diff options
Diffstat (limited to 'sound/soc/codecs/tlv320aic3x.c')
-rw-r--r-- | sound/soc/codecs/tlv320aic3x.c | 223 |
1 files changed, 71 insertions, 152 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c index 71a69908ccf6..43fd9c171742 100644 --- a/sound/soc/codecs/tlv320aic3x.c +++ b/sound/soc/codecs/tlv320aic3x.c @@ -63,8 +63,10 @@ static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = { /* codec private data */ struct aic3x_priv { - struct snd_soc_codec codec; struct regulator_bulk_data supplies[AIC3X_NUM_SUPPLIES]; + enum snd_soc_control_type control_type; + struct aic3x_setup_data *setup; + void *control_data; unsigned int sysclk; int master; int gpio_reset; @@ -773,8 +775,7 @@ static int aic3x_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_device *socdev = rtd->socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct snd_soc_codec *codec =rtd->codec; struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); int codec_clk = 0, bypass_pll = 0, fsref, last_clk = 0; u8 data, j, r, p, pll_q, pll_p = 1, pll_r = 1, pll_j = 1; @@ -1101,8 +1102,8 @@ static struct snd_soc_dai_ops aic3x_dai_ops = { .set_fmt = aic3x_set_dai_fmt, }; -struct snd_soc_dai aic3x_dai = { - .name = "tlv320aic3x", +static struct snd_soc_dai_driver aic3x_dai = { + .name = "tlv320aic3x-hifi", .playback = { .stream_name = "Playback", .channels_min = 1, @@ -1117,22 +1118,16 @@ struct snd_soc_dai aic3x_dai = { .formats = AIC3X_FORMATS,}, .ops = &aic3x_dai_ops, }; -EXPORT_SYMBOL_GPL(aic3x_dai); -static int aic3x_suspend(struct platform_device *pdev, pm_message_t state) +static int aic3x_suspend(struct snd_soc_codec *codec, pm_message_t state) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int aic3x_resume(struct platform_device *pdev) +static int aic3x_resume(struct snd_soc_codec *codec) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; int i; u8 data[2]; u8 *cache = codec->reg_cache; @@ -1157,22 +1152,6 @@ static int aic3x_init(struct snd_soc_codec *codec) { 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; - codec->read = aic3x_read_reg_cache; - codec->write = aic3x_write; - codec->set_bias_level = aic3x_set_bias_level; - codec->dai = &aic3x_dai; - codec->num_dai = 1; - codec->reg_cache_size = ARRAY_SIZE(aic3x_reg); - codec->reg_cache = kmemdup(aic3x_reg, sizeof(aic3x_reg), GFP_KERNEL); - if (codec->reg_cache == NULL) - return -ENOMEM; - aic3x_write(codec, AIC3X_PAGE_SELECT, PAGE0_SELECT); aic3x_write(codec, AIC3X_RESET, SOFT_RESET); @@ -1245,56 +1224,50 @@ static int aic3x_init(struct snd_soc_codec *codec) return 0; } -static struct snd_soc_codec *aic3x_codec; - -static int aic3x_register(struct snd_soc_codec *codec) +static int aic3x_probe(struct snd_soc_codec *codec) { - int ret; + struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec); + + codec->hw_write = (hw_write_t) i2c_master_send; + codec->control_data = aic3x->control_data; - ret = aic3x_init(codec); - if (ret < 0) { - dev_err(codec->dev, "Failed to initialise device\n"); - return ret; + if (aic3x->setup) { + /* setup GPIO functions */ + aic3x_write(codec, AIC3X_GPIO1_REG, + (aic3x->setup->gpio_func[0] & 0xf) << 4); + aic3x_write(codec, AIC3X_GPIO2_REG, + (aic3x->setup->gpio_func[1] & 0xf) << 4); } - aic3x_codec = codec; + aic3x_init(codec); - ret = snd_soc_register_codec(codec); - if (ret) { - dev_err(codec->dev, "Failed to register codec\n"); - return ret; - } + snd_soc_add_controls(codec, aic3x_snd_controls, + ARRAY_SIZE(aic3x_snd_controls)); - 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; - } + aic3x_add_widgets(codec); return 0; } -static int aic3x_unregister(struct aic3x_priv *aic3x) +static int aic3x_remove(struct snd_soc_codec *codec) { - aic3x_set_bias_level(&aic3x->codec, SND_SOC_BIAS_OFF); - - snd_soc_unregister_dai(&aic3x_dai); - snd_soc_unregister_codec(&aic3x->codec); - - if (aic3x->gpio_reset >= 0) { - gpio_set_value(aic3x->gpio_reset, 0); - gpio_free(aic3x->gpio_reset); - } - regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); - regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); - - kfree(aic3x); - aic3x_codec = NULL; - + aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } +static struct snd_soc_codec_driver soc_codec_dev_aic3x = { + .read = aic3x_read_reg_cache, + .write = aic3x_write, + .set_bias_level = aic3x_set_bias_level, + .reg_cache_size = ARRAY_SIZE(aic3x_reg), + .reg_word_size = sizeof(u8), + .reg_cache_default = aic3x_reg, + .probe = aic3x_probe, + .remove = aic3x_remove, + .suspend = aic3x_suspend, + .resume = aic3x_resume, +}; + #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) /* * AIC3X 2 wire address can be up to 4 devices with