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Diffstat (limited to 'drivers/sk98lin/sktimer.c')
-rw-r--r--drivers/sk98lin/sktimer.c297
1 files changed, 0 insertions, 297 deletions
diff --git a/drivers/sk98lin/sktimer.c b/drivers/sk98lin/sktimer.c
deleted file mode 100644
index 37cd4c9..0000000
--- a/drivers/sk98lin/sktimer.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/******************************************************************************
- *
- * Name: sktimer.c
- * Project: GEnesis, PCI Gigabit Ethernet Adapter
- * Version: $Revision: 1.12 $
- * Date: $Date: 1999/11/22 13:38:51 $
- * Purpose: High level timer functions.
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * (C)Copyright 1998,1999 SysKonnect,
- * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
-
-/******************************************************************************
- *
- * History:
- *
- * $Log: sktimer.c,v $
- * Revision 1.12 1999/11/22 13:38:51 cgoos
- * Changed license header to GPL.
- *
- * Revision 1.11 1998/12/17 13:24:13 gklug
- * fix: restart problem: do NOT destroy timer queue if init 1 is done
- *
- * Revision 1.10 1998/10/15 15:11:36 gklug
- * fix: ID_sccs to SysKonnectFileId
- *
- * Revision 1.9 1998/09/15 15:15:04 cgoos
- * Changed TRUE/FALSE to SK_TRUE/SK_FALSE
- *
- * Revision 1.8 1998/09/08 08:47:55 gklug
- * add: init level handling
- *
- * Revision 1.7 1998/08/19 09:50:53 gklug
- * fix: remove struct keyword from c-code (see CCC) add typedefs
- *
- * Revision 1.6 1998/08/17 13:43:13 gklug
- * chg: Parameter will be union of 64bit para, 2 times SK_U32 or SK_PTR
- *
- * Revision 1.5 1998/08/14 07:09:14 gklug
- * fix: chg pAc -> pAC
- *
- * Revision 1.4 1998/08/07 12:53:46 gklug
- * fix: first compiled version
- *
- * Revision 1.3 1998/08/07 09:31:53 gklug
- * fix: delta spelling
- *
- * Revision 1.2 1998/08/07 09:31:02 gklug
- * adapt functions to new c coding conventions
- * rmv: "fast" handling
- * chg: inserting of new timer in queue.
- * chg: event queue generation when timer runs out
- *
- * Revision 1.1 1998/08/05 11:27:55 gklug
- * first version: adapted from SMT
- *
- *
- *
- *
- ******************************************************************************/
-
-
-#include <config.h>
-
-#ifdef CONFIG_SK98
-
-/*
- Event queue and dispatcher
-*/
-static const char SysKonnectFileId[] =
- "$Header: /usr56/projects/ge/schedule/sktimer.c,v 1.12 1999/11/22 13:38:51 cgoos Exp $" ;
-
-#include "h/skdrv1st.h" /* Driver Specific Definitions */
-#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */
-
-#ifdef __C2MAN__
-/*
- Event queue management.
-
- General Description:
-
- */
-intro()
-{}
-#endif
-
-
-/* Forward declaration */
-static void timer_done(SK_AC *pAC,SK_IOC Ioc,int Restart);
-
-
-/*
- * Inits the software timer
- *
- * needs to be called during Init level 1.
- */
-void SkTimerInit(
-SK_AC *pAC, /* Adapters context */
-SK_IOC Ioc, /* IoContext */
-int Level) /* Init Level */
-{
- switch (Level) {
- case SK_INIT_DATA:
- pAC->Tim.StQueue = 0 ;
- break;
- case SK_INIT_IO:
- SkHwtInit(pAC,Ioc) ;
- SkTimerDone(pAC, Ioc);
- break;
- default:
- break;
- }
-}
-
-/*
- * Stops a high level timer
- * - If a timer is not in the queue the function returns normally, too.
