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171 lines
6.4 KiB
C
171 lines
6.4 KiB
C
/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Paul Fleischer <paul@xpg.dk>
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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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* 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 the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _SDIF_H_
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#define _SDIF_H_
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#include <sys/types.h>
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#include <sys/queue.h>
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/* Delay function used by SD/MMC drivers */
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void sdmmc_delay(int);
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#define SDMMC_SECTOR_SIZE_SB 9
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#define SDMMC_SECTOR_SIZE (1 << SDMMC_SECTOR_SIZE_SB) /* =512 */
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struct sdmmc_csd {
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int csdver; /* CSD structure format */
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u_int mmcver; /* MMC version (for CID format) */
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int capacity; /* total number of sectors */
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int read_bl_len; /* block length for reads */
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int write_bl_len; /* block length for writes */
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int r2w_factor;
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int tran_speed; /* transfer speed (kbit/s) */
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int ccc; /* Card Command Class for SD */
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/* ... */
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};
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struct sdmmc_cid {
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int mid; /* manufacturer identification number */
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int oid; /* OEM/product identification number */
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char pnm[8]; /* product name (MMC v1 has the longest) */
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int rev; /* product revision */
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int psn; /* product serial number */
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int mdt; /* manufacturing date */
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};
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struct sdmmc_scr {
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int sd_spec;
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int bus_width;
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};
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typedef uint32_t sdmmc_response[4];
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struct sdmmc_command {
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uint16_t c_opcode; /* SD or MMC command index */
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uint32_t c_arg; /* SD/MMC command argument */
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sdmmc_response c_resp; /* response buffer */
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/*bus_dmamap_t c_dmamap;*/
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void *c_data; /* buffer to send or read into */
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int c_datalen; /* length of data buffer */
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int c_blklen; /* block length */
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int c_flags; /* see below */
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#define SCF_ITSDONE (1U << 0) /* command is complete */
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#define SCF_RSP_PRESENT (1U << 1)
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#define SCF_RSP_BSY (1U << 2)
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#define SCF_RSP_136 (1U << 3)
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#define SCF_RSP_CRC (1U << 4)
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#define SCF_RSP_IDX (1U << 5)
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#define SCF_CMD_READ (1U << 6) /* read command (data expected) */
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/* non SPI */
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#define SCF_CMD_AC (0U << 8)
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#define SCF_CMD_ADTC (1U << 8)
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#define SCF_CMD_BC (2U << 8)
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#define SCF_CMD_BCR (3U << 8)
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#define SCF_CMD_MASK (3U << 8)
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/* SPI */
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#define SCF_RSP_SPI_S1 (1U << 10)
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#define SCF_RSP_SPI_S2 (1U << 11)
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#define SCF_RSP_SPI_B4 (1U << 12)
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#define SCF_RSP_SPI_BSY (1U << 13)
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/* response types */
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#define SCF_RSP_R0 0 /* none */
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#define SCF_RSP_R1 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
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#define SCF_RSP_R1B (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX|SCF_RSP_BSY)
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#define SCF_RSP_R2 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_136)
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#define SCF_RSP_R3 (SCF_RSP_PRESENT)
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#define SCF_RSP_R4 (SCF_RSP_PRESENT)
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#define SCF_RSP_R5 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
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#define SCF_RSP_R5B (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX|SCF_RSP_BSY)
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#define SCF_RSP_R6 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
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#define SCF_RSP_R7 (SCF_RSP_PRESENT|SCF_RSP_CRC|SCF_RSP_IDX)
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/* SPI */
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#define SCF_RSP_SPI_R1 (SCF_RSP_SPI_S1)
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#define SCF_RSP_SPI_R1B (SCF_RSP_SPI_S1|SCF_RSP_SPI_BSY)
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#define SCF_RSP_SPI_R2 (SCF_RSP_SPI_S1|SCF_RSP_SPI_S2)
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#define SCF_RSP_SPI_R3 (SCF_RSP_SPI_S1|SCF_RSP_SPI_B4)
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#define SCF_RSP_SPI_R4 (SCF_RSP_SPI_S1|SCF_RSP_SPI_B4)
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#define SCF_RSP_SPI_R5 (SCF_RSP_SPI_S1|SCF_RSP_SPI_S2)
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#define SCF_RSP_SPI_R7 (SCF_RSP_SPI_S1|SCF_RSP_SPI_B4)
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int c_error; /* errno value on completion */
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/* Host controller owned fields for data xfer in progress */
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int c_resid; /* remaining I/O */
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u_char *c_buf; /* remaining data */
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};
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/*
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* Decoded PC Card 16 based Card Information Structure (CIS),
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* per card (function 0) and per function (1 and greater).
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*/
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struct sdmmc_cis {
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uint16_t manufacturer;
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#define SDMMC_VENDOR_INVALID 0xffff
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uint16_t product;
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#define SDMMC_PRODUCT_INVALID 0xffff
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uint8_t function;
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#define SDMMC_FUNCTION_INVALID 0xff
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u_char cis1_major;
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u_char cis1_minor;
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char cis1_info_buf[256];
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char *cis1_info[4];
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};
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#define SMF_INITED 0x0001
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#define SMF_SD_MODE 0x0002 /* host in SD mode (MMC otherwise) */
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#define SMF_IO_MODE 0x0004 /* host in I/O mode (SD mode only) */
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#define SMF_MEM_MODE 0x0008 /* host in memory mode (SD or MMC) */
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#define SMF_CARD_PRESENT 0x4000 /* card presence noticed */
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#define SMF_CARD_ATTACHED 0x8000 /* card driver(s) attached */
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#define SMF_CARD_SDHC 0x0010 /* card is sdhc */
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#define SMC_CAPS_AUTO_STOP 0x0001 /* send CMD12 automagically by host */
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#define SMC_CAPS_4BIT_MODE 0x0002 /* 4-bits data bus width */
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#define SMC_CAPS_DMA 0x0004 /* DMA transfer */
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#define SMC_CAPS_SPI_MODE 0x0008 /* SPI mode */
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#define SMC_CAPS_POLL_CARD_DET 0x0010 /* Polling card detect */
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#define SMC_CAPS_SINGLE_ONLY 0x0020 /* only single read/write */
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#endif
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