1 /*
2 * Copyright © 2012 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Paulo Zanoni <paulo.r.zanoni@intel.com>
25 *
26 */
27
28 #include <assert.h>
29 #include <errno.h>
30 #include <inttypes.h>
31 #include <stdlib.h>
32 #include <stdio.h>
33 #include <string.h>
34
35 #include "xf86drm.h"
36 #include "xf86drmMode.h"
37
38 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
U642I64(uint64_t val)39 static inline int64_t U642I64(uint64_t val)
40 {
41 return (int64_t)*((int64_t *)&val);
42 }
43
44 int fd;
45 drmModeResPtr res = NULL;
46
connector_type_str(uint32_t type)47 const char *connector_type_str(uint32_t type)
48 {
49 switch (type) {
50 case DRM_MODE_CONNECTOR_Unknown:
51 return "Unknown";
52 case DRM_MODE_CONNECTOR_VGA:
53 return "VGA";
54 case DRM_MODE_CONNECTOR_DVII:
55 return "DVI-I";
56 case DRM_MODE_CONNECTOR_DVID:
57 return "DVI-D";
58 case DRM_MODE_CONNECTOR_DVIA:
59 return "DVI-A";
60 case DRM_MODE_CONNECTOR_Composite:
61 return "Composite";
62 case DRM_MODE_CONNECTOR_SVIDEO:
63 return "SVIDEO";
64 case DRM_MODE_CONNECTOR_LVDS:
65 return "LVDS";
66 case DRM_MODE_CONNECTOR_Component:
67 return "Component";
68 case DRM_MODE_CONNECTOR_9PinDIN:
69 return "9PinDin";
70 case DRM_MODE_CONNECTOR_DisplayPort:
71 return "DisplayPort";
72 case DRM_MODE_CONNECTOR_HDMIA:
73 return "HDMI-A";
74 case DRM_MODE_CONNECTOR_HDMIB:
75 return "HDMI-B";
76 case DRM_MODE_CONNECTOR_TV:
77 return "TV";
78 case DRM_MODE_CONNECTOR_eDP:
79 return "eDP";
80 default:
81 return "Invalid";
82 }
83 }
84
85 /* dump_blob and dump_prop shamelessly copied from ../modetest/modetest.c */
86 static void
dump_blob(uint32_t blob_id)87 dump_blob(uint32_t blob_id)
88 {
89 uint32_t i;
90 unsigned char *blob_data;
91 drmModePropertyBlobPtr blob;
92
93 blob = drmModeGetPropertyBlob(fd, blob_id);
94 if (!blob) {
95 printf("\n");
96 return;
97 }
98
99 blob_data = blob->data;
100
101 for (i = 0; i < blob->length; i++) {
102 if (i % 16 == 0)
103 printf("\n\t\t\t");
104 printf("%.2hhx", blob_data[i]);
105 }
106 printf("\n");
107
108 drmModeFreePropertyBlob(blob);
109 }
110
111 static void
dump_prop(uint32_t prop_id,uint64_t value)112 dump_prop(uint32_t prop_id, uint64_t value)
113 {
114 int i;
115 drmModePropertyPtr prop;
116
117 prop = drmModeGetProperty(fd, prop_id);
118
119 printf("\t%d", prop_id);
120 if (!prop) {
121 printf("\n");
122 return;
123 }
124
125 printf(" %s:\n", prop->name);
126
127 printf("\t\tflags:");
128 if (prop->flags & DRM_MODE_PROP_PENDING)
129 printf(" pending");
130 if (prop->flags & DRM_MODE_PROP_IMMUTABLE)
131 printf(" immutable");
132 if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE))
133 printf(" signed range");
134 if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE))
135 printf(" range");
136 if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM))
137 printf(" enum");
138 if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK))
139 printf(" bitmask");
140 if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
141 printf(" blob");
142 if (drm_property_type_is(prop, DRM_MODE_PROP_OBJECT))
143 printf(" object");
144 printf("\n");
145
146
147 if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE)) {
148 printf("\t\tvalues:");
149 for (i = 0; i < prop->count_values; i++)
150 printf(" %"PRId64, U642I64(prop->values[i]));
151 printf("\n");
152 }
153
154 if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE)) {
155 printf("\t\tvalues:");
156 for (i = 0; i < prop->count_values; i++)
157 printf(" %"PRIu64, prop->values[i]);
158 printf("\n");
159 }
160
161 if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM)) {
162 printf("\t\tenums:");
163 for (i = 0; i < prop->count_enums; i++)
164 printf(" %s=%llu", prop->enums[i].name,
165 prop->enums[i].value);
166 printf("\n");
167 } else if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK)) {
168 printf("\t\tvalues:");
169 for (i = 0; i < prop->count_enums; i++)
170 printf(" %s=0x%llx", prop->enums[i].name,
171 (1LL << prop->enums[i].value));
172 printf("\n");
173 } else {
174 assert(prop->count_enums == 0);
175 }
176
