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_enum(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                             uint16_t connector_object_id,
  54                             struct radeon_hpd *hpd);
  55
  56 /* from radeon_legacy_encoder.c */
  57 extern void
  58 radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_enum,
  59                           uint32_t supported_device);
  60
  61 /* old legacy ATI BIOS routines */
  62
  63 /* COMBIOS table offsets */
  64 enum radeon_combios_table_offset {
  65         /* absolute offset tables */
  66         COMBIOS_ASIC_INIT_1_TABLE,
  67         COMBIOS_BIOS_SUPPORT_TABLE,
  68         COMBIOS_DAC_PROGRAMMING_TABLE,
  69         COMBIOS_MAX_COLOR_DEPTH_TABLE,
  70         COMBIOS_CRTC_INFO_TABLE,
  71         COMBIOS_PLL_INFO_TABLE,
  72         COMBIOS_TV_INFO_TABLE,
  73         COMBIOS_DFP_INFO_TABLE,
  74         COMBIOS_HW_CONFIG_INFO_TABLE,
  75         COMBIOS_MULTIMEDIA_INFO_TABLE,
  76         COMBIOS_TV_STD_PATCH_TABLE,
  77         COMBIOS_LCD_INFO_TABLE,
  78         COMBIOS_MOBILE_INFO_TABLE,
  79         COMBIOS_PLL_INIT_TABLE,
  80         COMBIOS_MEM_CONFIG_TABLE,
  81         COMBIOS_SAVE_MASK_TABLE,
  82         COMBIOS_HARDCODED_EDID_TABLE,
  83         COMBIOS_ASIC_INIT_2_TABLE,
  84         COMBIOS_CONNECTOR_INFO_TABLE,
  85         COMBIOS_DYN_CLK_1_TABLE,
  86         COMBIOS_RESERVED_MEM_TABLE,
  87         COMBIOS_EXT_TMDS_INFO_TABLE,
  88         COMBIOS_MEM_CLK_INFO_TABLE,
  89         COMBIOS_EXT_DAC_INFO_TABLE,
  90         COMBIOS_MISC_INFO_TABLE,
  91         COMBIOS_CRT_INFO_TABLE,
  92         COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
  93         COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
  94         COMBIOS_FAN_SPEED_INFO_TABLE,
  95         COMBIOS_OVERDRIVE_INFO_TABLE,
  96         COMBIOS_OEM_INFO_TABLE,
  97         COMBIOS_DYN_CLK_2_TABLE,
  98         COMBIOS_POWER_CONNECTOR_INFO_TABLE,
  99         COMBIOS_I2C_INFO_TABLE,
 100         /* relative offset tables */
 101         COMBIOS_ASIC_INIT_3_TABLE,      /* offset from misc info */
 102         COMBIOS_ASIC_INIT_4_TABLE,      /* offset from misc info */
 103         COMBIOS_DETECTED_MEM_TABLE,     /* offset from misc info */
 104         COMBIOS_ASIC_INIT_5_TABLE,      /* offset from misc info */
 105         COMBIOS_RAM_RESET_TABLE,        /* offset from mem config */
 106         COMBIOS_POWERPLAY_INFO_TABLE,   /* offset from mobile info */
 107         COMBIOS_GPIO_INFO_TABLE,        /* offset from mobile info */
 108         COMBIOS_LCD_DDC_INFO_TABLE,     /* offset from mobile info */
 109         COMBIOS_TMDS_POWER_TABLE,       /* offset from mobile info */
 110         COMBIOS_TMDS_POWER_ON_TABLE,    /* offset from tmds power */
 111         COMBIOS_TMDS_POWER_OFF_TABLE,   /* offset from tmds power */
 112 };
 113
 114 enum radeon_combios_ddc {
 115         DDC_NONE_DETECTED,
 116         DDC_MONID,
 117         DDC_DVI,
 118         DDC_VGA,
 119         DDC_CRT2,
 120         DDC_LCD,
 121         DDC_GPIO,
 122 };
 123
 124 enum radeon_combios_connector {
 125         CONNECTOR_NONE_LEGACY,
 126         CONNECTOR_PROPRIETARY_LEGACY,
 127         CONNECTOR_CRT_LEGACY,
 128         CONNECTOR_DVI_I_LEGACY,
 129         CONNECTOR_DVI_D_LEGACY,
 130         CONNECTOR_CTV_LEGACY,
 131         CONNECTOR_STV_LEGACY,
 132         CONNECTOR_UNSUPPORTED_LEGACY
 133 };
 134
 135 const int legacy_connector_convert[] = {
 136         DRM_MODE_CONNECTOR_Unknown,
 137         DRM_MODE_CONNECTOR_DVID,
 138         DRM_MODE_CONNECTOR_VGA,
 139         DRM_MODE_CONNECTOR_DVII,
 140         DRM_MODE_CONNECTOR_DVID,
 141         DRM_MODE_CONNECTOR_Composite,
 142         DRM_MODE_CONNECTOR_SVIDEO,
 143         DRM_MODE_CONNECTOR_Unknown,
 144 };
 145
 146 static uint16_t combios_get_table_offset(struct drm_device *dev,
 147                                          enum radeon_combios_table_offset table)
 148 {
 149         struct radeon_device *rdev = dev->dev_private;
 150         int rev;
 151         uint16_t offset = 0, check_offset;
 152
 153         if (!rdev->bios)
 154                 return 0;
 155
 156         switch (table) {
 157                 /* absolute offset tables */
 158         case COMBIOS_ASIC_INIT_1_TABLE:
 159                 check_offset = RBIOS16(rdev->bios_header_start + 0xc);
 160                 if (check_offset)
 161                         offset = check_offset;
 162                 break;
 163         case COMBIOS_BIOS_SUPPORT_TABLE:
 164                 check_offset = RBIOS16(rdev->bios_header_start + 0x14);
 165                 if (check_offset)
 166                         offset = check_offset;
 167                 break;
 168         case COMBIOS_DAC_PROGRAMMING_TABLE:
 169                 check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
 170                 if (check_offset)
 171                         offset = check_offset;
 172                 break;
 173         case COMBIOS_MAX_COLOR_DEPTH_TABLE:
 174                 check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
 175                 if (check_offset)
 176                         offset = check_offset;
 177                 break;
 178         case COMBIOS_CRTC_INFO_TABLE:
 179                 check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
 180                 if (check_offset)
 181                         offset = check_offset;
 182                 break;
 183         case COMBIOS_PLL_INFO_TABLE:
 184                 check_offset = RBIOS16(rdev->bios_header_start + 0x30);
 185                 if (check_offset)
 186                         offset = check_offset;
 187                 break;
 188         case COMBIOS_TV_INFO_TABLE:
 189                 check_offset = RBIOS16(rdev->bios_header_start + 0x32);
 190                 if (check_offset)
 191                         offset = check_offset;
 192                 break;
 193         case COMBIOS_DFP_INFO_TABLE:
 194                 check_offset = RBIOS16(rdev->bios_header_start + 0x34);
 195                 if (check_offset)
 196                         offset = check_offset;
 197                 break;
 198         case COMBIOS_HW_CONFIG_INFO_TABLE:
 199                 check_offset = RBIOS16(rdev->bios_header_start + 0x36);
 200                 if (check_offset)
 201                         offset = check_offset;
 202                 break;
 203         case COMBIOS_MULTIMEDIA_INFO_TABLE:
 204                 check_offset = RBIOS16(rdev->bios_header_start + 0x38);
 205                 if (check_offset)
 206                         offset = check_offset;
 207                 break;
 208         case COMBIOS_TV_STD_PATCH_TABLE:
 209                 check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
 210                 if (check_offset)
 211                         offset = check_offset;
 212                 break;
 213         case COMBIOS_LCD_INFO_TABLE:
 214                 check_offset = RBIOS16(rdev->bios_header_start + 0x40);
 215                 if (check_offset)
 216                         offset = check_offset;
 217                 break;
 218         case COMBIOS_MOBILE_INFO_TABLE:
 219                 check_offset = RBIOS16(rdev->bios_header_start + 0x42);
 220                 if (check_offset)
 221                         offset = check_offset;
 222                 break;
 223         case COMBIOS_PLL_INIT_TABLE:
 224                 check_offset = RBIOS16(rdev->bios_header_start + 0x46);
 225                 if (check_offset)
 226                         offset = check_offset;
 227                 break;
 228         case COMBIOS_MEM_CONFIG_TABLE:
 229                 check_offset = RBIOS16(rdev->bios_header_start + 0x48);
 230                 if (check_offset)
 231                         offset = check_offset;
 232                 break;
 233         case COMBIOS_SAVE_MASK_TABLE:
 234                 check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
 235                 if (check_offset)
 236                         offset = check_offset;
 237                 break;
 238         case COMBIOS_HARDCODED_EDID_TABLE:
 239                 check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
 240                 if (check_offset)
 241                         offset = check_offset;
 242                 break;
 243         case COMBIOS_ASIC_INIT_2_TABLE:
 244                 check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
 245                 if (check_offset)
 246                         offset = check_offset;
 247                 break;
 248         case COMBIOS_CONNECTOR_INFO_TABLE:
 249                 check_offset = RBIOS16(rdev->bios_header_start + 0x50);
 250                 if (check_offset)
 251                         offset = check_offset;
 252                 break;
 253         case COMBIOS_DYN_CLK_1_TABLE:
 254                 check_offset = RBIOS16(rdev->bios_header_start + 0x52);
 255                 if (check_offset)
 256                         offset = check_offset;
 257                 break;
 258         case COMBIOS_RESERVED_MEM_TABLE:
 259                 check_offset = RBIOS16(rdev->bios_header_start + 0x54);
 260                 if (check_offset)
 261                         offset = check_offset;
 262                 break;
 263         case COMBIOS_EXT_TMDS_INFO_TABLE:
 264                 check_offset = RBIOS16(rdev->bios_header_start + 0x58);
 265                 if (check_offset)
 266                         offset = check_offset;
 267                 break;
 268         case COMBIOS_MEM_CLK_INFO_TABLE:
 269                 check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
 270                 if (check_offset)
 271                         offset = check_offset;
 272                 break;
 273         case COMBIOS_EXT_DAC_INFO_TABLE:
 274                 check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
 275                 if (check_offset)
 276                         offset = check_offset;
 277                 break;
 278         case COMBIOS_MISC_INFO_TABLE:
 279                 check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
 280                 if (check_offset)
 281                         offset = check_offset;
 282                 break;
 283         case COMBIOS_CRT_INFO_TABLE:
 284                 check_offset = RBIOS16(rdev->bios_header_start + 0x60);
 285                 if (check_offset)
 286                         offset = check_offset;
 287                 break;
 288         case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
 289                 check_offset = RBIOS16(rdev->bios_header_start + 0x62);
 290                 if (check_offset)
 291                         offset = check_offset;
 292                 break;
 293         case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
 294                 check_offset = RBIOS16(rdev->bios_header_start + 0x64);
 295                 if (check_offset)
 296                         offset = check_offset;
 297                 break;
 298         case COMBIOS_FAN_SPEED_INFO_TABLE:
 299                 check_offset = RBIOS16(rdev->bios_header_start + 0x66);
 300                 if (check_offset)
 301                         offset = check_offset;
 302                 break;
 303         case COMBIOS_OVERDRIVE_INFO_TABLE:
 304                 check_offset = RBIOS16(rdev->bios_header_start + 0x68);
 305                 if (check_offset)
 306                         offset = check_offset;
 307                 break;
 308         case COMBIOS_OEM_INFO_TABLE:
 309                 check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
 310                 if (check_offset)
 311                         offset = check_offset;
 312                 break;
 313         case COMBIOS_DYN_CLK_2_TABLE:
 314                 check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
 315                 if (check_offset)
 316                         offset = check_offset;
 317                 break;
 318         case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
 319                 check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
 320                 if (check_offset)
 321                         offset = check_offset;
 322                 break;
 323         case COMBIOS_I2C_INFO_TABLE:
 324                 check_offset = RBIOS16(rdev->bios_header_start + 0x70);
 325                 if (check_offset)
 326                         offset = check_offset;
 327                 break;
 328                 /* relative offset tables */
 329         case COMBIOS_ASIC_INIT_3_TABLE: /* offset from misc info */
 330                 check_offset =
 331                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 332                 if (check_offset) {
 333                         rev = RBIOS8(check_offset);
 334                         if (rev > 0) {
 335                                 check_offset = RBIOS16(check_offset + 0x3);
 336                                 if (check_offset)
 337                                         offset = check_offset;
 338                         }
 339                 }
 340                 break;
 341         case COMBIOS_ASIC_INIT_4_TABLE: /* offset from misc info */
 342                 check_offset =
 343                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 344                 if (check_offset) {
 345                         rev = RBIOS8(check_offset);
 346                         if (rev > 0) {
 347                                 check_offset = RBIOS16(check_offset + 0x5);
 348                                 if (check_offset)
 349                                         offset = check_offset;
 350                         }
 351                 }
 352                 break;
 353         case COMBIOS_DETECTED_MEM_TABLE:        /* offset from misc info */
 354                 check_offset =
 355                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 356                 if (check_offset) {
 357                         rev = RBIOS8(check_offset);
 358                         if (rev > 0) {
 359                                 check_offset = RBIOS16(check_offset + 0x7);
 360                                 if (check_offset)
 361                                         offset = check_offset;
 362                         }
 363                 }
 364                 break;
 365         case COMBIOS_ASIC_INIT_5_TABLE: /* offset from misc info */
 366                 check_offset =
 367                     combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
 368                 if (check_offset) {
 369                         rev = RBIOS8(check_offset);
 370                         if (rev == 2) {
 371                                 check_offset = RBIOS16(check_offset + 0x9);
 372                                 if (check_offset)
 373                                         offset = check_offset;
 374                         }
 375                 }
 376                 break;
 377         case COMBIOS_RAM_RESET_TABLE:   /* offset from mem config */
 378                 check_offset =
 379                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
 380                 if (check_offset) {
 381                         while (RBIOS8(check_offset++));
 382                         check_offset += 2;
 383                         if (check_offset)
 384                                 offset = check_offset;
 385                 }
 386                 break;
 387         case COMBIOS_POWERPLAY_INFO_TABLE:      /* offset from mobile info */
 388                 check_offset =
 389                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 390                 if (check_offset) {
 391                         check_offset = RBIOS16(check_offset + 0x11);
 392                         if (check_offset)
 393                                 offset = check_offset;
 394                 }
 395                 break;
 396         case COMBIOS_GPIO_INFO_TABLE:   /* offset from mobile info */
 397                 check_offset =
 398                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 399                 if (check_offset) {
 400                         check_offset = RBIOS16(check_offset + 0x13);
 401                         if (check_offset)
 402                                 offset = check_offset;
 403                 }
 404                 break;
 405         case COMBIOS_LCD_DDC_INFO_TABLE:        /* offset from mobile info */
 406                 check_offset =
 407                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 408                 if (check_offset) {
 409                         check_offset = RBIOS16(check_offset + 0x15);
 410                         if (check_offset)
 411                                 offset = check_offset;
 412                 }
 413                 break;
 414         case COMBIOS_TMDS_POWER_TABLE:  /* offset from mobile info */
 415                 check_offset =
 416                     combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
 417                 if (check_offset) {
 418                         check_offset = RBIOS16(check_offset + 0x17);
 419                         if (check_offset)
 420                                 offset = check_offset;
 421                 }
 422                 break;
 423         case COMBIOS_TMDS_POWER_ON_TABLE:       /* offset from tmds power */
 424                 check_offset =
 425                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
 426                 if (check_offset) {
 427                         check_offset = RBIOS16(check_offset + 0x2);
 428                         if (check_offset)
 429                                 offset = check_offset;
 430                 }
 431                 break;
 432         case COMBIOS_TMDS_POWER_OFF_TABLE:      /* offset from tmds power */
 433                 check_offset =
 434                     combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
 435                 if (check_offset) {
 436                         check_offset = RBIOS16(check_offset + 0x4);
 437                         if (check_offset)
 438                                 offset = check_offset;
 439                 }
 440                 break;
 441         default:
 442                 break;
 443         }
 444
 445         return offset;
 446
 447 }
 448
 449 bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
 450 {
 451         int edid_info;
 452         struct edid *edid;
 453         unsigned char *raw;
 454         edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
 455         if (!edid_info)
 456                 return false;
 457
 458         raw = rdev->bios + edid_info;
 459         edid = kmalloc(EDID_LENGTH * (raw[0x7e] + 1), GFP_KERNEL);
 460         if (edid == NULL)
 461                 return false;
 462
 463         memcpy((unsigned char *)edid, raw, EDID_LENGTH * (raw[0x7e] + 1));
 464
 465         if (!drm_edid_is_valid(edid)) {
 466                 kfree(edid);
 467                 return false;
 468         }
 469
 470         rdev->mode_info.bios_hardcoded_edid = edid;
 471         return true;
 472 }
 473
 474 struct edid *
 475 radeon_combios_get_hardcoded_edid(struct radeon_device *rdev)
 476 {
 477         if (rdev->mode_info.bios_hardcoded_edid)
 478                 return rdev->mode_info.bios_hardcoded_edid;
 479         return NULL;
 480 }
 481
 482 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
 483                                                        enum radeon_combios_ddc ddc,
 484                                                        u32 clk_mask,
 485                                                        u32 data_mask)
 486 {
 487         struct radeon_i2c_bus_rec i2c;
 488         int ddc_line = 0;
 489
 490         /* ddc id            = mask reg
 491          * DDC_NONE_DETECTED = none
 492          * DDC_DVI           = RADEON_GPIO_DVI_DDC
 493          * DDC_VGA           = RADEON_GPIO_VGA_DDC
 494          * DDC_LCD           = RADEON_GPIOPAD_MASK
 495          * DDC_GPIO          = RADEON_MDGPIO_MASK
 496          * r1xx/r2xx
 497          * DDC_MONID         = RADEON_GPIO_MONID
 498          * DDC_CRT2          = RADEON_GPIO_CRT2_DDC
 499          * r3xx
 500          * DDC_MONID         = RADEON_GPIO_MONID
 501          * DDC_CRT2          = RADEON_GPIO_DVI_DDC
 502          * rs3xx/rs4xx
 503          * DDC_MONID         = RADEON_GPIOPAD_MASK
