sys/arch/hp300/dev/hilvar.h

   1 /*      $NetBSD: hilvar.h,v 1.24 2007/12/31 13:38:49 ad Exp $   */
   2
   3 /*
   4  * Copyright (c) 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * the Systems Programming Group of the University of Utah Computer
   9  * Science Department.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * from: Utah $Hdr: hilvar.h 1.3 92/01/21$
  36  *
  37  *      @(#)hilvar.h    8.1 (Berkeley) 6/10/93
  38  */
  39 /*
  40  * Copyright (c) 1988 University of Utah.
  41  *
  42  * This code is derived from software contributed to Berkeley by
  43  * the Systems Programming Group of the University of Utah Computer
  44  * Science Department.
  45  *
  46  * Redistribution and use in source and binary forms, with or without
  47  * modification, are permitted provided that the following conditions
  48  * are met:
  49  * 1. Redistributions of source code must retain the above copyright
  50  *    notice, this list of conditions and the following disclaimer.
  51  * 2. Redistributions in binary form must reproduce the above copyright
  52  *    notice, this list of conditions and the following disclaimer in the
  53  *    documentation and/or other materials provided with the distribution.
  54  * 3. All advertising materials mentioning features or use of this software
  55  *    must display the following acknowledgement:
  56  *      This product includes software developed by the University of
  57  *      California, Berkeley and its contributors.
  58  * 4. Neither the name of the University nor the names of its contributors
  59  *    may be used to endorse or promote products derived from this software
  60  *    without specific prior written permission.
  61  *
  62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  72  * SUCH DAMAGE.
  73  *
  74  * from: Utah $Hdr: hilvar.h 1.3 92/01/21$
  75  *
  76  *      @(#)hilvar.h    8.1 (Berkeley) 6/10/93
  77  */
  78
  79 #define NHILD           8               /* 7 actual + loop pseudo (dev 0) */
  80 #define NHILQ           8               /* must be <= sizeof(int) */
  81
  82 #define HILBUFSIZE      40              /* size of interrupt poll buffer */
  83 #define HILMAXCLIST     1024            /* max chars in clists for HPUX io */
  84
  85 #define HILLOOPDEV      0               /* loop device index */
  86
  87 /*
  88  * Minor device numbers.
  89  * HP-UX uses 12 bits of the form:
  90  *      LLLLDDDD0000
  91  * where L is 4 bits of loop number, D 4 bits of device and 4 bits of 0.
  92  * BSD uses 8 bits:
  93  *      LLLLDDDD
  94  * Device files are in BSD format, we map device numbers to HP-UX format
  95  * on stat calls.
  96  */
  97 #define HILUNIT(d)      ((d) & 0xF)
  98 #define HILLOOP(d)      (((d)>>4) & 0xF)
  99
 100 #define hildevmask(d)   (1 << (d))
 101 #define hilqmask(q)     (1 << (q))
 102
 103 struct hiliqueue {
 104         HILQ    *hq_eventqueue;         /* input queue shared with user */
 105         struct  proc *hq_procp;         /* process this queue belongs to */
 106         char    hq_devmask;             /* devices mapped to this queue */
 107 };
 108
 109 struct hilloopdev {
 110         int     hd_flags;               /* device state */
 111         int     hd_qmask;               /* queues this device is mapped to */
 112         struct  clist hd_queue;         /* event queue for HPUX-style input */
 113         struct  selinfo hd_selr;        /* process read selecting */
 114         uid_t   hd_uid;                 /* uid of mapping process */
 115 };
 116
 117 /* hd_flags */
 118 #define HIL_ALIVE       0x01    /* device is present */
 119 #define HIL_PSEUDO      0x02    /* device is virtual */
 120 #define HIL_READIN      0x04    /* device using read() input interface */
 121 #define HIL_QUEUEIN     0x08    /* device using shared Q input interface */
 122 #define HIL_OPENED      0x10    /* flag for first open */
 123 #define HIL_NOBLOCK     0x20    /* device is in non-blocking read mode */
 124 #define HIL_ASLEEP      0x40    /* process awaiting input on device */
 125 #define HIL_DERROR      0x80    /* loop has reconfigured, reality altered */
 126
 127 struct hil_softc {
 128         device_t sc_dev;
 129         struct  hil_dev *sc_addr;       /* base of hardware registers */
 130         uint8_t sc_cmddone;             /* */
 131         uint8_t sc_cmdending;           /* */
 132         uint8_t sc_actdev;              /* current input device */
 133         uint8_t sc_cmddev;              /* device to perform command on */
 134         uint8_t sc_pollbuf[HILBUFSIZE]; /* interrupt time input buffer */
 135         uint8_t sc_cmdbuf[HILBUFSIZE];  /* */
 136         uint8_t *sc_pollbp;             /* pointer into hl_pollbuf */
 137         uint8_t *sc_cmdbp;              /* pointer into hl_cmdbuf */
 138         struct  hiliqueue sc_queue[NHILQ];      /* input queues */
 139         struct  hilloopdev sc_device[NHILD];    /* device data */
 140         uint8_t sc_maxdev;              /* number of devices on loop */
 141         uint8_t sc_kbddev;              /* keyboard device on loop */
 142         uint8_t sc_kbdlang;             /* keyboard language */
 143         uint8_t sc_kbdflags;            /* keyboard state */
 144 #if NRND > 0
 145         rndsource_element_t rnd_source;
 146 #endif
 147 };
 148
 149 /* hl_kbdflags */
 150 #define KBD_RAW         0x01            /* keyboard is raw */
 151 #define KBD_AR1         0x02            /* keyboard auto-repeat rate 1 */
 152 #define KBD_AR2         0x04            /* keyboard auto-repeat rate 2 */
 153
 154 #ifdef _KERNEL
 155 void    hilkbdbell(void *);
 156 void    hilkbdenable(void *);
 157 void    hilkbddisable(void *);
 158 int     hilkbdcngetc(int *);
 159 int     hilkbdcnattach(bus_space_tag_t, bus_addr_t);
 160
 161 int     kbdnmi(void);
 162
 163 void    hilsoftinit(int, struct hil_dev *);
 164 void    hilinit(int, struct hil_dev *);
 165
 166 void    send_hil_cmd(struct hil_dev *, u_char,
 167                                 u_char *, u_char, u_char *);
 168 void    send_hildev_cmd(struct hil_softc *, char, char);
 169
 170 void    polloff(struct hil_dev *);
 171 void    pollon(struct hil_dev *);
 172
 173 #endif /* _KERNEL */