xref: /dragonfly/sys/dev/drm/i915/intel_bios.h (revision 5cef369f)
1 /*
2  * Copyright © 2006 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  *
23  * Authors:
24  *    Eric Anholt <eric@anholt.net>
25  *
26  */
27 
28 #ifndef _I830_BIOS_H_
29 #define _I830_BIOS_H_
30 
31 #include <drm/drmP.h>
32 
33 struct vbt_header {
34 	u8 signature[20];		/**< Always starts with 'VBT$' */
35 	u16 version;			/**< decimal */
36 	u16 header_size;		/**< in bytes */
37 	u16 vbt_size;			/**< in bytes */
38 	u8 vbt_checksum;
39 	u8 reserved0;
40 	u32 bdb_offset;			/**< from beginning of VBT */
41 	u32 aim_offset[4];		/**< from beginning of VBT */
42 } __packed;
43 
44 struct bdb_header {
45 	u8 signature[16];		/**< Always 'BIOS_DATA_BLOCK' */
46 	u16 version;			/**< decimal */
47 	u16 header_size;		/**< in bytes */
48 	u16 bdb_size;			/**< in bytes */
49 } __packed;
50 
51 /* strictly speaking, this is a "skip" block, but it has interesting info */
52 struct vbios_data {
53 	u8 type; /* 0 == desktop, 1 == mobile */
54 	u8 relstage;
55 	u8 chipset;
56 	u8 lvds_present:1;
57 	u8 tv_present:1;
58 	u8 rsvd2:6; /* finish byte */
59 	u8 rsvd3[4];
60 	u8 signon[155];
61 	u8 copyright[61];
62 	u16 code_segment;
63 	u8 dos_boot_mode;
64 	u8 bandwidth_percent;
65 	u8 rsvd4; /* popup memory size */
66 	u8 resize_pci_bios;
67 	u8 rsvd5; /* is crt already on ddc2 */
68 } __packed;
69 
70 /*
71  * There are several types of BIOS data blocks (BDBs), each block has
72  * an ID and size in the first 3 bytes (ID in first, size in next 2).
73  * Known types are listed below.
74  */
75 #define BDB_GENERAL_FEATURES	  1
76 #define BDB_GENERAL_DEFINITIONS	  2
77 #define BDB_OLD_TOGGLE_LIST	  3
78 #define BDB_MODE_SUPPORT_LIST	  4
79 #define BDB_GENERIC_MODE_TABLE	  5
80 #define BDB_EXT_MMIO_REGS	  6
81 #define BDB_SWF_IO		  7
82 #define BDB_SWF_MMIO		  8
83 #define BDB_PSR			  9
84 #define BDB_MODE_REMOVAL_TABLE	 10
85 #define BDB_CHILD_DEVICE_TABLE	 11
86 #define BDB_DRIVER_FEATURES	 12
87 #define BDB_DRIVER_PERSISTENCE	 13
88 #define BDB_EXT_TABLE_PTRS	 14
89 #define BDB_DOT_CLOCK_OVERRIDE	 15
90 #define BDB_DISPLAY_SELECT	 16
91 /* 17 rsvd */
92 #define BDB_DRIVER_ROTATION	 18
93 #define BDB_DISPLAY_REMOVE	 19
94 #define BDB_OEM_CUSTOM		 20
95 #define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
96 #define BDB_SDVO_LVDS_OPTIONS	 22
97 #define BDB_SDVO_PANEL_DTDS	 23
98 #define BDB_SDVO_LVDS_PNP_IDS	 24
99 #define BDB_SDVO_LVDS_POWER_SEQ	 25
100 #define BDB_TV_OPTIONS		 26
101 #define BDB_EDP			 27
102 #define BDB_LVDS_OPTIONS	 40
103 #define BDB_LVDS_LFP_DATA_PTRS	 41
104 #define BDB_LVDS_LFP_DATA	 42
105 #define BDB_LVDS_BACKLIGHT	 43
106 #define BDB_LVDS_POWER		 44
107 #define BDB_MIPI_CONFIG		 52
108 #define BDB_MIPI_SEQUENCE	 53
109 #define BDB_SKIP		254 /* VBIOS private block, ignore */
110 
111 struct bdb_general_features {
112         /* bits 1 */
113 	u8 panel_fitting:2;
114 	u8 flexaim:1;
115 	u8 msg_enable:1;
116 	u8 clear_screen:3;
117 	u8 color_flip:1;
118 
119         /* bits 2 */
120 	u8 download_ext_vbt:1;
121 	u8 enable_ssc:1;
122 	u8 ssc_freq:1;
123 	u8 enable_lfp_on_override:1;
124 	u8 disable_ssc_ddt:1;
125 	u8 rsvd7:1;
126 	u8 display_clock_mode:1;
127 	u8 rsvd8:1; /* finish byte */
128 
129         /* bits 3 */
130 	u8 disable_smooth_vision:1;
131 	u8 single_dvi:1;
132 	u8 rsvd9:1;
133 	u8 fdi_rx_polarity_inverted:1;
134 	u8 rsvd10:4; /* finish byte */
135 
136         /* bits 4 */
137 	u8 legacy_monitor_detect;
138 
139         /* bits 5 */
140 	u8 int_crt_support:1;
141 	u8 int_tv_support:1;
142 	u8 int_efp_support:1;
143 	u8 dp_ssc_enb:1;	/* PCH attached eDP supports SSC */
144 	u8 dp_ssc_freq:1;	/* SSC freq for PCH attached eDP */
145 	u8 rsvd11:3; /* finish byte */
146 } __packed;
