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Commit 5f6393ec authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
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b43: N-PHY: load generated samples 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 9442e5b5

drivers/net/wireless/b43/phy_n.c

+29 −2
Original line number Diff line number Diff line
@@ -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 */