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
155 printf(" %"PRIu64"\n", value);
156
157 drmModeFreeProperty(prop);
158 }
159
listObjectProperties(uint32_t id,uint32_t type)160 static void listObjectProperties(uint32_t id, uint32_t type)
161 {
162 unsigned int i;
163 drmModeObjectPropertiesPtr props;
164
165 props = drmModeObjectGetProperties(fd, id, type);
166
167 if (!props) {
168 printf("\tNo properties: %s.\n", strerror(errno));
169 return;
170 }
171
172 for (i = 0; i < props->count_props; i++)
173 dump_prop(props->props[i], props->prop_values[i]);
174
175 drmModeFreeObjectProperties(props);
176 }
177
listConnectorProperties(void)178 static void listConnectorProperties(void)
179 {
180 int i;
181 drmModeConnectorPtr c;
182
183 for (i = 0; i < res->count_connectors; i++) {
184 c = drmModeGetConnector(fd, res->connectors[i]);
185
186 if (!c) {
187 fprintf(stderr, "Could not get connector %u: %s\n",
188 res->connectors[i], strerror(errno));
189 continue;
190 }
191
192 printf("Connector %u (%s-%u)\n", c->connector_id,
193 util_lookup_connector_type_name(c->connector_type),
194 c->connector_type_id);
195
196 listObjectProperties(c->connector_id,
197 DRM_MODE_OBJECT_CONNECTOR);
198
199 drmModeFreeConnector(c);
200 }
201 }
202
listCrtcProperties(void)203 static void listCrtcProperties(void)
204 {
205 int i;
206 drmModeCrtcPtr c;
207
208 for (i = 0; i < res->count_crtcs; i++) {
209 c = drmModeGetCrtc(fd, res->crtcs[i]);
210
211 if (!c) {
212 fprintf(stderr, "Could not get crtc %u: %s\n",
213 res->crtcs[i], strerror(errno));
214 continue;
215 }
216
217 printf("CRTC %u\n", c->crtc_id);
218
219 listObjectProperties(c->crtc_id, DRM_MODE_OBJECT_CRTC);
220
221 drmModeFreeCrtc(c);
222 }
223 }
224
listAllProperties(void)225 static void listAllProperties(void)
226 {
227 listConnectorProperties();
228 listCrtcProperties();
229 }
230
setProperty(char * argv[])231 static int setProperty(char *argv[])
232 {
233 uint32_t obj_id, obj_type, prop_id;
234 uint64_t value;
235
236 obj_id = atoi(argv[0]);
237
238 if (!strcmp(argv[1], "connector")) {
239 obj_type = DRM_MODE_OBJECT_CONNECTOR;
240 } else if (!strcmp(argv[1], "crtc")) {
241 obj_type = DRM_MODE_OBJECT_CRTC;
242 } else {
243 fprintf(stderr, "Invalid object type.\n");
244 return 1;
245 }
246
247 prop_id = atoi(argv[2]);
248 value = atoll(argv[3]);
249
250 return drmModeObjectSetProperty(fd, obj_id, obj_type, prop_id, value);
251 }
252
usage(const char * program)253 static void usage(const char *program)
254 {
255 printf("Usage:\n"
256 " %s [options]\n"
257 " %s [options] [obj id] [obj type] [prop id] [value]\n"
258 "\n"
259 "options:\n"
260 " -D DEVICE use the given device\n"
261 " -M MODULE use the given driver\n"
262 "\n"
263 "The first form just prints all the existing properties. The second one is\n"
264 "used to set the value of a specified property. The object type can be one of\n"
265 "the following strings:\n"
266 " connector crtc\n"
267 "\n"
268 "Example:\n"
269 " proptest 7 connector 2 1\n"
270 "will set property 2 of connector 7 to 1\n", program, program);
271 }
272
main(int argc,char * argv[])273 int main(int argc, char *argv[])
274 {
275 static const char optstr[] = "D:M:";
276 int c, args, ret = 0;
277 char *device = NULL;
278 char *module = NULL;
279
280 while ((c = getopt(argc, argv, optstr)) != -1) {
281 switch (c) {
282 case 'D':
283 device = optarg;
284 break;
285
286 case 'M':
287 module = optarg;
288 break;
289
290 default:
291 usage(argv[0]);
292 break;
293 }
294 }
295
296 args = argc - optind;
297
298 fd = util_open(module, device);
299 if (fd < 0)
300 return 1;
301
302 res = drmModeGetResources(fd);
303 if (!res) {
304 fprintf(stderr, "Failed to get resources: %s\n",
305 strerror(errno));
306 ret = 1;
307 goto done;
308 }
309
310 if (args < 1) {
311 listAllProperties();
312 } else if (args == 4) {
313 ret = setProperty(&argv[optind]);
314 } else {
315 usage(argv[0]);
316 ret = 1;
317 }
318
319 drmModeFreeResources(res);
320 done:
321 drmClose(fd);
322 return ret;
323 }
324