From patchwork Sun Apr 6 13:03:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 878632 Received: from ahti.lucaweiss.eu (ahti.lucaweiss.eu [128.199.32.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E4FE1AAE28; Sun, 6 Apr 2025 13:09:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=128.199.32.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743944975; cv=none; b=mfGJvRbmvEgdbwGQ95xIeTvKSISWK4PxMyvsD8dXWBzHbIGQVWAzfHM/ddw/2BbKQDGo+eUDO/KJb/C8JEuj6Re9738tw80J5veGZpP3vgkcQp5YScSu4IYEGCL6Vmauuqd2gm+lIUdAzgwyVRfzirgItt7bhWpxJg2lERUE3To= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743944975; c=relaxed/simple; bh=1kwR/uAn6H4VvkHuCFbYQOlgki326S4VL3CqoDsXu8c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=K8fgIWUehY91VMN1d6CuG5ZjXicxBdk/mX2HWf+UvANp9A0qKYipDXjRgGPU0LUVQS8B3RIm6rl2zXkkQgw3FsdUV2GgEUtVGeyhD787f9kV8rCrsUuNvAmrdmfjlpXhwzTpQPOctWlTPC455DgDRb4ZRafefHoFKqwHlVzLZQ0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=lucaweiss.eu; spf=pass smtp.mailfrom=lucaweiss.eu; dkim=pass (1024-bit key) header.d=lucaweiss.eu header.i=@lucaweiss.eu header.b=KHiAD7Tg; arc=none smtp.client-ip=128.199.32.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=lucaweiss.eu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lucaweiss.eu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lucaweiss.eu header.i=@lucaweiss.eu header.b="KHiAD7Tg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lucaweiss.eu; s=s1; t=1743944609; bh=1kwR/uAn6H4VvkHuCFbYQOlgki326S4VL3CqoDsXu8c=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=KHiAD7Tg6ZsoEhcII5ZBIfRjzIUU5FJ6ku4B4+7mO4WxFteHZd/EjGV1/t5nrRTky ePIEyuSZumbr1XbKSf77ht1ekY6D6KXvtKXhWYQjVypJ65TRoWv1IZ+g8SZg2BrZa8 5layR7c5sEd3LSpKUZ3qyE5T0uFiCusPGTdH7Rq8= From: Luca Weiss Date: Sun, 06 Apr 2025 15:03:15 +0200 Subject: [PATCH 1/3] ASoC: dt-bindings: Document Awinic AW8898 amplifier Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250406-aw8898-v1-1-58a2d554693f@lucaweiss.eu> References: <20250406-aw8898-v1-0-58a2d554693f@lucaweiss.eu> In-Reply-To: <20250406-aw8898-v1-0-58a2d554693f@lucaweiss.eu> To: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Bjorn Andersson , Konrad Dybcio , Weidong Wang Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2275; i=luca@lucaweiss.eu; h=from:subject:message-id; bh=1kwR/uAn6H4VvkHuCFbYQOlgki326S4VL3CqoDsXu8c=; b=owEBbQKS/ZANAwAIAXLYQ7idTddWAcsmYgBn8nueWUb8ZHMAmSblTKg1FNqhsg1jZqo3Hn50d W9wAUIncPiJAjMEAAEIAB0WIQQ5utIvCCzakboVj/py2EO4nU3XVgUCZ/J7ngAKCRBy2EO4nU3X ViKYEADSVFFYvPUx4Kf7C9YFS1pA5P7DHMFI8IsL6j8xOHF8dVJZzzCxWfe5pirS7BPu29xDlm2 GqOR8ewoubITxIzDahtM98oVHdKNRTj/P8VK/hEIJERH7xNjYsnKzO/NIaKEq2/m7RvgGFfjSlj HFQQ+lJ5A0LDDc9I0XgvAYtEwJV/H29F90CZHxlEqEH2TGrjcwYKiWCRUHTDkQVahiDRCOm4FFC +13dO3lqgpPhAlw2vtgrnABe/enchmLp6vFprsAvgRY2STpRSYNPQdIpiCoBrxoDm034VtQiQtu hehF5qtLvR70y/2qu8R2tC+OpIiyvlosuCg+EvYoRXauFvmP6TdBDWpCc0EowAc7S+kpEwgC3FI uDDlyqMC+c5gZTl6YMar0mIECC+Ts3MHf6WQNuJvMYi0ScSRzw7mzE0ZDR0P1FFhTA4XcJfCWFr xImIgfx6woMc6/pq/dDZ+2NjEC1GrxCx3T0OrEpfX/jbVR4UnDVwyOvfd6lQ1/Xs0XJLnaOH8JG