Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 1 | /* |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 2 | * HID driver for Lenovo: |
| 3 | * - ThinkPad USB Keyboard with TrackPoint (tpkbd) |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 4 | * |
| 5 | * Copyright (c) 2012 Bernhard Seibold |
| 6 | */ |
| 7 | |
| 8 | /* |
| 9 | * This program is free software; you can redistribute it and/or modify it |
| 10 | * under the terms of the GNU General Public License as published by the Free |
| 11 | * Software Foundation; either version 2 of the License, or (at your option) |
| 12 | * any later version. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/sysfs.h> |
| 17 | #include <linux/device.h> |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 18 | #include <linux/hid.h> |
| 19 | #include <linux/input.h> |
| 20 | #include <linux/leds.h> |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 21 | |
| 22 | #include "hid-ids.h" |
| 23 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 24 | struct lenovo_drvdata_tpkbd { |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 25 | int led_state; |
| 26 | struct led_classdev led_mute; |
| 27 | struct led_classdev led_micmute; |
| 28 | int press_to_select; |
| 29 | int dragging; |
| 30 | int release_to_select; |
| 31 | int select_right; |
| 32 | int sensitivity; |
| 33 | int press_speed; |
| 34 | }; |
| 35 | |
| 36 | #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c)) |
| 37 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 38 | static int lenovo_input_mapping_tpkbd(struct hid_device *hdev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 39 | struct hid_input *hi, struct hid_field *field, |
| 40 | struct hid_usage *usage, unsigned long **bit, int *max) |
| 41 | { |
Benjamin Tissoires | 0c52183 | 2013-09-11 22:12:24 +0200 | [diff] [blame] | 42 | if (usage->hid == (HID_UP_BUTTON | 0x0010)) { |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 43 | /* This sub-device contains trackpoint, mark it */ |
Benjamin Tissoires | 0c52183 | 2013-09-11 22:12:24 +0200 | [diff] [blame] | 44 | hid_set_drvdata(hdev, (void *)1); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 45 | map_key_clear(KEY_MICMUTE); |
| 46 | return 1; |
| 47 | } |
| 48 | return 0; |
| 49 | } |
| 50 | |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 51 | static int lenovo_input_mapping(struct hid_device *hdev, |
| 52 | struct hid_input *hi, struct hid_field *field, |
| 53 | struct hid_usage *usage, unsigned long **bit, int *max) |
| 54 | { |
| 55 | switch (hdev->product) { |
| 56 | case USB_DEVICE_ID_LENOVO_TPKBD: |
| 57 | return lenovo_input_mapping_tpkbd(hdev, hi, field, |
| 58 | usage, bit, max); |
| 59 | default: |
| 60 | return 0; |
| 61 | } |
| 62 | } |
| 63 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 64 | #undef map_key_clear |
| 65 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 66 | static int lenovo_features_set_tpkbd(struct hid_device *hdev) |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 67 | { |
| 68 | struct hid_report *report; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 69 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 70 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 71 | report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4]; |
| 72 | |
| 73 | report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02; |
| 74 | report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08; |
| 75 | report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20; |
| 76 | report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40; |
| 77 | report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver |
| 78 | report->field[2]->value[0] = data_pointer->sensitivity; |
| 79 | report->field[3]->value[0] = data_pointer->press_speed; |
| 80 | |
Benjamin Tissoires | d8814272 | 2013-02-25 11:31:46 +0100 | [diff] [blame] | 81 | hid_hw_request(hdev, report, HID_REQ_SET_REPORT); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 82 | return 0; |
| 83 | } |
| 84 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 85 | static ssize_t attr_press_to_select_show_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 86 | struct device_attribute *attr, |
| 87 | char *buf) |
| 88 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 89 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 90 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 91 | |
| 92 | return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select); |
| 93 | } |
| 94 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 95 | static ssize_t attr_press_to_select_store_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 96 | struct device_attribute *attr, |
| 97 | const char *buf, |
| 98 | size_t count) |
| 99 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 100 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 101 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 102 | int value; |
| 103 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 104 | if (kstrtoint(buf, 10, &value)) |
| 105 | return -EINVAL; |
| 106 | if (value < 0 || value > 1) |
| 107 | return -EINVAL; |
| 108 | |
