1 /*
2 * wm8996.c - WM8996 audio codec interface
3 *
4 * Copyright 2011 Wolfson Microelectronics PLC.
5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 */
12
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/init.h>
16 #include <linux/completion.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/gcd.h>
20 #include <linux/gpio.h>
21 #include <linux/i2c.h>
22 #include <linux/regmap.h>
23 #include <linux/regulator/consumer.h>
24 #include <linux/slab.h>
25 #include <linux/workqueue.h>
26 #include <sound/core.h>
27 #include <sound/jack.h>
28 #include <sound/pcm.h>
29 #include <sound/pcm_params.h>
30 #include <sound/soc.h>
31 #include <sound/initval.h>
32 #include <sound/tlv.h>
33 #include <trace/events/asoc.h>
34
35 #include <sound/wm8996.h>
36 #include "wm8996.h"
37
38 #define WM8996_AIFS 2
39
40 #define HPOUT1L 1
41 #define HPOUT1R 2
42 #define HPOUT2L 4
43 #define HPOUT2R 8
44
45 #define WM8996_NUM_SUPPLIES 3
46 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
47 "DBVDD",
48 "AVDD1",
49 "AVDD2",
50 };
51
52 struct wm8996_priv {
53 struct device *dev;
54 struct regmap *regmap;
55 struct snd_soc_codec *codec;
56
57 int ldo1ena;
58
59 int sysclk;
60 int sysclk_src;
61
62 int fll_src;
63 int fll_fref;
64 int fll_fout;
65
66 struct completion fll_lock;
67
68 u16 dcs_pending;
69 struct completion dcs_done;
70
71 u16 hpout_ena;
72 u16 hpout_pending;
73
74 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
75 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
76 struct regulator *cpvdd;
77 int bg_ena;
78
79 struct wm8996_pdata pdata;
80
81 int rx_rate[WM8996_AIFS];
82 int bclk_rate[WM8996_AIFS];
83
84 /* Platform dependant ReTune mobile configuration */
85 int num_retune_mobile_texts;
86 const char **retune_mobile_texts;
87 int retune_mobile_cfg[2];
88 struct soc_enum retune_mobile_enum;
89
90 struct snd_soc_jack *jack;
91 bool detecting;
92 bool jack_mic;
93 wm8996_polarity_fn polarity_cb;
94
95 #ifdef CONFIG_GPIOLIB
96 struct gpio_chip gpio_chip;
97 #endif
98 };
99
100 /* We can't use the same notifier block for more than one supply and
101 * there's no way I can see to get from a callback to the caller
102 * except container_of().
103 */
104 #define WM8996_REGULATOR_EVENT(n) \
105 static int wm8996_regulator_event_##n(struct notifier_block *nb, \
106 unsigned long event, void *data) \
107 { \
108 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
109 disable_nb[n]); \
110 if (event & REGULATOR_EVENT_DISABLE) { \
111 regcache_mark_dirty(wm8996->regmap); \
112 } \
113 return 0; \
114 }
115
116 WM8996_REGULATOR_EVENT(0)
117 WM8996_REGULATOR_EVENT(1)
118 WM8996_REGULATOR_EVENT(2)
119
120 static struct reg_default wm8996_reg[] = {
121 { WM8996_SOFTWARE_RESET, 0x8996 },
122 { WM8996_POWER_MANAGEMENT_1, 0x0 },
123 { WM8996_POWER_MANAGEMENT_2, 0x0 },
124 { WM8996_POWER_MANAGEMENT_3, 0x0 },
125 { WM8996_POWER_MANAGEMENT_4, 0x0 },
126 { WM8996_POWER_MANAGEMENT_5, 0x0 },
127 { WM8996_POWER_MANAGEMENT_6, 0x0 },
128 { WM8996_POWER_MANAGEMENT_7, 0x10 },
129 { WM8996_POWER_MANAGEMENT_8, 0x0 },
130 { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
131 { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
132 { WM8996_LINE_INPUT_CONTROL, 0x0 },
133 { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
134 { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
135 { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
136 { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
137 { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
138 { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
139 { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
140 { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
141 { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
142 { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
143 { WM8996_MICBIAS_1, 0x39 },
144 { WM8996_MICBIAS_2, 0x39 },
145 { WM8996_LDO_1, 0x3 },
146 { WM8996_LDO_2, 0x13 },
147 { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
148 { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
149 { WM8996_HEADPHONE_DETECT_1, 0x20 },
150 { WM8996_HEADPHONE_DETECT_2, 0x0 },
151 { WM8996_MIC_DETECT_1, 0x7600 },
152 { WM8996_MIC_DETECT_2, 0xbf },
153 { WM8996_CHARGE_PUMP_1, 0x1f25 },
154 { WM8996_CHARGE_PUMP_2, 0xab19 },
155 { WM8996_DC_SERVO_1, 0x0 },
156 { WM8996_DC_SERVO_2, 0x0 },
157 { WM8996_DC_SERVO_3, 0x0 },
158 { WM8996_DC_SERVO_5, 0x2a2a },
159 { WM8996_DC_SERVO_6, 0x0 },
160 { WM8996_DC_SERVO_7, 0x0 },
161 { WM8996_ANALOGUE_HP_1, 0x0 },
162 { WM8996_ANALOGUE_HP_2, 0x0 },
163 { WM8996_CONTROL_INTERFACE_1, 0x8004 },
164 { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
165 { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
166 { WM8996_AIF_CLOCKING_1, 0x0 },
167 { WM8996_AIF_CLOCKING_2, 0x0 },
168 { WM8996_CLOCKING_1, 0x10 },
169 { WM8996_CLOCKING_2, 0x0 },
170 { WM8996_AIF_RATE, 0x83 },
171 { WM8996_FLL_CONTROL_1, 0x0 },
172 { WM8996_FLL_CONTROL_2, 0x0 },
173 { WM8996_FLL_CONTROL_3, 0x0 },
174 { WM8996_FLL_CONTROL_4, 0x5dc0 },
175 { WM8996_FLL_CONTROL_5, 0xc84 },
176 { WM8996_FLL_EFS_1, 0x0 },
177 { WM8996_FLL_EFS_2, 0x2 },
178 { WM8996_AIF1_CONTROL, 0x0 },
179 { WM8996_AIF1_BCLK, 0x0 },
180 { WM8996_AIF1_TX_LRCLK_1, 0x80 },
181 { WM8996_AIF1_TX_LRCLK_2, 0x8 },
182 { WM8996_AIF1_RX_LRCLK_1, 0x80 },
183 { WM8996_AIF1_RX_LRCLK_2, 0x0 },
184 { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
185 { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
186 { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
187 { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
188 { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
189 { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
190 { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
191 { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
192 { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
193 { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
194 { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
195 { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
196 { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
197 { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
198 { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
199 { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
200 { WM8996_AIF1TX_TEST, 0x7 },
201 { WM8996_AIF2_CONTROL, 0x0 },
202 { WM8996_AIF2_BCLK, 0x0 },
203 { WM8996_AIF2_TX_LRCLK_1, 0x80 },
204 { WM8996_AIF2_TX_LRCLK_2, 0x8 },
205 { WM8996_AIF2_RX_LRCLK_1, 0x80 },
206 { WM8996_AIF2_RX_LRCLK_2, 0x0 },
207 { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
208 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
209 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
210 { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
211 { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
212 { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
213 { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
214 { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
215 { WM8996_AIF2TX_TEST, 0x1 },
216 { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
217 { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
218 { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
219 { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
220 { WM8996_DSP1_TX_FILTERS, 0x2000 },
221 { WM8996_DSP1_RX_FILTERS_1, 0x200 },
222 { WM8996_DSP1_RX_FILTERS_2, 0x10 },
223 { WM8996_DSP1_DRC_1, 0x98 },
224 { WM8996_DSP1_DRC_2, 0x845 },
225 { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
226 { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
227 { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
228 { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
229 { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
230 { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
231 { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
232 { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
233 { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
234 { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
235 { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
236 { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
237 { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
238 { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
239 { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
240 { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
241 { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
242 { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
243 { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
244 { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
245 { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
246 { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
247 { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
248 { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
249 { WM8996_DSP2_TX_FILTERS, 0x2000 },
250 { WM8996_DSP2_RX_FILTERS_1, 0x200 },
251 { WM8996_DSP2_RX_FILTERS_2, 0x10 },
252 { WM8996_DSP2_DRC_1, 0x98 },
253 { WM8996_DSP2_DRC_2, 0x845 },
254 { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
255 { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
256 { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
257 { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
258 { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
259 { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
260 { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
261 { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
262 { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
263 { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
264 { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
265 { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
266 { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
267 { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
268 { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
269 { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
270 { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
271 { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
272 { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
273 { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
274 { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
275 { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
276 { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
277 { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
278 { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
279 { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
280 { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
281 { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
282 { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
283 { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
284 { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
285 { WM8996_DAC_SOFTMUTE, 0x0 },
286 { WM8996_OVERSAMPLING, 0xd },
287 { WM8996_SIDETONE, 0x1040 },
288 { WM8996_GPIO_1, 0xa101 },
289 { WM8996_GPIO_2, 0xa101 },
290 { WM8996_GPIO_3, 0xa101 },
