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 "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 } __attribute__((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 };
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 } __attribute__((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_DOT_CLOCK_TABLE	  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_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 rsvd8:3; /* finish byte */
124 
125         /* bits 3 */
126 	u8 disable_smooth_vision:1;
127 	u8 single_dvi:1;
128 	u8 rsvd9:6; /* finish byte */
129 
130         /* bits 4 */
131 	u8 legacy_monitor_detect;
132 
133         /* bits 5 */
134 	u8 int_crt_support:1;
135 	u8 int_tv_support:1;
136 	u8 rsvd11:6; /* finish byte */
137 } __attribute__((packed));
138 
139 /* pre-915 */
140 #define GPIO_PIN_DVI_LVDS	0x03 /* "DVI/LVDS DDC GPIO pins" */
141 #define GPIO_PIN_ADD_I2C	0x05 /* "ADDCARD I2C GPIO pins" */
142 #define GPIO_PIN_ADD_DDC	0x04 /* "ADDCARD DDC GPIO pins" */
143 #define GPIO_PIN_ADD_DDC_I2C	0x06 /* "ADDCARD DDC/I2C GPIO pins" */
144 
145 /* Pre 915 */
146 #define DEVICE_TYPE_NONE	0x00
147 #define DEVICE_TYPE_CRT		0x01
148 #define DEVICE_TYPE_TV		0x09
149 #define DEVICE_TYPE_EFP		0x12
150 #define DEVICE_TYPE_LFP		0x22
151 /* On 915+ */
152 #define DEVICE_TYPE_CRT_DPMS		0x6001
153 #define DEVICE_TYPE_CRT_DPMS_HOTPLUG	0x4001
154 #define DEVICE_TYPE_TV_COMPOSITE	0x0209
155 #define DEVICE_TYPE_TV_MACROVISION	0x0289
156 #define DEVICE_TYPE_TV_RF_COMPOSITE	0x020c
157 #define DEVICE_TYPE_TV_SVIDEO_COMPOSITE	0x0609
158 #define DEVICE_TYPE_TV_SCART		0x0209
159 #define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
160 #define DEVICE_TYPE_EFP_HOTPLUG_PWR	0x6012
161 #define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR	0x6052
162 #define DEVICE_TYPE_EFP_DVI_I		0x6053
163 #define DEVICE_TYPE_EFP_DVI_D_DUAL	0x6152
164 #define DEVICE_TYPE_EFP_DVI_D_HDCP	0x60d2
165 #define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR	0x6062
166 #define DEVICE_TYPE_OPENLDI_DUALPIX	0x6162
167 #define DEVICE_TYPE_LFP_PANELLINK	0x5012
168 #define DEVICE_TYPE_LFP_CMOS_PWR	0x5042
169 #define DEVICE_TYPE_LFP_LVDS_PWR	0x5062
170 #define DEVICE_TYPE_LFP_LVDS_DUAL	0x5162
171 #define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP	0x51e2
172 
173 #define DEVICE_CFG_NONE		0x00
174 #define DEVICE_CFG_12BIT_DVOB	0x01
175 #define DEVICE_CFG_12BIT_DVOC	0x02
176 #define DEVICE_CFG_24BIT_DVOBC	0x09
177 #define DEVICE_CFG_24BIT_DVOCB	0x0a
178 #define DEVICE_CFG_DUAL_DVOB	0x11
179 #define DEVICE_CFG_DUAL_DVOC	0x12
180 #define DEVICE_CFG_DUAL_DVOBC	0x13
181 #define DEVICE_CFG_DUAL_LINK_DVOBC	0x19
182 #define DEVICE_CFG_DUAL_LINK_DVOCB	0x1a
183 
184 #define DEVICE_WIRE_NONE	0x00
185 #define DEVICE_WIRE_DVOB	0x01
186 #define DEVICE_WIRE_DVOC	0x02
187 #define DEVICE_WIRE_DVOBC	0x03
188 #define DEVICE_WIRE_DVOBB	0x05
189 #define DEVICE_WIRE_DVOCC	0x06
190 #define DEVICE_WIRE_DVOB_MASTER 0x0d
191 #define DEVICE_WIRE_DVOC_MASTER 0x0e
192 
193 #define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
194 #define DEVICE_PORT_DVOB	0x01
195 #define DEVICE_PORT_DVOC	0x02
196 
197 struct child_device_config {
198 	u16 handle;
199 	u16 device_type;
