xref: /dragonfly/sys/dev/drm/i915/intel_bios.h (revision 6052a76a)
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 struct vbt_header {
32 	u8 signature[20];		/**< Always starts with 'VBT$' */
33 	u16 version;			/**< decimal */
34 	u16 header_size;		/**< in bytes */
35 	u16 vbt_size;			/**< in bytes */
36 	u8 vbt_checksum;
37 	u8 reserved0;
38 	u32 bdb_offset;			/**< from beginning of VBT */
39 	u32 aim_offset[4];		/**< from beginning of VBT */
40 } __packed;
41 
42 struct bdb_header {
43 	u8 signature[16];		/**< Always 'BIOS_DATA_BLOCK' */
44 	u16 version;			/**< decimal */
45 	u16 header_size;		/**< in bytes */
46 	u16 bdb_size;			/**< in bytes */
47 } __packed;
48 
49 /* strictly speaking, this is a "skip" block, but it has interesting info */
50 struct vbios_data {
51 	u8 type; /* 0 == desktop, 1 == mobile */
52 	u8 relstage;
53 	u8 chipset;
54 	u8 lvds_present:1;
55 	u8 tv_present:1;
56 	u8 rsvd2:6; /* finish byte */
57 	u8 rsvd3[4];
58 	u8 signon[155];
59 	u8 copyright[61];
60 	u16 code_segment;
61 	u8 dos_boot_mode;
62 	u8 bandwidth_percent;
63 	u8 rsvd4; /* popup memory size */
64 	u8 resize_pci_bios;
65 	u8 rsvd5; /* is crt already on ddc2 */
66 } __packed;
67 
68 /*
69  * There are several types of BIOS data blocks (BDBs), each block has
70  * an ID and size in the first 3 bytes (ID in first, size in next 2).
71  * Known types are listed below.
72  */
73 #define BDB_GENERAL_FEATURES	  1
74 #define BDB_GENERAL_DEFINITIONS	  2
75 #define BDB_OLD_TOGGLE_LIST	  3
76 #define BDB_MODE_SUPPORT_LIST	  4
77 #define BDB_GENERIC_MODE_TABLE	  5
78 #define BDB_EXT_MMIO_REGS	  6
79 #define BDB_SWF_IO		  7
80 #define BDB_SWF_MMIO		  8
81 #define BDB_PSR			  9
82 #define BDB_MODE_REMOVAL_TABLE	 10
83 #define BDB_CHILD_DEVICE_TABLE	 11
84 #define BDB_DRIVER_FEATURES	 12
85 #define BDB_DRIVER_PERSISTENCE	 13
86 #define BDB_EXT_TABLE_PTRS	 14
87 #define BDB_DOT_CLOCK_OVERRIDE	 15
88 #define BDB_DISPLAY_SELECT	 16
89 /* 17 rsvd */
90 #define BDB_DRIVER_ROTATION	 18
91 #define BDB_DISPLAY_REMOVE	 19
92 #define BDB_OEM_CUSTOM		 20
93 #define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
94 #define BDB_SDVO_LVDS_OPTIONS	 22
95 #define BDB_SDVO_PANEL_DTDS	 23
96 #define BDB_SDVO_LVDS_PNP_IDS	 24
97 #define BDB_SDVO_LVDS_POWER_SEQ	 25
98 #define BDB_TV_OPTIONS		 26
99 #define BDB_EDP			 27
100 #define BDB_LVDS_OPTIONS	 40
101 #define BDB_LVDS_LFP_DATA_PTRS	 41
102 #define BDB_LVDS_LFP_DATA	 42
103 #define BDB_LVDS_BACKLIGHT	 43
104 #define BDB_LVDS_POWER		 44
105 #define BDB_MIPI_CONFIG		 52
106 #define BDB_MIPI_SEQUENCE	 53
107 #define BDB_SKIP		254 /* VBIOS private block, ignore */
108 
109 struct 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 rsvd7:1;
124 	u8 display_clock_mode:1;
125 	u8 rsvd8:1; /* finish byte */
126 
127         /* bits 3 */
128 	u8 disable_smooth_vision:1;
129 	u8 single_dvi:1;
130 	u8 rsvd9:1;
131 	u8 fdi_rx_polarity_inverted:1;
132 	u8 rsvd10:4; /* finish byte */
133 
134         /* bits 4 */
135 	u8 legacy_monitor_detect;
136 
137         /* bits 5 */
138 	u8 int_crt_support:1;
139 	u8 int_tv_support:1;
140 	u8 int_efp_support:1;
141 	u8 dp_ssc_enb:1;	/* PCH attached eDP supports SSC */
142 	u8 dp_ssc_freq:1;	/* SSC freq for PCH attached eDP */
143 	u8 rsvd11:3; /* finish byte */
144 } __packed;
145 
146 /* pre-915 */
147 #define GPIO_PIN_DVI_LVDS	0x03 /* "DVI/LVDS DDC GPIO pins" */
148 #define GPIO_PIN_ADD_I2C	0x05 /* "ADDCARD I2C GPIO pins" */
149 #define GPIO_PIN_ADD_DDC	0x04 /* "ADDCARD DDC GPIO pins" */
150 #define GPIO_PIN_ADD_DDC_I2C	0x06 /* "ADDCARD DDC/I2C GPIO pins" */
151 
152 /* Pre 915 */
153 #define DEVICE_TYPE_NONE	0x00
154 #define DEVICE_TYPE_CRT		0x01
155 #define DEVICE_TYPE_TV		0x09
156 #define DEVICE_TYPE_EFP		0x12
157 #define DEVICE_TYPE_LFP		0x22
158 /* On 915+ */
159 #define DEVICE_TYPE_CRT_DPMS		0x6001
160 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG	0x4001
161 #define DEVICE_TYPE_TV_COMPOSITE	0x0209
162 #define DEVICE_TYPE_TV_MACROVISION	0x0289
