1/*
  2
  3  Broadcom B43legacy wireless driver
  4
  5  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
  6  Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
  7  Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch>
  8  Copyright (c) 2005  Danny van Dyk <kugelfang@gentoo.org>
  9  Copyright (c) 2005  Andreas Jaggi <andreas.jaggi@waterwave.ch>
 10  Copyright (c) 2007  Larry Finger <Larry.Finger@lwfinger.net>
 11
 12  Some parts of the code in this file are derived from the ipw2200
 13  driver  Copyright(c) 2003 - 2004 Intel Corporation.
 14
 15  This program is free software; you can redistribute it and/or modify
 16  it under the terms of the GNU General Public License as published by
 17  the Free Software Foundation; either version 2 of the License, or
 18  (at your option) any later version.
 19
 20  This program is distributed in the hope that it will be useful,
 21  but WITHOUT ANY WARRANTY; without even the implied warranty of
 22  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 23  GNU General Public License for more details.
 24
 25  You should have received a copy of the GNU General Public License
 26  along with this program; see the file COPYING.  If not, write to
 27  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
 28  Boston, MA 02110-1301, USA.
 29
 30*/
 31
 32#ifndef B43legacy_MAIN_H_
 33#define B43legacy_MAIN_H_
 34
 35#include "b43legacy.h"
 36
 37
 38#define P4D_BYT3S(magic, nr_bytes)	u8 __p4dding##magic[nr_bytes]
 39#define P4D_BYTES(line, nr_bytes)	P4D_BYT3S(line, nr_bytes)
 40/* Magic helper macro to pad structures. Ignore those above. It's magic. */
 41#define PAD_BYTES(nr_bytes)		P4D_BYTES(__LINE__ , (nr_bytes))
 42
 43
 44/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
 45static inline
 46u8 b43legacy_freq_to_channel_bg(int freq)
 47{
 48	u8 channel;
 49
 50	if (freq == 2484)
 51		channel = 14;
 52	else
 53		channel = (freq - 2407) / 5;
 54
 55	return channel;
 56}
 57static inline
 58u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev,
 59			     int freq)
 60{
 61	return b43legacy_freq_to_channel_bg(freq);
 62}
 63
 64/* Lightweight function to convert a channel number to a frequency (in Mhz). */
 65static inline
 66int b43legacy_channel_to_freq_bg(u8 channel)
 67{
 68	int freq;
 69
 70	if (channel == 14)
 71		freq = 2484;
 72	else
 73		freq = 2407 + (5 * channel);
 74
 75	return freq;
 76}
 77
 78static inline
 79int b43legacy_channel_to_freq(struct b43legacy_wldev *dev,
 80			      u8 channel)
 81{
 82	return b43legacy_channel_to_freq_bg(channel);
 83}
 84
 85static inline
 86int b43legacy_is_cck_rate(int rate)
 87{
 88	return (rate == B43legacy_CCK_RATE_1MB ||
 89		rate == B43legacy_CCK_RATE_2MB ||
 90		rate == B43legacy_CCK_RATE_5MB ||
 91		rate == B43legacy_CCK_RATE_11MB);
 92}
 93
 94static inline
 95int b43legacy_is_ofdm_rate(int rate)
 96{
 97	return !b43legacy_is_cck_rate(rate);
 98}
 99
100void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf);
101void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf);
102
103u32 b43legacy_shm_read32(struct b43legacy_wldev *dev,
104			 u16 routing, u16 offset);
105u16 b43legacy_shm_read16(struct b43legacy_wldev *dev,
106			 u16 routing, u16 offset);
107void b43legacy_shm_write32(struct b43legacy_wldev *dev,
108			 u16 routing, u16 offset,
109			 u32 value);
110void b43legacy_shm_write16(struct b43legacy_wldev *dev,
111			 u16 routing, u16 offset,
112			 u16 value);
113
114u32 b43legacy_hf_read(struct b43legacy_wldev *dev);
115void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value);
116
117void b43legacy_dummy_transmission(struct b43legacy_wldev *dev);
118
119void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags);
120
121void b43legacy_mac_suspend(struct b43legacy_wldev *dev);
122void b43legacy_mac_enable(struct b43legacy_wldev *dev);
123
124void b43legacy_controller_restart(struct b43legacy_wldev *dev,
125				  const char *reason);
126
127#endif /* B43legacy_MAIN_H_ */