main.h (2992B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 4 Broadcom B43legacy wireless driver 5 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 ipw2200 14 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 inline 33u8 b43legacy_freq_to_channel_bg(int freq) 34{ 35 u8 channel; 36 37 if (freq == 2484) 38 channel = 14; 39 else 40 channel = (freq - 2407) / 5; 41 42 return channel; 43} 44static inline 45u8 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 inline 53int b43legacy_channel_to_freq_bg(u8 channel) 54{ 55 int freq; 56 57 if (channel == 14) 58 freq = 2484; 59 else 60 freq = 2407 + (5 * channel); 61 62 return freq; 63} 64 65static inline 66int b43legacy_channel_to_freq(struct b43legacy_wldev *dev, 67 u8 channel) 68{ 69 return b43legacy_channel_to_freq_bg(channel); 70} 71 72static inline 73int 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 inline 82int 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_ */