/**************************************************************************//**
 * @file     lpc_sdmmc.h (SD/MMC common defines)
 * @brief    Common definitions used with SD/MMC controllers and cards
 * @version  V1.00
 * @date     02. November 2011
 *
 * @note
 * Copyright (C) 201 NXP Semiconductors. All rights reserved.
 *
 * @par
 * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
 * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 *
 ******************************************************************************/

#ifndef __LPC_SDMMC_H
#define __LPC_SDMMC_H

#ifdef __cplusplus
 extern "C" {
#endif

/** @addtogroup LPCSDMMC_Definitions Common SDMMC Definitions
*/

/* SD/MMC commands - this matrix shows the command, response types, and
   supported card type for that command.
   Command                 Number Resp  SD  MMC
   ----------------------- ------ ----- --- ---
   Reset (go idle)         CMD0   NA    x   x
   Send op condition       CMD1   R3        x
   All send CID            CMD2   R2    x   x
   Send relative address   CMD3   R1        x
   Send relative address   CMD3   R6    x
   Program DSR             CMD4   NA        x
   Select/deselect card    CMD7   R1b       x
   Select/deselect card    CMD7   R1    x
   Send CSD                CMD9   R2    x   x
   Send CID                CMD10  R2    x   x
   Read data until stop    CMD11  R1    x   x
   Stop transmission       CMD12  R1/b  x   x
   Send status             CMD13  R1    x   x
   Go inactive state       CMD15  NA    x   x
   Set block length        CMD16  R1    x   x
   Read single block       CMD17  R1    x   x
   Read multiple blocks    CMD18  R1    x   x
   Write data until stop   CMD20  R1        x
   Setblock count          CMD23  R1        x
   Write single block      CMD24  R1    x   x
   Write multiple blocks   CMD25  R1    x   x
   Program CID             CMD26  R1        x
   Program CSD             CMD27  R1    x   x
   Set write protection    CMD28  R1b   x   x
   Clear write protection  CMD29  R1b   x   x
   Send write protection   CMD30  R1    x   x
   Erase block start       CMD32  R1    x
   Erase block end         CMD33  R1    x
   Erase block start       CMD35  R1        x
   Erase block end         CMD36  R1        x
   Erase blocks            CMD38  R1b       x
   Fast IO                 CMD39  R4        x
   Go IRQ state            CMD40  R5        x
   Lock/unlock             CMD42  R1b       x
   Application command     CMD55  R1        x
   General command         CMD56  R1b       x

   *** SD card application commands - these must be preceded with ***
   *** MMC CMD55 application specific command first               ***
   Set bus width           ACMD6  R1    x
   Send SD status          ACMD13 R1    x
   Send number WR blocks   ACMD22 R1    x
   Set WR block erase cnt  ACMD23 R1    x
   Send op condition       ACMD41 R3    x
   Set clear card detect   ACMD42 R1    x
   Send CSR                ACMD51 R1    x */

/** \brief  SD/MMC command enumeration value.
 */
typedef enum
{
  SDMMC_IDLE,              /*!<  Put card in idle mode */
  MMC_SENDOP_COND,         /*!<  Send operating condition */
  SDMMC_ALL_SEND_CID,      /*!<  All cards send CID */
  SDMMC_SRA,               /*!<  Set relative address */
  MMC_PROGRAM_DSR,         /*!<  Program DSR */
  SDMMC_SELECT_CARD,       /*!< Select card */
  SDMMC_SEND_CSD,          /*!< Send CSD data */
  SDMMC_SEND_CID,          /*!< Send CID register data (with rel. addr) */
  SDMMC_READ_UNTIL_STOP,   /*!< Read data until stop */
  SDMMC_STOP_XFER,         /*!< Stop current transmission */
  SDMMC_SSTAT,             /*!< Send status */
  SDMMC_INACTIVE,          /*!< Put card in inactive state */
  SDMMC_SET_BLEN,          /*!< Set block transfer length */
  SDMMC_READ_SINGLE,       /*!< Read single block */
  SDMMC_READ_MULTIPLE,     /*!< Read multiple blocks */
  SDMMC_WRITE_UNTIL_STOP,  /*!< Write data until stop */
  SDMMC_SET_BLOCK_COUNT,   /*!< Set block count */
  SDMMC_WRITE_SINGLE,      /*!< Write single block */
  SDMMC_WRITE_MULTIPLE,    /*!< Write multiple blocks */
  MMC_PROGRAM_CID,         /*!< Program CID */
  SDMMC_PROGRAM_CSD,       /*!< Program CSD */
  SDMMC_SET_WR_PROT,       /*!< Set write protection */
  SDMMC_CLEAR_WR_PROT,     /*!< Clear write protection */
  SDMMC_SEND_WR_PROT,      /*!< Send write protection */
  SD_ERASE_BLOCK_START,    /*!< Set starting erase block */
  SD_ERASE_BLOCK_END,      /*!< Set ending erase block */
  MMC_ERASE_BLOCK_START,   /*!< Set starting erase block */
  MMC_ERASE_BLOCK_END,     /*!< Set ending erase block */
  MMC_ERASE_BLOCKS,        /*!< Erase blocks */
  MMC_FAST_IO,             /*!< Fast IO */
  MMC_GO_IRQ_STATE,        /*!< Go into IRQ state */
  MMC_LOCK_UNLOCK,         /*!< Lock/unlock */
  SDMMC_APP_CMD,           /*!< Application specific command */
  SDMMC_GEN_CMD,           /*!< General purpose command */
  SDMMC_INVALID_CMD        /*!< Invalid SDMMC command */
} SDMMC_COMMAND_T;

