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 <getopt.h>
31 #include <inttypes.h>
32 #include <stdlib.h>
33 #include <stdio.h>
34 #include <string.h>
35
36 #include "xf86drm.h"
37 #include "xf86drmMode.h"
38
39 #include "util/common.h"
40 #include "util/kms.h"
41
U642I64(uint64_t val)42 static inline int64_t U642I64(uint64_t val)
43 {
44 return (int64_t)*((int64_t *)&val);
45 }
46
47 int fd;
48 drmModeResPtr res = NULL;
49
50 /* dump_blob and dump_prop shamelessly copied from ../modetest/modetest.c */
51 static void
dump_blob(uint32_t blob_id)52 dump_blob(uint32_t blob_id)
53 {
54 uint32_t i;
55 unsigned char *blob_data;
56 drmModePropertyBlobPtr blob;
57
58 blob = drmModeGetPropertyBlob(fd, blob_id);
59 if (!blob) {
60 printf("\n");
61 return;
62 }
63
64 blob_data = blob->data;
65
66 for (i = 0; i < blob->length; i++) {
67 if (i % 16 == 0)
68 printf("\n\t\t\t");
69 printf("%.2hhx", blob_data[i]);
70 }
71 printf("\n");
72
73 drmModeFreePropertyBlob(blob);
74 }
75
76 static void
dump_prop(uint32_t prop_id,uint64_t value)77 dump_prop(uint32_t prop_id, uint64_t value)
78 {
79 int i;
80 drmModePropertyPtr prop;
81
82 prop = drmModeGetProperty(fd, prop_id);
83
84 printf("\t%d", prop_id);
85 if (!prop) {
86 printf("\n");
87 return;
88 }
89
90 printf(" %s:\n", prop->name);
91
92 printf("\t\tflags:");
93 if (prop->flags & DRM_MODE_PROP_PENDING)
94 printf(" pending");
95 if (prop->flags & DRM_MODE_PROP_IMMUTABLE)
96 printf(" immutable");
97 if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE))
98 printf(" signed range");
99 if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE))
100 printf(" range");
101 if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM))
102 printf(" enum");
103 if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK))
104 printf(" bitmask");
105 if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
106 printf(" blob");
107 if (drm_property_type_is(prop, DRM_MODE_PROP_OBJECT))
108 printf(" object");
109 printf("\n");
110
111
112 if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE)) {
113 printf("\t\tvalues:");
114 for (i = 0; i < prop->count_values; i++)
115 printf(" %"PRId64, U642I64(prop->values[i]));
116 printf("\n");
117 }
118
119 if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE)) {
120 printf("\t\tvalues:");
121 for (i = 0; i < prop->count_values; i++)
122 printf(" %"PRIu64, prop->values[i]);
123 printf("\n");
124 }
125
126 if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM)) {
127 printf("\t\tenums:");
128 for (i = 0; i < prop->count_enums; i++)
129 printf(" %s=%llu", prop->enums[i].name,
130 prop->enums[i].value);
131 printf("\n");
132 } else if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK)) {
133 printf("\t\tvalues:");
134 for (i = 0; i < prop->count_enums; i++)
135 printf(" %s=0x%llx", prop->enums[i].name,
136 (1LL << prop->enums[i].value));
137 printf("\n");
138 } else {
139 assert(prop->count_enums == 0);
140 }
141
142 if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB)) {
143 printf("\t\tblobs:\n");
144 for (i = 0; i < prop->count_blobs; i++)
145 dump_blob(prop->blob_ids[i]);
146 printf("\n");
147 } else {
148 assert(prop->count_blobs == 0);
149 }
150
151 printf("\t\tvalue:");
152 if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
153 dump_blob(value);
154 else if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE))
155 printf(" %"PRId64"\n", value);
156 else
157 printf(" %"PRIu64"\n", value);
158
159 drmModeFreeProperty(prop);
160 }
161
listObjectProperties(uint32_t id,uint32_t type)162 static void listObjectProperties(uint32_t id, uint32_t type)
163 {
164 unsigned int i;
165 drmModeObjectPropertiesPtr props;
166