147 
148 /* pre-915 */
149 #define GPIO_PIN_DVI_LVDS	0x03 /* "DVI/LVDS DDC GPIO pins" */
150 #define GPIO_PIN_ADD_I2C	0x05 /* "ADDCARD I2C GPIO pins" */
151 #define GPIO_PIN_ADD_DDC	0x04 /* "ADDCARD DDC GPIO pins" */
152 #define GPIO_PIN_ADD_DDC_I2C	0x06 /* "ADDCARD DDC/I2C GPIO pins" */
153 
154 /* Pre 915 */
155 #define DEVICE_TYPE_NONE	0x00
156 #define DEVICE_TYPE_CRT		0x01
157 #define DEVICE_TYPE_TV		0x09
158 #define DEVICE_TYPE_EFP		0x12
159 #define DEVICE_TYPE_LFP		0x22
160 /* On 915+ */
161 #define DEVICE_TYPE_CRT_DPMS		0x6001
162 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG	0x4001
163 #define DEVICE_TYPE_TV_COMPOSITE	0x0209
164 #define DEVICE_TYPE_TV_MACROVISION	0x0289
165 #define DEVICE_TYPE_TV_RF_COMPOSITE	0x020c
166 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE	0x0609
167 #define DEVICE_TYPE_TV_SCART		0x0209
168 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
169 #define DEVICE_TYPE_EFP_HOTPLUG_PWR	0x6012
170 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR	0x6052
171 #define DEVICE_TYPE_EFP_DVI_I		0x6053
172 #define DEVICE_TYPE_EFP_DVI_D_DUAL	0x6152
173 #define DEVICE_TYPE_EFP_DVI_D_HDCP	0x60d2
174 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR	0x6062
175 #define DEVICE_TYPE_OPENLDI_DUALPIX	0x6162
176 #define DEVICE_TYPE_LFP_PANELLINK	0x5012
177 #define DEVICE_TYPE_LFP_CMOS_PWR	0x5042
178 #define DEVICE_TYPE_LFP_LVDS_PWR	0x5062
179 #define DEVICE_TYPE_LFP_LVDS_DUAL	0x5162
180 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP	0x51e2
181 
182 #define DEVICE_CFG_NONE		0x00
183 #define DEVICE_CFG_12BIT_DVOB	0x01
184 #define DEVICE_CFG_12BIT_DVOC	0x02
185 #define DEVICE_CFG_24BIT_DVOBC	0x09
186 #define DEVICE_CFG_24BIT_DVOCB	0x0a
187 #define DEVICE_CFG_DUAL_DVOB	0x11
188 #define DEVICE_CFG_DUAL_DVOC	0x12
189 #define DEVICE_CFG_DUAL_DVOBC	0x13
190 #define DEVICE_CFG_DUAL_LINK_DVOBC	0x19
191 #define DEVICE_CFG_DUAL_LINK_DVOCB	0x1a
192 
193 #define DEVICE_WIRE_NONE	0x00
194 #define DEVICE_WIRE_DVOB	0x01
195 #define DEVICE_WIRE_DVOC	0x02
196 #define DEVICE_WIRE_DVOBC	0x03
197 #define DEVICE_WIRE_DVOBB	0x05
198 #define DEVICE_WIRE_DVOCC	0x06
199 #define DEVICE_WIRE_DVOB_MASTER 0x0d
200 #define DEVICE_WIRE_DVOC_MASTER 0x0e
201 
202 #define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
203 #define DEVICE_PORT_DVOB	0x01
204 #define DEVICE_PORT_DVOC	0x02
205 
206 /* We used to keep this struct but without any version control. We should avoid
207  * using it in the future, but it should be safe to keep using it in the old
208  * code. */
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 struct common_child_dev_config {
235 	u16 handle;
236 	u16 device_type;
237 	u8 not_common1[12];
238 	u8 dvo_port;
239 	u8 not_common2[2];
240 	u8 ddc_pin;
241 	u16 edid_ptr;
242 } __packed;
243 
244 /* This field changes depending on the BDB version, so the most reliable way to
245  * read it is by checking the BDB version and reading the raw pointer. */
246 union child_device_config {
247 	/* This one is safe to be used anywhere, but the code should still check
248 	 * the BDB version. */
249 	u8 raw[33];
250 	/* This one should only be kept for legacy code. */
251 	struct old_child_dev_config old;
252 	/* This one should also be safe to use anywhere, even without version
253 	 * checks. */
254 	struct common_child_dev_config common;
255 } __packed;
256 
257 struct bdb_general_definitions {
258 	/* DDC GPIO */
259 	u8 crt_ddc_gmbus_pin;
260 
261 	/* DPMS bits */
262 	u8 dpms_acpi:1;
263 	u8 skip_boot_crt_detect:1;
264 	u8 dpms_aim:1;
265 	u8 rsvd1:5; /* finish byte */
266 
267 	/* boot device bits */
268 	u8 boot_display[2];
269 	u8 child_dev_size;
270 
271 	/*
272 	 * Device info:
273 	 * If TV is present, it'll be at devices[0].
