From patchwork Fri Jun 7 20:27:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Handrigan X-Patchwork-Id: 13690637 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A0EC14EC61; Fri, 7 Jun 2024 20:27:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.149.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717792061; cv=none; b=vGBNFwlkicOLYcjhx85omIORBZVGwx11rfmCw9I94B1RUXI/ldiW9MWJ00z0b7KB3gaid1CCDQdKv6E2aCf65K4NnVIHtIKEq2pdQS4N9myOD7y123nvCQ9GaQC/7zRQge1QlGOdXxJ46I7wfqwbgcCUBROzVxS5K80lzlo2AKU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717792061; c=relaxed/simple; bh=PmsRuNPEvMfr43lgL3R01e8ekElptcR++s06eETBSXg=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Wd2yFVVmmUniOP2gnVLpNgzBPSnpbe483QBARkfGkvtTBmUeyMXZeHTFG38Rm1SmvyBHeezJxMRDHyG67VztzFiMM+6o+ncDaXw97FOdLG5OzIxJMk//hEr3bhh4SLMc3fpTPnctxU9b+wippUyseOWel5q0rgi/VLqgyByMPNo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=opensource.cirrus.com; spf=pass smtp.mailfrom=opensource.cirrus.com; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b=QGd192rA; arc=none smtp.client-ip=67.231.149.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=opensource.cirrus.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=opensource.cirrus.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="QGd192rA" Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 457HDWIs011574; Fri, 7 Jun 2024 15:27:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= PODMain02222019; bh=PC9fQ4/3NDt3BNpOJwQs8xrM132Y+Z9ZghnEv4wMGdI=; b= QGd192rAf3tVo8//StvV6lxRGMAnzj9Jg1uZwBJlS851nMaLIRav2I6jN4wDMjVD xfs67OzMJVNosl3G+FU1ALoLMkmG5SCqv2V0ZNPXuKMIpaxnYpQn0dTE8T/YgcYA 1xzTjQWXHweOlCAZNilkVcxFml9qgqtzJOdBD6y3cldsMeC2yBvFm+Yao0R3kcJC AuTqSP4McCdFN0dxy7FciRZmbRnvBEnDelKWkeQFVZG3QbQ08OGJDGf9dA9ruYyz +GWEb4ThjSWUvwkRVIargJs2uX6mHCZWG+1X7+pgpRmvpr6SajpOZq5I/5Sh1+Eo Wtc+69MMfuUWcbifu6OAEg== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 3yg11xxvcu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 07 Jun 2024 15:27:26 -0500 (CDT) Received: from ediex02.ad.cirrus.com (198.61.84.81) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 7 Jun 2024 21:27:24 +0100 Received: from ediswmail9.ad.cirrus.com (198.61.86.93) by anon-ediex02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server id 15.2.1544.9 via Frontend Transport; Fri, 7 Jun 2024 21:27:24 +0100 Received: from paulha.crystal.cirrus.com (paulha.ad.cirrus.com [141.131.145.123]) by ediswmail9.ad.cirrus.com (Postfix) with ESMTP id 4857882F2A1; Fri, 7 Jun 2024 20:27:23 +0000 (UTC) From: Paul Handrigan To: , , , , , , , CC: Paul Handrigan Subject: [PATCH 2/2] ASoC: cs530x: Support for cs530x ADCs Date: Fri, 7 Jun 2024 15:27:08 -0500 Message-ID: <20240607202708.335752-3-paulha@opensource.cirrus.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240607202708.335752-1-paulha@opensource.cirrus.com> References: <20240607202708.335752-1-paulha@opensource.cirrus.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: TBcrXKFvM6IOeIyFGZLKE1W0NSxlHtLo X-Proofpoint-ORIG-GUID: TBcrXKFvM6IOeIyFGZLKE1W0NSxlHtLo X-Proofpoint-Spam-Reason: safe Add support for the cs530x family of high performance ADCs. Signed-off-by: Paul Handrigan --- sound/soc/codecs/Kconfig | 14 + sound/soc/codecs/Makefile | 4 + sound/soc/codecs/cs530x-i2c.c | 89 +++ sound/soc/codecs/cs530x.c | 991 ++++++++++++++++++++++++++++++++++ sound/soc/codecs/cs530x.h | 223 ++++++++ 5 files changed, 1321 insertions(+) create mode 100644 sound/soc/codecs/cs530x-i2c.c create mode 100644 sound/soc/codecs/cs530x.c create mode 100644 sound/soc/codecs/cs530x.h diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 3621781d63c4..8745ba193595 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -99,6 +99,7 @@ config SND_SOC_ALL_CODECS imply SND_SOC_CS47L90 imply SND_SOC_CS47L92 imply SND_SOC_CS53L30 + imply SND_SOC_CS530X_I2C imply SND_SOC_CX20442 imply SND_SOC_CX2072X imply SND_SOC_DA7210 @@ -998,6 +999,19 @@ config SND_SOC_CS53L30 tristate "Cirrus Logic CS53L30 CODEC" depends on I2C +config SND_SOC_CS530X + tristate + +config SND_SOC_CS530X_I2C + tristate "Cirrus Logic CS530x ADCs (I2C)" + depends on I2C + select REGMAP + select REGMAP_I2C + select SND_SOC_CS530X + help + Enable support for Cirrus Logic CS530X ADCs + with I2C control. + config SND_SOC_CX20442 tristate depends on TTY diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index d343d23c8f0f..3e08862d10e9 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -107,6 +107,8 @@ snd-soc-cs47l85-y := cs47l85.o snd-soc-cs47l90-y := cs47l90.o snd-soc-cs47l92-y := cs47l92.o snd-soc-cs53l30-y := cs53l30.o +snd-soc-cs530x-y := cs530x.o +snd-soc-cs530x-i2c-y := cs530x-i2c.o snd-soc-cx20442-y := cx20442.o snd-soc-cx2072x-y := cx2072x.o snd-soc-da7210-y := da7210.o @@ -506,6 +508,8 @@ obj-$(CONFIG_SND_SOC_CS47L85) += snd-soc-cs47l85.o obj-$(CONFIG_SND_SOC_CS47L90) += snd-soc-cs47l90.o