include/linux/amlogic/amsmc.h

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
 * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
 */

#ifndef _AMSMC_H
#define _AMSMC_H

/* #include <asm/types.h> */
#include <linux/types.h>

#define AMSMC_MAX_ATR_LEN    33

enum {
	AMSMC_CARDOUT = 0,
	AMSMC_CARDIN = 1
};

struct am_smc_atr {
	char    atr[AMSMC_MAX_ATR_LEN];
	int     atr_len;
};

struct am_smc_param {
	int     f;
	int     d;
	int     n;
	int     bwi;
	int     cwi;
	int     bgt;
	int     freq;
	int     recv_invert;
	int     recv_lsb_msb;
	int     recv_no_parity;
	int     recv_parity;
	int     xmit_invert;
	int     xmit_lsb_msb;
	int     xmit_retries;
	int     xmit_repeat_dis;
	int     xmit_parity;
};

#define AMSMC_IOC_MAGIC  'C'

#define AMSMC_IOC_RESET        _IOR(AMSMC_IOC_MAGIC, 0x00, struct am_smc_atr)
#define AMSMC_IOC_GET_STATUS   _IOR(AMSMC_IOC_MAGIC, 0x01, int)
#define AMSMC_IOC_ACTIVE       _IO(AMSMC_IOC_MAGIC, 0x02)
#define AMSMC_IOC_DEACTIVE     _IO(AMSMC_IOC_MAGIC, 0x03)
#define AMSMC_IOC_GET_PARAM    _IOR(AMSMC_IOC_MAGIC, 0x04, struct am_smc_param)
#define AMSMC_IOC_SET_PARAM    _IOW(AMSMC_IOC_MAGIC, 0x05, struct am_smc_param)
#define AMSMC_IOC_HOT_RESET _IOR(AMSMC_IOC_MAGIC, 0x06, struct am_smc_atr)

#endif