drivers/staging/vt6656/baseband.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *
  20  * File: baseband.h
  21  *
  22  * Purpose: Implement functions to access baseband
  23  *
  24  * Author: Jerry Chen
  25  *
  26  * Date: Jun. 5, 2002
  27  *
  28  * Revision History:
  29  *      06-10-2003 Bryan YC Fan:  Re-write codes to support VT3253 spec.
  30  *      08-26-2003 Kyle Hsu    :  Add defines of packet type and TX rate.
  31  */
  32
  33 #ifndef __BASEBAND_H__
  34 #define __BASEBAND_H__
  35
  36 #include "tether.h"
  37 #include "device.h"
  38
  39 #define PREAMBLE_LONG   0
  40 #define PREAMBLE_SHORT  1
  41
  42 /*
  43  * Registers in the BASEBAND
  44  */
  45 #define BB_MAX_CONTEXT_SIZE 256
  46
  47 #define C_SIFS_A      16      /* usec */
  48 #define C_SIFS_BG     10
  49
  50 #define C_EIFS      80      /* usec */
  51
  52 #define C_SLOT_SHORT   9      /* usec */
  53 #define C_SLOT_LONG   20
  54
  55 #define C_CWMIN_A     15       /* slot time */
  56 #define C_CWMIN_B     31
  57
  58 #define C_CWMAX      1023     /* slot time */
  59
  60 /* 0:11A 1:11B 2:11G */
  61 #define BB_TYPE_11A    0
  62 #define BB_TYPE_11B    1
  63 #define BB_TYPE_11G    2
  64
  65 /* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
  66 #define PK_TYPE_11A     0
  67 #define PK_TYPE_11B     1
  68 #define PK_TYPE_11GB    2
  69 #define PK_TYPE_11GA    3
  70
  71 #define TOP_RATE_54M        0x80000000
  72 #define TOP_RATE_48M        0x40000000
  73 #define TOP_RATE_36M        0x20000000
  74 #define TOP_RATE_24M        0x10000000
  75 #define TOP_RATE_18M        0x08000000
  76 #define TOP_RATE_12M        0x04000000
  77 #define TOP_RATE_11M        0x02000000
  78 #define TOP_RATE_9M         0x01000000
  79 #define TOP_RATE_6M         0x00800000
  80 #define TOP_RATE_55M        0x00400000
  81 #define TOP_RATE_2M         0x00200000
  82 #define TOP_RATE_1M         0x00100000
  83
  84 /* Length, Service, and Signal fields of Phy for Tx */
  85 struct vnt_phy_field {
  86         u8 signal;
  87         u8 service;
  88         __le16 len;
  89 } __packed;
  90
  91 unsigned int
  92 BBuGetFrameTime(
  93      u8 byPreambleType,
  94      u8 byFreqType,
  95      unsigned int cbFrameLength,
  96      u16 wRate
  97     );
  98
  99 void BBvCalculateParameter(struct vnt_private *, u32 cbFrameLength,
 100         u16 wRate, u8 byPacketType, struct vnt_phy_field *);
 101
 102 /* timer for antenna diversity */
 103
 104 void TimerSQ3CallBack(struct vnt_private *);
 105 void TimerSQ3Tmax3CallBack(struct vnt_private *);
 106
 107 void BBvAntennaDiversity(struct vnt_private *, u8 byRxRate, u8 bySQ3);
 108
 109 void BBvSetShortSlotTime(struct vnt_private *);
 110 void BBvSetVGAGainOffset(struct vnt_private *, u8 byData);
 111 void BBvSetAntennaMode(struct vnt_private *, u8 byAntennaMode);
 112 int BBbVT3184Init(struct vnt_private *);
 113 void BBvSetDeepSleep(struct vnt_private *);
 114 void BBvExitDeepSleep(struct vnt_private *);
 115 void BBvUpdatePreEDThreshold(struct vnt_private *, int bScanning);
 116
 117 #endif /* __BASEBAND_H__ */