radeon_legacy_tv.c revision 1.2.2.2
1 #include <drm/drmP.h> 2 #include <drm/drm_crtc_helper.h> 3 #include "radeon.h" 4 5 /* 6 * Integrated TV out support based on the GATOS code by 7 * Federico Ulivi <fulivi (at) lycos.com> 8 */ 9 10 11 /* 12 * Limits of h/v positions (hPos & vPos) 13 */ 14 #define MAX_H_POSITION 5 /* Range: [-5..5], negative is on the left, 0 is default, positive is on the right */ 15 #define MAX_V_POSITION 5 /* Range: [-5..5], negative is up, 0 is default, positive is down */ 16 17 /* 18 * Unit for hPos (in TV clock periods) 19 */ 20 #define H_POS_UNIT 10 21 22 /* 23 * Indexes in h. code timing table for horizontal line position adjustment 24 */ 25 #define H_TABLE_POS1 6 26 #define H_TABLE_POS2 8 27 28 /* 29 * Limits of hor. size (hSize) 30 */ 31 #define MAX_H_SIZE 5 /* Range: [-5..5], negative is smaller, positive is larger */ 32 33 /* tv standard constants */ 34 #define NTSC_TV_CLOCK_T 233 35 #define NTSC_TV_VFTOTAL 1 36 #define NTSC_TV_LINES_PER_FRAME 525 37 #define NTSC_TV_ZERO_H_SIZE 479166 38 #define NTSC_TV_H_SIZE_UNIT 9478 39 40 #define PAL_TV_CLOCK_T 188 41 #define PAL_TV_VFTOTAL 3 42 #define PAL_TV_LINES_PER_FRAME 625 43 #define PAL_TV_ZERO_H_SIZE 473200 44 #define PAL_TV_H_SIZE_UNIT 9360 45 46 /* tv pll setting for 27 mhz ref clk */ 47 #define NTSC_TV_PLL_M_27 22 48 #define NTSC_TV_PLL_N_27 175 49 #define NTSC_TV_PLL_P_27 5 50 51 #define PAL_TV_PLL_M_27 113 52 #define PAL_TV_PLL_N_27 668 53 #define PAL_TV_PLL_P_27 3 54 55 /* tv pll setting for 14 mhz ref clk */ 56 #define NTSC_TV_PLL_M_14 33 57 #define NTSC_TV_PLL_N_14 693 58 #define NTSC_TV_PLL_P_14 7 59 60 #define PAL_TV_PLL_M_14 19 61 #define PAL_TV_PLL_N_14 353 62 #define PAL_TV_PLL_P_14 5 63 64 #define VERT_LEAD_IN_LINES 2 65 #define FRAC_BITS 0xe 66 #define FRAC_MASK 0x3fff 67 68 struct radeon_tv_mode_constants { 69 uint16_t hor_resolution; 70 uint16_t ver_resolution; 71 enum radeon_tv_std standard; 72 uint16_t hor_total; 73 uint16_t ver_total; 74 uint16_t hor_start; 75 uint16_t hor_syncstart; 76 uint16_t ver_syncstart; 77 unsigned def_restart; 78 uint16_t crtcPLL_N; 79 uint8_t crtcPLL_M; 80 uint8_t crtcPLL_post_div; 81 unsigned pix_to_tv; 82 }; 83 84 static const uint16_t hor_timing_NTSC[MAX_H_CODE_TIMING_LEN] = { 85 0x0007, 86 0x003f, 87 0x0263, 88 0x0a24, 89 0x2a6b, 90 0x0a36, 91 0x126d, /* H_TABLE_POS1 */ 92 0x1bfe, 93 0x1a8f, /* H_TABLE_POS2 */ 94 0x1ec7, 95 0x3863, 96 0x1bfe, 97 0x1bfe, 98 0x1a2a, 99 0x1e95, 100 0x0e31, 101 0x201b, 102 0 103 }; 104 105 static const uint16_t vert_timing_NTSC[MAX_V_CODE_TIMING_LEN] = { 106 0x2001, 107 0x200d, 108 0x1006, 109 0x0c06, 110 0x1006, 111 0x1818, 112 0x21e3, 113 0x1006, 114 0x0c06, 115 0x1006, 116 0x1817, 117 0x21d4, 118 0x0002, 119 0 120 }; 121 122 static const uint16_t hor_timing_PAL[MAX_H_CODE_TIMING_LEN] = { 123 0x0007, 124 0x0058, 125 0x027c, 126 0x0a31, 127 0x2a77, 128 0x0a95, 129 0x124f, /* H_TABLE_POS1 */ 130 0x1bfe, 131 0x1b22, /* H_TABLE_POS2 */ 132 0x1ef9, 133 0x387c, 134 0x1bfe, 135 0x1bfe, 136 0x1b31, 137 0x1eb5, 138 0x0e43, 139 0x201b, 140 0 141 }; 142 143 static const uint16_t vert_timing_PAL[MAX_V_CODE_TIMING_LEN] = { 144 0x2001, 145 0x200c, 146 0x1005, 147 0x0c05, 148 0x1005, 149 0x1401, 150 0x1821, 151 0x2240, 152 0x1005, 153 0x0c05, 154 0x1005, 155 0x1401, 156 0x1822, 157 0x2230, 158 0x0002, 159 0 160 }; 161 162 /********************************************************************** 163 * 164 * availableModes 165 * 166 * Table of all allowed modes for tv output 167 * 168 **********************************************************************/ 169 static const struct radeon_tv_mode_constants available_tv_modes[] = { 170 { /* NTSC