drivers/net/wireless/iwlwifi/iwl-3945-led.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2003 - 2010 Intel Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * The full GNU General Public License is included in this distribution in the
  19  * file called LICENSE.
  20  *
  21  * Contact Information:
  22  *  Intel Linux Wireless <ilw@linux.intel.com>
  23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24  *
  25  *****************************************************************************/
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/init.h>
  30 #include <linux/pci.h>
  31 #include <linux/dma-mapping.h>
  32 #include <linux/delay.h>
  33 #include <linux/skbuff.h>
  34 #include <linux/netdevice.h>
  35 #include <linux/wireless.h>
  36 #include <net/mac80211.h>
  37 #include <linux/etherdevice.h>
  38 #include <asm/unaligned.h>
  39
  40 #include "iwl-commands.h"
  41 #include "iwl-3945.h"
  42 #include "iwl-core.h"
  43 #include "iwl-dev.h"
  44 #include "iwl-3945-led.h"
  45
  46
  47 /* Send led command */
  48 static int iwl3945_send_led_cmd(struct iwl_priv *priv,
  49                                 struct iwl_led_cmd *led_cmd)
  50 {
  51         struct iwl_host_cmd cmd = {
  52                 .id = REPLY_LEDS_CMD,
  53                 .len = sizeof(struct iwl_led_cmd),
  54                 .data = led_cmd,
  55                 .flags = CMD_ASYNC,
  56                 .callback = NULL,
  57         };
  58
  59         return iwl_send_cmd(priv, &cmd);
  60 }
  61
  62 /* Set led on command */
  63 static int iwl3945_led_on(struct iwl_priv *priv)
  64 {
  65         struct iwl_led_cmd led_cmd = {
  66                 .id = IWL_LED_LINK,
  67                 .on = IWL_LED_SOLID,
  68                 .off = 0,
  69                 .interval = IWL_DEF_LED_INTRVL
  70         };
  71         return iwl3945_send_led_cmd(priv, &led_cmd);
  72 }
  73
  74 /* Set led off command */
  75 static int iwl3945_led_off(struct iwl_priv *priv)
  76 {
  77         struct iwl_led_cmd led_cmd = {
  78                 .id = IWL_LED_LINK,
  79                 .on = 0,
  80                 .off = 0,
  81                 .interval = IWL_DEF_LED_INTRVL
  82         };
  83         IWL_DEBUG_LED(priv, "led off\n");
  84         return iwl3945_send_led_cmd(priv, &led_cmd);
  85 }
  86
  87 const struct iwl_led_ops iwl3945_led_ops = {
  88         .cmd = iwl3945_send_led_cmd,
  89         .on = iwl3945_led_on,
  90         .off = iwl3945_led_off,
  91 };