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ASoC: codecs: adau1373: drop platform data
Merge series from Nuno Sa <nuno.sa@analog.com>: Support the powerdown GPIO on ADAU1373.
This commit is contained in:
Mark Brown
commit
3f58985e43
111
Documentation/devicetree/bindings/sound/adi,adau1373.yaml
Normal file
111
Documentation/devicetree/bindings/sound/adi,adau1373.yaml
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@ -0,0 +1,111 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/adi,adau1373.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Analog Devices ADAU1373 CODEC
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maintainers:
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- Nuno Sá <nuno.sa@analog.com>
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description: |
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Analog Devices ADAU1373 Low power codec with speaker and headphone amplifiers.
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https://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1373.pdf
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allOf:
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- $ref: dai-common.yaml#
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properties:
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compatible:
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enum:
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- adi,adau1373
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reg:
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maxItems: 1
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"#sound-dai-cells":
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const: 0
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powerdown-gpios:
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description: GPIO used for hardware power-down.
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maxItems: 1
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adi,micbias1-microvolt:
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description:
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This property sets the microphone bias voltage for the first microphone.
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enum: [1800000, 2200000, 2600000, 2900000]
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default: 2900000
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adi,micbias2-microvolt:
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description:
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This property sets the microphone bias voltage for the second microphone.
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enum: [1800000, 2200000, 2600000, 2900000]
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default: 2900000
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adi,input1-differential:
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description: This property sets the first analog input as differential.
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type: boolean
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adi,input2-differential:
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description: This property sets the second analog input as differential.
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type: boolean
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adi,input3-differential:
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description: This property sets the third analog input as differential.
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type: boolean
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adi,input4-differential:
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description: This property sets the fourth analog input as differential.
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type: boolean
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adi,lineout-differential:
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description: This property sets the line output as differential.
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type: boolean
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adi,lineout-gnd-sense:
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description: This property enables the line output ground sense control.
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type: boolean
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adi,drc-settings:
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description:
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This setting is used to control the dynamic range of the signal. The
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device provides a maximum of three full band DRCs with 13 entries each.
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$ref: /schemas/types.yaml#/definitions/uint8-array
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oneOf:
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- minItems: 13
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maxItems: 13
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- minItems: 26
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maxItems: 26
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- minItems: 39
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maxItems: 39
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required:
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- "#sound-dai-cells"
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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audio-codec@1a {
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compatible = "adi,adau1373";
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reg = <0x1a>;
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#sound-dai-cells = <0>;
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powerdown-gpios = <&gpio 100 GPIO_ACTIVE_LOW>;
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adi,input2-differential;
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adi,input1-differential;
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adi,lineout-differential;
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adi,micbias2-microvolt = <1800000>;
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adi,drc-settings = /bits/ 8 <
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0xff 0xff 0x1 0x2 0xa 0xa 0xd 0x1 0xff 0xff 0x5 0xd 0xff
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>;
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};
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};
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...
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@ -1521,6 +1521,7 @@ L: linux-sound@vger.kernel.org
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S: Supported
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W: http://wiki.analog.com/
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W: https://ez.analog.com/linux-software-drivers
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F: Documentation/devicetree/bindings/sound/adi,*
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F: sound/soc/codecs/ad1*
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F: sound/soc/codecs/ad7*
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F: sound/soc/codecs/adau*
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@ -1,33 +0,0 @@
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Analog Devices ADAU1373 Audio Codec drive
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*
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* Copyright 2011 Analog Devices Inc.
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* Author: Lars-Peter Clausen <lars@metafoo.de>
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*/
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#ifndef __SOUND_ADAU1373_H__
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#define __SOUND_ADAU1373_H__
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enum adau1373_micbias_voltage {
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ADAU1373_MICBIAS_2_9V = 0,
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ADAU1373_MICBIAS_2_2V = 1,
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ADAU1373_MICBIAS_2_6V = 2,
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ADAU1373_MICBIAS_1_8V = 3,
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};
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#define ADAU1373_DRC_SIZE 13
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struct adau1373_platform_data {
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bool input_differential[4];
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bool lineout_differential;
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bool lineout_ground_sense;
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unsigned int num_drc;
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uint8_t drc_setting[3][ADAU1373_DRC_SIZE];
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enum adau1373_micbias_voltage micbias1;
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enum adau1373_micbias_voltage micbias2;
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};
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#endif
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@ -465,7 +465,7 @@ config SND_SOC_ADAU1372_SPI
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select REGMAP_SPI
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config SND_SOC_ADAU1373
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tristate
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tristate "Analog Devices ADAU1373 CODEC"
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depends on I2C