obj-$(CONFIG_SND_SOC_CS47L92) += snd-soc-cs47l92.o obj-$(CONFIG_SND_SOC_CS53L30) += snd-soc-cs53l30.o +obj-$(CONFIG_SND_SOC_CS530X) += snd-soc-cs530x.o +obj-$(CONFIG_SND_SOC_CS530X_I2C) += snd-soc-cs530x-i2c.o obj-$(CONFIG_SND_SOC_CX20442) += snd-soc-cx20442.o obj-$(CONFIG_SND_SOC_CX2072X) += snd-soc-cx2072x.o obj-$(CONFIG_SND_SOC_DA7210) += snd-soc-da7210.o diff --git a/sound/soc/codecs/cs530x-i2c.c b/sound/soc/codecs/cs530x-i2c.c new file mode 100644 index 000000000000..b2f808ee6f37 --- /dev/null +++ b/sound/soc/codecs/cs530x-i2c.c @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// CS530x CODEC driver +// +// Copyright (C) 2024 Cirrus Logic, Inc. and +// Cirrus Logic International Semiconductor Ltd. + +#include +#include +#include +#include + +#include "cs530x.h" + +static const struct of_device_id cs530x_of_match[] = { + { + .compatible = "cirrus,cs5302", + .data = (void *)CS5302, + }, { + .compatible = "cirrus,cs5304", + .data = (void *)CS5304, + }, { + .compatible = "cirrus,cs5308", + .data = (void *)CS5308, + }, + {} +}; +MODULE_DEVICE_TABLE(of, cs530x_of_match); + +static const struct i2c_device_id cs530x_i2c_id[] = { + { "cs5302", CS5302 }, + { "cs5304", CS5304 }, + { "cs5308", CS5308 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, cs530x_i2c_id); + +static int cs530x_i2c_probe(struct i2c_client *client) +{ + struct cs530x_priv *cs530x; + int ret; + + cs530x = devm_kzalloc(&client->dev, sizeof(struct cs530x_priv), + GFP_KERNEL); + if (!cs530x) + return -ENOMEM; + + i2c_set_clientdata(client, cs530x); + + cs530x->regmap = devm_regmap_init_i2c(client, &cs530x_regmap); + if (IS_ERR(cs530x->regmap)) { + ret = PTR_ERR(cs530x->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + if (client->dev.of_node) { + const struct of_device_id *match; + + match = of_match_node(cs530x_of_match, client->dev.of_node); + if (match == NULL) + return -EINVAL; + cs530x->devtype = (enum cs530x_type)match->data; + } else { + const struct i2c_device_id *id = + i2c_match_id(cs530x_i2c_id, client); + + cs530x->devtype = id->driver_data; + } + + cs530x->dev = &client->dev; + + return cs530x_probe(cs530x); +} + +static struct i2c_driver cs530x_i2c_driver = { + .driver = { + .name = "cs530x", + .of_match_table = cs530x_of_match, + }, + .probe = cs530x_i2c_probe, + .id_table = cs530x_i2c_id, +}; +module_i2c_driver(cs530x_i2c_driver); + +MODULE_DESCRIPTION("I2C CS530X driver"); +MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, "); +MODULE_IMPORT_NS(SND_SOC_CS530X); diff --git a/sound/soc/codecs/cs530x.c b/sound/soc/codecs/cs530x.c new file mode 100644 index 000000000000..4dc181b8c25a --- /dev/null +++ b/sound/soc/codecs/cs530x.c @@ -0,0 +1,991 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// CS530x CODEC driver +// +// Copyright (C) 2024 Cirrus Logic, Inc. and +// Cirrus Logic International Semiconductor Ltd. + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "cs530x.h" + +#define CS530X_MAX_ADC_CH 8 +#define CS530X_MIN_ADC_CH 2 + +static const char *cs530x_supply_names[CS530X_NUM_SUPPLIES] = { + "vdd-a", + "vdd-io", +}; + +static const struct reg_default cs530x_reg_defaults[] = { + { CS530X_CLK_CFG_0, 0x30 }, + { CS530X_CLK_CFG_1, 0x0001 }, + { CS530X_CHIP_ENABLE, 0 }, + { CS530X_ASP_CFG, 0 }, + { CS530X_SIGNAL_PATH_CFG, 0 }, + { CS530X_IN_ENABLES, 0 }, + { CS530X_IN_RAMP_SUM, 0x0022 }, + { CS530X_IN_FILTER, 0 }, + { CS530X_IN_HIZ, 0 }, + { CS530X_IN_INV, 0 }, + { CS530X_IN_VOL_CTRL1_0, 0x8000 }, + { CS530X_IN_VOL_CTRL1_1, 0x8000 }, + { CS530X_IN_VOL_CTRL2_0, 0x8000 }, + { CS530X_IN_VOL_CTRL2_1, 0x8000 }, + { CS530X_IN_VOL_CTRL3_0, 0x8000 }, + { CS530X_IN_VOL_CTRL3_1, 0x8000 }, + { CS530X_IN_VOL_CTRL4_0, 0x8000 }, + { CS530X_IN_VOL_CTRL4_1, 0x8000 }, + { CS530X_PAD_FN, 0 }, + { CS530X_PAD_LVL, 0 }, +}; + +static bool cs530x_read_and_write_regs(unsigned int reg) +{ + switch (reg) { + case CS530X_CLK_CFG_0: + case CS530X_CLK_CFG_1: + case CS530X_CHIP_ENABLE: + case CS530X_ASP_CFG: + case CS530X_SIGNAL_PATH_CFG: + case CS530X_IN_ENABLES: + case CS530X_IN_RAMP_SUM: + case CS530X_IN_FILTER: + case CS530X_IN_HIZ: + case CS530X_IN_INV: + case CS530X_IN_VOL_CTRL1_0: + case CS530X_IN_VOL_CTRL1_1: + case CS530X_IN_VOL_CTRL2_0: + case CS530X_IN_VOL_CTRL2_1: + case CS530X_IN_VOL_CTRL3_0: + case CS530X_IN_VOL_CTRL3_1: + case CS530X_IN_VOL_CTRL4_0: + case CS530X_IN_VOL_CTRL4_1: + case CS530X_PAD_FN: + case CS530X_PAD_LVL: + return true; + default: + return false; + } +} + +static bool cs530x_volatile_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS530X_DEVID: + case CS530X_REVID: + return true; + default: + return false; + } +} + +static bool cs530x_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS530X_DEVID: + case CS530X_REVID: + return true; + default: + return cs530x_read_and_write_regs(reg); + } +} + +static bool cs530x_writeable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case CS530X_SW_RESET: + case