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path: root/drivers/net/wireless/b43/phy_lp.c
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Diffstat (limited to 'drivers/net/wireless/b43/phy_lp.c')
-rw-r--r--drivers/net/wireless/b43/phy_lp.c129
1 files changed, 70 insertions, 59 deletions
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 2d3a5d812c42..1ab00b034cbd 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -182,8 +182,8 @@ static void lpphy_adjust_gain_table(struct b43_wldev *dev, u32 freq)
temp[1] = temp[0] + 0x1000;
temp[2] = temp[0] + 0x2000;
- b43_lptab_write_bulk(dev, B43_LPTAB16(12, 0), 3, temp);
b43_lptab_write_bulk(dev, B43_LPTAB16(13, 0), 3, temp);
+ b43_lptab_write_bulk(dev, B43_LPTAB16(12, 0), 3, temp);
}
static void lpphy_table_init(struct b43_wldev *dev)
@@ -223,8 +223,8 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev)
b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0x0006);
b43_phy_mask(dev, B43_LPPHY_RX_RADIO_CTL, 0xFFFE);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x0005);
- b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFC10, 0x0180);
- b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x3800);
+ b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFC1F, 0x0180);
+ b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x3C00);
b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xFFF0, 0x0005);
b43_phy_maskset(dev, B43_LPPHY_GAIN_MISMATCH_LIMIT, 0xFFC0, 0x001A);
b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0xFF00, 0x00B3);
@@ -234,19 +234,15 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev)
if ((bus->sprom.boardflags_lo & B43_BFL_FEM) &&
((b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
(bus->sprom.boardflags_hi & B43_BFH_PAREF))) {
- /* TODO:
- * Set the LDO voltage to 0x0028 - FIXME: What is this?
- * Call sb_pmu_set_ldo_voltage with 4 and the LDO voltage
- * as arguments
- * Call sb_pmu_paref_ldo_enable with argument TRUE
- */
+ ssb_pmu_set_ldo_voltage(&bus->chipco, LDO_PAREF, 0x28);
+ ssb_pmu_set_ldo_paref(&bus->chipco, true);
if (dev->phy.rev == 0) {
b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT,
0xFFCF, 0x0010);
}
b43_lptab_write(dev, B43_LPTAB16(11, 7), 60);
} else {
- //TODO: Call ssb_pmu_paref_ldo_enable with argument FALSE
+ ssb_pmu_set_ldo_paref(&bus->chipco, false);
b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT,
0xFFCF, 0x0020);
b43_lptab_write(dev, B43_LPTAB16(11, 7), 100);
@@ -340,11 +336,11 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev)
if (dev->phy.rev == 1) {
tmp = b43_phy_read(dev, B43_LPPHY_CLIPCTRTHRESH);
tmp2 = (tmp & 0x03E0) >> 5;
- tmp2 |= tmp << 5;
+ tmp2 |= tmp2 << 5;
b43_phy_write(dev, B43_LPPHY_4C3, tmp2);
- tmp = b43_phy_read(dev, B43_LPPHY_OFDMSYNCTHRESH0);
+ tmp = b43_phy_read(dev, B43_LPPHY_GAINDIRECTMISMATCH);
tmp2 = (tmp & 0x1F00) >> 8;
- tmp2 |= tmp << 5;
+ tmp2 |= tmp2 << 5;
b43_phy_write(dev, B43_LPPHY_4C4, tmp2);
tmp = b43_phy_read(dev, B43_LPPHY_VERYLOWGAINDB);
tmp2 = tmp & 0x00FF;
@@ -705,7 +701,7 @@ static void lpphy_set_rc_cap(struct b43_wldev *dev)
u8 rc_cap = (lpphy->rc_cap & 0x1F) >> 1;
if (dev->phy.rev == 1) //FIXME check channel 14!
