1 /* $FreeBSD: src/sys/pci/ohci_pci.c,v 1.16.2.5 2002/08/28 20:51:56 joe Exp $ */
2 /* $DragonFly: src/sys/bus/pci/Attic/ohci_pci.c,v 1.4 2003/10/27 21:39:27 asmodai Exp $ */
5 * Copyright (c) 1998 The NetBSD Foundation, Inc.
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson (augustss@carlstedt.se) at
10 * Carlstedt Research & Technology.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
42 * USB Open Host Controller driver.
44 * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
47 /* The low level controller code for OHCI has been split into
48 * PCI probes and OHCI specific code. This was done to facilitate the
49 * sharing of code between *BSD's
55 #include <sys/param.h>
56 #include <sys/systm.h>
57 #include <sys/kernel.h>
58 #include <sys/module.h>
60 #include <sys/queue.h>
61 #include <machine/bus.h>
63 #include <machine/resource.h>
68 #include <bus/usb/usb.h>
69 #include <bus/usb/usbdi.h>
70 #include <bus/usb/usbdivar.h>
71 #include <bus/usb/usb_mem.h>
73 #include <bus/usb/ohcireg.h>
74 #include <bus/usb/ohcivar.h>
76 #define PCI_OHCI_VENDORID_ACERLABS 0x10b9
77 #define PCI_OHCI_VENDORID_AMD 0x1022
78 #define PCI_OHCI_VENDORID_APPLE 0x106b
79 #define PCI_OHCI_VENDORID_CMDTECH 0x1095
80 #define PCI_OHCI_VENDORID_NEC 0x1033
81 #define PCI_OHCI_VENDORID_NVIDIA 0x10de
82 #define PCI_OHCI_VENDORID_OPTI 0x1045
83 #define PCI_OHCI_VENDORID_SIS 0x1039
85 #define PCI_OHCI_DEVICEID_ALADDIN_V 0x523710b9
86 static const char *ohci_device_aladdin_v = "AcerLabs M5237 (Aladdin-V) USB controller";
88 #define PCI_OHCI_DEVICEID_AMD756 0x740c1022
89 static const char *ohci_device_amd756 = "AMD-756 USB Controller";
91 #define PCI_OHCI_DEVICEID_AMD766 0x74141022
92 static const char *ohci_device_amd766 = "AMD-766 USB Controller";
94 #define PCI_OHCI_DEVICEID_NVIDIANF2 0x006710de
95 static const char *ohci_device_nvidianf2 = "NVIDIA nForce2 USB Controller";
97 #define PCI_OHCI_DEVICEID_FIRELINK 0xc8611045
98 static const char *ohci_device_firelink = "OPTi 82C861 (FireLink) USB controller";
100 #define PCI_OHCI_DEVICEID_NEC 0x00351033
101 static const char *ohci_device_nec = "NEC uPD 9210 USB controller";
103 #define PCI_OHCI_DEVICEID_USB0670 0x06701095
104 static const char *ohci_device_usb0670 = "CMD Tech 670 (USB0670) USB controller";
106 #define PCI_OHCI_DEVICEID_USB0673 0x06731095
107 static const char *ohci_device_usb0673 = "CMD Tech 673 (USB0673) USB controller";
109 #define PCI_OHCI_DEVICEID_SIS5571 0x70011039
110 static const char *ohci_device_sis5571 = "SiS 5571 USB controller";
112 #define PCI_OHCI_DEVICEID_KEYLARGO 0x0019106b
113 static const char *ohci_device_keylargo = "Apple KeyLargo USB controller";
115 static const char *ohci_device_generic = "OHCI (generic) USB controller";
117 #define PCI_OHCI_BASE_REG 0x10
120 static int ohci_pci_attach(device_t self);
121 static int ohci_pci_detach(device_t self);
124 ohci_pci_match(device_t self)
126 u_int32_t device_id = pci_get_devid(self);
129 case PCI_OHCI_DEVICEID_ALADDIN_V:
130 return (ohci_device_aladdin_v);
131 case PCI_OHCI_DEVICEID_AMD756:
132 return (ohci_device_amd756);
133 case PCI_OHCI_DEVICEID_AMD766:
134 return (ohci_device_amd766);
135 case PCI_OHCI_DEVICEID_NVIDIANF2:
136 return (ohci_device_nvidianf2);
137 case PCI_OHCI_DEVICEID_USB0670:
138 return (ohci_device_usb0670);
139 case PCI_OHCI_DEVICEID_USB0673:
140 return (ohci_device_usb0673);
141 case PCI_OHCI_DEVICEID_FIRELINK:
142 return (ohci_device_firelink);
143 case PCI_OHCI_DEVICEID_NEC:
144 return (ohci_device_nec);
145 case PCI_OHCI_DEVICEID_SIS5571:
146 return (ohci_device_sis5571);
147 case PCI_OHCI_DEVICEID_KEYLARGO:
