a05f727930
hdmi-codec.h does not appear to directly need drm/drm_edid.h for anything. Remove it. There are some files that get drm/drm_edid.h by proxy; include it where needed. v2-v4: Fix build (kernel test robot <lkp@intel.com>) Cc: Rob Clark <robdclark@gmail.com> Cc: Abhinav Kumar <quic_abhinavk@quicinc.com> Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: Sean Paul <sean@poorly.run> Cc: Marijn Suijten <marijn.suijten@somainline.org> Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: Andrzej Hajda <andrzej.hajda@intel.com> Cc: Neil Armstrong <neil.armstrong@linaro.org> Cc: Robert Foss <rfoss@kernel.org> Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com> Cc: Jonas Karlman <jonas@kwiboo.se> Cc: Jernej Skrabec <jernej.skrabec@gmail.com> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: linux-sound@vger.kernel.org Acked-by: Maxime Ripard <mripard@kernel.org> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: <jyri.sarha@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240104201632.1100753-3-jani.nikula@intel.com
141 lines
3.0 KiB
C
141 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* hdmi-codec.h - HDMI Codec driver API
|
|
*
|
|
* Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com
|
|
*
|
|
* Author: Jyri Sarha <jsarha@ti.com>
|
|
*/
|
|
|
|
#ifndef __HDMI_CODEC_H__
|
|
#define __HDMI_CODEC_H__
|
|
|
|
#include <linux/of_graph.h>
|
|
#include <linux/hdmi.h>
|
|
#include <sound/asoundef.h>
|
|
#include <sound/soc.h>
|
|
#include <uapi/sound/asound.h>
|
|
|
|
/*
|
|
* Protocol between ASoC cpu-dai and HDMI-encoder
|
|
*/
|
|
struct hdmi_codec_daifmt {
|
|
enum {
|
|
HDMI_I2S,
|
|
HDMI_RIGHT_J,
|
|
HDMI_LEFT_J,
|
|
HDMI_DSP_A,
|
|
HDMI_DSP_B,
|
|
HDMI_AC97,
|
|
HDMI_SPDIF,
|
|
} fmt;
|
|
unsigned int bit_clk_inv:1;
|
|
unsigned int frame_clk_inv: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;
|
|
};
|
|
|
|
/*
|
|
* HDMI audio parameters
|
|
*/
|
|
struct hdmi_codec_params {
|
|
struct hdmi_audio_infoframe cea;
|
|
struct snd_aes_iec958 iec;
|
|
int sample_rate;
|
|
int sample_width;
|
|
int channels;
|
|
};
|
|
|
|
typedef void (*hdmi_codec_plugged_cb)(struct device *dev,
|
|
bool plugged);
|
|
|
|
struct hdmi_codec_pdata;
|
|
struct hdmi_codec_ops {
|
|
/*
|
|
* Called when ASoC starts an audio stream setup.
|
|
* Optional
|
|
*/
|
|
int (*audio_startup)(struct device *dev, void *data);
|
|
|
|
/*
|
|
* Configures HDMI-encoder for audio stream.
|
|
* 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
|
|
*/
|
|
void (*audio_shutdown)(struct device *dev, void *data);
|
|
|
|
/*
|
|
* Mute/unmute HDMI audio stream.
|
|
* Optional
|
|
*/
|
|
int (*mute_stream)(struct device *dev, void *data,
|
|
bool enable, int direction);
|
|
|
|
/*
|
|
* Provides EDID-Like-Data from connected HDMI device.
|
|
* Optional
|
|
*/
|
|
int (*get_eld)(struct device *dev, void *data,
|
|
uint8_t *buf, size_t len);
|
|
|
|
/*
|
|
* Getting DAI ID
|
|
* Optional
|
|
*/
|
|
int (*get_dai_id)(struct snd_soc_component *comment,
|
|
struct device_node *endpoint);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/* bit field */
|
|
unsigned int no_capture_mute:1;
|
|
};
|
|
|
|
/* HDMI codec initalization data */
|
|
struct hdmi_codec_pdata {
|
|
const struct hdmi_codec_ops *ops;
|
|
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;
|
|
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__ */
|