1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2006 Intel Corporation
6 * Eric Anholt <eric@anholt.net>
10 #define _INTEL_BIOS_H_
15 u8 signature
[20]; /**< Always starts with 'VBT$' */
16 u16 version
; /**< decimal */
17 u16 header_size
; /**< in bytes */
18 u16 vbt_size
; /**< in bytes */
21 u32 bdb_offset
; /**< from beginning of VBT */
22 u32 aim_offset
[4]; /**< from beginning of VBT */
27 u8 signature
[16]; /**< Always 'BIOS_DATA_BLOCK' */
28 u16 version
; /**< decimal */
29 u16 header_size
; /**< in bytes */
30 u16 bdb_size
; /**< in bytes */
33 /* strictly speaking, this is a "skip" block, but it has interesting info */
35 u8 type
; /* 0 == desktop, 1 == mobile */
40 u8 rsvd2
:6; /* finish byte */
47 u8 rsvd4
; /* popup memory size */
49 u8 rsvd5
; /* is crt already on ddc2 */
53 * There are several types of BIOS data blocks (BDBs), each block has
54 * an ID and size in the first 3 bytes (ID in first, size in next 2).
55 * Known types are listed below.
57 #define BDB_GENERAL_FEATURES 1
58 #define BDB_GENERAL_DEFINITIONS 2
59 #define BDB_OLD_TOGGLE_LIST 3
60 #define BDB_MODE_SUPPORT_LIST 4
61 #define BDB_GENERIC_MODE_TABLE 5
62 #define BDB_EXT_MMIO_REGS 6
64 #define BDB_SWF_MMIO 8
65 #define BDB_DOT_CLOCK_TABLE 9
66 #define BDB_MODE_REMOVAL_TABLE 10
67 #define BDB_CHILD_DEVICE_TABLE 11
68 #define BDB_DRIVER_FEATURES 12
69 #define BDB_DRIVER_PERSISTENCE 13
70 #define BDB_EXT_TABLE_PTRS 14
71 #define BDB_DOT_CLOCK_OVERRIDE 15
72 #define BDB_DISPLAY_SELECT 16
74 #define BDB_DRIVER_ROTATION 18
75 #define BDB_DISPLAY_REMOVE 19
76 #define BDB_OEM_CUSTOM 20
77 #define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */
78 #define BDB_SDVO_LVDS_OPTIONS 22
79 #define BDB_SDVO_PANEL_DTDS 23
80 #define BDB_SDVO_LVDS_PNP_IDS 24
81 #define BDB_SDVO_LVDS_POWER_SEQ 25
82 #define BDB_TV_OPTIONS 26
84 #define BDB_LVDS_OPTIONS 40
85 #define BDB_LVDS_LFP_DATA_PTRS 41
86 #define BDB_LVDS_LFP_DATA 42
87 #define BDB_LVDS_BACKLIGHT 43
88 #define BDB_LVDS_POWER 44
89 #define BDB_SKIP 254 /* VBIOS private block, ignore */
91 struct bdb_general_features
{
100 u8 download_ext_vbt
:1;
103 u8 enable_lfp_on_override
:1;
104 u8 disable_ssc_ddt
:1;
105 u8 rsvd8
:3; /* finish byte */
108 u8 disable_smooth_vision
:1;
110 u8 rsvd9
:6; /* finish byte */
113 u8 legacy_monitor_detect
;
116 u8 int_crt_support
:1;
118 u8 int_efp_support
:1;
119 u8 dp_ssc_enb
:1; /* PCH attached eDP supports SSC */
120 u8 dp_ssc_freq
:1; /* SSC freq for PCH attached eDP */
121 u8 rsvd11
:3; /* finish byte */
125 #define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
126 #define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
127 #define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
128 #define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
131 #define DEVICE_TYPE_NONE 0x00
132 #define DEVICE_TYPE_CRT 0x01
133 #define DEVICE_TYPE_TV 0x09
134 #define DEVICE_TYPE_EFP 0x12
135 #define DEVICE_TYPE_LFP 0x22
137 #define DEVICE_TYPE_CRT_DPMS 0x6001
138 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
139 #define DEVICE_TYPE_TV_COMPOSITE 0x0209
140 #define DEVICE_TYPE_TV_MACROVISION 0x0289
141 #define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
142 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
143 #define DEVICE_TYPE_TV_SCART 0x0209
144 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
145 #define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
146 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
