aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_bios.h
blob: f27f7b282465aa76a77690ebe8239775c923f06e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
/*
 * Copyright © 2006 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *
 */

#ifndef _I830_BIOS_H_
#define _I830_BIOS_H_

#include <drm/drmP.h>

struct vbt_header {
	u8 signature[20];		/**< Always starts with 'VBT$' */
	u16 version;			/**< decimal */
	u16 header_size;		/**< in bytes */
	u16 vbt_size;			/**< in bytes */
	u8 vbt_checksum;
	u8 reserved0;
	u32 bdb_offset;			/**< from beginning of VBT */
	u32 aim_offset[4];		/**< from beginning of VBT */
} __packed;

struct bdb_header {
	u8 signature[16];		/**< Always 'BIOS_DATA_BLOCK' */
	u16 version;			/**< decimal */
	u16 header_size;		/**< in bytes */
	u16 bdb_size;			/**< in bytes */
};

/* strictly speaking, this is a "skip" block, but it has interesting info */
struct vbios_data {
	u8 type; /* 0 == desktop, 1 == mobile */
	u8 relstage;
	u8 chipset;
	u8 lvds_present:1;
	u8 tv_present:1;
	u8 rsvd2:6; /* finish byte */
	u8 rsvd3[4];
	u8 signon[155];
	u8 copyright[61];
	u16 code_segment;
	u8 dos_boot_mode;
	u8 bandwidth_percent;
	u8 rsvd4; /* popup memory size */
	u8 resize_pci_bios;
	u8 rsvd5; /* is crt already on ddc2 */
} __packed;

/*
 * There are several types of BIOS data blocks (BDBs), each block has
 * an ID and size in the first 3 bytes (ID in first, size in next 2).
 * Known types are listed below.
 */
#define BDB_GENERAL_FEATURES	  1
#define BDB_GENERAL_DEFINITIONS	  2
#define BDB_OLD_TOGGLE_LIST	  3
#define BDB_MODE_SUPPORT_LIST	  4
#define BDB_GENERIC_MODE_TABLE	  5
#define BDB_EXT_MMIO_REGS	  6
#define BDB_SWF_IO		  7
#define BDB_SWF_MMIO		  8
#define BDB_DOT_CLOCK_TABLE	  9
#define BDB_MODE_REMOVAL_TABLE	 10
#define BDB_CHILD_DEVICE_TABLE	 11
#define BDB_DRIVER_FEATURES	 12
#define BDB_DRIVER_PERSISTENCE	 13
#define BDB_EXT_TABLE_PTRS	 14
#define BDB_DOT_CLOCK_OVERRIDE	 15
#define BDB_DISPLAY_SELECT	 16
/* 17 rsvd */
#define BDB_DRIVER_ROTATION	 18
#define BDB_DISPLAY_REMOVE	 19
#define BDB_OEM_CUSTOM		 20
#define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
#define BDB_SDVO_LVDS_OPTIONS	 22
#define BDB_SDVO_PANEL_DTDS	 23
#define BDB_SDVO_LVDS_PNP_IDS	 24
#define BDB_SDVO_LVDS_POWER_SEQ	 25
#define BDB_TV_OPTIONS		 26
#define BDB_EDP			 27
#define BDB_LVDS_OPTIONS	 40
#define BDB_LVDS_LFP_DATA_PTRS	 41
#define BDB_LVDS_LFP_DATA	 42
#define BDB_LVDS_BACKLIGHT	 43
#define BDB_LVDS_POWER		 44
#define BDB_MIPI_CONFIG		 52
#define BDB_MIPI_SEQUENCE	 53
#define BDB_SKIP		254 /* VBIOS private block, ignore */

struct bdb_general_features {
        /* bits 1 */
	u8 panel_fitting:2;
	u8 flexaim:1;
	u8 msg_enable:1;
	u8 clear_screen:3;
	u8 color_flip:1;

