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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Christoph Grenz <christophg+cb@grenz-bonn.de>
* Copyright (C) 2013, 2016 secunet Security Networks AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* Include this file into a mainboard's DSDT _SB device tree and it will
* expose the IT8783E/F SuperIO and some of its functionality.
*
* It allows the change of IO ports, IRQs and DMA settings on logical
* devices, disabling and reenabling logical devices.
*
* LDN State
* 0x0 FDC Not implemented
* 0x1 UARTA Implemented, untested
* 0x2 UARTB Implemented, untested
* 0x3 PP Not implemented
* 0x4 EC Not implemented
* 0x5 KBC Implemented, untested
* 0x6 MOUSE Implemented, untested
* 0x7 GPIO Not implemented
* 0x8 UARTC Implemented, untested
* 0x9 UARTD Implemented, untested
* 0xa UARTE Not implemented
* 0xb UARTF Not implemented
* 0xc CIR Not implemented
*
* Controllable through preprocessor defines:
* SUPERIO_DEV Device identifier for this SIO (e.g. SIO0)
* SUPERIO_PNP_BASE I/O address of the first PnP configuration register
* IT8783EF_SHOW_UARTA If defined, UARTA will be exposed.
* IT8783EF_SHOW_UARTB If defined, UARTB will be exposed.
* IT8783EF_SHOW_UARTC If defined, UARTC will be exposed.
* IT8783EF_SHOW_UARTD If defined, UARTD will be exposed.
* IT8783EF_SHOW_KBC If defined, the KBC will be exposed.
* IT8783EF_SHOW_PS2M If defined, PS/2 mouse support will be exposed.
*/
#undef SUPERIO_CHIP_NAME
#define SUPERIO_CHIP_NAME IT8783EF
#include <superio/acpi/pnp.asl>
#undef PNP_DEFAULT_PSC
#define PNP_DEFAULT_PSC Return (0) /* no power management */
#define CONFIGURE_CONTROL CCTL
Device(SUPERIO_DEV) {
Name (_HID, EisaId("PNP0A05"))
Name (_STR, Unicode("ITE IT8783E/F Super I/O"))
Name (_UID, SUPERIO_UID(SUPERIO_DEV,))
/* Mutex for accesses to the configuration ports */
Mutex(CRMX, 1)
/* SuperIO configuration ports */
OperationRegion (CREG, SystemIO, SUPERIO_PNP_BASE, 0x02)
Field (CREG, ByteAcc, NoLock, Preserve)
{
PNP_ADDR_REG, 8,
PNP_DATA_REG, 8
}
IndexField (PNP_ADDR_REG, PNP_DATA_REG, ByteAcc, NoLock, Preserve)
{
Offset (0x02),
CONFIGURE_CONTROL, 8, /* Global configure control */
Offset (0x07),
PNP_LOGICAL_DEVICE, 8, /* Logical device selector */
Offset (0x30),
PNP_DEVICE_ACTIVE, 1, /* Logical device activation */
Offset (0x60),
PNP_IO0_HIGH_BYTE, 8, /* First I/O port base - high byte */
PNP_IO0_LOW_BYTE, 8, /* First I/O port base - low byte */
Offset (0x62),
PNP_IO1_HIGH_BYTE, 8, /* Second I/O port base - high byte */
PNP_IO1_LOW_BYTE, 8, /* Second I/O port base - low byte */
Offset (0x70),
PNP_IRQ0, 8, /* First IRQ */
}
Method (_CRS)
{
/* Announce the used i/o ports to the OS */
Return (ResourceTemplate () {
IO (Decode16, SUPERIO_PNP_BASE, SUPERIO_PNP_BASE, 0x01, 0x02)
})
}
#undef PNP_ENTER_MAGIC_1ST
#undef PNP_ENTER_MAGIC_2ND
#undef PNP_ENTER_MAGIC_3RD
#undef PNP_ENTER_MAGIC_4TH
#undef PNP_EXIT_MAGIC_1ST
#define PNP_ENTER_MAGIC_1ST 0x87
#define PNP_ENTER_MAGIC_2ND 0x01
#define PNP_ENTER_MAGIC_3RD 0x55
#if SUPERIO_PNP_BASE == 0x2e
#define PNP_ENTER_MAGIC_4TH 0x55
#else
#define PNP_ENTER_MAGIC_4TH 0xaa
#endif
#define PNP_EXIT_SPECIAL_REG CONFIGURE_CONTROL
#define PNP_EXIT_SPECIAL_VAL 0x02
#include <superio/acpi/pnp_config.asl>
#ifdef IT8783EF_SHOW_UARTA
#undef SUPERIO_UART_LDN
#undef SUPERIO_UART_DDN
#undef SUPERIO_UART_PM_REG
#undef SUPERIO_UART_PM_VAL
#undef SUPERIO_UART_PM_LDN
#define SUPERIO_UART_LDN 1
#include <superio/acpi/pnp_uart.asl>
#endif
#ifdef IT8783EF_SHOW_UARTB
#undef SUPERIO_UART_LDN
#undef SUPERIO_UART_DDN
#undef SUPERIO_UART_PM_REG
#undef SUPERIO_UART_PM_VAL
#undef SUPERIO_UART_PM_LDN
#define SUPERIO_UART_LDN 2
#include <superio/acpi/pnp_uart.asl>
#endif
#ifdef IT8783EF_SHOW_KBC
#undef SUPERIO_KBC_LDN
#undef SUPERIO_KBC_PS2M
#undef SUPERIO_KBC_PS2LDN
#define SUPERIO_KBC_LDN 5
#ifdef IT8783EF_SHOW_PS2M
#define SUPERIO_KBC_PS2LDN 6
#endif
#include <superio/acpi/pnp_kbc.asl>
#endif
#ifdef IT8783EF_SHOW_UARTC
#undef SUPERIO_UART_LDN
#undef SUPERIO_UART_DDN
#undef SUPERIO_UART_PM_REG
#undef SUPERIO_UART_PM_VAL
#undef SUPERIO_UART_PM_LDN
#define SUPERIO_UART_LDN 8
#include <superio/acpi/pnp_uart.asl>
#endif
#ifdef IT8783EF_SHOW_UARTD
#undef SUPERIO_UART_LDN
#undef SUPERIO_UART_DDN
#undef SUPERIO_UART_PM_REG
#undef SUPERIO_UART_PM_VAL
#undef SUPERIO_UART_PM_LDN
#define SUPERIO_UART_LDN 9
#include <superio/acpi/pnp_uart.asl>
#endif
}
|