147 #define DEVICE_TYPE_EFP_DVI_I 0x6053
148 #define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
149 #define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
150 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
151 #define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
152 #define DEVICE_TYPE_LFP_PANELLINK 0x5012
153 #define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
154 #define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
155 #define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
156 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
158 #define DEVICE_CFG_NONE 0x00
159 #define DEVICE_CFG_12BIT_DVOB 0x01
160 #define DEVICE_CFG_12BIT_DVOC 0x02
161 #define DEVICE_CFG_24BIT_DVOBC 0x09
162 #define DEVICE_CFG_24BIT_DVOCB 0x0a
163 #define DEVICE_CFG_DUAL_DVOB 0x11
164 #define DEVICE_CFG_DUAL_DVOC 0x12
165 #define DEVICE_CFG_DUAL_DVOBC 0x13
166 #define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
167 #define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
169 #define DEVICE_WIRE_NONE 0x00
170 #define DEVICE_WIRE_DVOB 0x01
171 #define DEVICE_WIRE_DVOC 0x02
172 #define DEVICE_WIRE_DVOBC 0x03
173 #define DEVICE_WIRE_DVOBB 0x05
174 #define DEVICE_WIRE_DVOCC 0x06
175 #define DEVICE_WIRE_DVOB_MASTER 0x0d
176 #define DEVICE_WIRE_DVOC_MASTER 0x0e
178 #define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
179 #define DEVICE_PORT_DVOB 0x01
180 #define DEVICE_PORT_DVOC 0x02
182 struct child_device_config
{
185 u8 device_id
[10]; /* ascii string */
187 u8 dvo_port
; /* See Device_PORT_* above */
192 u8 dvo_cfg
; /* See DEVICE_CFG_* above */
198 u8 dvo_wiring
;/* See DEVICE_WIRE_* above */
205 struct bdb_general_definitions
{
207 u8 crt_ddc_gmbus_pin
;
211 u8 skip_boot_crt_detect
:1;
213 u8 rsvd1
:5; /* finish byte */
215 /* boot device bits */
221 * If TV is present, it'll be at devices[0].
222 * LVDS will be next, either devices[0] or [1], if present.
223 * On some platforms the number of device is 6. But could be as few as
224 * 4 if both TV and LVDS are missing.
225 * And the device num is related with the size of general definition
226 * block. It is obtained by using the following formula:
227 * number = (block_size - sizeof(bdb_general_definitions))/
228 * sizeof(child_device_config);
230 struct child_device_config devices
[];
233 struct bdb_lvds_options
{
236 /* LVDS capabilities, stored in a dword */
238 u8 pfit_text_mode_enhanced
:1;
239 u8 pfit_gfx_mode_enhanced
:1;
240 u8 pfit_ratio_auto
:1;
247 struct bdb_lvds_backlight
{
259 /* LFP pointer table contains entries to the struct below */
260 struct bdb_lvds_lfp_data_ptr
{
261 u16 fp_timing_offset
; /* offsets are from start of bdb */
263 u16 dvo_timing_offset
;
265 u16 panel_pnp_id_offset
;
269 struct bdb_lvds_lfp_data_ptrs
{
270 u8 lvds_entries
; /* followed by one or more lvds_data_ptr structs */
271 struct bdb_lvds_lfp_data_ptr ptr
[16];
274 /* LFP data has 3 blocks per entry */
275 struct lvds_fp_timing
{
285 u32 pp_cycle_reg_val
;
291 struct lvds_dvo_timing
{
292 u16 clock
; /**< In 10khz */
302 u8 hsync_pulse_width
;
303 u8 vsync_pulse_width
:4;
327 struct bdb_lvds_lfp_data_entry
{
328 struct lvds_fp_timing fp_timing
;
329 struct lvds_dvo_timing dvo_timing
;
330 struct lvds_pnp_id pnp_id
;
333 struct bdb_lvds_lfp_data
{
334 struct bdb_lvds_lfp_data_entry data
[16];
337 struct aimdb_header
{
341 u16 aimdb_header_size
;
350 struct vch_panel_data
{
351 u16 fp_timing_offset
;
353 u16 dvo_timing_offset
