summaryrefslogtreecommitdiffstats
path: root/src/ec/apple/acpi/battery.asl
blob: 6d4ab57c63a81349a128b6601c88e018d4453b8d (plain)
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
/* SPDX-License-Identifier: GPL-2.0-only */

Field(ERAM, ByteAcc, NoLock, Preserve)
{
	Offset(0x20),
	SPTR,	8,
	SSTS,	8,
	SADR,	8,
	SCMD,	8,
	SBFR,	256,
}

Field(ERAM, ByteAcc, Lock, Preserve)
{
	Offset(0x24),
	SBDW,	16,
}

Method(SBPC, 0, NotSerialized)
{
	Local0 = 1000
	While (Local0)
	{
		If (SPTR == 0x00)
		{
			Return()
		}

		Sleep(1)
		Local0--
	}
}

Method(SBRW, 2, NotSerialized)
{
	Acquire(ECLK, 0xFFFF)
	SADR = ShiftLeft(Arg0, 0x01)
	SCMD = Arg1
	SPTR = 0x09
	SBPC()
	Local0 = SBDW
	Release(ECLK)
	Return(Local0)
}

Method(SBRB, 2, NotSerialized)
{
	Acquire(ECLK, 0xFFFF)
	SADR = ShiftLeft(Arg0, 0x01)
	SCMD = Arg1
	SPTR = 0x0B
	SBPC()
	Local0 = SBFR
	Release(ECLK)
	Return(Local0)
}

Device(BAT0)
{
	Name(_HID, EisaId("PNP0C0A"))
	Name(_UID, 0x00)
	Name(_PCL, Package() { \_SB })

	Name(BATS, Package()
	{
		0x00,		// 0: PowerUnit: Report in mWh
		0xFFFFFFFF,	// 1: Design cap
		0xFFFFFFFF,	// 2: Last full charge cap
		0x01,		// 3: Battery Technology
		10800,		// 4: Design Voltage(mV)
		0x00,		// 5: Warning design capacity
		200,		// 6: Low design capacity
		10,		// 7: granularity1
		10,		// 8: granularity2
		"",		// 9: Model number
		"",		// A: Serial number
		"",		// B: Battery Type
		""		// C: OEM information
	})

	Name(BATI, Package()
	{
		0, // Battery State
		   // Bit 0 - discharge
		   // Bit 1 - charge
		   // Bit 2 - critical state
		0, // Battery present Rate
		0, // Battery remaining capacity
		0  // Battery present voltage
	})

	Method(_BIF, 0, NotSerialized)
	{
		BATS[1] = ^^SBRW(0x0B, 0x18) * 10
		BATS[2] = ^^SBRW(0x0B, 0x10) * 10

		BATS[4] = ^^SBRW(0x0B, 0x19)
		BATS[9] = ^^SBRB(0x0B, 0x21)
		BATS[11] = ^^SBRB(0x0B, 0x22)
		BATS[12] = ^^SBRB(0x0B, 0x20)

		Return(BATS)
	}

	Method(_STA, 0, NotSerialized)
	{
		If (^^SBRW(0x0A, 0x01) & 0x01) {
			Return(0x1f)
		} else {
			Return(0x0f)
		}
	}

	Method(_BST, 0, NotSerialized)
	{
		/* Check for battery presence.	*/
		If (!(^^SBRW(0x0A, 0x01) & 0x01)) {
			Return(Package(4) {
				0,
				0xFFFFFFFF,
				0xFFFFFFFF,
				0xFFFFFFFF
			})
		}

		Local1 = ^^SBRW(0x0B, 0x09)
		BATI[3] = Local1
		Local0 = ^^SBRW(0x0B, 0x0A)

		/* Sign-extend Local0.	*/
		If (Local0 & 0x8000)
		{
			Local0 = ~Local0
			Local0++
			Local0 &= 0xFFFF
		}

		Local0 *= Local1
		BATI[1] = Local0 / 1000
		BATI[2] = ^^SBRW(0x0B, 0x0F) * 10
		If (HPAC) {
			If (!(^^SBRW(0x0B, 0x16) & 0x40)) {
				BATI[0] = 2
			} Else {
				BATI[0] = 0
			}
		} Else {
			BATI[0] = 1
		}

		Return(BATI)
	}
}