| /linux/drivers/gpu/drm/msm/dp/ |
| H A D | dp_audio.c | 31 static inline u32 msm_dp_read_link(struct msm_dp_audio_private *audio, u32 offset) in msm_dp_read_link() argument
33 return readl_relaxed(audio->link_base + offset); in msm_dp_read_link()
36 static inline void msm_dp_write_link(struct msm_dp_audio_private *audio, in msm_dp_write_link() argument
43 writel(data, audio->link_base + offset); in msm_dp_write_link()
46 static void msm_dp_audio_stream_sdp(struct msm_dp_audio_private *audio) in msm_dp_audio_stream_sdp() argument
52 .HB3 = audio->channels - 1, in msm_dp_audio_stream_sdp()
58 msm_dp_write_link(audio, MMSS_DP_AUDIO_STREAM_0, header[0]); in msm_dp_audio_stream_sdp()
59 msm_dp_write_link(audio, MMSS_DP_AUDIO_STREAM_1, header[1]); in msm_dp_audio_stream_sdp()
62 static void msm_dp_audio_timestamp_sdp(struct msm_dp_audio_private *audio) in msm_dp_audio_timestamp_sdp() argument
74 msm_dp_write_link(audio, MMSS_DP_AUDIO_TIMESTAMP_0, header[0]); in msm_dp_audio_timestamp_sdp()
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| /linux/Documentation/userspace-api/media/v4l/ |
| H A D | audio.rst | 6 Audio Inputs and Outputs
9 Audio inputs and outputs are physical connectors of a device. Video
11 each. Radio devices have no audio inputs or outputs. They have exactly
12 one tuner which in fact *is* an audio source, but this API associates
14 these. [#f1]_ A connector on a TV card to loop back the received audio
15 signal to a sound card is not considered an audio output.
17 Audio and video inputs and outputs are associated. Selecting a video
18 source also selects an audio source. This is most evident when the video
19 and audio source is a tuner. Further audio connectors can combine with
21 and two audio inputs exist, there may be up to four valid combinations.
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| H A D | vidioc-g-tuner.rst | 46 Tuners have two writable properties, the audio mode and the radio
47 frequency. To change the audio mode, applications initialize the
51 different audio mode if the requested mode is invalid or unsupported.
53 selected audio mode.
89 Tuner capability flags, see :ref:`tuner-capability`. Audio flags
90 indicate the ability to decode audio subprograms. They will *not*
120 Some tuners or audio decoders can determine the received audio
121 subprograms by analyzing audio carriers, pilot tones or other
127 - receiving mono audio
131 - receiving stereo audio and a secondary audio program
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| /linux/Documentation/devicetree/bindings/sound/ |
| H A D | fsl-asoc-card.yaml | 24 AC'97/I2S/PCM type sound cards, such as S/PDIF audio and HDMI audio, as
59 - karo,tx53-audio-sgtl5000
62 - fsl,imx-audio-ac97
63 - fsl,imx-audio-cs42888
64 - fsl,imx-audio-mqs
65 - fsl,imx-audio-sgtl5000
66 - fsl,imx-audio-wm8960
67 - fsl,imx-audio-wm8962
72 - const: fsl,imx-audio-spdif
75 - fsl,imx-audio-ac97
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| H A D | mediatek,mt7986-afe.yaml | 31 - description: audio bus clock
32 - description: audio 26M clock
33 - description: audio intbus clock
34 - description: audio hopping clock
35 - description: audio pll clock
37 - description: audio i2s/pcm mck
67 - description: audio bus clock
68 - description: audio 26M clock
69 - description: audio intbus clock
70 - description: audio hopping clock
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| H A D | fsl,imx-audio-es8328.yaml | 4 $id: http://devicetree.org/schemas/sound/fsl,imx-audio-es8328.yaml#
7 title: Freescale i.MX audio complex with ES8328 codec
18 const: fsl,imx-audio-es8328
32 audio-amp-supply:
35 audio-codec:
37 description: The phandle to the ES8328 audio codec
39 audio-routing:
42 A list of the connections between audio components. Each entry
48 * audio-amp
68 description: The internal port of the i.MX audio muxer (AUDMUX)
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| H A D | fsl,rpmsg.yaml | 7 title: NXP Audio RPMSG CPU DAI Controller
