sys/dev/sun/fbvar.h

   1 /*      $NetBSD: fbvar.h,v 1.11 2007/03/04 06:02:45 christos Exp $ */
   2
   3 /*
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This software was developed by the Computer Systems Engineering group
   8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
   9  * contributed to Berkeley.
  10  *
  11  * All advertising materials mentioning features or use of this software
  12  * must display the following acknowledgement:
  13  *      This product includes software developed by the University of
  14  *      California, Lawrence Berkeley Laboratory.
  15  *
  16  * Redistribution and use in source and binary forms, with or without
  17  * modification, are permitted provided that the following conditions
  18  * are met:
  19  * 1. Redistributions of source code must retain the above copyright
  20  *    notice, this list of conditions and the following disclaimer.
  21  * 2. Redistributions in binary form must reproduce the above copyright
  22  *    notice, this list of conditions and the following disclaimer in the
  23  *    documentation and/or other materials provided with the distribution.
  24  * 3. Neither the name of the University nor the names of its contributors
  25  *    may be used to endorse or promote products derived from this software
  26  *    without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  38  * SUCH DAMAGE.
  39  *
  40  *      @(#)fbvar.h     8.1 (Berkeley) 6/11/93
  41  */
  42
  43 /*
  44  * Frame buffer variables.  All frame buffer drivers must provide the
  45  * following in order to participate.
  46  */
  47
  48 #include <sys/event.h>
  49
  50 #include <dev/rcons/rcons.h>
  51 #include <dev/wscons/wsdisplayvar.h>
  52 #include <dev/rasops/rasops.h>
  53
  54 struct fbdriver {
  55         /* device unblank function (force kernel output to display) */
  56         void    (*fbd_unblank)(device_t);
  57         int     (*fbd_open)(dev_t, int, int, struct lwp *);
  58         int     (*fbd_close)(dev_t, int, int, struct lwp *);
  59         int     (*fbd_ioctl)(dev_t, u_long, void *, int, struct lwp *);
  60         int     (*fbd_poll)(dev_t, int, struct lwp *);
  61         paddr_t (*fbd_mmap)(dev_t, off_t, int);
  62         int     (*fbd_kqfilter)(dev_t, struct knote *);
  63 #ifdef notyet
  64         /*
  65          * XXX redundant idea? these can hook into rasops on a per-device
  66          * basis like: fb_rinfo.ri_ops.copycols = ....;
  67          */
  68         void    (*fbd_wrrop)();         /* `write region' rasterop */
  69         void    (*fbd_cprop)();         /* `copy region' rasterop */
  70         void    (*fbd_clrop)();         /* `clear region' rasterop */
  71 #endif
  72 };
  73
  74 struct fbdevice {
  75         int     fb_major;               /* XXX */
  76         struct  fbtype fb_type;         /* what it says */
  77         void *  fb_pixels;              /* display RAM */
  78         int     fb_linebytes;           /* bytes per display line */
  79
  80         struct  fbdriver *fb_driver;    /* pointer to driver */
  81         device_t        fb_device;      /* parameter for fbd_unblank */
  82
  83         int     fb_flags;               /* misc. flags */
  84 #define FB_FORCE        0x00000001      /* force device into /dev/fb */
  85 #define FB_PFOUR        0x00010000      /* indicates fb is a pfour fb */
  86 #define FB_USERMASK     (FB_FORCE)      /* flags that the user can set */
  87
  88         volatile u_int32_t *fb_pfour;   /* pointer to pfour register */
  89
  90 #ifdef RASTERCONSOLE
  91         /* Raster console emulator state */
  92         struct  rconsole fb_rcons;
  93 #endif
  94         /* for wsdisplay we always need rasops_info */
  95         struct  rasops_info fb_rinfo;
  96 };
  97
  98 void    fb_attach(struct fbdevice *, int);
  99 void    fb_setsize_obp(struct fbdevice *, int, int, int, int);
 100 void    fb_setsize_eeprom(struct fbdevice *, int, int, int);
 101 void    fb_setsize_pfour(struct fbdevice *);
 102 int     fb_is_console(int);
 103 #ifdef RASTERCONSOLE
 104 void    fbrcons_init(struct fbdevice *);
 105 int     fbrcons_rows(void);
 106 int     fbrcons_cols(void);
 107 #endif
 108
 109 int     fb_pfour_id(volatile void *);
 110 int     fb_pfour_get_video(struct fbdevice *);
 111 void    fb_pfour_set_video(struct fbdevice *, int);