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 #include <assert.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <stdint.h>
12 #include <unistd.h>
13 #include <string.h>
14 #include <errno.h>
16 #include "xf86drm.h"
17 #include "xf86drmMode.h"
18 #include "intel_bufmgr.h"
20 drmModeRes *resources;
21 int fd, modes;
23 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
25 struct type_name {
26 int type;
27 char *name;
28 };
30 #define type_name_fn(res) \
31 char * res##_str(int type) { \
32 int i; \
33 for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
34 if (res##_names[i].type == type) \
35 return res##_names[i].name; \
36 } \
37 return "(invalid)"; \
38 }
40 struct type_name encoder_type_names[] = {
41 { DRM_MODE_ENCODER_NONE, "none" },
42 { DRM_MODE_ENCODER_DAC, "DAC" },
43 { DRM_MODE_ENCODER_TMDS, "TMDS" },
44 { DRM_MODE_ENCODER_LVDS, "LVDS" },
45 { DRM_MODE_ENCODER_TVDAC, "TVDAC" },
46 };
48 type_name_fn(encoder_type)
50 struct type_name connector_status_names[] = {
51 { DRM_MODE_CONNECTED, "connected" },
52 { DRM_MODE_DISCONNECTED, "disconnected" },
53 { DRM_MODE_UNKNOWNCONNECTION, "unknown" },
54 };
56 type_name_fn(connector_status)
58 struct type_name connector_type_names[] = {
59 { DRM_MODE_CONNECTOR_Unknown, "unknown" },
60 { DRM_MODE_CONNECTOR_VGA, "VGA" },
61 { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
62 { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
63 { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
64 { DRM_MODE_CONNECTOR_Composite, "composite" },
65 { DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
66 { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
67 { DRM_MODE_CONNECTOR_Component, "component" },
68 { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
69 { DRM_MODE_CONNECTOR_DisplayPort, "displayport" },
70 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
71 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
72 };
74 type_name_fn(connector_type)
76 void dump_encoders(void)
77 {
78 drmModeEncoder *encoder;
79 int i;
81 printf("Encoders:\n");
82 printf("id\tcrtc\ttype\tpossible crtcs\tpossible clones\t\n");
83 for (i = 0; i < resources->count_encoders; i++) {
84 encoder = drmModeGetEncoder(fd, resources->encoders[i]);
86 if (!encoder) {
87 fprintf(stderr, "could not get encoder %i: %s\n",
88 resources->encoders[i], strerror(errno));
89 continue;
90 }
91 printf("%d\t%d\t%s\t0x%08x\t0x%08x\n",
92 encoder->encoder_id,
93 encoder->crtc_id,
94 encoder_type_str(encoder->encoder_type),
95 encoder->possible_crtcs,
96 encoder->possible_clones);
97 drmModeFreeEncoder(encoder);
98 }
99 }
101 void dump_connectors(void)
102 {
103 drmModeConnector *connector;
104 int i, j;
106 printf("Connectors:\n");
107 printf("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\n");
108 for (i = 0; i < resources->count_connectors; i++) {
109 connector = drmModeGetConnector(fd, resources->connectors[i]);
111 if (!connector) {
112 fprintf(stderr, "could not get connector %i: %s\n",
113 resources->connectors[i], strerror(errno));
114 continue;
115 }
117 printf("%d\t%d\t%s\t%s\t%dx%d\t\t%d\n",
118 connector->connector_id,
119 connector->encoder_id,
120 connector_status_str(connector->connection),
121 connector_type_str(connector->connector_type),
