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%" PRId64 " = %s\n", 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