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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 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7955de0c

drivers/net/wireless/b43/phy_n.c

+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;