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authorRafał Miłecki <zajec5@gmail.com>2010-01-17 13:03:28 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-01-19 16:31:27 -0500
commit026816fce48390807859508cd5172e9c79901ef7 (patch)
treec43174e39ee1c92160827b45ca6d540019b04ced /drivers
parentc6fcf6bcfc3cfc1c00cc7fd9610cfa2b1a18041f (diff)
b43: N-PHY: implement RX PHY cleanup and setup
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/b43/phy_n.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 4a817e3da16..a1dd381c6c6 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -480,6 +480,88 @@ static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
}
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
+static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
+{
+ u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
+
+ b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
+ if (core == 0) {
+ b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
+ } else {
+ b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
+ b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
+ }
+ b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
+ b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
+ b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
+ b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
+ b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
+static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
+{
+ u8 rxval, txval;
+ u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
+
+ regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
+ if (core == 0) {
+ regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
+ regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
+ } else {
+ regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
+ regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
+ }
+ regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
+ regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
+ regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
+ regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
+ regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
+ regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
+ regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
+ regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
+
+ b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
+ b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
+
+ b43_phy_maskset(dev, B43_NPHY_RFSEQCA, (u16)~B43_NPHY_RFSEQCA_RXDIS,
+ ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
+ b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
+ ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
+ b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
+ (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
+ b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
+ (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
+
+ if (core == 0) {
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
+ } else {
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
+ }
+
+ /* TODO: Call N PHY RF Ctrl Intc Override with 2, 0, 3 as arguments */
+ /* TODO: Call N PHY RF Intc Override with 8, 0, 3, 0 as arguments */
+ /* TODO: Call N PHY RF Seq with 0 as argument */
+
+ if (core == 0) {
+ rxval = 1;
+ txval = 8;
+ } else {
+ rxval = 4;
+ txval = 2;
+ }
+
+ /* TODO: Call N PHY RF Ctrl Intc Override with 1, rxval, (core + 1) */
+ /* TODO: Call N PHY RF Ctrl Intc Override with 1, txval, (2 - core) */
+}
+
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
{