451 lines
11 KiB
C
451 lines
11 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 "ilitek_v3.h"
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#define DTS_INT_GPIO "touch,irq-gpio"
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#define DTS_RESET_GPIO "touch,reset-gpio"
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#define DTS_OF_NAME "ilitek"
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#define MTK_RST_GPIO GTP_RST_PORT
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#define MTK_INT_GPIO GTP_INT_PORT
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extern struct tpd_device *tpd;
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void ili_tp_reset(void)
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{
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ILI_INFO("edge delay = %d\n", ilits->rst_edge_delay);
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/* Need accurate power sequence, do not change it to msleep */
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tpd_gpio_output(ilits->tp_rst, 1);
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mdelay(1);
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tpd_gpio_output(ilits->tp_rst, 0);
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mdelay(5);
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tpd_gpio_output(ilits->tp_rst, 1);
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mdelay(ilits->rst_edge_delay);
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}
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void ili_input_register(void)
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{
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int i;
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ilits->input = tpd->dev;
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if (tpd_dts_data.use_tpd_button) {
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for (i = 0; i < tpd_dts_data.tpd_key_num; i++)
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input_set_capability(ilits->input, EV_KEY, tpd_dts_data.tpd_key_local[i]);
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}
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/* set the supported event type for input device */
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set_bit(EV_ABS, ilits->input->evbit);
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set_bit(EV_SYN, ilits->input->evbit);
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set_bit(EV_KEY, ilits->input->evbit);
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set_bit(BTN_TOUCH, ilits->input->keybit);
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set_bit(BTN_TOOL_FINGER, ilits->input->keybit);
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set_bit(INPUT_PROP_DIRECT, ilits->input->propbit);
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if (MT_PRESSURE)
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input_set_abs_params(ilits->input, ABS_MT_PRESSURE, 0, 255, 0, 0);
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if (MT_B_TYPE) {
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#if KERNEL_VERSION(3, 7, 0) <= LINUX_VERSION_CODE
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input_mt_init_slots(ilits->input, MAX_TOUCH_NUM, INPUT_MT_DIRECT);
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#else
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input_mt_init_slots(ilits->input, MAX_TOUCH_NUM);
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#endif /* LINUX_VERSION_CODE */
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} else {
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input_set_abs_params(ilits->input, ABS_MT_TRACKING_ID, 0, MAX_TOUCH_NUM, 0, 0);
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}
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/* Gesture keys register */
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input_set_capability(ilits->input, EV_KEY, KEY_POWER);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_UP);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_DOWN);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_LEFT);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_RIGHT);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_O);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_E);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_M);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_W);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_S);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_V);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_Z);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_C);
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input_set_capability(ilits->input, EV_KEY, KEY_GESTURE_F);
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__set_bit(KEY_GESTURE_POWER, ilits->input->keybit);
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__set_bit(KEY_GESTURE_UP, ilits->input->keybit);
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__set_bit(KEY_GESTURE_DOWN, ilits->input->keybit);
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__set_bit(KEY_GESTURE_LEFT, ilits->input->keybit);
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__set_bit(KEY_GESTURE_RIGHT, ilits->input->keybit);
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__set_bit(KEY_GESTURE_O, ilits->input->keybit);
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__set_bit(KEY_GESTURE_E, ilits->input->keybit);
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__set_bit(KEY_GESTURE_M, ilits->input->keybit);
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__set_bit(KEY_GESTURE_W, ilits->input->keybit);
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__set_bit(KEY_GESTURE_S, ilits->input->keybit);
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__set_bit(KEY_GESTURE_V, ilits->input->keybit);
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__set_bit(KEY_GESTURE_Z, ilits->input->keybit);
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__set_bit(KEY_GESTURE_C, ilits->input->keybit);
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__set_bit(KEY_GESTURE_F, ilits->input->keybit);
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}
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#if REGULATOR_POWER
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void ili_plat_regulator_power_on(bool status)
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{
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ILI_INFO("%s\n", status ? "POWER ON" : "POWER OFF");
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if (status) {
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if (ilits->vdd) {
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if (regulator_enable(ilits->vdd) < 0)
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ILI_ERR("regulator_enable VDD fail\n");
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}
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if (ilits->vcc) {
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if (regulator_enable(ilits->vcc) < 0)
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ILI_ERR("regulator_enable VCC fail\n");
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}
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} else {
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if (ilits->vdd) {
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if (regulator_disable(ilits->vdd) < 0)
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ILI_ERR("regulator_enable VDD fail\n");
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}
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if (ilits->vcc) {
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if (regulator_disable(ilits->vcc) < 0)
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ILI_ERR("regulator_enable VCC fail\n");
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}
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}
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atomic_set(&ilits->ice_stat, DISABLE);
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mdelay(5);
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}
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static void ilitek_plat_regulator_power_init(void)
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{
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const char *vdd_name = "vdd";
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const char *vcc_name = "vcc";
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ilits->vdd = regulator_get(tpd->tpd_dev, vdd_name);
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if (ERR_ALLOC_MEM(ilits->vdd)) {
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ILI_ERR("regulator_get VDD fail\n");
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ilits->vdd = NULL;
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}
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tpd->reg = ilits->vdd;
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if (regulator_set_voltage(ilits->vdd, VDD_VOLTAGE, VDD_VOLTAGE) < 0)
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ILI_ERR("Failed to set VDD %d\n", VDD_VOLTAGE);
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ilits->vcc = regulator_get(ilits->dev, vcc_name);
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if (ERR_ALLOC_MEM(ilits->vcc)) {
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ILI_ERR("regulator_get VCC fail.\n");
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ilits->vcc = NULL;
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}
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if (regulator_set_voltage(ilits->vcc, VCC_VOLTAGE, VCC_VOLTAGE) < 0)
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ILI_ERR("Failed to set VCC %d\n", VCC_VOLTAGE);
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ili_plat_regulator_power_on(true);
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}
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#endif
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static int ilitek_plat_gpio_register(void)
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{
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int ret = 0;
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ilits->tp_int = MTK_INT_GPIO;
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ilits->tp_rst = MTK_RST_GPIO;
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ILI_INFO("TP INT: %d\n", ilits->tp_int);
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ILI_INFO("TP RESET: %d\n", ilits->tp_rst);
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if (!gpio_is_valid(ilits->tp_int)) {
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ILI_ERR("Invalid INT gpio: %d\n", ilits->tp_int);
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return -EBADR;
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}
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if (!gpio_is_valid(ilits->tp_rst)) {
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ILI_ERR("Invalid RESET gpio: %d\n", ilits->tp_rst);
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return -EBADR;
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}
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gpio_direction_input(ilits->tp_int);
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return ret;
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}
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void ili_irq_disable(void)
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{
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unsigned long flag;
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spin_lock_irqsave(&ilits->irq_spin, flag);
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if (atomic_read(&ilits->irq_stat) == DISABLE)
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goto out;
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if (!ilits->irq_num) {
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ILI_ERR("gpio_to_irq (%d) is incorrect\n", ilits->irq_num);
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goto out;
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}
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disable_irq_nosync(ilits->irq_num);
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atomic_set(&ilits->irq_stat, DISABLE);
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ILI_DBG("Disable irq success\n");
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out:
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spin_unlock_irqrestore(&ilits->irq_spin, flag);
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}
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void ili_irq_enable(void)
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{
