--- /dev/null
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ * Paulo Zanoni <paulo.r.zanoni@intel.com>
+ *
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+int fd;
+drmModeResPtr res = NULL;
+
+const char *connector_type_str(uint32_t type)
+{
+ switch (type) {
+ case DRM_MODE_CONNECTOR_Unknown:
+ return "Unknown";
+ case DRM_MODE_CONNECTOR_VGA:
+ return "VGA";
+ case DRM_MODE_CONNECTOR_DVII:
+ return "DVI-I";
+ case DRM_MODE_CONNECTOR_DVID:
+ return "DVI-D";
+ case DRM_MODE_CONNECTOR_DVIA:
+ return "DVI-A";
+ case DRM_MODE_CONNECTOR_Composite:
+ return "Composite";
+ case DRM_MODE_CONNECTOR_SVIDEO:
+ return "SVIDEO";
+ case DRM_MODE_CONNECTOR_LVDS:
+ return "LVDS";
+ case DRM_MODE_CONNECTOR_Component:
+ return "Component";
+ case DRM_MODE_CONNECTOR_9PinDIN:
+ return "9PinDin";
+ case DRM_MODE_CONNECTOR_DisplayPort:
+ return "DisplayPort";
+ case DRM_MODE_CONNECTOR_HDMIA:
+ return "HDMI-A";
+ case DRM_MODE_CONNECTOR_HDMIB:
+ return "HDMI-B";
+ case DRM_MODE_CONNECTOR_TV:
+ return "TV";
+ case DRM_MODE_CONNECTOR_eDP:
+ return "eDP";
+ default:
+ return "Invalid";
+ }
+}
+
+/* dump_blob and dump_prop shamelessly copied from ../modetest/modetest.c */
+static void
+dump_blob(uint32_t blob_id)
+{
+ uint32_t i;
+ unsigned char *blob_data;
+ drmModePropertyBlobPtr blob;
+
+ blob = drmModeGetPropertyBlob(fd, blob_id);
+ if (!blob)
+ return;
+
+ blob_data = blob->data;
+
+ for (i = 0; i < blob->length; i++) {
+ if (i % 16 == 0)
+ printf("\n\t\t\t");
+ printf("%.2hhx", blob_data[i]);
+ }
+ printf("\n");
+
+ drmModeFreePropertyBlob(blob);
+}
+
+static void
+dump_prop(uint32_t prop_id, uint64_t value)
+{
+ int i;
+ drmModePropertyPtr prop;
+
+ prop = drmModeGetProperty(fd, prop_id);
+
+ printf("\t%d", prop_id);
+ if (!prop) {
+ printf("\n");
+ return;
+ }
+
+ printf(" %s:\n", prop->name);
+
+ printf("\t\tflags:");
+ if (prop->flags & DRM_MODE_PROP_PENDING)
+ printf(" pending");
+ if (prop->flags & DRM_MODE_PROP_RANGE)
+ printf(" range");
+ if (prop->flags & DRM_MODE_PROP_IMMUTABLE)
+ printf(" immutable");
+ if (prop->flags & DRM_MODE_PROP_ENUM)
+ printf(" enum");
+ if (prop->flags & DRM_MODE_PROP_BLOB)
+ printf(" blob");
+ printf("\n");
+
+ if (prop->flags & DRM_MODE_PROP_RANGE) {
+ printf("\t\tvalues:");
+ for (i = 0; i < prop->count_values; i++)
+ printf(" %"PRIu64, prop->values[i]);
+ printf("\n");
+ }
+
+ if (prop->flags & DRM_MODE_PROP_ENUM) {
+ printf("\t\tenums:");
+ for (i = 0; i < prop->count_enums; i++)
+ printf(" %s=%llu", prop->enums[i].name,
+ prop->enums[i].value);
+ printf("\n");
+ } else {
+ assert(prop->count_enums == 0);
+ }
+
+ if (prop->flags & DRM_MODE_PROP_BLOB) {
+ printf("\t\tblobs:\n");
+ for (i = 0; i < prop->count_blobs; i++)
+ dump_blob(prop->blob_ids[i]);
+ printf("\n");
+ } else {
+ assert(prop->count_blobs == 0);
+ }
+
+ printf("\t\tvalue:");
+ if (prop->flags & DRM_MODE_PROP_BLOB)
+ dump_blob(value);
+ else
+ printf(" %"PRIu64"\n", value);
+
+ drmModeFreeProperty(prop);
+}
+
+static void listObjectProperties(uint32_t id, uint32_t type)
+{
+ unsigned int i;
+ drmModeObjectPropertiesPtr props;
