usb.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright(c) 2009-2012  Realtek Corporation.*/
  3
  4#ifndef __RTL_USB_H__
  5#define __RTL_USB_H__
  6
  7#include <linux/skbuff.h>
  8
  9#define RTL_RX_DESC_SIZE		24
 10
 11#define RTL_USB_DEVICE(vend, prod, cfg) \
 12	.match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
 13	.idVendor = (vend), \
 14	.idProduct = (prod), \
 15	.driver_info = (kernel_ulong_t)&(cfg)
 16
 17#define USB_HIGH_SPEED_BULK_SIZE	512
 18#define USB_FULL_SPEED_BULK_SIZE	64
 19
 20#define RTL_USB_MAX_TXQ_NUM		4		/* max tx queue */
 21#define RTL_USB_MAX_EP_NUM		6		/* max ep number */
 22#define RTL_USB_MAX_BULKOUT_NUM		4
 23#define RTL_USB_MAX_TX_URBS_NUM		8
 24
 25enum rtl_txq {
 26	/* These definitions shall be consistent with value
 27	 * returned by skb_get_queue_mapping
 28	 *------------------------------------*/
 29	RTL_TXQ_BK,
 30	RTL_TXQ_BE,
 31	RTL_TXQ_VI,
 32	RTL_TXQ_VO,
 33	/*------------------------------------*/
 34	RTL_TXQ_BCN,
 35	RTL_TXQ_MGT,
 36	RTL_TXQ_HI,
 37
 38	/* Must be last */
 39	__RTL_TXQ_NUM,
 40};
 41
 42struct rtl_ep_map {
 43	u32 ep_mapping[__RTL_TXQ_NUM];
 44};
 45
 46struct _trx_info {
 47	struct rtl_usb *rtlusb;
 48	u32 ep_num;
 49};
 50
 51static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
 52					 struct sk_buff *skb,
 53					 u32 ep_num)
 54{
 55	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 56
 57	info->rate_driver_data[0] = rtlusb;
 58	info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
 59}
 60
 61/*  Add suspend/resume later */
 62enum rtl_usb_state {
 63	USB_STATE_STOP	= 0,
 64	USB_STATE_START	= 1,
 65};
 66
 67#define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
 68#define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
 69#define SET_USB_STOP(rtlusb_ptr) \
 70	do {							\
 71		(rtlusb_ptr)->state = USB_STATE_STOP;		\
 72	} while (0)
 73
 74#define SET_USB_START(rtlusb_ptr)				\
 75	do { \
 76		(rtlusb_ptr)->state = USB_STATE_START;		\
 77	} while (0)
 78
 79struct rtl_usb {
 80	struct usb_device *udev;
 81	struct usb_interface *intf;
 82	enum rtl_usb_state state;
 83
 84	/* Bcn control register setting */
 85	u32 reg_bcn_ctrl_val;
 86	/* for 88/92cu card disable */
 87	u8	disablehwsm;
 88	/*QOS & EDCA */
 89	enum acm_method acm_method;
 90	/* irq  . HIMR,HIMR_EX */
 91	u32 irq_mask[2];
 92	bool irq_enabled;
 93
 94	u16 (*usb_mq_to_hwq)(__le16 fc, u16 mac80211_queue_index);
 95
 96	/* Tx */
 97	u8 out_ep_nums ;
 98	u8 out_eps[RTL_USB_MAX_BULKOUT_NUM];
 99	u8 out_queue_sel;
100	struct rtl_ep_map ep_map;
101
102	u32 max_bulk_out_size;
103	u32 tx_submitted_urbs;
104	struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
105
106	struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
107	struct usb_anchor tx_submitted;
108
109	struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
110						struct sk_buff_head *);
111	int (*usb_tx_post_hdl)(struct ieee80211_hw *,
112			       struct urb *, struct sk_buff *);
113	void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
114
115	/* Rx */
116	u8 in_ep_nums;
117	u32 in_ep;		/* Bulk IN endpoint number */
118	u32 rx_max_size;	/* Bulk IN max buffer size */
119	u32 rx_urb_num;		/* How many Bulk INs are submitted to host. */
120	struct usb_anchor	rx_submitted;
121	struct usb_anchor	rx_cleanup_urbs;
122	struct tasklet_struct   rx_work_tasklet;
123	struct sk_buff_head	rx_queue;
124	void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
125				     struct sk_buff_head *);
126	void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
127};
128
129struct rtl_usb_priv {
130	struct bt_coexist_info bt_coexist;
131	struct rtl_usb dev;
132};
133
134#define rtl_usbpriv(hw)	 (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
135#define rtl_usbdev(usbpriv)	(&((usbpriv)->dev))
136
137int rtl_usb_probe(struct usb_interface *intf,
138		  const struct usb_device_id *id,
139		  const struct rtl_hal_cfg *rtl92cu_hal_cfg);
140void rtl_usb_disconnect(struct usb_interface *intf);
141
142#endif