 504          * DDC_CRT2          = RADEON_GPIO_MONID
 505          */
 506         switch (ddc) {
 507         case DDC_NONE_DETECTED:
 508         default:
 509                 ddc_line = 0;
 510                 break;
 511         case DDC_DVI:
 512                 ddc_line = RADEON_GPIO_DVI_DDC;
 513                 break;
 514         case DDC_VGA:
 515                 ddc_line = RADEON_GPIO_VGA_DDC;
 516                 break;
 517         case DDC_LCD:
 518                 ddc_line = RADEON_GPIOPAD_MASK;
 519                 break;
 520         case DDC_GPIO:
 521                 ddc_line = RADEON_MDGPIO_MASK;
 522                 break;
 523         case DDC_MONID:
 524                 if (rdev->family == CHIP_RS300 ||
 525                     rdev->family == CHIP_RS400 ||
 526                     rdev->family == CHIP_RS480)
 527                         ddc_line = RADEON_GPIOPAD_MASK;
 528                 else
 529                         ddc_line = RADEON_GPIO_MONID;
 530                 break;
 531         case DDC_CRT2:
 532                 if (rdev->family == CHIP_RS300 ||
 533                     rdev->family == CHIP_RS400 ||
 534                     rdev->family == CHIP_RS480)
 535                         ddc_line = RADEON_GPIO_MONID;
 536                 else if (rdev->family >= CHIP_R300) {
 537                         ddc_line = RADEON_GPIO_DVI_DDC;
 538                         ddc = DDC_DVI;
 539                 } else
 540                         ddc_line = RADEON_GPIO_CRT2_DDC;
 541                 break;
 542         }
 543
 544         if (ddc_line == RADEON_GPIOPAD_MASK) {
 545                 i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
 546                 i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
 547                 i2c.a_clk_reg = RADEON_GPIOPAD_A;
 548                 i2c.a_data_reg = RADEON_GPIOPAD_A;
 549                 i2c.en_clk_reg = RADEON_GPIOPAD_EN;
 550                 i2c.en_data_reg = RADEON_GPIOPAD_EN;
 551                 i2c.y_clk_reg = RADEON_GPIOPAD_Y;
 552                 i2c.y_data_reg = RADEON_GPIOPAD_Y;
 553         } else if (ddc_line == RADEON_MDGPIO_MASK) {
 554                 i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
 555                 i2c.mask_data_reg = RADEON_MDGPIO_MASK;
 556                 i2c.a_clk_reg = RADEON_MDGPIO_A;
 557                 i2c.a_data_reg = RADEON_MDGPIO_A;
 558                 i2c.en_clk_reg = RADEON_MDGPIO_EN;
 559                 i2c.en_data_reg = RADEON_MDGPIO_EN;
 560                 i2c.y_clk_reg = RADEON_MDGPIO_Y;
 561                 i2c.y_data_reg = RADEON_MDGPIO_Y;
 562         } else {
 563                 i2c.mask_clk_reg = ddc_line;
 564                 i2c.mask_data_reg = ddc_line;
 565                 i2c.a_clk_reg = ddc_line;
 566                 i2c.a_data_reg = ddc_line;
 567                 i2c.en_clk_reg = ddc_line;
 568                 i2c.en_data_reg = ddc_line;
 569                 i2c.y_clk_reg = ddc_line;
 570                 i2c.y_data_reg = ddc_line;
 571         }
 572
 573         if (clk_mask && data_mask) {
 574                 i2c.mask_clk_mask = clk_mask;
 575                 i2c.mask_data_mask = data_mask;
 576                 i2c.a_clk_mask = clk_mask;
 577                 i2c.a_data_mask = data_mask;
 578                 i2c.en_clk_mask = clk_mask;
 579                 i2c.en_data_mask = data_mask;
 580                 i2c.y_clk_mask = clk_mask;
 581                 i2c.y_data_mask = data_mask;
 582         } else {
 583                 i2c.mask_clk_mask = RADEON_GPIO_EN_1;
 584                 i2c.mask_data_mask = RADEON_GPIO_EN_0;
 585                 i2c.a_clk_mask = RADEON_GPIO_A_1;
 586                 i2c.a_data_mask = RADEON_GPIO_A_0;
 587                 i2c.en_clk_mask = RADEON_GPIO_EN_1;
 588                 i2c.en_data_mask = RADEON_GPIO_EN_0;
 589                 i2c.y_clk_mask = RADEON_GPIO_Y_1;
 590                 i2c.y_data_mask = RADEON_GPIO_Y_0;
 591         }
 592
 593         switch (rdev->family) {
 594         case CHIP_R100:
 595         case CHIP_RV100:
 596         case CHIP_RS100:
 597         case CHIP_RV200:
 598         case CHIP_RS200:
 599         case CHIP_RS300:
 600                 switch (ddc_line) {
 601                 case RADEON_GPIO_DVI_DDC:
 602                         i2c.hw_capable = true;
 603                         break;
 604                 default:
 605                         i2c.hw_capable = false;
 606                         break;
 607                 }
 608                 break;
 609         case CHIP_R200:
 610                 switch (ddc_line) {
 611                 case RADEON_GPIO_DVI_DDC:
 612                 case RADEON_GPIO_MONID:
 613                         i2c.hw_capable = true;
 614                         break;
 615                 default:
 616                         i2c.hw_capable = false;
 617                         break;
 618                 }
 619                 break;
 620         case CHIP_RV250:
 621         case CHIP_RV280:
 622                 switch (ddc_line) {
 623                 case RADEON_GPIO_VGA_DDC:
 624                 case RADEON_GPIO_DVI_DDC:
 625                 case RADEON_GPIO_CRT2_DDC:
 626                         i2c.hw_capable = true;
 627                         break;
 628                 default:
 629                         i2c.hw_capable = false;
 630                         break;
 631                 }
 632                 break;
 633         case CHIP_R300:
 634         case CHIP_R350:
 635                 switch (ddc_line) {
 636                 case RADEON_GPIO_VGA_DDC:
 637                 case RADEON_GPIO_DVI_DDC:
 638                         i2c.hw_capable = true;
 639                         break;
 640                 default:
 641                         i2c.hw_capable = false;
 642                         break;
 643                 }
 644                 break;
 645         case CHIP_RV350:
 646         case CHIP_RV380:
 647         case CHIP_RS400:
 648         case CHIP_RS480:
 649                 switch (ddc_line) {
 650                 case RADEON_GPIO_VGA_DDC:
 651                 case RADEON_GPIO_DVI_DDC:
 652                         i2c.hw_capable = true;
 653                         break;
 654                 case RADEON_GPIO_MONID:
 655                         /* hw i2c on RADEON_GPIO_MONID doesn't seem to work
 656                          * reliably on some pre-r4xx hardware; not sure why.
 657                          */
 658                         i2c.hw_capable = false;
 659                         break;
 660                 default:
 661                         i2c.hw_capable = false;
 662                         break;
 663                 }
 664                 break;
 665         default:
 666                 i2c.hw_capable = false;
 667                 break;
 668         }
 669         i2c.mm_i2c = false;
 670
 671         i2c.i2c_id = ddc;
 672         i2c.hpd = RADEON_HPD_NONE;
 673
 674         if (ddc_line)
 675                 i2c.valid = true;
 676         else
 677                 i2c.valid = false;
 678
 679         return i2c;
 680 }
 681
 682 void radeon_combios_i2c_init(struct radeon_device *rdev)
 683 {
 684         struct drm_device *dev = rdev->ddev;
 685         struct radeon_i2c_bus_rec i2c;
 686
 687
 688         i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
 689         rdev->i2c_bus[0] = radeon_i2c_create(dev, &i2c, "DVI_DDC");
 690
 691         i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
 692         rdev->i2c_bus[1] = radeon_i2c_create(dev, &i2c, "VGA_DDC");
 693
 694         i2c.valid = true;
 695         i2c.hw_capable = true;
 696         i2c.mm_i2c = true;
 697         i2c.i2c_id = 0xa0;
 698         rdev->i2c_bus[2] = radeon_i2c_create(dev, &i2c, "MM_I2C");
 699
 700         if (rdev->family == CHIP_RS300 ||
 701             rdev->family == CHIP_RS400 ||
 702             rdev->family == CHIP_RS480) {
 703                 u16 offset;
 704                 u8 id, blocks, clk, data;
 705                 int i;
 706
 707                 i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
 708                 rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
 709
 710                 offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
 711                 if (offset) {
 712                         blocks = RBIOS8(offset + 2);
 713                         for (i = 0; i < blocks; i++) {
 714                                 id = RBIOS8(offset + 3 + (i * 5) + 0);
 715                                 if (id == 136) {
 716                                         clk = RBIOS8(offset + 3 + (i * 5) + 3);
 717                                         data = RBIOS8(offset + 3 + (i * 5) + 4);
 718                                         i2c = combios_setup_i2c_bus(rdev, DDC_MONID,
 719                                                                     clk, data);
 720                                         rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK");
 721                                         break;
 722                                 }
 723                         }
 724                 }
 725
 726         } else if (rdev->family >= CHIP_R300) {
 727                 i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
 728                 rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
 729         } else {
 730                 i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
 731                 rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID");
 732
 733                 i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
 734                 rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "CRT2_DDC");
 735         }
 736 }
 737
 738 bool radeon_combios_get_clock_info(struct drm_device *dev)
 739 {
 740         struct radeon_device *rdev = dev->dev_private;
 741         uint16_t pll_info;
 742         struct radeon_pll *p1pll = &rdev->clock.p1pll;
 743         struct radeon_pll *p2pll = &rdev->clock.p2pll;
 744         struct radeon_pll *spll = &rdev->clock.spll;
 745         struct radeon_pll *mpll = &rdev->clock.mpll;
 746         int8_t rev;
 747         uint16_t sclk, mclk;
 748
 749         pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
 750         if (pll_info) {
 751                 rev = RBIOS8(pll_info);
 752
 753                 /* pixel clocks */
 754                 p1pll->reference_freq = RBIOS16(pll_info + 0xe);
 755                 p1pll->reference_div = RBIOS16(pll_info + 0x10);
 756                 p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
 757                 p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
 758                 p1pll->lcd_pll_out_min = p1pll->pll_out_min;
 759                 p1pll->lcd_pll_out_max = p1pll->pll_out_max;
 760
 761                 if (rev > 9) {
 762                         p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
 763                         p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
 764                 } else {
 765                         p1pll->pll_in_min = 40;
 766                         p1pll->pll_in_max = 500;
 767                 }
 768                 *p2pll = *p1pll;
 769
 770                 /* system clock */
 771                 spll->reference_freq = RBIOS16(pll_info + 0x1a);
 772                 spll->reference_div = RBIOS16(pll_info + 0x1c);
 773                 spll->pll_out_min = RBIOS32(pll_info + 0x1e);
 774                 spll->pll_out_max = RBIOS32(pll_info + 0x22);
 775
 776                 if (rev > 10) {
 777                         spll->pll_in_min = RBIOS32(pll_info + 0x48);
 778                         spll->pll_in_max = RBIOS32(pll_info + 0x4c);
 779                 } else {
 780                         /* ??? */
 781                         spll->pll_in_min = 40;
 782                         spll->pll_in_max = 500;
 783                 }
 784
 785                 /* memory clock */
 786                 mpll->reference_freq = RBIOS16(pll_info + 0x26);
 787                 mpll->reference_div = RBIOS16(pll_info + 0x28);
 788                 mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
 789                 mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
 790
 791                 if (rev > 10) {
 792                         mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
 793                         mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
 794                 } else {
 795                         /* ??? */
 796                         mpll->pll_in_min = 40;
 797                         mpll->pll_in_max = 500;
 798                 }
 799
 800                 /* default sclk/mclk */
 801                 sclk = RBIOS16(pll_info + 0xa);
 802                 mclk = RBIOS16(pll_info + 0x8);
 803                 if (sclk == 0)
 804                         sclk = 200 * 100;
 805                 if (mclk == 0)
 806                         mclk = 200 * 100;
 807
 808                 rdev->clock.default_sclk = sclk;
 809                 rdev->clock.default_mclk = mclk;
 810
 811                 return true;
 812         }
 813         return false;
 814 }
 815
 816 bool radeon_combios_sideport_present(struct radeon_device *rdev)
 817 {
 818         struct drm_device *dev = rdev->ddev;
 819         u16 igp_info;
 820
 821         /* sideport is AMD only */
 822         if (rdev->family == CHIP_RS400)
 823                 return false;
 824
 825         igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
 826
 827         if (igp_info) {
 828                 if (RBIOS16(igp_info + 0x4))
 829                         return true;
 830         }
 831         return false;
 832 }
 833
 834 static const uint32_t default_primarydac_adj[CHIP_LAST] = {
 835         0x00000808,             /* r100  */
 836         0x00000808,             /* rv100 */
 837         0x00000808,             /* rs100 */
 838         0x00000808,             /* rv200 */
 839         0x00000808,             /* rs200 */
 840         0x00000808,             /* r200  */
 841         0x00000808,             /* rv250 */
 842         0x00000000,             /* rs300 */
 843         0x00000808,             /* rv280 */
 844         0x00000808,             /* r300  */
 845         0x00000808,             /* r350  */
 846         0x00000808,             /* rv350 */
 847         0x00000808,             /* rv380 */
 848         0x00000808,             /* r420  */
 849         0x00000808,             /* r423  */
 850         0x00000808,             /* rv410 */
 851         0x00000000,             /* rs400 */
 852         0x00000000,             /* rs480 */
 853 };
 854
 855 static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
 856                                                           struct radeon_encoder_primary_dac *p_dac)
 857 {
 858         p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
 859         return;
 860 }
 861
 862 struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
 863                                                                        radeon_encoder
 864                                                                        *encoder)
 865 {
 866         struct drm_device *dev = encoder->base.dev;
 867         struct radeon_device *rdev = dev->dev_private;
 868         uint16_t dac_info;
 869         uint8_t rev, bg, dac;
 870         struct radeon_encoder_primary_dac *p_dac = NULL;
 871         int found = 0;
 872
 873         p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
 874                         GFP_KERNEL);
 875
 876         if (!p_dac)
 877                 return NULL;
 878
 879         /* check CRT table */
 880         dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
 881         if (dac_info) {
 882                 rev = RBIOS8(dac_info) & 0x3;
 883                 if (rev < 2) {
 884                         bg = RBIOS8(dac_info + 0x2) & 0xf;
 885                         dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
 886                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
 887                 } else {
 888                         bg = RBIOS8(dac_info + 0x2) & 0xf;
 889                         dac = RBIOS8(dac_info + 0x3) & 0xf;
 890                         p_dac->ps2_pdac_adj = (bg << 8) | (dac);
 891                 }
 892                 /* if the values are all zeros, use the table */
 893                 if (p_dac->ps2_pdac_adj)
 894                         found = 1;
 895         }
 896
 897         if (!found) /* fallback to defaults */
 898                 radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
 899
 900         return p_dac;
 901 }
 902
 903 enum radeon_tv_std
 904 radeon_combios_get_tv_info(struct radeon_device *rdev)
 905 {
 906         struct drm_device *dev = rdev->ddev;
 907         uint16_t tv_info;
 908         enum radeon_tv_std tv_std = TV_STD_NTSC;
 909
 910         tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
 911         if (tv_info) {
 912                 if (RBIOS8(tv_info + 6) == 'T') {
 913                         switch (RBIOS8(tv_info + 7) & 0xf) {
 914                         case 1:
 915                                 tv_std = TV_STD_NTSC;
 916                                 DRM_INFO("Default TV standard: NTSC\n");
 917                                 break;
 918                         case 2:
 919                                 tv_std = TV_STD_PAL;
 920                                 DRM_INFO("Default TV standard: PAL\n");
 921                                 break;
 922                         case 3:
 923                                 tv_std = TV_STD_PAL_M;
 924                                 DRM_INFO("Default TV standard: PAL-M\n");
 925                                 break;
 926                         case 4:
 927                                 tv_std = TV_STD_PAL_60;
 928                                 DRM_INFO("Default TV standard: PAL-60\n");
 929                                 break;
 930                         case 5:
 931                                 tv_std = TV_STD_NTSC_J;
 932                                 DRM_INFO("Default TV standard: NTSC-J\n");
 933                                 break;
 934                         case 6:
 935                                 tv_std = TV_STD_SCART_PAL;
 936                                 DRM_INFO("Default TV standard: SCART-PAL\n");
 937                                 break;
 938                         default:
 939                                 tv_std = TV_STD_NTSC;
 940                                 DRM_INFO
 941                                     ("Unknown TV standard; defaulting to NTSC\n");
 942                                 break;
 943                         }
 944
 945                         switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
 946                         case 0:
 947                                 DRM_INFO("29.498928713 MHz TV ref clk\n");
 948                                 break;
 949                         case 1:
 950                                 DRM_INFO("28.636360000 MHz TV ref clk\n");
 951                                 break;
 952                         case 2:
 953                                 DRM_INFO("14.318180000 MHz TV ref clk\n");
 954                                 break;
 955                         case 3:
 956                                 DRM_INFO("27.000000000 MHz TV ref clk\n");
 957                                 break;
 958                         default:
 959                                 break;
 960                         }
 961                 }
 962         }
 963         return tv_std;
 964 }
 965
 966 static const uint32_t default_tvdac_adj[CHIP_LAST] = {
 967         0x00000000,             /* r100  */
 968         0x00280000,             /* rv100 */
 969         0x00000000,             /* rs100 */
 970         0x00880000,             /* rv200 */
 971         0x00000000,             /* rs200 */
 972         0x00000000,             /* r200  */
 973         0x00770000,             /* rv250 */
 974         0x00290000,             /* rs300 */
 975         0x00560000,             /* rv280 */
 976         0x00780000,             /* r300  */
 977         0x00770000,             /* r350  */
 978         0x00780000,             /* rv350 */
 979         0x00780000,             /* rv380 */
 980         0x01080000,             /* r420  */
 981         0x01080000,             /* r423  */
