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 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
35 * USB Open Host Controller driver.
37 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
40 /* The low level controller code for OHCI has been split into
41 * PCI probes and OHCI specific code. This was done to facilitate the
42 * sharing of code between *BSD's
45 #include <sys/stdint.h>
46 #include <sys/stddef.h>
47 #include <sys/param.h>
48 #include <sys/queue.h>
49 #include <sys/types.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
53 #include <sys/module.h>
55 #include <sys/mutex.h>
56 #include <sys/condvar.h>
57 #include <sys/sysctl.h>
59 #include <sys/unistd.h>
60 #include <sys/callout.h>
61 #include <sys/malloc.h>
64 #include <dev/usb/usb.h>
65 #include <dev/usb/usbdi.h>
67 #include <dev/usb/usb_core.h>
68 #include <dev/usb/usb_busdma.h>
69 #include <dev/usb/usb_process.h>
70 #include <dev/usb/usb_util.h>
72 #include <dev/usb/usb_controller.h>
73 #include <dev/usb/usb_bus.h>
74 #include <dev/usb/usb_pci.h>
75 #include <dev/usb/controller/ohci.h>
76 #include <dev/usb/controller/ohcireg.h>
78 #define PCI_OHCI_VENDORID_ACERLABS 0x10b9
79 #define PCI_OHCI_VENDORID_AMD 0x1022
80 #define PCI_OHCI_VENDORID_APPLE 0x106b
81 #define PCI_OHCI_VENDORID_ATI 0x1002
82 #define PCI_OHCI_VENDORID_CMDTECH 0x1095
83 #define PCI_OHCI_VENDORID_NEC 0x1033
84 #define PCI_OHCI_VENDORID_NVIDIA 0x12D2
85 #define PCI_OHCI_VENDORID_NVIDIA2 0x10DE
86 #define PCI_OHCI_VENDORID_OPTI 0x1045
87 #define PCI_OHCI_VENDORID_SIS 0x1039
88 #define PCI_OHCI_VENDORID_SUN 0x108e
90 #define PCI_OHCI_BASE_REG 0x10
92 static device_probe_t ohci_pci_probe;
93 static device_attach_t ohci_pci_attach;
94 static device_detach_t ohci_pci_detach;
95 static device_suspend_t ohci_pci_suspend;
96 static device_resume_t ohci_pci_resume;
99 ohci_pci_suspend(device_t self)
101 ohci_softc_t *sc = device_get_softc(self);
104 err = bus_generic_suspend(self);
113 ohci_pci_resume(device_t self)
115 ohci_softc_t *sc = device_get_softc(self);
116 uint32_t reg, int_line;
118 if (pci_get_powerstate(self) != PCI_POWERSTATE_D0) {
119 device_printf(self, "chip is in D%d mode "
120 "-- setting to D0\n", pci_get_powerstate(self));
121 reg = pci_read_config(self, PCI_CBMEM, 4);
122 int_line = pci_read_config(self, PCIR_INTLINE, 4);
123 pci_set_powerstate(self, PCI_POWERSTATE_D0);
124 pci_write_config(self, PCI_CBMEM, reg, 4);
125 pci_write_config(self, PCIR_INTLINE, int_line, 4);
129 bus_generic_resume(self);
134 ohci_pci_match(device_t self)
136 uint32_t device_id = pci_get_devid(self);
140 return ("AcerLabs M5237 (Aladdin-V) USB controller");
143 return ("AMD-756 USB Controller");
146 return ("AMD-766 USB Controller");
149 return "ATI SB400 USB Controller";
151 return "ATI SB400 USB Controller";
154 return ("CMD Tech 670 (USB0670) USB controller");
157 return ("CMD Tech 673 (USB0673) USB controller");
160 return ("OPTi 82C861 (FireLink) USB controller");
163 return ("NEC uPD 9210 USB controller");
166 return ("nVidia nForce3 USB Controller");
169 return ("nVidia nForce MCP55 USB Controller");
171 return ("nVidia nForce MCP61 USB Controller");
173 return ("nVidia nForce MCP79 USB Controller");
175 return ("nVidia nForce MCP79 USB Controller");
177 return ("nVidia nForce MCP79 USB Controller");
180 return ("SiS 5571 USB controller");
183 return "Sun PCIO-2 USB controller";
186 return ("Apple KeyLargo USB controller");
191 if ((pci_get_class(self) == PCIC_SERIALBUS) &&
192 (pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
193 (pci_get_progif(self) == PCI_INTERFACE_OHCI)) {
194 return ("OHCI (generic) USB controller");
200 ohci_pci_probe(device_t self)
202 const char *desc = ohci_pci_match(self);
205 device_set_desc(self, desc);
213 ohci_pci_attach(device_t self)
215 ohci_softc_t *sc = device_get_softc(self);
219 /* initialise some bus fields */
220 sc->sc_bus.parent = self;
221 sc->sc_bus.devices = sc->sc_devices;
222 sc->sc_bus.devices_max = OHCI_MAX_DEVICES;
224 /* get all DMA memory */
225 if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
226 &ohci_iterate_hw_softc)) {
231 pci_enable_busmaster(self);
234 * Some Sun PCIO-2 USB controllers have their intpin register
235 * bogusly set to 0, although it should be 4. Correct that.
237 if (pci_get_devid(self) == 0x1103108e && pci_get_intpin(self) == 0)
238 pci_set_intpin(self, 4);
241 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
243 if (!sc->sc_io_res) {
244 device_printf(self, "Could not map memory\n");
247 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
248 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
249 sc->sc_io_size = rman_get_size(sc->sc_io_res);
252 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
253 RF_SHAREABLE | RF_ACTIVE);
254 if (sc->sc_irq_res == NULL) {
255 device_printf(self, "Could not allocate irq\n");
258 sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
259 if (!sc->sc_bus.bdev) {
260 device_printf(self, "Could not add USB device\n");
263 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
266 * ohci_pci_match will never return NULL if ohci_pci_probe
269 device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
270 switch (pci_get_vendor(self)) {
271 case PCI_OHCI_VENDORID_ACERLABS:
272 sprintf(sc->sc_vendor, "AcerLabs");
274 case PCI_OHCI_VENDORID_AMD:
275 sprintf(sc->sc_vendor, "AMD");
277 case PCI_OHCI_VENDORID_APPLE:
278 sprintf(sc->sc_vendor, "Apple");
280 case PCI_OHCI_VENDORID_ATI:
281 sprintf(sc->sc_vendor, "ATI");
283 case PCI_OHCI_VENDORID_CMDTECH:
284 sprintf(sc->sc_vendor, "CMDTECH");
286 case PCI_OHCI_VENDORID_NEC:
287 sprintf(sc->sc_vendor, "NEC");
289 case PCI_OHCI_VENDORID_NVIDIA:
290 case PCI_OHCI_VENDORID_NVIDIA2:
291 sprintf(sc->sc_vendor, "nVidia");
293 case PCI_OHCI_VENDORID_OPTI:
294 sprintf(sc->sc_vendor, "OPTi");
296 case PCI_OHCI_VENDORID_SIS:
297 sprintf(sc->sc_vendor, "SiS");
299 case PCI_OHCI_VENDORID_SUN:
300 sprintf(sc->sc_vendor, "SUN");
304 device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
305 pci_get_devid(self));
307 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
310 /* sc->sc_bus.usbrev; set by ohci_init() */
312 #if (__FreeBSD_version >= 700031)
313 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
314 NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
316 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
317 (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl);
320 device_printf(self, "Could not setup irq, %d\n", err);
321 sc->sc_intr_hdl = NULL;
326 err = device_probe_and_attach(sc->sc_bus.bdev);
329 device_printf(self, "USB init failed\n");
335 ohci_pci_detach(self);
340 ohci_pci_detach(device_t self)
342 ohci_softc_t *sc = device_get_softc(self);
345 if (sc->sc_bus.bdev) {
346 bdev = sc->sc_bus.bdev;
348 device_delete_child(self, bdev);
350 /* during module unload there are lots of children leftover */
351 device_delete_all_children(self);
353 pci_disable_busmaster(self);
355 if (sc->sc_irq_res && sc->sc_intr_hdl) {
357 * only call ohci_detach() after ohci_init()
361 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
364 /* XXX or should we panic? */
365 device_printf(self, "Could not tear down irq, %d\n",
368 sc->sc_intr_hdl = NULL;
370 if (sc->sc_irq_res) {
371 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
372 sc->sc_irq_res = NULL;
375 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
377 sc->sc_io_res = NULL;
379 usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
384 static driver_t ohci_driver =
387 .methods = (device_method_t[]){
388 /* device interface */
389 DEVMETHOD(device_probe, ohci_pci_probe),
390 DEVMETHOD(device_attach, ohci_pci_attach),
391 DEVMETHOD(device_detach, ohci_pci_detach),
392 DEVMETHOD(device_suspend, ohci_pci_suspend),
393 DEVMETHOD(device_resume, ohci_pci_resume),
394 DEVMETHOD(device_shutdown, bus_generic_shutdown),
397 DEVMETHOD(bus_print_child, bus_generic_print_child),
401 .size = sizeof(struct ohci_softc),
404 static devclass_t ohci_devclass;
406 DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);
407 MODULE_DEPEND(ohci, usb, 1, 1, 1);