        /* bits 2 */
	u8 download_ext_vbt:1;
	u8 enable_ssc:1;
	u8 ssc_freq:1;
	u8 enable_lfp_on_override:1;
	u8 disable_ssc_ddt:1;
	u8 rsvd7:1;
	u8 display_clock_mode:1;
	u8 rsvd8:1; /* finish byte */

        /* bits 3 */
	u8 disable_smooth_vision:1;
	u8 single_dvi:1;
	u8 rsvd9:1;
	u8 fdi_rx_polarity_inverted:1;
	u8 rsvd10:4; /* finish byte */

        /* bits 4 */
	u8 legacy_monitor_detect;

        /* bits 5 */
	u8 int_crt_support:1;
	u8 int_tv_support:1;
	u8 int_efp_support:1;
	u8 dp_ssc_enb:1;	/* PCH attached eDP supports SSC */
	u8 dp_ssc_freq:1;	/* SSC freq for PCH attached eDP */
	u8 rsvd11:3; /* finish byte */
} __packed;

/* pre-915 */
#define GPIO_PIN_DVI_LVDS	0x03 /* "DVI/LVDS DDC GPIO pins" */
#define GPIO_PIN_ADD_I2C	0x05 /* "ADDCARD I2C GPIO pins" */
#define GPIO_PIN_ADD_DDC	0x04 /* "ADDCARD DDC GPIO pins" */
#define GPIO_PIN_ADD_DDC_I2C	0x06 /* "ADDCARD DDC/I2C GPIO pins" */

/* Pre 915 */
#define DEVICE_TYPE_NONE	0x00
#define DEVICE_TYPE_CRT		0x01
#define DEVICE_TYPE_TV		0x09
#define DEVICE_TYPE_EFP		0x12
#define DEVICE_TYPE_LFP		0x22
/* On 915+ */
#define DEVICE_TYPE_CRT_DPMS		0x6001
#define DEVICE_TYPE_CRT_DPMS_HOTPLUG	0x4001
#define DEVICE_TYPE_TV_COMPOSITE	0x0209
#define DEVICE_TYPE_TV_MACROVISION	0x0289
#define DEVICE_TYPE_TV_RF_COMPOSITE	0x020c
#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE	0x0609
#define DEVICE_TYPE_TV_SCART		0x0209
#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
#define DEVICE_TYPE_EFP_HOTPLUG_PWR	0x6012
#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR	0x6052
#define DEVICE_TYPE_EFP_DVI_I		0x6053
#define DEVICE_TYPE_EFP_DVI_D_DUAL	0x6152
#define DEVICE_TYPE_EFP_DVI_D_HDCP	0x60d2
#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR	0x6062
#define DEVICE_TYPE_OPENLDI_DUALPIX	0x6162
#define DEVICE_TYPE_LFP_PANELLINK	0x5012
#define DEVICE_TYPE_LFP_CMOS_PWR	0x5042
#define DEVICE_TYPE_LFP_LVDS_PWR	0x5062
#define DEVICE_TYPE_LFP_LVDS_DUAL	0x5162
#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP	0x51e2

#define DEVICE_CFG_NONE		0x00
#define DEVICE_CFG_12BIT_DVOB	0x01
#define DEVICE_CFG_12BIT_DVOC	0x02
#define DEVICE_CFG_24BIT_DVOBC	0x09
#define DEVICE_CFG_24BIT_DVOCB	0x0a
#define DEVICE_CFG_DUAL_DVOB	0x11
#define DEVICE_CFG_DUAL_DVOC	0x12
#define DEVICE_CFG_DUAL_DVOBC	0x13
#define DEVICE_CFG_DUAL_LINK_DVOBC	0x19
#define DEVICE_CFG_DUAL_LINK_DVOCB	0x1a

#define DEVICE_WIRE_NONE	0x00
#define DEVICE_WIRE_DVOB	0x01
#define DEVICE_WIRE_DVOC	0x02
#define DEVICE_WIRE_DVOBC	0x03
#define DEVICE_WIRE_DVOBB	0x05
#define DEVICE_WIRE_DVOCC	0x06
#define DEVICE_WIRE_DVOB_MASTER 0x0d
#define DEVICE_WIRE_DVOC_MASTER 0x0e

