release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/hid/hid-lg.c

   1 /*
   2  *  HID driver for some logitech "special" devices
   3  *
   4  *  Copyright (c) 1999 Andreas Gal
   5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
   6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
   7  *  Copyright (c) 2006-2007 Jiri Kosina
   8  *  Copyright (c) 2007 Paul Walmsley
   9  *  Copyright (c) 2008 Jiri Slaby
  10  */
  11
  12 /*
  13  * This program is free software; you can redistribute it and/or modify it
  14  * under the terms of the GNU General Public License as published by the Free
  15  * Software Foundation; either version 2 of the License, or (at your option)
  16  * any later version.
  17  */
  18
  19 #include <linux/device.h>
  20 #include <linux/hid.h>
  21 #include <linux/module.h>
  22
  23 #include "hid-ids.h"
  24 #include "hid-lg.h"
  25
  26 #define LG_RDESC                0x001
  27 #define LG_BAD_RELATIVE_KEYS    0x002
  28 #define LG_DUPLICATE_USAGES     0x004
  29 #define LG_EXPANDED_KEYMAP      0x010
  30 #define LG_IGNORE_DOUBLED_WHEEL 0x020
  31 #define LG_WIRELESS             0x040
  32 #define LG_INVERT_HWHEEL        0x080
  33 #define LG_NOGET                0x100
  34 #define LG_FF                   0x200
  35 #define LG_FF2                  0x400
  36 #define LG_RDESC_REL_ABS        0x800
  37 #define LG_FF3                  0x1000
  38
  39 /*
  40  * Certain Logitech keyboards send in report #3 keys which are far
  41  * above the logical maximum described in descriptor. This extends
  42  * the original value of 0x28c of logical maximum to 0x104d
  43  */
  44 static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
  45                 unsigned int rsize)
  46 {
  47         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
  48
  49         if ((quirks & LG_RDESC) && rsize >= 90 && rdesc[83] == 0x26 &&
  50                         rdesc[84] == 0x8c && rdesc[85] == 0x02) {
  51                 dev_info(&hdev->dev, "fixing up Logitech keyboard report "
  52                                 "descriptor\n");
  53                 rdesc[84] = rdesc[89] = 0x4d;
  54                 rdesc[85] = rdesc[90] = 0x10;
  55         }
  56         if ((quirks & LG_RDESC_REL_ABS) && rsize >= 50 &&
  57                         rdesc[32] == 0x81 && rdesc[33] == 0x06 &&
  58                         rdesc[49] == 0x81 && rdesc[50] == 0x06) {
  59                 dev_info(&hdev->dev, "fixing up rel/abs in Logitech "
  60                                 "report descriptor\n");
  61                 rdesc[33] = rdesc[50] = 0x02;
  62         }
  63 }
  64
  65 #define lg_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
  66                 EV_KEY, (c))
  67
  68 static int lg_ultrax_remote_mapping(struct hid_input *hi,
  69                 struct hid_usage *usage, unsigned long **bit, int *max)
  70 {
  71         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
  72                 return 0;
  73
  74         set_bit(EV_REP, hi->input->evbit);
  75         switch (usage->hid & HID_USAGE) {
  76         /* Reported on Logitech Ultra X Media Remote */
  77         case 0x004: lg_map_key_clear(KEY_AGAIN);        break;
  78         case 0x00d: lg_map_key_clear(KEY_HOME);         break;
  79         case 0x024: lg_map_key_clear(KEY_SHUFFLE);      break;
  80         case 0x025: lg_map_key_clear(KEY_TV);           break;
  81         case 0x026: lg_map_key_clear(KEY_MENU);         break;
  82         case 0x031: lg_map_key_clear(KEY_AUDIO);        break;
  83         case 0x032: lg_map_key_clear(KEY_TEXT);         break;
  84         case 0x033: lg_map_key_clear(KEY_LAST);         break;
  85         case 0x047: lg_map_key_clear(KEY_MP3);          break;
  86         case 0x048: lg_map_key_clear(KEY_DVD);          break;
  87         case 0x049: lg_map_key_clear(KEY_MEDIA);        break;
  88         case 0x04a: lg_map_key_clear(KEY_VIDEO);        break;
  89         case 0x04b: lg_map_key_clear(KEY_ANGLE);        break;
  90         case 0x04c: lg_map_key_clear(KEY_LANGUAGE);     break;
  91         case 0x04d: lg_map_key_clear(KEY_SUBTITLE);     break;
  92         case 0x051: lg_map_key_clear(KEY_RED);          break;
  93         case 0x052: lg_map_key_clear(KEY_CLOSE);        break;
  94
  95         default:
  96                 return 0;
  97         }
  98         return 1;
  99 }
 100
 101 static int lg_dinovo_mapping(struct hid_input *hi, struct hid_usage *usage,
 102                 unsigned long **bit, int *max)
 103 {
 104         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
 105                 return 0;
 106
 107         switch (usage->hid & HID_USAGE) {
 108
 109         case 0x00d: lg_map_key_clear(KEY_MEDIA);        break;
 110         default:
 111                 return 0;
 112
 113         }
 114         return 1;
 115 }
 116
 117 static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
 118                 unsigned long **bit, int *max)
 119 {
 120         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
 121                 return 0;
 122
 123         switch (usage->hid & HID_USAGE) {
 124         case 0x1001: lg_map_key_clear(KEY_MESSENGER);           break;
 125         case 0x1003: lg_map_key_clear(KEY_SOUND);               break;
 126         case 0x1004: lg_map_key_clear(KEY_VIDEO);               break;
 127         case 0x1005: lg_map_key_clear(KEY_AUDIO);               break;
 128         case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);           break;
 129         /* The following two entries are Playlist 1 and 2 on the MX3200 */
 130         case 0x100f: lg_map_key_clear(KEY_FN_1);                break;
