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/linux/sound/soc/fsl/
H A Dfsl-asoc-card.c1 // SPDX-License-Identifier: GPL-2.0
3 // Freescale Generic ASoC Sound Card driver with ASRC
23 #include "imx-audmux.h"
33 #define DRIVER_NAME "fsl-asoc-card"
44 * struct codec_priv - CODEC private data
62 * struct cpu_priv - CPU private data
82 * struct fsl_asoc_card_priv - Freescale Generic ASOC card private data
89 * @card: ASoC card structure
93 * @asrc_rate: ASRC sample rate used by Back-Ends
94 * @asrc_format: ASRC sample format used by Back-Ends
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H A Dimx-hdmi.c1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright 2017-2020 NXP
8 #include <sound/hdmi-codec.h>
12 * struct cpu_priv - CPU private data
25 struct snd_soc_card card; member
36 struct imx_hdmi_data *data = snd_soc_card_get_drvdata(rtd->card); in imx_hdmi_hw_params()
37 bool tx = substream->strea in imx_hdmi_hw_params()
39 struct snd_soc_card *card = rtd->card; imx_hdmi_hw_params() local
72 struct snd_soc_card *card = rtd->card; imx_hdmi_init() local
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H A Dimx-es8328.c1 // SPDX-License-Identifier: GPL-2.0+
14 #include "imx-audmux.h"
22 struct snd_soc_card card; member
30 .name = "headset-gpio",
51 struct imx_es8328_data *data = container_of(rtd->card, in imx_es8328_dai_init()
52 struct imx_es8328_data, card); in imx_es8328_dai_init()
55 if (data->jack_gpiod) { in imx_es8328_dai_init()
57 ret = snd_soc_card_jack_new_pins(rtd->card, "Headphone", in imx_es8328_dai_init()
65 headset_jack_gpios[0].desc = data->jack_gpiod; in imx_es8328_dai_init()
78 SND_SOC_DAPM_REGULATOR_SUPPLY("audio-amp", 1, 0),
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H A Dimx-sgtl5000.c1 // SPDX-License-Identifier: GPL-2.0+
14 #include "imx-audmux.h"
20 struct snd_soc_card card; member
29 struct imx_sgtl5000_data *data = snd_soc_card_get_drvdata(rtd->card); in imx_sgtl5000_dai_init()
30 struct device *dev = rtd->card->dev; in imx_sgtl5000_dai_init()
34 data->clk_frequency, SND_SOC_CLOCK_IN); in imx_sgtl5000_dai_init()
53 struct device_node *np = pdev->dev.of_node; in imx_sgtl5000_probe()
62 ret = of_property_read_u32(np, "mux-int-port", &int_port); in imx_sgtl5000_probe()
64 dev_err(&pdev->dev, "mux-int-port missing or invalid\n"); in imx_sgtl5000_probe()
67 ret = of_property_read_u32(np, "mux-ext-port", &ext_port); in imx_sgtl5000_probe()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
4 comment "Common SoC Audio options for Freescale CPUs:"
17 This option is only useful for out-of-tree drivers since
18 in-tree drivers select it automatically.
21 tristate "Synchronous Audio Interface (SAI) module support"
27 Say Y if you want to add Synchronous Audio Interface (SAI)
29 This option is only useful for out-of-tree drivers since
30 in-tree drivers select it automatically.
40 This option is only useful for out-of-tree drivers since
41 in-tree drivers select it automatically.
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H A Dimx-audio-rpmsg.c1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright 2017-2020 NXP
6 #include "imx-pcm-rpmsg.h"
21 struct imx_audio_rpmsg *rpmsg = dev_get_drvdata(&rpdev->dev); in imx_audio_rpmsg_cb()
27 if (!rpmsg->rpmsg_pdev) in imx_audio_rpmsg_cb()
30 info = platform_get_drvdata(rpmsg->rpmsg_pdev); in imx_audio_rpmsg_cb()
32 dev_dbg(&rpdev->dev, "get from%d: cmd:%d. %d\n", in imx_audio_rpmsg_cb()
33 src, r_msg->header.cmd, r_msg->param.resp); in imx_audio_rpmsg_cb()
35 switch (r_msg->header.type) { in imx_audio_rpmsg_cb()
38 switch (r_msg->header.cmd) { in imx_audio_rpmsg_cb()
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H A Dimx-card.c1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright 2017-2021 NXP
14 #include <sound/soc-dapm.h>
56 * struct imx_card_plat_data - specific info for codecs
90 * struct dai_link_data - specific info for dai link
105 * struct imx_card_data - platform device data
110 * @card: card instance
119 struct snd_soc_card card; member
144 * Table 13 - Audio Interface Format
155 * Table 7 - mapping multiplier and speed mode
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H A Dfsl_ssi.c1 // SPDX-License-Identifier: GPL-2.0
3 // Freescale SSI ALSA SoC Digital Audio Interface (DAI) driver
7 // Copyright 2007-2010 Freescale Semiconductor, Inc.
