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/*-
* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
* All rights reserved.
*
* 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 as
* the first lines of this file unmodified.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
*
* $FreeBSD$
*/
#include "opt_vga.h"
#include "opt_fb.h"
#include "opt_syscons.h" /* should be removed in the future, XXX */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/bus.h>
#include <sys/fbio.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/md_var.h>
#include <machine/pc/bios.h>
#include <dev/fb/fbreg.h>
#include <dev/fb/vgareg.h>
#include <isa/isareg.h>
#include <isa/isavar.h>
#define VGA_SOFTC(unit) \
((vga_softc_t *)devclass_get_softc(isavga_devclass, unit))
static devclass_t isavga_devclass;
#ifdef FB_INSTALL_CDEV
static d_open_t isavga_open;
static d_close_t isavga_close;
static d_read_t isavga_read;
static d_write_t isavga_write;
static d_ioctl_t isavga_ioctl;
static d_mmap_t isavga_mmap;
static struct cdevsw isavga_cdevsw = {
/* open */ isavga_open,
/* close */ isavga_close,
/* read */ isavga_read,
/* write */ isavga_write,
/* ioctl */ isavga_ioctl,
/* poll */ nopoll,
/* mmap */ isavga_mmap,
/* strategy */ nostrategy,
/* name */ VGA_DRIVER_NAME,
/* maj */ -1,
/* dump */ nodump,
/* psize */ nopsize,
/* flags */ 0,
};
#endif /* FB_INSTALL_CDEV */
static void
isavga_identify(driver_t *driver, device_t parent)
{
BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, VGA_DRIVER_NAME, 0);
}
static int
isavga_probe(device_t dev)
{
video_adapter_t adp;
device_t bus;
int error;
/* No pnp support */
if (isa_get_vendorid(dev))
return (ENXIO);
device_set_desc(dev, "Generic ISA VGA");
error = vga_probe_unit(device_get_unit(dev), &adp, device_get_flags(dev));
if (error == 0) {
bus = device_get_parent(dev);
bus_set_resource(dev, SYS_RES_IOPORT, 0,
adp.va_io_base, adp.va_io_size);
bus_set_resource(dev, SYS_RES_MEMORY, 0,
adp.va_mem_base, adp.va_mem_size);
#if 0
isa_set_port(dev, adp.va_io_base);
isa_set_portsize(dev, adp.va_io_size);
isa_set_maddr(dev, adp.va_mem_base);
isa_set_msize(dev, adp.va_mem_size);
#endif
}
return error;
}
static int
isavga_attach(device_t dev)
{
vga_softc_t *sc;
struct resource *port;
struct resource *mem;
int unit;
int rid;
int error;
unit = device_get_unit(dev);
sc = device_get_softc(dev);
rid = 0;
port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
rid = 0;
mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
error = vga_attach_unit(unit, sc, device_get_flags(dev));
if (error)
return error;
#ifdef FB_INSTALL_CDEV
/* attach a virtual frame buffer device */
error = fb_attach(makedev(0, VGA_MKMINOR(unit)), sc->adp, &isavga_cdevsw);
if (error)
return error;
#endif /* FB_INSTALL_CDEV */
if (bootverbose)
(*vidsw[sc->adp->va_index]->diag)(sc->adp, bootverbose);
#if experimental
device_add_child(dev, "fb", -1);
bus_generic_attach(dev);
#endif
return 0;
}
#ifdef FB_INSTALL_CDEV
static int
isavga_open(dev_t dev, int flag, int mode, struct proc *p)
{
return vga_open(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, p);
}
static int
isavga_close(dev_t dev, int flag, int mode, struct proc *p)
{
return vga_close(dev, VGA_SOFTC(VGA_UNIT(dev)), flag, mode, p);
}
static int
isavga_read(dev_t dev, struct uio *uio, int flag)
{
return vga_read(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag);
}
static int
isavga_write(dev_t dev, struct uio *uio, int flag)
{
return vga_write(dev, VGA_SOFTC(VGA_UNIT(dev)), uio, flag);
}
static int
isavga_ioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct proc *p)
{
return vga_ioctl(dev, VGA_SOFTC(VGA_UNIT(dev)), cmd, arg, flag, p);
}
static int
isavga_mmap(dev_t dev, vm_offset_t offset, int prot)
{
return vga_mmap(dev, VGA_SOFTC(VGA_UNIT(dev)), offset, prot);
}
#endif /* FB_INSTALL_CDEV */
static device_method_t isavga_methods[] = {
DEVMETHOD(device_identify, isavga_identify),
DEVMETHOD(device_probe, isavga_probe),
DEVMETHOD(device_attach, isavga_attach),
DEVMETHOD(bus_print_child, bus_generic_print_child),
{ 0, 0 }
};
static driver_t isavga_driver = {
VGA_DRIVER_NAME,
isavga_methods,
sizeof(vga_softc_t),
};
DRIVER_MODULE(vga, isa, isavga_driver, isavga_devclass, 0, 0);
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