xref: /third_party/FreeBSD/sys/dev/usb/serial/u3g.c (revision f9f848fa)
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
20/*
21 * NOTE:
22 *
23 * - The detour through the tty layer is ridiculously expensive wrt
24 *   buffering due to the high speeds.
25 *
26 *   We should consider adding a simple r/w device which allows
27 *   attaching of PPP in a more efficient way.
28 *
29 */
30
31#include <los_queue.h>
32
33#include "implementation/global_implementation.h"
34#include "implementation/usbdevs.h"
35#include "usb_serial.h"
36
37#undef USB_DEBUG_VAR
38#define	USB_DEBUG_VAR   u3g_debug
39#ifdef LOSCFG_USB_DEBUG
40static int u3g_debug = 0;
41void
42u3g_debug_func(int level)
43{
44	u3g_debug = level;
45	PRINTK("The level of u3g debug is %d\n", level);
46}
47DEBUG_MODULE(u3g, u3g_debug_func);
48#endif
49
50#define	U3G_MAXPORTS		12
51#define	U3G_CONFIG_INDEX	1
52#define	U3G_BSIZE		2048
53#define	U3G_TXSIZE		(U3G_BSIZE / U3G_TXFRAMES)
54#define	U3G_TXFRAMES		4
55
56#define	U3GSP_GPRS		0
57#define	U3GSP_EDGE		1
58#define	U3GSP_CDMA		2
59#define	U3GSP_UMTS		3
60#define	U3GSP_HSDPA		4
61#define	U3GSP_HSUPA		5
62#define	U3GSP_HSPA		6
63#define	U3GSP_MAX		7
64
65/* Eject methods; See also usb_quirks.h:UQ_MSC_EJECT_* */
66#define	U3GINIT_HUAWEI		1	/* Requires Huawei init command */
67#define	U3GINIT_SIERRA		2	/* Requires Sierra init command */
68#define	U3GINIT_SCSIEJECT	3	/* Requires SCSI eject command */
69#define	U3GINIT_REZERO		4	/* Requires SCSI rezero command */
70#define	U3GINIT_ZTESTOR		5	/* Requires ZTE SCSI command */
71#define	U3GINIT_CMOTECH		6	/* Requires CMOTECH SCSI command */
72#define	U3GINIT_WAIT		7	/* Device reappears after a delay */
73#define	U3GINIT_SAEL_M460	8	/* Requires vendor init */
74#define	U3GINIT_HUAWEISCSI	9	/* Requires Huawei SCSI init command */
75#define	 U3GINIT_HUAWEISCSI2 10
76#define	 U3GINIT_HUAWEISCSI3 11
77#define	U3GINIT_TCT		12		/* Requires TCT Mobile init command */
78
79enum {
80	U3G_BULK_WR,
81	U3G_BULK_RD,
82	U3G_INTR,
83	U3G_N_TRANSFER,
84};
85
86struct u3g_softc {
87	struct ucom_super_softc sc_super_ucom;
88	struct ucom_softc sc_ucom[U3G_MAXPORTS];
89
90	struct usb_xfer *sc_xfer[U3G_MAXPORTS][U3G_N_TRANSFER];
91	uint8_t sc_iface[U3G_MAXPORTS];			/* local status register */
92	uint8_t sc_lsr[U3G_MAXPORTS];			/* local status register */
93	uint8_t sc_msr[U3G_MAXPORTS];			/* u3g status register */
94	uint16_t sc_line[U3G_MAXPORTS];			/* line status */
95
96	struct usb_device *sc_udev;
97	struct mtx sc_mtx;
98
99	uint8_t sc_numports;
100};
101
102static device_probe_t u3g_probe;
103static device_attach_t u3g_attach;
104static device_detach_t u3g_detach;
105static void u3g_free_softc(struct u3g_softc *);
106
107static usb_callback_t u3g_write_callback;
108static usb_callback_t u3g_read_callback;
109static usb_callback_t u3g_intr_callback;
110
111static void u3g_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *);
112static void u3g_cfg_set_dtr(struct ucom_softc *, uint8_t);
113static void u3g_cfg_set_rts(struct ucom_softc *, uint8_t);
114static void u3g_start_read(struct ucom_softc *ucom);
115static void u3g_stop_read(struct ucom_softc *ucom);
116static void u3g_start_write(struct ucom_softc *ucom);
117static void u3g_stop_write(struct ucom_softc *ucom);
118static void u3g_poll(struct ucom_softc *ucom);
119static void u3g_free(struct ucom_softc *ucom);
120
121static const struct usb_config u3g_config[U3G_N_TRANSFER] = {
122	[U3G_BULK_WR] = {
123		.type = UE_BULK,
124		.endpoint = UE_ADDR_ANY,
125		.direction = UE_DIR_OUT,
126		.bufsize = U3G_BSIZE,/* bytes */
127		.frames = U3G_TXFRAMES,
128		.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
129		.callback = &u3g_write_callback,
130	},
131
132	[U3G_BULK_RD] = {
133		.type = UE_BULK,
