Loading...
1/*
2 * Copyright © 2006 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#ifndef _INTEL_BIOS_H_
29#define _INTEL_BIOS_H_
30
31/**
32 * struct vbt_header - VBT Header structure
33 * @signature: VBT signature, always starts with "$VBT"
34 * @version: Version of this structure
35 * @header_size: Size of this structure
36 * @vbt_size: Size of VBT (VBT Header, BDB Header and data blocks)
37 * @vbt_checksum: Checksum
38 * @reserved0: Reserved
39 * @bdb_offset: Offset of &struct bdb_header from beginning of VBT
40 * @aim_offset: Offsets of add-in data blocks from beginning of VBT
41 */
42struct vbt_header {
43 u8 signature[20];
44 u16 version;
45 u16 header_size;
46 u16 vbt_size;
47 u8 vbt_checksum;
48 u8 reserved0;
49 u32 bdb_offset;
50 u32 aim_offset[4];
51} __packed;
52
53/**
54 * struct bdb_header - BDB Header structure
55 * @signature: BDB signature "BIOS_DATA_BLOCK"
56 * @version: Version of the data block definitions
57 * @header_size: Size of this structure
58 * @bdb_size: Size of BDB (BDB Header and data blocks)
59 */
60struct bdb_header {
61 u8 signature[16];
62 u16 version;
63 u16 header_size;
64 u16 bdb_size;
65} __packed;
66
67/* strictly speaking, this is a "skip" block, but it has interesting info */
68struct vbios_data {
69 u8 type; /* 0 == desktop, 1 == mobile */
70 u8 relstage;
71 u8 chipset;
72 u8 lvds_present:1;
73 u8 tv_present:1;
74 u8 rsvd2:6; /* finish byte */
75 u8 rsvd3[4];
76 u8 signon[155];
77 u8 copyright[61];
78 u16 code_segment;
79 u8 dos_boot_mode;
80 u8 bandwidth_percent;
81 u8 rsvd4; /* popup memory size */
82 u8 resize_pci_bios;
83 u8 rsvd5; /* is crt already on ddc2 */
84} __packed;
85
86/*
87 * There are several types of BIOS data blocks (BDBs), each block has
88 * an ID and size in the first 3 bytes (ID in first, size in next 2).
89 * Known types are listed below.
90 */
91#define BDB_GENERAL_FEATURES 1
92#define BDB_GENERAL_DEFINITIONS 2
93#define BDB_OLD_TOGGLE_LIST 3
94#define BDB_MODE_SUPPORT_LIST 4
95#define BDB_GENERIC_MODE_TABLE 5
96#define BDB_EXT_MMIO_REGS 6
97#define BDB_SWF_IO 7
98#define BDB_SWF_MMIO 8
99#define BDB_PSR 9
100#define BDB_MODE_REMOVAL_TABLE 10
101#define BDB_CHILD_DEVICE_TABLE 11
102#define BDB_DRIVER_FEATURES 12
103#define BDB_DRIVER_PERSISTENCE 13
104#define BDB_EXT_TABLE_PTRS 14
105#define BDB_DOT_CLOCK_OVERRIDE 15
106#define BDB_DISPLAY_SELECT 16
107/* 17 rsvd */
108#define BDB_DRIVER_ROTATION 18
109#define BDB_DISPLAY_REMOVE 19
110#define BDB_OEM_CUSTOM 20
111#define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */
112#define BDB_SDVO_LVDS_OPTIONS 22
113#define BDB_SDVO_PANEL_DTDS 23
114#define BDB_SDVO_LVDS_PNP_IDS 24
115#define BDB_SDVO_LVDS_POWER_SEQ 25
116#define BDB_TV_OPTIONS 26
117#define BDB_EDP 27
118#define BDB_LVDS_OPTIONS 40
119#define BDB_LVDS_LFP_DATA_PTRS 41
120#define BDB_LVDS_LFP_DATA 42
121#define BDB_LVDS_BACKLIGHT 43
122#define BDB_LVDS_POWER 44
123#define BDB_MIPI_CONFIG 52
124#define BDB_MIPI_SEQUENCE 53
125#define BDB_SKIP 254 /* VBIOS private block, ignore */
126
127struct bdb_general_features {
128 /* bits 1 */
129 u8 panel_fitting:2;
130 u8 flexaim:1;
131 u8 msg_enable:1;
132 u8 clear_screen:3;
133 u8 color_flip:1;
134
135 /* bits 2 */
136 u8 download_ext_vbt:1;
137 u8 enable_ssc:1;
138 u8 ssc_freq:1;
139 u8 enable_lfp_on_override:1;
140 u8 disable_ssc_ddt:1;
141 u8 rsvd7:1;
142 u8 display_clock_mode:1;
143 u8 rsvd8:1; /* finish byte */
144
145 /* bits 3 */
146 u8 disable_smooth_vision:1;
147 u8 single_dvi:1;
148 u8 rsvd9:1;
149 u8 fdi_rx_polarity_inverted:1;
150 u8 rsvd10:4; /* finish byte */
151
152 /* bits 4 */
153 u8 legacy_monitor_detect;
154
155 /* bits 5 */
156 u8 int_crt_support:1;
157 u8 int_tv_support:1;
158 u8 int_efp_support:1;
159 u8 dp_ssc_enb:1; /* PCH attached eDP supports SSC */
160 u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
161 u8 rsvd11:3; /* finish byte */
162} __packed;
163
164/* pre-915 */
165#define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
166#define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
167#define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
168#define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
169
170/* Pre 915 */
171#define DEVICE_TYPE_NONE 0x00
172#define DEVICE_TYPE_CRT 0x01
173#define DEVICE_TYPE_TV 0x09
174#define DEVICE_TYPE_EFP 0x12
175#define DEVICE_TYPE_LFP 0x22
176/* On 915+ */
177#define DEVICE_TYPE_CRT_DPMS 0x6001
178#define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
179#define DEVICE_TYPE_TV_COMPOSITE 0x0209
180#define DEVICE_TYPE_TV_MACROVISION 0x0289
181#define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
182#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
183#define DEVICE_TYPE_TV_SCART 0x0209
184#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
185#define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
186#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
187#define DEVICE_TYPE_EFP_DVI_I 0x6053
188#define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
189#define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
190#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
191#define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
192#define DEVICE_TYPE_LFP_PANELLINK 0x5012
193#define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
194#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
195#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
196#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
197
198#define DEVICE_CFG_NONE 0x00
199#define DEVICE_CFG_12BIT_DVOB 0x01
200#define DEVICE_CFG_12BIT_DVOC 0x02
201#define DEVICE_CFG_24BIT_DVOBC 0x09
202#define DEVICE_CFG_24BIT_DVOCB 0x0a
203#define DEVICE_CFG_DUAL_DVOB 0x11
204#define DEVICE_CFG_DUAL_DVOC 0x12
205#define DEVICE_CFG_DUAL_DVOBC 0x13
206#define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
207#define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
208
209#define DEVICE_WIRE_NONE 0x00
210#define DEVICE_WIRE_DVOB 0x01
211#define DEVICE_WIRE_DVOC 0x02
212#define DEVICE_WIRE_DVOBC 0x03
213#define DEVICE_WIRE_DVOBB 0x05
214#define DEVICE_WIRE_DVOCC 0x06
215#define DEVICE_WIRE_DVOB_MASTER 0x0d
216#define DEVICE_WIRE_DVOC_MASTER 0x0e
217
218#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
219#define DEVICE_PORT_DVOB 0x01
220#define DEVICE_PORT_DVOC 0x02
221
222/*
223 * We used to keep this struct but without any version control. We should avoid
224 * using it in the future, but it should be safe to keep using it in the old
225 * code. Do not change; we rely on its size.
