root/drivers/mmc/core/sdio_ops.h

INCLUDED FROM

DEFINITIONS

1. sdio_is_io_busy

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  *  linux/drivers/mmc/sdio_ops.c
   4  *
   5  *  Copyright 2006-2007 Pierre Ossman
   6  */
   7 
   8 #ifndef _MMC_SDIO_OPS_H
   9 #define _MMC_SDIO_OPS_H
  10 
  11 #include <linux/types.h>
  12 #include <linux/mmc/sdio.h>
  13 
  14 struct mmc_host;
  15 struct mmc_card;
  16 struct work_struct;
  17 
  18 int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr);
  19 int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
  20         unsigned addr, u8 in, u8* out);
  21 int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
  22         unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz);
  23 int sdio_reset(struct mmc_host *host);
  24 void sdio_irq_work(struct work_struct *work);
  25 
  26 static inline bool sdio_is_io_busy(u32 opcode, u32 arg)
  27 {
  28         u32 addr;
  29 
  30         addr = (arg >> 9) & 0x1FFFF;
  31 
  32         return (opcode == SD_IO_RW_EXTENDED ||
  33                 (opcode == SD_IO_RW_DIRECT &&
  34                 !(addr == SDIO_CCCR_ABORT || addr == SDIO_CCCR_SUSPEND)));
  35 }
  36 
  37 #endif
  38