tests/modetest/modetest.c

   1 /*
   2  * DRM based mode setting test program
   3  * Copyright 2008 Tungsten Graphics
   4  *   Jakob Bornecrantz <jakob@tungstengraphics.com>
   5  * Copyright 2008 Intel Corporation
   6  *   Jesse Barnes <jesse.barnes@intel.com>
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included in
  16  * all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  24  * IN THE SOFTWARE.
  25  */
  26
  27 /*
  28  * This fairly simple test program dumps output in a similar format to the
  29  * "xrandr" tool everyone knows & loves.  It's necessarily slightly different
  30  * since the kernel separates outputs into encoder and connector structures,
  31  * each with their own unique ID.  The program also allows test testing of the
  32  * memory management and mode setting APIs by allowing the user to specify a
  33  * connector and mode to use for mode setting.  If all works as expected, a
  34  * blue background should be painted on the monitor attached to the specified
  35  * connector after the selected mode is set.
  36  *
  37  * TODO: use cairo to write the mode info on the selected output once
  38  *       the mode has been programmed, along with possible test patterns.
  39  */
  40 #include "config.h"
  41
  42 #include <assert.h>
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <stdint.h>
  46 #include <unistd.h>
  47 #include <string.h>
  48 #include <errno.h>
  49
  50 #include "xf86drm.h"
  51 #include "xf86drmMode.h"
  52 #include "intel_bufmgr.h"
  53
  54 #ifdef HAVE_CAIRO
  55 #include <math.h>
  56 #include <cairo.h>
  57 #endif
  58
  59 drmModeRes *resources;
  60 int fd, modes;
  61
  62 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
  63
  64 struct type_name {
  65         int type;
  66         char *name;
  67 };
  68
  69 #define type_name_fn(res) \
  70 char * res##_str(int type) {                    \
  71         int i;                                          \
  72         for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
  73                 if (res##_names[i].type == type)        \
  74                         return res##_names[i].name;     \
  75         }                                               \
  76         return "(invalid)";                             \
  77 }
  78
  79 struct type_name encoder_type_names[] = {
  80         { DRM_MODE_ENCODER_NONE, "none" },
  81         { DRM_MODE_ENCODER_DAC, "DAC" },
  82         { DRM_MODE_ENCODER_TMDS, "TMDS" },
  83         { DRM_MODE_ENCODER_LVDS, "LVDS" },
  84         { DRM_MODE_ENCODER_TVDAC, "TVDAC" },
  85 };
  86
  87 type_name_fn(encoder_type)
  88
  89 struct type_name connector_status_names[] = {
  90         { DRM_MODE_CONNECTED, "connected" },
  91         { DRM_MODE_DISCONNECTED, "disconnected" },
  92         { DRM_MODE_UNKNOWNCONNECTION, "unknown" },
  93 };
  94
  95 type_name_fn(connector_status)
  96
  97 struct type_name connector_type_names[] = {
  98         { DRM_MODE_CONNECTOR_Unknown, "unknown" },
  99         { DRM_MODE_CONNECTOR_VGA, "VGA" },
 100         { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
 101         { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
 102         { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
 103         { DRM_MODE_CONNECTOR_Composite, "composite" },
 104         { DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
 105         { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
 106         { DRM_MODE_CONNECTOR_Component, "component" },
 107         { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
 108         { DRM_MODE_CONNECTOR_DisplayPort, "displayport" },
 109         { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
 110         { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
 111 };
 112
 113 type_name_fn(connector_type)
 114
 115 void dump_encoders(void)
 116 {
 117         drmModeEncoder *encoder;
 118         int i;
 119
 120         printf("Encoders:\n");
 121         printf("id\tcrtc\ttype\tpossible crtcs\tpossible clones\t\n");
 122         for (i = 0; i < resources->count_encoders; i++) {
 123                 encoder = drmModeGetEncoder(fd, resources->encoders[i]);
 124
 125                 if (!encoder) {
 126                         fprintf(stderr, "could not get encoder %i: %s\n",
 127                                 resources->encoders[i], strerror(errno));
 128                         continue;
 129                 }
 130                 printf("%d\t%d\t%s\t0x%08x\t0x%08x\n",
 131                        encoder->encoder_id,
 132                        encoder->crtc_id,
 133                        encoder_type_str(encoder->encoder_type),
