linux/drivers/net/wireless/b43legacy/main.h
Larry Finger 1065de1562 [B43LEGACY]: Change the hardware radio enable logic and cleanup code
This change cleans up the radio-related messages in several ways.

(1) The state of the rfkill switch is assumed to be on, rather than
    tested. Now, any user without such a switch will not see any
    messages. For devices with such a switch, a message will be
    logged only if the initial state is off, or if the switch is toggled.
(2) The routine for testing the switch state is no longer inline.
(3) The LED handling routine is simplified.
(4) The "Radio turned off" message that has confused some users has been
    changed to "Radio initialized".

This patch is patterned after a similar change to b43 by Michael Buesch.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:52:25 -07:00

128 lines
3.6 KiB
C

/*
Broadcom B43legacy wireless driver
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
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_ */