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git01.mediatek.com / openwrt / feeds / mtk-openwrt-feeds / 3f10c679014c7a1d5a82a9259b7e4078f44f64f8 / . / package-21.02 / kernel / crypto-eip / src / ddk / kit / eip197 / eip97_global_fsm.c
blob: e3f5ffbac0b13cd90612f7238c239e08392eb87b [file] [log] [blame]
developer02e65912023-08-17 16:33:10 +0800[diff] [blame]1/* eip97_global_fsm.c
2 *
3 * EIP-97 Global Control Driver Library API State Machine Internal Interface
4 * implementation
5 */
6
7/* -------------------------------------------------------------------------- */
8/* */
9/* Module : ddk197 */
10/* Version : 5.6.1 */
11/* Configuration : DDK-197-GPL */
12/* */
13/* Date : 2022-Dec-16 */
14/* */
15/* Copyright (c) 2008-2022 by Rambus, Inc. and/or its subsidiaries. */
16/* */
17/* This program is free software: you can redistribute it and/or modify */
18/* it under the terms of the GNU General Public License as published by */
19/* the Free Software Foundation, either version 2 of the License, or */
20/* any later version. */
21/* */
22/* This program is distributed in the hope that it will be useful, */
23/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
24/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
25/* GNU General Public License for more details. */
26/* */
27/* You should have received a copy of the GNU General Public License */
28/* along with this program. If not, see <http://www.gnu.org/licenses/>. */
29/* -------------------------------------------------------------------------- */
30
31/*----------------------------------------------------------------------------
32 * This module implements (provides) the following interface(s):
33 */
34
35#include "eip97_global_fsm.h"
36
37/*----------------------------------------------------------------------------
38 * This module uses (requires) the following interface(s):
39 */
40
41// EIP-97 Driver Library Types API
42#include "eip97_global_types.h" // EIP97_Global_* types
43
44
45/*----------------------------------------------------------------------------
46 * EIP97_Global_State_Set
47 *
48 */
49EIP97_Global_Error_t
50EIP97_Global_State_Set(
51 volatile EIP97_Global_State_t * const CurrentState,
52 const EIP97_Global_State_t NewState)
53{
54 switch(*CurrentState)
55 {
56 case EIP97_GLOBAL_STATE_UNKNOWN:
57 switch(NewState)
58 {
59 case EIP97_GLOBAL_STATE_SW_RESET_START:
60 *CurrentState = NewState;
61 break;
62 case EIP97_GLOBAL_STATE_SW_RESET_DONE:
63 *CurrentState = NewState;
64 break;
65 default:
66 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
67 }
68 break;
69
70 case EIP97_GLOBAL_STATE_HW_RESET_DONE:
71 switch(NewState)
72 {
73 case EIP97_GLOBAL_STATE_INITIALIZED:
74 *CurrentState = NewState;
75 break;
76 default:
77 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
78 }
79 break;
80
81 case EIP97_GLOBAL_STATE_SW_RESET_START:
82 switch(NewState)
83 {
84 case EIP97_GLOBAL_STATE_SW_RESET_DONE:
85 *CurrentState = NewState;
86 break;
87 case EIP97_GLOBAL_STATE_SW_RESET_START:
88 *CurrentState = NewState;
89 break;
90 default:
91 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
92 }
93 break;
94
95 case EIP97_GLOBAL_STATE_SW_RESET_DONE:
96 switch(NewState)
97 {
98 case EIP97_GLOBAL_STATE_SW_RESET_DONE:
99 case EIP97_GLOBAL_STATE_INITIALIZED:
100 *CurrentState = NewState;
101 break;
102 default:
103 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
104 }
105 break;
106
107 case EIP97_GLOBAL_STATE_INITIALIZED:
108 switch(NewState)
109 {
110 case EIP97_GLOBAL_STATE_ENABLED:
111 *CurrentState = NewState;
112 break;
113 case EIP97_GLOBAL_STATE_SW_RESET_DONE:
114 *CurrentState = NewState;
115 break;
116 case EIP97_GLOBAL_STATE_INITIALIZED:
117 *CurrentState = NewState;
118 break;
119 default:
120 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
121 }
122 break;
123
124 case EIP97_GLOBAL_STATE_ENABLED:
125 switch(NewState)
126 {
127 case EIP97_GLOBAL_STATE_SW_RESET_START:
128 *CurrentState = NewState;
129 break;
130 case EIP97_GLOBAL_STATE_SW_RESET_DONE:
131 *CurrentState = NewState;
132 break;
133 case EIP97_GLOBAL_STATE_FATAL_ERROR:
134 break;
135 case EIP97_GLOBAL_STATE_ENABLED:
136 break;
137 default:
138 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
139 }
140 break;
141
142 case EIP97_GLOBAL_STATE_FATAL_ERROR:
143 switch(NewState)
144 {
145 case EIP97_GLOBAL_STATE_SW_RESET_START:
146 *CurrentState = NewState;
147 break;
148 case EIP97_GLOBAL_STATE_SW_RESET_DONE:
149 *CurrentState = NewState;
150 break;
151 default:
152 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
153 }
154 break;
155
156 default:
157 return EIP97_GLOBAL_ILLEGAL_IN_STATE;
158 }
159
160 return EIP97_GLOBAL_NO_ERROR;
161}
162
163
164/* end of file eip97_global_fsm.c */