diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-10 17:35:20 -0400 |
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committer | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-10 17:35:20 -0400 |
commit | 0f84dd566f9a09ff2bf9c421c57f92c0940720f3 (patch) | |
tree | ad55de626764ceb7056299d6f54048af2bc60e9e /src/udev/udev-builtin-keyboard.c | |
parent | 113d1861d5730e1e61e6583317f1c6baa9deb333 (diff) |
./tools/notsd-move
Diffstat (limited to 'src/udev/udev-builtin-keyboard.c')
-rw-r--r-- | src/udev/udev-builtin-keyboard.c | 277 |
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", -}; |