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
  37 /*
  38  * Certain Logitech keyboards send in report #3 keys which are far
  39  * above the logical maximum described in descriptor. This extends
  40  * the original value of 0x28c of logical maximum to 0x104d
  41  */
  42 static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc,
  43                 unsigned int rsize)
  44 {
  45         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
  46
  47         if ((quirks & LG_RDESC) && rsize >= 90 && rdesc[83] == 0x26 &&
  48                         rdesc[84] == 0x8c && rdesc[85] == 0x02) {
  49                 dev_info(&hdev->dev, "fixing up Logitech keyboard report "
  50                                 "descriptor\n");
  51                 rdesc[84] = rdesc[89] = 0x4d;
  52                 rdesc[85] = rdesc[90] = 0x10;
  53         }
  54 }
  55
  56 #define lg_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
  57                 EV_KEY, (c))
  58
  59 static int lg_ultrax_remote_mapping(struct hid_input *hi,
  60                 struct hid_usage *usage, unsigned long **bit, int *max)
  61 {
  62         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR)
  63                 return 0;
  64
  65         set_bit(EV_REP, hi->input->evbit);
  66         switch (usage->hid & HID_USAGE) {
  67         /* Reported on Logitech Ultra X Media Remote */
  68         case 0x004: lg_map_key_clear(KEY_AGAIN);        break;
  69         case 0x00d: lg_map_key_clear(KEY_HOME);         break;
  70         case 0x024: lg_map_key_clear(KEY_SHUFFLE);      break;
  71         case 0x025: lg_map_key_clear(KEY_TV);           break;
  72         case 0x026: lg_map_key_clear(KEY_MENU);         break;
  73         case 0x031: lg_map_key_clear(KEY_AUDIO);        break;
  74         case 0x032: lg_map_key_clear(KEY_TEXT);         break;
  75         case 0x033: lg_map_key_clear(KEY_LAST);         break;
  76         case 0x047: lg_map_key_clear(KEY_MP3);          break;
  77         case 0x048: lg_map_key_clear(KEY_DVD);          break;
  78         case 0x049: lg_map_key_clear(KEY_MEDIA);        break;
  79         case 0x04a: lg_map_key_clear(KEY_VIDEO);        break;
  80         case 0x04b: lg_map_key_clear(KEY_ANGLE);        break;
  81         case 0x04c: lg_map_key_clear(KEY_LANGUAGE);     break;
  82         case 0x04d: lg_map_key_clear(KEY_SUBTITLE);     break;
  83         case 0x051: lg_map_key_clear(KEY_RED);          break;
  84         case 0x052: lg_map_key_clear(KEY_CLOSE);        break;
  85
  86         default:
  87                 return 0;
  88         }
  89         return 1;
  90 }
  91
  92 static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage,
  93                 unsigned long **bit, int *max)
  94 {
  95         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
  96                 return 0;
  97
  98         switch (usage->hid & HID_USAGE) {
  99         case 0x1001: lg_map_key_clear(KEY_MESSENGER);           break;
 100         case 0x1003: lg_map_key_clear(KEY_SOUND);               break;
 101         case 0x1004: lg_map_key_clear(KEY_VIDEO);               break;
 102         case 0x1005: lg_map_key_clear(KEY_AUDIO);               break;
 103         case 0x100a: lg_map_key_clear(KEY_DOCUMENTS);           break;
 104         case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG);        break;
 105         case 0x1012: lg_map_key_clear(KEY_NEXTSONG);            break;
 106         case 0x1013: lg_map_key_clear(KEY_CAMERA);              break;
 107         case 0x1014: lg_map_key_clear(KEY_MESSENGER);           break;
 108         case 0x1015: lg_map_key_clear(KEY_RECORD);              break;
 109         case 0x1016: lg_map_key_clear(KEY_PLAYER);              break;
 110         case 0x1017: lg_map_key_clear(KEY_EJECTCD);             break;
 111         case 0x1018: lg_map_key_clear(KEY_MEDIA);               break;
 112         case 0x1019: lg_map_key_clear(KEY_PROG1);               break;
 113         case 0x101a: lg_map_key_clear(KEY_PROG2);               break;
 114         case 0x101b: lg_map_key_clear(KEY_PROG3);               break;
 115         case 0x101f: lg_map_key_clear(KEY_ZOOMIN);              break;
 116         case 0x1020: lg_map_key_clear(KEY_ZOOMOUT);             break;
 117         case 0x1021: lg_map_key_clear(KEY_ZOOMRESET);           break;
 118         case 0x1023: lg_map_key_clear(KEY_CLOSE);               break;
 119         case 0x1027: lg_map_key_clear(KEY_MENU);                break;
 120         /* this one is marked as 'Rotate' */
 121         case 0x1028: lg_map_key_clear(KEY_ANGLE);               break;
 122         case 0x1029: lg_map_key_clear(KEY_SHUFFLE);             break;
 123         case 0x102a: lg_map_key_clear(KEY_BACK);                break;
 124         case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS);        break;
 125         case 0x1041: lg_map_key_clear(KEY_BATTERY);             break;
 126         case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR);       break;
 127         case 0x1043: lg_map_key_clear(KEY_SPREADSHEET);         break;
 128         case 0x1044: lg_map_key_clear(KEY_PRESENTATION);        break;
 129         case 0x1045: lg_map_key_clear(KEY_UNDO);                break;
 130         case 0x1046: lg_map_key_clear(KEY_REDO);                break;
 131         case 0x1047: lg_map_key_clear(KEY_PRINT);               break;
 132         case 0x1048: lg_map_key_clear(KEY_SAVE);                break;
 133         case 0x1049: lg_map_key_clear(KEY_PROG1);               break;
 134         case 0x104a: lg_map_key_clear(KEY_PROG2);               break;
 135         case 0x104b: lg_map_key_clear(KEY_PROG3);               break;
 136         case 0x104c: lg_map_key_clear(KEY_PROG4);               break;
 137
 138         default:
 139                 return 0;
 140         }
 141         return 1;
 142 }
 143
 144 static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 145                 struct hid_field *field, struct hid_usage *usage,
 146                 unsigned long **bit, int *max)
 147 {
 148         /* extended mapping for certain Logitech hardware (Logitech cordless
 149            desktop LX500) */
 150         static const u8 e_keymap[] = {
 151                   0,216,  0,213,175,156,  0,  0,  0,  0,
 152                 144,  0,  0,  0,  0,  0,  0,  0,  0,212,
 153                 174,167,152,161,112,  0,  0,  0,154,  0,
 154                   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 155                   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 156                   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 157                   0,  0,  0,  0,  0,183,184,185,186,187,
 158                 188,189,190,191,192,193,194,  0,  0,  0
 159         };
 160         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 161         unsigned int hid = usage->hid;
 162
 163         if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER &&
 164                         lg_ultrax_remote_mapping(hi, usage, bit, max))
 165                 return 1;
 166
 167         if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max))
 168                 return 1;
 169
 170         if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
 171                 return 0;
 172
 173         hid &= HID_USAGE;
 174
 175         /* Special handling for Logitech Cordless Desktop */
 176         if (field->application == HID_GD_MOUSE) {
 177                 if ((quirks & LG_IGNORE_DOUBLED_WHEEL) &&
 178                                 (hid == 7 || hid == 8))
 179                         return -1;
 180         } else {
 181                 if ((quirks & LG_EXPANDED_KEYMAP) &&
 182                                 hid < ARRAY_SIZE(e_keymap) &&
 183                                 e_keymap[hid] != 0) {
 184                         hid_map_usage(hi, usage, bit, max, EV_KEY,
 185                                         e_keymap[hid]);
 186                         return 1;
 187                 }
 188         }
 189
 190         return 0;
 191 }
 192
 193 static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi,
 194                 struct hid_field *field, struct hid_usage *usage,
 195                 unsigned long **bit, int *max)
 196 {
 197         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 198
 199         if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY &&
 200                         (field->flags & HID_MAIN_ITEM_RELATIVE))
 201                 field->flags &= ~HID_MAIN_ITEM_RELATIVE;
 202
 203         if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY ||
 204                          usage->type == EV_REL || usage->type == EV_ABS))
 205                 clear_bit(usage->code, *bit);
 206
 207         return 0;
 208 }
 209
 210 static int lg_event(struct hid_device *hdev, struct hid_field *field,
 211                 struct hid_usage *usage, __s32 value)
