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path: root/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800lib.c1789
1 files changed, 1693 insertions, 96 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 18102fbe36d6..12b700c7b9c3 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -198,6 +198,26 @@ static void rt2800_rfcsr_write_dccal(struct rt2x00_dev *rt2x00dev,
rt2800_rfcsr_write_bank(rt2x00dev, 7, reg, 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 u8 rt2800_bbp_dcoc_read(struct rt2x00_dev *rt2x00dev, const u8 reg)
+{
+ rt2800_bbp_write(rt2x00dev, 158, reg);
+ return rt2800_bbp_read(rt2x00dev, 159);
+}
+
+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 u8 rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
const unsigned int word)
{
@@ -2143,6 +2163,48 @@ void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
}
EXPORT_SYMBOL_GPL(rt2800_config_erp);
+static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev,
+ const struct rt2x00_field32 mask)
+{
+ unsigned int i;
+ u32 reg;
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ reg = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
+ if (!rt2x00_get_field32(reg, mask))
+ return 0;
+
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
+ return -EACCES;
+}
+
+static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
+{
+ unsigned int i;
+ u8 value;
+
+ /*
+ * BBP was enabled after firmware was loaded,
+ * but we need to reactivate it now.
+ */
+ rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
+ rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
+ msleep(1);
+
+ for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
+ value = rt2800_bbp_read(rt2x00dev, 0);
+ if ((value != 0xff) && (value != 0x00))
+ return 0;
+ udelay(REGISTER_BUSY_DELAY);
+ }
+
+ rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
+ return -EACCES;
+}
+
static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
@@ -3310,10 +3372,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
/* r55/r59 value array of channel 1~14 */
- static const char r55_bt_rev[] = {0x83, 0x83,
+ static const u8 r55_bt_rev[] = {0x83, 0x83,
0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
- static const char r59_bt_rev[] = {0x0e, 0x0e,
+ static const u8 r59_bt_rev[] = {0x0e, 0x0e,
0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
@@ -3322,7 +3384,7 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
rt2800_rfcsr_write(rt2x00dev, 59,
r59_bt_rev[idx]);
} else {
- static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
+ static const u8 r59_bt[] = {0x8b, 0x8b, 0x8b,
0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
0x88, 0x88, 0x86, 0x85, 0x84};
@@ -3330,10 +3392,10 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
}
} else {
if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
- static const char r55_nonbt_rev[] = {0x23, 0x23,
+ static const u8 r55_nonbt_rev[] = {0x23, 0x23,
0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
- static const char r59_nonbt_rev[] = {0x07, 0x07,
+ static const u8 r59_nonbt_rev[] = {0x07, 0x07,
0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
@@ -3344,14 +3406,14 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
} else if (rt2x00_rt(rt2x00dev, RT5390) ||
rt2x00_rt(rt2x00dev, RT5392) ||
rt2x00_rt(rt2x00dev, RT6352)) {
- static const char r59_non_bt[] = {0x8f, 0x8f,
+ static const u8 r59_non_bt[] = {0x8f, 0x8f,
0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
rt2800_rfcsr_write(rt2x00dev, 59,
r59_non_bt[idx]);
} else if (rt2x00_rt(rt2x00dev, RT5350)) {
- static const char r59_non_bt[] = {0x0b, 0x0b,
+ static const u8 r59_non_bt[] = {0x0b, 0x0b,
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a,
0x0a, 0x09, 0x08, 0x07, 0x07, 0x06};
@@ -3793,16 +3855,23 @@ static void rt2800_config_channel_rf7620(struct rt2x00_dev *rt2x00dev,
rfcsr |= tx_agc_fc;
rt2800_rfcsr_write_bank(rt2x00dev, 7, 59, rfcsr);
}
+
+ if (conf_is_ht40(conf)) {
+ rt2800_bbp_glrt_write(rt2x00dev, 141, 0x10);
+ rt2800_bbp_glrt_write(rt2x00dev, 157, 0x2f);
+ } else {
+ rt2800_bbp_glrt_write(rt2x00dev, 141, 0x1a);
+ rt2800_bbp_glrt_write(rt2x00dev, 157, 0x40);
+ }
}
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 mac_sys_ctrl;
u32 reg;
u8 bbp;
- int i;
/* hardware unit is 0.5dBm, limited to 23.5dBm */
power_level *= 2;
@@ -3838,16 +3907,8 @@ static void rt2800_config_alc(struct rt2x00_dev *rt2x00dev,
/* Disable Tx/Rx */
rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0);
/* Check MAC Tx/Rx idle */
- for (i = 0; i < 10000; i++) {
- mac_status = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
- if (mac_status & 0x3)
- usleep_range(50, 200);
- else
- break;
- }
-
- if (i == 10000)
- rt2x00_warn(rt2x00dev, "Wait MAC Status to MAX !!!\n");
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY)))
+ rt2x00_warn(rt2x00dev, "RF busy while configuring ALC\n");
if (chan->center_freq > 2457) {
bbp = rt2800_bbp_read(rt2x00dev, 30);
@@ -3974,23 +4035,23 @@ static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
}
-static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
+static s8 rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
unsigned int channel,
- char txpower)
+ s8 txpower)
{
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);
+ return clamp_t(s8, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
if (rt2x00_rt(rt2x00dev, RT3593) ||
rt2x00_rt(rt2x00dev, RT3883))
- return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
+ return clamp_t(s8, txpower, MIN_A_TXPOWER_3593,
MAX_A_TXPOWER_3593);
else
- return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
+ return clamp_t(s8, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
}
static void rt3883_bbp_adjust(struct rt2x00_dev *rt2x00dev,
@@ -4164,7 +4225,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
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);
- rt2800_bbp_write(rt2x00dev, 86, 0);
+ if (rt2x00_rt(rt2x00dev, RT6352))
+ rt2800_bbp_write(rt2x00dev, 86, 0x38);
+ else
+ rt2800_bbp_write(rt2x00dev, 86, 0);
}
if (rf->channel <= 14) {
@@ -4365,7 +4429,45 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2*rt2x00dev->lna_gain;
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
- rt2800_iq_calibrate(rt2x00dev, rf->channel);
+ if (rt2x00_rt(rt2x00dev, RT5592))
+ rt2800_iq_calibrate(rt2x00dev, rf->channel);
+ }
+
+ if (rt2x00_rt(rt2x00dev, RT6352)) {
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0,
+ &rt2x00dev->cap_flags)) {
+ reg = rt2800_register_read(rt2x00dev, RF_CONTROL3);
+ reg |= 0x00000101;
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, reg);
+
+ reg = rt2800_register_read(rt2x00dev, RF_BYPASS3);
+ reg |= 0x00000101;
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, reg);
+
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 43, 0x73);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0x73);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0x73);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0xC8);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xA4);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 49, 0x05);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x27);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0xC8);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xA4);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x05);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 58, 0x27);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 59, 0xC8);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 60, 0xA4);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 61, 0x05);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 05, 0x00);
+
+ rt2800_register_write(rt2x00dev, TX0_RF_GAIN_CORRECT,
+ 0x36303636);
+ rt2800_register_write(rt2x00dev, TX0_RF_GAIN_ATTEN,
+ 0x6C6C6B6C);
+ rt2800_register_write(rt2x00dev, TX1_RF_GAIN_ATTEN,
+ 0x6C6C6B6C);
+ }
}
bbp = rt2800_bbp_read(rt2x00dev, 4);
@@ -5644,7 +5746,8 @@ 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, RT3883)) {
+ rt2x00_rt(rt2x00dev, RT3883) ||
+ rt2x00_rt(rt2x00dev, RT6352)) {
rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
vgc_level);
} else if (rt2x00_rt(rt2x00dev, RT5592)) {
@@ -5867,7 +5970,7 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
} else if (rt2x00_rt(rt2x00dev, RT6352)) {
rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000401);
- rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0000);
+ rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x000C0001);
rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
rt2800_register_write(rt2x00dev, TX_ALC_VGA3, 0x00000000);
rt2800_register_write(rt2x00dev, TX0_BB_GAIN_ATTEN, 0x0);
@@ -6129,6 +6232,27 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
reg = rt2800_register_read(rt2x00dev, US_CYC_CNT);
rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
+ } else if (rt2x00_is_soc(rt2x00dev)) {
+ struct clk *clk = clk_get_sys("bus", NULL);
+ int rate;
+
+ if (IS_ERR(clk)) {
+ clk = clk_get_sys("cpu", NULL);
+
+ if (IS_ERR(clk)) {
+ rate = 125;
+ } else {
+ rate = clk_get_rate(clk) / 3000000;
+ clk_put(clk);
+ }
+ } else {
+ rate = clk_get_rate(clk) / 1000000;
+ clk_put(clk);
+ }
+
+ reg = rt2800_register_read(rt2x00dev, US_CYC_CNT);
+ rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, rate);
+ rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
}
reg = rt2800_register_read(rt2x00dev, HT_FBK_CFG0);
@@ -6212,46 +6336,6 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
return 0;
}
-static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
-{
- unsigned int i;
- u32 reg;
-
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- reg = rt2800_register_read(rt2x00dev, MAC_STATUS_CFG);
- if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
- return 0;
-
- udelay(REGISTER_BUSY_DELAY);
- }
-
- rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
- return -EACCES;
-}
-
-static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
-{
- unsigned int i;
- u8 value;
-
- /*
- * BBP was enabled after firmware was loaded,
- * but we need to reactivate it now.
