Commit | Line | Data |
---|---|---|
1d3e2023 DR |
1 | /****************************************************************************** |
2 | * usbtouchscreen.c | |
3 | * Driver for USB Touchscreens, supporting those devices: | |
4 | * - eGalax Touchkit | |
5d892665 DR |
5 | * includes eTurboTouch CT-410/510/700 |
6 | * - 3M/Microtouch EX II series | |
1d3e2023 DR |
7 | * - ITM |
8 | * - PanJit TouchSet | |
5d892665 DR |
9 | * - eTurboTouch |
10 | * - Gunze AHL61 | |
24ced062 | 11 | * - DMC TSC-10/25 |
df561fcd | 12 | * - IRTOUCHSYSTEMS/UNITOP |
a14a8401 | 13 | * - IdealTEK URTC1000 |
62aa366d | 14 | * - General Touch |
14e40206 | 15 | * - GoTop Super_Q2/GogoPen/PenPower tablets |
f7370699 | 16 | * - JASTEC USB touch controller/DigiTech DTR-02U |
2330ed18 | 17 | * - Zytronic capacitive touchscreen |
5197424c | 18 | * - NEXIO/iNexio |
1d3e2023 | 19 | * |
14e40206 | 20 | * Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch> |
1d3e2023 DR |
21 | * Copyright (C) by Todd E. Johnson (mtouchusb.c) |
22 | * | |
23 | * This program is free software; you can redistribute it and/or | |
24 | * modify it under the terms of the GNU General Public License as | |
25 | * published by the Free Software Foundation; either version 2 of the | |
26 | * License, or (at your option) any later version. | |
27 | * | |
28 | * This program is distributed in the hope that it will be useful, but | |
29 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
30 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
31 | * General Public License for more details. | |
32 | * | |
33 | * You should have received a copy of the GNU General Public License | |
34 | * along with this program; if not, write to the Free Software | |
35 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
36 | * | |
37 | * Driver is based on touchkitusb.c | |
38 | * - ITM parts are from itmtouch.c | |
39 | * - 3M parts are from mtouchusb.c | |
40 | * - PanJit parts are from an unmerged driver by Lanslott Gish | |
24ced062 HS |
41 | * - DMC TSC 10/25 are from Holger Schurig, with ideas from an unmerged |
42 | * driver from Marius Vollmer | |
1d3e2023 DR |
43 | * |
44 | *****************************************************************************/ | |
45 | ||
46 | //#define DEBUG | |
47 | ||
1d3e2023 DR |
48 | #include <linux/kernel.h> |
49 | #include <linux/slab.h> | |
50 | #include <linux/input.h> | |
51 | #include <linux/module.h> | |
52 | #include <linux/init.h> | |
53 | #include <linux/usb.h> | |
ae0dadcf | 54 | #include <linux/usb/input.h> |
ec42d448 | 55 | #include <linux/hid.h> |
1d3e2023 DR |
56 | |
57 | ||
62aa366d | 58 | #define DRIVER_VERSION "v0.6" |
1d3e2023 DR |
59 | #define DRIVER_AUTHOR "Daniel Ritz <daniel.ritz@gmx.ch>" |
60 | #define DRIVER_DESC "USB Touchscreen Driver" | |
61 | ||
62 | static int swap_xy; | |
63 | module_param(swap_xy, bool, 0644); | |
64 | MODULE_PARM_DESC(swap_xy, "If set X and Y axes are swapped."); | |
65 | ||
c9cbf3d3 DS |
66 | static int hwcalib_xy; |
67 | module_param(hwcalib_xy, bool, 0644); | |
68 | MODULE_PARM_DESC(hwcalib_xy, "If set hw-calibrated X/Y are used if available"); | |
69 | ||
1d3e2023 DR |
70 | /* device specifc data/functions */ |
71 | struct usbtouch_usb; | |
72 | struct usbtouch_device_info { | |
73 | int min_xc, max_xc; | |
74 | int min_yc, max_yc; | |
75 | int min_press, max_press; | |
76 | int rept_size; | |
1d3e2023 | 77 | |
2330ed18 DS |
78 | /* |
79 | * Always service the USB devices irq not just when the input device is | |
80 | * open. This is useful when devices have a watchdog which prevents us | |
81 | * from periodically polling the device. Leave this unset unless your | |
82 | * touchscreen device requires it, as it does consume more of the USB | |
83 | * bandwidth. | |
84 | */ | |
85 | bool irq_always; | |
86 | ||
7d12e780 | 87 | void (*process_pkt) (struct usbtouch_usb *usbtouch, unsigned char *pkt, int len); |
62aa366d DR |
88 | |
89 | /* | |
90 | * used to get the packet len. possible return values: | |
91 | * > 0: packet len | |
92 | * = 0: skip one byte | |
93 | * < 0: -return value more bytes needed | |
94 | */ | |
5d892665 | 95 | int (*get_pkt_len) (unsigned char *pkt, int len); |
62aa366d | 96 | |
c9d8c2b3 | 97 | int (*read_data) (struct usbtouch_usb *usbtouch, unsigned char *pkt); |
a8aef622 | 98 | int (*alloc) (struct usbtouch_usb *usbtouch); |
1d3e2023 | 99 | int (*init) (struct usbtouch_usb *usbtouch); |
5197424c | 100 | void (*exit) (struct usbtouch_usb *usbtouch); |
1d3e2023 DR |
101 | }; |
102 | ||
1d3e2023 DR |
103 | /* a usbtouch device */ |
104 | struct usbtouch_usb { | |
105 | unsigned char *data; | |
106 | dma_addr_t data_dma; | |
107 | unsigned char *buffer; | |
108 | int buf_len; | |
109 | struct urb *irq; | |
fea4d14b | 110 | struct usb_interface *interface; |
1d3e2023 DR |
111 | struct input_dev *input; |
112 | struct usbtouch_device_info *type; | |
113 | char name[128]; | |
114 | char phys[64]; | |
5197424c | 115 | void *priv; |
c9d8c2b3 DR |
116 | |
117 | int x, y; | |
118 | int touch, press; | |
1d3e2023 DR |
119 | }; |
120 | ||
5d892665 | 121 | |
1d3e2023 DR |
122 | /* device types */ |
123 | enum { | |
ec42d448 | 124 | DEVTYPE_IGNORE = -1, |
1d3e2023 DR |
125 | DEVTYPE_EGALAX, |
126 | DEVTYPE_PANJIT, | |
127 | DEVTYPE_3M, | |
128 | DEVTYPE_ITM, | |
5d892665 DR |
129 | DEVTYPE_ETURBO, |
130 | DEVTYPE_GUNZE, | |
24ced062 | 131 | DEVTYPE_DMC_TSC10, |
df561fcd | 132 | DEVTYPE_IRTOUCH, |
a14a8401 | 133 | DEVTYPE_IDEALTEK, |
9d5657db | 134 | DEVTYPE_GENERAL_TOUCH, |
14e40206 | 135 | DEVTYPE_GOTOP, |
f7370699 | 136 | DEVTYPE_JASTEC, |
9e3b2583 | 137 | DEVTYPE_E2I, |
2330ed18 | 138 | DEVTYPE_ZYTRONIC, |
38771bb4 | 139 | DEVTYPE_TC45USB, |
5197424c | 140 | DEVTYPE_NEXIO, |
1d3e2023 DR |
141 | }; |
142 | ||
ec42d448 DR |
143 | #define USB_DEVICE_HID_CLASS(vend, prod) \ |
144 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS \ | |
139ebe8d | 145 | | USB_DEVICE_ID_MATCH_INT_PROTOCOL \ |
ec42d448 DR |
146 | | USB_DEVICE_ID_MATCH_DEVICE, \ |
147 | .idVendor = (vend), \ | |
148 | .idProduct = (prod), \ | |
149 | .bInterfaceClass = USB_INTERFACE_CLASS_HID, \ | |
150 | .bInterfaceProtocol = USB_INTERFACE_PROTOCOL_MOUSE | |
151 | ||
9cb3ce52 | 152 | static const struct usb_device_id usbtouch_devices[] = { |
c6f8d706 | 153 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
ec42d448 DR |
154 | /* ignore the HID capable devices, handled by usbhid */ |
155 | {USB_DEVICE_HID_CLASS(0x0eef, 0x0001), .driver_info = DEVTYPE_IGNORE}, | |
156 | {USB_DEVICE_HID_CLASS(0x0eef, 0x0002), .driver_info = DEVTYPE_IGNORE}, | |
157 | ||
158 | /* normal device IDs */ | |
1d3e2023 | 159 | {USB_DEVICE(0x3823, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
5d892665 | 160 | {USB_DEVICE(0x3823, 0x0002), .driver_info = DEVTYPE_EGALAX}, |
1d3e2023 DR |
161 | {USB_DEVICE(0x0123, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
162 | {USB_DEVICE(0x0eef, 0x0001), .driver_info = DEVTYPE_EGALAX}, | |
163 | {USB_DEVICE(0x0eef, 0x0002), .driver_info = DEVTYPE_EGALAX}, | |
5d892665 DR |
164 | {USB_DEVICE(0x1234, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
165 | {USB_DEVICE(0x1234, 0x0002), .driver_info = DEVTYPE_EGALAX}, | |
1d3e2023 DR |
166 | #endif |
167 | ||
c6f8d706 | 168 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
1d3e2023 DR |
169 | {USB_DEVICE(0x134c, 0x0001), .driver_info = DEVTYPE_PANJIT}, |
170 | {USB_DEVICE(0x134c, 0x0002), .driver_info = DEVTYPE_PANJIT}, | |
171 | {USB_DEVICE(0x134c, 0x0003), .driver_info = DEVTYPE_PANJIT}, | |
172 | {USB_DEVICE(0x134c, 0x0004), .driver_info = DEVTYPE_PANJIT}, | |
173 | #endif | |
174 | ||
c6f8d706 | 175 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
176 | {USB_DEVICE(0x0596, 0x0001), .driver_info = DEVTYPE_3M}, |
177 | #endif | |
178 | ||
c6f8d706 | 179 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
1d3e2023 | 180 | {USB_DEVICE(0x0403, 0xf9e9), .driver_info = DEVTYPE_ITM}, |
09910509 | 181 | {USB_DEVICE(0x16e3, 0xf9e9), .driver_info = DEVTYPE_ITM}, |
1d3e2023 DR |
182 | #endif |
183 | ||
c6f8d706 | 184 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
5d892665 DR |
185 | {USB_DEVICE(0x1234, 0x5678), .driver_info = DEVTYPE_ETURBO}, |
186 | #endif | |
187 | ||
c6f8d706 | 188 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
5d892665 DR |
189 | {USB_DEVICE(0x0637, 0x0001), .driver_info = DEVTYPE_GUNZE}, |
190 | #endif | |
191 | ||
c6f8d706 | 192 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
193 | {USB_DEVICE(0x0afa, 0x03e8), .driver_info = DEVTYPE_DMC_TSC10}, |
194 | #endif | |
195 | ||
df561fcd OZ |
196 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH |
197 | {USB_DEVICE(0x595a, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, | |
198 | {USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, | |
199 | #endif | |
200 | ||
a14a8401 OZ |
201 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK |
202 | {USB_DEVICE(0x1391, 0x1000), .driver_info = DEVTYPE_IDEALTEK}, | |
203 | #endif | |
204 | ||
9d5657db IF |
205 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH |
206 | {USB_DEVICE(0x0dfc, 0x0001), .driver_info = DEVTYPE_GENERAL_TOUCH}, | |
207 | #endif | |
208 | ||
14e40206 JJ |
209 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP |
210 | {USB_DEVICE(0x08f2, 0x007f), .driver_info = DEVTYPE_GOTOP}, | |
211 | {USB_DEVICE(0x08f2, 0x00ce), .driver_info = DEVTYPE_GOTOP}, | |
212 | {USB_DEVICE(0x08f2, 0x00f4), .driver_info = DEVTYPE_GOTOP}, | |
213 | #endif | |
214 | ||
f7370699 JP |
215 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC |
216 | {USB_DEVICE(0x0f92, 0x0001), .driver_info = DEVTYPE_JASTEC}, | |
217 | #endif | |
218 | ||
9e3b2583 FE |
219 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I |
220 | {USB_DEVICE(0x1ac7, 0x0001), .driver_info = DEVTYPE_E2I}, | |
221 | #endif | |
2330ed18 DS |
222 | |
223 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
224 | {USB_DEVICE(0x14c8, 0x0003), .driver_info = DEVTYPE_ZYTRONIC}, | |
225 | #endif | |
226 | ||
38771bb4 PŠ |
227 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
228 | /* TC5UH */ | |
229 | {USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC45USB}, | |
230 | /* TC4UM */ | |
231 | {USB_DEVICE(0x0664, 0x0306), .driver_info = DEVTYPE_TC45USB}, | |
dbe1420b PŠ |
232 | #endif |
233 | ||
5197424c OZ |
234 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO |
235 | /* data interface only */ | |
236 | {USB_DEVICE_AND_INTERFACE_INFO(0x10f0, 0x2002, 0x0a, 0x00, 0x00), | |
237 | .driver_info = DEVTYPE_NEXIO}, | |
238 | {USB_DEVICE_AND_INTERFACE_INFO(0x1870, 0x0001, 0x0a, 0x00, 0x00), | |
239 | .driver_info = DEVTYPE_NEXIO}, | |
240 | #endif | |
241 | ||
1d3e2023 DR |
242 | {} |
243 | }; | |
244 | ||
245 | ||
9e3b2583 FE |
246 | /***************************************************************************** |
247 | * e2i Part | |
248 | */ | |
249 | ||
250 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I | |
251 | static int e2i_init(struct usbtouch_usb *usbtouch) | |
252 | { | |
253 | int ret; | |
fea4d14b | 254 | struct usb_device *udev = interface_to_usbdev(usbtouch->interface); |
9e3b2583 | 255 | |
fea4d14b | 256 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
9e3b2583 FE |
257 | 0x01, 0x02, 0x0000, 0x0081, |
258 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
259 | ||
260 | dbg("%s - usb_control_msg - E2I_RESET - bytes|err: %d", | |
261 | __func__, ret); | |
262 | return ret; | |
263 | } | |
264 | ||
265 | static int e2i_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
266 | { | |
267 | int tmp = (pkt[0] << 8) | pkt[1]; | |
268 | dev->x = (pkt[2] << 8) | pkt[3]; | |
269 | dev->y = (pkt[4] << 8) | pkt[5]; | |
270 | ||
271 | tmp = tmp - 0xA000; | |
272 | dev->touch = (tmp > 0); | |
273 | dev->press = (tmp > 0 ? tmp : 0); | |
274 | ||
275 | return 1; | |
276 | } | |
277 | #endif | |
278 | ||
279 | ||
1d3e2023 DR |
280 | /***************************************************************************** |
281 | * eGalax part | |
282 | */ | |
283 | ||
c6f8d706 | 284 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
1d3e2023 | 285 | |
62aa366d DR |
286 | #ifndef MULTI_PACKET |
287 | #define MULTI_PACKET | |
288 | #endif | |
289 | ||
1d3e2023 DR |
290 | #define EGALAX_PKT_TYPE_MASK 0xFE |
291 | #define EGALAX_PKT_TYPE_REPT 0x80 | |
292 | #define EGALAX_PKT_TYPE_DIAG 0x0A | |
293 | ||
c9d8c2b3 | 294 | static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 DR |
295 | { |
296 | if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT) | |
297 | return 0; | |
298 | ||
c9d8c2b3 DR |
299 | dev->x = ((pkt[3] & 0x0F) << 7) | (pkt[4] & 0x7F); |
300 | dev->y = ((pkt[1] & 0x0F) << 7) | (pkt[2] & 0x7F); | |
301 | dev->touch = pkt[0] & 0x01; | |
1d3e2023 DR |
302 | |
303 | return 1; | |
1d3e2023 DR |
304 | } |
305 | ||
5d892665 | 306 | static int egalax_get_pkt_len(unsigned char *buf, int len) |
1d3e2023 DR |
307 | { |
308 | switch (buf[0] & EGALAX_PKT_TYPE_MASK) { | |
309 | case EGALAX_PKT_TYPE_REPT: | |
310 | return 5; | |
311 | ||
312 | case EGALAX_PKT_TYPE_DIAG: | |
5d892665 DR |
313 | if (len < 2) |
314 | return -1; | |
315 | ||
1d3e2023 DR |
316 | return buf[1] + 2; |
317 | } | |
318 | ||
319 | return 0; | |
320 | } | |
1d3e2023 DR |
321 | #endif |
322 | ||
323 | ||
324 | /***************************************************************************** | |
325 | * PanJit Part | |
326 | */ | |
c6f8d706 | 327 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
c9d8c2b3 | 328 | static int panjit_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 329 | { |
c9d8c2b3 DR |
330 | dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1]; |
331 | dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3]; | |
332 | dev->touch = pkt[0] & 0x01; | |
1d3e2023 DR |
333 | |
334 | return 1; | |
335 | } | |
336 | #endif | |
337 | ||
338 | ||
339 | /***************************************************************************** | |
340 | * 3M/Microtouch Part | |
341 | */ | |
c6f8d706 | 342 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
343 | |
344 | #define MTOUCHUSB_ASYNC_REPORT 1 | |
345 | #define MTOUCHUSB_RESET 7 | |
346 | #define MTOUCHUSB_REQ_CTRLLR_ID 10 | |
347 | ||
c9d8c2b3 | 348 | static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 349 | { |
c9cbf3d3 DS |
350 | if (hwcalib_xy) { |
351 | dev->x = (pkt[4] << 8) | pkt[3]; | |
352 | dev->y = 0xffff - ((pkt[6] << 8) | pkt[5]); | |
353 | } else { | |
354 | dev->x = (pkt[8] << 8) | pkt[7]; | |
355 | dev->y = (pkt[10] << 8) | pkt[9]; | |
356 | } | |
c9d8c2b3 | 357 | dev->touch = (pkt[2] & 0x40) ? 1 : 0; |
1d3e2023 DR |
358 | |
359 | return 1; | |
360 | } | |
361 | ||
362 | static int mtouch_init(struct usbtouch_usb *usbtouch) | |
363 | { | |
5d892665 | 364 | int ret, i; |
fea4d14b | 365 | struct usb_device *udev = interface_to_usbdev(usbtouch->interface); |
