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Commit 24b5bcc6 authored by Michael Buesch's avatar Michael Buesch Committed by John W. Linville
Browse files

b43: Add LP 2062 radio init



This adds initialization code for the 2062 radio.

Signed-off-by: default avatarMichael Buesch <mb@bu3sch.de>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 6c1bb927
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+108 −3
Original line number Diff line number Diff line
@@ -91,7 +91,7 @@ static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev)
	b43_phy_set(dev, B43_PHY_OFDM(0x10A), 0x1);
	b43_phy_maskset(dev, B43_LPPHY_CCKLMSSTEPSIZE, 0xFF01, 0x10);
	b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0xFF00, 0xF4);
	b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0x00FF, 0xF100);//FIXME specs are different
	b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0x00FF, 0xF100);
	b43_phy_write(dev, B43_LPPHY_CLIPTHRESH, 0x48);
	b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0xFF00, 0x46);
	b43_phy_maskset(dev, B43_PHY_OFDM(0xE4), 0xFF00, 0x10);
@@ -155,11 +155,114 @@ static void lpphy_baseband_init(struct b43_wldev *dev)
		lpphy_baseband_rev0_1_init(dev);
}

static void lpphy_radio_init(struct b43_wldev *dev)
struct b2062_freqdata {
	u16 freq;
	u8 data[6];
};

/* Initialize the 2062 radio. */
static void lpphy_2062_init(struct b43_wldev *dev)
{
	u32 crystalfreq, pdiv, tmp, ref;
	unsigned int i;
	const struct b2062_freqdata *fd = NULL;

	static const struct b2062_freqdata freqdata_tab[] = {
		{ .freq = 12000, .data[0] =  6, .data[1] =  6, .data[2] =  6,
				 .data[3] =  6, .data[4] = 10, .data[5] =  6, },
		{ .freq = 13000, .data[0] =  4, .data[1] =  4, .data[2] =  4,
				 .data[3] =  4, .data[4] = 11, .data[5] =  7, },
		{ .freq = 14400, .data[0] =  3, .data[1] =  3, .data[2] =  3,
				 .data[3] =  3, .data[4] = 12, .data[5] =  7, },
		{ .freq = 16200, .data[0] =  3, .data[1] =  3, .data[2] =  3,
				 .data[3] =  3, .data[4] = 13, .data[5] =  8, },
		{ .freq = 18000, .data[0] =  2, .data[1] =  2, .data[2] =  2,
				 .data[3] =  2, .data[4] = 14, .data[5] =  8, },
		{ .freq = 19200, .data[0] =  1, .data[1] =  1, .data[2] =  1,
				 .data[3] =  1, .data[4] = 14, .data[5] =  9, },
	};

	b2062_upload_init_table(dev);

	b43_radio_write(dev, B2062_N_TX_CTL3, 0);
	b43_radio_write(dev, B2062_N_TX_CTL4, 0);
	b43_radio_write(dev, B2062_N_TX_CTL5, 0);
	b43_radio_write(dev, B2062_N_PDN_CTL0, 0x40);
	b43_radio_write(dev, B2062_N_PDN_CTL0, 0);
	b43_radio_write(dev, B2062_N_CALIB_TS, 0x10);
	b43_radio_write(dev, B2062_N_CALIB_TS, 0);
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		b43_radio_set(dev, B2062_N_TSSI_CTL0, 0x1);
	else
		b43_radio_mask(dev, B2062_N_TSSI_CTL0, ~0x1);

	crystalfreq = 0;//FIXME

	if (crystalfreq >= 30000000) {
		pdiv = 1;
		b43_radio_mask(dev, B2062_S_RFPLL_CTL1, 0xFFFB);
	} else {
		pdiv = 2;
		b43_radio_set(dev, B2062_S_RFPLL_CTL1, 0x4);
	}

