diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-02-04 13:08:08 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-02-08 16:50:56 -0500 |
| commit | 5f6393ecf5cc7d064ba9172e0a2e1c64bcaaaf2f (patch) | |
| tree | 818b958088881d7d541c65987d73e0cccd9c4787 /drivers/net/wireless | |
| parent | 9442e5b58edb4a108ec5aae420a6fff3a63acab0 (diff) | |
b43: N-PHY: load generated samples
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 74642d43e1f..074b34c3b38 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -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 */ |