7 static const struct ds_backend_interface tdm_backend_iface;
8 static void tdm_backend_handle_display_destroy(struct wl_listener *listener,
10 static void tdm_backend_destroy(struct ds_tdm_backend *tdm);
11 static int tdm_backend_handle_tdm_event(int fd, uint32_t mask, void *data);
13 WL_EXPORT struct ds_backend *
14 ds_tdm_backend_create(struct wl_display *display)
16 struct ds_tdm_backend *tdm;
17 struct wl_event_loop *loop;
20 ds_inf("Initializing TDM backend");
22 tdm = calloc(1, sizeof *tdm);
26 ds_backend_init(&tdm->base, &tdm_backend_iface);
28 tdm->wl_display = display;
29 tdm->clock = CLOCK_MONOTONIC; // FIXME
31 wl_list_init(&tdm->outputs);
32 wl_list_init(&tdm->buffers);
34 tdm->tdm_display = tdm_display_init(&err);
35 if (err != TDM_ERROR_NONE) {
36 ds_err("Could not initialize tdm_display");
40 err = tdm_display_get_fd(tdm->tdm_display, &tdm->fd);
41 if (err != TDM_ERROR_NONE || tdm->fd < 0) {
42 ds_err("Could not get fd from tdm_display: err(%d)", err);
46 loop = wl_display_get_event_loop(display);
47 tdm->tdm_event = wl_event_loop_add_fd(loop, tdm->fd, WL_EVENT_READABLE,
48 tdm_backend_handle_tdm_event, tdm);
49 if (!tdm->tdm_event) {
50 ds_err("could not add fd event handler for tdm event");
54 tdm->display_destroy.notify = tdm_backend_handle_display_destroy;
55 wl_display_add_destroy_listener(display, &tdm->display_destroy);
62 tdm_display_deinit(tdm->tdm_display);
69 struct ds_tdm_backend *
70 tdm_backend_from_backend(struct ds_backend *backend)
72 assert(backend->iface == &tdm_backend_iface);
73 return (struct ds_tdm_backend *)backend;
77 tdm_backend_destroy(struct ds_tdm_backend *tdm)
79 struct ds_tdm_output *output, *tmp_output;
80 struct ds_tdm_buffer *buffer, *tmp_buffer;
82 wl_list_for_each_safe(output, tmp_output, &tdm->outputs, link) {
83 ds_output_destroy(&output->base);
86 wl_list_for_each_safe(buffer, tmp_buffer, &tdm->buffers, link) {
87 destroy_tdm_buffer(buffer);
90 wl_list_remove(&tdm->display_destroy.link);
91 wl_event_source_remove(tdm->tdm_event);
93 tdm_display_deinit(tdm->tdm_display);
98 tdm_backend_scan_outputs(struct ds_tdm_backend *tdm)
100 struct ds_tdm_output *output;
101 tdm_output *tdm_output;
105 err = tdm_display_get_output_count(tdm->tdm_display, &num_outputs);
106 if (err != TDM_ERROR_NONE) {
107 ds_err("Could not get number of outputs: err(%d)", err);
111 for (i = 0; i < num_outputs; i++) {
112 tdm_output = tdm_display_get_output(tdm->tdm_display, i, &err);
113 if (err != TDM_ERROR_NONE || !tdm_output) {
114 ds_err("Could not get output from tdm_display: index(%d) err(%d)",
119 output = create_tdm_output(tdm, tdm_output);
121 ds_err("Could not create output: index(%d)", i);
125 wl_list_insert(&tdm->outputs, &output->link);
127 wl_signal_emit(&tdm->base.events.new_output, &output->base);
134 tdm_backend_iface_start(struct ds_backend *backend)
136 struct ds_tdm_backend *tdm;
138 tdm = tdm_backend_from_backend(backend);
139 return tdm_backend_scan_outputs(tdm);
143 tdm_backend_iface_destroy(struct ds_backend *backend)
145 struct ds_tdm_backend *tdm;
147 tdm = tdm_backend_from_backend(backend);
148 tdm_backend_destroy(tdm);
151 static const struct ds_backend_interface tdm_backend_iface = {
152 .start = tdm_backend_iface_start,
153 .destroy = tdm_backend_iface_destroy,
158 tdm_backend_handle_display_destroy(struct wl_listener *listener, void *data)
160 struct ds_tdm_backend *tdm;
162 tdm = wl_container_of(listener, tdm, display_destroy);
163 tdm_backend_destroy(tdm);
167 tdm_backend_handle_tdm_event(int fd, uint32_t mask, void *data)
169 struct ds_tdm_backend *tdm;
172 tdm_display_handle_events(tdm->tdm_display);