xref: /aosp_15_r20/external/libkmsxx/kms++/src/property.cpp (revision f0687c8a10b3e371dbe09214db6664e37c283cca)
1*f0687c8aSRaman Tenneti #include <xf86drm.h>
2*f0687c8aSRaman Tenneti #include <xf86drmMode.h>
3*f0687c8aSRaman Tenneti 
4*f0687c8aSRaman Tenneti #include <kms++/kms++.h>
5*f0687c8aSRaman Tenneti 
6*f0687c8aSRaman Tenneti using namespace std;
7*f0687c8aSRaman Tenneti 
8*f0687c8aSRaman Tenneti namespace kms
9*f0687c8aSRaman Tenneti {
10*f0687c8aSRaman Tenneti struct PropertyPriv {
11*f0687c8aSRaman Tenneti 	drmModePropertyPtr drm_prop;
12*f0687c8aSRaman Tenneti };
13*f0687c8aSRaman Tenneti 
Property(Card & card,uint32_t id)14*f0687c8aSRaman Tenneti Property::Property(Card& card, uint32_t id)
15*f0687c8aSRaman Tenneti 	: DrmObject(card, id, DRM_MODE_OBJECT_PROPERTY)
16*f0687c8aSRaman Tenneti {
17*f0687c8aSRaman Tenneti 	m_priv = new PropertyPriv();
18*f0687c8aSRaman Tenneti 	m_priv->drm_prop = drmModeGetProperty(card.fd(), id);
19*f0687c8aSRaman Tenneti 	m_name = m_priv->drm_prop->name;
20*f0687c8aSRaman Tenneti 
21*f0687c8aSRaman Tenneti 	PropertyType t;
22*f0687c8aSRaman Tenneti 	drmModePropertyPtr p = m_priv->drm_prop;
23*f0687c8aSRaman Tenneti 	if (drm_property_type_is(p, DRM_MODE_PROP_BITMASK))
24*f0687c8aSRaman Tenneti 		t = PropertyType::Bitmask;
25*f0687c8aSRaman Tenneti 	else if (drm_property_type_is(p, DRM_MODE_PROP_BLOB))
26*f0687c8aSRaman Tenneti 		t = PropertyType::Blob;
27*f0687c8aSRaman Tenneti 	else if (drm_property_type_is(p, DRM_MODE_PROP_ENUM))
28*f0687c8aSRaman Tenneti 		t = PropertyType::Enum;
29*f0687c8aSRaman Tenneti 	else if (drm_property_type_is(p, DRM_MODE_PROP_OBJECT))
30*f0687c8aSRaman Tenneti 		t = PropertyType::Object;
31*f0687c8aSRaman Tenneti 	else if (drm_property_type_is(p, DRM_MODE_PROP_RANGE))
32*f0687c8aSRaman Tenneti 		t = PropertyType::Range;
33*f0687c8aSRaman Tenneti 	else if (drm_property_type_is(p, DRM_MODE_PROP_SIGNED_RANGE))
34*f0687c8aSRaman Tenneti 		t = PropertyType::SignedRange;
35*f0687c8aSRaman Tenneti 	else
36*f0687c8aSRaman Tenneti 		throw invalid_argument("Invalid property type");
37*f0687c8aSRaman Tenneti 
38*f0687c8aSRaman Tenneti 	m_type = t;
39*f0687c8aSRaman Tenneti }
40*f0687c8aSRaman Tenneti 
~Property()41*f0687c8aSRaman Tenneti Property::~Property()
42*f0687c8aSRaman Tenneti {
43*f0687c8aSRaman Tenneti 	drmModeFreeProperty(m_priv->drm_prop);
44*f0687c8aSRaman Tenneti 	delete m_priv;
45*f0687c8aSRaman Tenneti }
46*f0687c8aSRaman Tenneti 
name() const47*f0687c8aSRaman Tenneti const string& Property::name() const
48*f0687c8aSRaman Tenneti {
49*f0687c8aSRaman Tenneti 	return m_name;
50*f0687c8aSRaman Tenneti }
51*f0687c8aSRaman Tenneti 
is_immutable() const52*f0687c8aSRaman Tenneti bool Property::is_immutable() const
53*f0687c8aSRaman Tenneti {
54*f0687c8aSRaman Tenneti 	return m_priv->drm_prop->flags & DRM_MODE_PROP_IMMUTABLE;
55*f0687c8aSRaman Tenneti }
56*f0687c8aSRaman Tenneti 
is_pending() const57*f0687c8aSRaman Tenneti bool Property::is_pending() const
58*f0687c8aSRaman Tenneti {
59*f0687c8aSRaman Tenneti 	return m_priv->drm_prop->flags & DRM_MODE_PROP_PENDING;
60*f0687c8aSRaman Tenneti }
61*f0687c8aSRaman Tenneti 
get_values() const62*f0687c8aSRaman Tenneti vector<uint64_t> Property::get_values() const
63*f0687c8aSRaman Tenneti {
64*f0687c8aSRaman Tenneti 	drmModePropertyPtr p = m_priv->drm_prop;
65*f0687c8aSRaman Tenneti 	return vector<uint64_t>(p->values, p->values + p->count_values);
66*f0687c8aSRaman Tenneti }
67*f0687c8aSRaman Tenneti 
get_enums() const68*f0687c8aSRaman Tenneti map<uint64_t, string> Property::get_enums() const
69*f0687c8aSRaman Tenneti {
70*f0687c8aSRaman Tenneti 	drmModePropertyPtr p = m_priv->drm_prop;
71*f0687c8aSRaman Tenneti 
72*f0687c8aSRaman Tenneti 	map<uint64_t, string> map;
73*f0687c8aSRaman Tenneti 
74*f0687c8aSRaman Tenneti 	for (int i = 0; i < p->count_enums; ++i)
75*f0687c8aSRaman Tenneti 		map[p->enums[i].value] = string(p->enums[i].name);
76*f0687c8aSRaman Tenneti 
77*f0687c8aSRaman Tenneti 	return map;
78*f0687c8aSRaman Tenneti }
79*f0687c8aSRaman Tenneti 
get_blob_ids() const80*f0687c8aSRaman Tenneti vector<uint32_t> Property::get_blob_ids() const
81*f0687c8aSRaman Tenneti {
82*f0687c8aSRaman Tenneti 	drmModePropertyPtr p = m_priv->drm_prop;
83*f0687c8aSRaman Tenneti 	return vector<uint32_t>(p->blob_ids, p->blob_ids + p->count_blobs);
84*f0687c8aSRaman Tenneti }
85*f0687c8aSRaman Tenneti } // namespace kms
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