Annotation of Net2/arch/hp300/dev/device.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1990 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     17:  * 4. Neither the name of the University nor the names of its contributors
                     18:  *    may be used to endorse or promote products derived from this software
                     19:  *    without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  *     @(#)device.h    7.3 (Berkeley) 5/7/91
                     34:  */
                     35: 
                     36: struct driver {
                     37:        int     (*d_init)();
                     38:        char    *d_name;
                     39:        int     (*d_start)();
                     40:        int     (*d_go)();
                     41:        int     (*d_intr)();
                     42:        int     (*d_done)();
                     43: };
                     44: 
                     45: struct hp_ctlr {
                     46:        struct driver   *hp_driver;
                     47:        int             hp_unit;
                     48:        int             hp_alive;
                     49:        char            *hp_addr;
                     50:        int             hp_flags;
                     51:        int             hp_ipl;
                     52: };
                     53: 
                     54: struct hp_device {
                     55:        struct driver   *hp_driver;
                     56:        struct driver   *hp_cdriver;
                     57:        int             hp_unit;
                     58:        int             hp_ctlr;
                     59:        int             hp_slave;
                     60:        char            *hp_addr;
                     61:        int             hp_dk;
                     62:        int             hp_flags;
                     63:        int             hp_alive;
                     64:        int             hp_ipl;
                     65: };
                     66: 
                     67: struct devqueue {
                     68:        struct  devqueue *dq_forw;
                     69:        struct  devqueue *dq_back;
                     70:        int     dq_ctlr;
                     71:        int     dq_unit;
                     72:        int     dq_slave;
                     73:        struct  driver *dq_driver;
                     74: };
                     75: 
                     76: #define        MAXCTLRS        16      /* Size of HW table (arbitrary) */
                     77: #define        MAXSLAVES       8       /* Slaves per controller (HPIB/SCSI limit) */
                     78: 
                     79: struct hp_hw {
                     80:        caddr_t hw_pa;          /* physical address of control space */
                     81:        int     hw_size;        /* size of control space */
                     82:        caddr_t hw_kva;         /* kernel virtual address of control space */
                     83:        short   hw_id;          /* HW returned id */
                     84:        short   hw_secid;       /* secondary HW id (displays) */
                     85:        short   hw_type;        /* type (defined below) */
                     86:        short   hw_sc;          /* select code (if applicable) */
                     87: };
                     88: 
                     89: /* bus types */
                     90: #define        B_MASK          0xE000
                     91: #define        B_DIO           0x2000
                     92: #define B_DIOII                0x4000
                     93: #define B_VME          0x6000
                     94: /* controller types */
                     95: #define        C_MASK          0x8F
                     96: #define C_FLAG         0x80
                     97: #define        C_HPIB          0x81
                     98: #define C_SCSI         0x82
                     99: #define C_VME          0x83
                    100: /* device types (controllers with no slaves) */
                    101: #define D_MASK         0x8F
                    102: #define        D_BITMAP        0x01
                    103: #define        D_LAN           0x02
                    104: #define        D_FPA           0x03
                    105: #define        D_KEYBOARD      0x04
                    106: #define        D_COMMDCA       0x05
                    107: #define        D_COMMDCM       0x06
                    108: #define        D_COMMDCL       0x07
                    109: #define        D_PPORT         0x08
                    110: #define        D_MISC          0x7F
                    111: 
                    112: #define HW_ISCTLR(hw)  ((hw)->hw_type & C_FLAG)
                    113: #define HW_ISDIOII(hw) ((hw)->hw_type & B_DIOII)
                    114: #define HW_ISHPIB(hw)  (((hw)->hw_type & C_MASK) == C_HPIB)
                    115: #define HW_ISSCSI(hw)  (((hw)->hw_type & C_MASK) == C_SCSI)
                    116: #define HW_ISDEV(hw,d) (((hw)->hw_type & D_MASK) == (d))
                    117: 
                    118: #ifdef KERNEL
                    119: extern struct hp_hw sc_table[];
                    120: extern struct hp_ctlr hp_cinit[];
                    121: extern struct hp_device hp_dinit[];
                    122: extern caddr_t sctova(), sctopa(), iomap();
                    123: #endif

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