* AK4643 is tested.
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
+#include <linux/slab.h>
+#include <linux/module.h>
#include <sound/soc.h>
-#include <sound/soc-dapm.h>
#include <sound/initval.h>
-
-#include "ak4642.h"
+#include <sound/tlv.h>
#define AK4642_VERSION "0.0.1"
#define AK4642_CACHEREGNUM 0x25
+/* PW_MGMT1*/
+#define PMVCM (1 << 6) /* VCOM Power Management */
+#define PMMIN (1 << 5) /* MIN Input Power Management */
+#define PMDAC (1 << 2) /* DAC Power Management */
+#define PMADL (1 << 0) /* MIC Amp Lch and ADC Lch Power Management */
+
/* PW_MGMT2 */
#define HPMTN (1 << 6)
#define PMHPL (1 << 5)
#define PMHP_MASK (PMHPL | PMHPR)
#define PMHP PMHP_MASK
+/* PW_MGMT3 */
+#define PMADR (1 << 0) /* MIC L / ADC R Power Management */
+
+/* SG_SL1 */
+#define MINS (1 << 6) /* Switch from MIN to Speaker */
+#define DACL (1 << 4) /* Switch from DAC to Stereo or Receiver */
+#define PMMP (1 << 2) /* MPWR pin Power Management */
+#define MGAIN0 (1 << 0) /* MIC amp gain*/
+
+/* TIMER */
+#define ZTM(param) ((param & 0x3) << 4) /* ALC Zoro Crossing TimeOut */
+#define WTM(param) (((param & 0x4) << 4) | ((param & 0x3) << 2))
+
+/* ALC_CTL1 */
+#define ALC (1 << 5) /* ALC Enable */
+#define LMTH0 (1 << 0) /* ALC Limiter / Recovery Level */
+
/* MD_CTL1 */
#define PLL3 (1 << 7)
#define PLL2 (1 << 6)
#define BCKO_MASK (1 << 3)
#define BCKO_64 BCKO_MASK
+#define DIF_MASK (3 << 0)
+#define DSP (0 << 0)
+#define RIGHT_J (1 << 0)
+#define LEFT_J (2 << 0)
+#define I2S (3 << 0)
+
/* MD_CTL2 */
#define FS0 (1 << 0)
#define FS1 (1 << 1)
#define FS3 (1 << 5)
#define FS_MASK (FS0 | FS1 | FS2 | FS3)
-struct snd_soc_codec_device soc_codec_dev_ak4642;
-
-/* codec private data */
-struct ak4642_priv {
- struct snd_soc_codec codec;
-};
+/* MD_CTL3 */
+#define BST1 (1 << 3)
-static struct snd_soc_codec *ak4642_codec;
+/* MD_CTL4 */
+#define DACH (1 << 0)
/*
- * ak4642 register cache
+ * Playback Volume (table 39)
+ *
+ * max : 0x00 : +12.0 dB
+ * ( 0.5 dB step )
+ * min : 0xFE : -115.0 dB
+ * mute: 0xFF
*/
-static const u16 ak4642_reg[AK4642_CACHEREGNUM] = {
- 0x0000, 0x0000, 0x0001, 0x0000,
- 0x0002, 0x0000, 0x0000, 0x0000,
- 0x00e1, 0x00e1, 0x0018, 0x0000,
- 0x00e1, 0x0018, 0x0011, 0x0008,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000,
-};
+static const DECLARE_TLV_DB_SCALE(out_tlv, -11550, 50, 1);
-/*
- * read ak4642 register cache
- */
-static inline unsigned int ak4642_read_reg_cache(struct snd_soc_codec *codec,
- unsigned int reg)
-{
- u16 *cache = codec->reg_cache;
