.ref-BSD-4_3_Reno/usr/src/sys/hpdev/device.h

/*
 * Copyright (c) 1982, 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  Neither the name of the University nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)device.h    7.2 (Berkeley) 5/25/90
 */

struct driver {
        int     (*d_init)();
        char    *d_name;
        int     (*d_start)();
        int     (*d_go)();
        int     (*d_intr)();
        int     (*d_done)();
};

struct hp_ctlr {
        struct driver   *hp_driver;
        int             hp_unit;
        int             hp_alive;
        char            *hp_addr;
        int             hp_flags;
        int             hp_ipl;
};

struct hp_device {
        struct driver   *hp_driver;
        struct driver   *hp_cdriver;
        int             hp_unit;
        int             hp_ctlr;
        int             hp_slave;
        char            *hp_addr;
        int             hp_dk;
        int             hp_flags;
        int             hp_alive;
        int             hp_ipl;
};

struct  devqueue {
        struct  devqueue *dq_forw;
        struct  devqueue *dq_back;
        int     dq_ctlr;
        int     dq_unit;
        int     dq_slave;
        struct  driver *dq_driver;
};

struct hp_hw {
        char    *hw_addr;       /* physical address of registers */
        short   hw_sc;          /* select code (if applicable) */
        short   hw_type;        /* type (defined below) */
        short   hw_id;          /* HW returned id */
        short   hw_id2;         /* secondary HW id (displays) */
        char    *hw_name;       /* HP product name */
};

#define MAX_CTLR        16      /* Totally arbitrary */
#define MAXSLAVES       8       /* Currently the HPIB limit */

#define WILD_CARD_CTLR  0

/* A controller is a card which can have one or more slaves attached */
#define CONTROLLER      0x10
#define HPIB            0x16
#define SCSI            0x17
#define VME             0x18
#define FLINK           0x19

/* Slaves are devices which attach to controllers, e.g. disks, tapes */
#define RD              0x2a
#define PPI             0x2b
#define CT              0x2c

/* These are not controllers, but may have their own HPIB address */
#define BITMAP          1
#define NET             2
#define FPA             4
#define MISC            5
#define KEYBOARD        6
#define COMMDCA         7
#define COMMDCM         8
#define COMMDCL         9
#define PPORT           10

#ifdef KERNEL
extern struct hp_ctlr   hp_cinit[];
extern struct hp_device hp_dinit[];
extern struct hp_hw     sc_table[];
#endif