13 fsl_rpmsg is a virtual audio device. Mapping to real hardware devices
15 Linux side is a device which provides audio service by rpmsg channel.
26 - fsl,imx7ulp-rpmsg-audio
27 - fsl,imx8mn-rpmsg-audio
28 - fsl,imx8mm-rpmsg-audio
29 - fsl,imx8mp-rpmsg-audio
30 - fsl,imx8ulp-rpmsg-audio
31 - fsl,imx93-rpmsg-audio
32 - fsl,imx95-rpmsg-audio
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| /linux/drivers/gpu/drm/radeon/ |
| H A D | radeon_audio.c | 212 if (rdev->audio.funcs->enable) in radeon_audio_enable()
213 rdev->audio.funcs->enable(rdev, pin, enable_mask); in radeon_audio_enable()
221 rdev->audio.funcs = &dce6_funcs; in radeon_audio_interface_init()
222 rdev->audio.hdmi_funcs = &dce6_hdmi_funcs; in radeon_audio_interface_init()
223 rdev->audio.dp_funcs = &dce6_dp_funcs; in radeon_audio_interface_init()
225 rdev->audio.funcs = &dce4_funcs; in radeon_audio_interface_init()
226 rdev->audio.hdmi_funcs = &dce4_hdmi_funcs; in radeon_audio_interface_init()
227 rdev->audio.dp_funcs = &dce4_dp_funcs; in radeon_audio_interface_init()
229 rdev->audio.funcs = &dce32_funcs; in radeon_audio_interface_init()
230 rdev->audio.hdmi_funcs = &dce32_hdmi_funcs; in radeon_audio_interface_init()
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| /linux/drivers/mfd/ |
| H A D | twl4030-audio.c | 3 * MFD driver for twl4030 audio submodule, which contains an audio codec, and
21 #include <linux/mfd/twl4030-audio.h>
46 struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev); in twl4030_audio_set_resource() local
50 audio->resource[id].reg); in twl4030_audio_set_resource()
53 val |= audio->resource[id].mask; in twl4030_audio_set_resource()
55 val &= ~audio->resource[id].mask; in twl4030_audio_set_resource()
58 val, audio->resource[id].reg); in twl4030_audio_set_resource()
65 struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev); in twl4030_audio_get_resource() local
69 audio->resource[id].reg); in twl4030_audio_get_resource()
80 struct twl4030_audio *audio = platform_get_drvdata(twl4030_audio_dev); in twl4030_audio_enable_resource() local
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| /linux/sound/soc/qcom/qdsp6/ |
| H A D | q6routing.c | 745 SND_SOC_DAPM_MIXER("DISPLAY_PORT_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
749 SND_SOC_DAPM_MIXER("SLIMBUS_0_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
752 SND_SOC_DAPM_MIXER("SLIMBUS_1_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
755 SND_SOC_DAPM_MIXER("SLIMBUS_2_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
758 SND_SOC_DAPM_MIXER("SLIMBUS_3_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
761 SND_SOC_DAPM_MIXER("SLIMBUS_4_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
764 SND_SOC_DAPM_MIXER("SLIMBUS_5_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
767 SND_SOC_DAPM_MIXER("SLIMBUS_6_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
770 SND_SOC_DAPM_MIXER("PRI_MI2S_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
773 SND_SOC_DAPM_MIXER("SEC_MI2S_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
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| /linux/sound/soc/fsl/ |
| H A D | Kconfig | 4 comment "Common SoC Audio options for Freescale CPUs:"
21 tristate "Synchronous Audio Interface (SAI) module support"
27 Say Y if you want to add Synchronous Audio Interface (SAI)
44 tristate "Audio Mixer (AUDMIX) module support"
47 Say Y if you want to add Audio Mixer (AUDMIX)
75 tristate "Enhanced Serial Audio Interface (ESAI) module support"
79 Say Y if you want to add Enhanced Synchronous Audio Interface
101 a digital module that converts audio from a source sample rate to a
106 tristate "NXP Audio Transceiver (XCVR) module support"
112 Say Y if you want to add Audio Transceiver (XCVR) support for NXP
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| /linux/sound/hda/codecs/realtek/ |
| H A D | Kconfig | 4 tristate "Realtek HD-audio codec support"