- */
- rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
- rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
- msleep(1);
-
- for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- value = rt2800_bbp_read(rt2x00dev, 0);
- if ((value != 0xff) && (value != 0x00))
- return 0;
- udelay(REGISTER_BUSY_DELAY);
- }
-
- rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
- return -EACCES;
-}
static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
{
@@ -6916,26 +7000,6 @@ 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 u8 rt2800_bbp_dcoc_read(struct rt2x00_dev *rt2x00dev, const u8 reg)
-{
- rt2800_bbp_write(rt2x00dev, 158, reg);
- return rt2800_bbp_read(rt2x00dev, 159);
-}
-
static void rt2800_init_bbp_6352(struct rt2x00_dev *rt2x00dev)
{
u8 bbp;
@@ -8398,6 +8462,1519 @@ static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
rt2800_led_open_drain_enable(rt2x00dev);
}
+static void rt2800_rf_self_txdc_cal(struct rt2x00_dev *rt2x00dev)
+{
+ u8 rfb5r1_org, rfb7r1_org, rfvalue;
+ u32 mac0518, mac051c, mac0528, mac052c;
+ u8 i;
+
+ mac0518 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
+ mac051c = rt2800_register_read(rt2x00dev, RF_BYPASS0);
+ mac0528 = rt2800_register_read(rt2x00dev, RF_CONTROL2);
+ mac052c = rt2800_register_read(rt2x00dev, RF_BYPASS2);
+
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0);
+ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0);
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0xC);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x3306);
+ rt2800_register_write(rt2x00dev, RF_CONTROL2, 0x3330);
+ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0xfffff);
+ rfb5r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
+ rfb7r1_org = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, 0x4);
+ for (i = 0; i < 100; ++i) {
+ usleep_range(50, 100);
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 1);
+ if ((rfvalue & 0x04) != 0x4)
+ break;
+ }
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 1, rfb5r1_org);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, 0x4);
+ for (i = 0; i < 100; ++i) {
+ usleep_range(50, 100);
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 1);
+ if ((rfvalue & 0x04) != 0x4)
+ break;
+ }
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 1, rfb7r1_org);
+
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x0);
+ rt2800_register_write(rt2x00dev, RF_BYPASS2, 0x0);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, mac0518);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, mac051c);
+ rt2800_register_write(rt2x00dev, RF_CONTROL2, mac0528);
+ rt2800_register_write(rt2x00dev, RF_BYPASS2, mac052c);
+}
+
+static int rt2800_calcrcalibrationcode(struct rt2x00_dev *rt2x00dev, int d1, int d2)
+{
+ int calcode = ((d2 - d1) * 1000) / 43;
+
+ if ((calcode % 10) >= 5)
+ calcode += 10;
+ calcode = (calcode / 10);
+
+ return calcode;
+}
+
+static void rt2800_r_calibration(struct rt2x00_dev *rt2x00dev)
+{
+ u32 savemacsysctrl;
+ u8 saverfb0r1, saverfb0r34, saverfb0r35;
+ u8 saverfb5r4, saverfb5r17, saverfb5r18;
+ u8 saverfb5r19, saverfb5r20;
+ u8 savebbpr22, savebbpr47, savebbpr49;
+ u8 bytevalue = 0;
+ int rcalcode;
+ u8 r_cal_code = 0;
+ s8 d1 = 0, d2 = 0;
+ u8 rfvalue;
+ u32 MAC_RF_BYPASS0, MAC_RF_CONTROL0, MAC_PWR_PIN_CFG;
+ u32 maccfg;
+
+ saverfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1);
+ saverfb0r34 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 34);
+ saverfb0r35 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35);
+ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
+ saverfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
+ saverfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
+ saverfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
+ saverfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
+
+ savebbpr22 = rt2800_bbp_read(rt2x00dev, 22);
+ savebbpr47 = rt2800_bbp_read(rt2x00dev, 47);
+ savebbpr49 = rt2800_bbp_read(rt2x00dev, 49);
+
+ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ MAC_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
+ MAC_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
+ MAC_PWR_PIN_CFG = rt2800_register_read(rt2x00dev, PWR_PIN_CFG);
+
+ maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ maccfg &= (~0x04);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX)))
+ rt2x00_warn(rt2x00dev, "Wait MAC Tx Status to MAX !!!\n");
+
+ maccfg = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ maccfg &= (~0x04);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, maccfg);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX)))
+ rt2x00_warn(rt2x00dev, "Wait MAC Rx Status to MAX !!!\n");
+
+ rfvalue = (MAC_RF_BYPASS0 | 0x3004);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, rfvalue);
+ rfvalue = (MAC_RF_CONTROL0 | (~0x3002));
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, rfvalue);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x27);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0x83);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0x00);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x00);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, 0x13);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00);
+
+ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x1);
+
+ rt2800_bbp_write(rt2x00dev, 47, 0x04);
+ rt2800_bbp_write(rt2x00dev, 22, 0x80);
+ usleep_range(100, 200);
+ bytevalue = rt2800_bbp_read(rt2x00dev, 49);
+ if (bytevalue > 128)
+ d1 = bytevalue - 256;
+ else
+ d1 = (s8)bytevalue;
+ rt2800_bbp_write(rt2x00dev, 22, 0x0);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x01);
+
+ rt2800_bbp_write(rt2x00dev, 22, 0x80);
+ usleep_range(100, 200);
+ bytevalue = rt2800_bbp_read(rt2x00dev, 49);
+ if (bytevalue > 128)
+ d2 = bytevalue - 256;
+ else
+ d2 = (s8)bytevalue;
+ rt2800_bbp_write(rt2x00dev, 22, 0x0);
+
+ rcalcode = rt2800_calcrcalibrationcode(rt2x00dev, d1, d2);
+ if (rcalcode < 0)
+ r_cal_code = 256 + rcalcode;
+ else
+ r_cal_code = (u8)rcalcode;
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 7, r_cal_code);
+
+ rt2800_bbp_write(rt2x00dev, 22, 0x0);
+
+ bytevalue = rt2800_bbp_read(rt2x00dev, 21);
+ bytevalue |= 0x1;
+ rt2800_bbp_write(rt2x00dev, 21, bytevalue);
+ bytevalue = rt2800_bbp_read(rt2x00dev, 21);
+ bytevalue &= (~0x1);
+ rt2800_bbp_write(rt2x00dev, 21, bytevalue);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, saverfb0r1);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 34, saverfb0r34);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, saverfb0r35);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, saverfb5r17);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, saverfb5r18);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, saverfb5r19);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, saverfb5r20);
+
+ rt2800_bbp_write(rt2x00dev, 22, savebbpr22);
+ rt2800_bbp_write(rt2x00dev, 47, savebbpr47);
+ rt2800_bbp_write(rt2x00dev, 49, savebbpr49);
+
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, MAC_RF_BYPASS0);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, MAC_RF_CONTROL0);
+
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl);
+ rt2800_register_write(rt2x00dev, PWR_PIN_CFG, MAC_PWR_PIN_CFG);
+}
+
+static void rt2800_rxdcoc_calibration(struct rt2x00_dev *rt2x00dev)
+{
+ u8 bbpreg = 0;
+ u32 macvalue = 0;
+ u8 saverfb0r2, saverfb5r4, saverfb7r4, rfvalue;
+ int i;
+
+ saverfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
+ rfvalue = saverfb0r2;
+ rfvalue |= 0x03;
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfvalue);
+
+ rt2800_bbp_write(rt2x00dev, 158, 141);
+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
