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-rw-r--r--toolbox/powerd.c441
1 files changed, 0 insertions, 441 deletions
diff --git a/toolbox/powerd.c b/toolbox/powerd.c
deleted file mode 100644
index 1f29a8b..0000000
--- a/toolbox/powerd.c
+++ /dev/null
@@ -1,441 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <string.h>
-#include <errno.h>
-#include <time.h>
-#include <sys/select.h>
-#include <sys/inotify.h>
-
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
-//#include <linux/input.h> // this does not compile
-
-// from <linux/input.h>
-
-struct input_event {
- struct timeval time;
- __u16 type;
- __u16 code;
- __s32 value;
-};
-
-#define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */
-#define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */
-#define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */
-#define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */
-
-#define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */
-#define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */
-#define EVIOCGUNIQ(len) _IOC(_IOC_READ, 'E', 0x08, len) /* get unique identifier */
-
-#define EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) /* get global keystate */
-#define EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) /* get all LEDs */
-#define EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) /* get all sounds status */
-#define EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) /* get all switch states */
-
-#define EVIOCGBIT(ev,len) _IOC(_IOC_READ, 'E', 0x20 + ev, len) /* get event bits */
-#define EVIOCGABS(abs) _IOR('E', 0x40 + abs, struct input_absinfo) /* get abs value/limits */
-#define EVIOCSABS(abs) _IOW('E', 0xc0 + abs, struct input_absinfo) /* set abs value/limits */
-
-#define EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) /* send a force effect to a force feedback device */
-#define EVIOCRMFF _IOW('E', 0x81, int) /* Erase a force effect */
-#define EVIOCGEFFECTS _IOR('E', 0x84, int) /* Report number of effects playable at the same time */
-
-#define EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */
-
-/*
- * Event types
- */
-
-#define EV_SYN 0x00
-#define EV_KEY 0x01
-#define EV_REL 0x02
-#define EV_ABS 0x03
-#define EV_MSC 0x04
-#define EV_SW 0x05
-#define EV_LED 0x11
-#define EV_SND 0x12
-#define EV_REP 0x14
-#define EV_FF 0x15
-#define EV_PWR 0x16
-#define EV_FF_STATUS 0x17
-#define EV_MAX 0x1f
-
-#define KEY_POWER 116
-#define KEY_SLEEP 142
-#define SW_0 0x00
-
-// end <linux/input.h>
-
-struct notify_entry {
- int id;
- int (*handler)(struct notify_entry *entry, struct inotify_event *event);
- const char *filename;
-};
-
-int charging_state_notify_handler(struct notify_entry *entry, struct inotify_event *event)
-{
- static int state = -1;
- int last_state;
- char buf[40];
- int read_len;
- int fd;
-
- last_state = state;
- fd = open(entry->filename, O_RDONLY);
- read_len = read(fd, buf, sizeof(buf));
- if(read_len > 0) {
- //printf("charging_state_notify_handler: \"%s\"\n", buf);
- state = !(strncmp(buf, "Unknown", 7) == 0
- || strncmp(buf, "Discharging", 11) == 0);
- }
- close(fd);
- //printf("charging_state_notify_handler: %d -> %d\n", last_state, state);
- return state > last_state;
-}
-
-struct notify_entry watched_files[] = {
- {
- .filename = "/sys/android_power/charging_state",
- .handler = charging_state_notify_handler
- }
-};
-
-int call_notify_handler(struct inotify_event *event)
-{
- unsigned int start, i;
- start = event->wd - watched_files[0].id;
- if(start >= ARRAY_SIZE(watched_files))
- start = 0;
- //printf("%d: %08x \"%s\"\n", event->wd, event->mask, event->len ? event->name : "");
- for(i = start; i < ARRAY_SIZE(watched_files); i++) {
- if(event->wd == watched_files[i].id) {
- if(watched_files[i].handler) {
- return watched_files[i].handler(&watched_files[i], event);
- }
- return 1;
- }
- }
- for(i = 0; i < start; i++) {
- if(event->wd == watched_files[i].id) {
- if(watched_files[i].handler) {
- return watched_files[i].handler(&watched_files[i], event);
- }
- return 1;
- }
- }
- return 0;
-}
-
-int handle_inotify_event(int nfd)
-{
- int res;
- int wake_up = 0;
- struct inotify_event *event;
- char event_buf[512];
- int event_pos = 0;
-
- res = read(nfd, event_buf, sizeof(event_buf));
