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drm/i915/bios: amend bdb_general_features
[linux-2.6-block.git] / drivers / gpu / drm / i915 / intel_vbt_defs.h
CommitLineData
72341af4
JN		 1/*
2 * Copyright © 2006-2016 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/*
29 * This information is private to VBT parsing in intel_bios.c.
30 *
31 * Please do NOT include anywhere else.
32 */
33#ifndef _INTEL_BIOS_PRIVATE
34#error "intel_vbt_defs.h is private to intel_bios.c"
35#endif
36
37#ifndef _INTEL_VBT_DEFS_H_
38#define _INTEL_VBT_DEFS_H_
39
40#include "intel_bios.h"
41
42/**
43 * struct vbt_header - VBT Header structure
44 * @signature: VBT signature, always starts with "$VBT"
45 * @version: Version of this structure
46 * @header_size: Size of this structure
47 * @vbt_size: Size of VBT (VBT Header, BDB Header and data blocks)
48 * @vbt_checksum: Checksum
49 * @reserved0: Reserved
50 * @bdb_offset: Offset of &struct bdb_header from beginning of VBT
51 * @aim_offset: Offsets of add-in data blocks from beginning of VBT
52 */
53struct vbt_header {
54 u8 signature[20];
55 u16 version;
56 u16 header_size;
57 u16 vbt_size;
58 u8 vbt_checksum;
59 u8 reserved0;
60 u32 bdb_offset;
61 u32 aim_offset[4];
62} __packed;
63
64/**
65 * struct bdb_header - BDB Header structure
66 * @signature: BDB signature "BIOS_DATA_BLOCK"
67 * @version: Version of the data block definitions
68 * @header_size: Size of this structure
69 * @bdb_size: Size of BDB (BDB Header and data blocks)
70 */
71struct bdb_header {
72 u8 signature[16];
73 u16 version;
74 u16 header_size;
75 u16 bdb_size;
76} __packed;
77
78/* strictly speaking, this is a "skip" block, but it has interesting info */
79struct vbios_data {
80 u8 type; /* 0 == desktop, 1 == mobile */
81 u8 relstage;
82 u8 chipset;
83 u8 lvds_present:1;
84 u8 tv_present:1;
85 u8 rsvd2:6; /* finish byte */
86 u8 rsvd3[4];
87 u8 signon[155];
88 u8 copyright[61];
89 u16 code_segment;
90 u8 dos_boot_mode;
91 u8 bandwidth_percent;
92 u8 rsvd4; /* popup memory size */
93 u8 resize_pci_bios;
94 u8 rsvd5; /* is crt already on ddc2 */
95} __packed;
96
97/*
98 * There are several types of BIOS data blocks (BDBs), each block has
99 * an ID and size in the first 3 bytes (ID in first, size in next 2).
100 * Known types are listed below.
101 */
102#define BDB_GENERAL_FEATURES 1
103#define BDB_GENERAL_DEFINITIONS 2
104#define BDB_OLD_TOGGLE_LIST 3
105#define BDB_MODE_SUPPORT_LIST 4
106#define BDB_GENERIC_MODE_TABLE 5
107#define BDB_EXT_MMIO_REGS 6
108#define BDB_SWF_IO 7
109#define BDB_SWF_MMIO 8
110#define BDB_PSR 9
111#define BDB_MODE_REMOVAL_TABLE 10
112#define BDB_CHILD_DEVICE_TABLE 11
113#define BDB_DRIVER_FEATURES 12
114#define BDB_DRIVER_PERSISTENCE 13
115#define BDB_EXT_TABLE_PTRS 14
116#define BDB_DOT_CLOCK_OVERRIDE 15
117#define BDB_DISPLAY_SELECT 16
118/* 17 rsvd */
119#define BDB_DRIVER_ROTATION 18
120#define BDB_DISPLAY_REMOVE 19
121#define BDB_OEM_CUSTOM 20
122#define BDB_EFP_LIST 21 /* workarounds for VGA hsync/vsync */
123#define BDB_SDVO_LVDS_OPTIONS 22
124#define BDB_SDVO_PANEL_DTDS 23
125#define BDB_SDVO_LVDS_PNP_IDS 24
126#define BDB_SDVO_LVDS_POWER_SEQ 25
127#define BDB_TV_OPTIONS 26
128#define BDB_EDP 27
129#define BDB_LVDS_OPTIONS 40
130#define BDB_LVDS_LFP_DATA_PTRS 41
131#define BDB_LVDS_LFP_DATA 42
132#define BDB_LVDS_BACKLIGHT 43
133#define BDB_LVDS_POWER 44
134#define BDB_MIPI_CONFIG 52
135#define BDB_MIPI_SEQUENCE 53
136#define BDB_SKIP 254 /* VBIOS private block, ignore */
137
138struct bdb_general_features {
139 /* bits 1 */
140 u8 panel_fitting:2;
141 u8 flexaim:1;
142 u8 msg_enable:1;
143 u8 clear_screen:3;
144 u8 color_flip:1;
145
146 /* bits 2 */
147 u8 download_ext_vbt:1;
148 u8 enable_ssc:1;
149 u8 ssc_freq:1;
