rt2x00: Add rt3071 support in rt2800 register initialization.

Add RT3071 specific register initializations to rt2x00, based on the latest
Ralink rt3070 vendor driver.

With this patch my RT3071 based devices start showing a sign of life.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 93 insertions, 9 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 7d1cb7ea0952..fe7171f408ba 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -1042,7 +1042,8 @@ EXPORT_SYMBOL_GPL(rt2800_link_stats);
 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
 {
         if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
-                if (rt2x00_rt(rt2x00dev, RT3070))
+                if (rt2x00_rt(rt2x00dev, RT3070) ||
+                    rt2x00_rt(rt2x00dev, RT3071))
                         return 0x1c + (2 * rt2x00dev->lna_gain);
                 else
                         return 0x2e + rt2x00dev->lna_gain;
@@ -1091,6 +1092,7 @@ EXPORT_SYMBOL_GPL(rt2800_link_tuner);
 int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
 {
         u32 reg;
+        u16 eeprom;
         unsigned int i;
 
         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
@@ -1190,7 +1192,22 @@ int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
         rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
         rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
 
-        if (rt2x00_rt(rt2x00dev, RT3070)) {
+        if (rt2x00_rt(rt2x00dev, RT3071)) {
+                rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
+                rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
+                if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E)) {
+                        rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+                        if (rt2x00_get_field16(eeprom, EEPROM_NIC_DAC_TEST))
+                                rt2800_register_write(rt2x00dev, TX_SW_CFG2,
+                                                      0x0000002c);
+                        else
+                                rt2800_register_write(rt2x00dev, TX_SW_CFG2,
+                                                      0x0000000f);
+                } else {
+                        rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
+                }
+                rt2800_register_write(rt2x00dev, TX_SW_CFG2, reg);
+        } else if (rt2x00_rt(rt2x00dev, RT3070)) {
                 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
 
                 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
@@ -1540,7 +1557,8 @@ int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 
         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
 
-        if (rt2x00_rt(rt2x00dev, RT3070)) {
+        if (rt2x00_rt(rt2x00dev, RT3070) ||
+            rt2x00_rt(rt2x00dev, RT3071)) {
                 rt2800_bbp_write(rt2x00dev, 79, 0x13);
                 rt2800_bbp_write(rt2x00dev, 80, 0x05);
                 rt2800_bbp_write(rt2x00dev, 81, 0x33);
@@ -1561,7 +1579,8 @@ int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
         rt2800_bbp_write(rt2x00dev, 91, 0x04);
         rt2800_bbp_write(rt2x00dev, 92, 0x00);
 
-        if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F))
+        if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
+            rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E))
                 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
         else
                 rt2800_bbp_write(rt2x00dev, 103, 0x00);
@@ -1569,6 +1588,18 @@ int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
         rt2800_bbp_write(rt2x00dev, 105, 0x05);
         rt2800_bbp_write(rt2x00dev, 106, 0x35);
 
+        if (rt2x00_rt(rt2x00dev, RT3071)) {
+                rt2800_bbp_read(rt2x00dev, 138, &value);
+
+                rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+                if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TXPATH) == 1)
+                        value |= 0x20;
+                if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH) == 1)
+                        value &= ~0x02;
+
+                rt2800_bbp_write(rt2x00dev, 138, value);
+        }
+
         if (rt2x00_rt(rt2x00dev, RT2872)) {
                 rt2800_bbp_write(rt2x00dev, 31, 0x08);
                 rt2800_bbp_write(rt2x00dev, 78, 0x0e);
@@ -1656,7 +1687,8 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
         u32 reg;
         u16 eeprom;
 
-        if (!rt2x00_rt(rt2x00dev, RT3070))
+        if (!rt2x00_rt(rt2x00dev, RT3070) &&
+            !rt2x00_rt(rt2x00dev, RT3071))
                 return 0;
 
         /*
@@ -1669,7 +1701,8 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
         rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
         rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
 
-        if (rt2x00_rt(rt2x00dev, RT3070)) {
+        if (rt2x00_rt(rt2x00dev, RT3070) ||
+            rt2x00_rt(rt2x00dev, RT3071)) {
                 rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
                 rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
                 rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
@@ -1696,6 +1729,23 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
                 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
                 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
                 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
+        } else if (rt2x00_rt(rt2x00dev, RT3071)) {
+                rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
+                rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
+                rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+                rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
+
+                rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
+                rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
+                if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E)) {
+                        rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+                        if (rt2x00_get_field16(eeprom, EEPROM_NIC_DAC_TEST))
+                                rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
+                        else
+                                rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
+                }
+                rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
         }
 
         /*
@@ -1706,6 +1756,11 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
                         rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x16);
                 rt2x00dev->calibration[1] =
                         rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
+        } else if (rt2x00_rt(rt2x00dev, RT3071)) {
+                rt2x00dev->calibration[0] =
+                        rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13);
+                rt2x00dev->calibration[1] =
+                        rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15);
         }
 
         /*
@@ -1724,7 +1779,8 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
         rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
         rt2800_bbp_write(rt2x00dev, 4, bbp);
 
-        if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
+        if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
+            rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E))
                 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
 
         rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
@@ -1733,6 +1789,11 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 
         rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
         rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
+        if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E)) {
+                rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &eeprom);
+                if (rt2x00_get_field16(eeprom, EEPROM_NIC_EXTERNAL_LNA_BG))
+                        rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
+        }
         rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &eeprom);
         if (rt2x00_get_field16(eeprom, EEPROM_TXMIXER_GAIN_BG_VAL) >= 1)
                 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
@@ -1740,9 +1801,32 @@ int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
                                                    EEPROM_TXMIXER_GAIN_BG_VAL));
         rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
 
-        if (rt2x00_rt(rt2x00dev, RT3070)) {
+        if (rt2x00_rt(rt2x00dev, RT3071)) {
+                rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
+                rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+                rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
+                rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
+                rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
+                rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
+                rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+                rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
+                rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
+                rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
+
+                rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
+                rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
+                rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
+
+                rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
+                rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
+                rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
+        }
+
+        if (rt2x00_rt(rt2x00dev, RT3070) || rt2x00_rt(rt2x00dev, RT3071)) {
                 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
-                if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
+                if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
+                    rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E))
                         rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
                 else
                         rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);