/*      $OpenBSD: rtsxvar.h,v 1.6 2017/10/09 16:12:20 stsp Exp $        */

/*
 * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
 * Copyright (c) 2012 Stefan Sperling <stsp@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 _RTSXVAR_H_
#define _RTSXVAR_H_

#include <machine/bus.h>

/* Number of registers to save for suspend/resume in terms of their ranges. */
#define RTSX_NREG ((0XFDAE - 0XFDA0) + (0xFD69 - 0xFD32) + (0xFE34 - 0xFE20))

struct rtsx_softc {
        struct device   sc_dev;
        struct device   *sdmmc;         /* generic SD/MMC device */
        bus_space_tag_t iot;            /* host register set tag */
        bus_space_handle_t ioh;         /* host register set handle */
        bus_dma_tag_t   dmat;           /* DMA tag from attachment driver */
        bus_dmamap_t    dmap_cmd;       /* DMA map for command transfer */
        bus_dmamap_t    dmap_data;      /* DMA map for data transfer */
        bus_dmamap_t    dmap_adma;      /* DMA map for ADMA SG descriptors */
        caddr_t         admabuf;        /* buffer for ADMA SG descriptors */
        bus_dma_segment_t adma_segs[1]; /* segments for ADMA SG buffer */
        int             flags;
        u_int32_t       intr_status;    /* soft interrupt status */
        u_int8_t        regs[RTSX_NREG];/* host controller state */
        u_int32_t       regs4[6];       /* host controller state */
};

/* Host controller functions called by the attachment driver. */
int     rtsx_attach(struct rtsx_softc *, bus_space_tag_t,
            bus_space_handle_t, bus_size_t, bus_dma_tag_t, int);
int     rtsx_activate(struct device *, int);
int     rtsx_intr(void *);

/* flag values */
#define RTSX_F_CARD_PRESENT     0x01
#define RTSX_F_SDIO_SUPPORT     0x02
#define RTSX_F_5209             0x04
#define RTSX_F_5229             0x08
#define RTSX_F_5229_TYPE_C      0x10
#define RTSX_F_525A             0x20

#endif