226 */
227struct old_child_dev_config {
228 u16 handle;
229 u16 device_type;
230 u8 device_id[10]; /* ascii string */
231 u16 addin_offset;
232 u8 dvo_port; /* See Device_PORT_* above */
233 u8 i2c_pin;
234 u8 slave_addr;
235 u8 ddc_pin;
236 u16 edid_ptr;
237 u8 dvo_cfg; /* See DEVICE_CFG_* above */
238 u8 dvo2_port;
239 u8 i2c2_pin;
240 u8 slave2_addr;
241 u8 ddc2_pin;
242 u8 capabilities;
243 u8 dvo_wiring;/* See DEVICE_WIRE_* above */
244 u8 dvo2_wiring;
245 u16 extended_type;
246 u8 dvo_function;
247} __packed;
248
249/* This one contains field offsets that are known to be common for all BDB
250 * versions. Notice that the meaning of the contents contents may still change,
251 * but at least the offsets are consistent. */
252
253/* Definitions for flags_1 */
254#define IBOOST_ENABLE (1<<3)
255
256struct common_child_dev_config {
257 u16 handle;
258 u16 device_type;
259 u8 not_common1[12];
260 u8 dvo_port;
261 u8 not_common2[2];
262 u8 ddc_pin;
263 u16 edid_ptr;
264 u8 obsolete;
265 u8 flags_1;
266 u8 not_common3[13];
267 u8 iboost_level;
268} __packed;
269
270
271/* This field changes depending on the BDB version, so the most reliable way to
272 * read it is by checking the BDB version and reading the raw pointer. */
273union child_device_config {
274 /* This one is safe to be used anywhere, but the code should still check
275 * the BDB version. */
276 u8 raw[33];
277 /* This one should only be kept for legacy code. */
278 struct old_child_dev_config old;
279 /* This one should also be safe to use anywhere, even without version
280 * checks. */
281 struct common_child_dev_config common;
282} __packed;
283
284struct bdb_general_definitions {
285 /* DDC GPIO */
286 u8 crt_ddc_gmbus_pin;
287
288 /* DPMS bits */
289 u8 dpms_acpi:1;
290 u8 skip_boot_crt_detect:1;
291 u8 dpms_aim:1;
292 u8 rsvd1:5; /* finish byte */
293
294 /* boot device bits */
295 u8 boot_display[2];
296 u8 child_dev_size;
297
298 /*
299 * Device info:
300 * If TV is present, it'll be at devices[0].
301 * LVDS will be next, either devices[0] or [1], if present.
302 * On some platforms the number of device is 6. But could be as few as
303 * 4 if both TV and LVDS are missing.
304 * And the device num is related with the size of general definition
305 * block. It is obtained by using the following formula:
306 * number = (block_size - sizeof(bdb_general_definitions))/
307 * defs->child_dev_size;
308 */
309 uint8_t devices[0];
310} __packed;
311
312/* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
313#define MODE_MASK 0x3
314
315struct bdb_lvds_options {
316 u8 panel_type;
317 u8 rsvd1;
318 /* LVDS capabilities, stored in a dword */
319 u8 pfit_mode:2;
320 u8 pfit_text_mode_enhanced:1;
321 u8 pfit_gfx_mode_enhanced:1;
322 u8 pfit_ratio_auto:1;
323 u8 pixel_dither:1;
324 u8 lvds_edid:1;
325 u8 rsvd2:1;
326 u8 rsvd4;
327 /* LVDS Panel channel bits stored here */
328 u32 lvds_panel_channel_bits;
329 /* LVDS SSC (Spread Spectrum Clock) bits stored here. */
330 u16 ssc_bits;
331 u16 ssc_freq;
332 u16 ssc_ddt;
333 /* Panel color depth defined here */
334 u16 panel_color_depth;
335 /* LVDS panel type bits stored here */
336 u32 dps_panel_type_bits;
337 /* LVDS backlight control type bits stored here */
338 u32 blt_control_type_bits;
339} __packed;
340
341/* LFP pointer table contains entries to the struct below */
342struct bdb_lvds_lfp_data_ptr {
343 u16 fp_timing_offset; /* offsets are from start of bdb */
344 u8 fp_table_size;
345 u16 dvo_timing_offset;
346 u8 dvo_table_size;
347 u16 panel_pnp_id_offset;
348 u8 pnp_table_size;
349} __packed;
350
351struct bdb_lvds_lfp_data_ptrs {
352 u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
353 struct bdb_lvds_lfp_data_ptr ptr[16];
354} __packed;
355
356/* LFP data has 3 blocks per entry */
357struct lvds_fp_timing {
358 u16 x_res;
359 u16 y_res;
360 u32 lvds_reg;
361 u32 lvds_reg_val;
362 u32 pp_on_reg;
363 u32 pp_on_reg_val;
364 u32 pp_off_reg;
365 u32 pp_off_reg_val;
366 u32 pp_cycle_reg;
367 u32 pp_cycle_reg_val;
368 u32 pfit_reg;
369 u32 pfit_reg_val;
370 u16 terminator;
371} __packed;
372
373struct lvds_dvo_timing {
