root/sys/dev/ic/arcofivar.h
/*      $OpenBSD: arcofivar.h,v 1.3 2016/09/19 06:46:44 ratchov Exp $   */

/*
 * Copyright (c) 2011 Miodrag Vallat.
 *
 * 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.
 */

#define ARCOFI_NREGS            6

struct arcofi_softc {
        struct device           sc_dev;
        bus_addr_t              sc_reg[ARCOFI_NREGS];
        bus_space_tag_t         sc_iot;
        bus_space_handle_t      sc_ioh;

        void                    *sc_sih;

        int                     sc_open;
        int                     sc_mode;

        struct {
                uint8_t cr3, cr4;
                uint    gr_idx, gx_idx;
                int     output_mute;
        }                       sc_active,
                                sc_shadow;

        struct {
                uint8_t *buf;
                uint8_t *past;
                void    (*cb)(void *);
                void    *cbarg;
        }                       sc_recv,
                                sc_xmit;
};

void    arcofi_attach(struct arcofi_softc *, const char *);
int     arcofi_hwintr(void *);
void    arcofi_swintr(void *);