tools/tdm_test_client.c

   1 /**************************************************************************
   2  *
   3  * libtdm
   4  *
   5  * Copyright 2015 Samsung Electronics co., Ltd. All Rights Reserved.
   6  *
   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>
  13  *
  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:
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  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.
  33  *
  34 **************************************************************************/
  35
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <stdlib.h>
  39 #include <poll.h>
  40 #include <errno.h>
  41 #include <time.h>
  42 #include <stdint.h>
  43
  44 #include <tdm_client.h>
  45 #include "tdm_macro.h"
  46
  47 typedef struct _tdm_test_client_arg {
  48         char output_name[512];
  49         int fps;
  50         int sync;
  51         int interval;
  52         int offset;
  53         int enable_fake;
  54 } tdm_test_client_arg;
  55
  56 typedef struct _tdm_test_client {
  57         tdm_test_client_arg args;
  58
  59         int do_query;
  60         int do_vblank;
  61         int waiting;
  62
  63         tdm_client *client;
  64 } tdm_test_client;
  65
  66 struct typestrings {
  67         int type;
  68         char string[512];
  69 };
  70
  71 struct optstrings {
  72         int  type;
  73         char opt[512];
  74         char desc[512];
  75         char arg[512];
  76         char ex[512];
  77 };
  78
  79 enum {
  80         OPT_QRY,
  81         OPT_TST,
  82         OPT_GNR,
  83 };
  84
  85 static struct typestrings typestrs[] = {
  86         {OPT_QRY, "Query"},
  87         {OPT_TST, "Test"},
  88         {OPT_GNR, "General"},
  89 };
  90
  91 static struct optstrings optstrs[] = {
  92         {OPT_QRY, "qo", "output objects info", "<output_name>", "primary"},
  93         {OPT_TST, "v", "vblank test", "<output_name>[,<sync>][@<fps>][#<interval>][+<offset>][*fake]", "primary,0@60#1+0*1"},
  94 };
  95
  96 #define DELIM "!@#^&*+-|,"
  97
  98 static char*
  99 strtostr(char *buf, int len, char *str, char *delim)
 100 {
 101         char *end;
 102         end = strpbrk(str, delim);
 103         if (end)
 104                 len = ((end - str + 1) < len) ? (end - str + 1) : len;
 105         else {
 106                 int l = strlen(str);
 107                 len = ((l + 1) < len) ? (l + 1) : len;
 108         }
 109         snprintf(buf, len, "%s", str);
 110         return str + len - 1;
 111 }
 112
 113 static void
 114 usage(char *app_name)
 115 {
 116         int type_size = sizeof(typestrs) / sizeof(struct typestrings);
 117         int opt_size = sizeof(optstrs) / sizeof(struct optstrings);
 118         int t;
 119
 120         printf("usage: %s \n\n", app_name);
 121
 122         for (t = 0; t < type_size; t++) {
 123                 int o, f = 1;
 124
 125                 for (o = 0; o < opt_size; o++)
 126                         if (optstrs[o].type == typestrs[t].type) {
 127                                 if (f == 1)
 128                                         printf(" %s options:\n\n", typestrs[t].string);
 129                                 printf("\t-%s\t%s\n", optstrs[o].opt, optstrs[o].desc);
 130                                 printf("\t\t%s\n", optstrs[o].arg);
 131                                 printf("\t\tex) %s\n", optstrs[o].ex);
 132                                 f = 0;
 133                         }
 134         }
 135
 136         exit(0);
 137 }
 138
 139 //"<output_name>"
 140 static void
 141 parse_arg_qo(tdm_test_client *data, char *p)
 142 {
 143         strtostr(data->args.output_name, 512, p, DELIM);
 144 }
 145
 146 //"<output_name>[,<sync>][@<fps>][#<interval>][+<offset>][*fake]"
 147 static void
 148 parse_arg_v(tdm_test_client *data, char *p)
 149 {
 150         char *end = p;
 151
 152         end = strtostr(data->args.output_name, 512, p, DELIM);
 153
 154         if (*end == ',') {
 155                 p = end + 1;
 156                 data->args.sync = strtol(p, &end, 10);
 157         }
 158
 159         if (*end == '@') {
 160                 p = end + 1;
 161                 data->args.fps = strtol(p, &end, 10);
 162         }
 163
 164         if (*end == '#') {
 165                 p = end + 1;