134		.endpoint = UE_ADDR_ANY,
135		.direction = UE_DIR_IN,
136		.bufsize = U3G_BSIZE,/* bytes */
137		.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
138		.callback = &u3g_read_callback,
139	},
140
141	[U3G_INTR] = {
142		.type = UE_INTERRUPT,
143		.endpoint = UE_ADDR_ANY,
144		.direction = UE_DIR_IN,
145		.flags = {.pipe_bof = 1,.short_xfer_ok = 1,.no_pipe_ok = 1,},
146		.bufsize = 0,	/* use wMaxPacketSize */
147		.callback = &u3g_intr_callback,
148	},
149};
150
151static const struct ucom_callback u3g_callback = {
152	.ucom_cfg_get_status = &u3g_cfg_get_status,
153	.ucom_cfg_set_dtr = &u3g_cfg_set_dtr,
154	.ucom_cfg_set_rts = &u3g_cfg_set_rts,
155	.ucom_start_read = &u3g_start_read,
156	.ucom_stop_read = &u3g_stop_read,
157	.ucom_start_write = &u3g_start_write,
158	.ucom_stop_write = &u3g_stop_write,
159	.ucom_poll = &u3g_poll,
160	.ucom_free = &u3g_free,
161};
162
163static device_method_t u3g_methods[] = {
164	DEVMETHOD(device_probe, u3g_probe),
165	DEVMETHOD(device_attach, u3g_attach),
166	DEVMETHOD(device_detach, u3g_detach),
167	DEVMETHOD_END
168};
169
170static devclass_t u3g_devclass;
171
172static driver_t u3g_driver = {
173	.name = "u3g",
174	.methods = u3g_methods,
175	.size = sizeof(struct u3g_softc),
176};
177
178DRIVER_MODULE(u3g, uhub, u3g_driver, u3g_devclass, 0, 0);
179
180static const STRUCT_USB_HOST_ID u3g_devs[] = {
181#define	U3G_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) }
182	U3G_DEV(ABIT, AK_020, 0),
183	U3G_DEV(ACERP, H10, 0),
184	U3G_DEV(AIRPLUS, MCD650, 0),
185	U3G_DEV(AIRPRIME, PC5220, 0),
186	U3G_DEV(AIRPRIME, AC313U, 0),
187	U3G_DEV(ALINK, 3G, 0),
188	U3G_DEV(ALINK, 3GU, 0),
189	U3G_DEV(ALINK, DWM652U5, 0),
190	U3G_DEV(ALINK, SIM7600E, 0),
191	U3G_DEV(AMOI, H01, 0),
192	U3G_DEV(AMOI, H01A, 0),
193	U3G_DEV(AMOI, H02, 0),
194	U3G_DEV(ANYDATA, ADU_500A, 0),
195	U3G_DEV(ANYDATA, ADU_620UW, 0),
196	U3G_DEV(ANYDATA, ADU_E100X, 0),
197	U3G_DEV(AXESSTEL, DATAMODEM, 0),
198	U3G_DEV(CMOTECH, CDMA_MODEM1, 0),
199	U3G_DEV(CMOTECH, CGU628, U3GINIT_CMOTECH),
200	U3G_DEV(DELL, U5500, 0),
201	U3G_DEV(DELL, U5505, 0),
202	U3G_DEV(DELL, U5510, 0),
203	U3G_DEV(DELL, U5520, 0),
204	U3G_DEV(DELL, U5520_2, 0),
205	U3G_DEV(DELL, U5520_3, 0),
206	U3G_DEV(DELL, U5700, 0),
207	U3G_DEV(DELL, U5700_2, 0),
208	U3G_DEV(DELL, U5700_3, 0),
209	U3G_DEV(DELL, U5700_4, 0),
210	U3G_DEV(DELL, U5720, 0),
211	U3G_DEV(DELL, U5720_2, 0),
212	U3G_DEV(DELL, U5730, 0),
213	U3G_DEV(DELL, U5730_2, 0),
214	U3G_DEV(DELL, U5730_3, 0),
215	U3G_DEV(DELL, U740, 0),
216	U3G_DEV(DLINK, DWR510_CD, U3GINIT_SCSIEJECT),
217	U3G_DEV(DLINK, DWR510, 0),
218	U3G_DEV(DLINK, DWM157_CD, U3GINIT_SCSIEJECT),
219	U3G_DEV(DLINK, DWM157, 0),
220	U3G_DEV(DLINK3, DWM652, 0),
221	U3G_DEV(HP, EV2200, 0),
222	U3G_DEV(HP, HS2300, 0),
223	U3G_DEV(HP, UN2420_QDL, 0),
224	U3G_DEV(HP, UN2420, 0),
225	U3G_DEV(HUAWEI, E1401, U3GINIT_HUAWEI),
226	U3G_DEV(HUAWEI, E1402, U3GINIT_HUAWEI),
227	U3G_DEV(HUAWEI, E1403, U3GINIT_HUAWEI),
228	U3G_DEV(HUAWEI, E1404, U3GINIT_HUAWEI),
229	U3G_DEV(HUAWEI, E1405, U3GINIT_HUAWEI),
230	U3G_DEV(HUAWEI, E1406, U3GINIT_HUAWEI),
231	U3G_DEV(HUAWEI, E1407, U3GINIT_HUAWEI),
232	U3G_DEV(HUAWEI, E1408, U3GINIT_HUAWEI),
233	U3G_DEV(HUAWEI, E1409, U3GINIT_HUAWEI),
234	U3G_DEV(HUAWEI, E140A, U3GINIT_HUAWEI),
235	U3G_DEV(HUAWEI, E140B, U3GINIT_HUAWEI),
236	U3G_DEV(HUAWEI, E140D, U3GINIT_HUAWEI),
237	U3G_DEV(HUAWEI, E140E, U3GINIT_HUAWEI),
238	U3G_DEV(HUAWEI, E140F, U3GINIT_HUAWEI),
239	U3G_DEV(HUAWEI, E1410, U3GINIT_HUAWEI),
240	U3G_DEV(HUAWEI, E1411, U3GINIT_HUAWEI),
241	U3G_DEV(HUAWEI, E1412, U3GINIT_HUAWEI),
242	U3G_DEV(HUAWEI, E1413, U3GINIT_HUAWEI),
243	U3G_DEV(HUAWEI, E1414, U3GINIT_HUAWEI),
244	U3G_DEV(HUAWEI, E1415, U3GINIT_HUAWEI),
245	U3G_DEV(HUAWEI, E1416, U3GINIT_HUAWEI),
