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 * $FreeBSD$
27 */
28
29#ifndef _I830_BIOS_H_
30#define _I830_BIOS_H_
31
32#include <dev/drm2/drmP.h>
33
34struct vbt_header {
35	u8 signature[20];		/**< Always starts with 'VBT$' */
36	u16 version;			/**< decimal */
37	u16 header_size;		/**< in bytes */
38	u16 vbt_size;			/**< in bytes */
39	u8 vbt_checksum;
40	u8 reserved0;
41	u32 bdb_offset;			/**< from beginning of VBT */
42	u32 aim_offset[4];		/**< from beginning of VBT */
43} __attribute__((packed));
44
45struct bdb_header {
46	u8 signature[16];		/**< Always 'BIOS_DATA_BLOCK' */
47	u16 version;			/**< decimal */
48	u16 header_size;		/**< in bytes */
49	u16 bdb_size;			/**< in bytes */
50};
51
52/* strictly speaking, this is a "skip" block, but it has interesting info */
53struct vbios_data {
54	u8 type; /* 0 == desktop, 1 == mobile */
55	u8 relstage;
56	u8 chipset;
57	u8 lvds_present:1;
58	u8 tv_present:1;
59	u8 rsvd2:6; /* finish byte */
60	u8 rsvd3[4];
61	u8 signon[155];
62	u8 copyright[61];
63	u16 code_segment;
64	u8 dos_boot_mode;
65	u8 bandwidth_percent;
66	u8 rsvd4; /* popup memory size */
67	u8 resize_pci_bios;
68	u8 rsvd5; /* is crt already on ddc2 */
69} __attribute__((packed));
70
71/*
72 * There are several types of BIOS data blocks (BDBs), each block has
73 * an ID and size in the first 3 bytes (ID in first, size in next 2).
74 * Known types are listed below.
75 */
76#define BDB_GENERAL_FEATURES	  1
77#define BDB_GENERAL_DEFINITIONS	  2
78#define BDB_OLD_TOGGLE_LIST	  3
79#define BDB_MODE_SUPPORT_LIST	  4
80#define BDB_GENERIC_MODE_TABLE	  5
81#define BDB_EXT_MMIO_REGS	  6
82#define BDB_SWF_IO		  7
83#define BDB_SWF_MMIO		  8
84#define BDB_DOT_CLOCK_TABLE	  9
85#define BDB_MODE_REMOVAL_TABLE	 10
86#define BDB_CHILD_DEVICE_TABLE	 11
87#define BDB_DRIVER_FEATURES	 12
88#define BDB_DRIVER_PERSISTENCE	 13
89#define BDB_EXT_TABLE_PTRS	 14
90#define BDB_DOT_CLOCK_OVERRIDE	 15
91#define BDB_DISPLAY_SELECT	 16
92/* 17 rsvd */
93#define BDB_DRIVER_ROTATION	 18
94#define BDB_DISPLAY_REMOVE	 19
95#define BDB_OEM_CUSTOM		 20
96#define BDB_EFP_LIST		 21 /* workarounds for VGA hsync/vsync */
97#define BDB_SDVO_LVDS_OPTIONS	 22
98#define BDB_SDVO_PANEL_DTDS	 23
99#define BDB_SDVO_LVDS_PNP_IDS	 24
100#define BDB_SDVO_LVDS_POWER_SEQ	 25
101#define BDB_TV_OPTIONS		 26
102#define BDB_EDP			 27
103#define BDB_LVDS_OPTIONS	 40
104#define BDB_LVDS_LFP_DATA_PTRS	 41
105#define BDB_LVDS_LFP_DATA	 42
106#define BDB_LVDS_BACKLIGHT	 43
107#define BDB_LVDS_POWER		 44
108#define BDB_SKIP		254 /* VBIOS private block, ignore */
109
110struct bdb_general_features {
111        /* bits 1 */
112	u8 panel_fitting:2;
113	u8 flexaim:1;
114	u8 msg_enable:1;
115	u8 clear_screen:3;
116	u8 color_flip:1;
117
118        /* bits 2 */
119	u8 download_ext_vbt:1;
120	u8 enable_ssc:1;
121	u8 ssc_freq:1;
122	u8 enable_lfp_on_override:1;
123	u8 disable_ssc_ddt:1;
124	u8 rsvd7:1;
125	u8 display_clock_mode:1;
126	u8 rsvd8:1; /* finish byte */
127
128        /* bits 3 */
129	u8 disable_smooth_vision:1;
130	u8 single_dvi:1;
131	u8 rsvd9:6; /* finish byte */
132
133        /* bits 4 */
134	u8 legacy_monitor_detect;
135
136        /* bits 5 */
137	u8 int_crt_support:1;
138	u8 int_tv_support:1;
139	u8 int_efp_support:1;
140	u8 dp_ssc_enb:1;	/* PCH attached eDP supports SSC */