163 #define DEVICE_TYPE_TV_RF_COMPOSITE	0x020c
164 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE	0x0609
165 #define DEVICE_TYPE_TV_SCART		0x0209
166 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
167 #define DEVICE_TYPE_EFP_HOTPLUG_PWR	0x6012
168 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR	0x6052
169 #define DEVICE_TYPE_EFP_DVI_I		0x6053
170 #define DEVICE_TYPE_EFP_DVI_D_DUAL	0x6152
171 #define DEVICE_TYPE_EFP_DVI_D_HDCP	0x60d2
172 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR	0x6062
173 #define DEVICE_TYPE_OPENLDI_DUALPIX	0x6162
174 #define DEVICE_TYPE_LFP_PANELLINK	0x5012
175 #define DEVICE_TYPE_LFP_CMOS_PWR	0x5042
176 #define DEVICE_TYPE_LFP_LVDS_PWR	0x5062
177 #define DEVICE_TYPE_LFP_LVDS_DUAL	0x5162
178 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP	0x51e2
179 
180 #define DEVICE_CFG_NONE		0x00
181 #define DEVICE_CFG_12BIT_DVOB	0x01
182 #define DEVICE_CFG_12BIT_DVOC	0x02
183 #define DEVICE_CFG_24BIT_DVOBC	0x09
184 #define DEVICE_CFG_24BIT_DVOCB	0x0a
185 #define DEVICE_CFG_DUAL_DVOB	0x11
186 #define DEVICE_CFG_DUAL_DVOC	0x12
187 #define DEVICE_CFG_DUAL_DVOBC	0x13
188 #define DEVICE_CFG_DUAL_LINK_DVOBC	0x19
189 #define DEVICE_CFG_DUAL_LINK_DVOCB	0x1a
190 
191 #define DEVICE_WIRE_NONE	0x00
192 #define DEVICE_WIRE_DVOB	0x01
193 #define DEVICE_WIRE_DVOC	0x02
194 #define DEVICE_WIRE_DVOBC	0x03
195 #define DEVICE_WIRE_DVOBB	0x05
196 #define DEVICE_WIRE_DVOCC	0x06
197 #define DEVICE_WIRE_DVOB_MASTER 0x0d
198 #define DEVICE_WIRE_DVOC_MASTER 0x0e
199 
200 #define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
201 #define DEVICE_PORT_DVOB	0x01
202 #define DEVICE_PORT_DVOC	0x02
203 
204 /*
205  * We used to keep this struct but without any version control. We should avoid
206  * using it in the future, but it should be safe to keep using it in the old
207  * code. Do not change; we rely on its size.
208  */
209 struct old_child_dev_config {
210 	u16 handle;
211 	u16 device_type;
212 	u8  device_id[10]; /* ascii string */
213 	u16 addin_offset;
214 	u8  dvo_port; /* See Device_PORT_* above */
215 	u8  i2c_pin;
216 	u8  slave_addr;
217 	u8  ddc_pin;
218 	u16 edid_ptr;
219 	u8  dvo_cfg; /* See DEVICE_CFG_* above */
220 	u8  dvo2_port;
221 	u8  i2c2_pin;
222 	u8  slave2_addr;
223 	u8  ddc2_pin;
224 	u8  capabilities;
225 	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
226 	u8  dvo2_wiring;
227 	u16 extended_type;
228 	u8  dvo_function;
229 } __packed;
230 
231 /* This one contains field offsets that are known to be common for all BDB
232  * versions. Notice that the meaning of the contents contents may still change,
233  * but at least the offsets are consistent. */
234 
235 /* Definitions for flags_1 */
236 #define IBOOST_ENABLE (1<<3)
237 
238 struct common_child_dev_config {
239 	u16 handle;
240 	u16 device_type;
241 	u8 not_common1[12];
242 	u8 dvo_port;
243 	u8 not_common2[2];
244 	u8 ddc_pin;
245 	u16 edid_ptr;
246 	u8 obsolete;
247 	u8 flags_1;
248 	u8 not_common3[13];
249 	u8 iboost_level;
250 } __packed;
251 
252 
253 /* This field changes depending on the BDB version, so the most reliable way to
254  * read it is by checking the BDB version and reading the raw pointer. */
255 union child_device_config {
256 	/* This one is safe to be used anywhere, but the code should still check
257 	 * the BDB version. */
258 	u8 raw[33];
259 	/* This one should only be kept for legacy code. */
260 	struct old_child_dev_config old;
261 	/* This one should also be safe to use anywhere, even without version
262 	 * checks. */
263 	struct common_child_dev_config common;
264 } __packed;
265 
266 struct bdb_general_definitions {
267 	/* DDC GPIO */
268 	u8 crt_ddc_gmbus_pin;
269 
270 	/* DPMS bits */
271 	u8 dpms_acpi:1;
272 	u8 skip_boot_crt_detect:1;
273 	u8 dpms_aim:1;
274 	u8 rsvd1:5; /* finish byte */
275 
276 	/* boot device bits */
277 	u8 boot_display[2];
278 	u8 child_dev_size;
279 
280 	/*
281 	 * Device info:
282 	 * If TV is present, it'll be at devices[0].
