uart_bus_pci.c revision 139749
1139749Simp/*- 2119815Smarcel * Copyright (c) 2001 M. Warner Losh. All rights reserved. 3119815Smarcel * 4119815Smarcel * Redistribution and use in source and binary forms, with or without 5119815Smarcel * modification, are permitted provided that the following conditions 6119815Smarcel * are met: 7119815Smarcel * 1. Redistributions of source code must retain the above copyright 8119815Smarcel * notice, this list of conditions and the following disclaimer. 9119815Smarcel * 2. Redistributions in binary form must reproduce the above copyright 10119815Smarcel * notice, this list of conditions and the following disclaimer in the 11119815Smarcel * documentation and/or other materials provided with the distribution. 12119815Smarcel * 13119815Smarcel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14119815Smarcel * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15119815Smarcel * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16119815Smarcel * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17119815Smarcel * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18119815Smarcel * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19119815Smarcel * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20119815Smarcel * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21119815Smarcel * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22119815Smarcel * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23119815Smarcel */ 24119815Smarcel 25119815Smarcel#include <sys/cdefs.h> 26119815Smarcel__FBSDID("$FreeBSD: head/sys/dev/uart/uart_bus_pci.c 139749 2005-01-06 01:43:34Z imp $"); 27119815Smarcel 28119815Smarcel#include <sys/param.h> 29119815Smarcel#include <sys/systm.h> 30119815Smarcel#include <sys/bus.h> 31119815Smarcel#include <sys/conf.h> 32119815Smarcel#include <sys/kernel.h> 33119815Smarcel#include <sys/module.h> 34119815Smarcel#include <machine/bus.h> 35119815Smarcel#include <sys/rman.h> 36119815Smarcel#include <machine/resource.h> 37119815Smarcel 38119815Smarcel#include <dev/pci/pcivar.h> 39119815Smarcel 40119815Smarcel#include <dev/uart/uart.h> 41119815Smarcel#include <dev/uart/uart_bus.h> 42119815Smarcel 43119815Smarcelstatic int uart_pci_probe(device_t dev); 44119815Smarcel 45119815Smarcelstatic device_method_t uart_pci_methods[] = { 46119815Smarcel /* Device interface */ 47119815Smarcel DEVMETHOD(device_probe, uart_pci_probe), 48119815Smarcel DEVMETHOD(device_attach, uart_bus_attach), 49119815Smarcel DEVMETHOD(device_detach, uart_bus_detach), 50119815Smarcel { 0, 0 } 51119815Smarcel}; 52119815Smarcel 53119815Smarcelstatic driver_t uart_pci_driver = { 54119815Smarcel uart_driver_name, 55119815Smarcel uart_pci_methods, 56119815Smarcel sizeof(struct uart_softc), 57119815Smarcel}; 58119815Smarcel 59119815Smarcelstruct pci_id { 60119815Smarcel uint32_t type; 61119815Smarcel const char *desc; 62119815Smarcel int rid; 63119815Smarcel}; 64119815Smarcel 65119815Smarcelstatic struct pci_id pci_ns8250_ids[] = { 66119815Smarcel { 0x100812b9, "3COM PCI FaxModem", 0x10 }, 67119815Smarcel { 0x2000131f, "CyberSerial (1-port) 16550", 0x10 }, 68119815Smarcel { 0x01101407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 69119815Smarcel { 0x01111407, "Koutech IOFLEX-2S PCI Dual Port Serial", 0x10 }, 70119815Smarcel { 0x048011c1, "Lucent kermit based PCI Modem", 0x14 }, 71119815Smarcel { 0x95211415, "Oxford Semiconductor PCI Dual Port Serial", 0x10 }, 72119815Smarcel { 0x7101135e, "SeaLevel Ultra 530.PCI Single Port Serial", 0x18 }, 73119815Smarcel { 0x0000151f, "SmartLink 5634PCV SurfRider", 0x10 }, 74119815Smarcel { 0x0103115d, "Xircom Cardbus modem", 0x10 }, 75119815Smarcel { 0x98459710, "Netmos Nm9845 PCI Bridge with Dual UART", 0x10 }, 76119815Smarcel { 0x01c0135c, "Quatech SSCLP-200/300", 0x18 77119815Smarcel /* 78119815Smarcel * NB: You must mount the "SPAD" jumper to correctly detect 79119815Smarcel * the FIFO on the UART. Set the options on the jumpers, 80119815Smarcel * we do not support the extra registers on the Quatech. 81119815Smarcel */ 82119815Smarcel }, 83119815Smarcel { 0x00000000, NULL, 0 } 84119815Smarcel}; 85119815Smarcel 86119815Smarcelstatic struct pci_id * 87119815Smarceluart_pci_match(uint32_t type, struct pci_id *id) 88119815Smarcel{ 89119815Smarcel 90119815Smarcel while (id->type && id->type != type) 91119815Smarcel id++; 92119815Smarcel return ((id->type) ? id : NULL); 93119815Smarcel} 94119815Smarcel 95119815Smarcelstatic int 96119815Smarceluart_pci_probe(device_t dev) 97119815Smarcel{ 98119815Smarcel struct uart_softc *sc; 99119815Smarcel struct pci_id *id; 100119815Smarcel 101119815Smarcel sc = device_get_softc(dev); 102119815Smarcel 103119815Smarcel id = uart_pci_match(pci_get_devid(dev), pci_ns8250_ids); 104119815Smarcel if (id != NULL) { 105119815Smarcel sc->sc_class = &uart_ns8250_class; 106119815Smarcel goto match; 107119815Smarcel } 108119815Smarcel /* Add checks for non-ns8250 IDs here. */ 109119815Smarcel return (ENXIO); 110119815Smarcel 111119815Smarcel match: 112119815Smarcel if (id->desc) 113119815Smarcel device_set_desc(dev, id->desc); 114120452Smarcel return (uart_bus_probe(dev, 0, 0, id->rid, 0)); 115119815Smarcel} 116119815Smarcel 117119815SmarcelDRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, 0, 0); 118123019SimpDRIVER_MODULE(uart, cardbus, uart_pci_driver, uart_devclass, 0, 0); 119