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unsigned long flag;
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spin_lock_irqsave(&ilits->irq_spin, flag);
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if (atomic_read(&ilits->irq_stat) == ENABLE)
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goto out;
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if (!ilits->irq_num) {
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ILI_ERR("gpio_to_irq (%d) is incorrect\n", ilits->irq_num);
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goto out;
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}
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enable_irq(ilits->irq_num);
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atomic_set(&ilits->irq_stat, ENABLE);
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ILI_DBG("Enable irq success\n");
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out:
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spin_unlock_irqrestore(&ilits->irq_spin, flag);
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}
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static irqreturn_t ilitek_plat_isr_top_half(int irq, void *dev_id)
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{
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if (irq != ilits->irq_num) {
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ILI_ERR("Incorrect irq number (%d)\n", irq);
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return IRQ_NONE;
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}
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if (atomic_read(&ilits->cmd_int_check) == ENABLE) {
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atomic_set(&ilits->cmd_int_check, DISABLE);
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ILI_DBG("CMD INT detected, ignore\n");
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wake_up(&(ilits->inq));
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return IRQ_HANDLED;
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}
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if (ilits->prox_near) {
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ILI_INFO("Proximity event, ignore interrupt!\n");
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return IRQ_HANDLED;
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}
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ILI_DBG("report: %d, rst: %d, fw: %d, switch: %d, mp: %d, sleep: %d, esd: %d\n",
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ilits->report,
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atomic_read(&ilits->tp_reset),
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atomic_read(&ilits->fw_stat),
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atomic_read(&ilits->tp_sw_mode),
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atomic_read(&ilits->mp_stat),
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atomic_read(&ilits->tp_sleep),
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atomic_read(&ilits->esd_stat));
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if (!ilits->report || atomic_read(&ilits->tp_reset) ||
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atomic_read(&ilits->fw_stat) || atomic_read(&ilits->tp_sw_mode) ||
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atomic_read(&ilits->mp_stat) || atomic_read(&ilits->tp_sleep) ||
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atomic_read(&ilits->esd_stat)) {
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ILI_DBG("ignore interrupt !\n");
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return IRQ_HANDLED;
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}
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return IRQ_WAKE_THREAD;
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}
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static irqreturn_t ilitek_plat_isr_bottom_half(int irq, void *dev_id)
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{
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if (mutex_is_locked(&ilits->touch_mutex)) {
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ILI_DBG("touch is locked, ignore\n");
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return IRQ_HANDLED;
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}
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mutex_lock(&ilits->touch_mutex);
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ili_report_handler();
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mutex_unlock(&ilits->touch_mutex);
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return IRQ_HANDLED;
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}
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void ili_irq_unregister(void)
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{
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devm_free_irq(ilits->dev, ilits->irq_num, NULL);
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}
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int ili_irq_register(int type)
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{
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int ret = 0;
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static bool get_irq_pin;
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struct device_node *node;
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atomic_set(&ilits->irq_stat, DISABLE);
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if (get_irq_pin == false) {
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node = of_find_matching_node(NULL, touch_of_match);
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if (node)
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ilits->irq_num = irq_of_parse_and_map(node, 0);
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ILI_INFO("ilits->irq_num = %d\n", ilits->irq_num);
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get_irq_pin = true;
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}
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ret = devm_request_threaded_irq(ilits->dev, ilits->irq_num,
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ilitek_plat_isr_top_half,
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ilitek_plat_isr_bottom_half,
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type | IRQF_ONESHOT, "ilitek", NULL);