1d3e2023 | 366 | |
fea4d14b | 367 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1d3e2023 DR |
368 | MTOUCHUSB_RESET, |
369 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
370 | 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
371 | dbg("%s - usb_control_msg - MTOUCHUSB_RESET - bytes|err: %d", | |
ea3e6c59 | 372 | __func__, ret); |
1d3e2023 DR |
373 | if (ret < 0) |
374 | return ret; | |
5d892665 DR |
375 | msleep(150); |
376 | ||
377 | for (i = 0; i < 3; i++) { | |
fea4d14b | 378 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
5d892665 DR |
379 | MTOUCHUSB_ASYNC_REPORT, |
380 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
381 | 1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
382 | dbg("%s - usb_control_msg - MTOUCHUSB_ASYNC_REPORT - bytes|err: %d", | |
ea3e6c59 | 383 | __func__, ret); |
5d892665 DR |
384 | if (ret >= 0) |
385 | break; | |
386 | if (ret != -EPIPE) | |
387 | return ret; | |
388 | } | |
1d3e2023 | 389 | |
c9cbf3d3 DS |
390 | /* Default min/max xy are the raw values, override if using hw-calib */ |
391 | if (hwcalib_xy) { | |
392 | input_set_abs_params(usbtouch->input, ABS_X, 0, 0xffff, 0, 0); | |
393 | input_set_abs_params(usbtouch->input, ABS_Y, 0, 0xffff, 0, 0); | |
394 | } | |
395 | ||
1d3e2023 DR |
396 | return 0; |
397 | } | |
398 | #endif | |
399 | ||
400 | ||
401 | /***************************************************************************** | |
402 | * ITM Part | |
403 | */ | |
c6f8d706 | 404 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
c9d8c2b3 | 405 | static int itm_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 406 | { |
c9d8c2b3 DR |
407 | int touch; |
408 | /* | |
409 | * ITM devices report invalid x/y data if not touched. | |
410 | * if the screen was touched before but is not touched any more | |
411 | * report touch as 0 with the last valid x/y data once. then stop | |
412 | * reporting data until touched again. | |
413 | */ | |
414 | dev->press = ((pkt[2] & 0x01) << 7) | (pkt[5] & 0x7F); | |
415 | ||
416 | touch = ~pkt[7] & 0x20; | |
417 | if (!touch) { | |
418 | if (dev->touch) { | |
419 | dev->touch = 0; | |
420 | return 1; | |
421 | } | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
426 | dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F); | |
427 | dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F); | |
428 | dev->touch = touch; | |
1d3e2023 | 429 | |
c9d8c2b3 | 430 | return 1; |
1d3e2023 DR |
431 | } |
432 | #endif | |
433 | ||
434 | ||
5d892665 DR |
435 | /***************************************************************************** |
436 | * eTurboTouch part | |
437 | */ | |
c6f8d706 | 438 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
62aa366d DR |
439 | #ifndef MULTI_PACKET |
440 | #define MULTI_PACKET | |
441 | #endif | |
c9d8c2b3 | 442 | static int eturbo_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
5d892665 DR |
443 | { |
444 | unsigned int shift; | |
445 | ||
446 | /* packets should start with sync */ | |
447 | if (!(pkt[0] & 0x80)) | |
448 | return 0; | |
449 | ||
450 | shift = (6 - (pkt[0] & 0x03)); | |
c9d8c2b3 DR |
451 | dev->x = ((pkt[3] << 7) | pkt[4]) >> shift; |
452 | dev->y = ((pkt[1] << 7) | pkt[2]) >> shift; | |
453 | dev->touch = (pkt[0] & 0x10) ? 1 : 0; | |
5d892665 DR |
454 | |
455 | return 1; | |
456 | } | |
457 | ||
458 | static int eturbo_get_pkt_len(unsigned char *buf, int len) | |
459 | { | |
460 | if (buf[0] & 0x80) | |
461 | return 5; | |
462 | if (buf[0] == 0x01) | |
463 | return 3; | |
464 | return 0; | |
465 | } | |
466 | #endif | |
467 | ||
468 | ||
469 | /***************************************************************************** | |
470 | * Gunze part | |
471 | */ | |
c6f8d706 | 472 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
c9d8c2b3 | 473 | static int gunze_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
5d892665 DR |
474 | { |
475 | if (!(pkt[0] & 0x80) || ((pkt[1] | pkt[2] | pkt[3]) & 0x80)) | |
476 | return 0; | |
477 | ||
c9d8c2b3 DR |
478 | dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[2] & 0x7F); |
479 | dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[3] & 0x7F); | |
480 | dev->touch = pkt[0] & 0x20; | |
5d892665 DR |
481 | |
482 | return 1; | |
483 | } | |
484 | #endif | |
485 | ||
24ced062 HS |
486 | /***************************************************************************** |
487 | * DMC TSC-10/25 Part | |
488 | * | |
489 | * Documentation about the controller and it's protocol can be found at | |
490 | * http://www.dmccoltd.com/files/controler/tsc10usb_pi_e.pdf | |
491 | * http://www.dmccoltd.com/files/controler/tsc25_usb_e.pdf | |
492 | */ | |
c6f8d706 | 493 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
494 | |
495 | /* supported data rates. currently using 130 */ | |
496 | #define TSC10_RATE_POINT 0x50 | |
497 | #define TSC10_RATE_30 0x40 | |
498 | #define TSC10_RATE_50 0x41 | |
499 | #define TSC10_RATE_80 0x42 | |
500 | #define TSC10_RATE_100 0x43 | |
501 | #define TSC10_RATE_130 0x44 | |
502 | #define TSC10_RATE_150 0x45 | |
503 | ||
504 | /* commands */ | |
505 | #define TSC10_CMD_RESET 0x55 | |
506 | #define TSC10_CMD_RATE 0x05 | |
507 | #define TSC10_CMD_DATA1 0x01 | |
508 | ||
509 | static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) | |
510 | { | |
fea4d14b | 511 | struct usb_device *dev = interface_to_usbdev(usbtouch->interface); |
76d057ce ON |
512 | int ret = -ENOMEM; |
513 | unsigned char *buf; | |
24ced062 | 514 | |
a8aef622 | 515 | buf = kmalloc(2, GFP_NOIO); |
76d057ce ON |
516 | if (!buf) |
517 | goto err_nobuf; | |
24ced062 HS |
518 | /* reset */ |
519 | buf[0] = buf[1] = 0xFF; | |
520 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
521 | TSC10_CMD_RESET, | |
522 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
523 | 0, 0, buf, 2, USB_CTRL_SET_TIMEOUT); | |
524 | if (ret < 0) | |
76d057ce | 525 | goto err_out; |
2ec6f246 | 526 | if (buf[0] != 0x06) { |
76d057ce ON |
527 | ret = -ENODEV; |
528 | goto err_out; | |
529 | } | |
24ced062 HS |
530 | |
531 | /* set coordinate output rate */ | |
532 | buf[0] = buf[1] = 0xFF; | |
533 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
534 | TSC10_CMD_RATE, | |
535 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
536 | TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT); | |
537 | if (ret < 0) | |
76d057ce | 538 | goto err_out; |
2ec6f246 | 539 | if ((buf[0] != 0x06) && (buf[0] != 0x15 || buf[1] != 0x01)) { |
76d057ce ON |
540 | ret = -ENODEV; |
541 | goto err_out; | |
542 | } | |
24ced062 HS |
543 | |
544 | /* start sending data */ | |
545 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
546 | TSC10_CMD_DATA1, | |
547 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
548 | 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
76d057ce ON |
549 | err_out: |
550 | kfree(buf); | |
551 | err_nobuf: | |
552 | return ret; | |
24ced062 HS |
553 | } |
554 | ||
555 | ||
c9d8c2b3 | 556 | static int dmc_tsc10_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
24ced062 | 557 | { |
c9d8c2b3 DR |
558 | dev->x = ((pkt[2] & 0x03) << 8) | pkt[1]; |
559 | dev->y = ((pkt[4] & 0x03) << 8) | pkt[3]; | |
560 | dev->touch = pkt[0] & 0x01; | |
24ced062 HS |
561 | |
562 | return 1; | |
563 | } | |
564 | #endif | |
565 | ||
566 | ||
df561fcd OZ |
567 | /***************************************************************************** |
568 | * IRTOUCH Part | |
