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#ifndef __MAIN_H__
#define __MAIN_H__
//****************************************************************************
// Copyright (C) 2000-2004 ARW Elektronik Germany
//
//
// 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.
//
// This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// This product is not authorized for use as critical component in
// life support systems without the express written approval of
// ARW Elektronik Germany.
//
// Please announce changes and hints to ARW Elektronik
//
// Maintainer(s): Klaus Hitschler (klaus.hitschler@gmx.de)
//
//****************************************************************************
//****************************************************************************
//
// main.h -- export parts of main.c
//
// $Log: main.h,v $
// Revision 1.7 2004/08/13 19:23:26 klaus
// conversion to kernel-version 2.6, released version 3.0
//
// Revision 1.6 2003/06/27 17:25:52 klaus
// incomplete try to get mmap() with nopage() running for automatic page switch
//
// Revision 1.5 2002/10/18 21:56:28 klaus
// completed functional features, untested
//
// Revision 1.4 2002/10/18 21:56:28 klaus
// completed functional features, untested
//
// Revision 1.3 2002/10/10 18:57:46 klaus
// source beautyfied
//
//****************************************************************************
/*--- INCLUDES ----------------------------------------------------------------------------*/
#include <linux/wait.h>
#include <linux/types.h>
#include <linux/list.h>
/*--- DEFINES -----------------------------------------------------------------------------*/
#define DEVICE_NAME "pcivme"
#define LOW_MEMORY 0x1000000 // 1 Mbyte PC memory border
#define LCR_SPACE 0x0080 // space in bytes of LCR
#define IFR_SPACE 0x2000 // space in bytes of IFR
#define CTL_SPACE 0x1000 // lower part of IFR_SPACE
#define VME_SPACE (IFR_SPACE - CTL_SPACE) // higher part of IFR_SPACE used for VME window
#define RELEASE_VMEMM (u16)0x4180 // write this to release access ..
#define INHIBIT_VMEMM (u16)0x4080 // write this to inhibit access ..
#define ENABLE_PCIADA_IRQS (u16)0x0049 // enable PCIADA IRQs
#define DISABLE_PCIADA_IRQS (u16)0x0009 // disable PCIADA IRQs
/*--- TYPEDEFS ----------------------------------------------------------------------------*/
typedef struct
{
struct list_head devList; // link anchor for list of devices
struct list_head pciList; // link anchor of all unchecked PCIADAs found
u32 nMajor; // asigned major number
int count; // count of found devices
} DRIVER_OBJ;
typedef struct
{
struct list_head list; // chained list of found and not checked devices
struct pci_dev *pciDev; // associated pci descriptors of the system
u16 index;
} PCIConfig;
typedef struct
{
struct vm_area_struct *vma;
struct page *pageptr; // the current active pageptr
unsigned long addr; // related user address
} MMAP_INFO;
typedef struct
{
struct list_head list; /* chain element of list */
u16 wIndex; /* running index of all PCIADAs */
PCIConfig *pPch; /* associated PCI configuration */
u32 pLCR; /* base of LCR */
u32 pCtl; /* base of control area */
u32 pVME; /* base of VME access area */
u32 pPhysVME; /* physical address of VME window */
u8 bConnected; /* is it connected ?? */
u16 wInitStep; /* trace of initialisation */
u16 wIrq; /* the assigned irq */
u32 dwInterruptCount; /* counts the VME and timeout interrupts */
u16 wIrqStatus; /* last cause / status of interrupts */
int nOpenCounter; /* counts the open path to this device */
wait_queue_head_t event_queue; /* handle interrupt events */
u32 pAdrMod; /* address of address modifier register in VIC */
u32 pAdrReg; /* address of VMEMM VME address register */
u32 pCSR; /* address of the VMEMM CSR register */
u32 pPCIADACntrl; /* address of the PCIADA control register */
u32 pPCIADAIntCSR; /* address of the PCIADA INTCSR register */
u8 cModuleNumber; /* module number */
u8 cFPGAVersion; /* FPGA Version number */
u8 cSystemController; /* set if VMEMM is system controller */
u8 cWordMode; /* set if VMEMM is jumpered to word mode */
u8 bCurrentModifier; /* the current set address modifier of this device */
u32 dwCurrentPageAddress; /* the current page address association */
MMAP_INFO currentMap; /* information about current mapped page */
} DEVICE_OBJ;
typedef struct
{
DEVICE_OBJ *pDo; /* pointer to my PCIADA & connected VMEMM */
u8 bModifier; /* the associated address modifier of this device */
u8 bAccessType; /* the next access is byte, word, longword - not for memory mapped access */
u8 bIncrement; /* the next increment, normally like accesstype or 0*/
void (*read)(DEVICE_OBJ*, void**, u32); /* predifined read function */
void (*write)(DEVICE_OBJ*, u32, void**); /* same for write */
int (*AlignmentCheck)(loff_t offset); /* function to check access alignment */
} PATH_OBJ;
/*--- PROTOTYPES --------------------------------------------------------------------------*/
int get_module_info(DEVICE_OBJ *pd);
int test_connection(DEVICE_OBJ *pd);
/*--- PROTOTYPES --------------------------------------------------------------------------*/
extern DRIVER_OBJ drv; /* driver globals */
#endif // __MAIN_H__