rt2x00: add RT3883 support
authorGabor Juhos <juhosg@openwrt.org>
Wed, 24 Apr 2019 07:49:24 +0000 (09:49 +0200)
committerKalle Valo <kvalo@codeaurora.org>
Thu, 25 Apr 2019 16:58:28 +0000 (19:58 +0300)
Patch add support for RT3883 chip. Code was taken direclty
from openwrt project and merge into one patch.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
drivers/net/wireless/ralink/rt2x00/rt2800.h
drivers/net/wireless/ralink/rt2x00/rt2800lib.c
drivers/net/wireless/ralink/rt2x00/rt2800soc.c

index b05ed2f..06c38ba 100644 (file)
@@ -48,7 +48,8 @@
  * RF2853 2.4G/5G 3T3R
  * RF3320 2.4G 1T1R(RT3350/RT3370/RT3390)
  * RF3322 2.4G 2T2R(RT3352/RT3371/RT3372/RT3391/RT3392)
- * RF3053 2.4G/5G 3T3R(RT3883/RT3563/RT3573/RT3593/RT3662)
+ * RF3053 2.4G/5G 3T3R(RT3563/RT3573/RT3593)
+ * RF3853 2.4G/5G 3T3R(RT3883/RT3662)
  * RF5592 2.4G/5G 2T2R
  * RF3070 2.4G 1T1R
  * RF5360 2.4G 1T1R
@@ -72,6 +73,7 @@
 #define RF5592                         0x000f
 #define RF3070                         0x3070
 #define RF3290                         0x3290
+#define RF3853                         0x3853
 #define RF5350                         0x5350
 #define RF5360                         0x5360
 #define RF5362                         0x5362
 #define TX_PWR_CFG_9B_STBC_MCS7                FIELD32(0x000000ff)
 
 /*
+ * TX_TXBF_CFG:
+ */
+#define TX_TXBF_CFG_0                  0x138c
+#define TX_TXBF_CFG_1                  0x13a4
+#define TX_TXBF_CFG_2                  0x13a8
+#define TX_TXBF_CFG_3                  0x13ac
+
+/*
+ * TX_FBK_CFG_3S:
+ */
+#define TX_FBK_CFG_3S_0                        0x13c4
+#define TX_FBK_CFG_3S_1                        0x13c8
+
+/*
  * RX_FILTER_CFG: RX configuration register.
  */
 #define RX_FILTER_CFG                  0x1400
@@ -2296,6 +2312,7 @@ struct mac_iveiv_entry {
 /*
  * RFCSR 2:
  */
+#define RFCSR2_RESCAL_BP               FIELD8(0x40)
 #define RFCSR2_RESCAL_EN               FIELD8(0x80)
 #define RFCSR2_RX2_EN_MT7620           FIELD8(0x02)
 #define RFCSR2_TX2_EN_MT7620           FIELD8(0x20)
index cb290b5..c8f2bf1 100644 (file)
@@ -381,7 +381,8 @@ static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev,
                      wiphy_name(rt2x00dev->hw->wiphy), word))
                return 0;
 
-       if (rt2x00_rt(rt2x00dev, RT3593))
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883))
                map = rt2800_eeprom_map_ext;
        else
                map = rt2800_eeprom_map;
@@ -590,6 +591,7 @@ void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev,
 {
        switch (rt2x00dev->chip.rt) {
        case RT3593:
+       case RT3883:
                *txwi_size = TXWI_DESC_SIZE_4WORDS;
                *rxwi_size = RXWI_DESC_SIZE_5WORDS;
                break;
@@ -2180,7 +2182,8 @@ void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
        rt2800_bbp_write(rt2x00dev, 3, r3);
        rt2800_bbp_write(rt2x00dev, 1, r1);
 
