79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
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#ifndef __HI_IO_H__
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#define __HI_IO_H__
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#include "hi_type.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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/* user and kernel are different. */
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HI_U8 IO_READ8(HI_U32 u32Addr);
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HI_S32 IO_WRITE8(HI_U32 u32Addr, HI_U32 u32Value);
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HI_U16 IO_READ16(HI_U32 u32Addr);
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HI_S32 IO_WRITE16(HI_U32 u32Addr, HI_U32 u32Value);
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HI_U32 IO_READ32(HI_U32 u32Addr);
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HI_S32 IO_WRITE32(HI_U32 u32Addr, HI_U32 u32Value);
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HI_U32 ISP_Mmap(void);
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HI_U32 ISP_Munmap(void);
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HI_U32 ISP_GetExtRegAddr(void);
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//HI_VOID HI_RegSetBitEx(unsigned long value, unsigned long offset,
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// unsigned long length, unsigned long addr);
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//HI_VOID HI_RegRead(unsigned long *pvalue, unsigned long addr);
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static __inline HI_VOID HI_RegWrite32(unsigned long value, unsigned long mask,
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HI_U32 addr)
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{
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unsigned long t;
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t = readl(addr);
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t &= ~mask;
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t |= value & mask;
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writel(t, addr);
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}
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static __inline HI_VOID HI_RegSetBitEx(unsigned long value, unsigned long offset,
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unsigned long length, unsigned long addr)
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{
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unsigned long mask;
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mask = ((1 << length) - 1) << offset;
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value = value << offset;
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HI_RegWrite32(value, mask, addr);
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}
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static __inline HI_VOID HI_RegRead(unsigned long *pvalue, unsigned long addr)
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{
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*pvalue = readl(addr);
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}
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#define REG_ACCESS_WIDTH 0 // 1: 16bit 2: 8bit
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#define EXT_REG_BASE 0x10200
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#define ISP_REG_BASE_ADDR 0x205a0000
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#define EXT_REG_BASE_ISP 0x8000
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#define EXT_REG_BASE_VIU 0x8400
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#define EXT_REG_BASE_VPP 0x8600
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#define EXT_REG_BASE_VEDU 0x8800
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#define EXT_REG_BASE_VOU 0x8A00
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/* Dynamic bus access functions, 4 byte align access */
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//TODO: allocate dev addr (such as ISP_REG_BASE_ADDR) according to devId.
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#define __IO_CALC_ADDRESS_DYNAMIC(BASE, OFFSET) ((HI_U32)(((BASE >= EXT_REG_BASE)? 0 : ISP_REG_BASE_ADDR) + ((((BASE >= EXT_REG_BASE)? (BASE - EXT_REG_BASE) : BASE) + OFFSET)<<REG_ACCESS_WIDTH)))
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#define IORD_32DIRECT(BASE, OFFSET) IO_READ32(__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)))
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#define IORD_16DIRECT(BASE, OFFSET) IO_READ16(__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)))
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#define IORD_8DIRECT(BASE, OFFSET) IO_READ8(__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)))
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#define IOWR_32DIRECT(BASE, OFFSET, DATA) IO_WRITE32(__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)), (DATA))
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#define IOWR_16DIRECT(BASE, OFFSET, DATA) IO_WRITE16(__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)), (DATA))
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#define IOWR_8DIRECT(BASE, OFFSET, DATA) IO_WRITE8(__IO_CALC_ADDRESS_DYNAMIC ((BASE), (OFFSET)), (DATA))
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#ifdef __cplusplus
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}
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#endif
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#endif /* __HI_IO_H__ */
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