* option) any later version.
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
-#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
-#include <sound/soc.h>
#include <sound/soc-dapm.h>
-#include <sound/tlv.h>
#include <sound/initval.h>
-#include <asm/div64.h>
-
-#include "da7210.h"
+#include <sound/tlv.h>
/* DA7210 register space */
#define DA7210_STATUS 0x02
#define DA7210_VERSION "0.0.1"
+/*
+ * Playback Volume
+ *
+ * max : 0x3F (+15.0 dB)
+ * (1.5 dB step)
+ * min : 0x11 (-54.0 dB)
+ * mute : 0x10
+ * reserved : 0x00 - 0x0F
+ *
+ * ** FIXME **
+ *
+ * Reserved area are considered as "mute".
+ * -> min = -79.5 dB
+ */
+static const DECLARE_TLV_DB_SCALE(hp_out_tlv, -7950, 150, 1);
+
+static const struct snd_kcontrol_new da7210_snd_controls[] = {
+
+ SOC_DOUBLE_R_TLV("HeadPhone Playback Volume",
+ DA7210_HP_L_VOL, DA7210_HP_R_VOL,
+ 0, 0x3F, 0, hp_out_tlv),
+};
+
/* Codec private data */
struct da7210_priv {
- struct snd_soc_codec codec;
+ enum snd_soc_control_type control_type;
+ void *control_data;
};
-static struct snd_soc_codec *da7210_codec;
-
/*
* Register cache
*/
u8 *cache = codec->reg_cache;
u8 data[2];
- BUG_ON(codec->volatile_register);
+ BUG_ON(codec->driver->volatile_register);
data[0] = reg & 0xff;
data[1] = value & 0xff;
- if (reg >= codec->reg_cache_size)
+ if (reg >= codec->driver->reg_cache_size)
return -EIO;
if (2 != codec->hw_write(codec->control_data, data, 2))
struct snd_soc_codec *codec = dai->codec;
if (is_play) {
- /* PlayBack Volume 40 */
- snd_soc_update_bits(codec, DA7210_HP_L_VOL, 0x3F, 40);
- snd_soc_update_bits(codec, DA7210_HP_R_VOL, 0x3F, 40);
-
/* Enable Out */
snd_soc_update_bits(codec, DA7210_OUTMIX_L, 0x1F, 0x10);
snd_soc_update_bits(codec, DA7210_OUTMIX_R, 0x1F, 0x10);
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;
u32 dai_cfg1;
u32 hpf_reg, hpf_mask, hpf_value;
u32 fs, bypass;
.set_fmt = da7210_set_dai_fmt,
};
-struct snd_soc_dai da7210_dai = {
- .name = "DA7210 IIS",
- .id = 0,
+static struct snd_soc_dai_driver da7210_dai = {
+ .name = "da7210-hifi",
/* playback capabilities */
.playback = {
.stream_name = "Playback",
.ops = &da7210_dai_ops,
.symmetric_rates = 1,
};
-EXPORT_SYMBOL_GPL(da7210_dai);
-/*
- * Initialize the DA7210 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int da7210_init(struct da7210_priv *da7210)
+static int da7210_probe(struct snd_soc_codec *codec)
{
- struct snd_soc_codec *codec = &da7210->codec;
- int ret = 0;
+ struct da7210_priv *da7210 = snd_soc_codec_get_drvdata(codec);
- if (da7210_codec) {
- dev_err(codec->dev, "Another da7210 is registered\n");
- return -EINVAL;
- }
+ dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, da7210);
- codec->name = "DA7210";
- codec->owner = THIS_MODULE;
- codec->read = da7210_read;
- codec->write = da7210_write;
- codec->dai = &da7210_dai;
- codec->num_dai = 1;
+ codec->control_data = da7210->control_data;
codec->hw_write = (hw_write_t)i2c_master_send;
- codec->reg_cache_size = ARRAY_SIZE(da7210_reg);
- codec->reg_cache = kmemdup(da7210_reg,
- sizeof(da7210_reg), GFP_KERNEL);
-
- if (!codec->reg_cache)
- return -ENOMEM;
-
- da7210_dai.dev = codec->dev;
- da7210_codec = codec;
-
- ret = snd_soc_register_codec(codec);
- if (ret) {
- dev_err(codec->dev, "Failed to register CODEC: %d\n", ret);
- goto init_err;
- }
-
- ret = snd_soc_register_dai(&da7210_dai);
- if (ret) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- goto init_err;
- }
/* FIXME
*
/* Activate all enabled subsystem */
da7210_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
- return ret;
-
-init_err:
- kfree(codec->reg_cache);
- codec->reg_cache = NULL;
+ snd_soc_add_controls(codec, da7210_snd_controls,
+ ARRAY_SIZE(da7210_snd_controls));
- return ret;
+ dev_info(codec->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_da7210 = {
+ .probe = da7210_probe,
+ .read = da7210_read,
+ .write = da7210_write,
+ .reg_cache_size = ARRAY_SIZE(da7210_reg),
+ .reg_word_size = sizeof(u8),
+ .reg_cache_default = da7210_reg,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static int __devinit da7210_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct da7210_priv *da7210;
- struct snd_soc_codec *codec;
int ret;
da7210 = kzalloc(sizeof(struct da7210_priv), GFP_KERNEL);
if (!da7210)
return -ENOMEM;
- codec = &da7210->codec;
- codec->dev = &i2c->dev;
-
i2c_set_clientdata(i2c, da7210);
- codec->control_data = i2c;
+ da7210->control_data = i2c;
+ da7210->control_type = SND_SOC_I2C;
- ret = da7210_init(da7210);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_da7210, &da7210_dai, 1);
if (ret < 0)
- pr_err("Failed to initialise da7210 audio codec\n");
+ kfree(da7210);
return ret;
}
static int __devexit da7210_i2c_remove(struct i2c_client *client)
{
- struct da7210_priv *da7210 = i2c_get_clientdata(client);
-
- snd_soc_unregister_dai(&da7210_dai);
- kfree(da7210->codec.reg_cache);
- kfree(da7210);
- da7210_codec = NULL;
-
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
/* I2C codec control layer */
static struct i2c_driver da7210_i2c_driver = {
.driver = {
- .name = "DA7210 I2C Codec",
+ .name = "da7210-codec",
.owner = THIS_MODULE,
},
.probe = da7210_i2c_probe,
};
#endif
-static int da7210_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec;
- int ret;
-
- if (!da7210_codec) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = da7210_codec;
- codec = da7210_codec;
-
- /* Register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0)
- goto pcm_err;
-
- dev_info(&pdev->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION);
-
-pcm_err:
- return ret;
-}
-
-static int da7210_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_da7210 = {
- .probe = da7210_probe,
- .remove = da7210_remove,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_da7210);
-
static int __init da7210_modinit(void)
{
int ret = 0;
projects / mirror_ubuntu-artful-kernel.git / blobdiff