drivers/net/wireless/bcm43xx/bcm43xx_main.h

   1 /*
   2
   3   Broadcom BCM43xx wireless driver
   4
   5   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
   6                      Stefano Brivio <st3@riseup.net>
   7                      Michael Buesch <mbuesch@freenet.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 BCM43xx_MAIN_H_
  32 #define BCM43xx_MAIN_H_
  33
  34 #include "bcm43xx.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 /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
  43 static inline
  44 u8 bcm43xx_freq_to_channel_a(int freq)
  45 {
  46         return ((freq - 5000) / 5);
  47 }
  48 static inline
  49 u8 bcm43xx_freq_to_channel_bg(int freq)
  50 {
  51         u8 channel;
  52
  53         if (freq == 2484)
  54                 channel = 14;
  55         else
  56                 channel = (freq - 2407) / 5;
  57
  58         return channel;
  59 }
  60 static inline
  61 u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm,
  62                            int freq)
  63 {
  64         if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
  65                 return bcm43xx_freq_to_channel_a(freq);
  66         return bcm43xx_freq_to_channel_bg(freq);
  67 }
  68
  69 /* Lightweight function to convert a channel number to a frequency (in Mhz). */
  70 static inline
  71 int bcm43xx_channel_to_freq_a(u8 channel)
  72 {
  73         return (5000 + (5 * channel));
  74 }
  75 static inline
  76 int bcm43xx_channel_to_freq_bg(u8 channel)
  77 {
  78         int freq;
  79
  80         if (channel == 14)
  81                 freq = 2484;
  82         else
  83                 freq = 2407 + (5 * channel);
  84
  85         return freq;
  86 }
  87 static inline
  88 int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm,
  89                             u8 channel)
  90 {
  91         if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
  92                 return bcm43xx_channel_to_freq_a(channel);
  93         return bcm43xx_channel_to_freq_bg(channel);
  94 }
  95
  96 void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf);
  97 void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf);
  98
  99 void bcm43xx_set_iwmode(struct bcm43xx_private *bcm,
 100                         int iw_mode);
 101
 102 u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm,
 103                        u16 routing, u16 offset);
 104 u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm,
 105                        u16 routing, u16 offset);
 106 void bcm43xx_shm_write32(struct bcm43xx_private *bcm,
 107                          u16 routing, u16 offset,
 108                          u32 value);
 109 void bcm43xx_shm_write16(struct bcm43xx_private *bcm,
 110                          u16 routing, u16 offset,
 111                          u16 value);
 112
 113 void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm);
 114
 115 int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core);
 116
 117 int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm,
 118                                  int phytype);
 119
 120 void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy);
 121
 122 void bcm43xx_mac_suspend(struct bcm43xx_private *bcm);
 123 void bcm43xx_mac_enable(struct bcm43xx_private *bcm);
 124
 125 void bcm43xx_periodic_tasks_delete(struct bcm43xx_private *bcm);
 126 void bcm43xx_periodic_tasks_setup(struct bcm43xx_private *bcm);
 127
 128 void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason);
 129
 130 int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom);
 131 int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom);
 132
 133 #endif /* BCM43xx_MAIN_H_ */