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Linux/drivers/input/joystick/xpad.c

  1 /*
  2  * X-Box gamepad driver
  3  *
  4  * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
  5  *               2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>,
  6  *                    Steven Toth <steve@toth.demon.co.uk>,
  7  *                    Franz Lehner <franz@caos.at>,
  8  *                    Ivan Hawkes <blackhawk@ivanhawkes.com>
  9  *               2005 Dominic Cerquetti <binary1230@yahoo.com>
 10  *               2006 Adam Buchbinder <adam.buchbinder@gmail.com>
 11  *               2007 Jan Kratochvil <honza@jikos.cz>
 12  *               2010 Christoph Fritz <chf.fritz@googlemail.com>
 13  *
 14  * This program is free software; you can redistribute it and/or
 15  * modify it under the terms of the GNU General Public License as
 16  * published by the Free Software Foundation; either version 2 of
 17  * the License, or (at your option) any later version.
 18  *
 19  * This program is distributed in the hope that it will be useful,
 20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 22  * GNU General Public License for more details.
 23  *
 24  * You should have received a copy of the GNU General Public License
 25  * along with this program; if not, write to the Free Software
 26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 27  *
 28  *
 29  * This driver is based on:
 30  *  - information from     http://euc.jp/periphs/xbox-controller.ja.html
 31  *  - the iForce driver    drivers/char/joystick/iforce.c
 32  *  - the skeleton-driver  drivers/usb/usb-skeleton.c
 33  *  - Xbox 360 information http://www.free60.org/wiki/Gamepad
 34  *
 35  * Thanks to:
 36  *  - ITO Takayuki for providing essential xpad information on his website
 37  *  - Vojtech Pavlik     - iforce driver / input subsystem
 38  *  - Greg Kroah-Hartman - usb-skeleton driver
 39  *  - XBOX Linux project - extra USB id's
 40  *
 41  * TODO:
 42  *  - fine tune axes (especially trigger axes)
 43  *  - fix "analog" buttons (reported as digital now)
 44  *  - get rumble working
 45  *  - need USB IDs for other dance pads
 46  *
 47  * History:
 48  *
 49  * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller"
 50  *
 51  * 2002-07-02 - 0.0.2 : basic working version
 52  *  - all axes and 9 of the 10 buttons work (german InterAct device)
 53  *  - the black button does not work
 54  *
 55  * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik
 56  *  - indentation fixes
 57  *  - usb + input init sequence fixes
 58  *
 59  * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3
 60  *  - verified the lack of HID and report descriptors
 61  *  - verified that ALL buttons WORK
 62  *  - fixed d-pad to axes mapping
 63  *
 64  * 2002-07-17 - 0.0.5 : simplified d-pad handling
 65  *
 66  * 2004-10-02 - 0.0.6 : DDR pad support
 67  *  - borrowed from the XBOX linux kernel
 68  *  - USB id's for commonly used dance pads are present
 69  *  - dance pads will map D-PAD to buttons, not axes
 70  *  - pass the module paramater 'dpad_to_buttons' to force
 71  *    the D-PAD to map to buttons if your pad is not detected
 72  *
 73  * Later changes can be tracked in SCM.
 74  */
 75 
 76 #include <linux/kernel.h>
 77 #include <linux/slab.h>
 78 #include <linux/stat.h>
 79 #include <linux/module.h>
 80 #include <linux/usb/input.h>
 81 
 82 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>"
 83 #define DRIVER_DESC "X-Box pad driver"
 84 
 85 #define XPAD_PKT_LEN 32
 86 
 87 /* xbox d-pads should map to buttons, as is required for DDR pads
 88    but we map them to axes when possible to simplify things */
 89 #define MAP_DPAD_TO_BUTTONS             (1 << 0)
 90 #define MAP_TRIGGERS_TO_BUTTONS         (1 << 1)
 91 #define MAP_STICKS_TO_NULL              (1 << 2)
 92 #define DANCEPAD_MAP_CONFIG     (MAP_DPAD_TO_BUTTONS |                  \
 93                                 MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)
 94 
 95 #define XTYPE_XBOX        0
 96 #define XTYPE_XBOX360     1
 97 #define XTYPE_XBOX360W    2
 98 #define XTYPE_UNKNOWN     3
 99 
100 static bool dpad_to_buttons;
101 module_param(dpad_to_buttons, bool, S_IRUGO);
102 MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads");
103 
104 static bool triggers_to_buttons;
105 module_param(triggers_to_buttons, bool, S_IRUGO);
106 MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads");
107 
108 static bool sticks_to_null;
109 module_param(sticks_to_null, bool, S_IRUGO);
110 MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");
111 
112 static const struct xpad_device {
113         u16 idVendor;
114         u16 idProduct;
115         char *name;
116         u8 mapping;
117         u8 xtype;
118 } xpad_device[] = {
119         { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX },
120         { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX },
121         { 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
122         { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX },
123         { 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
124         { 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
125         { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
126         { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
127         { 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 },
128         { 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 },
