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Date:   Fri, 25 Nov 2016 13:45:37 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     Chen-Yu Tsai <wens@...e.org>, Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Mylene Josserand <mylene.josserand@...e-electrons.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 02/10] ASoC: sunxi: Add support for A23/A33/H3 codec's
 analog path controls

On Fri, Nov 25, 2016 at 1:43 PM, Icenowy Zheng <icenowy@...c.xyz> wrote:
>
>
> 12.11.2016, 14:57, "Chen-Yu Tsai" <wens@...e.org>:
>> The internal codec on A23/A33/H3 is split into 2 parts. The
>> analog path controls are routed through an embedded custom register
>> bus accessed through the PRCM block.
>>
>> The SoCs share a common set of inputs, outputs, and audio paths.
>> The following table lists the differences.
>>
>>     ----------------------------------------
>>     | Feature \ SoC | A23 | A33 | H3 |
>>     ----------------------------------------
>>     | Headphone | v | v | |
>>     ----------------------------------------
>>     | Line Out | | | v |
>>     ----------------------------------------
>>     | Phone In/Out | v | v | |
>>     ----------------------------------------
>>
>> Add an ASoC component driver for it. This should be tied to the codec
>> audio card as an auxiliary device. This patch adds the commont paths
>> and controls, and variant specific headphone out and line out.
>>
>> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
>> ---
>>  sound/soc/sunxi/Kconfig | 8 +
>>  sound/soc/sunxi/Makefile | 1 +
>>  sound/soc/sunxi/sun8i-codec-analog.c | 665 +++++++++++++++++++++++++++++++++++
>>  3 files changed, 674 insertions(+)
>>  create mode 100644 sound/soc/sunxi/sun8i-codec-analog.c
>>
>> diff --git a/sound/soc/sunxi/Kconfig b/sound/soc/sunxi/Kconfig
>> index dd2368297fd3..6c344e16aca4 100644
>> --- a/sound/soc/sunxi/Kconfig
>> +++ b/sound/soc/sunxi/Kconfig
>> @@ -9,6 +9,14 @@ config SND_SUN4I_CODEC
>>            Select Y or M to add support for the Codec embedded in the Allwinner
>>            A10 and affiliated SoCs.
>>
>> +config SND_SUN8I_CODEC_ANALOG
>> + tristate "Allwinner sun8i Codec Analog Controls Support"
>> + depends on MACH_SUN8I || COMPILE_TEST
>
> sun50i-a64 has a similar (or the same?) codec to A33.
>

I think the register offsets/fields were moved around again.
Why does Allwinner always do that... :/

ChenYu

>> + select REGMAP
>> + help
>> + Say Y or M if you want to add support for the analog controls for
>> + the codec embedded in newer Allwinner SoCs.
>> +
>>  config SND_SUN4I_I2S
>>          tristate "Allwinner A10 I2S Support"
>>          select SND_SOC_GENERIC_DMAENGINE_PCM
>> diff --git a/sound/soc/sunxi/Makefile b/sound/soc/sunxi/Makefile
>> index 604c7b842837..241c0df9ca0c 100644
>> --- a/sound/soc/sunxi/Makefile
>> +++ b/sound/soc/sunxi/Makefile
>> @@ -1,3 +1,4 @@
>>  obj-$(CONFIG_SND_SUN4I_CODEC) += sun4i-codec.o
>>  obj-$(CONFIG_SND_SUN4I_I2S) += sun4i-i2s.o
>>  obj-$(CONFIG_SND_SUN4I_SPDIF) += sun4i-spdif.o
>> +obj-$(CONFIG_SND_SUN8I_CODEC_ANALOG) += sun8i-codec-analog.o
>> diff --git a/sound/soc/sunxi/sun8i-codec-analog.c b/sound/soc/sunxi/sun8i-codec-analog.c
>> new file mode 100644
>> index 000000000000..222bbd440b1e
>> --- /dev/null
>> +++ b/sound/soc/sunxi/sun8i-codec-analog.c
>> @@ -0,0 +1,665 @@
>> +/*
>> + * This driver supports the analog controls for the internal codec
>> + * found in Allwinner's A31s, A23, A33 and H3 SoCs.
>> + *
>> + * Copyright 2016 Chen-Yu Tsai <wens@...e.org>
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License as published by
>> + * the Free Software Foundation; either version 2 of the License, or
>> + * (at your option) any later version.
