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47#include <linux/kernel.h>
48#include <linux/errno.h>
49#include <linux/init.h>
50#include <linux/slab.h>
51#include <linux/tty.h>
52#include <linux/tty_driver.h>
53#include <linux/tty_flip.h>
54#include <linux/module.h>
55#include <linux/spinlock.h>
56#include <linux/uaccess.h>
57#include <linux/usb.h>
58#include <linux/usb/serial.h>
59#include "ipaq.h"
60
61#define KP_RETRIES 100
62
63
64
65
66
67#define DRIVER_VERSION "v0.5"
68#define DRIVER_AUTHOR "Ganesh Varadarajan <ganesh@veritas.com>"
69#define DRIVER_DESC "USB PocketPC PDA driver"
70
71static __u16 product, vendor;
72static int debug;
73static int connect_retries = KP_RETRIES;
74static int initial_wait;
75
76
77static int ipaq_open(struct tty_struct *tty,
78 struct usb_serial_port *port);
79static void ipaq_close(struct usb_serial_port *port);
80static int ipaq_calc_num_ports(struct usb_serial *serial);
81static int ipaq_startup(struct usb_serial *serial);
82static int ipaq_write(struct tty_struct *tty, struct usb_serial_port *port,
83 const unsigned char *buf, int count);
84static int ipaq_write_bulk(struct usb_serial_port *port,
85 const unsigned char *buf, int count);
86static void ipaq_write_gather(struct usb_serial_port *port);
87static void ipaq_read_bulk_callback(struct urb *urb);
88static void ipaq_write_bulk_callback(struct urb *urb);
89static int ipaq_write_room(struct tty_struct *tty);
90static int ipaq_chars_in_buffer(struct tty_struct *tty);
91static void ipaq_destroy_lists(struct usb_serial_port *port);
92
93
94static struct usb_device_id ipaq_id_table [] = {
95
96 { USB_DEVICE(0x049F, 0x0003) },
97 { USB_DEVICE(0x0104, 0x00BE) },
98 { USB_DEVICE(0x03F0, 0x1016) },
99 { USB_DEVICE(0x03F0, 0x1116) },
100 { USB_DEVICE(0x03F0, 0x1216) },
101 { USB_DEVICE(0x03F0, 0x2016) },
102 { USB_DEVICE(0x03F0, 0x2116) },
103 { USB_DEVICE(0x03F0, 0x2216) },
104 { USB_DEVICE(0x03F0, 0x3016) },
105 { USB_DEVICE(0x03F0, 0x3116) },
106 { USB_DEVICE(0x03F0, 0x3216) },
107 { USB_DEVICE(0x03F0, 0x4016) },
108 { USB_DEVICE(0x03F0, 0x4116) },
109 { USB_DEVICE(0x03F0, 0x4216) },
110 { USB_DEVICE(0x03F0, 0x5016) },
111 { USB_DEVICE(0x03F0, 0x5116) },
112 { USB_DEVICE(0x03F0, 0x5216) },
113 { USB_DEVICE(0x0409, 0x00D5) },
114 { USB_DEVICE(0x0409, 0x00D6) },
115 { USB_DEVICE(0x0409, 0x00D7) },
116 { USB_DEVICE(0x0409, 0x8024) },
117 { USB_DEVICE(0x0409, 0x8025) },
118 { USB_DEVICE(0x043E, 0x9C01) },
119 { USB_DEVICE(0x045E, 0x00CE) },
120 { USB_DEVICE(0x045E, 0x0400) },
121 { USB_DEVICE(0x045E, 0x0401) },
122 { USB_DEVICE(0x045E, 0x0402) },
123 { USB_DEVICE(0x045E, 0x0403) },
124 { USB_DEVICE(0x045E, 0x0404) },
125 { USB_DEVICE(0x045E, 0x0405) },
126 { USB_DEVICE(0x045E, 0x0406) },
127 { USB_DEVICE(0x045E, 0x0407) },
128 { USB_DEVICE(0x045E, 0x0408) },
129 { USB_DEVICE(0x045E, 0x0409) },
130 { USB_DEVICE(0x045E, 0x040A) },
131 { USB_DEVICE(0x045E, 0x040B) },
132 { USB_DEVICE(0x045E, 0x040C) },
133 { USB_DEVICE(0x045E, 0x040D) },
134 { USB_DEVICE(0x045E, 0x040E) },
135 { USB_DEVICE(0x045E, 0x040F) },
136 { USB_DEVICE(0x045E, 0x0410) },
137 { USB_DEVICE(0x045E, 0x0411) },
138 { USB_DEVICE(0x045E, 0x0412) },
139 { USB_DEVICE(0x045E, 0x0413) },
140 { USB_DEVICE(0x045E, 0x0414) },
141 { USB_DEVICE(0x045E, 0x0415) },
142 { USB_DEVICE(0x045E, 0x0416) },
143 { USB_DEVICE(0x045E, 0x0417) },
144 { USB_DEVICE(0x045E, 0x0432) },
145 { USB_DEVICE(0x045E, 0x0433) },
146 { USB_DEVICE(0x045E, 0x0434) },
147 { USB_DEVICE(0x045E, 0x0435) },
148 { USB_DEVICE(0x045E, 0x0436) },
149 { USB_DEVICE(0x045E, 0x0437) },
150 { USB_DEVICE(0x045E, 0x0438) },
151 { USB_DEVICE(0x045E, 0x0439) },
152 { USB_DEVICE(0x045E, 0x043A) },
153 { USB_DEVICE(0x045E, 0x043B) },
154 { USB_DEVICE(0x045E, 0x043C) },
155 { USB_DEVICE(0x045E, 0x043D) },
156 { USB_DEVICE(0x045E, 0x043E) },
157 { USB_DEVICE(0x045E, 0x043F) },
158 { USB_DEVICE(0x045E, 0x0440) },
