1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3
4  Broadcom B43legacy wireless driver
5
6  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
7  Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
8  Copyright (c) 2005, 2006 Michael Buesch <m@bues.ch>
9  Copyright (c) 2005  Danny van Dyk <kugelfang@gentoo.org>
10  Copyright (c) 2005  Andreas Jaggi <andreas.jaggi@waterwave.ch>
11  Copyright (c) 2007  Larry Finger <Larry.Finger@lwfinger.net>
12
13  Some parts of the code in this file are derived from the ipw2200
14  driver  Copyright(c) 2003 - 2004 Intel Corporation.
15
16
17*/
18
19#ifndef B43legacy_MAIN_H_
20#define B43legacy_MAIN_H_
21
22#include "b43legacy.h"
23
24
25#define P4D_BYT3S(magic, nr_bytes)	u8 __p4dding##magic[nr_bytes]
26#define P4D_BYTES(line, nr_bytes)	P4D_BYT3S(line, nr_bytes)
27/* Magic helper macro to pad structures. Ignore those above. It's magic. */
28#define PAD_BYTES(nr_bytes)		P4D_BYTES(__LINE__ , (nr_bytes))
29
30
31/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
32static inline
33u8 b43legacy_freq_to_channel_bg(int freq)
34{
35	u8 channel;
36
37	if (freq == 2484)
38		channel = 14;
39	else
40		channel = (freq - 2407) / 5;
41
42	return channel;
43}
44static inline
45u8 b43legacy_freq_to_channel(struct b43legacy_wldev *dev,
46			     int freq)
47{
48	return b43legacy_freq_to_channel_bg(freq);
49}
50
51/* Lightweight function to convert a channel number to a frequency (in Mhz). */
52static inline
53int b43legacy_channel_to_freq_bg(u8 channel)
54{
55	int freq;
56
57	if (channel == 14)
58		freq = 2484;
59	else
60		freq = 2407 + (5 * channel);
61
62	return freq;
63}
64
65static inline
66int b43legacy_channel_to_freq(struct b43legacy_wldev *dev,
67			      u8 channel)
68{
69	return b43legacy_channel_to_freq_bg(channel);
70}
71
72static inline
73int b43legacy_is_cck_rate(int rate)
74{
75	return (rate == B43legacy_CCK_RATE_1MB ||
76		rate == B43legacy_CCK_RATE_2MB ||
77		rate == B43legacy_CCK_RATE_5MB ||
78		rate == B43legacy_CCK_RATE_11MB);
79}
80
81static inline
82int b43legacy_is_ofdm_rate(int rate)
83{
84	return !b43legacy_is_cck_rate(rate);
85}
86
87void b43legacy_tsf_read(struct b43legacy_wldev *dev, u64 *tsf);
88void b43legacy_tsf_write(struct b43legacy_wldev *dev, u64 tsf);
89
90u32 b43legacy_shm_read32(struct b43legacy_wldev *dev,
91			 u16 routing, u16 offset);
92u16 b43legacy_shm_read16(struct b43legacy_wldev *dev,
93			 u16 routing, u16 offset);
94void b43legacy_shm_write32(struct b43legacy_wldev *dev,
95			 u16 routing, u16 offset,
96			 u32 value);
97void b43legacy_shm_write16(struct b43legacy_wldev *dev,
98			 u16 routing, u16 offset,
99			 u16 value);
100
101u32 b43legacy_hf_read(struct b43legacy_wldev *dev);
102void b43legacy_hf_write(struct b43legacy_wldev *dev, u32 value);
103
104void b43legacy_dummy_transmission(struct b43legacy_wldev *dev);
105
106void b43legacy_wireless_core_reset(struct b43legacy_wldev *dev, u32 flags);
107
108void b43legacy_mac_suspend(struct b43legacy_wldev *dev);
109void b43legacy_mac_enable(struct b43legacy_wldev *dev);
110
111void b43legacy_controller_restart(struct b43legacy_wldev *dev,
112				  const char *reason);
113
114#endif /* B43legacy_MAIN_H_ */
115