ASoC: WM8750: Convert to new API
Register the WM8750 as a SPI or I2C device. This patch mostly shuffles code around. Hugely inspired by WM8753 which was already converted. Also, this patch fixes the Jive and Spitz machine. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Marek Vasut
Mark Brown
parent
53a61d967a
commit
6ca0c22ef8
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@ -29,11 +29,6 @@
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#include "wm8750.h"
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/* codec private data */
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struct wm8750_priv {
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unsigned int sysclk;
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};
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/*
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* wm8750 register cache
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* We can't read the WM8750 register space when we
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@ -53,6 +48,13 @@ static const u16 wm8750_reg[] = {
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0x0079, 0x0079, 0x0079, /* 40 */
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};
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/* codec private data */
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struct wm8750_priv {
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unsigned int sysclk;
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struct snd_soc_codec codec;
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u16 reg_cache[ARRAY_SIZE(wm8750_reg)];
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};
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#define wm8750_reset(c) snd_soc_write(c, WM8750_RESET, 0)
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/*
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@ -695,25 +697,90 @@ static int wm8750_resume(struct platform_device *pdev)
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return 0;
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}
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static struct snd_soc_codec *wm8750_codec;
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static int wm8750_probe(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec;
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int ret = 0;
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if (!wm8750_codec) {
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dev_err(&pdev->dev, "WM8750 codec not yet registered\n");
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return -EINVAL;
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}
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socdev->card->codec = wm8750_codec;
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codec = wm8750_codec;
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/* register pcms */
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ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
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if (ret < 0) {
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printk(KERN_ERR "wm8750: failed to create pcms\n");
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goto err;
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}
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snd_soc_add_controls(codec, wm8750_snd_controls,
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ARRAY_SIZE(wm8750_snd_controls));
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wm8750_add_widgets(codec);
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return 0;
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err:
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return ret;
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}
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/* power down chip */
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static int wm8750_remove(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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snd_soc_free_pcms(socdev);
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snd_soc_dapm_free(socdev);
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return 0;
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}
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struct snd_soc_codec_device soc_codec_dev_wm8750 = {
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.probe = wm8750_probe,
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.remove = wm8750_remove,
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.suspend = wm8750_suspend,
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.resume = wm8750_resume,
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};
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EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750);
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/*
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* initialise the WM8750 driver
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* register the mixer and dsp interfaces with the kernel
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*/
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static int wm8750_init(struct snd_soc_device *socdev,
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enum snd_soc_control_type control)
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static int wm8750_register(struct wm8750_priv *wm8750,
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enum snd_soc_control_type control)
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{
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struct snd_soc_codec *codec = socdev->card->codec;
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struct snd_soc_codec *codec = &wm8750->codec;
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int reg, ret = 0;
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if (wm8750_codec) {
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dev_err(codec->dev, "Multiple WM8750 devices not supported\n");
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ret = -EINVAL;
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goto err;
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}
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mutex_init(&codec->mutex);
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INIT_LIST_HEAD(&codec->dapm_widgets);
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INIT_LIST_HEAD(&codec->dapm_paths);
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codec->name = "WM8750";
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codec->owner = THIS_MODULE;
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codec->bias_level = SND_SOC_BIAS_STANDBY;
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codec->set_bias_level = wm8750_set_bias_level;
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codec->dai = &wm8750_dai;
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codec->num_dai = 1;
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codec->reg_cache_size = ARRAY_SIZE(wm8750_reg);
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codec->reg_cache = kmemdup(wm8750_reg, sizeof(wm8750_reg), GFP_KERNEL);
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if (codec->reg_cache == NULL)
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return -ENOMEM;
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codec->private_data = wm8750;
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codec->reg_cache_size = ARRAY_SIZE(wm8750->reg_cache) + 1;
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codec->reg_cache = &wm8750->reg_cache;
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codec->private_data = wm8750;
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memcpy(codec->reg_cache, wm8750_reg, sizeof(wm8750->reg_cache));