374 u16 clock; /**< In 10khz */
375 u8 hactive_lo;
376 u8 hblank_lo;
377 u8 hblank_hi:4;
378 u8 hactive_hi:4;
379 u8 vactive_lo;
380 u8 vblank_lo;
381 u8 vblank_hi:4;
382 u8 vactive_hi:4;
383 u8 hsync_off_lo;
384 u8 hsync_pulse_width;
385 u8 vsync_pulse_width:4;
386 u8 vsync_off:4;
387 u8 rsvd0:6;
388 u8 hsync_off_hi:2;
389 u8 h_image;
390 u8 v_image;
391 u8 max_hv;
392 u8 h_border;
393 u8 v_border;
394 u8 rsvd1:3;
395 u8 digital:2;
396 u8 vsync_positive:1;
397 u8 hsync_positive:1;
398 u8 rsvd2:1;
399} __packed;
400
401struct lvds_pnp_id {
402 u16 mfg_name;
403 u16 product_code;
404 u32 serial;
405 u8 mfg_week;
406 u8 mfg_year;
407} __packed;
408
409struct bdb_lvds_lfp_data_entry {
410 struct lvds_fp_timing fp_timing;
411 struct lvds_dvo_timing dvo_timing;
412 struct lvds_pnp_id pnp_id;
413} __packed;
414
415struct bdb_lvds_lfp_data {
416 struct bdb_lvds_lfp_data_entry data[16];
417} __packed;
418
419#define BDB_BACKLIGHT_TYPE_NONE 0
420#define BDB_BACKLIGHT_TYPE_PWM 2
421
422struct bdb_lfp_backlight_data_entry {
423 u8 type:2;
424 u8 active_low_pwm:1;
425 u8 obsolete1:5;
426 u16 pwm_freq_hz;
427 u8 min_brightness;
428 u8 obsolete2;
429 u8 obsolete3;
430} __packed;
431
432struct bdb_lfp_backlight_data {
433 u8 entry_size;
434 struct bdb_lfp_backlight_data_entry data[16];
435 u8 level[16];
436} __packed;
437
438struct aimdb_header {
439 char signature[16];
440 char oem_device[20];
441 u16 aimdb_version;
442 u16 aimdb_header_size;
443 u16 aimdb_size;
444} __packed;
445
446struct aimdb_block {
447 u8 aimdb_id;
448 u16 aimdb_size;
449} __packed;
450
451struct vch_panel_data {
452 u16 fp_timing_offset;
453 u8 fp_timing_size;
454 u16 dvo_timing_offset;
455 u8 dvo_timing_size;
456 u16 text_fitting_offset;
457 u8 text_fitting_size;
458 u16 graphics_fitting_offset;
459 u8 graphics_fitting_size;
460} __packed;
461
462struct vch_bdb_22 {
463 struct aimdb_block aimdb_block;
464 struct vch_panel_data panels[16];
465} __packed;
466
467struct bdb_sdvo_lvds_options {
468 u8 panel_backlight;
469 u8 h40_set_panel_type;
470 u8 panel_type;
471 u8 ssc_clk_freq;
472 u16 als_low_trip;
473 u16 als_high_trip;
474 u8 sclalarcoeff_tab_row_num;
475 u8 sclalarcoeff_tab_row_size;
476 u8 coefficient[8];
477 u8 panel_misc_bits_1;
478 u8 panel_misc_bits_2;
479 u8 panel_misc_bits_3;
480 u8 panel_misc_bits_4;
481} __packed;
482
483
484#define BDB_DRIVER_FEATURE_NO_LVDS 0
485#define BDB_DRIVER_FEATURE_INT_LVDS 1
486#define BDB_DRIVER_FEATURE_SDVO_LVDS 2
487#define BDB_DRIVER_FEATURE_EDP 3
488
489struct bdb_driver_features {
490 u8 boot_dev_algorithm:1;
491 u8 block_display_switch:1;
492 u8 allow_display_switch:1;
493 u8 hotplug_dvo:1;
494 u8 dual_view_zoom:1;
495 u8 int15h_hook:1;
496 u8 sprite_in_clone:1;
497 u8 primary_lfp_id:1;
498
499 u16 boot_mode_x;
500 u16 boot_mode_y;
501 u8 boot_mode_bpp;
502 u8 boot_mode_refresh;
503
504 u16 enable_lfp_primary:1;
505 u16 selective_mode_pruning:1;
506 u16 dual_frequency:1;
507 u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
508 u16 nt_clone_support:1;
509 u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
510 u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
511 u16 cui_aspect_scaling:1;
512 u16 preserve_aspect_ratio:1;
513 u16 sdvo_device_power_down:1;
514 u16 crt_hotplug:1;
515 u16 lvds_config:2;
516 u16 tv_hotplug:1;
517 u16 hdmi_config:2;
518
519 u8 static_display:1;
520 u8 reserved2:7;
521 u16 legacy_crt_max_x;
522 u16 legacy_crt_max_y;
523 u8 legacy_crt_max_refresh;
524
525 u8 hdmi_termination;
526 u8 custom_vbt_version;
527 /* Driver features data block */
528 u16 rmpm_enabled:1;
529 u16 s2ddt_enabled:1;
530 u16 dpst_enabled:1;
531 u16 bltclt_enabled:1;
532 u16 adb_enabled:1;
533 u16 drrs_enabled:1;
534 u16 grs_enabled:1;
535 u16 gpmt_enabled:1;
536 u16 tbt_enabled:1;
537 u16 psr_enabled:1;
538 u16 ips_enabled:1;
539 u16 reserved3:4;
540 u16 pc_feature_valid:1;
541} __packed;
542
543#define EDP_18BPP 0
544#define EDP_24BPP 1
545#define EDP_30BPP 2
546#define EDP_RATE_1_62 0
547#define EDP_RATE_2_7 1
548#define EDP_LANE_1 0
549#define EDP_LANE_2 1
550#define EDP_LANE_4 3
551#define EDP_PREEMPHASIS_NONE 0
552#define EDP_PREEMPHASIS_3_5dB 1
