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-rw-r--r--drivers/net/wireless/broadcom/b43/wa.c376
1 files changed, 376 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/b43/wa.c b/drivers/net/wireless/broadcom/b43/wa.c
new file mode 100644
index 000000000..f9209b863
--- /dev/null
+++ b/drivers/net/wireless/broadcom/b43/wa.c
@@ -0,0 +1,376 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+
+ 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>
+
+
+*/
+
+#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);
+}