1/*-
2 * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef __DWC_HDMI_H__
30#define	__DWC_HDMI_H__
31
32struct dwc_hdmi_softc {
33	device_t		sc_dev;
34	struct resource		*sc_mem_res;
35	int			sc_mem_rid;
36	uint32_t		sc_reg_shift;
37	device_t		(*sc_get_i2c_dev)(device_t);
38
39	uint8_t			*sc_edid;
40	uint8_t			sc_edid_len;
41	struct intr_config_hook	sc_mode_hook;
42	struct videomode	sc_mode;
43
44	struct edid_info	sc_edid_info;
45	int			sc_has_audio;
46};
47
48static inline uint8_t
49RD1(struct dwc_hdmi_softc *sc, bus_size_t off)
50{
51	return (bus_read_1(sc->sc_mem_res, off << sc->sc_reg_shift));
52}
53
54static inline void
55WR1(struct dwc_hdmi_softc *sc, bus_size_t off, uint8_t val)
56{
57	bus_write_1(sc->sc_mem_res, off << sc->sc_reg_shift, val);
58}
59
60int	dwc_hdmi_get_edid(device_t, uint8_t **, uint32_t *);
61int	dwc_hdmi_set_videomode(device_t, const struct videomode *);
62int	dwc_hdmi_init(device_t);
63
64#endif	/* __DWC_HDMI_H__ */
65