[unix-history] / usr / src / sys / hp / dev / grf.c

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 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.
 *
 * %sccs.include.redist.c%
 *
 * from: Utah $Hdr: grf.c 1.28 89/08/14$
 *
 *	@(#)grf.c	7.7 (Berkeley) %G%
 */

/*
 * Graphics display driver for the HP300.
 * This is the hardware-independent portion of the driver.
 * Hardware access is through the grfdev routines below.
 */

#include "grf.h"
#if NGRF > 0

#include "param.h"
#include "proc.h"
#include "ioctl.h"
#include "file.h"
#include "malloc.h"

#include "device.h"
#include "grfioctl.h"
#include "grfvar.h"

#include "machine/cpu.h"

#ifdef HPUXCOMPAT
#include "../hpux/hpux.h"
#endif

#include "vm/vm.h"
#include "vm/vm_kern.h"
#include "vm/vm_page.h"
#include "vm/vm_pager.h"

#include "specdev.h"
#include "vnode.h"
#include "mman.h"

#include "ite.h"
#if NITE == 0
#define	iteon(u,f)
#define	iteoff(u,f)
#endif

int	grfprobe();
int	tc_init(), tc_mode();
int	gb_init(), gb_mode();
int	rb_init(), rb_mode();
int	dv_init(), dv_mode();

struct grfdev grfdev[] = {
	GID_TOPCAT,	GRFBOBCAT,	tc_init,	tc_mode,
	"topcat",
	GID_GATORBOX,	GRFGATOR,	gb_init,	gb_mode,
	"gatorbox",
	GID_RENAISSANCE,GRFRBOX,	rb_init,	rb_mode,
	"renaissance",
	GID_LRCATSEYE,	GRFCATSEYE,	tc_init,	tc_mode,
	"lo-res catseye",
	GID_HRCCATSEYE,	GRFCATSEYE,	tc_init,	tc_mode,
	"hi-res catseye",
	GID_HRMCATSEYE,	GRFCATSEYE,	tc_init,	tc_mode,
	"hi-res catseye",
	GID_DAVINCI,    GRFDAVINCI,	dv_init,	dv_mode,
	"davinci",
};
int	ngrfdev = sizeof(grfdev) / sizeof(grfdev[0]);

struct	driver grfdriver = { grfprobe, "grf" };
struct	grf_softc grf_softc[NGRF];

#ifdef DEBUG
int grfdebug = 0;
#define GDB_DEVNO	0x01
#define GDB_MMAP	0x02
#define GDB_IOMAP	0x04
#define GDB_LOCK	0x08
#endif

/*
 * XXX: called from ite console init routine.
 * Does just what configure will do later but without printing anything.
 */
grfconfig()
{
	register caddr_t addr;
	register struct hp_hw *hw;
	register struct hp_device *hd, *nhd;

	for (hw = sc_table; hw->hw_type; hw++) {
	        if (hw->hw_type != BITMAP)
			continue;
		/*
		 * Found one, now match up with a logical unit number
		 */
		nhd = NULL;		
		addr = hw->hw_addr;
		for (hd = hp_dinit; hd->hp_driver; hd++) {
			if (hd->hp_driver != &grfdriver || hd->hp_alive)
				continue;
			/*
			 * Wildcarded.  If first, remember as possible match.
			 */
			if (hd->hp_addr == NULL) {
				if (nhd == NULL)
					nhd = hd;
				continue;
			}
			/*
			 * Not wildcarded.
			 * If exact match done searching, else keep looking.
			 */
			if ((caddr_t)sctoaddr(hd->hp_addr) == addr) {
				nhd = hd;
				break;
			}
		}
		/*
		 * Found a match, initialize
		 */
		if (nhd && grfinit(addr, nhd->hp_unit)) {
			nhd->hp_addr = addr;
		}
	}
}

/*
 * Normal init routine called by configure() code
 */
grfprobe(hd)
	struct hp_device *hd;
{
	struct grf_softc *gp = &grf_softc[hd->hp_unit];

	if ((gp->g_flags & GF_ALIVE) == 0 &&
	    !grfinit(hd->hp_addr, hd->hp_unit))
		return(0);
	printf("grf%d: %d x %d ", hd->hp_unit,
	       gp->g_display.gd_dwidth, gp->g_display.gd_dheight);
	if (gp->g_display.gd_colors == 2)
		printf("monochrome");
	else
		printf("%d color", gp->g_display.gd_colors);
	printf(" %s display\n", grfdev[gp->g_type].gd_desc);
	return(1);
}

grfinit(addr, unit)
	caddr_t addr;
{
	struct grf_softc *gp = &grf_softc[unit];
	struct grfreg *gr;
	register struct grfdev *gd;

	gr = (struct grfreg *) addr;
	if (gr->gr_id != GRFHWID)
		return(0);
	for (gd = grfdev; gd < &grfdev[ngrfdev]; gd++)
		if (gd->gd_hardid == gr->gr_id2)
			break;
	if (gd < &grfdev[ngrfdev] && (*gd->gd_init)(gp, addr)) {
		gp->g_display.gd_id = gd->gd_softid;
		gp->g_type = gd - grfdev;
		gp->g_flags = GF_ALIVE;
		return(1);
	}
	return(0);
}

/*ARGSUSED*/
grfopen(dev, flags)
	dev_t dev;
{
	int unit = GRFUNIT(dev);
	register struct grf_softc *gp = &grf_softc[unit];
	int error = 0;

	if (unit >= NGRF || (gp->g_flags & GF_ALIVE) == 0)
		return(ENXIO);
	if ((gp->g_flags & (GF_OPEN|GF_EXCLUDE)) == (GF_OPEN|GF_EXCLUDE))
		return(EBUSY);
#ifdef HPUXCOMPAT
	/*
	 * XXX: cannot handle both HPUX and BSD processes at the same time
	 */
	if (curproc->p_flag & SHPUX)
		if (gp->g_flags & GF_BSDOPEN)
			return(EBUSY);
		else
			gp->g_flags |= GF_HPUXOPEN;
	else
		if (gp->g_flags & GF_HPUXOPEN)
			return(EBUSY);
		else
			gp->g_flags |= GF_BSDOPEN;
#endif
	/*
	 * First open.
	 * XXX: always put in graphics mode.
	 */
	error = 0;
	if ((gp->g_flags & GF_OPEN) == 0) {
		gp->g_flags |= GF_OPEN;
		error = grfon(dev);
	}
	return(error);
}

