kernel_samsung_a34x-permissive/drivers/input/keyboard/mediatek/mt6765/hal_kpd.c
2024-04-28 15:49:01 +02:00

257 lines
6.7 KiB
C
Executable file

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 MediaTek Inc.
*/
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#ifdef CONFIG_MTK_PMIC_NEW_ARCH
#include <mt-plat/upmu_common.h>
#endif
#include <kpd.h>
#include <hal_kpd.h>
#include <mt-plat/mtk_boot_common.h>
#ifdef CONFIG_MTK_PMIC_NEW_ARCH
static int kpd_enable_lprst = 1;
#endif
static u16 kpd_keymap_state[KPD_NUM_MEMS] = {
0xffff, 0xffff, 0xffff, 0xffff, 0x00ff
};
#ifdef CONFIG_LONG_PRESS_MODE_EN
struct timer_list Long_press_timer;
atomic_t vol_up_long_press_flag = ATOMIC_INIT(0);
atomic_t pow_key_long_press_flag = ATOMIC_INIT(0);
#endif
static void enable_kpd(int enable)
{
if (enable == 1) {
mt_reg_sync_writew((u16) (enable), KP_EN);
kpd_print("KEYPAD is enabled\n");
} else if (enable == 0) {
mt_reg_sync_writew((u16) (enable), KP_EN);
kpd_print("KEYPAD is disabled\n");
}
}
void kpd_get_keymap_state(u16 state[])
{
state[0] = readw(KP_MEM1);
state[1] = readw(KP_MEM2);
state[2] = readw(KP_MEM3);
state[3] = readw(KP_MEM4);
state[4] = readw(KP_MEM5);
kpd_print(KPD_SAY "register = %x %x %x %x %x\n",
state[0], state[1], state[2], state[3], state[4]);
}
void long_press_reboot_function_setting(void)
{
#ifdef CONFIG_MTK_PMIC_NEW_ARCH /*for pmic not ready*/
if (kpd_enable_lprst && kpd_dts_data.boot_mode == NORMAL_BOOT) {
kpd_info("Normal Boot long press reboot selection\n");
#ifdef CONFIG_KPD_PMIC_LPRST_TD
kpd_info("Enable normal mode LPRST\n");
#ifdef CONFIG_ONEKEY_REBOOT_NORMAL_MODE
pmic_set_register_value(PMIC_RG_PWRKEY_RST_EN, 0x01);
pmic_set_register_value(PMIC_RG_HOMEKEY_RST_EN, 0x00);
pmic_set_register_value(PMIC_RG_PWRKEY_RST_TD,
CONFIG_KPD_PMIC_LPRST_TD);
#endif
#ifdef CONFIG_TWOKEY_REBOOT_NORMAL_MODE
pmic_set_register_value(PMIC_RG_PWRKEY_RST_EN, 0x01);
pmic_set_register_value(PMIC_RG_HOMEKEY_RST_EN, 0x01);
pmic_set_register_value(PMIC_RG_PWRKEY_RST_TD,
CONFIG_KPD_PMIC_LPRST_TD);
#endif
#else
kpd_info("disable normal mode LPRST\n");
pmic_set_register_value(PMIC_RG_PWRKEY_RST_EN, 0x00);
pmic_set_register_value(PMIC_RG_HOMEKEY_RST_EN, 0x00);
#endif
} else {
kpd_info("Other Boot Mode long press reboot selection\n");
#ifdef CONFIG_KPD_PMIC_LPRST_TD
kpd_info("Enable other mode LPRST\n");
#ifdef CONFIG_ONEKEY_REBOOT_OTHER_MODE
pmic_set_register_value(PMIC_RG_PWRKEY_RST_EN, 0x01);
pmic_set_register_value(PMIC_RG_HOMEKEY_RST_EN, 0x00);
pmic_set_register_value(PMIC_RG_PWRKEY_RST_TD,
CONFIG_KPD_PMIC_LPRST_TD);
#endif
#ifdef CONFIG_TWOKEY_REBOOT_OTHER_MODE
pmic_set_register_value(PMIC_RG_PWRKEY_RST_EN, 0x01);
pmic_set_register_value(PMIC_RG_HOMEKEY_RST_EN, 0x01);
pmic_set_register_value(PMIC_RG_PWRKEY_RST_TD,
CONFIG_KPD_PMIC_LPRST_TD);
#endif
#else
kpd_info("disable other mode LPRST\n");
pmic_set_register_value(PMIC_RG_PWRKEY_RST_EN, 0x00);
pmic_set_register_value(PMIC_RG_HOMEKEY_RST_EN, 0x00);
#endif
}
#endif
}
/* FM@suspend */
bool __attribute__ ((weak)) ConditionEnterSuspend(void)
{
return true;
}
/********************************************************************/
void kpd_wakeup_src_setting(int enable)
{
int is_fm_radio_playing = 0;
/* If FM is playing, keep keypad as wakeup source */
if (ConditionEnterSuspend() == true)
is_fm_radio_playing = 0;
else
is_fm_radio_playing = 1;
