| /* |
| * include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_ext.h |
| * |
| * Copyright (C) 2017 Amlogic, Inc. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| */ |
| |
| #ifndef __HDMI_TX_EXT_H__ |
| #define __HDMI_TX_EXT_H__ |
| |
| void direct_hdcptx14_start(void); |
| void direct_hdcptx14_stop(void); |
| |
| /* |
| * HDMI TX output enable, such as ACRPacket/AudInfo/AudSample |
| * enable: 1, normal output; 0: disable output |
| */ |
| void hdmitx_ext_set_audio_output(int enable); |
| |
| /* |
| * return Audio output status |
| * 1: normal output status; 0: output disabled |
| */ |
| int hdmitx_ext_get_audio_status(void); |
| |
| /* |
| * For I2S interface, there are four input ports |
| * I2S_0/I2S_1/I2S_2/I2S_3 |
| * ch_num: must be 2/4/6/8 |
| * ch_msk: Mask for channel_num |
| * 2ch via I2S_0, set ch_num = 2 and ch_msk = 1 |
| * 4ch via I2S_1/I2S_2, set set ch_num = 4 and ch_msk = 6 |
| */ |
| void hdmitx_ext_set_i2s_mask(char ch_num, char ch_msk); |
| |
| /* |
| * get I2S mask |
| */ |
| char hdmitx_ext_get_i2s_mask(void); |
| |
| #endif |