-       if (rt2x00_rt(rt2x00dev, RT3593)) {
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883)) {
                if (ant->rx_chain_num == 1)
                        rt2800_bbp_write(rt2x00dev, 86, 0x00);
                else
@@ -2202,7 +2205,8 @@ static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
                eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_LNA);
                lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
        } else if (libconf->rf.channel <= 128) {
-               if (rt2x00_rt(rt2x00dev, RT3593)) {
+               if (rt2x00_rt(rt2x00dev, RT3593) ||
+                   rt2x00_rt(rt2x00dev, RT3883)) {
                        eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
                        lna_gain = rt2x00_get_field16(eeprom,
                                                      EEPROM_EXT_LNA2_A1);
@@ -2212,7 +2216,8 @@ static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
                                                      EEPROM_RSSI_BG2_LNA_A1);
                }
        } else {
-               if (rt2x00_rt(rt2x00dev, RT3593)) {
+               if (rt2x00_rt(rt2x00dev, RT3593) ||
+                   rt2x00_rt(rt2x00dev, RT3883)) {
                        eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
                        lna_gain = rt2x00_get_field16(eeprom,
                                                      EEPROM_EXT_LNA2_A2);
@@ -2880,6 +2885,211 @@ static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev,
        }
 }
 
+static void rt2800_config_channel_rf3853(struct rt2x00_dev *rt2x00dev,
+                                        struct ieee80211_conf *conf,
+                                        struct rf_channel *rf,
+                                        struct channel_info *info)
+{
+       u8 rfcsr;
+       u8 bbp;
+       u8 pwr1, pwr2, pwr3;
+
+       const bool txbf_enabled = false; /* TODO */
+
+       /* TODO: add band selection */
+
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+       else if (rf->channel < 132)
+               rt2800_rfcsr_write(rt2x00dev, 6, 0x80);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+
+       rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
+       rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
+
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 11, 0x46);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 11, 0x48);
+
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 12, 0x1a);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
+
+       rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
+       rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+       rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
+
+       switch (rt2x00dev->default_ant.tx_chain_num) {
+       case 3:
+               rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
+               /* fallthrough */
+       case 2:
+               rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
+               /* fallthrough */
+       case 1:
+               rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
+               break;
+       }
+
+       switch (rt2x00dev->default_ant.rx_chain_num) {
+       case 3:
+               rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
+               /* fallthrough */
+       case 2:
+               rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
+               /* fallthrough */
+       case 1:
+               rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
+               break;
+       }
+       rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+       rt2800_freq_cal_mode1(rt2x00dev);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 30);
+       if (!conf_is_ht40(conf))
+               rfcsr &= ~(0x06);
+       else
+               rfcsr |= 0x06;
+       rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
+
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 31, 0xa0);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
+
+       if (conf_is_ht40(conf))
+               rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 32, 0xd8);
+
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 34, 0x20);
+
+       /* loopback RF_BS */
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 36);
+       if (rf->channel <= 14)
+               rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
+       else
+               rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
+       rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
+
+       if (rf->channel <= 14)
+               rfcsr = 0x23;
+       else if (rf->channel < 100)
+               rfcsr = 0x36;
+       else if (rf->channel < 132)
+               rfcsr = 0x32;
+       else
+               rfcsr = 0x30;
+
+       if (txbf_enabled)
+               rfcsr |= 0x40;
+
+       rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
+
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
+
+       if (rf->channel <= 14)
+               rfcsr = 0xbb;
+       else if (rf->channel < 100)
+               rfcsr = 0xeb;
+       else if (rf->channel < 132)
+               rfcsr = 0xb3;
+       else
+               rfcsr = 0x9b;
+       rt2800_rfcsr_write(rt2x00dev, 45, rfcsr);
+
+       if (rf->channel <= 14)
+               rfcsr = 0x8e;
+       else
+               rfcsr = 0x8a;
+
+       if (txbf_enabled)
+               rfcsr |= 0x20;
+
+       rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
+
+       rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 51);
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 52);
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
+
+       if (rf->channel <= 14) {
+               pwr1 = info->default_power1 & 0x1f;
+               pwr2 = info->default_power2 & 0x1f;
+               pwr3 = info->default_power3 & 0x1f;
+       } else {
+               pwr1 = 0x48 | ((info->default_power1 & 0x18) << 1) |
+                       (info->default_power1 & 0x7);
+               pwr2 = 0x48 | ((info->default_power2 & 0x18) << 1) |
+                       (info->default_power2 & 0x7);
+               pwr3 = 0x48 | ((info->default_power3 & 0x18) << 1) |
+                       (info->default_power3 & 0x7);
+       }
+
+       rt2800_rfcsr_write(rt2x00dev, 53, pwr1);
+       rt2800_rfcsr_write(rt2x00dev, 54, pwr2);
+       rt2800_rfcsr_write(rt2x00dev, 55, pwr3);
+
+       rt2x00_dbg(rt2x00dev, "Channel:%d, pwr1:%02x, pwr2:%02x, pwr3:%02x\n",
+                  rf->channel, pwr1, pwr2, pwr3);
+
+       bbp = (info->default_power1 >> 5) |
+             ((info->default_power2 & 0xe0) >> 1);
+       rt2800_bbp_write(rt2x00dev, 109, bbp);
+
+       bbp = rt2800_bbp_read(rt2x00dev, 110);
+       bbp &= 0x0f;
+       bbp |= (info->default_power3 & 0xe0) >> 1;
+       rt2800_bbp_write(rt2x00dev, 110, bbp);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 57);
+       if (rf->channel <= 14)
+               rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
+
+       /* Enable RF tuning */
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 3);
+       rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
+       rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
+
+       udelay(2000);
+
+       bbp = rt2800_bbp_read(rt2x00dev, 49);
+       /* clear update flag */
+       rt2800_bbp_write(rt2x00dev, 49, bbp & 0xfe);
+       rt2800_bbp_write(rt2x00dev, 49, bbp);
+
+       /* TODO: add calibration for TxBF */
+}
+
 #define POWER_BOUND            0x27
 #define POWER_BOUND_5G         0x2b
 
