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kernel/linux-imx6_3.14.28/drivers/mmc/host/s3cmci.h 1.56 KB
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  /*
   *  linux/drivers/mmc/s3cmci.h - Samsung S3C MCI driver
   *
   *  Copyright (C) 2004-2006 Thomas Kleffel, All Rights Reserved.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  enum s3cmci_waitfor {
  	COMPLETION_NONE,
  	COMPLETION_FINALIZE,
  	COMPLETION_CMDSENT,
  	COMPLETION_RSPFIN,
  	COMPLETION_XFERFINISH,
  	COMPLETION_XFERFINISH_RSPFIN,
  };
  
  struct s3cmci_host {
  	struct platform_device	*pdev;
  	struct s3c24xx_mci_pdata *pdata;
  	struct mmc_host		*mmc;
  	struct resource		*mem;
  	struct clk		*clk;
  	void __iomem		*base;
  	int			irq;
  	int			irq_cd;
  	int			dma;
  
  	unsigned long		clk_rate;
  	unsigned long		clk_div;
  	unsigned long		real_rate;
  	u8			prescaler;
  
  	int			is2440;
  	unsigned		sdiimsk;
  	unsigned		sdidata;
  	int			dodma;
  	int			dmatogo;
  
  	bool			irq_disabled;
  	bool			irq_enabled;
  	bool			irq_state;
  	int			sdio_irqen;
  
  	struct mmc_request	*mrq;
  	int			cmd_is_stop;
  
  	spinlock_t		complete_lock;
  	enum s3cmci_waitfor	complete_what;
  
  	int			dma_complete;
  
  	u32			pio_sgptr;
  	u32			pio_bytes;
  	u32			pio_count;
  	u32			*pio_ptr;
  #define XFER_NONE 0
  #define XFER_READ 1
  #define XFER_WRITE 2
  	u32			pio_active;
  
  	int			bus_width;
  
  	char 			dbgmsg_cmd[301];
  	char 			dbgmsg_dat[301];
  	char			*status;
  
  	unsigned int		ccnt, dcnt;
  	struct tasklet_struct	pio_tasklet;
  
  #ifdef CONFIG_DEBUG_FS
  	struct dentry		*debug_root;
  	struct dentry		*debug_state;
  	struct dentry		*debug_regs;
  #endif
  
  #ifdef CONFIG_CPU_FREQ
  	struct notifier_block	freq_transition;
  #endif
  };