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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  * $FreeBSD$
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 #include <los_queue.h>
34 
35 #include "implementation/global_implementation.h"
36 #include "implementation/usbdevs.h"
37 #include "usb_serial.h"
38 
39 #undef USB_DEBUG_VAR
40 #define	USB_DEBUG_VAR   u3g_debug
41 #ifdef LOSCFG_USB_DEBUG
42 static int u3g_debug = 0;
43 void
u3g_debug_func(int level)44 u3g_debug_func(int level)
45 {
46 	u3g_debug = level;
47 	PRINTK("The level of u3g debug is %d\n", level);
48 }
49 DEBUG_MODULE(u3g, u3g_debug_func);
50 #endif
51 
52 #define	U3G_MAXPORTS		12
53 #define	U3G_CONFIG_INDEX	1
54 #define	U3G_BSIZE		2048
55 #define	U3G_TXSIZE		(U3G_BSIZE / U3G_TXFRAMES)
56 #define	U3G_TXFRAMES		4
57 
58 #define	U3GSP_GPRS		0
59 #define	U3GSP_EDGE		1
60 #define	U3GSP_CDMA		2
61 #define	U3GSP_UMTS		3
62 #define	U3GSP_HSDPA		4
63 #define	U3GSP_HSUPA		5
64 #define	U3GSP_HSPA		6
65 #define	U3GSP_MAX		7
66 
67 /* Eject methods; See also usb_quirks.h:UQ_MSC_EJECT_* */
68 #define	U3GINIT_HUAWEI		1	/* Requires Huawei init command */
69 #define	U3GINIT_SIERRA		2	/* Requires Sierra init command */
70 #define	U3GINIT_SCSIEJECT	3	/* Requires SCSI eject command */
71 #define	U3GINIT_REZERO		4	/* Requires SCSI rezero command */
72 #define	U3GINIT_ZTESTOR		5	/* Requires ZTE SCSI command */
73 #define	U3GINIT_CMOTECH		6	/* Requires CMOTECH SCSI command */
74 #define	U3GINIT_WAIT		7	/* Device reappears after a delay */
75 #define	U3GINIT_SAEL_M460	8	/* Requires vendor init */
76 #define	U3GINIT_HUAWEISCSI	9	/* Requires Huawei SCSI init command */
77 #define	 U3GINIT_HUAWEISCSI2 10
78 #define	 U3GINIT_HUAWEISCSI3 11
79 #define	U3GINIT_TCT		12		/* Requires TCT Mobile init command */
80 
81 enum {
82 	U3G_BULK_WR,
83 	U3G_BULK_RD,
84 	U3G_INTR,
85 	U3G_N_TRANSFER,
86 };
87 
88 struct u3g_softc {
89 	struct ucom_super_softc sc_super_ucom;
90 	struct ucom_softc sc_ucom[U3G_MAXPORTS];
91 
92 	struct usb_xfer *sc_xfer[U3G_MAXPORTS][U3G_N_TRANSFER];
93 	uint8_t sc_iface[U3G_MAXPORTS];			/* local status register */
94 	uint8_t sc_lsr[U3G_MAXPORTS];			/* local status register */
95 	uint8_t sc_msr[U3G_MAXPORTS];			/* u3g status register */
96 	uint16_t sc_line[U3G_MAXPORTS];			/* line status */
97 
98 	struct usb_device *sc_udev;
99 	struct mtx sc_mtx;
100 
101 	uint8_t sc_numports;
102 };
103 
104 static device_probe_t u3g_probe;
105 static device_attach_t u3g_attach;
106 static device_detach_t u3g_detach;
107 static void u3g_free_softc(struct u3g_softc *);
108 
109 static usb_callback_t u3g_write_callback;
110 static usb_callback_t u3g_read_callback;
111 static usb_callback_t u3g_intr_callback;
112 
113 static void u3g_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *);
114 static void u3g_cfg_set_dtr(struct ucom_softc *, uint8_t);
115 static void u3g_cfg_set_rts(struct ucom_softc *, uint8_t);
116 static void u3g_start_read(struct ucom_softc *ucom);
117 static void u3g_stop_read(struct ucom_softc *ucom);
118 static void u3g_start_write(struct ucom_softc *ucom);
119 static void u3g_stop_write(struct ucom_softc *ucom);
120 static void u3g_poll(struct ucom_softc *ucom);
121 static void u3g_free(struct ucom_softc *ucom);
122 
123 static const struct usb_config u3g_config[U3G_N_TRANSFER] = {
124 	[U3G_BULK_WR] = {
125 		.type = UE_BULK,
126 		.endpoint = UE_ADDR_ANY,
127 		.direction = UE_DIR_OUT,
128 		.bufsize = U3G_BSIZE,/* bytes */
129 		.frames = U3G_TXFRAMES,
130 		.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
131 		.callback = &u3g_write_callback,
132 	},
133 
134 	[U3G_BULK_RD] = {
135 		.type = UE_BULK,
136 		.endpoint = UE_ADDR_ANY,
137 		.direction = UE_DIR_IN,
138 		.bufsize = U3G_BSIZE,/* bytes */
139 		.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
140 		.callback = &u3g_read_callback,
141 	},
142 
143 	[U3G_INTR] = {
144 		.type = UE_INTERRUPT,
145 		.endpoint = UE_ADDR_ANY,
146 		.direction = UE_DIR_IN,
147 		.flags = {.pipe_bof = 1,.short_xfer_ok = 1,.no_pipe_ok = 1,},
148 		.bufsize = 0,	/* use wMaxPacketSize */
149 		.callback = &u3g_intr_callback,
150 	},
151 };
152 
153 static const struct ucom_callback u3g_callback = {
154 	.ucom_cfg_get_status = &u3g_cfg_get_status,
155 	.ucom_cfg_set_dtr = &u3g_cfg_set_dtr,
156 	.ucom_cfg_set_rts = &u3g_cfg_set_rts,
