_SHD_ADD2_END 0x4110 248 249 /* Palette memory */ 250 #define FIMD_PAL_MEM_START 0x2400 251 #define FIMD_PAL_MEM_END 0x37FC 252 /* Palette memory aliases for windows 0 and 1 */ 253 #define FIMD_PALMEM_AL_START 0x0400 254 #define FIMD_PALMEM_AL_END 0x0BFC 255 256 typedef struct { 257 uint8_t r, g, b; 258 /* D[31..24]dummy, D[23..16]rAlpha, D[15..8]gAlpha, D[7..0]bAlpha */ 259 uint32_t a; 260 } rgba; 261 #define RGBA_SIZE 7 262 263 typedef void pixel_to_rgb_func(uint32_t pixel, rgba *p); 264 typedef struct Exynos4210fimdWindow Exynos4210fimdWindow; 265 266 struct Exynos4210fimdWindow { 267 uint32_t wincon; /* Window control register */ 268 uint32_t buf_start[3]; /* Start address for video frame buffer */ 269 uint32_t buf_end[3]; /* End address for video frame buffer */ 270 uint32_t keycon[2]; /* Window color key registers */ 271 uint32_t keyalpha; /* Color key alpha control register */ 272 uint32_t winmap; /* Window color map register */ 273 uint32_t blendeq; /* Window blending equation control register */ 274 uint32_t rtqoscon; /* Window RTQOS Control Registers */ 275 uint32_t palette[256]; /* Palette RAM */ 276 uint32_t shadow_buf_start; /* Start address of shadow frame buffer */ 277 uint32_t shadow_buf_end; /* End address of shadow frame buffer */ 278 uint32_t shadow_buf_size; /* Virtual shadow screen width */ 279 280 pixel_to_rgb_func *pixel_to_rgb; 281 void (*draw_line)(Exynos4210fimdWindow *w, uint8_t *src, uint8_t *dst, 282 bool blend); 283 uint32_t (*get_alpha)(Exynos4210fimdWindow *w, uint32_t pix_a); 284 uint16_t lefttop_x, lefttop_y; /* VIDOSD0 register */ 285 uint16_t rightbot_x, rightbot_y; /* VIDOSD1 register */ 286 uint32_t osdsize; /* VIDOSD2&3 register */ 287 uint32_t alpha_val[2]; /* VIDOSD2&3, VIDWALPHA registers */ 288 uint16_t virtpage_width; /* VIDWADD2 register */ 289 uint16_t virtpage_offsize; /* VIDWADD2 register */ 290 MemoryRegionSection mem_section; /* RAM fragment containing framebuffer */ 291 uint8_t *host_fb_addr; /* Host pointer to window's framebuffer */ 292 hwaddr fb_len; /* Framebuffer length */ 293 }; 294 295 typedef struct { 296 SysBusDevice busdev; 297 MemoryRegion iomem; 298 QemuConsole *console; 299 qemu_irq irq[3]; 300 301 uint32_t vidcon[4]; /* Video main control registers 0-3 */ 302 uint32_t vidtcon[4]; /* Video time control registers 0-3 */ 303 uint32_t shadowcon; /* Window shadow control register */ 304 uint32_t winchmap; /* Channel mapping control register */ 305 uint32_t vidintcon[2]; /* Video interrupt control registers */ 306 uint32_t dithmode; /* Dithering control register */ 307 uint32_t wpalcon[2]; /* Window palette control registers */ 308 uint32_t trigcon; /* Trigger control register */ 309 uint32_t i80ifcon[4]; /* I80 interface control registers */ 310 uint32_t colorgaincon; /* Color gain control register */ 311 uint32_t ldi_cmdcon[2]; /* LCD I80 interface command control */ 312 uint32_t sifccon[3]; /* I80 System Interface Manual Command Control */ 313 uint32_t huecoef_cr[4]; /* Hue control registers */ 314 uint32_t huecoef_cb[4]; /* Hue control registers */ 315 uint32_t hueoffset; /* Hue offset control register */ 316 uint32_t blendcon; /* Blending control register */ 317 uint32_t i80ifcmd[12]; /* LCD I80 Interface Command */ 318 319 Exynos4210fimdWindow window[5]; /* Window-specific registers */ 320 uint8_t *ifb; /* Internal frame buffer */ 321 bool invalidate; /* Image needs to be redrawn */ 322 bool enabled; /* Display controller is enabled */ 323 } Exynos4210fimdState; 324 325 /* Perform byte/halfword/word swap of data according to WINCON */ 326 static inline void fimd_swap_data(unsigned int swap_ctl, uint64_t *data) 327 { 328 int i; 329 uint64_t res; 330 uint64_t x = *data; 331 332 if (swap_ctl & FIMD_WINCON_SWAP_BITS) { 333 res = 0; 334 for (i = 0; i < 64; i++) { 335 if (x & (1ULL << (64 - i))) { 336 res |= (1ULL << i); 337 } 338 } 339 x = res; 340 } 341 342 if (swap_ctl & FIMD_WINCON_SWAP_BYTE) { 343 x = bswap64(x); 344 } 345 346 if (swap_ctl & FIMD_WINCON_SWAP_HWORD) { 347 x = ((x & 0x000000000000FFFFULL) << 48) | 348 ((x & 0x00000000FFFF0000ULL) << 16) | 349 ((x & 0x0000FFFF00000000ULL) >> 16) | 350 ((x & 0xFFFF000000000000ULL) >> 48); 351 } 352 353 if (swap_ctl & FIMD_WINCON_SWAP_WORD) { 354 x = ((x & 0x00000000FFFFFFFFULL) << 32) | 355 ((x & 0xFFFFFFFF00000000ULL) >> 32); 356 } 357 358 *data = x; 359 } 360 361 /* Conversion routines of Pixel data from frame buffer area to internal RGBA 362 * pixel representation. 363 * Every color component internally represented as 8-bit value. If original 364 * data has less than 8 bit for component, data is extended to 8 bit. For 365 * example, if blue component has only two possible values 0 and 1 it will be 366 * extended to 0 and 0xFF */ 367 368 /* One bit for alpha representation */ 369 #define DEF_PIXEL_TO_RGB_A1(N, R, G, B) \ 370 static void N(uint32_t pixel, rgba *p) \ 371 { \ 372 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \ 373 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \ 374 pixel >>= (B); \ 375 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \ 376 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \ 377 pixel >>= (G); \ 378 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \ 379 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \ 380 pixel >>= (R); \ 381 p->a = (pixel & 0x1); \ 382 } 383 384 DEF_PIXEL_TO_RGB_A1(pixel_a444_to_rgb, 4, 4, 4) 385 DEF_PIXEL_TO_RGB_A1(pixel_a555_to_rgb, 5, 5, 5) 386 DEF_PIXEL_TO_RGB_A1(pixel_a666_to_rgb, 6, 6, 6) 387 DEF_PIXEL_TO_RGB_A1(pixel_a665_to_rgb, 6, 6, 5) 388 DEF_PIXEL_TO_RGB_A1(pixel_a888_to_rgb, 8, 8, 8) 389 DEF_PIXEL_TO_RGB_A1(pixel_a887_to_rgb, 8, 8, 7) 390 391 /* Alpha component is always zero */ 392 #define DEF_PIXEL_TO_RGB_A0(N, R, G, B) \ 393 static void N(uint32_t pixel, rgba *p) \ 394 { \ 395 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \ 396 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \ 397 pixel >>= (B); \ 398 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \ 399 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \ 400 pixel >>= (G); \ 401 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \ 402 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \ 403 p->a = 0x0; \ 404 } 405 406 DEF_PIXEL_TO_RGB_A0(pixel_565_to_rgb, 5, 6, 5) 407 DEF_PIXEL_TO_RGB_A0(pixel_555_to_rgb, 5, 5, 5) 408 DEF_PIXEL_TO_RGB_A0(pixel_666_to_rgb, 6, 6, 6) 409 DEF_PIXEL_TO_RGB_A0(pixel_888_to_rgb, 8, 8, 8) 410 411 /* Alpha component has some meaningful value */ 412 #define DEF_PIXEL_TO_RGB_A(N, R, G, B, A) \ 413 static void N(uint32_t pixel, rgba *p) \ 414 { \ 415 p->b = ((pixel & ((1 << (B)) - 1)) << (8 - (B))) | \ 416 ((pixel >> (2 * (B) - 8)) & ((1 << (8 - (B))) - 1)); \ 417 pixel >>= (B); \ 418 p->g = (pixel & ((1 << (G)) - 1)) << (8 - (G)) | \ 419 ((pixel >> (2 * (G) - 8)) & ((1 << (8 - (G))) - 1)); \ 420 pixel >>= (G); \ 421 p->r = (pixel & ((1 << (R)) - 1)) << (8 - (R)) | \ 422 ((pixel >> (2 * (R) - 8)) & ((1 << (8 - (R))) - 1)); \ 423 pixel >>= (R); \ 424 p->a = (pixel & ((1 << (A)) - 1)) << (8 - (A)) | \ 425 ((pixel >> (2 * (A) - 8)) & ((1 << (8 - (A))) - 1)); \ 426 p->a = p->a | (p->a << 8) | (p->a << 16); \ 427 } 428 429 DEF_PIXEL_TO_RGB_A(pixel_4444_to_rgb, 4, 