X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0630-adds-the-Hifiberry-DAC-ADC-PRO-version.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0630-adds-the-Hifiberry-DAC-ADC-PRO-version.patch;h=0000000000000000000000000000000000000000;hb=84d555aa74434392b682fd9eb0fa701c89a046d6;hp=427053d2dcafb7843f3a85be2ef8bf9e721c197c;hpb=953973c2991e8640549a55df7a0574a1abac8644;p=openwrt%2Fstaging%2Fchunkeey.git diff --git a/target/linux/brcm2708/patches-4.19/950-0630-adds-the-Hifiberry-DAC-ADC-PRO-version.patch b/target/linux/brcm2708/patches-4.19/950-0630-adds-the-Hifiberry-DAC-ADC-PRO-version.patch deleted file mode 100644 index 427053d2dc..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0630-adds-the-Hifiberry-DAC-ADC-PRO-version.patch +++ /dev/null @@ -1,701 +0,0 @@ -From bab5f8832c6b2859caea1cb5af1ffcb6276c2f74 Mon Sep 17 00:00:00 2001 -From: Joerg Schambacher -Date: Tue, 23 Jul 2019 16:57:35 +0200 -Subject: [PATCH] adds the Hifiberry DAC+ADC PRO version - -This adds the driver for the DAC+ADC PRO version of the Hifiberry soundcard with software controlled PCM1863 ADC -Signed-off-by: Joerg Schambacher joerg@i2audio.com ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 21 + - .../hifiberry-dacplusadcpro-overlay.dts | 64 +++ - sound/soc/bcm/Kconfig | 8 + - sound/soc/bcm/Makefile | 2 + - sound/soc/bcm/hifiberry_dacplusadcpro.c | 538 ++++++++++++++++++ - 9 files changed, 637 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/hifiberry-dacplusadcpro-overlay.dts - create mode 100644 sound/soc/bcm/hifiberry_dacplusadcpro.c - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -53,6 +53,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - hifiberry-dac.dtbo \ - hifiberry-dacplus.dtbo \ - hifiberry-dacplusadc.dtbo \ -+ hifiberry-dacplusadcpro.dtbo \ - hifiberry-digi.dtbo \ - hifiberry-digi-pro.dtbo \ - hy28a.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -883,6 +883,27 @@ Params: 24db_digital_gain Allow ga - master for bit clock and frame clock. - - -+Name: hifiberry-dacplusadcpro -+Info: Configures the HifiBerry DAC+ADC PRO audio card -+Load: dtoverlay=hifiberry-dacplusadcpro,= -+Params: 24db_digital_gain Allow gain to be applied via the PCM512x codec -+ Digital volume control. Enable with -+ "dtoverlay=hifiberry-dacplusadcpro,24db_digital_gain" -+ (The default behaviour is that the Digital -+ volume control is limited to a maximum of -+ 0dB. ie. it can attenuate but not provide -+ gain. For most users, this will be desired -+ as it will prevent clipping. By appending -+ the 24dB_digital_gain parameter, the Digital -+ volume control will allow up to 24dB of -+ gain. If this parameter is enabled, it is the -+ responsibility of the user to ensure that -+ the Digital volume control is set to a value -+ that does not result in clipping/distortion!) -+ slave Force DAC+ADC Pro into slave mode, using Pi as -+ master for bit clock and frame clock. -+ -+ - Name: hifiberry-digi - Info: Configures the HifiBerry Digi and Digi+ audio card - Load: dtoverlay=hifiberry-digi ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/hifiberry-dacplusadcpro-overlay.dts -@@ -0,0 +1,64 @@ -+// Definitions for HiFiBerry DAC+ADC PRO -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target-path = "/clocks"; -+ __overlay__ { -+ dacpro_osc: dacpro_osc { -+ compatible = "hifiberry,dacpro-clk"; -+ #clock-cells = <0>; -+ }; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&i2s>; -+ __overlay__ { -+ status = "okay"; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&i2c1>; -+ __overlay__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ hb_dac: pcm5122@4d { -+ #sound-dai-cells = <0>; -+ compatible = "ti,pcm5122"; -+ reg = <0x4d>; -+ clocks = <&dacpro_osc>; -+ status = "okay"; -+ }; -+ hb_adc: pcm186x@4a { -+ #sound-dai-cells = <0>; -+ compatible = "ti,pcm1863"; -+ reg = <0x4a>; -+ clocks = <&dacpro_osc>; -+ status = "okay"; -+ }; -+ }; -+ }; -+ -+ fragment@3 { -+ target = <&sound>; -+ hifiberry_dacplusadcpro: __overlay__ { -+ compatible = "hifiberry,hifiberry-dacplusadcpro"; -+ audio-codec = <&hb_dac &hb_adc>; -+ i2s-controller = <&i2s>; -+ status = "okay"; -+ }; -+ }; -+ -+ __overrides__ { -+ 24db_digital_gain = -+ <&hifiberry_dacplusadcpro>,"hifiberry-dacplusadcpro,24db_digital_gain?"; -+ slave = <&hifiberry_dacplusadcpro>,"hifiberry-dacplusadcpro,slave?"; -+ }; -+}; ---- a/sound/soc/bcm/Kconfig -+++ b/sound/soc/bcm/Kconfig -@@ -48,6 +48,14 @@ config SND_BCM2708_SOC_HIFIBERRY_DACPLUS - help - Say Y or M if you want to add support for HifiBerry DAC+ADC. - -+config SND_BCM2708_SOC_HIFIBERRY_DACPLUSADCPRO -+ tristate "Support for HifiBerry DAC+ADC PRO" -+ depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S -+ select SND_SOC_PCM512x_I2C -+ select SND_SOC_PCM186X_I2C -+ help -+ Say Y or M if you want to add support for HifiBerry DAC+ADC PRO. -+ - config SND_BCM2708_SOC_HIFIBERRY_DIGI - tristate "Support for HifiBerry Digi" - depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S ---- a/sound/soc/bcm/Makefile -+++ b/sound/soc/bcm/Makefile -@@ -14,6 +14,7 @@ snd-soc-googlevoicehat-codec-objs := goo - # BCM2708 Machine Support - snd-soc-hifiberry-dacplus-objs := hifiberry_dacplus.o - snd-soc-hifiberry-dacplusadc-objs := hifiberry_dacplusadc.o -+snd-soc-hifiberry-dacplusadcpro-objs := hifiberry_dacplusadcpro.o - snd-soc-justboom-dac-objs := justboom-dac.o - snd-soc-rpi-cirrus-objs := rpi-cirrus.o - snd-soc-rpi-proto-objs := rpi-proto.o -@@ -38,6 +39,7 @@ snd-soc-rpi-wm8804-soundcard-objs := rpi - obj-$(CONFIG_SND_BCM2708_SOC_GOOGLEVOICEHAT_SOUNDCARD) += snd-soc-googlevoicehat-codec.o - obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUS) += snd-soc-hifiberry-dacplus.o - obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADC) += snd-soc-hifiberry-dacplusadc.o -+obj-$(CONFIG_SND_BCM2708_SOC_HIFIBERRY_DACPLUSADCPRO) += snd-soc-hifiberry-dacplusadcpro.o - obj-$(CONFIG_SND_BCM2708_SOC_JUSTBOOM_DAC) += snd-soc-justboom-dac.o - obj-$(CONFIG_SND_BCM2708_SOC_RPI_CIRRUS) += snd-soc-rpi-cirrus.o - obj-$(CONFIG_SND_BCM2708_SOC_RPI_PROTO) += snd-soc-rpi-proto.o ---- /dev/null -+++ b/sound/soc/bcm/hifiberry_dacplusadcpro.c -@@ -0,0 +1,538 @@ -+/* -+ * ASoC Driver for HiFiBerry DAC+ / DAC Pro with ADC PRO Version (SW control) -+ * -+ * Author: Daniel Matuschek, Stuart MacLean -+ * Copyright 2014-2015 -+ * based on code by Florian Meier -+ * ADC added by Joerg Schambacher -+ * Copyright 2018-19 -+ * -+ * 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 -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include "../codecs/pcm512x.h" -+#include "../codecs/pcm186x.h" -+ -+#define HIFIBERRY_DACPRO_NOCLOCK 0 -+#define HIFIBERRY_DACPRO_CLK44EN 1 -+#define HIFIBERRY_DACPRO_CLK48EN 2 -+ -+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 const unsigned int pcm186x_adc_input_channel_sel_value[] = { -+ 0x00, 0x01, 0x02, 0x03, 0x10 -+}; -+ -+static const char * const pcm186x_adcl_input_channel_sel_text[] = { -+ "No Select", -+ "VINL1[SE]", /* Default for ADCL */ -+ "VINL2[SE]", -+ "VINL2[SE] + VINL1[SE]", -+ "{VIN1P, VIN1M}[DIFF]" -+}; -+ -+static const char * const pcm186x_adcr_input_channel_sel_text[] = { -+ "No Select", -+ "VINR1[SE]", /* Default for ADCR */ -+ "VINR2[SE]", -+ "VINR2[SE] + VINR1[SE]", -+ "{VIN2P, VIN2M}[DIFF]" -+}; -+ -+static const struct soc_enum pcm186x_adc_input_channel_sel[] = { -+ SOC_VALUE_ENUM_SINGLE(PCM186X_ADC1_INPUT_SEL_L, 0, -+ PCM186X_ADC_INPUT_SEL_MASK, -+ ARRAY_SIZE(pcm186x_adcl_input_channel_sel_text), -+ pcm186x_adcl_input_channel_sel_text, -+ pcm186x_adc_input_channel_sel_value), -+ SOC_VALUE_ENUM_SINGLE(PCM186X_ADC1_INPUT_SEL_R, 0, -+ PCM186X_ADC_INPUT_SEL_MASK, -+ ARRAY_SIZE(pcm186x_adcr_input_channel_sel_text), -+ pcm186x_adcr_input_channel_sel_text, -+ pcm186x_adc_input_channel_sel_value), -+}; -+ -+static const unsigned int pcm186x_mic_bias_sel_value[] = { -+ 0x00, 0x01, 0x11 -+}; -+ -+static const char * const pcm186x_mic_bias_sel_text[] = { -+ "Mic Bias off", -+ "Mic Bias on", -+ "Mic Bias with Bypass Resistor" -+}; -+ -+static const struct soc_enum pcm186x_mic_bias_sel[] = { -+ SOC_VALUE_ENUM_SINGLE(PCM186X_MIC_BIAS_CTRL, 0, -+ GENMASK(4, 0), -+ ARRAY_SIZE(pcm186x_mic_bias_sel_text), -+ pcm186x_mic_bias_sel_text, -+ pcm186x_mic_bias_sel_value), -+}; -+ -+static const unsigned int pcm186x_gain_sel_value[] = { -+ 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, -+ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, -+ 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, -+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, -+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, -+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, -+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, -+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, -+ 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, -+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, -+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, -+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, -+ 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, -+ 0x50 -+}; -+ -+static const char * const pcm186x_gain_sel_text[] = { -+ "-12.0dB", "-11.5dB", "-11.0dB", "-10.5dB", "-10.0dB", "-9.5dB", -+ "-9.0dB", "-8.5dB", "-8.0dB", "-7.5dB", "-7.0dB", "-6.5dB", -+ "-6.0dB", "-5.5dB", "-5.0dB", "-4.5dB", "-4.0dB", "-3.5dB", -+ "-3.0dB", "-2.5dB", "-2.0dB", "-1.5dB", "-1.0dB", "-0.5dB", -+ "0.0dB", "0.5dB", "1.0dB", "1.5dB", "2.0dB", "2.5dB", -+ "3.0dB", "3.5dB", "4.0dB", "4.5dB", "5.0dB", "5.5dB", -+ "6.0dB", "6.5dB", "7.0dB", "7.5dB", "8.0dB", "8.5dB", -+ "9.0dB", "9.5dB", "10.0dB", "10.5dB", "11.0dB", "11.5dB", -+ "12.0dB", "12.5dB", "13.0dB", "13.5dB", "14.0dB", "14.5dB", -+ "15.0dB", "15.5dB", "16.0dB", "16.5dB", "17.0dB", "17.5dB", -+ "18.0dB", "18.5dB", "19.0dB", "19.5dB", "20.0dB", "20.5dB", -+ "21.0dB", "21.5dB", "22.0dB", "22.5dB", "23.0dB", "23.5dB", -+ "24.0dB", "24.5dB", "25.0dB", "25.5dB", "26.0dB", "26.5dB", -+ "27.0dB", "27.5dB", "28.0dB", "28.5dB", "29.0dB", "29.5dB", -+ "30.0dB", "30.5dB", "31.0dB", "31.5dB", "32.0dB", "32.5dB", -+ "33.0dB", "33.5dB", "34.0dB", "34.5dB", "35.0dB", "35.5dB", -+ "36.0dB", "36.5dB", "37.0dB", "37.5dB", "38.0dB", "38.5dB", -+ "39.0dB", "39.5dB", "40.0dB"}; -+ -+static const struct soc_enum pcm186x_gain_sel[] = { -+ SOC_VALUE_ENUM_SINGLE(PCM186X_PGA_VAL_CH1_L, 0, -+ 0xff, -+ ARRAY_SIZE(pcm186x_gain_sel_text), -+ pcm186x_gain_sel_text, -+ pcm186x_gain_sel_value), -+ SOC_VALUE_ENUM_SINGLE(PCM186X_PGA_VAL_CH1_R, 0, -+ 0xff, -+ ARRAY_SIZE(pcm186x_gain_sel_text), -+ pcm186x_gain_sel_text, -+ pcm186x_gain_sel_value), -+}; -+ -+static const struct snd_kcontrol_new pcm1863_snd_controls_card[] = { -+ SOC_ENUM("ADC Left Input", pcm186x_adc_input_channel_sel[0]), -+ SOC_ENUM("ADC Right Input", pcm186x_adc_input_channel_sel[1]), -+ SOC_ENUM("ADC Mic Bias", pcm186x_mic_bias_sel), -+ SOC_ENUM("PGA Gain Left", pcm186x_gain_sel[0]), -+ SOC_ENUM("PGA Gain Right", pcm186x_gain_sel[1]), -+}; -+ -+static int pcm1863_add_controls(struct snd_soc_component *component) -+{ -+ snd_soc_add_component_controls(component, -+ pcm1863_snd_controls_card, -+ ARRAY_SIZE(pcm1863_snd_controls_card)); -+ return 0; -+} -+ -+static void snd_rpi_hifiberry_dacplusadcpro_select_clk( -+ struct snd_soc_component *component, int clk_id) -+{ -+ switch (clk_id) { -+ case HIFIBERRY_DACPRO_NOCLOCK: -+ snd_soc_component_update_bits(component, -+ PCM512x_GPIO_CONTROL_1, 0x24, 0x00); -+ break; -+ case HIFIBERRY_DACPRO_CLK44EN: -+ snd_soc_component_update_bits(component, -+ PCM512x_GPIO_CONTROL_1, 0x24, 0x20); -+ break; -+ case HIFIBERRY_DACPRO_CLK48EN: -+ snd_soc_component_update_bits(component, -+ PCM512x_GPIO_CONTROL_1, 0x24, 0x04); -+ break; -+ } -+} -+ -+static void snd_rpi_hifiberry_dacplusadcpro_clk_gpio(struct snd_soc_component *component) -+{ -+ snd_soc_component_update_bits(component, PCM512x_GPIO_EN, 0x24, 0x24); -+ snd_soc_component_update_bits(component, PCM512x_GPIO_OUTPUT_3, 0x0f, 0x02); -+ snd_soc_component_update_bits(component, PCM512x_GPIO_OUTPUT_6, 0x0f, 0x02); -+} -+ -+static bool snd_rpi_hifiberry_dacplusadcpro_is_sclk(struct snd_soc_component *component) -+{ -+ unsigned int sck; -+ -+ snd_soc_component_read(component, PCM512x_RATE_DET_4, &sck); -+ return (!