openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

typec: tcpm: Add ADO header for Alert message handling 

This commit adds a header providing definitions for handling Alert
messages. Currently the header only focuses on handling incoming
alerts.

Signed-off-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Adam Thomson 2018-01-02 15:50:50 +00:00 committed by Greg Kroah-Hartman
parent ccefd976f9
commit 456ebb4f22
1 changed files with 42 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
include/linux/usb/pd_ado.h Normal file
View File

@ -0,0 +1,42 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2017 Dialog Semiconductor
*
* Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
*/
#ifndef __LINUX_USB_PD_ADO_H
#define __LINUX_USB_PD_ADO_H
/* ADO : Alert Data Object */
#define USB_PD_ADO_TYPE_SHIFT 24
#define USB_PD_ADO_TYPE_MASK 0xff
#define USB_PD_ADO_FIXED_BATT_SHIFT 20
#define USB_PD_ADO_FIXED_BATT_MASK 0xf
#define USB_PD_ADO_HOT_SWAP_BATT_SHIFT 16
#define USB_PD_ADO_HOT_SWAP_BATT_MASK 0xf
#define USB_PD_ADO_TYPE_BATT_STATUS_CHANGE BIT(1)
#define USB_PD_ADO_TYPE_OCP BIT(2)
#define USB_PD_ADO_TYPE_OTP BIT(3)
#define USB_PD_ADO_TYPE_OP_COND_CHANGE BIT(4)
#define USB_PD_ADO_TYPE_SRC_INPUT_CHANGE BIT(5)
#define USB_PD_ADO_TYPE_OVP BIT(6)
static inline unsigned int usb_pd_ado_type(u32 ado)
{
return (ado >> USB_PD_ADO_TYPE_SHIFT) & USB_PD_ADO_TYPE_MASK;
}
static inline unsigned int usb_pd_ado_fixed_batt(u32 ado)
{
return (ado >> USB_PD_ADO_FIXED_BATT_SHIFT) &
USB_PD_ADO_FIXED_BATT_MASK;
}
static inline unsigned int usb_pd_ado_hot_swap_batt(u32 ado)
{
return (ado >> USB_PD_ADO_HOT_SWAP_BATT_SHIFT) &
USB_PD_ADO_HOT_SWAP_BATT_MASK;
}
#endif /* __LINUX_USB_PD_ADO_H */