9 // Some notes why imx-pcm-fiq is used instead of DMA on some boards:
16 // we receive in our (PCM-) data stream. The only chance we have is to
43 #include <linux/dma/imx-dma.h>
53 #include "imx-pcm.h"
55 /* Define RX and TX to index ssi->regvals array; Can be 0 or 1 only */
60 * FSLSSI_I2S_FORMATS: audio formats supported by the SSI
66 * (bit-endianness must match byte-endianness). Processors typically write
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H A Dfsl_rpmsg.c1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright 2018-2021 NXP
5 #include <linux/clk-provider.h>
18 #include "imx-pcm.h"
46 struct clk *p = rpmsg->mclk, *pll = NULL, *npll = NULL; in fsl_rpmsg_hw_params()
51 while (p && rpmsg->pll8k && rpmsg->pll11k) { in fsl_rpmsg_hw_params()
54 if (clk_is_match(pp, rpmsg->pll8k) || in fsl_rpmsg_hw_params()
55 clk_is_match(pp, rpmsg->pll11k)) { in fsl_rpmsg_hw_params()
64 npll = (do_div(rate, 8000) ? rpmsg->pll11k : rpmsg->pll8k); in fsl_rpmsg_hw_params()
68 dev_warn(dai->dev, "failed to set parent %s: %d\n", in fsl_rpmsg_hw_params()
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H A Dfsl_spdif.c1 // SPDX-License-Identifier: GPL-2.0
3 // Freescale S/PDIF ALSA SoC Digital Audio Interface (DAI) driver
25 #include "imx-pcm.h"
50 * @imx: for imx platform
61 bool imx; member
97 * struct fsl_spdif_priv - Freescale SPDIF private data
101 * @snd_card: sound card pointer
152 .imx = false,
162 .imx = true,
172 .imx = true,
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/linux/Documentation/devicetree/bindings/sound/
H A Dimx-audio-hdmi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/imx-audio-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP i.MX audio complex with HDMI
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
15 - fsl,imx-audio-hdmi
16 - fsl,imx-audio-sii902x
20 description: User specified audio sound card name
22 audio-cpu:
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H A Dfsl,imx-audio-es8328.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/fsl,imx-audio-es8328.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale i.MX audio complex with ES8328 codec
10 - Shawn Guo <shawnguo@kernel.org>
11 - Sascha Hauer <s.hauer@pengutronix.de>
14 - $ref: sound-card-common.yaml#
18 const: fsl,imx-audio-es8328
22 description: The user-visible name of this sound complex
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/linux/arch/arm/boot/dts/nxp/imx/
H A Dimx6q-cm-fx6.dts6 * This file is dual-licensed: you can use it either under the terms
44 /dts-v1/;
45 #include <dt-bindings/gpio/gpio.h>
46 #include <dt-bindings/sound/fsl-imx-audmux.h>
50 model = "CompuLab CM-FX6";
51 compatible = "compulab,cm-fx6", "fsl,imx6q";
59 compatible = "gpio-leds";
61 heartbeat-led {
64 linux,default-trigger = "heartbeat";
69 pinctrl-names = "default";
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H A Dimx6q-prti6q.dts1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
6 /dts-v1/;
8 #include "imx6qdl-prti6q.dtsi"
9 #include <dt-bindings/leds/common.h>
10 #include <dt-bindings/sound/fsl-imx-audmux.h>
21 backlight_lcd: backlight-lcd {
22 compatible = "pwm-backlight";
23 pinctrl-names = "default";
24 pinctrl-0 = <&pinctrl_backlight>;
26 brightness-levels = <0 16 64 255>;
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H A Dimx6qdl-phytec-pbab01.dtsi1 // SPDX-License-Identifier: GPL-2.0-or-later
6 #include <dt-bindings/sound/fsl-imx-audmux.h>
10 stdout-path = &uart4;
13 sound_1v8: regulator-sound-1v8 {
14 compatible = "regulator-fixed";
15 regulator-name = "i2s-audio-1v8";
16 regulator-min-microvolt = <1800000>;
17 regulator-max-microvolt = <1800000>;
20 sound_3v3: regulator-sound-3v3 {
21 compatible = "regulator-fixed";
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H A Dimx6qdl-icore.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR X11
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/input/input.h>
9 #include <dt-bindings/sound/fsl-imx-audmux.h>
18 stdout-path = &uart4;
21 backlight_lvds: backlight-lvds {
22 compatible = "pwm-backlight";
24 brightness-levels = <0 4 8 16 32 64 128 255>;
25 default-brightness-level = <7>;
28 reg_1p8v: regulator-1p8v {
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H A Dimx6qdl-zii-rdu2.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
3 * Copyright (C) 2016-2017 Zodiac Inflight Innovations
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/sound/fsl-imx-audmux.h>
11 stdout-path = &uart1;
15 mdio-gpio0 = &mdio1;
20 compatible = "virtual,mdio-gpio";
21 #address-cells = <1>;
22 #size-cells = <0>;
23 pinctrl-names = "default";
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H A Dimx6qdl-icore-rqs.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR X11
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/clock/imx6qdl-clock.h>
9 #include <dt-bindings/sound/fsl-imx-audmux.h>
17 reg_1p8v: regulator-1p8v {
18 compatible = "regulator-fixed";
19 regulator-name = "1P8V";
20 regulator-min-microvolt = <1800000>;
21 regulator-max-microvolt = <1800000>;
22 regulator-boot-on;
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H A Dimx6qdl-var-som.dtsi1 // SPDX-License-Identifier: GPL-2.0+
3 * Support for Variscite VAR-SOM-MX6 Module
7 * Copyright (C) 2014-2016 Variscite, Ltd.
