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;
124 u8 display_clock_mode
:1;
125 u8 rsvd8
:1; /* finish byte */
128 u8 disable_smooth_vision
:1;
130 u8 rsvd9
:6; /* finish byte */
133 u8 legacy_monitor_detect
;
136 u8 int_crt_support
:1;
138 u8 int_efp_support
:1;
139 u8 dp_ssc_enb
:1; /* PCH attached eDP supports SSC */
140 u8 dp_ssc_freq
:1; /* SSC freq for PCH attached eDP */
141 u8 rsvd11
:3; /* finish byte */
142 } __attribute__((packed
));
145 #define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
146 #define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
147 #define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
148 #define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
151 #define DEVICE_TYPE_NONE 0x00
152 #define DEVICE_TYPE_CRT 0x01
153 #define DEVICE_TYPE_TV 0x09
154 #define DEVICE_TYPE_EFP 0x12
155 #define DEVICE_TYPE_LFP 0x22
157 #define DEVICE_TYPE_CRT_DPMS 0x6001
158 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
159 #define DEVICE_TYPE_TV_COMPOSITE 0x0209
160 #define DEVICE_TYPE_TV_MACROVISION 0x0289
161 #define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
162 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
163 #define DEVICE_TYPE_TV_SCART 0x0209
164 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
165 #define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
166 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
167 #define DEVICE_TYPE_EFP_DVI_I 0x6053
168 #define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
169 #define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
170 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
171 #define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
172 #define DEVICE_TYPE_LFP_PANELLINK 0x5012
173 #define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
174 #define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
175 #define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
176 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
178 #define DEVICE_CFG_NONE 0x00
179 #define DEVICE_CFG_12BIT_DVOB 0x01
180 #define DEVICE_CFG_12BIT_DVOC 0x02
181 #define DEVICE_CFG_24BIT_DVOBC 0x09
182 #define DEVICE_CFG_24BIT_DVOCB 0x0a
183 #define DEVICE_CFG_DUAL_DVOB 0x11
184 #define DEVICE_CFG_DUAL_DVOC 0x12
185 #define DEVICE_CFG_DUAL_DVOBC 0x13
186 #define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
187 #define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
189 #define DEVICE_WIRE_NONE 0x00
190 #define DEVICE_WIRE_DVOB 0x01
191 #define DEVICE_WIRE_DVOC 0x02
192 #define DEVICE_WIRE_DVOBC 0x03
193 #define DEVICE_WIRE_DVOBB 0x05
194 #define DEVICE_WIRE_DVOCC 0x06
195 #define DEVICE_WIRE_DVOB_MASTER 0x0d
196 #define DEVICE_WIRE_DVOC_MASTER 0x0e
198 #define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
199 #define DEVICE_PORT_DVOB 0x01
200 #define DEVICE_PORT_DVOC 0x02
202 struct child_device_config
{
205 u8 device_id
[10]; /* ascii string */
207 u8 dvo_port
; /* See Device_PORT_* above */
212 u8 dvo_cfg
; /* See DEVICE_CFG_* above */
218 u8 dvo_wiring
;/* See DEVICE_WIRE_* above */
222 } __attribute__((packed
));
224 struct bdb_general_definitions
{
226 u8 crt_ddc_gmbus_pin
;
230 u8 skip_boot_crt_detect
:1;
232 u8 rsvd1
:5; /* finish byte */
234 /* boot device bits */
240 * If TV is present, it'll be at devices[0].
241 * LVDS will be next, either devices[0] or [1], if present.
242 * On some platforms the number of device is 6. But could be as few as
243 * 4 if both TV and LVDS are missing.