200 	u8  i2c_speed;
201 	u8  rsvd[9];
202 	u16 addin_offset;
203 	u8  dvo_port; /* See Device_PORT_* above */
204 	u8  i2c_pin;
205 	u8  slave_addr;
206 	u8  ddc_pin;
207 	u16 edid_ptr;
208 	u8  dvo_cfg; /* See DEVICE_CFG_* above */
209 	u8  dvo2_port;
210 	u8  i2c2_pin;
211 	u8  slave2_addr;
212 	u8  ddc2_pin;
213 	u8  capabilities;
214 	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
215 	u8  dvo2_wiring;
216 	u16 extended_type;
217 	u8  dvo_function;
218 } __attribute__((packed));
219 
220 struct bdb_general_definitions {
221 	/* DDC GPIO */
222 	u8 crt_ddc_gmbus_pin;
223 
224 	/* DPMS bits */
225 	u8 dpms_acpi:1;
226 	u8 skip_boot_crt_detect:1;
227 	u8 dpms_aim:1;
228 	u8 rsvd1:5; /* finish byte */
229 
230 	/* boot device bits */
231 	u8 boot_display[2];
232 	u8 child_dev_size;
233 
234 	/*
235 	 * Device info:
236 	 * If TV is present, it'll be at devices[0].
237 	 * LVDS will be next, either devices[0] or [1], if present.
238 	 * On some platforms the number of device is 6. But could be as few as
239 	 * 4 if both TV and LVDS are missing.
240 	 * And the device num is related with the size of general definition
241 	 * block. It is obtained by using the following formula:
242 	 * number = (block_size - sizeof(bdb_general_definitions))/
243 	 * 		sizeof(child_device_config);
244 	 */
245 	struct child_device_config devices[0];
246 } __attribute__((packed));
247 
248 struct bdb_lvds_options {
249 	u8 panel_type;
250 	u8 rsvd1;
251 	/* LVDS capabilities, stored in a dword */
252 	u8 pfit_mode:2;
253 	u8 pfit_text_mode_enhanced:1;
254 	u8 pfit_gfx_mode_enhanced:1;
255 	u8 pfit_ratio_auto:1;
256 	u8 pixel_dither:1;
257 	u8 lvds_edid:1;
258 	u8 rsvd2:1;
259 	u8 rsvd4;
260 } __attribute__((packed));
261 
262 /* LFP pointer table contains entries to the struct below */
263 struct bdb_lvds_lfp_data_ptr {
264 	u16 fp_timing_offset; /* offsets are from start of bdb */
265 	u8 fp_table_size;
266 	u16 dvo_timing_offset;
267 	u8 dvo_table_size;
268 	u16 panel_pnp_id_offset;
269 	u8 pnp_table_size;
270 } __attribute__((packed));
271 
272 struct bdb_lvds_lfp_data_ptrs {
273 	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
274 	struct bdb_lvds_lfp_data_ptr ptr[16];
275 } __attribute__((packed));
276 
277 /* LFP data has 3 blocks per entry */
278 struct lvds_fp_timing {
279 	u16 x_res;
280 	u16 y_res;
281 	u32 lvds_reg;
282 	u32 lvds_reg_val;
283 	u32 pp_on_reg;
284 	u32 pp_on_reg_val;
285 	u32 pp_off_reg;
286 	u32 pp_off_reg_val;
287 	u32 pp_cycle_reg;
288 	u32 pp_cycle_reg_val;
289 	u32 pfit_reg;
290 	u32 pfit_reg_val;
291 	u16 terminator;
292 } __attribute__((packed));
293 
294 struct lvds_dvo_timing {
295 	u16 clock;		/**< In 10khz */
296 	u8 hactive_lo;
297 	u8 hblank_lo;
298 	u8 hblank_hi:4;
299 	u8 hactive_hi:4;
300 	u8 vactive_lo;
301 	u8 vblank_lo;
302 	u8 vblank_hi:4;
303 	u8 vactive_hi:4;
304 	u8 hsync_off_lo;
305 	u8 hsync_pulse_width;
306 	u8 vsync_pulse_width:4;
307 	u8 vsync_off:4;
308 	u8 rsvd0:6;
309 	u8 hsync_off_hi:2;
310 	u8 h_image;
311 	u8 v_image;
312 	u8 max_hv;
313 	u8 h_border;
314 	u8 v_border;
315 	u8 rsvd1:3;
316 	u8 digital:2;
317 	u8 vsync_positive:1;
318 	u8 hsync_positive:1;
319 	u8 rsvd2:1;