/*ARGSUSED*/
grfclose(dev, flags)
	dev_t dev;
{
	register struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];

	(void) grfoff(dev);
	(void) grfunlock(gp);
	gp->g_flags &= GF_ALIVE;
	return(0);
}

/*ARGSUSED*/
grfioctl(dev, cmd, data, flag, p)
	dev_t dev;
	caddr_t data;
	struct proc *p;
{
	register struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	int error;

#ifdef HPUXCOMPAT
	if (p->p_flag & SHPUX)
		return(hpuxgrfioctl(dev, cmd, data, flag, p));
#endif
	error = 0;
	switch (cmd) {

	/* XXX: compatibility hack */
	case OGRFIOCGINFO:
		bcopy((caddr_t)&gp->g_display, data, sizeof(struct ogrfinfo));
		break;

	case GRFIOCGINFO:
		bcopy((caddr_t)&gp->g_display, data, sizeof(struct grfinfo));
		break;

	case GRFIOCON:
		error = grfon(dev);
		break;

	case GRFIOCOFF:
		error = grfoff(dev);
		break;

	case GRFIOCMAP:
		error = grfmmap(dev, (caddr_t *)data, p);
		break;

	case GRFIOCUNMAP:
		error = grfunmmap(dev, *(caddr_t *)data, p);
		break;

	default:
		error = EINVAL;
		break;

	}
	return(error);
}

/*ARGSUSED*/
grfselect(dev, rw)
	dev_t dev;
{
	if (rw == FREAD)
		return(0);
	return(1);
}

grflock(gp, block)
	register struct grf_softc *gp;
	int block;
{
	struct proc *p = curproc;		/* XXX */
	int error;
	extern char devioc[];

#ifdef DEBUG
	if (grfdebug & GDB_LOCK)
		printf("grflock(%d): dev %x flags %x lockpid %x\n",
		       p->p_pid, gp-grf_softc, gp->g_flags,
		       gp->g_lockp ? gp->g_lockp->p_pid : -1);
#endif
#ifdef HPUXCOMPAT
	if (gp->g_pid) {
#ifdef DEBUG
		if (grfdebug & GDB_LOCK)
			printf("  lock[0] %d lockslot %d lock[lockslot] %d\n",
			       gp->g_locks[0], gp->g_lockpslot,
			       gp->g_locks[gp->g_lockpslot]);
#endif
		gp->g_locks[0] = 0;
		if (gp->g_locks[gp->g_lockpslot] == 0) {
			gp->g_lockp = NULL;
			gp->g_lockpslot = 0;
		}
	}
#endif
	if (gp->g_lockp) {
		if (gp->g_lockp == p)
			return(EBUSY);
		if (!block)
			return(EAGAIN);
		do {
			gp->g_flags |= GF_WANTED;
			if (error = tsleep((caddr_t)&gp->g_flags,
					   (PZERO+1) | PCATCH, devioc, 0))
				return (error);
		} while (gp->g_lockp);
	}
	gp->g_lockp = p;
#ifdef HPUXCOMPAT
	if (gp->g_pid) {
		int slot = grffindpid(gp);
#ifdef DEBUG
		if (grfdebug & GDB_LOCK)
			printf("  slot %d\n", slot);
#endif
		gp->g_lockpslot = gp->g_locks[0] = slot;
		gp->g_locks[slot] = 1;
	}
#endif
	return(0);
}

grfunlock(gp)
	register struct grf_softc *gp;
{
#ifdef DEBUG
	if (grfdebug & GDB_LOCK)
		printf("grfunlock(%d): dev %x flags %x lockpid %d\n",
		       curproc->p_pid, gp-grf_softc, gp->g_flags,
		       gp->g_lockp ? gp->g_lockp->p_pid : -1);
#endif
	if (gp->g_lockp != curproc)
		return(EBUSY);
#ifdef HPUXCOMPAT
	if (gp->g_pid) {
#ifdef DEBUG
		if (grfdebug & GDB_LOCK)
			printf("  lock[0] %d lockslot %d lock[lockslot] %d\n",
			       gp->g_locks[0], gp->g_lockpslot,
			       gp->g_locks[gp->g_lockpslot]);
#endif
		gp->g_locks[gp->g_lockpslot] = gp->g_locks[0] = 0;
		gp->g_lockpslot = 0;
	}
#endif
	if (gp->g_flags & GF_WANTED) {
		wakeup((caddr_t)&gp->g_flags); 
		gp->g_flags &= ~GF_WANTED;
	}
	gp->g_lockp = NULL;
	return(0);
}

/*ARGSUSED*/
grfmap(dev, off, prot)
	dev_t dev;
{
	return(grfaddr(&grf_softc[GRFUNIT(dev)], off));
}

#ifdef HPUXCOMPAT

/*ARGSUSED*/
hpuxgrfioctl(dev, cmd, data, flag, p)
	dev_t dev;
	caddr_t data;
	struct proc *p;
{
	register struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	int error;

	error = 0;
	switch (cmd) {

	case GCID:
		*(int *)data = gp->g_display.gd_id;
		break;

	case GCON:
		error = grfon(dev);
		break;

	case GCOFF:
		error = grfoff(dev);
		break;

	case GCLOCK:
		error = grflock(gp, 1);
		break;

	case GCUNLOCK:
		error = grfunlock(gp);
		break;

	case GCAON:
	case GCAOFF:
		break;

	/* GCSTATIC is implied by our implementation */
	case GCSTATIC_CMAP:
	case GCVARIABLE_CMAP:
		break;

	/* map in control regs and frame buffer */
	case GCMAP:
		error = grfmmap(dev, (caddr_t *)data, p);
		break;

	case GCUNMAP:
		error = grfunmmap(dev, *(caddr_t *)data, p);
		/* XXX: HP-UX uses GCUNMAP to get rid of GCSLOT memory */
		if (error)
			error = grflckunmmap(dev, *(caddr_t *)data);
		break;

	case GCSLOT:
	{
		struct grf_slot *sp = (struct grf_slot *)data;

		sp->slot = grffindpid(gp);
		if (sp->slot) {
			error = grflckmmap(dev, (caddr_t *)&sp->addr);
			if (error && gp->g_pid) {
				free((caddr_t)gp->g_pid, M_DEVBUF);
				gp->g_pid = NULL;
			}
		} else
			error = EINVAL;		/* XXX */
		break;
	}

	/*
	 * XXX: only used right now to map in rbox control registers
	 * Will be replaced in the future with a real IOMAP interface.
	 */
	case IOMAPMAP:
		error = iommap(dev, (caddr_t *)data);
#if 0
		/*
		 * It may not be worth kludging this (using p_devtmp) to
		 * make this work.  It was an undocumented side-effect
		 * in HP-UX that the mapped address was the return value
		 * of the ioctl.  The only thing I remember that counted
		 * on this behavior was the rbox X10 server.
		 */
		if (!error)
			u.u_r.r_val1 = *(int *)data;	/* XXX: this sux */
#endif
		break;

	case IOMAPUNMAP:
		error = iounmmap(dev, *(caddr_t *)data);
		break;

	default:
		error = EINVAL;
		break;
	}
	return(error);
}

#endif

grfon(dev)
	dev_t dev;
{
	int unit = GRFUNIT(dev);
	struct grf_softc *gp = &grf_softc[unit];

	/*
	 * XXX: iteoff call relies on devices being in same order
	 * as ITEs and the fact that iteoff only uses the minor part
	 * of the dev arg.
	 */
	iteoff(unit, 3);
	return((*grfdev[gp->g_type].gd_mode)
			(gp, (dev&GRFOVDEV) ? GM_GRFOVON : GM_GRFON));
}

grfoff(dev)
	dev_t dev;
{
	int unit = GRFUNIT(dev);
	struct grf_softc *gp = &grf_softc[unit];
	int error;

	(void) grfunmmap(dev, (caddr_t)0, curproc);
	error = (*grfdev[gp->g_type].gd_mode)
			(gp, (dev&GRFOVDEV) ? GM_GRFOVOFF : GM_GRFOFF);
	/* XXX: see comment for iteoff above */
	iteon(unit, 2);
	return(error);
}

grfaddr(gp, off)
	struct grf_softc *gp;
	register int off;
{
	register struct grfinfo *gi = &gp->g_display;

	/* control registers */
	if (off >= 0 && off < gi->gd_regsize)
		return(((u_int)gi->gd_regaddr + off) >> PGSHIFT);

	/* frame buffer */
	if (off >= gi->gd_regsize && off < gi->gd_regsize+gi->gd_fbsize) {
		off -= gi->gd_regsize;
		return(((u_int)gi->gd_fbaddr + off) >> PGSHIFT);
	}
	/* bogus */
	return(-1);
}

#ifdef HPUXCOMPAT
/*
 * Convert a BSD style minor devno to HPUX style.
 * We cannot just create HPUX style nodes as they require 24 bits
 * of minor device number and we only have 8.
 * XXX: This may give the wrong result for remote stats of other
 * machines where device 10 exists.
 */
grfdevno(dev)
	dev_t dev;
{
	int unit = GRFUNIT(dev);
	struct grf_softc *gp = &grf_softc[unit];
	int newdev;

	if (unit >= NGRF || (gp->g_flags&GF_ALIVE) == 0)
		return(bsdtohpuxdev(dev));
	/* magic major number */
	newdev = 12 << 24;
	/* now construct minor number */
	if (gp->g_display.gd_regaddr != (caddr_t)GRFIADDR)
		newdev |= ((u_int)gp->g_display.gd_regaddr-EXTIOBASE) | 0x200;
	if (dev & GRFIMDEV)
		newdev |= 0x02;
	else if (dev & GRFOVDEV)
		newdev |= 0x01;
#ifdef DEBUG
	if (grfdebug & GDB_DEVNO)
		printf("grfdevno: dev %x newdev %x\n", dev, newdev);
#endif
	return(newdev);
}
#endif

grfmmap(dev, addrp, p)
	dev_t dev;
	caddr_t *addrp;
	struct proc *p;
{
	struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	int len, error;
	struct vnode vn;
	struct specinfo si;
	int flags;

#ifdef DEBUG
	if (grfdebug & GDB_MMAP)
		printf("grfmmap(%d): addr %x\n", p->p_pid, *addrp);
#endif
	len = gp->g_display.gd_regsize + gp->g_display.gd_fbsize;
	flags = MAP_FILE|MAP_SHARED;
	if (*addrp)
		flags |= MAP_FIXED;
	else
		*addrp = (caddr_t)0x1000000;	/* XXX */
	vn.v_type = VCHR;			/* XXX */
	vn.v_specinfo = &si;			/* XXX */
	vn.v_rdev = dev;			/* XXX */
	error = vm_mmap(&p->p_vmspace->vm_map, (vm_offset_t *)addrp,
			(vm_size_t)len, VM_PROT_ALL, flags, (caddr_t)&vn, 0);
	return(error);
}

grfunmmap(dev, addr, p)
	dev_t dev;
	caddr_t addr;
	struct proc *p;
{
	struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	vm_size_t size;
	int rv;

#ifdef DEBUG
	if (grfdebug & GDB_MMAP)
		printf("grfunmmap(%d): dev %x addr %x\n", p->p_pid, dev, addr);
#endif
	if (addr == 0)
		return(EINVAL);		/* XXX: how do we deal with this? */
	size = round_page(gp->g_display.gd_regsize + gp->g_display.gd_fbsize);
	rv = vm_deallocate(p->p_vmspace->vm_map, (vm_offset_t)addr, size);
	return(rv == KERN_SUCCESS ? 0 : EINVAL);
}

#ifdef HPUXCOMPAT
iommap(dev, addrp)
	dev_t dev;
	caddr_t *addrp;
{
	struct proc *p = curproc;		/* XXX */
	struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];

#ifdef DEBUG
	if (grfdebug & (GDB_MMAP|GDB_IOMAP))
		printf("iommap(%d): addr %x\n", p->p_pid, *addrp);
#endif
	return(EINVAL);
}

iounmmap(dev, addr)
	dev_t dev;
	caddr_t addr;
{
	int unit = minor(dev);

#ifdef DEBUG
	if (grfdebug & (GDB_MMAP|GDB_IOMAP))
		printf("iounmmap(%d): id %d addr %x\n",
		       curproc->p_pid, unit, addr);
#endif
	return(0);
}