274 	 * LVDS will be next, either devices[0] or [1], if present.
275 	 * On some platforms the number of device is 6. But could be as few as
276 	 * 4 if both TV and LVDS are missing.
277 	 * And the device num is related with the size of general definition
278 	 * block. It is obtained by using the following formula:
279 	 * number = (block_size - sizeof(bdb_general_definitions))/
280 	 *	     defs->child_dev_size;
281 	 */
282 	uint8_t devices[0];
283 } __packed;
284 
285 /* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
286 #define MODE_MASK		0x3
287 
288 struct bdb_lvds_options {
289 	u8 panel_type;
290 	u8 rsvd1;
291 	/* LVDS capabilities, stored in a dword */
292 	u8 pfit_mode:2;
293 	u8 pfit_text_mode_enhanced:1;
294 	u8 pfit_gfx_mode_enhanced:1;
295 	u8 pfit_ratio_auto:1;
296 	u8 pixel_dither:1;
297 	u8 lvds_edid:1;
298 	u8 rsvd2:1;
299 	u8 rsvd4;
300 	/* LVDS Panel channel bits stored here */
301 	u32 lvds_panel_channel_bits;
302 	/* LVDS SSC (Spread Spectrum Clock) bits stored here. */
303 	u16 ssc_bits;
304 	u16 ssc_freq;
305 	u16 ssc_ddt;
306 	/* Panel color depth defined here */
307 	u16 panel_color_depth;
308 	/* LVDS panel type bits stored here */
309 	u32 dps_panel_type_bits;
310 	/* LVDS backlight control type bits stored here */
311 	u32 blt_control_type_bits;
312 } __packed;
313 
314 /* LFP pointer table contains entries to the struct below */
315 struct bdb_lvds_lfp_data_ptr {
316 	u16 fp_timing_offset; /* offsets are from start of bdb */
317 	u8 fp_table_size;
318 	u16 dvo_timing_offset;
319 	u8 dvo_table_size;
320 	u16 panel_pnp_id_offset;
321 	u8 pnp_table_size;
322 } __packed;
323 
324 struct bdb_lvds_lfp_data_ptrs {
325 	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
326 	struct bdb_lvds_lfp_data_ptr ptr[16];
327 } __packed;
328 
329 /* LFP data has 3 blocks per entry */
330 struct lvds_fp_timing {
331 	u16 x_res;
332 	u16 y_res;
333 	u32 lvds_reg;
334 	u32 lvds_reg_val;
335 	u32 pp_on_reg;
336 	u32 pp_on_reg_val;
337 	u32 pp_off_reg;
338 	u32 pp_off_reg_val;
339 	u32 pp_cycle_reg;
340 	u32 pp_cycle_reg_val;
341 	u32 pfit_reg;
342 	u32 pfit_reg_val;
343 	u16 terminator;
344 } __packed;
345 
346 struct lvds_dvo_timing {
347 	u16 clock;		/**< In 10khz */
348 	u8 hactive_lo;
349 	u8 hblank_lo;
350 	u8 hblank_hi:4;
351 	u8 hactive_hi:4;
352 	u8 vactive_lo;
353 	u8 vblank_lo;
354 	u8 vblank_hi:4;
355 	u8 vactive_hi:4;
356 	u8 hsync_off_lo;
357 	u8 hsync_pulse_width;
358 	u8 vsync_pulse_width:4;
359 	u8 vsync_off:4;
360 	u8 rsvd0:6;
361 	u8 hsync_off_hi:2;
362 	u8 h_image;
363 	u8 v_image;
364 	u8 max_hv;
365 	u8 h_border;
366 	u8 v_border;
367 	u8 rsvd1:3;
368 	u8 digital:2;
369 	u8 vsync_positive:1;
370 	u8 hsync_positive:1;
371 	u8 rsvd2:1;
372 } __packed;
373 
374 struct lvds_pnp_id {
375 	u16 mfg_name;
376 	u16 product_code;
377 	u32 serial;
378 	u8 mfg_week;
379 	u8 mfg_year;
380 } __packed;
381 
382 struct bdb_lvds_lfp_data_entry {
383 	struct lvds_fp_timing fp_timing;
384 	struct lvds_dvo_timing dvo_timing;
385 	struct lvds_pnp_id pnp_id;
386 } __packed;
387 
388 struct bdb_lvds_lfp_data {
389 	struct bdb_lvds_lfp_data_entry data[16];
390 } __packed;
391 
392 #define BDB_BACKLIGHT_TYPE_NONE	0
393 #define BDB_BACKLIGHT_TYPE_PWM	2
394 
395 struct bdb_lfp_backlight_data_entry {
396 	u8 type:2;
397 	u8 active_low_pwm:1;
398 	u8 obsolete1:5;
399 	u16 pwm_freq_hz;
400 	u8 min_brightness;
401 	u8 obsolete2;
402 	u8 obsolete3;
403 } __packed;
404 
405 struct bdb_lfp_backlight_data {
406 	u8 entry_size;
407 	struct bdb_lfp_backlight_data_entry data[16];