#define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
#define DEVICE_PORT_DVOB	0x01
#define DEVICE_PORT_DVOC	0x02

/* We used to keep this struct but without any version control. We should avoid
 * using it in the future, but it should be safe to keep using it in the old
 * code. */
struct old_child_dev_config {
	u16 handle;
	u16 device_type;
	u8  device_id[10]; /* ascii string */
	u16 addin_offset;
	u8  dvo_port; /* See Device_PORT_* above */
	u8  i2c_pin;
	u8  slave_addr;
	u8  ddc_pin;
	u16 edid_ptr;
	u8  dvo_cfg; /* See DEVICE_CFG_* above */
	u8  dvo2_port;
	u8  i2c2_pin;
	u8  slave2_addr;
	u8  ddc2_pin;
	u8  capabilities;
	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
	u8  dvo2_wiring;
	u16 extended_type;
	u8  dvo_function;
} __packed;

/* This one contains field offsets that are known to be common for all BDB
 * versions. Notice that the meaning of the contents contents may still change,
 * but at least the offsets are consistent. */
struct common_child_dev_config {
	u16 handle;
	u16 device_type;
	u8 not_common1[12];
	u8 dvo_port;
	u8 not_common2[2];
	u8 ddc_pin;
	u16 edid_ptr;
} __packed;

/* This field changes depending on the BDB version, so the most reliable way to
 * read it is by checking the BDB version and reading the raw pointer. */
union child_device_config {
	/* This one is safe to be used anywhere, but the code should still check
	 * the BDB version. */
	u8 raw[33];
	/* This one should only be kept for legacy code. */
	struct old_child_dev_config old;
	/* This one should also be safe to use anywhere, even without version
	 * checks. */
	struct common_child_dev_config common;
};

struct bdb_general_definitions {
	/* DDC GPIO */
	u8 crt_ddc_gmbus_pin;

	/* DPMS bits */
	u8 dpms_acpi:1;
	u8 skip_boot_crt_detect:1;
	u8 dpms_aim:1;
	u8 rsvd1:5; /* finish byte */

	/* boot device bits */
	u8 boot_display[2];
	u8 child_dev_size;

	/*
	 * Device info:
	 * If TV is present, it'll be at devices[0].
	 * LVDS will be next, either devices[0] or [1], if present.
	 * On some platforms the number of device is 6. But could be as few as
	 * 4 if both TV and LVDS are missing.
	 * And the device num is related with the size of general definition
	 * block. It is obtained by using the following formula:
	 * number = (block_size - sizeof(bdb_general_definitions))/
	 *	     sizeof(child_device_config);
	 */
	union child_device_config devices[0];
} __packed;

struct bdb_lvds_options {
	u8 panel_type;
	u8 rsvd1;
	/* LVDS capabilities, stored in a dword */
	u8 pfit_mode:2;
	u8 pfit_text_mode_enhanced:1;
	u8 pfit_gfx_mode_enhanced:1;
	u8 pfit_ratio_auto:1;
	u8 pixel_dither:1;
	u8 lvds_edid:1;
	u8 rsvd2:1;
	u8 rsvd4;
} __packed;

/* LFP pointer table contains entries to the struct below */
struct bdb_lvds_lfp_data_ptr {
	u16 fp_timing_offset; /* offsets are from start of bdb */
	u8 fp_table_size;
	u16 dvo_timing_offset;
	u8 dvo_table_size;
	u16 panel_pnp_id_offset;
	u8 pnp_table_size;
} __packed;

struct bdb_lvds_lfp_data_ptrs {
	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
	struct bdb_lvds_lfp_data_ptr ptr[16];
} __packed;

