Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

9 files changed, 396 insertions, 105 deletions

diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig
index b2f8b8fd4d2d..a0a7854facc0 100644
--- a/drivers/net/wireless/rt2x00/Kconfig
+++ b/drivers/net/wireless/rt2x00/Kconfig
@@ -83,14 +83,12 @@ config RT2800PCI_RT33XX
 config RT2800PCI_RT35XX
 	bool "rt2800pci - Include support for rt35xx devices (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
-	default n
+	default y
 	---help---
 	  This adds support for rt35xx wireless chipset family to the
 	  rt2800pci driver.
 	  Supported chips: RT3060, RT3062, RT3562, RT3592
 
-	  Support for these devices is non-functional at the moment and is
-	  intended for testers and developers.
 
 config RT2800PCI_RT53XX
        bool "rt2800pci - Include support for rt53xx devices (EXPERIMENTAL)"
@@ -154,15 +152,12 @@ config RT2800USB_RT33XX
 config RT2800USB_RT35XX
 	bool "rt2800usb - Include support for rt35xx devices (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
-	default n
+	default y
 	---help---
 	  This adds support for rt35xx wireless chipset family to the
 	  rt2800usb driver.
 	  Supported chips: RT3572
 
-	  Support for these devices is non-functional at the moment and is
-	  intended for testers and developers.
-
 config RT2800USB_RT53XX
        bool "rt2800usb - Include support for rt53xx devices (EXPERIMENTAL)"
        depends on EXPERIMENTAL
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index f67bc9b31b28..c69a7d71f4ca 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -1740,6 +1740,7 @@ struct mac_iveiv_entry {
 /*
  * BBP 3: RX Antenna
  */
+#define BBP3_RX_ADC				FIELD8(0x03)
 #define BBP3_RX_ANTENNA			FIELD8(0x18)
 #define BBP3_HT40_MINUS			FIELD8(0x20)
 
@@ -1783,6 +1784,8 @@ struct mac_iveiv_entry {
 #define RFCSR1_TX0_PD			FIELD8(0x08)
 #define RFCSR1_RX1_PD			FIELD8(0x10)
 #define RFCSR1_TX1_PD			FIELD8(0x20)
+#define RFCSR1_RX2_PD			FIELD8(0x40)
+#define RFCSR1_TX2_PD			FIELD8(0x80)
 
 /*
  * RFCSR 2:
@@ -1790,15 +1793,25 @@ struct mac_iveiv_entry {
 #define RFCSR2_RESCAL_EN		FIELD8(0x80)
 
 /*
+ * FRCSR 5:
+ */
+#define RFCSR5_R1			FIELD8(0x0c)
+
+/*
  * RFCSR 6:
  */
 #define RFCSR6_R1			FIELD8(0x03)
 #define RFCSR6_R2			FIELD8(0x40)
+#define RFCSR6_TXDIV		FIELD8(0x0c)
 
 /*
  * RFCSR 7:
  */
 #define RFCSR7_RF_TUNING		FIELD8(0x01)
+#define RFCSR7_R02				FIELD8(0x07)
+#define RFCSR7_R3				FIELD8(0x08)
+#define RFCSR7_R45				FIELD8(0x30)
+#define RFCSR7_R67				FIELD8(0xc0)
 
 /*
  * RFCSR 11:
@@ -1809,11 +1822,13 @@ struct mac_iveiv_entry {
  * RFCSR 12:
  */
 #define RFCSR12_TX_POWER		FIELD8(0x1f)
+#define RFCSR12_DR0				FIELD8(0xe0)
 
 /*
  * RFCSR 13:
  */
 #define RFCSR13_TX_POWER		FIELD8(0x1f)
+#define RFCSR13_DR0				FIELD8(0xe0)
 
 /*
  * RFCSR 15:
@@ -2256,6 +2271,7 @@ struct mac_iveiv_entry {
 #define MCU_ANT_SELECT			0X73
 #define MCU_BBP_SIGNAL			0x80
 #define MCU_POWER_SAVE			0x83
+#define MCU_BAND_SELECT		0x91
 