 134                        encoder->possible_crtcs,
 135                        encoder->possible_clones);
 136                 drmModeFreeEncoder(encoder);
 137         }
 138         printf("\n");
 139 }
 140
 141 void dump_mode(drmModeModeInfo *mode)
 142 {
 143         printf("  %s %.02f %d %d %d %d %d %d %d %d\n",
 144                mode->name,
 145                (float)mode->vrefresh / 1000,
 146                mode->hdisplay,
 147                mode->hsync_start,
 148                mode->hsync_end,
 149                mode->htotal,
 150                mode->vdisplay,
 151                mode->vsync_start,
 152                mode->vsync_end,
 153                mode->vtotal);
 154 }
 155
 156 static void
 157 dump_props(drmModeConnector *connector)
 158 {
 159         drmModePropertyPtr props;
 160         int i;
 161
 162         for (i = 0; i < connector->count_props; i++) {
 163                 props = drmModeGetProperty(fd, connector->props[i]);
 164                 printf("\t%s, flags %d\n", props->name, props->flags);
 165                 drmModeFreeProperty(props);
 166         }
 167 }
 168
 169 void dump_connectors(void)
 170 {
 171         drmModeConnector *connector;
 172         int i, j;
 173
 174         printf("Connectors:\n");
 175         printf("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\n");
 176         for (i = 0; i < resources->count_connectors; i++) {
 177                 connector = drmModeGetConnector(fd, resources->connectors[i]);
 178
 179                 if (!connector) {
 180                         fprintf(stderr, "could not get connector %i: %s\n",
 181                                 resources->connectors[i], strerror(errno));
 182                         continue;
 183                 }
 184
 185                 printf("%d\t%d\t%s\t%s\t%dx%d\t\t%d\n",
 186                        connector->connector_id,
 187                        connector->encoder_id,
 188                        connector_status_str(connector->connection),
 189                        connector_type_str(connector->connector_type),
 190                        connector->mmWidth, connector->mmHeight,
 191                        connector->count_modes);
 192
 193                 if (!connector->count_modes)
 194                         continue;
 195
 196                 printf("  modes:\n");
 197                 printf("  name refresh (Hz) hdisp hss hse htot vdisp "
 198                        "vss vse vtot)\n");
 199                 for (j = 0; j < connector->count_modes; j++)
 200                         dump_mode(&connector->modes[j]);
 201
 202                 drmModeFreeConnector(connector);
 203
 204                 printf("  props:\n");
 205                 dump_props(connector);
 206         }
 207         printf("\n");
 208 }
 209
 210 void dump_crtcs(void)
 211 {
 212         drmModeCrtc *crtc;
 213         int i;
 214
 215         printf("CRTCs:\n");
 216         printf("id\tfb\tpos\tsize\n");
 217         for (i = 0; i < resources->count_crtcs; i++) {
 218                 crtc = drmModeGetCrtc(fd, resources->crtcs[i]);
 219
 220                 if (!crtc) {
 221                         fprintf(stderr, "could not get crtc %i: %s\n",
 222                                 resources->crtcs[i], strerror(errno));
 223                         continue;
 224                 }
 225                 printf("%d\t%d\t(%d,%d)\t(%dx%d)\n",
 226                        crtc->crtc_id,
 227                        crtc->buffer_id,
 228                        crtc->x, crtc->y,
 229                        crtc->width, crtc->height);
 230                 dump_mode(&crtc->mode);
 231
 232                 drmModeFreeCrtc(crtc);
 233         }
 234         printf("\n");
 235 }
 236
 237 void dump_framebuffers(void)
 238 {
 239         drmModeFB *fb;
 240         int i;
 241
 242         printf("Frame buffers:\n");
 243         printf("id\tsize\tpitch\n");
 244         for (i = 0; i < resources->count_fbs; i++) {
 245                 fb = drmModeGetFB(fd, resources->fbs[i]);
 246
 247                 if (!fb) {
 248                         fprintf(stderr, "could not get fb %i: %s\n",
 249                                 resources->fbs[i], strerror(errno));
 250                         continue;
 251                 }
 252                 printf("%d\t(%dx%d)\t%d\n",
 253                        fb->fb_id,
 254                        fb->width, fb->height);
 255
 256                 drmModeFreeFB(fb);
 257         }
 258         printf("\n");
 259 }
 260
 261 /*
 262  * Mode setting with the kernel interfaces is a bit of a chore.
