From 87d450d98ef1f69dd6f5255c3b7e665c130935ea Mon Sep 17 00:00:00 2001 From: allocom Date: Thu, 19 Apr 2018 12:12:26 +0530 Subject: [PATCH 281/454] Drivers for Allo Katana DAC --- arch/arm/boot/dts/overlays/Makefile | 1 + arch/arm/boot/dts/overlays/README | 6 + .../allo-katana-dac-audio-overlay.dts | 46 +++ arch/arm/configs/bcm2709_defconfig | 1 + arch/arm/configs/bcmrpi_defconfig | 1 + sound/soc/bcm/Kconfig | 7 + sound/soc/bcm/Makefile | 2 + sound/soc/bcm/allo-katana-dac.c | 105 ++++++ sound/soc/codecs/Kconfig | 10 + sound/soc/codecs/Makefile | 4 + sound/soc/codecs/sabre-ess-i2c.c | 69 ++++ sound/soc/codecs/sabre-ess.c | 300 ++++++++++++++++++ sound/soc/codecs/sabre-ess.h | 62 ++++ 13 files changed, 614 insertions(+) create mode 100644 arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts create mode 100644 sound/soc/bcm/allo-katana-dac.c create mode 100644 sound/soc/codecs/sabre-ess-i2c.c create mode 100644 sound/soc/codecs/sabre-ess.c create mode 100644 sound/soc/codecs/sabre-ess.h --- a/arch/arm/boot/dts/overlays/Makefile +++ b/arch/arm/boot/dts/overlays/Makefile @@ -9,6 +9,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ akkordion-iqdacplus.dtbo \ allo-boss-dac-pcm512x-audio.dtbo \ allo-digione.dtbo \ + allo-katana-dac-audio.dtbo \ allo-piano-dac-pcm512x-audio.dtbo \ allo-piano-dac-plus-pcm512x-audio.dtbo \ applepi-dac.dtbo \ --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -317,6 +317,12 @@ Load: dtoverlay=allo-digione Params: +Name: allo-katana +Info: Configures the Allo Katana audio card +Load: dtoverlay=allo-katana-dac-audio +Params: + + Name: allo-piano-dac-pcm512x-audio Info: Configures the Allo Piano DAC (2.0/2.1) audio cards. (NB. This initial support is for 2.0 channel audio ONLY! ie. stereo. --- /dev/null +++ b/arch/arm/boot/dts/overlays/allo-katana-dac-audio-overlay.dts @@ -0,0 +1,46 @@ +/* + * Definitions for Allo Katana DAC boards + * + * NB. The Katana DAC board contains SABER DAC. + */ + +/dts-v1/; +/plugin/; + +/ { + compatible = "brcm,bcm2708"; + + fragment@0 { + target = <&i2s>; + __overlay__ { + status = "okay"; + }; + }; + + fragment@1 { + target = <&i2c1>; + __overlay__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + sabre-ess@30 { + #sound-dai-cells = <0>; + compatible = "saber,sabre-ess"; + reg = <0x30>; + status = "okay"; + }; + }; + }; + + fragment@2 { + target = <&sound>; + katana_dac: __overlay__ { + compatible = "allo,katana-dac"; + i2s-controller = <&i2s>; + status = "okay"; + }; + }; + +}; + --- a/arch/arm/configs/bcm2709_defconfig +++ b/arch/arm/configs/bcm2709_defconfig @@ -894,6 +894,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS=m CONFIG_SND_BCM2708_SOC_ALLO_BOSS_DAC=m CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m +CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m CONFIG_SND_PISOUND=m CONFIG_SND_SOC_ADAU1701=m --- a/arch/arm/configs/bcmrpi_defconfig +++ b/arch/arm/configs/bcmrpi_defconfig @@ -887,6 +887,7 @@ CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC=m CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS=m CONFIG_SND_BCM2708_SOC_ALLO_BOSS_DAC=m CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE=m +CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC=m CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO=m CONFIG_SND_PISOUND=m CONFIG_SND_SOC_ADAU1701=m --- a/sound/soc/bcm/Kconfig +++ b/sound/soc/bcm/Kconfig @@ -175,6 +175,13 @@ config SND_BCM2708_SOC_ALLO_DIGIONE help Say Y or M if you want to add support for Allo DigiOne. +config SND_BCM2708_SOC_ALLO_KATANA_DAC + tristate "Support for Allo Katana DAC" + depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S + select SND_SOC_SABRE_ESS_I2C + help + Say Y or M if you want to add support for Allo Katana DAC. + config SND_BCM2708_SOC_FE_PI_AUDIO tristate "Support for Fe-Pi-Audio" depends on SND_BCM2708_SOC_I2S || SND_BCM2835_SOC_I2S --- a/sound/soc/bcm/Makefile +++ b/sound/soc/bcm/Makefile @@ -34,6 +34,7 @@ snd-soc-allo-boss-dac-objs := allo-boss- snd-soc-allo-piano-dac-objs := allo-piano-dac.o snd-soc-allo-piano-dac-plus-objs := allo-piano-dac-plus.o snd-soc-allo-digione-objs := allo-digione.o +snd-soc-allo-katana-dac-objs := allo-katana-dac.o snd-soc-pisound-objs := pisound.o snd-soc-fe-pi-audio-objs := fe-pi-audio.o @@ -60,5 +61,6 @@ obj-$(CONFIG_SND_BCM2708_SOC_ALLO_BOSS_D obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC) += snd-soc-allo-piano-dac.o obj-$(CONFIG_SND_BCM2708_SOC_ALLO_PIANO_DAC_PLUS) += snd-soc-allo-piano-dac-plus.o obj-$(CONFIG_SND_BCM2708_SOC_ALLO_DIGIONE) += snd-soc-allo-digione.o +obj-$(CONFIG_SND_BCM2708_SOC_ALLO_KATANA_DAC) += snd-soc-allo-katana-dac.o obj-$(CONFIG_SND_PISOUND) += snd-soc-pisound.o obj-$(CONFIG_SND_BCM2708_SOC_FE_PI_AUDIO) += snd-soc-fe-pi-audio.o --- /dev/null +++ b/sound/soc/bcm/allo-katana-dac.c @@ -0,0 +1,105 @@ +/* + * ASoC Driver for KATANA DAC + * + * Author: Jaikumar + * Copyright 2018 + * + * 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 + +static struct snd_soc_dai_link snd_allo_katana_dac_dai[] = { +{ + .name = "KATANA DAC", + //.stream_name = "KATANA DAC HiFi [Master]", + .stream_name = "KATANA DAC", + .cpu_dai_name = "bcm2708-i2s.0", + //.codec_dai_name = "es9038q2m-hifi", + .codec_dai_name = "sabre-ess", + .platform_name = "bcm2708-i2s.0", + //.codec_name = "es9038q2m.1-0030", + .codec_name = "sabre-ess.1-0030", + .dai_fmt = SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM, +}, +}; + +/* audio machine driver */ +static struct snd_soc_card snd_allo_katana_dac = { + .name = "snd_allo_katana_dac", + .owner = THIS_MODULE, + .dai_link = snd_allo_katana_dac_dai, + .num_links = ARRAY_SIZE(snd_allo_katana_dac_dai), +}; + +static int snd_allo_katana_dac_probe(struct platform_device *pdev) +{ + int ret = 0; + + snd_allo_katana_dac.dev = &pdev->dev; + + if (pdev->dev.of_node) { + struct device_node *i2s_node; + struct snd_soc_dai_link *dai = &snd_allo_katana_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_allo_katana_dac); + if (ret && ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", + ret); + + return ret; +} + +static int snd_allo_katana_dac_remove(struct platform_device *pdev) +{ + return snd_soc_unregister_card(&snd_allo_katana_dac); +} + +static const struct of_device_id snd_allo_katana_dac_of_match[] = { + { .compatible = "allo,katana-dac", }, + {}, +}; +MODULE_DEVICE_TABLE(of, snd_allo_katana_dac_of_match); + +static struct platform_driver snd_allo_katana_dac_driver = { + .driver = { + .name = "snd-katana-dac", + .owner = THIS_MODULE, + .of_match_table = snd_allo_katana_dac_of_match, + }, + .probe = snd_allo_katana_dac_probe, + .remove = snd_allo_katana_dac_remove, +}; + +module_platform_driver(snd_allo_katana_dac_driver); + +MODULE_AUTHOR("Jaikumar "); +MODULE_DESCRIPTION("ALSA ASoC Machine Driver for Allo Katana DAC"); +MODULE_LICENSE("GPL v2"); + --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -77,6 +77,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_ES8328_SPI if SPI_MASTER select SND_SOC_ES8328_I2C if I2C select SND_SOC_ES7134 + select SND_SOC_SABRE_ESS_I2C if I2C select SND_SOC_GTM601 select SND_SOC_HDAC_HDMI select SND_SOC_ICS43432 @@ -1186,4 +1187,13 @@ config SND_SOC_TPA6130A2 tristate "Texas Instruments TPA6130A2 headphone amplifier" depends on I2C +config SND_SOC_SABRE_ESS + tristate + +config SND_SOC_SABRE_ESS_I2C + tristate "Sabre SABRE ESS CODEC - I2C" + depends on I2C + select SND_SOC_SABRE_ESS + select REGMAP_I2C + endmenu --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -71,6 +71,8 @@ snd-soc-es8316-objs := es8316.o snd-soc-es8328-objs := es8328.o snd-soc-es8328-i2c-objs := es8328-i2c.o snd-soc-es8328-spi-objs := es8328-spi.o +snd-soc-sabre-ess-objs := sabre-ess.o +snd-soc-sabre-ess-i2c-objs := sabre-ess-i2c.o snd-soc-gtm601-objs := gtm601.o snd-soc-hdac-hdmi-objs := hdac_hdmi.o snd-soc-ics43432-objs := ics43432.o @@ -313,6 +315,8 @@ obj-$(CONFIG_SND_SOC_ES8316) += snd-s obj-$(CONFIG_SND_SOC_ES8328) += snd-soc-es8328.o obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o +obj-$(CONFIG_SND_SOC_SABRE_ESS) += snd-soc-sabre-ess.o +obj-$(CONFIG_SND_SOC_SABRE_ESS_I2C) += snd-soc-sabre-ess-i2c.o obj-$(CONFIG_SND_SOC_GTM601) += snd-soc-gtm601.o obj-$(CONFIG_SND_SOC_HDAC_HDMI) += snd-soc-hdac-hdmi.o obj-$(CONFIG_SND_SOC_ICS43432) += snd-soc-ics43432.o --- /dev/null +++ b/sound/soc/codecs/sabre-ess-i2c.c @@ -0,0 +1,69 @@ +/* + * Driver for the SABRE ESS CODECs + * + * Author: Jaikumar + * Copyright 2018 + * + * 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 "sabre-ess.h" + +static int sabre_ess_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct regmap *regmap; + struct regmap_config config = sabre_ess_regmap; + + regmap = devm_regmap_init_i2c(i2c, &config); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + return sabre_ess_probe(&i2c->dev, regmap); +} + +static int sabre_ess_i2c_remove(struct i2c_client *i2c) +{ + sabre_ess_remove(&i2c->dev); + return 0; +} + +static const struct i2c_device_id sabre_ess_i2c_id[] = { + { "sabre-ess", }, + { } +}; +MODULE_DEVICE_TABLE(i2c, sabre_ess_i2c_id); + +static const struct of_device_id sabre_ess_of_match[] = { + { .compatible = "saber,sabre-ess", }, + { } +}; +MODULE_DEVICE_TABLE(of, sabre_ess_of_match); + +static struct i2c_driver sabre_ess_i2c_driver = { + .probe = sabre_ess_i2c_probe, + .remove = sabre_ess_i2c_remove, + .id_table = sabre_ess_i2c_id, + .driver = { + .name = "sabre-ess", + .of_match_table = sabre_ess_of_match, + }, +}; + +module_i2c_driver(sabre_ess_i2c_driver); + +MODULE_DESCRIPTION("ASoC SABRE ESS codec driver - I2C"); +MODULE_AUTHOR("Jaikumar "); +MODULE_LICENSE("GPL v2"); + --- /dev/null +++ b/sound/soc/codecs/sabre-ess.c @@ -0,0 +1,300 @@ +/* + * Driver for the SABRE ESS CODEC + * + * Author: Jaikumar + * Copyright 2018 + * + * 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 "sabre-ess.h" + +struct sabre_ess_priv { + struct regmap *regmap; + int fmt; +}; + +static const struct reg_default sabre_ess_reg_defaults[] = { + { SABRE_ESS_RESET, 0x00 }, + { SABRE_ESS_VOLUME_1, 0xF0 }, + { SABRE_ESS_VOLUME_2, 0xF0 }, + { SABRE_ESS_MUTE, 0x00 }, + { SABRE_ESS_DSP_PROGRAM, 0x04 }, + { SABRE_ESS_DEEMPHASIS, 0x00 }, + { SABRE_ESS_DOP, 0x01 }, + { SABRE_ESS_FORMAT, 0xb4 }, +}; + +static const char * const sabre_ess_dsp_program_texts[] = { + "Linear Phase Fast Roll-off Filter", + "Linear Phase Slow Roll-off Filter", + "Minimum Phase Fast Roll-off Filter", + "Minimum Phase Slow Roll-off Filter", + "Apodizing Fast Roll-off Filter", + "Corrected Minimum Phase Fast Roll-off Filter", + "Brick Wall Filter", +}; + +static const unsigned int sabre_ess_dsp_program_values[] = { + 0, + 1, + 2, + 3, + 4, + 6, + 7, +}; + +static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_dsp_program, + SABRE_ESS_DSP_PROGRAM, 0, 0x07, + sabre_ess_dsp_program_texts, + sabre_ess_dsp_program_values); + +static const char * const sabre_ess_deemphasis_texts[] = { + "Bypass", + "32kHz", + "44.1kHz", + "48kHz", +}; + +static const unsigned int sabre_ess_deemphasis_values[] = { + 0, + 1, + 2, + 3, +}; + +static SOC_VALUE_ENUM_SINGLE_DECL(sabre_ess_deemphasis, + SABRE_ESS_DEEMPHASIS, 0, 0x03, + sabre_ess_deemphasis_texts, + sabre_ess_deemphasis_values); + +static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(master_tlv, -12700, 0); + +static const struct snd_kcontrol_new sabre_ess_controls[] = { + SOC_DOUBLE_R_TLV("Master Playback Volume", SABRE_ESS_VOLUME_1, + SABRE_ESS_VOLUME_2, 0, 255, 1, master_tlv), + SOC_DOUBLE("Master Playback Switch", SABRE_ESS_MUTE, 0, 0, 1, 1), + SOC_ENUM("DSP Program Route", sabre_ess_dsp_program), + SOC_ENUM("Deemphasis Route", sabre_ess_deemphasis), + SOC_SINGLE("DoP Playback Switch", SABRE_ESS_DOP, 0, 1, 1) +}; + +static bool sabre_ess_readable_register(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SABRE_ESS_CHIP_ID_REG: + return true; + default: + return reg < 0xff; + } +} + +static int sabre_ess_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec); + int fmt = 0; + int ret; + + dev_dbg(codec->dev, "hw_params %u Hz, %u channels\n", + params_rate(params), + params_channels(params)); + + switch (sabre_ess->fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: // master + if (params_channels(params) == 2) + fmt = SABRE_ESS_CHAN_STEREO; + else + fmt = SABRE_ESS_CHAN_MONO; + + switch (params_width(params)) { + case 16: + fmt |= SABRE_ESS_ALEN_16; + break; + case 24: + fmt |= SABRE_ESS_ALEN_24; + break; + case 32: + fmt |= SABRE_ESS_ALEN_32; + break; + default: + dev_err(codec->dev, "Bad frame size: %d\n", + params_width(params)); + return -EINVAL; + } + + switch (params_rate(params)) { + case 44100: + fmt |= SABRE_ESS_RATE_44100; + break; + case 48000: + fmt |= SABRE_ESS_RATE_48000; + break; + case 88200: + fmt |= SABRE_ESS_RATE_88200; + break; + case 96000: + fmt |= SABRE_ESS_RATE_96000; + break; + case 176400: + fmt |= SABRE_ESS_RATE_176400; + break; + case 192000: + fmt |= SABRE_ESS_RATE_192000; + break; + case 352800: + fmt |= SABRE_ESS_RATE_352800; + break; + case 384000: + fmt |= SABRE_ESS_RATE_384000; + break; + default: + dev_err(codec->dev, "Bad sample rate: %d\n", + params_rate(params)); + return -EINVAL; + } + + ret = regmap_write(sabre_ess->regmap, SABRE_ESS_FORMAT, fmt); + if (ret != 0) { + dev_err(codec->dev, "Failed to set format: %d\n", ret); + return ret; + } + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int sabre_ess_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) +{ + struct snd_soc_codec *codec = dai->codec; + struct sabre_ess_priv *sabre_ess = snd_soc_codec_get_drvdata(codec); + + sabre_ess->fmt = fmt; + + return 0; +} + +static const struct snd_soc_dai_ops sabre_ess_dai_ops = { + .hw_params = sabre_ess_hw_params, + .set_fmt = sabre_ess_set_fmt, +}; + +static struct snd_soc_dai_driver sabre_ess_dai = { + .name = "sabre-ess", + .playback = { + .stream_name = "Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .rate_min = 44100, + .rate_max = 384000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S32_LE + }, + .ops = &sabre_ess_dai_ops, +}; + +static struct snd_soc_codec_driver sabre_ess_codec_driver = { + .idle_bias_off = false, + + .component_driver = { + .controls = sabre_ess_controls, + .num_controls = ARRAY_SIZE(sabre_ess_controls), + }, +}; + +static const struct regmap_range_cfg sabre_ess_range = { + .name = "Pages", .range_min = SABRE_ESS_VIRT_BASE, + .range_max = SABRE_ESS_MAX_REGISTER, + .selector_reg = SABRE_ESS_PAGE, + .selector_mask = 0xff, + .window_start = 0, .window_len = 0x100, +}; + +const struct regmap_config sabre_ess_regmap = { + .reg_bits = 8, + .val_bits = 8, + + .ranges = &sabre_ess_range, + .num_ranges = 1, + + .max_register = SABRE_ESS_MAX_REGISTER, + .readable_reg = sabre_ess_readable_register, + .reg_defaults = sabre_ess_reg_defaults, + .num_reg_defaults = ARRAY_SIZE(sabre_ess_reg_defaults), + .cache_type = REGCACHE_RBTREE, +}; +EXPORT_SYMBOL_GPL(sabre_ess_regmap); + +int sabre_ess_probe(struct device *dev, struct regmap *regmap) +{ + struct sabre_ess_priv *sabre_ess; + unsigned int chip_id = 0; + int ret; + + sabre_ess = devm_kzalloc(dev, sizeof(struct sabre_ess_priv), + GFP_KERNEL); + if (!sabre_ess) + return -ENOMEM; + + dev_set_drvdata(dev, sabre_ess); + sabre_ess->regmap = regmap; + + ret = regmap_read(regmap, SABRE_ESS_CHIP_ID_REG, &chip_id); + if ((ret != 0) || (chip_id != SABRE_ESS_CHIP_ID)) { + dev_err(dev, "Failed to read Chip or wrong Chip id: %d\n", ret); + return ret; + } + regmap_update_bits(regmap, SABRE_ESS_RESET, 0x01, 0x01); + msleep(10); + + ret = snd_soc_register_codec(dev, &sabre_ess_codec_driver, + &sabre_ess_dai, 1); + if (ret != 0) { + dev_err(dev, "failed to register codec: %d\n", ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(sabre_ess_probe); + +void sabre_ess_remove(struct device *dev) +{ + snd_soc_unregister_codec(dev); + pm_runtime_disable(dev); +} +EXPORT_SYMBOL_GPL(sabre_ess_remove); + +MODULE_DESCRIPTION("ASoC SABRE ESS codec driver"); +MODULE_AUTHOR("Jaikumar "); +MODULE_LICENSE("GPL v2"); + --- /dev/null +++ b/sound/soc/codecs/sabre-ess.h @@ -0,0 +1,62 @@ +/* + * Driver for the SABRE ESS CODEC + * + * Author: Jaikumar + * Copyright 2018 + * + * 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. + */ + +#ifndef _SND_SOC_SABRE_ESS_ +#define _SND_SOC_SABRE_ESS_ + +#include +#include + +#define SABRE_ESS_CHIP_ID 0x30 +#define SABRE_ESS_VIRT_BASE 0x100 +#define SABRE_ESS_PAGE 0 + +#define SABRE_ESS_CHIP_ID_REG (SABRE_ESS_VIRT_BASE + 0) +#define SABRE_ESS_RESET (SABRE_ESS_VIRT_BASE + 1) +#define SABRE_ESS_VOLUME_1 (SABRE_ESS_VIRT_BASE + 2) +#define SABRE_ESS_VOLUME_2 (SABRE_ESS_VIRT_BASE + 3) +#define SABRE_ESS_MUTE (SABRE_ESS_VIRT_BASE + 4) +#define SABRE_ESS_DSP_PROGRAM (SABRE_ESS_VIRT_BASE + 5) +#define SABRE_ESS_DEEMPHASIS (SABRE_ESS_VIRT_BASE + 6) +#define SABRE_ESS_DOP (SABRE_ESS_VIRT_BASE + 7) +#define SABRE_ESS_FORMAT (SABRE_ESS_VIRT_BASE + 8) +#define SABRE_ESS_COMMAND (SABRE_ESS_VIRT_BASE + 9) +#define SABRE_ESS_MAX_REGISTER (SABRE_ESS_VIRT_BASE + 9) + +#define SABRE_ESS_FMT 0xff +#define SABRE_ESS_CHAN_MONO 0x00 +#define SABRE_ESS_CHAN_STEREO 0x80 +#define SABRE_ESS_ALEN_16 0x10 +#define SABRE_ESS_ALEN_24 0x20 +#define SABRE_ESS_ALEN_32 0x30 +#define SABRE_ESS_RATE_11025 0x01 +#define SABRE_ESS_RATE_22050 0x02 +#define SABRE_ESS_RATE_32000 0x03 +#define SABRE_ESS_RATE_44100 0x04 +#define SABRE_ESS_RATE_48000 0x05 +#define SABRE_ESS_RATE_88200 0x06 +#define SABRE_ESS_RATE_96000 0x07 +#define SABRE_ESS_RATE_176400 0x08 +#define SABRE_ESS_RATE_192000 0x09 +#define SABRE_ESS_RATE_352800 0x0a +#define SABRE_ESS_RATE_384000 0x0b + +extern const struct regmap_config sabre_ess_regmap; + +int sabre_ess_probe(struct device *dev, struct regmap *regmap); +void sabre_ess_remove(struct device *dev); + +#endif /* _SND_SOC_SABRE_ESS_ */