From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/tools/gpio/gpio-utils.h | 52 ++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 44 insertions(+), 8 deletions(-)
diff --git a/kernel/tools/gpio/gpio-utils.h b/kernel/tools/gpio/gpio-utils.h
index 344ea04..6c69a9f 100644
--- a/kernel/tools/gpio/gpio-utils.h
+++ b/kernel/tools/gpio/gpio-utils.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* GPIO tools - utility helpers library for the GPIO tools
*
@@ -7,14 +8,13 @@
* Copyright (c) 2010 Manuel Stahl <manuel.stahl@iis.fraunhofer.de>
* Copyright (c) 2008 Jonathan Cameron
* *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
#ifndef _GPIO_UTILS_H_
#define _GPIO_UTILS_H_
+#include <stdbool.h>
#include <string.h>
+#include <linux/types.h>
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
@@ -25,19 +25,55 @@
}
int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
- unsigned int nlines, unsigned int flag,
+ unsigned int num_lines, unsigned int flag,
struct gpiohandle_data *data,
const char *consumer_label);
-int gpiotools_set_values(const int fd, struct gpiohandle_data *data);
-int gpiotools_get_values(const int fd, struct gpiohandle_data *data);
int gpiotools_release_linehandle(const int fd);
+
+int gpiotools_request_line(const char *device_name,
+ unsigned int *lines,
+ unsigned int num_lines,
+ struct gpio_v2_line_config *config,
+ const char *consumer);
+int gpiotools_set_values(const int fd, struct gpio_v2_line_values *values);
+int gpiotools_get_values(const int fd, struct gpio_v2_line_values *values);
+int gpiotools_release_line(const int fd);
int gpiotools_get(const char *device_name, unsigned int line);
int gpiotools_gets(const char *device_name, unsigned int *lines,
- unsigned int nlines, struct gpiohandle_data *data);
+ unsigned int num_lines, unsigned int *values);
int gpiotools_set(const char *device_name, unsigned int line,
unsigned int value);
int gpiotools_sets(const char *device_name, unsigned int *lines,
- unsigned int nlines, struct gpiohandle_data *data);
+ unsigned int num_lines, unsigned int *values);
+
+/* helper functions for gpio_v2_line_values bits */
+static inline void gpiotools_set_bit(__u64 *b, int n)
+{
+ *b |= _BITULL(n);
+}
+
+static inline void gpiotools_change_bit(__u64 *b, int n)
+{
+ *b ^= _BITULL(n);
+}
+
+static inline void gpiotools_clear_bit(__u64 *b, int n)
+{
+ *b &= ~_BITULL(n);
+}
+
+static inline int gpiotools_test_bit(__u64 b, int n)
+{
+ return !!(b & _BITULL(n));
+}
+
+static inline void gpiotools_assign_bit(__u64 *b, int n, bool value)
+{
+ if (value)
+ gpiotools_set_bit(b, n);
+ else
+ gpiotools_clear_bit(b, n);
+}
#endif /* _GPIO_UTILS_H_ */
--
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