/* LFP data has 3 blocks per entry */
struct lvds_fp_timing {
	u16 x_res;
	u16 y_res;
	u32 lvds_reg;
	u32 lvds_reg_val;
	u32 pp_on_reg;
	u32 pp_on_reg_val;
	u32 pp_off_reg;
	u32 pp_off_reg_val;
	u32 pp_cycle_reg;
	u32 pp_cycle_reg_val;
	u32 pfit_reg;
	u32 pfit_reg_val;
	u16 terminator;
} __packed;

struct lvds_dvo_timing {
	u16 clock;		/**< In 10khz */
	u8 hactive_lo;
	u8 hblank_lo;
	u8 hblank_hi:4;
	u8 hactive_hi:4;
	u8 vactive_lo;
	u8 vblank_lo;
	u8 vblank_hi:4;
	u8 vactive_hi:4;
	u8 hsync_off_lo;
	u8 hsync_pulse_width;
	u8 vsync_pulse_width:4;
	u8 vsync_off:4;
	u8 rsvd0:6;
	u8 hsync_off_hi:2;
	u8 h_image;
	u8 v_image;
	u8 max_hv;
	u8 h_border;
	u8 v_border;
	u8 rsvd1:3;
	u8 digital:2;
	u8 vsync_positive:1;
	u8 hsync_positive:1;
	u8 rsvd2:1;
} __packed;

struct lvds_pnp_id {
	u16 mfg_name;
	u16 product_code;
	u32 serial;
	u8 mfg_week;
	u8 mfg_year;
} __packed;

struct bdb_lvds_lfp_data_entry {
	struct lvds_fp_timing fp_timing;
	struct lvds_dvo_timing dvo_timing;
	struct lvds_pnp_id pnp_id;
} __packed;

struct bdb_lvds_lfp_data {
	struct bdb_lvds_lfp_data_entry data[16];
} __packed;

#define BDB_BACKLIGHT_TYPE_NONE	0
#define BDB_BACKLIGHT_TYPE_PWM	2

struct bdb_lfp_backlight_data_entry {
	u8 type:2;
	u8 active_low_pwm:1;
	u8 obsolete1:5;
	u16 pwm_freq_hz;
	u8 min_brightness;
	u8 obsolete2;
	u8 obsolete3;
} __packed;

struct bdb_lfp_backlight_data {
	u8 entry_size;
	struct bdb_lfp_backlight_data_entry data[16];
	u8 level[16];
} __packed;

struct aimdb_header {
	char signature[16];
	char oem_device[20];
	u16 aimdb_version;
	u16 aimdb_header_size;
	u16 aimdb_size;
} __packed;

struct aimdb_block {
	u8 aimdb_id;
	u16 aimdb_size;
} __packed;

struct vch_panel_data {
	u16 fp_timing_offset;
	u8 fp_timing_size;
	u16 dvo_timing_offset;
	u8 dvo_timing_size;
	u16 text_fitting_offset;
	u8 text_fitting_size;
	u16 graphics_fitting_offset;
	u8 graphics_fitting_size;
} __packed;

struct vch_bdb_22 {
	struct aimdb_block aimdb_block;
	struct vch_panel_data panels[16];
} __packed;

struct bdb_sdvo_lvds_options {
	u8 panel_backlight;
	u8 h40_set_panel_type;
	u8 panel_type;
	u8 ssc_clk_freq;
	u16 als_low_trip;
	u16 als_high_trip;
	u8 sclalarcoeff_tab_row_num;
	u8 sclalarcoeff_tab_row_size;
	u8 coefficient[8];
	u8 panel_misc_bits_1;
	u8 panel_misc_bits_2;
	u8 panel_misc_bits_3;
	u8 panel_misc_bits_4;
} __packed;