(sck & 0x40)); -+} -+ -+static bool snd_rpi_hifiberry_dacplusadcpro_is_sclk_sleep( -+ struct snd_soc_component *component) -+{ -+ msleep(2); -+ return snd_rpi_hifiberry_dacplusadcpro_is_sclk(component); -+} -+ -+static bool snd_rpi_hifiberry_dacplusadcpro_is_pro_card(struct snd_soc_component *component) -+{ -+ bool isClk44EN, isClk48En, isNoClk; -+ -+ snd_rpi_hifiberry_dacplusadcpro_clk_gpio(component); -+ -+ snd_rpi_hifiberry_dacplusadcpro_select_clk(component, HIFIBERRY_DACPRO_CLK44EN); -+ isClk44EN = snd_rpi_hifiberry_dacplusadcpro_is_sclk_sleep(component); -+ -+ snd_rpi_hifiberry_dacplusadcpro_select_clk(component, HIFIBERRY_DACPRO_NOCLOCK); -+ isNoClk = snd_rpi_hifiberry_dacplusadcpro_is_sclk_sleep(component); -+ -+ snd_rpi_hifiberry_dacplusadcpro_select_clk(component, HIFIBERRY_DACPRO_CLK48EN); -+ isClk48En = snd_rpi_hifiberry_dacplusadcpro_is_sclk_sleep(component); -+ -+ return (isClk44EN && isClk48En && !isNoClk); -+} -+ -+static int snd_rpi_hifiberry_dacplusadcpro_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_dacplusadcpro_set_sclk(struct snd_soc_component *component, -+ int sample_rate) -+{ -+ struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); -+ -+ if (!IS_ERR(pcm512x->sclk)) { -+ int ctype; -+ -+ ctype = snd_rpi_hifiberry_dacplusadcpro_clk_for_rate(sample_rate); -+ clk_set_rate(pcm512x->sclk, (ctype == HIFIBERRY_DACPRO_CLK44EN) -+ ? CLK_44EN_RATE : CLK_48EN_RATE); -+ snd_rpi_hifiberry_dacplusadcpro_select_clk(component, ctype); -+ } -+} -+ -+static int snd_rpi_hifiberry_dacplusadcpro_init(struct snd_soc_pcm_runtime *rtd) -+{ -+ struct snd_soc_component *dac = rtd->codec_dais[0]->component; -+ struct snd_soc_component *adc = rtd->codec_dais[1]->component; -+ struct snd_soc_dai_driver *adc_driver = rtd->codec_dais[1]->driver; -+ struct pcm512x_priv *priv; -+ int ret; -+ -+ if (slave) -+ snd_rpi_hifiberry_is_dacpro = false; -+ else -+ snd_rpi_hifiberry_is_dacpro = -+ snd_rpi_hifiberry_dacplusadcpro_is_pro_card(dac); -+ -+ if (snd_rpi_hifiberry_is_dacpro) { -+ struct snd_soc_dai_link *dai = rtd->dai_link; -+ -+ dai->name = "HiFiBerry DAC+ADC Pro"; -+ dai->stream_name = "HiFiBerry DAC+ADC Pro HiFi"; -+ -+ // set DAC DAI configuration -+ ret = snd_soc_dai_set_fmt(rtd->codec_dais[0], -+ SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF -+ | SND_SOC_DAIFMT_CBM_CFM); -+ if (ret < 0) -+ return ret; -+ -+ // set ADC DAI configuration -+ ret = snd_soc_dai_set_fmt(rtd->codec_dais[1], -+ SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF -+ | SND_SOC_DAIFMT_CBS_CFS); -+ if (ret < 0) -+ return ret; -+ -+ // set CPU DAI configuration -+ ret = snd_soc_dai_set_fmt(rtd->cpu_dai, -+ SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); -+ if (ret < 0) -+ return ret; -+ -+ snd_soc_component_update_bits(dac, PCM512x_BCLK_LRCLK_CFG, 0x31, 0x11); -+ snd_soc_component_update_bits(dac, PCM512x_MASTER_MODE, 0x03, 0x03); -+ snd_soc_component_update_bits(dac, PCM512x_MASTER_CLKDIV_2, 0x7f, 63); -+ } else { -+ priv = snd_soc_component_get_drvdata(dac); -+ priv->sclk = ERR_PTR(-ENOENT); -+ } -+ -+ /* disable 24bit mode as long as I2S module does not have sign extension fixed */ -+ adc_driver->capture.