/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  Definitions for the SCOOP interface found on various Sharp PDAs
 *
 *  Copyright (c) 2004 Richard Purdie
 */

#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);