Verified Commit 4c9dfee7 authored by Rahix's avatar Rahix
Browse files

feat(libcard10): Add PMIC interrupt handler


Signed-off-by: Rahix's avatarRahix <rahix@rahix.de>
parent 558f88cc
......@@ -4,6 +4,12 @@
#include <stdint.h>
#include <stdio.h>
static void pmic_interrupt_callback(void*_);
static const gpio_cfg_t pmic_interrupt_pin = {
PORT_0, PIN_12, GPIO_FUNC_IN, GPIO_PAD_PULL_UP
};
static pmic_button_callback_fn pmic_button_callback = NULL;
void pmic_init(void)
{
uint8_t didm = MAX77650_getDIDM();
......@@ -62,6 +68,50 @@ void pmic_init(void)
MAX77650_setCHG_EN(1); // Turn on charger
MAX77650_setVSYS_REG(0b11000); // Set VSYS to 4.7 V to reduce voltage across bypass diode
/* Setup interrupt & callback */
GPIO_Config(&pmic_interrupt_pin);
GPIO_RegisterCallback(&pmic_interrupt_pin, pmic_interrupt_callback, NULL);
GPIO_IntConfig(&pmic_interrupt_pin, GPIO_INT_EDGE, GPIO_INT_FALLING);
GPIO_IntEnable(&pmic_interrupt_pin);
NVIC_EnableIRQ((IRQn_Type)MXC_GPIO_GET_IRQ(pmic_interrupt_pin.port));
/* Dropout Detector Rising */
#define MAX77650_INT_DOD_R (1 << 6)
/* Thermal Alarm 2 Rising */
#define MAX77650_INT_TJAL2_R (1 << 5)
/* Thermal Alarm 1 Rising */
#define MAX77650_INT_TJAL1_R (1 << 4)
/* nEN Rising */
#define MAX77650_INT_nEN_R (1 << 3)
/* nEN Falling */
#define MAX77650_INT_nEN_F (1 << 2)
/* GPI Rising */
#define MAX77650_INT_GPI_R (1 << 1)
/* GPI Falling */
#define MAX77650_INT_GPI_F (1 << 0)
/* Setup power button interrupt */
MAX77650_setINT_M_GLBL(~(MAX77650_INT_nEN_R | MAX77650_INT_nEN_F));
/* Clear existing interrupts */
MAX77650_getINT_GLBL();
}
static void pmic_interrupt_callback(void*_)
{
uint8_t int_flag = MAX77650_getINT_GLBL();
if (int_flag & (MAX77650_INT_nEN_R | MAX77650_INT_nEN_F)) {
if (pmic_button_callback != NULL) {
(*pmic_button_callback)(int_flag & MAX77650_INT_nEN_F);
}
}
/* TODO: Other pmic interrupts */
}
void pmic_set_button_callback(pmic_button_callback_fn cb)
{
pmic_button_callback = cb;
}
void pmic_set_led(uint8_t led, uint8_t val)
......@@ -80,5 +130,3 @@ void pmic_set_led(uint8_t led, uint8_t val)
}
}
......@@ -2,8 +2,12 @@
#define PMIC_H
#include <stdint.h>
#include <stdbool.h>
void pmic_init(void);
void pmic_set_led(uint8_t led, uint8_t val);
typedef void (*pmic_button_callback_fn)(bool falling);
void pmic_set_button_callback(pmic_button_callback_fn cb);
#endif
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment