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nuttx/drivers/mmcsd/mmcsd_sdio.h
patacongo ad3467a844 Add IOCTLs and card identification logic 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2253 42af7a65-404d-4744-a932-0658087f49c3
2009-11-13 23:30:41 +00:00

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/********************************************************************************************
* drivers/mmcsd/mmcsd_sdio.h
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
********************************************************************************************/
#ifndef __DRIVERS_MMCSD_MMCSD_SDIO_H
#define __DRIVERS_MMCSD_MMCSD_SDIO_H
/********************************************************************************************
* Included Files
********************************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
/********************************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/* CMD8 Argument:
* [31:12]: Reserved (shall be set to '0')
* [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
* [7:0]: Check Pattern (recommended 0xaa)
* CMD8 Response: R7
*/
#define MMCSD_CMD8VOLTAGE_SHIFT 8 /* Bits 8-11: Supply voltage */
#define MMCSD_CMD8VOLTAGE_MASK (0x0f << MMCSD_CMD8VOLTAGE_SHIFT)
# define MMCSD_CMD8VOLTAGE_27 (0x01 << MMCSD_CMD8VOLTAGE_SHIFT) /* 2.7-3.6V */
#define MMCSD_CMD8ECHO_SHIFT 0 /* Bits 0-7: Check pattern */
#define MMCSD_CMD8ECHO_MASK (0xff << MMCSD_CMD8ECHO_SHIFT)
# define MMCSD_CMD8CHECKPATTERN (0xaa << MMCSD_CMD8ECHO_SHIFT)
/* ACMD41 argument */
#define MMCD_ACMD41_VOLTAGEWINDOW 0x80100000
#define MMCD_ACMD41_HIGHCAPACITY (1 << 30)
#define MMCD_ACMD41_STDCAPACITY (0)
/* R1 Card Status bit definitions */
#define MMCSD_R1_OUTOFRANGE (1 << 31) /* Bad argument */
#define MMCSD_R1_ADDRESSERROR (1 << 30) /* Bad address */
#define MMCSD_R1_BLOCKLENERROR (1 << 29) /* Bad block length */
#define MMCSD_R1_ERASESEQERROR (1 << 28) /* Erase cmd error */
#define MMCSD_R1_ERASEPARAM (1 << 27) /* Bad write blocks */
#define MMCSD_R1_WPVIOLATION (1 << 26) /* Erase access failure */
#define MMCSD_R1_CARDISLOCKED (1 << 25) /* Card is locked */
#define MMCSD_R1_LOCKUNLOCKFAILED (1 << 24) /* Password error */
#define MMCSD_R1_COMCRCERROR (1 << 23) /* CRC error */
#define MMCSD_R1_ILLEGALCOMMAND (1 << 22) /* Bad command */
#define MMCSD_R1_CARDECCFAILED (1 << 21) /* Failed to correct data */
#define MMCSD_R1_CCERROR (1 << 20) /* Card controller error */
#define MMCSD_R1_ERROR (1 << 19) /* General error */
#define MMCSD_R1_UNDERRUN (1 << 18) /* Underrun (MMC only) */
#define MMCSD_R1_OVERRRUN (1 << 17) /* Overrun (MMC only) */
#define MMCSD_R1_CIDCSDOVERWRITE (1 << 16) /* CID/CSD error */
#define MMCSD_R1_WPERASESKIP (1 << 15) /* Not all erased */
#define MMCSD_R1_CARDECCDISABLED (1 << 14) /* Internal ECC not used */
#define MMCSD_R1_ERASERESET (1 << 13) /* Reset sequence cleared */
#define MMCSD_R1_STATE_SHIFT (9) /* Current card state */
#define MMCSD_R1_STATE_MASK (15 << MMCSD_R1_STATE_SHIFT)
/* Card identification mode states */
# define MMCSD_R1_STATE_IDLE (0 << MMCSD_R1_STATE_SHIFT) /* 0=Idle state */
# define MMCSD_R1_STATE_READY (1 << MMCSD_R1_STATE_SHIFT) /* 1=Ready state */
# define MMCSD_R1_STATE_IDENT (2 << MMCSD_R1_STATE_SHIFT) /* 2=Identification state */
/* Data transfer states */
