1 files changed, 329 insertions, 0 deletions

diff --git a/include/linux/zorro.h b/include/linux/zorro.h
new file mode 100644
index 000000000000..ba5b72768bbe
--- /dev/null
+++ b/include/linux/zorro.h
@@ -0,0 +1,329 @@
+/*
+ *  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 */