4, 4, 4) 430 DEF_PIXEL_TO_RGB_A(pixel_8888_to_rgb, 8, 8, 8, 8) 431 432 /* Lookup table to extent 2-bit color component to 8 bit */ 433 static const uint8_t pixel_lutable_2b[4] = { 434 0x0, 0x55, 0xAA, 0xFF 435 }; 436 /* Lookup table to extent 3-bit color component to 8 bit */ 437 static const uint8_t pixel_lutable_3b[8] = { 438 0x0, 0x24, 0x49, 0x6D, 0x92, 0xB6, 0xDB, 0xFF 439 }; 440 /* Special case for a232 bpp mode */ 441 static void pixel_a232_to_rgb(uint32_t pixel, rgba *p) 442 { 443 p->b = pixel_lutable_2b[(pixel & 0x3)]; 444 pixel >>= 2; 445 p->g = pixel_lutable_3b[(pixel & 0x7)]; 446 pixel >>= 3; 447 p->r = pixel_lutable_2b[(pixel & 0x3)]; 448 pixel >>= 2; 449 p->a = (pixel & 0x1); 450 } 451 452 /* Special case for (5+1, 5+1, 5+1) mode. Data bit 15 is common LSB 453 * for all three color components */ 454 static void pixel_1555_to_rgb(uint32_t pixel, rgba *p) 455 { 456 uint8_t comm = (pixel >> 15) & 1; 457 p->b = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3); 458 pixel >>= 5; 459 p->g = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3); 460 pixel >>= 5; 461 p->r = ((((pixel & 0x1F) << 1) | comm) << 2) | ((pixel >> 3) & 0x3); 462 p->a = 0x0; 463 } 464 465 /* Put/get pixel to/from internal LCD Controller framebuffer */ 466 467 static int put_pixel_ifb(const rgba p, uint8_t *d) 468 { 469 *(uint8_t *)d++ = p.r; 470 *(uint8_t *)d++ = p.g; 471 *(uint8_t *)d++ = p.b; 472 *(uint32_t *)d = p.a; 473 return RGBA_SIZE; 474 } 475 476 static int get_pixel_ifb(const uint8_t *s, rgba *p) 477 { 478 p->r = *(uint8_t *)s++; 479 p->g = *(uint8_t *)s++; 480 p->b = *(uint8_t *)s++; 481 p->a = (*(uint32_t *)s) & 0x00FFFFFF; 482 return RGBA_SIZE; 483 } 484 485 static pixel_to_rgb_func *palette_data_format[8] = { 486 [0] = pixel_565_to_rgb, 487 [1] = pixel_a555_to_rgb, 488 [2] = pixel_666_to_rgb, 489 [3] = pixel_a665_to_rgb, 490 [4] = pixel_a666_to_rgb, 491 [5] = pixel_888_to_rgb, 492 [6] = pixel_a888_to_rgb, 493 [7] = pixel_8888_to_rgb 494 }; 495 496 /* Returns Index in palette data formats table for given window number WINDOW */ 497 static uint32_t 498 exynos4210_fimd_palette_format(Exynos4210fimdState *s, int window) 499 { 500 uint32_t ret; 501 502 switch (window) { 503 case 0: 504 ret = (s->wpalcon[1] >> FIMD_WPAL_W0PAL_L_SHT) & FIMD_WPAL_W0PAL_L; 505 if (ret != 7) { 506 ret = 6 - ret; 507 } 508 break; 509 case 1: 510 ret = (s->wpalcon[1] >> FIMD_WPAL_W1PAL_L_SHT) & FIMD_WPAL_W1PAL_L; 511 if (ret != 7) { 512 ret = 6 - ret; 513 } 514 break; 515 case 2: 516 ret = ((s->wpalcon[0] >> FIMD_WPAL_W2PAL_H_SHT) & FIMD_WPAL_W2PAL_H) | 517 ((s->wpalcon[1] >> FIMD_WPAL_W2PAL_L_SHT) & FIMD_WPAL_W2PAL_L); 518 break; 519 case 3: 520 ret = ((s->wpalcon[0] >> FIMD_WPAL_W3PAL_H_SHT) & FIMD_WPAL_W3PAL_H) | 521 ((s->wpalcon[1] >> FIMD_WPAL_W3PAL_L_SHT) & FIMD_WPAL_W3PAL_L); 522 break; 523 case 4: 524 ret = ((s->wpalcon[0] >> FIMD_WPAL_W4PAL_H_SHT) & FIMD_WPAL_W4PAL_H) | 525 ((s->wpalcon[1] >> FIMD_WPAL_W4PAL_L_SHT) & FIMD_WPAL_W4PAL_L); 526 break; 527 default: 528 hw_error("exynos4210.fimd: incorrect window number %d\n", window); 529 ret = 0; 530 break; 531 } 532 return ret; 533 } 534 535 #define FIMD_1_MINUS_COLOR(x) \ 536 ((0xFF - ((x) & 0xFF)) | (0xFF00 - ((x) & 0xFF00)) | \ 537 (0xFF0000 - ((x) & 0xFF0000))) 538 #define EXTEND_LOWER_HALFBYTE(x) (((x) & 0xF0F0F) | (((x) << 4) & 0xF0F0F0)) 539 #define EXTEND_UPPER_HALFBYTE(x) (((x) & 0xF0F0F0) | (((x) >> 4) & 0xF0F0F)) 540 541 /* Multiply three lower bytes of two 32-bit words with each other. 542 * Each byte with values 0-255 is considered as a number with possible values 543 * in a range [0 - 1] */ 544 static inline uint32_t fimd_mult_each_byte(uint32_t a, uint32_t b) 545 { 546 uint32_t tmp; 547 uint32_t ret; 548 549 ret = ((tmp = (((a & 0xFF) * (b & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF : tmp; 550 ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF)) / 0xFF)) > 0xFF) ? 551 0xFF00 : tmp << 8; 552 ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF)) / 0xFF)) > 0xFF) ? 553 0xFF0000 : tmp << 16; 554 return ret; 555 } 556 557 /* For each corresponding bytes of two 32-bit words: (a*b + c*d) 558 * Byte values 0-255 are mapped to a range [0 .. 1] */ 559 static inline uint32_t 560 fimd_mult_and_sum_each_byte(uint32_t a, uint32_t b, uint32_t c, uint32_t d) 561 { 562 uint32_t tmp; 563 uint32_t ret; 564 565 ret = ((tmp = (((a & 0xFF) * (b & 0xFF) + (c & 0xFF) * (d & 0xFF)) / 0xFF)) 566 > 0xFF) ? 0xFF : tmp; 567 ret |= ((tmp = ((((a >> 8) & 0xFF) * ((b >> 8) & 0xFF) + ((c >> 8) & 0xFF) * 568 ((d >> 8) & 0xFF)) / 0xFF)) > 0xFF) ? 0xFF00 : tmp << 8; 569 ret |= ((tmp = ((((a >> 16) & 0xFF) * ((b >> 16) & 0xFF) + 570 ((c >> 16) & 0xFF) * ((d >> 16) & 0xFF)) / 0xFF)) > 0xFF) ? 571 0xFF0000 : tmp << 16; 572 return ret; 573 } 574 575 /* These routines cover all possible sources of window's transparent factor 576 * used in blending equation. Choice of routine is affected by WPALCON 577 * registers, BLENDCON register and window's WINCON register */ 578 579 static uint32_t fimd_get_alpha_pix(Exynos4210fimdWindow *w, uint32_t pix_a) 580 { 581 return pix_a; 582 } 583 584 static uint32_t 585 fimd_get_alpha_pix_extlow(Exynos4210fimdWindow *w, uint32_t pix_a) 586 { 587 return EXTEND_LOWER_HALFBYTE(pix_a); 588 } 589 590 static uint32_t 591 fimd_get_alpha_pix_exthigh(Exynos4210fimdWindow *w, uint32_t pix_a) 592 { 593 return EXTEND_UPPER_HALFBYTE(pix_a); 594 } 595 596 static uint32_t fimd_get_alpha_mult(Exynos4210fimdWindow *w, uint32_t pix_a) 597 { 598 return fimd_mult_each_byte(pix_a, w->alpha_val[0]); 599 } 600 601 static uint32_t fimd_get_alpha_mult_ext(Exynos4210fimdWindow *w, uint32_t pix_a) 602 { 603 return fimd_mult_each_byte(EXTEND_LOWER_HALFBYTE(pix_a), 604 EXTEND_UPPER_HALFBYTE(w->alpha_val[0])); 605 } 606 607 static uint32_t fimd_get_alpha_aen(Exynos4210fimdWindow *w, uint32_t pix_a) 608 { 609 return w->alpha_val[pix_a]; 610 } 611 612 static uint32_t fimd_get_alpha_aen_ext(Exynos4210fimdWindow *w, uint32_t pix_a) 613 { 614 return EXTEND_UPPER_HALFBYTE(w->alpha_val[pix_a]); 615 } 616 617 static uint32_t fimd_get_alpha_sel(Exynos4210fimdWindow *w, uint32_t pix_a) 618 { 619 return w->alpha_val[(w->wincon & FIMD_WINCON_ALPHA_SEL) ? 1 : 0]; 620 } 621 622 static uint32_t fimd_get_alpha_sel_ext(Exynos4210fimdWindow *w, uint32_t pix_a) 623 { 624 return EXTEND_UPPER_HALFBYTE(w->alpha_val[(w->wincon & 625 FIMD_WINCON_ALPHA_SEL) ? 1 : 0]); 626 } 627 628 /* Updates currently active alpha value get function for specified window */ 629 static void fimd_update_get_alpha(Exynos4210fimdState *s, int win) 630 { 631 Exynos4210fimdWindow *w = &s->window[win]; 632 const bool alpha_is_8bit = s->blendcon & FIMD_ALPHA_8BIT; 633 634 if (w->wincon & FIMD_WINCON_BLD_PIX) { 635 if ((w->wincon & FIMD_WINCON_ALPHA_SEL) && WIN_BPP_MODE_WITH_ALPHA(w)) { 636 /* In this case, alpha component contains meaningful value */ 637 if (w->wincon & FIMD_WINCON_ALPHA_MUL) { 638 w->get_alpha = alpha_is_8bit ? 639 fimd_get_alpha_mult : fimd_get_alpha_mult_ext; 640 } else { 641 w->get_alpha = alpha_is_8bit ? 642 fimd_get_alpha_pix : fimd_get_alpha_pix_extlow; 643 } 644 } else { 645 if (IS_PALETTIZED_MODE(w) && 646 PAL_MODE_WITH_ALPHA(exynos4210_fimd_palette_format(s, win))) { 647 /* Alpha component has 8-bit numeric value */ 648 w->get_alpha = alpha_is_8bit ? 