1 #ifndef _ASM_POWERPC_VGA_H_
2 #define _ASM_POWERPC_VGA_H_
7 * Access to VGA videoram
9 * (c) 1998 Martin Mares <mj@ucw.cz>
15 #include <linux/config.h>
17 #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE)
19 #define VT_BUF_HAVE_RW
21 * These are only needed for supporting VGA or MDA text mode, which use little
22 * endian byte ordering.
23 * In other cases, we can optimize by using native byte ordering and
24 * <linux/vt_buffer.h> has already done the right job for us.
27 static inline void scr_writew(u16 val, volatile u16 *addr)
32 static inline u16 scr_readw(volatile const u16 *addr)
37 #define VT_BUF_HAVE_MEMCPYW
38 #define scr_memcpyw memcpy
40 #endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */
42 extern unsigned long vgacon_remap_base;
45 #define VGA_MAP_MEM(x) ((unsigned long) ioremap((x), 0))
47 #define VGA_MAP_MEM(x) (x + vgacon_remap_base)
50 #define vga_readb(x) (*(x))
51 #define vga_writeb(x,y) (*(y) = (x))
53 #endif /* __KERNEL__ */
54 #endif /* _ASM_POWERPC_VGA_H_ */