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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tlv320aic32x4-i2c.c (2189B)

      1/* SPDX-License-Identifier: GPL-2.0
      2 *
      3 * Copyright 2011-2019 NW Digital Radio
      4 *
      5 * Author: Annaliese McDermond <nh6z@nh6z.net>
      6 *
      7 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
      8 *
      9 */
     10
     11#include <linux/i2c.h>
     12#include <linux/module.h>
     13#include <linux/of.h>
     14#include <linux/regmap.h>
     15#include <sound/soc.h>
     16
     17#include "tlv320aic32x4.h"
     18
     19static const struct of_device_id aic32x4_of_id[];
     20static const struct i2c_device_id aic32x4_i2c_id[];
     21
     22static int aic32x4_i2c_probe(struct i2c_client *i2c)
     23{
     24	struct regmap *regmap;
     25	struct regmap_config config;
     26
     27	config = aic32x4_regmap_config;
     28	config.reg_bits = 8;
     29	config.val_bits = 8;
     30
     31	regmap = devm_regmap_init_i2c(i2c, &config);
     32
     33	if (i2c->dev.of_node) {
     34		const struct of_device_id *oid;
     35
     36		oid = of_match_node(aic32x4_of_id, i2c->dev.of_node);
     37		dev_set_drvdata(&i2c->dev, (void *)oid->data);
     38	} else {
     39		const struct i2c_device_id *id;
     40
     41		id = i2c_match_id(aic32x4_i2c_id, i2c);
     42		dev_set_drvdata(&i2c->dev, (void *)id->driver_data);
     43	}
     44
     45	return aic32x4_probe(&i2c->dev, regmap);
     46}
     47
     48static int aic32x4_i2c_remove(struct i2c_client *i2c)
     49{
     50	aic32x4_remove(&i2c->dev);
     51
     52	return 0;
     53}
     54
     55static const struct i2c_device_id aic32x4_i2c_id[] = {
     56	{ "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
     57	{ "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
     58	{ "tas2505", (kernel_ulong_t)AIC32X4_TYPE_TAS2505 },
     59	{ /* sentinel */ }
     60};
     61MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
     62
     63static const struct of_device_id aic32x4_of_id[] = {
     64	{ .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
     65	{ .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
     66	{ .compatible = "ti,tas2505", .data = (void *)AIC32X4_TYPE_TAS2505 },
     67	{ /* senitel */ }
     68};
     69MODULE_DEVICE_TABLE(of, aic32x4_of_id);
     70
     71static struct i2c_driver aic32x4_i2c_driver = {
     72	.driver = {
     73		.name = "tlv320aic32x4",
     74		.of_match_table = aic32x4_of_id,
     75	},
     76	.probe_new = aic32x4_i2c_probe,
     77	.remove =   aic32x4_i2c_remove,
     78	.id_table = aic32x4_i2c_id,
     79};
     80
     81module_i2c_driver(aic32x4_i2c_driver);
     82
     83MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C");
     84MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
     85MODULE_LICENSE("GPL");