aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x0/phy.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x0/phy.c898
1 files changed, 593 insertions, 305 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
index cf024950e0ed..1eb1a802ed20 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
@@ -20,7 +20,6 @@
#include "mt76x0.h"
#include "mcu.h"
#include "eeprom.h"
-#include "trace.h"
#include "phy.h"
#include "initvals.h"
#include "initvals_phy.h"
@@ -49,12 +48,12 @@ mt76x0_rf_csr_wr(struct mt76x02_dev *dev, u32 offset, u8 value)
}
mt76_wr(dev, MT_RF_CSR_CFG,
- FIELD_PREP(MT_RF_CSR_CFG_DATA, value) |
- FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
- FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) |
- MT_RF_CSR_CFG_WR |
- MT_RF_CSR_CFG_KICK);
- trace_mt76x0_rf_write(&dev->mt76, bank, offset, value);
+ FIELD_PREP(MT_RF_CSR_CFG_DATA, value) |
+ FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
+ FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) |
+ MT_RF_CSR_CFG_WR |
+ MT_RF_CSR_CFG_KICK);
+
out:
mutex_unlock(&dev->phy_mutex);
@@ -86,19 +85,18 @@ static int mt76x0_rf_csr_rr(struct mt76x02_dev *dev, u32 offset)
goto out;
mt76_wr(dev, MT_RF_CSR_CFG,
- FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
- FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) |
- MT_RF_CSR_CFG_KICK);
+ FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) |
+ FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) |
+ MT_RF_CSR_CFG_KICK);
if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100))
goto out;
val = mt76_rr(dev, MT_RF_CSR_CFG);
if (FIELD_GET(MT_RF_CSR_CFG_REG_ID, val) == reg &&
- FIELD_GET(MT_RF_CSR_CFG_REG_BANK, val) == bank) {
+ FIELD_GET(MT_RF_CSR_CFG_REG_BANK, val) == bank)
ret = FIELD_GET(MT_RF_CSR_CFG_DATA, val);
- trace_mt76x0_rf_read(&dev->mt76, bank, offset, ret);
- }
+
out:
mutex_unlock(&dev->phy_mutex);
@@ -110,7 +108,7 @@ out:
}
static int
-rf_wr(struct mt76x02_dev *dev, u32 offset, u8 val)
+mt76x0_rf_wr(struct mt76x02_dev *dev, u32 offset, u8 val)
{
if (mt76_is_usb(dev)) {
struct mt76_reg_pair pair = {
@@ -126,8 +124,7 @@ rf_wr(struct mt76x02_dev *dev, u32 offset, u8 val)
}
}
-static int
-rf_rr(struct mt76x02_dev *dev, u32 offset)
+static int mt76x0_rf_rr(struct mt76x02_dev *dev, u32 offset)
{
int ret;
u32 val;
@@ -149,38 +146,36 @@ rf_rr(struct mt76x02_dev *dev, u32 offset)
}
static int
-rf_rmw(struct mt76x02_dev *dev, u32 offset, u8 mask, u8 val)
+mt76x0_rf_rmw(struct mt76x02_dev *dev, u32 offset, u8 mask, u8 val)
{
int ret;
- ret = rf_rr(dev, offset);
+ ret = mt76x0_rf_rr(dev, offset);
if (ret < 0)
return ret;
+
val |= ret & ~mask;
- ret = rf_wr(dev, offset, val);
- if (ret)
- return ret;
- return val;
+ ret = mt76x0_rf_wr(dev, offset, val);
+ return ret ? ret : val;
}
static int
-rf_set(struct mt76x02_dev *dev, u32 offset, u8 val)
+mt76x0_rf_set(struct mt76x02_dev *dev, u32 offset, u8 val)
{
- return rf_rmw(dev, offset, 0, val);
+ return mt76x0_rf_rmw(dev, offset, 0, val);
}
-#if 0
static int
-rf_clear(struct mt76x02_dev *dev, u32 offset, u8 mask)
+mt76x0_rf_clear(struct mt76x02_dev *dev, u32 offset, u8 mask)
{
- return rf_rmw(dev, offset, mask, 0);
+ return mt76x0_rf_rmw(dev, offset, mask, 0);
}
-#endif
static void
-mt76x0_rf_csr_wr_rp(struct mt76x02_dev *dev, const struct mt76_reg_pair *data,
- int n)
+mt76x0_phy_rf_csr_wr_rp(struct mt76x02_dev *dev,
+ const struct mt76_reg_pair *data,
+ int n)
{
while (n-- > 0) {
mt76x0_rf_csr_wr(dev, data->reg, data->value);
@@ -190,12 +185,12 @@ mt76x0_rf_csr_wr_rp(struct mt76x02_dev *dev, const struct mt76_reg_pair *data,
#define RF_RANDOM_WRITE(dev, tab) do { \
if (mt76_is_mmio(dev)) \
- mt76x0_rf_csr_wr_rp(dev, tab, ARRAY_SIZE(tab)); \
+ mt76x0_phy_rf_csr_wr_rp(dev, tab, ARRAY_SIZE(tab)); \
else \
mt76_wr_rp(dev, MT_MCU_MEMMAP_RF, tab, ARRAY_SIZE(tab));\
} while (0)
-int mt76x0_wait_bbp_ready(struct mt76x02_dev *dev)
+int mt76x0_phy_wait_bbp_ready(struct mt76x02_dev *dev)
{
int i = 20;
u32 val;
@@ -215,62 +210,6 @@ int mt76x0_wait_bbp_ready(struct mt76x02_dev *dev)
return 0;
}
-static void mt76x0_vco_cal(struct mt76x02_dev *dev, u8 channel)
-{
- u8 val;
-
- val = rf_rr(dev, MT_RF(0, 4));
- if ((val & 0x70) != 0x30)
- return;
-
- /*
- * Calibration Mode - Open loop, closed loop, and amplitude:
- * B0.R06.[0]: 1
- * B0.R06.[3:1] bp_close_code: 100
- * B0.R05.[7:0] bp_open_code: 0x0
- * B0.R04.[2:0] cal_bits: 000
