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| author | Adam Thomson <Adam.Thomson.Opensource@diasemi.com> | 2018-01-02 15:50:50 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-09 09:21:40 -0800 |
| commit | 456ebb4f221e98f507cc945690a670a79682c029 (patch) | |
| tree | 3b8b0751642e1fc6cb74b54514e850bcf2bd2c2e /include/linux/usb | |
| parent | ccefd976f921a280327b17b2896bc809baa7b672 (diff) | |
| download | linux-0-day-456ebb4f221e98f507cc945690a670a79682c029.tar.gz linux-0-day-456ebb4f221e98f507cc945690a670a79682c029.tar.xz | |
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>
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/pd_ado.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/usb/pd_ado.h b/include/linux/usb/pd_ado.h new file mode 100644 index 0000000000000..9aa1cf31c93c1 --- /dev/null +++ b/include/linux/usb/pd_ado.h @@ -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 */ |