246	U3G_DEV(HUAWEI, E1417, U3GINIT_HUAWEI),
247	U3G_DEV(HUAWEI, E1418, U3GINIT_HUAWEI),
248	U3G_DEV(HUAWEI, E1419, U3GINIT_HUAWEI),
249	U3G_DEV(HUAWEI, E141A, U3GINIT_HUAWEI),
250	U3G_DEV(HUAWEI, E141B, U3GINIT_HUAWEI),
251	U3G_DEV(HUAWEI, E141C, U3GINIT_HUAWEI),
252	U3G_DEV(HUAWEI, E141D, U3GINIT_HUAWEI),
253	U3G_DEV(HUAWEI, E141E, U3GINIT_HUAWEI),
254	U3G_DEV(HUAWEI, E141F, U3GINIT_HUAWEI),
255	U3G_DEV(HUAWEI, E1420, U3GINIT_HUAWEI),
256	U3G_DEV(HUAWEI, E1421, U3GINIT_HUAWEI),
257	U3G_DEV(HUAWEI, E1422, U3GINIT_HUAWEI),
258	U3G_DEV(HUAWEI, E1423, U3GINIT_HUAWEI),
259	U3G_DEV(HUAWEI, E1424, U3GINIT_HUAWEI),
260	U3G_DEV(HUAWEI, E1425, U3GINIT_HUAWEI),
261	U3G_DEV(HUAWEI, E1426, U3GINIT_HUAWEI),
262	U3G_DEV(HUAWEI, E1427, U3GINIT_HUAWEI),
263	U3G_DEV(HUAWEI, E1428, U3GINIT_HUAWEI),
264	U3G_DEV(HUAWEI, E1429, U3GINIT_HUAWEI),
265	U3G_DEV(HUAWEI, E142A, U3GINIT_HUAWEI),
266	U3G_DEV(HUAWEI, E142B, U3GINIT_HUAWEI),
267	U3G_DEV(HUAWEI, E142C, U3GINIT_HUAWEI),
268	U3G_DEV(HUAWEI, E142D, U3GINIT_HUAWEI),
269	U3G_DEV(HUAWEI, E142E, U3GINIT_HUAWEI),
270	U3G_DEV(HUAWEI, E142F, U3GINIT_HUAWEI),
271	U3G_DEV(HUAWEI, E1430, U3GINIT_HUAWEI),
272	U3G_DEV(HUAWEI, E1431, U3GINIT_HUAWEI),
273	U3G_DEV(HUAWEI, E1432, U3GINIT_HUAWEI),
274	U3G_DEV(HUAWEI, E1433, U3GINIT_HUAWEI),
275	U3G_DEV(HUAWEI, E1434, U3GINIT_HUAWEI),
276	U3G_DEV(HUAWEI, E1435, U3GINIT_HUAWEI),
277	U3G_DEV(HUAWEI, E1436, U3GINIT_HUAWEI),
278	U3G_DEV(HUAWEI, E1437, U3GINIT_HUAWEI),
279	U3G_DEV(HUAWEI, E1438, U3GINIT_HUAWEI),
280	U3G_DEV(HUAWEI, E1439, U3GINIT_HUAWEI),
281	U3G_DEV(HUAWEI, E143A, U3GINIT_HUAWEI),
282	U3G_DEV(HUAWEI, E143B, U3GINIT_HUAWEI),
283	U3G_DEV(HUAWEI, E143C, U3GINIT_HUAWEI),
284	U3G_DEV(HUAWEI, E143D, U3GINIT_HUAWEI),
285	U3G_DEV(HUAWEI, E143E, U3GINIT_HUAWEI),
286	U3G_DEV(HUAWEI, E143F, U3GINIT_HUAWEI),
287	U3G_DEV(HUAWEI, E173, 0),
288	U3G_DEV(HUAWEI, E173_INIT, U3GINIT_HUAWEISCSI),
289	U3G_DEV(HUAWEI, E3131, 0),
290	U3G_DEV(HUAWEI, E3131_INIT, U3GINIT_HUAWEISCSI2),
291	U3G_DEV(HUAWEI, E180V, U3GINIT_HUAWEI),
292	U3G_DEV(HUAWEI, E220, U3GINIT_HUAWEI),
293	U3G_DEV(HUAWEI, E220BIS, U3GINIT_HUAWEI),
294	U3G_DEV(HUAWEI, E392, U3GINIT_HUAWEISCSI),
295	U3G_DEV(HUAWEI, ME909U, U3GINIT_HUAWEISCSI2),
296	U3G_DEV(HUAWEI, ME909S, 0),
297	U3G_DEV(HUAWEI, MOBILE, U3GINIT_HUAWEI),
298	U3G_DEV(HUAWEI, E1752, U3GINIT_HUAWEISCSI),
299	U3G_DEV(HUAWEI, E1820, U3GINIT_HUAWEISCSI),
300	U3G_DEV(HUAWEI, K3772, U3GINIT_HUAWEI),
301	U3G_DEV(HUAWEI, K3772_INIT, U3GINIT_HUAWEISCSI2),
302	U3G_DEV(HUAWEI, K3765, U3GINIT_HUAWEI),
303	U3G_DEV(HUAWEI, K3765_INIT, U3GINIT_HUAWEISCSI),
304	U3G_DEV(HUAWEI, K3770, U3GINIT_HUAWEI),
305	U3G_DEV(HUAWEI, K3770_INIT, U3GINIT_HUAWEISCSI),
306	U3G_DEV(HUAWEI, K4505, U3GINIT_HUAWEI),
307	U3G_DEV(HUAWEI, K4505_INIT, U3GINIT_HUAWEISCSI),
308	U3G_DEV(HUAWEI, ETS2055, U3GINIT_HUAWEI),
309	U3G_DEV(HUAWEI, E3272_INIT, U3GINIT_HUAWEISCSI2),
310	U3G_DEV(HUAWEI, E3272, 0),
311	U3G_DEV(KYOCERA2, CDMA_MSM_K, 0),
312	U3G_DEV(KYOCERA2, KPC680, 0),
313	U3G_DEV(LONGCHEER, WM66, U3GINIT_HUAWEI),
314	U3G_DEV(LONGCHEER, DISK, U3GINIT_TCT),
315	U3G_DEV(LONGCHEER, W14, 0),
316	U3G_DEV(LONGCHEER, XSSTICK, 0),
317	U3G_DEV(MERLIN, V620, 0),
318	U3G_DEV(NEOTEL, PRIME, 0),
319	U3G_DEV(NOVATEL, E725, 0),
320	U3G_DEV(NOVATEL, ES620, 0),
321	U3G_DEV(NOVATEL, ES620_2, 0),
322	U3G_DEV(NOVATEL, EU730, 0),
323	U3G_DEV(NOVATEL, EU740, 0),
324	U3G_DEV(NOVATEL, EU870D, 0),
325	U3G_DEV(NOVATEL, MC760, 0),
326	U3G_DEV(NOVATEL, MC547, 0),
327	U3G_DEV(NOVATEL, MC679, 0),
328	U3G_DEV(NOVATEL, MC950D, 0),
329	U3G_DEV(NOVATEL, MC990D, 0),
330	U3G_DEV(NOVATEL, MIFI2200, U3GINIT_SCSIEJECT),
331	U3G_DEV(NOVATEL, MIFI2200V, U3GINIT_SCSIEJECT),
332	U3G_DEV(NOVATEL, U720, 0),
333	U3G_DEV(NOVATEL, U727, 0),
334	U3G_DEV(NOVATEL, U727_2, 0),
