diff options
Diffstat (limited to 'include/video/vga.h')
| -rw-r--r-- | include/video/vga.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/include/video/vga.h b/include/video/vga.h index d334e64c1c19..947c0abd04ef 100644 --- a/include/video/vga.h +++ b/include/video/vga.h @@ -2,15 +2,15 @@ * linux/include/video/vga.h -- standard VGA chipset interaction * * Copyright 1999 Jeff Garzik <jgarzik@pobox.com> - * + * * Copyright history from vga16fb.c: * Copyright 1999 Ben Pfaff and Petr Vandrovec - * Based on VGA info at http://www.osdever.net/FreeVGA/home.htm + * Based on VGA info at http://www.osdever.net/FreeVGA/home.htm * Based on VESA framebuffer (c) 1998 Gerd Knorr * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this - * archive for more details. + * archive for more details. * */ @@ -22,6 +22,8 @@ #include <asm/vga.h> #include <asm/byteorder.h> +#define VGA_FB_PHYS_BASE 0xA0000 /* VGA framebuffer I/O base */ +#define VGA_FB_PHYS_SIZE 65536 /* VGA framebuffer I/O size */ /* Some of the code below is taken from SVGAlib. The original, unmodified copyright notice for that code is below. */ @@ -190,7 +192,7 @@ struct vgastate { __u32 num_gfx; /* number of gfx registers, 0 for default */ __u32 num_seq; /* number of seq registers, 0 for default */ void *vidstate; -}; +}; extern int save_vga(struct vgastate *state); extern int restore_vga(struct vgastate *state); @@ -198,7 +200,7 @@ extern int restore_vga(struct vgastate *state); /* * generic VGA port read/write */ - + static inline unsigned char vga_io_r (unsigned short port) { return inb_p(port); @@ -261,7 +263,7 @@ static inline void vga_w_fast (void __iomem *regbase, unsigned short port, /* * VGA CRTC register read/write */ - + static inline unsigned char vga_rcrt (void __iomem *regbase, unsigned char reg) { vga_w (regbase, VGA_CRT_IC, reg); @@ -314,7 +316,7 @@ static inline void vga_mm_wcrt (void __iomem *regbase, unsigned char reg, unsign /* * VGA sequencer register read/write */ - + static inline unsigned char vga_rseq (void __iomem *regbase, unsigned char reg) { vga_w (regbase, VGA_SEQ_I, reg); @@ -366,7 +368,7 @@ static inline void vga_mm_wseq (void __iomem *regbase, unsigned char reg, unsign /* * VGA graphics controller register read/write */ - + static inline unsigned char vga_rgfx (void __iomem *regbase, unsigned char reg) { vga_w (regbase, VGA_GFX_I, reg); @@ -419,7 +421,7 @@ static inline void vga_mm_wgfx (void __iomem *regbase, unsigned char reg, unsign /* * VGA attribute controller register read/write */ - + static inline unsigned char vga_rattr (void __iomem *regbase, unsigned char reg) { vga_w (regbase, VGA_ATT_IW, reg); |