EG5/p4At8TfPeZ0CZbnWFby5LTQecNl97e4AqC3yMXBquFUYAj+TtxqE+ke1vMUpX75zqAQLjmb ps2XoZSMlofZlE5GsF4Y1GdAsWNUsXvYvFW4G4sSjx5GJcpiZ9wtl4NuP3yjg1B2BdjHfzcNPnf TF3N5zPb+sRpBDw== X-Developer-Key: i=luca@lucaweiss.eu; a=openpgp; fpr=BD04DA24C971B8D587B2B8D7FAF69CF6CD2D02CD Add the bindings for the Awinic AW8898 amplifier. Signed-off-by: Luca Weiss Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/sound/awinic,aw8898.yaml | 75 ++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/awinic,aw8898.yaml b/Documentation/devicetree/bindings/sound/awinic,aw8898.yaml new file mode 100644 index 0000000000000000000000000000000000000000..2be084e77253410fd66ded5242fc75174dbfc4f9 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/awinic,aw8898.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/awinic,aw8898.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Awinic AW8898 Audio Amplifier + +maintainers: + - Luca Weiss + +description: + The AW8898 is an I2S/TDM input, high efficiency digital Smart K audio + amplifier with an integrated 9.5V smart boost converter, sound quality + enhancement algorithms and speaker protection. + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: awinic,aw8898 + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + + interrupts: + maxItems: 1 + + dvdd-supply: + description: + Digital power supply + + vddio-supply: + description: + Digital IO power supply + + vdd-supply: + description: + Battery power supply + + "#sound-dai-cells": + const: 0 + +required: + - compatible + - reg + - reset-gpios + - "#sound-dai-cells" + +additionalProperties: false + +examples: + - | + #include + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + audio-codec@34 { + compatible = "awinic,aw8898"; + reg = <0x34>; + reset-gpios = <&tlmm 21 GPIO_ACTIVE_LOW>; + interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>; + dvdd-supply = <&pm8953_l5>; + vddio-supply = <&pm8953_l5>; + vdd-supply = <&vph_pwr>; + #sound-dai-cells = <0>; + }; + }; From patchwork Sun Apr 6 13:03:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 878761 Received: from ahti.lucaweiss.eu (ahti.lucaweiss.eu [128.199.32.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E4A01A5BB8; Sun, 6 Apr 2025 13:09:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=128.199.32.197 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743944975; cv=none; b=PVawqgME8vpJQtuEW0rFmXRgqgDd0IBaaaWmOouvkfKhGAZVLSuyRJG9xZG+MNePtJLnkdDdsJAgR99LE7AEx4Qmz+d+jCxZkhJeWADJ+tj42uBLqz1UYPlHfPYZHk5Pxar2Je5xW3rlOQm7Op3Ni9hJnMyzIm/1xs9LmWaw78E= ARC-Message-Signature: i=1; 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a=rsa-sha256; c=relaxed/simple; d=lucaweiss.eu; s=s1; t=1743944609; bh=j7uyoq8Wxtsg+/Pgxp0xlOdDKdR4NmwwxLjvz0Bk9n8=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=1GCmSw5IbzeD0XD8iHUMVVhD8SSeZOel1yVB0jCPXpvurKapCipZydpTEfmOhJ5yZ qW/UkQ5aYFN2KHqdhachYKdLbKhIPE2+gm/4gwfQdgMu0JoBfUBdAYea/Z7NVPGFZA ZgWocgjR5xVoymRdUs+/zTcK0QO9HTXFzx0Pyu5k= From: Luca Weiss Date: Sun, 06 Apr 2025 15:03:16 +0200 Subject: [PATCH 2/3] ASoC: codecs: Add aw8898 