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authorMark Brown <broonie@opensource.wolfsonmicro.com>2013-01-11 08:55:43 +0900
committerChanwoo Choi <cw00.choi@samsung.com>2013-01-15 15:42:17 +0900
commit4f340333822de79b3439bddccdbf3846f9794e42 (patch)
tree03ef9d0ad533f531dce5ba38e79d3cb8ecb936b2 /include
parent92a49871b378b1e523a95da569cd38efdd06eee5 (diff)
downloadlinux-4f340333822de79b3439bddccdbf3846f9794e42.tar.bz2
extcon: arizona: Enable basic headphone identification
Use the headphone detection to identify if the accessory is a headphone or line load. There are two different revisions of the IP with different register layouts, support both. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mfd/arizona/registers.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index f3211f06cec6..e9150533e701 100644
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -119,6 +119,7 @@
#define ARIZONA_ACCESSORY_DETECT_MODE_1 0x293
#define ARIZONA_HEADPHONE_DETECT_1 0x29B
#define ARIZONA_HEADPHONE_DETECT_2 0x29C
+#define ARIZONA_HP_DACVAL 0x29F
#define ARIZONA_MICD_CLAMP_CONTROL 0x2A2
#define ARIZONA_MIC_DETECT_1 0x2A3
#define ARIZONA_MIC_DETECT_2 0x2A4
@@ -2036,6 +2037,9 @@
/*
* R667 (0x29B) - Headphone Detect 1
*/
+#define ARIZONA_HP_IMPEDANCE_RANGE_MASK 0x0600 /* HP_IMPEDANCE_RANGE - [10:9] */
+#define ARIZONA_HP_IMPEDANCE_RANGE_SHIFT 9 /* HP_IMPEDANCE_RANGE - [10:9] */
+#define ARIZONA_HP_IMPEDANCE_RANGE_WIDTH 2 /* HP_IMPEDANCE_RANGE - [10:9] */
#define ARIZONA_HP_STEP_SIZE 0x0100 /* HP_STEP_SIZE */
#define ARIZONA_HP_STEP_SIZE_MASK 0x0100 /* HP_STEP_SIZE */
#define ARIZONA_HP_STEP_SIZE_SHIFT 8 /* HP_STEP_SIZE */
@@ -2070,6 +2074,14 @@
#define ARIZONA_HP_LVL_SHIFT 0 /* HP_LVL - [6:0] */
#define ARIZONA_HP_LVL_WIDTH 7 /* HP_LVL - [6:0] */
+#define ARIZONA_HP_DONE_B 0x8000 /* HP_DONE */
+#define ARIZONA_HP_DONE_B_MASK 0x8000 /* HP_DONE */
+#define ARIZONA_HP_DONE_B_SHIFT 15 /* HP_DONE */
+#define ARIZONA_HP_DONE_B_WIDTH 1 /* HP_DONE */
+#define ARIZONA_HP_LVL_B_MASK 0x7FFF /* HP_LVL - [14:0] */
+#define ARIZONA_HP_LVL_B_SHIFT 0 /* HP_LVL - [14:0] */
+#define ARIZONA_HP_LVL_B_WIDTH 15 /* HP_LVL - [14:0] */
+
/*
* R674 (0x2A2) - MICD clamp control
*/