drivers/gpu/drm/radeon/radeon_combios.c

   1 /*
   2  * Copyright 2004 ATI Technologies Inc., Markham, Ontario
   3  * Copyright 2007-8 Advanced Micro Devices, Inc.
   4  * Copyright 2008 Red Hat Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie
  25  *          Alex Deucher
  26  */
  27 #include "drmP.h"
  28 #include "radeon_drm.h"
  29 #include "radeon.h"
  30 #include "atom.h"
  31
  32 #ifdef CONFIG_PPC_PMAC
  33 /* not sure which of these are needed */
  34 #include <asm/machdep.h>
  35 #include <asm/pmac_feature.h>
  36 #include <asm/prom.h>
  37 #include <asm/pci-bridge.h>
  38 #endif /* CONFIG_PPC_PMAC */
  39
  40 /* from radeon_encoder.c */
  41 extern uint32_t
  42 radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device,
  43                       uint8_t dac);
  44 extern void radeon_link_encoder_connector(struct drm_device *dev);
  45
  46 /* from radeon_connector.c */
  47 extern void
  48 radeon_add_legacy_connector(struct drm_device *dev,
  49                             uint32_t connector_id,
  50                             uint32_t supported_device,
  51                             int connector_type,
  52                             struct radeon_i2c_bus_rec *i2c_bus);
  53
  54 /* from radeon_legacy_encoder.c */
  55 extern void
  56 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id,
  57                           uint32_t supported_device);
  58
  59 /* old legacy ATI BIOS routines */
  60
  61 /* COMBIOS table offsets */
  62 enum radeon_combios_table_offset {
  63         /* absolute offset tables */
  64         COMBIOS_ASIC_INIT_1_TABLE,
  65         COMBIOS_BIOS_SUPPORT_TABLE,
  66         COMBIOS_DAC_PROGRAMMING_TABLE,
  67         COMBIOS_MAX_COLOR_DEPTH_TABLE,
  68         COMBIOS_CRTC_INFO_TABLE,
  69         COMBIOS_PLL_INFO_TABLE,
  70         COMBIOS_TV_INFO_TABLE,
  71         COMBIOS_DFP_INFO_TABLE,
  72         COMBIOS_HW_CONFIG_INFO_TABLE,
  73         COMBIOS_MULTIMEDIA_INFO_TABLE,
  74         COMBIOS_TV_STD_PATCH_TABLE,
  75         COMBIOS_LCD_INFO_TABLE,
  76         COMBIOS_MOBILE_INFO_TABLE,
  77         COMBIOS_PLL_INIT_TABLE,
  78         COMBIOS_MEM_CONFIG_TABLE,
  79         COMBIOS_SAVE_MASK_TABLE,
  80         COMBIOS_HARDCODED_EDID_TABLE,
  81         COMBIOS_ASIC_INIT_2_TABLE,
  82         COMBIOS_CONNECTOR_INFO_TABLE,
  83         COMBIOS_DYN_CLK_1_TABLE,
  84         COMBIOS_RESERVED_MEM_TABLE,
  85         COMBIOS_EXT_TMDS_INFO_TABLE,
  86         COMBIOS_MEM_CLK_INFO_TABLE,
  87         COMBIOS_EXT_DAC_INFO_TABLE,
  88         COMBIOS_MISC_INFO_TABLE,
  89         COMBIOS_CRT_INFO_TABLE,
  90         COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
  91         COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
  92         COMBIOS_FAN_SPEED_INFO_TABLE,
  93         COMBIOS_OVERDRIVE_INFO_TABLE,
  94         COMBIOS_OEM_INFO_TABLE,
  95         COMBIOS_DYN_CLK_2_TABLE,
  96         COMBIOS_POWER_CONNECTOR_INFO_TABLE,
  97         COMBIOS_I2C_INFO_TABLE,
  98         /* relative offset tables */
  99         COMBIOS_ASIC_INIT_3_TABLE,      /* offset from misc info */
 100         COMBIOS_ASIC_INIT_4_TABLE,      /* offset from misc info */
 101         COMBIOS_DETECTED_MEM_TABLE,     /* offset from misc info */
 102         COMBIOS_ASIC_INIT_5_TABLE,      /* offset from misc info */
 103         COMBIOS_RAM_RESET_TABLE,        /* offset from mem config */
 104         COMBIOS_POWERPLAY_INFO_TABLE,   /* offset from mobile info */
 105         COMBIOS_GPIO_INFO_TABLE,        /* offset from mobile info */
 106         COMBIOS_LCD_DDC_INFO_TABLE,     /* offset from mobile info */
 107         COMBIOS_TMDS_POWER_TABLE,       /* offset from mobile info */
 108         COMBIOS_TMDS_POWER_ON_TABLE,    /* offset from tmds power */
 109         COMBIOS_TMDS_POWER_OFF_TABLE,   /* offset from tmds power */
 110 };
 111
 112 enum radeon_combios_ddc {
 113         DDC_NONE_DETECTED,
 114         DDC_MONID,
 115         DDC_DVI,
 116         DDC_VGA,
 117         DDC_CRT2,
 118         DDC_LCD,
 119         DDC_GPIO,
 120 };
 121
 122 enum radeon_combios_connector {
 123         CONNECTOR_NONE_LEGACY,
 124         CONNECTOR_PROPRIETARY_LEGACY,
 125         CONNECTOR_CRT_LEGACY,
 126         CONNECTOR_DVI_I_LEGACY,
 127         CONNECTOR_DVI_D_LEGACY,
 128         CONNECTOR_CTV_LEGACY,
 129         CONNECTOR_STV_LEGACY,
 130         CONNECTOR_UNSUPPORTED_LEGACY
 131 };
 132
 133 const int legacy_connector_convert[] = {
 134         DRM_MODE_CONNECTOR_Unknown,
 135         DRM_MODE_CONNECTOR_DVID,
 136         DRM_MODE_CONNECTOR_VGA,
 137         DRM_MODE_CONNECTOR_DVII,
 138         DRM_MODE_CONNECTOR_DVID,
 139         DRM_MODE_CONNECTOR_Composite,
 140         DRM_MODE_CONNECTOR_SVIDEO,
 141         DRM_MODE_CONNECTOR_Unknown,
 142 };
 143
 144 static uint16_t combios_get_table_offset(struct drm_device *dev,
 145                                          enum radeon_combios_table_offset table)
 146 {
 147         struct radeon_device *rdev = dev->dev_private;
 148         int rev;
 149         uint16_t offset = 0, check_offset;
 150
 151         switch (table) {
 152                 /* absolute offset tables */
 153         case COMBIOS_ASIC_INIT_1_TABLE:
 154                 check_offset = RBIOS16(rdev->bios_header_start + 0xc);
 155                 if (check_offset)
 156                         offset = check_offset;
 157                 break;
 158         case COMBIOS_BIOS_SUPPORT_TABLE:
 159                 check_offset = RBIOS16(rdev->bios_header_start + 0x14);
 160                 if (check_offset)
 161                         offset = check_offset;
 162                 break;
 163         case COMBIOS_DAC_PROGRAMMING_TABLE:
 164                 check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
 165                 if (check_offset)
 166                         offset = check_offset;
 167                 break;
 168         case COMBIOS_MAX_COLOR_DEPTH_TABLE:
 169                 check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
 170                 if (check_offset)
 171                         offset = check_offset;
 172                 break;
 173         case COMBIOS_CRTC_INFO_TABLE:
 174                 check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
 175                 if (check_offset)
 176                         offset = check_offset;
 177                 break;
 178         case COMBIOS_PLL_INFO_TABLE:
 179                 check_offset = RBIOS16(rdev->bios_header_start + 0x30);
 180                 if (check_offset)
 181                         offset = check_offset;
 182                 break;
 183         case COMBIOS_TV_INFO_TABLE:
 184                 check_offset = RBIOS16(rdev->bios_header_start + 0x32);
 185                 if (check_offset)
 186                         offset = check_offset;
 187                 break;
 188         case COMBIOS_DFP_INFO_TABLE:
 189                 check_offset = RBIOS16(rdev->bios_header_start + 0x34);
 190                 if (check_offset)
 191                         offset = check_offset;
 192                 break;
 193         case COMBIOS_HW_CONFIG_INFO_TABLE:
 194                 check_offset = RBIOS16(rdev->bios_header_start + 0x36);
 195                 if (check_offset)
 196                         offset = check_offset;
 197                 break;
 198         case COMBIOS_MULTIMEDIA_INFO_TABLE:
 199                 check_offset = RBIOS16(rdev->bios_header_start + 0x38);
 200                 if (check_offset)
 201                         offset = check_offset;
 202                 break;
 203         case COMBIOS_TV_STD_PATCH_TABLE:
 204                 check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
 205                 if (check_offset)
 206                         offset = check_offset;
 207                 break;
 208         case COMBIOS_LCD_INFO_TABLE:
 209                 check_offset = RBIOS16(rdev->bios_header_start + 0x40);
 210                 if (check_offset)
 211                         offset = check_offset;
 212                 break;
 213         case COMBIOS_MOBILE_INFO_TABLE:
 214                 check_offset = RBIOS16(rdev->bios_header_start + 0x42);
 215                 if (check_offset)
 216                         offset = check_offset;
 217                 break;
 218         case COMBIOS_PLL_INIT_TABLE:
 219                 check_offset = RBIOS16(rdev->bios_header_start + 0x46);
 220                 if (check_offset)
 221                         offset = check_offset;
 222                 break;
 223         case COMBIOS_MEM_CONFIG_TABLE:
 224                 check_offset = RBIOS16(rdev->bios_header_start + 0x48);
 225                 if (check_offset)
 226                         offset = check_offset;
 227                 break;
 228         case COMBIOS_SAVE_MASK_TABLE:
 229                 check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
 230                 if (check_offset)
 231                         offset = check_offset;
 232                 break;
 233         case COMBIOS_HARDCODED_EDID_TABLE:
 234                 check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
 235                 if (check_offset)
 236                         offset = check_offset;
 237                 break;
 238         case COMBIOS_ASIC_INIT_2_TABLE:
 239                 check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
 240                 if (check_offset)
 241                         offset = check_offset;
 242                 break;
 243         case COMBIOS_CONNECTOR_INFO_TABLE:
 244                 check_offset = RBIOS16(rdev->bios_header_start + 0x50);
 245                 if (check_offset)
 246                         offset = check_offset;
 247                 break;
 248         case COMBIOS_DYN_CLK_1_TABLE:
 249                 check_offset = RBIOS16(rdev->bios_header_start + 0x52);
 250                 if (check_offset)
 251                         offset = check_offset;
 252                 break;
 253         case COMBIOS_RESERVED_MEM_TABLE:
 254                 check_offset = RBIOS16(rdev->bios_header_start + 0x54);
 255                 if (check_offset)
 256                         offset = check_offset;
 257                 break;
 258         case COMBIOS_EXT_TMDS_INFO_TABLE:
 259                 check_offset = RBIOS16(rdev->bios_header_start + 0x58);
 260                 if (check_offset)
 261                         offset = check_offset;
 262                 break;
 263         case COMBIOS_MEM_CLK_INFO_TABLE:
 264                 check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
 265                 if (check_offset)
 266                         offset = check_offset;
 267                 break;
 268         case COMBIOS_EXT_DAC_INFO_TABLE:
 269                 check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
 270                 if (check_offset)
 271                         offset = check_offset;
 272                 break;
 273         case COMBIOS_MISC_INFO_TABLE:
 274                 check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
 275                 if (check_offset)
 276                         offset = check_offset;
 277                 break;
 278         case COMBIOS_CRT_INFO_TABLE:
 279                 check_offset = RBIOS16(rdev->bios_header_start + 0x60);
 280                 if (check_offset)
 281                         offset = check_offset;
 282                 break;
 283         case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
 284                 check_offset = RBIOS16(rdev->bios_header_start + 0x62);
 285                 if (check_offset)
 286                         offset = check_offset;
 287                 break;
 288         case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
 289                 check_offset = RBIOS16(rdev->bios_header_start + 0x64);
 290                 if (check_offset)
 291                         offset = check_offset;
 292                 break;
 293         case COMBIOS_FAN_SPEED_INFO_TABLE:
 294                 check_offset = RBIOS16(rdev->bios_header_start + 0x66);
 295                 if (check_offset)
 296                         offset = check_offset;
 297                 break;
 298         case COMBIOS_OVERDRIVE_INFO_TABLE:
 299                 check_offset = RBIOS16(rdev->bios_header_start + 0x68);
 300                 if (check_offset)
 301                         offset = check_offset;
 302                 break;
 303         case COMBIOS_OEM_INFO_TABLE:
 304                 check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
 305                 if (check_offset)
 306                         offset = check_offset;
 307                 break;
 308         case COMBIOS_DYN_CLK_2_TABLE:
 309                 check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
 310                 if (check_offset)
 311                         offset = check_offset;
 312                 break;
 313         case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
 314                 check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
 315                 if (check_offset)
 316                         offset = check_offset;
 317                 break;
 318         case COMBIOS_I2C_INFO_TABLE:
 319                 check_offset = RBIOS16(rdev->bios_header_start + 0x70);
 320                 if (check_offset)
 321                         offset = check_offset;
 322                 break;
 323                 /* relative offset tables */
 324         case COMBIOS_ASIC_INIT_3_TABLE: /* offset from misc info */
 325                 check_offset =
 326                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 327                 if (check_offset) {
 328                         rev = RBIOS8(check_offset);
 329                         if (rev > 0) {
 330                                 check_offset = RBIOS16(check_offset + 0x3);
 331                                 if (check_offset)
 332                                         offset = check_offset;
 333                         }
 334                 }
 335                 break;
 336         case COMBIOS_ASIC_INIT_4_TABLE: /* offset from misc info */
 337                 check_offset =
 338                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 339                 if (check_offset) {
 340                         rev = RBIOS8(check_offset);
 341                         if (rev > 0) {
 342                                 check_offset = RBIOS16(check_offset + 0x5);
 343                                 if (check_offset)
 344                                         offset = check_offset;
 345                         }
 346                 }
 347                 break;
 348         case COMBIOS_DETECTED_MEM_TABLE:        /* offset from misc info */
 349                 check_offset =
 350                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 351                 if (check_offset) {
 352                         rev = RBIOS8(check_offset);
 353                         if (rev > 0) {
 354                                 check_offset = RBIOS16(check_offset + 0x7);
 355                                 if (check_offset)
 356                                         offset = check_offset;
 357                         }
 358                 }
 359                 break;
 360         case COMBIOS_ASIC_INIT_5_TABLE: /* offset from misc info */
 361                 check_offset =
 362                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 363                 if (check_offset) {
 364                         rev = RBIOS8(check_offset);
 365                         if (rev == 2) {
 366                                 check_offset = RBIOS16(check_offset + 0x9);
 367                                 if (check_offset)
 368                                         offset = check_offset;
 369                         }
 370                 }
 371                 break;
 372         case COMBIOS_RAM_RESET_TABLE:   /* offset from mem config */
 373                 check_offset =
 374                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
 375                 if (check_offset) {
 376                         while (RBIOS8(check_offset++));
 377                         check_offset += 2;
 378                         if (check_offset)
 379                                 offset = check_offset;
 380                 }
 381                 break;
 382         case COMBIOS_POWERPLAY_INFO_TABLE:      /* offset from mobile info */
 383                 check_offset =
 384                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 385                 if (check_offset) {
 386                         check_offset = RBIOS16(check_offset + 0x11);
 387                         if (check_offset)
 388                                 offset = check_offset;
 389                 }
 390                 break;
 391         case COMBIOS_GPIO_INFO_TABLE:   /* offset from mobile info */
 392                 check_offset =
 393                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 394                 if (check_offset) {
 395                         check_offset = RBIOS16(check_offset + 0x13);
 396                         if (check_offset)
 397                                 offset = check_offset;
 398                 }
 399                 break;
 400         case COMBIOS_LCD_DDC_INFO_TABLE:        /* offset from mobile info */
 401                 check_offset =
 402                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 403                 if (check_offset) {
 404                         check_offset = RBIOS16(check_offset + 0x15);
 405                         if (check_offset)
 406                                 offset = check_offset;
 407                 }
 408                 break;
 409         case COMBIOS_TMDS_POWER_TABLE:  /* offset from mobile info */
 410                 check_offset =
 411                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 412                 if (check_offset) {
 413                         check_offset = RBIOS16(check_offset + 0x17);
 414                         if (check_offset)
 415                                 offset = check_offset;
 416                 }
 417                 break;
 418         case COMBIOS_TMDS_POWER_ON_TABLE:       /* offset from tmds power */
 419                 check_offset =
 420                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
 421                 if (check_offset) {
 422                         check_offset = RBIOS16(check_offset + 0x2);
 423                         if (check_offset)
 424                                 offset = check_offset;
 425                 }
 426                 break;
 427         case COMBIOS_TMDS_POWER_OFF_TABLE:      /* offset from tmds power */
 428                 check_offset =
 429                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
 430                 if (check_offset) {
 431                         check_offset = RBIOS16(check_offset + 0x4);
 432                         if (check_offset)
 433                                 offset = check_offset;
 434                 }
 435                 break;
 436         default:
 437                 break;
 438         }
 439
 440         return offset;
 441
 442 }
 443
 444 struct radeon_i2c_bus_rec combios_setup_i2c_bus(int ddc_line)
 445 {
 446         struct radeon_i2c_bus_rec i2c;
 447
 448         i2c.mask_clk_mask = RADEON_GPIO_EN_1;
 449         i2c.mask_data_mask = RADEON_GPIO_EN_0;
 450         i2c.a_clk_mask = RADEON_GPIO_A_1;
 451         i2c.a_data_mask = RADEON_GPIO_A_0;
 452         i2c.put_clk_mask = RADEON_GPIO_EN_1;
 453         i2c.put_data_mask = RADEON_GPIO_EN_0;
 454         i2c.get_clk_mask = RADEON_GPIO_Y_1;
 455         i2c.get_data_mask = RADEON_GPIO_Y_0;
 456         if ((ddc_line == RADEON_LCD_GPIO_MASK) ||
 457             (ddc_line == RADEON_MDGPIO_EN_REG)) {
 458                 i2c.mask_clk_reg = ddc_line;
 459                 i2c.mask_data_reg = ddc_line;
 460                 i2c.a_clk_reg = ddc_line;
 461                 i2c.a_data_reg = ddc_line;
 462                 i2c.put_clk_reg = ddc_line;
 463                 i2c.put_data_reg = ddc_line;
 464                 i2c.get_clk_reg = ddc_line + 4;
 465                 i2c.get_data_reg = ddc_line + 4;
 466         } else {
 467                 i2c.mask_clk_reg = ddc_line;
 468                 i2c.mask_data_reg = ddc_line;
 469                 i2c.a_clk_reg = ddc_line;
 470                 i2c.a_data_reg = ddc_line;
 471                 i2c.put_clk_reg = ddc_line;
 472                 i2c.put_data_reg = ddc_line;
 473                 i2c.get_clk_reg = ddc_line;
 474                 i2c.get_data_reg = ddc_line;
 475         }
 476
 477         if (ddc_line)
 478                 i2c.valid = true;
 479         else
 480                 i2c.valid = false;
 481
 482         return i2c;
 483 }
 484
 485 bool radeon_combios_get_clock_info(struct drm_device *dev)
 486 {
 487         struct radeon_device *rdev = dev->dev_private;
 488         uint16_t pll_info;
 489         struct radeon_pll *p1pll = &rdev->clock.p1pll;
 490         struct radeon_pll *p2pll = &rdev->clock.p2pll;
 491         struct radeon_pll *spll = &rdev->clock.spll;
 492         struct radeon_pll *mpll = &rdev->clock.mpll;
 493         int8_t rev;
 494         uint16_t sclk, mclk;
 495
 496         if (rdev->bios == NULL)
 497                 return NULL;
 498
 499         pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
 500         if (pll_info) {
 501                 rev = RBIOS8(pll_info);
 502
 503                 /* pixel clocks */
 504                 p1pll->reference_freq = RBIOS16(pll_info + 0xe);
 505                 p1pll->reference_div = RBIOS16(pll_info + 0x10);
 506                 p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
 507                 p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
 508
 509                 if (rev > 9) {
 510                         p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
 511                         p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
 512                 } else {
 513                         p1pll->pll_in_min = 40;
 514                         p1pll->pll_in_max = 500;
 515                 }
 516                 *p2pll = *p1pll;
 517
 518                 /* system clock */
 519                 spll->reference_freq = RBIOS16(pll_info + 0x1a);
 520                 spll->reference_div = RBIOS16(pll_info + 0x1c);
 521                 spll->pll_out_min = RBIOS32(pll_info + 0x1e);
 522                 spll->pll_out_max = RBIOS32(pll_info + 0x22);
 523
 524                 if (rev > 10) {
 525                         spll->pll_in_min = RBIOS32(pll_info + 0x48);
 526                         spll->pll_in_max = RBIOS32(pll_info + 0x4c);
 527                 } else {
 528                         /* ??? */
 529                         spll->pll_in_min = 40;
 530                         spll->pll_in_max = 500;
 531                 }
 532
 533                 /* memory clock */
 534                 mpll->reference_freq = RBIOS16(pll_info + 0x26);
 535                 mpll->reference_div = RBIOS16(pll_info + 0x28);
 536                 mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
 537                 mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
 538
 539                 if (rev > 10) {
 540                         mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
 541                         mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
 542                 } else {
 543                         /* ??? */
 544                         mpll->pll_in_min = 40;
 545                         mpll->pll_in_max = 500;
 546                 }
 547
 548                 /* default sclk/mclk */
 549                 sclk = RBIOS16(pll_info + 0xa);
 550                 mclk = RBIOS16(pll_info + 0x8);
 551                 if (sclk == 0)
 552                         sclk = 200 * 100;
 553                 if (mclk == 0)
 554                         mclk = 200 * 100;
 555
 556                 rdev->clock.default_sclk = sclk;
 557                 rdev->clock.default_mclk = mclk;
 558
 559                 return true;
 560         }
 561         return false;
 562 }
 563
 564 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
 565                                                                        radeon_encoder
 566                                                                        *encoder)
 567 {
 568         struct drm_device *dev = encoder->base.dev;
 569         struct radeon_device *rdev = dev->dev_private;
 570         uint16_t dac_info;
 571         uint8_t rev, bg, dac;
 572         struct radeon_encoder_primary_dac *p_dac = NULL;
 573
 574         if (rdev->bios == NULL)
 575                 return NULL;
 576
 577         /* check CRT table */
 578         dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
 579         if (dac_info) {
 580                 p_dac =
 581                     kzalloc(sizeof(struct radeon_encoder_primary_dac),
 582                             GFP_KERNEL);
 583
 584                 if (!p_dac)
 585                         return NULL;
 586
 587                 rev = RBIOS8(dac_info) & 0x3;
 588                 if (rev < 2) {
 589                         bg = RBIOS8(dac_info + 0x2) & 0xf;
 590                         dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
 591                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
 592                 } else {
 593                         bg = RBIOS8(dac_info + 0x2) & 0xf;
 594                         dac = RBIOS8(dac_info + 0x3) & 0xf;
 595                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
 596                 }
 597
 598         }
 599
 600         return p_dac;
 601 }
 602
 603 static enum radeon_tv_std
 604 radeon_combios_get_tv_info(struct radeon_encoder *encoder)
 605 {
 606         struct drm_device *dev = encoder->base.dev;
 607         struct radeon_device *rdev = dev->dev_private;
 608         uint16_t tv_info;
 609         enum radeon_tv_std tv_std = TV_STD_NTSC;
 610
 611         tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
 612         if (tv_info) {
 613                 if (RBIOS8(tv_info + 6) == 'T') {
 614                         switch (RBIOS8(tv_info + 7) & 0xf) {
 615                         case 1:
 616                                 tv_std = TV_STD_NTSC;
 617                                 DRM_INFO("Default TV standard: NTSC\n");
 618                                 break;
 619                         case 2:
 620                                 tv_std = TV_STD_PAL;
 621                                 DRM_INFO("Default TV standard: PAL\n");
 622                                 break;
 623                         case 3:
 624                                 tv_std = TV_STD_PAL_M;
 625                                 DRM_INFO("Default TV standard: PAL-M\n");
 626                                 break;
 627                         case 4:
 628                                 tv_std = TV_STD_PAL_60;
 629                                 DRM_INFO("Default TV standard: PAL-60\n");
 630                                 break;
 631                         case 5:
 632                                 tv_std = TV_STD_NTSC_J;
 633                                 DRM_INFO("Default TV standard: NTSC-J\n");
 634                                 break;
 635                         case 6:
 636                                 tv_std = TV_STD_SCART_PAL;
 637                                 DRM_INFO("Default TV standard: SCART-PAL\n");
 638                                 break;
 639                         default:
 640                                 tv_std = TV_STD_NTSC;
 641                                 DRM_INFO
 642                                     ("Unknown TV standard; defaulting to NTSC\n");
 643                                 break;
 644                         }
 645
 646                         switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
 647                         case 0:
 648                                 DRM_INFO("29.498928713 MHz TV ref clk\n");
 649                                 break;
 650                         case 1:
 651                                 DRM_INFO("28.636360000 MHz TV ref clk\n");
 652                                 break;
 653                         case 2:
 654                                 DRM_INFO("14.318180000 MHz TV ref clk\n");
 655                                 break;
 656                         case 3:
 657                                 DRM_INFO("27.000000000 MHz TV ref clk\n");
 658                                 break;
 659                         default:
 660                                 break;
 661                         }
 662                 }
 663         }
 664         return tv_std;
 665 }
 666
 667 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
 668         0x00000000,             /* r100  */
 669         0x00280000,             /* rv100 */
 670         0x00000000,             /* rs100 */
 671         0x00880000,             /* rv200 */
 672         0x00000000,             /* rs200 */
 673         0x00000000,             /* r200  */
 674         0x00770000,             /* rv250 */
 675         0x00290000,             /* rs300 */
 676         0x00560000,             /* rv280 */
 677         0x00780000,             /* r300  */
 678         0x00770000,             /* r350  */
 679         0x00780000,             /* rv350 */
 680         0x00780000,             /* rv380 */
 681         0x01080000,             /* r420  */
 682         0x01080000,             /* r423  */
 683         0x01080000,             /* rv410 */
 684         0x00780000,             /* rs400 */
 685         0x00780000,             /* rs480 */
 686 };
 687
 688 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