649 fimd_get_alpha_pix : fimd_get_alpha_pix_exthigh; 650 } else { 651 /* Alpha has only two possible values (AEN) */ 652 w->get_alpha = alpha_is_8bit ? 653 fimd_get_alpha_aen : fimd_get_alpha_aen_ext; 654 } 655 } 656 } else { 657 w->get_alpha = alpha_is_8bit ? fimd_get_alpha_sel : 658 fimd_get_alpha_sel_ext; 659 } 660 } 661 662 /* Blends current window's (w) pixel (foreground pixel *ret) with background 663 * window (w_blend) pixel p_bg according to formula: 664 * NEW_COLOR = a_coef x FG_PIXEL_COLOR + b_coef x BG_PIXEL_COLOR 665 * NEW_ALPHA = p_coef x FG_ALPHA + q_coef x BG_ALPHA 666 */ 667 static void 668 exynos4210_fimd_blend_pixel(Exynos4210fimdWindow *w, rgba p_bg, rgba *ret) 669 { 670 rgba p_fg = *ret; 671 uint32_t bg_color = ((p_bg.r & 0xFF) << 16) | ((p_bg.g & 0xFF) << 8) | 672 (p_bg.b & 0xFF); 673 uint32_t fg_color = ((p_fg.r & 0xFF) << 16) | ((p_fg.g & 0xFF) << 8) | 674 (p_fg.b & 0xFF); 675 uint32_t alpha_fg = p_fg.a; 676 int i; 677 /* It is possible that blending equation parameters a and b do not 678 * depend on window BLENEQ register. Account for this with first_coef */ 679 enum { A_COEF = 0, B_COEF = 1, P_COEF = 2, Q_COEF = 3, COEF_NUM = 4}; 680 uint32_t first_coef = A_COEF; 681 uint32_t blend_param[COEF_NUM]; 682 683 if (w->keycon[0] & FIMD_WKEYCON0_KEYEN) { 684 uint32_t colorkey = (w->keycon[1] & 685 ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) & FIMD_WKEYCON0_COMPKEY; 686 687 if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) && 688 (bg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) { 689 /* Foreground pixel is displayed */ 690 if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) { 691 alpha_fg = w->keyalpha; 692 blend_param[A_COEF] = alpha_fg; 693 blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg); 694 } else { 695 alpha_fg = 0; 696 blend_param[A_COEF] = 0xFFFFFF; 697 blend_param[B_COEF] = 0x0; 698 } 699 first_coef = P_COEF; 700 } else if ((w->keycon[0] & FIMD_WKEYCON0_DIRCON) == 0 && 701 (fg_color & ~(w->keycon[0] & FIMD_WKEYCON0_COMPKEY)) == colorkey) { 702 /* Background pixel is displayed */ 703 if (w->keycon[0] & FIMD_WKEYCON0_KEYBLEN) { 704 alpha_fg = w->keyalpha; 705 blend_param[A_COEF] = alpha_fg; 706 blend_param[B_COEF] = FIMD_1_MINUS_COLOR(alpha_fg); 707 } else { 708 alpha_fg = 0; 709 blend_param[A_COEF] = 0x0; 710 blend_param[B_COEF] = 0xFFFFFF; 711 } 712 first_coef = P_COEF; 713 } 714 } 715 716 for (i = first_coef; i < COEF_NUM; i++) { 717 switch ((w->blendeq >> i * 6) & FIMD_BLENDEQ_COEF_MASK) { 718 case 0: 719 blend_param[i] = 0; 720 break; 721 case 1: 722 blend_param[i] = 0xFFFFFF; 723 break; 724 case 2: 725 blend_param[i] = alpha_fg; 726 break; 727 case 3: 728 blend_param[i] = FIMD_1_MINUS_COLOR(alpha_fg); 729 break; 730 case 4: 731 blend_param[i] = p_bg.a; 732 break; 733 case 5: 734 blend_param[i] = FIMD_1_MINUS_COLOR(p_bg.a); 735 break; 736 case 6: 737 blend_param[i] = w->alpha_val[0]; 738 break; 739 case 10: 740 blend_param[i] = fg_color; 741 break; 742 case 11: 743 blend_param[i] = FIMD_1_MINUS_COLOR(fg_color); 744 break; 745 case 12: 746 blend_param[i] = bg_color; 747 break; 748 case 13: 749 blend_param[i] = FIMD_1_MINUS_COLOR(bg_color); 750 break; 751 default: 752 hw_error("exynos4210.fimd: blend equation coef illegal value\n"); 753 break; 754 } 755 } 756 757 fg_color = fimd_mult_and_sum_each_byte(bg_color, blend_param[B_COEF], 758 fg_color, blend_param[A_COEF]); 759 ret->b = fg_color & 0xFF; 760 fg_color >>= 8; 761 ret->g = fg_color & 0xFF; 762 fg_color >>= 8; 763 ret->r = fg_color & 0xFF; 764 ret->a = fimd_mult_and_sum_each_byte(alpha_fg, blend_param[P_COEF], 765 p_bg.a, blend_param[Q_COEF]); 766 } 767 768 /* These routines read data from video frame buffer in system RAM, convert 769 * this data to display controller internal representation, if necessary, 770 * perform pixel blending with data, currently presented in internal buffer. 771 * Result is stored in display controller internal frame buffer. */ 772 773 /* Draw line with index in palette table in RAM frame buffer data */ 774 #define DEF_DRAW_LINE_PALETTE(N) \ 775 static void glue(draw_line_palette_, N)(Exynos4210fimdWindow *w, uint8_t *src, \ 776 uint8_t *dst, bool blend) \ 777 { \ 778 int width = w->rightbot_x - w->lefttop_x + 1; \ 779 uint8_t *ifb = dst; \ 780 uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \ 781 uint64_t data; \ 782 rgba p, p_old; \ 783 int i; \ 784 do { \ 785 memcpy(&data, src, sizeof(data)); \ 786 src += 8; \ 787 fimd_swap_data(swap, &data); \ 788 for (i = (64 / (N) - 1); i >= 0; i--) { \ 789 w->pixel_to_rgb(w->palette[(data >> ((N) * i)) & \ 790 ((1ULL << (N)) - 1)], &p); \ 791 p.a = w->get_alpha(w, p.a); \ 792 if (blend) { \ 793 ifb += get_pixel_ifb(ifb, &p_old); \ 794 exynos4210_fimd_blend_pixel(w, p_old, &p); \ 795 } \ 796 dst += put_pixel_ifb(p, dst); \ 797 } \ 798 width -= (64 / (N)); \ 799 } while (width > 0); \ 800 } 801 802 /* Draw line with direct color value in RAM frame buffer data */ 803 #define DEF_DRAW_LINE_NOPALETTE(N) \ 804 static void glue(draw_line_, N)(Exynos4210fimdWindow *w, uint8_t *src, \ 805 uint8_t *dst, bool blend) \ 806 { \ 807 int width = w->rightbot_x - w->lefttop_x + 1; \ 808 uint8_t *ifb = dst; \ 809 uint8_t swap = (w->wincon & FIMD_WINCON_SWAP) >> FIMD_WINCON_SWAP_SHIFT; \ 810 uint64_t data; \ 811 rgba p, p_old; \ 812 int i; \ 813 do { \ 814 memcpy(&data, src, sizeof(data)); \ 815 src += 8; \ 816 fimd_swap_data(swap, &data); \ 817 for (i = (64 / (N) - 1); i >= 0; i--) { \ 818 w->pixel_to_rgb((data >> ((N) * i)) & ((1ULL << (N)) - 1), &p); \ 819 p.a = w->get_alpha(w, p.a); \ 820 if (blend) { \ 821 ifb += get_pixel_ifb(ifb, &p_old); \ 822 exynos4210_fimd_blend_pixel(w, p_old, &p); \ 823 } \ 824 dst += put_pixel_ifb(p, dst); \ 825 } \ 826 width -= (64 / (N)); \ 827 } while (width > 0); \ 828 } 829 830 DEF_DRAW_LINE_PALETTE(1) 831 DEF_DRAW_LINE_PALETTE(2) 832 DEF_DRAW_LINE_PALETTE(4) 833 DEF_DRAW_LINE_PALETTE(8) 834 DEF_DRAW_LINE_NOPALETTE(8) /* 8bpp mode has palette and non-palette versions */ 835 DEF_DRAW_LINE_NOPALETTE(16) 836 DEF_DRAW_LINE_NOPALETTE(32) 837 838 /* Special draw line routine for window color map case */ 839 static void draw_line_mapcolor(Exynos4210fimdWindow *w, uint8_t *src, 840 uint8_t *dst, bool blend) 841 { 842 rgba p, p_old; 843 uint8_t *ifb = dst; 844 int width = w->rightbot_x - w->lefttop_x + 1; 845 uint32_t map_color = w->winmap & FIMD_WINMAP_COLOR_MASK; 846 847 do { 848 pixel_888_to_rgb(map_color, &p); 849 p.a = w->get_alpha(w, p.a); 850 if (blend) { 851 ifb += get_pixel_ifb(ifb, &p_old); 852 exynos4210_fimd_blend_pixel(w, p_old, &p); 853 } 854 dst += put_pixel_ifb(p, dst); 855 } while (--width); 856 } 857 858 /* Write RGB to QEMU's GraphicConsole framebuffer */ 859 860 static int put_to_qemufb_pixel8(const rgba p, uint8_t *d) 861 { 862 uint32_t pixel = rgb_to_pixel8(p.r, p.g, p.b); 863 *(uint8_t *)d = pixel; 864 return 1; 865 } 866 867 static int put_to_qemufb_pixel15(const rgba p, uint8_t *d) 868 { 869 uint32_t pixel = rgb_to_pixel15(p.r, p.g, p.b); 870 *(uint16_t *)d = pixel; 871 return 2; 872 } 873 874 static int put_to_qemufb_pixel16(const rgba p, uint8_t *d) 875 { 876 uint32_t pixel = rgb_to_pixel16(p.r, p.g, p.b); 877 *(uint16_t *)d = pixel; 878 return 2; 879 } 880 881 static int put_to_qemufb_pixel24(const rgba p, uint8_t *d) 882 { 883 uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b); 884 *(uint8_t *)d++ = (pixel >> 0) & 0xFF; 885 *(uint8_t *)d++ = (pixel >> 8) & 0xFF; 886 *(uint8_t *)d++ = (pixel >> 16) & 0xFF; 887 return 3; 888 } 889 890 static int put_to_qemufb_pixel32(const rgba p, uint8_t *d) 891 { 892 uint32_t pixel = rgb_to_pixel24(p.r, p.g, p.b); 893 *(uint32_t *)d = pixel; 894 return 4; 895 } 896 897 /* Routine to copy pixel from internal buffer to QEMU buffer */ 898 static int (*put_pixel_toqemu)(const rgba p, uint8_t *pixel); 899 static inline void fimd_update_putpix_qemu(int bpp) 900 { 901 switch (bpp) { 902 case 8: 903 put_pixel_toqemu = put_to_qemufb_pixel8; 904 break; 905 case 15: 906 put_pixel_toqemu = put_to_qemufb_pixel15; 907 break; 908 case 16: 909 put_pixel_toqemu = put_to_qemufb_pixel16; 910 break; 911 case 24: 912 put_pixel_toqemu = put_to_qemufb_pixel24; 913 break; 914 case 32: 915 put_pixel_toqemu = put_to_qemufb_pixel32; 916 break; 917 default: 918 hw_error("exynos4210.fimd: unsupported BPP (%d)", bpp); 919 break; 920 } 921 } 922 923 /* Routine to copy a line from internal frame buffer to QEMU display */ 924 static void fimd_copy_line_toqemu(int width, uint8_t *src, uint8_t *dst) 925 { 926 rgba p; 927 928 do { 929 src += get_pixel_ifb(src, &p); 930 dst += put_pixel_toqemu(p, dst); 931 } while (--width); 932 } 933 934 /* Parse BPPMODE_F = WINCON1[5:2] bits */ 935 static void exynos4210_fimd_update_win_bppmode(Exynos4210fimdState *s, int win) 936 { 937 Exynos4210fimdWindow *w = &s->window[win]; 938 939 if (w->winmap & FIMD_WINMAP_EN) { 940 w->draw_line = draw_line_mapcolor; 941 return; 942 } 943 944 switch (WIN_BPP_MODE(w)) { 945 case 0: 946 w->draw_line = draw_line_palette_1; 947 w->pixel_to_rgb = 948 palette_data_format[exynos4210_fimd_palette_format(s, win)]; 949 break; 950 case 1: 951 w->draw_line = draw_line_palette_2; 952 w->pixel_to_rgb = 953 palette_data_format[exynos4210_fimd_palette_format(s, win)]; 954 break; 955 case 2: 956 w->draw_line = draw_line_palette_4; 957 w->pixel_to_rgb = 958 palette_data_format[exynos4210_fimd_palette_format(s, win)]; 959 break; 960 case 3: 961 w->draw_line = draw_line_palette_8; 962 w->pixel_to_rgb = 963 palette_data_format[exynos4210_fimd_palette_format(s, win)]; 964 break; 965 case 4: 966 w->draw_line = draw_line_8; 967 w->pixel_to_rgb = pixel_a232_to_rgb; 968 break; 969 case 5: 970 w->draw_line = draw_line_16; 971 w->pixel_to_rgb = pixel_565_to_rgb; 972 break; 973 case 6: 974 w->draw_line = draw_line_16; 975 w->pixel_to_rgb = pixel_a555_to_rgb; 976 break; 977 case 7: 978 w->draw_line = draw_line_16; 979 w->pixel_to_rgb = pixel_1555_to_rgb; 980 break; 981 case 8: 982 w->draw_line = draw_line_32; 983 w->pixel_to_rgb = pixel_666_to_rgb; 984 break; 985 case 9: 986 w->draw_line = draw_line_32; 987 w->pixel_to_rgb = pixel_a665_to_rgb; 988 break; 989 case 10: 990 w->draw_line = draw_line_32; 991 w->pixel_to_rgb = pixel_a666_to_rgb; 992 break; 993 case 11: 994 w->draw_line = draw_line_32; 995 w->pixel_to_rgb = pixel_888_to_rgb; 996 break; 997 case 12: 998 w->draw_line = draw_line_32; 999 w->pixel_to_rgb = pixel_a887_to_rgb; 1000 break; 1001 case 13: 1002 w->draw_line = draw_line_32; 1003 if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon & 1004 FIMD_WINCON_ALPHA_SEL)) { 1005 w->pixel_to_rgb = pixel_8888_to_rgb; 1006 } else { 1007 w->pixel_to_rgb = pixel_a888_to_rgb; 1008 } 1009 break; 1010 case 14: 1011 w->draw_line = draw_line_16; 1012 if ((w->wincon & FIMD_WINCON_BLD_PIX) && (w->wincon & 1013 FIMD_WINCON_ALPHA_SEL)) { 1014 w->pixel_to_rgb = pixel_4444_to_rgb; 1015 } else { 1016 w->pixel_to_rgb = pixel_a444_to_rgb; 1017 } 1018 break; 1019 case 15: 1020 w->draw_line = draw_line_16; 1021 w->pixel_to_rgb = pixel_555_to_rgb; 1022 break; 1023 } 1024 } 1025 1026 #if EXYNOS4210_FIMD_MODE_TRACE > 0 1027 static const char *exynos4210_fimd_get_bppmode(int mode_code) 1028 { 1029 switch (mode_code) { 1030 case 0: 1031 return "1 bpp"; 1032 case 1: 1033 return "2 bpp"; 1034 case 2: 1035 return "4 bpp"; 1036 case 3: 1037 return "8 bpp (palettized)"; 1038 case 4: 1039 return "8 bpp (non-palettized, A: 1-R:2-G:3-B:2)"; 1040 case 5: 1041 return "16 bpp (non-palettized, R:5-G:6-B:5)"; 1042 case 6: 1043 return "16 bpp (non-palettized, A:1-R:5-G:5-B:5)"; 1044 case 7: 1045 return "16 bpp (non-palettized, I :1-R:5-G:5-B:5)"; 1046 case 8: 1047 return "Unpacked 18 bpp (non-palettized, R:6-G:6-B:6)"; 1048 case 9: 1049 return "Unpacked 18bpp (non-palettized,A:1-R:6-G:6-B:5)"; 1050 case 10: 1051 return "Unpacked 19bpp (non-palettized,A:1-R:6-G:6-B:6)"; 1052 case 11: 1053 return "Unpacked 24 bpp (non-palettized R:8-G:8-B:8)"; 1054 case 12: 1055 return "Unpacked 24 bpp (non-palettized A:1-R:8-G:8-B:7)"; 1056 case 13: 1057 return "Unpacked 25 bpp (non-palettized A:1-R:8-G:8-B:8)"; 1058 case 14: 1059 return "Unpacked 13 bpp (non-palettized A:1-R:4-G:4-B:4)"; 1060 case 15: 1061 return "Unpacked 15 bpp (non-palettized R:5-G:5-B:5)"; 1062 default: 1063 return "Non-existing bpp mode"; 1064 } 1065 } 1066 1067 static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s, 1068 int win_num, uint32_t val) 1069 { 1070 Exynos4210fimdWindow *w = &s->window[win_num]; 1071 1072 if (w->winmap & FIMD_WINMAP_EN) { 1073 printf("QEMU FIMD: Window %d is mapped with MAPCOLOR=0x%x\n", 1074 win_num, w->winmap & 0xFFFFFF); 1075 return; 1076 } 1077 1078 if ((val != 0xFFFFFFFF) && ((w->wincon >> 2) & 0xF) == ((val >> 2) & 0xF)) { 1079 return; 1080 } 1081 printf("QEMU FIMD: Window %d BPP mode set to %s\n", win_num, 1082 exynos4210_fimd_get_bppmode((val >> 2) & 0xF)); 1083 } 1084 #else 1085 static inline void exynos4210_fimd_trace_bppmode(Exynos4210fimdState *s, 1086 int win_num, uint32_t val) 1087 { 1088 1089 } 1090 #endif 1091 1092 static inline int fimd_get_buffer_id(Exynos4210fimdWindow *w) 1093 { 1094 switch (w->wincon & FIMD_WINCON_BUFSTATUS) { 1095 case FIMD_WINCON_BUF0_STAT: 1096 return 0; 1097 case FIMD_WINCON_BUF1_STAT: 1098 return 1; 1099 case FIMD_WINCON_BUF2_STAT: 1100 return 2; 1101 default: 1102 DPRINT_ERROR("Non-existent buffer index\n"); 1103 return 0; 1104 } 1105 } 1106 1107 /* Updates specified window's MemorySection based on values of WINCON, 1108 * VIDOSDA, VIDOSDB, VIDWADDx and SHADOWCON registers */ 1109 static void fimd_update_memory_section(Exynos4210fimdState *s, unsigned win) 1110 { 1111 Exynos4210fimdWindow *w = &s->window[win]; 1112 hwaddr fb_start_addr, fb_mapped_len; 1113 1114 if (!s->enabled || !(w->wincon & FIMD_WINCON_ENWIN) || 1115 FIMD_WINDOW_PROTECTED(s->shadowcon, win)) { 1116 return; 1117 } 1118 1119 if (w->host_fb_addr) { 1120 cpu_physical_memory_unmap(w->host_fb_addr, w->fb_len, 0, 0); 1121 w->host_fb_addr = NULL; 1122 w->fb_len = 0; 1123 } 1124 1125 fb_start_addr = w->buf_start[fimd_get_buffer_id(w)]; 1126 /* Total number of bytes of virtual screen used by current window */ 1127 w->fb_len = fb_mapped_len = (w->virtpage_width + w->virtpage_offsize) * 1128 (w->rightbot_y - w->lefttop_y + 1); 1129 1130 /* TODO: add .exit and unref the region there. Not needed yet since sysbus 1131 * does not support hot-unplug. 