- * B0.R03.[2:0] startup_time: 011
- * B0.R03.[6:4] settle_time:
- * 80MHz channel: 110
- * 40MHz channel: 101
- * 20MHz channel: 100
- */
- val = rf_rr(dev, MT_RF(0, 6));
- val &= ~0xf;
- val |= 0x09;
- rf_wr(dev, MT_RF(0, 6), val);
-
- val = rf_rr(dev, MT_RF(0, 5));
- if (val != 0)
- rf_wr(dev, MT_RF(0, 5), 0x0);
-
- val = rf_rr(dev, MT_RF(0, 4));
- val &= ~0x07;
- rf_wr(dev, MT_RF(0, 4), val);
-
- val = rf_rr(dev, MT_RF(0, 3));
- val &= ~0x77;
- if (channel == 1 || channel == 7 || channel == 9 || channel >= 13) {
- val |= 0x63;
- } else if (channel == 3 || channel == 4 || channel == 10) {
- val |= 0x53;
- } else if (channel == 2 || channel == 5 || channel == 6 ||
- channel == 8 || channel == 11 || channel == 12) {
- val |= 0x43;
- } else {
- WARN(1, "Unknown channel %u\n", channel);
- return;
- }
- rf_wr(dev, MT_RF(0, 3), val);
-
- /* TODO replace by mt76x0_rf_set(dev, MT_RF(0, 4), BIT(7)); */
- val = rf_rr(dev, MT_RF(0, 4));
- val = ((val & ~(0x80)) | 0x80);
- rf_wr(dev, MT_RF(0, 4), val);
-
- msleep(2);
-}
-
static void
mt76x0_phy_set_band(struct mt76x02_dev *dev, enum nl80211_band band)
{
@@ -278,8 +217,8 @@ mt76x0_phy_set_band(struct mt76x02_dev *dev, enum nl80211_band band)
case NL80211_BAND_2GHZ:
RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab);
- rf_wr(dev, MT_RF(5, 0), 0x45);
- rf_wr(dev, MT_RF(6, 0), 0x44);
+ mt76x0_rf_wr(dev, MT_RF(5, 0), 0x45);
+ mt76x0_rf_wr(dev, MT_RF(6, 0), 0x44);
mt76_wr(dev, MT_TX_ALC_VGA3, 0x00050007);
mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x003E0002);
@@ -287,8 +226,8 @@ mt76x0_phy_set_band(struct mt76x02_dev *dev, enum nl80211_band band)
case NL80211_BAND_5GHZ:
RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab);
- rf_wr(dev, MT_RF(5, 0), 0x44);
- rf_wr(dev, MT_RF(6, 0), 0x45);
+ mt76x0_rf_wr(dev, MT_RF(5, 0), 0x44);
+ mt76x0_rf_wr(dev, MT_RF(6, 0), 0x45);
mt76_wr(dev, MT_TX_ALC_VGA3, 0x00000005);
mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x01010102);
@@ -301,18 +240,17 @@ mt76x0_phy_set_band(struct mt76x02_dev *dev, enum nl80211_band band)
static void
mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_band)
{
+ const struct mt76x0_freq_item *freq_item;
u16 rf_band = rf_bw_band & 0xff00;
u16 rf_bw = rf_bw_band & 0x00ff;
enum nl80211_band band;
+ bool b_sdm = false;
u32 mac_reg;
- u8 rf_val;
int i;
- bool bSDM = false;
- const struct mt76x0_freq_item *freq_item;
for (i = 0; i < ARRAY_SIZE(mt76x0_sdm_channel); i++) {
if (channel == mt76x0_sdm_channel[i]) {
- bSDM = true;
+ b_sdm = true;
break;
}
}
@@ -321,108 +259,84 @@ mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_ban
if (channel == mt76x0_frequency_plan[i].channel) {
rf_band = mt76x0_frequency_plan[i].band;
- if (bSDM)
+ if (b_sdm)
freq_item = &(mt76x0_sdm_frequency_plan[i]);
else
freq_item = &(mt76x0_frequency_plan[i]);
- rf_wr(dev, MT_RF(0, 37), freq_item->pllR37);
- rf_wr(dev, MT_RF(0, 36), freq_item->pllR36);
- rf_wr(dev, MT_RF(0, 35), freq_item->pllR35);
- rf_wr(dev, MT_RF(0, 34), freq_item->pllR34);
- rf_wr(dev, MT_RF(0, 33), freq_item->pllR33);
+ mt76x0_rf_wr(dev, MT_RF(0, 37), freq_item->pllR37);
+ mt76x0_rf_wr(dev, MT_RF(0, 36), freq_item->pllR36);
+ mt76x0_rf_wr(dev, MT_RF(0, 35), freq_item->pllR35);
+ mt76x0_rf_wr(dev, MT_RF(0, 34), freq_item->pllR34);
+ mt76x0_rf_wr(dev, MT_RF(0, 33), freq_item->pllR33);
- rf_val = rf_rr(dev, MT_RF(0, 32));
- rf_val &= ~0xE0;
- rf_val |= freq_item->pllR32_b7b5;
- rf_wr(dev, MT_RF(0, 32), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 32), 0xe0,
+ freq_item->pllR32_b7b5);
/* R32<4:0> pll_den: (Denomina - 8) */
- rf_val = rf_rr(dev, MT_RF(0, 32));
- rf_val &= ~0x1F;
- rf_val |= freq_item->pllR32_b4b0;
- rf_wr(dev, MT_RF(0, 32), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 32), MT_RF_PLL_DEN_MASK,
+ freq_item->pllR32_b4b0);
/* R31<7:5> */
- rf_val = rf_rr(dev, MT_RF(0, 31));
- rf_val &= ~0xE0;
- rf_val |= freq_item->pllR31_b7b5;
- rf_wr(dev, MT_RF(0, 31), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 31), 0xe0,
+ freq_item->pllR31_b7b5);
/* R31<4:0> pll_k(Nominator) */
- rf_val = rf_rr(dev, MT_RF(0, 31));
- rf_val &= ~0x1F;
- rf_val |= freq_item->pllR31_b4b0;
- rf_wr(dev, MT_RF(0, 31), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 31), MT_RF_PLL_K_MASK,
+ freq_item->pllR31_b4b0);
/* R30<7> sdm_reset_n */
- rf_val = rf_rr(dev, MT_RF(0, 30));
- rf_val &= ~0x80;
- if (bSDM) {
- rf_wr(dev, MT_RF(0, 30), rf_val);