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select SND_SOC_ADAU_UTILS
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@ -8,8 +8,10 @@
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/gpio/consumer.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/property.h>
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#include <linux/i2c.h>
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#include <linux/slab.h>
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@ -18,7 +20,6 @@
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#include <sound/pcm_params.h>
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#include <sound/tlv.h>
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#include <sound/soc.h>
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#include <sound/adau1373.h>
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#include "adau1373.h"
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#include "adau-utils.h"
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@ -30,9 +31,28 @@ struct adau1373_dai {
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bool clock_provider;
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};
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enum adau1373_micbias_voltage {
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ADAU1373_MICBIAS_2_9V,
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ADAU1373_MICBIAS_2_2V,
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ADAU1373_MICBIAS_2_6V,
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ADAU1373_MICBIAS_1_8V,
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};
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#define ADAU1373_DRC_SIZE 13
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struct adau1373 {
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struct regmap *regmap;
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struct adau1373_dai dais[3];
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bool input_differential[4];
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bool lineout_differential;
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bool lineout_ground_sense;
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unsigned int num_drc;
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u8 drc_setting[3][ADAU1373_DRC_SIZE];
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enum adau1373_micbias_voltage micbias1;
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enum adau1373_micbias_voltage micbias2;
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};
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#define ADAU1373_INPUT_MODE 0x00
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@ -1332,66 +1352,61 @@ static void adau1373_load_drc_settings(struct adau1373 *adau1373,
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regmap_write(adau1373->regmap, ADAU1373_DRC(nr) + i, drc[i]);
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}
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static bool adau1373_valid_micbias(enum adau1373_micbias_voltage micbias)
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static int adau1373_get_micbias(unsigned int val,
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enum adau1373_micbias_voltage *micbias)
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{
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switch (micbias) {
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case ADAU1373_MICBIAS_2_9V:
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case ADAU1373_MICBIAS_2_2V:
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case ADAU1373_MICBIAS_2_6V:
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case ADAU1373_MICBIAS_1_8V:
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return true;
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switch (val) {
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case 2900000:
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*micbias = ADAU1373_MICBIAS_2_9V;
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return 0;
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case 2200000:
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*micbias = ADAU1373_MICBIAS_2_2V;
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return 0;
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case 2600000:
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*micbias = ADAU1373_MICBIAS_2_6V;
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return 0;
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case 1800000:
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*micbias = ADAU1373_MICBIAS_1_8V;
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return 0;
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default:
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break;
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return -EINVAL;
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}
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return false;
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}
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static int adau1373_probe(struct snd_soc_component *component)
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{
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struct adau1373 *adau1373 = snd_soc_component_get_drvdata(component);
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struct adau1373_platform_data *pdata = component->dev->platform_data;
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bool lineout_differential = false;
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unsigned int val;
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int i;
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if (pdata) {
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if (pdata->num_drc > ARRAY_SIZE(pdata->drc_setting))
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return -EINVAL;
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if (!adau1373_valid_micbias(pdata->micbias1) ||
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!adau1373_valid_micbias(pdata->micbias2))
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return -EINVAL;
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for (i = 0; i < pdata->num_drc; ++i) {
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adau1373_load_drc_settings(adau1373, i,
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pdata->drc_setting[i]);
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}
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snd_soc_add_component_controls(component, adau1373_drc_controls,
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pdata->num_drc);
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val = 0;
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for (i = 0; i < 4; ++i) {
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if (pdata->input_differential[i])
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val |= BIT(i);
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}
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regmap_write(adau1373->regmap, ADAU1373_INPUT_MODE, val);
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val = 0;
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if (pdata->lineout_differential)
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val |= ADAU1373_OUTPUT_CTRL_LDIFF;
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if (pdata->lineout_ground_sense)
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val |= ADAU1373_OUTPUT_CTRL_LNFBEN;
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regmap_write(adau1373->regmap, ADAU1373_OUTPUT_CTRL, val);
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lineout_differential = pdata->lineout_differential;
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regmap_write(adau1373->regmap, ADAU1373_EP_CTRL,
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(pdata->micbias1 << ADAU1373_EP_CTRL_MICBIAS1_OFFSET) |
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(pdata->micbias2 << ADAU1373_EP_CTRL_MICBIAS2_OFFSET));
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for (i = 0; i < adau1373->num_drc; ++i) {
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adau1373_load_drc_settings(adau1373, i,
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adau1373->drc_setting[i]);
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}
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if (!lineout_differential) {
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snd_soc_add_component_controls(component, adau1373_drc_controls,
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adau1373->num_drc);
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val = 0;
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for (i = 0; i < ARRAY_SIZE(adau1373->input_differential); ++i) {
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if (adau1373->input_differential[i])
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val |= BIT(i);
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}
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regmap_write(adau1373->regmap, ADAU1373_INPUT_MODE, val);
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val = 0;
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if (adau1373->lineout_differential)
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val |= ADAU1373_OUTPUT_CTRL_LDIFF;
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if (adau1373->lineout_ground_sense)
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val |= ADAU1373_OUTPUT_CTRL_LNFBEN;
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regmap_write(adau1373->regmap, ADAU1373_OUTPUT_CTRL, val);
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regmap_write(adau1373->regmap, ADAU1373_EP_CTRL,