1132 */ 1133 memory_region_unref(w->mem_section.mr); 1134 w->mem_section = memory_region_find(sysbus_address_space(&s->busdev), 1135 fb_start_addr, w->fb_len); 1136 assert(w->mem_section.mr); 1137 assert(w->mem_section.offset_within_address_space == fb_start_addr); 1138 DPRINT_TRACE("Window %u framebuffer changed: address=0x%08x, len=0x%x\n", 1139 win, fb_start_addr, w->fb_len); 1140 1141 if (int128_get64(w->mem_section.size) != w->fb_len || 1142 !memory_region_is_ram(w->mem_section.mr)) { 1143 DPRINT_ERROR("Failed to find window %u framebuffer region\n", win); 1144 goto error_return; 1145 } 1146 1147 w->host_fb_addr = cpu_physical_memory_map(fb_start_addr, &fb_mapped_len, 0); 1148 if (!w->host_fb_addr) { 1149 DPRINT_ERROR("Failed to map window %u framebuffer\n", win); 1150 goto error_return; 1151 } 1152 1153 if (fb_mapped_len != w->fb_len) { 1154 DPRINT_ERROR("Window %u mapped framebuffer length is less then " 1155 "expected\n", win); 1156 cpu_physical_memory_unmap(w->host_fb_addr, fb_mapped_len, 0, 0); 1157 goto error_return; 1158 } 1159 return; 1160 1161 error_return: 1162 memory_region_unref(w->mem_section.mr); 1163 w->mem_section.mr = NULL; 1164 w->mem_section.size = int128_zero(); 1165 w->host_fb_addr = NULL; 1166 w->fb_len = 0; 1167 } 1168 1169 static void exynos4210_fimd_enable(Exynos4210fimdState *s, bool enabled) 1170 { 1171 if (enabled && !s->enabled) { 1172 unsigned w; 1173 s->enabled = true; 1174 for (w = 0; w < NUM_OF_WINDOWS; w++) { 1175 fimd_update_memory_section(s, w); 1176 } 1177 } 1178 s->enabled = enabled; 1179 DPRINT_TRACE("display controller %s\n", enabled ? "enabled" : "disabled"); 1180 } 1181 1182 static inline uint32_t unpack_upper_4(uint32_t x) 1183 { 1184 return ((x & 0xF00) << 12) | ((x & 0xF0) << 8) | ((x & 0xF) << 4); 1185 } 1186 1187 static inline uint32_t pack_upper_4(uint32_t x) 1188 { 1189 return (((x & 0xF00000) >> 12) | ((x & 0xF000) >> 8) | 1190 ((x & 0xF0) >> 4)) & 0xFFF; 1191 } 1192 1193 static void exynos4210_fimd_update_irq(Exynos4210fimdState *s) 1194 { 1195 if (!(s->vidintcon[0] & FIMD_VIDINT_INTEN)) { 1196 qemu_irq_lower(s->irq[0]); 1197 qemu_irq_lower(s->irq[1]); 1198 qemu_irq_lower(s->irq[2]); 1199 return; 1200 } 1201 if ((s->vidintcon[0] & FIMD_VIDINT_INTFIFOEN) && 1202 (s->vidintcon[1] & FIMD_VIDINT_INTFIFOPEND)) { 1203 qemu_irq_raise(s->irq[0]); 1204 } else { 1205 qemu_irq_lower(s->irq[0]); 1206 } 1207 if ((s->vidintcon[0] & FIMD_VIDINT_INTFRMEN) && 1208 (s->vidintcon[1] & FIMD_VIDINT_INTFRMPEND)) { 1209 qemu_irq_raise(s->irq[1]); 1210 } else { 1211 qemu_irq_lower(s->irq[1]); 1212 } 1213 if ((s->vidintcon[0] & FIMD_VIDINT_I80IFDONE) && 1214 (s->vidintcon[1] & FIMD_VIDINT_INTI80PEND)) { 1215 qemu_irq_raise(s->irq[2]); 1216 } else { 1217 qemu_irq_lower(s->irq[2]); 1218 } 1219 } 1220 1221 static void exynos4210_fimd_invalidate(void *opaque) 1222 { 1223 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; 1224 s->invalidate = true; 1225 } 1226 1227 static void exynos4210_update_resolution(Exynos4210fimdState *s) 1228 { 1229 DisplaySurface *surface = qemu_console_surface(s->console); 1230 1231 /* LCD resolution is stored in VIDEO TIME CONTROL REGISTER 2 */ 1232 uint32_t width = ((s->vidtcon[2] >> FIMD_VIDTCON2_HOR_SHIFT) & 1233 FIMD_VIDTCON2_SIZE_MASK) + 1; 1234 uint32_t height = ((s->vidtcon[2] >> FIMD_VIDTCON2_VER_SHIFT) & 1235 FIMD_VIDTCON2_SIZE_MASK) + 1; 1236 1237 if (s->ifb == NULL || surface_width(surface) != width || 1238 surface_height(surface) != height) { 1239 DPRINT_L1("Resolution changed from %ux%u to %ux%u\n", 1240 surface_width(surface), surface_height(surface), width, height); 1241 qemu_console_resize(s->console, width, height); 1242 s->ifb = g_realloc(s->ifb, width * height * RGBA_SIZE + 1); 1243 memset(s->ifb, 0, width * height * RGBA_SIZE + 1); 1244 exynos4210_fimd_invalidate(s); 1245 } 1246 } 1247 1248 static void exynos4210_fimd_update(void *opaque) 1249 { 1250 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; 1251 DisplaySurface *surface; 1252 Exynos4210fimdWindow *w; 1253 int i, line; 1254 hwaddr fb_line_addr, inc_size; 1255 int scrn_height; 1256 int first_line = -1, last_line = -1, scrn_width; 1257 bool blend = false; 1258 uint8_t *host_fb_addr; 1259 bool is_dirty = false; 1260 const int global_width = (s->vidtcon[2] & FIMD_VIDTCON2_SIZE_MASK) + 1; 1261 const int global_height = ((s->vidtcon[2] >> FIMD_VIDTCON2_VER_SHIFT) & 1262 FIMD_VIDTCON2_SIZE_MASK) + 1; 1263 1264 if (!s || !s->console || !s->enabled || 1265 surface_bits_per_pixel(qemu_console_surface(s->console)) == 0) { 1266 return; 1267 } 1268 exynos4210_update_resolution(s); 1269 surface = qemu_console_surface(s->console); 1270 1271 for (i = 0; i < NUM_OF_WINDOWS; i++) { 1272 w = &s->window[i]; 1273 if ((w->wincon & FIMD_WINCON_ENWIN) && w->host_fb_addr) { 1274 scrn_height = w->rightbot_y - w->lefttop_y + 1; 1275 scrn_width = w->virtpage_width; 1276 /* Total width of virtual screen page in bytes */ 1277 inc_size = scrn_width + w->virtpage_offsize; 1278 memory_region_sync_dirty_bitmap(w->mem_section.mr); 1279 host_fb_addr = w->host_fb_addr; 1280 fb_line_addr = w->mem_section.offset_within_region; 1281 1282 for (line = 0; line < scrn_height; line++) { 1283 is_dirty = memory_region_get_dirty(w->mem_section.mr, 1284 fb_line_addr, scrn_width, DIRTY_MEMORY_VGA); 1285 1286 if (s->invalidate || is_dirty) { 1287 if (first_line == -1) { 1288 first_line = line; 1289 } 1290 last_line = line; 1291 w->draw_line(w, host_fb_addr, s->ifb + 1292 w->lefttop_x * RGBA_SIZE + (w->lefttop_y + line) * 1293 global_width * RGBA_SIZE, blend); 1294 } 1295 host_fb_addr += inc_size; 1296 fb_line_addr += inc_size; 1297 is_dirty = false; 1298 } 1299 memory_region_reset_dirty(w->mem_section.mr, 1300 w->mem_section.offset_within_region, 1301 w->fb_len, DIRTY_MEMORY_VGA); 1302 blend = true; 1303 } 1304 } 1305 1306 /* Copy resulting image to QEMU_CONSOLE. */ 1307 if (first_line >= 0) { 1308 uint8_t *d; 1309 int bpp; 1310 1311 bpp = surface_bits_per_pixel(surface); 1312 fimd_update_putpix_qemu(bpp); 1313 bpp = (bpp + 1) >> 3; 1314 d = surface_data(surface); 1315 for (line = first_line; line <= last_line; line++) { 1316 fimd_copy_line_toqemu(global_width, s->ifb + global_width * line * 1317 RGBA_SIZE, d + global_width * line * bpp); 1318 } 1319 dpy_gfx_update(s->console, 0, 0, global_width, global_height); 1320 } 1321 s->invalidate = false; 1322 s->vidintcon[1] |= FIMD_VIDINT_INTFRMPEND; 1323 if ((s->vidcon[0] & FIMD_VIDCON0_ENVID_F) == 0) { 1324 exynos4210_fimd_enable(s, false); 1325 } 1326 exynos4210_fimd_update_irq(s); 1327 } 1328 1329 static void exynos4210_fimd_reset(DeviceState *d) 1330 { 1331 Exynos4210fimdState *s = DO_UPCAST(Exynos4210fimdState, busdev.qdev, d); 1332 unsigned w; 1333 1334 DPRINT_TRACE("Display controller reset\n"); 1335 /* Set all display controller registers to 0 */ 1336 memset(&s->vidcon, 0, (uint8_t *)&s->window - (uint8_t *)&s->vidcon); 1337 for (w = 0; w < NUM_OF_WINDOWS; w++) { 1338 memset(&s->window[w], 0, sizeof(Exynos4210fimdWindow)); 1339 s->window[w].blendeq = 0xC2; 1340 exynos4210_fimd_update_win_bppmode(s, w); 1341 exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF); 