drivers/net/wireless/b43/main.h

   1 /*
   2
   3   Broadcom B43 wireless driver
   4
   5   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
   6                      Stefano Brivio <stefano.brivio@polimi.it>
   7                      Michael Buesch <mb@bu3sch.de>
   8                      Danny van Dyk <kugelfang@gentoo.org>
   9                      Andreas Jaggi <andreas.jaggi@waterwave.ch>
  10
  11   Some parts of the code in this file are derived from the ipw2200
  12   driver  Copyright(c) 2003 - 2004 Intel Corporation.
  13
  14   This program is free software; you can redistribute it and/or modify
  15   it under the terms of the GNU General Public License as published by
  16   the Free Software Foundation; either version 2 of the License, or
  17   (at your option) any later version.
  18
  19   This program is distributed in the hope that it will be useful,
  20   but WITHOUT ANY WARRANTY; without even the implied warranty of
  21   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22   GNU General Public License for more details.
  23
  24   You should have received a copy of the GNU General Public License
  25   along with this program; see the file COPYING.  If not, write to
  26   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  27   Boston, MA 02110-1301, USA.
  28
  29 */
  30
  31 #ifndef B43_MAIN_H_
  32 #define B43_MAIN_H_
  33
  34 #include "b43.h"
  35
  36 #define P4D_BYT3S(magic, nr_bytes)      u8 __p4dding##magic[nr_bytes]
  37 #define P4D_BYTES(line, nr_bytes)       P4D_BYT3S(line, nr_bytes)
  38 /* Magic helper macro to pad structures. Ignore those above. It's magic. */
  39 #define PAD_BYTES(nr_bytes)             P4D_BYTES( __LINE__ , (nr_bytes))
  40
  41
  42 extern int b43_modparam_verbose;
  43
  44 /* Logmessage verbosity levels. Update the b43_modparam_verbose helptext, if
  45  * you add or remove levels. */
  46 enum b43_verbosity {
  47         B43_VERBOSITY_ERROR,
  48         B43_VERBOSITY_WARN,
  49         B43_VERBOSITY_INFO,
  50         B43_VERBOSITY_DEBUG,
  51         __B43_VERBOSITY_AFTERLAST, /* keep last */
  52
  53         B43_VERBOSITY_MAX = __B43_VERBOSITY_AFTERLAST - 1,
  54 #if B43_DEBUG
  55         B43_VERBOSITY_DEFAULT = B43_VERBOSITY_DEBUG,
  56 #else
  57         B43_VERBOSITY_DEFAULT = B43_VERBOSITY_INFO,
  58 #endif
  59 };
  60
  61
  62 /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
  63 static inline u8 b43_freq_to_channel_5ghz(int freq)
  64 {
  65         return ((freq - 5000) / 5);
  66 }
  67 static inline u8 b43_freq_to_channel_2ghz(int freq)
  68 {
  69         u8 channel;
  70
  71         if (freq == 2484)
  72                 channel = 14;
  73         else
  74                 channel = (freq - 2407) / 5;
  75
  76         return channel;
  77 }
  78
  79 /* Lightweight function to convert a channel number to a frequency (in Mhz). */
  80 static inline int b43_channel_to_freq_5ghz(u8 channel)
  81 {
  82         return (5000 + (5 * channel));
  83 }
  84 static inline int b43_channel_to_freq_2ghz(u8 channel)
  85 {
  86         int freq;
  87
  88         if (channel == 14)
  89                 freq = 2484;
  90         else
  91                 freq = 2407 + (5 * channel);
  92
  93         return freq;
  94 }
  95
  96 static inline int b43_is_cck_rate(int rate)
  97 {
  98         return (rate == B43_CCK_RATE_1MB ||
  99                 rate == B43_CCK_RATE_2MB ||
 100                 rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB);
 101 }
 102
 103 static inline int b43_is_ofdm_rate(int rate)
 104 {
 105         return !b43_is_cck_rate(rate);
 106 }
 107
 108 u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
 109                                   u8 antenna_nr);
 110
 111 void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
 112 void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
 113
 114 u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
 115 u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
 116 void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
 117 void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
 118
 119 u64 b43_hf_read(struct b43_wldev *dev);
 120 void b43_hf_write(struct b43_wldev *dev, u64 value);
 121
 122 void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on);
 123
 124 void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags);
 125
 126 void b43_controller_restart(struct b43_wldev *dev, const char *reason);
 127
 128 #define B43_PS_ENABLED  (1 << 0)        /* Force enable hardware power saving */
 129 #define B43_PS_DISABLED (1 << 1)        /* Force disable hardware power saving */
 130 #define B43_PS_AWAKE    (1 << 2)        /* Force device awake */
 131 #define B43_PS_ASLEEP   (1 << 3)        /* Force device asleep */
 132 void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
 133
 134 void b43_mac_suspend(struct b43_wldev *dev);
 135 void b43_mac_enable(struct b43_wldev *dev);
 136
 137
 138 struct b43_request_fw_context;
 139 int b43_do_request_fw(struct b43_request_fw_context *ctx,
 140                       const char *name,
 141                       struct b43_firmware_file *fw);
 142 void b43_do_release_fw(struct b43_firmware_file *fw);
 143
 144 #endif /* B43_MAIN_H_ */