#define BDB_DRIVER_FEATURE_NO_LVDS		0
#define BDB_DRIVER_FEATURE_INT_LVDS		1
#define BDB_DRIVER_FEATURE_SDVO_LVDS		2
#define BDB_DRIVER_FEATURE_EDP			3

struct bdb_driver_features {
	u8 boot_dev_algorithm:1;
	u8 block_display_switch:1;
	u8 allow_display_switch:1;
	u8 hotplug_dvo:1;
	u8 dual_view_zoom:1;
	u8 int15h_hook:1;
	u8 sprite_in_clone:1;
	u8 primary_lfp_id:1;

	u16 boot_mode_x;
	u16 boot_mode_y;
	u8 boot_mode_bpp;
	u8 boot_mode_refresh;

	u16 enable_lfp_primary:1;
	u16 selective_mode_pruning:1;
	u16 dual_frequency:1;
	u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
	u16 nt_clone_support:1;
	u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
	u16 cui_aspect_scaling:1;
	u16 preserve_aspect_ratio:1;
	u16 sdvo_device_power_down:1;
	u16 crt_hotplug:1;
	u16 lvds_config:2;
	u16 tv_hotplug:1;
	u16 hdmi_config:2;

	u8 static_display:1;
	u8 reserved2:7;
	u16 legacy_crt_max_x;
	u16 legacy_crt_max_y;
	u8 legacy_crt_max_refresh;

	u8 hdmi_termination;
	u8 custom_vbt_version;
} __packed;

#define EDP_18BPP	0
#define EDP_24BPP	1
#define EDP_30BPP	2
#define EDP_RATE_1_62	0
#define EDP_RATE_2_7	1
#define EDP_LANE_1	0
#define EDP_LANE_2	1
#define EDP_LANE_4	3
#define EDP_PREEMPHASIS_NONE	0
#define EDP_PREEMPHASIS_3_5dB	1
#define EDP_PREEMPHASIS_6dB	2
#define EDP_PREEMPHASIS_9_5dB	3
#define EDP_VSWING_0_4V		0
#define EDP_VSWING_0_6V		1
#define EDP_VSWING_0_8V		2
#define EDP_VSWING_1_2V		3

struct edp_power_seq {
	u16 t1_t3;
	u16 t8;
	u16 t9;
	u16 t10;
	u16 t11_t12;
} __packed;

struct edp_link_params {
	u8 rate:4;
	u8 lanes:4;
	u8 preemphasis:4;
	u8 vswing:4;
} __packed;

struct bdb_edp {
	struct edp_power_seq power_seqs[16];
	u32 color_depth;
	struct edp_link_params link_params[16];
	u32 sdrrs_msa_timing_delay;

	/* ith bit indicates enabled/disabled for (i+1)th panel */
	u16 edp_s3d_feature;
	u16 edp_t3_optimization;
} __packed;

void intel_setup_bios(struct drm_device *dev);
int intel_parse_bios(struct drm_device *dev);

/*
 * Driver<->VBIOS interaction occurs through scratch bits in
 * GR18 & SWF*.
 */

/* GR18 bits are set on display switch and hotkey events */
#define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
#define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
#define   GR18_HK_NONE		(0x0<<3)
#define   GR18_HK_LFP_STRETCH	(0x1<<3)
#define   GR18_HK_TOGGLE_DISP	(0x2<<3)
#define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
#define   GR18_HK_POPUP_DISABLED (0x6<<3)
#define   GR18_HK_POPUP_ENABLED	(0x7<<3)
#define   GR18_HK_PFIT		(0x8<<3)
#define   GR18_HK_APM_CHANGE	(0xa<<3)
#define   GR18_HK_MULTIPLE	(0xc<<3)
#define GR18_USER_INT_EN	(1<<2)
#define GR18_A0000_FLUSH_EN	(1<<1)
#define GR18_SMM_EN		(1<<0)

/* Set by driver, cleared by VBIOS */
#define SWF00_YRES_SHIFT	16
#define SWF00_XRES_SHIFT	0
#define SWF00_RES_MASK		0xffff

/* Set by VBIOS at boot time and driver at runtime */
#define SWF01_TV2_FORMAT_SHIFT	8
#define SWF01_TV1_FORMAT_SHIFT	0
#define SWF01_TV_FORMAT_MASK	0xffff