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE; -+ -+ snd_soc_component_update_bits(dac, PCM512x_GPIO_EN, 0x08, 0x08); -+ snd_soc_component_update_bits(dac, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02); -+ snd_soc_component_update_bits(dac, PCM512x_GPIO_CONTROL_1, 0x08, 0x08); -+ -+ ret = pcm1863_add_controls(adc); -+ if (ret < 0) -+ dev_warn(rtd->dev, "Failed to add pcm1863 controls: %d\n", -+ ret); -+ -+ /* set GPIO2 to output, GPIO3 input */ -+ snd_soc_component_write(adc, PCM186X_GPIO3_2_CTRL, 0x00); -+ snd_soc_component_write(adc, PCM186X_GPIO3_2_DIR_CTRL, 0x04); -+ snd_soc_component_update_bits(adc, PCM186X_GPIO_IN_OUT, 0x40, 0x40); -+ -+ 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_dacplusadcpro_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_component *component = rtd->codec_dais[0]->component; /* only use DAC */ -+ struct pcm512x_priv *pcm512x = snd_soc_component_get_drvdata(component); -+ 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; -+} -+ -+static int snd_rpi_hifiberry_dacplusadcpro_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; -+ int channels = params_channels(params); -+ int width = 32; -+ struct snd_soc_component *dac = rtd->codec_dais[0]->component; -+ -+ if (snd_rpi_hifiberry_is_dacpro) { -+ -+ width = snd_pcm_format_physical_width(params_format(params)); -+ -+ snd_rpi_hifiberry_dacplusadcpro_set_sclk(dac, -+ params_rate(params)); -+ -+ ret = snd_rpi_hifiberry_dacplusadcpro_update_rate_den( -+ substream, params); -+ if (ret) -+ return ret; -+ } -+ -+ ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x03, 0x03, -+ channels, width); -+ if (ret) -+ return ret; -+ ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x03, 0x03, -+ channels, width); -+ if (ret) -+ return ret; -+ ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x03, 0x03, -+ channels, width); -+ return ret; -+} -+ -+static int snd_rpi_hifiberry_dacplusadcpro_startup( -+ struct snd_pcm_substream *substream) -+{ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct snd_soc_component *dac = rtd->codec_dais[0]->component; -+ struct snd_soc_component *adc = rtd->codec_dais[1]->component; -+ -+ /* switch on respective LED */ -+ if (!substream->stream) -+ snd_soc_component_update_bits(dac, PCM512x_GPIO_CONTROL_1, 0x08, 0x08); -+ else -+ snd_soc_component_update_bits(adc, PCM186X_GPIO_IN_OUT, 0x40, 0x40); -+ return 0; -+} -+ -+static void snd_rpi_hifiberry_dacplusadcpro_shutdown( -+ struct snd_pcm_substream *substream) -+{ -+ struct snd_soc_pcm_runtime *rtd = substream->private_data; -+ struct snd_soc_component *dac = rtd->codec_dais[0]->component; -+ struct snd_soc_component *adc = rtd->codec_dais[1]->component; -+ -+ /* switch off respective LED */ -+ if (!substream->stream) -+ snd_soc_component_update_bits(dac, PCM512x_GPIO_CONTROL_1, 0x08, 0x00); -+ else -+ snd_soc_component_update_bits(adc, PCM186X_GPIO_IN_OUT, 0x40, 0x00); -+} -+ -+ -+/* machine stream operations */ -+static struct snd_soc_ops snd_rpi_hifiberry_dacplusadcpro_ops = { -+ .hw_params = snd_rpi_hifiberry_dacplusadcpro_hw_params, -+ .startup = snd_rpi_hifiberry_dacplusadcpro_startup, -+ .shutdown = snd_rpi_hifiberry_dacplusadcpro_shutdown, -+}; -+ -+static struct snd_soc_dai_link_component snd_rpi_hifiberry_dacplusadcpro_codecs[] = { -+ { -+ .name = "pcm512x.1-004d", -+ .dai_name = "pcm512x-hifi", -+ }, -+ { -+ .name = "pcm186x.1-004a", -+ .dai_name = "pcm1863-aif", -+ }, -+}; -+ -+static struct snd_soc_dai_link snd_rpi_hifiberry_dacplusadcpro_dai[] = { -+{ -+ .name = "HiFiBerry DAC+ADC PRO", -+ .stream_name = "HiFiBerry DAC+ADC PRO HiFi", -+ .cpu_dai_name = "bcm2708-i2s.0", -+ .platform_name = "bcm2708-i2s.0", -+ .codecs = snd_rpi_hifiberry_dacplusadcpro_codecs, -+ .num_codecs = 2, -+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | -+ SND_SOC_DAIFMT_CBS_CFS, -+ .ops = &snd_rpi_hifiberry_dacplusadcpro_ops, -+ .init = snd_rpi_hifiberry_dacplusadcpro_init, -+}, -+}; -+ -+/* audio machine driver */ -+static struct snd_soc_card snd_rpi_hifiberry_dacplusadcpro = { -+ .name = "snd_rpi_hifiberry_dacplusadcpro", -+ .driver_name = "HifiberryDacpAdcPro", -+ .owner = THIS_MODULE, -+ .dai_link = snd_rpi_hifiberry_dacplusadcpro_dai, -+ .num_links = ARRAY_SIZE(snd_rpi_hifiberry_dacplusadcpro_dai), -+}; -+ -+static int snd_rpi_hifiberry_dacplusadcpro_probe(struct platform_device *pdev) -+{ -+ int ret = 0, i = 0; -+ struct snd_soc_card *card = &snd_rpi_hifiberry_dacplusadcpro; -+ -+ snd_rpi_hifiberry_dacplusadcpro.dev = &pdev->dev; -+ if (pdev->dev.of_node) { -+ struct device_node *i2s_node; -+ struct snd_soc_dai_link *dai; -+ -+ dai = &snd_rpi_hifiberry_dacplusadcpro_dai[0]; -+ i2s_node = of_parse_phandle(pdev->dev.of_node, -+ "i2s-controller", 0); -+ if (i2s_node) { -+ for (i = 0; i < card->num_links; i++) { -+ 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-dacplusadcpro,24db_digital_gain"); -+ slave = of_property_read_bool(pdev->dev.of_node, -+ "hifiberry-dacplusadcpro,slave"); -+ ret = snd_soc_register_card(&snd_rpi_hifiberry_dacplusadcpro); -+ if (ret && ret != -EPROBE_DEFER) -+ dev_err(&pdev->dev, -+ "snd_soc_register_card() failed: %d\n", ret); -+ -+ return ret; -+} -+ -+static const struct of_device_id snd_rpi_hifiberry_dacplusadcpro_of_match[] = { -+ { .compatible = "hifiberry,hifiberry-dacplusadcpro", }, -+ {}, -+}; -+ -+MODULE_DEVICE_TABLE(of, snd_rpi_hifiberry_dacplusadcpro_of_match); -+ -+static struct platform_driver snd_rpi_hifiberry_dacplusadcpro_driver = { -+ .driver = { -+ .name = "snd-rpi-hifiberry-dacplusadcpro", -+ .owner = THIS_MODULE, -+ .of_match_table = snd_rpi_hifiberry_dacplusadcpro_of_match, -+ }, -+ .probe = snd_rpi_hifiberry_dacplusadcpro_probe, -+}; -+ -+module_platform_driver(snd_rpi_hifiberry_dacplusadcpro_driver); -+ -+MODULE_AUTHOR("Joerg Schambacher "); -+MODULE_AUTHOR("Daniel Matuschek "); -+MODULE_DESCRIPTION("ASoC Driver for HiFiBerry DAC+ADC"); -+MODULE_LICENSE("GPL v2");