amplifier driver Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250406-aw8898-v1-2-58a2d554693f@lucaweiss.eu> References: <20250406-aw8898-v1-0-58a2d554693f@lucaweiss.eu> In-Reply-To: <20250406-aw8898-v1-0-58a2d554693f@lucaweiss.eu> To: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Bjorn Andersson , Konrad Dybcio , Weidong Wang Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=BD04DA24C971B8D587B2B8D7FAF69CF6CD2D02CD Add a driver for the AW8898 Audio Amplifier. Signed-off-by: Luca Weiss --- sound/soc/codecs/Kconfig | 10 + sound/soc/codecs/Makefile | 1 + sound/soc/codecs/snd-soc-aw8898.c | 583 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 594 insertions(+) diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 40bb7a1d44bcfa4c386f2eba0f475efeeedf1bdb..8351853d3c21522b91639ddfe862613e2cde5be3 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -61,6 +61,7 @@ config SND_SOC_ALL_CODECS imply SND_SOC_AW88166 imply SND_SOC_AW88261 imply SND_SOC_AW88399 + imply SND_SOC_AW8898 imply SND_SOC_BT_SCO imply SND_SOC_BD28623 imply SND_SOC_CHV3_CODEC @@ -739,6 +740,15 @@ config SND_SOC_AW88399 digital Smart K audio amplifier and SKTune speaker protection algorithms. +config SND_SOC_AW8898 + tristate "Awinic AW8898 Audio Amplifier" + depends on I2C + select REGMAP_I2C + select GPIOLIB + help + Enable support for the Awinic AW8898 audio amplifier with I2C + control. + config SND_SOC_BD28623 tristate "ROHM BD28623 CODEC" help diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 10f726066b6c63736a4f533cf992c8e55a02036d..04691deb218262e2352d21d8bb231613ad1655d7 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -474,6 +474,7 @@ obj-$(CONFIG_SND_SOC_AW88395) +=snd-soc-aw88395.o obj-$(CONFIG_SND_SOC_AW88166) +=snd-soc-aw88166.o obj-$(CONFIG_SND_SOC_AW88261) +=snd-soc-aw88261.o obj-$(CONFIG_SND_SOC_AW88399) += snd-soc-aw88399.o +obj-$(CONFIG_SND_SOC_AW8898) += snd-soc-aw8898.o obj-$(CONFIG_SND_SOC_BD28623) += snd-soc-bd28623.o obj-$(CONFIG_SND_SOC_BT_SCO) += snd-soc-bt-sco.o obj-$(CONFIG_SND_SOC_CHV3_CODEC) += snd-soc-chv3-codec.o diff --git a/sound/soc/codecs/snd-soc-aw8898.c b/sound/soc/codecs/snd-soc-aw8898.c new file mode 100644 index 0000000000000000000000000000000000000000..204c39709f17e904f656cb6a945e6dfd969d1569 --- /dev/null +++ b/sound/soc/codecs/snd-soc-aw8898.c @@ -0,0 +1,583 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2018 AWINIC Technology CO., LTD + * Author: Nick Li + * + * Copyright (c) 2025 Luca Weiss + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* Chip ID */ +#define AW8898_ID 0x00 +#define AW8898_CHIP_ID 0x1702 + +/* System Status */ +#define AW8898_SYSST 0x01 +#define AW8898_SYSST_PLLS GENMASK(0, 0) + +/* System Control */ +#define AW8898_SYSCTRL 0x04 +#define AW8898_SYSCTRL_MODE_MASK GENMASK(7, 7) +#define AW8898_SYSCTRL_RCV_MODE (1) +#define AW8898_SYSCTRL_SPK_MODE (0) +#define AW8898_SYSCTRL_PW_MASK GENMASK(0, 0) +#define AW8898_SYSCTRL_PW_PDN (1) +#define AW8898_SYSCTRL_PW_ACTIVE (0) + +/* I2S Interface Control */ +#define AW8898_I2SCTRL 0x05 +#define