drivers/staging/r8188eu/include/usb_ops.h

/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/* Copyright(c) 2007 - 2011 Realtek Corporation. */

#ifndef __USB_OPS_H_
#define __USB_OPS_H_

#include "osdep_service.h"
#include "drv_types.h"
#include "osdep_intf.h"

#define REALTEK_USB_VENQT_READ		(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
#define REALTEK_USB_VENQT_WRITE		(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
#define REALTEK_USB_VENQT_CMD_REQ	0x05
#define REALTEK_USB_VENQT_CMD_IDX	0x00

#define ALIGNMENT_UNIT			16
#define MAX_VENDOR_REQ_CMD_SIZE	254	/* 8188cu SIE Support */
#define MAX_USB_IO_CTL_SIZE	(MAX_VENDOR_REQ_CMD_SIZE + ALIGNMENT_UNIT)

#include "usb_ops_linux.h"

/*
 * Increase and check if the continual_urb_error of this @param dvobjprivei
 * is larger than MAX_CONTINUAL_URB_ERR
 * @return true:
 * @return false:
 */
static inline int rtw_inc_and_chk_continual_urb_error(struct dvobj_priv *dvobj)
{
	int ret = false;
	int value;
	value = atomic_inc_return(&dvobj->continual_urb_error);
	if (value > MAX_CONTINUAL_URB_ERR) {
		DBG_88E("[dvobj:%p][ERROR] continual_urb_error:%d > %d\n",
			dvobj, value, MAX_CONTINUAL_URB_ERR);
		ret = true;
	}
	return ret;
}

/*
* Set the continual_urb_error of this @param dvobjprive to 0
*/
static inline void rtw_reset_continual_urb_error(struct dvobj_priv *dvobj)
{
	atomic_set(&dvobj->continual_urb_error, 0);
}

#define USB_HIGH_SPEED_BULK_SIZE	512
#define USB_FULL_SPEED_BULK_SIZE	64

static inline u8 rtw_usb_bulk_size_boundary(struct adapter *padapter,
					    int buf_len)
{
	u8 rst = true;
	struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);

	if (pdvobjpriv->ishighspeed)
		rst = (0 == (buf_len) % USB_HIGH_SPEED_BULK_SIZE) ?
		      true : false;
	else
		rst = (0 == (buf_len) % USB_FULL_SPEED_BULK_SIZE) ?
		      true : false;
	return rst;
}

#endif /* __USB_OPS_H_ */