#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 "ak4535.h"
-#define AUDIO_NAME "ak4535"
#define AK4535_VERSION "0.3"
struct snd_soc_codec_device soc_codec_dev_ak4535;
return cache[reg];
}
-static inline unsigned int ak4535_read(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u8 data;
- data = reg;
-
- if (codec->hw_write(codec->control_data, &data, 1) != 1)
- return -EIO;
-
- if (codec->hw_read(codec->control_data, &data, 1) != 1)
- return -EIO;
-
- return data;
-};
-
/*
* write ak4535 register cache
*/
SOC_SINGLE("Mic Sidetone Volume", AK4535_VOL, 4, 7, 0),
};
-/* add non dapm controls */
-static int ak4535_add_controls(struct snd_soc_codec *codec)
-{
- int err, i;
-
- for (i = 0; i < ARRAY_SIZE(ak4535_snd_controls); i++) {
- err = snd_ctl_add(codec->card,
- snd_soc_cnew(&ak4535_snd_controls[i], codec, NULL));
- if (err < 0)
- return err;
- }
-
- return 0;
-}
-
/* Mono 1 Mixer */
static const struct snd_kcontrol_new ak4535_mono1_mixer_controls[] = {
SOC_DAPM_SINGLE("Mic Sidetone Switch", AK4535_SIG1, 4, 1, 0),
snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
- snd_soc_dapm_new_widgets(codec);
return 0;
}
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
- struct ak4535_priv *ak4535 = codec->private_data;
+ struct ak4535_priv *ak4535 = snd_soc_codec_get_drvdata(codec);
ak4535->sysclk = freq;
return 0;
}
static int ak4535_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+ struct snd_pcm_hw_params *params,
+ 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->codec;
- struct ak4535_priv *ak4535 = codec->private_data;
+ struct snd_soc_codec *codec = socdev->card->codec;
+ struct ak4535_priv *ak4535 = snd_soc_codec_get_drvdata(codec);
u8 mode2 = ak4535_read_reg_cache(codec, AK4535_MODE2) & ~(0x3 << 5);
int rate = params_rate(params), fs = 256;
SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+static struct snd_soc_dai_ops ak4535_dai_ops = {
+ .hw_params = ak4535_hw_params,
+ .set_fmt = ak4535_set_dai_fmt,
+ .digital_mute = ak4535_mute,
+ .set_sysclk = ak4535_set_dai_sysclk,
+};
+
struct snd_soc_dai ak4535_dai = {
.name = "AK4535",
.playback = {
.channels_max = 2,
.rates = AK4535_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,},
- .ops = {
- .hw_params = ak4535_hw_params,
- },
- .dai_ops = {
- .set_fmt = ak4535_set_dai_fmt,
- .digital_mute = ak4535_mute,
- .set_sysclk = ak4535_set_dai_sysclk,
- },
+ .ops = &ak4535_dai_ops,
};
EXPORT_SYMBOL_GPL(ak4535_dai);
static int ak4535_suspend(struct platform_device *pdev, pm_message_t state)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
return 0;
static int ak4535_resume(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
ak4535_sync(codec);
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- ak4535_set_bias_level(codec, codec->suspend_bias_level);
return 0;
}
*/
static int ak4535_init(struct snd_soc_device *socdev)
{
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
int ret = 0;
codec->name = "AK4535";
/* power on device */
ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
- ak4535_add_controls(codec);
+ snd_soc_add_controls(codec, ak4535_snd_controls,
+ ARRAY_SIZE(ak4535_snd_controls));
ak4535_add_widgets(codec);
- ret = snd_soc_register_card(socdev);
- if (ret < 0) {
- printk(KERN_ERR "ak4535: failed to register card\n");
- goto card_err;
- }
return ret;
-card_err:
- snd_soc_free_pcms(socdev);
- snd_soc_dapm_free(socdev);
pcm_err:
kfree(codec->reg_cache);
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-#define I2C_DRIVERID_AK4535 0xfefe /* liam - need a proper id */
-
-static unsigned short normal_i2c[] = { 0, I2C_CLIENT_END };
-
-/* Magic definition of all other variables and things */
-I2C_CLIENT_INSMOD;
-
-static struct i2c_driver ak4535_i2c_driver;
-static struct i2c_client client_template;
-
-/* If the i2c layer weren't so broken, we could pass this kind of data
- around */
-static int ak4535_codec_probe(struct i2c_adapter *adap, int addr, int kind)
+static int ak4535_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct snd_soc_device *socdev = ak4535_socdev;