159 { USB_DEVICE(0x045E, 0x0441) },
160 { USB_DEVICE(0x045E, 0x0442) },
161 { USB_DEVICE(0x045E, 0x0443) },
162 { USB_DEVICE(0x045E, 0x0444) },
163 { USB_DEVICE(0x045E, 0x0445) },
164 { USB_DEVICE(0x045E, 0x0446) },
165 { USB_DEVICE(0x045E, 0x0447) },
166 { USB_DEVICE(0x045E, 0x0448) },
167 { USB_DEVICE(0x045E, 0x0449) },
168 { USB_DEVICE(0x045E, 0x044A) },
169 { USB_DEVICE(0x045E, 0x044B) },
170 { USB_DEVICE(0x045E, 0x044C) },
171 { USB_DEVICE(0x045E, 0x044D) },
172 { USB_DEVICE(0x045E, 0x044E) },
173 { USB_DEVICE(0x045E, 0x044F) },
174 { USB_DEVICE(0x045E, 0x0450) },
175 { USB_DEVICE(0x045E, 0x0451) },
176 { USB_DEVICE(0x045E, 0x0452) },
177 { USB_DEVICE(0x045E, 0x0453) },
178 { USB_DEVICE(0x045E, 0x0454) },
179 { USB_DEVICE(0x045E, 0x0455) },
180 { USB_DEVICE(0x045E, 0x0456) },
181 { USB_DEVICE(0x045E, 0x0457) },
182 { USB_DEVICE(0x045E, 0x0458) },
183 { USB_DEVICE(0x045E, 0x0459) },
184 { USB_DEVICE(0x045E, 0x045A) },
185 { USB_DEVICE(0x045E, 0x045B) },
186 { USB_DEVICE(0x045E, 0x045C) },
187 { USB_DEVICE(0x045E, 0x045D) },
188 { USB_DEVICE(0x045E, 0x045E) },
189 { USB_DEVICE(0x045E, 0x045F) },
190 { USB_DEVICE(0x045E, 0x0460) },
191 { USB_DEVICE(0x045E, 0x0461) },
192 { USB_DEVICE(0x045E, 0x0462) },
193 { USB_DEVICE(0x045E, 0x0463) },
194 { USB_DEVICE(0x045E, 0x0464) },
195 { USB_DEVICE(0x045E, 0x0465) },
196 { USB_DEVICE(0x045E, 0x0466) },
197 { USB_DEVICE(0x045E, 0x0467) },
198 { USB_DEVICE(0x045E, 0x0468) },
199 { USB_DEVICE(0x045E, 0x0469) },
200 { USB_DEVICE(0x045E, 0x046A) },
201 { USB_DEVICE(0x045E, 0x046B) },
202 { USB_DEVICE(0x045E, 0x046C) },
203 { USB_DEVICE(0x045E, 0x046D) },
204 { USB_DEVICE(0x045E, 0x046E) },
205 { USB_DEVICE(0x045E, 0x046F) },
206 { USB_DEVICE(0x045E, 0x0470) },
207 { USB_DEVICE(0x045E, 0x0471) },
208 { USB_DEVICE(0x045E, 0x0472) },
209 { USB_DEVICE(0x045E, 0x0473) },
210 { USB_DEVICE(0x045E, 0x0474) },
211 { USB_DEVICE(0x045E, 0x0475) },
212 { USB_DEVICE(0x045E, 0x0476) },
213 { USB_DEVICE(0x045E, 0x0477) },
214 { USB_DEVICE(0x045E, 0x0478) },
215 { USB_DEVICE(0x045E, 0x0479) },
216 { USB_DEVICE(0x045E, 0x047A) },
217 { USB_DEVICE(0x045E, 0x047B) },
218 { USB_DEVICE(0x045E, 0x04C8) },
219 { USB_DEVICE(0x045E, 0x04C9) },
220 { USB_DEVICE(0x045E, 0x04CA) },
221 { USB_DEVICE(0x045E, 0x04CB) },
222 { USB_DEVICE(0x045E, 0x04CC) },
223 { USB_DEVICE(0x045E, 0x04CD) },
224 { USB_DEVICE(0x045E, 0x04CE) },
225 { USB_DEVICE(0x045E, 0x04D7) },
226 { USB_DEVICE(0x045E, 0x04D8) },
227 { USB_DEVICE(0x045E, 0x04D9) },
228 { USB_DEVICE(0x045E, 0x04DA) },
229 { USB_DEVICE(0x045E, 0x04DB) },
230 { USB_DEVICE(0x045E, 0x04DC) },
231 { USB_DEVICE(0x045E, 0x04DD) },
232 { USB_DEVICE(0x045E, 0x04DE) },
233 { USB_DEVICE(0x045E, 0x04DF) },
234 { USB_DEVICE(0x045E, 0x04E0) },
235 { USB_DEVICE(0x045E, 0x04E1) },
236 { USB_DEVICE(0x045E, 0x04E2) },
237 { USB_DEVICE(0x045E, 0x04E3) },
238 { USB_DEVICE(0x045E, 0x04E4) },
239 { USB_DEVICE(0x045E, 0x04E5) },
240 { USB_DEVICE(0x045E, 0x04E6) },
241 { USB_DEVICE(0x045E, 0x04E7) },
242 { USB_DEVICE(0x045E, 0x04E8) },
243 { USB_DEVICE(0x045E, 0x04E9) },
244 { USB_DEVICE(0x045E, 0x04EA) },
245 { USB_DEVICE(0x049F, 0x0003) },
246 { USB_DEVICE(0x049F, 0x0032) },
247 { USB_DEVICE(0x04A4, 0x0014) },
248 { USB_DEVICE(0x04AD, 0x0301) },
249 { USB_DEVICE(0x04AD, 0x0302) },
250 { USB_DEVICE(0x04AD, 0x0303) },
251 { USB_DEVICE(0x04AD, 0x0306) },
252 { USB_DEVICE(0x04B7, 0x0531) },
253 { USB_DEVICE(0x04C5, 0x1058) },
254 { USB_DEVICE(0x04C5, 0x1079) },
255 { USB_DEVICE(0x04DA, 0x2500) },
256 { USB_DEVICE(0x04DD, 0x9102) },
257 { USB_DEVICE(0x04DD, 0x9121) },
258 { USB_DEVICE(0x04DD, 0x9123) },
259 { USB_DEVICE(0x04DD, 0x9151) },
260 { USB_DEVICE(0x04DD, 0x91AC) },
261 { USB_DEVICE(0x04E8, 0x5F00) },
262 { USB_DEVICE(0x04E8, 0x5F01) },
263 { USB_DEVICE(0x04E8, 0x5F02) },
264 { USB_DEVICE(0x04E8, 0x5F03) },
265 { USB_DEVICE(0x04E8, 0x5F04) },
