From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- sound/soc/codecs/pcm1792a.c | 271 -------------------------------------------- 1 file changed, 271 deletions(-) delete mode 100644 sound/soc/codecs/pcm1792a.c (limited to 'sound/soc/codecs/pcm1792a.c') diff --git a/sound/soc/codecs/pcm1792a.c b/sound/soc/codecs/pcm1792a.c deleted file mode 100644 index 08bb4863e..000000000 --- a/sound/soc/codecs/pcm1792a.c +++ /dev/null @@ -1,271 +0,0 @@ -/* - * PCM1792A ASoC codec driver - * - * Copyright (c) Amarula Solutions B.V. 2013 - * - * Michael Trimarchi - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * 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 "pcm1792a.h" - -#define PCM1792A_DAC_VOL_LEFT 0x10 -#define PCM1792A_DAC_VOL_RIGHT 0x11 -#define PCM1792A_FMT_CONTROL 0x12 -#define PCM1792A_MODE_CONTROL 0x13 -#define PCM1792A_SOFT_MUTE PCM1792A_FMT_CONTROL - -#define PCM1792A_FMT_MASK 0x70 -#define PCM1792A_FMT_SHIFT 4 -#define PCM1792A_MUTE_MASK 0x01 -#define PCM1792A_MUTE_SHIFT 0 -#define PCM1792A_ATLD_ENABLE (1 << 7) - -static const struct reg_default pcm1792a_reg_defaults[] = { - { 0x10, 0xff }, - { 0x11, 0xff }, - { 0x12, 0x50 }, - { 0x13, 0x00 }, - { 0x14, 0x00 }, - { 0x15, 0x01 }, - { 0x16, 0x00 }, - { 0x17, 0x00 }, -}; - -static bool pcm1792a_accessible_reg(struct device *dev, unsigned int reg) -{ - return reg >= 0x10 && reg <= 0x17; -} - -static bool pcm1792a_writeable_reg(struct device *dev, unsigned register reg) -{ - bool accessible; - - accessible = pcm1792a_accessible_reg(dev, reg); - - return accessible && reg != 0x16 && reg != 0x17; -} - -struct pcm1792a_private { - struct regmap *regmap; - unsigned int format; - unsigned int rate; -}; - -static int pcm1792a_set_dai_fmt(struct snd_soc_dai *codec_dai, - unsigned int format) -{ - struct snd_soc_codec *codec = codec_dai->codec; - struct pcm1792a_private *priv = snd_soc_codec_get_drvdata(codec); - - priv->format = format; - - return 0; -} - -static int pcm1792a_digital_mute(struct snd_soc_dai *dai, int mute) -{ - struct snd_soc_codec *codec = dai->codec; - struct pcm1792a_private *priv = snd_soc_codec_get_drvdata(codec); - int ret; - - ret = regmap_update_bits(priv->regmap, PCM1792A_SOFT_MUTE, - PCM1792A_MUTE_MASK, !!mute); - if (ret < 0) - return ret; - - return 0; -} - -static int pcm1792a_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 pcm1792a_private *priv = snd_soc_codec_get_drvdata(codec); - int val = 0, ret; - - priv->rate = params_rate(params); - - switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_RIGHT_J: - switch (params_width(params)) { - case 24: - case 32: - val = 2; - break; - case 16: - val = 0; - break; - default: - return -EINVAL; - } - break; - case SND_SOC_DAIFMT_I2S: - switch (params_width(params)) { - case 24: - case 32: - val = 5; - break; - case 16: - val = 4; - break; - default: - return -EINVAL; - } - break; - default: - dev_err(codec->dev, "Invalid DAI format\n"); - return -EINVAL; - } - - val = val << PCM1792A_FMT_SHIFT | PCM1792A_ATLD_ENABLE; - - ret = regmap_update_bits(priv->regmap, PCM1792A_FMT_CONTROL, - PCM1792A_FMT_MASK | PCM1792A_ATLD_ENABLE, val); - if (ret < 0) - return ret; - - return 0; -} - -static const struct snd_soc_dai_ops pcm1792a_dai_ops = { - .set_fmt = pcm1792a_set_dai_fmt, - .hw_params = pcm1792a_hw_params, - .digital_mute = pcm1792a_digital_mute, -}; - -static const DECLARE_TLV_DB_SCALE(pcm1792a_dac_tlv, -12000, 50, 1); - -static const struct snd_kcontrol_new pcm1792a_controls[] = { - SOC_DOUBLE_R_RANGE_TLV("DAC Playback Volume", PCM1792A_DAC_VOL_LEFT, - PCM1792A_DAC_VOL_RIGHT, 0, 0xf, 0xff, 0, - pcm1792a_dac_tlv), - SOC_SINGLE("DAC Invert Output Switch", PCM1792A_MODE_CONTROL, 7, 1, 0), - SOC_SINGLE("DAC Rolloff Filter Switch", PCM1792A_MODE_CONTROL, 1, 1, 0), -}; - -static const struct snd_soc_dapm_widget pcm1792a_dapm_widgets[] = { -SND_SOC_DAPM_OUTPUT("IOUTL+"), -SND_SOC_DAPM_OUTPUT("IOUTL-"), -SND_SOC_DAPM_OUTPUT("IOUTR+"), -SND_SOC_DAPM_OUTPUT("IOUTR-"), -}; - -static const struct snd_soc_dapm_route pcm1792a_dapm_routes[] = { - { "IOUTL+", NULL, "Playback" }, - { "IOUTL-", NULL, "Playback" }, - { "IOUTR+", NULL, "Playback" }, - { "IOUTR-", NULL, "Playback" }, -}; - -static struct snd_soc_dai_driver pcm1792a_dai = { - .name = "pcm1792a-hifi", - .playback = { - .stream_name = "Playback", - .channels_min = 2, - .channels_max = 2, - .rates = PCM1792A_RATES, - .formats = PCM1792A_FORMATS, }, - .ops = &pcm1792a_dai_ops, -}; - -static const struct of_device_id pcm1792a_of_match[] = { - { .compatible = "ti,pcm1792a", }, - { } -}; -MODULE_DEVICE_TABLE(of, pcm1792a_of_match); - -static const struct regmap_config pcm1792a_regmap = { - .reg_bits = 8, - .val_bits = 8, - .max_register = 23, - .reg_defaults = pcm1792a_reg_defaults, - .num_reg_defaults = ARRAY_SIZE(pcm1792a_reg_defaults), - .writeable_reg = pcm1792a_writeable_reg, - .readable_reg = pcm1792a_accessible_reg, -}; - -static struct snd_soc_codec_driver soc_codec_dev_pcm1792a = { - .controls = pcm1792a_controls, - .num_controls = ARRAY_SIZE(pcm1792a_controls), - .dapm_widgets = pcm1792a_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(pcm1792a_dapm_widgets), - .dapm_routes = pcm1792a_dapm_routes, - .num_dapm_routes = ARRAY_SIZE(pcm1792a_dapm_routes), -}; - -static int pcm1792a_spi_probe(struct spi_device *spi) -{ - struct pcm1792a_private *pcm1792a; - int ret; - - pcm1792a = devm_kzalloc(&spi->dev, sizeof(struct pcm1792a_private), - GFP_KERNEL); - if (!pcm1792a) - return -ENOMEM; - - spi_set_drvdata(spi, pcm1792a); - - pcm1792a->regmap = devm_regmap_init_spi(spi, &pcm1792a_regmap); - if (IS_ERR(pcm1792a->regmap)) { - ret = PTR_ERR(pcm1792a->regmap); - dev_err(&spi->dev, "Failed to register regmap: %d\n", ret); - return ret; - } - - return snd_soc_register_codec(&spi->dev, - &soc_codec_dev_pcm1792a, &pcm1792a_dai, 1); -} - -static int pcm1792a_spi_remove(struct spi_device *spi) -{ - snd_soc_unregister_codec(&spi->dev); - return 0; -} - -static const struct spi_device_id pcm1792a_spi_ids[] = { - { "pcm1792a", 0 }, - { }, -}; -MODULE_DEVICE_TABLE(spi, pcm1792a_spi_ids); - -static struct spi_driver pcm1792a_codec_driver = { - .driver = { - .name = "pcm1792a", - .of_match_table = of_match_ptr(pcm1792a_of_match), - }, - .id_table = pcm1792a_spi_ids, - .probe = pcm1792a_spi_probe, - .remove = pcm1792a_spi_remove, -}; - -module_spi_driver(pcm1792a_codec_driver); - -MODULE_DESCRIPTION("ASoC PCM1792A driver"); -MODULE_AUTHOR("Michael Trimarchi "); -MODULE_LICENSE("GPL"); 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