| /* |
| * Copyright (c) 2000-2001 Vojtech Pavlik |
| * Copyright (c) 2006-2010 Jiri Kosina |
| * |
| * HID to Linux Input mapping |
| */ |
| |
| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Should you need to contact me, the author, you can do so either by |
| * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: |
| * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| #include <linux/kernel.h> |
| |
| #include <linux/hid.h> |
| #include <linux/hid-debug.h> |
| |
| #define unk KEY_UNKNOWN |
| |
| static const unsigned char hid_keyboard[256] = { |
| 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, |
| 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, |
| 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, |
| 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, |
| 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, |
| 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, |
| 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, |
| 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, |
| 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, |
| 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk, |
| unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
| unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk, |
| unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, |
| unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk, |
| 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, |
| 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk |
| }; |
| |
| static const struct { |
| __s32 x; |
| __s32 y; |
| } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; |
| |
| #define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c)) |
| #define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c)) |
| #define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c)) |
| #define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c)) |
| |
| #define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ |
| &max, EV_ABS, (c)) |
| #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ |
| &max, EV_KEY, (c)) |
| |
| static bool match_scancode(struct hid_usage *usage, |
| unsigned int cur_idx, unsigned int scancode) |
| { |
| return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode; |
| } |
| |
| static bool match_keycode(struct hid_usage *usage, |
| unsigned int cur_idx, unsigned int keycode) |
| { |
| /* |
| * We should exclude unmapped usages when doing lookup by keycode. |
| */ |
| return (usage->type == EV_KEY && usage->code == keycode); |
| } |
| |
| static bool match_index(struct hid_usage *usage, |
| unsigned int cur_idx, unsigned int idx) |
| { |
| return cur_idx == idx; |
| } |
| |
| typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage, |
| unsigned int cur_idx, unsigned int val); |
| |
| static struct hid_usage *hidinput_find_key(struct hid_device *hid, |
| hid_usage_cmp_t match, |
| unsigned int value, |
| unsigned int *usage_idx) |
| { |
| unsigned int i, j, k, cur_idx = 0; |
| struct hid_report *report; |
| struct hid_usage *usage; |
| |
| for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { |
| list_for_each_entry(report, &hid->report_enum[k].report_list, list) { |
| for (i = 0; i < report->maxfield; i++) { |
| for (j = 0; j < report->field[i]->maxusage; j++) { |
| usage = report->field[i]->usage + j; |
| if (usage->type == EV_KEY || usage->type == 0) { |
| if (match(usage, cur_idx, value)) { |
| if (usage_idx) |
| *usage_idx = cur_idx; |
| return usage; |
| } |
| cur_idx++; |
| } |
| } |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| static struct hid_usage *hidinput_locate_usage(struct hid_device *hid, |
| const struct input_keymap_entry *ke, |
| unsigned int *index) |
| { |
| struct hid_usage *usage; |
| unsigned int scancode; |
| |
| if (ke->flags & INPUT_KEYMAP_BY_INDEX) |
| usage = hidinput_find_key(hid, match_index, ke->index, index); |
| else if (input_scancode_to_scalar(ke, &scancode) == 0) |
| usage = hidinput_find_key(hid, match_scancode, scancode, index); |
