Merge branch 'origin' into devel

Conflicts:
	sound/soc/pxa/pxa2xx-i2s.c

1 files changed, 69 insertions, 34 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 6a977679124d..0f08773328c6 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2004 - 2008 rt2x00 SourceForge Project
+	Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
 	<http://rt2x00.serialmonkey.com>
 
 	This program is free software; you can redistribute it and/or modify
@@ -114,9 +114,6 @@ static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev,
 {
 	u32 reg;
 
-	if (!word)
-		return;
-
 	mutex_lock(&rt2x00dev->csr_mutex);
 
 	/*
@@ -524,6 +521,32 @@ static void rt2400pci_config_duration(struct rt2x00_dev *rt2x00dev,
 	rt2x00pci_register_write(rt2x00dev, CSR12, reg);
 }
 
+static void rt2400pci_config_ps(struct rt2x00_dev *rt2x00dev,
+				struct rt2x00lib_conf *libconf)
+{
+	enum dev_state state =
+	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
+		STATE_SLEEP : STATE_AWAKE;
+	u32 reg;
+
+	if (state == STATE_SLEEP) {
+		rt2x00pci_register_read(rt2x00dev, CSR20, &reg);
+		rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
+				   (libconf->conf->beacon_int - 20) * 16);
+		rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
+				   libconf->conf->listen_interval - 1);
+
+		/* We must first disable autowake before it can be enabled */
+		rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 0);
+		rt2x00pci_register_write(rt2x00dev, CSR20, reg);
+
+		rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 1);
+		rt2x00pci_register_write(rt2x00dev, CSR20, reg);
+	}
+
+	rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
+}
+
 static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
 			     struct rt2x00lib_conf *libconf,
 			     const unsigned int flags)
@@ -537,6 +560,8 @@ static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
 		rt2400pci_config_retry_limit(rt2x00dev, libconf);
 	if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
 		rt2400pci_config_duration(rt2x00dev, libconf);
+	if (flags & IEEE80211_CONF_CHANGE_PS)
+		rt2400pci_config_ps(rt2x00dev, libconf);
 }
 
 static void rt2400pci_config_cw(struct rt2x00_dev *rt2x00dev,
@@ -572,35 +597,37 @@ static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev,
 	qual->false_cca = bbp;
 }
 
-static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev)
+static inline void rt2400pci_set_vgc(struct rt2x00_dev *rt2x00dev,
+				     struct link_qual *qual, u8 vgc_level)
 {
-	rt2400pci_bbp_write(rt2x00dev, 13, 0x08);
-	rt2x00dev->link.vgc_level = 0x08;
+	rt2400pci_bbp_write(rt2x00dev, 13, vgc_level);
+	qual->vgc_level = vgc_level;
+	qual->vgc_level_reg = vgc_level;
 }
 
-static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev)
+static void rt2400pci_reset_tuner(struct rt2x00_dev *rt2x00dev,
+				  struct link_qual *qual)
 {
-	u8 reg;
+	rt2400pci_set_vgc(rt2x00dev, qual, 0x08);
+}
 
+static void rt2400pci_link_tuner(struct rt2x00_dev *rt2x00dev,
+				 struct link_qual *qual, const u32 count)
+{
 	/*
 	 * The link tuner should not run longer then 60 seconds,
 	 * and should run once every 2 seconds.
 	 */
-	if (rt2x00dev->link.count > 60 || !(rt2x00dev->link.count & 1))
+	if (count > 60 || !(count & 1))
 		return;
 
 	/*
 	 * Base r13 link tuning on the false cca count.
 	 */
-	rt2400pci_bbp_read(rt2x00dev, 13, &reg);
-
-	if (rt2x00dev->link.qual.false_cca > 512 && reg < 0x20) {
-		rt2400pci_bbp_write(rt2x00dev, 13, ++reg);
-		rt2x00dev->link.vgc_level = reg;
-	} else if (rt2x00dev->link.qual.false_cca < 100 && reg > 0x08) {
-		rt2400pci_bbp_write(rt2x00dev, 13, --reg);
-		rt2x00dev->link.vgc_level = reg;
-	}
+	if ((qual->false_cca > 512) && (qual->vgc_level < 0x20))
+		rt2400pci_set_vgc(rt2x00dev, qual, ++qual->vgc_level);
+	else if ((qual->false_cca < 100) && (qual->vgc_level > 0x08))
+		rt2400pci_set_vgc(rt2x00dev, qual, --qual->vgc_level);
 }
 
 /*
@@ -904,21 +931,10 @@ static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 
 static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
-	u32 reg;
-
-	rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
-
-	/*
-	 * Disable synchronisation.
-	 */
-	rt2x00pci_register_write(rt2x00dev, CSR14, 0);
-
 	/*
-	 * Cancel RX and TX.
+	 * Disable power
 	 */
-	rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
-	rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
-	rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+	rt2x00pci_register_write(rt2x00dev, PWRCSR0, 0);
 }
 
 static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
@@ -1115,6 +1131,20 @@ static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 	rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
 }
 
+static void rt2400pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
+				    const enum data_queue_qid qid)
+{
+	u32 reg;
+
+	if (qid == QID_BEACON) {
+		rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+	} else {
+		rt2x00pci_register_read(rt2x00dev, TXCSR0, &reg);
+		rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
+		rt2x00pci_register_write(rt2x00dev, TXCSR0, reg);
+	}
+}
+
 /*
  * RX control handlers
  */
@@ -1365,7 +1395,9 @@ static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
 
 	rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
-	if (value == LED_MODE_TXRX_ACTIVITY)
+	if (value == LED_MODE_TXRX_ACTIVITY ||
+	    value == LED_MODE_DEFAULT ||
+	    value == LED_MODE_ASUS)
 		rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_qual,
 				   LED_TYPE_ACTIVITY);
 #endif /* CONFIG_RT2X00_LIB_LEDS */
@@ -1419,7 +1451,9 @@ static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	 * Initialize all hw fields.
 	 */
 	rt2x00dev->hw->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
-			       IEEE80211_HW_SIGNAL_DBM;
+			       IEEE80211_HW_SIGNAL_DBM |
+			       IEEE80211_HW_SUPPORTS_PS |
+			       IEEE80211_HW_PS_NULLFUNC_STACK;
 	rt2x00dev->hw->extra_tx_headroom = 0;
 
 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
@@ -1572,6 +1606,7 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
 	.write_tx_data		= rt2x00pci_write_tx_data,
 	.write_beacon		= rt2400pci_write_beacon,
 	.kick_tx_queue		= rt2400pci_kick_tx_queue,
+	.kill_tx_queue		= rt2400pci_kill_tx_queue,
 	.fill_rxdone		= rt2400pci_fill_rxdone,
 	.config_filter		= rt2400pci_config_filter,
 	.config_intf		= rt2400pci_config_intf,