sys/arch/hp300/dev/grfvar.h

   1 /*      $NetBSD: grfvar.h,v 1.23 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 $Hdr: grfvar.h 1.11 93/08/13$
  36  *
  37  *      @(#)grfvar.h    8.2 (Berkeley) 9/9/93
  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 $Hdr: grfvar.h 1.11 93/08/13$
  75  *
  76  *      @(#)grfvar.h    8.2 (Berkeley) 9/9/93
  77  */
  78
  79 /* internal structure of lock page */
  80 #define GRFMAXLCK       256
  81 struct  grf_lockpage {
  82         u_char  gl_locks[GRFMAXLCK];
  83 };
  84 #define gl_lockslot gl_locks[0]
  85
  86 /* per display info */
  87 struct  grf_data {
  88         int     g_flags;                /* software flags */
  89         struct  grfsw *g_sw;            /* static configuration info */
  90         uint8_t *g_regkva;              /* KVA of registers */
  91         uint8_t *g_fbkva;               /* KVA of framebuffer */
  92         struct  grfinfo g_display;      /* hardware description (for ioctl) */
  93         struct  grf_lockpage *g_lock;   /* lock page associated with device */
  94         struct  proc *g_lockp;          /* process holding lock */
  95         short   *g_pid;                 /* array of pids with device open */
  96         int     g_lockpslot;            /* g_pid entry of g_lockp */
  97         void *  g_data;                 /* device dependent data */
  98 };
  99
 100 /*
 101  * Static configuration info for display types
 102  */
 103 struct  grfsw {
 104         int     gd_hwid;        /* id returned by hardware */
 105         int     gd_swid;        /* id to be returned by software */
 106         const char *gd_desc;    /* description printed at config time */
 107                                 /* boot time init routine */
 108         int     (*gd_init)(struct grf_data *, int, uint8_t *);
 109                                 /* misc function routine */
 110         int     (*gd_mode)(struct grf_data *, int, void *);
 111 };
 112
 113 struct  grf_softc {
 114         device_t sc_dev;                /* generic device info */
 115         int     sc_scode;               /* select code; for grfdevno() */
 116         struct  grf_data *sc_data;      /* display state information */
 117         struct  ite_softc *sc_ite;      /* pointer to ite; may be NULL */
 118 };
 119
 120 struct  grfdev_softc {
 121         device_t sc_dev;                /* generic device info */
 122         struct  grf_data *sc_data;      /* generic grf data */
 123         int     sc_scode;               /* select code, -1 for intio */
 124         int     sc_isconsole;           /* device is the console */
 125 };
 126
 127 /*
 128  * Set up by the hardware driver, and passed all the way down to
 129  * the ITE, if appropriate.
 130  */
 131 struct  grfdev_attach_args {
 132         int     ga_scode;               /* XXX select code, -1 for intio */
 133         int     ga_isconsole;           /* from hardware; is console? */
 134         void    *ga_data;               /* hardware-dependent data */
 135 };
 136
 137 /* flags */
 138 #define GF_ALIVE        0x01
 139 #define GF_OPEN         0x02
 140 #define GF_EXCLUDE      0x04
 141 #define GF_WANTED       0x08
 142 #define GF_BSDOPEN      0x10
 143 #define GF_HPUXOPEN     0x20
 144
 145 /* requests to mode routine */
 146 #define GM_GRFON        1
 147 #define GM_GRFOFF       2
 148 #define GM_GRFOVON      3
 149 #define GM_GRFOVOFF     4
 150 #define GM_DESCRIBE     5
 151 #define GM_MAP          6
 152 #define GM_UNMAP        7
 153
 154 /* minor device interpretation */
 155 #define GRFOVDEV        0x10    /* overlay planes */
 156 #define GRFIMDEV        0x20    /* images planes */
 157 #define GRFUNIT(d)      ((d) & 0x7)
 158
 159 #ifdef _KERNEL
 160 extern  struct grf_data grf_cn;         /* grf_data for console device */
 161
 162 /* grf.c prototypes */
 163 int     grfmap(dev_t, void **, struct proc *);
 164 int     grfunmap(dev_t, void *, struct proc *);
 165 int     grfon(dev_t);
 166 int     grfoff(dev_t);
 167 paddr_t grfaddr(struct grf_softc *, off_t);
 168
 169 /* grf_subr.c prototypes */
 170 void    grfdev_attach(struct grfdev_softc *,
 171             int (*init)(struct grf_data *, int, uint8_t *),
 172             void *, struct grfsw *);
 173
 174 #endif /* _KERNEL */