335	U3G_DEV(NOVATEL, U740, 0),
336	U3G_DEV(NOVATEL, U740_2, 0),
337	U3G_DEV(NOVATEL, U760, U3GINIT_SCSIEJECT),
338	U3G_DEV(NOVATEL, U870, 0),
339	U3G_DEV(NOVATEL, V620, 0),
340	U3G_DEV(NOVATEL, V640, 0),
341	U3G_DEV(NOVATEL, V720, 0),
342	U3G_DEV(NOVATEL, V740, 0),
343	U3G_DEV(NOVATEL, X950D, 0),
344	U3G_DEV(NOVATEL, XU870, 0),
345	U3G_DEV(MOTOROLA2, MB886, U3GINIT_SCSIEJECT),
346	U3G_DEV(OPTION, E6500, 0),
347	U3G_DEV(OPTION, E6501, 0),
348	U3G_DEV(OPTION, E6601, 0),
349	U3G_DEV(OPTION, E6721, 0),
350	U3G_DEV(OPTION, E6741, 0),
351	U3G_DEV(OPTION, E6761, 0),
352	U3G_DEV(OPTION, E6800, 0),
353	U3G_DEV(OPTION, E7021, 0),
354	U3G_DEV(OPTION, E7041, 0),
355	U3G_DEV(OPTION, E7061, 0),
356	U3G_DEV(OPTION, E7100, 0),
357	U3G_DEV(OPTION, GE40X, 0),
358	U3G_DEV(OPTION, GT3G, 0),
359	U3G_DEV(OPTION, GT3GPLUS, 0),
360	U3G_DEV(OPTION, GT3GQUAD, 0),
361	U3G_DEV(OPTION, GT3G_1, 0),
362	U3G_DEV(OPTION, GT3G_2, 0),
363	U3G_DEV(OPTION, GT3G_3, 0),
364	U3G_DEV(OPTION, GT3G_4, 0),
365	U3G_DEV(OPTION, GT3G_5, 0),
366	U3G_DEV(OPTION, GT3G_6, 0),
367	U3G_DEV(OPTION, GTHSDPA, 0),
368	U3G_DEV(OPTION, GTM380, 0),
369	U3G_DEV(OPTION, GTMAX36, 0),
370	U3G_DEV(OPTION, GTMAX380HSUPAE, 0),
371	U3G_DEV(OPTION, GTMAXHSUPA, 0),
372	U3G_DEV(OPTION, GTMAXHSUPAE, 0),
373	U3G_DEV(OPTION, VODAFONEMC3G, 0),
374	U3G_DEV(QISDA, H20_1, 0),
375	U3G_DEV(QISDA, H20_2, 0),
376	U3G_DEV(QISDA, H21_1, 0),
377	U3G_DEV(QISDA, H21_2, 0),
378	U3G_DEV(QUALCOMM, NTT_L02C_MODEM, U3GINIT_SCSIEJECT),
379	U3G_DEV(QUALCOMM2, AC8700, 0),
380	U3G_DEV(QUALCOMM2, MF330, 0),
381	U3G_DEV(QUALCOMM2, SIM5218, 0),
382	U3G_DEV(QUALCOMM2, WM620, 0),
383	U3G_DEV(QUALCOMM2, VW110L, U3GINIT_SCSIEJECT),
384	U3G_DEV(QUALCOMM2, GOBI2000_QDL, 0),
385	U3G_DEV(QUALCOMM2, GOBI2000, 0),
386	U3G_DEV(QUALCOMM2, VT80N, 0),
387	U3G_DEV(QUALCOMM3, VFAST2, 0),
388	U3G_DEV(QUALCOMMINC, AC2726, 0),
389	U3G_DEV(QUALCOMMINC, AC682_INIT, U3GINIT_SCSIEJECT),
390	U3G_DEV(QUALCOMMINC, AC682, 0),
391	U3G_DEV(QUALCOMMINC, AC8700, 0),
392	U3G_DEV(QUALCOMMINC, AC8710, 0),
393	U3G_DEV(QUALCOMMINC, CDMA_MSM, U3GINIT_SCSIEJECT),
394	U3G_DEV(QUALCOMMINC, E0002, 0),
395	U3G_DEV(QUALCOMMINC, E0003, 0),
396	U3G_DEV(QUALCOMMINC, E0004, 0),
397	U3G_DEV(QUALCOMMINC, E0005, 0),
398	U3G_DEV(QUALCOMMINC, E0006, 0),
399	U3G_DEV(QUALCOMMINC, E0007, 0),
400	U3G_DEV(QUALCOMMINC, E0008, 0),
401	U3G_DEV(QUALCOMMINC, E0009, 0),
402	U3G_DEV(QUALCOMMINC, E000A, 0),
403	U3G_DEV(QUALCOMMINC, E000B, 0),
404	U3G_DEV(QUALCOMMINC, E000C, 0),
405	U3G_DEV(QUALCOMMINC, E000D, 0),
406	U3G_DEV(QUALCOMMINC, E000E, 0),
407	U3G_DEV(QUALCOMMINC, E000F, 0),
408	U3G_DEV(QUALCOMMINC, E0010, 0),
409	U3G_DEV(QUALCOMMINC, E0011, 0),
410	U3G_DEV(QUALCOMMINC, E0012, 0),
411	U3G_DEV(QUALCOMMINC, E0013, 0),
412	U3G_DEV(QUALCOMMINC, E0014, 0),
413	U3G_DEV(QUALCOMMINC, E0017, 0),
414	U3G_DEV(QUALCOMMINC, E0018, 0),
415	U3G_DEV(QUALCOMMINC, E0019, 0),
416	U3G_DEV(QUALCOMMINC, E0020, 0),
417	U3G_DEV(QUALCOMMINC, E0021, 0),
418	U3G_DEV(QUALCOMMINC, E0022, 0),
419	U3G_DEV(QUALCOMMINC, E0023, 0),
420	U3G_DEV(QUALCOMMINC, E0024, 0),
421	U3G_DEV(QUALCOMMINC, E0025, 0),
422	U3G_DEV(QUALCOMMINC, E0026, 0),
423	U3G_DEV(QUALCOMMINC, E0027, 0),
424	U3G_DEV(QUALCOMMINC, E0028, 0),
425	U3G_DEV(QUALCOMMINC, E0029, 0),
426	U3G_DEV(QUALCOMMINC, E0030, 0),
427	U3G_DEV(QUALCOMMINC, E0032, 0),
428	U3G_DEV(QUALCOMMINC, E0033, 0),
429	U3G_DEV(QUALCOMMINC, E0037, 0),
430	U3G_DEV(QUALCOMMINC, E0039, 0),
431	U3G_DEV(QUALCOMMINC, E0042, 0),
432	U3G_DEV(QUALCOMMINC, E0043, 0),
433	U3G_DEV(QUALCOMMINC, E0048, 0),
434	U3G_DEV(QUALCOMMINC, E0049, 0),
435	U3G_DEV(QUALCOMMINC, E0051, 0),
436	U3G_DEV(QUALCOMMINC, E0052, 0),
437	U3G_DEV(QUALCOMMINC, E0054, 0),
438	U3G_DEV(QUALCOMMINC, E0055, 0),
439	U3G_DEV(QUALCOMMINC, E0057, 0),
440	U3G_DEV(QUALCOMMINC, E0058, 0),
