#pragma once

#define DRV_NAME "lork"

#include <linux/types.h>

// values from <https://www.ti.com/lit/ug/spruh73q/spruh73q.pdf>

typedef uint32_t ti_am335x_word_t;

// p. 180: "Control Module"
#define TI_AM335X_CM_ADDR 0x44E10000
// p. 182: "GPIO1"
#define TI_AM335X_GPIO1_ADDR 0x4804C000
// p. 1459: "conf_gpmc_a3"
#define TI_AM335X_CM_GPMC_A3_ADDR (TI_AM335X_CM_ADDR + 0x84C)

// p. 4990, variable names copied as-is
#define GPIO_OE (0x134 / (sizeof(ti_am335x_word_t)))
#define GPIO_DATAIN (0x138 / (sizeof(ti_am335x_word_t)))
#define GPIO_CLEARDATAOUT (0x190 / (sizeof(ti_am335x_word_t)))
#define GPIO_SETDATAOUT (0x194 / (sizeof(ti_am335x_word_t)))
// total size of GPIO registers from p. 4990 (in bytes)
#define GPIO_REG_SIZE 0x198

#define PIN 18