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b43: N-PHY: add running samples

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2010-01-22 01:53:14 +01:00 committed by John W. Linville
parent 75377b2476
commit 10a798733e
1 changed files with 64 additions and 4 deletions
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68
drivers/net/wireless/b43/phy_n.c
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@ -816,6 +816,66 @@ static void b43_nphy_stop_playback(struct b43_wldev *dev)
b43_nphy_stay_in_carrier_search(dev, 0);
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
u16 wait, bool iqmode, bool dac_test)
{
struct b43_phy_n *nphy = dev->phy.n;
int i;
u16 seq_mode;
u32 tmp;
if (nphy->hang_avoid)
b43_nphy_stay_in_carrier_search(dev, true);
if ((nphy->bb_mult_save & 0x80000000) == 0) {
tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
}
if (!dev->phy.is_40mhz)
tmp = 0x6464;
else
tmp = 0x4747;
b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
if (nphy->hang_avoid)
b43_nphy_stay_in_carrier_search(dev, false);
b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
if (loops != 0xFFFF)
b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
else
b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
if (iqmode) {
b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
} else {
if (dac_test)
b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
else
b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
}
for (i = 0; i < 100; i++) {
if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
i = 0;
break;
}
udelay(10);
}
if (i)
b43err(dev->wl, "run samples timeout\n");
b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
{
@ -1869,8 +1929,8 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
freq = 5000;
if (nphy->mphase_cal_phase_id > 2)
;/* TODO: Call N PHY Run Samples with (band width * 8),
0xFFFF, 0, 1, 0 as arguments */
b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
0xFFFF, 0, true, false);
else
;/* TODO: Call N PHY TX Tone with freq, 250, 1, 0 as arguments
and save result as error */
@ -2162,8 +2222,8 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
as arguments and save result as ret */
playtone = false;
} else {
/* TODO: Call N PHY Run Samples with 160,
0xFFFF, 0, 0, 0 as arguments */
b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
false, false);
}
if (ret == 0) {