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Commit 1b69ec7b authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
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b43: N-PHY: implement chanspec setup

parent 7955de0c
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+62 −0
Original line number Original line Diff line number Diff line
@@ -3282,6 +3282,68 @@ int b43_phy_initn(struct b43_wldev *dev)
	return 0;
	return 0;
}
}


/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry *e,
				struct b43_chanspec chanspec)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = dev->phy.n;

	u16 tmp;
	u32 tmp32;

	tmp = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
	if (chanspec.b_freq == 1 && tmp == 0) {
		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
		b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
		b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
	} else if (chanspec.b_freq == 1) {
		b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
		b43_phy_mask(dev, B43_PHY_B_BBCFG, (u16)~0xC000);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
	}

	b43_chantab_phy_upload(dev, e);

	tmp = chanspec.channel;
	if (chanspec.b_freq == 1)
		tmp |= 0x0100;
	if (chanspec.b_width == 3)
		tmp |= 0x0200;
	b43_shm_write16(dev, B43_SHM_SHARED, 0xA0, tmp);

	if (nphy->radio_chanspec.channel == 14) {
		b43_nphy_classifier(dev, 2, 0);
		b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
	} else {
		b43_nphy_classifier(dev, 2, 2);
		if (chanspec.b_freq == 2)
			b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
	}

	if (nphy->txpwrctrl)
		b43_nphy_tx_power_fix(dev);

	if (dev->phy.rev < 3)
		b43_nphy_adjust_lna_gain_table(dev);

	b43_nphy_tx_lp_fbw(dev);

	if (dev->phy.rev >= 3 && 0) {
		/* TODO */
	}

	b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);

	if (phy->rev >= 3)
		b43_nphy_spur_workaround(dev);
}

static int b43_nphy_op_allocate(struct b43_wldev *dev)
static int b43_nphy_op_allocate(struct b43_wldev *dev)
{
{
	struct b43_phy_n *nphy;
	struct b43_phy_n *nphy;