diff options
Diffstat (limited to 'target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/bcm63xx_led.c')
| -rw-r--r-- | target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/bcm63xx_led.c | 582 |
1 files changed, 0 insertions, 582 deletions
diff --git a/target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/bcm63xx_led.c b/target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/bcm63xx_led.c deleted file mode 100644 index 8de0f91..0000000 --- a/target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/bcm63xx_led.c +++ /dev/null @@ -1,582 +0,0 @@ -/* -<:copyright-gpl - Copyright 2002 Broadcom Corp. All Rights Reserved. - - This program is free software; you can distribute it and/or modify it - under the terms of the GNU General Public License (Version 2) as - published by the Free Software Foundation. - - This program is distributed in the hope 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., - 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. -:> -*/ -/*************************************************************************** - * File Name : bcm63xx_led.c - * - * Description: - * - * This file contains bcm963xx board led control API functions. - * - * To use it, do the following - * - * 1). define in the board.c the following led mappping (this is for 6345GW board): - * const LED_MAP_PAIR cLedMapping45GW[] = - * { // led name Initial state physical pin (ledMask) - * {kLedUsb, kLedStateOff, GPIO_LED_PIN_7}, - * {kLedAdsl, kLedStateOff, GPIO_LED_PIN_8}, - * {kLedPPP, kLedStateOff, GPIO_LED_PIN_9}, // PPP and WanData share PIN_9 - * {kLedWanData, kLedStateOff, GPIO_LED_PIN_9}, - * {kLedWireless, kLedStateOff, GPIO_LED_PIN_10}, - * {kLedEnd, kLedStateOff, 0 } // NOTE: kLedEnd has to be at the end. - * - * 2). };To initialize led API and initial state of the leds, call the following function with the mapping - * pointer from the above struct - * - * boardLedInit((PLED_MAP_PAIR) &cLedMapping45R); - * - * 3). Sample call for kernel mode: - * - * kerSysLedCtrl(kLedAdsl, kLedStateBlinkOnce); // kLedxxx defines in board.h - * - * 4). Sample call for user mode - * - * sysLedCtrl(kLedAdsl, kLedStateBlinkOnce); // kLedxxx defines in board_api.h - * - * - * Created on : 10/28/2002 seanl - * - ***************************************************************************/ - -/* Includes. */ -#include <linux/init.h> -#include <linux/fs.h> -#include <linux/capability.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <asm/uaccess.h> - -#include <bcm_map_part.h> -#include <board.h> - -#define k100ms (HZ / 10) // ~100 ms -#define kFastBlinkCount 0 // ~100ms -#define kSlowBlinkCount 5 // ~600ms - -#define MAX_VIRT_LEDS 12 - -// uncomment // for debug led -//#define DEBUG_LED - -// global variables: -struct timer_list gLedTimer; -int gTimerOn = FALSE; -int gLedCount = 0; - -typedef struct ledinfo -{ - unsigned short ledMask; // mask for led: ie. giop 10 = 0x0400 - unsigned short ledActiveLow; // GPIO bit reset to turn on LED - unsigned short ledMaskFail; // mask for led: ie. giop 10 = 0x0400 - unsigned short ledActiveLowFail;// GPIO bit reset to turn on LED - BOARD_LED_STATE ledState; // current led state - BOARD_LED_STATE savedLedState; // used in blink once for restore to the orignal