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1 | #ifndef _LINUX_SVGA_H |
2 | #define _LINUX_SVGA_H | |
3 | ||
a268422d OZ |
4 | #include <linux/pci.h> |
5 | #include <video/vga.h> | |
6 | ||
7 | /* Terminator for register set */ | |
8 | ||
9 | #define VGA_REGSET_END_VAL 0xFF | |
10 | #define VGA_REGSET_END {VGA_REGSET_END_VAL, 0, 0} | |
11 | ||
12 | struct vga_regset { | |
13 | u8 regnum; | |
14 | u8 lowbit; | |
15 | u8 highbit; | |
16 | }; | |
17 | ||
18 | /* ------------------------------------------------------------------------- */ | |
19 | ||
20 | #define SVGA_FORMAT_END_VAL 0xFFFF | |
21 | #define SVGA_FORMAT_END {SVGA_FORMAT_END_VAL, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, 0, 0, 0, 0, 0, 0} | |
22 | ||
23 | struct svga_fb_format { | |
24 | /* var part */ | |
25 | u32 bits_per_pixel; | |
26 | struct fb_bitfield red; | |
27 | struct fb_bitfield green; | |
28 | struct fb_bitfield blue; | |
29 | struct fb_bitfield transp; | |
30 | u32 nonstd; | |
31 | /* fix part */ | |
32 | u32 type; | |
33 | u32 type_aux; | |
34 | u32 visual; | |
35 | u32 xpanstep; | |
36 | u32 xresstep; | |
37 | }; | |
38 | ||
39 | struct svga_timing_regs { | |
40 | const struct vga_regset *h_total_regs; | |
41 | const struct vga_regset *h_display_regs; | |
42 | const struct vga_regset *h_blank_start_regs; | |
43 | const struct vga_regset *h_blank_end_regs; | |
44 | const struct vga_regset *h_sync_start_regs; | |
45 | const struct vga_regset *h_sync_end_regs; | |
46 | ||
47 | const struct vga_regset *v_total_regs; | |
48 | const struct vga_regset *v_display_regs; | |
49 | const struct vga_regset *v_blank_start_regs; | |
50 | const struct vga_regset *v_blank_end_regs; | |
51 | const struct vga_regset *v_sync_start_regs; | |
52 | const struct vga_regset *v_sync_end_regs; | |
53 | }; | |
54 | ||
55 | struct svga_pll { | |
56 | u16 m_min; | |
57 | u16 m_max; | |
58 | u16 n_min; | |
59 | u16 n_max; | |
60 | u16 r_min; | |
61 | u16 r_max; /* r_max < 32 */ | |
62 | u32 f_vco_min; | |
63 | u32 f_vco_max; | |
64 | u32 f_base; | |
65 | }; | |
66 | ||
67 | ||
68 | /* Write a value to the attribute register */ | |
69 | ||
70 | static inline void svga_wattr(u8 index, u8 data) | |
71 | { | |
72 | inb(0x3DA); | |
73 | outb(index, 0x3C0); | |
74 | outb(data, 0x3C0); | |
75 | } | |
76 | ||
77 | /* Write a value to a sequence register with a mask */ | |
78 | ||
79 | static inline void svga_wseq_mask(u8 index, u8 data, u8 mask) | |
80 | { | |
81 | vga_wseq(NULL, index, (data & mask) | (vga_rseq(NULL, index) & ~mask)); | |
82 | } | |
83 | ||
84 | /* Write a value to a CRT register with a mask */ | |
85 | ||
86 | static inline void svga_wcrt_mask(u8 index, u8 data, u8 mask) | |
87 | { | |
88 | vga_wcrt(NULL, index, (data & mask) | (vga_rcrt(NULL, index) & ~mask)); | |
89 | } | |
90 | ||
91 | static inline int svga_primary_device(struct pci_dev *dev) | |
92 | { | |
93 | u16 flags; | |
94 | pci_read_config_word(dev, PCI_COMMAND, &flags); | |
95 | return (flags & PCI_COMMAND_IO); | |
96 | } | |
97 | ||
98 | ||
99 | void svga_wcrt_multi(const struct vga_regset *regset, u32 value); | |
100 | void svga_wseq_multi(const struct vga_regset *regset, u32 value); | |
101 | ||
102 | void svga_set_default_gfx_regs(void); | |
103 | void svga_set_default_atc_regs(void); | |
104 | void svga_set_default_seq_regs(void); | |
105 | void svga_set_default_crt_regs(void); | |
106 | void svga_set_textmode_vga_regs(void); | |
107 | ||
108 | void svga_settile(struct fb_info *info, struct fb_tilemap *map); | |
109 | void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area); | |
110 | void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect); | |
111 | void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit); | |
112 | void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor); | |
34ed25f5 | 113 | int svga_get_tilemax(struct fb_info *info); |
5a87ede9 AD |
114 | void svga_get_caps(struct fb_info *info, struct fb_blit_caps *caps, |
115 | struct fb_var_screeninfo *var); | |
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116 | |
117 | int svga_compute_pll(const struct svga_pll *pll, u32 f_wanted, u16 *m, u16 *n, u16 *r, int node); | |
118 | int svga_check_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, int node); | |
119 | void svga_set_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, u32 hmul, u32 hdiv, u32 vmul, u32 vdiv, u32 hborder, int node); | |
120 | ||
121 | int svga_match_format(const struct svga_fb_format *frm, struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix); | |
122 | ||
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123 | #endif /* _LINUX_SVGA_H */ |
124 |