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Commit de7ed0c6 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
Browse files

b43: N-PHY: update TX calibration ladder 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent c4a92003

drivers/net/wireless/b43/phy_n.c

+25 −0
Original line number Diff line number Diff line
@@ -1216,6 +1216,31 @@ static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev) 
	}

}



/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */

static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)

{

	struct b43_phy_n *nphy = dev->phy.n;

	int i;

	u16 scale, entry;



	u16 tmp = nphy->txcal_bbmult;

	if (core == 0)

		tmp >>= 8;

	tmp &= 0xff;



	for (i = 0; i < 18; i++) {

		scale = (ladder_lo[i].percent * tmp) / 100;

		entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;

		/* TODO: Write an N PHY Table with ID 15, length 1,

			offset i, width 16, and data entry */



		scale = (ladder_iq[i].percent * tmp) / 100;

		entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;

		/* TODO: Write an N PHY Table with ID 15, length 1,

			offset i + 32, width 16, and data entry */

	}

}



/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */

static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)

{