+ bbpreg |= 0x10;
+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
+
+ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x8);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX)))
+ rt2x00_warn(rt2x00dev, "RF TX busy in RX RXDCOC calibration\n");
+
+ saverfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
+ saverfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
+ saverfb5r4 = saverfb5r4 & (~0x40);
+ saverfb7r4 = saverfb7r4 & (~0x40);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x64);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, saverfb5r4);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, saverfb7r4);
+
+ rt2800_bbp_write(rt2x00dev, 158, 141);
+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
+ bbpreg = bbpreg & (~0x40);
+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
+ bbpreg |= 0x48;
+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
+
+ for (i = 0; i < 10000; i++) {
+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
+ if ((bbpreg & 0x40) == 0)
+ break;
+ usleep_range(50, 100);
+ }
+
+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
+ bbpreg = bbpreg & (~0x40);
+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
+
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
+
+ rt2800_bbp_write(rt2x00dev, 158, 141);
+ bbpreg = rt2800_bbp_read(rt2x00dev, 159);
+ bbpreg &= (~0x10);
+ rt2800_bbp_write(rt2x00dev, 159, bbpreg);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, saverfb0r2);
+}
+
+static u32 rt2800_do_sqrt_accumulation(u32 si)
+{
+ u32 root, root_pre, bit;
+ s8 i;
+
+ bit = 1 << 15;
+ root = 0;
+ for (i = 15; i >= 0; i = i - 1) {
+ root_pre = root + bit;
+ if ((root_pre * root_pre) <= si)
+ root = root_pre;
+ bit = bit >> 1;
+ }
+
+ return root;
+}
+
+static void rt2800_rxiq_calibration(struct rt2x00_dev *rt2x00dev)
+{
+ u8 rfb0r1, rfb0r2, rfb0r42;
+ u8 rfb4r0, rfb4r19;
+ u8 rfb5r3, rfb5r4, rfb5r17, rfb5r18, rfb5r19, rfb5r20;
+ u8 rfb6r0, rfb6r19;
+ u8 rfb7r3, rfb7r4, rfb7r17, rfb7r18, rfb7r19, rfb7r20;
+
+ u8 bbp1, bbp4;
+ u8 bbpr241, bbpr242;
+ u32 i;
+ u8 ch_idx;
+ u8 bbpval;
+ u8 rfval, vga_idx = 0;
+ int mi = 0, mq = 0, si = 0, sq = 0, riq = 0;
+ int sigma_i, sigma_q, r_iq, g_rx;
+ int g_imb;
+ int ph_rx;
+ u32 savemacsysctrl = 0;
+ u32 orig_RF_CONTROL0 = 0;
+ u32 orig_RF_BYPASS0 = 0;
+ u32 orig_RF_CONTROL1 = 0;
+ u32 orig_RF_BYPASS1 = 0;
+ u32 orig_RF_CONTROL3 = 0;
+ u32 orig_RF_BYPASS3 = 0;
+ u32 bbpval1 = 0;
+ static const u8 rf_vga_table[] = {0x20, 0x21, 0x22, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f};
+
+ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ orig_RF_CONTROL0 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
+ orig_RF_BYPASS0 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
+ orig_RF_CONTROL1 = rt2800_register_read(rt2x00dev, RF_CONTROL1);
+ orig_RF_BYPASS1 = rt2800_register_read(rt2x00dev, RF_BYPASS1);
+ orig_RF_CONTROL3 = rt2800_register_read(rt2x00dev, RF_CONTROL3);
+ orig_RF_BYPASS3 = rt2800_register_read(rt2x00dev, RF_BYPASS3);
+
+ bbp1 = rt2800_bbp_read(rt2x00dev, 1);
+ bbp4 = rt2800_bbp_read(rt2x00dev, 4);
+
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x0);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY)))
+ rt2x00_warn(rt2x00dev, "Timeout waiting for MAC status in RXIQ calibration\n");
+
+ bbpval = bbp4 & (~0x18);
+ bbpval = bbp4 | 0x00;
+ rt2800_bbp_write(rt2x00dev, 4, bbpval);
+
+ bbpval = rt2800_bbp_read(rt2x00dev, 21);
+ bbpval = bbpval | 1;
+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
+ bbpval = bbpval & 0xfe;
+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL1, 0x00000202);
+ rt2800_register_write(rt2x00dev, RF_BYPASS1, 0x00000303);
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags))
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0101);
+ else
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x0000);
+
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, 0xf1f1);
+
+ rfb0r1 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1);
+ rfb0r2 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
+ rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42);
+ rfb4r0 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0);
+ rfb4r19 = rt2800_rfcsr_read_bank(rt2x00dev, 4, 19);
+ rfb5r3 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
+ rfb5r4 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
+ rfb5r17 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
+ rfb5r18 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
+ rfb5r19 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
+ rfb5r20 = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
+
+ rfb6r0 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0);
+ rfb6r19 = rt2800_rfcsr_read_bank(rt2x00dev, 6, 19);
+ rfb7r3 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3);
+ rfb7r4 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
+ rfb7r17 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17);
+ rfb7r18 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18);
+ rfb7r19 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19);
+ rfb7r20 = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20);
+
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 0, 0x87);
+ rt2800_rfcsr_write_chanreg(rt2x00dev, 19, 0x27);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x38);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x38);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x80);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 18, 0xC1);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 19, 0x60);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 20, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 23, 0x0);
+ rt2800_bbp_write(rt2x00dev, 24, 0x0);
+
+ rt2800_bbp_dcoc_write(rt2x00dev, 5, 0x0);
+
+ bbpr241 = rt2800_bbp_read(rt2x00dev, 241);
+ bbpr242 = rt2800_bbp_read(rt2x00dev, 242);
+
+ rt2800_bbp_write(rt2x00dev, 241, 0x10);
+ rt2800_bbp_write(rt2x00dev, 242, 0x84);
+ rt2800_bbp_write(rt2x00dev, 244, 0x31);
+
+ bbpval = rt2800_bbp_dcoc_read(rt2x00dev, 3);
+ bbpval = bbpval & (~0x7);
+ rt2800_bbp_dcoc_write(rt2x00dev, 3, bbpval);
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
+ udelay(1);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006);
+ usleep_range(1, 200);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003376);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006);
+ udelay(1);
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ rt2800_bbp_write(rt2x00dev, 23, 0x06);
+ rt2800_bbp_write(rt2x00dev, 24, 0x06);
+ } else {
+ rt2800_bbp_write(rt2x00dev, 23, 0x02);
+ rt2800_bbp_write(rt2x00dev, 24, 0x02);
+ }
+
+ for (ch_idx = 0; ch_idx < 2; ch_idx = ch_idx + 1) {
+ if (ch_idx == 0) {
+ rfval = rfb0r1 & (~0x3);
+ rfval = rfb0r1 | 0x1;
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
+ rfval = rfb0r2 & (~0x33);
+ rfval = rfb0r2 | 0x11;
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
+ rfval = rfb0r42 & (~0x50);
+ rfval = rfb0r42 | 0x10;
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001006);
+ udelay(1);
+
+ bbpval = bbp1 & (~0x18);
+ bbpval = bbpval | 0x00;
+ rt2800_bbp_write(rt2x00dev, 1, bbpval);
+
+ rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x00);
+ } else {
+ rfval = rfb0r1 & (~0x3);
+ rfval = rfb0r1 | 0x2;
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfval);
+ rfval = rfb0r2 & (~0x33);
+ rfval = rfb0r2 | 0x22;
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfval);
+ rfval = rfb0r42 & (~0x50);
+ rfval = rfb0r42 | 0x40;
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfval);
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002006);
+ udelay(1);
+
+ bbpval = bbp1 & (~0x18);
+ bbpval = bbpval | 0x08;
+ rt2800_bbp_write(rt2x00dev, 1, bbpval);
+
+ rt2800_bbp_dcoc_write(rt2x00dev, 1, 0x01);
+ }
+ usleep_range(500, 1500);
+
+ vga_idx = 0;
+ while (vga_idx < 11) {
+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rf_vga_table[vga_idx]);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rf_vga_table[vga_idx]);
+
+ rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x93);
+
+ for (i = 0; i < 10000; i++) {
+ bbpval = rt2800_bbp_read(rt2x00dev, 159);
+ if ((bbpval & 0xff) == 0x93)
+ usleep_range(50, 100);
+ else
+ break;
+ }
+
+ if ((bbpval & 0xff) == 0x93) {
+ rt2x00_warn(rt2x00dev, "Fatal Error: Calibration doesn't finish");
+ goto restore_value;
+ }
+ for (i = 0; i < 5; i++) {
+ u32 bbptemp = 0;
+ u8 value = 0;
+ int result = 0;
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x1e);
+ rt2800_bbp_write(rt2x00dev, 159, i);
+ rt2800_bbp_write(rt2x00dev, 158, 0x22);
+ value = rt2800_bbp_read(rt2x00dev, 159);
+ bbptemp = bbptemp + (value << 24);
+ rt2800_bbp_write(rt2x00dev, 158, 0x21);
+ value = rt2800_bbp_read(rt2x00dev, 159);
+ bbptemp = bbptemp + (value << 16);
+ rt2800_bbp_write(rt2x00dev, 158, 0x20);
+ value = rt2800_bbp_read(rt2x00dev, 159);
+ bbptemp = bbptemp + (value << 8);
+ rt2800_bbp_write(rt2x00dev, 158, 0x1f);
+ value = rt2800_bbp_read(rt2x00dev, 159);
+ bbptemp = bbptemp + value;
+
+ if (i < 2 && (bbptemp & 0x800000))
+ result = (bbptemp & 0xffffff) - 0x1000000;
+ else if (i == 4)
+ result = bbptemp;
+ else
+ result = bbptemp;
+
+ if (i == 0)
+ mi = result / 4096;
+ else if (i == 1)
+ mq = result / 4096;
+ else if (i == 2)
+ si = bbptemp / 4096;
+ else if (i == 3)
+ sq = bbptemp / 4096;
+ else
+ riq = result / 4096;
+ }
+
+ bbpval1 = si - mi * mi;
+ rt2x00_dbg(rt2x00dev,
+ "RXIQ si=%d, sq=%d, riq=%d, bbpval %d, vga_idx %d",
+ si, sq, riq, bbpval1, vga_idx);
+
+ if (bbpval1 >= (100 * 100))
+ break;
+
+ if (bbpval1 <= 100)
+ vga_idx = vga_idx + 9;
+ else if (bbpval1 <= 158)
+ vga_idx = vga_idx + 8;
+ else if (bbpval1 <= 251)
+ vga_idx = vga_idx + 7;
+ else if (bbpval1 <= 398)
+ vga_idx = vga_idx + 6;
+ else if (bbpval1 <= 630)
+ vga_idx = vga_idx + 5;
+ else if (bbpval1 <= 1000)
+ vga_idx = vga_idx + 4;
+ else if (bbpval1 <= 1584)
+ vga_idx = vga_idx + 3;
+ else if (bbpval1 <= 2511)
+ vga_idx = vga_idx + 2;
+ else
+ vga_idx = vga_idx + 1;
+ }
+
+ sigma_i = rt2800_do_sqrt_accumulation(100 * (si - mi * mi));
+ sigma_q = rt2800_do_sqrt_accumulation(100 * (sq - mq * mq));
+ r_iq = 10 * (riq - (mi * mq));
+
+ rt2x00_dbg(rt2x00dev, "Sigma_i=%d, Sigma_q=%d, R_iq=%d", sigma_i, sigma_q, r_iq);
+
+ if (sigma_i <= 1400 && sigma_i >= 1000 &&
+ (sigma_i - sigma_q) <= 112 &&
+ (sigma_i - sigma_q) >= -112 &&
+ mi <= 32 && mi >= -32 &&
+ mq <= 32 && mq >= -32) {
+ r_iq = 10 * (riq - (mi * mq));
+ rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n",
+ sigma_i, sigma_q, r_iq);
+
+ g_rx = (1000 * sigma_q) / sigma_i;
+ g_imb = ((-2) * 128 * (1000 - g_rx)) / (1000 + g_rx);
+ ph_rx = (r_iq * 2292) / (sigma_i * sigma_q);
+
+ if (ph_rx > 20 || ph_rx < -20) {
+ ph_rx = 0;
+ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
+ }
+
+ if (g_imb > 12 || g_imb < -12) {
+ g_imb = 0;
+ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
+ }
+ } else {
+ g_imb = 0;
+ ph_rx = 0;
+ rt2x00_dbg(rt2x00dev, "RXIQ Sigma_i=%d, Sigma_q=%d, R_iq=%d\n",
+ sigma_i, sigma_q, r_iq);
+ rt2x00_warn(rt2x00dev, "RXIQ calibration FAIL");
+ }
+
+ if (ch_idx == 0) {
+ rt2800_bbp_write(rt2x00dev, 158, 0x37);
+ rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f);
+ rt2800_bbp_write(rt2x00dev, 158, 0x35);
+ rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f);
+ } else {
+ rt2800_bbp_write(rt2x00dev, 158, 0x55);
+ rt2800_bbp_write(rt2x00dev, 159, g_imb & 0x3f);
+ rt2800_bbp_write(rt2x00dev, 158, 0x53);
+ rt2800_bbp_write(rt2x00dev, 159, ph_rx & 0x3f);
+ }
+ }
+
+restore_value:
+ rt2800_bbp_write(rt2x00dev, 158, 0x3);
+ bbpval = rt2800_bbp_read(rt2x00dev, 159);
+ rt2800_bbp_write(rt2x00dev, 159, (bbpval | 0x07));
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x00);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+ rt2800_bbp_write(rt2x00dev, 1, bbp1);
+ rt2800_bbp_write(rt2x00dev, 4, bbp4);
+ rt2800_bbp_write(rt2x00dev, 241, bbpr241);
+ rt2800_bbp_write(rt2x00dev, 242, bbpr242);
+
+ rt2800_bbp_write(rt2x00dev, 244, 0x00);
+ bbpval = rt2800_bbp_read(rt2x00dev, 21);
+ bbpval |= 0x1;
+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
+ usleep_range(10, 200);
+ bbpval &= 0xfe;
+ rt2800_bbp_write(rt2x00dev, 21, bbpval);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, rfb0r1);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, rfb0r2);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, rfb4r0);
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 19, rfb4r19);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, rfb5r3);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, rfb5r4);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, rfb5r17);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, rfb5r18);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, rfb5r19);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, rfb5r20);
+
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, rfb6r0);
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 19, rfb6r19);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, rfb7r3);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, rfb7r4);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, rfb7r17);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, rfb7r18);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, rfb7r19);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, rfb7r20);
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000006);
+ udelay(1);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
+ udelay(1);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, orig_RF_CONTROL0);
+ udelay(1);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, orig_RF_BYPASS0);
+ rt2800_register_write(rt2x00dev, RF_CONTROL1, orig_RF_CONTROL1);
+ rt2800_register_write(rt2x00dev, RF_BYPASS1, orig_RF_BYPASS1);
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, orig_RF_CONTROL3);
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, orig_RF_BYPASS3);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl);
+}
+
+static void rt2800_rf_configstore(struct rt2x00_dev *rt2x00dev,
+ struct rf_reg_pair rf_reg_record[][13], u8 chain)
+{
+ u8 rfvalue = 0;
+
+ if (chain == CHAIN_0) {
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1);
+ rf_reg_record[CHAIN_0][0].bank = 0;
+ rf_reg_record[CHAIN_0][0].reg = 1;
+ rf_reg_record[CHAIN_0][0].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
+ rf_reg_record[CHAIN_0][1].bank = 0;
+ rf_reg_record[CHAIN_0][1].reg = 2;
+ rf_reg_record[CHAIN_0][1].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35);
+ rf_reg_record[CHAIN_0][2].bank = 0;
+ rf_reg_record[CHAIN_0][2].reg = 35;
+ rf_reg_record[CHAIN_0][2].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42);
+ rf_reg_record[CHAIN_0][3].bank = 0;
+ rf_reg_record[CHAIN_0][3].reg = 42;
+ rf_reg_record[CHAIN_0][3].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 0);
+ rf_reg_record[CHAIN_0][4].bank = 4;
+ rf_reg_record[CHAIN_0][4].reg = 0;
+ rf_reg_record[CHAIN_0][4].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 2);
+ rf_reg_record[CHAIN_0][5].bank = 4;
+ rf_reg_record[CHAIN_0][5].reg = 2;
+ rf_reg_record[CHAIN_0][5].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 4, 34);
+ rf_reg_record[CHAIN_0][6].bank = 4;
+ rf_reg_record[CHAIN_0][6].reg = 34;
+ rf_reg_record[CHAIN_0][6].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 3);