1342 fimd_update_get_alpha(s, w); 1343 } 1344 1345 if (s->ifb != NULL) { 1346 g_free(s->ifb); 1347 } 1348 s->ifb = NULL; 1349 1350 exynos4210_fimd_invalidate(s); 1351 exynos4210_fimd_enable(s, false); 1352 /* Some registers have non-zero initial values */ 1353 s->winchmap = 0x7D517D51; 1354 s->colorgaincon = 0x10040100; 1355 s->huecoef_cr[0] = s->huecoef_cr[3] = 0x01000100; 1356 s->huecoef_cb[0] = s->huecoef_cb[3] = 0x01000100; 1357 s->hueoffset = 0x01800080; 1358 } 1359 1360 static void exynos4210_fimd_write(void *opaque, hwaddr offset, 1361 uint64_t val, unsigned size) 1362 { 1363 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; 1364 unsigned w, i; 1365 uint32_t old_value; 1366 1367 DPRINT_L2("write offset 0x%08x, value=%llu(0x%08llx)\n", offset, 1368 (long long unsigned int)val, (long long unsigned int)val); 1369 1370 switch (offset) { 1371 case FIMD_VIDCON0: 1372 if ((val & FIMD_VIDCON0_ENVID_MASK) == FIMD_VIDCON0_ENVID_MASK) { 1373 exynos4210_fimd_enable(s, true); 1374 } else { 1375 if ((val & FIMD_VIDCON0_ENVID) == 0) { 1376 exynos4210_fimd_enable(s, false); 1377 } 1378 } 1379 s->vidcon[0] = val; 1380 break; 1381 case FIMD_VIDCON1: 1382 /* Leave read-only bits as is */ 1383 val = (val & (~FIMD_VIDCON1_ROMASK)) | 1384 (s->vidcon[1] & FIMD_VIDCON1_ROMASK); 1385 s->vidcon[1] = val; 1386 break; 1387 case FIMD_VIDCON2 ... FIMD_VIDCON3: 1388 s->vidcon[(offset) >> 2] = val; 1389 break; 1390 case FIMD_VIDTCON_START ... FIMD_VIDTCON_END: 1391 s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2] = val; 1392 break; 1393 case FIMD_WINCON_START ... FIMD_WINCON_END: 1394 w = (offset - FIMD_WINCON_START) >> 2; 1395 /* Window's current buffer ID */ 1396 i = fimd_get_buffer_id(&s->window[w]); 1397 old_value = s->window[w].wincon; 1398 val = (val & ~FIMD_WINCON_ROMASK) | 1399 (s->window[w].wincon & FIMD_WINCON_ROMASK); 1400 if (w == 0) { 1401 /* Window 0 wincon ALPHA_MUL bit must always be 0 */ 1402 val &= ~FIMD_WINCON_ALPHA_MUL; 1403 } 1404 exynos4210_fimd_trace_bppmode(s, w, val); 1405 switch (val & FIMD_WINCON_BUFSELECT) { 1406 case FIMD_WINCON_BUF0_SEL: 1407 val &= ~FIMD_WINCON_BUFSTATUS; 1408 break; 1409 case FIMD_WINCON_BUF1_SEL: 1410 val = (val & ~FIMD_WINCON_BUFSTAT_H) | FIMD_WINCON_BUFSTAT_L; 1411 break; 1412 case FIMD_WINCON_BUF2_SEL: 1413 if (val & FIMD_WINCON_BUFMODE) { 1414 val = (val & ~FIMD_WINCON_BUFSTAT_L) | FIMD_WINCON_BUFSTAT_H; 1415 } 1416 break; 1417 default: 1418 break; 1419 } 1420 s->window[w].wincon = val; 1421 exynos4210_fimd_update_win_bppmode(s, w); 1422 fimd_update_get_alpha(s, w); 1423 if ((i != fimd_get_buffer_id(&s->window[w])) || 1424 (!(old_value & FIMD_WINCON_ENWIN) && (s->window[w].wincon & 1425 FIMD_WINCON_ENWIN))) { 1426 fimd_update_memory_section(s, w); 1427 } 1428 break; 1429 case FIMD_SHADOWCON: 1430 old_value = s->shadowcon; 1431 s->shadowcon = val; 1432 for (w = 0; w < NUM_OF_WINDOWS; w++) { 1433 if (FIMD_WINDOW_PROTECTED(old_value, w) && 1434 !FIMD_WINDOW_PROTECTED(s->shadowcon, w)) { 1435 fimd_update_memory_section(s, w); 1436 } 1437 } 1438 break; 1439 case FIMD_WINCHMAP: 1440 s->winchmap = val; 1441 break; 1442 case FIMD_VIDOSD_START ... FIMD_VIDOSD_END: 1443 w = (offset - FIMD_VIDOSD_START) >> 4; 1444 i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2; 1445 switch (i) { 1446 case 0: 1447 old_value = s->window[w].lefttop_y; 1448 s->window[w].lefttop_x = (val >> FIMD_VIDOSD_HOR_SHIFT) & 1449 FIMD_VIDOSD_COORD_MASK; 1450 s->window[w].lefttop_y = (val >> FIMD_VIDOSD_VER_SHIFT) & 1451 FIMD_VIDOSD_COORD_MASK; 1452 if (s->window[w].lefttop_y != old_value) { 1453 fimd_update_memory_section(s, w); 1454 } 1455 break; 1456 case 1: 1457 old_value = s->window[w].rightbot_y; 1458 s->window[w].rightbot_x = (val >> FIMD_VIDOSD_HOR_SHIFT) & 1459 FIMD_VIDOSD_COORD_MASK; 1460 s->window[w].rightbot_y = (val >> FIMD_VIDOSD_VER_SHIFT) & 1461 FIMD_VIDOSD_COORD_MASK; 1462 if (s->window[w].rightbot_y != old_value) { 1463 fimd_update_memory_section(s, w); 1464 } 1465 break; 1466 case 2: 1467 if (w == 0) { 1468 s->window[w].osdsize = val; 1469 } else { 1470 s->window[w].alpha_val[0] = 1471 unpack_upper_4((val & FIMD_VIDOSD_ALPHA_AEN0) >> 1472 FIMD_VIDOSD_AEN0_SHIFT) | 1473 (s->window[w].alpha_val[0] & FIMD_VIDALPHA_ALPHA_LOWER); 1474 s->window[w].alpha_val[1] = 1475 unpack_upper_4(val & FIMD_VIDOSD_ALPHA_AEN1) | 1476 (s->window[w].alpha_val[1] & FIMD_VIDALPHA_ALPHA_LOWER); 1477 } 1478 break; 1479 case 3: 1480 if (w != 1 && w != 2) { 1481 DPRINT_ERROR("Bad write offset 0x%08x\n", offset); 1482 return; 1483 } 1484 s->window[w].osdsize = val; 1485 break; 1486 } 1487 break; 1488 case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END: 1489 w = (offset - FIMD_VIDWADD0_START) >> 3; 1490 i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1; 1491 if (i == fimd_get_buffer_id(&s->window[w]) && 1492 s->window[w].buf_start[i] != val) { 1493 s->window[w].buf_start[i] = val; 1494 fimd_update_memory_section(s, w); 1495 break; 1496 } 1497 s->window[w].buf_start[i] = val; 1498 break; 1499 case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END: 1500 w = (offset - FIMD_VIDWADD1_START) >> 3; 1501 i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1; 1502 s->window[w].buf_end[i] = val; 1503 break; 1504 case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END: 1505 w = (offset - FIMD_VIDWADD2_START) >> 2; 1506 if (((val & FIMD_VIDWADD2_PAGEWIDTH) != s->window[w].virtpage_width) || 1507 (((val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE) != 1508 s->window[w].virtpage_offsize)) { 1509 s->window[w].virtpage_width = val & FIMD_VIDWADD2_PAGEWIDTH; 1510 s->window[w].virtpage_offsize = 1511 (val >> FIMD_VIDWADD2_OFFSIZE_SHIFT) & FIMD_VIDWADD2_OFFSIZE; 1512 fimd_update_memory_section(s, w); 1513 } 1514 break; 1515 case FIMD_VIDINTCON0: 1516 s->vidintcon[0] = val; 1517 break; 1518 case FIMD_VIDINTCON1: 1519 s->vidintcon[1] &= ~(val & 7); 1520 exynos4210_fimd_update_irq(s); 1521 break; 1522 case FIMD_WKEYCON_START ... FIMD_WKEYCON_END: 1523 w = ((offset - FIMD_WKEYCON_START) >> 3) + 1; 1524 i = ((offset - FIMD_WKEYCON_START) >> 2) & 1; 1525 s->window[w].keycon[i] = val; 1526 break; 1527 case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END: 1528 w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1; 1529 s->window[w].keyalpha = val; 1530 break; 1531 case FIMD_DITHMODE: 1532 s->dithmode = val; 1533 break; 1534 case FIMD_WINMAP_START ... FIMD_WINMAP_END: 1535 w = (offset - FIMD_WINMAP_START) >> 2; 1536 old_value = s->window[w].winmap; 1537 s->window[w].winmap = val; 1538 if ((val & FIMD_WINMAP_EN) ^ (old_value & FIMD_WINMAP_EN)) { 1539 exynos4210_fimd_invalidate(s); 1540 exynos4210_fimd_update_win_bppmode(s, w); 1541 exynos4210_fimd_trace_bppmode(s, w, 0xFFFFFFFF); 1542 exynos4210_fimd_update(s); 1543 } 1544 break; 1545 case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW: 1546 i = (offset - FIMD_WPALCON_HIGH) >> 2; 1547 s->wpalcon[i] = val; 1548 if (s->wpalcon[1] & FIMD_WPALCON_UPDATEEN) { 1549 for (w = 0; w < NUM_OF_WINDOWS; w++) { 1550 exynos4210_fimd_update_win_bppmode(s, w); 1551 fimd_update_get_alpha(s, w); 1552 } 1553 } 1554 break; 1555 case FIMD_TRIGCON: 1556 val = (val & ~FIMD_TRIGCON_ROMASK) | (s->trigcon & FIMD_TRIGCON_ROMASK); 1557 s->trigcon = val; 1558 break; 1559 case FIMD_I80IFCON_START ... FIMD_I80IFCON_END: 1560 s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2] = val; 1561 break; 1562 case FIMD_COLORGAINCON: 1563 s->colorgaincon = val; 1564 break; 1565 case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1: 1566 s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2] = val; 1567 break; 1568 case FIMD_SIFCCON0 ... FIMD_SIFCCON2: 1569 i = (offset - FIMD_SIFCCON0) >> 2; 1570 if (i != 2) { 1571 s->sifccon[i] = val; 1572 } 1573 break; 1574 case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END: 1575 i = (offset - FIMD_HUECOEFCR_START) >> 2; 1576 s->huecoef_cr[i] = val; 1577 break; 1578 case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END: 1579 i = (offset - FIMD_HUECOEFCB_START) >> 2; 1580 s->huecoef_cb[i] = val; 1581 break; 1582 case FIMD_HUEOFFSET: 1583 s->hueoffset = val; 1584 break; 1585 case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END: 1586 w = ((offset - FIMD_VIDWALPHA_START) >> 3); 1587 i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1; 1588 if (w == 0) { 1589 s->window[w].alpha_val[i] = val; 1590 } else { 1591 s->window[w].alpha_val[i] = (val & FIMD_VIDALPHA_ALPHA_LOWER) | 1592 (s->window[w].alpha_val[i] & FIMD_VIDALPHA_ALPHA_UPPER); 1593 } 1594 break; 1595 case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END: 1596 s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq = val; 1597 break; 1598 case FIMD_BLENDCON: 1599 old_value = s->blendcon; 1600 s->blendcon = val; 1601 if ((s->blendcon & FIMD_ALPHA_8BIT) != (old_value & FIMD_ALPHA_8BIT)) { 1602 for (w = 0; w < NUM_OF_WINDOWS; w++) { 1603 fimd_update_get_alpha(s, w); 1604 } 1605 } 1606 break; 1607 case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END: 1608 s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon = val; 1609 break; 1610 case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END: 1611 s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2] = val; 1612 break; 1613 case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2: 1614 if (offset & 0x0004) { 1615 DPRINT_ERROR("bad write offset 0x%08x\n", offset); 1616 break; 1617 } 1618 w = (offset - FIMD_VIDW0ADD0_B2) >> 3; 1619 if (fimd_get_buffer_id(&s->window[w]) == 2 && 1620 s->window[w].buf_start[2] != val) { 1621 s->window[w].buf_start[2] = val; 1622 fimd_update_memory_section(s, w); 1623 break; 1624 } 1625 s->window[w].buf_start[2] = val; 1626 break; 1627 case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END: 1628 if (offset & 0x0004) { 1629 DPRINT_ERROR("bad write offset 0x%08x\n", offset); 1630 break; 1631 } 1632 s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start = val; 1633 break; 1634 case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END: 1635 if (offset & 0x0004) { 1636 DPRINT_ERROR("bad write offset 0x%08x\n", offset); 1637 break; 1638 } 1639 s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end = val; 1640 break; 1641 case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END: 1642 s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size = val; 1643 break; 1644 case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END: 1645 w = (offset - FIMD_PAL_MEM_START) >> 10; 1646 i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF; 1647 s->window[w].palette[i] = val; 1648 break; 1649 case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END: 1650 /* Palette memory aliases for windows 0 and 1 */ 1651 w = (offset - FIMD_PALMEM_AL_START) >> 10; 1652 i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF; 1653 s->window[w].palette[i] = val; 1654 break; 1655 default: 1656 DPRINT_ERROR("bad write offset 0x%08x\n", offset); 1657 break; 1658 } 1659 } 1660 1661 static uint64_t exynos4210_fimd_read(void *opaque, hwaddr offset, 1662 unsigned size) 1663 { 1664 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; 1665 int w, i; 1666 uint32_t ret = 0; 1667 1668 DPRINT_L2("read offset 0x%08x\n", offset); 1669 1670 switch (offset) { 1671 case FIMD_VIDCON0 ... FIMD_VIDCON3: 1672 return s->vidcon[(offset - FIMD_VIDCON0) >> 2]; 1673 case FIMD_VIDTCON_START ... FIMD_VIDTCON_END: 1674 return s->vidtcon[(offset - FIMD_VIDTCON_START) >> 2]; 1675 case FIMD_WINCON_START ... FIMD_WINCON_END: 1676 return s->window[(offset - FIMD_WINCON_START) >> 2].wincon; 1677 case FIMD_SHADOWCON: 1678 return s->shadowcon; 1679 case FIMD_WINCHMAP: 1680 return s->winchmap; 1681 case FIMD_VIDOSD_START ... FIMD_VIDOSD_END: 1682 w = (offset - FIMD_VIDOSD_START) >> 4; 1683 i = ((offset - FIMD_VIDOSD_START) & 0xF) >> 2; 1684 switch (i) { 1685 case 0: 1686 ret = ((s->window[w].lefttop_x & FIMD_VIDOSD_COORD_MASK) << 1687 FIMD_VIDOSD_HOR_SHIFT) | 1688 (s->window[w].lefttop_y & FIMD_VIDOSD_COORD_MASK); 1689 break; 1690 case 1: 1691 ret = ((s->window[w].rightbot_x & FIMD_VIDOSD_COORD_MASK) << 1692 FIMD_VIDOSD_HOR_SHIFT) | 1693 (s->window[w].rightbot_y & FIMD_VIDOSD_COORD_MASK); 1694 break; 1695 case 2: 1696 if (w == 0) { 1697 ret = s->window[w].osdsize; 1698 } else { 1699 ret = (pack_upper_4(s->window[w].alpha_val[0]) << 1700 FIMD_VIDOSD_AEN0_SHIFT) | 1701 pack_upper_4(s->window[w].alpha_val[1]); 1702 } 1703 break; 1704 case 3: 1705 if (w != 1 && w != 2) { 1706 DPRINT_ERROR("bad read offset 0x%08x\n", offset); 1707 return 0xBAADBAAD; 1708 } 1709 ret = s->window[w].osdsize; 1710 break; 1711 } 1712 return ret; 1713 case FIMD_VIDWADD0_START ... FIMD_VIDWADD0_END: 1714 w = (offset - FIMD_VIDWADD0_START) >> 3; 1715 i = ((offset - FIMD_VIDWADD0_START) >> 2) & 1; 1716 return s->window[w].buf_start[i]; 1717 case FIMD_VIDWADD1_START ... FIMD_VIDWADD1_END: 1718 w = (offset - FIMD_VIDWADD1_START) >> 3; 1719 i = ((offset - FIMD_VIDWADD1_START) >> 2) & 1; 1720 return s->window[w].buf_end[i]; 1721 case FIMD_VIDWADD2_START ... FIMD_VIDWADD2_END: 1722 w = (offset - FIMD_VIDWADD2_START) >> 2; 1723 return s->window[w].virtpage_width | (s->window[w].virtpage_offsize << 1724 FIMD_VIDWADD2_OFFSIZE_SHIFT); 1725 case FIMD_VIDINTCON0 ... FIMD_VIDINTCON1: 1726 return s->vidintcon[(offset - FIMD_VIDINTCON0) >> 2]; 1727 case FIMD_WKEYCON_START ... FIMD_WKEYCON_END: 1728 w = ((offset - FIMD_WKEYCON_START) >> 3) + 1; 1729 i = ((offset - FIMD_WKEYCON_START) >> 2) & 1; 1730 return s->window[w].keycon[i]; 1731 case FIMD_WKEYALPHA_START ... FIMD_WKEYALPHA_END: 1732 w = ((offset - FIMD_WKEYALPHA_START) >> 2) + 1; 1733 return s->window[w].keyalpha; 1734 case FIMD_DITHMODE: 1735 return s->dithmode; 1736 case FIMD_WINMAP_START ... FIMD_WINMAP_END: 1737 return s->window[(offset - FIMD_WINMAP_START) >> 2].winmap; 1738 case FIMD_WPALCON_HIGH ... FIMD_WPALCON_LOW: 1739 return s->wpalcon[(offset - FIMD_WPALCON_HIGH) >> 2]; 1740 case FIMD_TRIGCON: 1741 return s->trigcon; 1742 case FIMD_I80IFCON_START ... FIMD_I80IFCON_END: 1743 return s->i80ifcon[(offset - FIMD_I80IFCON_START) >> 2]; 1744 case FIMD_COLORGAINCON: 1745 return s->colorgaincon; 1746 case FIMD_LDI_CMDCON0 ... FIMD_LDI_CMDCON1: 1747 return s->ldi_cmdcon[(offset - FIMD_LDI_CMDCON0) >> 2]; 1748 case FIMD_SIFCCON0 ... FIMD_SIFCCON2: 1749 i = (offset - FIMD_SIFCCON0) >> 2; 1750 return s->sifccon[i]; 1751 case FIMD_HUECOEFCR_START ... FIMD_HUECOEFCR_END: 1752 i = (offset - FIMD_HUECOEFCR_START) >> 2; 1753 return s->huecoef_cr[i]; 1754 case FIMD_HUECOEFCB_START ... FIMD_HUECOEFCB_END: 1755 i = (offset - FIMD_HUECOEFCB_START) >> 2; 1756 return s->huecoef_cb[i]; 1757 case FIMD_HUEOFFSET: 1758 return s->hueoffset; 1759 case FIMD_VIDWALPHA_START ... FIMD_VIDWALPHA_END: 1760 w = ((offset - FIMD_VIDWALPHA_START) >> 3); 1761 i = ((offset - FIMD_VIDWALPHA_START) >> 2) & 1; 1762 return s->window[w].alpha_val[i] & 1763 (w == 0 ? 