1 /* 2 * Copyright © 2006-2016 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Eric Anholt <eric@anholt.net> 25 * 26 */ 27 28 /* 29 * This information is private to VBT parsing in intel_bios.c. 30 * 31 * Please do NOT include anywhere else. 32 */ 33 #ifndef _INTEL_BIOS_PRIVATE 34 #error "intel_vbt_defs.h is private to intel_bios.c" 35 #endif 36 37 #ifndef _INTEL_VBT_DEFS_H_ 38 #define _INTEL_VBT_DEFS_H_ 39 40 #include "intel_bios.h" 41 42 /** 43 * struct vbt_header - VBT Header structure 44 * @signature: VBT signature, always starts with "$VBT" 45 * @version: Version of this structure 46 * @header_size: Size of this structure 47 * @vbt_size: Size of VBT (VBT Header, BDB Header and data blocks) 48 * @vbt_checksum: Checksum 49 * @reserved0: Reserved 50 * @bdb_offset: Offset of &struct bdb_header from beginning of VBT 51 * @aim_offset: Offsets of add-in data blocks from beginning of VBT 52 */ 53 struct vbt_header { 54 u8 signature[20]; 55 u16 version; 56 u16 header_size; 57 u16 vbt_size; 58 u8 vbt_checksum; 59 u8 reserved0; 60 u32 bdb_offset; 61 u32 aim_offset[4]; 62 } __packed; 63 64 /** 65 * struct bdb_header - BDB Header structure 66 * @signature: BDB signature "BIOS_DATA_BLOCK" 67 * @version: Version of the data block definitions 68 * @header_size: Size of this structure 69 * @bdb_size: Size of BDB (BDB Header and data blocks) 70 */ 71 struct bdb_header { 72 u8 signature[16]; 73 u16 version; 74 u16 header_size; 75 u16 bdb_size; 76 } __packed; 77 78 /* strictly speaking, this is a "skip" block, but it has interesting info */ 79 struct vbios_data { 80 u8 type; /* 0 == desktop, 1 == mobile */ 81 u8 relstage; 82 u8 chipset; 83 u8 lvds_present:1; 84 u8 tv_present:1; 85 u8 rsvd2:6; /* finish byte */ 86 u8 rsvd3[4]; 87 u8 signon[155]; 88 u8 copyright[61]; 89 u16 code_segment; 90 u8 dos_boot_mode; 91 u8 bandwidth_percent; 92 u8 rsvd4; /* popup memory size */ 93 u8 resize_pci_bios; 94 u8 rsvd5; /* is crt already on ddc2 */ 95 } __packed; 96 97 /* 98 * There are several types of BIOS data blocks (BDBs), each block has 99 * an ID and size in the first 3 bytes (ID in first, size in next 2). 100 * Known types are listed below. 101 */ 102 #define BDB_GENERAL_FEATURES 1 103 #define BDB_GENERAL_DEFINITIONS 2 104 #define BDB_OLD_TOGGLE_LIST 3 105 #define BDB_MODE_SUPPORT_LIST 4 106 #define BDB_GENERIC_MODE_TABLE 5 107 #define BDB_EXT_MMIO_REGS 6 108 #define BDB_SWF_IO 7 109 #define BDB_SWF_MMIO 8 110 #define BDB_PSR 9 111 #define BDB_MODE_REMOVAL_TABLE 10 112 #define BDB_CHILD_DEVICE_TABLE 11 113 #define BDB_DRIVER_FEATURES 12 114 #define BDB_DRIVER_PERSISTENCE 13 115 #define BDB_EXT_TABLE_PTRS 14 116 #define BDB_DOT_CLOCK_OVERRIDE 15 117 #define BDB_DISPLAY_SELECT 16 118 /* 17 rsvd */ 119 #define BDB_DRIVER_ROTATION 18 120 #define BDB_DISPLAY_REMOVE 19 121 #define BDB_OEM_CUSTOM 20 122 #define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */ 123 #define BDB_SDVO_LVDS_OPTIONS 22 124 #define BDB_SDVO_PANEL_DTDS 23 125 #define BDB_SDVO_LVDS_PNP_IDS 24 126 #define BDB_SDVO_LVDS_POWER_SEQ 25 127 #define BDB_TV_OPTIONS 26 128 #define BDB_EDP 27 129 #define BDB_LVDS_OPTIONS 40 130 #define BDB_LVDS_LFP_DATA_PTRS 41 131 #define BDB_LVDS_LFP_DATA 42 132 #define BDB_LVDS_BACKLIGHT 43 133 #define BDB_LVDS_POWER 44 134 #define BDB_MIPI_CONFIG 52 135 #define BDB_MIPI_SEQUENCE 53 136 #define BDB_SKIP 