FM / asm-generic

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/asm-generic/

/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/asm-generic

Name	Size	Mode	Actions
bitops/	-	0755	rm
vdso/	-	0755	rm
4level-fixup.h	1098	0644	edit dl rm
5level-fixup.h	1273	0644	edit dl rm
asm-offsets.h	35	0644	edit dl rm
asm-prototypes.h	507	0644	edit dl rm
atomic-instrumented.h	13623	0644	edit dl rm
atomic-long.h	8048	0644	edit dl rm
atomic.h	4391	0644	edit dl rm
atomic64.h	1797	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	6868	0644	edit dl rm
bitops-instrumented.h	7909	0644	edit dl rm
bitops.h	1119	0644	edit dl rm
bitsperlong.h	592	0644	edit dl rm
bug.h	6720	0644	edit dl rm
bugs.h	267	0644	edit dl rm
cache.h	384	0644	edit dl rm
cacheflush.h	1340	0644	edit dl rm
checksum.h	2329	0644	edit dl rm
cmpxchg-local.h	1464	0644	edit dl rm
cmpxchg.h	2286	0644	edit dl rm
compat.h	658	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	7458	0644	edit dl rm
dma-contiguous.h	238	0644	edit dl rm
dma-mapping.h	248	0644	edit dl rm
dma.h	553	0644	edit dl rm
early_ioremap.h	1696	0644	edit dl rm
emergency-restart.h	248	0644	edit dl rm
error-injection.h	1178	0644	edit dl rm
exec.h	667	0644	edit dl rm
export.h	2002	0644	edit dl rm
extable.h	802	0644	edit dl rm
fb.h	271	0644	edit dl rm
fixmap.h	2904	0644	edit dl rm
ftrace.h	460	0644	edit dl rm
futex.h	2964	0644	edit dl rm
getorder.h	1487	0644	edit dl rm
gpio.h	4558	0644	edit dl rm
hardirq.h	532	0644	edit dl rm
hugetlb.h	1326	0644	edit dl rm
hw_irq.h	270	0644	edit dl rm
hyperv-tlfs.h	20696	0644	edit dl rm
ide_iops.h	791	0644	edit dl rm
int-ll64.h	863	0644	edit dl rm
io.h	24167	0644	edit dl rm
ioctl.h	506	0644	edit dl rm
iomap.h	4033	0644	edit dl rm
irq.h	403	0644	edit dl rm
irqflags.h	1543	0644	edit dl rm
irq_regs.h	980	0644	edit dl rm
irq_work.h	194	0644	edit dl rm
kdebug.h	182	0644	edit dl rm
kmap_size.h	263	0644	edit dl rm
kprobes.h	868	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
mcs_spinlock.h	260	0644	edit dl rm
memory_model.h	2209	0644	edit dl rm
mm-arch-hooks.h	388	0644	edit dl rm
mmiowb.h	1731	0644	edit dl rm
mmiowb_types.h	249	0644	edit dl rm
mmu.h	449	0644	edit dl rm
mmu_context.h	881	0644	edit dl rm
mm_hooks.h	854	0644	edit dl rm
module.h	1118	0644	edit dl rm
mshyperv.h	8592	0644	edit dl rm
msi.h	1053	0644	edit dl rm
numa.h	1544	0644	edit dl rm
page.h	2454	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	1775	0644	edit dl rm
percpu.h	13026	0644	edit dl rm
pgalloc.h	342	0644	edit dl rm
pgtable-nop4d-hack.h	1965	0644	edit dl rm
pgtable-nop4d.h	1772	0644	edit dl rm
pgtable-nopmd.h	1944	0644	edit dl rm
pgtable-nopud.h	2071	0644	edit dl rm
pgtable.h	33765	0644	edit dl rm
pgtable_uffd.h	1052	0644	edit dl rm
preempt.h	1994	0644	edit dl rm
ptrace.h	1615	0644	edit dl rm
qrwlock.h	4315	0644	edit dl rm
qrwlock_types.h	682	0644	edit dl rm
qspinlock.h	3816	0644	edit dl rm
qspinlock_types.h	2590	0644	edit dl rm
resource.h	1100	0644	edit dl rm
seccomp.h	1328	0644	edit dl rm
sections.h	5306	0644	edit dl rm
segment.h	249	0644	edit dl rm
serial.h	345	0644	edit dl rm
set_memory.h	362	0644	edit dl rm
signal.h	308	0644	edit dl rm
simd.h	436	0644	edit dl rm
sizes.h	78	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	962	0644	edit dl rm
syscall.h	6389	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	22153	0644	edit dl rm
tlbflush.h	485	0644	edit dl rm
topology.h	2234	0644	edit dl rm
trace_clock.h	391	0644	edit dl rm
uaccess.h	5272	0644	edit dl rm
unaligned.h	1078	0644	edit dl rm
unistd.h	318	0644	edit dl rm
user.h	242	0644	edit dl rm
vga.h	587	0644	edit dl rm
vmlinux.lds.h	28848	0644	edit dl rm
vtime.h	52	0644	edit dl rm
word-at-a-time.h	2817	0644	edit dl rm
xor.h	13961	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/include/asm-generic/gpio.h (4558B)

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

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/of.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 */

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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