150 u8 enable_lfp_on_override:1;
151 u8 disable_ssc_ddt:1;
e445dd18 152 u8 underscan_vga_timings:1;
72341af4 153 u8 display_clock_mode:1;
e445dd18 154 u8 vbios_hotplug_support:1;
72341af4
JN		 155
156 /* bits 3 */
157 u8 disable_smooth_vision:1;
158 u8 single_dvi:1;
e445dd18 159 u8 rotate_180:1; /* 181 */
72341af4 160 u8 fdi_rx_polarity_inverted:1;
e445dd18
JN		 161 u8 vbios_extended_mode:1; /* 160 */
162 u8 copy_ilfp_dtd_to_sdvo_lvds_dtd:1; /* 160 */
163 u8 panel_best_fit_timing:1; /* 160 */
164 u8 ignore_strap_state:1; /* 160 */
72341af4
JN		 165
166 /* bits 4 */
167 u8 legacy_monitor_detect;
168
169 /* bits 5 */
170 u8 int_crt_support:1;
171 u8 int_tv_support:1;
172 u8 int_efp_support:1;
e445dd18 173 u8 dp_ssc_enable:1; /* PCH attached eDP supports SSC */
72341af4 174 u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
e445dd18
JN		 175 u8 dp_ssc_dongle_supported:1;
176 u8 rsvd11:2; /* finish byte */
72341af4
JN		 177} __packed;
178
179/* pre-915 */
180#define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
181#define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
182#define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
183#define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
184
185/* Pre 915 */
186#define DEVICE_TYPE_NONE 0x00
187#define DEVICE_TYPE_CRT 0x01
188#define DEVICE_TYPE_TV 0x09
189#define DEVICE_TYPE_EFP 0x12
190#define DEVICE_TYPE_LFP 0x22
191/* On 915+ */
192#define DEVICE_TYPE_CRT_DPMS 0x6001
193#define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
194#define DEVICE_TYPE_TV_COMPOSITE 0x0209
195#define DEVICE_TYPE_TV_MACROVISION 0x0289
196#define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
197#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
198#define DEVICE_TYPE_TV_SCART 0x0209
199#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
200#define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
201#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
202#define DEVICE_TYPE_EFP_DVI_I 0x6053
203#define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
204#define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
205#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
206#define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
207#define DEVICE_TYPE_LFP_PANELLINK 0x5012
208#define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
209#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
210#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
211#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
212
6a794c8a
JN		 213/* Add the device class for LFP, TV, HDMI */
214#define DEVICE_TYPE_INT_LFP 0x1022
215#define DEVICE_TYPE_INT_TV 0x1009
216#define DEVICE_TYPE_HDMI 0x60D2
217#define DEVICE_TYPE_DP 0x68C6
218#define DEVICE_TYPE_DP_DUAL_MODE 0x60D6
219#define DEVICE_TYPE_eDP 0x78C6
220
221#define DEVICE_TYPE_CLASS_EXTENSION (1 << 15)
222#define DEVICE_TYPE_POWER_MANAGEMENT (1 << 14)
223#define DEVICE_TYPE_HOTPLUG_SIGNALING (1 << 13)
224#define DEVICE_TYPE_INTERNAL_CONNECTOR (1 << 12)
225#define DEVICE_TYPE_NOT_HDMI_OUTPUT (1 << 11)
226#define DEVICE_TYPE_MIPI_OUTPUT (1 << 10)
227#define DEVICE_TYPE_COMPOSITE_OUTPUT (1 << 9)
228#define DEVICE_TYPE_DUAL_CHANNEL (1 << 8)
229#define DEVICE_TYPE_HIGH_SPEED_LINK (1 << 6)
230#define DEVICE_TYPE_LVDS_SINGALING (1 << 5)
231#define DEVICE_TYPE_TMDS_DVI_SIGNALING (1 << 4)
232#define DEVICE_TYPE_VIDEO_SIGNALING (1 << 3)
233#define DEVICE_TYPE_DISPLAYPORT_OUTPUT (1 << 2)
234#define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1)
235#define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0)
236
237/*
238 * Bits we care about when checking for DEVICE_TYPE_eDP. Depending on the
239 * system, the other bits may or may not be set for eDP outputs.