320 } __attribute__((packed));
321 
322 struct lvds_pnp_id {
323 	u16 mfg_name;
324 	u16 product_code;
325 	u32 serial;
326 	u8 mfg_week;
327 	u8 mfg_year;
328 } __attribute__((packed));
329 
330 struct bdb_lvds_lfp_data_entry {
331 	struct lvds_fp_timing fp_timing;
332 	struct lvds_dvo_timing dvo_timing;
333 	struct lvds_pnp_id pnp_id;
334 } __attribute__((packed));
335 
336 struct bdb_lvds_lfp_data {
337 	struct bdb_lvds_lfp_data_entry data[16];
338 } __attribute__((packed));
339 
340 struct aimdb_header {
341 	char signature[16];
342 	char oem_device[20];
343 	u16 aimdb_version;
344 	u16 aimdb_header_size;
345 	u16 aimdb_size;
346 } __attribute__((packed));
347 
348 struct aimdb_block {
349 	u8 aimdb_id;
350 	u16 aimdb_size;
351 } __attribute__((packed));
352 
353 struct vch_panel_data {
354 	u16 fp_timing_offset;
355 	u8 fp_timing_size;
356 	u16 dvo_timing_offset;
357 	u8 dvo_timing_size;
358 	u16 text_fitting_offset;
359 	u8 text_fitting_size;
360 	u16 graphics_fitting_offset;
361 	u8 graphics_fitting_size;
362 } __attribute__((packed));
363 
364 struct vch_bdb_22 {
365 	struct aimdb_block aimdb_block;
366 	struct vch_panel_data panels[16];
367 } __attribute__((packed));
368 
369 struct bdb_sdvo_lvds_options {
370 	u8 panel_backlight;
371 	u8 h40_set_panel_type;
372 	u8 panel_type;
373 	u8 ssc_clk_freq;
374 	u16 als_low_trip;
375 	u16 als_high_trip;
376 	u8 sclalarcoeff_tab_row_num;
377 	u8 sclalarcoeff_tab_row_size;
378 	u8 coefficient[8];
379 	u8 panel_misc_bits_1;
380 	u8 panel_misc_bits_2;
381 	u8 panel_misc_bits_3;
382 	u8 panel_misc_bits_4;
383 } __attribute__((packed));
384 
385 
386 #define BDB_DRIVER_FEATURE_NO_LVDS		0
387 #define BDB_DRIVER_FEATURE_INT_LVDS		1
388 #define BDB_DRIVER_FEATURE_SDVO_LVDS		2
389 #define BDB_DRIVER_FEATURE_EDP			3
390 
391 struct bdb_driver_features {
392 	u8 boot_dev_algorithm:1;
393 	u8 block_display_switch:1;
394 	u8 allow_display_switch:1;
395 	u8 hotplug_dvo:1;
396 	u8 dual_view_zoom:1;
397 	u8 int15h_hook:1;
398 	u8 sprite_in_clone:1;
399 	u8 primary_lfp_id:1;
400 
401 	u16 boot_mode_x;
402 	u16 boot_mode_y;
403 	u8 boot_mode_bpp;
404 	u8 boot_mode_refresh;
405 
406 	u16 enable_lfp_primary:1;
407 	u16 selective_mode_pruning:1;
408 	u16 dual_frequency:1;
409 	u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
410 	u16 nt_clone_support:1;
411 	u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
412 	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
413 	u16 cui_aspect_scaling:1;
414 	u16 preserve_aspect_ratio:1;
415 	u16 sdvo_device_power_down:1;
416 	u16 crt_hotplug:1;
417 	u16 lvds_config:2;
418 	u16 tv_hotplug:1;
419 	u16 hdmi_config:2;
420 
421 	u8 static_display:1;
422 	u8 reserved2:7;
423 	u16 legacy_crt_max_x;
424 	u16 legacy_crt_max_y;
425 	u8 legacy_crt_max_refresh;
426 
427 	u8 hdmi_termination;
428 	u8 custom_vbt_version;
429 } __attribute__((packed));
430 
431 #define EDP_18BPP	0
432 #define EDP_24BPP	1
433 #define EDP_30BPP	2
434 #define EDP_RATE_1_62	0
435 #define EDP_RATE_2_7	1
436 #define EDP_LANE_1	0
437 #define EDP_LANE_2	1
438 #define EDP_LANE_4	3
439 #define EDP_PREEMPHASIS_NONE	0
440 #define EDP_PREEMPHASIS_3_5dB	1
441 #define EDP_PREEMPHASIS_6dB	2
442 #define EDP_PREEMPHASIS_9_5dB	3
