diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/x86/include/asm/vga.h | |
Diffstat (limited to 'arch/x86/include/asm/vga.h')
| -rw-r--r-- | arch/x86/include/asm/vga.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vga.h b/arch/x86/include/asm/vga.h new file mode 100644 index 00000000..44282fbf --- /dev/null +++ b/arch/x86/include/asm/vga.h @@ -0,0 +1,26 @@ +/* + * Access to VGA videoram + * + * (c) 1998 Martin Mares <mj@ucw.cz> + */ + +#ifndef _ASM_X86_VGA_H +#define _ASM_X86_VGA_H + +/* + * On the PC, we can just recalculate addresses and then + * access the videoram directly without any black magic. + */ + +#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x) + +#define vga_readb(x) (*(x)) +#define vga_writeb(x, y) (*(y) = (x)) + +#ifdef CONFIG_FB_EFI +#define __ARCH_HAS_VGA_DEFAULT_DEVICE +extern struct pci_dev *vga_default_device(void); +extern void vga_set_default_device(struct pci_dev *pdev); +#endif + +#endif /* _ASM_X86_VGA_H */ |