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Subject[PATCH RESEND 1/5] mfd: arizona: Add registers for ADC microphone detection
Date
The newer devices support using a software comparison to determine
whether a 3/4 pole jack is present. Add the registers necessary for
this.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
---
drivers/mfd/wm5110-tables.c | 2 ++
include/dt-bindings/mfd/arizona.h | 2 ++
include/linux/mfd/arizona/pdata.h | 3 +++
include/linux/mfd/arizona/registers.h | 17 ++++++++++++++---
4 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 12cad94..dd27872 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -1807,6 +1807,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_MIC_DETECT_1:
case ARIZONA_MIC_DETECT_2:
case ARIZONA_MIC_DETECT_3:
+ case ARIZONA_MIC_DETECT_4:
case ARIZONA_MIC_DETECT_LEVEL_1:
case ARIZONA_MIC_DETECT_LEVEL_2:
case ARIZONA_MIC_DETECT_LEVEL_3:
@@ -2843,6 +2844,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
case ARIZONA_ASYNC_SAMPLE_RATE_1_STATUS:
case ARIZONA_ASYNC_SAMPLE_RATE_2_STATUS:
case ARIZONA_MIC_DETECT_3:
+ case ARIZONA_MIC_DETECT_4:
case ARIZONA_HP_CTRL_1L:
case ARIZONA_HP_CTRL_1R:
case ARIZONA_HEADPHONE_DETECT_2:
diff --git a/include/dt-bindings/mfd/arizona.h b/include/dt-bindings/mfd/arizona.h
index 7b2000c..c40f665 100644
--- a/include/dt-bindings/mfd/arizona.h
+++ b/include/dt-bindings/mfd/arizona.h
@@ -107,5 +107,7 @@
#define ARIZONA_ACCDET_MODE_MIC 0
#define ARIZONA_ACCDET_MODE_HPL 1
#define ARIZONA_ACCDET_MODE_HPR 2
+#define ARIZONA_ACCDET_MODE_HPM 4
+#define ARIZONA_ACCDET_MODE_ADC 7

#endif
diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h
index 43db4fa..f030a32 100644
--- a/include/linux/mfd/arizona/pdata.h
+++ b/include/linux/mfd/arizona/pdata.h
@@ -124,6 +124,9 @@ struct arizona_pdata {
/** Channel to use for headphone detection */
unsigned int hpdet_channel;

+ /** Use software comparison to determine mic presence */
+ bool micd_software_compare;
+
/** Extra debounce timeout used during initial mic detection (ms) */
int micd_detect_debounce;

diff --git a/include/linux/mfd/arizona/registers.h b/include/linux/mfd/arizona/registers.h
index 3499d36..3f3bb2b 100644
--- a/include/linux/mfd/arizona/registers.h
+++ b/include/linux/mfd/arizona/registers.h
@@ -139,6 +139,7 @@
#define ARIZONA_MIC_DETECT_LEVEL_2 0x2A7
#define ARIZONA_MIC_DETECT_LEVEL_3 0x2A8
#define ARIZONA_MIC_DETECT_LEVEL_4 0x2A9
+#define ARIZONA_MIC_DETECT_4 0x2AB
#define ARIZONA_MIC_NOISE_MIX_CONTROL_1 0x2C3
#define ARIZONA_ISOLATION_CONTROL 0x2CB
#define ARIZONA_JACK_DETECT_ANALOGUE 0x2D3
@@ -2301,9 +2302,9 @@
#define ARIZONA_ACCDET_SRC_MASK 0x2000 /* ACCDET_SRC */
#define ARIZONA_ACCDET_SRC_SHIFT 13 /* ACCDET_SRC */
#define ARIZONA_ACCDET_SRC_WIDTH 1 /* ACCDET_SRC */
-#define ARIZONA_ACCDET_MODE_MASK 0x0003 /* ACCDET_MODE - [1:0] */
-#define ARIZONA_ACCDET_MODE_SHIFT 0 /* ACCDET_MODE - [1:0] */
-#define ARIZONA_ACCDET_MODE_WIDTH 2 /* ACCDET_MODE - [1:0] */
+#define ARIZONA_ACCDET_MODE_MASK 0x0007 /* ACCDET_MODE - [2:0] */
+#define ARIZONA_ACCDET_MODE_SHIFT 0 /* ACCDET_MODE - [2:0] */
+#define ARIZONA_ACCDET_MODE_WIDTH 3 /* ACCDET_MODE - [2:0] */

/*
* R667 (0x29B) - Headphone Detect 1
@@ -2413,6 +2414,16 @@
#define ARIZONA_MICD_STS_WIDTH 1 /* MICD_STS */

/*
+ * R683 (0x2AB) - Mic Detect 4
+ */
+#define ARIZONA_MICDET_ADCVAL_DIFF_MASK 0xFF00 /* MICDET_ADCVAL_DIFF - [15:8] */
+#define ARIZONA_MICDET_ADCVAL_DIFF_SHIFT 8 /* MICDET_ADCVAL_DIFF - [15:8] */
+#define ARIZONA_MICDET_ADCVAL_DIFF_WIDTH 8 /* MICDET_ADCVAL_DIFF - [15:8] */
+#define ARIZONA_MICDET_ADCVAL_MASK 0x007F /* MICDET_ADCVAL - [15:8] */
+#define ARIZONA_MICDET_ADCVAL_SHIFT 0 /* MICDET_ADCVAL - [15:8] */
+#define ARIZONA_MICDET_ADCVAL_WIDTH 7 /* MICDET_ADCVAL - [15:8] */
+
+/*
* R707 (0x2C3) - Mic noise mix control 1
*/
#define ARIZONA_MICMUTE_RATE_MASK 0x7800 /* MICMUTE_RATE - [14:11] */
--
1.7.2.5


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