| else |
| usage = NULL; |
| |
| return usage; |
| } |
| |
| static int hidinput_getkeycode(struct input_dev *dev, |
| struct input_keymap_entry *ke) |
| { |
| struct hid_device *hid = input_get_drvdata(dev); |
| struct hid_usage *usage; |
| unsigned int scancode, index; |
| |
| usage = hidinput_locate_usage(hid, ke, &index); |
| if (usage) { |
| ke->keycode = usage->type == EV_KEY ? |
| usage->code : KEY_RESERVED; |
| ke->index = index; |
| scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE); |
| ke->len = sizeof(scancode); |
| memcpy(ke->scancode, &scancode, sizeof(scancode)); |
| return 0; |
| } |
| |
| return -EINVAL; |
| } |
| |
| static int hidinput_setkeycode(struct input_dev *dev, |
| const struct input_keymap_entry *ke, |
| unsigned int *old_keycode) |
| { |
| struct hid_device *hid = input_get_drvdata(dev); |
| struct hid_usage *usage; |
| |
| usage = hidinput_locate_usage(hid, ke, NULL); |
| if (usage) { |
| *old_keycode = usage->type == EV_KEY ? |
| usage->code : KEY_RESERVED; |
| usage->code = ke->keycode; |
| |
| clear_bit(*old_keycode, dev->keybit); |
| set_bit(usage->code, dev->keybit); |
| dbg_hid("Assigned keycode %d to HID usage code %x\n", |
| usage->code, usage->hid); |
| |
| /* |
| * Set the keybit for the old keycode if the old keycode is used |
| * by another key |
| */ |
| if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL)) |
| set_bit(*old_keycode, dev->keybit); |
| |
| return 0; |
| } |
| |
| return -EINVAL; |
| } |
| |
| |
| /** |
| * hidinput_calc_abs_res - calculate an absolute axis resolution |
| * @field: the HID report field to calculate resolution for |
| * @code: axis code |
| * |
| * The formula is: |
| * (logical_maximum - logical_minimum) |
| * resolution = ---------------------------------------------------------- |
| * (physical_maximum - physical_minimum) * 10 ^ unit_exponent |
| * |
| * as seen in the HID specification v1.11 6.2.2.7 Global Items. |
| * |
| * Only exponent 1 length units are processed. Centimeters and inches are |
| * converted to millimeters. Degrees are converted to radians. |
| */ |
| static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code) |
| { |
| __s32 unit_exponent = field->unit_exponent; |
| __s32 logical_extents = field->logical_maximum - |
| field->logical_minimum; |
| __s32 physical_extents = field->physical_maximum - |
| field->physical_minimum; |
| __s32 prev; |
| |
| /* Check if the extents are sane */ |
| if (logical_extents <= 0 || physical_extents <= 0) |
| return 0; |
| |
| /* |
| * Verify and convert units. |
| * See HID specification v1.11 6.2.2.7 Global Items for unit decoding |
| */ |
| if (code == ABS_X || code == ABS_Y || code == ABS_Z) { |
| if (field->unit == 0x11) { /* If centimeters */ |
| /* Convert to millimeters */ |
| unit_exponent += 1; |
| } else if (field->unit == 0x13) { /* If inches */ |
| /* Convert to millimeters */ |
| prev = physical_extents; |
| physical_extents *= 254; |
| if (physical_extents < prev) |
| return 0; |
| unit_exponent -= 1; |
| } else { |
| return 0; |
| } |
| } else if (code == ABS_RX || code == ABS_RY || code == ABS_RZ) { |
| if (field->unit == 0x14) { /* If degrees */ |
| /* Convert to radians */ |
| prev = logical_extents; |
| logical_extents *= 573; |
| if (logical_extents < prev) |
| return 0; |
| unit_exponent += 1; |
| } else if (field->unit != 0x12) { /* If not radians */ |
| return 0; |
| } |
| } else { |
| return 0; |
| } |
| |
| /* Apply negative unit exponent */ |
| for (; unit_exponent < 0; unit_exponent++) { |
| prev = logical_extents; |
| logical_extents *= 10; |
| if (logical_extents < prev) |
| return 0; |
| } |
| /* Apply positive unit exponent */ |
| for (; unit_exponent > 0; unit_exponent--) { |
| prev = physical_extents; |
| physical_extents *= 10; |
| if (physical_extents < prev) |
| return 0; |
| } |
| |
| /* Calculate resolution */ |
| return logical_extents / physical_extents; |
| } |
| |
| static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, |
| struct hid_usage *usage) |
