/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_USB_DAPPERMIMEJTAG_H
#define __LINUX_USB_DAPPERMIMEJTAG_H

#define DMJ_USB_CFG_PROTO_VER 0x0010

#define DMJ_RESP_STAT_OK          0x00
#define DMJ_RESP_STAT_ILLCMD      0x01
#define DMJ_RESP_STAT_BADMODE     0x02
#define DMJ_RESP_STAT_NOSUCHMODE  0x03
#define DMJ_RESP_STAT_BADARG      0x04

#define DMJ_CMD_CFG_GET_VERSION   0x00
#define DMJ_CMD_CFG_GET_MODES     0x01
#define DMJ_CMD_CFG_GET_CUR_MODE  0x02
#define DMJ_CMD_CFG_SET_CUR_MODE  0x03
#define DMJ_CMD_CFG_GET_INFOSTR   0x04

#define DMJ_CMD_MODE_GET_NAME     0x00
#define DMJ_CMD_MODE_GET_VERSION  0x01
#define DMJ_CMD_MODE_GET_FEATURES 0x02

#define DMJ_CMD_MODE1_SPI         0x13
#define DMJ_CMD_MODE1_I2C         0x14
#define DMJ_CMD_MODE1_TEMPSENSOR  0x15

#define DMJ_FEATURE_MODE1_UART       (1<<0)
#define DMJ_FEATURE_MODE1_CMSISDAP   (1<<1)
#define DMJ_FEATURE_MODE1_SPI        (1<<2)
#define DMJ_FEATURE_MODE1_I2C        (1<<3)
#define DMJ_FEATURE_MODE1_TEMPSENSOR (1<<4)

struct dmj_platform_data {
	uint8_t port;
};

#define DMJ_XFER_FLAGS_PARSE_RESP   (1<<0)
#define DMJ_XFER_FLAGS_FILL_RECVBUF (1<<1)

int dmj_transfer(struct platform_device *pdev, int cmd, int recvflags,
		const void *wbuf, int wbufsize, void *rbuf, int *rbufsize);

inline static int dmj_read(struct platform_device *pdev, int recvflags,
		void *rbuf, int *rbufsize)
{
	return dmj_transfer(pdev, -1, recvflags, NULL, 0, rbuf, rbufsize);
}

inline static int dmj_write(struct platform_device *pdev, int cmd,
		const void *wbuf, int wbufsize)
{
	return dmj_transfer(pdev, cmd, DMJ_XFER_FLAGS_PARSE_RESP, wbuf, wbufsize, NULL, NULL);
}

#endif