@@ -3683,19 +3893,51 @@ static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
                                  unsigned int channel,
                                  char txpower)
 {
-       if (rt2x00_rt(rt2x00dev, RT3593))
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883))
                txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
 
        if (channel <= 14)
                return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
 
-       if (rt2x00_rt(rt2x00dev, RT3593))
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883))
                return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
                               MAX_A_TXPOWER_3593);
        else
                return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
 }
 
+static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev,
+                             struct rf_channel *rf)
+{
+       u8 bbp;
+
+       bbp = (rf->channel > 14) ? 0x48 : 0x38;
+       rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, bbp);
+
+       rt2800_bbp_write(rt2x00dev, 69, 0x12);
+
+       if (rf->channel <= 14) {
+               rt2800_bbp_write(rt2x00dev, 70, 0x0a);
+       } else {
+               /* Disable CCK packet detection */
+               rt2800_bbp_write(rt2x00dev, 70, 0x00);
+       }
+
+       rt2800_bbp_write(rt2x00dev, 73, 0x10);
+
+       if (rf->channel > 14) {
+               rt2800_bbp_write(rt2x00dev, 62, 0x1d);
+               rt2800_bbp_write(rt2x00dev, 63, 0x1d);
+               rt2800_bbp_write(rt2x00dev, 64, 0x1d);
+       } else {
+               rt2800_bbp_write(rt2x00dev, 62, 0x2d);
+               rt2800_bbp_write(rt2x00dev, 63, 0x2d);
+               rt2800_bbp_write(rt2x00dev, 64, 0x2d);
+       }
+}
+
 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
                                  struct ieee80211_conf *conf,
                                  struct rf_channel *rf,
@@ -3714,6 +3956,12 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
                        rt2800_txpower_to_dev(rt2x00dev, rf->channel,
                                              info->default_power3);
 
