*
*****************************************************************************/
-#ifdef CONFIG_IWLWIFI_LEDS
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#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,
+};
projects / linux-flexiantxendom0-3.2.10.git / blobdiff