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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 846 | giacomo | 1 | /* |
| 2 | * $Id: hid-input.c,v 1.1 2004-09-13 15:04:47 giacomo Exp $ |
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| 3 | * |
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| 4 | * Copyright (c) 2000-2001 Vojtech Pavlik |
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| 5 | * |
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| 6 | * USB HID to Linux Input mapping |
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| 7 | */ |
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| 8 | |||
| 9 | /* |
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| 10 | * This program is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; either version 2 of the License, or |
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| 13 | * (at your option) any later version. |
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| 14 | * |
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| 15 | * This program is distributed in the hope that it will be useful, |
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | * GNU General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU General Public License |
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| 21 | * along with this program; if not, write to the Free Software |
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| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 23 | * |
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| 24 | * Should you need to contact me, the author, you can do so either by |
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| 25 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: |
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| 26 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic |
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| 27 | */ |
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| 28 | |||
| 29 | #include <linuxcomp.h> |
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| 30 | |||
| 31 | #include <linux/module.h> |
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| 32 | #include <linux/slab.h> |
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| 33 | #include <linux/kernel.h> |
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| 34 | #include <linux/input.h> |
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| 35 | #include <linux/usb.h> |
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| 36 | |||
| 37 | #include "hid.h" |
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| 38 | |||
| 39 | #define unk KEY_UNKNOWN |
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| 40 | |||
| 41 | static unsigned char hid_keyboard[256] = { |
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| 42 | 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, |
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| 43 | 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, |
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| 44 | 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, |
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| 45 | 27, 43, 84, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, |
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| 46 | 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, |
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| 47 | 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, |
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| 48 | 72, 73, 82, 83, 86,127,116,117, 85, 89, 90, 91, 92, 93, 94, 95, |
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| 49 | 120,121,122,123,134,138,130,132,128,129,131,137,133,135,136,113, |
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| 50 | 115,114,unk,unk,unk,124,unk,181,182,183,184,185,186,187,188,189, |
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| 51 | 190,191,192,193,194,195,196,197,198,unk,unk,unk,unk,unk,unk,unk, |
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| 52 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
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| 53 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
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| 54 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
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| 55 | unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
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| 56 | 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, |
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| 57 | 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk |
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| 58 | }; |
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| 59 | |||
| 60 | static struct { |
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| 61 | __s32 x; |
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| 62 | __s32 y; |
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| 63 | } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; |
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| 64 | |||
| 65 | static struct input_dev *find_input(struct hid_device *hid, struct hid_field *field) |
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| 66 | { |
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| 67 | struct list_head *lh; |
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| 68 | struct hid_input *hidinput; |
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| 69 | |||
| 70 | list_for_each (lh, &hid->inputs) { |
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| 71 | int i; |
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| 72 | |||
| 73 | hidinput = list_entry(lh, struct hid_input, list); |
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| 74 | |||
| 75 | if (! hidinput->report) |
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| 76 | continue; |
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| 77 | |||
| 78 | for (i = 0; i < hidinput->report->maxfield; i++) |
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| 79 | if (hidinput->report->field[i] == field) |
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| 80 | return &hidinput->input; |
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| 81 | } |
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| 82 | |||
| 83 | /* Assume we only have one input and use it */ |
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| 84 | if (!list_empty(&hid->inputs)) { |
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| 85 | hidinput = list_entry(hid->inputs.next, struct hid_input, list); |
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| 86 | return &hidinput->input; |
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| 87 | } |
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| 88 | |||
| 89 | /* This is really a bug */ |
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| 90 | return NULL; |
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| 91 | } |
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| 92 | |||
| 93 | static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, |
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| 94 | struct hid_usage *usage) |
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| 95 | { |
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| 96 | struct input_dev *input = &hidinput->input; |
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| 97 | struct hid_device *device = hidinput->input.private; |
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| 98 | int max; |
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| 99 | int is_abs = 0; |
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| 100 | unsigned long *bit; |
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| 101 | |||
| 102 | switch (usage->hid & HID_USAGE_PAGE) { |
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| 103 | |||
| 104 | case HID_UP_KEYBOARD: |
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| 105 | |||
| 106 | set_bit(EV_REP, input->evbit); |
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| 107 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 108 | |||
| 109 | if ((usage->hid & HID_USAGE) < 256) { |
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| 110 | if (!(usage->code = hid_keyboard[usage->hid & HID_USAGE])) |
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| 111 | return; |
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| 112 | clear_bit(usage->code, bit); |
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| 113 | } else |
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| 114 | usage->code = KEY_UNKNOWN; |
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| 115 | |||
| 116 | break; |
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| 117 | |||
| 118 | case HID_UP_BUTTON: |
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| 119 | |||
| 120 | usage->code = ((usage->hid - 1) & 0xf) + 0x100; |
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| 121 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 122 | |||
| 123 | switch (field->application) { |
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| 124 | case HID_GD_GAMEPAD: usage->code += 0x10; |
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| 125 | case HID_GD_JOYSTICK: usage->code += 0x10; |
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| 126 | case HID_GD_MOUSE: usage->code += 0x10; break; |
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| 127 | default: |
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| 128 | if (field->physical == HID_GD_POINTER) |
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| 129 | usage->code += 0x10; |
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| 130 | break; |
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| 131 | } |
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| 132 | break; |
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| 133 | |||
| 134 | case HID_UP_GENDESK: |
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| 135 | |||
| 136 | if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ |
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| 137 | switch (usage->hid & 0xf) { |
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| 138 | case 0x1: usage->code = KEY_POWER; break; |
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| 139 | case 0x2: usage->code = KEY_SLEEP; break; |
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| 140 | case 0x3: usage->code = KEY_WAKEUP; break; |
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| 141 | default: usage->code = KEY_UNKNOWN; break; |
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| 142 | } |
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| 143 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 144 | break; |
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| 145 | } |
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| 146 | |||
| 147 | usage->code = usage->hid & 0xf; |
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| 148 | |||
| 149 | if (field->report_size == 1) { |
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| 150 | usage->code = BTN_MISC; |
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| 151 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 152 | break; |
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| 153 | } |
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| 154 | |||
| 155 | if (field->flags & HID_MAIN_ITEM_RELATIVE) { |
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| 156 | usage->type = EV_REL; bit = input->relbit; max = REL_MAX; |
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| 157 | break; |
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| 158 | } |
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| 159 | |||
| 160 | usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; |
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| 161 | |||
| 162 | if (usage->hid == HID_GD_HATSWITCH) { |
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| 163 | usage->code = ABS_HAT0X; |
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| 164 | usage->hat_min = field->logical_minimum; |
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| 165 | usage->hat_max = field->logical_maximum; |
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| 166 | } |
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| 167 | break; |
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| 168 | |||
| 169 | case HID_UP_LED: |
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| 170 | |||
| 171 | usage->code = (usage->hid - 1) & 0xf; |
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| 172 | usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; |
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| 173 | break; |
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| 174 | |||
| 175 | case HID_UP_DIGITIZER: |
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| 176 | |||
| 177 | switch (usage->hid & 0xff) { |
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| 178 | |||
| 179 | case 0x30: /* TipPressure */ |
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| 180 | |||
| 181 | if (!test_bit(BTN_TOUCH, input->keybit)) { |
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| 182 | device->quirks |= HID_QUIRK_NOTOUCH; |
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| 183 | set_bit(EV_KEY, input->evbit); |
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| 184 | set_bit(BTN_TOUCH, input->keybit); |
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| 185 | } |
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| 186 | usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; |
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| 187 | usage->code = ABS_PRESSURE; |
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| 188 | clear_bit(usage->code, bit); |
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| 189 | break; |
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| 190 | |||
| 191 | case 0x32: /* InRange */ |
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| 192 | |||
| 193 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 194 | switch (field->physical & 0xff) { |
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| 195 | case 0x21: usage->code = BTN_TOOL_MOUSE; break; |
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| 196 | case 0x22: usage->code = BTN_TOOL_FINGER; break; |
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| 197 | default: usage->code = BTN_TOOL_PEN; break; |
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| 198 | } |
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| 199 | break; |
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| 200 | |||
| 201 | case 0x3c: /* Invert */ |
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| 202 | |||
| 203 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 204 | usage->code = BTN_TOOL_RUBBER; |
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| 205 | clear_bit(usage->code, bit); |
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| 206 | break; |
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| 207 | |||
| 208 | case 0x33: /* Touch */ |
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| 209 | case 0x42: /* TipSwitch */ |
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| 210 | case 0x43: /* TipSwitch2 */ |
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| 211 | |||
| 212 | device->quirks &= ~HID_QUIRK_NOTOUCH; |
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| 213 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 214 | usage->code = BTN_TOUCH; |
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| 215 | clear_bit(usage->code, bit); |
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| 216 | break; |
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| 217 | |||
| 218 | case 0x44: /* BarrelSwitch */ |
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| 219 | |||
| 220 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 221 | usage->code = BTN_STYLUS; |
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| 222 | clear_bit(usage->code, bit); |
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| 223 | break; |
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| 224 | |||
| 225 | default: goto unknown; |
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| 226 | } |
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| 227 | break; |
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| 228 | |||
| 229 | case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ |
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| 230 | |||
| 231 | set_bit(EV_REP, input->evbit); |
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| 232 | switch (usage->hid & HID_USAGE) { |
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| 233 | case 0x000: usage->code = 0; break; |
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| 234 | case 0x034: usage->code = KEY_SLEEP; break; |
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| 235 | case 0x036: usage->code = BTN_MISC; break; |
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| 236 | case 0x08a: usage->code = KEY_WWW; break; |
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| 237 | case 0x095: usage->code = KEY_HELP; break; |
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| 238 | |||
| 239 | case 0x0b0: usage->code = KEY_PLAY; break; |
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| 240 | case 0x0b1: usage->code = KEY_PAUSE; break; |
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| 241 | case 0x0b2: usage->code = KEY_RECORD; break; |
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| 242 | case 0x0b3: usage->code = KEY_FASTFORWARD; break; |
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| 243 | case 0x0b4: usage->code = KEY_REWIND; break; |
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| 244 | case 0x0b5: usage->code = KEY_NEXTSONG; break; |
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| 245 | case 0x0b6: usage->code = KEY_PREVIOUSSONG; break; |
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| 246 | case 0x0b7: usage->code = KEY_STOPCD; break; |
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| 247 | case 0x0b8: usage->code = KEY_EJECTCD; break; |
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| 248 | case 0x0cd: usage->code = KEY_PLAYPAUSE; break; |
