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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>
hifive-unleashed-5.1
Rafał Miłecki 2010-01-17 13:03:28 +01:00 committed by John W. Linville
parent c6fcf6bcfc
commit 026816fce4
1 changed files with 82 additions and 0 deletions
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82
drivers/net/wireless/b43/phy_n.c
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@ -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)
{