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("$FreeBSD$"); 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 47 static int uart_pci_probe(device_t dev); 48 49 static 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 57 static driver_t uart_pci_driver = { 58 uart_driver_name, 59 uart_pci_methods, 60 sizeof(struct uart_softc), 61 }; 62 63 struct 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 73 static 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 { 0x9710, 0x9820, 0x1000, 1, "NetMos NM9820 Serial Port", 0x10 }, 114 { 0x9710, 0x9835, 0x1000, 1, "NetMos NM9835 Serial Port", 0x10 }, 115 { 0x9710, 0x9865, 0xa000, 0x1000, "NetMos NM9865 Serial Port", 0x10 }, 116 { 0x9710, 0x9901, 0xa000, 0x1000, 117 "MosChip MCS9901 PCIe to Peripheral Controller", 0x10 }, 118 { 0xdeaf, 0x9051, 0xffff, 0, "Middle Digital PC Weasel Serial Port", 0x10 }, 119 { 0xffff, 0, 0xffff, 0, NULL, 0, 0} 120 }; 121 122 static struct pci_id * 123 uart_pci_match(device_t dev, struct pci_id *id) 124 { 125 uint16_t device, subdev, subven, vendor; 126 127 vendor = pci_get_vendor(dev); 128 device = pci_get_device(dev); 129 while (id->vendor != 0xffff && 130 (id->vendor != vendor || id->device != device)) 131 id++; 132 if (id->vendor == 0xffff) 133 return (NULL); 134 if (id->subven == 0xffff) 135 return (id); 136 subven = pci_get_subvendor(dev); 137 subdev = pci_get_subdevice(dev); 138 while (id->vendor == vendor && id->device == device && 139 (id->subven != subven || id->subdev != subdev)) 140 id++; 141 return ((id->vendor == vendor && id->device == device) ? id : NULL); 142 } 143 144 static int 145 uart_pci_probe(device_t dev) 146 { 147 struct uart_softc *sc; 148 struct pci_id *id; 149 150 sc = device_get_softc(dev); 151 152 id = uart_pci_match(dev, pci_ns8250_ids); 153 if (id != NULL) { 154 sc->sc_class = &uart_ns8250_class; 155 goto match; 156 } 157 /* Add checks for non-ns8250 IDs here. */ 158 return (ENXIO); 159 160 match: 161 if (id->desc) 162 device_set_desc(dev, id->desc); 163 return (uart_bus_probe(dev, 0, id->rclk, id->rid, 0)); 164 } 165 166 DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, 0, 0); 167