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authorTakashi Iwai <tiwai@suse.de>2013-08-15 20:43:46 +0200
committerTakashi Iwai <tiwai@suse.de>2013-08-15 20:43:46 +0200
commitf85a6597a6ce33fe4f390744b2764b30aa7bfda8 (patch)
tree9b923afc20e7d3a7e78f98d600fd7e6633b4265b /include/linux/mfd/ti_am335x_tscadc.h
parent140d37de62ffe8405282a1d6498f3b4099006384 (diff)
parent44ffb69ec617f64cd83182e8b64d93b84758d636 (diff)
Merge tag 'asoc-v3.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.11 A few driver specific fixes here plus one core fix for a memory corruption issue in DAPM initialisation which could lead to crashes.
Diffstat (limited to 'include/linux/mfd/ti_am335x_tscadc.h')
-rw-r--r--include/linux/mfd/ti_am335x_tscadc.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index 8d73fe29796..db1791bb997 100644
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -113,11 +113,27 @@
#define CNTRLREG_8WIRE CNTRLREG_AFE_CTRL(3)
#define CNTRLREG_TSCENB BIT(7)
+/* FIFO READ Register */
+#define FIFOREAD_DATA_MASK (0xfff << 0)
+#define FIFOREAD_CHNLID_MASK (0xf << 16)
+
+/* Sequencer Status */
+#define SEQ_STATUS BIT(5)
+
#define ADC_CLK 3000000
#define MAX_CLK_DIV 7
#define TOTAL_STEPS 16
#define TOTAL_CHANNELS 8
+/*
+* ADC runs at 3MHz, and it takes
+* 15 cycles to latch one data output.
+* Hence the idle time for ADC to
+* process one sample data would be
+* around 5 micro seconds.
+*/
+#define IDLE_TIMEOUT 5 /* microsec */
+
#define TSCADC_CELLS 2
struct ti_tscadc_dev {