1 1.1 jmcneill /* $NetBSD: hdmireg.h,v 1.1 2015/03/28 14:09:59 jmcneill Exp $ */ 2 1.1 jmcneill 3 1.1 jmcneill /* 4 1.1 jmcneill * Copyright (c) 2011 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.1 jmcneill * All rights reserved. 6 1.1 jmcneill * 7 1.1 jmcneill * Redistribution and use in source and binary forms, with or without 8 1.1 jmcneill * modification, are permitted provided that the following conditions 9 1.1 jmcneill * are met: 10 1.1 jmcneill * 1. Redistributions of source code must retain the above copyright 11 1.1 jmcneill * notice, this list of conditions and the following disclaimer. 12 1.1 jmcneill * 2. The name of the author may not be used to endorse or promote products 13 1.1 jmcneill * derived from this software without specific prior written permission. 14 1.1 jmcneill * 15 1.1 jmcneill * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 1.1 jmcneill * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 1.1 jmcneill * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 1.1 jmcneill * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 1.1 jmcneill * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 20 1.1 jmcneill * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 1.1 jmcneill * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 22 1.1 jmcneill * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 23 1.1 jmcneill * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 1.1 jmcneill * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 1.1 jmcneill * SUCH DAMAGE. 26 1.1 jmcneill */ 27 1.1 jmcneill 28 1.1 jmcneill #ifndef _HDMIREG_H 29 1.1 jmcneill #define _HDMIREG_H 30 1.1 jmcneill 31 1.1 jmcneill struct hdmi_audio_infoframe_header { 32 1.1 jmcneill uint8_t packet_type; 33 1.1 jmcneill uint8_t version; 34 1.1 jmcneill uint8_t length; 35 1.1 jmcneill } __packed; 36 1.1 jmcneill 37 1.1 jmcneill #define HDMI_AI_PACKET_TYPE 0x84 38 1.1 jmcneill #define HDMI_AI_VERSION 0x01 39 1.1 jmcneill #define HDMI_AI_LENGTH 0x0a 40 1.1 jmcneill 41 1.1 jmcneill struct hdmi_audio_infoframe { 42 1.1 jmcneill struct hdmi_audio_infoframe_header header; 43 1.1 jmcneill uint8_t checksum; 44 1.1 jmcneill uint8_t ct_cc; 45 1.1 jmcneill uint8_t sf_ss; 46 1.1 jmcneill uint8_t ct_ext; 47 1.1 jmcneill uint8_t ca; 48 1.1 jmcneill uint8_t dm_inh_lsv; 49 1.1 jmcneill uint8_t reserved; 50 1.1 jmcneill } __packed; 51 1.1 jmcneill 52 1.1 jmcneill #define HDMI_AI_CHANNEL_COUNT(ai) ((ai)->ct_cc & 0x07) 53 1.1 jmcneill #define HDMI_AI_CODING_TYPE(ai) ((ai)->ct_cc & 0xf0) 54 1.1 jmcneill #define HDMI_AI_SAMPLE_SIZE(ai) ((ai)->sf_ss & 0x03) 55 1.1 jmcneill #define HDMI_AI_SAMPLE_FREQUENCY(ai) ((ai)->sf_ss & 0x18) 56 1.1 jmcneill #define HDMI_AI_LSV(ai) ((ai)->dm_inh_lsv & 0x78) 57 1.1 jmcneill #define HDMI_AI_DM_INH(ai) ((ai)->dm_inh_lsv & 0x80) 58 1.1 jmcneill 59 1.1 jmcneill #endif /* !_HDMIREG_H */ 60
Indexes created Mon Sep 22 21:09:42 GMT 2025