104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah $Hdr: grfvar.h 1.9 91/01/21$
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*
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* @(#)grfvar.h 7.3 (Berkeley) 5/7/91
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*/
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/* internal structure of lock page */
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#define GRFMAXLCK 256
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struct grf_lockpage {
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u_char gl_locks[GRFMAXLCK];
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};
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#define gl_lockslot gl_locks[0]
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/* per display info */
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struct grf_softc {
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int g_flags; /* software flags */
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int g_type; /* type of display */
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volatile caddr_t g_regkva; /* KVA of registers */
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volatile caddr_t g_fbkva; /* KVA of framebuffer */
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struct grfinfo g_display; /* hardware description (for ioctl) */
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struct grf_lockpage *g_lock; /* lock page associated with device */
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struct proc *g_lockp; /* process holding lock */
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short *g_pid; /* array of pids with device open */
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int g_lockpslot; /* g_pid entry of g_lockp */
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caddr_t g_data; /* device dependent data */
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};
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/* flags */
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#define GF_ALIVE 0x01
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#define GF_OPEN 0x02
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#define GF_EXCLUDE 0x04
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#define GF_WANTED 0x08
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#define GF_GRFON 0x10
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/* display types - indices into grfdev */
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#define GT_CUSTOMCHIPS 0
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#define GT_TIGA_A2410 1
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#define GT_RETINA 2
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struct grfdev {
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int gd_manuf;
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int gd_prod; /* autoconfig<69> parameters */
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int (*gd_init)(); /* boot time initialization */
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int (*gd_mode)(); /* misc functions */
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char *gd_desc; /* text description */
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};
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/* software ids defined in grfioctl.h */
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/* requests to mode routine */
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#define GM_GRFON 1
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#define GM_GRFOFF 2
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#define GM_GRFOVON 3
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#define GM_GRFOVOFF 4
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#define GM_GRFCONFIG 5
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#define GM_GRFGETVMODE 6
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#define GM_GRFSETVMODE 7
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#define GM_GRFGETNUMVM 8
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/* minor device interpretation */
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#define GRFOVDEV 0x10 /* overlay planes */
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#define GRFIMDEV 0x20 /* images planes */
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#define GRFUNIT(d) ((d) & 0x7)
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#ifdef KERNEL
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extern struct grf_softc grf_softc[];
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#endif
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