157 	.ucom_start_read = &u3g_start_read,
158 	.ucom_stop_read = &u3g_stop_read,
159 	.ucom_start_write = &u3g_start_write,
160 	.ucom_stop_write = &u3g_stop_write,
161 	.ucom_poll = &u3g_poll,
162 	.ucom_free = &u3g_free,
163 };
164 
165 static device_method_t u3g_methods[] = {
166 	DEVMETHOD(device_probe, u3g_probe),
167 	DEVMETHOD(device_attach, u3g_attach),
168 	DEVMETHOD(device_detach, u3g_detach),
169 	DEVMETHOD_END
170 };
171 
172 static devclass_t u3g_devclass;
173 
174 static driver_t u3g_driver = {
175 	.name = "u3g",
176 	.methods = u3g_methods,
177 	.size = sizeof(struct u3g_softc),
178 };
179 
180 DRIVER_MODULE(u3g, uhub, u3g_driver, u3g_devclass, 0, 0);
181 
182 static const STRUCT_USB_HOST_ID u3g_devs[] = {
183 #define	U3G_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) }
184 	U3G_DEV(ABIT, AK_020, 0),
185 	U3G_DEV(ACERP, H10, 0),
186 	U3G_DEV(AIRPLUS, MCD650, 0),
187 	U3G_DEV(AIRPRIME, PC5220, 0),
188 	U3G_DEV(AIRPRIME, AC313U, 0),
189 	U3G_DEV(ALINK, 3G, 0),
190 	U3G_DEV(ALINK, 3GU, 0),
191 	U3G_DEV(ALINK, DWM652U5, 0),
192 	U3G_DEV(ALINK, SIM7600E, 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(DLINK, DWR510_CD, U3GINIT_SCSIEJECT),
219 	U3G_DEV(DLINK, DWR510, 0),
220 	U3G_DEV(DLINK, DWM157_CD, U3GINIT_SCSIEJECT),
221 	U3G_DEV(DLINK, DWM157, 0),
222 	U3G_DEV(DLINK3, DWM652, 0),
223 	U3G_DEV(HP, EV2200, 0),
224 	U3G_DEV(HP, HS2300, 0),
225 	U3G_DEV(HP, UN2420_QDL, 0),
226 	U3G_DEV(HP, UN2420, 0),
227 	U3G_DEV(HUAWEI, E1401, U3GINIT_HUAWEI),
228 	U3G_DEV(HUAWEI, E1402, U3GINIT_HUAWEI),
229 	U3G_DEV(HUAWEI, E1403, U3GINIT_HUAWEI),
230 	U3G_DEV(HUAWEI, E1404, U3GINIT_HUAWEI),
231 	U3G_DEV(HUAWEI, E1405, U3GINIT_HUAWEI),
232 	U3G_DEV(HUAWEI, E1406, U3GINIT_HUAWEI),
233 	U3G_DEV(HUAWEI, E1407, U3GINIT_HUAWEI),
234 	U3G_DEV(HUAWEI, E1408, U3GINIT_HUAWEI),
235 	U3G_DEV(HUAWEI, E1409, U3GINIT_HUAWEI),
236 	U3G_DEV(HUAWEI, E140A, U3GINIT_HUAWEI),
237 	U3G_DEV(HUAWEI, E140B, U3GINIT_HUAWEI),
238 	U3G_DEV(HUAWEI, E140D, U3GINIT_HUAWEI),
239 	U3G_DEV(HUAWEI, E140E, U3GINIT_HUAWEI),
240 	U3G_DEV(HUAWEI, E140F, U3GINIT_HUAWEI),
241 	U3G_DEV(HUAWEI, E1410, U3GINIT_HUAWEI),
242 	U3G_DEV(HUAWEI, E1411, U3GINIT_HUAWEI),
243 	U3G_DEV(HUAWEI, E1412, U3GINIT_HUAWEI),
244 	U3G_DEV(HUAWEI, E1413, U3GINIT_HUAWEI),
245 	U3G_DEV(HUAWEI, E1414, U3GINIT_HUAWEI),
246 	U3G_DEV(HUAWEI, E1415, U3GINIT_HUAWEI),
247 	U3G_DEV(HUAWEI, E1416, U3GINIT_HUAWEI),
248 	U3G_DEV(HUAWEI, E1417, U3GINIT_HUAWEI),
249 	U3G_DEV(HUAWEI, E1418, U3GINIT_HUAWEI),
250 	U3G_DEV(HUAWEI, E1419, U3GINIT_HUAWEI),
251 	U3G_DEV(HUAWEI, E141A, U3GINIT_HUAWEI),
252 	U3G_DEV(HUAWEI, E141B, U3GINIT_HUAWEI),
253 	U3G_DEV(HUAWEI, E141C, U3GINIT_HUAWEI),
254 	U3G_DEV(HUAWEI, E141D, U3GINIT_HUAWEI),
255 	U3G_DEV(HUAWEI, E141E, U3GINIT_HUAWEI),
256 	U3G_DEV(HUAWEI, E141F, U3GINIT_HUAWEI),
257 	U3G_DEV(HUAWEI, E1420, U3GINIT_HUAWEI),
258 	U3G_DEV(HUAWEI, E1421, U3GINIT_HUAWEI),
259 	U3G_DEV(HUAWEI, E1422, U3GINIT_HUAWEI),
260 	U3G_DEV(HUAWEI, E1423, U3GINIT_HUAWEI),
261 	U3G_DEV(HUAWEI, E1424, U3GINIT_HUAWEI),
262 	U3G_DEV(HUAWEI, E1425, U3GINIT_HUAWEI),
263 	U3G_DEV(HUAWEI, E1426, U3GINIT_HUAWEI),
264 	U3G_DEV(HUAWEI, E1427, U3GINIT_HUAWEI),
265 	U3G_DEV(HUAWEI, E1428, U3GINIT_HUAWEI),
266 	U3G_DEV(HUAWEI, E1429, U3GINIT_HUAWEI),
267 	U3G_DEV(HUAWEI, E142A, U3GINIT_HUAWEI),
268 	U3G_DEV(HUAWEI, E142B, U3GINIT_HUAWEI),
269 	U3G_DEV(HUAWEI, E142C, U3GINIT_HUAWEI),
270 	U3G_DEV(HUAWEI, E142D, U3GINIT_HUAWEI),
271 	U3G_DEV(HUAWEI, E142E, U3GINIT_HUAWEI),
272 	U3G_DEV(HUAWEI, E142F, U3GINIT_HUAWEI),
273 	U3G_DEV(HUAWEI, E1430, U3GINIT_HUAWEI),
274 	U3G_DEV(HUAWEI, E1431, U3GINIT_HUAWEI),
275 	U3G_DEV(HUAWEI, E1432, U3GINIT_HUAWEI),
276 	U3G_DEV(HUAWEI, E1433, U3GINIT_HUAWEI),
277 	U3G_DEV(HUAWEI, E1434, U3GINIT_HUAWEI),
278 	U3G_DEV(HUAWEI, E1435, U3GINIT_HUAWEI),
279 	U3G_DEV(HUAWEI, E1436, U3GINIT_HUAWEI),
280 	U3G_DEV(HUAWEI, E1437, U3GINIT_HUAWEI),
281 	U3G_DEV(HUAWEI, E1438, U3GINIT_HUAWEI),
282 	U3G_DEV(HUAWEI, E1439, U3GINIT_HUAWEI),
283 	U3G_DEV(HUAWEI, E143A, U3GINIT_HUAWEI),
284 	U3G_DEV(HUAWEI, E143B, U3GINIT_HUAWEI),
285 	U3G_DEV(HUAWEI, E143C, U3GINIT_HUAWEI),
286 	U3G_DEV(HUAWEI, E143D, U3GINIT_HUAWEI),
287 	U3G_DEV(HUAWEI, E143E, U3GINIT_HUAWEI),
288 	U3G_DEV(HUAWEI, E143F, U3GINIT_HUAWEI),
289 	U3G_DEV(HUAWEI, E173, 0),
290 	U3G_DEV(HUAWEI, E173_INIT, U3GINIT_HUAWEISCSI),
291 	U3G_DEV(HUAWEI, E3131, 0),