ledState - int blinkCountDown; // if == 0, do blink (toggle). Is assgined value and dec by 1 at each timer. -} LED_INFO, *PLED_INFO; - -static PLED_INFO gLed = NULL; -static PLED_INFO gpVirtLeds[MAX_VIRT_LEDS]; -static HANDLE_LED_FUNC gLedHwFunc[MAX_VIRT_LEDS]; -static HANDLE_LED_FUNC gLedHwFailFunc[MAX_VIRT_LEDS]; - -#if 0 /* BROKEN */ -#if defined(CONFIG_BCM96348) || defined(CONFIG_BCM96338) -static int gLedOffInBridgeMode = 1; -#elif defined(CONFIG_BCM96345) -static int gLedOffInBridgeMode = 0; -#endif -#endif - -void ledTimerExpire(void); -int initLedInfo( PLED_MAP_PAIR pCurMap, PLED_INFO pCurLed ); - -//************************************************************************************** -// LED operations -//************************************************************************************** - -// turn led on and set the ledState -void ledOn(PLED_INFO pLed) -{ - if( pLed->ledMask ) - { - GPIO->GPIODir |= pLed->ledMask; // turn on the direction bit in case was turned off by some one - if( pLed->ledActiveLow ) - GPIO->GPIOio &= ~pLed->ledMask; // turn on the led - else - GPIO->GPIOio |= pLed->ledMask; // turn on the led - pLed->ledState = pLed->savedLedState = kLedStateOn; - } -} - - -// turn led off and set the ledState -void ledOff(PLED_INFO pLed) -{ - if( pLed->ledMask ) - { - GPIO->GPIODir |= pLed->ledMask; // turn on the direction bit in case was turned off by some one - if( pLed->ledActiveLow ) - GPIO->GPIOio |= pLed->ledMask; // turn off the led - else - GPIO->GPIOio &= ~pLed->ledMask; // turn off the led - pLed->ledState = pLed->savedLedState = kLedStateOff; - } -} - -// turn led on and set the ledState -void ledOnFail(PLED_INFO pLed) -{ - if( pLed->ledMaskFail ) - { - GPIO->GPIODir |= pLed->ledMaskFail; // turn on the direction bit in case was turned off by some one - if( pLed->ledActiveLowFail ) - GPIO->GPIOio &= ~pLed->ledMaskFail;// turn on the led - else - GPIO->GPIOio |= pLed->ledMaskFail; // turn on the led - pLed->ledState = pLed->savedLedState = kLedStateFail; - } -} - - -// turn led off and set the ledState -void ledOffFail(PLED_INFO pLed) -{ - if( pLed->ledMaskFail ) - { - GPIO->GPIODir |= pLed->ledMaskFail; // turn on the direction bit in case was turned off by some one - if( pLed->ledActiveLowFail ) - GPIO->GPIOio |= pLed->ledMaskFail; // turn off the led - else - GPIO->GPIOio &= ~pLed->ledMaskFail;// turn off the led - pLed->ledState = pLed->savedLedState = kLedStateOff; - } -} - - -// toggle the led and return the current ledState -BOARD_LED_STATE ledToggle(PLED_INFO pLed) -{ - GPIO->GPIODir |= pLed->ledMask; // turn on the direction bit in case was turned off by some one - if (GPIO->GPIOio & pLed->ledMask) - { - GPIO->GPIOio &= ~(pLed->ledMask); - return( (pLed->ledActiveLow) ? kLedStateOn : kLedStateOff ); - } - else - { - GPIO->GPIOio |= pLed->ledMask; - return( (pLed->ledActiveLow) ? kLedStateOff : kLedStateOn ); - } -} - - -// led timer. Will return if timer is already on -void ledTimerStart(void) -{ - if (gTimerOn) - return; - -#if defined(DEBUG_LED) - printk("led: add_timer\n"); -#endif - - init_timer(&gLedTimer); - gLedTimer.function = (void*)ledTimerExpire; - gLedTimer.expires = jiffies + k100ms; // timer expires in ~100ms - add_timer (&gLedTimer); - gTimerOn = TRUE; -} - - -// led timer expire kicks in about ~100ms and perform the led operation according to the ledState and -// restart the timer according to ledState -void ledTimerExpire(void) -{ - int i; - PLED_INFO pCurLed; - - gTimerOn = FALSE; - - for (i = 0, pCurLed = gLed; i < gLedCount; i++, pCurLed++) - { -#if defined(DEBUG_LED) - printk("led[%d]: Mask=0x%04x, State = %d, blcd=%d\n", i, pCurLed->ledMask, pCurLed->ledState, pCurLed->blinkCountDown); -#endif - switch (pCurLed->ledState) - { - case kLedStateOn: - case kLedStateOff: - case kLedStateFail: - pCurLed->blinkCountDown = 0; // reset the blink count down - break; - - case kLedStateBlinkOnce: - ledToggle(pCurLed); - pCurLed->blinkCountDown = 0; // reset to 0 - pCurLed->ledState = pCurLed->savedLedState; - if (pCurLed->ledState == kLedStateSlowBlinkContinues || - pCurLed->ledState == kLedStateFastBlinkContinues) - ledTimerStart(); // start timer if in blinkContinues stats - break; - - case kLedStateSlowBlinkContinues: - if (pCurLed->blinkCountDown-- == 0) - { - pCurLed->blinkCountDown = kSlowBlinkCount; - ledToggle(pCurLed); - } - ledTimerStart(); - break; - - case kLedStateFastBlinkContinues: - if (pCurLed->blinkCountDown-- == 0) - { - pCurLed->blinkCountDown = kFastBlinkCount; - ledToggle(pCurLed); - } - ledTimerStart(); - break; - - default: - printk("Invalid state = %d\n", pCurLed->ledState); - } - } -} - -// initialize the gLedCount and allocate and fill gLed struct -void __init boardLedInit(PLED_MAP_PAIR cLedMapping) -{ - PLED_MAP_PAIR p1, p2; - PLED_INFO pCurLed; - int needTimer = FALSE; - int alreadyUsed = 0; - -#if defined(CONFIG_BCM96348) || defined(CONFIG_BCM96338) - /* Set blink rate for BCM6348/BCM6338 hardware LEDs. */ - GPIO->LEDCtrl &= ~LED_INTERVAL_SET_MASK; - GPIO->LEDCtrl |= LED_INTERVAL_SET_80MS; -#endif - - memset( gpVirtLeds, 0x00, sizeof(gpVirtLeds) ); - memset( gLedHwFunc, 0x00, sizeof(gLedHwFunc) ); - memset( gLedHwFailFunc, 0x00, sizeof(gLedHwFailFunc) ); - - gLedCount = 0; - - // Check for multiple LED names and multiple LED GPIO pins that share the - // same physical board LED. - for( p1 = cLedMapping; p1->ledName != kLedEnd; p1++ ) - { - alreadyUsed = 0; - for( p2 = cLedMapping; p2 != p1; p2++ ) - { - if( (p1->ledMask && p1->ledMask == p2->ledMask) || - (p1->ledMaskFail && p1->ledMaskFail == p2->ledMaskFail) ) - { - alreadyUsed = 1; - break; - } - } - - if( alreadyUsed == 0 ) - gLedCount++; - } - - gLed = (PLED_INFO) kmalloc((gLedCount * sizeof(LED_INFO)), GFP_KERNEL); - if( gLed == NULL ) - { - printk( "LED memory allocation error.\n" ); - return; - } - - memset( gLed, 0x00, gLedCount * sizeof(LED_INFO) ); - - // initial the gLed with unique ledMask and initial state. If more than 1 ledNames share the physical led - // (ledMask) the first defined led's ledInitState will be used. - pCurLed = gLed; - for( p1 = cLedMapping; p1->ledName != kLedEnd; p1++ ) - { - if( (int) p1->ledName > MAX_VIRT_LEDS ) - continue; - - alreadyUsed = 0; - for( p2 = cLedMapping; p2 != p1; p2++ ) - { - if( (p1->ledMask && p1->ledMask == p2->ledMask) || - (p1->ledMaskFail && p1->ledMaskFail == p2->ledMaskFail) ) - { - alreadyUsed = 1; - break; - } - } - - if( alreadyUsed == 0 ) - { - // Initialize the board LED for the first time. - needTimer = initLedInfo( p1, pCurLed ); - gpVirtLeds[(int) p1->ledName] = pCurLed; - pCurLed++; - } - else - { - PLED_INFO pLed; - for( pLed = gLed; pLed != pCurLed; pLed++ ) - { - // Find the LED_INFO structure that has already been initialized. - if((pLed->ledMask && pLed->ledMask == p1->ledMask) || - (pLed->ledMaskFail && pLed->ledMaskFail==p1->ledMaskFail)) - { - // The board LED has already been initialized but possibly - // not completely initialized. - if( p1->ledMask ) - { - pLed->ledMask = p1->ledMask; - pLed->ledActiveLow = p1->ledActiveLow; - } - if( p1->ledMaskFail ) - { - pLed->ledMaskFail = p1->ledMaskFail; - pLed->ledActiveLowFail = p1->ledActiveLowFail; - } - gpVirtLeds[(int) p1->ledName] = pLed; - break; - } - } - } - } - - if (needTimer) - ledTimerStart(); - -#if defined(DEBUG_LED) - int i; - for (i=0; i < gLedCount; i++) - printk("initLed: led[%d]: mask=0x%04x, state=%d\n", i,(gLed+i)->ledMask, (gLed+i)->ledState); -#endif - -} - -// Initialize a structure that contains information about a physical board LED -// control. The board LED may contain more than one GPIO pin to control a -// normal condition (green) or a failure condition (red). -int initLedInfo( PLED_MAP_PAIR pCurMap, PLED_INFO pCurLed ) -{ - int needTimer = FALSE; - pCurLed->ledState = pCurLed->savedLedState = pCurMap->ledInitState; - pCurLed->ledMask = pCurMap->ledMask; - pCurLed->ledActiveLow = pCurMap->ledActiveLow; - pCurLed->ledMaskFail = pCurMap->ledMaskFail; - pCurLed->ledActiveLowFail = pCurMap->ledActiveLowFail; - - switch (pCurLed->ledState) - { - case kLedStateOn: - pCurLed->blinkCountDown = 0; // reset the blink count down - ledOn(pCurLed); - break; - case kLedStateOff: - pCurLed->blinkCountDown = 0; // reset the blink count down - ledOff(pCurLed); - break; - case kLedStateFail: - pCurLed->blinkCountDown = 0; // reset the blink count down - ledOnFail(pCurLed); - break; - case kLedStateBlinkOnce: - pCurLed->blinkCountDown = 1; - needTimer = TRUE; - break; - case kLedStateSlowBlinkContinues: - pCurLed->blinkCountDown = kSlowBlinkCount; - needTimer = TRUE; - break; - case kLedStateFastBlinkContinues: - pCurLed->blinkCountDown = kFastBlinkCount; - needTimer = TRUE; - break; - default: - printk("Invalid state = %d\n", pCurLed->ledState); - } - - return( needTimer ); -} - -#if 0 /* BROKEN */ -// Determines if there is at least one interface in bridge mode. Bridge mode -// is determined by the cfm convention of naming bridge interfaces nas17 -// through nas24. -static int isBridgedProtocol(void) -{ - extern int dev_get(const char *name); - const int firstBridgeId = 17; - const int lastBridgeId = 24; - int i; - int ret = FALSE; - char name[16]; - - for( i = firstBridgeId; i <= lastBridgeId; i++ ) - { - sprintf( name, "nas%d", i ); - - if( dev_get(name) ) - { - ret = TRUE; - break; - } - } - - return(ret); -} -#endif - -// led ctrl. Maps the ledName to the corresponding ledInfoPtr and perform the led operation -void boardLedCtrl(BOARD_LED_NAME ledName, BOARD_LED_STATE ledState) -{ - PLED_INFO ledInfoPtr; - - // do the mapping from virtual to physical led - if( (int) ledName < MAX_VIRT_LEDS ) - ledInfoPtr = gpVirtLeds[(int) ledName]; - else - ledInfoPtr = NULL; - - if (ledInfoPtr == NULL) - return; - - if( ledState != kLedStateFail && gLedHwFunc[(int) ledName] ) - { - (*gLedHwFunc[(int) ledName]) (ledName, ledState); - ledOffFail(ledInfoPtr); - return; - } - else - if( ledState == kLedStateFail && gLedHwFailFunc[(int) ledName] ) - { - (*gLedHwFailFunc[(int) ledName]) (ledName, ledState); - ledOff(ledInfoPtr); - return; - } - -#if 0 /* BROKEN */ - // Do not blink the WAN Data LED if at least one interface is in bridge mode. - if(gLedOffInBridgeMode == 1 && (ledName == kLedWanData || ledName == kLedPPP)) - { - static int BridgedProtocol = -1; - - if( BridgedProtocol == -1 ) - BridgedProtocol = isBridgedProtocol(); - - if( BridgedProtocol == TRUE ) - return; - } -#endif - - // If the state is kLedStateFail and there is not a failure LED defined - // in the board parameters, change the state to kLedStateFastBlinkContinues. - if( ledState == kLedStateFail && ledInfoPtr->ledMaskFail == 0 ) - ledState = kLedStateFastBlinkContinues; - - switch (ledState) - { - case kLedStateOn: - // First, turn off the complimentary (failure) LED GPIO. - if( ledInfoPtr->ledMaskFail ) - ledOffFail(ledInfoPtr); - else - if( gLedHwFailFunc[(int) ledName] ) - (*gLedHwFailFunc[(int) ledName]) (ledName, kLedStateOff); - - // Next, turn on the specified LED GPIO. - ledOn(ledInfoPtr); - break; - - case kLedStateOff: - // First, turn off the complimentary (failure) LED GPIO. - if( ledInfoPtr->ledMaskFail ) - ledOffFail(ledInfoPtr); - else - if( gLedHwFailFunc[(int) ledName] ) - (*gLedHwFailFunc[(int) ledName]) (ledName, kLedStateOff); - - // Next, turn off the specified LED GPIO. - ledOff(ledInfoPtr); - break; - - case kLedStateFail: - // First, turn off the complimentary (normal) LED GPIO. - if( ledInfoPtr->ledMask ) - ledOff(ledInfoPtr); - else - if( gLedHwFunc[(int) ledName] ) - (*gLedHwFunc[(int) ledName]) (ledName, kLedStateOff); - - // Next, turn on (red) the specified LED GPIO. - ledOnFail(ledInfoPtr); - break; - - case kLedStateBlinkOnce: - // skip blinkOnce if it is already in Slow/Fast blink continues state - if (ledInfoPtr->savedLedState == kLedStateSlowBlinkContinues || - ledInfoPtr->savedLedState == kLedStateFastBlinkContinues) - ; - else - { - if (ledInfoPtr->blinkCountDown == 0) // skip the call if it is 1 - { - ledToggle(ledInfoPtr); - ledInfoPtr->blinkCountDown = 1; // it will be reset to 0 when timer expires - ledInfoPtr->ledState = kLedStateBlinkOnce; - ledTimerStart(); - } - } - break; - - case kLedStateSlowBlinkContinues: - ledInfoPtr->blinkCountDown = kSlowBlinkCount; - ledInfoPtr->ledState = kLedStateSlowBlinkContinues; - ledInfoPtr->savedLedState = kLedStateSlowBlinkContinues; - ledTimerStart(); - break; - - case kLedStateFastBlinkContinues: - ledInfoPtr->blinkCountDown = kFastBlinkCount; - ledInfoPtr->ledState = kLedStateFastBlinkContinues; - ledInfoPtr->savedLedState = kLedStateFastBlinkContinues; - ledTimerStart(); - break; - - default: - printk("Invalid led state\n"); - } -} - -// This function is called for an LED that is controlled by hardware. -void kerSysLedRegisterHwHandler( BOARD_LED_NAME ledName, - HANDLE_LED_FUNC ledHwFunc, int ledFailType ) -{ - if( (int) ledName < MAX_VIRT_LEDS ) - { - if( ledFailType == 1 ) - gLedHwFailFunc[(int) ledName] = ledHwFunc; - else - gLedHwFunc[(int) ledName] = ledHwFunc; - } -} - |