diff options
Diffstat (limited to 'sys/dev/sio/sio_pci.c')
| -rw-r--r-- | sys/dev/sio/sio_pci.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/sys/dev/sio/sio_pci.c b/sys/dev/sio/sio_pci.c new file mode 100644 index 0000000..39f2f66 --- /dev/null +++ b/sys/dev/sio/sio_pci.c @@ -0,0 +1,150 @@ +/* + * 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), + + { 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 }, + { 0x00000000, NULL, 0 } +}; + +static int +sio_pci_attach(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); + sio_pci_kludge_unit(dev); + 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); |