timing for 27 Mhz ref clk */ 171 800, /* horResolution */ 172 600, /* verResolution */ 173 TV_STD_NTSC, /* standard */ 174 990, /* horTotal */ 175 740, /* verTotal */ 176 813, /* horStart */ 177 824, /* horSyncStart */ 178 632, /* verSyncStart */ 179 625592, /* defRestart */ 180 592, /* crtcPLL_N */ 181 91, /* crtcPLL_M */ 182 4, /* crtcPLL_postDiv */ 183 1022, /* pixToTV */ 184 }, 185 { /* PAL timing for 27 Mhz ref clk */ 186 800, /* horResolution */ 187 600, /* verResolution */ 188 TV_STD_PAL, /* standard */ 189 1144, /* horTotal */ 190 706, /* verTotal */ 191 812, /* horStart */ 192 824, /* horSyncStart */ 193 669, /* verSyncStart */ 194 696700, /* defRestart */ 195 1382, /* crtcPLL_N */ 196 231, /* crtcPLL_M */ 197 4, /* crtcPLL_postDiv */ 198 759, /* pixToTV */ 199 }, 200 { /* NTSC timing for 14 Mhz ref clk */ 201 800, /* horResolution */ 202 600, /* verResolution */ 203 TV_STD_NTSC, /* standard */ 204 1018, /* horTotal */ 205 727, /* verTotal */ 206 813, /* horStart */ 207 840, /* horSyncStart */ 208 633, /* verSyncStart */ 209 630627, /* defRestart */ 210 347, /* crtcPLL_N */ 211 14, /* crtcPLL_M */ 212 8, /* crtcPLL_postDiv */ 213 1022, /* pixToTV */ 214 }, 215 { /* PAL timing for 14 Mhz ref clk */ 216 800, /* horResolution */ 217 600, /* verResolution */ 218 TV_STD_PAL, /* standard */ 219 1131, /* horTotal */ 220 742, /* verTotal */ 221 813, /* horStart */ 222 840, /* horSyncStart */ 223 633, /* verSyncStart */ 224 708369, /* defRestart */ 225 211, /* crtcPLL_N */ 226 9, /* crtcPLL_M */ 227 8, /* crtcPLL_postDiv */ 228 759, /* pixToTV */ 229 }, 230 }; 231 232 #define N_AVAILABLE_MODES ARRAY_SIZE(available_tv_modes) 233 234 static const struct radeon_tv_mode_constants *radeon_legacy_tv_get_std_mode(struct radeon_encoder *radeon_encoder, 235 uint16_t *pll_ref_freq) 236 { 237 struct drm_device *dev = radeon_encoder->base.dev; 238 struct radeon_device *rdev = dev->dev_private; 239 struct radeon_crtc *radeon_crtc; 240 struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; 241 const struct radeon_tv_mode_constants *const_ptr; 242 struct radeon_pll *pll; 243 244 radeon_crtc = to_radeon_crtc(radeon_encoder->base.crtc); 245 if (radeon_crtc->crtc_id == 1) 246 pll = &rdev->clock.p2pll; 247 else 248 pll = &rdev->clock.p1pll; 249 250 if (pll_ref_freq) 251 *pll_ref_freq = pll->reference_freq; 252 253 if (tv_dac->tv_std == TV_STD_NTSC || 254 tv_dac->tv_std == TV_STD_NTSC_J || 255 tv_dac->tv_std == TV_STD_PAL_M) { 256 if (pll->reference_freq == 2700) 257 const_ptr = &available_tv_modes[0]; 258 else 259 const_ptr = &available_tv_modes[2]; 260 } else { 261 if (pll->reference_freq == 2700) 262 const_ptr = &available_tv_modes[1]; 263 else 264 const_ptr = &available_tv_modes[3]; 265 } 266 return const_ptr; 267 } 268 269 static long YCOEF_value[5] = { 2, 2, 0, 4, 0 }; 270 static long YCOEF_EN_value[5] = { 1, 1, 0, 1, 0 }; 271 static long SLOPE_value[5] = { 1, 2, 2, 4, 8 }; 272 static long SLOPE_limit[5] = { 6, 5, 4, 3, 2 }; 273 274 static void radeon_wait_pll_lock(struct drm_encoder *encoder, unsigned n_tests, 275 unsigned n_wait_loops, unsigned cnt_threshold) 276 { 277 struct drm_device *dev = encoder->dev; 278 struct radeon_device *rdev = dev->dev_private; 279 uint32_t save_pll_test; 280 unsigned int i, j; 281 282 WREG32(RADEON_TEST_DEBUG_MUX, (RREG32(RADEON_TEST_DEBUG_MUX) & 0xffff60ff) | 0x100); 283 save_pll_test = RREG32_PLL(RADEON_PLL_TEST_CNTL); 284 WREG32_PLL(RADEON_PLL_TEST_CNTL, save_pll_test & ~RADEON_PLL_MASK_READ_B); 285 286 WREG8(RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_TEST_CNTL); 287 for (i = 0; i < n_tests; i++) { 288 WREG8(RADEON_CLOCK_CNTL_DATA + 3, 0); 289 for (j = 0; j < n_wait_loops; j++) 290 if (RREG8(RADEON_CLOCK_CNTL_DATA + 3) >= cnt_threshold) 291 break; 292 } 293 WREG32_PLL(RADEON_PLL_TEST_CNTL, save_pll_test); 294 WREG32(RADEON_TEST_DEBUG_MUX, RREG32(RADEON_TEST_DEBUG_MUX) & 0xffffe0ff); 295 } 296 297 298 static void radeon_legacy_tv_write_fifo(struct radeon_encoder *radeon_encoder, 299 uint16_t addr, uint32_t value) 300 { 301 struct drm_device *dev = radeon_encoder->base.dev; 302 struct radeon_device *rdev = dev->dev_private; 303 uint32_t tmp; 304 int i = 0; 305 306 WREG32(RADEON_TV_HOST_WRITE_DATA, value); 307 308 WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr); 309 WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr | RADEON_HOST_FIFO_WT); 310 311 do { 312 tmp = RREG32(RADEON_TV_HOST_RD_WT_CNTL); 313 if ((tmp & RADEON_HOST_FIFO_WT_ACK) == 0) 314 break; 315 i++; 316 } while (i < 10000); 317 WREG32(RADEON_TV_HOST_RD_WT_CNTL, 0); 318 } 319 320 #if 0 /* included for completeness */ 321 static uint32_t radeon_legacy_tv_read_fifo(struct radeon_encoder *radeon_encoder, uint16_t addr) 322 { 323 struct drm_device *dev = radeon_encoder->base.dev; 324 struct radeon_device *rdev = dev->dev_private; 325 uint32_t tmp; 326 int i = 0; 327 328 WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr); 329 WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr | RADEON_HOST_FIFO_RD); 330 331 do { 332 tmp = RREG32(RADEON_TV_HOST_RD_WT_CNTL); 333 if ((tmp & RADEON_HOST_FIFO_RD_ACK) == 0) 334 break; 335 i++; 336 } while (i < 10000); 337 WREG32(RADEON_TV_HOST_RD_WT_CNTL, 0); 338 return RREG32(RADEON_TV_HOST_READ_DATA); 339 } 340 #endif 341 342 static uint16_t radeon_get_htiming_tables_addr(uint32_t tv_uv_adr) 343 { 344 uint16_t h_table; 345 346 switch ((tv_uv_adr & RADEON_HCODE_TABLE_SEL_MASK) >> RADEON_HCODE_TABLE_SEL_SHIFT) { 347 case 0: 348 h_table = RADEON_TV_MAX_FIFO_ADDR_INTERNAL; 349 break; 350 case 1: 351 h_table = ((tv_uv_adr & RADEON_TABLE1_BOT_ADR_MASK) >> RADEON_TABLE1_BOT_ADR_SHIFT) * 2; 352 break; 353 case 2: 354 h_table = ((tv_uv_adr & RADEON_TABLE3_TOP_ADR_MASK) >> RADEON_TABLE3_TOP_ADR_SHIFT) * 2; 355 break; 356 default: 357 h_table = 0; 358 break; 359 } 360 return h_table; 361 } 362 363 static uint16_t radeon_get_vtiming_tables_addr(uint32_t tv_uv_adr) 364 { 365 uint16_t v_table; 366 367 switch ((tv_uv_adr & RADEON_VCODE_TABLE_SEL_MASK) >> RADEON_VCODE_TABLE_SEL_SHIFT) { 368 case 0: 369 v_table = ((tv_uv_adr & RADEON_MAX_UV_ADR_MASK) >> RADEON_MAX_UV_ADR_SHIFT) * 2 + 1; 370 break; 371 case 1: 372 v_table = ((tv_uv_adr & RADEON_TABLE1_BOT_ADR_MASK) >> RADEON_TABLE1_BOT_ADR_SHIFT) * 2 + 1; 373 break; 374 case 2: 375 v_table = ((tv_uv_adr & RADEON_TABLE3_TOP_ADR_MASK) >> RADEON_TABLE3_TOP_ADR_SHIFT) * 2 + 1; 376 break; 377 default: 378 v_table = 0; 379 break; 380 } 381 return v_table; 382 } 383 384 static void radeon_restore_tv_timing_tables(struct radeon_encoder *radeon_encoder) 385 { 386 struct drm_device *dev = radeon_encoder->base.dev; 387 struct radeon_device *rdev = dev->dev_private; 388 struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; 389 uint16_t h_table, v_table; 390 uint32_t tmp; 391 int i; 392 393 WREG32(RADEON_TV_UV_ADR, tv_dac->tv.tv_uv_adr); 394 h_table = radeon_get_htiming_tables_addr(tv_dac->tv.tv_uv_adr); 395 v_table = radeon_get_vtiming_tables_addr(tv_dac->tv.tv_uv_adr); 396 397 for (i = 0; i < MAX_H_CODE_TIMING_LEN; i += 2, h_table--) { 398 tmp = ((uint32_t)tv_dac->tv.h_code_timing[i] << 14) | ((uint32_t)tv_dac->tv.h_code_timing[i+1]); 399 radeon_legacy_tv_write_fifo(radeon_encoder, h_table, tmp); 400 if (tv_dac->tv.h_code_timing[i] == 0 || tv_dac->tv.h_code_timing[i + 1] == 0) 401 break; 402 } 