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: stable/11/sys/dev/uart/uart_bus_pci.c 358552 2020-03-02 18:06:02Z jhibbits $"); 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 DEVMETHOD(device_resume, uart_bus_resume), 55 DEVMETHOD_END 56}; 57 58static driver_t uart_pci_driver = { 59 uart_driver_name, 60 uart_pci_methods, 61 sizeof(struct uart_softc), 62}; 63 64struct pci_id { 65 uint16_t vendor; 66 uint16_t device; 67 uint16_t subven; 68 uint16_t subdev; 69 const char *desc; 70 int rid; 71 int rclk; 72 int regshft; 73}; 74 75static const struct pci_id pci_ns8250_ids[] = { 76{ 0x1028, 0x0008, 0xffff, 0, "Dell Remote Access Card III", 0x14, 77 128 * DEFAULT_RCLK }, 78{ 0x1028, 0x0012, 0xffff, 0, "Dell RAC 4 Daughter Card Virtual UART", 0x14, 79 128 * DEFAULT_RCLK }, 80{ 0x1033, 0x0074, 0x1033, 0x8014, "NEC RCV56ACF 56k Voice Modem", 0x10 }, 81{ 0x1033, 0x007d, 0x1033, 0x8012, "NEC RS232C", 0x10 }, 82{ 0x103c, 0x1048, 0x103c, 0x1227, "HP Diva Serial [GSP] UART - Powerbar SP2", 83 0x10 }, 84{ 0x103c, 0x1048, 0x103c, 0x1301, "HP Diva RMP3", 0x14 }, 85{ 0x103c, 0x1290, 0xffff, 0, "HP Auxiliary Diva Serial Port", 0x18 }, 86{ 0x103c, 0x3301, 0xffff, 0, "HP iLO serial port", 0x10 }, 87{ 0x11c1, 0x0480, 0xffff, 0, "Agere Systems Venus Modem (V90, 56KFlex)", 0x14 }, 88{ 0x115d, 0x0103, 0xffff, 0, "Xircom Cardbus Ethernet + 56k Modem", 0x10 }, 89{ 0x125b, 0x9100, 0xa000, 0x1000, 90 "ASIX AX99100 PCIe 1/2/3/4-port RS-232/422/485", 0x10 }, 91{ 0x1282, 0x6585, 0xffff, 0, "Davicom 56PDV PCI Modem", 0x10 }, 92{ 0x12b9, 0x1008, 0xffff, 0, "3Com 56K FaxModem Model 5610", 0x10 }, 93{ 0x131f, 0x1000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x18 }, 94{ 0x131f, 0x1001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x18 }, 95{ 0x131f, 0x1002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x18 }, 96{ 0x131f, 0x2000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x10 }, 97{ 0x131f, 0x2001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x10 }, 98{ 0x131f, 0x2002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x10 }, 99{ 0x135c, 0x0190, 0xffff, 0, "Quatech SSCLP-100", 0x18 }, 100{ 0x135c, 0x01c0, 0xffff, 0, "Quatech SSCLP-200/300", 0x18 }, 101{ 0x135e, 0x7101, 0xffff, 0, "Sealevel Systems Single Port RS-232/422/485/530", 102 0x18 }, 103{ 0x1407, 0x0110, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port A", 0x10 }, 104{ 0x1407, 0x0111, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port B", 0x10 }, 105{ 0x1407, 0x0510, 0xffff, 0, "Lava SP Serial 550 PCI", 0x10 }, 106{ 0x1409, 0x7168, 0x1409, 0x4025, "Timedia Technology Serial Port", 0x10, 107 8 * DEFAULT_RCLK }, 108{ 0x1409, 0x7168, 0x1409, 0x4027, "Timedia Technology Serial Port", 0x10, 109 8 * DEFAULT_RCLK }, 110{ 0x1409, 0x7168, 0x1409, 0x4028, "Timedia Technology Serial Port", 0x10, 111 8 * DEFAULT_RCLK }, 112{ 0x1409, 0x7168, 0x1409, 0x5025, "Timedia Technology Serial Port", 0x10, 113 8 * DEFAULT_RCLK }, 114{ 0x1409, 0x7168, 0x1409, 0x5027, "Timedia Technology Serial Port", 0x10, 115 8 * DEFAULT_RCLK }, 116{ 0x1415, 0x950b, 0xffff, 0, "Oxford Semiconductor OXCB950 Cardbus 16950 UART", 117 0x10, 16384000 }, 118{ 0x1415, 0xc120, 0xffff, 0, "Oxford Semiconductor OXPCIe952 PCIe 16950 UART", 119 0x10 }, 120{ 0x14e4, 0x160a, 0xffff, 0, "Broadcom TruManage UART", 0x10, 121 128 * DEFAULT_RCLK, 2}, 122{ 0x14e4, 0x4344, 0xffff, 0, "Sony Ericsson GC89 PC Card", 0x10}, 123{ 0x151f, 0x0000, 0xffff, 0, "TOPIC Semiconductor TP560 56k modem", 0x10 }, 124{ 0x1fd4, 0x1999, 0x1fd4, 0x0001, "Sunix SER5xxxx Serial Port", 0x10, 125 8 * DEFAULT_RCLK }, 126{ 0x8086, 0x0f0a, 0xffff, 0, "Intel ValleyView LPIO1 HSUART#1", 0x10, 