 982         0x01080000,             /* rv410 */
 983         0x00780000,             /* rs400 */
 984         0x00780000,             /* rs480 */
 985 };
 986
 987 static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
 988                                                      struct radeon_encoder_tv_dac *tv_dac)
 989 {
 990         tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
 991         if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
 992                 tv_dac->ps2_tvdac_adj = 0x00880000;
 993         tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
 994         tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
 995         return;
 996 }
 997
 998 struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 999                                                              radeon_encoder
1000                                                              *encoder)
1001 {
1002         struct drm_device *dev = encoder->base.dev;
1003         struct radeon_device *rdev = dev->dev_private;
1004         uint16_t dac_info;
1005         uint8_t rev, bg, dac;
1006         struct radeon_encoder_tv_dac *tv_dac = NULL;
1007         int found = 0;
1008
1009         tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
1010         if (!tv_dac)
1011                 return NULL;
1012
1013         /* first check TV table */
1014         dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
1015         if (dac_info) {
1016                 rev = RBIOS8(dac_info + 0x3);
1017                 if (rev > 4) {
1018                         bg = RBIOS8(dac_info + 0xc) & 0xf;
1019                         dac = RBIOS8(dac_info + 0xd) & 0xf;
1020                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1021
1022                         bg = RBIOS8(dac_info + 0xe) & 0xf;
1023                         dac = RBIOS8(dac_info + 0xf) & 0xf;
1024                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1025
1026                         bg = RBIOS8(dac_info + 0x10) & 0xf;
1027                         dac = RBIOS8(dac_info + 0x11) & 0xf;
1028                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1029                         /* if the values are all zeros, use the table */
1030                         if (tv_dac->ps2_tvdac_adj)
1031                                 found = 1;
1032                 } else if (rev > 1) {
1033                         bg = RBIOS8(dac_info + 0xc) & 0xf;
1034                         dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
1035                         tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
1036
1037                         bg = RBIOS8(dac_info + 0xd) & 0xf;
1038                         dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
1039                         tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
1040
1041                         bg = RBIOS8(dac_info + 0xe) & 0xf;
1042                         dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
1043                         tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
1044                         /* if the values are all zeros, use the table */
1045                         if (tv_dac->ps2_tvdac_adj)
1046                                 found = 1;
1047                 }
1048                 tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
1049         }
1050         if (!found) {
1051                 /* then check CRT table */
1052                 dac_info =
1053                     combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
1054                 if (dac_info) {
1055                         rev = RBIOS8(dac_info) & 0x3;
1056                         if (rev < 2) {
1057                                 bg = RBIOS8(dac_info + 0x3) & 0xf;
1058                                 dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
1059                                 tv_dac->ps2_tvdac_adj =
1060                                     (bg << 16) | (dac << 20);
1061                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1062                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1063                                 /* if the values are all zeros, use the table */
1064                                 if (tv_dac->ps2_tvdac_adj)
1065                                         found = 1;
1066                         } else {
1067                                 bg = RBIOS8(dac_info + 0x4) & 0xf;
1068                                 dac = RBIOS8(dac_info + 0x5) & 0xf;
1069                                 tv_dac->ps2_tvdac_adj =
1070                                     (bg << 16) | (dac << 20);
1071                                 tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
1072                                 tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
1073                                 /* if the values are all zeros, use the table */
1074                                 if (tv_dac->ps2_tvdac_adj)
1075                                         found = 1;
1076                         }
1077                 } else {
1078                         DRM_INFO("No TV DAC info found in BIOS\n");
1079                 }
1080         }
1081
1082         if (!found) /* fallback to defaults */
1083                 radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
1084
1085         return tv_dac;
1086 }
1087
1088 static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
1089                                                                          radeon_device
1090                                                                          *rdev)
1091 {
1092         struct radeon_encoder_lvds *lvds = NULL;
1093         uint32_t fp_vert_stretch, fp_horz_stretch;
1094         uint32_t ppll_div_sel, ppll_val;
1095         uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
1096
1097         lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1098
1099         if (!lvds)
1100                 return NULL;
1101
1102         fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
1103         fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
1104
1105         /* These should be fail-safe defaults, fingers crossed */
1106         lvds->panel_pwr_delay = 200;
1107         lvds->panel_vcc_delay = 2000;
1108
1109         lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
1110         lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
1111         lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
1112
1113         if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
1114                 lvds->native_mode.vdisplay =
1115                     ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
1116                      RADEON_VERT_PANEL_SHIFT) + 1;
1117         else
1118                 lvds->native_mode.vdisplay =
1119                     (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
1120
1121         if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
1122                 lvds->native_mode.hdisplay =
1123                     (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
1124                       RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
1125         else
1126                 lvds->native_mode.hdisplay =
1127                     ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
1128
1129         if ((lvds->native_mode.hdisplay < 640) ||
1130             (lvds->native_mode.vdisplay < 480)) {
1131                 lvds->native_mode.hdisplay = 640;
1132                 lvds->native_mode.vdisplay = 480;
1133         }
1134
1135         ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
1136         ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
1137         if ((ppll_val & 0x000707ff) == 0x1bb)
1138                 lvds->use_bios_dividers = false;
1139         else {
1140                 lvds->panel_ref_divider =
1141                     RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
1142                 lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
1143                 lvds->panel_fb_divider = ppll_val & 0x7ff;
1144
1145                 if ((lvds->panel_ref_divider != 0) &&
1146                     (lvds->panel_fb_divider > 3))
1147                         lvds->use_bios_dividers = true;
1148         }
1149         lvds->panel_vcc_delay = 200;
1150
1151         DRM_INFO("Panel info derived from registers\n");
1152         DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1153                  lvds->native_mode.vdisplay);
1154
1155         return lvds;
1156 }
1157
1158 struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
1159                                                          *encoder)
1160 {
1161         struct drm_device *dev = encoder->base.dev;
1162         struct radeon_device *rdev = dev->dev_private;
1163         uint16_t lcd_info;
1164         uint32_t panel_setup;
1165         char stmp[30];
1166         int tmp, i;
1167         struct radeon_encoder_lvds *lvds = NULL;
1168
1169         lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
1170
1171         if (lcd_info) {
1172                 lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
1173
1174                 if (!lvds)
1175                         return NULL;
1176
1177                 for (i = 0; i < 24; i++)
1178                         stmp[i] = RBIOS8(lcd_info + i + 1);
1179                 stmp[24] = 0;
1180
1181                 DRM_INFO("Panel ID String: %s\n", stmp);
1182
1183                 lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
1184                 lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
1185
1186                 DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
1187                          lvds->native_mode.vdisplay);
1188
1189                 lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
1190                 lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
1191
1192                 lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
1193                 lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
1194                 lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
1195
1196                 lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
1197                 lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
1198                 lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
1199                 if ((lvds->panel_ref_divider != 0) &&
1200                     (lvds->panel_fb_divider > 3))
1201                         lvds->use_bios_dividers = true;
1202
1203                 panel_setup = RBIOS32(lcd_info + 0x39);
1204                 lvds->lvds_gen_cntl = 0xff00;
1205                 if (panel_setup & 0x1)
1206                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
1207
1208                 if ((panel_setup >> 4) & 0x1)
1209                         lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
1210
1211                 switch ((panel_setup >> 8) & 0x7) {
1212                 case 0:
1213                         lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
1214                         break;
1215                 case 1:
1216                         lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
1217                         break;
1218                 case 2:
1219                         lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
1220                         break;
1221                 default:
1222                         break;
1223                 }
1224
1225                 if ((panel_setup >> 16) & 0x1)
1226                         lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
1227
1228                 if ((panel_setup >> 17) & 0x1)
1229                         lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
1230
1231                 if ((panel_setup >> 18) & 0x1)
1232                         lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
1233
1234                 if ((panel_setup >> 23) & 0x1)
1235                         lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
1236
1237                 lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
1238
1239                 for (i = 0; i < 32; i++) {
1240                         tmp = RBIOS16(lcd_info + 64 + i * 2);
1241                         if (tmp == 0)
1242                                 break;
1243
1244                         if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
1245                             (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
1246                                 lvds->native_mode.htotal = lvds->native_mode.hdisplay +
1247                                         (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
1248                                 lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
1249                                         (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
1250                                 lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
1251                                         (RBIOS8(tmp + 23) * 8);
1252
1253                                 lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
1254                                         (RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
1255                                 lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
1256                                         ((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
1257                                 lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
1258                                         ((RBIOS16(tmp + 28) & 0xf800) >> 11);
1259
1260                                 lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
1261                                 lvds->native_mode.flags = 0;
1262                                 /* set crtc values */
1263                                 drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
1264
1265                         }
1266                 }
1267         } else {
1268                 DRM_INFO("No panel info found in BIOS\n");
1269                 lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
1270         }
1271
1272         if (lvds)
1273                 encoder->native_mode = lvds->native_mode;
1274         return lvds;
1275 }
1276
1277 static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
1278         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R100  */
1279         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV100 */
1280         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS100 */
1281         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RV200 */
1282         {{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_RS200 */
1283         {{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}},  /* CHIP_R200  */
1284         {{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}},  /* CHIP_RV250 */
1285         {{0, 0}, {0, 0}, {0, 0}, {0, 0}},       /* CHIP_RS300 */
1286         {{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}},    /* CHIP_RV280 */
1287         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R300  */
1288         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R350  */
1289         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV350 */
1290         {{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}},      /* CHIP_RV380 */
1291         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R420  */
1292         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_R423  */
1293         {{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}},        /* CHIP_RV410 */
1294         { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS400 */
1295         { {0, 0}, {0, 0}, {0, 0}, {0, 0} },     /* CHIP_RS480 */
1296 };
1297
1298 bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
1299                                             struct radeon_encoder_int_tmds *tmds)
1300 {
1301         struct drm_device *dev = encoder->base.dev;
1302         struct radeon_device *rdev = dev->dev_private;
1303         int i;
1304
1305         for (i = 0; i < 4; i++) {
1306                 tmds->tmds_pll[i].value =
1307                         default_tmds_pll[rdev->family][i].value;
1308                 tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
1309         }
1310
1311         return true;
1312 }
1313
1314 bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
1315                                               struct radeon_encoder_int_tmds *tmds)
1316 {
1317         struct drm_device *dev = encoder->base.dev;
1318         struct radeon_device *rdev = dev->dev_private;
1319         uint16_t tmds_info;
1320         int i, n;
1321         uint8_t ver;
1322
1323         tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
1324
1325         if (tmds_info) {
1326                 ver = RBIOS8(tmds_info);
1327                 DRM_INFO("DFP table revision: %d\n", ver);
1328                 if (ver == 3) {
1329                         n = RBIOS8(tmds_info + 5) + 1;
1330                         if (n > 4)
1331                                 n = 4;
1332                         for (i = 0; i < n; i++) {
1333                                 tmds->tmds_pll[i].value =
1334                                     RBIOS32(tmds_info + i * 10 + 0x08);
1335                                 tmds->tmds_pll[i].freq =
1336                                     RBIOS16(tmds_info + i * 10 + 0x10);
1337                                 DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1338                                           tmds->tmds_pll[i].freq,
1339                                           tmds->tmds_pll[i].value);
1340                         }
1341                 } else if (ver == 4) {
1342                         int stride = 0;
1343                         n = RBIOS8(tmds_info + 5) + 1;
1344                         if (n > 4)
1345                                 n = 4;
1346                         for (i = 0; i < n; i++) {
1347                                 tmds->tmds_pll[i].value =
1348                                     RBIOS32(tmds_info + stride + 0x08);
1349                                 tmds->tmds_pll[i].freq =
1350                                     RBIOS16(tmds_info + stride + 0x10);
1351                                 if (i == 0)
1352                                         stride += 10;
1353                                 else
1354                                         stride += 6;
1355                                 DRM_DEBUG_KMS("TMDS PLL From COMBIOS %u %x\n",
1356                                           tmds->tmds_pll[i].freq,
1357                                           tmds->tmds_pll[i].value);
1358                         }
1359                 }
1360         } else {
1361                 DRM_INFO("No TMDS info found in BIOS\n");
1362                 return false;
1363         }
1364         return true;
1365 }
1366
1367 bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
1368                                                 struct radeon_encoder_ext_tmds *tmds)
1369 {
1370         struct drm_device *dev = encoder->base.dev;
1371         struct radeon_device *rdev = dev->dev_private;
1372         struct radeon_i2c_bus_rec i2c_bus;
1373
1374         /* default for macs */
1375         i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1376         tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1377
1378         /* XXX some macs have duallink chips */
1379         switch (rdev->mode_info.connector_table) {
1380         case CT_POWERBOOK_EXTERNAL:
1381         case CT_MINI_EXTERNAL:
1382         default:
1383                 tmds->dvo_chip = DVO_SIL164;
1384                 tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1385                 break;
1386         }
1387
1388         return true;
1389 }
1390
1391 bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
1392                                                   struct radeon_encoder_ext_tmds *tmds)
1393 {
1394         struct drm_device *dev = encoder->base.dev;
1395         struct radeon_device *rdev = dev->dev_private;
1396         uint16_t offset;
1397         uint8_t ver;
1398         enum radeon_combios_ddc gpio;
1399         struct radeon_i2c_bus_rec i2c_bus;
1400
1401         tmds->i2c_bus = NULL;
1402         if (rdev->flags & RADEON_IS_IGP) {
