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build/patch/kernel/archive/rockchip64-4.4/check/0061-Support-some-HiFiBerry-sound-cards.patch

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添加构建Allwinner H616四核2GB RAM SoC WiFi（蓝莓）
2023-09-19 11:24:52 +08:00
From 90239a61ca39429e8333038d617345c13210caa0 Mon Sep 17 00:00:00 2001
From: brian <brian@vamrs.com>
Date: Tue, 2 Jul 2019 17:19:19 +0800
Subject: [PATCH 61/97] Support some HiFiBerry sound cards.
Support List:
HiFiBerry DAC+ Light
HiFiBerry DAC+ Standard(RCA)
Signed-off-by: brian <brian@vamrs.com>
---
.../dts/rockchip/overlays-rockpi4/Makefile | 4 +-
.../hifiberry-dac-overlay.dts | 34 ++
.../hifiberry-dacplus-overlay.dts | 60 +++
.../rockchip/overlays-rockpi4/hw_intfc.conf | 6 +
.../boot/dts/rockchip/rockpi-4b-linux.dts | 9 +
arch/arm64/configs/rockchip_linux_defconfig | 2 +
drivers/clk/Makefile | 1 +
drivers/clk/clk-hifiberry-dacpro.c | 161 ++++++++
sound/soc/codecs/Kconfig | 4 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/pcm5102a.c | 68 ++++
sound/soc/codecs/pcm512x.c | 17 +-
sound/soc/rockchip/Kconfig | 12 +
sound/soc/rockchip/Makefile | 6 +
sound/soc/rockchip/hifiberry_dac.c | 135 +++++++
sound/soc/rockchip/hifiberry_dacplus.c | 379 ++++++++++++++++++
16 files changed, 892 insertions(+), 8 deletions(-)
create mode 100755 arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dac-overlay.dts
create mode 100755 arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dacplus-overlay.dts
create mode 100644 drivers/clk/clk-hifiberry-dacpro.c
create mode 100755 sound/soc/codecs/pcm5102a.c
create mode 100755 sound/soc/rockchip/hifiberry_dac.c
create mode 100755 sound/soc/rockchip/hifiberry_dacplus.c
diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile
index aeeb2218930c..98ac32ab75ad 100644
--- a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/Makefile
@@ -10,7 +10,9 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
pcie-gen2.dtbo \
spi1-waveshare35c.dtbo \
spi1-waveshare35b-v2.dtbo \
- spi1-flash.dtbo
+ spi1-flash.dtbo \
+ hifiberry-dac.dtbo \
+ hifiberry-dacplus.dtbo
targets += dtbs dtbs_install
targets += $(dtbo-y)
diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dac-overlay.dts b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dac-overlay.dts
new file mode 100755
index 000000000000..c15619c83e67
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dac-overlay.dts
@@ -0,0 +1,34 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "rockchip,rk3399";
+
+ fragment@0 {
+ target-path = "/";
+ __overlay__ {
+ pcm5102a-codec {
+ #sound-dai-cells = <0>;
+ compatible = "ti,pcm5102a";
+ status = "okay";
+ };
+ };
+ };
+
+ fragment@1 {
+ target-path = "/sound-ext-card";
+ __overlay__ {
+ compatible = "hifiberry,hifiberry-dac";
+ i2s-controller = <&i2s1>;
+ status = "okay";
+ };
+ };
+
+ fragment@2 {
+ target = <&i2s1>;
+ __overlay__ {
+ status = "okay";
+ #sound-dai-cells = <0>;
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dacplus-overlay.dts b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dacplus-overlay.dts
new file mode 100755
index 000000000000..a88bf4bfa7bf
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hifiberry-dacplus-overlay.dts
@@ -0,0 +1,60 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "rockchip,rk3399";
+
+ fragment@0 {
+ target-path = "/";
+ __overlay__ {
+ dacpro_osc: dacpro_osc {
+ compatible = "hifiberry,dacpro-clk";
+ #clock-cells = <0>;
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&i2c7>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ pcm5122@4d {