+       switch (rt2x00dev->chip.rt) {
+       case RT3883:
+               rt3883_bbp_adjust(rt2x00dev, rf);
+               break;
+       }
+
        switch (rt2x00dev->chip.rf) {
        case RF2020:
        case RF3020:
@@ -3734,6 +3982,9 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
        case RF3322:
                rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
                break;
+       case RF3853:
+               rt2800_config_channel_rf3853(rt2x00dev, conf, rf, info);
+               break;
        case RF3070:
        case RF5350:
        case RF5360:
@@ -3815,6 +4066,15 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
                rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
                rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
                rt2800_bbp_write(rt2x00dev, 77, 0x98);
+       } else if (rt2x00_rt(rt2x00dev, RT3883)) {
+               rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
+               rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
+               rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
+
+               if (rt2x00dev->default_ant.rx_chain_num > 1)
+                       rt2800_bbp_write(rt2x00dev, 86, 0x46);
+               else
+                       rt2800_bbp_write(rt2x00dev, 86, 0);
        } else {
                rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
                rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
@@ -3828,6 +4088,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
                    !rt2x00_rt(rt2x00dev, RT6352)) {
                        if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
                                rt2800_bbp_write(rt2x00dev, 82, 0x62);
+                               rt2800_bbp_write(rt2x00dev, 82, 0x62);
                                rt2800_bbp_write(rt2x00dev, 75, 0x46);
                        } else {
                                if (rt2x00_rt(rt2x00dev, RT3593))
@@ -3836,19 +4097,22 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
                                        rt2800_bbp_write(rt2x00dev, 82, 0x84);
                                rt2800_bbp_write(rt2x00dev, 75, 0x50);
                        }
-                       if (rt2x00_rt(rt2x00dev, RT3593))
+                       if (rt2x00_rt(rt2x00dev, RT3593) ||
+                           rt2x00_rt(rt2x00dev, RT3883))
                                rt2800_bbp_write(rt2x00dev, 83, 0x8a);
                }
 
        } else {
                if (rt2x00_rt(rt2x00dev, RT3572))
                        rt2800_bbp_write(rt2x00dev, 82, 0x94);
-               else if (rt2x00_rt(rt2x00dev, RT3593))
+               else if (rt2x00_rt(rt2x00dev, RT3593) ||
+                        rt2x00_rt(rt2x00dev, RT3883))
                        rt2800_bbp_write(rt2x00dev, 82, 0x82);
                else if (!rt2x00_rt(rt2x00dev, RT6352))
                        rt2800_bbp_write(rt2x00dev, 82, 0xf2);
 
-               if (rt2x00_rt(rt2x00dev, RT3593))
+               if (rt2x00_rt(rt2x00dev, RT3593) ||
+                   rt2x00_rt(rt2x00dev, RT3883))
                        rt2800_bbp_write(rt2x00dev, 83, 0x9a);
 
                if (rt2x00_has_cap_external_lna_a(rt2x00dev))
@@ -3984,6 +4248,23 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
                usleep_range(1000, 1500);
        }
 
+       if (rt2x00_rt(rt2x00dev, RT3883)) {
+               if (!conf_is_ht40(conf))
+                       rt2800_bbp_write(rt2x00dev, 105, 0x34);
+               else
+                       rt2800_bbp_write(rt2x00dev, 105, 0x04);
+
+               /* AGC init */
+               if (rf->channel <= 14)
+                       reg = 0x2e + rt2x00dev->lna_gain;
+               else
+                       reg = 0x20 + ((rt2x00dev->lna_gain * 5) / 3);
+
+               rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
+
+               usleep_range(1000, 1500);
+       }
+
        if (rt2x00_rt(rt2x00dev, RT5592) || rt2x00_rt(rt2x00dev, RT6352)) {
                reg = 0x10;
                if (!conf_is_ht40(conf)) {
@@ -4243,6 +4524,9 @@ static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
        if (rt2x00_rt(rt2x00dev, RT3593))
                return min_t(u8, txpower, 0xc);
 
