1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Regulator uapi header 4 * 5 * Author: Naresh Solanki <Naresh.Solanki@9elements.com> 6 */ 7 8 #ifndef _UAPI_REGULATOR_H 9 #define _UAPI_REGULATOR_H 10 11 #ifdef __KERNEL__ 12 #include <linux/types.h> 13 #else 14 #include <stdint.h> 15 #endif 16 17 /* 18 * Regulator notifier events. 19 * 20 * UNDER_VOLTAGE Regulator output is under voltage. 21 * OVER_CURRENT Regulator output current is too high. 22 * REGULATION_OUT Regulator output is out of regulation. 23 * FAIL Regulator output has failed. 24 * OVER_TEMP Regulator over temp. 25 * FORCE_DISABLE Regulator forcibly shut down by software. 26 * VOLTAGE_CHANGE Regulator voltage changed. 27 * Data passed is old voltage cast to (void *). 28 * DISABLE Regulator was disabled. 29 * PRE_VOLTAGE_CHANGE Regulator is about to have voltage changed. 30 * Data passed is "struct pre_voltage_change_data" 31 * ABORT_VOLTAGE_CHANGE Regulator voltage change failed for some reason. 32 * Data passed is old voltage cast to (void *). 33 * PRE_DISABLE Regulator is about to be disabled 34 * ABORT_DISABLE Regulator disable failed for some reason 35 * 36 * NOTE: These events can be OR'ed together when passed into handler. 37 */ 38 39 #define REGULATOR_EVENT_UNDER_VOLTAGE 0x01 40 #define REGULATOR_EVENT_OVER_CURRENT 0x02 41 #define REGULATOR_EVENT_REGULATION_OUT 0x04 42 #define REGULATOR_EVENT_FAIL 0x08 43 #define REGULATOR_EVENT_OVER_TEMP 0x10 44 #define REGULATOR_EVENT_FORCE_DISABLE 0x20 45 #define REGULATOR_EVENT_VOLTAGE_CHANGE 0x40 46 #define REGULATOR_EVENT_DISABLE 0x80 47 #define REGULATOR_EVENT_PRE_VOLTAGE_CHANGE 0x100 48 #define REGULATOR_EVENT_ABORT_VOLTAGE_CHANGE 0x200 49 #define REGULATOR_EVENT_PRE_DISABLE 0x400 50 #define REGULATOR_EVENT_ABORT_DISABLE 0x800 51 #define REGULATOR_EVENT_ENABLE 0x1000 52 /* 53 * Following notifications should be emitted only if detected condition 54 * is such that the HW is likely to still be working but consumers should 55 * take a recovery action to prevent problems escalating into errors. 56 */ 57 #define REGULATOR_EVENT_UNDER_VOLTAGE_WARN 0x2000 58 #define REGULATOR_EVENT_OVER_CURRENT_WARN 0x4000 59 #define REGULATOR_EVENT_OVER_VOLTAGE_WARN 0x8000 60 #define REGULATOR_EVENT_OVER_TEMP_WARN 0x10000 61 #define REGULATOR_EVENT_WARN_MASK 0x1E000 62 63 struct reg_genl_event { 64 char reg_name[32]; 65 uint64_t event; 66 }; 67 68 /* attributes of reg_genl_family */ 69 enum { 70 REG_GENL_ATTR_UNSPEC, 71 REG_GENL_ATTR_EVENT, /* reg event info needed by user space */ 72 __REG_GENL_ATTR_MAX, 73 }; 74 75 #define REG_GENL_ATTR_MAX (__REG_GENL_ATTR_MAX - 1) 76 77 /* commands supported by the reg_genl_family */ 78 enum { 79 REG_GENL_CMD_UNSPEC, 80 REG_GENL_CMD_EVENT, /* kernel->user notifications for reg events */ 81 __REG_GENL_CMD_MAX, 82 }; 83 84 #define REG_GENL_CMD_MAX (__REG_GENL_CMD_MAX - 1) 85 86 #define REG_GENL_FAMILY_NAME "reg_event" 87 #define REG_GENL_VERSION 0x01 88 #define REG_GENL_MCAST_GROUP_NAME "reg_mc_group" 89 90 #endif /* _UAPI_REGULATOR_H */ 91