drm/tests/proptest/proptest.c

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/*
* 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]))
static inline int64_t U642I64(uint64_t val)
{
return (int64_t)*((int64_t *)&val);
}
int fd;
drmModeResPtr res = NULL;
static 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) {
printf("\n");
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_IMMUTABLE)
printf(" immutable");
if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE))
printf(" signed range");
if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE))
printf(" range");
if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM))
printf(" enum");
if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK))
printf(" bitmask");
if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
printf(" blob");
if (drm_property_type_is(prop, DRM_MODE_PROP_OBJECT))
printf(" object");
printf("\n");
if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE)) {
printf("\t\tvalues:");
for (i = 0; i < prop->count_values; i++)
printf(" %"PRId64, U642I64(prop->values[i]));
printf("\n");
}
if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE)) {
printf("\t\tvalues:");
for (i = 0; i < prop->count_values; i++)
printf(" %"PRIu64, prop->values[i]);
printf("\n");
}
if (drm_property_type_is(prop, 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 if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK)) {
printf("\t\tvalues:");
for (i = 0; i < prop->count_enums; i++)
printf(" %s=0x%llx", prop->enums[i].name,
(1LL << prop->enums[i].value));
printf("\n");
} else {
assert(prop->count_enums == 0);
}
if (drm_property_type_is(prop, 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 (drm_property_type_is(prop, 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[])
{
const char *modules[] = { "i915", "radeon", "nouveau", "vmwgfx", "omapdrm", "msm", "rockchip" };
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;
}