AW8898_I2SCTRL_FMS_MASK GENMASK(7, 6) +#define AW8898_I2SCTRL_FMS_32BIT (3) +#define AW8898_I2SCTRL_FMS_24BIT (2) +#define AW8898_I2SCTRL_FMS_20BIT (1) +#define AW8898_I2SCTRL_FMS_16BIT (0) +#define AW8898_I2SCTRL_SR_MASK GENMASK(3, 0) +#define AW8898_I2SCTRL_SR_48K (8) +#define AW8898_I2SCTRL_SR_44P1K (7) +#define AW8898_I2SCTRL_SR_32K (6) +#define AW8898_I2SCTRL_SR_16K (3) +#define AW8898_I2SCTRL_SR_8K (0) + +/* PWM Control */ +#define AW8898_PWMCTRL 0x08 +#define AW8898_PWMCTRL_HMUTE_MASK GENMASK(0, 0) +#define AW8898_PWMCTRL_HMUTE_ENABLE (1) +#define AW8898_PWMCTRL_HMUTE_DISABLE (0) + +/* Hardware AGC Configuration 7 */ +#define AW8898_HAGCCFG7 0x0f +#define AW8898_HAGCCFG7_VOL_REG_SHIFT (8) /* bits 15-8 */ +#define AW8898_VOLUME_MAX (255) +#define AW8898_VOLUME_MIN (0) + +#define AW8898_MAX_REGISTER 0xff + +#define AW8898_CFG_NAME "aw8898_cfg.bin" + +#define AW8898_NUM_SUPPLIES 3 +static const char *aw8898_supply_names[AW8898_NUM_SUPPLIES] = { + "vdd", /* Battery power */ + "vddio", /* Digital IO power */ + "dvdd", /* Digital power */ +}; + +static const char * const aw8898_dev_mode_text[] = { + "Speaker", + "Receiver", +}; + +enum aw8898_mode { + AW8898_SPEAKER, + AW8898_RECEIVER, +}; + +static const struct soc_enum aw8898_dev_mode_enum = + SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(aw8898_dev_mode_text), aw8898_dev_mode_text); + +struct aw8898 { + struct snd_soc_component *component; + struct regmap *regmap; + struct i2c_client *client; + struct mutex cfg_lock; + struct gpio_desc *reset; + struct regulator_bulk_data supplies[AW8898_NUM_SUPPLIES]; + enum aw8898_mode dev_mode; + bool cfg_loaded; +}; + +struct aw8898_cfg { + int len; + struct { + __le16 addr; + __le16 val; + } __packed data[]; +}; + +static void aw8898_set_mute(struct aw8898 *aw8898, bool mute) +{ + unsigned int val = AW8898_PWMCTRL_HMUTE_DISABLE; + + if (mute) + val = AW8898_PWMCTRL_HMUTE_ENABLE; + + regmap_update_bits(aw8898->regmap, AW8898_PWMCTRL, + AW8898_PWMCTRL_HMUTE_MASK, + FIELD_PREP(AW8898_PWMCTRL_HMUTE_MASK, val)); +} + +static void aw8898_set_power(struct aw8898 *aw8898, bool on) +{ + unsigned int val = AW8898_SYSCTRL_PW_PDN; + + if (on) + val = AW8898_SYSCTRL_PW_ACTIVE; + + regmap_update_bits(aw8898->regmap, AW8898_SYSCTRL, + AW8898_SYSCTRL_PW_MASK, + FIELD_PREP(AW8898_SYSCTRL_PW_MASK, val)); +} + +static void aw8898_update_dev_mode(struct aw8898 *aw8898) +{ + unsigned int mode = AW8898_SYSCTRL_SPK_MODE; + + if (aw8898->dev_mode == AW8898_RECEIVER) + mode = AW8898_SYSCTRL_RCV_MODE; + + regmap_update_bits(aw8898->regmap, AW8898_SYSCTRL, + AW8898_SYSCTRL_MODE_MASK, + FIELD_PREP(AW8898_SYSCTRL_MODE_MASK, mode)); +} + +static void aw8898_start(struct aw8898 *aw8898) +{ + unsigned int val; + int err; + + aw8898_set_power(aw8898, true); + + fsleep(2000); + + err = regmap_read_poll_timeout(aw8898->regmap, AW8898_SYSST, + val, val & AW8898_SYSST_PLLS, + 2000, 1 * USEC_PER_SEC); + if (err) { + dev_err(&aw8898->client->dev, "iis signal check error: %d\n", err); + aw8898_set_power(aw8898, false); + return; + } + + aw8898_set_mute(aw8898, false); +} + +static void aw8898_stop(struct aw8898 *aw8898) +{ + aw8898_set_mute(aw8898, true); + aw8898_set_power(aw8898, false); +} + +static void aw8898_cfg_write(struct aw8898 *aw8898, + struct aw8898_cfg *aw8898_cfg) +{ + for (int i = 0; i < aw8898_cfg->len; i++) { + unsigned int addr = __le32_to_cpu(aw8898_cfg->data[i].addr); + unsigned int val = __le32_to_cpu(aw8898_cfg->data[i].val); + + dev_dbg(&aw8898->client->dev, "cfg reg = 0x%04x, val = 0x%04x\n", addr, val); + regmap_write(aw8898->regmap, addr, val); + } +} + +static void aw8898_fw_loaded(const struct firmware *fw, void *context) +{ + struct aw8898 *aw8898 = context; + struct aw8898_cfg *aw8898_cfg; + + if (!fw) { + dev_err(&aw8898->client->dev, "Failed to load firmware\n"); + return; + } + + dev_dbg(&aw8898->client->dev, "Loaded %s - size: %zu\n", AW8898_CFG_NAME, fw->size); + + if (fw->size % 4 != 0) { + dev_err(&aw8898->client->dev, "Invalid firmware size %zu\n", fw->size); + release_firmware(fw); + return; + } + + aw8898_cfg = kzalloc(sizeof(int) + fw->size, GFP_KERNEL); + if (!aw8898_cfg) { + release_firmware(fw); + return; + } + + aw8898_cfg->len = fw->size / 4; + memcpy(aw8898_cfg->data, fw->data, fw->size); + + release_firmware(fw); + + aw8898_cfg_write(aw8898, aw8898_cfg); + + kfree(aw8898_cfg); + + aw8898->cfg_loaded = true; + + aw8898_update_dev_mode(aw8898); + aw8898_start(aw8898); +} + +static void aw8898_cold_start(struct aw8898 *aw8898) +{ + int err; + + err = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, + AW8898_CFG_NAME, &aw8898->client->dev, GFP_KERNEL, + aw8898, aw8898_fw_loaded); + if (err) + dev_err(&aw8898->client->dev, "Firmware load request failed: %d\n", err); +} + +static int aw8898_dev_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(component); + + ucontrol->value.enumerated.item[0] = aw8898->dev_mode; + + return 0; +} + +static int aw8898_dev_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(component); + + if (aw8898->dev_mode == ucontrol->value.enumerated.item[0]) + return 0; + + aw8898->dev_mode = ucontrol->value.enumerated.item[0]; + + aw8898_update_dev_mode(aw8898); + + return 1; +} + +/* + * -127.5 dB min, 0.5 dB steps, no mute + * Note: The official datasheet claims to be able to attenuate between 0 dB and + * -96 dB with 0.5 dB/step, but the register values are 0-255 so this doesn't + * really line up. It's a best guess. + */ +static const DECLARE_TLV_DB_SCALE(vol_tlv, -12750, 50, 0); + +static struct snd_kcontrol_new aw8898_controls[] = { + SOC_ENUM_EXT("Amp Mode", aw8898_dev_mode_enum, + aw8898_dev_mode_get, aw8898_dev_mode_put), + SOC_SINGLE_RANGE_TLV("RX Volume", AW8898_HAGCCFG7, + AW8898_HAGCCFG7_VOL_REG_SHIFT, + AW8898_VOLUME_MIN, AW8898_VOLUME_MAX, 1, vol_tlv), +}; + +static int aw8898_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(dai->component); + + aw8898_set_power(aw8898, true); + + return 0; +} + +static int aw8898_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + if ((fmt & SND_SOC_DAIFMT_MASTER_MASK) + != SND_SOC_DAIFMT_CBC_CFC) { + dev_err(component->dev, "Invalid codec master mode: %d\n", + fmt & SND_SOC_DAIFMT_MASTER_MASK); + return -EINVAL; + } + break; + default: + dev_err(component->dev, "Unsupported DAI format %d\n", + fmt & SND_SOC_DAIFMT_FORMAT_MASK); + return -EINVAL; + } + + return 0; +} + +static int aw8898_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *component = dai->component; + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(dai->component); + unsigned int val; + + switch (params_rate(params)) { + case 8000: + val = AW8898_I2SCTRL_SR_8K; + break; + case 16000: + val = AW8898_I2SCTRL_SR_16K; + break; + case 32000: + val = AW8898_I2SCTRL_SR_32K; + break; + case 44100: + val = AW8898_I2SCTRL_SR_44P1K; + break; + case 48000: + val = AW8898_I2SCTRL_SR_48K; + break; + default: + dev_err(component->dev, "Unsupported sample rate: %d\n", + params_rate(params)); + return -EINVAL; + } + + regmap_update_bits(aw8898->regmap, AW8898_I2SCTRL, + AW8898_I2SCTRL_SR_MASK, + FIELD_PREP(AW8898_I2SCTRL_SR_MASK, val)); + + switch (params_width(params)) { + case 16: + val = AW8898_I2SCTRL_FMS_16BIT; + break; + case 20: + val = AW8898_I2SCTRL_FMS_20BIT; + break; + case 24: + val = AW8898_I2SCTRL_FMS_24BIT; + break; + case 32: + val = AW8898_I2SCTRL_FMS_32BIT; + break; + default: + dev_err(component->dev, "Unsupported sample size: %d\n", + params_width(params)); + return -EINVAL; + } + + regmap_update_bits(aw8898->regmap, AW8898_I2SCTRL, + AW8898_I2SCTRL_FMS_MASK, + FIELD_PREP(AW8898_I2SCTRL_FMS_MASK, val)); + + return 0; +} + +static int aw8898_mute(struct snd_soc_dai *dai, int mute, int stream) +{ + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(dai->component); + + mutex_lock(&aw8898->cfg_lock); + + if (mute) { + aw8898_stop(aw8898); + } else { + if (!aw8898->cfg_loaded) { + aw8898_cold_start(aw8898); + } else { + aw8898_update_dev_mode(aw8898); + aw8898_start(aw8898); + } + } + + mutex_unlock(&aw8898->cfg_lock); + + return 0; +} + +static void aw8898_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(dai->component); + + aw8898_set_power(aw8898, false); +} + +static const struct snd_soc_dai_ops aw8898_dai_ops = { + .startup = aw8898_startup, + .set_fmt = aw8898_set_fmt, + .hw_params = aw8898_hw_params, + .mute_stream = aw8898_mute, + .shutdown = aw8898_shutdown, +}; + +#define AW8898_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_driver aw8898_dai[] = { + { + .name = "aw8898-amplifier", + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = AW8898_FORMATS, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = AW8898_FORMATS, + }, + .ops = &aw8898_dai_ops, + .symmetric_rate = 1, + .symmetric_channels = 1, + .symmetric_sample_bits = 1, + }, +}; + +static int aw8898_component_probe(struct snd_soc_component *component) +{ + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(component); + int ret; + + aw8898->component = component; + + ret = regulator_bulk_enable(ARRAY_SIZE(aw8898->supplies), + aw8898->supplies); + if (ret) { + dev_err(component->dev, "Failed to enable supplies: %d\n", + ret); + return ret; + } + + snd_soc_add_component_controls(component, aw8898_controls, + ARRAY_SIZE(aw8898_controls)); + + return 0; +} + +static void aw8898_component_remove(struct snd_soc_component *component) +{ + struct aw8898 *aw8898 = snd_soc_component_get_drvdata(component); + int ret; + + ret = regulator_bulk_disable(ARRAY_SIZE(aw8898->supplies), + aw8898->supplies); + if (ret) + dev_err(component->dev, "Failed to disable supplies: %d\n", + ret); +}; + +static const struct snd_soc_component_driver soc_component_dev_aw8898 = { + .probe = aw8898_component_probe, + .remove = aw8898_component_remove, +}; + +static const struct regmap_config aw8898_regmap = { + .reg_bits = 8, + .val_bits = 16, + + .max_register = AW8898_MAX_REGISTER, + .cache_type = REGCACHE_RBTREE, +}; + +static void aw8898_reset(struct aw8898 *aw8898) +{ + gpiod_set_value_cansleep(aw8898->reset, 1); + fsleep(1000); + gpiod_set_value_cansleep(aw8898->reset, 0); + fsleep(1000); +} + +static int aw8898_check_chipid(struct aw8898 *aw8898) +{ + unsigned int reg; + int ret; + + ret = regmap_read(aw8898->regmap, AW8898_ID, ®); + if (ret < 0) { + dev_err(&aw8898->client->dev, + "Failed to read register AW8898_ID: %d\n", ret); + return ret; + } + + dev_dbg(&aw8898->client->dev, "Read chip ID 0x%x\n", reg); + + if (reg != AW8898_CHIP_ID) { + dev_err(&aw8898->client->dev, "Unexpected chip ID: 0x%x\n", + reg); + return -EINVAL; + } + + return 0; +} + +static int aw8898_probe(struct i2c_client *client) +{ + struct aw8898 *aw8898; + int ret; + + aw8898 = devm_kzalloc(&client->dev, sizeof(*aw8898), GFP_KERNEL); + if (!aw8898) + return -ENOMEM; + + i2c_set_clientdata(client, aw8898); + aw8898->client = client; + + aw8898->regmap = devm_regmap_init_i2c(client, &aw8898_regmap); + if (IS_ERR(aw8898->regmap)) + return dev_err_probe(&client->dev, PTR_ERR(aw8898->regmap), + "Failed to allocate register map\n"); + + ret = devm_mutex_init(&client->dev, &aw8898->cfg_lock); + if (ret) + return dev_err_probe(&client->dev, ret, + "Failed to init mutex\n"); + + for (int i = 0; i < ARRAY_SIZE(aw8898->supplies); i++) + aw8898->supplies[i].supply = aw8898_supply_names[i]; + + ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(aw8898->supplies), + aw8898->supplies); + if (ret) + return dev_err_probe(&client->dev, ret, + "Failed to get regulators\n"); + + aw8898->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(aw8898->reset)) + return dev_err_probe(&client->dev, PTR_ERR(aw8898->reset), + "Failed to get reset GPIO\n"); + + aw8898_reset(aw8898); + + ret = aw8898_check_chipid(aw8898); + if (ret) + return dev_err_probe(&client->dev, ret, "Chip ID check failed\n"); + + dev_set_drvdata(&client->dev, aw8898); + + ret = devm_snd_soc_register_component(&client->dev, &soc_component_dev_aw8898, + aw8898_dai, ARRAY_SIZE(aw8898_dai)); + if (ret < 0) + return dev_err_probe(&client->dev, ret, "Failed to register component\n"); + + return 0; +} + +static const struct i2c_device_id aw8898_id[] = { + { "aw8898" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(i2c, aw8898_id); + +static