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    /*
     * Copyright (C) 2005-2006 Atmel Corporation
     *
    
     * SPDX-License-Identifier:	GPL-2.0+
    
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     */
    
    #ifndef __ATMEL_MCI_H__
    #define __ATMEL_MCI_H__
    
    int atmel_mci_init(void *regs);
    
    #ifndef __ASSEMBLY__
    
    /*
     * Structure for struct SoC access.
     * Names starting with '_' are fillers.
     */
    typedef struct atmel_mci {
    	/*	reg	Offset */
    	u32	cr;	/* 0x00 */
    	u32	mr;	/* 0x04 */
    	u32	dtor;	/* 0x08 */
    	u32	sdcr;	/* 0x0c */
    	u32	argr;	/* 0x10 */
    	u32	cmdr;	/* 0x14 */
    
    	u32	blkr;	/* 0x18 */
    
    	u32	_1c;	/* 0x1c */
    	u32	rspr;	/* 0x20 */
    	u32	rspr1;	/* 0x24 */
    	u32	rspr2;	/* 0x28 */
    	u32	rspr3;	/* 0x2c */
    	u32	rdr;	/* 0x30 */
    	u32	tdr;	/* 0x34 */
    	u32	_38;	/* 0x38 */
    	u32	_3c;	/* 0x3c */
    	u32	sr;	/* 0x40 */
    	u32	ier;	/* 0x44 */
    	u32	idr;	/* 0x48 */
    	u32	imr;	/* 0x4c */
    
    	u32	dma;	/* 0x50 */
    	u32	cfg;	/* 0x54 */
    	u32	reserved[41];
    
    } atmel_mci_t;
    
    #endif /* __ASSEMBLY__ */
    
    
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    /* Bitfields in CR */
    #define MMCI_MCIEN_OFFSET			0
    #define MMCI_MCIEN_SIZE				1
    #define MMCI_MCIDIS_OFFSET			1
    #define MMCI_MCIDIS_SIZE			1
    #define MMCI_PWSEN_OFFSET			2
    #define MMCI_PWSEN_SIZE				1
    #define MMCI_PWSDIS_OFFSET			3
    #define MMCI_PWSDIS_SIZE			1
    #define MMCI_SWRST_OFFSET			7
    #define MMCI_SWRST_SIZE				1
    
    /* Bitfields in MR */
    #define MMCI_CLKDIV_OFFSET			0
    #define MMCI_CLKDIV_SIZE			8
    #define MMCI_PWSDIV_OFFSET			8
    #define MMCI_PWSDIV_SIZE			3
    
    #define MMCI_RDPROOF_OFFSET			11
    #define MMCI_RDPROOF_SIZE			1
    #define MMCI_WRPROOF_OFFSET			12
    #define MMCI_WRPROOF_SIZE			1
    
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    #define MMCI_PDCPADV_OFFSET			14
    #define MMCI_PDCPADV_SIZE			1
    #define MMCI_PDCMODE_OFFSET			15
    #define MMCI_PDCMODE_SIZE			1
    
    /* MCI IP version >= 0x500, MR bit 16 used for CLKODD */
    #define MMCI_CLKODD_OFFSET			16
    #define MMCI_CLKODD_SIZE			1
    /* MCI IP version < 0x200, MR higher 16bits for BLKLEN */
    
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    #define MMCI_BLKLEN_OFFSET			16
    #define MMCI_BLKLEN_SIZE			16
    
    /* Bitfields in DTOR */
    #define MMCI_DTOCYC_OFFSET			0
    #define MMCI_DTOCYC_SIZE			4
    #define MMCI_DTOMUL_OFFSET			4
    #define MMCI_DTOMUL_SIZE			3
    
    /* Bitfields in SDCR */
    #define MMCI_SCDSEL_OFFSET			0
    #define MMCI_SCDSEL_SIZE			4
    #define MMCI_SCDBUS_OFFSET			7
    #define MMCI_SCDBUS_SIZE			1
    
    /* Bitfields in ARGR */
    #define MMCI_ARG_OFFSET				0
    #define MMCI_ARG_SIZE				32
    
    /* Bitfields in CMDR */
    #define MMCI_CMDNB_OFFSET			0
    #define MMCI_CMDNB_SIZE				6
    #define MMCI_RSPTYP_OFFSET			6
    #define MMCI_RSPTYP_SIZE			2
    #define MMCI_SPCMD_OFFSET			8
    #define MMCI_SPCMD_SIZE				3
    #define MMCI_OPDCMD_OFFSET			11
    #define MMCI_OPDCMD_SIZE			1
    #define MMCI_MAXLAT_OFFSET			12
    #define MMCI_MAXLAT_SIZE			1
    #define MMCI_TRCMD_OFFSET			16
    #define MMCI_TRCMD_SIZE				2
    #define MMCI_TRDIR_OFFSET			18
    #define MMCI_TRDIR_SIZE				1
    #define MMCI_TRTYP_OFFSET			19
    #define MMCI_TRTYP_SIZE				2
    
    
    /* Bitfields in BLKR */
    /* MMCI_BLKLEN_OFFSET/SIZE already defined in MR */
    #define MMCI_BCNT_OFFSET			0
    #define MMCI_BCNT_SIZE			16
    
