xref: /linux/sound/soc/codecs/wcd-mbhc-v2.h (revision 71dfa617ea9f18e4585fe78364217cd32b1fc382)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef __WCD_MBHC_V2_H__
4 #define __WCD_MBHC_V2_H__
5 
6 #include <sound/jack.h>
7 
8 #define WCD_MBHC_FIELD(id, rreg, rmask) \
9 	[id] = { .reg = rreg, .mask = rmask }
10 
11 enum wcd_mbhc_field_function {
12 	WCD_MBHC_L_DET_EN,
13 	WCD_MBHC_GND_DET_EN,
14 	WCD_MBHC_MECH_DETECTION_TYPE,
15 	WCD_MBHC_MIC_CLAMP_CTL,
16 	WCD_MBHC_ELECT_DETECTION_TYPE,
17 	WCD_MBHC_HS_L_DET_PULL_UP_CTRL,
18 	WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL,
19 	WCD_MBHC_HPHL_PLUG_TYPE,
20 	WCD_MBHC_GND_PLUG_TYPE,
21 	WCD_MBHC_SW_HPH_LP_100K_TO_GND,
22 	WCD_MBHC_ELECT_SCHMT_ISRC,
23 	WCD_MBHC_FSM_EN,
24 	WCD_MBHC_INSREM_DBNC,
25 	WCD_MBHC_BTN_DBNC,
26 	WCD_MBHC_HS_VREF,
27 	WCD_MBHC_HS_COMP_RESULT,
28 	WCD_MBHC_IN2P_CLAMP_STATE,
29 	WCD_MBHC_MIC_SCHMT_RESULT,
30 	WCD_MBHC_HPHL_SCHMT_RESULT,
31 	WCD_MBHC_HPHR_SCHMT_RESULT,
32 	WCD_MBHC_OCP_FSM_EN,
33 	WCD_MBHC_BTN_RESULT,
34 	WCD_MBHC_BTN_ISRC_CTL,
35 	WCD_MBHC_ELECT_RESULT,
36 	WCD_MBHC_MICB_CTRL,    /* Pull-up and micb control */
37 	WCD_MBHC_HPH_CNP_WG_TIME,
38 	WCD_MBHC_HPHR_PA_EN,
39 	WCD_MBHC_HPHL_PA_EN,
40 	WCD_MBHC_HPH_PA_EN,
41 	WCD_MBHC_SWCH_LEVEL_REMOVE,
42 	WCD_MBHC_PULLDOWN_CTRL,
43 	WCD_MBHC_ANC_DET_EN,
44 	WCD_MBHC_FSM_STATUS,
45 	WCD_MBHC_MUX_CTL,
46 	WCD_MBHC_MOISTURE_STATUS,
47 	WCD_MBHC_HPHR_GND,
48 	WCD_MBHC_HPHL_GND,
49 	WCD_MBHC_HPHL_OCP_DET_EN,
50 	WCD_MBHC_HPHR_OCP_DET_EN,
51 	WCD_MBHC_HPHL_OCP_STATUS,
52 	WCD_MBHC_HPHR_OCP_STATUS,
53 	WCD_MBHC_ADC_EN,
54 	WCD_MBHC_ADC_COMPLETE,
55 	WCD_MBHC_ADC_TIMEOUT,
56 	WCD_MBHC_ADC_RESULT,
57 	WCD_MBHC_MICB2_VOUT,
58 	WCD_MBHC_ADC_MODE,
59 	WCD_MBHC_DETECTION_DONE,
60 	WCD_MBHC_ELECT_ISRC_EN,
61 	WCD_MBHC_REG_FUNC_MAX,
62 };
63 
64 #define WCD_MBHC_DEF_BUTTONS 8
65 #define WCD_MBHC_KEYCODE_NUM 8
66 #define WCD_MBHC_USLEEP_RANGE_MARGIN_US 100
67 #define WCD_MBHC_THR_HS_MICB_MV  2700
68 #define WCD_MONO_HS_MIN_THR	2
69 
70 enum wcd_mbhc_detect_logic {
71 	WCD_DETECTION_LEGACY,
72 	WCD_DETECTION_ADC,
73 };
74 
75 enum wcd_mbhc_cs_mb_en_flag {
76 	WCD_MBHC_EN_CS = 0,
77 	WCD_MBHC_EN_MB,
78 	WCD_MBHC_EN_PULLUP,
79 	WCD_MBHC_EN_NONE,
80 };
81 
82 enum {
83 	WCD_MBHC_ELEC_HS_INS,
84 	WCD_MBHC_ELEC_HS_REM,
85 };
86 
87 enum wcd_mbhc_plug_type {
88 	MBHC_PLUG_TYPE_INVALID = -1,
89 	MBHC_PLUG_TYPE_NONE,
90 	MBHC_PLUG_TYPE_HEADSET,
91 	MBHC_PLUG_TYPE_HEADPHONE,
92 	MBHC_PLUG_TYPE_HIGH_HPH,
93 	MBHC_PLUG_TYPE_GND_MIC_SWAP,
94 };
95 
