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b43: N-PHY: grab more info about new channel
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rafał Miłecki authored and John W. Linville committed Oct 11, 2010
1 parent a8909cf commit a656b6a
Showing 1 changed file with 29 additions and 32 deletions.
61 changes: 29 additions & 32 deletions drivers/net/wireless/b43/phy_n.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3323,9 +3323,9 @@ int b43_phy_initn(struct b43_wldev *dev)
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
static void b43_nphy_channel_setup(struct b43_wldev *dev,
const struct b43_phy_n_sfo_cfg *e,
struct b43_chanspec chanspec)
struct ieee80211_channel *new_channel)
{
struct b43_phy *phy = &dev->phy;
struct b43_phy_n *nphy = dev->phy.n;
Expand All @@ -3334,13 +3334,13 @@ static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
u32 tmp32;

tmp = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
if (chanspec.b_freq == 1 && tmp == 0) {
if (new_channel->band == IEEE80211_BAND_5GHZ && tmp == 0) {
tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
} else if (chanspec.b_freq == 1) {
} else if (new_channel->band == IEEE80211_BAND_5GHZ) {
b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
Expand All @@ -3350,13 +3350,12 @@ static void b43_nphy_chanspec_setup(struct b43_wldev *dev,

b43_chantab_phy_upload(dev, e);


if (nphy->radio_chanspec.channel == 14) {
if (new_channel->hw_value == 14) {
b43_nphy_classifier(dev, 2, 0);
b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
} else {
b43_nphy_classifier(dev, 2, 2);
if (chanspec.b_freq == 2)
if (new_channel->band == IEEE80211_BAND_2GHZ)
b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
}

Expand All @@ -3379,53 +3378,54 @@ static void b43_nphy_chanspec_setup(struct b43_wldev *dev,
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
static int b43_nphy_set_chanspec(struct b43_wldev *dev,
struct b43_chanspec chanspec)
static int b43_nphy_set_channel(struct b43_wldev *dev,
struct ieee80211_channel *channel,
enum nl80211_channel_type channel_type)
{
struct b43_phy *phy = &dev->phy;
struct b43_phy_n *nphy = dev->phy.n;

const struct b43_nphy_channeltab_entry_rev2 *tabent_r2;
const struct b43_nphy_channeltab_entry_rev3 *tabent_r3;

u8 tmp;
u8 channel = chanspec.channel;

if (dev->phy.rev >= 3) {
/* TODO */
tabent_r3 = NULL;
if (!tabent_r3)
return -ESRCH;
} else {
tabent_r2 = b43_nphy_get_chantabent_rev2(dev, channel);
tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
channel->hw_value);
if (!tabent_r2)
return -ESRCH;
}

nphy->radio_chanspec = chanspec;
nphy->radio_chanspec.channel = channel->hw_value;

/*
if (chanspec.b_width != nphy->b_width)
; /* TODO: BMAC BW Set (chanspec.b_width) */
; TODO: BMAC BW Set (chanspec.b_width)
*/

/* TODO: use defines */
if (chanspec.b_width == 3) {
if (chanspec.sideband == 2)
b43_phy_set(dev, B43_NPHY_RXCTL,
B43_NPHY_RXCTL_BSELU20);
else
b43_phy_mask(dev, B43_NPHY_RXCTL,
~B43_NPHY_RXCTL_BSELU20);
}
if (channel_type == NL80211_CHAN_HT40PLUS)
b43_phy_set(dev, B43_NPHY_RXCTL,
B43_NPHY_RXCTL_BSELU20);
else if (channel_type == NL80211_CHAN_HT40MINUS)
b43_phy_mask(dev, B43_NPHY_RXCTL,
~B43_NPHY_RXCTL_BSELU20);

if (dev->phy.rev >= 3) {
tmp = (chanspec.b_freq == 1) ? 4 : 0;
tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
/* TODO: PHY Radio2056 Setup (dev, tabent_r3); */
b43_nphy_chanspec_setup(dev, &(tabent_r3->phy_regs), chanspec);
b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
} else {
tmp = (chanspec.b_freq == 1) ? 0x0020 : 0x0050;
tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
b43_radio_2055_setup(dev, tabent_r2);
b43_nphy_chanspec_setup(dev, &(tabent_r2->phy_regs), chanspec);
b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
}

return 0;
Expand Down Expand Up @@ -3567,8 +3567,8 @@ static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
unsigned int new_channel)
{
struct b43_phy_n *nphy = dev->phy.n;
struct b43_chanspec chanspec;
struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;

if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if ((new_channel < 1) || (new_channel > 14))
Expand All @@ -3578,10 +3578,7 @@ static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
return -EINVAL;
}

chanspec = nphy->radio_chanspec;
chanspec.channel = new_channel;

return b43_nphy_set_chanspec(dev, chanspec);
return b43_nphy_set_channel(dev, channel, channel_type);
}

static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
Expand Down

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