- rf_val |= 0x80;
- rf_wr(dev, MT_RF(0, 30), rf_val);
+ if (b_sdm) {
+ mt76x0_rf_clear(dev, MT_RF(0, 30),
+ MT_RF_SDM_RESET_MASK);
+ mt76x0_rf_set(dev, MT_RF(0, 30),
+ MT_RF_SDM_RESET_MASK);
} else {
- rf_val |= freq_item->pllR30_b7;
- rf_wr(dev, MT_RF(0, 30), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 30),
+ MT_RF_SDM_RESET_MASK,
+ freq_item->pllR30_b7);
}
/* R30<6:2> sdmmash_prbs,sin */
- rf_val = rf_rr(dev, MT_RF(0, 30));
- rf_val &= ~0x7C;
- rf_val |= freq_item->pllR30_b6b2;
- rf_wr(dev, MT_RF(0, 30), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 30),
+ MT_RF_SDM_MASH_PRBS_MASK,
+ freq_item->pllR30_b6b2);
/* R30<1> sdm_bp */
- rf_val = rf_rr(dev, MT_RF(0, 30));
- rf_val &= ~0x02;
- rf_val |= (freq_item->pllR30_b1 << 1);
- rf_wr(dev, MT_RF(0, 30), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 30), MT_RF_SDM_BP_MASK,
+ freq_item->pllR30_b1 << 1);
/* R30<0> R29<7:0> (hex) pll_n */
- rf_val = freq_item->pll_n & 0x00FF;
- rf_wr(dev, MT_RF(0, 29), rf_val);
+ mt76x0_rf_wr(dev, MT_RF(0, 29),
+ freq_item->pll_n & 0xff);
- rf_val = rf_rr(dev, MT_RF(0, 30));
- rf_val &= ~0x1;
- rf_val |= ((freq_item->pll_n >> 8) & 0x0001);
- rf_wr(dev, MT_RF(0, 30), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 30), 0x1,
+ (freq_item->pll_n >> 8) & 0x1);
/* R28<7:6> isi_iso */
- rf_val = rf_rr(dev, MT_RF(0, 28));
- rf_val &= ~0xC0;
- rf_val |= freq_item->pllR28_b7b6;
- rf_wr(dev, MT_RF(0, 28), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_ISI_ISO_MASK,
+ freq_item->pllR28_b7b6);
/* R28<5:4> pfd_dly */
- rf_val = rf_rr(dev, MT_RF(0, 28));
- rf_val &= ~0x30;
- rf_val |= freq_item->pllR28_b5b4;
- rf_wr(dev, MT_RF(0, 28), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_PFD_DLY_MASK,
+ freq_item->pllR28_b5b4);
/* R28<3:2> clksel option */
- rf_val = rf_rr(dev, MT_RF(0, 28));
- rf_val &= ~0x0C;
- rf_val |= freq_item->pllR28_b3b2;
- rf_wr(dev, MT_RF(0, 28), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 28), MT_RF_CLK_SEL_MASK,
+ freq_item->pllR28_b3b2);
/* R28<1:0> R27<7:0> R26<7:0> (hex) sdm_k */
- rf_val = freq_item->pll_sdm_k & 0x000000FF;
- rf_wr(dev, MT_RF(0, 26), rf_val);
-
- rf_val = ((freq_item->pll_sdm_k >> 8) & 0x000000FF);
- rf_wr(dev, MT_RF(0, 27), rf_val);
+ mt76x0_rf_wr(dev, MT_RF(0, 26),
+ freq_item->pll_sdm_k & 0xff);
+ mt76x0_rf_wr(dev, MT_RF(0, 27),
+ (freq_item->pll_sdm_k >> 8) & 0xff);
- rf_val = rf_rr(dev, MT_RF(0, 28));
- rf_val &= ~0x3;
- rf_val |= ((freq_item->pll_sdm_k >> 16) & 0x0003);
- rf_wr(dev, MT_RF(0, 28), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 28), 0x3,
+ (freq_item->pll_sdm_k >> 16) & 0x3);
/* R24<1:0> xo_div */
- rf_val = rf_rr(dev, MT_RF(0, 24));
- rf_val &= ~0x3;
- rf_val |= freq_item->pllR24_b1b0;
- rf_wr(dev, MT_RF(0, 24), rf_val);
+ mt76x0_rf_rmw(dev, MT_RF(0, 24), MT_RF_XO_DIV_MASK,
+ freq_item->pllR24_b1b0);
break;
}
@@ -430,25 +344,26 @@ mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_ban
for (i = 0; i < ARRAY_SIZE(mt76x0_rf_bw_switch_tab); i++) {
if (rf_bw == mt76x0_rf_bw_switch_tab[i].bw_band) {
- rf_wr(dev, mt76x0_rf_bw_switch_tab[i].rf_bank_reg,
- mt76x0_rf_bw_switch_tab[i].value);
+ mt76x0_rf_wr(dev,
+ mt76x0_rf_bw_switch_tab[i].rf_bank_reg,
+ mt76x0_rf_bw_switch_tab[i].value);
} else if ((rf_bw == (mt76x0_rf_bw_switch_tab[i].bw_band & 0xFF)) &&
(rf_band & mt76x0_rf_bw_switch_tab[i].bw_band)) {
- rf_wr(dev, mt76x0_rf_bw_switch_tab[i].rf_bank_reg,
- mt76x0_rf_bw_switch_tab[i].value);
+ mt76x0_rf_wr(dev,
+ mt76x0_rf_bw_switch_tab[i].rf_bank_reg,
+ mt76x0_rf_bw_switch_tab[i].value);
}
}
for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) {
if (mt76x0_rf_band_switch_tab[i].bw_band & rf_band) {
- rf_wr(dev, mt76x0_rf_band_switch_tab[i].rf_bank_reg,
- mt76x0_rf_band_switch_tab[i].value);
+ mt76x0_rf_wr(dev,
+ mt76x0_rf_band_switch_tab[i].rf_bank_reg,
+ mt76x0_rf_band_switch_tab[i].value);
}
}
- mac_reg = mt76_rr(dev, MT_RF_MISC);
- mac_reg &= ~0xC; /* Clear 0x518[3:2] */
- mt76_wr(dev, MT_RF_MISC, mac_reg);
+ mt76_clear(dev, MT_RF_MISC, 0xc);
band = (rf_band & RF_G_BAND) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
if (mt76x02_ext_pa_enabled(dev, band)) {
@@ -457,21 +372,17 @@ mt76x0_phy_set_chan_rf_params(struct mt76x02_dev *dev, u8 channel, u16 rf_bw_ban
[2]1'b1: enable external A band PA, 1'b0: disable external A band PA
[3]1'b1: enable external G band PA, 1'b0: disable external G band PA
*/
- if (rf_band & RF_A_BAND) {
