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/* $OpenBSD: grfvar.h,v 1.4 1997/02/03 04:47:32 downsj Exp $ */
/* $NetBSD: grfvar.h,v 1.9 1997/01/30 09:18:51 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: grfvar.h 1.11 93/08/13$
*
* @(#)grfvar.h 8.2 (Berkeley) 9/9/93
*/
/* internal structure of lock page */
#define GRFMAXLCK 256
struct grf_lockpage {
u_char gl_locks[GRFMAXLCK];
};
#define gl_lockslot gl_locks[0]
/* per display info */
struct grf_data {
int g_flags; /* software flags */
struct grfsw *g_sw; /* static configuration info */
caddr_t g_regkva; /* KVA of registers */
caddr_t g_fbkva; /* KVA of framebuffer */
struct grfinfo g_display; /* hardware description (for ioctl) */
struct grf_lockpage *g_lock; /* lock page associated with device */
struct proc *g_lockp; /* process holding lock */
short *g_pid; /* array of pids with device open */
int g_lockpslot; /* g_pid entry of g_lockp */
caddr_t g_data; /* device dependent data */
};
/*
* Static configuration info for display types
*/
struct grfsw {
int gd_hwid; /* id returned by hardware */
int gd_swid; /* id to be returned by software */
char *gd_desc; /* description printed at config time */
/* boot time init routine */
int (*gd_init) __P((struct grf_data *, int, caddr_t));
/* misc function routine */
int (*gd_mode) __P((struct grf_data *, int, caddr_t));
};
struct grf_softc {
struct device sc_dev; /* generic device info */
int sc_scode; /* select code; for grfdevno() */
struct grf_data *sc_data; /* display state information */
struct ite_softc *sc_ite; /* pointer to ite; may be NULL */
};
struct grfdev_softc {
struct device sc_dev; /* generic device info */
struct grf_data *sc_data; /* generic grf data */
int sc_scode; /* select code, -1 for intio */
};
/*
* Set up by the hardware driver, and passed all the way down to
* the ITE, if appropriate.
*/
struct grfdev_attach_args {
int ga_scode; /* XXX select code, -1 for intio */
int ga_isconsole; /* from hardware; is console? */
void *ga_data; /* hardware-dependent data */
};
/* flags */
#define GF_ALIVE 0x01
#define GF_OPEN 0x02
#define GF_EXCLUDE 0x04
#define GF_WANTED 0x08
#define GF_BSDOPEN 0x10
#define GF_HPUXOPEN 0x20
/* requests to mode routine */
#define GM_GRFON 1
#define GM_GRFOFF 2
#define GM_GRFOVON 3
#define GM_GRFOVOFF 4
#define GM_DESCRIBE 5
#define GM_MAP 6
#define GM_UNMAP 7
/* minor device interpretation */
#define GRFOVDEV 0x10 /* overlay planes */
#define GRFIMDEV 0x20 /* images planes */
#define GRFUNIT(d) ((d) & 0x7)
#ifdef _KERNEL
extern struct grf_data grf_cn; /* grf_data for console device */
void grfdev_attach __P((struct grfdev_softc *,
int (*init)(struct grf_data *, int, caddr_t),
caddr_t, struct grfsw *));
#endif /* _KERNEL */
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