/*      $NetBSD: pxa2x0_mci.h,v 1.2 2012/01/21 19:44:28 nonaka Exp $    */

/*-
 * Copyright (C) 2006 NONAKA Kimihiro <nonaka@netbsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _PXA2X0_MCI_H_
#define _PXA2X0_MCI_H_

#include <sys/bus.h>
#include <sys/device.h>
#include <sys/mutex.h>
#include <sys/condvar.h>

#include <arm/xscale/pxa2x0_dmac.h>

struct pxamci_tag {
        void            *cookie;

        uint32_t        (*get_ocr)(void *);
        int             (*set_power)(void *, uint32_t);
        int             (*card_detect)(void *);
        int             (*write_protect)(void *);
};

struct pxamci_softc {
        device_t                sc_dev;
        bus_space_tag_t         sc_iot;
        bus_space_handle_t      sc_ioh;
        void                    *sc_ih;
        device_t                sc_sdmmc;

        struct dmac_xfer        *sc_rxdx;
        bus_dma_segment_t       sc_rxdr;        /* read descriptor */
        struct dmac_xfer        *sc_txdx;
        bus_dma_segment_t       sc_txdr;        /* write descriptor */

        struct pxamci_tag       sc_tag;

        u_int                   sc_caps;
#define PMC_CAPS_4BIT   (1U << 0)
#define PMC_CAPS_NO_DMA (1U << 1)

        u_int                   sc_flags;
#define PMF_CARDINITED  (1U << 0)

        struct sdmmc_command * volatile sc_cmd; /* command in progress */

        uint32_t sc_imask;

        uint32_t sc_ocr;                        /* selected OCR */
        int sc_maxblklen;                       /* maximum block length */
        int sc_buswidth;                        /* current bus width */

        u_int sc_clkmin;
        u_int sc_clkmax;
        u_int sc_clkbase;
        uint32_t sc_clkrt;
};

int     pxamci_attach_sub(device_t, struct pxaip_attach_args *);
void    pxamci_card_detect_event(struct pxamci_softc *);

#endif  /* _PXA2X0_MCI_H_ */