diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/usb.h')
-rw-r--r-- | drivers/net/wireless/realtek/rtw88/usb.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/usb.h b/drivers/net/wireless/realtek/rtw88/usb.h new file mode 100644 index 0000000000..86697a5c01 --- /dev/null +++ b/drivers/net/wireless/realtek/rtw88/usb.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* Copyright(c) 2018-2019 Realtek Corporation + */ + +#ifndef __RTW_USB_H_ +#define __RTW_USB_H_ + +#define FW_8192C_START_ADDRESS 0x1000 +#define FW_8192C_END_ADDRESS 0x5fff + +#define RTW_USB_MAX_RXTX_COUNT 128 +#define RTW_USB_VENQT_MAX_BUF_SIZE 254 +#define MAX_USBCTRL_VENDORREQ_TIMES 10 + +#define RTW_USB_CMD_READ 0xc0 +#define RTW_USB_CMD_WRITE 0x40 +#define RTW_USB_CMD_REQ 0x05 + +#define RTW_USB_VENQT_CMD_IDX 0x00 + +#define RTW_USB_TX_SEL_HQ BIT(0) +#define RTW_USB_TX_SEL_LQ BIT(1) +#define RTW_USB_TX_SEL_NQ BIT(2) +#define RTW_USB_TX_SEL_EQ BIT(3) + +#define RTW_USB_BULK_IN_ADDR 0x80 +#define RTW_USB_INT_IN_ADDR 0x81 + +#define RTW_USB_HW_QUEUE_ENTRY 8 + +#define RTW_USB_PACKET_OFFSET_SZ 8 +#define RTW_USB_MAX_XMITBUF_SZ (1024 * 20) +#define RTW_USB_MAX_RECVBUF_SZ 32768 + +#define RTW_USB_RECVBUFF_ALIGN_SZ 8 + +#define RTW_USB_RXAGG_SIZE 6 +#define RTW_USB_RXAGG_TIMEOUT 10 + +#define RTW_USB_RXCB_NUM 4 + +#define RTW_USB_EP_MAX 4 + +#define TX_DESC_QSEL_MAX 20 + +#define RTW_USB_VENDOR_ID_REALTEK 0x0bda + +static inline struct rtw_usb *rtw_get_usb_priv(struct rtw_dev *rtwdev) +{ + return (struct rtw_usb *)rtwdev->priv; +} + +struct rx_usb_ctrl_block { + struct rtw_dev *rtwdev; + struct urb *rx_urb; + struct sk_buff *rx_skb; +}; + +struct rtw_usb_tx_data { + u8 sn; +}; + +struct rtw_usb { + struct rtw_dev *rtwdev; + struct usb_device *udev; + + /* protects usb_data_index */ + spinlock_t usb_lock; + __le32 *usb_data; + unsigned int usb_data_index; + + u8 pipe_interrupt; + u8 pipe_in; + u8 out_ep[RTW_USB_EP_MAX]; + int qsel_to_ep[TX_DESC_QSEL_MAX]; + + struct workqueue_struct *txwq, *rxwq; + + struct sk_buff_head tx_queue[RTW_USB_EP_MAX]; + struct work_struct tx_work; + + struct rx_usb_ctrl_block rx_cb[RTW_USB_RXCB_NUM]; + struct sk_buff_head rx_queue; + struct work_struct rx_work; +}; + +static inline struct rtw_usb_tx_data *rtw_usb_get_tx_data(struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + BUILD_BUG_ON(sizeof(struct rtw_usb_tx_data) > + sizeof(info->status.status_driver_data)); + + return (struct rtw_usb_tx_data *)info->status.status_driver_data; +} + +int rtw_usb_probe(struct usb_interface *intf, const struct usb_device_id *id); +void rtw_usb_disconnect(struct usb_interface *intf); + +#endif |