141	u8 dp_ssc_freq:1;	/* SSC freq for PCH attached eDP */
142	u8 rsvd11:3; /* finish byte */
143} __attribute__((packed));
144
145/* pre-915 */
146#define GPIO_PIN_DVI_LVDS	0x03 /* "DVI/LVDS DDC GPIO pins" */
147#define GPIO_PIN_ADD_I2C	0x05 /* "ADDCARD I2C GPIO pins" */
148#define GPIO_PIN_ADD_DDC	0x04 /* "ADDCARD DDC GPIO pins" */
149#define GPIO_PIN_ADD_DDC_I2C	0x06 /* "ADDCARD DDC/I2C GPIO pins" */
150
151/* Pre 915 */
152#define DEVICE_TYPE_NONE	0x00
153#define DEVICE_TYPE_CRT		0x01
154#define DEVICE_TYPE_TV		0x09
155#define DEVICE_TYPE_EFP		0x12
156#define DEVICE_TYPE_LFP		0x22
157/* On 915+ */
158#define DEVICE_TYPE_CRT_DPMS		0x6001
159#define DEVICE_TYPE_CRT_DPMS_HOTPLUG	0x4001
160#define DEVICE_TYPE_TV_COMPOSITE	0x0209
161#define DEVICE_TYPE_TV_MACROVISION	0x0289
162#define DEVICE_TYPE_TV_RF_COMPOSITE	0x020c
163#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE	0x0609
164#define DEVICE_TYPE_TV_SCART		0x0209
165#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
166#define DEVICE_TYPE_EFP_HOTPLUG_PWR	0x6012
167#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR	0x6052
168#define DEVICE_TYPE_EFP_DVI_I		0x6053
169#define DEVICE_TYPE_EFP_DVI_D_DUAL	0x6152
170#define DEVICE_TYPE_EFP_DVI_D_HDCP	0x60d2
171#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR	0x6062
172#define DEVICE_TYPE_OPENLDI_DUALPIX	0x6162
173#define DEVICE_TYPE_LFP_PANELLINK	0x5012
174#define DEVICE_TYPE_LFP_CMOS_PWR	0x5042
175#define DEVICE_TYPE_LFP_LVDS_PWR	0x5062
176#define DEVICE_TYPE_LFP_LVDS_DUAL	0x5162
177#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP	0x51e2
178
179#define DEVICE_CFG_NONE		0x00
180#define DEVICE_CFG_12BIT_DVOB	0x01
181#define DEVICE_CFG_12BIT_DVOC	0x02
182#define DEVICE_CFG_24BIT_DVOBC	0x09
183#define DEVICE_CFG_24BIT_DVOCB	0x0a
184#define DEVICE_CFG_DUAL_DVOB	0x11
185#define DEVICE_CFG_DUAL_DVOC	0x12
186#define DEVICE_CFG_DUAL_DVOBC	0x13
187#define DEVICE_CFG_DUAL_LINK_DVOBC	0x19
188#define DEVICE_CFG_DUAL_LINK_DVOCB	0x1a
189
190#define DEVICE_WIRE_NONE	0x00
191#define DEVICE_WIRE_DVOB	0x01
192#define DEVICE_WIRE_DVOC	0x02
193#define DEVICE_WIRE_DVOBC	0x03
194#define DEVICE_WIRE_DVOBB	0x05
195#define DEVICE_WIRE_DVOCC	0x06
196#define DEVICE_WIRE_DVOB_MASTER 0x0d
197#define DEVICE_WIRE_DVOC_MASTER 0x0e
198
199#define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
200#define DEVICE_PORT_DVOB	0x01
201#define DEVICE_PORT_DVOC	0x02
202
203struct child_device_config {
204	u16 handle;
205	u16 device_type;
206	u8  device_id[10]; /* ascii string */
207	u16 addin_offset;
208	u8  dvo_port; /* See Device_PORT_* above */
209	u8  i2c_pin;
210	u8  slave_addr;
211	u8  ddc_pin;
212	u16 edid_ptr;
213	u8  dvo_cfg; /* See DEVICE_CFG_* above */
214	u8  dvo2_port;
215	u8  i2c2_pin;
216	u8  slave2_addr;
217	u8  ddc2_pin;
218	u8  capabilities;
219	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
220	u8  dvo2_wiring;
221	u16 extended_type;
222	u8  dvo_function;
223} __attribute__((packed));
224
225struct bdb_general_definitions {
226	/* DDC GPIO */
227	u8 crt_ddc_gmbus_pin;
228
229	/* DPMS bits */
230	u8 dpms_acpi:1;
231	u8 skip_boot_crt_detect:1;
232	u8 dpms_aim:1;
233	u8 rsvd1:5; /* finish byte */
234
235	/* boot device bits */
236	u8 boot_display[2];
237	u8 child_dev_size;
238
239	/*
240	 * Device info:
241	 * If TV is present, it'll be at devices[0].