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| 249 | case 0x0e0: is_abs = 1; |
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| 250 | usage->code = ABS_VOLUME; |
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| 251 | break; |
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| 252 | case 0x0e2: usage->code = KEY_MUTE; break; |
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| 253 | case 0x0e5: usage->code = KEY_BASSBOOST; break; |
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| 254 | case 0x0e9: usage->code = KEY_VOLUMEUP; break; |
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| 255 | case 0x0ea: usage->code = KEY_VOLUMEDOWN; break; |
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| 256 | |||
| 257 | case 0x183: usage->code = KEY_CONFIG; break; |
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| 258 | case 0x18a: usage->code = KEY_MAIL; break; |
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| 259 | case 0x192: usage->code = KEY_CALC; break; |
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| 260 | case 0x194: usage->code = KEY_FILE; break; |
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| 261 | case 0x21a: usage->code = KEY_UNDO; break; |
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| 262 | case 0x21b: usage->code = KEY_COPY; break; |
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| 263 | case 0x21c: usage->code = KEY_CUT; break; |
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| 264 | case 0x21d: usage->code = KEY_PASTE; break; |
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| 265 | |||
| 266 | case 0x221: usage->code = KEY_FIND; break; |
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| 267 | case 0x223: usage->code = KEY_HOMEPAGE; break; |
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| 268 | case 0x224: usage->code = KEY_BACK; break; |
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| 269 | case 0x225: usage->code = KEY_FORWARD; break; |
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| 270 | case 0x226: usage->code = KEY_STOP; break; |
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| 271 | case 0x227: usage->code = KEY_REFRESH; break; |
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| 272 | case 0x22a: usage->code = KEY_BOOKMARKS; break; |
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| 273 | |||
| 274 | default: usage->code = KEY_UNKNOWN; break; |
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| 275 | } |
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| 276 | |||
| 277 | if (is_abs) { |
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| 278 | usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; |
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| 279 | } else { |
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| 280 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 281 | } |
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| 282 | break; |
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| 283 | |||
| 284 | case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ |
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| 285 | |||
| 286 | set_bit(EV_REP, input->evbit); |
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| 287 | switch (usage->hid & HID_USAGE) { |
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| 288 | case 0x021: usage->code = KEY_PRINT; break; |
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| 289 | case 0x070: usage->code = KEY_HP; break; |
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| 290 | case 0x071: usage->code = KEY_CAMERA; break; |
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| 291 | case 0x072: usage->code = KEY_SOUND; break; |
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| 292 | case 0x073: usage->code = KEY_QUESTION; break; |
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| 293 | |||
| 294 | case 0x080: usage->code = KEY_EMAIL; break; |
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| 295 | case 0x081: usage->code = KEY_CHAT; break; |
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| 296 | case 0x082: usage->code = KEY_SEARCH; break; |
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| 297 | case 0x083: usage->code = KEY_CONNECT; break; |
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| 298 | case 0x084: usage->code = KEY_FINANCE; break; |
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| 299 | case 0x085: usage->code = KEY_SPORT; break; |
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| 300 | case 0x086: usage->code = KEY_SHOP; break; |
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| 301 | |||
| 302 | default: usage->code = KEY_UNKNOWN; break; |
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| 303 | |||
| 304 | } |
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| 305 | |||
| 306 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 307 | break; |
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| 308 | |||
| 309 | case HID_UP_PID: |
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| 310 | |||
| 311 | usage->type = EV_FF; bit = input->ffbit; max = FF_MAX; |
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| 312 | |||
| 313 | switch(usage->hid & HID_USAGE) { |
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| 314 | case 0x26: set_bit(FF_CONSTANT, input->ffbit); break; |
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| 315 | case 0x27: set_bit(FF_RAMP, input->ffbit); break; |
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| 316 | case 0x28: set_bit(FF_CUSTOM, input->ffbit); break; |
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| 317 | case 0x30: set_bit(FF_SQUARE, input->ffbit); |
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| 318 | set_bit(FF_PERIODIC, input->ffbit); break; |
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| 319 | case 0x31: set_bit(FF_SINE, input->ffbit); |
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| 320 | set_bit(FF_PERIODIC, input->ffbit); break; |
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| 321 | case 0x32: set_bit(FF_TRIANGLE, input->ffbit); |
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| 322 | set_bit(FF_PERIODIC, input->ffbit); break; |
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| 323 | case 0x33: set_bit(FF_SAW_UP, input->ffbit); |
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| 324 | set_bit(FF_PERIODIC, input->ffbit); break; |
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| 325 | case 0x34: set_bit(FF_SAW_DOWN, input->ffbit); |
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| 326 | set_bit(FF_PERIODIC, input->ffbit); break; |
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| 327 | case 0x40: set_bit(FF_SPRING, input->ffbit); break; |
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| 328 | case 0x41: set_bit(FF_DAMPER, input->ffbit); break; |
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| 329 | case 0x42: set_bit(FF_INERTIA , input->ffbit); break; |
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| 330 | case 0x43: set_bit(FF_FRICTION, input->ffbit); break; |
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| 331 | case 0x7e: usage->code = FF_GAIN; break; |
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| 332 | case 0x83: /* Simultaneous Effects Max */ |
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| 333 | input->ff_effects_max = (field->value[0]); |
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| 334 | dbg("Maximum Effects - %d",input->ff_effects_max); |
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| 335 | break; |
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| 336 | case 0x98: /* Device Control */ |
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| 337 | usage->code = FF_AUTOCENTER; break; |
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| 338 | case 0xa4: /* Safety Switch */ |
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| 339 | usage->code = BTN_DEAD; |
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| 340 | bit = input->keybit; |
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| 341 | usage->type = EV_KEY; |
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| 342 | max = KEY_MAX; |
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| 343 | dbg("Safety Switch Report\n"); |
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| 344 | break; |
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| 345 | case 0x9f: /* Device Paused */ |
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| 346 | case 0xa0: /* Actuators Enabled */ |
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| 347 | dbg("Not telling the input API about "); |
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| 348 | resolv_usage(usage->hid); |
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| 349 | return; |
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| 350 | } |
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| 351 | break; |
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| 352 | default: |
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| 353 | unknown: |
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| 354 | resolv_usage(usage->hid); |
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| 355 | |||
| 356 | if (field->report_size == 1) { |
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| 357 | |||
| 358 | if (field->report->type == HID_OUTPUT_REPORT) { |
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| 359 | usage->code = LED_MISC; |
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| 360 | usage->type = EV_LED; bit = input->ledbit; max = LED_MAX; |
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| 361 | break; |
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| 362 | } |
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| 363 | |||
| 364 | usage->code = BTN_MISC; |
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| 365 | usage->type = EV_KEY; bit = input->keybit; max = KEY_MAX; |
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| 366 | break; |
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| 367 | } |
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| 368 | |||
| 369 | if (field->flags & HID_MAIN_ITEM_RELATIVE) { |
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| 370 | usage->code = REL_MISC; |
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| 371 | usage->type = EV_REL; bit = input->relbit; max = REL_MAX; |
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| 372 | break; |
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| 373 | } |
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| 374 | |||
| 375 | usage->code = ABS_MISC; |
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| 376 | usage->type = EV_ABS; bit = input->absbit; max = ABS_MAX; |
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| 377 | break; |
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| 378 | } |
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| 379 | |||
| 380 | set_bit(usage->type, input->evbit); |
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| 381 | if ((usage->type == EV_REL) |
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| 382 | && (device->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK) |
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| 383 | && (usage->code == REL_WHEEL)) { |
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| 384 | set_bit(REL_HWHEEL, bit); |
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| 385 | } |
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| 386 | |||
| 387 | while (usage->code <= max && test_and_set_bit(usage->code, bit)) { |
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| 388 | usage->code = find_next_zero_bit(bit, max + 1, usage->code); |
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| 389 | } |
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| 390 | |||
| 391 | if (usage->code > max) |
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| 392 | return; |
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| 393 | |||
| 394 | if (usage->type == EV_ABS) { |
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| 395 | int a = field->logical_minimum; |
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| 396 | int b = field->logical_maximum; |
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| 397 | |||
| 398 | if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { |
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| 399 | a = field->logical_minimum = 0; |
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| 400 | b = field->logical_maximum = 255; |
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| 401 | } |
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| 402 | |||
| 403 | input->absmin[usage->code] = a; |
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| 404 | input->absmax[usage->code] = b; |
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| 405 | input->absfuzz[usage->code] = 0; |
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| 406 | input->absflat[usage->code] = 0; |
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| 407 | |||
| 408 | if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) { |
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| 409 | input->absfuzz[usage->code] = (b - a) >> 8; |
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| 410 | input->absflat[usage->code] = (b - a) >> 4; |
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| 411 | } |
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| 412 | } |
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| 413 | |||
| 414 | if (usage->hat_min != usage->hat_max) { |
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| 415 | int i; |
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| 416 | for (i = usage->code; i < usage->code + 2 && i <= max; i++) { |
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| 417 | input->absmax[i] = 1; |
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| 418 | input->absmin[i] = -1; |
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| 419 | input->absfuzz[i] = 0; |
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| 420 | input->absflat[i] = 0; |
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| 421 | } |
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| 422 | set_bit(usage->code + 1, input->absbit); |
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| 423 | } |
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| 424 | } |
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| 425 | |||
| 426 | void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs) |
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| 427 | { |
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| 428 | struct input_dev *input = find_input(hid, field); |
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| 429 | int *quirks = &hid->quirks; |
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| 430 | |||
| 431 | if (!input) |
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| 432 | return; |
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| 433 | |||
| 434 | input_regs(input, regs); |
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| 435 | |||
| 436 | if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK) |
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| 437 | && (usage->code == BTN_BACK)) { |
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| 438 | if (value) |
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| 439 | hid->quirks |= HID_QUIRK_2WHEEL_MOUSE_HACK_ON; |
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| 440 | else |
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| 441 | hid->quirks &= ~HID_QUIRK_2WHEEL_MOUSE_HACK_ON; |
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| 442 | return; |
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| 443 | } |
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| 444 | if ((hid->quirks & HID_QUIRK_2WHEEL_MOUSE_HACK_ON) |
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| 445 | && (usage->code == REL_WHEEL)) { |
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| 446 | input_event(input, usage->type, REL_HWHEEL, value); |
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| 447 | return; |
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| 448 | } |
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| 449 | |||
| 450 | if (usage->hat_min != usage->hat_max) { |
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| 451 | value = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; |
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| 452 | if (value < 0 || value > 8) value = 0; |
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| 453 | input_event(input, usage->type, usage->code , hid_hat_to_axis[value].x); |
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| 454 | input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[value].y); |
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| 455 | return; |
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| 456 | } |
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| 457 | |||
| 458 | if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ |
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| 459 | *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); |
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| 460 | return; |
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| 461 | } |
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| 462 | |||
| 463 | if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ |
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| 464 | if (value) { |
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| 465 | input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); |
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| 466 | return; |
||
| 467 | } |
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| 468 | input_event(input, usage->type, usage->code, 0); |
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| 469 | input_event(input, usage->type, BTN_TOOL_RUBBER, 0); |
||
| 470 | return; |
||
| 471 | } |
||
| 472 | |||
| 473 | if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ |
||
| 474 | int a = field->logical_minimum; |
||
| 475 | int b = field->logical_maximum; |
||
| 476 | input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); |
||
| 477 | } |
||
| 478 | |||
| 479 | if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ |
||
| 480 | input->ff_effects_max = value; |
||
| 481 | dbg("Maximum Effects - %d",input->ff_effects_max); |
||
| 482 | return; |
||
| 483 | } |
||
| 484 | if (usage->hid == (HID_UP_PID | 0x7fUL)) { |
||
| 485 | dbg("PID Pool Report\n"); |
||
| 486 | return; |
||
| 487 | } |
||
| 488 | |||
| 489 | if((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UKNOWN */ |
||
| 490 | return; |
||
| 491 | |||
| 492 | input_event(input, usage->type, usage->code, value); |
||
| 493 | |||
| 494 | if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) |
||
| 495 | input_event(input, usage->type, usage->code, 0); |
||
| 496 | } |
||
| 497 | |||
| 498 | void hidinput_report_event(struct hid_device *hid, struct hid_report *report) |
||
| 499 | { |
||
| 500 | struct list_head *lh; |
||
| 501 | struct hid_input *hidinput; |
||
| 502 | |||
| 503 | list_for_each (lh, &hid->inputs) { |
||
| 504 | hidinput = list_entry(lh, struct hid_input, list); |
||
| 505 | input_sync(&hidinput->input); |
||
| 506 | } |
||
| 507 | } |
||
| 508 | |||
| 509 | static int hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) |
||
| 510 | { |
||
| 511 | struct hid_device *hid = dev->private; |
||
| 512 | struct hid_field *field = NULL; |
||
| 513 | int offset; |
||
| 514 | |||
| 515 | if (type == EV_FF) |
||
| 516 | return hid_ff_event(hid, dev, type, code, value); |
||
| 517 | |||
| 518 | if ((offset = hid_find_field(hid, type, code, &field)) == -1) { |
||
| 519 | warn("event field not found"); |
||
| 520 | return -1; |
||
| 521 | } |
||
| 522 | |||
| 523 | hid_set_field(field, offset, value); |
||
| 524 | hid_submit_report(hid, field->report, USB_DIR_OUT); |
||
| 525 | |||
| 526 | return 0; |
||
| 527 | } |
||
| 528 | |||
| 529 | static int hidinput_open(struct input_dev *dev) |
||
| 530 | { |
||
| 531 | struct hid_device *hid = dev->private; |
||
| 532 | return hid_open(hid); |
||
| 533 | } |
||
| 534 | |||
| 535 | static void hidinput_close(struct input_dev *dev) |
||
| 536 | { |
||
| 537 | struct hid_device *hid = dev->private; |
||
| 538 | hid_close(hid); |
||
| 539 | } |
||
| 540 | |||
| 541 | /* |
||
| 542 | * Register the input device; print a message. |
||
| 543 | * Configure the input layer interface |
||
| 544 | * Read all reports and initialize the absolute field values. |
||
| 545 | */ |
||
| 546 | |||
| 547 | int hidinput_connect(struct hid_device *hid) |
||
| 548 | { |
||
| 549 | struct usb_device *dev = hid->dev; |
||
| 550 | struct hid_report_enum *report_enum; |
||
| 551 | struct hid_report *report; |
||
| 552 | struct list_head *list; |
||
| 553 | struct hid_input *hidinput = NULL; |
||
| 554 | int i, j, k; |
||
| 555 | |||
| 556 | INIT_LIST_HEAD(&hid->inputs); |
||
| 557 | |||
| 558 | for (i = 0; i < hid->maxcollection; i++) |
||
| 559 | if (hid->collection[i].type == HID_COLLECTION_APPLICATION && |
||
| 560 | IS_INPUT_APPLICATION(hid->collection[i].usage)) |
||
| 561 | break; |
||
| 562 | |||
| 563 | if (i == hid->maxcollection) |
||
| 564 | return -1; |
||
| 565 | |||
| 566 | for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { |
||
| 567 | report_enum = hid->report_enum + k; |
||
| 568 | list = report_enum->report_list.next; |
||
| 569 | while (list != &report_enum->report_list) { |
||
| 570 | report = (struct hid_report *) list; |
||
| 571 | |||
| 572 | if (!report->maxfield) |
||
| 573 | continue; |
||
| 574 | |||
| 575 | if (!hidinput) { |
||
| 576 | hidinput = kmalloc(sizeof(*hidinput), GFP_KERNEL); |
||
| 577 | if (!hidinput) { |
||
| 578 | err("Out of memory during hid input probe"); |
||
| 579 | return -1; |
||
| 580 | } |
||
| 581 | memset(hidinput, 0, sizeof(*hidinput)); |
||
| 582 | |||
| 583 | list_add_tail(&hidinput->list, &hid->inputs); |
||
| 584 | |||
| 585 | hidinput->input.private = hid; |
||
| 586 | hidinput->input.event = hidinput_input_event; |
||
| 587 | hidinput->input.open = hidinput_open; |
||
| 588 | hidinput->input.close = hidinput_close; |
||
| 589 | |||
| 590 | hidinput->input.name = hid->name; |
||
| 591 | hidinput->input.phys = hid->phys; |
||
| 592 | hidinput->input.uniq = hid->uniq; |
||
| 593 | hidinput->input.id.bustype = BUS_USB; |
||
| 594 | hidinput->input.id.vendor = dev->descriptor.idVendor; |
||
| 595 | hidinput->input.id.product = dev->descriptor.idProduct; |
||
| 596 | hidinput->input.id.version = dev->descriptor.bcdDevice; |
||
| 597 | } |
||
| 598 | |||
| 599 | for (i = 0; i < report->maxfield; i++) |
||
| 600 | for (j = 0; j < report->field[i]->maxusage; j++) |
||
| 601 | hidinput_configure_usage(hidinput, report->field[i], |
||
| 602 | report->field[i]->usage + j); |
||
| 603 | |||
| 604 | if (hid->quirks & HID_QUIRK_MULTI_INPUT) { |
||
| 605 | /* This will leave hidinput NULL, so that it |
||
| 606 | * allocates another one if we have more inputs on |
||
| 607 | * the same interface. Some devices (e.g. Happ's |
||
| 608 | * UGCI) cram a lot of unrelated inputs into the |
||
| 609 | * same interface. */ |
||
| 610 | hidinput->report = report; |
||
| 611 | input_register_device(&hidinput->input); |
||
| 612 | hidinput = NULL; |
||
| 613 | } |
||
| 614 | |||
| 615 | list = list->next; |
||
| 616 | } |
||
| 617 | } |
||
| 618 | |||
| 619 | /* This only gets called when we are a single-input (most of the |
||
| 620 | * time). IOW, not a HID_QUIRK_MULTI_INPUT. The hid_ff_init() is |
||
| 621 | * only useful in this case, and not for multi-input quirks. */ |
||
| 622 | if (hidinput) { |
||
| 623 | hid_ff_init(hid); |
||
| 624 | input_register_device(&hidinput->input); |
||
| 625 | } |
||
| 626 | |||
| 627 | return 0; |
||
| 628 | } |
||
| 629 | |||
| 630 | void hidinput_disconnect(struct hid_device *hid) |
||
| 631 | { |
||
| 632 | struct list_head *lh, *next; |
||
| 633 | struct hid_input *hidinput; |
||
| 634 | |||
| 635 | list_for_each_safe (lh, next, &hid->inputs) { |
||
| 636 | hidinput = list_entry(lh, struct hid_input, list); |
||
| 637 | input_unregister_device(&hidinput->input); |
||
| 638 | list_del(&hidinput->list); |
||
| 639 | kfree(hidinput); |
||
| 640 | } |
||
| 641 | } |