177 if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB)) {
178 printf("\t\tblobs:\n");
179 for (i = 0; i < prop->count_blobs; i++)
180 dump_blob(prop->blob_ids[i]);
181 printf("\n");
182 } else {
183 assert(prop->count_blobs == 0);
184 }
185
186 printf("\t\tvalue:");
187 if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
188 dump_blob(value);
189 else
190 printf(" %"PRIu64"\n", value);
191
192 drmModeFreeProperty(prop);
193 }
194
listObjectProperties(uint32_t id,uint32_t type)195 static void listObjectProperties(uint32_t id, uint32_t type)
196 {
197 unsigned int i;
198 drmModeObjectPropertiesPtr props;
199
200 props = drmModeObjectGetProperties(fd, id, type);
201
202 if (!props) {
203 printf("\tNo properties: %s.\n", strerror(errno));
204 return;
205 }
206
207 for (i = 0; i < props->count_props; i++)
208 dump_prop(props->props[i], props->prop_values[i]);
209
210 drmModeFreeObjectProperties(props);
211 }
212
listConnectorProperties(void)213 static void listConnectorProperties(void)
214 {
215 int i;
216 drmModeConnectorPtr c;
217
218 for (i = 0; i < res->count_connectors; i++) {
219 c = drmModeGetConnector(fd, res->connectors[i]);
220
221 if (!c) {
222 fprintf(stderr, "Could not get connector %u: %s\n",
223 res->connectors[i], strerror(errno));
224 continue;
225 }
226
227 printf("Connector %u (%s-%u)\n", c->connector_id,
228 connector_type_str(c->connector_type),
229 c->connector_type_id);
230
231 listObjectProperties(c->connector_id,
232 DRM_MODE_OBJECT_CONNECTOR);
233
234 drmModeFreeConnector(c);
235 }
236 }
237
listCrtcProperties(void)238 static void listCrtcProperties(void)
239 {
240 int i;
241 drmModeCrtcPtr c;
242
243 for (i = 0; i < res->count_crtcs; i++) {
244 c = drmModeGetCrtc(fd, res->crtcs[i]);
245
246 if (!c) {
247 fprintf(stderr, "Could not get crtc %u: %s\n",
248 res->crtcs[i], strerror(errno));
249 continue;
250 }
251
252 printf("CRTC %u\n", c->crtc_id);
253
254 listObjectProperties(c->crtc_id, DRM_MODE_OBJECT_CRTC);
255
256 drmModeFreeCrtc(c);
257 }
258 }
259
listAllProperties(void)260 static void listAllProperties(void)
261 {
262 listConnectorProperties();
263 listCrtcProperties();
264 }
265
setProperty(char * argv[])266 static int setProperty(char *argv[])
267 {
268 uint32_t obj_id, obj_type, prop_id;
269 uint64_t value;
270
271 obj_id = atoi(argv[1]);
272
273 if (!strcmp(argv[2], "connector")) {
274 obj_type = DRM_MODE_OBJECT_CONNECTOR;
275 } else if (!strcmp(argv[2], "crtc")) {
276 obj_type = DRM_MODE_OBJECT_CRTC;
277 } else {
278 fprintf(stderr, "Invalid object type.\n");
279 return 1;
280 }
281
282 prop_id = atoi(argv[3]);
283 value = atoll(argv[4]);
284
285 return drmModeObjectSetProperty(fd, obj_id, obj_type, prop_id, value);
286 }
287
printUsage(void)288 static void printUsage(void)
289 {
290 printf("Usage:\n"
291 " proptest\n"
292 " proptest [obj id] [obj type] [prop id] [value]\n"
293 "\n"
294 "The first form just prints all the existing properties. The second one is\n"
295 "used to set the value of a specified property. The object type can be one of\n"
296 "the following strings:\n"
297 " connector crtc\n"
298 "\n"
299 "Example:\n"
300 " proptest 7 connector 2 1\n"
301 "will set property 2 of connector 7 to 1\n");
302 }
303
main(int argc,char * argv[])304 int main(int argc, char *argv[])
305 {
306 char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm", "msm" };
307 unsigned int i, ret = 0;
308
309 for (i = 0; i < ARRAY_SIZE(modules); i++){
310 fd = drmOpen(modules[i], NULL);
311 if (fd >= 0) {
312 printf("Module %s loaded.\n", modules[i]);
313 break;
314 }
315 }
316
317 if (i == ARRAY_SIZE(modules)) {
318 fprintf(stderr, "Failed to load drm modules.\n");
319 return 1;
320 }
321
322 res = drmModeGetResources(fd);
323 if (!res) {
324 fprintf(stderr, "Failed to get resources: %s\n",
325 strerror(errno));
326 ret = 1;
327 goto done;
328 }
329
330 if (argc < 2) {
331 listAllProperties();
332 } else if (argc == 5) {
333 ret = setProperty(argv);
334 } else {
335 printUsage();
336 ret = 1;
337 }
338
339 drmModeFreeResources(res);
340 done:
341 drmClose(fd);
342 return ret;
343 }
344