Line data Source code
1 : /* $OpenBSD: uipaq.c,v 1.26 2016/11/06 12:58:01 mpi Exp $ */
2 :
3 : /*
4 : * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 : * All rights reserved.
6 : *
7 : * This code is derived from software contributed to The NetBSD Foundation
8 : * by Lennart Augustsson (lennart@augustsson.net) at
9 : * Carlstedt Research & Technology.
10 : *
11 : * Redistribution and use in source and binary forms, with or without
12 : * modification, are permitted provided that the following conditions
13 : * are met:
14 : * 1. Redistributions of source code must retain the above copyright
15 : * notice, this list of conditions and the following disclaimer.
16 : * 2. Redistributions in binary form must reproduce the above copyright
17 : * notice, this list of conditions and the following disclaimer in the
18 : * documentation and/or other materials provided with the distribution.
19 : *
20 : * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 : * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 : * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 : * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 : * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 : * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 : * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 : * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 : * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 : * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 : * POSSIBILITY OF SUCH DAMAGE.
31 : */
32 :
33 : /*
34 : * iPAQ driver
35 : *
36 : * 19 July 2003: Incorporated changes suggested by Sam Lawrance from
37 : * the uppc module
38 : *
39 : *
40 : * Contact isis@cs.umd.edu if you have any questions/comments about this driver
41 : */
42 :
43 : #include <sys/param.h>
44 : #include <sys/systm.h>
45 : #include <sys/kernel.h>
46 : #include <sys/device.h>
47 : #include <sys/conf.h>
48 : #include <sys/tty.h>
49 :
50 : #include <dev/usb/usb.h>
51 :
52 : #include <dev/usb/usbcdc.h> /*UCDC_* stuff */
53 :
54 : #include <dev/usb/usbdi.h>
55 : #include <dev/usb/usbdi_util.h>
56 : #include <dev/usb/usbdevs.h>
57 :
58 : #include <dev/usb/ucomvar.h>
59 :
60 : #ifdef UIPAQ_DEBUG
61 : #define DPRINTF(x) if (uipaqdebug) printf x
62 : #define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x
63 : int uipaqdebug = 0;
64 : #else
65 : #define DPRINTF(x)
66 : #define DPRINTFN(n,x)
67 : #endif
68 :
69 : #define UIPAQ_CONFIG_NO 1
70 : #define UIPAQ_IFACE_INDEX 0
71 :
72 : #define UIPAQIBUFSIZE 1024
73 : #define UIPAQOBUFSIZE 1024
74 :
75 : struct uipaq_softc {
76 : struct device sc_dev; /* base device */
77 : struct usbd_device *sc_udev; /* device */
78 : struct usbd_interface *sc_iface; /* interface */
79 :
80 : struct device *sc_subdev; /* ucom uses that */
81 : u_int16_t sc_lcr; /* state for DTR/RTS */
82 :
83 : u_int16_t sc_flags;
84 : };
85 :
86 : /* Callback routines */
87 : void uipaq_set(void *, int, int, int);
88 :
89 :
90 : /* Support routines. */
91 : /* based on uppc module by Sam Lawrance */
92 : void uipaq_dtr(struct uipaq_softc *sc, int onoff);
93 : void uipaq_rts(struct uipaq_softc *sc, int onoff);
94 : void uipaq_break(struct uipaq_softc* sc, int onoff);
95 :
96 :
97 : struct ucom_methods uipaq_methods = {
98 : NULL,
99 : uipaq_set,
100 : NULL,
101 : NULL,
102 : NULL, /*open*/
103 : NULL, /*close*/
104 : NULL,
105 : NULL
106 : };
107 :
108 : struct uipaq_type {
109 : struct usb_devno uv_dev;
110 : u_int16_t uv_flags;
111 : };
112 :
113 : static const struct uipaq_type uipaq_devs[] = {
114 : {{ USB_VENDOR_ASUS, USB_PRODUCT_ASUS_MYPAL_A730} , 0},
115 : {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0},
116 : {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0},
117 : {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_SMARTPHONE }, 0},
118 : {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 },
119 : {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0},
120 : {{ USB_VENDOR_HTC, USB_PRODUCT_HTC_PPC6700MODEM }, 0}
121 : };
122 :
123 : #define uipaq_lookup(v, p) ((struct uipaq_type *)usb_lookup(uipaq_devs, v, p))
124 :
125 : int uipaq_match(struct device *, void *, void *);
126 : void uipaq_attach(struct device *, struct device *, void *);
127 : int uipaq_detach(struct device *, int);
128 :
129 : struct cfdriver uipaq_cd = {
130 : NULL, "uipaq", DV_DULL
131 : };
132 :
133 : const struct cfattach uipaq_ca = {
134 : sizeof(struct uipaq_softc), uipaq_match, uipaq_attach, uipaq_detach
135 : };
136 :
137 : int
138 0 : uipaq_match(struct device *parent, void *match, void *aux)
139 : {
140 0 : struct usb_attach_arg *uaa = aux;
141 :
142 0 : if (uaa->iface == NULL || uaa->configno != UIPAQ_CONFIG_NO)
143 0 : return (UMATCH_NONE);
144 :
145 : DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n",
146 : uaa->vendor, uaa->product));
147 :
148 0 : return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ?