291 { WM8996_GPIO_4, 0xa101 },
292 { WM8996_GPIO_5, 0xa101 },
293 { WM8996_PULL_CONTROL_1, 0x0 },
294 { WM8996_PULL_CONTROL_2, 0x140 },
295 { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
296 { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
297 { WM8996_LEFT_PDM_SPEAKER, 0x0 },
298 { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
299 { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
300 { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
301 { WM8996_WRITE_SEQUENCER_0, 0x1 },
302 { WM8996_WRITE_SEQUENCER_1, 0x1 },
303 { WM8996_WRITE_SEQUENCER_3, 0x6 },
304 { WM8996_WRITE_SEQUENCER_4, 0x40 },
305 { WM8996_WRITE_SEQUENCER_5, 0x1 },
306 { WM8996_WRITE_SEQUENCER_6, 0xf },
307 { WM8996_WRITE_SEQUENCER_7, 0x6 },
308 { WM8996_WRITE_SEQUENCER_8, 0x1 },
309 { WM8996_WRITE_SEQUENCER_9, 0x3 },
310 { WM8996_WRITE_SEQUENCER_10, 0x104 },
311 { WM8996_WRITE_SEQUENCER_12, 0x60 },
312 { WM8996_WRITE_SEQUENCER_13, 0x11 },
313 { WM8996_WRITE_SEQUENCER_14, 0x401 },
314 { WM8996_WRITE_SEQUENCER_16, 0x50 },
315 { WM8996_WRITE_SEQUENCER_17, 0x3 },
316 { WM8996_WRITE_SEQUENCER_18, 0x100 },
317 { WM8996_WRITE_SEQUENCER_20, 0x51 },
318 { WM8996_WRITE_SEQUENCER_21, 0x3 },
319 { WM8996_WRITE_SEQUENCER_22, 0x104 },
320 { WM8996_WRITE_SEQUENCER_23, 0xa },
321 { WM8996_WRITE_SEQUENCER_24, 0x60 },
322 { WM8996_WRITE_SEQUENCER_25, 0x3b },
323 { WM8996_WRITE_SEQUENCER_26, 0x502 },
324 { WM8996_WRITE_SEQUENCER_27, 0x100 },
325 { WM8996_WRITE_SEQUENCER_28, 0x2fff },
326 { WM8996_WRITE_SEQUENCER_32, 0x2fff },
327 { WM8996_WRITE_SEQUENCER_36, 0x2fff },
328 { WM8996_WRITE_SEQUENCER_40, 0x2fff },
329 { WM8996_WRITE_SEQUENCER_44, 0x2fff },
330 { WM8996_WRITE_SEQUENCER_48, 0x2fff },
331 { WM8996_WRITE_SEQUENCER_52, 0x2fff },
332 { WM8996_WRITE_SEQUENCER_56, 0x2fff },
333 { WM8996_WRITE_SEQUENCER_60, 0x2fff },
334 { WM8996_WRITE_SEQUENCER_64, 0x1 },
335 { WM8996_WRITE_SEQUENCER_65, 0x1 },
336 { WM8996_WRITE_SEQUENCER_67, 0x6 },
337 { WM8996_WRITE_SEQUENCER_68, 0x40 },
338 { WM8996_WRITE_SEQUENCER_69, 0x1 },
339 { WM8996_WRITE_SEQUENCER_70, 0xf },
340 { WM8996_WRITE_SEQUENCER_71, 0x6 },
341 { WM8996_WRITE_SEQUENCER_72, 0x1 },
342 { WM8996_WRITE_SEQUENCER_73, 0x3 },
343 { WM8996_WRITE_SEQUENCER_74, 0x104 },
344 { WM8996_WRITE_SEQUENCER_76, 0x60 },
345 { WM8996_WRITE_SEQUENCER_77, 0x11 },
346 { WM8996_WRITE_SEQUENCER_78, 0x401 },
347 { WM8996_WRITE_SEQUENCER_80, 0x50 },
348 { WM8996_WRITE_SEQUENCER_81, 0x3 },
349 { WM8996_WRITE_SEQUENCER_82, 0x100 },
350 { WM8996_WRITE_SEQUENCER_84, 0x60 },
351 { WM8996_WRITE_SEQUENCER_85, 0x3b },
352 { WM8996_WRITE_SEQUENCER_86, 0x502 },
353 { WM8996_WRITE_SEQUENCER_87, 0x100 },
354 { WM8996_WRITE_SEQUENCER_88, 0x2fff },
355 { WM8996_WRITE_SEQUENCER_92, 0x2fff },
356 { WM8996_WRITE_SEQUENCER_96, 0x2fff },
357 { WM8996_WRITE_SEQUENCER_100, 0x2fff },
358 { WM8996_WRITE_SEQUENCER_104, 0x2fff },
359 { WM8996_WRITE_SEQUENCER_108, 0x2fff },
360 { WM8996_WRITE_SEQUENCER_112, 0x2fff },
361 { WM8996_WRITE_SEQUENCER_116, 0x2fff },
362 { WM8996_WRITE_SEQUENCER_120, 0x2fff },
363 { WM8996_WRITE_SEQUENCER_124, 0x2fff },
364 { WM8996_WRITE_SEQUENCER_128, 0x1 },
365 { WM8996_WRITE_SEQUENCER_129, 0x1 },
366 { WM8996_WRITE_SEQUENCER_131, 0x6 },
367 { WM8996_WRITE_SEQUENCER_132, 0x40 },
368 { WM8996_WRITE_SEQUENCER_133, 0x1 },
369 { WM8996_WRITE_SEQUENCER_134, 0xf },
370 { WM8996_WRITE_SEQUENCER_135, 0x6 },
371 { WM8996_WRITE_SEQUENCER_136, 0x1 },
372 { WM8996_WRITE_SEQUENCER_137, 0x3 },
373 { WM8996_WRITE_SEQUENCER_138, 0x106 },
374 { WM8996_WRITE_SEQUENCER_140, 0x61 },
375 { WM8996_WRITE_SEQUENCER_141, 0x11 },
376 { WM8996_WRITE_SEQUENCER_142, 0x401 },
377 { WM8996_WRITE_SEQUENCER_144, 0x50 },
378 { WM8996_WRITE_SEQUENCER_145, 0x3 },
379 { WM8996_WRITE_SEQUENCER_146, 0x102 },
380 { WM8996_WRITE_SEQUENCER_148, 0x51 },
381 { WM8996_WRITE_SEQUENCER_149, 0x3 },
382 { WM8996_WRITE_SEQUENCER_150, 0x106 },
383 { WM8996_WRITE_SEQUENCER_151, 0xa },
384 { WM8996_WRITE_SEQUENCER_152, 0x61 },
385 { WM8996_WRITE_SEQUENCER_153, 0x3b },
386 { WM8996_WRITE_SEQUENCER_154, 0x502 },
387 { WM8996_WRITE_SEQUENCER_155, 0x100 },
388 { WM8996_WRITE_SEQUENCER_156, 0x2fff },
389 { WM8996_WRITE_SEQUENCER_160, 0x2fff },
390 { WM8996_WRITE_SEQUENCER_164, 0x2fff },
391 { WM8996_WRITE_SEQUENCER_168, 0x2fff },
392 { WM8996_WRITE_SEQUENCER_172, 0x2fff },
393 { WM8996_WRITE_SEQUENCER_176, 0x2fff },
394 { WM8996_WRITE_SEQUENCER_180, 0x2fff },
395 { WM8996_WRITE_SEQUENCER_184, 0x2fff },
396 { WM8996_WRITE_SEQUENCER_188, 0x2fff },
397 { WM8996_WRITE_SEQUENCER_192, 0x1 },
398 { WM8996_WRITE_SEQUENCER_193, 0x1 },
399 { WM8996_WRITE_SEQUENCER_195, 0x6 },
400 { WM8996_WRITE_SEQUENCER_196, 0x40 },
401 { WM8996_WRITE_SEQUENCER_197, 0x1 },
402 { WM8996_WRITE_SEQUENCER_198, 0xf },
403 { WM8996_WRITE_SEQUENCER_199, 0x6 },
404 { WM8996_WRITE_SEQUENCER_200, 0x1 },
405 { WM8996_WRITE_SEQUENCER_201, 0x3 },
406 { WM8996_WRITE_SEQUENCER_202, 0x106 },
407 { WM8996_WRITE_SEQUENCER_204, 0x61 },
408 { WM8996_WRITE_SEQUENCER_205, 0x11 },
409 { WM8996_WRITE_SEQUENCER_206, 0x401 },
410 { WM8996_WRITE_SEQUENCER_208, 0x50 },
411 { WM8996_WRITE_SEQUENCER_209, 0x3 },
412 { WM8996_WRITE_SEQUENCER_210, 0x102 },
413 { WM8996_WRITE_SEQUENCER_212, 0x61 },
414 { WM8996_WRITE_SEQUENCER_213, 0x3b },
415 { WM8996_WRITE_SEQUENCER_214, 0x502 },
416 { WM8996_WRITE_SEQUENCER_215, 0x100 },
417 { WM8996_WRITE_SEQUENCER_216, 0x2fff },
418 { WM8996_WRITE_SEQUENCER_220, 0x2fff },
419 { WM8996_WRITE_SEQUENCER_224, 0x2fff },
420 { WM8996_WRITE_SEQUENCER_228, 0x2fff },
421 { WM8996_WRITE_SEQUENCER_232, 0x2fff },
422 { WM8996_WRITE_SEQUENCER_236, 0x2fff },
423 { WM8996_WRITE_SEQUENCER_240, 0x2fff },
424 { WM8996_WRITE_SEQUENCER_244, 0x2fff },
425 { WM8996_WRITE_SEQUENCER_248, 0x2fff },
426 { WM8996_WRITE_SEQUENCER_252, 0x2fff },
427 { WM8996_WRITE_SEQUENCER_256, 0x60 },
428 { WM8996_WRITE_SEQUENCER_258, 0x601 },
429 { WM8996_WRITE_SEQUENCER_260, 0x50 },
430 { WM8996_WRITE_SEQUENCER_262, 0x100 },
431 { WM8996_WRITE_SEQUENCER_264, 0x1 },
432 { WM8996_WRITE_SEQUENCER_266, 0x104 },
433 { WM8996_WRITE_SEQUENCER_267, 0x100 },
434 { WM8996_WRITE_SEQUENCER_268, 0x2fff },
435 { WM8996_WRITE_SEQUENCER_272, 0x2fff },
436 { WM8996_WRITE_SEQUENCER_276, 0x2fff },
437 { WM8996_WRITE_SEQUENCER_280, 0x2fff },
438 { WM8996_WRITE_SEQUENCER_284, 0x2fff },
439 { WM8996_WRITE_SEQUENCER_288, 0x2fff },
440 { WM8996_WRITE_SEQUENCER_292, 0x2fff },
441 { WM8996_WRITE_SEQUENCER_296, 0x2fff },
442 { WM8996_WRITE_SEQUENCER_300, 0x2fff },
443 { WM8996_WRITE_SEQUENCER_304, 0x2fff },
444 { WM8996_WRITE_SEQUENCER_308, 0x2fff },
445 { WM8996_WRITE_SEQUENCER_312, 0x2fff },
446 { WM8996_WRITE_SEQUENCER_316, 0x2fff },
447 { WM8996_WRITE_SEQUENCER_320, 0x61 },
448 { WM8996_WRITE_SEQUENCER_322, 0x601 },
449 { WM8996_WRITE_SEQUENCER_324, 0x50 },
450 { WM8996_WRITE_SEQUENCER_326, 0x102 },
451 { WM8996_WRITE_SEQUENCER_328, 0x1 },
452 { WM8996_WRITE_SEQUENCER_330, 0x106 },
453 { WM8996_WRITE_SEQUENCER_331, 0x100 },
454 { WM8996_WRITE_SEQUENCER_332, 0x2fff },
455 { WM8996_WRITE_SEQUENCER_336, 0x2fff },
456 { WM8996_WRITE_SEQUENCER_340, 0x2fff },
457 { WM8996_WRITE_SEQUENCER_344, 0x2fff },
458 { WM8996_WRITE_SEQUENCER_348, 0x2fff },
459 { WM8996_WRITE_SEQUENCER_352, 0x2fff },
460 { WM8996_WRITE_SEQUENCER_356, 0x2fff },
461 { WM8996_WRITE_SEQUENCER_360, 0x2fff },
462 { WM8996_WRITE_SEQUENCER_364, 0x2fff },
463 { WM8996_WRITE_SEQUENCER_368, 0x2fff },
464 { WM8996_WRITE_SEQUENCER_372, 0x2fff },
465 { WM8996_WRITE_SEQUENCER_376, 0x2fff },
466 { WM8996_WRITE_SEQUENCER_380, 0x2fff },
467 { WM8996_WRITE_SEQUENCER_384, 0x60 },
468 { WM8996_WRITE_SEQUENCER_386, 0x601 },
469 { WM8996_WRITE_SEQUENCER_388, 0x61 },
470 { WM8996_WRITE_SEQUENCER_390, 0x601 },
471 { WM8996_WRITE_SEQUENCER_392, 0x50 },
472 { WM8996_WRITE_SEQUENCER_394, 0x300 },
473 { WM8996_WRITE_SEQUENCER_396, 0x1 },
474 { WM8996_WRITE_SEQUENCER_398, 0x304 },
475 { WM8996_WRITE_SEQUENCER_400, 0x40 },
476 { WM8996_WRITE_SEQUENCER_402, 0xf },
477 { WM8996_WRITE_SEQUENCER_404, 0x1 },
478 { WM8996_WRITE_SEQUENCER_407, 0x100 },
479 };
480
481 static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
482 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
483 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
484 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
485 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
486 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
487 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
488 static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
489
490 static const char *sidetone_hpf_text[] = {
491 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
492 };
493
494 static const struct soc_enum sidetone_hpf =
495 SOC_ENUM_SINGLE(WM8996_SIDETONE, 7, 7, sidetone_hpf_text);
496
497 static const char *hpf_mode_text[] = {
498 "HiFi", "Custom", "Voice"
499 };
500
501 static const struct soc_enum dsp1tx_hpf_mode =
502 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 3, 3, hpf_mode_text);
503
504 static const struct soc_enum dsp2tx_hpf_mode =
505 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 3, 3, hpf_mode_text);
506
507 static const char *hpf_cutoff_text[] = {
508 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
509 };
510
511 static const struct soc_enum dsp1tx_hpf_cutoff =
512 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 0, 7, hpf_cutoff_text);
513
514 static const struct soc_enum dsp2tx_hpf_cutoff =
515 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 0, 7, hpf_cutoff_text);
516
wm8996_set_retune_mobile(struct snd_soc_codec * codec,int block)517 static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
518 {
519 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
520 struct wm8996_pdata *pdata = &wm8996->pdata;
521 int base, best, best_val, save, i, cfg, iface;
522
523 if (!wm8996->num_retune_mobile_texts)
524 return;
525
526 switch (block) {
527 case 0:
528 base = WM8996_DSP1_RX_EQ_GAINS_1;
529 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
530 WM8996_DSP1RX_SRC)
531 iface = 1;
532 else
533 iface = 0;
534 break;
535 case 1:
536 base = WM8996_DSP1_RX_EQ_GAINS_2;
537 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
538 WM8996_DSP2RX_SRC)
539 iface = 1;
540 else
541 iface = 0;
542 break;
543 default:
544 return;
545 }
546
547 /* Find the version of the currently selected configuration
548 * with the nearest sample rate. */
549 cfg = wm8996->retune_mobile_cfg[block];
550 best = 0;
551 best_val = INT_MAX;
552 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
553 if (strcmp(pdata->retune_mobile_cfgs[i].name,
554 wm8996->retune_mobile_texts[cfg]) == 0 &&
555 abs(pdata->retune_mobile_cfgs[i].rate
556 - wm8996->rx_rate[iface]) < best_val) {
557 best = i;
558 best_val = abs(pdata->retune_mobile_cfgs[i].rate
559 - wm8996->rx_rate[iface]);
560 }
561 }
562
563 dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
564 block,
565 pdata->retune_mobile_cfgs[best].name,
566 pdata->retune_mobile_cfgs[best].rate,
567 wm8996->rx_rate[iface]);
568
569 /* The EQ will be disabled while reconfiguring it, remember the
570 * current configuration.
