From: Roman Yeryomin <[email protected]>

Basic support for MT7620 built-in wireless radio was added to
OpenWrt in r41441. It has seen some heavy cleaning and refactoring
since in order to match the Kernel's code quality standards.

Signed-off-by: Roman Yeryomin <[email protected]>
Signed-off-by: Daniel Golle <[email protected]>
---
 drivers/net/wireless/ralink/rt2x00/Kconfig     |    2 +-
 drivers/net/wireless/ralink/rt2x00/rt2800.h    |  150 ++++
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 1081 +++++++++++++++++++++++-
 3 files changed, 1209 insertions(+), 24 deletions(-)

diff --git a/drivers/net/wireless/ralink/rt2x00/Kconfig 
b/drivers/net/wireless/ralink/rt2x00/Kconfig
index de62f5dcb62f..a1d1cfe214d2 100644
--- a/drivers/net/wireless/ralink/rt2x00/Kconfig
+++ b/drivers/net/wireless/ralink/rt2x00/Kconfig
@@ -201,7 +201,7 @@ endif
 
 config RT2800SOC
        tristate "Ralink WiSoC support"
-       depends on SOC_RT288X || SOC_RT305X
+       depends on SOC_RT288X || SOC_RT305X || SOC_MT7620
        select RT2X00_LIB_SOC
        select RT2X00_LIB_MMIO
        select RT2X00_LIB_CRYPTO
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800.h 
b/drivers/net/wireless/ralink/rt2x00/rt2800.h
index fd1dbd956bad..4f70c0889129 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h
@@ -79,6 +79,7 @@
 #define RF5372                         0x5372
 #define RF5390                         0x5390
 #define RF5392                         0x5392
+#define RF7620                         0x7620
 
 /*
  * Chipset revisions.
@@ -639,6 +640,14 @@
 #define RF_CSR_CFG_BUSY                        FIELD32(0x00020000)
 
 /*
+ * MT7620 RF registers (reversed order)
+ */
+#define RF_CSR_CFG_DATA_MT7620         FIELD32(0x0000ff00)
+#define RF_CSR_CFG_REGNUM_MT7620       FIELD32(0x03ff0000)
+#define RF_CSR_CFG_WRITE_MT7620                FIELD32(0x00000010)
+#define RF_CSR_CFG_BUSY_MT7620         FIELD32(0x00000001)
+
+/*
  * EFUSE_CSR: RT30x0 EEPROM
  */
 #define EFUSE_CTRL                     0x0580
@@ -1022,6 +1031,16 @@
 #define AUTOWAKEUP_CFG_AUTOWAKE                FIELD32(0x00008000)
 
 /*
+ * MIMO_PS_CFG: MIMO Power-save Configuration
+ */
+#define MIMO_PS_CFG                    0x1210
+#define MIMO_PS_CFG_MMPS_BB_EN         FIELD32(0x00000001)
+#define MIMO_PS_CFG_MMPS_RX_ANT_NUM    FIELD32(0x00000006)
+#define MIMO_PS_CFG_MMPS_RF_EN         FIELD32(0x00000008)
+#define MIMO_PS_CFG_RX_STBY_POL                FIELD32(0x00000010)
+#define MIMO_PS_CFG_RX_RX_STBY0                FIELD32(0x00000020)
+
+/*
  * EDCA_AC0_CFG:
  */
 #define EDCA_AC0_CFG                   0x1300
@@ -1095,6 +1114,12 @@
 #define TX_PWR_CFG_0_OFDM6_CH1         FIELD32(0x00f00000)
 #define TX_PWR_CFG_0_OFDM12_CH0                FIELD32(0x0f000000)
 #define TX_PWR_CFG_0_OFDM12_CH1                FIELD32(0xf0000000)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_0B_1MBS_2MBS                FIELD32(0x000000ff)
+#define TX_PWR_CFG_0B_5MBS_11MBS               FIELD32(0x0000ff00)
+#define TX_PWR_CFG_0B_6MBS_9MBS                FIELD32(0x00ff0000)
+#define TX_PWR_CFG_0B_12MBS_18MBS      FIELD32(0xff000000)
+
 
 /*
  * TX_PWR_CFG_1:
@@ -1117,6 +1142,11 @@
 #define TX_PWR_CFG_1_MCS0_CH1          FIELD32(0x00f00000)
 #define TX_PWR_CFG_1_MCS2_CH0          FIELD32(0x0f000000)
 #define TX_PWR_CFG_1_MCS2_CH1          FIELD32(0xf0000000)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_1B_24MBS_36MBS      FIELD32(0x000000ff)
+#define TX_PWR_CFG_1B_48MBS            FIELD32(0x0000ff00)
+#define TX_PWR_CFG_1B_MCS0_MCS1                FIELD32(0x00ff0000)
+#define TX_PWR_CFG_1B_MCS2_MCS3                FIELD32(0xff000000)
 
 /*
  * TX_PWR_CFG_2:
@@ -1139,6 +1169,11 @@
 #define TX_PWR_CFG_2_MCS8_CH1          FIELD32(0x00f00000)
 #define TX_PWR_CFG_2_MCS10_CH0         FIELD32(0x0f000000)
 #define TX_PWR_CFG_2_MCS10_CH1         FIELD32(0xf0000000)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_2B_MCS4_MCS5                FIELD32(0x000000ff)
+#define TX_PWR_CFG_2B_MCS6_MCS7                FIELD32(0x0000ff00)
+#define TX_PWR_CFG_2B_MCS8_MCS9                FIELD32(0x00ff0000)
+#define TX_PWR_CFG_2B_MCS10_MCS11      FIELD32(0xff000000)
 
 /*
  * TX_PWR_CFG_3:
@@ -1161,6 +1196,11 @@
 #define TX_PWR_CFG_3_STBC0_CH1         FIELD32(0x00f00000)
 #define TX_PWR_CFG_3_STBC2_CH0         FIELD32(0x0f000000)
 #define TX_PWR_CFG_3_STBC2_CH1         FIELD32(0xf0000000)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_3B_MCS12_MCS13      FIELD32(0x000000ff)
+#define TX_PWR_CFG_3B_MCS14            FIELD32(0x0000ff00)
+#define TX_PWR_CFG_3B_STBC_MCS0_MCS1   FIELD32(0x00ff0000)
+#define TX_PWR_CFG_3B_STBC_MCS2_MSC3   FIELD32(0xff000000)
 
 /*
  * TX_PWR_CFG_4:
@@ -1175,6 +1215,9 @@
 #define TX_PWR_CFG_4_STBC4_CH1         FIELD32(0x000000f0)
 #define TX_PWR_CFG_4_STBC6_CH0         FIELD32(0x00000f00)
 #define TX_PWR_CFG_4_STBC6_CH1         FIELD32(0x0000f000)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_4B_STBC_MCS4_MCS5   FIELD32(0x000000ff)
+#define TX_PWR_CFG_4B_STBC_MCS6                FIELD32(0x0000ff00)
 
 /*
  * TX_PIN_CFG:
@@ -1201,6 +1244,8 @@
 #define TX_PIN_CFG_RFTR_POL            FIELD32(0x00020000)
 #define TX_PIN_CFG_TRSW_EN             FIELD32(0x00040000)
 #define TX_PIN_CFG_TRSW_POL            FIELD32(0x00080000)
+#define TX_PIN_CFG_RFRX_EN             FIELD32(0x00100000)
+#define TX_PIN_CFG_RFRX_POL            FIELD32(0x00200000)
 #define TX_PIN_CFG_PA_PE_A2_EN         FIELD32(0x01000000)
 #define TX_PIN_CFG_PA_PE_G2_EN         FIELD32(0x02000000)
 #define TX_PIN_CFG_PA_PE_A2_POL                FIELD32(0x04000000)
@@ -1547,6 +1592,95 @@
 #define TX_PWR_CFG_4_EXT_STBC4_CH2     FIELD32(0x0000000f)
 #define TX_PWR_CFG_4_EXT_STBC6_CH2     FIELD32(0x00000f00)
 
