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freebsd/sys/dev/sio/sio_pci.c
Poul-Henning Kamp c2b46fcca4 Add yet a patch for the patchwork quilt called sio(4):
Allow people set set flags on pci based SIO ports.
2003-02-27 14:09:36 +00:00

163 lines
4.5 KiB
C

/*
* Copyright (c) 2001 M. Warner Losh. 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 AUTHOR ``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 AUTHOR 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/module.h>
#include <sys/tty.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <sys/timepps.h>
#include <dev/sio/siovar.h>
#include <pci/pcivar.h>
static int sio_pci_attach(device_t dev);
static void sio_pci_kludge_unit(device_t dev);
static int sio_pci_probe(device_t dev);
static device_method_t sio_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, sio_pci_probe),
DEVMETHOD(device_attach, sio_pci_attach),
DEVMETHOD(device_detach, siodetach),
{ 0, 0 }
};
static driver_t sio_pci_driver = {
sio_driver_name,
sio_pci_methods,
0,
};
struct pci_ids {
u_int32_t type;
const char *desc;
int rid;
};
static struct pci_ids pci_ids[] = {
{ 0x100812b9, "3COM PCI FaxModem", 0x10 },
{ 0x2000131f, "CyberSerial (1-port) 16550", 0x10 },
{ 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
{ 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 },
{ 0x048011c1, "Lucent kermit based PCI Modem", 0x14 },
{ 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 },
{ 0x7101135e, "SeaLevel Ultra 530.PCI Single Port Serial", 0x18 },
{ 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 },
{ 0x0103115d, "Xircom Cardbus modem", 0x10 },
{ 0x98459710, "Netmos Nm9845 PCI Bridge with Dual UART", 0x10 },
{ 0x01c0135c, "Quatech SSCLP-200/300", 0x18
/*
* NB: You must mount the "SPAD" jumper to correctly detect
* the FIFO on the UART. Set the options on the jumpers,
* we do not support the extra registers on the Quatech.
*/
},
{ 0x00000000, NULL, 0 }
};
static int
sio_pci_attach(dev)
device_t dev;
{
u_int32_t type;
struct pci_ids *id;
int flags;
type = pci_get_devid(dev);
id = pci_ids;
while (id->type && id->type != type)
id++;
if (id->desc == NULL)
return (ENXIO);
sio_pci_kludge_unit(dev);
if (resource_int_value("sio", device_get_unit(dev), "flags", &flags)
== 0)
device_set_flags(dev, flags);
return (sioattach(dev, id->rid, 0UL));
}
/*
* Don't cut and paste this to other drivers. It is a horrible kludge
* which will fail to work and also be unnecessary in future versions.
*/
static void
sio_pci_kludge_unit(dev)
device_t dev;
{
devclass_t dc;
int err;
int start;
int unit;
unit = 0;
start = 0;
while (resource_int_value("sio", unit, "port", &start) == 0 &&
start > 0)
unit++;
if (device_get_unit(dev) < unit) {
dc = device_get_devclass(dev);
while (devclass_get_device(dc, unit))
unit++;
device_printf(dev, "moving to sio%d\n", unit);
err = device_set_unit(dev, unit); /* EVIL DO NOT COPY */
if (err)
device_printf(dev, "error moving device %d\n", err);
}
}
static int
sio_pci_probe(dev)
device_t dev;
{
u_int32_t type;
struct pci_ids *id;
type = pci_get_devid(dev);
id = pci_ids;
while (id->type && id->type != type)
id++;
if (id->desc == NULL)
return (ENXIO);
device_set_desc(dev, id->desc);
#ifdef PC98
SET_FLAG(dev, SET_IFTYPE(COM_IF_NS16550));
#endif
return (sioprobe(dev, id->rid, 0UL, 0));
}
DRIVER_MODULE(sio, pci, sio_pci_driver, sio_devclass, 0, 0);
DRIVER_MODULE(sio, cardbus, sio_pci_driver, sio_devclass, 0, 0);