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 |
d2cc817a | 19 | * - Elo TouchSystems 2700 IntelliTouch |
1d3e2023 | 20 | * |
14e40206 | 21 | * Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch> |
1d3e2023 DR |
22 | * Copyright (C) by Todd E. Johnson (mtouchusb.c) |
23 | * | |
24 | * This program is free software; you can redistribute it and/or | |
25 | * modify it under the terms of the GNU General Public License as | |
26 | * published by the Free Software Foundation; either version 2 of the | |
27 | * License, or (at your option) any later version. | |
28 | * | |
29 | * This program is distributed in the hope that it will be useful, but | |
30 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
31 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
32 | * General Public License for more details. | |
33 | * | |
34 | * You should have received a copy of the GNU General Public License | |
35 | * along with this program; if not, write to the Free Software | |
36 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
37 | * | |
38 | * Driver is based on touchkitusb.c | |
39 | * - ITM parts are from itmtouch.c | |
40 | * - 3M parts are from mtouchusb.c | |
41 | * - PanJit parts are from an unmerged driver by Lanslott Gish | |
24ced062 HS |
42 | * - DMC TSC 10/25 are from Holger Schurig, with ideas from an unmerged |
43 | * driver from Marius Vollmer | |
1d3e2023 DR |
44 | * |
45 | *****************************************************************************/ | |
46 | ||
47 | //#define DEBUG | |
48 | ||
1d3e2023 DR |
49 | #include <linux/kernel.h> |
50 | #include <linux/slab.h> | |
51 | #include <linux/input.h> | |
52 | #include <linux/module.h> | |
53 | #include <linux/init.h> | |
54 | #include <linux/usb.h> | |
ae0dadcf | 55 | #include <linux/usb/input.h> |
ec42d448 | 56 | #include <linux/hid.h> |
1d3e2023 DR |
57 | |
58 | ||
62aa366d | 59 | #define DRIVER_VERSION "v0.6" |
1d3e2023 DR |
60 | #define DRIVER_AUTHOR "Daniel Ritz <daniel.ritz@gmx.ch>" |
61 | #define DRIVER_DESC "USB Touchscreen Driver" | |
62 | ||
90ab5ee9 | 63 | static bool swap_xy; |
1d3e2023 DR |
64 | module_param(swap_xy, bool, 0644); |
65 | MODULE_PARM_DESC(swap_xy, "If set X and Y axes are swapped."); | |
66 | ||
90ab5ee9 | 67 | static bool hwcalib_xy; |
c9cbf3d3 DS |
68 | module_param(hwcalib_xy, bool, 0644); |
69 | MODULE_PARM_DESC(hwcalib_xy, "If set hw-calibrated X/Y are used if available"); | |
70 | ||
1d3e2023 DR |
71 | /* device specifc data/functions */ |
72 | struct usbtouch_usb; | |
73 | struct usbtouch_device_info { | |
74 | int min_xc, max_xc; | |
75 | int min_yc, max_yc; | |
76 | int min_press, max_press; | |
77 | int rept_size; | |
1d3e2023 | 78 | |
2330ed18 DS |
79 | /* |
80 | * Always service the USB devices irq not just when the input device is | |
81 | * open. This is useful when devices have a watchdog which prevents us | |
82 | * from periodically polling the device. Leave this unset unless your | |
83 | * touchscreen device requires it, as it does consume more of the USB | |
84 | * bandwidth. | |
85 | */ | |
86 | bool irq_always; | |
87 | ||
7d12e780 | 88 | void (*process_pkt) (struct usbtouch_usb *usbtouch, unsigned char *pkt, int len); |
62aa366d DR |
89 | |
90 | /* | |
91 | * used to get the packet len. possible return values: | |
92 | * > 0: packet len | |
93 | * = 0: skip one byte | |
94 | * < 0: -return value more bytes needed | |
95 | */ | |
5d892665 | 96 | int (*get_pkt_len) (unsigned char *pkt, int len); |
62aa366d | 97 | |
c9d8c2b3 | 98 | int (*read_data) (struct usbtouch_usb *usbtouch, unsigned char *pkt); |
a8aef622 | 99 | int (*alloc) (struct usbtouch_usb *usbtouch); |
1d3e2023 | 100 | int (*init) (struct usbtouch_usb *usbtouch); |
5197424c | 101 | void (*exit) (struct usbtouch_usb *usbtouch); |
1d3e2023 DR |
102 | }; |
103 | ||
1d3e2023 DR |
104 | /* a usbtouch device */ |
105 | struct usbtouch_usb { | |
106 | unsigned char *data; | |
107 | dma_addr_t data_dma; | |
108 | unsigned char *buffer; | |
109 | int buf_len; | |
110 | struct urb *irq; | |
fea4d14b | 111 | struct usb_interface *interface; |
1d3e2023 DR |
112 | struct input_dev *input; |
113 | struct usbtouch_device_info *type; | |
114 | char name[128]; | |
115 | char phys[64]; | |
5197424c | 116 | void *priv; |
c9d8c2b3 DR |
117 | |
118 | int x, y; | |
119 | int touch, press; | |
1d3e2023 DR |
120 | }; |
121 | ||
5d892665 | 122 | |
1d3e2023 DR |
123 | /* device types */ |
124 | enum { | |
ec42d448 | 125 | DEVTYPE_IGNORE = -1, |
1d3e2023 DR |
126 | DEVTYPE_EGALAX, |
127 | DEVTYPE_PANJIT, | |
128 | DEVTYPE_3M, | |
129 | DEVTYPE_ITM, | |
5d892665 DR |
130 | DEVTYPE_ETURBO, |
131 | DEVTYPE_GUNZE, | |
24ced062 | 132 | DEVTYPE_DMC_TSC10, |
df561fcd | 133 | DEVTYPE_IRTOUCH, |
a14a8401 | 134 | DEVTYPE_IDEALTEK, |
9d5657db | 135 | DEVTYPE_GENERAL_TOUCH, |
14e40206 | 136 | DEVTYPE_GOTOP, |
f7370699 | 137 | DEVTYPE_JASTEC, |
9e3b2583 | 138 | DEVTYPE_E2I, |
2330ed18 | 139 | DEVTYPE_ZYTRONIC, |
38771bb4 | 140 | DEVTYPE_TC45USB, |
5197424c | 141 | DEVTYPE_NEXIO, |
d2cc817a | 142 | DEVTYPE_ELO, |
1d3e2023 DR |
143 | }; |
144 | ||
ec42d448 DR |
145 | #define USB_DEVICE_HID_CLASS(vend, prod) \ |
146 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS \ | |
139ebe8d | 147 | | USB_DEVICE_ID_MATCH_INT_PROTOCOL \ |
ec42d448 DR |
148 | | USB_DEVICE_ID_MATCH_DEVICE, \ |
149 | .idVendor = (vend), \ | |
150 | .idProduct = (prod), \ | |
151 | .bInterfaceClass = USB_INTERFACE_CLASS_HID, \ | |
152 | .bInterfaceProtocol = USB_INTERFACE_PROTOCOL_MOUSE | |
153 | ||
9cb3ce52 | 154 | static const struct usb_device_id usbtouch_devices[] = { |
c6f8d706 | 155 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
ec42d448 DR |
156 | /* ignore the HID capable devices, handled by usbhid */ |
157 | {USB_DEVICE_HID_CLASS(0x0eef, 0x0001), .driver_info = DEVTYPE_IGNORE}, | |
158 | {USB_DEVICE_HID_CLASS(0x0eef, 0x0002), .driver_info = DEVTYPE_IGNORE}, | |
159 | ||
160 | /* normal device IDs */ | |
1d3e2023 | 161 | {USB_DEVICE(0x3823, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
5d892665 | 162 | {USB_DEVICE(0x3823, 0x0002), .driver_info = DEVTYPE_EGALAX}, |
1d3e2023 DR |
163 | {USB_DEVICE(0x0123, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
164 | {USB_DEVICE(0x0eef, 0x0001), .driver_info = DEVTYPE_EGALAX}, | |
165 | {USB_DEVICE(0x0eef, 0x0002), .driver_info = DEVTYPE_EGALAX}, | |
5d892665 DR |
166 | {USB_DEVICE(0x1234, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
167 | {USB_DEVICE(0x1234, 0x0002), .driver_info = DEVTYPE_EGALAX}, | |
1d3e2023 DR |
168 | #endif |
169 | ||
c6f8d706 | 170 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
1d3e2023 DR |
171 | {USB_DEVICE(0x134c, 0x0001), .driver_info = DEVTYPE_PANJIT}, |
172 | {USB_DEVICE(0x134c, 0x0002), .driver_info = DEVTYPE_PANJIT}, | |
173 | {USB_DEVICE(0x134c, 0x0003), .driver_info = DEVTYPE_PANJIT}, | |
174 | {USB_DEVICE(0x134c, 0x0004), .driver_info = DEVTYPE_PANJIT}, | |
175 | #endif | |
176 | ||
c6f8d706 | 177 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
178 | {USB_DEVICE(0x0596, 0x0001), .driver_info = DEVTYPE_3M}, |
179 | #endif | |
180 | ||
c6f8d706 | 181 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
1d3e2023 | 182 | {USB_DEVICE(0x0403, 0xf9e9), .driver_info = DEVTYPE_ITM}, |
09910509 | 183 | {USB_DEVICE(0x16e3, 0xf9e9), .driver_info = DEVTYPE_ITM}, |
1d3e2023 DR |
184 | #endif |
185 | ||
c6f8d706 | 186 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
5d892665 DR |
187 | {USB_DEVICE(0x1234, 0x5678), .driver_info = DEVTYPE_ETURBO}, |
188 | #endif | |
189 | ||
c6f8d706 | 190 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
5d892665 DR |
191 | {USB_DEVICE(0x0637, 0x0001), .driver_info = DEVTYPE_GUNZE}, |
192 | #endif | |
193 | ||
c6f8d706 | 194 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
195 | {USB_DEVICE(0x0afa, 0x03e8), .driver_info = DEVTYPE_DMC_TSC10}, |
196 | #endif | |
197 | ||
df561fcd OZ |
198 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH |
199 | {USB_DEVICE(0x595a, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, | |
200 | {USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, | |
201 | #endif | |
202 | ||
a14a8401 OZ |
203 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK |
204 | {USB_DEVICE(0x1391, 0x1000), .driver_info = DEVTYPE_IDEALTEK}, | |
205 | #endif | |
206 | ||
9d5657db IF |
207 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH |
208 | {USB_DEVICE(0x0dfc, 0x0001), .driver_info = DEVTYPE_GENERAL_TOUCH}, | |
209 | #endif | |
210 | ||
14e40206 JJ |
211 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP |
212 | {USB_DEVICE(0x08f2, 0x007f), .driver_info = DEVTYPE_GOTOP}, | |
213 | {USB_DEVICE(0x08f2, 0x00ce), .driver_info = DEVTYPE_GOTOP}, | |
214 | {USB_DEVICE(0x08f2, 0x00f4), .driver_info = DEVTYPE_GOTOP}, | |
215 | #endif | |
216 | ||
f7370699 JP |
217 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC |
218 | {USB_DEVICE(0x0f92, 0x0001), .driver_info = DEVTYPE_JASTEC}, | |
219 | #endif | |
220 | ||
9e3b2583 FE |
221 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I |
222 | {USB_DEVICE(0x1ac7, 0x0001), .driver_info = DEVTYPE_E2I}, | |
223 | #endif | |
2330ed18 DS |
224 | |
225 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
226 | {USB_DEVICE(0x14c8, 0x0003), .driver_info = DEVTYPE_ZYTRONIC}, | |
227 | #endif | |
228 | ||
38771bb4 PŠ |
229 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
230 | /* TC5UH */ | |
231 | {USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC45USB}, | |
232 | /* TC4UM */ | |
233 | {USB_DEVICE(0x0664, 0x0306), .driver_info = DEVTYPE_TC45USB}, | |
dbe1420b PŠ |
234 | #endif |
235 | ||
5197424c OZ |
236 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO |
237 | /* data interface only */ | |
238 | {USB_DEVICE_AND_INTERFACE_INFO(0x10f0, 0x2002, 0x0a, 0x00, 0x00), | |
239 | .driver_info = DEVTYPE_NEXIO}, | |
240 | {USB_DEVICE_AND_INTERFACE_INFO(0x1870, 0x0001, 0x0a, 0x00, 0x00), | |
241 | .driver_info = DEVTYPE_NEXIO}, | |
242 | #endif | |
243 | ||
d2cc817a MG |
244 | #ifdef CONFIG_TOUCHSCREEN_USB_ELO |
245 | {USB_DEVICE(0x04e7, 0x0020), .driver_info = DEVTYPE_ELO}, | |
246 | #endif | |
247 | ||
1d3e2023 DR |
248 | {} |
249 | }; | |
250 | ||
251 | ||
9e3b2583 FE |
252 | /***************************************************************************** |
253 | * e2i Part | |
254 | */ | |
255 | ||
256 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I | |
257 | static int e2i_init(struct usbtouch_usb *usbtouch) | |
258 | { | |
259 | int ret; | |
fea4d14b | 260 | struct usb_device *udev = interface_to_usbdev(usbtouch->interface); |
9e3b2583 | 261 | |
fea4d14b | 262 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
9e3b2583 FE |
263 | 0x01, 0x02, 0x0000, 0x0081, |
264 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
265 | ||
266 | dbg("%s - usb_control_msg - E2I_RESET - bytes|err: %d", | |
267 | __func__, ret); | |
268 | return ret; | |
269 | } | |
270 | ||
271 | static int e2i_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
272 | { | |
273 | int tmp = (pkt[0] << 8) | pkt[1]; | |
274 | dev->x = (pkt[2] << 8) | pkt[3]; | |
275 | dev->y = (pkt[4] << 8) | pkt[5]; | |
276 | ||
277 | tmp = tmp - 0xA000; | |
278 | dev->touch = (tmp > 0); | |
279 | dev->press = (tmp > 0 ? tmp : 0); | |
280 | ||
281 | return 1; | |
282 | } | |
283 | #endif | |
284 | ||
285 | ||
1d3e2023 DR |
286 | /***************************************************************************** |
287 | * eGalax part | |
288 | */ | |
289 | ||
c6f8d706 | 290 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
1d3e2023 | 291 | |
62aa366d DR |
292 | #ifndef MULTI_PACKET |
293 | #define MULTI_PACKET | |
294 | #endif | |
295 | ||
1d3e2023 DR |
296 | #define EGALAX_PKT_TYPE_MASK 0xFE |
297 | #define EGALAX_PKT_TYPE_REPT 0x80 | |
298 | #define EGALAX_PKT_TYPE_DIAG 0x0A | |
299 | ||
c9d8c2b3 | 300 | static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 DR |
301 | { |
302 | if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT) | |
303 | return 0; | |
304 | ||
c9d8c2b3 DR |
305 | dev->x = ((pkt[3] & 0x0F) << 7) | (pkt[4] & 0x7F); |
306 | dev->y = ((pkt[1] & 0x0F) << 7) | (pkt[2] & 0x7F); | |
307 | dev->touch = pkt[0] & 0x01; | |
1d3e2023 DR |
308 | |
309 | return 1; | |
1d3e2023 DR |
310 | } |
311 | ||
5d892665 | 312 | static int egalax_get_pkt_len(unsigned char *buf, int len) |
1d3e2023 DR |
313 | { |
314 | switch (buf[0] & EGALAX_PKT_TYPE_MASK) { | |
315 | case EGALAX_PKT_TYPE_REPT: | |
316 | return 5; | |
317 | ||
318 | case EGALAX_PKT_TYPE_DIAG: | |
5d892665 DR |
319 | if (len < 2) |
320 | return -1; | |
321 | ||
1d3e2023 DR |
322 | return buf[1] + 2; |
323 | } | |
324 | ||
325 | return 0; | |
326 | } | |
1d3e2023 DR |
327 | #endif |
328 | ||
329 | ||
330 | /***************************************************************************** | |
331 | * PanJit Part | |
332 | */ | |
c6f8d706 | 333 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
c9d8c2b3 | 334 | static int panjit_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 335 | { |
c9d8c2b3 DR |
336 | dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1]; |
337 | dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3]; | |
338 | dev->touch = pkt[0] & 0x01; | |
1d3e2023 DR |
339 | |
340 | return 1; | |
341 | } | |
342 | #endif | |
343 | ||
344 | ||
345 | /***************************************************************************** | |
346 | * 3M/Microtouch Part | |
347 | */ | |
c6f8d706 | 348 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
349 | |
350 | #define MTOUCHUSB_ASYNC_REPORT 1 | |
351 | #define MTOUCHUSB_RESET 7 | |
352 | #define MTOUCHUSB_REQ_CTRLLR_ID 10 | |
353 | ||
c9d8c2b3 | 354 | static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 355 | { |
c9cbf3d3 DS |
356 | if (hwcalib_xy) { |
357 | dev->x = (pkt[4] << 8) | pkt[3]; | |
358 | dev->y = 0xffff - ((pkt[6] << 8) | pkt[5]); | |
359 | } else { | |
360 | dev->x = (pkt[8] << 8) | pkt[7]; | |
361 | dev->y = (pkt[10] << 8) | pkt[9]; | |
362 | } | |
c9d8c2b3 | 363 | dev->touch = (pkt[2] & 0x40) ? 1 : 0; |
1d3e2023 DR |
364 | |
365 | return 1; | |
366 | } | |
367 | ||
368 | static int mtouch_init(struct usbtouch_usb *usbtouch) | |
369 | { | |
5d892665 | 370 | int ret, i; |
fea4d14b | 371 | struct usb_device *udev = interface_to_usbdev(usbtouch->interface); |
1d3e2023 | 372 | |
fea4d14b | 373 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1d3e2023 DR |
374 | MTOUCHUSB_RESET, |
375 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
376 | 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
377 | dbg("%s - usb_control_msg - MTOUCHUSB_RESET - bytes|err: %d", | |
ea3e6c59 | 378 | __func__, ret); |
1d3e2023 DR |
379 | if (ret < 0) |
380 | return ret; | |
5d892665 DR |
381 | msleep(150); |
382 | ||
383 | for (i = 0; i < 3; i++) { | |
