3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/stdint.h>
28 #include <sys/stddef.h>
29 #include <sys/param.h>
30 #include <sys/queue.h>
31 #include <sys/types.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
35 #include <sys/module.h>
37 #include <sys/mutex.h>
38 #include <sys/condvar.h>
39 #include <sys/sysctl.h>
41 #include <sys/unistd.h>
42 #include <sys/callout.h>
43 #include <sys/malloc.h>
46 #include <dev/usb/usb.h>
47 #include <dev/usb/usbdi.h>
49 #include <dev/usb/usb_core.h>
50 #include <dev/usb/usb_debug.h>
51 #include <dev/usb/usb_process.h>
52 #include <dev/usb/usb_device.h>
53 #include <dev/usb/usb_busdma.h>
54 #include <dev/usb/usb_transfer.h>
57 #include <ddb/db_sym.h>
60 * Define this unconditionally in case a kernel module is loaded that
61 * has been compiled with debugging options.
65 SYSCTL_NODE(_hw, OID_AUTO, usb, CTLFLAG_RW, 0, "USB debugging");
66 SYSCTL_INT(_hw_usb, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN,
67 &usb_debug, 0, "Debug level");
68 TUNABLE_INT("hw.usb.debug", &usb_debug);
72 * Sysctls to modify timings/delays
74 static SYSCTL_NODE(_hw_usb, OID_AUTO, timings, CTLFLAG_RW, 0, "Timings");
75 static int usb_timings_sysctl_handler(SYSCTL_HANDLER_ARGS);
77 TUNABLE_INT("hw.usb.timings.port_reset_delay", (int *)&usb_port_reset_delay);
78 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_reset_delay, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
79 &usb_port_reset_delay, sizeof(usb_port_reset_delay),
80 usb_timings_sysctl_handler, "IU", "Port Reset Delay");
81 TUNABLE_INT("hw.usb.timings.port_root_reset_delay", (int *)&usb_port_root_reset_delay);
82 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_root_reset_delay, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
83 &usb_port_root_reset_delay, sizeof(usb_port_root_reset_delay),
84 usb_timings_sysctl_handler, "IU", "Root Port Reset Delay");
85 TUNABLE_INT("hw.usb.timings.port_reset_recovery", (int *)&usb_port_reset_recovery);
86 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_reset_recovery, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
87 &usb_port_reset_recovery, sizeof(usb_port_reset_recovery),
88 usb_timings_sysctl_handler, "IU", "Port Reset Recovery");
89 TUNABLE_INT("hw.usb.timings.port_powerup_delay", (int *)&usb_port_powerup_delay);
90 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_powerup_delay, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
91 &usb_port_powerup_delay, sizeof(usb_port_powerup_delay),
92 usb_timings_sysctl_handler, "IU", "Port PowerUp Delay");
93 TUNABLE_INT("hw.usb.timings.port_resume_delay", (int *)&usb_port_resume_delay);
94 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, port_resume_delay, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
95 &usb_port_resume_delay, sizeof(usb_port_resume_delay),
96 usb_timings_sysctl_handler, "IU", "Port Resume Delay");
97 TUNABLE_INT("hw.usb.timings.set_address_settle", (int *)&usb_set_address_settle);
98 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, set_address_settle, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
99 &usb_set_address_settle, sizeof(usb_set_address_settle),
100 usb_timings_sysctl_handler, "IU", "Set Address Settle");
101 TUNABLE_INT("hw.usb.timings.resume_delay", (int *)&usb_resume_delay);
102 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, resume_delay, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
103 &usb_resume_delay, sizeof(usb_resume_delay),
104 usb_timings_sysctl_handler, "IU", "Resume Delay");
105 TUNABLE_INT("hw.usb.timings.resume_wait", (int *)&usb_resume_wait);
106 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, resume_wait, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
107 &usb_resume_wait, sizeof(usb_resume_wait),
108 usb_timings_sysctl_handler, "IU", "Resume Wait");
109 TUNABLE_INT("hw.usb.timings.resume_recovery", (int *)&usb_resume_recovery);
110 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, resume_recovery, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
111 &usb_resume_recovery, sizeof(usb_resume_recovery),
112 usb_timings_sysctl_handler, "IU", "Resume Recovery");
113 TUNABLE_INT("hw.usb.timings.extra_power_up_time", (int *)&usb_extra_power_up_time);
114 SYSCTL_PROC(_hw_usb_timings, OID_AUTO, extra_power_up_time, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_TUN,
115 &usb_extra_power_up_time, sizeof(usb_extra_power_up_time),
116 usb_timings_sysctl_handler, "IU", "Extra PowerUp Time");
119 /*------------------------------------------------------------------------*
122 * This function dumps information about an USB interface.
123 *------------------------------------------------------------------------*/
125 usb_dump_iface(struct usb_interface *iface)
127 printf("usb_dump_iface: iface=%p\n", iface);
131 printf(" iface=%p idesc=%p altindex=%d\n",
132 iface, iface->idesc, iface->alt_index);
135 /*------------------------------------------------------------------------*
138 * This function dumps information about an USB device.
