Linux-2.6.33.2/drivers/staging/otus/80211core/ledmgr.c
/*
* Copyright (c) 2007-2008 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "cprecomp.h"
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfLedCtrlType1 */
/* Traditional single-LED state */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen Atheros Communications, INC. 2007.6 */
/* */
/************************************************************************/
// bit 15-12 : Toff for Scan state
// 11-8 : Ton for Scan state
// 7 : Reserved
// 6 : mode
//--------------------------------------
// bit 6 = 0
// 5-4 : Connect state
// 00 => always off
// 01 => always on
// 10 => Idle off, acitve on
// 11 => Idle on, active off
//--------------------------------------
// bit 6 = 1
// 5-4 : freq
// 00 => 1Hz
// 01 => 0.5Hz
// 10 => 0.25Hz
// 11 => 0.125Hz
//--------------------------------------
// 3 : Power save state
// 0 => always off in power save state
// 1 => works as connect state
// 2 : Disable state
// 1 : Reserved
// 0 : Power-on state
void zfLedCtrlType1(zdev_t* dev)
{
u16_t i;
u32_t ton, toff, tmp, period;
zmw_get_wlan_dev(dev);
for (i=0; i<ZM_MAX_LED_NUMBER; i++)
{
if (zfStaIsConnected(dev) != TRUE)
{
//Scan state
ton = ((wd->ledStruct.ledMode[i] & 0xf00) >> 8) * 5;
toff = ((wd->ledStruct.ledMode[i] & 0xf000) >> 12) * 5;
if ((ton + toff) != 0)
{
tmp = wd->ledStruct.counter / (ton+toff);
tmp = wd->ledStruct.counter - (tmp * (ton+toff));
if (tmp < ton)
{
zfHpLedCtrl(dev, i, 1);
}
else
{
zfHpLedCtrl(dev, i, 0);
}
}
}
else
{
if ((zfPowerSavingMgrIsSleeping(dev)) && ((wd->ledStruct.ledMode[i] & 0x8) == 0))
{
zfHpLedCtrl(dev, i, 0);
}
else
{
//Connect state
if ((wd->ledStruct.ledMode[i] & 0x40) == 0)
{
if ((wd->ledStruct.counter & 1) == 0)
{
zfHpLedCtrl(dev, i, (wd->ledStruct.ledMode[i] & 0x10) >> 4);
}
else
{
if ((wd->ledStruct.txTraffic > 0) || (wd->ledStruct.rxTraffic > 0))
{
wd->ledStruct.txTraffic = wd->ledStruct.rxTraffic = 0;
if ((wd->ledStruct.ledMode[i] & 0x20) != 0)
{
zfHpLedCtrl(dev, i, ((wd->ledStruct.ledMode[i] & 0x10) >> 4)^1);
}
}
}
}// if ((wd->ledStruct.ledMode[i] & 0x40) == 0)
else
{
period = 5 * (1 << ((wd->ledStruct.ledMode[i] & 0x30) >> 4));
tmp = wd->ledStruct.counter / (period*2);
tmp = wd->ledStruct.counter - (tmp * (period*2));
if (tmp < period)
{
if ((wd->ledStruct.counter & 1) == 0)
{
zfHpLedCtrl(dev, i, 0);
}
else
{
if ((wd->ledStruct.txTraffic > 0) || (wd->ledStruct.rxTraffic > 0))
{
wd->ledStruct.txTraffic = wd->ledStruct.rxTraffic = 0;
zfHpLedCtrl(dev, i, 1);
}
}
}
else
{
if ((wd->ledStruct.counter & 1) == 0)
{
zfHpLedCtrl(dev, i, 1);
}
else
{
if ((wd->ledStruct.txTraffic > 0) || (wd->ledStruct.rxTraffic > 0))
{
wd->ledStruct.txTraffic = wd->ledStruct.rxTraffic = 0;
zfHpLedCtrl(dev, i, 0);
}
}
}
} //else, if ((wd->ledStruct.ledMode[i] & 0x40) == 0)
} //else, if (zfPowerSavingMgrIsSleeping(dev))
} //else : if (zfStaIsConnected(dev) != TRUE)
} //for (i=0; i<ZM_MAX_LED_NUMBER; i++)
}
/******************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfLedCtrlType2 */