#define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
#define SWF10_GTT_OVERRIDE_EN	(1<<28)
#define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
#define   SWF10_OLD_TOGGLE	0x0
#define   SWF10_TOGGLE_LIST_1	0x1
#define   SWF10_TOGGLE_LIST_2	0x2
#define   SWF10_TOGGLE_LIST_3	0x3
#define   SWF10_TOGGLE_LIST_4	0x4
#define SWF10_PANNING_EN	(1<<23)
#define SWF10_DRIVER_LOADED	(1<<22)
#define SWF10_EXTENDED_DESKTOP	(1<<21)
#define SWF10_EXCLUSIVE_MODE	(1<<20)
#define SWF10_OVERLAY_EN	(1<<19)
#define SWF10_PLANEB_HOLDOFF	(1<<18)
#define SWF10_PLANEA_HOLDOFF	(1<<17)
#define SWF10_VGA_HOLDOFF	(1<<16)
#define SWF10_ACTIVE_DISP_MASK	0xffff
#define   SWF10_PIPEB_LFP2	(1<<15)
#define   SWF10_PIPEB_EFP2	(1<<14)
#define   SWF10_PIPEB_TV2	(1<<13)
#define   SWF10_PIPEB_CRT2	(1<<12)
#define   SWF10_PIPEB_LFP	(1<<11)
#define   SWF10_PIPEB_EFP	(1<<10)
#define   SWF10_PIPEB_TV	(1<<9)
#define   SWF10_PIPEB_CRT	(1<<8)
#define   SWF10_PIPEA_LFP2	(1<<7)
#define   SWF10_PIPEA_EFP2	(1<<6)
#define   SWF10_PIPEA_TV2	(1<<5)
#define   SWF10_PIPEA_CRT2	(1<<4)
#define   SWF10_PIPEA_LFP	(1<<3)
#define   SWF10_PIPEA_EFP	(1<<2)
#define   SWF10_PIPEA_TV	(1<<1)
#define   SWF10_PIPEA_CRT	(1<<0)

#define SWF11_MEMORY_SIZE_SHIFT	16
#define SWF11_SV_TEST_EN	(1<<15)
#define SWF11_IS_AGP		(1<<14)
#define SWF11_DISPLAY_HOLDOFF	(1<<13)
#define SWF11_DPMS_REDUCED	(1<<12)
#define SWF11_IS_VBE_MODE	(1<<11)
#define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
#define SWF11_DPMS_MASK		0x07
#define   SWF11_DPMS_OFF	(1<<2)
#define   SWF11_DPMS_SUSPEND	(1<<1)
#define   SWF11_DPMS_STANDBY	(1<<0)
#define   SWF11_DPMS_ON		0

#define SWF14_GFX_PFIT_EN	(1<<31)
#define SWF14_TEXT_PFIT_EN	(1<<30)
#define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
#define SWF14_POPUP_EN		(1<<28)
#define SWF14_DISPLAY_HOLDOFF	(1<<27)
#define SWF14_DISP_DETECT_EN	(1<<26)
#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
#define SWF14_DRIVER_STATUS	(1<<24)
#define SWF14_OS_TYPE_WIN9X	(1<<23)
#define SWF14_OS_TYPE_WINNT	(1<<22)
/* 21:19 rsvd */
#define SWF14_PM_TYPE_MASK	0x00070000
#define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
#define   SWF14_PM_ACPI		(0x3 << 16)
#define   SWF14_PM_APM_12	(0x2 << 16)
#define   SWF14_PM_APM_11	(0x1 << 16)
#define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
          /* if GR18 indicates a display switch */
#define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
#define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
#define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
#define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
#define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
#define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
#define   SWF14_DS_PIPEB_TV_EN   (1<<9)
#define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
#define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
#define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
#define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
#define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
#define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
#define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
#define   SWF14_DS_PIPEA_TV_EN   (1<<1)
#define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
          /* if GR18 indicates a panel fitting request */
#define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
          /* if GR18 indicates an APM change request */
#define   SWF14_APM_HIBERNATE	0x4
#define   SWF14_APM_SUSPEND	0x3
#define   SWF14_APM_STANDBY	0x1
#define   SWF14_APM_RESTORE	0x0