/*
 * Processes involved in framebuffer mapping via GCSLOT are recorded in
 * an array of pids.  The first element is used to record the last slot used
 * (for faster lookups).  The remaining elements record up to GRFMAXLCK-1
 * process ids.  Returns a slot number between 1 and GRFMAXLCK or 0 if no
 * slot is available. 
 */
grffindpid(gp)
	struct grf_softc *gp;
{
	register short pid, *sp;
	register int i, limit;
	int ni;

	if (gp->g_pid == NULL) {
		gp->g_pid = (short *)
			malloc(GRFMAXLCK * sizeof(short), M_DEVBUF, M_WAITOK);
		bzero((caddr_t)gp->g_pid, GRFMAXLCK * sizeof(short));
	}
	pid = curproc->p_pid;
	ni = limit = gp->g_pid[0];
	for (i = 1, sp = &gp->g_pid[1]; i <= limit; i++, sp++) {
		if (*sp == pid)
			goto done;
		if (*sp == 0)
			ni = i;
	}
	i = ni;
	if (i < limit) {
		gp->g_pid[i] = pid;
		goto done;
	}
	if (++i == GRFMAXLCK)
		return(0);
	gp->g_pid[0] = i;
	gp->g_pid[i] = pid;
done:
#ifdef DEBUG
	if (grfdebug & GDB_LOCK)
		printf("grffindpid(%d): slot %d of %d\n",
		       pid, i, gp->g_pid[0]);
#endif
	return(i);
}

grfrmpid(gp)
	struct grf_softc *gp;
{
	register short pid, *sp;
	register int limit, i;
	int mi;

	if (gp->g_pid == NULL || (limit = gp->g_pid[0]) == 0)
		return;
	pid = curproc->p_pid;
	limit = gp->g_pid[0];
	mi = 0;
	for (i = 1, sp = &gp->g_pid[1]; i <= limit; i++, sp++) {
		if (*sp == pid)
			*sp = 0;
		else if (*sp)
			mi = i;
	}
	i = mi;
	if (i < limit)
		gp->g_pid[0] = i;
#ifdef DEBUG
	if (grfdebug & GDB_LOCK)
		printf("grfrmpid(%d): slot %d of %d\n",
		       pid, sp-gp->g_pid, gp->g_pid[0]);
#endif
}

grflckmmap(dev, addrp)
	dev_t dev;
	caddr_t *addrp;
{
#ifdef DEBUG
	struct proc *p = curproc;		/* XXX */

	if (grfdebug & (GDB_MMAP|GDB_LOCK))
		printf("grflckmmap(%d): addr %x\n",
		       p->p_pid, *addrp);
#endif
	return(EINVAL);
}

grflckunmmap(dev, addr)
	dev_t dev;
	caddr_t addr;
{
#ifdef DEBUG
	int unit = minor(dev);

	if (grfdebug & (GDB_MMAP|GDB_LOCK))
		printf("grflckunmmap(%d): id %d addr %x\n",
		       curproc->p_pid, unit, addr);
#endif
	return(EINVAL);
}
#endif	/* HPUXCOMPAT */