292 	U3G_DEV(HUAWEI, E3131_INIT, U3GINIT_HUAWEISCSI2),
293 	U3G_DEV(HUAWEI, E180V, U3GINIT_HUAWEI),
294 	U3G_DEV(HUAWEI, E220, U3GINIT_HUAWEI),
295 	U3G_DEV(HUAWEI, E220BIS, U3GINIT_HUAWEI),
296 	U3G_DEV(HUAWEI, E392, U3GINIT_HUAWEISCSI),
297 	U3G_DEV(HUAWEI, ME909U, U3GINIT_HUAWEISCSI2),
298 	U3G_DEV(HUAWEI, ME909S, 0),
299 	U3G_DEV(HUAWEI, MOBILE, U3GINIT_HUAWEI),
300 	U3G_DEV(HUAWEI, E1752, U3GINIT_HUAWEISCSI),
301 	U3G_DEV(HUAWEI, E1820, U3GINIT_HUAWEISCSI),
302 	U3G_DEV(HUAWEI, K3772, U3GINIT_HUAWEI),
303 	U3G_DEV(HUAWEI, K3772_INIT, U3GINIT_HUAWEISCSI2),
304 	U3G_DEV(HUAWEI, K3765, U3GINIT_HUAWEI),
305 	U3G_DEV(HUAWEI, K3765_INIT, U3GINIT_HUAWEISCSI),
306 	U3G_DEV(HUAWEI, K3770, U3GINIT_HUAWEI),
307 	U3G_DEV(HUAWEI, K3770_INIT, U3GINIT_HUAWEISCSI),
308 	U3G_DEV(HUAWEI, K4505, U3GINIT_HUAWEI),
309 	U3G_DEV(HUAWEI, K4505_INIT, U3GINIT_HUAWEISCSI),
310 	U3G_DEV(HUAWEI, ETS2055, U3GINIT_HUAWEI),
311 	U3G_DEV(HUAWEI, E3272_INIT, U3GINIT_HUAWEISCSI2),
312 	U3G_DEV(HUAWEI, E3272, 0),
313 	U3G_DEV(KYOCERA2, CDMA_MSM_K, 0),
314 	U3G_DEV(KYOCERA2, KPC680, 0),
315 	U3G_DEV(LONGCHEER, WM66, U3GINIT_HUAWEI),
316 	U3G_DEV(LONGCHEER, DISK, U3GINIT_TCT),
317 	U3G_DEV(LONGCHEER, W14, 0),
318 	U3G_DEV(LONGCHEER, XSSTICK, 0),
319 	U3G_DEV(MERLIN, V620, 0),
320 	U3G_DEV(NEOTEL, PRIME, 0),
321 	U3G_DEV(NOVATEL, E725, 0),
322 	U3G_DEV(NOVATEL, ES620, 0),
323 	U3G_DEV(NOVATEL, ES620_2, 0),
324 	U3G_DEV(NOVATEL, EU730, 0),
325 	U3G_DEV(NOVATEL, EU740, 0),
326 	U3G_DEV(NOVATEL, EU870D, 0),
327 	U3G_DEV(NOVATEL, MC760, 0),
328 	U3G_DEV(NOVATEL, MC547, 0),
329 	U3G_DEV(NOVATEL, MC679, 0),
330 	U3G_DEV(NOVATEL, MC950D, 0),
331 	U3G_DEV(NOVATEL, MC990D, 0),
332 	U3G_DEV(NOVATEL, MIFI2200, U3GINIT_SCSIEJECT),
333 	U3G_DEV(NOVATEL, MIFI2200V, U3GINIT_SCSIEJECT),
334 	U3G_DEV(NOVATEL, U720, 0),
335 	U3G_DEV(NOVATEL, U727, 0),
336 	U3G_DEV(NOVATEL, U727_2, 0),
337 	U3G_DEV(NOVATEL, U740, 0),
338 	U3G_DEV(NOVATEL, U740_2, 0),
339 	U3G_DEV(NOVATEL, U760, U3GINIT_SCSIEJECT),
340 	U3G_DEV(NOVATEL, U870, 0),
341 	U3G_DEV(NOVATEL, V620, 0),
342 	U3G_DEV(NOVATEL, V640, 0),
343 	U3G_DEV(NOVATEL, V720, 0),
344 	U3G_DEV(NOVATEL, V740, 0),
345 	U3G_DEV(NOVATEL, X950D, 0),
346 	U3G_DEV(NOVATEL, XU870, 0),
347 	U3G_DEV(MOTOROLA2, MB886, U3GINIT_SCSIEJECT),
348 	U3G_DEV(OPTION, E6500, 0),
349 	U3G_DEV(OPTION, E6501, 0),
350 	U3G_DEV(OPTION, E6601, 0),
351 	U3G_DEV(OPTION, E6721, 0),
352 	U3G_DEV(OPTION, E6741, 0),
353 	U3G_DEV(OPTION, E6761, 0),
354 	U3G_DEV(OPTION, E6800, 0),
355 	U3G_DEV(OPTION, E7021, 0),
356 	U3G_DEV(OPTION, E7041, 0),
357 	U3G_DEV(OPTION, E7061, 0),
358 	U3G_DEV(OPTION, E7100, 0),
359 	U3G_DEV(OPTION, GE40X, 0),
360 	U3G_DEV(OPTION, GT3G, 0),
361 	U3G_DEV(OPTION, GT3GPLUS, 0),
362 	U3G_DEV(OPTION, GT3GQUAD, 0),
363 	U3G_DEV(OPTION, GT3G_1, 0),
364 	U3G_DEV(OPTION, GT3G_2, 0),
365 	U3G_DEV(OPTION, GT3G_3, 0),
366 	U3G_DEV(OPTION, GT3G_4, 0),
367 	U3G_DEV(OPTION, GT3G_5, 0),
368 	U3G_DEV(OPTION, GT3G_6, 0),
369 	U3G_DEV(OPTION, GTHSDPA, 0),
370 	U3G_DEV(OPTION, GTM380, 0),
371 	U3G_DEV(OPTION, GTMAX36, 0),
372 	U3G_DEV(OPTION, GTMAX380HSUPAE, 0),
373 	U3G_DEV(OPTION, GTMAXHSUPA, 0),
374 	U3G_DEV(OPTION, GTMAXHSUPAE, 0),
375 	U3G_DEV(OPTION, VODAFONEMC3G, 0),
376 	U3G_DEV(QISDA, H20_1, 0),
377 	U3G_DEV(QISDA, H20_2, 0),
378 	U3G_DEV(QISDA, H21_1, 0),
379 	U3G_DEV(QISDA, H21_2, 0),
380 	U3G_DEV(QUALCOMM, NTT_L02C_MODEM, U3GINIT_SCSIEJECT),
381 	U3G_DEV(QUALCOMM2, AC8700, 0),
382 	U3G_DEV(QUALCOMM2, MF330, 0),
383 	U3G_DEV(QUALCOMM2, SIM5218, 0),
384 	U3G_DEV(QUALCOMM2, WM620, 0),
385 	U3G_DEV(QUALCOMM2, VW110L, U3GINIT_SCSIEJECT),
386 	U3G_DEV(QUALCOMM2, GOBI2000_QDL, 0),
387 	U3G_DEV(QUALCOMM2, GOBI2000, 0),
388 	U3G_DEV(QUALCOMM2, VT80N, 0),
389 	U3G_DEV(QUALCOMM3, VFAST2, 0),
390 	U3G_DEV(QUALCOMMINC, AC2726, 0),
391 	U3G_DEV(QUALCOMMINC, AC682_INIT, U3GINIT_SCSIEJECT),
392 	U3G_DEV(QUALCOMMINC, AC682, 0),
393 	U3G_DEV(QUALCOMMINC, AC8700, 0),
394 	U3G_DEV(QUALCOMMINC, AC8710, 0),
395 	U3G_DEV(QUALCOMMINC, CDMA_MSM, U3GINIT_SCSIEJECT),
396 	U3G_DEV(QUALCOMMINC, E0002, 0),
397 	U3G_DEV(QUALCOMMINC, E0003, 0),
398 	U3G_DEV(QUALCOMMINC, E0004, 0),
399 	U3G_DEV(QUALCOMMINC, E0005, 0),
400 	U3G_DEV(QUALCOMMINC, E0006, 0),
401 	U3G_DEV(QUALCOMMINC, E0007, 0),
402 	U3G_DEV(QUALCOMMINC, E0008, 0),
403 	U3G_DEV(QUALCOMMINC, E0009, 0),
404 	U3G_DEV(QUALCOMMINC, E000A, 0),
405 	U3G_DEV(QUALCOMMINC, E000B, 0),
406 	U3G_DEV(QUALCOMMINC, E000C, 0),