- if(res < (int)sizeof(*event)) {
- if(errno == EINTR)
- return 0;
- fprintf(stderr, "could not get event, %s\n", strerror(errno));
- return 0;
- }
- printf("got %d bytes of event information\n", res);
- while(res >= (int)sizeof(*event)) {
- int event_size;
- event = (struct inotify_event *)(event_buf + event_pos);
- wake_up |= call_notify_handler(event);
- event_size = sizeof(*event) + event->len;
- res -= event_size;
- event_pos += event_size;
- }
- return wake_up;
-}
-
-int powerd_main(int argc, char *argv[])
-{
- int c;
- unsigned int i;
- int res;
- struct timeval tv;
- int eventfd;
- int notifyfd;
- int powerfd;
- int powerfd_is_sleep;
- int user_activity_fd;
- int acquire_partial_wake_lock_fd;
- int acquire_full_wake_lock_fd;
- int release_wake_lock_fd;
- char *eventdev = "/dev/input/event0";
- const char *android_sleepdev = "/sys/android_power/request_sleep";
- const char *android_autooff_dev = "/sys/android_power/auto_off_timeout";
- const char *android_user_activity_dev = "/sys/android_power/last_user_activity";
- const char *android_acquire_partial_wake_lock_dev = "/sys/android_power/acquire_partial_wake_lock";
- const char *android_acquire_full_wake_lock_dev = "/sys/android_power/acquire_full_wake_lock";
- const char *android_release_wake_lock_dev = "/sys/android_power/release_wake_lock";
- const char *powerdev = "/sys/power/state";
- const char suspendstring[] = "standby";
- const char wakelockstring[] = "powerd";
- fd_set rfds;
- struct input_event event;
- struct input_event light_event;
- struct input_event light_event2;
- int gotkey = 1;
- time_t idle_time = 5;
- const char *idle_time_string = "5";
- time_t lcd_light_time = 0;
- time_t key_light_time = 0;
- int verbose = 1;
- int event_sleep = 0;
- int got_power_key_down = 0;
- struct timeval power_key_down_time = { 0, 0 };
-
- light_event.type = EV_LED;
- light_event.code = 4; // bright lcd backlight
- light_event.value = 0; // light off -- sleep after timeout
-
- light_event2.type = EV_LED;
- light_event2.code = 8; // keyboard backlight
- light_event2.value = 0; // light off -- sleep after timeout
-
- do {
- c = getopt(argc, argv, "e:ni:vql:k:");
- if (c == EOF)
- break;
- switch (c) {
- case 'e':
- eventdev = optarg;
- break;
- case 'n':
- gotkey = 0;
- break;
- case 'i':
- idle_time = atoi(optarg);
- idle_time_string = optarg;
- break;
- case 'v':
- verbose = 2;
- break;
- case 'q':
- verbose = 0;
- break;
- case 'l':
- lcd_light_time = atoi(optarg);
- break;
- case 'k':
- key_light_time = atoi(optarg);
- break;
- case '?':
- fprintf(stderr, "%s: invalid option -%c\n",
- argv[0], optopt);
- exit(1);
- }
- } while (1);
- if(optind != argc) {
- fprintf(stderr,"%s [-e eventdev]\n", argv[0]);
- return 1;
- }
-
- eventfd = open(eventdev, O_RDWR | O_NONBLOCK);
- if(eventfd < 0) {
- fprintf(stderr, "could not open %s, %s\n", eventdev, strerror(errno));
- return 1;
- }
- if(key_light_time >= lcd_light_time) {
- lcd_light_time = key_light_time + 1;
- fprintf(stderr,"lcd bright backlight time must be longer than keyboard backlight time.\n"
- "Setting lcd bright backlight time to %ld seconds\n", lcd_light_time);
- }
-
- user_activity_fd = open(android_user_activity_dev, O_RDWR);
- if(user_activity_fd >= 0) {
- int auto_off_fd = open(android_autooff_dev, O_RDWR);
- write(auto_off_fd, idle_time_string, strlen(idle_time_string));
- close(auto_off_fd);
- }
-
- powerfd = open(android_sleepdev, O_RDWR);
- if(powerfd >= 0) {
- powerfd_is_sleep = 1;
- if(verbose > 0)
- printf("Using android sleep dev: %s\n", android_sleepdev);
- }
- else {
- powerfd_is_sleep = 0;
- powerfd = open(powerdev, O_RDWR);
- if(powerfd >= 0) {
- if(verbose > 0)
- printf("Using linux power dev: %s\n", powerdev);
- }
- }
- if(powerfd < 0) {
- fprintf(stderr, "could not open %s, %s\n", powerdev, strerror(errno));
- return 1;
- }
-
- notifyfd = inotify_init();
- if(notifyfd < 0) {
- fprintf(stderr, "inotify_init failed, %s\n", strerror(errno));
- return 1;
- }
- fcntl(notifyfd, F_SETFL, O_NONBLOCK | fcntl(notifyfd, F_GETFL));
- for(i = 0; i < ARRAY_SIZE(watched_files); i++) {
- watched_files[i].id = inotify_add_watch(notifyfd, watched_files[i].filename, IN_MODIFY);
- printf("Watching %s, id %d\n", watched_files[i].filename, watched_files[i].id);