fea4d14b | 384 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
5d892665 DR |
385 | MTOUCHUSB_ASYNC_REPORT, |
386 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
387 | 1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
388 | dbg("%s - usb_control_msg - MTOUCHUSB_ASYNC_REPORT - bytes|err: %d", | |
ea3e6c59 | 389 | __func__, ret); |
5d892665 DR |
390 | if (ret >= 0) |
391 | break; | |
392 | if (ret != -EPIPE) | |
393 | return ret; | |
394 | } | |
1d3e2023 | 395 | |
c9cbf3d3 DS |
396 | /* Default min/max xy are the raw values, override if using hw-calib */ |
397 | if (hwcalib_xy) { | |
398 | input_set_abs_params(usbtouch->input, ABS_X, 0, 0xffff, 0, 0); | |
399 | input_set_abs_params(usbtouch->input, ABS_Y, 0, 0xffff, 0, 0); | |
400 | } | |
401 | ||
1d3e2023 DR |
402 | return 0; |
403 | } | |
404 | #endif | |
405 | ||
406 | ||
407 | /***************************************************************************** | |
408 | * ITM Part | |
409 | */ | |
c6f8d706 | 410 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
c9d8c2b3 | 411 | static int itm_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 412 | { |
c9d8c2b3 DR |
413 | int touch; |
414 | /* | |
415 | * ITM devices report invalid x/y data if not touched. | |
416 | * if the screen was touched before but is not touched any more | |
417 | * report touch as 0 with the last valid x/y data once. then stop | |
418 | * reporting data until touched again. | |
419 | */ | |
420 | dev->press = ((pkt[2] & 0x01) << 7) | (pkt[5] & 0x7F); | |
421 | ||
422 | touch = ~pkt[7] & 0x20; | |
423 | if (!touch) { | |
424 | if (dev->touch) { | |
425 | dev->touch = 0; | |
426 | return 1; | |
427 | } | |
428 | ||
429 | return 0; | |
430 | } | |
431 | ||
432 | dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F); | |
433 | dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F); | |
434 | dev->touch = touch; | |
1d3e2023 | 435 | |
c9d8c2b3 | 436 | return 1; |
1d3e2023 DR |
437 | } |
438 | #endif | |
439 | ||
440 | ||
5d892665 DR |
441 | /***************************************************************************** |
442 | * eTurboTouch part | |
443 | */ | |
c6f8d706 | 444 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
62aa366d DR |
445 | #ifndef MULTI_PACKET |
446 | #define MULTI_PACKET | |
447 | #endif | |
c9d8c2b3 | 448 | static int eturbo_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
5d892665 DR |
449 | { |
450 | unsigned int shift; | |
451 | ||
452 | /* packets should start with sync */ | |
453 | if (!(pkt[0] & 0x80)) | |
454 | return 0; | |
455 | ||
456 | shift = (6 - (pkt[0] & 0x03)); | |
c9d8c2b3 DR |
457 | dev->x = ((pkt[3] << 7) | pkt[4]) >> shift; |
458 | dev->y = ((pkt[1] << 7) | pkt[2]) >> shift; | |
459 | dev->touch = (pkt[0] & 0x10) ? 1 : 0; | |
5d892665 DR |
460 | |
461 | return 1; | |
462 | } | |
463 | ||
464 | static int eturbo_get_pkt_len(unsigned char *buf, int len) | |
465 | { | |
466 | if (buf[0] & 0x80) | |
467 | return 5; | |
468 | if (buf[0] == 0x01) | |
469 | return 3; | |
470 | return 0; | |
471 | } | |
472 | #endif | |
473 | ||
474 | ||
475 | /***************************************************************************** | |
476 | * Gunze part | |
477 | */ | |
c6f8d706 | 478 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
c9d8c2b3 | 479 | static int gunze_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
5d892665 DR |
480 | { |
481 | if (!(pkt[0] & 0x80) || ((pkt[1] | pkt[2] | pkt[3]) & 0x80)) | |
482 | return 0; | |
483 | ||
c9d8c2b3 DR |
484 | dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[2] & 0x7F); |
485 | dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[3] & 0x7F); | |
486 | dev->touch = pkt[0] & 0x20; | |
5d892665 DR |
487 | |
488 | return 1; | |
489 | } | |
490 | #endif | |
491 | ||
24ced062 HS |
492 | /***************************************************************************** |
493 | * DMC TSC-10/25 Part | |
494 | * | |
495 | * Documentation about the controller and it's protocol can be found at | |
496 | * http://www.dmccoltd.com/files/controler/tsc10usb_pi_e.pdf | |
497 | * http://www.dmccoltd.com/files/controler/tsc25_usb_e.pdf | |
498 | */ | |
c6f8d706 | 499 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
500 | |
501 | /* supported data rates. currently using 130 */ | |
502 | #define TSC10_RATE_POINT 0x50 | |
503 | #define TSC10_RATE_30 0x40 | |
504 | #define TSC10_RATE_50 0x41 | |
505 | #define TSC10_RATE_80 0x42 | |
506 | #define TSC10_RATE_100 0x43 | |
507 | #define TSC10_RATE_130 0x44 | |
508 | #define TSC10_RATE_150 0x45 | |
509 | ||
510 | /* commands */ | |
511 | #define TSC10_CMD_RESET 0x55 | |
512 | #define TSC10_CMD_RATE 0x05 | |
513 | #define TSC10_CMD_DATA1 0x01 | |
514 | ||
515 | static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) | |
516 | { | |
fea4d14b | 517 | struct usb_device *dev = interface_to_usbdev(usbtouch->interface); |
76d057ce ON |
518 | int ret = -ENOMEM; |
519 | unsigned char *buf; | |
24ced062 | 520 | |
a8aef622 | 521 | buf = kmalloc(2, GFP_NOIO); |
76d057ce ON |
522 | if (!buf) |
523 | goto err_nobuf; | |
24ced062 HS |
524 | /* reset */ |
525 | buf[0] = buf[1] = 0xFF; | |
526 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
527 | TSC10_CMD_RESET, | |
528 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
529 | 0, 0, buf, 2, USB_CTRL_SET_TIMEOUT); | |
530 | if (ret < 0) | |
76d057ce | 531 | goto err_out; |
2ec6f246 | 532 | if (buf[0] != 0x06) { |
76d057ce ON |
533 | ret = -ENODEV; |
534 | goto err_out; | |
535 | } | |
24ced062 HS |
536 | |
537 | /* set coordinate output rate */ | |
538 | buf[0] = buf[1] = 0xFF; | |
539 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
540 | TSC10_CMD_RATE, | |
541 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
542 | TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT); | |
543 | if (ret < 0) | |
76d057ce | 544 | goto err_out; |
2ec6f246 | 545 | if ((buf[0] != 0x06) && (buf[0] != 0x15 || buf[1] != 0x01)) { |
76d057ce ON |
546 | ret = -ENODEV; |
547 | goto err_out; | |
548 | } | |
24ced062 HS |
549 | |
550 | /* start sending data */ | |
551 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
552 | TSC10_CMD_DATA1, | |
553 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
554 | 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
76d057ce ON |
555 | err_out: |
556 | kfree(buf); | |
557 | err_nobuf: | |
558 | return ret; | |
24ced062 HS |
559 | } |
560 | ||
561 | ||
c9d8c2b3 | 562 | static int dmc_tsc10_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
24ced062 | 563 | { |
c9d8c2b3 DR |
564 | dev->x = ((pkt[2] & 0x03) << 8) | pkt[1]; |
565 | dev->y = ((pkt[4] & 0x03) << 8) | pkt[3]; | |
566 | dev->touch = pkt[0] & 0x01; | |
24ced062 HS |
567 | |
568 | return 1; | |
569 | } | |
570 | #endif | |
571 | ||
572 | ||
df561fcd OZ |
573 | /***************************************************************************** |
574 | * IRTOUCH Part | |
575 | */ | |
576 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH | |
577 | static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
578 | { | |
579 | dev->x = (pkt[3] << 8) | pkt[2]; | |
580 | dev->y = (pkt[5] << 8) | pkt[4]; | |
581 | dev->touch = (pkt[1] & 0x03) ? 1 : 0; | |
582 | ||
583 | return 1; | |
584 | } | |
585 | #endif | |
586 | ||
dbe1420b | 587 | /***************************************************************************** |
38771bb4 | 588 | * ET&T TC5UH/TC4UM part |
dbe1420b | 589 | */ |
38771bb4 PŠ |