+/* TXn_RF_GAIN_CORRECT: RF Gain Correction for each RF_ALC[3:2]
+ * Unit: 0.1 dB, Range: -3.2 dB to 3.1 dB
+ */
+#define TX0_RF_GAIN_CORRECT            0x13a0
+#define TX0_RF_GAIN_CORRECT_GAIN_CORR_0        FIELD32(0x0000003f)
+#define TX0_RF_GAIN_CORRECT_GAIN_CORR_1        FIELD32(0x00003f00)
+#define TX0_RF_GAIN_CORRECT_GAIN_CORR_2        FIELD32(0x003f0000)
+#define TX0_RF_GAIN_CORRECT_GAIN_CORR_3        FIELD32(0x3f000000)
+
+#define TX1_RF_GAIN_CORRECT            0x13a4
+#define TX1_RF_GAIN_CORRECT_GAIN_CORR_0        FIELD32(0x0000003f)
+#define TX1_RF_GAIN_CORRECT_GAIN_CORR_1        FIELD32(0x00003f00)
+#define TX1_RF_GAIN_CORRECT_GAIN_CORR_2        FIELD32(0x003f0000)
+#define TX1_RF_GAIN_CORRECT_GAIN_CORR_3        FIELD32(0x3f000000)
+
+/* TXn_RF_GAIN_ATTEN: TXn RF Gain Attenuation Level
+ * Format: 7-bit, signed value
+ * Unit: 0.5 dB, Range: -20 dB to -5 dB
+ */
+#define TX0_RF_GAIN_ATTEN              0x13a8
+#define TX0_RF_GAIN_ATTEN_LEVEL_0      FIELD32(0x0000007f)
+#define TX0_RF_GAIN_ATTEN_LEVEL_1      FIELD32(0x00007f00)
+#define TX0_RF_GAIN_ATTEN_LEVEL_2      FIELD32(0x007f0000)
+#define TX0_RF_GAIN_ATTEN_LEVEL_3      FIELD32(0x7f000000)
+#define TX1_RF_GAIN_ATTEN              0x13ac
+#define TX1_RF_GAIN_ATTEN_LEVEL_0      FIELD32(0x0000007f)
+#define TX1_RF_GAIN_ATTEN_LEVEL_1      FIELD32(0x00007f00)
+#define TX1_RF_GAIN_ATTEN_LEVEL_2      FIELD32(0x007f0000)
+#define TX1_RF_GAIN_ATTEN_LEVEL_3      FIELD32(0x7f000000)
+
+/* TX_ALC_CFG_0: TX Automatic Level Control Configuration 0
+ * TX_ALC_LIMIT_n: TXn upper limit
+ * TX_ALC_CH_INIT_n: TXn channel initial transmission gain
+ * Unit: 0.5 dB, Range: 0 to 23.5 dB
+ */
+#define TX_ALC_CFG_0                   0x13b0
+#define TX_ALC_CFG_0_CH_INIT_0         FIELD32(0x0000003f)
+#define TX_ALC_CFG_0_CH_INIT_1         FIELD32(0x00003f00)
+#define TX_ALC_CFG_0_LIMIT_0           FIELD32(0x003f0000)
+#define TX_ALC_CFG_0_LIMIT_1           FIELD32(0x3f000000)
+
+/* TX_ALC_CFG_1: TX Automatic Level Control Configuration 1
+ * TX_TEMP_COMP:      TX Power Temperature Compensation
+ *                    Unit: 0.5 dB, Range: -10 dB to 10 dB
+ * TXn_GAIN_FINE:     TXn Gain Fine Adjustment
+ *                    Unit: 0.1 dB, Range: -0.8 dB to 0.7 dB
+ * RF_TOS_DLY:        Sets the RF_TOS_EN assertion delay after
+ *                    deassertion of PA_PE.
+ *                    Unit: 0.25 usec
+ * TXn_RF_GAIN_ATTEN: TXn RF gain attentuation selector
+ * RF_TOS_TIMEOUT:    time-out value for RF_TOS_ENABLE
+ *                    deassertion if RF_TOS_DONE is missing.
+ *                    Unit: 0.25 usec
+ * RF_TOS_ENABLE:     TX offset calibration enable
+ * ROS_BUSY_EN:       RX offset calibration busy enable
+ */
+#define TX_ALC_CFG_1                   0x13b4
+#define TX_ALC_CFG_1_TX_TEMP_COMP      FIELD32(0x0000003f)
+#define TX_ALC_CFG_1_TX0_GAIN_FINE     FIELD32(0x00000f00)
+#define TX_ALC_CFG_1_TX1_GAIN_FINE     FIELD32(0x0000f000)
+#define TX_ALC_CFG_1_RF_TOS_DLY                FIELD32(0x00070000)
+#define TX_ALC_CFG_1_TX0_RF_GAIN_ATTEN FIELD32(0x00300000)
+#define TX_ALC_CFG_1_TX1_RF_GAIN_ATTEN FIELD32(0x00c00000)
+#define TX_ALC_CFG_1_RF_TOS_TIMEOUT    FIELD32(0x3f000000)
+#define TX_ALC_CFG_1_RF_TOS_ENABLE     FIELD32(0x40000000)
+#define TX_ALC_CFG_1_ROS_BUSY_EN       FIELD32(0x80000000)
+
+/* TXn_BB_GAIN_ATTEN: TXn RF Gain Attenuation Level
+ * Format: 5-bit signed values
+ * Unit: 0.5 dB, Range: -8 dB to 7 dB
+ */
+#define TX0_BB_GAIN_ATTEN              0x13c0
+#define TX0_BB_GAIN_ATTEN_LEVEL_0      FIELD32(0x0000001f)
+#define TX0_BB_GAIN_ATTEN_LEVEL_1      FIELD32(0x00001f00)
+#define TX0_BB_GAIN_ATTEN_LEVEL_2      FIELD32(0x001f0000)
+#define TX0_BB_GAIN_ATTEN_LEVEL_3      FIELD32(0x1f000000)
+#define TX1_BB_GAIN_ATTEN              0x13c4
+#define TX1_BB_GAIN_ATTEN_LEVEL_0      FIELD32(0x0000001f)
+#define TX1_BB_GAIN_ATTEN_LEVEL_1      FIELD32(0x00001f00)
+#define TX1_BB_GAIN_ATTEN_LEVEL_2      FIELD32(0x001f0000)
+#define TX1_BB_GAIN_ATTEN_LEVEL_3      FIELD32(0x1f000000)
+
+/* TX_ALC_VGA3: TX Automatic Level Correction Variable Gain Amplifier 3 */
+#define TX_ALC_VGA3                    0x13c8
+#define TX_ALC_VGA3_TX0_ALC_VGA3       FIELD32(0x0000001f)
+#define TX_ALC_VGA3_TX1_ALC_VGA3       FIELD32(0x00001f00)
+#define TX_ALC_VGA3_TX0_ALC_VGA2       FIELD32(0x001f0000)
+#define TX_ALC_VGA3_TX1_ALC_VGA2       FIELD32(0x1f000000)
+
 /* TX_PWR_CFG_7 */
 #define TX_PWR_CFG_7                   0x13d4
 #define TX_PWR_CFG_7_OFDM54_CH0                FIELD32(0x0000000f)
@@ -1555,6 +1689,10 @@
 #define TX_PWR_CFG_7_MCS7_CH0          FIELD32(0x000f0000)
 #define TX_PWR_CFG_7_MCS7_CH1          FIELD32(0x00f00000)
 #define TX_PWR_CFG_7_MCS7_CH2          FIELD32(0x0f000000)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_7B_54MBS            FIELD32(0x000000ff)
+#define TX_PWR_CFG_7B_MCS7             FIELD32(0x00ff0000)
+
 
 /* TX_PWR_CFG_8 */
 #define TX_PWR_CFG_8                   0x13d8
@@ -1564,12 +1702,17 @@
 #define TX_PWR_CFG_8_MCS23_CH0         FIELD32(0x000f0000)
 #define TX_PWR_CFG_8_MCS23_CH1         FIELD32(0x00f00000)
 #define TX_PWR_CFG_8_MCS23_CH2         FIELD32(0x0f000000)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_8B_MCS15            FIELD32(0x000000ff)
+
 
 /* TX_PWR_CFG_9 */
 #define TX_PWR_CFG_9                   0x13dc
 #define TX_PWR_CFG_9_STBC7_CH0         FIELD32(0x0000000f)
 #define TX_PWR_CFG_9_STBC7_CH1         FIELD32(0x000000f0)
 #define TX_PWR_CFG_9_STBC7_CH2         FIELD32(0x00000f00)
+/* bits for new 2T devices */
+#define TX_PWR_CFG_9B_STBC_MCS7                FIELD32(0x000000ff)
 
 /*
  * RX_FILTER_CFG: RX configuration register.
@@ -2160,6 +2303,12 @@ struct mac_iveiv_entry {
 #define RFCSR3_BIT5                    FIELD8(0x20)
 