#endif	/* NGRF > 0 */
Commit	Line	Data
60f56dfc KM	1	/*
	2	* Copyright (c) 1988 University of Utah.
	3	* Copyright (c) 1990 The Regents of the University of California.
	4	* All rights reserved.
	5	*
	6	* This code is derived from software contributed to Berkeley by
	7	* the Systems Programming Group of the University of Utah Computer
	8	* Science Department.
	9	*
	10	* %sccs.include.redist.c%
	11	*
	12	* from: Utah $Hdr: grf.c 1.28 89/08/14$
	13	*
88f29710	14	* @(#)grf.c 7.7 (Berkeley) %G%
60f56dfc KM	15	*/
	16
	17	/*
	18	* Graphics display driver for the HP300.
	19	* This is the hardware-independent portion of the driver.
	20	* Hardware access is through the grfdev routines below.
	21	*/
	22
	23	#include "grf.h"
	24	#if NGRF > 0
	25
88f29710 MK	26	#include "param.h"
	27	#include "proc.h"
	28	#include "ioctl.h"
	29	#include "file.h"
	30	#include "malloc.h"
60f56dfc KM	31
	32	#include "device.h"
	33	#include "grfioctl.h"
	34	#include "grfvar.h"
	35
88f29710	36	#include "machine/cpu.h"
60f56dfc KM	37
	38	#ifdef HPUXCOMPAT
	39	#include "../hpux/hpux.h"
	40	#endif
	41
88f29710	42	#include "vm/vm.h"
b28b3a13 KB	43	#include "vm/vm_kern.h"
	44	#include "vm/vm_page.h"
	45	#include "vm/vm_pager.h"
88f29710 MK	46
	47	#include "specdev.h"
	48	#include "vnode.h"
	49	#include "mman.h"
22d09b27	50
60f56dfc KM	51	#include "ite.h"
	52	#if NITE == 0
	53	#define iteon(u,f)
	54	#define iteoff(u,f)
	55	#endif
	56
	57	int grfprobe();
	58	int tc_init(), tc_mode();
	59	int gb_init(), gb_mode();
	60	int rb_init(), rb_mode();
	61	int dv_init(), dv_mode();
	62
	63	struct grfdev grfdev[] = {
	64	GID_TOPCAT, GRFBOBCAT, tc_init, tc_mode,
	65	"topcat",
	66	GID_GATORBOX, GRFGATOR, gb_init, gb_mode,
	67	"gatorbox",
	68	GID_RENAISSANCE,GRFRBOX, rb_init, rb_mode,
	69	"renaissance",
	70	GID_LRCATSEYE, GRFCATSEYE, tc_init, tc_mode,
	71	"lo-res catseye",
	72	GID_HRCCATSEYE, GRFCATSEYE, tc_init, tc_mode,
	73	"hi-res catseye",
	74	GID_HRMCATSEYE, GRFCATSEYE, tc_init, tc_mode,
	75	"hi-res catseye",
	76	GID_DAVINCI, GRFDAVINCI, dv_init, dv_mode,
	77	"davinci",
	78	};
	79	int ngrfdev = sizeof(grfdev) / sizeof(grfdev[0]);
	80
	81	struct driver grfdriver = { grfprobe, "grf" };
	82	struct grf_softc grf_softc[NGRF];
	83
60f56dfc KM	84	#ifdef DEBUG
	85	int grfdebug = 0;
	86	#define GDB_DEVNO 0x01
	87	#define GDB_MMAP 0x02
	88	#define GDB_IOMAP 0x04
	89	#define GDB_LOCK 0x08
	90	#endif
	91
	92	/*
	93	* XXX: called from ite console init routine.
	94	* Does just what configure will do later but without printing anything.
	95	*/
	96	grfconfig()
	97	{
	98	register caddr_t addr;
	99	register struct hp_hw *hw;
	100	register struct hp_device hd, nhd;
	101
	102	for (hw = sc_table; hw->hw_type; hw++) {
	103	if (hw->hw_type != BITMAP)
	104	continue;
	105	/*
	106	* Found one, now match up with a logical unit number
	107	*/
	108	nhd = NULL;
	109	addr = hw->hw_addr;
	110	for (hd = hp_dinit; hd->hp_driver; hd++) {
	111	if (hd->hp_driver != &grfdriver \|\| hd->hp_alive)
	112	continue;
	113	/*
	114	* Wildcarded. If first, remember as possible match.
	115	*/
	116	if (hd->hp_addr == NULL) {
	117	if (nhd == NULL)
	118	nhd = hd;
	119	continue;
	120	}
	121	/*
	122	* Not wildcarded.
	123	* If exact match done searching, else keep looking.
	124	*/
	125	if ((caddr_t)sctoaddr(hd->hp_addr) == addr) {
	126	nhd = hd;
	127	break;
	128	}
	129	}
	130	/*
	131	* Found a match, initialize
	132	*/
	133	if (nhd && grfinit(addr, nhd->hp_unit)) {
	134	nhd->hp_addr = addr;
	135	}
	136	}
	137	}
	138
	139	/*
	140	* Normal init routine called by configure() code
	141	*/
	142	grfprobe(hd)
	143	struct hp_device *hd;
	144	{
	145	struct grf_softc *gp = &grf_softc[hd->hp_unit];
	146
	147	if ((gp->g_flags & GF_ALIVE) == 0 &&
148	!grfinit(hd->hp_addr, hd->hp_unit))
149	return(0);
150	printf("grf%d: %d x %d ", hd->hp_unit,
151	gp->g_display.gd_dwidth, gp->g_display.gd_dheight);
152	if (gp->g_display.gd_colors == 2)
153	printf("monochrome");
154	else
155	printf("%d color", gp->g_display.gd_colors);
156	printf(" %s display\n", grfdev[gp->g_type].gd_desc);
157	return(1);
158	}
159
160	grfinit(addr, unit)
161	caddr_t addr;
162	{
163	struct grf_softc *gp = &grf_softc[unit];
164	struct grfreg *gr;
165	register struct grfdev *gd;
166
167	gr = (struct grfreg *) addr;
168	if (gr->gr_id != GRFHWID)
169	return(0);
170	for (gd = grfdev; gd < &grfdev[ngrfdev]; gd++)
171	if (gd->gd_hardid == gr->gr_id2)
172	break;
173	if (gd < &grfdev[ngrfdev] && (*gd->gd_init)(gp, addr)) {
174	gp->g_display.gd_id = gd->gd_softid;
175	gp->g_type = gd - grfdev;
176	gp->g_flags = GF_ALIVE;
177	return(1);
178	}
179	return(0);
180	}
181
182	/ARGSUSED/
183	grfopen(dev, flags)
184	dev_t dev;
185	{
186	int unit = GRFUNIT(dev);
187	register struct grf_softc *gp = &grf_softc[unit];
188	int error = 0;
189
190	if (unit >= NGRF \|\| (gp->g_flags & GF_ALIVE) == 0)
191	return(ENXIO);
192	if ((gp->g_flags & (GF_OPEN\|GF_EXCLUDE)) == (GF_OPEN\|GF_EXCLUDE))
