1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* SPDX-License-Identifier: GPL-2.0-only */
package decoder
import (
"fmt"
"math/bits"
)
type Fields[T uint32 | string] struct {
PortConnectivity T
Location T
DefaultDevice T
ConnectionType T
Color T
Misc T
DefaultAssociation T
Sequence T
}
func getField(config uint32, mask uint32) uint32 {
return (config & mask) >> bits.TrailingZeros32(mask)
}
func Decode(config uint32) Fields[uint32] {
return Fields[uint32]{
PortConnectivity: getField(config, 0xc0000000),
Location: getField(config, 0x3f000000),
DefaultDevice: getField(config, 0x00f00000),
ConnectionType: getField(config, 0x000f0000),
Color: getField(config, 0x0000f000),
Misc: getField(config, 0x00000f00),
DefaultAssociation: getField(config, 0x000000f0),
Sequence: getField(config, 0x0000000f),
}
}
func PortIsConnected(config uint32) bool {
return Decode(config).PortConnectivity != 0x1
}
var portConnectivityDescriptions = map[uint32]string{
0x0: "AZALIA_JACK",
0x1: "AZALIA_NC",
0x2: "AZALIA_INTEGRATED",
0x3: "AZALIA_JACK_AND_INTEGRATED",
}
var grossLocationDescriptions = map[uint32]string{
0x00: "AZALIA_EXTERNAL_PRIMARY_CHASSIS",
0x10: "AZALIA_INTERNAL",
0x20: "AZALIA_SEPARATE_CHASSIS",
0x30: "AZALIA_LOCATION_OTHER",
}
var geometricLocationDescriptions = map[uint32]string{
0x00: "AZALIA_GEOLOCATION_NA",
0x01: "AZALIA_REAR",
0x02: "AZALIA_FRONT",
0x03: "AZALIA_LEFT",
0x04: "AZALIA_RIGHT",
0x05: "AZALIA_TOP",
0x06: "AZALIA_BOTTOM",
0x07: "AZALIA_SPECIAL7",
0x08: "AZALIA_SPECIAL8",
0x09: "AZALIA_SPECIAL9",
}
var specialLocationDescriptions = map[uint32]string{
0x00 | 0x07: "AZALIA_REAR_PANEL",
0x00 | 0x08: "AZALIA_DRIVE_BAY",
0x10 | 0x07: "AZALIA_RISER",
0x10 | 0x08: "AZALIA_DIGITAL_DISPLAY",
0x10 | 0x09: "AZALIA_ATAPI",
0x30 | 0x07: "AZALIA_MOBILE_LID_INSIDE",
0x30 | 0x08: "AZALIA_MOBILE_LID_OUTSIDE",
}
var defaultDeviceDescriptions = map[uint32]string{
0x0: "AZALIA_LINE_OUT",
0x1: "AZALIA_SPEAKER",
0x2: "AZALIA_HP_OUT",
0x3: "AZALIA_CD",
0x4: "AZALIA_SPDIF_OUT",
0x5: "AZALIA_DIGITAL_OTHER_OUT",
0x6: "AZALIA_MODEM_LINE_SIDE",
0x7: "AZALIA_MODEM_HANDSET_SIDE",
0x8: "AZALIA_LINE_IN",
0x9: "AZALIA_AUX",
0xa: "AZALIA_MIC_IN",
0xb: "AZALIA_TELEPHONY",
0xc: "AZALIA_SPDIF_IN",
0xd: "AZALIA_DIGITAL_OTHER_IN",
0xf: "AZALIA_DEVICE_OTHER",
}
var connectionTypeDescriptions = map[uint32]string{
0x0: "AZALIA_TYPE_UNKNOWN",
0x1: "AZALIA_STEREO_MONO_1_8",
0x2: "AZALIA_STEREO_MONO_1_4",
0x3: "AZALIA_ATAPI_INTERNAL",
0x4: "AZALIA_RCA",
0x5: "AZALIA_OPTICAL",
0x6: "AZALIA_OTHER_DIGITAL",
0x7: "AZALIA_OTHER_ANALOG",
0x8: "AZALIA_MULTICHANNEL_ANALOG",
0x9: "AZALIA_XLR",
0xa: "AZALIA_RJ_11",
0xb: "AZALIA_COMBINATION",
0xf: "AZALIA_TYPE_OTHER",
}
var colorDescriptions = map[uint32]string{
0x0: "AZALIA_COLOR_UNKNOWN",
0x1: "AZALIA_BLACK",
0x2: "AZALIA_GREY",
0x3: "AZALIA_BLUE",
0x4: "AZALIA_GREEN",
0x5: "AZALIA_RED",
0x6: "AZALIA_ORANGE",
0x7: "AZALIA_YELLOW",
0x8: "AZALIA_PURPLE",
0x9: "AZALIA_PINK",
0xe: "AZALIA_WHITE",
0xf: "AZALIA_COLOR_OTHER",
}
var miscDescriptions = map[uint32]string{
0x0: "AZALIA_JACK_PRESENCE_DETECT",
0x1: "AZALIA_NO_JACK_PRESENCE_DETECT",
}
func getDescription(field uint32, descriptions map[uint32]string) string {
desc, exists := descriptions[field]
if !exists {
return fmt.Sprintf("0x%x", field)
}
return desc
}
func getLocationDescription(field uint32) string {
desc, isSpecialLocation := specialLocationDescriptions[field]
if isSpecialLocation {
return desc
}
grossLocation := field & 0x30
geometricLocation := field & 0x0f
desc = grossLocationDescriptions[grossLocation]
if geometricLocation != 0x00 {
desc += " | " + getDescription(geometricLocation, geometricLocationDescriptions)
}
return desc
}
func getMiscDescription(field uint32) string {
presenceBit := field & 0b0001
reservedBits := field & 0b1110
desc := miscDescriptions[presenceBit]
if bits.OnesCount32(reservedBits) > 0 {
desc += fmt.Sprintf(" | 0x%x", reservedBits)
}
return desc
}
func ToHumanReadable(fields Fields[uint32]) Fields[string] {
return Fields[string]{
PortConnectivity: getDescription(fields.PortConnectivity, portConnectivityDescriptions),
Location: getLocationDescription(fields.Location),
DefaultDevice: getDescription(fields.DefaultDevice, defaultDeviceDescriptions),
ConnectionType: getDescription(fields.ConnectionType, connectionTypeDescriptions),
Color: getDescription(fields.Color, colorDescriptions),
Misc: getMiscDescription(fields.Misc),
DefaultAssociation: fmt.Sprintf("%d", fields.DefaultAssociation),
Sequence: fmt.Sprintf("%d", fields.Sequence),
}
}
|