+
+ props = drmModeObjectGetProperties(fd, id, type);
+
+ if (!props) {
+ printf("\tNo properties: %s.\n", strerror(errno));
+ return;
+ }
+
+ for (i = 0; i < props->count_props; i++)
+ dump_prop(props->props[i], props->prop_values[i]);
+
+ drmModeFreeObjectProperties(props);
+}
+
+static void listConnectorProperties(void)
+{
+ int i;
+ drmModeConnectorPtr c;
+
+ for (i = 0; i < res->count_connectors; i++) {
+ c = drmModeGetConnector(fd, res->connectors[i]);
+
+ if (!c) {
+ fprintf(stderr, "Could not get connector %u: %s\n",
+ res->connectors[i], strerror(errno));
+ continue;
+ }
+
+ printf("Connector %u (%s-%u)\n", c->connector_id,
+ connector_type_str(c->connector_type),
+ c->connector_type_id);
+
+ listObjectProperties(c->connector_id,
+ DRM_MODE_OBJECT_CONNECTOR);
+
+ drmModeFreeConnector(c);
+ }
+}
+
+static void listCrtcProperties(void)
+{
+ int i;
+ drmModeCrtcPtr c;
+
+ for (i = 0; i < res->count_crtcs; i++) {
+ c = drmModeGetCrtc(fd, res->crtcs[i]);
+
+ if (!c) {
+ fprintf(stderr, "Could not get crtc %u: %s\n",
+ res->crtcs[i], strerror(errno));
+ continue;
+ }
+
+ printf("CRTC %u\n", c->crtc_id);
+
+ listObjectProperties(c->crtc_id, DRM_MODE_OBJECT_CRTC);
+
+ drmModeFreeCrtc(c);
+ }
+}
+
+static void listAllProperties(void)
+{
+ listConnectorProperties();
+ listCrtcProperties();
+}
+
+static int setProperty(char *argv[])
+{
+ uint32_t obj_id, obj_type, prop_id;
+ uint64_t value;
+
+ obj_id = atoi(argv[1]);
+
+ if (!strcmp(argv[2], "connector")) {
+ obj_type = DRM_MODE_OBJECT_CONNECTOR;
+ } else if (!strcmp(argv[2], "crtc")) {
+ obj_type = DRM_MODE_OBJECT_CRTC;
+ } else {
+ fprintf(stderr, "Invalid object type.\n");
+ return 1;
+ }
+
+ prop_id = atoi(argv[3]);
+ value = atoll(argv[4]);
+
+ return drmModeObjectSetProperty(fd, obj_id, obj_type, prop_id, value);
+}
+
+static void printUsage(void)
+{
+ printf("Usage:\n"
+" proptest\n"
+" proptest [obj id] [obj type] [prop id] [value]\n"
+"\n"
+"The first form just prints all the existing properties. The second one is\n"
+"used to set the value of a specified property. The object type can be one of\n"
+"the following strings:\n"
+" connector crtc\n"
+"\n"
+"Example:\n"
+" proptest 7 connector 2 1\n"
+"will set property 2 of connector 7 to 1\n");
+}
+
+int main(int argc, char *argv[])
+{
+ char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm", "msm" };
+ unsigned int i, ret = 0;
+
+ for (i = 0; i < ARRAY_SIZE(modules); i++){
+ fd = drmOpen(modules[i], NULL);
+ if (fd >= 0) {
+ printf("Module %s loaded.\n", modules[i]);
+ break;
+ }
+ }
+
+ if (i == ARRAY_SIZE(modules)) {
+ fprintf(stderr, "Failed to load drm modules.\n");
+ return 1;
+ }
+
+ res = drmModeGetResources(fd);
+ if (!res) {
+ fprintf(stderr, "Failed to get resources: %s\n",
+ strerror(errno));
+ ret = 1;
+ goto done;
+ }
+
+ if (argc < 2) {
+ listAllProperties();
+ } else if (argc == 5) {
+ ret = setProperty(argv);
+ } else {
+ printUsage();
+ ret = 1;
+ }
+
+ drmModeFreeResources(res);
+done:
+ drmClose(fd);
+ return ret;
+}
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