usb.h

 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