unplugged-kernel/drivers/misc/mediatek/lens/mtk/main/common/lc898212xdaf/AfSTMV.c

86 lines
2.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include "AfSTMV.h"
#include "AfDef.h"
#define ABS_STMV(x) ((x) < 0 ? -(x) : (x))
#define LC898211_fs 234375
static struct stSmvPar StSmvPar;
void StmvSet(struct stSmvPar StSetSmv)
{
unsigned char UcSetEnb;
unsigned char UcSetSwt;
unsigned short UsParSiz;
unsigned char UcParItv;
short SsParStt; /* StepMove Start Position */
StSmvPar.UsSmvSiz = StSetSmv.UsSmvSiz;
StSmvPar.UcSmvItv = StSetSmv.UcSmvItv;
StSmvPar.UcSmvEnb = StSetSmv.UcSmvEnb;
RegWriteA(AFSEND_211, 0x00); /* StepMove Enable Bit Clear */
RegReadA(ENBL_211, &UcSetEnb);
UcSetEnb &= (unsigned char)0xFD;
RegWriteA(ENBL_211, UcSetEnb); /* Measuremenet Circuit1 Off */
RegReadA(SWTCH_211, &UcSetSwt);
UcSetSwt &= (unsigned char)0x7F;
RegWriteA(SWTCH_211, UcSetSwt); /* RZ1 Switch Cut Off */
RamReadA(RZ_211H, (unsigned short *)&SsParStt); /* Get Start Position */
UsParSiz = StSetSmv.UsSmvSiz; /* Get StepSize */
UcParItv = StSetSmv.UcSmvItv; /* Get StepInterval */
RamWriteA(ms11a_211H, (unsigned short)0x0800);
RamWriteA(MS1Z22_211H,
(unsigned short)SsParStt); /* Set Start Position */
RamWriteA(MS1Z12_211H, UsParSiz); /* Set StepSize */
RegWriteA(STMINT_211, UcParItv); /* Set StepInterval */
UcSetSwt |= (unsigned char)0x80;
RegWriteA(SWTCH_211, UcSetSwt); /* RZ1 Switch ON */
}
unsigned char StmvTo(short SsSmvEnd)
{
unsigned short UsSmvDpl;
short SsParStt; /* StepMove Start Position */
/* PIOA_SetOutput(_PIO_PA29); // Monitor I/O Port */
RamReadA(RZ_211H, (unsigned short *)&SsParStt); /* Get Start Position */
UsSmvDpl = ABS_STMV(SsParStt - SsSmvEnd);
if ((UsSmvDpl <= StSmvPar.UsSmvSiz) &&
((StSmvPar.UcSmvEnb & STMSV_ON) == STMSV_ON)) {
if (StSmvPar.UcSmvEnb & STMCHTG_ON)
RegWriteA(MSSET_211,
INI_MSSET_211 | (unsigned char)0x01);
RamWriteA(MS1Z22_211H,
SsSmvEnd); /* Handling Single Step For ES1 */
StSmvPar.UcSmvEnb |= STMVEN_ON;
} else {
if (SsParStt < SsSmvEnd) { /* Check StepMove Direction */
RamWriteA(MS1Z12_211H, StSmvPar.UsSmvSiz);
} else if (SsParStt > SsSmvEnd) {
RamWriteA(MS1Z12_211H, -StSmvPar.UsSmvSiz);
}
RamWriteA(STMVENDH_211,
SsSmvEnd); /* Set StepMove Target Position */
StSmvPar.UcSmvEnb |= STMVEN_ON;
RegWriteA(STMVEN_211, StSmvPar.UcSmvEnb); /* Start StepMove */
}
return 0;
}