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155 lines
5.1 KiB
C
155 lines
5.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2006 Bernd Walter. All rights reserved.
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* Copyright (c) 2006 M. Warner Losh <imp@FreeBSD.org>
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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_MMCBRVAR_H
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#define DEV_MMC_MMCBRVAR_H
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#include <dev/mmc/mmcreg.h>
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#include "mmcbr_if.h"
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enum mmcbr_device_ivars {
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MMCBR_IVAR_BUS_MODE,
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MMCBR_IVAR_BUS_WIDTH,
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MMCBR_IVAR_CHIP_SELECT,
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MMCBR_IVAR_CLOCK,
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MMCBR_IVAR_F_MIN,
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MMCBR_IVAR_F_MAX,
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MMCBR_IVAR_HOST_OCR,
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MMCBR_IVAR_MODE,
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MMCBR_IVAR_OCR,
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MMCBR_IVAR_POWER_MODE,
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MMCBR_IVAR_RETUNE_REQ,
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MMCBR_IVAR_VDD,
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MMCBR_IVAR_VCCQ,
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MMCBR_IVAR_CAPS,
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MMCBR_IVAR_TIMING,
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MMCBR_IVAR_MAX_DATA,
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MMCBR_IVAR_MAX_BUSY_TIMEOUT
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};
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/*
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* Simplified accessors for bridge devices
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*/
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#define MMCBR_ACCESSOR(var, ivar, type) \
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__BUS_ACCESSOR(mmcbr, var, MMCBR, ivar, type)
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MMCBR_ACCESSOR(bus_mode, BUS_MODE, int)
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MMCBR_ACCESSOR(bus_width, BUS_WIDTH, int)
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MMCBR_ACCESSOR(chip_select, CHIP_SELECT, int)
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MMCBR_ACCESSOR(clock, CLOCK, int)
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MMCBR_ACCESSOR(f_max, F_MAX, int)
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MMCBR_ACCESSOR(f_min, F_MIN, int)
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MMCBR_ACCESSOR(host_ocr, HOST_OCR, int)
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MMCBR_ACCESSOR(mode, MODE, int)
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MMCBR_ACCESSOR(ocr, OCR, int)
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MMCBR_ACCESSOR(power_mode, POWER_MODE, int)
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MMCBR_ACCESSOR(vdd, VDD, int)
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MMCBR_ACCESSOR(vccq, VCCQ, int)
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MMCBR_ACCESSOR(caps, CAPS, int)
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MMCBR_ACCESSOR(timing, TIMING, int)
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MMCBR_ACCESSOR(max_data, MAX_DATA, int)
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MMCBR_ACCESSOR(max_busy_timeout, MAX_BUSY_TIMEOUT, u_int)
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static int __inline
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mmcbr_get_retune_req(device_t dev)
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{
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uintptr_t v;
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if (__predict_false(BUS_READ_IVAR(device_get_parent(dev), dev,
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MMCBR_IVAR_RETUNE_REQ, &v) != 0))
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return (retune_req_none);
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return ((int)v);
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}
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/*
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* Convenience wrappers for the mmcbr interface
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*/
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static int __inline
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mmcbr_update_ios(device_t dev)
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{
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return (MMCBR_UPDATE_IOS(device_get_parent(dev), dev));
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}
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static int __inline
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mmcbr_tune(device_t dev, bool hs400)
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{
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return (MMCBR_TUNE(device_get_parent(dev), dev, hs400));
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}
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static int __inline
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mmcbr_retune(device_t dev, bool reset)
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{
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return (MMCBR_RETUNE(device_get_parent(dev), dev, reset));
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}
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static int __inline
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mmcbr_switch_vccq(device_t dev)
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{
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return (MMCBR_SWITCH_VCCQ(device_get_parent(dev), dev));
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}
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static int __inline
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mmcbr_get_ro(device_t dev)
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{
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return (MMCBR_GET_RO(device_get_parent(dev), dev));
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}
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#endif /* DEV_MMC_MMCBRVAR_H */
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