254 /* VBIOS private block, ignore */ 137 138 struct bdb_general_features { 139 /* bits 1 */ 140 u8 panel_fitting:2; 141 u8 flexaim:1; 142 u8 msg_enable:1; 143 u8 clear_screen:3; 144 u8 color_flip:1; 145 146 /* bits 2 */ 147 u8 download_ext_vbt:1; 148 u8 enable_ssc:1; 149 u8 ssc_freq:1; 150 u8 enable_lfp_on_override:1; 151 u8 disable_ssc_ddt:1; 152 u8 underscan_vga_timings:1; 153 u8 display_clock_mode:1; 154 u8 vbios_hotplug_support:1; 155 156 /* bits 3 */ 157 u8 disable_smooth_vision:1; 158 u8 single_dvi:1; 159 u8 rotate_180:1; /* 181 */ 160 u8 fdi_rx_polarity_inverted:1; 161 u8 vbios_extended_mode:1; /* 160 */ 162 u8 copy_ilfp_dtd_to_sdvo_lvds_dtd:1; /* 160 */ 163 u8 panel_best_fit_timing:1; /* 160 */ 164 u8 ignore_strap_state:1; /* 160 */ 165 166 /* bits 4 */ 167 u8 legacy_monitor_detect; 168 169 /* bits 5 */ 170 u8 int_crt_support:1; 171 u8 int_tv_support:1; 172 u8 int_efp_support:1; 173 u8 dp_ssc_enable:1; /* PCH attached eDP supports SSC */ 174 u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */ 175 u8 dp_ssc_dongle_supported:1; 176 u8 rsvd11:2; /* finish byte */ 177 } __packed; 178 179 /* pre-915 */ 180 #define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */ 181 #define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */ 182 #define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */ 183 #define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */ 184 185 /* Pre 915 */ 186 #define DEVICE_TYPE_NONE 0x00 187 #define DEVICE_TYPE_CRT 0x01 188 #define DEVICE_TYPE_TV 0x09 189 #define DEVICE_TYPE_EFP 0x12 190 #define DEVICE_TYPE_LFP 0x22 191 /* On 915+ */ 192 #define DEVICE_TYPE_CRT_DPMS 0x6001 193 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001 194 #define DEVICE_TYPE_TV_COMPOSITE 0x0209 195 #define DEVICE_TYPE_TV_MACROVISION 0x0289 196 #define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c 197 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609 198 #define DEVICE_TYPE_TV_SCART 0x0209 199 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009 200 #define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012 201 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052 202 #define DEVICE_TYPE_EFP_DVI_I 0x6053 203 #define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152 204 #define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2 205 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062 206 #define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162 207 #define DEVICE_TYPE_LFP_PANELLINK 0x5012 208 #define DEVICE_TYPE_LFP_CMOS_PWR 0x5042 209 #define DEVICE_TYPE_LFP_LVDS_PWR 0x5062 210 #define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162 211 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2 212 213 /* Add the device class for LFP, TV, HDMI */ 214 #define DEVICE_TYPE_INT_LFP 0x1022 215 #define DEVICE_TYPE_INT_TV 0x1009 216 #define DEVICE_TYPE_HDMI 0x60D2 217 #define DEVICE_TYPE_DP 0x68C6 218 #define DEVICE_TYPE_DP_DUAL_MODE 0x60D6 219 #define DEVICE_TYPE_eDP 0x78C6 220 221 #define DEVICE_TYPE_CLASS_EXTENSION (1 << 15) 222 #define DEVICE_TYPE_POWER_MANAGEMENT (1 << 14) 223 #define DEVICE_TYPE_HOTPLUG_SIGNALING (1 << 13) 224 #define DEVICE_TYPE_INTERNAL_CONNECTOR (1 << 12) 225 #define DEVICE_TYPE_NOT_HDMI_OUTPUT (1 << 11) 226 #define DEVICE_TYPE_MIPI_OUTPUT (1 << 10) 227 #define DEVICE_TYPE_COMPOSITE_OUTPUT (1 << 9) 228 #define DEVICE_TYPE_DUAL_CHANNEL (1 << 8) 229 #define DEVICE_TYPE_HIGH_SPEED_LINK (1 << 6) 230 #define DEVICE_TYPE_LVDS_SINGALING (1 << 5) 231 #define DEVICE_TYPE_TMDS_DVI_SIGNALING (1 << 4) 232 #define DEVICE_TYPE_VIDEO_SIGNALING (1 << 3) 233 #define DEVICE_TYPE_DISPLAYPORT_OUTPUT (1 << 2) 234 #define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1) 235 #define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0) 236 237 /* 238 * Bits we care about when checking for DEVICE_TYPE_eDP. Depending on the 239 * system, the other bits may or may not be set for eDP outputs. 240 */ 241 #define DEVICE_TYPE_eDP_BITS \ 242 (DEVICE_TYPE_INTERNAL_CONNECTOR | \ 243 DEVICE_TYPE_MIPI_OUTPUT | \ 244 DEVICE_TYPE_COMPOSITE_OUTPUT | \ 245 DEVICE_TYPE_DUAL_CHANNEL | \ 246 DEVICE_TYPE_LVDS_SINGALING | \ 247 DEVICE_TYPE_TMDS_DVI_SIGNALING | \ 248 DEVICE_TYPE_VIDEO_SIGNALING | \ 249 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \ 250 DEVICE_TYPE_ANALOG_OUTPUT) 251 252 #define DEVICE_TYPE_DP_DUAL_MODE_BITS \ 253 (DEVICE_TYPE_INTERNAL_CONNECTOR | \ 254 DEVICE_TYPE_MIPI_OUTPUT | \ 255 DEVICE_TYPE_COMPOSITE_OUTPUT | \ 256 DEVICE_TYPE_LVDS_SINGALING | \ 257 DEVICE_TYPE_TMDS_DVI_SIGNALING | \ 258 DEVICE_TYPE_VIDEO_SIGNALING | \ 259 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \ 260 DEVICE_TYPE_DIGITAL_OUTPUT | \ 261 DEVICE_TYPE_ANALOG_OUTPUT) 262 263 #define DEVICE_CFG_NONE 0x00 264 #define DEVICE_CFG_12BIT_DVOB 0x01 265 #define DEVICE_CFG_12BIT_DVOC 0x02 266 #define DEVICE_CFG_24BIT_DVOBC 0x09 267 #define DEVICE_CFG_24BIT_DVOCB 0x0a 268 #define DEVICE_CFG_DUAL_DVOB 0x11 269 #define DEVICE_CFG_DUAL_DVOC 0x12 270 #define DEVICE_CFG_DUAL_DVOBC 0x13 271 #define DEVICE_CFG_DUAL_LINK_DVOBC 0x19 272 #define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a 273 274 #define DEVICE_WIRE_NONE 0x00 275 #define DEVICE_WIRE_DVOB 0x01 276 #define DEVICE_WIRE_DVOC 0x02 277 #define DEVICE_WIRE_DVOBC 0x03 278 #define DEVICE_WIRE_DVOBB 0x05 279 #define DEVICE_WIRE_DVOCC 0x06 280 #define DEVICE_WIRE_DVOB_MASTER 0x0d 281 #define DEVICE_WIRE_DVOC_MASTER 0x0e 282 283 /* dvo_port pre BDB 155 */ 284 #define DEVICE_PORT_DVOA 0x00 /* none on 845+ */ 285 #define DEVICE_PORT_DVOB 0x01 286 #define DEVICE_PORT_DVOC 0x02 287 288 /* dvo_port BDB 155+ */ 289 #define DVO_PORT_HDMIA 0 290 #define DVO_PORT_HDMIB 1 291 #define DVO_PORT_HDMIC 2 292 #define DVO_PORT_HDMID 3 293 #define DVO_PORT_LVDS 4 294 #define DVO_PORT_TV 5 295 #define DVO_PORT_CRT 6 296 #define DVO_PORT_DPB 7 297 #define DVO_PORT_DPC 8 298 #define DVO_PORT_DPD 9 299 #define DVO_PORT_DPA 10 300 #define DVO_PORT_DPE 11 /* 193 */ 301 #define DVO_PORT_HDMIE 12 /* 193 */ 302 #define DVO_PORT_MIPIA 21 /* 171 */ 303 #define DVO_PORT_MIPIB 22 /* 171 */ 304 #define DVO_PORT_MIPIC 23 /* 171 */ 305 #define DVO_PORT_MIPID 24 /* 171 */ 306 307 #define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33 308 309 /* DDC Bus DDI Type 155+ */ 310 enum vbt_gmbus_ddi { 311 DDC_BUS_DDI_B = 0x1, 312 DDC_BUS_DDI_C, 313 DDC_BUS_DDI_D, 314 DDC_BUS_DDI_F, 315 }; 316 317 /* 318 * The child device config, aka the display device data structure, provides a 319 * description of a port and its configuration on the platform. 320 * 321 * The child device config size has been increased, and fields have been added 322 * and their meaning has changed over time. Care must be taken when accessing 323 * basically any of the fields to ensure the correct interpretation for the BDB 324 * version in question. 325 * 326 * When we copy the child device configs to dev_priv->vbt.child_dev, we reserve 327 * space for the full structure below, and initialize the tail not actually 328 * present in VBT to zeros. Accessing those fields is fine, as long as the 329 * default zero is taken into account, again according to the BDB version. 330 * 331 * BDB versions 155 and below are considered legacy, and version 155 seems to be 332 * a baseline for some of the VBT documentation. When adding new fields, please 333 * include the BDB version when the field was added, if it's above that. 334 */ 335 struct child_device_config { 336 u16 handle; 337 u16 device_type; /* See DEVICE_TYPE_* above */ 338 339 union { 340 u8 device_id[10]; /* ascii string */ 341 struct { 342 u8 i2c_speed; 343 u8 dp_onboard_redriver; /* 158 */ 344 u8 dp_ondock_redriver; /* 158 */ 345 u8 hdmi_level_shifter_value:4; /* 169 */ 346 u8 hdmi_max_data_rate:4; /* 204 */ 347 u16 dtd_buf_ptr; /* 161 */ 348 u8 edidless_efp:1; /* 161 */ 349 u8 compression_enable:1; /* 198 */ 350 u8 compression_method:1; /* 198 */ 351 u8 ganged_edp:1; /* 202 */ 352 u8 reserved0:4; 353 u8 compression_structure_index:4; /* 198 */ 354 u8 reserved1:4; 355 u8 slave_port; /* 202 */ 356 u8 reserved2; 357 } __packed; 358 } __packed; 359 360 u16 addin_offset; 361 u8 dvo_port; /* See DEVICE_PORT_* and DVO_PORT_* above */ 362 u8 i2c_pin; 363 u8 slave_addr; 364 u8 ddc_pin; 365 u16 edid_ptr; 366 u8 dvo_cfg; /* See DEVICE_CFG_* above */ 367 368 union { 369 struct { 370 u8 dvo2_port; 371 u8 i2c2_pin; 372 u8 slave2_addr; 373 u8 ddc2_pin; 374 } __packed; 375 struct { 376 u8 efp_routed:1; /* 158 */ 377 u8 lane_reversal:1; /* 184 */ 378 u8 lspcon:1; /* 192 */ 379 u8 iboost:1; /* 196 */ 380 u8 hpd_invert:1; /* 196 */ 381 u8 flag_reserved:3; 382 u8 hdmi_support:1; /* 158 */ 383 u8 dp_support:1; /* 158 */ 384 u8 tmds_support:1; /* 158 */ 385 u8 support_reserved:5; 386 u8 aux_channel; 387 u8 dongle_detect; 388 } __packed; 389 } __packed; 390 391 u8 pipe_cap:2; 392 u8 sdvo_stall:1; /* 158 */ 393 u8 hpd_status:2; 394 u8 integrated_encoder:1; 395 u8 capabilities_reserved:2; 396 u8 dvo_wiring; /* See DEVICE_WIRE_* above */ 397 398 union { 399 u8 dvo2_wiring; 400 u8 mipi_bridge_type; /* 171 */ 401 } __packed; 402 403 u16 extended_type; 404 u8 dvo_function; 405 u8 dp_usb_type_c:1; /* 195 */ 406 u8 flags2_reserved:7; /* 195 */ 407 u8 dp_gpio_index; /* 195 */ 408 u16 dp_gpio_pin_num; /* 195 */ 409 u8 dp_iboost_level:4; /* 196 */ 410 u8 hdmi_iboost_level:4; /* 196 */ 411 } __packed; 412 413 struct bdb_general_definitions { 414 /* DDC GPIO */ 415 u8 crt_ddc_gmbus_pin; 416 417 /* DPMS bits */ 418 u8 dpms_acpi:1; 419 u8 skip_boot_crt_detect:1; 420 u8 dpms_aim:1; 421 u8 rsvd1:5; /* finish byte */ 422 423 /* boot device bits */ 424 u8 boot_display[2]; 425 u8 child_dev_size; 426 427 /* 428 * Device info: 429 * If TV is present, it'll be at devices[0]. 430 * LVDS will be next, either devices[0] or [1], if present. 431 * On some platforms the number of device is 6. But could be as few as 432 * 4 if both TV and LVDS are missing. 433 * And the device num is related with the size of general definition 434 * block. It is obtained by using the following formula: 435 * number = (block_size - sizeof(bdb_general_definitions))/ 436 * defs->child_dev_size; 437 */ 438 uint8_t devices[0]; 439 } __packed; 440 441 /* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */ 442 #define MODE_MASK 0x3 443 444 struct bdb_lvds_options { 445 u8 panel_type; 446 u8 rsvd1; 447 /* LVDS capabilities, stored in a dword */ 448 u8 pfit_mode:2; 449 u8 pfit_text_mode_enhanced:1; 450 u8 pfit_gfx_mode_enhanced:1; 451 u8 pfit_ratio_auto:1; 452 u8 pixel_dither:1; 453 u8 lvds_edid:1; 454 u8 rsvd2:1; 455 u8 rsvd4; 456 /* LVDS Panel channel bits stored here */ 457 u32 lvds_panel_channel_bits; 458 /* LVDS SSC (Spread Spectrum Clock) bits stored here. */ 459 u16 ssc_bits; 460 u16 ssc_freq; 461 u16 ssc_ddt; 462 /* Panel color depth defined here */ 463 u16 panel_color_depth; 464 /* LVDS panel type bits stored here */ 465 u32 dps_panel_type_bits; 466 /* LVDS backlight control type bits stored here */ 467 u32 blt_control_type_bits; 468 } __packed; 469 470 /* LFP pointer table contains entries to the struct below */ 471 struct bdb_lvds_lfp_data_ptr { 472 u16 fp_timing_offset; /* offsets are from start of bdb */ 473 u8 fp_table_size; 474 u16 dvo_timing_offset; 475 u8 dvo_table_size; 476 u16 panel_pnp_id_offset; 477 u8 pnp_table_size; 478 } __packed; 479 480 struct bdb_lvds_lfp_data_ptrs { 481 u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */ 482 struct bdb_lvds_lfp_data_ptr ptr[16]; 483 } __packed; 484 485 /* LFP data has 3 blocks per entry */ 486 struct lvds_fp_timing { 487 u16 x_res; 488 u16 y_res; 489 u32 lvds_reg; 490 u32 lvds_reg_val; 491 u32 pp_on_reg; 492 u32 pp_on_reg_val; 493 u32 pp_off_reg; 494 u32 pp_off_reg_val; 495 u32 pp_cycle_reg; 496 u32 pp_cycle_reg_val; 497 u32 pfit_reg; 498 u32 pfit_reg_val; 499 u16 terminator; 500 } __packed; 501 502 struct lvds_dvo_timing { 503 u16 clock; /**< In 10khz */ 504 u8 hactive_lo; 505 u8 hblank_lo; 506 u8 hblank_hi:4; 507 u8 hactive_hi:4; 508 u8 vactive_lo; 509 u8 vblank_lo; 510 u8 vblank_hi:4; 511 u8 vactive_hi:4; 512 u8 hsync_off_lo; 513 u8 hsync_pulse_width_lo; 514 u8 vsync_pulse_width_lo:4; 515 u8 vsync_off_lo:4; 516 u8 vsync_pulse_width_hi:2; 517 u8 vsync_off_hi:2; 518 u8 hsync_pulse_width_hi:2; 519 u8 hsync_off_hi:2; 520 u8 himage_lo; 521 u8 vimage_lo; 522 u8 vimage_hi:4; 523 u8 himage_hi:4; 524 u8 h_border; 525 u8 v_border; 526 u8 rsvd1:3; 527 u8 digital:2; 528 u8 vsync_positive:1; 529 u8 hsync_positive:1; 530 u8 non_interlaced:1; 531 } __packed; 532 533 struct lvds_pnp_id { 534 u16 mfg_name; 535 u16 product_code; 536 u32 serial; 537 u8 mfg_week; 538 u8 mfg_year; 539 } __packed; 540 541 struct bdb_lvds_lfp_data_entry { 542 struct lvds_fp_timing fp_timing; 543 struct lvds_dvo_timing dvo_timing; 544 struct lvds_pnp_id pnp_id; 545 } __packed; 546 547 struct bdb_lvds_lfp_data { 548 struct bdb_lvds_lfp_data_entry data[16]; 549 } __packed; 550 551 #define BDB_BACKLIGHT_TYPE_NONE 0 552 #define BDB_BACKLIGHT_TYPE_PWM 2 553 554 struct bdb_lfp_backlight_data_entry { 555 u8 type:2; 556 u8 active_low_pwm:1; 557 u8 obsolete1:5; 558 u16 pwm_freq_hz; 559 u8 min_brightness; 560 u8 obsolete2; 561 u8 obsolete3; 562 } __packed; 563 564 struct bdb_lfp_backlight_control_method { 565 u8 type:4; 566 u8 controller:4; 567 } __packed; 568 569 struct bdb_lfp_backlight_data { 570 u8 entry_size; 571 struct bdb_lfp_backlight_data_entry data[16]; 572 u8 level[16]; 573 struct bdb_lfp_backlight_control_method backlight_control[16]; 574 } __packed; 575 576 struct aimdb_header { 577 char signature[16]; 578 char oem_device[20]; 579 u16 aimdb_version; 580 u16 aimdb_header_size; 581 u16 aimdb_size; 582 } __packed; 583 584 struct aimdb_block { 585 u8 aimdb_id; 586 u16 aimdb_size; 587 } __packed; 588 589 struct vch_panel_data { 590 u16 fp_timing_offset; 591 u8 fp_timing_size; 592 u16 dvo_timing_offset; 593 u8 dvo_timing_size; 594 u16 text_fitting_offset; 595 u8 text_fitting_size; 596 u16 graphics_fitting_offset; 597 u8 graphics_fitting_size; 598 } __packed; 599 600 struct vch_bdb_22 { 601 struct aimdb_block aimdb_block; 602 struct vch_panel_data panels[16]; 603 } __packed; 604 605 struct bdb_sdvo_lvds_options { 606 u8 panel_backlight; 607 u8 h40_set_panel_type; 608 u8 panel_type; 609 u8 ssc_clk_freq; 610 u16 als_low_trip; 611 u16 als_high_trip; 612 u8 sclalarcoeff_tab_row_num; 613 u8 sclalarcoeff_tab_row_size; 614 u8 coefficient[8]; 615 u8 panel_misc_bits_1; 616 u8 panel_misc_bits_2; 617 u8 panel_misc_bits_3; 618 u8 panel_misc_bits_4; 619 } __packed; 620 621 622 #define BDB_DRIVER_FEATURE_NO_LVDS 0 623 #define BDB_DRIVER_FEATURE_INT_LVDS 1 624 #define BDB_DRIVER_FEATURE_SDVO_LVDS 2 625 #define BDB_DRIVER_FEATURE_EDP 3 626 627 struct bdb_driver_features { 628 u8 boot_dev_algorithm:1; 629 u8 block_display_switch:1; 630 u8 allow_display_switch:1; 631 u8 hotplug_dvo:1; 632 u8 dual_view_zoom:1; 633 u8 int15h_hook:1; 634 u8 sprite_in_clone:1; 635 u8 primary_lfp_id:1; 636 637 u16 boot_mode_x; 638 u16 boot_mode_y; 639 u8 boot_mode_bpp; 640 u8 boot_mode_refresh; 641 642 u16 enable_lfp_primary:1; 643 u16 selective_mode_pruning:1; 644 u16 dual_frequency:1; 645 u16 render_clock_freq:1; /* 0: high freq; 1: low freq */ 646 u16 nt_clone_support:1; 647 u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */ 648 u16 sprite_display_assign:1; /* 0: secondary; 1: primary */ 649 u16 cui_aspect_scaling:1; 650 u16 preserve_aspect_ratio:1; 651 u16 sdvo_device_power_down:1; 652 u16 crt_hotplug:1; 653 u16 lvds_config:2; 654 u16 tv_hotplug:1; 655 u16 hdmi_config:2; 656 657 u8 static_display:1; 658 u8 reserved2:7; 659 u16 legacy_crt_max_x; 660 u16 legacy_crt_max_y; 661 u8 legacy_crt_max_refresh; 662 663 u8 hdmi_termination; 664 u8 custom_vbt_version; 665 /* Driver features data block */ 666 u16 rmpm_enabled:1; 667 u16 s2ddt_enabled:1; 668 u16 dpst_enabled:1; 669 u16 bltclt_enabled:1; 670 u16 adb_enabled:1; 671 u16 drrs_enabled:1; 672 u16 grs_enabled:1; 673 u16 gpmt_enabled:1; 674 u16 tbt_enabled:1; 675 u16 psr_enabled:1; 676 u16 ips_enabled:1; 677 u16 reserved3:4; 678 u16 pc_feature_valid:1; 679 } __packed; 680 681 #define EDP_18BPP 0 682 #define EDP_24BPP 1 683 #define EDP_30BPP 2 684 #define EDP_RATE_1_62 0 685 #define EDP_RATE_2_7 1 686 #define EDP_LANE_1 0 687 #define EDP_LANE_2 1 688 #define EDP_LANE_4 3 689 #define EDP_PREEMPHASIS_NONE 0 690 #define EDP_PREEMPHASIS_3_5dB 1 691 #define EDP_PREEMPHASIS_6dB 2 692 #define EDP_PREEMPHASIS_9_5dB 3 693 #define EDP_VSWING_0_4V 0 694 #define EDP_VSWING_0_6V 1 695 #define EDP_VSWING_0_8V 2 696 #define EDP_VSWING_1_2V 3 697 698 699 struct edp_fast_link_params { 700 u8 rate:4; 701 u8 lanes:4; 702 u8 preemphasis:4; 703 u8 vswing:4; 704 } __packed; 705 706 struct edp_pwm_delays { 707 u16 pwm_on_to_backlight_enable; 708 u16 