/* Customize for Netgear Dual-LED state ((bug#31292)) */
/* */
/* 1. Status: When dongle does not connect to 2.4G or 5G but in site */
/* survey/association */
/* LED status: Slow blinking, Amber then Blue per 500ms */
/* 2. Status: Connection at 2.4G in site survey/association */
/* LED status: Slow blinking, Amber/off per 500ms */
/* 3. Status: Connection at 5G in site survey/association */
/* LED status: Slow blinking, Blue/off per 500ms */
/* 4. Status: When transfer the packet */
/* LED status: Blink per packet, including TX and RX */
/* 5. Status: When linking is established but no traffic */
/* LED status: Always on */
/* 6. Status: When linking is dropped but no re-connection */
/* LED status: Always off */
/* 7. Status: From one connection(2.4G or 5G) to change to another band */
/* LED status: Amber/Blue =>Slow blinking, Amber then Blue per 500ms */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Shang-Chun Liu Atheros Communications, INC. 2007.11 */
/* */
/******************************************************************************/
void zfLedCtrlType2_scan(zdev_t* dev);
void zfLedCtrlType2(zdev_t* dev)
{
u32_t ton, toff, tmp, period;
u16_t OperateLED;
zmw_get_wlan_dev(dev);
if (zfStaIsConnected(dev) != TRUE)
{
// Disconnect state
if(wd->ledStruct.counter % 4 != 0)
{
// Update LED each 400ms(4*100)
// Prevent this situation
// _______ ___
// LED[0] ON | | | x |
// ------ OFF->+-+-+-+-+-+-+-+-+-+-+-+->>>...
// LED[1] ON
//
return;
}
if (((wd->state == ZM_WLAN_STATE_DISABLED) && (wd->sta.bChannelScan))
|| ((wd->state != ZM_WLAN_STATE_DISABLED) && (wd->sta.bAutoReconnect)))
{
// Scan/AutoReconnect state
zfLedCtrlType2_scan(dev);
}
else
{
// Neither Connected nor Scan
zfHpLedCtrl(dev, 0, 0);
zfHpLedCtrl(dev, 1, 0);
}
}
else
{
if( wd->sta.bChannelScan )
{
// Scan state
if(wd->ledStruct.counter % 4 != 0)
return;
zfLedCtrlType2_scan(dev);
return;
}
if(wd->frequency < 3000)
{
OperateLED = 0; // LED[0]: work on 2.4G (b/g band)
zfHpLedCtrl(dev, 1, 0);
}
else
{
OperateLED = 1; // LED[1]: work on 5G (a band)
zfHpLedCtrl(dev, 0, 0);
}
if ((zfPowerSavingMgrIsSleeping(dev)) && ((wd->ledStruct.ledMode[OperateLED] & 0x8) == 0))
{
// If Sleeping, turn OFF
zfHpLedCtrl(dev, OperateLED, 0);
}
else
{
//Connect state
if ((wd->ledStruct.counter & 1) == 0) // even
{
// No traffic, always ON
zfHpLedCtrl(dev, OperateLED, 1);
}
else // odd
{
if ((wd->ledStruct.txTraffic > 0) || (wd->ledStruct.rxTraffic > 0))
{
// If have traffic, turn OFF
// _____ _ _ _ _____
// LED[Operate] ON | | | | | | | |
// ------------ OFF->-+-+-+-+-+-+-+-+-+-+-+-+-+->>>...
//
wd->ledStruct.txTraffic = wd->ledStruct.rxTraffic = 0;
zfHpLedCtrl(dev, OperateLED, 0);
}
}
}
}
}
void zfLedCtrlType2_scan(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
// When doing scan, blink(Amber/Blue) and off per 500ms (about 400ms in our driver)
// _______ _______
// LED[0] ON | | 8 12 | |
// ------ OFF->-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+->>>...