 689                                                      struct radeon_encoder_tv_dac *tv_dac)
 690 {
 691         tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
 692         if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
 693                 tv_dac->ps2_tvdac_adj = 0x00880000;
 694         tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
 695         tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
 696         return;
 697 }
 698
 699 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 700                                                              radeon_encoder
 701                                                              *encoder)
 702 {
 703         struct drm_device *dev = encoder->base.dev;
 704         struct radeon_device *rdev = dev->dev_private;
 705         uint16_t dac_info;
 706         uint8_t rev, bg, dac;
 707         struct radeon_encoder_tv_dac *tv_dac = NULL;
 708         int found = 0;
 709
 710         tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
 711         if (!tv_dac)
 712                 return NULL;
 713
 714         if (rdev->bios == NULL)
 715                 goto out;
 716
 717         /* first check TV table */
 718         dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
 719         if (dac_info) {
 720                 rev = RBIOS8(dac_info + 0x3);
 721                 if (rev > 4) {
 722                         bg = RBIOS8(dac_info + 0xc) & 0xf;
 723                         dac = RBIOS8(dac_info + 0xd) & 0xf;
 724                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
 725
 726                         bg = RBIOS8(dac_info + 0xe) & 0xf;
 727                         dac = RBIOS8(dac_info + 0xf) & 0xf;
 728                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
 729
 730                         bg = RBIOS8(dac_info + 0x10) & 0xf;
 731                         dac = RBIOS8(dac_info + 0x11) & 0xf;
 732                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
 733                         found = 1;
 734                 } else if (rev > 1) {
 735                         bg = RBIOS8(dac_info + 0xc) & 0xf;
 736                         dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
 737                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
 738
 739                         bg = RBIOS8(dac_info + 0xd) & 0xf;
 740                         dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
 741                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
 742
 743                         bg = RBIOS8(dac_info + 0xe) & 0xf;
 744                         dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
 745                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
 746                         found = 1;
 747                 }
 748                 tv_dac->tv_std = radeon_combios_get_tv_info(encoder);
 749         }
 750         if (!found) {
 751                 /* then check CRT table */
 752                 dac_info =
 753                     combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
 754                 if (dac_info) {
 755                         rev = RBIOS8(dac_info) & 0x3;
 756                         if (rev < 2) {
 757                                 bg = RBIOS8(dac_info + 0x3) & 0xf;
 758                                 dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
 759                                 tv_dac->ps2_tvdac_adj =
 760                                     (bg << 16) | (dac << 20);
 761                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
 762                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
 763                                 found = 1;
 764                         } else {
 765                                 bg = RBIOS8(dac_info + 0x4) & 0xf;
 766                                 dac = RBIOS8(dac_info + 0x5) & 0xf;
 767                                 tv_dac->ps2_tvdac_adj =
 768                                     (bg << 16) | (dac << 20);
 769                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
 770                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
 771                                 found = 1;
 772                         }
 773                 } else {
 774                         DRM_INFO("No TV DAC info found in BIOS\n");
 775                 }
 776         }
 777
 778 out:
 779         if (!found) /* fallback to defaults */
 780                 radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
 781
 782         return tv_dac;
 783 }
 784
 785 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
 786                                                                          radeon_device
 787                                                                          *rdev)
 788 {
 789         struct radeon_encoder_lvds *lvds = NULL;
 790         uint32_t fp_vert_stretch, fp_horz_stretch;
 791         uint32_t ppll_div_sel, ppll_val;
 792         uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
 793
 794         lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
 795
 796         if (!lvds)
 797                 return NULL;
 798
 799         fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
 800         fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
 801
 802         /* These should be fail-safe defaults, fingers crossed */
 803         lvds->panel_pwr_delay = 200;
 804         lvds->panel_vcc_delay = 2000;
 805
 806         lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
 807         lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
 808         lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
 809
 810         if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
 811                 lvds->native_mode.panel_yres =
 812                     ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
 813                      RADEON_VERT_PANEL_SHIFT) + 1;
 814         else
 815                 lvds->native_mode.panel_yres =
 816                     (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
 817
 818         if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
 819                 lvds->native_mode.panel_xres =
 820                     (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
 821                       RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
 822         else
 823                 lvds->native_mode.panel_xres =
 824                     ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
 825
 826         if ((lvds->native_mode.panel_xres < 640) ||
 827             (lvds->native_mode.panel_yres < 480)) {
 828                 lvds->native_mode.panel_xres = 640;
 829                 lvds->native_mode.panel_yres = 480;
 830         }
 831
 832         ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
 833         ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
 834         if ((ppll_val & 0x000707ff) == 0x1bb)
 835                 lvds->use_bios_dividers = false;
 836         else {
 837                 lvds->panel_ref_divider =
 838                     RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
 839                 lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
 840                 lvds->panel_fb_divider = ppll_val & 0x7ff;
 841
 842                 if ((lvds->panel_ref_divider != 0) &&
 843                     (lvds->panel_fb_divider > 3))
 844                         lvds->use_bios_dividers = true;
 845         }
 846         lvds->panel_vcc_delay = 200;
 847
 848         DRM_INFO("Panel info derived from registers\n");
 849         DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.panel_xres,
 850                  lvds->native_mode.panel_yres);
 851
 852         return lvds;
 853 }
 854
 855 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
 856                                                          *encoder)
 857 {
 858         struct drm_device *dev = encoder->base.dev;
 859         struct radeon_device *rdev = dev->dev_private;
 860         uint16_t lcd_info;
 861         uint32_t panel_setup;
 862         char stmp[30];
 863         int tmp, i;
 864         struct radeon_encoder_lvds *lvds = NULL;
 865
 866         if (rdev->bios == NULL) {
 867                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
 868                 goto out;
 869         }
 870
 871         lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
 872
 873         if (lcd_info) {
 874                 lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
 875
 876                 if (!lvds)
 877                         return NULL;
 878
 879                 for (i = 0; i < 24; i++)
 880                         stmp[i] = RBIOS8(lcd_info + i + 1);
 881                 stmp[24] = 0;
 882
 883                 DRM_INFO("Panel ID String: %s\n", stmp);
 884
 885                 lvds->native_mode.panel_xres = RBIOS16(lcd_info + 0x19);
 886                 lvds->native_mode.panel_yres = RBIOS16(lcd_info + 0x1b);
 887
 888                 DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.panel_xres,
 889                          lvds->native_mode.panel_yres);
 890
 891                 lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
 892                 if (lvds->panel_vcc_delay > 2000 || lvds->panel_vcc_delay < 0)
 893                         lvds->panel_vcc_delay = 2000;
 894
 895                 lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
 896                 lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
 897                 lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
 898
 899                 lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
 900                 lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
 901                 lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
 902                 if ((lvds->panel_ref_divider != 0) &&
 903                     (lvds->panel_fb_divider > 3))
 904                         lvds->use_bios_dividers = true;
 905
 906                 panel_setup = RBIOS32(lcd_info + 0x39);
 907                 lvds->lvds_gen_cntl = 0xff00;
 908                 if (panel_setup & 0x1)
 909                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
 910
 911                 if ((panel_setup >> 4) & 0x1)
 912                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
 913
 914                 switch ((panel_setup >> 8) & 0x7) {
 915                 case 0:
 916                         lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
 917                         break;
 918                 case 1:
 919                         lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
 920                         break;
 921                 case 2:
 922                         lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
 923                         break;
 924                 default:
 925                         break;
 926                 }
 927
 928                 if ((panel_setup >> 16) & 0x1)
 929                         lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
 930
 931                 if ((panel_setup >> 17) & 0x1)
 932                         lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
 933
 934                 if ((panel_setup >> 18) & 0x1)
 935                         lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
 936
 937                 if ((panel_setup >> 23) & 0x1)
 938                         lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
 939
 940                 lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
 941
 942                 for (i = 0; i < 32; i++) {
 943                         tmp = RBIOS16(lcd_info + 64 + i * 2);
 944                         if (tmp == 0)
 945                                 break;
 946
 947                         if ((RBIOS16(tmp) == lvds->native_mode.panel_xres) &&
 948                             (RBIOS16(tmp + 2) ==
 949                              lvds->native_mode.panel_yres)) {
 950                                 lvds->native_mode.hblank =
 951                                     (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
 952                                 lvds->native_mode.hoverplus =
 953                                     (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) -
 954                                      1) * 8;
 955                                 lvds->native_mode.hsync_width =
 956                                     RBIOS8(tmp + 23) * 8;
 957
 958                                 lvds->native_mode.vblank = (RBIOS16(tmp + 24) -
 959                                                             RBIOS16(tmp + 26));
 960                                 lvds->native_mode.voverplus =
 961                                     ((RBIOS16(tmp + 28) & 0x7ff) -
 962                                      RBIOS16(tmp + 26));
 963                                 lvds->native_mode.vsync_width =
 964                                     ((RBIOS16(tmp + 28) & 0xf800) >> 11);
 965                                 lvds->native_mode.dotclock =
 966                                     RBIOS16(tmp + 9) * 10;
 967                                 lvds->native_mode.flags = 0;
 968                         }
 969                 }
 970         } else {
 971                 DRM_INFO("No panel info found in BIOS\n");
 972                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
 973         }
 974 out:
 975         if (lvds)
 976                 encoder->native_mode = lvds->native_mode;
 977         return lvds;
 978 }
 979
 980 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
 981         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R100  */
 982         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV100 */
 983         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS100 */
 984         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV200 */
 985         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RS200 */
 986         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R200  */
 987         {{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},  /* CHIP_RV250 */
 988         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS300 */
 989         {{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},    /* CHIP_RV280 */
 990         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R300  */
 991         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R350  */
 992         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV350 */
 993         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV380 */
 994         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R420  */
 995         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R423  */
 996         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_RV410 */
 997         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RS400 */
