tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
85struct vnt_phy_field {
86 u8 signal;
87 u8 service;
88 __le16 len;
89} __packed;
90
91unsigned int
92BBuGetFrameTime(
93 u8 byPreambleType,
94 u8 byFreqType,
95 unsigned int cbFrameLength,
96 u16 wRate
97 );
98
99void BBvCalculateParameter(struct vnt_private *, u32 cbFrameLength,
100 u16 wRate, u8 byPacketType, struct vnt_phy_field *);
101
102/* timer for antenna diversity */
103
104void TimerSQ3CallBack(struct vnt_private *);
105void TimerSQ3Tmax3CallBack(struct vnt_private *);
106
107void BBvAntennaDiversity(struct vnt_private *, u8 byRxRate, u8 bySQ3);
108
109void BBvSetShortSlotTime(struct vnt_private *);
110void BBvSetVGAGainOffset(struct vnt_private *, u8 byData);
111void BBvSetAntennaMode(struct vnt_private *, u8 byAntennaMode);
112int BBbVT3184Init(struct vnt_private *);
113void BBvSetDeepSleep(struct vnt_private *);
114void BBvExitDeepSleep(struct vnt_private *);
115void BBvUpdatePreEDThreshold(struct vnt_private *, int bScanning);
116
117#endif /* __BASEBAND_H__ */