// LED[1] ON 0 4 |_______| 0 3
//
switch(wd->ledStruct.counter % 16)
{
case 0: // case 0~3, LED[0] on
if(wd->supportMode & ZM_WIRELESS_MODE_24)
{
zfHpLedCtrl(dev, 0, 1);
zfHpLedCtrl(dev, 1, 0);
}
else
{
zfHpLedCtrl(dev, 1, 1);
zfHpLedCtrl(dev, 0, 0);
}
break;
case 8: // case 8~11, LED[1] on
if(wd->supportMode & ZM_WIRELESS_MODE_5)
{
zfHpLedCtrl(dev, 1, 1);
zfHpLedCtrl(dev, 0, 0);
}
else
{
zfHpLedCtrl(dev, 0, 1);
zfHpLedCtrl(dev, 1, 0);
}
break;
default: // others, all off
zfHpLedCtrl(dev, 0, 0);
zfHpLedCtrl(dev, 1, 0);
break;
}
}
/**********************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfLedCtrlType3 */
/* Customize for Netgear Single-LED state ((bug#32243)) */
/* */
/* ĦEOff: when the adapter is disabled or hasn't started to associate with AP */
/* yet. */
/* ĦEOn: Once adpater associate with AP successfully */
/* ĦESlow blinking: whenever adapters do site-survey or try to associate with AP */
/* - If there is a connection already, and adapters do site-survey or */
/* re-associate action, the LED should keep LED backgraoud as ON, thus */
/* the blinking behavior SHOULD be OFF (200ms) - ON (800ms) and continue this*/
/* cycle. */
/* - If there is no connection yet, and adapters start to do site-survey or */
/* associate action, the LED should keep LED background as OFF, thus the */
/* blinking behavior SHOULD be ON (200ms) - OFF (800ms) and continue this */
/* cycle. */
/* - For the case that associate fail, adpater should keep associating, and the*/
/* LED should also keep slow blinking. */
/* ĦEQuick blinking: to blink OFF-ON cycle for each time that traffic packet is */
/* received or is transmitted. */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Shang-Chun Liu Atheros Communications, INC. 2008.01 */
/* */
/**********************************************************************************/
void zfLedCtrlType3_scan(zdev_t* dev, u16_t isConnect);
void zfLedCtrlType3(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
if (zfStaIsConnected(dev) != TRUE)
{
// Disconnect state
if(wd->ledStruct.counter % 2 != 0)
{
// Update LED each 200ms(2*100)
// Prevent this situation
// ___ _
// LED[0] ON | | |x|
// ------ OFF->+-+-+-+-+-+-+->>>...
//
return;
}
if (((wd->state == ZM_WLAN_STATE_DISABLED) && (wd->sta.bChannelScan))
|| ((wd->state != ZM_WLAN_STATE_DISABLED) && (wd->sta.bAutoReconnect)))
{
// Scan/AutoReconnect state
zfLedCtrlType3_scan(dev, 0);
}
else
{
// Neither Connected nor Scan
zfHpLedCtrl(dev, 0, 0);
zfHpLedCtrl(dev, 1, 0);
}
}
else
{
if( wd->sta.bChannelScan )
{
// Scan state
if(wd->ledStruct.counter % 2 != 0)
return;
zfLedCtrlType3_scan(dev, 1);
return;
}
if ((zfPowerSavingMgrIsSleeping(dev)) && ((wd->ledStruct.ledMode[0] & 0x8) == 0))
{
// If Sleeping, turn OFF
zfHpLedCtrl(dev, 0, 0);
zfHpLedCtrl(dev, 1, 0);
}
else
{
//Connect state
if ((wd->ledStruct.counter & 1) == 0) // even
{
// No traffic, always ON
zfHpLedCtrl(dev, 0, 1);
zfHpLedCtrl(dev, 1, 1);
}
else // odd
{
if ((wd->ledStruct.txTraffic > 0) || (wd->ledStruct.rxTraffic > 0))
{
// If have traffic, turn OFF
// _____ _ _ _ _____
// LED[Operate] ON | | | | | | | |
// ------------ OFF->-+-+-+-+-+-+-+-+-+-+-+-+-+->>>...