- mac_reg = mt76_rr(dev, MT_RF_MISC);
- mac_reg |= 0x4;
- mt76_wr(dev, MT_RF_MISC, mac_reg);
- } else {
- mac_reg = mt76_rr(dev, MT_RF_MISC);
- mac_reg |= 0x8;
- mt76_wr(dev, MT_RF_MISC, mac_reg);
- }
+ if (rf_band & RF_A_BAND)
+ mt76_set(dev, MT_RF_MISC, BIT(2));
+ else
+ mt76_set(dev, MT_RF_MISC, BIT(3));
/* External PA */
for (i = 0; i < ARRAY_SIZE(mt76x0_rf_ext_pa_tab); i++)
if (mt76x0_rf_ext_pa_tab[i].bw_band & rf_band)
- rf_wr(dev, mt76x0_rf_ext_pa_tab[i].rf_bank_reg,
- mt76x0_rf_ext_pa_tab[i].value);
+ mt76x0_rf_wr(dev,
+ mt76x0_rf_ext_pa_tab[i].rf_bank_reg,
+ mt76x0_rf_ext_pa_tab[i].value);
}
if (rf_band & RF_G_BAND) {
@@ -516,27 +427,53 @@ mt76x0_phy_set_chan_bbp_params(struct mt76x02_dev *dev, u16 rf_bw_band)
}
}
-static void mt76x0_ant_select(struct mt76x02_dev *dev)
+static void mt76x0_phy_ant_select(struct mt76x02_dev *dev)
{
- struct ieee80211_channel *chan = dev->mt76.chandef.chan;
-
- /* single antenna mode */
- if (chan->band == NL80211_BAND_2GHZ) {
- mt76_rmw(dev, MT_COEXCFG3,
- BIT(5) | BIT(4) | BIT(3) | BIT(2), BIT(1));
- mt76_rmw(dev, MT_WLAN_FUN_CTRL, BIT(5), BIT(6));
+ u16 ee_ant = mt76x02_eeprom_get(dev, MT_EE_ANTENNA);
+ u16 nic_conf2 = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_2);
+ u32 wlan, coex3, cmb;
+ bool ant_div;
+
+ wlan = mt76_rr(dev, MT_WLAN_FUN_CTRL);
+ cmb = mt76_rr(dev, MT_CMB_CTRL);
+ coex3 = mt76_rr(dev, MT_COEXCFG3);
+
+ cmb &= ~(BIT(14) | BIT(12));
+ wlan &= ~(BIT(6) | BIT(5));
+ coex3 &= ~GENMASK(5, 2);
+
+ if (ee_ant & MT_EE_ANTENNA_DUAL) {
+ /* dual antenna mode */
+ ant_div = !(nic_conf2 & MT_EE_NIC_CONF_2_ANT_OPT) &&
+ (nic_conf2 & MT_EE_NIC_CONF_2_ANT_DIV);
+ if (ant_div)
+ cmb |= BIT(12);
+ else
+ coex3 |= BIT(4);
+ coex3 |= BIT(3);
+ if (dev->mt76.cap.has_2ghz)
+ wlan |= BIT(6);
} else {
- mt76_rmw(dev, MT_COEXCFG3, BIT(5) | BIT(2),
- BIT(4) | BIT(3));
- mt76_clear(dev, MT_WLAN_FUN_CTRL,
- BIT(6) | BIT(5));
+ /* sigle antenna mode */
+ if (dev->mt76.cap.has_5ghz) {
+ coex3 |= BIT(3) | BIT(4);
+ } else {
+ wlan |= BIT(6);
+ coex3 |= BIT(1);
+ }
}
- mt76_clear(dev, MT_CMB_CTRL, BIT(14) | BIT(12));
+
+ if (is_mt7630(dev))
+ cmb |= BIT(14) | BIT(11);
+
+ mt76_wr(dev, MT_WLAN_FUN_CTRL, wlan);
+ mt76_wr(dev, MT_CMB_CTRL, cmb);
mt76_clear(dev, MT_COEXCFG0, BIT(2));
+ mt76_wr(dev, MT_COEXCFG3, coex3);
}
static void
-mt76x0_bbp_set_bw(struct mt76x02_dev *dev, enum nl80211_chan_width width)
+mt76x0_phy_bbp_set_bw(struct mt76x02_dev *dev, enum nl80211_chan_width width)
{
enum { BW_20 = 0, BW_40 = 1, BW_80 = 2, BW_10 = 4};
int bw;
@@ -563,7 +500,346 @@ mt76x0_bbp_set_bw(struct mt76x02_dev *dev, enum nl80211_chan_width width)
return ;
}
- mt76x02_mcu_function_select(dev, BW_SETTING, bw, false);
+ mt76x02_mcu_function_select(dev, BW_SETTING, bw);
+}
+
+static void mt76x0_phy_tssi_dc_calibrate(struct mt76x02_dev *dev)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ u32 val;
+
+ if (chan->band == NL80211_BAND_5GHZ)
+ mt76x0_rf_clear(dev, MT_RF(0, 67), 0xf);
+
+ /* bypass ADDA control */
+ mt76_wr(dev, MT_RF_SETTING_0, 0x60002237);
+ mt76_wr(dev, MT_RF_BYPASS_0, 0xffffffff);
+
+ /* bbp sw reset */
+ mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
+ usleep_range(500, 1000);
+ mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));
+
+ val = (chan->band == NL80211_BAND_5GHZ) ? 0x80055 : 0x80050;
+ mt76_wr(dev, MT_BBP(CORE, 34), val);
+
+ /* enable TX with DAC0 input */
+ mt76_wr(dev, MT_BBP(TXBE, 6), BIT(31));
+
+ mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200);
+ dev->cal.tssi_dc = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;
+
+ /* stop bypass ADDA */
+ mt76_wr(dev, MT_RF_BYPASS_0, 0);
+ /* stop TX */
+ mt76_wr(dev, MT_BBP(TXBE, 6), 0);
+ /* bbp sw reset */
+ mt76_set(dev, MT_BBP(CORE, 4), BIT(0));
+ usleep_range(500, 1000);
+ mt76_clear(dev, MT_BBP(CORE, 4), BIT(0));
+
+ if (chan->band == NL80211_BAND_5GHZ)
+ mt76x0_rf_rmw(dev, MT_RF(0, 67), 0xf, 0x4);
+}
+
+static int
+mt76x0_phy_tssi_adc_calibrate(struct mt76x02_dev *dev, s16 *ltssi,
+ u8 *info)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ u32 val;
+
+ val = (chan->band == NL80211_BAND_5GHZ) ? 0x80055 : 0x80050;
+ mt76_wr(dev, MT_BBP(CORE, 34), val);
+
+ if (!mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200)) {
+ mt76_clear(dev, MT_BBP(CORE, 34), BIT(4));
+ return -ETIMEDOUT;
+ }
+
+ *ltssi = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;
+ if (chan->band == NL80211_BAND_5GHZ)