| { |
| struct input_dev *input = hidinput->input; |
| struct hid_device *device = input_get_drvdata(input); |
| int max = 0, code; |
| unsigned long *bit = NULL; |
| |
| field->hidinput = hidinput; |
| |
| if (field->flags & HID_MAIN_ITEM_CONSTANT) |
| goto ignore; |
| |
| /* only LED usages are supported in output fields */ |
| if (field->report_type == HID_OUTPUT_REPORT && |
| (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { |
| goto ignore; |
| } |
| |
| if (device->driver->input_mapping) { |
| int ret = device->driver->input_mapping(device, hidinput, field, |
| usage, &bit, &max); |
| if (ret > 0) |
| goto mapped; |
| if (ret < 0) |
| goto ignore; |
| } |
| |
| switch (usage->hid & HID_USAGE_PAGE) { |
| case HID_UP_UNDEFINED: |
| goto ignore; |
| |
| case HID_UP_KEYBOARD: |
| set_bit(EV_REP, input->evbit); |
| |
| if ((usage->hid & HID_USAGE) < 256) { |
| if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; |
| map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); |
| } else |
| map_key(KEY_UNKNOWN); |
| |
| break; |
| |
| case HID_UP_BUTTON: |
| code = ((usage->hid - 1) & HID_USAGE); |
| |
| switch (field->application) { |
| case HID_GD_MOUSE: |
| case HID_GD_POINTER: code += BTN_MOUSE; break; |
| case HID_GD_JOYSTICK: |
| if (code <= 0xf) |
| code += BTN_JOYSTICK; |
| else |
| code += BTN_TRIGGER_HAPPY; |
| break; |
| case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break; |
| default: |
| switch (field->physical) { |
| case HID_GD_MOUSE: |
| case HID_GD_POINTER: code += BTN_MOUSE; break; |
| case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break; |
| case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break; |
| default: code += BTN_MISC; |
| } |
| } |
| |
| map_key(code); |
| break; |
| |
| case HID_UP_SIMULATION: |
| switch (usage->hid & 0xffff) { |
| case 0xba: map_abs(ABS_RUDDER); break; |
| case 0xbb: map_abs(ABS_THROTTLE); break; |
| case 0xc4: map_abs(ABS_GAS); break; |
| case 0xc5: map_abs(ABS_BRAKE); break; |
| case 0xc8: map_abs(ABS_WHEEL); break; |
| default: goto ignore; |
| } |
| break; |
| |
| case HID_UP_GENDESK: |
| if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ |
| switch (usage->hid & 0xf) { |
| case 0x1: map_key_clear(KEY_POWER); break; |
| case 0x2: map_key_clear(KEY_SLEEP); break; |
| case 0x3: map_key_clear(KEY_WAKEUP); break; |
| case 0x4: map_key_clear(KEY_CONTEXT_MENU); break; |
| case 0x5: map_key_clear(KEY_MENU); break; |
| case 0x6: map_key_clear(KEY_PROG1); break; |
| case 0x7: map_key_clear(KEY_HELP); break; |
| case 0x8: map_key_clear(KEY_EXIT); break; |
| case 0x9: map_key_clear(KEY_SELECT); break; |
| case 0xa: map_key_clear(KEY_RIGHT); break; |
| case 0xb: map_key_clear(KEY_LEFT); break; |
| case 0xc: map_key_clear(KEY_UP); break; |
| case 0xd: map_key_clear(KEY_DOWN); break; |
| case 0xe: map_key_clear(KEY_POWER2); break; |
| case 0xf: map_key_clear(KEY_RESTART); break; |
| default: goto unknown; |
| } |
| break; |
| } |
| |
| if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ |
| switch (usage->hid) { |
| case HID_GD_UP: usage->hat_dir = 1; break; |
| case HID_GD_DOWN: usage->hat_dir = 5; break; |
| case HID_GD_RIGHT: usage->hat_dir = 3; break; |
| case HID_GD_LEFT: usage->hat_dir = 7; break; |
| default: goto unknown; |
| } |
| if (field->dpad) { |
| map_abs(field->dpad); |
| goto ignore; |
| } |
| map_abs(ABS_HAT0X); |
| break; |
| } |
| |
| switch (usage->hid) { |
| /* These usage IDs map directly to the usage codes. */ |
| case HID_GD_X: case HID_GD_Y: case HID_GD_Z: |
| case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: |
| case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: |
| if (field->flags & HID_MAIN_ITEM_RELATIVE) |
| map_rel(usage->hid & 0xf); |
| else |
| map_abs(usage->hid & 0xf); |
| break; |
| |
| case HID_GD_HATSWITCH: |
| usage->hat_min = field->logical_minimum; |
| usage->hat_max = field->logical_maximum; |
| map_abs(ABS_HAT0X); |
| break; |
| |
| case HID_GD_START: map_key_clear(BTN_START); break; |