CS530X_IN_VOL_CTRL5: + return true; + default: + return cs530x_read_and_write_regs(reg); + } +} + +static int cs530x_put_volsw_vu(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + struct cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct regmap *regmap = cs530x->regmap; + int ret; + + snd_soc_dapm_mutex_lock(dapm); + + ret = snd_soc_put_volsw(kcontrol, ucontrol); + if (ret) + goto volsw_err; + + /* Write IN_VU bit for the volume change to take effect */ + regmap_write(regmap, CS530X_IN_VOL_CTRL5, CS530X_IN_VU); + +volsw_err: + snd_soc_dapm_mutex_unlock(dapm); + + return ret; +} + +static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1270, 50, 0); + +static const char * const cs530x_in_hpf_text[] = { + "Min Phase Slow Roll-off", + "Min Phase Fast Roll-off", + "Linear Phase Slow Roll-off", + "Linear Phase Fast Roll-off", +}; + +static SOC_ENUM_SINGLE_DECL(cs530x_in_hpf_enum, CS530X_IN_FILTER, + CS530X_IN_FILTER_SHIFT, + cs530x_in_hpf_text); + +static const char * const cs530x_in_4ch_sum_text[] = { + "None", + "Groups of 2", + "Groups of 4", +}; + +static SOC_ENUM_SINGLE_DECL(cs530x_in_sum_ch4_enum, CS530X_IN_RAMP_SUM, + CS530X_IN_SUM_MODE_SHIFT, + cs530x_in_4ch_sum_text); + +static const struct snd_kcontrol_new cs530x_in_sum_4ch_controls[] = { +SOC_ENUM("IN Sum Select", cs530x_in_sum_ch4_enum), +}; + +static const char * const cs530x_in_8ch_sum_text[] = { + "None", + "Groups of 2", + "Groups of 4", + "Groups of 8", +}; + +static SOC_ENUM_SINGLE_DECL(cs530x_in_sum_ch8_enum, CS530X_IN_RAMP_SUM, + CS530X_IN_SUM_MODE_SHIFT, + cs530x_in_8ch_sum_text); + +static const struct snd_kcontrol_new cs530x_in_sum_8ch_controls[] = { +SOC_ENUM("IN Sum Select", cs530x_in_sum_ch8_enum), +}; + + +static const char * const cs530x_vol_ramp_text[] = { + "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB", + "15ms/6dB", "30ms/6dB", +}; + +static SOC_ENUM_SINGLE_DECL(cs530x_ramp_inc_enum, CS530X_IN_RAMP_SUM, + CS530X_RAMP_RATE_INC_SHIFT, + cs530x_vol_ramp_text); + +static SOC_ENUM_SINGLE_DECL(cs530x_ramp_dec_enum, CS530X_IN_RAMP_SUM, + CS530X_RAMP_RATE_DEC_SHIFT, + cs530x_vol_ramp_text); + +static const struct snd_kcontrol_new cs530x_in_1_to_2_controls[] = { +SOC_SINGLE_EXT_TLV("IN1 Volume", CS530X_IN_VOL_CTRL1_0, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), +SOC_SINGLE_EXT_TLV("IN2 Volume", CS530X_IN_VOL_CTRL1_1, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), + +SOC_ENUM("IN HPF Select", cs530x_in_hpf_enum), +SOC_ENUM("Input Ramp Up", cs530x_ramp_inc_enum), +SOC_ENUM("Input Ramp Down", cs530x_ramp_dec_enum), + +SOC_SINGLE("ADC1 Invert Switch", CS530X_IN_INV, CS530X_IN1_INV_SHIFT, 1, 0), +SOC_SINGLE("ADC2 Invert Switch", CS530X_IN_INV, CS530X_IN2_INV_SHIFT, 1, 0), +}; + +static const struct snd_kcontrol_new cs530x_in_3_to_4_controls[] = { +SOC_SINGLE_EXT_TLV("IN3 Volume", CS530X_IN_VOL_CTRL2_0, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), +SOC_SINGLE_EXT_TLV("IN4 Volume", CS530X_IN_VOL_CTRL2_1, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), + +SOC_SINGLE("ADC3 Invert Switch", CS530X_IN_INV, CS530X_IN3_INV_SHIFT, 1, 0), +SOC_SINGLE("ADC4 Invert Switch", CS530X_IN_INV, CS530X_IN4_INV_SHIFT, 1, 0), +}; + +static const struct snd_kcontrol_new cs530x_in_5_to_8_controls[] = { +SOC_SINGLE_EXT_TLV("IN5 Volume", CS530X_IN_VOL_CTRL3_0, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), +SOC_SINGLE_EXT_TLV("IN6 Volume", CS530X_IN_VOL_CTRL3_1, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), +SOC_SINGLE_EXT_TLV("IN7 Volume", CS530X_IN_VOL_CTRL4_0, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), +SOC_SINGLE_EXT_TLV("IN8 Volume", CS530X_IN_VOL_CTRL4_1, 0, 255, 1, + snd_soc_get_volsw, cs530x_put_volsw_vu, in_vol_tlv), + +SOC_SINGLE("ADC5 Invert Switch", CS530X_IN_INV, CS530X_IN5_INV_SHIFT, 1, 0), +SOC_SINGLE("ADC6 Invert Switch", CS530X_IN_INV, CS530X_IN6_INV_SHIFT, 1, 0), +SOC_SINGLE("ADC7 Invert Switch", CS530X_IN_INV, CS530X_IN7_INV_SHIFT, 1, 0), +SOC_SINGLE("ADC8 Invert Switch", CS530X_IN_INV, CS530X_IN8_INV_SHIFT, 1, 0), +}; + +static int cs530x_adc_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + struct cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct regmap *regmap = cs530x->regmap; + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + cs530x->adc_pairs_count++; + break; + case SND_SOC_DAPM_POST_PMU: + regmap_clear_bits(regmap, CS530X_IN_VOL_CTRL1_0 + + (w->shift * 2), CS530X_IN_MUTE); + regmap_clear_bits(regmap, CS530X_IN_VOL_CTRL1_0 + + ((w->shift+1) * 2), CS530X_IN_MUTE); + + cs530x->adc_pairs_count--; + if (!cs530x->adc_pairs_count) { + usleep_range(1000, 1100); + return regmap_write(regmap, CS530X_IN_VOL_CTRL5, + CS530X_IN_VU); + } + break; + case SND_SOC_DAPM_PRE_PMD: + regmap_set_bits(regmap, CS530X_IN_VOL_CTRL1_0 + + (w->shift * 2), CS530X_IN_MUTE); + regmap_set_bits(regmap, CS530X_IN_VOL_CTRL1_0 + + ((w->shift+1) * 2), CS530X_IN_MUTE); + return