LXR linux/drivers/mmc/core/sdio

   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
  42