    
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    /* Bitfields in RSPRx */
    #define MMCI_RSP_OFFSET				0
    #define MMCI_RSP_SIZE				32
    
    /* Bitfields in SR/IER/IDR/IMR */
    #define MMCI_CMDRDY_OFFSET			0
    #define MMCI_CMDRDY_SIZE			1
    #define MMCI_RXRDY_OFFSET			1
    #define MMCI_RXRDY_SIZE				1
    #define MMCI_TXRDY_OFFSET			2
    #define MMCI_TXRDY_SIZE				1
    #define MMCI_BLKE_OFFSET			3
    #define MMCI_BLKE_SIZE				1
    #define MMCI_DTIP_OFFSET			4
    #define MMCI_DTIP_SIZE				1
    #define MMCI_NOTBUSY_OFFSET			5
    #define MMCI_NOTBUSY_SIZE			1
    #define MMCI_ENDRX_OFFSET			6
    #define MMCI_ENDRX_SIZE				1
    #define MMCI_ENDTX_OFFSET			7
    #define MMCI_ENDTX_SIZE				1
    #define MMCI_RXBUFF_OFFSET			14
    #define MMCI_RXBUFF_SIZE			1
    #define MMCI_TXBUFE_OFFSET			15
    #define MMCI_TXBUFE_SIZE			1
    #define MMCI_RINDE_OFFSET			16
    #define MMCI_RINDE_SIZE				1
    #define MMCI_RDIRE_OFFSET			17
    #define MMCI_RDIRE_SIZE				1
    #define MMCI_RCRCE_OFFSET			18
    #define MMCI_RCRCE_SIZE				1
    #define MMCI_RENDE_OFFSET			19
    #define MMCI_RENDE_SIZE				1
    #define MMCI_RTOE_OFFSET			20
    #define MMCI_RTOE_SIZE				1
    #define MMCI_DCRCE_OFFSET			21
    #define MMCI_DCRCE_SIZE				1
    #define MMCI_DTOE_OFFSET			22
    #define MMCI_DTOE_SIZE				1
    #define MMCI_OVRE_OFFSET			30
    #define MMCI_OVRE_SIZE				1
    #define MMCI_UNRE_OFFSET			31
    #define MMCI_UNRE_SIZE				1
    
    /* Constants for DTOMUL */
    #define MMCI_DTOMUL_1_CYCLE			0
    #define MMCI_DTOMUL_16_CYCLES			1
    #define MMCI_DTOMUL_128_CYCLES			2
    #define MMCI_DTOMUL_256_CYCLES			3
    #define MMCI_DTOMUL_1024_CYCLES			4
    #define MMCI_DTOMUL_4096_CYCLES			5
    #define MMCI_DTOMUL_65536_CYCLES		6
    #define MMCI_DTOMUL_1048576_CYCLES		7
    
    /* Constants for RSPTYP */
    #define MMCI_RSPTYP_NO_RESP			0
    #define MMCI_RSPTYP_48_BIT_RESP			1
    #define MMCI_RSPTYP_136_BIT_RESP		2
    
    /* Constants for SPCMD */
    #define MMCI_SPCMD_NO_SPEC_CMD			0
    #define MMCI_SPCMD_INIT_CMD			1
    #define MMCI_SPCMD_SYNC_CMD			2
    #define MMCI_SPCMD_INT_CMD			4
    #define MMCI_SPCMD_INT_RESP			5
    
    /* Constants for TRCMD */
    #define MMCI_TRCMD_NO_TRANS			0
    #define MMCI_TRCMD_START_TRANS			1
    #define MMCI_TRCMD_STOP_TRANS			2
    
    /* Constants for TRTYP */
    #define MMCI_TRTYP_BLOCK			0
    #define MMCI_TRTYP_MULTI_BLOCK			1
    #define MMCI_TRTYP_STREAM			2
    
    
    /* Bitfields in CFG */
    #define MMCI_FIFOMODE_OFFSET			0
    #define MMCI_FIFOMODE_SIZE			1
    #define MMCI_FERRCTRL_OFFSET			4
    #define MMCI_FERRCTRL_SIZE			1
    #define MMCI_HSMODE_OFFSET			8
    #define MMCI_HSMODE_SIZE			1
    #define MMCI_LSYNC_OFFSET			12
    #define MMCI_LSYNC_SIZE				1
    
    
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    /* Bit manipulation macros */
    #define MMCI_BIT(name)					\
    	(1 << MMCI_##name##_OFFSET)
    #define MMCI_BF(name,value)				\
    	(((value) & ((1 << MMCI_##name##_SIZE) - 1))	\
    	 << MMCI_##name##_OFFSET)
    #define MMCI_BFEXT(name,value)				\
    	(((value) >> MMCI_##name##_OFFSET)\
    	 & ((1 << MMCI_##name##_SIZE) - 1))
    #define MMCI_BFINS(name,value,old)			\
    	(((old) & ~(((1 << MMCI_##name##_SIZE) - 1)	\
    		    << MMCI_##name##_OFFSET))		\
    	 | MMCI_BF(name,value))
    
    
    #endif /* __ATMEL_MCI_H__ */