[v15,05/13] counter: Move counter enums to uapi header

Commit Message

William Breathitt Gray Aug. 9, 2021, 12:37 p.m. UTC

This is in preparation for a subsequent patch implementing a character
device interface for the Counter subsystem.

Reviewed-by: David Lechner <[e-mail]>
Signed-off-by: William Breathitt Gray <[e-mail]>
---
 MAINTAINERS                  |  1 +
 include/linux/counter.h      | 42 +--------------------------
 include/uapi/linux/counter.h | 56 ++++++++++++++++++++++++++++++++++++
 3 files changed, 58 insertions(+), 41 deletions(-)
 create mode 100644 include/uapi/linux/counter.h

Patch

diff --git a/MAINTAINERS b/MAINTAINERS
index 5d3f7e05a588..cef0f840e142 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4764,6 +4764,7 @@  F:	Documentation/ABI/testing/sysfs-bus-counter
 F:	Documentation/driver-api/generic-counter.rst
 F:	drivers/counter/
 F:	include/linux/counter.h
+F:	include/uapi/linux/counter.h
 
 CP2615 I2C DRIVER
 M:	Bence Csókás <[e-mail]>
diff --git a/include/linux/counter.h b/include/linux/counter.h
index 445f22d8bfe2..7c9f7e23953a 100644
--- a/include/linux/counter.h
+++ b/include/linux/counter.h
@@ -9,6 +9,7 @@ 
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
+#include <uapi/linux/counter.h>
 
 struct counter_device;
 struct counter_count;
@@ -27,47 +28,6 @@  enum counter_comp_type {
 	COUNTER_COMP_COUNT_MODE,
 };
 
-enum counter_scope {
-	COUNTER_SCOPE_DEVICE,
-	COUNTER_SCOPE_SIGNAL,
-	COUNTER_SCOPE_COUNT,
-};
-
-enum counter_count_direction {
-	COUNTER_COUNT_DIRECTION_FORWARD,
-	COUNTER_COUNT_DIRECTION_BACKWARD,
-};
-
-enum counter_count_mode {
-	COUNTER_COUNT_MODE_NORMAL,
-	COUNTER_COUNT_MODE_RANGE_LIMIT,
-	COUNTER_COUNT_MODE_NON_RECYCLE,
-	COUNTER_COUNT_MODE_MODULO_N,
-};
-
-enum counter_function {
-	COUNTER_FUNCTION_INCREASE,
-	COUNTER_FUNCTION_DECREASE,
-	COUNTER_FUNCTION_PULSE_DIRECTION,
-	COUNTER_FUNCTION_QUADRATURE_X1_A,
-	COUNTER_FUNCTION_QUADRATURE_X1_B,
-	COUNTER_FUNCTION_QUADRATURE_X2_A,
-	COUNTER_FUNCTION_QUADRATURE_X2_B,
-	COUNTER_FUNCTION_QUADRATURE_X4,
-};
-
-enum counter_signal_level {
-	COUNTER_SIGNAL_LEVEL_LOW,
-	COUNTER_SIGNAL_LEVEL_HIGH,
-};
-
-enum counter_synapse_action {
-	COUNTER_SYNAPSE_ACTION_NONE,
-	COUNTER_SYNAPSE_ACTION_RISING_EDGE,
-	COUNTER_SYNAPSE_ACTION_FALLING_EDGE,
-	COUNTER_SYNAPSE_ACTION_BOTH_EDGES,
-};
-
 /**
  * struct counter_comp - Counter component node
  * @type:		Counter component data type
diff --git a/include/uapi/linux/counter.h b/include/uapi/linux/counter.h
new file mode 100644
index 000000000000..6113938a6044
--- /dev/null
+++ b/include/uapi/linux/counter.h
@@ -0,0 +1,56 @@ 
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Userspace ABI for Counter character devices
+ * Copyright (C) 2020 William Breathitt Gray
+ */
+#ifndef _UAPI_COUNTER_H_
+#define _UAPI_COUNTER_H_
+
+/* Component scope definitions */
+enum counter_scope {
+	COUNTER_SCOPE_DEVICE,
+	COUNTER_SCOPE_SIGNAL,
+	COUNTER_SCOPE_COUNT,
+};
+
+/* Count direction values */
+enum counter_count_direction {
+	COUNTER_COUNT_DIRECTION_FORWARD,
+	COUNTER_COUNT_DIRECTION_BACKWARD,
+};
+
+/* Count mode values */
+enum counter_count_mode {
+	COUNTER_COUNT_MODE_NORMAL,
+	COUNTER_COUNT_MODE_RANGE_LIMIT,
+	COUNTER_COUNT_MODE_NON_RECYCLE,
+	COUNTER_COUNT_MODE_MODULO_N,
+};
+
+/* Count function values */
+enum counter_function {
+	COUNTER_FUNCTION_INCREASE,
+	COUNTER_FUNCTION_DECREASE,
+	COUNTER_FUNCTION_PULSE_DIRECTION,
+	COUNTER_FUNCTION_QUADRATURE_X1_A,
+	COUNTER_FUNCTION_QUADRATURE_X1_B,
+	COUNTER_FUNCTION_QUADRATURE_X2_A,
+	COUNTER_FUNCTION_QUADRATURE_X2_B,
+	COUNTER_FUNCTION_QUADRATURE_X4,
+};
+
+/* Signal values */
+enum counter_signal_level {
+	COUNTER_SIGNAL_LEVEL_LOW,
+	COUNTER_SIGNAL_LEVEL_HIGH,
+};
+
+/* Action mode values */
+enum counter_synapse_action {
+	COUNTER_SYNAPSE_ACTION_NONE,
+	COUNTER_SYNAPSE_ACTION_RISING_EDGE,
+	COUNTER_SYNAPSE_ACTION_FALLING_EDGE,
+	COUNTER_SYNAPSE_ACTION_BOTH_EDGES,
+};
+
+#endif /* _UAPI_COUNTER_H_ */