| 109 | data_pointer->press_to_select = value; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 110 | lenovo_features_set_tpkbd(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 111 | |
| 112 | return count; |
| 113 | } |
| 114 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 115 | static ssize_t attr_dragging_show_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 116 | struct device_attribute *attr, |
| 117 | char *buf) |
| 118 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 119 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 120 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 121 | |
| 122 | return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging); |
| 123 | } |
| 124 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 125 | static ssize_t attr_dragging_store_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 126 | struct device_attribute *attr, |
| 127 | const char *buf, |
| 128 | size_t count) |
| 129 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 130 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 131 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 132 | int value; |
| 133 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 134 | if (kstrtoint(buf, 10, &value)) |
| 135 | return -EINVAL; |
| 136 | if (value < 0 || value > 1) |
| 137 | return -EINVAL; |
| 138 | |
| 139 | data_pointer->dragging = value; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 140 | lenovo_features_set_tpkbd(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 141 | |
| 142 | return count; |
| 143 | } |
| 144 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 145 | static ssize_t attr_release_to_select_show_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 146 | struct device_attribute *attr, |
| 147 | char *buf) |
| 148 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 149 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 150 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 151 | |
| 152 | return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select); |
| 153 | } |
| 154 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 155 | static ssize_t attr_release_to_select_store_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 156 | struct device_attribute *attr, |
| 157 | const char *buf, |
| 158 | size_t count) |
| 159 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 160 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 161 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 162 | int value; |
| 163 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 164 | if (kstrtoint(buf, 10, &value)) |
| 165 | return -EINVAL; |
| 166 | if (value < 0 || value > 1) |
| 167 | return -EINVAL; |
| 168 | |
| 169 | data_pointer->release_to_select = value; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 170 | lenovo_features_set_tpkbd(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 171 | |
| 172 | return count; |
| 173 | } |
| 174 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 175 | static ssize_t attr_select_right_show_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 176 | struct device_attribute *attr, |
| 177 | char *buf) |
| 178 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 179 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 180 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 181 | |
| 182 | return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right); |
| 183 | } |
| 184 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 185 | static ssize_t attr_select_right_store_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 186 | struct device_attribute *attr, |
| 187 | const char *buf, |
| 188 | size_t count) |
| 189 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 190 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 191 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 192 | int value; |
| 193 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 194 | if (kstrtoint(buf, 10, &value)) |
| 195 | return -EINVAL; |
| 196 | if (value < 0 || value > 1) |
| 197 | return -EINVAL; |
| 198 | |
| 199 | data_pointer->select_right = value; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 200 | lenovo_features_set_tpkbd(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 201 | |
| 202 | return count; |
| 203 | } |
| 204 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 205 | static ssize_t attr_sensitivity_show_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 206 | struct device_attribute *attr, |
| 207 | char *buf) |
| 208 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 209 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 210 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 211 | |
| 212 | return snprintf(buf, PAGE_SIZE, "%u\n", |
| 213 | data_pointer->sensitivity); |
| 214 | } |
| 215 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 216 | static ssize_t attr_sensitivity_store_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 217 | struct device_attribute *attr, |
| 218 | const char *buf, |
| 219 | size_t count) |
| 220 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 221 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 222 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 223 | int value; |
