add b43 fixes from #2677
[openwrt.git] / package / b43 / src / main.h
1 /*
2
3 Broadcom B43 wireless driver
4
5 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
6 Stefano Brivio <st3@riseup.net>
7 Michael Buesch <mb@bu3sch.de>
8 Danny van Dyk <kugelfang@gentoo.org>
9 Andreas Jaggi <andreas.jaggi@waterwave.ch>
10
11 Some parts of the code in this file are derived from the ipw2200
12 driver Copyright(c) 2003 - 2004 Intel Corporation.
13
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
18
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
23
24 You should have received a copy of the GNU General Public License
25 along with this program; see the file COPYING. If not, write to
26 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
27 Boston, MA 02110-1301, USA.
28
29 */
30
31 #ifndef B43_MAIN_H_
32 #define B43_MAIN_H_
33
34 #include "b43.h"
35
36 #define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes]
37 #define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes)
38 /* Magic helper macro to pad structures. Ignore those above. It's magic. */
39 #define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes))
40
41 /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
42 static inline u8 b43_freq_to_channel_a(int freq)
43 {
44 return ((freq - 5000) / 5);
45 }
46 static inline u8 b43_freq_to_channel_bg(int freq)
47 {
48 u8 channel;
49
50 if (freq == 2484)
51 channel = 14;
52 else
53 channel = (freq - 2407) / 5;
54
55 return channel;
56 }
57 static inline u8 b43_freq_to_channel(struct b43_wldev *dev, int freq)
58 {
59 if (dev->phy.type == B43_PHYTYPE_A)
60 return b43_freq_to_channel_a(freq);
61 return b43_freq_to_channel_bg(freq);
62 }
63
64 /* Lightweight function to convert a channel number to a frequency (in Mhz). */
65 static inline int b43_channel_to_freq_a(u8 channel)
66 {
67 return (5000 + (5 * channel));
68 }
69 static inline int b43_channel_to_freq_bg(u8 channel)
70 {
71 int freq;
72
73 if (channel == 14)
74 freq = 2484;
75 else
76 freq = 2407 + (5 * channel);
77
78 return freq;
79 }
80 static inline int b43_channel_to_freq(struct b43_wldev *dev, u8 channel)
81 {
82 if (dev->phy.type == B43_PHYTYPE_A)
83 return b43_channel_to_freq_a(channel);
84 return b43_channel_to_freq_bg(channel);
85 }
86
87 static inline int b43_is_cck_rate(int rate)
88 {
89 return (rate == B43_CCK_RATE_1MB ||
90 rate == B43_CCK_RATE_2MB ||
91 rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB);
92 }
93
94 static inline int b43_is_ofdm_rate(int rate)
95 {
96 return !b43_is_cck_rate(rate);
97 }
98
99 void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
100 void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
101
102 u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
103 u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
104 void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
105 void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
106
107 u32 b43_hf_read(struct b43_wldev *dev);
108 void b43_hf_write(struct b43_wldev *dev, u32 value);
109
110 void b43_dummy_transmission(struct b43_wldev *dev);
111
112 void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags);
113
114 void b43_mac_suspend(struct b43_wldev *dev);
115 void b43_mac_enable(struct b43_wldev *dev);
116
117 void b43_controller_restart(struct b43_wldev *dev, const char *reason);
118
119 #define B43_PS_ENABLED (1 << 0) /* Force enable hardware power saving */
120 #define B43_PS_DISABLED (1 << 1) /* Force disable hardware power saving */
121 #define B43_PS_AWAKE (1 << 2) /* Force device awake */
122 #define B43_PS_ASLEEP (1 << 3) /* Force device asleep */
123 void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
124
125 #endif /* B43_MAIN_H_ */
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