diff options
Diffstat (limited to 'drivers')
| -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 */ |