| case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; |
| |
| default: goto unknown; |
| } |
| |
| break; |
| |
| case HID_UP_LED: |
| switch (usage->hid & 0xffff) { /* HID-Value: */ |
| case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ |
| case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ |
| case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ |
| case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ |
| case 0x05: map_led (LED_KANA); break; /* "Kana" */ |
| case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ |
| case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ |
| case 0x09: map_led (LED_MUTE); break; /* "Mute" */ |
| case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ |
| case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ |
| case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ |
| |
| default: goto ignore; |
| } |
| break; |
| |
| case HID_UP_DIGITIZER: |
| switch (usage->hid & 0xff) { |
| case 0x00: /* Undefined */ |
| goto ignore; |
| |
| case 0x30: /* TipPressure */ |
| if (!test_bit(BTN_TOUCH, input->keybit)) { |
| device->quirks |= HID_QUIRK_NOTOUCH; |
| set_bit(EV_KEY, input->evbit); |
| set_bit(BTN_TOUCH, input->keybit); |
| } |
| map_abs_clear(ABS_PRESSURE); |
| break; |
| |
| case 0x32: /* InRange */ |
| switch (field->physical & 0xff) { |
| case 0x21: map_key(BTN_TOOL_MOUSE); break; |
| case 0x22: map_key(BTN_TOOL_FINGER); break; |
| default: map_key(BTN_TOOL_PEN); break; |
| } |
| break; |
| |
| case 0x3c: /* Invert */ |
| map_key_clear(BTN_TOOL_RUBBER); |
| break; |
| |
| case 0x33: /* Touch */ |
| case 0x42: /* TipSwitch */ |
| case 0x43: /* TipSwitch2 */ |
| device->quirks &= ~HID_QUIRK_NOTOUCH; |
| map_key_clear(BTN_TOUCH); |
| break; |
| |
| case 0x44: /* BarrelSwitch */ |
| map_key_clear(BTN_STYLUS); |
| break; |
| |
| case 0x46: /* TabletPick */ |
| map_key_clear(BTN_STYLUS2); |
| break; |
| |
| default: goto unknown; |
| } |
| break; |
| |
| case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ |
| switch (usage->hid & HID_USAGE) { |
| case 0x000: goto ignore; |
| case 0x030: map_key_clear(KEY_POWER); break; |
| case 0x031: map_key_clear(KEY_RESTART); break; |
| case 0x032: map_key_clear(KEY_SLEEP); break; |
| case 0x034: map_key_clear(KEY_SLEEP); break; |
| case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break; |
| case 0x036: map_key_clear(BTN_MISC); break; |
| |
| case 0x040: map_key_clear(KEY_MENU); break; /* Menu */ |
| case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */ |
| case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */ |
| case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */ |
| case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */ |
| case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */ |
| case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */ |
| case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ |
| case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ |
| |
| case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */ |
| case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */ |
| case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */ |
| case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */ |
| case 0x069: map_key_clear(KEY_RED); break; |
| case 0x06a: map_key_clear(KEY_GREEN); break; |
| case 0x06b: map_key_clear(KEY_BLUE); break; |
| case 0x06c: map_key_clear(KEY_YELLOW); break; |
| case 0x06d: map_key_clear(KEY_ZOOM); break; |
| |
| case 0x082: map_key_clear(KEY_VIDEO_NEXT); break; |
| case 0x083: map_key_clear(KEY_LAST); break; |
| case 0x084: map_key_clear(KEY_ENTER); break; |
| case 0x088: map_key_clear(KEY_PC); break; |
| case 0x089: map_key_clear(KEY_TV); break; |
| case 0x08a: map_key_clear(KEY_WWW); break; |
| case 0x08b: map_key_clear(KEY_DVD); break; |
| case 0x08c: map_key_clear(KEY_PHONE); break; |
| case 0x08d: map_key_clear(KEY_PROGRAM); break; |
| case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; |
| case 0x08f: map_key_clear(KEY_GAMES); break; |