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + */
>> +
>> +#include <linux/io.h>
>> +#include <linux/kernel.h>
>> +#include <linux/module.h>
>> +#include <linux/of.h>
>> +#include <linux/of_device.h>
>> +#include <linux/platform_device.h>
>> +#include <linux/regmap.h>
>> +
>> +#include <sound/soc.h>
>> +#include <sound/soc-dapm.h>
>> +#include <sound/tlv.h>
>> +
>> +/* Codec analog control register offsets and bit fields */
>> +#define SUN8I_ADDA_HP_VOLC 0x00
>> +#define SUN8I_ADDA_HP_VOLC_PA_CLK_GATE 7
>> +#define SUN8I_ADDA_HP_VOLC_HP_VOL 0
>> +#define SUN8I_ADDA_LOMIXSC 0x01
>> +#define SUN8I_ADDA_LOMIXSC_MIC1 6
>> +#define SUN8I_ADDA_LOMIXSC_MIC2 5
>> +#define SUN8I_ADDA_LOMIXSC_PHONE 4
>> +#define SUN8I_ADDA_LOMIXSC_PHONEN 3
>> +#define SUN8I_ADDA_LOMIXSC_LINEINL 2
>> +#define SUN8I_ADDA_LOMIXSC_DACL 1
>> +#define SUN8I_ADDA_LOMIXSC_DACR 0
>> +#define SUN8I_ADDA_ROMIXSC 0x02
>> +#define SUN8I_ADDA_ROMIXSC_MIC1 6
>> +#define SUN8I_ADDA_ROMIXSC_MIC2 5
>> +#define SUN8I_ADDA_ROMIXSC_PHONE 4
>> +#define SUN8I_ADDA_ROMIXSC_PHONEP 3
>> +#define SUN8I_ADDA_ROMIXSC_LINEINR 2
>> +#define SUN8I_ADDA_ROMIXSC_DACR 1
>> +#define SUN8I_ADDA_ROMIXSC_DACL 0
>> +#define SUN8I_ADDA_DAC_PA_SRC 0x03
>> +#define SUN8I_ADDA_DAC_PA_SRC_DACAREN 7
>> +#define SUN8I_ADDA_DAC_PA_SRC_DACALEN 6
>> +#define SUN8I_ADDA_DAC_PA_SRC_RMIXEN 5
>> +#define SUN8I_ADDA_DAC_PA_SRC_LMIXEN 4
>> +#define SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE 3
>> +#define SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE 2
>> +#define SUN8I_ADDA_DAC_PA_SRC_RHPIS 1
>> +#define SUN8I_ADDA_DAC_PA_SRC_LHPIS 0
>> +#define SUN8I_ADDA_PHONEIN_GCTRL 0x04
>> +#define SUN8I_ADDA_PHONEIN_GCTRL_PHONEPG 4
>> +#define SUN8I_ADDA_PHONEIN_GCTRL_PHONENG 0
>> +#define SUN8I_ADDA_LINEIN_GCTRL 0x05
>> +#define SUN8I_ADDA_LINEIN_GCTRL_LINEING 4
>> +#define SUN8I_ADDA_LINEIN_GCTRL_PHONEG 0
>> +#define SUN8I_ADDA_MICIN_GCTRL 0x06
>> +#define SUN8I_ADDA_MICIN_GCTRL_MIC1G 4
>> +#define SUN8I_ADDA_MICIN_GCTRL_MIC2G 0
>> +#define SUN8I_ADDA_PAEN_HP_CTRL 0x07
>> +#define SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN 7
>> +#define SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN 7 /* H3 specific */
>> +#define SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC 5
>> +#define SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN 4
>> +#define SUN8I_ADDA_PAEN_HP_CTRL_PA_ANTI_POP_CTRL 2
>> +#define SUN8I_ADDA_PAEN_HP_CTRL_LTRNMUTE 1
>> +#define SUN8I_ADDA_PAEN_HP_CTRL_RTLNMUTE 0
>> +#define SUN8I_ADDA_PHONEOUT_CTRL 0x08
>> +#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTG 5
>> +#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUTEN 4
>> +#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC1 3
>> +#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_MIC2 2
>> +#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_RMIX 1
>> +#define SUN8I_ADDA_PHONEOUT_CTRL_PHONEOUT_LMIX 0
>> +#define SUN8I_ADDA_PHONE_GAIN_CTRL 0x09
>> +#define SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL 3
>> +#define SUN8I_ADDA_PHONE_GAIN_CTRL_PHONEPREG 0
>> +#define SUN8I_ADDA_MIC2G_CTRL 0x0a
>> +#define SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN 7
>> +#define SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST 4
>> +#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN 3
>> +#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN 2
>> +#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC 1
>> +#define SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC 0
>> +#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL 0x0b
