1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ 2 /* Copyright(c) 2018-2019 Realtek Corporation 3 */ 4 5 #ifndef __RTW_USB_H_ 6 #define __RTW_USB_H_ 7 8 #define FW_8192C_START_ADDRESS 0x1000 9 #define FW_8192C_END_ADDRESS 0x5fff 10 11 #define RTW_USB_MAX_RXTX_COUNT 128 12 #define RTW_USB_VENQT_MAX_BUF_SIZE 254 13 #define MAX_USBCTRL_VENDORREQ_TIMES 10 14 15 #define RTW_USB_CMD_READ 0xc0 16 #define RTW_USB_CMD_WRITE 0x40 17 #define RTW_USB_CMD_REQ 0x05 18 19 #define RTW_USB_VENQT_CMD_IDX 0x00 20 21 #define RTW_USB_SUPER_SPEED_BULK_SIZE 1024 22 #define RTW_USB_HIGH_SPEED_BULK_SIZE 512 23 #define RTW_USB_FULL_SPEED_BULK_SIZE 64 24 25 #define RTW_USB_TX_SEL_HQ BIT(0) 26 #define RTW_USB_TX_SEL_LQ BIT(1) 27 #define RTW_USB_TX_SEL_NQ BIT(2) 28 #define RTW_USB_TX_SEL_EQ BIT(3) 29 30 #define RTW_USB_BULK_IN_ADDR 0x80 31 #define RTW_USB_INT_IN_ADDR 0x81 32 33 #define RTW_USB_HW_QUEUE_ENTRY 8 34 35 #define RTW_USB_PACKET_OFFSET_SZ 8 36 #define RTW_USB_MAX_XMITBUF_SZ (1024 * 20) 37 #define RTW_USB_MAX_RECVBUF_SZ 32768 38 39 #define RTW_USB_RECVBUFF_ALIGN_SZ 8 40 41 #define RTW_USB_RXAGG_SIZE 6 42 #define RTW_USB_RXAGG_TIMEOUT 10 43 44 #define RTW_USB_RXCB_NUM 4 45 46 #define RTW_USB_EP_MAX 4 47 48 #define TX_DESC_QSEL_MAX 20 49 50 #define RTW_USB_VENDOR_ID_REALTEK 0x0bda 51 52 static inline struct rtw_usb *rtw_get_usb_priv(struct rtw_dev *rtwdev) 53 { 54 return (struct rtw_usb *)rtwdev->priv; 55 } 56 57 struct rx_usb_ctrl_block { 58 struct rtw_dev *rtwdev; 59 struct urb *rx_urb; 60 struct sk_buff *rx_skb; 61 int n; 62 }; 63 64 struct rtw_usb_tx_data { 65 u8 sn; 66 }; 67 68 struct rtw_usb { 69 struct rtw_dev *rtwdev; 70 struct usb_device *udev; 71 72 /* protects usb_data_index */ 73 spinlock_t usb_lock; 74 __le32 *usb_data; 75 unsigned int usb_data_index; 76 77 u32 bulkout_size; 78 u8 pipe_interrupt; 79 u8 pipe_in; 80 u8 out_ep[RTW_USB_EP_MAX]; 81 u8 qsel_to_ep[TX_DESC_QSEL_MAX]; 82 u8 usb_txagg_num; 83 84 struct workqueue_struct *txwq, *rxwq; 85 86 struct sk_buff_head tx_queue[RTW_USB_EP_MAX]; 87 struct work_struct tx_work; 88 89 struct rx_usb_ctrl_block rx_cb[RTW_USB_RXCB_NUM]; 90 struct sk_buff_head rx_queue; 91 struct work_struct rx_work; 92 }; 93 94 static inline struct rtw_usb_tx_data *rtw_usb_get_tx_data(struct sk_buff *skb) 95 { 96 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 97 98 BUILD_BUG_ON(sizeof(struct rtw_usb_tx_data) > 99 sizeof(info->status.status_driver_data)); 100 101 return (struct rtw_usb_tx_data *)info->status.status_driver_data; 102 } 103 104 int rtw_usb_probe(struct usb_interface *intf, const struct usb_device_id *id); 105 void rtw_usb_disconnect(struct usb_interface *intf); 106 107 #endif 108