9634f25391
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2343 42af7a65-404d-4744-a932-0658087f49c3
339 lines
17 KiB
C
339 lines
17 KiB
C
/********************************************************************************************
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* drivers/mmcsd/mmcsd_sdio.h
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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********************************************************************************************/
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#ifndef __DRIVERS_MMCSD_MMCSD_SDIO_H
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#define __DRIVERS_MMCSD_MMCSD_SDIO_H
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/********************************************************************************************
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* Included Files
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********************************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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/********************************************************************************************
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* Pre-Processor Definitions
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********************************************************************************************/
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/* CMD8 Argument:
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* [31:12]: Reserved (shall be set to '0')
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* [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
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* [7:0]: Check Pattern (recommended 0xaa)
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* CMD8 Response: R7
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*/
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#define MMCSD_CMD8VOLTAGE_SHIFT 8 /* Bits 8-11: Supply voltage */
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#define MMCSD_CMD8VOLTAGE_MASK (0x0f << MMCSD_CMD8VOLTAGE_SHIFT)
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# define MMCSD_CMD8VOLTAGE_27 (0x01 << MMCSD_CMD8VOLTAGE_SHIFT) /* 2.7-3.6V */
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#define MMCSD_CMD8ECHO_SHIFT 0 /* Bits 0-7: Check pattern */
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#define MMCSD_CMD8ECHO_MASK (0xff << MMCSD_CMD8ECHO_SHIFT)
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# define MMCSD_CMD8CHECKPATTERN (0xaa << MMCSD_CMD8ECHO_SHIFT)
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/* ACMD6 argument */
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#define MMCSD_ACMD6_BUSWIDTH_1 (0) /* Bus width = 1-bit */
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#define MMCSD_ACMD6_BUSWIDTH_4 (2) /* Bus width = 4-bit */
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/* ACMD41 argument */
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#define MMCSD_ACMD41_VOLTAGEWINDOW 0x80100000
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#define MMCSD_ACMD41_HIGHCAPACITY (1 << 30)
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#define MMCSD_ACMD41_STDCAPACITY (0)
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/* ACMD42 argument */
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#define MMCSD_ACMD42_CD_DISCONNECT (0) /* Disconnect card detection logic */
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#define MMCSD_ACMD42_CD_CONNECT (1) /* Connect card detection logic */
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/* R1 Card Status bit definitions */
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#define MMCSD_R1_OUTOFRANGE (1 << 31) /* Bad argument */
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#define MMCSD_R1_ADDRESSERROR (1 << 30) /* Bad address */
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#define MMCSD_R1_BLOCKLENERROR (1 << 29) /* Bad block length */
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#define MMCSD_R1_ERASESEQERROR (1 << 28) /* Erase cmd error */
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#define MMCSD_R1_ERASEPARAM (1 << 27) /* Bad write blocks */
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#define MMCSD_R1_WPVIOLATION (1 << 26) /* Erase access failure */
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#define MMCSD_R1_CARDISLOCKED (1 << 25) /* Card is locked */
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#define MMCSD_R1_LOCKUNLOCKFAILED (1 << 24) /* Password error */
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#define MMCSD_R1_COMCRCERROR (1 << 23) /* CRC error */
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#define MMCSD_R1_ILLEGALCOMMAND (1 << 22) /* Bad command */
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#define MMCSD_R1_CARDECCFAILED (1 << 21) /* Failed to correct data */
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#define MMCSD_R1_CCERROR (1 << 20) /* Card controller error */
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#define MMCSD_R1_ERROR (1 << 19) /* General error */
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#define MMCSD_R1_UNDERRUN (1 << 18) /* Underrun (MMC only) */
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#define MMCSD_R1_OVERRRUN (1 << 17) /* Overrun (MMC only) */
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#define MMCSD_R1_CIDCSDOVERWRITE (1 << 16) /* CID/CSD error */
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#define MMCSD_R1_WPERASESKIP (1 << 15) /* Not all erased */
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#define MMCSD_R1_CARDECCDISABLED (1 << 14) /* Internal ECC not used */
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#define MMCSD_R1_ERASERESET (1 << 13) /* Reset sequence cleared */
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#define MMCSD_R1_STATE_SHIFT (9) /* Current card state */
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#define MMCSD_R1_STATE_MASK (15 << MMCSD_R1_STATE_SHIFT)
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/* Card identification mode states */
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# define MMCSD_R1_STATE_IDLE (0 << MMCSD_R1_STATE_SHIFT) /* 0=Idle state */
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# define MMCSD_R1_STATE_READY (1 << MMCSD_R1_STATE_SHIFT) /* 1=Ready state */
