1/*
2 *  Copyright (C) 2004 by Basler Vision Technologies AG
3 *  Author: Thomas Koeller <thomas.koeller@baslerweb.com>
4 *
5 *  This program is free software; you can redistribute it and/or modify
6 *  it under the terms of the GNU General Public License as published by
7 *  the Free Software Foundation; either version 2 of the License, or
8 *  (at your option) any later version.
9 *
10 *  This program is distributed in the hope that it will be useful,
11 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 *  GNU General Public License for more details.
14 *
15 *  You should have received a copy of the GNU General Public License
16 *  along with this program; if not, write to the Free Software
17 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 */
19
20#if !defined(_ASM_RM9K_OCD_H)
21#define _ASM_RM9K_OCD_H
22
23#include <linux/types.h>
24#include <linux/spinlock.h>
25#include <asm/io.h>
26
27extern volatile void __iomem * const ocd_base;
28extern volatile void __iomem * const titan_base;
29
30#define ocd_addr(__x__)		(ocd_base + (__x__))
31#define titan_addr(__x__)	(titan_base + (__x__))
32#define scram_addr(__x__)	(scram_base + (__x__))
33
34/* OCD register access */
35#define ocd_readl(__offs__) __raw_readl(ocd_addr(__offs__))
36#define ocd_readw(__offs__) __raw_readw(ocd_addr(__offs__))
37#define ocd_readb(__offs__) __raw_readb(ocd_addr(__offs__))
38#define ocd_writel(__val__, __offs__) \
39	__raw_writel((__val__), ocd_addr(__offs__))
40#define ocd_writew(__val__, __offs__) \
41	__raw_writew((__val__), ocd_addr(__offs__))
42#define ocd_writeb(__val__, __offs__) \
43	__raw_writeb((__val__), ocd_addr(__offs__))
44
45/* TITAN register access - 32 bit-wide only */
46#define titan_readl(__offs__) __raw_readl(titan_addr(__offs__))
47#define titan_writel(__val__, __offs__) \
48	__raw_writel((__val__), titan_addr(__offs__))
49
50/* Protect access to shared TITAN registers */
51extern spinlock_t titan_lock;
52extern int titan_irqflags;
53#define lock_titan_regs() spin_lock_irqsave(&titan_lock, titan_irqflags)
54#define unlock_titan_regs() spin_unlock_irqrestore(&titan_lock, titan_irqflags)
55
56#endif	/* !defined(_ASM_RM9K_OCD_H) */
57