2 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Lennart Augustsson (augustss@carlstedt.se) at
7 * Carlstedt Research & Technology.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
37 * $FreeBSD: src/sys/dev/usb/uhci_pci.c,v 1.57 2005/03/01 07:50:11 imp Exp $
40 /* Universal Host Controller Interface
42 * UHCI spec: http://www.intel.com/
45 /* The low level controller code for UHCI has been split into
46 * PCI probes and UHCI specific code. This was done to facilitate the
47 * sharing of code between *BSD's
52 #include <sys/param.h>
53 #include <sys/systm.h>
54 #include <sys/kernel.h>
55 #include <sys/module.h>
57 #include <sys/queue.h>
60 #include <bus/pci/pcivar.h>
61 #include <bus/pci/pcireg.h>
63 #include <bus/usb/usb.h>
64 #include <bus/usb/usbdi.h>
65 #include <bus/usb/usbdivar.h>
66 #include <bus/usb/usb_mem.h>
68 #include <bus/usb/uhcireg.h>
69 #include <bus/usb/uhcivar.h>
71 #define PCI_UHCI_VENDORID_INTEL 0x8086
72 #define PCI_UHCI_VENDORID_VIA 0x1106
74 #define PCI_UHCI_DEVICEID_PIIX3 0x70208086
75 static const char *uhci_device_piix3 = "Intel 82371SB (PIIX3) USB controller";
77 #define PCI_UHCI_DEVICEID_PIIX4 0x71128086
78 #define PCI_UHCI_DEVICEID_PIIX4E 0x71128086 /* no separate stepping */
79 static const char *uhci_device_piix4 = "Intel 82371AB/EB (PIIX4) USB controller";
81 #define PCI_UHCI_DEVICEID_ICH 0x24128086
82 static const char *uhci_device_ich = "Intel 82801AA (ICH) USB controller";
84 #define PCI_UHCI_DEVICEID_ICH0 0x24228086
85 static const char *uhci_device_ich0 = "Intel 82801AB (ICH0) USB controller";
87 #define PCI_UHCI_DEVICEID_ICH2_A 0x24428086
88 static const char *uhci_device_ich2_a = "Intel 82801BA/BAM (ICH2) USB controller USB-A";
90 #define PCI_UHCI_DEVICEID_ICH2_B 0x24448086
91 static const char *uhci_device_ich2_b = "Intel 82801BA/BAM (ICH2) USB controller USB-B";
93 #define PCI_UHCI_DEVICEID_ICH3_A 0x24828086
94 static const char *uhci_device_ich3_a = "Intel 82801CA/CAM (ICH3) USB controller USB-A";
96 #define PCI_UHCI_DEVICEID_ICH3_B 0x24848086
97 static const char *uhci_device_ich3_b = "Intel 82801CA/CAM (ICH3) USB controller USB-B";
99 #define PCI_UHCI_DEVICEID_ICH3_C 0x24878086
100 static const char *uhci_device_ich3_c = "Intel 82801CA/CAM (ICH3) USB controller USB-C";
102 #define PCI_UHCI_DEVICEID_ICH4_A 0x24c28086
103 static const char *uhci_device_ich4_a = "Intel 82801DB (ICH4) USB controller USB-A";
105 #define PCI_UHCI_DEVICEID_ICH4_B 0x24c48086
106 static const char *uhci_device_ich4_b = "Intel 82801DB (ICH4) USB controller USB-B";
108 #define PCI_UHCI_DEVICEID_ICH4_C 0x24c78086
109 static const char *uhci_device_ich4_c = "Intel 82801DB (ICH4) USB controller USB-C";
111 #define PCI_UHCI_DEVICEID_ICH5_A 0x24d28086
112 static const char *uhci_device_ich5_a = "Intel 82801EB (ICH5) USB controller USB-A";
114 #define PCI_UHCI_DEVICEID_ICH5_B 0x24d48086
115 static const char *uhci_device_ich5_b = "Intel 82801EB (ICH5) USB controller USB-B";
117 #define PCI_UHCI_DEVICEID_ICH5_C 0x24d78086
118 static const char *uhci_device_ich5_c = "Intel 82801EB (ICH5) USB controller USB-C";
120 #define PCI_UHCI_DEVICEID_ICH5_D 0x24de8086
121 static const char *uhci_device_ich5_d = "Intel 82801EB (ICH5) USB controller USB-D";
123 #define PCI_UHCI_DEVICEID_ICH6_A 0x26588086
124 static const char *uhci_device_ich6_a = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A";
126 #define PCI_UHCI_DEVICEID_ICH6_B 0x26598086
127 static const char *uhci_device_ich6_b = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B";
129 #define PCI_UHCI_DEVICEID_ICH6_C 0x265a8086
130 static const char *uhci_device_ich6_c = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C";
