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| author |   Tomas Winkler <tomas.winkler@intel.com> | 2014-03-18 22:51:58 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-03 19:20:23 -0400 |
| commit | ee7e5afd2c369b64ffcf419d38ce7ad1c709a53e (patch) | |
| tree | b61d3eea96f2fee5ab8209c44a41dced1e023a60 /drivers/misc/mei/hw.h | |
| parent | mei: me: add power gating isolation register write wrappers (diff) | |
| download | wireguard-linux-ee7e5afd2c369b64ffcf419d38ce7ad1c709a53e.tar.xz wireguard-linux-ee7e5afd2c369b64ffcf419d38ce7ad1c709a53e.zip | |
mei: condition PGI support on HW and HBM version
Enable power gating isolation only if hw and fw support it.
This is indicated by ME_PGIC_HRA bit in ME_CSR_HA register
and on HBM protocol version.
The information is exported to MEI layer through
new pg_is_enabled hw op.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hw.h')
| -rw-r--r-- | drivers/misc/mei/hw.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h index 1d70968d90b6..ec4a91a534e6 100644 --- a/drivers/misc/mei/hw.h +++ b/drivers/misc/mei/hw.h @@ -39,6 +39,12 @@ #define HBM_MINOR_VERSION 0 #define HBM_MAJOR_VERSION 1 +/* + * MEI version with PGI support + */ +#define HBM_MINOR_VERSION_PGI 1 +#define HBM_MAJOR_VERSION_PGI 1 + /* Host bus message command opcode */ #define MEI_HBM_CMD_OP_MSK 0x7f /* Host bus message command RESPONSE */ |