266 { USB_DEVICE(0x04E8, 0x6611) },
267 { USB_DEVICE(0x04E8, 0x6613) },
268 { USB_DEVICE(0x04E8, 0x6615) },
269 { USB_DEVICE(0x04E8, 0x6617) },
270 { USB_DEVICE(0x04E8, 0x6619) },
271 { USB_DEVICE(0x04E8, 0x661B) },
272 { USB_DEVICE(0x04E8, 0x662E) },
273 { USB_DEVICE(0x04E8, 0x6630) },
274 { USB_DEVICE(0x04E8, 0x6632) },
275 { USB_DEVICE(0x04f1, 0x3011) },
276 { USB_DEVICE(0x04F1, 0x3012) },
277 { USB_DEVICE(0x0502, 0x1631) },
278 { USB_DEVICE(0x0502, 0x1632) },
279 { USB_DEVICE(0x0502, 0x16E1) },
280 { USB_DEVICE(0x0502, 0x16E2) },
281 { USB_DEVICE(0x0502, 0x16E3) },
282 { USB_DEVICE(0x0536, 0x01A0) },
283 { USB_DEVICE(0x0543, 0x0ED9) },
284 { USB_DEVICE(0x0543, 0x1527) },
285 { USB_DEVICE(0x0543, 0x1529) },
286 { USB_DEVICE(0x0543, 0x152B) },
287 { USB_DEVICE(0x0543, 0x152E) },
288 { USB_DEVICE(0x0543, 0x1921) },
289 { USB_DEVICE(0x0543, 0x1922) },
290 { USB_DEVICE(0x0543, 0x1923) },
291 { USB_DEVICE(0x05E0, 0x2000) },
292 { USB_DEVICE(0x05E0, 0x2001) },
293 { USB_DEVICE(0x05E0, 0x2002) },
294 { USB_DEVICE(0x05E0, 0x2003) },
295 { USB_DEVICE(0x05E0, 0x2004) },
296 { USB_DEVICE(0x05E0, 0x2005) },
297 { USB_DEVICE(0x05E0, 0x2006) },
298 { USB_DEVICE(0x05E0, 0x2007) },
299 { USB_DEVICE(0x05E0, 0x2008) },
300 { USB_DEVICE(0x05E0, 0x2009) },
301 { USB_DEVICE(0x05E0, 0x200A) },
302 { USB_DEVICE(0x067E, 0x1001) },
303 { USB_DEVICE(0x07CF, 0x2001) },
304 { USB_DEVICE(0x07CF, 0x2002) },
305 { USB_DEVICE(0x07CF, 0x2003) },
306 { USB_DEVICE(0x0930, 0x0700) },
307 { USB_DEVICE(0x0930, 0x0705) },
308 { USB_DEVICE(0x0930, 0x0706) },
309 { USB_DEVICE(0x0930, 0x0707) },
310 { USB_DEVICE(0x0930, 0x0708) },
311 { USB_DEVICE(0x0930, 0x0709) },
312 { USB_DEVICE(0x0930, 0x070A) },
313 { USB_DEVICE(0x0930, 0x070B) },
314 { USB_DEVICE(0x094B, 0x0001) },
315 { USB_DEVICE(0x0960, 0x0065) },
316 { USB_DEVICE(0x0960, 0x0066) },
317 { USB_DEVICE(0x0960, 0x0067) },
318 { USB_DEVICE(0x0961, 0x0010) },
319 { USB_DEVICE(0x099E, 0x0052) },
320 { USB_DEVICE(0x099E, 0x4000) },
321 { USB_DEVICE(0x0B05, 0x4200) },
322 { USB_DEVICE(0x0B05, 0x4201) },
323 { USB_DEVICE(0x0B05, 0x4202) },
324 { USB_DEVICE(0x0B05, 0x420F) },
325 { USB_DEVICE(0x0B05, 0x9200) },
326 { USB_DEVICE(0x0B05, 0x9202) },
327 { USB_DEVICE(0x0BB4, 0x00CE) },
328 { USB_DEVICE(0x0BB4, 0x00CF) },
329 { USB_DEVICE(0x0BB4, 0x0A01) },
330 { USB_DEVICE(0x0BB4, 0x0A02) },
331 { USB_DEVICE(0x0BB4, 0x0A03) },
332 { USB_DEVICE(0x0BB4, 0x0A04) },
333 { USB_DEVICE(0x0BB4, 0x0A05) },
334 { USB_DEVICE(0x0BB4, 0x0A06) },
335 { USB_DEVICE(0x0BB4, 0x0A07) },
336 { USB_DEVICE(0x0BB4, 0x0A08) },
337 { USB_DEVICE(0x0BB4, 0x0A09) },
338 { USB_DEVICE(0x0BB4, 0x0A0A) },
339 { USB_DEVICE(0x0BB4, 0x0A0B) },
340 { USB_DEVICE(0x0BB4, 0x0A0C) },
341 { USB_DEVICE(0x0BB4, 0x0A0D) },
342 { USB_DEVICE(0x0BB4, 0x0A0E) },
343 { USB_DEVICE(0x0BB4, 0x0A0F) },
344 { USB_DEVICE(0x0BB4, 0x0A10) },
345 { USB_DEVICE(0x0BB4, 0x0A11) },
346 { USB_DEVICE(0x0BB4, 0x0A12) },
347 { USB_DEVICE(0x0BB4, 0x0A13) },
348 { USB_DEVICE(0x0BB4, 0x0A14) },
349 { USB_DEVICE(0x0BB4, 0x0A15) },
350 { USB_DEVICE(0x0BB4, 0x0A16) },
351 { USB_DEVICE(0x0BB4, 0x0A17) },
352 { USB_DEVICE(0x0BB4, 0x0A18) },
353 { USB_DEVICE(0x0BB4, 0x0A19) },
354 { USB_DEVICE(0x0BB4, 0x0A1A) },
355 { USB_DEVICE(0x0BB4, 0x0A1B) },
356 { USB_DEVICE(0x0BB4, 0x0A1C) },
357 { USB_DEVICE(0x0BB4, 0x0A1D) },
358 { USB_DEVICE(0x0BB4, 0x0A1E) },
359 { USB_DEVICE(0x0BB4, 0x0A1F) },
360 { USB_DEVICE(0x0BB4, 0x0A20) },
361 { USB_DEVICE(0x0BB4, 0x0A21) },
362 { USB_DEVICE(0x0BB4, 0x0A22) },
363 { USB_DEVICE(0x0BB4, 0x0A23) },
364 { USB_DEVICE(0x0BB4, 0x0A24) },
365 { USB_DEVICE(0x0BB4, 0x0A25) },
366 { USB_DEVICE(0x0BB4, 0x0A26) },
367 { USB_DEVICE(0x0BB4, 0x0A27) },
368 { USB_DEVICE(0x0BB4, 0x0A28) },
369 { USB_DEVICE(0x0BB4, 0x0A29) },
370 { USB_DEVICE(0x0BB4, 0x0A2A) },
371 { USB_DEVICE(0x0BB4, 0x0A2B) },
372 { USB_DEVICE(0x0BB4, 0x0A2C) },
373 { USB_DEVICE(0x0BB4, 0x0A2D) },
374 { USB_DEVICE(0x0BB4, 0x0A2E) },
375 { USB_DEVICE(0x0BB4, 0x0A2F) },
376 { USB_DEVICE(0x0BB4, 0x0A30) },
377 { USB_DEVICE(0x0BB4, 0x0A31) },
378 { USB_DEVICE(0x0BB4, 0x0A32) },
379 { USB_DEVICE(0x0BB4, 0x0A33) },
380 { USB_DEVICE(0x0BB4, 0x0A34) },
381 { USB_DEVICE(0x0BB4, 0x0A35) },
382 { USB_DEVICE(0x0BB4, 0x0A36) },
383 { USB_DEVICE(0x0BB4, 0x0A37) },
384 { USB_DEVICE(0x0BB4, 0x0A38) },
385 { USB_DEVICE(0x0BB4, 0x0A39) },
386 { USB_DEVICE(0x0BB4, 0x0A3A) },
387 { USB_DEVICE(0x0BB4, 0x0A3B) },
388 { USB_DEVICE(0x0BB4, 0x0A3C) },
389 { USB_DEVICE(0x0BB4, 0x0A3D) },
390 { USB_DEVICE(0x0BB4, 0x0A3E) },
391 { USB_DEVICE(0x0BB4, 0x0A3F) },
392 { USB_DEVICE(0x0BB4, 0x0A40) },
393 { USB_DEVICE(0x0BB4, 0x0A41) },
394 { USB_DEVICE(0x0BB4, 0x0A42) },
395 { USB_DEVICE(0x0BB4, 0x0A43) },
396 { USB_DEVICE(0x0BB4, 0x0A44) },
397 { USB_DEVICE(0x0BB4, 0x0A45) },
398 { USB_DEVICE(0x0BB4, 0x0A46) },
399 { USB_DEVICE(0x0BB4, 0x0A47) },
400 { USB_DEVICE(0x0BB4, 0x0A48) },
401 { USB_DEVICE(0x0BB4, 0x0A49) },
402 { USB_DEVICE(0x0BB4, 0x0A4A) },
403 { USB_DEVICE(0x0BB4, 0x0A4B) },
404 { USB_DEVICE(0x0BB4, 0x0A4C) },
405 { USB_DEVICE(0x0BB4, 0x0A4D) },
406 { USB_DEVICE(0x0BB4, 0x0A4E) },
407 { USB_DEVICE(0x0BB4, 0x0A4F) },
408 { USB_DEVICE(0x0BB4, 0x0A50) },
409 { USB_DEVICE(0x0BB4, 0x0A51) },
410 { USB_DEVICE(0x0BB4, 0x0A52) },
411 { USB_DEVICE(0x0BB4, 0x0A53) },
412 { USB_DEVICE(0x0BB4, 0x0A54) },
413 { USB_DEVICE(0x0BB4, 0x0A55) },
414 { USB_DEVICE(0x0BB4, 0x0A56) },
415 { USB_DEVICE(0x0BB4, 0x0A57) },
416 { USB_DEVICE(0x0BB4, 0x0A58) },
417 { USB_DEVICE(0x0BB4, 0x0A59) },
418 { USB_DEVICE(0x0BB4, 0x0A5A) },
419 { USB_DEVICE(0x0BB4, 0x0A5B) },
420 { USB_DEVICE(0x0BB4, 0x0A5C) },
421 { USB_DEVICE(0x0BB4, 0x0A5D) },
422 { USB_DEVICE(0x0BB4, 0x0A5E) },
423 { USB_DEVICE(0x0BB4, 0x0A5F) },
424 { USB_DEVICE(0x0BB4, 0x0A60) },
425 { USB_DEVICE(0x0BB4, 0x0A61) },
426 { USB_DEVICE(0x0BB4, 0x0A62) },
427 { USB_DEVICE(0x0BB4, 0x0A63) },
428 { USB_DEVICE(0x0BB4, 0x0A64) },
429 { USB_DEVICE(0x0BB4, 0x0A65) },
430 { USB_DEVICE(0x0BB4, 0x0A66) },
431 { USB_DEVICE(0x0BB4, 0x0A67) },
432 { USB_DEVICE(0x0BB4, 0x0A68) },
433 { USB_DEVICE(0x0BB4, 0x0A69) },
434 { USB_DEVICE(0x0BB4, 0x0A6A) },
435 { USB_DEVICE(0x0BB4, 0x0A6B) },
436 { USB_DEVICE(0x0BB4, 0x0A6C) },
437 { USB_DEVICE(0x0BB4, 0x0A6D) },
438 { USB_DEVICE(0x0BB4, 0x0A6E) },
439 { USB_DEVICE(0x0BB4, 0x0A6F) },
440 { USB_DEVICE(0x0BB4, 0x0A70) },
441 { USB_DEVICE(0x0BB4, 0x0A71) },
442 { USB_DEVICE(0x0BB4, 0x0A72) },
443 { USB_DEVICE(0x0BB4, 0x0A73) },
444 { USB_DEVICE(0x0BB4, 0x0A74) },
445 { USB_DEVICE(0x0BB4, 0x0A75) },
446 { USB_DEVICE(0x0BB4, 0x0A76) },
447 { USB_DEVICE(0x0BB4, 0x0A77) },
448 { USB_DEVICE(0x0BB4, 0x0A78) },
449 { USB_DEVICE(0x0BB4, 0x0A79) },
450 { USB_DEVICE(0x0BB4, 0x0A7A) },
451 { USB_DEVICE(0x0BB4, 0x0A7B) },
452 { USB_DEVICE(0x0BB4, 0x0A7C) },
453 { USB_DEVICE(0x0BB4, 0x0A7D) },
454 { USB_DEVICE(0x0BB4, 0x0A7E) },
455 { USB_DEVICE(0x0BB4, 0x0A7F) },
456 { USB_DEVICE(0x0BB4, 0x0A80) },
457 { USB_DEVICE(0x0BB4, 0x0A81) },
458 { USB_DEVICE(0x0BB4, 0x0A82) },
459 { USB_DEVICE(0x0BB4, 0x0A83) },
460 { USB_DEVICE(0x0BB4, 0x0A84) },
461 { USB_DEVICE(0x0BB4, 0x0A85) },
462 { USB_DEVICE(0x0BB4, 0x0A86) },
463 { USB_DEVICE(0x0BB4, 0x0A87) },
464 { USB_DEVICE(0x0BB4, 0x0A88) },
465 { USB_DEVICE(0x0BB4, 0x0A89) },
466 { USB_DEVICE(0x0BB4, 0x0A8A) },
467 { USB_DEVICE(0x0BB4, 0x0A8B) },
468 { USB_DEVICE(0x0BB4, 0x0A8C) },
469 { USB_DEVICE(0x0BB4, 0x0A8D) },
470 { USB_DEVICE(0x0BB4, 0x0A8E) },
471 { USB_DEVICE(0x0BB4, 0x0A8F) },
472 { USB_DEVICE(0x0BB4, 0x0A90) },
473 { USB_DEVICE(0x0BB4, 0x0A91) },
474 { USB_DEVICE(0x0BB4, 0x0A92) },
475 { USB_DEVICE(0x0BB4, 0x0A93) },
476 { USB_DEVICE(0x0BB4, 0x0A94) },
477 { USB_DEVICE(0x0BB4, 0x0A95) },
478 { USB_DEVICE(0x0BB4, 0x0A96) },
479 { USB_DEVICE(0x0BB4, 0x0A97) },
480 { USB_DEVICE(0x0BB4, 0x0A98) },
