Jiri Slaby | 78a849a | 2008-06-20 21:26:11 +0200 | [diff] [blame] | 1 | /* |
| 2 | * HID driver for some microsoft "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/input.h> |
| 21 | #include <linux/hid.h> |
| 22 | #include <linux/module.h> |
| 23 | |
| 24 | #include "hid-ids.h" |
| 25 | |
| 26 | #define MS_HIDINPUT 0x01 |
| 27 | #define MS_ERGONOMY 0x02 |
| 28 | #define MS_PRESENTER 0x04 |
| 29 | #define MS_RDESC 0x08 |
| 30 | #define MS_NOGET 0x10 |
| 31 | |
| 32 | /* |
| 33 | * Microsoft Wireless Desktop Receiver (Model 1028) has several |
| 34 | * 'Usage Min/Max' where it ought to have 'Physical Min/Max' |
| 35 | */ |
| 36 | static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
| 37 | unsigned int rsize) |
| 38 | { |
| 39 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); |
| 40 | |
| 41 | if ((quirks & MS_RDESC) && rsize == 571 && rdesc[284] == 0x19 && |
| 42 | rdesc[286] == 0x2a && rdesc[304] == 0x19 && |
| 43 | rdesc[306] == 0x29 && rdesc[352] == 0x1a && |
| 44 | rdesc[355] == 0x2a && rdesc[557] == 0x19 && |
| 45 | rdesc[559] == 0x29) { |
| 46 | dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " |
| 47 | "Model 1028 report descriptor\n"); |
| 48 | rdesc[284] = rdesc[304] = rdesc[557] = 0x35; |
| 49 | rdesc[352] = 0x36; |
| 50 | rdesc[286] = rdesc[355] = 0x46; |
| 51 | rdesc[306] = rdesc[559] = 0x45; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | #define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ |
| 56 | EV_KEY, (c)) |
| 57 | static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, |
| 58 | unsigned long **bit, int *max) |
| 59 | { |
| 60 | struct input_dev *input = hi->input; |
| 61 | |
| 62 | switch (usage->hid & HID_USAGE) { |
| 63 | case 0xfd06: ms_map_key_clear(KEY_CHAT); break; |
| 64 | case 0xfd07: ms_map_key_clear(KEY_PHONE); break; |
| 65 | case 0xff05: |
| 66 | set_bit(EV_REP, input->evbit); |
| 67 | ms_map_key_clear(KEY_F13); |
| 68 | set_bit(KEY_F14, input->keybit); |
| 69 | set_bit(KEY_F15, input->keybit); |
| 70 | set_bit(KEY_F16, input->keybit); |
| 71 | set_bit(KEY_F17, input->keybit); |
| 72 | set_bit(KEY_F18, input->keybit); |
| 73 | default: |
| 74 | return 0; |
| 75 | } |
| 76 | return 1; |
| 77 | } |
| 78 | |
| 79 | static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, |
| 80 | unsigned long **bit, int *max) |
| 81 | { |
| 82 | set_bit(EV_REP, hi->input->evbit); |
| 83 | switch (usage->hid & HID_USAGE) { |
| 84 | case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; |
| 85 | case 0xfd09: ms_map_key_clear(KEY_BACK); break; |
| 86 | case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break; |
| 87 | case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break; |
| 88 | case 0xfd0f: ms_map_key_clear(KEY_PLAY); break; |
| 89 | default: |
| 90 | return 0; |
| 91 | } |
| 92 | return 1; |
| 93 | } |
| 94 | |
| 95 | static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
| 96 | struct hid_field *field, struct hid_usage *usage, |
| 97 | unsigned long **bit, int *max) |
| 98 | { |
| 99 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); |
| 100 | |
| 101 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) |
| 102 | return 0; |
| 103 | |
| 104 | if (quirks & MS_ERGONOMY) { |
| 105 | int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); |
| 106 | if (ret) |
| 107 | return ret; |
| 108 | } |
| 109 | |
| 110 | if ((quirks & MS_PRESENTER) && |
| 111 | ms_presenter_8k_quirk(hi, usage, bit, max)) |
| 112 | return 1; |
