1 files changed, 16 insertions, 355 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.c b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
index 8c29ded7d02c..a871d09d598f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.c
@@ -24,8 +24,6 @@
  *
  *****************************************************************************/
 
-#ifdef CONFIG_IWLWIFI_LEDS
-
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -43,388 +41,51 @@
 #include "iwl-3945.h"
 #include "iwl-core.h"
 #include "iwl-dev.h"
+#include "iwl-3945-led.h"
 
-#ifdef CONFIG_IWLWIFI_DEBUG
-static const char *led_type_str[] = {
-	__stringify(IWL_LED_TRG_TX),
-	__stringify(IWL_LED_TRG_RX),
-	__stringify(IWL_LED_TRG_ASSOC),
-	__stringify(IWL_LED_TRG_RADIO),
-	NULL
-};
-#endif /* CONFIG_IWLWIFI_DEBUG */
-
-static const struct {
-	u16 brightness;
-	u8 on_time;
-	u8 off_time;
-} blink_tbl[] =
-{
-	{300, 25, 25},
-	{200, 40, 40},
-	{100, 55, 55},
-	{70, 65, 65},
-	{50, 75, 75},
-	{20, 85, 85},
-	{15, 95, 95 },
-	{10, 110, 110},
-	{5, 130, 130},
-	{0, 167, 167},
-	/* SOLID_ON */
-	{-1, IWL_LED_SOLID, 0}
-};
-
-#define IWL_1MB_RATE (128 * 1024)
-#define IWL_LED_THRESHOLD (16)
-#define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /*Exclude Solid on*/
-#define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1)
-
-static void iwl3945_led_cmd_callback(struct iwl_priv *priv,
-				     struct iwl_device_cmd *cmd,
-				     struct sk_buff *skb)
-{
-}
-
-static inline int iwl3945_brightness_to_idx(enum led_brightness brightness)
-{
-	return fls(0x000000FF & (u32)brightness);
-}
 
 /* Send led command */
-static int iwl_send_led_cmd(struct iwl_priv *priv,
-			    struct iwl_led_cmd *led_cmd)
+static int iwl3945_send_led_cmd(struct iwl_priv *priv,
+				struct iwl_led_cmd *led_cmd)
 {
 	struct iwl_host_cmd cmd = {
 		.id = REPLY_LEDS_CMD,
 		.len = sizeof(struct iwl_led_cmd),
 		.data = led_cmd,
 		.flags = CMD_ASYNC,
-		.callback = iwl3945_led_cmd_callback,
+		.callback = NULL,
 	};
 
 	return iwl_send_cmd(priv, &cmd);
 }
 
-
-
-/* Set led on command */
-static int iwl3945_led_pattern(struct iwl_priv *priv, int led_id,
-			       unsigned int idx)
-{
-	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
-		.interval = IWL_DEF_LED_INTRVL
-	};
-
-	BUG_ON(idx > IWL_MAX_BLINK_TBL);
-
-	led_cmd.on = blink_tbl[idx].on_time;
-	led_cmd.off = blink_tbl[idx].off_time;
-
-	return iwl_send_led_cmd(priv, &led_cmd);
-}
-
-
 /* Set led on command */
-static int iwl3945_led_on(struct iwl_priv *priv, int led_id)
+static int iwl3945_led_on(struct iwl_priv *priv)
 {
 	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
+		.id = IWL_LED_LINK,
 		.on = IWL_LED_SOLID,
 		.off = 0,
 		.interval = IWL_DEF_LED_INTRVL
 	};
-	return iwl_send_led_cmd(priv, &led_cmd);
+	return iwl3945_send_led_cmd(priv, &led_cmd);
 }
 
 /* Set led off command */
-static int iwl3945_led_off(struct iwl_priv *priv, int led_id)
+static int iwl3945_led_off(struct iwl_priv *priv)
 {
 	struct iwl_led_cmd led_cmd = {
-		.id = led_id,
+		.id = IWL_LED_LINK,
 		.on = 0,
 		.off = 0,
 		.interval = IWL_DEF_LED_INTRVL
 	};
-	IWL_DEBUG_LED(priv, "led off %d\n", led_id);
-	return iwl_send_led_cmd(priv, &led_cmd);
+	IWL_DEBUG_LED(priv, "led off\n");
+	return iwl3945_send_led_cmd(priv, &led_cmd);
 }
 