443 #define EDP_VSWING_0_4V		0
444 #define EDP_VSWING_0_6V		1
445 #define EDP_VSWING_0_8V		2
446 #define EDP_VSWING_1_2V		3
447 
448 struct edp_power_seq {
449 	u16 t3;
450 	u16 t7;
451 	u16 t9;
452 	u16 t10;
453 	u16 t12;
454 } __attribute__ ((packed));
455 
456 struct edp_link_params {
457 	u8 rate:4;
458 	u8 lanes:4;
459 	u8 preemphasis:4;
460 	u8 vswing:4;
461 } __attribute__ ((packed));
462 
463 struct bdb_edp {
464 	struct edp_power_seq power_seqs[16];
465 	u32 color_depth;
466 	u32 sdrrs_msa_timing_delay;
467 	struct edp_link_params link_params[16];
468 } __attribute__ ((packed));
469 
470 void intel_setup_bios(struct drm_device *dev);
471 bool intel_parse_bios(struct drm_device *dev);
472 
473 /*
474  * Driver<->VBIOS interaction occurs through scratch bits in
475  * GR18 & SWF*.
476  */
477 
478 /* GR18 bits are set on display switch and hotkey events */
479 #define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
480 #define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
481 #define   GR18_HK_NONE		(0x0<<3)
482 #define   GR18_HK_LFP_STRETCH	(0x1<<3)
483 #define   GR18_HK_TOGGLE_DISP	(0x2<<3)
484 #define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
485 #define   GR18_HK_POPUP_DISABLED (0x6<<3)
486 #define   GR18_HK_POPUP_ENABLED	(0x7<<3)
487 #define   GR18_HK_PFIT		(0x8<<3)
488 #define   GR18_HK_APM_CHANGE	(0xa<<3)
489 #define   GR18_HK_MULTIPLE	(0xc<<3)
490 #define GR18_USER_INT_EN	(1<<2)
491 #define GR18_A0000_FLUSH_EN	(1<<1)
492 #define GR18_SMM_EN		(1<<0)
493 
494 /* Set by driver, cleared by VBIOS */
495 #define SWF00_YRES_SHIFT	16
496 #define SWF00_XRES_SHIFT	0
497 #define SWF00_RES_MASK		0xffff
498 
499 /* Set by VBIOS at boot time and driver at runtime */
500 #define SWF01_TV2_FORMAT_SHIFT	8
501 #define SWF01_TV1_FORMAT_SHIFT	0
502 #define SWF01_TV_FORMAT_MASK	0xffff
503 
504 #define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
505 #define SWF10_GTT_OVERRIDE_EN	(1<<28)
506 #define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
507 #define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
508 #define   SWF10_OLD_TOGGLE	0x0
509 #define   SWF10_TOGGLE_LIST_1	0x1
510 #define   SWF10_TOGGLE_LIST_2	0x2
511 #define   SWF10_TOGGLE_LIST_3	0x3
512 #define   SWF10_TOGGLE_LIST_4	0x4
513 #define SWF10_PANNING_EN	(1<<23)
514 #define SWF10_DRIVER_LOADED	(1<<22)
515 #define SWF10_EXTENDED_DESKTOP	(1<<21)
516 #define SWF10_EXCLUSIVE_MODE	(1<<20)
517 #define SWF10_OVERLAY_EN	(1<<19)
518 #define SWF10_PLANEB_HOLDOFF	(1<<18)
519 #define SWF10_PLANEA_HOLDOFF	(1<<17)
520 #define SWF10_VGA_HOLDOFF	(1<<16)
521 #define SWF10_ACTIVE_DISP_MASK	0xffff
522 #define   SWF10_PIPEB_LFP2	(1<<15)
523 #define   SWF10_PIPEB_EFP2	(1<<14)
524 #define   SWF10_PIPEB_TV2	(1<<13)
525 #define   SWF10_PIPEB_CRT2	(1<<12)
526 #define   SWF10_PIPEB_LFP	(1<<11)
527 #define   SWF10_PIPEB_EFP	(1<<10)
528 #define   SWF10_PIPEB_TV	(1<<9)
529 #define   SWF10_PIPEB_CRT	(1<<8)
530 #define   SWF10_PIPEA_LFP2	(1<<7)
531 #define   SWF10_PIPEA_EFP2	(1<<6)
532 #define   SWF10_PIPEA_TV2	(1<<5)
533 #define   SWF10_PIPEA_CRT2	(1<<4)
534 #define   SWF10_PIPEA_LFP	(1<<3)
535 #define   SWF10_PIPEA_EFP	(1<<2)
536 #define   SWF10_PIPEA_TV	(1<<1)
