realtek/rtlwifi/usb.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright(c) 2009-2012  Realtek Corporation.*/
0003
0004 #ifndef __RTL_USB_H__
0005 #define __RTL_USB_H__
0006
0007 #include <linux/skbuff.h>
0008
0009 #define RTL_RX_DESC_SIZE        24
0010
0011 #define RTL_USB_DEVICE(vend, prod, cfg) \
0012     .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
0013     .idVendor = (vend), \
0014     .idProduct = (prod), \
0015     .driver_info = (kernel_ulong_t)&(cfg)
0016
0017 #define USB_HIGH_SPEED_BULK_SIZE    512
0018 #define USB_FULL_SPEED_BULK_SIZE    64
0019
0020 #define RTL_USB_MAX_TXQ_NUM     4       /* max tx queue */
0021 #define RTL_USB_MAX_EP_NUM      6       /* max ep number */
0022 #define RTL_USB_MAX_TX_URBS_NUM     8
0023
0024 enum rtl_txq {
0025     /* These definitions shall be consistent with value
0026      * returned by skb_get_queue_mapping
0027      *------------------------------------*/
0028     RTL_TXQ_BK,
0029     RTL_TXQ_BE,
0030     RTL_TXQ_VI,
0031     RTL_TXQ_VO,
0032     /*------------------------------------*/
0033     RTL_TXQ_BCN,
0034     RTL_TXQ_MGT,
0035     RTL_TXQ_HI,
0036
0037     /* Must be last */
0038     __RTL_TXQ_NUM,
0039 };
0040
0041 struct rtl_ep_map {
0042     u32 ep_mapping[__RTL_TXQ_NUM];
0043 };
0044
0045 struct _trx_info {
0046     struct rtl_usb *rtlusb;
0047     u32 ep_num;
0048 };
0049
0050 static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
0051                      struct sk_buff *skb,
0052                      u32 ep_num)
0053 {
0054     struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
0055
0056     info->rate_driver_data[0] = rtlusb;
0057     info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
0058 }
0059
0060 /*  Add suspend/resume later */
0061 enum rtl_usb_state {
0062     USB_STATE_STOP  = 0,
0063     USB_STATE_START = 1,
0064 };
0065
0066 #define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
0067 #define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
0068 #define SET_USB_STOP(rtlusb_ptr) \
0069     do {                            \
0070         (rtlusb_ptr)->state = USB_STATE_STOP;       \
0071     } while (0)
0072
0073 #define SET_USB_START(rtlusb_ptr)               \
0074     do { \
0075         (rtlusb_ptr)->state = USB_STATE_START;      \
0076     } while (0)
0077
0078 struct rtl_usb {
0079     struct usb_device *udev;
0080     struct usb_interface *intf;
0081     enum rtl_usb_state state;
0082
0083     /* Bcn control register setting */
0084     u32 reg_bcn_ctrl_val;
0085     /* for 88/92cu card disable */
0086     u8  disablehwsm;
0087     /*QOS & EDCA */
0088     enum acm_method acm_method;
0089     /* irq  . HIMR,HIMR_EX */
0090     u32 irq_mask[2];
0091     bool irq_enabled;
0092
0093     u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
0094
0095     /* Tx */
0096     u8 out_ep_nums ;
0097     u8 out_queue_sel;
0098     struct rtl_ep_map ep_map;
0099
0100     u32 max_bulk_out_size;
0101     u32 tx_submitted_urbs;
0102     struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
0103
0104     struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
0105     struct usb_anchor tx_submitted;
0106
0107     struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
0108                         struct sk_buff_head *);
0109     int (*usb_tx_post_hdl)(struct ieee80211_hw *,
0110                    struct urb *, struct sk_buff *);
0111     void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
0112
0113     /* Rx */
0114     u8 in_ep_nums;
0115     u32 in_ep;      /* Bulk IN endpoint number */
0116     u32 rx_max_size;    /* Bulk IN max buffer size */
0117     u32 rx_urb_num;     /* How many Bulk INs are submitted to host. */
0118     struct usb_anchor   rx_submitted;
0119     struct usb_anchor   rx_cleanup_urbs;
0120     struct tasklet_struct   rx_work_tasklet;
0121     struct sk_buff_head rx_queue;
0122     void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
0123                      struct sk_buff_head *);
0124     void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
0125 };
0126
0127 struct rtl_usb_priv {
0128     struct bt_coexist_info bt_coexist;
0129     struct rtl_usb dev;
0130 };
0131
0132 #define rtl_usbpriv(hw)  (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
0133 #define rtl_usbdev(usbpriv) (&((usbpriv)->dev))
0134
0135 int rtl_usb_probe(struct usb_interface *intf,
0136           const struct usb_device_id *id,
0137           struct rtl_hal_cfg *rtl92cu_hal_cfg);
0138 void rtl_usb_disconnect(struct usb_interface *intf);
0139 int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
0140 int rtl_usb_resume(struct usb_interface *pusb_intf);
0141
0142 #endif