scoop.h

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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);