| case 0x090: map_key_clear(KEY_MEMO); break; |
| case 0x091: map_key_clear(KEY_CD); break; |
| case 0x092: map_key_clear(KEY_VCR); break; |
| case 0x093: map_key_clear(KEY_TUNER); break; |
| case 0x094: map_key_clear(KEY_EXIT); break; |
| case 0x095: map_key_clear(KEY_HELP); break; |
| case 0x096: map_key_clear(KEY_TAPE); break; |
| case 0x097: map_key_clear(KEY_TV2); break; |
| case 0x098: map_key_clear(KEY_SAT); break; |
| case 0x09a: map_key_clear(KEY_PVR); break; |
| |
| case 0x09c: map_key_clear(KEY_CHANNELUP); break; |
| case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; |
| case 0x0a0: map_key_clear(KEY_VCR2); break; |
| |
| case 0x0b0: map_key_clear(KEY_PLAY); break; |
| case 0x0b1: map_key_clear(KEY_PAUSE); break; |
| case 0x0b2: map_key_clear(KEY_RECORD); break; |
| case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; |
| case 0x0b4: map_key_clear(KEY_REWIND); break; |
| case 0x0b5: map_key_clear(KEY_NEXTSONG); break; |
| case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; |
| case 0x0b7: map_key_clear(KEY_STOPCD); break; |
| case 0x0b8: map_key_clear(KEY_EJECTCD); break; |
| case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; |
| case 0x0b9: map_key_clear(KEY_SHUFFLE); break; |
| case 0x0bf: map_key_clear(KEY_SLOW); break; |
| |
| case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; |
| case 0x0e0: map_abs_clear(ABS_VOLUME); break; |
| case 0x0e2: map_key_clear(KEY_MUTE); break; |
| case 0x0e5: map_key_clear(KEY_BASSBOOST); break; |
| case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; |
| case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; |
| case 0x0f5: map_key_clear(KEY_SLOW); break; |
| |
| case 0x182: map_key_clear(KEY_BOOKMARKS); break; |
| case 0x183: map_key_clear(KEY_CONFIG); break; |
| case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; |
| case 0x185: map_key_clear(KEY_EDITOR); break; |
| case 0x186: map_key_clear(KEY_SPREADSHEET); break; |
| case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; |
| case 0x188: map_key_clear(KEY_PRESENTATION); break; |
| case 0x189: map_key_clear(KEY_DATABASE); break; |
| case 0x18a: map_key_clear(KEY_MAIL); break; |
| case 0x18b: map_key_clear(KEY_NEWS); break; |
| case 0x18c: map_key_clear(KEY_VOICEMAIL); break; |
| case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; |
| case 0x18e: map_key_clear(KEY_CALENDAR); break; |
| case 0x191: map_key_clear(KEY_FINANCE); break; |
| case 0x192: map_key_clear(KEY_CALC); break; |
| case 0x193: map_key_clear(KEY_PLAYER); break; |
| case 0x194: map_key_clear(KEY_FILE); break; |
| case 0x196: map_key_clear(KEY_WWW); break; |
| case 0x199: map_key_clear(KEY_CHAT); break; |
| case 0x19c: map_key_clear(KEY_LOGOFF); break; |
| case 0x19e: map_key_clear(KEY_COFFEE); break; |
| case 0x1a6: map_key_clear(KEY_HELP); break; |
| case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; |
| case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; |
| case 0x1ae: map_key_clear(KEY_KEYBOARD); break; |
| case 0x1b6: map_key_clear(KEY_IMAGES); break; |
| case 0x1b7: map_key_clear(KEY_AUDIO); break; |
| case 0x1b8: map_key_clear(KEY_VIDEO); break; |
| case 0x1bc: map_key_clear(KEY_MESSENGER); break; |
| case 0x1bd: map_key_clear(KEY_INFO); break; |
| case 0x201: map_key_clear(KEY_NEW); break; |
| case 0x202: map_key_clear(KEY_OPEN); break; |
| case 0x203: map_key_clear(KEY_CLOSE); break; |
| case 0x204: map_key_clear(KEY_EXIT); break; |
| case 0x207: map_key_clear(KEY_SAVE); break; |
| case 0x208: map_key_clear(KEY_PRINT); break; |
| case 0x209: map_key_clear(KEY_PROPS); break; |
| case 0x21a: map_key_clear(KEY_UNDO); break; |
| case 0x21b: map_key_clear(KEY_COPY); break; |
| case 0x21c: map_key_clear(KEY_CUT); break; |
| case 0x21d: map_key_clear(KEY_PASTE); break; |
| case 0x21f: map_key_clear(KEY_FIND); break; |
| case 0x221: map_key_clear(KEY_SEARCH); break; |
| case 0x222: map_key_clear(KEY_GOTO); break; |
| case 0x223: map_key_clear(KEY_HOMEPAGE); break; |
