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gerrit-public.fairphone.software / kernel / msm-4.9 / c13e396ebfed48948f3204db0e7def95080cd660 / . / include / video / uvesafb.h
blob: 1a91850cb96142482810a28844b76dbb4122aba3 [file] [log] [blame]
Michal Januszewski8bdb3a22007-10-16 01:28:26 -0700[diff] [blame]1#ifndef _UVESAFB_H
2#define _UVESAFB_H
3
David Howellsb889fcf2012-12-20 17:14:26 +0000[diff] [blame]4#include <uapi/video/uvesafb.h>
Jaswinder Singh Rajputde4d3792009-01-30 22:35:17 +0530[diff] [blame]5
Michal Januszewski8bdb3a22007-10-16 01:28:26 -0700[diff] [blame]6
7/* VBE CRTC Info Block */
8struct 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 */
31struct 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
100struct uvesafb_pal_entry {
101 u_char blue, green, red, pad;
102} __attribute__ ((packed));
103
104struct uvesafb_ktask {
105 struct uvesafb_task t;
106 void *buf;
107 struct completion *done;
108 u32 ack;
109};
110
111static int uvesafb_exec(struct uvesafb_ktask *tsk);
112
113#define UVESAFB_EXACT_RES 1
114#define UVESAFB_EXACT_DEPTH 2
115
116struct 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
Michal Januszewski8bdb3a22007-10-16 01:28:26 -0700[diff] [blame]139#endif /* _UVESAFB_H */