 998         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RS480 */
 999 };
1000
1001 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1002                                             struct radeon_encoder_int_tmds *tmds)
1003 {
1004         struct drm_device *dev = encoder->base.dev;
1005         struct radeon_device *rdev = dev->dev_private;
1006         int i;
1007
1008         for (i = 0; i < 4; i++) {
1009                 tmds->tmds_pll[i].value =
1010                         default_tmds_pll[rdev->family][i].value;
1011                 tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1012         }
1013
1014         return true;
1015 }
1016
1017 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1018                                               struct radeon_encoder_int_tmds *tmds)
1019 {
1020         struct drm_device *dev = encoder->base.dev;
1021         struct radeon_device *rdev = dev->dev_private;
1022         uint16_t tmds_info;
1023         int i, n;
1024         uint8_t ver;
1025
1026         if (rdev->bios == NULL)
1027                 return false;
1028
1029         tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1030
1031         if (tmds_info) {
1032
1033                 ver = RBIOS8(tmds_info);
1034                 DRM_INFO("DFP table revision: %d\n", ver);
1035                 if (ver == 3) {
1036                         n = RBIOS8(tmds_info + 5) + 1;
1037                         if (n > 4)
1038                                 n = 4;
1039                         for (i = 0; i < n; i++) {
1040                                 tmds->tmds_pll[i].value =
1041                                     RBIOS32(tmds_info + i * 10 + 0x08);
1042                                 tmds->tmds_pll[i].freq =
1043                                     RBIOS16(tmds_info + i * 10 + 0x10);
1044                                 DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1045                                           tmds->tmds_pll[i].freq,
1046                                           tmds->tmds_pll[i].value);
1047                         }
1048                 } else if (ver == 4) {
1049                         int stride = 0;
1050                         n = RBIOS8(tmds_info + 5) + 1;
1051                         if (n > 4)
1052                                 n = 4;
1053                         for (i = 0; i < n; i++) {
1054                                 tmds->tmds_pll[i].value =
1055                                     RBIOS32(tmds_info + stride + 0x08);
1056                                 tmds->tmds_pll[i].freq =
1057                                     RBIOS16(tmds_info + stride + 0x10);
1058                                 if (i == 0)
1059                                         stride += 10;
1060                                 else
1061                                         stride += 6;
1062                                 DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
1063                                           tmds->tmds_pll[i].freq,
1064                                           tmds->tmds_pll[i].value);
1065                         }
1066                 }
1067         } else
1068                 DRM_INFO("No TMDS info found in BIOS\n");
1069         return true;
1070 }
1071
1072 struct radeon_encoder_int_tmds *radeon_combios_get_tmds_info(struct radeon_encoder *encoder)
1073 {
1074         struct radeon_encoder_int_tmds *tmds = NULL;
1075         bool ret;
1076
1077         tmds = kzalloc(sizeof(struct radeon_encoder_int_tmds), GFP_KERNEL);
1078
1079         if (!tmds)
1080                 return NULL;
1081
1082         ret = radeon_legacy_get_tmds_info_from_combios(encoder, tmds);
1083         if (ret == false)
1084                 radeon_legacy_get_tmds_info_from_table(encoder, tmds);
1085
1086         return tmds;
1087 }
1088
1089 void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder)
1090 {
1091         struct drm_device *dev = encoder->base.dev;
1092         struct radeon_device *rdev = dev->dev_private;
1093         uint16_t ext_tmds_info;
1094         uint8_t ver;
1095
1096         if (rdev->bios == NULL)
1097                 return;
1098
1099         ext_tmds_info =
1100             combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1101         if (ext_tmds_info) {
1102                 ver = RBIOS8(ext_tmds_info);
1103                 DRM_INFO("External TMDS Table revision: %d\n", ver);
1104                 // TODO
1105         }
1106 }
1107
1108 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1109 {
1110         struct radeon_device *rdev = dev->dev_private;
1111         struct radeon_i2c_bus_rec ddc_i2c;
1112
1113         rdev->mode_info.connector_table = radeon_connector_table;
1114         if (rdev->mode_info.connector_table == CT_NONE) {
1115 #ifdef CONFIG_PPC_PMAC
1116                 if (machine_is_compatible("PowerBook3,3")) {
1117                         /* powerbook with VGA */
1118                         rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1119                 } else if (machine_is_compatible("PowerBook3,4") ||
1120                            machine_is_compatible("PowerBook3,5")) {
1121                         /* powerbook with internal tmds */
1122                         rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1123                 } else if (machine_is_compatible("PowerBook5,1") ||
1124                            machine_is_compatible("PowerBook5,2") ||
1125                            machine_is_compatible("PowerBook5,3") ||
1126                            machine_is_compatible("PowerBook5,4") ||
1127                            machine_is_compatible("PowerBook5,5")) {
1128                         /* powerbook with external single link tmds (sil164) */
1129                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1130                 } else if (machine_is_compatible("PowerBook5,6")) {
1131                         /* powerbook with external dual or single link tmds */
1132                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1133                 } else if (machine_is_compatible("PowerBook5,7") ||
1134                            machine_is_compatible("PowerBook5,8") ||
1135                            machine_is_compatible("PowerBook5,9")) {
1136                         /* PowerBook6,2 ? */
1137                         /* powerbook with external dual link tmds (sil1178?) */
1138                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1139                 } else if (machine_is_compatible("PowerBook4,1") ||
1140                            machine_is_compatible("PowerBook4,2") ||
1141                            machine_is_compatible("PowerBook4,3") ||
1142                            machine_is_compatible("PowerBook6,3") ||
1143                            machine_is_compatible("PowerBook6,5") ||
1144                            machine_is_compatible("PowerBook6,7")) {
1145                         /* ibook */
1146                         rdev->mode_info.connector_table = CT_IBOOK;
1147                 } else if (machine_is_compatible("PowerMac4,4")) {
1148                         /* emac */
1149                         rdev->mode_info.connector_table = CT_EMAC;
1150                 } else if (machine_is_compatible("PowerMac10,1")) {
1151                         /* mini with internal tmds */
1152                         rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1153                 } else if (machine_is_compatible("PowerMac10,2")) {
1154                         /* mini with external tmds */
1155                         rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1156                 } else if (machine_is_compatible("PowerMac12,1")) {
1157                         /* PowerMac8,1 ? */
1158                         /* imac g5 isight */
1159                         rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1160                 } else
1161 #endif /* CONFIG_PPC_PMAC */
1162                         rdev->mode_info.connector_table = CT_GENERIC;
1163         }
1164
1165         switch (rdev->mode_info.connector_table) {
1166         case CT_GENERIC:
1167                 DRM_INFO("Connector Table: %d (generic)\n",
1168                          rdev->mode_info.connector_table);
1169                 /* these are the most common settings */
1170                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1171                         /* VGA - primary dac */
1172                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1173                         radeon_add_legacy_encoder(dev,
1174                                                   radeon_get_encoder_id(dev,
1175                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1176                                                                         1),
1177                                                   ATOM_DEVICE_CRT1_SUPPORT);
1178                         radeon_add_legacy_connector(dev, 0,
1179                                                     ATOM_DEVICE_CRT1_SUPPORT,
1180                                                     DRM_MODE_CONNECTOR_VGA,
1181                                                     &ddc_i2c);
1182                 } else if (rdev->flags & RADEON_IS_MOBILITY) {
1183                         /* LVDS */
1184                         ddc_i2c = combios_setup_i2c_bus(RADEON_LCD_GPIO_MASK);
1185                         radeon_add_legacy_encoder(dev,
1186                                                   radeon_get_encoder_id(dev,
1187                                                                         ATOM_DEVICE_LCD1_SUPPORT,
1188                                                                         0),
1189                                                   ATOM_DEVICE_LCD1_SUPPORT);
1190                         radeon_add_legacy_connector(dev, 0,
1191                                                     ATOM_DEVICE_LCD1_SUPPORT,
1192                                                     DRM_MODE_CONNECTOR_LVDS,
1193                                                     &ddc_i2c);
1194
1195                         /* VGA - primary dac */
1196                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1197                         radeon_add_legacy_encoder(dev,
1198                                                   radeon_get_encoder_id(dev,
1199                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1200                                                                         1),
1201                                                   ATOM_DEVICE_CRT1_SUPPORT);
1202                         radeon_add_legacy_connector(dev, 1,
1203                                                     ATOM_DEVICE_CRT1_SUPPORT,
1204                                                     DRM_MODE_CONNECTOR_VGA,
1205                                                     &ddc_i2c);
1206                 } else {
1207                         /* DVI-I - tv dac, int tmds */
1208                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1209                         radeon_add_legacy_encoder(dev,
1210                                                   radeon_get_encoder_id(dev,
1211                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1212                                                                         0),
1213                                                   ATOM_DEVICE_DFP1_SUPPORT);
1214                         radeon_add_legacy_encoder(dev,
1215                                                   radeon_get_encoder_id(dev,
1216                                                                         ATOM_DEVICE_CRT2_SUPPORT,
1217                                                                         2),
1218                                                   ATOM_DEVICE_CRT2_SUPPORT);
1219                         radeon_add_legacy_connector(dev, 0,
1220                                                     ATOM_DEVICE_DFP1_SUPPORT |
1221                                                     ATOM_DEVICE_CRT2_SUPPORT,
1222                                                     DRM_MODE_CONNECTOR_DVII,
1223                                                     &ddc_i2c);
1224
1225                         /* VGA - primary dac */
1226                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1227                         radeon_add_legacy_encoder(dev,
1228                                                   radeon_get_encoder_id(dev,
1229                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1230                                                                         1),
1231                                                   ATOM_DEVICE_CRT1_SUPPORT);
1232                         radeon_add_legacy_connector(dev, 1,
1233                                                     ATOM_DEVICE_CRT1_SUPPORT,
1234                                                     DRM_MODE_CONNECTOR_VGA,
1235                                                     &ddc_i2c);
1236                 }
1237
1238                 if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1239                         /* TV - tv dac */
1240                         radeon_add_legacy_encoder(dev,
1241                                                   radeon_get_encoder_id(dev,
1242                                                                         ATOM_DEVICE_TV1_SUPPORT,
1243                                                                         2),
1244                                                   ATOM_DEVICE_TV1_SUPPORT);
1245                         radeon_add_legacy_connector(dev, 2,
1246                                                     ATOM_DEVICE_TV1_SUPPORT,
1247                                                     DRM_MODE_CONNECTOR_SVIDEO,
1248                                                     &ddc_i2c);
1249                 }
1250                 break;
1251         case CT_IBOOK:
1252                 DRM_INFO("Connector Table: %d (ibook)\n",
1253                          rdev->mode_info.connector_table);
1254                 /* LVDS */
1255                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1256                 radeon_add_legacy_encoder(dev,
1257                                           radeon_get_encoder_id(dev,
1258                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1259                                                                 0),
1260                                           ATOM_DEVICE_LCD1_SUPPORT);
1261                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1262                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1263                 /* VGA - TV DAC */
1264                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1265                 radeon_add_legacy_encoder(dev,
1266                                           radeon_get_encoder_id(dev,
