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Diffstat (limited to 'sound/soc/codecs/rt5514.c')
-rw-r--r--sound/soc/codecs/rt5514.c136
1 files changed, 134 insertions, 2 deletions
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c
index 879bf60f4965..ecb09891b662 100644
--- a/sound/soc/codecs/rt5514.c
+++ b/sound/soc/codecs/rt5514.c
@@ -30,6 +30,9 @@
#include "rl6231.h"
#include "rt5514.h"
+#if defined(CONFIG_SND_SOC_RT5514_SPI)
+#include "rt5514-spi.h"
+#endif
static const struct reg_sequence rt5514_i2c_patch[] = {
{0x1800101c, 0x00000000},
@@ -110,6 +113,35 @@ static const struct reg_default rt5514_reg[] = {
{RT5514_VENDOR_ID2, 0x10ec5514},
};
+static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
+{
+ /* Reset */
+ regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
+ /* LDO_I_limit */
+ regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
+ /* I2C bypass enable */
+ regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
+ /* mini-core reset */
+ regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
+ regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
+ /* I2C bypass disable */
+ regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
+ /* PIN config */
+ regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
+ /* PLL3(QN)=RCOSC*(10+2) */
+ regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
+ /* PLL3 source=RCOSC, fsi=rt_clk */
+ regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
+ /* Power on RCOSC, pll3 */
+ regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
+ /* DSP clk source = pll3, ENABLE DSP clk */
+ regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
+ /* Enable DSP clk auto switch */
+ regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
+ /* Reduce DSP power */
+ regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
+}
+
static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
@@ -248,6 +280,74 @@ static const DECLARE_TLV_DB_RANGE(bst_tlv,
static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -17625, 375, 0);
+static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
+
+ ucontrol->value.integer.value[0] = rt5514->dsp_enabled;
+
+ return 0;
+}
+
+static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
+ struct snd_soc_codec *codec = rt5514->codec;
+ const struct firmware *fw = NULL;
+
+ if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
+ return 0;
+
+ if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
+ rt5514->dsp_enabled = ucontrol->value.integer.value[0];
+
+ if (rt5514->dsp_enabled) {
+ rt5514_enable_dsp_prepare(rt5514);
+
+ request_firmware(&fw, RT5514_FIRMWARE1, codec->dev);
+ if (fw) {
+#if defined(CONFIG_SND_SOC_RT5514_SPI)
+ rt5514_spi_burst_write(0x4ff60000, fw->data,
+ ((fw->size/8)+1)*8);
+#else
+ dev_err(codec->dev, "There is no SPI driver for"
+ " loading the firmware\n");
+#endif
+ release_firmware(fw);
+ fw = NULL;
+ }
+
+ request_firmware(&fw, RT5514_FIRMWARE2, codec->dev);
+ if (fw) {
+#if defined(CONFIG_SND_SOC_RT5514_SPI)
+ rt5514_spi_burst_write(0x4ffc0000, fw->data,
+ ((fw->size/8)+1)*8);
+#else
+ dev_err(codec->dev, "There is no SPI driver for"
+ " loading the firmware\n");
+#endif
+ release_firmware(fw);
+ fw = NULL;
+ }
+
+ /* DSP run */
+ regmap_write(rt5514->i2c_regmap, 0x18002f00,
+ 0x00055148);
+ } else {
+ regmap_multi_reg_write(rt5514->i2c_regmap,
+ rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
+ regcache_mark_dirty(rt5514->regmap);
+ regcache_sync(rt5514->regmap);
+ }
+ }
+
+ return 0;
+}
+
static const struct snd_kcontrol_new rt5514_snd_controls[] = {
SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
@@ -257,6 +357,8 @@ static const struct snd_kcontrol_new rt5514_snd_controls[] = {
SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 127, 0,
adc_vol_tlv),
+ SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
+ rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
};
/* ADC Mixer*/
@@ -365,6 +467,35 @@ static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
return 0;
}
+static int rt5514_pre_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ /**
+ * If the DSP is enabled in start of recording, the DSP
+ * should be disabled, and sync back to normal recording
+ * settings to make sure recording properly.
+ */
+ if (rt5514->dsp_enabled) {
+ rt5514->dsp_enabled = 0;
+ regmap_multi_reg_write(rt5514->i2c_regmap,
+ rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
+ regcache_mark_dirty(rt5514->regmap);
+ regcache_sync(rt5514->regmap);
+ }
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
/* Input Lines */
SND_SOC_DAPM_INPUT("DMIC1L"),
@@ -472,6 +603,8 @@ static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
/* Audio Interface */
SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
+
+ SND_SOC_DAPM_PRE("DAPM Pre", rt5514_pre_event),
};
static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
@@ -871,7 +1004,6 @@ static const struct regmap_config rt5514_i2c_regmap = {
.reg_bits = 32,
.val_bits = 32,
- .max_register = RT5514_DSP_MAPPING | RT5514_VENDOR_ID2,
.readable_reg = rt5514_i2c_readable_register,
.cache_type = REGCACHE_NONE,
@@ -944,7 +1076,7 @@ static int rt5514_i2c_probe(struct i2c_client *i2c,
return -ENODEV;
}
- ret = regmap_register_patch(rt5514->i2c_regmap, rt5514_i2c_patch,
+ ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
ARRAY_SIZE(rt5514_i2c_patch));
if (ret != 0)
dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",