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include/linux/zorro.h
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/* * linux/zorro.h -- Amiga AutoConfig (Zorro) Bus Definitions * * Copyright (C) 1995--2003 Geert Uytterhoeven * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive * for more details. */ #ifndef _LINUX_ZORRO_H #define _LINUX_ZORRO_H |
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#include <uapi/linux/zorro.h> |
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#include <linux/device.h> |
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#include <linux/init.h> #include <linux/ioport.h> |
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#include <linux/mod_devicetable.h> |
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#include <asm/zorro.h> /* * Zorro devices */ struct zorro_dev { struct ExpansionRom rom; zorro_id id; struct zorro_driver *driver; /* which driver has allocated this device */ struct device dev; /* Generic device interface */ u16 slotaddr; u16 slotsize; char name[64]; struct resource resource; }; #define to_zorro_dev(n) container_of(n, struct zorro_dev, dev) /* * Zorro bus */ |
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extern struct bus_type zorro_bus_type; /* |
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* Zorro device drivers */ struct zorro_driver { struct list_head node; char *name; const struct zorro_device_id *id_table; /* NULL if wants all devices */ int (*probe)(struct zorro_dev *z, const struct zorro_device_id *id); /* New device inserted */ void (*remove)(struct zorro_dev *z); /* Device removed (NULL if not a hot-plug capable driver) */ struct device_driver driver; }; #define to_zorro_driver(drv) container_of(drv, struct zorro_driver, driver) #define zorro_for_each_dev(dev) \ for (dev = &zorro_autocon[0]; dev < zorro_autocon+zorro_num_autocon; dev++) /* New-style probing */ extern int zorro_register_driver(struct zorro_driver *); extern void zorro_unregister_driver(struct zorro_driver *); extern const struct zorro_device_id *zorro_match_device(const struct zorro_device_id *ids, const struct zorro_dev *z); static inline struct zorro_driver *zorro_dev_driver(const struct zorro_dev *z) { return z->driver; } extern unsigned int zorro_num_autocon; /* # of autoconfig devices found */ |
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extern struct zorro_dev *zorro_autocon; /* * Minimal information about a Zorro device, passed from bootinfo * Only available temporarily, i.e. until initmem has been freed! */ struct zorro_dev_init { struct ExpansionRom rom; u16 slotaddr; u16 slotsize; u32 boardaddr; u32 boardsize; }; extern struct zorro_dev_init zorro_autocon_init[ZORRO_NUM_AUTO] __initdata; |
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/* * Zorro Functions */ extern struct zorro_dev *zorro_find_device(zorro_id id, struct zorro_dev *from); #define zorro_resource_start(z) ((z)->resource.start) #define zorro_resource_end(z) ((z)->resource.end) |
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#define zorro_resource_len(z) (resource_size(&(z)->resource)) |
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#define zorro_resource_flags(z) ((z)->resource.flags) #define zorro_request_device(z, name) \ request_mem_region(zorro_resource_start(z), zorro_resource_len(z), name) #define zorro_release_device(z) \ release_mem_region(zorro_resource_start(z), zorro_resource_len(z)) /* Similar to the helpers above, these manipulate per-zorro_dev * driver-specific data. They are really just a wrapper around * the generic device structure functions of these calls. */ static inline void *zorro_get_drvdata (struct zorro_dev *z) { return dev_get_drvdata(&z->dev); } static inline void zorro_set_drvdata (struct zorro_dev *z, void *data) { dev_set_drvdata(&z->dev, data); } |
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/* * Bitmask indicating portions of available Zorro II RAM that are unused * by the system. Every bit represents a 64K chunk, for a maximum of 8MB * (128 chunks, physical 0x00200000-0x009fffff). * * If you want to use (= allocate) portions of this RAM, you should clear * the corresponding bits. */ extern DECLARE_BITMAP(zorro_unused_z2ram, 128); #define Z2RAM_START (0x00200000) #define Z2RAM_END (0x00a00000) #define Z2RAM_SIZE (0x00800000) #define Z2RAM_CHUNKSIZE (0x00010000) #define Z2RAM_CHUNKMASK (0x0000ffff) #define Z2RAM_CHUNKSHIFT (16) |
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#endif /* _LINUX_ZORRO_H */ |