xref: /openbsd-src/sys/dev/usb/umsm.c (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1 /*	$OpenBSD: umsm.c,v 1.106 2016/06/01 13:20:01 chris Exp $	*/
2 
3 /*
4  * Copyright (c) 2008 Yojiro UO <yuo@nui.org>
5  * Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
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 /* Driver for Qualcomm MSM EVDO and UMTS communication devices */
21 
22 #include <sys/param.h>
23 #include <sys/systm.h>
24 #include <sys/kernel.h>
25 #include <sys/malloc.h>
26 #include <sys/device.h>
27 #include <sys/conf.h>
28 #include <sys/tty.h>
29 
30 #include <dev/usb/usb.h>
31 #include <dev/usb/usbdi.h>
32 #include <dev/usb/usbdevs.h>
33 #include <dev/usb/ucomvar.h>
34 #include <dev/usb/usbcdc.h>
35 #include <dev/usb/umassvar.h>
36 #undef DPRINTF	/* undef DPRINTF for umass */
37 
38 #ifdef UMSM_DEBUG
39 int     umsmdebug = 0;
40 #define DPRINTFN(n, x)  do { if (umsmdebug > (n)) printf x; } while (0)
41 #else
42 #define DPRINTFN(n, x)
43 #endif
44 
45 #define DPRINTF(x) DPRINTFN(0, x)
46 
47 #define UMSMBUFSZ	4096
48 #define	UMSM_INTR_INTERVAL	100	/* ms */
49 #define E220_MODE_CHANGE_REQUEST 0x2
50 #define TRUINSTALL_CHANGEMODE_REQUEST 0x0b
51 
52 int umsm_match(struct device *, void *, void *);
53 void umsm_attach(struct device *, struct device *, void *);
54 int umsm_detach(struct device *, int);
55 
56 int umsm_open(void *, int);
57 void umsm_close(void *, int);
58 void umsm_intr(struct usbd_xfer *, void *, usbd_status);
59 void umsm_get_status(void *, int, u_char *, u_char *);
60 void umsm_set(void *, int, int, int);
61 
62 struct umsm_softc {
63 	struct device		 sc_dev;
64 	struct usbd_device	*sc_udev;
65 	struct usbd_interface	*sc_iface;
66 	int			 sc_iface_no;
67 	struct device		*sc_subdev;
68 	uint16_t		 sc_flag;
69 
70 	/* interrupt ep */
71 	int			 sc_intr_number;
72 	struct usbd_pipe	*sc_intr_pipe;
73 	u_char			*sc_intr_buf;
74 	int			 sc_isize;
75 
76 	u_char			 sc_lsr;	/* Local status register */
77 	u_char			 sc_msr;	/* status register */
78 	u_char			 sc_dtr;	/* current DTR state */
79 	u_char			 sc_rts;	/* current RTS state */
80 };
81 
82 usbd_status umsm_huawei_changemode(struct usbd_device *);
83 usbd_status umsm_truinstall_changemode(struct usbd_device *);
84 usbd_status umsm_umass_changemode(struct umsm_softc *);
85 
86 struct ucom_methods umsm_methods = {
87 	umsm_get_status,
88 	umsm_set,
89 	NULL,
90 	NULL,
91 	umsm_open,
92 	umsm_close,
93 	NULL,
94 	NULL,
95 };
96 
97 struct umsm_type {
98 	struct usb_devno	umsm_dev;
99 	uint16_t		umsm_flag;
100 /* device type */
101 #define	DEV_NORMAL	0x0000
102 #define	DEV_HUAWEI	0x0001
103 #define	DEV_TRUINSTALL	0x0002
104 #define	DEV_UMASS1	0x0010
105 #define	DEV_UMASS2	0x0020
106 #define	DEV_UMASS3	0x0040
107 #define	DEV_UMASS4	0x0080
108 #define	DEV_UMASS5	0x0100
109 #define	DEV_UMASS6	0x0200
110 #define	DEV_UMASS7	0x0400
111 #define	DEV_UMASS8	0x1000
112 #define DEV_UMASS	(DEV_UMASS1 | DEV_UMASS2 | DEV_UMASS3 | DEV_UMASS4 | \
113     DEV_UMASS5 | DEV_UMASS6 | DEV_UMASS7 | DEV_UMASS8)
114 };
115 
116 static const struct umsm_type umsm_devs[] = {
117 	{{ USB_VENDOR_AIRPRIME,	USB_PRODUCT_AIRPRIME_PC5220 }, 0},
118 	{{ USB_VENDOR_AIRPRIME, USB_PRODUCT_AIRPRIME_AIRCARD_313U }, 0},
119 
120 	{{ USB_VENDOR_ANYDATA,	USB_PRODUCT_ANYDATA_A2502 }, 0},
121 	{{ USB_VENDOR_ANYDATA,	USB_PRODUCT_ANYDATA_ADU_500A }, 0},
122 	{{ USB_VENDOR_ANYDATA,  USB_PRODUCT_ANYDATA_ADU_E100H }, 0},
123 
124 	{{ USB_VENDOR_DELL,	USB_PRODUCT_DELL_EU870D }, 0},
125 	{{ USB_VENDOR_DELL,	USB_PRODUCT_DELL_U740 }, 0},
126 	{{ USB_VENDOR_DELL,	USB_PRODUCT_DELL_W5500 }, 0},
127 
128 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E161 }, DEV_UMASS5},
129 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E173S_INIT }, DEV_UMASS5},
130 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E173S }, 0},
131 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E180 }, DEV_HUAWEI},