407 	U3G_DEV(QUALCOMMINC, E000D, 0),
408 	U3G_DEV(QUALCOMMINC, E000E, 0),
409 	U3G_DEV(QUALCOMMINC, E000F, 0),
410 	U3G_DEV(QUALCOMMINC, E0010, 0),
411 	U3G_DEV(QUALCOMMINC, E0011, 0),
412 	U3G_DEV(QUALCOMMINC, E0012, 0),
413 	U3G_DEV(QUALCOMMINC, E0013, 0),
414 	U3G_DEV(QUALCOMMINC, E0014, 0),
415 	U3G_DEV(QUALCOMMINC, E0017, 0),
416 	U3G_DEV(QUALCOMMINC, E0018, 0),
417 	U3G_DEV(QUALCOMMINC, E0019, 0),
418 	U3G_DEV(QUALCOMMINC, E0020, 0),
419 	U3G_DEV(QUALCOMMINC, E0021, 0),
420 	U3G_DEV(QUALCOMMINC, E0022, 0),
421 	U3G_DEV(QUALCOMMINC, E0023, 0),
422 	U3G_DEV(QUALCOMMINC, E0024, 0),
423 	U3G_DEV(QUALCOMMINC, E0025, 0),
424 	U3G_DEV(QUALCOMMINC, E0026, 0),
425 	U3G_DEV(QUALCOMMINC, E0027, 0),
426 	U3G_DEV(QUALCOMMINC, E0028, 0),
427 	U3G_DEV(QUALCOMMINC, E0029, 0),
428 	U3G_DEV(QUALCOMMINC, E0030, 0),
429 	U3G_DEV(QUALCOMMINC, E0032, 0),
430 	U3G_DEV(QUALCOMMINC, E0033, 0),
431 	U3G_DEV(QUALCOMMINC, E0037, 0),
432 	U3G_DEV(QUALCOMMINC, E0039, 0),
433 	U3G_DEV(QUALCOMMINC, E0042, 0),
434 	U3G_DEV(QUALCOMMINC, E0043, 0),
435 	U3G_DEV(QUALCOMMINC, E0048, 0),
436 	U3G_DEV(QUALCOMMINC, E0049, 0),
437 	U3G_DEV(QUALCOMMINC, E0051, 0),
438 	U3G_DEV(QUALCOMMINC, E0052, 0),
439 	U3G_DEV(QUALCOMMINC, E0054, 0),
440 	U3G_DEV(QUALCOMMINC, E0055, 0),
441 	U3G_DEV(QUALCOMMINC, E0057, 0),
442 	U3G_DEV(QUALCOMMINC, E0058, 0),
443 	U3G_DEV(QUALCOMMINC, E0059, 0),
444 	U3G_DEV(QUALCOMMINC, E0060, 0),
445 	U3G_DEV(QUALCOMMINC, E0061, 0),
446 	U3G_DEV(QUALCOMMINC, E0062, 0),
447 	U3G_DEV(QUALCOMMINC, E0063, 0),
448 	U3G_DEV(QUALCOMMINC, E0064, 0),
449 	U3G_DEV(QUALCOMMINC, E0066, 0),
450 	U3G_DEV(QUALCOMMINC, E0069, 0),
451 	U3G_DEV(QUALCOMMINC, E0070, 0),
452 	U3G_DEV(QUALCOMMINC, E0073, 0),
453 	U3G_DEV(QUALCOMMINC, E0076, 0),
454 	U3G_DEV(QUALCOMMINC, E0078, 0),
455 	U3G_DEV(QUALCOMMINC, E0082, 0),
456 	U3G_DEV(QUALCOMMINC, E0086, 0),
457 	U3G_DEV(QUALCOMMINC, SURFSTICK, 0),
458 	U3G_DEV(QUALCOMMINC, E2002, 0),
459 	U3G_DEV(QUALCOMMINC, E2003, 0),
460 	U3G_DEV(QUALCOMMINC, K3772_Z, 0),
461 	U3G_DEV(QUALCOMMINC, K3772_Z_INIT, U3GINIT_SCSIEJECT),
462 	U3G_DEV(QUALCOMMINC, MF112, U3GINIT_ZTESTOR),
463 	U3G_DEV(QUALCOMMINC, MF195E, 0),
464 	U3G_DEV(QUALCOMMINC, MF195E_INIT, U3GINIT_SCSIEJECT),
465 	U3G_DEV(QUALCOMMINC, MF626, 0),
466 	U3G_DEV(QUALCOMMINC, MF628, 0),
467 	U3G_DEV(QUALCOMMINC, MF633R, 0),
468 	/* the following is a RNDIS device, no modem features */
469 	U3G_DEV(QUALCOMMINC, ZTE_MF730M, U3GINIT_SCSIEJECT),
470 	U3G_DEV(QUANTA, GKE, 0),
471 	U3G_DEV(QUANTA, GLE, 0),
472 	U3G_DEV(QUANTA, GLX, 0),
473 	U3G_DEV(QUANTA, Q101, 0),
474 	U3G_DEV(QUANTA, Q111, 0),
475 	U3G_DEV(QUECTEL, EC25, 0),
476 	U3G_DEV(QUECTEL, EC200T, 0),
477 	U3G_DEV(SIERRA, AC402, 0),
478 	U3G_DEV(SIERRA, AC595U, 0),
479 	U3G_DEV(SIERRA, AC313U, 0),
480 	U3G_DEV(SIERRA, AC597E, 0),
481 	U3G_DEV(SIERRA, AC875, 0),
482 	U3G_DEV(SIERRA, AC875E, 0),
483 	U3G_DEV(SIERRA, AC875U, 0),
484 	U3G_DEV(SIERRA, AC875U_2, 0),
485 	U3G_DEV(SIERRA, AC880, 0),
486 	U3G_DEV(SIERRA, AC880E, 0),
487 	U3G_DEV(SIERRA, AC880U, 0),
488 	U3G_DEV(SIERRA, AC881, 0),
489 	U3G_DEV(SIERRA, AC881E, 0),
490 	U3G_DEV(SIERRA, AC881U, 0),
491 	U3G_DEV(SIERRA, AC885E, 0),
492 	U3G_DEV(SIERRA, AC885E_2, 0),
493 	U3G_DEV(SIERRA, AC885U, 0),
494 	U3G_DEV(SIERRA, AIRCARD580, 0),
495 	U3G_DEV(SIERRA, AIRCARD595, 0),
496 	U3G_DEV(SIERRA, C22, 0),
497 	U3G_DEV(SIERRA, C597, 0),
498 	U3G_DEV(SIERRA, C888, 0),
499 	U3G_DEV(SIERRA, E0029, 0),
500 	U3G_DEV(SIERRA, E6892, 0),
501 	U3G_DEV(SIERRA, E6893, 0),
502 	U3G_DEV(SIERRA, EM5625, 0),
503 	U3G_DEV(SIERRA, EM5725, 0),
504 	U3G_DEV(SIERRA, MC5720, 0),
505 	U3G_DEV(SIERRA, MC5720_2, 0),
506 	U3G_DEV(SIERRA, MC5725, 0),
507 	U3G_DEV(SIERRA, MC5727, 0),
508 	U3G_DEV(SIERRA, MC5727_2, 0),
509 	U3G_DEV(SIERRA, MC5728, 0),
510 	U3G_DEV(SIERRA, MC7354, 0),
511 	U3G_DEV(SIERRA, MC7355, 0),
512 	U3G_DEV(SIERRA, MC7430, 0),
513 	U3G_DEV(SIERRA, MC8700, 0),
514 	U3G_DEV(SIERRA, MC8755, 0),
515 	U3G_DEV(SIERRA, MC8755_2, 0),
516 	U3G_DEV(SIERRA, MC8755_3, 0),
517 	U3G_DEV(SIERRA, MC8755_4, 0),
518 	U3G_DEV(SIERRA, MC8765, 0),
519 	U3G_DEV(SIERRA, MC8765_2, 0),
520 	U3G_DEV(SIERRA, MC8765_3, 0),
521 	U3G_DEV(SIERRA, MC8775, 0),
522 	U3G_DEV(SIERRA, MC8775_2, 0),
523 	U3G_DEV(SIERRA, MC8780, 0),
524 	U3G_DEV(SIERRA, MC8780_2, 0),
525 	U3G_DEV(SIERRA, MC8780_3, 0),
526 	U3G_DEV(SIERRA, MC8781, 0),
