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