- if (reg >= AK4642_CACHEREGNUM)
- return -1;
- return cache[reg];
-}
+static const struct snd_kcontrol_new ak4642_snd_controls[] = {
-/*
- * write ak4642 register cache
- */
-static inline void ak4642_write_reg_cache(struct snd_soc_codec *codec,
- u16 reg, unsigned int value)
-{
- u16 *cache = codec->reg_cache;
- if (reg >= AK4642_CACHEREGNUM)
- return;
+ SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC,
+ 0, 0xFF, 1, out_tlv),
+};
- cache[reg] = value;
-}
+
+/* codec private data */
+struct ak4642_priv {
+ unsigned int sysclk;
+ enum snd_soc_control_type control_type;
+};
/*
- * write to the AK4642 register space
+ * ak4642 register cache
*/
-static int ak4642_write(struct snd_soc_codec *codec, unsigned int reg,
- unsigned int value)
-{
- u8 data[2];
-
- /* data is
- * D15..D8 AK4642 register offset
- * D7...D0 register data
- */
- data[0] = reg & 0xff;
- data[1] = value & 0xff;
-
- if (codec->hw_write(codec->control_data, data, 2) == 2) {
- ak4642_write_reg_cache(codec, reg, value);
- return 0;
- } else
- return -EIO;
-}
-
-static int ak4642_sync(struct snd_soc_codec *codec)
-{
- u16 *cache = codec->reg_cache;
- int i, r = 0;
-
- for (i = 0; i < AK4642_CACHEREGNUM; i++)
- r |= ak4642_write(codec, i, cache[i]);
-
- return r;
+static const u8 ak4642_reg[AK4642_CACHEREGNUM] = {
+ 0x00, 0x00, 0x01, 0x00,
+ 0x02, 0x00, 0x00, 0x00,
+ 0xe1, 0xe1, 0x18, 0x00,
+ 0xe1, 0x18, 0x11, 0x08,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00,
};
static int ak4642_dai_startup(struct snd_pcm_substream *substream,
*
* PLL, Master Mode
* Audio I/F Format :MSB justified (ADC & DAC)
- * Digital Volume: -8dB
* Bass Boost Level : Middle
*
* This operation came from example code of
* "ASAHI KASEI AK4642" (japanese) manual p97.
*/
- ak4642_write(codec, 0x0f, 0x09);
- ak4642_write(codec, 0x0e, 0x19);
- ak4642_write(codec, 0x09, 0x91);
- ak4642_write(codec, 0x0c, 0x91);
- ak4642_write(codec, 0x0a, 0x28);
- ak4642_write(codec, 0x0d, 0x28);
- ak4642_write(codec, 0x00, 0x64);
+ snd_soc_update_bits(codec, MD_CTL4, DACH, DACH);
+ snd_soc_update_bits(codec, MD_CTL3, BST1, BST1);
+ snd_soc_write(codec, L_IVC, 0x91); /* volume */
+ snd_soc_write(codec, R_IVC, 0x91); /* volume */
+ snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMMIN | PMDAC,
+ PMVCM | PMMIN | PMDAC);
snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, PMHP);
snd_soc_update_bits(codec, PW_MGMT2, HPMTN, HPMTN);
} else {
* This operation came from example code of
* "ASAHI KASEI AK4642" (japanese) manual p94.