132 #define PCI_UHCI_DEVICEID_ICH6_D 0x265b8086
133 static const char *uhci_device_ich6_d = "Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D";
135 #define PCI_UHCI_DEVICEID_63XXESB_1 0x26888086
136 static const char *uhci_device_esb_1 = "Intel 631XESB/632XESB/3100 USB controller USB-1";
138 #define PCI_UHCI_DEVICEID_63XXESB_2 0x26898086
139 static const char *uhci_device_esb_2 = "Intel 631XESB/632XESB/3100 USB controller USB-2";
141 #define PCI_UHCI_DEVICEID_63XXESB_3 0x268a8086
142 static const char *uhci_device_esb_3 = "Intel 631XESB/632XESB/3100 USB controller USB-3";
144 #define PCI_UHCI_DEVICEID_63XXESB_4 0x268b8086
145 static const char *uhci_device_esb_4 = "Intel 631XESB/632XESB/3100 USB controller USB-4";
147 #define PCI_UHCI_DEVICEID_ICH7_A 0x27c88086
148 #define PCI_UHCI_DEVICEID_ICH7_B 0x27c98086
149 #define PCI_UHCI_DEVICEID_ICH7_C 0x27ca8086
150 #define PCI_UHCI_DEVICEID_ICH7_D 0x27cb8086
151 static const char *uhci_device_ich7 = "Intel 82801G (ICH7) USB controller";
153 #define PCI_UHCI_DEVICEID_ICH8_A 0x28308086
154 static const char *uhci_device_ich8_a = "Intel 82801H (ICH8) USB controller USB-A";
156 #define PCI_UHCI_DEVICEID_ICH8_B 0x28318086
157 static const char *uhci_device_ich8_b = "Intel 82801H (ICH8) USB controller USB-B";
159 #define PCI_UHCI_DEVICEID_ICH8_C 0x28328086
160 static const char *uhci_device_ich8_c = "Intel 82801H (ICH8) USB controller USB-C";
162 #define PCI_UHCI_DEVICEID_ICH8_D 0x28348086
163 static const char *uhci_device_ich8_d = "Intel 82801H (ICH8) USB controller USB-D";
165 #define PCI_UHCI_DEVICEID_ICH8_E 0x28358086
166 static const char *uhci_device_ich8_e = "Intel 82801H (ICH8) USB controller USB-E";
168 #define PCI_UHCI_DEVICEID_ICH9_A 0x29348086
169 #define PCI_UHCI_DEVICEID_ICH9_B 0x29358086
170 #define PCI_UHCI_DEVICEID_ICH9_C 0x29368086
171 #define PCI_UHCI_DEVICEID_ICH9_D 0x29378086
172 #define PCI_UHCI_DEVICEID_ICH9_E 0x29388086
173 #define PCI_UHCI_DEVICEID_ICH9_F 0x29398086
174 static const char *uhci_device_ich9 = "Intel 82801I (ICH9) USB controller";
176 #define PCI_UHCI_DEVICEID_440MX 0x719a8086
177 static const char *uhci_device_440mx = "Intel 82443MX USB controller";
179 #define PCI_UHCI_DEVICEID_460GX 0x76028086
180 static const char *uhci_device_460gx = "Intel 82372FB/82468GX USB controller";
182 #define PCI_UHCI_DEVICEID_VT83C572 0x30381106
183 static const char *uhci_device_vt83c572 = "VIA 83C572 USB controller";
185 static const char *uhci_device_generic = "UHCI (generic) USB controller";
187 #define PCI_UHCI_BASE_REG 0x20
190 static int uhci_pci_attach(device_t self);
191 static int uhci_pci_detach(device_t self);
192 static int uhci_pci_suspend(device_t self);
193 static int uhci_pci_resume(device_t self);
197 uhci_pci_suspend(device_t self)
199 uhci_softc_t *sc = device_get_softc(self);
202 err = bus_generic_suspend(self);
205 uhci_power(PWR_SUSPEND, sc);
211 uhci_pci_resume(device_t self)
213 uhci_softc_t *sc = device_get_softc(self);
215 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
217 uhci_power(PWR_RESUME, sc);
218 bus_generic_resume(self);
224 uhci_pci_match(device_t self)
226 u_int32_t device_id = pci_get_devid(self);
228 if (device_id == PCI_UHCI_DEVICEID_PIIX3) {
229 return (uhci_device_piix3);
230 } else if (device_id == PCI_UHCI_DEVICEID_PIIX4) {
231 return (uhci_device_piix4);
232 } else if (device_id == PCI_UHCI_DEVICEID_ICH) {
233 return (uhci_device_ich);
234 } else if (device_id == PCI_UHCI_DEVICEID_ICH0) {
235 return (uhci_device_ich0);
236 } else if (device_id == PCI_UHCI_DEVICEID_ICH2_A) {