441	U3G_DEV(QUALCOMMINC, E0059, 0),
442	U3G_DEV(QUALCOMMINC, E0060, 0),
443	U3G_DEV(QUALCOMMINC, E0061, 0),
444	U3G_DEV(QUALCOMMINC, E0062, 0),
445	U3G_DEV(QUALCOMMINC, E0063, 0),
446	U3G_DEV(QUALCOMMINC, E0064, 0),
447	U3G_DEV(QUALCOMMINC, E0066, 0),
448	U3G_DEV(QUALCOMMINC, E0069, 0),
449	U3G_DEV(QUALCOMMINC, E0070, 0),
450	U3G_DEV(QUALCOMMINC, E0073, 0),
451	U3G_DEV(QUALCOMMINC, E0076, 0),
452	U3G_DEV(QUALCOMMINC, E0078, 0),
453	U3G_DEV(QUALCOMMINC, E0082, 0),
454	U3G_DEV(QUALCOMMINC, E0086, 0),
455	U3G_DEV(QUALCOMMINC, SURFSTICK, 0),
456	U3G_DEV(QUALCOMMINC, E2002, 0),
457	U3G_DEV(QUALCOMMINC, E2003, 0),
458	U3G_DEV(QUALCOMMINC, K3772_Z, 0),
459	U3G_DEV(QUALCOMMINC, K3772_Z_INIT, U3GINIT_SCSIEJECT),
460	U3G_DEV(QUALCOMMINC, MF112, U3GINIT_ZTESTOR),
461	U3G_DEV(QUALCOMMINC, MF195E, 0),
462	U3G_DEV(QUALCOMMINC, MF195E_INIT, U3GINIT_SCSIEJECT),
463	U3G_DEV(QUALCOMMINC, MF626, 0),
464	U3G_DEV(QUALCOMMINC, MF628, 0),
465	U3G_DEV(QUALCOMMINC, MF633R, 0),
466	/* the following is a RNDIS device, no modem features */
467	U3G_DEV(QUALCOMMINC, ZTE_MF730M, U3GINIT_SCSIEJECT),
468	U3G_DEV(QUANTA, GKE, 0),
469	U3G_DEV(QUANTA, GLE, 0),
470	U3G_DEV(QUANTA, GLX, 0),
471	U3G_DEV(QUANTA, Q101, 0),
472	U3G_DEV(QUANTA, Q111, 0),
473	U3G_DEV(QUECTEL, EC25, 0),
474	U3G_DEV(QUECTEL, EC200T, 0),
475	U3G_DEV(SIERRA, AC402, 0),
476	U3G_DEV(SIERRA, AC595U, 0),
477	U3G_DEV(SIERRA, AC313U, 0),
478	U3G_DEV(SIERRA, AC597E, 0),
479	U3G_DEV(SIERRA, AC875, 0),
480	U3G_DEV(SIERRA, AC875E, 0),
481	U3G_DEV(SIERRA, AC875U, 0),
482	U3G_DEV(SIERRA, AC875U_2, 0),
483	U3G_DEV(SIERRA, AC880, 0),
484	U3G_DEV(SIERRA, AC880E, 0),
485	U3G_DEV(SIERRA, AC880U, 0),
486	U3G_DEV(SIERRA, AC881, 0),
487	U3G_DEV(SIERRA, AC881E, 0),
488	U3G_DEV(SIERRA, AC881U, 0),
489	U3G_DEV(SIERRA, AC885E, 0),
490	U3G_DEV(SIERRA, AC885E_2, 0),
491	U3G_DEV(SIERRA, AC885U, 0),
492	U3G_DEV(SIERRA, AIRCARD580, 0),
493	U3G_DEV(SIERRA, AIRCARD595, 0),
494	U3G_DEV(SIERRA, C22, 0),
495	U3G_DEV(SIERRA, C597, 0),
496	U3G_DEV(SIERRA, C888, 0),
497	U3G_DEV(SIERRA, E0029, 0),
498	U3G_DEV(SIERRA, E6892, 0),
499	U3G_DEV(SIERRA, E6893, 0),
500	U3G_DEV(SIERRA, EM5625, 0),
501	U3G_DEV(SIERRA, EM5725, 0),
502	U3G_DEV(SIERRA, MC5720, 0),
503	U3G_DEV(SIERRA, MC5720_2, 0),
504	U3G_DEV(SIERRA, MC5725, 0),
505	U3G_DEV(SIERRA, MC5727, 0),
506	U3G_DEV(SIERRA, MC5727_2, 0),
507	U3G_DEV(SIERRA, MC5728, 0),
508	U3G_DEV(SIERRA, MC7354, 0),
509	U3G_DEV(SIERRA, MC7355, 0),
510	U3G_DEV(SIERRA, MC7430, 0),
511	U3G_DEV(SIERRA, MC8700, 0),
512	U3G_DEV(SIERRA, MC8755, 0),
513	U3G_DEV(SIERRA, MC8755_2, 0),
514	U3G_DEV(SIERRA, MC8755_3, 0),
515	U3G_DEV(SIERRA, MC8755_4, 0),
516	U3G_DEV(SIERRA, MC8765, 0),
517	U3G_DEV(SIERRA, MC8765_2, 0),
518	U3G_DEV(SIERRA, MC8765_3, 0),
519	U3G_DEV(SIERRA, MC8775, 0),
520	U3G_DEV(SIERRA, MC8775_2, 0),
521	U3G_DEV(SIERRA, MC8780, 0),
522	U3G_DEV(SIERRA, MC8780_2, 0),
523	U3G_DEV(SIERRA, MC8780_3, 0),
524	U3G_DEV(SIERRA, MC8781, 0),
525	U3G_DEV(SIERRA, MC8781_2, 0),
526	U3G_DEV(SIERRA, MC8781_3, 0),
527	U3G_DEV(SIERRA, MC8785, 0),
528	U3G_DEV(SIERRA, MC8785_2, 0),
529	U3G_DEV(SIERRA, MC8790, 0),
530	U3G_DEV(SIERRA, MC8791, 0),
531	U3G_DEV(SIERRA, MC8792, 0),
532	U3G_DEV(SIERRA, MINI5725, 0),
533	U3G_DEV(SIERRA, T11, 0),
534	U3G_DEV(SIERRA, T598, 0),
535	U3G_DEV(SILABS, SAEL, U3GINIT_SAEL_M460),
536	U3G_DEV(STELERA, C105, 0),
537	U3G_DEV(STELERA, E1003, 0),
538	U3G_DEV(STELERA, E1004, 0),
539	U3G_DEV(STELERA, E1005, 0),
540	U3G_DEV(STELERA, E1006, 0),
541	U3G_DEV(STELERA, E1007, 0),
542	U3G_DEV(STELERA, E1008, 0),
543	U3G_DEV(STELERA, E1009, 0),
544	U3G_DEV(STELERA, E100A, 0),
545	U3G_DEV(STELERA, E100B, 0),
546	U3G_DEV(STELERA, E100C, 0),
547	U3G_DEV(STELERA, E100D, 0),
548	U3G_DEV(STELERA, E100E, 0),
549	U3G_DEV(STELERA, E100F, 0),