569 | */ | |
570 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH | |
571 | static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
572 | { | |
573 | dev->x = (pkt[3] << 8) | pkt[2]; | |
574 | dev->y = (pkt[5] << 8) | pkt[4]; | |
575 | dev->touch = (pkt[1] & 0x03) ? 1 : 0; | |
576 | ||
577 | return 1; | |
578 | } | |
579 | #endif | |
580 | ||
dbe1420b | 581 | /***************************************************************************** |
38771bb4 | 582 | * ET&T TC5UH/TC4UM part |
dbe1420b | 583 | */ |
38771bb4 PŠ |
584 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
585 | static int tc45usb_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
dbe1420b PŠ |
586 | { |
587 | dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1]; | |
588 | dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3]; | |
589 | dev->touch = pkt[0] & 0x01; | |
590 | ||
591 | return 1; | |
592 | } | |
593 | #endif | |
df561fcd | 594 | |
a14a8401 OZ |
595 | /***************************************************************************** |
596 | * IdealTEK URTC1000 Part | |
597 | */ | |
598 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK | |
62aa366d DR |
599 | #ifndef MULTI_PACKET |
600 | #define MULTI_PACKET | |
601 | #endif | |
a14a8401 OZ |
602 | static int idealtek_get_pkt_len(unsigned char *buf, int len) |
603 | { | |
604 | if (buf[0] & 0x80) | |
605 | return 5; | |
606 | if (buf[0] == 0x01) | |
607 | return len; | |
608 | return 0; | |
609 | } | |
610 | ||
611 | static int idealtek_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
612 | { | |
613 | switch (pkt[0] & 0x98) { | |
614 | case 0x88: | |
615 | /* touch data in IdealTEK mode */ | |
616 | dev->x = (pkt[1] << 5) | (pkt[2] >> 2); | |
617 | dev->y = (pkt[3] << 5) | (pkt[4] >> 2); | |
618 | dev->touch = (pkt[0] & 0x40) ? 1 : 0; | |
619 | return 1; | |
620 | ||
621 | case 0x98: | |
622 | /* touch data in MT emulation mode */ | |
623 | dev->x = (pkt[2] << 5) | (pkt[1] >> 2); | |
624 | dev->y = (pkt[4] << 5) | (pkt[3] >> 2); | |
625 | dev->touch = (pkt[0] & 0x40) ? 1 : 0; | |
626 | return 1; | |
627 | ||
628 | default: | |
629 | return 0; | |
630 | } | |
631 | } | |
632 | #endif | |
633 | ||
9d5657db IF |
634 | /***************************************************************************** |
635 | * General Touch Part | |
636 | */ | |
637 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH | |
638 | static int general_touch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
639 | { | |
eb083ba2 RY |
640 | dev->x = (pkt[2] << 8) | pkt[1]; |
641 | dev->y = (pkt[4] << 8) | pkt[3]; | |
9d5657db IF |
642 | dev->press = pkt[5] & 0xff; |
643 | dev->touch = pkt[0] & 0x01; | |
644 | ||
645 | return 1; | |
646 | } | |
647 | #endif | |
a14a8401 | 648 | |
14e40206 JJ |
649 | /***************************************************************************** |
650 | * GoTop Part | |
651 | */ | |
652 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP | |
653 | static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
654 | { | |
655 | dev->x = ((pkt[1] & 0x38) << 4) | pkt[2]; | |
656 | dev->y = ((pkt[1] & 0x07) << 7) | pkt[3]; | |
657 | dev->touch = pkt[0] & 0x01; | |
f7370699 JP |
658 | |
659 | return 1; | |
660 | } | |
661 | #endif | |
662 | ||
663 | /***************************************************************************** | |
664 | * JASTEC Part | |
665 | */ | |
666 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC | |
667 | static int jastec_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
668 | { | |
669 | dev->x = ((pkt[0] & 0x3f) << 6) | (pkt[2] & 0x3f); | |
670 | dev->y = ((pkt[1] & 0x3f) << 6) | (pkt[3] & 0x3f); | |
671 | dev->touch = (pkt[0] & 0x40) >> 6; | |
672 | ||
14e40206 JJ |
673 | return 1; |
674 | } | |
675 | #endif | |
676 | ||
2330ed18 DS |
677 | /***************************************************************************** |
678 | * Zytronic Part | |
679 | */ | |
680 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
681 | static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
682 | { | |
683 | switch (pkt[0]) { | |
684 | case 0x3A: /* command response */ | |
685 | dbg("%s: Command response %d", __func__, pkt[1]); | |
686 | break; | |
687 | ||
688 | case 0xC0: /* down */ | |
689 | dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7); | |
690 | dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7); | |
691 | dev->touch = 1; | |
692 | dbg("%s: down %d,%d", __func__, dev->x, dev->y); | |
693 | return 1; | |
694 | ||
695 | case 0x80: /* up */ | |
696 | dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7); | |
697 | dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7); | |
698 | dev->touch = 0; | |
699 | dbg("%s: up %d,%d", __func__, dev->x, dev->y); | |
700 | return 1; | |
701 | ||
702 | default: | |
703 | dbg("%s: Unknown return %d", __func__, pkt[0]); | |
704 | break; | |
705 | } | |
706 | ||
707 | return 0; | |
708 | } | |
709 | #endif | |
14e40206 | 710 | |
5197424c OZ |
711 | /***************************************************************************** |
712 | * NEXIO Part | |
713 | */ | |
714 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO | |
715 | ||
716 | #define NEXIO_TIMEOUT 5000 | |
717 | #define NEXIO_BUFSIZE 1024 | |
718 | #define NEXIO_THRESHOLD 50 | |
719 | ||
720 | struct nexio_priv { | |
721 | struct urb *ack; | |
722 | unsigned char *ack_buf; | |
723 | }; | |
724 | ||
725 | struct nexio_touch_packet { | |
726 | u8 flags; /* 0xe1 = touch, 0xe1 = release */ | |
727 | __be16 data_len; /* total bytes of touch data */ | |
728 | __be16 x_len; /* bytes for X axis */ | |
729 | __be16 y_len; /* bytes for Y axis */ | |
730 | u8 data[]; | |
731 | } __attribute__ ((packed)); | |
732 | ||
733 | static unsigned char nexio_ack_pkt[2] = { 0xaa, 0x02 }; | |
734 | static unsigned char nexio_init_pkt[4] = { 0x82, 0x04, 0x0a, 0x0f }; | |
735 | ||
736 | static void nexio_ack_complete(struct urb *urb) | |
737 | { | |
738 | } | |
739 | ||
a8aef622 ON |
740 | static int nexio_alloc(struct usbtouch_usb *usbtouch) |
741 | { | |
742 | struct nexio_priv *priv; | |
743 | int ret = -ENOMEM; | |
744 | ||
745 | usbtouch->priv = kmalloc(sizeof(struct nexio_priv), GFP_KERNEL); | |
746 | if (!usbtouch->priv) | |
747 | goto out_buf; | |
748 | ||
749 | priv = usbtouch->priv; | |
750 | ||
751 | priv->ack_buf = kmemdup(nexio_ack_pkt, sizeof(nexio_ack_pkt), | |
752 | GFP_KERNEL); | |
753 | if (!priv->ack_buf) | |
754 | goto err_priv; | |
755 | ||
756 | priv->ack = usb_alloc_urb(0, GFP_KERNEL); | |
757 | if (!priv->ack) { | |
758 | dbg("%s - usb_alloc_urb failed: usbtouch->ack", __func__); | |
759 | goto err_ack_buf; | |
760 | } | |
761 | ||
762 | return 0; | |
763 | ||
764 | err_ack_buf: | |
765 | kfree(priv->ack_buf); | |
766 | err_priv: | |
767 | kfree(priv); | |
768 | out_buf: | |
769 | return ret; | |
770 | } | |
771 | ||
5197424c OZ |
772 | static int nexio_init(struct usbtouch_usb *usbtouch) |
773 | { | |
774 | struct usb_device *dev = interface_to_usbdev(usbtouch->interface); | |
775 | struct usb_host_interface *interface = usbtouch->interface->cur_altsetting; | |
a8aef622 | 776 | struct nexio_priv *priv = usbtouch->priv; |
5197424c OZ |
777 | int ret = -ENOMEM; |
778 | int actual_len, i; | |
779 | unsigned char *buf; | |
780 | char *firmware_ver = NULL, *device_name = NULL; | |
781 | int input_ep = 0, output_ep = 0; | |
782 | ||
783 | /* find first input and output endpoint */ | |