527 	U3G_DEV(SIERRA, MC8781_2, 0),
528 	U3G_DEV(SIERRA, MC8781_3, 0),
529 	U3G_DEV(SIERRA, MC8785, 0),
530 	U3G_DEV(SIERRA, MC8785_2, 0),
531 	U3G_DEV(SIERRA, MC8790, 0),
532 	U3G_DEV(SIERRA, MC8791, 0),
533 	U3G_DEV(SIERRA, MC8792, 0),
534 	U3G_DEV(SIERRA, MINI5725, 0),
535 	U3G_DEV(SIERRA, T11, 0),
536 	U3G_DEV(SIERRA, T598, 0),
537 	U3G_DEV(SILABS, SAEL, U3GINIT_SAEL_M460),
538 	U3G_DEV(STELERA, C105, 0),
539 	U3G_DEV(STELERA, E1003, 0),
540 	U3G_DEV(STELERA, E1004, 0),
541 	U3G_DEV(STELERA, E1005, 0),
542 	U3G_DEV(STELERA, E1006, 0),
543 	U3G_DEV(STELERA, E1007, 0),
544 	U3G_DEV(STELERA, E1008, 0),
545 	U3G_DEV(STELERA, E1009, 0),
546 	U3G_DEV(STELERA, E100A, 0),
547 	U3G_DEV(STELERA, E100B, 0),
548 	U3G_DEV(STELERA, E100C, 0),
549 	U3G_DEV(STELERA, E100D, 0),
550 	U3G_DEV(STELERA, E100E, 0),
551 	U3G_DEV(STELERA, E100F, 0),
552 	U3G_DEV(STELERA, E1010, 0),
553 	U3G_DEV(STELERA, E1011, 0),
554 	U3G_DEV(STELERA, E1012, 0),
555 	U3G_DEV(TCTMOBILE, X060S, 0),
556 	U3G_DEV(TCTMOBILE, X080S, U3GINIT_TCT),
557 	U3G_DEV(TELIT, UC864E, 0),
558 	U3G_DEV(TELIT, UC864G, 0),
559 	U3G_DEV(TLAYTECH, TEU800, 0),
560 	U3G_DEV(TOSHIBA, G450, 0),
561 	U3G_DEV(TOSHIBA, HSDPA, 0),
562 	U3G_DEV(YISO, C893, 0),
563 	U3G_DEV(WETELECOM, WM_D200, 0),
564 	/* Autoinstallers */
565 	U3G_DEV(NOVATEL, ZEROCD, U3GINIT_SCSIEJECT),
566 	U3G_DEV(OPTION, GTICON322, U3GINIT_REZERO),
567 	U3G_DEV(QUALCOMMINC, ZTE_STOR, U3GINIT_ZTESTOR),
568 	U3G_DEV(QUALCOMMINC, ZTE_STOR2, U3GINIT_SCSIEJECT),
569 	U3G_DEV(QUANTA, Q101_STOR, U3GINIT_SCSIEJECT),
570 	U3G_DEV(SIERRA, TRUINSTALL, U3GINIT_SIERRA),
571 #undef	U3G_DEV
572 };
573 
574 static void
u3g_sael_m460_init(struct usb_device * udev)575 u3g_sael_m460_init(struct usb_device *udev)
576 {
577 	static const uint8_t setup[][24] = {
578 	     { 0x41, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
579 	     { 0x41, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 },
580 	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
581 	       0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00,
582 	       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
583 	     { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02 },
584 	     { 0xc1, 0x08, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00 },
585 	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
586 	     { 0xc1, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 },
587 	     { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
588 	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
589 	     { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
590 	     { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
591 	       0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
592 	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
593 	       0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
594 	       0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
595 	     { 0x41, 0x12, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 },
596 	     { 0x41, 0x01, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00 },
597 	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
598 	     { 0x41, 0x03, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00 },
599 	     { 0x41, 0x19, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
600 	       0x00, 0x00, 0x00, 0x00, 0x11, 0x13 },
601 	     { 0x41, 0x13, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00,
602 	       0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00,
603 	       0x0a, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00 },
604 	     { 0x41, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 },
605 	};
606 
607 	struct usb_device_request req;
608 	usb_error_t err;
609 	uint16_t len;
610 	uint8_t buf[0x300];
611 	uint8_t n;
612 
613 	DPRINTFN(1, "\n");
614 
615 	if (usbd_req_set_alt_interface_no(udev, NULL, 0, 0)) {
616 		DPRINTFN(0, "Alt setting 0 failed\n");
617 		return;
618 	}
619 
620 	for (n = 0; n != (sizeof(setup) / sizeof(setup[0])); n++) {
621 		(void)memcpy_s(&req, sizeof(req), setup[n], sizeof(req));
622 
623 		len = UGETW(req.wLength);
624 		if (req.bmRequestType & UE_DIR_IN) {
625 			if (len > sizeof(buf)) {
626 				DPRINTFN(0, "too small buffer\n");
627 				continue;
628 			}
629 			err = usbd_do_request(udev, NULL, &req, buf);
630 		} else {
631 			if (len > (sizeof(setup[0]) - 8)) {
