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Message-ID: <05ed39c6-3c0b-4a43-b655-d26c69f686fa@kernel.org>
Date: Wed, 10 Jul 2024 12:34:47 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Igor Prusov <ivprusov@...utedevices.com>,
Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>
Cc: prusovigor@...il.com, kernel@...utedevices.com,
David Yang <yangxiaohua@...rest-semi.com>,
Viktor Prutyanov <vvprutyanov@...rdevices.ru>, linux-sound@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ASoC: codecs: add ES7243E ADC driver
On 09/07/2024 12:41, Igor Prusov wrote:
> Add support for Everest Semi es7243e, which is a 24 bit, 8 to 48 kHz
> stereo audio ADC with I2C control and I2S output.
>
> Datasheet: https://www.pawpaw.cn/media/documents/2022-04/ES7243E_DS_pawpaw%E6%9C%A8%E7%93%9C%E7%A7%91%E6%8A%80.pdf
>
> Signed-off-by: David Yang <yangxiaohua@...rest-semi.com>
> Signed-off-by: Igor Prusov <ivprusov@...utedevices.com>
> Signed-off-by: Viktor Prutyanov <vvprutyanov@...rdevices.ru>
> ---
> sound/soc/codecs/Kconfig | 3 +
> sound/soc/codecs/Makefile | 2 +
> sound/soc/codecs/es7243e.c | 676 +++++++++++++++++++++++++++++++++++++
> 3 files changed, 681 insertions(+)
> create mode 100644 sound/soc/codecs/es7243e.c
>
> diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
> index 4afc43d3f71f..bfc21073ea24 100644
> --- a/sound/soc/codecs/Kconfig
> +++ b/sound/soc/codecs/Kconfig
> @@ -1097,6 +1097,9 @@ config SND_SOC_ES7134
> config SND_SOC_ES7241
> tristate "Everest Semi ES7241 CODEC"
>
> +config SND_SOC_ES7243E
> + tristate "Everest Semi ES7243E CODEC"
> +
> config SND_SOC_ES83XX_DSM_COMMON
> depends on ACPI
> tristate
> diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
> index b4df22186e25..9469903662f8 100644
> --- a/sound/soc/codecs/Makefile
> +++ b/sound/soc/codecs/Makefile
> @@ -118,6 +118,7 @@ snd-soc-da9055-y := da9055.o
> snd-soc-dmic-y := dmic.o
> snd-soc-es7134-y := es7134.o
> snd-soc-es7241-y := es7241.o
> +snd-soc-es7243-y := es7243.o
> snd-soc-es83xx-dsm-common-y := es83xx-dsm-common.o
> snd-soc-es8316-y := es8316.o
> snd-soc-es8326-y := es8326.o
> @@ -515,6 +516,7 @@ obj-$(CONFIG_SND_SOC_DA9055) += snd-soc-da9055.o
> obj-$(CONFIG_SND_SOC_DMIC) += snd-soc-dmic.o
> obj-$(CONFIG_SND_SOC_ES7134) += snd-soc-es7134.o
> obj-$(CONFIG_SND_SOC_ES7241) += snd-soc-es7241.o
> +obj-$(CONFIG_SND_SOC_ES7243E) += snd-soc-es7243e.o
> obj-$(CONFIG_SND_SOC_ES83XX_DSM_COMMON) += snd-soc-es83xx-dsm-common.o
> obj-$(CONFIG_SND_SOC_ES8316) += snd-soc-es8316.o
> obj-$(CONFIG_SND_SOC_ES8326) += snd-soc-es8326.o
> diff --git a/sound/soc/codecs/es7243e.c b/sound/soc/codecs/es7243e.c
> new file mode 100644
> index 000000000000..be877d980cec
> --- /dev/null
> +++ b/sound/soc/codecs/es7243e.c
> @@ -0,0 +1,676 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/**
> + * es7243e.c - ASoC Everest Semiconductor ES7243E audio ADC driver
> + *
> + * Copyright (c) 2024, SaluteDevices. All Rights Reserved.
> + *
> + * Authors: Viktor Prutyanov <vvprutyanov@...rdevices.ru>
> + * Igor Prusov <ivprusov@...utedevices.com>
> + *
> + * Based on ES7243E driver by David Yang <yangxiaohua@...rest-semi.com>
> + */
> +
> +#include <linux/clk.h>
> +#include <linux/module.h>
> +#include <linux/moduleparam.h>
Same issues.
> +
> +static const struct regmap_config es7243e_regmap_config = {
But this one is correct...
> + .reg_bits = 8,
> + .val_bits = 8,
> + .max_register = ES7243E_CHIP_VER,
> + .cache_type = REGCACHE_MAPLE,
> +};
> +
> +struct coeff_div {
declarations go before definitions.
