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/* $OpenBSD: maxiradio.c,v 1.1 2001/10/04 20:25:28 gluk Exp $ */
/* $RuOBSD: maxiradio.c,v 1.3 2001/10/02 10:45:53 pva Exp $ */
/*
* Copyright (c) 2001 Maxim Tsyplakov <tm@oganer.net>
* 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.
* 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.
*/
/* Guillemot Maxi Radio FM2000 PCI Radio Card Device Driver */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <machine/bus.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/radio_if.h>
int mr_match(struct device *, void *, void *);
void mr_attach(struct device *, struct device *, void *);
int mr_open(dev_t, int, int, struct proc *);
int mr_close(dev_t, int, int, struct proc *);
int mr_ioctl(dev_t, u_long, caddr_t, int, struct proc *);
/* config base I/O address ? */
#define PCI_CBIO 0x6400
/* define our interface to the high-level radio driver */
struct radio_hw_if mr_hw_if = {
mr_open,
mr_close,
mr_ioctl
};
struct mr_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
};
struct cfattach mr_ca = {
sizeof(struct mr_softc), mr_match, mr_attach
};
struct cfdriver mr_cd = {
NULL, "mr", DV_DULL
};
int
mr_match(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_GUILLEMOT &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_GUILLEMOT_MAXIRADIO)
return (1);
return (0);
}
void
mr_attach(struct device *parent, struct device *self, void *aux)
{
struct mr_softc *sc = (struct mr_softc *) self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
bus_addr_t iobase;
bus_size_t iosize;
pcireg_t csr;
if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
printf (": can't find i/o base\n");
return;
}
if (bus_space_map(sc->sc_iot = pa->pa_iot, iobase, iosize,
0, &sc->sc_ioh)) {
printf(": can't map i/o space\n");
return;
}
/* Enable the card */
csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
csr | PCI_COMMAND_MASTER_ENABLE);
radio_attach_mi(&mr_hw_if, sc, &sc->sc_dev);
}
int
mr_open(dev_t dev, int flags, int fmt, struct proc *p)
{
struct mr_softc *sc;
return !(sc = mr_cd.cd_devs[0]) ? ENXIO : 0;
}
int
mr_close(dev_t dev, int flags, int fmt, struct proc *p)
{
return 0;
}
/*
* Handle the ioctl for the device
*/
int
mr_ioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p)
{
int error;
error = 0;
switch (cmd) {
default:
error = EINVAL; /* invalid agument */
}
return error;
}
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