632 				DPRINTFN(0, "too small buffer\n");
633 				continue;
634 			}
635 			err = usbd_do_request(udev, NULL, &req,
636 			    __DECONST(uint8_t *, &setup[n][8]));
637 		}
638 		if (err) {
639 			DPRINTFN(1, "request %u failed\n",
640 			    (unsigned int)n);
641 			/*
642 			 * Some of the requests will fail. Stop doing
643 			 * requests when we are getting timeouts so
644 			 * that we don't block the explore/attach
645 			 * thread forever.
646 			 */
647 			if (err == USB_ERR_TIMEOUT)
648 				break;
649 		}
650 	}
651 }
652 
653 static int
u3g_probe(device_t self)654 u3g_probe(device_t self)
655 {
656 	struct usb_attach_arg *uaa = (struct usb_attach_arg *)device_get_ivars(self);
657 
658 	if (uaa->usb_mode != USB_MODE_HOST) {
659 		return (ENXIO);
660 	}
661 
662 	if (uaa->info.bInterfaceClass != UICLASS_VENDOR) {
663 		return (ENXIO);
664 	}
665 	return (usbd_lookup_id_by_uaa(u3g_devs, sizeof(u3g_devs), uaa));
666 }
667 
668 static int
u3g_attach(device_t dev)669 u3g_attach(device_t dev)
670 {
671 	struct usb_config u3g_config_tmp[U3G_N_TRANSFER];
672 	struct usb_attach_arg *uaa = (struct usb_attach_arg *)device_get_ivars(dev);
673 	struct u3g_softc *sc = (struct u3g_softc *)device_get_softc(dev);
674 	struct usb_interface *iface;
675 	struct usb_interface_descriptor *id;
676 	uint32_t iface_valid;
677 	int error, type, nports;
678 	int ep, n;
679 	uint8_t i;
680 
681 	DPRINTF("sc=%p\n", sc);
682 
683 	type = USB_GET_DRIVER_INFO(uaa);
684 	if (type == U3GINIT_SAEL_M460
685 		|| usb_test_quirk(uaa, UQ_MSC_EJECT_SAEL_M460)) {
686 		u3g_sael_m460_init(uaa->device);
687 	}
688 
689 	/* copy in USB config */
690 	for (n = 0; n != U3G_N_TRANSFER; n++)
691 		u3g_config_tmp[n] = u3g_config[n];
692 
693 	device_set_usb_desc(dev);
694 	mtx_init(&sc->sc_mtx, "u3g", NULL, MTX_DEF);
695 	ucom_ref(&sc->sc_super_ucom);
696 
697 	sc->sc_udev = uaa->device;
698 
699 	/* Claim all interfaces on the device */
700 	iface_valid = 0;
701 	for (i = uaa->info.bIfaceIndex; i < USB_IFACE_MAX; i++) {
702 		iface = usbd_get_iface(uaa->device, i);
703 		if (iface == NULL)
704 			break;
705 		id = usbd_get_interface_descriptor(iface);
706 		if (id == NULL || id->bInterfaceClass != UICLASS_VENDOR)
707 			continue;
708 		usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
709 		iface_valid |= (1<<i);
710 	}
711 
712 	i = 0;		/* interface index */
713 	ep = 0;		/* endpoint index */
714 	nports = 0;	/* number of ports */
715 	while (i < USB_IFACE_MAX) {
716 		if ((iface_valid & (1<<i)) == 0) {
717 			i++;
718 			continue;
719 		}
720 
721 		/* update BULK endpoint index */
722 		for (n = 0; n < U3G_N_TRANSFER; n++)
723 			u3g_config_tmp[n].ep_index = ep;
724 
725 		/* try to allocate a set of BULK endpoints */
726 		error = usbd_transfer_setup(uaa->device, &i,
727 		    sc->sc_xfer[nports], u3g_config_tmp, U3G_N_TRANSFER,
728 		    &sc->sc_ucom[nports], &sc->sc_mtx);
729 		if (error) {
730 			/* next interface */
731 			i++;
732 			ep = 0;
733 			continue;
734 		}
735 
736 		iface = usbd_get_iface(uaa->device, i);
737 		id = usbd_get_interface_descriptor(iface);
738 		sc->sc_iface[nports] = id->bInterfaceNumber;
739 
740 		nports++;	/* found one port */
741 		ep++;
742 		if (nports == U3G_MAXPORTS)
743 			break;
744 	}
745 	if (nports == 0) {
746 		device_printf(dev, "no ports found\n");
747 		goto detach;
748 	}
749 	sc->sc_numports = nports;
750 
751 	error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom,
752 		sc->sc_numports, sc, &u3g_callback, &sc->sc_mtx);
753 	if (error) {
754 		DPRINTF("ucom_attach failed\n");
755 		goto detach;
756 	}
757 
758 	ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
759 	device_printf(dev, "Found %u port%s.\n", sc->sc_numports,
760 	    sc->sc_numports > 1 ? "s":"");
761 
762 	return (0);
763 
764 detach:
765 	(void)u3g_detach(dev);
766 	return (ENXIO);
767 }
768 
769 static int
u3g_detach(device_t dev)770 u3g_detach(device_t dev)
771 {
772 	struct u3g_softc *sc = (struct u3g_softc *)device_get_softc(dev);
773 	uint8_t subunit;
774 
775 	DPRINTF("sc=%p\n", sc);
776 
777 	/* NOTE: It is not dangerous to detach more ports than attached! */
778 	ucom_detach(&sc->sc_super_ucom, sc->sc_ucom);
779 
780 	for (subunit = 0; subunit != U3G_MAXPORTS; subunit++)
781 		usbd_transfer_unsetup(sc->sc_xfer[subunit], U3G_N_TRANSFER);
782 
783 	if (ucom_unref(&sc->sc_super_ucom)) {
