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b43: N-PHY: finish 0x2056 radio setup

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki
2012-07-26 00:07:38 +02:00
committed by John W. Linville
parent 0f941777c6
commit d3d178f050
2 changed files with 90 additions and 6 deletions
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95
drivers/net/wireless/b43/phy_n.c
View File

@ -545,7 +545,9 @@ static void b43_radio_2056_setup(struct b43_wldev *dev,
enum ieee80211_band band = b43_current_band(dev->wl);
u16 offset;
u8 i;
u16 bias, cbias, pag_boost, pgag_boost, mixg_boost, padg_boost;
u16 bias, cbias;
u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
B43_WARN_ON(dev->phy.rev < 3);
@ -630,7 +632,56 @@ static void b43_radio_2056_setup(struct b43_wldev *dev,
b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
}
} else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
/* TODO */
u16 freq = dev->phy.channel_freq;
if (freq < 5100) {
paa_boost = 0xA;
pada_boost = 0x77;
pgaa_boost = 0xF;
mixa_boost = 0xF;
} else if (freq < 5340) {
paa_boost = 0x8;
pada_boost = 0x77;
pgaa_boost = 0xFB;
mixa_boost = 0xF;
} else if (freq < 5650) {
paa_boost = 0x0;
pada_boost = 0x77;
pgaa_boost = 0xB;
mixa_boost = 0xF;
} else {
paa_boost = 0x0;
pada_boost = 0x77;
if (freq != 5825)
pgaa_boost = -(freq - 18) / 36 + 168;
else
pgaa_boost = 6;
mixa_boost = 0xF;
}
for (i = 0; i < 2; i++) {
offset = i ? B2056_TX1 : B2056_TX0;
b43_radio_write(dev,
offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
b43_radio_write(dev,
offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
b43_radio_write(dev,
offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
b43_radio_write(dev,
offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
b43_radio_write(dev,
offset | B2056_TX_TXSPARE1, 0x30);
b43_radio_write(dev,
offset | B2056_TX_PA_SPARE2, 0xee);
b43_radio_write(dev,
offset | B2056_TX_PADA_CASCBIAS, 0x03);
b43_radio_write(dev,
offset | B2056_TX_INTPAA_IAUX_STAT, 0x50);
b43_radio_write(dev,
offset | B2056_TX_INTPAA_IMAIN_STAT, 0x50);
b43_radio_write(dev,
offset | B2056_TX_INTPAA_CASCBIAS, 0x30);
}
}
udelay(50);
@ -643,6 +694,37 @@ static void b43_radio_2056_setup(struct b43_wldev *dev,
udelay(300);
}
static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
u16 mast2, tmp;
if (phy->rev != 3)
return 0;
mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);
udelay(10);
b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
udelay(10);
b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);
if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
1000000)) {
b43err(dev->wl, "Radio recalibration timeout\n");
return 0;
}
b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);
b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);
return tmp & 0x1f;
}
static void b43_radio_init2056_pre(struct b43_wldev *dev)
{
b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
@ -665,10 +747,8 @@ static void b43_radio_init2056_post(struct b43_wldev *dev)
b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
/*
if (nphy->init_por)
Call Radio 2056 Recalibrate
*/
if (dev->phy.n->init_por)
b43_radio_2056_rcal(dev);
}
/*
@ -680,6 +760,8 @@ static void b43_radio_init2056(struct b43_wldev *dev)
b43_radio_init2056_pre(dev);
b2056_upload_inittabs(dev, 0, 0);
b43_radio_init2056_post(dev);
dev->phy.n->init_por = false;
}
/**************************************************
@ -5089,6 +5171,7 @@ static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
nphy->spur_avoid = (phy->rev >= 3) ?
B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
nphy->init_por = true;
nphy->gain_boost = true; /* this way we follow wl, assume it is true */
nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */

1
drivers/net/wireless/b43/phy_n.h
View File

@ -785,6 +785,7 @@ struct b43_phy_n {
u16 papd_epsilon_offset[2];
s32 preamble_override;
u32 bb_mult_save;
bool init_por;
bool gain_boost;
bool elna_gain_config;