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.
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD$");
41 /* Universal Host Controller Interface
43 * UHCI spec: http://www.intel.com/
46 /* The low level controller code for UHCI has been split into
47 * PCI probes and UHCI specific code. This was done to facilitate the
48 * sharing of code between *BSD's
51 #include <sys/stdint.h>
52 #include <sys/stddef.h>
53 #include <sys/param.h>
54 #include <sys/queue.h>
55 #include <sys/types.h>
56 #include <sys/systm.h>
57 #include <sys/kernel.h>
59 #include <sys/linker_set.h>
60 #include <sys/module.h>
62 #include <sys/mutex.h>
63 #include <sys/condvar.h>
64 #include <sys/sysctl.h>
66 #include <sys/unistd.h>
67 #include <sys/callout.h>
68 #include <sys/malloc.h>
71 #include <dev/usb/usb.h>
72 #include <dev/usb/usbdi.h>
74 #include <dev/usb/usb_core.h>
75 #include <dev/usb/usb_busdma.h>
76 #include <dev/usb/usb_process.h>
77 #include <dev/usb/usb_util.h>
78 #include <dev/usb/usb_debug.h>
80 #include <dev/usb/usb_controller.h>
81 #include <dev/usb/usb_bus.h>
82 #include <dev/usb/usb_pci.h>
83 #include <dev/usb/controller/uhci.h>
84 #include <dev/usb/controller/uhcireg.h>
86 #define PCI_UHCI_VENDORID_INTEL 0x8086
87 #define PCI_UHCI_VENDORID_VIA 0x1106
89 /* PIIX4E has no separate stepping */
91 static device_probe_t uhci_pci_probe;
92 static device_attach_t uhci_pci_attach;
93 static device_detach_t uhci_pci_detach;
94 static device_suspend_t uhci_pci_suspend;
95 static device_resume_t uhci_pci_resume;
98 uhci_pci_suspend(device_t self)
100 uhci_softc_t *sc = device_get_softc(self);
103 err = bus_generic_suspend(self);
112 uhci_pci_resume(device_t self)
114 uhci_softc_t *sc = device_get_softc(self);
116 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
120 bus_generic_resume(self);
125 uhci_pci_match(device_t self)
127 uint32_t device_id = pci_get_devid(self);
131 return ("Intel 631XESB/632XESB/3100 USB controller USB-1");
134 return ("Intel 631XESB/632XESB/3100 USB controller USB-2");
137 return ("Intel 631XESB/632XESB/3100 USB controller USB-3");
140 return ("Intel 631XESB/632XESB/3100 USB controller USB-4");
143 return ("Intel 82371SB (PIIX3) USB controller");
146 return ("Intel 82371AB/EB (PIIX4) USB controller");
149 return ("Intel 82801AA (ICH) USB controller");
152 return ("Intel 82801AB (ICH0) USB controller");
155 return ("Intel 82801BA/BAM (ICH2) USB controller USB-A");
158 return ("Intel 82801BA/BAM (ICH2) USB controller USB-B");
161 return ("Intel 82801CA/CAM (ICH3) USB controller USB-A");
164 return ("Intel 82801CA/CAM (ICH3) USB controller USB-B");
167 return ("Intel 82801CA/CAM (ICH3) USB controller USB-C");
170 return ("Intel 82801DB (ICH4) USB controller USB-A");
173 return ("Intel 82801DB (ICH4) USB controller USB-B");
176 return ("Intel 82801DB (ICH4) USB controller USB-C");
179 return ("Intel 82801EB (ICH5) USB controller USB-A");
182 return ("Intel 82801EB (ICH5) USB controller USB-B");
185 return ("Intel 82801EB (ICH5) USB controller USB-C");
188 return ("Intel 82801EB (ICH5) USB controller USB-D");
191 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A");
194 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B");
197 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C");
200 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D");
203 return ("Intel 82801G (ICH7) USB controller USB-A");
205 return ("Intel 82801G (ICH7) USB controller USB-B");
207 return ("Intel 82801G (ICH7) USB controller USB-C");
209 return ("Intel 82801G (ICH7) USB controller USB-D");
212 return ("Intel 82801H (ICH8) USB controller USB-A");
214 return ("Intel 82801H (ICH8) USB controller USB-B");
216 return ("Intel 82801H (ICH8) USB controller USB-C");
218 return ("Intel 82801H (ICH8) USB controller USB-D");
220 return ("Intel 82801H (ICH8) USB controller USB-E");
222 return ("Intel 82801I (ICH9) USB controller");
224 return ("Intel 82801I (ICH9) USB controller");
226 return ("Intel 82801I (ICH9) USB controller");
228 return ("Intel 82801I (ICH9) USB controller");
230 return ("Intel 82801I (ICH9) USB controller");
232 return ("Intel 82801I (ICH9) USB controller");
234 return ("Intel 82801JI (ICH10) USB controller USB-A");
236 return ("Intel 82801JI (ICH10) USB controller USB-B");
238 return ("Intel 82801JI (ICH10) USB controller USB-C");
240 return ("Intel 82801JI (ICH10) USB controller USB-D");
242 return ("Intel 82801JI (ICH10) USB controller USB-E");
244 return ("Intel 82801JI (ICH10) USB controller USB-F");
247 return ("Intel 82443MX USB controller");
250 return ("Intel 82372FB/82468GX USB controller");
253 return ("VIA 83C572 USB controller");
259 if ((pci_get_class(self) == PCIC_SERIALBUS) &&
260 (pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
