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/*
* Copyright (C) 2005-2006 Atmel Corporation
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#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 _18; /* 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 */
} atmel_mci_t;
#endif /* __ASSEMBLY__ */
/*
* NOTICE: Use of registers offsets is depreciated.
* These defines will be removed once the old driver
* is taken out of commision.
*
* Atmel MultiMedia Card Interface (MCI) registers
*/
#define MMCI_CR 0x0000
#define MMCI_MR 0x0004
#define MMCI_DTOR 0x0008
#define MMCI_SDCR 0x000c
#define MMCI_ARGR 0x0010
#define MMCI_CMDR 0x0014
#define MMCI_RSPR 0x0020
#define MMCI_RSPR1 0x0024
#define MMCI_RSPR2 0x0028
#define MMCI_RSPR3 0x002c
#define MMCI_RDR 0x0030
#define MMCI_TDR 0x0034
#define MMCI_SR 0x0040
#define MMCI_IER 0x0044
#define MMCI_IDR 0x0048
#define MMCI_IMR 0x004c
/* 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
#define MMCI_PDCPADV_OFFSET 14
#define MMCI_PDCPADV_SIZE 1
#define MMCI_PDCMODE_OFFSET 15
#define MMCI_PDCMODE_SIZE 1
#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 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
/* 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))
/*
* NOTICE: Use of registers offsets is depreciated.
* These defines will be removed once the old driver
* is taken out of commision.
*
* Register access macros
*/
#define mmci_readl(reg) \
readl((void *)ATMEL_BASE_MMCI + MMCI_##reg)
#define mmci_writel(reg,value) \
writel((value), (void *)ATMEL_BASE_MMCI + MMCI_##reg)
#endif /* __ATMEL_MCI_H__ */
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