1403                 i2c_bus = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1404                 tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1405                 tmds->dvo_chip = DVO_SIL164;
1406                 tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
1407         } else {
1408                 offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
1409                 if (offset) {
1410                         ver = RBIOS8(offset);
1411                         DRM_INFO("External TMDS Table revision: %d\n", ver);
1412                         tmds->slave_addr = RBIOS8(offset + 4 + 2);
1413                         tmds->slave_addr >>= 1; /* 7 bit addressing */
1414                         gpio = RBIOS8(offset + 4 + 3);
1415                         if (gpio == DDC_LCD) {
1416                                 /* MM i2c */
1417                                 i2c_bus.valid = true;
1418                                 i2c_bus.hw_capable = true;
1419                                 i2c_bus.mm_i2c = true;
1420                                 i2c_bus.i2c_id = 0xa0;
1421                         } else
1422                                 i2c_bus = combios_setup_i2c_bus(rdev, gpio, 0, 0);
1423                         tmds->i2c_bus = radeon_i2c_lookup(rdev, &i2c_bus);
1424                 }
1425         }
1426
1427         if (!tmds->i2c_bus) {
1428                 DRM_INFO("No valid Ext TMDS info found in BIOS\n");
1429                 return false;
1430         }
1431
1432         return true;
1433 }
1434
1435 bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
1436 {
1437         struct radeon_device *rdev = dev->dev_private;
1438         struct radeon_i2c_bus_rec ddc_i2c;
1439         struct radeon_hpd hpd;
1440
1441         rdev->mode_info.connector_table = radeon_connector_table;
1442         if (rdev->mode_info.connector_table == CT_NONE) {
1443 #ifdef CONFIG_PPC_PMAC
1444                 if (of_machine_is_compatible("PowerBook3,3")) {
1445                         /* powerbook with VGA */
1446                         rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
1447                 } else if (of_machine_is_compatible("PowerBook3,4") ||
1448                            of_machine_is_compatible("PowerBook3,5")) {
1449                         /* powerbook with internal tmds */
1450                         rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
1451                 } else if (of_machine_is_compatible("PowerBook5,1") ||
1452                            of_machine_is_compatible("PowerBook5,2") ||
1453                            of_machine_is_compatible("PowerBook5,3") ||
1454                            of_machine_is_compatible("PowerBook5,4") ||
1455                            of_machine_is_compatible("PowerBook5,5")) {
1456                         /* powerbook with external single link tmds (sil164) */
1457                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1458                 } else if (of_machine_is_compatible("PowerBook5,6")) {
1459                         /* powerbook with external dual or single link tmds */
1460                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1461                 } else if (of_machine_is_compatible("PowerBook5,7") ||
1462                            of_machine_is_compatible("PowerBook5,8") ||
1463                            of_machine_is_compatible("PowerBook5,9")) {
1464                         /* PowerBook6,2 ? */
1465                         /* powerbook with external dual link tmds (sil1178?) */
1466                         rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
1467                 } else if (of_machine_is_compatible("PowerBook4,1") ||
1468                            of_machine_is_compatible("PowerBook4,2") ||
1469                            of_machine_is_compatible("PowerBook4,3") ||
1470                            of_machine_is_compatible("PowerBook6,3") ||
1471                            of_machine_is_compatible("PowerBook6,5") ||
1472                            of_machine_is_compatible("PowerBook6,7")) {
1473                         /* ibook */
1474                         rdev->mode_info.connector_table = CT_IBOOK;
1475                 } else if (of_machine_is_compatible("PowerMac4,4")) {
1476                         /* emac */
1477                         rdev->mode_info.connector_table = CT_EMAC;
1478                 } else if (of_machine_is_compatible("PowerMac10,1")) {
1479                         /* mini with internal tmds */
1480                         rdev->mode_info.connector_table = CT_MINI_INTERNAL;
1481                 } else if (of_machine_is_compatible("PowerMac10,2")) {
1482                         /* mini with external tmds */
1483                         rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
1484                 } else if (of_machine_is_compatible("PowerMac12,1")) {
1485                         /* PowerMac8,1 ? */
1486                         /* imac g5 isight */
1487                         rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
1488                 } else
1489 #endif /* CONFIG_PPC_PMAC */
1490 #ifdef CONFIG_PPC64
1491                 if (ASIC_IS_RN50(rdev))
1492                         rdev->mode_info.connector_table = CT_RN50_POWER;
1493                 else
1494 #endif
1495                         rdev->mode_info.connector_table = CT_GENERIC;
1496         }
1497
1498         switch (rdev->mode_info.connector_table) {
1499         case CT_GENERIC:
1500                 DRM_INFO("Connector Table: %d (generic)\n",
1501                          rdev->mode_info.connector_table);
1502                 /* these are the most common settings */
1503                 if (rdev->flags & RADEON_SINGLE_CRTC) {
1504                         /* VGA - primary dac */
1505                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1506                         hpd.hpd = RADEON_HPD_NONE;
1507                         radeon_add_legacy_encoder(dev,
1508                                                   radeon_get_encoder_enum(dev,
1509                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1510                                                                         1),
1511                                                   ATOM_DEVICE_CRT1_SUPPORT);
1512                         radeon_add_legacy_connector(dev, 0,
1513                                                     ATOM_DEVICE_CRT1_SUPPORT,
1514                                                     DRM_MODE_CONNECTOR_VGA,
1515                                                     &ddc_i2c,
1516                                                     CONNECTOR_OBJECT_ID_VGA,
1517                                                     &hpd);
1518                 } else if (rdev->flags & RADEON_IS_MOBILITY) {
1519                         /* LVDS */
1520                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_NONE_DETECTED, 0, 0);
1521                         hpd.hpd = RADEON_HPD_NONE;
1522                         radeon_add_legacy_encoder(dev,
1523                                                   radeon_get_encoder_enum(dev,
1524                                                                         ATOM_DEVICE_LCD1_SUPPORT,
1525                                                                         0),
1526                                                   ATOM_DEVICE_LCD1_SUPPORT);
1527                         radeon_add_legacy_connector(dev, 0,
1528                                                     ATOM_DEVICE_LCD1_SUPPORT,
1529                                                     DRM_MODE_CONNECTOR_LVDS,
1530                                                     &ddc_i2c,
1531                                                     CONNECTOR_OBJECT_ID_LVDS,
1532                                                     &hpd);
1533
1534                         /* VGA - primary dac */
1535                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1536                         hpd.hpd = RADEON_HPD_NONE;
1537                         radeon_add_legacy_encoder(dev,
1538                                                   radeon_get_encoder_enum(dev,
1539                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1540                                                                         1),
1541                                                   ATOM_DEVICE_CRT1_SUPPORT);
1542                         radeon_add_legacy_connector(dev, 1,
1543                                                     ATOM_DEVICE_CRT1_SUPPORT,
1544                                                     DRM_MODE_CONNECTOR_VGA,
1545                                                     &ddc_i2c,
1546                                                     CONNECTOR_OBJECT_ID_VGA,
1547                                                     &hpd);
1548                 } else {
1549                         /* DVI-I - tv dac, int tmds */
1550                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1551                         hpd.hpd = RADEON_HPD_1;
1552                         radeon_add_legacy_encoder(dev,
1553                                                   radeon_get_encoder_enum(dev,
1554                                                                         ATOM_DEVICE_DFP1_SUPPORT,
1555                                                                         0),
1556                                                   ATOM_DEVICE_DFP1_SUPPORT);
1557                         radeon_add_legacy_encoder(dev,
1558                                                   radeon_get_encoder_enum(dev,
1559                                                                         ATOM_DEVICE_CRT2_SUPPORT,
1560                                                                         2),
1561                                                   ATOM_DEVICE_CRT2_SUPPORT);
1562                         radeon_add_legacy_connector(dev, 0,
1563                                                     ATOM_DEVICE_DFP1_SUPPORT |
1564                                                     ATOM_DEVICE_CRT2_SUPPORT,
1565                                                     DRM_MODE_CONNECTOR_DVII,
1566                                                     &ddc_i2c,
1567                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1568                                                     &hpd);
1569
1570                         /* VGA - primary dac */
1571                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1572                         hpd.hpd = RADEON_HPD_NONE;
1573                         radeon_add_legacy_encoder(dev,
1574                                                   radeon_get_encoder_enum(dev,
1575                                                                         ATOM_DEVICE_CRT1_SUPPORT,
1576                                                                         1),
1577                                                   ATOM_DEVICE_CRT1_SUPPORT);
1578                         radeon_add_legacy_connector(dev, 1,
1579                                                     ATOM_DEVICE_CRT1_SUPPORT,
1580                                                     DRM_MODE_CONNECTOR_VGA,
1581                                                     &ddc_i2c,
1582                                                     CONNECTOR_OBJECT_ID_VGA,
1583                                                     &hpd);
1584                 }
1585
1586                 if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
1587                         /* TV - tv dac */
1588                         ddc_i2c.valid = false;
1589                         hpd.hpd = RADEON_HPD_NONE;
1590                         radeon_add_legacy_encoder(dev,
1591                                                   radeon_get_encoder_enum(dev,
1592                                                                         ATOM_DEVICE_TV1_SUPPORT,
1593                                                                         2),
1594                                                   ATOM_DEVICE_TV1_SUPPORT);
1595                         radeon_add_legacy_connector(dev, 2,
1596                                                     ATOM_DEVICE_TV1_SUPPORT,
1597                                                     DRM_MODE_CONNECTOR_SVIDEO,
1598                                                     &ddc_i2c,
1599                                                     CONNECTOR_OBJECT_ID_SVIDEO,
1600                                                     &hpd);
1601                 }
1602                 break;
1603         case CT_IBOOK:
1604                 DRM_INFO("Connector Table: %d (ibook)\n",
1605                          rdev->mode_info.connector_table);
1606                 /* LVDS */
1607                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1608                 hpd.hpd = RADEON_HPD_NONE;
1609                 radeon_add_legacy_encoder(dev,
1610                                           radeon_get_encoder_enum(dev,
1611                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1612                                                                 0),
1613                                           ATOM_DEVICE_LCD1_SUPPORT);
1614                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1615                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1616                                             CONNECTOR_OBJECT_ID_LVDS,
1617                                             &hpd);
1618                 /* VGA - TV DAC */
1619                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1620                 hpd.hpd = RADEON_HPD_NONE;
1621                 radeon_add_legacy_encoder(dev,
1622                                           radeon_get_encoder_enum(dev,
1623                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1624                                                                 2),
1625                                           ATOM_DEVICE_CRT2_SUPPORT);
1626                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1627                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1628                                             CONNECTOR_OBJECT_ID_VGA,
1629                                             &hpd);
1630                 /* TV - TV DAC */
1631                 ddc_i2c.valid = false;
1632                 hpd.hpd = RADEON_HPD_NONE;
1633                 radeon_add_legacy_encoder(dev,
1634                                           radeon_get_encoder_enum(dev,
1635                                                                 ATOM_DEVICE_TV1_SUPPORT,
1636                                                                 2),
1637                                           ATOM_DEVICE_TV1_SUPPORT);
1638                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1639                                             DRM_MODE_CONNECTOR_SVIDEO,
1640                                             &ddc_i2c,
1641                                             CONNECTOR_OBJECT_ID_SVIDEO,
1642                                             &hpd);
1643                 break;
1644         case CT_POWERBOOK_EXTERNAL:
1645                 DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
1646                          rdev->mode_info.connector_table);
1647                 /* LVDS */
1648                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1649                 hpd.hpd = RADEON_HPD_NONE;
1650                 radeon_add_legacy_encoder(dev,
1651                                           radeon_get_encoder_enum(dev,
1652                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1653                                                                 0),
1654                                           ATOM_DEVICE_LCD1_SUPPORT);
1655                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1656                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1657                                             CONNECTOR_OBJECT_ID_LVDS,
1658                                             &hpd);
1659                 /* DVI-I - primary dac, ext tmds */
1660                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1661                 hpd.hpd = RADEON_HPD_2; /* ??? */
1662                 radeon_add_legacy_encoder(dev,
1663                                           radeon_get_encoder_enum(dev,
1664                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1665                                                                 0),
1666                                           ATOM_DEVICE_DFP2_SUPPORT);
1667                 radeon_add_legacy_encoder(dev,
1668                                           radeon_get_encoder_enum(dev,
1669                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1670                                                                 1),
1671                                           ATOM_DEVICE_CRT1_SUPPORT);
1672                 /* XXX some are SL */
1673                 radeon_add_legacy_connector(dev, 1,
1674                                             ATOM_DEVICE_DFP2_SUPPORT |
1675                                             ATOM_DEVICE_CRT1_SUPPORT,
1676                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1677                                             CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
1678                                             &hpd);
1679                 /* TV - TV DAC */
1680                 ddc_i2c.valid = false;
1681                 hpd.hpd = RADEON_HPD_NONE;
1682                 radeon_add_legacy_encoder(dev,
1683                                           radeon_get_encoder_enum(dev,
1684                                                                 ATOM_DEVICE_TV1_SUPPORT,
1685                                                                 2),
1686                                           ATOM_DEVICE_TV1_SUPPORT);
1687                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1688                                             DRM_MODE_CONNECTOR_SVIDEO,
1689                                             &ddc_i2c,
1690                                             CONNECTOR_OBJECT_ID_SVIDEO,
1691                                             &hpd);
1692                 break;
1693         case CT_POWERBOOK_INTERNAL:
1694                 DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
1695                          rdev->mode_info.connector_table);
1696                 /* LVDS */
1697                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1698                 hpd.hpd = RADEON_HPD_NONE;
1699                 radeon_add_legacy_encoder(dev,
1700                                           radeon_get_encoder_enum(dev,
1701                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1702                                                                 0),
1703                                           ATOM_DEVICE_LCD1_SUPPORT);
1704                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1705                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1706                                             CONNECTOR_OBJECT_ID_LVDS,
1707                                             &hpd);
1708                 /* DVI-I - primary dac, int tmds */
1709                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1710                 hpd.hpd = RADEON_HPD_1; /* ??? */
1711                 radeon_add_legacy_encoder(dev,
1712                                           radeon_get_encoder_enum(dev,
1713                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1714                                                                 0),
1715                                           ATOM_DEVICE_DFP1_SUPPORT);
1716                 radeon_add_legacy_encoder(dev,
1717                                           radeon_get_encoder_enum(dev,
1718                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1719                                                                 1),
1720                                           ATOM_DEVICE_CRT1_SUPPORT);
1721                 radeon_add_legacy_connector(dev, 1,
1722                                             ATOM_DEVICE_DFP1_SUPPORT |
1723                                             ATOM_DEVICE_CRT1_SUPPORT,
1724                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1725                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1726                                             &hpd);