96 enum pa_dac_ack_flags {
97 	WCD_MBHC_HPHL_PA_OFF_ACK = 0,
98 	WCD_MBHC_HPHR_PA_OFF_ACK,
99 };
100 
101 enum wcd_mbhc_btn_det_mem {
102 	WCD_MBHC_BTN_DET_V_BTN_LOW,
103 	WCD_MBHC_BTN_DET_V_BTN_HIGH
104 };
105 
106 enum {
107 	MIC_BIAS_1 = 1,
108 	MIC_BIAS_2,
109 	MIC_BIAS_3,
110 	MIC_BIAS_4
111 };
112 
113 enum {
114 	MICB_PULLUP_ENABLE,
115 	MICB_PULLUP_DISABLE,
116 	MICB_ENABLE,
117 	MICB_DISABLE,
118 };
119 
120 enum wcd_notify_event {
121 	WCD_EVENT_INVALID,
122 	/* events for micbias ON and OFF */
123 	WCD_EVENT_PRE_MICBIAS_2_OFF,
124 	WCD_EVENT_POST_MICBIAS_2_OFF,
125 	WCD_EVENT_PRE_MICBIAS_2_ON,
126 	WCD_EVENT_POST_MICBIAS_2_ON,
127 	WCD_EVENT_PRE_DAPM_MICBIAS_2_OFF,
128 	WCD_EVENT_POST_DAPM_MICBIAS_2_OFF,
129 	WCD_EVENT_PRE_DAPM_MICBIAS_2_ON,
130 	WCD_EVENT_POST_DAPM_MICBIAS_2_ON,
131 	/* events for PA ON and OFF */
132 	WCD_EVENT_PRE_HPHL_PA_ON,
133 	WCD_EVENT_POST_HPHL_PA_OFF,
134 	WCD_EVENT_PRE_HPHR_PA_ON,
135 	WCD_EVENT_POST_HPHR_PA_OFF,
136 	WCD_EVENT_PRE_HPHL_PA_OFF,
137 	WCD_EVENT_PRE_HPHR_PA_OFF,
138 	WCD_EVENT_OCP_OFF,
139 	WCD_EVENT_OCP_ON,
140 	WCD_EVENT_LAST,
141 };
142 
143 enum wcd_mbhc_event_state {
144 	WCD_MBHC_EVENT_PA_HPHL,
145 	WCD_MBHC_EVENT_PA_HPHR,
146 };
147 
148 enum wcd_mbhc_hph_type {
149 	WCD_MBHC_HPH_NONE = 0,
150 	WCD_MBHC_HPH_MONO,
151 	WCD_MBHC_HPH_STEREO,
152 };
153 
154 /*
155  * These enum definitions are directly mapped to the register
156  * definitions
157  */
158 
159 enum mbhc_hs_pullup_iref {
160 	I_DEFAULT = -1,
161 	I_OFF = 0,
162 	I_1P0_UA,
163 	I_2P0_UA,
164 	I_3P0_UA,
165 };
166 
167 enum mbhc_hs_pullup_iref_v2 {
168 	HS_PULLUP_I_DEFAULT = -1,
169 	HS_PULLUP_I_3P0_UA = 0,
170 	HS_PULLUP_I_2P25_UA,
171 	HS_PULLUP_I_1P5_UA,
172 	HS_PULLUP_I_0P75_UA,
173 	HS_PULLUP_I_1P125_UA = 0x05,
174 	HS_PULLUP_I_0P375_UA = 0x07,
175 	HS_PULLUP_I_2P0_UA,
176 	HS_PULLUP_I_1P0_UA = 0x0A,
177 	HS_PULLUP_I_0P5_UA,
178 	HS_PULLUP_I_0P25_UA = 0x0F,
179 	HS_PULLUP_I_0P125_UA = 0x17,
180 	HS_PULLUP_I_OFF,
181 };
182 
183 enum mbhc_moisture_rref {
184 	R_OFF,
185 	R_24_KOHM,
186 	R_84_KOHM,
187 	R_184_KOHM,
188 };
189 
190 struct wcd_mbhc_config {
191 	int btn_high[WCD_MBHC_DEF_BUTTONS];
192 	int btn_low[WCD_MBHC_DEF_BUTTONS];
193 	int v_hs_max;
194 	int num_btn;
195 	bool mono_stero_detection;
196 	bool typec_analog_mux;
197 	bool (*swap_gnd_mic)(struct snd_soc_component *component, bool active);
198 	bool hs_ext_micbias;
199 	bool gnd_det_en;
200 	uint32_t linein_th;
201 	bool moisture_en;
202 	int mbhc_micbias;
203 	int anc_micbias;