132 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E181 }, DEV_HUAWEI},
133 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E182 }, DEV_UMASS5},
134 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E1820 }, DEV_UMASS5},
135 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E220 }, DEV_HUAWEI},
136 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E303 }, DEV_UMASS5},
137 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E353_INIT }, DEV_UMASS5},
138 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E510 }, DEV_HUAWEI},
139 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E618 }, DEV_HUAWEI},
140 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E392_INIT }, DEV_UMASS5},
141 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_EM770W }, 0},
142 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_Mobile }, DEV_HUAWEI},
143 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_K3765_INIT }, DEV_UMASS5},
144 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_K3765 }, 0},
145 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_MU609 }, DEV_TRUINSTALL},
146 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_K4510 }, DEV_UMASS5},
147 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_K4511 }, DEV_UMASS5},
148 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E1750 }, DEV_UMASS5},
149 	{{ USB_VENDOR_HUAWEI,	USB_PRODUCT_HUAWEI_E1752 }, 0},
150 
151 	{{ USB_VENDOR_HYUNDAI,	USB_PRODUCT_HYUNDAI_UM175 }, 0},
152 
153 	{{ USB_VENDOR_LONGCHEER, USB_PRODUCT_LONGCHEER_D21LCMASS }, DEV_UMASS3},
154 	{{ USB_VENDOR_LONGCHEER, USB_PRODUCT_LONGCHEER_D21LC }, 0},
155 	{{ USB_VENDOR_LONGCHEER, USB_PRODUCT_LONGCHEER_510FUMASS }, DEV_UMASS3},
156 	{{ USB_VENDOR_LONGCHEER, USB_PRODUCT_LONGCHEER_510FU }, 0},
157 
158 	{{ USB_VENDOR_KYOCERA2,	USB_PRODUCT_KYOCERA2_KPC650 }, 0},
159 
160 	{{ USB_VENDOR_MEDIATEK, USB_PRODUCT_MEDIATEK_UMASS }, DEV_UMASS8},
161 	{{ USB_VENDOR_MEDIATEK, USB_PRODUCT_MEDIATEK_DC_4COM }, 0},
162 
163 	/* XXX Some qualcomm devices are missing */
164 	{{ USB_VENDOR_QUALCOMM,	USB_PRODUCT_QUALCOMM_MSM_DRIVER }, DEV_UMASS1},
165 	{{ USB_VENDOR_QUALCOMM,	USB_PRODUCT_QUALCOMM_MSM_DRIVER2 }, DEV_UMASS4},
166 	{{ USB_VENDOR_QUALCOMM,	USB_PRODUCT_QUALCOMM_MSM_HSDPA }, 0},
167 	{{ USB_VENDOR_QUALCOMM,	USB_PRODUCT_QUALCOMM_MSM_HSDPA2 }, 0},
168 	{{ USB_VENDOR_QUALCOMM,	USB_PRODUCT_QUALCOMM_MSM_HSDPA3 }, 0},
169 
170 	{{ USB_VENDOR_QUANTA2, USB_PRODUCT_QUANTA2_UMASS }, DEV_UMASS4},
171 	{{ USB_VENDOR_QUANTA2, USB_PRODUCT_QUANTA2_Q101 }, 0},
172 
173 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_AC2746 }, 0},
174 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_UMASS_INSTALLER }, DEV_UMASS4},
175 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_UMASS_INSTALLER2 }, DEV_UMASS6},
176 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_UMASS_INSTALLER3 }, DEV_UMASS7},
177 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_UMASS_INSTALLER4 }, DEV_UMASS4},
178 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_K3565Z }, 0},
179 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_MF112 }, DEV_UMASS4},
180 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_MF633 }, 0},
181 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_MF637 }, 0},
182 	{{ USB_VENDOR_ZTE, USB_PRODUCT_ZTE_MSA110UP }, 0},
183 
184 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_EXPRESSCARD }, 0},
185 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINV620 }, 0},
186 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINV740 }, 0},
187 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V720 }, 0},
188 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINU740 }, 0},
189 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINU740_2 }, 0},
190 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U870 }, 0},
191 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_XU870 }, 0},
192 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_EU870D }, 0},
