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path: root/drivers/net/wireless/ath/ath9k/ar9003_phy.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_phy.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_phy.c99
1 files changed, 85 insertions, 14 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index eb250d6b8038..25f3c2fdf2bc 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -75,16 +75,42 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
freq = centers.synth_center;
if (freq < 4800) { /* 2 GHz, fractional mode */
- if (AR_SREV_9485(ah))
- channelSel = CHANSEL_2G_9485(freq);
- else
+ if (AR_SREV_9485(ah)) {
+ u32 chan_frac;
+
+ /*
+ * freq_ref = 40 / (refdiva >> amoderefsel); where refdiva=1 and amoderefsel=0
+ * ndiv = ((chan_mhz * 4) / 3) / freq_ref;
+ * chansel = int(ndiv), chanfrac = (ndiv - chansel) * 0x20000
+ */
+ channelSel = (freq * 4) / 120;
+ chan_frac = (((freq * 4) % 120) * 0x20000) / 120;
+ channelSel = (channelSel << 17) | chan_frac;
+ } else if (AR_SREV_9340(ah)) {
+ if (ah->is_clk_25mhz) {
+ u32 chan_frac;
+
+ channelSel = (freq * 2) / 75;
+ chan_frac = (((freq * 2) % 75) * 0x20000) / 75;
+ channelSel = (channelSel << 17) | chan_frac;
+ } else
+ channelSel = CHANSEL_2G(freq) >> 1;
+ } else
channelSel = CHANSEL_2G(freq);
/* Set to 2G mode */
bMode = 1;
} else {
- channelSel = CHANSEL_5G(freq);
- /* Doubler is ON, so, divide channelSel by 2. */
- channelSel >>= 1;
+ if (AR_SREV_9340(ah) && ah->is_clk_25mhz) {
+ u32 chan_frac;
+
+ channelSel = (freq * 2) / 75;
+ chan_frac = ((freq % 75) * 0x20000) / 75;
+ channelSel = (channelSel << 17) | chan_frac;
+ } else {
+ channelSel = CHANSEL_5G(freq);
+ /* Doubler is ON, so, divide channelSel by 2. */
+ channelSel >>= 1;
+ }
/* Set to 5G mode */
bMode = 0;
}
@@ -142,7 +168,7 @@ static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah,
* is out-of-band and can be ignored.
*/
- if (AR_SREV_9485(ah)) {
+ if (AR_SREV_9485(ah) || AR_SREV_9340(ah)) {
spur_fbin_ptr = ar9003_get_spur_chan_ptr(ah,
IS_CHAN_2GHZ(chan));
if (spur_fbin_ptr[0] == 0) /* No spur */
@@ -167,7 +193,7 @@ static void ar9003_hw_spur_mitigate_mrc_cck(struct ath_hw *ah,
for (i = 0; i < max_spur_cnts; i++) {
negative = 0;
- if (AR_SREV_9485(ah))
+ if (AR_SREV_9485(ah) || AR_SREV_9340(ah))
cur_bb_spur = FBIN2FREQ(spur_fbin_ptr[i],
IS_CHAN_2GHZ(chan)) - synth_freq;
else
@@ -401,7 +427,7 @@ static void ar9003_hw_spur_mitigate_ofdm(struct ath_hw *ah,
ar9003_hw_spur_ofdm_clear(ah);
- for (i = 0; spurChansPtr[i] && i < 5; i++) {
+ for (i = 0; i < AR_EEPROM_MODAL_SPURS && spurChansPtr[i]; i++) {
freq_offset = FBIN2FREQ(spurChansPtr[i], mode) - synth_freq;
if (abs(freq_offset) < range) {
ar9003_hw_spur_ofdm_work(ah, chan, freq_offset);
@@ -590,29 +616,25 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
unsigned int regWrites = 0, i;
struct ieee80211_channel *channel = chan->chan;
- u32 modesIndex, freqIndex;
+ u32 modesIndex;
switch (chan->chanmode) {
case CHANNEL_A:
case CHANNEL_A_HT20:
modesIndex = 1;