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ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
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if (ret < 0) {
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@ -727,13 +794,6 @@ static int wm8750_init(struct snd_soc_device *socdev,
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goto err;
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}
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/* register pcms */
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ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
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if (ret < 0) {
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printk(KERN_ERR "wm8750: failed to create pcms\n");
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goto err;
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}
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/* charge output caps */
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wm8750_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
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@ -755,19 +815,37 @@ static int wm8750_init(struct snd_soc_device *socdev,
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reg = snd_soc_read(codec, WM8750_RINVOL);
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snd_soc_write(codec, WM8750_RINVOL, reg | 0x0100);
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snd_soc_add_controls(codec, wm8750_snd_controls,
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ARRAY_SIZE(wm8750_snd_controls));
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wm8750_add_widgets(codec);
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return ret;
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wm8750_codec = codec;
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ret = snd_soc_register_codec(codec);
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if (ret != 0) {
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dev_err(codec->dev, "Failed to register codec: %d\n", ret);
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goto err;
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}
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ret = snd_soc_register_dais(&wm8750_dai, 1);
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if (ret != 0) {
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dev_err(codec->dev, "Failed to register DAIs: %d\n", ret);
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goto err_codec;
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}
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return 0;
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err_codec:
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snd_soc_unregister_codec(codec);
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err:
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kfree(codec->reg_cache);
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kfree(wm8750);
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return ret;
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}
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/* If the i2c layer weren't so broken, we could pass this kind of data
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around */
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static struct snd_soc_device *wm8750_socdev;
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static void wm8750_unregister(struct wm8750_priv *wm8750)
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{
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wm8750_set_bias_level(&wm8750->codec, SND_SOC_BIAS_OFF);
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snd_soc_unregister_dais(&wm8750_dai, 1);
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snd_soc_unregister_codec(&wm8750->codec);
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kfree(wm8750);
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wm8750_codec = NULL;
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}
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#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
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@ -781,24 +859,26 @@ static struct snd_soc_device *wm8750_socdev;
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static int wm8750_i2c_probe(struct i2c_client *i2c,
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const struct i2c_device_id *id)
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{
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struct snd_soc_device *socdev = wm8750_socdev;
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struct snd_soc_codec *codec = socdev->card->codec;
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int ret;
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struct snd_soc_codec *codec;
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struct wm8750_priv *wm8750;
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i2c_set_clientdata(i2c, codec);
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wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
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if (wm8750 == NULL)
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return -ENOMEM;
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codec = &wm8750->codec;
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codec->control_data = i2c;
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i2c_set_clientdata(i2c, wm8750);
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ret = wm8750_init(socdev, SND_SOC_I2C);
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if (ret < 0)
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pr_err("failed to initialise WM8750\n");
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codec->dev = &i2c->dev;
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return ret;
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return wm8750_register(wm8750, SND_SOC_I2C);
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}
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static int wm8750_i2c_remove(struct i2c_client *client)
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{
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struct snd_soc_codec *codec = i2c_get_clientdata(client);
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kfree(codec->reg_cache);
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struct wm8750_priv *wm8750 = i2c_get_clientdata(client);
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wm8750_unregister(wm8750);
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return 0;
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}
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@ -817,66 +897,31 @@ static struct i2c_driver wm8750_i2c_driver = {
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.remove = wm8750_i2c_remove,
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.id_table = wm8750_i2c_id,
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};
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static int wm8750_add_i2c_device(struct platform_device *pdev,
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const struct wm8750_setup_data *setup)
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{
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struct i2c_board_info info;
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struct i2c_adapter *adapter;
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struct i2c_client *client;
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int ret;
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ret = i2c_add_driver(&wm8750_i2c_driver);
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if (ret != 0) {
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dev_err(&pdev->dev, "can't add i2c driver\n");
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return ret;
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}
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memset(&info, 0, sizeof(struct i2c_board_info));
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info.addr = setup->i2c_address;
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strlcpy(info.type, "wm8750", I2C_NAME_SIZE);
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adapter = i2c_get_adapter(setup->i2c_bus);
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if (!adapter) {
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dev_err(&pdev->dev, "can't get i2c adapter %d\n",
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setup->i2c_bus);
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goto err_driver;
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}
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client = i2c_new_device(adapter, &info);
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i2c_put_adapter(adapter);
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if (!client) {
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dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
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(unsigned int)info.addr);
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goto err_driver;
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}
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return 0;
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err_driver:
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i2c_del_driver(&wm8750_i2c_driver);
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return -ENODEV;
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}
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#endif
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#if defined(CONFIG_SPI_MASTER)
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static int __devinit wm8750_spi_probe(struct spi_device *spi)
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{
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struct snd_soc_device *socdev = wm8750_socdev;
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struct snd_soc_codec *codec = socdev->card->codec;
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int ret;
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struct snd_soc_codec *codec;
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struct wm8750_priv *wm8750;
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wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
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if (wm8750 == NULL)
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return -ENOMEM;
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codec = &wm8750->codec;
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codec->control_data = spi;
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codec->dev = &spi->dev;
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ret = wm8750_init(socdev, SND_SOC_SPI);
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if (ret < 0)
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dev_err(&spi->dev, "failed to initialise WM8750\n");
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dev_set_drvdata(&spi->dev, wm8750);
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return ret;
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return wm8750_register(wm8750, SND_SOC_SPI);
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}
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static int __devexit wm8750_spi_remove(struct spi_device *spi)
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{
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struct wm8750_priv *wm8750 = dev_get_drvdata(&spi->dev);
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wm8750_unregister(wm8750);
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return 0;
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}
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@ -891,93 +936,31 @@ static struct spi_driver wm8750_spi_driver = {
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};
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#endif
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static int wm8750_probe(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct wm8750_setup_data *setup = socdev->codec_data;
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struct snd_soc_codec *codec;
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struct wm8750_priv *wm8750;
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int ret;
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codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
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if (codec == NULL)
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return -ENOMEM;
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wm8750 = kzalloc(sizeof(struct wm8750_priv), GFP_KERNEL);
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if (wm8750 == NULL) {
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kfree(codec);
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return -ENOMEM;
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}
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codec->private_data = wm8750;
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socdev->card->codec = codec;
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mutex_init(&codec->mutex);
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INIT_LIST_HEAD(&codec->dapm_widgets);
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INIT_LIST_HEAD(&codec->dapm_paths);
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wm8750_socdev = socdev;
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ret = -ENODEV;
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#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
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if (setup->i2c_address) {
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ret = wm8750_add_i2c_device(pdev, setup);
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}
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#endif
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#if defined(CONFIG_SPI_MASTER)
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if (setup->spi) {
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ret = spi_register_driver(&wm8750_spi_driver);
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if (ret != 0)
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printk(KERN_ERR "can't add spi driver");
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}
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#endif
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if (ret != 0) {
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kfree(codec->private_data);
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kfree(codec);
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}
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return ret;
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}
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/* power down chip */
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static int wm8750_remove(struct platform_device *pdev)
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{
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struct snd_soc_device *socdev = platform_get_drvdata(pdev);
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struct snd_soc_codec *codec = socdev->card->codec;
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if (codec->control_data)
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wm8750_set_bias_level(codec, SND_SOC_BIAS_OFF);
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snd_soc_free_pcms(socdev);
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snd_soc_dapm_free(socdev);
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#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
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i2c_unregister_device(codec->control_data);
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i2c_del_driver(&wm8750_i2c_driver);
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#endif
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#if defined(CONFIG_SPI_MASTER)
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spi_unregister_driver(&wm8750_spi_driver);
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#endif
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kfree(codec->private_data);
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kfree(codec);
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return 0;
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}
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struct snd_soc_codec_device soc_codec_dev_wm8750 = {
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.probe = wm8750_probe,
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.remove = wm8750_remove,
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.suspend = wm8750_suspend,
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.resume = wm8750_resume,
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};
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EXPORT_SYMBOL_GPL(soc_codec_dev_wm8750);
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static int __init wm8750_modinit(void)
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{
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return snd_soc_register_dai(&wm8750_dai);
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int ret;
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#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
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ret = i2c_add_driver(&wm8750_i2c_driver);
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if (ret != 0)
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pr_err("Failed to register WM8750 I2C driver: %d\n", ret);
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#endif
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#if defined(CONFIG_SPI_MASTER)
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ret = spi_register_driver(&wm8750_spi_driver);
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if (ret != 0)
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pr_err("Failed to register WM8750 SPI driver: %d\n", ret);
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#endif
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return 0;
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}
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module_init(wm8750_modinit);
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static void __exit wm8750_exit(void)
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{
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snd_soc_unregister_dai(&wm8750_dai);
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#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
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i2c_del_driver(&wm8750_i2c_driver);
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#endif
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#if defined(CONFIG_SPI_MASTER)
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spi_unregister_driver(&wm8750_spi_driver);
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#endif
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}
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module_exit(wm8750_exit);
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@ -322,19 +322,44 @@ static struct snd_soc_card snd_soc_spitz = {
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.num_links = 1,
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};
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/* spitz audio private data */
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static struct wm8750_setup_data spitz_wm8750_setup = {
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.i2c_bus = 0,
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.i2c_address = 0x1b,
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};
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/* spitz audio subsystem */
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static struct snd_soc_device spitz_snd_devdata = {
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.card = &snd_soc_spitz,
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.codec_dev = &soc_codec_dev_wm8750,
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.codec_data = &spitz_wm8750_setup,
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};
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/*
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* FIXME: This is a temporary bodge to avoid cross-tree merge issues.
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* New drivers should register the wm8750 I2C device in the machine
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* setup code (under arch/arm for ARM systems).
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*/
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static int wm8750_i2c_register(void)
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{
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struct i2c_board_info info;
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struct i2c_adapter *adapter;
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struct i2c_client *client;
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memset(&info, 0, sizeof(struct i2c_board_info));
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info.addr = 0x1b;
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strlcpy(info.type, "wm8750", I2C_NAME_SIZE);
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adapter = i2c_get_adapter(0);
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if (!adapter) {
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printk(KERN_ERR "can't get i2c adapter 0\n");
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return -ENODEV;
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}
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client = i2c_new_device(adapter, &info);
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i2c_put_adapter(adapter);
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if (!client) {
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printk(KERN_ERR "can't add i2c device at 0x%x\n",
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(unsigned int)info.addr);
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return -ENODEV;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct platform_device *spitz_snd_device;
|
||||
|
||||
static int __init spitz_init(void)
|
||||
|
|
@ -344,6 +369,10 @@ static int __init spitz_init(void)
|
|||
if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita()))
|
||||
return -ENODEV;
|
||||
|
||||
ret = wm8750_i2c_setup();
|
||||
if (ret != 0)
|
||||
return ret;
|
||||
|
||||
spitz_snd_device = platform_device_alloc("soc-audio", -1);
|
||||
if (!spitz_snd_device)
|
||||
return -ENOMEM;
|
||||
|
|
|
|||
|
|
@ -152,15 +152,10 @@ static struct snd_soc_card snd_soc_machine_jive = {
|
|||
.num_links = 1,
|
||||
};
|
||||
|
||||
/* jive audio private data */
|
||||
static struct wm8750_setup_data jive_wm8750_setup = {
|
||||
};
|
||||
|
||||
/* jive audio subsystem */
|
||||
static struct snd_soc_device jive_snd_devdata = {
|
||||
.card = &snd_soc_machine_jive,
|
||||
.codec_dev = &soc_codec_dev_wm8750,
|
||||
.codec_data = &jive_wm8750_setup,
|
||||
};
|
||||
|
||||
static struct platform_device *jive_snd_device;
|
||||
|
|
|
|||
Loading…
Reference in a new issue