package/rt2x00/src/rt2x00usb.h

   1 /*
   2         Copyright (C) 2004 - 2007 rt2x00 SourceForge Project
   3         <http://rt2x00.serialmonkey.com>
   4
   5         This program is free software; you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation; either version 2 of the License, or
   8         (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program; if not, write to the
  17         Free Software Foundation, Inc.,
  18         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 /*
  22         Module: rt2x00usb
  23         Abstract: Data structures for the rt2x00usb module.
  24         Supported chipsets: rt2570, rt2571W & rt2671.
  25  */
  26
  27 #ifndef RT2X00USB_H
  28 #define RT2X00USB_H
  29
  30 /*
  31  * This variable should be used with the
  32  * usb_driver structure initialization.
  33  */
  34 #define USB_DEVICE_DATA(__ops)  .driver_info = (kernel_ulong_t)(__ops)
  35
  36 /*
  37  * Register defines.
  38  * When register access attempts should be repeated
  39  * only REGISTER_BUSY_COUNT attempts with a delay
  40  * of REGISTER_BUSY_DELAY us should be taken.
  41  * For USB vendor requests we need to pass a timeout
  42  * time in ms, for this we use the REGISTER_TIMEOUT,
  43  * however when loading firmware a higher value is
  44  * required. For that we use the REGISTER_TIMEOUT_FIRMWARE.
  45  */
  46 #define REGISTER_BUSY_COUNT             5
  47 #define REGISTER_BUSY_DELAY             100
  48 #define REGISTER_TIMEOUT                20
  49 #define REGISTER_TIMEOUT_FIRMWARE       1000
  50
  51 /*
  52  * USB request types.
  53  */
  54 #define USB_VENDOR_REQUEST      ( USB_TYPE_VENDOR | USB_RECIP_DEVICE )
  55 #define USB_VENDOR_REQUEST_IN   ( USB_DIR_IN | USB_VENDOR_REQUEST )
  56 #define USB_VENDOR_REQUEST_OUT  ( USB_DIR_OUT | USB_VENDOR_REQUEST )
  57
  58 /*
  59  * USB vendor commands.
  60  */
  61 #define USB_DEVICE_MODE         0x01
  62 #define USB_SINGLE_WRITE        0x02
  63 #define USB_SINGLE_READ         0x03
  64 #define USB_MULTI_WRITE         0x06
  65 #define USB_MULTI_READ          0x07
  66 #define USB_EEPROM_WRITE        0x08
  67 #define USB_EEPROM_READ         0x09
  68 #define USB_LED_CONTROL         0x0a    /* RT73USB */
  69 #define USB_RX_CONTROL          0x0c
  70
  71 /*
  72  * Device modes offset
  73  */
  74 #define USB_MODE_RESET          0x01
  75 #define USB_MODE_UNPLUG         0x02
  76 #define USB_MODE_FUNCTION       0x03
  77 #define USB_MODE_TEST           0x04
  78 #define USB_MODE_SLEEP          0x07    /* RT73USB */
  79 #define USB_MODE_FIRMWARE       0x08    /* RT73USB */
  80 #define USB_MODE_WAKEUP         0x09    /* RT73USB */
  81
  82 /*
  83  * USB devices need an additional Beacon (guardian beacon) to be generated.
  84  */
  85 #undef BEACON_ENTRIES
  86 #define BEACON_ENTRIES 2
  87
  88 /*
  89  * Interfacing with the HW.
  90  */
  91 int rt2x00usb_vendor_request(const struct rt2x00_dev *rt2x00dev,
  92         const u8 request, const u8 type, const u16 offset,
  93         u32 value, void *buffer, const u16 buffer_length, const u16 timeout);
  94
  95 /*
  96  * Radio handlers
  97  */
  98 void rt2x00usb_enable_radio(struct rt2x00_dev *rt2x00dev);
  99 void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev);
 100
 101 /*
 102  * Beacon handlers.
 103  */
 104 int rt2x00usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
 105         struct ieee80211_tx_control *control);
 106 void rt2x00usb_beacondone(struct urb *urb);
 107
 108 /*
 109  * TX data handlers.
 110  */
 111 int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
 112         struct data_ring *ring, struct sk_buff *skb,
 113         struct ieee80211_tx_control *control);
 114
 115 /*
 116  * Device initialization handlers.
 117  */
 118 int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev);
 119 void rt2x00usb_uninitialize(struct rt2x00_dev *rt2x00dev);
 120
 121 /*
 122  * USB driver handlers.
 123  */
 124 int rt2x00usb_probe(struct usb_interface *usb_intf,
 125         const struct usb_device_id *id);
 126 void rt2x00usb_disconnect(struct usb_interface *usb_intf);
 127 #ifdef CONFIG_PM
 128 int rt2x00usb_suspend(struct usb_interface *usb_intf, pm_message_t state);
 129 int rt2x00usb_resume(struct usb_interface *usb_intf);
 130 #endif /* CONFIG_PM */
 131
 132 #endif /* RT2X00USB_H */