408 	u8 level[16];
409 } __packed;
410 
411 struct aimdb_header {
412 	char signature[16];
413 	char oem_device[20];
414 	u16 aimdb_version;
415 	u16 aimdb_header_size;
416 	u16 aimdb_size;
417 } __packed;
418 
419 struct aimdb_block {
420 	u8 aimdb_id;
421 	u16 aimdb_size;
422 } __packed;
423 
424 struct vch_panel_data {
425 	u16 fp_timing_offset;
426 	u8 fp_timing_size;
427 	u16 dvo_timing_offset;
428 	u8 dvo_timing_size;
429 	u16 text_fitting_offset;
430 	u8 text_fitting_size;
431 	u16 graphics_fitting_offset;
432 	u8 graphics_fitting_size;
433 } __packed;
434 
435 struct vch_bdb_22 {
436 	struct aimdb_block aimdb_block;
437 	struct vch_panel_data panels[16];
438 } __packed;
439 
440 struct bdb_sdvo_lvds_options {
441 	u8 panel_backlight;
442 	u8 h40_set_panel_type;
443 	u8 panel_type;
444 	u8 ssc_clk_freq;
445 	u16 als_low_trip;
446 	u16 als_high_trip;
447 	u8 sclalarcoeff_tab_row_num;
448 	u8 sclalarcoeff_tab_row_size;
449 	u8 coefficient[8];
450 	u8 panel_misc_bits_1;
451 	u8 panel_misc_bits_2;
452 	u8 panel_misc_bits_3;
453 	u8 panel_misc_bits_4;
454 } __packed;
455 
456 
457 #define BDB_DRIVER_FEATURE_NO_LVDS		0
458 #define BDB_DRIVER_FEATURE_INT_LVDS		1
459 #define BDB_DRIVER_FEATURE_SDVO_LVDS		2
460 #define BDB_DRIVER_FEATURE_EDP			3
461 
462 struct bdb_driver_features {
463 	u8 boot_dev_algorithm:1;
464 	u8 block_display_switch:1;
465 	u8 allow_display_switch:1;
466 	u8 hotplug_dvo:1;
467 	u8 dual_view_zoom:1;
468 	u8 int15h_hook:1;
469 	u8 sprite_in_clone:1;
470 	u8 primary_lfp_id:1;
471 
472 	u16 boot_mode_x;
473 	u16 boot_mode_y;
474 	u8 boot_mode_bpp;
475 	u8 boot_mode_refresh;
476 
477 	u16 enable_lfp_primary:1;
478 	u16 selective_mode_pruning:1;
479 	u16 dual_frequency:1;
480 	u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
481 	u16 nt_clone_support:1;
482 	u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
483 	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
484 	u16 cui_aspect_scaling:1;
485 	u16 preserve_aspect_ratio:1;
486 	u16 sdvo_device_power_down:1;
487 	u16 crt_hotplug:1;
488 	u16 lvds_config:2;
489 	u16 tv_hotplug:1;
490 	u16 hdmi_config:2;
491 
492 	u8 static_display:1;
493 	u8 reserved2:7;
494 	u16 legacy_crt_max_x;
495 	u16 legacy_crt_max_y;
496 	u8 legacy_crt_max_refresh;
497 
498 	u8 hdmi_termination;
499 	u8 custom_vbt_version;
500 	/* Driver features data block */
501 	u16 rmpm_enabled:1;
502 	u16 s2ddt_enabled:1;
503 	u16 dpst_enabled:1;
504 	u16 bltclt_enabled:1;
505 	u16 adb_enabled:1;
506 	u16 drrs_enabled:1;
507 	u16 grs_enabled:1;
508 	u16 gpmt_enabled:1;
509 	u16 tbt_enabled:1;
510 	u16 psr_enabled:1;
511 	u16 ips_enabled:1;
512 	u16 reserved3:4;
513 	u16 pc_feature_valid:1;
514 } __packed;
515 
516 #define EDP_18BPP	0
517 #define EDP_24BPP	1
518 #define EDP_30BPP	2
519 #define EDP_RATE_1_62	0
520 #define EDP_RATE_2_7	1
521 #define EDP_LANE_1	0
522 #define EDP_LANE_2	1
523 #define EDP_LANE_4	3
524 #define EDP_PREEMPHASIS_NONE	0
525 #define EDP_PREEMPHASIS_3_5dB	1
526 #define EDP_PREEMPHASIS_6dB	2
527 #define EDP_PREEMPHASIS_9_5dB	3
528 #define EDP_VSWING_0_4V		0
529 #define EDP_VSWING_0_6V		1
530 #define EDP_VSWING_0_8V		2
531 #define EDP_VSWING_1_2V		3
532 
533 struct edp_power_seq {
534 	u16 t1_t3;
535 	u16 t8;
536 	u16 t9;
537 	u16 t10;
538 	u16 t11_t12;
539 } __packed;
540 
541 struct edp_link_params {
542 	u8 rate:4;
543 	u8 lanes:4;
544 	u8 preemphasis:4;
545 	u8 vswing:4;
546 } __packed;
547 
548 struct bdb_edp {
549 	struct edp_power_seq power_seqs[16];
550 	u32 color_depth;
551 	struct edp_link_params link_params[16];
