84 строки
2.0 KiB
C
84 строки
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright 2011-2019 NW Digital Radio
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*
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* Author: Annaliese McDermond <nh6z@nh6z.net>
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*
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* Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
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*
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*/
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#include <linux/spi/spi.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/regmap.h>
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#include <sound/soc.h>
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#include "tlv320aic32x4.h"
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static const struct of_device_id aic32x4_of_id[];
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static int aic32x4_spi_probe(struct spi_device *spi)
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{
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struct regmap *regmap;
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struct regmap_config config;
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config = aic32x4_regmap_config;
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config.reg_bits = 7;
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config.pad_bits = 1;
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config.val_bits = 8;
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config.read_flag_mask = 0x01;
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regmap = devm_regmap_init_spi(spi, &config);
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if (spi->dev.of_node) {
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const struct of_device_id *oid;
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oid = of_match_node(aic32x4_of_id, spi->dev.of_node);
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dev_set_drvdata(&spi->dev, (void *)oid->data);
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} else {
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const struct spi_device_id *id_entry;
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id_entry = spi_get_device_id(spi);
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dev_set_drvdata(&spi->dev, (void *)id_entry->driver_data);
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}
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return aic32x4_probe(&spi->dev, regmap);
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}
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static int aic32x4_spi_remove(struct spi_device *spi)
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{
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return aic32x4_remove(&spi->dev);
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}
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static const struct spi_device_id aic32x4_spi_id[] = {
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{ "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
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{ "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(spi, aic32x4_spi_id);
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static const struct of_device_id aic32x4_of_id[] = {
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{ .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
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{ .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
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{ /* senitel */ }
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};
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MODULE_DEVICE_TABLE(of, aic32x4_of_id);
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static struct spi_driver aic32x4_spi_driver = {
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.driver = {
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.name = "tlv320aic32x4",
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.owner = THIS_MODULE,
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.of_match_table = aic32x4_of_id,
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},
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.probe = aic32x4_spi_probe,
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.remove = aic32x4_spi_remove,
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.id_table = aic32x4_spi_id,
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};
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module_spi_driver(aic32x4_spi_driver);
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MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver SPI");
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MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
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MODULE_LICENSE("GPL");
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