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8bdb3a2d MJ |
1 | #ifndef _UVESAFB_H |
2 | #define _UVESAFB_H | |
3 | ||
b889fcf6 | 4 | #include <uapi/video/uvesafb.h> |
8bdb3a2d | 5 | |
8bdb3a2d MJ |
6 | |
7 | /* VBE CRTC Info Block */ | |
8 | struct vbe_crtc_ib { | |
9 | u16 horiz_total; | |
10 | u16 horiz_start; | |
11 | u16 horiz_end; | |
12 | u16 vert_total; | |
13 | u16 vert_start; | |
14 | u16 vert_end; | |
15 | u8 flags; | |
16 | u32 pixel_clock; | |
17 | u16 refresh_rate; | |
18 | u8 reserved[40]; | |
19 | } __attribute__ ((packed)); | |
20 | ||
21 | #define VBE_MODE_VGACOMPAT 0x20 | |
22 | #define VBE_MODE_COLOR 0x08 | |
23 | #define VBE_MODE_SUPPORTEDHW 0x01 | |
24 | #define VBE_MODE_GRAPHICS 0x10 | |
25 | #define VBE_MODE_LFB 0x80 | |
26 | ||
27 | #define VBE_MODE_MASK (VBE_MODE_COLOR | VBE_MODE_SUPPORTEDHW | \ | |
28 | VBE_MODE_GRAPHICS | VBE_MODE_LFB) | |
29 | ||
30 | /* VBE Mode Info Block */ | |
31 | struct vbe_mode_ib { | |
32 | /* for all VBE revisions */ | |
33 | u16 mode_attr; | |
34 | u8 winA_attr; | |
35 | u8 winB_attr; | |
36 | u16 win_granularity; | |
37 | u16 win_size; | |
38 | u16 winA_seg; | |
39 | u16 winB_seg; | |
40 | u32 win_func_ptr; | |
41 | u16 bytes_per_scan_line; | |
42 | ||
43 | /* for VBE 1.2+ */ | |
44 | u16 x_res; | |
45 | u16 y_res; | |
46 | u8 x_char_size; | |
47 | u8 y_char_size; | |
48 | u8 planes; | |
49 | u8 bits_per_pixel; | |
50 | u8 banks; | |
51 | u8 memory_model; | |
52 | u8 bank_size; | |
53 | u8 image_pages; | |
54 | u8 reserved1; | |
55 | ||
56 | /* Direct color fields for direct/6 and YUV/7 memory models. */ | |
57 | /* Offsets are bit positions of lsb in the mask. */ | |
58 | u8 red_len; | |
59 | u8 red_off; | |
60 | u8 green_len; | |
61 | u8 green_off; | |
62 | u8 blue_len; | |
63 | u8 blue_off; | |
64 | u8 rsvd_len; | |
65 | u8 rsvd_off; | |
66 | u8 direct_color_info; /* direct color mode attributes */ | |
67 | ||
68 | /* for VBE 2.0+ */ | |
69 | u32 phys_base_ptr; | |
70 | u8 reserved2[6]; | |
71 | ||
72 | /* for VBE 3.0+ */ | |
73 | u16 lin_bytes_per_scan_line; | |
74 | u8 bnk_image_pages; | |
75 | u8 lin_image_pages; | |
76 | u8 lin_red_len; | |
77 | u8 lin_red_off; | |
78 | u8 lin_green_len; | |
79 | u8 lin_green_off; | |
80 | u8 lin_blue_len; | |
81 | u8 lin_blue_off; | |
82 | u8 lin_rsvd_len; | |
83 | u8 lin_rsvd_off; | |
84 | u32 max_pixel_clock; | |
85 | u16 mode_id; | |
86 | u8 depth; | |
87 | } __attribute__ ((packed)); | |
88 | ||
89 | #define UVESAFB_DEFAULT_MODE "640x480-16" | |
90 | ||
91 | /* How long to wait for a reply from userspace [ms] */ | |
92 | #define UVESAFB_TIMEOUT 5000 | |
93 | ||
94 | /* Max number of concurrent tasks */ | |
95 | #define UVESAFB_TASKS_MAX 16 | |
96 | ||
97 | #define dac_reg (0x3c8) | |
98 | #define dac_val (0x3c9) | |
99 | ||
100 | struct uvesafb_pal_entry { | |
101 | u_char blue, green, red, pad; | |
102 | } __attribute__ ((packed)); | |
103 | ||
104 | struct uvesafb_ktask { | |
105 | struct uvesafb_task t; | |
106 | void *buf; | |
107 | struct completion *done; | |
108 | u32 ack; | |
109 | }; | |
110 | ||
111 | static int uvesafb_exec(struct uvesafb_ktask *tsk); | |
112 | ||
113 | #define UVESAFB_EXACT_RES 1 | |
114 | #define UVESAFB_EXACT_DEPTH 2 | |
115 | ||
116 | struct uvesafb_par { | |
117 | struct vbe_ib vbe_ib; /* VBE Info Block */ | |
118 | struct vbe_mode_ib *vbe_modes; /* list of supported VBE modes */ | |
119 | int vbe_modes_cnt; | |
120 | ||
121 | u8 nocrtc; | |
122 | u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */ | |
123 | u8 pmi_setpal; /* PMI for palette changes */ | |
124 | u16 *pmi_base; /* protected mode interface location */ | |
125 | void *pmi_start; | |
126 | void *pmi_pal; | |
127 | u8 *vbe_state_orig; /* | |
128 | * original hardware state, before the | |
129 | * driver was loaded | |
130 | */ | |
131 | u8 *vbe_state_saved; /* state saved by fb_save_state */ | |
132 | int vbe_state_size; | |
133 | atomic_t ref_count; | |
134 | ||
135 | int mode_idx; | |
136 | struct vbe_crtc_ib crtc; | |
137 | }; | |
138 | ||
8bdb3a2d | 139 | #endif /* _UVESAFB_H */ |