1256 lines
36 KiB
C
1256 lines
36 KiB
C
/*
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* Copyright (c) 2000-2001 Vojtech Pavlik
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* Copyright (c) 2006-2010 Jiri Kosina
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*
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* HID to Linux Input mapping
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*/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Should you need to contact me, the author, you can do so either by
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* e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
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* Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/kernel.h>
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#include <linux/hid.h>
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#include <linux/hid-debug.h>
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#include "hid-ids.h"
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#define unk KEY_UNKNOWN
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static const unsigned char hid_keyboard[256] = {
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0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
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50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
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4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
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27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
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65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
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105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
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72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
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191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
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115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
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122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,
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unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
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unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
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unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
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unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk,
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29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
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150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
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};
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static const struct {
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__s32 x;
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__s32 y;
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} 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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#define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
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#define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
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#define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
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#define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
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#define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
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&max, EV_ABS, (c))
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#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
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&max, EV_KEY, (c))
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static bool match_scancode(struct hid_usage *usage,
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unsigned int cur_idx, unsigned int scancode)
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{
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return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
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}
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static bool match_keycode(struct hid_usage *usage,
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unsigned int cur_idx, unsigned int keycode)
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{
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/*
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* We should exclude unmapped usages when doing lookup by keycode.
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*/
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return (usage->type == EV_KEY && usage->code == keycode);
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}
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static bool match_index(struct hid_usage *usage,
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unsigned int cur_idx, unsigned int idx)
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{
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return cur_idx == idx;
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}
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typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage,
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unsigned int cur_idx, unsigned int val);
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static struct hid_usage *hidinput_find_key(struct hid_device *hid,
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hid_usage_cmp_t match,
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unsigned int value,
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unsigned int *usage_idx)
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{
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unsigned int i, j, k, cur_idx = 0;
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struct hid_report *report;
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struct hid_usage *usage;
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for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
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list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
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for (i = 0; i < report->maxfield; i++) {
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for (j = 0; j < report->field[i]->maxusage; j++) {
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usage = report->field[i]->usage + j;
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if (usage->type == EV_KEY || usage->type == 0) {
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if (match(usage, cur_idx, value)) {
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if (usage_idx)
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*usage_idx = cur_idx;
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return usage;
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}
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cur_idx++;
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}
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}
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}
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}
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}
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return NULL;
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}
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static struct hid_usage *hidinput_locate_usage(struct hid_device *hid,
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const struct input_keymap_entry *ke,
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unsigned int *index)
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{
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struct hid_usage *usage;
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unsigned int scancode;
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if (ke->flags & INPUT_KEYMAP_BY_INDEX)
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usage = hidinput_find_key(hid, match_index, ke->index, index);
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else if (input_scancode_to_scalar(ke, &scancode) == 0)
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usage = hidinput_find_key(hid, match_scancode, scancode, index);
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else
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usage = NULL;
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return usage;
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}
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static int hidinput_getkeycode(struct input_dev *dev,
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struct input_keymap_entry *ke)
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{
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struct hid_device *hid = input_get_drvdata(dev);
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struct hid_usage *usage;
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unsigned int scancode, index;
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usage = hidinput_locate_usage(hid, ke, &index);
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if (usage) {
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ke->keycode = usage->type == EV_KEY ?
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usage->code : KEY_RESERVED;
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ke->index = index;
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scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE);
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ke->len = sizeof(scancode);
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memcpy(ke->scancode, &scancode, sizeof(scancode));
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return 0;
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}
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return -EINVAL;
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}
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static int hidinput_setkeycode(struct input_dev *dev,
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const struct input_keymap_entry *ke,
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unsigned int *old_keycode)
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{
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struct hid_device *hid = input_get_drvdata(dev);
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struct hid_usage *usage;
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usage = hidinput_locate_usage(hid, ke, NULL);
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if (usage) {
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*old_keycode = usage->type == EV_KEY ?
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usage->code : KEY_RESERVED;
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usage->code = ke->keycode;
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clear_bit(*old_keycode, dev->keybit);
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set_bit(usage->code, dev->keybit);
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dbg_hid("Assigned keycode %d to HID usage code %x\n",
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usage->code, usage->hid);
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/*
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* Set the keybit for the old keycode if the old keycode is used
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* by another key
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*/
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if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL))
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set_bit(*old_keycode, dev->keybit);
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return 0;
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}
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return -EINVAL;
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}
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/**
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* hidinput_calc_abs_res - calculate an absolute axis resolution
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* @field: the HID report field to calculate resolution for
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* @code: axis code
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*
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* The formula is:
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* (logical_maximum - logical_minimum)
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* resolution = ----------------------------------------------------------
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* (physical_maximum - physical_minimum) * 10 ^ unit_exponent
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*
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* as seen in the HID specification v1.11 6.2.2.7 Global Items.
