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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 |
aa87512f | 20 | * - EasyTouch USB Dual/Multi touch controller from Data Modul |
1d3e2023 | 21 | * |
14e40206 | 22 | * Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch> |
1d3e2023 DR |
23 | * Copyright (C) by Todd E. Johnson (mtouchusb.c) |
24 | * | |
25 | * This program is free software; you can redistribute it and/or | |
26 | * modify it under the terms of the GNU General Public License as | |
27 | * published by the Free Software Foundation; either version 2 of the | |
28 | * License, or (at your option) any later version. | |
29 | * | |
30 | * This program is distributed in the hope that it will be useful, but | |
31 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
32 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
33 | * General Public License for more details. | |
34 | * | |
35 | * You should have received a copy of the GNU General Public License | |
36 | * along with this program; if not, write to the Free Software | |
37 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
38 | * | |
39 | * Driver is based on touchkitusb.c | |
40 | * - ITM parts are from itmtouch.c | |
41 | * - 3M parts are from mtouchusb.c | |
42 | * - PanJit parts are from an unmerged driver by Lanslott Gish | |
24ced062 HS |
43 | * - DMC TSC 10/25 are from Holger Schurig, with ideas from an unmerged |
44 | * driver from Marius Vollmer | |
1d3e2023 DR |
45 | * |
46 | *****************************************************************************/ | |
47 | ||
48 | //#define DEBUG | |
49 | ||
1d3e2023 DR |
50 | #include <linux/kernel.h> |
51 | #include <linux/slab.h> | |
52 | #include <linux/input.h> | |
53 | #include <linux/module.h> | |
1d3e2023 | 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; | |
4ef38351 | 108 | int data_size; |
1d3e2023 DR |
109 | unsigned char *buffer; |
110 | int buf_len; | |
111 | struct urb *irq; | |
fea4d14b | 112 | struct usb_interface *interface; |
1d3e2023 DR |
113 | struct input_dev *input; |
114 | struct usbtouch_device_info *type; | |
115 | char name[128]; | |
116 | char phys[64]; | |
5197424c | 117 | void *priv; |
c9d8c2b3 DR |
118 | |
119 | int x, y; | |
120 | int touch, press; | |
1d3e2023 DR |
121 | }; |
122 | ||
5d892665 | 123 | |
1d3e2023 DR |
124 | /* device types */ |
125 | enum { | |
ec42d448 | 126 | DEVTYPE_IGNORE = -1, |
1d3e2023 DR |
127 | DEVTYPE_EGALAX, |
128 | DEVTYPE_PANJIT, | |
129 | DEVTYPE_3M, | |
130 | DEVTYPE_ITM, | |
5d892665 DR |
131 | DEVTYPE_ETURBO, |
132 | DEVTYPE_GUNZE, | |
24ced062 | 133 | DEVTYPE_DMC_TSC10, |
df561fcd | 134 | DEVTYPE_IRTOUCH, |
dbea4032 | 135 | DEVTYPE_IRTOUCH_HIRES, |
a14a8401 | 136 | DEVTYPE_IDEALTEK, |
9d5657db | 137 | DEVTYPE_GENERAL_TOUCH, |
14e40206 | 138 | DEVTYPE_GOTOP, |
f7370699 | 139 | DEVTYPE_JASTEC, |
9e3b2583 | 140 | DEVTYPE_E2I, |
2330ed18 | 141 | DEVTYPE_ZYTRONIC, |
38771bb4 | 142 | DEVTYPE_TC45USB, |
5197424c | 143 | DEVTYPE_NEXIO, |
d2cc817a | 144 | DEVTYPE_ELO, |
aa87512f | 145 | DEVTYPE_ETOUCH, |
1d3e2023 DR |
146 | }; |
147 | ||
ec42d448 DR |
148 | #define USB_DEVICE_HID_CLASS(vend, prod) \ |
149 | .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS \ | |
150 | | USB_DEVICE_ID_MATCH_DEVICE, \ | |
151 | .idVendor = (vend), \ | |
152 | .idProduct = (prod), \ | |
ae2aa3a5 | 153 | .bInterfaceClass = USB_INTERFACE_CLASS_HID |
ec42d448 | 154 | |
9cb3ce52 | 155 | static const struct usb_device_id usbtouch_devices[] = { |
c6f8d706 | 156 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
ec42d448 DR |
157 | /* ignore the HID capable devices, handled by usbhid */ |
158 | {USB_DEVICE_HID_CLASS(0x0eef, 0x0001), .driver_info = DEVTYPE_IGNORE}, | |
159 | {USB_DEVICE_HID_CLASS(0x0eef, 0x0002), .driver_info = DEVTYPE_IGNORE}, | |
160 | ||
161 | /* normal device IDs */ | |
1d3e2023 | 162 | {USB_DEVICE(0x3823, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
5d892665 | 163 | {USB_DEVICE(0x3823, 0x0002), .driver_info = DEVTYPE_EGALAX}, |
1d3e2023 DR |
164 | {USB_DEVICE(0x0123, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
165 | {USB_DEVICE(0x0eef, 0x0001), .driver_info = DEVTYPE_EGALAX}, | |
166 | {USB_DEVICE(0x0eef, 0x0002), .driver_info = DEVTYPE_EGALAX}, | |
5d892665 DR |
167 | {USB_DEVICE(0x1234, 0x0001), .driver_info = DEVTYPE_EGALAX}, |
168 | {USB_DEVICE(0x1234, 0x0002), .driver_info = DEVTYPE_EGALAX}, | |
1d3e2023 DR |
169 | #endif |
170 | ||
c6f8d706 | 171 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
1d3e2023 DR |
172 | {USB_DEVICE(0x134c, 0x0001), .driver_info = DEVTYPE_PANJIT}, |
173 | {USB_DEVICE(0x134c, 0x0002), .driver_info = DEVTYPE_PANJIT}, | |
174 | {USB_DEVICE(0x134c, 0x0003), .driver_info = DEVTYPE_PANJIT}, | |
175 | {USB_DEVICE(0x134c, 0x0004), .driver_info = DEVTYPE_PANJIT}, | |
176 | #endif | |
177 | ||
c6f8d706 | 178 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
179 | {USB_DEVICE(0x0596, 0x0001), .driver_info = DEVTYPE_3M}, |
180 | #endif | |
181 | ||
c6f8d706 | 182 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
1d3e2023 | 183 | {USB_DEVICE(0x0403, 0xf9e9), .driver_info = DEVTYPE_ITM}, |
09910509 | 184 | {USB_DEVICE(0x16e3, 0xf9e9), .driver_info = DEVTYPE_ITM}, |
1d3e2023 DR |
185 | #endif |
186 | ||
c6f8d706 | 187 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
5d892665 DR |
188 | {USB_DEVICE(0x1234, 0x5678), .driver_info = DEVTYPE_ETURBO}, |
189 | #endif | |
190 | ||
c6f8d706 | 191 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
5d892665 DR |
192 | {USB_DEVICE(0x0637, 0x0001), .driver_info = DEVTYPE_GUNZE}, |
193 | #endif | |
194 | ||
c6f8d706 | 195 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
196 | {USB_DEVICE(0x0afa, 0x03e8), .driver_info = DEVTYPE_DMC_TSC10}, |
197 | #endif | |
198 | ||
df561fcd OZ |
199 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH |
200 | {USB_DEVICE(0x595a, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, | |
201 | {USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH}, | |
dbea4032 | 202 | {USB_DEVICE(0x6615, 0x0012), .driver_info = DEVTYPE_IRTOUCH_HIRES}, |
df561fcd OZ |
203 | #endif |
204 | ||
a14a8401 OZ |
205 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK |
206 | {USB_DEVICE(0x1391, 0x1000), .driver_info = DEVTYPE_IDEALTEK}, | |
207 | #endif | |
208 | ||
9d5657db IF |
209 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH |
210 | {USB_DEVICE(0x0dfc, 0x0001), .driver_info = DEVTYPE_GENERAL_TOUCH}, | |
211 | #endif | |
212 | ||
14e40206 JJ |
213 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP |
214 | {USB_DEVICE(0x08f2, 0x007f), .driver_info = DEVTYPE_GOTOP}, | |
215 | {USB_DEVICE(0x08f2, 0x00ce), .driver_info = DEVTYPE_GOTOP}, | |
216 | {USB_DEVICE(0x08f2, 0x00f4), .driver_info = DEVTYPE_GOTOP}, | |
217 | #endif | |
218 | ||
f7370699 JP |
219 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC |
220 | {USB_DEVICE(0x0f92, 0x0001), .driver_info = DEVTYPE_JASTEC}, | |
221 | #endif | |
222 | ||
9e3b2583 FE |
223 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I |
224 | {USB_DEVICE(0x1ac7, 0x0001), .driver_info = DEVTYPE_E2I}, | |
225 | #endif | |
2330ed18 DS |
226 | |
227 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
228 | {USB_DEVICE(0x14c8, 0x0003), .driver_info = DEVTYPE_ZYTRONIC}, | |
229 | #endif | |
230 | ||
38771bb4 PŠ |
231 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
232 | /* TC5UH */ | |
233 | {USB_DEVICE(0x0664, 0x0309), .driver_info = DEVTYPE_TC45USB}, | |
234 | /* TC4UM */ | |
235 | {USB_DEVICE(0x0664, 0x0306), .driver_info = DEVTYPE_TC45USB}, | |
dbe1420b PŠ |
236 | #endif |
237 | ||
5197424c OZ |
238 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO |
239 | /* data interface only */ | |
240 | {USB_DEVICE_AND_INTERFACE_INFO(0x10f0, 0x2002, 0x0a, 0x00, 0x00), | |
