root/sys/dev/ic/arcofivar.h
/*      $NetBSD: arcofivar.h,v 1.2 2019/05/08 13:40:18 isaki Exp $      */
/*      $OpenBSD: arcofivar.h,v 1.2 2011/12/25 00:07:27 miod 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 {
        device_t                sc_dev;
        bus_addr_t              sc_reg[ARCOFI_NREGS];
        bus_space_tag_t         sc_iot;
        bus_space_handle_t      sc_ioh;

        struct audio_device     sc_audio_device;

        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;
        kmutex_t                sc_lock;
        kmutex_t                sc_intr_lock;
};

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