1267                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1268                                                                 2),
1269                                           ATOM_DEVICE_CRT2_SUPPORT);
1270                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1271                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1272                 /* TV - TV DAC */
1273                 radeon_add_legacy_encoder(dev,
1274                                           radeon_get_encoder_id(dev,
1275                                                                 ATOM_DEVICE_TV1_SUPPORT,
1276                                                                 2),
1277                                           ATOM_DEVICE_TV1_SUPPORT);
1278                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1279                                             DRM_MODE_CONNECTOR_SVIDEO,
1280                                             &ddc_i2c);
1281                 break;
1282         case CT_POWERBOOK_EXTERNAL:
1283                 DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1284                          rdev->mode_info.connector_table);
1285                 /* LVDS */
1286                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1287                 radeon_add_legacy_encoder(dev,
1288                                           radeon_get_encoder_id(dev,
1289                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1290                                                                 0),
1291                                           ATOM_DEVICE_LCD1_SUPPORT);
1292                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1293                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1294                 /* DVI-I - primary dac, ext tmds */
1295                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1296                 radeon_add_legacy_encoder(dev,
1297                                           radeon_get_encoder_id(dev,
1298                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1299                                                                 0),
1300                                           ATOM_DEVICE_DFP2_SUPPORT);
1301                 radeon_add_legacy_encoder(dev,
1302                                           radeon_get_encoder_id(dev,
1303                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1304                                                                 1),
1305                                           ATOM_DEVICE_CRT1_SUPPORT);
1306                 radeon_add_legacy_connector(dev, 1,
1307                                             ATOM_DEVICE_DFP2_SUPPORT |
1308                                             ATOM_DEVICE_CRT1_SUPPORT,
1309                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1310                 /* TV - TV DAC */
1311                 radeon_add_legacy_encoder(dev,
1312                                           radeon_get_encoder_id(dev,
1313                                                                 ATOM_DEVICE_TV1_SUPPORT,
1314                                                                 2),
1315                                           ATOM_DEVICE_TV1_SUPPORT);
1316                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1317                                             DRM_MODE_CONNECTOR_SVIDEO,
1318                                             &ddc_i2c);
1319                 break;
1320         case CT_POWERBOOK_INTERNAL:
1321                 DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1322                          rdev->mode_info.connector_table);
1323                 /* LVDS */
1324                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1325                 radeon_add_legacy_encoder(dev,
1326                                           radeon_get_encoder_id(dev,
1327                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1328                                                                 0),
1329                                           ATOM_DEVICE_LCD1_SUPPORT);
1330                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1331                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1332                 /* DVI-I - primary dac, int tmds */
1333                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1334                 radeon_add_legacy_encoder(dev,
1335                                           radeon_get_encoder_id(dev,
1336                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1337                                                                 0),
1338                                           ATOM_DEVICE_DFP1_SUPPORT);
1339                 radeon_add_legacy_encoder(dev,
1340                                           radeon_get_encoder_id(dev,
1341                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1342                                                                 1),
1343                                           ATOM_DEVICE_CRT1_SUPPORT);
1344                 radeon_add_legacy_connector(dev, 1,
1345                                             ATOM_DEVICE_DFP1_SUPPORT |
1346                                             ATOM_DEVICE_CRT1_SUPPORT,
1347                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1348                 /* TV - TV DAC */
1349                 radeon_add_legacy_encoder(dev,
1350                                           radeon_get_encoder_id(dev,
1351                                                                 ATOM_DEVICE_TV1_SUPPORT,
1352                                                                 2),
1353                                           ATOM_DEVICE_TV1_SUPPORT);
1354                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1355                                             DRM_MODE_CONNECTOR_SVIDEO,
1356                                             &ddc_i2c);
1357                 break;
1358         case CT_POWERBOOK_VGA:
1359                 DRM_INFO("Connector Table: %d (powerbook vga)\n",
1360                          rdev->mode_info.connector_table);
1361                 /* LVDS */
1362                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1363                 radeon_add_legacy_encoder(dev,
1364                                           radeon_get_encoder_id(dev,
1365                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1366                                                                 0),
1367                                           ATOM_DEVICE_LCD1_SUPPORT);
1368                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1369                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c);
1370                 /* VGA - primary dac */
1371                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1372                 radeon_add_legacy_encoder(dev,
1373                                           radeon_get_encoder_id(dev,
1374                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1375                                                                 1),
1376                                           ATOM_DEVICE_CRT1_SUPPORT);
1377                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1378                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1379                 /* TV - TV DAC */
1380                 radeon_add_legacy_encoder(dev,
1381                                           radeon_get_encoder_id(dev,
1382                                                                 ATOM_DEVICE_TV1_SUPPORT,
1383                                                                 2),
1384                                           ATOM_DEVICE_TV1_SUPPORT);
1385                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1386                                             DRM_MODE_CONNECTOR_SVIDEO,
1387                                             &ddc_i2c);
1388                 break;
1389         case CT_MINI_EXTERNAL:
1390                 DRM_INFO("Connector Table: %d (mini external tmds)\n",
1391                          rdev->mode_info.connector_table);
1392                 /* DVI-I - tv dac, ext tmds */
1393                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1394                 radeon_add_legacy_encoder(dev,
1395                                           radeon_get_encoder_id(dev,
1396                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1397                                                                 0),
1398                                           ATOM_DEVICE_DFP2_SUPPORT);
1399                 radeon_add_legacy_encoder(dev,
1400                                           radeon_get_encoder_id(dev,
1401                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1402                                                                 2),
1403                                           ATOM_DEVICE_CRT2_SUPPORT);
1404                 radeon_add_legacy_connector(dev, 0,
1405                                             ATOM_DEVICE_DFP2_SUPPORT |
1406                                             ATOM_DEVICE_CRT2_SUPPORT,
1407                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1408                 /* TV - TV DAC */
1409                 radeon_add_legacy_encoder(dev,
1410                                           radeon_get_encoder_id(dev,
1411                                                                 ATOM_DEVICE_TV1_SUPPORT,
1412                                                                 2),
1413                                           ATOM_DEVICE_TV1_SUPPORT);
1414                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1415                                             DRM_MODE_CONNECTOR_SVIDEO,
1416                                             &ddc_i2c);
1417                 break;
1418         case CT_MINI_INTERNAL:
1419                 DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1420                          rdev->mode_info.connector_table);
1421                 /* DVI-I - tv dac, int tmds */
1422                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1423                 radeon_add_legacy_encoder(dev,
1424                                           radeon_get_encoder_id(dev,
1425                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1426                                                                 0),
1427                                           ATOM_DEVICE_DFP1_SUPPORT);
1428                 radeon_add_legacy_encoder(dev,
1429                                           radeon_get_encoder_id(dev,
1430                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1431                                                                 2),
1432                                           ATOM_DEVICE_CRT2_SUPPORT);
1433                 radeon_add_legacy_connector(dev, 0,
1434                                             ATOM_DEVICE_DFP1_SUPPORT |
1435                                             ATOM_DEVICE_CRT2_SUPPORT,
1436                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c);
1437                 /* TV - TV DAC */
1438                 radeon_add_legacy_encoder(dev,
1439                                           radeon_get_encoder_id(dev,
1440                                                                 ATOM_DEVICE_TV1_SUPPORT,
1441                                                                 2),
1442                                           ATOM_DEVICE_TV1_SUPPORT);
1443                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1444                                             DRM_MODE_CONNECTOR_SVIDEO,
1445                                             &ddc_i2c);
1446                 break;
1447         case CT_IMAC_G5_ISIGHT:
1448                 DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1449                          rdev->mode_info.connector_table);
1450                 /* DVI-D - int tmds */
1451                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
1452                 radeon_add_legacy_encoder(dev,
1453                                           radeon_get_encoder_id(dev,
1454                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1455                                                                 0),
1456                                           ATOM_DEVICE_DFP1_SUPPORT);
1457                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1458                                             DRM_MODE_CONNECTOR_DVID, &ddc_i2c);
1459                 /* VGA - tv dac */
1460                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1461                 radeon_add_legacy_encoder(dev,
1462                                           radeon_get_encoder_id(dev,
1463                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1464                                                                 2),
1465                                           ATOM_DEVICE_CRT2_SUPPORT);
1466                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1467                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1468                 /* TV - TV DAC */
1469                 radeon_add_legacy_encoder(dev,
1470                                           radeon_get_encoder_id(dev,
1471                                                                 ATOM_DEVICE_TV1_SUPPORT,
1472                                                                 2),
1473                                           ATOM_DEVICE_TV1_SUPPORT);
1474                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1475                                             DRM_MODE_CONNECTOR_SVIDEO,
1476                                             &ddc_i2c);
1477                 break;
1478         case CT_EMAC:
1479                 DRM_INFO("Connector Table: %d (emac)\n",
1480                          rdev->mode_info.connector_table);
1481                 /* VGA - primary dac */
1482                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1483                 radeon_add_legacy_encoder(dev,
1484                                           radeon_get_encoder_id(dev,
1485                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1486                                                                 1),
1487                                           ATOM_DEVICE_CRT1_SUPPORT);
1488                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1489                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1490                 /* VGA - tv dac */
1491                 ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1492                 radeon_add_legacy_encoder(dev,
1493                                           radeon_get_encoder_id(dev,
1494                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1495                                                                 2),
