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b43: N-PHY: add helper for getting gain table

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Also move the code to tables file.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki
2012-01-03 22:49:17 +01:00
committed by John W. Linville
parent d3fd8bf77a
commit aeab57517c
3 changed files with 63 additions and 93 deletions
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81
drivers/net/wireless/b43/phy_n.c
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@@ -85,24 +85,6 @@ static inline bool b43_nphy_ipa(struct b43_wldev *dev)
(dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
{
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if (dev->phy.rev >= 6) {
if (dev->dev->chip_id == 47162)
return txpwrctrl_tx_gain_ipa_rev5;
return txpwrctrl_tx_gain_ipa_rev6;
} else if (dev->phy.rev >= 5) {
return txpwrctrl_tx_gain_ipa_rev5;
} else {
return txpwrctrl_tx_gain_ipa;
}
} else {
return txpwrctrl_tx_gain_ipa_5g;
}
}
/**************************************************
* RF (just without b43_nphy_rf_control_intc_override)
**************************************************/
@@ -2229,27 +2211,12 @@ static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
*/
for (i = 0; i < 2; i++) {
if (dev->phy.rev >= 3) {
if (b43_nphy_ipa(dev)) {
txgain = *(b43_nphy_get_ipa_gain_table(dev) +
txpi[i]);
} else if (b43_current_band(dev->wl) ==
IEEE80211_BAND_5GHZ) {
/* FIXME: use 5GHz tables */
txgain =
b43_ntab_tx_gain_rev3plus_2ghz[txpi[i]];
} else {
if (dev->phy.rev >= 5 &&
sprom->fem.ghz5.extpa_gain == 3)
; /* FIXME: 5GHz_txgain_HiPwrEPA */
txgain =
b43_ntab_tx_gain_rev3plus_2ghz[txpi[i]];
}
txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);
if (dev->phy.rev >= 3)
radio_gain = (txgain >> 16) & 0x1FFFF;
} else {
txgain = b43_ntab_tx_gain_rev0_1_2[txpi[i]];
else
radio_gain = (txgain >> 16) & 0x1FFF;
}
if (dev->phy.rev >= 7)
dac_gain = (txgain >> 8) & 0x7;
@@ -2647,24 +2614,7 @@ static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
int i;
#endif
if (phy->rev >= 3) {
if (b43_nphy_ipa(dev)) {
table = b43_nphy_get_ipa_gain_table(dev);
} else {
if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
if (phy->rev == 3)
table = b43_ntab_tx_gain_rev3_5ghz;
if (phy->rev == 4)
table = b43_ntab_tx_gain_rev4_5ghz;
else
table = b43_ntab_tx_gain_rev5plus_5ghz;
} else {
table = b43_ntab_tx_gain_rev3plus_2ghz;
}
}
} else {
table = b43_ntab_tx_gain_rev0_1_2;
}
table = b43_nphy_get_tx_gain_table(dev);
b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
@@ -3354,32 +3304,13 @@ static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
for (i = 0; i < 2; ++i) {
table = b43_nphy_get_tx_gain_table(dev);
if (dev->phy.rev >= 3) {
enum ieee80211_band band =
b43_current_band(dev->wl);
if (b43_nphy_ipa(dev)) {
table = b43_nphy_get_ipa_gain_table(dev);
} else {
if (band == IEEE80211_BAND_5GHZ) {
if (dev->phy.rev == 3)
table = b43_ntab_tx_gain_rev3_5ghz;
else if (dev->phy.rev == 4)
table = b43_ntab_tx_gain_rev4_5ghz;
else
table = b43_ntab_tx_gain_rev5plus_5ghz;
} else {
table = b43_ntab_tx_gain_rev3plus_2ghz;
}
}
target.ipa[i] = (table[index[i]] >> 16) & 0xF;
target.pad[i] = (table[index[i]] >> 20) & 0xF;
target.pga[i] = (table[index[i]] >> 24) & 0xF;
target.txgm[i] = (table[index[i]] >> 28) & 0xF;
} else {
table = b43_ntab_tx_gain_rev0_1_2;
target.ipa[i] = (table[index[i]] >> 16) & 0x3;
target.pad[i] = (table[index[i]] >> 18) & 0x3;
target.pga[i] = (table[index[i]] >> 20) & 0x7;