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(adau1373->micbias1 << ADAU1373_EP_CTRL_MICBIAS1_OFFSET) |
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(adau1373->micbias2 << ADAU1373_EP_CTRL_MICBIAS2_OFFSET));
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if (!adau1373->lineout_differential) {
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snd_soc_add_component_controls(component, adau1373_lineout2_controls,
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ARRAY_SIZE(adau1373_lineout2_controls));
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}
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@ -1471,9 +1486,74 @@ static const struct snd_soc_component_driver adau1373_component_driver = {
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.endianness = 1,
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};
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static void adau1373_reset(void *reset_gpio)
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{
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gpiod_set_value_cansleep(reset_gpio, 1);
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}
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static int adau1373_parse_fw(struct device *dev, struct adau1373 *adau1373)
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{
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int ret, drc_count;
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unsigned int val;
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if (device_property_present(dev, "adi,input1-differential"))
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adau1373->input_differential[0] = true;
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if (device_property_present(dev, "adi,input2-differential"))
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adau1373->input_differential[1] = true;
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if (device_property_present(dev, "adi,input3-differential"))
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adau1373->input_differential[2] = true;
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if (device_property_present(dev, "adi,input4-differential"))
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adau1373->input_differential[3] = true;
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if (device_property_present(dev, "adi,lineout-differential"))
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adau1373->lineout_differential = true;
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if (device_property_present(dev, "adi,lineout-gnd-sense"))
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adau1373->lineout_ground_sense = true;
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ret = device_property_read_u32(dev, "adi,micbias1-microvolt", &val);
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if (!ret) {
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ret = adau1373_get_micbias(val, &adau1373->micbias1);
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if (ret)
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return dev_err_probe(dev, ret,
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"Failed to get micbias1(%u)\n", val);
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}
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ret = device_property_read_u32(dev, "adi,micbias2-microvolt", &val);
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if (!ret) {
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ret = adau1373_get_micbias(val, &adau1373->micbias2);
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if (ret)
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return dev_err_probe(dev, ret,
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"Failed to get micbias2(%u)\n", val);
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}
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drc_count = device_property_count_u8(dev, "adi,drc-settings");
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if (drc_count < 0)
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return 0;
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if (drc_count % ADAU1373_DRC_SIZE != 0)
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return dev_err_probe(dev, -EINVAL,
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"DRC count(%u) not multiple of %u\n",
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drc_count, ADAU1373_DRC_SIZE);
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adau1373->num_drc = drc_count / ADAU1373_DRC_SIZE;
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if (adau1373->num_drc > ARRAY_SIZE(adau1373->drc_setting))
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return dev_err_probe(dev, -EINVAL,
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"Too many DRC settings(%u)\n",
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adau1373->num_drc);
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ret = device_property_read_u8_array(dev, "adi,drc-settings",
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(u8 *)&adau1373->drc_setting[0],
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drc_count);
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if (ret)
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return dev_err_probe(dev, ret,
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"Failed to read DRC settings\n");
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return 0;
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}
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static int adau1373_i2c_probe(struct i2c_client *client)
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{
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struct adau1373 *adau1373;
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struct gpio_desc *gpiod;
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int ret;
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adau1373 = devm_kzalloc(&client->dev, sizeof(*adau1373), GFP_KERNEL);
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@ -1485,10 +1565,33 @@ static int adau1373_i2c_probe(struct i2c_client *client)
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if (IS_ERR(adau1373->regmap))
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return PTR_ERR(adau1373->regmap);
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regmap_write(adau1373->regmap, ADAU1373_SOFT_RESET, 0x00);
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/*
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* If the powerdown GPIO is specified, we use it for reset. Otherwise
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* a software reset is done.
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*/
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gpiod = devm_gpiod_get_optional(&client->dev, "powerdown",
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GPIOD_OUT_HIGH);
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if (IS_ERR(gpiod))
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return PTR_ERR(gpiod);
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if (gpiod) {
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gpiod_set_value_cansleep(gpiod, 0);
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fsleep(10);
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ret = devm_add_action_or_reset(&client->dev, adau1373_reset,
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gpiod);
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if (ret)
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return ret;
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} else {
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regmap_write(adau1373->regmap, ADAU1373_SOFT_RESET, 0x00);
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}
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dev_set_drvdata(&client->dev, adau1373);
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ret = adau1373_parse_fw(&client->dev, adau1373);
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if (ret)
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return ret;
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ret = devm_snd_soc_register_component(&client->dev,
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&adau1373_component_driver,
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adau1373_dai_driver, ARRAY_SIZE(adau1373_dai_driver));
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@ -1501,9 +1604,16 @@ static const struct i2c_device_id adau1373_i2c_id[] = {
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};
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MODULE_DEVICE_TABLE(i2c, adau1373_i2c_id);
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static const struct of_device_id adau1373_of_match[] = {
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{ .compatible = "adi,adau1373", },
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{ }
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};
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MODULE_DEVICE_TABLE(of, adau1373_of_match);
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static struct i2c_driver adau1373_i2c_driver = {
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.driver = {
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.name = "adau1373",
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.of_match_table = adau1373_of_match,
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},
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.probe = adau1373_i2c_probe,
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.id_table = adau1373_i2c_id,
|
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|
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