diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0279-adds-the-Hifiberry-DAC-ADC-PRO-version.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0279-adds-the-Hifiberry-DAC-ADC-PRO-version.patch | 598 |
1 files changed, 598 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0279-adds-the-Hifiberry-DAC-ADC-PRO-version.patch b/target/linux/bcm27xx/patches-5.4/950-0279-adds-the-Hifiberry-DAC-ADC-PRO-version.patch new file mode 100644 index 0000000000..ed6d6db813 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0279-adds-the-Hifiberry-DAC-ADC-PRO-version.patch @@ -0,0 +1,598 @@ +From 41c059c841d40bebc358e1c9e7f30c62b2fe3b37 Mon Sep 17 00:00:00 2001 +From: Joerg Schambacher <joscha@schambacher.com> +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 +--- + sound/soc/bcm/Kconfig | 9 + + sound/soc/bcm/Makefile | 2 + + sound/soc/bcm/hifiberry_dacplusadcpro.c | 538 ++++++++++++++++++++++++ + 3 files changed, 549 insertions(+) + create mode 100644 sound/soc/bcm/hifiberry_dacplusadcpro.c + +--- a/sound/soc/bcm/Kconfig ++++ b/sound/soc/bcm/Kconfig +@@ -38,6 +38,7 @@ config SND_BCM2708_SOC_HIFIBERRY_DACPLUS + tristate "Support for HifiBerry DAC+" + depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S + select SND_SOC_PCM512x ++ select COMMON_CLK_HIFIBERRY_DACPRO + help + Say Y or M if you want to add support for HifiBerry DAC+. + +@@ -50,6 +51,14 @@ 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 +@@ -15,6 +15,7 @@ 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 +@@ -39,6 +40,7 @@ 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 <stuart@hifiberry.com> ++ * Copyright 2014-2015 ++ * based on code by Florian Meier <florian.meier@koalo.de> ++ * ADC added by Joerg Schambacher <joerg@i2audio.com> ++ * 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 <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 <sound/tlv.h> ++ ++#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 <joerg@i2audio.com>"); ++MODULE_AUTHOR("Daniel Matuschek <daniel@hifiberry.com>"); ++MODULE_DESCRIPTION("ASoC Driver for HiFiBerry DAC+ADC"); ++MODULE_LICENSE("GPL v2"); |