/*      $NetBSD: pxa2x0_pcic.h,v 1.5 2012/10/27 17:17:42 chs 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 _PXA2X0_PCIC_H_
#define _PXA2X0_PCIC_H_

struct pxapcic_socket {
        struct pxapcic_softc *sc;
        int socket;             /* socket number */
        device_t pcmcia;
        struct lwp *event_thread;

        int flags;
        int power_capability;   /* PXAPCIC_POWER_3V | PXAPCIC_POWER_5V */

        int irqpin;
        void *irq;

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

/* event */
#define PXAPCIC_EVENT_INSERTION 0
#define PXAPCIC_EVENT_REMOVAL   1

/* flags */
#define PXAPCIC_FLAG_CARDD      0
#define PXAPCIC_FLAG_CARDP      1

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

/* pcictag registers and their values */
#define PXAPCIC_CARD_STATUS     0
#define  PXAPCIC_CARD_INVALID   0
#define  PXAPCIC_CARD_VALID     1
#define PXAPCIC_CARD_READY      1
#define PXAPCIC_CARD_POWER      2
#define  PXAPCIC_POWER_OFF      0
#define  PXAPCIC_POWER_3V       1
#define  PXAPCIC_POWER_5V       2
#define PXAPCIC_CARD_RESET      3

#define PXAPCIC_NSLOT   2

struct pxapcic_softc {
        device_t sc_dev;
        struct pxapcic_socket sc_socket[PXAPCIC_NSLOT];

        bus_space_tag_t sc_iot;
        bus_space_handle_t sc_memctl_ioh;

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

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

void    pxapcic_attach_common(struct pxapcic_softc *,
            void (*socket_setup_hook)(struct pxapcic_socket *));
int     pxapcic_intr(void *);
void    pxapcic_create_event_thread(void *);

#endif  /* _PXA2X0_PCIC_H_ */