552 	u32 sdrrs_msa_timing_delay;
553 
554 	/* ith bit indicates enabled/disabled for (i+1)th panel */
555 	u16 edp_s3d_feature;
556 	u16 edp_t3_optimization;
557 	u64 edp_vswing_preemph;		/* v173 */
558 } __packed;
559 
560 struct psr_table {
561 	/* Feature bits */
562 	u8 full_link:1;
563 	u8 require_aux_to_wakeup:1;
564 	u8 feature_bits_rsvd:6;
565 
566 	/* Wait times */
567 	u8 idle_frames:4;
568 	u8 lines_to_wait:3;
569 	u8 wait_times_rsvd:1;
570 
571 	/* TP wake up time in multiple of 100 */
572 	u16 tp1_wakeup_time;
573 	u16 tp2_tp3_wakeup_time;
574 } __packed;
575 
576 struct bdb_psr {
577 	struct psr_table psr_table[16];
578 } __packed;
579 
580 void intel_setup_bios(struct drm_device *dev);
581 int intel_parse_bios(struct drm_device *dev);
582 
583 /*
584  * Driver<->VBIOS interaction occurs through scratch bits in
585  * GR18 & SWF*.
586  */
587 
588 /* GR18 bits are set on display switch and hotkey events */
589 #define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
590 #define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
591 #define   GR18_HK_NONE		(0x0<<3)
592 #define   GR18_HK_LFP_STRETCH	(0x1<<3)
593 #define   GR18_HK_TOGGLE_DISP	(0x2<<3)
594 #define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
595 #define   GR18_HK_POPUP_DISABLED (0x6<<3)
596 #define   GR18_HK_POPUP_ENABLED	(0x7<<3)
597 #define   GR18_HK_PFIT		(0x8<<3)
598 #define   GR18_HK_APM_CHANGE	(0xa<<3)
599 #define   GR18_HK_MULTIPLE	(0xc<<3)
600 #define GR18_USER_INT_EN	(1<<2)
601 #define GR18_A0000_FLUSH_EN	(1<<1)
602 #define GR18_SMM_EN		(1<<0)
603 
604 /* Set by driver, cleared by VBIOS */
605 #define SWF00_YRES_SHIFT	16
606 #define SWF00_XRES_SHIFT	0
607 #define SWF00_RES_MASK		0xffff
608 
609 /* Set by VBIOS at boot time and driver at runtime */
610 #define SWF01_TV2_FORMAT_SHIFT	8
611 #define SWF01_TV1_FORMAT_SHIFT	0
612 #define SWF01_TV_FORMAT_MASK	0xffff
613 
614 #define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
615 #define SWF10_GTT_OVERRIDE_EN	(1<<28)
616 #define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
617 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
618 #define   SWF10_OLD_TOGGLE	0x0
619 #define   SWF10_TOGGLE_LIST_1	0x1
620 #define   SWF10_TOGGLE_LIST_2	0x2
621 #define   SWF10_TOGGLE_LIST_3	0x3
622 #define   SWF10_TOGGLE_LIST_4	0x4
623 #define SWF10_PANNING_EN	(1<<23)
624 #define SWF10_DRIVER_LOADED	(1<<22)
625 #define SWF10_EXTENDED_DESKTOP	(1<<21)
626 #define SWF10_EXCLUSIVE_MODE	(1<<20)
627 #define SWF10_OVERLAY_EN	(1<<19)
628 #define SWF10_PLANEB_HOLDOFF	(1<<18)
629 #define SWF10_PLANEA_HOLDOFF	(1<<17)
630 #define SWF10_VGA_HOLDOFF	(1<<16)
631 #define SWF10_ACTIVE_DISP_MASK	0xffff
632 #define   SWF10_PIPEB_LFP2	(1<<15)
633 #define   SWF10_PIPEB_EFP2	(1<<14)
634 #define   SWF10_PIPEB_TV2	(1<<13)
635 #define   SWF10_PIPEB_CRT2	(1<<12)
636 #define   SWF10_PIPEB_LFP	(1<<11)
637 #define   SWF10_PIPEB_EFP	(1<<10)
638 #define   SWF10_PIPEB_TV	(1<<9)
639 #define   SWF10_PIPEB_CRT	(1<<8)
640 #define   SWF10_PIPEA_LFP2	(1<<7)
641 #define   SWF10_PIPEA_EFP2	(1<<6)
642 #define   SWF10_PIPEA_TV2	(1<<5)
643 #define   SWF10_PIPEA_CRT2	(1<<4)
644 #define   SWF10_PIPEA_LFP	(1<<3)
645 #define   SWF10_PIPEA_EFP	(1<<2)
646 #define   SWF10_PIPEA_TV	(1<<1)
647 #define   SWF10_PIPEA_CRT	(1<<0)
648 
649 #define SWF11_MEMORY_SIZE_SHIFT	16
650 #define SWF11_SV_TEST_EN	(1<<15)
651 #define SWF11_IS_AGP		(1<<14)
652 #define SWF11_DISPLAY_HOLDOFF	(1<<13)
653 #define SWF11_DPMS_REDUCED	(1<<12)
654 #define SWF11_IS_VBE_MODE	(1<<11)
