#ifndef _LINUX_SVGA_H #define _LINUX_SVGA_H #ifdef __KERNEL__ #include <linux/pci.h> #include <video/vga.h> /* Terminator for register set */ #define VGA_REGSET_END_VAL 0xFF #define VGA_REGSET_END {VGA_REGSET_END_VAL, 0, 0} struct vga_regset { u8 regnum; u8 lowbit; u8 highbit; }; /* ------------------------------------------------------------------------- */ #define SVGA_FORMAT_END_VAL 0xFFFF #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} struct svga_fb_format { /* var part */ u32 bits_per_pixel; struct fb_bitfield red; struct fb_bitfield green; struct fb_bitfield blue; struct fb_bitfield transp; u32 nonstd; /* fix part */ u32 type; u32 type_aux; u32 visual; u32 xpanstep; u32 xresstep; }; struct svga_timing_regs { const struct vga_regset *h_total_regs; const struct vga_regset *h_display_regs; const struct vga_regset *h_blank_start_regs; const struct vga_regset *h_blank_end_regs; const struct vga_regset *h_sync_start_regs; const struct vga_regset *h_sync_end_regs; const struct vga_regset *v_total_regs; const struct vga_regset *v_display_regs; const struct vga_regset *v_blank_start_regs; const struct vga_regset *v_blank_end_regs; const struct vga_regset *v_sync_start_regs; const struct vga_regset *v_sync_end_regs; }; struct svga_pll { u16 m_min; u16 m_max; u16 n_min; u16 n_max; u16 r_min; u16 r_max; /* r_max < 32 */ u32 f_vco_min; u32 f_vco_max; u32 f_base; }; /* Write a value to the attribute register */ static inline void svga_wattr(u8 index, u8 data) { inb(0x3DA); outb(index, 0x3C0); outb(data, 0x3C0); } /* Write a value to a sequence register with a mask */ static inline void svga_wseq_mask(u8 index, u8 data, u8 mask) { vga_wseq(NULL, index, (data & mask) | (vga_rseq(NULL, index) & ~mask)); } /* Write a value to a CRT register with a mask */ static inline void svga_wcrt_mask(u8 index, u8 data, u8 mask) { vga_wcrt(NULL, index, (data & mask) | (vga_rcrt(NULL, index) & ~mask)); } static inline int svga_primary_device(struct pci_dev *dev) { u16 flags; pci_read_config_word(dev, PCI_COMMAND, &flags); return (flags & PCI_COMMAND_IO); } void svga_wcrt_multi(const struct vga_regset *regset, u32 value); void svga_wseq_multi(const struct vga_regset *regset, u32 value); void svga_set_default_gfx_regs(void); void svga_set_default_atc_regs(void); void svga_set_default_seq_regs(void); void svga_set_default_crt_regs(void); void svga_set_textmode_vga_regs(void); void svga_settile(struct fb_info *info, struct fb_tilemap *map); void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area); void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect); void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit); void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor); int svga_get_tilemax(struct fb_info *info); void svga_get_caps(struct fb_info *info, struct fb_blit_caps *caps, struct fb_var_screeninfo *var); int svga_compute_pll(const struct svga_pll *pll, u32 f_wanted, u16 *m, u16 *n, u16 *r, int node); int svga_check_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, int node); 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); int svga_match_format(const struct svga_fb_format *frm, struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix); #endif /* __KERNEL__ */ #endif /* _LINUX_SVGA_H */