124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2019 MediaTek Inc.
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*/
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#include "tpd.h"
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/* #ifdef TPD_HAVE_BUTTON */
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/* static int tpd_keys[TPD_KEY_COUNT] = TPD_KEYS; */
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/* static int tpd_keys_dim[TPD_KEY_COUNT][4] = TPD_KEYS_DIM; */
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static unsigned int tpd_keycnt;
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static int tpd_keys[TPD_VIRTUAL_KEY_MAX] = { 0 };
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static int tpd_keys_dim[TPD_VIRTUAL_KEY_MAX][4]; /* = {0}; */
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static ssize_t mtk_virtual_keys_show(struct kobject *kobj,
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struct kobj_attribute *attr, char *buf)
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{
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int i, j;
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for (i = 0, j = 0; i < tpd_keycnt; i++)
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j += snprintf(buf+j, PAGE_SIZE-j, "%s%s:%d:%d:%d:%d:%d%s", buf,
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__stringify(EV_KEY), tpd_keys[i],
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tpd_keys_dim[i][0], tpd_keys_dim[i][1],
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tpd_keys_dim[i][2], tpd_keys_dim[i][3],
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(i == tpd_keycnt - 1 ? "\n" : ":"));
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return j;
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}
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static struct kobj_attribute mtk_virtual_keys_attr = {
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.attr = {
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.name = "virtualkeys.mtk-tpd",
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.mode = 0644,
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},
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.show = &mtk_virtual_keys_show,
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};
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static struct attribute *mtk_properties_attrs[] = {
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&mtk_virtual_keys_attr.attr,
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NULL
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};
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static struct attribute_group mtk_properties_attr_group = {
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.attrs = mtk_properties_attrs,
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};
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struct kobject *properties_kobj;
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void tpd_button_init(void)
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{
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int ret = 0, i = 0;
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/* if((tpd->kpd=input_allocate_device())==NULL) return -ENOMEM; */
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tpd->kpd = input_allocate_device();
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/* struct input_dev kpd initialization and registration */
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tpd->kpd->name = TPD_DEVICE "-kpd";
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set_bit(EV_KEY, tpd->kpd->evbit);
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/* set_bit(EV_REL, tpd->kpd->evbit); */
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/* set_bit(EV_ABS, tpd->kpd->evbit); */
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for (i = 0; i < tpd_keycnt; i++)
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__set_bit(tpd_keys[i], tpd->kpd->keybit);
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tpd->kpd->id.bustype = BUS_HOST;
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tpd->kpd->id.vendor = 0x0001;
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tpd->kpd->id.product = 0x0001;
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tpd->kpd->id.version = 0x0100;
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if (input_register_device(tpd->kpd))
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TPD_DMESG("input_register_device failed.(kpd)\n");
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set_bit(EV_KEY, tpd->dev->evbit);
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for (i = 0; i < tpd_keycnt; i++)
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__set_bit(tpd_keys[i], tpd->dev->keybit);
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properties_kobj = kobject_create_and_add("board_properties", NULL);
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if (properties_kobj)
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ret = sysfs_create_group(properties_kobj,
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&mtk_properties_attr_group);
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if (!properties_kobj || ret)
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TPD_DEBUG("failed to create board_properties\n");
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}
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void tpd_button(unsigned int x, unsigned int y, unsigned int down)
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{
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int i;
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bool report;
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if (down) {
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for (i = 0; i < tpd_keycnt; i++) {
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report = x >= tpd_keys_dim[i][0] -
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(tpd_keys_dim[i][2] / 2) &&
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x <= tpd_keys_dim[i][0] +
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(tpd_keys_dim[i][2] / 2) &&
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y >= tpd_keys_dim[i][1] -
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(tpd_keys_dim[i][3] / 2) &&
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y <= tpd_keys_dim[i][1] +
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(tpd_keys_dim[i][3] / 2) &&
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!(tpd->btn_state & (1 << i));
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if (report) {
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input_report_key(tpd->kpd, tpd_keys[i], 1);
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input_sync(tpd->kpd);
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tpd->btn_state |= (1 << i);
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TPD_DEBUG("press key %d (%d)\n",
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i, tpd_keys[i]);
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}
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}
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} else {
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for (i = 0; i < tpd_keycnt; i++) {
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if (tpd->btn_state & (1 << i)) {
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input_report_key(tpd->kpd, tpd_keys[i], 0);
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input_sync(tpd->kpd);
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TPD_DEBUG("release key %d (%d)\n",
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i, tpd_keys[i]);
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}
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}
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tpd->btn_state = 0;
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}
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}
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void tpd_button_setting(int keycnt, void *keys, void *keys_dim)
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{
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tpd_keycnt = keycnt;
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memcpy(tpd_keys, keys, keycnt * 4);
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memcpy(tpd_keys_dim, keys_dim, keycnt * 4 * 4);
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}
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/* #endif */
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