129         { 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
130         { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
131         { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX },
132         { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
133         { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX },
134         { 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX },
135         { 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX },
136         { 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
137         { 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX },
138         { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
139         { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX },
140         { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
141         { 0x0738, 0x4728, "Mad Catz Street Fighter IV FightPad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
142         { 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
143         { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
144         { 0x0738, 0xbeef, "Mad Catz JOYTECH NEO SE Advanced GamePad", XTYPE_XBOX360 },
145         { 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
146         { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX },
147         { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX },
148         { 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
149         { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
150         { 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
151         { 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
152         { 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
153         { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX },
154         { 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX },
155         { 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX },
156         { 0x0e6f, 0x0105, "HSM3 Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
157         { 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
158         { 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
159         { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX },
160         { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
161         { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
162         { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
163         { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
164         { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX },
165         { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
166         { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
167         { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 },
168         { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
169         { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
170         { 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 },
171         { 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 },
172         { 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
173         { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
174         { 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
175         { 0x1bad, 0xf028, "Street Fighter IV FightPad", 0, XTYPE_XBOX360 },
176         { 0x1bad, 0xf901, "Gamestop Xbox 360 Controller", 0, XTYPE_XBOX360 },
177         { 0x1bad, 0xf903, "Tron Xbox 360 controller", 0, XTYPE_XBOX360 },
178         { 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 },
179         { 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
180         { 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
181 };
182 
183 /* buttons shared with xbox and xbox360 */
184 static const signed short xpad_common_btn[] = {
185         BTN_A, BTN_B, BTN_X, BTN_Y,                     /* "analog" buttons */
186         BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR,  /* start/back/sticks */
187         -1                                              /* terminating entry */
188 };
189 
190 /* original xbox controllers only */
191 static const signed short xpad_btn[] = {
192         BTN_C, BTN_Z,           /* "analog" buttons */
193         -1                      /* terminating entry */
194 };
195 
196 /* used when dpad is mapped to buttons */
197 static const signed short xpad_btn_pad[] = {
198         BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2,         /* d-pad left, right */
199         BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4,         /* d-pad up, down */
200         -1                              /* terminating entry */
201 };
202 
203 /* used when triggers are mapped to buttons */
204 static const signed short xpad_btn_triggers[] = {
205         BTN_TL2, BTN_TR2,               /* triggers left/right */
206         -1
207 };
208 
209 
210 static const signed short xpad360_btn[] = {  /* buttons for x360 controller */
211         BTN_TL, BTN_TR,         /* Button LB/RB */
212         BTN_MODE,               /* The big X button */
213         -1
214 };
215 
216 static const signed short xpad_abs[] = {
217         ABS_X, ABS_Y,           /* left stick */
218         ABS_RX, ABS_RY,         /* right stick */
219         -1                      /* terminating entry */
220 };
221 
222 /* used when dpad is mapped to axes */
223 static const signed short xpad_abs_pad[] = {
224         ABS_HAT0X, ABS_HAT0Y,   /* d-pad axes */
225         -1                      /* terminating entry */
226 };
227 
228 /* used when triggers are mapped to axes */
229 static const signed short xpad_abs_triggers[] = {
230         ABS_Z, ABS_RZ,          /* triggers left/right */
231         -1
232 };
233 
234 /* Xbox 360 has a vendor-specific class, so we cannot match it with only
235  * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we
236  * match against vendor id as well. Wired Xbox 360 devices have protocol 1,
237  * wireless controllers have protocol 129. */
238 #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \
239         .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
240         .idVendor = (vend), \
241         .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
242         .bInterfaceSubClass = 93, \
243         .bInterfaceProtocol = (pr)
244 #define XPAD_XBOX360_VENDOR(vend) \
245         { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \
246         { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) }
247 
248 static struct usb_device_id xpad_table[] = {
249         { USB_INTERFACE_INFO('X', 'B', 0) },    /* X-Box USB-IF not approved class */
250         XPAD_XBOX360_VENDOR(0x045e),            /* Microsoft X-Box 360 controllers */
251         XPAD_XBOX360_VENDOR(0x046d),            /* Logitech X-Box 360 style controllers */
252         XPAD_XBOX360_VENDOR(0x0738),            /* Mad Catz X-Box 360 controllers */
253         { USB_DEVICE(0x0738, 0x4540) },         /* Mad Catz Beat Pad */
254         XPAD_XBOX360_VENDOR(0x0e6f),            /* 0x0e6f X-Box 360 controllers */
255         XPAD_XBOX360_VENDOR(0x12ab),            /* X-Box 360 dance pads */
256         XPAD_XBOX360_VENDOR(0x1430),            /* RedOctane X-Box 360 controllers */
257         XPAD_XBOX360_VENDOR(0x146b),            /* BigBen Interactive Controllers */
258         XPAD_XBOX360_VENDOR(0x1bad),            /* Harminix Rock Band Guitar and Drums */
259         XPAD_XBOX360_VENDOR(0x0f0d),            /* Hori Controllers */
260         XPAD_XBOX360_VENDOR(0x1689),            /* Razer Onza */
261         XPAD_XBOX360_VENDOR(0x24c6),            /* PowerA Controllers */
262         { }
263 };
264 
265 MODULE_DEVICE_TABLE(usb, xpad_table);
266 
267 struct usb_xpad {
268         struct input_dev *dev;          /* input device interface */
269         struct usb_device *udev;        /* usb device */
270         struct usb_interface *intf;     /* usb interface */
271 
272         int pad_present;
273 
274         struct urb *irq_in;             /* urb for interrupt in report */
275         unsigned char *idata;           /* input data */
276         dma_addr_t idata_dma;
277 
278         struct urb *bulk_out;
279         unsigned char *bdata;
280 
281 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
282         struct urb *irq_out;            /* urb for interrupt out report */
283         unsigned char *odata;           /* output data */
284         dma_addr_t odata_dma;
285         struct mutex odata_mutex;
286 #endif
287 
288 #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
289         struct xpad_led *led;
290 #endif
291 
292         char phys[64];                  /* physical device path */
293 
294         int mapping;                    /* map d-pad to buttons or to axes */
295         int xtype;                      /* type of xbox device */
296 };
297 
298 /*
299  *      xpad_process_packet
300  *
301  *      Completes a request by converting the data into events for the
302  *      input subsystem.
303  *
304  *      The used report descriptor was taken from ITO Takayukis website:
305  *       http://euc.jp/periphs/xbox-controller.ja.html
306  */
307 
308 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
309 {
310         struct input_dev *dev = xpad->dev;
311 
312         if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
313                 /* left stick */
314                 input_report_abs(dev, ABS_X,
315                                  (__s16) le16_to_cpup((__le16 *)(data + 12)));
316                 input_report_abs(dev, ABS_Y,
317                                  ~(__s16) le16_to_cpup((__le16 *)(data + 14)));
318 
319                 /* right stick */
320                 input_report_abs(dev, ABS_RX,
321                                  (__s16) le16_to_cpup((__le16 *)(data + 16)));
322                 input_report_abs(dev, ABS_RY,
323                                  ~(__s16) le16_to_cpup((__le16 *)(data + 18)));
324         }
325 
326         /* triggers left/right */
327         if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
328                 input_report_key(dev, BTN_TL2, data[10]);
329                 input_report_key(dev, BTN_TR2, data[11]);
330         } else {
331                 input_report_abs(dev, ABS_Z, data[10]);
332                 input_report_abs(dev, ABS_RZ, data[11]);
333         }
334 
335         /* digital pad */
336         if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
337                 /* dpad as buttons (left, right, up, down) */
338                 input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
339                 input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
340                 input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
341                 input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
342         } else {
343                 input_report_abs(dev, ABS_HAT0X,
344                                  !!(data[2] & 0x08) - !!(data[2] & 0x04));