571 */
572 save = snd_soc_read(codec, base);
573 save &= WM8996_DSP1RX_EQ_ENA;
574
575 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
576 snd_soc_update_bits(codec, base + i, 0xffff,
577 pdata->retune_mobile_cfgs[best].regs[i]);
578
579 snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
580 }
581
582 /* Icky as hell but saves code duplication */
wm8996_get_retune_mobile_block(const char * name)583 static int wm8996_get_retune_mobile_block(const char *name)
584 {
585 if (strcmp(name, "DSP1 EQ Mode") == 0)
586 return 0;
587 if (strcmp(name, "DSP2 EQ Mode") == 0)
588 return 1;
589 return -EINVAL;
590 }
591
wm8996_put_retune_mobile_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)592 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
593 struct snd_ctl_elem_value *ucontrol)
594 {
595 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
596 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
597 struct wm8996_pdata *pdata = &wm8996->pdata;
598 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
599 int value = ucontrol->value.integer.value[0];
600
601 if (block < 0)
602 return block;
603
604 if (value >= pdata->num_retune_mobile_cfgs)
605 return -EINVAL;
606
607 wm8996->retune_mobile_cfg[block] = value;
608
609 wm8996_set_retune_mobile(codec, block);
610
611 return 0;
612 }
613
wm8996_get_retune_mobile_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)614 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
615 struct snd_ctl_elem_value *ucontrol)
616 {
617 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
618 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
619 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
620
621 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
622
623 return 0;
624 }
625
626 static const struct snd_kcontrol_new wm8996_snd_controls[] = {
627 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
628 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
629 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
630 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
631
632 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
633 0, 5, 24, 0, sidetone_tlv),
634 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
635 0, 5, 24, 0, sidetone_tlv),
636 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
637 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
638 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
639
640 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
641 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
642 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
643 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
644
645 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
646 13, 1, 0),
647 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
648 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
649 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
650
651 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
652 13, 1, 0),
653 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
654 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
655 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
656
657 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
658 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
659 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
660
661 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
662 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
663 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
664
665 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
666 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
667 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
668 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
669
670 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
671 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
672 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
673 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
674
675 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
676 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
677 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
678 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
679
680 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
681 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
682
683 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
684 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
685
686 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
687 0, threedstereo_tlv),
688 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
689 0, threedstereo_tlv),
690
691 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
692 8, 0, out_digital_tlv),
693 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
694 8, 0, out_digital_tlv),
695
696 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
697 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
698 SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
699 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
700
701 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
702 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
703 SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
704 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
705
706 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
707 spk_tlv),
708 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
709 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
710 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
711 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
712
713 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
714 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
715
716 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
717 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
718 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
719
720 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
721 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
722 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
723 };
724
725 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
726 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
727 eq_tlv),
728 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
729 eq_tlv),
730 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
731 eq_tlv),
732 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
733 eq_tlv),
734 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
735 eq_tlv),
736
737 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
738 eq_tlv),
739 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
740 eq_tlv),
741 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
742 eq_tlv),
743 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
744 eq_tlv),
745 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
746 eq_tlv),
747 };
748
wm8996_bg_enable(struct snd_soc_codec * codec)749 static void wm8996_bg_enable(struct snd_soc_codec *codec)
750 {
751 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
752
753 wm8996->bg_ena++;
754 if (wm8996->bg_ena == 1) {
755 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
756 WM8996_BG_ENA, WM8996_BG_ENA);
757 msleep(2);
758 }
759 }
760
wm8996_bg_disable(struct snd_soc_codec * codec)761 static void wm8996_bg_disable(struct snd_soc_codec *codec)
762 {
763 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
764
765 wm8996->bg_ena--;
766 if (!wm8996->bg_ena)
767 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
768 WM8996_BG_ENA, 0);
769 }
770
bg_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)771 static int bg_event(struct snd_soc_dapm_widget *w,
772 struct snd_kcontrol *kcontrol, int event)
773 {
774 struct snd_soc_codec *codec = w->codec;
775 int ret = 0;
776
777 switch (event) {
778 case SND_SOC_DAPM_PRE_PMU:
779 wm8996_bg_enable(codec);
780 break;
781 case SND_SOC_DAPM_POST_PMD:
782 wm8996_bg_disable(codec);
783 break;
784 default:
785 BUG();
786 ret = -EINVAL;
787 }
788
789 return ret;
790 }
791
cp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)792 static int cp_event(struct snd_soc_dapm_widget *w,
793 struct snd_kcontrol *kcontrol, int event)
794 {
795 struct snd_soc_codec *codec = w->codec;
796 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
797 int ret = 0;
798
799 switch (event) {
800 case SND_SOC_DAPM_PRE_PMU:
801 ret = regulator_enable(wm8996->cpvdd);
802 if (ret != 0)
803 dev_err(codec->dev, "Failed to enable CPVDD: %d\n",
804 ret);
805 break;
806 case SND_SOC_DAPM_POST_PMU:
807 msleep(5);
808 break;
809 case SND_SOC_DAPM_POST_PMD:
810 regulator_disable_deferred(wm8996->cpvdd, 20);
811 break;
812 default:
813 BUG();
814 ret = -EINVAL;
815 }
816
817 return ret;
818 }
819
rmv_short_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)820 static int rmv_short_event(struct snd_soc_dapm_widget *w,
821 struct snd_kcontrol *kcontrol, int event)
822 {
823 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
824
825 /* Record which outputs we enabled */
826 switch (event) {
827 case SND_SOC_DAPM_PRE_PMD:
828 wm8996->hpout_pending &= ~w->shift;
829 break;
830 case SND_SOC_DAPM_PRE_PMU:
831 wm8996->hpout_pending |= w->shift;
832 break;
833 default:
834 BUG();
835 return -EINVAL;
836 }
837
838 return 0;
839 }
840
wait_for_dc_servo(struct snd_soc_codec * codec,u16 mask)841 static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
842 {
843 struct i2c_client *i2c = to_i2c_client(codec->dev);
844 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
845 int ret;
846 unsigned long timeout = 200;
847
848 snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
849
850 /* Use the interrupt if possible */
851 do {
852 if (i2c->irq) {
853 timeout = wait_for_completion_timeout(&wm8996->dcs_done,
854 msecs_to_jiffies(200));
855 if (timeout == 0)
856 dev_err(codec->dev, "DC servo timed out\n");
857
858 } else {
859 msleep(1);
860 timeout--;
861 }
862
863 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
864 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
865 } while (timeout && ret & mask);
866
867 if (timeout == 0)
868 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
869 else
870 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
871 }
872
wm8996_seq_notifier(struct snd_soc_dapm_context * dapm,enum snd_soc_dapm_type event,int subseq)873 static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
874 enum snd_soc_dapm_type event, int subseq)
875 {
876 struct snd_soc_codec *codec = container_of(dapm,
877 struct snd_soc_codec, dapm);
878 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
879 u16 val, mask;
880
881 /* Complete any pending DC servo starts */
882 if (wm8996->dcs_pending) {
883 dev_dbg(codec->dev, "Starting DC servo for %x\n",
884 wm8996->dcs_pending);
885
886 /* Trigger a startup sequence */
887 wait_for_dc_servo(codec, wm8996->dcs_pending
888 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
889
890 wm8996->dcs_pending = 0;
891 }
892
893 if (wm8996->hpout_pending != wm8996->hpout_ena) {
894 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
895 wm8996->hpout_ena, wm8996->hpout_pending);
896
897 val = 0;
898 mask = 0;
899 if (wm8996->hpout_pending & HPOUT1L) {
900 val |= WM8996_HPOUT1L_RMV_SHORT;
901 mask |= WM8996_HPOUT1L_RMV_SHORT;
902 } else {
903 mask |= WM8996_HPOUT1L_RMV_SHORT |
904 WM8996_HPOUT1L_OUTP |
905 WM8996_HPOUT1L_DLY;
906 }
907
908 if (wm8996->hpout_pending & HPOUT1R) {
909 val |= WM8996_HPOUT1R_RMV_SHORT;
910 mask |= WM8996_HPOUT1R_RMV_SHORT;
911 } else {
912 mask |= WM8996_HPOUT1R_RMV_SHORT |
913 WM8996_HPOUT1R_OUTP |
914 WM8996_HPOUT1R_DLY;
915 }
916
917 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
918
919 val = 0;
920 mask = 0;
921 if (wm8996->hpout_pending & HPOUT2L) {
922 val |= WM8996_HPOUT2L_RMV_SHORT;
923 mask |= WM8996_HPOUT2L_RMV_SHORT;
924 } else {
925 mask |= WM8996_HPOUT2L_RMV_SHORT |
926 WM8996_HPOUT2L_OUTP |
927 WM8996_HPOUT2L_DLY;
928 }
929
930 if (wm8996->hpout_pending & HPOUT2R) {
931 val |= WM8996_HPOUT2R_RMV_SHORT;
932 mask |= WM8996_HPOUT2R_RMV_SHORT;
933 } else {
934 mask |= WM8996_HPOUT2R_RMV_SHORT |
935 WM8996_HPOUT2R_OUTP |
936 WM8996_HPOUT2R_DLY;
937 }
938
939 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
940
941 wm8996->hpout_ena = wm8996->hpout_pending;
942 }
943 }
944
dcs_start(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)945 static int dcs_start(struct snd_soc_dapm_widget *w,
946 struct snd_kcontrol *kcontrol, int event)
947 {
948 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
949
950 switch (event) {
951 case SND_SOC_DAPM_POST_PMU:
952 wm8996->dcs_pending |= 1 << w->shift;
953 break;
954 default:
955 BUG();
956 return -EINVAL;
957 }
958
959 return 0;
960 }
961
962 static const char *sidetone_text[] = {
963 "IN1", "IN2",
964 };
965
966 static const struct soc_enum left_sidetone_enum =
967 SOC_ENUM_SINGLE(WM8996_SIDETONE, 0, 2, sidetone_text);
968
969 static const struct snd_kcontrol_new left_sidetone =
970 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
971
972 static const struct soc_enum right_sidetone_enum =
973 SOC_ENUM_SINGLE(WM8996_SIDETONE, 1, 2, sidetone_text);
974
975 static const struct snd_kcontrol_new right_sidetone =
976 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
977
978 static const char *spk_text[] = {
979 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
980 };
981
982 static const struct soc_enum spkl_enum =
983 SOC_ENUM_SINGLE(WM8996_LEFT_PDM_SPEAKER, 0, 4, spk_text);
984
985 static const struct snd_kcontrol_new spkl_mux =
986 SOC_DAPM_ENUM("SPKL", spkl_enum);
987
988 static const struct soc_enum spkr_enum =
989 SOC_ENUM_SINGLE(WM8996_RIGHT_PDM_SPEAKER, 0, 4, spk_text);
990
991 static const struct snd_kcontrol_new spkr_mux =
992 SOC_DAPM_ENUM("SPKR", spkr_enum);
993
994 static const char *dsp1rx_text[] = {
995 "AIF1", "AIF2"
996 };
997
998 static const struct soc_enum dsp1rx_enum =
999 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 0, 2, dsp1rx_text);
1000
1001 static const struct snd_kcontrol_new dsp1rx =
1002 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
1003
1004 static const char *dsp2rx_text[] = {
1005 "AIF2", "AIF1"
1006 };
1007
1008 static const struct soc_enum dsp2rx_enum =
1009 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 4, 2, dsp2rx_text);
1010
1011 static const struct snd_kcontrol_new dsp2rx =
1012 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
1013
1014 static const char *aif2tx_text[] = {
1015 "DSP2", "DSP1", "AIF1"
1016 };
1017
1018 static const struct soc_enum aif2tx_enum =
1019 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 6, 3, aif2tx_text);
1020
1021 static const struct snd_kcontrol_new aif2tx =
1022 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
1023
1024 static const char *inmux_text[] = {
1025 "ADC", "DMIC1", "DMIC2"
1026 };
1027
1028 static const struct soc_enum in1_enum =
1029 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 0, 3, inmux_text);
1030
1031 static const struct snd_kcontrol_new in1_mux =
1032 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
1033
1034 static const struct soc_enum in2_enum =
1035 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 4, 3, inmux_text);
1036
1037 static const struct snd_kcontrol_new in2_mux =
1038 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
1039
1040 static const struct snd_kcontrol_new dac2r_mix[] = {
1041 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
1042 5, 1, 0),
1043 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
1044 4, 1, 0),
1045 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
1046 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
1047 };
1048
1049 static const struct snd_kcontrol_new dac2l_mix[] = {
1050 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
1051 5, 1, 0),
1052 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
1053 4, 1, 0),
1054 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
1055 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
1056 };
1057
1058 static const struct snd_kcontrol_new dac1r_mix[] = {
1059 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
1060 5, 1, 0),
1061 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
1062 4, 1, 0),
1063 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
1064 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
1065 };
1066
1067 static const struct snd_kcontrol_new dac1l_mix[] = {
1068 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
1069 5, 1, 0),
1070 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