 /*
  * MCU mailbox tokens
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 8f92dfcb08df..84ab7d1acb6a 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -401,7 +401,8 @@ int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
 		return -EBUSY;
 
 	if (rt2x00_is_pci(rt2x00dev)) {
-		if (rt2x00_rt(rt2x00dev, RT5390)) {
+		if (rt2x00_rt(rt2x00dev, RT3572) ||
+		    rt2x00_rt(rt2x00dev, RT5390)) {
 			rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
 			rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
 			rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
@@ -600,49 +601,6 @@ void rt2800_process_rxwi(struct queue_entry *entry,
 }
 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
 
-static bool rt2800_txdone_entry_check(struct queue_entry *entry, u32 reg)
-{
-	__le32 *txwi;
-	u32 word;
-	int wcid, ack, pid;
-	int tx_wcid, tx_ack, tx_pid;
-
-	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
-	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
-	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
-
-	/*
-	 * This frames has returned with an IO error,
-	 * so the status report is not intended for this
-	 * frame.
-	 */
-	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
-		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
-		return false;
-	}
-
-	/*
-	 * Validate if this TX status report is intended for
-	 * this entry by comparing the WCID/ACK/PID fields.
-	 */
-	txwi = rt2800_drv_get_txwi(entry);
-
-	rt2x00_desc_read(txwi, 1, &word);
-	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
-	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
-	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
-
-	if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
-		WARNING(entry->queue->rt2x00dev,
-			"TX status report missed for queue %d entry %d\n",
-		entry->queue->qid, entry->entry_idx);
-		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
-		return false;
-	}
-
-	return true;
-}
-
 void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
@@ -725,45 +683,6 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
 }
 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
 
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev)
-{
-	struct data_queue *queue;
-	struct queue_entry *entry;
-	u32 reg;
-	u8 qid;
-
-	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
-
-		/* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
-		 * qid is guaranteed to be one of the TX QIDs
-		 */
-		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
-		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
-		if (unlikely(!queue)) {
-			WARNING(rt2x00dev, "Got TX status for an unavailable "
-					   "queue %u, dropping\n", qid);
-			continue;
-		}
-
-		/*
-		 * Inside each queue, we process each entry in a chronological
-		 * order. We first check that the queue is not empty.
-		 */
-		entry = NULL;
-		while (!rt2x00queue_empty(queue)) {
-			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
-			if (rt2800_txdone_entry_check(entry, reg))
-				break;
-		}
-
-		if (!entry || rt2x00queue_empty(queue))
-			break;
-
-		rt2800_txdone_entry(entry, reg);
-	}
-}
-EXPORT_SYMBOL_GPL(rt2800_txdone);
-
 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
@@ -1433,6 +1352,40 @@ void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
 }
 EXPORT_SYMBOL_GPL(rt2800_config_erp);
 
+static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
+{
+	u32 reg;
+	u16 eeprom;
+	u8 led_ctrl, led_g_mode, led_r_mode;
+
+	rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
+	if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
+		rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
+		rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
+	} else {
+		rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
+		rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
+	}
+	rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
+
+	rt2800_register_read(rt2x00dev, LED_CFG, &reg);
+	led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
+	led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
+	if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
+	    led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
+		rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
+		led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
+		if (led_ctrl == 0 || led_ctrl > 0x40) {
+			rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
+			rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
+			rt2800_register_write(rt2x00dev, LED_CFG, reg);
+		} else {
+			rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
+					   (led_g_mode << 2) | led_r_mode, 1);
+		}
+	}
+}
+
 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
 				     enum antenna ant)
 {
@@ -1463,6 +1416,10 @@ void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
 	rt2800_bbp_read(rt2x00dev, 1, &r1);
 	rt2800_bbp_read(rt2x00dev, 3, &r3);
 