 131         case 0x1010: lg_map_key_clear(KEY_FN_2);                break;
 132         case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);        break;
 133         case 0x1012: lg_map_key_clear(KEY_NEXTSONG);            break;
 134         case 0x1013: lg_map_key_clear(KEY_CAMERA);              break;
 135         case 0x1014: lg_map_key_clear(KEY_MESSENGER);           break;
 136         case 0x1015: lg_map_key_clear(KEY_RECORD);              break;
 137         case 0x1016: lg_map_key_clear(KEY_PLAYER);              break;
 138         case 0x1017: lg_map_key_clear(KEY_EJECTCD);             break;
 139         case 0x1018: lg_map_key_clear(KEY_MEDIA);               break;
 140         case 0x1019: lg_map_key_clear(KEY_PROG1);               break;
 141         case 0x101a: lg_map_key_clear(KEY_PROG2);               break;
 142         case 0x101b: lg_map_key_clear(KEY_PROG3);               break;
 143         case 0x101c: lg_map_key_clear(KEY_CYCLEWINDOWS);        break;
 144         case 0x101f: lg_map_key_clear(KEY_ZOOMIN);              break;
 145         case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);             break;
 146         case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);           break;
 147         case 0x1023: lg_map_key_clear(KEY_CLOSE);               break;
 148         case 0x1027: lg_map_key_clear(KEY_MENU);                break;
 149         /* this one is marked as 'Rotate' */
 150         case 0x1028: lg_map_key_clear(KEY_ANGLE);               break;
 151         case 0x1029: lg_map_key_clear(KEY_SHUFFLE);             break;
 152         case 0x102a: lg_map_key_clear(KEY_BACK);                break;
 153         case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);        break;
 154         case 0x102d: lg_map_key_clear(KEY_WWW);                 break;
 155         /* The following two are 'Start/answer call' and 'End/reject call'
 156            on the MX3200 */
 157         case 0x1031: lg_map_key_clear(KEY_OK);                  break;
 158         case 0x1032: lg_map_key_clear(KEY_CANCEL);              break;
 159         case 0x1041: lg_map_key_clear(KEY_BATTERY);             break;
 160         case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);       break;
 161         case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);         break;
 162         case 0x1044: lg_map_key_clear(KEY_PRESENTATION);        break;
 163         case 0x1045: lg_map_key_clear(KEY_UNDO);                break;
 164         case 0x1046: lg_map_key_clear(KEY_REDO);                break;
 165         case 0x1047: lg_map_key_clear(KEY_PRINT);               break;
 166         case 0x1048: lg_map_key_clear(KEY_SAVE);                break;
 167         case 0x1049: lg_map_key_clear(KEY_PROG1);               break;
 168         case 0x104a: lg_map_key_clear(KEY_PROG2);               break;
 169         case 0x104b: lg_map_key_clear(KEY_PROG3);               break;
 170         case 0x104c: lg_map_key_clear(KEY_PROG4);               break;
 171
 172         default:
 173                 return 0;
 174         }
 175         return 1;
 176 }
 177
 178 static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 179                 struct hid_field *field, struct hid_usage *usage,
 180                 unsigned long **bit, int *max)
 181 {
 182         /* extended mapping for certain Logitech hardware (Logitech cordless
 183            desktop LX500) */
 184         static const u8 e_keymap[] = {
 185                   0,216,  0,213,175,156,  0,  0,  0,  0,
 186                 144,  0,  0,  0,  0,  0,  0,  0,  0,212,
 187                 174,167,152,161,112,  0,  0,  0,154,  0,
 188                   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 189                   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 190                   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 191                   0,  0,  0,  0,  0,183,184,185,186,187,
 192                 188,189,190,191,192,193,194,  0,  0,  0
 193         };
 194         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 195         unsigned int hid = usage->hid;
 196
 197         if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
 198                         lg_ultrax_remote_mapping(hi, usage, bit, max))
 199                 return 1;
 200
 201         if (hdev->product == USB_DEVICE_ID_DINOVO_MINI &&
 202                         lg_dinovo_mapping(hi, usage, bit, max))
 203                 return 1;
 204
 205         if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
 206                 return 1;
 207
 208         if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
 209                 return 0;
 210
 211         hid &= HID_USAGE;
 212
 213         /* Special handling for Logitech Cordless Desktop */
 214         if (field->application == HID_GD_MOUSE) {
 215                 if ((quirks & LG_IGNORE_DOUBLED_WHEEL) &&
 216                                 (hid == 7 || hid == 8))
 217                         return -1;
 218         } else {
 219                 if ((quirks & LG_EXPANDED_KEYMAP) &&
 220                                 hid < ARRAY_SIZE(e_keymap) &&
 221                                 e_keymap[hid] != 0) {
 222                         hid_map_usage(hi, usage, bit, max, EV_KEY,
 223                                         e_keymap[hid]);
 224                         return 1;
 225                 }
 226         }
 227
 228         return 0;
 229 }
 230
 231 static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
 232                 struct hid_field *field, struct hid_usage *usage,
 233                 unsigned long **bit, int *max)
 234 {