167 props = drmModeObjectGetProperties(fd, id, type);
168
169 if (!props) {
170 printf("\tNo properties: %s.\n", strerror(errno));
171 return;
172 }
173
174 for (i = 0; i < props->count_props; i++)
175 dump_prop(props->props[i], props->prop_values[i]);
176
177 drmModeFreeObjectProperties(props);
178 }
179
listConnectorProperties(void)180 static void listConnectorProperties(void)
181 {
182 int i;
183 drmModeConnectorPtr c;
184
185 for (i = 0; i < res->count_connectors; i++) {
186 c = drmModeGetConnector(fd, res->connectors[i]);
187
188 if (!c) {
189 fprintf(stderr, "Could not get connector %u: %s\n",
190 res->connectors[i], strerror(errno));
191 continue;
192 }
193
194 printf("Connector %u (%s-%u)\n", c->connector_id,
195 util_lookup_connector_type_name(c->connector_type),
196 c->connector_type_id);
197
198 listObjectProperties(c->connector_id,
199 DRM_MODE_OBJECT_CONNECTOR);
200
201 drmModeFreeConnector(c);
202 }
203 }
204
listCrtcProperties(void)205 static void listCrtcProperties(void)
206 {
207 int i;
208 drmModeCrtcPtr c;
209
210 for (i = 0; i < res->count_crtcs; i++) {
211 c = drmModeGetCrtc(fd, res->crtcs[i]);
212
213 if (!c) {
214 fprintf(stderr, "Could not get crtc %u: %s\n",
215 res->crtcs[i], strerror(errno));
216 continue;
217 }
218
219 printf("CRTC %u\n", c->crtc_id);
220
221 listObjectProperties(c->crtc_id, DRM_MODE_OBJECT_CRTC);
222
223 drmModeFreeCrtc(c);
224 }
225 }
226
listAllProperties(void)227 static void listAllProperties(void)
228 {
229 listConnectorProperties();
230 listCrtcProperties();
231 }
232
setProperty(char * argv[])233 static int setProperty(char *argv[])
234 {
235 uint32_t obj_id, obj_type, prop_id;
236 uint64_t value;
237
238 obj_id = atoi(argv[0]);
239
240 if (!strcmp(argv[1], "connector")) {
241 obj_type = DRM_MODE_OBJECT_CONNECTOR;
242 } else if (!strcmp(argv[1], "crtc")) {
243 obj_type = DRM_MODE_OBJECT_CRTC;
244 } else {
245 fprintf(stderr, "Invalid object type.\n");
246 return 1;
247 }
248
249 prop_id = atoi(argv[2]);
250 value = atoll(argv[3]);
251
252 return drmModeObjectSetProperty(fd, obj_id, obj_type, prop_id, value);
253 }
254
usage(const char * program)255 static void usage(const char *program)
256 {
257 printf("Usage:\n"
258 " %s [options]\n"
259 " %s [options] [obj id] [obj type] [prop id] [value]\n"
260 "\n"
261 "options:\n"
262 " -D DEVICE use the given device\n"
263 " -M MODULE use the given driver\n"
264 "\n"
265 "The first form just prints all the existing properties. The second one is\n"
266 "used to set the value of a specified property. The object type can be one of\n"
267 "the following strings:\n"
268 " connector crtc\n"
269 "\n"
270 "Example:\n"
271 " proptest 7 connector 2 1\n"
272 "will set property 2 of connector 7 to 1\n", program, program);
273 }
274
main(int argc,char * argv[])275 int main(int argc, char *argv[])
276 {
277 static const char optstr[] = "D:M:";
278 int c, args, ret = 0;
279 char *device = NULL;
280 char *module = NULL;
281
282 while ((c = getopt(argc, argv, optstr)) != -1) {
283 switch (c) {
284 case 'D':
285 device = optarg;
286 break;
287
288 case 'M':
289 module = optarg;
290 break;
291
292 default:
293 usage(argv[0]);
294 break;
295 }
296 }
297
298 args = argc - optind;
299
300 fd = util_open(device, module);
301 if (fd < 0)
302 return 1;
303
304 res = drmModeGetResources(fd);
305 if (!res) {
306 fprintf(stderr, "Failed to get resources: %s\n",
307 strerror(errno));
308 ret = 1;
309 goto done;
310 }
311
312 if (args < 1) {
313 listAllProperties();
314 } else if (args == 4) {
315 ret = setProperty(&argv[optind]);
316 } else {
317 usage(argv[0]);
318 ret = 1;
319 }
320
321 drmModeFreeResources(res);
322 done:
323 drmClose(fd);
324 return ret;
325 }
326