550	U3G_DEV(STELERA, E1010, 0),
551	U3G_DEV(STELERA, E1011, 0),
552	U3G_DEV(STELERA, E1012, 0),
553	U3G_DEV(TCTMOBILE, X060S, 0),
554	U3G_DEV(TCTMOBILE, X080S, U3GINIT_TCT),
555	U3G_DEV(TELIT, UC864E, 0),
556	U3G_DEV(TELIT, UC864G, 0),
557	U3G_DEV(TLAYTECH, TEU800, 0),
558	U3G_DEV(TOSHIBA, G450, 0),
559	U3G_DEV(TOSHIBA, HSDPA, 0),
560	U3G_DEV(YISO, C893, 0),
561	U3G_DEV(WETELECOM, WM_D200, 0),
562	/* Autoinstallers */
563	U3G_DEV(NOVATEL, ZEROCD, U3GINIT_SCSIEJECT),
564	U3G_DEV(OPTION, GTICON322, U3GINIT_REZERO),
565	U3G_DEV(QUALCOMMINC, ZTE_STOR, U3GINIT_ZTESTOR),
566	U3G_DEV(QUALCOMMINC, ZTE_STOR2, U3GINIT_SCSIEJECT),
567	U3G_DEV(QUANTA, Q101_STOR, U3GINIT_SCSIEJECT),
568	U3G_DEV(SIERRA, TRUINSTALL, U3GINIT_SIERRA),
569#undef	U3G_DEV
570};
571
572static void
573u3g_sael_m460_init(struct usb_device *udev)
574{
575	static const uint8_t setup[][24] = {
576	     { 0x41, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
577	     { 0x41, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 },
578	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
579	       0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
580	       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
581	     { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02 },
582	     { 0xc1, 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00 },
583	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
584	     { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
585	     { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
586	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
587	     { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
588	     { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
589	       0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
590	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
591	       0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
592	       0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
593	     { 0x41, 0x12, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 },
594	     { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
595	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
596	     { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
597	     { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
598	       0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
599	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
600	       0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
601	       0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
602	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
603	};
604
605	struct usb_device_request req;
606	usb_error_t err;
607	uint16_t len;
608	uint8_t buf[0x300];
609	uint8_t n;
610
611	DPRINTFN(1, "\n");
612
613	if (usbd_req_set_alt_interface_no(udev, NULL, 0, 0)) {
614		DPRINTFN(0, "Alt setting 0 failed\n");
615		return;
616	}
617
618	for (n = 0; n != (sizeof(setup) / sizeof(setup[0])); n++) {
619		(void)memcpy_s(&req, sizeof(req), setup[n], sizeof(req));
620
621		len = UGETW(req.wLength);
622		if (req.bmRequestType & UE_DIR_IN) {
623			if (len > sizeof(buf)) {
624				DPRINTFN(0, "too small buffer\n");
625				continue;
626			}
627			err = usbd_do_request(udev, NULL, &req, buf);
628		} else {
629			if (len > (sizeof(setup[0]) - 8)) {
630				DPRINTFN(0, "too small buffer\n");
631				continue;
632			}
633			err = usbd_do_request(udev, NULL, &req,
634			    __DECONST(uint8_t *, &setup[n][8]));
635		}
636		if (err) {
637			DPRINTFN(1, "request %u failed\n",
638			    (unsigned int)n);
639			/*
640			 * Some of the requests will fail. Stop doing
641			 * requests when we are getting timeouts so
642			 * that we don't block the explore/attach
643			 * thread forever.