+ rf_reg_record[CHAIN_0][7].bank = 5;
+ rf_reg_record[CHAIN_0][7].reg = 3;
+ rf_reg_record[CHAIN_0][7].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 4);
+ rf_reg_record[CHAIN_0][8].bank = 5;
+ rf_reg_record[CHAIN_0][8].reg = 4;
+ rf_reg_record[CHAIN_0][8].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 17);
+ rf_reg_record[CHAIN_0][9].bank = 5;
+ rf_reg_record[CHAIN_0][9].reg = 17;
+ rf_reg_record[CHAIN_0][9].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 18);
+ rf_reg_record[CHAIN_0][10].bank = 5;
+ rf_reg_record[CHAIN_0][10].reg = 18;
+ rf_reg_record[CHAIN_0][10].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 19);
+ rf_reg_record[CHAIN_0][11].bank = 5;
+ rf_reg_record[CHAIN_0][11].reg = 19;
+ rf_reg_record[CHAIN_0][11].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 5, 20);
+ rf_reg_record[CHAIN_0][12].bank = 5;
+ rf_reg_record[CHAIN_0][12].reg = 20;
+ rf_reg_record[CHAIN_0][12].value = rfvalue;
+ } else if (chain == CHAIN_1) {
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 1);
+ rf_reg_record[CHAIN_1][0].bank = 0;
+ rf_reg_record[CHAIN_1][0].reg = 1;
+ rf_reg_record[CHAIN_1][0].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 2);
+ rf_reg_record[CHAIN_1][1].bank = 0;
+ rf_reg_record[CHAIN_1][1].reg = 2;
+ rf_reg_record[CHAIN_1][1].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 35);
+ rf_reg_record[CHAIN_1][2].bank = 0;
+ rf_reg_record[CHAIN_1][2].reg = 35;
+ rf_reg_record[CHAIN_1][2].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42);
+ rf_reg_record[CHAIN_1][3].bank = 0;
+ rf_reg_record[CHAIN_1][3].reg = 42;
+ rf_reg_record[CHAIN_1][3].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 0);
+ rf_reg_record[CHAIN_1][4].bank = 6;
+ rf_reg_record[CHAIN_1][4].reg = 0;
+ rf_reg_record[CHAIN_1][4].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 2);
+ rf_reg_record[CHAIN_1][5].bank = 6;
+ rf_reg_record[CHAIN_1][5].reg = 2;
+ rf_reg_record[CHAIN_1][5].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 6, 34);
+ rf_reg_record[CHAIN_1][6].bank = 6;
+ rf_reg_record[CHAIN_1][6].reg = 34;
+ rf_reg_record[CHAIN_1][6].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 3);
+ rf_reg_record[CHAIN_1][7].bank = 7;
+ rf_reg_record[CHAIN_1][7].reg = 3;
+ rf_reg_record[CHAIN_1][7].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 4);
+ rf_reg_record[CHAIN_1][8].bank = 7;
+ rf_reg_record[CHAIN_1][8].reg = 4;
+ rf_reg_record[CHAIN_1][8].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 17);
+ rf_reg_record[CHAIN_1][9].bank = 7;
+ rf_reg_record[CHAIN_1][9].reg = 17;
+ rf_reg_record[CHAIN_1][9].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 18);
+ rf_reg_record[CHAIN_1][10].bank = 7;
+ rf_reg_record[CHAIN_1][10].reg = 18;
+ rf_reg_record[CHAIN_1][10].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 19);
+ rf_reg_record[CHAIN_1][11].bank = 7;
+ rf_reg_record[CHAIN_1][11].reg = 19;
+ rf_reg_record[CHAIN_1][11].value = rfvalue;
+ rfvalue = rt2800_rfcsr_read_bank(rt2x00dev, 7, 20);
+ rf_reg_record[CHAIN_1][12].bank = 7;
+ rf_reg_record[CHAIN_1][12].reg = 20;
+ rf_reg_record[CHAIN_1][12].value = rfvalue;
+ } else {
+ rt2x00_warn(rt2x00dev, "Unknown chain = %u\n", chain);
+ }
+}
+
+static void rt2800_rf_configrecover(struct rt2x00_dev *rt2x00dev,
+ struct rf_reg_pair rf_record[][13])
+{
+ u8 chain_index = 0, record_index = 0;
+ u8 bank = 0, rf_register = 0, value = 0;
+
+ for (chain_index = 0; chain_index < 2; chain_index++) {
+ for (record_index = 0; record_index < 13; record_index++) {
+ bank = rf_record[chain_index][record_index].bank;
+ rf_register = rf_record[chain_index][record_index].reg;
+ value = rf_record[chain_index][record_index].value;
+ rt2800_rfcsr_write_bank(rt2x00dev, bank, rf_register, value);
+ rt2x00_dbg(rt2x00dev, "bank: %d, rf_register: %d, value: %x\n",
+ bank, rf_register, value);
+ }
+ }
+}
+
+static void rt2800_setbbptonegenerator(struct rt2x00_dev *rt2x00dev)
+{
+ rt2800_bbp_write(rt2x00dev, 158, 0xAA);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xAB);
+ rt2800_bbp_write(rt2x00dev, 159, 0x0A);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xAC);
+ rt2800_bbp_write(rt2x00dev, 159, 0x3F);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xAD);
+ rt2800_bbp_write(rt2x00dev, 159, 0x3F);
+
+ rt2800_bbp_write(rt2x00dev, 244, 0x40);
+}
+
+static u32 rt2800_do_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx, u8 read_neg)
+{
+ u32 macvalue = 0;
+ int fftout_i = 0, fftout_q = 0;
+ u32 ptmp = 0, pint = 0;
+ u8 bbp = 0;
+ u8 tidxi;
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x00);
+ rt2800_bbp_write(rt2x00dev, 159, 0x9b);
+
+ bbp = 0x9b;
+
+ while (bbp == 0x9b) {
+ usleep_range(10, 50);
+ bbp = rt2800_bbp_read(rt2x00dev, 159);
+ bbp = bbp & 0xff;
+ }
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xba);
+ rt2800_bbp_write(rt2x00dev, 159, tidx);
+ rt2800_bbp_write(rt2x00dev, 159, tidx);
+ rt2800_bbp_write(rt2x00dev, 159, tidx);
+
+ macvalue = rt2800_register_read(rt2x00dev, 0x057C);
+
+ fftout_i = (macvalue >> 16);
+ fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i;
+ fftout_q = (macvalue & 0xffff);
+ fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q;
+ ptmp = (fftout_i * fftout_i);
+ ptmp = ptmp + (fftout_q * fftout_q);
+ pint = ptmp;
+ rt2x00_dbg(rt2x00dev, "I = %d, Q = %d, power = %x\n", fftout_i, fftout_q, pint);
+ if (read_neg) {
+ pint = pint >> 1;
+ tidxi = 0x40 - tidx;
+ tidxi = tidxi & 0x3f;
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xba);
+ rt2800_bbp_write(rt2x00dev, 159, tidxi);
+ rt2800_bbp_write(rt2x00dev, 159, tidxi);
+ rt2800_bbp_write(rt2x00dev, 159, tidxi);
+
+ macvalue = rt2800_register_read(rt2x00dev, 0x057C);
+
+ fftout_i = (macvalue >> 16);
+ fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i;
+ fftout_q = (macvalue & 0xffff);
+ fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q;
+ ptmp = (fftout_i * fftout_i);
+ ptmp = ptmp + (fftout_q * fftout_q);
+ ptmp = ptmp >> 1;
+ pint = pint + ptmp;
+ }
+
+ return pint;
+}
+
+static u32 rt2800_read_fft_accumulation(struct rt2x00_dev *rt2x00dev, u8 tidx)
+{
+ u32 macvalue = 0;
+ int fftout_i = 0, fftout_q = 0;
+ u32 ptmp = 0, pint = 0;
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xBA);
+ rt2800_bbp_write(rt2x00dev, 159, tidx);
+ rt2800_bbp_write(rt2x00dev, 159, tidx);
+ rt2800_bbp_write(rt2x00dev, 159, tidx);
+
+ macvalue = rt2800_register_read(rt2x00dev, 0x057C);
+
+ fftout_i = (macvalue >> 16);
+ fftout_i = (fftout_i & 0x8000) ? (fftout_i - 0x10000) : fftout_i;
+ fftout_q = (macvalue & 0xffff);
+ fftout_q = (fftout_q & 0x8000) ? (fftout_q - 0x10000) : fftout_q;
+ ptmp = (fftout_i * fftout_i);
+ ptmp = ptmp + (fftout_q * fftout_q);
+ pint = ptmp;
+
+ return pint;
+}
+
+static void rt2800_write_dc(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 alc, u8 iorq, u8 dc)
+{
+ u8 bbp = 0;
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xb0);
+ bbp = alc | 0x80;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+
+ if (ch_idx == 0)
+ bbp = (iorq == 0) ? 0xb1 : 0xb2;
+ else
+ bbp = (iorq == 0) ? 0xb8 : 0xb9;
+
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ bbp = dc;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+}
+
+static void rt2800_loft_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx,
+ u8 alc_idx, u8 dc_result[][RF_ALC_NUM][2])
+{
+ u32 p0 = 0, p1 = 0, pf = 0;
+ s8 idx0 = 0, idx1 = 0;
+ u8 idxf[] = {0x00, 0x00};
+ u8 ibit = 0x20;
+ u8 iorq;
+ s8 bidx;
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xb0);
+ rt2800_bbp_write(rt2x00dev, 159, 0x80);
+
+ for (bidx = 5; bidx >= 0; bidx--) {
+ for (iorq = 0; iorq <= 1; iorq++) {
+ if (idxf[iorq] == 0x20) {
