1 | /* $NetBSD: uipaq.c,v 1.21 2016/07/07 06:55:42 msaitoh Exp $ */ |
2 | /* $OpenBSD: uipaq.c,v 1.1 2005/06/17 23:50:33 deraadt Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (c) 2000-2005 The NetBSD Foundation, Inc. |
6 | * All rights reserved. |
7 | * |
8 | * This code is derived from software contributed to The NetBSD Foundation |
9 | * by Lennart Augustsson (lennart@augustsson.net) at |
10 | * Carlstedt Research & Technology. |
11 | * |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions |
14 | * are met: |
15 | * 1. Redistributions of source code must retain the above copyright |
16 | * notice, this list of conditions and the following disclaimer. |
17 | * 2. Redistributions in binary form must reproduce the above copyright |
18 | * notice, this list of conditions and the following disclaimer in the |
19 | * documentation and/or other materials provided with the distribution. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
31 | * POSSIBILITY OF SUCH DAMAGE. |
32 | */ |
33 | |
34 | /* |
35 | * iPAQ driver |
36 | * |
37 | * 19 July 2003: Incorporated changes suggested by Sam Lawrance from |
38 | * the uppc module |
39 | * |
40 | * |
41 | * Contact isis@cs.umd.edu if you have any questions/comments about this driver |
42 | */ |
43 | |
44 | #include <sys/cdefs.h> |
45 | __KERNEL_RCSID(0, "$NetBSD: uipaq.c,v 1.21 2016/07/07 06:55:42 msaitoh Exp $" ); |
46 | |
47 | #include <sys/param.h> |
48 | #include <sys/systm.h> |
49 | #include <sys/kernel.h> |
50 | #include <sys/device.h> |
51 | #include <sys/conf.h> |
52 | #include <sys/tty.h> |
53 | |
54 | #include <dev/usb/usb.h> |
55 | |
56 | #include <dev/usb/usbcdc.h> /*UCDC_* stuff */ |
57 | |
58 | #include <dev/usb/usbdi.h> |
59 | #include <dev/usb/usbdi_util.h> |
60 | #include <dev/usb/usbdevs.h> |
61 | |
62 | #include <dev/usb/ucomvar.h> |
63 | |
64 | #ifdef UIPAQ_DEBUG |
65 | #define DPRINTF(x) if (uipaqdebug) printf x |
66 | #define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x |
67 | int uipaqdebug = 0; |
68 | #else |
69 | #define DPRINTF(x) |
70 | #define DPRINTFN(n,x) |
71 | #endif |
72 | |
73 | #define UIPAQ_CONFIG_NO 1 |
74 | #define UIPAQ_IFACE_INDEX 0 |
75 | |
76 | #define UIPAQIBUFSIZE 1024 |
77 | #define UIPAQOBUFSIZE 1024 |
78 | |
79 | struct uipaq_softc { |
80 | device_t sc_dev; /* base device */ |
81 | struct usbd_device * sc_udev; /* device */ |
82 | struct usbd_interface * sc_iface; /* interface */ |
83 | |
84 | device_t sc_subdev; /* ucom uses that */ |
85 | uint16_t sc_lcr; /* state for DTR/RTS */ |
86 | |
87 | uint16_t sc_flags; |
88 | |
89 | u_char sc_dying; |
90 | }; |
91 | |
92 | /* Callback routines */ |
93 | Static void uipaq_set(void *, int, int, int); |
94 | |
95 | |
96 | /* Support routines. */ |
97 | /* based on uppc module by Sam Lawrance */ |
98 | Static void uipaq_dtr(struct uipaq_softc *, int); |
99 | Static void uipaq_rts(struct uipaq_softc *, int); |
100 | Static void uipaq_break(struct uipaq_softc *, int); |
101 | |
102 | |
103 | struct ucom_methods uipaq_methods = { |
104 | .ucom_get_status = NULL, |
105 | .ucom_set = uipaq_set, |
106 | .ucom_param = NULL, |
107 | .ucom_ioctl = NULL, |
108 | .ucom_open = NULL, |
109 | .ucom_close = NULL, |
110 | .ucom_read = NULL, |
111 | .ucom_write = NULL, |
112 | }; |
113 | |
114 | struct uipaq_type { |
115 | struct usb_devno uv_dev; |
116 | uint16_t uv_flags; |
117 | }; |
118 | |
119 | static const struct uipaq_type uipaq_devs[] = { |
120 | {{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 }, |
121 | {{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0}, |
122 | {{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0}, |
123 | {{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0}, |
124 | {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS007SH} , 0}, |
125 | {{ USB_VENDOR_SHARP, USB_PRODUCT_SHARP_WS011SH} , 0} |
126 | }; |
127 | |
128 | #define uipaq_lookup(v, p) ((const struct uipaq_type *)usb_lookup(uipaq_devs, v, p)) |
129 | |
130 | int uipaq_match(device_t, cfdata_t, void *); |
131 | void uipaq_attach(device_t, device_t, void *); |
132 | void uipaq_childdet(device_t, device_t); |