+       if (rt2x00_rt(rt2x00dev, RT3883))
+               return min_t(u8, txpower, 0xf);
+
        if (rt2x00_has_cap_power_limit(rt2x00dev)) {
                /*
                 * Check if eirp txpower exceed txpower_limit.
@@ -5004,7 +5288,8 @@ static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
                                  struct ieee80211_channel *chan,
                                  int power_level)
 {
-       if (rt2x00_rt(rt2x00dev, RT3593))
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883))
                rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
        else if (rt2x00_rt(rt2x00dev, RT6352))
                rt2800_config_txpower_rt6352(rt2x00dev, chan, power_level);
@@ -5051,6 +5336,7 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
        case RF3053:
        case RF3070:
        case RF3290:
+       case RF3853:
        case RF5350:
        case RF5360:
        case RF5362:
@@ -5251,7 +5537,8 @@ static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
                else
                        vgc = 0x2e + rt2x00dev->lna_gain;
        } else { /* 5GHZ band */
-               if (rt2x00_rt(rt2x00dev, RT3593))
+               if (rt2x00_rt(rt2x00dev, RT3593) ||
+                   rt2x00_rt(rt2x00dev, RT3883))
                        vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
                else if (rt2x00_rt(rt2x00dev, RT5592))
                        vgc = 0x24 + (2 * rt2x00dev->lna_gain);
@@ -5271,7 +5558,8 @@ static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
 {
        if (qual->vgc_level != vgc_level) {
                if (rt2x00_rt(rt2x00dev, RT3572) ||
-                   rt2x00_rt(rt2x00dev, RT3593)) {
+                   rt2x00_rt(rt2x00dev, RT3593) ||
+                   rt2x00_rt(rt2x00dev, RT3883)) {
                        rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
                                                       vgc_level);
                } else if (rt2x00_rt(rt2x00dev, RT5592)) {
@@ -5318,6 +5606,11 @@ void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
                }
                break;
 
+       case RT3883:
+               if (qual->rssi > -65)
+                       vgc += 0x10;
+               break;
+
        case RT5592:
                if (qual->rssi > -65)
                        vgc += 0x20;
@@ -5470,6 +5763,12 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
                        rt2800_register_write(rt2x00dev, TX_SW_CFG2,
                                              0x00000000);
                }
+       } else if (rt2x00_rt(rt2x00dev, RT3883)) {
+               rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
+               rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+               rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00040000);
+               rt2800_register_write(rt2x00dev, TX_TXBF_CFG_0, 0x8000fc21);
+               rt2800_register_write(rt2x00dev, TX_TXBF_CFG_3, 0x00009c40);
        } else if (rt2x00_rt(rt2x00dev, RT5390) ||
                   rt2x00_rt(rt2x00dev, RT5392) ||
                   rt2x00_rt(rt2x00dev, RT6352)) {
@@ -5683,6 +5982,11 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
        reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
        rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
 
+       if (rt2x00_rt(rt2x00dev, RT3883)) {
+               rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_0, 0x12111008);
+               rt2800_register_write(rt2x00dev, TX_FBK_CFG_3S_1, 0x16151413);
+       }
+
        reg = rt2800_register_read(rt2x00dev, TX_RTS_CFG);
        rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 7);
        rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
@@ -6299,6 +6603,47 @@ static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev)
                rt2800_bbp_write(rt2x00dev, 103, 0xc0);
 }
 
