arch/arm/include/asm/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_CPR_OUT   (1 << 7)
  26 #define SCOOP_CPR_SD_3V (1 << 2)
  27 #define SCOOP_CPR_CF_XV (1 << 1)
  28 #define SCOOP_CPR_CF_3V (1 << 0)
  29
  30 #define SCOOP_GPCR_PA22 (1 << 12)
  31 #define SCOOP_GPCR_PA21 (1 << 11)
  32 #define SCOOP_GPCR_PA20 (1 << 10)
  33 #define SCOOP_GPCR_PA19 (1 << 9)
  34 #define SCOOP_GPCR_PA18 (1 << 8)
  35 #define SCOOP_GPCR_PA17 (1 << 7)
  36 #define SCOOP_GPCR_PA16 (1 << 6)
  37 #define SCOOP_GPCR_PA15 (1 << 5)
  38 #define SCOOP_GPCR_PA14 (1 << 4)
  39 #define SCOOP_GPCR_PA13 (1 << 3)
  40 #define SCOOP_GPCR_PA12 (1 << 2)
  41 #define SCOOP_GPCR_PA11 (1 << 1)
  42
  43 struct scoop_config {
  44         unsigned short io_out;
  45         unsigned short io_dir;
  46         unsigned short suspend_clr;
  47         unsigned short suspend_set;
  48         int gpio_base;
  49 };
  50
  51 /* Structure for linking scoop devices to PCMCIA sockets */
  52 struct scoop_pcmcia_dev {
  53         struct device *dev;     /* Pointer to this socket's scoop device */
  54         int     irq;                /* irq for socket */
  55         int cd_irq;
  56         const char *cd_irq_str;
  57         unsigned char keep_vs;
  58         unsigned char keep_rd;
  59 };
  60
  61 struct scoop_pcmcia_config {
  62         struct scoop_pcmcia_dev *devs;
  63         int num_devs;
  64         void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
  65 };
  66
  67 extern struct scoop_pcmcia_config *platform_scoop_config;
  68
  69 void reset_scoop(struct device *dev);
  70 unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
  71 void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);