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. */ 45 static inline 46 u8 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 } 57 static inline 58 u8 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). */ 65 static inline 66 int 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 78 static inline 79 int b43legacy_channel_to_freq(struct b43legacy_wldev *dev, 80 u8 channel) 81 { 82 return b43legacy_channel_to_freq_bg(channel); 83 } 84 85 static inline 86 int 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 94 static inline 95 int b43legacy_is_ofdm_rate(int rate) 96 { 97 return !b43legacy_is_cck_rate(rate); 98 } 99 100 void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf); 101 void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf); 102 103 u32 b43legacy_shm_read32(struct b43legacy_wldev *dev, 104 u16 routing, u16 offset); 105 u16 b43legacy_shm_read16(struct b43legacy_wldev *dev, 106 u16 routing, u16 offset); 107 void b43legacy_shm_write32(struct b43legacy_wldev *dev, 108 u16 routing, u16 offset, 109 u32 value); 110 void b43legacy_shm_write16(struct b43legacy_wldev *dev, 111 u16 routing, u16 offset, 112 u16 value); 113 114 u32 b43legacy_hf_read(struct b43legacy_wldev *dev); 115 void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value); 116 117 void b43legacy_dummy_transmission(struct b43legacy_wldev *dev); 118 119 void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags); 120 121 void b43legacy_mac_suspend(struct b43legacy_wldev *dev); 122 void b43legacy_mac_enable(struct b43legacy_wldev *dev); 123 124 void b43legacy_controller_restart(struct b43legacy_wldev *dev, 125 const char *reason); 126 127 #endif /* B43legacy_MAIN_H_ */ 128