/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
 */

#ifndef __MT7601U_USB_H
#define __MT7601U_USB_H

#include "mt7601u.h"

#define MT7601U_FIRMWARE        "mt7601u.bin"
#define MT7601U_FIRMWARE_PATHS  ARRAY_SIZE(mt7601u_fw_paths)

#define MT_VEND_REQ_MAX_RETRY   10
#define MT_VEND_REQ_TOUT_MS     300

#define MT_VEND_DEV_MODE_RESET  1

#define MT_VEND_BUF             sizeof(__le32)

enum mt_vendor_req {
        MT_VEND_DEV_MODE = 1,
        MT_VEND_WRITE = 2,
        MT_VEND_MULTI_READ = 7,
        MT_VEND_WRITE_FCE = 0x42,
};

enum mt_usb_ep_in {
        MT_EP_IN_PKT_RX,
        MT_EP_IN_CMD_RESP,
        __MT_EP_IN_MAX,
};

enum mt_usb_ep_out {
        MT_EP_OUT_INBAND_CMD,
        MT_EP_OUT_AC_BK,
        MT_EP_OUT_AC_BE,
        MT_EP_OUT_AC_VI,
        MT_EP_OUT_AC_VO,
        MT_EP_OUT_HCCA,
        __MT_EP_OUT_MAX,
};

static inline struct usb_device *mt7601u_to_usb_dev(struct mt7601u_dev *mt7601u)
{
        return interface_to_usbdev(to_usb_interface(mt7601u->dev));
}

static inline bool mt7601u_urb_has_error(struct urb *urb)
{
        return urb->status &&
                urb->status != -ENOENT &&
                urb->status != -ECONNRESET &&
                urb->status != -ESHUTDOWN;
}

bool mt7601u_usb_alloc_buf(struct mt7601u_dev *dev, size_t len,
                           struct mt7601u_dma_buf *buf);
void mt7601u_usb_free_buf(struct mt7601u_dev *dev, struct mt7601u_dma_buf *buf);
int mt7601u_usb_submit_buf(struct mt7601u_dev *dev, int dir, int ep_idx,
                           struct mt7601u_dma_buf *buf, gfp_t gfp,
                           usb_complete_t complete_fn, void *context);
void mt7601u_complete_urb(struct urb *urb);

int mt7601u_vendor_request(struct mt7601u_dev *dev, const u8 req,
                           const u8 direction, const u16 val, const u16 offset,
                           void *buf, const size_t buflen);
void mt7601u_vendor_reset(struct mt7601u_dev *dev);
int mt7601u_vendor_single_wr(struct mt7601u_dev *dev, const u8 req,
                             const u16 offset, const u32 val);

#endif