1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 * da7219-aad.h - DA7322 ASoC AAD Driver 2 * da7219-aad.h - DA7322 ASoC AAD Driver
4 * 3 *
5 * Copyright (c) 2015 Dialog Semiconductor Ltd 4 * Copyright (c) 2015 Dialog Semiconductor Ltd.
6 * 5 *
7 * Author: Adam Thomson <Adam.Thomson.Opensour 6 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
>> 7 *
>> 8 * This program is free software; you can redistribute it and/or modify it
>> 9 * under the terms of the GNU General Public License as published by the
>> 10 * Free Software Foundation; either version 2 of the License, or (at your
>> 11 * option) any later version.
8 */ 12 */
9 13
10 #ifndef __DA7219_AAD_H 14 #ifndef __DA7219_AAD_H
11 #define __DA7219_AAD_H 15 #define __DA7219_AAD_H
12 16
13 #include <linux/timer.h> 17 #include <linux/timer.h>
14 #include <linux/mutex.h> <<
15 #include <sound/soc.h> 18 #include <sound/soc.h>
16 #include <sound/jack.h> 19 #include <sound/jack.h>
17 #include <sound/da7219-aad.h> 20 #include <sound/da7219-aad.h>
18 21
19 /* 22 /*
20 * Registers 23 * Registers
21 */ 24 */
22 25
23 #define DA7219_ACCDET_STATUS_A 0xC0 26 #define DA7219_ACCDET_STATUS_A 0xC0
24 #define DA7219_ACCDET_STATUS_B 0xC1 27 #define DA7219_ACCDET_STATUS_B 0xC1
25 #define DA7219_ACCDET_IRQ_EVENT_A 0xC2 28 #define DA7219_ACCDET_IRQ_EVENT_A 0xC2
26 #define DA7219_ACCDET_IRQ_EVENT_B 0xC3 29 #define DA7219_ACCDET_IRQ_EVENT_B 0xC3
27 #define DA7219_ACCDET_IRQ_MASK_A 0xC4 30 #define DA7219_ACCDET_IRQ_MASK_A 0xC4
28 #define DA7219_ACCDET_IRQ_MASK_B 0xC5 31 #define DA7219_ACCDET_IRQ_MASK_B 0xC5
29 #define DA7219_ACCDET_CONFIG_1 0xC6 32 #define DA7219_ACCDET_CONFIG_1 0xC6
30 #define DA7219_ACCDET_CONFIG_2 0xC7 33 #define DA7219_ACCDET_CONFIG_2 0xC7
31 #define DA7219_ACCDET_CONFIG_3 0xC8 34 #define DA7219_ACCDET_CONFIG_3 0xC8
32 #define DA7219_ACCDET_CONFIG_4 0xC9 35 #define DA7219_ACCDET_CONFIG_4 0xC9
33 #define DA7219_ACCDET_CONFIG_5 0xCA 36 #define DA7219_ACCDET_CONFIG_5 0xCA
34 #define DA7219_ACCDET_CONFIG_6 0xCB 37 #define DA7219_ACCDET_CONFIG_6 0xCB
35 #define DA7219_ACCDET_CONFIG_7 0xCC 38 #define DA7219_ACCDET_CONFIG_7 0xCC
36 #define DA7219_ACCDET_CONFIG_8 0xCD 39 #define DA7219_ACCDET_CONFIG_8 0xCD
37 40
38 41
39 /* 42 /*
40 * Bit Fields 43 * Bit Fields
41 */ 44 */
42 45
43 /* DA7219_ACCDET_STATUS_A = 0xC0 */ 46 /* DA7219_ACCDET_STATUS_A = 0xC0 */
44 #define DA7219_JACK_INSERTION_STS_SHIFT 0 47 #define DA7219_JACK_INSERTION_STS_SHIFT 0
45 #define DA7219_JACK_INSERTION_STS_MASK (0x1 < 48 #define DA7219_JACK_INSERTION_STS_MASK (0x1 << 0)
