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