libdrm_util.c

#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "xf86drm.h"
#include "xf86drmMode.h"
#include "libdrm_util.h"

struct type_name {
        unsigned int type;
        const char *name;
};

static const char *util_lookup_type_name(unsigned int type,
                                         const struct type_name *table,
                                         unsigned int count)
{
        unsigned int i;

        for (i = 0; i < count; i++)
                if (table[i].type == type)
                        return table[i].name;

        return NULL;
}

static const struct type_name connector_status_names[] = {
        { DRM_MODE_CONNECTED, "connected" },
        { DRM_MODE_DISCONNECTED, "disconnected" },
        { DRM_MODE_UNKNOWNCONNECTION, "unknown" },
};

const char *util_lookup_connector_status_name(unsigned int status)
{
        return util_lookup_type_name(status, connector_status_names,
                                     ARRAY_SIZE(connector_status_names));
}

static const struct type_name connector_type_names[] = {
        { DRM_MODE_CONNECTOR_Unknown, "unknown" },
        { DRM_MODE_CONNECTOR_VGA, "VGA" },
        { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
        { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
        { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
        { DRM_MODE_CONNECTOR_Composite, "composite" },
        { DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
        { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
        { DRM_MODE_CONNECTOR_Component, "component" },
        { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
        { DRM_MODE_CONNECTOR_DisplayPort, "DP" },
        { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
        { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
        { DRM_MODE_CONNECTOR_TV, "TV" },
        { DRM_MODE_CONNECTOR_eDP, "eDP" },
        { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" },
        { DRM_MODE_CONNECTOR_DSI, "DSI" },
        { DRM_MODE_CONNECTOR_DPI, "DPI" },
};

const char *util_lookup_connector_type_name(unsigned int type)
{
        return util_lookup_type_name(type, connector_type_names,
                                     ARRAY_SIZE(connector_type_names));
}