diff options
Diffstat (limited to 'sys/arch/mac68k/dev/grf.c')
| -rw-r--r-- | sys/arch/mac68k/dev/grf.c | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/sys/arch/mac68k/dev/grf.c b/sys/arch/mac68k/dev/grf.c deleted file mode 100644 index 159df4083a1..00000000000 --- a/sys/arch/mac68k/dev/grf.c +++ /dev/null @@ -1,315 +0,0 @@ -/* $OpenBSD: grf.c,v 1.30 2005/10/23 19:00:26 martin Exp $ */ -/* $NetBSD: grf.c,v 1.53 1998/06/02 02:14:20 scottr Exp $ */ - -/* - * 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. - * - * 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. 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 $Hdr: grf.c 1.31 91/01/21$ - * - * @(#)grf.c 7.8 (Berkeley) 5/7/91 - */ - -/* - * Graphics display driver for the Macintosh. - * This is the hardware-independent portion of the driver. - * Hardware access is through the grfdev routines below. - */ - -#include <sys/param.h> - -#include <sys/device.h> -#include <sys/ioctl.h> -#include <sys/file.h> -#include <sys/malloc.h> -#include <sys/mman.h> -#include <sys/poll.h> -#include <sys/proc.h> -#include <sys/resourcevar.h> -#include <sys/vnode.h> -#include <sys/systm.h> - -#include <machine/bus.h> -#include <machine/cpu.h> -#include <machine/grfioctl.h> - -#include <miscfs/specfs/specdev.h> - -#include <uvm/uvm.h> - -#include <mac68k/dev/nubus.h> -#include <mac68k/dev/itevar.h> -#include <mac68k/dev/grfvar.h> - -#include "grf.h" -#include "ite.h" - -#if NITE == 0 -#define iteon(u,f) -#define iteoff(u,f) -#endif - -int grfmatch(struct device *, void *, void *); -void grfattach(struct device *, struct device *, void *); - -struct cfdriver grf_cd = { - NULL, "grf", DV_DULL -}; - -struct cfattach grf_ca = { - sizeof(struct grf_softc), grfmatch, grfattach -}; - -#ifdef DEBUG -#define GRF_DEBUG -#endif - -#ifdef GRF_DEBUG -#define GDB_DEVNO 0x01 -#define GDB_MMAP 0x02 -#define GDB_IOMAP 0x04 -#define GDB_LOCK 0x08 -int grfdebug = 0; -#endif - -int -grfmatch(parent, vcf, aux) - struct device *parent; - void *vcf; - void *aux; -{ - struct grfbus_attach_args *ga = aux; - - return (strcmp(ga->ga_name, "grf") == 0); -} - -void -grfattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct grf_softc *sc = (struct grf_softc *)self; - struct grfbus_attach_args *ga = aux; - - printf("\n"); - - /* Load forwarded pointers. */ - sc->sc_grfmode = ga->ga_grfmode; - sc->sc_slot = ga->ga_slot; - sc->sc_tag = ga->ga_tag; - sc->sc_regh = ga->ga_handle; - sc->sc_mode = ga->ga_mode; - sc->sc_phys = ga->ga_phys; - - sc->sc_flags = GF_ALIVE; /* XXX bogus */ - - /* - * Attach ite semantics to the grf. Change the name, forward - * everything else. - */ - ga->ga_name = "ite"; - (void)config_found(self, ga, grfbusprint); -} - -/*ARGSUSED*/ -int -grfopen(dev, flag, mode, p) - dev_t dev; - int flag; - int mode; - struct proc *p; -{ - register struct grf_softc *gp; - int unit; - int error; - - unit = GRFUNIT(dev); - gp = grf_cd.cd_devs[unit]; - - if (unit >= grf_cd.cd_ndevs || (gp->sc_flags & GF_ALIVE) == 0) - return (ENXIO); - - if ((gp->sc_flags & (GF_OPEN | GF_EXCLUDE)) == (GF_OPEN | GF_EXCLUDE)) - return (EBUSY); - - /* - * First open. - * XXX: always put in graphics mode. - */ - error = 0; - if ((gp->sc_flags & GF_OPEN) == 0) { - gp->sc_flags |= GF_OPEN; - error = grfon(dev); - } - return (error); -} - -/*ARGSUSED*/ -int -grfclose(dev, flag, mode, p) - dev_t dev; - int flag; - int mode; - struct proc *p; -{ - register struct grf_softc *gp; - - gp = grf_cd.cd_devs[GRFUNIT(dev)]; - - (void)grfoff(dev); - gp->sc_flags &= GF_ALIVE; - - return (0); -} - -/*ARGSUSED*/ -int -grfioctl(dev, cmd, data, flag, p) - dev_t dev; - int cmd; - caddr_t data; - int flag; - struct proc *p; -{ - struct grf_softc *gp; - struct grfmode *gm; - int error; - int unit = GRFUNIT(dev); - - gp = grf_cd.cd_devs[unit]; - gm = gp->sc_grfmode; - error = 0; - - switch (cmd) { - case GRFIOCON: - error = grfon(dev); - break; - case GRFIOCOFF: - error = grfoff(dev); - break; - - case GRFIOCGMODE: - bcopy(gm, data, sizeof(struct grfmode)); - break; - case GRFIOCGETMODE: - error = (*gp->sc_mode)(gp, GM_CURRMODE, data); - break; - case GRFIOCSETMODE: - error = (*gp->sc_mode)(gp, GM_NEWMODE, data); - break; - case GRFIOCLISTMODES: - error = (*gp->sc_mode)(gp, GM_LISTMODES, data); - break; - - default: - error = EINVAL; - break; - } - return (error); -} - -/*ARGSUSED*/ -int -grfpoll(dev, events, p) - dev_t dev; - int events; - struct proc *p; -{ - /* always fails => never blocks */ - return (events & (POLLOUT | POLLWRNORM)); -} - -/*ARGSUSED*/ -paddr_t -grfmmap(dev, off, prot) - dev_t dev; - off_t off; - int prot; -{ - struct grf_softc *gp = grf_cd.cd_devs[GRFUNIT(dev)]; - struct grfmode *gm = gp->sc_grfmode; - u_long addr; - -#ifdef GRF_DEBUG - if (grfdebug & GDB_MMAP) - printf("grfmmap(%x): off %x, prot %x\n", dev, off, prot); -#endif - - if (off < trunc_page(gm->fboff) || - off >= round_page(gm->fbsize + gm->fboff)) - addr = (-1); /* XXX bogus */ - else - addr = atop(gp->sc_phys + off); - -#ifdef GRF_DEBUG - if (grfdebug & GDB_MMAP) - printf("grfmmap(%x): returning addr 0x%08lx\n", dev, addr); -#endif - return (int)addr; -} - -int -grfon(dev) - dev_t dev; -{ - int unit = GRFUNIT(dev); - struct grf_softc *gp; - - gp = grf_cd.cd_devs[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 (*gp->sc_mode)(gp, GM_GRFON, NULL); -} - -int -grfoff(dev) - dev_t dev; -{ - int unit = GRFUNIT(dev); - struct grf_softc *gp; - int error; - - gp = grf_cd.cd_devs[unit]; - - error = (*gp->sc_mode)(gp, GM_GRFOFF, NULL); - - /* XXX: see comment for iteoff above */ - iteon(unit, 2); - - return (error); -} |