-/*
- *  Set led on in case of association
- *  */
-static int iwl3945_led_associate(struct iwl_priv *priv, int led_id)
-{
-	IWL_DEBUG_LED(priv, "Associated\n");
-
-	priv->allow_blinking = 1;
-	return iwl3945_led_on(priv, led_id);
-}
-/* Set Led off in case of disassociation */
-static int iwl3945_led_disassociate(struct iwl_priv *priv, int led_id)
-{
-	IWL_DEBUG_LED(priv, "Disassociated\n");
-
-	priv->allow_blinking = 0;
-
-	return 0;
-}
-
-/*
- * brightness call back function for Tx/Rx LED
- */
-static int iwl3945_led_associated(struct iwl_priv *priv, int led_id)
-{
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
-	    !test_bit(STATUS_READY, &priv->status))
-		return 0;
-
-
-	/* start counting Tx/Rx bytes */
-	if (!priv->last_blink_time && priv->allow_blinking)
-		priv->last_blink_time = jiffies;
-	return 0;
-}
-
-/*
- * brightness call back for association and radio
- */
-static void iwl3945_led_brightness_set(struct led_classdev *led_cdev,
-				enum led_brightness brightness)
-{
-	struct iwl_led *led = container_of(led_cdev,
-					   struct iwl_led, led_dev);
-	struct iwl_priv *priv = led->priv;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-		return;
-
-	IWL_DEBUG_LED(priv, "Led type = %s brightness = %d\n",
-			led_type_str[led->type], brightness);
-
-	switch (brightness) {
-	case LED_FULL:
-		if (led->led_on)
-			led->led_on(priv, IWL_LED_LINK);
-		break;
-	case LED_OFF:
-		if (led->led_off)
-			led->led_off(priv, IWL_LED_LINK);
-		break;
-	default:
-		if (led->led_pattern) {
-			int idx = iwl3945_brightness_to_idx(brightness);
-			led->led_pattern(priv, IWL_LED_LINK, idx);
-		}
-		break;
-	}
-}
-
-/*
- * Register led class with the system
- */
-static int iwl3945_led_register_led(struct iwl_priv *priv,
-				   struct iwl_led *led,
-				   enum led_type type, u8 set_led,
-				   char *trigger)
-{
-	struct device *device = wiphy_dev(priv->hw->wiphy);
-	int ret;
-
-	led->led_dev.name = led->name;
-	led->led_dev.brightness_set = iwl3945_led_brightness_set;
-	led->led_dev.default_trigger = trigger;
-
-	led->priv = priv;
-	led->type = type;
-
-	ret = led_classdev_register(device, &led->led_dev);
-	if (ret) {
-		IWL_ERR(priv, "Error: failed to register led handler.\n");
-		return ret;
-	}
-
-	led->registered = 1;
-
-	if (set_led && led->led_on)
-		led->led_on(priv, IWL_LED_LINK);
-	return 0;
-}
-
-
-/*
- * calculate blink rate according to last 2 sec Tx/Rx activities
- */
-static inline u8 get_blink_rate(struct iwl_priv *priv)
-{
-	int index;
-	s64 tpt = priv->rxtxpackets;
-
-	if (tpt < 0)
-		tpt = -tpt;
-
-	IWL_DEBUG_LED(priv, "tpt %lld \n", (long long)tpt);
-
-	if (!priv->allow_blinking)
-		index = IWL_MAX_BLINK_TBL;
-	else
-		for (index = 0; index < IWL_MAX_BLINK_TBL; index++)
-			if (tpt > (blink_tbl[index].brightness * IWL_1MB_RATE))
-				break;
-
-	IWL_DEBUG_LED(priv, "LED BLINK IDX=%d\n", index);
-	return index;
-}
-
-/*
- * this function called from handler. Since setting Led command can
- * happen very frequent we postpone led command to be called from
- * REPLY handler so we know ucode is up
- */
-void iwl3945_led_background(struct iwl_priv *priv)
-{
-	u8 blink_idx;
-
-	if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
-		priv->last_blink_time = 0;
-		return;
-	}
-	if (iwl_is_rfkill(priv)) {
-		priv->last_blink_time = 0;
-		return;
-	}
-
-	if (!priv->allow_blinking) {
-		priv->last_blink_time = 0;
-		if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) {
-			priv->last_blink_rate = IWL_SOLID_BLINK_IDX;
-			iwl3945_led_pattern(priv, IWL_LED_LINK,
-					    IWL_SOLID_BLINK_IDX);
