From 297b60346df8beafee954a0fd7c2d64f33f3b9bc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:44:05 +0000
Subject: [PATCH] rtl8211F_led_control
---
kernel/drivers/gpio/gpiolib.h | 202 +++++++++++---------------------------------------
1 files changed, 44 insertions(+), 158 deletions(-)
diff --git a/kernel/drivers/gpio/gpiolib.h b/kernel/drivers/gpio/gpiolib.h
index a7e49fe..b674b5b 100644
--- a/kernel/drivers/gpio/gpiolib.h
+++ b/kernel/drivers/gpio/gpiolib.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Internal GPIO functions.
*
* Copyright (C) 2013, Intel Corporation
* Author: Mika Westerberg <mika.westerberg@linux.intel.com>
- *
- * 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 GPIOLIB_H
@@ -19,9 +16,7 @@
#include <linux/module.h>
#include <linux/cdev.h>
-enum of_gpio_flags;
-enum gpio_lookup_flags;
-struct acpi_device;
+#define GPIOCHIP_NAME "gpiochip"
/**
* struct gpio_device - internal state container for GPIO devices
@@ -61,6 +56,7 @@
const char *label;
void *data;
struct list_head list;
+ struct blocking_notifier_head notifier;
#ifdef CONFIG_PINCTRL
/*
@@ -73,133 +69,31 @@
#endif
};
-/**
- * struct acpi_gpio_info - ACPI GPIO specific information
- * @adev: reference to ACPI device which consumes GPIO resource
- * @flags: GPIO initialization flags
- * @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
- * @polarity: interrupt polarity as provided by ACPI
- * @triggering: triggering type as provided by ACPI
- * @quirks: Linux specific quirks as provided by struct acpi_gpio_mapping
- */
-struct acpi_gpio_info {
- struct acpi_device *adev;
- enum gpiod_flags flags;
- bool gpioint;
- int polarity;
- int triggering;
- unsigned int quirks;
-};
-
/* gpio suffixes used for ACPI and device tree lookup */
static __maybe_unused const char * const gpio_suffixes[] = { "gpios", "gpio" };
-#ifdef CONFIG_OF_GPIO
-struct gpio_desc *of_find_gpio(struct device *dev,
- const char *con_id,
- unsigned int idx,
- enum gpio_lookup_flags *flags);
-struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
- const char *list_name, int index, enum of_gpio_flags *flags);
-int of_gpiochip_add(struct gpio_chip *gc);
-void of_gpiochip_remove(struct gpio_chip *gc);
-#else
-static inline struct gpio_desc *of_find_gpio(struct device *dev,
- const char *con_id,
- unsigned int idx,
- enum gpio_lookup_flags *flags)
-{
- return ERR_PTR(-ENOENT);
-}
-static inline struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
- const char *list_name, int index, enum of_gpio_flags *flags)
-{
- return ERR_PTR(-ENOENT);
-}
-static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
-static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
-#endif /* CONFIG_OF_GPIO */
+struct gpio_array {
+ struct gpio_desc **desc;
+ unsigned int size;
+ struct gpio_chip *chip;
+ unsigned long *get_mask;
+ unsigned long *set_mask;
+ unsigned long invert_mask[];
+};
-#ifdef CONFIG_ACPI
-void acpi_gpiochip_add(struct gpio_chip *chip);
-void acpi_gpiochip_remove(struct gpio_chip *chip);
-
-void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
-void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
-
-int acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags,
- struct acpi_gpio_info *info);
-
-struct gpio_desc *acpi_find_gpio(struct device *dev,
- const char *con_id,
- unsigned int idx,
- enum gpiod_flags *dflags,
- enum gpio_lookup_flags *lookupflags);
-struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode,
- const char *propname, int index,
- struct acpi_gpio_info *info);
-
-int acpi_gpio_count(struct device *dev, const char *con_id);
-
-bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id);
-#else
-static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
-static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
-
-static inline void
-acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
-
-static inline void
-acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
-
-static inline int
-acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags, struct acpi_gpio_info *info)
-{
- return 0;
-}
-
-static inline struct gpio_desc *
-acpi_find_gpio(struct device *dev, const char *con_id,
