xref: /openbmc/linux/drivers/mmc/core/sdio_ops.h (revision 82e6fdd6)
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 
18 struct mmc_host;
19 struct mmc_card;
20 struct work_struct;
21 
22 int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr);
23 int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
24 	unsigned addr, u8 in, u8* out);
25 int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
26 	unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz);
27 int sdio_reset(struct mmc_host *host);
28 unsigned int mmc_align_data_size(struct mmc_card *card, unsigned int sz);
29 void sdio_irq_work(struct work_struct *work);
30 
31 static inline bool sdio_is_io_busy(u32 opcode, u32 arg)
32 {
33 	u32 addr;
34 
35 	addr = (arg >> 9) & 0x1FFFF;
36 
37 	return (opcode == SD_IO_RW_EXTENDED ||
38 		(opcode == SD_IO_RW_DIRECT &&
39 		!(addr == SDIO_CCCR_ABORT || addr == SDIO_CCCR_SUSPEND)));
40 }
41 
42 #endif
43 
44