6 Say Y or M here to include Realtek HD-audio codec support.
8 This will enable all Realtek HD-audio codec drivers as default,
21 tristate "Build Realtek ALC260 HD-audio codec support" if EXPERT
26 Say Y or M here to include Realtek ALC260 HD-audio codec support
29 tristate "Build Realtek ALC262 HD-audio codec support" if EXPERT
34 Say Y or M here to include Realtek ALC262 HD-audio codec support
37 tristate "Build Realtek ALC268 HD-audio codec support" if EXPERT
42 Say Y or M here to include Realtek ALC268 and compatible HD-audio
46 tristate "Build Realtek ALC269 HD-audio codecs support" if EXPERT
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| /linux/sound/soc/samsung/ |
| H A D | Kconfig | 9 the Samsung SoCs' Audio interfaces. You will also need to
10 select the audio interfaces to support below.
25 tristate "SoC I2S Audio support for WM8994 on SMDK"
31 Say Y if you want to add support for SoC audio on the SMDKs.
34 tristate "SoC S/PDIF Audio support for SMDK"
37 Say Y if you want to add support for SoC S/PDIF audio on the SMDK.
40 tristate "SoC PCM Audio support for WM8994 on SMDK"
46 Say Y if you want to add support for SoC audio on the SMDK
49 tristate "Audio support for Wolfson Speyside"
59 tristate "Audio support for Wolfson Tobermory"
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| /linux/Documentation/sound/designs/ |
| H A D | timestamping.rst | 42 of time as measured by different components of audio hardware. In
74 audio time it wants reported by selecting the relevant settings in
83 In case the application requests an audio tstamp that is not supported
92 The audio timestamp accuracy can be returned to user-space, so that
100 - the link time can be used to track long-term drifts between audio
110 - including the delay in the audio timestamp may
117 audio applications...
127 The ALSA API only allows for a single audio timestamp to be reported
128 at a time. This is a conscious design decision, reading the audio
131 are. To avoid any interpretation issues, a single (system, audio)
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| /linux/drivers/usb/gadget/function/ |
| H A D | f_uac1_legacy.c | 3 * f_audio.c -- USB Audio class function driver
44 * in the Audio Interface Collection
240 * This function is an ALSA sound card following USB Audio Class Spec 1.0.
303 struct f_audio *audio = container_of(data, struct f_audio, in f_audio_playback_work() local
307 spin_lock_irq(&audio->lock); in f_audio_playback_work()
308 if (list_empty(&audio->play_queue)) { in f_audio_playback_work()
309 spin_unlock_irq(&audio->lock); in f_audio_playback_work()
312 play_buf = list_first_entry(&audio->play_queue, in f_audio_playback_work()
315 spin_unlock_irq(&audio->lock); in f_audio_playback_work()
317 u_audio_playback(&audio->card, play_buf->buf, play_buf->actual); in f_audio_playback_work()
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| /linux/sound/soc/tegra/ |
| H A D | Kconfig | 5 tristate "SoC Audio for the Tegra System-on-Chip"
12 Say Y or M here if you want support for SoC audio on Tegra.
65 Config to enable Audio Hub (AHUB) module, which comprises of a
66 switch called Audio Crossbar (AXBAR) used to configure or modify
67 the audio routing path between various HW accelerators present in
116 converts the multi-bit Pulse Code Modulation (PCM) audio input to
128 Audio Hub (AHUB). Each ADMA channel that sends/receives data to/
156 Config to enable the Audio Multiplexer (AMX) which can multiplex
165 Config to enable the Audio Demultiplexer (ADX) which takes an
177 audio streams. It supports mixing of up to 10 input streams,
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| /linux/drivers/gpu/drm/msm/hdmi/ |
| H A D | hdmi_audio.c | 18 struct hdmi_audio *audio = &hdmi->audio; in msm_hdmi_audio_update() local
19 bool enabled = audio->enabled; in msm_hdmi_audio_update()
26 DBG("audio: enabled=%d, channels=%d, rate=%d", in msm_hdmi_audio_update()
27 audio->enabled, audio->channels, audio->rate); in msm_hdmi_audio_update()
32 DBG("disabling audio: no video"); in msm_hdmi_audio_update()
49 drm_hdmi_acr_get_n_cts(hdmi->pixclock, audio->rate, &n, &cts); in msm_hdmi_audio_update()
51 if (audio->rate == 192000 || audio->rate == 176400) { in msm_hdmi_audio_update()
54 } else if (audio->rate == 96000 || audio->rate == 88200) { in msm_hdmi_audio_update()
67 if (audio->rate == 48000 || audio->rate == 96000 || in msm_hdmi_audio_update()
68 audio->rate == 192000) in msm_hdmi_audio_update()
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| /linux/sound/soc/ti/ |
| H A D | Kconfig | 19 tristate "daVinci Audio Serial Port (ASP) or McBSP support"
23 Say Y or M here if you want audio support via daVinci ASP or McBSP.
28 tristate "Multichannel Audio Serial Port (McASP) support"
67 comment "Audio support for boards with Texas Instruments SoCs"
69 tristate "SoC Audio support for Nokia N810"
74 Say Y or M if you want to add support for SoC audio on Nokia N810.
77 tristate "SoC Audio support for Nokia RX-51"
83 Say Y or M if you want to add support for SoC audio on Nokia RX-51
87 tristate "SoC Audio support for OMAP3 Pandora"
93 Say Y or M if you want to add support for SoC audio on the OMAP3 Pandora.
[all …]
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| /linux/sound/soc/qcom/ |
| H A D | Kconfig | 6 Say Y or M if you want to add support to use audio devices
56 Say Y or M if you want add support for SoC audio on the
60 tristate "SoC Audio support for APQ8016 SBC platforms"
64 Support for Qualcomm Technologies LPASS audio block in
66 Say Y if you want to use audio devices on MI2S.
138 tristate "SoC ALSA audio driver for QDSP6"
