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linux-next/include/linux/usb/pd_ado.h
Adam Thomson 456ebb4f22 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>
2018-03-09 09:21:40 -08:00

43 lines
1.2 KiB
C

// 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 */