1727                 /* TV - TV DAC */
1728                 ddc_i2c.valid = false;
1729                 hpd.hpd = RADEON_HPD_NONE;
1730                 radeon_add_legacy_encoder(dev,
1731                                           radeon_get_encoder_enum(dev,
1732                                                                 ATOM_DEVICE_TV1_SUPPORT,
1733                                                                 2),
1734                                           ATOM_DEVICE_TV1_SUPPORT);
1735                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1736                                             DRM_MODE_CONNECTOR_SVIDEO,
1737                                             &ddc_i2c,
1738                                             CONNECTOR_OBJECT_ID_SVIDEO,
1739                                             &hpd);
1740                 break;
1741         case CT_POWERBOOK_VGA:
1742                 DRM_INFO("Connector Table: %d (powerbook vga)\n",
1743                          rdev->mode_info.connector_table);
1744                 /* LVDS */
1745                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1746                 hpd.hpd = RADEON_HPD_NONE;
1747                 radeon_add_legacy_encoder(dev,
1748                                           radeon_get_encoder_enum(dev,
1749                                                                 ATOM_DEVICE_LCD1_SUPPORT,
1750                                                                 0),
1751                                           ATOM_DEVICE_LCD1_SUPPORT);
1752                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
1753                                             DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
1754                                             CONNECTOR_OBJECT_ID_LVDS,
1755                                             &hpd);
1756                 /* VGA - primary dac */
1757                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1758                 hpd.hpd = RADEON_HPD_NONE;
1759                 radeon_add_legacy_encoder(dev,
1760                                           radeon_get_encoder_enum(dev,
1761                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1762                                                                 1),
1763                                           ATOM_DEVICE_CRT1_SUPPORT);
1764                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
1765                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1766                                             CONNECTOR_OBJECT_ID_VGA,
1767                                             &hpd);
1768                 /* TV - TV DAC */
1769                 ddc_i2c.valid = false;
1770                 hpd.hpd = RADEON_HPD_NONE;
1771                 radeon_add_legacy_encoder(dev,
1772                                           radeon_get_encoder_enum(dev,
1773                                                                 ATOM_DEVICE_TV1_SUPPORT,
1774                                                                 2),
1775                                           ATOM_DEVICE_TV1_SUPPORT);
1776                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1777                                             DRM_MODE_CONNECTOR_SVIDEO,
1778                                             &ddc_i2c,
1779                                             CONNECTOR_OBJECT_ID_SVIDEO,
1780                                             &hpd);
1781                 break;
1782         case CT_MINI_EXTERNAL:
1783                 DRM_INFO("Connector Table: %d (mini external tmds)\n",
1784                          rdev->mode_info.connector_table);
1785                 /* DVI-I - tv dac, ext tmds */
1786                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1787                 hpd.hpd = RADEON_HPD_2; /* ??? */
1788                 radeon_add_legacy_encoder(dev,
1789                                           radeon_get_encoder_enum(dev,
1790                                                                 ATOM_DEVICE_DFP2_SUPPORT,
1791                                                                 0),
1792                                           ATOM_DEVICE_DFP2_SUPPORT);
1793                 radeon_add_legacy_encoder(dev,
1794                                           radeon_get_encoder_enum(dev,
1795                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1796                                                                 2),
1797                                           ATOM_DEVICE_CRT2_SUPPORT);
1798                 /* XXX are any DL? */
1799                 radeon_add_legacy_connector(dev, 0,
1800                                             ATOM_DEVICE_DFP2_SUPPORT |
1801                                             ATOM_DEVICE_CRT2_SUPPORT,
1802                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1803                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1804                                             &hpd);
1805                 /* TV - TV DAC */
1806                 ddc_i2c.valid = false;
1807                 hpd.hpd = RADEON_HPD_NONE;
1808                 radeon_add_legacy_encoder(dev,
1809                                           radeon_get_encoder_enum(dev,
1810                                                                 ATOM_DEVICE_TV1_SUPPORT,
1811                                                                 2),
1812                                           ATOM_DEVICE_TV1_SUPPORT);
1813                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1814                                             DRM_MODE_CONNECTOR_SVIDEO,
1815                                             &ddc_i2c,
1816                                             CONNECTOR_OBJECT_ID_SVIDEO,
1817                                             &hpd);
1818                 break;
1819         case CT_MINI_INTERNAL:
1820                 DRM_INFO("Connector Table: %d (mini internal tmds)\n",
1821                          rdev->mode_info.connector_table);
1822                 /* DVI-I - tv dac, int tmds */
1823                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1824                 hpd.hpd = RADEON_HPD_1; /* ??? */
1825                 radeon_add_legacy_encoder(dev,
1826                                           radeon_get_encoder_enum(dev,
1827                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1828                                                                 0),
1829                                           ATOM_DEVICE_DFP1_SUPPORT);
1830                 radeon_add_legacy_encoder(dev,
1831                                           radeon_get_encoder_enum(dev,
1832                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1833                                                                 2),
1834                                           ATOM_DEVICE_CRT2_SUPPORT);
1835                 radeon_add_legacy_connector(dev, 0,
1836                                             ATOM_DEVICE_DFP1_SUPPORT |
1837                                             ATOM_DEVICE_CRT2_SUPPORT,
1838                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
1839                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
1840                                             &hpd);
1841                 /* TV - TV DAC */
1842                 ddc_i2c.valid = false;
1843                 hpd.hpd = RADEON_HPD_NONE;
1844                 radeon_add_legacy_encoder(dev,
1845                                           radeon_get_encoder_enum(dev,
1846                                                                 ATOM_DEVICE_TV1_SUPPORT,
1847                                                                 2),
1848                                           ATOM_DEVICE_TV1_SUPPORT);
1849                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
1850                                             DRM_MODE_CONNECTOR_SVIDEO,
1851                                             &ddc_i2c,
1852                                             CONNECTOR_OBJECT_ID_SVIDEO,
1853                                             &hpd);
1854                 break;
1855         case CT_IMAC_G5_ISIGHT:
1856                 DRM_INFO("Connector Table: %d (imac g5 isight)\n",
1857                          rdev->mode_info.connector_table);
1858                 /* DVI-D - int tmds */
1859                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_MONID, 0, 0);
1860                 hpd.hpd = RADEON_HPD_1; /* ??? */
1861                 radeon_add_legacy_encoder(dev,
1862                                           radeon_get_encoder_enum(dev,
1863                                                                 ATOM_DEVICE_DFP1_SUPPORT,
1864                                                                 0),
1865                                           ATOM_DEVICE_DFP1_SUPPORT);
1866                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
1867                                             DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
1868                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
1869                                             &hpd);
1870                 /* VGA - tv dac */
1871                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
1872                 hpd.hpd = RADEON_HPD_NONE;
1873                 radeon_add_legacy_encoder(dev,
1874                                           radeon_get_encoder_enum(dev,
1875                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1876                                                                 2),
1877                                           ATOM_DEVICE_CRT2_SUPPORT);
1878                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1879                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1880                                             CONNECTOR_OBJECT_ID_VGA,
1881                                             &hpd);
1882                 /* TV - TV DAC */
1883                 ddc_i2c.valid = false;
1884                 hpd.hpd = RADEON_HPD_NONE;
1885                 radeon_add_legacy_encoder(dev,
1886                                           radeon_get_encoder_enum(dev,
1887                                                                 ATOM_DEVICE_TV1_SUPPORT,
1888                                                                 2),
1889                                           ATOM_DEVICE_TV1_SUPPORT);
1890                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1891                                             DRM_MODE_CONNECTOR_SVIDEO,
1892                                             &ddc_i2c,
1893                                             CONNECTOR_OBJECT_ID_SVIDEO,
1894                                             &hpd);
1895                 break;
1896         case CT_EMAC:
1897                 DRM_INFO("Connector Table: %d (emac)\n",
1898                          rdev->mode_info.connector_table);
1899                 /* VGA - primary dac */
1900                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1901                 hpd.hpd = RADEON_HPD_NONE;
1902                 radeon_add_legacy_encoder(dev,
1903                                           radeon_get_encoder_enum(dev,
1904                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1905                                                                 1),
1906                                           ATOM_DEVICE_CRT1_SUPPORT);
1907                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1908                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1909                                             CONNECTOR_OBJECT_ID_VGA,
1910                                             &hpd);
1911                 /* VGA - tv dac */
1912                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1913                 hpd.hpd = RADEON_HPD_NONE;
1914                 radeon_add_legacy_encoder(dev,
1915                                           radeon_get_encoder_enum(dev,
1916                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1917                                                                 2),
1918                                           ATOM_DEVICE_CRT2_SUPPORT);
1919                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1920                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1921                                             CONNECTOR_OBJECT_ID_VGA,
1922                                             &hpd);
1923                 /* TV - TV DAC */
1924                 ddc_i2c.valid = false;
1925                 hpd.hpd = RADEON_HPD_NONE;
1926                 radeon_add_legacy_encoder(dev,
1927                                           radeon_get_encoder_enum(dev,
1928                                                                 ATOM_DEVICE_TV1_SUPPORT,
1929                                                                 2),
1930                                           ATOM_DEVICE_TV1_SUPPORT);
1931                 radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
1932                                             DRM_MODE_CONNECTOR_SVIDEO,
1933                                             &ddc_i2c,
1934                                             CONNECTOR_OBJECT_ID_SVIDEO,
1935                                             &hpd);
1936                 break;
1937         case CT_RN50_POWER:
1938                 DRM_INFO("Connector Table: %d (rn50-power)\n",
1939                          rdev->mode_info.connector_table);
1940                 /* VGA - primary dac */
1941                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
1942                 hpd.hpd = RADEON_HPD_NONE;
1943                 radeon_add_legacy_encoder(dev,
1944                                           radeon_get_encoder_enum(dev,
1945                                                                 ATOM_DEVICE_CRT1_SUPPORT,
1946                                                                 1),
1947                                           ATOM_DEVICE_CRT1_SUPPORT);
1948                 radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
1949                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1950                                             CONNECTOR_OBJECT_ID_VGA,
1951                                             &hpd);
1952                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0);
1953                 hpd.hpd = RADEON_HPD_NONE;
1954                 radeon_add_legacy_encoder(dev,
1955                                           radeon_get_encoder_enum(dev,
1956                                                                 ATOM_DEVICE_CRT2_SUPPORT,
1957                                                                 2),
1958                                           ATOM_DEVICE_CRT2_SUPPORT);
1959                 radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
1960                                             DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
1961                                             CONNECTOR_OBJECT_ID_VGA,
1962                                             &hpd);
1963                 break;
1964         default:
1965                 DRM_INFO("Connector table: %d (invalid)\n",
1966                          rdev->mode_info.connector_table);
1967                 return false;
1968         }
1969
1970         radeon_link_encoder_connector(dev);
1971
1972         return true;
1973 }
1974
1975 static bool radeon_apply_legacy_quirks(struct drm_device *dev,
1976                                        int bios_index,
1977                                        enum radeon_combios_connector
1978                                        *legacy_connector,
1979                                        struct radeon_i2c_bus_rec *ddc_i2c,
1980                                        struct radeon_hpd *hpd)
1981 {
1982
1983         /* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
1984            one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
1985         if (dev->pdev->device == 0x515e &&
1986             dev->pdev->subsystem_vendor == 0x1014) {
1987                 if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
1988                     ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
1989                         return false;
1990         }
1991
1992         /* X300 card with extra non-existent DVI port */
1993         if (dev->pdev->device == 0x5B60 &&
1994             dev->pdev->subsystem_vendor == 0x17af &&
1995             dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
1996                 if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
1997                         return false;
1998         }
1999
2000         return true;
2001 }
2002
2003 static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
2004 {
2005         /* Acer 5102 has non-existent TV port */
2006         if (dev->pdev->device == 0x5975 &&
2007             dev->pdev->subsystem_vendor == 0x1025 &&
2008             dev->pdev->subsystem_device == 0x009f)
2009                 return false;
2010
2011         /* HP dc5750 has non-existent TV port */
2012         if (dev->pdev->device == 0x5974 &&
2013             dev->pdev->subsystem_vendor == 0x103c &&
2014             dev->pdev->subsystem_device == 0x280a)
2015                 return false;
2016
2017         /* MSI S270 has non-existent TV port */
2018         if (dev->pdev->device == 0x5955 &&
2019             dev->pdev->subsystem_vendor == 0x1462 &&
2020             dev->pdev->subsystem_device == 0x0131)
2021                 return false;
2022
2023         return true;
2024 }
2025
2026 static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
2027 {
2028         struct radeon_device *rdev = dev->dev_private;
2029         uint32_t ext_tmds_info;
2030
2031         if (rdev->flags & RADEON_IS_IGP) {
2032                 if (is_dvi_d)
2033                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2034                 else
2035                         return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2036         }
2037         ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2038         if (ext_tmds_info) {
2039                 uint8_t rev = RBIOS8(ext_tmds_info);
2040                 uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
2041                 if (rev >= 3) {
2042                         if (is_dvi_d)
2043                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2044                         else
2045                                 return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2046                 } else {
2047                         if (flags & 1) {
2048                                 if (is_dvi_d)
2049                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
2050                                 else
2051                                         return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
2052                         }
2053                 }
2054         }
2055         if (is_dvi_d)
2056                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
2057         else
2058                 return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2059 }
2060
2061 bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
2062 {
2063         struct radeon_device *rdev = dev->dev_private;
2064         uint32_t conn_info, entry, devices;
2065         uint16_t tmp, connector_object_id;
2066         enum radeon_combios_ddc ddc_type;
2067         enum radeon_combios_connector connector;
2068         int i = 0;
2069         struct radeon_i2c_bus_rec ddc_i2c;
2070         struct radeon_hpd hpd;
2071
2072         conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
2073         if (conn_info) {
2074                 for (i = 0; i < 4; i++) {
2075                         entry = conn_info + 2 + i * 2;
2076
2077                         if (!RBIOS16(entry))
2078                                 break;
2079
2080                         tmp = RBIOS16(entry);
2081
2082                         connector = (tmp >> 12) & 0xf;
2083
2084                         ddc_type = (tmp >> 8) & 0xf;
2085                         ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2086
2087                         switch (connector) {
