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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/powerpc/include/asm/vga.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/powerpc/include/asm/vga.h')
-rw-r--r-- | arch/powerpc/include/asm/vga.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/vga.h b/arch/powerpc/include/asm/vga.h new file mode 100644 index 00000000..a2eac409 --- /dev/null +++ b/arch/powerpc/include/asm/vga.h @@ -0,0 +1,53 @@ +#ifndef _ASM_POWERPC_VGA_H_ +#define _ASM_POWERPC_VGA_H_ + +#ifdef __KERNEL__ + +/* + * Access to VGA videoram + * + * (c) 1998 Martin Mares <mj@ucw.cz> + */ + + +#include <asm/io.h> + + +#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE) + +#define VT_BUF_HAVE_RW +/* + * These are only needed for supporting VGA or MDA text mode, which use little + * endian byte ordering. + * In other cases, we can optimize by using native byte ordering and + * <linux/vt_buffer.h> has already done the right job for us. + */ + +static inline void scr_writew(u16 val, volatile u16 *addr) +{ + st_le16(addr, val); +} + +static inline u16 scr_readw(volatile const u16 *addr) +{ + return ld_le16(addr); +} + +#define VT_BUF_HAVE_MEMCPYW +#define scr_memcpyw memcpy + +#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */ + +extern unsigned long vgacon_remap_base; + +#ifdef __powerpc64__ +#define VGA_MAP_MEM(x,s) ((unsigned long) ioremap((x), s)) +#else +#define VGA_MAP_MEM(x,s) (x + vgacon_remap_base) +#endif + +#define vga_readb(x) (*(x)) +#define vga_writeb(x,y) (*(y) = (x)) + +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_VGA_H_ */ |