241 | .driver_info = DEVTYPE_NEXIO}, | |
242 | {USB_DEVICE_AND_INTERFACE_INFO(0x1870, 0x0001, 0x0a, 0x00, 0x00), | |
243 | .driver_info = DEVTYPE_NEXIO}, | |
244 | #endif | |
245 | ||
d2cc817a MG |
246 | #ifdef CONFIG_TOUCHSCREEN_USB_ELO |
247 | {USB_DEVICE(0x04e7, 0x0020), .driver_info = DEVTYPE_ELO}, | |
248 | #endif | |
249 | ||
aa87512f AV |
250 | #ifdef CONFIG_TOUCHSCREEN_USB_EASYTOUCH |
251 | {USB_DEVICE(0x7374, 0x0001), .driver_info = DEVTYPE_ETOUCH}, | |
252 | #endif | |
253 | ||
1d3e2023 DR |
254 | {} |
255 | }; | |
256 | ||
257 | ||
9e3b2583 FE |
258 | /***************************************************************************** |
259 | * e2i Part | |
260 | */ | |
261 | ||
262 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I | |
263 | static int e2i_init(struct usbtouch_usb *usbtouch) | |
264 | { | |
265 | int ret; | |
fea4d14b | 266 | struct usb_device *udev = interface_to_usbdev(usbtouch->interface); |
9e3b2583 | 267 | |
fea4d14b | 268 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
9e3b2583 FE |
269 | 0x01, 0x02, 0x0000, 0x0081, |
270 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
271 | ||
0a5ebc88 | 272 | dev_dbg(&usbtouch->interface->dev, |
b741ab9d GKH |
273 | "%s - usb_control_msg - E2I_RESET - bytes|err: %d\n", |
274 | __func__, ret); | |
9e3b2583 FE |
275 | return ret; |
276 | } | |
277 | ||
278 | static int e2i_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
279 | { | |
280 | int tmp = (pkt[0] << 8) | pkt[1]; | |
281 | dev->x = (pkt[2] << 8) | pkt[3]; | |
282 | dev->y = (pkt[4] << 8) | pkt[5]; | |
283 | ||
284 | tmp = tmp - 0xA000; | |
285 | dev->touch = (tmp > 0); | |
286 | dev->press = (tmp > 0 ? tmp : 0); | |
287 | ||
288 | return 1; | |
289 | } | |
290 | #endif | |
291 | ||
292 | ||
1d3e2023 DR |
293 | /***************************************************************************** |
294 | * eGalax part | |
295 | */ | |
296 | ||
c6f8d706 | 297 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
1d3e2023 | 298 | |
62aa366d DR |
299 | #ifndef MULTI_PACKET |
300 | #define MULTI_PACKET | |
301 | #endif | |
302 | ||
1d3e2023 DR |
303 | #define EGALAX_PKT_TYPE_MASK 0xFE |
304 | #define EGALAX_PKT_TYPE_REPT 0x80 | |
305 | #define EGALAX_PKT_TYPE_DIAG 0x0A | |
306 | ||
037a833e FB |
307 | static int egalax_init(struct usbtouch_usb *usbtouch) |
308 | { | |
309 | int ret, i; | |
310 | unsigned char *buf; | |
311 | struct usb_device *udev = interface_to_usbdev(usbtouch->interface); | |
312 | ||
313 | /* | |
314 | * An eGalax diagnostic packet kicks the device into using the right | |
315 | * protocol. We send a "check active" packet. The response will be | |
316 | * read later and ignored. | |
317 | */ | |
318 | ||
319 | buf = kmalloc(3, GFP_KERNEL); | |
320 | if (!buf) | |
321 | return -ENOMEM; | |
322 | ||
323 | buf[0] = EGALAX_PKT_TYPE_DIAG; | |
324 | buf[1] = 1; /* length */ | |
325 | buf[2] = 'A'; /* command - check active */ | |
326 | ||
327 | for (i = 0; i < 3; i++) { | |
328 | ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), | |
329 | 0, | |
330 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
331 | 0, 0, buf, 3, | |
332 | USB_CTRL_SET_TIMEOUT); | |
333 | if (ret >= 0) { | |
334 | ret = 0; | |
335 | break; | |
336 | } | |
337 | if (ret != -EPIPE) | |
338 | break; | |
339 | } | |
340 | ||
341 | kfree(buf); | |
342 | ||
343 | return ret; | |
344 | } | |
345 | ||
c9d8c2b3 | 346 | static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 DR |
347 | { |
348 | if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT) | |
349 | return 0; | |
350 | ||
c9d8c2b3 DR |
351 | dev->x = ((pkt[3] & 0x0F) << 7) | (pkt[4] & 0x7F); |
352 | dev->y = ((pkt[1] & 0x0F) << 7) | (pkt[2] & 0x7F); | |
353 | dev->touch = pkt[0] & 0x01; | |
1d3e2023 DR |
354 | |
355 | return 1; | |
1d3e2023 DR |
356 | } |
357 | ||
5d892665 | 358 | static int egalax_get_pkt_len(unsigned char *buf, int len) |
1d3e2023 DR |
359 | { |
360 | switch (buf[0] & EGALAX_PKT_TYPE_MASK) { | |
361 | case EGALAX_PKT_TYPE_REPT: | |
362 | return 5; | |
363 | ||
364 | case EGALAX_PKT_TYPE_DIAG: | |
5d892665 DR |
365 | if (len < 2) |
366 | return -1; | |
367 | ||
1d3e2023 DR |
368 | return buf[1] + 2; |
369 | } | |
370 | ||
371 | return 0; | |
372 | } | |
1d3e2023 DR |
373 | #endif |
374 | ||
aa87512f AV |
375 | /***************************************************************************** |
376 | * EasyTouch part | |
377 | */ | |
378 | ||
379 | #ifdef CONFIG_TOUCHSCREEN_USB_EASYTOUCH | |
380 | ||
381 | #ifndef MULTI_PACKET | |
382 | #define MULTI_PACKET | |
383 | #endif | |
384 | ||
385 | #define ETOUCH_PKT_TYPE_MASK 0xFE | |
386 | #define ETOUCH_PKT_TYPE_REPT 0x80 | |
387 | #define ETOUCH_PKT_TYPE_REPT2 0xB0 | |
388 | #define ETOUCH_PKT_TYPE_DIAG 0x0A | |
389 | ||
390 | static int etouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
391 | { | |
392 | if ((pkt[0] & ETOUCH_PKT_TYPE_MASK) != ETOUCH_PKT_TYPE_REPT && | |
393 | (pkt[0] & ETOUCH_PKT_TYPE_MASK) != ETOUCH_PKT_TYPE_REPT2) | |
394 | return 0; | |
395 | ||
396 | dev->x = ((pkt[1] & 0x1F) << 7) | (pkt[2] & 0x7F); | |
397 | dev->y = ((pkt[3] & 0x1F) << 7) | (pkt[4] & 0x7F); | |
398 | dev->touch = pkt[0] & 0x01; | |
399 | ||
400 | return 1; | |
401 | } | |
402 | ||
403 | static int etouch_get_pkt_len(unsigned char *buf, int len) | |
404 | { | |
405 | switch (buf[0] & ETOUCH_PKT_TYPE_MASK) { | |
406 | case ETOUCH_PKT_TYPE_REPT: | |
407 | case ETOUCH_PKT_TYPE_REPT2: | |
408 | return 5; | |
409 | ||
410 | case ETOUCH_PKT_TYPE_DIAG: | |
411 | if (len < 2) | |
412 | return -1; | |
413 | ||
414 | return buf[1] + 2; | |
415 | } | |
416 | ||
417 | return 0; | |
418 | } | |
419 | #endif | |
1d3e2023 DR |
420 | |
421 | /***************************************************************************** | |
422 | * PanJit Part | |
423 | */ | |
c6f8d706 | 424 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
c9d8c2b3 | 425 | static int panjit_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 426 | { |
c9d8c2b3 DR |
427 | dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1]; |
428 | dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3]; | |
429 | dev->touch = pkt[0] & 0x01; | |
1d3e2023 DR |
430 | |
431 | return 1; | |
432 | } | |
433 | #endif | |
434 | ||
435 | ||
436 | /***************************************************************************** | |
437 | * 3M/Microtouch Part | |
438 | */ | |
c6f8d706 | 439 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
440 | |
441 | #define MTOUCHUSB_ASYNC_REPORT 1 | |
442 | #define MTOUCHUSB_RESET 7 | |
443 | #define MTOUCHUSB_REQ_CTRLLR_ID 10 | |
444 | ||
c9d8c2b3 | 445 | static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 446 | { |
c9cbf3d3 DS |
447 | if (hwcalib_xy) { |
448 | dev->x = (pkt[4] << 8) | pkt[3]; | |
449 | dev->y = 0xffff - ((pkt[6] << 8) | pkt[5]); | |
450 | } else { | |
451 | dev->x = (pkt[8] << 8) | pkt[7]; | |
452 | dev->y = (pkt[10] << 8) | pkt[9]; | |
453 | } | |
c9d8c2b3 | 454 | dev->touch = (pkt[2] & 0x40) ? 1 : 0; |
1d3e2023 DR |
455 | |
456 | return 1; | |
457 | } | |
458 | ||
459 | static int mtouch_init(struct usbtouch_usb *usbtouch) | |
460 | { | |
5d892665 | 461 | int ret, i; |
fea4d14b | 462 | struct usb_device *udev = interface_to_usbdev(usbtouch->interface); |
1d3e2023 | 463 | |
fea4d14b | 464 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
1d3e2023 DR |
465 | MTOUCHUSB_RESET, |
466 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
467 | 1, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
0a5ebc88 | 468 | dev_dbg(&usbtouch->interface->dev, |
b741ab9d GKH |
469 | "%s - usb_control_msg - MTOUCHUSB_RESET - bytes|err: %d\n", |
470 | __func__, ret); | |
1d3e2023 DR |
471 | if (ret < 0) |
472 | return ret; | |
5d892665 DR |
473 | msleep(150); |
474 | ||
475 | for (i = 0; i < 3; i++) { | |
