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.
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
31 /* Universal Host Controller Interface
33 * UHCI spec: http://www.intel.com/
36 /* The low level controller code for UHCI has been split into
37 * PCI probes and UHCI specific code. This was done to facilitate the
38 * sharing of code between *BSD's
41 #include <sys/stdint.h>
42 #include <sys/param.h>
43 #include <sys/queue.h>
44 #include <sys/types.h>
45 #include <sys/systm.h>
46 #include <sys/kernel.h>
48 #include <sys/module.h>
50 #include <sys/condvar.h>
51 #include <sys/sysctl.h>
52 #include <sys/unistd.h>
53 #include <sys/callout.h>
54 #include <sys/malloc.h>
57 #include <bus/u4b/usb.h>
58 #include <bus/u4b/usbdi.h>
60 #include <bus/u4b/usb_core.h>
61 #include <bus/u4b/usb_busdma.h>
62 #include <bus/u4b/usb_process.h>
63 #include <bus/u4b/usb_util.h>
64 #include <bus/u4b/usb_debug.h>
66 #include <bus/u4b/usb_controller.h>
67 #include <bus/u4b/usb_bus.h>
68 #include <bus/u4b/usb_pci.h>
69 #include <bus/u4b/controller/uhci.h>
70 #include <bus/u4b/controller/uhcireg.h>
73 #define PCI_UHCI_VENDORID_INTEL 0x8086
74 #define PCI_UHCI_VENDORID_VIA 0x1106
76 /* PIIX4E has no separate stepping */
78 static device_probe_t uhci_pci_probe;
79 static device_attach_t uhci_pci_attach;
80 static device_detach_t uhci_pci_detach;
81 static usb_take_controller_t uhci_pci_take_controller;
84 uhci_pci_take_controller(device_t self)
86 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
92 uhci_pci_match(device_t self)
94 uint32_t device_id = pci_get_devid(self);
98 return ("Intel 631XESB/632XESB/3100 USB controller USB-1");
101 return ("Intel 631XESB/632XESB/3100 USB controller USB-2");
104 return ("Intel 631XESB/632XESB/3100 USB controller USB-3");
107 return ("Intel 631XESB/632XESB/3100 USB controller USB-4");
110 return ("Intel 82371SB (PIIX3) USB controller");
113 return ("Intel 82371AB/EB (PIIX4) USB controller");
116 return ("Intel 82801AA (ICH) USB controller");
119 return ("Intel 82801AB (ICH0) USB controller");
122 return ("Intel 82801BA/BAM (ICH2) USB controller USB-A");
125 return ("Intel 82801BA/BAM (ICH2) USB controller USB-B");
128 return ("Intel 82801CA/CAM (ICH3) USB controller USB-A");
131 return ("Intel 82801CA/CAM (ICH3) USB controller USB-B");
134 return ("Intel 82801CA/CAM (ICH3) USB controller USB-C");
137 return ("Intel 82801DB (ICH4) USB controller USB-A");
140 return ("Intel 82801DB (ICH4) USB controller USB-B");
143 return ("Intel 82801DB (ICH4) USB controller USB-C");
146 return ("Intel 82801EB (ICH5) USB controller USB-A");
149 return ("Intel 82801EB (ICH5) USB controller USB-B");
152 return ("Intel 82801EB (ICH5) USB controller USB-C");
155 return ("Intel 82801EB (ICH5) USB controller USB-D");
158 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A");
161 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B");
164 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C");
167 return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D");
170 return ("Intel 82801G (ICH7) USB controller USB-A");
172 return ("Intel 82801G (ICH7) USB controller USB-B");
174 return ("Intel 82801G (ICH7) USB controller USB-C");
176 return ("Intel 82801G (ICH7) USB controller USB-D");
179 return ("Intel 82801H (ICH8) USB controller USB-A");
181 return ("Intel 82801H (ICH8) USB controller USB-B");
183 return ("Intel 82801H (ICH8) USB controller USB-C");
185 return ("Intel 82801H (ICH8) USB controller USB-D");
187 return ("Intel 82801H (ICH8) USB controller USB-E");
189 return ("Intel 82801I (ICH9) USB controller");
191 return ("Intel 82801I (ICH9) USB controller");
193 return ("Intel 82801I (ICH9) USB controller");
195 return ("Intel 82801I (ICH9) USB controller");
197 return ("Intel 82801I (ICH9) USB controller");
199 return ("Intel 82801I (ICH9) USB controller");
201 return ("Intel 82801JI (ICH10) USB controller USB-A");
203 return ("Intel 82801JI (ICH10) USB controller USB-B");
205 return ("Intel 82801JI (ICH10) USB controller USB-C");
207 return ("Intel 82801JI (ICH10) USB controller USB-D");
209 return ("Intel 82801JI (ICH10) USB controller USB-E");
211 return ("Intel 82801JI (ICH10) USB controller USB-F");
214 return ("Intel 82443MX USB controller");
217 return ("Intel 82372FB/82468GX USB controller");
220 return ("VIA 83C572 USB controller");
226 if ((pci_get_class(self) == PCIC_SERIALBUS) &&
227 (pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
228 (pci_get_progif(self) == PCI_INTERFACE_UHCI)) {
229 return ("UHCI (generic) USB controller");
