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bfe6a50156
This fixes a sparse warning about weird locking. The spinlock is not needed, so simply remove it. This also adds some sanity checks to the PHY and radio locking to protect against recursive locking. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
210 lines
9.9 KiB
C
210 lines
9.9 KiB
C
/*
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Broadcom B43legacy 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 <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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Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net>
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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 B43legacy_PHY_H_
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#define B43legacy_PHY_H_
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#include <linux/types.h>
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enum {
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B43legacy_ANTENNA0, /* Antenna 0 */
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B43legacy_ANTENNA1, /* Antenna 0 */
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B43legacy_ANTENNA_AUTO1, /* Automatic, starting with antenna 1 */
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B43legacy_ANTENNA_AUTO0, /* Automatic, starting with antenna 0 */
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B43legacy_ANTENNA_AUTO = B43legacy_ANTENNA_AUTO0,
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B43legacy_ANTENNA_DEFAULT = B43legacy_ANTENNA_AUTO,
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};
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enum {
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B43legacy_INTERFMODE_NONE,
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B43legacy_INTERFMODE_NONWLAN,
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B43legacy_INTERFMODE_MANUALWLAN,
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B43legacy_INTERFMODE_AUTOWLAN,
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};
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/*** PHY Registers ***/
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/* Routing */
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#define B43legacy_PHYROUTE_OFDM_GPHY 0x400
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#define B43legacy_PHYROUTE_EXT_GPHY 0x800
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/* Base registers. */
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#define B43legacy_PHY_BASE(reg) (reg)
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/* OFDM (A) registers of a G-PHY */
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#define B43legacy_PHY_OFDM(reg) ((reg) | B43legacy_PHYROUTE_OFDM_GPHY)
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/* Extended G-PHY registers */
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#define B43legacy_PHY_EXTG(reg) ((reg) | B43legacy_PHYROUTE_EXT_GPHY)
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/* Extended G-PHY Registers */
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#define B43legacy_PHY_CLASSCTL B43legacy_PHY_EXTG(0x02) /* Classify control */
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#define B43legacy_PHY_GTABCTL B43legacy_PHY_EXTG(0x03) /* G-PHY table control (see below) */
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#define B43legacy_PHY_GTABOFF 0x03FF /* G-PHY table offset (see below) */
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#define B43legacy_PHY_GTABNR 0xFC00 /* G-PHY table number (see below) */
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#define B43legacy_PHY_GTABNR_SHIFT 10
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#define B43legacy_PHY_GTABDATA B43legacy_PHY_EXTG(0x04) /* G-PHY table data */
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#define B43legacy_PHY_LO_MASK B43legacy_PHY_EXTG(0x0F) /* Local Oscillator control mask */
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#define B43legacy_PHY_LO_CTL B43legacy_PHY_EXTG(0x10) /* Local Oscillator control */
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#define B43legacy_PHY_RFOVER B43legacy_PHY_EXTG(0x11) /* RF override */
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#define B43legacy_PHY_RFOVERVAL B43legacy_PHY_EXTG(0x12) /* RF override value */
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/*** OFDM table numbers ***/
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#define B43legacy_OFDMTAB(number, offset) \
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(((number) << B43legacy_PHY_OTABLENR_SHIFT) \
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| (offset))
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#define B43legacy_OFDMTAB_AGC1 B43legacy_OFDMTAB(0x00, 0)
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#define B43legacy_OFDMTAB_GAIN0 B43legacy_OFDMTAB(0x00, 0)
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#define B43legacy_OFDMTAB_GAINX B43legacy_OFDMTAB(0x01, 0)
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#define B43legacy_OFDMTAB_GAIN1 B43legacy_OFDMTAB(0x01, 4)
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#define B43legacy_OFDMTAB_AGC3 B43legacy_OFDMTAB(0x02, 0)
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#define B43legacy_OFDMTAB_GAIN2 B43legacy_OFDMTAB(0x02, 3)
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#define B43legacy_OFDMTAB_LNAHPFGAIN1 B43legacy_OFDMTAB(0x03, 0)
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#define B43legacy_OFDMTAB_WRSSI B43legacy_OFDMTAB(0x04, 0)
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#define B43legacy_OFDMTAB_LNAHPFGAIN2 B43legacy_OFDMTAB(0x04, 0)
