Line data    Source code

       1             : // SPDX-License-Identifier: GPL-2.0-or-later
       2             : /*
       3             :  *  HID driver for some monterey "special" devices
       4             :  *
       5             :  *  Copyright (c) 1999 Andreas Gal
       6             :  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
       7             :  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
       8             :  *  Copyright (c) 2006-2007 Jiri Kosina
       9             :  *  Copyright (c) 2008 Jiri Slaby
      10             :  */
      11             : 
      12             : /*
      13             :  */
      14             : 
      15             : #include <linux/device.h>
      16             : #include <linux/hid.h>
      17             : #include <linux/module.h>
      18             : 
      19             : #include "hid-ids.h"
      20             : 
      21           0 : static __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
      22             :                 unsigned int *rsize)
      23             : {
      24           0 :         if (*rsize >= 31 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {
      25           0 :                 hid_info(hdev, "fixing up button/consumer in HID report descriptor\n");
      26           0 :                 rdesc[30] = 0x0c;
      27             :         }
      28           0 :         return rdesc;
      29             : }
      30             : 
      31             : #define mr_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
      32             :                                         EV_KEY, (c))
      33           0 : static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi,
      34             :                 struct hid_field *field, struct hid_usage *usage,
      35             :                 unsigned long **bit, int *max)
      36             : {
      37           0 :         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
      38             :                 return 0;
      39             : 
      40           0 :         switch (usage->hid & HID_USAGE) {
      41           0 :         case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR);        break;
      42           0 :         case 0x157: mr_map_key_clear(KEY_SPREADSHEET);          break;
      43           0 :         case 0x158: mr_map_key_clear(KEY_PRESENTATION);         break;
      44           0 :         case 0x15c: mr_map_key_clear(KEY_STOP);                 break;
      45             :         default:
      46             :                 return 0;
      47             :         }
      48             :         return 1;
      49             : }
      50             : 
      51             : static const struct hid_device_id mr_devices[] = {
      52             :         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
      53             :         { }
      54             : };
      55             : MODULE_DEVICE_TABLE(hid, mr_devices);
      56             : 
      57             : static struct hid_driver mr_driver = {
      58             :         .name = "monterey",
      59             :         .id_table = mr_devices,
      60             :         .report_fixup = mr_report_fixup,
      61             :         .input_mapping = mr_input_mapping,
      62             : };
      63           1 : module_hid_driver(mr_driver);
      64             : 
      65             : MODULE_LICENSE("GPL");