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kernel/linux-rt-4.4.41/arch/arm/include/asm/hardware/scoop.h 1.93 KB
5113f6f70   김현기   kernel add
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  /*
   *  Definitions for the SCOOP interface found on various Sharp PDAs
   *
   *  Copyright (c) 2004 Richard Purdie
   *
   *  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.
   *
   */
  
  #define SCOOP_MCR  0x00
  #define SCOOP_CDR  0x04
  #define SCOOP_CSR  0x08
  #define SCOOP_CPR  0x0C
  #define SCOOP_CCR  0x10
  #define SCOOP_IRR  0x14
  #define SCOOP_IRM  0x14
  #define SCOOP_IMR  0x18
  #define SCOOP_ISR  0x1C
  #define SCOOP_GPCR 0x20
  #define SCOOP_GPWR 0x24
  #define SCOOP_GPRR 0x28
  
  #define SCOOP_CPR_OUT	(1 << 7)
  #define SCOOP_CPR_SD_3V	(1 << 2)
  #define SCOOP_CPR_CF_XV	(1 << 1)
  #define SCOOP_CPR_CF_3V	(1 << 0)
  
  #define SCOOP_GPCR_PA22	(1 << 12)
  #define SCOOP_GPCR_PA21	(1 << 11)
  #define SCOOP_GPCR_PA20	(1 << 10)
  #define SCOOP_GPCR_PA19	(1 << 9)
  #define SCOOP_GPCR_PA18	(1 << 8)
  #define SCOOP_GPCR_PA17	(1 << 7)
  #define SCOOP_GPCR_PA16	(1 << 6)
  #define SCOOP_GPCR_PA15	(1 << 5)
  #define SCOOP_GPCR_PA14	(1 << 4)
  #define SCOOP_GPCR_PA13	(1 << 3)
  #define SCOOP_GPCR_PA12	(1 << 2)
  #define SCOOP_GPCR_PA11	(1 << 1)
  
  struct scoop_config {
  	unsigned short io_out;
  	unsigned short io_dir;
  	unsigned short suspend_clr;
  	unsigned short suspend_set;
  	int gpio_base;
  };
  
  /* Structure for linking scoop devices to PCMCIA sockets */
  struct scoop_pcmcia_dev {
  	struct device *dev;     /* Pointer to this socket's scoop device */
  	int	irq;                /* irq for socket */
  	int cd_irq;
  	const char *cd_irq_str;
  	unsigned char keep_vs;
  	unsigned char keep_rd;
  };
  
  struct scoop_pcmcia_config {
  	struct scoop_pcmcia_dev *devs;
  	int num_devs;
  	void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
  };
  
  extern struct scoop_pcmcia_config *platform_scoop_config;
  
  void reset_scoop(struct device *dev);
  unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
  void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);