[SeaBIOS] [RFC][PATCH 1/2] acpi: add ASL for Embedded Controller

Marc Jones marcj303 at gmail.com
Wed Apr 17 15:46:34 CEST 2013


What EC is this for? The device and interface is defined by the spec, but
the offsets and methods are custom for every EC.


Marc


On Wed, Apr 17, 2013 at 1:22 AM, liguang <lig.fnst at cn.fujitsu.com> wrote:

> defined at ACPI SPEC v5 chapter 12:
> "ACPI Embedded Controller Interface Specification"
>
> Signed-off-by: liguang <lig.fnst at cn.fujitsu.com>
> ---
>  src/acpi-dsdt-ec.dsl |  106
> ++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 106 insertions(+), 0 deletions(-)
>  create mode 100644 src/acpi-dsdt-ec.dsl
>
> diff --git a/src/acpi-dsdt-ec.dsl b/src/acpi-dsdt-ec.dsl
> new file mode 100644
> index 0000000..6bd8edd
> --- /dev/null
> +++ b/src/acpi-dsdt-ec.dsl
> @@ -0,0 +1,106 @@
> +/*
> + * 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
> USA
> + */
> +
> +
> +Device (EC0)
> +{
> +       Name (_HID, EISAID ("PNP0C09"))
> +       Name(_UID, 1)
> +
> +       Method(_CRS, 0)
> +       {
> +       Name(BFFR, ResourceTemplate()
> +       {
> +               IO(Decode16, 0x62, 0x62, 0, 1)      // ACPI DATA IN/OUT
> +               IO(Decode16, 0x66, 0x66, 0, 1)      // CMD/STS
> +               IRQ(Edge, ActiveHigh, Exclusive) {0x0B}
> +       })
> +    Return(BFFR)
> +       }
> +
> +       OperationRegion(ECF0, EmbeddedControl, 0, 0xFF)
> +    Field(ECF2, ByteAcc, Lock, Preserve)
> +       {
> +               Offset(1),
> +               STMP,   8,      // 1,      Sensor Temperature
> +               ACPW,   8,      // 2,      AC Power (AC Present = 1, else
> 0)
> +               LIDS,   8,      // 3,      Lid State (Lid Open = 1, else 0)
> +               PBNS,   8,      // 4,      Power Button State (Pressed =
> 1, else 0)
> +               BTST,   8,      // 5,      Battery Status
> +               BTCR,   8,      // 6,      Battery Current Rate
> +               BTCC,   8,      // 7,      Battery Current Capacity
> +               BTVT,   8,      // 8,      Battery Voltage
> +               offset(0x10),
> +               SPTR,   8,      // 5,      SMBus Protocol Register
> +               SSTS,   8,      // 5,      SMBus Status Register
> +               SADR,   8,      // 6,      SMBus Address Register
> +               SCMD,   8,      // 7,      SMBus Command Register
> +               SBFR,   256,    // 8,      SMBus Block Buffer
> +               SCNT,   8,      // 40,     SMBus Block Count
> +       }
> +
> +       Method(_REG, 2)
> +       {
> +       }
> +
> +       /* AC status: present */
> +       Method(_Q01, 0, NotSerialized)
> +       {
> +               Notify (AC, 0x80)
> +       }
> +
> +       /* AC status: dispear*/
> +       Method(_Q02, 0, NotSerialized)
> +       {
> +               Notify (AC, 0x80)
> +       }
> +
> +    Method(_Q04, 0, NotSerialized)
> +    {
> +       Notify(LID, 0x80)
> +    }
> +
> +    Method(_Q04, 0, NotSerialized)
> +    {
> +       Notify(LID, 0x80)
> +    }
> +
> +       Device(AC)
> +       {
> +               Name(_HID, "ACPI0003")
> +               Name(_UID, 0x00)
> +               Name(_PCL, Package() { \_SB } )
> +
> +               Method(_PSR, 0, NotSerialized)
> +               {
> +                       return (ACPW)
> +               }
> +
> +               Method(_STA, 0, NotSerialized)
> +               {
> +                       Return (0x0f)
> +               }
> +       }
> +
> +       Device(LID)
> +       {
> +               Name(_HID, "PNP0C0D")
> +
> +               Method(_LID, 0, NotSerialized)
> +               {
> +                       return (LIDS)
> +               }
> +       }
> +}
> --
> 1.7.2.5
>
>
> _______________________________________________
> SeaBIOS mailing list
> SeaBIOS at seabios.org
> http://www.seabios.org/mailman/listinfo/seabios
>



-- 
http://se-eng.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.seabios.org/pipermail/seabios/attachments/20130417/09d183af/attachment.html>


More information about the SeaBIOS mailing list