- rc_cap = max_t(u8, rc_cap + 5, 15);
+ rc_cap = min_t(u8, rc_cap + 5, 15);
b43_radio_write(dev, B2062_N_RXBB_CALIB2,
max_t(u8, lpphy->rc_cap - 4, 0x80));
@@ -761,7 +757,7 @@ static void lpphy_disable_crs(struct b43_wldev *dev, bool user)
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFB);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x4);
- b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFF7);
+ b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFF7);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x8);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x10);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10);
@@ -956,7 +952,7 @@ static void lpphy_run_ddfs(struct b43_wldev *dev, int i_on, int q_on,
b43_phy_maskset(dev, B43_LPPHY_AFE_DDFS, 0xFF9F, scale_idx << 5);
b43_phy_mask(dev, B43_LPPHY_AFE_DDFS, 0xFFFB);
b43_phy_set(dev, B43_LPPHY_AFE_DDFS, 0x2);
- b43_phy_set(dev, B43_LPPHY_AFE_DDFS, 0x20);
+ b43_phy_set(dev, B43_LPPHY_LP_PHY_CTL, 0x20);
}
static bool lpphy_rx_iq_est(struct b43_wldev *dev, u16 samples, u8 time,
@@ -968,7 +964,7 @@ static bool lpphy_rx_iq_est(struct b43_wldev *dev, u16 samples, u8 time,
b43_phy_write(dev, B43_LPPHY_IQ_NUM_SMPLS_ADDR, samples);
b43_phy_maskset(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR, 0xFF00, time);
b43_phy_mask(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR, 0xFEFF);
- b43_phy_set(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR, 0xFDFF);
+ b43_phy_set(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR, 0x200);
for (i = 0; i < 500; i++) {
if (!(b43_phy_read(dev,
@@ -1008,6 +1004,7 @@ static int lpphy_loopback(struct b43_wldev *dev)
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x3);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+ b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 1);
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x800);
@@ -1031,9 +1028,10 @@ static int lpphy_loopback(struct b43_wldev *dev)
return index;
}
+/* Fixed-point division algorithm using only integer math. */
static u32 lpphy_qdiv_roundup(u32 dividend, u32 divisor, u8 precision)
{
- u32 quotient, remainder, rbit, roundup, tmp;
+ u32 quotient, remainder;
if (divisor == 0)
return 0;
@@ -1041,20 +1039,16 @@ static u32 lpphy_qdiv_roundup(u32 dividend, u32 divisor, u8 precision)
quotient = dividend / divisor;
remainder = dividend % divisor;
- rbit = divisor & 0x1;
- roundup = (divisor >> 1) + rbit;
-
- while (precision != 0) {
- tmp = remainder - roundup;
+ while (precision > 0) {
quotient <<= 1;
- if (remainder >= roundup)
- remainder = (tmp << 1) + rbit;
- else
- remainder <<= 1;
+ if (remainder << 1 >= divisor) {
+ quotient++;
+ remainder = (remainder << 1) - divisor;
+ }
precision--;
}
- if (remainder >= roundup)
+ if (remainder << 1 >= divisor)
quotient++;
return quotient;
@@ -1137,9 +1131,9 @@ static void lpphy_set_tx_power_control(struct b43_wldev *dev,
}
if (dev->phy.rev >= 2) {
if (mode == B43_LPPHY_TXPCTL_HW)
- b43_phy_maskset(dev, B43_PHY_OFDM(0xD0), 0xFD, 0x2);
+ b43_phy_set(dev, B43_PHY_OFDM(0xD0), 0x2);
else
- b43_phy_maskset(dev, B43_PHY_OFDM(0xD0), 0xFD, 0);
+ b43_phy_mask(dev, B43_PHY_OFDM(0xD0), 0xFFFD);
}
lpphy_write_tx_pctl_mode_to_hardware(dev);
}
