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/*
* MMC Host Controller Commands
*
* Copyright (c) 2021 Google LLC
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "../libqtest.h"
/* more details at hw/sd/sdhci-internal.h */
#define SDHC_BLKSIZE 0x04
#define SDHC_BLKCNT 0x06
#define SDHC_ARGUMENT 0x08
#define SDHC_TRNMOD 0x0C
#define SDHC_CMDREG 0x0E
#define SDHC_BDATA 0x20
#define SDHC_PRNSTS 0x24
#define SDHC_BLKGAP 0x2A
#define SDHC_CLKCON 0x2C
#define SDHC_SWRST 0x2F
#define SDHC_CAPAB 0x40
#define SDHC_MAXCURR 0x48
#define SDHC_HCVER 0xFE
/* TRNSMOD Reg */
#define SDHC_TRNS_BLK_CNT_EN 0x0002
#define SDHC_TRNS_READ 0x0010
#define SDHC_TRNS_WRITE 0x0000
#define SDHC_TRNS_MULTI 0x0020
/* CMD Reg */
#define SDHC_CMD_DATA_PRESENT (1 << 5)
#define SDHC_ALL_SEND_CID (2 << 8)
#define SDHC_SEND_RELATIVE_ADDR (3 << 8)
#define SDHC_SELECT_DESELECT_CARD (7 << 8)
#define SDHC_SEND_CSD (9 << 8)
#define SDHC_STOP_TRANSMISSION (12 << 8)
#define SDHC_READ_MULTIPLE_BLOCK (18 << 8)
#define SDHC_WRITE_MULTIPLE_BLOCK (25 << 8)
#define SDHC_APP_CMD (55 << 8)
/* SWRST Reg */
#define SDHC_RESET_ALL 0x01
/* CLKCTRL Reg */
#define SDHC_CLOCK_INT_EN 0x0001
#define SDHC_CLOCK_INT_STABLE 0x0002
#define SDHC_CLOCK_SDCLK_EN (1 << 2)
/* Set registers needed to send commands to SD */
void sdhci_cmd_regs(QTestState *qts, uint64_t base_addr, uint16_t blksize,
uint16_t blkcnt, uint32_t argument, uint16_t trnmod,
uint16_t cmdreg);
/* Read at most 1 block of SD using non-DMA */
ssize_t sdhci_read_cmd(QTestState *qts, uint64_t base_addr, char *msg,
size_t count);
/* Write at most 1 block of SD using non-DMA */
void sdhci_write_cmd(QTestState *qts, uint64_t base_addr, const char *msg,
size_t count, size_t blksize);
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