diff options
Diffstat (limited to 'sound/soc/codecs/ad193x.c')
| -rw-r--r-- | sound/soc/codecs/ad193x.c | 154 |
1 files changed, 18 insertions, 136 deletions
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index 5a42dca535b7..6844d0b2af68 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -6,12 +6,10 @@ * Licensed under the GPL-2 or later. */ -#include <linux/init.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/device.h> -#include <linux/i2c.h> -#include <linux/spi/spi.h> +#include <linux/regmap.h> #include <linux/slab.h> #include <sound/core.h> #include <sound/pcm.h> @@ -19,6 +17,7 @@ #include <sound/initval.h> #include <sound/soc.h> #include <sound/tlv.h> + #include "ad193x.h" /* codec private data */ @@ -32,8 +31,8 @@ struct ad193x_priv { */ static const char * const ad193x_deemp[] = {"None", "48kHz", "44.1kHz", "32kHz"}; -static const struct soc_enum ad193x_deemp_enum = - SOC_ENUM_SINGLE(AD193X_DAC_CTRL2, 1, 4, ad193x_deemp); +static SOC_ENUM_SINGLE_DECL(ad193x_deemp_enum, AD193X_DAC_CTRL2, 1, + ad193x_deemp); static const DECLARE_TLV_DB_MINMAX(adau193x_tlv, -9563, 0); @@ -320,17 +319,9 @@ static struct snd_soc_dai_driver ad193x_dai = { .ops = &ad193x_dai_ops, }; -static int ad193x_probe(struct snd_soc_codec *codec) +static int ad193x_codec_probe(struct snd_soc_codec *codec) { struct ad193x_priv *ad193x = snd_soc_codec_get_drvdata(codec); - int ret; - - codec->control_data = ad193x->regmap; - ret = snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); - if (ret < 0) { - dev_err(codec->dev, "failed to set cache I/O: %d\n", ret); - return ret; - } /* default setting for ad193x */ @@ -348,11 +339,11 @@ static int ad193x_probe(struct snd_soc_codec *codec) regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL0, 0x99); /* mclk=24.576Mhz: 0x9D; mclk=12.288Mhz: 0x99 */ regmap_write(ad193x->regmap, AD193X_PLL_CLK_CTRL1, 0x04); - return ret; + return 0; } static struct snd_soc_codec_driver soc_codec_dev_ad193x = { - .probe = ad193x_probe, + .probe = ad193x_codec_probe, .controls = ad193x_snd_controls, .num_controls = ARRAY_SIZE(ad193x_snd_controls), .dapm_widgets = ad193x_dapm_widgets, @@ -366,140 +357,31 @@ static bool adau193x_reg_volatile(struct device *dev, unsigned int reg) return false; } -#if defined(CONFIG_SPI_MASTER) - -static const struct regmap_config ad193x_spi_regmap_config = { - .val_bits = 8, - .reg_bits = 16, - .read_flag_mask = 0x09, - .write_flag_mask = 0x08, - +const struct regmap_config ad193x_regmap_config = { .max_register = AD193X_NUM_REGS - 1, .volatile_reg = adau193x_reg_volatile, }; +EXPORT_SYMBOL_GPL(ad193x_regmap_config); -static int ad193x_spi_probe(struct spi_device *spi) +int ad193x_probe(struct device *dev, struct regmap *regmap) { struct ad193x_priv *ad193x; - ad193x = devm_kzalloc(&spi->dev, sizeof(struct ad193x_priv), - GFP_KERNEL); - if (ad193x == NULL) - return -ENOMEM; - - ad193x->regmap = devm_regmap_init_spi(spi, &ad193x_spi_regmap_config); - if (IS_ERR(ad193x->regmap)) - return PTR_ERR(ad193x->regmap); - - spi_set_drvdata(spi, ad193x); - - return snd_soc_register_codec(&spi->dev, &soc_codec_dev_ad193x, - &ad193x_dai, 1); -} - -static int ad193x_spi_remove(struct spi_device *spi) -{ - snd_soc_unregister_codec(&spi->dev); - return 0; -} - -static struct spi_driver ad193x_spi_driver = { - .driver = { - .name = "ad193x", - .owner = THIS_MODULE, - }, - .probe = ad193x_spi_probe, - .remove = ad193x_spi_remove, -}; -#endif - -#if IS_ENABLED(CONFIG_I2C) - -static const struct regmap_config ad193x_i2c_regmap_config = { - .val_bits = 8, - .reg_bits = 8, - - .max_register = AD193X_NUM_REGS - 1, - .volatile_reg = adau193x_reg_volatile, -}; - -static const struct i2c_device_id ad193x_id[] = { - { "ad1936", 0 }, - { "ad1937", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ad193x_id); - -static int ad193x_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct ad193x_priv *ad193x; + if (IS_ERR(regmap)) + return PTR_ERR(regmap); - ad193x = devm_kzalloc(&client->dev, sizeof(struct ad193x_priv), - GFP_KERNEL); + ad193x = devm_kzalloc(dev, sizeof(*ad193x), GFP_KERNEL); if (ad193x == NULL) return -ENOMEM; - ad193x->regmap = devm_regmap_init_i2c(client, &ad193x_i2c_regmap_config); - if (IS_ERR(ad193x->regmap)) - return PTR_ERR(ad193x->regmap); - - i2c_set_clientdata(client, ad193x); - - return snd_soc_register_codec(&client->dev, &soc_codec_dev_ad193x, - &ad193x_dai, 1); -} - -static int ad193x_i2c_remove(struct i2c_client *client) -{ - snd_soc_unregister_codec(&client->dev); - return 0; -} - -static struct i2c_driver ad193x_i2c_driver = { - .driver = { - .name = "ad193x", - }, - .probe = ad193x_i2c_probe, - .remove = ad193x_i2c_remove, - .id_table = ad193x_id, -}; -#endif - -static int __init ad193x_modinit(void) -{ - int ret; - -#if IS_ENABLED(CONFIG_I2C) - ret = i2c_add_driver(&ad193x_i2c_driver); - if (ret != 0) { - printk(KERN_ERR "Failed to register AD193X I2C driver: %d\n", - ret); - } -#endif - -#if defined(CONFIG_SPI_MASTER) - ret = spi_register_driver(&ad193x_spi_driver); - if (ret != 0) { - printk(KERN_ERR "Failed to register AD193X SPI driver: %d\n", - ret); - } -#endif - return ret; -} -module_init(ad193x_modinit); + ad193x->regmap = regmap; -static void __exit ad193x_modexit(void) -{ -#if defined(CONFIG_SPI_MASTER) - spi_unregister_driver(&ad193x_spi_driver); -#endif + dev_set_drvdata(dev, ad193x); -#if IS_ENABLED(CONFIG_I2C) - i2c_del_driver(&ad193x_i2c_driver); -#endif + return snd_soc_register_codec(dev, &soc_codec_dev_ad193x, + &ad193x_dai, 1); } -module_exit(ad193x_modexit); +EXPORT_SYMBOL_GPL(ad193x_probe); MODULE_DESCRIPTION("ASoC ad193x driver"); MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>"); |