2 * Copyright © 2006 Intel Corporation
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:
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
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
24 * Eric Anholt <eric@anholt.net>
34 u8 signature
[20]; /**< Always starts with 'VBT$' */
35 u16 version
; /**< decimal */
36 u16 header_size
; /**< in bytes */
37 u16 vbt_size
; /**< in bytes */
40 u32 bdb_offset
; /**< from beginning of VBT */
41 u32 aim_offset
[4]; /**< from beginning of VBT */
42 } __attribute__((packed
));
45 u8 signature
[16]; /**< Always 'BIOS_DATA_BLOCK' */
46 u16 version
; /**< decimal */
47 u16 header_size
; /**< in bytes */
48 u16 bdb_size
; /**< in bytes */
51 /* strictly speaking, this is a "skip" block, but it has interesting info */
53 u8 type
; /* 0 == desktop, 1 == mobile */
58 u8 rsvd2
:6; /* finish byte */
65 u8 rsvd4
; /* popup memory size */
67 u8 rsvd5
; /* is crt already on ddc2 */
68 } __attribute__((packed
));
71 * There are several types of BIOS data blocks (BDBs), each block has
72 * an ID and size in the first 3 bytes (ID in first, size in next 2).
73 * Known types are listed below.
75 #define BDB_GENERAL_FEATURES 1
76 #define BDB_GENERAL_DEFINITIONS 2
77 #define BDB_OLD_TOGGLE_LIST 3
78 #define BDB_MODE_SUPPORT_LIST 4
79 #define BDB_GENERIC_MODE_TABLE 5
80 #define BDB_EXT_MMIO_REGS 6
82 #define BDB_SWF_MMIO 8
83 #define BDB_DOT_CLOCK_TABLE 9
84 #define BDB_MODE_REMOVAL_TABLE 10
85 #define BDB_CHILD_DEVICE_TABLE 11
86 #define BDB_DRIVER_FEATURES 12
87 #define BDB_DRIVER_PERSISTENCE 13
88 #define BDB_EXT_TABLE_PTRS 14
89 #define BDB_DOT_CLOCK_OVERRIDE 15
90 #define BDB_DISPLAY_SELECT 16
92 #define BDB_DRIVER_ROTATION 18
93 #define BDB_DISPLAY_REMOVE 19
94 #define BDB_OEM_CUSTOM 20
95 #define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */
96 #define BDB_SDVO_LVDS_OPTIONS 22
97 #define BDB_SDVO_PANEL_DTDS 23
98 #define BDB_SDVO_LVDS_PNP_IDS 24
99 #define BDB_SDVO_LVDS_POWER_SEQ 25
100 #define BDB_TV_OPTIONS 26
102 #define BDB_LVDS_OPTIONS 40
103 #define BDB_LVDS_LFP_DATA_PTRS 41
104 #define BDB_LVDS_LFP_DATA 42
105 #define BDB_LVDS_BACKLIGHT 43
106 #define BDB_LVDS_POWER 44
107 #define BDB_SKIP 254 /* VBIOS private block, ignore */
109 struct bdb_general_features
{
118 u8 download_ext_vbt
:1;
121 u8 enable_lfp_on_override
:1;
122 u8 disable_ssc_ddt
:1;
123 u8 rsvd8
:3; /* finish byte */
126 u8 disable_smooth_vision
:1;
128 u8 rsvd9
:6; /* finish byte */
131 u8 legacy_monitor_detect
;
134 u8 int_crt_support
:1;
136 u8 rsvd11
:6; /* finish byte */
137 } __attribute__((packed
));
140 #define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
141 #define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
142 #define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
143 #define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
146 #define DEVICE_TYPE_NONE 0x00
147 #define DEVICE_TYPE_CRT 0x01
148 #define DEVICE_TYPE_TV 0x09
149 #define DEVICE_TYPE_EFP 0x12
150 #define DEVICE_TYPE_LFP 0x22
152 #define DEVICE_TYPE_CRT_DPMS 0x6001
153 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
154 #define DEVICE_TYPE_TV_COMPOSITE 0x0209
155 #define DEVICE_TYPE_TV_MACROVISION 0x0289
156 #define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
157 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
158 #define DEVICE_TYPE_TV_SCART 0x0209
159 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
160 #define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
161 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
162 #define DEVICE_TYPE_EFP_DVI_I 0x6053