644			 */
645			if (err == USB_ERR_TIMEOUT)
646				break;
647		}
648	}
649}
650
651static int
652u3g_probe(device_t self)
653{
654	struct usb_attach_arg *uaa = (struct usb_attach_arg *)device_get_ivars(self);
655
656	if (uaa->usb_mode != USB_MODE_HOST) {
657		return (ENXIO);
658	}
659
660	if (uaa->info.bInterfaceClass != UICLASS_VENDOR) {
661		return (ENXIO);
662	}
663	return (usbd_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa));
664}
665
666static int
667u3g_attach(device_t dev)
668{
669	struct usb_config u3g_config_tmp[U3G_N_TRANSFER];
670	struct usb_attach_arg *uaa = (struct usb_attach_arg *)device_get_ivars(dev);
671	struct u3g_softc *sc = (struct u3g_softc *)device_get_softc(dev);
672	struct usb_interface *iface;
673	struct usb_interface_descriptor *id;
674	uint32_t iface_valid;
675	int error, type, nports;
676	int ep, n;
677	uint8_t i;
678
679	DPRINTF("sc=%p\n", sc);
680
681	type = USB_GET_DRIVER_INFO(uaa);
682	if (type == U3GINIT_SAEL_M460
683		|| usb_test_quirk(uaa, UQ_MSC_EJECT_SAEL_M460)) {
684		u3g_sael_m460_init(uaa->device);
685	}
686
687	/* copy in USB config */
688	for (n = 0; n != U3G_N_TRANSFER; n++)
689		u3g_config_tmp[n] = u3g_config[n];
690
691	device_set_usb_desc(dev);
692	mtx_init(&sc->sc_mtx, "u3g", NULL, MTX_DEF);
693	ucom_ref(&sc->sc_super_ucom);
694
695	sc->sc_udev = uaa->device;
696
697	/* Claim all interfaces on the device */
698	iface_valid = 0;
699	for (i = uaa->info.bIfaceIndex; i < USB_IFACE_MAX; i++) {
700		iface = usbd_get_iface(uaa->device, i);
701		if (iface == NULL)
702			break;
703		id = usbd_get_interface_descriptor(iface);
704		if (id == NULL || id->bInterfaceClass != UICLASS_VENDOR)
705			continue;
706		usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
707		iface_valid |= (1<<i);
708	}
709
710	i = 0;		/* interface index */
711	ep = 0;		/* endpoint index */
712	nports = 0;	/* number of ports */
713	while (i < USB_IFACE_MAX) {
714		if ((iface_valid & (1<<i)) == 0) {
715			i++;
716			continue;
717		}
718
719		/* update BULK endpoint index */
720		for (n = 0; n < U3G_N_TRANSFER; n++)
721			u3g_config_tmp[n].ep_index = ep;
722
723		/* try to allocate a set of BULK endpoints */
724		error = usbd_transfer_setup(uaa->device, &i,
725		    sc->sc_xfer[nports], u3g_config_tmp, U3G_N_TRANSFER,
726		    &sc->sc_ucom[nports], &sc->sc_mtx);
727		if (error) {
728			/* next interface */
729			i++;
730			ep = 0;
731			continue;
732		}
733
734		iface = usbd_get_iface(uaa->device, i);
735		id = usbd_get_interface_descriptor(iface);
736		sc->sc_iface[nports] = id->bInterfaceNumber;
737
738		nports++;	/* found one port */
739		ep++;
740		if (nports == U3G_MAXPORTS)
741			break;
742	}
743	if (nports == 0) {
744		device_printf(dev, "no ports found\n");
745		goto detach;
746	}
747	sc->sc_numports = nports;
748
749	error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom,
750		sc->sc_numports, sc, &u3g_callback, &sc->sc_mtx);
751	if (error) {
752		DPRINTF("ucom_attach failed\n");
753		goto detach;
754	}
755
756	ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
757	device_printf(dev, "Found %u port%s.\n", sc->sc_numports,
758	    sc->sc_numports > 1 ? "s":"");
759
760	return (0);
761
762detach:
763	(void)u3g_detach(dev);
764	return (ENXIO);
765}
766
767static int
768u3g_detach(device_t dev)
769{
770	struct u3g_softc *sc = (struct u3g_softc *)device_get_softc(dev);
771	uint8_t subunit;
772
773	DPRINTF("sc=%p\n", sc);
774
775	/* NOTE: It is not dangerous to detach more ports than attached! */
776	ucom_detach(&sc->sc_super_ucom, sc->sc_ucom);
777
778	for (subunit = 0; subunit != U3G_MAXPORTS; subunit++)
779		usbd_transfer_unsetup(sc->sc_xfer[subunit], U3G_N_TRANSFER);
780
781	if (ucom_unref(&sc->sc_super_ucom)) {
782		mtx_destroy(&sc->sc_mtx);
783	}
784
785	return (0);
786}
787
788static void
789u3g_free_softc(struct u3g_softc *sc)
790{
791	if (ucom_unref(&sc->sc_super_ucom)) {
792		mtx_destroy(&sc->sc_mtx);
793		free(sc);
794	}
795}
796
797static void
798u3g_free(struct ucom_softc *ucom)
799{
800	u3g_free_softc((struct u3g_softc *)ucom->sc_parent);
801}
802
803static void
804u3g_start_read(struct ucom_softc *ucom)
805{
806	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
807
808	/* start interrupt endpoint (if configured) */
809	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_INTR]);
810
811	/* start read endpoint */
812	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]);
813}
814
815static void
816u3g_stop_read(struct ucom_softc *ucom)
817{
818	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
819
820	/* stop interrupt endpoint (if configured) */
821	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_INTR]);
822
823	/* stop read endpoint */
824	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]);
825}
826
827static void
828u3g_start_write(struct ucom_softc *ucom)
829{
830	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
831
832	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]);
833}
834
835static void
836u3g_stop_write(struct ucom_softc *ucom)
837{
838	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
839
840	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]);
841}
842
843static void
844u3g_write_callback(struct usb_xfer *xfer, usb_error_t error)
845{
846	struct ucom_softc *ucom = (struct ucom_softc *)usbd_xfer_softc(xfer);
847	struct usb_page_cache *pc;
848	uint32_t actlen;
849	uint32_t frame;
850
851	ucom_handler_item_s *p_u3g_write_handler;
852	static uint32_t writelen;
853
854	DPRINTFN(1, "\n");
855
856	switch (USB_GET_STATE(xfer)) {
857	case USB_ST_TRANSFERRED:
858
859		p_u3g_write_handler = (ucom_handler_item_s *)LOS_MemboxAlloc(m_auc_tty_usb_handler_pool);
860		if (p_u3g_write_handler != NULL) {
861			p_u3g_write_handler->length = writelen;