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if (type == IRQF_TRIGGER_FALLING)
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ILI_INFO("IRQ TYPE = IRQF_TRIGGER_FALLING\n");
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if (type == IRQF_TRIGGER_RISING)
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ILI_INFO("IRQ TYPE = IRQF_TRIGGER_RISING\n");
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if (ret != 0)
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ILI_ERR("Failed to register irq handler, irq = %d, ret = %d\n", ilits->irq_num, ret);
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atomic_set(&ilits->irq_stat, ENABLE);
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return ret;
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}
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static void tpd_resume(struct device *h)
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{
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if (ili_sleep_handler(TP_RESUME) < 0)
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ILI_ERR("TP resume failed\n");
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}
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static void tpd_suspend(struct device *h)
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{
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if (ili_sleep_handler(TP_DEEP_SLEEP) < 0)
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ILI_ERR("TP suspend failed\n");
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}
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static int ilitek_tp_pm_suspend(struct device *dev)
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{
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ILI_INFO("CALL BACK TP PM SUSPEND");
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ilits->pm_suspend = true;
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reinit_completion(&ilits->pm_completion);
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return 0;
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}
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static int ilitek_tp_pm_resume(struct device *dev)
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{
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ILI_INFO("CALL BACK TP PM RESUME");
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ilits->pm_suspend = false;
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complete(&ilits->pm_completion);
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return 0;
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}
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static int ilitek_plat_probe(void)
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{
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ILI_INFO("platform probe\n");
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#if REGULATOR_POWER
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ilitek_plat_regulator_power_init();
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#endif
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if (ilitek_plat_gpio_register() < 0)
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ILI_ERR("Register gpio failed\n");
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|
ili_update_tp_module_info();
|
||
|
|
|
||
|
|
ili_irq_register(ilits->irq_tirgger_type);
|
||
|
|
|
||
|
|
if (ili_tddi_init() < 0) {
|
||
|
|
ILI_ERR("ILITEK Driver probe failed\n");
|
||
|
|
ili_irq_unregister();
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
tpd_load_status = 1;
|
||
|
|
ilits->pm_suspend = false;
|
||
|
|
init_completion(&ilits->pm_completion);
|
||
|
|
|
||
|
|
ILI_INFO("ILITEK Driver loaded successfully!");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ilitek_plat_remove(void)
|
||
|
|
{
|
||
|
|
ILI_INFO("remove plat dev\n");
|
||
|
|
ili_dev_remove();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct dev_pm_ops tp_pm_ops = {
|
||
|
|
.suspend = ilitek_tp_pm_suspend,
|
||
|
|
.resume = ilitek_tp_pm_resume,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct of_device_id tp_match_table[] = {
|
||
|
|
{.compatible = DTS_OF_NAME},
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef ROI
|
||
|
|
struct ts_device_ops ilitek_ops = {
|
||
|
|
.chip_roi_rawdata = ili_knuckle_roi_rawdata,
|
||
|
|
.chip_roi_switch = ili_knuckle_roi_switch,
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static struct ilitek_hwif_info hwif = {
|
||
|
|
.bus_type = TDDI_INTERFACE,
|
||
|
|
.plat_type = TP_PLAT_MTK,
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.name = TDDI_DEV_ID,
|
||
|
|
.of_match_table = of_match_ptr(tp_match_table),
|
||
|
|
.plat_probe = ilitek_plat_probe,
|
||
|
|
.plat_remove = ilitek_plat_remove,
|
||
|
|
.pm = &tp_pm_ops,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int tpd_local_init(void)
|
||
|
|
{
|
||
|
|
ILI_INFO("TPD init device driver\n");
|
||
|
|
|
||
|
|
if (ili_dev_init(&hwif) < 0) {
|
||
|
|
ILI_ERR("Failed to register i2c/spi bus driver\n");
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
if (tpd_load_status == 0) {
|
||
|
|
ILI_ERR("Add error touch panel driver\n");
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
if (tpd_dts_data.use_tpd_button) {
|
||
|
|
tpd_button_setting(tpd_dts_data.tpd_key_num, tpd_dts_data.tpd_key_local,
|
||
|
|
tpd_dts_data.tpd_key_dim_local);
|
||
|
|
}
|
||
|
|
tpd_type_cap = 1;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct tpd_driver_t tpd_device_driver = {
|
||
|
|
.tpd_device_name = TDDI_DEV_ID,
|
||
|
|
.tpd_local_init = tpd_local_init,
|
||
|
|
.suspend = tpd_suspend,
|
||
|
|
.resume = tpd_resume,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init ilitek_plat_dev_init(void)
|
||
|
|
{
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
ILI_INFO("ILITEK TP driver init for MTK\n");
|
||
|
|
tpd_get_dts_info();
|
||
|
|
ret = tpd_driver_add(&tpd_device_driver);
|
||
|
|
if (ret < 0) {
|
||
|
|
ILI_ERR("ILITEK add TP driver failed\n");
|
||
|
|
tpd_driver_remove(&tpd_device_driver);
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit ilitek_plat_dev_exit(void)
|
||
|
|
{
|
||
|
|
ILI_INFO("ilitek driver has been removed\n");
|
||
|
|
tpd_driver_remove(&tpd_device_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(ilitek_plat_dev_init);
|
||
|
|
module_exit(ilitek_plat_dev_exit);
|
||
|
|
MODULE_AUTHOR("ILITEK");
|
||
|
|
MODULE_LICENSE("GPL");
|