242	 * LVDS will be next, either devices[0] or [1], if present.
243	 * On some platforms the number of device is 6. But could be as few as
244	 * 4 if both TV and LVDS are missing.
245	 * And the device num is related with the size of general definition
246	 * block. It is obtained by using the following formula:
247	 * number = (block_size - sizeof(bdb_general_definitions))/
248	 *	     sizeof(child_device_config);
249	 */
250	struct child_device_config devices[0];
251} __attribute__((packed));
252
253struct bdb_lvds_options {
254	u8 panel_type;
255	u8 rsvd1;
256	/* LVDS capabilities, stored in a dword */
257	u8 pfit_mode:2;
258	u8 pfit_text_mode_enhanced:1;
259	u8 pfit_gfx_mode_enhanced:1;
260	u8 pfit_ratio_auto:1;
261	u8 pixel_dither:1;
262	u8 lvds_edid:1;
263	u8 rsvd2:1;
264	u8 rsvd4;
265} __attribute__((packed));
266
267/* LFP pointer table contains entries to the struct below */
268struct bdb_lvds_lfp_data_ptr {
269	u16 fp_timing_offset; /* offsets are from start of bdb */
270	u8 fp_table_size;
271	u16 dvo_timing_offset;
272	u8 dvo_table_size;
273	u16 panel_pnp_id_offset;
274	u8 pnp_table_size;
275} __attribute__((packed));
276
277struct bdb_lvds_lfp_data_ptrs {
278	u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
279	struct bdb_lvds_lfp_data_ptr ptr[16];
280} __attribute__((packed));
281
282/* LFP data has 3 blocks per entry */
283struct lvds_fp_timing {
284	u16 x_res;
285	u16 y_res;
286	u32 lvds_reg;
287	u32 lvds_reg_val;
288	u32 pp_on_reg;
289	u32 pp_on_reg_val;
290	u32 pp_off_reg;
291	u32 pp_off_reg_val;
292	u32 pp_cycle_reg;
293	u32 pp_cycle_reg_val;
294	u32 pfit_reg;
295	u32 pfit_reg_val;
296	u16 terminator;
297} __attribute__((packed));
298
299struct lvds_dvo_timing {
300	u16 clock;		/**< In 10khz */
301	u8 hactive_lo;
302	u8 hblank_lo;
303	u8 hblank_hi:4;
304	u8 hactive_hi:4;
305	u8 vactive_lo;
306	u8 vblank_lo;
307	u8 vblank_hi:4;
308	u8 vactive_hi:4;
309	u8 hsync_off_lo;
310	u8 hsync_pulse_width;
311	u8 vsync_pulse_width:4;
312	u8 vsync_off:4;
313	u8 rsvd0:6;
314	u8 hsync_off_hi:2;
315	u8 h_image;
316	u8 v_image;
317	u8 max_hv;
318	u8 h_border;
319	u8 v_border;
320	u8 rsvd1:3;
321	u8 digital:2;
322	u8 vsync_positive:1;
323	u8 hsync_positive:1;
324	u8 rsvd2:1;
325} __attribute__((packed));
326
327struct lvds_pnp_id {
328	u16 mfg_name;
329	u16 product_code;
330	u32 serial;
331	u8 mfg_week;
332	u8 mfg_year;
333} __attribute__((packed));
334
335struct bdb_lvds_lfp_data_entry {
336	struct lvds_fp_timing fp_timing;
337	struct lvds_dvo_timing dvo_timing;
338	struct lvds_pnp_id pnp_id;
339} __attribute__((packed));
340
341struct bdb_lvds_lfp_data {
342	struct bdb_lvds_lfp_data_entry data[16];
343} __attribute__((packed));
344
345struct aimdb_header {
346	char signature[16];
347	char oem_device[20];
348	u16 aimdb_version;
349	u16 aimdb_header_size;
350	u16 aimdb_size;
351} __attribute__((packed));
352
353struct aimdb_block {
354	u8 aimdb_id;
355	u16 aimdb_size;
356} __attribute__((packed));
357
358struct vch_panel_data {
359	u16 fp_timing_offset;
360	u8 fp_timing_size;
361	u16 dvo_timing_offset;
362	u8 dvo_timing_size;
363	u16 text_fitting_offset;
