diff options
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-led.c')
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-led.c | 205 |
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); |