/* Add the device class for LFP, TV, HDMI */
#define	 DEVICE_TYPE_INT_LFP	0x1022
#define	 DEVICE_TYPE_INT_TV	0x1009
#define	 DEVICE_TYPE_HDMI	0x60D2
#define	 DEVICE_TYPE_DP		0x68C6
#define	 DEVICE_TYPE_eDP	0x78C6

#define  DEVICE_TYPE_CLASS_EXTENSION	(1 << 15)
#define  DEVICE_TYPE_POWER_MANAGEMENT	(1 << 14)
#define  DEVICE_TYPE_HOTPLUG_SIGNALING	(1 << 13)
#define  DEVICE_TYPE_INTERNAL_CONNECTOR	(1 << 12)
#define  DEVICE_TYPE_NOT_HDMI_OUTPUT	(1 << 11)
#define  DEVICE_TYPE_MIPI_OUTPUT	(1 << 10)
#define  DEVICE_TYPE_COMPOSITE_OUTPUT	(1 << 9)
#define  DEVICE_TYPE_DUAL_CHANNEL	(1 << 8)
#define  DEVICE_TYPE_HIGH_SPEED_LINK	(1 << 6)
#define  DEVICE_TYPE_LVDS_SINGALING	(1 << 5)
#define  DEVICE_TYPE_TMDS_DVI_SIGNALING	(1 << 4)
#define  DEVICE_TYPE_VIDEO_SIGNALING	(1 << 3)
#define  DEVICE_TYPE_DISPLAYPORT_OUTPUT	(1 << 2)
#define  DEVICE_TYPE_DIGITAL_OUTPUT	(1 << 1)
#define  DEVICE_TYPE_ANALOG_OUTPUT	(1 << 0)

/*
 * Bits we care about when checking for DEVICE_TYPE_eDP
 * Depending on the system, the other bits may or may not
 * be set for eDP outputs.
 */
#define DEVICE_TYPE_eDP_BITS \
	(DEVICE_TYPE_INTERNAL_CONNECTOR | \
	 DEVICE_TYPE_NOT_HDMI_OUTPUT | \
	 DEVICE_TYPE_MIPI_OUTPUT | \
	 DEVICE_TYPE_COMPOSITE_OUTPUT | \
	 DEVICE_TYPE_DUAL_CHANNEL | \
	 DEVICE_TYPE_LVDS_SINGALING | \
	 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
	 DEVICE_TYPE_VIDEO_SIGNALING | \
	 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
	 DEVICE_TYPE_DIGITAL_OUTPUT | \
	 DEVICE_TYPE_ANALOG_OUTPUT)

/* define the DVO port for HDMI output type */
#define		DVO_B		1
#define		DVO_C		2
#define		DVO_D		3

/* define the PORT for DP output type */
#define		PORT_IDPB	7
#define		PORT_IDPC	8
#define		PORT_IDPD	9

/* Possible values for the "DVO Port" field for versions >= 155: */
#define DVO_PORT_HDMIA	0
#define DVO_PORT_HDMIB	1
#define DVO_PORT_HDMIC	2
#define DVO_PORT_HDMID	3
#define DVO_PORT_LVDS	4
#define DVO_PORT_TV	5
#define DVO_PORT_CRT	6
#define DVO_PORT_DPB	7
#define DVO_PORT_DPC	8
#define DVO_PORT_DPD	9
#define DVO_PORT_DPA	10

/* Block 52 contains MIPI Panel info
 * 6 such enteries will there. Index into correct
 * entery is based on the panel_index in #40 LFP
 */
#define MAX_MIPI_CONFIGURATIONS	6

#define MIPI_DSI_UNDEFINED_PANEL_ID	0
#define MIPI_DSI_GENERIC_PANEL_ID	1

struct mipi_config {
	u16 panel_id;

	/* General Params */
	u32 enable_dithering:1;
	u32 rsvd1:1;
	u32 is_bridge:1;

	u32 panel_arch_type:2;
	u32 is_cmd_mode:1;