fea4d14b | 476 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
5d892665 DR |
477 | MTOUCHUSB_ASYNC_REPORT, |
478 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
479 | 1, 1, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
0a5ebc88 | 480 | dev_dbg(&usbtouch->interface->dev, |
b741ab9d GKH |
481 | "%s - usb_control_msg - MTOUCHUSB_ASYNC_REPORT - bytes|err: %d\n", |
482 | __func__, ret); | |
5d892665 DR |
483 | if (ret >= 0) |
484 | break; | |
485 | if (ret != -EPIPE) | |
486 | return ret; | |
487 | } | |
1d3e2023 | 488 | |
c9cbf3d3 DS |
489 | /* Default min/max xy are the raw values, override if using hw-calib */ |
490 | if (hwcalib_xy) { | |
491 | input_set_abs_params(usbtouch->input, ABS_X, 0, 0xffff, 0, 0); | |
492 | input_set_abs_params(usbtouch->input, ABS_Y, 0, 0xffff, 0, 0); | |
493 | } | |
494 | ||
1d3e2023 DR |
495 | return 0; |
496 | } | |
497 | #endif | |
498 | ||
499 | ||
500 | /***************************************************************************** | |
501 | * ITM Part | |
502 | */ | |
c6f8d706 | 503 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
c9d8c2b3 | 504 | static int itm_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
1d3e2023 | 505 | { |
c9d8c2b3 DR |
506 | int touch; |
507 | /* | |
508 | * ITM devices report invalid x/y data if not touched. | |
509 | * if the screen was touched before but is not touched any more | |
510 | * report touch as 0 with the last valid x/y data once. then stop | |
511 | * reporting data until touched again. | |
512 | */ | |
513 | dev->press = ((pkt[2] & 0x01) << 7) | (pkt[5] & 0x7F); | |
514 | ||
515 | touch = ~pkt[7] & 0x20; | |
516 | if (!touch) { | |
517 | if (dev->touch) { | |
518 | dev->touch = 0; | |
519 | return 1; | |
520 | } | |
521 | ||
522 | return 0; | |
523 | } | |
524 | ||
525 | dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F); | |
526 | dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F); | |
527 | dev->touch = touch; | |
1d3e2023 | 528 | |
c9d8c2b3 | 529 | return 1; |
1d3e2023 DR |
530 | } |
531 | #endif | |
532 | ||
533 | ||
5d892665 DR |
534 | /***************************************************************************** |
535 | * eTurboTouch part | |
536 | */ | |
c6f8d706 | 537 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
62aa366d DR |
538 | #ifndef MULTI_PACKET |
539 | #define MULTI_PACKET | |
540 | #endif | |
c9d8c2b3 | 541 | static int eturbo_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
5d892665 DR |
542 | { |
543 | unsigned int shift; | |
544 | ||
545 | /* packets should start with sync */ | |
546 | if (!(pkt[0] & 0x80)) | |
547 | return 0; | |
548 | ||
549 | shift = (6 - (pkt[0] & 0x03)); | |
c9d8c2b3 DR |
550 | dev->x = ((pkt[3] << 7) | pkt[4]) >> shift; |
551 | dev->y = ((pkt[1] << 7) | pkt[2]) >> shift; | |
552 | dev->touch = (pkt[0] & 0x10) ? 1 : 0; | |
5d892665 DR |
553 | |
554 | return 1; | |
555 | } | |
556 | ||
557 | static int eturbo_get_pkt_len(unsigned char *buf, int len) | |
558 | { | |
559 | if (buf[0] & 0x80) | |
560 | return 5; | |
561 | if (buf[0] == 0x01) | |
562 | return 3; | |
563 | return 0; | |
564 | } | |
565 | #endif | |
566 | ||
567 | ||
568 | /***************************************************************************** | |
569 | * Gunze part | |
570 | */ | |
c6f8d706 | 571 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
c9d8c2b3 | 572 | static int gunze_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
5d892665 DR |
573 | { |
574 | if (!(pkt[0] & 0x80) || ((pkt[1] | pkt[2] | pkt[3]) & 0x80)) | |
575 | return 0; | |
576 | ||
c9d8c2b3 DR |
577 | dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[2] & 0x7F); |
578 | dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[3] & 0x7F); | |
579 | dev->touch = pkt[0] & 0x20; | |
5d892665 DR |
580 | |
581 | return 1; | |
582 | } | |
583 | #endif | |
584 | ||
24ced062 HS |
585 | /***************************************************************************** |
586 | * DMC TSC-10/25 Part | |
587 | * | |
588 | * Documentation about the controller and it's protocol can be found at | |
589 | * http://www.dmccoltd.com/files/controler/tsc10usb_pi_e.pdf | |
590 | * http://www.dmccoltd.com/files/controler/tsc25_usb_e.pdf | |
591 | */ | |
c6f8d706 | 592 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
593 | |
594 | /* supported data rates. currently using 130 */ | |
595 | #define TSC10_RATE_POINT 0x50 | |
596 | #define TSC10_RATE_30 0x40 | |
597 | #define TSC10_RATE_50 0x41 | |
598 | #define TSC10_RATE_80 0x42 | |
599 | #define TSC10_RATE_100 0x43 | |
600 | #define TSC10_RATE_130 0x44 | |
601 | #define TSC10_RATE_150 0x45 | |
602 | ||
603 | /* commands */ | |
604 | #define TSC10_CMD_RESET 0x55 | |
605 | #define TSC10_CMD_RATE 0x05 | |
606 | #define TSC10_CMD_DATA1 0x01 | |
607 | ||
608 | static int dmc_tsc10_init(struct usbtouch_usb *usbtouch) | |
609 | { | |
fea4d14b | 610 | struct usb_device *dev = interface_to_usbdev(usbtouch->interface); |
76d057ce ON |
611 | int ret = -ENOMEM; |
612 | unsigned char *buf; | |
24ced062 | 613 | |
a8aef622 | 614 | buf = kmalloc(2, GFP_NOIO); |
76d057ce ON |
615 | if (!buf) |
616 | goto err_nobuf; | |
24ced062 HS |
617 | /* reset */ |
618 | buf[0] = buf[1] = 0xFF; | |
619 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
620 | TSC10_CMD_RESET, | |
621 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
622 | 0, 0, buf, 2, USB_CTRL_SET_TIMEOUT); | |
623 | if (ret < 0) | |
76d057ce | 624 | goto err_out; |
2ec6f246 | 625 | if (buf[0] != 0x06) { |
76d057ce ON |
626 | ret = -ENODEV; |
627 | goto err_out; | |
628 | } | |
24ced062 | 629 | |
96849170 BB |
630 | /* TSC-25 data sheet specifies a delay after the RESET command */ |
631 | msleep(150); | |
632 | ||
24ced062 HS |
633 | /* set coordinate output rate */ |
634 | buf[0] = buf[1] = 0xFF; | |
635 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
636 | TSC10_CMD_RATE, | |
637 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
638 | TSC10_RATE_150, 0, buf, 2, USB_CTRL_SET_TIMEOUT); | |
639 | if (ret < 0) | |
76d057ce | 640 | goto err_out; |
2ec6f246 | 641 | if ((buf[0] != 0x06) && (buf[0] != 0x15 || buf[1] != 0x01)) { |
76d057ce ON |
642 | ret = -ENODEV; |
643 | goto err_out; | |
644 | } | |
24ced062 HS |
645 | |
646 | /* start sending data */ | |
647 | ret = usb_control_msg(dev, usb_rcvctrlpipe (dev, 0), | |
648 | TSC10_CMD_DATA1, | |
649 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
650 | 0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT); | |
76d057ce ON |
651 | err_out: |
652 | kfree(buf); | |
653 | err_nobuf: | |
654 | return ret; | |
24ced062 HS |
655 | } |
656 | ||
657 | ||
c9d8c2b3 | 658 | static int dmc_tsc10_read_data(struct usbtouch_usb *dev, unsigned char *pkt) |
24ced062 | 659 | { |
c9d8c2b3 DR |
660 | dev->x = ((pkt[2] & 0x03) << 8) | pkt[1]; |
661 | dev->y = ((pkt[4] & 0x03) << 8) | pkt[3]; | |
662 | dev->touch = pkt[0] & 0x01; | |
24ced062 HS |
663 | |
664 | return 1; | |
665 | } | |
666 | #endif | |
667 | ||
668 | ||
df561fcd OZ |
669 | /***************************************************************************** |
670 | * IRTOUCH Part | |
671 | */ | |
672 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH | |
673 | static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
674 | { | |
675 | dev->x = (pkt[3] << 8) | pkt[2]; | |
676 | dev->y = (pkt[5] << 8) | pkt[4]; | |
677 | dev->touch = (pkt[1] & 0x03) ? 1 : 0; | |
678 | ||
679 | return 1; | |
680 | } | |
681 | #endif | |
682 | ||
dbe1420b | 683 | /***************************************************************************** |
38771bb4 | 684 | * ET&T TC5UH/TC4UM part |
dbe1420b | 685 | */ |
38771bb4 PŠ |
686 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
687 | static int tc45usb_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
dbe1420b PŠ |
688 | { |