;
355 u16 text_fitting_offset
;
356 u8 text_fitting_size
;
357 u16 graphics_fitting_offset
;
358 u8 graphics_fitting_size
;
362 struct aimdb_block aimdb_block
;
363 struct vch_panel_data panels
[16];
366 struct bdb_sdvo_lvds_options
{
368 u8 h40_set_panel_type
;
373 u8 sclalarcoeff_tab_row_num
;
374 u8 sclalarcoeff_tab_row_size
;
376 u8 panel_misc_bits_1
;
377 u8 panel_misc_bits_2
;
378 u8 panel_misc_bits_3
;
379 u8 panel_misc_bits_4
;
382 #define BDB_DRIVER_FEATURE_NO_LVDS 0
383 #define BDB_DRIVER_FEATURE_INT_LVDS 1
384 #define BDB_DRIVER_FEATURE_SDVO_LVDS 2
385 #define BDB_DRIVER_FEATURE_EDP 3
387 struct bdb_driver_features
{
388 u8 boot_dev_algorithm
:1;
389 u8 block_display_switch
:1;
390 u8 allow_display_switch
:1;
394 u8 sprite_in_clone
:1;
400 u8 boot_mode_refresh
;
402 u16 enable_lfp_primary
:1;
403 u16 selective_mode_pruning
:1;
404 u16 dual_frequency
:1;
405 u16 render_clock_freq
:1; /* 0: high freq; 1: low freq */
406 u16 nt_clone_support
:1;
407 u16 power_scheme_ui
:1; /* 0: CUI; 1: 3rd party */
408 u16 sprite_display_assign
:1; /* 0: secondary; 1: primary */
409 u16 cui_aspect_scaling
:1;
410 u16 preserve_aspect_ratio
:1;
411 u16 sdvo_device_power_down
:1;
419 u16 legacy_crt_max_x
;
420 u16 legacy_crt_max_y
;
421 u8 legacy_crt_max_refresh
;
424 u8 custom_vbt_version
;
430 #define EDP_RATE_1_62 0
431 #define EDP_RATE_2_7 1
435 #define EDP_PREEMPHASIS_NONE 0
436 #define EDP_PREEMPHASIS_3_5dB 1
437 #define EDP_PREEMPHASIS_6dB 2
438 #define EDP_PREEMPHASIS_9_5dB 3
439 #define EDP_VSWING_0_4V 0
440 #define EDP_VSWING_0_6V 1
441 #define EDP_VSWING_0_8V 2
442 #define EDP_VSWING_1_2V 3
444 struct edp_power_seq
{
450 } __attribute__ ((packed
));
452 struct edp_link_params
{
457 } __attribute__ ((packed
));
460 struct edp_power_seq power_seqs
[16];
462 u32 sdrrs_msa_timing_delay
;
463 struct edp_link_params link_params
[16];
464 } __attribute__ ((packed
));
466 extern int psb_intel_init_bios(struct drm_device
*dev
);
467 extern void psb_intel_destroy_bios(struct drm_device
*dev
);
470 * Driver<->VBIOS interaction occurs through scratch bits in
474 /* GR18 bits are set on display switch and hotkey events */
475 #define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
476 #define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
477 #define GR18_HK_NONE (0x0<<3)
478 #define GR18_HK_LFP_STRETCH (0x1<<3)
479 #define GR18_HK_TOGGLE_DISP (0x2<<3)
480 #define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
481 #define GR18_HK_POPUP_DISABLED (0x6<<3)
482 #define GR18_HK_POPUP_ENABLED (0x7<<3)
483 #define GR18_HK_PFIT (0x8<<3)
484 #define GR18_HK_APM_CHANGE (0xa<<3)
485 #define GR18_HK_MULTIPLE (0xc<<3)
486 #define GR18_USER_INT_EN (1<<2)
487 #define GR18_A0000_FLUSH_EN (1<<1)
488 #define GR18_SMM_EN (1<<0)
490 /* Set by driver, cleared by VBIOS */
491 #define SWF00_YRES_SHIFT 16
492 #define SWF00_XRES_SHIFT 0
493 #define SWF00_RES_MASK 0xffff
495 /* Set by VBIOS at boot time and driver at runtime */
496 #define SWF01_TV2_FORMAT_SHIFT 8
497 #define SWF01_TV1_FORMAT_SHIFT 0
498 #define SWF01_TV_FORMAT_MASK 0xffff
500 #define SWF10_VBIOS_BLC_I2C_EN (1<<29)
501 #define SWF10_GTT_OVERRIDE_EN (1<<28)
502 #define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
503 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
504 #define SWF10_OLD_TOGGLE 0x0
505 #define SWF10_TOGGLE_LIST_1 0x1
506 #define SWF10_TOGGLE_LIST_2 0x2
507 #define SWF10_TOGGLE_LIST_3 0x3
508 #define SWF10_TOGGLE_LIST_4 0x4
