122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/*****************************************************************************
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*
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* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
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* ALL RIGHTS RESERVED.
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*
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******************************************************************************
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*
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* FILE: \SE\DRIVER\Q117CD\SRC\0X1104B.C
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*
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* FUNCTION: cqd_EnablePerpendicularMode
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*
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* PURPOSE:
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*
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* HISTORY:
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* $Log: J:\se.vcs\driver\q117cd\src\0x1104b.c $
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*
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* Rev 1.1 11 Nov 1993 15:21:06 KEVINKES
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* Changed calls to cqd_inp and cqd_outp to kdi_ReadPort and kdi_WritePort.
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* Modified the parameters to these calls. Changed FDC commands to be
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* defines.
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*
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* Rev 1.0 08 Nov 1993 14:07:46 KEVINKES
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* Initial Revision.
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*
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*****************************************************************************/
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#define FCT_ID 0x1104b
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#include "include\public\adi_api.h"
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#include "include\public\frb_api.h"
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#include "include\private\kdi_pub.h"
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#include "include\private\cqd_pub.h"
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#include "q117cd\include\cqd_defs.h"
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#include "q117cd\include\cqd_strc.h"
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#include "q117cd\include\cqd_hdr.h"
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/*endinclude*/
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dStatus cqd_EnablePerpendicularMode
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(
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/* INPUT PARAMETERS: */
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CqdContextPtr cqd_context,
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dBoolean enable_perp_mode
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/* UPDATE PARAMETERS: */
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/* OUTPUT PARAMETERS: */
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)
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/* COMMENTS: *****************************************************************
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*
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* DEFINITIONS: *************************************************************/
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{
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/* DATA: ********************************************************************/
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dStatus status=ERR_NO_ERR; /* Status or error condition.*/
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PerpMode perp_mode;
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/* CODE: ********************************************************************/
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if (cqd_context->device_descriptor.drive_class == QIC3020_DRIVE) {
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perp_mode.command = FDC_CMD_PERP_MODE;
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perp_mode.perp_setup = cqd_context->device_cfg.perp_mode_select;
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perp_mode.perp_setup <<= PERP_SELECT_SHIFT;
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perp_mode.perp_setup |= PERP_OVERWRITE_ON;
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if (enable_perp_mode) {
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/* Enable Perpendicular Mode */
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if (!cqd_context->controller_data.perpendicular_mode) {
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perp_mode.perp_setup |= PERP_WGATE_ON;
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perp_mode.perp_setup |= PERP_GAP_ON;
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if ((status = cqd_ProgramFDC(
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cqd_context,
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(dUByte *)&perp_mode,
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sizeof(perp_mode),
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dFALSE)) != DONT_PANIC) {
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cqd_ResetFDC(cqd_context);
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cqd_PauseTape(cqd_context);
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} else {
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cqd_context->controller_data.perpendicular_mode = dTRUE;
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}
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}
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} else {
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/* Disable Perpendicular Mode */
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if (cqd_context->controller_data.perpendicular_mode) {
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perp_mode.perp_setup &= ~PERP_WGATE_ON;
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perp_mode.perp_setup &= ~PERP_GAP_ON;
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if ((status = cqd_ProgramFDC(
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cqd_context,
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(dUByte *)&perp_mode,
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sizeof(perp_mode),
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dFALSE)) != DONT_PANIC) {
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cqd_ResetFDC(cqd_context);
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cqd_PauseTape(cqd_context);
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return status;
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}
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cqd_context->controller_data.perpendicular_mode = dFALSE;
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}
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}
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}
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return status;
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}
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