uart_bus_pci.c revision 188472
1/*- 2 * Copyright (c) 2006 Marcel Moolenaar 3 * Copyright (c) 2001 M. Warner Losh 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/dev/uart/uart_bus_pci.c 188472 2009-02-11 00:08:03Z kaiw $"); 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/bus.h> 33#include <sys/conf.h> 34#include <sys/kernel.h> 35#include <sys/module.h> 36#include <machine/bus.h> 37#include <sys/rman.h> 38#include <machine/resource.h> 39 40#include <dev/pci/pcivar.h> 41 42#include <dev/uart/uart.h> 43#include <dev/uart/uart_bus.h> 44 45#define DEFAULT_RCLK 1843200 46 47static int uart_pci_probe(device_t dev); 48 49static device_method_t uart_pci_methods[] = { 50 /* Device interface */ 51 DEVMETHOD(device_probe, uart_pci_probe), 52 DEVMETHOD(device_attach, uart_bus_attach), 53 DEVMETHOD(device_detach, uart_bus_detach), 54 { 0, 0 } 55}; 56 57static driver_t uart_pci_driver = { 58 uart_driver_name, 59 uart_pci_methods, 60 sizeof(struct uart_softc), 61}; 62 63struct pci_id { 64 uint16_t vendor; 65 uint16_t device; 66 uint16_t subven; 67 uint16_t subdev; 68 const char *desc; 69 int rid; 70 int rclk; 71}; 72 73static struct pci_id pci_ns8250_ids[] = { 74{ 0x1028, 0x0008, 0xffff, 0, "Dell Remote Access Card III", 0x14, 75 128 * DEFAULT_RCLK }, 76{ 0x1028, 0x0012, 0xffff, 0, "Dell RAC 4 Daughter Card Virtual UART", 0x14, 77 128 * DEFAULT_RCLK }, 78{ 0x1033, 0x0074, 0x1033, 0x8014, "NEC RCV56ACF 56k Voice Modem", 0x10 }, 79{ 0x1033, 0x007d, 0x1033, 0x8012, "NEC RS232C", 0x10 }, 80{ 0x103c, 0x1048, 0x103c, 0x1227, "HP Diva Serial [GSP] UART - Powerbar SP2", 81 0x10 }, 82{ 0x103c, 0x1048, 0x103c, 0x1301, "HP Diva RMP3", 0x14 }, 83{ 0x103c, 0x1290, 0xffff, 0, "HP Auxiliary Diva Serial Port", 0x18 }, 84{ 0x11c1, 0x0480, 0xffff, 0, "Agere Systems Venus Modem (V90, 56KFlex)", 0x14 }, 85{ 0x115d, 0x0103, 0xffff, 0, "Xircom Cardbus Ethernet + 56k Modem", 0x10 }, 86{ 0x12b9, 0x1008, 0xffff, 0, "3Com 56K FaxModem Model 5610", 0x10 }, 87{ 0x131f, 0x1000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x18 }, 88{ 0x131f, 0x1001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x18 }, 89{ 0x131f, 0x1002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x18 }, 90{ 0x131f, 0x2000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x10 }, 91{ 0x131f, 0x2001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x10 }, 92{ 0x131f, 0x2002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x10 }, 93{ 0x135c, 0x0190, 0xffff, 0, "Quatech SSCLP-100", 0x18 }, 94{ 0x135c, 0x01c0, 0xffff, 0, "Quatech SSCLP-200/300", 0x18 }, 95{ 0x135e, 0x7101, 0xffff, 0, "Sealevel Systems Single Port RS-232/422/485/530", 96 0x18 }, 97{ 0x1407, 0x0110, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port A", 0x10 }, 98{ 0x1407, 0x0111, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port B", 0x10 }, 99{ 0x1407, 0x0510, 0xffff, 0, "Lava SP Serial 550 PCI", 0x10 }, 100{ 0x1409, 0x7168, 0x1409, 0x4025, "Timedia Technology Serial Port", 0x10, 101 8 * DEFAULT_RCLK }, 102{ 0x1409, 0x7168, 0x1409, 0x4027, "Timedia Technology Serial Port", 0x10, 103 8 * DEFAULT_RCLK }, 104{ 0x1409, 0x7168, 0x1409, 0x4028, "Timedia Technology Serial Port", 0x10, 105 8 * DEFAULT_RCLK }, 106{ 0x1409, 0x7168, 0x1409, 0x5025, "Timedia Technology Serial Port", 0x10, 107 8 * DEFAULT_RCLK }, 108{ 0x1409, 0x7168, 0x1409, 0x5027, "Timedia Technology Serial Port", 0x10, 109 8 * DEFAULT_RCLK }, 110{ 0x1415, 0x950b, 0xffff, 0, "Oxford Semiconductor OXCB950 Cardbus 16950 UART", 111 0x10, 16384000 }, 112{ 0x151f, 0x0000, 0xffff, 0, "TOPIC Semiconductor TP560 56k modem", 0x10 }, 113{ 0xdeaf, 0x9051, 0xffff, 0, "Middle Digital PC Weasel Serial Port", 0x10 }, 114{ 0xffff, 0, 0xffff, 0, NULL, 0, 0} 115}; 116 117static struct pci_id * 118uart_pci_match(device_t dev, struct pci_id *id) 119{ 120 uint16_t device, subdev, subven, vendor; 121 122 vendor = pci_get_vendor(dev); 123 device = pci_get_device(dev); 124 while (id->vendor != 0xffff && 125 (id->vendor != vendor || id->device != device)) 126 id++; 127 if (id->vendor == 0xffff) 128 return (NULL); 129 if (id->subven == 0xffff) 130 return (id); 131 subven = pci_get_subvendor(dev); 132 subdev = pci_get_subdevice(dev); 133 while (id->vendor == vendor && id->device == device && 134 (id->subven != subven || id->subdev != subdev)) 135 id++; 136 return ((id->vendor == vendor && id->device == device) ? id : NULL); 137} 138 139static int 140uart_pci_probe(device_t dev) 141{ 142 struct uart_softc *sc; 143 struct pci_id *id; 144 145 sc = device_get_softc(dev); 146 147 id = uart_pci_match(dev, pci_ns8250_ids); 148 if (id != NULL) { 149 sc->sc_class = &uart_ns8250_class; 150 goto match; 151 } 152 /* Add checks for non-ns8250 IDs here. */ 153 return (ENXIO); 154 155 match: 156 if (id->desc) 157 device_set_desc(dev, id->desc); 158 return (uart_bus_probe(dev, 0, id->rclk, id->rid, 0)); 159} 160 161DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, 0, 0); 162DRIVER_MODULE(uart, cardbus, uart_pci_driver, uart_devclass, 0, 0); 163