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 * $FreeBSD$ 26 */ 27 28 #ifndef __DWC_HDMI_H__ 29 #define __DWC_HDMI_H__ 30 31 struct dwc_hdmi_softc { 32 device_t sc_dev; 33 struct resource *sc_mem_res; 34 int sc_mem_rid; 35 uint32_t sc_reg_shift; 36 device_t (*sc_get_i2c_dev)(device_t); 37 38 uint8_t *sc_edid; 39 uint8_t sc_edid_len; 40 struct intr_config_hook sc_mode_hook; 41 struct videomode sc_mode; 42 43 struct edid_info sc_edid_info; 44 int sc_has_audio; 45 }; 46 47 static inline uint8_t 48 RD1(struct dwc_hdmi_softc *sc, bus_size_t off) 49 { 50 return (bus_read_1(sc->sc_mem_res, off << sc->sc_reg_shift)); 51 } 52 53 static inline void 54 WR1(struct dwc_hdmi_softc *sc, bus_size_t off, uint8_t val) 55 { 56 bus_write_1(sc->sc_mem_res, off << sc->sc_reg_shift, val); 57 } 58 59 int dwc_hdmi_get_edid(device_t, uint8_t **, uint32_t *); 60 int dwc_hdmi_set_videomode(device_t, const struct videomode *); 61 int dwc_hdmi_init(device_t); 62 63 #endif /* __DWC_HDMI_H__ */ 64