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/* 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_SUPER_SPEED_BULK_SIZE 1024
#define RTW_USB_HIGH_SPEED_BULK_SIZE 512
#define RTW_USB_FULL_SPEED_BULK_SIZE 64
#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;
int n;
};
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;
u32 bulkout_size;
u8 pipe_interrupt;
u8 pipe_in;
u8 out_ep[RTW_USB_EP_MAX];
int qsel_to_ep[TX_DESC_QSEL_MAX];
u8 usb_txagg_num;
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
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