diff options
Diffstat (limited to 'sound/soc/codecs/ssm2602.c')
-rw-r--r-- | sound/soc/codecs/ssm2602.c | 219 |
1 files changed, 59 insertions, 160 deletions
diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c index b47ed4f..67d8c04 100644 --- a/sound/soc/codecs/ssm2602.c +++ b/sound/soc/codecs/ssm2602.c @@ -45,11 +45,11 @@ #define SSM2602_VERSION "0.1" -struct snd_soc_codec_device soc_codec_dev_ssm2602; - /* codec private data */ struct ssm2602_priv { unsigned int sysclk; + enum snd_soc_control_type control_type; + void *control_data; struct snd_pcm_substream *master_substream; struct snd_pcm_substream *slave_substream; }; @@ -276,8 +276,7 @@ static int ssm2602_hw_params(struct snd_pcm_substream *substream, { u16 srate; 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 ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); struct i2c_client *i2c = codec->control_data; u16 iface = ssm2602_read_reg_cache(codec, SSM2602_IFACE) & 0xfff3; @@ -321,8 +320,7 @@ static int ssm2602_startup(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 ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); struct i2c_client *i2c = codec->control_data; struct snd_pcm_runtime *master_runtime; @@ -360,8 +358,7 @@ static int ssm2602_pcm_prepare(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; /* set active */ ssm2602_write(codec, SSM2602_ACTIVE, ACTIVE_ACTIVATE_CODEC); @@ -372,8 +369,7 @@ static void ssm2602_shutdown(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 ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); /* deactivate */ @@ -518,8 +514,8 @@ static struct snd_soc_dai_ops ssm2602_dai_ops = { .set_fmt = ssm2602_set_dai_fmt, }; -struct snd_soc_dai ssm2602_dai = { - .name = "SSM2602", +static struct snd_soc_dai_driver ssm2602_dai = { + .name = "ssm2602-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, @@ -534,21 +530,15 @@ struct snd_soc_dai ssm2602_dai = { .formats = SSM2602_FORMATS,}, .ops = &ssm2602_dai_ops, }; -EXPORT_SYMBOL_GPL(ssm2602_dai); -static int ssm2602_suspend(struct platform_device *pdev, pm_message_t state) +static int ssm2602_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; - ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); return 0; } -static int ssm2602_resume(struct platform_device *pdev) +static int ssm2602_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]; u16 *cache = codec->reg_cache; @@ -563,36 +553,18 @@ static int ssm2602_resume(struct platform_device *pdev) return 0; } -/* - * initialise the ssm2602 driver - * register the mixer and dsp interfaces with the kernel - */ -static int ssm2602_init(struct snd_soc_device *socdev) +static int ssm2602_probe(struct snd_soc_codec *codec) { - struct snd_soc_codec *codec = socdev->card->codec; - int reg, ret = 0; - - codec->name = "SSM2602"; - codec->owner = THIS_MODULE; - codec->read = ssm2602_read_reg_cache; - codec->write = ssm2602_write; - codec->set_bias_level = ssm2602_set_bias_level; - codec->dai = &ssm2602_dai; - codec->num_dai = 1; - codec->reg_cache_size = sizeof(ssm2602_reg); - codec->reg_cache = kmemdup(ssm2602_reg, sizeof(ssm2602_reg), - GFP_KERNEL); - if (codec->reg_cache == NULL) - return -ENOMEM; + struct ssm2602_priv *ssm2602 = snd_soc_codec_get_drvdata(codec); + int ret = 0, reg; + + pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION); + + codec->bias_level = SND_SOC_BIAS_OFF, + codec->control_data = ssm2602->control_data; ssm2602_reset(codec); - /* register pcms */ - ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); - if (ret < 0) { - pr_err("ssm2602: failed to create pcms\n"); - goto pcm_err; - } /*power on device*/ ssm2602_write(codec, SSM2602_ACTIVE, 0); /* set the update bits */ @@ -614,13 +586,27 @@ static int ssm2602_init(struct snd_soc_device *socdev) ssm2602_add_widgets(codec); return ret; +} -pcm_err: - kfree(codec->reg_cache); - return ret; +/* remove everything here */ +static int ssm2602_remove(struct snd_soc_codec *codec) +{ + ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); + return 0; } -static struct snd_soc_device *ssm2602_socdev; +static struct snd_soc_codec_driver soc_codec_dev_ssm2602 = { + .probe = ssm2602_probe, + .remove = ssm2602_remove, + .suspend = ssm2602_suspend, + .resume = ssm2602_resume, + .read = ssm2602_read_reg_cache, + .write = ssm2602_write, + .set_bias_level = ssm2602_set_bias_level, + .reg_cache_size = sizeof(ssm2602_reg), + .reg_word_size = sizeof(u16), + .reg_cache_default = ssm2602_reg, +}; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) /* @@ -632,24 +618,28 @@ static struct snd_soc_device *ssm2602_socdev; static int ssm2602_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { - struct snd_soc_device *socdev = ssm2602_socdev; - struct snd_soc_codec *codec = socdev->card->codec; + struct ssm2602_priv *ssm2602; int ret; - i2c_set_clientdata(i2c, codec); - codec->control_data = i2c; + ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL); + if (ssm2602 == NULL) + return -ENOMEM; - ret = ssm2602_init(socdev); - if (ret < 0) - pr_err("failed to initialise SSM2602\n"); + i2c_set_clientdata(i2c, ssm2602); + ssm2602->control_data = i2c; + ssm2602->control_type = SND_SOC_I2C; + ret = snd_soc_register_codec(&i2c->dev, + &soc_codec_dev_ssm2602, &ssm2602_dai, 1); + if (ret < 0) + kfree(ssm2602); return ret; } static int ssm2602_i2c_remove(struct i2c_client *client) { - struct snd_soc_codec *codec = i2c_get_clientdata(client); - kfree(codec->reg_cache); + snd_soc_unregister_codec(&client->dev); + kfree(i2c_get_clientdata(client)); return 0; } @@ -658,130 +648,39 @@ static const struct i2c_device_id ssm2602_i2c_id[] = { { } }; MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id); + /* corgi i2c codec control layer */ static struct i2c_driver ssm2602_i2c_driver = { .driver = { - .name = "SSM2602 I2C Codec", + .name = "ssm2602-codec", .owner = THIS_MODULE, }, .probe = ssm2602_i2c_probe, .remove = ssm2602_i2c_remove, .id_table = ssm2602_i2c_id, }; - -static int ssm2602_add_i2c_device(struct platform_device *pdev, - const struct ssm2602_setup_data *setup) -{ - struct i2c_board_info info; - struct i2c_adapter *adapter; - struct i2c_client *client; - int ret; - - ret = i2c_add_driver(&ssm2602_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, "ssm2602", 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; -err_driver: - i2c_del_driver(&ssm2602_i2c_driver); - return -ENODEV; -} #endif -static int ssm2602_probe(struct platform_device *pdev) + +static int __init ssm2602_modinit(void) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct ssm2602_setup_data *setup; - struct snd_soc_codec *codec; - struct ssm2602_priv *ssm2602; int ret = 0; - - pr_info("ssm2602 Audio Codec %s", SSM2602_VERSION); - - setup = socdev->codec_data; - codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); - if (codec == NULL) - return -ENOMEM; - - ssm2602 = kzalloc(sizeof(struct ssm2602_priv), GFP_KERNEL); - if (ssm2602 == NULL) { - kfree(codec); - return -ENOMEM; - } - - snd_soc_codec_set_drvdata(codec, ssm2602); - socdev->card->codec = codec; - mutex_init(&codec->mutex); - INIT_LIST_HEAD(&codec->dapm_widgets); - INIT_LIST_HEAD(&codec->dapm_paths); - - ssm2602_socdev = socdev; #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) - if (setup->i2c_address) { - codec->hw_write = (hw_write_t)i2c_master_send; - ret = ssm2602_add_i2c_device(pdev, setup); + ret = i2c_add_driver(&ssm2602_i2c_driver); + if (ret != 0) { + printk(KERN_ERR "Failed to register SSM2602 I2C driver: %d\n", + ret); } -#else - /* other interfaces */ #endif return ret; } +module_init(ssm2602_modinit); -/* remove everything here */ -static int ssm2602_remove(struct platform_device *pdev) +static void __exit ssm2602_exit(void) { - struct snd_soc_device *socdev = platform_get_drvdata(pdev); - struct snd_soc_codec *codec = socdev->card->codec; - - if (codec->control_data) - ssm2602_set_bias_level(codec, SND_SOC_BIAS_OFF); - - 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(&ssm2602_i2c_driver); #endif - kfree(snd_soc_codec_get_drvdata(codec)); - kfree(codec); - - return 0; -} - -struct snd_soc_codec_device soc_codec_dev_ssm2602 = { - .probe = ssm2602_probe, - .remove = ssm2602_remove, - .suspend = ssm2602_suspend, - .resume = ssm2602_resume, -}; -EXPORT_SYMBOL_GPL(soc_codec_dev_ssm2602); - -static int __init ssm2602_modinit(void) -{ - return snd_soc_register_dai(&ssm2602_dai); -} -module_init(ssm2602_modinit); - -static void __exit ssm2602_exit(void) -{ - snd_soc_unregister_dai(&ssm2602_dai); } module_exit(ssm2602_exit); |