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Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/usb.h')
-rw-r--r--drivers/net/wireless/realtek/rtw88/usb.h100
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