1071 4, 1, 0),
1072 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
1073 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
1074 };
1075
1076 static const struct snd_kcontrol_new dsp1txl[] = {
1077 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
1078 1, 1, 0),
1079 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
1080 0, 1, 0),
1081 };
1082
1083 static const struct snd_kcontrol_new dsp1txr[] = {
1084 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
1085 1, 1, 0),
1086 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
1087 0, 1, 0),
1088 };
1089
1090 static const struct snd_kcontrol_new dsp2txl[] = {
1091 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
1092 1, 1, 0),
1093 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
1094 0, 1, 0),
1095 };
1096
1097 static const struct snd_kcontrol_new dsp2txr[] = {
1098 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
1099 1, 1, 0),
1100 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
1101 0, 1, 0),
1102 };
1103
1104
1105 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
1106 SND_SOC_DAPM_INPUT("IN1LN"),
1107 SND_SOC_DAPM_INPUT("IN1LP"),
1108 SND_SOC_DAPM_INPUT("IN1RN"),
1109 SND_SOC_DAPM_INPUT("IN1RP"),
1110
1111 SND_SOC_DAPM_INPUT("IN2LN"),
1112 SND_SOC_DAPM_INPUT("IN2LP"),
1113 SND_SOC_DAPM_INPUT("IN2RN"),
1114 SND_SOC_DAPM_INPUT("IN2RP"),
1115
1116 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1117 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1118
1119 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
1120 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
1121 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
1122 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
1123 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1124 SND_SOC_DAPM_POST_PMD),
1125 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
1126 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1127 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
1128 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
1129 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
1130 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
1131 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
1132
1133 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
1134 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
1135
1136 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
1137 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
1138 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
1139 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
1140
1141 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
1142 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
1143
1144 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
1145 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
1146 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
1147 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
1148
1149 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
1150 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
1151
1152 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
1153 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
1154
1155 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
1156 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
1157 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
1158 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
1159
1160 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
1161 dsp2txl, ARRAY_SIZE(dsp2txl)),
1162 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
1163 dsp2txr, ARRAY_SIZE(dsp2txr)),
1164 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
1165 dsp1txl, ARRAY_SIZE(dsp1txl)),
1166 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
1167 dsp1txr, ARRAY_SIZE(dsp1txr)),
1168
1169 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1170 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
1171 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1172 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
1173 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1174 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1175 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1176 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1177
1178 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
1179 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
1180 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
1181 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
1182
1183 SND_SOC_DAPM_AIF_IN("AIF2RX1", "AIF2 Playback", 0,
1184 WM8996_POWER_MANAGEMENT_4, 9, 0),
1185 SND_SOC_DAPM_AIF_IN("AIF2RX0", "AIF2 Playback", 1,
1186 WM8996_POWER_MANAGEMENT_4, 8, 0),
1187
1188 SND_SOC_DAPM_AIF_OUT("AIF2TX1", "AIF2 Capture", 0,
1189 WM8996_POWER_MANAGEMENT_6, 9, 0),
1190 SND_SOC_DAPM_AIF_OUT("AIF2TX0", "AIF2 Capture", 1,
1191 WM8996_POWER_MANAGEMENT_6, 8, 0),
1192
1193 SND_SOC_DAPM_AIF_IN("AIF1RX5", "AIF1 Playback", 5,
1194 WM8996_POWER_MANAGEMENT_4, 5, 0),
1195 SND_SOC_DAPM_AIF_IN("AIF1RX4", "AIF1 Playback", 4,
1196 WM8996_POWER_MANAGEMENT_4, 4, 0),
1197 SND_SOC_DAPM_AIF_IN("AIF1RX3", "AIF1 Playback", 3,
1198 WM8996_POWER_MANAGEMENT_4, 3, 0),
1199 SND_SOC_DAPM_AIF_IN("AIF1RX2", "AIF1 Playback", 2,
1200 WM8996_POWER_MANAGEMENT_4, 2, 0),
1201 SND_SOC_DAPM_AIF_IN("AIF1RX1", "AIF1 Playback", 1,
1202 WM8996_POWER_MANAGEMENT_4, 1, 0),
1203 SND_SOC_DAPM_AIF_IN("AIF1RX0", "AIF1 Playback", 0,
1204 WM8996_POWER_MANAGEMENT_4, 0, 0),
1205
1206 SND_SOC_DAPM_AIF_OUT("AIF1TX5", "AIF1 Capture", 5,
1207 WM8996_POWER_MANAGEMENT_6, 5, 0),
1208 SND_SOC_DAPM_AIF_OUT("AIF1TX4", "AIF1 Capture", 4,
1209 WM8996_POWER_MANAGEMENT_6, 4, 0),
1210 SND_SOC_DAPM_AIF_OUT("AIF1TX3", "AIF1 Capture", 3,
1211 WM8996_POWER_MANAGEMENT_6, 3, 0),
1212 SND_SOC_DAPM_AIF_OUT("AIF1TX2", "AIF1 Capture", 2,
1213 WM8996_POWER_MANAGEMENT_6, 2, 0),
1214 SND_SOC_DAPM_AIF_OUT("AIF1TX1", "AIF1 Capture", 1,
1215 WM8996_POWER_MANAGEMENT_6, 1, 0),
1216 SND_SOC_DAPM_AIF_OUT("AIF1TX0", "AIF1 Capture", 0,
1217 WM8996_POWER_MANAGEMENT_6, 0, 0),
1218
1219 /* We route as stereo pairs so define some dummy widgets to squash
1220 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1221 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1222 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1223 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1224 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1225 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1226
1227 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1228 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1229 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1230
1231 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1232 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1233 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1234 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1235
1236 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1237 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1238 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1239 SND_SOC_DAPM_POST_PMU),
1240 SND_SOC_DAPM_PGA_S("HPOUT2L_OUTP", 3, WM8996_ANALOGUE_HP_2, 6, 0, NULL, 0),
1241 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1242 rmv_short_event,
1243 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1244
1245 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1246 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1247 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1248 SND_SOC_DAPM_POST_PMU),
1249 SND_SOC_DAPM_PGA_S("HPOUT2R_OUTP", 3, WM8996_ANALOGUE_HP_2, 2, 0, NULL, 0),
1250 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1251 rmv_short_event,
1252 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1253
1254 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1255 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1256 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1257 SND_SOC_DAPM_POST_PMU),
1258 SND_SOC_DAPM_PGA_S("HPOUT1L_OUTP", 3, WM8996_ANALOGUE_HP_1, 6, 0, NULL, 0),
1259 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1260 rmv_short_event,
1261 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1262
1263 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1264 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1265 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1266 SND_SOC_DAPM_POST_PMU),
1267 SND_SOC_DAPM_PGA_S("HPOUT1R_OUTP", 3, WM8996_ANALOGUE_HP_1, 2, 0, NULL, 0),
1268 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1269 rmv_short_event,
1270 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1271
1272 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1273 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1274 SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1275 SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1276 SND_SOC_DAPM_OUTPUT("SPKDAT"),
1277 };
1278
1279 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1280 { "AIFCLK", NULL, "SYSCLK" },
1281 { "SYSDSPCLK", NULL, "SYSCLK" },
1282 { "Charge Pump", NULL, "SYSCLK" },
1283
1284 { "MICB1", NULL, "LDO2" },
1285 { "MICB1", NULL, "MICB1 Audio" },
1286 { "MICB1", NULL, "Bandgap" },
1287 { "MICB2", NULL, "LDO2" },
1288 { "MICB2", NULL, "MICB2 Audio" },
1289 { "MICB2", NULL, "Bandgap" },
1290
1291 { "IN1L PGA", NULL, "IN2LN" },
1292 { "IN1L PGA", NULL, "IN2LP" },
1293 { "IN1L PGA", NULL, "IN1LN" },
1294 { "IN1L PGA", NULL, "IN1LP" },
1295 { "IN1L PGA", NULL, "Bandgap" },
1296
1297 { "IN1R PGA", NULL, "IN2RN" },
1298 { "IN1R PGA", NULL, "IN2RP" },
1299 { "IN1R PGA", NULL, "IN1RN" },
1300 { "IN1R PGA", NULL, "IN1RP" },
1301 { "IN1R PGA", NULL, "Bandgap" },
1302
1303 { "ADCL", NULL, "IN1L PGA" },
1304
1305 { "ADCR", NULL, "IN1R PGA" },
1306
1307 { "DMIC1L", NULL, "DMIC1DAT" },
1308 { "DMIC1R", NULL, "DMIC1DAT" },
1309 { "DMIC2L", NULL, "DMIC2DAT" },
1310 { "DMIC2R", NULL, "DMIC2DAT" },
1311
1312 { "DMIC2L", NULL, "DMIC2" },
1313 { "DMIC2R", NULL, "DMIC2" },
1314 { "DMIC1L", NULL, "DMIC1" },
1315 { "DMIC1R", NULL, "DMIC1" },
1316
1317 { "IN1L Mux", "ADC", "ADCL" },
1318 { "IN1L Mux", "DMIC1", "DMIC1L" },
1319 { "IN1L Mux", "DMIC2", "DMIC2L" },
1320
1321 { "IN1R Mux", "ADC", "ADCR" },
1322 { "IN1R Mux", "DMIC1", "DMIC1R" },
1323 { "IN1R Mux", "DMIC2", "DMIC2R" },
1324
1325 { "IN2L Mux", "ADC", "ADCL" },
1326 { "IN2L Mux", "DMIC1", "DMIC1L" },
1327 { "IN2L Mux", "DMIC2", "DMIC2L" },
1328
1329 { "IN2R Mux", "ADC", "ADCR" },
1330 { "IN2R Mux", "DMIC1", "DMIC1R" },
1331 { "IN2R Mux", "DMIC2", "DMIC2R" },
1332
1333 { "Left Sidetone", "IN1", "IN1L Mux" },
1334 { "Left Sidetone", "IN2", "IN2L Mux" },
1335
1336 { "Right Sidetone", "IN1", "IN1R Mux" },
1337 { "Right Sidetone", "IN2", "IN2R Mux" },
1338
1339 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1340 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1341
1342 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1343 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1344
1345 { "AIF1TX0", NULL, "DSP1TXL" },
1346 { "AIF1TX1", NULL, "DSP1TXR" },
1347 { "AIF1TX2", NULL, "DSP2TXL" },
1348 { "AIF1TX3", NULL, "DSP2TXR" },
1349 { "AIF1TX4", NULL, "AIF2RX0" },
1350 { "AIF1TX5", NULL, "AIF2RX1" },
1351
1352 { "AIF1RX0", NULL, "AIFCLK" },
1353 { "AIF1RX1", NULL, "AIFCLK" },
1354 { "AIF1RX2", NULL, "AIFCLK" },
1355 { "AIF1RX3", NULL, "AIFCLK" },
1356 { "AIF1RX4", NULL, "AIFCLK" },
1357 { "AIF1RX5", NULL, "AIFCLK" },
1358
1359 { "AIF2RX0", NULL, "AIFCLK" },
1360 { "AIF2RX1", NULL, "AIFCLK" },
1361
1362 { "AIF1TX0", NULL, "AIFCLK" },
1363 { "AIF1TX1", NULL, "AIFCLK" },
1364 { "AIF1TX2", NULL, "AIFCLK" },
1365 { "AIF1TX3", NULL, "AIFCLK" },
1366 { "AIF1TX4", NULL, "AIFCLK" },
1367 { "AIF1TX5", NULL, "AIFCLK" },
1368
1369 { "AIF2TX0", NULL, "AIFCLK" },
1370 { "AIF2TX1", NULL, "AIFCLK" },
1371
1372 { "DSP1RXL", NULL, "SYSDSPCLK" },
1373 { "DSP1RXR", NULL, "SYSDSPCLK" },
1374 { "DSP2RXL", NULL, "SYSDSPCLK" },
1375 { "DSP2RXR", NULL, "SYSDSPCLK" },
1376 { "DSP1TXL", NULL, "SYSDSPCLK" },
1377 { "DSP1TXR", NULL, "SYSDSPCLK" },
1378 { "DSP2TXL", NULL, "SYSDSPCLK" },
1379 { "DSP2TXR", NULL, "SYSDSPCLK" },
1380
1381 { "AIF1RXA", NULL, "AIF1RX0" },
1382 { "AIF1RXA", NULL, "AIF1RX1" },
1383 { "AIF1RXB", NULL, "AIF1RX2" },
1384 { "AIF1RXB", NULL, "AIF1RX3" },
1385 { "AIF1RXC", NULL, "AIF1RX4" },
1386 { "AIF1RXC", NULL, "AIF1RX5" },
1387
1388 { "AIF2RX", NULL, "AIF2RX0" },
1389 { "AIF2RX", NULL, "AIF2RX1" },
1390
1391 { "AIF2TX", "DSP2", "DSP2TX" },
1392 { "AIF2TX", "DSP1", "DSP1RX" },
1393 { "AIF2TX", "AIF1", "AIF1RXC" },
1394
1395 { "DSP1RXL", NULL, "DSP1RX" },
1396 { "DSP1RXR", NULL, "DSP1RX" },
1397 { "DSP2RXL", NULL, "DSP2RX" },
1398 { "DSP2RXR", NULL, "DSP2RX" },
1399
1400 { "DSP2TX", NULL, "DSP2TXL" },
1401 { "DSP2TX", NULL, "DSP2TXR" },
1402
1403 { "DSP1RX", "AIF1", "AIF1RXA" },
1404 { "DSP1RX", "AIF2", "AIF2RX" },
1405
1406 { "DSP2RX", "AIF1", "AIF1RXB" },
1407 { "DSP2RX", "AIF2", "AIF2RX" },
1408
1409 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1410 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1411 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1412 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1413
1414 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1415 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1416 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1417 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1418
1419 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1420 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1421 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1422 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1423
1424 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1425 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1426 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1427 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1428
1429 { "DAC1L", NULL, "DAC1L Mixer" },
1430 { "DAC1R", NULL, "DAC1R Mixer" },
1431 { "DAC2L", NULL, "DAC2L Mixer" },
1432 { "DAC2R", NULL, "DAC2R Mixer" },
1433
1434 { "HPOUT2L PGA", NULL, "Charge Pump" },
1435 { "HPOUT2L PGA", NULL, "Bandgap" },
1436 { "HPOUT2L PGA", NULL, "DAC2L" },
1437 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1438 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1439 { "HPOUT2L_OUTP", NULL, "HPOUT2L_DCS" },
1440 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_OUTP" },
1441
1442 { "HPOUT2R PGA", NULL, "Charge Pump" },
1443 { "HPOUT2R PGA", NULL, "Bandgap" },
1444 { "HPOUT2R PGA", NULL, "DAC2R" },
1445 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1446 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1447 { "HPOUT2R_OUTP", NULL, "HPOUT2R_DCS" },
1448 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_OUTP" },
1449
1450 { "HPOUT1L PGA", NULL, "Charge Pump" },
1451 { "HPOUT1L PGA", NULL, "Bandgap" },
1452 { "HPOUT1L PGA", NULL, "DAC1L" },
1453 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1454 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1455 { "HPOUT1L_OUTP", NULL, "HPOUT1L_DCS" },
1456 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_OUTP" },
1457
1458 { "HPOUT1R PGA", NULL, "Charge Pump" },
1459 { "HPOUT1R PGA", NULL, "Bandgap" },
1460 { "HPOUT1R PGA", NULL, "DAC1R" },
1461 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1462 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1463 { "HPOUT1R_OUTP", NULL, "HPOUT1R_DCS" },
1464 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_OUTP" },
1465
1466 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1467 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1468 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1469 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1470
1471 { "SPKL", "DAC1L", "DAC1L" },
1472 { "SPKL", "DAC1R", "DAC1R" },
1473 { "SPKL", "DAC2L", "DAC2L" },
1474 { "SPKL", "DAC2R", "DAC2R" },
1475
1476 { "SPKR", "DAC1L", "DAC1L" },
1477 { "SPKR", "DAC1R", "DAC1R" },
1478 { "SPKR", "DAC2L", "DAC2L" },
1479 { "SPKR", "DAC2R", "DAC2R" },
1480
1481 { "SPKL PGA", NULL, "SPKL" },
1482 { "SPKR PGA", NULL, "SPKR" },
1483
1484 { "SPKDAT", NULL, "SPKL PGA" },
1485 { "SPKDAT", NULL, "SPKR PGA" },
1486 };
1487
wm8996_readable_register(struct device * dev,unsigned int reg)1488 static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1489 {
1490 /* Due to the sparseness of the register map the compiler
1491 * output from an explicit switch statement ends up being much
1492 * more efficient than a table.
