FM / asm-generic

/usr/src/linux-headers-5.15.0-181/include/asm-generic/

/usr/src/linux-headers-5.15.0-181/include/asm-generic

Name	Size	Mode	Actions
bitops/	-	0755	rm
vdso/	-	0755	rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	507	0644	edit dl rm
atomic.h	3569	0644	edit dl rm
atomic64.h	2549	0644	edit dl rm
audit_change_attr.h	484	0644	edit dl rm
audit_dir_write.h	528	0644	edit dl rm
audit_read.h	241	0644	edit dl rm
audit_signal.h	36	0644	edit dl rm
audit_write.h	461	0644	edit dl rm
barrier.h	6518	0644	edit dl rm
bitops.h	1197	0644	edit dl rm
bitsperlong.h	1207	0644	edit dl rm
bug.h	6939	0644	edit dl rm
cache.h	384	0644	edit dl rm
cacheflush.h	2401	0644	edit dl rm
checksum.h	1634	0644	edit dl rm
cmpxchg-local.h	1464	0644	edit dl rm
cmpxchg.h	2440	0644	edit dl rm
compat.h	1190	0644	edit dl rm
current.h	256	0644	edit dl rm
delay.h	1157	0644	edit dl rm
device.h	245	0644	edit dl rm
div64.h	7437	0644	edit dl rm
dma-mapping.h	248	0644	edit dl rm
dma.h	553	0644	edit dl rm
early_ioremap.h	1501	0644	edit dl rm
emergency-restart.h	248	0644	edit dl rm
error-injection.h	1162	0644	edit dl rm
exec.h	460	0644	edit dl rm
export.h	2344	0644	edit dl rm
extable.h	802	0644	edit dl rm
fb.h	271	0644	edit dl rm
fixmap.h	2932	0644	edit dl rm
flat.h	610	0644	edit dl rm
ftrace.h	314	0644	edit dl rm
futex.h	2669	0644	edit dl rm
getorder.h	1262	0644	edit dl rm
gpio.h	4537	0644	edit dl rm
hardirq.h	568	0644	edit dl rm
hugetlb.h	3030	0644	edit dl rm
hw_irq.h	270	0644	edit dl rm
hyperv-tlfs.h	19828	0644	edit dl rm
ide_iops.h	791	0644	edit dl rm
int-ll64.h	863	0644	edit dl rm
io.h	23436	0644	edit dl rm
ioctl.h	506	0644	edit dl rm
iomap.h	4019	0644	edit dl rm
irq.h	403	0644	edit dl rm
irqflags.h	1543	0644	edit dl rm
irq_regs.h	773	0644	edit dl rm
irq_work.h	194	0644	edit dl rm
Kbuild	1643	0644	edit dl rm
kdebug.h	182	0644	edit dl rm
kmap_size.h	263	0644	edit dl rm
kprobes.h	833	0644	edit dl rm
kvm_para.h	549	0644	edit dl rm
kvm_types.h	113	0644	edit dl rm
linkage.h	225	0644	edit dl rm
local.h	2282	0644	edit dl rm
local64.h	3887	0644	edit dl rm
logic_io.h	2402	0644	edit dl rm
mcs_spinlock.h	260	0644	edit dl rm
memory_model.h	1441	0644	edit dl rm
mmiowb.h	1764	0644	edit dl rm
mmiowb_types.h	249	0644	edit dl rm
mmu.h	449	0644	edit dl rm
mmu_context.h	1654	0644	edit dl rm
mm_hooks.h	753	0644	edit dl rm
module.h	1118	0644	edit dl rm
module.lds.h	278	0644	edit dl rm
mshyperv.h	7727	0644	edit dl rm
msi.h	1053	0644	edit dl rm
nommu_context.h	420	0644	edit dl rm
numa.h	1642	0644	edit dl rm
page.h	2351	0644	edit dl rm
param.h	367	0644	edit dl rm
parport.h	604	0644	edit dl rm
pci.h	401	0644	edit dl rm
pci_iomap.h	1920	0644	edit dl rm
percpu.h	12957	0644	edit dl rm
pgalloc.h	4747	0644	edit dl rm
pgtable-nop4d.h	1758	0644	edit dl rm
pgtable-nopmd.h	1980	0644	edit dl rm
pgtable-nopud.h	1995	0644	edit dl rm
pgtable_uffd.h	1052	0644	edit dl rm
preempt.h	1995	0644	edit dl rm
qrwlock.h	3859	0644	edit dl rm
qrwlock_types.h	682	0644	edit dl rm
qspinlock.h	3354	0644	edit dl rm
qspinlock_types.h	2134	0644	edit dl rm
resource.h	1100	0644	edit dl rm
rwonce.h	2932	0644	edit dl rm
seccomp.h	1187	0644	edit dl rm
sections.h	6104	0644	edit dl rm
serial.h	345	0644	edit dl rm
set_memory.h	362	0644	edit dl rm
shmparam.h	207	0644	edit dl rm
signal.h	308	0644	edit dl rm
simd.h	436	0644	edit dl rm
softirq_stack.h	286	0644	edit dl rm
spinlock.h	329	0644	edit dl rm
statfs.h	169	0644	edit dl rm
string.h	281	0644	edit dl rm
switch_to.h	755	0644	edit dl rm
syscall.h	5735	0644	edit dl rm
syscalls.h	739	0644	edit dl rm
termios-base.h	2164	0644	edit dl rm
termios.h	2877	0644	edit dl rm
timex.h	508	0644	edit dl rm
tlb.h	19264	0644	edit dl rm
tlbflush.h	485	0644	edit dl rm
topology.h	2219	0644	edit dl rm
trace_clock.h	391	0644	edit dl rm
uaccess.h	6508	0644	edit dl rm
unaligned.h	2886	0644	edit dl rm
user.h	242	0644	edit dl rm
vermagic.h	179	0644	edit dl rm
vga.h	587	0644	edit dl rm
vmlinux.lds.h	32881	0644	edit dl rm
vtime.h	52	0644	edit dl rm
word-at-a-time.h	2826	0644	edit dl rm
xor.h	13560	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/include/asm-generic/gpio.h (4537B)

