text: /*
  
    Broadcom B43legacy wireless driver
  
    Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
    Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
    Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch>
    Copyright (c) 2005  Danny van Dyk <kugelfang@gentoo.org>
    Copyright (c) 2005  Andreas Jaggi <andreas.jaggi@waterwave.ch>
    Copyright (c) 2007  Larry Finger <Larry.Finger@lwfinger.net>
  
    Some parts of the code in this file are derived from the ipw2200
    driver  Copyright(c) 2003 - 2004 Intel Corporation.
  
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
  
    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; see the file COPYING.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
    Boston, MA 02110-1301, USA.
  
  */
  
  #ifndef B43legacy_MAIN_H_
  #define B43legacy_MAIN_H_
  
  #include "b43legacy.h"
  
  
  #define P4D_BYT3S(magic, nr_bytes)	u8 __p4dding##magic[nr_bytes]
  #define P4D_BYTES(line, nr_bytes)	P4D_BYT3S(line, nr_bytes)
  /* Magic helper macro to pad structures. Ignore those above. It's magic. */
  #define PAD_BYTES(nr_bytes)		P4D_BYTES(__LINE__ , (nr_bytes))
  
  
  /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
  static inline
  u8 b43legacy_freq_to_channel_bg(int freq)
  {
  	u8 channel;
  
  	if (freq == 2484)
  		channel = 14;
  	else
  		channel = (freq - 2407) / 5;
  
  	return channel;
  }
  static inline
  u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev,
  			     int freq)
  {
  	return b43legacy_freq_to_channel_bg(freq);
  }
  
  /* Lightweight function to convert a channel number to a frequency (in Mhz). */
  static inline
  int b43legacy_channel_to_freq_bg(u8 channel)
  {
  	int freq;
  
  	if (channel == 14)
  		freq = 2484;
  	else
  		freq = 2407 + (5 * channel);
  
  	return freq;
  }
  
  static inline
  int b43legacy_channel_to_freq(struct b43legacy_wldev *dev,
  			      u8 channel)
  {
  	return b43legacy_channel_to_freq_bg(channel);
  }
  
  static inline
  int b43legacy_is_cck_rate(int rate)
  {
  	return (rate == B43legacy_CCK_RATE_1MB ||
  		rate == B43legacy_CCK_RATE_2MB ||
  		rate == B43legacy_CCK_RATE_5MB ||
  		rate == B43legacy_CCK_RATE_11MB);
  }
  
  static inline
  int b43legacy_is_ofdm_rate(int rate)
  {
  	return !b43legacy_is_cck_rate(rate);
  }
  
  void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf);
  void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf);
  
  u32 b43legacy_shm_read32(struct b43legacy_wldev *dev,
  			 u16 routing, u16 offset);
  u16 b43legacy_shm_read16(struct b43legacy_wldev *dev,
  			 u16 routing, u16 offset);
  void b43legacy_shm_write32(struct b43legacy_wldev *dev,
  			 u16 routing, u16 offset,
  			 u32 value);
  void b43legacy_shm_write16(struct b43legacy_wldev *dev,
  			 u16 routing, u16 offset,
  			 u16 value);
  
  u32 b43legacy_hf_read(struct b43legacy_wldev *dev);
  void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value);
  
  void b43legacy_dummy_transmission(struct b43legacy_wldev *dev);
  
  void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags);
  
  void b43legacy_mac_suspend(struct b43legacy_wldev *dev);
  void b43legacy_mac_enable(struct b43legacy_wldev *dev);
  
  void b43legacy_controller_restart(struct b43legacy_wldev *dev,
  				  const char *reason);
  
  #endif /* B43legacy_MAIN_H_ */
  