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 BBuGetFrameTime(u8 preamble_type, u8 pkt_type, 92 unsigned int frame_length, u16 tx_rate); 93 94 void BBvCalculateParameter(struct vnt_private *, u32 frame_length, 95 u16 tx_rate, u8 pkt_type, struct vnt_phy_field *); 96 97 /* timer for antenna diversity */ 98 99 void TimerSQ3CallBack(struct vnt_private *); 100 void TimerSQ3Tmax3CallBack(struct vnt_private *); 101 102 void BBvAntennaDiversity(struct vnt_private *, u8 byRxRate, u8 bySQ3); 103 104 void BBvSetShortSlotTime(struct vnt_private *); 105 void BBvSetVGAGainOffset(struct vnt_private *, u8 byData); 106 void BBvSetAntennaMode(struct vnt_private *, u8 byAntennaMode); 107 int BBbVT3184Init(struct vnt_private *); 108 void BBvSetDeepSleep(struct vnt_private *); 109 void BBvExitDeepSleep(struct vnt_private *); 110 void BBvUpdatePreEDThreshold(struct vnt_private *, int bScanning); 111 112 #endif /* __BASEBAND_H__ */ 113