diff options
| author | Simon Glass <sjg@chromium.org> | 2019-04-25 21:59:01 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-05-08 13:02:14 +0800 |
| commit | b69b603bcdeb05f846f76da81e4a681aff6a1001 (patch) | |
| tree | cf00402b9b170e76a7fd8b71db23199ef8ac0b22 /include/pch.h | |
| parent | 079b38ba0485eb745cdcdac7e74986d77d2c13e2 (diff) | |
| download | u-boot-b69b603bcdeb05f846f76da81e4a681aff6a1001.zip u-boot-b69b603bcdeb05f846f76da81e4a681aff6a1001.tar.gz u-boot-b69b603bcdeb05f846f76da81e4a681aff6a1001.tar.bz2 | |
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>
Diffstat (limited to 'include/pch.h')
| -rw-r--r-- | include/pch.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/pch.h b/include/pch.h index 046a5fd..0b44b66 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, @@ -24,6 +27,21 @@ enum pch_req_t { }; /** + * 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 * * Consider using ioctl() to add rarely used or driver-specific operations. |