- freqIndex = 1;
break;
case CHANNEL_A_HT40PLUS:
case CHANNEL_A_HT40MINUS:
modesIndex = 2;
- freqIndex = 1;
break;
case CHANNEL_G:
case CHANNEL_G_HT20:
case CHANNEL_B:
modesIndex = 4;
- freqIndex = 2;
break;
case CHANNEL_G_HT40PLUS:
case CHANNEL_G_HT40MINUS:
modesIndex = 3;
- freqIndex = 2;
break;
default:
@@ -637,6 +659,9 @@ static int ar9003_hw_process_ini(struct ath_hw *ah,
REG_WRITE_ARRAY(&ah->iniModesAdditional,
modesIndex, regWrites);
+ if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
+ REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
+
ar9003_hw_override_ini(ah);
ar9003_hw_set_channel_regs(ah, chan);
ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
@@ -1159,9 +1184,52 @@ static void ar9003_hw_set_radar_conf(struct ath_hw *ah)
conf->radar_inband = 8;
}
+static void ar9003_hw_antdiv_comb_conf_get(struct ath_hw *ah,
+ struct ath_hw_antcomb_conf *antconf)
+{
+ u32 regval;
+
+ regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL);
+ antconf->main_lna_conf = (regval & AR_PHY_9485_ANT_DIV_MAIN_LNACONF) >>
+ AR_PHY_9485_ANT_DIV_MAIN_LNACONF_S;
+ antconf->alt_lna_conf = (regval & AR_PHY_9485_ANT_DIV_ALT_LNACONF) >>
+ AR_PHY_9485_ANT_DIV_ALT_LNACONF_S;
+ antconf->fast_div_bias = (regval & AR_PHY_9485_ANT_FAST_DIV_BIAS) >>
+ AR_PHY_9485_ANT_FAST_DIV_BIAS_S;
+ antconf->lna1_lna2_delta = -9;
+ antconf->div_group = 2;
+}
+
+static void ar9003_hw_antdiv_comb_conf_set(struct ath_hw *ah,
+ struct ath_hw_antcomb_conf *antconf)
+{
+ u32 regval;
+
+ regval = REG_READ(ah, AR_PHY_MC_GAIN_CTRL);
+ regval &= ~(AR_PHY_9485_ANT_DIV_MAIN_LNACONF |
+ AR_PHY_9485_ANT_DIV_ALT_LNACONF |
+ AR_PHY_9485_ANT_FAST_DIV_BIAS |
+ AR_PHY_9485_ANT_DIV_MAIN_GAINTB |
+ AR_PHY_9485_ANT_DIV_ALT_GAINTB);
+ regval |= ((antconf->main_lna_conf <<
+ AR_PHY_9485_ANT_DIV_MAIN_LNACONF_S)
+ & AR_PHY_9485_ANT_DIV_MAIN_LNACONF);
+ regval |= ((antconf->alt_lna_conf << AR_PHY_9485_ANT_DIV_ALT_LNACONF_S)
+ & AR_PHY_9485_ANT_DIV_ALT_LNACONF);
+ regval |= ((antconf->fast_div_bias << AR_PHY_9485_ANT_FAST_DIV_BIAS_S)
+ & AR_PHY_9485_ANT_FAST_DIV_BIAS);
+ regval |= ((antconf->main_gaintb << AR_PHY_9485_ANT_DIV_MAIN_GAINTB_S)
+ & AR_PHY_9485_ANT_DIV_MAIN_GAINTB);
+ regval |= ((antconf->alt_gaintb << AR_PHY_9485_ANT_DIV_ALT_GAINTB_S)
+ & AR_PHY_9485_ANT_DIV_ALT_GAINTB);
+
+ REG_WRITE(ah, AR_PHY_MC_GAIN_CTRL, regval);
+}
+
void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
{
struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
+ struct ath_hw_ops *ops = ath9k_hw_ops(ah);
static const u32 ar9300_cca_regs[6] = {
AR_PHY_CCA_0,
AR_PHY_CCA_1,
@@ -1188,6 +1256,9 @@ void ar9003_hw_attach_phy_ops(struct ath_hw *ah)
priv_ops->ani_cache_ini_regs = ar9003_hw_ani_cache_ini_regs;
priv_ops->set_radar_params = ar9003_hw_set_radar_params;
+ ops->antdiv_comb_conf_get = ar9003_hw_antdiv_comb_conf_get;
+ ops->antdiv_comb_conf_set = ar9003_hw_antdiv_comb_conf_set;
+
ar9003_hw_set_nf_limits(ah);
ar9003_hw_set_radar_conf(ah);
memcpy(ah->nf_regs, ar9300_cca_regs, sizeof(ah->nf_regs));