/** \brief  SDMMC application specific commands for SD cards only - these
   must be preceded by the SDMMC CMD55 to work correctly.
*/
typedef enum
{
  SD_SET_BUS_WIDTH,        /*!< Set the SD bus width */
  SD_SEND_STATUS,          /*!< Send the SD card status */
  SD_SEND_WR_BLOCKS,       /*!< Send the number of written clocks */
  SD_SET_ERASE_COUNT,      /*!< Set the number of blocks to pre-erase */
  SD_SENDOP_COND,          /*!< Send the OCR register (init) */
  SD_CLEAR_CARD_DET,       /*!< Set or clear the 50K detect pullup */
  SD_SEND_SCR,             /*!< Send the SD configuration register */
  SD_INVALID_APP_CMD       /*!< Invalid SD application command */
} SD_APP_CMD_T;

/** \brief  Possible SDMMC response types
*/
typedef enum
{
  SDMMC_RESPONSE_R1,       /*!< Typical status */
  SDMMC_RESPONSE_R1B,      /*!< Typical status with busy */
  SDMMC_RESPONSE_R2,       /*!< CID/CSD registers (CMD2 and CMD10) */
  SDMMC_RESPONSE_R3,       /*!< OCR register (CMD1, ACMD41) */
  SDMMC_RESPONSE_R4,       /*!< Fast IO response word */
  SDMMC_RESPONSE_R5,       /*!< Go IRQ state response word */
  SDMMC_RESPONSE_R6,       /*!< Published RCA response */
  SDMMC_RESPONSE_NONE      /*!< No response expected */
} SDMMC_RESPONSE_T;

/** \brief  Possible SDMMC card state types
*/
typedef enum
{
  SDMMC_IDLE_ST = 0,   /*!< Idle state */
  SDMMC_READY_ST,      /*!< Ready state */
  SDMMC_IDENT_ST,      /*!< Identification State */
  SDMMC_STBY_ST,       /*!< standby state */
  SDMMC_TRAN_ST,       /*!< transfer state */
  SDMMC_DATA_ST,       /*!< Sending-data State */
  SDMMC_RCV_ST,        /*!< Receive-data State */
  SDMMC_PRG_ST,        /*!< Programming State */
  SDMMC_DIS_ST         /*!< Disconnect State */
} SDMMC_STATE_T;

#ifdef __cplusplus
}
#endif

/* Standard MMC commands (3.1)           type  argument     response */
/* class 1 */
#define MMC_GO_IDLE_STATE         0   /* bc                          */
#define MMC_SEND_OP_COND          1   /* bcr  [31:0]  OCR        R3  */
#define MMC_ALL_SEND_CID          2   /* bcr                     R2  */
#define MMC_SET_RELATIVE_ADDR     3   /* ac   [31:16] RCA        R1  */
#define MMC_SET_DSR               4   /* bc   [31:16] RCA            */
#define MMC_SELECT_CARD           7   /* ac   [31:16] RCA        R1  */
#define MMC_SEND_EXT_CSD          8   /* bc                      R1  */
#define MMC_SEND_CSD              9   /* ac   [31:16] RCA        R2  */
#define MMC_SEND_CID             10   /* ac   [31:16] RCA        R2  */
#define MMC_STOP_TRANSMISSION    12   /* ac                      R1b */
#define MMC_SEND_STATUS          13   /* ac   [31:16] RCA        R1  */
#define MMC_GO_INACTIVE_STATE    15   /* ac   [31:16] RCA            */

