Add a new ioctl() request to read information about the power-management system. This can be used to power off the device.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: - Add new patch to add an ioctl to read power-management info
include/pch.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/include/pch.h b/include/pch.h index 046a5fde3ab..0b44b66df9f 100644 --- a/include/pch.h +++ b/include/pch.h @@ -16,6 +16,9 @@ enum pch_req_t { /* Returns HDA config info if Azalia V1CTL enabled, -ENOENT if not */ PCH_REQ_HDA_CONFIG,
+ /* Fills out a struct pch_pmbase_info if available */ + PCH_REQ_PMBASE_INFO, + PCH_REQ_TEST1, /* Test requests for sandbox driver */ PCH_REQ_TEST2, PCH_REQ_TEST3, @@ -23,6 +26,21 @@ enum pch_req_t { PCH_REQ_COUNT, /* Number of ioctrls supported */ };
+/** + * struct pch_pmbase_info - Information filled in by PCH_REQ_PMBASE_INFO + * + * @pmbase: IO address of power-management controller + * @gpio0_en_ofs: Offset of GPIO0 enable register + * @pm1_sts_ofs: Offset of status register + * @pm1_cnt_ofs: Offset of control register + */ +struct pch_pmbase_info { + u16 base; + u8 gpio0_en_ofs; + u8 pm1_sts_ofs; + u8 pm1_cnt_ofs; +}; + /** * struct pch_ops - Operations for the Platform Controller Hub *