diff options
Diffstat (limited to 'drivers/net/sk98lin/skgehwt.c')
| -rw-r--r-- | drivers/net/sk98lin/skgehwt.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/drivers/net/sk98lin/skgehwt.c b/drivers/net/sk98lin/skgehwt.c deleted file mode 100644 index ca08eb1..0000000 --- a/drivers/net/sk98lin/skgehwt.c +++ /dev/null @@ -1,215 +0,0 @@ -/****************************************************************************** - * - * Name: skgehwt.c - * Project: GEnesis, PCI Gigabit Ethernet Adapter - * Version: $Revision: 1.13 $ - * Date: $Date: 1999/11/22 13:31:12 $ - * Purpose: Hardware Timer. - * - ******************************************************************************/ - -/****************************************************************************** - * - * (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: skgehwt.c,v $ - * Revision 1.13 1999/11/22 13:31:12 cgoos - * Changed license header to GPL. - * - * Revision 1.12 1998/10/15 15:11:34 gklug - * fix: ID_sccs to SysKonnectFileId - * - * Revision 1.11 1998/10/08 15:27:51 gklug - * chg: correction factor is host clock dependent - * - * Revision 1.10 1998/09/15 14:18:31 cgoos - * Changed more BOOLEANs to SK_xxx - * - * Revision 1.9 1998/09/15 14:16:06 cgoos - * Changed line 107: FALSE to SK_FALSE - * - * Revision 1.8 1998/08/24 13:04:44 gklug - * fix: typo - * - * Revision 1.7 1998/08/19 09:50:49 gklug - * fix: remove struct keyword from c-code (see CCC) add typedefs - * - * Revision 1.6 1998/08/17 09:59:02 gklug - * fix: typos - * - * Revision 1.5 1998/08/14 07:09:10 gklug - * fix: chg pAc -> pAC - * - * Revision 1.4 1998/08/10 14:14:52 gklug - * rmv: unneccessary SK_ADDR macro - * - * Revision 1.3 1998/08/07 12:53:44 gklug - * fix: first compiled version - * - * Revision 1.2 1998/08/07 09:19:29 gklug - * adapt functions to the C coding conventions - * rmv unneccessary functions. - * - * Revision 1.1 1998/08/05 11:28:36 gklug - * first version: adapted from SMT/FDDI - * - * - * - * - ******************************************************************************/ - - -#include <config.h> - -/* - Event queue and dispatcher -*/ -static const char SysKonnectFileId[] = - "$Header: /usr56/projects/ge/schedule/skgehwt.c,v 1.13 1999/11/22 13:31:12 cgoos Exp $" ; - -#include "h/skdrv1st.h" /* Driver Specific Definitions */ -#include "h/skdrv2nd.h" /* Adapter Control- and Driver specific Def. */ - -#ifdef __C2MAN__ -/* - Hardware Timer function queue management. - - General Description: - - */ -intro() -{} -#endif - -/* - * Prototypes of local functions. - */ -#define SK_HWT_MAX (65000) - -/* correction factor */ -#define SK_HWT_FAC (1000 * (SK_U32)pAC->GIni.GIHstClkFact / 100) - -/* - * Initialize hardware timer. - * - * Must be called during init level 1. - */ -void SkHwtInit( -SK_AC *pAC, /* Adapters context */ -SK_IOC Ioc) /* IoContext */ -{ - pAC->Hwt.TStart = 0 ; - pAC->Hwt.TStop = 0 ; - pAC->Hwt.TActive = SK_FALSE ; - - SkHwtStop(pAC,Ioc) ; -} - -/* - * - * Start hardware timer (clock ticks are 16us). - * - */ -void SkHwtStart( -SK_AC *pAC, /* Adapters context */ -SK_IOC Ioc, /* IoContext */ -SK_U32 Time) /* Time in units of 16us to load the timer with. */ -{ - SK_U32 Cnt ; - - if (Time > SK_HWT_MAX) - Time = SK_HWT_MAX ; - - pAC->Hwt.TStart = Time ; - pAC->Hwt.TStop = 0L ; - - Cnt = Time ; - - /* - * if time < 16 us - * time = 16 us - */ - if (!Cnt) { - Cnt++ ; - } - - SK_OUT32(Ioc, B2_TI_INI, Cnt * SK_HWT_FAC) ; - SK_OUT16(Ioc, B2_TI_CRTL, TIM_START) ; /* Start timer. */ - - pAC->Hwt.TActive = SK_TRUE ; -} - -/* - * Stop hardware timer. - * and clear the timer IRQ - */ -void SkHwtStop( -SK_AC *pAC, /* Adapters context */ -SK_IOC Ioc) /* IoContext */ -{ - SK_OUT16(Ioc, B2_TI_CRTL, TIM_STOP) ; - SK_OUT16(Ioc, B2_TI_CRTL, TIM_CLR_IRQ) ; - - pAC->Hwt.TActive = SK_FALSE ; -} - - -/* - * Stop hardware timer and read time elapsed since last start. - * - * returns - * The elapsed time since last start in units of 16us. - * - */ -SK_U32 SkHwtRead( -SK_AC *pAC, /* Adapters context */ -SK_IOC Ioc) /* IoContext */ -{ - SK_U32 TRead ; - SK_U32 IStatus ; - - if (pAC->Hwt.TActive) { - SkHwtStop(pAC,Ioc) ; - - SK_IN32(Ioc, B2_TI_VAL, &TRead); - TRead /= SK_HWT_FAC; - - SK_IN32(Ioc, B0_ISRC, &IStatus); - - /* Check if timer expired (or wraparound). */ - if ((TRead > pAC->Hwt.TStart) || (IStatus & IS_TIMINT)) { - SkHwtStop(pAC,Ioc) ; - pAC->Hwt.TStop = pAC->Hwt.TStart ; - } else { - pAC->Hwt.TStop = pAC->Hwt.TStart - TRead ; - } - } - return (pAC->Hwt.TStop) ; -} - -/* - * interrupt source= timer - */ -void SkHwtIsr( -SK_AC *pAC, /* Adapters context */ -SK_IOC Ioc) /* IoContext */ -{ - SkHwtStop(pAC,Ioc); - pAC->Hwt.TStop = pAC->Hwt.TStart; - SkTimerDone(pAC,Ioc) ; -} -/* End of file */ |