689 | dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1]; | |
690 | dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3]; | |
691 | dev->touch = pkt[0] & 0x01; | |
692 | ||
693 | return 1; | |
694 | } | |
695 | #endif | |
df561fcd | 696 | |
a14a8401 OZ |
697 | /***************************************************************************** |
698 | * IdealTEK URTC1000 Part | |
699 | */ | |
700 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK | |
62aa366d DR |
701 | #ifndef MULTI_PACKET |
702 | #define MULTI_PACKET | |
703 | #endif | |
a14a8401 OZ |
704 | static int idealtek_get_pkt_len(unsigned char *buf, int len) |
705 | { | |
706 | if (buf[0] & 0x80) | |
707 | return 5; | |
708 | if (buf[0] == 0x01) | |
709 | return len; | |
710 | return 0; | |
711 | } | |
712 | ||
713 | static int idealtek_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
714 | { | |
715 | switch (pkt[0] & 0x98) { | |
716 | case 0x88: | |
717 | /* touch data in IdealTEK mode */ | |
718 | dev->x = (pkt[1] << 5) | (pkt[2] >> 2); | |
719 | dev->y = (pkt[3] << 5) | (pkt[4] >> 2); | |
720 | dev->touch = (pkt[0] & 0x40) ? 1 : 0; | |
721 | return 1; | |
722 | ||
723 | case 0x98: | |
724 | /* touch data in MT emulation mode */ | |
725 | dev->x = (pkt[2] << 5) | (pkt[1] >> 2); | |
726 | dev->y = (pkt[4] << 5) | (pkt[3] >> 2); | |
727 | dev->touch = (pkt[0] & 0x40) ? 1 : 0; | |
728 | return 1; | |
729 | ||
730 | default: | |
731 | return 0; | |
732 | } | |
733 | } | |
734 | #endif | |
735 | ||
9d5657db IF |
736 | /***************************************************************************** |
737 | * General Touch Part | |
738 | */ | |
739 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH | |
740 | static int general_touch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
741 | { | |
eb083ba2 RY |
742 | dev->x = (pkt[2] << 8) | pkt[1]; |
743 | dev->y = (pkt[4] << 8) | pkt[3]; | |
9d5657db IF |
744 | dev->press = pkt[5] & 0xff; |
745 | dev->touch = pkt[0] & 0x01; | |
746 | ||
747 | return 1; | |
748 | } | |
749 | #endif | |
a14a8401 | 750 | |
14e40206 JJ |
751 | /***************************************************************************** |
752 | * GoTop Part | |
753 | */ | |
754 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP | |
755 | static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
756 | { | |
757 | dev->x = ((pkt[1] & 0x38) << 4) | pkt[2]; | |
758 | dev->y = ((pkt[1] & 0x07) << 7) | pkt[3]; | |
759 | dev->touch = pkt[0] & 0x01; | |
f7370699 JP |
760 | |
761 | return 1; | |
762 | } | |
763 | #endif | |
764 | ||
765 | /***************************************************************************** | |
766 | * JASTEC Part | |
767 | */ | |
768 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC | |
769 | static int jastec_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
770 | { | |
771 | dev->x = ((pkt[0] & 0x3f) << 6) | (pkt[2] & 0x3f); | |
772 | dev->y = ((pkt[1] & 0x3f) << 6) | (pkt[3] & 0x3f); | |
773 | dev->touch = (pkt[0] & 0x40) >> 6; | |
774 | ||
14e40206 JJ |
775 | return 1; |
776 | } | |
777 | #endif | |
778 | ||
2330ed18 DS |
779 | /***************************************************************************** |
780 | * Zytronic Part | |
781 | */ | |
782 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
783 | static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
784 | { | |
0a5ebc88 | 785 | struct usb_interface *intf = dev->interface; |
b741ab9d | 786 | |
2330ed18 DS |
787 | switch (pkt[0]) { |
788 | case 0x3A: /* command response */ | |
0a5ebc88 | 789 | dev_dbg(&intf->dev, "%s: Command response %d\n", __func__, pkt[1]); |
2330ed18 DS |
790 | break; |
791 | ||
792 | case 0xC0: /* down */ | |
793 | dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7); | |
794 | dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7); | |
795 | dev->touch = 1; | |
0a5ebc88 | 796 | dev_dbg(&intf->dev, "%s: down %d,%d\n", __func__, dev->x, dev->y); |
2330ed18 DS |
797 | return 1; |
798 | ||
799 | case 0x80: /* up */ | |
800 | dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7); | |
801 | dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7); | |
802 | dev->touch = 0; | |
0a5ebc88 | 803 | dev_dbg(&intf->dev, "%s: up %d,%d\n", __func__, dev->x, dev->y); |
2330ed18 DS |
804 | return 1; |
805 | ||
806 | default: | |
0a5ebc88 | 807 | dev_dbg(&intf->dev, "%s: Unknown return %d\n", __func__, pkt[0]); |
2330ed18 DS |
808 | break; |
809 | } | |
810 | ||
811 | return 0; | |
812 | } | |
813 | #endif | |
14e40206 | 814 | |
5197424c OZ |
815 | /***************************************************************************** |
816 | * NEXIO Part | |
817 | */ | |
818 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO | |
819 | ||
820 | #define NEXIO_TIMEOUT 5000 | |
821 | #define NEXIO_BUFSIZE 1024 | |
822 | #define NEXIO_THRESHOLD 50 | |
823 | ||
824 | struct nexio_priv { | |
825 | struct urb *ack; | |
826 | unsigned char *ack_buf; | |
827 | }; | |
828 | ||
829 | struct nexio_touch_packet { | |
830 | u8 flags; /* 0xe1 = touch, 0xe1 = release */ | |
831 | __be16 data_len; /* total bytes of touch data */ | |
832 | __be16 x_len; /* bytes for X axis */ | |
833 | __be16 y_len; /* bytes for Y axis */ | |
834 | u8 data[]; | |
835 | } __attribute__ ((packed)); | |
836 | ||
837 | static unsigned char nexio_ack_pkt[2] = { 0xaa, 0x02 }; | |
838 | static unsigned char nexio_init_pkt[4] = { 0x82, 0x04, 0x0a, 0x0f }; | |
839 | ||
840 | static void nexio_ack_complete(struct urb *urb) | |
841 | { | |
842 | } | |
843 | ||
a8aef622 ON |
844 | static int nexio_alloc(struct usbtouch_usb *usbtouch) |
845 | { | |
846 | struct nexio_priv *priv; | |
847 | int ret = -ENOMEM; | |
848 | ||
849 | usbtouch->priv = kmalloc(sizeof(struct nexio_priv), GFP_KERNEL); | |
850 | if (!usbtouch->priv) | |
851 | goto out_buf; | |
852 | ||
853 | priv = usbtouch->priv; | |
854 | ||
855 | priv->ack_buf = kmemdup(nexio_ack_pkt, sizeof(nexio_ack_pkt), | |
856 | GFP_KERNEL); | |
857 | if (!priv->ack_buf) | |
858 | goto err_priv; | |
859 | ||
860 | priv->ack = usb_alloc_urb(0, GFP_KERNEL); | |
861 | if (!priv->ack) { | |
0a5ebc88 | 862 | dev_dbg(&usbtouch->interface->dev, |
b741ab9d | 863 | "%s - usb_alloc_urb failed: usbtouch->ack\n", __func__); |
a8aef622 ON |
864 | goto err_ack_buf; |
865 | } | |
866 | ||
867 | return 0; | |
868 | ||
869 | err_ack_buf: | |
870 | kfree(priv->ack_buf); | |
871 | err_priv: | |
872 | kfree(priv); | |
873 | out_buf: | |
874 | return ret; | |
875 | } | |
876 | ||
5197424c OZ |
877 | static int nexio_init(struct usbtouch_usb *usbtouch) |
878 | { | |
879 | struct usb_device *dev = interface_to_usbdev(usbtouch->interface); | |
880 | struct usb_host_interface *interface = usbtouch->interface->cur_altsetting; | |
a8aef622 | 881 | struct nexio_priv *priv = usbtouch->priv; |
5197424c OZ |
882 | int ret = -ENOMEM; |
883 | int actual_len, i; | |
884 | unsigned char *buf; | |
885 | char *firmware_ver = NULL, *device_name = NULL; | |
886 | int input_ep = 0, output_ep = 0; | |
887 | ||
888 | /* find first input and output endpoint */ | |
889 | for (i = 0; i < interface->desc.bNumEndpoints; i++) { | |
890 | if (!input_ep && | |
891 | usb_endpoint_dir_in(&interface->endpoint[i].desc)) | |
892 | input_ep = interface->endpoint[i].desc.bEndpointAddress; | |
893 | if (!output_ep && | |
894 | usb_endpoint_dir_out(&interface->endpoint[i].desc)) | |
895 | output_ep = interface->endpoint[i].desc.bEndpointAddress; | |
896 | } | |
897 | if (!input_ep || !output_ep) | |
898 | return -ENXIO; | |
899 | ||
a8aef622 | 900 | buf = kmalloc(NEXIO_BUFSIZE, GFP_NOIO); |
5197424c OZ |
901 | if (!buf) |
902 | goto out_buf; | |
903 | ||
904 | /* two empty reads */ | |
905 | for (i = 0; i < 2; i++) { | |
906 | ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), | |
907 | buf, NEXIO_BUFSIZE, &actual_len, | |
908 | NEXIO_TIMEOUT); | |
909 | if (ret < 0) | |
910 | goto out_buf; | |
911 | } | |
912 | ||
913 | /* send init command */ | |
914 | memcpy(buf, nexio_init_pkt, sizeof(nexio_init_pkt)); | |
915 | ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, output_ep), | |
916 | buf, sizeof(nexio_init_pkt), &actual_len, | |
917 | NEXIO_TIMEOUT); | |
918 | if (ret < 0) | |
919 | goto out_buf; | |
920 | ||
921 | /* read replies */ | |
922 | for (i = 0; i < 3; i++) { | |
923 | memset(buf, 0, NEXIO_BUFSIZE); | |
924 | ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep), | |
925 | buf, NEXIO_BUFSIZE, &actual_len, | |
926 | NEXIO_TIMEOUT); | |
927 | if (ret < 0 || actual_len < 1 || buf[1] != actual_len) | |
928 | continue; | |
929 | switch (buf[0]) { | |
930 | case 0x83: /* firmware version */ | |
931 | if (!firmware_ver) | |
a8aef622 | 932 | firmware_ver = kstrdup(&buf[2], GFP_NOIO); |
5197424c OZ |
933 | break; |
934 | case 0x84: /* device name */ | |
935 | if (!device_name) | |
a8aef622 | 936 | device_name = kstrdup(&buf[2], GFP_NOIO); |
5197424c OZ |
937 | break; |
938 | } | |
939 | } | |
940 | ||
941 | printk(KERN_INFO "Nexio device: %s, firmware version: %s\n", | |
942 | device_name, firmware_ver); | |
943 | ||
944 | kfree(firmware_ver); | |
945 | kfree(device_name); | |
946 | ||
5197424c OZ |
947 | usb_fill_bulk_urb(priv->ack, dev, usb_sndbulkpipe(dev, output_ep), |
948 | priv->ack_buf, sizeof(nexio_ack_pkt), | |
949 | nexio_ack_complete, usbtouch); | |
950 | ret = 0; | |
5197424c | 951 | |
5197424c OZ |
952 | out_buf: |
953 | kfree(buf); | |
954 | return ret; | |
955 | } | |
956 | ||
957 | static void nexio_exit(struct usbtouch_usb *usbtouch) | |
958 | { | |
959 | struct nexio_priv *priv = usbtouch->priv; | |
960 | ||
961 | usb_kill_urb(priv->ack); | |
962 | usb_free_urb(priv->ack); | |
963 | kfree(priv->ack_buf); | |
964 | kfree(priv); | |
965 | } | |
966 | ||
967 | static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt) | |
968 | { | |
5197424c OZ |
969 | struct nexio_touch_packet *packet = (void *) pkt; |
970 | struct nexio_priv *priv = usbtouch->priv; | |
4aa5bbec DT |
971 | unsigned int data_len = be16_to_cpu(packet->data_len); |
972 | unsigned int x_len = be16_to_cpu(packet->x_len); | |
973 | unsigned int y_len = be16_to_cpu(packet->y_len); | |
974 | int x, y, begin_x, begin_y, end_x, end_y, w, h, ret; | |
5197424c OZ |
975 | |
976 | /* got touch data? */ | |
977 | if ((pkt[0] & 0xe0) != 0xe0) | |
978 | return 0; | |
979 | ||
4aa5bbec DT |
980 | if (data_len > 0xff) |
981 | data_len -= 0x100; | |
982 | if (x_len > 0xff) | |
983 | x_len -= 0x80; | |
388bbcad | 984 | |
5197424c OZ |
985 | /* send ACK */ |
986 | ret = usb_submit_urb(priv->ack, GFP_ATOMIC); | |
987 | ||
988 | if (!usbtouch->type->max_xc) { | |
4aa5bbec DT |
989 | usbtouch->type->max_xc = 2 * x_len; |
990 | input_set_abs_params(usbtouch->input, ABS_X, | |
991 | 0, usbtouch->type->max_xc, 0, 0); | |
992 | usbtouch->type->max_yc = 2 * y_len; | |
993 | input_set_abs_params(usbtouch->input, ABS_Y, | |
994 | 0, usbtouch->type->max_yc, 0, 0); | |
5197424c OZ |
995 | } |
996 | /* | |
997 | * The device reports state of IR sensors on X and Y axes. | |
998 | * Each byte represents "darkness" percentage (0-100) of one element. | |
999 | * 17" touchscreen reports only 64 x 52 bytes so the resolution is low. | |
1000 | * This also means that there's a limited multi-touch capability but | |
1001 | * it's disabled (and untested) here as there's no X driver for that. | |
1002 | */ | |
1003 | begin_x = end_x = begin_y = end_y = -1; | |
4aa5bbec | 1004 | for (x = 0; x < x_len; x++) { |
5197424c OZ |
1005 | if (begin_x == -1 && packet->data[x] > NEXIO_THRESHOLD) { |
1006 | begin_x = x; | |
1007 | continue; | |
1008 | } | |
1009 | if (end_x == -1 && begin_x != -1 && packet->data[x] < NEXIO_THRESHOLD) { | |
1010 | end_x = x - 1; | |
4aa5bbec | 1011 | for (y = x_len; y < data_len; y++) { |
5197424c | 1012 | if (begin_y == -1 && packet->data[y] > NEXIO_THRESHOLD) { |
4aa5bbec | 1013 | begin_y = y - x_len; |
5197424c OZ |
1014 | continue; |
1015 | } | |
1016 | if (end_y == -1 && | |
1017 | begin_y != -1 && packet->data[y] < NEXIO_THRESHOLD) { | |
4aa5bbec | 1018 | end_y = y - 1 - x_len; |
5197424c OZ |
1019 | w = end_x - begin_x; |
1020 | h = end_y - begin_y; | |
1021 | #if 0 | |
1022 | /* multi-touch */ | |
1023 | input_report_abs(usbtouch->input, | |
1024 | ABS_MT_TOUCH_MAJOR, max(w,h)); | |
1025 | input_report_abs(usbtouch->input, | |
1026 | ABS_MT_TOUCH_MINOR, min(x,h)); | |
1027 | input_report_abs(usbtouch->input, | |
1028 | ABS_MT_POSITION_X, 2*begin_x+w); | |
1029 | input_report_abs(usbtouch->input, | |
1030 | ABS_MT_POSITION_Y, 2*begin_y+h); | |
1031 | input_report_abs(usbtouch->input, | |
1032 | ABS_MT_ORIENTATION, w > h); | |
1033 | input_mt_sync(usbtouch->input); | |
1034 | #endif | |
1035 | /* single touch */ | |
1036 | usbtouch->x = 2 * begin_x + w; | |
1037 | usbtouch->y = 2 * begin_y + h; | |
1038 | usbtouch->touch = packet->flags & 0x01; | |
1039 | begin_y = end_y = -1; | |
1040 | return 1; | |
1041 | } | |
1042 | } | |
1043 | begin_x = end_x = -1; | |
1044 | } | |
1045 | ||
1046 | } | |
1047 | return 0; | |
1048 | } | |
1049 | #endif | |
1050 | ||
1051 | ||
d2cc817a MG |
1052 | /***************************************************************************** |
1053 | * ELO part | |
1054 | */ | |
1055 | ||
1056 | #ifdef CONFIG_TOUCHSCREEN_USB_ELO | |
1057 | ||
1058 | static int elo_read_data(struct usbtouch_usb *dev, unsigned char *pkt) | |
1059 | { | |
1060 | dev->x = (pkt[3] << 8) | pkt[2]; | |
1061 | dev->y = (pkt[5] << 8) | pkt[4]; | |
1062 | dev->touch = pkt[6] > 0; | |
1063 | dev->press = pkt[6]; | |
1064 | ||
1065 | return 1; | |
1066 | } | |
1067 | #endif | |
1068 | ||
1069 | ||
1d3e2023 DR |
1070 | /***************************************************************************** |
1071 | * the different device descriptors | |
1072 | */ | |
62aa366d DR |
1073 | #ifdef MULTI_PACKET |
1074 | static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, | |
1075 | unsigned char *pkt, int len); | |
1076 | #endif | |
1077 | ||
1d3e2023 | 1078 | static struct usbtouch_device_info usbtouch_dev_info[] = { |
d2cc817a MG |
1079 | #ifdef CONFIG_TOUCHSCREEN_USB_ELO |
1080 | [DEVTYPE_ELO] = { | |
1081 | .min_xc = 0x0, | |
1082 | .max_xc = 0x0fff, | |
1083 | .min_yc = 0x0, | |
1084 | .max_yc = 0x0fff, | |
1085 | .max_press = 0xff, | |
1086 | .rept_size = 8, | |
1087 | .read_data = elo_read_data, | |
1088 | }, | |
1089 | #endif | |
1090 | ||
c6f8d706 | 1091 | #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX |
1d3e2023 DR |
1092 | [DEVTYPE_EGALAX] = { |
1093 | .min_xc = 0x0, | |
1094 | .max_xc = 0x07ff, | |
1095 | .min_yc = 0x0, | |
1096 | .max_yc = 0x07ff, | |
1097 | .rept_size = 16, | |
5d892665 DR |
1098 | .process_pkt = usbtouch_process_multi, |
1099 | .get_pkt_len = egalax_get_pkt_len, | |
1d3e2023 | 1100 | .read_data = egalax_read_data, |
037a833e | 1101 | .init = egalax_init, |
1d3e2023 DR |
1102 | }, |
1103 | #endif | |
1104 | ||
c6f8d706 | 1105 | #ifdef CONFIG_TOUCHSCREEN_USB_PANJIT |
1d3e2023 DR |
1106 | [DEVTYPE_PANJIT] = { |
1107 | .min_xc = 0x0, | |
1108 | .max_xc = 0x0fff, | |
1109 | .min_yc = 0x0, | |
1110 | .max_yc = 0x0fff, | |
1111 | .rept_size = 8, | |
1112 | .read_data = panjit_read_data, | |
1113 | }, | |
1114 | #endif | |
1115 | ||
c6f8d706 | 1116 | #ifdef CONFIG_TOUCHSCREEN_USB_3M |
1d3e2023 DR |
1117 | [DEVTYPE_3M] = { |
1118 | .min_xc = 0x0, | |
1119 | .max_xc = 0x4000, | |
1120 | .min_yc = 0x0, | |
1121 | .max_yc = 0x4000, | |
1122 | .rept_size = 11, | |
1123 | .read_data = mtouch_read_data, | |
1124 | .init = mtouch_init, | |
1125 | }, | |
1126 | #endif | |
1127 | ||
c6f8d706 | 1128 | #ifdef CONFIG_TOUCHSCREEN_USB_ITM |