+ idx0 = 0x20;
+ p0 = pf;
+ } else {
+ idx0 = idxf[iorq] - ibit;
+ idx0 = idx0 & 0x3F;
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx0);
+ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0);
+ }
+
+ idx1 = idxf[iorq] + (bidx == 5 ? 0 : ibit);
+ idx1 = idx1 & 0x3F;
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idx1);
+ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0);
+
+ rt2x00_dbg(rt2x00dev, "alc=%u, IorQ=%u, idx_final=%2x\n",
+ alc_idx, iorq, idxf[iorq]);
+ rt2x00_dbg(rt2x00dev, "p0=%x, p1=%x, pf=%x, idx_0=%x, idx_1=%x, ibit=%x\n",
+ p0, p1, pf, idx0, idx1, ibit);
+
+ if (bidx != 5 && pf <= p0 && pf < p1) {
+ idxf[iorq] = idxf[iorq];
+ } else if (p0 < p1) {
+ pf = p0;
+ idxf[iorq] = idx0 & 0x3F;
+ } else {
+ pf = p1;
+ idxf[iorq] = idx1 & 0x3F;
+ }
+ rt2x00_dbg(rt2x00dev, "IorQ=%u, idx_final[%u]:%x, pf:%8x\n",
+ iorq, iorq, idxf[iorq], pf);
+
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, iorq, idxf[iorq]);
+ }
+ ibit = ibit >> 1;
+ }
+ dc_result[ch_idx][alc_idx][0] = idxf[0];
+ dc_result[ch_idx][alc_idx][1] = idxf[1];
+}
+
+static void rt2800_iq_search(struct rt2x00_dev *rt2x00dev, u8 ch_idx, u8 *ges, u8 *pes)
+{
+ u32 p0 = 0, p1 = 0, pf = 0;
+ s8 perr = 0, gerr = 0, iq_err = 0;
+ s8 pef = 0, gef = 0;
+ s8 psta, pend;
+ s8 gsta, gend;
+
+ u8 ibit = 0x20;
+ u8 first_search = 0x00, touch_neg_max = 0x00;
+ s8 idx0 = 0, idx1 = 0;
+ u8 gop;
+ u8 bbp = 0;
+ s8 bidx;
+
+ for (bidx = 5; bidx >= 1; bidx--) {
+ for (gop = 0; gop < 2; gop++) {
+ if (gop == 1 || bidx < 4) {
+ if (gop == 0)
+ iq_err = gerr;
+ else
+ iq_err = perr;
+
+ first_search = (gop == 0) ? (bidx == 3) : (bidx == 5);
+ touch_neg_max = (gop) ? ((iq_err & 0x0F) == 0x08) :
+ ((iq_err & 0x3F) == 0x20);
+
+ if (touch_neg_max) {
+ p0 = pf;
+ idx0 = iq_err;
+ } else {
+ idx0 = iq_err - ibit;
+ bbp = (ch_idx == 0) ? ((gop == 0) ? 0x28 : 0x29) :
+ ((gop == 0) ? 0x46 : 0x47);
+
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, idx0);
+
+ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1);
+ }
+
+ idx1 = iq_err + (first_search ? 0 : ibit);
+ idx1 = (gop == 0) ? (idx1 & 0x0F) : (idx1 & 0x3F);
+
+ bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 :
+ (gop == 0) ? 0x46 : 0x47;
+
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, idx1);
+
+ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1);
+
+ rt2x00_dbg(rt2x00dev,
+ "p0=%x, p1=%x, pwer_final=%x, idx0=%x, idx1=%x, iq_err=%x, gop=%d, ibit=%x\n",
+ p0, p1, pf, idx0, idx1, iq_err, gop, ibit);
+
+ if (!(!first_search && pf <= p0 && pf < p1)) {
+ if (p0 < p1) {
+ pf = p0;
+ iq_err = idx0;
+ } else {
+ pf = p1;
+ iq_err = idx1;
+ }
+ }
+
+ bbp = (ch_idx == 0) ? (gop == 0) ? 0x28 : 0x29 :
+ (gop == 0) ? 0x46 : 0x47;
+
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, iq_err);
+
+ if (gop == 0)
+ gerr = iq_err;
+ else
+ perr = iq_err;
+
+ rt2x00_dbg(rt2x00dev, "IQCalibration pf=%8x (%2x, %2x) !\n",
+ pf, gerr & 0x0F, perr & 0x3F);
+ }
+ }
+
+ if (bidx > 0)
+ ibit = (ibit >> 1);
+ }
+ gerr = (gerr & 0x08) ? (gerr & 0x0F) - 0x10 : (gerr & 0x0F);
+ perr = (perr & 0x20) ? (perr & 0x3F) - 0x40 : (perr & 0x3F);
+
+ gerr = (gerr < -0x07) ? -0x07 : (gerr > 0x05) ? 0x05 : gerr;
+ gsta = gerr - 1;
+ gend = gerr + 2;
+
+ perr = (perr < -0x1f) ? -0x1f : (perr > 0x1d) ? 0x1d : perr;
+ psta = perr - 1;
+ pend = perr + 2;
+
+ for (gef = gsta; gef <= gend; gef = gef + 1)
+ for (pef = psta; pef <= pend; pef = pef + 1) {
+ bbp = (ch_idx == 0) ? 0x28 : 0x46;
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, gef & 0x0F);
+
+ bbp = (ch_idx == 0) ? 0x29 : 0x47;
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, pef & 0x3F);
+
+ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 1);
+ if (gef == gsta && pef == psta) {
+ pf = p1;
+ gerr = gef;
+ perr = pef;
+ } else if (pf > p1) {
+ pf = p1;
+ gerr = gef;
+ perr = pef;
+ }
+ rt2x00_dbg(rt2x00dev, "Fine IQCalibration p1=%8x pf=%8x (%2x, %2x) !\n",
+ p1, pf, gef & 0x0F, pef & 0x3F);
+ }
+
+ ges[ch_idx] = gerr & 0x0F;
+ pes[ch_idx] = perr & 0x3F;
+}
+
+static void rt2800_rf_aux_tx0_loopback(struct rt2x00_dev *rt2x00dev)
+{
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x21);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x10);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x1b);
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 0, 0x81);
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 2, 0x81);
+ rt2800_rfcsr_write_bank(rt2x00dev, 4, 34, 0xee);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 3, 0x2d);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 4, 0x2d);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 17, 0x80);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 18, 0xd7);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 19, 0xa2);
+ rt2800_rfcsr_write_bank(rt2x00dev, 5, 20, 0x20);
+}
+
+static void rt2800_rf_aux_tx1_loopback(struct rt2x00_dev *rt2x00dev)
+{
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 1, 0x22);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 2, 0x20);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 35, 0x00);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x4b);
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 0, 0x81);
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 2, 0x81);
+ rt2800_rfcsr_write_bank(rt2x00dev, 6, 34, 0xee);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 3, 0x2d);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 4, 0x2d);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 17, 0x80);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 18, 0xd7);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 19, 0xa2);
+ rt2800_rfcsr_write_bank(rt2x00dev, 7, 20, 0x20);
+}
+
+static void rt2800_loft_iq_calibration(struct rt2x00_dev *rt2x00dev)
+{
+ struct rf_reg_pair rf_store[CHAIN_NUM][13];
+ u32 macorg1 = 0;
+ u32 macorg2 = 0;
+ u32 macorg3 = 0;
+ u32 macorg4 = 0;
+ u32 macorg5 = 0;
+ u32 orig528 = 0;
+ u32 orig52c = 0;
+
+ u32 savemacsysctrl = 0;
+ u32 macvalue = 0;
+ u32 mac13b8 = 0;
+ u32 p0 = 0, p1 = 0;
+ u32 p0_idx10 = 0, p1_idx10 = 0;
+
+ u8 rfvalue;
+ u8 loft_dc_search_result[CHAIN_NUM][RF_ALC_NUM][2];
+ u8 ger[CHAIN_NUM], per[CHAIN_NUM];
+
+ u8 vga_gain[] = {14, 14};
+ u8 bbp = 0, ch_idx = 0, rf_alc_idx = 0, idx = 0;
+ u8 bbpr30, rfb0r39, rfb0r42;
+ u8 bbpr1;
+ u8 bbpr4;
+ u8 bbpr241, bbpr242;
+ u8 count_step;
+
+ static const u8 rf_gain[] = {0x00, 0x01, 0x02, 0x04, 0x08, 0x0c};
+ static const u8 rfvga_gain_table[] = {0x24, 0x25, 0x26, 0x27, 0x28, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
+ 0x31, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3F};
+ static const u8 bbp_2324gain[] = {0x16, 0x14, 0x12, 0x10, 0x0c, 0x08};
+
+ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
+ macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
+ macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
+ macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3);
+ macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3);
+ mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8);
+ orig528 = rt2800_register_read(rt2x00dev, RF_CONTROL2);
+ orig52c = rt2800_register_read(rt2x00dev, RF_BYPASS2);
+
+ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ macvalue &= (~0x04);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX)))
+ rt2x00_warn(rt2x00dev, "RF TX busy in LOFT IQ calibration\n");
+
+ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ macvalue &= (~0x08);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX)))
+ rt2x00_warn(rt2x00dev, "RF RX busy in LOFT IQ calibration\n");
+
+ for (ch_idx = 0; ch_idx < 2; ch_idx++)
+ rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx);
+