193 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_X950D }, 0},
194 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ES620 }, 0},
195 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U720 }, 0},
196 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U727 }, DEV_UMASS1},
197 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MC950D }, 0},
198 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINX950D }, DEV_UMASS4},
199 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ZEROCD2 }, DEV_UMASS4},
200 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U760 }, DEV_UMASS4},
201 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MC760 }, 0},
202 	{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MC760CD }, DEV_UMASS4},
203 
204 	{{ USB_VENDOR_NOVATEL1,	USB_PRODUCT_NOVATEL1_FLEXPACKGPS }, 0},
205 
206 	{{ USB_VENDOR_NOKIA2, USB_PRODUCT_NOKIA2_CS15UMASS }, DEV_UMASS4},
207 	{{ USB_VENDOR_NOKIA2, USB_PRODUCT_NOKIA2_CS15 }, 0},
208 
209 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GFUSION }, 0},
210 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GPLUS }, 0},
211 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUAD }, 0},
212 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUADPLUS }, 0},
213 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GSICON72 }, DEV_UMASS1},
214 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTHSDPA225 }, DEV_UMASS2},
215 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTHSUPA380E }, 0},
216 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTMAX36 }, 0},
217 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_SCORPION }, 0},
218 	{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_VODAFONEMC3G }, 0},
219 
220 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_EM5625 }, 0},
221 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720 }, 0},
222 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_595 }, 0},
223 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5725 }, 0},
224 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC597E }, 0},
225 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_C597 }, 0},
226 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC595U }, 0},
227 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_580 }, 0},
228 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720_2 }, 0},
229 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5725_2 }, 0},
230 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_2 }, 0},
231 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8765 }, 0},
232 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755 }, 0},
233 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8775 }, 0},
234 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_3 }, 0},
235 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8775_2 }, 0},
236 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_875 }, 0},
237 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8780 }, 0},
238 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8781 }, 0},
239 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8790 }, 0},
240 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880 }, 0},
241 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881 }, 0},
242 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880E }, 0},
243 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881E }, 0},
244 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880U }, 0},
245 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881U }, 0},
246 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC885U }, 0},
247 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_C01SW }, 0},
248 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_USB305}, 0},
249 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_TRUINSTALL }, DEV_TRUINSTALL},
250 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8355}, 0},
