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Message-ID: <50e12f7a-bf15-9f27-0606-5d23b310bf2d@collabora.com>
Date:   Tue, 4 Oct 2022 11:36:43 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Trevor Wu <trevor.wu@...iatek.com>, broonie@...nel.org,
        tiwai@...e.com, robh+dt@...nel.org, matthias.bgg@...il.com,
        p.zabel@...gutronix.de
Cc:     alsa-devel@...a-project.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 08/12] ASoC: mediatek: mt8188: add platform driver

Il 30/09/22 16:56, Trevor Wu ha scritto:
> Add mt8188 platform driver.
> 
> Signed-off-by: Trevor Wu <trevor.wu@...iatek.com>
> ---
> This patch depends on the following series that has not been accepted.
> 
> [1] Add power domain support for MT8188
> https://patchwork.kernel.org/project/linux-mediatek/list/?series=681359
> (linux/soc/mediatek/infracfg.h is included)
> ---
>   sound/soc/mediatek/Kconfig                 |   13 +
>   sound/soc/mediatek/Makefile                |    1 +
>   sound/soc/mediatek/mt8188/Makefile         |   12 +
>   sound/soc/mediatek/mt8188/mt8188-afe-pcm.c | 2945 ++++++++++++++++++++
>   4 files changed, 2971 insertions(+)
>   create mode 100644 sound/soc/mediatek/mt8188/Makefile
>   create mode 100644 sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
> 
> diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig
> index 363fa4d47680..cf0e4c6b61e7 100644
> --- a/sound/soc/mediatek/Kconfig
> +++ b/sound/soc/mediatek/Kconfig
> @@ -206,6 +206,19 @@ config SND_SOC_MTK_BTCVSD
>   	  Select Y if you have such device.
>   	  If unsure select "N".
>   
> +config SND_SOC_MT8188
> +	tristate "ASoC support for Mediatek MT8188 chip"
> +	depends on ARCH_MEDIATEK || COMPILE_TEST
> +	depends on COMMON_CLK
> +	select SND_SOC_MEDIATEK
> +	select SND_SOC_MT6359
> +	select MFD_SYSCON if SND_SOC_MT6359
> +	help
> +	  This adds ASoC platform driver support for Mediatek MT8188 chip
> +	  that can be used with other codecs.
> +	  Select Y if you have such device.
> +	  If unsure select "N".
> +
>   config SND_SOC_MT8192
>   	tristate "ASoC support for Mediatek MT8192 chip"
>   	depends on ARCH_MEDIATEK
> diff --git a/sound/soc/mediatek/Makefile b/sound/soc/mediatek/Makefile
> index 5571c640a288..3de38cfc69e5 100644
> --- a/sound/soc/mediatek/Makefile
> +++ b/sound/soc/mediatek/Makefile
> @@ -5,5 +5,6 @@ obj-$(CONFIG_SND_SOC_MT6797) += mt6797/
>   obj-$(CONFIG_SND_SOC_MT8173) += mt8173/
>   obj-$(CONFIG_SND_SOC_MT8183) += mt8183/
>   obj-$(CONFIG_SND_SOC_MT8186) += mt8186/
> +obj-$(CONFIG_SND_SOC_MT8188) += mt8188/
>   obj-$(CONFIG_SND_SOC_MT8192) += mt8192/
>   obj-$(CONFIG_SND_SOC_MT8195) += mt8195/
> diff --git a/sound/soc/mediatek/mt8188/Makefile b/sound/soc/mediatek/mt8188/Makefile
> new file mode 100644
> index 000000000000..fa5d383c5e47
> --- /dev/null
> +++ b/sound/soc/mediatek/mt8188/Makefile
> @@ -0,0 +1,12 @@
> +# SPDX-License-Identifier: GPL-2.0
> +
> +# platform driver
> +snd-soc-mt8188-afe-objs := \
> +	mt8188-afe-clk.o \
> +	mt8188-afe-pcm.o \
> +	mt8188-audsys-clk.o \
> +	mt8188-dai-adda.o \
> +	mt8188-dai-etdm.o \
> +	mt8188-dai-pcm.o
> +
> +obj-$(CONFIG_SND_SOC_MT8188) += snd-soc-mt8188-afe.o
> diff --git a/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
> new file mode 100644
> index 000000000000..5d8e01c99714
> --- /dev/null
> +++ b/sound/soc/mediatek/mt8188/mt8188-afe-pcm.c
> @@ -0,0 +1,2945 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Mediatek ALSA SoC AFE platform driver for 8188
> + *
> + * Copyright (c) 2022 MediaTek Inc.
> + * Author: Bicycle Tsai <bicycle.tsai@...iatek.com>
> + *         Trevor Wu <trevor.wu@...iatek.com>
> + *         Chun-Chia Chiu <chun-chia.chiu@...iatek.com>
> + */
> +
> +#include <linux/arm-smccc.h>
> +#include <linux/delay.h>
> +#include <linux/dma-mapping.h>
> +#include <linux/module.h>
> +#include <linux/mfd/syscon.h>
> +#include <linux/of.h>
> +#include <linux/of_address.h>
> +#include <linux/of_platform.h>
> +#include <linux/pm_runtime.h>
> +#include <linux/reset.h>
> +#include <linux/soc/mediatek/infracfg.h>
> +#include <linux/soc/mediatek/mtk_sip_svc.h>
> +#include <sound/pcm_params.h>
> +#include "mt8188-afe-common.h"
> +#include "mt8188-afe-clk.h"
> +#include "mt8188-reg.h"
> +#include "../common/mtk-afe-platform-driver.h"
> +#include "../common/mtk-afe-fe-dai.h"
> +
> +#define MTK_SIP_AUDIO_CONTROL MTK_SIP_SMC_CMD(0x517)

This definition goes to include/linux/soc/mediatek/mtk_sip_svc.h

> +
> +#define MT8188_MEMIF_BUFFER_BYTES_ALIGN  (0x40)
> +#define MT8188_MEMIF_DL7_MAX_PERIOD_SIZE (0x3fff)
> +
> +#define MEMIF_AXI_MINLEN 9 //register default value

...and please fix comments style.

> +
> +struct mtk_dai_memif_priv {
> +	unsigned int asys_timing_sel;
> +	unsigned int fs_timing;
> +};
> +

..snip..

> +
> +MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 8188");

MediaTek SoC AFE platform driver for ALSA MT8188

> +MODULE_AUTHOR("Chun-Chia.Chiu <chun-chia.chiu@...iatek.com>");
> +MODULE_LICENSE("GPL");



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