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10 #ifndef __HDMI_CODEC_H__
11 #define __HDMI_CODEC_H__
12
13 #include <linux/of_graph.h>
14 #include <linux/hdmi.h>
15 #include <drm/drm_edid.h>
16 #include <sound/asoundef.h>
17 #include <sound/soc.h>
18 #include <uapi/sound/asound.h>
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22
23 struct hdmi_codec_daifmt {
24 enum {
25 HDMI_I2S,
26 HDMI_RIGHT_J,
27 HDMI_LEFT_J,
28 HDMI_DSP_A,
29 HDMI_DSP_B,
30 HDMI_AC97,
31 HDMI_SPDIF,
32 } fmt;
33 unsigned int bit_clk_inv:1;
34 unsigned int frame_clk_inv:1;
35 unsigned int bit_clk_master:1;
36 unsigned int frame_clk_master:1;
37 };
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41
42 struct hdmi_codec_params {
43 struct hdmi_audio_infoframe cea;
44 struct snd_aes_iec958 iec;
45 int sample_rate;
46 int sample_width;
47 int channels;
48 };
49
50 typedef void (*hdmi_codec_plugged_cb)(struct device *dev,
51 bool plugged);
52
53 struct hdmi_codec_pdata;
54 struct hdmi_codec_ops {
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59 int (*audio_startup)(struct device *dev, void *data);
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65 int (*hw_params)(struct device *dev, void *data,
66 struct hdmi_codec_daifmt *fmt,
67 struct hdmi_codec_params *hparms);
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73 void (*audio_shutdown)(struct device *dev, void *data);
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79 int (*digital_mute)(struct device *dev, void *data, bool enable);
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85 int (*get_eld)(struct device *dev, void *data,
86 uint8_t *buf, size_t len);
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92 int (*get_dai_id)(struct snd_soc_component *comment,
93 struct device_node *endpoint);
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99 int (*hook_plugged_cb)(struct device *dev, void *data,
100 hdmi_codec_plugged_cb fn,
101 struct device *codec_dev);
102 };
103
104
105 struct hdmi_codec_pdata {
106 const struct hdmi_codec_ops *ops;
107 uint i2s:1;
108 uint spdif:1;
109 int max_i2s_channels;
110 void *data;
111 };
112
113 struct snd_soc_component;
114 struct snd_soc_jack;
115
116 int hdmi_codec_set_jack_detect(struct snd_soc_component *component,
117 struct snd_soc_jack *jack);
118
119 #define HDMI_CODEC_DRV_NAME "hdmi-audio-codec"
120
121 #endif