device addresses @@ -1308,9 +1281,9 @@ static int aic3x_unregister(struct aic3x_priv *aic3x) static int aic3x_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { - struct snd_soc_codec *codec; - struct aic3x_priv *aic3x; struct aic3x_pdata *pdata = i2c->dev.platform_data; + struct aic3x_setup_data *setup = pdata->setup; + struct aic3x_priv *aic3x; int ret, i; aic3x = kzalloc(sizeof(struct aic3x_priv), GFP_KERNEL); @@ -1319,12 +1292,8 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, return -ENOMEM; } - codec = &aic3x->codec; - codec->dev = &i2c->dev; - snd_soc_codec_set_drvdata(codec, aic3x); - codec->control_data = i2c; - codec->hw_write = (hw_write_t) i2c_master_send; - + aic3x->control_data = i2c; + aic3x->setup = setup; i2c_set_clientdata(i2c, aic3x); aic3x->gpio_reset = -1; @@ -1339,17 +1308,17 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, for (i = 0; i < ARRAY_SIZE(aic3x->supplies); i++) aic3x->supplies[i].supply = aic3x_supply_names[i]; - ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(aic3x->supplies), + ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(aic3x->supplies), aic3x->supplies); if (ret != 0) { - dev_err(codec->dev, "Failed to request supplies: %d\n", ret); + dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); goto err_get; } ret = regulator_bulk_enable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); if (ret != 0) { - dev_err(codec->dev, "Failed to enable supplies: %d\n", ret); + dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); goto err_enable; } @@ -1358,7 +1327,11 @@ static int aic3x_i2c_probe(struct i2c_client *i2c, gpio_set_value(aic3x->gpio_reset, 1); } - return aic3x_register(codec); + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_aic3x, &aic3x_dai, 1); + if (ret < 0) + goto err_enable; + return ret; err_enable: regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); @@ -1374,7 +1347,16 @@ static int aic3x_i2c_remove(struct i2c_client *client) { struct aic3x_priv *aic3x = i2c_get_clientdata(client); - return aic3x_unregister(aic3x); + if (aic3x->gpio_reset >= 0) { + gpio_set_value(aic3x->gpio_reset, 0); + gpio_free(aic3x->gpio_reset); + } + regulator_bulk_disable(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); + regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies); + + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); + return 0; } static const struct i2c_device_id aic3x_i2c_id[] = { @@ -1387,7 +1369,7 @@ MODULE_DEVICE_TABLE(i2c, aic3x_i2c_id); /* machine i2c codec control layer */ static struct i2c_driver aic3x_i2c_driver = { .driver = { - .name = "aic3x I2C Codec", + .name = "tlv320aic3x-codec", .owner = THIS_MODULE, }, .probe = aic3x_i2c_probe, @@ -1409,90 +1391,27 @@ static inline void aic3x_i2c_exit(void) { i2c_del_driver(&aic3x_i2c_driver); } -#else -static inline void aic3x_i2c_init(void) { } -static inline void aic3x_i2c_exit(void) { } #endif -static int aic3x_probe(struct platform_device *pdev) +static int __init aic3x_modinit(void) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct aic3x_setup_data *setup; - struct snd_soc_codec *codec; int ret = 0; - - codec = aic3x_codec; - if (!codec) { - dev_err(&pdev->dev, "Codec not registered\n"); - return -ENODEV; - } - - socdev->card->codec = codec; - setup = socdev->codec_data; - - if (setup) { - /* 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); - } - - /* 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; +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + ret = i2c_add_driver(&aic3x_i2c_driver); + if (ret != 0) { + printk(KERN_ERR "Failed to register TLV320AIC3x I2C driver: %d\n", + ret); } - - snd_soc_add_controls(codec, aic3x_snd_controls, - ARRAY_SIZE(aic3x_snd_controls)); - - aic3x_add_widgets(codec); - - return ret; - -pcm_err: - kfree(codec->reg_cache); +#endif return ret; } - -static int aic3x_remove(struct platform_device *pdev) -{ - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - - /* power down chip */ - if (codec->control_data) - aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF); - - snd_soc_free_pcms(socdev); - snd_soc_dapm_free(socdev); - - kfree(codec->reg_cache); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_aic3x = { - .probe = aic3x_probe, - .remove = aic3x_remove, - .suspend = aic3x_suspend, - .resume = aic3x_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_aic3x); - -static int __init aic3x_modinit(void) -{ - aic3x_i2c_init(); - - return 0; -} module_init(aic3x_modinit); static void __exit aic3x_exit(void) { - aic3x_i2c_exit(); +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_driver(&aic3x_i2c_driver); +#endif } module_exit(aic3x_exit); |