cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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tlv320aic3x-spi.c (1945B)

      1/* SPDX-License-Identifier: GPL-2.0
      2 *
      3 * ALSA SoC TLV320AIC3x codec driver SPI interface
      4 *
      5 * Author:      Arun KS, <arunks@mistralsolutions.com>
      6 * Copyright:   (C) 2008 Mistral Solutions Pvt Ltd.,
      7 *
      8 * Based on sound/soc/codecs/wm8731.c by Richard Purdie
      9 *
     10 */
     11
     12#include <linux/spi/spi.h>
     13#include <linux/module.h>
     14#include <linux/of.h>
     15#include <linux/regmap.h>
     16#include <sound/soc.h>
     17
     18#include "tlv320aic3x.h"
     19
     20static int aic3x_spi_probe(struct spi_device *spi)
     21{
     22	struct regmap *regmap;
     23	struct regmap_config config;
     24	const struct spi_device_id *id = spi_get_device_id(spi);
     25
     26	config = aic3x_regmap;
     27	config.reg_bits = 7;
     28	config.pad_bits = 1;
     29	config.val_bits = 8;
     30	config.read_flag_mask = 0x01;
     31
     32	dev_dbg(&spi->dev, "probing tlv320aic3x spi device\n");
     33
     34	regmap = devm_regmap_init_spi(spi, &config);
     35	return aic3x_probe(&spi->dev, regmap, id->driver_data);
     36}
     37
     38static void aic3x_spi_remove(struct spi_device *spi)
     39{
     40	aic3x_remove(&spi->dev);
     41}
     42
     43static const struct spi_device_id aic3x_spi_id[] = {
     44	{ "tlv320aic3x", AIC3X_MODEL_3X },
     45	{ "tlv320aic33", AIC3X_MODEL_33 },
     46	{ "tlv320aic3007", AIC3X_MODEL_3007 },
     47	{ "tlv320aic3104", AIC3X_MODEL_3104 },
     48	{ "tlv320aic3106", AIC3X_MODEL_3106 },
     49	{ }
     50};
     51MODULE_DEVICE_TABLE(spi, aic3x_spi_id);
     52
     53static const struct of_device_id aic3x_of_id[] = {
     54	{ .compatible = "ti,tlv320aic3x", },
     55	{ .compatible = "ti,tlv320aic33" },
     56	{ .compatible = "ti,tlv320aic3007" },
     57	{ .compatible = "ti,tlv320aic3104" },
     58	{ .compatible = "ti,tlv320aic3106" },
     59	{},
     60};
     61MODULE_DEVICE_TABLE(of, aic3x_of_id);
     62
     63static struct spi_driver aic3x_spi_driver = {
     64	.driver = {
     65		.name = "tlv320aic3x",
     66		.owner = THIS_MODULE,
     67		.of_match_table = aic3x_of_id,
     68	},
     69	.probe = aic3x_spi_probe,
     70	.remove = aic3x_spi_remove,
     71	.id_table = aic3x_spi_id,
     72};
     73
     74module_spi_driver(aic3x_spi_driver);
     75
     76MODULE_DESCRIPTION("ASoC TLV320AIC3x codec driver SPI");
     77MODULE_AUTHOR("Arun KS <arunks@mistralsolutions.com>");
     78MODULE_LICENSE("GPL");