251 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_340U}, 0},
252 	{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_770S}, 0},
253 
254 	{{ USB_VENDOR_TCTMOBILE, USB_PRODUCT_TCTMOBILE_UMASS }, DEV_UMASS3},
255 	{{ USB_VENDOR_TCTMOBILE, USB_PRODUCT_TCTMOBILE_UMASS_2 }, DEV_UMASS3},
256 	{{ USB_VENDOR_TCTMOBILE, USB_PRODUCT_TCTMOBILE_UMSM }, 0},
257 	{{ USB_VENDOR_TCTMOBILE, USB_PRODUCT_TCTMOBILE_UMSM_2 }, 0},
258 	{{ USB_VENDOR_TCTMOBILE, USB_PRODUCT_TCTMOBILE_UMSM_3 }, 0},
259 
260 	{{ USB_VENDOR_TOSHIBA, USB_PRODUCT_TOSHIBA_HSDPA }, 0},
261 
262 	{{ USB_VENDOR_HP, USB_PRODUCT_HP_HS2300 }, 0},
263 
264 	{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CNU510 }, 0}, /* ??? */
265 	{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CCU550 }, 0}, /* ??? */
266 	{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CGU628 }, DEV_UMASS1},
267 	{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CGU628_DISK }, 0},
268 	{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CNU680 }, DEV_UMASS1},
269 };
270 
271 #define umsm_lookup(v, p) ((const struct umsm_type *)usb_lookup(umsm_devs, v, p))
272 
273 struct cfdriver umsm_cd = {
274 	NULL, "umsm", DV_DULL
275 };
276 
277 const struct cfattach umsm_ca = {
278 	sizeof(struct umsm_softc), umsm_match, umsm_attach, umsm_detach
279 };
280 
281 int
282 umsm_match(struct device *parent, void *match, void *aux)
283 {
284 	struct usb_attach_arg *uaa = aux;
285 	usb_interface_descriptor_t *id;
286 	uint16_t flag;
287 
288 	if (uaa->iface == NULL)
289 		return UMATCH_NONE;
290 
291 	/*
292 	 * Some devices (eg Huawei E220) have multiple interfaces and some
293 	 * of them are of class umass. Don't claim ownership in such case.
294 	 */
295 	if (umsm_lookup(uaa->vendor, uaa->product) != NULL) {
296 		id = usbd_get_interface_descriptor(uaa->iface);
297 		flag = umsm_lookup(uaa->vendor, uaa->product)->umsm_flag;
298 
299 		if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
300 			/*
301 			 * Some high-speed modems require special care.
302 			 */
303 			if (flag & DEV_HUAWEI) {
304 				if (uaa->ifaceno != 2)
305 					return UMATCH_VENDOR_IFACESUBCLASS;
306 				else
307 					return UMATCH_NONE;
308 			} else if (flag & DEV_UMASS) {
309 				return UMATCH_VENDOR_IFACESUBCLASS;
310 			} else if (flag & DEV_TRUINSTALL) {
311 				return UMATCH_VENDOR_IFACESUBCLASS;
312 			} else
313 				return UMATCH_NONE;
314 		/*
315 		 * Some devices have interfaces which fail to attach but in
316 		 * addition seem to make the remaining interfaces unusable. Only
317 		 * attach whitelisted interfaces in this case.
318 		 */
319 		} else if ((uaa->vendor == USB_VENDOR_MEDIATEK &&
320 			    uaa->product == USB_PRODUCT_MEDIATEK_DC_4COM) &&
321 			   !(id->bInterfaceClass == UICLASS_VENDOR &&
322 			    ((id->bInterfaceSubClass == 0x02 &&
323 			      id->bInterfaceProtocol == 0x01) ||
324 			     (id->bInterfaceSubClass == 0x00 &&
325 			      id->bInterfaceProtocol == 0x00)))) {
326 			return UMATCH_NONE;
327 		} else
328 			return UMATCH_VENDOR_IFACESUBCLASS;
329 	}
330 
331 	return UMATCH_NONE;
332 }
333 
334 void
335 umsm_attach(struct device *parent, struct device *self, void *aux)
336 {
337 	struct umsm_softc *sc = (struct umsm_softc *)self;
338 	struct usb_attach_arg *uaa = aux;
339 	struct ucom_attach_args uca;
340 	usb_interface_descriptor_t *id;
341 	usb_endpoint_descriptor_t *ed;
342 	int i;
343 
344 	bzero(&uca, sizeof(uca));
345 	sc->sc_udev = uaa->device;
346 	sc->sc_iface = uaa->iface;
347 	sc->sc_flag  = umsm_lookup(uaa->vendor, uaa->product)->umsm_flag;
348 
349 	id = usbd_get_interface_descriptor(sc->sc_iface);
350 
351 	/*
352 	 * Some 3G modems have multiple interfaces and some of them
353 	 * are umass class. Don't claim ownership in such case.
354 	 */
355 	if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
356 		/*
357 		 * Some 3G modems require a special request to
358 		 * enable their modem function.
