sdcard_legacy.h (2322B)
1 /* 2 * SD Memory Card emulation (deprecated legacy API) 3 * 4 * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 19 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR 21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 25 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #ifndef HW_SDCARD_LEGACY_H 30 #define HW_SDCARD_LEGACY_H 31 32 #include "hw/sd/sd.h" 33 34 /* Legacy functions to be used only by non-qdevified callers */ 35 SDState *sd_init(BlockBackend *blk, bool is_spi); 36 int sd_do_command(SDState *card, SDRequest *request, uint8_t *response); 37 void sd_write_byte(SDState *card, uint8_t value); 38 uint8_t sd_read_byte(SDState *card); 39 void sd_set_cb(SDState *card, qemu_irq readonly, qemu_irq insert); 40 41 /* sd_enable should not be used -- it is only used on the nseries boards, 42 * where it is part of a broken implementation of the MMC card slot switch 43 * (there should be two card slots which are multiplexed to a single MMC 44 * controller, but instead we model it with one card and controller and 45 * disable the card when the second slot is selected, so it looks like the 46 * second slot is always empty). 47 */ 48 void sd_enable(SDState *card, bool enable); 49 50 #endif /* HW_SDCARD_LEGACY_H */