240 */
241#define DEVICE_TYPE_eDP_BITS \
242 (DEVICE_TYPE_INTERNAL_CONNECTOR | \
243 DEVICE_TYPE_MIPI_OUTPUT | \
244 DEVICE_TYPE_COMPOSITE_OUTPUT | \
245 DEVICE_TYPE_DUAL_CHANNEL | \
246 DEVICE_TYPE_LVDS_SINGALING | \
247 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
248 DEVICE_TYPE_VIDEO_SIGNALING | \
249 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
250 DEVICE_TYPE_ANALOG_OUTPUT)
251
252#define DEVICE_TYPE_DP_DUAL_MODE_BITS \
253 (DEVICE_TYPE_INTERNAL_CONNECTOR | \
254 DEVICE_TYPE_MIPI_OUTPUT | \
255 DEVICE_TYPE_COMPOSITE_OUTPUT | \
256 DEVICE_TYPE_LVDS_SINGALING | \
257 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
258 DEVICE_TYPE_VIDEO_SIGNALING | \
259 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
260 DEVICE_TYPE_DIGITAL_OUTPUT | \
261 DEVICE_TYPE_ANALOG_OUTPUT)
262
72341af4
JN		 263#define DEVICE_CFG_NONE 0x00
264#define DEVICE_CFG_12BIT_DVOB 0x01
265#define DEVICE_CFG_12BIT_DVOC 0x02
266#define DEVICE_CFG_24BIT_DVOBC 0x09
267#define DEVICE_CFG_24BIT_DVOCB 0x0a
268#define DEVICE_CFG_DUAL_DVOB 0x11
269#define DEVICE_CFG_DUAL_DVOC 0x12
270#define DEVICE_CFG_DUAL_DVOBC 0x13
271#define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
272#define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
273
274#define DEVICE_WIRE_NONE 0x00
275#define DEVICE_WIRE_DVOB 0x01
276#define DEVICE_WIRE_DVOC 0x02
277#define DEVICE_WIRE_DVOBC 0x03
278#define DEVICE_WIRE_DVOBB 0x05
279#define DEVICE_WIRE_DVOCC 0x06
280#define DEVICE_WIRE_DVOB_MASTER 0x0d
281#define DEVICE_WIRE_DVOC_MASTER 0x0e
282
fca36df5 283/* dvo_port pre BDB 155 */
72341af4
JN		 284#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
285#define DEVICE_PORT_DVOB 0x01
286#define DEVICE_PORT_DVOC 0x02
287
fca36df5
JN		 288/* dvo_port BDB 155+ */
289#define DVO_PORT_HDMIA 0
290#define DVO_PORT_HDMIB 1
291#define DVO_PORT_HDMIC 2
292#define DVO_PORT_HDMID 3
293#define DVO_PORT_LVDS 4
294#define DVO_PORT_TV 5
295#define DVO_PORT_CRT 6
296#define DVO_PORT_DPB 7
297#define DVO_PORT_DPC 8
298#define DVO_PORT_DPD 9
299#define DVO_PORT_DPA 10
300#define DVO_PORT_DPE 11 /* 193 */
301#define DVO_PORT_HDMIE 12 /* 193 */
302#define DVO_PORT_MIPIA 21 /* 171 */
303#define DVO_PORT_MIPIB 22 /* 171 */
304#define DVO_PORT_MIPIC 23 /* 171 */
305#define DVO_PORT_MIPID 24 /* 171 */
306
21907e72 307#define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33
72341af4 308
56f304e9
JN		 309/*
310 * The child device config, aka the display device data structure, provides a
311 * description of a port and its configuration on the platform.
312 *
313 * The child device config size has been increased, and fields have been added
314 * and their meaning has changed over time. Care must be taken when accessing
315 * basically any of the fields to ensure the correct interpretation for the BDB
316 * version in question.
317 *
318 * When we copy the child device configs to dev_priv->vbt.child_dev, we reserve
319 * space for the full structure below, and initialize the tail not actually
320 * present in VBT to zeros. Accessing those fields is fine, as long as the
321 * default zero is taken into account, again according to the BDB version.
