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 <m@bues.ch>
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_verbose;
43 
44 /* Logmessage verbosity levels. Update the b43_modparam_verbose helptext, if
45  * you add or remove levels. */
46 enum b43_verbosity {
47 	B43_VERBOSITY_ERROR,
48 	B43_VERBOSITY_WARN,
49 	B43_VERBOSITY_INFO,
50 	B43_VERBOSITY_DEBUG,
51 	__B43_VERBOSITY_AFTERLAST, /* keep last */
52 
53 	B43_VERBOSITY_MAX = __B43_VERBOSITY_AFTERLAST - 1,
54 #if B43_DEBUG
55 	B43_VERBOSITY_DEFAULT = B43_VERBOSITY_DEBUG,
56 #else
57 	B43_VERBOSITY_DEFAULT = B43_VERBOSITY_INFO,
58 #endif
59 };
60 
61 
62 /* Lightweight function to convert a frequency (in Mhz) to a channel number. */
b43_freq_to_channel_5ghz(int freq)63 static inline u8 b43_freq_to_channel_5ghz(int freq)
64 {
65 	return ((freq - 5000) / 5);
66 }
b43_freq_to_channel_2ghz(int freq)67 static inline u8 b43_freq_to_channel_2ghz(int freq)
68 {
69 	u8 channel;
70 
71 	if (freq == 2484)
72 		channel = 14;
73 	else
74 		channel = (freq - 2407) / 5;
75 
76 	return channel;
77 }
78 
79 /* Lightweight function to convert a channel number to a frequency (in Mhz). */
b43_channel_to_freq_5ghz(u8 channel)80 static inline int b43_channel_to_freq_5ghz(u8 channel)
81 {
82 	return (5000 + (5 * channel));
83 }
b43_channel_to_freq_2ghz(u8 channel)84 static inline int b43_channel_to_freq_2ghz(u8 channel)
85 {
86 	int freq;
87 
88 	if (channel == 14)
89 		freq = 2484;
90 	else
91 		freq = 2407 + (5 * channel);
92 
93 	return freq;
94 }
95 
b43_is_cck_rate(int rate)96 static inline int b43_is_cck_rate(int rate)
97 {
98 	return (rate == B43_CCK_RATE_1MB ||
99 		rate == B43_CCK_RATE_2MB ||
100 		rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB);
101 }
102 
b43_is_ofdm_rate(int rate)103 static inline int b43_is_ofdm_rate(int rate)
104 {
105 	return !b43_is_cck_rate(rate);
106 }
107 
108 u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
109 				  u8 antenna_nr);
110 
111 void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
112 void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
113 
114 u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
115 u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
116 void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
117 void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
118 
119 u64 b43_hf_read(struct b43_wldev *dev);
120 void b43_hf_write(struct b43_wldev *dev, u64 value);
121 
122 void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on);
123 
124 void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode);
125 
126 void b43_controller_restart(struct b43_wldev *dev, const char *reason);
127 
128 #define B43_PS_ENABLED	(1 << 0)	/* Force enable hardware power saving */
129 #define B43_PS_DISABLED	(1 << 1)	/* Force disable hardware power saving */
130 #define B43_PS_AWAKE	(1 << 2)	/* Force device awake */
131 #define B43_PS_ASLEEP	(1 << 3)	/* Force device asleep */
132 void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
133 
134 void b43_mac_suspend(struct b43_wldev *dev);
135 void b43_mac_enable(struct b43_wldev *dev);
136 void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on);
137 
138 
139 struct b43_request_fw_context;
140 int b43_do_request_fw(struct b43_request_fw_context *ctx, const char *name,
141 		      struct b43_firmware_file *fw, bool async);
142 void b43_do_release_fw(struct b43_firmware_file *fw);
143 
144 #endif /* B43_MAIN_H_ */
145