1 /*
2
3 Broadcom B43 wireless driver
4
5 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
6 Stefano Brivio <stefano.brivio@polimi.it>
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
42 extern int b43_modparam_qos;
43
44
45 /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
b43_freq_to_channel_5ghz(int freq)46 static inline u8 b43_freq_to_channel_5ghz(int freq)
47 {
48 return ((freq - 5000) / 5);
49 }
b43_freq_to_channel_2ghz(int freq)50 static inline u8 b43_freq_to_channel_2ghz(int freq)
51 {
52 u8 channel;
53
54 if (freq == 2484)
55 channel = 14;
56 else
57 channel = (freq - 2407) / 5;
58
59 return channel;
60 }
61
62 /* Lightweight function to convert a channel number to a frequency (in Mhz). */
b43_channel_to_freq_5ghz(u8 channel)63 static inline int b43_channel_to_freq_5ghz(u8 channel)
64 {
65 return (5000 + (5 * channel));
66 }
b43_channel_to_freq_2ghz(u8 channel)67 static inline int b43_channel_to_freq_2ghz(u8 channel)
68 {
69 int freq;
70
71 if (channel == 14)
72 freq = 2484;
73 else
74 freq = 2407 + (5 * channel);
75
76 return freq;
77 }
78
b43_is_cck_rate(int rate)79 static inline int b43_is_cck_rate(int rate)
80 {
81 return (rate == B43_CCK_RATE_1MB ||
82 rate == B43_CCK_RATE_2MB ||
83 rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB);
84 }
85
b43_is_ofdm_rate(int rate)86 static inline int b43_is_ofdm_rate(int rate)
87 {
88 return !b43_is_cck_rate(rate);
89 }
90
91 u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
92 u8 antenna_nr);
93
94 void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
95 void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
96
97 u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
98 u32 __b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
99 u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
100 u16 __b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
101 void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
102 void __b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
103 void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
104 void __b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
105
106 u64 b43_hf_read(struct b43_wldev *dev);
107 void b43_hf_write(struct b43_wldev *dev, u64 value);
108
109 void b43_dummy_transmission(struct b43_wldev *dev);
110
111 void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags);
112
113 void b43_controller_restart(struct b43_wldev *dev, const char *reason);
114
115 #define B43_PS_ENABLED (1 << 0) /* Force enable hardware power saving */
116 #define B43_PS_DISABLED (1 << 1) /* Force disable hardware power saving */
117 #define B43_PS_AWAKE (1 << 2) /* Force device awake */
118 #define B43_PS_ASLEEP (1 << 3) /* Force device asleep */
119 void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
120
121 void b43_mac_suspend(struct b43_wldev *dev);
122 void b43_mac_enable(struct b43_wldev *dev);
123
124 #endif /* B43_MAIN_H_ */
125