| 113 | |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | static int ms_event(struct hid_device *hdev, struct hid_field *field, |
| 118 | struct hid_usage *usage, __s32 value) |
| 119 | { |
| 120 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); |
| 121 | |
| 122 | if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || |
| 123 | !usage->type) |
| 124 | return 0; |
| 125 | |
| 126 | /* Handling MS keyboards special buttons */ |
| 127 | if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { |
| 128 | struct input_dev *input = field->hidinput->input; |
| 129 | static unsigned int last_key = 0; |
| 130 | unsigned int key = 0; |
| 131 | switch (value) { |
| 132 | case 0x01: key = KEY_F14; break; |
| 133 | case 0x02: key = KEY_F15; break; |
| 134 | case 0x04: key = KEY_F16; break; |
| 135 | case 0x08: key = KEY_F17; break; |
| 136 | case 0x10: key = KEY_F18; break; |
| 137 | } |
| 138 | if (key) { |
| 139 | input_event(input, usage->type, key, 1); |
| 140 | last_key = key; |
| 141 | } else |
| 142 | input_event(input, usage->type, last_key, 0); |
| 143 | |
| 144 | return 1; |
| 145 | } |
| 146 | |
| 147 | return 0; |
| 148 | } |
| 149 | |
| 150 | static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) |
| 151 | { |
| 152 | unsigned long quirks = id->driver_data; |
| 153 | int ret; |
| 154 | |
| 155 | hid_set_drvdata(hdev, (void *)quirks); |
| 156 | |
Jiri Slaby | 78a849a | 2008-06-20 21:26:11 +0200 | [diff] [blame] | 157 | if (quirks & MS_NOGET) |
| 158 | hdev->quirks |= HID_QUIRK_NOGET; |
| 159 | |
| 160 | ret = hid_parse(hdev); |
| 161 | if (ret) { |
| 162 | dev_err(&hdev->dev, "parse failed\n"); |
| 163 | goto err_free; |
| 164 | } |
| 165 | |
Jiri Slaby | 93c1013 | 2008-06-27 00:04:24 +0200 | [diff] [blame^] | 166 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? |
| 167 | HID_CONNECT_HIDINPUT_FORCE : 0)); |
Jiri Slaby | 78a849a | 2008-06-20 21:26:11 +0200 | [diff] [blame] | 168 | if (ret) { |
| 169 | dev_err(&hdev->dev, "hw start failed\n"); |
| 170 | goto err_free; |
| 171 | } |
| 172 | |
| 173 | return 0; |
| 174 | err_free: |
| 175 | return ret; |
| 176 | } |
| 177 | |
| 178 | static const struct hid_device_id ms_devices[] = { |
| 179 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), |
| 180 | .driver_data = MS_HIDINPUT }, |
| 181 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), |
| 182 | .driver_data = MS_ERGONOMY }, |
| 183 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), |
| 184 | .driver_data = MS_ERGONOMY | MS_RDESC }, |
| 185 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), |
| 186 | .driver_data = MS_PRESENTER }, |
| 187 | { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), |
| 188 | .driver_data = MS_NOGET }, |
| 189 | |
| 190 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), |
| 191 | .driver_data = MS_PRESENTER }, |
| 192 | { } |
| 193 | }; |
| 194 | MODULE_DEVICE_TABLE(hid, ms_devices); |
| 195 | |
| 196 | static struct hid_driver ms_driver = { |
| 197 | .name = "microsoft", |
| 198 | .id_table = ms_devices, |
| 199 | .report_fixup = ms_report_fixup, |
| 200 | .input_mapping = ms_input_mapping, |
| 201 | .event = ms_event, |
| 202 | .probe = ms_probe, |
| 203 | }; |
| 204 | |
| 205 | static int ms_init(void) |
| 206 | { |
| 207 | return hid_register_driver(&ms_driver); |
| 208 | } |
| 209 | |
| 210 | static void ms_exit(void) |
| 211 | { |
| 212 | hid_unregister_driver(&ms_driver); |
| 213 | } |
| 214 | |
| 215 | module_init(ms_init); |
| 216 | module_exit(ms_exit); |
| 217 | MODULE_LICENSE("GPL"); |
| 218 | |
| 219 | HID_COMPAT_LOAD_DRIVER(microsoft); |