Release 4.11 drivers/net/wireless/broadcom/b43/wa.c

Directory: drivers/net/wireless/broadcom/b43
/*

  Broadcom B43 wireless driver

  PHY workarounds.

  Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
  Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; see the file COPYING.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  Boston, MA 02110-1301, USA.

*/

#include "b43.h"
#include "main.h"
#include "tables.h"
#include "phy_common.h"
#include "wa.h"



void b43_wa_initgains(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	b43_phy_write(dev, B43_PHY_LNAHPFCTL, 0x1FF9);
	b43_phy_mask(dev, B43_PHY_LPFGAINCTL, 0xFF0F);
	if (phy->rev <= 2)
		b43_ofdmtab_write16(dev, B43_OFDMTAB_LPFGAIN, 0, 0x1FBF);
	b43_radio_write16(dev, 0x0002, 0x1FBF);

	b43_phy_write(dev, 0x0024, 0x4680);
	b43_phy_write(dev, 0x0020, 0x0003);
	b43_phy_write(dev, 0x001D, 0x0F40);
	b43_phy_write(dev, 0x001F, 0x1C00);
	if (phy->rev <= 3)
		b43_phy_maskset(dev, 0x002A, 0x00FF, 0x0400);
	else if (phy->rev == 5) {
		b43_phy_maskset(dev, 0x002A, 0x00FF, 0x1A00);
		b43_phy_write(dev, 0x00CC, 0x2121);
	}
	if (phy->rev >= 3)
		b43_phy_write(dev, 0x00BA, 0x3ED5);
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 164 97.04% 1 33.33%
Michael Büsch 5 2.96% 2 66.67%
Total 169 100.00% 3 100.00%



static void b43_wa_rssi_lt(struct b43_wldev *dev) /* RSSI lookup table */
{
	int i;

	if (0 /* FIXME: For APHY.rev=2 this might be needed */) {
		for (i = 0; i < 8; i++)
			b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i + 8);
		for (i = 8; i < 16; i++)
			b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i - 8);
	} else {
		for (i = 0; i < 64; i++)
			b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 79 78.22% 1 50.00%
Stefano Brivio 22 21.78% 1 50.00%
Total 101 100.00% 2 100.00%



static void b43_wa_analog(struct b43_wldev *dev)
{
	u16 ofdmrev;

	ofdmrev = b43_phy_read(dev, B43_PHY_VERSION_OFDM) & B43_PHYVER_VERSION;
	if (ofdmrev > 2) {
		b43_phy_write(dev, B43_PHY_PWRDOWN, 0x1000);
	} else {
		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 3, 0x1044);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 4, 0x7201);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 6, 0x0040);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 47 60.26% 1 50.00%
Guenter Roeck 31 39.74% 1 50.00%
Total 78 100.00% 2 100.00%



static void b43_wa_fft(struct b43_wldev *dev) /* Fine frequency table */
{
	int i;

	for (i = 0; i < B43_TAB_FINEFREQG_SIZE; i++)
		b43_ofdmtab_write16(dev, B43_OFDMTAB_DACRFPABB, i,
				    b43_tab_finefreqg[i]);
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 34 80.95% 1 50.00%
Guenter Roeck 8 19.05% 1 50.00%
Total 42 100.00% 2 100.00%



static void b43_wa_nft(struct b43_wldev *dev) /* Noise figure table */
{
	struct b43_phy *phy = &dev->phy;
	int i;

	if (phy->rev == 1)
		for (i = 0; i < B43_TAB_NOISEG1_SIZE; i++)
			b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i,
					    b43_tab_noiseg1[i]);
	else
		for (i = 0; i < B43_TAB_NOISEG2_SIZE; i++)
			b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i,
					    b43_tab_noiseg2[i]);
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 43 48.86% 1 33.33%
Michael Büsch 24 27.27% 1 33.33%
Stefano Brivio 21 23.86% 1 33.33%
Total 88 100.00% 3 100.00%



static void b43_wa_rt(struct b43_wldev *dev) /* Rotor table */
{
	int i;

	for (i = 0; i < B43_TAB_ROTOR_SIZE; i++)
		b43_ofdmtab_write32(dev, B43_OFDMTAB_ROTOR, i, b43_tab_rotor[i]);
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 23 54.76% 1 33.33%
Stefano Brivio 17 40.48% 1 33.33%
Michael Büsch 2 4.76% 1 33.33%
Total 42 100.00% 3 100.00%



static void b43_write_nst(struct b43_wldev *dev, const u16 *nst)
{
	int i;