345                 input_report_abs(dev, ABS_HAT0Y,
346                                  !!(data[2] & 0x02) - !!(data[2] & 0x01));
347         }
348 
349         /* start/back buttons and stick press left/right */
350         input_report_key(dev, BTN_START,  data[2] & 0x10);
351         input_report_key(dev, BTN_SELECT, data[2] & 0x20);
352         input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
353         input_report_key(dev, BTN_THUMBR, data[2] & 0x80);
354 
355         /* "analog" buttons A, B, X, Y */
356         input_report_key(dev, BTN_A, data[4]);
357         input_report_key(dev, BTN_B, data[5]);
358         input_report_key(dev, BTN_X, data[6]);
359         input_report_key(dev, BTN_Y, data[7]);
360 
361         /* "analog" buttons black, white */
362         input_report_key(dev, BTN_C, data[8]);
363         input_report_key(dev, BTN_Z, data[9]);
364 
365         input_sync(dev);
366 }
367 
368 /*
369  *      xpad360_process_packet
370  *
371  *      Completes a request by converting the data into events for the
372  *      input subsystem. It is version for xbox 360 controller
373  *
374  *      The used report descriptor was taken from:
375  *              http://www.free60.org/wiki/Gamepad
376  */
377 
378 static void xpad360_process_packet(struct usb_xpad *xpad,
379                                    u16 cmd, unsigned char *data)
380 {
381         struct input_dev *dev = xpad->dev;
382 
383         /* digital pad */
384         if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
385                 /* dpad as buttons (left, right, up, down) */
386                 input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
387                 input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
388                 input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
389                 input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
390         } else {
391                 input_report_abs(dev, ABS_HAT0X,
392                                  !!(data[2] & 0x08) - !!(data[2] & 0x04));
393                 input_report_abs(dev, ABS_HAT0Y,
394                                  !!(data[2] & 0x02) - !!(data[2] & 0x01));
395         }
396 
397         /* start/back buttons */
398         input_report_key(dev, BTN_START,  data[2] & 0x10);
399         input_report_key(dev, BTN_SELECT, data[2] & 0x20);
400 
401         /* stick press left/right */
402         input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
403         input_report_key(dev, BTN_THUMBR, data[2] & 0x80);
404 
405         /* buttons A,B,X,Y,TL,TR and MODE */
406         input_report_key(dev, BTN_A,    data[3] & 0x10);
407         input_report_key(dev, BTN_B,    data[3] & 0x20);
408         input_report_key(dev, BTN_X,    data[3] & 0x40);
409         input_report_key(dev, BTN_Y,    data[3] & 0x80);
410         input_report_key(dev, BTN_TL,   data[3] & 0x01);
411         input_report_key(dev, BTN_TR,   data[3] & 0x02);
412         input_report_key(dev, BTN_MODE, data[3] & 0x04);
413 
414         if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
415                 /* left stick */
416                 input_report_abs(dev, ABS_X,
417                                  (__s16) le16_to_cpup((__le16 *)(data + 6)));
418                 input_report_abs(dev, ABS_Y,
419                                  ~(__s16) le16_to_cpup((__le16 *)(data + 8)));
420 
421                 /* right stick */
422                 input_report_abs(dev, ABS_RX,
423                                  (__s16) le16_to_cpup((__le16 *)(data + 10)));
424                 input_report_abs(dev, ABS_RY,
425                                  ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
426         }
427 
428         /* triggers left/right */
429         if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
430                 input_report_key(dev, BTN_TL2, data[4]);
431                 input_report_key(dev, BTN_TR2, data[5]);
432         } else {
433                 input_report_abs(dev, ABS_Z, data[4]);
434                 input_report_abs(dev, ABS_RZ, data[5]);
435         }
436 
437         input_sync(dev);
438 }
439 
440 /*
441  * xpad360w_process_packet
442  *
443  * Completes a request by converting the data into events for the
444  * input subsystem. It is version for xbox 360 wireless controller.
445  *
446  * Byte.Bit
447  * 00.1 - Status change: The controller or headset has connected/disconnected
448  *                       Bits 01.7 and 01.6 are valid
449  * 01.7 - Controller present
450  * 01.6 - Headset present
451  * 01.1 - Pad state (Bytes 4+) valid
452  *
453  */
454 
455 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
456 {
457         /* Presence change */
458         if (data[0] & 0x08) {
459                 if (data[1] & 0x80) {
460                         xpad->pad_present = 1;
461                         usb_submit_urb(xpad->bulk_out, GFP_ATOMIC);
462                 } else
463                         xpad->pad_present = 0;
464         }
465 
466         /* Valid pad data */
467         if (!(data[1] & 0x1))
468                 return;
469 
470         xpad360_process_packet(xpad, cmd, &data[4]);
471 }
472 
473 static void xpad_irq_in(struct urb *urb)
474 {
475         struct usb_xpad *xpad = urb->context;
476         struct device *dev = &xpad->intf->dev;
477         int retval, status;
478 
479         status = urb->status;
480 
481         switch (status) {
