drivers/mmc/s3c2410mci.h

   1 /*
   2  *  linux/drivers/mmc/s3c2410mci.h - Samsung S3C2410 SDI Interface driver
   3  *
   4  *  Copyright (C) 2004 Thomas Kleffel, All Rights Reserved.
   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 version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 struct clk;
  12
  13 //FIXME: DMA Resource management ?!
  14 #define S3C2410SDI_DMA 0
  15
  16 enum s3c2410sdi_waitfor {
  17         COMPLETION_NONE,
  18         COMPLETION_CMDSENT,
  19         COMPLETION_RSPFIN,
  20         COMPLETION_XFERFINISH,
  21         COMPLETION_XFERFINISH_RSPFIN,
  22 };
  23
  24 struct s3c2410sdi_host {
  25         struct mmc_host         *mmc;
  26
  27         struct resource         *mem;
  28         struct clk              *clk;
  29         void __iomem            *base;
  30         int                     irq;
  31         int                     irq_cd;
  32         int                     dma;
  33 #ifdef S3C2410SDI_DMA_BACKBUF
  34         dma_addr_t               dmabuf_phys;
  35         void                    *dmabuf_log;
  36         unsigned int             dmabuf_size;
  37 #endif
  38
  39         struct mmc_request      *mrq;
  40
  41         spinlock_t              complete_lock;
  42         struct completion       complete_request;
  43         struct completion       complete_dma;
  44         enum s3c2410sdi_waitfor complete_what;
  45 };