	for (i = 0; i < B43_TAB_NOISESCALE_SIZE; i++)
		b43_ofdmtab_write16(dev, B43_OFDMTAB_NOISESCALE, i, nst[i]);
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 36 78.26% 1 50.00%
Stefano Brivio 10 21.74% 1 50.00%
Total 46 100.00% 2 100.00%



static void b43_wa_nst(struct b43_wldev *dev) /* Noise scale table */
{
	struct b43_phy *phy = &dev->phy;

	if (phy->rev >= 6) {
		if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN)
			b43_write_nst(dev, b43_tab_noisescaleg3);
		else
			b43_write_nst(dev, b43_tab_noisescaleg2);
	} else {
		b43_write_nst(dev, b43_tab_noisescaleg1);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 37 54.41% 1 50.00%
Stefano Brivio 31 45.59% 1 50.00%
Total 68 100.00% 2 100.00%



static void b43_wa_art(struct b43_wldev *dev) /* ADV retard table */
{
	int i;

	for (i = 0; i < B43_TAB_RETARD_SIZE; i++)
			b43_ofdmtab_write32(dev, B43_OFDMTAB_ADVRETARD,
				i, b43_tab_retard[i]);
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 36 85.71% 1 50.00%
Guenter Roeck 6 14.29% 1 50.00%
Total 42 100.00% 2 100.00%



static void b43_wa_msst(struct b43_wldev *dev) /* Min sigma square table */
{
	struct b43_phy *phy = &dev->phy;
	int i;
	const u16 *tab;

	if (phy->type == B43_PHYTYPE_G) {
		tab = b43_tab_sigmasqr2;
	} else {
		B43_WARN_ON(1);
		return;
	}

	for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++) {
		b43_ofdmtab_write16(dev, B43_OFDMTAB_MINSIGSQ,
					i, tab[i]);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 59 71.95% 1 50.00%
Guenter Roeck 23 28.05% 1 50.00%
Total 82 100.00% 2 100.00%



static void b43_wa_crs_ed(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	if (phy->rev == 1) {
		b43_phy_write(dev, B43_PHY_CRSTHRES1_R1, 0x4F19);
	} else if (phy->rev == 2) {
		b43_phy_write(dev, B43_PHY_CRSTHRES1, 0x1861);
		b43_phy_write(dev, B43_PHY_CRSTHRES2, 0x0271);
		b43_phy_set(dev, B43_PHY_ANTDWELL, 0x0800);
	} else {
		b43_phy_write(dev, B43_PHY_CRSTHRES1, 0x0098);
		b43_phy_write(dev, B43_PHY_CRSTHRES2, 0x0070);
		b43_phy_write(dev, B43_PHY_OFDM(0xC9), 0x0080);
		b43_phy_set(dev, B43_PHY_ANTDWELL, 0x0800);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 94 78.33% 1 50.00%
Stefano Brivio 26 21.67% 1 50.00%
Total 120 100.00% 2 100.00%



static void b43_wa_crs_thr(struct b43_wldev *dev)
{
	b43_phy_maskset(dev, B43_PHY_CRS0, ~0x03C0, 0xD000);
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 17 73.91% 1 50.00%
Guenter Roeck 6 26.09% 1 50.00%
Total 23 100.00% 2 100.00%



static void b43_wa_crs_blank(struct b43_wldev *dev)
{
	b43_phy_write(dev, B43_PHY_OFDM(0x2C), 0x005A);
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 15 65.22% 1 33.33%
Guenter Roeck 7 30.43% 1 33.33%
Harvey Harrison 1 4.35% 1 33.33%
Total 23 100.00% 3 100.00%



static void b43_wa_cck_shiftbits(struct b43_wldev *dev)
{
	b43_phy_write(dev, B43_PHY_CCKSHIFTBITS, 0x0026);
}

Contributors
Person Tokens Prop Commits CommitProp
Harvey Harrison 10 50.00% 1 33.33%
Stefano Brivio 6 30.00% 1 33.33%
Guenter Roeck 4 20.00% 1 33.33%
Total 20 100.00% 3 100.00%



static void b43_wa_wrssi_offset(struct b43_wldev *dev)
{
	int i;

	if (dev->phy.rev == 1) {
		for (i = 0; i < 16; i++) {
			b43_ofdmtab_write16(dev, B43_OFDMTAB_WRSSI_R1,
						i, 0x0020);
		}
	} else {
		for (i = 0; i < 32; i++) {
			b43_ofdmtab_write16(dev, B43_OFDMTAB_WRSSI,
						i, 0x0820);
		}
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 34 41.98% 1 33.33%
Guenter Roeck 30 37.04% 1 33.33%
Harvey Harrison 17 20.99% 1 33.33%
Total 81 100.00% 3 100.00%