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# define MMCSD_R1_STATE_IDENT (2 << MMCSD_R1_STATE_SHIFT) /* 2=Identification state */
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/* Data transfer states */
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# define MMCSD_R1_STATE_STBY (3 << MMCSD_R1_STATE_SHIFT) /* 3=Standby state */
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# define MMCSD_R1_STATE_TRAN (4 << MMCSD_R1_STATE_SHIFT) /* 4=Transfer state */
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# define MMCSD_R1_STATE_DATA (5 << MMCSD_R1_STATE_SHIFT) /* 5=Sending data state */
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# define MMCSD_R1_STATE_RCV (6 << MMCSD_R1_STATE_SHIFT) /* 6=Receiving data state */
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# define MMCSD_R1_STATE_PRG (7 << MMCSD_R1_STATE_SHIFT) /* 7=Programming state */
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# define MMCSD_R1_STATE_DIS (8 << MMCSD_R1_STATE_SHIFT) /* 8=Disconnect state */
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#define MMCSD_R1_READYFORDATA (1 << 8) /* Buffer empty */
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#define MMCSD_R1_APPCMD (1 << 5) /* Next CMD is ACMD */
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#define MMCSD_R1_AKESEQERROR (1 << 3) /* Authentication error */
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#define MMCSD_R1_ERRORMASK 0xfdffe008 /* Error mask */
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#define IS_STATE(v,s) (((v)&MMCSD_R1_STATE_MASK)==(s))
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/* R3 (OCR) */
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#define MMC_VDD_20_36 0x00ffff00 /* VDD voltage 2.0-3.6 */
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#define MMCSD_VDD_145_150 (1 << 0) /* VDD voltage 1.45 - 1.50 */
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#define MMCSD_VDD_150_155 (1 << 1) /* VDD voltage 1.50 - 1.55 */
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#define MMCSD_VDD_155_160 (1 << 2) /* VDD voltage 1.55 - 1.60 */
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#define MMCSD_VDD_160_165 (1 << 3) /* VDD voltage 1.60 - 1.65 */
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#define MMCSD_VDD_165_170 (1 << 4) /* VDD voltage 1.65 - 1.70 */
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#define MMCSD_VDD_17_18 (1 << 5) /* VDD voltage 1.7 - 1.8 */
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#define MMCSD_VDD_18_19 (1 << 6) /* VDD voltage 1.8 - 1.9 */
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#define MMCSD_VDD_19_20 (1 << 7) /* VDD voltage 1.9 - 2.0 */
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#define MMCSD_VDD_20_21 (1 << 8) /* VDD voltage 2.0-2.1 */
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#define MMCSD_VDD_21_22 (1 << 9) /* VDD voltage 2.1-2.2 */
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#define MMCSD_VDD_22_23 (1 << 10) /* VDD voltage 2.2-2.3 */
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#define MMCSD_VDD_23_24 (1 << 11) /* VDD voltage 2.3-2.4 */
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#define MMCSD_VDD_24_25 (1 << 12) /* VDD voltage 2.4-2.5 */
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#define MMCSD_VDD_25_26 (1 << 13) /* VDD voltage 2.5-2.6 */
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#define MMCSD_VDD_26_27 (1 << 14) /* VDD voltage 2.6-2.7 */
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#define MMCSD_VDD_27_28 (1 << 15) /* VDD voltage 2.7-2.8 */
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#define MMCSD_VDD_28_29 (1 << 16) /* VDD voltage 2.8-2.9 */
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#define MMCSD_VDD_29_30 (1 << 17) /* VDD voltage 2.9-3.0 */
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#define MMCSD_VDD_30_31 (1 << 18) /* VDD voltage 3.0-3.1 */
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#define MMCSD_VDD_31_32 (1 << 19) /* VDD voltage 3.1-3.2 */
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#define MMCSD_VDD_32_33 (1 << 20) /* VDD voltage 3.2-3.3 */
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#define MMCSD_VDD_33_34 (1 << 21) /* VDD voltage 3.3-3.4 */
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#define MMCSD_VDD_34_35 (1 << 22) /* VDD voltage 3.4-3.5 */
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#define MMCSD_VDD_35_36 (1 << 23) /* VDD voltage 3.5-3.6 */
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#define MMCSD_R3_HIGHCAPACITY (1 << 30) /* true: Card supports block addressing */
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#define MMCSD_CARD_BUSY (1 << 31) /* Card power-up busy bit */
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/* R6 Card Status bit definitions */
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#define MMCSD_R6_RCA_SHIFT (16) /* New published RCA */
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#define MMCSD_R6_RCA_MASK (0xffff << MMCSD_R6_RCA_SHIFT)
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#define MMCSD_R6_COMCRCERROR (1 << 15) /* CRC error */
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#define MMCSD_R6_ILLEGALCOMMAND (1 << 14) /* Bad command */
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#define MMCSD_R6_ERROR (1 << 13) /* General error */
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#define MMCSD_R6_STATE_SHIFT (9) /* Current card state */
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#define MMCSD_R6_STATE_MASK (15 << MMCSD_R6_STATE_SHIFT)
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/* Card identification mode states */
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# define MMCSD_R6_STATE_IDLE (0 << MMCSD_R6_STATE_SHIFT) /* 0=Idle state */
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# define MMCSD_R6_STATE_READY (1 << MMCSD_R6_STATE_SHIFT) /* 1=Ready state */
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# define MMCSD_R6_STATE_IDENT (2 << MMCSD_R6_STATE_SHIFT) /* 2=Identification state */
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/* Data transfer states */
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# define MMCSD_R6_STATE_STBY (3 << MMCSD_R6_STATE_SHIFT) /* 3=Standby state */
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# define MMCSD_R6_STATE_TRAN (4 << MMCSD_R6_STATE_SHIFT) /* 4=Transfer state */
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# define MMCSD_R6_STATE_DATA (5 << MMCSD_R6_STATE_SHIFT) /* 5=Sending data state */
