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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*
* File: baseband.h
*
* Purpose: Implement functions to access baseband
*
* Author: Jerry Chen
*
* Date: Jun. 5, 2002
*
* Revision History:
* 06-10-2003 Bryan YC Fan: Re-write codes to support VT3253 spec.
* 08-26-2003 Kyle Hsu : Add defines of packet type and TX rate.
*/
#ifndef __BASEBAND_H__
#define __BASEBAND_H__
#include "tether.h"
#include "device.h"
#define PREAMBLE_LONG 0
#define PREAMBLE_SHORT 1
/*
* Registers in the BASEBAND
*/
#define BB_MAX_CONTEXT_SIZE 256
#define C_SIFS_A 16 /* usec */
#define C_SIFS_BG 10
#define C_EIFS 80 /* usec */
#define C_SLOT_SHORT 9 /* usec */
#define C_SLOT_LONG 20
#define C_CWMIN_A 15 /* slot time */
#define C_CWMIN_B 31
#define C_CWMAX 1023 /* slot time */
/* 0:11A 1:11B 2:11G */
#define BB_TYPE_11A 0
#define BB_TYPE_11B 1
#define BB_TYPE_11G 2
/* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
#define PK_TYPE_11A 0
#define PK_TYPE_11B 1
#define PK_TYPE_11GB 2
#define PK_TYPE_11GA 3
#define TOP_RATE_54M 0x80000000
#define TOP_RATE_48M 0x40000000
#define TOP_RATE_36M 0x20000000
#define TOP_RATE_24M 0x10000000
#define TOP_RATE_18M 0x08000000
#define TOP_RATE_12M 0x04000000
#define TOP_RATE_11M 0x02000000
#define TOP_RATE_9M 0x01000000
#define TOP_RATE_6M 0x00800000
#define TOP_RATE_55M 0x00400000
#define TOP_RATE_2M 0x00200000
#define TOP_RATE_1M 0x00100000
/* Length, Service, and Signal fields of Phy for Tx */
struct vnt_phy_field {
u8 signal;
u8 service;
__le16 len;
} __packed;
unsigned int BBuGetFrameTime(u8 preamble_type, u8 pkt_type,
unsigned int frame_length, u16 tx_rate);
void BBvCalculateParameter(struct vnt_private *, u32 frame_length,
u16 tx_rate, u8 pkt_type, struct vnt_phy_field *);
void BBvSetShortSlotTime(struct vnt_private *);
void BBvSetVGAGainOffset(struct vnt_private *, u8 byData);
void BBvSetAntennaMode(struct vnt_private *, u8 byAntennaMode);
int BBbVT3184Init(struct vnt_private *);
void BBvSetDeepSleep(struct vnt_private *);
void BBvExitDeepSleep(struct vnt_private *);
void BBvUpdatePreEDThreshold(struct vnt_private *, int scanning);
#endif /* __BASEBAND_H__ */
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