655 #define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
656 #define SWF11_DPMS_MASK		0x07
657 #define   SWF11_DPMS_OFF	(1<<2)
658 #define   SWF11_DPMS_SUSPEND	(1<<1)
659 #define   SWF11_DPMS_STANDBY	(1<<0)
660 #define   SWF11_DPMS_ON		0
661 
662 #define SWF14_GFX_PFIT_EN	(1<<31)
663 #define SWF14_TEXT_PFIT_EN	(1<<30)
664 #define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
665 #define SWF14_POPUP_EN		(1<<28)
666 #define SWF14_DISPLAY_HOLDOFF	(1<<27)
667 #define SWF14_DISP_DETECT_EN	(1<<26)
668 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
669 #define SWF14_DRIVER_STATUS	(1<<24)
670 #define SWF14_OS_TYPE_WIN9X	(1<<23)
671 #define SWF14_OS_TYPE_WINNT	(1<<22)
672 /* 21:19 rsvd */
673 #define SWF14_PM_TYPE_MASK	0x00070000
674 #define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
675 #define   SWF14_PM_ACPI		(0x3 << 16)
676 #define   SWF14_PM_APM_12	(0x2 << 16)
677 #define   SWF14_PM_APM_11	(0x1 << 16)
678 #define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
679           /* if GR18 indicates a display switch */
680 #define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
681 #define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
682 #define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
683 #define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
684 #define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
685 #define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
686 #define   SWF14_DS_PIPEB_TV_EN   (1<<9)
687 #define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
688 #define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
689 #define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
690 #define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
691 #define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
692 #define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
693 #define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
694 #define   SWF14_DS_PIPEA_TV_EN   (1<<1)
695 #define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
696           /* if GR18 indicates a panel fitting request */
697 #define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
698           /* if GR18 indicates an APM change request */
699 #define   SWF14_APM_HIBERNATE	0x4
700 #define   SWF14_APM_SUSPEND	0x3
701 #define   SWF14_APM_STANDBY	0x1
702 #define   SWF14_APM_RESTORE	0x0
703 
704 /* Add the device class for LFP, TV, HDMI */
705 #define	 DEVICE_TYPE_INT_LFP	0x1022
706 #define	 DEVICE_TYPE_INT_TV	0x1009
707 #define	 DEVICE_TYPE_HDMI	0x60D2
708 #define	 DEVICE_TYPE_DP		0x68C6
709 #define	 DEVICE_TYPE_eDP	0x78C6
710 
711 #define  DEVICE_TYPE_CLASS_EXTENSION	(1 << 15)
712 #define  DEVICE_TYPE_POWER_MANAGEMENT	(1 << 14)
713 #define  DEVICE_TYPE_HOTPLUG_SIGNALING	(1 << 13)
714 #define  DEVICE_TYPE_INTERNAL_CONNECTOR	(1 << 12)
715 #define  DEVICE_TYPE_NOT_HDMI_OUTPUT	(1 << 11)
716 #define  DEVICE_TYPE_MIPI_OUTPUT	(1 << 10)
717 #define  DEVICE_TYPE_COMPOSITE_OUTPUT	(1 << 9)
718 #define  DEVICE_TYPE_DUAL_CHANNEL	(1 << 8)
719 #define  DEVICE_TYPE_HIGH_SPEED_LINK	(1 << 6)
720 #define  DEVICE_TYPE_LVDS_SINGALING	(1 << 5)
721 #define  DEVICE_TYPE_TMDS_DVI_SIGNALING	(1 << 4)
722 #define  DEVICE_TYPE_VIDEO_SIGNALING	(1 << 3)
723 #define  DEVICE_TYPE_DISPLAYPORT_OUTPUT	(1 << 2)
724 #define  DEVICE_TYPE_DIGITAL_OUTPUT	(1 << 1)
725 #define  DEVICE_TYPE_ANALOG_OUTPUT	(1 << 0)
726 
727 /*
728  * Bits we care about when checking for DEVICE_TYPE_eDP
729  * Depending on the system, the other bits may or may not
730  * be set for eDP outputs.
