From: Gabor Juhos <[email protected]>

Signed-off-by: Gabor Juhos <[email protected]>
[[email protected]: use usleep_range instead of msleep, fixed comment]
---
 drivers/net/wireless/ralink/rt2x00/rt2800.h    |  13 +++
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 141 +++++++++++++++++++++++++
 2 files changed, 154 insertions(+)

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800.h 
b/drivers/net/wireless/ralink/rt2x00/rt2800.h
index 2190bf07d004..33a3b33c9a0b 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800.h
@@ -1588,6 +1588,18 @@
 #define TX_PWR_CFG_9_STBC7_CH2         FIELD32(0x00000f00)
 
 /*
+ * 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
@@ -2157,6 +2169,7 @@ struct mac_iveiv_entry {
 /*
  * RFCSR 2:
  */
+#define RFCSR2_RESCAL_BP               FIELD8(0x40)
 #define RFCSR2_RESCAL_EN               FIELD8(0x80)
 
 /*
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c 
b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index df0c6dd90735..870e2da20d47 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -6865,6 +6865,144 @@ static void rt2800_init_rfcsr_3593(struct rt2x00_dev 
*rt2x00dev)
        /* TODO: enable stream mode support */
 }
 
+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);
+       }
+
+       rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
+       rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_BP, 0);
+       rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
+       rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+       usleep_range(1000, 1500);
+       rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 0);
+       rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
+       rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
+       rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
+       rfcsr |= 0xc0;
+       rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
+       rfcsr |= 0x20;
+       rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 46, &rfcsr);
+       rfcsr |= 0x20;
+       rt2800_rfcsr_write(rt2x00dev, 46, rfcsr);
+
+       rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
+       rfcsr &= ~0xee;
+       rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
+}
+
 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
 {
        rt2800_rf_init_calibration(rt2x00dev, 2);
@@ -7096,6 +7234,9 @@ 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;
-- 
2.11.0

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