509 #define SWF10_PANNING_EN (1<<23)
510 #define SWF10_DRIVER_LOADED (1<<22)
511 #define SWF10_EXTENDED_DESKTOP (1<<21)
512 #define SWF10_EXCLUSIVE_MODE (1<<20)
513 #define SWF10_OVERLAY_EN (1<<19)
514 #define SWF10_PLANEB_HOLDOFF (1<<18)
515 #define SWF10_PLANEA_HOLDOFF (1<<17)
516 #define SWF10_VGA_HOLDOFF (1<<16)
517 #define SWF10_ACTIVE_DISP_MASK 0xffff
518 #define SWF10_PIPEB_LFP2 (1<<15)
519 #define SWF10_PIPEB_EFP2 (1<<14)
520 #define SWF10_PIPEB_TV2 (1<<13)
521 #define SWF10_PIPEB_CRT2 (1<<12)
522 #define SWF10_PIPEB_LFP (1<<11)
523 #define SWF10_PIPEB_EFP (1<<10)
524 #define SWF10_PIPEB_TV (1<<9)
525 #define SWF10_PIPEB_CRT (1<<8)
526 #define SWF10_PIPEA_LFP2 (1<<7)
527 #define SWF10_PIPEA_EFP2 (1<<6)
528 #define SWF10_PIPEA_TV2 (1<<5)
529 #define SWF10_PIPEA_CRT2 (1<<4)
530 #define SWF10_PIPEA_LFP (1<<3)
531 #define SWF10_PIPEA_EFP (1<<2)
532 #define SWF10_PIPEA_TV (1<<1)
533 #define SWF10_PIPEA_CRT (1<<0)
535 #define SWF11_MEMORY_SIZE_SHIFT 16
536 #define SWF11_SV_TEST_EN (1<<15)
537 #define SWF11_IS_AGP (1<<14)
538 #define SWF11_DISPLAY_HOLDOFF (1<<13)
539 #define SWF11_DPMS_REDUCED (1<<12)
540 #define SWF11_IS_VBE_MODE (1<<11)
541 #define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
542 #define SWF11_DPMS_MASK 0x07
543 #define SWF11_DPMS_OFF (1<<2)
544 #define SWF11_DPMS_SUSPEND (1<<1)
545 #define SWF11_DPMS_STANDBY (1<<0)
546 #define SWF11_DPMS_ON 0
548 #define SWF14_GFX_PFIT_EN (1<<31)
549 #define SWF14_TEXT_PFIT_EN (1<<30)
550 #define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
551 #define SWF14_POPUP_EN (1<<28)
552 #define SWF14_DISPLAY_HOLDOFF (1<<27)
553 #define SWF14_DISP_DETECT_EN (1<<26)
554 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
555 #define SWF14_DRIVER_STATUS (1<<24)
556 #define SWF14_OS_TYPE_WIN9X (1<<23)
557 #define SWF14_OS_TYPE_WINNT (1<<22)
559 #define SWF14_PM_TYPE_MASK 0x00070000
560 #define SWF14_PM_ACPI_VIDEO (0x4 << 16)
561 #define SWF14_PM_ACPI (0x3 << 16)
562 #define SWF14_PM_APM_12 (0x2 << 16)
563 #define SWF14_PM_APM_11 (0x1 << 16)
564 #define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
565 /* if GR18 indicates a display switch */
566 #define SWF14_DS_PIPEB_LFP2_EN (1<<15)
567 #define SWF14_DS_PIPEB_EFP2_EN (1<<14)
568 #define SWF14_DS_PIPEB_TV2_EN (1<<13)
569 #define SWF14_DS_PIPEB_CRT2_EN (1<<12)
570 #define SWF14_DS_PIPEB_LFP_EN (1<<11)
571 #define SWF14_DS_PIPEB_EFP_EN (1<<10)
572 #define SWF14_DS_PIPEB_TV_EN (1<<9)
573 #define SWF14_DS_PIPEB_CRT_EN (1<<8)
574 #define SWF14_DS_PIPEA_LFP2_EN (1<<7)
575 #define SWF14_DS_PIPEA_EFP2_EN (1<<6)
576 #define SWF14_DS_PIPEA_TV2_EN (1<<5)
577 #define SWF14_DS_PIPEA_CRT2_EN (1<<4)
578 #define SWF14_DS_PIPEA_LFP_EN (1<<3)
579 #define SWF14_DS_PIPEA_EFP_EN (1<<2)
580 #define SWF14_DS_PIPEA_TV_EN (1<<1)
581 #define SWF14_DS_PIPEA_CRT_EN (1<<0)
582 /* if GR18 indicates a panel fitting request */
583 #define SWF14_PFIT_EN (1<<0) /* 0 means disable */
584 /* if GR18 indicates an APM change request */
585 #define SWF14_APM_HIBERNATE 0x4
586 #define SWF14_APM_SUSPEND 0x3
587 #define SWF14_APM_STANDBY 0x1
588 #define SWF14_APM_RESTORE 0x0
590 /* Add the device class for LFP, TV, HDMI */
591 #define DEVICE_TYPE_INT_LFP 0x1022
592 #define DEVICE_TYPE_INT_TV 0x1009
593 #define DEVICE_TYPE_HDMI 0x60D2
594 #define DEVICE_TYPE_DP 0x68C6
595 #define DEVICE_TYPE_eDP 0x78C6
597 /* define the DVO port for HDMI output type */
602 /* define the PORT for DP output type */
607 #endif /* _INTEL_BIOS_H_ */