>> +#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN 7
>> +#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN 6
>> +#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIAS_MODE 5
>> +#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN 3
>> +#define SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST 0
>> +#define SUN8I_ADDA_LADCMIXSC 0x0c
>> +#define SUN8I_ADDA_LADCMIXSC_MIC1 6
>> +#define SUN8I_ADDA_LADCMIXSC_MIC2 5
>> +#define SUN8I_ADDA_LADCMIXSC_PHONE 4
>> +#define SUN8I_ADDA_LADCMIXSC_PHONEN 3
>> +#define SUN8I_ADDA_LADCMIXSC_LINEINL 2
>> +#define SUN8I_ADDA_LADCMIXSC_OMIXRL 1
>> +#define SUN8I_ADDA_LADCMIXSC_OMIXRR 0
>> +#define SUN8I_ADDA_RADCMIXSC 0x0d
>> +#define SUN8I_ADDA_RADCMIXSC_MIC1 6
>> +#define SUN8I_ADDA_RADCMIXSC_MIC2 5
>> +#define SUN8I_ADDA_RADCMIXSC_PHONE 4
>> +#define SUN8I_ADDA_RADCMIXSC_PHONEP 3
>> +#define SUN8I_ADDA_RADCMIXSC_LINEINR 2
>> +#define SUN8I_ADDA_RADCMIXSC_OMIXR 1
>> +#define SUN8I_ADDA_RADCMIXSC_OMIXL 0
>> +#define SUN8I_ADDA_RES 0x0e
>> +#define SUN8I_ADDA_RES_MMICBIAS_SEL 4
>> +#define SUN8I_ADDA_RES_PA_ANTI_POP_CTRL 0
>> +#define SUN8I_ADDA_ADC_AP_EN 0x0f
>> +#define SUN8I_ADDA_ADC_AP_EN_ADCREN 7
>> +#define SUN8I_ADDA_ADC_AP_EN_ADCLEN 6
>> +#define SUN8I_ADDA_ADC_AP_EN_ADCG 0
>> +
>> +/* Analog control register access bits */
>> +#define ADDA_PR 0x0 /* PRCM base + 0x1c0 */
>> +#define ADDA_PR_RESET BIT(28)
>> +#define ADDA_PR_WRITE BIT(24)
>> +#define ADDA_PR_ADDR_SHIFT 16
>> +#define ADDA_PR_ADDR_MASK GENMASK(4, 0)
>> +#define ADDA_PR_DATA_IN_SHIFT 8
>> +#define ADDA_PR_DATA_IN_MASK GENMASK(7, 0)
>> +#define ADDA_PR_DATA_OUT_SHIFT 0
>> +#define ADDA_PR_DATA_OUT_MASK GENMASK(7, 0)
>> +
>> +/* regmap access bits */
>> +static int adda_reg_read(void *context, unsigned int reg, unsigned int *val)
>> +{
>> + void __iomem *base = (void __iomem *)context;
>> + u32 tmp;
>> +
>> + /* De-assert reset */
>> + writel(readl(base) | ADDA_PR_RESET, base);
>> +
>> + /* Clear write bit */
>> + writel(readl(base) & ~ADDA_PR_WRITE, base);
>> +
>> + /* Set register address */
>> + tmp = readl(base);
>> + tmp &= ~(ADDA_PR_ADDR_MASK << ADDA_PR_ADDR_SHIFT);
>> + tmp |= (reg & ADDA_PR_ADDR_MASK) << ADDA_PR_ADDR_SHIFT;
>> + writel(tmp, base);
>> +
>> + /* Read back value */
>> + *val = readl(base) & ADDA_PR_DATA_OUT_MASK;
>> +
>> + return 0;
>> +}
>> +
>> +static int adda_reg_write(void *context, unsigned int reg, unsigned int val)
>> +{
>> + void __iomem *base = (void __iomem *)context;
>> + u32 tmp;
>> +
>> + /* De-assert reset */
>> + writel(readl(base) | ADDA_PR_RESET, base);
>> +
>> + /* Set register address */
>> + tmp = readl(base);
>> + tmp &= ~(ADDA_PR_ADDR_MASK << ADDA_PR_ADDR_SHIFT);
>> + tmp |= (reg & ADDA_PR_ADDR_MASK) << ADDA_PR_ADDR_SHIFT;
>> + writel(tmp, base);
>> +
>> + /* Set data to write */
>> + tmp = readl(base);
>> + tmp &= ~(ADDA_PR_DATA_IN_MASK << ADDA_PR_DATA_IN_SHIFT);
>> + tmp |= (val & ADDA_PR_DATA_IN_MASK) << ADDA_PR_DATA_IN_SHIFT;
>> + writel(tmp, base);
>> +
>> + /* Set write bit to signal a write */
>> + writel(readl(base) | ADDA_PR_WRITE, base);
>> +
>> + /* Clear write bit */
>> + writel(readl(base) & ~ADDA_PR_WRITE, base);
>> +
>> + return 0;
>> +}
>> +
>> +static const struct regmap_config adda_pr_regmap_cfg = {
>> + .name = "adda-pr",
>> + .reg_bits = 5,
>> + .reg_stride = 1,
>> + .val_bits = 8,
>> + .reg_read = adda_reg_read,
>> + .reg_write = adda_reg_write,
>> + .fast_io = true,
>> + .max_register = 24,
>> +};
>> +
>> +/* mixer controls */
>> +static const struct snd_kcontrol_new sun8i_codec_mixer_controls[] = {
>> + SOC_DAPM_DOUBLE_R("DAC Playback Switch",