359 		 */
360 		if ((sc->sc_flag & DEV_HUAWEI) && uaa->ifaceno == 0) {
361                         umsm_huawei_changemode(uaa->device);
362 			printf("%s: umass only mode. need to reattach\n",
363 				sc->sc_dev.dv_xname);
364 		} else if (sc->sc_flag & DEV_TRUINSTALL) {
365 			umsm_truinstall_changemode(uaa->device);
366 			printf("%s: truinstall mode. need to reattach\n",
367 				sc->sc_dev.dv_xname);
368 		} else if ((sc->sc_flag & DEV_UMASS) && uaa->ifaceno == 0) {
369 			umsm_umass_changemode(sc);
370 		}
371 
372 		/*
373 		 * The device will reset its own bus from the device side
374 		 * when its mode was changed, so just return.
375 		 */
376 		return;
377 	}
378 
379 	sc->sc_iface_no = id->bInterfaceNumber;
380 	uca.bulkin = uca.bulkout = -1;
381 	sc->sc_intr_number = sc->sc_isize = -1;
382 	for (i = 0; i < id->bNumEndpoints; i++) {
383 		ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
384 		if (ed == NULL) {
385 			printf("%s: no endpoint descriptor found for %d\n",
386 			    sc->sc_dev.dv_xname, i);
387 			usbd_deactivate(sc->sc_udev);
388 			return;
389 		}
390 
391 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
392 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
393 			sc->sc_intr_number = ed->bEndpointAddress;
394 			sc->sc_isize = UGETW(ed->wMaxPacketSize);
395 			DPRINTF(("%s: find interrupt endpoint for %s\n",
396 				__func__, sc->sc_dev.dv_xname));
397 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
398 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
399 			uca.bulkin = ed->bEndpointAddress;
400 		else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
401 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
402 			uca.bulkout = ed->bEndpointAddress;
403 	}
404 	if (uca.bulkin == -1 || uca.bulkout == -1) {
405 		printf("%s: missing endpoint\n", sc->sc_dev.dv_xname);
406 		usbd_deactivate(sc->sc_udev);
407 		return;
408 	}
409 
410 	sc->sc_dtr = sc->sc_rts = -1;
411 
412 	/* We need to force size as some devices lie */
413 	uca.ibufsize = UMSMBUFSZ;
414 	uca.obufsize = UMSMBUFSZ;
415 	uca.ibufsizepad = UMSMBUFSZ;
416 	uca.opkthdrlen = 0;
417 	uca.device = sc->sc_udev;
418 	uca.iface = sc->sc_iface;
419 	uca.methods = &umsm_methods;
420 	uca.arg = sc;
421 	uca.info = NULL;
422 	uca.portno = UCOM_UNK_PORTNO;
423 
424 	sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
425 }
426 
427 int
428 umsm_detach(struct device *self, int flags)
429 {
430 	struct umsm_softc *sc = (struct umsm_softc *)self;
431 	int rv = 0;
432 
433 	/* close the interrupt endpoint if that is opened */
434 	if (sc->sc_intr_pipe != NULL) {
435 		usbd_abort_pipe(sc->sc_intr_pipe);
436 		usbd_close_pipe(sc->sc_intr_pipe);
437 		free(sc->sc_intr_buf, M_USBDEV, 0);
438 		sc->sc_intr_pipe = NULL;
439 	}
440 
441 	usbd_deactivate(sc->sc_udev);
442 	if (sc->sc_subdev != NULL) {
443 		rv = config_detach(sc->sc_subdev, flags);
444 		sc->sc_subdev = NULL;
445 	}
446 
447 	return (rv);
448 }
449 
450 int
451 umsm_open(void *addr, int portno)
452 {
453 	struct umsm_softc *sc = addr;
454 	int err;
455 
456 	if (usbd_is_dying(sc->sc_udev))
457 		return (ENXIO);
458 