364	u8 text_fitting_size;
365	u16 graphics_fitting_offset;
366	u8 graphics_fitting_size;
367} __attribute__((packed));
368
369struct vch_bdb_22 {
370	struct aimdb_block aimdb_block;
371	struct vch_panel_data panels[16];
372} __attribute__((packed));
373
374struct bdb_sdvo_lvds_options {
375	u8 panel_backlight;
376	u8 h40_set_panel_type;
377	u8 panel_type;
378	u8 ssc_clk_freq;
379	u16 als_low_trip;
380	u16 als_high_trip;
381	u8 sclalarcoeff_tab_row_num;
382	u8 sclalarcoeff_tab_row_size;
383	u8 coefficient[8];
384	u8 panel_misc_bits_1;
385	u8 panel_misc_bits_2;
386	u8 panel_misc_bits_3;
387	u8 panel_misc_bits_4;
388} __attribute__((packed));
389
390
391#define BDB_DRIVER_FEATURE_NO_LVDS		0
392#define BDB_DRIVER_FEATURE_INT_LVDS		1
393#define BDB_DRIVER_FEATURE_SDVO_LVDS		2
394#define BDB_DRIVER_FEATURE_EDP			3
395
396struct bdb_driver_features {
397	u8 boot_dev_algorithm:1;
398	u8 block_display_switch:1;
399	u8 allow_display_switch:1;
400	u8 hotplug_dvo:1;
401	u8 dual_view_zoom:1;
402	u8 int15h_hook:1;
403	u8 sprite_in_clone:1;
404	u8 primary_lfp_id:1;
405
406	u16 boot_mode_x;
407	u16 boot_mode_y;
408	u8 boot_mode_bpp;
409	u8 boot_mode_refresh;
410
411	u16 enable_lfp_primary:1;
412	u16 selective_mode_pruning:1;
413	u16 dual_frequency:1;
414	u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
415	u16 nt_clone_support:1;
416	u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
417	u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
418	u16 cui_aspect_scaling:1;
419	u16 preserve_aspect_ratio:1;
420	u16 sdvo_device_power_down:1;
421	u16 crt_hotplug:1;
422	u16 lvds_config:2;
423	u16 tv_hotplug:1;
424	u16 hdmi_config:2;
425
426	u8 static_display:1;
427	u8 reserved2:7;
428	u16 legacy_crt_max_x;
429	u16 legacy_crt_max_y;
430	u8 legacy_crt_max_refresh;
431
432	u8 hdmi_termination;
433	u8 custom_vbt_version;
434} __attribute__((packed));
435
436#define EDP_18BPP	0
437#define EDP_24BPP	1
438#define EDP_30BPP	2
439#define EDP_RATE_1_62	0
440#define EDP_RATE_2_7	1
441#define EDP_LANE_1	0
442#define EDP_LANE_2	1
443#define EDP_LANE_4	3
444#define EDP_PREEMPHASIS_NONE	0
445#define EDP_PREEMPHASIS_3_5dB	1
446#define EDP_PREEMPHASIS_6dB	2
447#define EDP_PREEMPHASIS_9_5dB	3
448#define EDP_VSWING_0_4V		0
449#define EDP_VSWING_0_6V		1
450#define EDP_VSWING_0_8V		2
451#define EDP_VSWING_1_2V		3
452
453struct edp_power_seq {
454	u16 t1_t3;
455	u16 t8;
456	u16 t9;
457	u16 t10;
458	u16 t11_t12;
459} __attribute__ ((packed));
460
461struct edp_link_params {
462	u8 rate:4;
463	u8 lanes:4;
464	u8 preemphasis:4;
465	u8 vswing:4;
466} __attribute__ ((packed));
467
468struct bdb_edp {
469	struct edp_power_seq power_seqs[16];
470	u32 color_depth;
471	struct edp_link_params link_params[16];
472	u32 sdrrs_msa_timing_delay;
473
474	/* ith bit indicates enabled/disabled for (i+1)th panel */
475	u16 edp_s3d_feature;
476	u16 edp_t3_optimization;
477} __attribute__ ((packed));
478
479void intel_setup_bios(struct drm_device *dev);
480bool intel_parse_bios(struct drm_device *dev);
481
482/*
483 * Driver<->VBIOS interaction occurs through scratch bits in
484 * GR18 & SWF*.
