| /* |
| * 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 */ |