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Diffstat (limited to 'sound/soc/codecs/wm8960.c')
-rw-r--r--sound/soc/codecs/wm8960.c197
1 files changed, 130 insertions, 67 deletions
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index e5caae32e54..a145d0431b6 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -1,6 +1,8 @@
/*
* wm8960.c -- WM8960 ALSA SoC Audio driver
*
+ * Copyright 2007-11 Wolfson Microelectronics, plc
+ *
* Author: Liam Girdwood
*
* This program is free software; you can redistribute it and/or modify
@@ -50,25 +52,72 @@
* We can't read the WM8960 register space when we are
* using 2 wire for device control, so we cache them instead.
*/
-static const u16 wm8960_reg[WM8960_CACHEREGNUM] = {
- 0x0097, 0x0097, 0x0000, 0x0000,
- 0x0000, 0x0008, 0x0000, 0x000a,
- 0x01c0, 0x0000, 0x00ff, 0x00ff,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x007b, 0x0100, 0x0032,
- 0x0000, 0x00c3, 0x00c3, 0x01c0,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0000, 0x0000,
- 0x0100, 0x0100, 0x0050, 0x0050,
- 0x0050, 0x0050, 0x0000, 0x0000,
- 0x0000, 0x0000, 0x0040, 0x0000,
- 0x0000, 0x0050, 0x0050, 0x0000,
- 0x0002, 0x0037, 0x004d, 0x0080,
- 0x0008, 0x0031, 0x0026, 0x00e9,
+static const struct reg_default wm8960_reg_defaults[] = {
+ { 0x0, 0x00a7 },
+ { 0x1, 0x00a7 },
+ { 0x2, 0x0000 },
+ { 0x3, 0x0000 },
+ { 0x4, 0x0000 },
+ { 0x5, 0x0008 },
+ { 0x6, 0x0000 },
+ { 0x7, 0x000a },
+ { 0x8, 0x01c0 },
+ { 0x9, 0x0000 },
+ { 0xa, 0x00ff },
+ { 0xb, 0x00ff },
+
+ { 0x10, 0x0000 },
+ { 0x11, 0x007b },
+ { 0x12, 0x0100 },
+ { 0x13, 0x0032 },
+ { 0x14, 0x0000 },
+ { 0x15, 0x00c3 },
+ { 0x16, 0x00c3 },
+ { 0x17, 0x01c0 },
+ { 0x18, 0x0000 },
+ { 0x19, 0x0000 },
+ { 0x1a, 0x0000 },
+ { 0x1b, 0x0000 },
+ { 0x1c, 0x0000 },
+ { 0x1d, 0x0000 },
+
+ { 0x20, 0x0100 },
+ { 0x21, 0x0100 },
+ { 0x22, 0x0050 },
+
+ { 0x25, 0x0050 },
+ { 0x26, 0x0000 },
+ { 0x27, 0x0000 },
+ { 0x28, 0x0000 },
+ { 0x29, 0x0000 },
+ { 0x2a, 0x0040 },
+ { 0x2b, 0x0000 },
+ { 0x2c, 0x0000 },
+ { 0x2d, 0x0050 },
+ { 0x2e, 0x0050 },
+ { 0x2f, 0x0000 },
+ { 0x30, 0x0002 },
+ { 0x31, 0x0037 },
+
+ { 0x33, 0x0080 },
+ { 0x34, 0x0008 },
+ { 0x35, 0x0031 },
+ { 0x36, 0x0026 },
+ { 0x37, 0x00e9 },
};
+static bool wm8960_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case WM8960_RESET:
+ return true;
+ default:
+ return false;
+ }
+}
+
struct wm8960_priv {
- enum snd_soc_control_type control_type;
+ struct regmap *regmap;
int (*set_bias_level)(struct snd_soc_codec *,
enum snd_soc_bias_level level);
struct snd_soc_dapm_widget *lout1;
@@ -129,7 +178,7 @@ static int wm8960_set_deemph(struct snd_soc_codec *codec)
static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.enumerated.item[0] = wm8960->deemph;
@@ -139,7 +188,7 @@ static int wm8960_get_deemph(struct snd_kcontrol *kcontrol,
static int wm8960_put_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
int deemph = ucontrol->value.enumerated.item[0];
@@ -155,6 +204,7 @@ static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
+static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
static const struct snd_kcontrol_new wm8960_snd_controls[] = {
SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
@@ -164,6 +214,15 @@ SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
7, 1, 0),
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT3 Volume",
+ WM8960_INBMIX1, 4, 7, 0, boost_tlv),
+SOC_SINGLE_TLV("Right Input Boost Mixer RINPUT2 Volume",
+ WM8960_INBMIX1, 1, 7, 0, boost_tlv),
+SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT3 Volume",
+ WM8960_INBMIX2, 4, 7, 0, boost_tlv),
+SOC_SINGLE_TLV("Left Input Boost Mixer LINPUT2 Volume",
+ WM8960_INBMIX2, 1, 7, 0, boost_tlv),
+
SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
0, 255, 0, dac_tlv),
@@ -204,8 +263,8 @@ SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
-SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH,
- 0, 127, 0),
+SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
+ 0, 255, 0, adc_tlv),
SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
@@ -274,8 +333,8 @@ SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
wm8960_rin, ARRAY_SIZE(wm8960_rin)),
-SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER2, 3, 0),
-SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER2, 2, 0),
+SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER1, 3, 0),
+SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER1, 2, 0),
SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
@@ -505,22 +564,28 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
+ snd_pcm_format_t format = params_format(params);
int i;
/* bit size */
- switch (params_format(params)) {
+ switch (format) {
case SNDRV_PCM_FORMAT_S16_LE:
+ case SNDRV_PCM_FORMAT_S16_BE:
break;
case SNDRV_PCM_FORMAT_S20_3LE:
+ case SNDRV_PCM_FORMAT_S20_3BE:
iface |= 0x0004;
break;
case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S24_BE:
iface |= 0x0008;
break;
+ default:
+ dev_err(codec->dev, "unsupported format %i\n", format);
+ return -EINVAL;
}
/* Update filters for the new rate */
@@ -554,6 +619,8 @@ static int wm8960_mute(struct snd_soc_dai *dai, int mute)
static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+
switch (level) {
case SND_SOC_BIAS_ON:
break;
@@ -565,7 +632,7 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
- snd_soc_cache_sync(codec);
+ regcache_sync(wm8960->regmap);
/* Enable anti-pop features */
snd_soc_write(codec, WM8960_APOP1,
@@ -666,7 +733,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
break;
case SND_SOC_BIAS_OFF:
- snd_soc_cache_sync(codec);
+ regcache_sync(wm8960->regmap);
break;
default:
break;
@@ -790,9 +857,9 @@ static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
if (pll_div.k) {
reg |= 0x20;
- snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
- snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
- snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
+ snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 16) & 0xff);
+ snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 8) & 0xff);
+ snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0xff);
}
snd_soc_write(codec, WM8960_PLL1, reg);
@@ -905,21 +972,10 @@ static int wm8960_probe(struct snd_soc_codec *codec)
if (!pdata) {
dev_warn(codec->dev, "No platform data supplied\n");
} else {
- if (pdata->dres > WM8960_DRES_MAX) {
- dev_err(codec->dev, "Invalid DRES: %d\n", pdata->dres);
- pdata->dres = 0;
- }
-
if (pdata->capless)
wm8960->set_bias_level = wm8960_set_bias_level_capless;
}
- ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8960->control_type);
- if (ret < 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- return ret;
- }
-
ret = wm8960_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
@@ -940,7 +996,7 @@ static int wm8960_probe(struct snd_soc_codec *codec)
snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100);
snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100);
- snd_soc_add_controls(codec, wm8960_snd_controls,
+ snd_soc_add_codec_controls(codec, wm8960_snd_controls,
ARRAY_SIZE(wm8960_snd_controls));
wm8960_add_widgets(codec);
@@ -962,14 +1018,24 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
.suspend = wm8960_suspend,
.resume = wm8960_resume,
.set_bias_level = wm8960_set_bias_level,
- .reg_cache_size = ARRAY_SIZE(wm8960_reg),
- .reg_word_size = sizeof(u16),
- .reg_cache_default = wm8960_reg,
};
-static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
+static const struct regmap_config wm8960_regmap = {
+ .reg_bits = 7,
+ .val_bits = 9,
+ .max_register = WM8960_PLL4,
+
+ .reg_defaults = wm8960_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+
+ .volatile_reg = wm8960_volatile,
+};
+
+static int wm8960_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
{
+ struct wm8960_data *pdata = dev_get_platdata(&i2c->dev);
struct wm8960_priv *wm8960;
int ret;
@@ -978,8 +1044,21 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
if (wm8960 == NULL)
return -ENOMEM;
+ wm8960->regmap = devm_regmap_init_i2c(i2c, &wm8960_regmap);
+ if (IS_ERR(wm8960->regmap))
+ return PTR_ERR(wm8960->regmap);
+
+ if (pdata && pdata->shared_lrclk) {
+ ret = regmap_update_bits(wm8960->regmap, WM8960_ADDCTL2,
+ 0x4, 0x4);
+ if (ret != 0) {
+ dev_err(&i2c->dev, "Failed to enable LRCM: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
i2c_set_clientdata(i2c, wm8960);
- wm8960->control_type = SND_SOC_I2C;
ret = snd_soc_register_codec(&i2c->dev,
&soc_codec_dev_wm8960, &wm8960_dai, 1);
@@ -987,7 +1066,7 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
return ret;
}
-static __devexit int wm8960_i2c_remove(struct i2c_client *client)
+static int wm8960_i2c_remove(struct i2c_client *client)
{
snd_soc_unregister_codec(&client->dev);
return 0;
@@ -1005,27 +1084,11 @@ static struct i2c_driver wm8960_i2c_driver = {
.owner = THIS_MODULE,
},
.probe = wm8960_i2c_probe,
- .remove = __devexit_p(wm8960_i2c_remove),
+ .remove = wm8960_i2c_remove,
.id_table = wm8960_i2c_id,
};
-static int __init wm8960_modinit(void)
-{
- int ret = 0;
- ret = i2c_add_driver(&wm8960_i2c_driver);
- if (ret != 0) {
- printk(KERN_ERR "Failed to register WM8960 I2C driver: %d\n",
- ret);
- }
- return ret;
-}
-module_init(wm8960_modinit);
-
-static void __exit wm8960_exit(void)
-{
- i2c_del_driver(&wm8960_i2c_driver);
-}
-module_exit(wm8960_exit);
+module_i2c_driver(wm8960_i2c_driver);
MODULE_DESCRIPTION("ASoC WM8960 driver");
MODULE_AUTHOR("Liam Girdwood");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 10:22:27 +0000