261 (pci_get_progif(self) == PCI_INTERFACE_UHCI)) {
262 return ("UHCI (generic) USB controller");
268 uhci_pci_probe(device_t self)
270 const char *desc = uhci_pci_match(self);
273 device_set_desc(self, desc);
281 uhci_pci_attach(device_t self)
283 uhci_softc_t *sc = device_get_softc(self);
287 /* initialise some bus fields */
288 sc->sc_bus.parent = self;
289 sc->sc_bus.devices = sc->sc_devices;
290 sc->sc_bus.devices_max = UHCI_MAX_DEVICES;
292 /* get all DMA memory */
293 if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
294 &uhci_iterate_hw_softc)) {
299 pci_enable_busmaster(self);
301 rid = PCI_UHCI_BASE_REG;
302 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid,
304 if (!sc->sc_io_res) {
305 device_printf(self, "Could not map ports\n");
308 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
309 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
310 sc->sc_io_size = rman_get_size(sc->sc_io_res);
312 /* disable interrupts */
313 bus_space_write_2(sc->sc_io_tag, sc->sc_io_hdl, UHCI_INTR, 0);
316 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
317 RF_SHAREABLE | RF_ACTIVE);
318 if (sc->sc_irq_res == NULL) {
319 device_printf(self, "Could not allocate irq\n");
322 sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
323 if (!sc->sc_bus.bdev) {
324 device_printf(self, "Could not add USB device\n");
327 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
330 * uhci_pci_match must never return NULL if uhci_pci_probe
333 device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
334 switch (pci_get_vendor(self)) {
335 case PCI_UHCI_VENDORID_INTEL:
336 sprintf(sc->sc_vendor, "Intel");
338 case PCI_UHCI_VENDORID_VIA:
339 sprintf(sc->sc_vendor, "VIA");
343 device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
344 pci_get_devid(self));
346 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
349 switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
350 case PCI_USB_REV_PRE_1_0:
351 sc->sc_bus.usbrev = USB_REV_PRE_1_0;
353 case PCI_USB_REV_1_0:
354 sc->sc_bus.usbrev = USB_REV_1_0;
357 /* Quirk for Parallels Desktop 4.0 */
358 device_printf(self, "USB revision is unknown. Assuming v1.1.\n");
359 sc->sc_bus.usbrev = USB_REV_1_1;
363 #if (__FreeBSD_version >= 700031)
364 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
365 NULL, (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
367 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
368 (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
372 device_printf(self, "Could not setup irq, %d\n", err);
373 sc->sc_intr_hdl = NULL;
377 * Set the PIRQD enable bit and switch off all the others. We don't
378 * want legacy support to interfere with us XXX Does this also mean
379 * that the BIOS won't touch the keyboard anymore if it is connected
380 * to the ports of the root hub?
383 if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) {
384 device_printf(self, "LegSup = 0x%04x\n",
385 pci_read_config(self, PCI_LEGSUP, 2));
388 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
392 err = device_probe_and_attach(sc->sc_bus.bdev);
395 device_printf(self, "USB init failed\n");
401 uhci_pci_detach(self);
406 uhci_pci_detach(device_t self)
408 uhci_softc_t *sc = device_get_softc(self);
411 if (sc->sc_bus.bdev) {
412 bdev = sc->sc_bus.bdev;
414 device_delete_child(self, bdev);
416 /* during module unload there are lots of children leftover */
417 device_delete_all_children(self);
420 * disable interrupts that might have been switched on in
424 USB_BUS_LOCK(&sc->sc_bus);
426 /* stop the controller */
429 USB_BUS_UNLOCK(&sc->sc_bus);
431 pci_disable_busmaster(self);
433 if (sc->sc_irq_res && sc->sc_intr_hdl) {
434 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
437 /* XXX or should we panic? */
438 device_printf(self, "Could not tear down irq, %d\n",
441 sc->sc_intr_hdl = NULL;
443 if (sc->sc_irq_res) {
444 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
445 sc->sc_irq_res = NULL;
448 bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG,
450 sc->sc_io_res = NULL;
452 usb_bus_mem_free_all(&sc->sc_bus, &uhci_iterate_hw_softc);
457 static driver_t uhci_driver =
460 .methods = (device_method_t[]){
461 /* device interface */
462 DEVMETHOD(device_probe, uhci_pci_probe),
463 DEVMETHOD(device_attach, uhci_pci_attach),
464 DEVMETHOD(device_detach, uhci_pci_detach),
466 DEVMETHOD(device_suspend, uhci_pci_suspend),
467 DEVMETHOD(device_resume, uhci_pci_resume),
468 DEVMETHOD(device_shutdown, bus_generic_shutdown),
471 DEVMETHOD(bus_print_child, bus_generic_print_child),
474 .size = sizeof(struct uhci_softc),
477 static devclass_t uhci_devclass;
479 DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0);
480 MODULE_DEPEND(uhci, usb, 1, 1, 1);