[mirror_ubuntu-bionic-kernel.git] / include / asm-generic / vga.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *	Access to VGA videoram
 *
 *	(c) 1998 Martin Mares <mj@ucw.cz>
 */
#ifndef __ASM_GENERIC_VGA_H
#define __ASM_GENERIC_VGA_H

/*
 *	On most architectures that support VGA, we can just
 *	recalculate addresses and then access the videoram
 *	directly without any black magic.
 *
 *	Everyone else needs to ioremap the address and use
 *	proper I/O accesses.
 */
#ifndef VGA_MAP_MEM
#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
#endif

#define vga_readb(x) (*(x))
#define vga_writeb(x, y) (*(y) = (x))

#endif /* _ASM_GENERIC_VGA_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
ae49e807 AB	2	/*
	3	* Access to VGA videoram
	4	*
	5	* (c) 1998 Martin Mares <mj@ucw.cz>
	6	*/
	7	#ifndef __ASM_GENERIC_VGA_H
	8	#define __ASM_GENERIC_VGA_H
	9
	10	/*
	11	* On most architectures that support VGA, we can just
	12	* recalculate addresses and then access the videoram
	13	* directly without any black magic.
	14	*
	15	* Everyone else needs to ioremap the address and use
	16	* proper I/O accesses.
	17	*/
	18	#ifndef VGA_MAP_MEM
	19	#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
	20	#endif
	21
	22	#define vga_readb(x) (*(x))
	23	#define vga_writeb(x, y) (*(y) = (x))
	24
	25	#endif /* _ASM_GENERIC_VGA_H */