u3g.c revision 238529
1/*
2 * Copyright (c) 2008 AnyWi Technologies
3 * Author: Andrea Guzzo <aguzzo@anywi.com>
4 * * based on uark.c 1.1 2006/08/14 08:30:22 jsg *
5 * * parts from ubsa.c 183348 2008-09-25 12:00:56Z phk *
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 *
19 * $FreeBSD: head/sys/dev/usb/serial/u3g.c 238529 2012-07-16 10:12:07Z hselasky $
20 */
21
22/*
23 * NOTE:
24 *
25 * - The detour through the tty layer is ridiculously expensive wrt
26 *   buffering due to the high speeds.
27 *
28 *   We should consider adding a simple r/w device which allows
29 *   attaching of PPP in a more efficient way.
30 *
31 */
32
33
34#include <sys/stdint.h>
35#include <sys/stddef.h>
36#include <sys/param.h>
37#include <sys/queue.h>
38#include <sys/types.h>
39#include <sys/systm.h>
40#include <sys/kernel.h>
41#include <sys/bus.h>
42#include <sys/module.h>
43#include <sys/lock.h>
44#include <sys/mutex.h>
45#include <sys/condvar.h>
46#include <sys/sysctl.h>
47#include <sys/sx.h>
48#include <sys/unistd.h>
49#include <sys/callout.h>
50#include <sys/malloc.h>
51#include <sys/priv.h>
52
53#include <dev/usb/usb.h>
54#include <dev/usb/usbdi.h>
55#include <dev/usb/usbdi_util.h>
56#include "usbdevs.h"
57
58#define	USB_DEBUG_VAR u3g_debug
59#include <dev/usb/usb_debug.h>
60#include <dev/usb/usb_process.h>
61#include <dev/usb/usb_msctest.h>
62
63#include <dev/usb/serial/usb_serial.h>
64#include <dev/usb/quirk/usb_quirk.h>
65
66#ifdef USB_DEBUG
67static int u3g_debug = 0;
68
69static SYSCTL_NODE(_hw_usb, OID_AUTO, u3g, CTLFLAG_RW, 0, "USB 3g");
70SYSCTL_INT(_hw_usb_u3g, OID_AUTO, debug, CTLFLAG_RW,
71    &u3g_debug, 0, "Debug level");
72#endif
73
74#define	U3G_MAXPORTS		12
75#define	U3G_CONFIG_INDEX	0
76#define	U3G_BSIZE		2048
77
78#define	U3GSP_GPRS		0
79#define	U3GSP_EDGE		1
80#define	U3GSP_CDMA		2
81#define	U3GSP_UMTS		3
82#define	U3GSP_HSDPA		4
83#define	U3GSP_HSUPA		5
84#define	U3GSP_HSPA		6
85#define	U3GSP_MAX		7
86
87/* Eject methods; See also usb_quirks.h:UQ_MSC_EJECT_* */
88#define	U3GINIT_HUAWEI		1	/* Requires Huawei init command */
89#define	U3GINIT_SIERRA		2	/* Requires Sierra init command */
90#define	U3GINIT_SCSIEJECT	3	/* Requires SCSI eject command */
91#define	U3GINIT_REZERO		4	/* Requires SCSI rezero command */
92#define	U3GINIT_ZTESTOR		5	/* Requires ZTE SCSI command */
93#define	U3GINIT_CMOTECH		6	/* Requires CMOTECH SCSI command */
94#define	U3GINIT_WAIT		7	/* Device reappears after a delay */
95#define	U3GINIT_SAEL_M460	8	/* Requires vendor init */
96#define	U3GINIT_HUAWEISCSI	9	/* Requires Huawei SCSI init command */
97#define	U3GINIT_TCT		10	/* Requires TCT Mobile init command */
98
99enum {
100	U3G_BULK_WR,
101	U3G_BULK_RD,
102	U3G_N_TRANSFER,
103};
104
105struct u3g_softc {
106	struct ucom_super_softc sc_super_ucom;
107	struct ucom_softc sc_ucom[U3G_MAXPORTS];
108
109	struct usb_xfer *sc_xfer[U3G_MAXPORTS][U3G_N_TRANSFER];
110	struct usb_device *sc_udev;
111	struct mtx sc_mtx;
112
113	uint8_t	sc_lsr;			/* local status register */
114	uint8_t	sc_msr;			/* U3G status register */
115	uint8_t	sc_numports;
116};
117
118static device_probe_t u3g_probe;
119static device_attach_t u3g_attach;
120static device_detach_t u3g_detach;
121
122static usb_callback_t u3g_write_callback;
123static usb_callback_t u3g_read_callback;
124
125static void u3g_start_read(struct ucom_softc *ucom);
126static void u3g_stop_read(struct ucom_softc *ucom);
127static void u3g_start_write(struct ucom_softc *ucom);
128static void u3g_stop_write(struct ucom_softc *ucom);
129
130
131static void u3g_test_autoinst(void *, struct usb_device *,
132		struct usb_attach_arg *);
133static int u3g_driver_loaded(struct module *mod, int what, void *arg);
134
135static eventhandler_tag u3g_etag;
136
137static const struct usb_config u3g_config[U3G_N_TRANSFER] = {
138
139	[U3G_BULK_WR] = {
140		.type = UE_BULK,
141		.endpoint = UE_ADDR_ANY,
142		.direction = UE_DIR_OUT,
143		.bufsize = U3G_BSIZE,/* bytes */
144		.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
145		.callback = &u3g_write_callback,
146	},
147
148	[U3G_BULK_RD] = {
149		.type = UE_BULK,
150		.endpoint = UE_ADDR_ANY,
151		.direction = UE_DIR_IN,
152		.bufsize = U3G_BSIZE,/* bytes */
153		.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
154		.callback = &u3g_read_callback,
155	},
156};
157
158static const struct ucom_callback u3g_callback = {
159	.ucom_start_read = &u3g_start_read,
160	.ucom_stop_read = &u3g_stop_read,
161	.ucom_start_write = &u3g_start_write,
162	.ucom_stop_write = &u3g_stop_write,
163};
164
165static device_method_t u3g_methods[] = {
166	DEVMETHOD(device_probe, u3g_probe),
167	DEVMETHOD(device_attach, u3g_attach),
168	DEVMETHOD(device_detach, u3g_detach),
169	{0, 0}
170};
171
172static devclass_t u3g_devclass;
173
174static driver_t u3g_driver = {
175	.name = "u3g",
176	.methods = u3g_methods,
177	.size = sizeof(struct u3g_softc),
178};
179
180DRIVER_MODULE(u3g, uhub, u3g_driver, u3g_devclass, u3g_driver_loaded, 0);
181MODULE_DEPEND(u3g, ucom, 1, 1, 1);
182MODULE_DEPEND(u3g, usb, 1, 1, 1);
183MODULE_VERSION(u3g, 1);
184
185static const STRUCT_USB_HOST_ID u3g_devs[] = {
186#define	U3G_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) }
187	U3G_DEV(ACERP, H10, 0),
188	U3G_DEV(AIRPLUS, MCD650, 0),
189	U3G_DEV(AIRPRIME, PC5220, 0),
190	U3G_DEV(ALINK, 3G, 0),
191	U3G_DEV(ALINK, 3GU, 0),
192	U3G_DEV(ALINK, DWM652U5, 0),
193	U3G_DEV(AMOI, H01, 0),
194	U3G_DEV(AMOI, H01A, 0),
195	U3G_DEV(AMOI, H02, 0),
196	U3G_DEV(ANYDATA, ADU_500A, 0),
197	U3G_DEV(ANYDATA, ADU_620UW, 0),
198	U3G_DEV(ANYDATA, ADU_E100X, 0),
199	U3G_DEV(AXESSTEL, DATAMODEM, 0),
200	U3G_DEV(CMOTECH, CDMA_MODEM1, 0),
201	U3G_DEV(CMOTECH, CGU628, U3GINIT_CMOTECH),
202	U3G_DEV(DELL, U5500, 0),
203	U3G_DEV(DELL, U5505, 0),
204	U3G_DEV(DELL, U5510, 0),
205	U3G_DEV(DELL, U5520, 0),
206	U3G_DEV(DELL, U5520_2, 0),
207	U3G_DEV(DELL, U5520_3, 0),
208	U3G_DEV(DELL, U5700, 0),
209	U3G_DEV(DELL, U5700_2, 0),
210	U3G_DEV(DELL, U5700_3, 0),
211	U3G_DEV(DELL, U5700_4, 0),
212	U3G_DEV(DELL, U5720, 0),
213	U3G_DEV(DELL, U5720_2, 0),
214	U3G_DEV(DELL, U5730, 0),
215	U3G_DEV(DELL, U5730_2, 0),
216	U3G_DEV(DELL, U5730_3, 0),
217	U3G_DEV(DELL, U740, 0),
218	U3G_DEV(DLINK3, DWM652, 0),
219	U3G_DEV(HP, EV2200, 0),
220	U3G_DEV(HP, HS2300, 0),
221	U3G_DEV(HUAWEI, E1401, U3GINIT_HUAWEI),
222	U3G_DEV(HUAWEI, E1402, U3GINIT_HUAWEI),
223	U3G_DEV(HUAWEI, E1403, U3GINIT_HUAWEI),
224	U3G_DEV(HUAWEI, E1404, U3GINIT_HUAWEI),
225	U3G_DEV(HUAWEI, E1405, U3GINIT_HUAWEI),
226	U3G_DEV(HUAWEI, E1406, U3GINIT_HUAWEI),
227	U3G_DEV(HUAWEI, E1407, U3GINIT_HUAWEI),
228	U3G_DEV(HUAWEI, E1408, U3GINIT_HUAWEI),
229	U3G_DEV(HUAWEI, E1409, U3GINIT_HUAWEI),
230	U3G_DEV(HUAWEI, E140A, U3GINIT_HUAWEI),
231	U3G_DEV(HUAWEI, E140B, U3GINIT_HUAWEI),
232	U3G_DEV(HUAWEI, E140D, U3GINIT_HUAWEI),
233	U3G_DEV(HUAWEI, E140E, U3GINIT_HUAWEI),
234	U3G_DEV(HUAWEI, E140F, U3GINIT_HUAWEI),
235	U3G_DEV(HUAWEI, E1410, U3GINIT_HUAWEI),
236	U3G_DEV(HUAWEI, E1411, U3GINIT_HUAWEI),
237	U3G_DEV(HUAWEI, E1412, U3GINIT_HUAWEI),
238	U3G_DEV(HUAWEI, E1413, U3GINIT_HUAWEI),
239	U3G_DEV(HUAWEI, E1414, U3GINIT_HUAWEI),
240	U3G_DEV(HUAWEI, E1415, U3GINIT_HUAWEI),
241	U3G_DEV(HUAWEI, E1416, U3GINIT_HUAWEI),