 263  * First you have to find the connector in question and make sure the
 264  * requested mode is available.
 265  * Then you need to find the encoder attached to that connector so you
 266  * can bind it with a free crtc.
 267  */
 268 struct connector {
 269         int id;
 270         char mode_str[64];
 271         drmModeModeInfo *mode;
 272         drmModeEncoder *encoder;
 273         int crtc;
 274 };
 275
 276 static void
 277 connector_find_mode(struct connector *c)
 278 {
 279         drmModeConnector *connector;
 280         int i, j, size, ret, width, height;
 281
 282         /* First, find the connector & mode */
 283         c->mode = NULL;
 284         for (i = 0; i < resources->count_connectors; i++) {
 285                 connector = drmModeGetConnector(fd, resources->connectors[i]);
 286
 287                 if (!connector) {
 288                         fprintf(stderr, "could not get connector %i: %s\n",
 289                                 resources->connectors[i], strerror(errno));
 290                         drmModeFreeConnector(connector);
 291                         continue;
 292                 }
 293
 294                 if (!connector->count_modes) {
 295                         drmModeFreeConnector(connector);
 296                         continue;
 297                 }
 298
 299                 if (connector->connector_id != c->id) {
 300                         drmModeFreeConnector(connector);
 301                         continue;
 302                 }
 303
 304                 for (j = 0; j < connector->count_modes; j++) {
 305                         c->mode = &connector->modes[j];
 306                         if (!strcmp(c->mode->name, c->mode_str))
 307                                 break;
 308                 }
 309
 310                 /* Found it, break out */
 311                 if (c->mode)
 312                         break;
 313
 314                 drmModeFreeConnector(connector);
 315         }
 316
 317         if (!c->mode) {
 318                 fprintf(stderr, "failed to find mode \"%s\"\n", c->mode_str);
 319                 return;
 320         }
 321
 322         /* Now get the encoder */
 323         for (i = 0; i < resources->count_encoders; i++) {
 324                 c->encoder = drmModeGetEncoder(fd, resources->encoders[i]);
 325
 326                 if (!c->encoder) {
 327                         fprintf(stderr, "could not get encoder %i: %s\n",
 328                                 resources->encoders[i], strerror(errno));
 329                         drmModeFreeEncoder(c->encoder);
 330                         continue;
 331                 }
 332
 333                 if (c->encoder->encoder_id  == connector->encoder_id)
 334                         break;
 335
 336                 drmModeFreeEncoder(c->encoder);
 337         }
 338
 339         if (c->crtc == -1)
 340                 c->crtc = c->encoder->crtc_id;
 341 }
 342
 343 #ifdef HAVE_CAIRO
 344
 345 static int
 346 create_test_buffer(drm_intel_bufmgr *bufmgr,
 347                    int width, int height, int *stride_out, drm_intel_bo **bo_out)
 348 {
 349         drm_intel_bo *bo;
 350         unsigned int *fb_ptr;
 351         int size, ret, i, stride;
 352         div_t d;
 353         cairo_surface_t *surface;
 354         cairo_t *cr;
 355         char buf[64];
 356         int x, y;
 357
 358         surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
 359         stride = cairo_image_surface_get_stride(surface);
 360         size = stride * height;
 361         fb_ptr = (unsigned int *) cairo_image_surface_get_data(surface);
 362
 363         /* paint the buffer with colored tiles */
 364         for (i = 0; i < width * height; i++) {
 365                 d = div(i, width);
 366                 fb_ptr[i] = 0x00130502 * (d.quot >> 6) + 0x000a1120 * (d.rem >> 6);
 367         }
 368
 369         cr = cairo_create(surface);
 370         cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
 371         for (x = 0; x < width; x += 250)
 372                 for (y = 0; y < height; y += 250) {
 373                         cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
 374                         cairo_move_to(cr, x, y - 20);
 375                         cairo_line_to(cr, x, y + 20);
 376                         cairo_move_to(cr, x - 20, y);
 377                         cairo_line_to(cr, x + 20, y);
 378                         cairo_new_sub_path(cr);