482         case 0:
483                 /* success */
484                 break;
485         case -ECONNRESET:
486         case -ENOENT:
487         case -ESHUTDOWN:
488                 /* this urb is terminated, clean up */
489                 dev_dbg(dev, "%s - urb shutting down with status: %d\n",
490                         __func__, status);
491                 return;
492         default:
493                 dev_dbg(dev, "%s - nonzero urb status received: %d\n",
494                         __func__, status);
495                 goto exit;
496         }
497 
498         switch (xpad->xtype) {
499         case XTYPE_XBOX360:
500                 xpad360_process_packet(xpad, 0, xpad->idata);
501                 break;
502         case XTYPE_XBOX360W:
503                 xpad360w_process_packet(xpad, 0, xpad->idata);
504                 break;
505         default:
506                 xpad_process_packet(xpad, 0, xpad->idata);
507         }
508 
509 exit:
510         retval = usb_submit_urb(urb, GFP_ATOMIC);
511         if (retval)
512                 dev_err(dev, "%s - usb_submit_urb failed with result %d\n",
513                         __func__, retval);
514 }
515 
516 static void xpad_bulk_out(struct urb *urb)
517 {
518         struct usb_xpad *xpad = urb->context;
519         struct device *dev = &xpad->intf->dev;
520 
521         switch (urb->status) {
522         case 0:
523                 /* success */
524                 break;
525         case -ECONNRESET:
526         case -ENOENT:
527         case -ESHUTDOWN:
528                 /* this urb is terminated, clean up */
529                 dev_dbg(dev, "%s - urb shutting down with status: %d\n",
530                         __func__, urb->status);
531                 break;
532         default:
533                 dev_dbg(dev, "%s - nonzero urb status received: %d\n",
534                         __func__, urb->status);
535         }
536 }
537 
538 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS)
539 static void xpad_irq_out(struct urb *urb)
540 {
541         struct usb_xpad *xpad = urb->context;
542         struct device *dev = &xpad->intf->dev;
543         int retval, status;
544 
545         status = urb->status;
546 
547         switch (status) {
548         case 0:
549                 /* success */
550                 return;
551 
552         case -ECONNRESET:
553         case -ENOENT:
554         case -ESHUTDOWN:
555                 /* this urb is terminated, clean up */
556                 dev_dbg(dev, "%s - urb shutting down with status: %d\n",
557                         __func__, status);
558                 return;
559 
560         default:
561                 dev_dbg(dev, "%s - nonzero urb status received: %d\n",
562                         __func__, status);
563                 goto exit;
564         }
565 
566 exit:
567         retval = usb_submit_urb(urb, GFP_ATOMIC);
568         if (retval)
569                 dev_err(dev, "%s - usb_submit_urb failed with result %d\n",
570                         __func__, retval);
571 }
572 
573 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
574 {
575         struct usb_endpoint_descriptor *ep_irq_out;
576         int error;
577 
578         if (xpad->xtype == XTYPE_UNKNOWN)
579                 return 0;
580 
581         xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
582                                          GFP_KERNEL, &xpad->odata_dma);
583         if (!xpad->odata) {
584                 error = -ENOMEM;
585                 goto fail1;
586         }
587 
588         mutex_init(&xpad->odata_mutex);
589 
590         xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
591         if (!xpad->irq_out) {
592                 error = -ENOMEM;
593                 goto fail2;
594         }
595 
596         ep_irq_out = &intf->cur_altsetting->endpoint[1].desc;
597         usb_fill_int_urb(xpad->irq_out, xpad->udev,
598                          usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress),
599                          xpad->odata, XPAD_PKT_LEN,
600                          xpad_irq_out, xpad, ep_irq_out->bInterval);
601         xpad->irq_out->transfer_dma = xpad->odata_dma;
602         xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
603 
604         return 0;
605 
606  fail2: usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
607  fail1: return error;
608 }
609 
610 static void xpad_stop_output(struct usb_xpad *xpad)
611 {
612         if (xpad->xtype != XTYPE_UNKNOWN)
613                 usb_kill_urb(xpad->irq_out);
614 }
615 
616 static void xpad_deinit_output(struct usb_xpad *xpad)
617 {
618         if (xpad->xtype != XTYPE_UNKNOWN) {
619                 usb_free_urb(xpad->irq_out);
620                 usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
621                                 xpad->odata, xpad->odata_dma);
622         }
623 }
624 #else
625 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; }
626 static void xpad_deinit_output(struct usb_xpad *xpad) {}
627 static void xpad_stop_output(struct usb_xpad *xpad) {}
628 #endif
629 
630 #ifdef CONFIG_JOYSTICK_XPAD_FF
631 static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
632 {
633         struct usb_xpad *xpad = input_get_drvdata(dev);
634 
635         if (effect->type == FF_RUMBLE) {
636                 __u16 strong = effect->u.rumble.strong_magnitude;
637                 __u16 weak = effect->u.rumble.weak_magnitude;
638 
639                 switch (xpad->xtype) {
