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