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;
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;
68 } tdm_client_vblank_info;
71 _tdm_client_cb_global(void *data, struct wl_registry *registry,
72 uint32_t name, const char *interface,
75 tdm_private_client *private_client = data;
77 if (strcmp(interface, "wl_tdm") == 0) {
79 wl_registry_bind(registry, name, &wl_tdm_interface, version);
80 TDM_RETURN_IF_FAIL(private_client->tdm != NULL);
82 wl_display_flush(private_client->display);
87 _tdm_client_cb_global_remove(void *data, struct wl_registry *registry, uint32_t name)
91 static const struct wl_registry_listener tdm_client_registry_listener =
93 _tdm_client_cb_global,
94 _tdm_client_cb_global_remove
98 tdm_client_create(tdm_client_error *error)
100 tdm_private_client *private_client;
103 debug = getenv("TDM_DEBUG");
104 if (debug && (strstr(debug, "1")))
107 private_client = calloc(1, sizeof *private_client);
108 if (!private_client) {
109 TDM_ERR("alloc failed");
111 *error = TDM_CLIENT_ERROR_OUT_OF_MEMORY;
115 private_client->display = wl_display_connect("tdm-socket");
116 TDM_GOTO_IF_FAIL(private_client->display != NULL, create_failed);
118 private_client->registry = wl_display_get_registry(private_client->display);
119 TDM_GOTO_IF_FAIL(private_client->registry != NULL, create_failed);
121 wl_registry_add_listener(private_client->registry,
122 &tdm_client_registry_listener, private_client);
123 wl_display_roundtrip(private_client->display);
125 /* check global objects */
126 TDM_GOTO_IF_FAIL(private_client->tdm != NULL, create_failed);
128 LIST_INITHEAD(&private_client->vblank_list);
131 *error = TDM_CLIENT_ERROR_NONE;
133 return (tdm_client*)private_client;
135 tdm_client_destroy((tdm_client*)private_client);
137 *error = TDM_CLIENT_ERROR_OPERATION_FAILED;
142 tdm_client_destroy(tdm_client *client)
144 tdm_private_client *private_client = (tdm_private_client*)client;
145 tdm_client_vblank_info *v = NULL, *vv = NULL;
150 LIST_FOR_EACH_ENTRY_SAFE(v, vv, &private_client->vblank_list, link) {
152 wl_tdm_vblank_destroy(v->vblank);
156 if (private_client->tdm)
157 wl_tdm_destroy(private_client->tdm);
158 if (private_client->registry)
159 wl_registry_destroy(private_client->registry);
160 if (private_client->display)
161 wl_display_disconnect(private_client->display);
163 free(private_client);
167 tdm_client_get_fd(tdm_client *client, int *fd)
169 tdm_private_client *private_client;
171 TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
172 TDM_RETURN_VAL_IF_FAIL(fd != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
174 private_client = (tdm_private_client*)client;
176 *fd = wl_display_get_fd(private_client->display);
178 return TDM_CLIENT_ERROR_OPERATION_FAILED;
180 return TDM_CLIENT_ERROR_NONE;
184 tdm_client_handle_events(tdm_client *client)
186 tdm_private_client *private_client;
188 TDM_RETURN_VAL_IF_FAIL(client != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
190 private_client = (tdm_private_client*)client;
192 wl_display_dispatch(private_client->display);
194 return TDM_CLIENT_ERROR_NONE;
198 _tdm_client_cb_vblank_done(void *data, struct wl_tdm_vblank *vblank,
199 uint32_t sequence, uint32_t tv_sec, uint32_t tv_usec)
201 tdm_client_vblank_info *vblank_info = (tdm_client_vblank_info*)data;
203 TDM_RETURN_IF_FAIL(vblank_info != NULL);
205 if (vblank_info->vblank != vblank)
206 TDM_NEVER_GET_HERE();
208 TDM_DBG("vblank_info(%p) wl_tbm_vblank@%d", vblank_info, wl_proxy_get_id((struct wl_proxy *)vblank));
210 if (vblank_info->func) {
211 vblank_info->func(sequence, tv_sec, tv_usec, vblank_info->user_data);
214 LIST_DEL(&vblank_info->link);
218 static const struct wl_tdm_vblank_listener tdm_client_vblank_listener = {
219 _tdm_client_cb_vblank_done,
223 tdm_client_wait_vblank(tdm_client *client, char *name,
224 int sw_timer, int interval, int sync,
225 tdm_client_vblank_handler func, void *user_data)
227 tdm_private_client *private_client = (tdm_private_client*)client;
228 tdm_client_vblank_info *vblank_info;
231 TDM_RETURN_VAL_IF_FAIL(name != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
232 TDM_RETURN_VAL_IF_FAIL(interval > 0, TDM_CLIENT_ERROR_INVALID_PARAMETER);
233 TDM_RETURN_VAL_IF_FAIL(func != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
234 TDM_RETURN_VAL_IF_FAIL(private_client != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
235 TDM_RETURN_VAL_IF_FAIL(private_client->tdm != NULL, TDM_CLIENT_ERROR_INVALID_PARAMETER);
237 vblank_info = calloc(1, sizeof *vblank_info);
239 TDM_ERR("alloc failed");
240 return TDM_CLIENT_ERROR_OUT_OF_MEMORY;
243 clock_gettime(CLOCK_MONOTONIC, &tp);
245 vblank_info->req_sec = (unsigned int)tp.tv_sec;
246 vblank_info->req_usec = (unsigned int)(tp.tv_nsec/1000L);
248 vblank_info->vblank =
249 wl_tdm_wait_vblank(private_client->tdm, name, sw_timer, interval,
250 vblank_info->req_sec, vblank_info->req_usec);
251 if (!vblank_info->vblank) {
252 TDM_ERR("couldn't create vblank resource");
254 return TDM_CLIENT_ERROR_OUT_OF_MEMORY;
257 TDM_DBG("vblank_info(%p) wl_tbm_vblank@%d", vblank_info, wl_proxy_get_id((struct wl_proxy *)vblank_info->vblank));
259 wl_tdm_vblank_add_listener(vblank_info->vblank,
260 &tdm_client_vblank_listener, vblank_info);
262 vblank_info->func = func;
263 vblank_info->user_data = user_data;
264 LIST_ADDTAIL(&vblank_info->link, &private_client->vblank_list);
267 wl_display_roundtrip(private_client->display);
269 wl_display_flush(private_client->display);
271 return TDM_CLIENT_ERROR_NONE;