1 /*
2 * \file modedemo.c
3 * Test program to dump DRM kernel mode setting related information.
4 * Queries the kernel for all available information and dumps it to stdout.
5 *
6 * \author Jakob Bornecrantz <wallbraker@gmail.com>
7 */
8
9 /*
10 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
11 * Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker@gmail.com>
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a
14 * copy of this software and associated documentation files (the "Software"),
15 * to deal in the Software without restriction, including without limitation
16 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17 * and/or sell copies of the Software, and to permit persons to whom the
18 * Software is furnished to do so, subject to the following conditions:
19 *
20 * The above copyright notice and this permission notice shall be included in
21 * all copies or substantial portions of the Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
26 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29 * IN THE SOFTWARE.
30 *
31 */
32
33 #include <assert.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <stdint.h>
37 #include <unistd.h>
38 #include <string.h>
39 #include <inttypes.h>
40
41 #include "xf86drm.h"
42 #include "xf86drmMode.h"
43
44 #include "util/common.h"
45 #include "util/kms.h"
46
47 int current;
48 int connectors;
49 int full_props;
50 int edid;
51 int modes;
52 int full_modes;
53 int encoders;
54 int crtcs;
55 int fbs;
56 char *module_name;
57
printMode(struct drm_mode_modeinfo * mode)58 static int printMode(struct drm_mode_modeinfo *mode)
59 {
60 if (full_modes) {
61 printf("Mode: %s\n", mode->name);
62 printf("\tclock : %i\n", mode->clock);
63 printf("\thdisplay : %i\n", mode->hdisplay);
64 printf("\thsync_start : %i\n", mode->hsync_start);
65 printf("\thsync_end : %i\n", mode->hsync_end);
66 printf("\thtotal : %i\n", mode->htotal);
67 printf("\thskew : %i\n", mode->hskew);
68 printf("\tvdisplay : %i\n", mode->vdisplay);
69 printf("\tvsync_start : %i\n", mode->vsync_start);
70 printf("\tvsync_end : %i\n", mode->vsync_end);
71 printf("\tvtotal : %i\n", mode->vtotal);
72 printf("\tvscan : %i\n", mode->vscan);
73 printf("\tvrefresh : %i\n", mode->vrefresh);
74 printf("\tflags : %i\n", mode->flags);
75 } else {
76 printf("Mode: \"%s\" %ix%i %i\n", mode->name,
77 mode->hdisplay, mode->vdisplay, mode->vrefresh);
78 }
79 return 0;
80 }
81
printProperty(int fd,drmModeResPtr res,drmModePropertyPtr props,uint64_t value)82 static int printProperty(int fd, drmModeResPtr res, drmModePropertyPtr props, uint64_t value)
83 {
84 const char *name = NULL;
85 int j;
86
87 printf("Property: %s\n", props->name);
88 printf("\tid : %i\n", props->prop_id);
89 printf("\tflags : %i\n", props->flags);
90 printf("\tcount_values : %d\n", props->count_values);
91
92
93 if (props->count_values) {
94 printf("\tvalues :");
95 for (j = 0; j < props->count_values; j++)
96 printf(" %" PRIu64, props->values[j]);
97 printf("\n");
98 }
99
100
101 printf("\tcount_enums : %d\n", props->count_enums);
102
103 if (props->flags & DRM_MODE_PROP_BLOB) {
104 drmModePropertyBlobPtr blob;
105
106 blob = drmModeGetPropertyBlob(fd, value);
107 if (blob) {
108 printf("blob is %d length, %08X\n", blob->length, *(uint32_t *)blob->data);
109 drmModeFreePropertyBlob(blob);
110 } else {
111 printf("error getting blob %" PRIu64 "\n", value);
112 }
113
114 } else {
115 for (j = 0; j < props->count_enums; j++) {
116 printf("\t\t%" PRIu64" = %s\n", (uint64_t)props->enums[j].value, props->enums[j].name);
117 if (props->enums[j].value == value)
118 name = props->enums[j].name;
119 }
120
121 if (props->count_enums && name) {
122 printf("\tcon_value : %s\n", name);
123 } else {
124 printf("\tcon_value : %" PRIu64 "\n", value);
125 }
126 }
127
128 return 0;
129 }
