156 lines
5.3 KiB
C
156 lines
5.3 KiB
C
/* $NetBSD: grfvar.h,v 1.10 1997/03/31 07:34:19 scottr Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. 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 $Hdr: grfvar.h 1.11 93/08/13$
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*
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* @(#)grfvar.h 8.2 (Berkeley) 9/9/93
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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_data {
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int g_flags; /* software flags */
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struct grfsw *g_sw; /* static configuration info */
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caddr_t g_regkva; /* KVA of registers */
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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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/*
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* Static configuration info for display types
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*/
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struct grfsw {
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int gd_hwid; /* id returned by hardware */
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int gd_swid; /* id to be returned by software */
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char *gd_desc; /* description printed at config time */
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/* boot time init routine */
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int (*gd_init) __P((struct grf_data *, int, caddr_t));
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/* misc function routine */
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int (*gd_mode) __P((struct grf_data *, int, caddr_t));
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};
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struct grf_softc {
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struct device sc_dev; /* generic device info */
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int sc_scode; /* select code; for grfdevno() */
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struct grf_data *sc_data; /* display state information */
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struct ite_softc *sc_ite; /* pointer to ite; may be NULL */
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};
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struct grfdev_softc {
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struct device sc_dev; /* generic device info */
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struct grf_data *sc_data; /* generic grf data */
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int sc_scode; /* select code, -1 for intio */
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};
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/*
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* Set up by the hardware driver, and passed all the way down to
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* the ITE, if appropriate.
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*/
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struct grfdev_attach_args {
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int ga_scode; /* XXX select code, -1 for intio */
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int ga_isconsole; /* from hardware; is console? */
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void *ga_data; /* hardware-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_BSDOPEN 0x10
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#define GF_HPUXOPEN 0x20
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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_DESCRIBE 5
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#define GM_MAP 6
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#define GM_UNMAP 7
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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_data grf_cn; /* grf_data for console device */
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/* grf.c prototypes */
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int grfmap __P((dev_t, caddr_t *, struct proc *));
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int grfunmap __P((dev_t, caddr_t, struct proc *));
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int grfon __P((dev_t));
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int grfoff __P((dev_t));
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int grfaddr __P((struct grf_softc *, int));
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#ifdef COMPAT_HPUX
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int hpuxgrfioctl __P((dev_t, int, caddr_t, int, struct proc *));
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int grflock __P((struct grf_data *, int));
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int grfunlock __P((struct grf_data *));
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int grfdevno __P((dev_t));
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int iommap __P((dev_t, caddr_t *));
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int iounmmap __P((dev_t, caddr_t));
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int grffindpid __P((struct grf_data *));
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void grfrmpid __P((struct grf_data *));
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int grflckmmap __P((dev_t, caddr_t *));
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int grflckunmmap __P((dev_t, caddr_t));
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#endif /* COMPAT_HPUX */
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/* grf_subr.c prototypes */
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void grfdev_attach __P((struct grfdev_softc *,
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int (*init)(struct grf_data *, int, caddr_t),
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caddr_t, struct grfsw *));
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#endif /* _KERNEL */
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