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
101 #define BDB_LVDS_OPTIONS 40
102 #define BDB_LVDS_LFP_DATA_PTRS 41
103 #define BDB_LVDS_LFP_DATA 42
104 #define BDB_LVDS_BACKLIGHT 43
105 #define BDB_LVDS_POWER 44
106 #define BDB_SKIP 254 /* VBIOS private block, ignore */
108 struct bdb_general_features {
117 u8 download_ext_vbt:1;
120 u8 enable_lfp_on_override:1;
121 u8 disable_ssc_ddt:1;
122 u8 rsvd8:3; /* finish byte */
125 u8 disable_smooth_vision:1;
127 u8 rsvd9:6; /* finish byte */
130 u8 legacy_monitor_detect;
133 u8 int_crt_support:1;
135 u8 rsvd11:6; /* finish byte */
136 } __attribute__((packed));
139 #define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
140 #define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
141 #define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
142 #define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
145 #define DEVICE_TYPE_NONE 0x00
146 #define DEVICE_TYPE_CRT 0x01
147 #define DEVICE_TYPE_TV 0x09
148 #define DEVICE_TYPE_EFP 0x12
149 #define DEVICE_TYPE_LFP 0x22
151 #define DEVICE_TYPE_CRT_DPMS 0x6001
152 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
153 #define DEVICE_TYPE_TV_COMPOSITE 0x0209
154 #define DEVICE_TYPE_TV_MACROVISION 0x0289
155 #define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
156 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
157 #define DEVICE_TYPE_TV_SCART 0x0209
158 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
159 #define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
160 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
161 #define DEVICE_TYPE_EFP_DVI_I 0x6053
162 #define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
163 #define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
164 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
165 #define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
166 #define DEVICE_TYPE_LFP_PANELLINK 0x5012
167 #define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
168 #define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
169 #define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
170 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
172 #define DEVICE_CFG_NONE 0x00
173 #define DEVICE_CFG_12BIT_DVOB 0x01
174 #define DEVICE_CFG_12BIT_DVOC 0x02
175 #define DEVICE_CFG_24BIT_DVOBC 0x09
176 #define DEVICE_CFG_24BIT_DVOCB 0x0a
177 #define DEVICE_CFG_DUAL_DVOB 0x11
178 #define DEVICE_CFG_DUAL_DVOC 0x12
179 #define DEVICE_CFG_DUAL_DVOBC 0x13
180 #define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
181 #define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
183 #define DEVICE_WIRE_NONE 0x00
184 #define DEVICE_WIRE_DVOB 0x01
185 #define DEVICE_WIRE_DVOC 0x02
186 #define DEVICE_WIRE_DVOBC 0x03
187 #define DEVICE_WIRE_DVOBB 0x05
188 #define DEVICE_WIRE_DVOCC 0x06
189 #define DEVICE_WIRE_DVOB_MASTER 0x0d
190 #define DEVICE_WIRE_DVOC_MASTER 0x0e
192 #define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
193 #define DEVICE_PORT_DVOB 0x01
194 #define DEVICE_PORT_DVOC 0x02
196 struct child_device_config {
199 u8 device_id[10]; /* See DEVICE_TYPE_* above */
201 u8 dvo_port; /* See Device_PORT_* above */
206 u8 dvo_cfg; /* See DEVICE_CFG_* above */
212 u8 dvo_wiring;/* See DEVICE_WIRE_* above */
216 } __attribute__((packed));
218 struct bdb_general_definitions {
220 u8 crt_ddc_gmbus_pin;
224 u8 skip_boot_crt_detect:1;
226 u8 rsvd1:5; /* finish byte */
228 /* boot device bits */
234 * If TV is present, it'll be at devices[0].
235 * LVDS will be next, either devices[0] or [1], if present.
236 * On some platforms the number of device is 6. But could be as few as
237 * 4 if both TV and LVDS are missing.