0xFFFFFF : FIMD_VIDALPHA_ALPHA_LOWER); 1764 case FIMD_BLENDEQ_START ... FIMD_BLENDEQ_END: 1765 return s->window[(offset - FIMD_BLENDEQ_START) >> 2].blendeq; 1766 case FIMD_BLENDCON: 1767 return s->blendcon; 1768 case FIMD_WRTQOSCON_START ... FIMD_WRTQOSCON_END: 1769 return s->window[(offset - FIMD_WRTQOSCON_START) >> 2].rtqoscon; 1770 case FIMD_I80IFCMD_START ... FIMD_I80IFCMD_END: 1771 return s->i80ifcmd[(offset - FIMD_I80IFCMD_START) >> 2]; 1772 case FIMD_VIDW0ADD0_B2 ... FIMD_VIDW4ADD0_B2: 1773 if (offset & 0x0004) { 1774 break; 1775 } 1776 return s->window[(offset - FIMD_VIDW0ADD0_B2) >> 3].buf_start[2]; 1777 case FIMD_SHD_ADD0_START ... FIMD_SHD_ADD0_END: 1778 if (offset & 0x0004) { 1779 break; 1780 } 1781 return s->window[(offset - FIMD_SHD_ADD0_START) >> 3].shadow_buf_start; 1782 case FIMD_SHD_ADD1_START ... FIMD_SHD_ADD1_END: 1783 if (offset & 0x0004) { 1784 break; 1785 } 1786 return s->window[(offset - FIMD_SHD_ADD1_START) >> 3].shadow_buf_end; 1787 case FIMD_SHD_ADD2_START ... FIMD_SHD_ADD2_END: 1788 return s->window[(offset - FIMD_SHD_ADD2_START) >> 2].shadow_buf_size; 1789 case FIMD_PAL_MEM_START ... FIMD_PAL_MEM_END: 1790 w = (offset - FIMD_PAL_MEM_START) >> 10; 1791 i = ((offset - FIMD_PAL_MEM_START) >> 2) & 0xFF; 1792 return s->window[w].palette[i]; 1793 case FIMD_PALMEM_AL_START ... FIMD_PALMEM_AL_END: 1794 /* Palette aliases for win 0,1 */ 1795 w = (offset - FIMD_PALMEM_AL_START) >> 10; 1796 i = ((offset - FIMD_PALMEM_AL_START) >> 2) & 0xFF; 1797 return s->window[w].palette[i]; 1798 } 1799 1800 DPRINT_ERROR("bad read offset 0x%08x\n", offset); 1801 return 0xBAADBAAD; 1802 } 1803 1804 static const MemoryRegionOps exynos4210_fimd_mmio_ops = { 1805 .read = exynos4210_fimd_read, 1806 .write = exynos4210_fimd_write, 1807 .valid = { 1808 .min_access_size = 4, 1809 .max_access_size = 4, 1810 .unaligned = false 1811 }, 1812 .endianness = DEVICE_NATIVE_ENDIAN, 1813 }; 1814 1815 static int exynos4210_fimd_load(void *opaque, int version_id) 1816 { 1817 Exynos4210fimdState *s = (Exynos4210fimdState *)opaque; 1818 int w; 1819 1820 if (version_id != 1) { 1821 return -EINVAL; 1822 } 1823 1824 for (w = 0; w < NUM_OF_WINDOWS; w++) { 1825 exynos4210_fimd_update_win_bppmode(s, w); 1826 fimd_update_get_alpha(s, w); 1827 fimd_update_memory_section(s, w); 1828 } 1829 1830 /* Redraw the whole screen */ 1831 exynos4210_update_resolution(s); 1832 exynos4210_fimd_invalidate(s); 1833 exynos4210_fimd_enable(s, (s->vidcon[0] & FIMD_VIDCON0_ENVID_MASK) == 1834 FIMD_VIDCON0_ENVID_MASK); 1835 return 0; 1836 } 1837 1838 static const VMStateDescription exynos4210_fimd_window_vmstate = { 1839 .name = "exynos4210.fimd_window", 1840 .version_id = 1, 1841 .minimum_version_id = 1, 1842 .fields = (VMStateField[]) { 1843 VMSTATE_UINT32(wincon, Exynos4210fimdWindow), 1844 VMSTATE_UINT32_ARRAY(buf_start, Exynos4210fimdWindow, 3), 1845 VMSTATE_UINT32_ARRAY(buf_end, Exynos4210fimdWindow, 3), 1846 VMSTATE_UINT32_ARRAY(keycon, Exynos4210fimdWindow, 2), 1847 VMSTATE_UINT32(keyalpha, Exynos4210fimdWindow), 1848 VMSTATE_UINT32(winmap, Exynos4210fimdWindow), 1849 VMSTATE_UINT32(blendeq, Exynos4210fimdWindow), 1850 VMSTATE_UINT32(rtqoscon, Exynos4210fimdWindow), 1851 VMSTATE_UINT32_ARRAY(palette, Exynos4210fimdWindow, 256), 1852 VMSTATE_UINT32(shadow_buf_start, Exynos4210fimdWindow), 1853 VMSTATE_UINT32(shadow_buf_end, Exynos4210fimdWindow), 1854 VMSTATE_UINT32(shadow_buf_size, Exynos4210fimdWindow), 1855 VMSTATE_UINT16(lefttop_x, Exynos4210fimdWindow), 1856 VMSTATE_UINT16(lefttop_y, Exynos4210fimdWindow), 1857 VMSTATE_UINT16(rightbot_x, Exynos4210fimdWindow), 1858 VMSTATE_UINT16(rightbot_y, Exynos4210fimdWindow), 1859 VMSTATE_UINT32(osdsize, Exynos4210fimdWindow), 1860 VMSTATE_UINT32_ARRAY(alpha_val, Exynos4210fimdWindow, 2), 1861 VMSTATE_UINT16(virtpage_width, Exynos4210fimdWindow), 1862 VMSTATE_UINT16(virtpage_offsize, Exynos4210fimdWindow), 1863 VMSTATE_END_OF_LIST() 1864 } 1865 }; 1866 1867 static const VMStateDescription exynos4210_fimd_vmstate = { 1868 .name = "exynos4210.fimd", 1869 .version_id = 1, 1870 .minimum_version_id = 1, 1871 .post_load = exynos4210_fimd_load, 1872 .fields = (VMStateField[]) { 1873 VMSTATE_UINT32_ARRAY(vidcon, Exynos4210fimdState, 4), 1874 VMSTATE_UINT32_ARRAY(vidtcon, Exynos4210fimdState, 4), 1875 VMSTATE_UINT32(shadowcon, Exynos4210fimdState), 1876 VMSTATE_UINT32(winchmap, Exynos4210fimdState), 1877 VMSTATE_UINT32_ARRAY(vidintcon, Exynos4210fimdState, 2), 1878 VMSTATE_UINT32(dithmode, Exynos4210fimdState), 1879 VMSTATE_UINT32_ARRAY(wpalcon, Exynos4210fimdState, 2), 1880 VMSTATE_UINT32(trigcon, Exynos4210fimdState), 1881 VMSTATE_UINT32_ARRAY(i80ifcon, Exynos4210fimdState, 4), 1882 VMSTATE_UINT32(colorgaincon, Exynos4210fimdState), 1883 VMSTATE_UINT32_ARRAY(ldi_cmdcon, Exynos4210fimdState, 2), 1884 VMSTATE_UINT32_ARRAY(sifccon, Exynos4210fimdState, 3), 1885 VMSTATE_UINT32_ARRAY(huecoef_cr, Exynos4210fimdState, 4), 1886 VMSTATE_UINT32_ARRAY(huecoef_cb, Exynos4210fimdState, 4), 1887 VMSTATE_UINT32(hueoffset, Exynos4210fimdState), 1888 VMSTATE_UINT32_ARRAY(i80ifcmd, Exynos4210fimdState, 12), 1889 VMSTATE_UINT32(blendcon, Exynos4210fimdState), 1890 VMSTATE_STRUCT_ARRAY(window, Exynos4210fimdState, 5, 1, 1891 exynos4210_fimd_window_vmstate, Exynos4210fimdWindow), 1892 VMSTATE_END_OF_LIST() 1893 } 1894 }; 1895 1896 static const GraphicHwOps exynos4210_fimd_ops = { 1897 .invalidate = exynos4210_fimd_invalidate, 1898 .gfx_update = exynos4210_fimd_update, 1899 }; 1900 1901 static int exynos4210_fimd_init(SysBusDevice *dev) 1902 { 1903 Exynos4210fimdState *s = FROM_SYSBUS(Exynos4210fimdState, dev); 1904 1905 s->ifb = NULL; 1906 1907 sysbus_init_irq(dev, &s->irq[0]); 1908 sysbus_init_irq(dev, &s->irq[1]); 1909 sysbus_init_irq(dev, &s->irq[2]); 1910 1911 memory_region_init_io(&s->iomem, OBJECT(s), &exynos4210_fimd_mmio_ops, s, 1912 "exynos4210.fimd", FIMD_REGS_SIZE); 1913 sysbus_init_mmio(dev, &s->iomem); 1914 s->console = graphic_console_init(DEVICE(dev), &exynos4210_fimd_ops, s); 1915 1916 return 0; 1917 } 1918 1919 static void exynos4210_fimd_class_init(ObjectClass *klass, void *data) 1920 { 1921 DeviceClass *dc = DEVICE_CLASS(klass); 1922 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1923 1924 dc->vmsd = &exynos4210_fimd_vmstate; 1925 dc->reset = exynos4210_fimd_reset; 1926 k->init = exynos4210_fimd_init; 1927 } 1928 1929 static const TypeInfo exynos4210_fimd_info = { 1930 .name = "exynos4210.fimd", 1931 .parent = TYPE_SYS_BUS_DEVICE, 1932 .instance_size = sizeof(Exynos4210fimdState), 1933 .class_init = exynos4210_fimd_class_init, 1934 }; 1935 1936 static void exynos4210_fimd_register_types(void) 1937 { 1938 type_register_static(&exynos4210_fimd_info); 1939 } 1940 1941 type_init(exynos4210_fimd_register_types) 1942