485 */
486
487/* GR18 bits are set on display switch and hotkey events */
488#define GR18_DRIVER_SWITCH_EN	(1<<7) /* 0: VBIOS control, 1: driver control */
489#define GR18_HOTKEY_MASK	0x78 /* See also SWF4 15:0 */
490#define   GR18_HK_NONE		(0x0<<3)
491#define   GR18_HK_LFP_STRETCH	(0x1<<3)
492#define   GR18_HK_TOGGLE_DISP	(0x2<<3)
493#define   GR18_HK_DISP_SWITCH	(0x4<<3) /* see SWF14 15:0 for what to enable */
494#define   GR18_HK_POPUP_DISABLED (0x6<<3)
495#define   GR18_HK_POPUP_ENABLED	(0x7<<3)
496#define   GR18_HK_PFIT		(0x8<<3)
497#define   GR18_HK_APM_CHANGE	(0xa<<3)
498#define   GR18_HK_MULTIPLE	(0xc<<3)
499#define GR18_USER_INT_EN	(1<<2)
500#define GR18_A0000_FLUSH_EN	(1<<1)
501#define GR18_SMM_EN		(1<<0)
502
503/* Set by driver, cleared by VBIOS */
504#define SWF00_YRES_SHIFT	16
505#define SWF00_XRES_SHIFT	0
506#define SWF00_RES_MASK		0xffff
507
508/* Set by VBIOS at boot time and driver at runtime */
509#define SWF01_TV2_FORMAT_SHIFT	8
510#define SWF01_TV1_FORMAT_SHIFT	0
511#define SWF01_TV_FORMAT_MASK	0xffff
512
513#define SWF10_VBIOS_BLC_I2C_EN	(1<<29)
514#define SWF10_GTT_OVERRIDE_EN	(1<<28)
515#define SWF10_LFP_DPMS_OVR	(1<<27) /* override DPMS on display switch */
516#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
517#define   SWF10_OLD_TOGGLE	0x0
518#define   SWF10_TOGGLE_LIST_1	0x1
519#define   SWF10_TOGGLE_LIST_2	0x2
520#define   SWF10_TOGGLE_LIST_3	0x3
521#define   SWF10_TOGGLE_LIST_4	0x4
522#define SWF10_PANNING_EN	(1<<23)
523#define SWF10_DRIVER_LOADED	(1<<22)
524#define SWF10_EXTENDED_DESKTOP	(1<<21)
525#define SWF10_EXCLUSIVE_MODE	(1<<20)
526#define SWF10_OVERLAY_EN	(1<<19)
527#define SWF10_PLANEB_HOLDOFF	(1<<18)
528#define SWF10_PLANEA_HOLDOFF	(1<<17)
529#define SWF10_VGA_HOLDOFF	(1<<16)
530#define SWF10_ACTIVE_DISP_MASK	0xffff
531#define   SWF10_PIPEB_LFP2	(1<<15)
532#define   SWF10_PIPEB_EFP2	(1<<14)
533#define   SWF10_PIPEB_TV2	(1<<13)
534#define   SWF10_PIPEB_CRT2	(1<<12)
535#define   SWF10_PIPEB_LFP	(1<<11)
536#define   SWF10_PIPEB_EFP	(1<<10)
537#define   SWF10_PIPEB_TV	(1<<9)
538#define   SWF10_PIPEB_CRT	(1<<8)
539#define   SWF10_PIPEA_LFP2	(1<<7)
540#define   SWF10_PIPEA_EFP2	(1<<6)
541#define   SWF10_PIPEA_TV2	(1<<5)
542#define   SWF10_PIPEA_CRT2	(1<<4)
543#define   SWF10_PIPEA_LFP	(1<<3)
544#define   SWF10_PIPEA_EFP	(1<<2)
545#define   SWF10_PIPEA_TV	(1<<1)
546#define   SWF10_PIPEA_CRT	(1<<0)
547
548#define SWF11_MEMORY_SIZE_SHIFT	16
549#define SWF11_SV_TEST_EN	(1<<15)
550#define SWF11_IS_AGP		(1<<14)
551#define SWF11_DISPLAY_HOLDOFF	(1<<13)
552#define SWF11_DPMS_REDUCED	(1<<12)
553#define SWF11_IS_VBE_MODE	(1<<11)
554#define SWF11_PIPEB_ACCESS	(1<<10) /* 0 here means pipe a */
555#define SWF11_DPMS_MASK		0x07
556#define   SWF11_DPMS_OFF	(1<<2)