+	if (rt2x00_rt(rt2x00dev, RT3572) &&
+	    test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
+		rt2800_config_3572bt_ant(rt2x00dev);
+
 	/*
 	 * Configure the TX antenna.
 	 */
@@ -1471,7 +1428,11 @@ void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
 		break;
 	case 2:
-		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
+		if (rt2x00_rt(rt2x00dev, RT3572) &&
+		    test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
+			rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
+		else
+			rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
 		break;
 	case 3:
 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
@@ -1496,7 +1457,15 @@ void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
 		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
 		break;
 	case 2:
-		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
+		if (rt2x00_rt(rt2x00dev, RT3572) &&
+		    test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
+			rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
+			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
+				rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
+			rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
+		} else {
+			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
+		}
 		break;
 	case 3:
 		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
@@ -1630,6 +1599,161 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
 	rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
 }
 
+static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
+					 struct ieee80211_conf *conf,
+					 struct rf_channel *rf,
+					 struct channel_info *info)
+{
+	u8 rfcsr;
+	u32 reg;
+
+	if (rf->channel <= 14) {
+		rt2800_bbp_write(rt2x00dev, 25, 0x15);
+		rt2800_bbp_write(rt2x00dev, 26, 0x85);
+	} else {
+		rt2800_bbp_write(rt2x00dev, 25, 0x09);
+		rt2800_bbp_write(rt2x00dev, 26, 0xff);
+	}
+
+	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
+	rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
+
+	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
+	if (rf->channel <= 14)
+		rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
+	else
+		rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
+	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+	rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
+	if (rf->channel <= 14)
+		rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
+	else
+		rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
+	rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
+
+	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
+	if (rf->channel <= 14) {
+		rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
+		rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
+				(info->default_power1 & 0x3) |
+				((info->default_power1 & 0xC) << 1));
+	} else {
+		rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
+		rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
+				(info->default_power1 & 0x3) |
+				((info->default_power1 & 0xC) << 1));
+	}
+	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
+
+	rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
+	if (rf->channel <= 14) {
+		rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
+		rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
+				(info->default_power2 & 0x3) |
+				((info->default_power2 & 0xC) << 1));
+	} else {
+		rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
+		rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
+				(info->default_power2 & 0x3) |
+				((info->default_power2 & 0xC) << 1));
+	}
+	rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
+
+	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, 0);
+	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
+	if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
+		if (rf->channel <= 14) {
+			rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
+			rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
+		}
+		rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
+		rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
+	} else {
+		switch (rt2x00dev->default_ant.tx_chain_num) {
+		case 1:
+			rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
+		case 2:
+			rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
+			break;
+		}
+
+		switch (rt2x00dev->default_ant.rx_chain_num) {
+		case 1:
+			rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
+		case 2:
+			rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
+			break;
+		}
+	}
+	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
+
+	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
+	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
+
+	rt2800_rfcsr_write(rt2x00dev, 24,
+			      rt2x00dev->calibration[conf_is_ht40(conf)]);
+	rt2800_rfcsr_write(rt2x00dev, 31,
+			      rt2x00dev->calibration[conf_is_ht40(conf)]);
+
+	if (rf->channel <= 14) {
+		rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
+		rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
+		rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
+		rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
+		rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
+		rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
+		rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
+		rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
+		rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
+	} else {
+		rt2800_rfcsr_write(rt2x00dev, 7, 0x14);
+		rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
+		rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
+		rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0x7a);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
+		if (rf->channel <= 64) {
+			rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
+			rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
+			rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
+		} else if (rf->channel <= 128) {
+			rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
+			rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
+			rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+		} else {
+			rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
+			rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
+			rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
+		}
+		rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
+	}
+
+	rt2800_register_read(rt2x00dev, GPIO_CTRL_CFG, &reg);
+	rt2x00_set_field32(&reg, GPIO_CTRL_CFG_GPIOD_BIT7, 0);
+	if (rf->channel <= 14)
+		rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 1);
+	else
+		rt2x00_set_field32(&reg, GPIO_CTRL_CFG_BIT7, 0);
+	rt2800_register_write(rt2x00dev, GPIO_CTRL_CFG, reg);
+
+	rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
+	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
+	rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
+}
 
