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/* SPDX-License-Identifier: GPL-2.0-or-later */
/**************************************************************************
* Copyright (C) 2012 by Andreas Fritiofson *
* andreas.fritiofson@gmail.com *
***************************************************************************/
#ifndef OPENOCD_JTAG_DRIVERS_MPSSE_H
#define OPENOCD_JTAG_DRIVERS_MPSSE_H
#include <stdbool.h>
#include "helper/binarybuffer.h"
/* Mode flags */
#define POS_EDGE_OUT 0x00
#define NEG_EDGE_OUT 0x01
#define POS_EDGE_IN 0x00
#define NEG_EDGE_IN 0x04
#define MSB_FIRST 0x00
#define LSB_FIRST 0x08
enum ftdi_chip_type {
TYPE_FT2232C,
TYPE_FT2232H,
TYPE_FT4232H,
TYPE_FT232H,
TYPE_FT2233HP,
TYPE_FT4233HP,
TYPE_FT2232HP,
TYPE_FT4232HP,
TYPE_FT233HP,
TYPE_FT232HP,
TYPE_FT4232HA,
};
struct mpsse_ctx;
/* Device handling */
struct mpsse_ctx *mpsse_open(const uint16_t *vid, const uint16_t *pid, const char *description,
const char *serial, const char *location, int channel);
void mpsse_close(struct mpsse_ctx *ctx);
bool mpsse_is_high_speed(struct mpsse_ctx *ctx);
/* Command queuing. These correspond to the MPSSE commands with the same names, but no need to care
* about bit/byte transfer or data length limitation. Read data is guaranteed to be available only
* after the following mpsse_flush(). */
void mpsse_clock_data_out(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset,
unsigned length, uint8_t mode);
void mpsse_clock_data_in(struct mpsse_ctx *ctx, uint8_t *in, unsigned in_offset, unsigned length,
uint8_t mode);
void mpsse_clock_data(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset, uint8_t *in,
unsigned in_offset, unsigned length, uint8_t mode);
void mpsse_clock_tms_cs_out(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset,
unsigned length, bool tdi, uint8_t mode);
void mpsse_clock_tms_cs(struct mpsse_ctx *ctx, const uint8_t *out, unsigned out_offset, uint8_t *in,
unsigned in_offset, unsigned length, bool tdi, uint8_t mode);
void mpsse_set_data_bits_low_byte(struct mpsse_ctx *ctx, uint8_t data, uint8_t dir);
void mpsse_set_data_bits_high_byte(struct mpsse_ctx *ctx, uint8_t data, uint8_t dir);
void mpsse_read_data_bits_low_byte(struct mpsse_ctx *ctx, uint8_t *data);
void mpsse_read_data_bits_high_byte(struct mpsse_ctx *ctx, uint8_t *data);
void mpsse_loopback_config(struct mpsse_ctx *ctx, bool enable);
void mpsse_set_divisor(struct mpsse_ctx *ctx, uint16_t divisor);
int mpsse_divide_by_5_config(struct mpsse_ctx *ctx, bool enable);
int mpsse_rtck_config(struct mpsse_ctx *ctx, bool enable);
/* Helper to set frequency in Hertz. Returns actual realizable frequency or negative error.
* Frequency 0 means RTCK. */
int mpsse_set_frequency(struct mpsse_ctx *ctx, int frequency);
/* Queue handling */
int mpsse_flush(struct mpsse_ctx *ctx);
void mpsse_purge(struct mpsse_ctx *ctx);
#endif /* OPENOCD_JTAG_DRIVERS_MPSSE_H */
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