1/*-
2 * Copyright (c) 1998 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Lennart Augustsson (augustss@carlstedt.se) at
7 * Carlstedt Research & Technology.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
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.
17 *
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.
29 */
30
31#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1998 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Lennart Augustsson (augustss@carlstedt.se) at
7 * Carlstedt Research & Technology.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
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.
17 *
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.
29 */
30
31#include <sys/cdefs.h>
|
32__FBSDID("$FreeBSD: head/sys/dev/usb/controller/ehci_pci.c 227849 2011-11-22 21:56:55Z hselasky $");
| 32__FBSDID("$FreeBSD: head/sys/dev/usb/controller/ehci_pci.c 228483 2011-12-14 00:28:54Z hselasky $");
|
33
34/*
35 * USB Enhanced Host Controller Driver, a.k.a. USB 2.0 controller.
36 *
37 * The EHCI 1.0 spec can be found at
38 * http://developer.intel.com/technology/usb/download/ehci-r10.pdf
39 * and the USB 2.0 spec at
40 * http://www.usb.org/developers/docs/usb_20.zip
41 */
42
43/* The low level controller code for EHCI has been split into
44 * PCI probes and EHCI specific code. This was done to facilitate the
45 * sharing of code between *BSD's
46 */
47
48#include <sys/stdint.h>
49#include <sys/stddef.h>
50#include <sys/param.h>
51#include <sys/queue.h>
52#include <sys/types.h>
53#include <sys/systm.h>
54#include <sys/kernel.h>
55#include <sys/bus.h>
56#include <sys/module.h>
57#include <sys/lock.h>
58#include <sys/mutex.h>
59#include <sys/condvar.h>
60#include <sys/sysctl.h>
61#include <sys/sx.h>
62#include <sys/unistd.h>
63#include <sys/callout.h>
64#include <sys/malloc.h>
65#include <sys/priv.h>
66
67#include <dev/usb/usb.h>
68#include <dev/usb/usbdi.h>
69
70#include <dev/usb/usb_core.h>
71#include <dev/usb/usb_busdma.h>
72#include <dev/usb/usb_process.h>
73#include <dev/usb/usb_util.h>
74
75#include <dev/usb/usb_controller.h>
76#include <dev/usb/usb_bus.h>
77#include <dev/usb/usb_pci.h>
78#include <dev/usb/controller/ehci.h>
79#include <dev/usb/controller/ehcireg.h>
| 33
34/*
35 * USB Enhanced Host Controller Driver, a.k.a. USB 2.0 controller.
36 *
37 * The EHCI 1.0 spec can be found at
38 * http://developer.intel.com/technology/usb/download/ehci-r10.pdf
39 * and the USB 2.0 spec at
40 * http://www.usb.org/developers/docs/usb_20.zip
41 */
42
43/* The low level controller code for EHCI has been split into
44 * PCI probes and EHCI specific code. This was done to facilitate the
45 * sharing of code between *BSD's
46 */
47
48#include <sys/stdint.h>
49#include <sys/stddef.h>
50#include <sys/param.h>
51#include <sys/queue.h>
52#include <sys/types.h>
53#include <sys/systm.h>
54#include <sys/kernel.h>
55#include <sys/bus.h>
56#include <sys/module.h>
57#include <sys/lock.h>
58#include <sys/mutex.h>
59#include <sys/condvar.h>
60#include <sys/sysctl.h>
61#include <sys/sx.h>
62#include <sys/unistd.h>
63#include <sys/callout.h>
64#include <sys/malloc.h>
65#include <sys/priv.h>
66
67#include <dev/usb/usb.h>
68#include <dev/usb/usbdi.h>
69
70#include <dev/usb/usb_core.h>
71#include <dev/usb/usb_busdma.h>
72#include <dev/usb/usb_process.h>
73#include <dev/usb/usb_util.h>
74
75#include <dev/usb/usb_controller.h>
76#include <dev/usb/usb_bus.h>
77#include <dev/usb/usb_pci.h>
78#include <dev/usb/controller/ehci.h>
79#include <dev/usb/controller/ehcireg.h>
|
| 80#include "usb_if.h"
|
80
81#define PCI_EHCI_VENDORID_ACERLABS 0x10b9
82#define PCI_EHCI_VENDORID_AMD 0x1022
83#define PCI_EHCI_VENDORID_APPLE 0x106b
84#define PCI_EHCI_VENDORID_ATI 0x1002
85#define PCI_EHCI_VENDORID_CMDTECH 0x1095
86#define PCI_EHCI_VENDORID_INTEL 0x8086
87#define PCI_EHCI_VENDORID_NEC 0x1033
88#define PCI_EHCI_VENDORID_OPTI 0x1045
89#define PCI_EHCI_VENDORID_PHILIPS 0x1131
90#define PCI_EHCI_VENDORID_SIS 0x1039
91#define PCI_EHCI_VENDORID_NVIDIA 0x12D2
92#define PCI_EHCI_VENDORID_NVIDIA2 0x10DE
93#define PCI_EHCI_VENDORID_VIA 0x1106
94
| 81
82#define PCI_EHCI_VENDORID_ACERLABS 0x10b9
83#define PCI_EHCI_VENDORID_AMD 0x1022
84#define PCI_EHCI_VENDORID_APPLE 0x106b
85#define PCI_EHCI_VENDORID_ATI 0x1002
86#define PCI_EHCI_VENDORID_CMDTECH 0x1095
87#define PCI_EHCI_VENDORID_INTEL 0x8086
88#define PCI_EHCI_VENDORID_NEC 0x1033
89#define PCI_EHCI_VENDORID_OPTI 0x1045
90#define PCI_EHCI_VENDORID_PHILIPS 0x1131
91#define PCI_EHCI_VENDORID_SIS 0x1039
92#define PCI_EHCI_VENDORID_NVIDIA 0x12D2
93#define PCI_EHCI_VENDORID_NVIDIA2 0x10DE
94#define PCI_EHCI_VENDORID_VIA 0x1106
95
|
95static void ehci_pci_takecontroller(device_t self);
96
| |
97static device_probe_t ehci_pci_probe;
98static device_attach_t ehci_pci_attach;
99static device_detach_t ehci_pci_detach;
| 96static device_probe_t ehci_pci_probe;
97static device_attach_t ehci_pci_attach;
98static device_detach_t ehci_pci_detach;
|
100static device_suspend_t ehci_pci_suspend;
101static device_resume_t ehci_pci_resume;
102static device_shutdown_t ehci_pci_shutdown;
| 99static usb_take_controller_t ehci_pci_take_controller;
|
103
| 100
|
104static int
105ehci_pci_suspend(device_t self)
106{
107 ehci_softc_t *sc = device_get_softc(self);
108 int err;
109
110 err = bus_generic_suspend(self);
111 if (err)
112 return (err);
113 ehci_suspend(sc);
114 return (0);
115}
116
117static int
118ehci_pci_resume(device_t self)
119{
120 ehci_softc_t *sc = device_get_softc(self);
121
122 ehci_pci_takecontroller(self);
123 ehci_resume(sc);
124
125 bus_generic_resume(self);
126
127 return (0);
128}
129
130static int
131ehci_pci_shutdown(device_t self)
132{
133 ehci_softc_t *sc = device_get_softc(self);
134 int err;
135
136 err = bus_generic_shutdown(self);
137 if (err)
138 return (err);
139 ehci_shutdown(sc);
140
141 return (0);
142}
143
| |
144static const char *
145ehci_pci_match(device_t self)
146{
147 uint32_t device_id = pci_get_devid(self);
148
149 switch (device_id) {
150 case 0x268c8086:
151 return ("Intel 63XXESB USB 2.0 controller");
152
153 case 0x523910b9:
154 return "ALi M5239 USB 2.0 controller";
155
156 case 0x10227463:
157 return "AMD 8111 USB 2.0 controller";
158
159 case 0x20951022:
160 return ("AMD CS5536 (Geode) USB 2.0 controller");
161
162 case 0x43451002:
163 return "ATI SB200 USB 2.0 controller";
164 case 0x43731002:
165 return "ATI SB400 USB 2.0 controller";
166
167 case 0x25ad8086:
168 return "Intel 6300ESB USB 2.0 controller";
169 case 0x24cd8086:
170 return "Intel 82801DB/L/M (ICH4) USB 2.0 controller";
171 case 0x24dd8086:
172 return "Intel 82801EB/R (ICH5) USB 2.0 controller";
173 case 0x265c8086:
174 return "Intel 82801FB (ICH6) USB 2.0 controller";
175 case 0x27cc8086:
176 return "Intel 82801GB/R (ICH7) USB 2.0 controller";
177
178 case 0x28368086:
179 return "Intel 82801H (ICH8) USB 2.0 controller USB2-A";
180 case 0x283a8086:
181 return "Intel 82801H (ICH8) USB 2.0 controller USB2-B";
182 case 0x293a8086:
183 return "Intel 82801I (ICH9) USB 2.0 controller";
184 case 0x293c8086:
185 return "Intel 82801I (ICH9) USB 2.0 controller";
186 case 0x3a3a8086:
187 return "Intel 82801JI (ICH10) USB 2.0 controller USB-A";
