mmc/core/sdio_ops.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  *  linux/drivers/mmc/sdio_ops.c
0004  *
0005  *  Copyright 2006-2007 Pierre Ossman
0006  */
0007
0008 #ifndef _MMC_SDIO_OPS_H
0009 #define _MMC_SDIO_OPS_H
0010
0011 #include <linux/types.h>
0012 #include <linux/mmc/sdio.h>
0013
0014 struct mmc_host;
0015 struct mmc_card;
0016 struct work_struct;
0017
0018 int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr);
0019 int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
0020     unsigned addr, u8 in, u8* out);
0021 int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
0022     unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz);
0023 int sdio_reset(struct mmc_host *host);
0024 void sdio_irq_work(struct work_struct *work);
0025
0026 static inline bool sdio_is_io_busy(u32 opcode, u32 arg)
0027 {
0028     u32 addr;
0029
0030     addr = (arg >> 9) & 0x1FFFF;
0031
0032     return (opcode == SD_IO_RW_EXTENDED ||
0033         (opcode == SD_IO_RW_DIRECT &&
0034         !(addr == SDIO_CCCR_ABORT || addr == SDIO_CCCR_SUSPEND)));
0035 }
0036
0037 #endif
0038