1d3e2023 DR |
1129 | [DEVTYPE_ITM] = { |
1130 | .min_xc = 0x0, | |
1131 | .max_xc = 0x0fff, | |
1132 | .min_yc = 0x0, | |
1133 | .max_yc = 0x0fff, | |
1134 | .max_press = 0xff, | |
1135 | .rept_size = 8, | |
1136 | .read_data = itm_read_data, | |
1137 | }, | |
1138 | #endif | |
5d892665 | 1139 | |
c6f8d706 | 1140 | #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO |
5d892665 DR |
1141 | [DEVTYPE_ETURBO] = { |
1142 | .min_xc = 0x0, | |
1143 | .max_xc = 0x07ff, | |
1144 | .min_yc = 0x0, | |
1145 | .max_yc = 0x07ff, | |
1146 | .rept_size = 8, | |
5d892665 DR |
1147 | .process_pkt = usbtouch_process_multi, |
1148 | .get_pkt_len = eturbo_get_pkt_len, | |
1149 | .read_data = eturbo_read_data, | |
1150 | }, | |
1151 | #endif | |
1152 | ||
c6f8d706 | 1153 | #ifdef CONFIG_TOUCHSCREEN_USB_GUNZE |
5d892665 DR |
1154 | [DEVTYPE_GUNZE] = { |
1155 | .min_xc = 0x0, | |
1156 | .max_xc = 0x0fff, | |
1157 | .min_yc = 0x0, | |
1158 | .max_yc = 0x0fff, | |
1159 | .rept_size = 4, | |
1160 | .read_data = gunze_read_data, | |
1161 | }, | |
1162 | #endif | |
24ced062 | 1163 | |
c6f8d706 | 1164 | #ifdef CONFIG_TOUCHSCREEN_USB_DMC_TSC10 |
24ced062 HS |
1165 | [DEVTYPE_DMC_TSC10] = { |
1166 | .min_xc = 0x0, | |
1167 | .max_xc = 0x03ff, | |
1168 | .min_yc = 0x0, | |
1169 | .max_yc = 0x03ff, | |
1170 | .rept_size = 5, | |
1171 | .init = dmc_tsc10_init, | |
1172 | .read_data = dmc_tsc10_read_data, | |
1173 | }, | |
1174 | #endif | |
df561fcd OZ |
1175 | |
1176 | #ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH | |
1177 | [DEVTYPE_IRTOUCH] = { | |
1178 | .min_xc = 0x0, | |
1179 | .max_xc = 0x0fff, | |
1180 | .min_yc = 0x0, | |
1181 | .max_yc = 0x0fff, | |
1182 | .rept_size = 8, | |
1183 | .read_data = irtouch_read_data, | |
1184 | }, | |
dbea4032 LP |
1185 | |
1186 | [DEVTYPE_IRTOUCH_HIRES] = { | |
1187 | .min_xc = 0x0, | |
1188 | .max_xc = 0x7fff, | |
1189 | .min_yc = 0x0, | |
1190 | .max_yc = 0x7fff, | |
1191 | .rept_size = 8, | |
1192 | .read_data = irtouch_read_data, | |
1193 | }, | |
df561fcd | 1194 | #endif |
a14a8401 OZ |
1195 | |
1196 | #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK | |
1197 | [DEVTYPE_IDEALTEK] = { | |
1198 | .min_xc = 0x0, | |
1199 | .max_xc = 0x0fff, | |
1200 | .min_yc = 0x0, | |
1201 | .max_yc = 0x0fff, | |
1202 | .rept_size = 8, | |
a14a8401 OZ |
1203 | .process_pkt = usbtouch_process_multi, |
1204 | .get_pkt_len = idealtek_get_pkt_len, | |
1205 | .read_data = idealtek_read_data, | |
1206 | }, | |
1207 | #endif | |
9d5657db IF |
1208 | |
1209 | #ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH | |
1210 | [DEVTYPE_GENERAL_TOUCH] = { | |
1211 | .min_xc = 0x0, | |
eb083ba2 | 1212 | .max_xc = 0x7fff, |
9d5657db | 1213 | .min_yc = 0x0, |
eb083ba2 | 1214 | .max_yc = 0x7fff, |
9d5657db IF |
1215 | .rept_size = 7, |
1216 | .read_data = general_touch_read_data, | |
14e40206 | 1217 | }, |
9d5657db IF |
1218 | #endif |
1219 | ||
14e40206 JJ |
1220 | #ifdef CONFIG_TOUCHSCREEN_USB_GOTOP |
1221 | [DEVTYPE_GOTOP] = { | |
1222 | .min_xc = 0x0, | |
1223 | .max_xc = 0x03ff, | |
1224 | .min_yc = 0x0, | |
1225 | .max_yc = 0x03ff, | |
1226 | .rept_size = 4, | |
1227 | .read_data = gotop_read_data, | |
1228 | }, | |
1229 | #endif | |
f7370699 JP |
1230 | |
1231 | #ifdef CONFIG_TOUCHSCREEN_USB_JASTEC | |
1232 | [DEVTYPE_JASTEC] = { | |
1233 | .min_xc = 0x0, | |
1234 | .max_xc = 0x0fff, | |
1235 | .min_yc = 0x0, | |
1236 | .max_yc = 0x0fff, | |
1237 | .rept_size = 4, | |
1238 | .read_data = jastec_read_data, | |
1239 | }, | |
1240 | #endif | |
9e3b2583 FE |
1241 | |
1242 | #ifdef CONFIG_TOUCHSCREEN_USB_E2I | |
1243 | [DEVTYPE_E2I] = { | |
1244 | .min_xc = 0x0, | |
1245 | .max_xc = 0x7fff, | |
1246 | .min_yc = 0x0, | |
1247 | .max_yc = 0x7fff, | |
1248 | .rept_size = 6, | |
1249 | .init = e2i_init, | |
1250 | .read_data = e2i_read_data, | |
1251 | }, | |
1252 | #endif | |
2330ed18 DS |
1253 | |
1254 | #ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC | |
1255 | [DEVTYPE_ZYTRONIC] = { | |
1256 | .min_xc = 0x0, | |
1257 | .max_xc = 0x03ff, | |
1258 | .min_yc = 0x0, | |
1259 | .max_yc = 0x03ff, | |
1260 | .rept_size = 5, | |
1261 | .read_data = zytronic_read_data, | |
1262 | .irq_always = true, | |
1263 | }, | |
1264 | #endif | |
dbe1420b | 1265 | |
38771bb4 PŠ |
1266 | #ifdef CONFIG_TOUCHSCREEN_USB_ETT_TC45USB |
1267 | [DEVTYPE_TC45USB] = { | |
dbe1420b PŠ |
1268 | .min_xc = 0x0, |
1269 | .max_xc = 0x0fff, | |
1270 | .min_yc = 0x0, | |
1271 | .max_yc = 0x0fff, | |
1272 | .rept_size = 5, | |
38771bb4 | 1273 | .read_data = tc45usb_read_data, |
dbe1420b PŠ |
1274 | }, |
1275 | #endif | |
5197424c OZ |
1276 | |
1277 | #ifdef CONFIG_TOUCHSCREEN_USB_NEXIO | |
1278 | [DEVTYPE_NEXIO] = { | |
388bbcad | 1279 | .rept_size = 1024, |
5197424c OZ |
1280 | .irq_always = true, |
1281 | .read_data = nexio_read_data, | |
a8aef622 | 1282 | .alloc = nexio_alloc, |
5197424c OZ |
1283 | .init = nexio_init, |
1284 | .exit = nexio_exit, | |
1285 | }, | |
1286 | #endif | |
aa87512f AV |
1287 | #ifdef CONFIG_TOUCHSCREEN_USB_EASYTOUCH |
1288 | [DEVTYPE_ETOUCH] = { | |
1289 | .min_xc = 0x0, | |
1290 | .max_xc = 0x07ff, | |
1291 | .min_yc = 0x0, | |
1292 | .max_yc = 0x07ff, | |
1293 | .rept_size = 16, | |
1294 | .process_pkt = usbtouch_process_multi, | |
1295 | .get_pkt_len = etouch_get_pkt_len, | |
1296 | .read_data = etouch_read_data, | |
1297 | }, | |
1298 | #endif | |
1d3e2023 DR |
1299 | }; |
1300 | ||
1301 | ||
1302 | /***************************************************************************** | |
1303 | * Generic Part | |
1304 | */ | |
1305 | static void usbtouch_process_pkt(struct usbtouch_usb *usbtouch, | |
7d12e780 | 1306 | unsigned char *pkt, int len) |
1d3e2023 | 1307 | { |
1d3e2023 DR |
1308 | struct usbtouch_device_info *type = usbtouch->type; |
1309 | ||
c9d8c2b3 | 1310 | if (!type->read_data(usbtouch, pkt)) |
1d3e2023 DR |
1311 | return; |
1312 | ||
c9d8c2b3 | 1313 | input_report_key(usbtouch->input, BTN_TOUCH, usbtouch->touch); |
1d3e2023 DR |
1314 | |
1315 | if (swap_xy) { | |
c9d8c2b3 DR |
1316 | input_report_abs(usbtouch->input, ABS_X, usbtouch->y); |
1317 | input_report_abs(usbtouch->input, ABS_Y, usbtouch->x); | |
1d3e2023 | 1318 | } else { |
c9d8c2b3 DR |
1319 | input_report_abs(usbtouch->input, ABS_X, usbtouch->x); |
1320 | input_report_abs(usbtouch->input, ABS_Y, usbtouch->y); | |
1d3e2023 DR |
1321 | } |
1322 | if (type->max_press) | |
c9d8c2b3 | 1323 | input_report_abs(usbtouch->input, ABS_PRESSURE, usbtouch->press); |
1d3e2023 DR |
1324 | input_sync(usbtouch->input); |
1325 | } | |
1326 | ||
1327 | ||
5d892665 DR |
1328 | #ifdef MULTI_PACKET |
1329 | static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, | |
5d892665 DR |
1330 | unsigned char *pkt, int len) |
1331 | { | |
1332 | unsigned char *buffer; | |
1333 | int pkt_len, pos, buf_len, tmp; | |
1334 | ||
1335 | /* process buffer */ | |
1336 | if (unlikely(usbtouch->buf_len)) { | |
1337 | /* try to get size */ | |
1338 | pkt_len = usbtouch->type->get_pkt_len( | |
1339 | usbtouch->buffer, usbtouch->buf_len); | |
1340 | ||
1341 | /* drop? */ | |
1342 | if (unlikely(!pkt_len)) | |
1343 | goto out_flush_buf; | |
1344 | ||
1345 | /* need to append -pkt_len bytes before able to get size */ | |
1346 | if (unlikely(pkt_len < 0)) { | |
1347 | int append = -pkt_len; | |
1348 | if (unlikely(append > len)) | |
1349 | append = len; | |
1350 | if (usbtouch->buf_len + append >= usbtouch->type->rept_size) | |
1351 | goto out_flush_buf; | |
1352 | memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, append); | |
1353 | usbtouch->buf_len += append; | |
1354 | ||
1355 | pkt_len = usbtouch->type->get_pkt_len( | |
1356 | usbtouch->buffer, usbtouch->buf_len); | |
1357 | if (pkt_len < 0) | |
1358 | return; | |
1359 | } | |
1360 | ||
1361 | /* append */ | |
1362 | tmp = pkt_len - usbtouch->buf_len; | |
