sio_pci.c revision 85365
185365Simp/* 285365Simp * Copyright (c) 2001 M. Warner Losh. All rights reserved. 385365Simp * 485365Simp * Redistribution and use in source and binary forms, with or without 585365Simp * modification, are permitted provided that the following conditions 685365Simp * are met: 785365Simp * 1. Redistributions of source code must retain the above copyright 885365Simp * notice, this list of conditions and the following disclaimer. 985365Simp * 2. Redistributions in binary form must reproduce the above copyright 1085365Simp * notice, this list of conditions and the following disclaimer in the 1185365Simp * documentation and/or other materials provided with the distribution. 1285365Simp * 1385365Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1485365Simp * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1585365Simp * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1685365Simp * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1785365Simp * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1885365Simp * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 1985365Simp * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2085365Simp * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2185365Simp * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2285365Simp * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2385365Simp * 2485365Simp * $FreeBSD: head/sys/dev/sio/sio_pci.c 85365 2001-10-23 15:17:33Z imp $ 2585365Simp */ 2685365Simp 2785365Simp#include <sys/param.h> 2885365Simp#include <sys/systm.h> 2985365Simp#include <sys/bus.h> 3085365Simp#include <sys/conf.h> 3185365Simp#include <sys/kernel.h> 3285365Simp#include <sys/lock.h> 3385365Simp#include <sys/malloc.h> 3485365Simp#include <sys/mutex.h> 3585365Simp#include <sys/module.h> 3685365Simp#include <sys/tty.h> 3785365Simp#include <machine/clock.h> 3885365Simp#include <machine/bus_pio.h> 3985365Simp#include <machine/bus.h> 4085365Simp#include <sys/timepps.h> 4185365Simp 4285365Simp#include <dev/sio/siovar.h> 4385365Simp 4485365Simp#include <pci/pcireg.h> 4585365Simp#include <pci/pcivar.h> 4685365Simp 4785365Simpstatic int sio_pci_attach __P((device_t dev)); 4885365Simpstatic void sio_pci_kludge_unit __P((device_t dev)); 4985365Simpstatic int sio_pci_probe __P((device_t dev)); 5085365Simp 5185365Simpstatic device_method_t sio_pci_methods[] = { 5285365Simp /* Device interface */ 5385365Simp DEVMETHOD(device_probe, sio_pci_probe), 5485365Simp DEVMETHOD(device_attach, sio_pci_attach), 5585365Simp 5685365Simp { 0, 0 } 5785365Simp}; 5885365Simp 5985365Simpstatic driver_t sio_pci_driver = { 6085365Simp sio_driver_name, 6185365Simp sio_pci_methods, 6285365Simp sizeof(struct com_s), 6385365Simp}; 6485365Simp 6585365Simpstruct pci_ids { 6685365Simp u_int32_t type; 6785365Simp const char *desc; 6885365Simp int rid; 6985365Simp}; 7085365Simp 7185365Simpstatic struct pci_ids pci_ids[] = { 7285365Simp { 0x100812b9, "3COM PCI FaxModem", 0x10 }, 7385365Simp { 0x2000131f, "CyberSerial (1-port) 16550", 0x10 }, 7485365Simp { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 7585365Simp { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 7685365Simp { 0x048011c1, "Lucent kermit based PCI Modem", 0x14 }, 7785365Simp { 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 }, 7885365Simp { 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 }, 7985365Simp /* { 0xXXXXXXXX, "Xircom Cardbus modem", 0x10 }, */ 8085365Simp { 0x00000000, NULL, 0 } 8185365Simp}; 8285365Simp 8385365Simpstatic int 8485365Simpsio_pci_attach(dev) 8585365Simp device_t dev; 8685365Simp{ 8785365Simp u_int32_t type; 8885365Simp struct pci_ids *id; 8985365Simp 9085365Simp type = pci_get_devid(dev); 9185365Simp id = pci_ids; 9285365Simp while (id->type && id->type != type) 9385365Simp id++; 9485365Simp if (id->desc == NULL) 9585365Simp return (ENXIO); 9685365Simp sio_pci_kludge_unit(dev); 9785365Simp return (sioattach(dev, id->rid)); 9885365Simp} 9985365Simp 10085365Simp/* 10185365Simp * Don't cut and paste this to other drivers. It is a horrible kludge 10285365Simp * which will fail to work and also be unnecessary in future versions. 10385365Simp */ 10485365Simpstatic void 10585365Simpsio_pci_kludge_unit(dev) 10685365Simp device_t dev; 10785365Simp{ 10885365Simp devclass_t dc; 10985365Simp int err; 11085365Simp int start; 11185365Simp int unit; 11285365Simp 11385365Simp unit = 0; 11485365Simp start = 0; 11585365Simp while (resource_int_value("sio", unit, "port", &start) == 0 && 11685365Simp start > 0) 11785365Simp unit++; 11885365Simp if (device_get_unit(dev) < unit) { 11985365Simp dc = device_get_devclass(dev); 12085365Simp while (devclass_get_device(dc, unit)) 12185365Simp unit++; 12285365Simp device_printf(dev, "moving to sio%d\n", unit); 12385365Simp err = device_set_unit(dev, unit); /* EVIL DO NOT COPY */ 12485365Simp if (err) 12585365Simp device_printf(dev, "error moving device %d\n", err); 12685365Simp } 12785365Simp} 12885365Simp 12985365Simpstatic int 13085365Simpsio_pci_probe(dev) 13185365Simp device_t dev; 13285365Simp{ 13385365Simp u_int32_t type; 13485365Simp struct pci_ids *id; 13585365Simp 13685365Simp type = pci_get_devid(dev); 13785365Simp id = pci_ids; 13885365Simp while (id->type && id->type != type) 13985365Simp id++; 14085365Simp if (id->desc == NULL) 14185365Simp return (ENXIO); 14285365Simp device_set_desc(dev, id->desc); 14385365Simp return (sioprobe(dev, id->rid, 0)); 14485365Simp} 14585365Simp 14685365SimpDRIVER_MODULE(sio, pci, sio_pci_driver, sio_devclass, 0, 0); 14785365SimpDRIVER_MODULE(sio, cardbus, sio_pci_driver, sio_devclass, 0, 0); 148