 #define RT5390_POWER_BOUND     0x27
 #define RT5390_FREQ_OFFSET_BOUND       0x5f
@@ -1748,9 +1872,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	    rt2x00_rf(rt2x00dev, RF3020) ||
 	    rt2x00_rf(rt2x00dev, RF3021) ||
 	    rt2x00_rf(rt2x00dev, RF3022) ||
-	    rt2x00_rf(rt2x00dev, RF3052) ||
 	    rt2x00_rf(rt2x00dev, RF3320))
 		rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
+	else if (rt2x00_rf(rt2x00dev, RF3052))
+		rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
 	else if (rt2x00_rf(rt2x00dev, RF5370) ||
 		 rt2x00_rf(rt2x00dev, RF5390))
 		rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
@@ -1777,7 +1902,10 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 			}
 		}
 	} else {
-		rt2800_bbp_write(rt2x00dev, 82, 0xf2);
+		if (rt2x00_rt(rt2x00dev, RT3572))
+			rt2800_bbp_write(rt2x00dev, 82, 0x94);
+		else
+			rt2800_bbp_write(rt2x00dev, 82, 0xf2);
 
 		if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
 			rt2800_bbp_write(rt2x00dev, 75, 0x46);
@@ -1791,12 +1919,17 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
 	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
 
+	if (rt2x00_rt(rt2x00dev, RT3572))
+		rt2800_rfcsr_write(rt2x00dev, 8, 0);
+
 	tx_pin = 0;
 
 	/* Turn on unused PA or LNA when not using 1T or 1R */
 	if (rt2x00dev->default_ant.tx_chain_num == 2) {
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
-		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
+				   rf->channel > 14);
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
+				   rf->channel <= 14);
 	}
 
 	/* Turn on unused PA or LNA when not using 1T or 1R */
@@ -1809,11 +1942,18 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
 	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_PA_PE_G0_EN, rf->channel <= 14);
+	if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
+	else
+		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
+				   rf->channel <= 14);
 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, rf->channel > 14);
 
 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
 
+	if (rt2x00_rt(rt2x00dev, RT3572))
+		rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
+
 	rt2800_bbp_read(rt2x00dev, 4, &bbp);
 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
 	rt2800_bbp_write(rt2x00dev, 4, bbp);
@@ -2413,6 +2553,9 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
+	} else if (rt2x00_rt(rt2x00dev, RT3572)) {
+		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
+		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
 	} else if (rt2x00_rt(rt2x00dev, RT5390)) {
 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
@@ -2799,6 +2942,7 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 	}
 
 	if (rt2800_is_305x_soc(rt2x00dev) ||
+	    rt2x00_rt(rt2x00dev, RT3572) ||
 	    rt2x00_rt(rt2x00dev, RT5390))
 		rt2800_bbp_write(rt2x00dev, 31, 0x08);
 
@@ -2828,6 +2972,7 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 	    rt2x00_rt(rt2x00dev, RT3071) ||
 	    rt2x00_rt(rt2x00dev, RT3090) ||
 	    rt2x00_rt(rt2x00dev, RT3390) ||
+	    rt2x00_rt(rt2x00dev, RT3572) ||
 	    rt2x00_rt(rt2x00dev, RT5390)) {
 		rt2800_bbp_write(rt2x00dev, 79, 0x13);
 		rt2800_bbp_write(rt2x00dev, 80, 0x05);
@@ -2868,6 +3013,7 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 	    rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
 	    rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E) ||
 	    rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E) ||
+	    rt2x00_rt(rt2x00dev, RT3572) ||
 	    rt2x00_rt(rt2x00dev, RT5390) ||
 	    rt2800_is_305x_soc(rt2x00dev))
 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
@@ -2895,6 +3041,7 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
 	if (rt2x00_rt(rt2x00dev, RT3071) ||
 	    rt2x00_rt(rt2x00dev, RT3090) ||
 	    rt2x00_rt(rt2x00dev, RT3390) ||
+	    rt2x00_rt(rt2x00dev, RT3572) ||
 	    rt2x00_rt(rt2x00dev, RT5390)) {
 		rt2800_bbp_read(rt2x00dev, 138, &value);
 
