tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/drivers/mmc/sdio_ops.c
3 *
4 * Copyright 2006-2007 Pierre Ossman
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
10 */
11
12#ifndef _MMC_SDIO_OPS_H
13#define _MMC_SDIO_OPS_H
14
15#include <linux/types.h>
16#include <linux/mmc/sdio.h>
17
18struct mmc_host;
19struct mmc_card;
20
21int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr);
22int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
23 unsigned addr, u8 in, u8* out);
24int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
25 unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz);
26int sdio_reset(struct mmc_host *host);
27unsigned int mmc_align_data_size(struct mmc_card *card, unsigned int sz);
28
29static inline bool sdio_is_io_busy(u32 opcode, u32 arg)
30{
31 u32 addr;
32
33 addr = (arg >> 9) & 0x1FFFF;
34
35 return (opcode == SD_IO_RW_EXTENDED ||
36 (opcode == SD_IO_RW_DIRECT &&
37 !(addr == SDIO_CCCR_ABORT || addr == SDIO_CCCR_SUSPEND)));
38}
39
40#endif
41