admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

wifi: rtw89: Add usb.{c,h}

Browse Source 
Add basic USB support. No TX/RX aggregation, no switching to USB 3 mode.

RTL8851BU and RTL8832BU work.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/f9ad1664-2d63-4a8f-88bf-c7b7bececbfe@gmail.com
This commit is contained in:
Bitterblue Smith
2025-06-30 23:46:55 +03:00
committed by Ping-Ke Shih
parent ed88640ea1
commit 2135c28be6
2 changed files with 1107 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1042
drivers/net/wireless/realtek/rtw89/usb.c Normal file
View File

File diff suppressed because it is too large Load Diff

65
drivers/net/wireless/realtek/rtw89/usb.h Normal file
View File

@@ -0,0 +1,65 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/* Copyright(c) 2025 Realtek Corporation
*/
#ifndef __RTW89_USB_H__
#define __RTW89_USB_H__
#include "txrx.h"
#define RTW89_USB_VENQT 0x05
#define RTW89_USB_VENQT_READ 0xc0
#define RTW89_USB_VENQT_WRITE 0x40
#define RTW89_USB_RECVBUF_SZ 20480
#define RTW89_USB_RXCB_NUM 8
#define RTW89_USB_RX_SKB_NUM 16
#define RTW89_USB_MAX_RXQ_LEN 512
#define RTW89_USB_MOD512_PADDING 4
#define RTW89_MAX_ENDPOINT_NUM 9
#define RTW89_MAX_BULKOUT_NUM 7
struct rtw89_usb_rx_ctrl_block {
struct rtw89_dev *rtwdev;
struct urb *rx_urb;
struct sk_buff *rx_skb;
};
struct rtw89_usb_tx_ctrl_block {
struct rtw89_dev *rtwdev;
u8 txch;
struct sk_buff_head tx_ack_queue;
};
struct rtw89_usb {
struct rtw89_dev *rtwdev;
struct usb_device *udev;
__le32 *vendor_req_buf;
atomic_t continual_io_error;
u8 in_pipe;
u8 out_pipe[RTW89_MAX_BULKOUT_NUM];
struct workqueue_struct *rxwq;
struct rtw89_usb_rx_ctrl_block rx_cb[RTW89_USB_RXCB_NUM];
struct sk_buff_head rx_queue;
struct sk_buff_head rx_free_queue;
struct work_struct rx_work;
struct work_struct rx_urb_work;
struct sk_buff_head tx_queue[RTW89_TXCH_NUM];
};
static inline struct rtw89_usb *rtw89_usb_priv(struct rtw89_dev *rtwdev)
{
return (struct rtw89_usb *)rtwdev->priv;
}
int rtw89_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id);
void rtw89_usb_disconnect(struct usb_interface *intf);
#endif