784 | for (i = 0; i < interface->desc.bNumEndpoints; i++) { | |
785 | if (!input_ep && | |
786 | usb_endpoint_dir_in(&interface->endpoint[i].desc)) | |
787 | input_ep = interface->endpoint[i].desc.bEndpointAddress; | |
788 | if (!output_ep && | |
789 | usb_endpoint_dir_out(&interface->endpoint[i].desc)) | |
790 | output_ep = interface->endpoint[i].desc.bEndpointAddress; | |
791 | } | |
792 | if (!input_ep || !output_ep) | |
793 | return -ENXIO; | |
794 | ||
a8aef622 | 795 | buf = kmalloc(NEXIO_BUFSIZE, GFP_NOIO); |
5197424c OZ |
796 | if (!buf) |
797 | goto out_buf; | |
798 | ||
799 | /* two empty reads */ | |
800 | for (i = 0; i < 2; i++) { | |
801 | ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), | |
802 | buf, NEXIO_BUFSIZE, &actual_len, | |
803 | NEXIO_TIMEOUT); | |
804 | if (ret < 0) | |
805 | goto out_buf; | |
806 | } | |
807 | ||
808 | /* send init command */ | |
809 | memcpy(buf, nexio_init_pkt, sizeof(nexio_init_pkt)); | |
810 | ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, output_ep), | |
811 | buf, sizeof(nexio_init_pkt), &actual_len, | |
812 | NEXIO_TIMEOUT); | |
813 | if (ret < 0) | |
814 | goto out_buf; | |
815 | ||
816 | /* read replies */ | |
817 | for (i = 0; i < 3; i++) { | |
818 | memset(buf, 0, NEXIO_BUFSIZE); | |
819 | ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), | |
820 | buf, NEXIO_BUFSIZE, &actual_len, | |
821 | NEXIO_TIMEOUT); | |
822 | if (ret < 0 || actual_len < 1 || buf[1] != actual_len) | |
823 | continue; | |
824 | switch (buf[0]) { | |
825 | case 0x83: /* firmware version */ | |
826 | if (!firmware_ver) | |
a8aef622 | 827 | firmware_ver = kstrdup(&buf[2], GFP_NOIO); |
5197424c OZ |
828 | break; |
829 | case 0x84: /* device name */ | |
830 | if (!device_name) | |
a8aef622 | 831 | device_name = kstrdup(&buf[2], GFP_NOIO); |
5197424c OZ |
832 | break; |
833 | } | |
834 | } | |
835 | ||
836 | printk(KERN_INFO "Nexio device: %s, firmware version: %s\n", | |
837 | device_name, firmware_ver); | |
838 | ||
839 | kfree(firmware_ver); | |
840 | kfree(device_name); | |
841 | ||
5197424c OZ |
842 | usb_fill_bulk_urb(priv->ack, dev, usb_sndbulkpipe(dev, output_ep), |
843 | priv->ack_buf, sizeof(nexio_ack_pkt), | |
844 | nexio_ack_complete, usbtouch); | |
845 | ret = 0; | |
5197424c | 846 | |
5197424c OZ |
847 | out_buf: |
848 | kfree(buf); | |
849 | return ret; | |
850 | } | |
851 | ||
852 | static void nexio_exit(struct usbtouch_usb *usbtouch) | |
853 | { | |
854 | struct nexio_priv *priv = usbtouch->priv; | |
855 | ||
856 | usb_kill_urb(priv->ack); | |
857 | usb_free_urb(priv->ack); | |
858 | kfree(priv->ack_buf); | |
859 | kfree(priv); | |
860 | } | |
861 | ||
862 | static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) | |
863 | { | |
5197424c OZ |
864 | struct nexio_touch_packet *packet = (void *) pkt; |
865 | struct nexio_priv *priv = usbtouch->priv; | |
4aa5bbec DT |
866 | unsigned int data_len = be16_to_cpu(packet->data_len); |
867 | unsigned int x_len = be16_to_cpu(packet->x_len); | |
868 | unsigned int y_len = be16_to_cpu(packet->y_len); | |
869 | int x, y, begin_x, begin_y, end_x, end_y, w, h, ret; | |
5197424c OZ |
870 | |
871 | /* got touch data? */ | |
872 | if ((pkt[0] & 0xe0) != 0xe0) | |
873 | return 0; | |
874 | ||
4aa5bbec DT |
875 | if (data_len > 0xff) |
876 | data_len -= 0x100; | |
877 | if (x_len > 0xff) | |
878 | x_len -= 0x80; | |
388bbcad | 879 | |
5197424c OZ |
880 | /* send ACK */ |
881 | ret = usb_submit_urb(priv->ack, GFP_ATOMIC); | |
882 | ||
883 | if (!usbtouch->type->max_xc) { | |
4aa5bbec DT |
884 | usbtouch->type->max_xc = 2 * x_len; |
885 | input_set_abs_params(usbtouch->input, ABS_X, | |
886 | 0, usbtouch->type->max_xc, 0, 0); | |
887 | usbtouch->type->max_yc = 2 * y_len; | |
888 | input_set_abs_params(usbtouch->input, ABS_Y, | |
889 | 0, usbtouch->type->max_yc, 0, 0); | |
5197424c OZ |
890 | } |
891 | /* | |
892 | * The device reports state of IR sensors on X and Y axes. | |
893 | * Each byte represents "darkness" percentage (0-100) of one element. | |
894 | * 17" touchscreen reports only 64 x 52 bytes so the resolution is low. | |
895 | * This also means that there's a limited multi-touch capability but | |
896 | * it's disabled (and untested) here as there's no X driver for that. | |
897 | */ | |
898 | begin_x = end_x = begin_y = end_y = -1; | |
4aa5bbec | 899 | for (x = 0; x < x_len; x++) { |
5197424c OZ |
900 | if (begin_x == -1 && packet->data[x] > NEXIO_THRESHOLD) { |
901 | begin_x = x; | |
902 | continue; | |
903 | } | |
904 | if (end_x == -1 && begin_x != -1 && packet->data[x] < NEXIO_THRESHOLD) { | |
905 | end_x = x - 1; | |
4aa5bbec | 906 | for (y = x_len; y < data_len; y++) { |
5197424c | 907 | if (begin_y == -1 && packet->data[y] > NEXIO_THRESHOLD) { |
4aa5bbec | 908 | begin_y = y - x_len; |
5197424c OZ |
909 | continue; |
910 | } | |
911 | if (end_y == -1 && | |
912 | begin_y != -1 && packet->data[y] < NEXIO_THRESHOLD) { | |
4aa5bbec | 913 | end_y = y - 1 - x_len; |
5197424c OZ |
914 | w = end_x - begin_x; |
915 | h = end_y - begin_y; | |
916 | #if 0 | |
917 | /* multi-touch */ | |
918 | input_report_abs(usbtouch->input, | |
919 | ABS_MT_TOUCH_MAJOR, max(w,h)); | |
920 | input_report_abs(usbtouch->input, | |
921 | ABS_MT_TOUCH_MINOR, min(x,h)); | |
922 | input_report_abs(usbtouch->input, | |
923 | ABS_MT_POSITION_X, 2*begin_x+w); | |
924 | input_report_abs(usbtouch->input, | |
925 | ABS_MT_POSITION_Y, 2*begin_y+h); | |
926 | input_report_abs(usbtouch->input, | |
927 | ABS_MT_ORIENTATION, w > h); | |
928 | input_mt_sync(usbtouch->input); | |
929 | #endif | |
930 | /* single touch */ | |
931 | usbtouch->x = 2 * begin_x + w; | |
932 | usbtouch->y = 2 * begin_y + h; | |
933 | usbtouch->touch = packet->flags & 0x01; | |
934 | begin_y = end_y = -1; | |
935 | return 1; | |
936 | } | |
937 | } | |
938 | begin_x = end_x = -1; | |
939 | } | |
940 | ||
941 | } | |
942 | return 0; | |
943 | } | |
944 | #endif | |
945 | ||
946 | ||
1d3e2023 DR |
947 | /***************************************************************************** |
948 | * the different device descriptors | |
949 | */ | |
62aa366d DR |
950 | #ifdef MULTI_PACKET |
951 | static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, | |
952 | unsigned char *pkt, int len); | |
953 | #endif | |
954 | ||
1d3e2023 | 955 | static struct usbtouch_device_info usbtouch_dev_info[] = { |
c6f8d706 | 956 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
1d3e2023 DR |
957 | [DEVTYPE_EGALAX] = { |
958 | .min_xc = 0x0, | |
959 | .max_xc = 0x07ff, | |
960 | .min_yc = 0x0, | |
961 | .max_yc = 0x07ff, | |
962 | .rept_size = 16, | |
5d892665 DR |
963 | .process_pkt = usbtouch_process_multi, |
964 | .get_pkt_len = egalax_get_pkt_len, | |
1d3e2023 DR |
965 | .read_data = egalax_read_data, |
966 | }, | |
967 | #endif | |
968 | ||
c6f8d706 | 969 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
1d3e2023 DR |
970 | [DEVTYPE_PANJIT] = { |
971 | .min_xc = 0x0, | |
972 | .max_xc = 0x0fff, | |
973 | .min_yc = 0x0, | |
974 | .max_yc = 0x0fff, | |
975 | .rept_size = 8, | |
976 | .read_data = panjit_read_data, | |
977 | }, | |
978 | #endif | |
979 | ||
c6f8d706 | 980 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
981 | [DEVTYPE_3M] = { |
982 | .min_xc = 0x0, | |
983 | .max_xc = 0x4000, | |
984 | .min_yc = 0x0, | |
985 | .max_yc = 0x4000, | |
986 | .rept_size = 11, | |
987 | .read_data = mtouch_read_data, | |
