drivers/mmc/core/sdio_ops.h

   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