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/******************************************************************************
** File Name: xxx_test.c
** Author: xxx
** Date: 22/08/2001
** Copyright: 2001 Spreadtrum, Incorporated. All Rights Reserved.
** Description: Module test entry template file.
**
**
*****************************************************************************
*****************************************************************************
** Edit History
**--------------------------------------------------------------------------*
** DATE NAME DESCRIPTION
** 22/08/2001 xxx Create.
*****************************************************************************/
/**---------------------------------------------------------------------------*
** Dependencies *
**---------------------------------------------------------------------------*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/types.h>
#include <linux/io.h>
#include <linux/lzo.h>
#include <soc/sprd/sci_glb_regs.h>
#include <soc/sprd/sci.h>
#include "sprd_zipenc_drv.h"
unsigned long REGS_ZIPENC_BASE=0;
void sprd_zipenc_reset(void)
{
u32 i;
sci_glb_set(REG_GLB_SET(REG_AP_AHB_AHB_RST),BIT_ZIPENC_SOFT_RST);
for(i=0;i<0x200;i++);
sci_glb_set(REG_GLB_CLR(REG_AP_AHB_AHB_RST),BIT_ZIPENC_SOFT_RST);
}
void sprd_zipenc_enable(int enable)
{
if(enable)
{
sci_glb_set(REG_GLB_SET(REG_AP_AHB_AHB_EB),BIT_ZIPENC_EB);
sci_glb_set(REG_GLB_SET(REG_AON_APB_APB_EB1),BIT_ZIP_EMC_EB);
}
else
{
sci_glb_set(REG_GLB_CLR(REG_AP_AHB_AHB_EB),BIT_ZIPENC_EB);
}
}
void ZipEnc_LengthLimitMode(u32 enable)
{
u32 reg_val;
reg_val=__raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
reg_val= enable ? (reg_val|ZIPENC_MODE) : (reg_val&~ZIPENC_MODE);
__raw_writel(reg_val,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
}
void ZipEnc_Run(void)
{
u32 reg_val;
reg_val = __raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
reg_val |= ZIPENC_RUN;
__raw_writel(reg_val,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
}
void ZipEnc_SetSrcCfg(unsigned long src_start_addr, u32 src_len)
{
__raw_writel(src_start_addr,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_IN_ADDR));
__raw_writel(src_len,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_IN_LEN));
}
void ZipEnc_SetDestCfg(unsigned long dest_start_addr,u32 dst_len)
{
__raw_writel(dest_start_addr,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_OUT_ADDR));
__raw_writel(dst_len,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_OUT_LEN));
}
void ZipEnc_In_Out_SwtMode(u32 inmode ,u32 outmode)
{
u32 reg_val;
reg_val = __raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
reg_val &= ~(ZIPENC_IN_SWT_MASK | ZIPENC_OUT_SWT_MASK);
reg_val |= (inmode<<ZIPENC_IN_SWT_SHIFT | outmode<<ZIPENC_OUT_SWT_SHIFT);
__raw_writel(reg_val,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
}
void ZipEnc_InQueue_Clr(void)
{
__raw_writel(ZIPENC_IN_QUEUE,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_IN_QUEUE_CLR));
}
void ZipEnc_OutQueue_Clr(void)
{
__raw_writel(ZIPENC_OUT_QUEUE,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_OUT_QUEUE_CLR));
}
u32 ZipEnc_Get_Comp_Len(void)
{
return (__raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_COMP_LEN))&ZIPENC_COMP_LEN_MASK);