403 for (i = 0; i < MAX_V_CODE_TIMING_LEN; i += 2, v_table++) { 404 tmp = ((uint32_t)tv_dac->tv.v_code_timing[i+1] << 14) | ((uint32_t)tv_dac->tv.v_code_timing[i]); 405 radeon_legacy_tv_write_fifo(radeon_encoder, v_table, tmp); 406 if (tv_dac->tv.v_code_timing[i] == 0 || tv_dac->tv.v_code_timing[i + 1] == 0) 407 break; 408 } 409 } 410 411 static void radeon_legacy_write_tv_restarts(struct radeon_encoder *radeon_encoder) 412 { 413 struct drm_device *dev = radeon_encoder->base.dev; 414 struct radeon_device *rdev = dev->dev_private; 415 struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; 416 WREG32(RADEON_TV_FRESTART, tv_dac->tv.frestart); 417 WREG32(RADEON_TV_HRESTART, tv_dac->tv.hrestart); 418 WREG32(RADEON_TV_VRESTART, tv_dac->tv.vrestart); 419 } 420 421 static bool radeon_legacy_tv_init_restarts(struct drm_encoder *encoder) 422 { 423 struct drm_device *dev = encoder->dev; 424 struct radeon_device *rdev = dev->dev_private; 425 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 426 struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; 427 struct radeon_crtc *radeon_crtc; 428 int restart; 429 unsigned int h_total, v_total, f_total; 430 int v_offset, h_offset; 431 u16 p1, p2, h_inc; 432 bool h_changed; 433 const struct radeon_tv_mode_constants *const_ptr; 434 struct radeon_pll *pll __unused; 435 436 radeon_crtc = to_radeon_crtc(radeon_encoder->base.crtc); 437 if (radeon_crtc->crtc_id == 1) 438 pll = &rdev->clock.p2pll; 439 else 440 pll = &rdev->clock.p1pll; 441 442 const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); 443 if (!const_ptr) 444 return false; 445 446 h_total = const_ptr->hor_total; 447 v_total = const_ptr->ver_total; 448 449 if (tv_dac->tv_std == TV_STD_NTSC || 450 tv_dac->tv_std == TV_STD_NTSC_J || 451 tv_dac->tv_std == TV_STD_PAL_M || 452 tv_dac->tv_std == TV_STD_PAL_60) 453 f_total = NTSC_TV_VFTOTAL + 1; 454 else 455 f_total = PAL_TV_VFTOTAL + 1; 456 457 /* adjust positions 1&2 in hor. cod timing table */ 458 h_offset = tv_dac->h_pos * H_POS_UNIT; 459 460 if (tv_dac->tv_std == TV_STD_NTSC || 461 tv_dac->tv_std == TV_STD_NTSC_J || 462 tv_dac->tv_std == TV_STD_PAL_M) { 463 h_offset -= 50; 464 p1 = hor_timing_NTSC[H_TABLE_POS1]; 465 p2 = hor_timing_NTSC[H_TABLE_POS2]; 466 } else { 467 p1 = hor_timing_PAL[H_TABLE_POS1]; 468 p2 = hor_timing_PAL[H_TABLE_POS2]; 469 } 470 471 p1 = (u16)((int)p1 + h_offset); 472 p2 = (u16)((int)p2 - h_offset); 473 474 h_changed = (p1 != tv_dac->tv.h_code_timing[H_TABLE_POS1] || 475 p2 != tv_dac->tv.h_code_timing[H_TABLE_POS2]); 476 477 tv_dac->tv.h_code_timing[H_TABLE_POS1] = p1; 478 tv_dac->tv.h_code_timing[H_TABLE_POS2] = p2; 479 480 /* Convert hOffset from n. of TV clock periods to n. of CRTC clock periods (CRTC pixels) */ 481 h_offset = (h_offset * (int)(const_ptr->pix_to_tv)) / 1000; 482 483 /* adjust restart */ 484 restart = const_ptr->def_restart; 485 486 /* 487 * convert v_pos TV lines to n. of CRTC pixels 488 */ 489 if (tv_dac->tv_std == TV_STD_NTSC || 490 tv_dac->tv_std == TV_STD_NTSC_J || 491 tv_dac->tv_std == TV_STD_PAL_M || 492 tv_dac->tv_std == TV_STD_PAL_60) 493 v_offset = ((int)(v_total * h_total) * 2 * tv_dac->v_pos) / (int)(NTSC_TV_LINES_PER_FRAME); 494 else 495 v_offset = ((int)(v_total * h_total) * 2 * tv_dac->v_pos) / (int)(PAL_TV_LINES_PER_FRAME); 496 497 restart -= v_offset + h_offset; 498 499 DRM_DEBUG_KMS("compute_restarts: def = %u h = %d v = %d, p1 = %04x, p2 = %04x, restart = %d\n", 500 const_ptr->def_restart, tv_dac->h_pos, tv_dac->v_pos, p1, p2, restart); 501 502 tv_dac->tv.hrestart = restart % h_total; 503 restart /= h_total; 504 tv_dac->tv.vrestart = restart % v_total; 505 restart /= v_total; 