# define MMCSD_R1_STATE_STBY (3 << MMCSD_R1_STATE_SHIFT) /* 3=Standby state */
# define MMCSD_R1_STATE_TRAN (4 << MMCSD_R1_STATE_SHIFT) /* 4=Transfer state */
# define MMCSD_R1_STATE_DATA (5 << MMCSD_R1_STATE_SHIFT) /* 5=Sending data state */
# define MMCSD_R1_STATE_RCV (6 << MMCSD_R1_STATE_SHIFT) /* 6=Receiving data state */
# define MMCSD_R1_STATE_PRG (7 << MMCSD_R1_STATE_SHIFT) /* 7=Programming state */
# define MMCSD_R1_STATE_DIS (8 << MMCSD_R1_STATE_SHIFT) /* 8=Disconnect state */
#define MMCSD_R1_READYFORDATA (1 << 8) /* Buffer empty */
#define MMCSD_R1_APPCMD (1 << 5) /* Next CMD is ACMD */
#define MMCSD_R1_AKESEQERROR (1 << 3) /* Authentication error */
#define MMCSD_R1_ERRORMASK 0xfdff0008 /* Error mask */
#define IS_STATE(v,s) (((v)&MMCSD_R1_CURRENTSTATE_MASK)==(s))
/* R3 (OCR) */
#define MMC_VDD_20_36 0x00ffff00 /* VDD voltage 2.0-3.6 */
#define MMCSD_VDD_145_150 (1 << 0) /* VDD voltage 1.45 - 1.50 */
#define MMCSD_VDD_150_155 (1 << 1) /* VDD voltage 1.50 - 1.55 */
#define MMCSD_VDD_155_160 (1 << 2) /* VDD voltage 1.55 - 1.60 */
#define MMCSD_VDD_160_165 (1 << 3) /* VDD voltage 1.60 - 1.65 */
#define MMCSD_VDD_165_170 (1 << 4) /* VDD voltage 1.65 - 1.70 */
#define MMCSD_VDD_17_18 (1 << 5) /* VDD voltage 1.7 - 1.8 */
#define MMCSD_VDD_18_19 (1 << 6) /* VDD voltage 1.8 - 1.9 */
#define MMCSD_VDD_19_20 (1 << 7) /* VDD voltage 1.9 - 2.0 */
#define MMCSD_VDD_20_21 (1 << 8) /* VDD voltage 2.0-2.1 */
#define MMCSD_VDD_21_22 (1 << 9) /* VDD voltage 2.1-2.2 */
#define MMCSD_VDD_22_23 (1 << 10) /* VDD voltage 2.2-2.3 */
#define MMCSD_VDD_23_24 (1 << 11) /* VDD voltage 2.3-2.4 */
#define MMCSD_VDD_24_25 (1 << 12) /* VDD voltage 2.4-2.5 */
#define MMCSD_VDD_25_26 (1 << 13) /* VDD voltage 2.5-2.6 */
#define MMCSD_VDD_26_27 (1 << 14) /* VDD voltage 2.6-2.7 */
#define MMCSD_VDD_27_28 (1 << 15) /* VDD voltage 2.7-2.8 */
#define MMCSD_VDD_28_29 (1 << 16) /* VDD voltage 2.8-2.9 */
#define MMCSD_VDD_29_30 (1 << 17) /* VDD voltage 2.9-3.0 */
#define MMCSD_VDD_30_31 (1 << 18) /* VDD voltage 3.0-3.1 */
#define MMCSD_VDD_31_32 (1 << 19) /* VDD voltage 3.1-3.2 */
#define MMCSD_VDD_32_33 (1 << 20) /* VDD voltage 3.2-3.3 */
#define MMCSD_VDD_33_34 (1 << 21) /* VDD voltage 3.3-3.4 */
#define MMCSD_VDD_34_35 (1 << 22) /* VDD voltage 3.4-3.5 */
#define MMCSD_VDD_35_36 (1 << 23) /* VDD voltage 3.5-3.6 */
#define MMCD_R3_HIGHCAPACITY (1 << 30) /* TRUE: Card supports block addressing */
#define MMCSD_CARD_BUSY (1 << 31) /* Card power-up busy bit */
/* Last 4 bytes of the 48-bit R7 response */
#define MMCSD_R7VERSION_SHIFT 28 /* Bits 28-31: Command version number */
#define MMCSD_R7VERSION_MASK (0x0f << MMCSD_R7VERSION_SHIFT)
#define MMCSD_R7VOLTAGE_SHIFT 8 /* Bits 8-11: Voltage accepted */
#define MMCSD_R7VOLTAGE_MASK (0x0f << MMCSD_R7VOLTAGE_SHIFT)
# define MMCSD_R7VOLTAGE_27 (0x01 << MMCSD_R7VOLTAGE_SHIFT) /* 2.7-3.6V */
#define MMCSD_R7ECHO_SHIFT 0 /* Bits 0-7: Echoed check pattern */
#define MMCSD_R7ECHO_MASK (0xff << MMCSD_R7ECHO_SHIFT)
# define MMCSD_R7CHECKPATTERN (0xaa << MMCSD_R7ECHO_SHIFT)
/********************************************************************************************
* Public Types
********************************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/********************************************************************************************
* Public Functions
********************************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __DRIVERS_MMCSD_MMCSD_SDIO_H */
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