regmap_write(regmap, CS530X_IN_VOL_CTRL5, + CS530X_IN_VU); + default: + return -EINVAL; + } + + return 0; +} + +static const struct snd_kcontrol_new adc12_ctrl = + SOC_DAPM_SINGLE_VIRT("Switch", 1); + +static const struct snd_kcontrol_new adc34_ctrl = + SOC_DAPM_SINGLE_VIRT("Switch", 1); + +static const struct snd_kcontrol_new adc56_ctrl = + SOC_DAPM_SINGLE_VIRT("Switch", 1); + +static const struct snd_kcontrol_new adc78_ctrl = + SOC_DAPM_SINGLE_VIRT("Switch", 1); + +static const struct snd_kcontrol_new in_hpf_ctrl = + SOC_DAPM_SINGLE_VIRT("Switch", 1); + +/* General DAPM widgets for all devices */ +static const struct snd_soc_dapm_widget cs530x_gen_dapm_widgets[] = { +SND_SOC_DAPM_SUPPLY("Global Enable", CS530X_CHIP_ENABLE, 0, 0, NULL, 0), +}; + +/* ADC's Channels 1 and 2 plus generic ADC DAPM events */ +static const struct snd_soc_dapm_widget cs530x_adc_ch12_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("IN1"), +SND_SOC_DAPM_INPUT("IN2"), +SND_SOC_DAPM_ADC_E("ADC1", NULL, CS530X_IN_ENABLES, 0, 0, + cs530x_adc_event, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMU), +SND_SOC_DAPM_ADC("ADC2", NULL, CS530X_IN_ENABLES, 1, 0), +SND_SOC_DAPM_SWITCH("ADC12 Enable", SND_SOC_NOPM, 0, 0, &adc12_ctrl), +SND_SOC_DAPM_SWITCH("IN HPF", CS530X_IN_FILTER, CS530X_IN_HPF_EN_SHIFT, + 0, &in_hpf_ctrl), +}; + +/* ADC's Channels 3 and 4 */ +static const struct snd_soc_dapm_widget cs530x_adc_ch34_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("IN3"), +SND_SOC_DAPM_INPUT("IN4"), +SND_SOC_DAPM_ADC_E("ADC3", NULL, CS530X_IN_ENABLES, 2, 0, + cs530x_adc_event, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMU), +SND_SOC_DAPM_ADC("ADC4", NULL, CS530X_IN_ENABLES, 3, 0), +SND_SOC_DAPM_SWITCH("ADC34 Enable", SND_SOC_NOPM, 0, 0, &adc34_ctrl), +}; + +/* ADC's Channels 5 to 8 */ +static const struct snd_soc_dapm_widget cs530x_adc_ch58_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("IN5"), +SND_SOC_DAPM_INPUT("IN6"), +SND_SOC_DAPM_INPUT("IN7"), +SND_SOC_DAPM_INPUT("IN8"), +SND_SOC_DAPM_ADC_E("ADC5", NULL, CS530X_IN_ENABLES, 4, 0, + cs530x_adc_event, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMU), +SND_SOC_DAPM_ADC("ADC6", NULL, CS530X_IN_ENABLES, 5, 0), +SND_SOC_DAPM_SWITCH("ADC56 Enable", SND_SOC_NOPM, 0, 0, &adc56_ctrl), +SND_SOC_DAPM_ADC_E("ADC7", NULL, CS530X_IN_ENABLES, 6, 0, + cs530x_adc_event, + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMU), +SND_SOC_DAPM_ADC("ADC8", NULL, CS530X_IN_ENABLES, 7, 0), +SND_SOC_DAPM_SWITCH("ADC78 Enable", SND_SOC_NOPM, 0, 0, &adc78_ctrl), +}; + +static const struct snd_soc_dapm_route adc_ch1_2_routes[] = { + { "ADC1", NULL, "Global Enable" }, + { "ADC2", NULL, "Global Enable" }, + + { "ADC12 Enable", "Switch", "IN1" }, + { "ADC12 Enable", "Switch", "IN2" }, + { "ADC1", NULL, "ADC12 Enable" }, + { "ADC2", NULL, "ADC12 Enable" }, + { "IN HPF", "Switch", "ADC1" }, + { "IN HPF", "Switch", "ADC2" }, + + { "AIF Capture", NULL, "IN HPF" }, + { "AIF Capture", NULL, "ADC1" }, + { "AIF Capture", NULL, "ADC2" }, +}; + +static const struct snd_soc_dapm_route adc_ch3_4_routes[] = { + { "ADC3", NULL, "Global Enable" }, + { "ADC4", NULL, "Global Enable" }, + + { "ADC34 Enable", "Switch", "IN3" }, + { "ADC34 Enable", "Switch", "IN4" }, + { "ADC3", NULL, "ADC34 Enable" }, + { "ADC4", NULL, "ADC34 Enable" }, + { "IN HPF", "Switch", "ADC3" }, + { "IN HPF", "Switch", "ADC4" }, + + { "AIF Capture", NULL, "ADC3" }, + { "AIF Capture", NULL, "ADC4" }, +}; + +static const struct snd_soc_dapm_route adc_ch5_8_routes[] = { + { "ADC5", NULL, "Global Enable" }, + { "ADC6", NULL, "Global Enable" }, + { "ADC7", NULL, "Global Enable" }, + { "ADC8", NULL, "Global Enable" }, + + { "ADC56 Enable", "Switch", "IN5" }, + { "ADC56 Enable", "Switch", "IN6" }, + { "ADC5", NULL, "ADC56 Enable" }, + { "ADC6", NULL, "ADC56 Enable" }, + { "IN HPF", "Switch", "ADC5" }, + { "IN HPF", "Switch", "ADC6" }, + + { "AIF Capture", NULL, "ADC5" }, + { "AIF Capture", NULL, "ADC6" }, + + { "ADC78 Enable", "Switch", "IN7" }, + { "ADC78 Enable", "Switch", "IN8" }, + { "ADC7", NULL, "ADC78 Enable" }, + { "ADC8", NULL, "ADC78 Enable" }, + { "IN HPF", "Switch", "ADC7" }, + { "IN HPF", "Switch", "ADC8" }, + + { "AIF Capture", NULL, "ADC7" }, + { "AIF Capture", NULL, "ADC8" }, +}; + +static void cs530x_add_12_adc_widgets(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + snd_soc_add_component_controls(component, + cs530x_in_1_to_2_controls, + ARRAY_SIZE(cs530x_in_1_to_2_controls)); + + snd_soc_dapm_new_controls(dapm, cs530x_adc_ch12_dapm_widgets, + ARRAY_SIZE(cs530x_adc_ch12_dapm_widgets)); + + snd_soc_dapm_add_routes(dapm, adc_ch1_2_routes, + ARRAY_SIZE(adc_ch1_2_routes)); +} + +static void cs530x_add_34_adc_widgets(struct snd_soc_component *component) +{ + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + snd_soc_add_component_controls(component, + cs530x_in_3_to_4_controls, + ARRAY_SIZE(cs530x_in_3_to_4_controls)); + + snd_soc_dapm_new_controls(dapm, cs530x_adc_ch34_dapm_widgets, + ARRAY_SIZE(cs530x_adc_ch34_dapm_widgets)); + + snd_soc_dapm_add_routes(dapm, adc_ch3_4_routes, + ARRAY_SIZE(adc_ch3_4_routes)); +} + +static int cs530x_set_bclk(struct snd_soc_component *component) +{ + struct cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct regmap *regmap = cs530x->regmap; + unsigned int bclk_val; + + switch (cs530x->bclk) { + case 2822400: + case 3072000: + bclk_val = CS530X_BCLK_2P822_3P072; + break; + case 5644800: + case 6144000: + bclk_val = CS530X_BCLK_5P6448_6P144; + break; + case 11289600: + case 12288000: + bclk_val = CS530X_BCLK_11P2896_12P288; + break; + case 22579200: + case 24576000: + bclk_val = CS530X_BCLK_24P5792_24P576; + break; + default: + dev_err(component->dev, "Invalid BCLK %d\n", cs530x->bclk); + return -EINVAL; + } + + dev_dbg(component->dev, "BCLK is %d\n", cs530x->bclk); + + return regmap_update_bits(regmap, CS530X_ASP_CFG, + CS530X_ASP_BCLK_FREQ_MASK, bclk_val); +} + +static int cs530x_set_pll_refclk(struct snd_soc_component *component, + const unsigned int freq) +{ + struct cs530x_priv *priv = snd_soc_component_get_drvdata(component); + struct regmap *regmap = priv->regmap; + unsigned int refclk; + + switch (freq) { + case 2822400: + case 3072000: + refclk = CS530X_REFCLK_2P822_3P072; + break; + case 5644800: + case 6144000: + refclk = CS530X_REFCLK_5P6448_6P144; + break; + case 11289600: + case 12288000: + refclk = CS530X_REFCLK_11P2896_12P288; + break; + case 22579200: + case 24576000: + refclk = CS530X_REFCLK_24P5792_24P576; + break; + default: + dev_err(component->dev, "Invalid PLL refclk %d\n", freq); + return -EINVAL; + } + + return regmap_update_bits(regmap, CS530X_CLK_CFG_0, + CS530X_PLL_REFCLK_FREQ_MASK, refclk); +} + +static int cs530x_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 cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct regmap *regmap = cs530x->regmap; + int ret = 0, fs = params_rate(params); + unsigned int fs_val; + + + switch (fs) { + case 32000: + fs_val = CS530X_FS_32K; + break; + case 44100: + case 48000: + fs_val = CS530X_FS_48K_44P1K; + break; + case 88200: + case 96000: + fs_val = CS530X_FS_96K_88P2K; + break; + case 176400: + case 192000: + fs_val = CS530X_FS_192K_176P4K; + break; + case 356800: + case 384000: + fs_val = CS530X_FS_384K_356P8K; + break; + case 705600: + case 768000: + fs_val = CS530X_FS_768K_705P6K; + break; + default: + dev_err(component->dev, "Invalid sample rate %d\n", fs); + return -EINVAL; + } + + cs530x->fs = fs; + regmap_update_bits(regmap, CS530X_CLK_CFG_1, + CS530X_SAMPLE_RATE_MASK, fs_val); + + if (cs530x->tdm_slots) { + dev_dbg(component->dev, "Configuring for %d %d bit TDM slots\n", + cs530x->tdm_slots, cs530x->tdm_width); + cs530x->bclk = snd_soc_calc_bclk(cs530x->fs, + cs530x->tdm_width, + params_channels(params), + cs530x->tdm_slots); + } else { + cs530x->bclk = snd_soc_params_to_bclk(params); + } + + if (!regmap_test_bits(regmap, CS530X_CLK_CFG_0, + CS530X_PLL_REFCLK_SRC_MASK)) { + ret = cs530x_set_pll_refclk(component, cs530x->bclk); + if (ret) + return ret; + } + + return cs530x_set_bclk(component); +} + +static int cs530x_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_component *component = dai->component; + struct cs530x_priv *priv = snd_soc_component_get_drvdata(component); + struct regmap *regmap = priv->regmap; + unsigned int asp_fmt, asp_cfg = 0; + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + break; + case SND_SOC_DAIFMT_CBM_CFM: + asp_cfg = CS530X_ASP_PRIMARY; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + asp_fmt = CS530X_ASP_FMT_DSP_A; + break; + case SND_SOC_DAIFMT_I2S: + asp_fmt = CS530X_ASP_FMT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + asp_fmt = CS530X_ASP_FMT_LJ; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + asp_cfg |= CS530X_ASP_BCLK_INV; + break; + default: + return -EINVAL; + } + + regmap_update_bits(regmap, CS530X_ASP_CFG, + CS530X_ASP_PRIMARY | CS530X_ASP_BCLK_INV, + asp_cfg); + + return regmap_update_bits(regmap, CS530X_SIGNAL_PATH_CFG, + CS530X_ASP_FMT_MASK, asp_fmt); +} + +static bool cs530x_check_mclk_freq(struct snd_soc_component *component, + const unsigned int freq) +{ + switch (freq) { + case 24576000: + case 22579200: + case 12288000: + case 11289600: + return true; + default: + dev_err(component->dev, "Invalid MCLK %d\n", freq); + return false; + } +} + +static int cs530x_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, + unsigned int rx_mask, int slots, int slot_width) +{ + struct snd_soc_component *component = dai->component; + struct cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct regmap *regmap = cs530x->regmap; + unsigned int val; + + switch (tx_mask) { + case CS530X_0_1_TDM_SLOT_MASK: + case CS530X_0_3_TDM_SLOT_MASK: + case CS530X_0_7_TDM_SLOT_MASK: + val = CS530X_0_7_TDM_SLOT_VAL; + break; + case CS530X_2_3_TDM_SLOT_MASK: + val = CS530X_2_3_TDM_SLOT_VAL; + break; + case CS530X_4_5_TDM_SLOT_MASK: + case CS530X_4_7_TDM_SLOT_MASK: + val = CS530X_4_7_TDM_SLOT_VAL; + break; + case CS530X_6_7_TDM_SLOT_MASK: + val = CS530X_6_7_TDM_SLOT_VAL; + break; + case CS530X_8_9_TDM_SLOT_MASK: + case CS530X_8_11_TDM_SLOT_MASK: + case CS530X_8_15_TDM_SLOT_MASK: + val = CS530X_8_15_TDM_SLOT_VAL; + break; + case CS530X_10_11_TDM_SLOT_MASK: + val = CS530X_10_11_TDM_SLOT_VAL; + break; + case CS530X_12_13_TDM_SLOT_MASK: + case CS530X_12_15_TDM_SLOT_MASK: + val = CS530X_12_15_TDM_SLOT_VAL; + break; + case CS530X_14_15_TDM_SLOT_MASK: + val = CS530X_14_15_TDM_SLOT_VAL; + break; + default: + dev_err(component->dev, "Invalid TX slot(s) 0x%x\n", tx_mask); + return -EINVAL; + } + + return regmap_update_bits(regmap, CS530X_SIGNAL_PATH_CFG, + CS530X_ASP_TDM_SLOT_MASK, + val << CS530X_ASP_TDM_SLOT_SHIFT); +} + +static const struct snd_soc_dai_ops cs530x_dai_ops = { + .set_fmt = cs530x_set_fmt, + .hw_params = cs530x_hw_params, + .set_tdm_slot = cs530x_set_tdm_slot, +}; + +static const struct snd_soc_dai_driver cs530x_dai = { + .name = "cs530x-dai", + .capture = { + .stream_name = "AIF Capture", + .channels_min = 2, + .channels_max = 8, + .rates = SNDRV_PCM_RATE_KNOT, + .formats = SNDRV_PCM_FMTBIT_S32_LE, + }, + .ops = &cs530x_dai_ops, + .symmetric_rate = 1, + .symmetric_sample_bits = 1, +}; + +static int cs530x_set_pll(struct snd_soc_component *component, int pll_id, + int source, unsigned int freq_in, + unsigned int freq_out) +{ + struct cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct regmap *regmap = cs530x->regmap; + unsigned int sysclk_src; + int ret; + + regmap_read(regmap, CS530X_CLK_CFG_0, &sysclk_src); + + /* Check if the source is the PLL */ + if ((sysclk_src & CS530X_SYSCLK_SRC_MASK) == 0) + return 0; + + switch (source) { + case CS530X_PLL_SRC_MCLK: + if (!cs530x_check_mclk_freq(component, freq_in)) + return -EINVAL; + + ret = cs530x_set_pll_refclk(component, freq_in); + if (ret) + return ret; + + break; + case CS530X_PLL_SRC_BCLK: + break; + default: + dev_err(component->dev, "Invalid PLL source %d\n", source); + return -EINVAL; + } + + return regmap_update_bits(regmap, CS530X_CLK_CFG_0, + CS530X_PLL_REFCLK_SRC_MASK, source); +} + +static int cs530x_component_probe(struct snd_soc_component *component) +{ + struct cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + int num_widgets; + + snd_soc_dapm_new_controls(dapm, cs530x_gen_dapm_widgets, + ARRAY_SIZE(cs530x_gen_dapm_widgets)); + + switch (cs530x->devtype) { + case CS5302: + cs530x_add_12_adc_widgets(component); + break; + case CS5304: + cs530x_add_12_adc_widgets(component); + cs530x_add_34_adc_widgets(component); + + num_widgets = ARRAY_SIZE(cs530x_in_sum_4ch_controls); + snd_soc_add_component_controls(component, + cs530x_in_sum_4ch_controls, + num_widgets); + break; + + case CS5308: + cs530x_add_12_adc_widgets(component); + cs530x_add_34_adc_widgets(component); + + num_widgets = ARRAY_SIZE(cs530x_in_5_to_8_controls); + snd_soc_add_component_controls(component, + cs530x_in_5_to_8_controls, + num_widgets); + + num_widgets = ARRAY_SIZE(cs530x_in_sum_8ch_controls); + snd_soc_add_component_controls(component, + cs530x_in_sum_8ch_controls, + num_widgets); + + num_widgets = ARRAY_SIZE(cs530x_adc_ch58_dapm_widgets); + snd_soc_dapm_new_controls(dapm, cs530x_adc_ch58_dapm_widgets, + num_widgets); + + snd_soc_dapm_add_routes(dapm, adc_ch5_8_routes, + ARRAY_SIZE(adc_ch5_8_routes)); + break; + default: + dev_err(component->dev, "Invalid device type %d\n", + cs530x->devtype); + return -EINVAL; + } + + return 0; +} + +static int cs530x_set_sysclk(struct snd_soc_component *component, int clk_id, + int source, unsigned int freq, int dir) +{ + struct cs530x_priv *cs530x = snd_soc_component_get_drvdata(component); + struct regmap *regmap = cs530x->regmap; + + switch (source) { + case CS530X_SYSCLK_SRC_MCLK: + if (freq != 24560000 && freq != 22572000) { + dev_err(component->dev, "Invalid MCLK source rate %d\n", + freq); + return -EINVAL; + } + + cs530x->mclk_rate = freq; + break; + case CS530X_SYSCLK_SRC_PLL: + break; + default: + dev_err(component->dev, "Invalid clock id %d\n", clk_id); + return -EINVAL; + } + + return regmap_update_bits(regmap, CS530X_CLK_CFG_0, + CS530X_SYSCLK_SRC_MASK, + source << CS530X_SYSCLK_SRC_SHIFT); +} + +static const struct snd_soc_component_driver soc_component_dev_cs530x = { + .probe = cs530x_component_probe, + .set_sysclk = cs530x_set_sysclk, + .set_pll = cs530x_set_pll, + .endianness = 1, +}; + +const struct regmap_config cs530x_regmap = { + .reg_bits = 16, + .val_bits = 16, + + .max_register = CS530X_MAX_REGISTER, + .volatile_reg = cs530x_volatile_register, + .readable_reg = cs530x_readable_register, + .writeable_reg = cs530x_writeable_register, + + .cache_type = REGCACHE_MAPLE, + .reg_defaults = cs530x_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(cs530x_reg_defaults), +}; +EXPORT_SYMBOL_NS_GPL(cs530x_regmap, SND_SOC_CS530X); + +static int cs530x_check_device_id(struct cs530x_priv *cs530x) +{ + struct device *dev = cs530x->dev; + unsigned int dev_id, rev; + int ret; + + ret = regmap_read(cs530x->regmap, CS530X_DEVID, &dev_id); + if (ret) + return ret; + + dev_dbg(dev, "Device ID 0x%x\n", dev_id); + + ret = regmap_read(cs530x->regmap, CS530X_REVID, &rev); + if (ret) + return ret; + + switch (dev_id) { + case CS530X_2CH_ADC_DEV_ID: + cs530x->num_adcs = 2; + break; + case CS530X_4CH_ADC_DEV_ID: + cs530x->num_adcs = 4; + break; + case CS530X_8CH_ADC_DEV_ID: + cs530x->num_adcs = 8; + break; + default: + dev_err(dev, "Invalid device ID 0x%x\n", dev_id); + return -EINVAL; + } + + dev_info(dev, "CS5308 %d Channel Audio ADC Rev 0x%x\n", + cs530x->num_adcs, rev & 0xff); + + return 0; +} + +static int cs530x_parse_device_properties(struct cs530x_priv *cs530x) +{ + struct regmap *regmap = cs530x->regmap; + struct device *dev = cs530x->dev; + unsigned int val = 0; + + switch (cs530x->num_adcs) { + case 8: + if (device_property_read_bool(dev, "cirrus,in_hiz_pin78")) + val = CS530X_IN78_HIZ; + + if (device_property_read_bool(dev, "cirrus,in_hiz_pin56")) + val |= CS530X_IN56_HIZ; + + fallthrough; + case 4: + if (device_property_read_bool(dev, "cirrus,in_hiz_pin34")) + val |= CS530X_IN34_HIZ; + + fallthrough; + case 2: + if (device_property_read_bool(dev, "cirrus,in_hiz_pin12")) + val |= CS530X_IN12_HIZ; + + regmap_set_bits(regmap, CS530X_IN_HIZ, val); + fallthrough; + case 0: + break; + default: + dev_err(dev, "Invalid number of adcs %d\n", cs530x->num_adcs); + return -EINVAL; + } + + return 0; +} + +int cs530x_probe(struct cs530x_priv *cs530x) +{ + struct device *dev = cs530x->dev; + int ret, i; + + for (i = 0; i < ARRAY_SIZE(cs530x->supplies); i++) + cs530x->supplies[i].supply = cs530x_supply_names[i]; + + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs530x->supplies), + cs530x->supplies); + if (ret != 0) { + dev_err(dev, "Failed to request supplies: %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(ARRAY_SIZE(cs530x->supplies), + cs530x->supplies); + if (ret != 0) { + dev_err(dev, "Failed to enable supplies: %d\n", ret); + return ret; + } + + cs530x->reset_gpio = devm_gpiod_get_optional(dev, "reset-gpios", + GPIOD_OUT_LOW); + if (IS_ERR(cs530x->reset_gpio)) { + dev_err(dev, "Reset gpio not available\n"); + ret = PTR_ERR(cs530x->reset_gpio); + goto err_regulator; + } + + if (cs530x->reset_gpio) { + usleep_range(2000, 2100); + gpiod_set_value_cansleep(cs530x->reset_gpio, 1); + } + + usleep_range(5000, 5100); + ret = cs530x_check_device_id(cs530x); + if (ret) + goto err_reset; + + if (!cs530x->reset_gpio) { + ret = regmap_write(cs530x->regmap, CS530X_SW_RESET, + CS530X_SW_RST_VAL); + if (ret) { + dev_err(dev, "Soft Reset write failed %d\n", ret); + goto err_reset; + } + } + + ret = cs530x_parse_device_properties(cs530x); + if (ret) + goto err_reset; + + cs530x->dev_dai = devm_kmemdup(dev, &cs530x_dai, + sizeof(struct snd_soc_dai_driver), + GFP_KERNEL); + if (!cs530x->dev_dai) { + ret = -ENOMEM; + goto err_reset; + } + + cs530x->dev_dai->capture.channels_max = cs530x->num_adcs; + + ret = devm_snd_soc_register_component(dev, + &soc_component_dev_cs530x, cs530x->dev_dai, 1); + if (ret) { + dev_err(dev, "Can't register cs530x component %d\n", ret); + goto err_reset; + } + + return 0; + +err_reset: + gpiod_set_value_cansleep(cs530x->reset_gpio, 0); + +err_regulator: + regulator_bulk_disable(ARRAY_SIZE(cs530x->supplies), + cs530x->supplies); + + return ret; +} +EXPORT_SYMBOL_NS_GPL(cs530x_probe, SND_SOC_CS530X); + +MODULE_DESCRIPTION("CS530X CODEC Driver"); +MODULE_AUTHOR("Paul Handrigan "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/cs530x.h b/sound/soc/codecs/cs530x.h new file mode 100644 index 000000000000..1c85310a5d03 --- /dev/null +++ b/sound/soc/codecs/cs530x.h @@ -0,0 +1,223 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * CS530x CODEC driver internal data + * + * Copyright (C) 2023-2024 Cirrus Logic, Inc. and + * Cirrus Logic International Semiconductor Ltd. + */ + +#ifndef _CS530X_H +#define _CS530X_H + +#include +#include +#include +#include + +/* Devices */ +#define CS530X_2CH_ADC_DEV_ID 0x5302 +#define CS530X_4CH_ADC_DEV_ID 0x5304 +#define CS530X_8CH_ADC_DEV_ID 0x5308 + +/* Registers */ + +#define CS530X_DEVID 0x0000000 +#define CS530X_REVID 0x0000004 +#define CS530X_SW_RESET 0x0000022 + +#define CS530X_CLK_CFG_0 0x0000040 +#define CS530X_CLK_CFG_1 0x0000042 +#define CS530X_CHIP_ENABLE 0x0000044 +#define CS530X_ASP_CFG 0x0000048 +#define CS530X_SIGNAL_PATH_CFG 0x0000050 +#define CS530X_IN_ENABLES 0x0000080 +#define CS530X_IN_RAMP_SUM 0x0000082 +#define CS530X_IN_FILTER 0x0000086 +#define CS530X_IN_HIZ 0x0000088 +#define CS530X_IN_INV 0x000008A +#define CS530X_IN_VOL_CTRL1_0 