const struct of_device_id aw8898_of_match[] = { + { .compatible = "awinic,aw8898" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, aw8898_of_match); + +static struct i2c_driver aw8898_driver = { + .driver = { + .name = "aw8898", + .of_match_table = of_match_ptr(aw8898_of_match), + }, + .probe = aw8898_probe, + .id_table = aw8898_id, +}; + +module_i2c_driver(aw8898_driver); + +MODULE_DESCRIPTION("AW8898 Audio amplifier driver"); +MODULE_LICENSE("GPL"); From patchwork Sun Apr 6 13:03:17 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Weiss X-Patchwork-Id: 878762 Received: from ahti.lucaweiss.eu (ahti.lucaweiss.eu [128.199.32.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E56120E6FD; 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arc=none smtp.client-ip=128.199.32.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=lucaweiss.eu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lucaweiss.eu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lucaweiss.eu header.i=@lucaweiss.eu header.b="hWf5HCX/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lucaweiss.eu; s=s1; t=1743944609; bh=13RE6hOUkBqpr+oWU0X4GFlgowxwfHS6noOIRF1dxL0=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=hWf5HCX/hpiGPOGvRMdVrGdN5nzt1RDEGIFcjSi8abB3p6z0PHpnxwQvcgByCkym1 mb2GE3ZPlA0c98b0fASPhWNO9P6xR9HQtmcogC/nbDtbMm9MR5hTFnPIympC0bSpP4 0kBf6l1h8PKq1aUdpwlI9yZR/EInG+Tt1hBa8yHU= From: Luca Weiss Date: Sun, 06 Apr 2025 15:03:17 +0200 Subject: [PATCH 3/3] arm64: dts: qcom: sdm632-fairphone-fp3: Add AW8898 amplifier Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250406-aw8898-v1-3-58a2d554693f@lucaweiss.eu> References: <20250406-aw8898-v1-0-58a2d554693f@lucaweiss.eu> In-Reply-To: <20250406-aw8898-v1-0-58a2d554693f@lucaweiss.eu> To: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Bjorn Andersson , Konrad Dybcio , Weidong Wang Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=BD04DA24C971B8D587B2B8D7FAF69CF6CD2D02CD Add a node for the amplifier found on Fairphone 3, receiving sound via I2S from the SoC and being connected to the speaker. Signed-off-by: Luca Weiss Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sdm632-fairphone-fp3.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm632-fairphone-fp3.dts b/arch/arm64/boot/dts/qcom/sdm632-fairphone-fp3.dts index 31ed26c31e6ea381a8942ccf569513df3300cdeb..ef6f8c2bb4a5eb8e93aba0a4cbfce5f8ae2ba21a 100644 --- a/arch/arm64/boot/dts/qcom/sdm632-fairphone-fp3.dts +++ b/arch/arm64/boot/dts/qcom/sdm632-fairphone-fp3.dts @@ -81,6 +81,26 @@ nfc@28 { }; }; +&i2c_6 { + status = "okay"; + + aw8898: audio-amplifier@34 { + compatible = "awinic,aw8898"; + reg = <0x34>; + + reset-gpios = <&tlmm 21 GPIO_ACTIVE_LOW>; + interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>; + + dvdd-supply = <&pm8953_l5>; + vddio-supply = <&pm8953_l5>; + vdd-supply = <&vph_pwr>; + + #sound-dai-cells = <0>; + }; + + /* Fairphone 3+ only: Speaker amp TAS2557 @ 4c */ +}; + &lpass { firmware-name = "qcom/msm8953/fairphone/fp3/adsp.mbn";