 166                 data->args.interval = strtol(p, &end, 10);
 167         }
 168
 169         if (*end == '+' || *end == '-') {
 170                 p = end;
 171                 data->args.offset = strtol(p, &end, 10);
 172         }
 173
 174         if (*end == '*') {
 175                 p = end + 1;
 176                 data->args.enable_fake= strtol(p, &end, 10);
 177         }
 178 }
 179
 180 static void
 181 parse_args(tdm_test_client *data, int argc, char *argv[])
 182 {
 183         int size = sizeof(optstrs) / sizeof(struct optstrings);
 184         int i, j = 0;
 185
 186         if (argc < 2) {
 187                 usage(argv[0]);
 188                 exit(1);
 189         }
 190
 191         memset(data, 0, sizeof *data);
 192         data->args.interval = 1;
 193
 194         for (i = 1; i < argc; i++) {
 195                 for (j = 0; j < size; j++) {
 196                         if (!strncmp(argv[i]+1, "qo", 512)) {
 197                                 data->do_query = 1;
 198                                 parse_arg_qo(data, argv[++i]);
 199                                 break;
 200                         } else if (!strncmp(argv[i]+1, "v", 512)) {
 201                                 data->do_vblank = 1;
 202                                 parse_arg_v(data, argv[++i]);
 203                                 break;
 204                         } else {
 205                                 usage(argv[0]);
 206                                 exit(1);
 207                         }
 208                 }
 209         }
 210 }
 211
 212 static unsigned long
 213 get_time_in_micros(void)
 214 {
 215         struct timespec tp;
 216
 217         if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
 218                 return (unsigned long)(tp.tv_sec * 1000000) + (tp.tv_nsec / 1000L);
 219
 220         return 0;
 221 }
 222
 223 static void
 224 _client_vblank_handler(tdm_client_vblank *vblank, tdm_error error, unsigned int sequence,
 225                                            unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 226 {
 227         tdm_test_client *data = user_data;
 228         unsigned long cur, vbl;
 229         static unsigned long p_vbl = 0;
 230
 231         data->waiting = 0;
 232
 233         if (error == TDM_ERROR_DPMS_OFF) {
 234                 printf("exit: dpms off\n");
 235                 exit(1);
 236         }
 237
 238         if (error != TDM_ERROR_NONE) {
 239                 printf("exit: error(%d)\n", error);
 240                 exit(1);
 241         }
 242
 243         cur = get_time_in_micros();
 244         vbl = (unsigned long)tv_sec * (unsigned long)1000000 + (unsigned long)tv_usec;
 245
 246         printf("vblank              : %ld us vbl(%lu)\n", vbl - p_vbl, vbl);
 247
 248         if (cur - vbl > 2000) /* 2ms */
 249                 printf("kernel -> tdm-client: %ld us\n", cur - vbl);
 250
 251         p_vbl = vbl;
 252 }
 253
 254 static char *conn_str[3] = {"disconnected", "connected", "mode_setted"};
 255 static char *dpms_str[4] = {"on", "standy", "suspend", "off"};
 256
 257 static void
 258 _client_output_handler(tdm_client_output *output, tdm_output_change_type type,
 259                                            tdm_value value, void *user_data)
 260 {
 261         if (type == TDM_OUTPUT_CHANGE_CONNECTION)
 262                 printf("output %s.\n", conn_str[value.u32]);
 263         else if (type == TDM_OUTPUT_CHANGE_DPMS)
 264                 printf("dpms %s.\n", dpms_str[value.u32]);
 265 }
 266
 267 static void
 268 do_query(tdm_test_client *data)
 269 {
 270         tdm_client_output *output;
 271         tdm_output_conn_status status;
 272         tdm_output_dpms dpms;
 273         unsigned int refresh;
 274         tdm_error error;
 275
 276         output = tdm_client_get_output(data->client, NULL, &error);
 277         if (error != TDM_ERROR_NONE) {
 278                 printf("tdm_client_get_output failed\n");
 279                 return;
 280         }
 281
 282         tdm_client_output_get_conn_status(output, &status);
 283         tdm_client_output_get_dpms(output, &dpms);
 284         tdm_client_output_get_refresh_rate(output, &refresh);
 285
 286         printf("tdm_output \"%s\"\n", data->args.output_name);
 287         printf("\tstatus : %s\n", conn_str[status]);
 288         printf("\tdpms : %s\n", dpms_str[dpms]);