127 24 * DEFAULT_RCLK, 2 }, 128{ 0x8086, 0x0f0c, 0xffff, 0, "Intel ValleyView LPIO1 HSUART#2", 0x10, 129 24 * DEFAULT_RCLK, 2 }, 130{ 0x8086, 0x108f, 0xffff, 0, "Intel AMT - SOL", 0x10 }, 131{ 0x8086, 0x19d8, 0xffff, 0, "Intel Denverton UART", 0x10 }, 132{ 0x8086, 0x1c3d, 0xffff, 0, "Intel AMT - KT Controller", 0x10 }, 133{ 0x8086, 0x1d3d, 0xffff, 0, "Intel C600/X79 Series Chipset KT Controller", 0x10 }, 134{ 0x8086, 0x1e3d, 0xffff, 0, "Intel Panther Point KT Controller", 0x10 }, 135{ 0x8086, 0x228a, 0xffff, 0, "Intel Cherryview SIO HSUART#1", 0x10, 136 24 * DEFAULT_RCLK, 2 }, 137{ 0x8086, 0x228c, 0xffff, 0, "Intel Cherryview SIO HSUART#2", 0x10, 138 24 * DEFAULT_RCLK, 2 }, 139{ 0x8086, 0x2a07, 0xffff, 0, "Intel AMT - PM965/GM965 KT Controller", 0x10 }, 140{ 0x8086, 0x2a47, 0xffff, 0, "Mobile 4 Series Chipset KT Controller", 0x10 }, 141{ 0x8086, 0x2e17, 0xffff, 0, "4 Series Chipset Serial KT Controller", 0x10 }, 142{ 0x8086, 0x3b67, 0xffff, 0, "5 Series/3400 Series Chipset KT Controller", 143 0x10 }, 144{ 0x8086, 0x8811, 0xffff, 0, "Intel EG20T Serial Port 0", 0x10 }, 145{ 0x8086, 0x8812, 0xffff, 0, "Intel EG20T Serial Port 1", 0x10 }, 146{ 0x8086, 0x8813, 0xffff, 0, "Intel EG20T Serial Port 2", 0x10 }, 147{ 0x8086, 0x8814, 0xffff, 0, "Intel EG20T Serial Port 3", 0x10 }, 148{ 0x8086, 0x8c3d, 0xffff, 0, "Intel Lynx Point KT Controller", 0x10 }, 149{ 0x8086, 0x8cbd, 0xffff, 0, "Intel Wildcat Point KT Controller", 0x10 }, 150{ 0x8086, 0x9c3d, 0xffff, 0, "Intel Lynx Point-LP HECI KT", 0x10 }, 151{ 0x9710, 0x9820, 0x1000, 1, "NetMos NM9820 Serial Port", 0x10 }, 152{ 0x9710, 0x9835, 0x1000, 1, "NetMos NM9835 Serial Port", 0x10 }, 153{ 0x9710, 0x9865, 0xa000, 0x1000, "NetMos NM9865 Serial Port", 0x10 }, 154{ 0x9710, 0x9900, 0xa000, 0x1000, 155 "MosChip MCS9900 PCIe to Peripheral Controller", 0x10 }, 156{ 0x9710, 0x9901, 0xa000, 0x1000, 157 "MosChip MCS9901 PCIe to Peripheral Controller", 0x10 }, 158{ 0x9710, 0x9904, 0xa000, 0x1000, 159 "MosChip MCS9904 PCIe to Peripheral Controller", 0x10 }, 160{ 0x9710, 0x9922, 0xa000, 0x1000, 161 "MosChip MCS9922 PCIe to Peripheral Controller", 0x10 }, 162{ 0xdeaf, 0x9051, 0xffff, 0, "Middle Digital PC Weasel Serial Port", 0x10 }, 163{ 0xffff, 0, 0xffff, 0, NULL, 0, 0} 164}; 165 166const static struct pci_id * 167uart_pci_match(device_t dev, const struct pci_id *id) 168{ 169 uint16_t device, subdev, subven, vendor; 170 171 vendor = pci_get_vendor(dev); 172 device = pci_get_device(dev); 173 while (id->vendor != 0xffff && 174 (id->vendor != vendor || id->device != device)) 175 id++; 176 if (id->vendor == 0xffff) 177 return (NULL); 178 if (id->subven == 0xffff) 179 return (id); 180 subven = pci_get_subvendor(dev); 181 subdev = pci_get_subdevice(dev); 182 while (id->vendor == vendor && id->device == device && 183 (id->subven != subven || id->subdev != subdev)) 184 id++; 185 return ((id->vendor == vendor && id->device == device) ? id : NULL); 186} 187 188static int 189uart_pci_probe(device_t dev) 190{ 191 struct uart_softc *sc; 192 const struct pci_id *id; 193 int result; 194 195 sc = device_get_softc(dev); 196 197 id = uart_pci_match(dev, pci_ns8250_ids); 198 if (id != NULL) { 199 sc->sc_class = &uart_ns8250_class; 200 goto match; 201 } 202 /* Add checks for non-ns8250 IDs here. */ 203 return (ENXIO); 204 205 match: 206 result = uart_bus_probe(dev, id->regshft, 0, id->rclk, id->rid, 0, 0); 207 /* Bail out on error. */ 208 if (result > 0) 209 return (result); 210 /* Set/override the device description. */ 211 if (id->desc) 212 device_set_desc(dev, id->desc); 213 return (result); 214} 215 216DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, NULL, NULL); 217