238 * And the device num is related with the size of general definition
239 * block. It is obtained by using the following formula:
240 * number = (block_size - sizeof(bdb_general_definitions))/
241 * sizeof(child_device_config);
243 struct child_device_config devices[0];
244 } __attribute__((packed));
246 struct bdb_lvds_options {
249 /* LVDS capabilities, stored in a dword */
251 u8 pfit_text_mode_enhanced:1;
252 u8 pfit_gfx_mode_enhanced:1;
253 u8 pfit_ratio_auto:1;
258 } __attribute__((packed));
260 /* LFP pointer table contains entries to the struct below */
261 struct bdb_lvds_lfp_data_ptr {
262 u16 fp_timing_offset; /* offsets are from start of bdb */
264 u16 dvo_timing_offset;
266 u16 panel_pnp_id_offset;
268 } __attribute__((packed));
270 struct bdb_lvds_lfp_data_ptrs {
271 u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
272 struct bdb_lvds_lfp_data_ptr ptr[16];
273 } __attribute__((packed));
275 /* LFP data has 3 blocks per entry */
276 struct lvds_fp_timing {
286 u32 pp_cycle_reg_val;
290 } __attribute__((packed));
292 struct lvds_dvo_timing {
293 u16 clock; /**< In 10khz */
303 u8 hsync_pulse_width;
304 u8 vsync_pulse_width:4;
318 } __attribute__((packed));
326 } __attribute__((packed));
328 struct bdb_lvds_lfp_data_entry {
329 struct lvds_fp_timing fp_timing;
330 struct lvds_dvo_timing dvo_timing;
331 struct lvds_pnp_id pnp_id;
332 } __attribute__((packed));
334 struct bdb_lvds_lfp_data {
335 struct bdb_lvds_lfp_data_entry data[16];
336 } __attribute__((packed));
338 struct aimdb_header {
342 u16 aimdb_header_size;
344 } __attribute__((packed));
349 } __attribute__((packed));
351 struct vch_panel_data {
352 u16 fp_timing_offset;
354 u16 dvo_timing_offset;
356 u16 text_fitting_offset;
357 u8 text_fitting_size;
358 u16 graphics_fitting_offset;
359 u8 graphics_fitting_size;
360 } __attribute__((packed));
363 struct aimdb_block aimdb_block;
364 struct vch_panel_data panels[16];
365 } __attribute__((packed));
367 struct bdb_sdvo_lvds_options {
369 u8 h40_set_panel_type;
374 u8 sclalarcoeff_tab_row_num;
375 u8 sclalarcoeff_tab_row_size;
377 u8 panel_misc_bits_1;
378 u8 panel_misc_bits_2;
379 u8 panel_misc_bits_3;
380 u8 panel_misc_bits_4;
381 } __attribute__((packed));
384 bool intel_init_bios(struct drm_device *dev);
387 * Driver<->VBIOS interaction occurs through scratch bits in
391 /* GR18 bits are set on display switch and hotkey events */
392 #define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
393 #define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
394 #define GR18_HK_NONE (0x0<<3)
395 #define GR18_HK_LFP_STRETCH (0x1<<3)
396 #define GR18_HK_TOGGLE_DISP (0x2<<3)
397 #define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
398 #define GR18_HK_POPUP_DISABLED (0x6<<3)
399 #define GR18_HK_POPUP_ENABLED (0x7<<3)
400 #define GR18_HK_PFIT (0x8<<3)
401 #define GR18_HK_APM_CHANGE (0xa<<3)
402 #define GR18_HK_MULTIPLE (0xc<<3)
403 #define GR18_USER_INT_EN (1<<2)
404 #define GR18_A0000_FLUSH_EN (1<<1)
405 #define GR18_SMM_EN (1<<0)
407 /* Set by driver, cleared by VBIOS */
408 #define SWF00_YRES_SHIFT 16
409 #define SWF00_XRES_SHIFT 0
410 #define SWF00_RES_MASK 0xffff
412 /* Set by VBIOS at boot time and driver at runtime */
413 #define SWF01_TV2_FORMAT_SHIFT 8
414 #define SWF01_TV1_FORMAT_SHIFT 0
415 #define SWF01_TV_FORMAT_MASK 0xffff
417 #define SWF10_VBIOS_BLC_I2C_EN (1<<29)
418 #define SWF10_GTT_OVERRIDE_EN (1<<28)