506 tv_dac->tv.frestart = restart % f_total; 507 508 DRM_DEBUG_KMS("compute_restart: F/H/V=%u,%u,%u\n", 509 (unsigned)tv_dac->tv.frestart, 510 (unsigned)tv_dac->tv.vrestart, 511 (unsigned)tv_dac->tv.hrestart); 512 513 /* compute h_inc from hsize */ 514 if (tv_dac->tv_std == TV_STD_NTSC || 515 tv_dac->tv_std == TV_STD_NTSC_J || 516 tv_dac->tv_std == TV_STD_PAL_M) 517 h_inc = (u16)((int)(const_ptr->hor_resolution * 4096 * NTSC_TV_CLOCK_T) / 518 (tv_dac->h_size * (int)(NTSC_TV_H_SIZE_UNIT) + (int)(NTSC_TV_ZERO_H_SIZE))); 519 else 520 h_inc = (u16)((int)(const_ptr->hor_resolution * 4096 * PAL_TV_CLOCK_T) / 521 (tv_dac->h_size * (int)(PAL_TV_H_SIZE_UNIT) + (int)(PAL_TV_ZERO_H_SIZE))); 522 523 tv_dac->tv.timing_cntl = (tv_dac->tv.timing_cntl & ~RADEON_H_INC_MASK) | 524 ((u32)h_inc << RADEON_H_INC_SHIFT); 525 526 DRM_DEBUG_KMS("compute_restart: h_size = %d h_inc = %d\n", tv_dac->h_size, h_inc); 527 528 return h_changed; 529 } 530 531 void radeon_legacy_tv_mode_set(struct drm_encoder *encoder, 532 struct drm_display_mode *mode, 533 struct drm_display_mode *adjusted_mode) 534 { 535 struct drm_device *dev = encoder->dev; 536 struct radeon_device *rdev = dev->dev_private; 537 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 538 struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; 539 const struct radeon_tv_mode_constants *const_ptr; 540 struct radeon_crtc *radeon_crtc; 541 int i; 542 uint16_t pll_ref_freq; 543 uint32_t vert_space, flicker_removal, tmp; 544 uint32_t tv_master_cntl, tv_rgb_cntl, tv_dac_cntl; 545 uint32_t tv_modulator_cntl1, tv_modulator_cntl2; 546 uint32_t tv_vscaler_cntl1, tv_vscaler_cntl2; 547 uint32_t tv_pll_cntl, tv_pll_cntl1 __unused, tv_ftotal; 548 uint32_t tv_y_fall_cntl, tv_y_rise_cntl, tv_y_saw_tooth_cntl; 549 uint32_t m, n, p; 550 const uint16_t *hor_timing; 551 const uint16_t *vert_timing; 552 553 const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, &pll_ref_freq); 554 if (!const_ptr) 555 return; 556 557 radeon_crtc = to_radeon_crtc(encoder->crtc); 558 559 tv_master_cntl = (RADEON_VIN_ASYNC_RST | 560 RADEON_CRT_FIFO_CE_EN | 561 RADEON_TV_FIFO_CE_EN | 562 RADEON_TV_ON); 563 564 if (!ASIC_IS_R300(rdev)) 565 tv_master_cntl |= RADEON_TVCLK_ALWAYS_ONb; 566 567 if (tv_dac->tv_std == TV_STD_NTSC || 568 tv_dac->tv_std == TV_STD_NTSC_J) 569 tv_master_cntl |= RADEON_RESTART_PHASE_FIX; 570 571 tv_modulator_cntl1 = (RADEON_SLEW_RATE_LIMIT | 572 RADEON_SYNC_TIP_LEVEL | 573 RADEON_YFLT_EN | 574 RADEON_UVFLT_EN | 575 (6 << RADEON_CY_FILT_BLEND_SHIFT)); 576 577 if (tv_dac->tv_std == TV_STD_NTSC || 578 tv_dac->tv_std == TV_STD_NTSC_J) { 579 tv_modulator_cntl1 |= (0x46 << RADEON_SET_UP_LEVEL_SHIFT) | 580 (0x3b << RADEON_BLANK_LEVEL_SHIFT); 581 tv_modulator_cntl2 = (-111 & RADEON_TV_U_BURST_LEVEL_MASK) | 582 ((0 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT); 583 } else if (tv_dac->tv_std == TV_STD_SCART_PAL) { 584 tv_modulator_cntl1 |= RADEON_ALT_PHASE_EN; 585 tv_modulator_cntl2 = (0 & RADEON_TV_U_BURST_LEVEL_MASK) | 586 ((0 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT); 587 } else { 588 tv_modulator_cntl1 |= RADEON_ALT_PHASE_EN | 589 (0x3b << RADEON_SET_UP_LEVEL_SHIFT) | 590 (0x3b << RADEON_BLANK_LEVEL_SHIFT); 591 tv_modulator_cntl2 = (-78 & RADEON_TV_U_BURST_LEVEL_MASK) | 592 ((62 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT); 593 } 594 595 596 tv_rgb_cntl = (RADEON_RGB_DITHER_EN 597 | RADEON_TVOUT_SCALE_EN 598 | (0x0b << RADEON_UVRAM_READ_MARGIN_SHIFT) 599 | (0x07 << RADEON_FIFORAM_FFMACRO_READ_MARGIN_SHIFT) 600 | RADEON_RGB_ATTEN_SEL(0x3) 601 | RADEON_RGB_ATTEN_VAL(0xc)); 602 603 if (radeon_crtc->crtc_id == 1) 604 tv_rgb_cntl |= RADEON_RGB_SRC_SEL_CRTC2; 605 else { 606 if (radeon_crtc->rmx_type != RMX_OFF) 607 tv_rgb_cntl |= RADEON_RGB_SRC_SEL_RMX; 608 else 609 tv_rgb_cntl |= RADEON_RGB_SRC_SEL_CRTC1; 610 } 611 612 if (tv_dac->tv_std == TV_STD_NTSC || 613 tv_dac->tv_std == TV_STD_NTSC_J || 614 tv_dac->tv_std == TV_STD_PAL_M || 615 tv_dac->tv_std == TV_STD_PAL_60) 616 vert_space = const_ptr->ver_total * 2 * 10000 / NTSC_TV_LINES_PER_FRAME; 617 else 618 vert_space = const_ptr->ver_total * 2 * 10000 / PAL_TV_LINES_PER_FRAME; 619 620 tmp = RREG32(RADEON_TV_VSCALER_CNTL1); 621 tmp &= 0xe3ff0000; 622 tmp |= (vert_space * (1 << FRAC_BITS) / 10000); 623 tv_vscaler_cntl1 = tmp; 624 625 if (pll_ref_freq == 2700) 626 tv_vscaler_cntl1 |= RADEON_RESTART_FIELD; 627 628 if (const_ptr->hor_resolution == 1024) 629 tv_vscaler_cntl1 |= (4 << RADEON_Y_DEL_W_SIG_SHIFT); 630 else 631 tv_vscaler_cntl1 |= (2 << RADEON_Y_DEL_W_SIG_SHIFT); 632 633 /* scale up for int divide */ 634 tmp = const_ptr->ver_total * 2 * 1000; 635 if (tv_dac->tv_std == TV_STD_NTSC || 636 tv_dac->tv_std == TV_STD_NTSC_J || 637 tv_dac->tv_std == TV_STD_PAL_M || 638 tv_dac->tv_std == TV_STD_PAL_60) { 639 tmp /= NTSC_TV_LINES_PER_FRAME; 640 } else { 641 tmp /= PAL_TV_LINES_PER_FRAME; 642 } 643 flicker_removal = (tmp + 500) / 1000; 644 645 if (flicker_removal < 3) 646 flicker_removal = 3; 647 for (i = 0; i < ARRAY_SIZE(SLOPE_limit); ++i) { 648 if (flicker_removal == SLOPE_limit[i]) 649 break; 650 } 651 652 tv_y_saw_tooth_cntl = (vert_space * SLOPE_value[i] * (1 << (FRAC_BITS - 1)) + 653 5001) / 10000 / 8 | ((SLOPE_value[i] * 654 (1 << (FRAC_BITS - 1)) / 8) << 16); 655 tv_y_fall_cntl = 656 (YCOEF_EN_value[i] << 17) | ((YCOEF_value[i] * (1 << 8) / 8) << 24) | 657 RADEON_Y_FALL_PING_PONG | (272 * SLOPE_value[i] / 8) * (1 << (FRAC_BITS - 1)) / 658 1024; 659 tv_y_rise_cntl = RADEON_Y_RISE_PING_PONG| 660 (flicker_removal * 1024 - 272) * SLOPE_value[i] / 8 * (1 << (FRAC_BITS - 1)) / 1024; 661 662 tv_vscaler_cntl2 = RREG32(RADEON_TV_VSCALER_CNTL2) & 0x00fffff0; 663 tv_vscaler_cntl2 |= (0x10 << 24) | 664 RADEON_DITHER_MODE | 665 RADEON_Y_OUTPUT_DITHER_EN | 666 RADEON_UV_OUTPUT_DITHER_EN | 667 RADEON_UV_TO_BUF_DITHER_EN; 668 669 tmp = (tv_vscaler_cntl1 >> RADEON_UV_INC_SHIFT) & RADEON_UV_INC_MASK; 670 tmp = ((16384 * 256 * 10) / tmp + 5) / 10; 671 tmp = (tmp << RADEON_UV_OUTPUT_POST_SCALE_SHIFT) | 0x000b0000; 672 tv_dac->tv.timing_cntl = tmp; 673 674 if (tv_dac->tv_std == TV_STD_NTSC || 675 tv_dac->tv_std == TV_STD_NTSC_J || 676 tv_dac->tv_std == TV_STD_PAL_M || 677 tv_dac->tv_std == TV_STD_PAL_60) 678 tv_dac_cntl = tv_dac->ntsc_tvdac_adj; 679 else 680 tv_dac_cntl = tv_dac->pal_tvdac_adj; 681 682 tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD; 683 684 if (tv_dac->tv_std == TV_STD_NTSC || 685 tv_dac->tv_std == TV_STD_NTSC_J) 686 tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC; 687 else 688 tv_dac_cntl |= RADEON_TV_DAC_STD_PAL; 689 690 if (tv_dac->tv_std == TV_STD_NTSC || 691 tv_dac->tv_std == TV_STD_NTSC_J) { 692 if (pll_ref_freq == 2700) { 693 m = NTSC_TV_PLL_M_27; 694 n = NTSC_TV_PLL_N_27; 695 p = NTSC_TV_PLL_P_27; 696 } else { 697 m = NTSC_TV_PLL_M_14; 698 n = NTSC_TV_PLL_N_14; 699 p = NTSC_TV_PLL_P_14; 700 } 701 } else { 702 if (pll_ref_freq == 2700) { 703 m = PAL_TV_PLL_M_27; 704 n = PAL_TV_PLL_N_27; 705 p = PAL_TV_PLL_P_27; 706 } else { 707 m = PAL_TV_PLL_M_14; 708 n = PAL_TV_PLL_N_14; 709 p = PAL_TV_PLL_P_14; 710 } 711 } 712 713 tv_pll_cntl = (m & RADEON_TV_M0LO_MASK) | 714 (((m >> 8) & RADEON_TV_M0HI_MASK) << RADEON_TV_M0HI_SHIFT) | 715 ((n & RADEON_TV_N0LO_MASK) << RADEON_TV_N0LO_SHIFT) | 716 (((n >> 9) & RADEON_TV_N0HI_MASK) << RADEON_TV_N0HI_SHIFT) | 