322 *
323 * BDB versions 155 and below are considered legacy, and version 155 seems to be
324 * a baseline for some of the VBT documentation. When adding new fields, please
325 * include the BDB version when the field was added, if it's above that.
326 */
cc998589 327struct child_device_config {
72341af4 328 u16 handle;
6a794c8a 329 u16 device_type; /* See DEVICE_TYPE_* above */
56f304e9
JN		 330
331 union {
332 u8 device_id[10]; /* ascii string */
333 struct {
334 u8 i2c_speed;
335 u8 dp_onboard_redriver; /* 158 */
336 u8 dp_ondock_redriver; /* 158 */
337 u8 hdmi_level_shifter_value:4; /* 169 */
338 u8 hdmi_max_data_rate:4; /* 204 */
339 u16 dtd_buf_ptr; /* 161 */
340 u8 edidless_efp:1; /* 161 */
341 u8 compression_enable:1; /* 198 */
342 u8 compression_method:1; /* 198 */
343 u8 ganged_edp:1; /* 202 */
344 u8 reserved0:4;
345 u8 compression_structure_index:4; /* 198 */
346 u8 reserved1:4;
347 u8 slave_port; /* 202 */
348 u8 reserved2;
349 } __packed;
350 } __packed;
351
f865f7e1 352 u16 addin_offset;
fca36df5 353 u8 dvo_port; /* See DEVICE_PORT_* and DVO_PORT_* above */
f865f7e1
JN		 354 u8 i2c_pin;
355 u8 slave_addr;
72341af4
JN		 356 u8 ddc_pin;
357 u16 edid_ptr;
4e27bd50 358 u8 dvo_cfg; /* See DEVICE_CFG_* above */
56f304e9
JN		 359
360 union {
361 struct {
362 u8 dvo2_port;
363 u8 i2c2_pin;
364 u8 slave2_addr;
365 u8 ddc2_pin;
366 } __packed;
367 struct {
368 u8 efp_routed:1; /* 158 */
369 u8 lane_reversal:1; /* 184 */
370 u8 lspcon:1; /* 192 */
371 u8 iboost:1; /* 196 */
372 u8 hpd_invert:1; /* 196 */
373 u8 flag_reserved:3;
374 u8 hdmi_support:1; /* 158 */
375 u8 dp_support:1; /* 158 */
376 u8 tmds_support:1; /* 158 */
377 u8 support_reserved:5;
378 u8 aux_channel;
379 u8 dongle_detect;
380 } __packed;
381 } __packed;
382
f865f7e1
JN		 383 u8 capabilities;
384 u8 dvo_wiring; /* See DEVICE_WIRE_* above */
56f304e9
JN		 385
386 union {
387 u8 dvo2_wiring;
388 u8 mipi_bridge_type; /* 171 */
389 } __packed;
390
f865f7e1
JN		 391 u16 extended_type;
392 u8 dvo_function;
393 u8 flags2; /* 195 */
394 u8 dp_gpio_index; /* 195 */
395 u16 dp_gpio_pin_num; /* 195 */
f22bb358
JN		 396 u8 dp_iboost_level:4; /* 196 */
397 u8 hdmi_iboost_level:4; /* 196 */
72341af4
JN		 398} __packed;
399
72341af4
JN		 400struct bdb_general_definitions {
401 /* DDC GPIO */
402 u8 crt_ddc_gmbus_pin;
403
404 /* DPMS bits */
405 u8 dpms_acpi:1;
406 u8 skip_boot_crt_detect:1;
407 u8 dpms_aim:1;
408 u8 rsvd1:5; /* finish byte */
409
410 /* boot device bits */
411 u8 boot_display[2];
412 u8 child_dev_size;
413
414 /*
415 * Device info:
416 * If TV is present, it'll be at devices[0].
417 * LVDS will be next, either devices[0] or [1], if present.
418 * On some platforms the number of device is 6. But could be as few as
419 * 4 if both TV and LVDS are missing.
