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 "device.h"
37
38#define PREAMBLE_LONG   0
39#define PREAMBLE_SHORT  1
40
41/*
42 * Registers in the BASEBAND
43 */
44#define BB_MAX_CONTEXT_SIZE 256
45
46#define C_SIFS_A      16      /* usec */
47#define C_SIFS_BG     10
48
49#define C_EIFS      80      /* usec */
50
51#define C_SLOT_SHORT   9      /* usec */
52#define C_SLOT_LONG   20
53
54#define C_CWMIN_A     15       /* slot time */
55#define C_CWMIN_B     31
56
57#define C_CWMAX      1023     /* slot time */
58
59/* 0:11A 1:11B 2:11G */
60#define BB_TYPE_11A    0
61#define BB_TYPE_11B    1
62#define BB_TYPE_11G    2
63
64/* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
65#define PK_TYPE_11A     0
66#define PK_TYPE_11B     1
67#define PK_TYPE_11GB    2
68#define PK_TYPE_11GA    3
69
70#define TOP_RATE_54M        0x80000000
71#define TOP_RATE_48M        0x40000000
72#define TOP_RATE_36M        0x20000000
73#define TOP_RATE_24M        0x10000000
74#define TOP_RATE_18M        0x08000000
75#define TOP_RATE_12M        0x04000000
76#define TOP_RATE_11M        0x02000000
77#define TOP_RATE_9M         0x01000000
78#define TOP_RATE_6M         0x00800000
79#define TOP_RATE_55M        0x00400000
80#define TOP_RATE_2M         0x00200000
81#define TOP_RATE_1M         0x00100000
82
83/* Length, Service, and Signal fields of Phy for Tx */
84struct vnt_phy_field {
85	u8 signal;
86	u8 service;
87	__le16 len;
88} __packed;
89
90unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type,
91	unsigned int frame_length, u16 tx_rate);
92
93void vnt_get_phy_field(struct vnt_private *, u32 frame_length,
94	u16 tx_rate, u8 pkt_type, struct vnt_phy_field *);
95
96void vnt_set_short_slot_time(struct vnt_private *);
97void vnt_set_vga_gain_offset(struct vnt_private *, u8);
98void vnt_set_antenna_mode(struct vnt_private *, u8);
99int vnt_vt3184_init(struct vnt_private *);
100void vnt_set_deep_sleep(struct vnt_private *);
101void vnt_exit_deep_sleep(struct vnt_private *);
102void vnt_update_pre_ed_threshold(struct vnt_private *, int scanning);
103
104#endif /* __BASEBAND_H__ */
105