+ bbpr30 = rt2800_bbp_read(rt2x00dev, 30);
+ rfb0r39 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 39);
+ rfb0r42 = rt2800_rfcsr_read_bank(rt2x00dev, 0, 42);
+
+ rt2800_bbp_write(rt2x00dev, 30, 0x1F);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, 0x80);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, 0x5B);
+
+ rt2800_bbp_write(rt2x00dev, 23, 0x00);
+ rt2800_bbp_write(rt2x00dev, 24, 0x00);
+
+ rt2800_setbbptonegenerator(rt2x00dev);
+
+ for (ch_idx = 0; ch_idx < 2; ch_idx++) {
+ rt2800_bbp_write(rt2x00dev, 23, 0x00);
+ rt2800_bbp_write(rt2x00dev, 24, 0x00);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00);
+ rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306);
+ rt2800_register_write(rt2x00dev, 0x13b8, 0x10);
+ udelay(1);
+
+ if (ch_idx == 0)
+ rt2800_rf_aux_tx0_loopback(rt2x00dev);
+ else
+ rt2800_rf_aux_tx1_loopback(rt2x00dev);
+
+ udelay(1);
+
+ if (ch_idx == 0)
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004);
+ else
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x05);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x01);
+ if (ch_idx == 0)
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+ else
+ rt2800_bbp_write(rt2x00dev, 159, 0x01);
+
+ vga_gain[ch_idx] = 18;
+ for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) {
+ rt2800_bbp_write(rt2x00dev, 23, bbp_2324gain[rf_alc_idx]);
+ rt2800_bbp_write(rt2x00dev, 24, bbp_2324gain[rf_alc_idx]);
+
+ macvalue = rt2800_register_read(rt2x00dev, RF_CONTROL3);
+ macvalue &= (~0x0000F1F1);
+ macvalue |= (rf_gain[rf_alc_idx] << 4);
+ macvalue |= (rf_gain[rf_alc_idx] << 12);
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, macvalue);
+ macvalue = (0x0000F1F1);
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, macvalue);
+
+ if (rf_alc_idx == 0) {
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x21);
+ for (; vga_gain[ch_idx] > 0;
+ vga_gain[ch_idx] = vga_gain[ch_idx] - 2) {
+ rfvalue = rfvga_gain_table[vga_gain[ch_idx]];
+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue);
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00);
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00);
+ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0);
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x21);
+ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x0A, 0);
+ rt2x00_dbg(rt2x00dev, "LOFT AGC %d %d\n", p0, p1);
+ if ((p0 < 7000 * 7000) && (p1 < (7000 * 7000)))
+ break;
+ }
+
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, 0, 0x00);
+ rt2800_write_dc(rt2x00dev, ch_idx, 0, 1, 0x00);
+
+ rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n", vga_gain[ch_idx],
+ rfvga_gain_table[vga_gain[ch_idx]]);
+
+ if (vga_gain[ch_idx] < 0)
+ vga_gain[ch_idx] = 0;
+ }
+
+ rfvalue = rfvga_gain_table[vga_gain[ch_idx]];
+
+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue);
+
+ rt2800_loft_search(rt2x00dev, ch_idx, rf_alc_idx, loft_dc_search_result);
+ }
+ }
+
+ for (rf_alc_idx = 0; rf_alc_idx < 3; rf_alc_idx++) {
+ for (idx = 0; idx < 4; idx++) {
+ rt2800_bbp_write(rt2x00dev, 158, 0xB0);
+ bbp = (idx << 2) + rf_alc_idx;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+ rt2x00_dbg(rt2x00dev, " ALC %2x,", bbp);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xb1);
+ bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x00];
+ bbp = bbp & 0x3F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+ rt2x00_dbg(rt2x00dev, " I0 %2x,", bbp);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xb2);
+ bbp = loft_dc_search_result[CHAIN_0][rf_alc_idx][0x01];
+ bbp = bbp & 0x3F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+ rt2x00_dbg(rt2x00dev, " Q0 %2x,", bbp);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xb8);
+ bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x00];
+ bbp = bbp & 0x3F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+ rt2x00_dbg(rt2x00dev, " I1 %2x,", bbp);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0xb9);
+ bbp = loft_dc_search_result[CHAIN_1][rf_alc_idx][0x01];
+ bbp = bbp & 0x3F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+ rt2x00_dbg(rt2x00dev, " Q1 %2x\n", bbp);
+ }
+ }
+
+ rt2800_bbp_write(rt2x00dev, 23, 0x00);
+ rt2800_bbp_write(rt2x00dev, 24, 0x00);
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x00);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+
+ bbp = 0x00;
+ rt2800_bbp_write(rt2x00dev, 244, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 21, 0x01);
+ udelay(1);
+ rt2800_bbp_write(rt2x00dev, 21, 0x00);
+
+ rt2800_rf_configrecover(rt2x00dev, rf_store);
+
+ rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2);
+ udelay(1);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3);
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4);
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl);
+ rt2800_register_write(rt2x00dev, RF_CONTROL2, orig528);
+ rt2800_register_write(rt2x00dev, RF_BYPASS2, orig52c);
+ rt2800_register_write(rt2x00dev, 0x13b8, mac13b8);
+
+ savemacsysctrl = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ macorg1 = rt2800_register_read(rt2x00dev, TX_PIN_CFG);
+ macorg2 = rt2800_register_read(rt2x00dev, RF_CONTROL0);
+ macorg3 = rt2800_register_read(rt2x00dev, RF_BYPASS0);
+ macorg4 = rt2800_register_read(rt2x00dev, RF_CONTROL3);
+ macorg5 = rt2800_register_read(rt2x00dev, RF_BYPASS3);
+
+ bbpr1 = rt2800_bbp_read(rt2x00dev, 1);
+ bbpr4 = rt2800_bbp_read(rt2x00dev, 4);
+ bbpr241 = rt2800_bbp_read(rt2x00dev, 241);
+ bbpr242 = rt2800_bbp_read(rt2x00dev, 242);
+ mac13b8 = rt2800_register_read(rt2x00dev, 0x13b8);
+
+ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ macvalue &= (~0x04);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_TX)))
+ rt2x00_warn(rt2x00dev, "RF TX busy in LOFT IQ calibration\n");
+
+ macvalue = rt2800_register_read(rt2x00dev, MAC_SYS_CTRL);
+ macvalue &= (~0x08);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, macvalue);
+
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY_RX)))
+ rt2x00_warn(rt2x00dev, "RF RX busy in LOFT IQ calibration\n");
+
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000101);
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1);
+ }
+
+ rt2800_bbp_write(rt2x00dev, 23, 0x00);
+ rt2800_bbp_write(rt2x00dev, 24, 0x00);
+
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ rt2800_bbp_write(rt2x00dev, 4, bbpr4 & (~0x18));
+ rt2800_bbp_write(rt2x00dev, 21, 0x01);
+ udelay(1);
+ rt2800_bbp_write(rt2x00dev, 21, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 241, 0x14);
+ rt2800_bbp_write(rt2x00dev, 242, 0x80);
+ rt2800_bbp_write(rt2x00dev, 244, 0x31);
+ } else {
+ rt2800_setbbptonegenerator(rt2x00dev);
+ }
+
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00000004);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00003306);
+ udelay(1);
+
+ rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0x0000000F);
+
+ if (!test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, 0x00000000);
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, 0x0000F1F1);
+ }
+
+ rt2800_register_write(rt2x00dev, 0x13b8, 0x00000010);
+
+ for (ch_idx = 0; ch_idx < 2; ch_idx++)
+ rt2800_rf_configstore(rt2x00dev, rf_store, ch_idx);
+
+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, 0x3B);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, 0x3B);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x03);
+ rt2800_bbp_write(rt2x00dev, 159, 0x60);
+ rt2800_bbp_write(rt2x00dev, 158, 0xB0);
+ rt2800_bbp_write(rt2x00dev, 159, 0x80);
+
+ for (ch_idx = 0; ch_idx < 2; ch_idx++) {
+ rt2800_bbp_write(rt2x00dev, 23, 0x00);
+ rt2800_bbp_write(rt2x00dev, 24, 0x00);
+
+ if (ch_idx == 0) {
