/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Fleischer <[email protected]>
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

/*
* Copyright (c) 2006 Uwe Stuehler <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SDIF_H_
#define _SDIF_H_

#include <sys/types.h>
#include <sys/queue.h>

/* Delay function used by SD/MMC drivers */
void sdmmc_delay(int);

#define SDMMC_SECTOR_SIZE_SB    9
#define SDMMC_SECTOR_SIZE       (1 << SDMMC_SECTOR_SIZE_SB)     /* =512 */

struct sdmmc_csd {
       int     csdver;         /* CSD structure format */
       u_int   mmcver;         /* MMC version (for CID format) */
       int     capacity;       /* total number of sectors */
       int     read_bl_len;    /* block length for reads */
       int     write_bl_len;   /* block length for writes */
       int     r2w_factor;
       int     tran_speed;     /* transfer speed (kbit/s) */
       int     ccc;            /* Card Command Class for SD */
       /* ... */
};

struct sdmmc_cid {
       int     mid;            /* manufacturer identification number */
       int     oid;            /* OEM/product identification number */
       char    pnm[8];         /* product name (MMC v1 has the longest) */
       int     rev;            /* product revision */
       int     psn;            /* product serial number */
       int     mdt;            /* manufacturing date */
};

struct sdmmc_scr {
       int     sd_spec;
       int     bus_width;
};

typedef uint32_t sdmmc_response[4];

struct sdmmc_command {
       uint16_t         c_opcode;      /* SD or MMC command index */
       uint32_t         c_arg;         /* SD/MMC command argument */
       sdmmc_response   c_resp;        /* response buffer */
       /*bus_dmamap_t   c_dmamap;*/
       void            *c_data;        /* buffer to send or read into */
       int              c_datalen;     /* length of data buffer */
       int              c_blklen;      /* block length */
       int              c_flags;       /* see below */
#define SCF_ITSDONE     (1U << 0)               /* command is complete */
#define SCF_RSP_PRESENT (1U << 1)
#define SCF_RSP_BSY     (1U << 2)
#define SCF_RSP_136     (1U << 3)
#define SCF_RSP_CRC     (1U << 4)
#define SCF_RSP_IDX     (1U << 5)
#define SCF_CMD_READ    (1U << 6)       /* read command (data expected) */
/* non SPI */
#define SCF_CMD_AC      (0U << 8)
#define SCF_CMD_ADTC    (1U << 8)
#define SCF_CMD_BC      (2U << 8)
#define SCF_CMD_BCR     (3U << 8)
#define SCF_CMD_MASK    (3U << 8)
/* SPI */
#define SCF_RSP_SPI_S1  (1U << 10)
#define SCF_RSP_SPI_S2  (1U << 11)
#define SCF_RSP_SPI_B4  (1U << 12)
#define SCF_RSP_SPI_BSY (1U << 13)
/* response types */
#define SCF_RSP_R0      0       /* none */
#define SCF_RSP_R1      (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
#define SCF_RSP_R1B     (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX|SCF_RSP_BSY)
#define SCF_RSP_R2      (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_136)
#define SCF_RSP_R3      (SCF_RSP_PRESENT)
#define SCF_RSP_R4      (SCF_RSP_PRESENT)
#define SCF_RSP_R5      (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
#define SCF_RSP_R5B     (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX|SCF_RSP_BSY)
#define SCF_RSP_R6      (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
#define SCF_RSP_R7      (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
/* SPI */
#define SCF_RSP_SPI_R1  (SCF_RSP_SPI_S1)
#define SCF_RSP_SPI_R1B (SCF_RSP_SPI_S1|SCF_RSP_SPI_BSY)
#define SCF_RSP_SPI_R2  (SCF_RSP_SPI_S1|SCF_RSP_SPI_S2)
#define SCF_RSP_SPI_R3  (SCF_RSP_SPI_S1|SCF_RSP_SPI_B4)
#define SCF_RSP_SPI_R4  (SCF_RSP_SPI_S1|SCF_RSP_SPI_B4)
#define SCF_RSP_SPI_R5  (SCF_RSP_SPI_S1|SCF_RSP_SPI_S2)
#define SCF_RSP_SPI_R7  (SCF_RSP_SPI_S1|SCF_RSP_SPI_B4)
       int              c_error;       /* errno value on completion */

       /* Host controller owned fields for data xfer in progress */
       int c_resid;                    /* remaining I/O */
       u_char *c_buf;                  /* remaining data */
};

/*
* Decoded PC Card 16 based Card Information Structure (CIS),
* per card (function 0) and per function (1 and greater).
*/
struct sdmmc_cis {
       uint16_t         manufacturer;
#define SDMMC_VENDOR_INVALID    0xffff
       uint16_t         product;
#define SDMMC_PRODUCT_INVALID   0xffff
       uint8_t          function;
#define SDMMC_FUNCTION_INVALID  0xff
       u_char           cis1_major;
       u_char           cis1_minor;
       char             cis1_info_buf[256];
       char            *cis1_info[4];
};

#define SMF_INITED              0x0001
#define SMF_SD_MODE             0x0002  /* host in SD mode (MMC otherwise) */
#define SMF_IO_MODE             0x0004  /* host in I/O mode (SD mode only) */
#define SMF_MEM_MODE            0x0008  /* host in memory mode (SD or MMC) */
#define SMF_CARD_PRESENT        0x4000  /* card presence noticed */
#define SMF_CARD_ATTACHED       0x8000  /* card driver(s) attached */
#define SMF_CARD_SDHC           0x0010  /* card is sdhc */

#define SMC_CAPS_AUTO_STOP      0x0001  /* send CMD12 automagically by host */
#define SMC_CAPS_4BIT_MODE      0x0002  /* 4-bits data bus width */
#define SMC_CAPS_DMA            0x0004  /* DMA transfer */
#define SMC_CAPS_SPI_MODE       0x0008  /* SPI mode */
#define SMC_CAPS_POLL_CARD_DET  0x0010  /* Polling card detect */
#define SMC_CAPS_SINGLE_ONLY    0x0020  /* only single read/write */

#endif

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