//
wd->ledStruct.txTraffic = wd->ledStruct.rxTraffic = 0;
zfHpLedCtrl(dev, 0, 0);
zfHpLedCtrl(dev, 1, 0);
}
}
}
}
}
void zfLedCtrlType3_scan(zdev_t* dev, u16_t isConnect)
{
u32_t ton, toff, tmp;
zmw_get_wlan_dev(dev);
// Doing scan when :
// 1. Disconnected: ON (200ms) - OFF (800ms) (200ms-600ms in our driver)
// ___ ___ ___
// LED[0] ON | | | | | |
// ------ OFF->-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+->>>...
// 0 2 4 6 8 10 12 14 16
// 2. Connected: ON (800ms) - OFF (200ms) (600ms-200ms in our driver)
// ___________ ___________ ______
// LED[0] ON | | | | |
// ------ OFF->-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+->>>...
// 0 2 4 6 8 10 12 14 16
//Scan state
if(!isConnect)
ton = 2, toff = 6;
else
ton = 6, toff = 2;
if ((ton + toff) != 0)
{
tmp = wd->ledStruct.counter % (ton+toff);
if (tmp < ton)
{
zfHpLedCtrl(dev, 0, 1);
zfHpLedCtrl(dev, 1, 1);
}
else
{
zfHpLedCtrl(dev, 0, 0);
zfHpLedCtrl(dev, 1, 0);
}
}
}
/******************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfLedCtrl_BlinkWhenScan_Alpha */
/* Customize for Alpha/DLink LED */
/* - Blink LED 12 times within 3 seconds when doing Active Scan */
/* ___ ___ ___ ___ */
/* LED[0] ON | | | | | | | | */
/* -------OFF->-+-+-+-+-+-+-+-+-+-+-+-+-+--+-->>>... */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Shang-Chun Liu Atheros Communications, INC. 2007.11 */
/* */
/******************************************************************************/
void zfLedCtrl_BlinkWhenScan_Alpha(zdev_t* dev)
{
static u32_t counter = 0;
zmw_get_wlan_dev(dev);
if(counter > 34) // counter for 3 sec
{
wd->ledStruct.LEDCtrlFlag &= ~(u8_t)ZM_LED_CTRL_FLAG_ALPHA;
counter = 0;
}
if( (counter % 3) < 2)
zfHpLedCtrl(dev, 0, 1);
else
zfHpLedCtrl(dev, 0, 0);
counter++;
}
/************************************************************************/
/* */
/* FUNCTION DESCRIPTION zfLed100msCtrl */
/* LED 100 milliseconds timer. */
/* */
/* INPUTS */
/* dev : device pointer */
/* */
/* OUTPUTS */
/* None */
/* */
/* AUTHOR */
/* Stephen Chen Atheros Communications, INC. 2007.6 */
/* */
/************************************************************************/
void zfLed100msCtrl(zdev_t* dev)
{
zmw_get_wlan_dev(dev);
wd->ledStruct.counter++;
if(wd->ledStruct.LEDCtrlFlag)
{
switch(wd->ledStruct.LEDCtrlFlag) {
case ZM_LED_CTRL_FLAG_ALPHA:
zfLedCtrl_BlinkWhenScan_Alpha(dev);
break;
}
}
else
{
switch(wd->ledStruct.LEDCtrlType) {
case 1: // Traditional 1 LED
zfLedCtrlType1(dev);
break;
case 2: // Dual-LEDs for Netgear
zfLedCtrlType2(dev);
break;
case 3: // Single-LED for Netgear (WN111v2)
zfLedCtrlType3(dev);
break;
default:
zfLedCtrlType1(dev);
break;
}
}
}