149 : UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
150 0 : }
151 :
152 : void
153 0 : uipaq_attach(struct device *parent, struct device *self, void *aux)
154 : {
155 0 : struct uipaq_softc *sc = (struct uipaq_softc *)self;
156 0 : struct usb_attach_arg *uaa = aux;
157 0 : struct usbd_device *dev = uaa->device;
158 0 : struct usbd_interface *iface;
159 : usb_interface_descriptor_t *id;
160 : usb_endpoint_descriptor_t *ed;
161 0 : char *devname = sc->sc_dev.dv_xname;
162 : int i;
163 : usbd_status err;
164 0 : struct ucom_attach_args uca;
165 :
166 : DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc));
167 :
168 0 : err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface);
169 0 : if (err) {
170 0 : printf(": failed to get interface, err=%s\n",
171 0 : usbd_errstr(err));
172 0 : goto bad;
173 : }
174 :
175 0 : sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags;
176 :
177 0 : id = usbd_get_interface_descriptor(iface);
178 :
179 0 : sc->sc_udev = dev;
180 0 : sc->sc_iface = iface;
181 :
182 0 : uca.ibufsize = UIPAQIBUFSIZE;
183 0 : uca.obufsize = UIPAQOBUFSIZE;
184 0 : uca.ibufsizepad = UIPAQIBUFSIZE;
185 0 : uca.opkthdrlen = 0;
186 0 : uca.device = dev;
187 0 : uca.iface = iface;
188 0 : uca.methods = &uipaq_methods;
189 0 : uca.arg = sc;
190 0 : uca.portno = UCOM_UNK_PORTNO;
191 0 : uca.info = "Generic";
192 :
193 : /* err = uipaq_init(sc);
194 : if (err) {
195 : printf("%s: init failed, %s\n", sc->sc_dev.dv_xname,
196 : usbd_errstr(err));
197 : goto bad;
198 : }*/
199 :
200 0 : uca.bulkin = uca.bulkout = -1;
201 0 : for (i=0; i<id->bNumEndpoints; i++) {
202 0 : ed = usbd_interface2endpoint_descriptor(iface, i);
203 0 : if (ed == NULL) {
204 0 : printf("%s: no endpoint descriptor for %d\n",
205 : devname,i);
206 0 : goto bad;
207 : }
208 0 : if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
209 0 : (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
210 0 : uca.bulkin = ed->bEndpointAddress;
211 0 : } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
212 0 : (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
213 0 : uca.bulkout = ed->bEndpointAddress;
214 0 : }
215 : }
216 0 : if (uca.bulkin != -1 && uca.bulkout != -1)
217 0 : sc->sc_subdev = config_found_sm(self, &uca,
218 : ucomprint, ucomsubmatch);
219 : else
220 0 : printf("%s: no proper endpoints found (%d,%d) \n",
221 0 : devname, uca.bulkin, uca.bulkout);
222 :
223 0 : return;
224 :
225 : bad:
226 : DPRINTF(("uipaq_attach: ATTACH ERROR\n"));
227 0 : usbd_deactivate(sc->sc_udev);
228 0 : }
229 :
230 :
231 : void
232 0 : uipaq_dtr(struct uipaq_softc* sc, int onoff)
233 : {
234 0 : usb_device_request_t req;
235 : usbd_status err;
236 : int retries = 3;
237 :
238 : DPRINTF(("%s: uipaq_dtr: onoff=%x\n", sc->sc_dev.dv_xname, onoff));
239 :
240 : /* Avoid sending unnecessary requests */
241 0 : if (onoff && (sc->sc_lcr & UCDC_LINE_DTR))
242 0 : return;
243 0 : if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR))
244 0 : return;
245 :
246 : /* Other parameters depend on reg */