988 | .init = mtouch_init, | |
989 | }, | |
990 | #endif | |
991 | ||
c6f8d706 | 992 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
1d3e2023 DR |
993 | [DEVTYPE_ITM] = { |
994 | .min_xc = 0x0, | |
995 | .max_xc = 0x0fff, | |
996 | .min_yc = 0x0, | |
997 | .max_yc = 0x0fff, | |
998 | .max_press = 0xff, | |
999 | .rept_size = 8, | |
1000 | .read_data = itm_read_data, | |
1001 | }, | |
1002 | #endif | |
5d892665 | 1003 | |
c6f8d706 | 1004 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
5d892665 DR |
1005 | [DEVTYPE_ETURBO] = { |
1006 | .min_xc = 0x0, | |
1007 | .max_xc = 0x07ff, | |
1008 | .min_yc = 0x0, | |
1009 | .max_yc = 0x07ff, | |
1010 | .rept_size = 8, | |
5d892665 DR |
1011 | .process_pkt = usbtouch_process_multi, |
1012 | .get_pkt_len = eturbo_get_pkt_len, | |
1013 | .read_data = eturbo_read_data, | |
1014 | }, | |
1015 | #endif | |
1016 | ||
c6f8d706 | 1017 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
5d892665 DR |
1018 | [DEVTYPE_GUNZE] = { |
1019 | .min_xc = 0x0, | |
1020 | .max_xc = 0x0fff, | |
1021 | .min_yc = 0x0, | |
1022 | .max_yc = 0x0fff, | |
1023 | .rept_size = 4, | |
1024 | .read_data = gunze_read_data, | |
1025 | }, | |
1026 | #endif | |
24ced062 | 1027 | |
c6f8d706 | 1028 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
1029 | [DEVTYPE_DMC_TSC10] = { |
1030 | .min_xc = 0x0, | |
1031 | .max_xc = 0x03ff, | |
1032 | .min_yc = 0x0, | |
1033 | .max_yc = 0x03ff, | |
1034 | .rept_size = 5, | |
1035 | .init = dmc_tsc10_init, | |
1036 | .read_data = dmc_tsc10_read_data, | |
1037 | }, | |
1038 | #endif | |
df561fcd OZ |
1039 | |
1040 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH | |
1041 | [DEVTYPE_IRTOUCH] = { | |
1042 | .min_xc = 0x0, | |
1043 | .max_xc = 0x0fff, | |
1044 | .min_yc = 0x0, | |
1045 | .max_yc = 0x0fff, | |
1046 | .rept_size = 8, | |
1047 | .read_data = irtouch_read_data, | |
1048 | }, | |
1049 | #endif | |
a14a8401 OZ |
1050 | |
1051 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK | |
1052 | [DEVTYPE_IDEALTEK] = { | |
1053 | .min_xc = 0x0, | |
1054 | .max_xc = 0x0fff, | |
1055 | .min_yc = 0x0, | |
1056 | .max_yc = 0x0fff, | |
1057 | .rept_size = 8, | |
a14a8401 OZ |
1058 | .process_pkt = usbtouch_process_multi, |
1059 | .get_pkt_len = idealtek_get_pkt_len, | |
1060 | .read_data = idealtek_read_data, | |
1061 | }, | |
1062 | #endif | |
9d5657db IF |
1063 | |
1064 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH | |
1065 | [DEVTYPE_GENERAL_TOUCH] = { | |
1066 | .min_xc = 0x0, | |
eb083ba2 | 1067 | .max_xc = 0x7fff, |
9d5657db | 1068 | .min_yc = 0x0, |
eb083ba2 | 1069 | .max_yc = 0x7fff, |
9d5657db IF |
1070 | .rept_size = 7, |
1071 | .read_data = general_touch_read_data, | |
14e40206 | 1072 | }, |
9d5657db IF |
1073 | #endif |
1074 | ||
14e40206 JJ |
1075 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP |
1076 | [DEVTYPE_GOTOP] = { | |
1077 | .min_xc = 0x0, | |
1078 | .max_xc = 0x03ff, | |
1079 | .min_yc = 0x0, | |
1080 | .max_yc = 0x03ff, | |
1081 | .rept_size = 4, | |
1082 | .read_data = gotop_read_data, | |
1083 | }, | |
1084 | #endif | |
f7370699 JP |
1085 | |
1086 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC | |
1087 | [DEVTYPE_JASTEC] = { | |
1088 | .min_xc = 0x0, | |
1089 | .max_xc = 0x0fff, | |
1090 | .min_yc = 0x0, | |
1091 | .max_yc = 0x0fff, | |
1092 | .rept_size = 4, | |
1093 | .read_data = jastec_read_data, | |
1094 | }, | |
1095 | #endif | |
9e3b2583 FE |
1096 | |
1097 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I | |
1098 | [DEVTYPE_E2I] = { | |
1099 | .min_xc = 0x0, | |
1100 | .max_xc = 0x7fff, | |
1101 | .min_yc = 0x0, | |
1102 | .max_yc = 0x7fff, | |
1103 | .rept_size = 6, | |
1104 | .init = e2i_init, | |
1105 | .read_data = e2i_read_data, | |
1106 | }, | |
1107 | #endif | |
2330ed18 DS |
1108 | |
1109 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
1110 | [DEVTYPE_ZYTRONIC] = { | |
1111 | .min_xc = 0x0, | |
1112 | .max_xc = 0x03ff, | |
1113 | .min_yc = 0x0, | |
1114 | .max_yc = 0x03ff, | |
1115 | .rept_size = 5, | |
1116 | .read_data = zytronic_read_data, | |
1117 | .irq_always = true, | |
1118 | }, | |
1119 | #endif | |
dbe1420b | 1120 | |
38771bb4 PŠ |
1121 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
1122 | [DEVTYPE_TC45USB] = { | |
dbe1420b PŠ |
1123 | .min_xc = 0x0, |
1124 | .max_xc = 0x0fff, | |
1125 | .min_yc = 0x0, | |
1126 | .max_yc = 0x0fff, | |
1127 | .rept_size = 5, | |
38771bb4 | 1128 | .read_data = tc45usb_read_data, |
dbe1420b PŠ |
1129 | }, |
1130 | #endif | |
5197424c OZ |
1131 | |
1132 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO | |
1133 | [DEVTYPE_NEXIO] = { | |
388bbcad | 1134 | .rept_size = 1024, |
5197424c OZ |
1135 | .irq_always = true, |
1136 | .read_data = nexio_read_data, | |
a8aef622 | 1137 | .alloc = nexio_alloc, |
5197424c OZ |
1138 | .init = nexio_init, |
1139 | .exit = nexio_exit, | |
1140 | }, | |
1141 | #endif | |
1d3e2023 DR |
1142 | }; |
1143 | ||
1144 | ||
1145 | /***************************************************************************** | |
1146 | * Generic Part | |
1147 | */ | |
1148 | static void usbtouch_process_pkt(struct usbtouch_usb *usbtouch, | |
7d12e780 | 1149 | unsigned char *pkt, int len) |
1d3e2023 | 1150 | { |
1d3e2023 DR |
1151 | struct usbtouch_device_info *type = usbtouch->type; |
1152 | ||
c9d8c2b3 | 1153 | if (!type->read_data(usbtouch, pkt)) |
1d3e2023 DR |
1154 | return; |
1155 | ||
c9d8c2b3 | 1156 | input_report_key(usbtouch->input, BTN_TOUCH, usbtouch->touch); |
1d3e2023 DR |
1157 | |
1158 | if (swap_xy) { | |
c9d8c2b3 DR |
1159 | input_report_abs(usbtouch->input, ABS_X, usbtouch->y); |
1160 | input_report_abs(usbtouch->input, ABS_Y, usbtouch->x); | |
1d3e2023 | 1161 | } else { |
c9d8c2b3 DR |
1162 | input_report_abs(usbtouch->input, ABS_X, usbtouch->x); |
1163 | input_report_abs(usbtouch->input, ABS_Y, usbtouch->y); | |
1d3e2023 DR |
1164 | } |
1165 | if (type->max_press) | |
c9d8c2b3 | 1166 | input_report_abs(usbtouch->input, ABS_PRESSURE, usbtouch->press); |
1d3e2023 DR |
1167 | input_sync(usbtouch->input); |
1168 | } | |
1169 | ||
1170 | ||
5d892665 DR |
1171 | #ifdef MULTI_PACKET |
1172 | static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, | |
5d892665 DR |
1173 | unsigned char *pkt, int len) |
1174 | { | |
1175 | unsigned char *buffer; | |
1176 | int pkt_len, pos, buf_len, tmp; | |
1177 | ||
1178 | /* process buffer */ | |
1179 | if (unlikely(usbtouch->buf_len)) { | |
1180 | /* try to get size */ | |
1181 | pkt_len = usbtouch->type->get_pkt_len( | |
1182 | usbtouch->buffer, usbtouch->buf_len); | |
1183 | ||
1184 | /* drop? */ | |
1185 | if (unlikely(!pkt_len)) | |
1186 | goto out_flush_buf; | |
1187 | ||
1188 | /* need to append -pkt_len bytes before able to get size */ | |
1189 | if (unlikely(pkt_len < 0)) { | |
1190 | int append = -pkt_len; | |
1191 | if (unlikely(append > len)) | |
1192 | append = len; | |
1193 | if (usbtouch->buf_len + append >= usbtouch->type->rept_size) | |
1194 | goto out_flush_buf; | |
1195 | memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, append); | |
1196 | usbtouch->buf_len += append; | |
1197 | ||
1198 | pkt_len = usbtouch->type->get_pkt_len( | |
1199 | usbtouch->buffer, usbtouch->buf_len); | |
1200 | if (pkt_len < 0) | |
1201 | return; | |
1202 | } | |
1203 | ||
1204 | /* append */ | |
1205 | tmp = pkt_len - usbtouch->buf_len; | |
1206 | if (usbtouch->buf_len + tmp >= usbtouch->type->rept_size) | |