if (is_fm_radio_playing == 0) {
if (enable == 1) {
kpd_print("enable kpd work!\n");
enable_kpd(1);
} else {
kpd_print("disable kpd work!\n");
enable_kpd(0);
}
}
}
/********************************************************************/
void kpd_init_keymap(u32 keymap[])
{
int i = 0;
if (kpd_dts_data.kpd_use_extend_type)
kpd_keymap_state[4] = 0xffff;
for (i = 0; i < KPD_NUM_KEYS; i++)
keymap[i] = kpd_dts_data.kpd_hw_init_map[i];
}
void kpd_init_keymap_state(u16 keymap_state[])
{
int i = 0;
for (i = 0; i < KPD_NUM_MEMS; i++)
keymap_state[i] = kpd_keymap_state[i];
kpd_info("init_keymap_state done: %x %x %x %x %x!\n",
keymap_state[0], keymap_state[1], keymap_state[2],
keymap_state[3], keymap_state[4]);
}
void kpd_set_debounce(u16 val)
{
mt_reg_sync_writew((u16) (val & KPD_DEBOUNCE_MASK), KP_DEBOUNCE);
}
void kpd_double_key_enable(int en)
{
u16 tmp;
tmp = *(u16 *)KP_SEL;
if (en != 0)
writew((u16) (tmp | KPD_DOUBLE_KEY_MASK), KP_SEL);
else
writew((u16) (tmp & ~KPD_DOUBLE_KEY_MASK), KP_SEL);
}
#ifdef CONFIG_LONG_PRESS_MODE_EN
void vol_up_long_press(unsigned long pressed)
{
atomic_set(&vol_up_long_press_flag, 1);
}
#endif
void kpd_pmic_rstkey_hal(unsigned long pressed)
{
if (kpd_dts_data.kpd_sw_rstkey != 0) {
input_report_key(kpd_input_dev, kpd_dts_data.kpd_sw_rstkey,
pressed);
input_sync(kpd_input_dev);
kpd_print(KPD_SAY "(%s) HW keycode =%d using PMIC\n",
pressed ? "pressed" : "released",
kpd_dts_data.kpd_sw_rstkey);
#ifdef CONFIG_LONG_PRESS_MODE_EN
if (pressed) {
init_timer(&Long_press_timer);
Long_press_timer.expires = jiffies + 5*HZ;
Long_press_timer.data = (unsigned long)pressed;
Long_press_timer.function = vol_up_long_press;
add_timer(&Long_press_timer);
} else {
del_timer_sync(&Long_press_timer);
}
if (!pressed && atomic_read(&vol_up_long_press_flag))
atomic_set(&vol_up_long_press_flag, 0);
#endif
}
}
void kpd_pmic_pwrkey_hal(unsigned long pressed)
{
input_report_key(kpd_input_dev, kpd_dts_data.kpd_sw_pwrkey, pressed);
input_sync(kpd_input_dev);
kpd_print(KPD_SAY "(%s) HW keycode =%d using PMIC\n",
pressed ? "pressed" : "released", kpd_dts_data.kpd_sw_pwrkey);
#ifdef CONFIG_LONG_PRESS_MODE_EN
if (pressed && atomic_read(&vol_up_long_press_flag) &&
atomic_read(&vol_down_long_press_flag)) {
atomic_set(&pow_key_long_press_flag, 1);
} else if (!pressed && atomic_read(&pow_key_long_press_flag)) {
atomic_set(&pow_key_long_press_flag, 0);
BUG_ON(1);
}
#endif
}
static int mrdump_eint_state;
static int mrdump_ext_rst_irq;
static irqreturn_t mrdump_rst_eint_handler(int irq, void *data)
{
if (mrdump_eint_state == 0) {
irq_set_irq_type(mrdump_ext_rst_irq, IRQ_TYPE_LEVEL_HIGH);
mrdump_eint_state = 1;
} else {
irq_set_irq_type(mrdump_ext_rst_irq, IRQ_TYPE_LEVEL_LOW);
mrdump_eint_state = 0;
}
input_report_key(kpd_input_dev, KEY_RESTART, mrdump_eint_state);
input_sync(kpd_input_dev);
return IRQ_HANDLED;
}
void mt_eint_register(void)
{
int ret;
struct device_node *node;
/* register EINT handler for MRDUMP_EXT_RST key */
node = of_find_compatible_node(NULL, NULL,
"mediatek, mrdump_ext_rst-eint");
if (!node)
kpd_print("can't find compatible node\n");
else {
mrdump_ext_rst_irq = irq_of_parse_and_map(node, 0);
ret = request_irq(mrdump_ext_rst_irq, mrdump_rst_eint_handler,
IRQF_TRIGGER_NONE, "mrdump_ext_rst-eint", NULL);
if (ret > 0)
kpd_print("EINT IRQ LINE NOT AVAILABLE\n");
}
}