projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| c36207a4 | 17 | #include <linux/device.h> |
| 18 | #include <linux/resource.h> | |
| 19 | ||
| 1da177e4 LT |
20 | #define AMBA_NR_IRQS 2 |
| 21 | ||
| 22 | struct amba_device { | |
| 23 | struct device dev; | |
| 24 | struct resource res; | |
| 25 | u64 dma_mask; | |
| 26 | unsigned int periphid; | |
| 27 | unsigned int irq[AMBA_NR_IRQS]; | |
| 28 | }; | |
| 29 | ||
| 30 | struct amba_id { | |
| 31 | unsigned int id; | |
| 32 | unsigned int mask; | |
| 33 | void *data; | |
| 34 | }; | |
| 35 | ||
| 36 | struct amba_driver { | |
| 37 | struct device_driver drv; | |
| 03fbdb15 | 38 | int (*probe)(struct amba_device *, struct amba_id *); |
| 1da177e4 LT |
39 | int (*remove)(struct amba_device *); |
| 40 | void (*shutdown)(struct amba_device *); | |
| 41 | int (*suspend)(struct amba_device *, pm_message_t); | |
| 42 | int (*resume)(struct amba_device *); | |
| 43 | struct amba_id *id_table; | |
| 44 | }; | |
| 45 | ||
| f17a1f06 LW |
46 | enum amba_vendor { |
| 47 | AMBA_VENDOR_ARM = 0x41, | |
| 48 | AMBA_VENDOR_ST = 0x80, | |
| 49 | }; | |
| 50 | ||
| 1da177e4 LT |
51 | #define amba_get_drvdata(d) dev_get_drvdata(&d->dev) |
| 52 | #define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p) | |
| 53 | ||
| 54 | int amba_driver_register(struct amba_driver *); | |
| 55 | void amba_driver_unregister(struct amba_driver *); | |
| 56 | int amba_device_register(struct amba_device *, struct resource *); | |
| 57 | void amba_device_unregister(struct amba_device *); | |
| 58 | struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int); | |
| 59 | int amba_request_regions(struct amba_device *, const char *); | |
| 60 | void amba_release_regions(struct amba_device *); | |
| 61 | ||
| 62 | #define amba_config(d) (((d)->periphid >> 24) & 0xff) | |
| 63 | #define amba_rev(d) (((d)->periphid >> 20) & 0x0f) | |
| 64 | #define amba_manf(d) (((d)->periphid >> 12) & 0xff) | |
| 65 | #define amba_part(d) ((d)->periphid & 0xfff) | |
| 66 | ||
| 67 | #endif |