46 #define DA7219_JACK_TYPE_STS_SHIFT 1 49 #define DA7219_JACK_TYPE_STS_SHIFT 1
47 #define DA7219_JACK_TYPE_STS_MASK (0x1 < 50 #define DA7219_JACK_TYPE_STS_MASK (0x1 << 1)
48 #define DA7219_JACK_PIN_ORDER_STS_SHIFT 2 51 #define DA7219_JACK_PIN_ORDER_STS_SHIFT 2
49 #define DA7219_JACK_PIN_ORDER_STS_MASK (0x1 < 52 #define DA7219_JACK_PIN_ORDER_STS_MASK (0x1 << 2)
50 #define DA7219_MICBIAS_UP_STS_SHIFT 3 53 #define DA7219_MICBIAS_UP_STS_SHIFT 3
51 #define DA7219_MICBIAS_UP_STS_MASK (0x1 < 54 #define DA7219_MICBIAS_UP_STS_MASK (0x1 << 3)
52 55
53 /* DA7219_ACCDET_STATUS_B = 0xC1 */ 56 /* DA7219_ACCDET_STATUS_B = 0xC1 */
54 #define DA7219_BUTTON_TYPE_STS_SHIFT 0 57 #define DA7219_BUTTON_TYPE_STS_SHIFT 0
55 #define DA7219_BUTTON_TYPE_STS_MASK (0xFF 58 #define DA7219_BUTTON_TYPE_STS_MASK (0xFF << 0)
56 59
57 /* DA7219_ACCDET_IRQ_EVENT_A = 0xC2 */ 60 /* DA7219_ACCDET_IRQ_EVENT_A = 0xC2 */
58 #define DA7219_E_JACK_INSERTED_SHIFT 61 #define DA7219_E_JACK_INSERTED_SHIFT 0
59 #define DA7219_E_JACK_INSERTED_MASK 62 #define DA7219_E_JACK_INSERTED_MASK (0x1 << 0)
60 #define DA7219_E_JACK_REMOVED_SHIFT 63 #define DA7219_E_JACK_REMOVED_SHIFT 1
61 #define DA7219_E_JACK_REMOVED_MASK 64 #define DA7219_E_JACK_REMOVED_MASK (0x1 << 1)
62 #define DA7219_E_JACK_DETECT_COMPLETE_SHIFT 65 #define DA7219_E_JACK_DETECT_COMPLETE_SHIFT 2
63 #define DA7219_E_JACK_DETECT_COMPLETE_MASK 66 #define DA7219_E_JACK_DETECT_COMPLETE_MASK (0x1 << 2)
64 67
65 /* DA7219_ACCDET_IRQ_EVENT_B = 0xC3 */ 68 /* DA7219_ACCDET_IRQ_EVENT_B = 0xC3 */
66 #define DA7219_E_BUTTON_A_PRESSED_SHIFT 69 #define DA7219_E_BUTTON_A_PRESSED_SHIFT 0
67 #define DA7219_E_BUTTON_A_PRESSED_MASK 70 #define DA7219_E_BUTTON_A_PRESSED_MASK (0x1 << 0)
68 #define DA7219_E_BUTTON_B_PRESSED_SHIFT 71 #define DA7219_E_BUTTON_B_PRESSED_SHIFT 1
69 #define DA7219_E_BUTTON_B_PRESSED_MASK 72 #define DA7219_E_BUTTON_B_PRESSED_MASK (0x1 << 1)
70 #define DA7219_E_BUTTON_C_PRESSED_SHIFT 73 #define DA7219_E_BUTTON_C_PRESSED_SHIFT 2
71 #define DA7219_E_BUTTON_C_PRESSED_MASK 74 #define DA7219_E_BUTTON_C_PRESSED_MASK (0x1 << 2)
72 #define DA7219_E_BUTTON_D_PRESSED_SHIFT 75 #define DA7219_E_BUTTON_D_PRESSED_SHIFT 3
73 #define DA7219_E_BUTTON_D_PRESSED_MASK 76 #define DA7219_E_BUTTON_D_PRESSED_MASK (0x1 << 3)
74 #define DA7219_E_BUTTON_D_RELEASED_SHIFT 77 #define DA7219_E_BUTTON_D_RELEASED_SHIFT 4
75 #define DA7219_E_BUTTON_D_RELEASED_MASK 78 #define DA7219_E_BUTTON_D_RELEASED_MASK (0x1 << 4)
76 #define DA7219_E_BUTTON_C_RELEASED_SHIFT 79 #define DA7219_E_BUTTON_C_RELEASED_SHIFT 5