163 #define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
164 #define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
165 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
166 #define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
167 #define DEVICE_TYPE_LFP_PANELLINK 0x5012
168 #define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
169 #define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
170 #define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
171 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
173 #define DEVICE_CFG_NONE 0x00
174 #define DEVICE_CFG_12BIT_DVOB 0x01
175 #define DEVICE_CFG_12BIT_DVOC 0x02
176 #define DEVICE_CFG_24BIT_DVOBC 0x09
177 #define DEVICE_CFG_24BIT_DVOCB 0x0a
178 #define DEVICE_CFG_DUAL_DVOB 0x11
179 #define DEVICE_CFG_DUAL_DVOC 0x12
180 #define DEVICE_CFG_DUAL_DVOBC 0x13
181 #define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
182 #define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
184 #define DEVICE_WIRE_NONE 0x00
185 #define DEVICE_WIRE_DVOB 0x01
186 #define DEVICE_WIRE_DVOC 0x02
187 #define DEVICE_WIRE_DVOBC 0x03
188 #define DEVICE_WIRE_DVOBB 0x05
189 #define DEVICE_WIRE_DVOCC 0x06
190 #define DEVICE_WIRE_DVOB_MASTER 0x0d
191 #define DEVICE_WIRE_DVOC_MASTER 0x0e
193 #define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
194 #define DEVICE_PORT_DVOB 0x01
195 #define DEVICE_PORT_DVOC 0x02
197 struct child_device_config
{
203 u8 dvo_port
; /* See Device_PORT_* above */
208 u8 dvo_cfg
; /* See DEVICE_CFG_* above */
214 u8 dvo_wiring
;/* See DEVICE_WIRE_* above */
218 } __attribute__((packed
));
220 struct bdb_general_definitions
{
222 u8 crt_ddc_gmbus_pin
;
226 u8 skip_boot_crt_detect
:1;
228 u8 rsvd1
:5; /* finish byte */
230 /* boot device bits */
236 * If TV is present, it'll be at devices[0].
237 * LVDS will be next, either devices[0] or [1], if present.
238 * On some platforms the number of device is 6. But could be as few as
239 * 4 if both TV and LVDS are missing.
240 * And the device num is related with the size of general definition
241 * block. It is obtained by using the following formula:
242 * number = (block_size - sizeof(bdb_general_definitions))/
243 * sizeof(child_device_config);
245 struct child_device_config devices
[0];
246 } __attribute__((packed
));
248 struct bdb_lvds_options
{
251 /* LVDS capabilities, stored in a dword */
253 u8 pfit_text_mode_enhanced
:1;
254 u8 pfit_gfx_mode_enhanced
:1;
255 u8 pfit_ratio_auto
:1;
260 } __attribute__((packed
));
262 /* LFP pointer table contains entries to the struct below */
263 struct bdb_lvds_lfp_data_ptr
{
264 u16 fp_timing_offset
; /* offsets are from start of bdb */
266 u16 dvo_timing_offset
;
268 u16 panel_pnp_id_offset
;
270 } __attribute__((packed
));
272 struct bdb_lvds_lfp_data_ptrs
{
273 u8 lvds_entries
; /* followed by one or more lvds_data_ptr structs */
274 struct bdb_lvds_lfp_data_ptr ptr
[16];
275 } __attribute__((packed
));
277 /* LFP data has 3 blocks per entry */
278 struct lvds_fp_timing
{
288 u32 pp_cycle_reg_val
;
292 } __attribute__((packed
));
294 struct lvds_dvo_timing
{
295 u16 clock
; /**< In 10khz */
305 u8 hsync_pulse_width
;
306 u8 vsync_pulse_width
:4;
320 } __attribute__((packed
));
328 } __attribute__((packed
));
330 struct bdb_lvds_lfp_data_entry
{
331 struct lvds_fp_timing fp_timing
;
332 struct lvds_dvo_timing dvo_timing
;
333 struct lvds_pnp_id pnp_id
;
334 } __attribute__((packed
));
336 struct bdb_lvds_lfp_data
{
337 struct bdb_lvds_lfp_data_entry data
[16];
338 } __attribute__((packed
));
340 struct aimdb_header
{
344 u16 aimdb_header_size
;
346 } __attribute__((packed
));
351 } __attribute__((packed
));
353 struct vch_panel_data
{
354 u16 fp_timing_offset
;
356 u16 dvo_timing_offset
;
358 u16 text_fitting_offset
;
359 u8 text_fitting_size
;
360 u16 graphics_fitting_offset
;
361 u8 graphics_fitting_size
;
362 } __attribute__((packed
));
365 struct aimdb_block aimdb_block
;
366 struct vch_panel_data panels
[16];
367 } __attribute__((packed
));
369 struct bdb_sdvo_lvds_options
{
371 u8 h40_set_panel_type
;
376 u8 sclalarcoeff_tab_row_num
;
377 u8 sclalarcoeff_tab_row_size
;
379 u8 panel_misc_bits_1
;
380 u8 panel_misc_bits_2
;
381 u8 panel_misc_bits_3
;
382 u8 panel_misc_bits_4
;
383 } __attribute__((packed
));
386 #define BDB_DRIVER_FEATURE_NO_LVDS 0
387 #define BDB_DRIVER_FEATURE_INT_LVDS 1
388 #define BDB_DRIVER_FEATURE_SDVO_LVDS 2
389 #define BDB_DRIVER_FEATURE_EDP 3
391 struct bdb_driver_features
{
392 u8 boot_dev_algorithm
:1;
393 u8 block_display_switch
:1;
394 u8 allow_display_switch
:1;
398 u8 sprite_in_clone
:1;
404 u8 boot_mode_refresh
;
406 u16 enable_lfp_primary
:1;
407 u16 selective_mode_pruning
:1;
408 u16 dual_frequency
:1;
409 u16 render_clock_freq
:1; /* 0: high freq; 1: low freq */
410 u16 nt_clone_support
:1;
411 u16 power_scheme_ui
:1; /* 0: CUI; 1: 3rd party */
412 u16 sprite_display_assign
:1; /* 0: secondary; 1: primary */
413 u16 cui_aspect_scaling
:1;
414 u16 preserve_aspect_ratio
:1;
415 u16 sdvo_device_power_down
:1;
423 u16 legacy_crt_max_x
;
424 u16 legacy_crt_max_y
;
425 u8 legacy_crt_max_refresh
;
428 u8 custom_vbt_version
;
429 } __attribute__((packed
));
434 #define EDP_RATE_1_62 0
435 #define EDP_RATE_2_7 1
439 #define EDP_PREEMPHASIS_NONE 0
440 #define EDP_PREEMPHASIS_3_5dB 1
441 #define EDP_PREEMPHASIS_6dB 2
442 #define EDP_PREEMPHASIS_9_5dB 3
443 #define EDP_VSWING_0_4V 0
444 #define EDP_VSWING_0_6V 1
445 #define EDP_VSWING_0_8V 2
446 #define EDP_VSWING_1_2V 3
448 struct edp_power_seq
{
454 } __attribute__ ((packed
));
456 struct edp_link_params
{
461 } __attribute__ ((packed
));
464 struct edp_power_seq power_seqs
[16];
466 u32 sdrrs_msa_timing_delay
;
467 struct edp_link_params link_params
[16];
468 } __attribute__ ((packed
));
470 void intel_setup_bios(struct drm_device
*dev
);
471 bool intel_parse_bios(struct drm_device
*dev
);
474 * Driver<->VBIOS interaction occurs through scratch bits in
478 /* GR18 bits are set on display switch and hotkey events */
479 #define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
480 #define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
481 #define GR18_HK_NONE (0x0<<3)
482 #define GR18_HK_LFP_STRETCH (0x1<<3)
483 #define GR18_HK_TOGGLE_DISP (0x2<<3)
484 #define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
485 #define GR18_HK_POPUP_DISABLED (0x6<<3)
486 #define GR18_HK_POPUP_ENABLED (0x7<<3)
487 #define GR18_HK_PFIT (0x8<<3)
488 #define GR18_HK_APM_CHANGE (0xa<<3)
489 #define GR18_HK_MULTIPLE (0xc<<3)
490 #define GR18_USER_INT_EN (1<<2)
491 #define GR18_A0000_FLUSH_EN (1<<1)
492 #define GR18_SMM_EN (1<<0)
494 /* Set by driver, cleared by VBIOS */
495 #define SWF00_YRES_SHIFT 16
496 #define SWF00_XRES_SHIFT 0
497 #define SWF00_RES_MASK 0xffff
499 /* Set by VBIOS at boot time and driver at runtime */
500 #define SWF01_TV2_FORMAT_SHIFT 8
501 #define SWF01_TV1_FORMAT_SHIFT 0
502 #define SWF01_TV_FORMAT_MASK 0xffff
504 #define SWF10_VBIOS_BLC_I2C_EN (1<<29)
505 #define SWF10_GTT_OVERRIDE_EN (1<<28)
506 #define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
507 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
508 #define SWF10_OLD_TOGGLE 0x0
509 #define SWF10_TOGGLE_LIST_1 0x1
510 #define SWF10_TOGGLE_LIST_2 0x2
511 #define SWF10_TOGGLE_LIST_3 0x3
512 #define SWF10_TOGGLE_LIST_4 0x4
513 #define SWF10_PANNING_EN (1<<23)
514 #define SWF10_DRIVER_LOADED (1<<22)
515 #define SWF10_EXTENDED_DESKTOP (1<<21)
516 #define SWF10_EXCLUSIVE_MODE (1<<20)
517 #define SWF10_OVERLAY_EN (1<<19)
518 #define SWF10_PLANEB_HOLDOFF (1<<18)
519 #define SWF10_PLANEA_HOLDOFF (1<<17)
520 #define SWF10_VGA_HOLDOFF (1<<16)
521 #define SWF10_ACTIVE_DISP_MASK 0xffff
522 #define SWF10_PIPEB_LFP2 (1<<15)
523 #define SWF10_PIPEB_EFP2 (1<<14)
524 #define SWF10_PIPEB_TV2 (1<<13)
525 #define SWF10_PIPEB_CRT2 (1<<12)
526 #define SWF10_PIPEB_LFP (1<<11)
527 #define SWF10_PIPEB_EFP (1<<10)
528 #define SWF10_PIPEB_TV (1<<9)
529 #define SWF10_PIPEB_CRT (1<<8)
530 #define SWF10_PIPEA_LFP2 (1<<7)
531 #define SWF10_PIPEA_EFP2 (1<<6)
532 #define SWF10_PIPEA_TV2 (1<<5)
533 #define SWF10_PIPEA_CRT2 (1<<4)
534 #define SWF10_PIPEA_LFP (1<<3)
535 #define SWF10_PIPEA_EFP (1<<2)
536 #define SWF10_PIPEA_TV (1<<1)
537 #define SWF10_PIPEA_CRT (1<<0)
539 #define SWF11_MEMORY_SIZE_SHIFT 16
540 #define SWF11_SV_TEST_EN (1<<15)
541 #define SWF11_IS_AGP (1<<14)
542 #define SWF11_DISPLAY_HOLDOFF (1<<13)
543 #define SWF11_DPMS_REDUCED (1<<12)
544 #define SWF11_IS_VBE_MODE (1<<11)
545 #define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
546 #define SWF11_DPMS_MASK 0x07
547 #define SWF11_DPMS_OFF (1<<2)
548 #define SWF11_DPMS_SUSPEND (1<<1)
549 #define SWF11_DPMS_STANDBY (1<<0)
550 #define SWF11_DPMS_ON 0
552 #define SWF14_GFX_PFIT_EN (1<<31)
553 #define SWF14_TEXT_PFIT_EN (1<<30)
554 #define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
555 #define SWF14_POPUP_EN (1<<28)
556 #define SWF14_DISPLAY_HOLDOFF (1<<27)
557 #define SWF14_DISP_DETECT_EN (1<<26)
558 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
559 #define SWF14_DRIVER_STATUS (1<<24)
560 #define SWF14_OS_TYPE_WIN9X (1<<23)
561 #define SWF14_OS_TYPE_WINNT (1<<22)
563 #define SWF14_PM_TYPE_MASK 0x00070000
564 #define SWF14_PM_ACPI_VIDEO (0x4 << 16)
565 #define SWF14_PM_ACPI (0x3 << 16)
566 #define SWF14_PM_APM_12 (0x2 << 16)
567 #define SWF14_PM_APM_11 (0x1 << 16)
568 #define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
569 /* if GR18 indicates a display switch */
570 #define SWF14_DS_PIPEB_LFP2_EN (1<<15)
571 #define SWF14_DS_PIPEB_EFP2_EN (1<<14)
572 #define SWF14_DS_PIPEB_TV2_EN (1<<13)
573 #define SWF14_DS_PIPEB_CRT2_EN (1<<12)
574 #define SWF14_DS_PIPEB_LFP_EN (1<<11)
575 #define SWF14_DS_PIPEB_EFP_EN (1<<10)
576 #define SWF14_DS_PIPEB_TV_EN (1<<9)
577 #define SWF14_DS_PIPEB_CRT_EN (1<<8)
578 #define SWF14_DS_PIPEA_LFP2_EN (1<<7)
579 #define SWF14_DS_PIPEA_EFP2_EN (1<<6)
580 #define SWF14_DS_PIPEA_TV2_EN (1<<5)
581 #define SWF14_DS_PIPEA_CRT2_EN (1<<4)
582 #define SWF14_DS_PIPEA_LFP_EN (1<<3)
583 #define SWF14_DS_PIPEA_EFP_EN (1<<2)
584 #define SWF14_DS_PIPEA_TV_EN (1<<1)
585 #define SWF14_DS_PIPEA_CRT_EN (1<<0)
586 /* if GR18 indicates a panel fitting request */
587 #define SWF14_PFIT_EN (1<<0) /* 0 means disable */
588 /* if GR18 indicates an APM change request */
589 #define SWF14_APM_HIBERNATE 0x4
590 #define SWF14_APM_SUSPEND 0x3
591 #define SWF14_APM_STANDBY 0x1
592 #define SWF14_APM_RESTORE 0x0
594 /* Add the device class for LFP, TV, HDMI */
595 #define DEVICE_TYPE_INT_LFP 0x1022
596 #define DEVICE_TYPE_INT_TV 0x1009
597 #define DEVICE_TYPE_HDMI 0x60D2
598 #define DEVICE_TYPE_DP 0x68C6
599 #define DEVICE_TYPE_eDP 0x78C6
601 /* define the DVO port for HDMI output type */
606 /* define the PORT for DP output type */
611 #endif /* _I830_BIOS_H_ */