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*
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* Only exponent 1 length units are processed. Centimeters and inches are
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* converted to millimeters. Degrees are converted to radians.
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*/
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static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
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{
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__s32 unit_exponent = field->unit_exponent;
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__s32 logical_extents = field->logical_maximum -
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field->logical_minimum;
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__s32 physical_extents = field->physical_maximum -
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field->physical_minimum;
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__s32 prev;
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/* Check if the extents are sane */
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if (logical_extents <= 0 || physical_extents <= 0)
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return 0;
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/*
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* Verify and convert units.
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* See HID specification v1.11 6.2.2.7 Global Items for unit decoding
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*/
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switch (code) {
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case ABS_X:
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case ABS_Y:
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case ABS_Z:
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if (field->unit == 0x11) { /* If centimeters */
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/* Convert to millimeters */
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unit_exponent += 1;
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} else if (field->unit == 0x13) { /* If inches */
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/* Convert to millimeters */
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prev = physical_extents;
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physical_extents *= 254;
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if (physical_extents < prev)
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return 0;
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unit_exponent -= 1;
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} else {
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return 0;
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}
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break;
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case ABS_RX:
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case ABS_RY:
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case ABS_RZ:
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case ABS_TILT_X:
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case ABS_TILT_Y:
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if (field->unit == 0x14) { /* If degrees */
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/* Convert to radians */
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prev = logical_extents;
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logical_extents *= 573;
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if (logical_extents < prev)
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return 0;
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unit_exponent += 1;
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} else if (field->unit != 0x12) { /* If not radians */
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return 0;
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}
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break;
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default:
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return 0;
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}
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/* Apply negative unit exponent */
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for (; unit_exponent < 0; unit_exponent++) {
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prev = logical_extents;
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logical_extents *= 10;
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if (logical_extents < prev)
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return 0;
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}
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/* Apply positive unit exponent */
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for (; unit_exponent > 0; unit_exponent--) {
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prev = physical_extents;
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physical_extents *= 10;
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if (physical_extents < prev)
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return 0;
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}
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/* Calculate resolution */
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return logical_extents / physical_extents;
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}
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#ifdef CONFIG_HID_BATTERY_STRENGTH
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static enum power_supply_property hidinput_battery_props[] = {
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POWER_SUPPLY_PROP_PRESENT,
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POWER_SUPPLY_PROP_ONLINE,
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POWER_SUPPLY_PROP_CAPACITY,
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POWER_SUPPLY_PROP_MODEL_NAME,
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POWER_SUPPLY_PROP_STATUS,
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POWER_SUPPLY_PROP_SCOPE,
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};
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#define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */
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#define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */
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static const struct hid_device_id hid_battery_quirks[] = {
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{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
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USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
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HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
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{}
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};
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static unsigned find_battery_quirk(struct hid_device *hdev)
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{
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unsigned quirks = 0;
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const struct hid_device_id *match;
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match = hid_match_id(hdev, hid_battery_quirks);
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if (match != NULL)
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quirks = match->driver_data;
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return quirks;
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}
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static int hidinput_get_battery_property(struct power_supply *psy,
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enum power_supply_property prop,
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union power_supply_propval *val)
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{
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struct hid_device *dev = container_of(psy, struct hid_device, battery);
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int ret = 0;
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__u8 buf[2] = {};
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switch (prop) {
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case POWER_SUPPLY_PROP_PRESENT:
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case POWER_SUPPLY_PROP_ONLINE:
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val->intval = 1;
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break;
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case POWER_SUPPLY_PROP_CAPACITY:
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ret = dev->hid_get_raw_report(dev, dev->battery_report_id,
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buf, sizeof(buf),
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dev->battery_report_type);
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if (ret != 2) {
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if (ret >= 0)
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ret = -EINVAL;
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break;
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}