77 #define DA7219_E_BUTTON_C_RELEASED_MASK 80 #define DA7219_E_BUTTON_C_RELEASED_MASK (0x1 << 5)
78 #define DA7219_E_BUTTON_B_RELEASED_SHIFT 81 #define DA7219_E_BUTTON_B_RELEASED_SHIFT 6
79 #define DA7219_E_BUTTON_B_RELEASED_MASK 82 #define DA7219_E_BUTTON_B_RELEASED_MASK (0x1 << 6)
80 #define DA7219_E_BUTTON_A_RELEASED_SHIFT 83 #define DA7219_E_BUTTON_A_RELEASED_SHIFT 7
81 #define DA7219_E_BUTTON_A_RELEASED_MASK 84 #define DA7219_E_BUTTON_A_RELEASED_MASK (0x1 << 7)
82 85
83 /* DA7219_ACCDET_IRQ_MASK_A = 0xC4 */ 86 /* DA7219_ACCDET_IRQ_MASK_A = 0xC4 */
84 #define DA7219_M_JACK_INSERTED_SHIFT 87 #define DA7219_M_JACK_INSERTED_SHIFT 0
85 #define DA7219_M_JACK_INSERTED_MASK 88 #define DA7219_M_JACK_INSERTED_MASK (0x1 << 0)
86 #define DA7219_M_JACK_REMOVED_SHIFT 89 #define DA7219_M_JACK_REMOVED_SHIFT 1
87 #define DA7219_M_JACK_REMOVED_MASK 90 #define DA7219_M_JACK_REMOVED_MASK (0x1 << 1)
88 #define DA7219_M_JACK_DETECT_COMPLETE_SHIFT 91 #define DA7219_M_JACK_DETECT_COMPLETE_SHIFT 2
89 #define DA7219_M_JACK_DETECT_COMPLETE_MASK 92 #define DA7219_M_JACK_DETECT_COMPLETE_MASK (0x1 << 2)
90 93
91 /* DA7219_ACCDET_IRQ_MASK_B = 0xC5 */ 94 /* DA7219_ACCDET_IRQ_MASK_B = 0xC5 */
92 #define DA7219_M_BUTTON_A_PRESSED_SHIFT 95 #define DA7219_M_BUTTON_A_PRESSED_SHIFT 0
93 #define DA7219_M_BUTTON_A_PRESSED_MASK 96 #define DA7219_M_BUTTON_A_PRESSED_MASK (0x1 << 0)
94 #define DA7219_M_BUTTON_B_PRESSED_SHIFT 97 #define DA7219_M_BUTTON_B_PRESSED_SHIFT 1
95 #define DA7219_M_BUTTON_B_PRESSED_MASK 98 #define DA7219_M_BUTTON_B_PRESSED_MASK (0x1 << 1)
96 #define DA7219_M_BUTTON_C_PRESSED_SHIFT 99 #define DA7219_M_BUTTON_C_PRESSED_SHIFT 2
97 #define DA7219_M_BUTTON_C_PRESSED_MASK 100 #define DA7219_M_BUTTON_C_PRESSED_MASK (0x1 << 2)
98 #define DA7219_M_BUTTON_D_PRESSED_SHIFT 101 #define DA7219_M_BUTTON_D_PRESSED_SHIFT 3
99 #define DA7219_M_BUTTON_D_PRESSED_MASK 102 #define DA7219_M_BUTTON_D_PRESSED_MASK (0x1 << 3)
100 #define DA7219_M_BUTTON_D_RELEASED_SHIFT 103 #define DA7219_M_BUTTON_D_RELEASED_SHIFT 4
101 #define DA7219_M_BUTTON_D_RELEASED_MASK 104 #define DA7219_M_BUTTON_D_RELEASED_MASK (0x1 << 4)
102 #define DA7219_M_BUTTON_C_RELEASED_SHIFT 105 #define DA7219_M_BUTTON_C_RELEASED_SHIFT 5
103 #define DA7219_M_BUTTON_C_RELEASED_MASK 106 #define DA7219_M_BUTTON_C_RELEASED_MASK (0x1 << 5)
104 #define DA7219_M_BUTTON_B_RELEASED_SHIFT 107 #define DA7219_M_BUTTON_B_RELEASED_SHIFT 6
105 #define DA7219_M_BUTTON_B_RELEASED_MASK 108 #define DA7219_M_BUTTON_B_RELEASED_MASK (0x1 << 6)