2088                         case CONNECTOR_PROPRIETARY_LEGACY:
2089                         case CONNECTOR_DVI_I_LEGACY:
2090                         case CONNECTOR_DVI_D_LEGACY:
2091                                 if ((tmp >> 4) & 0x1)
2092                                         hpd.hpd = RADEON_HPD_2;
2093                                 else
2094                                         hpd.hpd = RADEON_HPD_1;
2095                                 break;
2096                         default:
2097                                 hpd.hpd = RADEON_HPD_NONE;
2098                                 break;
2099                         }
2100
2101                         if (!radeon_apply_legacy_quirks(dev, i, &connector,
2102                                                         &ddc_i2c, &hpd))
2103                                 continue;
2104
2105                         switch (connector) {
2106                         case CONNECTOR_PROPRIETARY_LEGACY:
2107                                 if ((tmp >> 4) & 0x1)
2108                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
2109                                 else
2110                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
2111                                 radeon_add_legacy_encoder(dev,
2112                                                           radeon_get_encoder_enum
2113                                                           (dev, devices, 0),
2114                                                           devices);
2115                                 radeon_add_legacy_connector(dev, i, devices,
2116                                                             legacy_connector_convert
2117                                                             [connector],
2118                                                             &ddc_i2c,
2119                                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
2120                                                             &hpd);
2121                                 break;
2122                         case CONNECTOR_CRT_LEGACY:
2123                                 if (tmp & 0x1) {
2124                                         devices = ATOM_DEVICE_CRT2_SUPPORT;
2125                                         radeon_add_legacy_encoder(dev,
2126                                                                   radeon_get_encoder_enum
2127                                                                   (dev,
2128                                                                    ATOM_DEVICE_CRT2_SUPPORT,
2129                                                                    2),
2130                                                                   ATOM_DEVICE_CRT2_SUPPORT);
2131                                 } else {
2132                                         devices = ATOM_DEVICE_CRT1_SUPPORT;
2133                                         radeon_add_legacy_encoder(dev,
2134                                                                   radeon_get_encoder_enum
2135                                                                   (dev,
2136                                                                    ATOM_DEVICE_CRT1_SUPPORT,
2137                                                                    1),
2138                                                                   ATOM_DEVICE_CRT1_SUPPORT);
2139                                 }
2140                                 radeon_add_legacy_connector(dev,
2141                                                             i,
2142                                                             devices,
2143                                                             legacy_connector_convert
2144                                                             [connector],
2145                                                             &ddc_i2c,
2146                                                             CONNECTOR_OBJECT_ID_VGA,
2147                                                             &hpd);
2148                                 break;
2149                         case CONNECTOR_DVI_I_LEGACY:
2150                                 devices = 0;
2151                                 if (tmp & 0x1) {
2152                                         devices |= ATOM_DEVICE_CRT2_SUPPORT;
2153                                         radeon_add_legacy_encoder(dev,
2154                                                                   radeon_get_encoder_enum
2155                                                                   (dev,
2156                                                                    ATOM_DEVICE_CRT2_SUPPORT,
2157                                                                    2),
2158                                                                   ATOM_DEVICE_CRT2_SUPPORT);
2159                                 } else {
2160                                         devices |= ATOM_DEVICE_CRT1_SUPPORT;
2161                                         radeon_add_legacy_encoder(dev,
2162                                                                   radeon_get_encoder_enum
2163                                                                   (dev,
2164                                                                    ATOM_DEVICE_CRT1_SUPPORT,
2165                                                                    1),
2166                                                                   ATOM_DEVICE_CRT1_SUPPORT);
2167                                 }
2168                                 if ((tmp >> 4) & 0x1) {
2169                                         devices |= ATOM_DEVICE_DFP2_SUPPORT;
2170                                         radeon_add_legacy_encoder(dev,
2171                                                                   radeon_get_encoder_enum
2172                                                                   (dev,
2173                                                                    ATOM_DEVICE_DFP2_SUPPORT,
2174                                                                    0),
2175                                                                   ATOM_DEVICE_DFP2_SUPPORT);
2176                                         connector_object_id = combios_check_dl_dvi(dev, 0);
2177                                 } else {
2178                                         devices |= ATOM_DEVICE_DFP1_SUPPORT;
2179                                         radeon_add_legacy_encoder(dev,
2180                                                                   radeon_get_encoder_enum
2181                                                                   (dev,
2182                                                                    ATOM_DEVICE_DFP1_SUPPORT,
2183                                                                    0),
2184                                                                   ATOM_DEVICE_DFP1_SUPPORT);
2185                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2186                                 }
2187                                 radeon_add_legacy_connector(dev,
2188                                                             i,
2189                                                             devices,
2190                                                             legacy_connector_convert
2191                                                             [connector],
2192                                                             &ddc_i2c,
2193                                                             connector_object_id,
2194                                                             &hpd);
2195                                 break;
2196                         case CONNECTOR_DVI_D_LEGACY:
2197                                 if ((tmp >> 4) & 0x1) {
2198                                         devices = ATOM_DEVICE_DFP2_SUPPORT;
2199                                         connector_object_id = combios_check_dl_dvi(dev, 1);
2200                                 } else {
2201                                         devices = ATOM_DEVICE_DFP1_SUPPORT;
2202                                         connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
2203                                 }
2204                                 radeon_add_legacy_encoder(dev,
2205                                                           radeon_get_encoder_enum
2206                                                           (dev, devices, 0),
2207                                                           devices);
2208                                 radeon_add_legacy_connector(dev, i, devices,
2209                                                             legacy_connector_convert
2210                                                             [connector],
2211                                                             &ddc_i2c,
2212                                                             connector_object_id,
2213                                                             &hpd);
2214                                 break;
2215                         case CONNECTOR_CTV_LEGACY:
2216                         case CONNECTOR_STV_LEGACY:
2217                                 radeon_add_legacy_encoder(dev,
2218                                                           radeon_get_encoder_enum
2219                                                           (dev,
2220                                                            ATOM_DEVICE_TV1_SUPPORT,
2221                                                            2),
2222                                                           ATOM_DEVICE_TV1_SUPPORT);
2223                                 radeon_add_legacy_connector(dev, i,
2224                                                             ATOM_DEVICE_TV1_SUPPORT,
2225                                                             legacy_connector_convert
2226                                                             [connector],
2227                                                             &ddc_i2c,
2228                                                             CONNECTOR_OBJECT_ID_SVIDEO,
2229                                                             &hpd);
2230                                 break;
2231                         default:
2232                                 DRM_ERROR("Unknown connector type: %d\n",
2233                                           connector);
2234                                 continue;
2235                         }
2236
2237                 }
2238         } else {
2239                 uint16_t tmds_info =
2240                     combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
2241                 if (tmds_info) {
2242                         DRM_DEBUG_KMS("Found DFP table, assuming DVI connector\n");
2243
2244                         radeon_add_legacy_encoder(dev,
2245                                                   radeon_get_encoder_enum(dev,
2246                                                                         ATOM_DEVICE_CRT1_SUPPORT,
2247                                                                         1),
2248                                                   ATOM_DEVICE_CRT1_SUPPORT);
2249                         radeon_add_legacy_encoder(dev,
2250                                                   radeon_get_encoder_enum(dev,
2251                                                                         ATOM_DEVICE_DFP1_SUPPORT,
2252                                                                         0),
2253                                                   ATOM_DEVICE_DFP1_SUPPORT);
2254
2255                         ddc_i2c = combios_setup_i2c_bus(rdev, DDC_DVI, 0, 0);
2256                         hpd.hpd = RADEON_HPD_1;
2257                         radeon_add_legacy_connector(dev,
2258                                                     0,
2259                                                     ATOM_DEVICE_CRT1_SUPPORT |
2260                                                     ATOM_DEVICE_DFP1_SUPPORT,
2261                                                     DRM_MODE_CONNECTOR_DVII,
2262                                                     &ddc_i2c,
2263                                                     CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
2264                                                     &hpd);
2265                 } else {
2266                         uint16_t crt_info =
2267                                 combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
2268                         DRM_DEBUG_KMS("Found CRT table, assuming VGA connector\n");
2269                         if (crt_info) {
2270                                 radeon_add_legacy_encoder(dev,
2271                                                           radeon_get_encoder_enum(dev,
2272                                                                                 ATOM_DEVICE_CRT1_SUPPORT,
2273                                                                                 1),
2274                                                           ATOM_DEVICE_CRT1_SUPPORT);
2275                                 ddc_i2c = combios_setup_i2c_bus(rdev, DDC_VGA, 0, 0);
2276                                 hpd.hpd = RADEON_HPD_NONE;
2277                                 radeon_add_legacy_connector(dev,
2278                                                             0,
2279                                                             ATOM_DEVICE_CRT1_SUPPORT,
2280                                                             DRM_MODE_CONNECTOR_VGA,
2281                                                             &ddc_i2c,
2282                                                             CONNECTOR_OBJECT_ID_VGA,
2283                                                             &hpd);
2284                         } else {
2285                                 DRM_DEBUG_KMS("No connector info found\n");
2286                                 return false;
2287                         }
2288                 }
2289         }
2290
2291         if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
2292                 uint16_t lcd_info =
2293                     combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
2294                 if (lcd_info) {
2295                         uint16_t lcd_ddc_info =
2296                             combios_get_table_offset(dev,
2297                                                      COMBIOS_LCD_DDC_INFO_TABLE);
2298
2299                         radeon_add_legacy_encoder(dev,
2300                                                   radeon_get_encoder_enum(dev,
2301                                                                         ATOM_DEVICE_LCD1_SUPPORT,
2302                                                                         0),
2303                                                   ATOM_DEVICE_LCD1_SUPPORT);
2304
2305                         if (lcd_ddc_info) {
2306                                 ddc_type = RBIOS8(lcd_ddc_info + 2);
2307                                 switch (ddc_type) {
2308                                 case DDC_LCD:
2309                                         ddc_i2c =
2310                                                 combios_setup_i2c_bus(rdev,
2311                                                                       DDC_LCD,
2312                                                                       RBIOS32(lcd_ddc_info + 3),
2313                                                                       RBIOS32(lcd_ddc_info + 7));
2314                                         radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2315                                         break;
2316                                 case DDC_GPIO:
2317                                         ddc_i2c =
2318                                                 combios_setup_i2c_bus(rdev,
2319                                                                       DDC_GPIO,
2320                                                                       RBIOS32(lcd_ddc_info + 3),
2321                                                                       RBIOS32(lcd_ddc_info + 7));
2322                                         radeon_i2c_add(rdev, &ddc_i2c, "LCD");
2323                                         break;
2324                                 default:
2325                                         ddc_i2c =
2326                                                 combios_setup_i2c_bus(rdev, ddc_type, 0, 0);
2327                                         break;
2328                                 }
2329                                 DRM_DEBUG_KMS("LCD DDC Info Table found!\n");
2330                         } else
2331                                 ddc_i2c.valid = false;
2332
2333                         hpd.hpd = RADEON_HPD_NONE;
2334                         radeon_add_legacy_connector(dev,
2335                                                     5,
2336                                                     ATOM_DEVICE_LCD1_SUPPORT,
2337                                                     DRM_MODE_CONNECTOR_LVDS,
2338                                                     &ddc_i2c,
2339                                                     CONNECTOR_OBJECT_ID_LVDS,
2340                                                     &hpd);
2341                 }
2342         }
2343
2344         /* check TV table */
2345         if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
2346                 uint32_t tv_info =
2347                     combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
2348                 if (tv_info) {
2349                         if (RBIOS8(tv_info + 6) == 'T') {
2350                                 if (radeon_apply_legacy_tv_quirks(dev)) {
2351                                         hpd.hpd = RADEON_HPD_NONE;
2352                                         ddc_i2c.valid = false;
2353                                         radeon_add_legacy_encoder(dev,
2354                                                                   radeon_get_encoder_enum
2355                                                                   (dev,
2356                                                                    ATOM_DEVICE_TV1_SUPPORT,
2357                                                                    2),
2358                                                                   ATOM_DEVICE_TV1_SUPPORT);
2359                                         radeon_add_legacy_connector(dev, 6,
2360                                                                     ATOM_DEVICE_TV1_SUPPORT,
2361                                                                     DRM_MODE_CONNECTOR_SVIDEO,
2362                                                                     &ddc_i2c,
2363                                                                     CONNECTOR_OBJECT_ID_SVIDEO,
2364                                                                     &hpd);
2365                                 }
2366                         }
2367                 }
2368         }
2369
2370         radeon_link_encoder_connector(dev);
2371
2372         return true;
2373 }
2374
2375 void radeon_combios_get_power_modes(struct radeon_device *rdev)
2376 {
2377         struct drm_device *dev = rdev->ddev;
2378         u16 offset, misc, misc2 = 0;
2379         u8 rev, blocks, tmp;
2380         int state_index = 0;
2381
2382         rdev->pm.default_power_state_index = -1;
2383
2384         if (rdev->flags & RADEON_IS_MOBILITY) {
2385                 offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
2386                 if (offset) {
2387                         rev = RBIOS8(offset);
2388                         blocks = RBIOS8(offset + 0x2);
2389                         /* power mode 0 tends to be the only valid one */
2390                         rdev->pm.power_state[state_index].num_clock_modes = 1;
2391                         rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
2392                         rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
2393                         if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
2394                             (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
2395                                 goto default_mode;
2396                         rdev->pm.power_state[state_index].type =
2397                                 POWER_STATE_TYPE_BATTERY;
