[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-powerpc / vga.h

#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)
{
    st_le16(addr, val);
}

static inline u16 scr_readw(volatile const u16 *addr)
{
    return ld_le16(addr);
}

#define VT_BUF_HAVE_MEMCPYW
#define scr_memcpyw	memcpy

#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */

extern unsigned long vgacon_remap_base;

#ifdef __powerpc64__
#define VGA_MAP_MEM(x,s) ((unsigned long) ioremap((x), s))
#else
#define VGA_MAP_MEM(x,s) (x + vgacon_remap_base)
#endif

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

#endif	/* __KERNEL__ */
#endif	/* _ASM_POWERPC_VGA_H_ */
Commit	Line	Data
8b22cc01	1	#ifndef _ASM_POWERPC_VGA_H_
	2	#define _ASM_POWERPC_VGA_H_
	3
	4	#ifdef __KERNEL__
	5
1da177e4 LT	6	/*
	7	* Access to VGA videoram
	8	*
	9	* (c) 1998 Martin Mares <mj@ucw.cz>
1da177e4 LT	10	*/
1da177e4 LT	11
1da177e4 LT	12
	13	#include <asm/io.h>
	14
1da177e4 LT	15
	16	#if defined(CONFIG_VGA_CONSOLE) \|\| defined(CONFIG_MDA_CONSOLE)
	17
	18	#define VT_BUF_HAVE_RW
	19	/*
	20	* These are only needed for supporting VGA or MDA text mode, which use little
	21	* endian byte ordering.
	22	* In other cases, we can optimize by using native byte ordering and
	23	* <linux/vt_buffer.h> has already done the right job for us.
	24	*/
	25
	26	static inline void scr_writew(u16 val, volatile u16 *addr)
	27	{
	28	st_le16(addr, val);
	29	}
	30
	31	static inline u16 scr_readw(volatile const u16 *addr)
	32	{
	33	return ld_le16(addr);
	34	}
	35
	36	#define VT_BUF_HAVE_MEMCPYW
	37	#define scr_memcpyw memcpy
	38
	39	#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */
	40
	41	extern unsigned long vgacon_remap_base;
8b22cc01	42
8b22cc01	43	#ifdef __powerpc64__
4f1bcaf0	44	#define VGA_MAP_MEM(x,s) ((unsigned long) ioremap((x), s))
8b22cc01	45	#else
4f1bcaf0	46	#define VGA_MAP_MEM(x,s) (x + vgacon_remap_base)
8b22cc01	47	#endif
1da177e4 LT	48
	49	#define vga_readb(x) (*(x))
	50	#define vga_writeb(x,y) (*(y) = (x))
	51
8b22cc01	52	#endif /* __KERNEL__ */
8b22cc01	53	#endif /* _ASM_POWERPC_VGA_H_ */