171 lines
5.2 KiB
C
171 lines
5.2 KiB
C
/****************************************************************************
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* include/nuttx/mmcsd.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_MMCSD_H
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#define __INCLUDE_NUTTX_MMCSD_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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#include <nuttx/fs/ioctl.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* mmcsd ioctl */
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#define MMC_IOC_CMD _MMCSDIOC(0x0000)
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#define MMC_IOC_MULTI_CMD _MMCSDIOC(0x0001)
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#define MMC_IOC_MAX_BYTES (512L * 1024)
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#define MMC_IOC_MAX_CMDS 255
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#define mmc_ioc_cmd_set_data(ic, ptr) (ic).data_ptr = (uint64_t)(unsigned long)(ptr)
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/* rpmb request */
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#define MMC_RPMB_WRITE_KEY 0x01
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#define MMC_RPMB_READ_CNT 0x02
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#define MMC_RPMB_WRITE 0x03
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#define MMC_RPMB_READ 0x04
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct mmc_ioc_cmd
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{
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/* Direction of data: nonzero = write, zero = read.
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* Bit 31 selects 'Reliable Write' for RPMB.
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*/
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int write_flag;
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/* Application-specific command. true = precede with CMD55 */
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int is_acmd;
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uint32_t opcode;
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uint32_t arg;
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uint32_t response[4]; /* CMD response */
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unsigned int flags;
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unsigned int blksz;
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unsigned int blocks;
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/* For 64-bit machines, the next member, ``uint64_t data_ptr``, wants to
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* be 8-byte aligned. Make sure this struct is the same size when
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* built for 32-bit.
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*/
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uint32_t pad;
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/* DAT buffer */
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uint64_t data_ptr;
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};
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/* struct mmc_ioc_multi_cmd - multi command information
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* @num_of_cmds: Number of commands to send. Must be equal to or less than
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* MMC_IOC_MAX_CMDS.
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* @cmds: Array of commands with length equal to 'num_of_cmds'
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*/
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struct mmc_ioc_multi_cmd
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{
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uint64_t num_of_cmds;
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struct mmc_ioc_cmd cmds[1];
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};
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struct mmc_rpmb_frame_s
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{
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uint8_t stuff[196];
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uint8_t key_mac[32];
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uint8_t data[256];
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uint8_t nonce[16];
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uint32_t write_counter;
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uint16_t addr;
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uint16_t block_count;
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uint16_t result;
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uint16_t req_resp;
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};
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/****************************************************************************
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* Public Functions Definitions
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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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{
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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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* Name: mmcsd_slotinitialize
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*
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* Description:
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* Initialize one slot for operation using the MMC/SD interface
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*
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* Input Parameters:
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* minor - The MMC/SD minor device number. The MMC/SD device will be
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* registered as /dev/mmcsdN where N is the minor number
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* dev - And instance of an MMC/SD interface. The MMC/SD hardware should
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* be initialized and ready to use.
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*
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****************************************************************************/
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struct sdio_dev_s; /* See nuttx/sdio.h */
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int mmcsd_slotinitialize(int minor, FAR struct sdio_dev_s *dev);
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/****************************************************************************
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* Name: mmcsd_spislotinitialize
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*
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* Description:
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* Initialize one slot for operation using the SPI MMC/SD interface
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*
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* Input Parameters:
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* minor - The MMC/SD minor device number. The MMC/SD device will be
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* registered as /dev/mmcsdN where N is the minor number
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* slotno - The slot number to use. This is only meaningful for
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* architectures that support multiple MMC/SD slots. This value must be
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* in the range {0, ..., CONFIG_MMCSD_NSLOTS}.
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* spi - And instance of an SPI interface obtained by called the
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* appropriate xyz_spibus_initialize() function for the MCU "xyz" with
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* the appropriate port number.
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*
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****************************************************************************/
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struct spi_dev_s; /* See nuttx/spi/spi.h */
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int mmcsd_spislotinitialize(int minor, int slotno,
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FAR struct spi_dev_s *spi);
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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 /* __INCLUDE_NUTTX_MMCSD_H */
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