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path: root/drivers/net/wireless/iwlegacy/iwl-led.c
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Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-led.c')
-rw-r--r--drivers/net/wireless/iwlegacy/iwl-led.c205
1 files changed, 0 insertions, 205 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-led.c b/drivers/net/wireless/iwlegacy/iwl-led.c
deleted file mode 100644
index dc568a474c5d..000000000000
--- a/drivers/net/wireless/iwlegacy/iwl-led.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/******************************************************************************
- *
- * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- *****************************************************************************/
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/dma-mapping.h>
-#include <linux/delay.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <net/mac80211.h>
-#include <linux/etherdevice.h>
-#include <asm/unaligned.h>
-
-#include "iwl-dev.h"
-#include "iwl-core.h"
-#include "iwl-io.h"
-
-/* default: IWL_LED_BLINK(0) using blinking index table */
-static int led_mode;
-module_param(led_mode, int, S_IRUGO);
-MODULE_PARM_DESC(led_mode, "0=system default, "
- "1=On(RF On)/Off(RF Off), 2=blinking");
-
-/* Throughput OFF time(ms) ON time (ms)
- * >300 25 25
- * >200 to 300 40 40
- * >100 to 200 55 55
- * >70 to 100 65 65
- * >50 to 70 75 75
- * >20 to 50 85 85
- * >10 to 20 95 95
- * >5 to 10 110 110
- * >1 to 5 130 130
- * >0 to 1 167 167
- * <=0 SOLID ON
- */
-static const struct ieee80211_tpt_blink iwl_blink[] = {
- { .throughput = 0, .blink_time = 334 },
- { .throughput = 1 * 1024 - 1, .blink_time = 260 },
- { .throughput = 5 * 1024 - 1, .blink_time = 220 },
- { .throughput = 10 * 1024 - 1, .blink_time = 190 },
- { .throughput = 20 * 1024 - 1, .blink_time = 170 },
- { .throughput = 50 * 1024 - 1, .blink_time = 150 },
- { .throughput = 70 * 1024 - 1, .blink_time = 130 },
- { .throughput = 100 * 1024 - 1, .blink_time = 110 },
- { .throughput = 200 * 1024 - 1, .blink_time = 80 },
- { .throughput = 300 * 1024 - 1, .blink_time = 50 },
-};
-
-/*
- * Adjust led blink rate to compensate on a MAC Clock difference on every HW
- * Led blink rate analysis showed an average deviation of 0% on 3945,
- * 5% on 4965 HW.
- * Need to compensate on the led on/off time per HW according to the deviation
- * to achieve the desired led frequency
- * The calculation is: (100-averageDeviation)/100 * blinkTime
- * For code efficiency the calculation will be:
- * compensation = (100 - averageDeviation) * 64 / 100
- * NewBlinkTime = (compensation * BlinkTime) / 64
- */
-static inline u8 iwl_legacy_blink_compensation(struct iwl_priv *priv,
- u8 time, u16 compensation)
-{
- if (!compensation) {
- IWL_ERR(priv, "undefined blink compensation: "
- "use pre-defined blinking time\n");
- return time;
- }
-
- return (u8)((time * compensation) >> 6);
-}
-
-/* Set led pattern command */
-static int iwl_legacy_led_cmd(struct iwl_priv *priv,
- unsigned long on,
- unsigned long off)
-{
- struct iwl_led_cmd led_cmd = {
- .id = IWL_LED_LINK,
- .interval = IWL_DEF_LED_INTRVL
- };
- int ret;
-
- if (!test_bit(STATUS_READY, &priv->status))
- return -EBUSY;
-
- if (priv->blink_on == on && priv->blink_off == off)
- return 0;
-
- if (off == 0) {
- /* led is SOLID_ON */
- on = IWL_LED_SOLID;
- }
-
- IWL_DEBUG_LED(priv, "Led blink time compensation=%u\n",
- priv->cfg->base_params->led_compensation);
- led_cmd.on = iwl_legacy_blink_compensation(priv, on,
- priv->cfg->base_params->led_compensation);
- led_cmd.off = iwl_legacy_blink_compensation(priv, off,
- priv->cfg->base_params->led_compensation);
-
- ret = priv->cfg->ops->led->cmd(priv, &led_cmd);
- if (!ret) {
- priv->blink_on = on;
- priv->blink_off = off;
- }
- return ret;
-}
-
-static void iwl_legacy_led_brightness_set(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- struct iwl_priv *priv = container_of(led_cdev, struct iwl_priv, led);
- unsigned long on = 0;
-
- if (brightness > 0)
- on = IWL_LED_SOLID;
-
- iwl_legacy_led_cmd(priv, on, 0);
-}
-
-static int iwl_legacy_led_blink_set(struct led_classdev *led_cdev,
- unsigned long *delay_on,
- unsigned long *delay_off)
-{
- struct iwl_priv *priv = container_of(led_cdev, struct iwl_priv, led);
-
- return iwl_legacy_led_cmd(priv, *delay_on, *delay_off);
-}
-
-void iwl_legacy_leds_init(struct iwl_priv *priv)
-{
- int mode = led_mode;
- int ret;
-
- if (mode == IWL_LED_DEFAULT)
- mode = priv->cfg->led_mode;
-
- priv->led.name = kasprintf(GFP_KERNEL, "%s-led",
- wiphy_name(priv->hw->wiphy));
- priv->led.brightness_set = iwl_legacy_led_brightness_set;
- priv->led.blink_set = iwl_legacy_led_blink_set;
- priv->led.max_brightness = 1;
-
- switch (mode) {
- case IWL_LED_DEFAULT:
- WARN_ON(1);
- break;
- case IWL_LED_BLINK:
- priv->led.default_trigger =
- ieee80211_create_tpt_led_trigger(priv->hw,
- IEEE80211_TPT_LEDTRIG_FL_CONNECTED,
- iwl_blink, ARRAY_SIZE(iwl_blink));
- break;
- case IWL_LED_RF_STATE:
- priv->led.default_trigger =
- ieee80211_get_radio_led_name(priv->hw);
- break;
- }
-
- ret = led_classdev_register(&priv->pci_dev->dev, &priv->led);
- if (ret) {
- kfree(priv->led.name);
- return;
- }
-
- priv->led_registered = true;
-}
-EXPORT_SYMBOL(iwl_legacy_leds_init);
-
-void iwl_legacy_leds_exit(struct iwl_priv *priv)
-{
- if (!priv->led_registered)
- return;
-
- led_classdev_unregister(&priv->led);
- kfree(priv->led.name);
-}
-EXPORT_SYMBOL(iwl_legacy_leds_exit);