/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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Broadcom B43legacy wireless driver
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Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
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Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
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Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch>
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Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
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Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
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Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net>
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Some parts of the code in this file are derived from the ipw2200
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driver Copyright(c) 2003 - 2004 Intel Corporation.
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*/
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#ifndef B43legacy_MAIN_H_
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#define B43legacy_MAIN_H_
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#include "b43legacy.h"
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#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes]
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#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes)
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/* Magic helper macro to pad structures. Ignore those above. It's magic. */
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#define PAD_BYTES(nr_bytes) P4D_BYTES(__LINE__ , (nr_bytes))
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/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
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static inline
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u8 b43legacy_freq_to_channel_bg(int freq)
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{
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u8 channel;
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if (freq == 2484)
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channel = 14;
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else
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channel = (freq - 2407) / 5;
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return channel;
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}
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static inline
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u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev,
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int freq)
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{
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return b43legacy_freq_to_channel_bg(freq);
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}
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/* Lightweight function to convert a channel number to a frequency (in Mhz). */
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static inline
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int b43legacy_channel_to_freq_bg(u8 channel)
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{
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int freq;
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if (channel == 14)
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freq = 2484;
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else
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freq = 2407 + (5 * channel);
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return freq;
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}
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static inline
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int b43legacy_channel_to_freq(struct b43legacy_wldev *dev,
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u8 channel)
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{
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return b43legacy_channel_to_freq_bg(channel);
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}
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static inline
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int b43legacy_is_cck_rate(int rate)
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{
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return (rate == B43legacy_CCK_RATE_1MB ||
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rate == B43legacy_CCK_RATE_2MB ||
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rate == B43legacy_CCK_RATE_5MB ||
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rate == B43legacy_CCK_RATE_11MB);
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}
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static inline
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int b43legacy_is_ofdm_rate(int rate)
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{
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return !b43legacy_is_cck_rate(rate);
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}
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void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf);
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void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf);
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u32 b43legacy_shm_read32(struct b43legacy_wldev *dev,
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u16 routing, u16 offset);
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u16 b43legacy_shm_read16(struct b43legacy_wldev *dev,
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u16 routing, u16 offset);
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void b43legacy_shm_write32(struct b43legacy_wldev *dev,
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u16 routing, u16 offset,
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u32 value);
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void b43legacy_shm_write16(struct b43legacy_wldev *dev,
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u16 routing, u16 offset,
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u16 value);
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u32 b43legacy_hf_read(struct b43legacy_wldev *dev);
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void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value);
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void b43legacy_dummy_transmission(struct b43legacy_wldev *dev);
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void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags);
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void b43legacy_mac_suspend(struct b43legacy_wldev *dev);
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void b43legacy_mac_enable(struct b43legacy_wldev *dev);
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void b43legacy_controller_restart(struct b43legacy_wldev *dev,
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const char *reason);
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#endif /* B43legacy_MAIN_H_ */
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