1207 | goto out_flush_buf; | |
1208 | memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, tmp); | |
7d12e780 | 1209 | usbtouch_process_pkt(usbtouch, usbtouch->buffer, pkt_len); |
5d892665 DR |
1210 | |
1211 | buffer = pkt + tmp; | |
1212 | buf_len = len - tmp; | |
1213 | } else { | |
1214 | buffer = pkt; | |
1215 | buf_len = len; | |
1216 | } | |
1217 | ||
1218 | /* loop over the received packet, process */ | |
1219 | pos = 0; | |
1220 | while (pos < buf_len) { | |
1221 | /* get packet len */ | |
62aa366d DR |
1222 | pkt_len = usbtouch->type->get_pkt_len(buffer + pos, |
1223 | buf_len - pos); | |
5d892665 | 1224 | |
62aa366d DR |
1225 | /* unknown packet: skip one byte */ |
1226 | if (unlikely(!pkt_len)) { | |
1227 | pos++; | |
1228 | continue; | |
1229 | } | |
5d892665 DR |
1230 | |
1231 | /* full packet: process */ | |
1232 | if (likely((pkt_len > 0) && (pkt_len <= buf_len - pos))) { | |
7d12e780 | 1233 | usbtouch_process_pkt(usbtouch, buffer + pos, pkt_len); |
5d892665 DR |
1234 | } else { |
1235 | /* incomplete packet: save in buffer */ | |
1236 | memcpy(usbtouch->buffer, buffer + pos, buf_len - pos); | |
1237 | usbtouch->buf_len = buf_len - pos; | |
1238 | return; | |
1239 | } | |
1240 | pos += pkt_len; | |
1241 | } | |
1242 | ||
1243 | out_flush_buf: | |
1244 | usbtouch->buf_len = 0; | |
1245 | return; | |
1246 | } | |
1247 | #endif | |
1248 | ||
1249 | ||
7d12e780 | 1250 | static void usbtouch_irq(struct urb *urb) |
1d3e2023 DR |
1251 | { |
1252 | struct usbtouch_usb *usbtouch = urb->context; | |
1253 | int retval; | |
1254 | ||
1255 | switch (urb->status) { | |
1256 | case 0: | |
1257 | /* success */ | |
1258 | break; | |
38e2bfc9 | 1259 | case -ETIME: |
1d3e2023 DR |
1260 | /* this urb is timing out */ |
1261 | dbg("%s - urb timed out - was the device unplugged?", | |
ea3e6c59 | 1262 | __func__); |
1d3e2023 DR |
1263 | return; |
1264 | case -ECONNRESET: | |
1265 | case -ENOENT: | |
1266 | case -ESHUTDOWN: | |
5197424c | 1267 | case -EPIPE: |
1d3e2023 DR |
1268 | /* this urb is terminated, clean up */ |
1269 | dbg("%s - urb shutting down with status: %d", | |
ea3e6c59 | 1270 | __func__, urb->status); |
1d3e2023 DR |
1271 | return; |
1272 | default: | |
1273 | dbg("%s - nonzero urb status received: %d", | |
ea3e6c59 | 1274 | __func__, urb->status); |
1d3e2023 DR |
1275 | goto exit; |
1276 | } | |
1277 | ||
7d12e780 | 1278 | usbtouch->type->process_pkt(usbtouch, usbtouch->data, urb->actual_length); |
1d3e2023 DR |
1279 | |
1280 | exit: | |
5d9efc59 | 1281 | usb_mark_last_busy(interface_to_usbdev(usbtouch->interface)); |
1d3e2023 DR |
1282 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
1283 | if (retval) | |
1284 | err("%s - usb_submit_urb failed with result: %d", | |
ea3e6c59 | 1285 | __func__, retval); |
1d3e2023 DR |
1286 | } |
1287 | ||
1288 | static int usbtouch_open(struct input_dev *input) | |
1289 | { | |
7791bdae | 1290 | struct usbtouch_usb *usbtouch = input_get_drvdata(input); |
5d9efc59 | 1291 | int r; |
1d3e2023 | 1292 | |
fea4d14b | 1293 | usbtouch->irq->dev = interface_to_usbdev(usbtouch->interface); |
1d3e2023 | 1294 | |
5d9efc59 ON |
1295 | r = usb_autopm_get_interface(usbtouch->interface) ? -EIO : 0; |
1296 | if (r < 0) | |
1297 | goto out; | |
1298 | ||
2330ed18 | 1299 | if (!usbtouch->type->irq_always) { |
5d9efc59 ON |
1300 | if (usb_submit_urb(usbtouch->irq, GFP_KERNEL)) { |
1301 | r = -EIO; | |
1302 | goto out_put; | |
1303 | } | |
2330ed18 | 1304 | } |
1d3e2023 | 1305 | |
5d9efc59 ON |
1306 | usbtouch->interface->needs_remote_wakeup = 1; |
1307 | out_put: | |
1308 | usb_autopm_put_interface(usbtouch->interface); | |
1309 | out: | |
1310 | return r; | |
1d3e2023 DR |
1311 | } |
1312 | ||
1313 | static void usbtouch_close(struct input_dev *input) | |
1314 | { | |
7791bdae | 1315 | struct usbtouch_usb *usbtouch = input_get_drvdata(input); |
5d9efc59 | 1316 | int r; |
1d3e2023 | 1317 | |
2330ed18 DS |
1318 | if (!usbtouch->type->irq_always) |
1319 | usb_kill_urb(usbtouch->irq); | |
5d9efc59 ON |
1320 | r = usb_autopm_get_interface(usbtouch->interface); |
1321 | usbtouch->interface->needs_remote_wakeup = 0; | |
1322 | if (!r) | |
1323 | usb_autopm_put_interface(usbtouch->interface); | |
1d3e2023 DR |
1324 | } |
1325 | ||
ed4299e1 ON |
1326 | static int usbtouch_suspend |
1327 | (struct usb_interface *intf, pm_message_t message) | |
1328 | { | |
1329 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1330 | ||
1331 | usb_kill_urb(usbtouch->irq); | |
1332 | ||
1333 | return 0; | |
1334 | } | |
1335 | ||
1336 | static int usbtouch_resume(struct usb_interface *intf) | |
1337 | { | |
1338 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1339 | struct input_dev *input = usbtouch->input; | |
1340 | int result = 0; | |
1341 | ||
1342 | mutex_lock(&input->mutex); | |
1343 | if (input->users || usbtouch->type->irq_always) | |
1344 | result = usb_submit_urb(usbtouch->irq, GFP_NOIO); | |
1345 | mutex_unlock(&input->mutex); | |
1346 | ||
1347 | return result; | |
1348 | } | |
1d3e2023 | 1349 | |
a8aef622 ON |
1350 | static int usbtouch_reset_resume(struct usb_interface *intf) |
1351 | { | |
1352 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1353 | struct input_dev *input = usbtouch->input; | |
1354 | int err = 0; | |
1355 | ||
1356 | /* reinit the device */ | |
1357 | if (usbtouch->type->init) { | |
1358 | err = usbtouch->type->init(usbtouch); | |
1359 | if (err) { | |
1360 | dbg("%s - type->init() failed, err: %d", | |
1361 | __func__, err); | |
1362 | return err; | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | /* restart IO if needed */ | |
1367 | mutex_lock(&input->mutex); | |
1368 | if (input->users) | |
1369 | err = usb_submit_urb(usbtouch->irq, GFP_NOIO); | |
1370 | mutex_unlock(&input->mutex); | |
1371 | ||
1372 | return err; | |
1373 | } | |
1374 | ||
1d3e2023 DR |
1375 | static void usbtouch_free_buffers(struct usb_device *udev, |
1376 | struct usbtouch_usb *usbtouch) | |
1377 | { | |
997ea58e DM |
1378 | usb_free_coherent(udev, usbtouch->type->rept_size, |
1379 | usbtouch->data, usbtouch->data_dma); | |
1d3e2023 DR |
1380 | kfree(usbtouch->buffer); |
1381 | } | |
1382 | ||
f4a5e359 OZ |
1383 | static struct usb_endpoint_descriptor * |
1384 | usbtouch_get_input_endpoint(struct usb_host_interface *interface) | |
1385 | { | |
1386 | int i; | |
1387 | ||
1388 | for (i = 0; i < interface->desc.bNumEndpoints; i++) | |
1389 | if (usb_endpoint_dir_in(&interface->endpoint[i].desc)) | |
1390 | return &interface->endpoint[i].desc; | |
1391 | ||
1392 | return NULL; | |
1393 | } | |
1d3e2023 DR |
1394 | |
1395 | static int usbtouch_probe(struct usb_interface *intf, | |
1396 | const struct usb_device_id *id) | |
1397 | { | |
1398 | struct usbtouch_usb *usbtouch; | |
1399 | struct input_dev *input_dev; | |
1d3e2023 DR |
1400 | struct usb_endpoint_descriptor *endpoint; |
1401 | struct usb_device *udev = interface_to_usbdev(intf); | |
1402 | struct usbtouch_device_info *type; | |
5d892665 | 1403 | int err = -ENOMEM; |
ec42d448 DR |
1404 | |
1405 | /* some devices are ignored */ | |
1406 | if (id->driver_info == DEVTYPE_IGNORE) | |
1407 | return -ENODEV; | |
1d3e2023 | 1408 | |
f4a5e359 OZ |
1409 | endpoint = usbtouch_get_input_endpoint(intf->cur_altsetting); |
1410 | if (!endpoint) | |
1411 | return -ENXIO; | |
1d3e2023 DR |
1412 | |
1413 | usbtouch = kzalloc(sizeof(struct usbtouch_usb), GFP_KERNEL); | |