481 { USB_DEVICE(0x0BB4, 0x0A99) },
482 { USB_DEVICE(0x0BB4, 0x0A9A) },
483 { USB_DEVICE(0x0BB4, 0x0A9B) },
484 { USB_DEVICE(0x0BB4, 0x0A9C) },
485 { USB_DEVICE(0x0BB4, 0x0A9D) },
486 { USB_DEVICE(0x0BB4, 0x0A9E) },
487 { USB_DEVICE(0x0BB4, 0x0A9F) },
488 { USB_DEVICE(0x0BB4, 0x0BCE) },
489 { USB_DEVICE(0x0BF8, 0x1001) },
490 { USB_DEVICE(0x0C44, 0x03A2) },
491 { USB_DEVICE(0x0C8E, 0x6000) },
492 { USB_DEVICE(0x0CAD, 0x9001) },
493 { USB_DEVICE(0x0F4E, 0x0200) },
494 { USB_DEVICE(0x0F98, 0x0201) },
495 { USB_DEVICE(0x0FB8, 0x3001) },
496 { USB_DEVICE(0x0FB8, 0x3002) },
497 { USB_DEVICE(0x0FB8, 0x3003) },
498 { USB_DEVICE(0x0FB8, 0x4001) },
499 { USB_DEVICE(0x1066, 0x00CE) },
500 { USB_DEVICE(0x1066, 0x0300) },
501 { USB_DEVICE(0x1066, 0x0500) },
502 { USB_DEVICE(0x1066, 0x0600) },
503 { USB_DEVICE(0x1066, 0x0700) },
504 { USB_DEVICE(0x1114, 0x0001) },
505 { USB_DEVICE(0x1114, 0x0004) },
506 { USB_DEVICE(0x1114, 0x0006) },
507 { USB_DEVICE(0x1182, 0x1388) },
508 { USB_DEVICE(0x11D9, 0x1002) },
509 { USB_DEVICE(0x11D9, 0x1003) },
510 { USB_DEVICE(0x1231, 0xCE01) },
511 { USB_DEVICE(0x1231, 0xCE02) },
512 { USB_DEVICE(0x1690, 0x0601) },
513 { USB_DEVICE(0x22B8, 0x4204) },
514 { USB_DEVICE(0x22B8, 0x4214) },
515 { USB_DEVICE(0x22B8, 0x4224) },
516 { USB_DEVICE(0x22B8, 0x4234) },
517 { USB_DEVICE(0x22B8, 0x4244) },
518 { USB_DEVICE(0x3340, 0x011C) },
519 { USB_DEVICE(0x3340, 0x0326) },
520 { USB_DEVICE(0x3340, 0x0426) },
521 { USB_DEVICE(0x3340, 0x043A) },
522 { USB_DEVICE(0x3340, 0x051C) },
523 { USB_DEVICE(0x3340, 0x053A) },
524 { USB_DEVICE(0x3340, 0x071C) },
525 { USB_DEVICE(0x3340, 0x0B1C) },
526 { USB_DEVICE(0x3340, 0x0E3A) },
527 { USB_DEVICE(0x3340, 0x0F1C) },
528 { USB_DEVICE(0x3340, 0x0F3A) },
529 { USB_DEVICE(0x3340, 0x1326) },
530 { USB_DEVICE(0x3340, 0x191C) },
531 { USB_DEVICE(0x3340, 0x2326) },
532 { USB_DEVICE(0x3340, 0x3326) },
533 { USB_DEVICE(0x3708, 0x20CE) },
534 { USB_DEVICE(0x3708, 0x21CE) },
535 { USB_DEVICE(0x4113, 0x0210) },
536 { USB_DEVICE(0x4113, 0x0211) },
537 { USB_DEVICE(0x4113, 0x0400) },
538 { USB_DEVICE(0x4113, 0x0410) },
539 { USB_DEVICE(0x413C, 0x4001) },
540 { USB_DEVICE(0x413C, 0x4002) },
541 { USB_DEVICE(0x413C, 0x4003) },
542 { USB_DEVICE(0x413C, 0x4004) },
543 { USB_DEVICE(0x413C, 0x4005) },
544 { USB_DEVICE(0x413C, 0x4006) },
545 { USB_DEVICE(0x413C, 0x4007) },
546 { USB_DEVICE(0x413C, 0x4008) },
547 { USB_DEVICE(0x413C, 0x4009) },
548 { USB_DEVICE(0x4505, 0x0010) },
549 { USB_DEVICE(0x5E04, 0xCE00) },
550 { USB_DEVICE(0x0BB4, 0x00CF) },
551 { }
552};
553
554MODULE_DEVICE_TABLE(usb, ipaq_id_table);
555
556static struct usb_driver ipaq_driver = {
557 .name = "ipaq",
558 .probe = usb_serial_probe,
559 .disconnect = usb_serial_disconnect,
560 .id_table = ipaq_id_table,
561 .no_dynamic_id = 1,
562};
563
564
565
566static struct usb_serial_driver ipaq_device = {
567 .driver = {
568 .owner = THIS_MODULE,
569 .name = "ipaq",
570 },
571 .description = "PocketPC PDA",
572 .usb_driver = &ipaq_driver,
573 .id_table = ipaq_id_table,
574 .open = ipaq_open,
575 .close = ipaq_close,
576 .attach = ipaq_startup,
577 .calc_num_ports = ipaq_calc_num_ports,
578 .write = ipaq_write,
579 .write_room = ipaq_write_room,
580 .chars_in_buffer = ipaq_chars_in_buffer,
581 .read_bulk_callback = ipaq_read_bulk_callback,
582 .write_bulk_callback = ipaq_write_bulk_callback,
583};
584
585static spinlock_t write_list_lock;
586static int bytes_in;
587static int bytes_out;
588
589static int ipaq_open(struct tty_struct *tty,
590 struct usb_serial_port *port)
591{
592 struct usb_serial *serial = port->serial;
593 struct ipaq_private *priv;
594 struct ipaq_packet *pkt;
595 int i, result = 0;
596 int retries = connect_retries;
597
598 dbg("%s - port %d", __func__, port->number);
599
600 bytes_in = 0;
601 bytes_out = 0;
602 priv = kmalloc(sizeof(struct ipaq_private), GFP_KERNEL);
