|  | /* | 
|  | *  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 | 
|  |  | 
|  | #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)); | 
|  |  | 
|  | #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); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | *  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 /* __KERNEL__ */ | 
|  |  | 
|  | #endif /* _LINUX_ZORRO_H */ |