283 	 * LVDS will be next, either devices[0] or [1], if present.
284 	 * On some platforms the number of device is 6. But could be as few as
285 	 * 4 if both TV and LVDS are missing.
286 	 * And the device num is related with the size of general definition
287 	 * block. It is obtained by using the following formula:
288 	 * number = (block_size - sizeof(bdb_general_definitions))/
289 	 *	     defs->child_dev_size;
290 	 */
291 	uint8_t devices[0];
292 } __packed;
293 
294 /* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
295 #define MODE_MASK		0x3
296 
297 struct bdb_lvds_options {
298 	u8 panel_type;
299 	u8 rsvd1;
300 	/* LVDS capabilities, stored in a dword */
301 	u8 pfit_mode:2;
302 	u8 pfit_text_mode_enhanced:1;
303 	u8 pfit_gfx_mode_enhanced:1;
304 	u8 pfit_ratio_auto:1;
305 	u8 pixel_dither:1;
306 	u8 lvds_edid:1;
307 	u8 rsvd2:1;
308 	u8 rsvd4;
309 	/* LVDS Panel channel bits stored here */
310 	u32 lvds_panel_channel_bits;
311 	/* LVDS SSC (Spread Spectrum Clock) bits stored here. */
312 	u16 ssc_bits;
313 	u16 ssc_freq;
314 	u16 ssc_ddt;
315 	/* Panel color depth defined here */
316 	u16 panel_color_depth;
317 	/* LVDS panel type bits stored here */
318 	u32 dps_panel_type_bits;
319 	/* LVDS backlight control type bits stored here */
320 	u32 blt_control_type_bits;
321 } __packed;
322 
323 /* LFP pointer table contains entries to the struct below */
324 struct bdb_lvds_lfp_data_ptr {
325 	u16 fp_timing_offset; /* offsets are from start of bdb */
326 	u8 fp_table_size;
327 	u16 dvo_timing_offset;
328 	u8 dvo_table_size;
329 	u16 panel_pnp_id_offset;
330 	u8 pnp_table_size;
331 } __packed;
332 
333 struct bdb_lvds_lfp_data_ptrs {
334 	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
335 	struct bdb_lvds_lfp_data_ptr ptr[16];
336 } __packed;
337 
338 /* LFP data has 3 blocks per entry */
339 struct lvds_fp_timing {
340 	u16 x_res;
341 	u16 y_res;
342 	u32 lvds_reg;
343 	u32 lvds_reg_val;
344 	u32 pp_on_reg;
345 	u32 pp_on_reg_val;
346 	u32 pp_off_reg;
347 	u32 pp_off_reg_val;
348 	u32 pp_cycle_reg;
349 	u32 pp_cycle_reg_val;
350 	u32 pfit_reg;
351 	u32 pfit_reg_val;
352 	u16 terminator;
353 } __packed;
354 
355 struct lvds_dvo_timing {
356 	u16 clock;		/**< In 10khz */
357 	u8 hactive_lo;
358 	u8 hblank_lo;
359 	u8 hblank_hi:4;
360 	u8 hactive_hi:4;
361 	u8 vactive_lo;
362 	u8 vblank_lo;
363 	u8 vblank_hi:4;
364 	u8 vactive_hi:4;
365 	u8 hsync_off_lo;
366 	u8 hsync_pulse_width;
367 	u8 vsync_pulse_width:4;
368 	u8 vsync_off:4;
369 	u8 rsvd0:6;
370 	u8 hsync_off_hi:2;
371 	u8 h_image;
372 	u8 v_image;
373 	u8 max_hv;
374 	u8 h_border;
375 	u8 v_border;
376 	u8 rsvd1:3;
377 	u8 digital:2;
378 	u8 vsync_positive:1;
379 	u8 hsync_positive:1;
380 	u8 rsvd2:1;
381 } __packed;
382 
383 struct lvds_pnp_id {
384 	u16 mfg_name;
385 	u16 product_code;
386 	u32 serial;
387 	u8 mfg_week;
388 	u8 mfg_year;
389 } __packed;
390 
391 struct bdb_lvds_lfp_data_entry {
392 	struct lvds_fp_timing fp_timing;
393 	struct lvds_dvo_timing dvo_timing;
394 	struct lvds_pnp_id pnp_id;
395 } __packed;
396 
397 struct bdb_lvds_lfp_data {
398 	struct bdb_lvds_lfp_data_entry data[16];
399 } __packed;
400 
401 #define BDB_BACKLIGHT_TYPE_NONE	0
402 #define BDB_BACKLIGHT_TYPE_PWM	2
403 
404 struct bdb_lfp_backlight_data_entry {
405 	u8 type:2;
406 	u8 active_low_pwm:1;
407 	u8 obsolete1:5;
408 	u16 pwm_freq_hz;
409 	u8 min_brightness;
410 	u8 obsolete2;
411 	u8 obsolete3;
412 } __packed;
413 
414 struct bdb_lfp_backlight_data {
415 	u8 entry_size;
416 	struct bdb_lfp_backlight_data_entry data[16];
417 	u8 level[16];
418 } __packed;
419 
420 struct aimdb_header {
421 	char signature[16];
422 	char oem_device[20];
423 	u16 aimdb_version;
424 	u16 aimdb_header_size;
425 	u16 aimdb_size;
426 } __packed;
427 
428 struct aimdb_block {
429 	u8 aimdb_id;
430 	u16 aimdb_size;
431 } __packed;
432 
433 struct vch_panel_data {
434 	u16 fp_timing_offset;
435 	u8 fp_timing_size;
436 	u16 dvo_timing_offset;
437 	u8 dvo_timing_size;
438 	u16 text_fitting_offset;
439 	u8 text_fitting_size;
440 	u16 graphics_fitting_offset;
441 	u8 graphics_fitting_size;
442 } __packed;
443 
444 struct vch_bdb_22 {
445 	struct aimdb_block aimdb_block;
446 	struct vch_panel_data panels[16];
447 } __packed;
448 
449 struct bdb_sdvo_lvds_options {
450 	u8 panel_backlight;
451 	u8 h40_set_panel_type;
452 	u8 panel_type;
453 	u8 ssc_clk_freq;
454 	u16 als_low_trip;
455 	u16 als_high_trip;
456 	u8 sclalarcoeff_tab_row_num;
457 	u8 sclalarcoeff_tab_row_size;
458 	u8 coefficient[8];
459 	u8 panel_misc_bits_1;
460 	u8 panel_misc_bits_2;
461 	u8 panel_misc_bits_3;
462 	u8 panel_misc_bits_4;
463 } __packed;
464 
465 
466 #define BDB_DRIVER_FEATURE_NO_LVDS		0
467 #define BDB_DRIVER_FEATURE_INT_LVDS		1
468 #define BDB_DRIVER_FEATURE_SDVO_LVDS		2
469 #define BDB_DRIVER_FEATURE_EDP			3
470 
471 struct bdb_driver_features {
472 	u8 boot_dev_algorithm:1;
473 	u8 block_display_switch:1;
474 	u8 allow_display_switch:1;
475 	u8 hotplug_dvo:1;
476 	u8 dual_view_zoom:1;
477 	u8 int15h_hook:1;
478 	u8 sprite_in_clone:1;
479 	u8 primary_lfp_id:1;
480 
481 	u16 boot_mode_x;
482 	u16 boot_mode_y;
483 	u8 boot_mode_bpp;
484 	u8 boot_mode_refresh;
485 
486 	u16 enable_lfp_primary:1;
487 	u16 selective_mode_pruning:1;
488 	u16 dual_frequency:1;
489 	u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
490 	u16 nt_clone_support:1;
491 	u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
492 	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
493 	u16 cui_aspect_scaling:1;
494 	u16 preserve_aspect_ratio:1;
495 	u16 sdvo_device_power_down:1;
496 	u16 crt_hotplug:1;
497 	u16 lvds_config:2;
498 	u16 tv_hotplug:1;
499 	u16 hdmi_config:2;
500 
501 	u8 static_display:1;
502 	u8 reserved2:7;
503 	u16 legacy_crt_max_x;
504 	u16 legacy_crt_max_y;
505 	u8 legacy_crt_max_refresh;
506 
507 	u8 hdmi_termination;
508 	u8 custom_vbt_version;
509 	/* Driver features data block */
510 	u16 rmpm_enabled:1;
511 	u16 s2ddt_enabled:1;
512 	u16 dpst_enabled:1;
513 	u16 bltclt_enabled:1;
514 	u16 adb_enabled:1;
515 	u16 drrs_enabled:1;
516 	u16 grs_enabled:1;
517 	u16 gpmt_enabled:1;
518 	u16 tbt_enabled:1;
519 	u16 psr_enabled:1;
520 	u16 ips_enabled:1;
521 	u16 reserved3:4;
522 	u16 pc_feature_valid:1;
523 } __packed;
524 
525 #define EDP_18BPP	0
526 #define EDP_24BPP	1
527 #define EDP_30BPP	2
528 #define EDP_RATE_1_62	0
529 #define EDP_RATE_2_7	1
530 #define EDP_LANE_1	0
531 #define EDP_LANE_2	1
532 #define EDP_LANE_4	3
533 #define EDP_PREEMPHASIS_NONE	0
534 #define EDP_PREEMPHASIS_3_5dB	1
535 #define EDP_PREEMPHASIS_6dB	2
536 #define EDP_PREEMPHASIS_9_5dB	3
537 #define EDP_VSWING_0_4V		0
538 #define EDP_VSWING_0_6V		1
539 #define EDP_VSWING_0_8V		2
540 #define EDP_VSWING_1_2V		3
541 
542 struct edp_power_seq {
543 	u16 t1_t3;
544 	u16 t8;
545 	u16 t9;
546 	u16 t10;
547 	u16 t11_t12;
548 } __packed;
549 
550 struct edp_link_params {
551 	u8 rate:4;
552 	u8 lanes:4;
553 	u8 preemphasis:4;
554 	u8 vswing:4;
555 } __packed;
556 
557 struct bdb_edp {
558 	struct edp_power_seq power_seqs[16];
