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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 4 Broadcom B43legacy wireless driver5 6 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,7 Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>8 Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch>9 Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>10 Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>11 Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net>12 13 Some parts of the code in this file are derived from the ipw220014 driver Copyright(c) 2003 - 2004 Intel Corporation.15 16 17*/18 19#ifndef B43legacy_MAIN_H_20#define B43legacy_MAIN_H_21 22#include "b43legacy.h"23 24 25#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes]26#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes)27/* Magic helper macro to pad structures. Ignore those above. It's magic. */28#define PAD_BYTES(nr_bytes) P4D_BYTES(__LINE__ , (nr_bytes))29 30 31/* Lightweight function to convert a frequency (in Mhz) to a channel number. */32static inline33u8 b43legacy_freq_to_channel_bg(int freq)34{35 u8 channel;36 37 if (freq == 2484)38 channel = 14;39 else40 channel = (freq - 2407) / 5;41 42 return channel;43}44static inline45u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev,46 int freq)47{48 return b43legacy_freq_to_channel_bg(freq);49}50 51/* Lightweight function to convert a channel number to a frequency (in Mhz). */52static inline53int b43legacy_channel_to_freq_bg(u8 channel)54{55 int freq;56 57 if (channel == 14)58 freq = 2484;59 else60 freq = 2407 + (5 * channel);61 62 return freq;63}64 65static inline66int b43legacy_channel_to_freq(struct b43legacy_wldev *dev,67 u8 channel)68{69 return b43legacy_channel_to_freq_bg(channel);70}71 72static inline73int b43legacy_is_cck_rate(int rate)74{75 return (rate == B43legacy_CCK_RATE_1MB ||76 rate == B43legacy_CCK_RATE_2MB ||77 rate == B43legacy_CCK_RATE_5MB ||78 rate == B43legacy_CCK_RATE_11MB);79}80 81static inline82int b43legacy_is_ofdm_rate(int rate)83{84 return !b43legacy_is_cck_rate(rate);85}86 87void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf);88void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf);89 90u32 b43legacy_shm_read32(struct b43legacy_wldev *dev,91 u16 routing, u16 offset);92u16 b43legacy_shm_read16(struct b43legacy_wldev *dev,93 u16 routing, u16 offset);94void b43legacy_shm_write32(struct b43legacy_wldev *dev,95 u16 routing, u16 offset,96 u32 value);97void b43legacy_shm_write16(struct b43legacy_wldev *dev,98 u16 routing, u16 offset,99 u16 value);100 101u32 b43legacy_hf_read(struct b43legacy_wldev *dev);102void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value);103 104void b43legacy_dummy_transmission(struct b43legacy_wldev *dev);105 106void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags);107 108void b43legacy_mac_suspend(struct b43legacy_wldev *dev);109void b43legacy_mac_enable(struct b43legacy_wldev *dev);110 111void b43legacy_controller_restart(struct b43legacy_wldev *dev,112 const char *reason);113 114#endif /* B43legacy_MAIN_H_ */115