1 #include <stdio.h>
2 #include <iostream>
3 #include <unistd.h>
4 #include <fcntl.h>
5 #include <cassert>
6 #include <xf86drm.h>
7 #include <xf86drmMode.h>
9 #include "kms++.h"
11 using namespace std;
13 namespace kms
14 {
16 struct EncoderPriv
17 {
18 drmModeEncoderPtr drm_encoder;
19 };
21 Encoder::Encoder(Card &card, uint32_t id)
22 :DrmObject(card, id, DRM_MODE_OBJECT_ENCODER)
23 {
24 m_priv = new EncoderPriv();
25 m_priv->drm_encoder = drmModeGetEncoder(this->card().fd(), this->id());
26 assert(m_priv->drm_encoder);
27 }
29 Encoder::~Encoder()
30 {
31 drmModeFreeEncoder(m_priv->drm_encoder);
32 delete m_priv;
33 }
35 void Encoder::print_short() const
36 {
37 auto e = m_priv->drm_encoder;
39 printf("Encoder %d, %d\n", id(),
40 e->encoder_type);
41 }
43 Crtc* Encoder::get_crtc() const
44 {
45 return card().get_crtc(m_priv->drm_encoder->crtc_id);
46 }
48 vector<Crtc*> Encoder::get_possible_crtcs() const
49 {
50 unsigned bits = m_priv->drm_encoder->possible_crtcs;
51 vector<Crtc*> crtcs;
53 for (int idx = 0; bits; idx++, bits >>= 1) {
54 if ((bits & 1) == 0)
55 continue;
57 auto crtc = card().get_crtc_by_index(idx);
58 crtcs.push_back(crtc);
59 }
61 return crtcs;
62 }
63 }