| case 0x224: map_key_clear(KEY_BACK); break; |
| case 0x225: map_key_clear(KEY_FORWARD); break; |
| case 0x226: map_key_clear(KEY_STOP); break; |
| case 0x227: map_key_clear(KEY_REFRESH); break; |
| case 0x22a: map_key_clear(KEY_BOOKMARKS); break; |
| case 0x22d: map_key_clear(KEY_ZOOMIN); break; |
| case 0x22e: map_key_clear(KEY_ZOOMOUT); break; |
| case 0x22f: map_key_clear(KEY_ZOOMRESET); break; |
| case 0x233: map_key_clear(KEY_SCROLLUP); break; |
| case 0x234: map_key_clear(KEY_SCROLLDOWN); break; |
| case 0x238: map_rel(REL_HWHEEL); break; |
| case 0x23d: map_key_clear(KEY_EDIT); break; |
| case 0x25f: map_key_clear(KEY_CANCEL); break; |
| case 0x269: map_key_clear(KEY_INSERT); break; |
| case 0x26a: map_key_clear(KEY_DELETE); break; |
| case 0x279: map_key_clear(KEY_REDO); break; |
| |
| case 0x289: map_key_clear(KEY_REPLY); break; |
| case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; |
| case 0x28c: map_key_clear(KEY_SEND); break; |
| |
| default: goto ignore; |
| } |
| break; |
| |
| case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ |
| set_bit(EV_REP, input->evbit); |
| switch (usage->hid & HID_USAGE) { |
| case 0x021: map_key_clear(KEY_PRINT); break; |
| case 0x070: map_key_clear(KEY_HP); break; |
| case 0x071: map_key_clear(KEY_CAMERA); break; |
| case 0x072: map_key_clear(KEY_SOUND); break; |
| case 0x073: map_key_clear(KEY_QUESTION); break; |
| case 0x080: map_key_clear(KEY_EMAIL); break; |
| case 0x081: map_key_clear(KEY_CHAT); break; |
| case 0x082: map_key_clear(KEY_SEARCH); break; |
| case 0x083: map_key_clear(KEY_CONNECT); break; |
| case 0x084: map_key_clear(KEY_FINANCE); break; |
| case 0x085: map_key_clear(KEY_SPORT); break; |
| case 0x086: map_key_clear(KEY_SHOP); break; |
| default: goto ignore; |
| } |
| break; |
| |
| case HID_UP_MSVENDOR: |
| goto ignore; |
| |
| case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ |
| set_bit(EV_REP, input->evbit); |
| goto ignore; |
| |
| case HID_UP_LOGIVENDOR: |
| goto ignore; |
| |
| case HID_UP_PID: |
| switch (usage->hid & HID_USAGE) { |
| case 0xa4: map_key_clear(BTN_DEAD); break; |
| default: goto ignore; |
| } |
| break; |
| |
| default: |
| unknown: |
| if (field->report_size == 1) { |
| if (field->report->type == HID_OUTPUT_REPORT) { |
| map_led(LED_MISC); |
| break; |
| } |
| map_key(BTN_MISC); |
| break; |
| } |
| if (field->flags & HID_MAIN_ITEM_RELATIVE) { |
| map_rel(REL_MISC); |
| break; |
| } |
| map_abs(ABS_MISC); |
| break; |
| } |
| |
| mapped: |
| if (device->driver->input_mapped && device->driver->input_mapped(device, |
| hidinput, field, usage, &bit, &max) < 0) |
| goto ignore; |
| |
| set_bit(usage->type, input->evbit); |
| |
| while (usage->code <= max && test_and_set_bit(usage->code, bit)) |
| usage->code = find_next_zero_bit(bit, max + 1, usage->code); |
| |
| if (usage->code > max) |
| goto ignore; |
| |
| |
| if (usage->type == EV_ABS) { |
| |
| int a = field->logical_minimum; |
| int b = field->logical_maximum; |
| |
| if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { |
| a = field->logical_minimum = 0; |
| b = field->logical_maximum = 255; |
| } |
| |
| if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) |
| input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); |
| else input_set_abs_params(input, usage->code, a, b, 0, 0); |
| |
| input_abs_set_res(input, usage->code, |
| hidinput_calc_abs_res(field, usage->code)); |
| |
| /* use a larger default input buffer for MT devices */ |
| if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) |
| input_set_events_per_packet(input, 60); |
| } |
| |
| if (usage->type == EV_ABS && |
| (usage->hat_min < usage->hat_max || usage->hat_dir)) { |
| int i; |
| for (i = usage->code; i < usage->code + 2 && i <= max; i++) { |
| input_set_abs_params(input, i, -1, 1, 0, 0); |
| set_bit(i, input->absbit); |
| } |
| if (usage->hat_dir && !field->dpad) |
| field->dpad = usage->code; |
| } |
| |
| /* for those devices which produce Consumer volume usage as relative, |
| * we emulate pressing volumeup/volumedown appropriate number of times |