+static void rt2800_init_bbp_3883(struct rt2x00_dev *rt2x00dev)
+{
+       rt2800_init_bbp_early(rt2x00dev);
+
+       rt2800_bbp_write(rt2x00dev, 4, 0x50);
+       rt2800_bbp_write(rt2x00dev, 47, 0x48);
+
+       rt2800_bbp_write(rt2x00dev, 86, 0x46);
+       rt2800_bbp_write(rt2x00dev, 88, 0x90);
+
+       rt2800_bbp_write(rt2x00dev, 92, 0x02);
+
+       rt2800_bbp_write(rt2x00dev, 103, 0xc0);
+       rt2800_bbp_write(rt2x00dev, 104, 0x92);
+       rt2800_bbp_write(rt2x00dev, 105, 0x34);
+       rt2800_bbp_write(rt2x00dev, 106, 0x12);
+       rt2800_bbp_write(rt2x00dev, 120, 0x50);
+       rt2800_bbp_write(rt2x00dev, 137, 0x0f);
+       rt2800_bbp_write(rt2x00dev, 163, 0x9d);
+
+       /* Set ITxBF timeout to 0x9C40=1000msec */
+       rt2800_bbp_write(rt2x00dev, 179, 0x02);
+       rt2800_bbp_write(rt2x00dev, 180, 0x00);
+       rt2800_bbp_write(rt2x00dev, 182, 0x40);
+       rt2800_bbp_write(rt2x00dev, 180, 0x01);
+       rt2800_bbp_write(rt2x00dev, 182, 0x9c);
+
+       rt2800_bbp_write(rt2x00dev, 179, 0x00);
+
+       /* Reprogram the inband interface to put right values in RXWI */
+       rt2800_bbp_write(rt2x00dev, 142, 0x04);
+       rt2800_bbp_write(rt2x00dev, 143, 0x3b);
+       rt2800_bbp_write(rt2x00dev, 142, 0x06);
+       rt2800_bbp_write(rt2x00dev, 143, 0xa0);
+       rt2800_bbp_write(rt2x00dev, 142, 0x07);
+       rt2800_bbp_write(rt2x00dev, 143, 0xa1);
+       rt2800_bbp_write(rt2x00dev, 142, 0x08);
+       rt2800_bbp_write(rt2x00dev, 143, 0xa2);
+       rt2800_bbp_write(rt2x00dev, 148, 0xc8);
+}
+
 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
 {
        int ant, div_mode;
@@ -6743,6 +7088,9 @@ static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
        case RT3593:
                rt2800_init_bbp_3593(rt2x00dev);
                return;
+       case RT3883:
+               rt2800_init_bbp_3883(rt2x00dev);
+               return;
        case RT5390:
        case RT5392:
                rt2800_init_bbp_53xx(rt2x00dev);
@@ -7614,6 +7962,144 @@ static void rt2800_init_rfcsr_5350(struct rt2x00_dev *rt2x00dev)
        rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
 }
 
+static void rt2800_init_rfcsr_3883(struct rt2x00_dev *rt2x00dev)
+{
+       u8 rfcsr;
+
+       /* TODO: get the actual ECO value from the SoC */
+       const unsigned int eco = 5;
+
+       rt2800_rf_init_calibration(rt2x00dev, 2);
+
+       rt2800_rfcsr_write(rt2x00dev, 0, 0xe0);
+       rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
+       rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
+       rt2800_rfcsr_write(rt2x00dev, 3, 0x20);
+       rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
+       rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 8, 0x5b);
+       rt2800_rfcsr_write(rt2x00dev, 9, 0x08);
+       rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
+       rt2800_rfcsr_write(rt2x00dev, 11, 0x48);
+       rt2800_rfcsr_write(rt2x00dev, 12, 0x1a);
+       rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
+       rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
+
+       /* RFCSR 17 will be initialized later based on the
+        * frequency offset stored in the EEPROM
+        */
+
+       rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
+       rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
+       rt2800_rfcsr_write(rt2x00dev, 23, 0xc0);
+       rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
+       rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
+       rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
+       rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 34, 0x20);
+       rt2800_rfcsr_write(rt2x00dev, 35, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 37, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
+       rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
+       rt2800_rfcsr_write(rt2x00dev, 40, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 41, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 42, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
+       rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
+       rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
+       rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
+       rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
+       rt2800_rfcsr_write(rt2x00dev, 51, 0x51);
+       rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
+       rt2800_rfcsr_write(rt2x00dev, 53, 0x76);
+       rt2800_rfcsr_write(rt2x00dev, 54, 0x76);
+       rt2800_rfcsr_write(rt2x00dev, 55, 0x76);
+       rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
+       rt2800_rfcsr_write(rt2x00dev, 57, 0x3e);
+       rt2800_rfcsr_write(rt2x00dev, 58, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
+
+       /* TODO: rx filter calibration? */
+
+       rt2800_bbp_write(rt2x00dev, 137, 0x0f);
+
+       rt2800_bbp_write(rt2x00dev, 163, 0x9d);
+
+       rt2800_bbp_write(rt2x00dev, 105, 0x05);
+
+       rt2800_bbp_write(rt2x00dev, 179, 0x02);
+       rt2800_bbp_write(rt2x00dev, 180, 0x00);
+       rt2800_bbp_write(rt2x00dev, 182, 0x40);
+       rt2800_bbp_write(rt2x00dev, 180, 0x01);
+       rt2800_bbp_write(rt2x00dev, 182, 0x9c);
+
+       rt2800_bbp_write(rt2x00dev, 179, 0x00);
+
+       rt2800_bbp_write(rt2x00dev, 142, 0x04);
+       rt2800_bbp_write(rt2x00dev, 143, 0x3b);
+       rt2800_bbp_write(rt2x00dev, 142, 0x06);
+       rt2800_bbp_write(rt2x00dev, 143, 0xa0);
+       rt2800_bbp_write(rt2x00dev, 142, 0x07);
+       rt2800_bbp_write(rt2x00dev, 143, 0xa1);
+       rt2800_bbp_write(rt2x00dev, 142, 0x08);
+       rt2800_bbp_write(rt2x00dev, 143, 0xa2);
+       rt2800_bbp_write(rt2x00dev, 148, 0xc8);
+
+       if (eco == 5) {
+               rt2800_rfcsr_write(rt2x00dev, 32, 0xd8);
+               rt2800_rfcsr_write(rt2x00dev, 33, 0x32);
+       }
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 2);
+       rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_BP, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
+       rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+       msleep(1);
+       rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
+       rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 1);
+       rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+       rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 6);
+       rfcsr |= 0xc0;
+       rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 22);
+       rfcsr |= 0x20;
+       rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 46);
+       rfcsr |= 0x20;
+       rt2800_rfcsr_write(rt2x00dev, 46, rfcsr);
+
+       rfcsr = rt2800_rfcsr_read(rt2x00dev, 20);
+       rfcsr &= ~0xee;
+       rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
+}
+
 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
 {
        rt2800_rf_init_calibration(rt2x00dev, 2);
@@ -8456,6 +8942,9 @@ static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
        case RT3390:
                rt2800_init_rfcsr_3390(rt2x00dev);
                break;
+       case RT3883:
+               rt2800_init_rfcsr_3883(rt2x00dev);
+               break;
        case RT3572:
                rt2800_init_rfcsr_3572(rt2x00dev);
                break;
@@ -8661,7 +9150,8 @@ static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
 {
        u16 word;
 
