xref: /freebsd/sys/dev/uart/uart_bus_pci.c (revision ec273ebf3b6aed5fba8c56b6ece5ad8693a48ea7)
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 	DEVMETHOD(device_resume,	uart_bus_resume),
55 	DEVMETHOD_END
56 };
57 
58 static driver_t uart_pci_driver = {
59 	uart_driver_name,
60 	uart_pci_methods,
61 	sizeof(struct uart_softc),
62 };
63 
64 struct 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 };
73 
74 static const struct pci_id pci_ns8250_ids[] = {
75 { 0x1028, 0x0008, 0xffff, 0, "Dell Remote Access Card III", 0x14,
76 	128 * DEFAULT_RCLK },
77 { 0x1028, 0x0012, 0xffff, 0, "Dell RAC 4 Daughter Card Virtual UART", 0x14,
78 	128 * DEFAULT_RCLK },
79 { 0x1033, 0x0074, 0x1033, 0x8014, "NEC RCV56ACF 56k Voice Modem", 0x10 },
80 { 0x1033, 0x007d, 0x1033, 0x8012, "NEC RS232C", 0x10 },
81 { 0x103c, 0x1048, 0x103c, 0x1227, "HP Diva Serial [GSP] UART - Powerbar SP2",
82 	0x10 },
83 { 0x103c, 0x1048, 0x103c, 0x1301, "HP Diva RMP3", 0x14 },
84 { 0x103c, 0x1290, 0xffff, 0, "HP Auxiliary Diva Serial Port", 0x18 },
85 { 0x103c, 0x3301, 0xffff, 0, "HP iLO serial port", 0x10 },
86 { 0x11c1, 0x0480, 0xffff, 0, "Agere Systems Venus Modem (V90, 56KFlex)", 0x14 },
87 { 0x115d, 0x0103, 0xffff, 0, "Xircom Cardbus Ethernet + 56k Modem", 0x10 },
88 { 0x1282, 0x6585, 0xffff, 0, "Davicom 56PDV PCI Modem", 0x10 },
89 { 0x12b9, 0x1008, 0xffff, 0, "3Com 56K FaxModem Model 5610", 0x10 },
90 { 0x131f, 0x1000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x18 },
91 { 0x131f, 0x1001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x18 },
92 { 0x131f, 0x1002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x18 },
93 { 0x131f, 0x2000, 0xffff, 0, "Siig CyberSerial (1-port) 16550", 0x10 },
94 { 0x131f, 0x2001, 0xffff, 0, "Siig CyberSerial (1-port) 16650", 0x10 },
95 { 0x131f, 0x2002, 0xffff, 0, "Siig CyberSerial (1-port) 16850", 0x10 },
96 { 0x135c, 0x0190, 0xffff, 0, "Quatech SSCLP-100", 0x18 },
97 { 0x135c, 0x01c0, 0xffff, 0, "Quatech SSCLP-200/300", 0x18 },
98 { 0x135e, 0x7101, 0xffff, 0, "Sealevel Systems Single Port RS-232/422/485/530",
99 	0x18 },
100 { 0x1407, 0x0110, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port A", 0x10 },
101 { 0x1407, 0x0111, 0xffff, 0, "Lava Computer mfg DSerial-PCI Port B", 0x10 },
102 { 0x1407, 0x0510, 0xffff, 0, "Lava SP Serial 550 PCI", 0x10 },
103 { 0x1409, 0x7168, 0x1409, 0x4025, "Timedia Technology Serial Port", 0x10,
104 	8 * DEFAULT_RCLK },
105 { 0x1409, 0x7168, 0x1409, 0x4027, "Timedia Technology Serial Port", 0x10,
106 	8 * DEFAULT_RCLK },
107 { 0x1409, 0x7168, 0x1409, 0x4028, "Timedia Technology Serial Port", 0x10,
108 	8 * DEFAULT_RCLK },
109 { 0x1409, 0x7168, 0x1409, 0x5025, "Timedia Technology Serial Port", 0x10,
110 	8 * DEFAULT_RCLK },
111 { 0x1409, 0x7168, 0x1409, 0x5027, "Timedia Technology Serial Port", 0x10,
112 	8 * DEFAULT_RCLK },
113 { 0x1415, 0x950b, 0xffff, 0, "Oxford Semiconductor OXCB950 Cardbus 16950 UART",
114 	0x10, 16384000 },
115 { 0x1415, 0xc120, 0xffff, 0, "Oxford Semiconductor OXPCIe952 PCIe 16950 UART",
116 	0x10 },
117 { 0x14e4, 0x4344, 0xffff, 0, "Sony Ericsson GC89 PC Card", 0x10},
118 { 0x151f, 0x0000, 0xffff, 0, "TOPIC Semiconductor TP560 56k modem", 0x10 },
