http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/zorro.h

/* * 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 #ifndef __ASSEMBLY__ #include <linux/device.h> /* * Each Zorro board has a 32-bit ID of the form * * mmmmmmmmmmmmmmmmppppppppeeeeeeee * * with * * mmmmmmmmmmmmmmmm 16-bit Manufacturer ID (assigned by CBM (sigh)) * pppppppp 8-bit Product ID (assigned by manufacturer) * eeeeeeee 8-bit Extended Product ID (currently only used * for some GVP boards) */ #define ZORRO_MANUF(id) ((id) >> 16) #define ZORRO_PROD(id) (((id) >> 8) & 0xff) #define ZORRO_EPC(id) ((id) & 0xff) #define ZORRO_ID(manuf, prod, epc) \ ((ZORRO_MANUF_##manuf << 16) | ((prod) << 8) | (epc)) typedef __u32 zorro_id; #define ZORRO_WILDCARD (0xffffffff) /* not official */ /* Include the ID list */ #include <linux/zorro_ids.h> /* * GVP identifies most of its products through the 'extended product code' * (epc). The epc has to be ANDed with the GVP_PRODMASK before the * identification. */ #define GVP_PRODMASK (0xf8) #define GVP_SCSICLKMASK (0x01) enum GVP_flags { GVP_IO = 0x01, GVP_ACCEL = 0x02, GVP_SCSI = 0x04, GVP_24BITDMA = 0x08, GVP_25BITDMA = 0x10, GVP_NOBANK = 0x20, GVP_14MHZ = 0x40, }; struct Node { struct Node *ln_Succ; /* Pointer to next (successor) */ struct Node *ln_Pred; /* Pointer to previous (predecessor) */ __u8 ln_Type; __s8 ln_Pri; /* Priority, for sorting */ __s8 *ln_Name; /* ID string, null terminated */ } __attribute__ ((packed)); struct ExpansionRom { /* -First 16 bytes of the expansion ROM */ __u8 er_Type; /* Board type, size and flags */ __u8 er_Product; /* Product number, assigned by manufacturer */ __u8 er_Flags; /* Flags */ __u8 er_Reserved03; /* Must be zero ($ff inverted) */ __u16 er_Manufacturer; /* Unique ID, ASSIGNED BY COMMODORE-AMIGA! */ __u32 er_SerialNumber; /* Available for use by manufacturer */ __u16 er_InitDiagVec; /* Offset to optional "DiagArea" structure */ __u8 er_Reserved0c; __u8 er_Reserved0d; __u8 er_Reserved0e; __u8 er_Reserved0f; } __attribute__ ((packed)); /* er_Type board type bits */ #define ERT_TYPEMASK 0xc0 #define ERT_ZORROII 0xc0 #define ERT_ZORROIII 0x80 /* other bits defined in er_Type */ #define ERTB_MEMLIST 5 /* Link RAM into free memory list */ #define ERTF_MEMLIST (1<<5) struct ConfigDev { struct Node cd_Node; __u8 cd_Flags; /* (read/write) */ __u8 cd_Pad; /* reserved */ struct ExpansionRom cd_Rom; /* copy of board's expansion ROM */ void *cd_BoardAddr; /* where in memory the board was placed */ __u32 cd_BoardSize; /* size of board in bytes */ __u16 cd_SlotAddr; /* which slot number (PRIVATE) */ __u16 cd_SlotSize; /* number of slots (PRIVATE) */ void *cd_Driver; /* pointer to node of driver */ struct ConfigDev *cd_NextCD; /* linked list of drivers to config */ __u32 cd_Unused[4]; /* for whatever the driver wants */ } __attribute__ ((packed)); #else /* __ASSEMBLY__ */ LN_Succ = 0 LN_Pred = LN_Succ+4 LN_Type = LN_Pred+4 LN_Pri = LN_Type+1 LN_Name = LN_Pri+1 LN_sizeof = LN_Name+4 ER_Type = 0 ER_Product = ER_Type+1 ER_Flags = ER_Product+1 ER_Reserved03 = ER_Flags+1 ER_Manufacturer = ER_Reserved03+1 ER_SerialNumber = ER_Manufacturer+2 ER_InitDiagVec = ER_SerialNumber+4 ER_Reserved0c = ER_InitDiagVec+2 ER_Reserved0d = ER_Reserved0c+1 ER_Reserved0e = ER_Reserved0d+1 ER_Reserved0f = ER_Reserved0e+1 ER_sizeof = ER_Reserved0f+1 CD_Node = 0 CD_Flags = CD_Node+LN_sizeof CD_Pad = CD_Flags+1 CD_Rom = CD_Pad+1 CD_BoardAddr = CD_Rom+ER_sizeof CD_BoardSize = CD_BoardAddr+4 CD_SlotAddr = CD_BoardSize+4 CD_SlotSize = CD_SlotAddr+2 CD_Driver = CD_SlotSize+2 CD_NextCD = CD_Driver+4 CD_Unused = CD_NextCD+4 CD_sizeof = CD_Unused+(4*4) #endif /* __ASSEMBLY__ */ #ifndef __ASSEMBLY__ #define ZORRO_NUM_AUTO 16 #ifdef __KERNEL__ #include <linux/init.h> #include <linux/ioport.h> #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 */ struct zorro_bus { struct list_head devices; /* list of devices on this bus */ unsigned int num_resources; /* number of resources */ struct resource resources[4]; /* address space routed to this bus */ struct device dev; char name[10]; }; extern struct zorro_bus zorro_bus; /* single Zorro bus */ extern struct bus_type zorro_bus_type; /* * Zorro device IDs */ struct zorro_device_id { zorro_id id; /* Device ID or ZORRO_WILDCARD */ unsigned long driver_data; /* Data private to the driver */ }; /* * 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 */ extern struct zorro_dev zorro_autocon[ZORRO_NUM_AUTO]; /* * 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) #define zorro_resource_len(z) ((z)->resource.end-(z)->resource.start+1) #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); } /* * A helper function which helps ensure correct zorro_driver * setup and cleanup for commonly-encountered hotplug/modular cases * * This MUST stay in a header, as it checks for -DMODULE */ static inline int zorro_module_init(struct zorro_driver *drv) { int rc = zorro_register_driver(drv); if (rc > 0) return 0; /* iff CONFIG_HOTPLUG and built into kernel, we should * leave the driver around for future hotplug events. * For the module case, a hotplug daemon of some sort * should load a module in response to an insert event. */ #if defined(CONFIG_HOTPLUG) && !defined(MODULE) if (rc == 0) return 0; #else if (rc == 0) rc = -ENODEV; #endif /* if we get here, we need to clean up Zorro driver instance * and return some sort of error */ zorro_unregister_driver(drv); return rc; } /* * 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) #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _LINUX_ZORRO_H */