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Diffstat (limited to 'sound/soc/codecs/ak4642.c')
-rw-r--r--sound/soc/codecs/ak4642.c201
1 files changed, 114 insertions, 87 deletions
diff --git a/sound/soc/codecs/ak4642.c b/sound/soc/codecs/ak4642.c
index 2d037870970..3ba4c0f1141 100644
--- a/sound/soc/codecs/ak4642.c
+++ b/sound/soc/codecs/ak4642.c
@@ -28,6 +28,7 @@
#include <linux/slab.h>
#include <linux/of_device.h>
#include <linux/module.h>
+#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
@@ -97,7 +98,7 @@
#define MGAIN0 (1 << 0) /* MIC amp gain*/
/* TIMER */
-#define ZTM(param) ((param & 0x3) << 4) /* ALC Zoro Crossing TimeOut */
+#define ZTM(param) ((param & 0x3) << 4) /* ALC Zero Crossing TimeOut */
#define WTM(param) (((param & 0x4) << 4) | ((param & 0x3) << 2))
/* ALC_CTL1 */
@@ -133,6 +134,15 @@
/* MD_CTL4 */
#define DACH (1 << 0)
+struct ak4642_drvdata {
+ const struct regmap_config *regmap_config;
+ int extended_frequencies;
+};
+
+struct ak4642_priv {
+ const struct ak4642_drvdata *drvdata;
+};
+
/*
* Playback Volume (table 39)
*
@@ -147,6 +157,8 @@ static const struct snd_kcontrol_new ak4642_snd_controls[] = {
SOC_DOUBLE_R_TLV("Digital Playback Volume", L_DVC, R_DVC,
0, 0xFF, 1, out_tlv),
+ SOC_SINGLE("ALC Capture Switch", ALC_CTL1, 5, 1, 0),
+ SOC_SINGLE("ALC Capture ZC Switch", ALC_CTL1, 4, 1, 1),
};
static const struct snd_kcontrol_new ak4642_headphone_control =
@@ -198,30 +210,30 @@ static const struct snd_soc_dapm_route ak4642_intercon[] = {
/*
* ak4642 register cache
*/
-static const u8 ak4642_reg[] = {
- 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 const struct reg_default ak4642_reg[] = {
+ { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 },
+ { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 },
+ { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 },
+ { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0x08 },
+ { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 },
+ { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 },
+ { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 },
+ { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 },
+ { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 },
+ { 36, 0x00 },
};
-static const u8 ak4648_reg[] = {
- 0x00, 0x00, 0x01, 0x00,
- 0x02, 0x00, 0x00, 0x00,
- 0xe1, 0xe1, 0x18, 0x00,
- 0xe1, 0x18, 0x11, 0xb8,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x88, 0x88, 0x08,
+static const struct reg_default ak4648_reg[] = {
+ { 0, 0x00 }, { 1, 0x00 }, { 2, 0x01 }, { 3, 0x00 },
+ { 4, 0x02 }, { 5, 0x00 }, { 6, 0x00 }, { 7, 0x00 },
+ { 8, 0xe1 }, { 9, 0xe1 }, { 10, 0x18 }, { 11, 0x00 },
+ { 12, 0xe1 }, { 13, 0x18 }, { 14, 0x11 }, { 15, 0xb8 },
+ { 16, 0x00 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x00 },
+ { 20, 0x00 }, { 21, 0x00 }, { 22, 0x00 }, { 23, 0x00 },
+ { 24, 0x00 }, { 25, 0x00 }, { 26, 0x00 }, { 27, 0x00 },
+ { 28, 0x00 }, { 29, 0x00 }, { 30, 0x00 }, { 31, 0x00 },
+ { 32, 0x00 }, { 33, 0x00 }, { 34, 0x00 }, { 35, 0x00 },
+ { 36, 0x00 }, { 37, 0x88 }, { 38, 0x88 }, { 39, 0x08 },
};
static int ak4642_dai_startup(struct snd_pcm_substream *substream,
@@ -257,7 +269,7 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream,
* This operation came from example code of
* "ASAHI KASEI AK4642" (japanese) manual p94.