731  */
732 #define DEVICE_TYPE_eDP_BITS \
733 	(DEVICE_TYPE_INTERNAL_CONNECTOR | \
734 	 DEVICE_TYPE_NOT_HDMI_OUTPUT | \
735 	 DEVICE_TYPE_MIPI_OUTPUT | \
736 	 DEVICE_TYPE_COMPOSITE_OUTPUT | \
737 	 DEVICE_TYPE_DUAL_CHANNEL | \
738 	 DEVICE_TYPE_LVDS_SINGALING | \
739 	 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
740 	 DEVICE_TYPE_VIDEO_SIGNALING | \
741 	 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
742 	 DEVICE_TYPE_DIGITAL_OUTPUT | \
743 	 DEVICE_TYPE_ANALOG_OUTPUT)
744 
745 /* define the DVO port for HDMI output type */
746 #define		DVO_B		1
747 #define		DVO_C		2
748 #define		DVO_D		3
749 
750 /* define the PORT for DP output type */
751 #define		PORT_IDPB	7
752 #define		PORT_IDPC	8
753 #define		PORT_IDPD	9
754 
755 /* Possible values for the "DVO Port" field for versions >= 155: */
756 #define DVO_PORT_HDMIA	0
757 #define DVO_PORT_HDMIB	1
758 #define DVO_PORT_HDMIC	2
759 #define DVO_PORT_HDMID	3
760 #define DVO_PORT_LVDS	4
761 #define DVO_PORT_TV	5
762 #define DVO_PORT_CRT	6
763 #define DVO_PORT_DPB	7
764 #define DVO_PORT_DPC	8
765 #define DVO_PORT_DPD	9
766 #define DVO_PORT_DPA	10
767 #define DVO_PORT_MIPIA	21
768 #define DVO_PORT_MIPIB	22
769 #define DVO_PORT_MIPIC	23
770 #define DVO_PORT_MIPID	24
771 
772 /* Block 52 contains MIPI Panel info
773  * 6 such enteries will there. Index into correct
774  * entery is based on the panel_index in #40 LFP
775  */
776 #define MAX_MIPI_CONFIGURATIONS	6
777 
778 #define MIPI_DSI_UNDEFINED_PANEL_ID	0
779 #define MIPI_DSI_GENERIC_PANEL_ID	1
780 
781 struct mipi_config {
782 	u16 panel_id;
783 
784 	/* General Params */
785 	u32 enable_dithering:1;
786 	u32 rsvd1:1;
787 	u32 is_bridge:1;
788 
789 	u32 panel_arch_type:2;
790 	u32 is_cmd_mode:1;
791 
792 #define NON_BURST_SYNC_PULSE	0x1
793 #define NON_BURST_SYNC_EVENTS	0x2
794 #define BURST_MODE		0x3
795 	u32 video_transfer_mode:2;
796 
797 	u32 cabc_supported:1;
798 	u32 pwm_blc:1;
799 
800 	/* Bit 13:10 */
801 #define PIXEL_FORMAT_RGB565			0x1
802 #define PIXEL_FORMAT_RGB666			0x2
803 #define PIXEL_FORMAT_RGB666_LOOSELY_PACKED	0x3
804 #define PIXEL_FORMAT_RGB888			0x4
805 	u32 videomode_color_format:4;
806 
807 	/* Bit 15:14 */
808 #define ENABLE_ROTATION_0	0x0
809 #define ENABLE_ROTATION_90	0x1
810 #define ENABLE_ROTATION_180	0x2
811 #define ENABLE_ROTATION_270	0x3
812 	u32 rotation:2;
813 	u32 bta_enabled:1;
814 	u32 rsvd2:15;
815 
816 	/* 2 byte Port Description */
817 #define DUAL_LINK_NOT_SUPPORTED	0
818 #define DUAL_LINK_FRONT_BACK	1
819 #define DUAL_LINK_PIXEL_ALT	2
820 	u16 dual_link:2;
821 	u16 lane_cnt:2;
822 	u16 pixel_overlap:3;
823 	u16 rsvd3:9;
824 
825 	u16 rsvd4;
826 
827 	u8 rsvd5;
828 	u32 target_burst_mode_freq;
829 	u32 dsi_ddr_clk;
830 	u32 bridge_ref_clk;
831 
832 #define  BYTE_CLK_SEL_20MHZ		0
833 #define  BYTE_CLK_SEL_10MHZ		1
834 #define  BYTE_CLK_SEL_5MHZ		2