*/
- ak4642_write(codec, 0x02, 0x05);
- ak4642_write(codec, 0x06, 0x3c);
- ak4642_write(codec, 0x08, 0xe1);
- ak4642_write(codec, 0x0b, 0x00);
- ak4642_write(codec, 0x07, 0x21);
- ak4642_write(codec, 0x00, 0x41);
- ak4642_write(codec, 0x10, 0x01);
+ snd_soc_write(codec, SG_SL1, PMMP | MGAIN0);
+ snd_soc_write(codec, TIMER, ZTM(0x3) | WTM(0x3));
+ snd_soc_write(codec, ALC_CTL1, ALC | LMTH0);
+ snd_soc_update_bits(codec, PW_MGMT1, PMVCM | PMADL,
+ PMVCM | PMADL);
+ snd_soc_update_bits(codec, PW_MGMT3, PMADR, PMADR);
}
return 0;
/* stop headphone output */
snd_soc_update_bits(codec, PW_MGMT2, HPMTN, 0);
snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK, 0);
- ak4642_write(codec, 0x00, 0x40);
- ak4642_write(codec, 0x0e, 0x11);
- ak4642_write(codec, 0x0f, 0x08);
+ snd_soc_update_bits(codec, PW_MGMT1, PMMIN | PMDAC, 0);
+ snd_soc_update_bits(codec, MD_CTL3, BST1, 0);
+ snd_soc_update_bits(codec, MD_CTL4, DACH, 0);
} else {
/* stop stereo input */
- ak4642_write(codec, 0x00, 0x40);
- ak4642_write(codec, 0x10, 0x00);
- ak4642_write(codec, 0x07, 0x01);
+ snd_soc_update_bits(codec, PW_MGMT1, PMADL, 0);
+ snd_soc_update_bits(codec, PW_MGMT3, PMADR, 0);
+ snd_soc_update_bits(codec, ALC_CTL1, ALC, 0);
}
}
default:
return -EINVAL;
}
- snd_soc_update_bits(codec, PW_MGMT2, MS, data);
+ snd_soc_update_bits(codec, PW_MGMT2, MS | MCKO | PMPLL, data);
snd_soc_update_bits(codec, MD_CTL1, BCKO_MASK, bcko);
+ /* format type */
+ data = 0;
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_LEFT_J:
+ data = LEFT_J;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ data = I2S;
+ break;
+ /* FIXME
+ * Please add RIGHT_J / DSP support here
+ */
+ default:
+ return -EINVAL;
+ break;
+ }
+ snd_soc_update_bits(codec, MD_CTL1, DIF_MASK, data);
+
return 0;
}
.hw_params = ak4642_dai_hw_params,
};
-struct snd_soc_dai ak4642_dai = {
- .name = "AK4642",
+static struct snd_soc_dai_driver ak4642_dai = {
+ .name = "ak4642-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.ops = &ak4642_dai_ops,
.symmetric_rates = 1,
};
-EXPORT_SYMBOL_GPL(ak4642_dai);
-static int ak4642_resume(struct platform_device *pdev)
+static int ak4642_resume(struct snd_soc_codec *codec)
{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- struct snd_soc_codec *codec = socdev->card->codec;
-
- ak4642_sync(codec);
+ snd_soc_cache_sync(codec);
return 0;
}
-/*
- * initialise the AK4642 driver
- * register the mixer and dsp interfaces with the kernel
- */
-static int ak4642_init(struct ak4642_priv *ak4642)
-{
- struct snd_soc_codec *codec = &ak4642->codec;
- int ret = 0;
-
- if (ak4642_codec) {
- dev_err(codec->dev, "Another ak4642 is registered\n");
- return -EINVAL;
- }
-
- mutex_init(&codec->mutex);
- INIT_LIST_HEAD(&codec->dapm_widgets);
- INIT_LIST_HEAD(&codec->dapm_paths);
-
- snd_soc_codec_set_drvdata(codec, ak4642);
- codec->name = "AK4642";
- codec->owner = THIS_MODULE;
- codec->read = ak4642_read_reg_cache;
- codec->write = ak4642_write;
- codec->dai = &ak4642_dai;
- codec->num_dai = 1;
- codec->hw_write = (hw_write_t)i2c_master_send;
- codec->reg_cache_size = ARRAY_SIZE(ak4642_reg);
- codec->reg_cache = kmemdup(ak4642_reg,
- sizeof(ak4642_reg), GFP_KERNEL);
-
- if (!codec->reg_cache)
- return -ENOMEM;
- ak4642_dai.dev = codec->dev;
- ak4642_codec = codec;
+static int ak4642_probe(struct snd_soc_codec *codec)
+{
