From: Pekka Paalanen Date: Fri, 3 Aug 2012 17:30:30 +0000 (-0400) Subject: evdev: move udev code into compositor-drm.c X-Git-Tag: submit/trunk/20120814.155504~86 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=331569773990ebf7cc44399af6c79a697abe4b57;p=profile%2Fivi%2Fweston.git evdev: move udev code into compositor-drm.c Move all udev-related and now drm backend specific code into compositor-drm.c. This makes evdev.c free of udev and launcher-util, and allows it to be used on Android. Signed-off-by: Pekka Paalanen --- diff --git a/src/compositor-drm.c b/src/compositor-drm.c index 84b6dfe..8dfe276 100644 --- a/src/compositor-drm.c +++ b/src/compositor-drm.c @@ -37,6 +37,7 @@ #include #include +#include #include "compositor.h" #include "evdev.h" @@ -164,6 +165,14 @@ struct drm_sprite { uint32_t formats[]; }; +struct drm_seat { + struct weston_seat base; + struct wl_list devices_list; + struct udev_monitor *udev_monitor; + struct wl_event_source *udev_monitor_source; + char *seat_id; +}; + static void drm_output_set_cursor(struct drm_output *output); static void @@ -1788,6 +1797,233 @@ drm_restore(struct weston_compositor *ec) tty_reset(d->tty); } +static const char default_seat[] = "seat0"; + +static void +device_added(struct udev_device *udev_device, struct drm_seat *master) +{ + struct weston_compositor *c; + struct evdev_input_device *device; + const char *devnode; + const char *device_seat; + int fd; + + device_seat = udev_device_get_property_value(udev_device, "ID_SEAT"); + if (!device_seat) + device_seat = default_seat; + + if (strcmp(device_seat, master->seat_id)) + return; + + c = master->base.compositor; + devnode = udev_device_get_devnode(udev_device); + + /* Use non-blocking mode so that we can loop on read on + * evdev_input_device_data() until all events on the fd are + * read. mtdev_get() also expects this. */ + fd = weston_launcher_open(c, devnode, O_RDWR | O_NONBLOCK); + if (fd < 0) { + weston_log("opening input device '%s' failed.\n", devnode); + return; + } + + device = evdev_input_device_create(&master->base, devnode, fd); + if (!device) { + close(fd); + weston_log("not using input device '%s'.\n", devnode); + return; + } + + wl_list_insert(master->devices_list.prev, &device->link); +} + +static void +evdev_add_devices(struct udev *udev, struct weston_seat *seat_base) +{ + struct drm_seat *seat = (struct drm_seat *) seat_base; + struct udev_enumerate *e; + struct udev_list_entry *entry; + struct udev_device *device; + const char *path, *sysname; + + e = udev_enumerate_new(udev); + udev_enumerate_add_match_subsystem(e, "input"); + udev_enumerate_scan_devices(e); + udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) { + path = udev_list_entry_get_name(entry); + device = udev_device_new_from_syspath(udev, path); + + sysname = udev_device_get_sysname(device); + if (strncmp("event", sysname, 5) != 0) { + udev_device_unref(device); + continue; + } + + device_added(device, seat); + + udev_device_unref(device); + } + udev_enumerate_unref(e); + + evdev_notify_keyboard_focus(&seat->base, &seat->devices_list); + + if (wl_list_empty(&seat->devices_list)) { + weston_log( + "warning: no input devices on entering Weston. " + "Possible causes:\n" + "\t- no permissions to read /dev/input/event*\n" + "\t- seats misconfigured " + "(Weston backend option 'seat', " + "udev device property ID_SEAT)\n"); + } +} + +static int +evdev_udev_handler(int fd, uint32_t mask, void *data) +{ + struct drm_seat *master = data; + struct udev_device *udev_device; + struct evdev_input_device *device, *next; + const char *action; + const char *devnode; + + udev_device = udev_monitor_receive_device(master->udev_monitor); + if (!udev_device) + return 1; + + action = udev_device_get_action(udev_device); + if (action) { + if (strncmp("event", udev_device_get_sysname(udev_device), 5) != 0) + return 0; + + if (!strcmp(action, "add")) { + device_added(udev_device, master); + } + else if (!strcmp(action, "remove")) { + devnode = udev_device_get_devnode(udev_device); + wl_list_for_each_safe(device, next, + &master->devices_list, link) + if (!strcmp(device->devnode, devnode)) { + evdev_input_device_destroy(device); + break; + } + } + } + udev_device_unref(udev_device); + + return 0; +} + +static int +evdev_enable_udev_monitor(struct udev *udev, struct weston_seat *seat_base) +{ + struct drm_seat *master = (struct drm_seat *) seat_base; + struct wl_event_loop *loop; + struct weston_compositor *c = master->base.compositor; + int fd; + + master->udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); + if (!master->udev_monitor) { + weston_log("udev: failed to create the udev monitor\n"); + return 0; + } + + udev_monitor_filter_add_match_subsystem_devtype(master->udev_monitor, + "input", NULL); + + if (udev_monitor_enable_receiving(master->udev_monitor)) { + weston_log("udev: failed to bind the udev monitor\n"); + udev_monitor_unref(master->udev_monitor); + return 0; + } + + loop = wl_display_get_event_loop(c->wl_display); + fd = udev_monitor_get_fd(master->udev_monitor); + master->udev_monitor_source = + wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE, + evdev_udev_handler, master); + if (!master->udev_monitor_source) { + udev_monitor_unref(master->udev_monitor); + return 0; + } + + return 1; +} + +static void +evdev_disable_udev_monitor(struct weston_seat *seat_base) +{ + struct drm_seat *seat = (struct drm_seat *) seat_base; + + if (!seat->udev_monitor) + return; + + udev_monitor_unref(seat->udev_monitor); + seat->udev_monitor = NULL; + wl_event_source_remove(seat->udev_monitor_source); + seat->udev_monitor_source = NULL; +} + +static void +drm_led_update(struct weston_seat *seat_base, enum weston_led leds) +{ + struct drm_seat *seat = (struct drm_seat *) seat_base; + + evdev_led_update(&seat->devices_list, leds); +} + +static void +evdev_input_create(struct weston_compositor *c, struct udev *udev, + const char *seat_id) +{ + struct drm_seat *seat; + + seat = malloc(sizeof *seat); + if (seat == NULL) + return; + + memset(seat, 0, sizeof *seat); + weston_seat_init(&seat->base, c); + seat->base.led_update = drm_led_update; + + wl_list_init(&seat->devices_list); + seat->seat_id = strdup(seat_id); + if (!evdev_enable_udev_monitor(udev, &seat->base)) { + free(seat->seat_id); + free(seat); + return; + } + + evdev_add_devices(udev, &seat->base); + + c->seat = &seat->base; +} + +static void +evdev_remove_devices(struct weston_seat *seat_base) +{ + struct drm_seat *seat = (struct drm_seat *) seat_base; + struct evdev_input_device *device, *next; + + wl_list_for_each_safe(device, next, &seat->devices_list, link) + evdev_input_device_destroy(device); + + notify_keyboard_focus_out(&seat->base.seat); +} + +static void +evdev_input_destroy(struct weston_seat *seat_base) +{ + struct drm_seat *seat = (struct drm_seat *) seat_base; + + evdev_remove_devices(seat_base); + evdev_disable_udev_monitor(&seat->base); + + weston_seat_release(seat_base); + free(seat->seat_id); + free(seat); +} + static void drm_free_configured_output(struct drm_configured_output *output) { @@ -1920,8 +2156,6 @@ switch_vt_binding(struct wl_seat *seat, uint32_t time, uint32_t key, void *data) tty_activate_vt(ec->tty, key - KEY_F1 + 1); } -static const char default_seat[] = "seat0"; - static struct weston_compositor * drm_compositor_create(struct wl_display *display, int connector, const char *seat, int tty, diff --git a/src/evdev.c b/src/evdev.c index 92ac934..8f57c42 