From: Michael Buesch Date: Wed, 12 Dec 2007 21:05:18 +0000 (+0100) Subject: b43: Fix for broken transmission X-Git-Tag: v2.6.25-rc1~1162^2~446 X-Git-Url: http://ftp.safe.ca/?a=commitdiff_plain;h=38d1b4ce901506729f6c7f9a14f02f4327c577cc;p=safe%2Fjmp%2Flinux-2.6 b43: Fix for broken transmission This patch fixes the transmission problems introduced by commit f04b3787bbce4567e28069a9ec97dcd804626ac7 I'm not sure if the dummy read is really required. The old code does it. I think it can't hurt and can possibly fix some write posting problems (hardware bugs or whatever. Who knows). Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/b43/phy.h b/drivers/net/wireless/b43/phy.h index 1c7eac2..3525f56 100644 --- a/drivers/net/wireless/b43/phy.h +++ b/drivers/net/wireless/b43/phy.h @@ -25,7 +25,7 @@ struct b43_phy; #define B43_PHY_BBANDCFG_RXANT 0x180 /* RX Antenna selection */ #define B43_PHY_BBANDCFG_RXANT_SHIFT 7 #define B43_PHY_PWRDOWN B43_PHY_OFDM(0x03) /* Powerdown */ -#define B43_PHY_CRSTHRES1 B43_PHY_OFDM(0x06) /* CRS Threshold 1 */ +#define B43_PHY_CRSTHRES1_R1 B43_PHY_OFDM(0x06) /* CRS Threshold 1 (phy.rev 1 only) */ #define B43_PHY_LNAHPFCTL B43_PHY_OFDM(0x1C) /* LNA/HPF control */ #define B43_PHY_LPFGAINCTL B43_PHY_OFDM(0x20) /* LPF Gain control */ #define B43_PHY_ADIVRELATED B43_PHY_OFDM(0x27) /* FIXME rename */ @@ -69,8 +69,8 @@ struct b43_phy; #define B43_PHY_DIVP1P2GAIN B43_PHY_OFDM(0xAB) #define B43_PHY_DIVSRCHGAINBACK B43_PHY_OFDM(0xAD) /* Divider search gain back */ #define B43_PHY_DIVSRCHGAINCHNG B43_PHY_OFDM(0xAE) /* Divider search gain change */ -#define B43_PHY_CRSTHRES1_R1 B43_PHY_OFDM(0xC0) /* CRS Threshold 1 (rev 1 only) */ -#define B43_PHY_CRSTHRES2_R1 B43_PHY_OFDM(0xC1) /* CRS Threshold 2 (rev 1 only) */ +#define B43_PHY_CRSTHRES1 B43_PHY_OFDM(0xC0) /* CRS Threshold 1 (phy.rev >= 2 only) */ +#define B43_PHY_CRSTHRES2 B43_PHY_OFDM(0xC1) /* CRS Threshold 2 (phy.rev >= 2 only) */ #define B43_PHY_TSSIP_LTBASE B43_PHY_OFDM(0x380) /* TSSI power lookup table base */ #define B43_PHY_DC_LTBASE B43_PHY_OFDM(0x3A0) /* DC lookup table base */ #define B43_PHY_GAIN_LTBASE B43_PHY_OFDM(0x3C0) /* Gain lookup table base */ diff --git a/drivers/net/wireless/b43/tables.c b/drivers/net/wireless/b43/tables.c index fd5595b..3f5ea06 100644 --- a/drivers/net/wireless/b43/tables.c +++ b/drivers/net/wireless/b43/tables.c @@ -403,7 +403,7 @@ void b43_ofdmtab_write16(struct b43_wldev *dev, u16 table, addr = table + offset; if ((phy->ofdmtab_addr_direction != B43_OFDMTAB_DIRECTION_WRITE) || - (addr -1 != phy->ofdmtab_addr)) { + (addr - 1 != phy->ofdmtab_addr)) { /* The hardware has a different address in memory. Update it. */ b43_phy_write(dev, B43_PHY_OTABLECTL, addr); phy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_WRITE; diff --git a/drivers/net/wireless/b43/wa.c b/drivers/net/wireless/b43/wa.c index 0ba7f94..e632125 100644 --- a/drivers/net/wireless/b43/wa.c +++ b/drivers/net/wireless/b43/wa.c @@ -123,17 +123,24 @@ static void b43_wa_rssi_lt(struct b43_wldev *dev) /* RSSI lookup table */ { int i; - 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); + 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) { struct b43_phy *phy = &dev->phy; + u16 ofdmrev; - if (phy->analog > 2) { + ofdmrev = b43_phy_read(dev, B43_PHY_VERSION_OFDM) & B43_PHYVER_VERSION; + if (ofdmrev > 2) { if (phy->type == B43_PHYTYPE_A) b43_phy_write(dev, B43_PHY_PWRDOWN, 0x1808); else @@ -306,16 +313,16 @@ 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, 0x4F19); + b43_phy_write(dev, B43_PHY_CRSTHRES1_R1, 0x4F19); } else if (phy->rev == 2) { - b43_phy_write(dev, B43_PHY_CRSTHRES1_R1, 0x1861); - b43_phy_write(dev, B43_PHY_CRSTHRES2_R1, 0x1861); + b43_phy_write(dev, B43_PHY_CRSTHRES1, 0x1861); + b43_phy_write(dev, B43_PHY_CRSTHRES2, 0x0271); b43_phy_write(dev, B43_PHY_ANTDWELL, b43_phy_read(dev, B43_PHY_ANTDWELL) | 0x0800); } else { - b43_phy_write(dev, B43_PHY_CRSTHRES1_R1, 0x0098); - b43_phy_write(dev, B43_PHY_CRSTHRES2_R1, 0x0070); + 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_write(dev, B43_PHY_ANTDWELL, b43_phy_read(dev, B43_PHY_ANTDWELL) @@ -441,7 +448,7 @@ static void b43_wa_altagc(struct b43_wldev *dev) } } b43_phy_write(dev, B43_PHY_DIVSRCHIDX, - (b43_phy_read(dev, B43_PHY_DIVSRCHIDX) & 0x7F7F) | 0x7874); + (b43_phy_read(dev, B43_PHY_DIVSRCHIDX) & 0x8080) | 0x7874); b43_phy_write(dev, B43_PHY_OFDM(0x8E), 0x1C00); if (phy->rev == 1) { b43_phy_write(dev, B43_PHY_DIVP1P2GAIN, @@ -466,6 +473,7 @@ static void b43_wa_altagc(struct b43_wldev *dev) b43_phy_write(dev, B43_PHY_OFDM(0x26), b43_phy_read(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 */