244 * And the device num is related with the size of general definition
245 * block. It is obtained by using the following formula:
246 * number = (block_size - sizeof(bdb_general_definitions))/
247 * sizeof(child_device_config);
249 struct child_device_config devices
[0];
250 } __attribute__((packed
));
252 struct bdb_lvds_options
{
255 /* LVDS capabilities, stored in a dword */
257 u8 pfit_text_mode_enhanced
:1;
258 u8 pfit_gfx_mode_enhanced
:1;
259 u8 pfit_ratio_auto
:1;
264 } __attribute__((packed
));
266 /* LFP pointer table contains entries to the struct below */
267 struct bdb_lvds_lfp_data_ptr
{
268 u16 fp_timing_offset
; /* offsets are from start of bdb */
270 u16 dvo_timing_offset
;
272 u16 panel_pnp_id_offset
;
274 } __attribute__((packed
));
276 struct bdb_lvds_lfp_data_ptrs
{
277 u8 lvds_entries
; /* followed by one or more lvds_data_ptr structs */
278 struct bdb_lvds_lfp_data_ptr ptr
[16];
279 } __attribute__((packed
));
281 /* LFP data has 3 blocks per entry */
282 struct lvds_fp_timing
{
292 u32 pp_cycle_reg_val
;
296 } __attribute__((packed
));
298 struct lvds_dvo_timing
{
299 u16 clock
; /**< In 10khz */
309 u8 hsync_pulse_width
;
310 u8 vsync_pulse_width
:4;
324 } __attribute__((packed
));
332 } __attribute__((packed
));
334 struct bdb_lvds_lfp_data_entry
{
335 struct lvds_fp_timing fp_timing
;
336 struct lvds_dvo_timing dvo_timing
;
337 struct lvds_pnp_id pnp_id
;
338 } __attribute__((packed
));
340 struct bdb_lvds_lfp_data
{
341 struct bdb_lvds_lfp_data_entry data
[16];
342 } __attribute__((packed
));
344 struct aimdb_header
{
348 u16 aimdb_header_size
;
350 } __attribute__((packed
));
355 } __attribute__((packed
));
357 struct vch_panel_data
{
358 u16 fp_timing_offset
;
360 u16 dvo_timing_offset
;
362 u16 text_fitting_offset
;
363 u8 text_fitting_size
;
364 u16 graphics_fitting_offset
;
365 u8 graphics_fitting_size
;
366 } __attribute__((packed
));
369 struct aimdb_block aimdb_block
;
370 struct vch_panel_data panels
[16];
371 } __attribute__((packed
));
373 struct bdb_sdvo_lvds_options
{
375 u8 h40_set_panel_type
;
380 u8 sclalarcoeff_tab_row_num
;
381 u8 sclalarcoeff_tab_row_size
;
383 u8 panel_misc_bits_1
;
384 u8 panel_misc_bits_2
;
385 u8 panel_misc_bits_3
;
386 u8 panel_misc_bits_4
;
387 } __attribute__((packed
));
390 #define BDB_DRIVER_FEATURE_NO_LVDS 0
391 #define BDB_DRIVER_FEATURE_INT_LVDS 1
392 #define BDB_DRIVER_FEATURE_SDVO_LVDS 2
393 #define BDB_DRIVER_FEATURE_EDP 3
395 struct bdb_driver_features
{
396 u8 boot_dev_algorithm
:1;
397 u8 block_display_switch
:1;
398 u8 allow_display_switch
:1;
402 u8 sprite_in_clone
:1;
408 u8 boot_mode_refresh
;
410 u16 enable_lfp_primary
:1;
411 u16 selective_mode_pruning
:1;
412 u16 dual_frequency
:1;
413 u16 render_clock_freq
:1; /* 0: high freq; 1: low freq */
414 u16 nt_clone_support
:1;
415 u16 power_scheme_ui
:1; /* 0: CUI; 1: 3rd party */
416 u16 sprite_display_assign
:1; /* 0: secondary; 1: primary */
417 u16 cui_aspect_scaling