>> + SUN8I_ADDA_LOMIXSC,
>> + SUN8I_ADDA_ROMIXSC,
>> + SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
>> + SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
>> + SUN8I_ADDA_LOMIXSC,
>> + SUN8I_ADDA_ROMIXSC,
>> + SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
>> + SOC_DAPM_DOUBLE_R("Line In Playback Switch",
>> + SUN8I_ADDA_LOMIXSC,
>> + SUN8I_ADDA_ROMIXSC,
>> + SUN8I_ADDA_LOMIXSC_LINEINL, 1, 0),
>> + SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
>> + SUN8I_ADDA_LOMIXSC,
>> + SUN8I_ADDA_ROMIXSC,
>> + SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
>> + SOC_DAPM_DOUBLE_R("Mic2 Playback Switch",
>> + SUN8I_ADDA_LOMIXSC,
>> + SUN8I_ADDA_ROMIXSC,
>> + SUN8I_ADDA_LOMIXSC_MIC2, 1, 0),
>> +};
>> +
>> +/* ADC mixer controls */
>> +static const struct snd_kcontrol_new sun8i_codec_adc_mixer_controls[] = {
>> + SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
>> + SUN8I_ADDA_LADCMIXSC,
>> + SUN8I_ADDA_RADCMIXSC,
>> + SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
>> + SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
>> + SUN8I_ADDA_LADCMIXSC,
>> + SUN8I_ADDA_RADCMIXSC,
>> + SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
>> + SOC_DAPM_DOUBLE_R("Line In Capture Switch",
>> + SUN8I_ADDA_LADCMIXSC,
>> + SUN8I_ADDA_RADCMIXSC,
>> + SUN8I_ADDA_LADCMIXSC_LINEINL, 1, 0),
>> + SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
>> + SUN8I_ADDA_LADCMIXSC,
>> + SUN8I_ADDA_RADCMIXSC,
>> + SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
>> + SOC_DAPM_DOUBLE_R("Mic2 Capture Switch",
>> + SUN8I_ADDA_LADCMIXSC,
>> + SUN8I_ADDA_RADCMIXSC,
>> + SUN8I_ADDA_LADCMIXSC_MIC2, 1, 0),
>> +};
>> +
>> +/* volume / mute controls */
>> +static const DECLARE_TLV_DB_SCALE(sun8i_codec_out_mixer_pregain_scale,
>> + -450, 150, 0);
>> +static const DECLARE_TLV_DB_RANGE(sun8i_codec_mic_gain_scale,
>> + 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0),
>> + 1, 7, TLV_DB_SCALE_ITEM(2400, 300, 0),
>> +);
>> +
>> +static const struct snd_kcontrol_new sun8i_codec_common_controls[] = {
>> + /* Mixer pre-gains */
>> + SOC_SINGLE_TLV("Line In Playback Volume", SUN8I_ADDA_LINEIN_GCTRL,
>> + SUN8I_ADDA_LINEIN_GCTRL_LINEING,
>> + 0x7, 0, sun8i_codec_out_mixer_pregain_scale),
>> + SOC_SINGLE_TLV("Mic1 Playback Volume", SUN8I_ADDA_MICIN_GCTRL,
>> + SUN8I_ADDA_MICIN_GCTRL_MIC1G,
>> + 0x7, 0, sun8i_codec_out_mixer_pregain_scale),
>> + SOC_SINGLE_TLV("Mic2 Playback Volume",
>> + SUN8I_ADDA_MICIN_GCTRL, SUN8I_ADDA_MICIN_GCTRL_MIC2G,
>> + 0x7, 0, sun8i_codec_out_mixer_pregain_scale),
>> +
>> + /* Microphone Amp boost gains */
>> + SOC_SINGLE_TLV("Mic1 Boost Volume", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
>> + SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST, 0x7, 0,
>> + sun8i_codec_mic_gain_scale),
>> + SOC_SINGLE_TLV("Mic2 Boost Volume", SUN8I_ADDA_MIC2G_CTRL,
>> + SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST, 0x7, 0,
>> + sun8i_codec_mic_gain_scale),
>> +
>> + /* ADC */
>> + SOC_SINGLE_TLV("ADC Gain Capture Volume", SUN8I_ADDA_ADC_AP_EN,
>> + SUN8I_ADDA_ADC_AP_EN_ADCG, 0x7, 0,
>> + sun8i_codec_out_mixer_pregain_scale),
>> +};
>> +
>> +static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
>> + /* ADC */
>> + SND_SOC_DAPM_ADC("Left ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
>> + SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0),
>> + SND_SOC_DAPM_ADC("Right ADC", NULL, SUN8I_ADDA_ADC_AP_EN,
>> + SUN8I_ADDA_ADC_AP_EN_ADCREN, 0),
>> +
>> + /* DAC */
>> + SND_SOC_DAPM_DAC("Left DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