640 
641                 case XTYPE_XBOX:
642                         xpad->odata[0] = 0x00;
643                         xpad->odata[1] = 0x06;
644                         xpad->odata[2] = 0x00;
645                         xpad->odata[3] = strong / 256;  /* left actuator */
646                         xpad->odata[4] = 0x00;
647                         xpad->odata[5] = weak / 256;    /* right actuator */
648                         xpad->irq_out->transfer_buffer_length = 6;
649 
650                         return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
651 
652                 case XTYPE_XBOX360:
653                         xpad->odata[0] = 0x00;
654                         xpad->odata[1] = 0x08;
655                         xpad->odata[2] = 0x00;
656                         xpad->odata[3] = strong / 256;  /* left actuator? */
657                         xpad->odata[4] = weak / 256;    /* right actuator? */
658                         xpad->odata[5] = 0x00;
659                         xpad->odata[6] = 0x00;
660                         xpad->odata[7] = 0x00;
661                         xpad->irq_out->transfer_buffer_length = 8;
662 
663                         return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
664 
665                 case XTYPE_XBOX360W:
666                         xpad->odata[0] = 0x00;
667                         xpad->odata[1] = 0x01;
668                         xpad->odata[2] = 0x0F;
669                         xpad->odata[3] = 0xC0;
670                         xpad->odata[4] = 0x00;
671                         xpad->odata[5] = strong / 256;
672                         xpad->odata[6] = weak / 256;
673                         xpad->odata[7] = 0x00;
674                         xpad->odata[8] = 0x00;
675                         xpad->odata[9] = 0x00;
676                         xpad->odata[10] = 0x00;
677                         xpad->odata[11] = 0x00;
678                         xpad->irq_out->transfer_buffer_length = 12;
679 
680                         return usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
681 
682                 default:
683                         dev_dbg(&xpad->dev->dev,
684                                 "%s - rumble command sent to unsupported xpad type: %d\n",
685                                 __func__, xpad->xtype);
686                         return -1;
687                 }
688         }
689 
690         return 0;
691 }
692 
693 static int xpad_init_ff(struct usb_xpad *xpad)
694 {
695         if (xpad->xtype == XTYPE_UNKNOWN)
696                 return 0;
697 
698         input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);
699 
700         return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect);
701 }
702 
703 #else
704 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; }
705 #endif
706 
707 #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
708 #include <linux/leds.h>
709 
710 struct xpad_led {
711         char name[16];
712         struct led_classdev led_cdev;
713         struct usb_xpad *xpad;
714 };
715 
716 static void xpad_send_led_command(struct usb_xpad *xpad, int command)
717 {
718         if (command >= 0 && command < 14) {
719                 mutex_lock(&xpad->odata_mutex);
720                 xpad->odata[0] = 0x01;
721                 xpad->odata[1] = 0x03;
722                 xpad->odata[2] = command;
723                 xpad->irq_out->transfer_buffer_length = 3;
724                 usb_submit_urb(xpad->irq_out, GFP_KERNEL);
725                 mutex_unlock(&xpad->odata_mutex);
726         }
727 }
728 
729 static void xpad_led_set(struct led_classdev *led_cdev,
730                          enum led_brightness value)
731 {
732         struct xpad_led *xpad_led = container_of(led_cdev,
733                                                  struct xpad_led, led_cdev);
734 
735         xpad_send_led_command(xpad_led->xpad, value);
736 }
737 
738 static int xpad_led_probe(struct usb_xpad *xpad)
739 {
740         static atomic_t led_seq = ATOMIC_INIT(0);
741         long led_no;
742         struct xpad_led *led;
743         struct led_classdev *led_cdev;
744         int error;
745 
746         if (xpad->xtype != XTYPE_XBOX360)
747                 return 0;
748 
749         xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL);
750         if (!led)
751                 return -ENOMEM;
752 
753         led_no = (long)atomic_inc_return(&led_seq) - 1;
754 
755         snprintf(led->name, sizeof(led->name), "xpad%ld", led_no);
756         led->xpad = xpad;
757 
758         led_cdev = &led->led_cdev;
759         led_cdev->name = led->name;
760         led_cdev->brightness_set = xpad_led_set;
761 
762         error = led_classdev_register(&xpad->udev->dev, led_cdev);
763         if (error) {
764                 kfree(led);
765                 xpad->led = NULL;
766                 return error;
767         }
768 
769         /*
770          * Light up the segment corresponding to controller number
771          */
772         xpad_send_led_command(xpad, (led_no % 4) + 2);
773 
774         return 0;
775 }
776 
777 static void xpad_led_disconnect(struct usb_xpad *xpad)
778 {
779         struct xpad_led *xpad_led = xpad->led;
780 
781         if (xpad_led) {
782                 led_classdev_unregister(&xpad_led->led_cdev);
783                 kfree(xpad_led);
784         }
785 }
786 #else
787 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