420 * And the device num is related with the size of general definition
421 * block. It is obtained by using the following formula:
422 * number = (block_size - sizeof(bdb_general_definitions))/
423 * defs->child_dev_size;
424 */
425 uint8_t devices[0];
426} __packed;
427
428/* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
429#define MODE_MASK 0x3
430
431struct bdb_lvds_options {
432 u8 panel_type;
433 u8 rsvd1;
434 /* LVDS capabilities, stored in a dword */
435 u8 pfit_mode:2;
436 u8 pfit_text_mode_enhanced:1;
437 u8 pfit_gfx_mode_enhanced:1;
438 u8 pfit_ratio_auto:1;
439 u8 pixel_dither:1;
440 u8 lvds_edid:1;
441 u8 rsvd2:1;
442 u8 rsvd4;
443 /* LVDS Panel channel bits stored here */
444 u32 lvds_panel_channel_bits;
445 /* LVDS SSC (Spread Spectrum Clock) bits stored here. */
446 u16 ssc_bits;
447 u16 ssc_freq;
448 u16 ssc_ddt;
449 /* Panel color depth defined here */
450 u16 panel_color_depth;
451 /* LVDS panel type bits stored here */
452 u32 dps_panel_type_bits;
453 /* LVDS backlight control type bits stored here */
454 u32 blt_control_type_bits;
455} __packed;
456
457/* LFP pointer table contains entries to the struct below */
458struct bdb_lvds_lfp_data_ptr {
459 u16 fp_timing_offset; /* offsets are from start of bdb */
460 u8 fp_table_size;
461 u16 dvo_timing_offset;
462 u8 dvo_table_size;
463 u16 panel_pnp_id_offset;
464 u8 pnp_table_size;
465} __packed;
466
467struct bdb_lvds_lfp_data_ptrs {
468 u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
469 struct bdb_lvds_lfp_data_ptr ptr[16];
470} __packed;
471
472/* LFP data has 3 blocks per entry */
473struct lvds_fp_timing {
474 u16 x_res;
475 u16 y_res;
476 u32 lvds_reg;
477 u32 lvds_reg_val;
478 u32 pp_on_reg;
479 u32 pp_on_reg_val;
480 u32 pp_off_reg;
481 u32 pp_off_reg_val;
482 u32 pp_cycle_reg;
483 u32 pp_cycle_reg_val;
484 u32 pfit_reg;
485 u32 pfit_reg_val;
486 u16 terminator;
487} __packed;
488
489struct lvds_dvo_timing {
490 u16 clock; /**< In 10khz */
491 u8 hactive_lo;
492 u8 hblank_lo;
493 u8 hblank_hi:4;
494 u8 hactive_hi:4;
495 u8 vactive_lo;
496 u8 vblank_lo;
497 u8 vblank_hi:4;
498 u8 vactive_hi:4;
499 u8 hsync_off_lo;
ce2e87b4
VT		 500 u8 hsync_pulse_width_lo;
501 u8 vsync_pulse_width_lo:4;
502 u8 vsync_off_lo:4;
503 u8 vsync_pulse_width_hi:2;
504 u8 vsync_off_hi:2;
505 u8 hsync_pulse_width_hi:2;
72341af4 506 u8 hsync_off_hi:2;
df457245
VS		 507 u8 himage_lo;
508 u8 vimage_lo;
509 u8 vimage_hi:4;
510 u8 himage_hi:4;
72341af4
JN		 511 u8 h_border;
512 u8 v_border;
513 u8 rsvd1:3;
514 u8 digital:2;
515 u8 vsync_positive:1;
516 u8 hsync_positive:1;
ce2e87b4 517 u8 non_interlaced:1;
72341af4
JN		 518} __packed;
519
520struct lvds_pnp_id {
521 u16 mfg_name;
522 u16 product_code;
523 u32 serial;
524 u8 mfg_week;
525 u8 mfg_year;
526} __packed;
527
528struct bdb_lvds_lfp_data_entry {
529 struct lvds_fp_timing fp_timing;
530 struct lvds_dvo_timing dvo_timing;
531 struct lvds_pnp_id pnp_id;
532} __packed;
533
534struct bdb_lvds_lfp_data {
535 struct bdb_lvds_lfp_data_entry data[16];
536} __packed;
537
538#define BDB_BACKLIGHT_TYPE_NONE 0
539#define BDB_BACKLIGHT_TYPE_PWM 2
540
541struct bdb_lfp_backlight_data_entry {
542 u8 type:2;
543 u8 active_low_pwm:1;
544 u8 obsolete1:5;
545 u16 pwm_freq_hz;
546 u8 min_brightness;
547 u8 obsolete2;
548 u8 obsolete3;
549} __packed;
550
9a41e17d
D		 551struct bdb_lfp_backlight_control_method {
552 u8 type:4;
553 u8 controller:4;
554} __packed;
555
72341af4
JN		 556struct bdb_lfp_backlight_data {
557 u8 entry_size;
558 struct bdb_lfp_backlight_data_entry data[16];
559 u8 level[16];
9a41e17d 560 struct bdb_lfp_backlight_control_method backlight_control[16];
72341af4
JN		 561} __packed;
562
563struct aimdb_header {
564 char signature[16];
565 char oem_device[20];
566 u16 aimdb_version;
567 u16 aimdb_header_size;
568 u16 aimdb_size;