242	U3G_DEV(HUAWEI, E1417, U3GINIT_HUAWEI),
243	U3G_DEV(HUAWEI, E1418, U3GINIT_HUAWEI),
244	U3G_DEV(HUAWEI, E1419, U3GINIT_HUAWEI),
245	U3G_DEV(HUAWEI, E141A, U3GINIT_HUAWEI),
246	U3G_DEV(HUAWEI, E141B, U3GINIT_HUAWEI),
247	U3G_DEV(HUAWEI, E141C, U3GINIT_HUAWEI),
248	U3G_DEV(HUAWEI, E141D, U3GINIT_HUAWEI),
249	U3G_DEV(HUAWEI, E141E, U3GINIT_HUAWEI),
250	U3G_DEV(HUAWEI, E141F, U3GINIT_HUAWEI),
251	U3G_DEV(HUAWEI, E1420, U3GINIT_HUAWEI),
252	U3G_DEV(HUAWEI, E1421, U3GINIT_HUAWEI),
253	U3G_DEV(HUAWEI, E1422, U3GINIT_HUAWEI),
254	U3G_DEV(HUAWEI, E1423, U3GINIT_HUAWEI),
255	U3G_DEV(HUAWEI, E1424, U3GINIT_HUAWEI),
256	U3G_DEV(HUAWEI, E1425, U3GINIT_HUAWEI),
257	U3G_DEV(HUAWEI, E1426, U3GINIT_HUAWEI),
258	U3G_DEV(HUAWEI, E1427, U3GINIT_HUAWEI),
259	U3G_DEV(HUAWEI, E1428, U3GINIT_HUAWEI),
260	U3G_DEV(HUAWEI, E1429, U3GINIT_HUAWEI),
261	U3G_DEV(HUAWEI, E142A, U3GINIT_HUAWEI),
262	U3G_DEV(HUAWEI, E142B, U3GINIT_HUAWEI),
263	U3G_DEV(HUAWEI, E142C, U3GINIT_HUAWEI),
264	U3G_DEV(HUAWEI, E142D, U3GINIT_HUAWEI),
265	U3G_DEV(HUAWEI, E142E, U3GINIT_HUAWEI),
266	U3G_DEV(HUAWEI, E142F, U3GINIT_HUAWEI),
267	U3G_DEV(HUAWEI, E1430, U3GINIT_HUAWEI),
268	U3G_DEV(HUAWEI, E1431, U3GINIT_HUAWEI),
269	U3G_DEV(HUAWEI, E1432, U3GINIT_HUAWEI),
270	U3G_DEV(HUAWEI, E1433, U3GINIT_HUAWEI),
271	U3G_DEV(HUAWEI, E1434, U3GINIT_HUAWEI),
272	U3G_DEV(HUAWEI, E1435, U3GINIT_HUAWEI),
273	U3G_DEV(HUAWEI, E1436, U3GINIT_HUAWEI),
274	U3G_DEV(HUAWEI, E1437, U3GINIT_HUAWEI),
275	U3G_DEV(HUAWEI, E1438, U3GINIT_HUAWEI),
276	U3G_DEV(HUAWEI, E1439, U3GINIT_HUAWEI),
277	U3G_DEV(HUAWEI, E143A, U3GINIT_HUAWEI),
278	U3G_DEV(HUAWEI, E143B, U3GINIT_HUAWEI),
279	U3G_DEV(HUAWEI, E143C, U3GINIT_HUAWEI),
280	U3G_DEV(HUAWEI, E143D, U3GINIT_HUAWEI),
281	U3G_DEV(HUAWEI, E143E, U3GINIT_HUAWEI),
282	U3G_DEV(HUAWEI, E143F, U3GINIT_HUAWEI),
283	U3G_DEV(HUAWEI, E173, 0),
284	U3G_DEV(HUAWEI, E173_INIT, U3GINIT_HUAWEISCSI),
285	U3G_DEV(HUAWEI, E3131, 0),
286	U3G_DEV(HUAWEI, E3131_INIT, U3GINIT_HUAWEISCSI),
287	U3G_DEV(HUAWEI, E180V, U3GINIT_HUAWEI),
288	U3G_DEV(HUAWEI, E220, U3GINIT_HUAWEI),
289	U3G_DEV(HUAWEI, E220BIS, U3GINIT_HUAWEI),
290	U3G_DEV(HUAWEI, MOBILE, U3GINIT_HUAWEI),
291	U3G_DEV(HUAWEI, E1752, U3GINIT_HUAWEISCSI),
292	U3G_DEV(HUAWEI, E1820, U3GINIT_HUAWEISCSI),
293	U3G_DEV(HUAWEI, K3765, U3GINIT_HUAWEI),
294	U3G_DEV(HUAWEI, K3765_INIT, U3GINIT_HUAWEISCSI),
295	U3G_DEV(HUAWEI, ETS2055, U3GINIT_HUAWEI),
296	U3G_DEV(KYOCERA2, CDMA_MSM_K, 0),
297	U3G_DEV(KYOCERA2, KPC680, 0),
298	U3G_DEV(LONGCHEER, WM66, U3GINIT_HUAWEI),
299	U3G_DEV(LONGCHEER, DISK, U3GINIT_TCT),
300	U3G_DEV(LONGCHEER, W14, 0),
301	U3G_DEV(LONGCHEER, XSSTICK, 0),
302	U3G_DEV(MERLIN, V620, 0),
303	U3G_DEV(NEOTEL, PRIME, 0),
304	U3G_DEV(NOVATEL, E725, 0),
305	U3G_DEV(NOVATEL, ES620, 0),
306	U3G_DEV(NOVATEL, ES620_2, 0),
307	U3G_DEV(NOVATEL, EU730, 0),
308	U3G_DEV(NOVATEL, EU740, 0),
309	U3G_DEV(NOVATEL, EU870D, 0),
310	U3G_DEV(NOVATEL, MC760, 0),
311	U3G_DEV(NOVATEL, MC547, 0),
312	U3G_DEV(NOVATEL, MC950D, 0),
313	U3G_DEV(NOVATEL, U720, 0),
314	U3G_DEV(NOVATEL, U727, 0),
315	U3G_DEV(NOVATEL, U727_2, 0),
316	U3G_DEV(NOVATEL, U740, 0),
317	U3G_DEV(NOVATEL, U740_2, 0),
318	U3G_DEV(NOVATEL, U760, U3GINIT_SCSIEJECT),
319	U3G_DEV(NOVATEL, U870, 0),
320	U3G_DEV(NOVATEL, V620, 0),
321	U3G_DEV(NOVATEL, V640, 0),
322	U3G_DEV(NOVATEL, V720, 0),
323	U3G_DEV(NOVATEL, V740, 0),
324	U3G_DEV(NOVATEL, X950D, 0),
325	U3G_DEV(NOVATEL, XU870, 0),
326	U3G_DEV(OPTION, E6500, 0),
327	U3G_DEV(OPTION, E6501, 0),
328	U3G_DEV(OPTION, E6601, 0),
329	U3G_DEV(OPTION, E6721, 0),
330	U3G_DEV(OPTION, E6741, 0),
331	U3G_DEV(OPTION, E6761, 0),
332	U3G_DEV(OPTION, E6800, 0),
