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#include <cstdio>
#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <cassert>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <kms++/kms++.h>
using namespace std;
namespace kms
{
struct EncoderPriv
{
drmModeEncoderPtr drm_encoder;
};
static const map<int, string> encoder_types = {
#define DEF_ENC(c) { DRM_MODE_ENCODER_##c, #c }
DEF_ENC(NONE),
DEF_ENC(DAC),
DEF_ENC(TMDS),
DEF_ENC(LVDS),
DEF_ENC(TVDAC),
DEF_ENC(VIRTUAL),
DEF_ENC(DSI),
{ 7, "DPMST" },
{ 8, "DPI" },
#undef DEF_ENC
};
Encoder::Encoder(Card &card, uint32_t id, uint32_t idx)
:DrmPropObject(card, id, DRM_MODE_OBJECT_ENCODER, idx)
{
m_priv = new EncoderPriv();
m_priv->drm_encoder = drmModeGetEncoder(this->card().fd(), this->id());
assert(m_priv->drm_encoder);
}
Encoder::~Encoder()
{
drmModeFreeEncoder(m_priv->drm_encoder);
delete m_priv;
}
void Encoder::refresh()
{
drmModeFreeEncoder(m_priv->drm_encoder);
m_priv->drm_encoder = drmModeGetEncoder(this->card().fd(), this->id());
assert(m_priv->drm_encoder);
}
Crtc* Encoder::get_crtc() const
{
if (m_priv->drm_encoder->crtc_id)
return card().get_crtc(m_priv->drm_encoder->crtc_id);
else
return 0;
}
vector<Crtc*> Encoder::get_possible_crtcs() const
{
unsigned bits = m_priv->drm_encoder->possible_crtcs;
vector<Crtc*> crtcs;
for (int idx = 0; bits; idx++, bits >>= 1) {
if ((bits & 1) == 0)
continue;
auto crtc = card().get_crtcs()[idx];
crtcs.push_back(crtc);
}
return crtcs;
}
const string& Encoder::get_encoder_type() const
{
return encoder_types.at(m_priv->drm_encoder->encoder_type);
}
}
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