mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-05 11:53:41 +00:00
2135c28be6
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
66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/* Copyright(c) 2025 Realtek Corporation
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*/
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#ifndef __RTW89_USB_H__
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#define __RTW89_USB_H__
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#include "txrx.h"
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#define RTW89_USB_VENQT 0x05
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#define RTW89_USB_VENQT_READ 0xc0
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#define RTW89_USB_VENQT_WRITE 0x40
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#define RTW89_USB_RECVBUF_SZ 20480
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#define RTW89_USB_RXCB_NUM 8
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#define RTW89_USB_RX_SKB_NUM 16
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#define RTW89_USB_MAX_RXQ_LEN 512
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#define RTW89_USB_MOD512_PADDING 4
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#define RTW89_MAX_ENDPOINT_NUM 9
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#define RTW89_MAX_BULKOUT_NUM 7
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struct rtw89_usb_rx_ctrl_block {
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struct rtw89_dev *rtwdev;
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struct urb *rx_urb;
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struct sk_buff *rx_skb;
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};
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struct rtw89_usb_tx_ctrl_block {
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struct rtw89_dev *rtwdev;
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u8 txch;
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struct sk_buff_head tx_ack_queue;
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};
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struct rtw89_usb {
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struct rtw89_dev *rtwdev;
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struct usb_device *udev;
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__le32 *vendor_req_buf;
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atomic_t continual_io_error;
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u8 in_pipe;
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u8 out_pipe[RTW89_MAX_BULKOUT_NUM];
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struct workqueue_struct *rxwq;
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struct rtw89_usb_rx_ctrl_block rx_cb[RTW89_USB_RXCB_NUM];
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struct sk_buff_head rx_queue;
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struct sk_buff_head rx_free_queue;
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struct work_struct rx_work;
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struct work_struct rx_urb_work;
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struct sk_buff_head tx_queue[RTW89_TXCH_NUM];
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};
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static inline struct rtw89_usb *rtw89_usb_priv(struct rtw89_dev *rtwdev)
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{
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return (struct rtw89_usb *)rtwdev->priv;
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}
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int rtw89_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id);
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void rtw89_usb_disconnect(struct usb_interface *intf);
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#endif
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