/* 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([31mCONFIG_VGA_CONSOLE[0m) || defined([31mCONFIG_MDA_CONSOLE[0m) #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); } #define VT_BUF_HAVE_MEMCPYW #define VT_BUF_HAVE_MEMMOVEW #define scr_memcpyw memcpy #define scr_memmovew memmove #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_ */ |