1493 */
1494 switch (reg) {
1495 case WM8996_SOFTWARE_RESET:
1496 case WM8996_POWER_MANAGEMENT_1:
1497 case WM8996_POWER_MANAGEMENT_2:
1498 case WM8996_POWER_MANAGEMENT_3:
1499 case WM8996_POWER_MANAGEMENT_4:
1500 case WM8996_POWER_MANAGEMENT_5:
1501 case WM8996_POWER_MANAGEMENT_6:
1502 case WM8996_POWER_MANAGEMENT_7:
1503 case WM8996_POWER_MANAGEMENT_8:
1504 case WM8996_LEFT_LINE_INPUT_VOLUME:
1505 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1506 case WM8996_LINE_INPUT_CONTROL:
1507 case WM8996_DAC1_HPOUT1_VOLUME:
1508 case WM8996_DAC2_HPOUT2_VOLUME:
1509 case WM8996_DAC1_LEFT_VOLUME:
1510 case WM8996_DAC1_RIGHT_VOLUME:
1511 case WM8996_DAC2_LEFT_VOLUME:
1512 case WM8996_DAC2_RIGHT_VOLUME:
1513 case WM8996_OUTPUT1_LEFT_VOLUME:
1514 case WM8996_OUTPUT1_RIGHT_VOLUME:
1515 case WM8996_OUTPUT2_LEFT_VOLUME:
1516 case WM8996_OUTPUT2_RIGHT_VOLUME:
1517 case WM8996_MICBIAS_1:
1518 case WM8996_MICBIAS_2:
1519 case WM8996_LDO_1:
1520 case WM8996_LDO_2:
1521 case WM8996_ACCESSORY_DETECT_MODE_1:
1522 case WM8996_ACCESSORY_DETECT_MODE_2:
1523 case WM8996_HEADPHONE_DETECT_1:
1524 case WM8996_HEADPHONE_DETECT_2:
1525 case WM8996_MIC_DETECT_1:
1526 case WM8996_MIC_DETECT_2:
1527 case WM8996_MIC_DETECT_3:
1528 case WM8996_CHARGE_PUMP_1:
1529 case WM8996_CHARGE_PUMP_2:
1530 case WM8996_DC_SERVO_1:
1531 case WM8996_DC_SERVO_2:
1532 case WM8996_DC_SERVO_3:
1533 case WM8996_DC_SERVO_5:
1534 case WM8996_DC_SERVO_6:
1535 case WM8996_DC_SERVO_7:
1536 case WM8996_DC_SERVO_READBACK_0:
1537 case WM8996_ANALOGUE_HP_1:
1538 case WM8996_ANALOGUE_HP_2:
1539 case WM8996_CHIP_REVISION:
1540 case WM8996_CONTROL_INTERFACE_1:
1541 case WM8996_WRITE_SEQUENCER_CTRL_1:
1542 case WM8996_WRITE_SEQUENCER_CTRL_2:
1543 case WM8996_AIF_CLOCKING_1:
1544 case WM8996_AIF_CLOCKING_2:
1545 case WM8996_CLOCKING_1:
1546 case WM8996_CLOCKING_2:
1547 case WM8996_AIF_RATE:
1548 case WM8996_FLL_CONTROL_1:
1549 case WM8996_FLL_CONTROL_2:
1550 case WM8996_FLL_CONTROL_3:
1551 case WM8996_FLL_CONTROL_4:
1552 case WM8996_FLL_CONTROL_5:
1553 case WM8996_FLL_CONTROL_6:
1554 case WM8996_FLL_EFS_1:
1555 case WM8996_FLL_EFS_2:
1556 case WM8996_AIF1_CONTROL:
1557 case WM8996_AIF1_BCLK:
1558 case WM8996_AIF1_TX_LRCLK_1:
1559 case WM8996_AIF1_TX_LRCLK_2:
1560 case WM8996_AIF1_RX_LRCLK_1:
1561 case WM8996_AIF1_RX_LRCLK_2:
1562 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1563 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1564 case WM8996_AIF1RX_DATA_CONFIGURATION:
1565 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1566 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1567 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1568 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1569 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1570 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1571 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1572 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1573 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1574 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1575 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1576 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1577 case WM8996_AIF1RX_MONO_CONFIGURATION:
1578 case WM8996_AIF1TX_TEST:
1579 case WM8996_AIF2_CONTROL:
1580 case WM8996_AIF2_BCLK:
1581 case WM8996_AIF2_TX_LRCLK_1:
1582 case WM8996_AIF2_TX_LRCLK_2:
1583 case WM8996_AIF2_RX_LRCLK_1:
1584 case WM8996_AIF2_RX_LRCLK_2:
1585 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1586 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1587 case WM8996_AIF2RX_DATA_CONFIGURATION:
1588 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1589 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1590 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1591 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1592 case WM8996_AIF2RX_MONO_CONFIGURATION:
1593 case WM8996_AIF2TX_TEST:
1594 case WM8996_DSP1_TX_LEFT_VOLUME:
1595 case WM8996_DSP1_TX_RIGHT_VOLUME:
1596 case WM8996_DSP1_RX_LEFT_VOLUME:
1597 case WM8996_DSP1_RX_RIGHT_VOLUME:
1598 case WM8996_DSP1_TX_FILTERS:
1599 case WM8996_DSP1_RX_FILTERS_1:
1600 case WM8996_DSP1_RX_FILTERS_2:
1601 case WM8996_DSP1_DRC_1:
1602 case WM8996_DSP1_DRC_2:
1603 case WM8996_DSP1_DRC_3:
1604 case WM8996_DSP1_DRC_4:
1605 case WM8996_DSP1_DRC_5:
1606 case WM8996_DSP1_RX_EQ_GAINS_1:
1607 case WM8996_DSP1_RX_EQ_GAINS_2:
1608 case WM8996_DSP1_RX_EQ_BAND_1_A:
1609 case WM8996_DSP1_RX_EQ_BAND_1_B:
1610 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1611 case WM8996_DSP1_RX_EQ_BAND_2_A:
1612 case WM8996_DSP1_RX_EQ_BAND_2_B:
1613 case WM8996_DSP1_RX_EQ_BAND_2_C:
1614 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1615 case WM8996_DSP1_RX_EQ_BAND_3_A:
1616 case WM8996_DSP1_RX_EQ_BAND_3_B:
1617 case WM8996_DSP1_RX_EQ_BAND_3_C:
1618 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1619 case WM8996_DSP1_RX_EQ_BAND_4_A:
1620 case WM8996_DSP1_RX_EQ_BAND_4_B:
1621 case WM8996_DSP1_RX_EQ_BAND_4_C:
1622 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1623 case WM8996_DSP1_RX_EQ_BAND_5_A:
1624 case WM8996_DSP1_RX_EQ_BAND_5_B:
1625 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1626 case WM8996_DSP2_TX_LEFT_VOLUME:
1627 case WM8996_DSP2_TX_RIGHT_VOLUME:
1628 case WM8996_DSP2_RX_LEFT_VOLUME:
1629 case WM8996_DSP2_RX_RIGHT_VOLUME:
1630 case WM8996_DSP2_TX_FILTERS:
1631 case WM8996_DSP2_RX_FILTERS_1:
1632 case WM8996_DSP2_RX_FILTERS_2:
1633 case WM8996_DSP2_DRC_1:
1634 case WM8996_DSP2_DRC_2:
1635 case WM8996_DSP2_DRC_3:
1636 case WM8996_DSP2_DRC_4:
1637 case WM8996_DSP2_DRC_5:
1638 case WM8996_DSP2_RX_EQ_GAINS_1:
1639 case WM8996_DSP2_RX_EQ_GAINS_2:
1640 case WM8996_DSP2_RX_EQ_BAND_1_A:
1641 case WM8996_DSP2_RX_EQ_BAND_1_B:
1642 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1643 case WM8996_DSP2_RX_EQ_BAND_2_A:
1644 case WM8996_DSP2_RX_EQ_BAND_2_B:
1645 case WM8996_DSP2_RX_EQ_BAND_2_C:
1646 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1647 case WM8996_DSP2_RX_EQ_BAND_3_A:
1648 case WM8996_DSP2_RX_EQ_BAND_3_B:
1649 case WM8996_DSP2_RX_EQ_BAND_3_C:
1650 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1651 case WM8996_DSP2_RX_EQ_BAND_4_A:
1652 case WM8996_DSP2_RX_EQ_BAND_4_B:
1653 case WM8996_DSP2_RX_EQ_BAND_4_C:
1654 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1655 case WM8996_DSP2_RX_EQ_BAND_5_A:
1656 case WM8996_DSP2_RX_EQ_BAND_5_B:
1657 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1658 case WM8996_DAC1_MIXER_VOLUMES:
1659 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1660 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1661 case WM8996_DAC2_MIXER_VOLUMES:
1662 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1663 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1664 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1665 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1666 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1667 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1668 case WM8996_DSP_TX_MIXER_SELECT:
1669 case WM8996_DAC_SOFTMUTE:
1670 case WM8996_OVERSAMPLING:
1671 case WM8996_SIDETONE:
1672 case WM8996_GPIO_1:
1673 case WM8996_GPIO_2:
1674 case WM8996_GPIO_3:
1675 case WM8996_GPIO_4:
1676 case WM8996_GPIO_5:
1677 case WM8996_PULL_CONTROL_1:
1678 case WM8996_PULL_CONTROL_2:
1679 case WM8996_INTERRUPT_STATUS_1:
1680 case WM8996_INTERRUPT_STATUS_2:
1681 case WM8996_INTERRUPT_RAW_STATUS_2:
1682 case WM8996_INTERRUPT_STATUS_1_MASK:
1683 case WM8996_INTERRUPT_STATUS_2_MASK:
1684 case WM8996_INTERRUPT_CONTROL:
1685 case WM8996_LEFT_PDM_SPEAKER:
1686 case WM8996_RIGHT_PDM_SPEAKER:
1687 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1688 case WM8996_PDM_SPEAKER_VOLUME:
1689 return 1;
1690 default:
1691 return 0;
1692 }
1693 }
1694
wm8996_volatile_register(struct device * dev,unsigned int reg)1695 static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1696 {
1697 switch (reg) {
1698 case WM8996_SOFTWARE_RESET:
1699 case WM8996_CHIP_REVISION:
1700 case WM8996_LDO_1:
1701 case WM8996_LDO_2:
1702 case WM8996_INTERRUPT_STATUS_1:
1703 case WM8996_INTERRUPT_STATUS_2:
1704 case WM8996_INTERRUPT_RAW_STATUS_2:
1705 case WM8996_DC_SERVO_READBACK_0:
1706 case WM8996_DC_SERVO_2:
1707 case WM8996_DC_SERVO_6:
1708 case WM8996_DC_SERVO_7:
1709 case WM8996_FLL_CONTROL_6:
1710 case WM8996_MIC_DETECT_3:
1711 case WM8996_HEADPHONE_DETECT_1:
1712 case WM8996_HEADPHONE_DETECT_2:
1713 return 1;
1714 default:
1715 return 0;
1716 }
1717 }
1718
wm8996_reset(struct wm8996_priv * wm8996)1719 static int wm8996_reset(struct wm8996_priv *wm8996)
1720 {
1721 if (wm8996->pdata.ldo_ena > 0) {
1722 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1723 return 0;
1724 } else {
1725 return regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
1726 0x8915);
1727 }
1728 }
1729
1730 static const int bclk_divs[] = {
1731 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1732 };
1733
wm8996_update_bclk(struct snd_soc_codec * codec)1734 static void wm8996_update_bclk(struct snd_soc_codec *codec)
1735 {
1736 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1737 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1738
1739 /* Don't bother if we're in a low frequency idle mode that
1740 * can't support audio.
