1 /**************************************************************************
5 Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
7 Contact: Eunchul Kim <chulspro.kim@samsung.com>,
8 JinYoung Jeon <jy0.jeon@samsung.com>,
9 Taeheon Kim <th908.kim@samsung.com>,
10 YoungJun Cho <yj44.cho@samsung.com>,
11 SooChan Lim <sc1.lim@samsung.com>,
12 Boram Park <sc1.lim@samsung.com>
14 Permission is hereby granted, free of charge, to any person obtaining a
15 copy of this software and associated documentation files (the
16 "Software"), to deal in the Software without restriction, including
17 without limitation the rights to use, copy, modify, merge, publish,
18 distribute, sub license, and/or sell copies of the Software, and to
19 permit persons to whom the Software is furnished to do so, subject to
20 the following conditions:
22 The above copyright notice and this permission notice (including the
23 next paragraph) shall be included in all copies or substantial portions
26 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
29 IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
30 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
31 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
32 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 **************************************************************************/
45 #include "tdm_client.h"
47 #include "tdm_macro.h"
49 #include "tdm-client-protocol.h"
53 typedef struct _tdm_private_client {
54 struct wl_display *display;
55 struct wl_registry *registry;
57 struct wl_tdm_client *tdm_client;
58 struct list_head vblank_list;
61 typedef struct _tdm_client_vblank_info {
62 struct list_head link;
63 struct wl_tdm_vblank *vblank;
64 tdm_client_vblank_handler func;
66 unsigned int req_usec;
69 } tdm_client_vblank_info;
72 _tdm_client_cb_global(void *data, struct wl_registry *registry,
73 uint32_t name, const char *interface,
76 tdm_private_client *private_client = data;
78 if (strcmp(interface, "wl_tdm") == 0) {
80 wl_registry_bind(registry, name, &wl_tdm_interface, version);
81 TDM_RETURN_IF_FAIL(private_client->tdm != NULL);
83 wl_display_flush(private_client->display);
88 _tdm_client_cb_global_remove(void *data, struct wl_registry *registry, uint32_t name)
92 static const struct wl_registry_listener tdm_client_registry_listener =
94 _tdm_client_cb_global,
95 _tdm_client_cb_global_remove
99 tdm_client_create(tdm_client_error *error)
101 tdm_private_client *private_client;
104 debug = getenv("TDM_DEBUG");
105 if (debug && (strstr(debug, "1")))
108 private_client = calloc(1, sizeof *private_client);
109 if (!private_client) {
110 TDM_ERR("alloc failed");
112 *error = TDM_CLIENT_ERROR_OUT_OF_MEMORY;
116 private_client->display = wl_display_connect("tdm-socket");
117 TDM_GOTO_IF_FAIL(private_client->display != NULL, create_failed);
119 private_client->registry = wl_display_get_registry(private_client->display);
120 TDM_GOTO_IF_FAIL(private_client->registry != NULL, create_failed);
122 wl_registry_add_listener(private_client->registry,
123 &tdm_client_registry_listener, private_client);
124 wl_display_roundtrip(private_client->display);
126 /* check global objects */
127 TDM_GOTO_IF_FAIL(private_client->tdm != NULL, create_failed);
129 LIST_INITHEAD(&private_client->vblank_list);
131 private_client->tdm_client = wl_tdm_create_client(private_client->tdm);
132 TDM_GOTO_IF_FAIL(private_client->tdm_client != NULL, create_failed);
135 *error = TDM_CLIENT_ERROR_NONE;
137 return (tdm_client*)private_client;
139 tdm_client_destroy((tdm_client*)private_client);
141 *error = TDM_CLIENT_ERROR_OPERATION_FAILED;
146 tdm_client_destroy(tdm_client *client)
148 tdm_private_client *private_client = (tdm_private_client*)client;
149 tdm_client_vblank_info *v = NULL, *vv = NULL;
154 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_client->vblank_list, link) {
156 wl_tdm_vblank_destroy(v->vblank);
