1 files changed, 59 insertions, 1 deletions

diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h
index 00a195aa02e4..ac827e578c4d 100644
--- a/sound/soc/codecs/tlv320aic3x.h
+++ b/sound/soc/codecs/tlv320aic3x.h
@@ -35,11 +35,15 @@
 #define AIC3X_ASD_INTF_CTRLA		8
 /* Audio serial data interface control register B */
 #define AIC3X_ASD_INTF_CTRLB		9
+/* Audio serial data interface control register C */
+#define AIC3X_ASD_INTF_CTRLC		10
 /* Audio overflow status and PLL R value programming register */
 #define AIC3X_OVRF_STATUS_AND_PLLR_REG	11
 /* Audio codec digital filter control register */
 #define AIC3X_CODEC_DFILT_CTRL		12
-
+/* Headset/button press detection register */
+#define AIC3X_HEADSET_DETECT_CTRL_A	13
+#define AIC3X_HEADSET_DETECT_CTRL_B	14
 /* ADC PGA Gain control registers */
 #define LADC_VOL			15
 #define RADC_VOL			16
@@ -48,7 +52,9 @@
 #define MIC3LR_2_RADC_CTRL		18
 /* Line1 Input control registers */
 #define LINE1L_2_LADC_CTRL		19
+#define LINE1R_2_LADC_CTRL		21
 #define LINE1R_2_RADC_CTRL		22
+#define LINE1L_2_RADC_CTRL		24
 /* Line2 Input control registers */
 #define LINE2L_2_LADC_CTRL		20
 #define LINE2R_2_RADC_CTRL		23
@@ -79,6 +85,8 @@
 #define LINE2L_2_HPLOUT_VOL		45
 #define LINE2R_2_HPROUT_VOL		62
 #define PGAL_2_HPLOUT_VOL		46
+#define PGAL_2_HPROUT_VOL		60
+#define PGAR_2_HPLOUT_VOL		49
 #define PGAR_2_HPROUT_VOL		63
 #define DACL1_2_HPLOUT_VOL		47
 #define DACR1_2_HPROUT_VOL		64
@@ -88,6 +96,8 @@
 #define LINE2L_2_HPLCOM_VOL		52
 #define LINE2R_2_HPRCOM_VOL		69
 #define PGAL_2_HPLCOM_VOL		53
+#define PGAR_2_HPLCOM_VOL		56
+#define PGAL_2_HPRCOM_VOL		67
 #define PGAR_2_HPRCOM_VOL		70
 #define DACL1_2_HPLCOM_VOL		54
 #define DACR1_2_HPRCOM_VOL		71
@@ -103,11 +113,17 @@
 #define MONOLOPM_CTRL			79
 /* Line Output Plus/Minus control registers */
 #define LINE2L_2_LLOPM_VOL		80
+#define LINE2L_2_RLOPM_VOL		87
+#define LINE2R_2_LLOPM_VOL		83
 #define LINE2R_2_RLOPM_VOL		90
 #define PGAL_2_LLOPM_VOL		81
+#define PGAL_2_RLOPM_VOL		88
+#define PGAR_2_LLOPM_VOL		84
 #define PGAR_2_RLOPM_VOL		91
 #define DACL1_2_LLOPM_VOL		82
+#define DACL1_2_RLOPM_VOL		89
 #define DACR1_2_RLOPM_VOL		92
+#define DACR1_2_LLOPM_VOL		85
 #define LLOPM_CTRL			86
 #define RLOPM_CTRL			93
 /* GPIO/IRQ registers */
@@ -221,7 +237,49 @@ enum {
 
 void aic3x_set_gpio(struct snd_soc_codec *codec, int gpio, int state);
 int aic3x_get_gpio(struct snd_soc_codec *codec, int gpio);
+
+/* headset detection / button API */
+
+/* The AIC3x supports detection of stereo headsets (GND + left + right signal)
+ * and cellular headsets (GND + speaker output + microphone input).
+ * It is recommended to enable MIC bias for this function to work properly.
+ * For more information, please refer to the datasheet. */
+enum {
+	AIC3X_HEADSET_DETECT_OFF	= 0,
+	AIC3X_HEADSET_DETECT_STEREO	= 1,
+	AIC3X_HEADSET_DETECT_CELLULAR   = 2,
+	AIC3X_HEADSET_DETECT_BOTH	= 3
+};
+
+enum {
+	AIC3X_HEADSET_DEBOUNCE_16MS	= 0,
+	AIC3X_HEADSET_DEBOUNCE_32MS	= 1,
+	AIC3X_HEADSET_DEBOUNCE_64MS	= 2,
+	AIC3X_HEADSET_DEBOUNCE_128MS	= 3,
+	AIC3X_HEADSET_DEBOUNCE_256MS	= 4,
+	AIC3X_HEADSET_DEBOUNCE_512MS	= 5
+};
+
+enum {
+	AIC3X_BUTTON_DEBOUNCE_0MS	= 0,
+	AIC3X_BUTTON_DEBOUNCE_8MS	= 1,
+	AIC3X_BUTTON_DEBOUNCE_16MS	= 2,
+	AIC3X_BUTTON_DEBOUNCE_32MS	= 3
+};
+
+#define AIC3X_HEADSET_DETECT_ENABLED	0x80
+#define AIC3X_HEADSET_DETECT_SHIFT	5
+#define AIC3X_HEADSET_DETECT_MASK	3
+#define AIC3X_HEADSET_DEBOUNCE_SHIFT	2
+#define AIC3X_HEADSET_DEBOUNCE_MASK	7
+#define AIC3X_BUTTON_DEBOUNCE_SHIFT 	0
+#define AIC3X_BUTTON_DEBOUNCE_MASK	3
+
+/* see the enums above for valid parameters to this function */
+void aic3x_set_headset_detection(struct snd_soc_codec *codec, int detect,
+				 int headset_debounce, int button_debounce);
 int aic3x_headset_detected(struct snd_soc_codec *codec);
+int aic3x_button_pressed(struct snd_soc_codec *codec);
 
 struct aic3x_setup_data {
 	int i2c_bus;