bpf: Prevent memory disambiguation attack
[linux/fpc-iii.git] / drivers / gpu / drm / i915 / intel_vbt_defs.h
blob98dff6058d3c92a50dddc0d0634879d9efdcbdbd
1 /*
2 * Copyright © 2006-2016 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
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.
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
29 * This information is private to VBT parsing in intel_bios.c.
31 * Please do NOT include anywhere else.
33 #ifndef _INTEL_BIOS_PRIVATE
34 #error "intel_vbt_defs.h is private to intel_bios.c"
35 #endif
37 #ifndef _INTEL_VBT_DEFS_H_
38 #define _INTEL_VBT_DEFS_H_
40 #include "intel_bios.h"
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
53 struct 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;
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)
71 struct bdb_header {
72 u8 signature[16];
73 u16 version;
74 u16 header_size;
75 u16 bdb_size;
76 } __packed;
78 /* strictly speaking, this is a "skip" block, but it has interesting info */
79 struct 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;
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.
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 */
138 struct 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;
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;
152 u8 underscan_vga_timings:1;
153 u8 display_clock_mode:1;
154 u8 vbios_hotplug_support:1;
156 /* bits 3 */
157 u8 disable_smooth_vision:1;
158 u8 single_dvi:1;
159 u8 rotate_180:1; /* 181 */
160 u8 fdi_rx_polarity_inverted:1;
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 */
166 /* bits 4 */
167 u8 legacy_monitor_detect;
169 /* bits 5 */
170 u8 int_crt_support:1;
171 u8 int_tv_support:1;
172 u8 int_efp_support:1;
173 u8 dp_ssc_enable:1; /* PCH attached eDP supports SSC */
174 u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
175 u8 dp_ssc_dongle_supported:1;
176 u8 rsvd11:2; /* finish byte */
177 } __packed;
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" */
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
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
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)
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.
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)
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)
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
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
283 /* dvo_port pre BDB 155 */
284 #define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
285 #define DEVICE_PORT_DVOB 0x01
286 #define DEVICE_PORT_DVOC 0x02
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 */
307 #define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204 */
308 #define HDMI_MAX_DATA_RATE_297 1 /* 204 */
309 #define HDMI_MAX_DATA_RATE_165 2 /* 204 */
311 #define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33
313 /* DDC Bus DDI Type 155+ */
314 enum vbt_gmbus_ddi {
315 DDC_BUS_DDI_B = 0x1,
316 DDC_BUS_DDI_C,
317 DDC_BUS_DDI_D,
318 DDC_BUS_DDI_F,
322 * The child device config, aka the display device data structure, provides a
323 * description of a port and its configuration on the platform.
325 * The child device config size has been increased, and fields have been added
326 * and their meaning has changed over time. Care must be taken when accessing
327 * basically any of the fields to ensure the correct interpretation for the BDB
328 * version in question.
330 * When we copy the child device configs to dev_priv->vbt.child_dev, we reserve
331 * space for the full structure below, and initialize the tail not actually
332 * present in VBT to zeros. Accessing those fields is fine, as long as the
333 * default zero is taken into account, again according to the BDB version.
335 * BDB versions 155 and below are considered legacy, and version 155 seems to be
336 * a baseline for some of the VBT documentation. When adding new fields, please
337 * include the BDB version when the field was added, if it's above that.
