drivers/net/wireless/bcm43xx/bcm43xx_radio.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_RADIO_H_
  32 #define BCM43xx_RADIO_H_
  33
  34 #include "bcm43xx.h"
  35
  36
  37 #define BCM43xx_RADIO_DEFAULT_CHANNEL_A         36
  38 #define BCM43xx_RADIO_DEFAULT_CHANNEL_BG        6
  39
  40 /* Force antenna 0. */
  41 #define BCM43xx_RADIO_TXANTENNA_0               0
  42 /* Force antenna 1. */
  43 #define BCM43xx_RADIO_TXANTENNA_1               1
  44 /* Use the RX antenna, that was selected for the most recently
  45  * received good PLCP header.
  46  */
  47 #define BCM43xx_RADIO_TXANTENNA_LASTPLCP        3
  48 #define BCM43xx_RADIO_TXANTENNA_DEFAULT         BCM43xx_RADIO_TXANTENNA_LASTPLCP
  49
  50 #define BCM43xx_RADIO_INTERFMODE_NONE           0
  51 #define BCM43xx_RADIO_INTERFMODE_NONWLAN        1
  52 #define BCM43xx_RADIO_INTERFMODE_MANUALWLAN     2
  53 #define BCM43xx_RADIO_INTERFMODE_AUTOWLAN       3
  54
  55
  56 void bcm43xx_radio_lock(struct bcm43xx_private *bcm);
  57 void bcm43xx_radio_unlock(struct bcm43xx_private *bcm);
  58
  59 u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset);
  60 void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val);
  61
  62 u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm);
  63 void bcm43xx_radio_init2060(struct bcm43xx_private *bcm);
  64
  65 void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm);
  66 void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm);
  67
  68 static inline
  69 int bcm43xx_is_hw_radio_enabled(struct bcm43xx_private *bcm)
  70 {
  71         /* function to return state of hardware enable of radio
  72          * returns 0 if radio disabled, 1 if radio enabled
  73          */
  74         if (bcm->current_core->rev >= 3)
  75                 return ((bcm43xx_read32(bcm, BCM43xx_MMIO_RADIO_HWENABLED_HI)
  76                                         & BCM43xx_MMIO_RADIO_HWENABLED_HI_MASK)
  77                                         == 0) ? 1 : 0;
  78         else
  79                 return ((bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_HWENABLED_LO)
  80                                         & BCM43xx_MMIO_RADIO_HWENABLED_LO_MASK)
  81                                         == 0) ? 0 : 1;
  82 }
  83
  84 int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm, u8 channel,
  85                                 int synthetic_pu_workaround);
  86
  87 void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower);
  88 void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm,
  89                                u16 baseband_attenuation, u16 attenuation,
  90                                u16 txpower);
  91
  92 u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm);
  93 u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm);
  94 u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm);
  95
  96 void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val);
  97
  98 void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm);
  99
 100 u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel);
 101 u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm);
 102
 103 int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm, int mode);
 104
 105 void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm);
 106 void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm);
 107 s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset);
 108 void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val);
 109 void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val);
 110 void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm);
 111
 112 void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm);
 113 u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm);
 114
 115 #endif /* BCM43xx_RADIO_H_ */