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# define MMCSD_R6_STATE_RCV (6 << MMCSD_R6_STATE_SHIFT) /* 6=Receiving data state */
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# define MMCSD_R6_STATE_PRG (7 << MMCSD_R6_STATE_SHIFT) /* 7=Programming state */
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# define MMCSD_R6_STATE_DIS (8 << MMCSD_R6_STATE_SHIFT) /* 8=Disconnect state */
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#define MMCSD_R6_ERRORMASK 0x0000e000 /* Error mask */
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/* SD Configuration Register (SCR) encoding */
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#define MMCSD_SCR_BUSWIDTH_1BIT (1)
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#define MMCSD_SCR_BUSWIDTH_2BIT (2)
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#define MMCSD_SCR_BUSWIDTH_4BIT (4)
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#define MMCSD_SCR_BUSWIDTH_8BIT (8)
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/* Last 4 bytes of the 48-bit R7 response */
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#define MMCSD_R7VERSION_SHIFT 28 /* Bits 28-31: Command version number */
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#define MMCSD_R7VERSION_MASK (0x0f << MMCSD_R7VERSION_SHIFT)
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#define MMCSD_R7VOLTAGE_SHIFT 8 /* Bits 8-11: Voltage accepted */
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#define MMCSD_R7VOLTAGE_MASK (0x0f << MMCSD_R7VOLTAGE_SHIFT)
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# define MMCSD_R7VOLTAGE_27 (0x01 << MMCSD_R7VOLTAGE_SHIFT) /* 2.7-3.6V */
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#define MMCSD_R7ECHO_SHIFT 0 /* Bits 0-7: Echoed check pattern */
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#define MMCSD_R7ECHO_MASK (0xff << MMCSD_R7ECHO_SHIFT)
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# define MMCSD_R7CHECKPATTERN (0xaa << MMCSD_R7ECHO_SHIFT)
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/********************************************************************************************
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* Public Types
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********************************************************************************************/
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/* Decoded Card Identification (CID) register */
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struct mmcsd_cid_s
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{
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uint8_t mid; /* 127:120 8-bit Manufacturer ID */
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uint16_t oid; /* 119:104 16-bit OEM/Application ID (ascii) */
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uint8_t pnm[6]; /* 103:64 40-bit Product Name (ascii) + null terminator */
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uint8_t prv; /* 63:56 8-bit Product revision */
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uint32_t psn; /* 55:24 32-bit Product serial number */
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/* 23:20 4-bit (reserved) */
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uint16_t mdt; /* 19:8 12-bit Manufacturing date */
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uint8_t crc; /* 7:1 7-bit CRC7 */
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/* 0:0 1-bit (not used) */
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};
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/* Decoded Card Specific Data (CSD) register */
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struct mmcsd_csd_s
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{
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uint8_t csdstructure; /* 127:126 CSD structure */
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uint8_t mmcspecvers; /* 125:122 MMC Spec version (MMC only) */
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struct
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{
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uint8_t timeunit; /* 2:0 Time exponent */
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uint8_t timevalue; /* 6:3 Time mantissa */
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} taac; /* 119:112 Data read access-time-1 */
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uint8_t nsac; /* 111:104 Data read access-time-2 in CLK cycle(NSAC*100) */
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struct
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{
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uint8_t transferrateunit; /* 2:0 Rate exponent */
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uint8_t timevalue; /* 6:3 Rate mantissa */
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} transpeed; /* 103:96 Max. data transfer rate */
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uint16_t ccc; /* 95:84 Card command classes */
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uint8_t readbllen; /* 83:80 Max. read data block length */
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uint8_t readblpartial; /* 79:79 Partial blocks for read allowed */
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uint8_t writeblkmisalign; /* 78:78 Write block misalignment */
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uint8_t readblkmisalign; /* 77:77 Read block misalignment */
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uint8_t dsrimp; /* 76:76 DSR implemented */
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union
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{
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#ifdef CONFIG_MMCSD_MMCSUPPORT
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struct
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{
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uint16_t csize; /* 73:62 Device size */
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uint8_t vddrcurrmin; /* 61:59 Max. read current at Vdd min */
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uint8_t vddrcurrmax; /* 58:56 Max. read current at Vdd max */
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uint8_t vddwcurrmin; /* 55:53 Max. write current at Vdd min */
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uint8_t vddwcurrmax; /* 52:50 Max. write current at Vdd max */