1741 */
1742 if (wm8996->sysclk < 64000)
1743 return;
1744
1745 for (aif = 0; aif < WM8996_AIFS; aif++) {
1746 switch (aif) {
1747 case 0:
1748 bclk_reg = WM8996_AIF1_BCLK;
1749 break;
1750 case 1:
1751 bclk_reg = WM8996_AIF2_BCLK;
1752 break;
1753 }
1754
1755 bclk_rate = wm8996->bclk_rate[aif];
1756
1757 /* Pick a divisor for BCLK as close as we can get to ideal */
1758 best = 0;
1759 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1760 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1761 if (cur_val < 0) /* BCLK table is sorted */
1762 break;
1763 best = i;
1764 }
1765 bclk_rate = wm8996->sysclk / bclk_divs[best];
1766 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1767 bclk_divs[best], bclk_rate);
1768
1769 snd_soc_update_bits(codec, bclk_reg,
1770 WM8996_AIF1_BCLK_DIV_MASK, best);
1771 }
1772 }
1773
wm8996_set_bias_level(struct snd_soc_codec * codec,enum snd_soc_bias_level level)1774 static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1775 enum snd_soc_bias_level level)
1776 {
1777 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1778 int ret;
1779
1780 switch (level) {
1781 case SND_SOC_BIAS_ON:
1782 case SND_SOC_BIAS_PREPARE:
1783 break;
1784
1785 case SND_SOC_BIAS_STANDBY:
1786 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1787 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1788 wm8996->supplies);
1789 if (ret != 0) {
1790 dev_err(codec->dev,
1791 "Failed to enable supplies: %d\n",
1792 ret);
1793 return ret;
1794 }
1795
1796 if (wm8996->pdata.ldo_ena >= 0) {
1797 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1798 1);
1799 msleep(5);
1800 }
1801
1802 regcache_cache_only(codec->control_data, false);
1803 regcache_sync(codec->control_data);
1804 }
1805 break;
1806
1807 case SND_SOC_BIAS_OFF:
1808 regcache_cache_only(codec->control_data, true);
1809 if (wm8996->pdata.ldo_ena >= 0)
1810 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1811 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1812 wm8996->supplies);
1813 break;
1814 }
1815
1816 codec->dapm.bias_level = level;
1817
1818 return 0;
1819 }
1820
wm8996_set_fmt(struct snd_soc_dai * dai,unsigned int fmt)1821 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1822 {
1823 struct snd_soc_codec *codec = dai->codec;
1824 int aifctrl = 0;
1825 int bclk = 0;
1826 int lrclk_tx = 0;
1827 int lrclk_rx = 0;
1828 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1829
1830 switch (dai->id) {
1831 case 0:
1832 aifctrl_reg = WM8996_AIF1_CONTROL;
1833 bclk_reg = WM8996_AIF1_BCLK;
1834 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1835 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1836 break;
1837 case 1:
1838 aifctrl_reg = WM8996_AIF2_CONTROL;
1839 bclk_reg = WM8996_AIF2_BCLK;
1840 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1841 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1842 break;
1843 default:
1844 BUG();
1845 return -EINVAL;
1846 }
1847
1848 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1849 case SND_SOC_DAIFMT_NB_NF:
1850 break;
1851 case SND_SOC_DAIFMT_IB_NF:
1852 bclk |= WM8996_AIF1_BCLK_INV;
1853 break;
1854 case SND_SOC_DAIFMT_NB_IF:
1855 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1856 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1857 break;
1858 case SND_SOC_DAIFMT_IB_IF:
1859 bclk |= WM8996_AIF1_BCLK_INV;
1860 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1861 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1862 break;
1863 }
1864
1865 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1866 case SND_SOC_DAIFMT_CBS_CFS:
1867 break;
1868 case SND_SOC_DAIFMT_CBS_CFM:
1869 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1870 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1871 break;
1872 case SND_SOC_DAIFMT_CBM_CFS:
1873 bclk |= WM8996_AIF1_BCLK_MSTR;
1874 break;
1875 case SND_SOC_DAIFMT_CBM_CFM:
1876 bclk |= WM8996_AIF1_BCLK_MSTR;
1877 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1878 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1879 break;
1880 default:
1881 return -EINVAL;
1882 }
1883
1884 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1885 case SND_SOC_DAIFMT_DSP_A:
1886 break;
1887 case SND_SOC_DAIFMT_DSP_B:
1888 aifctrl |= 1;
1889 break;
1890 case SND_SOC_DAIFMT_I2S:
1891 aifctrl |= 2;
1892 break;
1893 case SND_SOC_DAIFMT_LEFT_J:
1894 aifctrl |= 3;
1895 break;
1896 default:
1897 return -EINVAL;
1898 }
1899
1900 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1901 snd_soc_update_bits(codec, bclk_reg,
1902 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1903 bclk);
1904 snd_soc_update_bits(codec, lrclk_tx_reg,
1905 WM8996_AIF1TX_LRCLK_INV |
1906 WM8996_AIF1TX_LRCLK_MSTR,
1907 lrclk_tx);
1908 snd_soc_update_bits(codec, lrclk_rx_reg,
1909 WM8996_AIF1RX_LRCLK_INV |
1910 WM8996_AIF1RX_LRCLK_MSTR,
1911 lrclk_rx);
1912
1913 return 0;
1914 }
1915
1916 static const int dsp_divs[] = {
1917 48000, 32000, 16000, 8000
1918 };
1919
wm8996_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1920 static int wm8996_hw_params(struct snd_pcm_substream *substream,
1921 struct snd_pcm_hw_params *params,
1922 struct snd_soc_dai *dai)
1923 {
1924 struct snd_soc_codec *codec = dai->codec;
1925 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1926 int bits, i, bclk_rate;
1927 int aifdata = 0;
1928 int lrclk = 0;
1929 int dsp = 0;
1930 int aifdata_reg, lrclk_reg, dsp_shift;
1931
1932 switch (dai->id) {
1933 case 0:
1934 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1935 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1936 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1937 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1938 } else {
1939 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1940 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1941 }
1942 dsp_shift = 0;
1943 break;
1944 case 1:
1945 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1946 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1947 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1948 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1949 } else {
1950 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1951 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1952 }
1953 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1954 break;
1955 default:
1956 BUG();
1957 return -EINVAL;
1958 }
1959
1960 bclk_rate = snd_soc_params_to_bclk(params);
1961 if (bclk_rate < 0) {
1962 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1963 return bclk_rate;
1964 }
1965
1966 wm8996->bclk_rate[dai->id] = bclk_rate;
1967 wm8996->rx_rate[dai->id] = params_rate(params);
1968
1969 /* Needs looking at for TDM */
1970 bits = snd_pcm_format_width(params_format(params));
1971 if (bits < 0)
1972 return bits;
1973 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1974
1975 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1976 if (dsp_divs[i] == params_rate(params))
1977 break;
1978 }
1979 if (i == ARRAY_SIZE(dsp_divs)) {
1980 dev_err(codec->dev, "Unsupported sample rate %dHz\n",
1981 params_rate(params));
1982 return -EINVAL;
1983 }
1984 dsp |= i << dsp_shift;
1985
1986 wm8996_update_bclk(codec);
1987
1988 lrclk = bclk_rate / params_rate(params);
1989 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1990 lrclk, bclk_rate / lrclk);
1991
1992 snd_soc_update_bits(codec, aifdata_reg,
1993 WM8996_AIF1TX_WL_MASK |
1994 WM8996_AIF1TX_SLOT_LEN_MASK,
1995 aifdata);
1996 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1997 lrclk);
1998 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1999 WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
2000
2001 return 0;
2002 }
2003
wm8996_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)2004 static int wm8996_set_sysclk(struct snd_soc_dai *dai,
2005 int clk_id, unsigned int freq, int dir)
2006 {
2007 struct snd_soc_codec *codec = dai->codec;
2008 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2009 int lfclk = 0;
2010 int ratediv = 0;
2011 int sync = WM8996_REG_SYNC;
2012 int src;
2013 int old;
2014
2015 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
2016 return 0;
2017
2018 /* Disable SYSCLK while we reconfigure */
2019 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
2020 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
2021 WM8996_SYSCLK_ENA, 0);
2022
2023 switch (clk_id) {
2024 case WM8996_SYSCLK_MCLK1:
2025 wm8996->sysclk = freq;
2026 src = 0;
2027 break;
2028 case WM8996_SYSCLK_MCLK2:
2029 wm8996->sysclk = freq;
2030 src = 1;
2031 break;
2032 case WM8996_SYSCLK_FLL:
2033 wm8996->sysclk = freq;
2034 src = 2;
2035 break;
2036 default:
2037 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
2038 return -EINVAL;
2039 }
2040
2041 switch (wm8996->sysclk) {
2042 case 6144000:
2043 snd_soc_update_bits(codec, WM8996_AIF_RATE,
2044 WM8996_SYSCLK_RATE, 0);
2045 break;
2046 case 24576000:
2047 ratediv = WM8996_SYSCLK_DIV;
2048 wm8996->sysclk /= 2;
2049 case 12288000:
2050 snd_soc_update_bits(codec, WM8996_AIF_RATE,
2051 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
2052 break;
2053 case 32000:
2054 case 32768:
2055 lfclk = WM8996_LFCLK_ENA;
2056 sync = 0;
2057 break;
2058 default:
2059 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
2060 wm8996->sysclk);
2061 return -EINVAL;
2062 }
2063
2064 wm8996_update_bclk(codec);
2065
2066 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
2067 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
2068 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
2069 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
2070 snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
2071 WM8996_REG_SYNC, sync);
2072 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
2073 WM8996_SYSCLK_ENA, old);
2074
2075 wm8996->sysclk_src = clk_id;
2076
2077 return 0;
2078 }
2079
2080 struct _fll_div {
2081 u16 fll_fratio;
2082 u16 fll_outdiv;
2083 u16 fll_refclk_div;
2084 u16 fll_loop_gain;
2085 u16 fll_ref_freq;
2086 u16 n;
2087 u16 theta;
2088 u16 lambda;
2089 };
2090
2091 static struct {
2092 unsigned int min;
2093 unsigned int max;
2094 u16 fll_fratio;
2095 int ratio;
2096 } fll_fratios[] = {
2097 { 0, 64000, 4, 16 },
2098 { 64000, 128000, 3, 8 },
2099 { 128000, 256000, 2, 4 },
2100 { 256000, 1000000, 1, 2 },
2101 { 1000000, 13500000, 0, 1 },
2102 };
2103
fll_factors(struct _fll_div * fll_div,unsigned int Fref,unsigned int Fout)2104 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
2105 unsigned int Fout)
2106 {
2107 unsigned int target;
2108 unsigned int div;
2109 unsigned int fratio, gcd_fll;
2110 int i;
2111
2112 /* Fref must be <=13.5MHz */
2113 div = 1;
2114 fll_div->fll_refclk_div = 0;
2115 while ((Fref / div) > 13500000) {
2116 div *= 2;
2117 fll_div->fll_refclk_div++;
2118
2119 if (div > 8) {
2120 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
2121 Fref);
2122 return -EINVAL;
2123 }
2124 }
2125
2126 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
2127
2128 /* Apply the division for our remaining calculations */
2129 Fref /= div;
2130
2131 if (Fref >= 3000000)
2132 fll_div->fll_loop_gain = 5;
2133 else
2134 fll_div->fll_loop_gain = 0;
2135
2136 if (Fref >= 48000)
2137 fll_div->fll_ref_freq = 0;
2138 else
2139 fll_div->fll_ref_freq = 1;
2140
2141 /* Fvco should be 90-100MHz; don't check the upper bound */
2142 div = 2;
2143 while (Fout * div < 90000000) {
2144 div++;
2145 if (div > 64) {
2146 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
2147 Fout);
2148 return -EINVAL;
2149 }
2150 }
2151 target = Fout * div;
2152 fll_div->fll_outdiv = div - 1;
2153
2154 pr_debug("FLL Fvco=%dHz\n", target);
2155
2156 /* Find an appropraite FLL_FRATIO and factor it out of the target */
2157 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
2158 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
2159 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
2160 fratio = fll_fratios[i].ratio;
2161 break;
2162 }
2163 }
2164 if (i == ARRAY_SIZE(fll_fratios)) {
2165 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
2166 return -EINVAL;
2167 }
2168
2169 fll_div->n = target / (fratio * Fref);
2170
2171 if (target % Fref == 0) {
2172 fll_div->theta = 0;
2173 fll_div->lambda = 0;
2174 } else {
2175 gcd_fll = gcd(target, fratio * Fref);
2176
2177 fll_div->theta = (target - (fll_div->n * fratio * Fref))
2178 / gcd_fll;
2179 fll_div->lambda = (fratio * Fref) / gcd_fll;
2180 }
2181
2182 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
2183 fll_div->n, fll_div->theta, fll_div->lambda);
2184 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
2185 fll_div->fll_fratio, fll_div->fll_outdiv,
2186 fll_div->fll_refclk_div);
2187
2188 return 0;
2189 }
2190
wm8996_set_fll(struct snd_soc_codec * codec,int fll_id,int source,unsigned int Fref,unsigned int Fout)2191 static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2192 unsigned int Fref, unsigned int Fout)
2193 {
2194 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2195 struct i2c_client *i2c = to_i2c_client(codec->dev);
2196 struct _fll_div fll_div;
2197 unsigned long timeout;
2198 int ret, reg, retry;
2199
2200 /* Any change? */
2201 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2202 Fout == wm8996->fll_fout)
2203 return 0;
2204
2205 if (Fout == 0) {
2206 dev_dbg(codec->dev, "FLL disabled\n");
2207
2208 wm8996->fll_fref = 0;
2209 wm8996->fll_fout = 0;
2210
2211 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2212 WM8996_FLL_ENA, 0);
2213
2214 wm8996_bg_disable(codec);
2215
2216 return 0;
2217 }
2218
2219 ret = fll_factors(&fll_div, Fref, Fout);
2220 if (ret != 0)
2221 return ret;
2222
2223 switch (source) {
2224 case WM8996_FLL_MCLK1:
2225 reg = 0;
2226 break;
2227 case WM8996_FLL_MCLK2:
2228 reg = 1;
2229 break;
2230 case WM8996_FLL_DACLRCLK1:
2231 reg = 2;
2232 break;
2233 case WM8996_FLL_BCLK1:
2234 reg = 3;
2235 break;
2236 default:
2237 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2238 return -EINVAL;
2239 }
2240
2241 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2242 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2243
2244 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2245 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2246 WM8996_FLL_REFCLK_SRC_MASK, reg);
2247
2248 reg = 0;
2249 if (fll_div.theta || fll_div.lambda)
2250 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2251 else
2252 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2253 snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2254
2255 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2256 WM8996_FLL_OUTDIV_MASK |
2257 WM8996_FLL_FRATIO_MASK,
2258 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2259 (fll_div.fll_fratio));
2260
2261 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2262
2263 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2264 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2265 (fll_div.n << WM8996_FLL_N_SHIFT) |
2266 fll_div.fll_loop_gain);
2267
2268 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2269
2270 /* Enable the bandgap if it's not already enabled */
2271 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2272 if (!(ret & WM8996_FLL_ENA))
2273 wm8996_bg_enable(codec);
2274
2275 /* Clear any pending completions (eg, from failed startups) */
2276 try_wait_for_completion(&wm8996->fll_lock);
2277
2278 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2279 WM8996_FLL_ENA, WM8996_FLL_ENA);
2280
2281 /* The FLL supports live reconfiguration - kick that in case we were
2282 * already enabled.