333	U3G_DEV(OPTION, E7021, 0),
334	U3G_DEV(OPTION, E7041, 0),
335	U3G_DEV(OPTION, E7061, 0),
336	U3G_DEV(OPTION, E7100, 0),
337	U3G_DEV(OPTION, GE40X, 0),
338	U3G_DEV(OPTION, GT3G, 0),
339	U3G_DEV(OPTION, GT3GPLUS, 0),
340	U3G_DEV(OPTION, GT3GQUAD, 0),
341	U3G_DEV(OPTION, GT3G_1, 0),
342	U3G_DEV(OPTION, GT3G_2, 0),
343	U3G_DEV(OPTION, GT3G_3, 0),
344	U3G_DEV(OPTION, GT3G_4, 0),
345	U3G_DEV(OPTION, GT3G_5, 0),
346	U3G_DEV(OPTION, GT3G_6, 0),
347	U3G_DEV(OPTION, GTHSDPA, 0),
348	U3G_DEV(OPTION, GTM380, 0),
349	U3G_DEV(OPTION, GTMAX36, 0),
350	U3G_DEV(OPTION, GTMAX380HSUPAE, 0),
351	U3G_DEV(OPTION, GTMAXHSUPA, 0),
352	U3G_DEV(OPTION, GTMAXHSUPAE, 0),
353	U3G_DEV(OPTION, VODAFONEMC3G, 0),
354	U3G_DEV(QISDA, H20_1, 0),
355	U3G_DEV(QISDA, H20_2, 0),
356	U3G_DEV(QISDA, H21_1, 0),
357	U3G_DEV(QISDA, H21_2, 0),
358	U3G_DEV(QUALCOMM2, AC8700, 0),
359	U3G_DEV(QUALCOMM2, MF330, 0),
360	U3G_DEV(QUALCOMM2, SIM5218, 0),
361	U3G_DEV(QUALCOMM2, VW110L, U3GINIT_SCSIEJECT),
362	U3G_DEV(QUALCOMM2, GOBI2000_QDL, 0),
363	U3G_DEV(QUALCOMM2, GOBI2000, 0),
364	U3G_DEV(QUALCOMMINC, AC2726, 0),
365	U3G_DEV(QUALCOMMINC, AC8700, 0),
366	U3G_DEV(QUALCOMMINC, AC8710, 0),
367	U3G_DEV(QUALCOMMINC, CDMA_MSM, U3GINIT_SCSIEJECT),
368	U3G_DEV(QUALCOMMINC, E0002, 0),
369	U3G_DEV(QUALCOMMINC, E0003, 0),
370	U3G_DEV(QUALCOMMINC, E0004, 0),
371	U3G_DEV(QUALCOMMINC, E0005, 0),
372	U3G_DEV(QUALCOMMINC, E0006, 0),
373	U3G_DEV(QUALCOMMINC, E0007, 0),
374	U3G_DEV(QUALCOMMINC, E0008, 0),
375	U3G_DEV(QUALCOMMINC, E0009, 0),
376	U3G_DEV(QUALCOMMINC, E000A, 0),
377	U3G_DEV(QUALCOMMINC, E000B, 0),
378	U3G_DEV(QUALCOMMINC, E000C, 0),
379	U3G_DEV(QUALCOMMINC, E000D, 0),
380	U3G_DEV(QUALCOMMINC, E000E, 0),
381	U3G_DEV(QUALCOMMINC, E000F, 0),
382	U3G_DEV(QUALCOMMINC, E0010, 0),
383	U3G_DEV(QUALCOMMINC, E0011, 0),
384	U3G_DEV(QUALCOMMINC, E0012, 0),
385	U3G_DEV(QUALCOMMINC, E0013, 0),
386	U3G_DEV(QUALCOMMINC, E0014, 0),
387	U3G_DEV(QUALCOMMINC, E0017, 0),
388	U3G_DEV(QUALCOMMINC, E0018, 0),
389	U3G_DEV(QUALCOMMINC, E0019, 0),
390	U3G_DEV(QUALCOMMINC, E0020, 0),
391	U3G_DEV(QUALCOMMINC, E0021, 0),
392	U3G_DEV(QUALCOMMINC, E0022, 0),
393	U3G_DEV(QUALCOMMINC, E0023, 0),
394	U3G_DEV(QUALCOMMINC, E0024, 0),
395	U3G_DEV(QUALCOMMINC, E0025, 0),
396	U3G_DEV(QUALCOMMINC, E0026, 0),
397	U3G_DEV(QUALCOMMINC, E0027, 0),
398	U3G_DEV(QUALCOMMINC, E0028, 0),
399	U3G_DEV(QUALCOMMINC, E0029, 0),
400	U3G_DEV(QUALCOMMINC, E0030, 0),
401	U3G_DEV(QUALCOMMINC, E0032, 0),
402	U3G_DEV(QUALCOMMINC, E0033, 0),
403	U3G_DEV(QUALCOMMINC, E0037, 0),
404	U3G_DEV(QUALCOMMINC, E0039, 0),
405	U3G_DEV(QUALCOMMINC, E0042, 0),
406	U3G_DEV(QUALCOMMINC, E0043, 0),
407	U3G_DEV(QUALCOMMINC, E0048, 0),
408	U3G_DEV(QUALCOMMINC, E0049, 0),
409	U3G_DEV(QUALCOMMINC, E0051, 0),
410	U3G_DEV(QUALCOMMINC, E0052, 0),
411	U3G_DEV(QUALCOMMINC, E0054, 0),
412	U3G_DEV(QUALCOMMINC, E0055, 0),
413	U3G_DEV(QUALCOMMINC, E0057, 0),
414	U3G_DEV(QUALCOMMINC, E0058, 0),
415	U3G_DEV(QUALCOMMINC, E0059, 0),
416	U3G_DEV(QUALCOMMINC, E0060, 0),
417	U3G_DEV(QUALCOMMINC, E0061, 0),
418	U3G_DEV(QUALCOMMINC, E0062, 0),
419	U3G_DEV(QUALCOMMINC, E0063, 0),
420	U3G_DEV(QUALCOMMINC, E0064, 0),
421	U3G_DEV(QUALCOMMINC, E0066, 0),
422	U3G_DEV(QUALCOMMINC, E0069, 0),
423	U3G_DEV(QUALCOMMINC, E0070, 0),
424	U3G_DEV(QUALCOMMINC, E0073, 0),
425	U3G_DEV(QUALCOMMINC, E0076, 0),
426	U3G_DEV(QUALCOMMINC, E0078, 0),
427	U3G_DEV(QUALCOMMINC, E0082, 0),
428	U3G_DEV(QUALCOMMINC, E0086, 0),
429	U3G_DEV(QUALCOMMINC, SURFSTICK, 0),
430	U3G_DEV(QUALCOMMINC, E2002, 0),
431	U3G_DEV(QUALCOMMINC, E2003, 0),
432	U3G_DEV(QUALCOMMINC, K3772_Z, U3GINIT_SCSIEJECT),