1414 | input_dev = input_allocate_device(); | |
1415 | if (!usbtouch || !input_dev) | |
1416 | goto out_free; | |
1417 | ||
1418 | type = &usbtouch_dev_info[id->driver_info]; | |
1419 | usbtouch->type = type; | |
1420 | if (!type->process_pkt) | |
1421 | type->process_pkt = usbtouch_process_pkt; | |
1422 | ||
997ea58e DM |
1423 | usbtouch->data = usb_alloc_coherent(udev, type->rept_size, |
1424 | GFP_KERNEL, &usbtouch->data_dma); | |
1d3e2023 DR |
1425 | if (!usbtouch->data) |
1426 | goto out_free; | |
1427 | ||
62aa366d | 1428 | if (type->get_pkt_len) { |
1d3e2023 DR |
1429 | usbtouch->buffer = kmalloc(type->rept_size, GFP_KERNEL); |
1430 | if (!usbtouch->buffer) | |
1431 | goto out_free_buffers; | |
1432 | } | |
1433 | ||
1434 | usbtouch->irq = usb_alloc_urb(0, GFP_KERNEL); | |
1435 | if (!usbtouch->irq) { | |
ea3e6c59 | 1436 | dbg("%s - usb_alloc_urb failed: usbtouch->irq", __func__); |
1d3e2023 DR |
1437 | goto out_free_buffers; |
1438 | } | |
1439 | ||
fea4d14b | 1440 | usbtouch->interface = intf; |
1d3e2023 DR |
1441 | usbtouch->input = input_dev; |
1442 | ||
1443 | if (udev->manufacturer) | |
1444 | strlcpy(usbtouch->name, udev->manufacturer, sizeof(usbtouch->name)); | |
1445 | ||
1446 | if (udev->product) { | |
1447 | if (udev->manufacturer) | |
1448 | strlcat(usbtouch->name, " ", sizeof(usbtouch->name)); | |
1449 | strlcat(usbtouch->name, udev->product, sizeof(usbtouch->name)); | |
1450 | } | |
1451 | ||
1452 | if (!strlen(usbtouch->name)) | |
1453 | snprintf(usbtouch->name, sizeof(usbtouch->name), | |
1454 | "USB Touchscreen %04x:%04x", | |
1455 | le16_to_cpu(udev->descriptor.idVendor), | |
1456 | le16_to_cpu(udev->descriptor.idProduct)); | |
1457 | ||
1458 | usb_make_path(udev, usbtouch->phys, sizeof(usbtouch->phys)); | |
7b6dff98 | 1459 | strlcat(usbtouch->phys, "/input0", sizeof(usbtouch->phys)); |
1d3e2023 DR |
1460 | |
1461 | input_dev->name = usbtouch->name; | |
1462 | input_dev->phys = usbtouch->phys; | |
1463 | usb_to_input_id(udev, &input_dev->id); | |
c0f82d57 | 1464 | input_dev->dev.parent = &intf->dev; |
7791bdae DT |
1465 | |
1466 | input_set_drvdata(input_dev, usbtouch); | |
1467 | ||
1d3e2023 DR |
1468 | input_dev->open = usbtouch_open; |
1469 | input_dev->close = usbtouch_close; | |
1470 | ||
7b19ada2 JS |
1471 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
1472 | input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); | |
1d3e2023 DR |
1473 | input_set_abs_params(input_dev, ABS_X, type->min_xc, type->max_xc, 0, 0); |
1474 | input_set_abs_params(input_dev, ABS_Y, type->min_yc, type->max_yc, 0, 0); | |
1475 | if (type->max_press) | |
1476 | input_set_abs_params(input_dev, ABS_PRESSURE, type->min_press, | |
1477 | type->max_press, 0, 0); | |
1478 | ||
5197424c OZ |
1479 | if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT) |
1480 | usb_fill_int_urb(usbtouch->irq, udev, | |
fea4d14b | 1481 | usb_rcvintpipe(udev, endpoint->bEndpointAddress), |
1d3e2023 DR |
1482 | usbtouch->data, type->rept_size, |
1483 | usbtouch_irq, usbtouch, endpoint->bInterval); | |
5197424c OZ |
1484 | else |
1485 | usb_fill_bulk_urb(usbtouch->irq, udev, | |
1486 | usb_rcvbulkpipe(udev, endpoint->bEndpointAddress), | |
1487 | usbtouch->data, type->rept_size, | |
1488 | usbtouch_irq, usbtouch); | |
1d3e2023 | 1489 | |
fea4d14b | 1490 | usbtouch->irq->dev = udev; |
1d3e2023 DR |
1491 | usbtouch->irq->transfer_dma = usbtouch->data_dma; |
1492 | usbtouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1493 | ||
a8aef622 ON |
1494 | /* device specific allocations */ |
1495 | if (type->alloc) { | |
1496 | err = type->alloc(usbtouch); | |
1497 | if (err) { | |
1498 | dbg("%s - type->alloc() failed, err: %d", __func__, err); | |
1499 | goto out_free_urb; | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | /* device specific initialisation*/ | |
1d3e2023 DR |
1504 | if (type->init) { |
1505 | err = type->init(usbtouch); | |
1506 | if (err) { | |
ea3e6c59 | 1507 | dbg("%s - type->init() failed, err: %d", __func__, err); |
a8aef622 | 1508 | goto out_do_exit; |
1d3e2023 DR |
1509 | } |
1510 | } | |
1511 | ||
1512 | err = input_register_device(usbtouch->input); | |
1513 | if (err) { | |
ea3e6c59 | 1514 | dbg("%s - input_register_device failed, err: %d", __func__, err); |
5197424c | 1515 | goto out_do_exit; |
1d3e2023 DR |
1516 | } |
1517 | ||
1518 | usb_set_intfdata(intf, usbtouch); | |
1519 | ||
1e87a430 | 1520 | if (usbtouch->type->irq_always) { |
5d9efc59 ON |
1521 | /* this can't fail */ |
1522 | usb_autopm_get_interface(intf); | |
1e87a430 OZ |
1523 | err = usb_submit_urb(usbtouch->irq, GFP_KERNEL); |
1524 | if (err) { | |
5d9efc59 | 1525 | usb_autopm_put_interface(intf); |
1e87a430 OZ |
1526 | err("%s - usb_submit_urb failed with result: %d", |
1527 | __func__, err); | |
1528 | goto out_unregister_input; | |
1529 | } | |
1530 | } | |
2330ed18 | 1531 | |
1d3e2023 DR |
1532 | return 0; |
1533 | ||
1e87a430 OZ |
1534 | out_unregister_input: |
1535 | input_unregister_device(input_dev); | |
1536 | input_dev = NULL; | |
5197424c OZ |
1537 | out_do_exit: |
1538 | if (type->exit) | |
1539 | type->exit(usbtouch); | |
1e87a430 OZ |
1540 | out_free_urb: |
1541 | usb_free_urb(usbtouch->irq); | |
1d3e2023 DR |
1542 | out_free_buffers: |
1543 | usbtouch_free_buffers(udev, usbtouch); | |
1544 | out_free: | |
1545 | input_free_device(input_dev); | |
1546 | kfree(usbtouch); | |
5d892665 | 1547 | return err; |
1d3e2023 DR |
1548 | } |
1549 | ||
1550 | static void usbtouch_disconnect(struct usb_interface *intf) | |
1551 | { | |
1552 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1553 | ||
ea3e6c59 | 1554 | dbg("%s - called", __func__); |
1d3e2023 DR |
1555 | |
1556 | if (!usbtouch) | |
1557 | return; | |
1558 | ||
ea3e6c59 | 1559 | dbg("%s - usbtouch is initialized, cleaning up", __func__); |
1d3e2023 | 1560 | usb_set_intfdata(intf, NULL); |
722232bc | 1561 | /* this will stop IO via close */ |
1d3e2023 DR |
1562 | input_unregister_device(usbtouch->input); |
1563 | usb_free_urb(usbtouch->irq); | |
5197424c OZ |
1564 | if (usbtouch->type->exit) |
1565 | usbtouch->type->exit(usbtouch); | |
1d3e2023 DR |
1566 | usbtouch_free_buffers(interface_to_usbdev(intf), usbtouch); |
1567 | kfree(usbtouch); | |
1568 | } | |
1569 | ||
1570 | MODULE_DEVICE_TABLE(usb, usbtouch_devices); | |
1571 | ||
1572 | static struct usb_driver usbtouch_driver = { | |
1573 | .name = "usbtouchscreen", | |
1574 | .probe = usbtouch_probe, | |
1575 | .disconnect = usbtouch_disconnect, | |
ed4299e1 ON |
1576 | .suspend = usbtouch_suspend, |
1577 | .resume = usbtouch_resume, | |
a8aef622 | 1578 | .reset_resume = usbtouch_reset_resume, |
1d3e2023 | 1579 | .id_table = usbtouch_devices, |
5d9efc59 | 1580 | .supports_autosuspend = 1, |
1d3e2023 DR |
1581 | }; |
1582 | ||
1583 | static int __init usbtouch_init(void) | |
1584 | { | |
1585 | return usb_register(&usbtouch_driver); | |
1586 | } | |
1587 | ||
1588 | static void __exit usbtouch_cleanup(void) | |
1589 | { | |
1590 | usb_deregister(&usbtouch_driver); | |
1591 | } | |
1592 | ||
1593 | module_init(usbtouch_init); | |
1594 | module_exit(usbtouch_cleanup); | |
1595 | ||
1596 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1597 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1598 | MODULE_LICENSE("GPL"); | |
1599 | ||
1600 | MODULE_ALIAS("touchkitusb"); | |
1601 | MODULE_ALIAS("itmtouch"); | |
1602 | MODULE_ALIAS("mtouchusb"); |