119 { 0x1fd4, 0x1999, 0x1fd4, 0x0001, "Sunix SER5xxxx Serial Port", 0x10,
120 	8 * DEFAULT_RCLK },
121 { 0x8086, 0x1c3d, 0xffff, 0, "Intel AMT - KT Controller", 0x10 },
122 { 0x8086, 0x1d3d, 0xffff, 0, "Intel C600/X79 Series Chipset KT Controller", 0x10 },
123 { 0x8086, 0x2a07, 0xffff, 0, "Intel AMT - PM965/GM965 KT Controller", 0x10 },
124 { 0x8086, 0x2a47, 0xffff, 0, "Mobile 4 Series Chipset KT Controller", 0x10 },
125 { 0x8086, 0x2e17, 0xffff, 0, "4 Series Chipset Serial KT Controller", 0x10 },
126 { 0x8086, 0x3b67, 0xffff, 0, "5 Series/3400 Series Chipset KT Controller",
127 	0x10 },
128 { 0x8086, 0x8811, 0xffff, 0, "Intel EG20T Serial Port 0", 0x10 },
129 { 0x8086, 0x8812, 0xffff, 0, "Intel EG20T Serial Port 1", 0x10 },
130 { 0x8086, 0x8813, 0xffff, 0, "Intel EG20T Serial Port 2", 0x10 },
131 { 0x8086, 0x8814, 0xffff, 0, "Intel EG20T Serial Port 3", 0x10 },
132 { 0x8086, 0x8c3d, 0xffff, 0, "Intel Lynx Point KT Controller", 0x10 },
133 { 0x8086, 0x8cbd, 0xffff, 0, "Intel Wildcat Point KT Controller", 0x10 },
134 { 0x9710, 0x9820, 0x1000, 1, "NetMos NM9820 Serial Port", 0x10 },
135 { 0x9710, 0x9835, 0x1000, 1, "NetMos NM9835 Serial Port", 0x10 },
136 { 0x9710, 0x9865, 0xa000, 0x1000, "NetMos NM9865 Serial Port", 0x10 },
137 { 0x9710, 0x9900, 0xa000, 0x1000,
138 	"MosChip MCS9900 PCIe to Peripheral Controller", 0x10 },
139 { 0x9710, 0x9901, 0xa000, 0x1000,
140 	"MosChip MCS9901 PCIe to Peripheral Controller", 0x10 },
141 { 0x9710, 0x9904, 0xa000, 0x1000,
142 	"MosChip MCS9904 PCIe to Peripheral Controller", 0x10 },
143 { 0x9710, 0x9922, 0xa000, 0x1000,
144 	"MosChip MCS9922 PCIe to Peripheral Controller", 0x10 },
145 { 0xdeaf, 0x9051, 0xffff, 0, "Middle Digital PC Weasel Serial Port", 0x10 },
146 { 0xffff, 0, 0xffff, 0, NULL, 0, 0}
147 };
148 
149 const static struct pci_id *
150 uart_pci_match(device_t dev, const struct pci_id *id)
151 {
152 	uint16_t device, subdev, subven, vendor;
153 
154 	vendor = pci_get_vendor(dev);
155 	device = pci_get_device(dev);
156 	while (id->vendor != 0xffff &&
157 	    (id->vendor != vendor || id->device != device))
158 		id++;
159 	if (id->vendor == 0xffff)
160 		return (NULL);
161 	if (id->subven == 0xffff)
162 		return (id);
163 	subven = pci_get_subvendor(dev);
164 	subdev = pci_get_subdevice(dev);
165 	while (id->vendor == vendor && id->device == device &&
166 	    (id->subven != subven || id->subdev != subdev))
167 		id++;
168 	return ((id->vendor == vendor && id->device == device) ? id : NULL);
169 }
170 
171 static int
172 uart_pci_probe(device_t dev)
173 {
174 	struct uart_softc *sc;
175 	const struct pci_id *id;
176 	int result;
177 
178 	sc = device_get_softc(dev);
179 
180 	id = uart_pci_match(dev, pci_ns8250_ids);
181 	if (id != NULL) {
182 		sc->sc_class = &uart_ns8250_class;
183 		goto match;
184 	}
185 	/* Add checks for non-ns8250 IDs here. */
186 	return (ENXIO);
187 
188  match:
189 	result = uart_bus_probe(dev, 0, id->rclk, id->rid, 0);
190 	/* Bail out on error. */
191 	if (result > 0)
192 		return (result);
193 	/* Set/override the device description. */
194 	if (id->desc)
195 		device_set_desc(dev, id->desc);
196 	return (result);
197 }
198 
199 DRIVER_MODULE(uart, pci, uart_pci_driver, uart_devclass, NULL, NULL);
200