339 struct child_device_config {
340 u16 handle;
341 u16 device_type; /* See DEVICE_TYPE_* above */
343 union {
344 u8 device_id[10]; /* ascii string */
345 struct {
346 u8 i2c_speed;
347 u8 dp_onboard_redriver; /* 158 */
348 u8 dp_ondock_redriver; /* 158 */
349 u8 hdmi_level_shifter_value:5; /* 169 */
350 u8 hdmi_max_data_rate:3; /* 204 */
351 u16 dtd_buf_ptr; /* 161 */
352 u8 edidless_efp:1; /* 161 */
353 u8 compression_enable:1; /* 198 */
354 u8 compression_method:1; /* 198 */
355 u8 ganged_edp:1; /* 202 */
356 u8 reserved0:4;
357 u8 compression_structure_index:4; /* 198 */
358 u8 reserved1:4;
359 u8 slave_port; /* 202 */
360 u8 reserved2;
361 } __packed;
362 } __packed;
364 u16 addin_offset;
365 u8 dvo_port; /* See DEVICE_PORT_* and DVO_PORT_* above */
366 u8 i2c_pin;
367 u8 slave_addr;
368 u8 ddc_pin;
369 u16 edid_ptr;
370 u8 dvo_cfg; /* See DEVICE_CFG_* above */
372 union {
373 struct {
374 u8 dvo2_port;
375 u8 i2c2_pin;
376 u8 slave2_addr;
377 u8 ddc2_pin;
378 } __packed;
379 struct {
380 u8 efp_routed:1; /* 158 */
381 u8 lane_reversal:1; /* 184 */
382 u8 lspcon:1; /* 192 */
383 u8 iboost:1; /* 196 */
384 u8 hpd_invert:1; /* 196 */
385 u8 flag_reserved:3;
386 u8 hdmi_support:1; /* 158 */
387 u8 dp_support:1; /* 158 */
388 u8 tmds_support:1; /* 158 */
389 u8 support_reserved:5;
390 u8 aux_channel;
391 u8 dongle_detect;
392 } __packed;
393 } __packed;
395 u8 pipe_cap:2;
396 u8 sdvo_stall:1; /* 158 */
397 u8 hpd_status:2;
398 u8 integrated_encoder:1;
399 u8 capabilities_reserved:2;
400 u8 dvo_wiring; /* See DEVICE_WIRE_* above */
402 union {
403 u8 dvo2_wiring;
404 u8 mipi_bridge_type; /* 171 */
405 } __packed;
407 u16 extended_type;
408 u8 dvo_function;
409 u8 dp_usb_type_c:1; /* 195 */
410 u8 flags2_reserved:7; /* 195 */
411 u8 dp_gpio_index; /* 195 */
412 u16 dp_gpio_pin_num; /* 195 */
413 u8 dp_iboost_level:4; /* 196 */
414 u8 hdmi_iboost_level:4; /* 196 */
415 u8 dp_max_link_rate:2; /* 216 CNL+ */
416 u8 dp_max_link_rate_reserved:6; /* 216 */
417 } __packed;
419 struct bdb_general_definitions {
420 /* DDC GPIO */
421 u8 crt_ddc_gmbus_pin;
423 /* DPMS bits */
424 u8 dpms_acpi:1;
425 u8 skip_boot_crt_detect:1;
426 u8 dpms_aim:1;
427 u8 rsvd1:5; /* finish byte */
429 /* boot device bits */
430 u8 boot_display[2];
431 u8 child_dev_size;
434 * Device info:
435 * If TV is present, it'll be at devices[0].
436 * LVDS will be next, either devices[0] or [1], if present.
437 * On some platforms the number of device is 6. But could be as few as
438 * 4 if both TV and LVDS are missing.
439 * And the device num is related with the size of general definition
440 * block. It is obtained by using the following formula:
441 * number = (block_size - sizeof(bdb_general_definitions))/
442 * defs->child_dev_size;
444 uint8_t devices[0];
445 } __packed;
447 /* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
448 #define MODE_MASK 0x3
450 struct bdb_lvds_options {
451 u8 panel_type;
452 u8 rsvd1;
453 /* LVDS capabilities, stored in a dword */
454 u8 pfit_mode:2;
455 u8 pfit_text_mode_enhanced:1;
456 u8 pfit_gfx_mode_enhanced:1;
457 u8 pfit_ratio_auto:1;
458 u8 pixel_dither:1;
459 u8 lvds_edid:1;
460 u8 rsvd2:1;
461 u8 rsvd4;
462 /* LVDS Panel channel bits stored here */
463 u32 lvds_panel_channel_bits;
464 /* LVDS SSC (Spread Spectrum Clock) bits stored here. */
465 u16 ssc_bits;
466 u16 ssc_freq;
467 u16 ssc_ddt;
468 /* Panel color depth defined here */
469 u16 panel_color_depth;
470 /* LVDS panel type bits stored here */