> + u32 mclk; /* mclk frequency */
> + u32 sr_rate; /* sample rate */
> + u8 osr; /* ADC over sample rate */
> + u8 mclk_pre; /* mclk prediv/premult */
> + u8 cf_dsp_div; /* adclrck divider and daclrck divider */
> + u8 scale; /* ADC gain scale up */
> + u8 lrckdiv; /* lrck divider */
> + u8 bclkdiv; /* sclk divider */
> +};
> +
> +static const struct coeff_div coeff_div[] = {
> + /* mclk lrck osr pre div scale lrdiv bclkdiv */
> + { 24576000, 8000, 0x20, 0x50, 0x00, 0x00, 0x0b, 0x2f },
> + { 24576000, 12000, 0x20, 0x30, 0x00, 0x00, 0x07, 0x1f },
> + { 24576000, 16000, 0x20, 0x20, 0x00, 0x00, 0x05, 0x17 },
> + { 24576000, 24000, 0x20, 0x10, 0x00, 0x00, 0x03, 0x0f },
> + { 24576000, 32000, 0x20, 0x21, 0x00, 0x00, 0x02, 0x0b },
> + { 24576000, 48000, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 12288000, 8000, 0x20, 0x20, 0x00, 0x00, 0x05, 0x17 },
> + { 12288000, 12000, 0x20, 0x10, 0x00, 0x00, 0x03, 0x0f },
> + { 12288000, 16000, 0x20, 0x21, 0x00, 0x00, 0x02, 0x0b },
> + { 12288000, 24000, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 12288000, 32000, 0x20, 0x22, 0x00, 0x00, 0x01, 0x05 },
> + { 12288000, 48000, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 6144000, 8000, 0x20, 0x21, 0x00, 0x00, 0x02, 0x0b },
> + { 6144000, 12000, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 6144000, 16000, 0x20, 0x22, 0x00, 0x00, 0x01, 0x05 },
> + { 6144000, 24000, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 6144000, 32000, 0x20, 0x23, 0x00, 0x00, 0x00, 0x02 },
> + { 6144000, 48000, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 3072000, 8000, 0x20, 0x22, 0x00, 0x00, 0x01, 0x05 },
> + { 3072000, 12000, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 3072000, 16000, 0x20, 0x23, 0x00, 0x00, 0x00, 0x02 },
> + { 3072000, 24000, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 3072000, 32000, 0x10, 0x03, 0x20, 0x04, 0x00, 0x02 },
> + { 3072000, 48000, 0x20, 0x03, 0x00, 0x00, 0x00, 0x00 },
> + { 1536000, 8000, 0x20, 0x23, 0x00, 0x00, 0x00, 0x02 },
> + { 1536000, 12000, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 1536000, 16000, 0x10, 0x03, 0x20, 0x04, 0x00, 0x00 },
> + { 1536000, 24000, 0x20, 0x03, 0x00, 0x00, 0x00, 0x00 },
> + { 32768000, 8000, 0x20, 0x70, 0x00, 0x00, 0x0f, 0x3f },
> + { 32768000, 16000, 0x20, 0x30, 0x00, 0x00, 0x07, 0x1f },
> + { 32768000, 32000, 0x20, 0x10, 0x00, 0x00, 0x03, 0x0f },
> + { 16384000, 8000, 0x20, 0x30, 0x00, 0x00, 0x07, 0x1f },
> + { 16384000, 16000, 0x20, 0x10, 0x00, 0x00, 0x03, 0x0f },
> + { 16384000, 32000, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 8192000, 8000, 0x20, 0x10, 0x00, 0x00, 0x03, 0x0f },
> + { 8192000, 16000, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 8192000, 32000, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 4096000, 8000, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 4096000, 16000, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 4096000, 32000, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 2048000, 8000, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 2048000, 16000, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 2048000, 32000, 0x20, 0x03, 0x00, 0x00, 0x00, 0x00 },
> + { 1024000, 8000, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 1024000, 16000, 0x20, 0x03, 0x00, 0x00, 0x00, 0x00 },
> + { 22579200, 11025, 0x20, 0x30, 0x00, 0x00, 0x07, 0x1f },
> + { 22579200, 22050, 0x20, 0x10, 0x00, 0x00, 0x03, 0x0f },
> + { 22579200, 44100, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 11289600, 11025, 0x20, 0x10, 0x00, 0x00, 0x03, 0x0f },
> + { 11289600, 22050, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 11289600, 44100, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 56448000, 11025, 0x20, 0x00, 0x00, 0x00, 0x01, 0x07 },
> + { 56448000, 22050, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 56448000, 44100, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 28224000, 11025, 0x20, 0x01, 0x00, 0x00, 0x00, 0x03 },
> + { 28224000, 22050, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 28224000, 44100, 0x20, 0x03, 0x00, 0x00, 0x00, 0x00 },
> + { 14112000, 11025, 0x20, 0x02, 0x00, 0x00, 0x00, 0x01 },
> + { 14112000, 22050, 0x20, 0x03, 0x00, 0x00, 0x00, 0x00 },
> +};
> +
> +static const struct coeff_div *get_coeff(int mclk, int rate)
> +{
> + int i;
> +
> + for (i = 0; i < ARRAY_SIZE(coeff_div); i++)
> + if (coeff_div[i].sr_rate == rate && coeff_div[i].mclk == mclk)
> + return &coeff_div[i];
> +
> + return NULL;
> +}
> +
> +static unsigned int rates_12288[] = {
Not a const?
Best regards,
Krzysztof
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