193	return(EBUSY);
194	#ifdef HPUXCOMPAT
195	/*
196	* XXX: cannot handle both HPUX and BSD processes at the same time
197	*/
88f29710	198	if (curproc->p_flag & SHPUX)
60f56dfc KM	199	if (gp->g_flags & GF_BSDOPEN)
	200	return(EBUSY);
	201	else
	202	gp->g_flags \|= GF_HPUXOPEN;
	203	else
	204	if (gp->g_flags & GF_HPUXOPEN)
	205	return(EBUSY);
	206	else
	207	gp->g_flags \|= GF_BSDOPEN;
	208	#endif
	209	/*
	210	* First open.
	211	* XXX: always put in graphics mode.
	212	*/
	213	error = 0;
	214	if ((gp->g_flags & GF_OPEN) == 0) {
	215	gp->g_flags \|= GF_OPEN;
	216	error = grfon(dev);
	217	}
	218	return(error);
	219	}
	220
	221	/ARGSUSED/
	222	grfclose(dev, flags)
	223	dev_t dev;
	224	{
	225	register struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	226
	227	(void) grfoff(dev);
	228	(void) grfunlock(gp);
	229	gp->g_flags &= GF_ALIVE;
	230	return(0);
	231	}
	232
	233	/ARGSUSED/
88f29710	234	grfioctl(dev, cmd, data, flag, p)
60f56dfc KM	235	dev_t dev;
60f56dfc KM	236	caddr_t data;
88f29710	237	struct proc *p;
60f56dfc KM	238	{
	239	register struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	240	int error;
	241
	242	#ifdef HPUXCOMPAT
88f29710 MK	243	if (p->p_flag & SHPUX)
88f29710 MK	244	return(hpuxgrfioctl(dev, cmd, data, flag, p));
60f56dfc KM	245	#endif
	246	error = 0;
	247	switch (cmd) {
	248
	249	/* XXX: compatibility hack */
	250	case OGRFIOCGINFO:
	251	bcopy((caddr_t)&gp->g_display, data, sizeof(struct ogrfinfo));
	252	break;
	253
	254	case GRFIOCGINFO:
	255	bcopy((caddr_t)&gp->g_display, data, sizeof(struct grfinfo));
	256	break;
	257
	258	case GRFIOCON:
	259	error = grfon(dev);
	260	break;
	261
	262	case GRFIOCOFF:
	263	error = grfoff(dev);
	264	break;
	265
60f56dfc	266	case GRFIOCMAP:
88f29710	267	error = grfmmap(dev, (caddr_t *)data, p);
60f56dfc KM	268	break;
	269
	270	case GRFIOCUNMAP:
88f29710	271	error = grfunmmap(dev, (caddr_t )data, p);
60f56dfc	272	break;
60f56dfc KM	273
	274	default:
	275	error = EINVAL;
	276	break;
	277
	278	}
	279	return(error);
	280	}
	281
	282	/ARGSUSED/
	283	grfselect(dev, rw)
	284	dev_t dev;
	285	{
	286	if (rw == FREAD)
	287	return(0);
	288	return(1);
	289	}
	290
	291	grflock(gp, block)
	292	register struct grf_softc *gp;
	293	int block;
	294	{
88f29710	295	struct proc p = curproc; / XXX */
339a5f2c KM	296	int error;
	297	extern char devioc[];
	298
60f56dfc KM	299	#ifdef DEBUG
	300	if (grfdebug & GDB_LOCK)
	301	printf("grflock(%d): dev %x flags %x lockpid %x\n",
05d14dfb	302	p->p_pid, gp-grf_softc, gp->g_flags,
60f56dfc KM	303	gp->g_lockp ? gp->g_lockp->p_pid : -1);
	304	#endif
	305	#ifdef HPUXCOMPAT
	306	if (gp->g_pid) {
	307	#ifdef DEBUG
	308	if (grfdebug & GDB_LOCK)
	309	printf(" lock[0] %d lockslot %d lock[lockslot] %d\n",
	310	gp->g_locks[0], gp->g_lockpslot,
	311	gp->g_locks[gp->g_lockpslot]);
	312	#endif
	313	gp->g_locks[0] = 0;
	314	if (gp->g_locks[gp->g_lockpslot] == 0) {
	315	gp->g_lockp = NULL;
	316	gp->g_lockpslot = 0;
	317	}
	318	}
	319	#endif
	320	if (gp->g_lockp) {
05d14dfb	321	if (gp->g_lockp == p)
60f56dfc KM	322	return(EBUSY);
	323	if (!block)
	324	return(EAGAIN);
	325	do {
	326	gp->g_flags \|= GF_WANTED;
339a5f2c KM	327	if (error = tsleep((caddr_t)&gp->g_flags,
	328	(PZERO+1) \| PCATCH, devioc, 0))
	329	return (error);
60f56dfc KM	330	} while (gp->g_lockp);
60f56dfc KM	331	}
05d14dfb	332	gp->g_lockp = p;
60f56dfc KM	333	#ifdef HPUXCOMPAT
	334	if (gp->g_pid) {
	335	int slot = grffindpid(gp);
	336	#ifdef DEBUG
	337	if (grfdebug & GDB_LOCK)
	338	printf(" slot %d\n", slot);
	339	#endif
	340	gp->g_lockpslot = gp->g_locks[0] = slot;
	341	gp->g_locks[slot] = 1;
	342	}
	343	#endif
	344	return(0);
	345	}
	346
	347	grfunlock(gp)
	348	register struct grf_softc *gp;
	349	{
	350	#ifdef DEBUG
	351	if (grfdebug & GDB_LOCK)
	352	printf("grfunlock(%d): dev %x flags %x lockpid %d\n",
88f29710	353	curproc->p_pid, gp-grf_softc, gp->g_flags,
60f56dfc KM	354	gp->g_lockp ? gp->g_lockp->p_pid : -1);
60f56dfc KM	355	#endif
88f29710	356	if (gp->g_lockp != curproc)
60f56dfc KM	357	return(EBUSY);
	358	#ifdef HPUXCOMPAT
	359	if (gp->g_pid) {
	360	#ifdef DEBUG
	361	if (grfdebug & GDB_LOCK)
	362	printf(" lock[0] %d lockslot %d lock[lockslot] %d\n",
	363	gp->g_locks[0], gp->g_lockpslot,
	364	gp->g_locks[gp->g_lockpslot]);
	365	#endif
	366	gp->g_locks[gp->g_lockpslot] = gp->g_locks[0] = 0;
	367	gp->g_lockpslot = 0;
	368	}
	369	#endif
	370	if (gp->g_flags & GF_WANTED) {
	371	wakeup((caddr_t)&gp->g_flags);
	372	gp->g_flags &= ~GF_WANTED;
	373	}
	374	gp->g_lockp = NULL;
	375	return(0);
	376	}
	377
	378	/ARGSUSED/
	379	grfmap(dev, off, prot)
	380	dev_t dev;
	381	{
	382	return(grfaddr(&grf_softc[GRFUNIT(dev)], off));
	383	}
	384
	385	#ifdef HPUXCOMPAT
	386
	387	/ARGSUSED/
88f29710	388	hpuxgrfioctl(dev, cmd, data, flag, p)
60f56dfc KM	389	dev_t dev;
60f56dfc KM	390	caddr_t data;
88f29710	391	struct proc *p;
60f56dfc KM	392	{