237 return (uhci_device_ich2_a);
238 } else if (device_id == PCI_UHCI_DEVICEID_ICH2_B) {
239 return (uhci_device_ich2_b);
240 } else if (device_id == PCI_UHCI_DEVICEID_ICH3_A) {
241 return (uhci_device_ich3_a);
242 } else if (device_id == PCI_UHCI_DEVICEID_ICH3_B) {
243 return (uhci_device_ich3_b);
244 } else if (device_id == PCI_UHCI_DEVICEID_ICH3_C) {
245 return (uhci_device_ich3_c);
246 } else if (device_id == PCI_UHCI_DEVICEID_ICH4_A) {
247 return (uhci_device_ich4_a);
248 } else if (device_id == PCI_UHCI_DEVICEID_ICH4_B) {
249 return (uhci_device_ich4_b);
250 } else if (device_id == PCI_UHCI_DEVICEID_ICH4_C) {
251 return (uhci_device_ich4_c);
252 } else if (device_id == PCI_UHCI_DEVICEID_ICH5_A) {
253 return (uhci_device_ich5_a);
254 } else if (device_id == PCI_UHCI_DEVICEID_ICH5_B) {
255 return (uhci_device_ich5_b);
256 } else if (device_id == PCI_UHCI_DEVICEID_ICH5_C) {
257 return (uhci_device_ich5_c);
258 } else if (device_id == PCI_UHCI_DEVICEID_ICH5_D) {
259 return (uhci_device_ich5_d);
260 } else if (device_id == PCI_UHCI_DEVICEID_ICH6_A) {
261 return (uhci_device_ich6_a);
262 } else if (device_id == PCI_UHCI_DEVICEID_ICH6_B) {
263 return (uhci_device_ich6_b);
264 } else if (device_id == PCI_UHCI_DEVICEID_ICH6_C) {
265 return (uhci_device_ich6_c);
266 } else if (device_id == PCI_UHCI_DEVICEID_ICH6_D) {
267 return (uhci_device_ich6_d);
268 } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_1) {
269 return (uhci_device_esb_1);
270 } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_2) {
271 return (uhci_device_esb_2);
272 } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_3) {
273 return (uhci_device_esb_3);
274 } else if (device_id == PCI_UHCI_DEVICEID_63XXESB_4) {
275 return (uhci_device_esb_4);
276 } else if (device_id == PCI_UHCI_DEVICEID_ICH7_A) {
277 return (uhci_device_ich7);
278 } else if (device_id == PCI_UHCI_DEVICEID_ICH7_B) {
279 return (uhci_device_ich7);
280 } else if (device_id == PCI_UHCI_DEVICEID_ICH7_C) {
281 return (uhci_device_ich7);
282 } else if (device_id == PCI_UHCI_DEVICEID_ICH7_D) {
283 return (uhci_device_ich7);
284 } else if (device_id == PCI_UHCI_DEVICEID_ICH8_A) {
285 return (uhci_device_ich8_a);
286 } else if (device_id == PCI_UHCI_DEVICEID_ICH8_B) {
287 return (uhci_device_ich8_b);
288 } else if (device_id == PCI_UHCI_DEVICEID_ICH8_C) {
289 return (uhci_device_ich8_c);
290 } else if (device_id == PCI_UHCI_DEVICEID_ICH8_D) {
291 return (uhci_device_ich8_d);
292 } else if (device_id == PCI_UHCI_DEVICEID_ICH8_E) {
293 return (uhci_device_ich8_e);
294 } else if (device_id == PCI_UHCI_DEVICEID_ICH9_A) {
295 return (uhci_device_ich9);
296 } else if (device_id == PCI_UHCI_DEVICEID_ICH9_B) {
297 return (uhci_device_ich9);
298 } else if (device_id == PCI_UHCI_DEVICEID_ICH9_C) {
299 return (uhci_device_ich9);
300 } else if (device_id == PCI_UHCI_DEVICEID_ICH9_D) {
301 return (uhci_device_ich9);
302 } else if (device_id == PCI_UHCI_DEVICEID_ICH9_E) {
303 return (uhci_device_ich9);
304 } else if (device_id == PCI_UHCI_DEVICEID_ICH9_F) {
305 return (uhci_device_ich9);
306 } else if (device_id == PCI_UHCI_DEVICEID_440MX) {
307 return (uhci_device_440mx);
308 } else if (device_id == PCI_UHCI_DEVICEID_460GX) {
309 return (uhci_device_460gx);
310 } else if (device_id == PCI_UHCI_DEVICEID_VT83C572) {
311 return (uhci_device_vt83c572);
313 if (pci_get_class(self) == PCIC_SERIALBUS
314 && pci_get_subclass(self) == PCIS_SERIALBUS_USB
315 && pci_get_progif(self) == PCI_INTERFACE_UHCI) {
316 return (uhci_device_generic);
320 return NULL; /* dunno... */
324 uhci_pci_probe(device_t self)
326 const char *desc = uhci_pci_match(self);