188 case 0x3a3c8086:
189 return "Intel 82801JI (ICH10) USB 2.0 controller USB-B";
190 case 0x3b348086:
191 return ("Intel PCH USB 2.0 controller USB-A");
192 case 0x3b3c8086:
193 return ("Intel PCH USB 2.0 controller USB-B");
194
195 case 0x00e01033:
196 return ("NEC uPD 720100 USB 2.0 controller");
197
198 case 0x006810de:
199 return "NVIDIA nForce2 USB 2.0 controller";
200 case 0x008810de:
201 return "NVIDIA nForce2 Ultra 400 USB 2.0 controller";
202 case 0x00d810de:
203 return "NVIDIA nForce3 USB 2.0 controller";
204 case 0x00e810de:
205 return "NVIDIA nForce3 250 USB 2.0 controller";
206 case 0x005b10de:
207 return "NVIDIA nForce4 USB 2.0 controller";
208 case 0x036d10de:
209 return "NVIDIA nForce MCP55 USB 2.0 controller";
210 case 0x03f210de:
211 return "NVIDIA nForce MCP61 USB 2.0 controller";
212 case 0x0aa610de:
213 return "NVIDIA nForce MCP79 USB 2.0 controller";
214 case 0x0aa910de:
215 return "NVIDIA nForce MCP79 USB 2.0 controller";
216 case 0x0aaa10de:
217 return "NVIDIA nForce MCP79 USB 2.0 controller";
218
219 case 0x15621131:
220 return "Philips ISP156x USB 2.0 controller";
221
222 case 0x31041106:
223 return ("VIA VT6202 USB 2.0 controller");
224
225 default:
226 break;
227 }
228
229 if ((pci_get_class(self) == PCIC_SERIALBUS)
230 && (pci_get_subclass(self) == PCIS_SERIALBUS_USB)
231 && (pci_get_progif(self) == PCI_INTERFACE_EHCI)) {
232 return ("EHCI (generic) USB 2.0 controller");
233 }
234 return (NULL); /* dunno */
235}
236
237static int
238ehci_pci_probe(device_t self)
239{
240 const char *desc = ehci_pci_match(self);
241
242 if (desc) {
243 device_set_desc(self, desc);
244 return (0);
245 } else {
246 return (ENXIO);
247 }
248}
249
250static void
251ehci_pci_ati_quirk(device_t self, uint8_t is_sb700)
252{
253 device_t smbdev;
254 uint32_t val;
255
256 if (is_sb700) {
257 /* Lookup SMBUS PCI device */
258 smbdev = pci_find_device(PCI_EHCI_VENDORID_ATI, 0x4385);
259 if (smbdev == NULL)
260 return;
261 val = pci_get_revid(smbdev);
262 if (val != 0x3a && val != 0x3b)
263 return;
264 }
265
266 /*
267 * Note: this bit is described as reserved in SB700
268 * Register Reference Guide.
269 */
270 val = pci_read_config(self, 0x53, 1);
271 if (!(val & 0x8)) {
272 val |= 0x8;
273 pci_write_config(self, 0x53, val, 1);
274 device_printf(self, "AMD SB600/700 quirk applied\n");
275 }
276}
277
278static void
279ehci_pci_via_quirk(device_t self)
280{
281 uint32_t val;
282
283 if ((pci_get_device(self) == 0x3104) &&
284 ((pci_get_revid(self) & 0xf0) == 0x60)) {
285 /* Correct schedule sleep time to 10us */
286 val = pci_read_config(self, 0x4b, 1);
287 if (val & 0x20)
288 return;
289 pci_write_config(self, 0x4b, val, 1);
290 device_printf(self, "VIA-quirk applied\n");
291 }
292}
293
294static int
295ehci_pci_attach(device_t self)
296{
297 ehci_softc_t *sc = device_get_softc(self);
298 int err;
299 int rid;
300
301 /* initialise some bus fields */
302 sc->sc_bus.parent = self;
303 sc->sc_bus.devices = sc->sc_devices;
304 sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
305
306 /* get all DMA memory */
307 if (usb_bus_mem_alloc_all(&sc->sc_bus,
308 USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
309 return (ENOMEM);
310 }
311
312 pci_enable_busmaster(self);
313
314 switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
315 case PCI_USB_REV_PRE_1_0:
316 case PCI_USB_REV_1_0:
317 case PCI_USB_REV_1_1:
318 /*
319 * NOTE: some EHCI USB controllers have the wrong USB
320 * revision number. It appears those controllers are
321 * fully compliant so we just ignore this value in
322 * some common cases.
323 */
324 device_printf(self, "pre-2.0 USB revision (ignored)\n");
325 /* fallthrough */
326 case PCI_USB_REV_2_0:
327 break;
328 default:
329 /* Quirk for Parallels Desktop 4.0 */
330 device_printf(self, "USB revision is unknown. Assuming v2.0.\n");
331 break;
332 }
333
334 rid = PCI_CBMEM;
335 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
336 RF_ACTIVE);
337 if (!sc->sc_io_res) {
338 device_printf(self, "Could not map memory\n");
339 goto error;
340 }
341 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
342 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
343 sc->sc_io_size = rman_get_size(sc->sc_io_res);
344
345 rid = 0;
346 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
347 RF_SHAREABLE | RF_ACTIVE);
348 if (sc->sc_irq_res == NULL) {
349 device_printf(self, "Could not allocate irq\n");
350 goto error;
351 }
352 sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
353 if (!sc->sc_bus.bdev) {
354 device_printf(self, "Could not add USB device\n");
355 goto error;
356 }
357 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
358
359 /*
360 * ehci_pci_match will never return NULL if ehci_pci_probe
361 * succeeded
362 */
363 device_set_desc(sc->sc_bus.bdev, ehci_pci_match(self));
364 switch (pci_get_vendor(self)) {
365 case PCI_EHCI_VENDORID_ACERLABS:
366 sprintf(sc->sc_vendor, "AcerLabs");
367 break;
368 case PCI_EHCI_VENDORID_AMD:
369 sprintf(sc->sc_vendor, "AMD");
370 break;
371 case PCI_EHCI_VENDORID_APPLE:
372 sprintf(sc->sc_vendor, "Apple");
373 break;
374 case PCI_EHCI_VENDORID_ATI:
375 sprintf(sc->sc_vendor, "ATI");
376 break;
377 case PCI_EHCI_VENDORID_CMDTECH:
378 sprintf(sc->sc_vendor, "CMDTECH");
379 break;
380 case PCI_EHCI_VENDORID_INTEL:
381 sprintf(sc->sc_vendor, "Intel");
382 break;
383 case PCI_EHCI_VENDORID_NEC:
384 sprintf(sc->sc_vendor, "NEC");
385 break;
386 case PCI_EHCI_VENDORID_OPTI:
387 sprintf(sc->sc_vendor, "OPTi");
388 break;
389 case PCI_EHCI_VENDORID_PHILIPS:
390 sprintf(sc->sc_vendor, "Philips");
391 break;
392 case PCI_EHCI_VENDORID_SIS:
393 sprintf(sc->sc_vendor, "SiS");
394 break;
395 case PCI_EHCI_VENDORID_NVIDIA:
396 case PCI_EHCI_VENDORID_NVIDIA2:
397 sprintf(sc->sc_vendor, "nVidia");
398 break;
399 case PCI_EHCI_VENDORID_VIA:
400 sprintf(sc->sc_vendor, "VIA");
401 break;
402 default:
403 if (bootverbose)
404 device_printf(self, "(New EHCI DeviceId=0x%08x)\n",
405 pci_get_devid(self));
406 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
407 }
408
409#if (__FreeBSD_version >= 700031)
410 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
411 NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
412#else
413 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
414 (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
415#endif
416 if (err) {
417 device_printf(self, "Could not setup irq, %d\n", err);
418 sc->sc_intr_hdl = NULL;
419 goto error;
420 }
| 101static const char *
102ehci_pci_match(device_t self)
103{
104 uint32_t device_id = pci_get_devid(self);
105
106 switch (device_id) {
107 case 0x268c8086:
108 return ("Intel 63XXESB USB 2.0 controller");
109
110 case 0x523910b9:
111 return "ALi M5239 USB 2.0 controller";
112
113 case 0x10227463:
114 return "AMD 8111 USB 2.0 controller";
115
116 case 0x20951022:
117 return ("AMD CS5536 (Geode) USB 2.0 controller");
118
119 case 0x43451002:
120 return "ATI SB200 USB 2.0 controller";
121 case 0x43731002:
122 return "ATI SB400 USB 2.0 controller";
123
124 case 0x25ad8086:
125 return "Intel 6300ESB USB 2.0 controller";
126 case 0x24cd8086:
127 return "Intel 82801DB/L/M (ICH4) USB 2.0 controller";
128 case 0x24dd8086:
129 return "Intel 82801EB/R (ICH5) USB 2.0 controller";
130 case 0x265c8086:
131 return "Intel 82801FB (ICH6) USB 2.0 controller";
132 case 0x27cc8086:
133 return "Intel 82801GB/R (ICH7) USB 2.0 controller";
134
135 case 0x28368086:
136 return "Intel 82801H (ICH8) USB 2.0 controller USB2-A";
