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/* SPDX-License-Identifier: GPL-2.0-or-later */
#define NVPCF_FUNC_SUPPORT 0
#define NVPCF_FUNC_GET_STATIC_CONFIG_TABLES 1
#define NVPCF_FUNC_UPDATE_DYNAMIC_PARAMS 2
Method (NPCF, 2, Serialized)
{
Switch (ToInteger (Arg0))
{
Case (NVPCF_FUNC_SUPPORT)
{
Return (ITOB(
(1 << NVPCF_FUNC_SUPPORT) |
(1 << NVPCF_FUNC_GET_STATIC_CONFIG_TABLES) |
(1 << NVPCF_FUNC_UPDATE_DYNAMIC_PARAMS)))
}
Case (NVPCF_FUNC_GET_STATIC_CONFIG_TABLES)
{
Return (Buffer () {
/* System Device Table Header (v2.0) */
0x20, 0x03, 0x01,
/* System Device Table Entries */
0x00, /* [3:0] CPU type (0=Intel, 1=AMD),
[7:4] GPU type (0=Nvidia) */
/* System Controller Table Header (v2.2), 1 controller entry */
0x22, 0x04, 0x05, 0x01,
/* Controller #1 Flags */
0x01, /* [3:0] Controller class
0=Disabled, 1=Dynamic Boost,
2=CTGP-only.
[7:4] Reserved. Set to 0. */
/* Controller #1 Params */
0x00, /* Class = Dynamic Boost
[0:0] DC support
0=Not supported, 1=Supported
[31:1] Reserved. Set to 0. */
0x00, 0x00, 0x00, 0x00,
/* Twos-complement checksum */
0xad
})
}
Case (NVPCF_FUNC_UPDATE_DYNAMIC_PARAMS)
{
Local0 = Buffer (0x31) {
/* Dynamic Params Table Header (1 controller entry, 0x1c bytes) */
0x22, 0x05, 0x10, 0x1c, 0x01 }
CreateWordField (Local0, 0x05, TGPA)
CreateDWordField (Local0, 0x15, CEO0)
TGPA = 0x50 /* TGP on AC = 10W in 1/8-Watt increments */
CEO0 = 0x200 /* [7:0] Controller index
[8:8] Disable controller on AC
[9:9] Disable controller on DC */
Return (Local0)
}
}
Return (NV_ERROR_UNSUPPORTED)
}
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