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a268422d OZ |
1 | #ifndef _LINUX_SVGA_H |
2 | #define _LINUX_SVGA_H | |
3 | ||
4 | #ifdef __KERNEL__ | |
5 | ||
6 | #include <linux/pci.h> | |
7 | #include <video/vga.h> | |
8 | ||
9 | /* Terminator for register set */ | |
10 | ||
11 | #define VGA_REGSET_END_VAL 0xFF | |
12 | #define VGA_REGSET_END {VGA_REGSET_END_VAL, 0, 0} | |
13 | ||
14 | struct vga_regset { | |
15 | u8 regnum; | |
16 | u8 lowbit; | |
17 | u8 highbit; | |
18 | }; | |
19 | ||
20 | /* ------------------------------------------------------------------------- */ | |
21 | ||
22 | #define SVGA_FORMAT_END_VAL 0xFFFF | |
23 | #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} | |
24 | ||
25 | struct svga_fb_format { | |
26 | /* var part */ | |
27 | u32 bits_per_pixel; | |
28 | struct fb_bitfield red; | |
29 | struct fb_bitfield green; | |
30 | struct fb_bitfield blue; | |
31 | struct fb_bitfield transp; | |
32 | u32 nonstd; | |
33 | /* fix part */ | |
34 | u32 type; | |
35 | u32 type_aux; | |
36 | u32 visual; | |
37 | u32 xpanstep; | |
38 | u32 xresstep; | |
39 | }; | |
40 | ||
41 | struct svga_timing_regs { | |
42 | const struct vga_regset *h_total_regs; | |
43 | const struct vga_regset *h_display_regs; | |
44 | const struct vga_regset *h_blank_start_regs; | |
45 | const struct vga_regset *h_blank_end_regs; | |
46 | const struct vga_regset *h_sync_start_regs; | |
47 | const struct vga_regset *h_sync_end_regs; | |
48 | ||
49 | const struct vga_regset *v_total_regs; | |
50 | const struct vga_regset *v_display_regs; | |
51 | const struct vga_regset *v_blank_start_regs; | |
52 | const struct vga_regset *v_blank_end_regs; | |
53 | const struct vga_regset *v_sync_start_regs; | |
54 | const struct vga_regset *v_sync_end_regs; | |
55 | }; | |
56 | ||
57 | struct svga_pll { | |
58 | u16 m_min; | |
59 | u16 m_max; | |
60 | u16 n_min; | |
61 | u16 n_max; | |
62 | u16 r_min; | |
63 | u16 r_max; /* r_max < 32 */ | |
64 | u32 f_vco_min; | |
65 | u32 f_vco_max; | |
66 | u32 f_base; | |
67 | }; | |
68 | ||
69 | ||
70 | /* Write a value to the attribute register */ | |
71 | ||
72 | static inline void svga_wattr(u8 index, u8 data) | |
73 | { | |
74 | inb(0x3DA); | |
75 | outb(index, 0x3C0); | |
76 | outb(data, 0x3C0); | |
77 | } | |
78 | ||
79 | /* Write a value to a sequence register with a mask */ | |
80 | ||
81 | static inline void svga_wseq_mask(u8 index, u8 data, u8 mask) | |
82 | { | |
83 | vga_wseq(NULL, index, (data & mask) | (vga_rseq(NULL, index) & ~mask)); | |
84 | } | |
85 | ||
86 | /* Write a value to a CRT register with a mask */ | |
87 | ||
88 | static inline void svga_wcrt_mask(u8 index, u8 data, u8 mask) | |
89 | { | |
90 | vga_wcrt(NULL, index, (data & mask) | (vga_rcrt(NULL, index) & ~mask)); | |
91 | } | |
92 | ||
93 | static inline int svga_primary_device(struct pci_dev *dev) | |
94 | { | |
95 | u16 flags; | |
96 | pci_read_config_word(dev, PCI_COMMAND, &flags); | |
97 | return (flags & PCI_COMMAND_IO); | |
98 | } | |
99 | ||
100 | ||
101 | void svga_wcrt_multi(const struct vga_regset *regset, u32 value); | |
102 | void svga_wseq_multi(const struct vga_regset *regset, u32 value); | |
103 | ||
104 | void svga_set_default_gfx_regs(void); | |
105 | void svga_set_default_atc_regs(void); | |
106 | void svga_set_default_seq_regs(void); | |
107 | void svga_set_default_crt_regs(void); | |
108 | void svga_set_textmode_vga_regs(void); | |
109 | ||
110 | void svga_settile(struct fb_info *info, struct fb_tilemap *map); | |
111 | void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area); | |
112 | void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect); | |
113 | void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit); | |
114 | void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor); | |
34ed25f5 | 115 | int svga_get_tilemax(struct fb_info *info); |
5a87ede9 AD |
116 | void svga_get_caps(struct fb_info *info, struct fb_blit_caps *caps, |
117 | struct fb_var_screeninfo *var); | |
a268422d OZ |
118 | |
119 | int svga_compute_pll(const struct svga_pll *pll, u32 f_wanted, u16 *m, u16 *n, u16 *r, int node); | |
120 | int svga_check_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, int node); | |
121 | 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); | |
122 | ||
123 | int svga_match_format(const struct svga_fb_format *frm, struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix); | |
124 | ||
125 | #endif /* __KERNEL__ */ | |
126 | #endif /* _LINUX_SVGA_H */ | |
127 |