/* class 2 */
#define MMC_SET_BLOCKLEN         16   /* ac   [31:0]  block len  R1  */
#define MMC_READ_SINGLE_BLOCK    17   /* adtc [31:0]  data addr  R1  */
#define MMC_READ_MULTIPLE_BLOCK  18   /* adtc [31:0]  data addr  R1  */

/* class 3 */
#define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0]  data addr  R1  */

/* class 4 */
#define MMC_SET_BLOCK_COUNT      23   /* adtc [31:0]  data addr  R1  */
#define MMC_WRITE_BLOCK          24   /* adtc [31:0]  data addr  R1  */
#define MMC_WRITE_MULTIPLE_BLOCK 25   /* adtc                    R1  */
#define MMC_PROGRAM_CID          26   /* adtc                    R1  */
#define MMC_PROGRAM_CSD          27   /* adtc                    R1  */

/* class 6 */
#define MMC_SET_WRITE_PROT       28   /* ac   [31:0]  data addr  R1b */
#define MMC_CLR_WRITE_PROT       29   /* ac   [31:0]  data addr  R1b */
#define MMC_SEND_WRITE_PROT      30   /* adtc [31:0]  wpdata addr R1  */

/* class 5 */
#define MMC_ERASE_GROUP_START    35   /* ac   [31:0]  data addr  R1  */
#define MMC_ERASE_GROUP_END      36   /* ac   [31:0]  data addr  R1  */
#define MMC_ERASE                37   /* ac                      R1b */

/* class 9 */
#define MMC_FAST_IO              39   /* ac   <Complex>          R4  */
#define MMC_GO_IRQ_STATE         40   /* bcr                     R5  */

/* class 7 */
#define MMC_LOCK_UNLOCK          42   /* adtc                    R1b */

/* class 8 */
#define MMC_APP_CMD              55   /* ac   [31:16] RCA        R1  */
#define MMC_GEN_CMD              56   /* adtc [0]     RD/WR      R1b */

/* SD commands                           type  argument     response */
/* class 8 */
/* This is basically the same command as for MMC with some quirks. */
#define SD_SEND_RELATIVE_ADDR     3   /* ac                      R6  */
#define SD_CMD8                   8   /* bcr  [31:0]  OCR        R3  */

/* Application commands */
#define SD_APP_SET_BUS_WIDTH      6   /* ac   [1:0]   bus width  R1   */
#define SD_APP_OP_COND           41   /* bcr  [31:0]  OCR        R1 (R4)  */
#define SD_APP_SEND_SCR          51   /* adtc                    R1   */

/*
  MMC status in R1
  Type
    e : error bit
    s : status bit
    r : detected and set for the actual command response
    x : detected and set during command execution. the host must poll
        the card by sending status command in order to read these bits.
  Clear condition
    a : according to the card state
    b : always related to the previous command. Reception of
        a valid command will clear it (with a delay of one command)
    c : clear by read
 */

#define R1_OUT_OF_RANGE         (1UL<<31)    /* er, c */
#define R1_ADDRESS_ERROR        (1<<30)    /* erx, c */
#define R1_BLOCK_LEN_ERROR      (1<<29)    /* er, c */
#define R1_ERASE_SEQ_ERROR      (1<<28)    /* er, c */
#define R1_ERASE_PARAM          (1<<27)    /* ex, c */
#define R1_WP_VIOLATION         (1<<26)    /* erx, c */
#define R1_CARD_IS_LOCKED       (1<<25)    /* sx, a */
#define R1_LOCK_UNLOCK_FAILED   (1<<24)    /* erx, c */
#define R1_COM_CRC_ERROR        (1<<23)    /* er, b */
#define R1_ILLEGAL_COMMAND      (1<<22)    /* er, b */
#define R1_CARD_ECC_FAILED      (1<<21)    /* ex, c */
#define R1_CC_ERROR             (1<<20)    /* erx, c */
#define R1_ERROR                (1<<19)    /* erx, c */
#define R1_UNDERRUN             (1<<18)    /* ex, c */
#define R1_OVERRUN              (1<<17)    /* ex, c */
#define R1_CID_CSD_OVERWRITE    (1<<16)    /* erx, c, CID/CSD overwrite */
#define R1_WP_ERASE_SKIP        (1<<15)    /* sx, c */
#define R1_CARD_ECC_DISABLED    (1<<14)    /* sx, a */
#define R1_ERASE_RESET          (1<<13)    /* sr, c */
#define R1_STATUS(x)            (x & 0xFFFFE000)
#define R1_CURRENT_STATE(x)     ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
#define R1_READY_FOR_DATA       (1<<8) /* sx, a */
#define R1_APP_CMD              (1<<5) /* sr, c */

