tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/include/asm-arm/arch-arc/oldlatches.h
3 *
4 * Copyright (C) 1996 Russell King, Dave Gilbert
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Modifications:
11 * 04-04-1998 PJB/RMK Merged arc and a5k versions
12 */
13#ifndef _ASM_ARCH_OLDLATCH_H
14#define _ASM_ARCH_OLDLATCH_H
15
16#define LATCHA_FDSEL0 (1<<0)
17#define LATCHA_FDSEL1 (1<<1)
18#define LATCHA_FDSEL2 (1<<2)
19#define LATCHA_FDSEL3 (1<<3)
20#define LATCHA_FDSELALL (0xf)
21#define LATCHA_SIDESEL (1<<4)
22#define LATCHA_MOTOR (1<<5)
23#define LATCHA_INUSE (1<<6)
24#define LATCHA_CHANGERST (1<<7)
25
26#define LATCHB_FDCDENSITY (1<<1)
27#define LATCHB_FDCRESET (1<<3)
28#define LATCHB_PRINTSTROBE (1<<4)
29
30/* newval=(oldval & mask)|newdata */
31void oldlatch_bupdate(unsigned char mask,unsigned char newdata);
32
33/* newval=(oldval & mask)|newdata */
34void oldlatch_aupdate(unsigned char mask,unsigned char newdata);
35
36#endif
37