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Commit a3764ef7 authored by Rafał Miłecki's avatar Rafał Miłecki
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b43: N-PHY: use enum for RSSI type everywhere we use it 

Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
parent 2a2d0589
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Showing with 61 additions and 43 deletions
drivers/net/wireless/b43/phy_n.c
View file @ a3764ef7
......@@ -1289,7 +1289,8 @@ static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
}
}
static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code,
enum n_rssi_type rssi_type)
{
u8 i;
u16 reg, val;
......@@ -1312,7 +1313,9 @@ static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
if (type < 3) {
if (rssi_type == N_RSSI_W1 ||
rssi_type == N_RSSI_W2 ||
rssi_type == N_RSSI_NB) {
reg = (i == 0) ?
B43_NPHY_AFECTL_C1 :
B43_NPHY_AFECTL_C2;
......@@ -1323,9 +1326,9 @@ static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
B43_NPHY_RFCTL_LUT_TRSW_UP2;
b43_phy_maskset(dev, reg, 0xFFC3, 0);
if (type == 0)
if (rssi_type == N_RSSI_W1)
val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
else if (type == 1)
else if (rssi_type == N_RSSI_W2)
val = 16;
else
val = 32;
......@@ -1336,9 +1339,9 @@ static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
B43_NPHY_TXF_40CO_B32S1;
b43_phy_set(dev, reg, 0x0020);
} else {
if (type == 6)
if (rssi_type == N_RSSI_TBD)
val = 0x0100;
else if (type == 3)
else if (rssi_type == N_RSSI_IQ)
val = 0x0200;
else
val = 0x0300;
......@@ -1350,7 +1353,8 @@ static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
b43_phy_maskset(dev, reg, 0xFCFF, val);
b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
if (type != 3 && type != 6) {
if (rssi_type != N_RSSI_IQ &&
rssi_type != N_RSSI_TBD) {
enum ieee80211_band band =
b43_current_band(dev->wl);
......@@ -1372,33 +1376,43 @@ static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
}
}
static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code,
enum n_rssi_type rssi_type)
{
u16 val;
bool rssi_w1_w2_nb = false;
if (type < 3)
switch (rssi_type) {
case N_RSSI_W1:
case N_RSSI_W2:
case N_RSSI_NB:
val = 0;
else if (type == 6)
rssi_w1_w2_nb = true;
break;
case N_RSSI_TBD:
val = 1;
else if (type == 3)
break;
case N_RSSI_IQ:
val = 2;
else
break;
default:
val = 3;
}
val = (val << 12) | (val << 14);
b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
if (type < 3) {
if (rssi_w1_w2_nb) {
b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
(type + 1) << 4);
(rssi_type + 1) << 4);
b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
(type + 1) << 4);
(rssi_type + 1) << 4);
}
if (code == 0) {
b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
if (type < 3) {
if (rssi_w1_w2_nb) {
b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
~(B43_NPHY_RFCTL_CMD_RXEN |
B43_NPHY_RFCTL_CMD_CORESEL));
......@@ -1414,7 +1428,7 @@ static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
}
} else {
b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
if (type < 3) {
if (rssi_w1_w2_nb) {
b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
~(B43_NPHY_RFCTL_CMD_RXEN |
B43_NPHY_RFCTL_CMD_CORESEL),
......@@ -1434,7 +1448,8 @@ static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code,
enum n_rssi_type type)
{
if (dev->phy.rev >= 3)
b43_nphy_rev3_rssi_select(dev, code, type);
......@@ -1443,11 +1458,12 @@ static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev,
enum n_rssi_type rssi_type, u8 *buf)
{
int i;
for (i = 0; i < 2; i++) {
if (type == 2) {
if (rssi_type == N_RSSI_NB) {
if (i == 0) {
b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
0xFC, buf[0]);
......@@ -1471,8 +1487,8 @@ static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
u8 nsamp)
static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type,
s32 *buf, u8 nsamp)
