b43: Add LP 2062 radio init
This adds initialization code for the 2062 radio.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 3c7be83..99cc973 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -91,7 +91,7 @@
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 @@
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 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)