/*      $NetBSD: imx_pcic.h,v 1.4 2026/02/02 06:23:37 skrll Exp $       */

/*
 * IMX CF interface to pcic/pcmcia
 * derived from pxa2x0_pcic
 * Sun Apr  1 21:42:37 PDT 2007
 */

/*      $NetBSD: imx_pcic.h,v 1.4 2026/02/02 06:23:37 skrll Exp $       */
/*      $OpenBSD: pxapcicvar.h,v 1.7 2005/12/14 15:08:51 uwe Exp $ */

/*
 * Copyright (c) 2005 Dale Rahn <drahn@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _IMX_PCIC_H_
#define _IMX_PCIC_H_

struct imx_pcic_socket {
        struct imx_pcic_softc *sc;
        int socket;             /* socket number */
        device_t pcmcia;
        struct lwp *event_thread;

        int flags;
        int power_capability;   /* IMX_PCIC_POWER_3V | IMX_PCIC_POWER_5V */

        int irqpin;
        void *irq;

        void *pcictag_cookie;   /* opaque data for pcictag functions */
        struct imx_pcic_tag *pcictag;
};

/* event */
#define IMX_PCIC_EVENT_INSERTION        0
#define IMX_PCIC_EVENT_REMOVAL  1

/* flags */
#define IMX_PCIC_FLAG_CARDD     0
#define IMX_PCIC_FLAG_CARDP     1

struct imx_pcic_tag {
        u_int (*read)(struct imx_pcic_socket *, int);
        void (*write)(struct imx_pcic_socket *, int, u_int);
        void (*set_power)(struct imx_pcic_socket *, int);
        void (*clear_intr)(struct imx_pcic_socket *);
        void *(*intr_establish)(struct imx_pcic_socket *, int,
            int (*)(void *), void *);
        void (*intr_disestablish)(struct imx_pcic_socket *, void *);
};

#ifdef NOTYET
/* pcictag registers and their values */
#define IMX_PCIC_CARD_STATUS    0
#define  IMX_PCIC_CARD_INVALID  0
#define  IMX_PCIC_CARD_VALID    1
#define IMX_PCIC_CARD_READY     1
#define IMX_PCIC_CARD_POWER     2
#define  IMX_PCIC_POWER_OFF     0
#define  IMX_PCIC_POWER_3V      1
#define  IMX_PCIC_POWER_5V      2
#define IMX_PCIC_CARD_RESET     3
#endif

#define IMX_PCIC_NSLOT  1                       /* ??? */

struct imx_pcic_softc {
        device_t sc_dev;
        struct imx_pcic_socket sc_socket[IMX_PCIC_NSLOT];

        bus_space_tag_t sc_iot;
        bus_space_handle_t sc_memctl_ioh;

        bus_addr_t sc_pa;

        void *sc_irq;
        int sc_shutdown;
        int sc_nslots;
        int sc_irqpin[IMX_PCIC_NSLOT];
        int sc_irqcfpin[IMX_PCIC_NSLOT];

        u_int sc_flags;
#define PPF_REVERSE_ORDER       (1 << 0)
};

void    imx_pcic_attach_common(struct imx_pcic_softc *,
            void (*socket_setup_hook)(struct imx_pcic_socket *));
int     imx_pcic_intr(void *);
void    imx_pcic_create_event_thread(void *);

#endif  /* _IMX_PCIC_H_ */