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("$FreeBSD$"); 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/module.h> 34 #include <machine/bus.h> 35 #include <sys/rman.h> 36 #include <machine/resource.h> 37 38 #include <dev/pci/pcivar.h> 39 40 #include <dev/uart/uart.h> 41 #include <dev/uart/uart_bus.h> 42 43 static int uart_pci_probe(device_t dev); 44 45 static device_method_t uart_pci_methods[] = { 46 /* Device interface */ 47 DEVMETHOD(device_probe, uart_pci_probe), 48 DEVMETHOD(device_attach, uart_bus_attach), 49 DEVMETHOD(device_detach, uart_bus_detach), 50 { 0, 0 } 51 }; 52 53 static driver_t uart_pci_driver = { 54 uart_driver_name, 55 uart_pci_methods, 56 sizeof(struct uart_softc), 57 }; 58 59 struct pci_id { 60 uint32_t type; 61 const char *desc; 62 int rid; 63 }; 64 65 static struct pci_id pci_ns8250_ids[] = { 66 { 0x100812b9, "3COM PCI FaxModem", 0x10 }, 67 { 0x2000131f, "CyberSerial (1-port) 16550", 0x10 }, 68 { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 69 { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 70 { 0x048011c1, "Lucent kermit based PCI Modem", 0x14 }, 71 { 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 }, 72 { 0x7101135e, "SeaLevel Ultra 530.PCI Single Port Serial", 0x18 }, 73 { 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 }, 74 { 0x0103115d, "Xircom Cardbus modem", 0x10 }, 75 { 0x98459710, "Netmos Nm9845 PCI Bridge with Dual UART", 0x10 }, 76 { 0x01c0135c, "Quatech SSCLP-200/300", 0x18 77 /* 78 * NB: You must mount the "SPAD" jumper to correctly detect 79 * the FIFO on the UART. Set the options on the jumpers, 80 * we do not support the extra registers on the Quatech. 81 */ 82 }, 83 { 0x00000000, NULL, 0 } 84 }; 85 86 static struct pci_id * 87 uart_pci_match(uint32_t type, struct pci_id *id) 88 { 89 90 while (id->type && id->type != type) 91 id++; 92 return ((id->type) ? id : NULL); 93 } 94 95 static int 96 uart_pci_probe(device_t dev) 97 { 98 struct uart_softc *sc; 99 struct pci_id *id; 100 101 sc = device_get_softc(dev); 102 103 id = uart_pci_match(pci_get_devid(dev), pci_ns8250_ids); 104 if (id != NULL) { 105 sc->sc_class = &uart_ns8250_class; 106 goto match; 107 } 108 /* Add checks for non-ns8250 IDs here. */ 109 return (ENXIO); 110 111 match: 112 if (id->desc) 113 device_set_desc(dev, id->desc); 114 return (uart_bus_probe(dev, 0, 0, id->rid)); 115 } 116 117 DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, 0, 0); 118 DRIVER_MODULE(uart, cardbus, uart_pci_driver, uart_devclass, 0, 0); 119