12 /dts-v1/;
15 #include <dt-bindings/clock/imx6qdl-clock.h>
16 #include <dt-bindings/gpio/gpio.h>
17 #include <dt-bindings/sound/fsl-imx-audmux.h>
20 model = "Variscite VAR-SOM-MX6 module";
21 compatible = "variscite,var-som-imx6q", "fsl,imx6q";
24 stdout-path = &uart1;
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H A Dimx6qdl-mba6.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright 2013-2021 TQ-Systems GmbH
6 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
9 #include <dt-bindings/clock/imx6qdl-clock.h>
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/fsl-imx-audmux.h>
18 /delete-property/ mmc2;
19 /delete-property/ mmc3;
24 stdout-path = &uart2;
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H A Dimx6q-pistachio.dts6 * This file is dual-licensed: you can use it either under the terms
45 /dts-v1/;
47 #include <dt-bindings/gpio/gpio.h>
48 #include <dt-bindings/input/input.h>
53 compatible = "nutsboard,imx6q-pistachio", "fsl,imx6q";
56 stdout-path = &uart4;
64 reg_3p3v: regulator-3p3v {
65 compatible = "regulator-fixed";
66 regulator-name = "3P3V";
67 regulator-min-microvolt = <3300000>;
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/linux/arch/arm64/boot/dts/freescale/
H A Dimx943-evk.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * Copyright 2024-2025 NXP
6 /dts-v1/;
11 compatible = "fsl,imx943-evk", "fsl,imx94";
23 bt_sco_codec: bt-sco-codec {
24 compatible = "linux,bt-sco";
25 #sound-dai-cells = <1>;
29 stdout-path = &lpuart1;
33 compatible = "dmic-codec";
34 #sound-dai-cells = <0>;
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H A Dimx95-19x19-evk.dts1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
6 /dts-v1/;
8 #include <dt-bindings/pwm/pwm.h>
9 #include <dt-bindings/usb/pd.h>
15 #define BRD_SM_CTRL_SD3_WAKE 0x8000 /* PCAL6408A-0 */
16 #define BRD_SM_CTRL_PCIE1_WAKE 0x8001 /* PCAL6408A-4 */
17 #define BRD_SM_CTRL_BT_WAKE 0x8002 /* PCAL6408A-5 */
18 #define BRD_SM_CTRL_PCIE2_WAKE 0x8003 /* PCAL6408A-6 */
19 #define BRD_SM_CTRL_BUTTON 0x8004 /* PCAL6408A-7 */
23 compatible = "fsl,imx95-19x19-evk", "fsl,imx95";
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/linux/Documentation/sound/soc/
H A Doverview.rst6 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:-
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
22 recording) audio. This is fine for a PC, but tends to waste a lot of
31 features :-
36 * Easy I2S/PCM audio interface setup between codec and SoC. Each SoC
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/linux/sound/soc/sof/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 generic open source audio DSP firmware for multiple devices.
21 For backwards-compatibility with previous configurations the selection will
22 be used as default for platform-specific drivers.
32 For backwards-compatibility with previous configurations the selection will
33 be used as default for platform-specific drivers.
61 gather data directly from specific points of the audio pipeline.
62 This option is not user-selectable but automagically handled by
69 This option is not user-selectable but automagically handled by
104 enabled for developers or devices where the sound card is
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