This patch adds EVEA codec driver. This codec core is in inside of UniPhier SoC.
Signed-off-by: Katsuhiro Suzuki suzuki.katsuhiro@socionext.com --- sound/soc/Kconfig | 1 + sound/soc/Makefile | 1 + sound/soc/uniphier/Kconfig | 19 ++ sound/soc/uniphier/Makefile | 3 + sound/soc/uniphier/evea.c | 567 ++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 591 insertions(+) create mode 100644 sound/soc/uniphier/Kconfig create mode 100644 sound/soc/uniphier/Makefile create mode 100644 sound/soc/uniphier/evea.c
diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig index d22758165496..84c3582f3982 100644 --- a/sound/soc/Kconfig +++ b/sound/soc/Kconfig @@ -71,6 +71,7 @@ source "sound/soc/stm/Kconfig" source "sound/soc/sunxi/Kconfig" source "sound/soc/tegra/Kconfig" source "sound/soc/txx9/Kconfig" +source "sound/soc/uniphier/Kconfig" source "sound/soc/ux500/Kconfig" source "sound/soc/xtensa/Kconfig" source "sound/soc/zte/Kconfig" diff --git a/sound/soc/Makefile b/sound/soc/Makefile index 5327f4d6c668..74cd1858d38b 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -55,6 +55,7 @@ obj-$(CONFIG_SND_SOC) += stm/ obj-$(CONFIG_SND_SOC) += sunxi/ obj-$(CONFIG_SND_SOC) += tegra/ obj-$(CONFIG_SND_SOC) += txx9/ +obj-$(CONFIG_SND_SOC) += uniphier/ obj-$(CONFIG_SND_SOC) += ux500/ obj-$(CONFIG_SND_SOC) += xtensa/ obj-$(CONFIG_SND_SOC) += zte/ diff --git a/sound/soc/uniphier/Kconfig b/sound/soc/uniphier/Kconfig new file mode 100644 index 000000000000..02886a457eaf --- /dev/null +++ b/sound/soc/uniphier/Kconfig @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: GPL-2.0 +config SND_SOC_UNIPHIER + tristate "ASoC support for UniPhier" + depends on (ARCH_UNIPHIER || COMPILE_TEST) + help + Say Y or M if you want to add support for the Socionext + UniPhier SoC audio interfaces. You will also need to select the + audio interfaces to support below. + If unsure select "N". + +config SND_SOC_UNIPHIER_EVEA_CODEC + tristate "UniPhier SoC internal audio codec" + depends on SND_SOC_UNIPHIER + select REGMAP_MMIO + help + This adds Codec driver for Socionext UniPhier LD11/20 SoC + internal DAC. This driver supports Line In / Out and HeadPhone. + Select Y if you use such device. + If unsure select "N". diff --git a/sound/soc/uniphier/Makefile b/sound/soc/uniphier/Makefile new file mode 100644 index 000000000000..3be00d72f5e5 --- /dev/null +++ b/sound/soc/uniphier/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 +snd-soc-uniphier-evea-objs := evea.o +obj-$(CONFIG_SND_SOC_UNIPHIER_EVEA_CODEC) += snd-soc-uniphier-evea.o diff --git a/sound/soc/uniphier/evea.c b/sound/soc/uniphier/evea.c new file mode 100644 index 000000000000..0cc9efff1d9a --- /dev/null +++ b/sound/soc/uniphier/evea.c @@ -0,0 +1,567 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Socionext UniPhier EVEA ADC/DAC codec driver. + * + * Copyright (c) 2016-2017 Socionext Inc. + * + * 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; version 2 + * of the License. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see http://www.gnu.org/licenses/. + */ + +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regmap.h> +#include <linux/reset.