61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
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/*
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* linux/include/asm-arm/hardware/amba.h
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*
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* Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef ASMARM_AMBA_H
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#define ASMARM_AMBA_H
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#define AMBA_NR_IRQS 2
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struct amba_device {
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struct device dev;
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struct resource res;
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u64 dma_mask;
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unsigned int periphid;
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unsigned int irq[AMBA_NR_IRQS];
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};
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struct amba_id {
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unsigned int id;
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unsigned int mask;
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void *data;
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};
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struct amba_driver {
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struct device_driver drv;
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int (*probe)(struct amba_device *, struct amba_id *);
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int (*remove)(struct amba_device *);
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void (*shutdown)(struct amba_device *);
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int (*suspend)(struct amba_device *, pm_message_t);
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int (*resume)(struct amba_device *);
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struct amba_id *id_table;
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};
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enum amba_vendor {
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AMBA_VENDOR_ARM = 0x41,
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AMBA_VENDOR_ST = 0x80,
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};
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#define amba_get_drvdata(d) dev_get_drvdata(&d->dev)
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#define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p)
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int amba_driver_register(struct amba_driver *);
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void amba_driver_unregister(struct amba_driver *);
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int amba_device_register(struct amba_device *, struct resource *);
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void amba_device_unregister(struct amba_device *);
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struct amba_device *amba_find_device(const char *, struct device *, unsigned int, unsigned int);
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int amba_request_regions(struct amba_device *, const char *);
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void amba_release_regions(struct amba_device *);
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#define amba_config(d) (((d)->periphid >> 24) & 0xff)
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#define amba_rev(d) (((d)->periphid >> 20) & 0x0f)
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#define amba_manf(d) (((d)->periphid >> 12) & 0xff)
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#define amba_part(d) ((d)->periphid & 0xfff)
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#endif
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