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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_zipdec_drv.h"
unsigned long REGS_ZIPDEC_BASE = 0;
void sprd_zipmatrix_reset(void)
{
u32 i;
sci_glb_set(REG_GLB_SET(REG_AP_AHB_AHB_RST),BIT_ZIP_MTX_SOFT_RST|BIT_ZIPDEC_SOFT_RST);
for(i=0;i<0x200;i++);
sci_glb_set(REG_GLB_CLR(REG_AP_AHB_AHB_RST),BIT_ZIP_MTX_SOFT_RST|BIT_ZIPDEC_SOFT_RST);
}
void sprd_zipdec_reset(void)
{
u32 i;
sci_glb_set(REG_GLB_SET(REG_AP_AHB_AHB_RST),BIT_ZIPDEC_SOFT_RST);
for(i=0;i<0x200;i++);
sci_glb_set(REG_GLB_CLR(REG_AP_AHB_AHB_RST),BIT_ZIPDEC_SOFT_RST);
}
void sprd_zipdec_enable(u32 enable)
{
if(enable)
{
sci_glb_set(REG_GLB_SET(REG_AP_AHB_AHB_EB),BIT_ZIPDEC_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_ZIPDEC_EB);
//sci_glb_set(REG_GLB_CLR(REG_AON_APB_APB_EB1),BIT_ZIP_EMC_EB);
}
}
void ZipDec_Run(void)
{
u32 reg_val;
reg_val = __raw_readl((void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
reg_val |= ZIPDEC_RUN;
__raw_writel(reg_val,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
}
void ZipDec_In_Out_SwtMode(u32 Inmode,u32 Outmode)
{
u32 reg_val;
reg_val = __raw_readl((void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
reg_val &= ~(ZIPDEC_IN_SWT_MASK|ZIPDEC_OUT_SWT_MASK);
reg_val |= (Inmode<<ZIPDEC_IN_SWT_SHIFT | Outmode<<ZIPDEC_OUT_SWT_SHIFT);
__raw_writel(reg_val,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
}
void ZipDec_QueueEnable(u32 enable)
{
u32 reg_val;
reg_val = __raw_readl((void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
reg_val = enable ? (reg_val|ZIPDEC_QUEUE_EN): (reg_val&~ZIPDEC_QUEUE_EN);
__raw_writel(reg_val,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
}
void ZipDec_QueueLength(u32 length)
{
u32 reg_val;
reg_val = __raw_readl((void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
reg_val &= ~ZIPDEC_QUEUE_LEN_MASK;
reg_val |= length <<ZIPDEC_QUEUE_LEN_SHIFT;
__raw_writel(reg_val,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
}
void ZipDec_Set_Timeout(u32 timeout)
{
__raw_writel(timeout,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_TIME_OUT));
}
void ZipDec_SetSrcCfg(u32 num,unsigned long src_start_addr, u32 src_len)
{
__raw_writel(src_start_addr,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_IN_ADDR+4*num));
__raw_writel(src_len,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_IN_LEN+4*num));
}
void ZipDec_SetDestCfg(u32 num,unsigned long dest_start_addr,u32 dst_len)
{
__raw_writel(dest_start_addr,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_OUT_ADDR+4*num));
__raw_writel(dst_len,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_OUT_LEN+4*num));
}
void ZipDec_Restart(void)
{
sprd_zipdec_enable(0);
udelay(100);
sprd_zipdec_enable(1);
sprd_zipdec_reset();
__raw_writel(ZIPDEC_EN,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
}
int Zip_Dec_Wait_Pool(ZIPDEC_INT_TYPE num)
{
u32 int_sts;
while (1)
{
int_sts = __raw_readl((void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_INT_RAW));
if(int_sts&(0x1<<ZIPDEC_TIMEOUT_INT))
{
__raw_writel(0xFF,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_INT_CLR));
//printk("zip dec timeout: 0x%x \n", int_sts);
//printk("ZIPDEC_STS0:0x%x\n",CHIP_REG_GET(ZIPDEC_STS0));
//printk("ZIPDEC_STS1:0x%x\n",CHIP_REG_GET(ZIPDEC_STS1));
//printk("ZIPDEC_STS2:0x%x\n",CHIP_REG_GET(ZIPDEC_STS2));
//printk("ZIPDEC_STS3:0x%x\n",CHIP_REG_GET(ZIPDEC_STS3));
//printk("ZIPDEC_STS4:0x%x\n",CHIP_REG_GET(ZIPDEC_STS4));
return -1;
}
if(int_sts&0x1e)
{
__raw_writel(0xFF,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_INT_CLR));
//printk("zip dec err: 0x%x \n", int_sts);
//printk("ZIPDEC_STS0:0x%x\n",CHIP_REG_GET(ZIPDEC_STS0));
//printk("ZIPDEC_STS1:0x%x\n",CHIP_REG_GET(ZIPDEC_STS1));
//printk("ZIPDEC_STS2:0x%x\n",CHIP_REG_GET(ZIPDEC_STS2));
//printk("ZIPDEC_STS3:0x%x\n",CHIP_REG_GET(ZIPDEC_STS3));
//printk("ZIPDEC_STS4:0x%x\n",CHIP_REG_GET(ZIPDEC_STS4));
return -1;
}
if(int_sts&(0x1<<num))
{
__raw_writel(0xFF,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_INT_CLR));
break;
}
}
return 0;
}
static int __init sprd_zipdec_probe(struct platform_device *pdev)
{
struct resource *regs;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(&pdev->dev, "zipdec get io resource failed!\n");
return -ENODEV;
}
REGS_ZIPDEC_BASE = (unsigned long)ioremap_nocache(regs->start,resource_size(regs));
if (!REGS_ZIPDEC_BASE){
dev_err(&pdev->dev, "zipdec get base address failed!\n");
return -ENODEV;
}
//dev_info(&pdev->dev, "probe zipdec get regbase 0x%lx\n",REGS_ZIPDEC_BASE);
#if 0
irq_num = platform_get_irq(pdev, 0);
if (irq_num < 0) {
dev_err(&pdev->dev, "zipdec get irq resource failed!\n");
return irq_num;
}
dev_info(&pdev->dev, "probe zipdec get irq num %d\n",irq_num);
#endif
sprd_zipdec_enable(1); // global enable dec
sprd_zipdec_reset();
__raw_writel(ZIPDEC_EN,(void __iomem*)(REGS_ZIPDEC_BASE+ZIPDEC_CTRL));
return 0;
}
static void sprd_zipdec_remove(void)
{
sprd_zipdec_enable(0);
}
static const struct of_device_id sprd_zipdec_of_match[] = {
{ .compatible = "sprd,sprd-zipdec", },
{ /* sentinel */ }
};
static struct platform_driver sprd_zipdec_driver = {
.driver = {
.name = "sprd zipdec",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(sprd_zipdec_of_match),
},
.probe = sprd_zipdec_probe,
.remove = __exit_p(sprd_zipdec_remove),
};
static int __init sprd_zipdec_init(void)
{
return platform_driver_register(&sprd_zipdec_driver);
}
subsys_initcall(sprd_zipdec_init);
static void __exit sprd_zipdec_exit(void)
{
platform_driver_unregister(&sprd_zipdec_driver);
}
module_exit(sprd_zipdec_exit);
MODULE_DESCRIPTION("SpreadTrum ZIPDEC Controller driver");
MODULE_AUTHOR("SPRD");
MODULE_LICENSE("GPL");
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