root/include/linux/amba/bus.h

INCLUDED FROM

/*
 *  linux/include/asm-arm/hardware/amba.h
 *
 *  Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef ASMARM_AMBA_H
#define ASMARM_AMBA_H

#define AMBA_NR_IRQS    2

struct amba_device {
        struct device           dev;
        struct resource         res;
        u64                     dma_mask;
        unsigned int            periphid;
        unsigned int            irq[AMBA_NR_IRQS];
};

struct amba_id {
        unsigned int            id;
        unsigned int            mask;
        void                    *data;
};

struct amba_driver {
        struct device_driver    drv;
        int                     (*probe)(struct amba_device *, void *);
        int                     (*remove)(struct amba_device *);
        void                    (*shutdown)(struct amba_device *);
        int                     (*suspend)(struct amba_device *, pm_message_t);
        int                     (*resume)(struct amba_device *);
        struct amba_id          *id_table;
};

#define amba_get_drvdata(d)     dev_get_drvdata(&d->dev)
#define amba_set_drvdata(d,p)   dev_set_drvdata(&d->dev, p)

int amba_driver_register(struct amba_driver *);
void amba_driver_unregister(struct amba_driver *);
int amba_device_register(struct amba_device *, struct resource *);
void amba_device_unregister(struct amba_device *);
struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int);
int amba_request_regions(struct amba_device *, const char *);
void amba_release_regions(struct amba_device *);

#define amba_config(d)  (((d)->periphid >> 24) & 0xff)
#define amba_rev(d)     (((d)->periphid >> 20) & 0x0f)
#define amba_manf(d)    (((d)->periphid >> 12) & 0xff)
#define amba_part(d)    ((d)->periphid & 0xfff)

#endif