784 		mtx_destroy(&sc->sc_mtx);
785 	}
786 
787 	return (0);
788 }
789 
790 static void
u3g_free_softc(struct u3g_softc * sc)791 u3g_free_softc(struct u3g_softc *sc)
792 {
793 	if (ucom_unref(&sc->sc_super_ucom)) {
794 		mtx_destroy(&sc->sc_mtx);
795 		free(sc);
796 	}
797 }
798 
799 static void
u3g_free(struct ucom_softc * ucom)800 u3g_free(struct ucom_softc *ucom)
801 {
802 	u3g_free_softc((struct u3g_softc *)ucom->sc_parent);
803 }
804 
805 static void
u3g_start_read(struct ucom_softc * ucom)806 u3g_start_read(struct ucom_softc *ucom)
807 {
808 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
809 
810 	/* start interrupt endpoint (if configured) */
811 	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_INTR]);
812 
813 	/* start read endpoint */
814 	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]);
815 }
816 
817 static void
u3g_stop_read(struct ucom_softc * ucom)818 u3g_stop_read(struct ucom_softc *ucom)
819 {
820 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
821 
822 	/* stop interrupt endpoint (if configured) */
823 	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_INTR]);
824 
825 	/* stop read endpoint */
826 	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_RD]);
827 }
828 
829 static void
u3g_start_write(struct ucom_softc * ucom)830 u3g_start_write(struct ucom_softc *ucom)
831 {
832 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
833 
834 	usbd_transfer_start(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]);
835 }
836 
837 static void
u3g_stop_write(struct ucom_softc * ucom)838 u3g_stop_write(struct ucom_softc *ucom)
839 {
840 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
841 
842 	usbd_transfer_stop(sc->sc_xfer[ucom->sc_subunit][U3G_BULK_WR]);
843 }
844 
845 static void
u3g_write_callback(struct usb_xfer * xfer,usb_error_t error)846 u3g_write_callback(struct usb_xfer *xfer, usb_error_t error)
847 {
848 	struct ucom_softc *ucom = (struct ucom_softc *)usbd_xfer_softc(xfer);
849 	struct usb_page_cache *pc;
850 	uint32_t actlen;
851 	uint32_t frame;
852 
853 	ucom_handler_item_s *p_u3g_write_handler;
854 	static uint32_t writelen;
855 
856 	DPRINTFN(1, "\n");
857 
858 	switch (USB_GET_STATE(xfer)) {
859 	case USB_ST_TRANSFERRED:
860 
861 		p_u3g_write_handler = (ucom_handler_item_s *)LOS_MemboxAlloc(m_auc_tty_usb_handler_pool);
862 		if (p_u3g_write_handler != NULL) {
863 			p_u3g_write_handler->length = writelen;
864 			if (LOS_QueueWrite(m_uw_tty_usb_handler_queue, p_u3g_write_handler,
865 							    sizeof(UINT32), LOS_NO_WAIT)) {
866 				(VOID)LOS_MemboxFree(m_auc_tty_usb_handler_pool, p_u3g_write_handler);
867 			}
868 		}
869 
870 	case USB_ST_SETUP:
871 tr_setup:
872 		for (frame = 0; frame != U3G_TXFRAMES; frame++) {
873 			usbd_xfer_set_frame_offset(xfer, frame * U3G_TXSIZE, frame);
874 
875 			pc = usbd_xfer_get_frame(xfer, frame);
876 			if (ucom_get_data(ucom, pc, 0, U3G_TXSIZE, &actlen) == 0)
877 				break;
878 
879 			usbd_xfer_set_frame_len(xfer, frame, actlen);
880 			writelen = actlen;
881 		}
882 		if (frame != 0) {
883 			usbd_xfer_set_frames(xfer, frame);
884 			usbd_transfer_submit(xfer);
885 		}
886 		break;
887 
888 	default:			/* Error */
889 		if (error != USB_ERR_CANCELLED) {
890 			/* do a builtin clear-stall */
891 			usbd_xfer_set_stall(xfer);
892 			goto tr_setup;
893 		}
894 		break;
895 	}
896 }
897 
898 static void
u3g_read_callback(struct usb_xfer * xfer,usb_error_t error)899 u3g_read_callback(struct usb_xfer *xfer, usb_error_t error)
900 {
901 	struct ucom_softc *ucom = (struct ucom_softc *)usbd_xfer_softc(xfer);
902 	struct usb_page_cache *pc;
903 	int actlen;
904 
905 	DPRINTFN(1, "\n");
906 
907 	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
908 
909 	switch (USB_GET_STATE(xfer)) {
910 	case USB_ST_TRANSFERRED:
911 		pc = usbd_xfer_get_frame(xfer, 0);
912 		ucom_put_data(ucom, pc, 0, actlen);
913 
914 	case USB_ST_SETUP:
915 tr_setup:
916 		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
917 		usbd_transfer_submit(xfer);
918 		break;
919 
920 	default:			/* Error */
921 		if (error != USB_ERR_CANCELLED) {
922 			/* do a builtin clear-stall */
923 			usbd_xfer_set_stall(xfer);
924 			goto tr_setup;
925 		}
926 		break;
927 	}
928 }
929 
930 static void
u3g_cfg_get_status(struct ucom_softc * ucom,uint8_t * lsr,uint8_t * msr)931 u3g_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