122 connector->mmWidth, connector->mmHeight,
123 connector->count_modes);
125 if (!connector->count_modes)
126 continue;
128 printf(" modes:\n");
129 printf(" name refresh (Hz) hdisp hss hse htot vdisp "
130 "vss vse vtot)\n");
131 for (j = 0; j < connector->count_modes; j++) {
132 struct drm_mode_modeinfo *mode;
134 mode = &connector->modes[j];
135 printf(" %s %.02f %d %d %d %d %d %d %d %d\n",
136 mode->name,
137 (float)mode->vrefresh / 1000,
138 mode->hdisplay,
139 mode->hsync_start,
140 mode->hsync_end,
141 mode->htotal,
142 mode->vdisplay,
143 mode->vsync_start,
144 mode->vsync_end,
145 mode->vtotal);
146 }
147 drmModeFreeConnector(connector);
148 }
149 }
151 void dump_crtcs(void)
152 {
153 drmModeCrtc *crtc;
154 int i;
156 for (i = 0; i < resources->count_crtcs; i++) {
157 crtc = drmModeGetCrtc(fd, resources->crtcs[i]);
159 if (!crtc) {
160 fprintf(stderr, "could not get crtc %i: %s\n",
161 resources->crtcs[i], strerror(errno));
162 continue;
163 }
164 drmModeFreeCrtc(crtc);
165 }
166 }
168 void dump_framebuffers(void)
169 {
170 drmModeFB *fb;
171 int i;
173 for (i = 0; i < resources->count_fbs; i++) {
174 fb = drmModeGetFB(fd, resources->fbs[i]);
176 if (!fb) {
177 fprintf(stderr, "could not get fb %i: %s\n",
178 resources->fbs[i], strerror(errno));
179 continue;
180 }
181 drmModeFreeFB(fb);
182 }
183 }
185 void set_mode(int connector_id, char *mode_str)
186 {
187 drmModeConnector *connector;
188 drmModeEncoder *encoder = NULL;
189 struct drm_mode_modeinfo *mode = NULL;
190 drm_intel_bufmgr *bufmgr;
191 drm_intel_bo *bo;
192 unsigned int fb_id, *fb_ptr;
193 int i, j, size, ret, width, height;
195 /* First, find the connector & mode */
196 for (i = 0; i < resources->count_connectors; i++) {
197 connector = drmModeGetConnector(fd, resources->connectors[i]);
199 if (!connector) {
200 fprintf(stderr, "could not get connector %i: %s\n",
201 resources->connectors[i], strerror(errno));
202 drmModeFreeConnector(connector);
203 continue;
204 }
206 if (!connector->count_modes) {
207 drmModeFreeConnector(connector);
208 continue;
209 }
211 if (connector->connector_id != connector_id) {
212 drmModeFreeConnector(connector);
213 continue;
214 }
216 for (j = 0; j < connector->count_modes; j++) {
217 mode = &connector->modes[j];
218 if (!strcmp(mode->name, mode_str))
219 break;
220 }
222 /* Found it, break out */
223 if (mode)
224 break;
226 drmModeFreeConnector(connector);
227 }
229 if (!mode) {
230 fprintf(stderr, "failed to find mode \"%s\"\n", mode_str);
231 return;
232 }
234 width = mode->hdisplay;
235 height = mode->vdisplay;
237 /* Now get the encoder */
238 for (i = 0; i < resources->count_encoders; i++) {
239 encoder = drmModeGetEncoder(fd, resources->encoders[i]);
241 if (!encoder) {
242 fprintf(stderr, "could not get encoder %i: %s\n",
243 resources->encoders[i], strerror(errno));
244 drmModeFreeEncoder(encoder);
245 continue;
246 }
248 if (encoder->encoder_id == connector->encoder_id)
249 break;
251 drmModeFreeEncoder(encoder);
252 }
254 bufmgr = drm_intel_bufmgr_gem_init(fd, 2<<20);
255 if (!bufmgr) {
256 fprintf(stderr, "failed to init bufmgr: %s\n", strerror(errno));
257 return;
258 }
260 /* Mode size at 32 bpp */
261 size = width * height * 4;
263 bo = drm_intel_bo_alloc(bufmgr, "frontbuffer", size, 4096);
264 if (!bo) {
