sio_pci.c revision 130194
1/*- 2 * Copyright (c) 2001 M. Warner Losh. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25#include <sys/cdefs.h> 26__FBSDID("$FreeBSD: head/sys/dev/sio/sio_pci.c 130194 2004-06-07 16:33:47Z wpaul $"); 27 28#include <sys/param.h> 29#include <sys/systm.h> 30#include <sys/bus.h> 31#include <sys/conf.h> 32#include <sys/kernel.h> 33#include <sys/lock.h> 34#include <sys/malloc.h> 35#include <sys/mutex.h> 36#include <sys/module.h> 37#include <sys/tty.h> 38#include <machine/bus_pio.h> 39#include <machine/bus.h> 40#include <sys/timepps.h> 41 42#include <dev/sio/siovar.h> 43 44#include <dev/pci/pcivar.h> 45 46static int sio_pci_attach(device_t dev); 47static void sio_pci_kludge_unit(device_t dev); 48static int sio_pci_probe(device_t dev); 49 50static device_method_t sio_pci_methods[] = { 51 /* Device interface */ 52 DEVMETHOD(device_probe, sio_pci_probe), 53 DEVMETHOD(device_attach, sio_pci_attach), 54 DEVMETHOD(device_detach, siodetach), 55 56 { 0, 0 } 57}; 58 59static driver_t sio_pci_driver = { 60 sio_driver_name, 61 sio_pci_methods, 62 0, 63}; 64 65struct pci_ids { 66 u_int32_t type; 67 const char *desc; 68 int rid; 69}; 70 71static struct pci_ids pci_ids[] = { 72 { 0x100812b9, "3COM PCI FaxModem", 0x10 }, 73 { 0x2000131f, "CyberSerial (1-port) 16550", 0x10 }, 74 { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 75 { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 76 { 0x048011c1, "Lucent kermit based PCI Modem", 0x14 }, 77 { 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 }, 78 { 0x7101135e, "SeaLevel Ultra 530.PCI Single Port Serial", 0x18 }, 79 { 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 }, 80 { 0x0103115d, "Xircom Cardbus modem", 0x10 }, 81 { 0x98459710, "Netmos Nm9845 PCI Bridge with Dual UART", 0x10 }, 82 { 0x432214e4, "Broadcom 802.11g/GPRS CardBus (Serial)", 0x10 }, 83 { 0x01c0135c, "Quatech SSCLP-200/300", 0x18 84 /* 85 * NB: You must mount the "SPAD" jumper to correctly detect 86 * the FIFO on the UART. Set the options on the jumpers, 87 * we do not support the extra registers on the Quatech. 88 */ 89 }, 90 { 0x00000000, NULL, 0 } 91}; 92 93static int 94sio_pci_attach(dev) 95 device_t dev; 96{ 97 u_int32_t type; 98 struct pci_ids *id; 99 int flags; 100 101 type = pci_get_devid(dev); 102 id = pci_ids; 103 while (id->type && id->type != type) 104 id++; 105 if (id->desc == NULL) 106 return (ENXIO); 107 sio_pci_kludge_unit(dev); 108 if (resource_int_value("sio", device_get_unit(dev), "flags", &flags) 109 == 0) 110 device_set_flags(dev, flags); 111 return (sioattach(dev, id->rid, 0UL)); 112} 113 114/* 115 * Don't cut and paste this to other drivers. It is a horrible kludge 116 * which will fail to work and also be unnecessary in future versions. 117 */ 118static void 119sio_pci_kludge_unit(dev) 120 device_t dev; 121{ 122 devclass_t dc; 123 int err; 124 int start; 125 int unit; 126 127 unit = 0; 128 start = 0; 129 while (resource_int_value("sio", unit, "port", &start) == 0 && 130 start > 0) 131 unit++; 132 if (device_get_unit(dev) < unit) { 133 dc = device_get_devclass(dev); 134 while (devclass_get_device(dc, unit)) 135 unit++; 136 device_printf(dev, "moving to sio%d\n", unit); 137 err = device_set_unit(dev, unit); /* EVIL DO NOT COPY */ 138 if (err) 139 device_printf(dev, "error moving device %d\n", err); 140 } 141} 142 143static int 144sio_pci_probe(dev) 145 device_t dev; 146{ 147 u_int32_t type; 148 struct pci_ids *id; 149 150 type = pci_get_devid(dev); 151 id = pci_ids; 152 while (id->type && id->type != type) 153 id++; 154 if (id->desc == NULL) 155 return (ENXIO); 156 device_set_desc(dev, id->desc); 157#ifdef PC98 158 SET_FLAG(dev, SET_IFTYPE(COM_IF_NS16550)); 159#endif 160 return (sioprobe(dev, id->rid, 0UL, 0)); 161} 162 163DRIVER_MODULE(sio, pci, sio_pci_driver, sio_devclass, 0, 0); 164DRIVER_MODULE(sio, cardbus, sio_pci_driver, sio_devclass, 0, 0); 165