+ #sound-dai-cells = <0>;
+ compatible = "ti,pcm5122";
+ reg = <0x4d>;
+ clocks = <&dacpro_osc>;
+ AVDD-supply = <&vcc3v3_sys>;
+ DVDD-supply = <&vcc3v3_sys>;
+ CPVDD-supply = <&vcc3v3_sys>;
+ status = "okay";
+ };
+ };
+ };
+
+ fragment@2 {
+ target-path = "/sound-ext-card";
+
+ __overlay__ {
+ compatible = "hifiberry,hifiberry-dacplus";
+ i2s-controller = <&i2s1>;
+ status = "okay";
+ };
+ };
+
+ fragment@3 {
+ target = <&i2s1>;
+ __overlay__ {
+ status = "okay";
+ #sound-dai-cells = <0>;
+ };
+ };
+
+ __overrides__ {
+ 24db_digital_gain =
+ <&sound_ext_card>,"hifiberry,24db_digital_gain?";
+ slave = <&sound_ext_card>,"hifiberry-dacplus,slave?";
+ };
+};
diff --git a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf
index dff035656205..184e094caa6e 100644
--- a/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf
+++ b/arch/arm64/boot/dts/rockchip/overlays-rockpi4/hw_intfc.conf
@@ -46,3 +46,9 @@ intfc:dtoverlay=console-on-ttyS2
# spi flash on SPI1. Need set: intfc:uart4=off intfc:spi1=on
#intfc:dtoverlay=spi1-flash
+
+#hifiberry-dac
+#intfc:dtoverlay=hifiberry-dac
+
+#hifiberry-dacplus on I2C7. Need set: intfc:i2c7=on
+#intfc:dtoverlay=hifiberry-dacplus
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index e126e9b146b4..6738ddc78c94 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_ARCH_STM32) += clk-stm32f4.o
obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o
obj-$(CONFIG_ARCH_U300) += clk-u300.o
obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o
+obj-$(CONFIG_SND_SOC_HIFIBERRY_DACPLUS) += clk-hifiberry-dacpro.o
obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o
obj-$(CONFIG_COMMON_CLK_PWM) += clk-pwm.o
diff --git a/drivers/clk/clk-hifiberry-dacpro.c b/drivers/clk/clk-hifiberry-dacpro.c
new file mode 100644
index 000000000000..5dcc3d240410
--- /dev/null
+++ b/drivers/clk/clk-hifiberry-dacpro.c
@@ -0,0 +1,161 @@
+/*
+ * Clock Driver for HiFiBerry DAC Pro
+ *
+ * Author: Stuart MacLean
+ * Copyright 2015
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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/clk-provider.h>
+#include <linux/clkdev.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+
+/* Clock rate of CLK44EN attached to GPIO6 pin */
+#define CLK_44EN_RATE 22579200UL
+/* Clock rate of CLK48EN attached to GPIO3 pin */
+#define CLK_48EN_RATE 24576000UL
+
+/**
+ * struct hifiberry_dacpro_clk - Common struct to the HiFiBerry DAC Pro
+ * @hw: clk_hw for the common clk framework
+ * @mode: 0 => CLK44EN, 1 => CLK48EN
+ */
+struct clk_hifiberry_hw {
+ struct clk_hw hw;
+ uint8_t mode;
+};
+
+#define to_hifiberry_clk(_hw) container_of(_hw, struct clk_hifiberry_hw, hw)
+
+static const struct of_device_id clk_hifiberry_dacpro_dt_ids[] = {
+ { .compatible = "hifiberry,dacpro-clk",},
+ { }
+};
+MODULE_DEVICE_TABLE(of, clk_hifiberry_dacpro_dt_ids);
+
+static unsigned long clk_hifiberry_dacpro_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ return (to_hifiberry_clk(hw)->mode == 0) ? CLK_44EN_RATE :
+ CLK_48EN_RATE;
+}
+
+static long clk_hifiberry_dacpro_round_rate(struct clk_hw *hw,
+ unsigned long rate, unsigned long *parent_rate)
+{
+ long actual_rate;
+
+ if (rate <= CLK_44EN_RATE) {
+ actual_rate = (long)CLK_44EN_RATE;
+ } else if (rate >= CLK_48EN_RATE) {
+ actual_rate = (long)CLK_48EN_RATE;
+ } else {
+ long diff44Rate = (long)(rate - CLK_44EN_RATE);
+ long diff48Rate = (long)(CLK_48EN_RATE - rate);
+
+ if (diff44Rate < diff48Rate)
+ actual_rate = (long)CLK_44EN_RATE;
+ else
+ actual_rate = (long)CLK_48EN_RATE;