717 ((p & RADEON_TV_P_MASK) << RADEON_TV_P_SHIFT); 718 719 tv_pll_cntl1 = (((4 & RADEON_TVPCP_MASK) << RADEON_TVPCP_SHIFT) | 720 ((4 & RADEON_TVPVG_MASK) << RADEON_TVPVG_SHIFT) | 721 ((1 & RADEON_TVPDC_MASK) << RADEON_TVPDC_SHIFT) | 722 RADEON_TVCLK_SRC_SEL_TVPLL | 723 RADEON_TVPLL_TEST_DIS); 724 725 tv_dac->tv.tv_uv_adr = 0xc8; 726 727 if (tv_dac->tv_std == TV_STD_NTSC || 728 tv_dac->tv_std == TV_STD_NTSC_J || 729 tv_dac->tv_std == TV_STD_PAL_M || 730 tv_dac->tv_std == TV_STD_PAL_60) { 731 tv_ftotal = NTSC_TV_VFTOTAL; 732 hor_timing = hor_timing_NTSC; 733 vert_timing = vert_timing_NTSC; 734 } else { 735 hor_timing = hor_timing_PAL; 736 vert_timing = vert_timing_PAL; 737 tv_ftotal = PAL_TV_VFTOTAL; 738 } 739 740 for (i = 0; i < MAX_H_CODE_TIMING_LEN; i++) { 741 if ((tv_dac->tv.h_code_timing[i] = hor_timing[i]) == 0) 742 break; 743 } 744 745 for (i = 0; i < MAX_V_CODE_TIMING_LEN; i++) { 746 if ((tv_dac->tv.v_code_timing[i] = vert_timing[i]) == 0) 747 break; 748 } 749 750 radeon_legacy_tv_init_restarts(encoder); 751 752 /* play with DAC_CNTL */ 753 /* play with GPIOPAD_A */ 754 /* DISP_OUTPUT_CNTL */ 755 /* use reference freq */ 756 757 /* program the TV registers */ 758 WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST | 759 RADEON_CRT_ASYNC_RST | RADEON_TV_FIFO_ASYNC_RST)); 760 761 tmp = RREG32(RADEON_TV_DAC_CNTL); 762 tmp &= ~RADEON_TV_DAC_NBLANK; 763 tmp |= RADEON_TV_DAC_BGSLEEP | 764 RADEON_TV_DAC_RDACPD | 765 RADEON_TV_DAC_GDACPD | 766 RADEON_TV_DAC_BDACPD; 767 WREG32(RADEON_TV_DAC_CNTL, tmp); 768 769 /* TV PLL */ 770 WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVCLK_SRC_SEL_TVPLL); 771 WREG32_PLL(RADEON_TV_PLL_CNTL, tv_pll_cntl); 772 WREG32_PLL_P(RADEON_TV_PLL_CNTL1, RADEON_TVPLL_RESET, ~RADEON_TVPLL_RESET); 773 774 radeon_wait_pll_lock(encoder, 200, 800, 135); 775 776 WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVPLL_RESET); 777 778 radeon_wait_pll_lock(encoder, 300, 160, 27); 779 radeon_wait_pll_lock(encoder, 200, 800, 135); 780 781 WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~0xf); 782 WREG32_PLL_P(RADEON_TV_PLL_CNTL1, RADEON_TVCLK_SRC_SEL_TVPLL, ~RADEON_TVCLK_SRC_SEL_TVPLL); 783 784 WREG32_PLL_P(RADEON_TV_PLL_CNTL1, (1 << RADEON_TVPDC_SHIFT), ~RADEON_TVPDC_MASK); 785 WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVPLL_SLEEP); 786 787 /* TV HV */ 788 WREG32(RADEON_TV_RGB_CNTL, tv_rgb_cntl); 789 WREG32(RADEON_TV_HTOTAL, const_ptr->hor_total - 1); 790 WREG32(RADEON_TV_HDISP, const_ptr->hor_resolution - 1); 791 WREG32(RADEON_TV_HSTART, const_ptr->hor_start); 792 793 WREG32(RADEON_TV_VTOTAL, const_ptr->ver_total - 1); 794 WREG32(RADEON_TV_VDISP, const_ptr->ver_resolution - 1); 795 WREG32(RADEON_TV_FTOTAL, tv_ftotal); 796 WREG32(RADEON_TV_VSCALER_CNTL1, tv_vscaler_cntl1); 797 WREG32(RADEON_TV_VSCALER_CNTL2, tv_vscaler_cntl2); 798 799 WREG32(RADEON_TV_Y_FALL_CNTL, tv_y_fall_cntl); 800 WREG32(RADEON_TV_Y_RISE_CNTL, tv_y_rise_cntl); 801 WREG32(RADEON_TV_Y_SAW_TOOTH_CNTL, tv_y_saw_tooth_cntl); 802 803 WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST | 804 RADEON_CRT_ASYNC_RST)); 805 806 /* TV restarts */ 807 radeon_legacy_write_tv_restarts(radeon_encoder); 808 809 /* tv timings */ 810 radeon_restore_tv_timing_tables(radeon_encoder); 811 812 WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST)); 813 814 /* tv std */ 815 WREG32(RADEON_TV_SYNC_CNTL, (RADEON_SYNC_PUB | RADEON_TV_SYNC_IO_DRIVE)); 816 WREG32(RADEON_TV_TIMING_CNTL, tv_dac->tv.timing_cntl); 817 WREG32(RADEON_TV_MODULATOR_CNTL1, tv_modulator_cntl1); 818 WREG32(RADEON_TV_MODULATOR_CNTL2, tv_modulator_cntl2); 819 WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, (RADEON_Y_RED_EN | 820 RADEON_C_GRN_EN | 821 RADEON_CMP_BLU_EN | 822 RADEON_DAC_DITHER_EN)); 823 824 WREG32(RADEON_TV_CRC_CNTL, 0); 825 826 WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl); 827 828 WREG32(RADEON_TV_GAIN_LIMIT_SETTINGS, ((0x17f << RADEON_UV_GAIN_LIMIT_SHIFT) | 829 (0x5ff << RADEON_Y_GAIN_LIMIT_SHIFT))); 830 WREG32(RADEON_TV_LINEAR_GAIN_SETTINGS, ((0x100 << RADEON_UV_GAIN_SHIFT) | 831 (0x100 << RADEON_Y_GAIN_SHIFT))); 832 833 WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); 834 835 } 836 837 void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder, 838 uint32_t *h_total_disp, uint32_t *h_sync_strt_wid, 839 uint32_t *v_total_disp, uint32_t *v_sync_strt_wid) 840 { 841 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 842 const struct radeon_tv_mode_constants *const_ptr; 843 uint32_t tmp; 844 845 const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); 846 if (!const_ptr) 847 return; 848 849 *h_total_disp = (((const_ptr->hor_resolution / 8) - 1) << RADEON_CRTC_H_DISP_SHIFT) | 850 (((const_ptr->hor_total / 8) - 1) << RADEON_CRTC_H_TOTAL_SHIFT); 851 852 tmp = *h_sync_strt_wid; 853 tmp &= ~(RADEON_CRTC_H_SYNC_STRT_PIX | RADEON_CRTC_H_SYNC_STRT_CHAR); 854 tmp |= (((const_ptr->hor_syncstart / 8) - 1) << RADEON_CRTC_H_SYNC_STRT_CHAR_SHIFT) | 855 (const_ptr->hor_syncstart & 7); 856 *h_sync_strt_wid = tmp; 857 858 *v_total_disp = ((const_ptr->ver_resolution - 1) << RADEON_CRTC_V_DISP_SHIFT) | 859 ((const_ptr->ver_total - 1) << RADEON_CRTC_V_TOTAL_SHIFT); 860 861 tmp = *v_sync_strt_wid; 862 tmp &= ~RADEON_CRTC_V_SYNC_STRT; 863 tmp |= ((const_ptr->ver_syncstart - 1) << RADEON_CRTC_V_SYNC_STRT_SHIFT); 864 *v_sync_strt_wid = tmp; 865 } 866 867 static int get_post_div(int value) 868 { 869 int post_div; 870 switch (value) { 871 case 1: post_div = 0; break; 872 case 2: post_div = 1; break; 873 case 3: post_div = 4; break; 874 case 4: post_div = 2; break; 875 case 6: post_div = 6; break; 876 case 8: post_div = 3; break; 877 case 12: post_div = 7; break; 878 case 16: 879 default: post_div = 5; break; 880 } 881 return post_div; 882 } 883 884 void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder, 885 uint32_t *htotal_cntl, uint32_t *ppll_ref_div, 886 uint32_t *ppll_div_3, uint32_t *pixclks_cntl) 887 { 888 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 889 const struct radeon_tv_mode_constants *const_ptr; 890 891 const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); 892 if (!const_ptr) 893 return; 894 895 *htotal_cntl = (const_ptr->hor_total & 0x7) | RADEON_HTOT_CNTL_VGA_EN; 896 897 *ppll_ref_div = const_ptr->crtcPLL_M; 898 899 *ppll_div_3 = (const_ptr->crtcPLL_N & 0x7ff) | (get_post_div(const_ptr->crtcPLL_post_div) << 16); 900 *pixclks_cntl &= ~(RADEON_PIX2CLK_SRC_SEL_MASK | RADEON_PIXCLK_TV_SRC_SEL); 901 *pixclks_cntl |= RADEON_PIX2CLK_SRC_SEL_P2PLLCLK; 902 } 903 904 void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder, 905 uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div, 906 uint32_t *p2pll_div_0, uint32_t *pixclks_cntl) 907 { 908 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 909 const struct radeon_tv_mode_constants *const_ptr; 910 911 const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); 912 if (!const_ptr) 913 return; 914 915 *htotal2_cntl = (const_ptr->hor_total & 0x7); 916 917 *p2pll_ref_div = const_ptr->crtcPLL_M; 918 919 *p2pll_div_0 = (const_ptr->crtcPLL_N & 0x7ff) | (get_post_div(const_ptr->crtcPLL_post_div) << 16); 920 *pixclks_cntl &= ~RADEON_PIX2CLK_SRC_SEL_MASK; 921 *pixclks_cntl |= RADEON_PIX2CLK_SRC_SEL_P2PLLCLK | RADEON_PIXCLK_TV_SRC_SEL; 922 } 923 924
Indexes created Wed Oct 29 12:09:47 GMT 2025