amba.h
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上传日期:2009-04-28
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文件大小:2k
- /*
- * 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