 /*
+ * RFCSR 4:
+ * VCOCAL_EN used by MT7620
+ */
+#define RFCSR4_VCOCAL_EN               FIELD8(0x80)
+
+/*
  * FRCSR 5:
  */
 #define RFCSR5_R1                      FIELD8(0x0c)
@@ -2435,6 +2584,7 @@ enum rt2800_eeprom_word {
        EEPROM_TSSI_BOUND_BG5,
        EEPROM_TXPOWER_A1,
        EEPROM_TXPOWER_A2,
+       EEPROM_TXPOWER_INIT,
        EEPROM_TSSI_BOUND_A1,
        EEPROM_TSSI_BOUND_A2,
        EEPROM_TSSI_BOUND_A3,
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c 
b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 8d00c599e47a..604a73c884a2 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -59,6 +59,9 @@
        rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
 #define WAIT_FOR_RFCSR(__dev, __reg) \
        rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
+#define WAIT_FOR_RFCSR_MT7620(__dev, __reg) \
+       rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY_MT7620, \
+                           (__reg))
 #define WAIT_FOR_RF(__dev, __reg) \
        rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
 #define WAIT_FOR_MCU(__dev, __reg) \
@@ -150,19 +153,56 @@ static void rt2800_rfcsr_write(struct rt2x00_dev 
*rt2x00dev,
         * Wait until the RFCSR becomes available, afterwards we
         * can safely write the new data into the register.
         */
-       if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
-               reg = 0;
-               rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
-               rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
-               rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
-               rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+       switch (rt2x00dev->chip.rf) {
+       case RF7620:
+               if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, &reg)) {
+                       reg = 0;
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_DATA_MT7620, value);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM_MT7620,
+                                          word);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE_MT7620, 1);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY_MT7620, 1);
+
+                       rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+               }
+               break;
 
-               rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+       default:
+               if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+                       reg = 0;
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+                       rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+               }
+               break;
        }
 
        mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static void rt2800_rfcsr_write_bank(struct rt2x00_dev *rt2x00dev, const u8 
bank,
+                                   const unsigned int reg, const u8 value)
+{
+       rt2800_rfcsr_write(rt2x00dev, (reg | (bank << 6)), value);
+}
+
+static void rt2800_rfcsr_write_chanreg(struct rt2x00_dev *rt2x00dev,
+                                      const unsigned int reg, const u8 value)
+{
+       rt2800_rfcsr_write_bank(rt2x00dev, 4, reg, value);
+       rt2800_rfcsr_write_bank(rt2x00dev, 6, reg, value);
+}
+
+static void rt2800_rfcsr_write_dccal(struct rt2x00_dev *rt2x00dev,
+                                    const unsigned int reg, const u8 value)
+{
+       rt2800_rfcsr_write_bank(rt2x00dev, 5, reg, value);
+       rt2800_rfcsr_write_bank(rt2x00dev, 7, reg, value);
+}
+
 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
                              const unsigned int word, u8 *value)
 {
@@ -178,22 +218,48 @@ static void rt2800_rfcsr_read(struct rt2x00_dev 
*rt2x00dev,
         * doesn't become available in time, reg will be 0xffffffff
         * which means we return 0xff to the caller.
         */
-       if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
-               reg = 0;
-               rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
-               rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
-               rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+       switch (rt2x00dev->chip.rf) {
+       case RF7620:
+               if (WAIT_FOR_RFCSR_MT7620(rt2x00dev, &reg)) {
+                       reg = 0;
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM_MT7620,
+                                          word);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE_MT7620, 0);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY_MT7620, 1);
 
-               rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+                       rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
 
-               WAIT_FOR_RFCSR(rt2x00dev, &reg);
-       }
+                       WAIT_FOR_RFCSR_MT7620(rt2x00dev, &reg);
+               }
+
+               *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA_MT7620);
+               break;
 
-       *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
+       default:
+               if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
+                       reg = 0;
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
+                       rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
+
+                       rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
+
+                       WAIT_FOR_RFCSR(rt2x00dev, &reg);
+               }
+
+               *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
+               break;
+       }
 
        mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
+static void rt2800_rfcsr_read_bank(struct rt2x00_dev *rt2x00dev, const u8 bank,
+                                  const unsigned int reg, u8 *value)
+{
+       rt2800_rfcsr_read(rt2x00dev, (reg | (bank << 6)), value);
+}
+
 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
                            const unsigned int word, const u32 value)
 {
@@ -250,6 +316,7 @@ static const unsigned int 
rt2800_eeprom_map[EEPROM_WORD_COUNT] = {
        [EEPROM_TSSI_BOUND_BG5]         = 0x003b,
        [EEPROM_TXPOWER_A1]             = 0x003c,
        [EEPROM_TXPOWER_A2]             = 0x0053,
+       [EEPROM_TXPOWER_INIT]           = 0x0068,
        [EEPROM_TSSI_BOUND_A1]          = 0x006a,
        [EEPROM_TSSI_BOUND_A2]          = 0x006b,
        [EEPROM_TSSI_BOUND_A3]          = 0x006c,
@@ -523,6 +590,16 @@ void rt2800_get_txwi_rxwi_size(struct rt2x00_dev 
*rt2x00dev,
                *rxwi_size = RXWI_DESC_SIZE_5WORDS;
                break;
 
+       case RT5390:
+               if (rt2x00_rf(rt2x00dev, RF7620)) {
+                       *txwi_size = TXWI_DESC_SIZE_5WORDS;
+                       *rxwi_size = RXWI_DESC_SIZE_6WORDS;
+               } else {
+                       *txwi_size = TXWI_DESC_SIZE_4WORDS;
+                       *rxwi_size = RXWI_DESC_SIZE_4WORDS;
+               }
+               break;
+
        case RT5592:
                *txwi_size = TXWI_DESC_SIZE_5WORDS;
                *rxwi_size = RXWI_DESC_SIZE_6WORDS;
@@ -3104,6 +3181,258 @@ static void rt2800_config_channel_rf55xx(struct 
rt2x00_dev *rt2x00dev,
        rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
 }
 
