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69eddc8a37
This removes the SHM spinlock. SHM is protected by wl->mutex. Signed-off-by: Michael Buesch <mb@bu3sch.de> Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
145 lines
4.2 KiB
C
145 lines
4.2 KiB
C
/*
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Broadcom B43 wireless driver
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Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
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Stefano Brivio <stefano.brivio@polimi.it>
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Michael Buesch <mb@bu3sch.de>
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Danny van Dyk <kugelfang@gentoo.org>
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Andreas Jaggi <andreas.jaggi@waterwave.ch>
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Some parts of the code in this file are derived from the ipw2200
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driver Copyright(c) 2003 - 2004 Intel Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef B43_MAIN_H_
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#define B43_MAIN_H_
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#include "b43.h"
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#define P4D_BYT3S(magic, nr_bytes) u8 __p4dding##magic[nr_bytes]
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#define P4D_BYTES(line, nr_bytes) P4D_BYT3S(line, nr_bytes)
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/* Magic helper macro to pad structures. Ignore those above. It's magic. */
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#define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes))
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extern int b43_modparam_verbose;
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/* Logmessage verbosity levels. Update the b43_modparam_verbose helptext, if
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* you add or remove levels. */
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enum b43_verbosity {
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B43_VERBOSITY_ERROR,
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B43_VERBOSITY_WARN,
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B43_VERBOSITY_INFO,
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B43_VERBOSITY_DEBUG,
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__B43_VERBOSITY_AFTERLAST, /* keep last */
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B43_VERBOSITY_MAX = __B43_VERBOSITY_AFTERLAST - 1,
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#if B43_DEBUG
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B43_VERBOSITY_DEFAULT = B43_VERBOSITY_DEBUG,
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#else
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B43_VERBOSITY_DEFAULT = B43_VERBOSITY_INFO,
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#endif
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};
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/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
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static inline u8 b43_freq_to_channel_5ghz(int freq)
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{
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return ((freq - 5000) / 5);
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}
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static inline u8 b43_freq_to_channel_2ghz(int freq)
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{
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u8 channel;
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if (freq == 2484)
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channel = 14;
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else
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channel = (freq - 2407) / 5;
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return channel;
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}
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/* Lightweight function to convert a channel number to a frequency (in Mhz). */
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static inline int b43_channel_to_freq_5ghz(u8 channel)
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{
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return (5000 + (5 * channel));
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}
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static inline int b43_channel_to_freq_2ghz(u8 channel)
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{
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int freq;
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if (channel == 14)
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freq = 2484;
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else
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freq = 2407 + (5 * channel);
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return freq;
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}
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static inline int b43_is_cck_rate(int rate)
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{
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return (rate == B43_CCK_RATE_1MB ||
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rate == B43_CCK_RATE_2MB ||
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rate == B43_CCK_RATE_5MB || rate == B43_CCK_RATE_11MB);
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}
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static inline int b43_is_ofdm_rate(int rate)
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{
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return !b43_is_cck_rate(rate);
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}
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u8 b43_ieee80211_antenna_sanitize(struct b43_wldev *dev,
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u8 antenna_nr);
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void b43_tsf_read(struct b43_wldev *dev, u64 * tsf);
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void b43_tsf_write(struct b43_wldev *dev, u64 tsf);
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u32 b43_shm_read32(struct b43_wldev *dev, u16 routing, u16 offset);
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u16 b43_shm_read16(struct b43_wldev *dev, u16 routing, u16 offset);
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void b43_shm_write32(struct b43_wldev *dev, u16 routing, u16 offset, u32 value);
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void b43_shm_write16(struct b43_wldev *dev, u16 routing, u16 offset, u16 value);
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u64 b43_hf_read(struct b43_wldev *dev);
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void b43_hf_write(struct b43_wldev *dev, u64 value);
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void b43_dummy_transmission(struct b43_wldev *dev, bool ofdm, bool pa_on);
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void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags);
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void b43_controller_restart(struct b43_wldev *dev, const char *reason);
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#define B43_PS_ENABLED (1 << 0) /* Force enable hardware power saving */
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#define B43_PS_DISABLED (1 << 1) /* Force disable hardware power saving */
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#define B43_PS_AWAKE (1 << 2) /* Force device awake */
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#define B43_PS_ASLEEP (1 << 3) /* Force device asleep */
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void b43_power_saving_ctl_bits(struct b43_wldev *dev, unsigned int ps_flags);
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void b43_mac_suspend(struct b43_wldev *dev);
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void b43_mac_enable(struct b43_wldev *dev);
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struct b43_request_fw_context;
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int b43_do_request_fw(struct b43_request_fw_context *ctx,
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const char *name,
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struct b43_firmware_file *fw);
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void b43_do_release_fw(struct b43_firmware_file *fw);
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#endif /* B43_MAIN_H_ */
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