160 if (private_client->tdm_client)
161 wl_tdm_client_destroy(private_client->tdm_client);
162 if (private_client->tdm)
163 wl_tdm_destroy(private_client->tdm);
164 if (private_client->registry)
165 wl_registry_destroy(private_client->registry);
166 if (private_client->display)
167 wl_display_disconnect(private_client->display);
169 free(private_client);
173 tdm_client_get_fd(tdm_client *client, int *fd)
175 tdm_private_client *private_client;
177 TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
178 TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
180 private_client = (tdm_private_client*)client;
182 *fd = wl_display_get_fd(private_client->display);
184 return TDM_CLIENT_ERROR_OPERATION_FAILED;
186 return TDM_CLIENT_ERROR_NONE;
190 tdm_client_handle_events(tdm_client *client)
192 tdm_private_client *private_client;
194 TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
196 private_client = (tdm_private_client*)client;
198 wl_display_dispatch(private_client->display);
200 return TDM_CLIENT_ERROR_NONE;
204 _tdm_client_cb_vblank_done(void *data, struct wl_tdm_vblank *vblank,
205 uint32_t sequence, uint32_t tv_sec, uint32_t tv_usec)
207 tdm_client_vblank_info *vblank_info = (tdm_client_vblank_info*)data;
209 TDM_RETURN_IF_FAIL(vblank_info != NULL);
211 if (vblank_info->vblank != vblank)
212 TDM_NEVER_GET_HERE();
214 TDM_DBG("vblank_info(%p) wl_tbm_vblank@%d", vblank_info,
215 wl_proxy_get_id((struct wl_proxy *)vblank));
217 if (vblank_info->func) {
218 vblank_info->func(sequence, tv_sec, tv_usec, vblank_info->user_data);
221 if (vblank_info->need_free) {
222 LIST_DEL(&vblank_info->link);
225 vblank_info->need_free = 1;
229 static const struct wl_tdm_vblank_listener tdm_client_vblank_listener = {
230 _tdm_client_cb_vblank_done,
234 tdm_client_wait_vblank(tdm_client *client, char *name,
235 int sw_timer, int interval, int sync,
236 tdm_client_vblank_handler func, void *user_data)
238 tdm_private_client *private_client = (tdm_private_client*)client;
239 tdm_client_vblank_info *vblank_info;
243 TDM_RETURN_VAL_IF_FAIL(name != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
244 TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_CLIENT_ERROR_INVALID_PARAMETER);
245 TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
246 TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
247 TDM_RETURN_VAL_IF_FAIL(private_client->tdm_client != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
249 vblank_info = calloc(1, sizeof *vblank_info);
251 TDM_ERR("alloc failed");
252 return TDM_CLIENT_ERROR_OUT_OF_MEMORY;
255 clock_gettime(CLOCK_MONOTONIC, &tp);
257 vblank_info->req_sec = (unsigned int)tp.tv_sec;
258 vblank_info->req_usec = (unsigned int)(tp.tv_nsec/1000L);
259 vblank_info->need_free = (sync) ? 0 : 1;
261 vblank_info->vblank =
262 wl_tdm_client_wait_vblank(private_client->tdm_client,
263 name, sw_timer, interval,
264 vblank_info->req_sec, vblank_info->req_usec);
265 if (!vblank_info->vblank) {
266 TDM_ERR("couldn't create vblank resource");
268 return TDM_CLIENT_ERROR_OUT_OF_MEMORY;
271 TDM_DBG("vblank_info(%p) wl_tbm_vblank@%d", vblank_info,
272 wl_proxy_get_id((struct wl_proxy *)vblank_info->vblank));
274 wl_tdm_vblank_add_listener(vblank_info->vblank,
275 &tdm_client_vblank_listener, vblank_info);
277 vblank_info->func = func;
278 vblank_info->user_data = user_data;
279 LIST_ADDTAIL(&vblank_info->link, &private_client->vblank_list);
282 wl_display_flush(private_client->display);
283 return TDM_CLIENT_ERROR_NONE;
286 while (ret != -1 && !vblank_info->need_free)
287 ret = wl_display_dispatch(private_client->display);
289 clock_gettime(CLOCK_MONOTONIC, &tp);
290 TDM_DBG("block during %d us",
291 ((unsigned int)(tp.tv_sec * 1000000) + (unsigned int)(tp.tv_nsec/1000L))
292 - (vblank_info->req_sec * 1000000 + vblank_info->req_usec));
294 LIST_DEL(&vblank_info->link);
297 return TDM_CLIENT_ERROR_NONE;