247 0 : req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
248 0 : req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
249 0 : sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR;
250 0 : USETW(req.wValue, sc->sc_lcr);
251 0 : USETW(req.wIndex, 0x0);
252 0 : USETW(req.wLength, 0);
253 :
254 : /* Fire off the request a few times if necessary */
255 0 : while (retries) {
256 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
257 0 : if (!err)
258 : break;
259 0 : retries--;
260 : }
261 0 : }
262 :
263 :
264 : void
265 0 : uipaq_rts(struct uipaq_softc* sc, int onoff)
266 : {
267 0 : usb_device_request_t req;
268 : usbd_status err;
269 : int retries = 3;
270 :
271 : DPRINTF(("%s: uipaq_rts: onoff=%x\n", sc->sc_dev.dv_xname, onoff));
272 :
273 : /* Avoid sending unnecessary requests */
274 0 : if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return;
275 0 : if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return;
276 :
277 0 : req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
278 0 : req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
279 0 : sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS;
280 0 : USETW(req.wValue, sc->sc_lcr);
281 0 : USETW(req.wIndex, 0x0);
282 0 : USETW(req.wLength, 0);
283 :
284 0 : while (retries) {
285 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
286 0 : if (!err)
287 : break;
288 0 : retries--;
289 : }
290 0 : }
291 :
292 :
293 : void
294 0 : uipaq_break(struct uipaq_softc* sc, int onoff)
295 : {
296 0 : usb_device_request_t req;
297 : usbd_status err;
298 : int retries = 3;
299 :
300 : DPRINTF(("%s: uipaq_break: onoff=%x\n", sc->sc_dev.dv_xname, onoff));
301 :
302 0 : req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
303 0 : req.bRequest = UCDC_SEND_BREAK;
304 :
305 0 : USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
306 0 : USETW(req.wIndex, 0x0);
307 0 : USETW(req.wLength, 0);
308 :
309 0 : while (retries) {
310 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
311 0 : if (!err)
312 : break;
313 0 : retries--;
314 : }
315 0 : }
316 :
317 :
318 : void
319 0 : uipaq_set(void *addr, int portno, int reg, int onoff)
320 : {
321 0 : struct uipaq_softc* sc = addr;
322 :
323 0 : switch (reg) {
324 : case UCOM_SET_DTR:
325 0 : uipaq_dtr(addr, onoff);
326 0 : break;
327 : case UCOM_SET_RTS:
328 0 : uipaq_rts(addr, onoff);
329 0 : break;
330 : case UCOM_SET_BREAK:
331 0 : uipaq_break(addr, onoff);
332 0 : break;
333 : default:
334 0 : printf("%s: unhandled set request: reg=%x onoff=%x\n",
335 0 : sc->sc_dev.dv_xname, reg, onoff);
336 0 : return;
337 : }
338 0 : }
339 :
340 :
341 : int
342 0 : uipaq_detach(struct device *self, int flags)
343 : {
344 0 : struct uipaq_softc *sc = (struct uipaq_softc *)self;
345 : int rv = 0;
346 :
347 : DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags));
348 0 : if (sc->sc_subdev != NULL) {
349 0 : rv |= config_detach(sc->sc_subdev, flags);
350 0 : sc->sc_subdev = NULL;
351 0 : }
352 :
353 0 : return (rv);
354 : }
355 :
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