137 case 0x283a8086:
138 return "Intel 82801H (ICH8) USB 2.0 controller USB2-B";
139 case 0x293a8086:
140 return "Intel 82801I (ICH9) USB 2.0 controller";
141 case 0x293c8086:
142 return "Intel 82801I (ICH9) USB 2.0 controller";
143 case 0x3a3a8086:
144 return "Intel 82801JI (ICH10) USB 2.0 controller USB-A";
145 case 0x3a3c8086:
146 return "Intel 82801JI (ICH10) USB 2.0 controller USB-B";
147 case 0x3b348086:
148 return ("Intel PCH USB 2.0 controller USB-A");
149 case 0x3b3c8086:
150 return ("Intel PCH USB 2.0 controller USB-B");
151
152 case 0x00e01033:
153 return ("NEC uPD 720100 USB 2.0 controller");
154
155 case 0x006810de:
156 return "NVIDIA nForce2 USB 2.0 controller";
157 case 0x008810de:
158 return "NVIDIA nForce2 Ultra 400 USB 2.0 controller";
159 case 0x00d810de:
160 return "NVIDIA nForce3 USB 2.0 controller";
161 case 0x00e810de:
162 return "NVIDIA nForce3 250 USB 2.0 controller";
163 case 0x005b10de:
164 return "NVIDIA nForce4 USB 2.0 controller";
165 case 0x036d10de:
166 return "NVIDIA nForce MCP55 USB 2.0 controller";
167 case 0x03f210de:
168 return "NVIDIA nForce MCP61 USB 2.0 controller";
169 case 0x0aa610de:
170 return "NVIDIA nForce MCP79 USB 2.0 controller";
171 case 0x0aa910de:
172 return "NVIDIA nForce MCP79 USB 2.0 controller";
173 case 0x0aaa10de:
174 return "NVIDIA nForce MCP79 USB 2.0 controller";
175
176 case 0x15621131:
177 return "Philips ISP156x USB 2.0 controller";
178
179 case 0x31041106:
180 return ("VIA VT6202 USB 2.0 controller");
181
182 default:
183 break;
184 }
185
186 if ((pci_get_class(self) == PCIC_SERIALBUS)
187 && (pci_get_subclass(self) == PCIS_SERIALBUS_USB)
188 && (pci_get_progif(self) == PCI_INTERFACE_EHCI)) {
189 return ("EHCI (generic) USB 2.0 controller");
190 }
191 return (NULL); /* dunno */
192}
193
194static int
195ehci_pci_probe(device_t self)
196{
197 const char *desc = ehci_pci_match(self);
198
199 if (desc) {
200 device_set_desc(self, desc);
201 return (0);
202 } else {
203 return (ENXIO);
204 }
205}
206
207static void
208ehci_pci_ati_quirk(device_t self, uint8_t is_sb700)
209{
210 device_t smbdev;
211 uint32_t val;
212
213 if (is_sb700) {
214 /* Lookup SMBUS PCI device */
215 smbdev = pci_find_device(PCI_EHCI_VENDORID_ATI, 0x4385);
216 if (smbdev == NULL)
217 return;
218 val = pci_get_revid(smbdev);
219 if (val != 0x3a && val != 0x3b)
220 return;
221 }
222
223 /*
224 * Note: this bit is described as reserved in SB700
225 * Register Reference Guide.
226 */
227 val = pci_read_config(self, 0x53, 1);
228 if (!(val & 0x8)) {
229 val |= 0x8;
230 pci_write_config(self, 0x53, val, 1);
231 device_printf(self, "AMD SB600/700 quirk applied\n");
232 }
233}
234
235static void
236ehci_pci_via_quirk(device_t self)
237{
238 uint32_t val;
239
240 if ((pci_get_device(self) == 0x3104) &&
241 ((pci_get_revid(self) & 0xf0) == 0x60)) {
242 /* Correct schedule sleep time to 10us */
243 val = pci_read_config(self, 0x4b, 1);
244 if (val & 0x20)
245 return;
246 pci_write_config(self, 0x4b, val, 1);
247 device_printf(self, "VIA-quirk applied\n");
248 }
249}
250
251static int
252ehci_pci_attach(device_t self)
253{
254 ehci_softc_t *sc = device_get_softc(self);
255 int err;
256 int rid;
257
258 /* initialise some bus fields */
259 sc->sc_bus.parent = self;
260 sc->sc_bus.devices = sc->sc_devices;
261 sc->sc_bus.devices_max = EHCI_MAX_DEVICES;
262
263 /* get all DMA memory */
264 if (usb_bus_mem_alloc_all(&sc->sc_bus,
265 USB_GET_DMA_TAG(self), &ehci_iterate_hw_softc)) {
266 return (ENOMEM);
267 }
268
269 pci_enable_busmaster(self);
270
271 switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
272 case PCI_USB_REV_PRE_1_0:
273 case PCI_USB_REV_1_0:
274 case PCI_USB_REV_1_1:
275 /*
276 * NOTE: some EHCI USB controllers have the wrong USB
277 * revision number. It appears those controllers are
278 * fully compliant so we just ignore this value in
279 * some common cases.