932 {
933 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
934 
935 	*lsr = sc->sc_lsr[ucom->sc_subunit];
936 	*msr = sc->sc_msr[ucom->sc_subunit];
937 }
938 
939 static void
u3g_cfg_set_line(struct ucom_softc * ucom)940 u3g_cfg_set_line(struct ucom_softc *ucom)
941 {
942 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
943 	struct usb_device_request req;
944 
945 	req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
946 	req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
947 	USETW(req.wValue, sc->sc_line[ucom->sc_subunit]);
948 	req.wIndex[0] = sc->sc_iface[ucom->sc_subunit];
949 	req.wIndex[1] = 0;
950 	req.wLength[0] = 0;
951 	req.wLength[1] = 0;
952 
953 	(void)ucom_cfg_do_request(sc->sc_udev, ucom,
954 		&req, NULL, 0, 1000);
955 }
956 
957 static void
u3g_cfg_set_dtr(struct ucom_softc * ucom,uint8_t onoff)958 u3g_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
959 {
960 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
961 
962 	DPRINTF("onoff = %d\n", onoff);
963 
964 	if (onoff)
965 		sc->sc_line[ucom->sc_subunit] |= UCDC_LINE_DTR;
966 	else
967 		sc->sc_line[ucom->sc_subunit] &= ~UCDC_LINE_DTR;
968 
969 	u3g_cfg_set_line(ucom);
970 }
971 
972 static void
u3g_cfg_set_rts(struct ucom_softc * ucom,uint8_t onoff)973 u3g_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
974 {
975 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
976 
977 	DPRINTF("onoff = %d\n", onoff);
978 
979 	if (onoff)
980 		sc->sc_line[ucom->sc_subunit] |= UCDC_LINE_RTS;
981 	else
982 		sc->sc_line[ucom->sc_subunit] &= ~UCDC_LINE_RTS;
983 
984 	u3g_cfg_set_line(ucom);
985 }
986 
987 static void
u3g_intr_callback(struct usb_xfer * xfer,usb_error_t error)988 u3g_intr_callback(struct usb_xfer *xfer, usb_error_t error)
989 {
990 	struct ucom_softc *ucom = (struct ucom_softc *)usbd_xfer_softc(xfer);
991 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
992 	struct usb_page_cache *pc;
993 	struct usb_cdc_notification pkt;
994 	int actlen;
995 	uint16_t wLen;
996 	uint8_t mstatus;
997 	int i;
998 
999 	DPRINTFN(1, "\n");
1000 
1001 	usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
1002 
1003 	switch (USB_GET_STATE(xfer)) {
1004 	case USB_ST_TRANSFERRED:
1005 		if (actlen < 8) {	/* usb_cdc_notification with 2 data bytes */
1006 			DPRINTF("message too short (expected 8, received %d)\n", actlen);
1007 			goto tr_setup;
1008 		}
1009 		pc = usbd_xfer_get_frame(xfer, 0);
1010 		usbd_copy_out(pc, 0, &pkt, actlen);
1011 
1012 		PRINTK("read intr data start -->\n\n");
1013 		for (i=0; i<actlen; i++) {
1014 			PRINTK("[0x%x]  ", *((char*)pc->buffer+i));
1015 		}
1016 		PRINTK("\nread intr data end -->\n\n");
1017 
1018 		wLen = UGETW(pkt.wLength);
1019 		if (wLen < 2) {
1020 			DPRINTF("message too short (expected 2 data bytes, received %d)\n", wLen);
1021 			goto tr_setup;
1022 		}
1023 
1024 		if (pkt.bmRequestType == UCDC_NOTIFICATION
1025 		    && pkt.bNotification == UCDC_N_SERIAL_STATE) {
1026 			/*
1027 		     * Set the serial state in ucom driver based on
1028 		     * the bits from the notify message
1029 		     */
1030 			DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
1031 			    pkt.data[0], pkt.data[1]);
1032 
1033 			/* currently, lsr is always zero. */
1034 			sc->sc_lsr[ucom->sc_subunit] = 0;
1035 			sc->sc_msr[ucom->sc_subunit] = 0;
1036 
1037 			mstatus = pkt.data[0];
1038 
1039 			if (mstatus & UCDC_N_SERIAL_RI)
1040 				sc->sc_msr[ucom->sc_subunit] |= SER_RI;
1041 			if (mstatus & UCDC_N_SERIAL_DSR)
1042 				sc->sc_msr[ucom->sc_subunit] |= SER_DSR;
1043 			if (mstatus & UCDC_N_SERIAL_DCD)
1044 				sc->sc_msr[ucom->sc_subunit] |= SER_DCD;
1045 			ucom_status_change(ucom);
1046 		}
1047 
1048 	case USB_ST_SETUP:
1049 tr_setup:
1050 		usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
1051 		usbd_transfer_submit(xfer);
1052 		return;
1053 
1054 	default:			/* Error */
1055 		if (error != USB_ERR_CANCELLED) {
1056 			/* try to clear stall first */
1057 			usbd_xfer_set_stall(xfer);
1058 			goto tr_setup;
1059 		}
1060 		return;
1061 	}
1062 }
1063 
1064 static void
u3g_poll(struct ucom_softc * ucom)1065 u3g_poll(struct ucom_softc *ucom)
1066 {
1067 	struct u3g_softc *sc = (struct u3g_softc *)ucom->sc_parent;
1068 	usbd_transfer_poll(sc->sc_xfer[ucom->sc_subunit], U3G_N_TRANSFER);
1069 }
1070 
1071 #undef USB_DEBUG_VAR
1072