/*-
 * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
 *
 * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 __DWC_HDMI_H__
#define __DWC_HDMI_H__

struct dwc_hdmi_softc {
        device_t                sc_dev;
        struct resource         *sc_mem_res;
        int                     sc_mem_rid;
        uint32_t                sc_reg_shift;
        device_t                (*sc_get_i2c_dev)(device_t);

        uint8_t                 *sc_edid;
        uint8_t                 sc_edid_len;
        struct intr_config_hook sc_mode_hook;
        struct videomode        sc_mode;

        struct edid_info        sc_edid_info;
        int                     sc_has_audio;
};

static inline uint8_t
RD1(struct dwc_hdmi_softc *sc, bus_size_t off)
{
        return (bus_read_1(sc->sc_mem_res, off << sc->sc_reg_shift));
}

static inline void
WR1(struct dwc_hdmi_softc *sc, bus_size_t off, uint8_t val)
{
        bus_write_1(sc->sc_mem_res, off << sc->sc_reg_shift, val);
}

int     dwc_hdmi_get_edid(device_t, uint8_t **, uint32_t *);
int     dwc_hdmi_set_videomode(device_t, const struct videomode *);
int     dwc_hdmi_init(device_t);

#endif  /* __DWC_HDMI_H__ */