1/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2/* Copyright(c) 2025 Realtek Corporation
3 */
4
5#ifndef __RTW89_USB_H__
6#define __RTW89_USB_H__
7
8#include "txrx.h"
9
10#define RTW89_USB_VENQT 0x05
11#define RTW89_USB_VENQT_READ 0xc0
12#define RTW89_USB_VENQT_WRITE 0x40
13
14#define RTW89_USB_RECVBUF_SZ 20480
15#define RTW89_USB_RXCB_NUM 8
16#define RTW89_USB_RX_SKB_NUM 16
17#define RTW89_USB_MAX_RXQ_LEN 512
18#define RTW89_USB_MOD512_PADDING 4
19
20#define RTW89_MAX_ENDPOINT_NUM 9
21#define RTW89_MAX_BULKOUT_NUM 7
22
23struct rtw89_usb_info {
24 u32 usb_host_request_2;
25 u32 usb_wlan0_1;
26 u32 hci_func_en;
27 u32 usb3_mac_npi_config_intf_0;
28 u32 usb_endpoint_0;
29 u32 usb_endpoint_2;
30 u8 bulkout_id[RTW89_DMA_CH_NUM];
31};
32
33struct rtw89_usb_rx_ctrl_block {
34 struct rtw89_dev *rtwdev;
35 struct urb *rx_urb;
36 struct sk_buff *rx_skb;
37};
38
39struct rtw89_usb_tx_ctrl_block {
40 struct rtw89_dev *rtwdev;
41 u8 txch;
42 struct sk_buff_head tx_ack_queue;
43};
44
45struct rtw89_usb {
46 struct rtw89_dev *rtwdev;
47 struct usb_device *udev;
48 const struct rtw89_usb_info *info;
49
50 __le32 *vendor_req_buf;
51
52 atomic_t continual_io_error;
53
54 u8 in_pipe;
55 u8 out_pipe[RTW89_MAX_BULKOUT_NUM];
56
57 struct workqueue_struct *rxwq;
58 struct rtw89_usb_rx_ctrl_block rx_cb[RTW89_USB_RXCB_NUM];
59 struct sk_buff_head rx_queue;
60 struct sk_buff_head rx_free_queue;
61 struct work_struct rx_work;
62 struct work_struct rx_urb_work;
63 struct usb_anchor tx_submitted;
64
65 struct sk_buff_head tx_queue[RTW89_TXCH_NUM];
66};
67
68static inline struct rtw89_usb *rtw89_usb_priv(struct rtw89_dev *rtwdev)
69{
70 return (struct rtw89_usb *)rtwdev->priv;
71}
72
73int rtw89_usb_probe(struct usb_interface *intf,
74 const struct usb_device_id *id);
75void rtw89_usb_disconnect(struct usb_interface *intf);
76
77#endif
78

source code of linux/drivers/net/wireless/realtek/rtw89/usb.h