arm32 kernel source restructure
- Implement a vidcvideo device to act as the parent for the VIDC console.
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/* $NetBSD: vidcvideo.c,v 1.1 1997/10/14 11:47:17 mark Exp $ */
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/*
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* Copyright (c) 1996 Mark Brinicombe
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* Copyright (c) 1996 Robert Black
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* Copyright (c) 1994-1995 Melvyn Tang-Richardson
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* Copyright (c) 1994-1995 RiscBSD kernel team
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* All rights reserved.
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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 RiscBSD kernel team
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE RISCBSD TEAM ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* RiscBSD kernel project
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*
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* vidcconsole.c
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*
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* Console assembly functions
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*
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* Created : 17/09/94
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* Last updated : 07/02/96
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*/
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/* woo */
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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/*#include <sys/malloc.h>*/
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#include <sys/ioctl.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <sys/device.h>
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#include <sys/map.h>
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#include <sys/proc.h>
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/*#include <sys/user.h>*/
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#include <sys/syslog.h>
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/*#include <sys/resourcevar.h>*/
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/*#include <vm/vm.h>*/
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/*#include <vm/vm_kern.h>*/
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#include <machine/cpu.h>
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#include <machine/param.h>
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/*#include <machine/katelib.h>*/
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/*#include <machine/cpu.h>*/
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/*#include <machine/bootconfig.h>*/
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/*#include <machine/iomd.h>*/
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/*#include <machine/irqhandler.h>*/
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/*#include <machine/pmap.h>*/
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#include <machine/vidc.h>
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#include <machine/vconsole.h>
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extern int physcon_major;
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extern struct vconsole *vconsole_default;
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extern videomemory_t videomemory;
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extern struct render_engine vidcconsole;
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struct vidcvideo_softc {
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struct device device;
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int sc_opened;
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};
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int
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vidcvideo_probe(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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return 1;
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}
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void
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vidcvideo_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct vidcvideo_softc *vidcvideosoftc = (void *)self;
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vidcvideosoftc->sc_opened=0;
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printf(": refclk=%dMHz %dKB %s\n", (VIDC_FREF / 1000000),
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videomemory.vidm_size / 1024,
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(videomemory.vidm_type == VIDEOMEM_TYPE_VRAM) ? "VRAM" : "DRAM");
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}
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struct cfattach vidcvideo_ca = {
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sizeof (struct vidcvideo_softc), vidcvideo_probe, vidcvideo_attach
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};
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struct cfdriver vidcvideo_cd = {
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NULL, "vidcvideo", DV_DULL
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};
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int
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vidcvideoopen(dev, flags, fmt, p)
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dev_t dev;
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int flags;
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int fmt;
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struct proc *p;
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{
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struct vidcvideo_softc *sc;
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struct vconsole vconsole_new;
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int unit = minor(dev);
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int s;
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if (unit >= vidcvideo_cd.cd_ndevs)
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return ENXIO;
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sc = vidcvideo_cd.cd_devs[unit];
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if (!sc)
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return ENXIO;
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s = spltty();
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/* if (sc->sc_opened) {
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(void)splx(s);
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return(EBUSY);
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}*/
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++sc->sc_opened;
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(void)splx(s);
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if (sc->sc_opened == 1) {
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vconsole_new = *vconsole_default;
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vconsole_new.render_engine = &vidcconsole;
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vconsole_spawn_re (
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makedev ( physcon_major, 64 + minor(dev) ),
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&vconsole_new );
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} else {
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log(LOG_WARNING, "Multiple open of/dev/vidcvideo0 by proc %d\n", p->p_pid);
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}
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return 0;
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}
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int
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vidcvideoclose(dev, flags, fmt, p)
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dev_t dev;
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int flags;
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int fmt;
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struct proc *p;
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{
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struct vidcvideo_softc *sc;
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int unit = minor(dev);
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int s;
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if ( unit >= vidcvideo_cd.cd_ndevs )
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return ENXIO;
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sc = vidcvideo_cd.cd_devs[unit];
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if (!sc)
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return ENXIO;
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s = spltty();
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--sc->sc_opened;
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(void)splx(s);
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return 0;
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}
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extern int physconioctl __P((dev_t, int, caddr_t, int, struct proc *));
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int
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vidcvideoioctl(dev, cmd, data, flag, p)
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dev_t dev;
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int cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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dev = makedev(physcon_major, 64 + minor(dev));
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return(physconioctl(dev, cmd, data, flag, p));
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}
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extern int physconmmap __P((dev_t, int, int));
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int
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vidcvideommap(dev, offset, prot)
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dev_t dev;
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int offset;
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int prot;
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{
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dev = makedev(physcon_major, 64 + minor(dev));
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return(physconmmap(dev, offset, prot));
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}
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