| 224 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 225 | if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) |
| 226 | return -EINVAL; |
| 227 | |
| 228 | data_pointer->sensitivity = value; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 229 | lenovo_features_set_tpkbd(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 230 | |
| 231 | return count; |
| 232 | } |
| 233 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 234 | static ssize_t attr_press_speed_show_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 235 | struct device_attribute *attr, |
| 236 | char *buf) |
| 237 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 238 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 239 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 240 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 241 | return snprintf(buf, PAGE_SIZE, "%u\n", |
| 242 | data_pointer->press_speed); |
| 243 | } |
| 244 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 245 | static ssize_t attr_press_speed_store_tpkbd(struct device *dev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 246 | struct device_attribute *attr, |
| 247 | const char *buf, |
| 248 | size_t count) |
| 249 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 250 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 251 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 252 | int value; |
| 253 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 254 | if (kstrtoint(buf, 10, &value) || value < 1 || value > 255) |
| 255 | return -EINVAL; |
| 256 | |
| 257 | data_pointer->press_speed = value; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 258 | lenovo_features_set_tpkbd(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 259 | |
| 260 | return count; |
| 261 | } |
| 262 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 263 | static struct device_attribute dev_attr_press_to_select_tpkbd = |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 264 | __ATTR(press_to_select, S_IWUSR | S_IRUGO, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 265 | attr_press_to_select_show_tpkbd, |
| 266 | attr_press_to_select_store_tpkbd); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 267 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 268 | static struct device_attribute dev_attr_dragging_tpkbd = |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 269 | __ATTR(dragging, S_IWUSR | S_IRUGO, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 270 | attr_dragging_show_tpkbd, |
| 271 | attr_dragging_store_tpkbd); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 272 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 273 | static struct device_attribute dev_attr_release_to_select_tpkbd = |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 274 | __ATTR(release_to_select, S_IWUSR | S_IRUGO, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 275 | attr_release_to_select_show_tpkbd, |
| 276 | attr_release_to_select_store_tpkbd); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 277 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 278 | static struct device_attribute dev_attr_select_right_tpkbd = |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 279 | __ATTR(select_right, S_IWUSR | S_IRUGO, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 280 | attr_select_right_show_tpkbd, |
| 281 | attr_select_right_store_tpkbd); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 282 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 283 | static struct device_attribute dev_attr_sensitivity_tpkbd = |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 284 | __ATTR(sensitivity, S_IWUSR | S_IRUGO, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 285 | attr_sensitivity_show_tpkbd, |
| 286 | attr_sensitivity_store_tpkbd); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 287 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 288 | static struct device_attribute dev_attr_press_speed_tpkbd = |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 289 | __ATTR(press_speed, S_IWUSR | S_IRUGO, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 290 | attr_press_speed_show_tpkbd, |
| 291 | attr_press_speed_store_tpkbd); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 292 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 293 | static struct attribute *lenovo_attributes_tpkbd[] = { |
| 294 | &dev_attr_press_to_select_tpkbd.attr, |
| 295 | &dev_attr_dragging_tpkbd.attr, |
| 296 | &dev_attr_release_to_select_tpkbd.attr, |
| 297 | &dev_attr_select_right_tpkbd.attr, |
| 298 | &dev_attr_sensitivity_tpkbd.attr, |
| 299 | &dev_attr_press_speed_tpkbd.attr, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 300 | NULL |
| 301 | }; |
| 302 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 303 | static const struct attribute_group lenovo_attr_group_tpkbd = { |
| 304 | .attrs = lenovo_attributes_tpkbd, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 305 | }; |
| 306 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 307 | static enum led_brightness lenovo_led_brightness_get_tpkbd( |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 308 | struct led_classdev *led_cdev) |
| 309 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 310 | struct device *dev = led_cdev->dev->parent; |