0x0000090 +#define CS530X_IN_VOL_CTRL1_1 0x0000092 +#define CS530X_IN_VOL_CTRL2_0 0x0000094 +#define CS530X_IN_VOL_CTRL2_1 0x0000096 +#define CS530X_IN_VOL_CTRL3_0 0x0000098 +#define CS530X_IN_VOL_CTRL3_1 0x000009A +#define CS530X_IN_VOL_CTRL4_0 0x000009C +#define CS530X_IN_VOL_CTRL4_1 0x000009E +#define CS530X_IN_VOL_CTRL5 0x00000A0 + +#define CS530X_PAD_FN 0x0003D24 +#define CS530X_PAD_LVL 0x0003D28 + +#define CS530X_MAX_REGISTER CS530X_PAD_LVL + +/* Register Fields */ + +/* REVID */ +#define CS530X_MTLREVID GENMASK(3, 0) +#define CS530X_AREVID GENMASK(7, 4) + +/* SW_RESET */ +#define CS530X_SW_RST_SHIFT 8 +#define CS530X_SW_RST_VAL (0x5A << CS530X_SW_RST_SHIFT) + +/* CLK_CFG_0 */ +#define CS530X_PLL_REFCLK_SRC_MASK BIT(0) +#define CS530X_PLL_REFCLK_FREQ_MASK GENMASK(5, 4) +#define CS530X_SYSCLK_SRC_MASK BIT(12) +#define CS530X_SYSCLK_SRC_SHIFT 12 +#define CS530X_REFCLK_2P822_3P072 0 +#define CS530X_REFCLK_5P6448_6P144 0x10 +#define CS530X_REFCLK_11P2896_12P288 0x20 +#define CS530X_REFCLK_24P5792_24P576 0x30 + +/* CLK_CFG_1 */ +#define CS530X_SAMPLE_RATE_MASK GENMASK(2, 0) +#define CS530X_FS_32K 0 +#define CS530X_FS_48K_44P1K 1 +#define CS530X_FS_96K_88P2K 2 +#define CS530X_FS_192K_176P4K 3 +#define CS530X_FS_384K_356P8K 4 +#define CS530X_FS_768K_705P6K 5 + +/* CHIP_ENABLE */ +#define CS530X_GLOBAL_EN BIT(0) + +/* ASP_CFG */ +#define CS530X_ASP_BCLK_FREQ_MASK GENMASK(1, 0) +#define CS530X_ASP_PRIMARY BIT(5) +#define CS530X_ASP_BCLK_INV BIT(6) +#define CS530X_BCLK_2P822_3P072 0 +#define CS530X_BCLK_5P6448_6P144 1 +#define CS530X_BCLK_11P2896_12P288 2 +#define CS530X_BCLK_24P5792_24P576 3 + +/* SIGNAL_PATH_CFG */ +#define CS530X_ASP_FMT_MASK GENMASK(2, 0) +#define CS530X_ASP_TDM_SLOT_MASK GENMASK(5, 3) +#define CS530X_ASP_TDM_SLOT_SHIFT 3 +#define CS530X_ASP_CH_REVERSE BIT(9) +#define CS530X_ASP_FMT_I2S 0 +#define CS530X_ASP_FMT_LJ 1 +#define CS530X_ASP_FMT_DSP_A 0x6 + +/* TDM Slots */ +#define CS530X_0_1_TDM_SLOT_MASK GENMASK(1, 0) +#define CS530X_0_3_TDM_SLOT_MASK GENMASK(3, 0) +#define CS530X_0_7_TDM_SLOT_MASK GENMASK(7, 0) +#define CS530X_0_7_TDM_SLOT_VAL 0 + +#define CS530X_2_3_TDM_SLOT_MASK GENMASK(3, 2) +#define CS530X_2_3_TDM_SLOT_VAL 1 + +#define CS530X_4_5_TDM_SLOT_MASK GENMASK(5, 4) +#define CS530X_4_7_TDM_SLOT_MASK GENMASK(7, 4) +#define CS530X_4_7_TDM_SLOT_VAL 2 + +#define CS530X_6_7_TDM_SLOT_MASK GENMASK(7, 6) +#define CS530X_6_7_TDM_SLOT_VAL 3 + +#define CS530X_8_9_TDM_SLOT_MASK GENMASK(9, 8) +#define CS530X_8_11_TDM_SLOT_MASK GENMASK(11, 8) +#define CS530X_8_15_TDM_SLOT_MASK GENMASK(15, 8) +#define CS530X_8_15_TDM_SLOT_VAL 4 + +#define CS530X_10_11_TDM_SLOT_MASK GENMASK(11, 10) +#define CS530X_10_11_TDM_SLOT_VAL 5 + +#define CS530X_12_13_TDM_SLOT_MASK GENMASK(13, 12) +#define CS530X_12_15_TDM_SLOT_MASK GENMASK(15, 12) +#define CS530X_12_15_TDM_SLOT_VAL 6 + +#define CS530X_14_15_TDM_SLOT_MASK GENMASK(15, 14) +#define CS530X_14_15_TDM_SLOT_VAL 7 + +/* IN_RAMP_SUM */ +#define CS530X_RAMP_RATE_INC_SHIFT 0 +#define CS530X_RAMP_RATE_DEC_SHIFT 4 +#define CS530X_IN_SUM_MODE_SHIFT 13 + +/* IN_FILTER */ +#define CS530X_IN_FILTER_SHIFT 8 +#define CS530X_IN_HPF_EN_SHIFT 12 + +/* IN_HIZ */ +#define CS530X_IN12_HIZ BIT(0) +#define CS530X_IN34_HIZ BIT(1) +#define CS530X_IN56_HIZ BIT(2) +#define CS530X_IN78_HIZ BIT(3) + +/* IN_INV */ +#define CS530X_IN1_INV_SHIFT 0 +#define CS530X_IN2_INV_SHIFT 1 +#define CS530X_IN3_INV_SHIFT 2 +#define CS530X_IN4_INV_SHIFT 3 +#define CS530X_IN5_INV_SHIFT 4 +#define CS530X_IN6_INV_SHIFT 5 +#define CS530X_IN7_INV_SHIFT 6 +#define CS530X_IN8_INV_SHIFT 7 + +/* IN_VOL_CTLy_z */ +#define CS530X_IN_MUTE BIT(15) + +/* IN_VOL_CTL5 */ +#define CS530X_IN_VU BIT(0) + +/* PAD_FN */ +#define CS530X_DOUT2_FN BIT(0) +#define CS530X_DOUT3_FN BIT(1) +#define CS530X_DOUT4_FN BIT(2) +#define CS530X_SPI_CS_FN BIT(3) +#define CS530X_CONFIG2_FN BIT(6) +#define CS530X_CONFIG3_FN BIT(7) +#define CS530X_CONFIG4_FN BIT(8) +#define CS530X_CONFIG5_FN BIT(9) + +/* PAD_LVL */ +#define CS530X_CONFIG2_LVL BIT(6) +#define CS530X_CONFIG3_LVL BIT(7) +#define CS530X_CONFIG4_LVL BIT(8) +#define CS530X_CONFIG5_LVL BIT(9) + +/* System Clock Source */ +#define CS530X_SYSCLK_SRC_MCLK 0 +#define CS530X_SYSCLK_SRC_PLL 1 + +/* PLL Reference Clock Source */ +#define CS530X_PLL_SRC_BCLK 0 +#define CS530X_PLL_SRC_MCLK 1 + +#define CS530X_NUM_SUPPLIES 2 + +enum cs530x_type { + CS5302, + CS5304, + CS5308, +}; + +/* codec private data */ +struct cs530x_priv { + struct regmap *regmap; + struct device *dev; + struct snd_soc_dai_driver *dev_dai; + + enum cs530x_type devtype; + int num_adcs; + int num_dacs; + + struct regulator_bulk_data supplies[CS530X_NUM_SUPPLIES]; + + unsigned int mclk_rate; + + int tdm_width; + int tdm_slots; + int bclk; + int fs; + int adc_pairs_count; + + struct gpio_desc *reset_gpio; +}; + +extern const struct regmap_config cs530x_regmap; +int cs530x_probe(struct cs530x_priv *cs530x); + +#endif