>> + SUN8I_ADDA_DAC_PA_SRC_DACALEN, 0),
>> + SND_SOC_DAPM_DAC("Right DAC", NULL, SUN8I_ADDA_DAC_PA_SRC,
>> + SUN8I_ADDA_DAC_PA_SRC_DACAREN, 0),
>> + /*
>> + * Due to this component and the codec belonging to separate DAPM
>> + * contexts, we need to manually link the above widgets to their
>> + * stream widgets at the card level.
>> + */
>> +
>> + /* Line In */
>> + SND_SOC_DAPM_INPUT("LINEIN"),
>> +
>> + /* Microphone inputs */
>> + SND_SOC_DAPM_INPUT("MIC1"),
>> + SND_SOC_DAPM_INPUT("MIC2"),
>> +
>> + /* Microphone Bias */
>> + SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
>> + SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN,
>> + 0, NULL, 0),
>> +
>> + /* Mic input path */
>> + SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
>> + SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN, 0, NULL, 0),
>> + SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
>> + SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN, 0, NULL, 0),
>> +
>> + /* Mixers */
>> + SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
>> + SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
>> + sun8i_codec_mixer_controls,
>> + ARRAY_SIZE(sun8i_codec_mixer_controls)),
>> + SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
>> + SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
>> + sun8i_codec_mixer_controls,
>> + ARRAY_SIZE(sun8i_codec_mixer_controls)),
>> + SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
>> + SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
>> + sun8i_codec_adc_mixer_controls,
>> + ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
>> + SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
>> + SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
>> + sun8i_codec_adc_mixer_controls,
>> + ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
>> +};
>> +
>> +static const struct snd_soc_dapm_route sun8i_codec_common_routes[] = {
>> + /* Microphone Routes */
>> + { "Mic1 Amplifier", NULL, "MIC1"},
>> + { "Mic2 Amplifier", NULL, "MIC2"},
>> +
>> + /* Left Mixer Routes */
>> + { "Left Mixer", "DAC Playback Switch", "Left DAC" },
>> + { "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
>> + { "Left Mixer", "Line In Playback Switch", "LINEIN" },
>> + { "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
>> + { "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
>> +
>> + /* Right Mixer Routes */
>> + { "Right Mixer", "DAC Playback Switch", "Right DAC" },
>> + { "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
>> + { "Right Mixer", "Line In Playback Switch", "LINEIN" },
>> + { "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
>> + { "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
>> +
>> + /* Left ADC Mixer Routes */
>> + { "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
>> + { "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
>> + { "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
>> + { "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
>> + { "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
>> +
>> + /* Right ADC Mixer Routes */
>> + { "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
>> + { "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
>> + { "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
>> + { "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
>> + { "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
>> +
>> + /* ADC Routes */
>> + { "Left ADC", NULL, "Left ADC Mixer" },
>> + { "Right ADC", NULL, "Right ADC Mixer" },
>> +};
>> +
>> +/* headphone specific controls, widgets, and routes */