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#define B43legacy_OFDMTAB_NOISESCALE B43legacy_OFDMTAB(0x05, 0)
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#define B43legacy_OFDMTAB_AGC2 B43legacy_OFDMTAB(0x06, 0)
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#define B43legacy_OFDMTAB_ROTOR B43legacy_OFDMTAB(0x08, 0)
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#define B43legacy_OFDMTAB_ADVRETARD B43legacy_OFDMTAB(0x09, 0)
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#define B43legacy_OFDMTAB_DAC B43legacy_OFDMTAB(0x0C, 0)
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#define B43legacy_OFDMTAB_DC B43legacy_OFDMTAB(0x0E, 7)
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#define B43legacy_OFDMTAB_PWRDYN2 B43legacy_OFDMTAB(0x0E, 12)
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#define B43legacy_OFDMTAB_LNAGAIN B43legacy_OFDMTAB(0x0E, 13)
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#define B43legacy_OFDMTAB_LPFGAIN B43legacy_OFDMTAB(0x0F, 12)
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#define B43legacy_OFDMTAB_RSSI B43legacy_OFDMTAB(0x10, 0)
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#define B43legacy_OFDMTAB_AGC1_R1 B43legacy_OFDMTAB(0x13, 0)
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#define B43legacy_OFDMTAB_GAINX_R1 B43legacy_OFDMTAB(0x14, 0)
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#define B43legacy_OFDMTAB_MINSIGSQ B43legacy_OFDMTAB(0x14, 1)
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#define B43legacy_OFDMTAB_AGC3_R1 B43legacy_OFDMTAB(0x15, 0)
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#define B43legacy_OFDMTAB_WRSSI_R1 B43legacy_OFDMTAB(0x15, 4)
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#define B43legacy_OFDMTAB_TSSI B43legacy_OFDMTAB(0x15, 0)
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#define B43legacy_OFDMTAB_DACRFPABB B43legacy_OFDMTAB(0x16, 0)
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#define B43legacy_OFDMTAB_DACOFF B43legacy_OFDMTAB(0x17, 0)
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#define B43legacy_OFDMTAB_DCBIAS B43legacy_OFDMTAB(0x18, 0)
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void b43legacy_put_attenuation_into_ranges(int *_bbatt, int *_rfatt);
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/* OFDM (A) PHY Registers */
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#define B43legacy_PHY_VERSION_OFDM B43legacy_PHY_OFDM(0x00) /* Versioning register for A-PHY */
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#define B43legacy_PHY_BBANDCFG B43legacy_PHY_OFDM(0x01) /* Baseband config */
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#define B43legacy_PHY_BBANDCFG_RXANT 0x180 /* RX Antenna selection */
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#define B43legacy_PHY_BBANDCFG_RXANT_SHIFT 7
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#define B43legacy_PHY_PWRDOWN B43legacy_PHY_OFDM(0x03) /* Powerdown */
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#define B43legacy_PHY_CRSTHRES1 B43legacy_PHY_OFDM(0x06) /* CRS Threshold 1 */
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#define B43legacy_PHY_LNAHPFCTL B43legacy_PHY_OFDM(0x1C) /* LNA/HPF control */
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#define B43legacy_PHY_ADIVRELATED B43legacy_PHY_OFDM(0x27) /* FIXME rename */
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#define B43legacy_PHY_CRS0 B43legacy_PHY_OFDM(0x29)
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#define B43legacy_PHY_ANTDWELL B43legacy_PHY_OFDM(0x2B) /* Antenna dwell */
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#define B43legacy_PHY_ANTDWELL_AUTODIV1 0x0100 /* Automatic RX diversity start antenna */
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#define B43legacy_PHY_ENCORE B43legacy_PHY_OFDM(0x49) /* "Encore" (RangeMax / BroadRange) */
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#define B43legacy_PHY_ENCORE_EN 0x0200 /* Encore enable */
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#define B43legacy_PHY_LMS B43legacy_PHY_OFDM(0x55)
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#define B43legacy_PHY_OFDM61 B43legacy_PHY_OFDM(0x61) /* FIXME rename */
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#define B43legacy_PHY_OFDM61_10 0x0010 /* FIXME rename */
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#define B43legacy_PHY_IQBAL B43legacy_PHY_OFDM(0x69) /* I/Q balance */
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#define B43legacy_PHY_OTABLECTL B43legacy_PHY_OFDM(0x72) /* OFDM table control (see below) */
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#define B43legacy_PHY_OTABLEOFF 0x03FF /* OFDM table offset (see below) */
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#define B43legacy_PHY_OTABLENR 0xFC00 /* OFDM table number (see below) */
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#define B43legacy_PHY_OTABLENR_SHIFT 10
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#define B43legacy_PHY_OTABLEI B43legacy_PHY_OFDM(0x73) /* OFDM table data I */
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#define B43legacy_PHY_OTABLEQ B43legacy_PHY_OFDM(0x74) /* OFDM table data Q */
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#define B43legacy_PHY_HPWR_TSSICTL B43legacy_PHY_OFDM(0x78) /* Hardware power TSSI control */
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#define B43legacy_PHY_NRSSITHRES B43legacy_PHY_OFDM(0x8A) /* NRSSI threshold */
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#define B43legacy_PHY_ANTWRSETT B43legacy_PHY_OFDM(0x8C) /* Antenna WR settle */
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#define B43legacy_PHY_ANTWRSETT_ARXDIV 0x2000 /* Automatic RX diversity enabled */
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#define B43legacy_PHY_CLIPPWRDOWNT B43legacy_PHY_OFDM(0x93) /* Clip powerdown threshold */