2398                         misc = RBIOS16(offset + 0x5 + 0x0);
2399                         if (rev > 4)
2400                                 misc2 = RBIOS16(offset + 0x5 + 0xe);
2401                         rdev->pm.power_state[state_index].misc = misc;
2402                         rdev->pm.power_state[state_index].misc2 = misc2;
2403                         if (misc & 0x4) {
2404                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
2405                                 if (misc & 0x8)
2406                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2407                                                 true;
2408                                 else
2409                                         rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
2410                                                 false;
2411                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
2412                                 if (rev < 6) {
2413                                         rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2414                                                 RBIOS16(offset + 0x5 + 0xb) * 4;
2415                                         tmp = RBIOS8(offset + 0x5 + 0xd);
2416                                         rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2417                                 } else {
2418                                         u8 entries = RBIOS8(offset + 0x5 + 0xb);
2419                                         u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
2420                                         if (entries && voltage_table_offset) {
2421                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
2422                                                         RBIOS16(voltage_table_offset) * 4;
2423                                                 tmp = RBIOS8(voltage_table_offset + 0x2);
2424                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
2425                                         } else
2426                                                 rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
2427                                 }
2428                                 switch ((misc2 & 0x700) >> 8) {
2429                                 case 0:
2430                                 default:
2431                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
2432                                         break;
2433                                 case 1:
2434                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
2435                                         break;
2436                                 case 2:
2437                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
2438                                         break;
2439                                 case 3:
2440                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
2441                                         break;
2442                                 case 4:
2443                                         rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
2444                                         break;
2445                                 }
2446                         } else
2447                                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2448                         if (rev > 6)
2449                                 rdev->pm.power_state[state_index].pcie_lanes =
2450                                         RBIOS8(offset + 0x5 + 0x10);
2451                         rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
2452                         state_index++;
2453                 } else {
2454                         /* XXX figure out some good default low power mode for mobility cards w/out power tables */
2455                 }
2456         } else {
2457                 /* XXX figure out some good default low power mode for desktop cards */
2458         }
2459
2460 default_mode:
2461         /* add the default mode */
2462         rdev->pm.power_state[state_index].type =
2463                 POWER_STATE_TYPE_DEFAULT;
2464         rdev->pm.power_state[state_index].num_clock_modes = 1;
2465         rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
2466         rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
2467         rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
2468         if ((state_index > 0) &&
2469             (rdev->pm.power_state[0].clock_info[0].voltage.type == VOLTAGE_GPIO))
2470                 rdev->pm.power_state[state_index].clock_info[0].voltage =
2471                         rdev->pm.power_state[0].clock_info[0].voltage;
2472         else
2473                 rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
2474         rdev->pm.power_state[state_index].pcie_lanes = 16;
2475         rdev->pm.power_state[state_index].flags = 0;
2476         rdev->pm.default_power_state_index = state_index;
2477         rdev->pm.num_power_states = state_index + 1;
2478
2479         rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
2480         rdev->pm.current_clock_mode_index = 0;
2481 }
2482
2483 void radeon_external_tmds_setup(struct drm_encoder *encoder)
2484 {
2485         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2486         struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2487
2488         if (!tmds)
2489                 return;
2490
2491         switch (tmds->dvo_chip) {
2492         case DVO_SIL164:
2493                 /* sil 164 */
2494                 radeon_i2c_put_byte(tmds->i2c_bus,
2495                                     tmds->slave_addr,
2496                                     0x08, 0x30);
2497                 radeon_i2c_put_byte(tmds->i2c_bus,
2498                                        tmds->slave_addr,
2499                                        0x09, 0x00);
2500                 radeon_i2c_put_byte(tmds->i2c_bus,
2501                                     tmds->slave_addr,
2502                                     0x0a, 0x90);
2503                 radeon_i2c_put_byte(tmds->i2c_bus,
2504                                     tmds->slave_addr,
2505                                     0x0c, 0x89);
2506                 radeon_i2c_put_byte(tmds->i2c_bus,
2507                                        tmds->slave_addr,
2508                                        0x08, 0x3b);
2509                 break;
2510         case DVO_SIL1178:
2511                 /* sil 1178 - untested */
2512                 /*
2513                  * 0x0f, 0x44
2514                  * 0x0f, 0x4c
2515                  * 0x0e, 0x01
2516                  * 0x0a, 0x80
2517                  * 0x09, 0x30
2518                  * 0x0c, 0xc9
2519                  * 0x0d, 0x70
2520                  * 0x08, 0x32
2521                  * 0x08, 0x33
2522                  */
2523                 break;
2524         default:
2525                 break;
2526         }
2527
2528 }
2529
2530 bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
2531 {
2532         struct drm_device *dev = encoder->dev;
2533         struct radeon_device *rdev = dev->dev_private;
2534         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
2535         uint16_t offset;
2536         uint8_t blocks, slave_addr, rev;
2537         uint32_t index, id;
2538         uint32_t reg, val, and_mask, or_mask;
2539         struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
2540
2541         if (!tmds)
2542                 return false;
2543
2544         if (rdev->flags & RADEON_IS_IGP) {
2545                 offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
2546                 rev = RBIOS8(offset);
2547                 if (offset) {
2548                         rev = RBIOS8(offset);
2549                         if (rev > 1) {
2550                                 blocks = RBIOS8(offset + 3);
2551                                 index = offset + 4;
2552                                 while (blocks > 0) {
2553                                         id = RBIOS16(index);
2554                                         index += 2;
2555                                         switch (id >> 13) {
2556                                         case 0:
2557                                                 reg = (id & 0x1fff) * 4;
2558                                                 val = RBIOS32(index);
2559                                                 index += 4;
2560                                                 WREG32(reg, val);
2561                                                 break;
2562                                         case 2:
2563                                                 reg = (id & 0x1fff) * 4;
2564                                                 and_mask = RBIOS32(index);
2565                                                 index += 4;
2566                                                 or_mask = RBIOS32(index);
2567                                                 index += 4;
2568                                                 val = RREG32(reg);
2569                                                 val = (val & and_mask) | or_mask;
2570                                                 WREG32(reg, val);
2571                                                 break;
2572                                         case 3:
2573                                                 val = RBIOS16(index);
2574                                                 index += 2;
2575                                                 udelay(val);
2576                                                 break;
2577                                         case 4:
2578                                                 val = RBIOS16(index);
2579                                                 index += 2;
2580                                                 udelay(val * 1000);
2581                                                 break;
2582                                         case 6:
2583                                                 slave_addr = id & 0xff;
2584                                                 slave_addr >>= 1; /* 7 bit addressing */
2585                                                 index++;
2586                                                 reg = RBIOS8(index);
2587                                                 index++;
2588                                                 val = RBIOS8(index);
2589                                                 index++;
2590                                                 radeon_i2c_put_byte(tmds->i2c_bus,
2591                                                                     slave_addr,
2592                                                                     reg, val);
2593                                                 break;
2594                                         default:
2595                                                 DRM_ERROR("Unknown id %d\n", id >> 13);
2596                                                 break;
2597                                         }
2598                                         blocks--;
2599                                 }
2600                                 return true;
2601                         }
2602                 }
2603         } else {
2604                 offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
2605                 if (offset) {
2606                         index = offset + 10;
2607                         id = RBIOS16(index);
2608                         while (id != 0xffff) {
2609                                 index += 2;
2610                                 switch (id >> 13) {
2611                                 case 0:
2612                                         reg = (id & 0x1fff) * 4;
2613                                         val = RBIOS32(index);
2614                                         WREG32(reg, val);
2615                                         break;
2616                                 case 2:
2617                                         reg = (id & 0x1fff) * 4;
2618                                         and_mask = RBIOS32(index);
2619                                         index += 4;
2620                                         or_mask = RBIOS32(index);
2621                                         index += 4;
2622                                         val = RREG32(reg);
2623                                         val = (val & and_mask) | or_mask;
2624                                         WREG32(reg, val);
2625                                         break;
2626                                 case 4:
2627                                         val = RBIOS16(index);
2628                                         index += 2;
2629                                         udelay(val);
2630                                         break;
2631                                 case 5:
2632                                         reg = id & 0x1fff;
2633                                         and_mask = RBIOS32(index);
2634                                         index += 4;
2635                                         or_mask = RBIOS32(index);
2636                                         index += 4;
2637                                         val = RREG32_PLL(reg);
2638                                         val = (val & and_mask) | or_mask;
2639                                         WREG32_PLL(reg, val);
2640                                         break;
2641                                 case 6:
2642                                         reg = id & 0x1fff;
2643                                         val = RBIOS8(index);
2644                                         index += 1;
2645                                         radeon_i2c_put_byte(tmds->i2c_bus,
2646                                                             tmds->slave_addr,
2647                                                             reg, val);
2648                                         break;
2649                                 default:
2650                                         DRM_ERROR("Unknown id %d\n", id >> 13);
2651                                         break;
2652                                 }
2653                                 id = RBIOS16(index);
2654                         }
2655                         return true;
2656                 }
2657         }
2658         return false;
2659 }
2660
2661 static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
2662 {
2663         struct radeon_device *rdev = dev->dev_private;
2664
2665         if (offset) {
2666                 while (RBIOS16(offset)) {
2667                         uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
2668                         uint32_t addr = (RBIOS16(offset) & 0x1fff);
2669                         uint32_t val, and_mask, or_mask;
2670                         uint32_t tmp;
2671
2672                         offset += 2;
2673                         switch (cmd) {
2674                         case 0:
2675                                 val = RBIOS32(offset);
2676                                 offset += 4;
2677                                 WREG32(addr, val);
2678                                 break;
2679                         case 1:
2680                                 val = RBIOS32(offset);
2681                                 offset += 4;
2682                                 WREG32(addr, val);
2683                                 break;
2684                         case 2:
2685                                 and_mask = RBIOS32(offset);
2686                                 offset += 4;
2687                                 or_mask = RBIOS32(offset);
2688                                 offset += 4;
2689                                 tmp = RREG32(addr);
2690                                 tmp &= and_mask;
2691                                 tmp |= or_mask;
2692                                 WREG32(addr, tmp);
2693                                 break;
2694                         case 3:
2695                                 and_mask = RBIOS32(offset);
2696                                 offset += 4;
2697                                 or_mask = RBIOS32(offset);
2698                                 offset += 4;
2699                                 tmp = RREG32(addr);
2700                                 tmp &= and_mask;
2701                                 tmp |= or_mask;
2702                                 WREG32(addr, tmp);
2703                                 break;
2704                         case 4:
2705                                 val = RBIOS16(offset);
2706                                 offset += 2;
2707                                 udelay(val);
2708                                 break;
2709                         case 5:
2710                                 val = RBIOS16(offset);
2711                                 offset += 2;
2712                                 switch (addr) {
2713                                 case 8:
2714                                         while (val--) {
2715                                                 if (!
2716                                                     (RREG32_PLL
2717                                                      (RADEON_CLK_PWRMGT_CNTL) &
2718                                                      RADEON_MC_BUSY))
2719                                                         break;
2720                                         }
2721                                         break;
2722                                 case 9:
2723                                         while (val--) {
2724                                                 if ((RREG32(RADEON_MC_STATUS) &
2725                                                      RADEON_MC_IDLE))
2726                                                         break;
2727                                         }
2728                                         break;
2729                                 default:
2730                                         break;
2731                                 }
2732                                 break;
2733                         default:
2734                                 break;
2735                         }
2736                 }
2737         }
2738 }
2739
2740 static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset)
2741 {
2742         struct radeon_device *rdev = dev->dev_private;
2743
2744         if (offset) {
2745                 while (RBIOS8(offset)) {
2746                         uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
2747                         uint8_t addr = (RBIOS8(offset) & 0x3f);
2748                         uint32_t val, shift, tmp;
2749                         uint32_t and_mask, or_mask;
2750
2751                         offset++;
2752                         switch (cmd) {
2753                         case 0:
2754                                 val = RBIOS32(offset);
2755                                 offset += 4;
2756                                 WREG32_PLL(addr, val);
2757                                 break;
2758                         case 1:
2759                                 shift = RBIOS8(offset) * 8;
2760                                 offset++;
2761                                 and_mask = RBIOS8(offset) << shift;
2762                                 and_mask |= ~(0xff << shift);
2763                                 offset++;
2764                                 or_mask = RBIOS8(offset) << shift;
2765                                 offset++;
2766                                 tmp = RREG32_PLL(addr);
2767                                 tmp &= and_mask;
2768                                 tmp |= or_mask;
2769                                 WREG32_PLL(addr, tmp);
2770                                 break;
2771                         case 2:
2772                         case 3:
2773                                 tmp = 1000;
2774                                 switch (addr) {
2775                                 case 1:
2776                                         udelay(150);
2777                                         break;
2778                                 case 2:
2779                                         udelay(1000);
2780                                         break;
2781                                 case 3:
2782                                         while (tmp--) {
2783                                                 if (!