-       if (rt2x00_rt(rt2x00dev, RT3593))
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883))
                return 0;
 
        word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG);
@@ -8675,7 +9165,8 @@ static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
 {
        u16 word;
 
-       if (rt2x00_rt(rt2x00dev, RT3593))
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883))
                return 0;
 
        word = rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A);
@@ -8781,7 +9272,8 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
        word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2);
        if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
                rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
-       if (!rt2x00_rt(rt2x00dev, RT3593)) {
+       if (!rt2x00_rt(rt2x00dev, RT3593) &&
+           !rt2x00_rt(rt2x00dev, RT3883)) {
                if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
                    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
                        rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
@@ -8801,7 +9293,8 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
        word = rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2);
        if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
                rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
-       if (!rt2x00_rt(rt2x00dev, RT3593)) {
+       if (!rt2x00_rt(rt2x00dev, RT3593) &&
+           !rt2x00_rt(rt2x00dev, RT3883)) {
                if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
                    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
                        rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
@@ -8809,7 +9302,8 @@ static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
        }
        rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
 
-       if (rt2x00_rt(rt2x00dev, RT3593)) {
+       if (rt2x00_rt(rt2x00dev, RT3593) ||
+           rt2x00_rt(rt2x00dev, RT3883)) {
                word = rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2);
                if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 ||
                    rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff)
@@ -8848,6 +9342,8 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
                rf = rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID);
        else if (rt2x00_rt(rt2x00dev, RT3352))
                rf = RF3322;
+       else if (rt2x00_rt(rt2x00dev, RT3883))
+               rf = RF3853;
        else if (rt2x00_rt(rt2x00dev, RT5350))
                rf = RF5350;
        else
@@ -8868,6 +9364,7 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
        case RF3290:
        case RF3320:
        case RF3322:
+       case RF3853:
        case RF5350:
        case RF5360:
        case RF5362:
@@ -9154,6 +9651,66 @@ static const struct rf_channel rf_vals_3x_xtal20[] = {
        {14,   0xF0,     2,  0x18},
 };
 
