kernel tree reorganization stage 1: Major cvs repository work (not logged as
[dragonfly.git] / sys / bus / pci / ohci_pci.c
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 1.3 2003/08/07 21:16:47 dillon Exp $ */
3
4 /*
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson (augustss@carlstedt.se) at
10  * Carlstedt Research & Technology.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
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.
27  *
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.
39  */
40
41 /*
42  * USB Open Host Controller driver.
43  *
44  * OHCI spec: http://www.intel.com/design/usb/ohci11d.pdf
45  */
46
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
50  */
51
52
53 #include "opt_bus.h"
54
55 #include <sys/param.h>
56 #include <sys/systm.h>
57 #include <sys/kernel.h>
58 #include <sys/module.h>
59 #include <sys/bus.h>
60 #include <sys/queue.h>
61 #include <machine/bus.h>
62 #include <sys/rman.h>
63 #include <machine/resource.h>
64
65 #include "pcivar.h"
66 #include "pcireg.h"
67
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>
72
73 #include <bus/usb/ohcireg.h>
74 #include <bus/usb/ohcivar.h>
75
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_OPTI          0x1045
82 #define PCI_OHCI_VENDORID_SIS           0x1039
83
84 #define PCI_OHCI_DEVICEID_ALADDIN_V     0x523710b9
85 static const char *ohci_device_aladdin_v = "AcerLabs M5237 (Aladdin-V) USB controller";
86
87 #define PCI_OHCI_DEVICEID_AMD756        0x740c1022
88 static const char *ohci_device_amd756 = "AMD-756 USB Controller";
89
90 #define PCI_OHCI_DEVICEID_AMD766        0x74141022
91 static const char *ohci_device_amd766 = "AMD-766 USB Controller";
92
93 #define PCI_OHCI_DEVICEID_FIRELINK      0xc8611045
94 static const char *ohci_device_firelink = "OPTi 82C861 (FireLink) USB controller";
95
96 #define PCI_OHCI_DEVICEID_NEC           0x00351033
97 static const char *ohci_device_nec = "NEC uPD 9210 USB controller";
98
99 #define PCI_OHCI_DEVICEID_USB0670       0x06701095
100 static const char *ohci_device_usb0670 = "CMD Tech 670 (USB0670) USB controller";
101
102 #define PCI_OHCI_DEVICEID_USB0673       0x06731095
103 static const char *ohci_device_usb0673 = "CMD Tech 673 (USB0673) USB controller";
104
105 #define PCI_OHCI_DEVICEID_SIS5571       0x70011039
106 static const char *ohci_device_sis5571 = "SiS 5571 USB controller";
107
108 #define PCI_OHCI_DEVICEID_KEYLARGO      0x0019106b
109 static const char *ohci_device_keylargo = "Apple KeyLargo USB controller";
110
111 static const char *ohci_device_generic = "OHCI (generic) USB controller";
112
113 #define PCI_OHCI_BASE_REG       0x10
114
115
116 static int ohci_pci_attach(device_t self);
117 static int ohci_pci_detach(device_t self);
118
119 static const char *
120 ohci_pci_match(device_t self)
121 {
122         u_int32_t device_id = pci_get_devid(self);
123
124         switch (device_id) {
125         case PCI_OHCI_DEVICEID_ALADDIN_V:
126                 return (ohci_device_aladdin_v);
127         case PCI_OHCI_DEVICEID_AMD756:
128                 return (ohci_device_amd756);
129         case PCI_OHCI_DEVICEID_AMD766:
130                 return (ohci_device_amd766);
131         case PCI_OHCI_DEVICEID_USB0670:
132                 return (ohci_device_usb0670);
133         case PCI_OHCI_DEVICEID_USB0673:
134                 return (ohci_device_usb0673);
135         case PCI_OHCI_DEVICEID_FIRELINK:
136                 return (ohci_device_firelink);
137         case PCI_OHCI_DEVICEID_NEC:
138                 return (ohci_device_nec);
139         case PCI_OHCI_DEVICEID_SIS5571:
140                 return (ohci_device_sis5571);
141         case PCI_OHCI_DEVICEID_KEYLARGO:
142                 return (ohci_device_keylargo);
143         default:
144                 if (pci_get_class(self) == PCIC_SERIALBUS
145                     && pci_get_subclass(self) == PCIS_SERIALBUS_USB
146                     && pci_get_progif(self) == PCI_INTERFACE_OHCI) {
147                         return (ohci_device_generic);
148                 }
149         }
150
151         return NULL;            /* dunno */
152 }
153
154 static int
155 ohci_pci_probe(device_t self)
156 {
157         const char *desc = ohci_pci_match(self);
158
159         if (desc) {
160                 device_set_desc(self, desc);
161                 return 0;
162         } else {
163                 return ENXIO;
164         }
165 }
166
167 static int
168 ohci_pci_attach(device_t self)
169 {
170         ohci_softc_t *sc = device_get_softc(self);
171         int err;
172         int rid;
173
174         /* XXX where does it say so in the spec? */
175         sc->sc_bus.usbrev = USBREV_1_0;
176
177         rid = PCI_CBMEM;
178         sc->io_res = bus_alloc_resource(self, SYS_RES_MEMORY, &rid,
179             0, ~0, 1, RF_ACTIVE);
180         if (!sc->io_res) {
181                 device_printf(self, "Could not map memory\n");
