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bf16-gpiodevice.h
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bf16-gpiodevice.h
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#ifndef BF16_GPIODEVICE_H
#define BF16_GPIODEVICE_H
#include "bf16-device.h"
#define GPIO_BUFFER_SIZE 64
/* GPIO/CTRL function types */
#define GPIO0_INDEX 0
#define GPIO1_INDEX 1
#define GPIO2_INDEX 2
#define GPIO3_INDEX 3
#define MAX_GPIO_INDEX 4
#define GPIO_SIZE 0x2000
#define GPIO0_START_ADDR 0x44E07000
#define GPIO1_START_ADDR 0x4804C000
#define GPIO2_START_ADDR 0x481AC000
#define GPIO3_START_ADDR 0x481AE000
#define GPIO_OE 0x134
#define GPIO_SETDATAOUT 0x194
#define GPIO_CLEARDATAOUT 0x190
#define GPIO_DATAIN 0x138
#define GPIO_DATAOUT 0x13C
#define OE_REG_INDEX 0
#define DATAOUT_REG_INDEX 1
#define DATASET_REG_INDEX 2
#define DATACLR_REG_INDEX 3
#define DATAIN_REG_INDEX 4
#define MAX_REGISTER_INDEX 5
typedef struct {
uint32_t gpioIndex;
uint32_t regIndex;
uint32_t data;
} gpio_rq_t;
typedef struct {
uint32_t oe_reg0;
uint32_t out_reg0;
uint32_t in_reg0;
uint32_t oe_reg1;
uint32_t out_reg1;
uint32_t in_reg1;
uint32_t oe_reg2;
uint32_t out_reg2;
uint32_t in_reg2;
uint32_t oe_reg3;
uint32_t out_reg3;
uint32_t in_reg3;
} gpio_resp_t;
extern char *gpio_device_name;
int gpio_read_ctrl(gpio_rq_t* rq);
int8_t gpio_write_ctrl(gpio_rq_t* rq);
int8_t gpio_init(device_t* attr, char *device, uint16_t size);
void gpio_release(device_t *attr);
#endif /* BF16_GPIODEVICE_H */