553#define EDP_PREEMPHASIS_6dB 2
554#define EDP_PREEMPHASIS_9_5dB 3
555#define EDP_VSWING_0_4V 0
556#define EDP_VSWING_0_6V 1
557#define EDP_VSWING_0_8V 2
558#define EDP_VSWING_1_2V 3
559
560struct edp_power_seq {
561 u16 t1_t3;
562 u16 t8;
563 u16 t9;
564 u16 t10;
565 u16 t11_t12;
566} __packed;
567
568struct edp_link_params {
569 u8 rate:4;
570 u8 lanes:4;
571 u8 preemphasis:4;
572 u8 vswing:4;
573} __packed;
574
575struct bdb_edp {
576 struct edp_power_seq power_seqs[16];
577 u32 color_depth;
578 struct edp_link_params link_params[16];
579 u32 sdrrs_msa_timing_delay;
580
581 /* ith bit indicates enabled/disabled for (i+1)th panel */
582 u16 edp_s3d_feature;
583 u16 edp_t3_optimization;
584 u64 edp_vswing_preemph; /* v173 */
585} __packed;
586
587struct psr_table {
588 /* Feature bits */
589 u8 full_link:1;
590 u8 require_aux_to_wakeup:1;
591 u8 feature_bits_rsvd:6;
592
593 /* Wait times */
594 u8 idle_frames:4;
595 u8 lines_to_wait:3;
596 u8 wait_times_rsvd:1;
597
598 /* TP wake up time in multiple of 100 */
599 u16 tp1_wakeup_time;
600 u16 tp2_tp3_wakeup_time;
601} __packed;
602
603struct bdb_psr {
604 struct psr_table psr_table[16];
605} __packed;
606
607/*
608 * Driver<->VBIOS interaction occurs through scratch bits in
609 * GR18 & SWF*.
610 */
611
612/* GR18 bits are set on display switch and hotkey events */
613#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
614#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
615#define GR18_HK_NONE (0x0<<3)
616#define GR18_HK_LFP_STRETCH (0x1<<3)
617#define GR18_HK_TOGGLE_DISP (0x2<<3)
618#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
619#define GR18_HK_POPUP_DISABLED (0x6<<3)
620#define GR18_HK_POPUP_ENABLED (0x7<<3)
621#define GR18_HK_PFIT (0x8<<3)
622#define GR18_HK_APM_CHANGE (0xa<<3)
623#define GR18_HK_MULTIPLE (0xc<<3)
624#define GR18_USER_INT_EN (1<<2)
625#define GR18_A0000_FLUSH_EN (1<<1)
626#define GR18_SMM_EN (1<<0)
627
628/* Set by driver, cleared by VBIOS */
629#define SWF00_YRES_SHIFT 16
630#define SWF00_XRES_SHIFT 0
631#define SWF00_RES_MASK 0xffff
632
633/* Set by VBIOS at boot time and driver at runtime */
634#define SWF01_TV2_FORMAT_SHIFT 8
635#define SWF01_TV1_FORMAT_SHIFT 0
636#define SWF01_TV_FORMAT_MASK 0xffff
637
638#define SWF10_VBIOS_BLC_I2C_EN (1<<29)
639#define SWF10_GTT_OVERRIDE_EN (1<<28)
640#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
641#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
642#define SWF10_OLD_TOGGLE 0x0
643#define SWF10_TOGGLE_LIST_1 0x1
644#define SWF10_TOGGLE_LIST_2 0x2
645#define SWF10_TOGGLE_LIST_3 0x3
646#define SWF10_TOGGLE_LIST_4 0x4
647#define SWF10_PANNING_EN (1<<23)
648#define SWF10_DRIVER_LOADED (1<<22)
649#define SWF10_EXTENDED_DESKTOP (1<<21)
650#define SWF10_EXCLUSIVE_MODE (1<<20)
651#define SWF10_OVERLAY_EN (1<<19)
652#define SWF10_PLANEB_HOLDOFF (1<<18)
653#define SWF10_PLANEA_HOLDOFF (1<<17)
654#define SWF10_VGA_HOLDOFF (1<<16)
655#define SWF10_ACTIVE_DISP_MASK 0xffff
656#define SWF10_PIPEB_LFP2 (1<<15)
657#define SWF10_PIPEB_EFP2 (1<<14)
658#define SWF10_PIPEB_TV2 (1<<13)
659#define SWF10_PIPEB_CRT2 (1<<12)
660#define SWF10_PIPEB_LFP (1<<11)
661#define SWF10_PIPEB_EFP (1<<10)
662#define SWF10_PIPEB_TV (1<<9)
663#define SWF10_PIPEB_CRT (1<<8)
664#define SWF10_PIPEA_LFP2 (1<<7)
665#define SWF10_PIPEA_EFP2 (1<<6)
666#define SWF10_PIPEA_TV2 (1<<5)
667#define SWF10_PIPEA_CRT2 (1<<4)
668#define SWF10_PIPEA_LFP (1<<3)
669#define SWF10_PIPEA_EFP (1<<2)
670#define SWF10_PIPEA_TV (1<<1)
671#define SWF10_PIPEA_CRT (1<<0)
672
673#define SWF11_MEMORY_SIZE_SHIFT 16
674#define SWF11_SV_TEST_EN (1<<15)
675#define SWF11_IS_AGP (1<<14)
676#define SWF11_DISPLAY_HOLDOFF (1<<13)
677#define SWF11_DPMS_REDUCED (1<<12)
678#define SWF11_IS_VBE_MODE (1<<11)
679#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
680#define SWF11_DPMS_MASK 0x07
681#define SWF11_DPMS_OFF (1<<2)
682#define SWF11_DPMS_SUSPEND (1<<1)
683#define SWF11_DPMS_STANDBY (1<<0)
684#define SWF11_DPMS_ON 0
685
686#define SWF14_GFX_PFIT_EN (1<<31)
687#define SWF14_TEXT_PFIT_EN (1<<30)
688#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
689#define SWF14_POPUP_EN (1<<28)