+ }
+ return actual_rate;
+}
+
+
+static int clk_hifiberry_dacpro_set_rate(struct clk_hw *hw,
+ unsigned long rate, unsigned long parent_rate)
+{
+ unsigned long actual_rate;
+ struct clk_hifiberry_hw *clk = to_hifiberry_clk(hw);
+
+ actual_rate = (unsigned long)clk_hifiberry_dacpro_round_rate(hw, rate,
+ &parent_rate);
+ clk->mode = (actual_rate == CLK_44EN_RATE) ? 0 : 1;
+ return 0;
+}
+
+
+const struct clk_ops clk_hifiberry_dacpro_rate_ops = {
+ .recalc_rate = clk_hifiberry_dacpro_recalc_rate,
+ .round_rate = clk_hifiberry_dacpro_round_rate,
+ .set_rate = clk_hifiberry_dacpro_set_rate,
+};
+
+static int clk_hifiberry_dacpro_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct clk_hifiberry_hw *proclk;
+ struct clk *clk;
+ struct device *dev;
+ struct clk_init_data init;
+
+ dev = &pdev->dev;
+
+ proclk = kzalloc(sizeof(struct clk_hifiberry_hw), GFP_KERNEL);
+ if (!proclk)
+ return -ENOMEM;
+
+ init.name = "clk-hifiberry-dacpro";
+ init.ops = &clk_hifiberry_dacpro_rate_ops;
+ //init.flags = CLK_IS_BASIC;
+ init.flags = CLK_IS_BASIC | CLK_IS_ROOT;
+ init.parent_names = NULL;
+ init.num_parents = 0;
+
+ proclk->mode = 0;
+ proclk->hw.init = &init;
+
+ clk = devm_clk_register(dev, &proclk->hw);
+ if (!IS_ERR(clk)) {
+ ret = of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
+ clk);
+ } else {
+ dev_err(dev, "Fail to register clock driver\n");
+ kfree(proclk);
+ ret = PTR_ERR(clk);
+ }
+ return ret;
+}
+
+static int clk_hifiberry_dacpro_remove(struct platform_device *pdev)
+{
+ of_clk_del_provider(pdev->dev.of_node);
+ return 0;
+}
+
+static struct platform_driver clk_hifiberry_dacpro_driver = {
+ .probe = clk_hifiberry_dacpro_probe,
+ .remove = clk_hifiberry_dacpro_remove,
+ .driver = {
+ .name = "clk-hifiberry-dacpro",
+ .of_match_table = clk_hifiberry_dacpro_dt_ids,
+ },
+};
+
+static int __init clk_hifiberry_dacpro_init(void)
+{
+ return platform_driver_register(&clk_hifiberry_dacpro_driver);
+}
+core_initcall(clk_hifiberry_dacpro_init);
+
+static void __exit clk_hifiberry_dacpro_exit(void)
+{
+ platform_driver_unregister(&clk_hifiberry_dacpro_driver);
+}
+module_exit(clk_hifiberry_dacpro_exit);
+
+MODULE_DESCRIPTION("HiFiBerry DAC Pro clock driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:clk-hifiberry-dacpro");
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 9a95b8b5ad8f..a9879e4f82d5 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -91,6 +91,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_PCM1681 if I2C
select SND_SOC_PCM1792A if SPI_MASTER
select SND_SOC_PCM3008
+ select SND_SOC_PCM5102A
select SND_SOC_PCM512x_I2C if I2C
select SND_SOC_PCM512x_SPI if SPI_MASTER
select SND_SOC_RK1000 if I2C
@@ -562,6 +563,9 @@ config SND_SOC_PCM1792A
config SND_SOC_PCM3008
tristate
+config SND_SOC_PCM5102A
+ tristate
+
config SND_SOC_PCM512x
tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 7fe7433f2643..76a36751ffc5 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -88,6 +88,7 @@ snd-soc-hdmi-codec-objs := hdmi-codec.o
snd-soc-pcm1681-objs := pcm1681.o
snd-soc-pcm1792a-codec-objs := pcm1792a.o
snd-soc-pcm3008-objs := pcm3008.o
+snd-soc-pcm5102a-objs := pcm5102a.o
snd-soc-pcm512x-objs := pcm512x.o
snd-soc-pcm512x-i2c-objs := pcm512x-i2c.o
snd-soc-pcm512x-spi-objs := pcm512x-spi.o
@@ -301,6 +302,7 @@ obj-$(CONFIG_SND_SOC_HDMI_CODEC) += snd-soc-hdmi-codec.o
obj-$(CONFIG_SND_SOC_PCM1681) += snd-soc-pcm1681.o
obj-$(CONFIG_SND_SOC_PCM1792A) += snd-soc-pcm1792a-codec.o
obj-$(CONFIG_SND_SOC_PCM3008) += snd-soc-pcm3008.o