static void b43_wa_txpuoff_rxpuon(struct b43_wldev *dev)
{
	b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_0F, 2, 15);
	b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_0F, 3, 20);
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 24 72.73% 1 50.00%
Guenter Roeck 9 27.27% 1 50.00%
Total 33 100.00% 2 100.00%



static void b43_wa_altagc(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	if (phy->rev == 1) {
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 254);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 1, 13);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 2, 19);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 3, 25);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 0, 0x2710);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 1, 0x9B83);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 2, 0x9B83);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 3, 0x0F8D);
		b43_phy_write(dev, B43_PHY_LMS, 4);
	} else {
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0, 254);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 1, 13);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 2, 19);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 3, 25);
	}

	b43_phy_maskset(dev, B43_PHY_CCKSHIFTBITS_WA, 0x00FF, 0x5700);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x1A), ~0x007F, 0x000F);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x1A), ~0x3F80, 0x2B80);
	b43_phy_maskset(dev, B43_PHY_ANTWRSETT, 0xF0FF, 0x0300);
	b43_radio_set(dev, 0x7A, 0x0008);
	b43_phy_maskset(dev, B43_PHY_N1P1GAIN, ~0x000F, 0x0008);
	b43_phy_maskset(dev, B43_PHY_P1P2GAIN, ~0x0F00, 0x0600);
	b43_phy_maskset(dev, B43_PHY_N1N2GAIN, ~0x0F00, 0x0700);
	b43_phy_maskset(dev, B43_PHY_N1P1GAIN, ~0x0F00, 0x0100);
	if (phy->rev == 1) {
		b43_phy_maskset(dev, B43_PHY_N1N2GAIN, ~0x000F, 0x0007);
	}
	b43_phy_maskset(dev, B43_PHY_OFDM(0x88), ~0x00FF, 0x001C);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x88), ~0x3F00, 0x0200);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x96), ~0x00FF, 0x001C);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x89), ~0x00FF, 0x0020);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x89), ~0x3F00, 0x0200);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x82), ~0x00FF, 0x002E);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x96), 0x00FF, 0x1A00);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x81), ~0x00FF, 0x0028);
	b43_phy_maskset(dev, B43_PHY_OFDM(0x81), 0x00FF, 0x2C00);
	if (phy->rev == 1) {
		b43_phy_write(dev, B43_PHY_PEAK_COUNT, 0x092B);
		b43_phy_maskset(dev, B43_PHY_OFDM(0x1B), ~0x001E, 0x0002);
	} else {
		b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x001E);
		b43_phy_write(dev, B43_PHY_OFDM(0x1F), 0x287A);
		b43_phy_maskset(dev, B43_PHY_LPFGAINCTL, ~0x000F, 0x0004);
		if (phy->rev >= 6) {
			b43_phy_write(dev, B43_PHY_OFDM(0x22), 0x287A);
			b43_phy_maskset(dev, B43_PHY_LPFGAINCTL, 0x0FFF, 0x3000);
		}
	}
	b43_phy_maskset(dev, B43_PHY_DIVSRCHIDX, 0x8080, 0x7874);
	b43_phy_write(dev, B43_PHY_OFDM(0x8E), 0x1C00);
	if (phy->rev == 1) {
		b43_phy_maskset(dev, B43_PHY_DIVP1P2GAIN, ~0x0F00, 0x0600);
		b43_phy_write(dev, B43_PHY_OFDM(0x8B), 0x005E);
		b43_phy_maskset(dev, B43_PHY_ANTWRSETT, ~0x00FF, 0x001E);
		b43_phy_write(dev, B43_PHY_OFDM(0x8D), 0x0002);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 0, 0);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 1, 7);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 2, 16);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 3, 28);
	} else {
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 0, 0);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 1, 7);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 2, 16);
		b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 3, 28);
	}
	if (phy->rev >= 6) {
		b43_phy_mask(dev, B43_PHY_OFDM(0x26), ~0x0003);
		b43_phy_mask(dev, B43_PHY_OFDM(0x26), ~0x1000);
	}
	b43_phy_read(dev, B43_PHY_VERSION_OFDM); /* Dummy read */
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 415 54.46% 1 33.33%
Guenter Roeck 321 42.13% 1 33.33%
Michael Büsch 26 3.41% 1 33.33%
Total 762 100.00% 3 100.00%



static void b43_wa_tr_ltov(struct b43_wldev *dev) /* TR Lookup Table Original Values */
{
	b43_gtab_write(dev, B43_GTAB_ORIGTR, 0, 0x7654);
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 16 69.57% 1 33.33%
Stefano Brivio 6 26.09% 1 33.33%
Michael Büsch 1 4.35% 1 33.33%
Total 23 100.00% 3 100.00%



static void b43_wa_cpll_nonpilot(struct b43_wldev *dev)
{
	b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_11, 0, 0);
	b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_11, 1, 0);
}

Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 20 60.61% 1 50.00%
Guenter Roeck 13 39.39% 1 50.00%
Total 33 100.00% 2 100.00%



static void b43_wa_boards_g(struct b43_wldev *dev)
{
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	struct b43_phy *phy = &dev->phy;

	if (dev->dev->board_vendor != SSB_BOARDVENDOR_BCM ||
	    dev->dev->board_type != SSB_BOARD_BU4306 ||
	    dev->dev->board_rev != 0x17) {
		if (phy->rev < 2) {
			b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX_R1, 1, 0x0002);
			b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX_R1, 2, 0x0001);
		} else {
			b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 1, 0x0002);
			b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 2, 0x0001);
			if ((sprom->boardflags_lo & B43_BFL_EXTLNA) &&
			    (phy->rev >= 7)) {
				b43_phy_mask(dev, B43_PHY_EXTG(0x11), 0xF7FF);
				b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0020, 0x0001);
				b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0021, 0x0001);
				b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0022, 0x0001);
				b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0023, 0x0000);
				b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0000, 0x0000);
				b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0003, 0x0002);
			}
		}
	}
	if (sprom->boardflags_lo & B43_BFL_FEM) {
		b43_phy_write(dev, B43_PHY_GTABCTL, 0x3120);
		b43_phy_write(dev, B43_PHY_GTABDATA, 0xC480);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Guenter Roeck 143 58.85% 1 25.00%
Stefano Brivio 94 38.68% 1 25.00%
Michael Büsch 6 2.47% 2 50.00%
Total 243 100.00% 4 100.00%



void b43_wa_all(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	if (phy->type == B43_PHYTYPE_G) {
		switch (phy->rev) {
		case 1://XXX review rev1
			b43_wa_crs_ed(dev);
			b43_wa_crs_thr(dev);
			b43_wa_crs_blank(dev);
			b43_wa_cck_shiftbits(dev);
			b43_wa_fft(dev);
			b43_wa_nft(dev);
			b43_wa_rt(dev);
			b43_wa_nst(dev);
			b43_wa_art(dev);
			b43_wa_wrssi_offset(dev);
			b43_wa_altagc(dev);
			break;
		case 2:
		case 6:
		case 7:
		case 8:
		case 9:
			b43_wa_tr_ltov(dev);
			b43_wa_crs_ed(dev);
			b43_wa_rssi_lt(dev);
			b43_wa_nft(dev);
			b43_wa_nst(dev);
			b43_wa_msst(dev);
			b43_wa_wrssi_offset(dev);
			b43_wa_altagc(dev);
			b43_wa_analog(dev);
			b43_wa_txpuoff_rxpuon(dev);
			break;
		default:
			B43_WARN_ON(1);
		}
		b43_wa_boards_g(dev);
	} else { /* No N PHY support so far, LP PHY is in phy_lp.c */
		B43_WARN_ON(1);
	}

	b43_wa_cpll_nonpilot(dev);
}
Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 183 96.83% 1 20.00%
Larry Finger 3 1.59% 1 20.00%
Rafał Miłecki 1 0.53% 1 20.00%
Gábor Stefanik 1 0.53% 1 20.00%
Guenter Roeck 1 0.53% 1 20.00%
Total 189 100.00% 5 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
Stefano Brivio 1295 55.72% 1 9.09%
Guenter Roeck 930 40.02% 1 9.09%
Michael Büsch 66 2.84% 5 45.45%
Harvey Harrison 28 1.20% 1 9.09%
Larry Finger 3 0.13% 1 9.09%
Gábor Stefanik 1 0.04% 1 9.09%
Rafał Miłecki 1 0.04% 1 9.09%
Total 2324 100.00% 11 100.00%
Directory: drivers/net/wireless/broadcom/b43

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
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Person	Tokens	Prop	Commits	CommitProp
Stefano Brivio	164	97.04%	1	33.33%
Michael Büsch	5	2.96%	2	66.67%
Total	169	100.00%	3	100.00%
cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/broadcom/b43/wa.c

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