1363 | if (usbtouch->buf_len + tmp >= usbtouch->type->rept_size) | |
1364 | goto out_flush_buf; | |
1365 | memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, tmp); | |
7d12e780 | 1366 | usbtouch_process_pkt(usbtouch, usbtouch->buffer, pkt_len); |
5d892665 DR |
1367 | |
1368 | buffer = pkt + tmp; | |
1369 | buf_len = len - tmp; | |
1370 | } else { | |
1371 | buffer = pkt; | |
1372 | buf_len = len; | |
1373 | } | |
1374 | ||
1375 | /* loop over the received packet, process */ | |
1376 | pos = 0; | |
1377 | while (pos < buf_len) { | |
1378 | /* get packet len */ | |
62aa366d DR |
1379 | pkt_len = usbtouch->type->get_pkt_len(buffer + pos, |
1380 | buf_len - pos); | |
5d892665 | 1381 | |
62aa366d DR |
1382 | /* unknown packet: skip one byte */ |
1383 | if (unlikely(!pkt_len)) { | |
1384 | pos++; | |
1385 | continue; | |
1386 | } | |
5d892665 DR |
1387 | |
1388 | /* full packet: process */ | |
1389 | if (likely((pkt_len > 0) && (pkt_len <= buf_len - pos))) { | |
7d12e780 | 1390 | usbtouch_process_pkt(usbtouch, buffer + pos, pkt_len); |
5d892665 DR |
1391 | } else { |
1392 | /* incomplete packet: save in buffer */ | |
1393 | memcpy(usbtouch->buffer, buffer + pos, buf_len - pos); | |
1394 | usbtouch->buf_len = buf_len - pos; | |
1395 | return; | |
1396 | } | |
1397 | pos += pkt_len; | |
1398 | } | |
1399 | ||
1400 | out_flush_buf: | |
1401 | usbtouch->buf_len = 0; | |
1402 | return; | |
1403 | } | |
1404 | #endif | |
1405 | ||
1406 | ||
7d12e780 | 1407 | static void usbtouch_irq(struct urb *urb) |
1d3e2023 DR |
1408 | { |
1409 | struct usbtouch_usb *usbtouch = urb->context; | |
0a5ebc88 | 1410 | struct device *dev = &usbtouch->interface->dev; |
1d3e2023 DR |
1411 | int retval; |
1412 | ||
1413 | switch (urb->status) { | |
1414 | case 0: | |
1415 | /* success */ | |
1416 | break; | |
38e2bfc9 | 1417 | case -ETIME: |
1d3e2023 | 1418 | /* this urb is timing out */ |
b741ab9d GKH |
1419 | dev_dbg(dev, |
1420 | "%s - urb timed out - was the device unplugged?\n", | |
1421 | __func__); | |
1d3e2023 DR |
1422 | return; |
1423 | case -ECONNRESET: | |
1424 | case -ENOENT: | |
1425 | case -ESHUTDOWN: | |
5197424c | 1426 | case -EPIPE: |
1d3e2023 | 1427 | /* this urb is terminated, clean up */ |
b741ab9d GKH |
1428 | dev_dbg(dev, "%s - urb shutting down with status: %d\n", |
1429 | __func__, urb->status); | |
1d3e2023 DR |
1430 | return; |
1431 | default: | |
b741ab9d GKH |
1432 | dev_dbg(dev, "%s - nonzero urb status received: %d\n", |
1433 | __func__, urb->status); | |
1d3e2023 DR |
1434 | goto exit; |
1435 | } | |
1436 | ||
7d12e780 | 1437 | usbtouch->type->process_pkt(usbtouch, usbtouch->data, urb->actual_length); |
1d3e2023 DR |
1438 | |
1439 | exit: | |
5d9efc59 | 1440 | usb_mark_last_busy(interface_to_usbdev(usbtouch->interface)); |
1d3e2023 DR |
1441 | retval = usb_submit_urb(urb, GFP_ATOMIC); |
1442 | if (retval) | |
0a5ebc88 | 1443 | dev_err(dev, "%s - usb_submit_urb failed with result: %d\n", |
e27ad0fe | 1444 | __func__, retval); |
1d3e2023 DR |
1445 | } |
1446 | ||
1447 | static int usbtouch_open(struct input_dev *input) | |
1448 | { | |
7791bdae | 1449 | struct usbtouch_usb *usbtouch = input_get_drvdata(input); |
5d9efc59 | 1450 | int r; |
1d3e2023 | 1451 | |
fea4d14b | 1452 | usbtouch->irq->dev = interface_to_usbdev(usbtouch->interface); |
1d3e2023 | 1453 | |
5d9efc59 ON |
1454 | r = usb_autopm_get_interface(usbtouch->interface) ? -EIO : 0; |
1455 | if (r < 0) | |
1456 | goto out; | |
1457 | ||
2330ed18 | 1458 | if (!usbtouch->type->irq_always) { |
5d9efc59 ON |
1459 | if (usb_submit_urb(usbtouch->irq, GFP_KERNEL)) { |
1460 | r = -EIO; | |
1461 | goto out_put; | |
1462 | } | |
2330ed18 | 1463 | } |
1d3e2023 | 1464 | |
5d9efc59 ON |
1465 | usbtouch->interface->needs_remote_wakeup = 1; |
1466 | out_put: | |
1467 | usb_autopm_put_interface(usbtouch->interface); | |
1468 | out: | |
1469 | return r; | |
1d3e2023 DR |
1470 | } |
1471 | ||
1472 | static void usbtouch_close(struct input_dev *input) | |
1473 | { | |
7791bdae | 1474 | struct usbtouch_usb *usbtouch = input_get_drvdata(input); |
5d9efc59 | 1475 | int r; |
1d3e2023 | 1476 | |
2330ed18 DS |
1477 | if (!usbtouch->type->irq_always) |
1478 | usb_kill_urb(usbtouch->irq); | |
5d9efc59 ON |
1479 | r = usb_autopm_get_interface(usbtouch->interface); |
1480 | usbtouch->interface->needs_remote_wakeup = 0; | |
1481 | if (!r) | |
1482 | usb_autopm_put_interface(usbtouch->interface); | |
1d3e2023 DR |
1483 | } |
1484 | ||
ed4299e1 ON |
1485 | static int usbtouch_suspend |
1486 | (struct usb_interface *intf, pm_message_t message) | |
1487 | { | |
1488 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1489 | ||
1490 | usb_kill_urb(usbtouch->irq); | |
1491 | ||
1492 | return 0; | |
1493 | } | |
1494 | ||
1495 | static int usbtouch_resume(struct usb_interface *intf) | |
1496 | { | |
1497 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1498 | struct input_dev *input = usbtouch->input; | |
1499 | int result = 0; | |
1500 | ||
1501 | mutex_lock(&input->mutex); | |
1502 | if (input->users || usbtouch->type->irq_always) | |
1503 | result = usb_submit_urb(usbtouch->irq, GFP_NOIO); | |
1504 | mutex_unlock(&input->mutex); | |
1505 | ||
1506 | return result; | |
1507 | } | |
1d3e2023 | 1508 | |
a8aef622 ON |
1509 | static int usbtouch_reset_resume(struct usb_interface *intf) |
1510 | { | |
1511 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1512 | struct input_dev *input = usbtouch->input; | |
1513 | int err = 0; | |
1514 | ||
1515 | /* reinit the device */ | |
1516 | if (usbtouch->type->init) { | |
1517 | err = usbtouch->type->init(usbtouch); | |
1518 | if (err) { | |
0a5ebc88 | 1519 | dev_dbg(&intf->dev, |
b741ab9d GKH |
1520 | "%s - type->init() failed, err: %d\n", |
1521 | __func__, err); | |
a8aef622 ON |
1522 | return err; |
1523 | } | |
1524 | } | |
1525 | ||
1526 | /* restart IO if needed */ | |
1527 | mutex_lock(&input->mutex); | |
1528 | if (input->users) | |
1529 | err = usb_submit_urb(usbtouch->irq, GFP_NOIO); | |
1530 | mutex_unlock(&input->mutex); | |
1531 | ||
1532 | return err; | |
1533 | } | |
1534 | ||
1d3e2023 DR |
1535 | static void usbtouch_free_buffers(struct usb_device *udev, |
1536 | struct usbtouch_usb *usbtouch) | |
1537 | { | |
4ef38351 | 1538 | usb_free_coherent(udev, usbtouch->data_size, |
997ea58e | 1539 | usbtouch->data, usbtouch->data_dma); |
1d3e2023 DR |
1540 | kfree(usbtouch->buffer); |
1541 | } | |
1542 | ||
f4a5e359 OZ |
1543 | static struct usb_endpoint_descriptor * |
1544 | usbtouch_get_input_endpoint(struct usb_host_interface *interface) | |
1545 | { | |
1546 | int i; | |
1547 | ||
1548 | for (i = 0; i < interface->desc.bNumEndpoints; i++) | |
1549 | if (usb_endpoint_dir_in(&interface->endpoint[i].desc)) | |
1550 | return &interface->endpoint[i].desc; | |
1551 | ||
1552 | return NULL; | |
1553 | } | |
1d3e2023 DR |
1554 | |
1555 | static int usbtouch_probe(struct usb_interface *intf, | |
1556 | const struct usb_device_id *id) | |
1557 | { | |
1558 | struct usbtouch_usb *usbtouch; | |
1559 | struct input_dev *input_dev; | |
1d3e2023 DR |
1560 | struct usb_endpoint_descriptor *endpoint; |
1561 | struct usb_device *udev = interface_to_usbdev(intf); | |
1562 | struct usbtouch_device_info *type; | |
5d892665 | 1563 | int err = -ENOMEM; |
ec42d448 DR |
1564 | |
1565 | /* some devices are ignored */ | |
1566 | if (id->driver_info == DEVTYPE_IGNORE) | |
1567 | return -ENODEV; | |
1d3e2023 | 1568 | |
f4a5e359 OZ |
1569 | endpoint = usbtouch_get_input_endpoint(intf->cur_altsetting); |
1570 | if (!endpoint) | |
1571 | return -ENXIO; | |
1d3e2023 DR |
1572 | |
1573 | usbtouch = kzalloc(sizeof(struct usbtouch_usb), GFP_KERNEL); | |
1574 | input_dev = input_allocate_device(); | |
1575 | if (!usbtouch || !input_dev) | |
1576 | goto out_free; | |
1577 | ||