@@ -1171,7 +1165,7 @@ static void lpphy_rev0_1_rc_calib(struct b43_wldev *dev)
err = b43_lpphy_op_switch_channel(dev, 7);
if (err) {
b43dbg(dev->wl,
- "RC calib: Failed to switch to channel 7, error = %d",
+ "RC calib: Failed to switch to channel 7, error = %d\n",
err);
}
old_txg_ovr = !!(b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40);
@@ -1213,7 +1207,7 @@ static void lpphy_rev0_1_rc_calib(struct b43_wldev *dev)
mean_sq_pwr = ideal_pwr - normal_pwr;
mean_sq_pwr *= mean_sq_pwr;
inner_sum += mean_sq_pwr;
- if ((i = 128) || (inner_sum < mean_sq_pwr_min)) {
+ if ((i == 128) || (inner_sum < mean_sq_pwr_min)) {
lpphy->rc_cap = i;
mean_sq_pwr_min = inner_sum;
}
@@ -1506,6 +1500,14 @@ static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
b43_write16(dev, B43_MMIO_PHY_DATA, value);
}
+static void b43_lpphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
+ u16 set)
+{
+ b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
+ b43_write16(dev, B43_MMIO_PHY_DATA,
+ (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
+}
+
static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
/* Register 1 is a 32-bit register. */
@@ -1922,8 +1924,8 @@ static void lpphy_b2062_reset_pll_bias(struct b43_wldev *dev)
static void lpphy_b2062_vco_calib(struct b43_wldev *dev)
{
- b43_phy_write(dev, B2062_S_RFPLL_CTL21, 0x42);
- b43_phy_write(dev, B2062_S_RFPLL_CTL21, 0x62);
+ b43_radio_write(dev, B2062_S_RFPLL_CTL21, 0x42);
+ b43_radio_write(dev, B2062_S_RFPLL_CTL21, 0x62);
udelay(200);
}
@@ -1982,7 +1984,7 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
tmp6 = tmp5 / tmp4;
tmp7 = tmp5 % tmp4;
b43_radio_write(dev, B2062_S_RFPLL_CTL29, tmp6 + ((2 * tmp7) / tmp4));
- tmp8 = b43_phy_read(dev, B2062_S_RFPLL_CTL19);
+ tmp8 = b43_radio_read(dev, B2062_S_RFPLL_CTL19);
tmp9 = ((2 * tmp3 * (tmp8 + 1)) + (3 * tmp1)) / (6 * tmp1);
b43_radio_write(dev, B2062_S_RFPLL_CTL23, (tmp9 >> 8) + 16);
b43_radio_write(dev, B2062_S_RFPLL_CTL24, tmp9 & 0xFF);
@@ -2021,17 +2023,17 @@ static void lpphy_b2063_vco_calib(struct b43_wldev *dev)
{
u16 tmp;
- b43_phy_mask(dev, B2063_PLL_SP1, ~0x40);
- tmp = b43_phy_read(dev, B2063_PLL_JTAG_CALNRST) & 0xF8;
- b43_phy_write(dev, B2063_PLL_JTAG_CALNRST, tmp);
+ b43_radio_mask(dev, B2063_PLL_SP1, ~0x40);
+ tmp = b43_radio_read(dev, B2063_PLL_JTAG_CALNRST) & 0xF8;
+ b43_radio_write(dev, B2063_PLL_JTAG_CALNRST, tmp);
udelay(1);
- b43_phy_write(dev, B2063_PLL_JTAG_CALNRST, tmp | 0x4);
+ b43_radio_write(dev, B2063_PLL_JTAG_CALNRST, tmp | 0x4);
udelay(1);
- b43_phy_write(dev, B2063_PLL_JTAG_CALNRST, tmp | 0x6);
+ b43_radio_write(dev, B2063_PLL_JTAG_CALNRST, tmp | 0x6);
udelay(1);
- b43_phy_write(dev, B2063_PLL_JTAG_CALNRST, tmp | 0x7);
+ b43_radio_write(dev, B2063_PLL_JTAG_CALNRST, tmp | 0x7);
udelay(300);
- b43_phy_set(dev, B2063_PLL_SP1, 0x40);
+ b43_radio_set(dev, B2063_PLL_SP1, 0x40);
}
static int lpphy_b2063_tune(struct b43_wldev *dev,
@@ -2126,31 +2128,31 @@ static int lpphy_b2063_tune(struct b43_wldev *dev,
scale = 0;
tmp5 = ((tmp4 + (tmp3 >> 1)) / tmp3) - 8;
}
- b43_phy_maskset(dev, B2063_PLL_JTAG_PLL_CP2, 0xFFC0, tmp5);
- b43_phy_maskset(dev, B2063_PLL_JTAG_PLL_CP2, 0xFFBF, scale << 6);
+ b43_radio_maskset(dev, B2063_PLL_JTAG_PLL_CP2, 0xFFC0, tmp5);