+static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev,
+                                        struct ieee80211_conf *conf,
+                                        struct rf_channel *rf,
+                                        struct channel_info *info)
+{
+       struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
+       u8 txrx_agc_fc;
+       u8 rfcsr;
+
+       /* Frequeny plan setting */
+       /* Rdiv setting (stored in rf->rf1)
+        * R13[1:0]
+        */
+       rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
+       rfcsr = rfcsr & (~0x03);
+       if (rt2800_clk_is_20mhz(rt2x00dev))
+               rfcsr |= (rf->rf1 & 0x03);
+
+       rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
+
+       /* N setting (stored in rf->rf2)
+        * R21[0], R20[7:0]
+        */
+       rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
+       rfcsr = (rf->rf2 & 0x00ff);
+       rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
+       rfcsr = rfcsr & (~0x01);
+       rfcsr |= ((rf->rf2 & 0x0100) >> 8);
+       rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
+
+       /* K setting (stored in rf->rf3[0:7])
+        * R16[3:0] (RF PLL freq selection)
+        */
+       rt2800_rfcsr_read(rt2x00dev, 16, &rfcsr);
+       rfcsr = rfcsr & (~0x0f);
+       rfcsr |= (rf->rf3 & 0x0f);
+       rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
+
+       /* D setting (stored in rf->rf3[8:15])
+        * R22[2:0] (D=15, R22[2:0]=<111>)
+        */
+       rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
+       rfcsr = rfcsr & (~0x07);
+       rfcsr |= ((rf->rf3 >> 8) & 0x07);
+       rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+       /* Ksd setting (stored in rf->rf4)
+        * Ksd: R19<1:0>,R18<7:0>,R17<7:0>
+        */
+       rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
+       rfcsr = (rf->rf4 & 0x000000ff);
+       rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 18, &rfcsr);
+       rfcsr = ((rf->rf4 & 0x0000ff00) >> 8);
+       rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 19, &rfcsr);
+       rfcsr = rfcsr & (~0x03);
+       rfcsr |= ((rf->rf4 & 0x00030000) >> 16);
+       rt2800_rfcsr_write(rt2x00dev, 19, rfcsr);
+
+       /* Default: XO=20MHz , SDM mode */
+       rt2800_rfcsr_read(rt2x00dev, 16, &rfcsr);
+       rfcsr = rfcsr & (~0xE0);
+       rfcsr |= 0x80;
+       rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
+       rfcsr |= 0x80;
+       rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
+       if (rt2x00dev->default_ant.tx_chain_num == 1)
+               rfcsr &= (~0x2);
+       else
+               rfcsr |= 0x2;
+       rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
+       if (rt2x00dev->default_ant.tx_chain_num == 1)
+               rfcsr &= (~0x20);
+       else
+               rfcsr |= 0x20;
+       if (rt2x00dev->default_ant.rx_chain_num == 1)
+               rfcsr &= (~0x02);
+       else
+               rfcsr |= 0x02;
+       rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 42, &rfcsr);
+       if (rt2x00dev->default_ant.tx_chain_num == 1)
+               rfcsr &= (~0x40);
+       else
+               rfcsr |= 0x40;
+       rt2800_rfcsr_write(rt2x00dev, 42, rfcsr);
+
+       /* RF for DC Cal BW */
+       if (conf_is_ht40(conf)) {
+               rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10);
+       } else {
+               rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x20);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x20);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x00);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x20);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x20);
+       }
+
+       if (conf_is_ht40(conf)) {
+               rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x08);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x08);
+       } else {
+               rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x28);
+               rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x28);
+       }
+
+       rt2800_rfcsr_read(rt2x00dev, 28, &rfcsr);
+       if (conf_is_ht40(conf) && (rf->channel == 11))
+               rfcsr |= 0x4;
+       else
+               rfcsr &= (~0x4);
+       rt2800_rfcsr_write(rt2x00dev, 28, rfcsr);
+
+       if (!test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) {
+               if (conf_is_ht40(conf)) {
+                       txrx_agc_fc = rt2x00_get_field8(
+                                               drv_data->calibration_bw40,
+                                               RFCSR24_TX_AGC_FC);
+               } else {
+                       txrx_agc_fc = rt2x00_get_field8(
+                                               drv_data->calibration_bw20,
+                                               RFCSR24_TX_AGC_FC);
+               }
+               rt2800_rfcsr_read_bank(rt2x00dev, 5, 6, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 5, 6, rfcsr);
+               rt2800_rfcsr_read_bank(rt2x00dev, 5, 7, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 5, 7, rfcsr);
+               rt2800_rfcsr_read_bank(rt2x00dev, 7, 6, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 7, 6, rfcsr);
+               rt2800_rfcsr_read_bank(rt2x00dev, 7, 7, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 7, 7, rfcsr);
+
+               rt2800_rfcsr_read_bank(rt2x00dev, 5, 58, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 5, 58, rfcsr);
+               rt2800_rfcsr_read_bank(rt2x00dev, 5, 59, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 5, 59, rfcsr);
+               rt2800_rfcsr_read_bank(rt2x00dev, 7, 58, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 7, 58, rfcsr);
+               rt2800_rfcsr_read_bank(rt2x00dev, 7, 59, &rfcsr);
+               rfcsr &= (~0x3F);
+               rfcsr |= txrx_agc_fc;
+               rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr);
+       }
+}
+
+static void rt2800_config_alc(struct rt2x00_dev *rt2x00dev,
+                             struct ieee80211_channel *chan,
+                             int power_level) {
+       u16 eeprom, target_power, max_power;
+       u32 mac_sys_ctrl, mac_status;
+       u32 reg;
+       u8 bbp;
+       int i;
+
+       /* hardware unit is 0.5dBm, limited to 23.5dBm */
+       power_level *= 2;
+       if (power_level > 0x2f)
+               power_level = 0x2f;
+
+       max_power = chan->max_power * 2;
+       if (max_power > 0x2f)
+               max_power = 0x2f;
+
+       rt2800_register_read(rt2x00dev, TX_ALC_CFG_0, &reg);
+       rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_0, power_level);
+       rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_1, power_level);
+       rt2x00_set_field32(&reg, TX_ALC_CFG_0_LIMIT_0, max_power);
+       rt2x00_set_field32(&reg, TX_ALC_CFG_0_LIMIT_1, max_power);
+
+       rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
+       if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_INTERNAL_TX_ALC)) {
+               /* init base power by eeprom target power */
+               rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_INIT,
+                                  &target_power);
+               rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_0, target_power);
+               rt2x00_set_field32(&reg, TX_ALC_CFG_0_CH_INIT_1, target_power);
+       }
+       rt2800_register_write(rt2x00dev, TX_ALC_CFG_0, reg);
+
+       rt2800_register_read(rt2x00dev, TX_ALC_CFG_1, &reg);
+       rt2x00_set_field32(&reg, TX_ALC_CFG_1_TX_TEMP_COMP, 0);
+       rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg);
+
+       /* Save MAC SYS CTRL registers */
+       rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &mac_sys_ctrl);
+       /* Disable Tx/Rx */
+       rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
+       /* Check MAC Tx/Rx idle */
+       for (i = 0; i < 10000; i++) {
+               rt2800_register_read(rt2x00dev, MAC_STATUS_CFG,
+                                    &mac_status);
+               if (mac_status & 0x3)
+                       usleep_range(50, 200);
+               else
+                       break;
+       }
+
+       if (i == 10000)
+               rt2x00_warn(rt2x00dev, "Wait MAC Status to MAX !!!\n");
+
+       if (chan->center_freq > 2457) {
+               rt2800_bbp_read(rt2x00dev, 30, &bbp);
+               bbp = 0x40;
+               rt2800_bbp_write(rt2x00dev, 30, bbp);
+               rt2800_rfcsr_write(rt2x00dev, 39, 0);
+               if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
+                       rt2800_rfcsr_write(rt2x00dev, 42, 0xfb);
+               else
+                       rt2800_rfcsr_write(rt2x00dev, 42, 0x7b);
+       } else {
+               rt2800_bbp_read(rt2x00dev, 30, &bbp);
+               bbp = 0x1f;
+               rt2800_bbp_write(rt2x00dev, 30, bbp);
+               rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
+               if (rt2x00_has_cap_external_lna_bg(rt2x00dev))
+                       rt2800_rfcsr_write(rt2x00dev, 42, 0xdb);
+               else
+                       rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
+       }
+       rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, mac_sys_ctrl);
+}
+
 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
                                           const unsigned int word,
                                           const u8 value)
@@ -3228,7 +3557,7 @@ static void rt2800_config_channel(struct rt2x00_dev 
*rt2x00dev,
                                  struct channel_info *info)
 {
        u32 reg;
-       unsigned int tx_pin;
+       u32 tx_pin;
        u8 bbp, rfcsr;
 
        info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
@@ -3273,6 +3602,9 @@ static void rt2800_config_channel(struct rt2x00_dev 
*rt2x00dev,
        case RF5592:
                rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
                break;
+       case RF7620:
+               rt2800_config_channel_rf7620(rt2x00dev, conf, rf, info);
+               break;
        default:
                rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
        }
@@ -3367,7 +3699,7 @@ static void rt2800_config_channel(struct rt2x00_dev 
*rt2x00dev,
                        rt2800_bbp_write(rt2x00dev, 82, 0x94);
                else if (rt2x00_rt(rt2x00dev, RT3593))
                        rt2800_bbp_write(rt2x00dev, 82, 0x82);
-               else
+               else if (!rt2x00_rf(rt2x00dev, RF7620))
                        rt2800_bbp_write(rt2x00dev, 82, 0xf2);
 
                if (rt2x00_rt(rt2x00dev, RT3593))
@@ -3388,7 +3720,7 @@ static void rt2800_config_channel(struct rt2x00_dev 
*rt2x00dev,
        if (rt2x00_rt(rt2x00dev, RT3572))
                rt2800_rfcsr_write(rt2x00dev, 8, 0);
 
-       tx_pin = 0;
+       rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
 
        switch (rt2x00dev->default_ant.tx_chain_num) {
        case 3:
@@ -3437,6 +3769,7 @@ static void rt2800_config_channel(struct rt2x00_dev 
*rt2x00dev,
 
        rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
        rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
+       rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFRX_EN, 1); /* mt7620 */
 
        rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
@@ -3495,7 +3828,8 @@ static void rt2800_config_channel(struct rt2x00_dev 
*rt2x00dev,
                usleep_range(1000, 1500);
        }
 
-       if (rt2x00_rt(rt2x00dev, RT5592)) {
+       if (rt2x00_rt(rt2x00dev, RT5592) ||
+           (rt2x00_rt(rt2x00dev, RT5390) && rt2x00_rf(rt2x00dev, RF7620))) {
                rt2800_bbp_write(rt2x00dev, 195, 141);
                rt2800_bbp_write(rt2x00dev, 196, conf_is_ht40(conf) ? 0x10 : 
0x1a);
 
@@ -4182,6 +4516,128 @@ static void rt2800_config_txpower_rt3593(struct 
rt2x00_dev *rt2x00dev,
                           (unsigned long) regs[i]);
 }
 