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_GPIO_H
#define _ASM_GENERIC_GPIO_H

#include <linux/types.h>
#include <linux/errno.h>

#ifdef CONFIG_GPIOLIB

#include <linux/compiler.h>
#include <linux/gpio/driver.h>
#include <linux/gpio/consumer.h>

/* Platforms may implement their GPIO interface with library code,
 * at a small performance cost for non-inlined operations and some
 * extra memory (for code and for per-GPIO table entries).
 *
 * While the GPIO programming interface defines valid GPIO numbers
 * to be in the range 0..MAX_INT, this library restricts them to the
 * smaller range 0..ARCH_NR_GPIOS-1.
 *
 * ARCH_NR_GPIOS is somewhat arbitrary; it usually reflects the sum of
 * builtin/SoC GPIOs plus a number of GPIOs on expanders; the latter is
 * actually an estimate of a board-specific value.
 */

#ifndef ARCH_NR_GPIOS
#if defined(CONFIG_ARCH_NR_GPIO) && CONFIG_ARCH_NR_GPIO > 0
#define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO
#else
#define ARCH_NR_GPIOS		512
#endif
#endif

/*
 * "valid" GPIO numbers are nonnegative and may be passed to
 * setup routines like gpio_request().  only some valid numbers
 * can successfully be requested and used.
 *
 * Invalid GPIO numbers are useful for indicating no-such-GPIO in
 * platform data and other tables.
 */

static inline bool gpio_is_valid(int number)
{
	return number >= 0 && number < ARCH_NR_GPIOS;
}

struct device;
struct gpio;
struct seq_file;
struct module;
struct device_node;
struct gpio_desc;

/* caller holds gpio_lock *OR* gpio is marked as requested */
static inline struct gpio_chip *gpio_to_chip(unsigned gpio)
{
	return gpiod_to_chip(gpio_to_desc(gpio));
}

/* Always use the library code for GPIO management calls,
 * or when sleeping may be involved.
 */
extern int gpio_request(unsigned gpio, const char *label);
extern void gpio_free(unsigned gpio);

static inline int gpio_direction_input(unsigned gpio)
{
	return gpiod_direction_input(gpio_to_desc(gpio));
}
static inline int gpio_direction_output(unsigned gpio, int value)
{
	return gpiod_direction_output_raw(gpio_to_desc(gpio), value);
}

static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
{
	return gpiod_set_debounce(gpio_to_desc(gpio), debounce);
}

static inline int gpio_get_value_cansleep(unsigned gpio)
{
	return gpiod_get_raw_value_cansleep(gpio_to_desc(gpio));
}
static inline void gpio_set_value_cansleep(unsigned gpio, int value)
{
	return gpiod_set_raw_value_cansleep(gpio_to_desc(gpio), value);
}

/* A platform's <asm/gpio.h> code may want to inline the I/O calls when
 * the GPIO is constant and refers to some always-present controller,
 * giving direct access to chip registers and tight bitbanging loops.
 */
static inline int __gpio_get_value(unsigned gpio)
{
	return gpiod_get_raw_value(gpio_to_desc(gpio));
}
static inline void __gpio_set_value(unsigned gpio, int value)
{
	return gpiod_set_raw_value(gpio_to_desc(gpio), value);
}

static inline int __gpio_cansleep(unsigned gpio)
{
	return gpiod_cansleep(gpio_to_desc(gpio));
}

static inline int __gpio_to_irq(unsigned gpio)
{
	return gpiod_to_irq(gpio_to_desc(gpio));
}

extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
extern int gpio_request_array(const struct gpio *array, size_t num);
extern void gpio_free_array(const struct gpio *array, size_t num);

/*
 * A sysfs interface can be exported by individual drivers if they want,
 * but more typically is configured entirely from userspace.
 */
static inline int gpio_export(unsigned gpio, bool direction_may_change)
{
	return gpiod_export(gpio_to_desc(gpio), direction_may_change);
}

static inline int gpio_export_link(struct device *dev, const char *name,
				   unsigned gpio)
{
	return gpiod_export_link(dev, name, gpio_to_desc(gpio));
}

static inline void gpio_unexport(unsigned gpio)
{
	gpiod_unexport(gpio_to_desc(gpio));
}

#else	/* !CONFIG_GPIOLIB */

#include <linux/kernel.h>

static inline bool gpio_is_valid(int number)
{
	/* only non-negative numbers are valid */
	return number >= 0;
}

/* platforms that don't directly support access to GPIOs through I2C, SPI,
 * or other blocking infrastructure can use these wrappers.
 */

static inline int gpio_cansleep(unsigned gpio)
{
	return 0;
}

static inline int gpio_get_value_cansleep(unsigned gpio)
{
	might_sleep();
	return __gpio_get_value(gpio);
}

static inline void gpio_set_value_cansleep(unsigned gpio, int value)
{
	might_sleep();
	__gpio_set_value(gpio, value);
}

#endif /* !CONFIG_GPIOLIB */

#endif /* _ASM_GENERIC_GPIO_H */

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