| 311 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 312 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 313 | int led_nr = 0; |
| 314 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 315 | if (led_cdev == &data_pointer->led_micmute) |
| 316 | led_nr = 1; |
| 317 | |
| 318 | return data_pointer->led_state & (1 << led_nr) |
| 319 | ? LED_FULL |
| 320 | : LED_OFF; |
| 321 | } |
| 322 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 323 | static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 324 | enum led_brightness value) |
| 325 | { |
Axel Lin | 832fbea | 2012-09-13 14:12:08 +0800 | [diff] [blame] | 326 | struct device *dev = led_cdev->dev->parent; |
| 327 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 328 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 329 | struct hid_report *report; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 330 | int led_nr = 0; |
| 331 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 332 | if (led_cdev == &data_pointer->led_micmute) |
| 333 | led_nr = 1; |
| 334 | |
| 335 | if (value == LED_OFF) |
| 336 | data_pointer->led_state &= ~(1 << led_nr); |
| 337 | else |
| 338 | data_pointer->led_state |= 1 << led_nr; |
| 339 | |
| 340 | report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; |
| 341 | report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; |
| 342 | report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; |
Benjamin Tissoires | d8814272 | 2013-02-25 11:31:46 +0100 | [diff] [blame] | 343 | hid_hw_request(hdev, report, HID_REQ_SET_REPORT); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 344 | } |
| 345 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 346 | static int lenovo_probe_tpkbd(struct hid_device *hdev) |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 347 | { |
| 348 | struct device *dev = &hdev->dev; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 349 | struct lenovo_drvdata_tpkbd *data_pointer; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 350 | size_t name_sz = strlen(dev_name(dev)) + 16; |
| 351 | char *name_mute, *name_micmute; |
Benjamin Tissoires | 01ab35f | 2013-09-11 22:12:23 +0200 | [diff] [blame] | 352 | int i; |
Jamie Lentin | e0a6aad | 2014-07-26 15:42:27 +0100 | [diff] [blame^] | 353 | int ret; |
Kees Cook | 0a9cd0a | 2013-09-11 21:56:55 +0200 | [diff] [blame] | 354 | |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 355 | /* |
| 356 | * Only register extra settings against subdevice where input_mapping |
| 357 | * set drvdata to 1, i.e. the trackpoint. |
| 358 | */ |
| 359 | if (!hid_get_drvdata(hdev)) |
| 360 | return 0; |
| 361 | |
| 362 | hid_set_drvdata(hdev, NULL); |
| 363 | |
Kees Cook | 0a9cd0a | 2013-09-11 21:56:55 +0200 | [diff] [blame] | 364 | /* Validate required reports. */ |
| 365 | for (i = 0; i < 4; i++) { |
| 366 | if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1)) |
| 367 | return -ENODEV; |
| 368 | } |
| 369 | if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2)) |
| 370 | return -ENODEV; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 371 | |
Jamie Lentin | e0a6aad | 2014-07-26 15:42:27 +0100 | [diff] [blame^] | 372 | ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd); |
| 373 | if (ret) |
| 374 | hid_warn(hdev, "Could not create sysfs group: %d\n", ret); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 375 | |
Benjamin Tissoires | 01ab35f | 2013-09-11 22:12:23 +0200 | [diff] [blame] | 376 | data_pointer = devm_kzalloc(&hdev->dev, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 377 | sizeof(struct lenovo_drvdata_tpkbd), |
Benjamin Tissoires | 01ab35f | 2013-09-11 22:12:23 +0200 | [diff] [blame] | 378 | GFP_KERNEL); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 379 | if (data_pointer == NULL) { |
| 380 | hid_err(hdev, "Could not allocate memory for driver data\n"); |
| 381 | return -ENOMEM; |
| 382 | } |
| 383 | |
| 384 | // set same default values as windows driver |
| 385 | data_pointer->sensitivity = 0xa0; |
| 386 | data_pointer->press_speed = 0x38; |
| 387 | |
Benjamin Tissoires | 01ab35f | 2013-09-11 22:12:23 +0200 | [diff] [blame] | 388 | name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); |
| 389 | name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); |
| 390 | if (name_mute == NULL || name_micmute == NULL) { |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 391 | hid_err(hdev, "Could not allocate memory for led data\n"); |
Benjamin Tissoires | 01ab35f | 2013-09-11 22:12:23 +0200 | [diff] [blame] | 392 | return -ENOMEM; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 393 | } |
| 394 | snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev)); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 395 | snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev)); |
| 396 | |
| 397 | hid_set_drvdata(hdev, data_pointer); |
| 398 | |
| 399 | data_pointer->led_mute.name = name_mute; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 400 | data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd; |
| 401 | data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 402 | data_pointer->led_mute.dev = dev; |
| 403 | led_classdev_register(dev, &data_pointer->led_mute); |