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#define DRV_NAME "evea" +#define EVEA_RATES SNDRV_PCM_RATE_48000 +#define EVEA_FORMATS SNDRV_PCM_FMTBIT_S32_LE + +#define AADCPOW(n) (0x0078 + 0x04 * (n)) +#define AADCPOW_AADC_POWD BIT(0) +#define AHPOUTPOW 0x0098 +#define AHPOUTPOW_HP_ON BIT(4) +#define ALINEPOW 0x009c +#define ALINEPOW_LIN2_POWD BIT(3) +#define ALINEPOW_LIN1_POWD BIT(4) +#define ALO1OUTPOW 0x00a8 +#define ALO1OUTPOW_LO1_ON BIT(4) +#define ALO2OUTPOW 0x00ac +#define ALO2OUTPOW_ADAC2_MUTE BIT(0) +#define ALO2OUTPOW_LO2_ON BIT(4) +#define AANAPOW 0x00b8 +#define AANAPOW_A_POWD BIT(4) +#define ADACSEQ1(n) (0x0144 + 0x40 * (n)) +#define ADACSEQ1_MMUTE BIT(1) +#define ADACSEQ2(n) (0x0160 + 0x40 * (n)) +#define ADACSEQ2_ADACIN_FIX BIT(0) +#define ADAC1ODC 0x0200 +#define ADAC1ODC_HP_DIS_RES_MASK GENMASK(2, 1) +#define ADAC1ODC_HP_DIS_RES_OFF (0x0 << 1) +#define ADAC1ODC_HP_DIS_RES_ON (0x3 << 1) +#define ADAC1ODC_ADAC_RAMPCLT_MASK GENMASK(8, 7) +#define ADAC1ODC_ADAC_RAMPCLT_NORMAL (0x0 << 7) +#define ADAC1ODC_ADAC_RAMPCLT_REDUCE (0x1 << 7) + +struct evea_priv { + struct clk *clk, *clk_exiv; + struct reset_control *rst, *rst_exiv, *rst_adamv; + struct regmap *regmap; + + int switch_lin; + int switch_lo; + int switch_hp; +}; + +static const struct snd_soc_dapm_widget evea_widgets[] = { + SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_INPUT("LIN1_LP"), + SND_SOC_DAPM_INPUT("LIN1_RP"), + SND_SOC_DAPM_INPUT("LIN2_LP"), + SND_SOC_DAPM_INPUT("LIN2_RP"), + SND_SOC_DAPM_INPUT("LIN3_LP"), + SND_SOC_DAPM_INPUT("LIN3_RP"), + + SND_SOC_DAPM_DAC("DAC", "Playback", SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_OUTPUT("HP1_L"), + SND_SOC_DAPM_OUTPUT("HP1_R"), + SND_SOC_DAPM_OUTPUT("LO2_L"), + SND_SOC_DAPM_OUTPUT("LO2_R"), +}; + +static const struct snd_soc_dapm_route evea_routes[] = { + { "ADC", NULL, "LIN1_LP" }, + { "ADC", NULL, "LIN1_RP" }, + { "ADC", NULL, "LIN2_LP" }, + { "ADC", NULL, "LIN2_RP" }, + { "ADC", NULL, "LIN3_LP" }, + { "ADC", NULL, "LIN3_RP" }, + + { "HP1_L", NULL, "DAC" }, + { "HP1_R", NULL, "DAC" }, + { "LO2_L", NULL, "DAC" }, + { "LO2_R", NULL, "DAC" }, +}; + +static void evea_set_power_state_on(struct evea_priv *evea) +{ + struct regmap *map = evea->regmap; + + regmap_update_bits(map, AANAPOW, AANAPOW_A_POWD, + AANAPOW_A_POWD); + + regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, + ADAC1ODC_HP_DIS_RES_ON); + + regmap_update_bits(map, ADAC1ODC, ADAC1ODC_ADAC_RAMPCLT_MASK, + ADAC1ODC_ADAC_RAMPCLT_REDUCE); + + regmap_update_bits(map, ADACSEQ2(0), ADACSEQ2_ADACIN_FIX, 0); + regmap_update_bits(map, ADACSEQ2(1), ADACSEQ2_ADACIN_FIX, 0); + regmap_update_bits(map, ADACSEQ2(2), ADACSEQ2_ADACIN_FIX, 0); +} + +static void evea_set_power_state_off(struct evea_priv *evea) +{ + struct regmap *map = evea->regmap; + + regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, + ADAC1ODC_HP_DIS_RES_ON); + + regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, + ADACSEQ1_MMUTE); + regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, + ADACSEQ1_MMUTE); + regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, + ADACSEQ1_MMUTE); + + regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0); + regmap_update_bits(map, ALO2OUTPOW, ALO2OUTPOW_LO2_ON, 0); + regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0); +} + +static int evea_update_switch_lin(struct