557#define   SWF11_DPMS_SUSPEND	(1<<1)
558#define   SWF11_DPMS_STANDBY	(1<<0)
559#define   SWF11_DPMS_ON		0
560
561#define SWF14_GFX_PFIT_EN	(1<<31)
562#define SWF14_TEXT_PFIT_EN	(1<<30)
563#define SWF14_LID_STATUS_CLOSED	(1<<29) /* 0 here means open */
564#define SWF14_POPUP_EN		(1<<28)
565#define SWF14_DISPLAY_HOLDOFF	(1<<27)
566#define SWF14_DISP_DETECT_EN	(1<<26)
567#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
568#define SWF14_DRIVER_STATUS	(1<<24)
569#define SWF14_OS_TYPE_WIN9X	(1<<23)
570#define SWF14_OS_TYPE_WINNT	(1<<22)
571/* 21:19 rsvd */
572#define SWF14_PM_TYPE_MASK	0x00070000
573#define   SWF14_PM_ACPI_VIDEO	(0x4 << 16)
574#define   SWF14_PM_ACPI		(0x3 << 16)
575#define   SWF14_PM_APM_12	(0x2 << 16)
576#define   SWF14_PM_APM_11	(0x1 << 16)
577#define SWF14_HK_REQUEST_MASK	0x0000ffff /* see GR18 6:3 for event type */
578          /* if GR18 indicates a display switch */
579#define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
580#define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
581#define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
582#define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
583#define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
584#define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
585#define   SWF14_DS_PIPEB_TV_EN   (1<<9)
586#define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
587#define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
588#define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
589#define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
590#define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
591#define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
592#define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
593#define   SWF14_DS_PIPEA_TV_EN   (1<<1)
594#define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
595          /* if GR18 indicates a panel fitting request */
596#define   SWF14_PFIT_EN		(1<<0) /* 0 means disable */
597          /* if GR18 indicates an APM change request */
598#define   SWF14_APM_HIBERNATE	0x4
599#define   SWF14_APM_SUSPEND	0x3
600#define   SWF14_APM_STANDBY	0x1
601#define   SWF14_APM_RESTORE	0x0
602
603/* Add the device class for LFP, TV, HDMI */
604#define	 DEVICE_TYPE_INT_LFP	0x1022
605#define	 DEVICE_TYPE_INT_TV	0x1009
606#define	 DEVICE_TYPE_HDMI	0x60D2
607#define	 DEVICE_TYPE_DP		0x68C6
608#define	 DEVICE_TYPE_eDP	0x78C6
609
610/* define the DVO port for HDMI output type */
611#define		DVO_B		1
612#define		DVO_C		2
613#define		DVO_D		3
614
615/* define the PORT for DP output type */
616#define		PORT_IDPB	7
617#define		PORT_IDPC	8
618#define		PORT_IDPD	9
619
620#endif /* _I830_BIOS_H_ */
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