-		}
-		return;
-	}
-	if (!priv->last_blink_time ||
-	    !time_after(jiffies, priv->last_blink_time +
-			msecs_to_jiffies(1000)))
-		return;
-
-	blink_idx = get_blink_rate(priv);
-
-	/* call only if blink rate change */
-	if (blink_idx != priv->last_blink_rate)
-		iwl3945_led_pattern(priv, IWL_LED_LINK, blink_idx);
-
-	priv->last_blink_time = jiffies;
-	priv->last_blink_rate = blink_idx;
-	priv->rxtxpackets = 0;
-}
-
-
-/* Register all led handler */
-int iwl3945_led_register(struct iwl_priv *priv)
-{
-	char *trigger;
-	int ret;
-
-	priv->last_blink_rate = 0;
-	priv->rxtxpackets = 0;
-	priv->led_tpt = 0;
-	priv->last_blink_time = 0;
-	priv->allow_blinking = 0;
-
-	trigger = ieee80211_get_radio_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_RADIO].name,
-		 sizeof(priv->led[IWL_LED_TRG_RADIO].name), "iwl-%s::radio",
-		 wiphy_name(priv->hw->wiphy));
-
-	priv->led[IWL_LED_TRG_RADIO].led_on = iwl3945_led_on;
-	priv->led[IWL_LED_TRG_RADIO].led_off = iwl3945_led_off;
-	priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL;
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_RADIO],
-				   IWL_LED_TRG_RADIO, 1, trigger);
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_assoc_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_ASSOC].name,
-		 sizeof(priv->led[IWL_LED_TRG_ASSOC].name), "iwl-%s::assoc",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_ASSOC],
-				   IWL_LED_TRG_ASSOC, 0, trigger);
-
-	/* for assoc always turn led on */
-	priv->led[IWL_LED_TRG_ASSOC].led_on = iwl3945_led_associate;
-	priv->led[IWL_LED_TRG_ASSOC].led_off = iwl3945_led_disassociate;
-	priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL;
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_rx_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_RX].name,
-		 sizeof(priv->led[IWL_LED_TRG_RX].name), "iwl-%s::RX",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_RX],
-				   IWL_LED_TRG_RX, 0, trigger);
-
-	priv->led[IWL_LED_TRG_RX].led_on = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_RX].led_off = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_RX].led_pattern = iwl3945_led_pattern;
-
-	if (ret)
-		goto exit_fail;
-
-	trigger = ieee80211_get_tx_led_name(priv->hw);
-	snprintf(priv->led[IWL_LED_TRG_TX].name,
-		 sizeof(priv->led[IWL_LED_TRG_TX].name), "iwl-%s::TX",
-		 wiphy_name(priv->hw->wiphy));
-
-	ret = iwl3945_led_register_led(priv,
-				   &priv->led[IWL_LED_TRG_TX],
-				   IWL_LED_TRG_TX, 0, trigger);
-
-	priv->led[IWL_LED_TRG_TX].led_on = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_TX].led_off = iwl3945_led_associated;
-	priv->led[IWL_LED_TRG_TX].led_pattern = iwl3945_led_pattern;
-
-	if (ret)
-		goto exit_fail;
-
-	return 0;
-
-exit_fail:
-	iwl3945_led_unregister(priv);
-	return ret;
-}
-
-
-/* unregister led class */
-static void iwl3945_led_unregister_led(struct iwl_led *led, u8 set_led)
-{
-	if (!led->registered)
-		return;
-
-	led_classdev_unregister(&led->led_dev);
-
-	if (set_led)
-		led->led_dev.brightness_set(&led->led_dev, LED_OFF);
-	led->registered = 0;
-}
-
-/* Unregister all led handlers */
-void iwl3945_led_unregister(struct iwl_priv *priv)
-{
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0);
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RX], 0);
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_TX], 0);
-	iwl3945_led_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1);
-}
-
-#endif
+const struct iwl_led_ops iwl3945_led_ops = {
+	.cmd = iwl3945_send_led_cmd,
+	.on = iwl3945_led_on,
+	.off = iwl3945_led_off,
+};