235 uhci_pci_probe(device_t self)
237 const char *desc = uhci_pci_match(self);
240 device_set_desc(self, desc);
248 uhci_pci_attach(device_t self)
250 uhci_softc_t *sc = device_get_softc(self);
254 /* initialise some bus fields */
255 sc->sc_bus.parent = self;
256 sc->sc_bus.devices = sc->sc_devices;
257 sc->sc_bus.devices_max = UHCI_MAX_DEVICES;
259 /* get all DMA memory */
260 if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
261 &uhci_iterate_hw_softc)) {
266 pci_enable_busmaster(self);
268 rid = PCI_UHCI_BASE_REG;
269 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid,
271 if (!sc->sc_io_res) {
272 device_printf(self, "Could not map ports\n");
275 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
276 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
277 sc->sc_io_size = rman_get_size(sc->sc_io_res);
279 /* disable interrupts */
280 bus_space_write_2(sc->sc_io_tag, sc->sc_io_hdl, UHCI_INTR, 0);
283 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
284 RF_SHAREABLE | RF_ACTIVE);
285 if (sc->sc_irq_res == NULL) {
286 device_printf(self, "Could not allocate irq\n");
289 sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
290 if (!sc->sc_bus.bdev) {
291 device_printf(self, "Could not add USB device\n");
294 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
297 * uhci_pci_match must never return NULL if uhci_pci_probe
300 device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
301 switch (pci_get_vendor(self)) {
302 case PCI_UHCI_VENDORID_INTEL:
303 ksprintf(sc->sc_vendor, "Intel");
305 case PCI_UHCI_VENDORID_VIA:
306 ksprintf(sc->sc_vendor, "VIA");
310 device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
311 pci_get_devid(self));
313 ksprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
316 switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
317 case PCI_USB_REV_PRE_1_0:
318 sc->sc_bus.usbrev = USB_REV_PRE_1_0;
320 case PCI_USB_REV_1_0:
321 sc->sc_bus.usbrev = USB_REV_1_0;
324 /* Quirk for Parallels Desktop 4.0 */
325 device_printf(self, "USB revision is unknown. Assuming v1.1.\n");
326 sc->sc_bus.usbrev = USB_REV_1_1;
330 err = bus_setup_intr(self, sc->sc_irq_res, INTR_MPSAFE,
331 (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl, NULL);
334 device_printf(self, "Could not setup irq, %d\n", err);
335 sc->sc_intr_hdl = NULL;
339 * Set the PIRQD enable bit and switch off all the others. We don't
340 * want legacy support to interfere with us XXX Does this also mean
341 * that the BIOS won't touch the keyboard anymore if it is connected
342 * to the ports of the root hub?
345 if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) {
346 device_printf(self, "LegSup = 0x%04x\n",
347 pci_read_config(self, PCI_LEGSUP, 2));
350 pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
354 err = device_probe_and_attach(sc->sc_bus.bdev);
357 device_printf(self, "USB init failed\n");
363 uhci_pci_detach(self);
368 uhci_pci_detach(device_t self)
370 uhci_softc_t *sc = device_get_softc(self);
373 if (sc->sc_bus.bdev) {
374 bdev = sc->sc_bus.bdev;
376 device_delete_child(self, bdev);
379 /* during module unload there are lots of children leftover */
380 device_delete_children(self);
384 * disable interrupts that might have been switched on in
388 USB_BUS_LOCK(&sc->sc_bus);
390 /* stop the controller */
393 USB_BUS_UNLOCK(&sc->sc_bus);
395 pci_disable_busmaster(self);
397 if (sc->sc_irq_res && sc->sc_intr_hdl) {
398 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
401 /* XXX or should we panic? */
402 device_printf(self, "Could not tear down irq, %d\n",
405 sc->sc_intr_hdl = NULL;
407 if (sc->sc_irq_res) {
408 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
409 sc->sc_irq_res = NULL;
412 bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG,
414 sc->sc_io_res = NULL;
416 usb_bus_mem_free_all(&sc->sc_bus, &uhci_iterate_hw_softc);
421 static device_method_t uhci_pci_methods[] = {
422 /* Device interface */
423 DEVMETHOD(device_probe, uhci_pci_probe),
424 DEVMETHOD(device_attach, uhci_pci_attach),
425 DEVMETHOD(device_detach, uhci_pci_detach),
426 DEVMETHOD(device_suspend, bus_generic_suspend),
427 DEVMETHOD(device_resume, bus_generic_resume),
428 DEVMETHOD(device_shutdown, bus_generic_shutdown),
429 DEVMETHOD(usb_take_controller, uhci_pci_take_controller),
434 static driver_t uhci_driver = {
436 .methods = uhci_pci_methods,
437 .size = sizeof(struct uhci_softc),
440 static devclass_t uhci_devclass;
442 DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0);
443 MODULE_DEPEND(uhci, usb, 1, 1, 1);