2283 */
2284 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2285
2286 /* Wait for the FLL to lock, using the interrupt if possible */
2287 if (Fref > 1000000)
2288 timeout = usecs_to_jiffies(300);
2289 else
2290 timeout = msecs_to_jiffies(2);
2291
2292 /* Allow substantially longer if we've actually got the IRQ, poll
2293 * at a slightly higher rate if we don't.
2294 */
2295 if (i2c->irq)
2296 timeout *= 10;
2297 else
2298 timeout /= 2;
2299
2300 for (retry = 0; retry < 10; retry++) {
2301 ret = wait_for_completion_timeout(&wm8996->fll_lock,
2302 timeout);
2303 if (ret != 0) {
2304 WARN_ON(!i2c->irq);
2305 break;
2306 }
2307
2308 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2309 if (ret & WM8996_FLL_LOCK_STS)
2310 break;
2311 }
2312 if (retry == 10) {
2313 dev_err(codec->dev, "Timed out waiting for FLL\n");
2314 ret = -ETIMEDOUT;
2315 }
2316
2317 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2318
2319 wm8996->fll_fref = Fref;
2320 wm8996->fll_fout = Fout;
2321 wm8996->fll_src = source;
2322
2323 return ret;
2324 }
2325
2326 #ifdef CONFIG_GPIOLIB
gpio_to_wm8996(struct gpio_chip * chip)2327 static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
2328 {
2329 return container_of(chip, struct wm8996_priv, gpio_chip);
2330 }
2331
wm8996_gpio_set(struct gpio_chip * chip,unsigned offset,int value)2332 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2333 {
2334 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2335
2336 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2337 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2338 }
2339
wm8996_gpio_direction_out(struct gpio_chip * chip,unsigned offset,int value)2340 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2341 unsigned offset, int value)
2342 {
2343 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2344 int val;
2345
2346 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2347
2348 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2349 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2350 WM8996_GP1_LVL, val);
2351 }
2352
wm8996_gpio_get(struct gpio_chip * chip,unsigned offset)2353 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2354 {
2355 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2356 unsigned int reg;
2357 int ret;
2358
2359 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, ®);
2360 if (ret < 0)
2361 return ret;
2362
2363 return (reg & WM8996_GP1_LVL) != 0;
2364 }
2365
wm8996_gpio_direction_in(struct gpio_chip * chip,unsigned offset)2366 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2367 {
2368 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2369
2370 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2371 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2372 (1 << WM8996_GP1_FN_SHIFT) |
2373 (1 << WM8996_GP1_DIR_SHIFT));
2374 }
2375
2376 static struct gpio_chip wm8996_template_chip = {
2377 .label = "wm8996",
2378 .owner = THIS_MODULE,
2379 .direction_output = wm8996_gpio_direction_out,
2380 .set = wm8996_gpio_set,
2381 .direction_input = wm8996_gpio_direction_in,
2382 .get = wm8996_gpio_get,
2383 .can_sleep = 1,
2384 };
2385
wm8996_init_gpio(struct wm8996_priv * wm8996)2386 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2387 {
2388 int ret;
2389
2390 wm8996->gpio_chip = wm8996_template_chip;
2391 wm8996->gpio_chip.ngpio = 5;
2392 wm8996->gpio_chip.dev = wm8996->dev;
2393
2394 if (wm8996->pdata.gpio_base)
2395 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2396 else
2397 wm8996->gpio_chip.base = -1;
2398
2399 ret = gpiochip_add(&wm8996->gpio_chip);
2400 if (ret != 0)
2401 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2402 }
2403
wm8996_free_gpio(struct wm8996_priv * wm8996)2404 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2405 {
2406 int ret;
2407
2408 ret = gpiochip_remove(&wm8996->gpio_chip);
2409 if (ret != 0)
2410 dev_err(wm8996->dev, "Failed to remove GPIOs: %d\n", ret);
2411 }
2412 #else
wm8996_init_gpio(struct wm8996_priv * wm8996)2413 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2414 {
2415 }
2416
wm8996_free_gpio(struct wm8996_priv * wm8996)2417 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2418 {
2419 }
2420 #endif
2421
2422 /**
2423 * wm8996_detect - Enable default WM8996 jack detection
2424 *
2425 * The WM8996 has advanced accessory detection support for headsets.
2426 * This function provides a default implementation which integrates
2427 * the majority of this functionality with minimal user configuration.
2428 *
2429 * This will detect headset, headphone and short circuit button and
2430 * will also detect inverted microphone ground connections and update
2431 * the polarity of the connections.
2432 */
wm8996_detect(struct snd_soc_codec * codec,struct snd_soc_jack * jack,wm8996_polarity_fn polarity_cb)2433 int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2434 wm8996_polarity_fn polarity_cb)
2435 {
2436 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2437
2438 wm8996->jack = jack;
2439 wm8996->detecting = true;
2440 wm8996->polarity_cb = polarity_cb;
2441
2442 if (wm8996->polarity_cb)
2443 wm8996->polarity_cb(codec, 0);
2444
2445 /* Clear discarge to avoid noise during detection */
2446 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2447 WM8996_MICB1_DISCH, 0);
2448 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2449 WM8996_MICB2_DISCH, 0);
2450
2451 /* LDO2 powers the microphones, SYSCLK clocks detection */
2452 snd_soc_dapm_force_enable_pin(&codec->dapm, "LDO2");
2453 snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK");
2454
2455 /* We start off just enabling microphone detection - even a
2456 * plain headphone will trigger detection.
2457 */
2458 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2459 WM8996_MICD_ENA, WM8996_MICD_ENA);
2460
2461 /* Slowest detection rate, gives debounce for initial detection */
2462 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2463 WM8996_MICD_RATE_MASK,
2464 WM8996_MICD_RATE_MASK);
2465
2466 /* Enable interrupts and we're off */
2467 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2468 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2469
2470 return 0;
2471 }
2472 EXPORT_SYMBOL_GPL(wm8996_detect);
2473
wm8996_hpdet_irq(struct snd_soc_codec * codec)2474 static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2475 {
2476 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2477 int val, reg, report;
2478
2479 /* Assume headphone in error conditions; we need to report
2480 * something or we stall our state machine.
2481 */
2482 report = SND_JACK_HEADPHONE;
2483
2484 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2485 if (reg < 0) {
2486 dev_err(codec->dev, "Failed to read HPDET status\n");
2487 goto out;
2488 }
2489
2490 if (!(reg & WM8996_HP_DONE)) {
2491 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2492 goto out;
2493 }
2494
2495 val = reg & WM8996_HP_LVL_MASK;
2496
2497 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2498
2499 /* If we've got high enough impedence then report as line,
2500 * otherwise assume headphone.
2501 */
2502 if (val >= 126)
2503 report = SND_JACK_LINEOUT;
2504 else
2505 report = SND_JACK_HEADPHONE;
2506
2507 out:
2508 if (wm8996->jack_mic)
2509 report |= SND_JACK_MICROPHONE;
2510
2511 snd_soc_jack_report(wm8996->jack, report,
2512 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2513
2514 wm8996->detecting = false;
2515
2516 /* If the output isn't running re-clamp it */
2517 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2518 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2519 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2520 WM8996_HPOUT1L_RMV_SHORT |
2521 WM8996_HPOUT1R_RMV_SHORT, 0);
2522
2523 /* Go back to looking at the microphone */
2524 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2525 WM8996_JD_MODE_MASK, 0);
2526 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2527 WM8996_MICD_ENA);
2528
2529 snd_soc_dapm_disable_pin(&codec->dapm, "Bandgap");
2530 snd_soc_dapm_sync(&codec->dapm);
2531 }
2532
wm8996_hpdet_start(struct snd_soc_codec * codec)2533 static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2534 {
2535 /* Unclamp the output, we can't measure while we're shorting it */
2536 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2537 WM8996_HPOUT1L_RMV_SHORT |
2538 WM8996_HPOUT1R_RMV_SHORT,
2539 WM8996_HPOUT1L_RMV_SHORT |
2540 WM8996_HPOUT1R_RMV_SHORT);
2541
2542 /* We need bandgap for HPDET */
2543 snd_soc_dapm_force_enable_pin(&codec->dapm, "Bandgap");
2544 snd_soc_dapm_sync(&codec->dapm);
2545
2546 /* Go into headphone detect left mode */
2547 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2548 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2549 WM8996_JD_MODE_MASK, 1);
2550
2551 /* Trigger a measurement */
2552 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2553 WM8996_HP_POLL, WM8996_HP_POLL);
2554 }
2555
wm8996_micd(struct snd_soc_codec * codec)2556 static void wm8996_micd(struct snd_soc_codec *codec)
2557 {
2558 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2559 int val, reg;
2560
2561 val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2562
2563 dev_dbg(codec->dev, "Microphone event: %x\n", val);
2564
2565 if (!(val & WM8996_MICD_VALID)) {
2566 dev_warn(codec->dev, "Microphone detection state invalid\n");
2567 return;
2568 }
2569
2570 /* No accessory, reset everything and report removal */
2571 if (!(val & WM8996_MICD_STS)) {
2572 dev_dbg(codec->dev, "Jack removal detected\n");
2573 wm8996->jack_mic = false;
2574 wm8996->detecting = true;
2575 snd_soc_jack_report(wm8996->jack, 0,
2576 SND_JACK_LINEOUT | SND_JACK_HEADSET |
2577 SND_JACK_BTN_0);
2578
2579 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2580 WM8996_MICD_RATE_MASK |
2581 WM8996_MICD_BIAS_STARTTIME_MASK,
2582 WM8996_MICD_RATE_MASK |
2583 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2584 return;
2585 }
2586
2587 /* If the measurement is very high we've got a microphone,
2588 * either we just detected one or if we already reported then
2589 * we've got a button release event.
2590 */
2591 if (val & 0x400) {
2592 if (wm8996->detecting) {
2593 dev_dbg(codec->dev, "Microphone detected\n");
2594 wm8996->jack_mic = true;
2595 wm8996_hpdet_start(codec);
2596
2597 /* Increase poll rate to give better responsiveness
2598 * for buttons */
2599 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2600 WM8996_MICD_RATE_MASK |
2601 WM8996_MICD_BIAS_STARTTIME_MASK,
2602 5 << WM8996_MICD_RATE_SHIFT |
2603 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2604 } else {
2605 dev_dbg(codec->dev, "Mic button up\n");
2606 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2607 }
2608
2609 return;
2610 }
2611
2612 /* If we detected a lower impedence during initial startup
2613 * then we probably have the wrong polarity, flip it. Don't
2614 * do this for the lowest impedences to speed up detection of
2615 * plain headphones.
2616 */
2617 if (wm8996->detecting && (val & 0x3f0)) {
2618 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2619 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2620 WM8996_MICD_BIAS_SRC;
2621 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2622 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2623 WM8996_MICD_BIAS_SRC, reg);
2624
2625 if (wm8996->polarity_cb)
2626 wm8996->polarity_cb(codec,
2627 (reg & WM8996_MICD_SRC) != 0);
2628
2629 dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2630 (reg & WM8996_MICD_SRC) != 0);
2631
2632 return;
2633 }
2634
2635 /* Don't distinguish between buttons, just report any low
2636 * impedence as BTN_0.
2637 */
2638 if (val & 0x3fc) {
2639 if (wm8996->jack_mic) {
2640 dev_dbg(codec->dev, "Mic button detected\n");
2641 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2642 SND_JACK_BTN_0);
2643 } else if (wm8996->detecting) {
2644 dev_dbg(codec->dev, "Headphone detected\n");
2645 wm8996_hpdet_start(codec);
2646
2647 /* Increase the detection rate a bit for
2648 * responsiveness.
