xref: /openbmc/qemu/include/hw/sd/sdcard_legacy.h (revision d7df0ceee0fd2e512cd214a9074ebeeb40da3099)
19006f1e7SPhilippe Mathieu-Daudé /*
29006f1e7SPhilippe Mathieu-Daudé  * SD Memory Card emulation (deprecated legacy API)
39006f1e7SPhilippe Mathieu-Daudé  *
49006f1e7SPhilippe Mathieu-Daudé  * Copyright (c) 2006 Andrzej Zaborowski  <balrog@zabor.org>
59006f1e7SPhilippe Mathieu-Daudé  *
69006f1e7SPhilippe Mathieu-Daudé  * Redistribution and use in source and binary forms, with or without
79006f1e7SPhilippe Mathieu-Daudé  * modification, are permitted provided that the following conditions
89006f1e7SPhilippe Mathieu-Daudé  * are met:
99006f1e7SPhilippe Mathieu-Daudé  *
109006f1e7SPhilippe Mathieu-Daudé  * 1. Redistributions of source code must retain the above copyright
119006f1e7SPhilippe Mathieu-Daudé  *    notice, this list of conditions and the following disclaimer.
129006f1e7SPhilippe Mathieu-Daudé  * 2. Redistributions in binary form must reproduce the above copyright
139006f1e7SPhilippe Mathieu-Daudé  *    notice, this list of conditions and the following disclaimer in
149006f1e7SPhilippe Mathieu-Daudé  *    the documentation and/or other materials provided with the
159006f1e7SPhilippe Mathieu-Daudé  *    distribution.
169006f1e7SPhilippe Mathieu-Daudé  *
179006f1e7SPhilippe Mathieu-Daudé  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
189006f1e7SPhilippe Mathieu-Daudé  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
199006f1e7SPhilippe Mathieu-Daudé  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
209006f1e7SPhilippe Mathieu-Daudé  * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
219006f1e7SPhilippe Mathieu-Daudé  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
229006f1e7SPhilippe Mathieu-Daudé  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
239006f1e7SPhilippe Mathieu-Daudé  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
249006f1e7SPhilippe Mathieu-Daudé  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
259006f1e7SPhilippe Mathieu-Daudé  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
269006f1e7SPhilippe Mathieu-Daudé  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
279006f1e7SPhilippe Mathieu-Daudé  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
289006f1e7SPhilippe Mathieu-Daudé  */
299006f1e7SPhilippe Mathieu-Daudé #ifndef HW_SDCARD_LEGACY_H
309006f1e7SPhilippe Mathieu-Daudé #define HW_SDCARD_LEGACY_H
319006f1e7SPhilippe Mathieu-Daudé 
329006f1e7SPhilippe Mathieu-Daudé #include "hw/sd/sd.h"
339006f1e7SPhilippe Mathieu-Daudé 
349006f1e7SPhilippe Mathieu-Daudé /* Legacy functions to be used only by non-qdevified callers */
359006f1e7SPhilippe Mathieu-Daudé SDState *sd_init(BlockBackend *blk, bool is_spi);
369006f1e7SPhilippe Mathieu-Daudé int sd_do_command(SDState *card, SDRequest *request, uint8_t *response);
37*c769a88dSPhilippe Mathieu-Daudé void sd_write_byte(SDState *card, uint8_t value);
38*c769a88dSPhilippe Mathieu-Daudé uint8_t sd_read_byte(SDState *card);
399006f1e7SPhilippe Mathieu-Daudé void sd_set_cb(SDState *card, qemu_irq readonly, qemu_irq insert);
409006f1e7SPhilippe Mathieu-Daudé 
419006f1e7SPhilippe Mathieu-Daudé /* sd_enable should not be used -- it is only used on the nseries boards,
429006f1e7SPhilippe Mathieu-Daudé  * where it is part of a broken implementation of the MMC card slot switch
439006f1e7SPhilippe Mathieu-Daudé  * (there should be two card slots which are multiplexed to a single MMC
449006f1e7SPhilippe Mathieu-Daudé  * controller, but instead we model it with one card and controller and
459006f1e7SPhilippe Mathieu-Daudé  * disable the card when the second slot is selected, so it looks like the
469006f1e7SPhilippe Mathieu-Daudé  * second slot is always empty).
479006f1e7SPhilippe Mathieu-Daudé  */
489006f1e7SPhilippe Mathieu-Daudé void sd_enable(SDState *card, bool enable);
499006f1e7SPhilippe Mathieu-Daudé 
509006f1e7SPhilippe Mathieu-Daudé #endif /* HW_SDCARD_LEGACY_H */
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