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