106 #define DA7219_M_BUTTON_A_RELEASED_SHIFT 109 #define DA7219_M_BUTTON_A_RELEASED_SHIFT 7
107 #define DA7219_M_BUTTON_A_RELEASED_MASK 110 #define DA7219_M_BUTTON_A_RELEASED_MASK (0x1 << 7)
108 111
109 /* DA7219_ACCDET_CONFIG_1 = 0xC6 */ 112 /* DA7219_ACCDET_CONFIG_1 = 0xC6 */
110 #define DA7219_ACCDET_EN_SHIFT 0 113 #define DA7219_ACCDET_EN_SHIFT 0
111 #define DA7219_ACCDET_EN_MASK (0x1 < 114 #define DA7219_ACCDET_EN_MASK (0x1 << 0)
112 #define DA7219_BUTTON_CONFIG_SHIFT 1 115 #define DA7219_BUTTON_CONFIG_SHIFT 1
113 #define DA7219_BUTTON_CONFIG_MASK (0x7 < 116 #define DA7219_BUTTON_CONFIG_MASK (0x7 << 1)
114 #define DA7219_MIC_DET_THRESH_SHIFT 4 117 #define DA7219_MIC_DET_THRESH_SHIFT 4
115 #define DA7219_MIC_DET_THRESH_MASK (0x3 < 118 #define DA7219_MIC_DET_THRESH_MASK (0x3 << 4)
116 #define DA7219_JACK_TYPE_DET_EN_SHIFT 6 119 #define DA7219_JACK_TYPE_DET_EN_SHIFT 6
117 #define DA7219_JACK_TYPE_DET_EN_MASK (0x1 < 120 #define DA7219_JACK_TYPE_DET_EN_MASK (0x1 << 6)
118 #define DA7219_PIN_ORDER_DET_EN_SHIFT 7 121 #define DA7219_PIN_ORDER_DET_EN_SHIFT 7
119 #define DA7219_PIN_ORDER_DET_EN_MASK (0x1 < 122 #define DA7219_PIN_ORDER_DET_EN_MASK (0x1 << 7)
120 123
121 /* DA7219_ACCDET_CONFIG_2 = 0xC7 */ 124 /* DA7219_ACCDET_CONFIG_2 = 0xC7 */
122 #define DA7219_ACCDET_PAUSE_SHIFT 0 125 #define DA7219_ACCDET_PAUSE_SHIFT 0
123 #define DA7219_ACCDET_PAUSE_MASK (0x1 < 126 #define DA7219_ACCDET_PAUSE_MASK (0x1 << 0)
124 #define DA7219_JACKDET_DEBOUNCE_SHIFT 1 127 #define DA7219_JACKDET_DEBOUNCE_SHIFT 1
125 #define DA7219_JACKDET_DEBOUNCE_MASK (0x7 < 128 #define DA7219_JACKDET_DEBOUNCE_MASK (0x7 << 1)
126 #define DA7219_JACK_DETECT_RATE_SHIFT 4 129 #define DA7219_JACK_DETECT_RATE_SHIFT 4
127 #define DA7219_JACK_DETECT_RATE_MASK (0x3 < 130 #define DA7219_JACK_DETECT_RATE_MASK (0x3 << 4)
128 #define DA7219_JACKDET_REM_DEB_SHIFT 6 131 #define DA7219_JACKDET_REM_DEB_SHIFT 6
129 #define DA7219_JACKDET_REM_DEB_MASK (0x3 < 132 #define DA7219_JACKDET_REM_DEB_MASK (0x3 << 6)
130 133
131 /* DA7219_ACCDET_CONFIG_3 = 0xC8 */ 134 /* DA7219_ACCDET_CONFIG_3 = 0xC8 */
132 #define DA7219_A_D_BUTTON_THRESH_SHIFT 0 135 #define DA7219_A_D_BUTTON_THRESH_SHIFT 0
133 #define DA7219_A_D_BUTTON_THRESH_MASK (0xFF 136 #define DA7219_A_D_BUTTON_THRESH_MASK (0xFF << 0)
134 137
135 /* DA7219_ACCDET_CONFIG_4 = 0xC9 */ 138 /* DA7219_ACCDET_CONFIG_4 = 0xC9 */
136 #define DA7219_D_B_BUTTON_THRESH_SHIFT 0 139 #define DA7219_D_B_BUTTON_THRESH_SHIFT 0
137 #define DA7219_D_B_BUTTON_THRESH_MASK (0xFF 140 #define DA7219_D_B_BUTTON_THRESH_MASK (0xFF << 0)
138 141
139 /* DA7219_ACCDET_CONFIG_5 = 0xCA */ 142 /* DA7219_ACCDET_CONFIG_5 = 0xCA */
140 #define DA7219_B_C_BUTTON_THRESH_SHIFT 0 143 #define DA7219_B_C_BUTTON_THRESH_SHIFT 0
141 #define DA7219_B_C_BUTTON_THRESH_MASK (0xFF 144 #define DA7219_B_C_BUTTON_THRESH_MASK (0xFF << 0)
142 145
143 /* DA7219_ACCDET_CONFIG_6 = 0xCB */ 146 /* DA7219_ACCDET_CONFIG_6 = 0xCB */
144 #define DA7219_C_MIC_BUTTON_THRESH_SHIFT 147 #define DA7219_C_MIC_BUTTON_THRESH_SHIFT 0
145 #define DA7219_C_MIC_BUTTON_THRESH_MASK 148 #define DA7219_C_MIC_BUTTON_THRESH_MASK (0xFF << 0)
146 149
147 /* DA7219_ACCDET_CONFIG_7 = 0xCC */ 150 /* DA7219_ACCDET_CONFIG_7 = 0xCC */
148 #define DA7219_BUTTON_AVERAGE_SHIFT 0 151 #define DA7219_BUTTON_AVERAGE_SHIFT 0
149 #define DA7219_BUTTON_AVERAGE_MASK (0x3 < 152 #define DA7219_BUTTON_AVERAGE_MASK (0x3 << 0)
150 #define DA7219_ADC_1_BIT_REPEAT_SHIFT 2 153 #define DA7219_ADC_1_BIT_REPEAT_SHIFT 2
151 #define DA7219_ADC_1_BIT_REPEAT_MASK (0x3 < 154 #define DA7219_ADC_1_BIT_REPEAT_MASK (0x3 << 2)
152 #define DA7219_PIN_ORDER_FORCE_SHIFT 4 155 #define DA7219_PIN_ORDER_FORCE_SHIFT 4
153 #define DA7219_PIN_ORDER_FORCE_MASK (0x1 < 156 #define DA7219_PIN_ORDER_FORCE_MASK (0x1 << 4)
154 #define DA7219_JACK_TYPE_FORCE_SHIFT 5 157 #define DA7219_JACK_TYPE_FORCE_SHIFT 5
155 #define DA7219_JACK_TYPE_FORCE_MASK (0x1 < 158 #define DA7219_JACK_TYPE_FORCE_MASK (0x1 << 5)
156 159
157 /* DA7219_ACCDET_CONFIG_8 = 0xCD */ 160 /* DA7219_ACCDET_CONFIG_8 = 0xCD */
158 #define DA7219_HPTEST_EN_SHIFT 0 161 #define DA7219_HPTEST_EN_SHIFT 0
159 #define DA7219_HPTEST_EN_MASK (0x1 < 162 #define DA7219_HPTEST_EN_MASK (0x1 << 0)
160 #define DA7219_HPTEST_RES_SEL_SHIFT 1 163 #define DA7219_HPTEST_RES_SEL_SHIFT 1
161 #define DA7219_HPTEST_RES_SEL_MASK (0x3 < 164 #define DA7219_HPTEST_RES_SEL_MASK (0x3 << 1)
162 #define DA7219_HPTEST_RES_SEL_1KOHMS (0x0 < 165 #define DA7219_HPTEST_RES_SEL_1KOHMS (0x0 << 1)
163 #define DA7219_HPTEST_COMP_SHIFT 4 166 #define DA7219_HPTEST_COMP_SHIFT 4
164 #define DA7219_HPTEST_COMP_MASK (0x1 < 167 #define DA7219_HPTEST_COMP_MASK (0x1 << 4)
165 168
166 169
167 #define DA7219_AAD_MAX_BUTTONS 4 170 #define DA7219_AAD_MAX_BUTTONS 4
168 #define DA7219_AAD_REPORT_ALL_MASK (SND_J 171 #define DA7219_AAD_REPORT_ALL_MASK (SND_JACK_MECHANICAL | \
169 SND_J 172 SND_JACK_HEADSET | SND_JACK_LINEOUT | \
170 SND_J 173 SND_JACK_BTN_0 | SND_JACK_BTN_1 | \
171 SND_J 174 SND_JACK_BTN_2 | SND_JACK_BTN_3)
172 175
173 #define DA7219_AAD_MICBIAS_CHK_DELAY 10 176 #define DA7219_AAD_MICBIAS_CHK_DELAY 10
