129 lines
5.3 KiB
C
129 lines
5.3 KiB
C
/*-
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* Copyright (c) 2006 Bernd Walter. All rights reserved.
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* Copyright (c) 2006 M. Warner Losh. All rights reserved.
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* Copyright (c) 2017 Marius Strobl <marius@FreeBSD.org>
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* Copyright (c) Huawei Technologies Co., Ltd. 2019-2020. All rights reserved.
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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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Portions of this software may have been developed with reference to
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* the SD Simplified Specification. The following disclaimer may apply:
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*
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* The following conditions apply to the release of the simplified
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* specification ("Simplified Specification") by the SD Card Association and
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* the SD Group. The Simplified Specification is a subset of the complete SD
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* Specification which is owned by the SD Card Association and the SD
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* Group. This Simplified Specification is provided on a non-confidential
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* basis subject to the disclaimers below. Any implementation of the
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* Simplified Specification may require a license from the SD Card
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* Association, SD Group, SD-3C LLC or other third parties.
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*
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* Disclaimers:
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*
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* The information contained in the Simplified Specification is presented only
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* as a standard specification for SD Cards and SD Host/Ancillary products and
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* is provided "AS-IS" without any representations or warranties of any
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* kind. No responsibility is assumed by the SD Group, SD-3C LLC or the SD
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* Card Association for any damages, any infringements of patents or other
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* right of the SD Group, SD-3C LLC, the SD Card Association or any third
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* parties, which may result from its use. No license is granted by
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* implication, estoppel or otherwise under any patent or other rights of the
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* SD Group, SD-3C LLC, the SD Card Association or any third party. Nothing
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* herein shall be construed as an obligation by the SD Group, the SD-3C LLC
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* or the SD Card Association to disclose or distribute any technical
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* information, know-how or other confidential information to any third party.
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*/
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#ifndef DEV_MMC_MMCSD_H
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#define DEV_MMC_MMCSD_H
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#include "bridge.h"
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#include "mmc_subr.h"
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#include "mmcbrvar.h"
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#include "mmcvar.h"
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#include "mmc_adapt.h"
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#include "mmc_bio.h"
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#define MMCSD_TASK_STACK_SIZE 0x1000 //0x6000
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#define MMCSD_TASK_PRIORITY 0x6
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#define MMCSD_DISK_LOCK(_part) mtx_lock((_part)->disk_mtx)
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#define MMCSD_DISK_UNLOCK(_part) mtx_unlock((_part)->disk_mtx)
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#define MMCSD_DISK_LOCK_INIT(_part) \
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mtx_init((_part)->disk_mtx, (_part)->name, "mmcsd disk", PTHREAD_MUTEX_NORMAL)
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#define MMCSD_DISK_LOCK_DESTROY(_part) mtx_destroy((_part)->disk_mtx);
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#define MMCSD_PART_NAMELEN 17
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struct mmcsd_softc {
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device_t dev;
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device_t mmcbus;
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struct mmcsd_part *part[MMC_PART_MAX];
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enum mmc_card_mode mode;
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u_int max_data; /* Maximum data size [blocks] */
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uint8_t ext_csd[MMC_EXTCSD_SIZE]; /* Make sure that the start addr is aligned by 4-byte */
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u_int erase_sector; /* Device native erase sector size [blocks] */
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uint8_t high_cap; /* High Capacity device (block addressed) */
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uint8_t part_curr; /* Partition currently switched to */
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uint16_t rca;
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uint32_t flags;
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#define MMCSD_INAND_CMD38 0x0001
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#define MMCSD_USE_TRIM 0x0002
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#define MMCSD_USE_CMD23 4U
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uint32_t cmd6_time; /* Generic switch timeout [ms] */
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uint32_t part_time; /* Partition switch timeout [ms] */
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int log_count;
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mmc_timeval log_time;
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};
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struct mmcsd_part {
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dpal_mux_cb disk_mtx;
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struct mmcsd_softc *sc;
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uint32_t pthread_id;
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int bio_queue_state;
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#define BIO_QUEUE_NORMAL 1
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#define BIO_QUEUE_ABNORMAL 0
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unsigned long eblock, eend; /* Range remaining after the last erase. */
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u_int cnt;
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u_int type;
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int thread_running;
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int suspend;
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int ioctl;
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bool ro;
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char name[MMCSD_PART_NAMELEN];
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u_int errot_cnt;
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atomic atom_reqs; /* Current requests in block */
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int part_status;
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#define PART_NORMAL 1
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#define PART_ABNORMAL 0
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uint8_t* buffer; /* Buffer for non-aligned data transfer */
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uint32_t size; /* Buffer size */
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#define ALIGNED_BUFF_BLK_NUM 128
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uint32_t align;
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uint32_t card_capacity;
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uint32_t bio_queue_id;
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};
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extern unsigned long mmcsd_rw(struct mmcsd_part *part, struct bio *bp);
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extern int mmcsd_attach(device_t dev);
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extern int mmc_hw_reset(device_t mmcbus, device_t dev);
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extern int mmcsd_opr(struct mmcsd_part *part, struct bio *bp);
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#endif
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