Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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_ */
116 
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