Contributors: 4
Author Tokens Token Proportion Commits Commit Proportion
Bitterblue Smith 270 84.64% 6 66.67%
Shin-Yi Lin 35 10.97% 1 11.11%
Lucid Duck 10 3.13% 1 11.11%
Fedor Pchelkin 4 1.25% 1 11.11%
Total 319 9 


/* 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_BULKIN_NUM		2
#define RTW89_MAX_BULKOUT_NUM		7

#define R_AX_RXAGG_0_V1			0x6000
#define B_AX_RXAGG_0_EN			BIT(31)
#define B_AX_RXAGG_0_NUM_TH		GENMASK(23, 16)
#define B_AX_RXAGG_0_TIME_32US_TH	GENMASK(15, 8)
#define B_AX_RXAGG_0_BUF_SZ_1K		GENMASK(7, 0)

#define R_AX_RXAGG_1_V1			0x6004

#define R_BE_RXAGG_0_V1			0x6000
#define B_BE_RXAGG_0_EN			BIT(31)
#define B_BE_RXAGG_0_NUM_TH		GENMASK(23, 16)
#define B_BE_RXAGG_0_TIME_32US_TH	GENMASK(15, 8)
#define B_BE_RXAGG_0_BUF_SZ_1K		GENMASK(7, 0)

#define R_BE_RXAGG_1_V1			0x6004

#define R_AX_RXAGG_0			0x8900
#define B_AX_RXAGG_0_BUF_SZ_4K		GENMASK(7, 0)

#define RTW89_USB_MAX_TX_URBS_PER_CH	128

struct rtw89_usb_info {
	u32 usb_host_request_2;
	u32 usb_wlan0_1;
	u32 hci_func_en;
	u32 usb3_mac_npi_config_intf_0;
	u32 usb_endpoint_0;
	u32 usb_endpoint_2;
	u8 rx_agg_alignment;
	u8 bulkout_id[RTW89_DMA_CH_NUM];
};

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;
	const struct rtw89_usb_info *info;

	__le32 *vendor_req_buf;

	atomic_t continual_io_error;

	u8 in_pipe[RTW89_MAX_BULKIN_NUM];
	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 usb_anchor tx_submitted;

	struct sk_buff_head tx_queue[RTW89_TXCH_NUM];
	atomic_t tx_inflight[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