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if (dev->battery_min < dev->battery_max &&
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buf[1] >= dev->battery_min &&
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buf[1] <= dev->battery_max)
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val->intval = (100 * (buf[1] - dev->battery_min)) /
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(dev->battery_max - dev->battery_min);
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break;
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case POWER_SUPPLY_PROP_MODEL_NAME:
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val->strval = dev->name;
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break;
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case POWER_SUPPLY_PROP_STATUS:
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val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
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break;
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case POWER_SUPPLY_PROP_SCOPE:
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val->intval = POWER_SUPPLY_SCOPE_DEVICE;
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break;
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default:
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field)
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{
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struct power_supply *battery = &dev->battery;
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int ret;
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unsigned quirks;
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s32 min, max;
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if (field->usage->hid != HID_DC_BATTERYSTRENGTH)
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return false; /* no match */
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if (battery->name != NULL)
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goto out; /* already initialized? */
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battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq);
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if (battery->name == NULL)
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goto out;
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battery->type = POWER_SUPPLY_TYPE_BATTERY;
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battery->properties = hidinput_battery_props;
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battery->num_properties = ARRAY_SIZE(hidinput_battery_props);
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battery->use_for_apm = 0;
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battery->get_property = hidinput_get_battery_property;
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quirks = find_battery_quirk(dev);
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hid_dbg(dev, "device %x:%x:%x %d quirks %d\n",
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dev->bus, dev->vendor, dev->product, dev->version, quirks);
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|
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min = field->logical_minimum;
|
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max = field->logical_maximum;
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|
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if (quirks & HID_BATTERY_QUIRK_PERCENT) {
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min = 0;
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max = 100;
|
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}
|
|
|
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if (quirks & HID_BATTERY_QUIRK_FEATURE)
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report_type = HID_FEATURE_REPORT;
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|
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dev->battery_min = min;
|
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dev->battery_max = max;
|
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dev->battery_report_type = report_type;
|
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dev->battery_report_id = field->report->id;
|
|
|
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ret = power_supply_register(&dev->dev, battery);
|
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if (ret != 0) {
|
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hid_warn(dev, "can't register power supply: %d\n", ret);
|
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kfree(battery->name);
|
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battery->name = NULL;
|
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}
|
|
|
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power_supply_powers(battery, &dev->dev);
|
|
|
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out:
|
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return true;
|
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}
|
|
|
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static void hidinput_cleanup_battery(struct hid_device *dev)
|
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{
|
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if (!dev->battery.name)
|
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return;
|
|
|
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power_supply_unregister(&dev->battery);
|
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kfree(dev->battery.name);
|
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dev->battery.name = NULL;
|
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}
|
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#else /* !CONFIG_HID_BATTERY_STRENGTH */
|
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static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
|
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struct hid_field *field)
|
|
{
|
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return false;
|
|
}
|
|
|
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static void hidinput_cleanup_battery(struct hid_device *dev)
|
|
{
|
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}
|
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#endif /* CONFIG_HID_BATTERY_STRENGTH */
|
|
|
|
static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
|
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struct hid_usage *usage)
|
|
{
|
|
struct input_dev *input = hidinput->input;
|
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struct hid_device *device = input_get_drvdata(input);
|
|
int max = 0, code;
|
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unsigned long *bit = NULL;
|
|
|
|
field->hidinput = hidinput;
|
|
|
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if (field->flags & HID_MAIN_ITEM_CONSTANT)
|
|
goto ignore;
|
|
|
|
/* only LED usages are supported in output fields */
|
|
if (field->report_type == HID_OUTPUT_REPORT &&
|
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(usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
|
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goto ignore;
|
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}
|
|
|
|
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)
|
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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 0x3d: /* X Tilt */
|
|
map_abs_clear(ABS_TILT_X);
|
|
break;
|
|
|
|
case 0x3e: /* Y Tilt */
|
|
map_abs_clear(ABS_TILT_Y);
|
|
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_GENDEVCTRLS:
|
|
if (hidinput_setup_battery(device, HID_INPUT_REPORT, field))
|
|
goto ignore;
|
|
else
|
|
goto unknown;
|
|
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;
|
|
}
|
|
|
|
/*
|
|
* Ignore out-of-range values as per HID specification,
|
|
* section 5.10 and 6.2.25
|
|
*/
|
|
if ((field->flags & HID_MAIN_ITEM_VARIABLE) &&
|
|
(value < field->logical_minimum ||
|
|
value > field->logical_maximum)) {
|
|
dbg_hid("Ignoring out-of-range value %x\n", value);
|
|
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);
|
|
|
|
struct hid_field *hidinput_get_led_field(struct hid_device *hid)
|
|
{
|
|
struct hid_report *report;
|
|
struct hid_field *field;
|
|
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 == EV_LED)
|
|
return field;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
EXPORT_SYMBOL_GPL(hidinput_get_led_field);
|
|
|
|
unsigned int hidinput_count_leds(struct hid_device *hid)
|
|
{
|
|
struct hid_report *report;
|
|
struct hid_field *field;
|
|
int i, j;
|
|
unsigned int count = 0;
|
|
|
|
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 == EV_LED &&
|
|
field->value[j])
|
|
count += 1;
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
EXPORT_SYMBOL_GPL(hidinput_count_leds);
|
|
|
|
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;
|
|
|
|
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++) {
|
|
/* Verify if Battery Strength feature is available */
|
|
hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]);
|
|
|
|
if (drv->feature_mapping)
|
|
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 (input_register_device(hidinput->input))
|
|
goto out_cleanup;
|
|
hidinput = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
hidinput_cleanup_battery(hid);
|
|
|
|
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);
|
|
|