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -29,7 +29,6 @@ #include "compositor.h" #include "evdev.h" -#include "launcher-util.h" void evdev_led_update(struct wl_list *evdev_devices, enum weston_led leds) @@ -59,14 +58,6 @@ evdev_led_update(struct wl_list *evdev_devices, enum weston_led leds) } } -static void -drm_led_update(struct weston_seat *seat_base, enum weston_led leds) -{ - struct drm_seat *seat = (struct drm_seat *) seat_base; - - evdev_led_update(&seat->devices_list, leds); -} - static inline void evdev_process_key(struct evdev_input_device *device, struct input_event *e, int time) @@ -544,46 +535,6 @@ evdev_input_device_destroy(struct evdev_input_device *device) free(device); } -static const char default_seat[] = "seat0"; - -static void -device_added(struct udev_device *udev_device, struct drm_seat *master) -{ - struct weston_compositor *c; - struct evdev_input_device *device; - const char *devnode; - const char *device_seat; - int fd; - - device_seat = udev_device_get_property_value(udev_device, "ID_SEAT"); - if (!device_seat) - device_seat = default_seat; - - if (strcmp(device_seat, master->seat_id)) - return; - - c = master->base.compositor; - devnode = udev_device_get_devnode(udev_device); - - /* Use non-blocking mode so that we can loop on read on - * evdev_input_device_data() until all events on the fd are - * read. mtdev_get() also expects this. */ - fd = weston_launcher_open(c, devnode, O_RDWR | O_NONBLOCK); - if (fd < 0) { - weston_log("opening input device '%s' failed.\n", devnode); - return; - } - - device = evdev_input_device_create(&master->base, devnode, fd); - if (!device) { - close(fd); - weston_log("not using input device '%s'.\n", devnode); - return; - } - - wl_list_insert(master->devices_list.prev, &device->link); -} - void evdev_notify_keyboard_focus(struct weston_seat *seat, struct wl_list *evdev_devices) @@ -622,182 +573,3 @@ evdev_notify_keyboard_focus(struct weston_seat *seat, wl_array_release(&keys); } - -void -evdev_add_devices(struct udev *udev, struct weston_seat *seat_base) -{ - struct drm_seat *seat = (struct drm_seat *) seat_base; - struct udev_enumerate *e; - struct udev_list_entry *entry; - struct udev_device *device; - const char *path, *sysname; - - e = udev_enumerate_new(udev); - udev_enumerate_add_match_subsystem(e, "input"); - udev_enumerate_scan_devices(e); - udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) { - path = udev_list_entry_get_name(entry); - device = udev_device_new_from_syspath(udev, path); - - sysname = udev_device_get_sysname(device); - if (strncmp("event", sysname, 5) != 0) { - udev_device_unref(device); - continue; - } - - device_added(device, seat); - - udev_device_unref(device); - } - udev_enumerate_unref(e); - - evdev_notify_keyboard_focus(&seat->base, &seat->devices_list); - - if (wl_list_empty(&seat->devices_list)) { - weston_log( - "warning: no input devices on entering Weston. " - "Possible causes:\n" - "\t- no permissions to read /dev/input/event*\n" - "\t- seats misconfigured " - "(Weston backend option 'seat', " - "udev device property ID_SEAT)\n"); - } -} - -static int -evdev_udev_handler(int fd, uint32_t mask, void *data) -{ - struct drm_seat *master = data; - struct udev_device *udev_device; - struct evdev_input_device *device, *next; - const char *action; - const char *devnode; - - udev_device = udev_monitor_receive_device(master->udev_monitor); - if (!udev_device) - return 1; - - action = udev_device_get_action(udev_device); - if (action) { - if (strncmp("event", udev_device_get_sysname(udev_device), 5) != 0) - return 0; - - if (!strcmp(action, "add")) { - device_added(udev_device, master); - } - else if (!strcmp(action, "remove")) { - devnode = udev_device_get_devnode(udev_device); - wl_list_for_each_safe(device, next, - &master->devices_list, link) - if (!strcmp(device->devnode, devnode)) { - evdev_input_device_destroy(device); - break; - } - } - } - udev_device_unref(udev_device); - - return 0; -} - -int -evdev_enable_udev_monitor(struct udev *udev, struct weston_seat *seat_base) -{ - struct drm_seat *master = (struct drm_seat *) seat_base; - struct wl_event_loop *loop; - struct weston_compositor *c = master->base.compositor; - int fd; - - master->udev_monitor = udev_monitor_new_from_netlink(udev, "udev"); - if (!master->udev_monitor) { - weston_log("udev: failed to create the udev monitor\n"); - return 0; - } - - udev_monitor_filter_add_match_subsystem_devtype(master->udev_monitor, - "input", NULL); - - if (udev_monitor_enable_receiving(master->udev_monitor)) { - weston_log("udev: failed to bind the udev monitor\n"); - udev_monitor_unref(master->udev_monitor); - return 0; - } - - loop = wl_display_get_event_loop(c->wl_display); - fd = udev_monitor_get_fd(master->udev_monitor); - master->udev_monitor_source = - wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE, - evdev_udev_handler, master); - if (!master->udev_monitor_source) { - udev_monitor_unref(master->udev_monitor); - return 0; - } - - return 1; -} - -void -evdev_disable_udev_monitor(struct weston_seat *seat_base) -{ - struct drm_seat *seat = (struct drm_seat *) seat_base; - - if (!seat->udev_monitor) - return; - - udev_monitor_unref(seat->udev_monitor); - seat->udev_monitor = NULL; - wl_event_source_remove(seat->udev_monitor_source); - seat->udev_monitor_source = NULL; -} - -void -evdev_input_create(struct weston_compositor *c, struct udev *udev, - const char *seat_id) -{ - struct drm_seat *seat; - - seat = malloc(sizeof *seat); - if (seat == NULL) - return; - - memset(seat, 0, sizeof *seat); - weston_seat_init(&seat->base, c); - seat->base.led_update = drm_led_update; - - wl_list_init(&seat->devices_list); - seat->seat_id = strdup(seat_id); - if (!evdev_enable_udev_monitor(udev, &seat->base)) { - free(seat->seat_id); - free(seat); - return; - } - - evdev_add_devices(udev, &seat->base); - - c->seat = &seat->base; -} - -void -evdev_remove_devices(struct weston_seat *seat_base) -{ - struct drm_seat *seat = (struct drm_seat *) seat_base; - struct evdev_input_device *device, *next; - - wl_list_for_each_safe(device, next, &seat->devices_list, link) - evdev_input_device_destroy(device); - - notify_keyboard_focus_out(&seat->base.seat); -} - -void -evdev_input_destroy(struct weston_seat *seat_base) -{ - struct drm_seat *seat = (struct drm_seat *) seat_base; - - evdev_remove_devices(seat_base); - evdev_disable_udev_monitor(&seat->base); - - weston_seat_release(seat_base); - free(seat->seat_id); - free(seat); -} diff --git a/src/evdev.h b/src/evdev.h index 66773e7..6556df0 100644 --- a/src/evdev.h +++ b/src/evdev.h @@ -25,15 +25,6 @@ #include #include -#include - -struct drm_seat { - struct weston_seat base; - struct wl_list devices_list; - struct udev_monitor *udev_monitor; - struct wl_event_source *udev_monitor_source; - char *seat_id; -}; #define MAX_SLOTS 16 @@ -114,25 +105,6 @@ struct evdev_dispatch * evdev_touchpad_create(struct evdev_input_device *device); void -evdev_add_devices(struct udev *udev, struct weston_seat *seat_base); - -void -evdev_remove_devices(struct weston_seat *seat_base); - -void -evdev_input_create(struct weston_compositor *c, struct udev *udev, - const char *seat); - -void -evdev_input_destroy(struct weston_seat *seat); - -int -evdev_enable_udev_monitor(struct udev *udev, struct weston_seat *seat_base); - -void -evdev_disable_udev_monitor(struct weston_seat *seat_base); - -void evdev_led_update(struct wl_list *evdev_devices, enum weston_led leds); struct evdev_input_device *