}
u32 ZipEnc_Get_Ol_Sts(void)
{
return (__raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_COMP_STS))>>ZIPENC_OL_STS_SHIFT);
}
u32 ZipEnc_Get_Err_Sts(void)
{
return (__raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_COMP_STS))&ZIPENC_ERR_STS_MASK);
}
void ZipEnc_Set_Timeout(u32 timeout)
{
__raw_writel(timeout<<ZIPENC_TIME_OUT_NUM_SHIFT,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_TIME_OUT));
}
u32 ZipEnc_Get_Timeout_Flag(void)
{
return (__raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_TIME_OUT))>>ZIPENC_TIME_OUT_FLAG_SHIFT);
}
void ZipEnc_Restart(void)
{
sprd_zipenc_enable(0);
udelay(100);
sprd_zipenc_enable(1); // global enable dec
sprd_zipenc_reset();
__raw_writel(ZIPENC_EN,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
ZipEnc_In_Out_SwtMode(ZIPENC_SWITCH_MODE1,ZIPENC_SWITCH_MODE1);
ZipEnc_InQueue_Clr();
ZipEnc_OutQueue_Clr();
}
int Zip_Enc_Wait_Pool(ZIPENC_INT_TYPE num)
{
u32 int_sts;
while (1)
{
int_sts = __raw_readl((void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_INT_RAW));
if(int_sts&(0x1<<num))
{
__raw_writel(ZIPENC_DONE_CLR|ZIPENC_SEG_DONE_CLR|ZIPENC_TIMEOUT_CLR,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_INT_CLR));
break;
}
if(int_sts&(0x1<<ZIPENC_TIMEOUT_INT))
{
__raw_writel(ZIPENC_DONE_CLR|ZIPENC_SEG_DONE_CLR|ZIPENC_TIMEOUT_CLR,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_INT_CLR));
printk("zip enc timeout:0x%x\n",int_sts);
return -1;
}
}
return 0;
}
static int __init sprd_zipenc_probe(struct platform_device *pdev)
{
struct resource *regs;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(&pdev->dev, "zipenc get io resource failed!\n");
return -ENODEV;
}
REGS_ZIPENC_BASE = (unsigned long)ioremap_nocache(regs->start,resource_size(regs));
if (!REGS_ZIPENC_BASE){
dev_err(&pdev->dev, "zipenc get base address failed!\n");
return -ENODEV;
}
//dev_info(&pdev->dev, "probe zipenc get regbase 0x%lx\n",REGS_ZIPENC_BASE);
#if 0
irq_num = platform_get_irq(pdev, 0);
if (irq_num < 0) {
dev_err(&pdev->dev, "zipenc get irq resource failed!\n");
return irq_num;
}
dev_info(&pdev->dev, "probe zipenc get irq num %d\n",irq_num);
#endif
sprd_zipenc_enable(1); // global enable dec
sprd_zipenc_reset();
__raw_writel(ZIPENC_EN,(void __iomem*)(REGS_ZIPENC_BASE+ZIPENC_CTRL));
ZipEnc_In_Out_SwtMode(ZIPENC_SWITCH_MODE1,ZIPENC_SWITCH_MODE1);
ZipEnc_InQueue_Clr();
ZipEnc_OutQueue_Clr();
return 0;
}
static void sprd_zipenc_remove(void)
{
sprd_zipenc_enable(0);
}
static const struct of_device_id sprd_zipenc_of_match[] = {
{ .compatible = "sprd,sprd-zipenc", },
{ /* sentinel */ }
};
static struct platform_driver sprd_zipenc_driver = {
.driver = {
.name = "sprd zipenc",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(sprd_zipenc_of_match),
},
.probe = sprd_zipenc_probe,
.remove = __exit_p(sprd_zipenc_remove),
};
static int __init sprd_zipenc_init(void)
{
return platform_driver_register(&sprd_zipenc_driver);
}
subsys_initcall(sprd_zipenc_init);
static void __exit sprd_zipenc_exit(void)
{
platform_driver_unregister(&sprd_zipenc_driver);
}
module_exit(sprd_zipenc_exit);
MODULE_DESCRIPTION("SpreadTrum ZIPENC Controller driver");
MODULE_AUTHOR("SPRD");
MODULE_LICENSE("GPL");
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