182                 return ENXIO;
183         }
184         sc->iot = rman_get_bustag(sc->io_res);
185         sc->ioh = rman_get_bushandle(sc->io_res);
186
187         rid = 0;
188         sc->irq_res = bus_alloc_resource(self, SYS_RES_IRQ, &rid, 0, ~0, 1,
189             RF_SHAREABLE | RF_ACTIVE);
190         if (sc->irq_res == NULL) {
191                 device_printf(self, "Could not allocate irq\n");
192                 ohci_pci_detach(self);
193                 return ENXIO;
194         }
195         sc->sc_bus.bdev = device_add_child(self, "usb", -1);
196         if (!sc->sc_bus.bdev) {
197                 device_printf(self, "Could not add USB device\n");
198                 ohci_pci_detach(self);
199                 return ENOMEM;
200         }
201         device_set_ivars(sc->sc_bus.bdev, sc);
202
203         /* ohci_pci_match will never return NULL if ohci_pci_probe succeeded */
204         device_set_desc(sc->sc_bus.bdev, ohci_pci_match(self));
205         switch (pci_get_vendor(self)) {
206         case PCI_OHCI_VENDORID_ACERLABS:
207                 sprintf(sc->sc_vendor, "AcerLabs");
208                 break;
209         case PCI_OHCI_VENDORID_AMD:
210                 sprintf(sc->sc_vendor, "AMD");
211                 break;
212         case PCI_OHCI_VENDORID_APPLE:
213                 sprintf(sc->sc_vendor, "Apple");
214                 break;
215         case PCI_OHCI_VENDORID_CMDTECH:
216                 sprintf(sc->sc_vendor, "CMDTECH");
217                 break;
218         case PCI_OHCI_VENDORID_NEC:
219                 sprintf(sc->sc_vendor, "NEC");
220                 break;
221         case PCI_OHCI_VENDORID_OPTI:
222                 sprintf(sc->sc_vendor, "OPTi");
223                 break;
224         case PCI_OHCI_VENDORID_SIS:
225                 sprintf(sc->sc_vendor, "SiS");
226                 break;
227         default:
228                 if (bootverbose)
229                         device_printf(self, "(New OHCI DeviceId=0x%08x)\n",
230                             pci_get_devid(self));
231                 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
232         }
233
234         err = bus_setup_intr(self, sc->irq_res, INTR_TYPE_BIO,
235             (driver_intr_t *) ohci_intr, sc, &sc->ih);
236         if (err) {
237                 device_printf(self, "Could not setup irq, %d\n", err);
238                 sc->ih = NULL;
239                 ohci_pci_detach(self);
240                 return ENXIO;
241         }
242         err = ohci_init(sc);
243         if (!err)
244                 err = device_probe_and_attach(sc->sc_bus.bdev);
245
246         if (err) {
247                 device_printf(self, "USB init failed\n");
248                 ohci_pci_detach(self);
249                 return EIO;
250         }
251         return 0;
252 }
253
254 static int
255 ohci_pci_detach(device_t self)
256 {
257         ohci_softc_t *sc = device_get_softc(self);
258
259         /*
260          * XXX this code is not yet fit to be used as detach for the OHCI
261          * controller
262          */
263
264         /*
265          * disable interrupts that might have been switched on in ohci_init
266          */
267         if (sc->iot && sc->ioh)
268                 bus_space_write_4(sc->iot, sc->ioh,
269                     OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
270
271         if (sc->irq_res && sc->ih) {
272                 int err = bus_teardown_intr(self, sc->irq_res, sc->ih);
273
274                 if (err)
275                         /* XXX or should we panic? */
276                         device_printf(self, "Could not tear down irq, %d\n",
277                             err);
278                 sc->ih = NULL;
279         }
280         if (sc->sc_bus.bdev) {
281                 device_delete_child(self, sc->sc_bus.bdev);
282                 sc->sc_bus.bdev = NULL;
283         }
284         if (sc->irq_res) {
285                 bus_release_resource(self, SYS_RES_IRQ, 0, sc->irq_res);
286                 sc->irq_res = NULL;
287         }
288         if (sc->io_res) {
289                 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM, sc->io_res);
290                 sc->io_res = NULL;
291                 sc->iot = 0;
292                 sc->ioh = 0;
293         }
294         return 0;
295 }
296
297 static device_method_t ohci_methods[] = {
298         /* Device interface */
299         DEVMETHOD(device_probe, ohci_pci_probe),
300         DEVMETHOD(device_attach, ohci_pci_attach),
301         DEVMETHOD(device_shutdown, bus_generic_shutdown),
302
303         /* Bus interface */
304         DEVMETHOD(bus_print_child, bus_generic_print_child),
305
306         {0, 0}
307 };
308
309 static driver_t ohci_driver = {
310         "ohci",
311         ohci_methods,
312         sizeof(ohci_softc_t),
313 };
314
315 static devclass_t ohci_devclass;
316
317 DRIVER_MODULE(ohci, pci, ohci_driver, ohci_devclass, 0, 0);