133 | int uipaq_detach(device_t, int); |
134 | int uipaq_activate(device_t, enum devact); |
135 | extern struct cfdriver uipaq_cd; |
136 | CFATTACH_DECL2_NEW(uipaq, sizeof(struct uipaq_softc), uipaq_match, |
137 | uipaq_attach, uipaq_detach, uipaq_activate, NULL, uipaq_childdet); |
138 | |
139 | int |
140 | uipaq_match(device_t parent, cfdata_t match, void *aux) |
141 | { |
142 | struct usb_attach_arg *uaa = aux; |
143 | |
144 | DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n" , |
145 | uaa->uaa_vendor, uaa->uaa_product)); |
146 | |
147 | return uipaq_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
148 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
149 | } |
150 | |
151 | void |
152 | uipaq_attach(device_t parent, device_t self, void *aux) |
153 | { |
154 | struct uipaq_softc *sc = device_private(self); |
155 | struct usb_attach_arg *uaa = aux; |
156 | struct usbd_device *dev = uaa->uaa_device; |
157 | struct usbd_interface *iface; |
158 | usb_interface_descriptor_t *id; |
159 | usb_endpoint_descriptor_t *ed; |
160 | char *devinfop; |
161 | const char *devname = device_xname(self); |
162 | int i; |
163 | usbd_status err; |
164 | struct ucom_attach_args ucaa; |
165 | |
166 | DPRINTFN(10,("\nuipaq_attach: sc=%p\n" , sc)); |
167 | |
168 | sc->sc_dev = self; |
169 | |
170 | aprint_naive("\n" ); |
171 | aprint_normal("\n" ); |
172 | |
173 | devinfop = usbd_devinfo_alloc(dev, 0); |
174 | aprint_normal_dev(self, "%s\n" , devinfop); |
175 | usbd_devinfo_free(devinfop); |
176 | |
177 | /* Move the device into the configured state. */ |
178 | err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1); |
179 | if (err) { |
180 | aprint_error_dev(self, "failed to set configuration, err=%s\n" , |
181 | usbd_errstr(err)); |
182 | goto bad; |
183 | } |
184 | |
185 | err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface); |
186 | if (err) { |
187 | aprint_error("\n%s: failed to get interface, err=%s\n" , |
188 | devname, usbd_errstr(err)); |
189 | goto bad; |
190 | } |
191 | |
192 | sc->sc_flags = uipaq_lookup(uaa->uaa_vendor, uaa->uaa_product)->uv_flags; |
193 | |
194 | id = usbd_get_interface_descriptor(iface); |
195 | |
196 | sc->sc_udev = dev; |
197 | sc->sc_iface = iface; |
198 | |
199 | ucaa.ucaa_ibufsize = UIPAQIBUFSIZE; |
200 | ucaa.ucaa_obufsize = UIPAQOBUFSIZE; |
201 | ucaa.ucaa_ibufsizepad = UIPAQIBUFSIZE; |
202 | ucaa.ucaa_opkthdrlen = 0; |
203 | ucaa.ucaa_device = dev; |
204 | ucaa.ucaa_iface = iface; |
205 | ucaa.ucaa_methods = &uipaq_methods; |
206 | ucaa.ucaa_arg = sc; |
207 | ucaa.ucaa_portno = UCOM_UNK_PORTNO; |
208 | ucaa.ucaa_info = "Generic" ; |
209 | |
210 | /* err = uipaq_init(sc); |
211 | if (err) { |
212 | printf("%s: init failed, %s\n", device_xname(sc->sc_dev), |
213 | usbd_errstr(err)); |
214 | goto bad; |
215 | }*/ |
216 | |
217 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
218 | |
219 | ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1; |
220 | for (i=0; i<id->bNumEndpoints; i++) { |
221 | ed = usbd_interface2endpoint_descriptor(iface, i); |
222 | if (ed == NULL) { |
223 | aprint_error_dev(self, |
224 | "no endpoint descriptor for %d\n" , i); |
225 | goto bad; |
226 | } |
227 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
228 | (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { |
229 | ucaa.ucaa_bulkin = ed->bEndpointAddress; |
230 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
231 | (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { |
232 | ucaa.ucaa_bulkout = ed->bEndpointAddress; |
233 | } |
234 | } |
235 | if (ucaa.ucaa_bulkin == -1 || ucaa.ucaa_bulkout == -1) { |
236 | aprint_error_dev(self, "no proper endpoints found (%d,%d) \n" , |
237 | ucaa.ucaa_bulkin, ucaa.ucaa_bulkout); |
238 | return; |
239 | } |
240 | |
241 | sc->sc_subdev = config_found_sm_loc(self, "ucombus" , NULL, &ucaa, |
242 | ucomprint, ucomsubmatch); |
243 | |
244 | return; |
245 | |
246 | bad: |
247 | DPRINTF(("uipaq_attach: ATTACH ERROR\n" )); |
248 | sc->sc_dying = 1; |
249 | return; |
250 | } |
251 | |
252 | |
253 | void |
254 | uipaq_dtr(struct uipaq_softc* sc, int onoff) |
255 | { |
256 | usb_device_request_t req; |
