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.
32 * USB Open Host Controller driver.
34 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
37 /* The low level controller code for OHCI has been split into
38 * PCI probes and OHCI specific code. This was done to facilitate the
39 * sharing of code between *BSD's
42 #include <sys/stdint.h>
43 #include <sys/param.h>
44 #include <sys/queue.h>
45 #include <sys/types.h>
46 #include <sys/systm.h>
47 #include <sys/kernel.h>
49 #include <sys/module.h>
51 #include <sys/condvar.h>
52 #include <sys/sysctl.h>
53 #include <sys/unistd.h>
54 #include <sys/callout.h>
55 #include <sys/malloc.h>
58 #include <bus/u4b/usb.h>
59 #include <bus/u4b/usbdi.h>
61 #include <bus/u4b/usb_core.h>
62 #include <bus/u4b/usb_busdma.h>
63 #include <bus/u4b/usb_process.h>
64 #include <bus/u4b/usb_util.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/ohci.h>
70 #include <bus/u4b/controller/ohcireg.h>
73 #define PCI_OHCI_VENDORID_ACERLABS 0x10b9
74 #define PCI_OHCI_VENDORID_AMD 0x1022
75 #define PCI_OHCI_VENDORID_APPLE 0x106b
76 #define PCI_OHCI_VENDORID_ATI 0x1002
77 #define PCI_OHCI_VENDORID_CMDTECH 0x1095
78 #define PCI_OHCI_VENDORID_NEC 0x1033
79 #define PCI_OHCI_VENDORID_NVIDIA 0x12D2
80 #define PCI_OHCI_VENDORID_NVIDIA2 0x10DE
81 #define PCI_OHCI_VENDORID_OPTI 0x1045
82 #define PCI_OHCI_VENDORID_SIS 0x1039
83 #define PCI_OHCI_VENDORID_SUN 0x108e
85 #define PCI_OHCI_BASE_REG 0x10
87 static device_probe_t ohci_pci_probe;
88 static device_attach_t ohci_pci_attach;
89 static device_detach_t ohci_pci_detach;
90 static usb_take_controller_t ohci_pci_take_controller;
93 ohci_pci_take_controller(device_t self)
98 if (pci_get_powerstate(self) != PCI_POWERSTATE_D0) {
99 device_printf(self, "chip is in D%d mode "
100 "-- setting to D0\n", pci_get_powerstate(self));
101 reg = pci_read_config(self, PCI_CBMEM, 4);
102 int_line = pci_read_config(self, PCIR_INTLINE, 4);
103 pci_set_powerstate(self, PCI_POWERSTATE_D0);
104 pci_write_config(self, PCI_CBMEM, reg, 4);
105 pci_write_config(self, PCIR_INTLINE, int_line, 4);
111 ohci_pci_match(device_t self)
113 uint32_t device_id = pci_get_devid(self);
117 return ("AcerLabs M5237 (Aladdin-V) USB controller");
120 return ("AMD-756 USB Controller");
123 return ("AMD-766 USB Controller");
126 return "ATI SB400 USB Controller";
128 return "ATI SB400 USB Controller";
131 return ("CMD Tech 670 (USB0670) USB controller");
134 return ("CMD Tech 673 (USB0673) USB controller");
137 return ("OPTi 82C861 (FireLink) USB controller");
140 return ("NEC uPD 9210 USB controller");
143 return ("nVidia nForce3 USB Controller");
146 return ("nVidia nForce MCP55 USB Controller");
148 return ("nVidia nForce MCP61 USB Controller");
150 return ("nVidia nForce MCP79 USB Controller");
152 return ("nVidia nForce MCP79 USB Controller");
154 return ("nVidia nForce MCP79 USB Controller");
157 return ("SiS 5571 USB controller");
160 return "Sun PCIO-2 USB controller";
163 return ("Apple KeyLargo USB controller");
168 if ((pci_get_class(self) == PCIC_SERIALBUS) &&
169 (pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
170 (pci_get_progif(self) == PCI_INTERFACE_OHCI)) {
171 return ("OHCI (generic) USB controller");
177 ohci_pci_probe(device_t self)
179 const char *desc = ohci_pci_match(self);
182 device_set_desc(self, desc);
190 ohci_pci_attach(device_t self)
192 ohci_softc_t *sc = device_get_softc(self);
196 /* initialise some bus fields */
197 sc->sc_bus.parent = self;
198 sc->sc_bus.devices = sc->sc_devices;
199 sc->sc_bus.devices_max = OHCI_MAX_DEVICES;
201 /* get all DMA memory */
202 if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
203 &ohci_iterate_hw_softc)) {
208 pci_enable_busmaster(self);
211 * Some Sun PCIO-2 USB controllers have their intpin register
212 * bogusly set to 0, although it should be 4. Correct that.
