📄 docsoc.c
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/*
* $Log: V:/Flite/archives/TrueFFS5/Src/DOCSOC.C_V $
*
* Rev 1.5 Jan 17 2002 22:59:06 oris
* mtdVars for DiskOnChip MTD were moved from diskonc.c and mdocplus.c to save RAM.
* Added include for NANDDEFS.H
*
* Rev 1.4 Jun 17 2001 16:39:10 oris
* Improved documentation and remove warnings.
*
* Rev 1.3 Apr 10 2001 16:41:46 oris
* Restored all DiskOnChip socket routines from flsocket.c
*
* Rev 1.2 Apr 09 2001 14:59:50 oris
* Added an empty routine to avoid warnings.
*
* Rev 1.1 Apr 01 2001 07:44:38 oris
* Updated copywrite notice
*
* Rev 1.0 Feb 02 2001 13:26:30 oris
* Initial revision.
*
*/
/***********************************************************************************/
/* M-Systems Confidential */
/* Copyright (C) M-Systems Flash Disk Pioneers Ltd. 1995-2001 */
/* All Rights Reserved */
/***********************************************************************************/
/* NOTICE OF M-SYSTEMS OEM */
/* SOFTWARE LICENSE AGREEMENT */
/* */
/* THE USE OF THIS SOFTWARE IS GOVERNED BY A SEPARATE LICENSE */
/* AGREEMENT BETWEEN THE OEM AND M-SYSTEMS. REFER TO THAT AGREEMENT */
/* FOR THE SPECIFIC TERMS AND CONDITIONS OF USE, */
/* OR CONTACT M-SYSTEMS FOR LICENSE ASSISTANCE: */
/* E-MAIL = info@m-sys.com */
/***********************************************************************************/
#include "flsocket.h"
#include "nanddefs.h"
NFDC21Vars docMtdVars[SOCKETS];
/************************************************************************/
/* */
/* Beginning of controller-customizable code */
/* */
/* The function prototypes and interfaces in this section are standard */
/* and are used in this form by the non-customizable code. However, the */
/* function implementations are specific to the 82365SL controller. */
/* */
/* You should replace the function bodies here with the implementation */
/* that is appropriate for your controller. */
/* */
/* All the functions in this section have no parameters. This is */
/* because the parameters needed for an operation may be themselves */
/* dependent on the controller. Instead, you should use the value in */
/* the 'vol' structure as parameters. */
/* If you need socket-state variables specific to your implementation, */
/* it is recommended to add them to the 'vol' structure rather than */
/* define them as separate static variables. */
/* */
/************************************************************************/
/************************************************************************/
/* c a r d D e t e c t e d */
/* */
/* Detect if a card is present (inserted) */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/* Returns: */
/* 0 = card not present, other = card present */
/************************************************************************/
static FLBoolean cardDetected(FLSocket vol)
{
return TRUE;
}
/************************************************************************/
/* V c c O n */
/* */
/* Turns on Vcc (3.3/5 Volts). Vcc must be known to be good on exit. */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/************************************************************************/
static void VccOn(FLSocket vol)
{
}
/************************************************************************/
/* V c c O f f */
/* */
/* Turns off Vcc. */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/************************************************************************/
static void VccOff(FLSocket vol)
{
}
#ifdef SOCKET_12_VOLTS
/************************************************************************/
/* V p p O n */
/* */
/* Turns on Vpp (12 Volts. Vpp must be known to be good on exit.) */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/* Returns: */
/* FLStatus : 0 on success, failed otherwise */
/************************************************************************/
static FLStatus VppOn(FLSocket vol)
{
return flOK;
}
/************************************************************************/
/* V p p O f f */
/* */
/* Turns off Vpp. */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/************************************************************************/
static void VppOff(FLSocket vol)
{
}
#endif /* SOCKET_12_VOLTS */
/************************************************************************/
/* i n i t S o c k e t */
/* */
/* Perform all necessary initializations of the socket or controller */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/* Returns: */
/* FLStatus : 0 on success, failed otherwise */
/************************************************************************/
static FLStatus initSocket(FLSocket vol)
{
return flOK;
}
/************************************************************************/
/* s e t W i n d o w */
/* */
/* Sets in hardware all current window parameters: Base address, size, */
/* speed and bus width. */
/* The requested settings are given in the 'vol.window' structure. */
/* */
/* If it is not possible to set the window size requested in */
/* 'vol.window.size', the window size should be set to a larger value, */
/* if possible. In any case, 'vol.window.size' should contain the */
/* actual window size (in 4 KB units) on exit. */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/************************************************************************/
static void setWindow(FLSocket vol)
{
}
/************************************************************************/
/* s e t M a p p i n g C o n t e x t */
/* */
/* Sets the window mapping register to a card address. */
/* */
/* The window should be set to the value of 'vol.window.currentPage', */
/* which is the card address divided by 4 KB. An address over 128KB, */
/* (page over 32K) specifies an attribute-space address. */
/* */
/* The page to map is guaranteed to be on a full window-size boundary. */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* page : page to map */
/* */
/************************************************************************/
static void setMappingContext(FLSocket vol, unsigned page)
{
}
/************************************************************************/
/* g e t A n d C l e a r C a r d C h a n g e I n d i c a t o r */
/* */
/* Returns the hardware card-change indicator and clears it if set. */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/* Returns: */
/* 0 = Card not changed, other = card changed */
/************************************************************************/
static FLBoolean getAndClearCardChangeIndicator(FLSocket vol)
{
/* Note: On the 365, the indicator is turned off by the act of reading */
return FALSE;
}
/************************************************************************/
/* w r i t e P r o t e c t e d */
/* */
/* Returns the write-protect state of the media */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/* Returns: */
/* 0 = not write-protected, other = write-protected */
/************************************************************************/
static FLBoolean writeProtected(FLSocket vol)
{
return FALSE;
}
#ifdef EXIT
/************************************************************************/
/* f r e e S o c k e t */
/* */
/* Free resources that were allocated for this socket. */
/* This function is called when TrueFFS exits. */
/* */
/* Parameters: */
/* vol : Pointer identifying drive */
/* */
/************************************************************************/
static void freeSocket(FLSocket vol)
{
freePointer(vol.window.base,vol.window.size);
}
#endif /* EXIT */
void docSocketInit(FLSocket vol)
{
vol.cardDetected = cardDetected;
vol.VccOn = VccOn;
vol.VccOff = VccOff;
#ifdef SOCKET_12_VOLTS
vol.VppOn = VppOn;
vol.VppOff = VppOff;
#endif
vol.initSocket = initSocket;
vol.setWindow = setWindow;
vol.setMappingContext = setMappingContext;
vol.getAndClearCardChangeIndicator = getAndClearCardChangeIndicator;
vol.writeProtected = writeProtected;
vol.updateSocketParams = NULL /* updateSocketParameters */;
#ifdef EXIT
vol.freeSocket = freeSocket;
#endif
}
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