evea_priv *evea) +{ + struct regmap *map = evea->regmap; + + if (evea->switch_lin) { + regmap_update_bits(map, ALINEPOW, + ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD, + ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD); + + regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD, + AADCPOW_AADC_POWD); + regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD, + AADCPOW_AADC_POWD); + } else { + regmap_update_bits(map, AADCPOW(0), AADCPOW_AADC_POWD, 0); + regmap_update_bits(map, AADCPOW(1), AADCPOW_AADC_POWD, 0); + + regmap_update_bits(map, ALINEPOW, + ALINEPOW_LIN2_POWD | ALINEPOW_LIN1_POWD, 0); + } + + return 0; +} + +static int evea_update_switch_lo(struct evea_priv *evea) +{ + struct regmap *map = evea->regmap; + + if (evea->switch_lo) { + regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, 0); + regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, 0); + + regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, + ALO1OUTPOW_LO1_ON); + regmap_update_bits(map, ALO2OUTPOW, + ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON, + ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON); + } else { + regmap_update_bits(map, ADACSEQ1(0), ADACSEQ1_MMUTE, + ADACSEQ1_MMUTE); + regmap_update_bits(map, ADACSEQ1(2), ADACSEQ1_MMUTE, + ADACSEQ1_MMUTE); + + regmap_update_bits(map, ALO1OUTPOW, ALO1OUTPOW_LO1_ON, 0); + regmap_update_bits(map, ALO2OUTPOW, + ALO2OUTPOW_ADAC2_MUTE | ALO2OUTPOW_LO2_ON, + 0); + } + + return 0; +} + +static int evea_update_switch_hp(struct evea_priv *evea) +{ + struct regmap *map = evea->regmap; + + if (evea->switch_hp) { + regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, 0); + + regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, + AHPOUTPOW_HP_ON); + + regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, + ADAC1ODC_HP_DIS_RES_OFF); + } else { + regmap_update_bits(map, ADAC1ODC, ADAC1ODC_HP_DIS_RES_MASK, + ADAC1ODC_HP_DIS_RES_ON); + + regmap_update_bits(map, ADACSEQ1(1), ADACSEQ1_MMUTE, + ADACSEQ1_MMUTE); + + regmap_update_bits(map, AHPOUTPOW, AHPOUTPOW_HP_ON, 0); + } + + return 0; +} + +static void evea_update_switch_all(struct evea_priv *evea) +{ + evea_update_switch_lin(evea); + evea_update_switch_lo(evea); + evea_update_switch_hp(evea); +} + +static int evea_get_switch_lin(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + ucontrol->value.integer.value[0] = evea->switch_lin; + + return 0; +} + +static int evea_set_switch_lin(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + if (evea->switch_lin == ucontrol->value.integer.value[0]) + return 0; + + evea->switch_lin = ucontrol->value.integer.value[0]; + + return evea_update_switch_lin(evea); +} + +static int evea_get_switch_lo(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + ucontrol->value.integer.value[0] = evea->switch_lo; + + return 0; +} + +static int evea_set_switch_lo(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + if (evea->switch_lo == ucontrol->value.integer.value[0]) + return 0; + + evea->switch_lo = ucontrol->value.integer.value[0]; + + return evea_update_switch_lo(evea); +} + +static int evea_get_switch_hp(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + ucontrol->value.integer.value[0] = evea->switch_hp; + + return 