| * in hidinput_hid_event() |
| */ |
| if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && |
| (usage->code == ABS_VOLUME)) { |
| set_bit(KEY_VOLUMEUP, input->keybit); |
| set_bit(KEY_VOLUMEDOWN, input->keybit); |
| } |
| |
| if (usage->type == EV_KEY) { |
| set_bit(EV_MSC, input->evbit); |
| set_bit(MSC_SCAN, input->mscbit); |
| } |
| |
| ignore: |
| return; |
| |
| } |
| |
| void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) |
| { |
| struct input_dev *input; |
| unsigned *quirks = &hid->quirks; |
| |
| if (!field->hidinput) |
| return; |
| |
| input = field->hidinput->input; |
| |
| if (!usage->type) |
| return; |
| |
| if (usage->hat_min < usage->hat_max || usage->hat_dir) { |
| int hat_dir = usage->hat_dir; |
| if (!hat_dir) |
| hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; |
| if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; |
| input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); |
| input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); |
| return; |
| } |
| |
| if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ |
| *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); |
| return; |
| } |
| |
| if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ |
| if (value) { |
| input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); |
| return; |
| } |
| input_event(input, usage->type, usage->code, 0); |
| input_event(input, usage->type, BTN_TOOL_RUBBER, 0); |
| return; |
| } |
| |
| if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ |
| int a = field->logical_minimum; |
| int b = field->logical_maximum; |
| input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); |
| } |
| |
| if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ |
| dbg_hid("Maximum Effects - %d\n",value); |
| return; |
| } |
| |
| if (usage->hid == (HID_UP_PID | 0x7fUL)) { |
| dbg_hid("PID Pool Report\n"); |
| return; |
| } |
| |
| if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ |
| return; |
| |
| if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && |
| (usage->code == ABS_VOLUME)) { |
| int count = abs(value); |
| int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; |
| int i; |
| |
| for (i = 0; i < count; i++) { |
| input_event(input, EV_KEY, direction, 1); |
| input_sync(input); |
| input_event(input, EV_KEY, direction, 0); |
| input_sync(input); |
| } |
| return; |
| } |
| |
| /* report the usage code as scancode if the key status has changed */ |
| if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) |
| input_event(input, EV_MSC, MSC_SCAN, usage->hid); |
| |
| input_event(input, usage->type, usage->code, value); |
| |
| if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) |
| input_event(input, usage->type, usage->code, 0); |
| } |
| |
| void hidinput_report_event(struct hid_device *hid, struct hid_report *report) |
| { |
| struct hid_input *hidinput; |
| |
| if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) |
| return; |
| |
| list_for_each_entry(hidinput, &hid->inputs, list) |
| input_sync(hidinput->input); |
| } |
| EXPORT_SYMBOL_GPL(hidinput_report_event); |
| |
| int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) |
| { |
| struct hid_report *report; |
| int i, j; |
| |
| list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { |
| for (i = 0; i < report->maxfield; i++) { |
| *field = report->field[i]; |
| for (j = 0; j < (*field)->maxusage; j++) |
| if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) |
| return j; |
| } |
| } |
| return -1; |
| } |
| EXPORT_SYMBOL_GPL(hidinput_find_field); |
| |
| static int hidinput_open(struct input_dev *dev) |
| { |
| struct hid_device *hid = input_get_drvdata(dev); |
| |
| return hid_hw_open(hid); |
| } |
| |
| static void hidinput_close(struct input_dev *dev) |
| { |
| struct hid_device *hid = input_get_drvdata(dev); |
| |
| hid_hw_close(hid); |
| } |
| |
| static void report_features(struct hid_device *hid) |
| { |
| struct hid_driver *drv = hid->driver; |