433	U3G_DEV(QUALCOMMINC, MF626, 0),
434	U3G_DEV(QUALCOMMINC, MF628, 0),
435	U3G_DEV(QUALCOMMINC, MF633R, 0),
436	U3G_DEV(QUANTA, GKE, 0),
437	U3G_DEV(QUANTA, GLE, 0),
438	U3G_DEV(QUANTA, GLX, 0),
439	U3G_DEV(QUANTA, Q101, 0),
440	U3G_DEV(QUANTA, Q111, 0),
441	U3G_DEV(SIERRA, AC402, 0),
442	U3G_DEV(SIERRA, AC595U, 0),
443	U3G_DEV(SIERRA, AC313U, 0),
444	U3G_DEV(SIERRA, AC597E, 0),
445	U3G_DEV(SIERRA, AC875E, 0),
446	U3G_DEV(SIERRA, AC875U, 0),
447	U3G_DEV(SIERRA, AC875U_2, 0),
448	U3G_DEV(SIERRA, AC880, 0),
449	U3G_DEV(SIERRA, AC880E, 0),
450	U3G_DEV(SIERRA, AC880U, 0),
451	U3G_DEV(SIERRA, AC881, 0),
452	U3G_DEV(SIERRA, AC881E, 0),
453	U3G_DEV(SIERRA, AC881U, 0),
454	U3G_DEV(SIERRA, AC885E, 0),
455	U3G_DEV(SIERRA, AC885E_2, 0),
456	U3G_DEV(SIERRA, AC885U, 0),
457	U3G_DEV(SIERRA, AIRCARD580, 0),
458	U3G_DEV(SIERRA, AIRCARD595, 0),
459	U3G_DEV(SIERRA, AIRCARD875, 0),
460	U3G_DEV(SIERRA, C22, 0),
461	U3G_DEV(SIERRA, C597, 0),
462	U3G_DEV(SIERRA, C888, 0),
463	U3G_DEV(SIERRA, E0029, 0),
464	U3G_DEV(SIERRA, E6892, 0),
465	U3G_DEV(SIERRA, E6893, 0),
466	U3G_DEV(SIERRA, EM5625, 0),
467	U3G_DEV(SIERRA, EM5725, 0),
468	U3G_DEV(SIERRA, MC5720, 0),
469	U3G_DEV(SIERRA, MC5720_2, 0),
470	U3G_DEV(SIERRA, MC5725, 0),
471	U3G_DEV(SIERRA, MC5727, 0),
472	U3G_DEV(SIERRA, MC5727_2, 0),
473	U3G_DEV(SIERRA, MC5728, 0),
474	U3G_DEV(SIERRA, MC8700, 0),
475	U3G_DEV(SIERRA, MC8755, 0),
476	U3G_DEV(SIERRA, MC8755_2, 0),
477	U3G_DEV(SIERRA, MC8755_3, 0),
478	U3G_DEV(SIERRA, MC8755_4, 0),
479	U3G_DEV(SIERRA, MC8765, 0),
480	U3G_DEV(SIERRA, MC8765_2, 0),
481	U3G_DEV(SIERRA, MC8765_3, 0),
482	U3G_DEV(SIERRA, MC8775, 0),
483	U3G_DEV(SIERRA, MC8775_2, 0),
484	U3G_DEV(SIERRA, MC8780, 0),
485	U3G_DEV(SIERRA, MC8780_2, 0),
486	U3G_DEV(SIERRA, MC8780_3, 0),
487	U3G_DEV(SIERRA, MC8781, 0),
488	U3G_DEV(SIERRA, MC8781_2, 0),
489	U3G_DEV(SIERRA, MC8781_3, 0),
490	U3G_DEV(SIERRA, MC8785, 0),
491	U3G_DEV(SIERRA, MC8785_2, 0),
492	U3G_DEV(SIERRA, MC8790, 0),
493	U3G_DEV(SIERRA, MC8791, 0),
494	U3G_DEV(SIERRA, MC8792, 0),
495	U3G_DEV(SIERRA, MINI5725, 0),
496	U3G_DEV(SIERRA, T11, 0),
497	U3G_DEV(SIERRA, T598, 0),
498	U3G_DEV(SILABS, SAEL, U3GINIT_SAEL_M460),
499	U3G_DEV(STELERA, C105, 0),
500	U3G_DEV(STELERA, E1003, 0),
501	U3G_DEV(STELERA, E1004, 0),
502	U3G_DEV(STELERA, E1005, 0),
503	U3G_DEV(STELERA, E1006, 0),
504	U3G_DEV(STELERA, E1007, 0),
505	U3G_DEV(STELERA, E1008, 0),
506	U3G_DEV(STELERA, E1009, 0),
507	U3G_DEV(STELERA, E100A, 0),
508	U3G_DEV(STELERA, E100B, 0),
509	U3G_DEV(STELERA, E100C, 0),
510	U3G_DEV(STELERA, E100D, 0),
511	U3G_DEV(STELERA, E100E, 0),
512	U3G_DEV(STELERA, E100F, 0),
513	U3G_DEV(STELERA, E1010, 0),
514	U3G_DEV(STELERA, E1011, 0),
515	U3G_DEV(STELERA, E1012, 0),
516	U3G_DEV(TCTMOBILE, X060S, 0),
517	U3G_DEV(TCTMOBILE, X080S, U3GINIT_TCT),
518	U3G_DEV(TELIT, UC864E, 0),
519	U3G_DEV(TELIT, UC864G, 0),
520	U3G_DEV(TLAYTECH, TEU800, 0),
521	U3G_DEV(TOSHIBA, G450, 0),
522	U3G_DEV(TOSHIBA, HSDPA, 0),
523	U3G_DEV(YISO, C893, 0),
524	/* Autoinstallers */
525	U3G_DEV(NOVATEL, ZEROCD, U3GINIT_SCSIEJECT),
526	U3G_DEV(OPTION, GTICON322, U3GINIT_REZERO),
527	U3G_DEV(QUALCOMMINC, ZTE_STOR, U3GINIT_ZTESTOR),
528	U3G_DEV(QUALCOMMINC, ZTE_STOR2, U3GINIT_SCSIEJECT),
529	U3G_DEV(QUANTA, Q101_STOR, U3GINIT_SCSIEJECT),
530	U3G_DEV(SIERRA, TRUINSTALL, U3GINIT_SIERRA),
531#undef	U3G_DEV
532};
533
534static int
535u3g_sierra_init(struct usb_device *udev)
536{
537	struct usb_device_request req;
538
539	req.bmRequestType = UT_VENDOR;
540	req.bRequest = UR_SET_INTERFACE;
541	USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
542	USETW(req.wIndex, UHF_PORT_CONNECTION);
