From 036cafe4212a7d71d415b2f02cc5d6cad690dc27 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sat, 27 Feb 2010 13:03:36 +0100 Subject: [PATCH] b43: N-PHY: update post init of 2055 radio MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 61 ++++++++++++++++++-------------- 1 file changed, 35 insertions(+), 26 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 2c592d2dba93..67748976ae79 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -183,49 +183,58 @@ static void b43_radio_init2055_pre(struct b43_wldev *dev) static void b43_radio_init2055_post(struct b43_wldev *dev) { + struct b43_phy_n *nphy = dev->phy.n; struct ssb_sprom *sprom = &(dev->dev->bus->sprom); struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo); int i; u16 val; + bool workaround = false; + + if (sprom->revision < 4) + workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM || + binfo->type != 0x46D || + binfo->rev < 0x41); + else + workaround = ((sprom->boardflags_hi & B43_BFH_NOPA) == 0); b43_radio_mask(dev, B2055_MASTER1, 0xFFF3); - msleep(1); - if ((sprom->revision != 4) || - !(sprom->boardflags_hi & B43_BFH_RSSIINV)) { - if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) || - (binfo->type != 0x46D) || - (binfo->rev < 0x41)) { - b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); - b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); - msleep(1); - } + if (workaround) { + b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); + b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F); } - b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C); - msleep(1); - b43_radio_write16(dev, B2055_CAL_MISC, 0x3C); - msleep(1); + b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C); + b43_radio_write(dev, B2055_CAL_MISC, 0x3C); b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE); - msleep(1); b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80); - msleep(1); b43_radio_set(dev, B2055_CAL_MISC, 0x1); msleep(1); b43_radio_set(dev, B2055_CAL_MISC, 0x40); - msleep(1); - for (i = 0; i < 100; i++) { - val = b43_radio_read16(dev, B2055_CAL_COUT2); - if (val & 0x80) + for (i = 0; i < 200; i++) { + val = b43_radio_read(dev, B2055_CAL_COUT2); + if (val & 0x80) { + i = 0; break; + } udelay(10); } - msleep(1); + if (i) + b43err(dev->wl, "radio post init timeout\n"); b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F); - msleep(1); nphy_channel_switch(dev, dev->phy.channel); - b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9); - b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9); - b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83); - b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83); + b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9); + b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9); + b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83); + b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83); + b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6); + b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6); + if (!nphy->gain_boost) { + b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2); + b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2); + } else { + b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD); + b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD); + } + udelay(2); } /* -- 2.20.1