154 To add support for MSM QDSP6 Soc Audio.
156 audio drivers. This includes q6asm, q6adm,
166 Support for Qualcomm Technologies LPASS audio block in
168 Say Y if you want to use audio device on this SoCs
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| /linux/drivers/gpu/drm/amd/display/dc/inc/hw/ |
| H A D | audio.h | 31 struct audio;
35 bool (*endpoint_valid)(struct audio *audio);
37 void (*hw_init)(struct audio *audio);
39 void (*az_enable)(struct audio *audio);
41 void (*az_disable)(struct audio *audio);
43 void (*az_configure)(struct audio *audio,
49 void (*az_disable_hbr_audio)(struct audio *audio);
51 void (*wall_dto_setup)(struct audio *audio,
56 void (*destroy)(struct audio **audio);
59 struct audio { struct
|
| /linux/drivers/gpu/drm/bridge/synopsys/ |
| H A D | dw-hdmi-i2s-audio.c | 3 * dw-hdmi-i2s-audio.c
18 #include "dw-hdmi-audio.h"
20 #define DRIVER_NAME "dw-hdmi-i2s-audio"
22 static inline void hdmi_write(struct dw_hdmi_i2s_audio_data *audio, in hdmi_write() argument
25 struct dw_hdmi *hdmi = audio->hdmi; in hdmi_write()
27 audio->write(hdmi, val, offset); in hdmi_write()
30 static inline u8 hdmi_read(struct dw_hdmi_i2s_audio_data *audio, int offset) in hdmi_read() argument
32 struct dw_hdmi *hdmi = audio->hdmi; in hdmi_read()
34 return audio->read(hdmi, offset); in hdmi_read()
41 struct dw_hdmi_i2s_audio_data *audio = data; in dw_hdmi_i2s_hw_params() local
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| /linux/drivers/gpu/drm/amd/display/dc/dce/ |
| H A D | dce_audio.c | 31 #define DCE_AUD(audio)\ argument
32 container_of(audio, struct dce_audio, base)
50 read_indirect_azalia_reg(audio, IX_REG(reg_name))
53 write_indirect_azalia_reg(audio, IX_REG(reg_name), value)
55 static void write_indirect_azalia_reg(struct audio *audio, in write_indirect_azalia_reg() argument
59 struct dce_audio *aud = DCE_AUD(audio); in write_indirect_azalia_reg()
70 static uint32_t read_indirect_azalia_reg(struct audio *audio, uint32_t reg_index) in read_indirect_azalia_reg() argument
72 struct dce_audio *aud = DCE_AUD(audio); in read_indirect_azalia_reg()
162 /* Also do some calculation for the available Audio Bandwidth for the in check_audio_bandwidth_hdmi()
176 /* Number of Audio Packets (multiplied by 10) per Line (for 8 ch number in check_audio_bandwidth_hdmi()
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| /linux/sound/hda/codecs/hdmi/ |
| H A D | Kconfig | 4 tristate "HD-audio HDMI codec support"
6 Say Y or M here to include HD-audio HDMI/DislayPort codec support.
15 tristate "Generic HDMI/DisplayPort HD-audio codec support" if EXPERT
20 Say Y or M here to include Generic HDMI and DisplayPort HD-audio
27 tristate "Simple HDMI/DisplayPort HD-audio codec support" if EXPERT
30 Say Y or M here to include Simple HDMI and DisplayPort HD-audio
34 tristate "Intel HDMI/DisplayPort HD-audio codec support" if EXPERT
39 HD-audio codec support.
45 Say Y to enable HD-Audio Keep Alive (KAE) aka Silent Stream
52 to start playing audio after the clock has been stopped.
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| /linux/sound/usb/ |
| H A D | Kconfig | 14 tristate "USB Audio/MIDI driver"
22 Say Y here to include support for USB audio and USB MIDI
26 will be called snd-usb-audio.
29 bool "MIDI 2.0 support by USB Audio driver"
32 Say Y here to include the support for MIDI 2.0 by USB Audio driver.
47 audio/MIDI interfaces.
59 Say Y here to include support for Tascam USB Audio/MIDI
66 tristate "Native Instruments USB audio devices"
71 Say Y here to include support for caiaq USB audio interfaces,
78 * Native Instruments Audio Kontrol 1
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| /linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_audio.c | 43 * DOC: High Definition Audio over HDMI and Display Port
45 * The graphics and audio drivers together support High Definition Audio over
46 * HDMI and Display Port. The audio programming sequences are divided into audio
48 * handles the audio codec sequences, while the audio driver handles the audio
53 * transcoder and port, and after completed link training. Therefore the audio
57 * but generally the ELDV/PD change in the codec sequence indicates to the audio
59 * co-operation between the graphics and audio drivers is handled via audio
64 * and audio drivers. The struct &i915_audio_component_ops @ops in it is
65 * defined in graphics driver and called in audio driver. The
188 * WA_14020863754: Implement Audio Workaround
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