569} __packed;
570
571struct aimdb_block {
572 u8 aimdb_id;
573 u16 aimdb_size;
574} __packed;
575
576struct vch_panel_data {
577 u16 fp_timing_offset;
578 u8 fp_timing_size;
579 u16 dvo_timing_offset;
580 u8 dvo_timing_size;
581 u16 text_fitting_offset;
582 u8 text_fitting_size;
583 u16 graphics_fitting_offset;
584 u8 graphics_fitting_size;
585} __packed;
586
587struct vch_bdb_22 {
588 struct aimdb_block aimdb_block;
589 struct vch_panel_data panels[16];
590} __packed;
591
592struct bdb_sdvo_lvds_options {
593 u8 panel_backlight;
594 u8 h40_set_panel_type;
595 u8 panel_type;
596 u8 ssc_clk_freq;
597 u16 als_low_trip;
598 u16 als_high_trip;
599 u8 sclalarcoeff_tab_row_num;
600 u8 sclalarcoeff_tab_row_size;
601 u8 coefficient[8];
602 u8 panel_misc_bits_1;
603 u8 panel_misc_bits_2;
604 u8 panel_misc_bits_3;
605 u8 panel_misc_bits_4;
606} __packed;
607
608
609#define BDB_DRIVER_FEATURE_NO_LVDS 0
610#define BDB_DRIVER_FEATURE_INT_LVDS 1
611#define BDB_DRIVER_FEATURE_SDVO_LVDS 2
612#define BDB_DRIVER_FEATURE_EDP 3
613
614struct bdb_driver_features {
615 u8 boot_dev_algorithm:1;
616 u8 block_display_switch:1;
617 u8 allow_display_switch:1;
618 u8 hotplug_dvo:1;
619 u8 dual_view_zoom:1;
620 u8 int15h_hook:1;
621 u8 sprite_in_clone:1;
622 u8 primary_lfp_id:1;
623
624 u16 boot_mode_x;
625 u16 boot_mode_y;
626 u8 boot_mode_bpp;
627 u8 boot_mode_refresh;
628
629 u16 enable_lfp_primary:1;
630 u16 selective_mode_pruning:1;
631 u16 dual_frequency:1;
632 u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
633 u16 nt_clone_support:1;
634 u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
635 u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
636 u16 cui_aspect_scaling:1;
637 u16 preserve_aspect_ratio:1;
638 u16 sdvo_device_power_down:1;
639 u16 crt_hotplug:1;
640 u16 lvds_config:2;
641 u16 tv_hotplug:1;
642 u16 hdmi_config:2;
643
644 u8 static_display:1;
645 u8 reserved2:7;
646 u16 legacy_crt_max_x;
647 u16 legacy_crt_max_y;
648 u8 legacy_crt_max_refresh;
649
650 u8 hdmi_termination;
651 u8 custom_vbt_version;
652 /* Driver features data block */
653 u16 rmpm_enabled:1;
654 u16 s2ddt_enabled:1;
655 u16 dpst_enabled:1;
656 u16 bltclt_enabled:1;
657 u16 adb_enabled:1;
658 u16 drrs_enabled:1;
659 u16 grs_enabled:1;
660 u16 gpmt_enabled:1;
661 u16 tbt_enabled:1;
662 u16 psr_enabled:1;
663 u16 ips_enabled:1;
664 u16 reserved3:4;
665 u16 pc_feature_valid:1;
666} __packed;
667
668#define EDP_18BPP 0
669#define EDP_24BPP 1
670#define EDP_30BPP 2
671#define EDP_RATE_1_62 0
672#define EDP_RATE_2_7 1
673#define EDP_LANE_1 0
674#define EDP_LANE_2 1
675#define EDP_LANE_4 3
676#define EDP_PREEMPHASIS_NONE 0
677#define EDP_PREEMPHASIS_3_5dB 1
678#define EDP_PREEMPHASIS_6dB 2
679#define EDP_PREEMPHASIS_9_5dB 3
680#define EDP_VSWING_0_4V 0
681#define EDP_VSWING_0_6V 1
682#define EDP_VSWING_0_8V 2
683#define EDP_VSWING_1_2V 3
684
685
686struct edp_link_params {
687 u8 rate:4;
688 u8 lanes:4;
689 u8 preemphasis:4;
690 u8 vswing:4;
691} __packed;
692
693struct bdb_edp {
694 struct edp_power_seq power_seqs[16];
695 u32 color_depth;
696 struct edp_link_params link_params[16];
697 u32 sdrrs_msa_timing_delay;
698
699 /* ith bit indicates enabled/disabled for (i+1)th panel */
700 u16 edp_s3d_feature;
701 u16 edp_t3_optimization;
702 u64 edp_vswing_preemph; /* v173 */
703} __packed;
704
705struct psr_table {
706 /* Feature bits */
707 u8 full_link:1;
708 u8 require_aux_to_wakeup:1;
709 u8 feature_bits_rsvd:6;
710
711 /* Wait times */
712 u8 idle_frames:4;
713 u8 lines_to_wait:3;
714 u8 wait_times_rsvd:1;
715
716 /* TP wake up time in multiple of 100 */
717 u16 tp1_wakeup_time;
718 u16 tp2_tp3_wakeup_time;
719} __packed;
720
721struct bdb_psr {
722 struct psr_table psr_table[16];
723} __packed;
724
725/*
726 * Driver<->VBIOS interaction occurs through scratch bits in
727 * GR18 & SWF*.