:1;
418 u16 preserve_aspect_ratio
:1;
419 u16 sdvo_device_power_down
:1;
427 u16 legacy_crt_max_x
;
428 u16 legacy_crt_max_y
;
429 u8 legacy_crt_max_refresh
;
432 u8 custom_vbt_version
;
433 } __attribute__((packed
));
438 #define EDP_RATE_1_62 0
439 #define EDP_RATE_2_7 1
443 #define EDP_PREEMPHASIS_NONE 0
444 #define EDP_PREEMPHASIS_3_5dB 1
445 #define EDP_PREEMPHASIS_6dB 2
446 #define EDP_PREEMPHASIS_9_5dB 3
447 #define EDP_VSWING_0_4V 0
448 #define EDP_VSWING_0_6V 1
449 #define EDP_VSWING_0_8V 2
450 #define EDP_VSWING_1_2V 3
452 struct edp_power_seq
{
458 } __attribute__ ((packed
));
460 struct edp_link_params
{
465 } __attribute__ ((packed
));
468 struct edp_power_seq power_seqs
[16];
470 struct edp_link_params link_params
[16];
471 u32 sdrrs_msa_timing_delay
;
473 /* ith bit indicates enabled/disabled for (i+1)th panel */
475 u16 edp_t3_optimization
;
476 } __attribute__ ((packed
));
478 void intel_setup_bios(struct drm_device
*dev
);
479 bool intel_parse_bios(struct drm_device
*dev
);
482 * Driver<->VBIOS interaction occurs through scratch bits in
486 /* GR18 bits are set on display switch and hotkey events */
487 #define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
488 #define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
489 #define GR18_HK_NONE (0x0<<3)
490 #define GR18_HK_LFP_STRETCH (0x1<<3)
491 #define GR18_HK_TOGGLE_DISP (0x2<<3)
492 #define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
493 #define GR18_HK_POPUP_DISABLED (0x6<<3)
494 #define GR18_HK_POPUP_ENABLED (0x7<<3)
495 #define GR18_HK_PFIT (0x8<<3)
496 #define GR18_HK_APM_CHANGE (0xa<<3)
497 #define GR18_HK_MULTIPLE (0xc<<3)
498 #define GR18_USER_INT_EN (1<<2)
499 #define GR18_A0000_FLUSH_EN (1<<1)
500 #define GR18_SMM_EN (1<<0)
502 /* Set by driver, cleared by VBIOS */
503 #define SWF00_YRES_SHIFT 16
504 #define SWF00_XRES_SHIFT 0
505 #define SWF00_RES_MASK 0xffff
507 /* Set by VBIOS at boot time and driver at runtime */
508 #define SWF01_TV2_FORMAT_SHIFT 8
509 #define SWF01_TV1_FORMAT_SHIFT 0
510 #define SWF01_TV_FORMAT_MASK 0xffff
512 #define SWF10_VBIOS_BLC_I2C_EN (1<<29)
513 #define SWF10_GTT_OVERRIDE_EN (1<<28)
514 #define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
515 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
516 #define SWF10_OLD_TOGGLE 0x0
517 #define SWF10_TOGGLE_LIST_1 0x1
518 #define SWF10_TOGGLE_LIST_2 0x2
519 #define SWF10_TOGGLE_LIST_3 0x3
520 #define SWF10_TOGGLE_LIST_4 0x4
521 #define SWF10_PANNING_EN (1<<23)
522 #define SWF10_DRIVER_LOADED (1<<22)
523 #define SWF10_EXTENDED_DESKTOP (1<<21)
524 #define SWF10_EXCLUSIVE_MODE (1<<20)
525 #define SWF10_OVERLAY_EN (1<<19)
526 #define SWF10_PLANEB_HOLDOFF (1<<18)
527 #define SWF10_PLANEA_HOLDOFF (1<<17)
528 #define SWF10_VGA_HOLDOFF (1<<16)
529 #define SWF10_ACTIVE_DISP_MASK 0xffff
530 #define SWF10_PIPEB_LFP2 (1<<15)
531 #define SWF10_PIPEB_EFP2 (1<<14)
532 #define SWF10_PIPEB_TV2 (1<<13)
533 #define SWF10_PIPEB_CRT2 (1<<12)