- */
-void SkTimerStop(
-SK_AC *pAC, /* Adapters context */
-SK_IOC Ioc, /* IoContext */
-SK_TIMER *pTimer) /* Timer Pointer to be started */
-{
- SK_TIMER **ppTimPrev ;
- SK_TIMER *pTm ;
-
- /*
- * remove timer from queue
- */
- pTimer->TmActive = SK_FALSE ;
- if (pAC->Tim.StQueue == pTimer && !pTimer->TmNext) {
- SkHwtStop(pAC,Ioc) ;
- }
- for (ppTimPrev = &pAC->Tim.StQueue ; (pTm = *ppTimPrev) ;
- ppTimPrev = &pTm->TmNext ) {
- if (pTm == pTimer) {
- /*
- * Timer found in queue
- * - dequeue it and
- * - correct delta of the next timer
- */
- *ppTimPrev = pTm->TmNext ;
-
- if (pTm->TmNext) {
- /* correct delta of next timer in queue */
- pTm->TmNext->TmDelta += pTm->TmDelta ;
- }
- return ;
- }
- }
-}
-
-/*
- * Start a high level software timer
- */
-void SkTimerStart(
-SK_AC *pAC, /* Adapters context */
-SK_IOC Ioc, /* IoContext */
-SK_TIMER *pTimer, /* Timer Pointer to be started */
-SK_U32 Time, /* Time value */
-SK_U32 Class, /* Event Class for this timer */
-SK_U32 Event, /* Event Value for this timer */
-SK_EVPARA Para) /* Event Parameter for this timer */
-{
- SK_TIMER **ppTimPrev ;
- SK_TIMER *pTm ;
- SK_U32 Delta ;
-
- Time /= 16 ; /* input is uS, clock ticks are 16uS */
- if (!Time)
- Time = 1 ;
-
- SkTimerStop(pAC,Ioc,pTimer) ;
-
- pTimer->TmClass = Class ;
- pTimer->TmEvent = Event ;
- pTimer->TmPara = Para ;
- pTimer->TmActive = SK_TRUE ;
-
- if (!pAC->Tim.StQueue) {
- /* First Timer to be started */
- pAC->Tim.StQueue = pTimer ;
- pTimer->TmNext = 0 ;
- pTimer->TmDelta = Time ;
- SkHwtStart(pAC,Ioc,Time) ;
- return ;
- }
-
- /*
- * timer correction
- */
- timer_done(pAC,Ioc,0) ;
-
- /*
- * find position in queue
- */
- Delta = 0 ;
- for (ppTimPrev = &pAC->Tim.StQueue ; (pTm = *ppTimPrev) ;
- ppTimPrev = &pTm->TmNext ) {
- if (Delta + pTm->TmDelta > Time) {
- /* Position found */
- /* Here the timer needs to be inserted. */
- break ;
- }
- Delta += pTm->TmDelta ;
- }
-
- /* insert in queue */
- *ppTimPrev = pTimer ;
- pTimer->TmNext = pTm ;
- pTimer->TmDelta = Time - Delta ;
-
- if (pTm) {
- /* There is a next timer
- * -> correct its Delta value.
- */
- pTm->TmDelta -= pTimer->TmDelta ;
- }
-
- /*
- * start new with first
- */
- SkHwtStart(pAC,Ioc,pAC->Tim.StQueue->TmDelta) ;
-}
-
-
-void SkTimerDone(
-SK_AC *pAC, /* Adapters context */
-SK_IOC Ioc) /* IoContext */
-{
- timer_done(pAC,Ioc,1) ;
-}
-
-
-static void timer_done(
-SK_AC *pAC, /* Adapters context */
-SK_IOC Ioc, /* IoContext */
-int Restart) /* Do we need to restart the Hardware timer ? */
-{
- SK_U32 Delta ;
- SK_TIMER *pTm ;
- SK_TIMER *pTComp ; /* Timer completed now now */
- SK_TIMER **ppLast ; /* Next field of Last timer to be deq */
- int Done = 0 ;
-
- Delta = SkHwtRead(pAC,Ioc) ;
- ppLast = &pAC->Tim.StQueue ;
- pTm = pAC->Tim.StQueue ;
- while (pTm && !Done) {
- if (Delta >= pTm->TmDelta) {
- /* Timer ran out */
- pTm->TmActive = SK_FALSE ;
- Delta -= pTm->TmDelta ;
- ppLast = &pTm->TmNext ;
- pTm = pTm->TmNext ;
- } else {
- /* We found the first timer that did not run out */
- pTm->TmDelta -= Delta ;
- Delta = 0 ;
- Done = 1 ;
- }
- }
- *ppLast = 0 ;
- /*
- * pTm points to the first Timer that did not run out.
- * StQueue points to the first Timer that run out.
- */
-
- for ( pTComp = pAC->Tim.StQueue ; pTComp ; pTComp = pTComp->TmNext) {
- SkEventQueue(pAC,pTComp->TmClass, pTComp->TmEvent,
- pTComp->TmPara) ;
- }
-
- /* Set head of timer queue to the first timer that did not run out */
- pAC->Tim.StQueue = pTm ;
-
- if (Restart && pAC->Tim.StQueue) {
- /* Restart HW timer */
- SkHwtStart(pAC,Ioc,pAC->Tim.StQueue->TmDelta) ;
- }
-}
-
-#endif /* CONFIG_SK98 */
-
-/* End of file */