148 return (ohci_device_keylargo);
150 if (pci_get_class(self) == PCIC_SERIALBUS
151 && pci_get_subclass(self) == PCIS_SERIALBUS_USB
152 && pci_get_progif(self) == PCI_INTERFACE_OHCI) {
153 return (ohci_device_generic);
157 return NULL; /* dunno */
161 ohci_pci_probe(device_t self)
163 const char *desc = ohci_pci_match(self);
166 device_set_desc(self, desc);
174 ohci_pci_attach(device_t self)
176 ohci_softc_t *sc = device_get_softc(self);
180 /* XXX where does it say so in the spec? */
181 sc->sc_bus.usbrev = USBREV_1_0;
184 sc->io_res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
185 0, ~0, 1, RF_ACTIVE);
187 device_printf(self, "Could not map memory\n");
190 sc->iot = rman_get_bustag(sc->io_res);
191 sc->ioh = rman_get_bushandle(sc->io_res);
194 sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
195 RF_SHAREABLE | RF_ACTIVE);
196 if (sc->irq_res == NULL) {
197 device_printf(self, "Could not allocate irq\n");
198 ohci_pci_detach(self);
201 sc->sc_bus.bdev = device_add_child(self, "usb", -1);
202 if (!sc->sc_bus.bdev) {
203 device_printf(self, "Could not add USB device\n");
204 ohci_pci_detach(self);
207 device_set_ivars(sc->sc_bus.bdev, sc);
209 /* ohci_pci_match will never return NULL if ohci_pci_probe succeeded */
210 device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
211 switch (pci_get_vendor(self)) {
212 case PCI_OHCI_VENDORID_ACERLABS:
213 sprintf(sc->sc_vendor, "AcerLabs");
215 case PCI_OHCI_VENDORID_AMD:
216 sprintf(sc->sc_vendor, "AMD");
218 case PCI_OHCI_VENDORID_APPLE:
219 sprintf(sc->sc_vendor, "Apple");
221 case PCI_OHCI_VENDORID_CMDTECH:
222 sprintf(sc->sc_vendor, "CMDTECH");
224 case PCI_OHCI_VENDORID_NEC:
225 sprintf(sc->sc_vendor, "NEC");
227 case PCI_OHCI_VENDORID_NVIDIA:
228 sprintf(sc->sc_vendor, "NVIDIA");
230 case PCI_OHCI_VENDORID_OPTI:
231 sprintf(sc->sc_vendor, "OPTi");
233 case PCI_OHCI_VENDORID_SIS:
234 sprintf(sc->sc_vendor, "SiS");
238 device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
239 pci_get_devid(self));
240 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
243 err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
244 (driver_intr_t *) ohci_intr, sc, &sc->ih);
246 device_printf(self, "Could not setup irq, %d\n", err);
248 ohci_pci_detach(self);
253 err = device_probe_and_attach(sc->sc_bus.bdev);
256 device_printf(self, "USB init failed\n");
257 ohci_pci_detach(self);
264 ohci_pci_detach(device_t self)
266 ohci_softc_t *sc = device_get_softc(self);
269 * XXX this code is not yet fit to be used as detach for the OHCI
274 * disable interrupts that might have been switched on in ohci_init
276 if (sc->iot && sc->ioh)
277 bus_space_write_4(sc->iot, sc->ioh,
278 OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
280 if (sc->irq_res && sc->ih) {
281 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
284 /* XXX or should we panic? */
285 device_printf(self, "Could not tear down irq, %d\n",
289 if (sc->sc_bus.bdev) {
290 device_delete_child(self, sc->sc_bus.bdev);
291 sc->sc_bus.bdev = NULL;
294 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
298 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, sc->io_res);
306 static device_method_t ohci_methods[] = {
307 /* Device interface */
308 DEVMETHOD(device_probe, ohci_pci_probe),
309 DEVMETHOD(device_attach, ohci_pci_attach),
310 DEVMETHOD(device_shutdown, bus_generic_shutdown),
313 DEVMETHOD(bus_print_child, bus_generic_print_child),
318 static driver_t ohci_driver = {
321 sizeof(ohci_softc_t),
324 static devclass_t ohci_devclass;
326 DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);