130
printConnector(int fd,drmModeResPtr res,drmModeConnectorPtr connector,uint32_t id)131 static int printConnector(int fd, drmModeResPtr res, drmModeConnectorPtr connector, uint32_t id)
132 {
133 int i = 0;
134 struct drm_mode_modeinfo *mode = NULL;
135 drmModePropertyPtr props;
136 const char *connector_type_name = NULL;
137
138 connector_type_name = util_lookup_connector_type_name(connector->connector_type);
139
140 if (connector_type_name)
141 printf("Connector: %s-%d\n", connector_type_name,
142 connector->connector_type_id);
143 else
144 printf("Connector: %d-%d\n", connector->connector_type,
145 connector->connector_type_id);
146 printf("\tid : %i\n", id);
147 printf("\tencoder id : %i\n", connector->encoder_id);
148 printf("\tconn : %s\n", util_lookup_connector_status_name(connector->connection));
149 printf("\tsize : %ix%i (mm)\n", connector->mmWidth, connector->mmHeight);
150 printf("\tcount_modes : %i\n", connector->count_modes);
151 printf("\tcount_props : %i\n", connector->count_props);
152 if (connector->count_props) {
153 printf("\tprops :");
154 for (i = 0; i < connector->count_props; i++)
155 printf(" %i", connector->props[i]);
156 printf("\n");
157 }
158
159 printf("\tcount_encoders : %i\n", connector->count_encoders);
160 if (connector->count_encoders) {
161 printf("\tencoders :");
162 for (i = 0; i < connector->count_encoders; i++)
163 printf(" %i", connector->encoders[i]);
164 printf("\n");
165 }
166
167 if (modes) {
168 for (i = 0; i < connector->count_modes; i++) {
169 mode = (struct drm_mode_modeinfo *)&connector->modes[i];
170 printMode(mode);
171 }
172 }
173
174 if (full_props) {
175 for (i = 0; i < connector->count_props; i++) {
176 props = drmModeGetProperty(fd, connector->props[i]);
177 if (props) {
178 printProperty(fd, res, props, connector->prop_values[i]);
179 drmModeFreeProperty(props);
180 }
181 }
182 }
183
184 return 0;
185 }
186
printEncoder(int fd,drmModeResPtr res,drmModeEncoderPtr encoder,uint32_t id)187 static int printEncoder(int fd, drmModeResPtr res, drmModeEncoderPtr encoder, uint32_t id)
188 {
189 const char *encoder_name;
190
191 encoder_name = util_lookup_encoder_type_name(encoder->encoder_type);
192 if (encoder_name)
193 printf("Encoder: %s\n", encoder_name);
194 else
195 printf("Encoder\n");
196 printf("\tid :%i\n", id);
197 printf("\tcrtc_id :%d\n", encoder->crtc_id);
198 printf("\ttype :%d\n", encoder->encoder_type);
199 printf("\tpossible_crtcs :0x%x\n", encoder->possible_crtcs);
200 printf("\tpossible_clones :0x%x\n", encoder->possible_clones);
201 return 0;
202 }
203
printCrtc(int fd,drmModeResPtr res,drmModeCrtcPtr crtc,uint32_t id)204 static int printCrtc(int fd, drmModeResPtr res, drmModeCrtcPtr crtc, uint32_t id)
205 {
206 printf("Crtc\n");
207 printf("\tid : %i\n", id);
208 printf("\tx : %i\n", crtc->x);
209 printf("\ty : %i\n", crtc->y);
210 printf("\twidth : %i\n", crtc->width);
211 printf("\theight : %i\n", crtc->height);
212 printf("\tmode : %p\n", &crtc->mode);
213 printf("\tgamma size : %d\n", crtc->gamma_size);
214
215 return 0;
216 }
217
printFrameBuffer(int fd,drmModeResPtr res,drmModeFBPtr fb)218 static int printFrameBuffer(int fd, drmModeResPtr res, drmModeFBPtr fb)
219 {
220 printf("Framebuffer\n");
221 printf("\thandle : %i\n", fb->handle);
222 printf("\twidth : %i\n", fb->width);
223 printf("\theight : %i\n", fb->height);
224 printf("\tpitch : %i\n", fb->pitch);
225 printf("\tbpp : %i\n", fb->bpp);
226 printf("\tdepth : %i\n", fb->depth);
227 printf("\tbuffer_id : %i\n", fb->handle);
228
229 return 0;
230 }
231
printRes(int fd,drmModeResPtr res)232 static int printRes(int fd, drmModeResPtr res)
233 {
234 int i;
235 drmModeFBPtr fb;
236 drmModeCrtcPtr crtc;
237 drmModeEncoderPtr encoder;
238 drmModeConnectorPtr connector;
239
240 printf("Resources\n\n");
241