265 fprintf(stderr, "failed to alloc buffer: %s\n",
266 strerror(errno));
267 return;
268 }
270 ret = drm_intel_bo_pin(bo, 4096);
271 if (ret) {
272 fprintf(stderr, "failed to pin buffer: %s\n", strerror(errno));
273 return;
274 }
276 ret = drm_intel_gem_bo_map_gtt(bo);
277 if (ret) {
278 fprintf(stderr, "failed to GTT map buffer: %s\n",
279 strerror(errno));
280 return;
281 }
283 fb_ptr = bo->virtual;
285 /* paint the buffer blue */
286 for (i = 0; i < width * height; i++)
287 fb_ptr[i] = 0xff;
289 ret = drmModeAddFB(fd, width, height, 32, 32, width * 4, bo->handle,
290 &fb_id);
291 if (ret) {
292 fprintf(stderr, "failed to add fb: %s\n", strerror(errno));
293 return;
294 }
296 ret = drmModeSetCrtc(fd, encoder->crtc_id, fb_id, 0, 0,
297 &connector->connector_id, 1, mode);
298 if (ret) {
299 fprintf(stderr, "failed to set mode: %s\n", strerror(errno));
300 return;
301 }
302 }
304 extern char *optarg;
305 extern int optind, opterr, optopt;
306 static char optstr[] = "ecpmfs:";
308 void usage(char *name)
309 {
310 fprintf(stderr, "usage: %s [-ecpmf]\n", name);
311 fprintf(stderr, "\t-e\tlist encoders\n");
312 fprintf(stderr, "\t-c\tlist connectors\n");
313 fprintf(stderr, "\t-p\tlist CRTCs (pipes)\n");
314 fprintf(stderr, "\t-m\tlist modes\n");
315 fprintf(stderr, "\t-f\tlist framebuffers\n");
316 fprintf(stderr, "\t-s <connector_id>:<mode>\tset a mode\n");
317 fprintf(stderr, "\n\tDefault is to dump all info.\n");
318 exit(0);
319 }
321 #define dump_resource(res) if (res) dump_##res()
323 int main(int argc, char **argv)
324 {
325 int c;
326 int encoders = 0, connectors = 0, crtcs = 0, framebuffers = 0;
327 char *modules[] = { "i915", "radeon" };
328 char *modeset = NULL, *mode, *connector;
329 int i, connector_id;
331 opterr = 0;
332 while ((c = getopt(argc, argv, optstr)) != -1) {
333 switch (c) {
334 case 'e':
335 encoders = 1;
336 break;
337 case 'c':
338 connectors = 1;
339 break;
340 case 'p':
341 crtcs = 1;
342 break;
343 case 'm':
344 modes = 1;
345 break;
346 case 'f':
347 framebuffers = 1;
348 break;
349 case 's':
350 modeset = strdup(optarg);
351 break;
352 default:
353 usage(argv[0]);
354 break;
355 }
356 }
358 if (argc == 1)
359 encoders = connectors = crtcs = modes = framebuffers = 1;
361 for (i = 0; i < ARRAY_SIZE(modules); i++) {
362 printf("trying to load module %s...", modules[i]);
363 fd = drmOpen(modules[i], NULL);
364 if (fd < 0) {
365 printf("failed.\n");
366 } else {
367 printf("success.\n");
368 break;
369 }
370 }
372 if (i == ARRAY_SIZE(modules)) {
373 fprintf(stderr, "failed to load any modules, aborting.\n");
374 return -1;
375 }
377 resources = drmModeGetResources(fd);
378 if (!resources) {
379 fprintf(stderr, "drmModeGetResources failed: %s\n",
380 strerror(errno));
381 drmClose(fd);
382 return 1;
383 }
385 dump_resource(encoders);
386 dump_resource(connectors);
387 dump_resource(crtcs);
388 dump_resource(framebuffers);
390 if (modeset) {
391 connector = strtok(modeset, ":");
392 if (!connector)
393 usage(argv[0]);
394 connector_id = atoi(connector);
396 mode = strtok(NULL, ":");
397 if (!mode)
398 usage(argv[0]);
399 printf("setting connector %d to mode %s\n", connector_id,
400 mode);
401 set_mode(connector_id, mode);
402 sleep(3);
403 }
405 sleep(3);
407 drmModeFreeResources(resources);
409 return 0;
410 }