- }
-
- acquire_partial_wake_lock_fd = open(android_acquire_partial_wake_lock_dev, O_RDWR);
- acquire_full_wake_lock_fd = open(android_acquire_full_wake_lock_dev, O_RDWR);
- release_wake_lock_fd = open(android_release_wake_lock_dev, O_RDWR);
-
- if(user_activity_fd >= 0) {
- idle_time = 60*60*24; // driver handles real timeout
- }
- if(gotkey) {
- tv.tv_sec = idle_time;
- tv.tv_usec = 0;
- }
- else {
- tv.tv_sec = 0;
- tv.tv_usec = 500000;
- }
-
- while(1) {
- FD_ZERO(&rfds);
- //FD_SET(0, &rfds);
- FD_SET(eventfd, &rfds);
- FD_SET(notifyfd, &rfds);
- res = select(((notifyfd > eventfd) ? notifyfd : eventfd) + 1, &rfds, NULL, NULL, &tv);
- if(res < 0) {
- fprintf(stderr, "select failed, %s\n", strerror(errno));
- return 1;
- }
- if(res == 0) {
- if(light_event2.value == 1)
- goto light2_off;
- if(light_event.value == 1)
- goto light_off;
- if(user_activity_fd < 0) {
- if(gotkey && verbose > 0)
- printf("Idle - sleep\n");
- if(!gotkey && verbose > 1)
- printf("Reenter sleep\n");
- goto sleep;
- }
- else {
- tv.tv_sec = 60*60*24;
- tv.tv_usec = 0;
- }
- }
- if(res > 0) {
- //if(FD_ISSET(0, &rfds)) {
- // printf("goto data on stdin quit\n");
- // return 0;
- //}
- if(FD_ISSET(notifyfd, &rfds)) {
- write(acquire_partial_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- if(handle_inotify_event(notifyfd) > 0) {
- write(acquire_full_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- }
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- }
- if(FD_ISSET(eventfd, &rfds)) {
- write(acquire_partial_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- res = read(eventfd, &event, sizeof(event));
- if(res < (int)sizeof(event)) {
- fprintf(stderr, "could not get event\n");
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- return 1;
- }
- if(event.type == EV_PWR && event.code == KEY_SLEEP) {
- event_sleep = event.value;
- }
- if(event.type == EV_KEY || (event.type == EV_SW && event.code == SW_0 && event.value == 1)) {
- gotkey = 1;
- if(user_activity_fd >= 0) {
- char buf[32];
- int len;
- len = sprintf(buf, "%ld%06lu000", event.time.tv_sec, event.time.tv_usec);
- write(user_activity_fd, buf, len);
- }
- if(lcd_light_time | key_light_time) {
- tv.tv_sec = key_light_time;
- light_event.value = 1;
- write(eventfd, &light_event, sizeof(light_event));
- light_event2.value = 1;
- write(eventfd, &light_event2, sizeof(light_event2));
- }
- else {
- tv.tv_sec = idle_time;
- }
- tv.tv_usec = 0;
- if(verbose > 1)
- printf("got %s %s %d%s\n", event.type == EV_KEY ? "key" : "switch", event.value ? "down" : "up", event.code, event_sleep ? " from sleep" : "");
- if(event.code == KEY_POWER) {
- if(event.value == 0) {
- int tmp_got_power_key_down = got_power_key_down;
- got_power_key_down = 0;
- if(tmp_got_power_key_down) {
- // power key released
- if(verbose > 0)
- printf("Power key released - sleep\n");
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- goto sleep;
- }
- }
- else if(event_sleep == 0) {
- got_power_key_down = 1;
- power_key_down_time = event.time;
- }
- }
- }
- if(event.type == EV_SW && event.code == SW_0 && event.value == 0) {
- if(verbose > 0)
- printf("Flip closed - sleep\n");
- power_key_down_time = event.time;
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- goto sleep;
- }
- write(release_wake_lock_fd, wakelockstring, sizeof(wakelockstring) - 1);
- }
- }
- if(0) {
-light_off:
- light_event.value = 0;
- write(eventfd, &light_event, sizeof(light_event));
- tv.tv_sec = idle_time - lcd_light_time;
- }
- if(0) {
-light2_off:
- light_event2.value = 0;
- write(eventfd, &light_event2, sizeof(light_event2));
- tv.tv_sec = lcd_light_time - key_light_time;
- }
- if(0) {
-sleep:
- if(light_event.value == 1) {
- light_event.value = 0;
- write(eventfd, &light_event, sizeof(light_event));
- light_event2.value = 0;
- write(eventfd, &light_event2, sizeof(light_event2));
- tv.tv_sec = idle_time - lcd_light_time;
- }
- if(powerfd_is_sleep) {
- char buf[32];
- int len;
- len = sprintf(buf, "%ld%06lu000", power_key_down_time.tv_sec, power_key_down_time.tv_usec);
- write(powerfd, buf, len);
- }
- else
- write(powerfd, suspendstring, sizeof(suspendstring) - 1);
- gotkey = 0;
- tv.tv_sec = 0;
- tv.tv_usec = 500000;
- }
- }
-
- return 0;
-}
generated by cgit v1.1 at 2024-10-30 07:17:02 +0000