242 printf("count_connectors : %i\n", res->count_connectors);
243 printf("count_encoders : %i\n", res->count_encoders);
244 printf("count_crtcs : %i\n", res->count_crtcs);
245 printf("count_fbs : %i\n", res->count_fbs);
246
247 printf("\n");
248
249 if (connectors) {
250 for (i = 0; i < res->count_connectors; i++) {
251 connector = (current ? drmModeGetConnectorCurrent : drmModeGetConnector) (fd, res->connectors[i]);
252
253 if (!connector)
254 printf("Could not get connector %i\n", res->connectors[i]);
255 else {
256 printConnector(fd, res, connector, res->connectors[i]);
257 drmModeFreeConnector(connector);
258 }
259 }
260 printf("\n");
261 }
262
263
264 if (encoders) {
265 for (i = 0; i < res->count_encoders; i++) {
266 encoder = drmModeGetEncoder(fd, res->encoders[i]);
267
268 if (!encoder)
269 printf("Could not get encoder %i\n", res->encoders[i]);
270 else {
271 printEncoder(fd, res, encoder, res->encoders[i]);
272 drmModeFreeEncoder(encoder);
273 }
274 }
275 printf("\n");
276 }
277
278 if (crtcs) {
279 for (i = 0; i < res->count_crtcs; i++) {
280 crtc = drmModeGetCrtc(fd, res->crtcs[i]);
281
282 if (!crtc)
283 printf("Could not get crtc %i\n", res->crtcs[i]);
284 else {
285 printCrtc(fd, res, crtc, res->crtcs[i]);
286 drmModeFreeCrtc(crtc);
287 }
288 }
289 printf("\n");
290 }
291
292 if (fbs) {
293 for (i = 0; i < res->count_fbs; i++) {
294 fb = drmModeGetFB(fd, res->fbs[i]);
295
296 if (!fb)
297 printf("Could not get fb %i\n", res->fbs[i]);
298 else {
299 printFrameBuffer(fd, res, fb);
300 drmModeFreeFB(fb);
301 }
302 }
303 }
304
305 return 0;
306 }
307
args(int argc,char ** argv)308 static void args(int argc, char **argv)
309 {
310 int defaults = 1;
311 int i;
312
313 fbs = 0;
314 edid = 0;
315 crtcs = 0;
316 modes = 0;
317 encoders = 0;
318 full_modes = 0;
319 full_props = 0;
320 connectors = 0;
321 current = 0;
322
323 module_name = argv[1];
324
325 for (i = 2; i < argc; i++) {
326 if (strcmp(argv[i], "-fb") == 0) {
327 fbs = 1;
328 defaults = 0;
329 } else if (strcmp(argv[i], "-crtcs") == 0) {
330 crtcs = 1;
331 defaults = 0;
332 } else if (strcmp(argv[i], "-cons") == 0) {
333 connectors = 1;
334 modes = 1;
335 defaults = 0;
336 } else if (strcmp(argv[i], "-modes") == 0) {
337 connectors = 1;
338 modes = 1;
339 defaults = 0;
340 } else if (strcmp(argv[i], "-full") == 0) {
341 connectors = 1;
342 modes = 1;
343 full_modes = 1;
344 defaults = 0;
345 } else if (strcmp(argv[i], "-props") == 0) {
346 connectors = 1;
347 full_props = 1;
348 defaults = 0;
349 } else if (strcmp(argv[i], "-edids") == 0) {
350 connectors = 1;
351 edid = 1;
352 defaults = 0;
353 } else if (strcmp(argv[i], "-encoders") == 0) {
354 encoders = 1;
355 defaults = 0;
356 } else if (strcmp(argv[i], "-v") == 0) {
357 fbs = 1;
358 edid = 1;
359 crtcs = 1;
360 modes = 1;
361 encoders = 1;
362 full_modes = 1;
363 full_props = 1;
364 connectors = 1;
365 defaults = 0;
366 } else if (strcmp(argv[i], "-current") == 0) {
367 current = 1;
368 }
369 }
370
371 if (defaults) {
372 fbs = 1;
373 edid = 1;
374 crtcs = 1;
375 modes = 1;
376 encoders = 1;
377 full_modes = 0;
378 full_props = 0;
379 connectors = 1;
380 }
381 }
382
main(int argc,char ** argv)383 int main(int argc, char **argv)
384 {
385 int fd;
386 drmModeResPtr res;
387
388 if (argc == 1) {
389 printf("Please add modulename as first argument\n");
390 return 1;
391 }
392
393 args(argc, argv);
394
395 printf("Starting test\n");
396
397 fd = drmOpen(module_name, NULL);
398
399 if (fd < 0) {
400 printf("Failed to open the card fd (%d)\n",fd);
401 return 1;
402 }
403
404 res = drmModeGetResources(fd);
405 if (res == 0) {
406 printf("Failed to get resources from card\n");
407 drmClose(fd);
408 return 1;
409 }
410
411 printRes(fd, res);
412
413 drmModeFreeResources(res);
414
415 printf("Ok\n");
416
417 return 0;
418 }
419