| /openbmc/linux/sound/pci/hda/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
2 menu "HD-Audio"
15 tristate "HD Audio PCI"
21 Audio" (Azalia) and its compatible devices.
23 This option enables the HD-audio controlle
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| /openbmc/u-boot/drivers/sound/ |
| H A D | Kconfig | 6 Support making sounds through an audio codec. This is normally a
12 audio codecs are called from the sound-i2s code. This could be
19 I2S is a serial bus often used to transmit audio data from the
20 SoC to the audio codec. This option enables sound support using
28 Rockchip SoCs support an I2S interface for sending audio data to an
29 audio codec. This option enables support for this, using one of the
30 available audio codec drivers. This driver does not make use of
37 Samsung Exynos SoCs support an I2S interface for sending audio
38 data to an audio codec. This option enables support for this,
39 using one of the available audio codec drivers. Enabling this
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| /openbmc/linux/sound/soc/codecs/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # modular, meaning we can't build the codec driver in with I2C support.
5 # setting - SPI can't be modular so that case doesn't need to be covered.
12 menu "CODEC drivers"
15 tristate "Build all ASoC CODEC drivers"
339 Normally ASoC codec drivers are only built if a machine driver which
401 tristate "Build generic ASoC AC97 CODEC driver"
438 tristate "Analog Devices ADAU1372 CODEC (I2C)"
444 tristate "Analog Devices ADAU1372 CODEC (SPI)"
455 tristate "Analog Devices ADAU1701 CODEC"
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| /openbmc/linux/Documentation/sound/soc/ |
| H A D | overview.rst | 6 provide better ALSA support for embedded system-on-chip processors (e.g.
7 pxa2xx, au1x00, iMX, etc) and portable audio codecs. Prior to the ASoC
8 subsystem there was some support in the kernel for SoC audio, however it
9 had some limitations:-
11 * Codec drivers were often tightly coupled to the underlying SoC
12 CPU. This is not ideal and leads to code duplication - for example,
15 * There was no standard method to signal user initiated audio events (e.g.
18 machine specific code to re-route audio, enable amps, etc., after such an
21 * Drivers tended to power up the entire codec when playing (or
22 recording) audio. This is fine for a PC, but tends to waste a lot of
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| H A D | dapm.rst | 2 Dynamic Audio Power Management for Portable Devices
8 Dynamic Audio Power Management (DAPM) is designed to allow portable
9 Linux devices to use the minimum amount of power within the audio
11 such, can easily co-exist with the other PM systems.
16 switching decisions based upon any audio stream (capture/playback)
17 activity and audio mixer settings within the device.
20 audio subsystem, this includes internal codec power blocks and machine
25 Codec bias domain
26 VREF, VMID (core codec and audio power)
28 Usually controlled at codec probe/remove and suspend/resume, although
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| H A D | machine.rst | 7 relationships between each component which include audio paths, GPIOs,
10 The machine driver can contain codec and platform specific code. It registers
11 the audio subsystem with the kernel as a platform device and is represented by
12 the following struct:-
25 * after the codec and DAIs do any PM work. */
33 /* CPU <--> Codec DAI links */
41 ----------------
46 ------------------
48 of any machine audio tasks that have to be done before or after the codec, DAIs
53 -------------------------
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| H A D | codec.rst | 2 ASoC Codec Class Driver
5 The codec class driver is generic and hardware independent code that configures
6 the codec, FM, MODEM, BT or external DSP to provide audio capture and playback.
11 Each codec class driver *must* provide the following features:-
13 1. Codec DAI and PCM configuration
14 2. Codec control IO - using RegMap API
15 3. Mixers and audio controls
16 4. Codec audio operations
20 Optionally, codec drivers can also provide:-
24 Its probably best to use this guide in conjunction with the existing codec
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| H A D | dpcm.rst | 8 Dynamic PCM allows an ALSA PCM device to digitally route its PCM audio to
10 digital audio to I2S DAI0, I2S DAI1 or PDM DAI2. This is useful for on SoC DSP
14 way as the analog signal is routed in an ASoC codec driver. DPCM uses a DAPM
15 graph representing the DSP internal audio paths and uses the mixer settings to
18 DPCM re-uses all the existing component codec, platform and DAI drivers without
22 Phone Audio System with SoC based DSP
23 -------------------------------------
25 Consider the following phone audio subsystem. This will be used in this
26 document for all examples :-
29 | Front End PCMs | SoC DSP | Back End DAIs | Audio devices |
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| /openbmc/linux/sound/soc/intel/boards/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
7 has an audio controller with a DSP and I2S or DMIC port, then
44 tristate "Haswell with RT5640 I2S codec"
50 This adds support for the Lynxpoint Audio DSP on Intel(R) Haswell
60 tristate "Broadwell with RT5650 codec"
67 the RT5650 codec.
72 tristate "Broadwell with RT5677 codec"
83 the RT5677 audio codec. This is a recommended option.
88 tristate "Broadwell with RT286 I2S codec"
94 This adds support for the Wilcatpoint Audio DSP on Intel(R) Broadwell
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| /openbmc/linux/Documentation/devicetree/bindings/sound/ |
| H A D | rockchip-max98090.txt | 1 ROCKCHIP with MAX98090 CODEC
4 - compatible: "rockchip,rockchip-audio-max98090"
5 - rockchip,model: The user-visible name of this sound complex
6 - rockchip,i2s-controller: The phandle of the Rockchip I2S controller that's
7 connected to the CODEC
10 - rockchip,audio-codec: The phandle of the MAX98090 audio codec.
11 - rockchip,headset-codec: The phandle of Ext chip for jack detection. This is
12 required if there is rockchip,audio-codec.
13 - rockchip,hdmi-codec: The phandle of HDMI device for HDMI codec.
17 /* For max98090-only board. */
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| H A D | simple-card.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/simple-card.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Simple Audio Card Driver
10 - Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
14 frame-master:
15 description: Indicates dai-link frame master.
18 bitclock-master:
19 description: Indicates dai-link bit clock master
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| H A D | ti,j721e-cpb-ivi-audio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
5 ---
6 $id: http://devicetree.org/schemas/sound/ti,j721e-cpb-ivi-audio.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 title: Texas Instruments J721e Common Processor Board Audio Support
12 - Peter Ujfalusi <peter.ujfalusi@gmail.com>
16 extension board is extending the CPB audio support, described in:
17 sound/ti,j721e-cpb-audio.txt
19 The audio support on the Infotainment Expansion Board consists of McASP0
28 Note: the same PLL4 and PLL15 is used by the audio support on the CPB!
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| H A D | allwinner,sun4i-a10-codec.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/sound/allwinner,sun4i-a10-codec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A10 Codec
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#sound-dai-cells":
19 - allwinner,sun4i-a10-codec
20 - allwinner,sun6i-a31-codec
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| H A D | davinci-evm-audio.txt | 1 * Texas Instruments SoC audio setups with TLV320AIC3X Codec
4 - compatible : "ti,da830-evm-audio" : forDM365/DA8xx/OMAPL1x/AM33xx
5 - ti,model : The user-visible name of this sound complex.
6 - ti,audio-codec : The phandle of the TLV320AIC3x audio codec
7 - ti,mcasp-controller : The phandle of the McASP controller
8 - ti,audio-routing : A list of the connections between audio components.
11 sinks are the codec's pins, and the jacks on the board:
14 - ti,codec-clock-rate : The Codec Clock rate (in Hz) applied to the Codec.
15 - clocks : Reference to the master clock
16 - clock-names : The clock should be named "mclk"
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| H A D | ti,j721e-cpb-audio.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
5 ---
6 $id: http://devicetree.org/schemas/sound/ti,j721e-cpb-audio.yaml#
7 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 title: Texas Instruments J721e Common Processor Board Audio Support
12 - Peter Ujfalusi <peter.ujfalusi@gmail.com>
15 The audio support on the board is using pcm3168a codec connected to McASP10
25 PLL4 ---> PLL4_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
26 |-> PLL4_HSDIV2 ---> AUDIO_REFCLK2 ---> pcm3168a.SCKI
29 PLL15 ---> PLL15_HSDIV0 ---> MCASP10_AUXCLK ---> McASP10.auxclk
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| H A D | qcom,apq8096.txt | 3 This binding describes the APQ8096 sound card, which uses qdsp for audio.
5 - compatible:
8 Definition: must be "qcom,apq8096-sndcard"
10 - audio-routing:
13 Definition: A list of the connections between audio components.
17 of codec and the jacks on the board:
37 Audio pins and MicBias on WCD9335 Codec:
53 - model:
56 Definition: The user-visible name of this sound card.
58 - aux-devs
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| H A D | imx-audio-es8328.txt | 1 Freescale i.MX audio complex with ES8328 codec
4 - compatible : "fsl,imx-audio-es8328"
5 - model : The user-visible name of this sound complex
6 - ssi-controller : The phandle of the i.MX SSI controller
7 - jack-gpio : Optional GPIO for headphone jack
8 - audio-amp-supply : Power regulator for speaker amps
9 - audio-codec : The phandle of the ES8328 audio codec
10 - audio-routing : A list of the connections between audio components.
