1
2 #ifndef _UVESAFB_H
3 #define _UVESAFB_H
4
5 #include <uapi/video/uvesafb.h>
6
7
8
9 struct vbe_crtc_ib {
10 u16 horiz_total;
11 u16 horiz_start;
12 u16 horiz_end;
13 u16 vert_total;
14 u16 vert_start;
15 u16 vert_end;
16 u8 flags;
17 u32 pixel_clock;
18 u16 refresh_rate;
19 u8 reserved[40];
20 } __attribute__ ((packed));
21
22 #define VBE_MODE_VGACOMPAT 0x20
23 #define VBE_MODE_COLOR 0x08
24 #define VBE_MODE_SUPPORTEDHW 0x01
25 #define VBE_MODE_GRAPHICS 0x10
26 #define VBE_MODE_LFB 0x80
27
28 #define VBE_MODE_MASK (VBE_MODE_COLOR | VBE_MODE_SUPPORTEDHW | \
29 VBE_MODE_GRAPHICS | VBE_MODE_LFB)
30
31
32 struct vbe_mode_ib {
33
34 u16 mode_attr;
35 u8 winA_attr;
36 u8 winB_attr;
37 u16 win_granularity;
38 u16 win_size;
39 u16 winA_seg;
40 u16 winB_seg;
41 u32 win_func_ptr;
42 u16 bytes_per_scan_line;
43
44
45 u16 x_res;
46 u16 y_res;
47 u8 x_char_size;
48 u8 y_char_size;
49 u8 planes;
50 u8 bits_per_pixel;
51 u8 banks;
52 u8 memory_model;
53 u8 bank_size;
54 u8 image_pages;
55 u8 reserved1;
56
57
58
59 u8 red_len;
60 u8 red_off;
61 u8 green_len;
62 u8 green_off;
63 u8 blue_len;
64 u8 blue_off;
65 u8 rsvd_len;
66 u8 rsvd_off;
67 u8 direct_color_info;
68
69
70 u32 phys_base_ptr;
71 u8 reserved2[6];
72
73
74 u16 lin_bytes_per_scan_line;
75 u8 bnk_image_pages;
76 u8 lin_image_pages;
77 u8 lin_red_len;
78 u8 lin_red_off;
79 u8 lin_green_len;
80 u8 lin_green_off;
81 u8 lin_blue_len;
82 u8 lin_blue_off;
83 u8 lin_rsvd_len;
84 u8 lin_rsvd_off;
85 u32 max_pixel_clock;
86 u16 mode_id;
87 u8 depth;
88 } __attribute__ ((packed));
89
90 #define UVESAFB_DEFAULT_MODE "640x480-16"
91
92
93 #define UVESAFB_TIMEOUT 5000
94
95
96 #define UVESAFB_TASKS_MAX 16
97
98 #define dac_reg (0x3c8)
99 #define dac_val (0x3c9)
100
101 struct uvesafb_pal_entry {
102 u_char blue, green, red, pad;
103 } __attribute__ ((packed));
104
105 struct uvesafb_ktask {
106 struct uvesafb_task t;
107 void *buf;
108 struct completion *done;
109 u32 ack;
110 };
111
112 static int uvesafb_exec(struct uvesafb_ktask *tsk);
113
114 #define UVESAFB_EXACT_RES 1
115 #define UVESAFB_EXACT_DEPTH 2
116
117 struct uvesafb_par {
118 struct vbe_ib vbe_ib;
119 struct vbe_mode_ib *vbe_modes;
120 int vbe_modes_cnt;
121
122 u8 nocrtc;
123 u8 ypan;
124 u8 pmi_setpal;
125 u16 *pmi_base;
126 void *pmi_start;
127 void *pmi_pal;
128 u8 *vbe_state_orig;
129
130
131
132 u8 *vbe_state_saved;
133 int vbe_state_size;
134 atomic_t ref_count;
135
136 int mode_idx;
137 struct vbe_crtc_ib crtc;
138 int mtrr_handle;
139 };
140
141 #endif