835 	u8 byte_clk_sel:2;
836 
837 	u8 rsvd6:6;
838 
839 	/* DPHY Flags */
840 	u16 dphy_param_valid:1;
841 	u16 eot_pkt_disabled:1;
842 	u16 enable_clk_stop:1;
843 	u16 rsvd7:13;
844 
845 	u32 hs_tx_timeout;
846 	u32 lp_rx_timeout;
847 	u32 turn_around_timeout;
848 	u32 device_reset_timer;
849 	u32 master_init_timer;
850 	u32 dbi_bw_timer;
851 	u32 lp_byte_clk_val;
852 
853 	/*  4 byte Dphy Params */
854 	u32 prepare_cnt:6;
855 	u32 rsvd8:2;
856 	u32 clk_zero_cnt:8;
857 	u32 trail_cnt:5;
858 	u32 rsvd9:3;
859 	u32 exit_zero_cnt:6;
860 	u32 rsvd10:2;
861 
862 	u32 clk_lane_switch_cnt;
863 	u32 hl_switch_cnt;
864 
865 	u32 rsvd11[6];
866 
867 	/* timings based on dphy spec */
868 	u8 tclk_miss;
869 	u8 tclk_post;
870 	u8 rsvd12;
871 	u8 tclk_pre;
872 	u8 tclk_prepare;
873 	u8 tclk_settle;
874 	u8 tclk_term_enable;
875 	u8 tclk_trail;
876 	u16 tclk_prepare_clkzero;
877 	u8 rsvd13;
878 	u8 td_term_enable;
879 	u8 teot;
880 	u8 ths_exit;
881 	u8 ths_prepare;
882 	u16 ths_prepare_hszero;
883 	u8 rsvd14;
884 	u8 ths_settle;
885 	u8 ths_skip;
886 	u8 ths_trail;
887 	u8 tinit;
888 	u8 tlpx;
889 	u8 rsvd15[3];
890 
891 	/* GPIOs */
892 	u8 panel_enable;
893 	u8 bl_enable;
894 	u8 pwm_enable;
895 	u8 reset_r_n;
896 	u8 pwr_down_r;
897 	u8 stdby_r_n;
898 
899 } __packed;
900 
901 /* Block 52 contains MIPI configuration block
902  * 6 * bdb_mipi_config, followed by 6 pps data
903  * block below
904  *
905  * all delays has a unit of 100us
906  */
907 struct mipi_pps_data {
908 	u16 panel_on_delay;
909 	u16 bl_enable_delay;
910 	u16 bl_disable_delay;
911 	u16 panel_off_delay;
912 	u16 panel_power_cycle_delay;
913 } __packed;
914 
915 struct bdb_mipi_config {
916 	struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
917 	struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
918 } __packed;
919 
920 /* Block 53 contains MIPI sequences as needed by the panel
921  * for enabling it. This block can be variable in size and
922  * can be maximum of 6 blocks
923  */
924 struct bdb_mipi_sequence {
925 	u8 version;
926 	u8 data[0];
927 } __packed;
928 
929 /* MIPI Sequnece Block definitions */
930 enum mipi_seq {
931 	MIPI_SEQ_UNDEFINED = 0,
932 	MIPI_SEQ_ASSERT_RESET,
933 	MIPI_SEQ_INIT_OTP,
934 	MIPI_SEQ_DISPLAY_ON,
935 	MIPI_SEQ_DISPLAY_OFF,
936 	MIPI_SEQ_DEASSERT_RESET,
937 	MIPI_SEQ_MAX
938 };
939 
940 enum mipi_seq_element {
941 	MIPI_SEQ_ELEM_UNDEFINED = 0,
942 	MIPI_SEQ_ELEM_SEND_PKT,
943 	MIPI_SEQ_ELEM_DELAY,
944 	MIPI_SEQ_ELEM_GPIO,
945 	MIPI_SEQ_ELEM_STATUS,
946 	MIPI_SEQ_ELEM_MAX
947 };
948 
949 enum mipi_gpio_pin_index {
950 	MIPI_GPIO_UNDEFINED = 0,
951 	MIPI_GPIO_PANEL_ENABLE,
952 	MIPI_GPIO_BL_ENABLE,
953 	MIPI_GPIO_PWM_ENABLE,
954 	MIPI_GPIO_RESET_N,
955 	MIPI_GPIO_PWR_DOWN_R,
956 	MIPI_GPIO_STDBY_RST_N,
957 	MIPI_GPIO_MAX
958 };
959 
960 #endif /* _I830_BIOS_H_ */
961