17 * audio-amp
34 - mux-int-port : The internal port of the i.MX audio muxer (AUDMUX)
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| H A D | sirf-audio.txt | 1 * SiRF atlas6 and prima2 internal audio codec and port based audio setups
4 - compatible: "sirf,sirf-audio-card"
5 - sirf,audio-platform: phandle for the platform node
6 - sirf,audio-codec: phandle for the SiRF internal codec node
9 - hp-pa-gpios: Need to be present if the board need control external
11 - spk-pa-gpios: Need to be present if the board need control external
13 - hp-switch-gpios: Need to be present if the board capable to detect jack
16 Available audio endpoints for the audio-routing table:
24 SiRF internal audio codec pins:
34 compatible = "sirf,sirf-audio-card";
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| H A D | samsung,snow.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Google Snow audio complex with MAX9809x codec
10 - Krzysztof Kozlowski <krzk@kernel.org>
11 - Sylwester Nawrocki <s.nawrocki@samsung.com>
16 - google,snow-audio-max98090
17 - google,snow-audio-max98091
18 - google,snow-audio-max98095
20 codec:
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| H A D | mt2701-cs42448.txt | 1 MT2701 with CS42448 CODEC
4 - compatible: "mediatek,mt2701-cs42448-machine"
5 - mediatek,platform: the phandle of MT2701 ASoC platform
6 - audio-routing: a list of the connections between audio
7 - mediatek,audio-codec: the phandles of cs42448 codec
8 - mediatek,audio-codec-bt-mrg the phandles of bt-sco dummy codec
9 - pinctrl-names: Should contain only one value - "default"
10 - pinctrl-0: Should specify pin control groups used for this controller.
11 - i2s1-in-sel-gpio1, i2s1-in-sel-gpio2: Should specify two gpio pins to
12 control I2S1-in mux.
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| /openbmc/linux/sound/soc/tegra/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "SoC Audio for the Tegra System-on-Chip"
10 Say Y or M here if you want support for SoC audio on Tegra.
63 Config to enable Audio Hub (AHUB) module, which comprises of a
64 switch called Audio Crossbar (AXBAR) used to configure or modify
65 the audio routing path between various HW accelerators present in
82 Config to enable the Inter-IC Sound (I2S) Controller which
83 implements full-duplex and bidirectional and single direction
84 point-to-point serial interfaces. It can interface with I2S
113 converts the multi-bit Pulse Code Modulation (PCM) audio input to
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| /openbmc/linux/sound/soc/mediatek/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
17 tristate "ASoc Audio driver for MT2701 with CS42448 codec"
28 tristate "ASoc Audio driver for MT2701 with WM8960 codec"
48 tristate "ASoc Audio driver for MT6797 with MT6351 codec"
68 tristate "ASoc Audio driver for MT7986 with WM8960 codec"
88 tristate "ASoC Audio driver for MT8173 with MAX98090 codec"
93 with the MAX98090 audio codec.
98 tristate "ASoC Audio driver for MT8173 with RT5650 codec"
104 with the RT5650 audio codec.
109 tristate "ASoC Audio driver for MT8173 with RT5650 RT5514 codecs"
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| /openbmc/linux/Documentation/sound/hd-audio/ |
| H A D | notes.rst | 2 More Notes on HD-Audio Driver
11 HD-audio is the new standard on-board audio component on modern PCs
12 after AC97. Although Linux has been supporting HD-audio since long
15 This document explains the brief trouble-shooting and debugging
16 methods for the HD-audio hardware.
18 The HD-audio component consists of two parts: the controller chip and
19 the codec chips on the HD-audio bus. Linux provides a single driver
20 for all controllers, snd-hda-intel. Although the driver name contains
21 a word of a well-known hardware vendor, it's not specific to it but for
22 all controller chips by other companies. Since the HD-audio
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| /openbmc/linux/sound/soc/sunxi/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
2 menu "Allwinner SoC Audio support"
6 tristate "Allwinner A10 Codec Support"
10 Select Y or M to add support for the Codec embedded in the Allwinner
14 tristate "Allwinner SUN8I audio codec"
20 This option enables the digital part of the internal audio codec for
23 Say Y or M if you want to add sun8i digital audio codec support.
26 tristate "Allwinner sun8i Codec Analog Controls Support"
31 the codec embedded in newer Allwinner SoCs.
34 tristate "Allwinner sun50i Codec Analog Controls Support"
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| /openbmc/linux/sound/soc/intel/avs/boards/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
13 This adds support for AVS with DA7219 I2S codec configuration.
31 This adds support for AVS with ES8336 I2S codec configuration.
36 tristate "HD-Audio generic board"
39 This adds support for AVS with HDAudio codec configuration.
46 This adds support for I2S test-board which can be used to verify
55 This adds support for AVS with MAX98927 I2S codec configuration.
65 This adds support for AVS with MAX98357A I2S codec configuration.
75 This adds support for AVS with MAX98373 I2S codec configuration.
85 This adds support for ASoC machine driver with NAU8825 I2S audio codec.
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