534 #define SWF10_PIPEB_LFP (1<<11)
535 #define SWF10_PIPEB_EFP (1<<10)
536 #define SWF10_PIPEB_TV (1<<9)
537 #define SWF10_PIPEB_CRT (1<<8)
538 #define SWF10_PIPEA_LFP2 (1<<7)
539 #define SWF10_PIPEA_EFP2 (1<<6)
540 #define SWF10_PIPEA_TV2 (1<<5)
541 #define SWF10_PIPEA_CRT2 (1<<4)
542 #define SWF10_PIPEA_LFP (1<<3)
543 #define SWF10_PIPEA_EFP (1<<2)
544 #define SWF10_PIPEA_TV (1<<1)
545 #define SWF10_PIPEA_CRT (1<<0)
547 #define SWF11_MEMORY_SIZE_SHIFT 16
548 #define SWF11_SV_TEST_EN (1<<15)
549 #define SWF11_IS_AGP (1<<14)
550 #define SWF11_DISPLAY_HOLDOFF (1<<13)
551 #define SWF11_DPMS_REDUCED (1<<12)
552 #define SWF11_IS_VBE_MODE (1<<11)
553 #define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
554 #define SWF11_DPMS_MASK 0x07
555 #define SWF11_DPMS_OFF (1<<2)
556 #define SWF11_DPMS_SUSPEND (1<<1)
557 #define SWF11_DPMS_STANDBY (1<<0)
558 #define SWF11_DPMS_ON 0
560 #define SWF14_GFX_PFIT_EN (1<<31)
561 #define SWF14_TEXT_PFIT_EN (1<<30)
562 #define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
563 #define SWF14_POPUP_EN (1<<28)
564 #define SWF14_DISPLAY_HOLDOFF (1<<27)
565 #define SWF14_DISP_DETECT_EN (1<<26)
566 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
567 #define SWF14_DRIVER_STATUS (1<<24)
568 #define SWF14_OS_TYPE_WIN9X (1<<23)
569 #define SWF14_OS_TYPE_WINNT (1<<22)
571 #define SWF14_PM_TYPE_MASK 0x00070000
572 #define SWF14_PM_ACPI_VIDEO (0x4 << 16)
573 #define SWF14_PM_ACPI (0x3 << 16)
574 #define SWF14_PM_APM_12 (0x2 << 16)
575 #define SWF14_PM_APM_11 (0x1 << 16)
576 #define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
577 /* if GR18 indicates a display switch */
578 #define SWF14_DS_PIPEB_LFP2_EN (1<<15)
579 #define SWF14_DS_PIPEB_EFP2_EN (1<<14)
580 #define SWF14_DS_PIPEB_TV2_EN (1<<13)
581 #define SWF14_DS_PIPEB_CRT2_EN (1<<12)
582 #define SWF14_DS_PIPEB_LFP_EN (1<<11)
583 #define SWF14_DS_PIPEB_EFP_EN (1<<10)
584 #define SWF14_DS_PIPEB_TV_EN (1<<9)
585 #define SWF14_DS_PIPEB_CRT_EN (1<<8)
586 #define SWF14_DS_PIPEA_LFP2_EN (1<<7)
587 #define SWF14_DS_PIPEA_EFP2_EN (1<<6)
588 #define SWF14_DS_PIPEA_TV2_EN (1<<5)
589 #define SWF14_DS_PIPEA_CRT2_EN (1<<4)
590 #define SWF14_DS_PIPEA_LFP_EN (1<<3)
591 #define SWF14_DS_PIPEA_EFP_EN (1<<2)
592 #define SWF14_DS_PIPEA_TV_EN (1<<1)
593 #define SWF14_DS_PIPEA_CRT_EN (1<<0)
594 /* if GR18 indicates a panel fitting request */
595 #define SWF14_PFIT_EN (1<<0) /* 0 means disable */
596 /* if GR18 indicates an APM change request */
597 #define SWF14_APM_HIBERNATE 0x4
598 #define SWF14_APM_SUSPEND 0x3
599 #define SWF14_APM_STANDBY 0x1
600 #define SWF14_APM_RESTORE 0x0
602 /* Add the device class for LFP, TV, HDMI */
603 #define DEVICE_TYPE_INT_LFP 0x1022
604 #define DEVICE_TYPE_INT_TV 0x1009
605 #define DEVICE_TYPE_HDMI 0x60D2
606 #define DEVICE_TYPE_DP 0x68C6
607 #define DEVICE_TYPE_eDP 0x78C6
609 /* define the DVO port for HDMI output type */
614 /* define the PORT for DP output type */
619 #endif /* _I830_BIOS_H_ */