471 u32 dps_panel_type_bits;
472 /* LVDS backlight control type bits stored here */
473 u32 blt_control_type_bits;
474 } __packed;
476 /* LFP pointer table contains entries to the struct below */
477 struct bdb_lvds_lfp_data_ptr {
478 u16 fp_timing_offset; /* offsets are from start of bdb */
479 u8 fp_table_size;
480 u16 dvo_timing_offset;
481 u8 dvo_table_size;
482 u16 panel_pnp_id_offset;
483 u8 pnp_table_size;
484 } __packed;
486 struct bdb_lvds_lfp_data_ptrs {
487 u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
488 struct bdb_lvds_lfp_data_ptr ptr[16];
489 } __packed;
491 /* LFP data has 3 blocks per entry */
492 struct lvds_fp_timing {
493 u16 x_res;
494 u16 y_res;
495 u32 lvds_reg;
496 u32 lvds_reg_val;
497 u32 pp_on_reg;
498 u32 pp_on_reg_val;
499 u32 pp_off_reg;
500 u32 pp_off_reg_val;
501 u32 pp_cycle_reg;
502 u32 pp_cycle_reg_val;
503 u32 pfit_reg;
504 u32 pfit_reg_val;
505 u16 terminator;
506 } __packed;
508 struct lvds_dvo_timing {
509 u16 clock; /**< In 10khz */
510 u8 hactive_lo;
511 u8 hblank_lo;
512 u8 hblank_hi:4;
513 u8 hactive_hi:4;
514 u8 vactive_lo;
515 u8 vblank_lo;
516 u8 vblank_hi:4;
517 u8 vactive_hi:4;
518 u8 hsync_off_lo;
519 u8 hsync_pulse_width_lo;
520 u8 vsync_pulse_width_lo:4;
521 u8 vsync_off_lo:4;
522 u8 vsync_pulse_width_hi:2;
523 u8 vsync_off_hi:2;
524 u8 hsync_pulse_width_hi:2;
525 u8 hsync_off_hi:2;
526 u8 himage_lo;
527 u8 vimage_lo;
528 u8 vimage_hi:4;
529 u8 himage_hi:4;
530 u8 h_border;
531 u8 v_border;
532 u8 rsvd1:3;
533 u8 digital:2;
534 u8 vsync_positive:1;
535 u8 hsync_positive:1;
536 u8 non_interlaced:1;
537 } __packed;
539 struct lvds_pnp_id {
540 u16 mfg_name;
541 u16 product_code;
542 u32 serial;
543 u8 mfg_week;
544 u8 mfg_year;
545 } __packed;
547 struct bdb_lvds_lfp_data_entry {
548 struct lvds_fp_timing fp_timing;
549 struct lvds_dvo_timing dvo_timing;
550 struct lvds_pnp_id pnp_id;
551 } __packed;
553 struct bdb_lvds_lfp_data {
554 struct bdb_lvds_lfp_data_entry data[16];
555 } __packed;
557 #define BDB_BACKLIGHT_TYPE_NONE 0
558 #define BDB_BACKLIGHT_TYPE_PWM 2
560 struct bdb_lfp_backlight_data_entry {
561 u8 type:2;
562 u8 active_low_pwm:1;
563 u8 obsolete1:5;
564 u16 pwm_freq_hz;
565 u8 min_brightness;
566 u8 obsolete2;
567 u8 obsolete3;
568 } __packed;
570 struct bdb_lfp_backlight_control_method {
571 u8 type:4;
572 u8 controller:4;
573 } __packed;
575 struct bdb_lfp_backlight_data {
576 u8 entry_size;
577 struct bdb_lfp_backlight_data_entry data[16];
578 u8 level[16];
579 struct bdb_lfp_backlight_control_method backlight_control[16];
580 } __packed;
582 struct aimdb_header {
583 char signature[16];
584 char oem_device[20];
585 u16 aimdb_version;
586 u16 aimdb_header_size;
587 u16 aimdb_size;
588 } __packed;
590 struct aimdb_block {
591 u8 aimdb_id;
592 u16 aimdb_size;
593 } __packed;
595 struct vch_panel_data {
596 u16 fp_timing_offset;
597 u8 fp_timing_size;
598 u16 dvo_timing_offset;
599 u8 dvo_timing_size;
600 u16 text_fitting_offset;
601 u8 text_fitting_size;
602 u16 graphics_fitting_offset;
603 u8 graphics_fitting_size;
604 } __packed;
606 struct vch_bdb_22 {
607 struct aimdb_block aimdb_block;
608 struct vch_panel_data panels[16];
609 } __packed;
611 struct bdb_sdvo_lvds_options {
612 u8 panel_backlight;
613 u8 h40_set_panel_type;
614 u8 panel_type;
615 u8 ssc_clk_freq;
616 u16 als_low_trip;
617 u16 als_high_trip;
618 u8 sclalarcoeff_tab_row_num;
619 u8 sclalarcoeff_tab_row_size;
620 u8 coefficient[8];
621 u8 panel_misc_bits_1;
622 u8 panel_misc_bits_2;