#define OCR_ALL_READY           (1UL<<31)    /* Card Power up status bit */
#define OCR_HC_CCS              (1<<30)  /* High capacity card */
#define OCR_VOLTAGE_RANGE_MSK   0x00ff8000

#define SD_SEND_IF_ARG          0x000001AA
#define SD_SEND_IF_ECHO_MSK     0x000000FF
#define SD_SEND_IF_RESP         0x000000AA


#define CMD_MASK_RESP       (0x3UL<<28)
#define CMD_RESP(r)         (((r) & 0x3)<<28)
#define CMD_RESP_R0         (0<<28)
#define CMD_RESP_R1         (1<<28)
#define CMD_RESP_R2         (2<<28)
#define CMD_RESP_R3         (3<<28)
#define CMD_BIT_AUTO_STOP   (1<<24)
#define CMD_BIT_APP         (1<<23)
#define CMD_BIT_INIT        (1<<22)
#define CMD_BIT_BUSY        (1<<21)
#define CMD_BIT_LS          (1<<20) /* Low speed, used during acquire */
#define CMD_BIT_DATA        (1<<19)
#define CMD_BIT_WRITE       (1<<18)
#define CMD_BIT_STREAM      (1<<17)
#define CMD_MASK_CMD        (0xff)
#define CMD_SHIFT_CMD       (0)

#define CMD(c,r)        ( ((c) &  CMD_MASK_CMD) | CMD_RESP((r)) )

#define CMD_IDLE            CMD(MMC_GO_IDLE_STATE,0) | CMD_BIT_LS    | CMD_BIT_INIT
#define CMD_SD_OP_COND      CMD(SD_APP_OP_COND,1)      | CMD_BIT_LS | CMD_BIT_APP
#define CMD_SD_SEND_IF_COND CMD(SD_CMD8,1)      | CMD_BIT_LS
#define CMD_MMC_OP_COND     CMD(MMC_SEND_OP_COND,3)    | CMD_BIT_LS | CMD_BIT_INIT
#define CMD_ALL_SEND_CID    CMD(MMC_ALL_SEND_CID,2)    | CMD_BIT_LS
#define CMD_MMC_SET_RCA     CMD(MMC_SET_RELATIVE_ADDR,1) | CMD_BIT_LS
#define CMD_SD_SEND_RCA     CMD(SD_SEND_RELATIVE_ADDR,1) | CMD_BIT_LS
#define CMD_SEND_CSD        CMD(MMC_SEND_CSD,2) | CMD_BIT_LS
#define CMD_SEND_EXT_CSD    CMD(MMC_SEND_EXT_CSD,1) | CMD_BIT_LS | CMD_BIT_DATA
#define CMD_DESELECT_CARD   CMD(MMC_SELECT_CARD,0)
#define CMD_SELECT_CARD     CMD(MMC_SELECT_CARD,1)
#define CMD_SET_BLOCKLEN    CMD(MMC_SET_BLOCKLEN,1)
#define CMD_SEND_STATUS     CMD(MMC_SEND_STATUS,1)
#define CMD_READ_SINGLE     CMD(MMC_READ_SINGLE_BLOCK,1) | CMD_BIT_DATA
#define CMD_READ_MULTIPLE   CMD(MMC_READ_MULTIPLE_BLOCK,1) | CMD_BIT_DATA | CMD_BIT_AUTO_STOP
#define CMD_SD_SET_WIDTH    CMD(SD_APP_SET_BUS_WIDTH,1)| CMD_BIT_APP
#define CMD_STOP            CMD(MMC_STOP_TRANSMISSION,1) | CMD_BIT_BUSY
#define CMD_WRITE_SINGLE    CMD(MMC_WRITE_BLOCK,1) | CMD_BIT_DATA | CMD_BIT_WRITE
#define CMD_WRITE_MULTIPLE  CMD(MMC_WRITE_MULTIPLE_BLOCK,1) | CMD_BIT_DATA | CMD_BIT_WRITE | CMD_BIT_AUTO_STOP

#define MMC_SECTOR_SIZE     512

#endif /* end __LPC_SDMMC_H */
/*****************************************************************************
**                            End Of File
******************************************************************************/