603 if (priv == NULL) {
604 dev_err(&port->dev, "%s - Out of memory\n", __func__);
605 return -ENOMEM;
606 }
607 usb_set_serial_port_data(port, priv);
608 priv->active = 0;
609 priv->queue_len = 0;
610 priv->free_len = 0;
611 INIT_LIST_HEAD(&priv->queue);
612 INIT_LIST_HEAD(&priv->freelist);
613
614 for (i = 0; i < URBDATA_QUEUE_MAX / PACKET_SIZE; i++) {
615 pkt = kmalloc(sizeof(struct ipaq_packet), GFP_KERNEL);
616 if (pkt == NULL)
617 goto enomem;
618
619 pkt->data = kmalloc(PACKET_SIZE, GFP_KERNEL);
620 if (pkt->data == NULL) {
621 kfree(pkt);
622 goto enomem;
623 }
624 pkt->len = 0;
625 pkt->written = 0;
626 INIT_LIST_HEAD(&pkt->list);
627 list_add(&pkt->list, &priv->freelist);
628 priv->free_len += PACKET_SIZE;
629 }
630
631
632
633
634
635 kfree(port->bulk_in_buffer);
636 kfree(port->bulk_out_buffer);
637
638 port->bulk_out_buffer = NULL;
639
640 port->bulk_in_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL);
641 if (port->bulk_in_buffer == NULL)
642 goto enomem;
643
644 port->bulk_out_buffer = kmalloc(URBDATA_SIZE, GFP_KERNEL);
645 if (port->bulk_out_buffer == NULL) {
646
647 kfree(port->bulk_in_buffer);
648 port->bulk_in_buffer = NULL;
649 goto enomem;
650 }
651 port->read_urb->transfer_buffer = port->bulk_in_buffer;
652 port->write_urb->transfer_buffer = port->bulk_out_buffer;
653 port->read_urb->transfer_buffer_length = URBDATA_SIZE;
654 port->bulk_out_size = port->write_urb->transfer_buffer_length
655 = URBDATA_SIZE;
656
657 msleep(1000*initial_wait);
658
659
660
661
662
663
664
665
666
667 while (retries--) {
668 result = usb_control_msg(serial->dev,
669 usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
670 0x1, 0, NULL, 0, 100);
671 if (!result)
672 break;
673
674 msleep(1000);
675 }
676
677 if (!retries && result) {
678 dev_err(&port->dev, "%s - failed doing control urb, error %d\n", __func__, result);
679 goto error;
680 }
681
682
683 usb_fill_bulk_urb(port->read_urb, serial->dev,
684 usb_rcvbulkpipe(serial->dev, port->bulk_in_endpointAddress),
685 port->read_urb->transfer_buffer,
686 port->read_urb->transfer_buffer_length,
687 ipaq_read_bulk_callback, port);
688
689 result = usb_submit_urb(port->read_urb, GFP_KERNEL);
690 if (result) {
691 dev_err(&port->dev,
692 "%s - failed submitting read urb, error %d\n",
693 __func__, result);
694 goto error;
695 }
696
697 return 0;
698
699enomem:
700 result = -ENOMEM;
701 dev_err(&port->dev, "%s - Out of memory\n", __func__);
702error:
703 ipaq_destroy_lists(port);
704 kfree(priv);
705 return result;
706}
707
708
709static void ipaq_close(struct usb_serial_port *port)
710{
711 struct ipaq_private *priv = usb_get_serial_port_data(port);
712
713 dbg("%s - port %d", __func__, port->number);
714
715
716
717
718 usb_kill_urb(port->write_urb);
719 usb_kill_urb(port->read_urb);
720 ipaq_destroy_lists(port);
721 kfree(priv);
722 usb_set_serial_port_data(port, NULL);
723
724
725
726
727}
728
729static void ipaq_read_bulk_callback(struct urb *urb)
730{
731 struct usb_serial_port *port = urb->context;
732 struct tty_struct *tty;
733 unsigned char *data = urb->transfer_buffer;
734 int result;
735 int status = urb->status;
736
737 dbg("%s - port %d", __func__, port->number);
738
739 if (status) {
740 dbg("%s - nonzero read bulk status received: %d",
741 __func__, status);
742 return;
743 }
744
745 usb_serial_debug_data(debug, &port->dev, __func__,
746 urb->actual_length, data);
747
748 tty = tty_port_tty_get(&port->port);
749 if (tty && urb->actual_length) {
750 tty_buffer_request_room(tty, urb->actual_length);
751 tty_insert_flip_string(tty, data, urb->actual_length);
752 tty_flip_buffer_push(tty);
753 bytes_in += urb->actual_length;
754 }
755 tty_kref_put(tty);
756
757
758 usb_fill_bulk_urb(port->read_urb, port->serial->dev,
759 usb_rcvbulkpipe(port->serial->dev, port->bulk_in_endpointAddress),
760 port->read_urb->transfer_buffer,
