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 32 struct 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 48 static inline uint8_t 49 RD1(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 54 static inline void 55 WR1(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 60 int dwc_hdmi_get_edid(device_t, uint8_t **, uint32_t *); 61 int dwc_hdmi_set_videomode(device_t, const struct videomode *); 62 int dwc_hdmi_init(device_t); 63 64 #endif /* __DWC_HDMI_H__ */ 65