690#define SWF14_DISPLAY_HOLDOFF (1<<27)
691#define SWF14_DISP_DETECT_EN (1<<26)
692#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
693#define SWF14_DRIVER_STATUS (1<<24)
694#define SWF14_OS_TYPE_WIN9X (1<<23)
695#define SWF14_OS_TYPE_WINNT (1<<22)
696/* 21:19 rsvd */
697#define SWF14_PM_TYPE_MASK 0x00070000
698#define SWF14_PM_ACPI_VIDEO (0x4 << 16)
699#define SWF14_PM_ACPI (0x3 << 16)
700#define SWF14_PM_APM_12 (0x2 << 16)
701#define SWF14_PM_APM_11 (0x1 << 16)
702#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
703 /* if GR18 indicates a display switch */
704#define SWF14_DS_PIPEB_LFP2_EN (1<<15)
705#define SWF14_DS_PIPEB_EFP2_EN (1<<14)
706#define SWF14_DS_PIPEB_TV2_EN (1<<13)
707#define SWF14_DS_PIPEB_CRT2_EN (1<<12)
708#define SWF14_DS_PIPEB_LFP_EN (1<<11)
709#define SWF14_DS_PIPEB_EFP_EN (1<<10)
710#define SWF14_DS_PIPEB_TV_EN (1<<9)
711#define SWF14_DS_PIPEB_CRT_EN (1<<8)
712#define SWF14_DS_PIPEA_LFP2_EN (1<<7)
713#define SWF14_DS_PIPEA_EFP2_EN (1<<6)
714#define SWF14_DS_PIPEA_TV2_EN (1<<5)
715#define SWF14_DS_PIPEA_CRT2_EN (1<<4)
716#define SWF14_DS_PIPEA_LFP_EN (1<<3)
717#define SWF14_DS_PIPEA_EFP_EN (1<<2)
718#define SWF14_DS_PIPEA_TV_EN (1<<1)
719#define SWF14_DS_PIPEA_CRT_EN (1<<0)
720 /* if GR18 indicates a panel fitting request */
721#define SWF14_PFIT_EN (1<<0) /* 0 means disable */
722 /* if GR18 indicates an APM change request */
723#define SWF14_APM_HIBERNATE 0x4
724#define SWF14_APM_SUSPEND 0x3
725#define SWF14_APM_STANDBY 0x1
726#define SWF14_APM_RESTORE 0x0
727
728/* Add the device class for LFP, TV, HDMI */
729#define DEVICE_TYPE_INT_LFP 0x1022
730#define DEVICE_TYPE_INT_TV 0x1009
731#define DEVICE_TYPE_HDMI 0x60D2
732#define DEVICE_TYPE_DP 0x68C6
733#define DEVICE_TYPE_eDP 0x78C6
734
735#define DEVICE_TYPE_CLASS_EXTENSION (1 << 15)
736#define DEVICE_TYPE_POWER_MANAGEMENT (1 << 14)
737#define DEVICE_TYPE_HOTPLUG_SIGNALING (1 << 13)
738#define DEVICE_TYPE_INTERNAL_CONNECTOR (1 << 12)
739#define DEVICE_TYPE_NOT_HDMI_OUTPUT (1 << 11)
740#define DEVICE_TYPE_MIPI_OUTPUT (1 << 10)
741#define DEVICE_TYPE_COMPOSITE_OUTPUT (1 << 9)
742#define DEVICE_TYPE_DUAL_CHANNEL (1 << 8)
743#define DEVICE_TYPE_HIGH_SPEED_LINK (1 << 6)
744#define DEVICE_TYPE_LVDS_SINGALING (1 << 5)
745#define DEVICE_TYPE_TMDS_DVI_SIGNALING (1 << 4)
746#define DEVICE_TYPE_VIDEO_SIGNALING (1 << 3)
747#define DEVICE_TYPE_DISPLAYPORT_OUTPUT (1 << 2)
748#define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1)
749#define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0)
750
751/*
752 * Bits we care about when checking for DEVICE_TYPE_eDP
753 * Depending on the system, the other bits may or may not
754 * be set for eDP outputs.
755 */
756#define DEVICE_TYPE_eDP_BITS \
757 (DEVICE_TYPE_INTERNAL_CONNECTOR | \
758 DEVICE_TYPE_MIPI_OUTPUT | \
759 DEVICE_TYPE_COMPOSITE_OUTPUT | \
760 DEVICE_TYPE_DUAL_CHANNEL | \
761 DEVICE_TYPE_LVDS_SINGALING | \
762 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
763 DEVICE_TYPE_VIDEO_SIGNALING | \
764 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
765 DEVICE_TYPE_ANALOG_OUTPUT)
766
767/* define the DVO port for HDMI output type */
768#define DVO_B 1
769#define DVO_C 2
770#define DVO_D 3
771
772/* Possible values for the "DVO Port" field for versions >= 155: */
773#define DVO_PORT_HDMIA 0
774#define DVO_PORT_HDMIB 1
775#define DVO_PORT_HDMIC 2
776#define DVO_PORT_HDMID 3
777#define DVO_PORT_LVDS 4
778#define DVO_PORT_TV 5
779#define DVO_PORT_CRT 6
780#define DVO_PORT_DPB 7
781#define DVO_PORT_DPC 8
782#define DVO_PORT_DPD 9
783#define DVO_PORT_DPA 10
784#define DVO_PORT_DPE 11
785#define DVO_PORT_HDMIE 12
786#define DVO_PORT_MIPIA 21
787#define DVO_PORT_MIPIB 22
788#define DVO_PORT_MIPIC 23
789#define DVO_PORT_MIPID 24
790
791/* Block 52 contains MIPI Panel info
792 * 6 such enteries will there. Index into correct
793 * entery is based on the panel_index in #40 LFP
794 */
795#define MAX_MIPI_CONFIGURATIONS 6
796
797#define MIPI_DSI_UNDEFINED_PANEL_ID 0
798#define MIPI_DSI_GENERIC_PANEL_ID 1
799
800/*
801 * PMIC vs SoC Backlight support specified in pwm_blc
802 * field in mipi_config block below.
803*/
804#define PPS_BLC_PMIC 0
805#define PPS_BLC_SOC 1
806
807struct mipi_config {
808 u16 panel_id;
809
810 /* General Params */
811 u32 enable_dithering:1;
812 u32 rsvd1:1;
813 u32 is_bridge:1;
814
815 u32 panel_arch_type:2;
816 u32 is_cmd_mode:1;
817
818#define NON_BURST_SYNC_PULSE 0x1
819#define NON_BURST_SYNC_EVENTS 0x2
820#define BURST_MODE 0x3
821 u32 video_transfer_mode:2;
822
823 u32 cabc_supported:1;
824 u32 pwm_blc:1;
825
826 /* Bit 13:10 */
827#define PIXEL_FORMAT_RGB565 0x1
828#define PIXEL_FORMAT_RGB666 0x2
829#define PIXEL_FORMAT_RGB666_LOOSELY_PACKED 0x3
830#define PIXEL_FORMAT_RGB888 0x4
831 u32 videomode_color_format:4;
832
833 /* Bit 15:14 */
834#define ENABLE_ROTATION_0 0x0
835#define ENABLE_ROTATION_90 0x1
836#define ENABLE_ROTATION_180 0x2
837#define ENABLE_ROTATION_270 0x3
838 u32 rotation:2;
839 u32 bta_enabled:1;
840 u32 rsvd2:15;
841
842 /* 2 byte Port Description */
843#define DUAL_LINK_NOT_SUPPORTED 0
844#define DUAL_LINK_FRONT_BACK 1
845#define DUAL_LINK_PIXEL_ALT 2
846 u16 dual_link:2;
847 u16 lane_cnt:2;
848 u16 pixel_overlap:3;
849 u16 rsvd3:9;
850
851 u16 rsvd4;
852
853 u8 rsvd5;
854 u32 target_burst_mode_freq;
855 u32 dsi_ddr_clk;
856 u32 bridge_ref_clk;
857
858#define BYTE_CLK_SEL_20MHZ 0
859#define BYTE_CLK_SEL_10MHZ 1
860#define BYTE_CLK_SEL_5MHZ 2
861 u8 byte_clk_sel:2;
862
863 u8 rsvd6:6;
864
865 /* DPHY Flags */
866 u16 dphy_param_valid:1;
867 u16 eot_pkt_disabled:1;
868 u16 enable_clk_stop:1;
869 u16 rsvd7:13;
870
871 u32 hs_tx_timeout;
872 u32 lp_rx_timeout;
873 u32 turn_around_timeout;
874 u32 device_reset_timer;
875 u32 master_init_timer;
876 u32 dbi_bw_timer;
877 u32 lp_byte_clk_val;
878
879 /* 4 byte Dphy Params */
880 u32 prepare_cnt:6;
881 u32 rsvd8:2;
882 u32 clk_zero_cnt:8;
883 u32 trail_cnt:5;
884 u32 rsvd9:3;
885 u32 exit_zero_cnt:6;
886 u32 rsvd10:2;
887
888 u32 clk_lane_switch_cnt;
889 u32 hl_switch_cnt;
890
891 u32 rsvd11[6];
892
893 /* timings based on dphy spec */
894 u8 tclk_miss;
895 u8 tclk_post;
896 u8 rsvd12;
897 u8 tclk_pre;
898 u8 tclk_prepare;
899 u8 tclk_settle;
900 u8 tclk_term_enable;
901 u8 tclk_trail;
902 u16 tclk_prepare_clkzero;
903 u8 rsvd13;
904 u8 td_term_enable;
905 u8 teot;
906 u8 ths_exit;
907 u8 ths_prepare;
908 u16 ths_prepare_hszero;
909 u8 rsvd14;
910 u8 ths_settle;
911 u8 ths_skip;
912 u8 ths_trail;
913 u8 tinit;
914 u8 tlpx;
915 u8 rsvd15[3];
916
917 /* GPIOs */
918 u8 panel_enable;
919 u8 bl_enable;
920 u8 pwm_enable;
921 u8 reset_r_n;
922 u8 pwr_down_r;
923 u8 stdby_r_n;
924
925} __packed;
926
927/* Block 52 contains MIPI configuration block
928 * 6 * bdb_mipi_config, followed by 6 pps data
929 * block below
930 *
931 * all delays has a unit of 100us
932 */
933struct mipi_pps_data {
934 u16 panel_on_delay;
935 u16 bl_enable_delay;
936 u16 bl_disable_delay;
937 u16 panel_off_delay;
938 u16 panel_power_cycle_delay;
939} __packed;
940
941struct bdb_mipi_config {
942 struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
943 struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
944} __packed;
945
946/* Block 53 contains MIPI sequences as needed by the panel
947 * for enabling it. This block can be variable in size and
948 * can be maximum of 6 blocks
949 */
950struct bdb_mipi_sequence {
951 u8 version;
952 u8 data[0];
953} __packed;
954
955/* MIPI Sequnece Block definitions */
956enum mipi_seq {
957 MIPI_SEQ_END = 0,
958 MIPI_SEQ_ASSERT_RESET,
959 MIPI_SEQ_INIT_OTP,
960 MIPI_SEQ_DISPLAY_ON,
961 MIPI_SEQ_DISPLAY_OFF,
962 MIPI_SEQ_DEASSERT_RESET,
963 MIPI_SEQ_BACKLIGHT_ON, /* sequence block v2+ */
964 MIPI_SEQ_BACKLIGHT_OFF, /* sequence block v2+ */
965 MIPI_SEQ_TEAR_ON, /* sequence block v2+ */
966 MIPI_SEQ_TEAR_OFF, /* sequence block v3+ */
967 MIPI_SEQ_POWER_ON, /* sequence block v3+ */
968 MIPI_SEQ_POWER_OFF, /* sequence block v3+ */
969 MIPI_SEQ_MAX
970};
971
972enum mipi_seq_element {
973 MIPI_SEQ_ELEM_END = 0,
974 MIPI_SEQ_ELEM_SEND_PKT,
975 MIPI_SEQ_ELEM_DELAY,
976 MIPI_SEQ_ELEM_GPIO,
977 MIPI_SEQ_ELEM_I2C, /* sequence block v2+ */
978 MIPI_SEQ_ELEM_SPI, /* sequence block v3+ */
979 MIPI_SEQ_ELEM_PMIC, /* sequence block v3+ */
980 MIPI_SEQ_ELEM_MAX
981};
982
983enum mipi_gpio_pin_index {
984 MIPI_GPIO_UNDEFINED = 0,
985 MIPI_GPIO_PANEL_ENABLE,
986 MIPI_GPIO_BL_ENABLE,
987 MIPI_GPIO_PWM_ENABLE,
988 MIPI_GPIO_RESET_N,
989 MIPI_GPIO_PWR_DOWN_R,
990 MIPI_GPIO_STDBY_RST_N,
991 MIPI_GPIO_MAX
992};
993
994#endif /* _INTEL_BIOS_H_ */
1/*
2 * Copyright © 2006 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#ifndef _I830_BIOS_H_
