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
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