1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
4  * All rights reserved.
5  *
6  * File: baseband.h
7  *
8  * Purpose: Implement functions to access baseband
9  *
10  * Author: Jerry Chen
11  *
12  * Date: Jun. 5, 2002
13  *
14  * Revision History:
15  *      06-10-2003 Bryan YC Fan:  Re-write codes to support VT3253 spec.
16  *      08-26-2003 Kyle Hsu    :  Add defines of packet type and TX rate.
17  */
18 
19 #ifndef __BASEBAND_H__
20 #define __BASEBAND_H__
21 
22 #include "device.h"
23 
24 #define PREAMBLE_LONG   0
25 #define PREAMBLE_SHORT  1
26 
27 /*
28  * Registers in the BASEBAND
29  */
30 #define BB_MAX_CONTEXT_SIZE 256
31 
32 #define C_SIFS_A      16      /* usec */
33 #define C_SIFS_BG     10
34 
35 #define C_EIFS      80      /* usec */
36 
37 #define C_SLOT_SHORT   9      /* usec */
38 #define C_SLOT_LONG   20
39 
40 #define C_CWMIN_A     15       /* slot time */
41 #define C_CWMIN_B     31
42 
43 #define C_CWMAX      1023     /* slot time */
44 
45 /* 0:11A 1:11B 2:11G */
46 #define BB_TYPE_11A    0
47 #define BB_TYPE_11B    1
48 #define BB_TYPE_11G    2
49 
50 /* 0:11a, 1:11b, 2:11gb (only CCK in BasicRate), 3:11ga (OFDM in BasicRate) */
51 #define PK_TYPE_11A     0
52 #define PK_TYPE_11B     1
53 #define PK_TYPE_11GB    2
54 #define PK_TYPE_11GA    3
55 
56 #define TOP_RATE_54M        0x80000000
57 #define TOP_RATE_48M        0x40000000
58 #define TOP_RATE_36M        0x20000000
59 #define TOP_RATE_24M        0x10000000
60 #define TOP_RATE_18M        0x08000000
61 #define TOP_RATE_12M        0x04000000
62 #define TOP_RATE_11M        0x02000000
63 #define TOP_RATE_9M         0x01000000
64 #define TOP_RATE_6M         0x00800000
65 #define TOP_RATE_55M        0x00400000
66 #define TOP_RATE_2M         0x00200000
67 #define TOP_RATE_1M         0x00100000
68 
69 /* Length, Service, and Signal fields of Phy for Tx */
70 struct vnt_phy_field {
71 	u8 signal;
72 	u8 service;
73 	__le16 len;
74 } __packed;
75 
76 unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type,
77 				unsigned int frame_length, u16 tx_rate);
78 
79 void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length,
80 		       u16 tx_rate, u8 pkt_type, struct vnt_phy_field *phy);
81 
82 void vnt_set_short_slot_time(struct vnt_private *priv);
83 void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data);
84 void vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode);
85 int vnt_vt3184_init(struct vnt_private *priv);
86 void vnt_set_deep_sleep(struct vnt_private *priv);
87 void vnt_exit_deep_sleep(struct vnt_private *priv);
88 void vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning);
89 
90 #endif /* __BASEBAND_H__ */
91