 289         printf("\trefresh : %d\n", refresh);
 290 }
 291
 292 static void
 293 do_vblank(tdm_test_client *data)
 294 {
 295         tdm_client_output *output;
 296         tdm_client_vblank *vblank = NULL;
 297         tdm_error error;
 298         int fd = -1;
 299         struct pollfd fds;
 300
 301         output = tdm_client_get_output(data->client, data->args.output_name, &error);
 302         if (error != TDM_ERROR_NONE) {
 303                 printf("tdm_client_get_output failed\n");
 304                 return;
 305         }
 306
 307         tdm_client_output_add_change_handler(output, _client_output_handler, NULL);
 308
 309         vblank = tdm_client_output_create_vblank(output, &error);
 310         if (error != TDM_ERROR_NONE) {
 311                 printf("tdm_client_output_create_vblank failed\n");
 312                 return;
 313         }
 314
 315         tdm_client_vblank_set_enable_fake(vblank, data->args.enable_fake);
 316         tdm_client_vblank_set_sync(vblank, data->args.sync);
 317         if (data->args.fps > 0)
 318                 tdm_client_vblank_set_fps(vblank, data->args.fps);
 319         tdm_client_vblank_set_offset(vblank, data->args.offset);
 320
 321         error = tdm_client_get_fd(data->client, &fd);
 322         if (error != TDM_ERROR_NONE || fd < 0) {
 323                 printf("tdm_client_get_fd failed\n");
 324                 goto done;
 325         }
 326
 327         fds.events = POLLIN;
 328         fds.fd = fd;
 329         fds.revents = 0;
 330
 331         while (1) {
 332                 int ret;
 333
 334                 if (!data->waiting) {
 335                         error = tdm_client_vblank_wait(vblank, data->args.interval,
 336                                                                                    _client_vblank_handler, data);
 337                         if (error == TDM_ERROR_DPMS_OFF) {
 338                                 printf("tdm_client_vblank_wait failed (dpms off)\n");
 339                                 goto done;
 340                         }
 341                         if (error != TDM_ERROR_NONE) {
 342                                 printf("tdm_client_vblank_wait failed (error: %d)\n", error);
 343                                 goto done;
 344                         }
 345                         data->waiting = 1;
 346                 }
 347
 348                 if (!data->args.sync) {
 349                         ret = poll(&fds, 1, -1);
 350                         if (ret < 0) {
 351                                 if (errno == EINTR || errno == EAGAIN)  /* normal case */
 352                                         continue;
 353                                 else {
 354                                         printf("poll failed: %m\n");
 355                                         goto done;
 356                                 }
 357                         }
 358
 359                         error = tdm_client_handle_events(data->client);
 360                         if (error != TDM_ERROR_NONE) {
 361                                 printf("tdm_client_handle_events failed\n");
 362                                 goto done;
 363                         }
 364                 }
 365         }
 366
 367 done:
 368         if (vblank)
 369                 tdm_client_vblank_destroy(vblank);
 370 }
 371
 372 static tdm_test_client ttc_data;
 373
 374 int
 375 main(int argc, char *argv[])
 376 {
 377         tdm_test_client *data = &ttc_data;
 378         tdm_error error;
 379
 380         parse_args(data, argc, argv);
 381
 382         printf("sync(%d) fps(%d) interval(%d) offset(%d) enable_fake(%d)\n",
 383                    data->args.sync, data->args.fps, data->args.interval,
 384                    data->args.offset, data->args.enable_fake);
 385
 386         data->client = tdm_client_create(&error);
 387         if (error != TDM_ERROR_NONE) {
 388                 printf("tdm_client_create failed\n");
 389                 goto done;
 390         }
 391
 392         if (data->do_query)
 393                 do_query(data);
 394         if (data->do_vblank)
 395                 do_vblank(data);
 396
 397 done:
 398         if (data->client)
 399                 tdm_client_destroy(data->client);
 400
 401         return 0;
 402 }