862			if (LOS_QueueWrite(m_uw_tty_usb_handler_queue, p_u3g_write_handler,
863							    sizeof(UINT32), LOS_NO_WAIT)) {
864				(VOID)LOS_MemboxFree(m_auc_tty_usb_handler_pool, p_u3g_write_handler);
865			}
866		}
867
868	case USB_ST_SETUP:
869tr_setup:
870		for (frame = 0; frame != U3G_TXFRAMES; frame++) {
871			usbd_xfer_set_frame_offset(xfer, frame * U3G_TXSIZE, frame);
872
873			pc = usbd_xfer_get_frame(xfer, frame);
874			if (ucom_get_data(ucom, pc, 0, U3G_TXSIZE, &actlen) == 0)
875				break;
876
877			usbd_xfer_set_frame_len(xfer, frame, actlen);
878			writelen = actlen;
879		}
880		if (frame != 0) {
881			usbd_xfer_set_frames(xfer, frame);
882			usbd_transfer_submit(xfer);
883		}
884		break;
885
886	default:			/* Error */
887		if (error != USB_ERR_CANCELLED) {
888			/* do a builtin clear-stall */
889			usbd_xfer_set_stall(xfer);
890			goto tr_setup;
891		}
892		break;
893	}
894}
895
896static void
897u3g_read_callback(struct usb_xfer *xfer, usb_error_t error)
898{
899	struct ucom_softc *ucom = (struct ucom_softc *)usbd_xfer_softc(xfer);
900	struct usb_page_cache *pc;
901	int actlen;
902
903	DPRINTFN(1, "\n");
904
905	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
906
907	switch (USB_GET_STATE(xfer)) {
908	case USB_ST_TRANSFERRED:
909		pc = usbd_xfer_get_frame(xfer, 0);
910		ucom_put_data(ucom, pc, 0, actlen);
911
912	case USB_ST_SETUP:
913tr_setup:
914		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
915		usbd_transfer_submit(xfer);
916		break;
917
918	default:			/* Error */
919		if (error != USB_ERR_CANCELLED) {
920			/* do a builtin clear-stall */
921			usbd_xfer_set_stall(xfer);
922			goto tr_setup;
923		}
924		break;
925	}
926}
927
928static void
929u3g_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
930{
931	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
932
933	*lsr = sc->sc_lsr[ucom->sc_subunit];
934	*msr = sc->sc_msr[ucom->sc_subunit];
935}
936
937static void
938u3g_cfg_set_line(struct ucom_softc *ucom)
939{
940	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
941	struct usb_device_request req;
942
943	req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
944	req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
945	USETW(req.wValue, sc->sc_line[ucom->sc_subunit]);
946	req.wIndex[0] = sc->sc_iface[ucom->sc_subunit];
947	req.wIndex[1] = 0;
948	req.wLength[0] = 0;
949	req.wLength[1] = 0;
950
951	(void)ucom_cfg_do_request(sc->sc_udev, ucom,
952		&req, NULL, 0, 1000);
953}
954
955static void
956u3g_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
957{
958	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
959
960	DPRINTF("onoff = %d\n", onoff);
961
962	if (onoff)
963		sc->sc_line[ucom->sc_subunit] |= UCDC_LINE_DTR;
964	else
965		sc->sc_line[ucom->sc_subunit] &= ~UCDC_LINE_DTR;
966
967	u3g_cfg_set_line(ucom);
968}
969
970static void
971u3g_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
972{
973	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
974
975	DPRINTF("onoff = %d\n", onoff);
976
977	if (onoff)
978		sc->sc_line[ucom->sc_subunit] |= UCDC_LINE_RTS;
979	else
980		sc->sc_line[ucom->sc_subunit] &= ~UCDC_LINE_RTS;
981
982	u3g_cfg_set_line(ucom);
983}
984
985static void
986u3g_intr_callback(struct usb_xfer *xfer, usb_error_t error)
987{
988	struct ucom_softc *ucom = (struct ucom_softc *)usbd_xfer_softc(xfer);
989	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
990	struct usb_page_cache *pc;
991	struct usb_cdc_notification pkt;
992	int actlen;
993	uint16_t wLen;
994	uint8_t mstatus;
995	int i;
996
997	DPRINTFN(1, "\n");
998
999	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
1000
1001	switch (USB_GET_STATE(xfer)) {
1002	case USB_ST_TRANSFERRED:
1003		if (actlen < 8) {	/* usb_cdc_notification with 2 data bytes */
1004			DPRINTF("message too short (expected 8, received %d)\n", actlen);
1005			goto tr_setup;
1006		}
1007		pc = usbd_xfer_get_frame(xfer, 0);
1008		usbd_copy_out(pc, 0, &pkt, actlen);
1009
1010		PRINTK("read intr data start -->\n\n");
1011		for (i=0; i<actlen; i++) {
1012			PRINTK("[0x%x]  ", *((char*)pc->buffer+i));
1013		}
1014		PRINTK("\nread intr data end -->\n\n");
1015
1016		wLen = UGETW(pkt.wLength);
1017		if (wLen < 2) {
1018			DPRINTF("message too short (expected 2 data bytes, received %d)\n", wLen);
1019			goto tr_setup;
1020		}
1021
1022		if (pkt.bmRequestType == UCDC_NOTIFICATION
1023		    && pkt.bNotification == UCDC_N_SERIAL_STATE) {
1024			/*
1025		     * Set the serial state in ucom driver based on
1026		     * the bits from the notify message
1027		     */
1028			DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
1029			    pkt.data[0], pkt.data[1]);
1030
1031			/* currently, lsr is always zero. */
1032			sc->sc_lsr[ucom->sc_subunit] = 0;
1033			sc->sc_msr[ucom->sc_subunit] = 0;
1034
1035			mstatus = pkt.data[0];
1036
1037			if (mstatus & UCDC_N_SERIAL_RI)
1038				sc->sc_msr[ucom->sc_subunit] |= SER_RI;
1039			if (mstatus & UCDC_N_SERIAL_DSR)
1040				sc->sc_msr[ucom->sc_subunit] |= SER_DSR;
1041			if (mstatus & UCDC_N_SERIAL_DCD)
1042				sc->sc_msr[ucom->sc_subunit] |= SER_DCD;
1043			ucom_status_change(ucom);
1044		}
1045
1046	case USB_ST_SETUP:
1047tr_setup:
1048		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
1049		usbd_transfer_submit(xfer);
1050		return;
1051
1052	default:			/* Error */
1053		if (error != USB_ERR_CANCELLED) {
1054			/* try to clear stall first */
1055			usbd_xfer_set_stall(xfer);
1056			goto tr_setup;
1057		}
1058		return;
1059	}
1060}
1061
1062static void
1063u3g_poll(struct ucom_softc *ucom)
1064{
1065	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
1066	usbd_transfer_poll(sc->sc_xfer[ucom->sc_subunit], U3G_N_TRANSFER);
1067}
1068
1069#undef USB_DEBUG_VAR
1070