590 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
591 | static int tc45usb_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
dbe1420b PŠ |
592 | { |
593 | dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1]; | |
594 | dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3]; | |
595 | dev->touch = pkt[0] & 0x01; | |
596 | ||
597 | return 1; | |
598 | } | |
599 | #endif | |
df561fcd | 600 | |
a14a8401 OZ |
601 | /***************************************************************************** |
602 | * IdealTEK URTC1000 Part | |
603 | */ | |
604 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK | |
62aa366d DR |
605 | #ifndef MULTI_PACKET |
606 | #define MULTI_PACKET | |
607 | #endif | |
a14a8401 OZ |
608 | static int idealtek_get_pkt_len(unsigned char *buf, int len) |
609 | { | |
610 | if (buf[0] & 0x80) | |
611 | return 5; | |
612 | if (buf[0] == 0x01) | |
613 | return len; | |
614 | return 0; | |
615 | } | |
616 | ||
617 | static int idealtek_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
618 | { | |
619 | switch (pkt[0] & 0x98) { | |
620 | case 0x88: | |
621 | /* touch data in IdealTEK mode */ | |
622 | dev->x = (pkt[1] << 5) | (pkt[2] >> 2); | |
623 | dev->y = (pkt[3] << 5) | (pkt[4] >> 2); | |
624 | dev->touch = (pkt[0] & 0x40) ? 1 : 0; | |
625 | return 1; | |
626 | ||
627 | case 0x98: | |
628 | /* touch data in MT emulation mode */ | |
629 | dev->x = (pkt[2] << 5) | (pkt[1] >> 2); | |
630 | dev->y = (pkt[4] << 5) | (pkt[3] >> 2); | |
631 | dev->touch = (pkt[0] & 0x40) ? 1 : 0; | |
632 | return 1; | |
633 | ||
634 | default: | |
635 | return 0; | |
636 | } | |
637 | } | |
638 | #endif | |
639 | ||
9d5657db IF |
640 | /***************************************************************************** |
641 | * General Touch Part | |
642 | */ | |
643 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH | |
644 | static int general_touch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
645 | { | |
eb083ba2 RY |
646 | dev->x = (pkt[2] << 8) | pkt[1]; |
647 | dev->y = (pkt[4] << 8) | pkt[3]; | |
9d5657db IF |
648 | dev->press = pkt[5] & 0xff; |
649 | dev->touch = pkt[0] & 0x01; | |
650 | ||
651 | return 1; | |
652 | } | |
653 | #endif | |
a14a8401 | 654 | |
14e40206 JJ |
655 | /***************************************************************************** |
656 | * GoTop Part | |
657 | */ | |
658 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP | |
659 | static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
660 | { | |
661 | dev->x = ((pkt[1] & 0x38) << 4) | pkt[2]; | |
662 | dev->y = ((pkt[1] & 0x07) << 7) | pkt[3]; | |
663 | dev->touch = pkt[0] & 0x01; | |
f7370699 JP |
664 | |
665 | return 1; | |
666 | } | |
667 | #endif | |
668 | ||
669 | /***************************************************************************** | |
670 | * JASTEC Part | |
671 | */ | |
672 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC | |
673 | static int jastec_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
674 | { | |
675 | dev->x = ((pkt[0] & 0x3f) << 6) | (pkt[2] & 0x3f); | |
676 | dev->y = ((pkt[1] & 0x3f) << 6) | (pkt[3] & 0x3f); | |
677 | dev->touch = (pkt[0] & 0x40) >> 6; | |
678 | ||
14e40206 JJ |
679 | return 1; |
680 | } | |
681 | #endif | |
682 | ||
2330ed18 DS |
683 | /***************************************************************************** |
684 | * Zytronic Part | |
685 | */ | |
686 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
687 | static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
688 | { | |
689 | switch (pkt[0]) { | |
690 | case 0x3A: /* command response */ | |
691 | dbg("%s: Command response %d", __func__, pkt[1]); | |
692 | break; | |
693 | ||
694 | case 0xC0: /* down */ | |
695 | dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7); | |
696 | dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7); | |
697 | dev->touch = 1; | |
698 | dbg("%s: down %d,%d", __func__, dev->x, dev->y); | |
699 | return 1; | |
700 | ||
701 | case 0x80: /* up */ | |
702 | dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7); | |
703 | dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7); | |
704 | dev->touch = 0; | |
705 | dbg("%s: up %d,%d", __func__, dev->x, dev->y); | |
706 | return 1; | |
707 | ||
708 | default: | |
709 | dbg("%s: Unknown return %d", __func__, pkt[0]); | |
710 | break; | |
711 | } | |
712 | ||
713 | return 0; | |
714 | } | |
715 | #endif | |
14e40206 | 716 | |
5197424c OZ |
717 | /***************************************************************************** |
718 | * NEXIO Part | |
719 | */ | |
720 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO | |
721 | ||
722 | #define NEXIO_TIMEOUT 5000 | |
723 | #define NEXIO_BUFSIZE 1024 | |
724 | #define NEXIO_THRESHOLD 50 | |
725 | ||
726 | struct nexio_priv { | |
727 | struct urb *ack; | |
728 | unsigned char *ack_buf; | |
729 | }; | |
730 | ||
731 | struct nexio_touch_packet { | |
732 | u8 flags; /* 0xe1 = touch, 0xe1 = release */ | |
733 | __be16 data_len; /* total bytes of touch data */ | |
734 | __be16 x_len; /* bytes for X axis */ | |
735 | __be16 y_len; /* bytes for Y axis */ | |
736 | u8 data[]; | |
737 | } __attribute__ ((packed)); | |
738 | ||
739 | static unsigned char nexio_ack_pkt[2] = { 0xaa, 0x02 }; | |
740 | static unsigned char nexio_init_pkt[4] = { 0x82, 0x04, 0x0a, 0x0f }; | |
741 | ||
742 | static void nexio_ack_complete(struct urb *urb) | |
743 | { | |
744 | } | |
745 | ||
a8aef622 ON |
746 | static int nexio_alloc(struct usbtouch_usb *usbtouch) |
747 | { | |
748 | struct nexio_priv *priv; | |
749 | int ret = -ENOMEM; | |
750 | ||
751 | usbtouch->priv = kmalloc(sizeof(struct nexio_priv), GFP_KERNEL); | |
752 | if (!usbtouch->priv) | |
753 | goto out_buf; | |
754 | ||
755 | priv = usbtouch->priv; | |
756 | ||
757 | priv->ack_buf = kmemdup(nexio_ack_pkt, sizeof(nexio_ack_pkt), | |
758 | GFP_KERNEL); | |
759 | if (!priv->ack_buf) | |
760 | goto err_priv; | |
761 | ||
762 | priv->ack = usb_alloc_urb(0, GFP_KERNEL); | |
763 | if (!priv->ack) { | |
764 | dbg("%s - usb_alloc_urb failed: usbtouch->ack", __func__); | |
765 | goto err_ack_buf; | |
766 | } | |
767 | ||
768 | return 0; | |
769 | ||
770 | err_ack_buf: | |
771 | kfree(priv->ack_buf); | |
772 | err_priv: | |
773 | kfree(priv); | |
774 | out_buf: | |
775 | return ret; | |
776 | } | |
777 | ||
5197424c OZ |
778 | static int nexio_init(struct usbtouch_usb *usbtouch) |
779 | { | |
780 | struct usb_device *dev = interface_to_usbdev(usbtouch->interface); | |
781 | struct usb_host_interface *interface = usbtouch->interface->cur_altsetting; | |
a8aef622 | 782 | struct nexio_priv *priv = usbtouch->priv; |
5197424c OZ |
783 | int ret = -ENOMEM; |
784 | int actual_len, i; | |
785 | unsigned char *buf; | |
786 | char *firmware_ver = NULL, *device_name = NULL; | |
787 | int input_ep = 0, output_ep = 0; | |
788 | ||
789 | /* find first input and output endpoint */ | |
790 | for (i = 0; i < interface->desc.bNumEndpoints; i++) { | |
791 | if (!input_ep && | |
792 | usb_endpoint_dir_in(&interface->endpoint[i].desc)) | |
793 | input_ep = interface->endpoint[i].desc.bEndpointAddress; | |
794 | if (!output_ep && | |
795 | usb_endpoint_dir_out(&interface->endpoint[i].desc)) | |
796 | output_ep = interface->endpoint[i].desc.bEndpointAddress; | |
797 | } | |
798 | if (!input_ep || !output_ep) | |
799 | return -ENXIO; | |
800 | ||
a8aef622 | 801 | buf = kmalloc(NEXIO_BUFSIZE, GFP_NOIO); |