728 */
729
730/* GR18 bits are set on display switch and hotkey events */
731#define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
732#define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
733#define GR18_HK_NONE (0x0<<3)
734#define GR18_HK_LFP_STRETCH (0x1<<3)
735#define GR18_HK_TOGGLE_DISP (0x2<<3)
736#define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
737#define GR18_HK_POPUP_DISABLED (0x6<<3)
738#define GR18_HK_POPUP_ENABLED (0x7<<3)
739#define GR18_HK_PFIT (0x8<<3)
740#define GR18_HK_APM_CHANGE (0xa<<3)
741#define GR18_HK_MULTIPLE (0xc<<3)
742#define GR18_USER_INT_EN (1<<2)
743#define GR18_A0000_FLUSH_EN (1<<1)
744#define GR18_SMM_EN (1<<0)
745
746/* Set by driver, cleared by VBIOS */
747#define SWF00_YRES_SHIFT 16
748#define SWF00_XRES_SHIFT 0
749#define SWF00_RES_MASK 0xffff
750
751/* Set by VBIOS at boot time and driver at runtime */
752#define SWF01_TV2_FORMAT_SHIFT 8
753#define SWF01_TV1_FORMAT_SHIFT 0
754#define SWF01_TV_FORMAT_MASK 0xffff
755
756#define SWF10_VBIOS_BLC_I2C_EN (1<<29)
757#define SWF10_GTT_OVERRIDE_EN (1<<28)
758#define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
759#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
760#define SWF10_OLD_TOGGLE 0x0
761#define SWF10_TOGGLE_LIST_1 0x1
762#define SWF10_TOGGLE_LIST_2 0x2
763#define SWF10_TOGGLE_LIST_3 0x3
764#define SWF10_TOGGLE_LIST_4 0x4
765#define SWF10_PANNING_EN (1<<23)
766#define SWF10_DRIVER_LOADED (1<<22)
767#define SWF10_EXTENDED_DESKTOP (1<<21)
768#define SWF10_EXCLUSIVE_MODE (1<<20)
769#define SWF10_OVERLAY_EN (1<<19)
770#define SWF10_PLANEB_HOLDOFF (1<<18)
771#define SWF10_PLANEA_HOLDOFF (1<<17)
772#define SWF10_VGA_HOLDOFF (1<<16)
773#define SWF10_ACTIVE_DISP_MASK 0xffff
774#define SWF10_PIPEB_LFP2 (1<<15)
775#define SWF10_PIPEB_EFP2 (1<<14)
776#define SWF10_PIPEB_TV2 (1<<13)
777#define SWF10_PIPEB_CRT2 (1<<12)
778#define SWF10_PIPEB_LFP (1<<11)
779#define SWF10_PIPEB_EFP (1<<10)
780#define SWF10_PIPEB_TV (1<<9)
781#define SWF10_PIPEB_CRT (1<<8)
782#define SWF10_PIPEA_LFP2 (1<<7)
783#define SWF10_PIPEA_EFP2 (1<<6)
784#define SWF10_PIPEA_TV2 (1<<5)
785#define SWF10_PIPEA_CRT2 (1<<4)
786#define SWF10_PIPEA_LFP (1<<3)
787#define SWF10_PIPEA_EFP (1<<2)
788#define SWF10_PIPEA_TV (1<<1)
789#define SWF10_PIPEA_CRT (1<<0)
790
791#define SWF11_MEMORY_SIZE_SHIFT 16
792#define SWF11_SV_TEST_EN (1<<15)
793#define SWF11_IS_AGP (1<<14)
794#define SWF11_DISPLAY_HOLDOFF (1<<13)
795#define SWF11_DPMS_REDUCED (1<<12)
796#define SWF11_IS_VBE_MODE (1<<11)
797#define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
798#define SWF11_DPMS_MASK 0x07
799#define SWF11_DPMS_OFF (1<<2)
800#define SWF11_DPMS_SUSPEND (1<<1)