559 	u32 color_depth;
560 	struct edp_link_params link_params[16];
561 	u32 sdrrs_msa_timing_delay;
562 
563 	/* ith bit indicates enabled/disabled for (i+1)th panel */
564 	u16 edp_s3d_feature;
565 	u16 edp_t3_optimization;
566 	u64 edp_vswing_preemph;		/* v173 */
567 } __packed;
568 
569 struct psr_table {
570 	/* Feature bits */
571 	u8 full_link:1;
572 	u8 require_aux_to_wakeup:1;
573 	u8 feature_bits_rsvd:6;
574 
575 	/* Wait times */
576 	u8 idle_frames:4;
577 	u8 lines_to_wait:3;
578 	u8 wait_times_rsvd:1;
579 
580 	/* TP wake up time in multiple of 100 */
581 	u16 tp1_wakeup_time;
582 	u16 tp2_tp3_wakeup_time;
583 } __packed;
584 
585 struct bdb_psr {
586 	struct psr_table psr_table[16];
587 } __packed;
588 
589 /*
590  * Driver<->VBIOS interaction occurs through scratch bits in
591  * GR18 & SWF*.
592  */
593 
594 /* GR18 bits are set on display switch and hotkey events */
595 #define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
596 #define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
597 #define   GR18_HK_NONE		(0x0<<3)
598 #define   GR18_HK_LFP_STRETCH	(0x1<<3)
599 #define   GR18_HK_TOGGLE_DISP	(0x2<<3)
600 #define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
601 #define   GR18_HK_POPUP_DISABLED (0x6<<3)
602 #define   GR18_HK_POPUP_ENABLED	(0x7<<3)
603 #define   GR18_HK_PFIT		(0x8<<3)
604 #define   GR18_HK_APM_CHANGE	(0xa<<3)
605 #define   GR18_HK_MULTIPLE	(0xc<<3)
606 #define GR18_USER_INT_EN	(1<<2)
607 #define GR18_A0000_FLUSH_EN	(1<<1)
608 #define GR18_SMM_EN		(1<<0)
609 
610 /* Set by driver, cleared by VBIOS */
611 #define SWF00_YRES_SHIFT	16
612 #define SWF00_XRES_SHIFT	0
613 #define SWF00_RES_MASK		0xffff
614 
615 /* Set by VBIOS at boot time and driver at runtime */
616 #define SWF01_TV2_FORMAT_SHIFT	8
617 #define SWF01_TV1_FORMAT_SHIFT	0
618 #define SWF01_TV_FORMAT_MASK	0xffff
619 
620 #define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
621 #define SWF10_GTT_OVERRIDE_EN	(1<<28)
622 #define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
623 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
624 #define   SWF10_OLD_TOGGLE	0x0
625 #define   SWF10_TOGGLE_LIST_1	0x1
626 #define   SWF10_TOGGLE_LIST_2	0x2
627 #define   SWF10_TOGGLE_LIST_3	0x3
628 #define   SWF10_TOGGLE_LIST_4	0x4
629 #define SWF10_PANNING_EN	(1<<23)
630 #define SWF10_DRIVER_LOADED	(1<<22)
631 #define SWF10_EXTENDED_DESKTOP	(1<<21)
632 #define SWF10_EXCLUSIVE_MODE	(1<<20)
633 #define SWF10_OVERLAY_EN	(1<<19)
634 #define SWF10_PLANEB_HOLDOFF	(1<<18)
635 #define SWF10_PLANEA_HOLDOFF	(1<<17)
636 #define SWF10_VGA_HOLDOFF	(1<<16)
637 #define SWF10_ACTIVE_DISP_MASK	0xffff
638 #define   SWF10_PIPEB_LFP2	(1<<15)
639 #define   SWF10_PIPEB_EFP2	(1<<14)
640 #define   SWF10_PIPEB_TV2	(1<<13)
641 #define   SWF10_PIPEB_CRT2	(1<<12)
642 #define   SWF10_PIPEB_LFP	(1<<11)
643 #define   SWF10_PIPEB_EFP	(1<<10)
644 #define   SWF10_PIPEB_TV	(1<<9)
645 #define   SWF10_PIPEB_CRT	(1<<8)
646 #define   SWF10_PIPEA_LFP2	(1<<7)
647 #define   SWF10_PIPEA_EFP2	(1<<6)
648 #define   SWF10_PIPEA_TV2	(1<<5)
649 #define   SWF10_PIPEA_CRT2	(1<<4)
650 #define   SWF10_PIPEA_LFP	(1<<3)
651 #define   SWF10_PIPEA_EFP	(1<<2)
652 #define   SWF10_PIPEA_TV	(1<<1)
653 #define   SWF10_PIPEA_CRT	(1<<0)
654 
655 #define SWF11_MEMORY_SIZE_SHIFT	16
656 #define SWF11_SV_TEST_EN	(1<<15)
657 #define SWF11_IS_AGP		(1<<14)
658 #define SWF11_DISPLAY_HOLDOFF	(1<<13)
659 #define SWF11_DPMS_REDUCED	(1<<12)
660 #define SWF11_IS_VBE_MODE	(1<<11)
661 #define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
