/* SPDX-License-Identifier: GPL-2.0 */
#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)
{
*addr = cpu_to_le16(val);
}
static inline u16 scr_readw(volatile const u16 *addr)
{
return le16_to_cpu(*addr);
}
#define VT_BUF_HAVE_MEMSETW
static inline void scr_memsetw(u16 *s, u16 v, unsigned int n)
{
memset16(s, cpu_to_le16(v), n / 2 );
}
#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */
#ifdef __powerpc64__
#define VGA_MAP_MEM(x,s) ((unsigned long ) ioremap((x), s))
#else
#define VGA_MAP_MEM(x,s) (x)
#endif
#define vga_readb(x) (*(x))
#define vga_writeb(x,y) (*(y) = (x))
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_VGA_H_ */
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(vorverarbeitet am 2026-09-29)
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