5197424c OZ |
802 | if (!buf) |
803 | goto out_buf; | |
804 | ||
805 | /* two empty reads */ | |
806 | for (i = 0; i < 2; i++) { | |
807 | ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), | |
808 | buf, NEXIO_BUFSIZE, &actual_len, | |
809 | NEXIO_TIMEOUT); | |
810 | if (ret < 0) | |
811 | goto out_buf; | |
812 | } | |
813 | ||
814 | /* send init command */ | |
815 | memcpy(buf, nexio_init_pkt, sizeof(nexio_init_pkt)); | |
816 | ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, output_ep), | |
817 | buf, sizeof(nexio_init_pkt), &actual_len, | |
818 | NEXIO_TIMEOUT); | |
819 | if (ret < 0) | |
820 | goto out_buf; | |
821 | ||
822 | /* read replies */ | |
823 | for (i = 0; i < 3; i++) { | |
824 | memset(buf, 0, NEXIO_BUFSIZE); | |
825 | ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), | |
826 | buf, NEXIO_BUFSIZE, &actual_len, | |
827 | NEXIO_TIMEOUT); | |
828 | if (ret < 0 || actual_len < 1 || buf[1] != actual_len) | |
829 | continue; | |
830 | switch (buf[0]) { | |
831 | case 0x83: /* firmware version */ | |
832 | if (!firmware_ver) | |
a8aef622 | 833 | firmware_ver = kstrdup(&buf[2], GFP_NOIO); |
5197424c OZ |
834 | break; |
835 | case 0x84: /* device name */ | |
836 | if (!device_name) | |
a8aef622 | 837 | device_name = kstrdup(&buf[2], GFP_NOIO); |
5197424c OZ |
838 | break; |
839 | } | |
840 | } | |
841 | ||
842 | printk(KERN_INFO "Nexio device: %s, firmware version: %s\n", | |
843 | device_name, firmware_ver); | |
844 | ||
845 | kfree(firmware_ver); | |
846 | kfree(device_name); | |
847 | ||
5197424c OZ |
848 | usb_fill_bulk_urb(priv->ack, dev, usb_sndbulkpipe(dev, output_ep), |
849 | priv->ack_buf, sizeof(nexio_ack_pkt), | |
850 | nexio_ack_complete, usbtouch); | |
851 | ret = 0; | |
5197424c | 852 | |
5197424c OZ |
853 | out_buf: |
854 | kfree(buf); | |
855 | return ret; | |
856 | } | |
857 | ||
858 | static void nexio_exit(struct usbtouch_usb *usbtouch) | |
859 | { | |
860 | struct nexio_priv *priv = usbtouch->priv; | |
861 | ||
862 | usb_kill_urb(priv->ack); | |
863 | usb_free_urb(priv->ack); | |
864 | kfree(priv->ack_buf); | |
865 | kfree(priv); | |
866 | } | |
867 | ||
868 | static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) | |
869 | { | |
5197424c OZ |
870 | struct nexio_touch_packet *packet = (void *) pkt; |
871 | struct nexio_priv *priv = usbtouch->priv; | |
4aa5bbec DT |
872 | unsigned int data_len = be16_to_cpu(packet->data_len); |
873 | unsigned int x_len = be16_to_cpu(packet->x_len); | |
874 | unsigned int y_len = be16_to_cpu(packet->y_len); | |
875 | int x, y, begin_x, begin_y, end_x, end_y, w, h, ret; | |
5197424c OZ |
876 | |
877 | /* got touch data? */ | |
878 | if ((pkt[0] & 0xe0) != 0xe0) | |
879 | return 0; | |
880 | ||
4aa5bbec DT |
881 | if (data_len > 0xff) |
882 | data_len -= 0x100; | |
883 | if (x_len > 0xff) | |
884 | x_len -= 0x80; | |
388bbcad | 885 | |
5197424c OZ |
886 | /* send ACK */ |
887 | ret = usb_submit_urb(priv->ack, GFP_ATOMIC); | |
888 | ||
889 | if (!usbtouch->type->max_xc) { | |
4aa5bbec DT |
890 | usbtouch->type->max_xc = 2 * x_len; |
891 | input_set_abs_params(usbtouch->input, ABS_X, | |
892 | 0, usbtouch->type->max_xc, 0, 0); | |
893 | usbtouch->type->max_yc = 2 * y_len; | |
894 | input_set_abs_params(usbtouch->input, ABS_Y, | |
895 | 0, usbtouch->type->max_yc, 0, 0); | |
5197424c OZ |
896 | } |
897 | /* | |
898 | * The device reports state of IR sensors on X and Y axes. | |
899 | * Each byte represents "darkness" percentage (0-100) of one element. | |
900 | * 17" touchscreen reports only 64 x 52 bytes so the resolution is low. | |
901 | * This also means that there's a limited multi-touch capability but | |
902 | * it's disabled (and untested) here as there's no X driver for that. | |
903 | */ | |
904 | begin_x = end_x = begin_y = end_y = -1; | |
4aa5bbec | 905 | for (x = 0; x < x_len; x++) { |
5197424c OZ |
906 | if (begin_x == -1 && packet->data[x] > NEXIO_THRESHOLD) { |
907 | begin_x = x; | |
908 | continue; | |
909 | } | |
910 | if (end_x == -1 && begin_x != -1 && packet->data[x] < NEXIO_THRESHOLD) { | |
911 | end_x = x - 1; | |
4aa5bbec | 912 | for (y = x_len; y < data_len; y++) { |
5197424c | 913 | if (begin_y == -1 && packet->data[y] > NEXIO_THRESHOLD) { |
4aa5bbec | 914 | begin_y = y - x_len; |
5197424c OZ |
915 | continue; |
916 | } | |
917 | if (end_y == -1 && | |
918 | begin_y != -1 && packet->data[y] < NEXIO_THRESHOLD) { | |
4aa5bbec | 919 | end_y = y - 1 - x_len; |
5197424c OZ |
920 | w = end_x - begin_x; |
921 | h = end_y - begin_y; | |
922 | #if 0 | |
923 | /* multi-touch */ | |
924 | input_report_abs(usbtouch->input, | |
925 | ABS_MT_TOUCH_MAJOR, max(w,h)); | |
926 | input_report_abs(usbtouch->input, | |
927 | ABS_MT_TOUCH_MINOR, min(x,h)); | |
928 | input_report_abs(usbtouch->input, | |
929 | ABS_MT_POSITION_X, 2*begin_x+w); | |
930 | input_report_abs(usbtouch->input, | |
931 | ABS_MT_POSITION_Y, 2*begin_y+h); | |
932 | input_report_abs(usbtouch->input, | |
933 | ABS_MT_ORIENTATION, w > h); | |
934 | input_mt_sync(usbtouch->input); | |
935 | #endif | |
936 | /* single touch */ | |
937 | usbtouch->x = 2 * begin_x + w; | |
938 | usbtouch->y = 2 * begin_y + h; | |
939 | usbtouch->touch = packet->flags & 0x01; | |
940 | begin_y = end_y = -1; | |
941 | return 1; | |
942 | } | |
943 | } | |
944 | begin_x = end_x = -1; | |
945 | } | |
946 | ||
947 | } | |
948 | return 0; | |
949 | } | |
950 | #endif | |
951 | ||
952 | ||
d2cc817a MG |
953 | /***************************************************************************** |
954 | * ELO part | |
955 | */ | |
956 | ||
957 | #ifdef CONFIG_TOUCHSCREEN_USB_ELO | |
958 | ||
959 | static int elo_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
960 | { | |
961 | dev->x = (pkt[3] << 8) | pkt[2]; | |
962 | dev->y = (pkt[5] << 8) | pkt[4]; | |
963 | dev->touch = pkt[6] > 0; | |
964 | dev->press = pkt[6]; | |
965 | ||
966 | return 1; | |
967 | } | |
968 | #endif | |
969 | ||
970 | ||
1d3e2023 DR |
971 | /***************************************************************************** |
972 | * the different device descriptors | |
973 | */ | |
62aa366d DR |
974 | #ifdef MULTI_PACKET |
975 | static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, | |
976 | unsigned char *pkt, int len); | |
977 | #endif | |
978 | ||
1d3e2023 | 979 | static struct usbtouch_device_info usbtouch_dev_info[] = { |
d2cc817a MG |
980 | #ifdef CONFIG_TOUCHSCREEN_USB_ELO |
981 | [DEVTYPE_ELO] = { | |
982 | .min_xc = 0x0, | |
983 | .max_xc = 0x0fff, | |
984 | .min_yc = 0x0, | |
985 | .max_yc = 0x0fff, | |
986 | .max_press = 0xff, | |
987 | .rept_size = 8, | |
988 | .read_data = elo_read_data, | |
989 | }, | |
990 | #endif | |
991 | ||
c6f8d706 | 992 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
1d3e2023 DR |
993 | [DEVTYPE_EGALAX] = { |
994 | .min_xc = 0x0, | |
995 | .max_xc = 0x07ff, | |
996 | .min_yc = 0x0, | |
997 | .max_yc = 0x07ff, | |
998 | .rept_size = 16, | |
5d892665 DR |
999 | .process_pkt = usbtouch_process_multi, |
1000 | .get_pkt_len = egalax_get_pkt_len, | |
1d3e2023 DR |
1001 | .read_data = egalax_read_data, |
1002 | }, | |
1003 | #endif | |
1004 | ||
c6f8d706 | 1005 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
1d3e2023 DR |
1006 | [DEVTYPE_PANJIT] = { |
1007 | .min_xc = 0x0, | |
1008 | .max_xc = 0x0fff, | |
1009 | .min_yc = 0x0, | |
1010 | .max_yc = 0x0fff, | |
1011 | .rept_size = 8, | |
1012 | .read_data = panjit_read_data, | |
1013 | }, | |
1014 | #endif | |
1015 | ||
c6f8d706 | 1016 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
1017 | [DEVTYPE_3M] = { |
1018 | .min_xc = 0x0, | |
1019 | .max_xc = 0x4000, | |
1020 | .min_yc = 0x0, | |
1021 | .max_yc = 0x4000, | |
1022 | .rept_size = 11, | |
1023 | .read_data = mtouch_read_data, | |
1024 | .init = mtouch_init, | |
1025 | }, | |
1026 | #endif | |
1027 | ||
c6f8d706 | 1028 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
1d3e2023 DR |
1029 | [DEVTYPE_ITM] = { |
1030 | .min_xc = 0x0, | |
1031 | .max_xc = 0x0fff, | |
1032 | .min_yc = 0x0, | |
1033 | .max_yc = 0x0fff, | |
1034 | .max_press = 0xff, | |
1035 | .rept_size = 8, | |
1036 | .read_data = itm_read_data, | |
1037 | }, | |
1038 | #endif | |
5d892665 | 1039 | |
c6f8d706 | 1040 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
5d892665 DR |
1041 | [DEVTYPE_ETURBO] = { |
1042 | .min_xc = 0x0, | |
1043 | .max_xc = 0x07ff, | |
1044 | .min_yc = 0x0, | |
1045 | .max_yc = 0x07ff, | |
1046 | .rept_size = 8, | |
5d892665 DR |
1047 | .process_pkt = usbtouch_process_multi, |
1048 | .get_pkt_len = eturbo_get_pkt_len, | |
1049 | .read_data = eturbo_read_data, | |
1050 | }, | |
1051 | #endif | |
1052 | ||
c6f8d706 | 1053 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
5d892665 DR |
1054 | [DEVTYPE_GUNZE] = { |
1055 | .min_xc = 0x0, | |
1056 | .max_xc = 0x0fff, | |
1057 | .min_yc = 0x0, | |
1058 | .max_yc = 0x0fff, | |
1059 | .rept_size = 4, | |
1060 | .read_data = gunze_read_data, | |
1061 | }, | |
1062 | #endif | |
24ced062 | 1063 | |
c6f8d706 | 1064 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
1065 | [DEVTYPE_DMC_TSC10] = { |
1066 | .min_xc = 0x0, | |
1067 | .max_xc = 0x03ff, | |
1068 | .min_yc = 0x0, | |
1069 | .max_yc = 0x03ff, | |
1070 | .rept_size = 5, | |
1071 | .init = dmc_tsc10_init, | |
1072 | .read_data = dmc_tsc10_read_data, | |
1073 | }, | |
1074 | #endif | |
df561fcd OZ |
1075 | |
1076 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH | |
1077 | [DEVTYPE_IRTOUCH] = { | |
1078 | .min_xc = 0x0, | |
1079 | .max_xc = 0x0fff, | |
1080 | .min_yc = 0x0, | |
1081 | .max_yc = 0x0fff, | |
1082 | .rept_size = 8, | |
1083 | .read_data = irtouch_read_data, | |
1084 | }, | |
1085 | #endif | |
a14a8401 OZ |
1086 | |
1087 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK | |
1088 | [DEVTYPE_IDEALTEK] = { | |
1089 | .min_xc = 0x0, | |
1090 | .max_xc = 0x0fff, | |
1091 | .min_yc = 0x0, | |
1092 | .max_yc = 0x0fff, | |
1093 | .rept_size = 8, | |
a14a8401 OZ |
1094 | .process_pkt = usbtouch_process_multi, |
1095 | .get_pkt_len = idealtek_get_pkt_len, | |
1096 | .read_data = idealtek_read_data, | |
1097 | }, | |
1098 | #endif | |
9d5657db IF |
1099 | |
1100 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH | |
1101 | [DEVTYPE_GENERAL_TOUCH] = { | |
1102 | .min_xc = 0x0, | |
eb083ba2 | 1103 | .max_xc = 0x7fff, |
9d5657db | 1104 | .min_yc = 0x0, |
eb083ba2 | 1105 | .max_yc = 0x7fff, |
9d5657db IF |
1106 | .rept_size = 7, |
1107 | .read_data = general_touch_read_data, | |
14e40206 | 1108 | }, |
9d5657db IF |
1109 | #endif |
1110 | ||
14e40206 JJ |
1111 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP |
1112 | [DEVTYPE_GOTOP] = { | |
1113 | .min_xc = 0x0, | |
1114 | .max_xc = 0x03ff, | |
1115 | .min_yc = 0x0, | |
1116 | .max_yc = 0x03ff, | |
1117 | .rept_size = 4, | |
1118 | .read_data = gotop_read_data, | |
1119 | }, | |
1120 | #endif | |
f7370699 JP |
1121 | |
1122 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC | |
1123 | [DEVTYPE_JASTEC] = { | |
1124 | .min_xc = 0x0, | |
1125 | .max_xc = 0x0fff, | |
1126 | .min_yc = 0x0, | |
1127 | .max_yc = 0x0fff, | |
1128 | .rept_size = 4, | |
1129 | .read_data = jastec_read_data, | |
1130 | }, | |
1131 | #endif | |
9e3b2583 FE |
1132 | |
1133 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I | |
1134 | [DEVTYPE_E2I] = { | |
1135 | .min_xc = 0x0, | |
1136 | .max_xc = 0x7fff, | |
1137 | .min_yc = 0x0, | |
1138 | .max_yc = 0x7fff, | |
1139 | .rept_size = 6, | |
1140 | .init = e2i_init, | |
1141 | .read_data = e2i_read_data, | |
1142 | }, | |
1143 | #endif | |
2330ed18 DS |
1144 | |
1145 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
1146 | [DEVTYPE_ZYTRONIC] = { | |
1147 | .min_xc = 0x0, | |
1148 | .max_xc = 0x03ff, | |
1149 | .min_yc = 0x0, | |
1150 | .max_yc = 0x03ff, | |
1151 | .rept_size = 5, | |
1152 | .read_data = zytronic_read_data, | |
1153 | .irq_always = true, | |
1154 | }, | |
1155 | #endif | |
dbe1420b | 1156 | |
38771bb4 PŠ |
1157 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
1158 | [DEVTYPE_TC45USB] = { | |
dbe1420b PŠ |
1159 | .min_xc = 0x0, |
1160 | .max_xc = 0x0fff, | |
1161 | .min_yc = 0x0, | |
1162 | .max_yc = 0x0fff, | |
1163 | .rept_size = 5, | |
38771bb4 | 1164 | .read_data = tc45usb_read_data, |
dbe1420b PŠ |
1165 | }, |
1166 | #endif | |
5197424c OZ |
1167 | |
1168 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO | |
1169 | [DEVTYPE_NEXIO] = { | |
388bbcad | 1170 | .rept_size = 1024, |
5197424c OZ |
1171 | .irq_always = true, |
1172 | .read_data = nexio_read_data, | |
a8aef622 | 1173 | .alloc = nexio_alloc, |
5197424c OZ |
1174 | .init = nexio_init, |
1175 | .exit = nexio_exit, | |
1176 | }, | |
1177 | #endif | |
1d3e2023 DR |
1178 | }; |
1179 | ||
1180 | ||
1181 | /***************************************************************************** | |
1182 | * Generic Part | |
1183 | */ | |
1184 | static void usbtouch_process_pkt(struct usbtouch_usb *usbtouch, | |
7d12e780 | 1185 | unsigned char *pkt, int len) |
1d3e2023 | 1186 | { |
1d3e2023 DR |
1187 | struct usbtouch_device_info *type = usbtouch->type; |
1188 | ||
c9d8c2b3 | 1189 | if (!type->read_data(usbtouch, pkt)) |
1d3e2023 DR |
1190 | return; |
1191 | ||
c9d8c2b3 | 1192 | input_report_key(usbtouch->input, BTN_TOUCH, usbtouch->touch); |
1d3e2023 DR |
1193 | |
1194 | if (swap_xy) { | |
c9d8c2b3 DR |
1195 | input_report_abs(usbtouch->input, ABS_X, usbtouch->y); |
1196 | input_report_abs(usbtouch->input, ABS_Y, usbtouch->x); | |
1d3e2023 | 1197 | } else { |
c9d8c2b3 DR |
1198 | input_report_abs(usbtouch->input, ABS_X, usbtouch->x); |
1199 | input_report_abs(usbtouch->input, ABS_Y, usbtouch->y); | |
1d3e2023 DR |
1200 | } |
1201 | if (type->max_press) | |
c9d8c2b3 | 1202 | input_report_abs(usbtouch->input, ABS_PRESSURE, usbtouch->press); |
1d3e2023 DR |
1203 | input_sync(usbtouch->input); |
1204 | } | |
1205 | ||
1206 | ||
5d892665 DR |
1207 | #ifdef MULTI_PACKET |
1208 | static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, | |
5d892665 DR |
1209 | unsigned char *pkt, int len) |
1210 | { | |
1211 | unsigned char *buffer; | |
1212 | int pkt_len, pos, buf_len, tmp; | |
1213 | ||
1214 | /* process buffer */ | |
1215 | if (unlikely(usbtouch->buf_len)) { | |
1216 | /* try to get size */ | |
1217 | pkt_len = usbtouch->type->get_pkt_len( | |
1218 | usbtouch->buffer, usbtouch->buf_len); | |
1219 | ||
1220 | /* drop? */ | |
1221 | if (unlikely(!pkt_len)) | |
1222 | goto out_flush_buf; | |
1223 | ||
1224 | /* need to append -pkt_len bytes before able to get size */ | |
1225 | if (unlikely(pkt_len < 0)) { | |
1226 | int append = -pkt_len; | |
1227 | if (unlikely(append > len)) | |
1228 | append = len; | |
1229 | if (usbtouch->buf_len + append >= usbtouch->type->rept_size) | |
1230 | goto out_flush_buf; | |
1231 | memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, append); | |
1232 | usbtouch->buf_len += append; | |
