linux/drivers/net/wireless/rtlwifi/usb.h
George 2ca20f79e0 rtlwifi: Add usb driver
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: George <george0505@realtek.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-11 16:16:37 -05:00

165 lines
4.5 KiB
C

/******************************************************************************
*
* Copyright(c) 2009-2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
* Hsinchu 300, Taiwan.
*
*****************************************************************************/
#ifndef __RTL_USB_H__
#define __RTL_USB_H__
#include <linux/usb.h>
#include <linux/skbuff.h>
#define RTL_USB_DEVICE(vend, prod, cfg) \
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
.idVendor = (vend), \
.idProduct = (prod), \
.driver_info = (kernel_ulong_t)&(cfg)
#define USB_HIGH_SPEED_BULK_SIZE 512
#define USB_FULL_SPEED_BULK_SIZE 64
#define RTL_USB_MAX_TXQ_NUM 4 /* max tx queue */
#define RTL_USB_MAX_EP_NUM 6 /* max ep number */
#define RTL_USB_MAX_TX_URBS_NUM 8
enum rtl_txq {
/* These definitions shall be consistent with value
* returned by skb_get_queue_mapping
*------------------------------------*/
RTL_TXQ_BK,
RTL_TXQ_BE,
RTL_TXQ_VI,
RTL_TXQ_VO,
/*------------------------------------*/
RTL_TXQ_BCN,
RTL_TXQ_MGT,
RTL_TXQ_HI,
/* Must be last */
__RTL_TXQ_NUM,
};
struct rtl_ep_map {
u32 ep_mapping[__RTL_TXQ_NUM];
};
struct _trx_info {
struct rtl_usb *rtlusb;
u32 ep_num;
};
static inline void _rtl_install_trx_info(struct rtl_usb *rtlusb,
struct sk_buff *skb,
u32 ep_num)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
info->rate_driver_data[0] = rtlusb;
info->rate_driver_data[1] = (void *)(__kernel_size_t)ep_num;
}
/* Add suspend/resume later */
enum rtl_usb_state {
USB_STATE_STOP = 0,
USB_STATE_START = 1,
};
#define IS_USB_STOP(rtlusb_ptr) (USB_STATE_STOP == (rtlusb_ptr)->state)
#define IS_USB_START(rtlusb_ptr) (USB_STATE_START == (rtlusb_ptr)->state)
#define SET_USB_STOP(rtlusb_ptr) \
do { \
(rtlusb_ptr)->state = USB_STATE_STOP; \
} while (0)
#define SET_USB_START(rtlusb_ptr) \
do { \
(rtlusb_ptr)->state = USB_STATE_START; \
} while (0)
struct rtl_usb {
struct usb_device *udev;
struct usb_interface *intf;
enum rtl_usb_state state;
/* Bcn control register setting */
u32 reg_bcn_ctrl_val;
/* for 88/92cu card disable */
u8 disableHWSM;
/*QOS & EDCA */
enum acm_method acm_method;
/* irq . HIMR,HIMR_EX */
u32 irq_mask[2];
bool irq_enabled;
u16 (*usb_mq_to_hwq)(u16 fc, u16 mac80211_queue_index);
/* Tx */
u8 out_ep_nums ;
u8 out_queue_sel;
struct rtl_ep_map ep_map;
u32 max_bulk_out_size;
u32 tx_submitted_urbs;
struct sk_buff_head tx_skb_queue[RTL_USB_MAX_EP_NUM];
struct usb_anchor tx_pending[RTL_USB_MAX_EP_NUM];
struct usb_anchor tx_submitted;
struct sk_buff *(*usb_tx_aggregate_hdl)(struct ieee80211_hw *,
struct sk_buff_head *);
int (*usb_tx_post_hdl)(struct ieee80211_hw *,
struct urb *, struct sk_buff *);
void (*usb_tx_cleanup)(struct ieee80211_hw *, struct sk_buff *);
/* Rx */
u8 in_ep_nums ;
u32 in_ep; /* Bulk IN endpoint number */
u32 rx_max_size; /* Bulk IN max buffer size */
u32 rx_urb_num; /* How many Bulk INs are submitted to host. */
struct usb_anchor rx_submitted;
void (*usb_rx_segregate_hdl)(struct ieee80211_hw *, struct sk_buff *,
struct sk_buff_head *);
void (*usb_rx_hdl)(struct ieee80211_hw *, struct sk_buff *);
};
struct rtl_usb_priv {
struct rtl_usb dev;
struct rtl_led_ctl ledctl;
};
#define rtl_usbpriv(hw) (((struct rtl_usb_priv *)(rtl_priv(hw))->priv))
#define rtl_usbdev(usbpriv) (&((usbpriv)->dev))
int __devinit rtl_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id);
void rtl_usb_disconnect(struct usb_interface *intf);
int rtl_usb_suspend(struct usb_interface *pusb_intf, pm_message_t message);
int rtl_usb_resume(struct usb_interface *pusb_intf);
#endif