29#define _I830_BIOS_H_
30
31#include "drmP.h"
32
33struct vbt_header {
34 u8 signature[20]; /**< Always starts with 'VBT$' */
35 u16 version; /**< decimal */
36 u16 header_size; /**< in bytes */
37 u16 vbt_size; /**< in bytes */
38 u8 vbt_checksum;
39 u8 reserved0;
40 u32 bdb_offset; /**< from beginning of VBT */
41 u32 aim_offset[4]; /**< from beginning of VBT */
42} __attribute__((packed));
43
44struct bdb_header {
45 u8 signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
46 u16 version; /**< decimal */
47 u16 header_size; /**< in bytes */
48 u16 bdb_size; /**< in bytes */
49};
50
51/* strictly speaking, this is a "skip" block, but it has interesting info */
52struct vbios_data {
53 u8 type; /* 0 == desktop, 1 == mobile */
54 u8 relstage;
55 u8 chipset;
56 u8 lvds_present:1;
57 u8 tv_present:1;
58 u8 rsvd2:6; /* finish byte */
59 u8 rsvd3[4];
60 u8 signon[155];
61 u8 copyright[61];
62 u16 code_segment;
63 u8 dos_boot_mode;
64 u8 bandwidth_percent;
65 u8 rsvd4; /* popup memory size */
66 u8 resize_pci_bios;
67 u8 rsvd5; /* is crt already on ddc2 */
68} __attribute__((packed));
69
70/*
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.
74 */
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
81#define BDB_SWF_IO 7
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
91/* 17 rsvd */
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_EDP 27
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 */
108
109struct bdb_general_features {
110 /* bits 1 */
111 u8 panel_fitting:2;
112 u8 flexaim:1;
113 u8 msg_enable:1;
114 u8 clear_screen:3;
115 u8 color_flip:1;
116
117 /* bits 2 */
118 u8 download_ext_vbt:1;
119 u8 enable_ssc:1;
120 u8 ssc_freq:1;
121 u8 enable_lfp_on_override:1;
122 u8 disable_ssc_ddt:1;
123 u8 rsvd8:3; /* finish byte */
124
125 /* bits 3 */
126 u8 disable_smooth_vision:1;
127 u8 single_dvi:1;
128 u8 rsvd9:6; /* finish byte */
129
130 /* bits 4 */
131 u8 legacy_monitor_detect;
132
133 /* bits 5 */
134 u8 int_crt_support:1;
135 u8 int_tv_support:1;
136 u8 rsvd11:6; /* finish byte */
137} __attribute__((packed));
138
139/* pre-915 */
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" */
144
145/* Pre 915 */
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
151/* On 915+ */
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
172
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
183
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
192
193#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
194#define DEVICE_PORT_DVOB 0x01
195#define DEVICE_PORT_DVOC 0x02
196
197struct child_device_config {
198 u16 handle;
199 u16 device_type;
200 u8 i2c_speed;
201 u8 rsvd[9];
202 u16 addin_offset;
203 u8 dvo_port; /* See Device_PORT_* above */
204 u8 i2c_pin;
205 u8 slave_addr;
206 u8 ddc_pin;
207 u16 edid_ptr;
208 u8 dvo_cfg; /* See DEVICE_CFG_* above */
209 u8 dvo2_port;
210 u8 i2c2_pin;
211 u8 slave2_addr;
212 u8 ddc2_pin;
213 u8 capabilities;
214 u8 dvo_wiring;/* See DEVICE_WIRE_* above */
215 u8 dvo2_wiring;
216 u16 extended_type;
217 u8 dvo_function;
218} __attribute__((packed));
219
220struct bdb_general_definitions {
221 /* DDC GPIO */
222 u8 crt_ddc_gmbus_pin;
223
224 /* DPMS bits */
225 u8 dpms_acpi:1;
226 u8 skip_boot_crt_detect:1;
227 u8 dpms_aim:1;
228 u8 rsvd1:5; /* finish byte */
229
230 /* boot device bits */
231 u8 boot_display[2];
232 u8 child_dev_size;
233
234 /*
235 * Device info:
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);
244 */
245 struct child_device_config devices[0];
246} __attribute__((packed));
247
248struct bdb_lvds_options {
249 u8 panel_type;
250 u8 rsvd1;
251 /* LVDS capabilities, stored in a dword */
252 u8 pfit_mode:2;
253 u8 pfit_text_mode_enhanced:1;
254 u8 pfit_gfx_mode_enhanced:1;
255 u8 pfit_ratio_auto:1;
256 u8 pixel_dither:1;
257 u8 lvds_edid:1;
258 u8 rsvd2:1;
259 u8 rsvd4;
260} __attribute__((packed));
261
262/* LFP pointer table contains entries to the struct below */
263struct bdb_lvds_lfp_data_ptr {
264 u16 fp_timing_offset; /* offsets are from start of bdb */
265 u8 fp_table_size;
266 u16 dvo_timing_offset;
267 u8 dvo_table_size;
268 u16 panel_pnp_id_offset;
269 u8 pnp_table_size;
270} __attribute__((packed));
271
272struct 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));
276
277/* LFP data has 3 blocks per entry */
278struct lvds_fp_timing {
279 u16 x_res;
280 u16 y_res;
281 u32 lvds_reg;
282 u32 lvds_reg_val;
283 u32 pp_on_reg;
284 u32 pp_on_reg_val;
285 u32 pp_off_reg;