@@ -3031,6 +3178,7 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 	    !rt2x00_rt(rt2x00dev, RT3071) &&
 	    !rt2x00_rt(rt2x00dev, RT3090) &&
 	    !rt2x00_rt(rt2x00dev, RT3390) &&
+	    !rt2x00_rt(rt2x00dev, RT3572) &&
 	    !rt2x00_rt(rt2x00dev, RT5390) &&
 	    !rt2800_is_305x_soc(rt2x00dev))
 		return 0;
@@ -3109,6 +3257,38 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 		rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
 		rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
 		rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
+	} else if (rt2x00_rt(rt2x00dev, RT3572)) {
+		rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
+		rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
+		rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
+		rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
+		rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
+		rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
+		rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
+		rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
+		rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
+		rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
+		rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
+		rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
+		rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
+		rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
+		rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
+		rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
+		rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
+		rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
+		rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
+		rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
+		rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
+		rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
+		rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
+		rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
+		rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
+		rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
+		rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
+		rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
+		rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
 	} else if (rt2800_is_305x_soc(rt2x00dev)) {
 		rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
 		rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
@@ -3258,6 +3438,19 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 		rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
 		rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
 		rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
+	} else if (rt2x00_rt(rt2x00dev, RT3572)) {
+		rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
+		rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
+		rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
+
+		rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
+		rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
+		rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
+		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
+		msleep(1);
+		rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
+		rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
+		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
 	}
 
 	/*
@@ -3270,7 +3463,8 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
 			rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x19);
 	} else if (rt2x00_rt(rt2x00dev, RT3071) ||
 		   rt2x00_rt(rt2x00dev, RT3090) ||
-		   rt2x00_rt(rt2x00dev, RT3390)) {
+		   rt2x00_rt(rt2x00dev, RT3390) ||
+		   rt2x00_rt(rt2x00dev, RT3572)) {
 		rt2x00dev->calibration[0] =
 			rt2800_init_rx_filter(rt2x00dev, false, 0x07, 0x13);
 		rt2x00dev->calibration[1] =
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index f2d15941c71a..69deb3148ae7 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -152,7 +152,6 @@ void rt2800_write_tx_data(struct queue_entry *entry,
 			  struct txentry_desc *txdesc);
 void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *txdesc);
 
-void rt2800_txdone(struct rt2x00_dev *rt2x00dev);
 void rt2800_txdone_entry(struct queue_entry *entry, u32 status);
 
 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc);
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 3ac0943b9789..9ccc53733bae 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -501,7 +501,9 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
 	rt2x00pci_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
 
-	if (rt2x00_rt(rt2x00dev, RT5390)) {
+	if (rt2x00_is_pcie(rt2x00dev) &&
+	    (rt2x00_rt(rt2x00dev, RT3572) ||
+	     rt2x00_rt(rt2x00dev, RT5390))) {
 		rt2x00pci_register_read(rt2x00dev, AUX_CTRL, &reg);
 		rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
 		rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index ba82c972703a..6e9229830a29 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -457,6 +457,87 @@ static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
 /*
  * TX control handlers
  */
+static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
+{
+	__le32 *txwi;
+	u32 word;
+	int wcid, ack, pid;
+	int tx_wcid, tx_ack, tx_pid;
+
+	wcid	= rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
+	ack	= rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
+	pid	= rt2x00_get_field32(reg, TX_STA_FIFO_PID_TYPE);
+
+	/*
+	 * This frames has returned with an IO error,
+	 * so the status report is not intended for this
+	 * frame.
+	 */
+	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags)) {
+		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
+		return false;
+	}
+
+	/*
+	 * Validate if this TX status report is intended for
+	 * this entry by comparing the WCID/ACK/PID fields.
+	 */
+	txwi = rt2800usb_get_txwi(entry);
+
+	rt2x00_desc_read(txwi, 1, &word);
+	tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
+	tx_ack  = rt2x00_get_field32(word, TXWI_W1_ACK);
+	tx_pid  = rt2x00_get_field32(word, TXWI_W1_PACKETID);
+
+	if ((wcid != tx_wcid) || (ack != tx_ack) || (pid != tx_pid)) {
+		WARNING(entry->queue->rt2x00dev,
+			"TX status report missed for queue %d entry %d\n",
+		entry->queue->qid, entry->entry_idx);
+		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
+		return false;
+	}
+
+	return true;
+}
+
+static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
+{
+	struct data_queue *queue;
+	struct queue_entry *entry;
+	u32 reg;
+	u8 qid;
+
+	while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
+
+		/* TX_STA_FIFO_PID_QUEUE is a 2-bit field, thus
+		 * qid is guaranteed to be one of the TX QIDs
+		 */
+		qid = rt2x00_get_field32(reg, TX_STA_FIFO_PID_QUEUE);
+		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
+		if (unlikely(!queue)) {
+			WARNING(rt2x00dev, "Got TX status for an unavailable "
+					   "queue %u, dropping\n", qid);
+			continue;
+		}
+
+		/*
+		 * Inside each queue, we process each entry in a chronological
+		 * order. We first check that the queue is not empty.
+		 */
+		entry = NULL;
+		while (!rt2x00queue_empty(queue)) {
+			entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
+			if (rt2800usb_txdone_entry_check(entry, reg))
+				break;
+		}
+
+		if (!entry || rt2x00queue_empty(queue))
+			break;
+
+		rt2800_txdone_entry(entry, reg);
+	}
+}
+
 static void rt2800usb_work_txdone(struct work_struct *work)
 {
 	struct rt2x00_dev *rt2x00dev =
@@ -464,7 +545,7 @@ static void rt2800usb_work_txdone(struct work_struct *work)
 	struct data_queue *queue;
 	struct queue_entry *entry;
 