+obj-$(CONFIG_SND_SOC_PCM5102A) += snd-soc-pcm5102a.o
obj-$(CONFIG_SND_SOC_PCM512x) += snd-soc-pcm512x.o
obj-$(CONFIG_SND_SOC_PCM512x_I2C) += snd-soc-pcm512x-i2c.o
obj-$(CONFIG_SND_SOC_PCM512x_SPI) += snd-soc-pcm512x-spi.o
diff --git a/sound/soc/codecs/pcm5102a.c b/sound/soc/codecs/pcm5102a.c
new file mode 100755
index 000000000000..8ba322a00363
--- /dev/null
+++ b/sound/soc/codecs/pcm5102a.c
@@ -0,0 +1,68 @@
+/*
+ * Driver for the PCM5102A codec
+ *
+ * Author: Florian Meier <florian.meier@koalo.de>
+ * Copyright 2013
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/soc.h>
+
+static struct snd_soc_dai_driver pcm5102a_dai = {
+ .name = "pcm5102a-hifi",
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_8000_192000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE
+ },
+};
+
+static struct snd_soc_codec_driver soc_codec_dev_pcm5102a;
+
+static int pcm5102a_probe(struct platform_device *pdev)
+{
+ return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_pcm5102a,
+ &pcm5102a_dai, 1);
+}
+
+static int pcm5102a_remove(struct platform_device *pdev)
+{
+ snd_soc_unregister_codec(&pdev->dev);
+ return 0;
+}
+
+static const struct of_device_id pcm5102a_of_match[] = {
+ { .compatible = "ti,pcm5102a", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, pcm5102a_of_match);
+
+static struct platform_driver pcm5102a_codec_driver = {
+ .probe = pcm5102a_probe,
+ .remove = pcm5102a_remove,
+ .driver = {
+ .name = "pcm5102a-codec",
+ .of_match_table = pcm5102a_of_match,
+ },
+};
+
+module_platform_driver(pcm5102a_codec_driver);
+
+MODULE_DESCRIPTION("ASoC PCM5102A codec driver");
+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c
index 047c48953a20..c6839ef6e167 100644
--- a/sound/soc/codecs/pcm512x.c
+++ b/sound/soc/codecs/pcm512x.c
@@ -854,7 +854,8 @@ static int pcm512x_set_dividers(struct snd_soc_dai *dai,
int fssp;
int gpio;
- lrclk_div = snd_soc_params_to_frame_size(params);
+ lrclk_div = snd_pcm_format_physical_width(params_format(params))
+ * params_channels(params);
if (lrclk_div == 0) {
dev_err(dev, "No LRCLK?\n");
return -EINVAL;
@@ -1348,12 +1349,14 @@ static struct snd_soc_codec_driver pcm512x_codec_driver = {
.set_bias_level = pcm512x_set_bias_level,
.idle_bias_off = true,
- .controls = pcm512x_controls,
- .num_controls = ARRAY_SIZE(pcm512x_controls),
- .dapm_widgets = pcm512x_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(pcm512x_dapm_widgets),
- .dapm_routes = pcm512x_dapm_routes,
- .num_dapm_routes = ARRAY_SIZE(pcm512x_dapm_routes),
+ .component_driver = {
+ .controls = pcm512x_controls,
+ .num_controls = ARRAY_SIZE(pcm512x_controls),
+ .dapm_widgets = pcm512x_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(pcm512x_dapm_widgets),
+ .dapm_routes = pcm512x_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(pcm512x_dapm_routes),
+ },
};
static const struct regmap_range_cfg pcm512x_range = {
diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig
index bace3696ac8f..7f9d9fbeb83f 100644
--- a/sound/soc/rockchip/Kconfig
+++ b/sound/soc/rockchip/Kconfig
@@ -140,3 +140,15 @@ config SND_SOC_ROCKCHIP_CDNDP
help
Say Y or M here if you want to add support for SoC audio on Rockchip
boards using CDN DP, such as RK3399 boards.
+
+config SND_SOC_HIFIBERRY_DAC
+ tristate "Support for HifiBerry DAC"
+ select SND_SOC_PCM5102A
+ help
+ Say Y or M if you want to add support for HifiBerry DAC.
+
+config SND_SOC_HIFIBERRY_DACPLUS
+ tristate "Support for HifiBerry DAC+"
+ select SND_SOC_PCM512x_I2C
+ help
+ Say Y or M if you want to add support for HifiBerry DAC+.
