diff options
Diffstat (limited to 'include/sound/hdmi-codec.h')
| -rw-r--r-- | include/sound/hdmi-codec.h | 60 |
1 files changed, 44 insertions, 16 deletions
diff --git a/include/sound/hdmi-codec.h b/include/sound/hdmi-codec.h index 9483c55f871b..273f4c36fad9 100644 --- a/include/sound/hdmi-codec.h +++ b/include/sound/hdmi-codec.h @@ -1,18 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * hdmi-codec.h - HDMI Codec driver API * - * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com + * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com * * Author: Jyri Sarha <jsarha@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * 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_CODEC_H__ @@ -20,7 +12,6 @@ #include <linux/of_graph.h> #include <linux/hdmi.h> -#include <drm/drm_edid.h> #include <sound/asoundef.h> #include <sound/soc.h> #include <uapi/sound/asound.h> @@ -40,8 +31,13 @@ struct hdmi_codec_daifmt { } fmt; unsigned int bit_clk_inv:1; unsigned int frame_clk_inv:1; - unsigned int bit_clk_master:1; - unsigned int frame_clk_master:1; + unsigned int bit_clk_provider:1; + unsigned int frame_clk_provider:1; + /* bit_fmt could be standard PCM format or + * IEC958 encoded format. ALSA IEC958 plugin will pass + * IEC958_SUBFRAME format to the underneath driver. + */ + snd_pcm_format_t bit_fmt; }; /* @@ -55,6 +51,9 @@ struct hdmi_codec_params { int channels; }; +typedef void (*hdmi_codec_plugged_cb)(struct device *dev, + bool plugged); + struct hdmi_codec_pdata; struct hdmi_codec_ops { /* @@ -65,13 +64,23 @@ struct hdmi_codec_ops { /* * Configures HDMI-encoder for audio stream. - * Mandatory + * Having either prepare or hw_params is mandatory. */ int (*hw_params)(struct device *dev, void *data, struct hdmi_codec_daifmt *fmt, struct hdmi_codec_params *hparms); /* + * Configures HDMI-encoder for audio stream. Can be called + * multiple times for each setup. + * + * Having either prepare or hw_params is mandatory. + */ + int (*prepare)(struct device *dev, void *data, + struct hdmi_codec_daifmt *fmt, + struct hdmi_codec_params *hparms); + + /* * Shuts down the audio stream. * Mandatory */ @@ -81,7 +90,8 @@ struct hdmi_codec_ops { * Mute/unmute HDMI audio stream. * Optional */ - int (*digital_mute)(struct device *dev, void *data, bool enable); + int (*mute_stream)(struct device *dev, void *data, + bool enable, int direction); /* * Provides EDID-Like-Data from connected HDMI device. @@ -95,18 +105,36 @@ struct hdmi_codec_ops { * Optional */ int (*get_dai_id)(struct snd_soc_component *comment, - struct device_node *endpoint); + struct device_node *endpoint, + void *data); + + /* + * Hook callback function to handle connector plug event. + * Optional + */ + int (*hook_plugged_cb)(struct device *dev, void *data, + hdmi_codec_plugged_cb fn, + struct device *codec_dev); }; /* HDMI codec initalization data */ struct hdmi_codec_pdata { const struct hdmi_codec_ops *ops; + u64 i2s_formats; uint i2s:1; + uint no_i2s_playback:1; + uint no_i2s_capture:1; uint spdif:1; + uint no_spdif_playback:1; + uint no_spdif_capture:1; + uint no_capture_mute:1; int max_i2s_channels; void *data; }; +struct snd_soc_component; +struct snd_soc_jack; + #define HDMI_CODEC_DRV_NAME "hdmi-audio-codec" #endif /* __HDMI_CODEC_H__ */ |