280 */
281 device_printf(self, "pre-2.0 USB revision (ignored)\n");
282 /* fallthrough */
283 case PCI_USB_REV_2_0:
284 break;
285 default:
286 /* Quirk for Parallels Desktop 4.0 */
287 device_printf(self, "USB revision is unknown. Assuming v2.0.\n");
288 break;
289 }
290
291 rid = PCI_CBMEM;
292 sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,
293 RF_ACTIVE);
294 if (!sc->sc_io_res) {
295 device_printf(self, "Could not map memory\n");
296 goto error;
297 }
298 sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
299 sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
300 sc->sc_io_size = rman_get_size(sc->sc_io_res);
301
302 rid = 0;
303 sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
304 RF_SHAREABLE | RF_ACTIVE);
305 if (sc->sc_irq_res == NULL) {
306 device_printf(self, "Could not allocate irq\n");
307 goto error;
308 }
309 sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
310 if (!sc->sc_bus.bdev) {
311 device_printf(self, "Could not add USB device\n");
312 goto error;
313 }
314 device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
315
316 /*
317 * ehci_pci_match will never return NULL if ehci_pci_probe
318 * succeeded
319 */
320 device_set_desc(sc->sc_bus.bdev, ehci_pci_match(self));
321 switch (pci_get_vendor(self)) {
322 case PCI_EHCI_VENDORID_ACERLABS:
323 sprintf(sc->sc_vendor, "AcerLabs");
324 break;
325 case PCI_EHCI_VENDORID_AMD:
326 sprintf(sc->sc_vendor, "AMD");
327 break;
328 case PCI_EHCI_VENDORID_APPLE:
329 sprintf(sc->sc_vendor, "Apple");
330 break;
331 case PCI_EHCI_VENDORID_ATI:
332 sprintf(sc->sc_vendor, "ATI");
333 break;
334 case PCI_EHCI_VENDORID_CMDTECH:
335 sprintf(sc->sc_vendor, "CMDTECH");
336 break;
337 case PCI_EHCI_VENDORID_INTEL:
338 sprintf(sc->sc_vendor, "Intel");
339 break;
340 case PCI_EHCI_VENDORID_NEC:
341 sprintf(sc->sc_vendor, "NEC");
342 break;
343 case PCI_EHCI_VENDORID_OPTI:
344 sprintf(sc->sc_vendor, "OPTi");
345 break;
346 case PCI_EHCI_VENDORID_PHILIPS:
347 sprintf(sc->sc_vendor, "Philips");
348 break;
349 case PCI_EHCI_VENDORID_SIS:
350 sprintf(sc->sc_vendor, "SiS");
351 break;
352 case PCI_EHCI_VENDORID_NVIDIA:
353 case PCI_EHCI_VENDORID_NVIDIA2:
354 sprintf(sc->sc_vendor, "nVidia");
355 break;
356 case PCI_EHCI_VENDORID_VIA:
357 sprintf(sc->sc_vendor, "VIA");
358 break;
359 default:
360 if (bootverbose)
361 device_printf(self, "(New EHCI DeviceId=0x%08x)\n",
362 pci_get_devid(self));
363 sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
364 }
365
366#if (__FreeBSD_version >= 700031)
367 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
368 NULL, (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
369#else
370 err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
371 (driver_intr_t *)ehci_interrupt, sc, &sc->sc_intr_hdl);
372#endif
373 if (err) {
374 device_printf(self, "Could not setup irq, %d\n", err);
375 sc->sc_intr_hdl = NULL;
376 goto error;
377 }
|
421 ehci_pci_takecontroller(self);
| 378 ehci_pci_take_controller(self);
|
422
423 /* Undocumented quirks taken from Linux */
424
425 switch (pci_get_vendor(self)) {
426 case PCI_EHCI_VENDORID_ATI:
427 /* SB600 and SB700 EHCI quirk */
428 switch (pci_get_device(self)) {
429 case 0x4386:
430 ehci_pci_ati_quirk(self, 0);
431 break;
432 case 0x4396:
433 ehci_pci_ati_quirk(self, 1);
434 break;
435 default:
436 break;
437 }
438 break;
439
440 case PCI_EHCI_VENDORID_VIA:
441 ehci_pci_via_quirk(self);
442 break;
443
444 default:
445 break;
446 }
447
448 /* Dropped interrupts workaround */
449 switch (pci_get_vendor(self)) {
450 case PCI_EHCI_VENDORID_ATI:
451 case PCI_EHCI_VENDORID_VIA:
452 sc->sc_flags |= EHCI_SCFLG_LOSTINTRBUG;
453 if (bootverbose)
454 device_printf(self,
455 "Dropped interrupts workaround enabled\n");
456 break;
457 default:
458 break;
459 }
460
461 /* Doorbell feature workaround */
462 switch (pci_get_vendor(self)) {
