LXR linux/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 <m@bues.ch>
   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
  42extern int b43_modparam_verbose;
  43
  44/* Logmessage verbosity levels. Update the b43_modparam_verbose helptext, if
  45 * you add or remove levels. */
  46enum 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. */
  63static inline u8 b43_freq_to_channel_5ghz(int freq)
  64{
  65        return ((freq - 5000) / 5);
  66}
  67static 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). */
  80static inline int b43_channel_to_freq_5ghz(u8 channel)
  81{
  82        return (5000 + (5 * channel));
  83}
  84static 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
  96static 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
 103static inline int b43_is_ofdm_rate(int rate)
 104{
 105        return !b43_is_cck_rate(rate);
 106}
 107
 108u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
 109                                  u8 antenna_nr);
 110
 111void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
 112void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
 113
 114u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
 115u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
 116void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
 117void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
 118
 119u64 b43_hf_read(struct b43_wldev *dev);
 120void b43_hf_write(struct b43_wldev *dev, u64 value);
 121
 122void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on);
 123
 124void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode);
 125
 126void 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 */
 132void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
 133
 134void b43_mac_suspend(struct b43_wldev *dev);
 135void b43_mac_enable(struct b43_wldev *dev);
 136void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on);
 137
 138
 139struct b43_request_fw_context;
 140int b43_do_request_fw(struct b43_request_fw_context *ctx, const char *name,
 141                      struct b43_firmware_file *fw, bool async);
 142void b43_do_release_fw(struct b43_firmware_file *fw);
 143
 144#endif /* B43_MAIN_H_ */
 145