788 static void xpad_led_disconnect(struct usb_xpad *xpad) { }
789 #endif
790 
791 
792 static int xpad_open(struct input_dev *dev)
793 {
794         struct usb_xpad *xpad = input_get_drvdata(dev);
795 
796         /* URB was submitted in probe */
797         if (xpad->xtype == XTYPE_XBOX360W)
798                 return 0;
799 
800         xpad->irq_in->dev = xpad->udev;
801         if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
802                 return -EIO;
803 
804         return 0;
805 }
806 
807 static void xpad_close(struct input_dev *dev)
808 {
809         struct usb_xpad *xpad = input_get_drvdata(dev);
810 
811         if (xpad->xtype != XTYPE_XBOX360W)
812                 usb_kill_urb(xpad->irq_in);
813 
814         xpad_stop_output(xpad);
815 }
816 
817 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
818 {
819         set_bit(abs, input_dev->absbit);
820 
821         switch (abs) {
822         case ABS_X:
823         case ABS_Y:
824         case ABS_RX:
825         case ABS_RY:    /* the two sticks */
826                 input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128);
827                 break;
828         case ABS_Z:
829         case ABS_RZ:    /* the triggers (if mapped to axes) */
830                 input_set_abs_params(input_dev, abs, 0, 255, 0, 0);
831                 break;
832         case ABS_HAT0X:
833         case ABS_HAT0Y: /* the d-pad (only if dpad is mapped to axes */
834                 input_set_abs_params(input_dev, abs, -1, 1, 0, 0);
835                 break;
836         }
837 }
838 
839 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
840 {
841         struct usb_device *udev = interface_to_usbdev(intf);
842         struct usb_xpad *xpad;
843         struct input_dev *input_dev;
844         struct usb_endpoint_descriptor *ep_irq_in;
845         int i, error;
846 
847         for (i = 0; xpad_device[i].idVendor; i++) {
848                 if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
849                     (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
850                         break;
851         }
852 
853         xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
854         input_dev = input_allocate_device();
855         if (!xpad || !input_dev) {
856                 error = -ENOMEM;
857                 goto fail1;
858         }
859 
860         xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
861                                          GFP_KERNEL, &xpad->idata_dma);
862         if (!xpad->idata) {
863                 error = -ENOMEM;
864                 goto fail1;
865         }
866 
867         xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
868         if (!xpad->irq_in) {
869                 error = -ENOMEM;
870                 goto fail2;
871         }
872 
873         xpad->udev = udev;
874         xpad->intf = intf;
875         xpad->mapping = xpad_device[i].mapping;
876         xpad->xtype = xpad_device[i].xtype;
877 
878         if (xpad->xtype == XTYPE_UNKNOWN) {
879                 if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
880                         if (intf->cur_altsetting->desc.bInterfaceProtocol == 129)
881                                 xpad->xtype = XTYPE_XBOX360W;
882                         else
883                                 xpad->xtype = XTYPE_XBOX360;
884                 } else
885                         xpad->xtype = XTYPE_XBOX;
886 
887                 if (dpad_to_buttons)
888                         xpad->mapping |= MAP_DPAD_TO_BUTTONS;
889                 if (triggers_to_buttons)
890                         xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS;
891                 if (sticks_to_null)
892                         xpad->mapping |= MAP_STICKS_TO_NULL;
893         }
894 
895         xpad->dev = input_dev;
896         usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
897         strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
898 
899         input_dev->name = xpad_device[i].name;
900         input_dev->phys = xpad->phys;
901         usb_to_input_id(udev, &input_dev->id);
902         input_dev->dev.parent = &intf->dev;
903 
904         input_set_drvdata(input_dev, xpad);
905 
906         input_dev->open = xpad_open;
907         input_dev->close = xpad_close;
908 
909         input_dev->evbit[0] = BIT_MASK(EV_KEY);
910 
911         if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
912                 input_dev->evbit[0] |= BIT_MASK(EV_ABS);
913                 /* set up axes */
914                 for (i = 0; xpad_abs[i] >= 0; i++)
915                         xpad_set_up_abs(input_dev, xpad_abs[i]);
916         }
917 
918         /* set up standard buttons */
919         for (i = 0; xpad_common_btn[i] >= 0; i++)
920                 __set_bit(xpad_common_btn[i], input_dev->keybit);
921 
922         /* set up model-specific ones */
923         if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) {
924                 for (i = 0; xpad360_btn[i] >= 0; i++)
925                         __set_bit(xpad360_btn[i], input_dev->keybit);
926         } else {
927                 for (i = 0; xpad_btn[i] >= 0; i++)
928                         __set_bit(xpad_btn[i], input_dev->keybit);
929         }
930 
931         if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
932                 for (i = 0; xpad_btn_pad[i] >= 0; i++)
933                         __set_bit(xpad_btn_pad[i], input_dev->keybit);
934         } else {
