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linux/drivers/net/wireless/broadcom/b43/wa.c
Guenter Roeck afdfdc481e b43: Completely remove support for phy_a 
Per Michael Büsch: "All a-phy code is usused", so remove it all.

Cc: Michael Büsch <m@bues.ch>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-06-16 18:23:18 +03:00

390 lines
11 KiB
C
Raw Blame History

/*
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);
}
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);
}
}
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);
}
}
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]);
}
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]);
}
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]);
}
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]);
}
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);
}
}
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]);
}
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]);
}
}
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);
}
}
static void b43_wa_crs_thr(struct b43_wldev *dev)
{
b43_phy_maskset(dev, B43_PHY_CRS0, ~0x03C0, 0xD000);
}
static void b43_wa_crs_blank(struct b43_wldev *dev)
{
b43_phy_write(dev, B43_PHY_OFDM(0x2C), 0x005A);
}
static void b43_wa_cck_shiftbits(struct b43_wldev *dev)
{
b43_phy_write(dev, B43_PHY_CCKSHIFTBITS, 0x0026);
}
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);
}
}
}
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);
}
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 */
}
static void b43_wa_tr_ltov(struct b43_wldev *dev) /* TR Lookup Table Original Values */
{
b43_gtab_write(dev, B43_GTAB_ORIGTR, 0, 0x7654);
}
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);
}
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);
}
}
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);
}
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