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