usr/src/sys/hp300/dev/device.h

/*
 * Copyright (c) 1982, 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)device.h    7.3 (Berkeley) 5/7/91
 */

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;
};

#define MAXCTLRS        16      /* Size of HW table (arbitrary) */
#define MAXSLAVES       8       /* Slaves per controller (HPIB/SCSI limit) */

struct hp_hw {
        caddr_t hw_pa;          /* physical address of control space */
        int     hw_size;        /* size of control space */
        caddr_t hw_kva;         /* kernel virtual address of control space */
        short   hw_id;          /* HW returned id */
        short   hw_secid;       /* secondary HW id (displays) */
        short   hw_type;        /* type (defined below) */
        short   hw_sc;          /* select code (if applicable) */
};

/* bus types */
#define B_MASK          0xE000
#define B_DIO           0x2000
#define B_DIOII         0x4000
#define B_VME           0x6000
/* controller types */
#define C_MASK          0x8F
#define C_FLAG          0x80
#define C_HPIB          0x81
#define C_SCSI          0x82
#define C_VME           0x83
/* device types (controllers with no slaves) */
#define D_MASK          0x8F
#define D_BITMAP        0x01
#define D_LAN           0x02
#define D_FPA           0x03
#define D_KEYBOARD      0x04
#define D_COMMDCA       0x05
#define D_COMMDCM       0x06
#define D_COMMDCL       0x07
#define D_PPORT         0x08
#define D_MISC          0x7F

#define HW_ISCTLR(hw)   ((hw)->hw_type & C_FLAG)
#define HW_ISDIOII(hw)  ((hw)->hw_type & B_DIOII)
#define HW_ISHPIB(hw)   (((hw)->hw_type & C_MASK) == C_HPIB)
#define HW_ISSCSI(hw)   (((hw)->hw_type & C_MASK) == C_SCSI)
#define HW_ISDEV(hw,d)  (((hw)->hw_type & D_MASK) == (d))

#ifdef KERNEL
extern struct hp_hw sc_table[];
extern struct hp_ctlr hp_cinit[];
extern struct hp_device hp_dinit[];
extern caddr_t sctova(), sctopa(), iomap();
#endif