761 port->read_urb->transfer_buffer_length,
762 ipaq_read_bulk_callback, port);
763 result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
764 if (result)
765 dev_err(&port->dev,
766 "%s - failed resubmitting read urb, error %d\n",
767 __func__, result);
768 return;
769}
770
771static int ipaq_write(struct tty_struct *tty, struct usb_serial_port *port,
772 const unsigned char *buf, int count)
773{
774 const unsigned char *current_position = buf;
775 int bytes_sent = 0;
776 int transfer_size;
777
778 dbg("%s - port %d", __func__, port->number);
779
780 while (count > 0) {
781 transfer_size = min(count, PACKET_SIZE);
782 if (ipaq_write_bulk(port, current_position, transfer_size))
783 break;
784 current_position += transfer_size;
785 bytes_sent += transfer_size;
786 count -= transfer_size;
787 bytes_out += transfer_size;
788 }
789
790 return bytes_sent;
791}
792
793static int ipaq_write_bulk(struct usb_serial_port *port,
794 const unsigned char *buf, int count)
795{
796 struct ipaq_private *priv = usb_get_serial_port_data(port);
797 struct ipaq_packet *pkt = NULL;
798 int result = 0;
799 unsigned long flags;
800
801 if (priv->free_len <= 0) {
802 dbg("%s - we're stuffed", __func__);
803 return -EAGAIN;
804 }
805
806 spin_lock_irqsave(&write_list_lock, flags);
807 if (!list_empty(&priv->freelist)) {
808 pkt = list_entry(priv->freelist.next, struct ipaq_packet, list);
809 list_del(&pkt->list);
810 priv->free_len -= PACKET_SIZE;
811 }
812 spin_unlock_irqrestore(&write_list_lock, flags);
813 if (pkt == NULL) {
814 dbg("%s - we're stuffed", __func__);
815 return -EAGAIN;
816 }
817
818 memcpy(pkt->data, buf, count);
819 usb_serial_debug_data(debug, &port->dev, __func__, count, pkt->data);
820
821 pkt->len = count;
822 pkt->written = 0;
823 spin_lock_irqsave(&write_list_lock, flags);
824 list_add_tail(&pkt->list, &priv->queue);
825 priv->queue_len += count;
826 if (priv->active == 0) {
827 priv->active = 1;
828 ipaq_write_gather(port);
829 spin_unlock_irqrestore(&write_list_lock, flags);
830 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
831 if (result)
832 dev_err(&port->dev,
833 "%s - failed submitting write urb, error %d\n",
834 __func__, result);
835 } else {
836 spin_unlock_irqrestore(&write_list_lock, flags);
837 }
838 return result;
839}
840
841static void ipaq_write_gather(struct usb_serial_port *port)
842{
843 struct ipaq_private *priv = usb_get_serial_port_data(port);
844 struct usb_serial *serial = port->serial;
845 int count, room;
846 struct ipaq_packet *pkt, *tmp;
847 struct urb *urb = port->write_urb;
848
849 room = URBDATA_SIZE;
850 list_for_each_entry_safe(pkt, tmp, &priv->queue, list) {
851 count = min(room, (int)(pkt->len - pkt->written));
852 memcpy(urb->transfer_buffer + (URBDATA_SIZE - room),
853 pkt->data + pkt->written, count);
854 room -= count;
855 pkt->written += count;
856 priv->queue_len -= count;
857 if (pkt->written == pkt->len) {
858 list_move(&pkt->list, &priv->freelist);
859 priv->free_len += PACKET_SIZE;
860 }
861 if (room == 0)
862 break;
863 }
864
865 count = URBDATA_SIZE - room;
866 usb_fill_bulk_urb(port->write_urb, serial->dev,
867 usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress),
868 port->write_urb->transfer_buffer, count,
869 ipaq_write_bulk_callback, port);
870 return;
871}
872
873static void ipaq_write_bulk_callback(struct urb *urb)
874{
875 struct usb_serial_port *port = urb->context;
876 struct ipaq_private *priv = usb_get_serial_port_data(port);
877 unsigned long flags;
878 int result;
879 int status = urb->status;
880
881 dbg("%s - port %d", __func__, port->number);
882
883 if (status) {
884 dbg("%s - nonzero write bulk status received: %d",
885 __func__, status);
886 return;
887 }
888
889 spin_lock_irqsave(&write_list_lock, flags);
890 if (!list_empty(&priv->queue)) {
891 ipaq_write_gather(port);
892 spin_unlock_irqrestore(&write_list_lock, flags);