623 u8 panel_misc_bits_3;
624 u8 panel_misc_bits_4;
625 } __packed;
628 #define BDB_DRIVER_FEATURE_NO_LVDS 0
629 #define BDB_DRIVER_FEATURE_INT_LVDS 1
630 #define BDB_DRIVER_FEATURE_SDVO_LVDS 2
631 #define BDB_DRIVER_FEATURE_EDP 3
633 struct bdb_driver_features {
634 u8 boot_dev_algorithm:1;
635 u8 block_display_switch:1;
636 u8 allow_display_switch:1;
637 u8 hotplug_dvo:1;
638 u8 dual_view_zoom:1;
639 u8 int15h_hook:1;
640 u8 sprite_in_clone:1;
641 u8 primary_lfp_id:1;
643 u16 boot_mode_x;
644 u16 boot_mode_y;
645 u8 boot_mode_bpp;
646 u8 boot_mode_refresh;
648 u16 enable_lfp_primary:1;
649 u16 selective_mode_pruning:1;
650 u16 dual_frequency:1;
651 u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
652 u16 nt_clone_support:1;
653 u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
654 u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
655 u16 cui_aspect_scaling:1;
656 u16 preserve_aspect_ratio:1;
657 u16 sdvo_device_power_down:1;
658 u16 crt_hotplug:1;
659 u16 lvds_config:2;
660 u16 tv_hotplug:1;
661 u16 hdmi_config:2;
663 u8 static_display:1;
664 u8 reserved2:7;
665 u16 legacy_crt_max_x;
666 u16 legacy_crt_max_y;
667 u8 legacy_crt_max_refresh;
669 u8 hdmi_termination;
670 u8 custom_vbt_version;
671 /* Driver features data block */
672 u16 rmpm_enabled:1;
673 u16 s2ddt_enabled:1;
674 u16 dpst_enabled:1;
675 u16 bltclt_enabled:1;
676 u16 adb_enabled:1;
677 u16 drrs_enabled:1;
678 u16 grs_enabled:1;
679 u16 gpmt_enabled:1;
680 u16 tbt_enabled:1;
681 u16 psr_enabled:1;
682 u16 ips_enabled:1;
683 u16 reserved3:4;
684 u16 pc_feature_valid:1;
685 } __packed;
687 #define EDP_18BPP 0
688 #define EDP_24BPP 1
689 #define EDP_30BPP 2
690 #define EDP_RATE_1_62 0
691 #define EDP_RATE_2_7 1
692 #define EDP_LANE_1 0
693 #define EDP_LANE_2 1
694 #define EDP_LANE_4 3
695 #define EDP_PREEMPHASIS_NONE 0
696 #define EDP_PREEMPHASIS_3_5dB 1
697 #define EDP_PREEMPHASIS_6dB 2
698 #define EDP_PREEMPHASIS_9_5dB 3
699 #define EDP_VSWING_0_4V 0
700 #define EDP_VSWING_0_6V 1
701 #define EDP_VSWING_0_8V 2
702 #define EDP_VSWING_1_2V 3
705 struct edp_fast_link_params {
706 u8 rate:4;
707 u8 lanes:4;
708 u8 preemphasis:4;
709 u8 vswing:4;
710 } __packed;
712 struct edp_pwm_delays {
713 u16 pwm_on_to_backlight_enable;
714 u16 backlight_disable_to_pwm_off;
715 } __packed;
717 struct edp_full_link_params {
718 u8 preemphasis:4;
719 u8 vswing:4;
720 } __packed;
722 struct bdb_edp {
723 struct edp_power_seq power_seqs[16];
724 u32 color_depth;
725 struct edp_fast_link_params fast_link_params[16];
726 u32 sdrrs_msa_timing_delay;
728 /* ith bit indicates enabled/disabled for (i+1)th panel */
729 u16 edp_s3d_feature; /* 162 */
730 u16 edp_t3_optimization; /* 165 */
731 u64 edp_vswing_preemph; /* 173 */
732 u16 fast_link_training; /* 182 */
733 u16 dpcd_600h_write_required; /* 185 */
734 struct edp_pwm_delays pwm_delays[16]; /* 186 */
735 u16 full_link_params_provided; /* 199 */
736 struct edp_full_link_params full_link_params[16]; /* 199 */
737 } __packed;
739 struct psr_table {
740 /* Feature bits */
741 u8 full_link:1;
742 u8 require_aux_to_wakeup:1;
743 u8 feature_bits_rsvd:6;
745 /* Wait times */
746 u8 idle_frames:4;
747 u8 lines_to_wait:3;
748 u8 wait_times_rsvd:1;
750 /* TP wake up time in multiple of 100 */
751 u16 tp1_wakeup_time;
752 u16 tp2_tp3_wakeup_time;
753 } __packed;
755 struct bdb_psr {
756 struct psr_table psr_table[16];
757 } __packed;
760 * Driver<->VBIOS interaction occurs through scratch bits in
761 * GR18 & SWF*.