	tmp = (800000000 * pdiv + crystalfreq) / (32000000 * pdiv);
	tmp = (tmp - 1) & 0xFF;
	b43_radio_write(dev, B2062_S_RFPLL_CTL18, tmp);

	tmp = (2 * crystalfreq + 1000000 * pdiv) / (2000000 * pdiv);
	tmp = ((tmp & 0xFF) - 1) & 0xFFFF;
	b43_radio_write(dev, B2062_S_RFPLL_CTL19, tmp);

	ref = (1000 * pdiv + 2 * crystalfreq) / (2000 * pdiv);
	ref &= 0xFFFF;
	for (i = 0; i < ARRAY_SIZE(freqdata_tab); i++) {
		if (ref < freqdata_tab[i].freq) {
			fd = &freqdata_tab[i];
			break;
		}
	}
	if (B43_WARN_ON(!fd))
		return;

	b43_radio_write(dev, B2062_S_RFPLL_CTL8,
			((u16)(fd->data[1]) << 4) | fd->data[0]);
	b43_radio_write(dev, B2062_S_RFPLL_CTL9,
			((u16)(fd->data[3]) << 4) | fd->data[2]);//FIXME specs are different
	b43_radio_write(dev, B2062_S_RFPLL_CTL10, fd->data[4]);
	b43_radio_write(dev, B2062_S_RFPLL_CTL11, fd->data[5]);
}

/* Initialize the 2063 radio. */
static void lpphy_2063_init(struct b43_wldev *dev)
{
	//TODO
}

static void lpphy_sync_stx(struct b43_wldev *dev)
{
	//TODO
}

static void lpphy_radio_init(struct b43_wldev *dev)
{
	/* The radio is attached through the 4wire bus. */
	b43_phy_set(dev, B43_LPPHY_FOURWIRE_CTL, 0x2);
	udelay(1);
	b43_phy_mask(dev, B43_LPPHY_FOURWIRE_CTL, 0xFFFD);
	udelay(1);

	if (dev->phy.rev < 2) {
		lpphy_2062_init(dev);
	} else {
		lpphy_2063_init(dev);
		lpphy_sync_stx(dev);
		b43_phy_write(dev, B43_PHY_OFDM(0xF0), 0x5F80);
		b43_phy_write(dev, B43_PHY_OFDM(0xF1), 0);
		//TODO Do something on the backplane
	}
}

static int b43_lpphy_op_init(struct b43_wldev *dev)
{
	/* TODO: band SPROM */
@@ -222,7 +325,9 @@ static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,

static unsigned int b43_lpphy_op_get_default_chan(struct b43_wldev *dev)
{
	return 1; /* Default to channel 1 */
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		return 1;
	return 36;
}

static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
+1 −1
Original line number Diff line number Diff line
@@ -273,7 +273,7 @@
#define B43_LPPHY_TRLOOKUP4			B43_PHY_OFDM(0xBC) /* TRLookup4 */
#define B43_LPPHY_RADAR_FIFO_STAT		B43_PHY_OFDM(0xBD) /* Radar FIFO Status */
#define B43_LPPHY_GPIO_OUTEN			B43_PHY_OFDM(0xBE) /* GPIO Out enable */
#define B43_LPPHY_GPOI_SELECT			B43_PHY_OFDM(0xBF) /* GPOI Select */
#define B43_LPPHY_GPIO_SELECT			B43_PHY_OFDM(0xBF) /* GPIO Select */
#define B43_LPPHY_GPIO_OUT			B43_PHY_OFDM(0xC0) /* GPIO Out */


+244 −0

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+2 −0
Original line number Diff line number Diff line
@@ -17,5 +17,7 @@
u32 b43_lptab_read(struct b43_wldev *dev, u32 offset);
void b43_lptab_write(struct b43_wldev *dev, u32 offset, u32 value);

void b2062_upload_init_table(struct b43_wldev *dev);


#endif /* B43_TABLES_LPPHY_H_ */