| struct hid_report_enum *rep_enum; |
| struct hid_report *rep; |
| int i, j; |
| |
| if (!drv->feature_mapping) |
| return; |
| |
| rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; |
| list_for_each_entry(rep, &rep_enum->report_list, list) |
| for (i = 0; i < rep->maxfield; i++) |
| for (j = 0; j < rep->field[i]->maxusage; j++) |
| drv->feature_mapping(hid, rep->field[i], |
| rep->field[i]->usage + j); |
| } |
| |
| /* |
| * Register the input device; print a message. |
| * Configure the input layer interface |
| * Read all reports and initialize the absolute field values. |
| */ |
| |
| int hidinput_connect(struct hid_device *hid, unsigned int force) |
| { |
| struct hid_report *report; |
| struct hid_input *hidinput = NULL; |
| struct input_dev *input_dev; |
| int i, j, k; |
| |
| INIT_LIST_HEAD(&hid->inputs); |
| |
| if (!force) { |
| for (i = 0; i < hid->maxcollection; i++) { |
| struct hid_collection *col = &hid->collection[i]; |
| if (col->type == HID_COLLECTION_APPLICATION || |
| col->type == HID_COLLECTION_PHYSICAL) |
| if (IS_INPUT_APPLICATION(col->usage)) |
| break; |
| } |
| |
| if (i == hid->maxcollection) |
| return -1; |
| } |
| |
| report_features(hid); |
| |
| for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { |
| if (k == HID_OUTPUT_REPORT && |
| hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) |
| continue; |
| |
| list_for_each_entry(report, &hid->report_enum[k].report_list, list) { |
| |
| if (!report->maxfield) |
| continue; |
| |
| if (!hidinput) { |
| hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); |
| input_dev = input_allocate_device(); |
| if (!hidinput || !input_dev) { |
| kfree(hidinput); |
| input_free_device(input_dev); |
| hid_err(hid, "Out of memory during hid input probe\n"); |
| goto out_unwind; |
| } |
| |
| input_set_drvdata(input_dev, hid); |
| input_dev->event = |
| hid->ll_driver->hidinput_input_event; |
| input_dev->open = hidinput_open; |
| input_dev->close = hidinput_close; |
| input_dev->setkeycode = hidinput_setkeycode; |
| input_dev->getkeycode = hidinput_getkeycode; |
| |
| input_dev->name = hid->name; |
| input_dev->phys = hid->phys; |
| input_dev->uniq = hid->uniq; |
| input_dev->id.bustype = hid->bus; |
| input_dev->id.vendor = hid->vendor; |
| input_dev->id.product = hid->product; |
| input_dev->id.version = hid->version; |
| input_dev->dev.parent = hid->dev.parent; |
| hidinput->input = input_dev; |
| list_add_tail(&hidinput->list, &hid->inputs); |
| } |
| |
| for (i = 0; i < report->maxfield; i++) |
| for (j = 0; j < report->field[i]->maxusage; j++) |
| hidinput_configure_usage(hidinput, report->field[i], |
| report->field[i]->usage + j); |
| |
| if (hid->quirks & HID_QUIRK_MULTI_INPUT) { |
| /* This will leave hidinput NULL, so that it |
| * allocates another one if we have more inputs on |
| * the same interface. Some devices (e.g. Happ's |
| * UGCI) cram a lot of unrelated inputs into the |
| * same interface. */ |
| hidinput->report = report; |
| if (hid->driver->input_register && |
| hid->driver->input_register(hid, hidinput)) |
| goto out_cleanup; |
| if (input_register_device(hidinput->input)) |
| goto out_cleanup; |
| hidinput = NULL; |
| } |
| } |
| } |
| |
| if (hidinput && hid->driver->input_register && |
| hid->driver->input_register(hid, hidinput)) |
| goto out_cleanup; |
| |
| if (hidinput && input_register_device(hidinput->input)) |
| goto out_cleanup; |
| |
| return 0; |
| |
| out_cleanup: |
| list_del(&hidinput->list); |
| input_free_device(hidinput->input); |
| kfree(hidinput); |
| out_unwind: |
| /* unwind the ones we already registered */ |
| hidinput_disconnect(hid); |
| |
| return -1; |
| } |
| EXPORT_SYMBOL_GPL(hidinput_connect); |
| |
| void hidinput_disconnect(struct hid_device *hid) |
| { |
| struct hid_input *hidinput, *next; |
| |
| list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { |
| list_del(&hidinput->list); |
| input_unregister_device(hidinput->input); |
| kfree(hidinput); |
| } |
| } |
| EXPORT_SYMBOL_GPL(hidinput_disconnect); |
| |