1578 | type = &usbtouch_dev_info[id->driver_info]; | |
1579 | usbtouch->type = type; | |
1580 | if (!type->process_pkt) | |
1581 | type->process_pkt = usbtouch_process_pkt; | |
1582 | ||
4ef38351 CE |
1583 | usbtouch->data_size = type->rept_size; |
1584 | if (type->get_pkt_len) { | |
1585 | /* | |
1586 | * When dealing with variable-length packets we should | |
1587 | * not request more than wMaxPacketSize bytes at once | |
1588 | * as we do not know if there is more data coming or | |
1589 | * we filled exactly wMaxPacketSize bytes and there is | |
1590 | * nothing else. | |
1591 | */ | |
1592 | usbtouch->data_size = min(usbtouch->data_size, | |
1593 | usb_endpoint_maxp(endpoint)); | |
1594 | } | |
1595 | ||
1596 | usbtouch->data = usb_alloc_coherent(udev, usbtouch->data_size, | |
997ea58e | 1597 | GFP_KERNEL, &usbtouch->data_dma); |
1d3e2023 DR |
1598 | if (!usbtouch->data) |
1599 | goto out_free; | |
1600 | ||
62aa366d | 1601 | if (type->get_pkt_len) { |
1d3e2023 DR |
1602 | usbtouch->buffer = kmalloc(type->rept_size, GFP_KERNEL); |
1603 | if (!usbtouch->buffer) | |
1604 | goto out_free_buffers; | |
1605 | } | |
1606 | ||
1607 | usbtouch->irq = usb_alloc_urb(0, GFP_KERNEL); | |
1608 | if (!usbtouch->irq) { | |
b741ab9d GKH |
1609 | dev_dbg(&intf->dev, |
1610 | "%s - usb_alloc_urb failed: usbtouch->irq\n", __func__); | |
1d3e2023 DR |
1611 | goto out_free_buffers; |
1612 | } | |
1613 | ||
fea4d14b | 1614 | usbtouch->interface = intf; |
1d3e2023 DR |
1615 | usbtouch->input = input_dev; |
1616 | ||
1617 | if (udev->manufacturer) | |
1618 | strlcpy(usbtouch->name, udev->manufacturer, sizeof(usbtouch->name)); | |
1619 | ||
1620 | if (udev->product) { | |
1621 | if (udev->manufacturer) | |
1622 | strlcat(usbtouch->name, " ", sizeof(usbtouch->name)); | |
1623 | strlcat(usbtouch->name, udev->product, sizeof(usbtouch->name)); | |
1624 | } | |
1625 | ||
1626 | if (!strlen(usbtouch->name)) | |
1627 | snprintf(usbtouch->name, sizeof(usbtouch->name), | |
1628 | "USB Touchscreen %04x:%04x", | |
1629 | le16_to_cpu(udev->descriptor.idVendor), | |
1630 | le16_to_cpu(udev->descriptor.idProduct)); | |
1631 | ||
1632 | usb_make_path(udev, usbtouch->phys, sizeof(usbtouch->phys)); | |
7b6dff98 | 1633 | strlcat(usbtouch->phys, "/input0", sizeof(usbtouch->phys)); |
1d3e2023 DR |
1634 | |
1635 | input_dev->name = usbtouch->name; | |
1636 | input_dev->phys = usbtouch->phys; | |
1637 | usb_to_input_id(udev, &input_dev->id); | |
c0f82d57 | 1638 | input_dev->dev.parent = &intf->dev; |
7791bdae DT |
1639 | |
1640 | input_set_drvdata(input_dev, usbtouch); | |
1641 | ||
1d3e2023 DR |
1642 | input_dev->open = usbtouch_open; |
1643 | input_dev->close = usbtouch_close; | |
1644 | ||
7b19ada2 JS |
1645 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); |
1646 | input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); | |
1d3e2023 DR |
1647 | input_set_abs_params(input_dev, ABS_X, type->min_xc, type->max_xc, 0, 0); |
1648 | input_set_abs_params(input_dev, ABS_Y, type->min_yc, type->max_yc, 0, 0); | |
1649 | if (type->max_press) | |
1650 | input_set_abs_params(input_dev, ABS_PRESSURE, type->min_press, | |
1651 | type->max_press, 0, 0); | |
1652 | ||
5197424c OZ |
1653 | if (usb_endpoint_type(endpoint) == USB_ENDPOINT_XFER_INT) |
1654 | usb_fill_int_urb(usbtouch->irq, udev, | |
fea4d14b | 1655 | usb_rcvintpipe(udev, endpoint->bEndpointAddress), |
4ef38351 | 1656 | usbtouch->data, usbtouch->data_size, |
1d3e2023 | 1657 | usbtouch_irq, usbtouch, endpoint->bInterval); |
5197424c OZ |
1658 | else |
1659 | usb_fill_bulk_urb(usbtouch->irq, udev, | |
1660 | usb_rcvbulkpipe(udev, endpoint->bEndpointAddress), | |
4ef38351 | 1661 | usbtouch->data, usbtouch->data_size, |
5197424c | 1662 | usbtouch_irq, usbtouch); |
1d3e2023 | 1663 | |
fea4d14b | 1664 | usbtouch->irq->dev = udev; |
1d3e2023 DR |
1665 | usbtouch->irq->transfer_dma = usbtouch->data_dma; |
1666 | usbtouch->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | |
1667 | ||
a8aef622 ON |
1668 | /* device specific allocations */ |
1669 | if (type->alloc) { | |
1670 | err = type->alloc(usbtouch); | |
1671 | if (err) { | |
b741ab9d GKH |
1672 | dev_dbg(&intf->dev, |
1673 | "%s - type->alloc() failed, err: %d\n", | |
1674 | __func__, err); | |
a8aef622 ON |
1675 | goto out_free_urb; |
1676 | } | |
1677 | } | |
1678 | ||
1679 | /* device specific initialisation*/ | |
1d3e2023 DR |
1680 | if (type->init) { |
1681 | err = type->init(usbtouch); | |
1682 | if (err) { | |
b741ab9d GKH |
1683 | dev_dbg(&intf->dev, |
1684 | "%s - type->init() failed, err: %d\n", | |
1685 | __func__, err); | |
a8aef622 | 1686 | goto out_do_exit; |
1d3e2023 DR |
1687 | } |
1688 | } | |
1689 | ||
1690 | err = input_register_device(usbtouch->input); | |
1691 | if (err) { | |
b741ab9d GKH |
1692 | dev_dbg(&intf->dev, |
1693 | "%s - input_register_device failed, err: %d\n", | |
1694 | __func__, err); | |
5197424c | 1695 | goto out_do_exit; |
1d3e2023 DR |
1696 | } |
1697 | ||
1698 | usb_set_intfdata(intf, usbtouch); | |
1699 | ||
1e87a430 | 1700 | if (usbtouch->type->irq_always) { |
5d9efc59 ON |
1701 | /* this can't fail */ |
1702 | usb_autopm_get_interface(intf); | |
1e87a430 OZ |
1703 | err = usb_submit_urb(usbtouch->irq, GFP_KERNEL); |
1704 | if (err) { | |
5d9efc59 | 1705 | usb_autopm_put_interface(intf); |
0a5ebc88 | 1706 | dev_err(&intf->dev, |
e27ad0fe GKH |
1707 | "%s - usb_submit_urb failed with result: %d\n", |
1708 | __func__, err); | |
1e87a430 OZ |
1709 | goto out_unregister_input; |
1710 | } | |
1711 | } | |
2330ed18 | 1712 | |
1d3e2023 DR |
1713 | return 0; |
1714 | ||
1e87a430 OZ |
1715 | out_unregister_input: |
1716 | input_unregister_device(input_dev); | |
1717 | input_dev = NULL; | |
5197424c OZ |
1718 | out_do_exit: |
1719 | if (type->exit) | |
1720 | type->exit(usbtouch); | |
1e87a430 OZ |
1721 | out_free_urb: |
1722 | usb_free_urb(usbtouch->irq); | |
1d3e2023 DR |
1723 | out_free_buffers: |
1724 | usbtouch_free_buffers(udev, usbtouch); | |
1725 | out_free: | |
1726 | input_free_device(input_dev); | |
1727 | kfree(usbtouch); | |
5d892665 | 1728 | return err; |
1d3e2023 DR |
1729 | } |
1730 | ||
1731 | static void usbtouch_disconnect(struct usb_interface *intf) | |
1732 | { | |
1733 | struct usbtouch_usb *usbtouch = usb_get_intfdata(intf); | |
1734 | ||
1d3e2023 DR |
1735 | if (!usbtouch) |
1736 | return; | |
1737 | ||
0a5ebc88 | 1738 | dev_dbg(&intf->dev, |
b741ab9d GKH |
1739 | "%s - usbtouch is initialized, cleaning up\n", __func__); |
1740 | ||
1d3e2023 | 1741 | usb_set_intfdata(intf, NULL); |
722232bc | 1742 | /* this will stop IO via close */ |
1d3e2023 DR |
1743 | input_unregister_device(usbtouch->input); |
1744 | usb_free_urb(usbtouch->irq); | |
5197424c OZ |
1745 | if (usbtouch->type->exit) |
1746 | usbtouch->type->exit(usbtouch); | |
1d3e2023 DR |
1747 | usbtouch_free_buffers(interface_to_usbdev(intf), usbtouch); |
1748 | kfree(usbtouch); | |
1749 | } | |
1750 | ||
1751 | MODULE_DEVICE_TABLE(usb, usbtouch_devices); | |
1752 | ||
1753 | static struct usb_driver usbtouch_driver = { | |
1754 | .name = "usbtouchscreen", | |
1755 | .probe = usbtouch_probe, | |
1756 | .disconnect = usbtouch_disconnect, | |
ed4299e1 ON |
1757 | .suspend = usbtouch_suspend, |
1758 | .resume = usbtouch_resume, | |
a8aef622 | 1759 | .reset_resume = usbtouch_reset_resume, |
1d3e2023 | 1760 | .id_table = usbtouch_devices, |
5d9efc59 | 1761 | .supports_autosuspend = 1, |
1d3e2023 DR |
1762 | }; |
1763 | ||
08642e7c | 1764 | module_usb_driver(usbtouch_driver); |
1d3e2023 DR |
1765 | |
1766 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1767 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1768 | MODULE_LICENSE("GPL"); | |
1769 | ||
1770 | MODULE_ALIAS("touchkitusb"); | |
1771 | MODULE_ALIAS("itmtouch"); | |
1772 | MODULE_ALIAS("mtouchusb"); |