*/
- snd_soc_write(codec, SG_SL1, PMMP | MGAIN0);
+ snd_soc_update_bits(codec, SG_SL1, PMMP | MGAIN0, 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, PMADL, PMADL);
@@ -286,7 +298,9 @@ static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai,
int clk_id, unsigned int freq, int dir)
{
struct snd_soc_codec *codec = codec_dai->codec;
+ struct ak4642_priv *priv = snd_soc_codec_get_drvdata(codec);
u8 pll;
+ int extended_freq = 0;
switch (freq) {
case 11289600:
@@ -307,9 +321,25 @@ static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai,
case 27000000:
pll = PLL3 | PLL2 | PLL0;
break;
+ case 19200000:
+ pll = PLL3;
+ extended_freq = 1;
+ break;
+ case 13000000:
+ pll = PLL3 | PLL2 | PLL1;
+ extended_freq = 1;
+ break;
+ case 26000000:
+ pll = PLL3 | PLL2 | PLL1 | PLL0;
+ extended_freq = 1;
+ break;
default:
return -EINVAL;
}
+
+ if (extended_freq && !priv->drvdata->extended_frequencies)
+ return -EINVAL;
+
snd_soc_update_bits(codec, MD_CTL1, PLL_MASK, pll);
return 0;
@@ -352,7 +382,6 @@ static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
*/
default:
return -EINVAL;
- break;
}
snd_soc_update_bits(codec, MD_CTL1, DIF_MASK, data);
@@ -405,7 +434,6 @@ static int ak4642_dai_hw_params(struct snd_pcm_substream *substream,
break;
default:
return -EINVAL;
- break;
}
snd_soc_update_bits(codec, MD_CTL2, FS_MASK, rate);
@@ -456,24 +484,16 @@ static struct snd_soc_dai_driver ak4642_dai = {
static int ak4642_resume(struct snd_soc_codec *codec)
{
- snd_soc_cache_sync(codec);
+ struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
+
+ regcache_mark_dirty(regmap);
+ regcache_sync(regmap);
return 0;
}
static int ak4642_probe(struct snd_soc_codec *codec)
{
- int ret;
-
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
-
- snd_soc_add_codec_controls(codec, ak4642_snd_controls,
- ARRAY_SIZE(ak4642_snd_controls));
-
ak4642_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
return 0;
@@ -490,55 +510,81 @@ static struct snd_soc_codec_driver soc_codec_dev_ak4642 = {
.remove = ak4642_remove,
.resume = ak4642_resume,
.set_bias_level = ak4642_set_bias_level,
- .reg_cache_default = ak4642_reg, /* ak4642 reg */
- .reg_cache_size = ARRAY_SIZE(ak4642_reg), /* ak4642 reg */
- .reg_word_size = sizeof(u8),
+ .controls = ak4642_snd_controls,
+ .num_controls = ARRAY_SIZE(ak4642_snd_controls),
.dapm_widgets = ak4642_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets),
.dapm_routes = ak4642_intercon,
.num_dapm_routes = ARRAY_SIZE(ak4642_intercon),
};
-static struct snd_soc_codec_driver soc_codec_dev_ak4648 = {
- .probe = ak4642_probe,
- .remove = ak4642_remove,
- .resume = ak4642_resume,
- .set_bias_level = ak4642_set_bias_level,
- .reg_cache_default = ak4648_reg, /* ak4648 reg */
- .reg_cache_size = ARRAY_SIZE(ak4648_reg), /* ak4648 reg */
- .reg_word_size = sizeof(u8),
- .dapm_widgets = ak4642_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(ak4642_dapm_widgets),
- .dapm_routes = ak4642_intercon,
- .num_dapm_routes = ARRAY_SIZE(ak4642_intercon),
+static const struct regmap_config ak4642_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = ARRAY_SIZE(ak4642_reg) + 1,
+ .reg_defaults = ak4642_reg,
+ .num_reg_defaults = ARRAY_SIZE(ak4642_reg),
+};
+
+static const struct regmap_config ak4648_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = ARRAY_SIZE(ak4648_reg) + 1,