419 #define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
420 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
421 #define SWF10_OLD_TOGGLE 0x0
422 #define SWF10_TOGGLE_LIST_1 0x1
423 #define SWF10_TOGGLE_LIST_2 0x2
424 #define SWF10_TOGGLE_LIST_3 0x3
425 #define SWF10_TOGGLE_LIST_4 0x4
426 #define SWF10_PANNING_EN (1<<23)
427 #define SWF10_DRIVER_LOADED (1<<22)
428 #define SWF10_EXTENDED_DESKTOP (1<<21)
429 #define SWF10_EXCLUSIVE_MODE (1<<20)
430 #define SWF10_OVERLAY_EN (1<<19)
431 #define SWF10_PLANEB_HOLDOFF (1<<18)
432 #define SWF10_PLANEA_HOLDOFF (1<<17)
433 #define SWF10_VGA_HOLDOFF (1<<16)
434 #define SWF10_ACTIVE_DISP_MASK 0xffff
435 #define SWF10_PIPEB_LFP2 (1<<15)
436 #define SWF10_PIPEB_EFP2 (1<<14)
437 #define SWF10_PIPEB_TV2 (1<<13)
438 #define SWF10_PIPEB_CRT2 (1<<12)
439 #define SWF10_PIPEB_LFP (1<<11)
440 #define SWF10_PIPEB_EFP (1<<10)
441 #define SWF10_PIPEB_TV (1<<9)
442 #define SWF10_PIPEB_CRT (1<<8)
443 #define SWF10_PIPEA_LFP2 (1<<7)
444 #define SWF10_PIPEA_EFP2 (1<<6)
445 #define SWF10_PIPEA_TV2 (1<<5)
446 #define SWF10_PIPEA_CRT2 (1<<4)
447 #define SWF10_PIPEA_LFP (1<<3)
448 #define SWF10_PIPEA_EFP (1<<2)
449 #define SWF10_PIPEA_TV (1<<1)
450 #define SWF10_PIPEA_CRT (1<<0)
452 #define SWF11_MEMORY_SIZE_SHIFT 16
453 #define SWF11_SV_TEST_EN (1<<15)
454 #define SWF11_IS_AGP (1<<14)
455 #define SWF11_DISPLAY_HOLDOFF (1<<13)
456 #define SWF11_DPMS_REDUCED (1<<12)
457 #define SWF11_IS_VBE_MODE (1<<11)
458 #define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
459 #define SWF11_DPMS_MASK 0x07
460 #define SWF11_DPMS_OFF (1<<2)
461 #define SWF11_DPMS_SUSPEND (1<<1)
462 #define SWF11_DPMS_STANDBY (1<<0)
463 #define SWF11_DPMS_ON 0
465 #define SWF14_GFX_PFIT_EN (1<<31)
466 #define SWF14_TEXT_PFIT_EN (1<<30)
467 #define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
468 #define SWF14_POPUP_EN (1<<28)
469 #define SWF14_DISPLAY_HOLDOFF (1<<27)
470 #define SWF14_DISP_DETECT_EN (1<<26)
471 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
472 #define SWF14_DRIVER_STATUS (1<<24)
473 #define SWF14_OS_TYPE_WIN9X (1<<23)
474 #define SWF14_OS_TYPE_WINNT (1<<22)
476 #define SWF14_PM_TYPE_MASK 0x00070000
477 #define SWF14_PM_ACPI_VIDEO (0x4 << 16)
478 #define SWF14_PM_ACPI (0x3 << 16)
479 #define SWF14_PM_APM_12 (0x2 << 16)
480 #define SWF14_PM_APM_11 (0x1 << 16)
481 #define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
482 /* if GR18 indicates a display switch */
483 #define SWF14_DS_PIPEB_LFP2_EN (1<<15)
484 #define SWF14_DS_PIPEB_EFP2_EN (1<<14)
485 #define SWF14_DS_PIPEB_TV2_EN (1<<13)
486 #define SWF14_DS_PIPEB_CRT2_EN (1<<12)
487 #define SWF14_DS_PIPEB_LFP_EN (1<<11)
488 #define SWF14_DS_PIPEB_EFP_EN (1<<10)
489 #define SWF14_DS_PIPEB_TV_EN (1<<9)
490 #define SWF14_DS_PIPEB_CRT_EN (1<<8)
491 #define SWF14_DS_PIPEA_LFP2_EN (1<<7)
492 #define SWF14_DS_PIPEA_EFP2_EN (1<<6)
493 #define SWF14_DS_PIPEA_TV2_EN (1<<5)
494 #define SWF14_DS_PIPEA_CRT2_EN (1<<4)
495 #define SWF14_DS_PIPEA_LFP_EN (1<<3)
496 #define SWF14_DS_PIPEA_EFP_EN (1<<2)
497 #define SWF14_DS_PIPEA_TV_EN (1<<1)
498 #define SWF14_DS_PIPEA_CRT_EN (1<<0)
499 /* if GR18 indicates a panel fitting request */
500 #define SWF14_PFIT_EN (1<<0) /* 0 means disable */
501 /* if GR18 indicates an APM change request */
502 #define SWF14_APM_HIBERNATE 0x4
503 #define SWF14_APM_SUSPEND 0x3
504 #define SWF14_APM_STANDBY 0x1
505 #define SWF14_APM_RESTORE 0x0
507 #endif /* _I830_BIOS_H_ */