--- zzzz-none-000/linux-3.10.107/sound/soc/codecs/cs4271.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/sound/soc/codecs/cs4271.c 2021-02-04 17:41:59.000000000 +0000 @@ -23,14 +23,14 @@ #include #include #include -#include -#include +#include #include #include #include #include #include #include +#include "cs4271.h" #define CS4271_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S24_LE | \ @@ -158,7 +158,6 @@ } struct cs4271_private { - /* SND_SOC_I2C or SND_SOC_SPI */ unsigned int mclk; bool master; bool deemph; @@ -173,6 +172,26 @@ bool enable_soft_reset; }; +static const struct snd_soc_dapm_widget cs4271_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("AINA"), +SND_SOC_DAPM_INPUT("AINB"), + +SND_SOC_DAPM_OUTPUT("AOUTA+"), +SND_SOC_DAPM_OUTPUT("AOUTA-"), +SND_SOC_DAPM_OUTPUT("AOUTB+"), +SND_SOC_DAPM_OUTPUT("AOUTB-"), +}; + +static const struct snd_soc_dapm_route cs4271_dapm_routes[] = { + { "Capture", NULL, "AINA" }, + { "Capture", NULL, "AINB" }, + + { "AOUTA+", NULL, "Playback" }, + { "AOUTA-", NULL, "Playback" }, + { "AOUTB+", NULL, "Playback" }, + { "AOUTB-", NULL, "Playback" }, +}; + /* * @freq is the desired MCLK rate * MCLK rate should (c) be the sample rate, multiplied by one of the @@ -264,7 +283,7 @@ static int cs4271_get_deemph(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec); ucontrol->value.integer.value[0] = cs4271->deemph; @@ -274,7 +293,7 @@ static int cs4271_put_deemph(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec); cs4271->deemph = ucontrol->value.integer.value[0]; @@ -507,26 +526,23 @@ #endif /* CONFIG_PM */ #ifdef CONFIG_OF -static const struct of_device_id cs4271_dt_ids[] = { +const struct of_device_id cs4271_dt_ids[] = { { .compatible = "cirrus,cs4271", }, { } }; MODULE_DEVICE_TABLE(of, cs4271_dt_ids); +EXPORT_SYMBOL_GPL(cs4271_dt_ids); #endif -static int cs4271_probe(struct snd_soc_codec *codec) +static int cs4271_codec_probe(struct snd_soc_codec *codec) { struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec); struct cs4271_platform_data *cs4271plat = codec->dev->platform_data; int ret; - int gpio_nreset = -EINVAL; bool amutec_eq_bmutec = false; #ifdef CONFIG_OF if (of_match_device(cs4271_dt_ids, codec->dev)) { - gpio_nreset = of_get_named_gpio(codec->dev->of_node, - "reset-gpio", 0); - if (of_get_property(codec->dev->of_node, "cirrus,amutec-eq-bmutec", NULL)) amutec_eq_bmutec = true; @@ -538,27 +554,19 @@ #endif if (cs4271plat) { - if (gpio_is_valid(cs4271plat->gpio_nreset)) - gpio_nreset = cs4271plat->gpio_nreset; - amutec_eq_bmutec = cs4271plat->amutec_eq_bmutec; cs4271->enable_soft_reset = cs4271plat->enable_soft_reset; } - if (gpio_nreset >= 0) - if (devm_gpio_request(codec->dev, gpio_nreset, "CS4271 Reset")) - gpio_nreset = -EINVAL; - if (gpio_nreset >= 0) { + if (gpio_is_valid(cs4271->gpio_nreset)) { /* Reset codec */ - gpio_direction_output(gpio_nreset, 0); - udelay(1); - gpio_set_value(gpio_nreset, 1); + gpio_direction_output(cs4271->gpio_nreset, 0); + mdelay(1); + gpio_set_value(cs4271->gpio_nreset, 1); /* Give the codec time to wake up */ - udelay(1); + mdelay(1); } - cs4271->gpio_nreset = gpio_nreset; - ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2, CS4271_MODE2_PDN | CS4271_MODE2_CPEN, CS4271_MODE2_PDN | CS4271_MODE2_CPEN); @@ -576,11 +584,10 @@ CS4271_MODE2_MUTECAEQUB, CS4271_MODE2_MUTECAEQUB); - return snd_soc_add_codec_controls(codec, cs4271_snd_controls, - ARRAY_SIZE(cs4271_snd_controls)); + return 0; } -static int cs4271_remove(struct snd_soc_codec *codec) +static int cs4271_codec_remove(struct snd_soc_codec *codec) { struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec); @@ -592,72 +599,50 @@ }; static struct snd_soc_codec_driver soc_codec_dev_cs4271 = { - .probe = cs4271_probe, - .remove = cs4271_remove, + .probe = cs4271_codec_probe, + .remove = cs4271_codec_remove, .suspend = cs4271_soc_suspend, .resume = cs4271_soc_resume, -}; - -#if defined(CONFIG_SPI_MASTER) - -static const struct regmap_config cs4271_spi_regmap = { - .reg_bits = 16, - .val_bits = 8, - .max_register = CS4271_LASTREG, - .read_flag_mask = 0x21, - .write_flag_mask = 0x20, - - .reg_defaults = cs4271_reg_defaults, - .num_reg_defaults = ARRAY_SIZE(cs4271_reg_defaults), - .cache_type = REGCACHE_RBTREE, - .volatile_reg = cs4271_volatile_reg, + .controls = cs4271_snd_controls, + .num_controls = ARRAY_SIZE(cs4271_snd_controls), + .dapm_widgets = cs4271_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(cs4271_dapm_widgets), + .dapm_routes = cs4271_dapm_routes, + .num_dapm_routes = ARRAY_SIZE(cs4271_dapm_routes), }; -static int cs4271_spi_probe(struct spi_device *spi) +static int cs4271_common_probe(struct device *dev, + struct cs4271_private **c) { + struct cs4271_platform_data *cs4271plat = dev->platform_data; struct cs4271_private *cs4271; - cs4271 = devm_kzalloc(&spi->dev, sizeof(*cs4271), GFP_KERNEL); + cs4271 = devm_kzalloc(dev, sizeof(*cs4271), GFP_KERNEL); if (!cs4271) return -ENOMEM; - spi_set_drvdata(spi, cs4271); - cs4271->regmap = devm_regmap_init_spi(spi, &cs4271_spi_regmap); - if (IS_ERR(cs4271->regmap)) - return PTR_ERR(cs4271->regmap); + if (of_match_device(cs4271_dt_ids, dev)) + cs4271->gpio_nreset = + of_get_named_gpio(dev->of_node, "reset-gpio", 0); - return snd_soc_register_codec(&spi->dev, &soc_codec_dev_cs4271, - &cs4271_dai, 1); -} + if (cs4271plat) + cs4271->gpio_nreset = cs4271plat->gpio_nreset; -static int cs4271_spi_remove(struct spi_device *spi) -{ - snd_soc_unregister_codec(&spi->dev); - return 0; -} + if (gpio_is_valid(cs4271->gpio_nreset)) { + int ret; -static struct spi_driver cs4271_spi_driver = { - .driver = { - .name = "cs4271", - .owner = THIS_MODULE, - .of_match_table = of_match_ptr(cs4271_dt_ids), - }, - .probe = cs4271_spi_probe, - .remove = cs4271_spi_remove, -}; -#endif /* defined(CONFIG_SPI_MASTER) */ + ret = devm_gpio_request(dev, cs4271->gpio_nreset, + "CS4271 Reset"); + if (ret < 0) + return ret; + } -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) -static const struct i2c_device_id cs4271_i2c_id[] = { - {"cs4271", 0}, - {} -}; -MODULE_DEVICE_TABLE(i2c, cs4271_i2c_id); + *c = cs4271; + return 0; +} -static const struct regmap_config cs4271_i2c_regmap = { - .reg_bits = 8, - .val_bits = 8, +const struct regmap_config cs4271_regmap_config = { .max_register = CS4271_LASTREG, .reg_defaults = cs4271_reg_defaults, @@ -666,85 +651,27 @@ .volatile_reg = cs4271_volatile_reg, }; +EXPORT_SYMBOL_GPL(cs4271_regmap_config); -static int cs4271_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) +int cs4271_probe(struct device *dev, struct regmap *regmap) { struct cs4271_private *cs4271; - - cs4271 = devm_kzalloc(&client->dev, sizeof(*cs4271), GFP_KERNEL); - if (!cs4271) - return -ENOMEM; - - i2c_set_clientdata(client, cs4271); - cs4271->regmap = devm_regmap_init_i2c(client, &cs4271_i2c_regmap); - if (IS_ERR(cs4271->regmap)) - return PTR_ERR(cs4271->regmap); - - return snd_soc_register_codec(&client->dev, &soc_codec_dev_cs4271, - &cs4271_dai, 1); -} - -static int cs4271_i2c_remove(struct i2c_client *client) -{ - snd_soc_unregister_codec(&client->dev); - return 0; -} - -static struct i2c_driver cs4271_i2c_driver = { - .driver = { - .name = "cs4271", - .owner = THIS_MODULE, - .of_match_table = of_match_ptr(cs4271_dt_ids), - }, - .id_table = cs4271_i2c_id, - .probe = cs4271_i2c_probe, - .remove = cs4271_i2c_remove, -}; -#endif /* defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) */ - -/* - * We only register our serial bus driver here without - * assignment to particular chip. So if any of the below - * fails, there is some problem with I2C or SPI subsystem. - * In most cases this module will be compiled with support - * of only one serial bus. - */ -static int __init cs4271_modinit(void) -{ int ret; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - ret = i2c_add_driver(&cs4271_i2c_driver); - if (ret) { - pr_err("Failed to register CS4271 I2C driver: %d\n", ret); - return ret; - } -#endif + if (IS_ERR(regmap)) + return PTR_ERR(regmap); -#if defined(CONFIG_SPI_MASTER) - ret = spi_register_driver(&cs4271_spi_driver); - if (ret) { - pr_err("Failed to register CS4271 SPI driver: %d\n", ret); + ret = cs4271_common_probe(dev, &cs4271); + if (ret < 0) return ret; - } -#endif - return 0; -} -module_init(cs4271_modinit); + dev_set_drvdata(dev, cs4271); + cs4271->regmap = regmap; -static void __exit cs4271_modexit(void) -{ -#if defined(CONFIG_SPI_MASTER) - spi_unregister_driver(&cs4271_spi_driver); -#endif - -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_del_driver(&cs4271_i2c_driver); -#endif + return snd_soc_register_codec(dev, &soc_codec_dev_cs4271, &cs4271_dai, + 1); } -module_exit(cs4271_modexit); +EXPORT_SYMBOL_GPL(cs4271_probe); MODULE_AUTHOR("Alexander Sverdlin "); MODULE_DESCRIPTION("Cirrus Logic CS4271 ALSA SoC Codec Driver");