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/******************************************************************************
** File Name: *
** Author: *
** DATE: *
** Copyright: Spreatrum, Incoporated. All Rights Reserved. *
** Description: *
******************************************************************************
******************************************************************************
** Edit History *
** ------------------------------------------------------------------------- -*
** DATE NAME DESCRIPTION *
** *
******************************************************************************/
/**---------------------------------------------------------------------------*
** Dependencies *
**--------------------------------------------------------------------------- */
#ifndef STATIC
#include <linux/module.h>
#include <linux/kernel.h>
#endif
#include <linux/interrupt.h>
#include <linux/lzo.h>
#include <linux/poll.h>
#include <linux/sched.h>
#include <linux/delay.h>
#include <asm/page.h>
#include <asm/cacheflush.h>
#include <asm/io.h>
#include "sprd_zipdec_drv.h"
//#include "lzodefs_hw.h"
//#include <linux/spinlock_types.h>
#include <linux/sched.h>
#include <linux/atomic.h>
//#include <mach/sci.h>
u32 lzo1x_virt_to_phys(u32 virt_addr);
DEFINE_SPINLOCK(zipdec_lock);
static int _lzo1x_decompress_single(u32 src_addr , u32 src_num , u32 dst_addr , u32 *dst_len )
{
u32 phy_src_addr,phy_dst_addr;
*dst_len=0;
phy_src_addr = lzo1x_virt_to_phys(src_addr);
phy_dst_addr = lzo1x_virt_to_phys(dst_addr);
if((phy_src_addr==(-1UL))||(phy_dst_addr==(-1UL))){
printk("lzo1x phy addr errors \n");
return -1;
}
spin_lock(&zipdec_lock);
ZipDec_SetSrcCfg(0 , phy_src_addr, src_num);
ZipDec_SetDestCfg(0, phy_dst_addr, ZIP_WORK_LENGTH);
// dmac_flush_range((void *)(src_addr),(void *)(src_addr+src_num));
// dmac_flush_range((void *)dst_addr,(void *)(dst_addr+ZIP_WORK_LENGTH));
ZipDec_Run();
spin_unlock(&zipdec_lock);
if(Zip_Dec_Wait_Pool(ZIPDEC_DONE_INT))
{
return -1;
}
*dst_len=ZIP_WORK_LENGTH;
return 0;
}
int lzo1x_decompress_safe_hw(const unsigned char *src , size_t src_len , unsigned char *dst , size_t *dst_len)
{
u32 dec_len;
//uint32_t src_addr =(uint32_t)src;
//uint32_t dst_addr =(uint32_t)dst;
if (!dst || !dst_len || !src || !src_len ||(src_len > PAGE_SIZE)) return LZO_HW_IN_PARA_ERROR;
//printk("lzo hw decompress\r\n");
//if(_lzo1x_decompress_single((u32)src_addr ,src_len , dst_addr ,&dec_len))
if(_lzo1x_decompress_single((u32)src ,(u32)src_len ,(u32)dst ,&dec_len))
{
*dst_len = dec_len;
ZipDec_Restart();
return LZO_HW_ERROR;
}
*dst_len = ZIP_WORK_LENGTH;
return LZO_HW_OK;
}
EXPORT_SYMBOL_GPL(lzo1x_decompress_safe_hw);
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