#define NON_BURST_SYNC_PULSE	0x1
#define NON_BURST_SYNC_EVENTS	0x2
#define BURST_MODE		0x3
	u32 video_transfer_mode:2;

	u32 cabc_supported:1;
	u32 pwm_blc:1;

	/* Bit 13:10 */
#define PIXEL_FORMAT_RGB565			0x1
#define PIXEL_FORMAT_RGB666			0x2
#define PIXEL_FORMAT_RGB666_LOOSELY_PACKED	0x3
#define PIXEL_FORMAT_RGB888			0x4
	u32 videomode_color_format:4;

	/* Bit 15:14 */
#define ENABLE_ROTATION_0	0x0
#define ENABLE_ROTATION_90	0x1
#define ENABLE_ROTATION_180	0x2
#define ENABLE_ROTATION_270	0x3
	u32 rotation:2;
	u32 bta_enabled:1;
	u32 rsvd2:15;

	/* 2 byte Port Description */
#define DUAL_LINK_NOT_SUPPORTED	0
#define DUAL_LINK_FRONT_BACK	1
#define DUAL_LINK_PIXEL_ALT	2
	u16 dual_link:2;
	u16 lane_cnt:2;
	u16 rsvd3:12;

	u16 rsvd4;

	u8 rsvd5[5];
	u32 dsi_ddr_clk;
	u32 bridge_ref_clk;

#define  BYTE_CLK_SEL_20MHZ		0
#define  BYTE_CLK_SEL_10MHZ		1
#define  BYTE_CLK_SEL_5MHZ		2
	u8 byte_clk_sel:2;

	u8 rsvd6:6;

	/* DPHY Flags */
	u16 dphy_param_valid:1;
	u16 eot_pkt_disabled:1;
	u16 enable_clk_stop:1;
	u16 rsvd7:13;

	u32 hs_tx_timeout;
	u32 lp_rx_timeout;
	u32 turn_around_timeout;
	u32 device_reset_timer;
	u32 master_init_timer;
	u32 dbi_bw_timer;
	u32 lp_byte_clk_val;

	/*  4 byte Dphy Params */
	u32 prepare_cnt:6;
	u32 rsvd8:2;
	u32 clk_zero_cnt:8;
	u32 trail_cnt:5;
	u32 rsvd9:3;
	u32 exit_zero_cnt:6;
	u32 rsvd10:2;

	u32 clk_lane_switch_cnt;
	u32 hl_switch_cnt;

	u32 rsvd11[6];

	/* timings based on dphy spec */
	u8 tclk_miss;
	u8 tclk_post;
	u8 rsvd12;
	u8 tclk_pre;
	u8 tclk_prepare;
	u8 tclk_settle;
	u8 tclk_term_enable;
	u8 tclk_trail;
	u16 tclk_prepare_clkzero;
	u8 rsvd13;
	u8 td_term_enable;
	u8 teot;
	u8 ths_exit;
	u8 ths_prepare;
	u16 ths_prepare_hszero;
	u8 rsvd14;
	u8 ths_settle;
	u8 ths_skip;
	u8 ths_trail;
	u8 tinit;
	u8 tlpx;
	u8 rsvd15[3];

	/* GPIOs */
	u8 panel_enable;
	u8 bl_enable;
	u8 pwm_enable;
	u8 reset_r_n;
	u8 pwr_down_r;
	u8 stdby_r_n;

} __packed;

/* Block 52 contains MIPI configuration block
 * 6 * bdb_mipi_config, followed by 6 pps data
 * block below
 *
 * all delays has a unit of 100us
 */
struct mipi_pps_data {
	u16 panel_on_delay;
	u16 bl_enable_delay;
	u16 bl_disable_delay;
	u16 panel_off_delay;
	u16 panel_power_cycle_delay;
};

struct bdb_mipi_config {
	struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
	struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
};

/* Block 53 contains MIPI sequences as needed by the panel
 * for enabling it. This block can be variable in size and
 * can be maximum of 6 blocks
 */
struct bdb_mipi_sequence {
	u8 version;
	u8 data[0];
};

#endif /* _I830_BIOS_H_ */