329 device_set_desc(self, desc);
337 uhci_pci_attach(device_t self)
339 uhci_softc_t *sc = device_get_softc(self);
343 pci_enable_busmaster(self);
345 rid = PCI_UHCI_BASE_REG;
346 sc->io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid,
349 device_printf(self, "Could not map ports\n");
352 sc->iot = rman_get_bustag(sc->io_res);
353 sc->ioh = rman_get_bushandle(sc->io_res);
355 /* disable interrupts */
356 bus_space_write_2(sc->iot, sc->ioh, UHCI_INTR, 0);
359 sc->irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
360 RF_SHAREABLE | RF_ACTIVE);
361 if (sc->irq_res == NULL) {
362 device_printf(self, "Could not allocate irq\n");
363 uhci_pci_detach(self);
366 sc->sc_bus.bdev = device_add_child(self, "usb", -1);
367 if (!sc->sc_bus.bdev) {
368 device_printf(self, "Could not add USB device\n");
369 uhci_pci_detach(self);
372 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
374 /* uhci_pci_match must never return NULL if uhci_pci_probe succeeded */
375 device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
376 switch (pci_get_vendor(self)) {
377 case PCI_UHCI_VENDORID_INTEL:
378 ksprintf(sc->sc_vendor, "Intel");
380 case PCI_UHCI_VENDORID_VIA:
381 ksprintf(sc->sc_vendor, "VIA");
385 device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
386 pci_get_devid(self));
387 ksprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
390 switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USBREV_MASK) {
391 case PCI_USBREV_PRE_1_0:
392 sc->sc_bus.usbrev = USBREV_PRE_1_0;
395 sc->sc_bus.usbrev = USBREV_1_0;
398 sc->sc_bus.usbrev = USBREV_UNKNOWN;
402 err = bus_setup_intr(self, sc->irq_res, 0,
403 (driver_intr_t *) uhci_intr, sc, &sc->ih, NULL);
405 device_printf(self, "Could not setup irq, %d\n", err);
407 uhci_pci_detach(self);
411 * Set the PIRQD enable bit and switch off all the others. We don't
412 * want legacy support to interfere with us XXX Does this also mean
413 * that the BIOS won't touch the keyboard anymore if it is connected
414 * to the ports of the root hub?
417 if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN)
418 device_printf(self, "LegSup = 0x%04x\n",
419 pci_read_config(self, PCI_LEGSUP, 2));
421 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
425 err = device_probe_and_attach(sc->sc_bus.bdev);
428 device_printf(self, "USB init failed\n");
429 uhci_pci_detach(self);
432 return 0; /* success */
436 uhci_pci_detach(device_t self)
438 uhci_softc_t *sc = device_get_softc(self);
440 if (sc->sc_flags & UHCI_SCFLG_DONEINIT) {
442 sc->sc_flags &= ~UHCI_SCFLG_DONEINIT;
446 if (sc->irq_res && sc->ih) {
447 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
450 /* XXX or should we panic? */
451 device_printf(self, "Could not tear down irq, %d\n",
455 if (sc->sc_bus.bdev) {
456 device_delete_child(self, sc->sc_bus.bdev);
457 sc->sc_bus.bdev = NULL;
460 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
464 bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG,
474 static device_method_t uhci_methods[] = {
475 /* Device interface */
476 DEVMETHOD(device_probe, uhci_pci_probe),
477 DEVMETHOD(device_attach, uhci_pci_attach),
478 DEVMETHOD(device_detach, uhci_pci_detach),
479 DEVMETHOD(device_suspend, uhci_pci_suspend),
480 DEVMETHOD(device_resume, uhci_pci_resume),
481 DEVMETHOD(device_shutdown, bus_generic_shutdown),
484 DEVMETHOD(bus_print_child, bus_generic_print_child),
489 static driver_t uhci_driver = {
492 sizeof(uhci_softc_t),
495 static devclass_t uhci_devclass;
497 DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, NULL, NULL);
498 DRIVER_MODULE(uhci, cardbus, uhci_driver, uhci_devclass, NULL, NULL);