LXR linux/arch/sparc/include/asm/vga.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 *      Access to VGA videoram
   4 *
   5 *      (c) 1998 Martin Mares <mj@ucw.cz>
   6 */
   7
   8#ifndef _LINUX_ASM_VGA_H_
   9#define _LINUX_ASM_VGA_H_
  10
  11#include <linux/bug.h>
  12#include <linux/string.h>
  13#include <asm/types.h>
  14
  15#define VT_BUF_HAVE_RW
  16#define VT_BUF_HAVE_MEMSETW
  17#define VT_BUF_HAVE_MEMCPYW
  18#define VT_BUF_HAVE_MEMMOVEW
  19
  20#undef scr_writew
  21#undef scr_readw
  22
  23static inline void scr_writew(u16 val, u16 *addr)
  24{
  25        BUG_ON((long) addr >= 0);
  26
  27        *addr = val;
  28}
  29
  30static inline u16 scr_readw(const u16 *addr)
  31{
  32        BUG_ON((long) addr >= 0);
  33
  34        return *addr;
  35}
  36
  37static inline void scr_memsetw(u16 *p, u16 v, unsigned int n)
  38{
  39        BUG_ON((long) p >= 0);
  40
  41        memset16(p, cpu_to_le16(v), n / 2);
  42}
  43
  44static inline void scr_memcpyw(u16 *d, u16 *s, unsigned int n)
  45{
  46        BUG_ON((long) d >= 0);
  47
  48        memcpy(d, s, n);
  49}
  50
  51static inline void scr_memmovew(u16 *d, u16 *s, unsigned int n)
  52{
  53        BUG_ON((long) d >= 0);
  54
  55        memmove(d, s, n);
  56}
  57
  58#define VGA_MAP_MEM(x,s) (x)
  59
  60#endif
  61