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Diffstat (limited to 'src/udev/udev-builtin-keyboard.c')
-rw-r--r--src/udev/udev-builtin-keyboard.c277
1 files changed, 0 insertions, 277 deletions
diff --git a/src/udev/udev-builtin-keyboard.c b/src/udev/udev-builtin-keyboard.c
deleted file mode 100644
index 09024116f2..0000000000
--- a/src/udev/udev-builtin-keyboard.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2013 Kay Sievers <kay@vrfy.org>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <linux/input.h>
-
-#include "fd-util.h"
-#include "parse-util.h"
-#include "stdio-util.h"
-#include "string-util.h"
-#include "udev.h"
-
-static const struct key *keyboard_lookup_key(const char *str, GPERF_LEN_TYPE len);
-#include "keyboard-keys-from-name.h"
-
-static int install_force_release(struct udev_device *dev, const unsigned *release, unsigned release_count) {
- struct udev_device *atkbd;
- const char *cur;
- char codes[4096];
- char *s;
- size_t l;
- unsigned i;
- int ret;
-
- assert(dev);
- assert(release);
-
- atkbd = udev_device_get_parent_with_subsystem_devtype(dev, "serio", NULL);
- if (!atkbd)
- return -ENODEV;
-
- cur = udev_device_get_sysattr_value(atkbd, "force_release");
- if (!cur)
- return -ENODEV;
-
- s = codes;
- l = sizeof(codes);
-
- /* copy current content */
- l = strpcpy(&s, l, cur);
-
- /* append new codes */
- for (i = 0; i < release_count; i++)
- l = strpcpyf(&s, l, ",%u", release[i]);
-
- log_debug("keyboard: updating force-release list with '%s'", codes);
- ret = udev_device_set_sysattr_value(atkbd, "force_release", codes);
- if (ret < 0)
- log_error_errno(ret, "Error writing force-release attribute: %m");
- return ret;
-}
-
-static void map_keycode(int fd, const char *devnode, int scancode, const char *keycode)
-{
- struct {
- unsigned scan;
- unsigned key;
- } map;
- char *endptr;
- const struct key *k;
- unsigned keycode_num;
-
- /* translate identifier to key code */
- k = keyboard_lookup_key(keycode, strlen(keycode));
- if (k) {
- keycode_num = k->id;
- } else {
- /* check if it's a numeric code already */
- keycode_num = strtoul(keycode, &endptr, 0);
- if (endptr[0] !='\0') {
- log_error("Unknown key identifier '%s'", keycode);
- return;
- }
- }
-
- map.scan = scancode;
- map.key = keycode_num;
-
- log_debug("keyboard: mapping scan code %d (0x%x) to key code %d (0x%x)",
- map.scan, map.scan, map.key, map.key);
-
- if (ioctl(fd, EVIOCSKEYCODE, &map) < 0)
- log_error_errno(errno, "Error calling EVIOCSKEYCODE on device node '%s' (scan code 0x%x, key code %d): %m", devnode, map.scan, map.key);
-}
-
-static inline char* parse_token(const char *current, int32_t *val_out) {
- char *next;
- int32_t val;
-
- if (!current)
- return NULL;
-
- val = strtol(current, &next, 0);
- if (*next && *next != ':')
- return NULL;
-
- if (next != current)
- *val_out = val;
-
- if (*next)
- next++;
-
- return next;
-}
-
-static void override_abs(int fd, const char *devnode,
- unsigned evcode, const char *value) {
- struct input_absinfo absinfo;
- int rc;
- char *next;
-
- rc = ioctl(fd, EVIOCGABS(evcode), &absinfo);
- if (rc < 0) {
- log_error_errno(errno, "Unable to EVIOCGABS device \"%s\"", devnode);
- return;
- }
-
- next = parse_token(value, &absinfo.minimum);
- next = parse_token(next, &absinfo.maximum);
- next = parse_token(next, &absinfo.resolution);
- next = parse_token(next, &absinfo.fuzz);
- next = parse_token(next, &absinfo.flat);
- if (!next) {
- log_error("Unable to parse EV_ABS override '%s' for '%s'", value, devnode);
- return;
- }
-
- log_debug("keyboard: %x overridden with %"PRIi32"/%"PRIi32"/%"PRIi32"/%"PRIi32"/%"PRIi32" for \"%s\"",
