LXR linux/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 */
  80struct vnt_phy_field {
  81        u8 signal;
  82        u8 service;
  83        __le16 len;
  84} __packed;
  85
  86unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type,
  87        unsigned int frame_length, u16 tx_rate);
  88
  89void vnt_get_phy_field(struct vnt_private *, u32 frame_length,
  90        u16 tx_rate, u8 pkt_type, struct vnt_phy_field *);
  91
  92void vnt_set_short_slot_time(struct vnt_private *);
  93void vnt_set_vga_gain_offset(struct vnt_private *, u8);
  94void vnt_set_antenna_mode(struct vnt_private *, u8);
  95int vnt_vt3184_init(struct vnt_private *);
  96void vnt_set_deep_sleep(struct vnt_private *);
  97void vnt_exit_deep_sleep(struct vnt_private *);
  98void vnt_update_pre_ed_threshold(struct vnt_private *, int scanning);
  99
 100#endif /* __BASEBAND_H__ */
 101