ssdt-pcihp.dsl

/*
 * 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; either version 2 of the License, or
 * (at your option) any later version.

 * 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.

 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>.
 */

ACPI_EXTRACT_ALL_CODE ssdp_pcihp_aml

DefinitionBlock ("ssdt-pcihp.aml", "SSDT", 0x01, "BXPC", "BXSSDTPCIHP", 0x1)
{

/****************************************************************
 * PCI hotplug
 ****************************************************************/

    /* Objects supplied by DSDT */
    External(\_SB.PCI0, DeviceObj)
    External(\_SB.PCI0.PCEJ, MethodObj)

    Scope(\_SB.PCI0) {

        /* Bulk generated PCI hotplug devices */
        ACPI_EXTRACT_DEVICE_START ssdt_pcihp_start
        ACPI_EXTRACT_DEVICE_END ssdt_pcihp_end
        ACPI_EXTRACT_DEVICE_STRING ssdt_pcihp_name

        // Method _EJ0 can be patched by BIOS to EJ0_
        // at runtime, if the slot is detected to not support hotplug.
        // Extract the offset of the address dword and the
        // _EJ0 name to allow this patching.
        Device(SAA) {
            ACPI_EXTRACT_NAME_BYTE_CONST ssdt_pcihp_id
            Name(_SUN, 0xAA)
            ACPI_EXTRACT_NAME_DWORD_CONST ssdt_pcihp_adr
            Name(_ADR, 0xAA0000)
            ACPI_EXTRACT_METHOD_STRING ssdt_pcihp_ej0
            Method(_EJ0, 1) {
                Return (PCEJ(_SUN))
            }
        }
    }
}