58e5528ee4
Rewrite of the bcm43xx initialization routines. This fixes several issues: * up-down-up-down-up... stale data issue (May fix some DHCP issues) * Fix the init vs IRQ handler race (and remove the workaround) * Fix init for cards with multiple cores (APHY) As softmac has no internal PHY handling (unlike dscape), this adds the file "phymode" to sysfs. The active PHY can be selected by writing either a, b or g to this file. Current PHY can be determined by reading from it. * Fix the controller restart code. Controller restart can now also be triggered through echo 1 > /debug/bcm43xx/ethX/restart Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
150 lines
4.2 KiB
C
150 lines
4.2 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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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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int bcm43xx_select_wireless_core(struct bcm43xx_private *bcm,
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int phytype);
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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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