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