+ *ltssi += 128;
+
+ /* set packet info#1 mode */
+ mt76_wr(dev, MT_BBP(CORE, 34), 0x80041);
+ info[0] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;
+
+ /* set packet info#2 mode */
+ mt76_wr(dev, MT_BBP(CORE, 34), 0x80042);
+ info[1] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;
+
+ /* set packet info#3 mode */
+ mt76_wr(dev, MT_BBP(CORE, 34), 0x80043);
+ info[2] = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff;
+
+ return 0;
+}
+
+static u8 mt76x0_phy_get_rf_pa_mode(struct mt76x02_dev *dev,
+ int index, u8 tx_rate)
+{
+ u32 val, reg;
+
+ reg = (index == 1) ? MT_RF_PA_MODE_CFG1 : MT_RF_PA_MODE_CFG0;
+ val = mt76_rr(dev, reg);
+ return (val & (3 << (tx_rate * 2))) >> (tx_rate * 2);
+}
+
+static int
+mt76x0_phy_get_target_power(struct mt76x02_dev *dev, u8 tx_mode,
+ u8 *info, s8 *target_power,
+ s8 *target_pa_power)
+{
+ u8 tx_rate, cur_power;
+
+ cur_power = mt76_rr(dev, MT_TX_ALC_CFG_0) & MT_TX_ALC_CFG_0_CH_INIT_0;
+ switch (tx_mode) {
+ case 0:
+ /* cck rates */
+ tx_rate = (info[0] & 0x60) >> 5;
+ if (tx_rate > 3)
+ return -EINVAL;
+
+ *target_power = cur_power + dev->mt76.rate_power.cck[tx_rate];
+ *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 0, tx_rate);
+ break;
+ case 1: {
+ u8 index;
+
+ /* ofdm rates */
+ tx_rate = (info[0] & 0xf0) >> 4;
+ switch (tx_rate) {
+ case 0xb:
+ index = 0;
+ break;
+ case 0xf:
+ index = 1;
+ break;
+ case 0xa:
+ index = 2;
+ break;
+ case 0xe:
+ index = 3;
+ break;
+ case 0x9:
+ index = 4;
+ break;
+ case 0xd:
+ index = 5;
+ break;
+ case 0x8:
+ index = 6;
+ break;
+ case 0xc:
+ index = 7;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ *target_power = cur_power + dev->mt76.rate_power.ofdm[index];
+ *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 0, index + 4);
+ break;
+ }
+ case 4:
+ /* vht rates */
+ tx_rate = info[1] & 0xf;
+ if (tx_rate > 9)
+ return -EINVAL;
+
+ *target_power = cur_power + dev->mt76.rate_power.vht[tx_rate];
+ *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 1, tx_rate);
+ break;
+ default:
+ /* ht rates */
+ tx_rate = info[1] & 0x7f;
+ if (tx_rate > 9)
+ return -EINVAL;
+
+ *target_power = cur_power + dev->mt76.rate_power.ht[tx_rate];
+ *target_pa_power = mt76x0_phy_get_rf_pa_mode(dev, 1, tx_rate);
+ break;
+ }
+
+ return 0;
+}
+
+static s16 mt76x0_phy_lin2db(u16 val)
+{
+ u32 mantissa = val << 4;
+ int ret, data;
+ s16 exp = -4;
+
+ while (mantissa < BIT(15)) {
+ mantissa <<= 1;
+ if (--exp < -20)
+ return -10000;
+ }
+ while (mantissa > 0xffff) {
+ mantissa >>= 1;
+ if (++exp > 20)
+ return -10000;
+ }
+
+ /* s(15,0) */
+ if (mantissa <= 47104)
+ data = mantissa + (mantissa >> 3) + (mantissa >> 4) - 38400;
+ else
+ data = mantissa - (mantissa >> 3) - (mantissa >> 6) - 23040;
+ data = max_t(int, 0, data);
+
+ ret = ((15 + exp) << 15) + data;
+ ret = (ret << 2) + (ret << 1) + (ret >> 6) + (ret >> 7);
+ return ret >> 10;
+}
+
+static int
+mt76x0_phy_get_delta_power(struct mt76x02_dev *dev, u8 tx_mode,
+ s8 target_power, s8 target_pa_power,
+ s16 ltssi)
+{
+ struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ int tssi_target = target_power << 12, tssi_slope;
+ int tssi_offset, tssi_db, ret;
+ u32 data;
+ u16 val;
+
+ if (chan->band == NL80211_BAND_5GHZ) {
+ u8 bound[7];
+ int i, err;
+
+ err = mt76x02_eeprom_copy(dev, MT_EE_TSSI_BOUND1, bound,
+ sizeof(bound));
+ if (err < 0)
+ return err;
+
+ for (i = 0; i < ARRAY_SIZE(bound); i++) {
+ if (chan->hw_value <= bound[i] || !bound[i])
+ break;
+ }
+ val = mt76x02_eeprom_get(dev, MT_EE_TSSI_SLOPE_5G + i * 2);
+
+ tssi_offset = val >> 8;
+ if ((tssi_offset >= 64 && tssi_offset <= 127) ||
+ (tssi_offset & BIT(7)))
+ tssi_offset -= BIT(8);
+ } else {
+ val = mt76x02_eeprom_get(dev, MT_EE_TSSI_SLOPE_2G);
+
+ tssi_offset = val >> 8;
+ if (tssi_offset & BIT(7))
+ tssi_offset -= BIT(8);
+ }
+ tssi_slope = val & 0xff;
+
+ switch (target_pa_power) {
+ case 1:
+ if (chan->band == NL80211_BAND_2GHZ)
+ tssi_target += 29491; /* 3.6 * 8192 */
+ /* fall through */
+ case 0:
+ break;
+ default:
+ tssi_target += 4424; /* 0.54 * 8192 */
+ break;
+ }
+
+ if (!tx_mode) {
+ data = mt76_rr(dev, MT_BBP(CORE, 1));
+ if (is_mt7630(dev) && mt76_is_mmio(dev)) {
+ int offset;
+
+ /* 2.3 * 8192 or 1.5 * 8192 */
+ offset = (data & BIT(5)) ? 18841 : 12288;
+ tssi_target += offset;
+ } else if (data & BIT(5)) {
+ /* 0.8 * 8192 */
+ tssi_target += 6554;
+ }
+ }
+
