Commit | Line | Data |
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1da177e4 | 1 | /* |
4e10ae11 LW |
2 | * linux/include/amba/bus.h |
3 | * | |
4 | * This device type deals with ARM PrimeCells and anything else that | |
5 | * presents a proper CID (0xB105F00D) at the end of the I/O register | |
6 | * region or that is derived from a PrimeCell. | |
1da177e4 LT |
7 | * |
8 | * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | #ifndef ASMARM_AMBA_H | |
15 | #define ASMARM_AMBA_H | |
16 | ||
17 | #define AMBA_NR_IRQS 2 | |
18 | ||
19 | struct amba_device { | |
20 | struct device dev; | |
21 | struct resource res; | |
22 | u64 dma_mask; | |
23 | unsigned int periphid; | |
24 | unsigned int irq[AMBA_NR_IRQS]; | |
25 | }; | |
26 | ||
27 | struct amba_id { | |
28 | unsigned int id; | |
29 | unsigned int mask; | |
30 | void *data; | |
31 | }; | |
32 | ||
33 | struct amba_driver { | |
34 | struct device_driver drv; | |
03fbdb15 | 35 | int (*probe)(struct amba_device *, struct amba_id *); |
1da177e4 LT |
36 | int (*remove)(struct amba_device *); |
37 | void (*shutdown)(struct amba_device *); | |
38 | int (*suspend)(struct amba_device *, pm_message_t); | |
39 | int (*resume)(struct amba_device *); | |
40 | struct amba_id *id_table; | |
41 | }; | |
42 | ||
f17a1f06 LW |
43 | enum amba_vendor { |
44 | AMBA_VENDOR_ARM = 0x41, | |
45 | AMBA_VENDOR_ST = 0x80, | |
46 | }; | |
47 | ||
1da177e4 LT |
48 | #define amba_get_drvdata(d) dev_get_drvdata(&d->dev) |
49 | #define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p) | |
50 | ||
51 | int amba_driver_register(struct amba_driver *); | |
52 | void amba_driver_unregister(struct amba_driver *); | |
53 | int amba_device_register(struct amba_device *, struct resource *); | |
54 | void amba_device_unregister(struct amba_device *); | |
55 | struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int); | |
56 | int amba_request_regions(struct amba_device *, const char *); | |
57 | void amba_release_regions(struct amba_device *); | |
58 | ||
59 | #define amba_config(d) (((d)->periphid >> 24) & 0xff) | |
60 | #define amba_rev(d) (((d)->periphid >> 20) & 0x0f) | |
61 | #define amba_manf(d) (((d)->periphid >> 12) & 0xff) | |
62 | #define amba_part(d) ((d)->periphid & 0xfff) | |
63 | ||
64 | #endif |