rtt-f030/components/drivers/sdio/mmcsd_card.h

144 lines
4.6 KiB
C

/*
* File : mmcsd_card.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2011-07-25 weety first version
*/
#ifndef __MMCSD_CARD_H__
#define __MMCSD_CARD_H__
#include "mmcsd_host.h"
#include "sdio.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SD_SCR_BUS_WIDTH_1 (1 << 0)
#define SD_SCR_BUS_WIDTH_4 (1 << 2)
struct rt_mmcsd_cid {
rt_uint8_t mid; /* ManufacturerID */
rt_uint8_t prv; /* Product Revision */
rt_uint16_t oid; /* OEM/Application ID */
rt_uint32_t psn; /* Product Serial Number */
rt_uint8_t pnm[5]; /* Product Name */
rt_uint8_t reserved1;/* reserved */
rt_uint16_t mdt; /* Manufacturing Date */
rt_uint8_t crc; /* CID CRC */
rt_uint8_t reserved2;/* not used, always 1 */
};
struct rt_mmcsd_csd {
rt_uint8_t csd_structure; /* CSD register version */
rt_uint8_t taac;
rt_uint8_t nsac;
rt_uint8_t tran_speed; /* max data transfer rate */
rt_uint16_t card_cmd_class; /* card command classes */
rt_uint8_t rd_blk_len; /* max read data block length */
rt_uint8_t rd_blk_part;
rt_uint8_t wr_blk_misalign;
rt_uint8_t rd_blk_misalign;
rt_uint8_t dsr_imp; /* DSR implemented */
rt_uint8_t c_size_mult; /* CSD 1.0 , device size multiplier */
rt_uint32_t c_size; /* device size */
rt_uint8_t r2w_factor;
rt_uint8_t wr_blk_len; /* max wtire data block length */
rt_uint8_t wr_blk_partial;
rt_uint8_t csd_crc;
};
struct rt_sd_scr {
rt_uint8_t sd_version;
rt_uint8_t sd_bus_widths;
};
struct rt_sdio_cccr {
rt_uint8_t sdio_version;
rt_uint8_t sd_version;
rt_uint8_t direct_cmd:1, /* Card Supports Direct Commands during data transfer
only SD mode, not used for SPI mode */
multi_block:1, /* Card Supports Multi-Block */
read_wait:1, /* Card Supports Read Wait
only SD mode, not used for SPI mode */
suspend_resume:1, /* Card supports Suspend/Resume
only SD mode, not used for SPI mode */
s4mi:1, /* generate interrupts during a 4-bit
multi-block data transfer */
e4mi:1, /* Enable the multi-block IRQ during
4-bit transfer for the SDIO card */
low_speed:1, /* Card is a Low-Speed card */
low_speed_4:1; /* 4-bit support for Low-Speed cards */
rt_uint8_t bus_width:1, /* Support SDIO bus width, 1:4bit, 0:1bit */
cd_disable:1, /* Connect[0]/Disconnect[1] the 10K-90K ohm pull-up
resistor on CD/DAT[3] (pin 1) of the card */
power_ctrl:1, /* Support Master Power Control */
high_speed:1; /* Support High-Speed */
};
struct rt_sdio_cis {
rt_uint16_t manufacturer;
rt_uint16_t product;
rt_uint16_t func0_blk_size;
rt_uint32_t max_tran_speed;
};
#define SDIO_MAX_FUNCTIONS 7
struct rt_mmcsd_card {
struct rt_mmcsd_host *host;
rt_uint32_t rca; /* card addr */
rt_uint32_t resp_cid[4]; /* card CID register */
rt_uint32_t resp_csd[4]; /* card CSD register */
rt_uint32_t resp_scr[2]; /* card SCR register */
rt_uint16_t tacc_clks; /* data access time by ns */
rt_uint32_t tacc_ns; /* data access time by clk cycles */
rt_uint32_t max_data_rate; /* max data transfer rate */
rt_uint32_t card_capacity; /* card capacity, unit:KB */
rt_uint32_t card_blksize; /* card block size */
rt_uint16_t card_type;
#define CARD_TYPE_MMC 0 /* MMC card */
#define CARD_TYPE_SD 1 /* SD card */
#define CARD_TYPE_SDIO 2 /* SDIO card */
#define CARD_TYPE_SDIO_COMBO 3 /* SD combo (IO+mem) card */
rt_uint16_t flags;
#define CARD_FLAG_HIGHSPEED (1 << 0) /* SDIO bus speed 50MHz */
#define CARD_FLAG_SDHC (1 << 1) /* SDHC card */
#define CARD_FLAG_SDXC (1 << 2) /* SDXC card */
struct rt_sd_scr scr;
struct rt_mmcsd_csd csd;
rt_uint32_t hs_max_data_rate; /* max data transfer rate in high speed mode */
rt_uint8_t sdio_function_num; /* totol number of SDIO functions */
struct rt_sdio_cccr cccr; /* common card info */
struct rt_sdio_cis cis; /* common tuple info */
struct rt_sdio_function *sdio_func0;
struct rt_sdio_function *sdio_function[SDIO_MAX_FUNCTIONS]; /* SDIO functions (devices) */
//struct rt_sdio_function_tuple *tuples; /* tuples */
};
#ifdef __cplusplus
}
#endif
#endif