662 #define SWF11_DPMS_MASK		0x07
663 #define   SWF11_DPMS_OFF	(1<<2)
664 #define   SWF11_DPMS_SUSPEND	(1<<1)
665 #define   SWF11_DPMS_STANDBY	(1<<0)
666 #define   SWF11_DPMS_ON		0
667 
668 #define SWF14_GFX_PFIT_EN	(1<<31)
669 #define SWF14_TEXT_PFIT_EN	(1<<30)
670 #define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
671 #define SWF14_POPUP_EN		(1<<28)
672 #define SWF14_DISPLAY_HOLDOFF	(1<<27)
673 #define SWF14_DISP_DETECT_EN	(1<<26)
674 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
675 #define SWF14_DRIVER_STATUS	(1<<24)
676 #define SWF14_OS_TYPE_WIN9X	(1<<23)
677 #define SWF14_OS_TYPE_WINNT	(1<<22)
678 /* 21:19 rsvd */
679 #define SWF14_PM_TYPE_MASK	0x00070000
680 #define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
681 #define   SWF14_PM_ACPI		(0x3 << 16)
682 #define   SWF14_PM_APM_12	(0x2 << 16)
683 #define   SWF14_PM_APM_11	(0x1 << 16)
684 #define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
685           /* if GR18 indicates a display switch */
686 #define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
687 #define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
688 #define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
689 #define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
690 #define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
691 #define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
692 #define   SWF14_DS_PIPEB_TV_EN   (1<<9)
693 #define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
694 #define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
695 #define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
696 #define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
697 #define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
698 #define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
699 #define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
700 #define   SWF14_DS_PIPEA_TV_EN   (1<<1)
701 #define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
702           /* if GR18 indicates a panel fitting request */
703 #define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
704           /* if GR18 indicates an APM change request */
705 #define   SWF14_APM_HIBERNATE	0x4
706 #define   SWF14_APM_SUSPEND	0x3
707 #define   SWF14_APM_STANDBY	0x1
708 #define   SWF14_APM_RESTORE	0x0
709 
710 /* Add the device class for LFP, TV, HDMI */
711 #define	 DEVICE_TYPE_INT_LFP	0x1022
712 #define	 DEVICE_TYPE_INT_TV	0x1009
713 #define	 DEVICE_TYPE_HDMI	0x60D2
714 #define	 DEVICE_TYPE_DP		0x68C6
715 #define	 DEVICE_TYPE_eDP	0x78C6
716 
717 #define  DEVICE_TYPE_CLASS_EXTENSION	(1 << 15)
718 #define  DEVICE_TYPE_POWER_MANAGEMENT	(1 << 14)
719 #define  DEVICE_TYPE_HOTPLUG_SIGNALING	(1 << 13)
720 #define  DEVICE_TYPE_INTERNAL_CONNECTOR	(1 << 12)
721 #define  DEVICE_TYPE_NOT_HDMI_OUTPUT	(1 << 11)
722 #define  DEVICE_TYPE_MIPI_OUTPUT	(1 << 10)
723 #define  DEVICE_TYPE_COMPOSITE_OUTPUT	(1 << 9)
724 #define  DEVICE_TYPE_DUAL_CHANNEL	(1 << 8)
725 #define  DEVICE_TYPE_HIGH_SPEED_LINK	(1 << 6)
726 #define  DEVICE_TYPE_LVDS_SINGALING	(1 << 5)
727 #define  DEVICE_TYPE_TMDS_DVI_SIGNALING	(1 << 4)
728 #define  DEVICE_TYPE_VIDEO_SIGNALING	(1 << 3)
729 #define  DEVICE_TYPE_DISPLAYPORT_OUTPUT	(1 << 2)
730 #define  DEVICE_TYPE_DIGITAL_OUTPUT	(1 << 1)
731 #define  DEVICE_TYPE_ANALOG_OUTPUT	(1 << 0)
732 
733 /*
734  * Bits we care about when checking for DEVICE_TYPE_eDP
735  * Depending on the system, the other bits may or may not
736  * be set for eDP outputs.
