/*
* \file modedemo.c
* Test program to dump DRM kernel mode setting related information.
* Queries the kernel for all available information and dumps it to stdout.
*
* \author Jakob Bornecrantz <wallbraker@gmail.com>
*/
/*
* Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* Copyright (c) 2007-2008 Jakob Bornecrantz <wallbraker@gmail.com>
*
* 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 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.
*
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <string.h>
#include <inttypes.h>
#include "xf86drm.h"
#include "xf86drmMode.h"
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
int connectors;
int full_props;
int edid;
int modes;
int full_modes;
int encoders;
int crtcs;
int fbs;
char *module_name;
const char* getConnectionText(drmModeConnection conn)
{
switch (conn) {
case DRM_MODE_CONNECTED:
return "connected";
case DRM_MODE_DISCONNECTED:
return "disconnected";
default:
return "unknown";
}
}
int printMode(struct drm_mode_modeinfo *mode)
{
if (full_modes) {
printf("Mode: %s\n", mode->name);
printf("\tclock : %i\n", mode->clock);
printf("\thdisplay : %i\n", mode->hdisplay);
printf("\thsync_start : %i\n", mode->hsync_start);
printf("\thsync_end : %i\n", mode->hsync_end);
printf("\thtotal : %i\n", mode->htotal);
printf("\thskew : %i\n", mode->hskew);
printf("\tvdisplay : %i\n", mode->vdisplay);
printf("\tvsync_start : %i\n", mode->vsync_start);
printf("\tvsync_end : %i\n", mode->vsync_end);
printf("\tvtotal : %i\n", mode->vtotal);
printf("\tvscan : %i\n", mode->vscan);
printf("\tvrefresh : %i\n", mode->vrefresh);
printf("\tflags : %i\n", mode->flags);
} else {
printf("Mode: \"%s\" %ix%i %i\n", mode->name,
mode->hdisplay, mode->vdisplay, mode->vrefresh);
}
return 0;
}
int printProperty(int fd, drmModeResPtr res, drmModePropertyPtr props, uint64_t value)
{
const char *name = NULL;
int j;
printf("Property: %s\n", props->name);
printf("\tid : %i\n", props->prop_id);
printf("\tflags : %i\n", props->flags);
printf("\tcount_values : %d\n", props->count_values);
if (props->count_values) {
printf("\tvalues :");
for (j = 0; j < props->count_values; j++)
printf(" %" PRIu64, props->values[j]);
printf("\n");
}
printf("\tcount_enums : %d\n", props->count_enums);
if (props->flags & DRM_MODE_PROP_BLOB) {
drmModePropertyBlobPtr blob;
blob = drmModeGetPropertyBlob(fd, value);
if (blob) {
printf("blob is %d length, %08X\n", blob->length, *(uint32_t *)blob->data);
drmModeFreePropertyBlob(blob);
} else {
printf("error getting blob %" PRIu64 "\n", value);
}
} else {
if (!strncmp(props->name, "DPMS", 4))
;
for (j = 0; j < props->count_enums; j++) {
printf("\t\t%lld = %s\n", props->enums[j].value, props->enums[j].name);
if (props->enums[j].value == value)
name = props->enums[j].name;
}
if (props->count_enums && name) {
printf("\tcon_value : %s\n", name);
} else {
printf("\tcon_value : %" PRIu64 "\n", value);
}
}
return 0;
}
static const char * const output_names[] = { "None",
"VGA",
"DVI-I",
"DVI-D",
"DVI-A",
"Composite",
"SVIDEO",
"LVDS",
"Component",
"DIN",
"DP",
"HDMI-A",
"HDMI-B",
"TV",
"eDP",
"Virtual",
"DSI",
};
int printConnector(int fd, drmModeResPtr res, drmModeConnectorPtr connector, uint32_t id)
{
int i = 0;
struct drm_mode_modeinfo *mode = NULL;
drmModePropertyPtr props;
if (connector->connector_type < ARRAY_SIZE(output_names))
printf("Connector: %s-%d\n", output_names[connector->connector_type],
connector->connector_type_id);
else
printf("Connector: %d-%d\n", connector->connector_type,
connector->connector_type_id);
printf("\tid : %i\n", id);
printf("\tencoder id : %i\n", connector->encoder_id);
printf("\tconn : %s\n", getConnectionText(connector->connection));
printf("\tsize : %ix%i (mm)\n", connector->mmWidth, connector->mmHeight);
printf("\tcount_modes : %i\n", connector->count_modes);
printf("\tcount_props : %i\n", connector->count_props);
if (connector->count_props) {
printf("\tprops :");
for (i = 0; i < connector->count_props; i++)
printf(" %i", connector->props[i]);
printf("\n");
}
printf("\tcount_encoders : %i\n", connector->count_encoders);
if (connector->count_encoders) {
printf("\tencoders :");
for (i = 0; i < connector->count_encoders; i++)
printf(" %i", connector->encoders[i]);
printf("\n");
}
if (modes) {
for (i = 0; i < connector->count_modes; i++) {
mode = (struct drm_mode_modeinfo *)&connector->modes[i];