 379                         cairo_arc(cr, x, y, 10, 0, M_PI * 2);
 380                         cairo_set_line_width(cr, 4);
 381                         cairo_set_source_rgb(cr, 0, 0, 0);
 382                         cairo_stroke_preserve(cr);
 383                         cairo_set_source_rgb(cr, 1, 1, 1);
 384                         cairo_set_line_width(cr, 2);
 385                         cairo_stroke(cr);
 386                         snprintf(buf, sizeof buf, "%d, %d", x, y);
 387                         cairo_move_to(cr, x + 20, y + 20);
 388                         cairo_text_path(cr, buf);
 389                         cairo_set_source_rgb(cr, 0, 0, 0);
 390                         cairo_stroke_preserve(cr);
 391                         cairo_set_source_rgb(cr, 1, 1, 1);
 392                         cairo_fill(cr);
 393                 }
 394
 395         cairo_destroy(cr);
 396
 397         bo = drm_intel_bo_alloc(bufmgr, "frontbuffer", size, 4096);
 398         if (!bo) {
 399                 fprintf(stderr, "failed to alloc buffer: %s\n",
 400                         strerror(errno));
 401                 return -1;
 402         }
 403
 404         drm_intel_bo_subdata(bo, 0, size, fb_ptr);
 405
 406         cairo_surface_destroy(surface);
 407
 408         *bo_out = bo;
 409         *stride_out = stride;
 410
 411         return 0;
 412 }
 413
 414 #else
 415
 416 static int
 417 create_test_buffer(drm_intel_bufmgr *bufmgr,
 418                    int width, int height, int *stride_out, drm_intel_bo **bo_out)
 419 {
 420         drm_intel_bo *bo;
 421         unsigned int *fb_ptr;
 422         int size, ret, i, stride;
 423         div_t d;
 424
 425         /* Mode size at 32 bpp */
 426         stride = width * 4;
 427         size = stride * height;
 428
 429         bo = drm_intel_bo_alloc(bufmgr, "frontbuffer", size, 4096);
 430         if (!bo) {
 431                 fprintf(stderr, "failed to alloc buffer: %s\n",
 432                         strerror(errno));
 433                 return -1;
 434         }
 435
 436         ret = drm_intel_gem_bo_map_gtt(bo);
 437         if (ret) {
 438                 fprintf(stderr, "failed to GTT map buffer: %s\n",
 439                         strerror(errno));
 440                 return -1;
 441         }
 442
 443         fb_ptr = bo->virtual;
 444
 445         /* paint the buffer with colored tiles */
 446         for (i = 0; i < width * height; i++) {
 447                 d = div(i, width);
 448                 fb_ptr[i] = 0x00130502 * (d.quot >> 6) + 0x000a1120 * (d.rem >> 6);
 449         }
 450         drm_intel_bo_unmap(bo);
 451
 452         *bo_out = bo;
 453         *stride_out = stride;
 454
 455         return 0;
 456 }
 457
 458 #endif
 459
 460 static void
 461 set_mode(struct connector *c, int count)
 462 {
 463         drmModeConnector *connector;
 464         drmModeEncoder *encoder = NULL;
 465         struct drm_mode_modeinfo *mode = NULL;
 466         drm_intel_bufmgr *bufmgr;
 467         drm_intel_bo *bo;
 468         unsigned int fb_id;
 469         int i, j, ret, width, height, x, stride;
 470
 471         width = 0;
 472         height = 0;
 473         for (i = 0; i < count; i++) {
 474                 connector_find_mode(&c[i]);
 475                 if (c[i].mode == NULL)
 476                         continue;
 477                 width += c[i].mode->hdisplay;
 478                 if (height < c[i].mode->vdisplay)
 479                         height = c[i].mode->vdisplay;
 480         }
 481
 482         bufmgr = drm_intel_bufmgr_gem_init(fd, 2<<20);
 483         if (!bufmgr) {
 484                 fprintf(stderr, "failed to init bufmgr: %s\n", strerror(errno));
 485                 return;
 486         }
 487
 488         if (create_test_buffer(bufmgr, width, height, &stride, &bo))
 489                 return;
 490
 491         ret = drmModeAddFB(fd, width, height, 32, 32, stride, bo->handle,
 492                            &fb_id);
 493         if (ret) {
 494                 fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
 495                 return;
 496         }
 497
 498         x = 0;
 499         for (i = 0; i < count; i++) {
 500                 int crtc_id;
 501                 if (c[i].mode == NULL)
 502                         continue;
 503
 504                 printf("setting mode %s on connector %d, crtc %d\n",
 505                        c[i].mode_str, c[i].id, c[i].crtc);
