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@xxxxxxxxxxx> --- include/linux/usb/pd_ado.h | 49 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 include/linux/usb/pd_ado.h diff --git a/include/linux/usb/pd_ado.h b/include/linux/usb/pd_ado.h new file mode 100644 index 0000000..edcbcfa --- /dev/null +++ b/include/linux/usb/pd_ado.h @@ -0,0 +1,49 @@ +/* + * Copyright (c) 2017 Dialog Semiconductor + * + * Author: Adam Thomson <Adam.Thomson.Opensource@xxxxxxxxxxx> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __LINUX_USB_PD_ADO_H +#define __LINUX_USB_PD_ADO_H + +/* ADO : Alert Data Object */ +#define ADO_TYPE_SHIFT 24 +#define ADO_TYPE_MASK 0xff +#define ADO_FIXED_BATT_SHIFT 20 +#define ADO_FIXED_BATT_MASK 0xf +#define ADO_HOT_SWAP_BATT_SHIFT 16 +#define ADO_HOT_SWAP_BATT_MASK 0xf + +#define ADO_TYPE_BATT_STATUS_CHANGE BIT(1) +#define ADO_TYPE_OCP BIT(2) +#define ADO_TYPE_OTP BIT(3) +#define ADO_TYPE_OP_COND_CHANGE BIT(4) +#define ADO_TYPE_SRC_INPUT_CHANGE BIT(5) +#define ADO_TYPE_OVP BIT(6) + +static inline unsigned int ado_type(u32 ado) +{ + return (ado >> ADO_TYPE_SHIFT) & ADO_TYPE_MASK; +} + +static inline unsigned int ado_fixed_batt(u32 ado) +{ + return (ado >> ADO_FIXED_BATT_SHIFT) & ADO_FIXED_BATT_MASK; +} + +static inline unsigned int ado_hot_swap_batt(u32 ado) +{ + return (ado >> ADO_HOT_SWAP_BATT_SHIFT) & ADO_HOT_SWAP_BATT_MASK; +} +#endif /* __LINUX_USB_PD_ADO_H */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html