>> +static const DECLARE_TLV_DB_SCALE(sun8i_codec_hp_vol_scale, -6300, 100, 1);
>> +static const struct snd_kcontrol_new sun8i_codec_headphone_controls[] = {
>> + SOC_SINGLE_TLV("Headphone Playback Volume",
>> + SUN8I_ADDA_HP_VOLC,
>> + SUN8I_ADDA_HP_VOLC_HP_VOL, 0x3f, 0,
>> + sun8i_codec_hp_vol_scale),
>> + SOC_DOUBLE("Headphone Playback Switch",
>> + SUN8I_ADDA_DAC_PA_SRC,
>> + SUN8I_ADDA_DAC_PA_SRC_LHPPAMUTE,
>> + SUN8I_ADDA_DAC_PA_SRC_RHPPAMUTE, 1, 0),
>> +};
>> +
>> +static const char * const sun8i_codec_hp_src_enum_text[] = {
>> + "DAC", "Mixer",
>> +};
>> +
>> +static SOC_ENUM_DOUBLE_DECL(sun8i_codec_hp_src_enum,
>> + SUN8I_ADDA_DAC_PA_SRC,
>> + SUN8I_ADDA_DAC_PA_SRC_LHPIS,
>> + SUN8I_ADDA_DAC_PA_SRC_RHPIS,
>> + sun8i_codec_hp_src_enum_text);
>> +
>> +static const struct snd_kcontrol_new sun8i_codec_hp_src[] = {
>> + SOC_DAPM_ENUM("Headphone Source Playback Route",
>> + sun8i_codec_hp_src_enum),
>> +};
>> +
>> +static const struct snd_soc_dapm_widget sun8i_codec_headphone_widgets[] = {
>> + SND_SOC_DAPM_MUX("Headphone Source Playback Route",
>> + SND_SOC_NOPM, 0, 0, sun8i_codec_hp_src),
>> + SND_SOC_DAPM_OUT_DRV("Headphone Amp", SUN8I_ADDA_PAEN_HP_CTRL,
>> + SUN8I_ADDA_PAEN_HP_CTRL_HPPAEN, 0, NULL, 0),
>> + SND_SOC_DAPM_SUPPLY("HPCOM Protection", SUN8I_ADDA_PAEN_HP_CTRL,
>> + SUN8I_ADDA_PAEN_HP_CTRL_COMPTEN, 0, NULL, 0),
>> + SND_SOC_DAPM_REG(snd_soc_dapm_supply, "HPCOM", SUN8I_ADDA_PAEN_HP_CTRL,
>> + SUN8I_ADDA_PAEN_HP_CTRL_HPCOM_FC, 0x3, 0x3, 0),
>> + SND_SOC_DAPM_OUTPUT("HP"),
>> +};
>> +
>> +static const struct snd_soc_dapm_route sun8i_codec_headphone_routes[] = {
>> + { "Headphone Source Playback Route", "DAC", "Left DAC" },
>> + { "Headphone Source Playback Route", "DAC", "Right DAC" },
>> + { "Headphone Source Playback Route", "Mixer", "Left Mixer" },
>> + { "Headphone Source Playback Route", "Mixer", "Right Mixer" },
>> + { "Headphone Amp", NULL, "Headphone Source Playback Route" },
>> + { "HPCOM", NULL, "HPCOM Protection" },
>> + { "HP", NULL, "Headphone Amp" },
>> +};
>> +
>> +static int sun8i_codec_add_headphone(struct snd_soc_component *cmpnt)
>> +{
>> + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
>> + struct device *dev = cmpnt->dev;
>> + int ret;
>> +
>> + ret = snd_soc_add_component_controls(cmpnt,
>> + sun8i_codec_headphone_controls,
>> + ARRAY_SIZE(sun8i_codec_headphone_controls));
>> + if (ret) {
>> + dev_err(dev, "Failed to add Headphone controls: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_headphone_widgets,
>> + ARRAY_SIZE(sun8i_codec_headphone_widgets));
>> + if (ret) {
>> + dev_err(dev, "Failed to add Headphone DAPM widgets: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_headphone_routes,
>> + ARRAY_SIZE(sun8i_codec_headphone_routes));
>> + if (ret) {
>> + dev_err(dev, "Failed to add Headphone DAPM routes: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +/* hmic specific widget */
>> +static const struct snd_soc_dapm_widget sun8i_codec_hmic_widgets[] = {
>> + SND_SOC_DAPM_SUPPLY("HBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
>> + SUN8I_ADDA_MIC1G_MICBIAS_CTRL_HMICBIASEN,
>> + 0, NULL, 0),
>> +};
>> +
>> +static int sun8i_codec_add_hmic(struct snd_soc_component *cmpnt)
>> +{
>> + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
>> + struct device *dev = cmpnt->dev;
>> + int ret;
>> +
>> + ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_hmic_widgets,
>> + ARRAY_SIZE(sun8i_codec_hmic_widgets));
>> + if (ret)
>> + dev_err(dev, "Failed to add Mic3 DAPM widgets: %d\n", ret);
>> +
>> + return ret;
>> +}
>> +
>> +/* line out specific controls, widgets and routes */