537 #define   SWF10_PIPEA_CRT	(1<<0)
538 
539 #define SWF11_MEMORY_SIZE_SHIFT	16
540 #define SWF11_SV_TEST_EN	(1<<15)
541 #define SWF11_IS_AGP		(1<<14)
542 #define SWF11_DISPLAY_HOLDOFF	(1<<13)
543 #define SWF11_DPMS_REDUCED	(1<<12)
544 #define SWF11_IS_VBE_MODE	(1<<11)
545 #define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
546 #define SWF11_DPMS_MASK		0x07
547 #define   SWF11_DPMS_OFF	(1<<2)
548 #define   SWF11_DPMS_SUSPEND	(1<<1)
549 #define   SWF11_DPMS_STANDBY	(1<<0)
550 #define   SWF11_DPMS_ON		0
551 
552 #define SWF14_GFX_PFIT_EN	(1<<31)
553 #define SWF14_TEXT_PFIT_EN	(1<<30)
554 #define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
555 #define SWF14_POPUP_EN		(1<<28)
556 #define SWF14_DISPLAY_HOLDOFF	(1<<27)
557 #define SWF14_DISP_DETECT_EN	(1<<26)
558 #define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
559 #define SWF14_DRIVER_STATUS	(1<<24)
560 #define SWF14_OS_TYPE_WIN9X	(1<<23)
561 #define SWF14_OS_TYPE_WINNT	(1<<22)
562 /* 21:19 rsvd */
563 #define SWF14_PM_TYPE_MASK	0x00070000
564 #define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
565 #define   SWF14_PM_ACPI		(0x3 << 16)
566 #define   SWF14_PM_APM_12	(0x2 << 16)
567 #define   SWF14_PM_APM_11	(0x1 << 16)
568 #define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
569           /* if GR18 indicates a display switch */
570 #define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
571 #define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
572 #define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
573 #define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
574 #define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
575 #define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
576 #define   SWF14_DS_PIPEB_TV_EN   (1<<9)
577 #define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
578 #define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
579 #define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
580 #define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
581 #define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
582 #define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
583 #define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
584 #define   SWF14_DS_PIPEA_TV_EN   (1<<1)
585 #define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
586           /* if GR18 indicates a panel fitting request */
587 #define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
588           /* if GR18 indicates an APM change request */
589 #define   SWF14_APM_HIBERNATE	0x4
590 #define   SWF14_APM_SUSPEND	0x3
591 #define   SWF14_APM_STANDBY	0x1
592 #define   SWF14_APM_RESTORE	0x0
593 
594 /* Add the device class for LFP, TV, HDMI */
595 #define	 DEVICE_TYPE_INT_LFP	0x1022
596 #define	 DEVICE_TYPE_INT_TV	0x1009
597 #define	 DEVICE_TYPE_HDMI	0x60D2
598 #define	 DEVICE_TYPE_DP		0x68C6
599 #define	 DEVICE_TYPE_eDP	0x78C6
600 
601 /* define the DVO port for HDMI output type */
602 #define		DVO_B		1
603 #define		DVO_C		2
604 #define		DVO_D		3
605 
606 /* define the PORT for DP output type */
607 #define		PORT_IDPB	7
608 #define		PORT_IDPC	8
609 #define		PORT_IDPD	9
610 
611 #endif /* _I830_BIOS_H_ */
612