1233 | ||
1234 | pkt_len = usbtouch->type->get_pkt_len( | |
1235 | usbtouch->buffer, usbtouch->buf_len); | |
1236 | if (pkt_len < 0) | |
1237 | return; | |
1238 | } | |
1239 | ||
1240 | /* append */ | |
1241 | tmp = pkt_len - usbtouch->buf_len; | |
1242 | if (usbtouch->buf_len + tmp >= usbtouch->type->rept_size) | |
1243 | goto out_flush_buf; | |
1244 | memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, tmp); | |
7d12e780 | 1245 | usbtouch_process_pkt(usbtouch, usbtouch->buffer, pkt_len); |
5d892665 DR |
1246 | |
1247 | buffer = pkt + tmp; | |
1248 | buf_len = len - tmp; | |
1249 | } else { | |
1250 | buffer = pkt; | |
1251 | buf_len = len; | |
1252 | } | |
1253 | ||
1254 | /* loop over the received packet, process */ | |
1255 | pos = 0; | |
1256 | while (pos < buf_len) { | |
1257 | /* get packet len */ | |
62aa366d DR |
1258 | pkt_len = usbtouch->type->get_pkt_len(buffer + pos, |
1259 | buf_len - pos); | |
5d892665 | 1260 | |
62aa366d DR |
1261 | /* unknown packet: skip one byte */ |
1262 | if (unlikely(!pkt_len)) { | |
1263 | pos++; | |
1264 | continue; | |
1265 | } | |
5d892665 DR |
1266 | |
1267 | /* full packet: process */ | |
1268 | if (likely((pkt_len > 0) && (pkt_len <= buf_len - pos))) { | |
7d12e780 | 1269 | usbtouch_process_pkt(usbtouch, buffer + pos, pkt_len); |
5d892665 DR |
1270 | } else { |
1271 | /* incomplete packet: save in buffer */ | |
1272 | memcpy(usbtouch->buffer, buffer + pos, buf_len - pos); | |
1273 | usbtouch->buf_len = buf_len - pos; | |
1274 | return; | |
1275 | } | |
1276 | pos += pkt_len; | |
1277 | } | |
1278 | ||
1279 | out_flush_buf: | |
1280 | usbtouch->buf_len = 0; | |
1281 | return; | |
1282 | } | |
1283 | #endif | |
1284 | ||
1285 | ||
7d12e780 | 1286 | static void usbtouch_irq(struct urb *urb) |
1d3e2023 DR |
1287 | { |
1288 | struct usbtouch_usb *usbtouch = urb->context; | |
1289 | int retval; | |
1290 | ||
1291 | switch (urb->status) { | |
1292 | case 0: | |
1293 | /* success */ | |
1294 | break; | |
38e2bfc9 | 1295 | case -ETIME: |
1d3e2023 DR |
1296 | /* this urb is timing out */ |
1297 | dbg("%s - urb timed out - was the device unplugged?", | |
ea3e6c59 | 1298 | __func__); |
1d3e2023 DR |
1299 | return; |
1300 | case -ECONNRESET: | |
1301 | case -ENOENT: | |
1302 | case -ESHUTDOWN: | |
5197424c | 1303 | case -EPIPE: |
1d3e2023 DR |
1304 | /* this urb is terminated, clean up */ |
1305 | dbg("%s - urb shutting down with status: %d", | |
ea3e6c59 | 1306 | __func__, urb->status); |
1d3e2023 DR |
1307 | return; |
1308 | default: | |
1309 | dbg("%s - nonzero urb status received: %d", | |
ea3e6c59 | 1310 | __func__, urb->status); |
1d3e2023 DR |
1311 | goto exit; |
1312 | } | |
1313 | ||
7d12e780 | 1314 | usbtouch->type->process_pkt(usbtouch, usbtouch->data, urb->actual_length); |
1d3e2023 DR |
1315 | |
1316 | exit: | |
5d9efc59 | 1317 | usb_mark_last_busy(interface_to_usbdev(usbtouch->interface)); |
1d3e2023 DR |
1318 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
1319 | if (retval) | |
1320 | err("%s - usb_submit_urb failed with result: %d", | |
ea3e6c59 | 1321 | __func__, retval); |
1d3e2023 DR |
1322 | } |
1323 | ||
1324 | static int usbtouch_open(struct input_dev *input) | |
1325 | { | |
7791bdae | 1326 | struct usbtouch_usb *usbtouch = input_get_drvdata(input); |
5d9efc59 | 1327 | int r; |
1d3e2023 | 1328 | |
fea4d14b | 1329 | usbtouch->irq->dev = interface_to_usbdev(usbtouch->interface); |
1d3e2023 | 1330 | |
5d9efc59 ON |
1331 | r = usb_autopm_get_interface(usbtouch->interface) ? -EIO : 0; |
1332 | if (r < 0) | |
1333 | goto out; | |
1334 | ||
2330ed18 | 1335 | if (!usbtouch->type->irq_always) { |
5d9efc59 ON |
1336 | if (usb_submit_urb(usbtouch->irq, GFP_KERNEL)) { |
1337 | r = -EIO; | |
1338 | goto out_put; | |
1339 | } | |
2330ed18 | 1340 | } |
1d3e2023 | 1341 | |
5d9efc59 ON |
1342 | usbtouch->interface->needs_remote_wakeup = 1; |
1343 | out_put: | |
1344 | usb_autopm_put_interface(usbtouch->interface); | |
1345 | out: | |
1346 | return r; | |
1d3e2023 DR |
1347 | } |
1348 | ||
1349 | static void usbtouch_close(struct input_dev *input) | |
1350 | { | |
7791bdae | 1351 | struct usbtouch_usb *usbtouch = input_get_drvdata(input); |
5d9efc59 | 1352 | int r; |
1d3e2023 | 1353 | |
2330ed18 DS |
1354 | if (!usbtouch->type->irq_always) |
1355 | usb_kill_urb(usbtouch->irq); | |
5d9efc59 ON |
1356 | r = usb_autopm_get_interface(usbtouch->interface); |
1357 | usbtouch->interface->needs_remote_wakeup = 0; | |
1358 | if (!r) | |
1359 | usb_autopm_put_interface(usbtouch->interface); | |
1d3e2023 DR |
1360 | } |
1361 | ||
ed4299e1 ON |
1362 | static int usbtouch_suspend |
1363 | (struct usb_interface *intf, pm_message_t message) | |
1364 | { | |
1365 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1366 | ||
1367 | usb_kill_urb(usbtouch->irq); | |
1368 | ||
1369 | return 0; | |
1370 | } | |
1371 | ||
1372 | static int usbtouch_resume(struct usb_interface *intf) | |
1373 | { | |
1374 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1375 | struct input_dev *input = usbtouch->input; | |
1376 | int result = 0; | |
1377 | ||
1378 | mutex_lock(&input->mutex); | |
1379 | if (input->users || usbtouch->type->irq_always) | |
1380 | result = usb_submit_urb(usbtouch->irq, GFP_NOIO); | |
1381 | mutex_unlock(&input->mutex); | |
1382 | ||
1383 | return result; | |
1384 | } | |
1d3e2023 | 1385 | |
a8aef622 ON |
1386 | static int usbtouch_reset_resume(struct usb_interface *intf) |
1387 | { | |
1388 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1389 | struct input_dev *input = usbtouch->input; | |
1390 | int err = 0; | |
1391 | ||
1392 | /* reinit the device */ | |
1393 | if (usbtouch->type->init) { | |
1394 | err = usbtouch->type->init(usbtouch); | |
1395 | if (err) { | |
1396 | dbg("%s - type->init() failed, err: %d", | |
1397 | __func__, err); | |
1398 | return err; | |
1399 | } | |
1400 | } | |
1401 | ||
1402 | /* restart IO if needed */ | |
1403 | mutex_lock(&input->mutex); | |
1404 | if (input->users) | |
1405 | err = usb_submit_urb(usbtouch->irq, GFP_NOIO); | |
1406 | mutex_unlock(&input->mutex); | |
1407 | ||
1408 | return err; | |
1409 | } | |
1410 | ||
1d3e2023 DR |
1411 | static void usbtouch_free_buffers(struct usb_device *udev, |
1412 | struct usbtouch_usb *usbtouch) | |
1413 | { | |
997ea58e DM |
1414 | usb_free_coherent(udev, usbtouch->type->rept_size, |
1415 | usbtouch->data, usbtouch->data_dma); | |
1d3e2023 DR |
1416 | kfree(usbtouch->buffer); |
1417 | } | |
1418 | ||
f4a5e359 OZ |
1419 | static struct usb_endpoint_descriptor * |
1420 | usbtouch_get_input_endpoint(struct usb_host_interface *interface) | |
1421 | { | |
1422 | int i; | |
1423 | ||
1424 | for (i = 0; i < interface->desc.bNumEndpoints; i++) | |
1425 | if (usb_endpoint_dir_in(&interface->endpoint[i].desc)) | |
1426 | return &interface->endpoint[i].desc; | |
1427 | ||
1428 | return NULL; | |
1429 | } | |
1d3e2023 DR |
1430 | |
1431 | static int usbtouch_probe(struct usb_interface *intf, | |
1432 | const struct usb_device_id *id) | |
1433 | { | |
1434 | struct usbtouch_usb *usbtouch; | |
1435 | struct input_dev *input_dev; | |
1d3e2023 DR |
1436 | struct usb_endpoint_descriptor *endpoint; |
1437 | struct usb_device *udev = interface_to_usbdev(intf); | |
1438 | struct usbtouch_device_info *type; | |
5d892665 | 1439 | int err = -ENOMEM; |
ec42d448 DR |
1440 | |
1441 | /* some devices are ignored */ | |
1442 | if (id->driver_info == DEVTYPE_IGNORE) | |