>> +static const DECLARE_TLV_DB_RANGE(sun8i_codec_lineout_vol_scale,
>> + 0, 1, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
>> + 2, 31, TLV_DB_SCALE_ITEM(-4350, 150, 0),
>> +);
>> +static const struct snd_kcontrol_new sun8i_codec_lineout_controls[] = {
>> + SOC_SINGLE_TLV("Line Out Playback Volume",
>> + SUN8I_ADDA_PHONE_GAIN_CTRL,
>> + SUN8I_ADDA_PHONE_GAIN_CTRL_LINEOUT_VOL, 0x1f, 0,
>> + sun8i_codec_lineout_vol_scale),
>> + SOC_DOUBLE("Line Out Playback Switch",
>> + SUN8I_ADDA_MIC2G_CTRL,
>> + SUN8I_ADDA_MIC2G_CTRL_LINEOUTLEN,
>> + SUN8I_ADDA_MIC2G_CTRL_LINEOUTREN, 1, 0),
>> +};
>> +
>> +static const char * const sun8i_codec_lineout_src_enum_text[] = {
>> + "Stereo", "Mono Differential",
>> +};
>> +
>> +static SOC_ENUM_DOUBLE_DECL(sun8i_codec_lineout_src_enum,
>> + SUN8I_ADDA_MIC2G_CTRL,
>> + SUN8I_ADDA_MIC2G_CTRL_LINEOUTLSRC,
>> + SUN8I_ADDA_MIC2G_CTRL_LINEOUTRSRC,
>> + sun8i_codec_lineout_src_enum_text);
>> +
>> +static const struct snd_kcontrol_new sun8i_codec_lineout_src[] = {
>> + SOC_DAPM_ENUM("Line Out Source Playback Route",
>> + sun8i_codec_lineout_src_enum),
>> +};
>> +
>> +static const struct snd_soc_dapm_widget sun8i_codec_lineout_widgets[] = {
>> + SND_SOC_DAPM_MUX("Line Out Source Playback Route",
>> + SND_SOC_NOPM, 0, 0, sun8i_codec_lineout_src),
>> + /* It is unclear if this is a buffer or gate, model it as a supply */
>> + SND_SOC_DAPM_SUPPLY("Line Out Enable", SUN8I_ADDA_PAEN_HP_CTRL,
>> + SUN8I_ADDA_PAEN_HP_CTRL_LINEOUTEN, 0, NULL, 0),
>> + SND_SOC_DAPM_OUTPUT("LINEOUT"),
>> +};
>> +
>> +static const struct snd_soc_dapm_route sun8i_codec_lineout_routes[] = {
>> + { "Line Out Source Playback Route", "Stereo", "Left Mixer" },
>> + { "Line Out Source Playback Route", "Stereo", "Right Mixer" },
>> + { "Line Out Source Playback Route", "Mono Differential", "Left Mixer" },
>> + { "Line Out Source Playback Route", "Mono Differential", "Right Mixer" },
>> + { "LINEOUT", NULL, "Line Out Source Playback Route" },
>> + { "LINEOUT", NULL, "Line Out Enable", },
>> +};
>> +
>> +static int sun8i_codec_add_lineout(struct snd_soc_component *cmpnt)
>> +{
>> + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
>> + struct device *dev = cmpnt->dev;
>> + int ret;
>> +
>> + ret = snd_soc_add_component_controls(cmpnt,
>> + sun8i_codec_lineout_controls,
>> + ARRAY_SIZE(sun8i_codec_lineout_controls));
>> + if (ret) {
>> + dev_err(dev, "Failed to add Line Out controls: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_lineout_widgets,
>> + ARRAY_SIZE(sun8i_codec_lineout_widgets));
>> + if (ret) {
>> + dev_err(dev, "Failed to add Line Out DAPM widgets: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_lineout_routes,
>> + ARRAY_SIZE(sun8i_codec_lineout_routes));
>> + if (ret) {
>> + dev_err(dev, "Failed to add Line Out DAPM routes: %d\n", ret);
>> + return ret;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +struct sun8i_codec_analog_quirks {
>> + bool has_headphone;
>> + bool has_hmic;
>> + bool has_lineout;
>> +};
>> +
>> +static const struct sun8i_codec_analog_quirks sun8i_a23_quirks = {
>> + .has_headphone = true,
>> + .has_hmic = true,
>> +};
>> +
>> +static const struct sun8i_codec_analog_quirks sun8i_h3_quirks = {
>> + .has_lineout = true,
>> +};
>> +
>> +static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
>> +{
>> + struct device *dev = cmpnt->dev;
>> + const struct sun8i_codec_analog_quirks *quirks;
>> + int ret;
>> +
>> + /*
>> + * This would never return NULL unless someone directly registers a
>> + * platform device matching this driver's name, without specifying a
>> + * device tree node.
>> + */
>> + quirks = of_device_get_match_data(dev);
>> +
>> + /* Add controls, widgets, and routes for individual features */
>> +
>> + if (quirks->has_headphone) {
>> + ret = sun8i_codec_add_headphone(cmpnt);
>> + if (ret)
>> + return ret;
>> + }
>> +
>> + if (quirks->has_hmic) {
>> + sun8i_codec_add_hmic(cmpnt);
>> + if (ret)
>> + return ret;
>> + }
>> +
>> + if (quirks->has_lineout) {
>> + ret = sun8i_codec_add_lineout(cmpnt);
>> + if (ret)
>> + return ret;
>> + }
>> +
>> + return 0;
>> +}
>> +
>> +static const struct snd_soc_component_driver sun8i_codec_analog_cmpnt_drv = {
>> + .controls = sun8i_codec_common_controls,
>> + .num_controls = ARRAY_SIZE(sun8i_codec_common_controls),
>> + .dapm_widgets = sun8i_codec_common_widgets,
>> + .num_dapm_widgets = ARRAY_SIZE(sun8i_codec_common_widgets),
>> + .dapm_routes = sun8i_codec_common_routes,
>> + .num_dapm_routes = ARRAY_SIZE(sun8i_codec_common_routes),
>> + .probe = sun8i_codec_analog_cmpnt_probe,
>> +};
>> +
>> +static const struct of_device_id sun8i_codec_analog_of_match[] = {
>> + {
>> + .compatible = "allwinner,sun8i-a23-codec-analog",
>> + .data = &sun8i_a23_quirks,
>> + },
>> + {
>> + .compatible = "allwinner,sun8i-h3-codec-analog",
>> + .data = &sun8i_h3_quirks,
>> + },
>> + {}
>> +};
>> +MODULE_DEVICE_TABLE(of, sun8i_codec_analog_of_match);
>> +
>> +static int sun8i_codec_analog_probe(struct platform_device *pdev)
>> +{
>> + struct resource *res;
>> + struct regmap *regmap;
>> + void __iomem *base;
>> +
>> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> + base = devm_ioremap_resource(&pdev->dev, res);
>> + if (IS_ERR(base)) {
>> + dev_err(&pdev->dev, "Failed to map the registers\n");
>> + return PTR_ERR(base);
>> + }
>> +
>> + regmap = devm_regmap_init(&pdev->dev, NULL, base, &adda_pr_regmap_cfg);
>> + if (IS_ERR(regmap)) {
>> + dev_err(&pdev->dev, "Failed to create regmap\n");
>> + return PTR_ERR(regmap);
>> + }
>> +
>> + return devm_snd_soc_register_component(&pdev->dev,
>> + &sun8i_codec_analog_cmpnt_drv,
>> + NULL, 0);
>> +}
>> +
>> +static struct platform_driver sun8i_codec_analog_driver = {
>> + .driver = {
>> + .name = "sun8i-codec-analog",
>> + .of_match_table = sun8i_codec_analog_of_match,
>> + },
>> + .probe = sun8i_codec_analog_probe,
>> +};
>> +module_platform_driver(sun8i_codec_analog_driver);
>> +
>> +MODULE_DESCRIPTION("Allwinner internal codec analog controls driver");
>> +MODULE_AUTHOR("Chen-Yu Tsai <wens@...e.org>");
>> +MODULE_LICENSE("GPL");
>> +MODULE_ALIAS("platform:sun8i-codec-analog");
>> --
>> 2.10.2
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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