+ .reg_defaults = ak4648_reg,
+ .num_reg_defaults = ARRAY_SIZE(ak4648_reg),
+};
+
+static const struct ak4642_drvdata ak4642_drvdata = {
+ .regmap_config = &ak4642_regmap,
+};
+
+static const struct ak4642_drvdata ak4643_drvdata = {
+ .regmap_config = &ak4642_regmap,
+};
+
+static const struct ak4642_drvdata ak4648_drvdata = {
+ .regmap_config = &ak4648_regmap,
+ .extended_frequencies = 1,
};
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
static struct of_device_id ak4642_of_match[];
static int ak4642_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct device_node *np = i2c->dev.of_node;
- const struct snd_soc_codec_driver *driver;
+ const struct ak4642_drvdata *drvdata = NULL;
+ struct regmap *regmap;
+ struct ak4642_priv *priv;
- driver = NULL;
if (np) {
const struct of_device_id *of_id;
of_id = of_match_device(ak4642_of_match, &i2c->dev);
if (of_id)
- driver = of_id->data;
+ drvdata = of_id->data;
} else {
- driver = (struct snd_soc_codec_driver *)id->driver_data;
+ drvdata = (const struct ak4642_drvdata *)id->driver_data;
}
- if (!driver) {
- dev_err(&i2c->dev, "no driver\n");
+ if (!drvdata) {
+ dev_err(&i2c->dev, "Unknown device type\n");
return -EINVAL;
}
+ priv = devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->drvdata = drvdata;
+
+ i2c_set_clientdata(i2c, priv);
+
+ regmap = devm_regmap_init_i2c(i2c, drvdata->regmap_config);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
return snd_soc_register_codec(&i2c->dev,
- driver, &ak4642_dai, 1);
+ &soc_codec_dev_ak4642, &ak4642_dai, 1);
}
static int ak4642_i2c_remove(struct i2c_client *client)
@@ -548,17 +594,17 @@ static int ak4642_i2c_remove(struct i2c_client *client)
}
static struct of_device_id ak4642_of_match[] = {
- { .compatible = "asahi-kasei,ak4642", .data = &soc_codec_dev_ak4642},
- { .compatible = "asahi-kasei,ak4643", .data = &soc_codec_dev_ak4642},
- { .compatible = "asahi-kasei,ak4648", .data = &soc_codec_dev_ak4648},
+ { .compatible = "asahi-kasei,ak4642", .data = &ak4642_drvdata},
+ { .compatible = "asahi-kasei,ak4643", .data = &ak4643_drvdata},
+ { .compatible = "asahi-kasei,ak4648", .data = &ak4648_drvdata},
{},
};
MODULE_DEVICE_TABLE(of, ak4642_of_match);
static const struct i2c_device_id ak4642_i2c_id[] = {
- { "ak4642", (kernel_ulong_t)&soc_codec_dev_ak4642 },
- { "ak4643", (kernel_ulong_t)&soc_codec_dev_ak4642 },
- { "ak4648", (kernel_ulong_t)&soc_codec_dev_ak4648 },
+ { "ak4642", (kernel_ulong_t)&ak4642_drvdata },
+ { "ak4643", (kernel_ulong_t)&ak4643_drvdata },
+ { "ak4648", (kernel_ulong_t)&ak4648_drvdata },
{ }
};
MODULE_DEVICE_TABLE(i2c, ak4642_i2c_id);
@@ -573,27 +619,8 @@ static struct i2c_driver ak4642_i2c_driver = {
.remove = ak4642_i2c_remove,
.id_table = ak4642_i2c_id,
};
-#endif
-
-static int __init ak4642_modinit(void)
-{
- int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- ret = i2c_add_driver(&ak4642_i2c_driver);
-#endif
- return ret;
-}
-module_init(ak4642_modinit);
-
-static void __exit ak4642_exit(void)
-{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
- i2c_del_driver(&ak4642_i2c_driver);
-#endif
-
-}
-module_exit(ak4642_exit);
+module_i2c_driver(ak4642_i2c_driver);
MODULE_DESCRIPTION("Soc AK4642 driver");
MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");