169 lines
4.6 KiB
C
169 lines
4.6 KiB
C
/*
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Broadcom BCM43xx wireless driver
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Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
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Stefano Brivio <st3@riseup.net>
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Michael Buesch <mbuesch@freenet.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 BCM43xx_MAIN_H_
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#define BCM43xx_MAIN_H_
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#include "bcm43xx.h"
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#ifdef CONFIG_BCM947XX
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#define atoi(str) simple_strtoul(((str != NULL) ? str : ""), NULL, 0)
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static inline void e_aton(char *str, char *dest)
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{
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int i = 0;
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u16 *d = (u16 *) dest;
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for (;;) {
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dest[i++] = (char) simple_strtoul(str, NULL, 16);
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str += 2;
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if (!*str++ || i == 6)
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break;
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}
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for (i = 0; i < 3; i++)
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d[i] = cpu_to_be16(d[i]);
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}
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#endif
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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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/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
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static inline
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u8 bcm43xx_freq_to_channel_a(int freq)
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{
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return ((freq - 5000) / 5);
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}
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static inline
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u8 bcm43xx_freq_to_channel_bg(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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static inline
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u8 bcm43xx_freq_to_channel(struct bcm43xx_private *bcm,
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int freq)
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{
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if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
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return bcm43xx_freq_to_channel_a(freq);
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return bcm43xx_freq_to_channel_bg(freq);
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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
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int bcm43xx_channel_to_freq_a(u8 channel)
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{
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return (5000 + (5 * channel));
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}
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static inline
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int bcm43xx_channel_to_freq_bg(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
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int bcm43xx_channel_to_freq(struct bcm43xx_private *bcm,
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u8 channel)
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{
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if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
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return bcm43xx_channel_to_freq_a(channel);
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return bcm43xx_channel_to_freq_bg(channel);
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}
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/* Lightweight function to check if a channel number is valid.
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* Note that this does _NOT_ check for geographical restrictions!
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*/
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static inline
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int bcm43xx_is_valid_channel_a(u8 channel)
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{
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return (channel <= 200);
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}
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static inline
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int bcm43xx_is_valid_channel_bg(u8 channel)
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{
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return (channel >= 1 && channel <= 14);
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}
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static inline
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int bcm43xx_is_valid_channel(struct bcm43xx_private *bcm,
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u8 channel)
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{
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if (bcm43xx_current_phy(bcm)->type == BCM43xx_PHYTYPE_A)
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return bcm43xx_is_valid_channel_a(channel);
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return bcm43xx_is_valid_channel_bg(channel);
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}
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void bcm43xx_tsf_read(struct bcm43xx_private *bcm, u64 *tsf);
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void bcm43xx_tsf_write(struct bcm43xx_private *bcm, u64 tsf);
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void bcm43xx_set_iwmode(struct bcm43xx_private *bcm,
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int iw_mode);
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u32 bcm43xx_shm_read32(struct bcm43xx_private *bcm,
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u16 routing, u16 offset);
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u16 bcm43xx_shm_read16(struct bcm43xx_private *bcm,
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u16 routing, u16 offset);
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void bcm43xx_shm_write32(struct bcm43xx_private *bcm,
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u16 routing, u16 offset,
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u32 value);
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void bcm43xx_shm_write16(struct bcm43xx_private *bcm,
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u16 routing, u16 offset,
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u16 value);
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void bcm43xx_dummy_transmission(struct bcm43xx_private *bcm);
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int bcm43xx_switch_core(struct bcm43xx_private *bcm, struct bcm43xx_coreinfo *new_core);
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void bcm43xx_wireless_core_reset(struct bcm43xx_private *bcm, int connect_phy);
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void bcm43xx_mac_suspend(struct bcm43xx_private *bcm);
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void bcm43xx_mac_enable(struct bcm43xx_private *bcm);
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void bcm43xx_controller_restart(struct bcm43xx_private *bcm, const char *reason);
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int bcm43xx_sprom_read(struct bcm43xx_private *bcm, u16 *sprom);
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int bcm43xx_sprom_write(struct bcm43xx_private *bcm, const u16 *sprom);
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#endif /* BCM43xx_MAIN_H_ */
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