543	USETW(req.wLength, 0);
544
545	if (usbd_do_request_flags(udev, NULL, &req,
546	    NULL, 0, NULL, USB_MS_HZ)) {
547		/* ignore any errors */
548	}
549	return (0);
550}
551
552static int
553u3g_huawei_init(struct usb_device *udev)
554{
555	struct usb_device_request req;
556
557	req.bmRequestType = UT_WRITE_DEVICE;
558	req.bRequest = UR_SET_FEATURE;
559	USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
560	USETW(req.wIndex, UHF_PORT_SUSPEND);
561	USETW(req.wLength, 0);
562
563	if (usbd_do_request_flags(udev, NULL, &req,
564	    NULL, 0, NULL, USB_MS_HZ)) {
565		/* ignore any errors */
566	}
567	return (0);
568}
569
570static void
571u3g_sael_m460_init(struct usb_device *udev)
572{
573	static const uint8_t setup[][24] = {
574	     { 0x41, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
575	     { 0x41, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 },
576	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
577	       0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
578	       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
579	     { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02 },
580	     { 0xc1, 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00 },
581	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
582	     { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
583	     { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
584	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
585	     { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
586	     { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
587	       0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
588	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
589	       0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
590	       0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
591	     { 0x41, 0x12, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 },
592	     { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
593	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
594	     { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
595	     { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
596	       0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
597	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
598	       0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
599	       0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
600	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
601	};
602
603	struct usb_device_request req;
604	usb_error_t err;
605	uint16_t len;
606	uint8_t buf[0x300];
607	uint8_t n;
608
609	DPRINTFN(1, "\n");
610
611	if (usbd_req_set_alt_interface_no(udev, NULL, 0, 0)) {
612		DPRINTFN(0, "Alt setting 0 failed\n");
613		return;
614	}
615
616	for (n = 0; n != (sizeof(setup)/sizeof(setup[0])); n++) {
617
618		memcpy(&req, setup[n], sizeof(req));
619
620		len = UGETW(req.wLength);
621		if (req.bmRequestType & UE_DIR_IN) {
622			if (len > sizeof(buf)) {
623				DPRINTFN(0, "too small buffer\n");
624				continue;
625			}
626			err = usbd_do_request(udev, NULL, &req, buf);
627		} else {
628			if (len > (sizeof(setup[0]) - 8)) {
629				DPRINTFN(0, "too small buffer\n");
630				continue;
631			}
632			err = usbd_do_request(udev, NULL, &req,
633			    __DECONST(uint8_t *, &setup[n][8]));
634		}
635		if (err) {
636			DPRINTFN(1, "request %u failed\n",
637			    (unsigned int)n);
638			/*
639			 * Some of the requests will fail. Stop doing
640			 * requests when we are getting timeouts so
641			 * that we don't block the explore/attach
642			 * thread forever.
