Exemplo n.º 1
0
static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
				const struct b43_phy_ht_channeltab_e_phy *e,
				struct ieee80211_channel *new_channel)
{
	if (new_channel->band == NL80211_BAND_5GHZ) {
		/* Switch to 2 GHz for a moment to access B-PHY regs */
		b43_phy_mask(dev, B43_PHY_HT_BANDCTL, ~B43_PHY_HT_BANDCTL_5GHZ);

		b43_phy_ht_bphy_reset(dev, true);

		/* Switch to 5 GHz */
		b43_phy_set(dev, B43_PHY_HT_BANDCTL, B43_PHY_HT_BANDCTL_5GHZ);
	} else {
		/* Switch to 2 GHz */
		b43_phy_mask(dev, B43_PHY_HT_BANDCTL, ~B43_PHY_HT_BANDCTL_5GHZ);

		b43_phy_ht_bphy_reset(dev, false);
	}

	b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1);
	b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2);
	b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3);
	b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4);
	b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5);
	b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6);

	if (new_channel->hw_value == 14) {
		b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, 0);
		b43_phy_set(dev, B43_PHY_HT_TEST, 0x0800);
	} else {
		b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN,
				      B43_PHY_HT_CLASS_CTL_OFDM_EN);
		if (new_channel->band == NL80211_BAND_2GHZ)
			b43_phy_mask(dev, B43_PHY_HT_TEST, ~0x840);
	}

	if (1) /* TODO: On N it's for early devices only, what about HT? */
		b43_phy_ht_tx_power_fix(dev);

	b43_phy_ht_spur_avoid(dev, new_channel);

	b43_phy_write(dev, 0x017e, 0x3830);
}
Exemplo n.º 2
0
Arquivo: phy_ht.c Projeto: mbgg/linux
static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
				const struct b43_phy_ht_channeltab_e_phy *e,
				struct ieee80211_channel *new_channel)
{
	bool old_band_5ghz;

	old_band_5ghz = b43_phy_read(dev, B43_PHY_HT_BANDCTL) & 0; /* FIXME */
	if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
		/* TODO */
	} else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
		/* TODO */
	}

	b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1);
	b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2);
	b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3);
	b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4);
	b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5);
	b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6);

	if (new_channel->hw_value == 14) {
		b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, 0);
		b43_phy_set(dev, B43_PHY_HT_TEST, 0x0800);
	} else {
		b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN,
				      B43_PHY_HT_CLASS_CTL_OFDM_EN);
		if (new_channel->band == IEEE80211_BAND_2GHZ)
			b43_phy_mask(dev, B43_PHY_HT_TEST, ~0x840);
	}

	if (1) /* TODO: On N it's for early devices only, what about HT? */
		b43_phy_ht_tx_power_fix(dev);

	b43_phy_ht_spur_avoid(dev, new_channel);

	b43_phy_write(dev, 0x017e, 0x3830);
}