+ struct ak4642_priv *ak4642 = snd_soc_codec_get_drvdata(codec);
+ int ret;
- ret = snd_soc_register_codec(codec);
- if (ret) {
- dev_err(codec->dev, "Failed to register codec: %d\n", ret);
- goto reg_cache_err;
- }
+ dev_info(codec->dev, "AK4642 Audio Codec %s", AK4642_VERSION);
- ret = snd_soc_register_dai(&ak4642_dai);
- if (ret) {
- dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
- snd_soc_unregister_codec(codec);
- goto reg_cache_err;
+ ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4642->control_type);
+ if (ret < 0) {
+ dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
+ return ret;
}
- return ret;
-
-reg_cache_err:
- kfree(codec->reg_cache);
- codec->reg_cache = NULL;
+ snd_soc_add_controls(codec, ak4642_snd_controls,
+ ARRAY_SIZE(ak4642_snd_controls));
- return ret;
+ return 0;
}
+static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
+ .probe = ak4642_probe,
+ .resume = ak4642_resume,
+ .reg_cache_size = ARRAY_SIZE(ak4642_reg),
+ .reg_word_size = sizeof(u8),
+ .reg_cache_default = ak4642_reg,
+};
+
#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-static int ak4642_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static __devinit int ak4642_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
struct ak4642_priv *ak4642;
- struct snd_soc_codec *codec;
int ret;
ak4642 = kzalloc(sizeof(struct ak4642_priv), GFP_KERNEL);
if (!ak4642)
return -ENOMEM;
- codec = &ak4642->codec;
- codec->dev = &i2c->dev;
-
i2c_set_clientdata(i2c, ak4642);
- codec->control_data = i2c;
+ ak4642->control_type = SND_SOC_I2C;
- ret = ak4642_init(ak4642);
+ ret = snd_soc_register_codec(&i2c->dev,
+ &soc_codec_dev_ak4642, &ak4642_dai, 1);
if (ret < 0)
- printk(KERN_ERR "failed to initialise AK4642\n");
-
+ kfree(ak4642);
return ret;
}
-static int ak4642_i2c_remove(struct i2c_client *client)
+static __devexit int ak4642_i2c_remove(struct i2c_client *client)
{
- struct ak4642_priv *ak4642 = i2c_get_clientdata(client);
-
- snd_soc_unregister_dai(&ak4642_dai);
- snd_soc_unregister_codec(&ak4642->codec);
- kfree(ak4642->codec.reg_cache);
- kfree(ak4642);
- ak4642_codec = NULL;
-
+ snd_soc_unregister_codec(&client->dev);
+ kfree(i2c_get_clientdata(client));
return 0;
}
static struct i2c_driver ak4642_i2c_driver = {
.driver = {
- .name = "AK4642 I2C Codec",
+ .name = "ak4642-codec",
.owner = THIS_MODULE,
},
.probe = ak4642_i2c_probe,
- .remove = ak4642_i2c_remove,
+ .remove = __devexit_p(ak4642_i2c_remove),
.id_table = ak4642_i2c_id,
};
-
#endif
-static int ak4642_probe(struct platform_device *pdev)
-{
- struct snd_soc_device *socdev = platform_get_drvdata(pdev);
- int ret;
-
- if (!ak4642_codec) {
- dev_err(&pdev->dev, "Codec device not registered\n");
- return -ENODEV;
- }
-
- socdev->card->codec = ak4642_codec;
-
- /* register pcms */
- ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
- if (ret < 0) {
- printk(KERN_ERR "ak4642: failed to create pcms\n");
- goto pcm_err;
- }
-
- dev_info(&pdev->dev, "AK4642 Audio Codec %s", AK4642_VERSION);
- return ret;
-
-pcm_err:
- return ret;
-
-}
-
-/* power down chip */
-static int ak4642_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_ak4642 = {
- .probe = ak4642_probe,
- .remove = ak4642_remove,
- .resume = ak4642_resume,
-};
-EXPORT_SYMBOL_GPL(soc_codec_dev_ak4642);
-
static int __init ak4642_modinit(void)
{
int ret = 0;
projects / linux-flexiantxendom0.git / blobdiff