174 #define DA7219_AAD_MICBIAS_CHK_RETRIES 5 177 #define DA7219_AAD_MICBIAS_CHK_RETRIES 5
175 178
176 #define DA7219_AAD_HPTEST_RAMP_FREQ 179 #define DA7219_AAD_HPTEST_RAMP_FREQ 0x28
177 #define DA7219_AAD_HPTEST_RAMP_FREQ_INT_OSC 180 #define DA7219_AAD_HPTEST_RAMP_FREQ_INT_OSC 0x4D
178 #define DA7219_AAD_HPTEST_PERIOD 181 #define DA7219_AAD_HPTEST_PERIOD 65
179 #define DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY 182 #define DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY 20
180 183
181 enum da7219_aad_event_regs { 184 enum da7219_aad_event_regs {
182 DA7219_AAD_IRQ_REG_A = 0, 185 DA7219_AAD_IRQ_REG_A = 0,
183 DA7219_AAD_IRQ_REG_B, 186 DA7219_AAD_IRQ_REG_B,
184 DA7219_AAD_IRQ_REG_MAX, 187 DA7219_AAD_IRQ_REG_MAX,
185 }; 188 };
186 189
187 /* Private data */ 190 /* Private data */
188 struct da7219_aad_priv { 191 struct da7219_aad_priv {
189 struct snd_soc_component *component; 192 struct snd_soc_component *component;
190 int irq; 193 int irq;
191 int gnd_switch_delay; <<
192 194
193 u8 micbias_pulse_lvl; 195 u8 micbias_pulse_lvl;
194 u32 micbias_pulse_time; 196 u32 micbias_pulse_time;
195 197
196 u8 btn_cfg; 198 u8 btn_cfg;
197 199
198 struct work_struct btn_det_work; 200 struct work_struct btn_det_work;
199 struct work_struct hptest_work; 201 struct work_struct hptest_work;
200 struct delayed_work jack_det_work; <<
201 struct workqueue_struct *aad_wq; <<
202 202
203 struct snd_soc_jack *jack; 203 struct snd_soc_jack *jack;
204 bool micbias_resume_enable; 204 bool micbias_resume_enable;
205 bool jack_inserted; 205 bool jack_inserted;
206 }; 206 };
207 207
208 /* AAD control */ 208 /* AAD control */
209 void da7219_aad_jack_det(struct snd_soc_compon 209 void da7219_aad_jack_det(struct snd_soc_component *component, struct snd_soc_jack *jack);
210 210
211 /* Suspend/Resume */ 211 /* Suspend/Resume */
212 void da7219_aad_suspend(struct snd_soc_compone 212 void da7219_aad_suspend(struct snd_soc_component *component);
213 void da7219_aad_resume(struct snd_soc_componen 213 void da7219_aad_resume(struct snd_soc_component *component);
214 214
215 /* Init/Exit */ 215 /* Init/Exit */
216 int da7219_aad_init(struct snd_soc_component * 216 int da7219_aad_init(struct snd_soc_component *component);
217 void da7219_aad_exit(struct snd_soc_component 217 void da7219_aad_exit(struct snd_soc_component *component);
218 <<
219 /* I2C Probe */ <<
220 int da7219_aad_probe(struct i2c_client *i2c); <<
221 218
222 #endif /* __DA7219_AAD_H */ 219 #endif /* __DA7219_AAD_H */
223 220
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.