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/**
******************************************************************************
*
* @file usb.h
*
* @brief usb driver definitions
*
* Copyright (C) ESWIN 2015-2020
*
******************************************************************************
*/
#ifndef __USB_H
#define __USB_H
#include "ecrnx_defs.h"
#include <linux/usb.h>
#define USB_INFAC_DATA 0
#define USB_INFAC_MSG 1
#define USB_DIR_MASK 0x80
#define USB_NUM_MASK 0x7F
#define USB_DATA_URB_NUM 64
#define USB_MSG_URB_NUM 16
#define USB_DIR_RX 0
#define USB_DIR_TX 1
#define USB_RX_MAX_BUF_SIZE 4096
struct usb_infac_pipe {
int dir;
u32 urb_cnt;
struct usb_infac_data_t *infac;
struct usb_anchor urb_submitted;
unsigned int usb_pipe_handle;
struct list_head urb_list_head;
#ifdef CONFIG_ECRNX_WORKQUEUE
struct work_struct io_complete_work;
#endif
#ifdef CONFIG_ECRNX_TASKLET
struct tasklet_struct tx_tasklet;
struct tasklet_struct rx_tasklet;
#endif
struct sk_buff_head io_comp_queue;
unsigned int err_count;
int err_status;
};
struct usb_infac_data_t {
struct usb_interface *interface;
struct usb_device *udev;
u16 max_packet_size;
struct usb_infac_pipe pipe_rx;
struct usb_infac_pipe pipe_tx;
};
struct eswin_usb {
struct eswin * p_eswin;
struct device * dev;
struct usb_infac_data_t infac_data;
struct usb_infac_data_t infac_msg;
#ifdef CONFIG_ECRNX_KTHREAD
struct task_struct *kthread_tx_comp;
struct task_struct *kthread_rx_comp;
wait_queue_head_t wait_tx_comp;
wait_queue_head_t wait_rx_comp;
#endif
spinlock_t cs_lock;
u8 usb_enum_already;
};
struct usb_urb_context {
struct list_head link;
struct sk_buff *skb;
struct urb *urb;
struct usb_infac_pipe * pipe;
};
struct usb_ops {
int (*start)(struct eswin *tr);
int (*xmit)(struct eswin *tr, struct sk_buff *skb);
int (*suspend)(struct eswin *tr);
int (*resume)(struct eswin *tr);
int (*write)(struct eswin *tr, const void* data, const u32 len);
int (*wait_ack)(struct eswin *tr, void* data, const u32 len);
};
extern int ecrnx_usb_register_drv(void);
extern void ecrnx_usb_unregister_drv(void);
#endif /* __SDIO_H */
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