108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
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/* Copyright(c) 2018-2019 Realtek Corporation
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*/
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#ifndef __RTW_USB_H_
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#define __RTW_USB_H_
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#define FW_8192C_START_ADDRESS 0x1000
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#define FW_8192C_END_ADDRESS 0x5fff
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#define RTW_USB_MAX_RXTX_COUNT 128
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#define RTW_USB_VENQT_MAX_BUF_SIZE 254
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#define MAX_USBCTRL_VENDORREQ_TIMES 10
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#define RTW_USB_CMD_READ 0xc0
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#define RTW_USB_CMD_WRITE 0x40
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#define RTW_USB_CMD_REQ 0x05
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#define RTW_USB_VENQT_CMD_IDX 0x00
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#define RTW_USB_SUPER_SPEED_BULK_SIZE 1024
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#define RTW_USB_HIGH_SPEED_BULK_SIZE 512
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#define RTW_USB_FULL_SPEED_BULK_SIZE 64
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#define RTW_USB_TX_SEL_HQ BIT(0)
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#define RTW_USB_TX_SEL_LQ BIT(1)
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#define RTW_USB_TX_SEL_NQ BIT(2)
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#define RTW_USB_TX_SEL_EQ BIT(3)
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#define RTW_USB_BULK_IN_ADDR 0x80
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#define RTW_USB_INT_IN_ADDR 0x81
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#define RTW_USB_HW_QUEUE_ENTRY 8
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#define RTW_USB_PACKET_OFFSET_SZ 8
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#define RTW_USB_MAX_XMITBUF_SZ (1024 * 20)
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#define RTW_USB_MAX_RECVBUF_SZ 32768
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#define RTW_USB_RECVBUFF_ALIGN_SZ 8
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#define RTW_USB_RXAGG_SIZE 6
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#define RTW_USB_RXAGG_TIMEOUT 10
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#define RTW_USB_RXCB_NUM 4
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#define RTW_USB_EP_MAX 4
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#define TX_DESC_QSEL_MAX 20
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#define RTW_USB_VENDOR_ID_REALTEK 0x0bda
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static inline struct rtw_usb *rtw_get_usb_priv(struct rtw_dev *rtwdev)
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{
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return (struct rtw_usb *)rtwdev->priv;
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}
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struct rx_usb_ctrl_block {
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struct rtw_dev *rtwdev;
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struct urb *rx_urb;
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struct sk_buff *rx_skb;
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int n;
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};
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struct rtw_usb_tx_data {
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u8 sn;
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};
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struct rtw_usb {
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struct rtw_dev *rtwdev;
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struct usb_device *udev;
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/* protects usb_data_index */
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spinlock_t usb_lock;
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__le32 *usb_data;
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unsigned int usb_data_index;
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u32 bulkout_size;
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u8 pipe_interrupt;
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u8 pipe_in;
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u8 out_ep[RTW_USB_EP_MAX];
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int qsel_to_ep[TX_DESC_QSEL_MAX];
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u8 usb_txagg_num;
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struct workqueue_struct *txwq, *rxwq;
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struct sk_buff_head tx_queue[RTW_USB_EP_MAX];
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struct work_struct tx_work;
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struct rx_usb_ctrl_block rx_cb[RTW_USB_RXCB_NUM];
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struct sk_buff_head rx_queue;
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struct work_struct rx_work;
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};
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static inline struct rtw_usb_tx_data *rtw_usb_get_tx_data(struct sk_buff *skb)
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{
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struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
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BUILD_BUG_ON(sizeof(struct rtw_usb_tx_data) >
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sizeof(info->status.status_driver_data));
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return (struct rtw_usb_tx_data *)info->status.status_driver_data;
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}
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int rtw_usb_probe(struct usb_interface *intf, const struct usb_device_id *id);
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void rtw_usb_disconnect(struct usb_interface *intf);
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#endif
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