257 | usbd_status err; |
258 | int retries = 3; |
259 | |
260 | DPRINTF(("%s: uipaq_dtr: onoff=%x\n" , device_xname(sc->sc_dev), onoff)); |
261 | |
262 | /* Avoid sending unnecessary requests */ |
263 | if (onoff && (sc->sc_lcr & UCDC_LINE_DTR)) |
264 | return; |
265 | if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR)) |
266 | return; |
267 | |
268 | /* Other parameters depend on reg */ |
269 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
270 | req.bRequest = UCDC_SET_CONTROL_LINE_STATE; |
271 | sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR |
272 | : sc->sc_lcr & ~UCDC_LINE_DTR; |
273 | USETW(req.wValue, sc->sc_lcr); |
274 | USETW(req.wIndex, 0x0); |
275 | USETW(req.wLength, 0); |
276 | |
277 | /* Fire off the request a few times if necessary */ |
278 | while (retries) { |
279 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
280 | if (!err) |
281 | break; |
282 | retries--; |
283 | } |
284 | } |
285 | |
286 | |
287 | void |
288 | uipaq_rts(struct uipaq_softc* sc, int onoff) |
289 | { |
290 | usb_device_request_t req; |
291 | usbd_status err; |
292 | int retries = 3; |
293 | |
294 | DPRINTF(("%s: uipaq_rts: onoff=%x\n" , device_xname(sc->sc_dev), onoff)); |
295 | |
296 | /* Avoid sending unnecessary requests */ |
297 | if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return; |
298 | if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return; |
299 | |
300 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
301 | req.bRequest = UCDC_SET_CONTROL_LINE_STATE; |
302 | sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS |
303 | : sc->sc_lcr & ~UCDC_LINE_RTS; |
304 | USETW(req.wValue, sc->sc_lcr); |
305 | USETW(req.wIndex, 0x0); |
306 | USETW(req.wLength, 0); |
307 | |
308 | while (retries) { |
309 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
310 | if (!err) |
311 | break; |
312 | retries--; |
313 | } |
314 | } |
315 | |
316 | |
317 | void |
318 | uipaq_break(struct uipaq_softc* sc, int onoff) |
319 | { |
320 | usb_device_request_t req; |
321 | usbd_status err; |
322 | int retries = 3; |
323 | |
324 | DPRINTF(("%s: uipaq_break: onoff=%x\n" , device_xname(sc->sc_dev), |
325 | onoff)); |
326 | |
327 | req.bmRequestType = UT_WRITE_CLASS_INTERFACE; |
328 | req.bRequest = UCDC_SEND_BREAK; |
329 | |
330 | USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); |
331 | USETW(req.wIndex, 0x0); |
332 | USETW(req.wLength, 0); |
333 | |
334 | while (retries) { |
335 | err = usbd_do_request(sc->sc_udev, &req, NULL); |
336 | if (!err) |
337 | break; |
338 | retries--; |
339 | } |
340 | } |
341 | |
342 | |
343 | void |
344 | uipaq_set(void *addr, int portno, int reg, int onoff) |
345 | { |
346 | struct uipaq_softc* sc = addr; |
347 | |
348 | switch (reg) { |
349 | case UCOM_SET_DTR: |
350 | uipaq_dtr(addr, onoff); |
351 | break; |
352 | case UCOM_SET_RTS: |
353 | uipaq_rts(addr, onoff); |
354 | break; |
355 | case UCOM_SET_BREAK: |
356 | uipaq_break(addr, onoff); |
357 | break; |
358 | default: |
359 | aprint_error_dev(sc->sc_dev, |
360 | "unhandled set request: reg=%x onoff=%x\n" , reg, onoff); |
361 | return; |
362 | } |
363 | } |
364 | |
365 | |
366 | int |
367 | uipaq_activate(device_t self, enum devact act) |
368 | { |
369 | struct uipaq_softc *sc = device_private(self); |
370 | |
371 | switch (act) { |
372 | case DVACT_DEACTIVATE: |
373 | sc->sc_dying = 1; |
374 | return 0; |
375 | default: |
376 | return EOPNOTSUPP; |
377 | } |
378 | } |
379 | |
380 | void |
381 | uipaq_childdet(device_t self, device_t child) |
382 | { |
383 | struct uipaq_softc *sc = device_private(self); |
384 | |
385 | KASSERT(sc->sc_subdev == child); |
386 | sc->sc_subdev = NULL; |
387 | } |
388 | |
389 | int |
390 | uipaq_detach(device_t self, int flags) |
391 | { |
392 | struct uipaq_softc *sc = device_private(self); |
393 | int rv = 0; |
394 | |
395 | DPRINTF(("uipaq_detach: sc=%p flags=%d\n" , sc, flags)); |
396 | sc->sc_dying = 1; |
397 | if (sc->sc_subdev != NULL) |
398 | rv |= config_detach(sc->sc_subdev, flags); |
399 | |
400 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
401 | |
402 | return rv; |
403 | } |
404 | |
405 | |