include/asm-arm/hardware/scoop.h

   1 /*
   2  *  Definitions for the SCOOP interface found on various Sharp PDAs
   3  *
   4  *  Copyright (c) 2004 Richard Purdie
   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
  12 #define SCOOP_MCR  0x00
  13 #define SCOOP_CDR  0x04
  14 #define SCOOP_CSR  0x08
  15 #define SCOOP_CPR  0x0C
  16 #define SCOOP_CCR  0x10
  17 #define SCOOP_IRR  0x14
  18 #define SCOOP_IRM  0x14
  19 #define SCOOP_IMR  0x18
  20 #define SCOOP_ISR  0x1C
  21 #define SCOOP_GPCR 0x20
  22 #define SCOOP_GPWR 0x24
  23 #define SCOOP_GPRR 0x28
  24
  25 #define SCOOP_GPCR_PA22 ( 1 << 12 )
  26 #define SCOOP_GPCR_PA21 ( 1 << 11 )
  27 #define SCOOP_GPCR_PA20 ( 1 << 10 )
  28 #define SCOOP_GPCR_PA19 ( 1 << 9 )
  29 #define SCOOP_GPCR_PA18 ( 1 << 8 )
  30 #define SCOOP_GPCR_PA17 ( 1 << 7 )
  31 #define SCOOP_GPCR_PA16 ( 1 << 6 )
  32 #define SCOOP_GPCR_PA15 ( 1 << 5 )
  33 #define SCOOP_GPCR_PA14 ( 1 << 4 )
  34 #define SCOOP_GPCR_PA13 ( 1 << 3 )
  35 #define SCOOP_GPCR_PA12 ( 1 << 2 )
  36 #define SCOOP_GPCR_PA11 ( 1 << 1 )
  37
  38 struct scoop_config {
  39         unsigned short io_out;
  40         unsigned short io_dir;
  41 };
  42
  43 void reset_scoop(struct device *dev);
  44 unsigned short set_scoop_gpio(struct device *dev, unsigned short bit);
  45 unsigned short reset_scoop_gpio(struct device *dev, unsigned short bit);
  46 unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
  47 void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);