+ data = mt76_rr(dev, MT_BBP(TXBE, 4));
+ switch (data & 0x3) {
+ case 1:
+ tssi_target -= 49152; /* -6db * 8192 */
+ break;
+ case 2:
+ tssi_target -= 98304; /* -12db * 8192 */
+ break;
+ case 3:
+ tssi_target += 49152; /* 6db * 8192 */
+ break;
+ default:
+ break;
+ }
+
+ tssi_db = mt76x0_phy_lin2db(ltssi - dev->cal.tssi_dc) * tssi_slope;
+ if (chan->band == NL80211_BAND_5GHZ) {
+ tssi_db += ((tssi_offset - 50) << 10); /* offset s4.3 */
+ tssi_target -= tssi_db;
+ if (ltssi > 254 && tssi_target > 0) {
+ /* upper saturate */
+ tssi_target = 0;
+ }
+ } else {
+ tssi_db += (tssi_offset << 9); /* offset s3.4 */
+ tssi_target -= tssi_db;
+ /* upper-lower saturate */
+ if ((ltssi > 126 && tssi_target > 0) ||
+ ((ltssi - dev->cal.tssi_dc) < 1 && tssi_target < 0)) {
+ tssi_target = 0;
+ }
+ }
+
+ if ((dev->cal.tssi_target ^ tssi_target) < 0 &&
+ dev->cal.tssi_target > -4096 && dev->cal.tssi_target < 4096 &&
+ tssi_target > -4096 && tssi_target < 4096) {
+ if ((tssi_target < 0 &&
+ tssi_target + dev->cal.tssi_target > 0) ||
+ (tssi_target > 0 &&
+ tssi_target + dev->cal.tssi_target <= 0))
+ tssi_target = 0;
+ else
+ dev->cal.tssi_target = tssi_target;
+ } else {
+ dev->cal.tssi_target = tssi_target;
+ }
+
+ /* make the compensate value to the nearest compensate code */
+ if (tssi_target > 0)
+ tssi_target += 2048;
+ else
+ tssi_target -= 2048;
+ tssi_target >>= 12;
+
+ ret = mt76_get_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP);
+ if (ret & BIT(5))
+ ret -= BIT(6);
+ ret += tssi_target;
+
+ ret = min_t(int, 31, ret);
+ return max_t(int, -32, ret);
+}
+
+static void mt76x0_phy_tssi_calibrate(struct mt76x02_dev *dev)
+{
+ s8 target_power, target_pa_power;
+ u8 tssi_info[3], tx_mode;
+ s16 ltssi;
+ s8 val;
+
+ if (mt76x0_phy_tssi_adc_calibrate(dev, &ltssi, tssi_info) < 0)
+ return;
+
+ tx_mode = tssi_info[0] & 0x7;
+ if (mt76x0_phy_get_target_power(dev, tx_mode, tssi_info,
+ &target_power, &target_pa_power) < 0)
+ return;
+
+ val = mt76x0_phy_get_delta_power(dev, tx_mode, target_power,
+ target_pa_power, ltssi);
+ mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP, val);
}
void mt76x0_phy_set_txpower(struct mt76x02_dev *dev)
@@ -571,8 +847,8 @@ void mt76x0_phy_set_txpower(struct mt76x02_dev *dev)
struct mt76_rate_power *t = &dev->mt76.rate_power;
u8 info[2];
- mt76x0_get_power_info(dev, info);
mt76x0_get_tx_power_per_rate(dev);
+ mt76x0_get_power_info(dev, info);
mt76x02_add_rate_power_offset(t, info[0]);
mt76x02_limit_rate_power(t, dev->mt76.txpower_conf);
@@ -585,14 +861,25 @@ void mt76x0_phy_set_txpower(struct mt76x02_dev *dev)
void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
{
struct ieee80211_channel *chan = dev->mt76.chandef.chan;
+ int is_5ghz = (chan->band == NL80211_BAND_5GHZ) ? 1 : 0;
u32 val, tx_alc, reg_val;
+ if (is_mt7630(dev))
+ return;
+
if (power_on) {
- mt76x02_mcu_calibrate(dev, MCU_CAL_R, 0, false);
- mt76x02_mcu_calibrate(dev, MCU_CAL_VCO, chan->hw_value,
- false);
+ mt76x02_mcu_calibrate(dev, MCU_CAL_R, 0);
+ mt76x02_mcu_calibrate(dev, MCU_CAL_VCO, chan->hw_value);
usleep_range(10, 20);
- /* XXX: tssi */
+
+ if (mt76x0_tssi_enabled(dev)) {
+ mt76_wr(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_ENABLE_RX);
+ mt76x0_phy_tssi_dc_calibrate(dev);
+ mt76_wr(dev, MT_MAC_SYS_CTRL,
+ MT_MAC_SYS_CTRL_ENABLE_TX |
+ MT_MAC_SYS_CTRL_ENABLE_RX);
+ }
}
tx_alc = mt76_rr(dev, MT_TX_ALC_CFG_0);
@@ -602,7 +889,7 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
reg_val = mt76_rr(dev, MT_BBP(IBI, 9));
mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e);
- if (chan->band == NL80211_BAND_5GHZ) {
+ if (is_5ghz) {
if (chan->hw_value < 100)
val = 0x701;
else if (chan->hw_value < 140)
@@ -613,14 +900,14 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
val = 0x600;
}
- mt76x02_mcu_calibrate(dev, MCU_CAL_FULL, val, false);
+ mt76x02_mcu_calibrate(dev, MCU_CAL_FULL, val);
msleep(350);
- mt76x02_mcu_calibrate(dev, MCU_CAL_LC, 1, false);
+ mt76x02_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz);
usleep_range(15000, 20000);
mt76_wr(dev, MT_BBP(IBI, 9), reg_val);
mt76_wr(dev, MT_TX_ALC_CFG_0, tx_alc);
- mt76x02_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1, false);
+ mt76x02_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1);
}
EXPORT_SYMBOL_GPL(mt76x0_phy_calibrate);
@@ -684,7 +971,7 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev,
}
if (mt76_is_usb(dev)) {