 235         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 236
 237         if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
 238                         (field->flags & HID_MAIN_ITEM_RELATIVE))
 239                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
 240
 241         if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
 242                          usage->type == EV_REL || usage->type == EV_ABS))
 243                 clear_bit(usage->code, *bit);
 244
 245         return 0;
 246 }
 247
 248 static int lg_event(struct hid_device *hdev, struct hid_field *field,
 249                 struct hid_usage *usage, __s32 value)
 250 {
 251         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 252
 253         if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
 254                 input_event(field->hidinput->input, usage->type, usage->code,
 255                                 -value);
 256                 return 1;
 257         }
 258
 259         return 0;
 260 }
 261
 262 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
 263 {
 264         unsigned long quirks = id->driver_data;
 265         unsigned int connect_mask = HID_CONNECT_DEFAULT;
 266         int ret;
 267
 268         hid_set_drvdata(hdev, (void *)quirks);
 269
 270         if (quirks & LG_NOGET)
 271                 hdev->quirks |= HID_QUIRK_NOGET;
 272
 273         ret = hid_parse(hdev);
 274         if (ret) {
 275                 dev_err(&hdev->dev, "parse failed\n");
 276                 goto err_free;
 277         }
 278
 279         if (quirks & (LG_FF | LG_FF2 | LG_FF3))
 280                 connect_mask &= ~HID_CONNECT_FF;
 281
 282         ret = hid_hw_start(hdev, connect_mask);
 283         if (ret) {
 284                 dev_err(&hdev->dev, "hw start failed\n");
 285                 goto err_free;
 286         }
 287
 288         if (quirks & LG_FF)
 289                 lgff_init(hdev);
 290         if (quirks & LG_FF2)
 291                 lg2ff_init(hdev);
 292         if (quirks & LG_FF3)
 293                 lg3ff_init(hdev);
 294
 295         return 0;
 296 err_free:
 297         return ret;
 298 }
 299
 300 static const struct hid_device_id lg_devices[] = {
 301         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
 302                 .driver_data = LG_RDESC | LG_WIRELESS },
 303         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
 304                 .driver_data = LG_RDESC | LG_WIRELESS },
 305         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
 306                 .driver_data = LG_RDESC | LG_WIRELESS },
 307
 308         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
 309                 .driver_data = LG_BAD_RELATIVE_KEYS },
 310
 311         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
 312                 .driver_data = LG_DUPLICATE_USAGES },
 313         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
 314                 .driver_data = LG_DUPLICATE_USAGES },
 315         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
 316                 .driver_data = LG_DUPLICATE_USAGES },
 317
 318         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
 319                 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
 320         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
 321                 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
 322
 323         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
 324                 .driver_data = LG_NOGET },
 325         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
 326                 .driver_data = LG_NOGET | LG_FF },
 327
 328         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
 329                 .driver_data = LG_FF },
 330         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
 331                 .driver_data = LG_FF },
 332         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
 333                 .driver_data = LG_FF },
 334         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
 335                 .driver_data = LG_FF },
 336         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
 337                 .driver_data = LG_FF },
 338         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
 339                 .driver_data = LG_FF },
 340         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL),
 341                 .driver_data = LG_FF },
 342         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ),
 343                 .driver_data = LG_FF },
 344         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
 345                 .driver_data = LG_FF2 },
 346         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940),
 347                 .driver_data = LG_FF3 },
 348         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR),
 349                 .driver_data = LG_RDESC_REL_ABS },
 350         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER),
 351                 .driver_data = LG_RDESC_REL_ABS },
 352         { }
 353 };
 354
 355 MODULE_DEVICE_TABLE(hid, lg_devices);
 356
 357 static struct hid_driver lg_driver = {
 358         .name = "logitech",
 359         .id_table = lg_devices,
 360         .report_fixup = lg_report_fixup,
 361         .input_mapping = lg_input_mapping,
 362         .input_mapped = lg_input_mapped,
 363         .event = lg_event,
 364         .probe = lg_probe,
 365 };
 366
 367 static int __init lg_init(void)
 368 {
 369         return hid_register_driver(&lg_driver);
 370 }
 371
 372 static void __exit lg_exit(void)
 373 {
 374         hid_unregister_driver(&lg_driver);
 375 }
 376
 377 module_init(lg_init);
 378 module_exit(lg_exit);
 379 MODULE_LICENSE("GPL");