1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
* Copyright © 2006 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
#ifndef _I830_BIOS_H_
#define _I830_BIOS_H_
#include <stdint.h>
#include <xf86str.h>
struct vbt_header {
char signature[20]; /**< Always starts with 'VBT$' */
uint16_t version; /**< decimal */
uint16_t header_size; /**< in bytes */
uint16_t vbt_size; /**< in bytes */
uint8_t vbt_checksum;
uint8_t reserved0;
uint32_t bdb_offset; /**< from beginning of VBT */
uint32_t aim_offset[4]; /**< from beginning of VBT */
} __attribute__((packed));
struct bdb_header {
char signature[16]; /**< Always 'BIOS_DATA_BLOCK' */
uint16_t version; /**< decimal */
uint16_t header_size; /**< in bytes */
uint16_t bdb_size; /**< in bytes */
} __attribute__((packed));
#define LVDS_CAP_EDID (1 << 6)
#define LVDS_CAP_DITHER (1 << 5)
#define LVDS_CAP_PFIT_AUTO_RATIO (1 << 4)
#define LVDS_CAP_PFIT_GRAPHICS_MODE (1 << 3)
#define LVDS_CAP_PFIT_TEXT_MODE (1 << 2)
#define LVDS_CAP_PFIT_GRAPHICS (1 << 1)
#define LVDS_CAP_PFIT_TEXT (1 << 0)
struct lvds_bdb_1 {
uint8_t id; /**< 40 */
uint16_t size;
uint8_t panel_type;
uint8_t reserved0;
uint16_t caps;
} __attribute__((packed));
struct lvds_bdb_2_fp_params {
uint16_t x_res;
uint16_t y_res;
uint32_t lvds_reg;
uint32_t lvds_reg_val;
uint32_t pp_on_reg;
uint32_t pp_on_reg_val;
uint32_t pp_off_reg;
uint32_t pp_off_reg_val;
uint32_t pp_cycle_reg;
uint32_t pp_cycle_reg_val;
uint32_t pfit_reg;
uint32_t pfit_reg_val;
uint16_t terminator;
} __attribute__((packed));
struct lvds_bdb_2_fp_edid_dtd {
uint16_t dclk; /**< In 10khz */
uint8_t hactive;
uint8_t hblank;
uint8_t high_h; /**< 7:4 = hactive 11:8, 3:0 = hblank 11:8 */
uint8_t vactive;
uint8_t vblank;
uint8_t high_v; /**< 7:4 = vactive 11:8, 3:0 = vblank 11:8 */
uint8_t hsync_off;
uint8_t hsync_pulse_width;
uint8_t vsync_off;
uint8_t high_hsync_off; /**< 7:6 = hsync off 9:8 */
uint8_t h_image;
uint8_t v_image;
uint8_t max_hv;
uint8_t h_border;
uint8_t v_border;
uint8_t flags;
#define FP_EDID_FLAG_VSYNC_POSITIVE (1 << 2)
#define FP_EDID_FLAG_HSYNC_POSITIVE (1 << 1)
} __attribute__((packed));
struct lvds_bdb_2_entry {
uint16_t fp_params_offset; /**< From beginning of BDB */
uint8_t fp_params_size;
uint16_t fp_edid_dtd_offset;
uint8_t fp_edid_dtd_size;
uint16_t fp_edid_pid_offset;
uint8_t fp_edid_pid_size;
} __attribute__((packed));
struct lvds_bdb_2 {
uint8_t id; /**< 41 */
uint16_t size;
uint8_t table_size; /* not sure on this one */
struct lvds_bdb_2_entry panels[16];
} __attribute__((packed));
struct aimdb_header {
char signature[16];
char oem_device[20];
uint16_t aimdb_version;
uint16_t aimdb_header_size;
uint16_t aimdb_size;
} __attribute__((packed));
struct aimdb_block {
uint8_t aimdb_id;
uint16_t aimdb_size;
} __attribute__((packed));
struct vch_panel_data {
uint16_t fp_timing_offset;
uint8_t fp_timing_size;
uint16_t dvo_timing_offset;
uint8_t dvo_timing_size;
uint16_t text_fitting_offset;
uint8_t text_fitting_size;
uint16_t graphics_fitting_offset;
uint8_t graphics_fitting_size;
} __attribute__((packed));
struct vch_bdb_22 {
struct aimdb_block aimdb_block;
struct vch_panel_data panels[16];
} __attribute__((packed));
unsigned char *
i830_bios_get (ScrnInfoPtr pScrn);
DisplayModePtr i830_bios_get_panel_mode(ScrnInfoPtr pScrn, Bool *wants_dither);
unsigned char *
i830_bios_get_aim_data_block (ScrnInfoPtr pScrn, int aim, int data_block);
#endif /* _I830_BIOS_H_ */
|