1496                                           ATOM_DEVICE_CRT2_SUPPORT);
1497                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1498                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c);
1499                 /* TV - TV DAC */
1500                 radeon_add_legacy_encoder(dev,
1501                                           radeon_get_encoder_id(dev,
1502                                                                 ATOM_DEVICE_TV1_SUPPORT,
1503                                                                 2),
1504                                           ATOM_DEVICE_TV1_SUPPORT);
1505                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1506                                             DRM_MODE_CONNECTOR_SVIDEO,
1507                                             &ddc_i2c);
1508                 break;
1509         default:
1510                 DRM_INFO("Connector table: %d (invalid)\n",
1511                          rdev->mode_info.connector_table);
1512                 return false;
1513         }
1514
1515         radeon_link_encoder_connector(dev);
1516
1517         return true;
1518 }
1519
1520 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
1521                                        int bios_index,
1522                                        enum radeon_combios_connector
1523                                        *legacy_connector,
1524                                        struct radeon_i2c_bus_rec *ddc_i2c)
1525 {
1526         struct radeon_device *rdev = dev->dev_private;
1527
1528         /* XPRESS DDC quirks */
1529         if ((rdev->family == CHIP_RS400 ||
1530              rdev->family == CHIP_RS480) &&
1531             ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1532                 *ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
1533         else if ((rdev->family == CHIP_RS400 ||
1534                   rdev->family == CHIP_RS480) &&
1535                  ddc_i2c->mask_clk_reg == RADEON_GPIO_MONID) {
1536                 ddc_i2c->valid = true;
1537                 ddc_i2c->mask_clk_mask = (0x20 << 8);
1538                 ddc_i2c->mask_data_mask = 0x80;
1539                 ddc_i2c->a_clk_mask = (0x20 << 8);
1540                 ddc_i2c->a_data_mask = 0x80;
1541                 ddc_i2c->put_clk_mask = (0x20 << 8);
1542                 ddc_i2c->put_data_mask = 0x80;
1543                 ddc_i2c->get_clk_mask = (0x20 << 8);
1544                 ddc_i2c->get_data_mask = 0x80;
1545                 ddc_i2c->mask_clk_reg = RADEON_GPIOPAD_MASK;
1546                 ddc_i2c->mask_data_reg = RADEON_GPIOPAD_MASK;
1547                 ddc_i2c->a_clk_reg = RADEON_GPIOPAD_A;
1548                 ddc_i2c->a_data_reg = RADEON_GPIOPAD_A;
1549                 ddc_i2c->put_clk_reg = RADEON_GPIOPAD_EN;
1550                 ddc_i2c->put_data_reg = RADEON_GPIOPAD_EN;
1551                 ddc_i2c->get_clk_reg = RADEON_LCD_GPIO_Y_REG;
1552                 ddc_i2c->get_data_reg = RADEON_LCD_GPIO_Y_REG;
1553         }
1554
1555         /* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
1556            one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
1557         if (dev->pdev->device == 0x515e &&
1558             dev->pdev->subsystem_vendor == 0x1014) {
1559                 if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
1560                     ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1561                         return false;
1562         }
1563
1564         /* Some RV100 cards with 2 VGA ports show up with DVI+VGA */
1565         if (dev->pdev->device == 0x5159 &&
1566             dev->pdev->subsystem_vendor == 0x1002 &&
1567             dev->pdev->subsystem_device == 0x013a) {
1568                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1569                         *legacy_connector = CONNECTOR_CRT_LEGACY;
1570
1571         }
1572
1573         /* X300 card with extra non-existent DVI port */
1574         if (dev->pdev->device == 0x5B60 &&
1575             dev->pdev->subsystem_vendor == 0x17af &&
1576             dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
1577                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1578                         return false;
1579         }
1580
1581         return true;
1582 }
1583
1584 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
1585 {
1586         struct radeon_device *rdev = dev->dev_private;
1587         uint32_t conn_info, entry, devices;
1588         uint16_t tmp;
1589         enum radeon_combios_ddc ddc_type;
1590         enum radeon_combios_connector connector;
1591         int i = 0;
1592         struct radeon_i2c_bus_rec ddc_i2c;
1593
1594         if (rdev->bios == NULL)
1595                 return false;
1596
1597         conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
1598         if (conn_info) {
1599                 for (i = 0; i < 4; i++) {
1600                         entry = conn_info + 2 + i * 2;
1601
1602                         if (!RBIOS16(entry))
1603                                 break;
1604
1605                         tmp = RBIOS16(entry);
1606
1607                         connector = (tmp >> 12) & 0xf;
1608
1609                         ddc_type = (tmp >> 8) & 0xf;
1610                         switch (ddc_type) {
1611                         case DDC_MONID:
1612                                 ddc_i2c =
1613                                     combios_setup_i2c_bus(RADEON_GPIO_MONID);
1614                                 break;
1615                         case DDC_DVI:
1616                                 ddc_i2c =
1617                                     combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1618                                 break;
1619                         case DDC_VGA:
1620                                 ddc_i2c =
1621                                     combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
1622                                 break;
1623                         case DDC_CRT2:
1624                                 ddc_i2c =
1625                                     combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
1626                                 break;
1627                         default:
1628                                 break;
1629                         }
1630
1631                         radeon_apply_legacy_quirks(dev, i, &connector,
1632                                                    &ddc_i2c);
1633
1634                         switch (connector) {
1635                         case CONNECTOR_PROPRIETARY_LEGACY:
1636                                 if ((tmp >> 4) & 0x1)
1637                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
1638                                 else
1639                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
1640                                 radeon_add_legacy_encoder(dev,
1641                                                           radeon_get_encoder_id
1642                                                           (dev, devices, 0),
1643                                                           devices);
1644                                 radeon_add_legacy_connector(dev, i, devices,
1645                                                             legacy_connector_convert
1646                                                             [connector],
1647                                                             &ddc_i2c);
1648                                 break;
1649                         case CONNECTOR_CRT_LEGACY:
1650                                 if (tmp & 0x1) {
1651                                         devices = ATOM_DEVICE_CRT2_SUPPORT;
1652                                         radeon_add_legacy_encoder(dev,
1653                                                                   radeon_get_encoder_id
1654                                                                   (dev,
1655                                                                    ATOM_DEVICE_CRT2_SUPPORT,
1656                                                                    2),
1657                                                                   ATOM_DEVICE_CRT2_SUPPORT);
1658                                 } else {
1659                                         devices = ATOM_DEVICE_CRT1_SUPPORT;
1660                                         radeon_add_legacy_encoder(dev,
1661                                                                   radeon_get_encoder_id
1662                                                                   (dev,
1663                                                                    ATOM_DEVICE_CRT1_SUPPORT,
1664                                                                    1),
1665                                                                   ATOM_DEVICE_CRT1_SUPPORT);
1666                                 }
1667                                 radeon_add_legacy_connector(dev,
1668                                                             i,
1669                                                             devices,
1670                                                             legacy_connector_convert
1671                                                             [connector],
1672                                                             &ddc_i2c);
1673                                 break;
1674                         case CONNECTOR_DVI_I_LEGACY:
1675                                 devices = 0;
1676                                 if (tmp & 0x1) {
1677                                         devices |= ATOM_DEVICE_CRT2_SUPPORT;
1678                                         radeon_add_legacy_encoder(dev,
1679                                                                   radeon_get_encoder_id
1680                                                                   (dev,
1681                                                                    ATOM_DEVICE_CRT2_SUPPORT,
1682                                                                    2),
1683                                                                   ATOM_DEVICE_CRT2_SUPPORT);
1684                                 } else {
1685                                         devices |= ATOM_DEVICE_CRT1_SUPPORT;
1686                                         radeon_add_legacy_encoder(dev,
1687                                                                   radeon_get_encoder_id
1688                                                                   (dev,
1689                                                                    ATOM_DEVICE_CRT1_SUPPORT,
1690                                                                    1),
1691                                                                   ATOM_DEVICE_CRT1_SUPPORT);
1692                                 }
1693                                 if ((tmp >> 4) & 0x1) {
1694                                         devices |= ATOM_DEVICE_DFP2_SUPPORT;
1695                                         radeon_add_legacy_encoder(dev,
1696                                                                   radeon_get_encoder_id
1697                                                                   (dev,
1698                                                                    ATOM_DEVICE_DFP2_SUPPORT,
1699                                                                    0),
1700                                                                   ATOM_DEVICE_DFP2_SUPPORT);
1701                                 } else {
1702                                         devices |= ATOM_DEVICE_DFP1_SUPPORT;
1703                                         radeon_add_legacy_encoder(dev,
1704                                                                   radeon_get_encoder_id
1705                                                                   (dev,
1706                                                                    ATOM_DEVICE_DFP1_SUPPORT,
1707                                                                    0),
1708                                                                   ATOM_DEVICE_DFP1_SUPPORT);
1709                                 }
1710                                 radeon_add_legacy_connector(dev,
1711                                                             i,
1712                                                             devices,
1713                                                             legacy_connector_convert
1714                                                             [connector],
1715                                                             &ddc_i2c);
1716                                 break;
1717                         case CONNECTOR_DVI_D_LEGACY:
1718                                 if ((tmp >> 4) & 0x1)
1719                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
1720                                 else
1721                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
1722                                 radeon_add_legacy_encoder(dev,
1723                                                           radeon_get_encoder_id
1724                                                           (dev, devices, 0),
1725                                                           devices);
1726                                 radeon_add_legacy_connector(dev, i, devices,
1727                                                             legacy_connector_convert
1728                                                             [connector],
1729                                                             &ddc_i2c);
1730                                 break;
1731                         case CONNECTOR_CTV_LEGACY:
1732                         case CONNECTOR_STV_LEGACY:
1733                                 radeon_add_legacy_encoder(dev,
1734                                                           radeon_get_encoder_id
1735                                                           (dev,
1736                                                            ATOM_DEVICE_TV1_SUPPORT,
1737                                                            2),
1738                                                           ATOM_DEVICE_TV1_SUPPORT);
1739                                 radeon_add_legacy_connector(dev, i,
1740                                                             ATOM_DEVICE_TV1_SUPPORT,
1741                                                             legacy_connector_convert
1742                                                             [connector],
1743                                                             &ddc_i2c);
1744                                 break;
1745                         default:
1746                                 DRM_ERROR("Unknown connector type: %d\n",
1747                                           connector);
1748                                 continue;
1749                         }
1750
1751                 }
