LXR linux/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
  43struct 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 */
  52struct 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
  61struct 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
  67extern struct scoop_pcmcia_config *platform_scoop_config;
  68
  69void reset_scoop(struct device *dev);
  70unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
  71void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);
  72