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b43: N-PHY: load generated 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 2010-02-04 13:08:08 +01:00 committed by John W. Linville
parent 9442e5b58e
commit 5f6393ecf5
1 changed files with 29 additions and 2 deletions
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31
drivers/net/wireless/b43/phy_n.c
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@ -1017,6 +1017,33 @@ static void b43_nphy_workarounds(struct b43_wldev *dev)
b43_nphy_stay_in_carrier_search(dev, 0);
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
static int b43_nphy_load_samples(struct b43_wldev *dev,
struct b43_c32 *samples, u16 len) {
struct b43_phy_n *nphy = dev->phy.n;
u16 i;
u32 *data;
data = kzalloc(len * sizeof(u32), GFP_KERNEL);
if (!data) {
b43err(dev->wl, "allocation for samples loading failed\n");
return -ENOMEM;
}
if (nphy->hang_avoid)
b43_nphy_stay_in_carrier_search(dev, 1);
for (i = 0; i < len; i++) {
data[i] = (samples[i].i & 0x3FF << 10);
data[i] |= samples[i].q & 0x3FF;
}
b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
kfree(data);
if (nphy->hang_avoid)
b43_nphy_stay_in_carrier_search(dev, 0);
return 0;
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
bool test)
@ -1052,9 +1079,9 @@ static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
samples[i].i = CORDIC_CONVERT(samples[i].i * max);
}
/* TODO: Call N PHY Load Sample Table with buffer, len as arguments */
i = b43_nphy_load_samples(dev, samples, len);
kfree(samples);
return len;
return (i < 0) ? 0 : len;
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */