#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
+#include <linux/spi/spi.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <sound/core.h>
#define WM8900_LRC_MASK 0xfc00
-struct snd_soc_codec_device soc_codec_dev_wm8900;
-
struct wm8900_priv {
- struct snd_soc_codec codec;
-
+ enum snd_soc_control_type control_type;
u16 reg_cache[WM8900_MAXREG];
u32 fll_in; /* FLL input frequency */
{
switch (reg) {
case WM8900_REG_ID:
- case WM8900_REG_POWER1:
return 1;
default:
return 0;
static int wm8900_add_widgets(struct snd_soc_codec *codec)
{
- snd_soc_dapm_new_controls(codec, wm8900_dapm_widgets,
- ARRAY_SIZE(wm8900_dapm_widgets));
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
- snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ snd_soc_dapm_new_controls(dapm, wm8900_dapm_widgets,
+ ARRAY_SIZE(wm8900_dapm_widgets));
+ snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
return 0;
}
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;
u16 reg;
reg = snd_soc_read(codec, WM8900_REG_AUDIO1) & ~0x60;
.digital_mute = wm8900_digital_mute,
};
-struct snd_soc_dai wm8900_dai = {
- .name = "WM8900 HiFi",
+static struct snd_soc_dai_driver wm8900_dai = {
+ .name = "wm8900-hifi",
.playback = {
.stream_name = "HiFi Playback",
.channels_min = 1,
},
.ops = &wm8900_dai_ops,
};
-EXPORT_SYMBOL_GPL(wm8900_dai);
static int wm8900_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
case SND_SOC_BIAS_STANDBY:
/* Charge capacitors if initial power up */
- if (codec->bias_level == SND_SOC_BIAS_OFF) {
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
/* STARTUP_BIAS_ENA on */
snd_soc_write(codec, WM8900_REG_POWER1,
WM8900_REG_POWER1_STARTUP_BIAS_ENA);
WM8900_REG_POWER2_SYSCLK_ENA);
break;
}
- codec->bias_level = level;
+ codec->dapm.bias_level = level;
return 0;
}
-static int wm8900_suspend(struct platform_device *pdev, pm_message_t state)
+static int wm8900_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;
struct wm8900_priv *wm8900 = snd_soc_codec_get_drvdata(codec);
int fll_out = wm8900->fll_out;
int fll_in = wm8900->fll_in;
/* Stop the FLL in an orderly fashion */
ret = wm8900_set_fll(codec, 0, 0, 0);
if (ret != 0) {
- dev_err(&pdev->dev, "Failed to stop FLL\n");
+ dev_err(codec->dev, "Failed to stop FLL\n");
return ret;
}
return 0;
}
-static int wm8900_resume(struct platform_device *pdev)
+static int wm8900_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
struct wm8900_priv *wm8900 = snd_soc_codec_get_drvdata(codec);
u16 *cache;
int i, ret;
ret = wm8900_set_fll(codec, 0, fll_in, fll_out);
if (ret != 0) {
- dev_err(&pdev->dev, "Failed to restart FLL\n");
+ dev_err(codec->dev, "Failed to restart FLL\n");
return ret;
}
}
snd_soc_write(codec, i, cache[i]);
kfree(cache);
} else
- dev_err(&pdev->dev, "Unable to allocate register cache\n");
+ dev_err(codec->dev, "Unable to allocate register cache\n");
return 0;
}
-static struct snd_soc_codec *wm8900_codec;
-
-static __devinit int wm8900_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static int wm8900_probe(struct snd_soc_codec *codec)
{
- struct wm8900_priv *wm8900;
- struct snd_soc_codec *codec;
- unsigned int reg;
- int ret;
-
- wm8900 = kzalloc(sizeof(struct wm8900_priv), GFP_KERNEL);
- if (wm8900 == NULL)
- return -ENOMEM;
+ struct wm8900_priv *wm8900 = snd_soc_codec_get_drvdata(codec);
+ int ret = 0, reg;
- codec = &wm8900->codec;
- snd_soc_codec_set_drvdata(codec, wm8900);
- codec->reg_cache = &wm8900->reg_cache[0];
- codec->reg_cache_size = WM8900_MAXREG;
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- codec->name = "WM8900";
- codec->owner = THIS_MODULE;
- codec->dai = &wm8900_dai;
- codec->num_dai = 1;
- codec->control_data = i2c;
- codec->set_bias_level = wm8900_set_bias_level;
- codec->volatile_register = wm8900_volatile_register;
- codec->dev = &i2c->dev;
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
+ ret = snd_soc_codec_set_cache_io(codec, 8, 16, wm8900->control_type);
if (ret != 0) {
- dev_err(&i2c->dev, "Failed to set cache I/O: %d\n", ret);
- goto err;
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
}
reg = snd_soc_read(codec, WM8900_REG_ID);
if (reg != 0x8900) {
- dev_err(&i2c->dev, "Device is not a WM8900 - ID %x\n", reg);
- ret = -ENODEV;
- goto err;
+ dev_err(codec->dev, "Device is not a WM8900 - ID %x\n", reg);
+ return -ENODEV;
}
- /* Read back from the chip */
- reg = snd_soc_read(codec, WM8900_REG_POWER1);
- reg = (reg >> 12) & 0xf;
- dev_info(&i2c->dev, "WM8900 revision %d\n", reg);
-
wm8900_reset(codec);
/* Turn the chip on */
/* Set the DAC and mixer output bias */
snd_soc_write(codec, WM8900_REG_OUTBIASCTL, 0x81);
- wm8900_dai.dev = &i2c->dev;
+ snd_soc_add_controls(codec, wm8900_snd_controls,
+ ARRAY_SIZE(wm8900_snd_controls));
+ wm8900_add_widgets(codec);
+
+ return 0;
+}
- wm8900_codec = codec;
+/* power down chip */
+static int wm8900_remove(struct snd_soc_codec *codec)
+{
+ wm8900_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ return 0;
+}
- ret = snd_soc_register_codec(codec);
- if (ret != 0) {
- dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);
- goto err;
- }
+static struct snd_soc_codec_driver soc_codec_dev_wm8900 = {
+ .probe = wm8900_probe,
+ .remove = wm8900_remove,
+ .suspend = wm8900_suspend,
+ .resume = wm8900_resume,
+ .set_bias_level = wm8900_set_bias_level,
+ .volatile_register = wm8900_volatile_register,
+ .reg_cache_size = ARRAY_SIZE(wm8900_reg_defaults),
+ .reg_word_size = sizeof(u16),
+ .reg_cache_default = wm8900_reg_defaults,
+};
- ret = snd_soc_register_dai(&wm8900_dai);
- if (ret != 0) {
- dev_err(&i2c->dev, "Failed to register DAI: %d\n", ret);
- goto err_codec;
- }
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit wm8900_spi_probe(struct spi_device *spi)
+{
+ struct wm8900_priv *wm8900;
+ int ret;
- return ret;
+ wm8900 = kzalloc(sizeof(struct wm8900_priv), GFP_KERNEL);
+ if (wm8900 == NULL)
+ return -ENOMEM;
+
+ wm8900->control_type = SND_SOC_SPI;
+ spi_set_drvdata(spi, wm8900);
-err_codec:
- snd_soc_unregister_codec(codec);
-err:
- kfree(wm8900);
- wm8900_codec = NULL;
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_wm8900, &wm8900_dai, 1);
+ if (ret < 0)
+ kfree(wm8900);
return ret;
}
-static __devexit int wm8900_i2c_remove(struct i2c_client *client)
+static int __devexit wm8900_spi_remove(struct spi_device *spi)
{
- snd_soc_unregister_dai(&wm8900_dai);
- snd_soc_unregister_codec(wm8900_codec);
+ snd_soc_unregister_codec(&spi->dev);
+ kfree(spi_get_drvdata(spi));
+ return 0;
+}
- wm8900_set_bias_level(wm8900_codec, SND_SOC_BIAS_OFF);
+static struct spi_driver wm8900_spi_driver = {
+ .driver = {
+ .name = "wm8900-codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm8900_spi_probe,
+ .remove = __devexit_p(wm8900_spi_remove),
+};
+#endif /* CONFIG_SPI_MASTER */
- wm8900_dai.dev = NULL;
- kfree(snd_soc_codec_get_drvdata(wm8900_codec));
- wm8900_codec = NULL;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static __devinit int wm8900_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct wm8900_priv *wm8900;
+ int ret;
+ wm8900 = kzalloc(sizeof(struct wm8900_priv), GFP_KERNEL);
+ if (wm8900 == NULL)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, wm8900);
+ wm8900->control_type = SND_SOC_I2C;
+
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_wm8900, &wm8900_dai, 1);
+ if (ret < 0)
+ kfree(wm8900);
+ return ret;
+}
+
+static __devexit int wm8900_i2c_remove(struct i2c_client *client)
+{
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver wm8900_i2c_driver = {
.driver = {
- .name = "WM8900",
+ .name = "wm8900-codec",
.owner = THIS_MODULE,
},
- .probe = wm8900_i2c_probe,
- .remove = __devexit_p(wm8900_i2c_remove),
+ .probe = wm8900_i2c_probe,
+ .remove = __devexit_p(wm8900_i2c_remove),
.id_table = wm8900_i2c_id,
};
+#endif
-static int wm8900_probe(struct platform_device *pdev)
+static int __init wm8900_modinit(void)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
int ret = 0;
-
- if (!wm8900_codec) {
- dev_err(&pdev->dev, "I2C client not yet instantiated\n");
- return -ENODEV;
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+ ret = i2c_add_driver(&wm8900_i2c_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register wm8900 I2C driver: %d\n",
+ ret);
}
-
- codec = wm8900_codec;
- socdev->card->codec = codec;
-
- /* Register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to register new PCMs\n");
- goto pcm_err;
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&wm8900_spi_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register wm8900 SPI driver: %d\n",
+ ret);
}
-
- snd_soc_add_controls(codec, wm8900_snd_controls,
- ARRAY_SIZE(wm8900_snd_controls));
- wm8900_add_widgets(codec);
-
-pcm_err:
+#endif
return ret;
}
-
-/* power down chip */
-static int wm8900_remove(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
-
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
-
- return 0;
-}
-
-struct snd_soc_codec_device soc_codec_dev_wm8900 = {
- .probe = wm8900_probe,
- .remove = wm8900_remove,
- .suspend = wm8900_suspend,
- .resume = wm8900_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_wm8900);
-
-static int __init wm8900_modinit(void)
-{
- return i2c_add_driver(&wm8900_i2c_driver);
-}
module_init(wm8900_modinit);
static void __exit wm8900_exit(void)
{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
i2c_del_driver(&wm8900_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&wm8900_spi_driver);
+#endif
}
module_exit(wm8900_exit);
git.openpandora.org / pandora-kernel.git / blobdiff