| 404 | |
| 405 | data_pointer->led_micmute.name = name_micmute; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 406 | data_pointer->led_micmute.brightness_get = |
| 407 | lenovo_led_brightness_get_tpkbd; |
| 408 | data_pointer->led_micmute.brightness_set = |
| 409 | lenovo_led_brightness_set_tpkbd; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 410 | data_pointer->led_micmute.dev = dev; |
| 411 | led_classdev_register(dev, &data_pointer->led_micmute); |
| 412 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 413 | lenovo_features_set_tpkbd(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 414 | |
| 415 | return 0; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 416 | } |
| 417 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 418 | static int lenovo_probe(struct hid_device *hdev, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 419 | const struct hid_device_id *id) |
| 420 | { |
| 421 | int ret; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 422 | |
| 423 | ret = hid_parse(hdev); |
| 424 | if (ret) { |
| 425 | hid_err(hdev, "hid_parse failed\n"); |
Benjamin Tissoires | 0ccdd9e | 2013-09-11 21:56:59 +0200 | [diff] [blame] | 426 | goto err; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 427 | } |
| 428 | |
| 429 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
| 430 | if (ret) { |
| 431 | hid_err(hdev, "hid_hw_start failed\n"); |
Benjamin Tissoires | 0ccdd9e | 2013-09-11 21:56:59 +0200 | [diff] [blame] | 432 | goto err; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 433 | } |
| 434 | |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 435 | switch (hdev->product) { |
| 436 | case USB_DEVICE_ID_LENOVO_TPKBD: |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 437 | ret = lenovo_probe_tpkbd(hdev); |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 438 | break; |
| 439 | default: |
| 440 | ret = 0; |
| 441 | break; |
Benjamin Tissoires | 0ccdd9e | 2013-09-11 21:56:59 +0200 | [diff] [blame] | 442 | } |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 443 | if (ret) |
| 444 | goto err_hid; |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 445 | |
| 446 | return 0; |
Benjamin Tissoires | 0ccdd9e | 2013-09-11 21:56:59 +0200 | [diff] [blame] | 447 | err_hid: |
| 448 | hid_hw_stop(hdev); |
| 449 | err: |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 450 | return ret; |
| 451 | } |
| 452 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 453 | static void lenovo_remove_tpkbd(struct hid_device *hdev) |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 454 | { |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 455 | struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 456 | |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 457 | /* |
| 458 | * Only the trackpoint half of the keyboard has drvdata and stuff that |
| 459 | * needs unregistering. |
| 460 | */ |
| 461 | if (data_pointer == NULL) |
| 462 | return; |
| 463 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 464 | sysfs_remove_group(&hdev->dev.kobj, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 465 | &lenovo_attr_group_tpkbd); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 466 | |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 467 | led_classdev_unregister(&data_pointer->led_micmute); |
| 468 | led_classdev_unregister(&data_pointer->led_mute); |
| 469 | |
| 470 | hid_set_drvdata(hdev, NULL); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 471 | } |
| 472 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 473 | static void lenovo_remove(struct hid_device *hdev) |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 474 | { |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 475 | switch (hdev->product) { |
| 476 | case USB_DEVICE_ID_LENOVO_TPKBD: |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 477 | lenovo_remove_tpkbd(hdev); |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 478 | break; |
| 479 | } |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 480 | |
| 481 | hid_hw_stop(hdev); |
| 482 | } |
| 483 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 484 | static const struct hid_device_id lenovo_devices[] = { |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 485 | { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, |
| 486 | { } |
| 487 | }; |
| 488 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 489 | MODULE_DEVICE_TABLE(hid, lenovo_devices); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 490 | |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 491 | static struct hid_driver lenovo_driver = { |
| 492 | .name = "lenovo", |
| 493 | .id_table = lenovo_devices, |
Jamie Lentin | 6a5b414 | 2014-07-23 23:30:46 +0100 | [diff] [blame] | 494 | .input_mapping = lenovo_input_mapping, |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 495 | .probe = lenovo_probe, |
| 496 | .remove = lenovo_remove, |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 497 | }; |
Jamie Lentin | 94723bf | 2014-07-23 23:30:45 +0100 | [diff] [blame] | 498 | module_hid_driver(lenovo_driver); |
Bernhard Seibold | c1dcad2d | 2012-02-15 13:40:43 +0100 | [diff] [blame] | 499 | |
| 500 | MODULE_LICENSE("GPL"); |