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 <s...@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
*
--
2.21.0.593.g511ec345e18-goog
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