- mt76x0_bbp_set_bw(dev, chandef->width);
+ mt76x0_phy_bbp_set_bw(dev, chandef->width);
} else {
if (chandef->width == NL80211_CHAN_WIDTH_80 ||
chandef->width == NL80211_CHAN_WIDTH_40)
@@ -696,7 +983,6 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev,
mt76x02_phy_set_bw(dev, chandef->width, ch_group_index);
mt76x02_phy_set_band(dev, chandef->chan->band,
ch_group_index & 1);
- mt76x0_ant_select(dev);
mt76_rmw(dev, MT_EXT_CCA_CFG,
(MT_EXT_CCA_CFG_CCA0 |
@@ -710,29 +996,21 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev,
mt76x0_phy_set_chan_rf_params(dev, channel, rf_bw_band);
/* set Japan Tx filter at channel 14 */
- val = mt76_rr(dev, MT_BBP(CORE, 1));
if (channel == 14)
- val |= 0x20;
+ mt76_set(dev, MT_BBP(CORE, 1), 0x20);
else
- val &= ~0x20;
- mt76_wr(dev, MT_BBP(CORE, 1), val);
+ mt76_clear(dev, MT_BBP(CORE, 1), 0x20);
mt76x0_read_rx_gain(dev);
mt76x0_phy_set_chan_bbp_params(dev, rf_bw_band);
- mt76x02_init_agc_gain(dev);
-
- if (mt76_is_usb(dev)) {
- mt76x0_vco_cal(dev, channel);
- } else {
- /* enable vco */
- rf_set(dev, MT_RF(0, 4), BIT(7));
- }
+ /* enable vco */
+ mt76x0_rf_set(dev, MT_RF(0, 4), BIT(7));
if (scan)
return 0;
- if (mt76_is_mmio(dev))
- mt76x0_phy_calibrate(dev, false);
+ mt76x02_init_agc_gain(dev);
+ mt76x0_phy_calibrate(dev, false);
mt76x0_phy_set_txpower(dev);
ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
@@ -741,55 +1019,21 @@ int mt76x0_phy_set_channel(struct mt76x02_dev *dev,
return 0;
}
-void mt76x0_phy_recalibrate_after_assoc(struct mt76x02_dev *dev)
-{
- u32 tx_alc, reg_val;
- u8 channel = dev->mt76.chandef.chan->hw_value;
- int is_5ghz = (dev->mt76.chandef.chan->band == NL80211_BAND_5GHZ) ? 1 : 0;
-
- mt76x02_mcu_calibrate(dev, MCU_CAL_R, 0, false);
-
- mt76x0_vco_cal(dev, channel);
-
- tx_alc = mt76_rr(dev, MT_TX_ALC_CFG_0);
- mt76_wr(dev, MT_TX_ALC_CFG_0, 0);
- usleep_range(500, 700);
-
- reg_val = mt76_rr(dev, MT_BBP(IBI, 9));
- mt76_wr(dev, MT_BBP(IBI, 9), 0xffffff7e);
-
- mt76x02_mcu_calibrate(dev, MCU_CAL_RXDCOC, 0, false);
-
- mt76x02_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz, false);
- mt76x02_mcu_calibrate(dev, MCU_CAL_LOFT, is_5ghz, false);
- mt76x02_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz, false);
- mt76x02_mcu_calibrate(dev, MCU_CAL_TX_GROUP_DELAY, is_5ghz, false);
- mt76x02_mcu_calibrate(dev, MCU_CAL_RXIQ, is_5ghz, false);
- mt76x02_mcu_calibrate(dev, MCU_CAL_RX_GROUP_DELAY, is_5ghz, false);
-
- mt76_wr(dev, MT_BBP(IBI, 9), reg_val);
- mt76_wr(dev, MT_TX_ALC_CFG_0, tx_alc);
- msleep(100);
-
- mt76x02_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1, false);
-}
-
-static void mt76x0_temp_sensor(struct mt76x02_dev *dev)
+static void mt76x0_phy_temp_sensor(struct mt76x02_dev *dev)
{
u8 rf_b7_73, rf_b0_66, rf_b0_67;
s8 val;
- rf_b7_73 = rf_rr(dev, MT_RF(7, 73));
- rf_b0_66 = rf_rr(dev, MT_RF(0, 66));
- rf_b0_67 = rf_rr(dev, MT_RF(0, 67));
+ rf_b7_73 = mt76x0_rf_rr(dev, MT_RF(7, 73));
+ rf_b0_66 = mt76x0_rf_rr(dev, MT_RF(0, 66));
+ rf_b0_67 = mt76x0_rf_rr(dev, MT_RF(0, 67));
- rf_wr(dev, MT_RF(7, 73), 0x02);
- rf_wr(dev, MT_RF(0, 66), 0x23);
- rf_wr(dev, MT_RF(0, 67), 0x01);
+ mt76x0_rf_wr(dev, MT_RF(7, 73), 0x02);
+ mt76x0_rf_wr(dev, MT_RF(0, 66), 0x23);
+ mt76x0_rf_wr(dev, MT_RF(0, 67), 0x01);
mt76_wr(dev, MT_BBP(CORE, 34), 0x00080055);
-
- if (!mt76_poll(dev, MT_BBP(CORE, 34), BIT(4), 0, 2000)) {
+ if (!mt76_poll_msec(dev, MT_BBP(CORE, 34), BIT(4), 0, 200)) {
mt76_clear(dev, MT_BBP(CORE, 34), BIT(4));
goto done;
}
@@ -799,8 +1043,7 @@ static void mt76x0_temp_sensor(struct mt76x02_dev *dev)
if (abs(val - dev->cal.temp_vco) > 20) {
mt76x02_mcu_calibrate(dev, MCU_CAL_VCO,
- dev->mt76.chandef.chan->hw_value,
- false);
+ dev->mt76.chandef.chan->hw_value);
dev->cal.temp_vco = val;
}
if (abs(val - dev->cal.temp) > 30) {
@@ -809,18 +1052,20 @@ static void mt76x0_temp_sensor(struct mt76x02_dev *dev)
}
done:
- rf_wr(dev, MT_RF(7, 73), rf_b7_73);
- rf_wr(dev, MT_RF(0, 66), rf_b0_66);
- rf_wr(dev, MT_RF(0, 67), rf_b0_67);
+ mt76x0_rf_wr(dev, MT_RF(7, 73), rf_b7_73);
+ mt76x0_rf_wr(dev, MT_RF(0, 66), rf_b0_66);
+ mt76x0_rf_wr(dev, MT_RF(0, 67), rf_b0_67);
}
static void mt76x0_phy_set_gain_val(struct mt76x02_dev *dev)
{
u8 gain = dev->cal.agc_gain_cur[0] - dev->cal.agc_gain_adjust;
- u32 val = 0x122c << 16 | 0xf2;
- mt76_wr(dev, MT_BBP(AGC, 8),
- val | FIELD_PREP(MT_BBP_AGC_GAIN, gain));
+ mt76_rmw_field(dev, MT_BBP(AGC, 8), MT_BBP_AGC_GAIN, gain);