- struct ak4535_setup_data *setup = socdev->codec_data;
- struct snd_soc_codec *codec = socdev->codec;
- struct i2c_client *i2c;
+ struct snd_soc_codec *codec = socdev->card->codec;
int ret;
- if (addr != setup->i2c_address)
- return -ENODEV;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL);
- if (i2c == NULL)
- return -ENOMEM;
-
i2c_set_clientdata(i2c, codec);
codec->control_data = i2c;
- ret = i2c_attach_client(i2c);
- if (ret < 0) {
- printk(KERN_ERR "failed to attach codec at addr %x\n", addr);
- goto err;
- }
-
ret = ak4535_init(socdev);
- if (ret < 0) {
+ if (ret < 0)
printk(KERN_ERR "failed to initialise AK4535\n");
- goto err;
- }
- return ret;
-err:
- kfree(i2c);
return ret;
}
-static int ak4535_i2c_detach(struct i2c_client *client)
+static int ak4535_i2c_remove(struct i2c_client *client)
{
struct snd_soc_codec *codec = i2c_get_clientdata(client);
- i2c_detach_client(client);
kfree(codec->reg_cache);
- kfree(client);
return 0;
}
-static int ak4535_i2c_attach(struct i2c_adapter *adap)
-{
- return i2c_probe(adap, &addr_data, ak4535_codec_probe);
-}
+static const struct i2c_device_id ak4535_i2c_id[] = {
+ { "ak4535", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ak4535_i2c_id);
-/* corgi i2c codec control layer */
static struct i2c_driver ak4535_i2c_driver = {
.driver = {
.name = "AK4535 I2C Codec",
.owner = THIS_MODULE,
},
- .id = I2C_DRIVERID_AK4535,
- .attach_adapter = ak4535_i2c_attach,
- .detach_client = ak4535_i2c_detach,
- .command = NULL,
+ .probe = ak4535_i2c_probe,
+ .remove = ak4535_i2c_remove,
+ .id_table = ak4535_i2c_id,
};
-static struct i2c_client client_template = {
- .name = "AK4535",
- .driver = &ak4535_i2c_driver,
-};
+static int ak4535_add_i2c_device(struct platform_device *pdev,
+ const struct ak4535_setup_data *setup)
+{
+ struct i2c_board_info info;
+ struct i2c_adapter *adapter;
+ struct i2c_client *client;
+ int ret;
+
+ ret = i2c_add_driver(&ak4535_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, "ak4535", 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(&ak4535_i2c_driver);
+ return -ENODEV;
+}
#endif
static int ak4535_probe(struct platform_device *pdev)
struct ak4535_setup_data *setup;
struct snd_soc_codec *codec;
struct ak4535_priv *ak4535;
- int ret = 0;
+ int ret;
printk(KERN_INFO "AK4535 Audio Codec %s", AK4535_VERSION);
return -ENOMEM;
}
- codec->private_data = ak4535;
- socdev->codec = codec;
+ snd_soc_codec_set_drvdata(codec, ak4535);
+ socdev->card->codec = codec;
mutex_init(&codec->mutex);
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
ak4535_socdev = socdev;
+ ret = -ENODEV;
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
if (setup->i2c_address) {
- normal_i2c[0] = setup->i2c_address;
codec->hw_write = (hw_write_t)i2c_master_send;
- codec->hw_read = (hw_read_t)i2c_master_recv;
- ret = i2c_add_driver(&ak4535_i2c_driver);
- if (ret != 0)
- printk(KERN_ERR "can't add i2c driver");
+ ret = ak4535_add_i2c_device(pdev, setup);
}
-#else
- /* Add other interfaces here */
#endif
if (ret != 0) {
- kfree(codec->private_data);
+ kfree(snd_soc_codec_get_drvdata(codec));
kfree(codec);
}
return ret;
static int ak4535_remove(struct platform_device *pdev)
{
struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->codec;
+ struct snd_soc_codec *codec = socdev->card->codec;
if (codec->control_data)
ak4535_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)
+ if (codec->control_data)
+ i2c_unregister_device(codec->control_data);
i2c_del_driver(&ak4535_i2c_driver);
#endif
- kfree(codec->private_data);
+ kfree(snd_soc_codec_get_drvdata(codec));
kfree(codec);
return 0;
};
EXPORT_SYMBOL_GPL(soc_codec_dev_ak4535);
+static int __init ak4535_modinit(void)
+{
+ return snd_soc_register_dai(&ak4535_dai);
+}
+module_init(ak4535_modinit);
+
+static void __exit ak4535_exit(void)
+{
+ snd_soc_unregister_dai(&ak4535_dai);
+}
+module_exit(ak4535_exit);
+
MODULE_DESCRIPTION("Soc AK4535 driver");
MODULE_AUTHOR("Richard Purdie");
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff