x86: pch: Add an ioctl to read power-management info
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> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
parent
079b38ba04
commit
b69b603bcd
|
@ -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
|
||||
*
|
||||
|
|
Loading…
Reference in New Issue
Block a user