1/*
2 *  linux/include/asm-arm/hardware/amba.h
3 *
4 *  Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
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#ifndef ASMARM_AMBA_H
11#define ASMARM_AMBA_H
12
13#define AMBA_NR_IRQS	2
14
15struct amba_device {
16	struct device		dev;
17	struct resource		res;
18	u64			dma_mask;
19	unsigned int		periphid;
20	unsigned int		irq[AMBA_NR_IRQS];
21};
22
23struct amba_id {
24	unsigned int		id;
25	unsigned int		mask;
26	void			*data;
27};
28
29struct amba_driver {
30	struct device_driver	drv;
31	int			(*probe)(struct amba_device *, void *);
32	int			(*remove)(struct amba_device *);
33	void			(*shutdown)(struct amba_device *);
34	int			(*suspend)(struct amba_device *, pm_message_t);
35	int			(*resume)(struct amba_device *);
36	struct amba_id		*id_table;
37};
38
39#define amba_get_drvdata(d)	dev_get_drvdata(&d->dev)
40#define amba_set_drvdata(d,p)	dev_set_drvdata(&d->dev, p)
41
42int amba_driver_register(struct amba_driver *);
43void amba_driver_unregister(struct amba_driver *);
44int amba_device_register(struct amba_device *, struct resource *);
45void amba_device_unregister(struct amba_device *);
46struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int);
47int amba_request_regions(struct amba_device *, const char *);
48void amba_release_regions(struct amba_device *);
49
50#define amba_config(d)	(((d)->periphid >> 24) & 0xff)
51#define amba_rev(d)	(((d)->periphid >> 20) & 0x0f)
52#define amba_manf(d)	(((d)->periphid >> 12) & 0xff)
53#define amba_part(d)	((d)->periphid & 0xfff)
54
55#endif
56