459 	if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
460 		sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
461 		err = usbd_open_pipe_intr(sc->sc_iface,
462 		    sc->sc_intr_number,
463 		    USBD_SHORT_XFER_OK,
464 		    &sc->sc_intr_pipe,
465 		    sc,
466 		    sc->sc_intr_buf,
467 		    sc->sc_isize,
468 		    umsm_intr,
469 		    UMSM_INTR_INTERVAL);
470 		if (err) {
471 			printf("%s: cannot open interrupt pipe (addr %d)\n",
472 			    sc->sc_dev.dv_xname,
473 			    sc->sc_intr_number);
474 			return (EIO);
475 		}
476 	}
477 
478 	return (0);
479 }
480 
481 void
482 umsm_close(void *addr, int portno)
483 {
484 	struct umsm_softc *sc = addr;
485 	int err;
486 
487 	if (usbd_is_dying(sc->sc_udev))
488 		return;
489 
490 	if (sc->sc_intr_pipe != NULL) {
491 		usbd_abort_pipe(sc->sc_intr_pipe);
492 		err = usbd_close_pipe(sc->sc_intr_pipe);
493 		if (err)
494 			printf("%s: close interrupt pipe failed: %s\n",
495 			    sc->sc_dev.dv_xname,
496 			    usbd_errstr(err));
497 		free(sc->sc_intr_buf, M_USBDEV, 0);
498 		sc->sc_intr_pipe = NULL;
499 	}
500 }
501 
502 void
503 umsm_intr(struct usbd_xfer *xfer, void *priv,
504 	usbd_status status)
505 {
506 	struct umsm_softc *sc = priv;
507 	struct usb_cdc_notification *buf;
508 	u_char mstatus;
509 
510 	buf = (struct usb_cdc_notification *)sc->sc_intr_buf;
511 	if (usbd_is_dying(sc->sc_udev))
512 		return;
513 
514 	if (status != USBD_NORMAL_COMPLETION) {
515 		if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
516 			return;
517 
518 		DPRINTF(("%s: umsm_intr: abnormal status: %s\n",
519 		    sc->sc_dev.dv_xname, usbd_errstr(status)));
520 		usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
521 		return;
522 	}
523 
524 	if (buf->bmRequestType != UCDC_NOTIFICATION) {
525 #if 1 /* test */
526 		printf("%s: this device is not using CDC notify message in intr pipe.\n"
527 		    "Please send your dmesg to <bugs@openbsd.org>, thanks.\n",
528 		    sc->sc_dev.dv_xname);
529 		printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
530 		    sc->sc_dev.dv_xname,
531 		    sc->sc_intr_buf[0], sc->sc_intr_buf[1],
532 		    sc->sc_intr_buf[2], sc->sc_intr_buf[3],
533 		    sc->sc_intr_buf[4], sc->sc_intr_buf[5],
534 		    sc->sc_intr_buf[6]);
535 #else
536 		DPRINTF(("%s: umsm_intr: unknown message type(0x%02x)\n",
537 		    sc->sc_dev.dv_xname, buf->bmRequestType));
538 #endif
539 		return;
540 	}
541 
542 	if (buf->bNotification == UCDC_N_SERIAL_STATE) {
543 		/* invalid message length, discard it */
544 		if (UGETW(buf->wLength) != 2)
545 			return;
546 		/* XXX: sc_lsr is always 0 */
547 		sc->sc_lsr = sc->sc_msr = 0;
548 		mstatus = buf->data[0];
549 		if (ISSET(mstatus, UCDC_N_SERIAL_RI))
550 			sc->sc_msr |= UMSR_RI;
551 		if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
552 			sc->sc_msr |= UMSR_DSR;
553 		if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
554 			sc->sc_msr |= UMSR_DCD;
555 	} else if (buf->bNotification != UCDC_N_CONNECTION_SPEED_CHANGE) {
556 		DPRINTF(("%s: umsm_intr: unknown notify message (0x%02x)\n",
557 		    sc->sc_dev.dv_xname, buf->bNotification));
558 		return;
559 	}
560 
561 	ucom_status_change((struct ucom_softc *)sc->sc_subdev);
562 }
563 
564 void
565 umsm_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
566 {
567 	struct umsm_softc *sc = addr;
568 
569 	if (lsr != NULL)
570 		*lsr = sc->sc_lsr;
571 	if (msr != NULL)
572 		*msr = sc->sc_msr;
573 }
574 
575 void
576 umsm_set(void *addr, int portno, int reg, int onoff)
577 {
578 	struct umsm_softc *sc = addr;
579 	usb_device_request_t req;
580 	int ls;
581 
582 	switch (reg) {
583 	case UCOM_SET_DTR:
584 		if (sc->sc_dtr == onoff)
585 			return;
586 		sc->sc_dtr = onoff;
587 		break;
588 	case UCOM_SET_RTS:
589 		if (sc->sc_rts == onoff)
590 			return;
591 		sc->sc_rts = onoff;
592 		break;
593 	default:
594 		return;
595 	}
596 
597 	/* build a usb request */
598 	ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
599 	     (sc->sc_rts ? UCDC_LINE_RTS : 0);
600 	req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
601 	req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
602 	USETW(req.wValue, ls);
603 	USETW(req.wIndex, sc->sc_iface_no);
604 	USETW(req.wLength, 0);
605 
606 	(void)usbd_do_request(sc->sc_udev, &req, 0);
607 }
608 
609 usbd_status
610 umsm_huawei_changemode(struct usbd_device *dev)
611 {
612 	usb_device_request_t req;
613 	usbd_status err;
614 
615 	req.bmRequestType = UT_WRITE_DEVICE;
616 	req.bRequest = UR_SET_FEATURE;
617 	USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
618 	USETW(req.wIndex, E220_MODE_CHANGE_REQUEST);
619 	USETW(req.wLength, 0);
620 
621 	err = usbd_do_request(dev, &req, 0);
622 	if (err)
623 		return (EIO);
624 
625 	return (0);
626 }
627 
628 usbd_status
629 umsm_truinstall_changemode(struct usbd_device *dev)
630 {
631 	usb_device_request_t req;
632 	usbd_status err;
633 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
634 	req.bRequest = TRUINSTALL_CHANGEMODE_REQUEST;
635 	USETW(req.wValue, 0x1);
636 	USETW(req.wIndex, 0);
637 	USETW(req.wLength, 0);
638 
639 	err = usbd_do_request(dev, &req, 0);
640 	if (err)
641 		return (EIO);
642 
643 	return (0);
644 }
645 
646 usbd_status
647 umsm_umass_changemode(struct umsm_softc *sc)
648 {
649 #define UMASS_CMD_REZERO_UNIT		0x01
650 #define UMASS_CMD_START_STOP		0x1b
651 #define UMASS_CMDPARAM_EJECT		0x02
652 #define UMASS_SERVICE_ACTION_OUT	0x9f
653 	usb_interface_descriptor_t *id;
654 	usb_endpoint_descriptor_t *ed;
655 	struct usbd_xfer *xfer;
656 	struct usbd_pipe *cmdpipe;
657 	usbd_status err;
658 	u_int32_t n;
659 	void *bufp;
660 	int target_ep, i;
661 
662 	struct umass_bbb_cbw cbw;
663 	static int dCBWTag = 0x12345678;
664 
665 	USETDW(cbw.dCBWSignature, CBWSIGNATURE);
666 	USETDW(cbw.dCBWTag, dCBWTag);
667 	cbw.bCBWLUN   = 0;
668 	cbw.bCDBLength= 6;
669 	bzero(cbw.CBWCDB, sizeof(cbw.CBWCDB));
670 
671 	switch (sc->sc_flag) {
672 	case DEV_UMASS1:
673 		USETDW(cbw.dCBWDataTransferLength, 0x0);
674 		cbw.bCBWFlags = CBWFLAGS_OUT;
675 		cbw.CBWCDB[0] = UMASS_CMD_REZERO_UNIT;
676 		cbw.CBWCDB[1] = 0x0;	/* target LUN: 0 */
677 		break;
678 	case DEV_UMASS2:
679 		USETDW(cbw.dCBWDataTransferLength, 0x1);
680 		cbw.bCBWFlags = CBWFLAGS_IN;
681 		cbw.CBWCDB[0] = UMASS_CMD_REZERO_UNIT;
682 		cbw.CBWCDB[1] = 0x0;	/* target LUN: 0 */
683 		break;
684 	case DEV_UMASS3: /* longcheer */
685 		USETDW(cbw.dCBWDataTransferLength, 0x80);
686 		cbw.bCBWFlags = CBWFLAGS_IN;
687 		cbw.CBWCDB[0] = 0x06;
688 		cbw.CBWCDB[1] = 0xf5;
689 		cbw.CBWCDB[2] = 0x04;
690 		cbw.CBWCDB[3] = 0x02;
691 		cbw.CBWCDB[4] = 0x52;
692 		cbw.CBWCDB[5] = 0x70;
693 		break;
694 	case DEV_UMASS4:
695 		USETDW(cbw.dCBWDataTransferLength, 0x0);
696 		cbw.bCBWFlags = CBWFLAGS_OUT;
697 		cbw.CBWCDB[0] = UMASS_CMD_START_STOP;
698 		cbw.CBWCDB[1] = 0x00;	/* target LUN: 0 */
699 		cbw.CBWCDB[4] = UMASS_CMDPARAM_EJECT;
700 		break;
701 	case DEV_UMASS5:
702 		cbw.bCBWFlags = CBWFLAGS_OUT;
703 		cbw.CBWCDB[0] = 0x11;
704 		cbw.CBWCDB[1] = 0x06;
705 		break;
706 	case DEV_UMASS6:	/* ZTE */
707 		USETDW(cbw.dCBWDataTransferLength, 0x20);
708 		cbw.bCBWFlags = CBWFLAGS_IN;
709 		cbw.bCDBLength= 12;
710 		cbw.CBWCDB[0] = 0x85;
711 		cbw.CBWCDB[1] = 0x01;
712 		cbw.CBWCDB[2] = 0x01;
713 		cbw.CBWCDB[3] = 0x01;
714 		cbw.CBWCDB[4] = 0x18;
715 		cbw.CBWCDB[5] = 0x01;
716 		cbw.CBWCDB[6] = 0x01;
717 		cbw.CBWCDB[7] = 0x01;
718 		cbw.CBWCDB[8] = 0x01;
719 		cbw.CBWCDB[9] = 0x01;
720 		break;
721 	case DEV_UMASS7:	/* ZTE */
722 		USETDW(cbw.dCBWDataTransferLength, 0xc0);
723 		cbw.bCBWFlags = CBWFLAGS_IN;
724 		cbw.CBWCDB[0] = UMASS_SERVICE_ACTION_OUT;
725 		cbw.CBWCDB[1] = 0x03;
726 		break;
727 	case DEV_UMASS8:
728 		USETDW(cbw.dCBWDataTransferLength, 0x0);
729 		cbw.bCBWFlags = CBWFLAGS_OUT;
730 		cbw.CBWCDB[0] = 0xf0;
731 		cbw.CBWCDB[1] = 0x01;
732 		cbw.CBWCDB[2] = 0x03;
733 		break;
734 	default:
735 		DPRINTF(("%s: unknown device type.\n", sc->sc_dev.dv_xname));
736 		break;
737 	}
738 
739 	/* get command endpoint address */
740 	id = usbd_get_interface_descriptor(sc->sc_iface);
741 	for (i = 0; i < id->bNumEndpoints; i++) {
742 		ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
743 		if (ed == NULL) {
744 			return (USBD_IOERROR);
745 		}
746 
747 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
748 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
749 			target_ep = ed->bEndpointAddress;
750 	}
751 
752 	/* open command endppoint */
753 	err = usbd_open_pipe(sc->sc_iface, target_ep,
754 		USBD_EXCLUSIVE_USE, &cmdpipe);
755 	if (err) {
756 		DPRINTF(("%s: open pipe for modem change cmd failed: %s\n",
757 		    sc->sc_dev.dv_xname, usbd_errstr(err)));
758 		return (err);
759 	}
760 
761 	xfer = usbd_alloc_xfer(sc->sc_udev);
762 	if (xfer == NULL) {
763 		usbd_close_pipe(cmdpipe);
764 		return (USBD_NOMEM);
765 	} else {
766 		bufp = usbd_alloc_buffer(xfer, UMASS_BBB_CBW_SIZE);
767 		if (bufp == NULL)
768 			err = USBD_NOMEM;
769 		else {
770 			n = UMASS_BBB_CBW_SIZE;
771 			memcpy(bufp, &cbw, UMASS_BBB_CBW_SIZE);
772 			usbd_setup_xfer(xfer, cmdpipe, 0, bufp, n,
773 			    USBD_NO_COPY | USBD_SYNCHRONOUS, 0, NULL);
774 			err = usbd_transfer(xfer);
775 			if (err) {
776 				usbd_clear_endpoint_stall(cmdpipe);
777 				DPRINTF(("%s: send error:%s", __func__,
778 				    usbd_errstr(err)));
779 			}
780 		}
781 		usbd_close_pipe(cmdpipe);
782 		usbd_free_buffer(xfer);
783 		usbd_free_xfer(xfer);
784 	}
785 
786 	return (err);
787 }
788