/* $OpenBSD: armv7var.h,v 1.18 2021/04/02 03:02:46 tb Exp $ */
/*
 * Copyright (c) 2005,2008 Dale Rahn <drahn@openbsd.org>
 * Copyright (c) 2012-2013 Patrick Wildt <patrick@blueri.se>
 *
 * 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 __ARMV7VAR_H__
#define __ARMV7VAR_H__

extern struct bus_space armv7_bs_tag;

/* Boards device list */
struct board_dev {
        char    *name;
        int     unit;
};

/* Needed by omap */
struct armv7_softc {
        struct device sc_dv;

        struct board_dev *sc_board_devs;
};

/* Physical memory range for on-chip devices. */

struct armv7mem {
        bus_addr_t      addr;
        bus_size_t      size;
};

#define ARMV7_DEV_NMEM 6
#define ARMV7_DEV_NIRQ 4
#define ARMV7_DEV_NDMA 4

/* Descriptor for all on-chip devices. */
struct armv7_dev {
        char    *name;                  /* driver name or made up name */
        int     unit;                   /* driver instance number or -1 */
        struct  armv7mem mem[ARMV7_DEV_NMEM]; /* memory ranges */
        int     irq[ARMV7_DEV_NIRQ];    /* IRQ number(s) */
        int     dma[ARMV7_DEV_NDMA];    /* DMA chan number(s) */
};

/* Passed as third arg to attach functions. */
struct armv7_attach_args {
        struct armv7_dev        *aa_dev;
        bus_space_tag_t         aa_iot;
        bus_dma_tag_t           aa_dmat;
};

extern struct armv7_dev *armv7_devs;

void    armv7_set_devs(struct armv7_dev *);
struct  armv7_dev *armv7_find_dev(const char *, int);
void    armv7_attach(struct device *, struct device *, void *);
int     armv7_submatch(struct device *, void *, void *);

#endif /* __ARMV7VAR_H__ */