{
int i;
int out;
......@@ -1503,7 +1519,7 @@ static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
save_regs_phy[8] = 0;
}
b43_nphy_rssi_select(dev, 5, type);
b43_nphy_rssi_select(dev, 5, rssi_type);
if (dev->phy.rev < 2) {
save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
......@@ -1622,14 +1638,16 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
if (!(rx_core_state & (1 << core)))
continue;
r = core ? B2056_RX1 : B2056_RX0;
b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I, 2);
b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q, 2);
b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I,
N_RSSI_NB);
b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q,
N_RSSI_NB);
/* Grab RSSI results for every possible VCM */
for (vcm = 0; vcm < 8; vcm++) {
b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
vcm << 2);
b43_nphy_poll_rssi(dev, 2, results[vcm], 8);
b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8);
}
/* Find out which VCM got the best results */
......@@ -1671,7 +1689,7 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
b43_nphy_scale_offset_rssi(dev, 0, offset[i],
(i / 2 == 0) ? 1 : 2,
(i % 2 == 0) ? N_RAIL_I : N_RAIL_Q,
2);
N_RSSI_NB);
}
}
......@@ -1749,7 +1767,7 @@ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type)
{
int i, j, vcm;
u8 state[4];
......@@ -1769,10 +1787,10 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
s32 results[4][4] = { };
s32 miniq[4][2] = { };
if (type == 2) {
if (type == N_RSSI_NB) {
code = 0;
val = 6;
} else if (type < 2) {
} else if (type == N_RSSI_W1 || type == N_RSSI_W2) {
code = 25;
val = 4;
} else {
......@@ -1815,10 +1833,10 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
u8 tmp[4];
for (j = 0; j < 4; j++)
tmp[j] = vcm;
if (type != 1)
if (type != N_RSSI_W2)
b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
b43_nphy_poll_rssi(dev, type, results[vcm], 8);
if (type < 2)
if (type == N_RSSI_W1 || type == N_RSSI_W2)
for (j = 0; j < 2; j++)
miniq[vcm][j] = min(results[vcm][2 * j],
results[vcm][2 * j + 1]);
......@@ -1830,7 +1848,7 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
s32 minpoll = 249;
s32 currd;
for (vcm = 0; vcm < 4; vcm++) {
if (type == 2)
if (type == N_RSSI_NB)
currd = abs(results[vcm][i]);
else
currd = abs(miniq[vcm][i / 2] - code * 8);
......@@ -1847,7 +1865,7 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
vcm_final[i] = minvcm;
}
if (type != 1)
if (type != N_RSSI_W2)
b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
for (i = 0; i < 4; i++) {
......@@ -1873,28 +1891,28 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
switch (state[2]) {
case 1:
b43_nphy_rssi_select(dev, 1, 2);
b43_nphy_rssi_select(dev, 1, N_RSSI_NB);
break;
case 4:
b43_nphy_rssi_select(dev, 1, 0);
b43_nphy_rssi_select(dev, 1, N_RSSI_W1);
break;
case 2:
b43_nphy_rssi_select(dev, 1, 1);
b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
break;
default:
b43_nphy_rssi_select(dev, 1, 1);
b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
break;
}
switch (state[3]) {
case 1:
b43_nphy_rssi_select(dev, 2, 2);
b43_nphy_rssi_select(dev, 2, N_RSSI_NB);
break;
case 4:
b43_nphy_rssi_select(dev, 2, 0);
b43_nphy_rssi_select(dev, 2, N_RSSI_W1);
break;
default:
b43_nphy_rssi_select(dev, 2, 1);
b43_nphy_rssi_select(dev, 2, N_RSSI_W2);
break;
}
......@@ -3153,9 +3171,9 @@ static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
b43_nphy_stop_playback(dev);
b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
udelay(20);
tmp = b43_nphy_poll_rssi(dev, 4, rssi, 1);
tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1);
b43_nphy_stop_playback(dev);
b43_nphy_rssi_select(dev, 0, 0);
b43_nphy_rssi_select(dev, 0, N_RSSI_W1);
if (phy->rev >= 7)
b43_nphy_rf_control_override_rev7(dev, 0x2000, 0, 3, true, 0);
......
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