diff --git a/sound/soc/rockchip/Makefile b/sound/soc/rockchip/Makefile
index dd14ed554d9d..471612d89b44 100644
--- a/sound/soc/rockchip/Makefile
+++ b/sound/soc/rockchip/Makefile
@@ -21,6 +21,8 @@ obj-$(CONFIG_SND_SOC_ROCKCHIP_SPDIF) += snd-soc-rockchip-spdif.o
obj-$(CONFIG_SND_SOC_ROCKCHIP_SPDIFRX) += snd-soc-rockchip-spdifrx.o
obj-$(CONFIG_SND_SOC_ROCKCHIP_VAD) += snd-soc-rockchip-vad.o
+ccflags-y += -DROCKCHIP_AUDIO
+
snd-soc-rockchip-da7219-objs := rockchip_da7219.o
snd-soc-rockchip-hdmi-analog-objs := rockchip_hdmi_analog.o
snd-soc-rockchip-hdmi-dp-objs := rockchip_hdmi_dp.o
@@ -29,6 +31,8 @@ snd-soc-rockchip-multicodecs-objs := rockchip_multicodecs.o
snd-soc-rockchip-rt5645-objs := rockchip_rt5645.o
snd-soc-rockchip-rt5651-tc358749x-objs := rockchip_rt5651_tc358749x.o
snd-soc-rockchip-cdndp-objs := rockchip_cdndp.o
+snd-soc-hifiberry-dac-objs := hifiberry_dac.o
+snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o
obj-$(CONFIG_SND_SOC_ROCKCHIP_DA7219) += snd-soc-rockchip-da7219.o
obj-$(CONFIG_SND_SOC_ROCKCHIP_HDMI_ANALOG) += snd-soc-rockchip-hdmi-analog.o
@@ -38,3 +42,5 @@ obj-$(CONFIG_SND_SOC_ROCKCHIP_MULTICODECS) += snd-soc-rockchip-multicodecs.o
obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5645) += snd-soc-rockchip-rt5645.o
obj-$(CONFIG_SND_SOC_ROCKCHIP_RT5651_TC358749) += snd-soc-rockchip-rt5651-tc358749x.o
obj-$(CONFIG_SND_SOC_ROCKCHIP_CDNDP) += snd-soc-rockchip-cdndp.o
+obj-$(CONFIG_SND_SOC_HIFIBERRY_DAC) += snd-soc-hifiberry-dac.o
+obj-$(CONFIG_SND_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o
diff --git a/sound/soc/rockchip/hifiberry_dac.c b/sound/soc/rockchip/hifiberry_dac.c
new file mode 100755
index 000000000000..3a9f3104e68f
--- /dev/null
+++ b/sound/soc/rockchip/hifiberry_dac.c
@@ -0,0 +1,135 @@
+/*
+ * ASoC Driver for HifiBerry DAC
+ *
+ * Author: Florian Meier <florian.meier@koalo.de>
+ * Copyright 2013
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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/module.h>
+#include <linux/platform_device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+
+#ifdef ROCKCHIP_AUDIO
+#define ROCKCHIP_I2S_MCLK 512
+#endif
+
+static int snd_rpi_hifiberry_dac_init(struct snd_soc_pcm_runtime *rtd)
+{
+ return 0;
+}
+
+static int snd_rpi_hifiberry_dac_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+
+#ifdef ROCKCHIP_AUDIO
+ unsigned int mclk = params_rate(params) * ROCKCHIP_I2S_MCLK;
+
+ return snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
+ SND_SOC_CLOCK_OUT);
+#else
+ unsigned int sample_bits =
+ snd_pcm_format_physical_width(params_format(params));
+
+ return snd_soc_dai_set_bclk_ratio(cpu_dai, sample_bits * 2);
+#endif
+}
+
+/* machine stream operations */
+static struct snd_soc_ops snd_rpi_hifiberry_dac_ops = {
+ .hw_params = snd_rpi_hifiberry_dac_hw_params,
+};
+
+static struct snd_soc_dai_link snd_rpi_hifiberry_dac_dai[] = {
+{
+ .name = "HifiBerry DAC",
+ .stream_name = "HifiBerry DAC HiFi",
+ .cpu_dai_name = "bcm2708-i2s.0",
+ .codec_dai_name = "pcm5102a-hifi",
+ .platform_name = "bcm2708-i2s.0",
+ .codec_name = "pcm5102a-codec",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &snd_rpi_hifiberry_dac_ops,
+ .init = snd_rpi_hifiberry_dac_init,
+},
+};
+
+/* audio machine driver */
+static struct snd_soc_card snd_rpi_hifiberry_dac = {
+ .name = "snd_rpi_hifiberry_dac",
+ .driver_name = "HifiberryDac",
+ .owner = THIS_MODULE,
+ .dai_link = snd_rpi_hifiberry_dac_dai,
+ .num_links = ARRAY_SIZE(snd_rpi_hifiberry_dac_dai),
+};
+
+static int snd_rpi_hifiberry_dac_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+
+ snd_rpi_hifiberry_dac.dev = &pdev->dev;
+
+ if (pdev->dev.of_node) {
+ struct device_node *i2s_node;