1752         } else {
1753                 uint16_t tmds_info =
1754                     combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1755                 if (tmds_info) {
1756                         DRM_DEBUG("Found DFP table, assuming DVI connector\n");
1757
1758                         radeon_add_legacy_encoder(dev,
1759                                                   radeon_get_encoder_id(dev,
1760                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1761                                                                         1),
1762                                                   ATOM_DEVICE_CRT1_SUPPORT);
1763                         radeon_add_legacy_encoder(dev,
1764                                                   radeon_get_encoder_id(dev,
1765                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1766                                                                         0),
1767                                                   ATOM_DEVICE_DFP1_SUPPORT);
1768
1769                         ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
1770                         radeon_add_legacy_connector(dev,
1771                                                     0,
1772                                                     ATOM_DEVICE_CRT1_SUPPORT |
1773                                                     ATOM_DEVICE_DFP1_SUPPORT,
1774                                                     DRM_MODE_CONNECTOR_DVII,
1775                                                     &ddc_i2c);
1776                 } else {
1777                         DRM_DEBUG("No connector info found\n");
1778                         return false;
1779                 }
1780         }
1781
1782         if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
1783                 uint16_t lcd_info =
1784                     combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1785                 if (lcd_info) {
1786                         uint16_t lcd_ddc_info =
1787                             combios_get_table_offset(dev,
1788                                                      COMBIOS_LCD_DDC_INFO_TABLE);
1789
1790                         radeon_add_legacy_encoder(dev,
1791                                                   radeon_get_encoder_id(dev,
1792                                                                         ATOM_DEVICE_LCD1_SUPPORT,
1793                                                                         0),
1794                                                   ATOM_DEVICE_LCD1_SUPPORT);
1795
1796                         if (lcd_ddc_info) {
1797                                 ddc_type = RBIOS8(lcd_ddc_info + 2);
1798                                 switch (ddc_type) {
1799                                 case DDC_MONID:
1800                                         ddc_i2c =
1801                                             combios_setup_i2c_bus
1802                                             (RADEON_GPIO_MONID);
1803                                         break;
1804                                 case DDC_DVI:
1805                                         ddc_i2c =
1806                                             combios_setup_i2c_bus
1807                                             (RADEON_GPIO_DVI_DDC);
1808                                         break;
1809                                 case DDC_VGA:
1810                                         ddc_i2c =
1811                                             combios_setup_i2c_bus
1812                                             (RADEON_GPIO_VGA_DDC);
1813                                         break;
1814                                 case DDC_CRT2:
1815                                         ddc_i2c =
1816                                             combios_setup_i2c_bus
1817                                             (RADEON_GPIO_CRT2_DDC);
1818                                         break;
1819                                 case DDC_LCD:
1820                                         ddc_i2c =
1821                                             combios_setup_i2c_bus
1822                                             (RADEON_LCD_GPIO_MASK);
1823                                         ddc_i2c.mask_clk_mask =
1824                                             RBIOS32(lcd_ddc_info + 3);
1825                                         ddc_i2c.mask_data_mask =
1826                                             RBIOS32(lcd_ddc_info + 7);
1827                                         ddc_i2c.a_clk_mask =
1828                                             RBIOS32(lcd_ddc_info + 3);
1829                                         ddc_i2c.a_data_mask =
1830                                             RBIOS32(lcd_ddc_info + 7);
1831                                         ddc_i2c.put_clk_mask =
1832                                             RBIOS32(lcd_ddc_info + 3);
1833                                         ddc_i2c.put_data_mask =
1834                                             RBIOS32(lcd_ddc_info + 7);
1835                                         ddc_i2c.get_clk_mask =
1836                                             RBIOS32(lcd_ddc_info + 3);
1837                                         ddc_i2c.get_data_mask =
1838                                             RBIOS32(lcd_ddc_info + 7);
1839                                         break;
1840                                 case DDC_GPIO:
1841                                         ddc_i2c =
1842                                             combios_setup_i2c_bus
1843                                             (RADEON_MDGPIO_EN_REG);
1844                                         ddc_i2c.mask_clk_mask =
1845                                             RBIOS32(lcd_ddc_info + 3);
1846                                         ddc_i2c.mask_data_mask =
1847                                             RBIOS32(lcd_ddc_info + 7);
1848                                         ddc_i2c.a_clk_mask =
1849                                             RBIOS32(lcd_ddc_info + 3);
1850                                         ddc_i2c.a_data_mask =
1851                                             RBIOS32(lcd_ddc_info + 7);
1852                                         ddc_i2c.put_clk_mask =
1853                                             RBIOS32(lcd_ddc_info + 3);
1854                                         ddc_i2c.put_data_mask =
1855                                             RBIOS32(lcd_ddc_info + 7);
1856                                         ddc_i2c.get_clk_mask =
1857                                             RBIOS32(lcd_ddc_info + 3);
1858                                         ddc_i2c.get_data_mask =
1859                                             RBIOS32(lcd_ddc_info + 7);
1860                                         break;
1861                                 default:
1862                                         ddc_i2c.valid = false;
1863                                         break;
1864                                 }
1865                                 DRM_DEBUG("LCD DDC Info Table found!\n");
1866                         } else
1867                                 ddc_i2c.valid = false;
1868
1869                         radeon_add_legacy_connector(dev,
1870                                                     5,
1871                                                     ATOM_DEVICE_LCD1_SUPPORT,
1872                                                     DRM_MODE_CONNECTOR_LVDS,
1873                                                     &ddc_i2c);
1874                 }
1875         }
1876
1877         /* check TV table */
1878         if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1879                 uint32_t tv_info =
1880                     combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1881                 if (tv_info) {
1882                         if (RBIOS8(tv_info + 6) == 'T') {
1883                                 radeon_add_legacy_encoder(dev,
1884                                                           radeon_get_encoder_id
1885                                                           (dev,
1886                                                            ATOM_DEVICE_TV1_SUPPORT,
1887                                                            2),
1888                                                           ATOM_DEVICE_TV1_SUPPORT);
1889                                 radeon_add_legacy_connector(dev, 6,
1890                                                             ATOM_DEVICE_TV1_SUPPORT,
1891                                                             DRM_MODE_CONNECTOR_SVIDEO,
1892                                                             &ddc_i2c);
1893                         }
1894                 }
1895         }
1896
1897         radeon_link_encoder_connector(dev);
1898
1899         return true;
1900 }
1901
1902 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
1903 {
1904         struct radeon_device *rdev = dev->dev_private;
1905
1906         if (offset) {
1907                 while (RBIOS16(offset)) {
1908                         uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
1909                         uint32_t addr = (RBIOS16(offset) & 0x1fff);
1910                         uint32_t val, and_mask, or_mask;
1911                         uint32_t tmp;
1912
1913                         offset += 2;
1914                         switch (cmd) {
1915                         case 0:
1916                                 val = RBIOS32(offset);
1917                                 offset += 4;
1918                                 WREG32(addr, val);
1919                                 break;
1920                         case 1:
1921                                 val = RBIOS32(offset);
1922                                 offset += 4;
1923                                 WREG32(addr, val);
1924                                 break;
1925                         case 2:
1926                                 and_mask = RBIOS32(offset);
1927                                 offset += 4;
1928                                 or_mask = RBIOS32(offset);
1929                                 offset += 4;
1930                                 tmp = RREG32(addr);
1931                                 tmp &= and_mask;
1932                                 tmp |= or_mask;
1933                                 WREG32(addr, tmp);
1934                                 break;
1935                         case 3:
1936                                 and_mask = RBIOS32(offset);
1937                                 offset += 4;
1938                                 or_mask = RBIOS32(offset);
1939                                 offset += 4;
1940                                 tmp = RREG32(addr);
1941                                 tmp &= and_mask;
1942                                 tmp |= or_mask;
1943                                 WREG32(addr, tmp);
1944                                 break;
1945                         case 4:
1946                                 val = RBIOS16(offset);
1947                                 offset += 2;
1948                                 udelay(val);
1949                                 break;
1950                         case 5:
1951                                 val = RBIOS16(offset);
1952                                 offset += 2;
1953                                 switch (addr) {
1954                                 case 8:
1955                                         while (val--) {
1956                                                 if (!
1957                                                     (RREG32_PLL
1958                                                      (RADEON_CLK_PWRMGT_CNTL) &
1959                                                      RADEON_MC_BUSY))
1960                                                         break;
1961                                         }
1962                                         break;
1963                                 case 9:
1964                                         while (val--) {
1965                                                 if ((RREG32(RADEON_MC_STATUS) &
1966                                                      RADEON_MC_IDLE))
1967                                                         break;
1968                                         }
1969                                         break;
1970                                 default:
1971                                         break;
1972                                 }
1973                                 break;
1974                         default:
1975                                 break;
1976                         }
1977                 }
1978         }
1979 }
1980
1981 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
1982 {
1983         struct radeon_device *rdev = dev->dev_private;
1984
1985         if (offset) {
1986                 while (RBIOS8(offset)) {
1987                         uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
1988                         uint8_t addr = (RBIOS8(offset) & 0x3f);
1989                         uint32_t val, shift, tmp;
1990                         uint32_t and_mask, or_mask;
1991
1992                         offset++;
1993                         switch (cmd) {
1994                         case 0:
1995                                 val = RBIOS32(offset);
1996                                 offset += 4;
1997                                 WREG32_PLL(addr, val);
1998                                 break;
1999                         case 1:
2000                                 shift = RBIOS8(offset) * 8;
2001                                 offset++;
2002                                 and_mask = RBIOS8(offset) << shift;
2003                                 and_mask |= ~(0xff << shift);
2004                                 offset++;
2005                                 or_mask = RBIOS8(offset) << shift;
2006                                 offset++;
2007                                 tmp = RREG32_PLL(addr);
2008                                 tmp &= and_mask;
2009                                 tmp |= or_mask;
2010                                 WREG32_PLL(addr, tmp);
2011                                 break;
2012                         case 2:
2013                         case 3:
2014                                 tmp = 1000;
2015                                 switch (addr) {
2016                                 case 1:
2017                                         udelay(150);
2018                                         break;
2019                                 case 2:
2020                                         udelay(1000);
2021                                         break;
2022                                 case 3:
2023                                         while (tmp--) {
2024                                                 if (!
