sys/arch/mac68k/dev/grfvar.h

   1 /*      $NetBSD: grfvar.h,v 1.28 2005/12/11 12:18:02 christos Exp $     */
   2
   3 /*
   4  * Copyright (c) 1990 The Regents of the University of California.
   5  * 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 $Hdr: grfvar.h 1.9 91/01/21$
  36  *
  37  *      @(#)grfvar.h    7.3 (Berkeley) 5/7/91
  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 $Hdr: grfvar.h 1.9 91/01/21$
  75  *
  76  *      @(#)grfvar.h    7.3 (Berkeley) 5/7/91
  77  */
  78
  79 #define CARD_NAME_LEN   64
  80
  81 /*
  82  * State info, per hardware instance.
  83  */
  84 struct grfbus_softc {
  85         struct  device  sc_dev;
  86         nubus_slot      sc_slot;
  87
  88         bus_addr_t              sc_basepa;      /* base of video space */
  89         bus_addr_t              sc_fbofs;       /* offset to framebuffer */
  90
  91         bus_space_tag_t         sc_tag;
  92         bus_space_handle_t      sc_handle;
  93         bus_space_handle_t      sc_regh;
  94
  95         struct  grfmode curr_mode;      /* hardware desc(for ioctl)     */
  96         u_int32_t       card_id;        /* DrHW value for nubus cards   */
  97         bus_size_t      cli_offset;     /* Offset to clear interrupt    */
  98                                         /* for cards where that's suff. */
  99         u_int32_t       cli_value;      /* Value to write at cli_offset */
 100         nubus_dir       board_dir;      /* Nubus dir for curr board     */
 101 };
 102
 103 /*
 104  * State info, per grf instance.
 105  */
 106 struct grf_softc {
 107         char sc_xname[15];              /* name of the device */
 108         struct macfb_softc *mfb_sc;
 109 };
 110
 111 /*
 112  * Attach grf and ite semantics to Mac video hardware.
 113  */
 114 struct grfbus_attach_args {
 115         const char      *ga_name;       /* name of semantics to attach */
 116         bus_space_tag_t ga_tag;         /* forwarded ... */
 117         bus_space_handle_t ga_handle;
 118         struct grfmode  *ga_grfmode;
 119         nubus_slot      *ga_slot;
 120         bus_addr_t      ga_phys;
 121         bus_addr_t      ga_fboff;
 122         int             (*ga_mode)(struct grf_softc *, int, void *);
 123 };
 124
 125 typedef void *(*grf_phys_t)(struct grf_softc *, vaddr_t);
 126
 127 /* flags */
 128 #define GF_ALIVE        0x01
 129 #define GF_OPEN         0x02
 130 #define GF_EXCLUDE      0x04
 131 #define GF_WANTED       0x08
 132 #define GF_BSDOPEN      0x10
 133 #define GF_HPUXOPEN     0x20
 134
 135 /* requests to mode routine */
 136 #define GM_GRFON        1
 137 #define GM_GRFOFF       2
 138 #define GM_CURRMODE     3
 139 #define GM_LISTMODES    4
 140 #define GM_NEWMODE      5
 141
 142 /* minor device interpretation */
 143 #define GRFUNIT(d)      (minor(d))
 144
 145 /*
 146  * Nubus image data structure.  This is the equivalent of a PixMap in
 147  * MacOS programming parlance.  One of these structures exists for each
 148  * video mode that a quickdraw compatible card can fit in.
 149  */
 150 struct image_data {
 151         u_int32_t       size;
 152         u_int32_t       offset;
 153         u_int16_t       rowbytes;
 154         u_int16_t       top;
 155         u_int16_t       left;
 156         u_int16_t       bottom;
 157         u_int16_t       right;
 158         u_int16_t       version;
 159         u_int16_t       packType;
 160         u_int32_t       packSize;
 161         u_int32_t       hRes;
 162         u_int32_t       vRes;
 163         u_int16_t       pixelType;
 164         u_int16_t       pixelSize;
 165         u_int16_t       cmpCount;
 166         u_int16_t       cmpSize;
 167         u_int32_t       planeBytes;
 168 };
 169
 170 #define VID_PARAMS              1
 171 #define VID_TABLE_OFFSET        2
 172 #define VID_PAGE_CNT            3
 173 #define VID_DEV_TYPE            4
 174
 175 void    grf_attach(struct macfb_softc *, int);
 176
 177 void    grf_establish(struct grfbus_softc *, nubus_slot *,
 178             int (*)(struct grf_softc *, int, void *));
 179 int     grfbusprint(void *, const char *);