+ struct snd_soc_dai_link *dai = &snd_rpi_hifiberry_dac_dai[0];
+ i2s_node = of_parse_phandle(pdev->dev.of_node,
+ "i2s-controller", 0);
+
+ if (i2s_node) {
+ dai->cpu_dai_name = NULL;
+ dai->cpu_of_node = i2s_node;
+ dai->platform_name = NULL;
+ dai->platform_of_node = i2s_node;
+ }
+ }
+
+ ret = snd_soc_register_card(&snd_rpi_hifiberry_dac);
+ if (ret && ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);
+
+ return ret;
+}
+
+static int snd_rpi_hifiberry_dac_remove(struct platform_device *pdev)
+{
+ return snd_soc_unregister_card(&snd_rpi_hifiberry_dac);
+}
+
+static const struct of_device_id snd_rpi_hifiberry_dac_of_match[] = {
+ { .compatible = "hifiberry,hifiberry-dac", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_dac_of_match);
+
+static struct platform_driver snd_rpi_hifiberry_dac_driver = {
+ .driver = {
+ .name = "snd-hifiberry-dac",
+ .owner = THIS_MODULE,
+ .of_match_table = snd_rpi_hifiberry_dac_of_match,
+ },
+ .probe = snd_rpi_hifiberry_dac_probe,
+ .remove = snd_rpi_hifiberry_dac_remove,
+};
+
+module_platform_driver(snd_rpi_hifiberry_dac_driver);
+
+MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
+MODULE_DESCRIPTION("ASoC Driver for HifiBerry DAC");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/rockchip/hifiberry_dacplus.c b/sound/soc/rockchip/hifiberry_dacplus.c
new file mode 100755
index 000000000000..cff49e0ecbc7
--- /dev/null
+++ b/sound/soc/rockchip/hifiberry_dacplus.c
@@ -0,0 +1,379 @@
+/*
+ * ASoC Driver for HiFiBerry DAC+ / DAC Pro
+ *
+ * Author: Daniel Matuschek, Stuart MacLean <stuart@hifiberry.com>
+ * Copyright 2014-2015
+ * based on code by Florian Meier <florian.meier@koalo.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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/module.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+
+#include "../codecs/pcm512x.h"
+
+#define HIFIBERRY_DACPRO_NOCLOCK 0
+#define HIFIBERRY_DACPRO_CLK44EN 1
+#define HIFIBERRY_DACPRO_CLK48EN 2
+
+#ifdef ROCKCHIP_AUDIO
+#define ROCKCHIP_I2S_MCLK 512
+#endif
+
+struct pcm512x_priv {
+ struct regmap *regmap;
+ struct clk *sclk;
+};
+
+/* Clock rate of CLK44EN attached to GPIO6 pin */
+#define CLK_44EN_RATE 22579200UL
+/* Clock rate of CLK48EN attached to GPIO3 pin */
+#define CLK_48EN_RATE 24576000UL
+
+static bool slave;
+static bool snd_rpi_hifiberry_is_dacpro;
+static bool digital_gain_0db_limit = true;
+
+static void snd_rpi_hifiberry_dacplus_select_clk(struct snd_soc_codec *codec,
+ int clk_id)
+{
+ switch (clk_id) {
+ case HIFIBERRY_DACPRO_NOCLOCK:
+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x24, 0x00);
+ break;
+ case HIFIBERRY_DACPRO_CLK44EN:
+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x24, 0x20);
+ break;
+ case HIFIBERRY_DACPRO_CLK48EN:
+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x24, 0x04);
+ break;
+ }
+}
+
+static void snd_rpi_hifiberry_dacplus_clk_gpio(struct snd_soc_codec *codec)
+{
+ snd_soc_update_bits(codec, PCM512x_GPIO_EN, 0x24, 0x24);
+ snd_soc_update_bits(codec, PCM512x_GPIO_OUTPUT_3, 0x0f, 0x02);
+ snd_soc_update_bits(codec, PCM512x_GPIO_OUTPUT_6, 0x0f, 0x02);
+}
+
+static bool snd_rpi_hifiberry_dacplus_is_sclk(struct snd_soc_codec *codec)
+{
+ int sck;
+
+ sck = snd_soc_read(codec, PCM512x_RATE_DET_4);
+ return (!(sck & 0x40));
+}
+
+static bool snd_rpi_hifiberry_dacplus_is_sclk_sleep(
+ struct snd_soc_codec *codec)
+{
+ msleep(2);
+ return snd_rpi_hifiberry_dacplus_is_sclk(codec);
+}
+
+static bool snd_rpi_hifiberry_dacplus_is_pro_card(struct snd_soc_codec *codec)
+{
+ bool isClk44EN, isClk48En, isNoClk;
+
+ snd_rpi_hifiberry_dacplus_clk_gpio(codec);
+
+ snd_rpi_hifiberry_dacplus_select_clk(codec, HIFIBERRY_DACPRO_CLK44EN);
