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b43: LP-PHY: Implement reading band SPROM

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Some of the new variables in b43_phy_lp appear to be dead code in
the vendor driver; they will be removed if they remain unused when
LP-PHY implementation is finished.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gábor Stefanik 2009-08-11 21:47:00 +02:00 committed by John W. Linville
parent c00552c608
commit 84ec167d32
2 changed files with 100 additions and 1 deletions
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85
drivers/net/wireless/b43/phy_lp.c
View File

@ -59,6 +59,89 @@ static void b43_lpphy_op_free(struct b43_wldev *dev)
dev->phy.lp = NULL;
}
static void lpphy_read_band_sprom(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
struct ssb_bus *bus = dev->dev->bus;
u16 cckpo, maxpwr;
u32 ofdmpo;
int i;
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
lpphy->tx_isolation_med_band = bus->sprom.tri2g;
lpphy->bx_arch = bus->sprom.bxa2g;
lpphy->rx_pwr_offset = bus->sprom.rxpo2g;
lpphy->rssi_vf = bus->sprom.rssismf2g;
lpphy->rssi_vc = bus->sprom.rssismc2g;
lpphy->rssi_gs = bus->sprom.rssisav2g;
lpphy->txpa[0] = bus->sprom.pa0b0;
lpphy->txpa[1] = bus->sprom.pa0b1;
lpphy->txpa[2] = bus->sprom.pa0b2;
maxpwr = bus->sprom.maxpwr_bg;
lpphy->max_tx_pwr_med_band = maxpwr;
cckpo = bus->sprom.cck2gpo;
ofdmpo = bus->sprom.ofdm2gpo;
if (cckpo) {
for (i = 0; i < 4; i++) {
lpphy->tx_max_rate[i] =
maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
ofdmpo = bus->sprom.ofdm2gpo;
for (i = 4; i < 15; i++) {
lpphy->tx_max_rate[i] =
maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
} else {
ofdmpo &= 0xFF;
for (i = 0; i < 4; i++)
lpphy->tx_max_rate[i] = maxpwr;
for (i = 4; i < 15; i++)
lpphy->tx_max_rate[i] = maxpwr - ofdmpo;
}
} else { /* 5GHz */
lpphy->tx_isolation_low_band = bus->sprom.tri5gl;
lpphy->tx_isolation_med_band = bus->sprom.tri5g;
lpphy->tx_isolation_hi_band = bus->sprom.tri5gh;
lpphy->bx_arch = bus->sprom.bxa5g;
lpphy->rx_pwr_offset = bus->sprom.rxpo5g;
lpphy->rssi_vf = bus->sprom.rssismf5g;
lpphy->rssi_vc = bus->sprom.rssismc5g;
lpphy->rssi_gs = bus->sprom.rssisav5g;
lpphy->txpa[0] = bus->sprom.pa1b0;
lpphy->txpa[1] = bus->sprom.pa1b1;
lpphy->txpa[2] = bus->sprom.pa1b2;
lpphy->txpal[0] = bus->sprom.pa1lob0;
lpphy->txpal[1] = bus->sprom.pa1lob1;
lpphy->txpal[2] = bus->sprom.pa1lob2;
lpphy->txpah[0] = bus->sprom.pa1hib0;
lpphy->txpah[1] = bus->sprom.pa1hib1;
lpphy->txpah[2] = bus->sprom.pa1hib2;
maxpwr = bus->sprom.maxpwr_al;
ofdmpo = bus->sprom.ofdm5glpo;
lpphy->max_tx_pwr_low_band = maxpwr;
for (i = 4; i < 12; i++) {
lpphy->tx_max_ratel[i] = maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
maxpwr = bus->sprom.maxpwr_a;
ofdmpo = bus->sprom.ofdm5gpo;
lpphy->max_tx_pwr_med_band = maxpwr;
for (i = 4; i < 12; i++) {
lpphy->tx_max_rate[i] = maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
maxpwr = bus->sprom.maxpwr_ah;
ofdmpo = bus->sprom.ofdm5ghpo;
lpphy->max_tx_pwr_hi_band = maxpwr;
for (i = 4; i < 12; i++) {
lpphy->tx_max_rateh[i] = maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
}
}
static void lpphy_adjust_gain_table(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
@ -694,7 +777,7 @@ static void lpphy_tx_pctl_init(struct b43_wldev *dev)
static int b43_lpphy_op_init(struct b43_wldev *dev)
{
/* TODO: band SPROM */
lpphy_read_band_sprom(dev); //FIXME should this be in prepare_structs?
lpphy_baseband_init(dev);
lpphy_radio_init(dev);
//TODO calibrate RC

16
drivers/net/wireless/b43/phy_lp.h
View File

@ -831,6 +831,22 @@ struct b43_phy_lp {
/* Transmit isolation high band */
u8 tx_isolation_hi_band; /* FIXME initial value? */
/* Max transmit power medium band */
u16 max_tx_pwr_med_band;
/* Max transmit power low band */
u16 max_tx_pwr_low_band;
/* Max transmit power high band */
u16 max_tx_pwr_hi_band;
/* FIXME What are these used for? */
/* FIXME Is 15 the correct array size? */
u16 tx_max_rate[15];
u16 tx_max_ratel[15];
u16 tx_max_rateh[15];
/* Transmit power arrays */
s16 txpa[3], txpal[3], txpah[3];
/* Receive power offset */
u8 rx_pwr_offset; /* FIXME initial value? */