764 /* GR18 bits are set on display switch and hotkey events */
765 #define GR18_DRIVER_SWITCH_EN (1<<7) /* 0: VBIOS control, 1: driver control */
766 #define GR18_HOTKEY_MASK 0x78 /* See also SWF4 15:0 */
767 #define GR18_HK_NONE (0x0<<3)
768 #define GR18_HK_LFP_STRETCH (0x1<<3)
769 #define GR18_HK_TOGGLE_DISP (0x2<<3)
770 #define GR18_HK_DISP_SWITCH (0x4<<3) /* see SWF14 15:0 for what to enable */
771 #define GR18_HK_POPUP_DISABLED (0x6<<3)
772 #define GR18_HK_POPUP_ENABLED (0x7<<3)
773 #define GR18_HK_PFIT (0x8<<3)
774 #define GR18_HK_APM_CHANGE (0xa<<3)
775 #define GR18_HK_MULTIPLE (0xc<<3)
776 #define GR18_USER_INT_EN (1<<2)
777 #define GR18_A0000_FLUSH_EN (1<<1)
778 #define GR18_SMM_EN (1<<0)
780 /* Set by driver, cleared by VBIOS */
781 #define SWF00_YRES_SHIFT 16
782 #define SWF00_XRES_SHIFT 0
783 #define SWF00_RES_MASK 0xffff
785 /* Set by VBIOS at boot time and driver at runtime */
786 #define SWF01_TV2_FORMAT_SHIFT 8
787 #define SWF01_TV1_FORMAT_SHIFT 0
788 #define SWF01_TV_FORMAT_MASK 0xffff
790 #define SWF10_VBIOS_BLC_I2C_EN (1<<29)
791 #define SWF10_GTT_OVERRIDE_EN (1<<28)
792 #define SWF10_LFP_DPMS_OVR (1<<27) /* override DPMS on display switch */
793 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
794 #define SWF10_OLD_TOGGLE 0x0
795 #define SWF10_TOGGLE_LIST_1 0x1
796 #define SWF10_TOGGLE_LIST_2 0x2
797 #define SWF10_TOGGLE_LIST_3 0x3
798 #define SWF10_TOGGLE_LIST_4 0x4
799 #define SWF10_PANNING_EN (1<<23)
800 #define SWF10_DRIVER_LOADED (1<<22)
801 #define SWF10_EXTENDED_DESKTOP (1<<21)
802 #define SWF10_EXCLUSIVE_MODE (1<<20)
803 #define SWF10_OVERLAY_EN (1<<19)
804 #define SWF10_PLANEB_HOLDOFF (1<<18)
805 #define SWF10_PLANEA_HOLDOFF (1<<17)
806 #define SWF10_VGA_HOLDOFF (1<<16)
807 #define SWF10_ACTIVE_DISP_MASK 0xffff
808 #define SWF10_PIPEB_LFP2 (1<<15)
809 #define SWF10_PIPEB_EFP2 (1<<14)
810 #define SWF10_PIPEB_TV2 (1<<13)
811 #define SWF10_PIPEB_CRT2 (1<<12)
812 #define SWF10_PIPEB_LFP (1<<11)
813 #define SWF10_PIPEB_EFP (1<<10)
814 #define SWF10_PIPEB_TV (1<<9)
815 #define SWF10_PIPEB_CRT (1<<8)
816 #define SWF10_PIPEA_LFP2 (1<<7)
817 #define SWF10_PIPEA_EFP2 (1<<6)
818 #define SWF10_PIPEA_TV2 (1<<5)
819 #define SWF10_PIPEA_CRT2 (1<<4)
820 #define SWF10_PIPEA_LFP (1<<3)
821 #define SWF10_PIPEA_EFP (1<<2)
822 #define SWF10_PIPEA_TV (1<<1)
823 #define SWF10_PIPEA_CRT (1<<0)
825 #define SWF11_MEMORY_SIZE_SHIFT 16
826 #define SWF11_SV_TEST_EN (1<<15)
827 #define SWF11_IS_AGP (1<<14)
828 #define SWF11_DISPLAY_HOLDOFF (1<<13)
829 #define SWF11_DPMS_REDUCED (1<<12)
830 #define SWF11_IS_VBE_MODE (1<<11)
831 #define SWF11_PIPEB_ACCESS (1<<10) /* 0 here means pipe a */
832 #define SWF11_DPMS_MASK 0x07
833 #define SWF11_DPMS_OFF (1<<2)