+ isClk44EN = snd_rpi_hifiberry_dacplus_is_sclk_sleep(codec);
+
+ snd_rpi_hifiberry_dacplus_select_clk(codec, HIFIBERRY_DACPRO_NOCLOCK);
+ isNoClk = snd_rpi_hifiberry_dacplus_is_sclk_sleep(codec);
+
+ snd_rpi_hifiberry_dacplus_select_clk(codec, HIFIBERRY_DACPRO_CLK48EN);
+ isClk48En = snd_rpi_hifiberry_dacplus_is_sclk_sleep(codec);
+
+ return (isClk44EN && isClk48En && !isNoClk);
+}
+
+static int snd_rpi_hifiberry_dacplus_clk_for_rate(int sample_rate)
+{
+ int type;
+
+ switch (sample_rate) {
+ case 11025:
+ case 22050:
+ case 44100:
+ case 88200:
+ case 176400:
+ case 352800:
+ type = HIFIBERRY_DACPRO_CLK44EN;
+ break;
+ default:
+ type = HIFIBERRY_DACPRO_CLK48EN;
+ break;
+ }
+ return type;
+}
+
+static void snd_rpi_hifiberry_dacplus_set_sclk(struct snd_soc_codec *codec,
+ int sample_rate)
+{
+ struct pcm512x_priv *pcm512x = snd_soc_codec_get_drvdata(codec);
+
+ if (!IS_ERR(pcm512x->sclk)) {
+ int ctype;
+
+ ctype = snd_rpi_hifiberry_dacplus_clk_for_rate(sample_rate);
+ clk_set_rate(pcm512x->sclk, (ctype == HIFIBERRY_DACPRO_CLK44EN)
+ ? CLK_44EN_RATE : CLK_48EN_RATE);
+ snd_rpi_hifiberry_dacplus_select_clk(codec, ctype);
+ }
+}
+
+static int snd_rpi_hifiberry_dacplus_init(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_soc_codec *codec = rtd->codec;
+ struct pcm512x_priv *priv;
+
+ if (slave)
+ snd_rpi_hifiberry_is_dacpro = false;
+ else
+ snd_rpi_hifiberry_is_dacpro =
+ snd_rpi_hifiberry_dacplus_is_pro_card(codec);
+
+ if (snd_rpi_hifiberry_is_dacpro) {
+ struct snd_soc_dai_link *dai = rtd->dai_link;
+
+ dai->name = "HiFiBerry DAC+ Pro";
+ dai->stream_name = "HiFiBerry DAC+ Pro HiFi";
+ dai->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM;
+
+ snd_soc_update_bits(codec, PCM512x_BCLK_LRCLK_CFG, 0x31, 0x11);
+ snd_soc_update_bits(codec, PCM512x_MASTER_MODE, 0x03, 0x03);
+ snd_soc_update_bits(codec, PCM512x_MASTER_CLKDIV_2, 0x7f, 63);
+ } else {
+ priv = snd_soc_codec_get_drvdata(codec);
+ priv->sclk = ERR_PTR(-ENOENT);
+ }
+
+ snd_soc_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08);
+ snd_soc_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02);
+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08, 0x08);
+
+ if (digital_gain_0db_limit)
+ {
+ int ret;
+ struct snd_soc_card *card = rtd->card;
+
+ ret = snd_soc_limit_volume(card, "Digital Playback Volume", 207);
+ if (ret < 0)
+ dev_warn(card->dev, "Failed to set volume limit: %d\n", ret);
+ }
+
+ return 0;
+}
+
+static int snd_rpi_hifiberry_dacplus_update_rate_den(
+ struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+ struct pcm512x_priv *pcm512x = snd_soc_codec_get_drvdata(codec);
+ struct snd_ratnum *rats_no_pll;
+ unsigned int num = 0, den = 0;
+ int err;
+
+ rats_no_pll = devm_kzalloc(rtd->dev, sizeof(*rats_no_pll), GFP_KERNEL);
+ if (!rats_no_pll)
+ return -ENOMEM;
+
+ rats_no_pll->num = clk_get_rate(pcm512x->sclk) / 64;
+ rats_no_pll->den_min = 1;
+ rats_no_pll->den_max = 128;
+ rats_no_pll->den_step = 1;
+
+ err = snd_interval_ratnum(hw_param_interval(params,
+ SNDRV_PCM_HW_PARAM_RATE), 1, rats_no_pll, &num, &den);
+ if (err >= 0 && den) {
+ params->rate_num = num;
+ params->rate_den = den;
+ }
+
+ devm_kfree(rtd->dev, rats_no_pll);
+ return 0;
+}
+
+#ifndef ROCKCHIP_AUDIO
+static int snd_rpi_hifiberry_dacplus_set_bclk_ratio_pro(
+ struct snd_soc_dai *cpu_dai, struct snd_pcm_hw_params *params)
+{
+ int bratio = snd_pcm_format_physical_width(params_format(params))
+ * params_channels(params);
+ return snd_soc_dai_set_bclk_ratio(cpu_dai, bratio);
+}
+#endif
+
+static int snd_rpi_hifiberry_dacplus_hw_params(
+ struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
+{
+ int ret = 0;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+#ifdef ROCKCHIP_AUDIO