backlight_disable_to_pwm_off; 709 } __packed; 710 711 struct edp_full_link_params { 712 u8 preemphasis:4; 713 u8 vswing:4; 714 } __packed; 715 716 struct bdb_edp { 717 struct edp_power_seq power_seqs[16]; 718 u32 color_depth; 719 struct edp_fast_link_params fast_link_params[16]; 720 u32 sdrrs_msa_timing_delay; 721 722 /* ith bit indicates enabled/disabled for (i+1)th panel */ 723 u16 edp_s3d_feature; /* 162 */ 724 u16 edp_t3_optimization; /* 165 */ 725 u64 edp_vswing_preemph; /* 173 */ 726 u16 fast_link_training; /* 182 */ 727 u16 dpcd_600h_write_required; /* 185 */ 728 struct edp_pwm_delays pwm_delays[16]; /* 186 */ 729 u16 full_link_params_provided; /* 199 */ 730 struct edp_full_link_params full_link_params[16]; /* 199 */ 731 } __packed; 732 733 struct psr_table { 734 /* Feature bits */ 735 u8 full_link:1; 736 u8 require_aux_to_wakeup:1; 737 u8 feature_bits_rsvd:6; 738 739 /* Wait times */ 740 u8 idle_frames:4; 741 u8 lines_to_wait:3; 742 u8 wait_times_rsvd:1; 743 744 /* TP wake up time in multiple of 100 */ 745 u16 tp1_wakeup_time; 746 u16 tp2_tp3_wakeup_time; 747 } __packed; 748 749 struct bdb_psr { 750 struct psr_table psr_table[16]; 751 } __packed; 752 753 /* 754 * Driver<->VBIOS interaction occurs through scratch bits in 755 * GR18 & SWF*. 756 */ 757 758 /* GR18 bits are set on display switch and hotkey events */ 759 #define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */ 760 #define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */ 761 #define GR18_HK_NONE (0x0<<3) 762 #define GR18_HK_LFP_STRETCH (0x1<<3) 763 #define GR18_HK_TOGGLE_DISP (0x2<<3) 764 #define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */ 765 #define GR18_HK_POPUP_DISABLED (0x6<<3) 766 #define GR18_HK_POPUP_ENABLED (0x7<<3) 767 #define GR18_HK_PFIT (0x8<<3) 768 #define GR18_HK_APM_CHANGE (0xa<<3) 769 #define GR18_HK_MULTIPLE (0xc<<3) 770 #define GR18_USER_INT_EN (1<<2) 771 #define GR18_A0000_FLUSH_EN (1<<1) 772 #define GR18_SMM_EN (1<<0) 773 774 /* Set by driver, cleared by VBIOS */ 775 #define SWF00_YRES_SHIFT 16 776 #define SWF00_XRES_SHIFT 0 777 #define SWF00_RES_MASK 0xffff 778 779 /* Set by VBIOS at boot time and driver at runtime */ 780 #define SWF01_TV2_FORMAT_SHIFT 8 781 #define SWF01_TV1_FORMAT_SHIFT 0 782 #define SWF01_TV_FORMAT_MASK 0xffff 783 784 #define SWF10_VBIOS_BLC_I2C_EN (1<<29) 785 #define SWF10_GTT_OVERRIDE_EN (1<<28) 786 #define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */ 787 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24) 788 #define SWF10_OLD_TOGGLE 0x0 789 #define SWF10_TOGGLE_LIST_1 0x1 790 #define SWF10_TOGGLE_LIST_2 0x2 791 #define SWF10_TOGGLE_LIST_3 0x3 792 #define SWF10_TOGGLE_LIST_4 0x4 793 #define SWF10_PANNING_EN (1<<23) 794 #define SWF10_DRIVER_LOADED (1<<22) 795 #define SWF10_EXTENDED_DESKTOP (1<<21) 796 #define SWF10_EXCLUSIVE_MODE (1<<20) 797 #define SWF10_OVERLAY_EN (1<<19) 798 #define SWF10_PLANEB_HOLDOFF (1<<18) 799 #define SWF10_PLANEA_HOLDOFF (1<<17) 800 #define SWF10_VGA_HOLDOFF (1<<16) 801 #define SWF10_ACTIVE_DISP_MASK 0xffff 802 #define SWF10_PIPEB_LFP2 (1<<15) 803 #define SWF10_PIPEB_EFP2 (1<<14) 804 #define SWF10_PIPEB_TV2 (1<<13) 805 #define SWF10_PIPEB_CRT2 (1<<12) 806 #define SWF10_PIPEB_LFP (1<<11) 807 #define SWF10_PIPEB_EFP (1<<10) 808 #define SWF10_PIPEB_TV (1<<9) 809 #define SWF10_PIPEB_CRT (1<<8) 810 #define SWF10_PIPEA_LFP2 (1<<7) 811 #define SWF10_PIPEA_EFP2 (1<<6) 812 #define SWF10_PIPEA_TV2 (1<<5) 813 #define SWF10_PIPEA_CRT2 (1<<4) 814 #define SWF10_PIPEA_LFP (1<<3) 815 #define SWF10_PIPEA_EFP (1<<2) 816 #define SWF10_PIPEA_TV (1<<1) 817 #define SWF10_PIPEA_CRT (1<<0) 818 819 #define SWF11_MEMORY_SIZE_SHIFT 16 820 #define SWF11_SV_TEST_EN (1<<15) 821 #define SWF11_IS_AGP (1<<14) 822 #define SWF11_DISPLAY_HOLDOFF (1<<13) 823 #define SWF11_DPMS_REDUCED (1<<12) 824 #define SWF11_IS_VBE_MODE (1<<11) 825 #define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */ 826 #define SWF11_DPMS_MASK 0x07 827 #define SWF11_DPMS_OFF (1<<2) 828 #define SWF11_DPMS_SUSPEND (1<<1) 829 #define SWF11_DPMS_STANDBY (1<<0) 830 #define SWF11_DPMS_ON 0 831 832 #define SWF14_GFX_PFIT_EN (1<<31) 833 #define SWF14_TEXT_PFIT_EN (1<<30) 834 #define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */ 835 #define SWF14_POPUP_EN (1<<28) 836 #define SWF14_DISPLAY_HOLDOFF (1<<27) 837 #define SWF14_DISP_DETECT_EN (1<<26) 838 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */ 839 #define SWF14_DRIVER_STATUS (1<<24) 840 #define SWF14_OS_TYPE_WIN9X (1<<23) 841 #define SWF14_OS_TYPE_WINNT (1<<22) 842 /* 21:19 rsvd */ 843 #define SWF14_PM_TYPE_MASK 0x00070000 844 #define SWF14_PM_ACPI_VIDEO (0x4 << 16) 845 #define SWF14_PM_ACPI (0x3 << 16) 846 #define SWF14_PM_APM_12 (0x2 << 16) 847 #define SWF14_PM_APM_11 (0x1 << 16) 848 #define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */ 849 /* if GR18 indicates a display switch */ 850 #define SWF14_DS_PIPEB_LFP2_EN (1<<15) 851 #define SWF14_DS_PIPEB_EFP2_EN (1<<14) 852 #define SWF14_DS_PIPEB_TV2_EN (1<<13) 853 #define SWF14_DS_PIPEB_CRT2_EN (1<<12) 854 #define SWF14_DS_PIPEB_LFP_EN (1<<11) 855 #define SWF14_DS_PIPEB_EFP_EN (1<<10) 856 #define SWF14_DS_PIPEB_TV_EN (1<<9) 857 #define SWF14_DS_PIPEB_CRT_EN (1<<8) 858 #define SWF14_DS_PIPEA_LFP2_EN (1<<7) 859 #define SWF14_DS_PIPEA_EFP2_EN (1<<6) 860 #define SWF14_DS_PIPEA_TV2_EN (1<<5) 861 #define SWF14_DS_PIPEA_CRT2_EN (1<<4) 862 #define SWF14_DS_PIPEA_LFP_EN (1<<3) 863 #define SWF14_DS_PIPEA_EFP_EN (1<<2) 864 #define SWF14_DS_PIPEA_TV_EN (1<<1) 865 #define SWF14_DS_PIPEA_CRT_EN (1<<0) 866 /* if GR18 indicates a panel fitting request */ 867 #define SWF14_PFIT_EN (1<<0) /* 0 means disable */ 868 /* if GR18 indicates an APM change request */ 869 #define SWF14_APM_HIBERNATE 0x4 870 #define SWF14_APM_SUSPEND 0x3 871 #define SWF14_APM_STANDBY 0x1 872 #define SWF14_APM_RESTORE 0x0 873 874 /* Block 52 contains MIPI configuration block 875 * 6 * bdb_mipi_config, followed by 6 pps data block 876 * block below 877 */ 878 #define MAX_MIPI_CONFIGURATIONS 6 879 880 struct bdb_mipi_config { 881 struct mipi_config config[MAX_MIPI_CONFIGURATIONS]; 882 struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS]; 883 } __packed; 884 885 /* Block 53 contains MIPI sequences as needed by the panel 886 * for enabling it. This block can be variable in size and 887 * can be maximum of 6 blocks 888 */ 889 struct bdb_mipi_sequence { 890 u8 version; 891 u8 data[0]; 892 } __packed; 893 894 enum mipi_gpio_pin_index { 895 MIPI_GPIO_UNDEFINED = 0, 896 MIPI_GPIO_PANEL_ENABLE, 897 MIPI_GPIO_BL_ENABLE, 898 MIPI_GPIO_PWM_ENABLE, 899 MIPI_GPIO_RESET_N, 900 MIPI_GPIO_PWR_DOWN_R, 901 MIPI_GPIO_STDBY_RST_N, 902 MIPI_GPIO_MAX 903 }; 904 905 #endif /* _INTEL_VBT_DEFS_H_ */ 906