204 	bool moisture_duty_cycle_en;
205 	bool hphl_swh; /*track HPHL switch NC / NO */
206 	bool gnd_swh; /*track GND switch NC / NO */
207 	u32 hs_thr;
208 	u32 hph_thr;
209 	u32 micb_mv;
210 	u32 moist_vref;
211 	u32 moist_iref;
212 	u32 moist_rref;
213 };
214 
215 struct wcd_mbhc_intr {
216 	int mbhc_sw_intr;
217 	int mbhc_btn_press_intr;
218 	int mbhc_btn_release_intr;
219 	int mbhc_hs_ins_intr;
220 	int mbhc_hs_rem_intr;
221 	int hph_left_ocp;
222 	int hph_right_ocp;
223 };
224 
225 struct wcd_mbhc_field {
226 	u16 reg;
227 	u8 mask;
228 };
229 
230 struct wcd_mbhc;
231 
232 struct wcd_mbhc_cb {
233 	void (*update_cross_conn_thr)(struct snd_soc_component *component);
234 	void (*get_micbias_val)(struct snd_soc_component *component, int *mb);
235 	void (*bcs_enable)(struct snd_soc_component *component, bool bcs_enable);
236 	void (*compute_impedance)(struct snd_soc_component *component,
237 				  uint32_t *zl, uint32_t *zr);
238 	void (*set_micbias_value)(struct snd_soc_component *component);
239 	void (*set_auto_zeroing)(struct snd_soc_component *component,
240 			bool enable);
241 	void (*clk_setup)(struct snd_soc_component *component, bool enable);
242 	bool (*micbias_enable_status)(struct snd_soc_component *component, int micb_num);
243 	void (*mbhc_bias)(struct snd_soc_component *component, bool enable);
244 	void (*set_btn_thr)(struct snd_soc_component *component,
245 			    int *btn_low, int *btn_high,
246 			    int num_btn, bool is_micbias);
247 	void (*hph_pull_up_control)(struct snd_soc_component *component,
248 				    enum mbhc_hs_pullup_iref);
249 	int (*mbhc_micbias_control)(struct snd_soc_component *component,
250 			int micb_num, int req);
251 	void (*mbhc_micb_ramp_control)(struct snd_soc_component *component,
252 			bool enable);
253 	bool (*extn_use_mb)(struct snd_soc_component *component);
254 	int (*mbhc_micb_ctrl_thr_mic)(struct snd_soc_component *component,
255 			int micb_num, bool req_en);
256 	void (*mbhc_gnd_det_ctrl)(struct snd_soc_component *component,
257 			bool enable);
258 	void (*hph_pull_down_ctrl)(struct snd_soc_component *component,
259 			bool enable);
260 	void (*mbhc_moisture_config)(struct snd_soc_component *component);
261 	void (*update_anc_state)(struct snd_soc_component *component,
262 			bool enable, int anc_num);
263 	void (*hph_pull_up_control_v2)(struct snd_soc_component *component,
264 			int pull_up_cur);
265 	bool (*mbhc_get_moisture_status)(struct snd_soc_component *component);
266 	void (*mbhc_moisture_polling_ctrl)(struct snd_soc_component *component, bool enable);