+
+ if ((dev->mt76.chandef.chan->flags & IEEE80211_CHAN_RADAR) &&
+ !is_mt7630(dev))
+ mt76x02_phy_dfs_adjust_agc(dev);
}
static void
@@ -835,7 +1080,8 @@ mt76x0_phy_update_channel_gain(struct mt76x02_dev *dev)
low_gain = (dev->cal.avg_rssi_all > mt76x02_get_rssi_gain_thresh(dev)) +
(dev->cal.avg_rssi_all > mt76x02_get_low_rssi_gain_thresh(dev));
- gain_change = (dev->cal.low_gain & 2) ^ (low_gain & 2);
+ gain_change = dev->cal.low_gain < 0 ||
+ (dev->cal.low_gain & 2) ^ (low_gain & 2);
dev->cal.low_gain = low_gain;
if (!gain_change) {
@@ -860,20 +1106,65 @@ static void mt76x0_phy_calibration_work(struct work_struct *work)
cal_work.work);
mt76x0_phy_update_channel_gain(dev);
- if (!mt76x0_tssi_enabled(dev))
- mt76x0_temp_sensor(dev);
+ if (mt76x0_tssi_enabled(dev))
+ mt76x0_phy_tssi_calibrate(dev);
+ else
+ mt76x0_phy_temp_sensor(dev);
ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
- MT_CALIBRATE_INTERVAL);
+ 4 * MT_CALIBRATE_INTERVAL);
}
-static void mt76x0_rf_init(struct mt76x02_dev *dev)
+static void mt76x0_rf_patch_reg_array(struct mt76x02_dev *dev,
+ const struct mt76_reg_pair *rp, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ u32 reg = rp[i].reg;
+ u8 val = rp[i].value;
+
+ switch (reg) {
+ case MT_RF(0, 3):
+ if (mt76_is_mmio(dev)) {
+ if (is_mt7630(dev))
+ val = 0x70;
+ else
+ val = 0x63;
+ } else {
+ val = 0x73;
+ }
+ break;
+ case MT_RF(0, 21):
+ if (is_mt7610e(dev))
+ val = 0x10;
+ else
+ val = 0x12;
+ break;
+ case MT_RF(5, 2):
+ if (is_mt7630(dev))
+ val = 0x1d;
+ else if (is_mt7610e(dev))
+ val = 0x00;
+ else
+ val = 0x0c;
+ break;
+ default:
+ break;
+ }
+ mt76x0_rf_wr(dev, reg, val);
+ }
+}
+
+static void mt76x0_phy_rf_init(struct mt76x02_dev *dev)
{
int i;
u8 val;
- RF_RANDOM_WRITE(dev, mt76x0_rf_central_tab);
- RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab);
+ mt76x0_rf_patch_reg_array(dev, mt76x0_rf_central_tab,
+ ARRAY_SIZE(mt76x0_rf_central_tab));
+ mt76x0_rf_patch_reg_array(dev, mt76x0_rf_2g_channel_0_tab,
+ ARRAY_SIZE(mt76x0_rf_2g_channel_0_tab));
RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab);
RF_RANDOM_WRITE(dev, mt76x0_rf_vga_channel_0_tab);
@@ -881,16 +1172,16 @@ static void mt76x0_rf_init(struct mt76x02_dev *dev)
const struct mt76x0_rf_switch_item *item = &mt76x0_rf_bw_switch_tab[i];
if (item->bw_band == RF_BW_20)
- rf_wr(dev, item->rf_bank_reg, item->value);
+ mt76x0_rf_wr(dev, item->rf_bank_reg, item->value);
else if (((RF_G_BAND | RF_BW_20) & item->bw_band) == (RF_G_BAND | RF_BW_20))
- rf_wr(dev, item->rf_bank_reg, item->value);
+ mt76x0_rf_wr(dev, item->rf_bank_reg, item->value);
}
for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) {
if (mt76x0_rf_band_switch_tab[i].bw_band & RF_G_BAND) {
- rf_wr(dev,
- mt76x0_rf_band_switch_tab[i].rf_bank_reg,
- mt76x0_rf_band_switch_tab[i].value);
+ mt76x0_rf_wr(dev,
+ mt76x0_rf_band_switch_tab[i].rf_bank_reg,
+ mt76x0_rf_band_switch_tab[i].value);
}
}
@@ -899,32 +1190,29 @@ static void mt76x0_rf_init(struct mt76x02_dev *dev)
E1: B0.R22<6:0>: xo_cxo<6:0>
E2: B0.R21<0>: xo_cxo<0>, B0.R22<7:0>: xo_cxo<8:1>
*/
- rf_wr(dev, MT_RF(0, 22),
- min_t(u8, dev->cal.rx.freq_offset, 0xbf));
- val = rf_rr(dev, MT_RF(0, 22));
-
- /*
- Reset the DAC (Set B0.R73<7>=1, then set B0.R73<7>=0, and then set B0.R73<7>) during power up.
+ mt76x0_rf_wr(dev, MT_RF(0, 22),
+ min_t(u8, dev->cal.rx.freq_offset, 0xbf));
+ val = mt76x0_rf_rr(dev, MT_RF(0, 22));
+
+ /* Reset procedure DAC during power-up:
+ * - set B0.R73<7>
+ * - clear B0.R73<7>
+ * - set B0.R73<7>
*/
- val = rf_rr(dev, MT_RF(0, 73));
- val |= 0x80;
- rf_wr(dev, MT_RF(0, 73), val);
- val &= ~0x80;
- rf_wr(dev, MT_RF(0, 73), val);
- val |= 0x80;
- rf_wr(dev, MT_RF(0, 73), val);
+ mt76x0_rf_set(dev, MT_RF(0, 73), BIT(7));
+ mt76x0_rf_clear(dev, MT_RF(0, 73), BIT(7));
+ mt76x0_rf_set(dev, MT_RF(0, 73), BIT(7));
- /*
- vcocal_en (initiate VCO calibration (reset after completion)) - It should be at the end of RF configuration.
- */
- rf_set(dev, MT_RF(0, 4), 0x80);
+ /* vcocal_en: initiate VCO calibration (reset after completion)) */
+ mt76x0_rf_set(dev, MT_RF(0, 4), 0x80);
}
void mt76x0_phy_init(struct mt76x02_dev *dev)
{
INIT_DELAYED_WORK(&dev->cal_work, mt76x0_phy_calibration_work);
- mt76x0_rf_init(dev);
+ mt76x0_phy_ant_select(dev);
+ mt76x0_phy_rf_init(dev);
mt76x02_phy_set_rxpath(dev);
mt76x02_phy_set_txdac(dev);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.