893 result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
894 if (result)
895 dev_err(&port->dev,
896 "%s - failed submitting write urb, error %d\n",
897 __func__, result);
898 } else {
899 priv->active = 0;
900 spin_unlock_irqrestore(&write_list_lock, flags);
901 }
902
903 usb_serial_port_softint(port);
904}
905
906static int ipaq_write_room(struct tty_struct *tty)
907{
908 struct usb_serial_port *port = tty->driver_data;
909 struct ipaq_private *priv = usb_get_serial_port_data(port);
910
911 dbg("%s - freelen %d", __func__, priv->free_len);
912 return priv->free_len;
913}
914
915static int ipaq_chars_in_buffer(struct tty_struct *tty)
916{
917 struct usb_serial_port *port = tty->driver_data;
918 struct ipaq_private *priv = usb_get_serial_port_data(port);
919
920 dbg("%s - queuelen %d", __func__, priv->queue_len);
921 return priv->queue_len;
922}
923
924static void ipaq_destroy_lists(struct usb_serial_port *port)
925{
926 struct ipaq_private *priv = usb_get_serial_port_data(port);
927 struct ipaq_packet *pkt, *tmp;
928
929 list_for_each_entry_safe(pkt, tmp, &priv->queue, list) {
930 kfree(pkt->data);
931 kfree(pkt);
932 }
933 list_for_each_entry_safe(pkt, tmp, &priv->freelist, list) {
934 kfree(pkt->data);
935 kfree(pkt);
936 }
937}
938
939
940static int ipaq_calc_num_ports(struct usb_serial *serial)
941{
942
943
944
945
946
947 int ipaq_num_ports = 1;
948
949 dbg("%s - numberofendpoints: %d", __FUNCTION__,
950 (int)serial->interface->cur_altsetting->desc.bNumEndpoints);
951
952
953
954
955
956
957
958 if (serial->interface->cur_altsetting->desc.bNumEndpoints > 3) {
959 ipaq_num_ports = 2;
960 }
961
962 return ipaq_num_ports;
963}
964
965
966static int ipaq_startup(struct usb_serial *serial)
967{
968 dbg("%s", __func__);
969
970
971
972
973
974 if (serial->num_bulk_in < serial->num_ports ||
975 serial->num_bulk_out < serial->num_ports)
976 return -ENODEV;
977
978 if (serial->dev->actconfig->desc.bConfigurationValue != 1) {
979
980
981
982
983
984 dev_err(&serial->dev->dev, "active config #%d != 1 ??\n",
985 serial->dev->actconfig->desc.bConfigurationValue);
986 return -ENODEV;
987 }
988
989 dbg("%s - iPAQ module configured for %d ports",
990 __FUNCTION__, serial->num_ports);
991
992 return usb_reset_configuration(serial->dev);
993}
994
995static int __init ipaq_init(void)
996{
997 int retval;
998 spin_lock_init(&write_list_lock);
999 retval = usb_serial_register(&ipaq_device);
1000 if (retval)
1001 goto failed_usb_serial_register;
1002 if (vendor) {
1003 ipaq_id_table[0].idVendor = vendor;
1004 ipaq_id_table[0].idProduct = product;
1005 }
1006 retval = usb_register(&ipaq_driver);
1007 if (retval)
1008 goto failed_usb_register;
1009
1010 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
1011 DRIVER_DESC "\n");
1012 return 0;
1013failed_usb_register:
1014 usb_serial_deregister(&ipaq_device);
1015failed_usb_serial_register:
1016 return retval;
1017}
1018
1019
1020static void __exit ipaq_exit(void)
1021{
1022 usb_deregister(&ipaq_driver);
1023 usb_serial_deregister(&ipaq_device);
1024}
1025
1026
1027module_init(ipaq_init);
1028module_exit(ipaq_exit);
1029
1030MODULE_AUTHOR(DRIVER_AUTHOR);
1031MODULE_DESCRIPTION(DRIVER_DESC);
1032MODULE_LICENSE("GPL");
1033
1034module_param(debug, bool, S_IRUGO | S_IWUSR);
1035MODULE_PARM_DESC(debug, "Debug enabled or not");
1036
1037module_param(vendor, ushort, 0);
1038MODULE_PARM_DESC(vendor, "User specified USB idVendor");
1039
1040module_param(product, ushort, 0);
1041MODULE_PARM_DESC(product, "User specified USB idProduct");
1042
1043module_param(connect_retries, int, S_IRUGO|S_IWUSR);
1044MODULE_PARM_DESC(connect_retries,
1045 "Maximum number of connect retries (one second each)");
1046
1047module_param(initial_wait, int, S_IRUGO|S_IWUSR);
1048MODULE_PARM_DESC(initial_wait,
1049 "Time to wait before attempting a connection (in seconds)");
1050