 506
 507                 ret = drmModeSetCrtc(fd, c[i].crtc, fb_id, x, 0,
 508                                      &c[i].id, 1, c[i].mode);
 509                 x += c[i].mode->hdisplay;
 510
 511                 if (ret) {
 512                         fprintf(stderr, "failed to set mode: %s\n", strerror(errno));
 513                         return;
 514                 }
 515         }
 516 }
 517
 518 extern char *optarg;
 519 extern int optind, opterr, optopt;
 520 static char optstr[] = "ecpmfs:";
 521
 522 void usage(char *name)
 523 {
 524         fprintf(stderr, "usage: %s [-ecpmf]\n", name);
 525         fprintf(stderr, "\t-e\tlist encoders\n");
 526         fprintf(stderr, "\t-c\tlist connectors\n");
 527         fprintf(stderr, "\t-p\tlist CRTCs (pipes)\n");
 528         fprintf(stderr, "\t-m\tlist modes\n");
 529         fprintf(stderr, "\t-f\tlist framebuffers\n");
 530         fprintf(stderr, "\t-s <connector_id>:<mode>\tset a mode\n");
 531         fprintf(stderr, "\t-s <connector_id>@<crtc_id>:<mode>\tset a mode\n");
 532         fprintf(stderr, "\n\tDefault is to dump all info.\n");
 533         exit(0);
 534 }
 535
 536 #define dump_resource(res) if (res) dump_##res()
 537
 538 int main(int argc, char **argv)
 539 {
 540         int c;
 541         int encoders = 0, connectors = 0, crtcs = 0, framebuffers = 0;
 542         char *modules[] = { "i915", "radeon" };
 543         char *modeset = NULL, *mode, *connector;
 544         int i, connector_id, count = 0;
 545         struct connector con_args[2];
 546
 547         opterr = 0;
 548         while ((c = getopt(argc, argv, optstr)) != -1) {
 549                 switch (c) {
 550                 case 'e':
 551                         encoders = 1;
 552                         break;
 553                 case 'c':
 554                         connectors = 1;
 555                         break;
 556                 case 'p':
 557                         crtcs = 1;
 558                         break;
 559                 case 'm':
 560                         modes = 1;
 561                         break;
 562                 case 'f':
 563                         framebuffers = 1;
 564                         break;
 565                 case 's':
 566                         modeset = strdup(optarg);
 567                         con_args[count].crtc = -1;
 568                         if (sscanf(optarg, "%d:%64s",
 569                                    &con_args[count].id,
 570                                    &con_args[count].mode_str) != 2 &&
 571                             sscanf(optarg, "%d@%d:%64s",
 572                                    &con_args[count].id,
 573                                    &con_args[count].crtc,
 574                                    &con_args[count].mode_str) != 3)
 575                                 usage(argv[0]);
 576                         count++;
 577                         break;
 578                 default:
 579                         usage(argv[0]);
 580                         break;
 581                 }
 582         }
 583
 584         if (argc == 1)
 585                 encoders = connectors = crtcs = modes = framebuffers = 1;
 586
 587         for (i = 0; i < ARRAY_SIZE(modules); i++) {
 588                 printf("trying to load module %s...", modules[i]);
 589                 fd = drmOpen(modules[i], NULL);
 590                 if (fd < 0) {
 591                         printf("failed.\n");
 592                 } else {
 593                         printf("success.\n");
 594                         break;
 595                 }
 596         }
 597
 598         if (i == ARRAY_SIZE(modules)) {
 599                 fprintf(stderr, "failed to load any modules, aborting.\n");
 600                 return -1;
 601         }
 602
 603         resources = drmModeGetResources(fd);
 604         if (!resources) {
 605                 fprintf(stderr, "drmModeGetResources failed: %s\n",
 606                         strerror(errno));
 607                 drmClose(fd);
 608                 return 1;
 609         }
 610
 611         dump_resource(encoders);
 612         dump_resource(connectors);
 613         dump_resource(crtcs);
 614         dump_resource(framebuffers);
 615
 616         if (count > 0) {
 617                 set_mode(con_args, count);
 618                 getchar();
 619         }
 620
 621         drmModeFreeResources(resources);
 622
 623         return 0;
 624 }