/**
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* aicwf_usb.h
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*
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* USB function declarations
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*
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* Copyright (C) AICSemi 2018-2020
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*/
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#ifndef _AICWF_USB_H_
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#define _AICWF_USB_H_
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#include <linux/usb.h>
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#include "rwnx_cmds.h"
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#ifdef AICWF_USB_SUPPORT
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/* USB Device ID */
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#define USB_VENDOR_ID_AIC 0xA69C
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#ifndef CONFIG_USB_BT
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#define USB_PRODUCT_ID_AIC 0x8800
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#else
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#define USB_PRODUCT_ID_AIC 0x8801
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#endif
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#define AICWF_USB_RX_URBS (200)
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#define AICWF_USB_TX_URBS (100)
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#define AICWF_USB_TX_LOW_WATER (AICWF_USB_TX_URBS/4)
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#define AICWF_USB_TX_HIGH_WATER (AICWF_USB_TX_LOW_WATER*3)
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#define AICWF_USB_MAX_PKT_SIZE (2048)
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typedef enum {
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USB_TYPE_DATA = 0X00,
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USB_TYPE_CFG = 0X10,
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USB_TYPE_CFG_CMD_RSP = 0X11,
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USB_TYPE_CFG_DATA_CFM = 0X12
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} usb_type;
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enum aicwf_usb_state {
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USB_DOWN_ST,
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USB_UP_ST,
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USB_SLEEP_ST
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};
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struct aicwf_usb_buf {
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struct list_head list;
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struct aic_usb_dev *usbdev;
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struct urb *urb;
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struct sk_buff *skb;
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bool cfm;
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};
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struct aic_usb_dev {
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struct rwnx_hw *rwnx_hw;
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struct aicwf_bus *bus_if;
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struct usb_device *udev;
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struct device *dev;
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struct aicwf_rx_priv *rx_priv;
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enum aicwf_usb_state state;
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struct rwnx_cmd_mgr cmd_mgr;
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struct usb_anchor rx_submitted;
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struct work_struct rx_urb_work;
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spinlock_t rx_free_lock;
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spinlock_t tx_free_lock;
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spinlock_t tx_post_lock;
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spinlock_t tx_flow_lock;
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struct list_head rx_free_list;
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struct list_head tx_free_list;
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struct list_head tx_post_list;
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uint bulk_in_pipe;
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uint bulk_out_pipe;
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int tx_free_count;
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int tx_post_count;
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struct aicwf_usb_buf usb_tx_buf[AICWF_USB_TX_URBS];
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struct aicwf_usb_buf usb_rx_buf[AICWF_USB_RX_URBS];
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int msg_finished;
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wait_queue_head_t msg_wait;
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ulong msg_busy;
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struct urb *msg_out_urb;
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bool tbusy;
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};
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extern void aicwf_usb_exit(void);
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extern void aicwf_usb_register(void);
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extern void aicwf_usb_tx_flowctrl(struct rwnx_hw *rwnx_hw, bool state);
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int usb_bustx_thread(void *data);
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int usb_busrx_thread(void *data);
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extern void aicwf_hostif_ready(void);
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#endif /* AICWF_USB_SUPPORT */
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#endif /* _AICWF_USB_H_ */
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