1 /* 2 * HID driver for some petalynx "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) 2008 Jiri Slaby 9 */ 10 11 /* 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License as published by the Free 14 * Software Foundation; either version 2 of the License, or (at your option) 15 * any later version. 16 */ 17 18 #include <linux/device.h> 19 #include <linux/hid.h> 20 #include <linux/module.h> 21 22 #include "hid-ids.h" 23 24 /* Petalynx Maxter Remote has maximum for consumer page set too low */ 25 static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc, 26 unsigned int *rsize) 27 { 28 if (*rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 && 29 rdesc[41] == 0x00 && rdesc[59] == 0x26 && 30 rdesc[60] == 0xf9 && rdesc[61] == 0x00) { 31 hid_info(hdev, "fixing up Petalynx Maxter Remote report descriptor\n"); 32 rdesc[60] = 0xfa; 33 rdesc[40] = 0xfa; 34 } 35 return rdesc; 36 } 37 38 #define pl_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ 39 EV_KEY, (c)) 40 static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi, 41 struct hid_field *field, struct hid_usage *usage, 42 unsigned long **bit, int *max) 43 { 44 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) { 45 switch (usage->hid & HID_USAGE) { 46 case 0x05a: pl_map_key_clear(KEY_TEXT); break; 47 case 0x05b: pl_map_key_clear(KEY_RED); break; 48 case 0x05c: pl_map_key_clear(KEY_GREEN); break; 49 case 0x05d: pl_map_key_clear(KEY_YELLOW); break; 50 case 0x05e: pl_map_key_clear(KEY_BLUE); break; 51 default: 52 return 0; 53 } 54 return 1; 55 } 56 57 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { 58 switch (usage->hid & HID_USAGE) { 59 case 0x0f6: pl_map_key_clear(KEY_NEXT); break; 60 case 0x0fa: pl_map_key_clear(KEY_BACK); break; 61 default: 62 return 0; 63 } 64 return 1; 65 } 66 67 return 0; 68 } 69 70 static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) 71 { 72 int ret; 73 74 hdev->quirks |= HID_QUIRK_NOGET; 75 76 ret = hid_parse(hdev); 77 if (ret) { 78 hid_err(hdev, "parse failed\n"); 79 goto err_free; 80 } 81 82 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); 83 if (ret) { 84 hid_err(hdev, "hw start failed\n"); 85 goto err_free; 86 } 87 88 return 0; 89 err_free: 90 return ret; 91 } 92 93 static const struct hid_device_id pl_devices[] = { 94 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, 95 { } 96 }; 97 MODULE_DEVICE_TABLE(hid, pl_devices); 98 99 static struct hid_driver pl_driver = { 100 .name = "petalynx", 101 .id_table = pl_devices, 102 .report_fixup = pl_report_fixup, 103 .input_mapping = pl_input_mapping, 104 .probe = pl_probe, 105 }; 106 107 static int __init pl_init(void) 108 { 109 return hid_register_driver(&pl_driver); 110 } 111 112 static void __exit pl_exit(void) 113 { 114 hid_unregister_driver(&pl_driver); 115 } 116 117 module_init(pl_init); 118 module_exit(pl_exit); 119 MODULE_LICENSE("GPL"); 120