737  */
738 #define DEVICE_TYPE_eDP_BITS \
739 	(DEVICE_TYPE_INTERNAL_CONNECTOR | \
740 	 DEVICE_TYPE_MIPI_OUTPUT | \
741 	 DEVICE_TYPE_COMPOSITE_OUTPUT | \
742 	 DEVICE_TYPE_DUAL_CHANNEL | \
743 	 DEVICE_TYPE_LVDS_SINGALING | \
744 	 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
745 	 DEVICE_TYPE_VIDEO_SIGNALING | \
746 	 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
747 	 DEVICE_TYPE_ANALOG_OUTPUT)
748 
749 /* define the DVO port for HDMI output type */
750 #define		DVO_B		1
751 #define		DVO_C		2
752 #define		DVO_D		3
753 
754 /* Possible values for the "DVO Port" field for versions >= 155: */
755 #define DVO_PORT_HDMIA	0
756 #define DVO_PORT_HDMIB	1
757 #define DVO_PORT_HDMIC	2
758 #define DVO_PORT_HDMID	3
759 #define DVO_PORT_LVDS	4
760 #define DVO_PORT_TV	5
761 #define DVO_PORT_CRT	6
762 #define DVO_PORT_DPB	7
763 #define DVO_PORT_DPC	8
764 #define DVO_PORT_DPD	9
765 #define DVO_PORT_DPA	10
766 #define DVO_PORT_DPE	11
767 #define DVO_PORT_HDMIE	12
768 #define DVO_PORT_MIPIA	21
769 #define DVO_PORT_MIPIB	22
770 #define DVO_PORT_MIPIC	23
771 #define DVO_PORT_MIPID	24
772 
773 /* Block 52 contains MIPI Panel info
774  * 6 such enteries will there. Index into correct
775  * entery is based on the panel_index in #40 LFP
776  */
777 #define MAX_MIPI_CONFIGURATIONS	6
778 
779 #define MIPI_DSI_UNDEFINED_PANEL_ID	0
780 #define MIPI_DSI_GENERIC_PANEL_ID	1
781 
782 /*
783  * PMIC vs SoC Backlight support specified in pwm_blc
784  * field in mipi_config block below.
785 */
786 #define PPS_BLC_PMIC   0
787 #define PPS_BLC_SOC    1
788 
789 struct mipi_config {
790 	u16 panel_id;
791 
792 	/* General Params */
793 	u32 enable_dithering:1;
794 	u32 rsvd1:1;
795 	u32 is_bridge:1;
796 
797 	u32 panel_arch_type:2;
798 	u32 is_cmd_mode:1;
799 
800 #define NON_BURST_SYNC_PULSE	0x1
801 #define NON_BURST_SYNC_EVENTS	0x2
802 #define BURST_MODE		0x3
803 	u32 video_transfer_mode:2;
804 
805 	u32 cabc_supported:1;
806 	u32 pwm_blc:1;
807 
808 	/* Bit 13:10 */
809 #define PIXEL_FORMAT_RGB565			0x1
810 #define PIXEL_FORMAT_RGB666			0x2
811 #define PIXEL_FORMAT_RGB666_LOOSELY_PACKED	0x3
812 #define PIXEL_FORMAT_RGB888			0x4
813 	u32 videomode_color_format:4;
814 
815 	/* Bit 15:14 */
816 #define ENABLE_ROTATION_0	0x0
817 #define ENABLE_ROTATION_90	0x1
818 #define ENABLE_ROTATION_180	0x2
819 #define ENABLE_ROTATION_270	0x3
820 	u32 rotation:2;
821 	u32 bta_enabled:1;
822 	u32 rsvd2:15;
823 
824 	/* 2 byte Port Description */
825 #define DUAL_LINK_NOT_SUPPORTED	0
826 #define DUAL_LINK_FRONT_BACK	1
827 #define DUAL_LINK_PIXEL_ALT	2
828 	u16 dual_link:2;
829 	u16 lane_cnt:2;
830 	u16 pixel_overlap:3;
831 	u16 rsvd3:9;
832 
833 	u16 rsvd4;
834 
835 	u8 rsvd5;
836 	u32 target_burst_mode_freq;
837 	u32 dsi_ddr_clk;
838 	u32 bridge_ref_clk;
839 
840 #define  BYTE_CLK_SEL_20MHZ		0
841 #define  BYTE_CLK_SEL_10MHZ		1