834 #define SWF11_DPMS_SUSPEND (1<<1)
835 #define SWF11_DPMS_STANDBY (1<<0)
836 #define SWF11_DPMS_ON 0
838 #define SWF14_GFX_PFIT_EN (1<<31)
839 #define SWF14_TEXT_PFIT_EN (1<<30)
840 #define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
841 #define SWF14_POPUP_EN (1<<28)
842 #define SWF14_DISPLAY_HOLDOFF (1<<27)
843 #define SWF14_DISP_DETECT_EN (1<<26)
844 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
845 #define SWF14_DRIVER_STATUS (1<<24)
846 #define SWF14_OS_TYPE_WIN9X (1<<23)
847 #define SWF14_OS_TYPE_WINNT (1<<22)
848 /* 21:19 rsvd */
849 #define SWF14_PM_TYPE_MASK 0x00070000
850 #define SWF14_PM_ACPI_VIDEO (0x4 << 16)
851 #define SWF14_PM_ACPI (0x3 << 16)
852 #define SWF14_PM_APM_12 (0x2 << 16)
853 #define SWF14_PM_APM_11 (0x1 << 16)
854 #define SWF14_HK_REQUEST_MASK 0x0000ffff /* see GR18 6:3 for event type */
855 /* if GR18 indicates a display switch */
856 #define SWF14_DS_PIPEB_LFP2_EN (1<<15)
857 #define SWF14_DS_PIPEB_EFP2_EN (1<<14)
858 #define SWF14_DS_PIPEB_TV2_EN (1<<13)
859 #define SWF14_DS_PIPEB_CRT2_EN (1<<12)
860 #define SWF14_DS_PIPEB_LFP_EN (1<<11)
861 #define SWF14_DS_PIPEB_EFP_EN (1<<10)
862 #define SWF14_DS_PIPEB_TV_EN (1<<9)
863 #define SWF14_DS_PIPEB_CRT_EN (1<<8)
864 #define SWF14_DS_PIPEA_LFP2_EN (1<<7)
865 #define SWF14_DS_PIPEA_EFP2_EN (1<<6)
866 #define SWF14_DS_PIPEA_TV2_EN (1<<5)
867 #define SWF14_DS_PIPEA_CRT2_EN (1<<4)
868 #define SWF14_DS_PIPEA_LFP_EN (1<<3)
869 #define SWF14_DS_PIPEA_EFP_EN (1<<2)
870 #define SWF14_DS_PIPEA_TV_EN (1<<1)
871 #define SWF14_DS_PIPEA_CRT_EN (1<<0)
872 /* if GR18 indicates a panel fitting request */
873 #define SWF14_PFIT_EN (1<<0) /* 0 means disable */
874 /* if GR18 indicates an APM change request */
875 #define SWF14_APM_HIBERNATE 0x4
876 #define SWF14_APM_SUSPEND 0x3
877 #define SWF14_APM_STANDBY 0x1
878 #define SWF14_APM_RESTORE 0x0
880 /* Block 52 contains MIPI configuration block
881 * 6 * bdb_mipi_config, followed by 6 pps data block
882 * block below
884 #define MAX_MIPI_CONFIGURATIONS 6
886 struct bdb_mipi_config {
887 struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
888 struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
889 } __packed;
891 /* Block 53 contains MIPI sequences as needed by the panel
892 * for enabling it. This block can be variable in size and
893 * can be maximum of 6 blocks
895 struct bdb_mipi_sequence {
896 u8 version;
897 u8 data[0];
898 } __packed;
900 enum mipi_gpio_pin_index {
901 MIPI_GPIO_UNDEFINED = 0,
902 MIPI_GPIO_PANEL_ENABLE,
903 MIPI_GPIO_BL_ENABLE,
904 MIPI_GPIO_PWM_ENABLE,
905 MIPI_GPIO_RESET_N,
906 MIPI_GPIO_PWR_DOWN_R,
907 MIPI_GPIO_STDBY_RST_N,
908 MIPI_GPIO_MAX
911 #endif /* _INTEL_VBT_DEFS_H_ */