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  *
  16  * File: baseband.h
  17  *
  18  * Purpose: Implement functions to access baseband
  19  *
  20  * Author: Jerry Chen
  21  *
  22  * Date: Jun. 5, 2002
  23  *
  24  * Revision History:
  25  *      06-10-2003 Bryan YC Fan:  Re-write codes to support VT3253 spec.
  26  *      08-26-2003 Kyle Hsu    :  Add defines of packet type and TX rate.
  27  */
  28
  29 #ifndef __BASEBAND_H__
  30 #define __BASEBAND_H__
  31
  32 #include "device.h"
  33
  34 #define PREAMBLE_LONG   0
  35 #define PREAMBLE_SHORT  1
  36
  37 /*
  38  * Registers in the BASEBAND
  39  */
  40 #define BB_MAX_CONTEXT_SIZE 256
  41
  42 #define C_SIFS_A      16      /* usec */
  43 #define C_SIFS_BG     10
  44
  45 #define C_EIFS      80      /* usec */
  46
  47 #define C_SLOT_SHORT   9      /* usec */
  48 #define C_SLOT_LONG   20
  49
  50 #define C_CWMIN_A     15       /* slot time */
  51 #define C_CWMIN_B     31
  52
  53 #define C_CWMAX      1023     /* slot time */
  54
  55 /* 0:11A 1:11B 2:11G */
  56 #define BB_TYPE_11A    0
  57 #define BB_TYPE_11B    1
  58 #define BB_TYPE_11G    2
  59
  60 /* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
  61 #define PK_TYPE_11A     0
  62 #define PK_TYPE_11B     1
  63 #define PK_TYPE_11GB    2
  64 #define PK_TYPE_11GA    3
  65
  66 #define TOP_RATE_54M        0x80000000
  67 #define TOP_RATE_48M        0x40000000
  68 #define TOP_RATE_36M        0x20000000
  69 #define TOP_RATE_24M        0x10000000
  70 #define TOP_RATE_18M        0x08000000
  71 #define TOP_RATE_12M        0x04000000
  72 #define TOP_RATE_11M        0x02000000
  73 #define TOP_RATE_9M         0x01000000
  74 #define TOP_RATE_6M         0x00800000
  75 #define TOP_RATE_55M        0x00400000
  76 #define TOP_RATE_2M         0x00200000
  77 #define TOP_RATE_1M         0x00100000
  78
  79 /* Length, Service, and Signal fields of Phy for Tx */
  80 struct vnt_phy_field {
  81         u8 signal;
  82         u8 service;
  83         __le16 len;
  84 } __packed;
  85
  86 unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type,
  87                                 unsigned int frame_length, u16 tx_rate);
  88
  89 void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
  90                        u16 tx_rate, u8 pkt_type, struct vnt_phy_field *phy);
  91
  92 void vnt_set_short_slot_time(struct vnt_private *priv);
  93 void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data);
  94 void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode);
  95 int vnt_vt3184_init(struct vnt_private *priv);
  96 void vnt_set_deep_sleep(struct vnt_private *priv);
  97 void vnt_exit_deep_sleep(struct vnt_private *priv);
  98 void vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning);
  99
 100 #endif /* __BASEBAND_H__ */