643			 */
644			if (err == USB_ERR_TIMEOUT)
645				break;
646		}
647	}
648}
649
650/*
651 * The following function handles 3G modem devices (E220, Mobile,
652 * etc.) with auto-install flash disks for Windows/MacOSX on the first
653 * interface.  After some command or some delay they change appearance
654 * to a modem.
655 */
656static void
657u3g_test_autoinst(void *arg, struct usb_device *udev,
658    struct usb_attach_arg *uaa)
659{
660	struct usb_interface *iface;
661	struct usb_interface_descriptor *id;
662	int error;
663	unsigned long method;
664
665	if (uaa->dev_state != UAA_DEV_READY)
666		return;
667
668	iface = usbd_get_iface(udev, 0);
669	if (iface == NULL)
670		return;
671	id = iface->idesc;
672	if (id == NULL || id->bInterfaceClass != UICLASS_MASS)
673		return;
674
675	if (usb_test_quirk(uaa, UQ_MSC_EJECT_HUAWEI))
676		method = U3GINIT_HUAWEI;
677	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_SIERRA))
678		method = U3GINIT_SIERRA;
679	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_SCSIEJECT))
680		method = U3GINIT_SCSIEJECT;
681	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_REZERO))
682		method = U3GINIT_REZERO;
683	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_ZTESTOR))
684		method = U3GINIT_ZTESTOR;
685	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_CMOTECH))
686		method = U3GINIT_CMOTECH;
687	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_WAIT))
688		method = U3GINIT_WAIT;
689	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_HUAWEISCSI))
690		method = U3GINIT_HUAWEISCSI;
691	else if (usb_test_quirk(uaa, UQ_MSC_EJECT_TCT))
692		method = U3GINIT_TCT;
693	else if (usbd_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa) == 0)
694		method = USB_GET_DRIVER_INFO(uaa);
695	else
696		return;		/* no device match */
697
698	if (bootverbose) {
699		printf("Ejecting %s %s using method %ld\n",
700		       usb_get_manufacturer(udev),
701		       usb_get_product(udev), method);
702	}
703
704	switch (method) {
705		case U3GINIT_HUAWEI:
706			error = u3g_huawei_init(udev);
707			break;
708		case U3GINIT_HUAWEISCSI:
709			error = usb_msc_eject(udev, 0, MSC_EJECT_HUAWEI);
710			break;
711		case U3GINIT_SCSIEJECT:
712			error = usb_msc_eject(udev, 0, MSC_EJECT_STOPUNIT);
713			break;
714		case U3GINIT_REZERO:
715			error = usb_msc_eject(udev, 0, MSC_EJECT_REZERO);
716			break;
717		case U3GINIT_ZTESTOR:
718			error = usb_msc_eject(udev, 0, MSC_EJECT_STOPUNIT);
719			error |= usb_msc_eject(udev, 0, MSC_EJECT_ZTESTOR);
720			break;
721		case U3GINIT_CMOTECH:
722			error = usb_msc_eject(udev, 0, MSC_EJECT_CMOTECH);
723			break;
724		case U3GINIT_TCT:
725			error = usb_msc_eject(udev, 0, MSC_EJECT_TCT);
726			break;
727		case U3GINIT_SIERRA:
728			error = u3g_sierra_init(udev);
729			break;
730		case U3GINIT_WAIT:
731			/* Just pretend we ejected, the card will timeout */
732			error = 0;
733			break;
734		default:
735			/* no 3G eject quirks */
736			error = EOPNOTSUPP;
737			break;
738	}
739	if (error == 0) {
740		/* success, mark the udev as disappearing */
741		uaa->dev_state = UAA_DEV_EJECTING;
742	}
743}
744
745static int
746u3g_driver_loaded(struct module *mod, int what, void *arg)
747{
748	switch (what) {
749	case MOD_LOAD:
750		/* register our autoinstall handler */
751		u3g_etag = EVENTHANDLER_REGISTER(usb_dev_configured,
752		    u3g_test_autoinst, NULL, EVENTHANDLER_PRI_ANY);
753		break;
754	case MOD_UNLOAD:
755		EVENTHANDLER_DEREGISTER(usb_dev_configured, u3g_etag);
756		break;
757	default:
758		return (EOPNOTSUPP);
759	}
760 	return (0);
761}
762
763static int
764u3g_probe(device_t self)
765{
766	struct usb_attach_arg *uaa = device_get_ivars(self);
767
768	if (uaa->usb_mode != USB_MODE_HOST) {
769		return (ENXIO);
770	}
771	if (uaa->info.bConfigIndex != U3G_CONFIG_INDEX) {
772		return (ENXIO);
773	}
774	if (uaa->info.bInterfaceClass != UICLASS_VENDOR) {
775		return (ENXIO);
776	}
777	return (usbd_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa));
778}
779
780static int
781u3g_attach(device_t dev)
782{
783	struct usb_config u3g_config_tmp[U3G_N_TRANSFER];
784	struct usb_attach_arg *uaa = device_get_ivars(dev);
785	struct u3g_softc *sc = device_get_softc(dev);
786	struct usb_interface *iface;
787	struct usb_interface_descriptor *id;
788	uint32_t iface_valid;
789	int error, type, nports;
790	int ep, n;
791	uint8_t i;
792
793	DPRINTF("sc=%p\n", sc);
794
795	type = USB_GET_DRIVER_INFO(uaa);
796	if (type == U3GINIT_SAEL_M460
797	    || usb_test_quirk(uaa, UQ_MSC_EJECT_SAEL_M460)) {
798		u3g_sael_m460_init(uaa->device);
799	}
800
801	/* copy in USB config */
802	for (n = 0; n != U3G_N_TRANSFER; n++)
803		u3g_config_tmp[n] = u3g_config[n];
804
805	device_set_usb_desc(dev);
806	mtx_init(&sc->sc_mtx, "u3g", NULL, MTX_DEF);