+static void rt2800_config_txpower_mt7620(struct rt2x00_dev *rt2x00dev,
+                                        struct ieee80211_channel *chan,
+                                        int power_level)
+{
+       u32 reg, pwreg;
+       u16 eeprom;
+       u32 data, gdata;
+       u8 t, i;
+       enum nl80211_band band = chan->band;
+       int delta;
+
+       /* Warn user if bw_comp is set in EEPROM */
+       delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
+
+       if (delta)
+               rt2x00_warn(rt2x00dev, "ignoring EEPROM HT40 power delta: %d\n",
+                           delta);
+
+       /* populate TX_PWR_CFG_0 up to TX_PWR_CFG_4 from EEPROM for HT40, limit
+        * value to 0x3f and replace 0x20 by 0x21 as this is what the vendor
+        * driver does as well, though it looks kinda wrong.
+        * Maybe some misunderstanding of what a signed 8-bit value is? Maybe
+        * the hardware has a problem handling 0x20, and as the code initially
+        * used a fixed offset between HT20 and HT40 rates they had to work-
+        * around that issue and most likely just forgot about it later on.
+        * Maybe we should use rt2800_get_txpower_bw_comp() here as well,
+        * however, the corresponding EEPROM value is not respected by the
+        * vendor driver, so maybe this is rather being taken care of the
+        * TXALC and the driver doesn't need to handle it...?
+        * Though this is all very awkward, just do as they did, as that's what
+        * board vendors expected when they populated the EEPROM...
+        */
+       for (i = 0; i < 5; i++) {
+               rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
+                                             i * 2, &eeprom);
+
+               data = eeprom;
+
+               t = eeprom & 0x3f;
+               if (t == 32)
+                       t++;
+
+               gdata = t;
+
+               t = (eeprom & 0x3f00) >> 8;
+               if (t == 32)
+                       t++;
+
+               gdata |= (t << 8);
+
+               rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
+                                             (i * 2) + 1, &eeprom);
+
+               t = eeprom & 0x3f;
+               if (t == 32)
+                       t++;
+
+               gdata |= (t << 16);
+
+               t = (eeprom & 0x3f00) >> 8;
+               if (t == 32)
+                       t++;
+
+               gdata |= (t << 24);
+               data |= (eeprom << 16);
+
+               if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) {
+                       /* HT20 */
+                       if (data != 0xffffffff)
+                               rt2800_register_write(rt2x00dev,
+                                                     TX_PWR_CFG_0 + (i * 4),
+                                                     data);
+               } else {
+                       /* HT40 */
+                       if (gdata != 0xffffffff)
+                               rt2800_register_write(rt2x00dev,
+                                                     TX_PWR_CFG_0 + (i * 4),
+                                                     gdata);
+               }
+       }
+
+       /* Aparently Ralink ran out of space in the BYRATE calibration section
+        * of the EERPOM which is copied to the corresponding TX_PWR_CFG_x
+        * registers. As recent 2T chips use 8-bit instead of 4-bit values for
+        * power-offsets more space would be needed. Ralink decided to rather
+        * keep the EEPROM layout untouched and rather have some shared values
+        * covering multiple bitrates.
+        * Populate the registers not covered by the EEPROM in the same way the
+        * vendor driver does.
+        */
+
+       /* For OFDM 54MBS use value from OFDM 48MBS */
+       pwreg = 0;
+       rt2800_register_read(rt2x00dev, TX_PWR_CFG_1, &reg);
+       t = rt2x00_get_field32(reg, TX_PWR_CFG_1B_48MBS);
+       rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_54MBS, t);
+
+       /* For MCS 7 use value from MCS 6 */
+       rt2800_register_read(rt2x00dev, TX_PWR_CFG_2, &reg);
+       t = rt2x00_get_field32(reg, TX_PWR_CFG_2B_MCS6_MCS7);
+       rt2x00_set_field32(&pwreg, TX_PWR_CFG_7B_MCS7, t);
+       rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, pwreg);
+
+       /* For MCS 15 use value from MCS 14 */
+       pwreg = 0;
+       rt2800_register_read(rt2x00dev, TX_PWR_CFG_3, &reg);
+       t = rt2x00_get_field32(reg, TX_PWR_CFG_3B_MCS14);
+       rt2x00_set_field32(&pwreg, TX_PWR_CFG_8B_MCS15, t);
+       rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, pwreg);
+
+       /* For STBC MCS 7 use value from STBC MCS 6 */
+       pwreg = 0;
+       rt2800_register_read(rt2x00dev, TX_PWR_CFG_4, &reg);
+       t = rt2x00_get_field32(reg, TX_PWR_CFG_4B_STBC_MCS6);
+       rt2x00_set_field32(&pwreg, TX_PWR_CFG_9B_STBC_MCS7, t);
+       rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, pwreg);
+
+       rt2800_config_alc(rt2x00dev, chan, power_level);
+
+       /* TODO: temperature compensation code! */
+}
+
 /*
  * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
  * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
@@ -4378,6 +4834,8 @@ static void rt2800_config_txpower(struct rt2x00_dev 
*rt2x00dev,
 {
        if (rt2x00_rt(rt2x00dev, RT3593))
                rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
+       else if (rt2x00_rf(rt2x00dev, RF7620))
+               rt2800_config_txpower_mt7620(rt2x00dev, chan, power_level);
        else
                rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level);
 }
@@ -4393,6 +4851,7 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
 {
        u32     tx_pin;
        u8      rfcsr;
+       unsigned long min_sleep = 0;
 
        /*
         * A voltage-controlled oscillator(VCO) is an electronic oscillator
@@ -4431,6 +4890,15 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
                rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
                rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
                rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
+               min_sleep = 1000;
+               break;
+       case RF7620:
+               rt2800_rfcsr_write(rt2x00dev, 5, 0x40);
+               rt2800_rfcsr_write(rt2x00dev, 4, 0x0C);
+               rt2800_rfcsr_read(rt2x00dev, 4, &rfcsr);
+               rt2x00_set_field8(&rfcsr, RFCSR4_VCOCAL_EN, 1);
+               rt2800_rfcsr_write(rt2x00dev, 4, rfcsr);
+               min_sleep = 2000;
                break;
        default:
                WARN_ONCE(1, "Not supported RF chipet %x for VCO recalibration",
@@ -4438,7 +4906,8 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
                return;
        }
 
-       usleep_range(1000, 1500);
+       if (min_sleep > 0)
+               usleep_range(min_sleep, min_sleep * 2);
 
        rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
        if (rt2x00dev->rf_channel <= 14) {
@@ -4470,6 +4939,42 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
        }
        rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
+       if (rt2x00_rf(rt2x00dev, RF7620)) {
+               if (rt2x00dev->default_ant.tx_chain_num == 1) {
+                       rt2800_bbp_write(rt2x00dev, 91, 0x07);
+                       rt2800_bbp_write(rt2x00dev, 95, 0x1A);
+                       rt2800_bbp_write(rt2x00dev, 195, 128);
+                       rt2800_bbp_write(rt2x00dev, 196, 0xA0);
+                       rt2800_bbp_write(rt2x00dev, 195, 170);
+                       rt2800_bbp_write(rt2x00dev, 196, 0x12);
+                       rt2800_bbp_write(rt2x00dev, 195, 171);
+                       rt2800_bbp_write(rt2x00dev, 196, 0x10);
+               } else {
+                       rt2800_bbp_write(rt2x00dev, 91, 0x06);
+                       rt2800_bbp_write(rt2x00dev, 95, 0x9A);
+                       rt2800_bbp_write(rt2x00dev, 195, 128);
+                       rt2800_bbp_write(rt2x00dev, 196, 0xE0);
+                       rt2800_bbp_write(rt2x00dev, 195, 170);
+                       rt2800_bbp_write(rt2x00dev, 196, 0x30);
+                       rt2800_bbp_write(rt2x00dev, 195, 171);
+                       rt2800_bbp_write(rt2x00dev, 196, 0x30);
+               }
+
+               if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
+                       rt2800_bbp_write(rt2x00dev, 75, 0x60);
+                       rt2800_bbp_write(rt2x00dev, 76, 0x44);
+                       rt2800_bbp_write(rt2x00dev, 79, 0x1C);
+                       rt2800_bbp_write(rt2x00dev, 80, 0x0C);
+                       rt2800_bbp_write(rt2x00dev, 82, 0xB6);
+               }
+
+               /* On 11A, We should delay and wait RF/BBP to be stable
+                * and the appropriate time should be 1000 micro seconds
+                * 2005/06/05 - On 11G, we also need this delay time.
+                * Otherwise it's difficult to pass the WHQL.
+                */
+               usleep_range(1000, 1500);
+       }
 }
 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
 
@@ -4805,6 +5310,24 @@ static int rt2800_init_registers(struct rt2x00_dev 
*rt2x00dev)
                rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
        } else if (rt2x00_rt(rt2x00dev, RT5350)) {
                rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
+       } else if (rt2x00_rf(rt2x00dev, RF7620)) {
+               rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401);
+               rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0000);
+               rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
+               rt2800_register_write(rt2x00dev, MIMO_PS_CFG, 0x00000002);
+               rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x00150F0F);
+               rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x06060606);
+               rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
+               rt2800_register_write(rt2x00dev, TX1_BB_GAIN_ATTEN, 0x0);
+               rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN, 0x6C6C666C);
+               rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN, 0x6C6C666C);
+               rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT,
+                                     0x3630363A);
+               rt2800_register_write(rt2x00dev, TX1_RF_GAIN_CORRECT,
+                                     0x3630363A);
+               rt2800_register_read(rt2x00dev, TX_ALC_CFG_1, &reg);
+               rt2x00_set_field32(&reg, TX_ALC_CFG_1_ROS_BUSY_EN, 0);
+               rt2800_register_write(rt2x00dev, TX_ALC_CFG_1, reg);
        } else {
                rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
                rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
@@ -5786,6 +6309,224 @@ static void rt2800_init_bbp_5592(struct rt2x00_dev 
*rt2x00dev)
                rt2800_bbp_write(rt2x00dev, 103, 0xc0);
 }
 