0; +} + +static int evea_set_switch_hp(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + if (evea->switch_hp == ucontrol->value.integer.value[0]) + return 0; + + evea->switch_hp = ucontrol->value.integer.value[0]; + + return evea_update_switch_hp(evea); +} + +static const struct snd_kcontrol_new eva_controls[] = { + SOC_SINGLE_BOOL_EXT("Line Capture Switch", 0, + evea_get_switch_lin, evea_set_switch_lin), + SOC_SINGLE_BOOL_EXT("Line Playback Switch", 0, + evea_get_switch_lo, evea_set_switch_lo), + SOC_SINGLE_BOOL_EXT("Headphone Playback Switch", 0, + evea_get_switch_hp, evea_set_switch_hp), +}; + +static int evea_codec_probe(struct snd_soc_codec *codec) +{ + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + evea->switch_lin = 1; + evea->switch_lo = 1; + evea->switch_hp = 1; + + evea_set_power_state_on(evea); + evea_update_switch_all(evea); + + return 0; +} + +static int evea_codec_suspend(struct snd_soc_codec *codec) +{ + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + + evea_set_power_state_off(evea); + + reset_control_assert(evea->rst_adamv); + reset_control_assert(evea->rst_exiv); + reset_control_assert(evea->rst); + + clk_disable_unprepare(evea->clk_exiv); + clk_disable_unprepare(evea->clk); + + return 0; +} + +static int evea_codec_resume(struct snd_soc_codec *codec) +{ + struct evea_priv *evea = snd_soc_codec_get_drvdata(codec); + int ret; + + ret = clk_prepare_enable(evea->clk); + if (ret) + return ret; + + ret = clk_prepare_enable(evea->clk_exiv); + if (ret) + goto err_out_clock; + + ret = reset_control_deassert(evea->rst); + if (ret) + goto err_out_clock_exiv; + + ret = reset_control_deassert(evea->rst_exiv); + if (ret) + goto err_out_reset; + + ret = reset_control_deassert(evea->rst_adamv); + if (ret) + goto err_out_reset_exiv; + + evea_set_power_state_on(evea); + evea_update_switch_all(evea); + + return 0; + +err_out_reset_exiv: + reset_control_assert(evea->rst_exiv); + +err_out_reset: + reset_control_assert(evea->rst); + +err_out_clock_exiv: + clk_disable_unprepare(evea->clk_exiv); + +err_out_clock: + clk_disable_unprepare(evea->clk); + + return ret; +} + +static struct snd_soc_codec_driver soc_codec_evea = { + .probe = evea_codec_probe, + .suspend = evea_codec_suspend, + .resume = evea_codec_resume, + + .component_driver = { + .dapm_widgets = evea_widgets, + .num_dapm_widgets = ARRAY_SIZE(evea_widgets), + .dapm_routes = evea_routes, + .num_dapm_routes = ARRAY_SIZE(evea_routes), + .controls = eva_controls, + .num_controls = ARRAY_SIZE(eva_controls), + }, +}; + +static struct snd_soc_dai_driver soc_dai_evea[] = { + { + .name = DRV_NAME "-line1", + .playback = { + .stream_name = "Line Out 1", + .formats = EVEA_FORMATS, + .rates = EVEA_RATES, + .channels_min = 2, + .channels_max = 2, + }, + .capture = { + .stream_name = "Line In 1", + .formats = EVEA_FORMATS, + .rates = EVEA_RATES, + .channels_min = 2, + .channels_max = 2, + }, + }, + { + .name = DRV_NAME "-hp1", + .playback = { + .stream_name = "Headphone 1", + .formats = EVEA_FORMATS, + .rates = EVEA_RATES, + .channels_min = 2, + .channels_max = 2, + }, + }, + { + .name = DRV_NAME "-lo2", + .playback = { + .stream_name = "Line Out 2", + .formats = EVEA_FORMATS, + .rates = EVEA_RATES, + .channels_min = 