267 	void (*mbhc_moisture_detect_en)(struct snd_soc_component *component, bool enable);
268 };
269 
270 #if IS_ENABLED(CONFIG_SND_SOC_WCD_MBHC)
271 int wcd_dt_parse_mbhc_data(struct device *dev, struct wcd_mbhc_config *cfg);
272 int wcd_mbhc_start(struct wcd_mbhc *mbhc, struct wcd_mbhc_config *mbhc_cfg,
273 		   struct snd_soc_jack *jack);
274 void wcd_mbhc_stop(struct wcd_mbhc *mbhc);
275 void wcd_mbhc_set_hph_type(struct wcd_mbhc *mbhc, int hph_type);
276 int wcd_mbhc_get_hph_type(struct wcd_mbhc *mbhc);
277 int wcd_mbhc_typec_report_plug(struct wcd_mbhc *mbhc);
278 int wcd_mbhc_typec_report_unplug(struct wcd_mbhc *mbhc);
279 struct wcd_mbhc *wcd_mbhc_init(struct snd_soc_component *component,
280 		      const struct wcd_mbhc_cb *mbhc_cb,
281 		      const struct wcd_mbhc_intr *mbhc_cdc_intr_ids,
282 		      struct wcd_mbhc_field *fields,
283 		      bool impedance_det_en);
284 int wcd_mbhc_get_impedance(struct wcd_mbhc *mbhc, uint32_t *zl,
285 			   uint32_t *zr);
286 void wcd_mbhc_deinit(struct wcd_mbhc *mbhc);
287 int wcd_mbhc_event_notify(struct wcd_mbhc *mbhc, unsigned long event);
288 
289 #else
290 static inline int wcd_dt_parse_mbhc_data(struct device *dev,
291 					 struct wcd_mbhc_config *cfg)
292 {
293 	return -ENOTSUPP;
294 }
295 
296 static inline void wcd_mbhc_stop(struct wcd_mbhc *mbhc)
297 {
298 }
299 
300 static inline struct wcd_mbhc *wcd_mbhc_init(struct snd_soc_component *component,
301 		      const struct wcd_mbhc_cb *mbhc_cb,
302 		      const struct wcd_mbhc_intr *mbhc_cdc_intr_ids,
303 		      struct wcd_mbhc_field *fields,
304 		      bool impedance_det_en)
305 {
306 	return ERR_PTR(-ENOTSUPP);
307 }
308 
309 static inline void wcd_mbhc_set_hph_type(struct wcd_mbhc *mbhc, int hph_type)
310 {
311 }
312 
313 static inline int wcd_mbhc_get_hph_type(struct wcd_mbhc *mbhc)
314 {
315 	return -ENOTSUPP;
316 }
317 
318 static inline int wcd_mbhc_event_notify(struct wcd_mbhc *mbhc, unsigned long event)
319 {
320 	return -ENOTSUPP;
321 }
322 
323 static inline int wcd_mbhc_start(struct wcd_mbhc *mbhc,
324 				 struct wcd_mbhc_config *mbhc_cfg,
325 				 struct snd_soc_jack *jack)
326 {
327 	return 0;
328 }
329 
330 static inline int wcd_mbhc_get_impedance(struct wcd_mbhc *mbhc,
331 					 uint32_t *zl,
332 					 uint32_t *zr)
333 {
334 	*zl = 0;
335 	*zr = 0;
336 	return -EINVAL;
337 }
338 static inline void wcd_mbhc_deinit(struct wcd_mbhc *mbhc)
339 {
340 }
341 #endif
342 
343 #endif /* __WCD_MBHC_V2_H__ */
344