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
 42extern int b43_modparam_verbose;
 43
 44/* Logmessage verbosity levels. Update the b43_modparam_verbose helptext, if
 45 * you add or remove levels. */
 46enum 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. */
 63static inline u8 b43_freq_to_channel_5ghz(int freq)
 64{
 65	return ((freq - 5000) / 5);
 66}
 67static 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). */
 80static inline int b43_channel_to_freq_5ghz(u8 channel)
 81{
 82	return (5000 + (5 * channel));
 83}
 84static 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
 96static 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
103static inline int b43_is_ofdm_rate(int rate)
104{
105	return !b43_is_cck_rate(rate);
106}
107
108u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
109				  u8 antenna_nr);
110
111void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
112void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
113
114u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
115u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
116void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
117void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
118
119u64 b43_hf_read(struct b43_wldev *dev);
120void b43_hf_write(struct b43_wldev *dev, u64 value);
121
122void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on);
123
124void b43_wireless_core_reset(struct b43_wldev *dev, bool gmode);
125
126void 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 */
132void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
133
134void b43_mac_suspend(struct b43_wldev *dev);
135void b43_mac_enable(struct b43_wldev *dev);
136void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on);
137
138
139struct b43_request_fw_context;
140int b43_do_request_fw(struct b43_request_fw_context *ctx,
141		      const char *name,
142		      struct b43_firmware_file *fw);
143void b43_do_release_fw(struct b43_firmware_file *fw);
144
145#endif /* B43_MAIN_H_ */