2, + .channels_max = 2, + }, + }, +}; + +static const struct regmap_config evea_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .max_register = 0xffc, + .cache_type = REGCACHE_NONE, +}; + +static int evea_probe(struct platform_device *pdev) +{ + struct evea_priv *evea; + struct resource *res; + void __iomem *preg; + int ret; + + evea = devm_kzalloc(&pdev->dev, sizeof(struct evea_priv), GFP_KERNEL); + if (!evea) + return -ENOMEM; + + evea->clk = devm_clk_get(&pdev->dev, "evea"); + if (IS_ERR(evea->clk)) + return PTR_ERR(evea->clk); + + evea->clk_exiv = devm_clk_get(&pdev->dev, "exiv"); + if (IS_ERR(evea->clk_exiv)) + return PTR_ERR(evea->clk_exiv); + + evea->rst = devm_reset_control_get_shared(&pdev->dev, "evea"); + if (IS_ERR(evea->rst)) + return PTR_ERR(evea->rst); + + evea->rst_exiv = devm_reset_control_get_shared(&pdev->dev, "exiv"); + if (IS_ERR(evea->rst_exiv)) + return PTR_ERR(evea->rst_exiv); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + preg = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(preg)) + return PTR_ERR(preg); + + evea->regmap = devm_regmap_init_mmio(&pdev->dev, preg, + &evea_regmap_config); + if (IS_ERR(evea->regmap)) + return PTR_ERR(evea->regmap); + + ret = clk_prepare_enable(evea->clk); + if (ret) + return ret; + + ret = clk_prepare_enable(evea->clk_exiv); + if (ret) + goto err_out_clock; + + ret = reset_control_deassert(evea->rst); + if (ret) + goto err_out_clock_exiv; + + ret = reset_control_deassert(evea->rst_exiv); + if (ret) + goto err_out_reset; + + /* ADAMV will hangup if EXIV reset is asserted */ + evea->rst_adamv = devm_reset_control_get_shared(&pdev->dev, "adamv"); + if (IS_ERR(evea->rst_adamv)) { + ret = PTR_ERR(evea->rst_adamv); + goto err_out_reset_exiv; + } + + ret = reset_control_deassert(evea->rst_adamv); + if (ret) + goto err_out_reset_exiv; + + platform_set_drvdata(pdev, evea); + + ret = snd_soc_register_codec(&pdev->dev, &soc_codec_evea, + soc_dai_evea, ARRAY_SIZE(soc_dai_evea)); + if (ret) + goto err_out_reset_adamv; + + return 0; + +err_out_reset_adamv: + reset_control_assert(evea->rst_adamv); + +err_out_reset_exiv: + reset_control_assert(evea->rst_exiv); + +err_out_reset: + reset_control_assert(evea->rst); + +err_out_clock_exiv: + clk_disable_unprepare(evea->clk_exiv); + +err_out_clock: + clk_disable_unprepare(evea->clk); + + return ret; +} + +static int evea_remove(struct platform_device *pdev) +{ + struct evea_priv *evea = platform_get_drvdata(pdev); + + snd_soc_unregister_codec(&pdev->dev); + + reset_control_assert(evea->rst_adamv); + reset_control_assert(evea->rst_exiv); + reset_control_assert(evea->rst); + + clk_disable_unprepare(evea->clk_exiv); + clk_disable_unprepare(evea->clk); + + return 0; +} + +static const struct of_device_id evea_of_match[] = { + { .compatible = "socionext,uniphier-evea", }, + {} +}; +MODULE_DEVICE_TABLE(of, evea_of_match); + +static struct platform_driver evea_codec_driver = { + .driver = { + .name = DRV_NAME, + .of_match_table = of_match_ptr(evea_of_match), + }, + .probe = evea_probe, + .remove = evea_remove, +}; +module_platform_driver(evea_codec_driver); + +MODULE_AUTHOR("Katsuhiro Suzuki suzuki.katsuhiro@socionext.com"); +MODULE_DESCRIPTION("UniPhier EVEA codec driver"); +MODULE_LICENSE("GPL v2");