X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fadc.h;h=0d1a666908f28fa83f25bc4412ce6144b4a9a72d;hb=5fac11e6d5ab350429b8c8ddf47d3d3877ca89d1;hp=4b1401784983b5da17603657b1ad67c6b4c35353;hpb=5decbf53006c8e2aed8e5506b3961810c1544b3c;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/adc.h b/include/adc.h
index 4b14017..0d1a666 100644
--- a/include/adc.h
+++ b/include/adc.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2015 Samsung Electronics
  * Przemyslaw Marczak <p.marczak@samsung.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _ADC_H_
@@ -41,7 +40,7 @@ struct adc_channel {
 };
 
 /**
- * struct adc_uclass_platdata - basic ADC info
+ * struct adc_uclass_plat - basic ADC info
  *
  * Note: The positive/negative reference Voltage is only a name and it doesn't
  * provide an information about the value polarity. It is possible, for both
@@ -72,7 +71,7 @@ struct adc_channel {
  * @vdd_microvolts         - positive reference Voltage value
  * @vss_microvolts         - negative reference Voltage value
  */
-struct adc_uclass_platdata {
+struct adc_uclass_plat {
 	int data_format;
 	unsigned int data_mask;
 	unsigned int data_timeout_us;
@@ -220,6 +219,17 @@ int adc_channels_data(struct udevice *dev, unsigned int channel_mask,
 int adc_data_mask(struct udevice *dev, unsigned int *data_mask);
 
 /**
+ * adc_channel_mask() - get channel mask for given ADC device
+ *
+ * This can be used if adc uclass platform data is filled.
+ *
+ * @dev:       ADC device to check
+ * @channel_mask: pointer to the returned channel bitmask
+ * @return: 0 if OK, -ve on error
+ */
+int adc_channel_mask(struct udevice *dev, unsigned int *channel_mask);
+
+/**
  * adc_channel_single_shot() - get output data of conversion for the ADC
  * device's channel. This function searches for the device with the given name,
  * starts the given channel conversion and returns the output data.
@@ -285,4 +295,14 @@ int adc_vss_value(struct udevice *dev, int *uV);
  */
 int adc_stop(struct udevice *dev);
 
+/**
+ * adc_raw_to_uV() - converts raw value to microvolts for given ADC device.
+ *
+ * @dev:     ADC device used from conversion
+ * @raw:     raw value to convert
+ * @uV:	     converted value in microvolts
+ * @return:  0 on success or -ve on error
+ */
+int adc_raw_to_uV(struct udevice *dev, unsigned int raw, int *uV);
+
 #endif