diff options
Diffstat (limited to 'sound/soc/codecs')
-rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 221 | ||||
-rw-r--r-- | sound/soc/codecs/tlv320aic3x.h | 2 |
2 files changed, 116 insertions, 107 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 126b15b18ae..5d547675b85 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -53,6 +53,7 @@ /* codec private data */ struct aic3x_priv { + struct snd_soc_codec codec; unsigned int sysclk; int master; }; @@ -1156,11 +1157,13 @@ static int aic3x_resume(struct platform_device *pdev) * initialise the AIC3X driver * register the mixer and dsp interfaces with the kernel */ -static int aic3x_init(struct snd_soc_device *socdev) +static int aic3x_init(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = socdev->card->codec; - struct aic3x_setup_data *setup = socdev->codec_data; - int reg, ret = 0; + int reg; + + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); codec->name = "tlv320aic3x"; codec->owner = THIS_MODULE; @@ -1177,13 +1180,6 @@ static int aic3x_init(struct snd_soc_device *socdev) aic3x_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT); aic3x_write(codec, AIC3X_RESET, SOFT_RESET); - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - printk(KERN_ERR "aic3x: failed to create pcms\n"); - goto pcm_err; - } - /* DAC default volume and mute */ aic3x_write(codec, LDAC_VOL, DEFAULT_VOL | MUTE_ON); aic3x_write(codec, RDAC_VOL, DEFAULT_VOL | MUTE_ON); @@ -1250,30 +1246,51 @@ static int aic3x_init(struct snd_soc_device *socdev) /* off, with power on */ aic3x_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - /* setup GPIO functions */ - aic3x_write(codec, AIC3X_GPIO1_REG, (setup->gpio_func[0] & 0xf) << 4); - aic3x_write(codec, AIC3X_GPIO2_REG, (setup->gpio_func[1] & 0xf) << 4); + return 0; +} - snd_soc_add_controls(codec, aic3x_snd_controls, - ARRAY_SIZE(aic3x_snd_controls)); - aic3x_add_widgets(codec); - ret = snd_soc_init_card(socdev); +static struct snd_soc_codec *aic3x_codec; + +static int aic3x_register(struct snd_soc_codec *codec) +{ + int ret; + + ret = aic3x_init(codec); if (ret < 0) { - printk(KERN_ERR "aic3x: failed to register card\n"); - goto card_err; + dev_err(codec->dev, "Failed to initialise device\n"); + return ret; } - return ret; + aic3x_codec = codec; -card_err: - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); -pcm_err: - kfree(codec->reg_cache); - return ret; + ret = snd_soc_register_codec(codec); + if (ret) { + dev_err(codec->dev, "Failed to register codec\n"); + return ret; + } + + ret = snd_soc_register_dai(&aic3x_dai); + if (ret) { + dev_err(codec->dev, "Failed to register dai\n"); + snd_soc_unregister_codec(codec); + return ret; + } + + return 0; } -static struct snd_soc_device *aic3x_socdev; +static int aic3x_unregister(struct aic3x_priv *aic3x) +{ + aic3x_set_bias_level(&aic3x->codec, SND_SOC_BIAS_OFF); + + snd_soc_unregister_dai(&aic3x_dai); + snd_soc_unregister_codec(&aic3x->codec); + + kfree(aic3x); + aic3x_codec = NULL; + + return 0; +} #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) /* @@ -1288,28 +1305,36 @@ static struct snd_soc_device *aic3x_socdev; static int aic3x_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { - struct snd_soc_device *socdev = aic3x_socdev; - struct snd_soc_codec *codec = socdev->card->codec; - int ret; + struct snd_soc_codec *codec; + struct aic3x_priv *aic3x; - i2c_set_clientdata(i2c, codec); + aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL); + if (aic3x == NULL) { + dev_err(&i2c->dev, "failed to create private data\n"); + return -ENOMEM; + } + + codec = &aic3x->codec; + codec->dev = &i2c->dev; + codec->private_data = aic3x; codec->control_data = i2c; + codec->hw_write = (hw_write_t) i2c_master_send; - ret = aic3x_init(socdev); - if (ret < 0) - printk(KERN_ERR "aic3x: failed to initialise AIC3X\n"); - return ret; + i2c_set_clientdata(i2c, aic3x); + + return aic3x_register(codec); } static int aic3x_i2c_remove(struct i2c_client *client) { - struct snd_soc_codec *codec = i2c_get_clientdata(client); - kfree(codec->reg_cache); - return 0; + struct aic3x_priv *aic3x = i2c_get_clientdata(client); + + return aic3x_unregister(aic3x); } static const struct i2c_device_id aic3x_i2c_id[] = { { "tlv320aic3x", 0 }, + { "tlv320aic33", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id); @@ -1320,50 +1345,28 @@ static struct i2c_driver aic3x_i2c_driver = { .name = "aic3x I2C Codec", .owner = THIS_MODULE, }, - .probe = aic3x_i2c_probe, + .probe = aic3x_i2c_probe, .remove = aic3x_i2c_remove, .id_table = aic3x_i2c_id, }; -static int aic3x_add_i2c_device(struct platform_device *pdev, - const struct aic3x_setup_data *setup) +static inline void aic3x_i2c_init(void) { - struct i2c_board_info info; - struct i2c_adapter *adapter; - struct i2c_client *client; int ret; ret = i2c_add_driver(&aic3x_i2c_driver); - if (ret != 0) { - dev_err(&pdev->dev, "can't add i2c driver\n"); - return ret; - } - - memset(&info, 0, sizeof(struct i2c_board_info)); - info.addr = setup->i2c_address; - strlcpy(info.type, "tlv320aic3x", I2C_NAME_SIZE); - - adapter = i2c_get_adapter(setup->i2c_bus); - if (!adapter) { - dev_err(&pdev->dev, "can't get i2c adapter %d\n", - setup->i2c_bus); - goto err_driver; - } - - client = i2c_new_device(adapter, &info); - i2c_put_adapter(adapter); - if (!client) { - dev_err(&pdev->dev, "can't add i2c device at 0x%x\n", - (unsigned int)info.addr); - goto err_driver; - } - - return 0; + if (ret) + printk(KERN_ERR "%s: error regsitering i2c driver, %d\n", + __func__, ret); +} -err_driver: +static inline void aic3x_i2c_exit(void) +{ i2c_del_driver(&aic3x_i2c_driver); - return -ENODEV; } +#else +static inline void aic3x_i2c_init(void) { } +static inline void aic3x_i2c_exit(void) { } #endif static int aic3x_probe(struct platform_device *pdev) @@ -1371,42 +1374,52 @@ static int aic3x_probe(struct platform_device *pdev) struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct aic3x_setup_data *setup; struct snd_soc_codec *codec; - struct aic3x_priv *aic3x; int ret = 0; - printk(KERN_INFO "AIC3X Audio Codec %s\n", AIC3X_VERSION); + codec = aic3x_codec; + if (!codec) { + dev_err(&pdev->dev, "Codec not registered\n"); + return -ENODEV; + } + socdev->card->codec = codec; setup = socdev->codec_data; - codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); - if (codec == NULL) - return -ENOMEM; - aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL); - if (aic3x == NULL) { - kfree(codec); - return -ENOMEM; + if (!setup) { + dev_err(&pdev->dev, "No setup data supplied\n"); + return -EINVAL; } - codec->private_data = aic3x; - socdev->card->codec = codec; - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); + /* setup GPIO functions */ + aic3x_write(codec, AIC3X_GPIO1_REG, (setup->gpio_func[0] & 0xf) << 4); + aic3x_write(codec, AIC3X_GPIO2_REG, (setup->gpio_func[1] & 0xf) << 4); - aic3x_socdev = socdev; -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - if (setup->i2c_address) { - codec->hw_write = (hw_write_t) i2c_master_send; - ret = aic3x_add_i2c_device(pdev, setup); + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + printk(KERN_ERR "aic3x: failed to create pcms\n"); + goto pcm_err; } -#else - /* Add other interfaces here */ -#endif - if (ret != 0) { - kfree(codec->private_data); - kfree(codec); + snd_soc_add_controls(codec, aic3x_snd_controls, + ARRAY_SIZE(aic3x_snd_controls)); + + aic3x_add_widgets(codec); + + ret = snd_soc_init_card(socdev); + if (ret < 0) { + printk(KERN_ERR "aic3x: failed to register card\n"); + goto card_err; } + + return ret; + +card_err: + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); + +pcm_err: + kfree(codec->reg_cache); return ret; } @@ -1421,12 +1434,8 @@ static int aic3x_remove(struct platform_device *pdev) snd_soc_free_pcms(socdev); snd_soc_dapm_free(socdev); -#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - i2c_unregister_device(codec->control_data); - i2c_del_driver(&aic3x_i2c_driver); -#endif - kfree(codec->private_data); - kfree(codec); + + kfree(codec->reg_cache); return 0; } @@ -1441,13 +1450,15 @@ EXPORT_SYMBOL_GPL(soc_codec_dev_aic3x); static int __init aic3x_modinit(void) { - return snd_soc_register_dai(&aic3x_dai); + aic3x_i2c_init(); + + return 0; } module_init(aic3x_modinit); static void __exit aic3x_exit(void) { - snd_soc_unregister_dai(&aic3x_dai); + aic3x_i2c_exit(); } module_exit(aic3x_exit); diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h index ac827e578c4..9af1c886213 100644 --- a/sound/soc/codecs/tlv320aic3x.h +++ b/sound/soc/codecs/tlv320aic3x.h @@ -282,8 +282,6 @@ int aic3x_headset_detected(struct snd_soc_codec *codec); int aic3x_button_pressed(struct snd_soc_codec *codec); struct aic3x_setup_data { - int i2c_bus; - unsigned short i2c_address; unsigned int gpio_func[2]; }; |