1443 | return -ENODEV; | |
1d3e2023 | 1444 | |
f4a5e359 OZ |
1445 | endpoint = usbtouch_get_input_endpoint(intf->cur_altsetting); |
1446 | if (!endpoint) | |
1447 | return -ENXIO; | |
1d3e2023 DR |
1448 | |
1449 | usbtouch = kzalloc(sizeof(struct usbtouch_usb), GFP_KERNEL); | |
1450 | input_dev = input_allocate_device(); | |
1451 | if (!usbtouch || !input_dev) | |
1452 | goto out_free; | |
1453 | ||
1454 | type = &usbtouch_dev_info[id->driver_info]; | |
1455 | usbtouch->type = type; | |
1456 | if (!type->process_pkt) | |
1457 | type->process_pkt = usbtouch_process_pkt; | |
1458 | ||
997ea58e DM |
1459 | usbtouch->data = usb_alloc_coherent(udev, type->rept_size, |
1460 | GFP_KERNEL, &usbtouch->data_dma); | |
1d3e2023 DR |
1461 | if (!usbtouch->data) |
1462 | goto out_free; | |
1463 | ||
62aa366d | 1464 | if (type->get_pkt_len) { |
1d3e2023 DR |
1465 | usbtouch->buffer = kmalloc(type->rept_size, GFP_KERNEL); |
1466 | if (!usbtouch->buffer) | |
1467 | goto out_free_buffers; | |
1468 | } | |
1469 | ||
1470 | usbtouch->irq = usb_alloc_urb(0, GFP_KERNEL); | |
1471 | if (!usbtouch->irq) { | |
ea3e6c59 | 1472 | dbg("%s - usb_alloc_urb failed: usbtouch->irq", __func__); |
1d3e2023 DR |
1473 | goto out_free_buffers; |
1474 | } | |
1475 | ||
fea4d14b | 1476 | usbtouch->interface = intf; |
1d3e2023 DR |
1477 | usbtouch->input = input_dev; |
1478 | ||
1479 | if (udev->manufacturer) | |
1480 | strlcpy(usbtouch->name, udev->manufacturer, sizeof(usbtouch->name)); | |
1481 | ||
1482 | if (udev->product) { | |
1483 | if (udev->manufacturer) | |
1484 | strlcat(usbtouch->name, " ", sizeof(usbtouch->name)); | |
1485 | strlcat(usbtouch->name, udev->product, sizeof(usbtouch->name)); | |
1486 | } | |
1487 | ||
1488 | if (!strlen(usbtouch->name)) | |
1489 | snprintf(usbtouch->name, sizeof(usbtouch->name), | |
1490 | "USB Touchscreen %04x:%04x", | |
1491 | le16_to_cpu(udev->descriptor.idVendor), | |
1492 | le16_to_cpu(udev->descriptor.idProduct)); | |
1493 | ||
1494 | usb_make_path(udev, usbtouch->phys, sizeof(usbtouch->phys)); | |
7b6dff98 | 1495 | strlcat(usbtouch->phys, "/input0", sizeof(usbtouch->phys)); |
1d3e2023 DR |
1496 | |
1497 | input_dev->name = usbtouch->name; | |
1498 | input_dev->phys = usbtouch->phys; | |
1499 | usb_to_input_id(udev, &input_dev->id); | |
c0f82d57 | 1500 | input_dev->dev.parent = &intf->dev; |
7791bdae DT |
1501 | |
1502 | input_set_drvdata(input_dev, usbtouch); | |
1503 | ||
1d3e2023 DR |
1504 | input_dev->open = usbtouch_open; |
1505 | input_dev->close = usbtouch_close; | |
1506 | ||
7b19ada2 JS |
1507 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
1508 | input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); | |
1d3e2023 DR |
1509 | input_set_abs_params(input_dev, ABS_X, type->min_xc, type->max_xc, 0, 0); |
1510 | input_set_abs_params(input_dev, ABS_Y, type->min_yc, type->max_yc, 0, 0); | |
1511 | if (type->max_press) | |
1512 | input_set_abs_params(input_dev, ABS_PRESSURE, type->min_press, | |
1513 | type->max_press, 0, 0); | |
1514 | ||
5197424c OZ |
1515 | if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT) |
1516 | usb_fill_int_urb(usbtouch->irq, udev, | |
fea4d14b | 1517 | usb_rcvintpipe(udev, endpoint->bEndpointAddress), |
1d3e2023 DR |
1518 | usbtouch->data, type->rept_size, |
1519 | usbtouch_irq, usbtouch, endpoint->bInterval); | |
5197424c OZ |
1520 | else |
1521 | usb_fill_bulk_urb(usbtouch->irq, udev, | |
1522 | usb_rcvbulkpipe(udev, endpoint->bEndpointAddress), | |
1523 | usbtouch->data, type->rept_size, | |
1524 | usbtouch_irq, usbtouch); | |
1d3e2023 | 1525 | |
fea4d14b | 1526 | usbtouch->irq->dev = udev; |
1d3e2023 DR |
1527 | usbtouch->irq->transfer_dma = usbtouch->data_dma; |
1528 | usbtouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1529 | ||
a8aef622 ON |
1530 | /* device specific allocations */ |
1531 | if (type->alloc) { | |
1532 | err = type->alloc(usbtouch); | |
1533 | if (err) { | |
1534 | dbg("%s - type->alloc() failed, err: %d", __func__, err); | |
1535 | goto out_free_urb; | |
1536 | } | |
1537 | } | |
1538 | ||
1539 | /* device specific initialisation*/ | |
1d3e2023 DR |
1540 | if (type->init) { |
1541 | err = type->init(usbtouch); | |
1542 | if (err) { | |
ea3e6c59 | 1543 | dbg("%s - type->init() failed, err: %d", __func__, err); |
a8aef622 | 1544 | goto out_do_exit; |
1d3e2023 DR |
1545 | } |
1546 | } | |
1547 | ||
1548 | err = input_register_device(usbtouch->input); | |
1549 | if (err) { | |
ea3e6c59 | 1550 | dbg("%s - input_register_device failed, err: %d", __func__, err); |
5197424c | 1551 | goto out_do_exit; |
1d3e2023 DR |
1552 | } |
1553 | ||
1554 | usb_set_intfdata(intf, usbtouch); | |
1555 | ||
1e87a430 | 1556 | if (usbtouch->type->irq_always) { |
5d9efc59 ON |
1557 | /* this can't fail */ |
1558 | usb_autopm_get_interface(intf); | |
1e87a430 OZ |
1559 | err = usb_submit_urb(usbtouch->irq, GFP_KERNEL); |
1560 | if (err) { | |
5d9efc59 | 1561 | usb_autopm_put_interface(intf); |
1e87a430 OZ |
1562 | err("%s - usb_submit_urb failed with result: %d", |
1563 | __func__, err); | |
1564 | goto out_unregister_input; | |
1565 | } | |
1566 | } | |
2330ed18 | 1567 | |
1d3e2023 DR |
1568 | return 0; |
1569 | ||
1e87a430 OZ |
1570 | out_unregister_input: |
1571 | input_unregister_device(input_dev); | |
1572 | input_dev = NULL; | |
5197424c OZ |
1573 | out_do_exit: |
1574 | if (type->exit) | |
1575 | type->exit(usbtouch); | |
1e87a430 OZ |
1576 | out_free_urb: |
1577 | usb_free_urb(usbtouch->irq); | |
1d3e2023 DR |
1578 | out_free_buffers: |
1579 | usbtouch_free_buffers(udev, usbtouch); | |
1580 | out_free: | |
1581 | input_free_device(input_dev); | |
1582 | kfree(usbtouch); | |
5d892665 | 1583 | return err; |
1d3e2023 DR |
1584 | } |
1585 | ||
1586 | static void usbtouch_disconnect(struct usb_interface *intf) | |
1587 | { | |
1588 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1589 | ||
ea3e6c59 | 1590 | dbg("%s - called", __func__); |
1d3e2023 DR |
1591 | |
1592 | if (!usbtouch) | |
1593 | return; | |
1594 | ||
ea3e6c59 | 1595 | dbg("%s - usbtouch is initialized, cleaning up", __func__); |
1d3e2023 | 1596 | usb_set_intfdata(intf, NULL); |
722232bc | 1597 | /* this will stop IO via close */ |
1d3e2023 DR |
1598 | input_unregister_device(usbtouch->input); |
1599 | usb_free_urb(usbtouch->irq); | |
5197424c OZ |
1600 | if (usbtouch->type->exit) |
1601 | usbtouch->type->exit(usbtouch); | |
1d3e2023 DR |
1602 | usbtouch_free_buffers(interface_to_usbdev(intf), usbtouch); |
1603 | kfree(usbtouch); | |
1604 | } | |
1605 | ||
1606 | MODULE_DEVICE_TABLE(usb, usbtouch_devices); | |
1607 | ||
1608 | static struct usb_driver usbtouch_driver = { | |
1609 | .name = "usbtouchscreen", | |
1610 | .probe = usbtouch_probe, | |
1611 | .disconnect = usbtouch_disconnect, | |
ed4299e1 ON |
1612 | .suspend = usbtouch_suspend, |
1613 | .resume = usbtouch_resume, | |
a8aef622 | 1614 | .reset_resume = usbtouch_reset_resume, |
1d3e2023 | 1615 | .id_table = usbtouch_devices, |
5d9efc59 | 1616 | .supports_autosuspend = 1, |
1d3e2023 DR |
1617 | }; |
1618 | ||
08642e7c | 1619 | module_usb_driver(usbtouch_driver); |
1d3e2023 DR |
1620 | |
1621 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1622 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1623 | MODULE_LICENSE("GPL"); | |
1624 | ||
1625 | MODULE_ALIAS("touchkitusb"); | |
1626 | MODULE_ALIAS("itmtouch"); | |
1627 | MODULE_ALIAS("mtouchusb"); |