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b43: N-PHY: replace N-specific radio_chanspec with common code 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Rafał Miłecki 2010-10-14 19:33:34 +02:00 committed by John W. Linville
parent 9ebad4ab87
commit 204a665ba3
3 changed files with 26 additions and 37 deletions
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1
drivers/net/wireless/b43/phy_common.h
View File

@ -253,6 +253,7 @@ struct b43_phy {
/* Current channel */
unsigned int channel;
u16 channel_freq;
enum nl80211_channel_type channel_type;
/* PHY TX errors counter. */

55
drivers/net/wireless/b43/phy_n.c
View File

@ -81,21 +81,6 @@ static inline bool b43_channel_type_is_40mhz(
channel_type == NL80211_CHAN_HT40PLUS);
}
static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec)
{
return !chanspec->channel && !chanspec->sideband &&
!chanspec->b_width && !chanspec->b_freq;
}
static inline bool b43_eq_chanspecs(struct b43_chanspec *chanspec1,
struct b43_chanspec *chanspec2)
{
return (chanspec1->channel == chanspec2->channel &&
chanspec1->sideband == chanspec2->sideband &&
chanspec1->b_width == chanspec2->b_width &&
chanspec1->b_freq == chanspec2->b_freq);
}
void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
{//TODO
}
@ -788,7 +773,7 @@ static void b43_nphy_spur_workaround(struct b43_wldev *dev)
{
struct b43_phy_n *nphy = dev->phy.n;
u8 channel = nphy->radio_chanspec.channel;
u8 channel = dev->phy.channel;
int tone[2] = { 57, 58 };
u32 noise[2] = { 0x3FF, 0x3FF };
@ -862,9 +847,9 @@ static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
gain[0] = 6;
gain[1] = 6;
} else {
tmp = 40370 - 315 * nphy->radio_chanspec.channel;
tmp = 40370 - 315 * dev->phy.channel;
gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
tmp = 23242 - 224 * nphy->radio_chanspec.channel;
tmp = 23242 - 224 * dev->phy.channel;
gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
}
} else {
@ -2090,12 +2075,12 @@ static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
u16 *rssical_phy_regs = NULL;
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if (b43_empty_chanspec(&nphy->rssical_chanspec_2G))
if (!nphy->rssical_chanspec_2G.center_freq)
return;
rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
} else {
if (b43_empty_chanspec(&nphy->rssical_chanspec_5G))
if (!nphy->rssical_chanspec_5G.center_freq)
return;
rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
@ -2551,7 +2536,8 @@ static void b43_nphy_save_cal(struct b43_wldev *dev)
txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
}
*iqcal_chanspec = nphy->radio_chanspec;
iqcal_chanspec->center_freq = dev->phy.channel_freq;
iqcal_chanspec->channel_type = dev->phy.channel_type;
b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 8, table);
if (nphy->hang_avoid)
@ -2572,12 +2558,12 @@ static void b43_nphy_restore_cal(struct b43_wldev *dev)
struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if (b43_empty_chanspec(&nphy->iqcal_chanspec_2G))
if (!nphy->iqcal_chanspec_2G.center_freq)
return;
table = nphy->cal_cache.txcal_coeffs_2G;
loft = &nphy->cal_cache.txcal_coeffs_2G[5];
} else {
if (b43_empty_chanspec(&nphy->iqcal_chanspec_5G))
if (!nphy->iqcal_chanspec_5G.center_freq)
return;
table = nphy->cal_cache.txcal_coeffs_5G;
loft = &nphy->cal_cache.txcal_coeffs_5G[5];
@ -2822,7 +2808,10 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
nphy->txiqlocal_bestc);
nphy->txiqlocal_coeffsvalid = true;
nphy->txiqlocal_chanspec = nphy->radio_chanspec;
nphy->txiqlocal_chanspec.center_freq =
dev->phy.channel_freq;
nphy->txiqlocal_chanspec.channel_type =
dev->phy.channel_type;
} else {
length = 11;
if (dev->phy.rev < 3)
@ -2858,7 +2847,8 @@ static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
bool equal = true;
if (!nphy->txiqlocal_coeffsvalid ||
b43_eq_chanspecs(&nphy->txiqlocal_chanspec, &nphy->radio_chanspec))
nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
return;
b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
@ -3264,11 +3254,9 @@ int b43_phy_initn(struct b43_wldev *dev)
do_rssi_cal = false;
if (phy->rev >= 3) {
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
do_rssi_cal =
b43_empty_chanspec(&nphy->rssical_chanspec_2G);
do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
else
do_rssi_cal =
b43_empty_chanspec(&nphy->rssical_chanspec_5G);
do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
if (do_rssi_cal)
b43_nphy_rssi_cal(dev);
@ -3280,9 +3268,9 @@ int b43_phy_initn(struct b43_wldev *dev)
if (!((nphy->measure_hold & 0x6) != 0)) {
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_2G);
do_cal = !nphy->iqcal_chanspec_2G.center_freq;
else
do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_5G);
do_cal = !nphy->iqcal_chanspec_5G.center_freq;
if (nphy->mute)
do_cal = false;
@ -3411,7 +3399,10 @@ static int b43_nphy_set_channel(struct b43_wldev *dev,
return -ESRCH;
}
nphy->radio_chanspec.channel = channel->hw_value;
/* Channel is set later in common code, but we need to set it on our
own to let this function's subcalls work properly. */
phy->channel = channel->hw_value;
phy->channel_freq = channel->center_freq;
if (b43_channel_type_is_40mhz(phy->channel_type) !=
b43_channel_type_is_40mhz(channel_type))

7
drivers/net/wireless/b43/phy_n.h
View File

@ -927,10 +927,8 @@
struct b43_wldev;
struct b43_chanspec {
u8 channel;
u8 sideband;
u8 b_width;
u8 b_freq;
u16 center_freq;
enum nl80211_channel_type channel_type;
};
struct b43_phy_n_iq_comp {
@ -984,7 +982,6 @@ struct b43_phy_n {
u16 papd_epsilon_offset[2];
s32 preamble_override;
u32 bb_mult_save;
struct b43_chanspec radio_chanspec;
bool gain_boost;
bool elna_gain_config;