static void hall_init_hw(void)
{
mt_set_gpio_mode(GPIO_MHALL_EINT_PIN, GPIO_MHALL_EINT_PIN_M_EINT);
mt_set_gpio_dir(GPIO_MHALL_EINT_PIN, GPIO_DIR_IN);
mt_set_gpio_pull_enable(GPIO_MHALL_EINT_PIN, GPIO_PULL_DISABLE);
mt_set_gpio_ies(GPIO_MHALL_EINT_PIN, GPIO_IES_ENABLE);
mt65xx_eint_set_sens(CUST_EINT_MHALL_NUM, CUST_EINT_MHALL_SENSITIVE);
mt65xx_eint_set_polarity(CUST_EINT_MHALL_NUM, CUST_EINT_MHALL_POLARITY);
mt65xx_eint_set_hw_debounce(CUST_EINT_MHALL_NUM, CUST_EINT_MHALL_DEBOUNCE_CN);
mt65xx_eint_registration(CUST_EINT_MHALL_NUM, CUST_EINT_MHALL_DEBOUNCE_EN, CUST_EINT_MHALL_POLARITY, hall_cover_eint_handler, 0);
mt65xx_eint_unmask(CUST_EINT_MHALL_NUM);
}
static kal_uint32 mt_get_board_type(void)
{
/*
* Note: Don't use it in IRQ context
*/
#if 1
static int board_type = MT_BOARD_NONE;
if (board_type != MT_BOARD_NONE)
return board_type;
spin_lock(&mt_board_lock);
/* Enable AUX_IN0 as GPI */
mt_set_gpio_ies(GPIO_PHONE_EVB_DETECT, GPIO_IES_ENABLE);
/* Set internal pull-down for AUX_IN0 */
mt_set_gpio_pull_select(GPIO_PHONE_EVB_DETECT, GPIO_PULL_DOWN);
mt_set_gpio_pull_enable(GPIO_PHONE_EVB_DETECT, GPIO_PULL_ENABLE);
/* Wait 20us */
udelay(20);
/* Read AUX_INO's GPI value*/
mt_set_gpio_mode(GPIO_PHONE_EVB_DETECT, GPIO_MODE_00);
mt_set_gpio_dir(GPIO_PHONE_EVB_DETECT, GPIO_DIR_IN);
if (mt_get_gpio_in(GPIO_PHONE_EVB_DETECT) == 1) {
/* Disable internal pull-down if external pull-up on PCB(leakage) */
mt_set_gpio_pull_enable(GPIO_PHONE_EVB_DETECT, GPIO_PULL_DISABLE);
board_type = MT_BOARD_EVB;
} else {
/* Disable internal pull-down if external pull-up on PCB(leakage) */
mt_set_gpio_pull_enable(GPIO_PHONE_EVB_DETECT, GPIO_PULL_DISABLE);
board_type = MT_BOARD_PHONE;
}
spin_unlock(&mt_board_lock);
battery_xlog_printk(BAT_LOG_CRTI, "[Kernel] Board type is %s\n", (board_type == MT_BOARD_EVB) ? "EVB" : "PHONE");
return board_type;
#else
return MT_BOARD_EVB;
#endif
}