801#define SWF11_DPMS_STANDBY (1<<0)
802#define SWF11_DPMS_ON 0
803
804#define SWF14_GFX_PFIT_EN (1<<31)
805#define SWF14_TEXT_PFIT_EN (1<<30)
806#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
807#define SWF14_POPUP_EN (1<<28)
808#define SWF14_DISPLAY_HOLDOFF (1<<27)
809#define SWF14_DISP_DETECT_EN (1<<26)
810#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
811#define SWF14_DRIVER_STATUS (1<<24)
812#define SWF14_OS_TYPE_WIN9X (1<<23)
813#define SWF14_OS_TYPE_WINNT (1<<22)
814/* 21:19 rsvd */
815#define SWF14_PM_TYPE_MASK 0x00070000
816#define SWF14_PM_ACPI_VIDEO (0x4 << 16)
817#define SWF14_PM_ACPI (0x3 << 16)
818#define SWF14_PM_APM_12 (0x2 << 16)
819#define SWF14_PM_APM_11 (0x1 << 16)
820#define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
821 /* if GR18 indicates a display switch */
822#define SWF14_DS_PIPEB_LFP2_EN (1<<15)
823#define SWF14_DS_PIPEB_EFP2_EN (1<<14)
824#define SWF14_DS_PIPEB_TV2_EN (1<<13)
825#define SWF14_DS_PIPEB_CRT2_EN (1<<12)
826#define SWF14_DS_PIPEB_LFP_EN (1<<11)
827#define SWF14_DS_PIPEB_EFP_EN (1<<10)
828#define SWF14_DS_PIPEB_TV_EN (1<<9)
829#define SWF14_DS_PIPEB_CRT_EN (1<<8)
830#define SWF14_DS_PIPEA_LFP2_EN (1<<7)
831#define SWF14_DS_PIPEA_EFP2_EN (1<<6)
832#define SWF14_DS_PIPEA_TV2_EN (1<<5)
833#define SWF14_DS_PIPEA_CRT2_EN (1<<4)
834#define SWF14_DS_PIPEA_LFP_EN (1<<3)
835#define SWF14_DS_PIPEA_EFP_EN (1<<2)
836#define SWF14_DS_PIPEA_TV_EN (1<<1)
837#define SWF14_DS_PIPEA_CRT_EN (1<<0)
838 /* if GR18 indicates a panel fitting request */
839#define SWF14_PFIT_EN (1<<0) /* 0 means disable */
840 /* if GR18 indicates an APM change request */
841#define SWF14_APM_HIBERNATE 0x4
842#define SWF14_APM_SUSPEND 0x3
843#define SWF14_APM_STANDBY 0x1
844#define SWF14_APM_RESTORE 0x0
845
72341af4
JN		 846/* Block 52 contains MIPI configuration block
847 * 6 * bdb_mipi_config, followed by 6 pps data block
848 * block below
849 */
850#define MAX_MIPI_CONFIGURATIONS 6
851
852struct bdb_mipi_config {
853 struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
854 struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
855} __packed;
856
857/* Block 53 contains MIPI sequences as needed by the panel
858 * for enabling it. This block can be variable in size and
859 * can be maximum of 6 blocks
860 */
861struct bdb_mipi_sequence {
862 u8 version;
863 u8 data[0];
864} __packed;
865
866enum mipi_gpio_pin_index {
867 MIPI_GPIO_UNDEFINED = 0,
868 MIPI_GPIO_PANEL_ENABLE,
869 MIPI_GPIO_BL_ENABLE,
870 MIPI_GPIO_PWM_ENABLE,
871 MIPI_GPIO_RESET_N,
872 MIPI_GPIO_PWR_DOWN_R,
873 MIPI_GPIO_STDBY_RST_N,
874 MIPI_GPIO_MAX
875};
876
877#endif /* _INTEL_VBT_DEFS_H_ */
Linux 6.x block layer and io_uring tree(s)