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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpigen.h>
#include <southbridge/intel/i82801gx/i82801gx.h>
#define MWAIT_RES(state, sub_state) \
{ \
.space_id = ACPI_ADDRESS_SPACE_FIXED, \
.bit_width = ACPI_FFIXEDHW_VENDOR_INTEL, \
.bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT, \
.access_size = ACPI_ACCESS_SIZE_UNDEFINED, \
.addrl = (((state) << 4) | (sub_state)), \
.addrh = 0, \
}
static const acpi_cstate_t cst_entries[] = {
{
.ctype = 1,
.latency = 1,
.power = 1000,
.resource = MWAIT_RES(0, 0),
},
{
.ctype = 2,
.latency = 1,
.power = 500,
.resource = MWAIT_RES(1, 0),
},
{
.ctype = 3,
.latency = 17,
.power = 250,
.resource = MWAIT_RES(2, 0),
},
};
int get_cst_entries(const acpi_cstate_t **entries)
{
*entries = cst_entries;
return ARRAY_SIZE(cst_entries);
}
|