+static void rt2800_bbp_glrt_write(struct rt2x00_dev *rt2x00dev,
+                                 const u8 reg, const u8 value)
+{
+       rt2800_bbp_write(rt2x00dev, 195, reg);
+       rt2800_bbp_write(rt2x00dev, 196, value);
+}
+
+static void rt2800_bbp_dcoc_write(struct rt2x00_dev *rt2x00dev,
+                                 const u8 reg, const u8 value)
+{
+       rt2800_bbp_write(rt2x00dev, 158, reg);
+       rt2800_bbp_write(rt2x00dev, 159, value);
+}
+
+static void rt2800_init_bbp_7620(struct rt2x00_dev *rt2x00dev)
+{
+       u8 bbp;
+
+       /* Apply Maximum Likelihood Detection (MLD) for 2 stream case */
+       rt2800_bbp_read(rt2x00dev, 105, &bbp);
+       rt2x00_set_field8(&bbp, BBP105_MLD,
+                         rt2x00dev->default_ant.rx_chain_num == 2);
+       rt2800_bbp_write(rt2x00dev, 105, bbp);
+
+       /* Avoid data loss and CRC errors */
+       rt2800_bbp4_mac_if_ctrl(rt2x00dev);
+
+       /* Fix I/Q swap issue */
+       rt2800_bbp_read(rt2x00dev, 1, &bbp);
+       bbp |= 0x04;
+       rt2800_bbp_write(rt2x00dev, 1, bbp);
+
+       /* BBP for G band */
+       rt2800_bbp_write(rt2x00dev, 3, 0x08);
+       rt2800_bbp_write(rt2x00dev, 4, 0x00); /* rt2800_bbp4_mac_if_ctrl? */
+       rt2800_bbp_write(rt2x00dev, 6, 0x08);
+       rt2800_bbp_write(rt2x00dev, 14, 0x09);
+       rt2800_bbp_write(rt2x00dev, 15, 0xFF);
+       rt2800_bbp_write(rt2x00dev, 16, 0x01);
+       rt2800_bbp_write(rt2x00dev, 20, 0x06);
+       rt2800_bbp_write(rt2x00dev, 21, 0x00);
+       rt2800_bbp_write(rt2x00dev, 22, 0x00);
+       rt2800_bbp_write(rt2x00dev, 27, 0x00);
+       rt2800_bbp_write(rt2x00dev, 28, 0x00);
+       rt2800_bbp_write(rt2x00dev, 30, 0x00);
+       rt2800_bbp_write(rt2x00dev, 31, 0x48);
+       rt2800_bbp_write(rt2x00dev, 47, 0x40);
+       rt2800_bbp_write(rt2x00dev, 62, 0x00);
+       rt2800_bbp_write(rt2x00dev, 63, 0x00);
+       rt2800_bbp_write(rt2x00dev, 64, 0x00);
+       rt2800_bbp_write(rt2x00dev, 65, 0x2C);
+       rt2800_bbp_write(rt2x00dev, 66, 0x1C);
+       rt2800_bbp_write(rt2x00dev, 67, 0x20);
+       rt2800_bbp_write(rt2x00dev, 68, 0xDD);
+       rt2800_bbp_write(rt2x00dev, 69, 0x10);
+       rt2800_bbp_write(rt2x00dev, 70, 0x05);
+       rt2800_bbp_write(rt2x00dev, 73, 0x18);
+       rt2800_bbp_write(rt2x00dev, 74, 0x0F);
+       rt2800_bbp_write(rt2x00dev, 75, 0x60);
+       rt2800_bbp_write(rt2x00dev, 76, 0x44);
+       rt2800_bbp_write(rt2x00dev, 77, 0x59);
+       rt2800_bbp_write(rt2x00dev, 78, 0x1E);
+       rt2800_bbp_write(rt2x00dev, 79, 0x1C);
+       rt2800_bbp_write(rt2x00dev, 80, 0x0C);
+       rt2800_bbp_write(rt2x00dev, 81, 0x3A);
+       rt2800_bbp_write(rt2x00dev, 82, 0xB6);
+       rt2800_bbp_write(rt2x00dev, 83, 0x9A);
+       rt2800_bbp_write(rt2x00dev, 84, 0x9A);
+       rt2800_bbp_write(rt2x00dev, 86, 0x38);
+       rt2800_bbp_write(rt2x00dev, 88, 0x90);
+       rt2800_bbp_write(rt2x00dev, 91, 0x04);
+       rt2800_bbp_write(rt2x00dev, 92, 0x02);
+       rt2800_bbp_write(rt2x00dev, 95, 0x9A);
+       rt2800_bbp_write(rt2x00dev, 96, 0x00);
+       rt2800_bbp_write(rt2x00dev, 103, 0xC0);
+       rt2800_bbp_write(rt2x00dev, 104, 0x92);
+       /* FIXME BBP105 owerwrite */
+       rt2800_bbp_write(rt2x00dev, 105, 0x3C);
+       rt2800_bbp_write(rt2x00dev, 106, 0x12);
+       rt2800_bbp_write(rt2x00dev, 109, 0x00);
+       rt2800_bbp_write(rt2x00dev, 134, 0x10);
+       rt2800_bbp_write(rt2x00dev, 135, 0xA6);
+       rt2800_bbp_write(rt2x00dev, 137, 0x04);
+       rt2800_bbp_write(rt2x00dev, 142, 0x30);
+       rt2800_bbp_write(rt2x00dev, 143, 0xF7);
+       rt2800_bbp_write(rt2x00dev, 160, 0xEC);
+       rt2800_bbp_write(rt2x00dev, 161, 0xC4);
+       rt2800_bbp_write(rt2x00dev, 162, 0x77);
+       rt2800_bbp_write(rt2x00dev, 163, 0xF9);
+       rt2800_bbp_write(rt2x00dev, 164, 0x00);
+       rt2800_bbp_write(rt2x00dev, 165, 0x00);
+       rt2800_bbp_write(rt2x00dev, 186, 0x00);
+       rt2800_bbp_write(rt2x00dev, 187, 0x00);
+       rt2800_bbp_write(rt2x00dev, 188, 0x00);
+       rt2800_bbp_write(rt2x00dev, 186, 0x00);
+       rt2800_bbp_write(rt2x00dev, 187, 0x01);
+       rt2800_bbp_write(rt2x00dev, 188, 0x00);
+       rt2800_bbp_write(rt2x00dev, 189, 0x00);
+
+       rt2800_bbp_write(rt2x00dev, 91, 0x06);
+       rt2800_bbp_write(rt2x00dev, 92, 0x04);
+       rt2800_bbp_write(rt2x00dev, 93, 0x54);
+       rt2800_bbp_write(rt2x00dev, 99, 0x50);
+       rt2800_bbp_write(rt2x00dev, 148, 0x84);
+       rt2800_bbp_write(rt2x00dev, 167, 0x80);
+       rt2800_bbp_write(rt2x00dev, 178, 0xFF);
+       rt2800_bbp_write(rt2x00dev, 106, 0x13);
+
+       /* BBP for G band GLRT function (BBP_128 ~ BBP_221) */
+       rt2800_bbp_glrt_write(rt2x00dev, 0, 0x00);
+       rt2800_bbp_glrt_write(rt2x00dev, 1, 0x14);
+       rt2800_bbp_glrt_write(rt2x00dev, 2, 0x20);
+       rt2800_bbp_glrt_write(rt2x00dev, 3, 0x0A);
+       rt2800_bbp_glrt_write(rt2x00dev, 10, 0x16);
+       rt2800_bbp_glrt_write(rt2x00dev, 11, 0x06);
+       rt2800_bbp_glrt_write(rt2x00dev, 12, 0x02);
+       rt2800_bbp_glrt_write(rt2x00dev, 13, 0x07);
+       rt2800_bbp_glrt_write(rt2x00dev, 14, 0x05);
+       rt2800_bbp_glrt_write(rt2x00dev, 15, 0x09);
+       rt2800_bbp_glrt_write(rt2x00dev, 16, 0x20);
+       rt2800_bbp_glrt_write(rt2x00dev, 17, 0x08);
+       rt2800_bbp_glrt_write(rt2x00dev, 18, 0x4A);
+       rt2800_bbp_glrt_write(rt2x00dev, 19, 0x00);
+       rt2800_bbp_glrt_write(rt2x00dev, 20, 0x00);
+       rt2800_bbp_glrt_write(rt2x00dev, 128, 0xE0);
+       rt2800_bbp_glrt_write(rt2x00dev, 129, 0x1F);
+       rt2800_bbp_glrt_write(rt2x00dev, 130, 0x4F);
+       rt2800_bbp_glrt_write(rt2x00dev, 131, 0x32);
+       rt2800_bbp_glrt_write(rt2x00dev, 132, 0x08);
+       rt2800_bbp_glrt_write(rt2x00dev, 133, 0x28);
+       rt2800_bbp_glrt_write(rt2x00dev, 134, 0x19);
+       rt2800_bbp_glrt_write(rt2x00dev, 135, 0x0A);
+       rt2800_bbp_glrt_write(rt2x00dev, 138, 0x16);
+       rt2800_bbp_glrt_write(rt2x00dev, 139, 0x10);
+       rt2800_bbp_glrt_write(rt2x00dev, 140, 0x10);
+       rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1A);
+       rt2800_bbp_glrt_write(rt2x00dev, 142, 0x36);
+       rt2800_bbp_glrt_write(rt2x00dev, 143, 0x2C);
+       rt2800_bbp_glrt_write(rt2x00dev, 144, 0x26);
+       rt2800_bbp_glrt_write(rt2x00dev, 145, 0x24);
+       rt2800_bbp_glrt_write(rt2x00dev, 146, 0x42);
+       rt2800_bbp_glrt_write(rt2x00dev, 147, 0x40);
+       rt2800_bbp_glrt_write(rt2x00dev, 148, 0x30);
+       rt2800_bbp_glrt_write(rt2x00dev, 149, 0x29);
+       rt2800_bbp_glrt_write(rt2x00dev, 150, 0x4C);
+       rt2800_bbp_glrt_write(rt2x00dev, 151, 0x46);
+       rt2800_bbp_glrt_write(rt2x00dev, 152, 0x3D);
+       rt2800_bbp_glrt_write(rt2x00dev, 153, 0x40);
+       rt2800_bbp_glrt_write(rt2x00dev, 154, 0x3E);
+       rt2800_bbp_glrt_write(rt2x00dev, 155, 0x38);
+       rt2800_bbp_glrt_write(rt2x00dev, 156, 0x3D);
+       rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2F);
+       rt2800_bbp_glrt_write(rt2x00dev, 158, 0x3C);
+       rt2800_bbp_glrt_write(rt2x00dev, 159, 0x34);
+       rt2800_bbp_glrt_write(rt2x00dev, 160, 0x2C);
+       rt2800_bbp_glrt_write(rt2x00dev, 161, 0x2F);
+       rt2800_bbp_glrt_write(rt2x00dev, 162, 0x3C);
+       rt2800_bbp_glrt_write(rt2x00dev, 163, 0x35);
+       rt2800_bbp_glrt_write(rt2x00dev, 164, 0x2E);
+       rt2800_bbp_glrt_write(rt2x00dev, 165, 0x2F);
+       rt2800_bbp_glrt_write(rt2x00dev, 166, 0x49);
+       rt2800_bbp_glrt_write(rt2x00dev, 167, 0x41);
+       rt2800_bbp_glrt_write(rt2x00dev, 168, 0x36);
+       rt2800_bbp_glrt_write(rt2x00dev, 169, 0x39);
+       rt2800_bbp_glrt_write(rt2x00dev, 170, 0x30);
+       rt2800_bbp_glrt_write(rt2x00dev, 171, 0x30);
+       rt2800_bbp_glrt_write(rt2x00dev, 172, 0x0E);
+       rt2800_bbp_glrt_write(rt2x00dev, 173, 0x0D);
+       rt2800_bbp_glrt_write(rt2x00dev, 174, 0x28);
+       rt2800_bbp_glrt_write(rt2x00dev, 175, 0x21);
+       rt2800_bbp_glrt_write(rt2x00dev, 176, 0x1C);
+       rt2800_bbp_glrt_write(rt2x00dev, 177, 0x16);
+       rt2800_bbp_glrt_write(rt2x00dev, 178, 0x50);
+       rt2800_bbp_glrt_write(rt2x00dev, 179, 0x4A);
+       rt2800_bbp_glrt_write(rt2x00dev, 180, 0x43);
+       rt2800_bbp_glrt_write(rt2x00dev, 181, 0x50);
+       rt2800_bbp_glrt_write(rt2x00dev, 182, 0x10);
+       rt2800_bbp_glrt_write(rt2x00dev, 183, 0x10);
+       rt2800_bbp_glrt_write(rt2x00dev, 184, 0x10);
+       rt2800_bbp_glrt_write(rt2x00dev, 185, 0x10);
+       rt2800_bbp_glrt_write(rt2x00dev, 200, 0x7D);
+       rt2800_bbp_glrt_write(rt2x00dev, 201, 0x14);
+       rt2800_bbp_glrt_write(rt2x00dev, 202, 0x32);
+       rt2800_bbp_glrt_write(rt2x00dev, 203, 0x2C);
+       rt2800_bbp_glrt_write(rt2x00dev, 204, 0x36);
+       rt2800_bbp_glrt_write(rt2x00dev, 205, 0x4C);
+       rt2800_bbp_glrt_write(rt2x00dev, 206, 0x43);
+       rt2800_bbp_glrt_write(rt2x00dev, 207, 0x2C);
+       rt2800_bbp_glrt_write(rt2x00dev, 208, 0x2E);
+       rt2800_bbp_glrt_write(rt2x00dev, 209, 0x36);
+       rt2800_bbp_glrt_write(rt2x00dev, 210, 0x30);
+       rt2800_bbp_glrt_write(rt2x00dev, 211, 0x6E);
+
+       /* BBP for G band DCOC function */
+       rt2800_bbp_dcoc_write(rt2x00dev, 140, 0x0C);
+       rt2800_bbp_dcoc_write(rt2x00dev, 141, 0x00);
+       rt2800_bbp_dcoc_write(rt2x00dev, 142, 0x10);
+       rt2800_bbp_dcoc_write(rt2x00dev, 143, 0x10);
+       rt2800_bbp_dcoc_write(rt2x00dev, 144, 0x10);
+       rt2800_bbp_dcoc_write(rt2x00dev, 145, 0x10);
+       rt2800_bbp_dcoc_write(rt2x00dev, 146, 0x08);
+       rt2800_bbp_dcoc_write(rt2x00dev, 147, 0x40);
+       rt2800_bbp_dcoc_write(rt2x00dev, 148, 0x04);
+       rt2800_bbp_dcoc_write(rt2x00dev, 149, 0x04);
+       rt2800_bbp_dcoc_write(rt2x00dev, 150, 0x08);
+       rt2800_bbp_dcoc_write(rt2x00dev, 151, 0x08);
+       rt2800_bbp_dcoc_write(rt2x00dev, 152, 0x03);
+       rt2800_bbp_dcoc_write(rt2x00dev, 153, 0x03);
+       rt2800_bbp_dcoc_write(rt2x00dev, 154, 0x03);
+       rt2800_bbp_dcoc_write(rt2x00dev, 155, 0x02);
+       rt2800_bbp_dcoc_write(rt2x00dev, 156, 0x40);
+       rt2800_bbp_dcoc_write(rt2x00dev, 157, 0x40);
+       rt2800_bbp_dcoc_write(rt2x00dev, 158, 0x64);
+       rt2800_bbp_dcoc_write(rt2x00dev, 159, 0x64);
+
+       rt2800_bbp4_mac_if_ctrl(rt2x00dev);
+}
+
 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 {
        unsigned int i;
@@ -5825,7 +6566,10 @@ static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
                return;
        case RT5390:
        case RT5392:
-               rt2800_init_bbp_53xx(rt2x00dev);
+               if (rt2x00_rf(rt2x00dev, RF7620))
+                       rt2800_init_bbp_7620(rt2x00dev);
+               else
+                       rt2800_init_bbp_53xx(rt2x00dev);
                break;
        case RT5592:
                rt2800_init_bbp_5592(rt2x00dev);
@@ -6901,6 +7645,269 @@ static void rt2800_init_rfcsr_5592(struct rt2x00_dev 
*rt2x00dev)
        rt2800_led_open_drain_enable(rt2x00dev);
 }
 
+static void rt2800_init_rfcsr_7620(struct rt2x00_dev *rt2x00dev)
+{
+       /* Initialize RF central register to default value */
+       rt2800_rfcsr_write(rt2x00dev, 0, 0x02);
+       rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
+       rt2800_rfcsr_write(rt2x00dev, 2, 0x33);
+       rt2800_rfcsr_write(rt2x00dev, 3, 0xFF);
+       rt2800_rfcsr_write(rt2x00dev, 4, 0x0C);
+       rt2800_rfcsr_write(rt2x00dev, 5, 0x40);
+       rt2800_rfcsr_write(rt2x00dev, 6, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 9, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 10, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 12, rt2x00dev->freq_offset);
+       rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 14, 0x40);
+       rt2800_rfcsr_write(rt2x00dev, 15, 0x22);
+       rt2800_rfcsr_write(rt2x00dev, 16, 0x4C);
+       rt2800_rfcsr_write(rt2x00dev, 17, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 18, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 20, 0xA0);
+       rt2800_rfcsr_write(rt2x00dev, 21, 0x12);
+       rt2800_rfcsr_write(rt2x00dev, 22, 0x07);
+       rt2800_rfcsr_write(rt2x00dev, 23, 0x13);
+       rt2800_rfcsr_write(rt2x00dev, 24, 0xFE);
+       rt2800_rfcsr_write(rt2x00dev, 25, 0x24);
+       rt2800_rfcsr_write(rt2x00dev, 26, 0x7A);
+       rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 29, 0x05);
+       rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 32, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 34, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 35, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 37, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 38, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 39, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 40, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 41, 0xD0);
+       rt2800_rfcsr_write(rt2x00dev, 42, 0x5B);
+       rt2800_rfcsr_write(rt2x00dev, 43, 0x00);
+
+       rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
+       if (rt2800_clk_is_20mhz(rt2x00dev))
+               rt2800_rfcsr_write(rt2x00dev, 13, 0x03);
+       else
+               rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 14, 0x7C);
+       rt2800_rfcsr_write(rt2x00dev, 16, 0x80);
+       rt2800_rfcsr_write(rt2x00dev, 17, 0x99);
+       rt2800_rfcsr_write(rt2x00dev, 18, 0x99);
+       rt2800_rfcsr_write(rt2x00dev, 19, 0x09);
+       rt2800_rfcsr_write(rt2x00dev, 20, 0x50);
+       rt2800_rfcsr_write(rt2x00dev, 21, 0xB0);
+       rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 23, 0x06);
+       rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 25, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 26, 0x5D);
+       rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+       rt2800_rfcsr_write(rt2x00dev, 28, 0x61);
+       rt2800_rfcsr_write(rt2x00dev, 29, 0xB5);
+       rt2800_rfcsr_write(rt2x00dev, 43, 0x02);
+
+       rt2800_rfcsr_write(rt2x00dev, 28, 0x62);
+       rt2800_rfcsr_write(rt2x00dev, 29, 0xAD);
+       rt2800_rfcsr_write(rt2x00dev, 39, 0x80);
+
+       /* Initialize RF channel register to default value */
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x03);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 1, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 2, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 3, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 4, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 5, 0x08);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 6, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 7, 0x51);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x53);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x16);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x61);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 12, 0x22);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 13, 0x3D);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 15, 0x13);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 16, 0x22);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x27);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 18, 0x02);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x01);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x52);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 22, 0x80);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 23, 0xB3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 24, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 25, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 26, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 27, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x5C);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0x6B);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 30, 0x6B);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 31, 0x31);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x5D);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 33, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xE6);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 35, 0x55);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 37, 0xBB);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 39, 0xB3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 40, 0x03);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 41, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 42, 0x00);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xB3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xD3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x07);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x68);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xEF);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1C);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x07);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xA8);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0x85);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x10);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x07);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6A);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0x85);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x10);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 62, 0x1C);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 63, 0x00);
+
+       rt2800_rfcsr_write_bank(rt2x00dev, 6, 45, 0xC5);
+
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x47);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x71);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x33);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x0E);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 17, 0x23);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA4);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 20, 0x02);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 21, 0x12);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x1C);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 29, 0xEB);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 32, 0x7D);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 34, 0xD6);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 36, 0x08);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 38, 0xB4);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x69);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x20);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x20);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xF7);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x09);
+
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 10, 0x51);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x06);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0xA7);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 28, 0x2C);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x64);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 8, 0x51);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 9, 0x36);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 11, 0x53);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 14, 0x16);
+
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x6C);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFC);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x1F);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0x6B);
+
+       /* Initialize RF channel register for DRQFN */
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0xD3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xE3);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xE5);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x28);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x68);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xF7);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x02);
+       rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xC7);
+
+       /* Initialize RF DC calibration register to default value */
+       rt2800_rfcsr_write_dccal(rt2x00dev, 0, 0x47);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 1, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 2, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 6, 0x10);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 7, 0x10);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 8, 0x04);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 9, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 10, 0x07);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 11, 0x01);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 12, 0x07);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 13, 0x07);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 14, 0x07);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 15, 0x20);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 16, 0x22);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 21, 0xF1);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 22, 0x11);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 23, 0x02);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 24, 0x41);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 25, 0x20);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 26, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 27, 0xD7);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 28, 0xA2);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 29, 0x20);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 30, 0x49);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 31, 0x20);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 32, 0x04);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 33, 0xF1);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 34, 0xA1);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 35, 0x01);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 41, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 42, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 43, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 44, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 45, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 46, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 47, 0x3E);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 48, 0x3D);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 49, 0x3E);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 50, 0x3D);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 51, 0x3E);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 52, 0x3D);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 53, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 54, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 55, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 56, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 57, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 58, 0x10);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 59, 0x10);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 60, 0x0A);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 61, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 62, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 63, 0x00);
+
+       rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x08);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x04);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x20);
+
+       rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
+       rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
+}
+
 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 {
        if (rt2800_is_305x_soc(rt2x00dev)) {
@@ -6933,7 +7940,10 @@ static void rt2800_init_rfcsr(struct rt2x00_dev 
*rt2x00dev)
                rt2800_init_rfcsr_5350(rt2x00dev);
                break;
        case RT5390:
-               rt2800_init_rfcsr_5390(rt2x00dev);
+               if (rt2x00_rf(rt2x00dev, RF7620))
+                       rt2800_init_rfcsr_7620(rt2x00dev);
+               else
+                       rt2800_init_rfcsr_5390(rt2x00dev);
                break;
        case RT5392:
                rt2800_init_rfcsr_5392(rt2x00dev);
@@ -7339,6 +8349,7 @@ static int rt2800_init_eeprom(struct rt2x00_dev 
*rt2x00dev)
        case RF5390:
        case RF5392:
        case RF5592:
+       case RF7620:
                break;
        default:
                rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
@@ -7746,6 +8757,24 @@ static const struct rf_channel rf_vals_5592_xtal40[] = {
        {196, 83, 0, 12, 1},
 };
 
+static const struct rf_channel rf_vals_7620[] = {
+       /* Channel, Rdiv, N, K | (D >> 8), Ksd */
+       {1, 3, 0x50, 0 | (0 >> 8), 0x19999},
+       {2, 3, 0x50, 0 | (0 >> 8), 0x24444},
+       {3, 3, 0x50, 0 | (0 >> 8), 0x2EEEE},
+       {4, 3, 0x50, 0 | (0 >> 8), 0x39999},
+       {5, 3, 0x51, 0 | (0 >> 8), 0x04444},
+       {6, 3, 0x51, 0 | (0 >> 8), 0x0EEEE},
+       {7, 3, 0x51, 0 | (0 >> 8), 0x19999},
+       {8, 3, 0x51, 0 | (0 >> 8), 0x24444},
+       {9, 3, 0x51, 0 | (0 >> 8), 0x2EEEE},
+       {10, 3, 0x51, 0 | (0 >> 8), 0x39999},
+       {11, 3, 0x52, 0 | (0 >> 8), 0x04444},
+       {12, 3, 0x52, 0 | (0 >> 8), 0x0EEEE},
+       {13, 3, 0x52, 0 | (0 >> 8), 0x19999},
+       {14, 3, 0x52, 0 | (0 >> 8), 0x33333},
+};
+
 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 {
        struct hw_mode_spec *spec = &rt2x00dev->spec;
@@ -7849,6 +8878,11 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev 
*rt2x00dev)
                        spec->channels = rf_vals_3x;
                break;
 
+       case RF7620:
+               spec->num_channels = ARRAY_SIZE(rf_vals_7620);
+               spec->channels = rf_vals_7620;
+               break;
+
        case RF3052:
        case RF3053:
                spec->num_channels = ARRAY_SIZE(rf_vals_3x);
@@ -7980,6 +9014,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev 
*rt2x00dev)
        case RF5390:
        case RF5392:
        case RF5592:
+       case RF7620:
                __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
                break;
        }
-- 
2.11.1

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