 212 {
 213         unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
 214
 215         if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) {
 216                 input_event(field->hidinput->input, usage->type, usage->code,
 217                                 -value);
 218                 return 1;
 219         }
 220
 221         return 0;
 222 }
 223
 224 static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
 225 {
 226         unsigned long quirks = id->driver_data;
 227         unsigned int connect_mask = HID_CONNECT_DEFAULT;
 228         int ret;
 229
 230         hid_set_drvdata(hdev, (void *)quirks);
 231
 232         if (quirks & LG_NOGET)
 233                 hdev->quirks |= HID_QUIRK_NOGET;
 234
 235         ret = hid_parse(hdev);
 236         if (ret) {
 237                 dev_err(&hdev->dev, "parse failed\n");
 238                 goto err_free;
 239         }
 240
 241         if (quirks & (LG_FF | LG_FF2))
 242                 connect_mask &= ~HID_CONNECT_FF;
 243
 244         ret = hid_hw_start(hdev, connect_mask);
 245         if (ret) {
 246                 dev_err(&hdev->dev, "hw start failed\n");
 247                 goto err_free;
 248         }
 249
 250         if (quirks & LG_FF)
 251                 lgff_init(hdev);
 252         if (quirks & LG_FF2)
 253                 lg2ff_init(hdev);
 254
 255         return 0;
 256 err_free:
 257         return ret;
 258 }
 259
 260 static const struct hid_device_id lg_devices[] = {
 261         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER),
 262                 .driver_data = LG_RDESC | LG_WIRELESS },
 263         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER),
 264                 .driver_data = LG_RDESC | LG_WIRELESS },
 265         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2),
 266                 .driver_data = LG_RDESC | LG_WIRELESS },
 267
 268         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER),
 269                 .driver_data = LG_BAD_RELATIVE_KEYS },
 270
 271         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP),
 272                 .driver_data = LG_DUPLICATE_USAGES },
 273         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE),
 274                 .driver_data = LG_DUPLICATE_USAGES },
 275         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI),
 276                 .driver_data = LG_DUPLICATE_USAGES },
 277
 278         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD),
 279                 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
 280         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500),
 281                 .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP },
 282
 283         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D),
 284                 .driver_data = LG_NOGET },
 285         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL),
 286                 .driver_data = LG_NOGET | LG_FF },
 287
 288         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD),
 289                 .driver_data = LG_FF },
 290         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2),
 291                 .driver_data = LG_FF },
 292         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D),
 293                 .driver_data = LG_FF },
 294         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO),
 295                 .driver_data = LG_FF },
 296         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL),
 297                 .driver_data = LG_FF },
 298         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2),
 299                 .driver_data = LG_FF },
 300         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2),
 301                 .driver_data = LG_FF2 },
 302         { }
 303 };
 304 MODULE_DEVICE_TABLE(hid, lg_devices);
 305
 306 static struct hid_driver lg_driver = {
 307         .name = "logitech",
 308         .id_table = lg_devices,
 309         .report_fixup = lg_report_fixup,
 310         .input_mapping = lg_input_mapping,
 311         .input_mapped = lg_input_mapped,
 312         .event = lg_event,
 313         .probe = lg_probe,
 314 };
 315
 316 static int lg_init(void)
 317 {
 318         return hid_register_driver(&lg_driver);
 319 }
 320
 321 static void lg_exit(void)
 322 {
 323         hid_unregister_driver(&lg_driver);
 324 }
 325
 326 module_init(lg_init);
 327 module_exit(lg_exit);
 328 MODULE_LICENSE("GPL");