214 if (pci_get_devid(self) == 0x1103108e && pci_get_intpin(self) == 0)
215 pci_set_intpin(self, 4);
218 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
220 if (!sc->sc_io_res) {
221 device_printf(self, "Could not map memory\n");
224 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
225 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
226 sc->sc_io_size = rman_get_size(sc->sc_io_res);
229 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
230 RF_SHAREABLE | RF_ACTIVE);
231 if (sc->sc_irq_res == NULL) {
232 device_printf(self, "Could not allocate irq\n");
235 sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
236 if (!sc->sc_bus.bdev) {
237 device_printf(self, "Could not add USB device\n");
240 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
243 * ohci_pci_match will never return NULL if ohci_pci_probe
246 device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
247 switch (pci_get_vendor(self)) {
248 case PCI_OHCI_VENDORID_ACERLABS:
249 ksprintf(sc->sc_vendor, "AcerLabs");
251 case PCI_OHCI_VENDORID_AMD:
252 ksprintf(sc->sc_vendor, "AMD");
254 case PCI_OHCI_VENDORID_APPLE:
255 ksprintf(sc->sc_vendor, "Apple");
257 case PCI_OHCI_VENDORID_ATI:
258 ksprintf(sc->sc_vendor, "ATI");
260 case PCI_OHCI_VENDORID_CMDTECH:
261 ksprintf(sc->sc_vendor, "CMDTECH");
263 case PCI_OHCI_VENDORID_NEC:
264 ksprintf(sc->sc_vendor, "NEC");
266 case PCI_OHCI_VENDORID_NVIDIA:
267 case PCI_OHCI_VENDORID_NVIDIA2:
268 ksprintf(sc->sc_vendor, "nVidia");
270 case PCI_OHCI_VENDORID_OPTI:
271 ksprintf(sc->sc_vendor, "OPTi");
273 case PCI_OHCI_VENDORID_SIS:
274 ksprintf(sc->sc_vendor, "SiS");
276 case PCI_OHCI_VENDORID_SUN:
277 ksprintf(sc->sc_vendor, "SUN");
281 device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
282 pci_get_devid(self));
284 ksprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
287 /* sc->sc_bus.usbrev; set by ohci_init() */
289 err = bus_setup_intr(self, sc->sc_irq_res, INTR_MPSAFE,
290 (driver_intr_t *)ohci_interrupt, sc, &sc->sc_intr_hdl, NULL);
292 device_printf(self, "Could not setup irq, %d\n", err);
293 sc->sc_intr_hdl = NULL;
298 err = device_probe_and_attach(sc->sc_bus.bdev);
301 device_printf(self, "USB init failed\n");
307 ohci_pci_detach(self);
312 ohci_pci_detach(device_t self)
314 ohci_softc_t *sc = device_get_softc(self);
317 if (sc->sc_bus.bdev) {
318 bdev = sc->sc_bus.bdev;
320 device_delete_child(self, bdev);
322 #if 0 /* XXX Implement this */
323 /* during module unload there are lots of children leftover */
324 device_delete_children(self);
327 pci_disable_busmaster(self);
329 if (sc->sc_irq_res && sc->sc_intr_hdl) {
331 * only call ohci_detach() after ohci_init()
335 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
338 /* XXX or should we panic? */
339 device_printf(self, "Could not tear down irq, %d\n",
342 sc->sc_intr_hdl = NULL;
344 if (sc->sc_irq_res) {
345 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
346 sc->sc_irq_res = NULL;
349 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
351 sc->sc_io_res = NULL;
353 usb_bus_mem_free_all(&sc->sc_bus, &ohci_iterate_hw_softc);
358 static device_method_t ohci_pci_methods[] = {
359 /* Device interface */
360 DEVMETHOD(device_probe, ohci_pci_probe),
361 DEVMETHOD(device_attach, ohci_pci_attach),
362 DEVMETHOD(device_detach, ohci_pci_detach),
363 DEVMETHOD(device_suspend, bus_generic_suspend),
364 DEVMETHOD(device_resume, bus_generic_resume),
365 DEVMETHOD(device_shutdown, bus_generic_shutdown),
366 DEVMETHOD(usb_take_controller, ohci_pci_take_controller),
371 static driver_t ohci_driver = {
373 .methods = ohci_pci_methods,
374 .size = sizeof(struct ohci_softc),
377 static devclass_t ohci_devclass;
379 DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);
380 MODULE_DEPEND(ohci, usb, 1, 1, 1);