935                 for (i = 0; xpad_abs_pad[i] >= 0; i++)
936                     xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
937         }
938 
939         if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
940                 for (i = 0; xpad_btn_triggers[i] >= 0; i++)
941                         __set_bit(xpad_btn_triggers[i], input_dev->keybit);
942         } else {
943                 for (i = 0; xpad_abs_triggers[i] >= 0; i++)
944                         xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
945         }
946 
947         error = xpad_init_output(intf, xpad);
948         if (error)
949                 goto fail3;
950 
951         error = xpad_init_ff(xpad);
952         if (error)
953                 goto fail4;
954 
955         error = xpad_led_probe(xpad);
956         if (error)
957                 goto fail5;
958 
959         ep_irq_in = &intf->cur_altsetting->endpoint[0].desc;
960         usb_fill_int_urb(xpad->irq_in, udev,
961                          usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
962                          xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
963                          xpad, ep_irq_in->bInterval);
964         xpad->irq_in->transfer_dma = xpad->idata_dma;
965         xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
966 
967         error = input_register_device(xpad->dev);
968         if (error)
969                 goto fail6;
970 
971         usb_set_intfdata(intf, xpad);
972 
973         if (xpad->xtype == XTYPE_XBOX360W) {
974                 /*
975                  * Setup the message to set the LEDs on the
976                  * controller when it shows up
977                  */
978                 xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL);
979                 if (!xpad->bulk_out) {
980                         error = -ENOMEM;
981                         goto fail7;
982                 }
983 
984                 xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL);
985                 if (!xpad->bdata) {
986                         error = -ENOMEM;
987                         goto fail8;
988                 }
989 
990                 xpad->bdata[2] = 0x08;
991                 switch (intf->cur_altsetting->desc.bInterfaceNumber) {
992                 case 0:
993                         xpad->bdata[3] = 0x42;
994                         break;
995                 case 2:
996                         xpad->bdata[3] = 0x43;
997                         break;
998                 case 4:
999                         xpad->bdata[3] = 0x44;
1000                         break;
1001                 case 6:
1002                         xpad->bdata[3] = 0x45;
1003                 }
1004 
1005                 ep_irq_in = &intf->cur_altsetting->endpoint[1].desc;
1006                 usb_fill_bulk_urb(xpad->bulk_out, udev,
1007                                 usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress),
1008                                 xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad);
1009 
1010                 /*
1011                  * Submit the int URB immediately rather than waiting for open
1012                  * because we get status messages from the device whether
1013                  * or not any controllers are attached.  In fact, it's
1014                  * exactly the message that a controller has arrived that
1015                  * we're waiting for.
1016                  */
1017                 xpad->irq_in->dev = xpad->udev;
1018                 error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
1019                 if (error)
1020                         goto fail9;
1021         }
1022 
1023         return 0;
1024 
1025  fail9: kfree(xpad->bdata);
1026  fail8: usb_free_urb(xpad->bulk_out);
1027  fail7: input_unregister_device(input_dev);
1028         input_dev = NULL;
1029  fail6: xpad_led_disconnect(xpad);
1030  fail5: if (input_dev)
1031                 input_ff_destroy(input_dev);
1032  fail4: xpad_deinit_output(xpad);
1033  fail3: usb_free_urb(xpad->irq_in);
1034  fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
1035  fail1: input_free_device(input_dev);
1036         kfree(xpad);
1037         return error;
1038 
1039 }
1040 
1041 static void xpad_disconnect(struct usb_interface *intf)
1042 {
1043         struct usb_xpad *xpad = usb_get_intfdata (intf);
1044 
1045         xpad_led_disconnect(xpad);
1046         input_unregister_device(xpad->dev);
1047         xpad_deinit_output(xpad);
1048 
1049         if (xpad->xtype == XTYPE_XBOX360W) {
1050                 usb_kill_urb(xpad->bulk_out);
1051                 usb_free_urb(xpad->bulk_out);
1052                 usb_kill_urb(xpad->irq_in);
1053         }
1054 
1055         usb_free_urb(xpad->irq_in);
1056         usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
1057                         xpad->idata, xpad->idata_dma);
1058 
1059         kfree(xpad->bdata);
1060         kfree(xpad);
1061 
1062         usb_set_intfdata(intf, NULL);
1063 }
1064 
1065 static struct usb_driver xpad_driver = {
1066         .name           = "xpad",
1067         .probe          = xpad_probe,
1068         .disconnect     = xpad_disconnect,
1069         .id_table       = xpad_table,
1070 };
1071 
1072 module_usb_driver(xpad_driver);
1073 
1074 MODULE_AUTHOR(DRIVER_AUTHOR);
1075 MODULE_DESCRIPTION(DRIVER_DESC);
1076 MODULE_LICENSE("GPL");
1077 

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