2784                                                     (RREG32_PLL
2785                                                      (RADEON_CLK_PWRMGT_CNTL) &
2786                                                      RADEON_MC_BUSY))
2787                                                         break;
2788                                         }
2789                                         break;
2790                                 case 4:
2791                                         while (tmp--) {
2792                                                 if (RREG32_PLL
2793                                                     (RADEON_CLK_PWRMGT_CNTL) &
2794                                                     RADEON_DLL_READY)
2795                                                         break;
2796                                         }
2797                                         break;
2798                                 case 5:
2799                                         tmp =
2800                                             RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
2801                                         if (tmp & RADEON_CG_NO1_DEBUG_0) {
2802 #if 0
2803                                                 uint32_t mclk_cntl =
2804                                                     RREG32_PLL
2805                                                     (RADEON_MCLK_CNTL);
2806                                                 mclk_cntl &= 0xffff0000;
2807                                                 /*mclk_cntl |= 0x00001111;*//* ??? */
2808                                                 WREG32_PLL(RADEON_MCLK_CNTL,
2809                                                            mclk_cntl);
2810                                                 udelay(10000);
2811 #endif
2812                                                 WREG32_PLL
2813                                                     (RADEON_CLK_PWRMGT_CNTL,
2814                                                      tmp &
2815                                                      ~RADEON_CG_NO1_DEBUG_0);
2816                                                 udelay(10000);
2817                                         }
2818                                         break;
2819                                 default:
2820                                         break;
2821                                 }
2822                                 break;
2823                         default:
2824                                 break;
2825                         }
2826                 }
2827         }
2828 }
2829
2830 static void combios_parse_ram_reset_table(struct drm_device *dev,
2831                                           uint16_t offset)
2832 {
2833         struct radeon_device *rdev = dev->dev_private;
2834         uint32_t tmp;
2835
2836         if (offset) {
2837                 uint8_t val = RBIOS8(offset);
2838                 while (val != 0xff) {
2839                         offset++;
2840
2841                         if (val == 0x0f) {
2842                                 uint32_t channel_complete_mask;
2843
2844                                 if (ASIC_IS_R300(rdev))
2845                                         channel_complete_mask =
2846                                             R300_MEM_PWRUP_COMPLETE;
2847                                 else
2848                                         channel_complete_mask =
2849                                             RADEON_MEM_PWRUP_COMPLETE;
2850                                 tmp = 20000;
2851                                 while (tmp--) {
2852                                         if ((RREG32(RADEON_MEM_STR_CNTL) &
2853                                              channel_complete_mask) ==
2854                                             channel_complete_mask)
2855                                                 break;
2856                                 }
2857                         } else {
2858                                 uint32_t or_mask = RBIOS16(offset);
2859                                 offset += 2;
2860
2861                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2862                                 tmp &= RADEON_SDRAM_MODE_MASK;
2863                                 tmp |= or_mask;
2864                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2865
2866                                 or_mask = val << 24;
2867                                 tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
2868                                 tmp &= RADEON_B3MEM_RESET_MASK;
2869                                 tmp |= or_mask;
2870                                 WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
2871                         }
2872                         val = RBIOS8(offset);
2873                 }
2874         }
2875 }
2876
2877 static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
2878                                    int mem_addr_mapping)
2879 {
2880         struct radeon_device *rdev = dev->dev_private;
2881         uint32_t mem_cntl;
2882         uint32_t mem_size;
2883         uint32_t addr = 0;
2884
2885         mem_cntl = RREG32(RADEON_MEM_CNTL);
2886         if (mem_cntl & RV100_HALF_MODE)
2887                 ram /= 2;
2888         mem_size = ram;
2889         mem_cntl &= ~(0xff << 8);
2890         mem_cntl |= (mem_addr_mapping & 0xff) << 8;
2891         WREG32(RADEON_MEM_CNTL, mem_cntl);
2892         RREG32(RADEON_MEM_CNTL);
2893
2894         /* sdram reset ? */
2895
2896         /* something like this????  */
2897         while (ram--) {
2898                 addr = ram * 1024 * 1024;
2899                 /* write to each page */
2900                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2901                 WREG32(RADEON_MM_DATA, 0xdeadbeef);
2902                 /* read back and verify */
2903                 WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
2904                 if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
2905                         return 0;
2906         }
2907
2908         return mem_size;
2909 }
2910
2911 static void combios_write_ram_size(struct drm_device *dev)
2912 {
2913         struct radeon_device *rdev = dev->dev_private;
2914         uint8_t rev;
2915         uint16_t offset;
2916         uint32_t mem_size = 0;
2917         uint32_t mem_cntl = 0;
2918
2919         /* should do something smarter here I guess... */
2920         if (rdev->flags & RADEON_IS_IGP)
2921                 return;
2922
2923         /* first check detected mem table */
2924         offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
2925         if (offset) {
2926                 rev = RBIOS8(offset);
2927                 if (rev < 3) {
2928                         mem_cntl = RBIOS32(offset + 1);
2929                         mem_size = RBIOS16(offset + 5);
2930                         if ((rdev->family < CHIP_R200) &&
2931                             !ASIC_IS_RN50(rdev))
2932                                 WREG32(RADEON_MEM_CNTL, mem_cntl);
2933                 }
2934         }
2935
2936         if (!mem_size) {
2937                 offset =
2938                     combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
2939                 if (offset) {
2940                         rev = RBIOS8(offset - 1);
2941                         if (rev < 1) {
2942                                 if ((rdev->family < CHIP_R200)
2943                                     && !ASIC_IS_RN50(rdev)) {
2944                                         int ram = 0;
2945                                         int mem_addr_mapping = 0;
2946
2947                                         while (RBIOS8(offset)) {
2948                                                 ram = RBIOS8(offset);
2949                                                 mem_addr_mapping =
2950                                                     RBIOS8(offset + 1);
2951                                                 if (mem_addr_mapping != 0x25)
2952                                                         ram *= 2;
2953                                                 mem_size =
2954                                                     combios_detect_ram(dev, ram,
2955                                                                        mem_addr_mapping);
2956                                                 if (mem_size)
2957                                                         break;
2958                                                 offset += 2;
2959                                         }
2960                                 } else
2961                                         mem_size = RBIOS8(offset);
2962                         } else {
2963                                 mem_size = RBIOS8(offset);
2964                                 mem_size *= 2;  /* convert to MB */
2965                         }
2966                 }
2967         }
2968
2969         mem_size *= (1024 * 1024);      /* convert to bytes */
2970         WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
2971 }
2972
2973 void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable)
2974 {
2975         uint16_t dyn_clk_info =
2976             combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
2977
2978         if (dyn_clk_info)
2979                 combios_parse_pll_table(dev, dyn_clk_info);
2980 }
2981
2982 void radeon_combios_asic_init(struct drm_device *dev)
2983 {
2984         struct radeon_device *rdev = dev->dev_private;
2985         uint16_t table;
2986
2987         /* port hardcoded mac stuff from radeonfb */
2988         if (rdev->bios == NULL)
2989                 return;
2990
2991         /* ASIC INIT 1 */
2992         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE);
2993         if (table)
2994                 combios_parse_mmio_table(dev, table);
2995
2996         /* PLL INIT */
2997         table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE);
2998         if (table)
2999                 combios_parse_pll_table(dev, table);
3000
3001         /* ASIC INIT 2 */
3002         table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE);
3003         if (table)
3004                 combios_parse_mmio_table(dev, table);
3005
3006         if (!(rdev->flags & RADEON_IS_IGP)) {
3007                 /* ASIC INIT 4 */
3008                 table =
3009                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE);
3010                 if (table)
3011                         combios_parse_mmio_table(dev, table);
3012
3013                 /* RAM RESET */
3014                 table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE);
3015                 if (table)
3016                         combios_parse_ram_reset_table(dev, table);
3017
3018                 /* ASIC INIT 3 */
3019                 table =
3020                     combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE);
3021                 if (table)
3022                         combios_parse_mmio_table(dev, table);
3023
3024                 /* write CONFIG_MEMSIZE */
3025                 combios_write_ram_size(dev);
3026         }
3027
3028         /* quirk for rs4xx HP nx6125 laptop to make it resume
3029          * - it hangs on resume inside the dynclk 1 table.
3030          */
3031         if (rdev->family == CHIP_RS480 &&
3032             rdev->pdev->subsystem_vendor == 0x103c &&
3033             rdev->pdev->subsystem_device == 0x308b)
3034                 return;
3035
3036         /* quirk for rs4xx HP dv5000 laptop to make it resume
3037          * - it hangs on resume inside the dynclk 1 table.
3038          */
3039         if (rdev->family == CHIP_RS480 &&
3040             rdev->pdev->subsystem_vendor == 0x103c &&
3041             rdev->pdev->subsystem_device == 0x30a4)
3042                 return;
3043
3044         /* DYN CLK 1 */
3045         table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
3046         if (table)
3047                 combios_parse_pll_table(dev, table);
3048
3049 }
3050
3051 void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
3052 {
3053         struct radeon_device *rdev = dev->dev_private;
3054         uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
3055
3056         bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
3057         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3058         bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
3059
3060         /* let the bios control the backlight */
3061         bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
3062
3063         /* tell the bios not to handle mode switching */
3064         bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
3065                            RADEON_ACC_MODE_CHANGE);
3066
3067         /* tell the bios a driver is loaded */
3068         bios_7_scratch |= RADEON_DRV_LOADED;
3069
3070         WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
3071         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3072         WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
3073 }
3074
3075 void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
3076 {
3077         struct drm_device *dev = encoder->dev;
3078         struct radeon_device *rdev = dev->dev_private;
3079         uint32_t bios_6_scratch;
3080
3081         bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3082
3083         if (lock)
3084                 bios_6_scratch |= RADEON_DRIVER_CRITICAL;
3085         else
3086                 bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
3087
3088         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3089 }
3090
3091 void
3092 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
3093                                       struct drm_encoder *encoder,
3094                                       bool connected)
3095 {
3096         struct drm_device *dev = connector->dev;
3097         struct radeon_device *rdev = dev->dev_private;
3098         struct radeon_connector *radeon_connector =
3099             to_radeon_connector(connector);
3100         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3101         uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
3102         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3103
3104         if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
3105             (radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
3106                 if (connected) {
3107                         DRM_DEBUG_KMS("TV1 connected\n");
3108                         /* fix me */
3109                         bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
3110                         /*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
3111                         bios_5_scratch |= RADEON_TV1_ON;
3112                         bios_5_scratch |= RADEON_ACC_REQ_TV1;
3113                 } else {
3114                         DRM_DEBUG_KMS("TV1 disconnected\n");
3115                         bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
3116                         bios_5_scratch &= ~RADEON_TV1_ON;
3117                         bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
3118                 }
3119         }
3120         if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
3121             (radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
3122                 if (connected) {
3123                         DRM_DEBUG_KMS("LCD1 connected\n");
3124                         bios_4_scratch |= RADEON_LCD1_ATTACHED;
3125                         bios_5_scratch |= RADEON_LCD1_ON;
3126                         bios_5_scratch |= RADEON_ACC_REQ_LCD1;
3127                 } else {
3128                         DRM_DEBUG_KMS("LCD1 disconnected\n");
3129                         bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
3130                         bios_5_scratch &= ~RADEON_LCD1_ON;
3131                         bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
3132                 }
3133         }
3134         if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
3135             (radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
3136                 if (connected) {
3137                         DRM_DEBUG_KMS("CRT1 connected\n");
3138                         bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
3139                         bios_5_scratch |= RADEON_CRT1_ON;
3140                         bios_5_scratch |= RADEON_ACC_REQ_CRT1;
3141                 } else {
3142                         DRM_DEBUG_KMS("CRT1 disconnected\n");
3143                         bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
3144                         bios_5_scratch &= ~RADEON_CRT1_ON;
3145                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
3146                 }
3147         }
3148         if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
3149             (radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
3150                 if (connected) {
3151                         DRM_DEBUG_KMS("CRT2 connected\n");
3152                         bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
3153                         bios_5_scratch |= RADEON_CRT2_ON;
3154                         bios_5_scratch |= RADEON_ACC_REQ_CRT2;
3155                 } else {
3156                         DRM_DEBUG_KMS("CRT2 disconnected\n");
3157                         bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
3158                         bios_5_scratch &= ~RADEON_CRT2_ON;
3159                         bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
3160                 }
3161         }
3162         if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
3163             (radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
3164                 if (connected) {
3165                         DRM_DEBUG_KMS("DFP1 connected\n");
3166                         bios_4_scratch |= RADEON_DFP1_ATTACHED;
3167                         bios_5_scratch |= RADEON_DFP1_ON;
3168                         bios_5_scratch |= RADEON_ACC_REQ_DFP1;
3169                 } else {
3170                         DRM_DEBUG_KMS("DFP1 disconnected\n");
3171                         bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
3172                         bios_5_scratch &= ~RADEON_DFP1_ON;
3173                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
3174                 }
3175         }
3176         if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
3177             (radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
3178                 if (connected) {
3179                         DRM_DEBUG_KMS("DFP2 connected\n");
3180                         bios_4_scratch |= RADEON_DFP2_ATTACHED;
3181                         bios_5_scratch |= RADEON_DFP2_ON;
3182                         bios_5_scratch |= RADEON_ACC_REQ_DFP2;
3183                 } else {
3184                         DRM_DEBUG_KMS("DFP2 disconnected\n");
3185                         bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
3186                         bios_5_scratch &= ~RADEON_DFP2_ON;
3187                         bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
3188                 }
3189         }
3190         WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
3191         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3192 }
3193
3194 void
3195 radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
3196 {
3197         struct drm_device *dev = encoder->dev;
3198         struct radeon_device *rdev = dev->dev_private;
3199         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3200         uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
3201
3202         if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
3203                 bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
3204                 bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
3205         }
3206         if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
3207                 bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
3208                 bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
3209         }
3210         if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
3211                 bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
3212                 bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
3213         }
3214         if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
3215                 bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
3216                 bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
3217         }
3218         if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
3219                 bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
3220                 bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
3221         }
3222         if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
3223                 bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
3224                 bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
3225         }
3226         WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
3227 }
3228
3229 void
3230 radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
3231 {
3232         struct drm_device *dev = encoder->dev;
3233         struct radeon_device *rdev = dev->dev_private;
3234         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
3235         uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
3236
3237         if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
3238                 if (on)
3239                         bios_6_scratch |= RADEON_TV_DPMS_ON;
3240                 else
3241                         bios_6_scratch &= ~RADEON_TV_DPMS_ON;
3242         }
3243         if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3244                 if (on)
3245                         bios_6_scratch |= RADEON_CRT_DPMS_ON;
3246                 else
3247                         bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
3248         }
3249         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3250                 if (on)
3251                         bios_6_scratch |= RADEON_LCD_DPMS_ON;
3252                 else
3253                         bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
3254         }
3255         if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
3256                 if (on)
3257                         bios_6_scratch |= RADEON_DFP_DPMS_ON;
3258                 else
3259                         bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
3260         }
3261         WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
3262 }