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uint8_t csizemult; /* 49:47 Device size multiplier */
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union
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{
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struct /* MMC system specification version 3.1 */
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{
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uint8_t ergrpsize; /* 46:42 Erase group size (MMC 3.1) */
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uint8_t ergrpmult; /* 41:37 Erase group multiplier (MMC 3.1) */
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} mmc31;
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struct /* MMC system specification version 2.2 */
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{
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uint8_t sectorsize; /* 46:42 Erase sector size (MMC 2.2) */
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uint8_t ergrpsize; /* 41:37 Erase group size (MMC 2.2) */
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} mmc22;
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} er;
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uint8_t mmcwpgrpsize; /* 36:32 Write protect group size (MMC) */
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} mmc;
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#endif
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struct
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{
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uint16_t csize; /* 73:62 Device size */
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uint8_t vddrcurrmin; /* 61:59 Max. read current at Vdd min */
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uint8_t vddrcurrmax; /* 58:56 Max. read current at Vdd max */
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uint8_t vddwcurrmin; /* 55:53 Max. write current at Vdd min */
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uint8_t vddwcurrmax; /* 52:50 Max. write current at Vdd max */
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uint8_t csizemult; /* 49:47 Device size multiplier */
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uint8_t sderblen; /* 46:46 Erase single block enable (SD) */
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uint8_t sdsectorsize; /* 45:39 Erase sector size (SD) */
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uint8_t sdwpgrpsize; /* 38:32 Write protect group size (SD) */
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} sdbyte;
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struct
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{
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/* 73:70 (reserved) */
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uint32_t csize; /* 69:48 Device size */
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/* 47:47 (reserved) */
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uint8_t sderblen; /* 46:46 Erase single block enable (SD) */
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uint8_t sdsectorsize; /* 45:39 Erase sector size (SD) */
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uint8_t sdwpgrpsize; /* 38:32 Write protect group size (SD) */
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} sdblock;
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} u;
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uint8_t wpgrpen; /* 31:31 Write protect group enable */
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uint8_t mmcdfltecc; /* 30:29 Manufacturer default ECC (MMC) */
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uint8_t r2wfactor; /* 28:26 Write speed factor */
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uint8_t writebllen; /* 25:22 Max. write data block length */
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uint8_t writeblpartial; /* 21:21 Partial blocks for write allowed */
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uint8_t fileformatgrp; /* 15:15 File format group */
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uint8_t copy; /* 14:14 Copy flag (OTP) */
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uint8_t permwriteprotect; /* 13:13 Permanent write protection */
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uint8_t tmpwriteprotect; /* 12:12 Temporary write protection */
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uint8_t fileformat; /* 10:11 File format */
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uint8_t mmcecc; /* 9:8 ECC (MMC) */
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uint8_t crc; /* 7:1 CRC */
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/* 0:0 Not used */
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};
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struct mmcsd_scr_s
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{
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uint8_t scrversion; /* 63:60 Version of SCR structure */
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uint8_t sdversion; /* 59:56 SD memory card physical layer version */
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uint8_t erasestate; /* 55:55 Data state after erase (1 or 0) */
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uint8_t security; /* 54:52 SD security support */
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uint8_t buswidth; /* 51:48 DAT bus widthes supported */
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/* 47:32 SD reserved space */
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uint32_t mfgdata; /* 31:0 Reserved for manufacturing data */
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};
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/********************************************************************************************
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* Public Data
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********************************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/********************************************************************************************
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* Public Functions
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********************************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __DRIVERS_MMCSD_MMCSD_SDIO_H */
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