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 29 struct 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 45 static inline uint8_t 46 RD1(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 51 static inline void 52 WR1(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 57 int dwc_hdmi_get_edid(device_t, uint8_t **, uint32_t *); 58 int dwc_hdmi_set_videomode(device_t, const struct videomode *); 59 int dwc_hdmi_init(device_t); 60 61 #endif /* __DWC_HDMI_H__ */ 62