463 case PCI_EHCI_VENDORID_NVIDIA:
464 case PCI_EHCI_VENDORID_NVIDIA2:
465 sc->sc_flags |= EHCI_SCFLG_IAADBUG;
466 if (bootverbose)
467 device_printf(self,
468 "Doorbell workaround enabled\n");
469 break;
470 default:
471 break;
472 }
473
474 err = ehci_init(sc);
475 if (!err) {
476 err = device_probe_and_attach(sc->sc_bus.bdev);
477 }
478 if (err) {
479 device_printf(self, "USB init failed err=%d\n", err);
480 goto error;
481 }
482 return (0);
483
484error:
485 ehci_pci_detach(self);
486 return (ENXIO);
487}
488
489static int
490ehci_pci_detach(device_t self)
491{
492 ehci_softc_t *sc = device_get_softc(self);
493 device_t bdev;
494
495 if (sc->sc_bus.bdev) {
496 bdev = sc->sc_bus.bdev;
497 device_detach(bdev);
498 device_delete_child(self, bdev);
499 }
500 /* during module unload there are lots of children leftover */
501 device_delete_children(self);
502
503 pci_disable_busmaster(self);
504
505 if (sc->sc_irq_res && sc->sc_intr_hdl) {
506 /*
507 * only call ehci_detach() after ehci_init()
508 */
509 ehci_detach(sc);
510
511 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
512
513 if (err)
514 /* XXX or should we panic? */
515 device_printf(self, "Could not tear down irq, %d\n",
516 err);
517 sc->sc_intr_hdl = NULL;
518 }
519 if (sc->sc_irq_res) {
520 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
521 sc->sc_irq_res = NULL;
522 }
523 if (sc->sc_io_res) {
524 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
525 sc->sc_io_res);
526 sc->sc_io_res = NULL;
527 }
528 usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
529
530 return (0);
531}
532
| 379
380 /* Undocumented quirks taken from Linux */
381
382 switch (pci_get_vendor(self)) {
383 case PCI_EHCI_VENDORID_ATI:
384 /* SB600 and SB700 EHCI quirk */
385 switch (pci_get_device(self)) {
386 case 0x4386:
387 ehci_pci_ati_quirk(self, 0);
388 break;
389 case 0x4396:
390 ehci_pci_ati_quirk(self, 1);
391 break;
392 default:
393 break;
394 }
395 break;
396
397 case PCI_EHCI_VENDORID_VIA:
398 ehci_pci_via_quirk(self);
399 break;
400
401 default:
402 break;
403 }
404
405 /* Dropped interrupts workaround */
406 switch (pci_get_vendor(self)) {
407 case PCI_EHCI_VENDORID_ATI:
408 case PCI_EHCI_VENDORID_VIA:
409 sc->sc_flags |= EHCI_SCFLG_LOSTINTRBUG;
410 if (bootverbose)
411 device_printf(self,
412 "Dropped interrupts workaround enabled\n");
413 break;
414 default:
415 break;
416 }
417
418 /* Doorbell feature workaround */
419 switch (pci_get_vendor(self)) {
420 case PCI_EHCI_VENDORID_NVIDIA:
421 case PCI_EHCI_VENDORID_NVIDIA2:
422 sc->sc_flags |= EHCI_SCFLG_IAADBUG;
423 if (bootverbose)
424 device_printf(self,
425 "Doorbell workaround enabled\n");
426 break;
427 default:
428 break;
429 }
430
431 err = ehci_init(sc);
432 if (!err) {
433 err = device_probe_and_attach(sc->sc_bus.bdev);
434 }
435 if (err) {
436 device_printf(self, "USB init failed err=%d\n", err);
437 goto error;
438 }
439 return (0);
440
441error:
442 ehci_pci_detach(self);
443 return (ENXIO);
444}
445
446static int
447ehci_pci_detach(device_t self)
448{
449 ehci_softc_t *sc = device_get_softc(self);
450 device_t bdev;
451
452 if (sc->sc_bus.bdev) {
453 bdev = sc->sc_bus.bdev;
454 device_detach(bdev);
455 device_delete_child(self, bdev);
456 }
457 /* during module unload there are lots of children leftover */
458 device_delete_children(self);
459
460 pci_disable_busmaster(self);
461
462 if (sc->sc_irq_res && sc->sc_intr_hdl) {
463 /*
464 * only call ehci_detach() after ehci_init()
465 */
466 ehci_detach(sc);
467
468 int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
469
470 if (err)
471 /* XXX or should we panic? */
472 device_printf(self, "Could not tear down irq, %d\n",
473 err);
474 sc->sc_intr_hdl = NULL;
475 }
476 if (sc->sc_irq_res) {
477 bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
478 sc->sc_irq_res = NULL;
479 }
480 if (sc->sc_io_res) {
481 bus_release_resource(self, SYS_RES_MEMORY, PCI_CBMEM,
482 sc->sc_io_res);
483 sc->sc_io_res = NULL;
484 }
485 usb_bus_mem_free_all(&sc->sc_bus, &ehci_iterate_hw_softc);
486
487 return (0);
488}
489
|
533static void
534ehci_pci_takecontroller(device_t self)
| 490static int
491ehci_pci_take_controller(device_t self)
|
535{
536 ehci_softc_t *sc = device_get_softc(self);
537 uint32_t cparams;
538 uint32_t eec;
539 uint16_t to;
540 uint8_t eecp;
541 uint8_t bios_sem;
542
543 cparams = EREAD4(sc, EHCI_HCCPARAMS);
544
545 /* Synchronise with the BIOS if it owns the controller. */
546 for (eecp = EHCI_HCC_EECP(cparams); eecp != 0;
547 eecp = EHCI_EECP_NEXT(eec)) {
548 eec = pci_read_config(self, eecp, 4);
549 if (EHCI_EECP_ID(eec) != EHCI_EC_LEGSUP) {
550 continue;
551 }
552 bios_sem = pci_read_config(self, eecp +
553 EHCI_LEGSUP_BIOS_SEM, 1);
554 if (bios_sem == 0) {
555 continue;
556 }
557 device_printf(sc->sc_bus.bdev, "waiting for BIOS "
558 "to give up control\n");
559 pci_write_config(self, eecp +
560 EHCI_LEGSUP_OS_SEM, 1, 1);
561 to = 500;
562 while (1) {
563 bios_sem = pci_read_config(self, eecp +
564 EHCI_LEGSUP_BIOS_SEM, 1);
565 if (bios_sem == 0)
566 break;
567
568 if (--to == 0) {
569 device_printf(sc->sc_bus.bdev,
570 "timed out waiting for BIOS\n");
571 break;
572 }
573 usb_pause_mtx(NULL, hz / 100); /* wait 10ms */
574 }
575 }
| 492{
493 ehci_softc_t *sc = device_get_softc(self);
494 uint32_t cparams;
495 uint32_t eec;
496 uint16_t to;
497 uint8_t eecp;
498 uint8_t bios_sem;
499
500 cparams = EREAD4(sc, EHCI_HCCPARAMS);
501
502 /* Synchronise with the BIOS if it owns the controller. */
503 for (eecp = EHCI_HCC_EECP(cparams); eecp != 0;
504 eecp = EHCI_EECP_NEXT(eec)) {
505 eec = pci_read_config(self, eecp, 4);
506 if (EHCI_EECP_ID(eec) != EHCI_EC_LEGSUP) {
507 continue;
508 }
509 bios_sem = pci_read_config(self, eecp +
510 EHCI_LEGSUP_BIOS_SEM, 1);
511 if (bios_sem == 0) {
512 continue;
513 }
514 device_printf(sc->sc_bus.bdev, "waiting for BIOS "
515 "to give up control\n");
516 pci_write_config(self, eecp +
517 EHCI_LEGSUP_OS_SEM, 1, 1);
518 to = 500;
519 while (1) {
520 bios_sem = pci_read_config(self, eecp +
521 EHCI_LEGSUP_BIOS_SEM, 1);
522 if (bios_sem == 0)
523 break;
524
525 if (--to == 0) {
526 device_printf(sc->sc_bus.bdev,
527 "timed out waiting for BIOS\n");
528 break;
529 }
530 usb_pause_mtx(NULL, hz / 100); /* wait 10ms */
531 }
532 }
|
| 533 return (0);
|
576}
577
| 534}
535
|
578static driver_t ehci_driver =
579{
580 .name = "ehci",
581 .methods = (device_method_t[]){
582 /* device interface */
583 DEVMETHOD(device_probe, ehci_pci_probe),
584 DEVMETHOD(device_attach, ehci_pci_attach),
585 DEVMETHOD(device_detach, ehci_pci_detach),
586 DEVMETHOD(device_suspend, ehci_pci_suspend),
587 DEVMETHOD(device_resume, ehci_pci_resume),
588 DEVMETHOD(device_shutdown, ehci_pci_shutdown),
| 536static device_method_t ehci_pci_methods[] = {
537 /* Device interface */
538 DEVMETHOD(device_probe, ehci_pci_probe),
539 DEVMETHOD(device_attach, ehci_pci_attach),
540 DEVMETHOD(device_detach, ehci_pci_detach),
541 DEVMETHOD(device_suspend, bus_generic_suspend),
542 DEVMETHOD(device_resume, bus_generic_resume),
543 DEVMETHOD(device_shutdown, bus_generic_shutdown),
544 DEVMETHOD(usb_take_controller, ehci_pci_take_controller),
|
589
| 545
|
590 DEVMETHOD_END
591 },
| 546 DEVMETHOD_END
547};
548
549static driver_t ehci_driver = {
550 .name = "ehci",
551 .methods = ehci_pci_methods,
|
592 .size = sizeof(struct ehci_softc),
593};
594
595static devclass_t ehci_devclass;
596
597DRIVER_MODULE(ehci, pci, ehci_driver, ehci_devclass, 0, 0);
598MODULE_DEPEND(ehci, usb, 1, 1, 1);
| 552 .size = sizeof(struct ehci_softc),
553};
554
555static devclass_t ehci_devclass;
556
557DRIVER_MODULE(ehci, pci, ehci_driver, ehci_devclass, 0, 0);
558MODULE_DEPEND(ehci, usb, 1, 1, 1);
|