+static const struct rf_channel rf_vals_3853[] = {
+       {1,  241, 6, 2},
+       {2,  241, 6, 7},
+       {3,  242, 6, 2},
+       {4,  242, 6, 7},
+       {5,  243, 6, 2},
+       {6,  243, 6, 7},
+       {7,  244, 6, 2},
+       {8,  244, 6, 7},
+       {9,  245, 6, 2},
+       {10, 245, 6, 7},
+       {11, 246, 6, 2},
+       {12, 246, 6, 7},
+       {13, 247, 6, 2},
+       {14, 248, 6, 4},
+
+       {36, 0x56, 8, 4},
+       {38, 0x56, 8, 6},
+       {40, 0x56, 8, 8},
+       {44, 0x57, 8, 0},
+       {46, 0x57, 8, 2},
+       {48, 0x57, 8, 4},
+       {52, 0x57, 8, 8},
+       {54, 0x57, 8, 10},
+       {56, 0x58, 8, 0},
+       {60, 0x58, 8, 4},
+       {62, 0x58, 8, 6},
+       {64, 0x58, 8, 8},
+
+       {100, 0x5b, 8, 8},
+       {102, 0x5b, 8, 10},
+       {104, 0x5c, 8, 0},
+       {108, 0x5c, 8, 4},
+       {110, 0x5c, 8, 6},
+       {112, 0x5c, 8, 8},
+       {114, 0x5c, 8, 10},
+       {116, 0x5d, 8, 0},
+       {118, 0x5d, 8, 2},
+       {120, 0x5d, 8, 4},
+       {124, 0x5d, 8, 8},
+       {126, 0x5d, 8, 10},
+       {128, 0x5e, 8, 0},
+       {132, 0x5e, 8, 4},
+       {134, 0x5e, 8, 6},
+       {136, 0x5e, 8, 8},
+       {140, 0x5f, 8, 0},
+
+       {149, 0x5f, 8, 9},
+       {151, 0x5f, 8, 11},
+       {153, 0x60, 8, 1},
+       {157, 0x60, 8, 5},
+       {159, 0x60, 8, 7},
+       {161, 0x60, 8, 9},
+       {165, 0x61, 8, 1},
+       {167, 0x61, 8, 3},
+       {169, 0x61, 8, 5},
+       {171, 0x61, 8, 7},
+       {173, 0x61, 8, 9},
+};
+
 static const struct rf_channel rf_vals_5592_xtal20[] = {
        /* Channel, N, K, mod, R */
        {1, 482, 4, 10, 3},
@@ -9417,6 +9974,11 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
                spec->channels = rf_vals_3x;
                break;
 
+       case RF3853:
+               spec->num_channels = ARRAY_SIZE(rf_vals_3853);
+               spec->channels = rf_vals_3853;
+               break;
+
        case RF5592:
                reg = rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX);
                if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
@@ -9536,6 +10098,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
        case RF3053:
        case RF3070:
        case RF3290:
+       case RF3853:
        case RF5350:
        case RF5360:
        case RF5362:
@@ -9578,6 +10141,7 @@ static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
        case RT3390:
        case RT3572:
        case RT3593:
+       case RT3883:
        case RT5350:
        case RT5390:
        case RT5392:
index cc9c2a1..4e9e387 100644 (file)
@@ -51,9 +51,16 @@ static bool rt2800soc_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
 
 static void rt2800soc_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
+       u32 reg;
+
        rt2800_disable_radio(rt2x00dev);
        rt2x00mmio_register_write(rt2x00dev, PWR_PIN_CFG, 0);
-       rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, 0);
+
+       reg = 0;
+       if (rt2x00_rt(rt2x00dev, RT3883))
+               rt2x00_set_field32(&reg, TX_PIN_CFG_RFTR_EN, 1);
+
+       rt2x00mmio_register_write(rt2x00dev, TX_PIN_CFG, reg);
 }
 
 static int rt2800soc_set_device_state(struct rt2x00_dev *rt2x00dev,