+ rt2800_bbp_write(rt2x00dev, 158, 0x01);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ bbp = bbpr1 & (~0x18);
+ bbp = bbp | 0x00;
+ rt2800_bbp_write(rt2x00dev, 1, bbp);
+ }
+ rt2800_rf_aux_tx0_loopback(rt2x00dev);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00001004);
+ } else {
+ rt2800_bbp_write(rt2x00dev, 158, 0x01);
+ rt2800_bbp_write(rt2x00dev, 159, 0x01);
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags)) {
+ bbp = bbpr1 & (~0x18);
+ bbp = bbp | 0x08;
+ rt2800_bbp_write(rt2x00dev, 1, bbp);
+ }
+ rt2800_rf_aux_tx1_loopback(rt2x00dev);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00002004);
+ }
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x05);
+ rt2800_bbp_write(rt2x00dev, 159, 0x04);
+
+ bbp = (ch_idx == 0) ? 0x28 : 0x46;
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ rt2800_bbp_write(rt2x00dev, 23, 0x06);
+ rt2800_bbp_write(rt2x00dev, 24, 0x06);
+ count_step = 1;
+ } else {
+ rt2800_bbp_write(rt2x00dev, 23, 0x1F);
+ rt2800_bbp_write(rt2x00dev, 24, 0x1F);
+ count_step = 2;
+ }
+
+ for (; vga_gain[ch_idx] < 19; vga_gain[ch_idx] = (vga_gain[ch_idx] + count_step)) {
+ rfvalue = rfvga_gain_table[vga_gain[ch_idx]];
+ rt2800_rfcsr_write_dccal(rt2x00dev, 3, rfvalue);
+ rt2800_rfcsr_write_dccal(rt2x00dev, 4, rfvalue);
+
+ bbp = (ch_idx == 0) ? 0x29 : 0x47;
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+ p0 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0);
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags))
+ p0_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A);
+
+ bbp = (ch_idx == 0) ? 0x29 : 0x47;
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, 0x21);
+ p1 = rt2800_do_fft_accumulation(rt2x00dev, 0x14, 0);
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX1, &rt2x00dev->cap_flags))
+ p1_idx10 = rt2800_read_fft_accumulation(rt2x00dev, 0x0A);
+
+ rt2x00_dbg(rt2x00dev, "IQ AGC %d %d\n", p0, p1);
+
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ rt2x00_dbg(rt2x00dev, "IQ AGC IDX 10 %d %d\n", p0_idx10, p1_idx10);
+ if ((p0_idx10 > 7000 * 7000) || (p1_idx10 > 7000 * 7000)) {
+ if (vga_gain[ch_idx] != 0)
+ vga_gain[ch_idx] = vga_gain[ch_idx] - 1;
+ break;
+ }
+ }
+
+ if ((p0 > 2500 * 2500) || (p1 > 2500 * 2500))
+ break;
+ }
+
+ if (vga_gain[ch_idx] > 18)
+ vga_gain[ch_idx] = 18;
+ rt2x00_dbg(rt2x00dev, "Used VGA %d %x\n", vga_gain[ch_idx],
+ rfvga_gain_table[vga_gain[ch_idx]]);
+
+ bbp = (ch_idx == 0) ? 0x29 : 0x47;
+ rt2800_bbp_write(rt2x00dev, 158, bbp);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+
+ rt2800_iq_search(rt2x00dev, ch_idx, ger, per);
+ }
+
+ rt2800_bbp_write(rt2x00dev, 23, 0x00);
+ rt2800_bbp_write(rt2x00dev, 24, 0x00);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x04);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x28);
+ bbp = ger[CHAIN_0] & 0x0F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x29);
+ bbp = per[CHAIN_0] & 0x3F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x46);
+ bbp = ger[CHAIN_1] & 0x0F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x47);
+ bbp = per[CHAIN_1] & 0x3F;
+ rt2800_bbp_write(rt2x00dev, 159, bbp);
+
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags)) {
+ rt2800_bbp_write(rt2x00dev, 1, bbpr1);
+ rt2800_bbp_write(rt2x00dev, 241, bbpr241);
+ rt2800_bbp_write(rt2x00dev, 242, bbpr242);
+ }
+ rt2800_bbp_write(rt2x00dev, 244, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 158, 0x00);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+ rt2800_bbp_write(rt2x00dev, 158, 0xB0);
+ rt2800_bbp_write(rt2x00dev, 159, 0x00);
+
+ rt2800_bbp_write(rt2x00dev, 30, bbpr30);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 39, rfb0r39);
+ rt2800_rfcsr_write_bank(rt2x00dev, 0, 42, rfb0r42);
+
+ if (test_bit(CAPABILITY_EXTERNAL_PA_TX0, &rt2x00dev->cap_flags))
+ rt2800_bbp_write(rt2x00dev, 4, bbpr4);
+
+ rt2800_bbp_write(rt2x00dev, 21, 0x01);
+ udelay(1);
+ rt2800_bbp_write(rt2x00dev, 21, 0x00);
+
+ rt2800_rf_configrecover(rt2x00dev, rf_store);
+
+ rt2800_register_write(rt2x00dev, TX_PIN_CFG, macorg1);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, 0x00);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, 0x00);
+ rt2800_register_write(rt2x00dev, RF_CONTROL0, macorg2);
+ udelay(1);
+ rt2800_register_write(rt2x00dev, RF_BYPASS0, macorg3);
+ rt2800_register_write(rt2x00dev, RF_CONTROL3, macorg4);
+ rt2800_register_write(rt2x00dev, RF_BYPASS3, macorg5);
+ rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, savemacsysctrl);
+ rt2800_register_write(rt2x00dev, 0x13b8, mac13b8);
+}
+
static void rt2800_bbp_core_soft_reset(struct rt2x00_dev *rt2x00dev,
bool set_bw, bool is_ht40)
{
@@ -8466,11 +10043,11 @@ static int rt2800_rf_lp_config(struct rt2x00_dev *rt2x00dev, bool btxcal)
return 0;
}
-static char rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev)
+static s8 rt2800_lp_tx_filter_bw_cal(struct rt2x00_dev *rt2x00dev)
{
unsigned int cnt;
u8 bbp_val;
- char cal_val;
+ s8 cal_val;
rt2800_bbp_dcoc_write(rt2x00dev, 0, 0x82);
@@ -8502,7 +10079,7 @@ static void rt2800_bw_filter_calibration(struct rt2x00_dev *rt2x00dev,
u8 rx_filter_target_20m = 0x27, rx_filter_target_40m = 0x31;
int loop = 0, is_ht40, cnt;
u8 bbp_val, rf_val;
- char cal_r32_init, cal_r32_val, cal_diff;
+ s8 cal_r32_init, cal_r32_val, cal_diff;
u8 saverfb5r00, saverfb5r01, saverfb5r03, saverfb5r04, saverfb5r05;
u8 saverfb5r06, saverfb5r07;
u8 saverfb5r08, saverfb5r17, saverfb5r18, saverfb5r19, saverfb5r20;
@@ -9005,8 +10582,13 @@ static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_write_dccal(rt2x00dev, 5, 0x00);
rt2800_rfcsr_write_dccal(rt2x00dev, 17, 0x7C);
+ rt2800_r_calibration(rt2x00dev);
+ rt2800_rf_self_txdc_cal(rt2x00dev);
+ rt2800_rxdcoc_calibration(rt2x00dev);
rt2800_bw_filter_calibration(rt2x00dev, true);
rt2800_bw_filter_calibration(rt2x00dev, false);
+ rt2800_loft_iq_calibration(rt2x00dev);
+ rt2800_rxiq_calibration(rt2x00dev);
}
static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
@@ -9073,7 +10655,7 @@ int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
/*
* Wait BBP/RF to wake up.
*/
- if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev)))
+ if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev, MAC_STATUS_CFG_BBP_RF_BUSY)))
return -EIO;
/*
@@ -9435,6 +11017,8 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
rf = RF3853;
else if (rt2x00_rt(rt2x00dev, RT5350))
rf = RF5350;
+ else if (rt2x00_rt(rt2x00dev, RT5592))
+ rf = RF5592;
else
rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
@@ -9564,7 +11148,8 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
*/
eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1);
- if (rt2x00_rt(rt2x00dev, RT3352)) {
+ if (rt2x00_rt(rt2x00dev, RT3352) ||
+ rt2x00_rt(rt2x00dev, RT6352)) {
if (rt2x00_get_field16(eeprom,
EEPROM_NIC_CONF1_EXTERNAL_TX0_PA_3352))
__set_bit(CAPABILITY_EXTERNAL_PA_TX0,
@@ -9575,6 +11160,18 @@ static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
&rt2x00dev->cap_flags);
}
+ eeprom = rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF2);
+
+ if (rt2x00_rt(rt2x00dev, RT6352) && eeprom != 0 && eeprom != 0xffff) {
+ if (!rt2x00_get_field16(eeprom,
+ EEPROM_NIC_CONF2_EXTERNAL_PA)) {
+ __clear_bit(CAPABILITY_EXTERNAL_PA_TX0,
+ &rt2x00dev->cap_flags);
+ __clear_bit(CAPABILITY_EXTERNAL_PA_TX1,
+ &rt2x00dev->cap_flags);
+ }
+ }
+
return 0;
}
@@ -9953,9 +11550,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
{
struct hw_mode_spec *spec = &rt2x00dev->spec;
struct channel_info *info;
- char *default_power1;
- char *default_power2;
- char *default_power3;
+ s8 *default_power1;
+ s8 *default_power2;
+ s8 *default_power3;
unsigned int i, tx_chains, rx_chains;
u32 reg;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.