-	rt2800_txdone(rt2x00dev);
+	rt2800usb_txdone(rt2x00dev);
 
 	/*
 	 * Process any trailing TX status reports for IO failures,
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 555180d8f4aa..b704e5b183d0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -250,7 +250,8 @@ void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
 	if (ieee80211_flags & IEEE80211_CONF_CHANGE_CHANNEL)
 		rt2x00link_reset_tuner(rt2x00dev, false);
 
-	if (test_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags) &&
+	if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&
+	    test_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags) &&
 	    (ieee80211_flags & IEEE80211_CONF_CHANGE_PS) &&
 	    (conf->flags & IEEE80211_CONF_PS)) {
 		beacon_diff = (long)jiffies - (long)rt2x00dev->last_beacon;
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index c018d67aab8e..939821b4af2f 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -146,6 +146,9 @@ static void rt2x00lib_autowakeup(struct work_struct *work)
 	struct rt2x00_dev *rt2x00dev =
 	    container_of(work, struct rt2x00_dev, autowakeup_work.work);
 
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
+		return;
+
 	if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
 		ERROR(rt2x00dev, "Device failed to wakeup.\n");
 	clear_bit(CONFIG_POWERSAVING, &rt2x00dev->flags);
@@ -1160,6 +1163,7 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
 	 * Stop all work.
 	 */
 	cancel_work_sync(&rt2x00dev->intf_work);
+	cancel_delayed_work_sync(&rt2x00dev->autowakeup_work);
 	if (rt2x00_is_usb(rt2x00dev)) {
 		del_timer_sync(&rt2x00dev->txstatus_timer);
 		cancel_work_sync(&rt2x00dev->rxdone_work);
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index ab8c16f8bcaf..c7fc9def6bcf 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -206,7 +206,6 @@ static void rt2x00queue_create_tx_descriptor_seq(struct queue_entry *entry,
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data;
 	struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
-	unsigned long irqflags;
 
 	if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
 		return;
@@ -227,14 +226,14 @@ static void rt2x00queue_create_tx_descriptor_seq(struct queue_entry *entry,
 	 * sequence counting per-frame, since those will override the
 	 * sequence counter given by mac80211.
 	 */
-	spin_lock_irqsave(&intf->seqlock, irqflags);
+	spin_lock(&intf->seqlock);
 
 	if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
 		intf->seqno += 0x10;
 	hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
 	hdr->seq_ctrl |= cpu_to_le16(intf->seqno);
 
-	spin_unlock_irqrestore(&intf->seqlock, irqflags);
+	spin_unlock(&intf->seqlock);
 
 }