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
42static inline int64_t U642I64(uint64_t val)
43{
44	return (int64_t)*((int64_t *)&val);
45}
46
47int fd;
48drmModeResPtr res = NULL;
49
50/* dump_blob and dump_prop shamelessly copied from ../modetest/modetest.c */
51static void
52dump_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
76static void
77dump_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
162static 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
180static 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
205static 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
227static void listAllProperties(void)
228{
229	listConnectorProperties();
230	listCrtcProperties();
231}
232
233static 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
255static 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
275int 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);
322done:
323	drmClose(fd);
324	return ret;
325}
326