kbd.c File Reference

#include <kernel/drivers/abstractions/kbd.h>
#include <kernel/fs/file.h>
#include <kernel/fs/sysfs.h>
#include <kernel/fs/vfs.h>
#include <kernel/sched/timer.h>
#include <kernel/sync/lock.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/io.h>
#include <sys/math.h>
#include <sys/proc.h>

Go to the source code of this file.

Functions
static uint64_t	kbd_events_read (file_t *file, void *buffer, uint64_t count, uint64_t *offset)
static wait_queue_t *	kbd_events_poll (file_t *file, poll_events_t *revents)
static uint64_t	kbd_name_read (file_t *file, void *buffer, uint64_t count, uint64_t *offset)
static void	kbd_dir_cleanup (inode_t *inode)
kbd_t *	kbd_new (const char *name)
	Allocate and initialize a keyboard structure.
void	kbd_free (kbd_t *kbd)
	Free and deinitialize a keyboard structure.
static void	kbd_update_mod (kbd_t *kbd, kbd_event_type_t type, kbd_mods_t mod)
void	kbd_push (kbd_t *kbd, kbd_event_type_t type, keycode_t code)
	Push a keyboard event to the keyboard event queue.

Variables
static dentry_t *	kbdDir = NULL
static atomic_uint64_t	newId = ATOMIC_VAR_INIT(0)
static file_ops_t	eventsOps
static file_ops_t	nameOps
static inode_ops_t	dirInodeOps

Function Documentation

kbd_dir_cleanup()

static void kbd_dir_cleanup ( inode_t *  inode )

static

Definition at line 74 of file kbd.c.

References free(), kbd, inode_t::private, wait_queue_deinit(), and kbd_t::waitQueue.

kbd_events_poll()

static wait_queue_t * kbd_events_poll ( file_t *  file, poll_events_t *  revents  )

static

Definition at line 42 of file kbd.c.

References file, dentry_t::inode, kbd, kbd_t::lock, LOCK_SCOPE, POLLIN, inode_t::private, kbd_t::waitQueue, and kbd_t::writeIndex.

kbd_events_read()

static uint64_t kbd_events_read ( file_t *  file, void *  buffer, uint64_t  count, uint64_t *  offset  )

static

Definition at line 21 of file kbd.c.

References buffer, count, ERR, kbd_t::events, file, dentry_t::inode, kbd, KBD_MAX_EVENT, kbd_t::lock, LOCK_SCOPE, inode_t::private, ROUND_DOWN, WAIT_BLOCK_LOCK, kbd_t::waitQueue, and kbd_t::writeIndex.

kbd_name_read()

static uint64_t kbd_name_read ( file_t *  file, void *  buffer, uint64_t  count, uint64_t *  offset  )

static

Definition at line 58 of file kbd.c.

References buffer, BUFFER_READ, count, file, dentry_t::inode, kbd, MAX_NAME, kbd_t::name, inode_t::private, and strnlen_s().

kbd_update_mod()

static void kbd_update_mod ( kbd_t *  kbd, kbd_event_type_t  type, kbd_mods_t  mod  )

static

Definition at line 160 of file kbd.c.

References kbd, KBD_PRESS, KBD_RELEASE, and kbd_t::mods.

Referenced by kbd_push().

Variable Documentation

dirInodeOps

inode_ops_t dirInodeOps

static

Initial value:

= {
    .cleanup = kbd_dir_cleanup,
}

Definition at line 81 of file kbd.c.

Referenced by kbd_new().

eventsOps

file_ops_t eventsOps

static

Initial value:

= {
    .read = kbd_events_read,
    .poll = kbd_events_poll,
}

Definition at line 53 of file kbd.c.

Referenced by kbd_new().

kbdDir

dentry_t* kbdDir = NULL

static

Definition at line 17 of file kbd.c.

Referenced by kbd_new().

nameOps

file_ops_t nameOps

static

Initial value:

= {
    .read = kbd_name_read,
}

Definition at line 70 of file kbd.c.

Referenced by kbd_new().

newId

atomic_uint64_t newId = ATOMIC_VAR_INIT(0)

static

Definition at line 19 of file kbd.c.

Referenced by kbd_new().