+ unsigned int mclk;
+#endif
+
+ if (snd_rpi_hifiberry_is_dacpro) {
+ struct snd_soc_codec *codec = rtd->codec;
+
+ snd_rpi_hifiberry_dacplus_set_sclk(codec,
+ params_rate(params));
+
+#ifndef ROCKCHIP_AUDIO
+ ret = snd_rpi_hifiberry_dacplus_set_bclk_ratio_pro(cpu_dai,
+ params);
+#endif
+
+ if (!ret)
+ ret = snd_rpi_hifiberry_dacplus_update_rate_den(
+ substream, params);
+
+ } else {
+#ifdef ROCKCHIP_AUDIO
+ mclk = params_rate(params) * ROCKCHIP_I2S_MCLK;
+ ret = snd_soc_dai_set_sysclk(cpu_dai, 0, mclk,
+ SND_SOC_CLOCK_OUT);
+#else
+ ret = snd_soc_dai_set_bclk_ratio(cpu_dai, 64);
+#endif
+ }
+ return ret;
+}
+
+static int snd_rpi_hifiberry_dacplus_startup(
+ struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08, 0x08);
+ return 0;
+}
+
+static void snd_rpi_hifiberry_dacplus_shutdown(
+ struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ snd_soc_update_bits(codec, PCM512x_GPIO_CONTROL_1, 0x08, 0x00);
+}
+
+/* machine stream operations */
+static struct snd_soc_ops snd_rpi_hifiberry_dacplus_ops = {
+ .hw_params = snd_rpi_hifiberry_dacplus_hw_params,
+ .startup = snd_rpi_hifiberry_dacplus_startup,
+ .shutdown = snd_rpi_hifiberry_dacplus_shutdown,
+};
+
+static struct snd_soc_dai_link snd_rpi_hifiberry_dacplus_dai[] = {
+{
+ .name = "HiFiBerry DAC+",
+ .stream_name = "HiFiBerry DAC+ HiFi",
+ .cpu_dai_name = "bcm2708-i2s.0",
+ .codec_dai_name = "pcm512x-hifi",
+ .platform_name = "bcm2708-i2s.0",
+ .codec_name = "pcm512x.7-004d",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ .ops = &snd_rpi_hifiberry_dacplus_ops,
+ .init = snd_rpi_hifiberry_dacplus_init,
+},
+};
+
+/* audio machine driver */
+static struct snd_soc_card snd_rpi_hifiberry_dacplus = {
+ .name = "snd_rpi_hifiberry_dacplus",
+ .driver_name = "HifiberryDacp",
+ .owner = THIS_MODULE,
+ .dai_link = snd_rpi_hifiberry_dacplus_dai,
+ .num_links = ARRAY_SIZE(snd_rpi_hifiberry_dacplus_dai),
+};
+
+static int snd_rpi_hifiberry_dacplus_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+
+ snd_rpi_hifiberry_dacplus.dev = &pdev->dev;
+ if (pdev->dev.of_node) {
+ struct device_node *i2s_node;
+ struct snd_soc_dai_link *dai;
+
+ dai = &snd_rpi_hifiberry_dacplus_dai[0];
+ i2s_node = of_parse_phandle(pdev->dev.of_node,
+ "i2s-controller", 0);
+
+ if (i2s_node) {
+ dai->cpu_dai_name = NULL;
+ dai->cpu_of_node = i2s_node;
+ dai->platform_name = NULL;
+ dai->platform_of_node = i2s_node;
+ }
+
+ digital_gain_0db_limit = !of_property_read_bool(
+ pdev->dev.of_node, "hifiberry,24db_digital_gain");
+ slave = of_property_read_bool(pdev->dev.of_node,
+ "hifiberry-dacplus,slave");
+ }
+
+ ret = snd_soc_register_card(&snd_rpi_hifiberry_dacplus);
+ if (ret && ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev,
+ "snd_soc_register_card() failed: %d\n", ret);
+
+ return ret;
+}
+
+static int snd_rpi_hifiberry_dacplus_remove(struct platform_device *pdev)
+{
+ return snd_soc_unregister_card(&snd_rpi_hifiberry_dacplus);
+}
+
+static const struct of_device_id snd_rpi_hifiberry_dacplus_of_match[] = {
+ { .compatible = "hifiberry,hifiberry-dacplus", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_dacplus_of_match);
+
+static struct platform_driver snd_rpi_hifiberry_dacplus_driver = {
+ .driver = {
+ .name = "snd-rpi-hifiberry-dacplus",
+ .owner = THIS_MODULE,
+ .of_match_table = snd_rpi_hifiberry_dacplus_of_match,
+ },
+ .probe = snd_rpi_hifiberry_dacplus_probe,
+ .remove = snd_rpi_hifiberry_dacplus_remove,
+};
+
+module_platform_driver(snd_rpi_hifiberry_dacplus_driver);
+
+MODULE_AUTHOR("Daniel Matuschek <daniel@hifiberry.com>");
+MODULE_DESCRIPTION("ASoC Driver for HiFiBerry DAC+");
+MODULE_LICENSE("GPL v2");
--
2.25.1
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