2025                                                     (RREG32_PLL
2026                                                      (RADEON_CLK_PWRMGT_CNTL) &
2027                                                      RADEON_MC_BUSY))
2028                                                         break;
2029                                         }
2030                                         break;
2031                                 case 4:
2032                                         while (tmp--) {
2033                                                 if (RREG32_PLL
2034                                                     (RADEON_CLK_PWRMGT_CNTL) &
2035                                                     RADEON_DLL_READY)
2036                                                         break;
2037                                         }
2038                                         break;
2039                                 case 5:
2040                                         tmp =
2041                                             RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2042                                         if (tmp & RADEON_CG_NO1_DEBUG_0) {
2043 #if 0
2044                                                 uint32_t mclk_cntl =
2045                                                     RREG32_PLL
2046                                                     (RADEON_MCLK_CNTL);
2047                                                 mclk_cntl &= 0xffff0000;
2048                                                 /*mclk_cntl |= 0x00001111;*//* ??? */
2049                                                 WREG32_PLL(RADEON_MCLK_CNTL,
2050                                                            mclk_cntl);
2051                                                 udelay(10000);
2052 #endif
2053                                                 WREG32_PLL
2054                                                     (RADEON_CLK_PWRMGT_CNTL,
2055                                                      tmp &
2056                                                      ~RADEON_CG_NO1_DEBUG_0);
2057                                                 udelay(10000);
2058                                         }
2059                                         break;
2060                                 default:
2061                                         break;
2062                                 }
2063                                 break;
2064                         default:
2065                                 break;
2066                         }
2067                 }
2068         }
2069 }
2070
2071 static void combios_parse_ram_reset_table(struct drm_device *dev,
2072                                           uint16_t offset)
2073 {
2074         struct radeon_device *rdev = dev->dev_private;
2075         uint32_t tmp;
2076
2077         if (offset) {
2078                 uint8_t val = RBIOS8(offset);
2079                 while (val != 0xff) {
2080                         offset++;
2081
2082                         if (val == 0x0f) {
2083                                 uint32_t channel_complete_mask;
2084
2085                                 if (ASIC_IS_R300(rdev))
2086                                         channel_complete_mask =
2087                                             R300_MEM_PWRUP_COMPLETE;
2088                                 else
2089                                         channel_complete_mask =
2090                                             RADEON_MEM_PWRUP_COMPLETE;
2091                                 tmp = 20000;
2092                                 while (tmp--) {
2093                                         if ((RREG32(RADEON_MEM_STR_CNTL) &
2094                                              channel_complete_mask) ==
2095                                             channel_complete_mask)
2096                                                 break;
2097                                 }
2098                         } else {
2099                                 uint32_t or_mask = RBIOS16(offset);
2100                                 offset += 2;
2101
2102                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2103                                 tmp &= RADEON_SDRAM_MODE_MASK;
2104                                 tmp |= or_mask;
2105                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2106
2107                                 or_mask = val << 24;
2108                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2109                                 tmp &= RADEON_B3MEM_RESET_MASK;
2110                                 tmp |= or_mask;
2111                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2112                         }
2113                         val = RBIOS8(offset);
2114                 }
2115         }
2116 }
2117
2118 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2119                                    int mem_addr_mapping)
2120 {
2121         struct radeon_device *rdev = dev->dev_private;
2122         uint32_t mem_cntl;
2123         uint32_t mem_size;
2124         uint32_t addr = 0;
2125
2126         mem_cntl = RREG32(RADEON_MEM_CNTL);
2127         if (mem_cntl & RV100_HALF_MODE)
2128                 ram /= 2;
2129         mem_size = ram;
2130         mem_cntl &= ~(0xff << 8);
2131         mem_cntl |= (mem_addr_mapping & 0xff) << 8;
2132         WREG32(RADEON_MEM_CNTL, mem_cntl);
2133         RREG32(RADEON_MEM_CNTL);
2134
2135         /* sdram reset ? */
2136
2137         /* something like this????  */
2138         while (ram--) {
2139                 addr = ram * 1024 * 1024;
2140                 /* write to each page */
2141                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2142                 WREG32(RADEON_MM_DATA, 0xdeadbeef);
2143                 /* read back and verify */
2144                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2145                 if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
2146                         return 0;
2147         }
2148
2149         return mem_size;
2150 }
2151
2152 static void combios_write_ram_size(struct drm_device *dev)
2153 {
2154         struct radeon_device *rdev = dev->dev_private;
2155         uint8_t rev;
2156         uint16_t offset;
2157         uint32_t mem_size = 0;
2158         uint32_t mem_cntl = 0;
2159
2160         /* should do something smarter here I guess... */
2161         if (rdev->flags & RADEON_IS_IGP)
2162                 return;
2163
2164         /* first check detected mem table */
2165         offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
2166         if (offset) {
2167                 rev = RBIOS8(offset);
2168                 if (rev < 3) {
2169                         mem_cntl = RBIOS32(offset + 1);
2170                         mem_size = RBIOS16(offset + 5);
2171                         if (((rdev->flags & RADEON_FAMILY_MASK) < CHIP_R200) &&
2172                             ((dev->pdev->device != 0x515e)
2173                              && (dev->pdev->device != 0x5969)))
2174                                 WREG32(RADEON_MEM_CNTL, mem_cntl);
2175                 }
2176         }
2177
2178         if (!mem_size) {
2179                 offset =
2180                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
2181                 if (offset) {
2182                         rev = RBIOS8(offset - 1);
2183                         if (rev < 1) {
2184                                 if (((rdev->flags & RADEON_FAMILY_MASK) <
2185                                      CHIP_R200)
2186                                     && ((dev->pdev->device != 0x515e)
2187                                         && (dev->pdev->device != 0x5969))) {
2188                                         int ram = 0;
2189                                         int mem_addr_mapping = 0;
2190
2191                                         while (RBIOS8(offset)) {
2192                                                 ram = RBIOS8(offset);
2193                                                 mem_addr_mapping =
2194                                                     RBIOS8(offset + 1);
2195                                                 if (mem_addr_mapping != 0x25)
2196                                                         ram *= 2;
2197                                                 mem_size =
2198                                                     combios_detect_ram(dev, ram,
2199                                                                        mem_addr_mapping);
2200                                                 if (mem_size)
2201                                                         break;
2202                                                 offset += 2;
2203                                         }
2204                                 } else
2205                                         mem_size = RBIOS8(offset);
2206                         } else {
2207                                 mem_size = RBIOS8(offset);
2208                                 mem_size *= 2;  /* convert to MB */
2209                         }
2210                 }
2211         }
2212
2213         mem_size *= (1024 * 1024);      /* convert to bytes */
2214         WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
2215 }
2216
2217 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
2218 {
2219         uint16_t dyn_clk_info =
2220             combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2221
2222         if (dyn_clk_info)
2223                 combios_parse_pll_table(dev, dyn_clk_info);
2224 }
2225
2226 void radeon_combios_asic_init(struct drm_device *dev)
2227 {
2228         struct radeon_device *rdev = dev->dev_private;
2229         uint16_t table;
2230
2231         /* port hardcoded mac stuff from radeonfb */
2232         if (rdev->bios == NULL)
2233                 return;
2234
2235         /* ASIC INIT 1 */
2236         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
2237         if (table)
2238                 combios_parse_mmio_table(dev, table);
2239
2240         /* PLL INIT */
2241         table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
2242         if (table)
2243                 combios_parse_pll_table(dev, table);
2244
2245         /* ASIC INIT 2 */
2246         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
2247         if (table)
2248                 combios_parse_mmio_table(dev, table);
2249
2250         if (!(rdev->flags & RADEON_IS_IGP)) {
2251                 /* ASIC INIT 4 */
2252                 table =
2253                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
2254                 if (table)
2255                         combios_parse_mmio_table(dev, table);
2256
2257                 /* RAM RESET */
2258                 table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
2259                 if (table)
2260                         combios_parse_ram_reset_table(dev, table);
2261
2262                 /* ASIC INIT 3 */
2263                 table =
2264                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
2265                 if (table)
2266                         combios_parse_mmio_table(dev, table);
2267
2268                 /* write CONFIG_MEMSIZE */
2269                 combios_write_ram_size(dev);
2270         }
2271
2272         /* DYN CLK 1 */
2273         table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2274         if (table)
2275                 combios_parse_pll_table(dev, table);
2276
2277 }
2278
2279 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
2280 {
2281         struct radeon_device *rdev = dev->dev_private;
2282         uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
2283
2284         bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
2285         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2286         bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
2287
2288         /* let the bios control the backlight */
2289         bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
2290
2291         /* tell the bios not to handle mode switching */
2292         bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
2293                            RADEON_ACC_MODE_CHANGE);
2294
2295         /* tell the bios a driver is loaded */
2296         bios_7_scratch |= RADEON_DRV_LOADED;
2297
2298         WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
2299         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2300         WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
2301 }
2302
2303 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
2304 {
2305         struct drm_device *dev = encoder->dev;
2306         struct radeon_device *rdev = dev->dev_private;
2307         uint32_t bios_6_scratch;
2308
2309         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2310
2311         if (lock)
2312                 bios_6_scratch |= RADEON_DRIVER_CRITICAL;
2313         else
2314                 bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
2315
2316         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2317 }
2318
2319 void
2320 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
2321                                       struct drm_encoder *encoder,
2322                                       bool connected)
2323 {
2324         struct drm_device *dev = connector->dev;
2325         struct radeon_device *rdev = dev->dev_private;
2326         struct radeon_connector *radeon_connector =
2327             to_radeon_connector(connector);
2328         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2329         uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
2330         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2331
2332         if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
2333             (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
2334                 if (connected) {
2335                         DRM_DEBUG("TV1 connected\n");
2336                         /* fix me */
2337                         bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
2338                         /*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
2339                         bios_5_scratch |= RADEON_TV1_ON;
2340                         bios_5_scratch |= RADEON_ACC_REQ_TV1;
2341                 } else {
2342                         DRM_DEBUG("TV1 disconnected\n");
2343                         bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
2344                         bios_5_scratch &= ~RADEON_TV1_ON;
2345                         bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
2346                 }
2347         }
2348         if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
2349             (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
2350                 if (connected) {
2351                         DRM_DEBUG("LCD1 connected\n");
2352                         bios_4_scratch |= RADEON_LCD1_ATTACHED;
2353                         bios_5_scratch |= RADEON_LCD1_ON;
2354                         bios_5_scratch |= RADEON_ACC_REQ_LCD1;
2355                 } else {
2356                         DRM_DEBUG("LCD1 disconnected\n");
2357                         bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
2358                         bios_5_scratch &= ~RADEON_LCD1_ON;
2359                         bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
2360                 }
2361         }
2362         if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
2363             (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
2364                 if (connected) {
2365                         DRM_DEBUG("CRT1 connected\n");
2366                         bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
2367                         bios_5_scratch |= RADEON_CRT1_ON;
2368                         bios_5_scratch |= RADEON_ACC_REQ_CRT1;
2369                 } else {
2370                         DRM_DEBUG("CRT1 disconnected\n");
2371                         bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
2372                         bios_5_scratch &= ~RADEON_CRT1_ON;
2373                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
2374                 }
2375         }
2376         if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
2377             (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
2378                 if (connected) {
2379                         DRM_DEBUG("CRT2 connected\n");
2380                         bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
2381                         bios_5_scratch |= RADEON_CRT2_ON;
2382                         bios_5_scratch |= RADEON_ACC_REQ_CRT2;
2383                 } else {
2384                         DRM_DEBUG("CRT2 disconnected\n");
2385                         bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
2386                         bios_5_scratch &= ~RADEON_CRT2_ON;
2387                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
2388                 }
2389         }
2390         if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
2391             (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
2392                 if (connected) {
2393                         DRM_DEBUG("DFP1 connected\n");
2394                         bios_4_scratch |= RADEON_DFP1_ATTACHED;
2395                         bios_5_scratch |= RADEON_DFP1_ON;
2396                         bios_5_scratch |= RADEON_ACC_REQ_DFP1;
2397                 } else {
2398                         DRM_DEBUG("DFP1 disconnected\n");
2399                         bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
2400                         bios_5_scratch &= ~RADEON_DFP1_ON;
2401                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
2402                 }
2403         }
2404         if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
2405             (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
2406                 if (connected) {
2407                         DRM_DEBUG("DFP2 connected\n");
2408                         bios_4_scratch |= RADEON_DFP2_ATTACHED;
2409                         bios_5_scratch |= RADEON_DFP2_ON;
2410                         bios_5_scratch |= RADEON_ACC_REQ_DFP2;
2411                 } else {
2412                         DRM_DEBUG("DFP2 disconnected\n");
2413                         bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
2414                         bios_5_scratch &= ~RADEON_DFP2_ON;
2415                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
2416                 }
2417         }
2418         WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
2419         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2420 }
2421
2422 void
2423 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
2424 {
2425         struct drm_device *dev = encoder->dev;
2426         struct radeon_device *rdev = dev->dev_private;
2427         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2428         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
2429
2430         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
2431                 bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
2432                 bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
2433         }
2434         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
2435                 bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
2436                 bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
2437         }
2438         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
2439                 bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
2440                 bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
2441         }
2442         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
2443                 bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
2444                 bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
2445         }
2446         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
2447                 bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
2448                 bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
2449         }
2450         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
2451                 bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
2452                 bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
2453         }
2454         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
2455 }
2456
2457 void
2458 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
2459 {
2460         struct drm_device *dev = encoder->dev;
2461         struct radeon_device *rdev = dev->dev_private;
2462         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2463         uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
2464
2465         if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
2466                 if (on)
2467                         bios_6_scratch |= RADEON_TV_DPMS_ON;
2468                 else
2469                         bios_6_scratch &= ~RADEON_TV_DPMS_ON;
2470         }
2471         if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
2472                 if (on)
2473                         bios_6_scratch |= RADEON_CRT_DPMS_ON;
2474                 else
2475                         bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
2476         }
2477         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
2478                 if (on)
2479                         bios_6_scratch |= RADEON_LCD_DPMS_ON;
2480                 else
2481                         bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
2482         }
2483         if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
2484                 if (on)
2485                         bios_6_scratch |= RADEON_DFP_DPMS_ON;
2486                 else
2487                         bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
2488         }
2489         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
2490 }