842 #define  BYTE_CLK_SEL_5MHZ		2
843 	u8 byte_clk_sel:2;
844 
845 	u8 rsvd6:6;
846 
847 	/* DPHY Flags */
848 	u16 dphy_param_valid:1;
849 	u16 eot_pkt_disabled:1;
850 	u16 enable_clk_stop:1;
851 	u16 rsvd7:13;
852 
853 	u32 hs_tx_timeout;
854 	u32 lp_rx_timeout;
855 	u32 turn_around_timeout;
856 	u32 device_reset_timer;
857 	u32 master_init_timer;
858 	u32 dbi_bw_timer;
859 	u32 lp_byte_clk_val;
860 
861 	/*  4 byte Dphy Params */
862 	u32 prepare_cnt:6;
863 	u32 rsvd8:2;
864 	u32 clk_zero_cnt:8;
865 	u32 trail_cnt:5;
866 	u32 rsvd9:3;
867 	u32 exit_zero_cnt:6;
868 	u32 rsvd10:2;
869 
870 	u32 clk_lane_switch_cnt;
871 	u32 hl_switch_cnt;
872 
873 	u32 rsvd11[6];
874 
875 	/* timings based on dphy spec */
876 	u8 tclk_miss;
877 	u8 tclk_post;
878 	u8 rsvd12;
879 	u8 tclk_pre;
880 	u8 tclk_prepare;
881 	u8 tclk_settle;
882 	u8 tclk_term_enable;
883 	u8 tclk_trail;
884 	u16 tclk_prepare_clkzero;
885 	u8 rsvd13;
886 	u8 td_term_enable;
887 	u8 teot;
888 	u8 ths_exit;
889 	u8 ths_prepare;
890 	u16 ths_prepare_hszero;
891 	u8 rsvd14;
892 	u8 ths_settle;
893 	u8 ths_skip;
894 	u8 ths_trail;
895 	u8 tinit;
896 	u8 tlpx;
897 	u8 rsvd15[3];
898 
899 	/* GPIOs */
900 	u8 panel_enable;
901 	u8 bl_enable;
902 	u8 pwm_enable;
903 	u8 reset_r_n;
904 	u8 pwr_down_r;
905 	u8 stdby_r_n;
906 
907 } __packed;
908 
909 /* Block 52 contains MIPI configuration block
910  * 6 * bdb_mipi_config, followed by 6 pps data
911  * block below
912  *
913  * all delays has a unit of 100us
914  */
915 struct mipi_pps_data {
916 	u16 panel_on_delay;
917 	u16 bl_enable_delay;
918 	u16 bl_disable_delay;
919 	u16 panel_off_delay;
920 	u16 panel_power_cycle_delay;
921 } __packed;
922 
923 struct bdb_mipi_config {
924 	struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
925 	struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
926 } __packed;
927 
928 /* Block 53 contains MIPI sequences as needed by the panel
929  * for enabling it. This block can be variable in size and
930  * can be maximum of 6 blocks
931  */
932 struct bdb_mipi_sequence {
933 	u8 version;
934 	u8 data[0];
935 } __packed;
936 
937 /* MIPI Sequnece Block definitions */
938 enum mipi_seq {
939 	MIPI_SEQ_UNDEFINED = 0,
940 	MIPI_SEQ_ASSERT_RESET,
941 	MIPI_SEQ_INIT_OTP,
942 	MIPI_SEQ_DISPLAY_ON,
943 	MIPI_SEQ_DISPLAY_OFF,
944 	MIPI_SEQ_DEASSERT_RESET,
945 	MIPI_SEQ_MAX
946 };
947 
948 enum mipi_seq_element {
949 	MIPI_SEQ_ELEM_UNDEFINED = 0,
950 	MIPI_SEQ_ELEM_SEND_PKT,
951 	MIPI_SEQ_ELEM_DELAY,
952 	MIPI_SEQ_ELEM_GPIO,
953 	MIPI_SEQ_ELEM_STATUS,
954 	MIPI_SEQ_ELEM_MAX
955 };
956 
957 enum mipi_gpio_pin_index {
958 	MIPI_GPIO_UNDEFINED = 0,
959 	MIPI_GPIO_PANEL_ENABLE,
960 	MIPI_GPIO_BL_ENABLE,
961 	MIPI_GPIO_PWM_ENABLE,
962 	MIPI_GPIO_RESET_N,
963 	MIPI_GPIO_PWR_DOWN_R,
964 	MIPI_GPIO_STDBY_RST_N,
965 	MIPI_GPIO_MAX
966 };
967 
968 #endif /* _I830_BIOS_H_ */
969