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
181enum 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 */
188struct 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 */
209void da7219_aad_jack_det(struct snd_soc_component *component, struct snd_soc_jack *jack);
210
211/* Suspend/Resume */
212void da7219_aad_suspend(struct snd_soc_component *component);
213void da7219_aad_resume(struct snd_soc_component *component);
214
215/* Init/Exit */
216int da7219_aad_init(struct snd_soc_component *component);
217void da7219_aad_exit(struct snd_soc_component *component);
218
219/* I2C Probe */
220int da7219_aad_probe(struct i2c_client *i2c);
221
222#endif /* __DA7219_AAD_H */
223