- unsigned int idx, enum gpiod_flags *dflags,
- enum gpio_lookup_flags *lookupflags)
-{
- return ERR_PTR(-ENOENT);
-}
-static inline struct gpio_desc *
-acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname,
- int index, struct acpi_gpio_info *info)
-{
- return ERR_PTR(-ENXIO);
-}
-static inline int acpi_gpio_count(struct device *dev, const char *con_id)
-{
- return -ENODEV;
-}
-
-static inline bool acpi_can_fallback_to_crs(struct acpi_device *adev,
- const char *con_id)
-{
- return false;
-}
-#endif
-
-struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, u16 hwnum);
+struct gpio_desc *gpiochip_get_desc(struct gpio_chip *gc, unsigned int hwnum);
int gpiod_get_array_value_complex(bool raw, bool can_sleep,
unsigned int array_size,
struct gpio_desc **desc_array,
- int *value_array);
+ struct gpio_array *array_info,
+ unsigned long *value_bitmap);
int gpiod_set_array_value_complex(bool raw, bool can_sleep,
- unsigned int array_size,
- struct gpio_desc **desc_array,
- int *value_array);
+ unsigned int array_size,
+ struct gpio_desc **desc_array,
+ struct gpio_array *array_info,
+ unsigned long *value_bitmap);
-/* This is just passed between gpiolib and devres */
-struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label);
-
-extern struct spinlock gpio_lock;
+extern spinlock_t gpio_lock;
extern struct list_head gpio_devices;
struct gpio_desc {
@@ -214,13 +108,26 @@
#define FLAG_OPEN_DRAIN 7 /* Gpio is open drain type */
#define FLAG_OPEN_SOURCE 8 /* Gpio is open source type */
#define FLAG_USED_AS_IRQ 9 /* GPIO is connected to an IRQ */
+#define FLAG_IRQ_IS_ENABLED 10 /* GPIO is connected to an enabled IRQ */
#define FLAG_IS_HOGGED 11 /* GPIO is hogged */
#define FLAG_TRANSITORY 12 /* GPIO may lose value in sleep or reset */
+#define FLAG_PULL_UP 13 /* GPIO has pull up enabled */
+#define FLAG_PULL_DOWN 14 /* GPIO has pull down enabled */
+#define FLAG_BIAS_DISABLE 15 /* GPIO has pull disabled */
+#define FLAG_EDGE_RISING 16 /* GPIO CDEV detects rising edge events */
+#define FLAG_EDGE_FALLING 17 /* GPIO CDEV detects falling edge events */
/* Connection label */
const char *label;
/* Name of the GPIO */
const char *name;
+#ifdef CONFIG_OF_DYNAMIC
+ struct device_node *hog;
+#endif
+#ifdef CONFIG_GPIO_CDEV
+ /* debounce period in microseconds */
+ unsigned int debounce_period_us;
+#endif
};
int gpiod_request(struct gpio_desc *desc, const char *label);
@@ -237,9 +144,6 @@
{
return desc - &desc->gdev->descs[0];
}
-
-void devprop_gpiochip_set_names(struct gpio_chip *chip,
- const struct fwnode_handle *fwnode);
/* With descriptor prefix */
@@ -264,35 +168,17 @@
/* With chip prefix */
-#define chip_emerg(chip, fmt, ...) \
- dev_emerg(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_crit(chip, fmt, ...) \
- dev_crit(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_err(chip, fmt, ...) \
- dev_err(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_warn(chip, fmt, ...) \
- dev_warn(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_info(chip, fmt, ...) \
- dev_info(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-#define chip_dbg(chip, fmt, ...) \
- dev_dbg(&chip->gpiodev->dev, "(%s): " fmt, chip->label, ##__VA_ARGS__)
-
-#ifdef CONFIG_GPIO_SYSFS
-
-int gpiochip_sysfs_register(struct gpio_device *gdev);
-void gpiochip_sysfs_unregister(struct gpio_device *gdev);
-
-#else
-
-static inline int gpiochip_sysfs_register(struct gpio_device *gdev)
-{
- return 0;
-}
-
-static inline void gpiochip_sysfs_unregister(struct gpio_device *gdev)
-{
-}
-
-#endif /* CONFIG_GPIO_SYSFS */
+#define chip_emerg(gc, fmt, ...) \
+ dev_emerg(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_crit(gc, fmt, ...) \
+ dev_crit(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_err(gc, fmt, ...) \
+ dev_err(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_warn(gc, fmt, ...) \
+ dev_warn(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_info(gc, fmt, ...) \
+ dev_info(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
+#define chip_dbg(gc, fmt, ...) \
+ dev_dbg(&gc->gpiodev->dev, "(%s): " fmt, gc->label, ##__VA_ARGS__)
#endif /* GPIOLIB_H */
--
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