- evcode,
- absinfo.minimum, absinfo.maximum, absinfo.resolution, absinfo.fuzz, absinfo.flat,
- devnode);
- rc = ioctl(fd, EVIOCSABS(evcode), &absinfo);
- if (rc < 0)
- log_error_errno(errno, "Unable to EVIOCSABS device \"%s\"", devnode);
-}
-
-static void set_trackpoint_sensitivity(struct udev_device *dev, const char *value)
-{
- struct udev_device *pdev;
- char val_s[DECIMAL_STR_MAX(int)];
- int r, val_i;
-
- assert(dev);
- assert(value);
-
- /* The sensitivity sysfs attr belongs to the serio parent device */
- pdev = udev_device_get_parent_with_subsystem_devtype(dev, "serio", NULL);
- if (!pdev) {
- log_warning("Failed to get serio parent for '%s'", udev_device_get_devnode(dev));
- return;
- }
-
- r = safe_atoi(value, &val_i);
- if (r < 0) {
- log_error("Unable to parse POINTINGSTICK_SENSITIVITY '%s' for '%s'", value, udev_device_get_devnode(dev));
- return;
- }
-
- xsprintf(val_s, "%d", val_i);
-
- r = udev_device_set_sysattr_value(pdev, "sensitivity", val_s);
- if (r < 0)
- log_error_errno(r, "Failed to write 'sensitivity' attribute for '%s': %m", udev_device_get_devnode(pdev));
-}
-
-static int open_device(const char *devnode) {
- int fd;
-
- fd = open(devnode, O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
- if (fd < 0)
- return log_error_errno(errno, "Error opening device \"%s\": %m", devnode);
-
- return fd;
-}
-
-static int builtin_keyboard(struct udev_device *dev, int argc, char *argv[], bool test) {
- struct udev_list_entry *entry;
- unsigned release[1024];
- unsigned release_count = 0;
- _cleanup_close_ int fd = -1;
- const char *node;
-
- node = udev_device_get_devnode(dev);
- if (!node) {
- log_error("No device node for \"%s\"", udev_device_get_syspath(dev));
- return EXIT_FAILURE;
- }
-
- udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) {
- const char *key;
- char *endptr;
-
- key = udev_list_entry_get_name(entry);
- if (startswith(key, "KEYBOARD_KEY_")) {
- const char *keycode;
- unsigned scancode;
-
- /* KEYBOARD_KEY_<hex scan code>=<key identifier string> */
- scancode = strtoul(key + 13, &endptr, 16);
- if (endptr[0] != '\0') {
- log_warning("Unable to parse scan code from \"%s\"", key);
- continue;
- }
-
- keycode = udev_list_entry_get_value(entry);
-
- /* a leading '!' needs a force-release entry */
- if (keycode[0] == '!') {
- keycode++;
-
- release[release_count] = scancode;
- if (release_count < ELEMENTSOF(release)-1)
- release_count++;
-
- if (keycode[0] == '\0')
- continue;
- }
-
- if (fd == -1) {
- fd = open_device(node);
- if (fd < 0)
- return EXIT_FAILURE;
- }
-
- map_keycode(fd, node, scancode, keycode);
- } else if (startswith(key, "EVDEV_ABS_")) {
- unsigned evcode;
-
- /* EVDEV_ABS_<EV_ABS code>=<min>:<max>:<res>:<fuzz>:<flat> */
- evcode = strtoul(key + 10, &endptr, 16);
- if (endptr[0] != '\0') {
- log_warning("Unable to parse EV_ABS code from \"%s\"", key);
- continue;
- }
-
- if (fd == -1) {
- fd = open_device(node);
- if (fd < 0)
- return EXIT_FAILURE;
- }
-
- override_abs(fd, node, evcode, udev_list_entry_get_value(entry));
- } else if (streq(key, "POINTINGSTICK_SENSITIVITY"))
- set_trackpoint_sensitivity(dev, udev_list_entry_get_value(entry));
- }
-
- /* install list of force-release codes */
- if (release_count > 0)
- install_force_release(dev, release, release_count);
-
- return EXIT_SUCCESS;
-}
-
-const struct udev_builtin udev_builtin_keyboard = {
- .name = "keyboard",
- .cmd = builtin_keyboard,
- .help = "Keyboard scan code to key mapping",
-};
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-18 17:14:43 +0000