807
808	sc->sc_udev = uaa->device;
809
810	/* Claim all interfaces on the device */
811	iface_valid = 0;
812	for (i = uaa->info.bIfaceIndex; i < USB_IFACE_MAX; i++) {
813		iface = usbd_get_iface(uaa->device, i);
814		if (iface == NULL)
815			break;
816		id = usbd_get_interface_descriptor(iface);
817		if (id == NULL || id->bInterfaceClass != UICLASS_VENDOR)
818			continue;
819		usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
820		iface_valid |= (1<<i);
821	}
822
823	i = 0;		/* interface index */
824	ep = 0;		/* endpoint index */
825	nports = 0;	/* number of ports */
826	while (i < USB_IFACE_MAX) {
827		if ((iface_valid & (1<<i)) == 0) {
828			i++;
829			continue;
830		}
831
832		/* update BULK endpoint index */
833		for (n = 0; n < U3G_N_TRANSFER; n++)
834			u3g_config_tmp[n].ep_index = ep;
835
836		/* try to allocate a set of BULK endpoints */
837		error = usbd_transfer_setup(uaa->device, &i,
838		    sc->sc_xfer[nports], u3g_config_tmp, U3G_N_TRANSFER,
839		    &sc->sc_ucom[nports], &sc->sc_mtx);
840		if (error) {
841			/* next interface */
842			i++;
843			ep = 0;
844			continue;
845		}
846
847		/* set stall by default */
848		mtx_lock(&sc->sc_mtx);
849		usbd_xfer_set_stall(sc->sc_xfer[nports][U3G_BULK_WR]);
850		usbd_xfer_set_stall(sc->sc_xfer[nports][U3G_BULK_RD]);
851		mtx_unlock(&sc->sc_mtx);
852
853		nports++;	/* found one port */
854		ep++;
855		if (nports == U3G_MAXPORTS)
856			break;
857	}
858	if (nports == 0) {
859		device_printf(dev, "no ports found\n");
860		goto detach;
861	}
862	sc->sc_numports = nports;
863
864	error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom,
865	    sc->sc_numports, sc, &u3g_callback, &sc->sc_mtx);
866	if (error) {
867		DPRINTF("ucom_attach failed\n");
868		goto detach;
869	}
870	ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
871	device_printf(dev, "Found %u port%s.\n", sc->sc_numports,
872	    sc->sc_numports > 1 ? "s":"");
873
874	return (0);
875
876detach:
877	u3g_detach(dev);
878	return (ENXIO);
879}
880
881static int
882u3g_detach(device_t dev)
883{
884	struct u3g_softc *sc = device_get_softc(dev);
885	uint8_t subunit;
886
887	DPRINTF("sc=%p\n", sc);
888
889	/* NOTE: It is not dangerous to detach more ports than attached! */
890	ucom_detach(&sc->sc_super_ucom, sc->sc_ucom);
891
892	for (subunit = 0; subunit != U3G_MAXPORTS; subunit++)
893		usbd_transfer_unsetup(sc->sc_xfer[subunit], U3G_N_TRANSFER);
894	mtx_destroy(&sc->sc_mtx);
895
896	return (0);
897}
898
899static void
900u3g_start_read(struct ucom_softc *ucom)
901{
902	struct u3g_softc *sc = ucom->sc_parent;
903
904	/* start read endpoint */
905	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]);
906	return;
907}
908
909static void
910u3g_stop_read(struct ucom_softc *ucom)
911{
912	struct u3g_softc *sc = ucom->sc_parent;
913
914	/* stop read endpoint */
915	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]);
916	return;
917}
918
919static void
920u3g_start_write(struct ucom_softc *ucom)
921{
922	struct u3g_softc *sc = ucom->sc_parent;
923
924	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]);
925	return;
926}
927
928static void
929u3g_stop_write(struct ucom_softc *ucom)
930{
931	struct u3g_softc *sc = ucom->sc_parent;
932
933	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]);
934	return;
935}
936
937static void
938u3g_write_callback(struct usb_xfer *xfer, usb_error_t error)
939{
940	struct ucom_softc *ucom = usbd_xfer_softc(xfer);
941	struct usb_page_cache *pc;
942	uint32_t actlen;
943
944	switch (USB_GET_STATE(xfer)) {
945	case USB_ST_TRANSFERRED:
946	case USB_ST_SETUP:
947tr_setup:
948		pc = usbd_xfer_get_frame(xfer, 0);
949		if (ucom_get_data(ucom, pc, 0, U3G_BSIZE, &actlen)) {
950			usbd_xfer_set_frame_len(xfer, 0, actlen);
951			usbd_transfer_submit(xfer);
952		}
953		break;
954
955	default:			/* Error */
956		if (error != USB_ERR_CANCELLED) {
957			/* do a builtin clear-stall */
958			usbd_xfer_set_stall(xfer);
959			goto tr_setup;
960		}
961		break;
962	}
963	return;
964}
965
966static void
967u3g_read_callback(struct usb_xfer *xfer, usb_error_t error)
968{
969	struct ucom_softc *ucom = usbd_xfer_softc(xfer);
970	struct usb_page_cache *pc;
971	int actlen;
972
973	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
974
975	switch (USB_GET_STATE(xfer)) {
976	case USB_ST_TRANSFERRED:
977		pc = usbd_xfer_get_frame(xfer, 0);
978		ucom_put_data(ucom, pc, 0, actlen);
979
980	case USB_ST_SETUP:
981tr_setup:
982		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
983		usbd_transfer_submit(xfer);
984		break;
985
986	default:			/* Error */
987		if (error != USB_ERR_CANCELLED) {
988			/* do a builtin clear-stall */
989			usbd_xfer_set_stall(xfer);
990			goto tr_setup;
991		}
992		break;
993	}
994	return;
995}
996