printMode(mode);
}
}
if (full_props) {
for (i = 0; i < connector->count_props; i++) {
props = drmModeGetProperty(fd, connector->props[i]);
if (props) {
printProperty(fd, res, props, connector->prop_values[i]);
drmModeFreeProperty(props);
}
}
}
return 0;
}
int printEncoder(int fd, drmModeResPtr res, drmModeEncoderPtr encoder, uint32_t id)
{
printf("Encoder\n");
printf("\tid :%i\n", id);
printf("\tcrtc_id :%d\n", encoder->crtc_id);
printf("\ttype :%d\n", encoder->encoder_type);
printf("\tpossible_crtcs :0x%x\n", encoder->possible_crtcs);
printf("\tpossible_clones :0x%x\n", encoder->possible_clones);
return 0;
}
int printCrtc(int fd, drmModeResPtr res, drmModeCrtcPtr crtc, uint32_t id)
{
printf("Crtc\n");
printf("\tid : %i\n", id);
printf("\tx : %i\n", crtc->x);
printf("\ty : %i\n", crtc->y);
printf("\twidth : %i\n", crtc->width);
printf("\theight : %i\n", crtc->height);
printf("\tmode : %p\n", &crtc->mode);
printf("\tgamma size : %d\n", crtc->gamma_size);
return 0;
}
int printFrameBuffer(int fd, drmModeResPtr res, drmModeFBPtr fb)
{
printf("Framebuffer\n");
printf("\thandle : %i\n", fb->handle);
printf("\twidth : %i\n", fb->width);
printf("\theight : %i\n", fb->height);
printf("\tpitch : %i\n", fb->pitch);;
printf("\tbpp : %i\n", fb->bpp);
printf("\tdepth : %i\n", fb->depth);
printf("\tbuffer_id : %i\n", fb->handle);
return 0;
}
int printRes(int fd, drmModeResPtr res)
{
int i;
drmModeFBPtr fb;
drmModeCrtcPtr crtc;
drmModeEncoderPtr encoder;
drmModeConnectorPtr connector;
printf("Resources\n\n");
printf("count_connectors : %i\n", res->count_connectors);
printf("count_encoders : %i\n", res->count_encoders);
printf("count_crtcs : %i\n", res->count_crtcs);
printf("count_fbs : %i\n", res->count_fbs);
printf("\n");
if (connectors) {
for (i = 0; i < res->count_connectors; i++) {
connector = drmModeGetConnector(fd, res->connectors[i]);
if (!connector)
printf("Could not get connector %i\n", res->connectors[i]);
else {
printConnector(fd, res, connector, res->connectors[i]);
drmModeFreeConnector(connector);
}
}
printf("\n");
}
if (encoders) {
for (i = 0; i < res->count_encoders; i++) {
encoder = drmModeGetEncoder(fd, res->encoders[i]);
if (!encoder)
printf("Could not get encoder %i\n", res->encoders[i]);
else {
printEncoder(fd, res, encoder, res->encoders[i]);
drmModeFreeEncoder(encoder);
}
}
printf("\n");
}
if (crtcs) {
for (i = 0; i < res->count_crtcs; i++) {
crtc = drmModeGetCrtc(fd, res->crtcs[i]);
if (!crtc)
printf("Could not get crtc %i\n", res->crtcs[i]);
else {
printCrtc(fd, res, crtc, res->crtcs[i]);
drmModeFreeCrtc(crtc);
}
}
printf("\n");
}
if (fbs) {
for (i = 0; i < res->count_fbs; i++) {
fb = drmModeGetFB(fd, res->fbs[i]);
if (!fb)
printf("Could not get fb %i\n", res->fbs[i]);
else {
printFrameBuffer(fd, res, fb);
drmModeFreeFB(fb);
}
}
}
return 0;
}
void args(int argc, char **argv)
{
int i;
fbs = 0;
edid = 0;
crtcs = 0;
modes = 0;
encoders = 0;
full_modes = 0;
full_props = 0;
connectors = 0;
module_name = argv[1];
for (i = 2; i < argc; i++) {
if (strcmp(argv[i], "-fb") == 0) {
fbs = 1;
} else if (strcmp(argv[i], "-crtcs") == 0) {
crtcs = 1;
} else if (strcmp(argv[i], "-cons") == 0) {
connectors = 1;
modes = 1;
} else if (strcmp(argv[i], "-modes") == 0) {
connectors = 1;
modes = 1;
} else if (strcmp(argv[i], "-full") == 0) {
connectors = 1;
modes = 1;
full_modes = 1;
} else if (strcmp(argv[i], "-props") == 0) {
connectors = 1;
full_props = 1;
} else if (strcmp(argv[i], "-edids") == 0) {
connectors = 1;
edid = 1;
} else if (strcmp(argv[i], "-encoders") == 0) {
encoders = 1;
} else if (strcmp(argv[i], "-v") == 0) {
fbs = 1;
edid = 1;
crtcs = 1;
modes = 1;
encoders = 1;
full_modes = 1;
full_props = 1;
connectors = 1;
}
}
if (argc == 2) {
fbs = 1;
edid = 1;
crtcs = 1;
modes = 1;
encoders = 1;
full_modes = 0;
full_props = 0;
connectors = 1;
}
}
int main(int argc, char **argv)
{
int fd;
drmModeResPtr res;
if (argc == 1) {
printf("Please add modulename as first argument\n");
return 1;
}
args(argc, argv);
printf("Starting test\n");
fd = drmOpen(module_name, NULL);
if (fd < 0) {
printf("Failed to open the card fd (%d)\n",fd);
return 1;
}
res = drmModeGetResources(fd);
if (res == 0) {
printf("Failed to get resources from card\n");
drmClose(fd);
return 1;
}
printRes(fd, res);
drmModeFreeResources(res);
printf("Ok\n");
return 0;
}