	393	register struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	394	int error;
	395
	396	error = 0;
	397	switch (cmd) {
	398
	399	case GCID:
	400	(int )data = gp->g_display.gd_id;
	401	break;
	402
	403	case GCON:
	404	error = grfon(dev);
	405	break;
	406
	407	case GCOFF:
	408	error = grfoff(dev);
	409	break;
	410
	411	case GCLOCK:
	412	error = grflock(gp, 1);
	413	break;
	414
	415	case GCUNLOCK:
	416	error = grfunlock(gp);
	417	break;
	418
	419	case GCAON:
	420	case GCAOFF:
	421	break;
	422
	423	/* GCSTATIC is implied by our implementation */
	424	case GCSTATIC_CMAP:
	425	case GCVARIABLE_CMAP:
	426	break;
	427
60f56dfc KM	428	/* map in control regs and frame buffer */
60f56dfc KM	429	case GCMAP:
88f29710	430	error = grfmmap(dev, (caddr_t *)data, p);
60f56dfc KM	431	break;
	432
	433	case GCUNMAP:
88f29710	434	error = grfunmmap(dev, (caddr_t )data, p);
60f56dfc KM	435	/* XXX: HP-UX uses GCUNMAP to get rid of GCSLOT memory */
	436	if (error)
	437	error = grflckunmmap(dev, (caddr_t )data);
	438	break;
	439
	440	case GCSLOT:
	441	{
	442	struct grf_slot sp = (struct grf_slot )data;
	443
	444	sp->slot = grffindpid(gp);
22d09b27	445	if (sp->slot) {
60f56dfc	446	error = grflckmmap(dev, (caddr_t *)&sp->addr);
22d09b27 KM	447	if (error && gp->g_pid) {
	448	free((caddr_t)gp->g_pid, M_DEVBUF);
	449	gp->g_pid = NULL;
	450	}
	451	} else
60f56dfc KM	452	error = EINVAL; /* XXX */
	453	break;
	454	}
	455
	456	/*
	457	* XXX: only used right now to map in rbox control registers
	458	* Will be replaced in the future with a real IOMAP interface.
	459	*/
	460	case IOMAPMAP:
	461	error = iommap(dev, (caddr_t *)data);
96d5f73d MH	462	#if 0
	463	/*
	464	* It may not be worth kludging this (using p_devtmp) to
	465	* make this work. It was an undocumented side-effect
	466	* in HP-UX that the mapped address was the return value
	467	* of the ioctl. The only thing I remember that counted
	468	* on this behavior was the rbox X10 server.
	469	*/
60f56dfc KM	470	if (!error)
60f56dfc KM	471	u.u_r.r_val1 = (int )data; /* XXX: this sux */
96d5f73d	472	#endif
60f56dfc KM	473	break;
	474
	475	case IOMAPUNMAP:
	476	error = iounmmap(dev, (caddr_t )data);
	477	break;
60f56dfc KM	478
	479	default:
	480	error = EINVAL;
	481	break;
	482	}
	483	return(error);
	484	}
	485
	486	#endif
	487
	488	grfon(dev)
	489	dev_t dev;
	490	{
	491	int unit = GRFUNIT(dev);
	492	struct grf_softc *gp = &grf_softc[unit];
	493
	494	/*
	495	* XXX: iteoff call relies on devices being in same order
	496	* as ITEs and the fact that iteoff only uses the minor part
	497	* of the dev arg.
	498	*/
	499	iteoff(unit, 3);
	500	return((*grfdev[gp->g_type].gd_mode)
	501	(gp, (dev&GRFOVDEV) ? GM_GRFOVON : GM_GRFON));
	502	}
	503
	504	grfoff(dev)
	505	dev_t dev;
	506	{
	507	int unit = GRFUNIT(dev);
	508	struct grf_softc *gp = &grf_softc[unit];
	509	int error;
	510
88f29710	511	(void) grfunmmap(dev, (caddr_t)0, curproc);
60f56dfc KM	512	error = (*grfdev[gp->g_type].gd_mode)
	513	(gp, (dev&GRFOVDEV) ? GM_GRFOVOFF : GM_GRFOFF);
	514	/* XXX: see comment for iteoff above */
	515	iteon(unit, 2);
	516	return(error);
	517	}
	518
	519	grfaddr(gp, off)
	520	struct grf_softc *gp;
	521	register int off;
	522	{
60f56dfc KM	523	register struct grfinfo *gi = &gp->g_display;
	524
	525	/* control registers */
	526	if (off >= 0 && off < gi->gd_regsize)
	527	return(((u_int)gi->gd_regaddr + off) >> PGSHIFT);
	528
	529	/* frame buffer */
	530	if (off >= gi->gd_regsize && off < gi->gd_regsize+gi->gd_fbsize) {
	531	off -= gi->gd_regsize;
	532	return(((u_int)gi->gd_fbaddr + off) >> PGSHIFT);
	533	}
60f56dfc KM	534	/* bogus */
	535	return(-1);
	536	}
	537
	538	#ifdef HPUXCOMPAT
	539	/*
	540	* Convert a BSD style minor devno to HPUX style.
	541	* We cannot just create HPUX style nodes as they require 24 bits
	542	* of minor device number and we only have 8.
	543	* XXX: This may give the wrong result for remote stats of other
	544	* machines where device 10 exists.
	545	*/
	546	grfdevno(dev)
	547	dev_t dev;
	548	{
	549	int unit = GRFUNIT(dev);
	550	struct grf_softc *gp = &grf_softc[unit];
	551	int newdev;
	552
	553	if (unit >= NGRF \|\| (gp->g_flags&GF_ALIVE) == 0)
	554	return(bsdtohpuxdev(dev));
	555	/* magic major number */
	556	newdev = 12 << 24;
	557	/* now construct minor number */
60f56dfc KM	558	if (gp->g_display.gd_regaddr != (caddr_t)GRFIADDR)
	559	newdev \|= ((u_int)gp->g_display.gd_regaddr-EXTIOBASE) \| 0x200;
	560	if (dev & GRFIMDEV)
	561	newdev \|= 0x02;
	562	else if (dev & GRFOVDEV)
	563	newdev \|= 0x01;
	564	#ifdef DEBUG
	565	if (grfdebug & GDB_DEVNO)
	566	printf("grfdevno: dev %x newdev %x\n", dev, newdev);
	567	#endif
	568	return(newdev);
	569	}
	570	#endif
	571
88f29710	572	grfmmap(dev, addrp, p)
60f56dfc KM	573	dev_t dev;
60f56dfc KM	574	caddr_t *addrp;
88f29710	575	struct proc *p;
60f56dfc KM	576	{
60f56dfc KM	577	struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
22d09b27 KM	578	int len, error;
	579	struct vnode vn;
	580	struct specinfo si;
	581	int flags;
60f56dfc KM	582
	583	#ifdef DEBUG
	584	if (grfdebug & GDB_MMAP)
05d14dfb	585	printf("grfmmap(%d): addr %x\n", p->p_pid, *addrp);
60f56dfc KM	586	#endif
60f56dfc KM	587	len = gp->g_display.gd_regsize + gp->g_display.gd_fbsize;
22d09b27 KM	588	flags = MAP_FILE\|MAP_SHARED;
	589	if (*addrp)
	590	flags \|= MAP_FIXED;
	591	else
	592	addrp = (caddr_t)0x1000000; / XXX */
	593	vn.v_type = VCHR; /* XXX */
	594	vn.v_specinfo = &si; /* XXX */
	595	vn.v_rdev = dev; /* XXX */
88f29710	596	error = vm_mmap(&p->p_vmspace->vm_map, (vm_offset_t *)addrp,
22d09b27	597	(vm_size_t)len, VM_PROT_ALL, flags, (caddr_t)&vn, 0);
96d5f73d	598	return(error);
60f56dfc KM	599	}
60f56dfc KM	600
88f29710	601	grfunmmap(dev, addr, p)
60f56dfc KM	602	dev_t dev;
60f56dfc KM	603	caddr_t addr;
88f29710	604	struct proc *p;
60f56dfc	605	{
22d09b27 KM	606	struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
	607	vm_size_t size;
	608	int rv;
60f56dfc KM	609
	610	#ifdef DEBUG
	611	if (grfdebug & GDB_MMAP)
22d09b27	612	printf("grfunmmap(%d): dev %x addr %x\n", p->p_pid, dev, addr);
60f56dfc	613	#endif
22d09b27 KM	614	if (addr == 0)
	615	return(EINVAL); /* XXX: how do we deal with this? */
	616	size = round_page(gp->g_display.gd_regsize + gp->g_display.gd_fbsize);
88f29710	617	rv = vm_deallocate(p->p_vmspace->vm_map, (vm_offset_t)addr, size);
22d09b27	618	return(rv == KERN_SUCCESS ? 0 : EINVAL);
60f56dfc KM	619	}
	620
	621	#ifdef HPUXCOMPAT
	622	iommap(dev, addrp)
	623	dev_t dev;
	624	caddr_t *addrp;
	625	{
88f29710	626	struct proc p = curproc; / XXX */
60f56dfc	627	struct grf_softc *gp = &grf_softc[GRFUNIT(dev)];
60f56dfc KM	628
	629	#ifdef DEBUG
	630	if (grfdebug & (GDB_MMAP\|GDB_IOMAP))
05d14dfb	631	printf("iommap(%d): addr %x\n", p->p_pid, *addrp);
60f56dfc	632	#endif
22d09b27	633	return(EINVAL);
60f56dfc KM	634	}
	635
	636	iounmmap(dev, addr)
	637	dev_t dev;
	638	caddr_t addr;
	639	{
22d09b27	640	int unit = minor(dev);
60f56dfc KM	641
	642	#ifdef DEBUG
	643	if (grfdebug & (GDB_MMAP\|GDB_IOMAP))
	644	printf("iounmmap(%d): id %d addr %x\n",
88f29710	645	curproc->p_pid, unit, addr);
60f56dfc	646	#endif
22d09b27	647	return(0);
60f56dfc KM	648	}
	649
	650	/*
	651	* Processes involved in framebuffer mapping via GCSLOT are recorded in
	652	* an array of pids. The first element is used to record the last slot used
	653	* (for faster lookups). The remaining elements record up to GRFMAXLCK-1
	654	* process ids. Returns a slot number between 1 and GRFMAXLCK or 0 if no
	655	* slot is available.
	656	*/
	657	grffindpid(gp)
	658	struct grf_softc *gp;
	659	{
	660	register short pid, *sp;
	661	register int i, limit;
	662	int ni;
	663
	664	if (gp->g_pid == NULL) {
	665	gp->g_pid = (short *)
	666	malloc(GRFMAXLCK * sizeof(short), M_DEVBUF, M_WAITOK);
	667	bzero((caddr_t)gp->g_pid, GRFMAXLCK * sizeof(short));
	668	}
88f29710	669	pid = curproc->p_pid;
60f56dfc KM	670	ni = limit = gp->g_pid[0];
	671	for (i = 1, sp = &gp->g_pid[1]; i <= limit; i++, sp++) {
	672	if (*sp == pid)
	673	goto done;
	674	if (*sp == 0)
	675	ni = i;
	676	}
	677	i = ni;
	678	if (i < limit) {
	679	gp->g_pid[i] = pid;
	680	goto done;
	681	}
	682	if (++i == GRFMAXLCK)
	683	return(0);
	684	gp->g_pid[0] = i;
	685	gp->g_pid[i] = pid;
	686	done:
	687	#ifdef DEBUG
	688	if (grfdebug & GDB_LOCK)
	689	printf("grffindpid(%d): slot %d of %d\n",
	690	pid, i, gp->g_pid[0]);
	691	#endif
	692	return(i);
	693	}
	694
	695	grfrmpid(gp)
	696	struct grf_softc *gp;
	697	{
	698	register short pid, *sp;
	699	register int limit, i;
	700	int mi;
	701
	702	if (gp->g_pid == NULL \|\| (limit = gp->g_pid[0]) == 0)
	703	return;
88f29710	704	pid = curproc->p_pid;
60f56dfc KM	705	limit = gp->g_pid[0];
	706	mi = 0;
	707	for (i = 1, sp = &gp->g_pid[1]; i <= limit; i++, sp++) {
	708	if (*sp == pid)
	709	*sp = 0;
	710	else if (*sp)
	711	mi = i;
	712	}
	713	i = mi;
	714	if (i < limit)
	715	gp->g_pid[0] = i;
	716	#ifdef DEBUG
	717	if (grfdebug & GDB_LOCK)
	718	printf("grfrmpid(%d): slot %d of %d\n",
	719	pid, sp-gp->g_pid, gp->g_pid[0]);
	720	#endif
	721	}
	722
60f56dfc KM	723	grflckmmap(dev, addrp)
	724	dev_t dev;
	725	caddr_t *addrp;
	726	{
60f56dfc	727	#ifdef DEBUG
88f29710 MK	728	struct proc p = curproc; / XXX */
88f29710 MK	729
60f56dfc KM	730	if (grfdebug & (GDB_MMAP\|GDB_LOCK))
60f56dfc KM	731	printf("grflckmmap(%d): addr %x\n",
05d14dfb	732	p->p_pid, *addrp);
60f56dfc	733	#endif
22d09b27	734	return(EINVAL);
60f56dfc KM	735	}
	736
	737	grflckunmmap(dev, addr)
	738	dev_t dev;
	739	caddr_t addr;
	740	{
88f29710	741	#ifdef DEBUG
60f56dfc KM	742	int unit = minor(dev);
60f56dfc KM	743
60f56dfc KM	744	if (grfdebug & (GDB_MMAP\|GDB_LOCK))
60f56dfc KM	745	printf("grflckunmmap(%d): id %d addr %x\n",
88f29710	746	curproc->p_pid, unit, addr);
60f56dfc	747	#endif
60f56dfc KM	748	return(EINVAL);
	749	}
	750	#endif /* HPUXCOMPAT */
22d09b27	751
60f56dfc	752	#endif /* NGRF > 0 */