sio_pci.c revision 168002
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 168002 2007-03-28 18:56:27Z maxim $"); 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.h> 39#include <sys/timepps.h> 40 41#include <dev/sio/siovar.h> 42 43#include <dev/pci/pcivar.h> 44 45static int sio_pci_attach(device_t dev); 46static void sio_pci_kludge_unit(device_t dev); 47static int sio_pci_probe(device_t dev); 48 49static device_method_t sio_pci_methods[] = { 50 /* Device interface */ 51 DEVMETHOD(device_probe, sio_pci_probe), 52 DEVMETHOD(device_attach, sio_pci_attach), 53 DEVMETHOD(device_detach, siodetach), 54 55 { 0, 0 } 56}; 57 58static driver_t sio_pci_driver = { 59 sio_driver_name, 60 sio_pci_methods, 61 0, 62}; 63 64struct pci_ids { 65 u_int32_t type; 66 const char *desc; 67 int rid; 68}; 69 70static struct pci_ids pci_ids[] = { 71 { 0x100812b9, "3COM PCI FaxModem", 0x10 }, 72 { 0x2000131f, "CyberSerial (1-port) 16550", 0x10 }, 73 { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 74 { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 75 { 0x048011c1, "Lucent kermit based PCI Modem", 0x14 }, 76 { 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 }, 77 { 0x7101135e, "SeaLevel Ultra 530.PCI Single Port Serial", 0x18 }, 78 { 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 }, 79 { 0x0103115d, "Xircom Cardbus modem", 0x10 }, 80 { 0x432214e4, "Broadcom 802.11g/GPRS CardBus (Serial)", 0x10 }, 81 { 0x98359710, "MosChip MCS9835 PCI Dual UART", 0x10 }, 82 { 0x01c0135c, "Quatech SSCLP-200/300", 0x18 83 /* 84 * NB: You must mount the "SPAD" jumper to correctly detect 85 * the FIFO on the UART. Set the options on the jumpers, 86 * we do not support the extra registers on the Quatech. 87 */ 88 }, 89 { 0x00000000, NULL, 0 } 90}; 91 92static int 93sio_pci_attach(dev) 94 device_t dev; 95{ 96 u_int32_t type; 97 struct pci_ids *id; 98 99 type = pci_get_devid(dev); 100 id = pci_ids; 101 while (id->type && id->type != type) 102 id++; 103 if (id->desc == NULL) 104 return (ENXIO); 105 sio_pci_kludge_unit(dev); 106 return (sioattach(dev, id->rid, 0UL)); 107} 108 109/* 110 * Don't cut and paste this to other drivers. It is a horrible kludge 111 * which will fail to work and also be unnecessary in future versions. 112 */ 113static void 114sio_pci_kludge_unit(dev) 115 device_t dev; 116{ 117 devclass_t dc; 118 int err; 119 int start; 120 int unit; 121 122 unit = 0; 123 start = 0; 124 while (resource_int_value("sio", unit, "port", &start) == 0 && 125 start > 0) 126 unit++; 127 if (device_get_unit(dev) < unit) { 128 dc = device_get_devclass(dev); 129 while (devclass_get_device(dc, unit)) 130 unit++; 131 device_printf(dev, "moving to sio%d\n", unit); 132 err = device_set_unit(dev, unit); /* EVIL DO NOT COPY */ 133 if (err) 134 device_printf(dev, "error moving device %d\n", err); 135 } 136} 137 138static int 139sio_pci_probe(dev) 140 device_t dev; 141{ 142 u_int32_t type; 143 struct pci_ids *id; 144 145 type = pci_get_devid(dev); 146 id = pci_ids; 147 while (id->type && id->type != type) 148 id++; 149 if (id->desc == NULL) 150 return (ENXIO); 151 device_set_desc(dev, id->desc); 152#ifdef PC98 153 SET_FLAG(dev, SET_IFTYPE(COM_IF_NS16550)); 154#endif 155 return (sioprobe(dev, id->rid, 0UL, 0)); 156} 157 158DRIVER_MODULE(sio, pci, sio_pci_driver, sio_devclass, 0, 0); 159DRIVER_MODULE(sio, cardbus, sio_pci_driver, sio_devclass, 0, 0); 160