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#define B43legacy_PHY_OFDM9B B43legacy_PHY_OFDM(0x9B) /* FIXME rename */
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#define B43legacy_PHY_N1P1GAIN B43legacy_PHY_OFDM(0xA0)
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#define B43legacy_PHY_P1P2GAIN B43legacy_PHY_OFDM(0xA1)
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#define B43legacy_PHY_N1N2GAIN B43legacy_PHY_OFDM(0xA2)
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#define B43legacy_PHY_CLIPTHRES B43legacy_PHY_OFDM(0xA3)
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#define B43legacy_PHY_CLIPN1P2THRES B43legacy_PHY_OFDM(0xA4)
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#define B43legacy_PHY_DIVSRCHIDX B43legacy_PHY_OFDM(0xA8) /* Divider search gain/index */
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#define B43legacy_PHY_CLIPP2THRES B43legacy_PHY_OFDM(0xA9)
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#define B43legacy_PHY_CLIPP3THRES B43legacy_PHY_OFDM(0xAA)
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#define B43legacy_PHY_DIVP1P2GAIN B43legacy_PHY_OFDM(0xAB)
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#define B43legacy_PHY_DIVSRCHGAINBACK B43legacy_PHY_OFDM(0xAD) /* Divider search gain back */
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#define B43legacy_PHY_DIVSRCHGAINCHNG B43legacy_PHY_OFDM(0xAE) /* Divider search gain change */
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#define B43legacy_PHY_CRSTHRES1_R1 B43legacy_PHY_OFDM(0xC0) /* CRS Threshold 1 (rev 1 only) */
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#define B43legacy_PHY_CRSTHRES2_R1 B43legacy_PHY_OFDM(0xC1) /* CRS Threshold 2 (rev 1 only) */
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#define B43legacy_PHY_TSSIP_LTBASE B43legacy_PHY_OFDM(0x380) /* TSSI power lookup table base */
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#define B43legacy_PHY_DC_LTBASE B43legacy_PHY_OFDM(0x3A0) /* DC lookup table base */
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#define B43legacy_PHY_GAIN_LTBASE B43legacy_PHY_OFDM(0x3C0) /* Gain lookup table base */
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void b43legacy_put_attenuation_into_ranges(int *_bbatt, int *_rfatt);
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/* Masks for the different PHY versioning registers. */
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#define B43legacy_PHYVER_ANALOG 0xF000
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#define B43legacy_PHYVER_ANALOG_SHIFT 12
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#define B43legacy_PHYVER_TYPE 0x0F00
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#define B43legacy_PHYVER_TYPE_SHIFT 8
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#define B43legacy_PHYVER_VERSION 0x00FF
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struct b43legacy_wldev;
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void b43legacy_phy_lock(struct b43legacy_wldev *dev);
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void b43legacy_phy_unlock(struct b43legacy_wldev *dev);
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/* Card uses the loopback gain stuff */
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#define has_loopback_gain(phy) \
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(((phy)->rev > 1) || ((phy)->gmode))
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u16 b43legacy_phy_read(struct b43legacy_wldev *dev, u16 offset);
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void b43legacy_phy_write(struct b43legacy_wldev *dev, u16 offset, u16 val);
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int b43legacy_phy_init_tssi2dbm_table(struct b43legacy_wldev *dev);
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int b43legacy_phy_init(struct b43legacy_wldev *dev);
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void b43legacy_set_rx_antenna(struct b43legacy_wldev *dev, int antenna);
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void b43legacy_phy_set_antenna_diversity(struct b43legacy_wldev *dev);
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void b43legacy_phy_calibrate(struct b43legacy_wldev *dev);
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int b43legacy_phy_connect(struct b43legacy_wldev *dev, int connect);
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void b43legacy_phy_lo_b_measure(struct b43legacy_wldev *dev);
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void b43legacy_phy_lo_g_measure(struct b43legacy_wldev *dev);
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void b43legacy_phy_xmitpower(struct b43legacy_wldev *dev);
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/* Adjust the LocalOscillator to the saved values.
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* "fixed" is only set to 1 once in initialization. Set to 0 otherwise.
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*/
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void b43legacy_phy_lo_adjust(struct b43legacy_wldev *dev, int fixed);
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void b43legacy_phy_lo_mark_all_unused(struct b43legacy_wldev *dev);
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void b43legacy_phy_set_baseband_attenuation(struct b43legacy_wldev *dev,
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u16 baseband_attenuation);
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void b43legacy_power_saving_ctl_bits(struct b43legacy_wldev *dev,
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int bit25, int bit26);
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#endif /* B43legacy_PHY_H_ */
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