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/* SPDX-License-Identifier: GPL-2.0 */ /* * Access to VGA videoram * * (c) 1998 Martin Mares <mj@ucw.cz> */ #ifndef _LINUX_ASM_VGA_H_ #define _LINUX_ASM_VGA_H_ #include <linux/bug.h> #include <linux/string.h> #include <asm/types.h> #define VT_BUF_HAVE_RW #define VT_BUF_HAVE_MEMSETW #define VT_BUF_HAVE_MEMCPYW #define VT_BUF_HAVE_MEMMOVEW #undef scr_writew #undef scr_readw static inline void scr_writew(u16 val, u16 *addr) { BUG_ON((long) addr >= 0); *addr = val; } static inline u16 scr_readw(const u16 *addr) { BUG_ON((long) addr >= 0); return *addr; } static inline void scr_memsetw(u16 *p, u16 v, unsigned int n) { BUG_ON((long) p >= 0); memset16(p, cpu_to_le16(v), n / 2); } static inline void scr_memcpyw(u16 *d, u16 *s, unsigned int n) { BUG_ON((long) d >= 0); memcpy(d, s, n); } static inline void scr_memmovew(u16 *d, u16 *s, unsigned int n) { BUG_ON((long) d >= 0); memmove(d, s, n); } #define VGA_MAP_MEM(x,s) (x) #endif