139 *------------------------------------------------------------------------*/
141 usb_dump_device(struct usb_device *udev)
143 printf("usb_dump_device: dev=%p\n", udev);
148 " address=%d config=%d depth=%d speed=%d self_powered=%d\n"
149 " power=%d langid=%d\n",
151 udev->address, udev->curr_config_no, udev->depth, udev->speed,
152 udev->flags.self_powered, udev->power, udev->langid);
155 /*------------------------------------------------------------------------*
158 * This function dumps the USB transfer that are queued up on an USB endpoint.
159 *------------------------------------------------------------------------*/
161 usb_dump_queue(struct usb_endpoint *ep)
163 struct usb_xfer *xfer;
165 printf("usb_dump_queue: endpoint=%p xfer: ", ep);
166 TAILQ_FOREACH(xfer, &ep->endpoint_q.head, wait_entry) {
172 /*------------------------------------------------------------------------*
175 * This function dumps information about an USB endpoint.
176 *------------------------------------------------------------------------*/
178 usb_dump_endpoint(struct usb_endpoint *ep)
181 printf("usb_dump_endpoint: endpoint=%p", ep);
183 printf(" edesc=%p isoc_next=%d toggle_next=%d",
184 ep->edesc, ep->isoc_next, ep->toggle_next);
187 printf(" bEndpointAddress=0x%02x",
188 ep->edesc->bEndpointAddress);
193 printf("usb_dump_endpoint: endpoint=NULL\n");
197 /*------------------------------------------------------------------------*
200 * This function dumps information about an USB transfer.
201 *------------------------------------------------------------------------*/
203 usb_dump_xfer(struct usb_xfer *xfer)
205 struct usb_device *udev;
206 printf("usb_dump_xfer: xfer=%p\n", xfer);
210 if (xfer->endpoint == NULL) {
211 printf("xfer %p: endpoint=NULL\n",
215 udev = xfer->xroot->udev;
216 printf("xfer %p: udev=%p vid=0x%04x pid=0x%04x addr=%d "
217 "endpoint=%p ep=0x%02x attr=0x%02x\n",
219 UGETW(udev->ddesc.idVendor),
220 UGETW(udev->ddesc.idProduct),
221 udev->address, xfer->endpoint,
222 xfer->endpoint->edesc->bEndpointAddress,
223 xfer->endpoint->edesc->bmAttributes);
227 unsigned int usb_port_reset_delay = USB_PORT_RESET_DELAY;
228 unsigned int usb_port_root_reset_delay = USB_PORT_ROOT_RESET_DELAY;
229 unsigned int usb_port_reset_recovery = USB_PORT_RESET_RECOVERY;
230 unsigned int usb_port_powerup_delay = USB_PORT_POWERUP_DELAY;
231 unsigned int usb_port_resume_delay = USB_PORT_RESUME_DELAY;
232 unsigned int usb_set_address_settle = USB_SET_ADDRESS_SETTLE;
233 unsigned int usb_resume_delay = USB_RESUME_DELAY;
234 unsigned int usb_resume_wait = USB_RESUME_WAIT;
235 unsigned int usb_resume_recovery = USB_RESUME_RECOVERY;
236 unsigned int usb_extra_power_up_time = USB_EXTRA_POWER_UP_TIME;
238 /*------------------------------------------------------------------------*
239 * usb_timings_sysctl_handler
241 * This function updates timings variables, adjusting them where necessary.
242 *------------------------------------------------------------------------*/
243 static int usb_timings_sysctl_handler(SYSCTL_HANDLER_ARGS)
249 * Attempt to get a coherent snapshot by making a copy of the data.
252 val = *(unsigned int *)arg1;
255 error = SYSCTL_OUT(req, &val, sizeof(int));
256 if (error || !req->newptr)
262 error = SYSCTL_IN(req, &val, sizeof(unsigned int));
267 * Now make sure the values are decent, and certainly no lower than
268 * what the USB spec prescribes.
270 unsigned int *p = (unsigned int *)arg1;
271 if (p == &usb_port_reset_delay) {
272 if (val < USB_PORT_RESET_DELAY_SPEC)
274 } else if (p == &usb_port_root_reset_delay) {
275 if (val < USB_PORT_ROOT_RESET_DELAY_SPEC)
277 } else if (p == &usb_port_reset_recovery) {
278 if (val < USB_PORT_RESET_RECOVERY_SPEC)
280 } else if (p == &usb_port_powerup_delay) {
281 if (val < USB_PORT_POWERUP_DELAY_SPEC)
283 } else if (p == &usb_port_resume_delay) {
284 if (val < USB_PORT_RESUME_DELAY_SPEC)
286 } else if (p == &usb_set_address_settle) {
287 if (val < USB_SET_ADDRESS_SETTLE_SPEC)
289 } else if (p == &usb_resume_delay) {
290 if (val < USB_RESUME_DELAY_SPEC)
292 } else if (p == &usb_resume_wait) {
293 if (val < USB_RESUME_WAIT_SPEC)
295 } else if (p == &usb_resume_recovery) {
296 if (val < USB_RESUME_RECOVERY_SPEC)
298 } else if (p == &usb_extra_power_up_time) {
299 if (val < USB_EXTRA_POWER_UP_TIME_SPEC)