Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 *, struct amba_id *);
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
39enum amba_vendor {
40 AMBA_VENDOR_ARM = 0x41,
41 AMBA_VENDOR_ST = 0x80,
42};
43
44#define amba_get_drvdata(d) dev_get_drvdata(&d->dev)
45#define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p)
46
47int amba_driver_register(struct amba_driver *);
48void amba_driver_unregister(struct amba_driver *);
49int amba_device_register(struct amba_device *, struct resource *);
50void amba_device_unregister(struct amba_device *);
51struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int);
52int amba_request_regions(struct amba_device *, const char *);
53void amba_release_regions(struct amba_device *);
54
55#define amba_config(d) (((d)->periphid >> 24) & 0xff)
56#define amba_rev(d) (((d)->periphid >> 20) & 0x0f)
57#define amba_manf(d) (((d)->periphid >> 12) & 0xff)
58#define amba_part(d) ((d)->periphid & 0xfff)
59
60#endif