286 u32 pp_off_reg_val;
287 u32 pp_cycle_reg;
288 u32 pp_cycle_reg_val;
289 u32 pfit_reg;
290 u32 pfit_reg_val;
291 u16 terminator;
292} __attribute__((packed));
293
294struct lvds_dvo_timing {
295 u16 clock; /**< In 10khz */
296 u8 hactive_lo;
297 u8 hblank_lo;
298 u8 hblank_hi:4;
299 u8 hactive_hi:4;
300 u8 vactive_lo;
301 u8 vblank_lo;
302 u8 vblank_hi:4;
303 u8 vactive_hi:4;
304 u8 hsync_off_lo;
305 u8 hsync_pulse_width;
306 u8 vsync_pulse_width:4;
307 u8 vsync_off:4;
308 u8 rsvd0:6;
309 u8 hsync_off_hi:2;
310 u8 h_image;
311 u8 v_image;
312 u8 max_hv;
313 u8 h_border;
314 u8 v_border;
315 u8 rsvd1:3;
316 u8 digital:2;
317 u8 vsync_positive:1;
318 u8 hsync_positive:1;
319 u8 rsvd2:1;
320} __attribute__((packed));
321
322struct lvds_pnp_id {
323 u16 mfg_name;
324 u16 product_code;
325 u32 serial;
326 u8 mfg_week;
327 u8 mfg_year;
328} __attribute__((packed));
329
330struct 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));
335
336struct bdb_lvds_lfp_data {
337 struct bdb_lvds_lfp_data_entry data[16];
338} __attribute__((packed));
339
340struct aimdb_header {
341 char signature[16];
342 char oem_device[20];
343 u16 aimdb_version;
344 u16 aimdb_header_size;
345 u16 aimdb_size;
346} __attribute__((packed));
347
348struct aimdb_block {
349 u8 aimdb_id;
350 u16 aimdb_size;
351} __attribute__((packed));
352
353struct vch_panel_data {
354 u16 fp_timing_offset;
355 u8 fp_timing_size;
356 u16 dvo_timing_offset;
357 u8 dvo_timing_size;
358 u16 text_fitting_offset;
359 u8 text_fitting_size;
360 u16 graphics_fitting_offset;
361 u8 graphics_fitting_size;
362} __attribute__((packed));
363
364struct vch_bdb_22 {
365 struct aimdb_block aimdb_block;
366 struct vch_panel_data panels[16];
367} __attribute__((packed));
368
369struct bdb_sdvo_lvds_options {
370 u8 panel_backlight;
371 u8 h40_set_panel_type;
372 u8 panel_type;
373 u8 ssc_clk_freq;
374 u16 als_low_trip;
375 u16 als_high_trip;
376 u8 sclalarcoeff_tab_row_num;
377 u8 sclalarcoeff_tab_row_size;
378 u8 coefficient[8];
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));
384
385
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
390
391struct bdb_driver_features {
392 u8 boot_dev_algorithm:1;
393 u8 block_display_switch:1;
394 u8 allow_display_switch:1;
395 u8 hotplug_dvo:1;
396 u8 dual_view_zoom:1;
397 u8 int15h_hook:1;
398 u8 sprite_in_clone:1;
399 u8 primary_lfp_id:1;
400
401 u16 boot_mode_x;
402 u16 boot_mode_y;
403 u8 boot_mode_bpp;
404 u8 boot_mode_refresh;
405
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;
416 u16 crt_hotplug:1;
417 u16 lvds_config:2;
418 u16 tv_hotplug:1;
419 u16 hdmi_config:2;
420
421 u8 static_display:1;
422 u8 reserved2:7;
423 u16 legacy_crt_max_x;
424 u16 legacy_crt_max_y;
425 u8 legacy_crt_max_refresh;
426
427 u8 hdmi_termination;
428 u8 custom_vbt_version;
429} __attribute__((packed));
430
431#define EDP_18BPP 0
432#define EDP_24BPP 1
433#define EDP_30BPP 2
434#define EDP_RATE_1_62 0
435#define EDP_RATE_2_7 1
436#define EDP_LANE_1 0
437#define EDP_LANE_2 1
438#define EDP_LANE_4 3
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
447
448struct edp_power_seq {
449 u16 t3;
450 u16 t7;
451 u16 t9;
452 u16 t10;
453 u16 t12;
454} __attribute__ ((packed));
455
456struct edp_link_params {
457 u8 rate:4;
458 u8 lanes:4;
459 u8 preemphasis:4;
460 u8 vswing:4;
461} __attribute__ ((packed));
462
463struct bdb_edp {
464 struct edp_power_seq power_seqs[16];
465 u32 color_depth;
466 u32 sdrrs_msa_timing_delay;
467 struct edp_link_params link_params[16];
468} __attribute__ ((packed));
469
470void intel_setup_bios(struct drm_device *dev);
471bool intel_parse_bios(struct drm_device *dev);
472
473/*
474 * Driver<->VBIOS interaction occurs through scratch bits in
475 * GR18 & SWF*.
476 */
477
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)
493
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
498
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
503
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)
538
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
551
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)
562/* 21:19 rsvd */
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
593
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
600
601/* define the DVO port for HDMI output type */
602#define DVO_B 1
603#define DVO_C 2
604#define DVO_D 3
605
606/* define the PORT for DP output type */
607#define PORT_IDPB 7
608#define PORT_IDPC 8
609#define PORT_IDPD 9
610
611#endif /* _I830_BIOS_H_ */