+ b43_radio_maskset(dev, B2063_PLL_JTAG_PLL_CP2, 0xFFBF, scale << 6);
tmp6 = lpphy_qdiv_roundup(100 * val1, val3, 16);
tmp6 *= (tmp5 * 8) * (scale + 1);
if (tmp6 > 150)
tmp6 = 0;
- b43_phy_maskset(dev, B2063_PLL_JTAG_PLL_CP3, 0xFFE0, tmp6);
- b43_phy_maskset(dev, B2063_PLL_JTAG_PLL_CP3, 0xFFDF, scale << 5);
+ b43_radio_maskset(dev, B2063_PLL_JTAG_PLL_CP3, 0xFFE0, tmp6);
+ b43_radio_maskset(dev, B2063_PLL_JTAG_PLL_CP3, 0xFFDF, scale << 5);
- b43_phy_maskset(dev, B2063_PLL_JTAG_PLL_XTAL_12, 0xFFFB, 0x4);
+ b43_radio_maskset(dev, B2063_PLL_JTAG_PLL_XTAL_12, 0xFFFB, 0x4);
if (crystal_freq > 26000000)
- b43_phy_set(dev, B2063_PLL_JTAG_PLL_XTAL_12, 0x2);
+ b43_radio_set(dev, B2063_PLL_JTAG_PLL_XTAL_12, 0x2);
else
- b43_phy_mask(dev, B2063_PLL_JTAG_PLL_XTAL_12, 0xFD);
+ b43_radio_mask(dev, B2063_PLL_JTAG_PLL_XTAL_12, 0xFD);
if (val1 == 45)
- b43_phy_set(dev, B2063_PLL_JTAG_PLL_VCO1, 0x2);
+ b43_radio_set(dev, B2063_PLL_JTAG_PLL_VCO1, 0x2);
else
- b43_phy_mask(dev, B2063_PLL_JTAG_PLL_VCO1, 0xFD);
+ b43_radio_mask(dev, B2063_PLL_JTAG_PLL_VCO1, 0xFD);
- b43_phy_set(dev, B2063_PLL_SP2, 0x3);
+ b43_radio_set(dev, B2063_PLL_SP2, 0x3);
udelay(1);
- b43_phy_mask(dev, B2063_PLL_SP2, 0xFFFC);
+ b43_radio_mask(dev, B2063_PLL_SP2, 0xFFFC);
lpphy_b2063_vco_calib(dev);
b43_radio_write(dev, B2063_COMM15, old_comm15);
@@ -2160,10 +2162,9 @@ static int lpphy_b2063_tune(struct b43_wldev *dev,
static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
unsigned int new_channel)
{
+ struct b43_phy_lp *lpphy = dev->phy.lp;
int err;
- b43_write16(dev, B43_MMIO_CHANNEL, new_channel);
-
if (dev->phy.radio_ver == 0x2063) {
err = lpphy_b2063_tune(dev, new_channel);
if (err)
@@ -2176,6 +2177,9 @@ static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
lpphy_adjust_gain_table(dev, channel2freq_lp(new_channel));
}
+ lpphy->channel = new_channel;
+ b43_write16(dev, B43_MMIO_CHANNEL, new_channel);
+
return 0;
}
@@ -2187,10 +2191,9 @@ static int b43_lpphy_op_init(struct b43_wldev *dev)
lpphy_baseband_init(dev);
lpphy_radio_init(dev);
lpphy_calibrate_rc(dev);
- err = b43_lpphy_op_switch_channel(dev,
- b43_lpphy_op_get_default_chan(dev));
+ err = b43_lpphy_op_switch_channel(dev, 7);
if (err) {
- b43dbg(dev->wl, "Switch to init channel failed, error = %d.\n",
+ b43dbg(dev->wl, "Switch to channel 7 failed, error = %d.\n",
err);
}
lpphy_tx_pctl_init(dev);
@@ -2202,7 +2205,14 @@ static int b43_lpphy_op_init(struct b43_wldev *dev)
static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
{
- //TODO
+ if (dev->phy.rev >= 2)
+ return; // rev2+ doesn't support antenna diversity
+
+ if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1))
+ return;
+
+ b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
+ b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
}
static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev)
@@ -2224,6 +2234,7 @@ const struct b43_phy_operations b43_phyops_lp = {
.init = b43_lpphy_op_init,
.phy_read = b43_lpphy_op_read,
.phy_write = b43_lpphy_op_write,
+ .phy_maskset = b43_lpphy_op_maskset,
.radio_read = b43_lpphy_op_radio_read,
.radio_write = b43_lpphy_op_radio_write,
.software_rfkill = b43_lpphy_op_software_rfkill,
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-03 23:23:25 +0300