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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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978858791c
CS35L63 uses a similar control interface to CS35L56 so support for it can be added into the CS35L56 driver. New regmap configs have been added to support CS35L63. CS35L63 only has SoundWire and I2C control interfaces. Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com> Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com> Link: https://patch.msgid.link/20250407151842.143393-5-sbinding@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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//
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// CS35L56 ALSA SoC audio driver I2C binding
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//
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// Copyright (C) 2023 Cirrus Logic, Inc. and
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// Cirrus Logic International Semiconductor Ltd.
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#include <linux/acpi.h>
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/regmap.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include "cs35l56.h"
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static int cs35l56_i2c_probe(struct i2c_client *client)
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{
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unsigned int id = (u32)(uintptr_t)i2c_get_match_data(client);
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struct cs35l56_private *cs35l56;
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struct device *dev = &client->dev;
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const struct regmap_config *regmap_config;
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int ret;
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cs35l56 = devm_kzalloc(dev, sizeof(struct cs35l56_private), GFP_KERNEL);
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if (!cs35l56)
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return -ENOMEM;
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cs35l56->base.dev = dev;
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cs35l56->base.can_hibernate = true;
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i2c_set_clientdata(client, cs35l56);
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switch (id) {
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case 0x3556:
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regmap_config = &cs35l56_regmap_i2c;
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cs35l56->base.fw_reg = &cs35l56_fw_reg;
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break;
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case 0x3563:
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regmap_config = &cs35l63_regmap_i2c;
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cs35l56->base.fw_reg = &cs35l63_fw_reg;
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break;
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default:
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return -ENODEV;
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}
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cs35l56->base.regmap = devm_regmap_init_i2c(client, regmap_config);
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if (IS_ERR(cs35l56->base.regmap)) {
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ret = PTR_ERR(cs35l56->base.regmap);
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return dev_err_probe(cs35l56->base.dev, ret, "Failed to allocate register map\n");
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}
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ret = cs35l56_common_probe(cs35l56);
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if (ret != 0)
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return ret;
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ret = cs35l56_init(cs35l56);
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if (ret == 0)
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ret = cs35l56_irq_request(&cs35l56->base, client->irq);
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if (ret < 0)
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cs35l56_remove(cs35l56);
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return ret;
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}
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static void cs35l56_i2c_remove(struct i2c_client *client)
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{
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struct cs35l56_private *cs35l56 = i2c_get_clientdata(client);
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cs35l56_remove(cs35l56);
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}
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static const struct i2c_device_id cs35l56_id_i2c[] = {
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{ "cs35l56", 0x3556 },
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{ "cs35l63", 0x3563 },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, cs35l56_id_i2c);
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#ifdef CONFIG_ACPI
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static const struct acpi_device_id cs35l56_asoc_acpi_match[] = {
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{ "CSC355C", 0x3556 },
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{ "CSC356C", 0x3563 },
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{},
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};
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MODULE_DEVICE_TABLE(acpi, cs35l56_asoc_acpi_match);
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#endif
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static struct i2c_driver cs35l56_i2c_driver = {
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.driver = {
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.name = "cs35l56",
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.pm = pm_ptr(&cs35l56_pm_ops_i2c_spi),
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.acpi_match_table = ACPI_PTR(cs35l56_asoc_acpi_match),
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},
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.id_table = cs35l56_id_i2c,
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.probe = cs35l56_i2c_probe,
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.remove = cs35l56_i2c_remove,
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};
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module_i2c_driver(cs35l56_i2c_driver);
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MODULE_DESCRIPTION("ASoC CS35L56 I2C driver");
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MODULE_IMPORT_NS("SND_SOC_CS35L56_CORE");
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MODULE_IMPORT_NS("SND_SOC_CS35L56_SHARED");
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MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
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MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
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MODULE_LICENSE("GPL");
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