2649 */
2650 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2651 WM8996_MICD_RATE_MASK |
2652 WM8996_MICD_BIAS_STARTTIME_MASK,
2653 7 << WM8996_MICD_RATE_SHIFT |
2654 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2655 }
2656 }
2657 }
2658
wm8996_irq(int irq,void * data)2659 static irqreturn_t wm8996_irq(int irq, void *data)
2660 {
2661 struct snd_soc_codec *codec = data;
2662 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2663 int irq_val;
2664
2665 irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2666 if (irq_val < 0) {
2667 dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2668 irq_val);
2669 return IRQ_NONE;
2670 }
2671 irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2672
2673 if (!irq_val)
2674 return IRQ_NONE;
2675
2676 snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2677
2678 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2679 dev_dbg(codec->dev, "DC servo IRQ\n");
2680 complete(&wm8996->dcs_done);
2681 }
2682
2683 if (irq_val & WM8996_FIFOS_ERR_EINT)
2684 dev_err(codec->dev, "Digital core FIFO error\n");
2685
2686 if (irq_val & WM8996_FLL_LOCK_EINT) {
2687 dev_dbg(codec->dev, "FLL locked\n");
2688 complete(&wm8996->fll_lock);
2689 }
2690
2691 if (irq_val & WM8996_MICD_EINT)
2692 wm8996_micd(codec);
2693
2694 if (irq_val & WM8996_HP_DONE_EINT)
2695 wm8996_hpdet_irq(codec);
2696
2697 return IRQ_HANDLED;
2698 }
2699
wm8996_edge_irq(int irq,void * data)2700 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2701 {
2702 irqreturn_t ret = IRQ_NONE;
2703 irqreturn_t val;
2704
2705 do {
2706 val = wm8996_irq(irq, data);
2707 if (val != IRQ_NONE)
2708 ret = val;
2709 } while (val != IRQ_NONE);
2710
2711 return ret;
2712 }
2713
wm8996_retune_mobile_pdata(struct snd_soc_codec * codec)2714 static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2715 {
2716 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2717 struct wm8996_pdata *pdata = &wm8996->pdata;
2718
2719 struct snd_kcontrol_new controls[] = {
2720 SOC_ENUM_EXT("DSP1 EQ Mode",
2721 wm8996->retune_mobile_enum,
2722 wm8996_get_retune_mobile_enum,
2723 wm8996_put_retune_mobile_enum),
2724 SOC_ENUM_EXT("DSP2 EQ Mode",
2725 wm8996->retune_mobile_enum,
2726 wm8996_get_retune_mobile_enum,
2727 wm8996_put_retune_mobile_enum),
2728 };
2729 int ret, i, j;
2730 const char **t;
2731
2732 /* We need an array of texts for the enum API but the number
2733 * of texts is likely to be less than the number of
2734 * configurations due to the sample rate dependency of the
2735 * configurations. */
2736 wm8996->num_retune_mobile_texts = 0;
2737 wm8996->retune_mobile_texts = NULL;
2738 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2739 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2740 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2741 wm8996->retune_mobile_texts[j]) == 0)
2742 break;
2743 }
2744
2745 if (j != wm8996->num_retune_mobile_texts)
2746 continue;
2747
2748 /* Expand the array... */
2749 t = krealloc(wm8996->retune_mobile_texts,
2750 sizeof(char *) *
2751 (wm8996->num_retune_mobile_texts + 1),
2752 GFP_KERNEL);
2753 if (t == NULL)
2754 continue;
2755
2756 /* ...store the new entry... */
2757 t[wm8996->num_retune_mobile_texts] =
2758 pdata->retune_mobile_cfgs[i].name;
2759
2760 /* ...and remember the new version. */
2761 wm8996->num_retune_mobile_texts++;
2762 wm8996->retune_mobile_texts = t;
2763 }
2764
2765 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2766 wm8996->num_retune_mobile_texts);
2767
2768 wm8996->retune_mobile_enum.max = wm8996->num_retune_mobile_texts;
2769 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2770
2771 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
2772 if (ret != 0)
2773 dev_err(codec->dev,
2774 "Failed to add ReTune Mobile controls: %d\n", ret);
2775 }
2776
2777 static const struct regmap_config wm8996_regmap = {
2778 .reg_bits = 16,
2779 .val_bits = 16,
2780
2781 .max_register = WM8996_MAX_REGISTER,
2782 .reg_defaults = wm8996_reg,
2783 .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2784 .volatile_reg = wm8996_volatile_register,
2785 .readable_reg = wm8996_readable_register,
2786 .cache_type = REGCACHE_RBTREE,
2787 };
2788
wm8996_probe(struct snd_soc_codec * codec)2789 static int wm8996_probe(struct snd_soc_codec *codec)
2790 {
2791 int ret;
2792 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2793 struct i2c_client *i2c = to_i2c_client(codec->dev);
2794 struct snd_soc_dapm_context *dapm = &codec->dapm;
2795 int i, irq_flags;
2796
2797 wm8996->codec = codec;
2798
2799 init_completion(&wm8996->dcs_done);
2800 init_completion(&wm8996->fll_lock);
2801
2802 dapm->idle_bias_off = true;
2803
2804 codec->control_data = wm8996->regmap;
2805
2806 ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
2807 if (ret != 0) {
2808 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2809 goto err;
2810 }
2811
2812 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2813 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2814 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2815
2816 /* This should really be moved into the regulator core */
2817 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2818 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2819 &wm8996->disable_nb[i]);
2820 if (ret != 0) {
2821 dev_err(codec->dev,
2822 "Failed to register regulator notifier: %d\n",
2823 ret);
2824 }
2825 }
2826
2827 regcache_cache_only(codec->control_data, true);
2828
2829 /* Apply platform data settings */
2830 snd_soc_update_bits(codec, WM8996_LINE_INPUT_CONTROL,
2831 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2832 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2833 wm8996->pdata.inr_mode);
2834
2835 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2836 if (!wm8996->pdata.gpio_default[i])
2837 continue;
2838
2839 snd_soc_write(codec, WM8996_GPIO_1 + i,
2840 wm8996->pdata.gpio_default[i] & 0xffff);
2841 }
2842
2843 if (wm8996->pdata.spkmute_seq)
2844 snd_soc_update_bits(codec, WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2845 WM8996_SPK_MUTE_ENDIAN |
2846 WM8996_SPK_MUTE_SEQ1_MASK,
2847 wm8996->pdata.spkmute_seq);
2848
2849 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2850 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2851 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2852
2853 /* Latch volume update bits */
2854 snd_soc_update_bits(codec, WM8996_LEFT_LINE_INPUT_VOLUME,
2855 WM8996_IN1_VU, WM8996_IN1_VU);
2856 snd_soc_update_bits(codec, WM8996_RIGHT_LINE_INPUT_VOLUME,
2857 WM8996_IN1_VU, WM8996_IN1_VU);
2858
2859 snd_soc_update_bits(codec, WM8996_DAC1_LEFT_VOLUME,
2860 WM8996_DAC1_VU, WM8996_DAC1_VU);
2861 snd_soc_update_bits(codec, WM8996_DAC1_RIGHT_VOLUME,
2862 WM8996_DAC1_VU, WM8996_DAC1_VU);
2863 snd_soc_update_bits(codec, WM8996_DAC2_LEFT_VOLUME,
2864 WM8996_DAC2_VU, WM8996_DAC2_VU);
2865 snd_soc_update_bits(codec, WM8996_DAC2_RIGHT_VOLUME,
2866 WM8996_DAC2_VU, WM8996_DAC2_VU);
2867
2868 snd_soc_update_bits(codec, WM8996_OUTPUT1_LEFT_VOLUME,
2869 WM8996_DAC1_VU, WM8996_DAC1_VU);
2870 snd_soc_update_bits(codec, WM8996_OUTPUT1_RIGHT_VOLUME,
2871 WM8996_DAC1_VU, WM8996_DAC1_VU);
2872 snd_soc_update_bits(codec, WM8996_OUTPUT2_LEFT_VOLUME,
2873 WM8996_DAC2_VU, WM8996_DAC2_VU);
2874 snd_soc_update_bits(codec, WM8996_OUTPUT2_RIGHT_VOLUME,
2875 WM8996_DAC2_VU, WM8996_DAC2_VU);
2876
2877 snd_soc_update_bits(codec, WM8996_DSP1_TX_LEFT_VOLUME,
2878 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2879 snd_soc_update_bits(codec, WM8996_DSP1_TX_RIGHT_VOLUME,
2880 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2881 snd_soc_update_bits(codec, WM8996_DSP2_TX_LEFT_VOLUME,
2882 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2883 snd_soc_update_bits(codec, WM8996_DSP2_TX_RIGHT_VOLUME,
2884 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2885
2886 snd_soc_update_bits(codec, WM8996_DSP1_RX_LEFT_VOLUME,
2887 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2888 snd_soc_update_bits(codec, WM8996_DSP1_RX_RIGHT_VOLUME,
2889 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2890 snd_soc_update_bits(codec, WM8996_DSP2_RX_LEFT_VOLUME,
2891 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2892 snd_soc_update_bits(codec, WM8996_DSP2_RX_RIGHT_VOLUME,
2893 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2894
2895 /* No support currently for the underclocked TDM modes and
2896 * pick a default TDM layout with each channel pair working with
2897 * slots 0 and 1. */
2898 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2899 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2900 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2901 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2902 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2903 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2904 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2905 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2906 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2907 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2908 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2909 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2910 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2911 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2912 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2913 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2914 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2915 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2916 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2917 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2918 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2919 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2920 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2921 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2922
2923 snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2924 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2925 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2926 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2927 snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2928 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2929 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2930 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2931
2932 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2933 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2934 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2935 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2936 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2937 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2938 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2939 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2940 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2941 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2942 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2943 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2944 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2945 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2946 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2947 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
2948 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
2949 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
2950 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2951 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
2952 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
2953 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
2954 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2955 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
2956
2957 snd_soc_update_bits(codec, WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
2958 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
2959 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
2960 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
2961 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2962 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
2963 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
2964 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2965
2966 if (wm8996->pdata.num_retune_mobile_cfgs)
2967 wm8996_retune_mobile_pdata(codec);
2968 else
2969 snd_soc_add_controls(codec, wm8996_eq_controls,
2970 ARRAY_SIZE(wm8996_eq_controls));
2971
2972 /* If the TX LRCLK pins are not in LRCLK mode configure the
2973 * AIFs to source their clocks from the RX LRCLKs.
2974 */
2975 if ((snd_soc_read(codec, WM8996_GPIO_1)))
2976 snd_soc_update_bits(codec, WM8996_AIF1_TX_LRCLK_2,
2977 WM8996_AIF1TX_LRCLK_MODE,
2978 WM8996_AIF1TX_LRCLK_MODE);
2979
2980 if ((snd_soc_read(codec, WM8996_GPIO_2)))
2981 snd_soc_update_bits(codec, WM8996_AIF2_TX_LRCLK_2,
2982 WM8996_AIF2TX_LRCLK_MODE,
2983 WM8996_AIF2TX_LRCLK_MODE);
2984
2985 if (i2c->irq) {
2986 if (wm8996->pdata.irq_flags)
2987 irq_flags = wm8996->pdata.irq_flags;
2988 else
2989 irq_flags = IRQF_TRIGGER_LOW;
2990
2991 irq_flags |= IRQF_ONESHOT;
2992
2993 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2994 ret = request_threaded_irq(i2c->irq, NULL,
2995 wm8996_edge_irq,
2996 irq_flags, "wm8996", codec);
2997 else
2998 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2999 irq_flags, "wm8996", codec);
3000
3001 if (ret == 0) {
3002 /* Unmask the interrupt */
3003 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
3004 WM8996_IM_IRQ, 0);
3005
3006 /* Enable error reporting and DC servo status */
3007 snd_soc_update_bits(codec,
3008 WM8996_INTERRUPT_STATUS_2_MASK,
3009 WM8996_IM_DCS_DONE_23_EINT |
3010 WM8996_IM_DCS_DONE_01_EINT |
3011 WM8996_IM_FLL_LOCK_EINT |
3012 WM8996_IM_FIFOS_ERR_EINT,
3013 0);
3014 } else {
3015 dev_err(codec->dev, "Failed to request IRQ: %d\n",
3016 ret);
3017 }
3018 }
3019
3020 return 0;
3021
3022 err:
3023 return ret;
3024 }
3025
wm8996_remove(struct snd_soc_codec * codec)3026 static int wm8996_remove(struct snd_soc_codec *codec)
3027 {
3028 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
3029 struct i2c_client *i2c = to_i2c_client(codec->dev);
3030 int i;
3031
3032 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
3033 WM8996_IM_IRQ, WM8996_IM_IRQ);
3034
3035 if (i2c->irq)
3036 free_irq(i2c->irq, codec);
3037
3038 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3039 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3040 &wm8996->disable_nb[i]);
3041 regulator_put(wm8996->cpvdd);
3042 regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3043
3044 return 0;
3045 }
3046
wm8996_soc_volatile_register(struct snd_soc_codec * codec,unsigned int reg)3047 static int wm8996_soc_volatile_register(struct snd_soc_codec *codec,
3048 unsigned int reg)
3049 {
3050 return true;
3051 }
3052
3053 static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
3054 .probe = wm8996_probe,
3055 .remove = wm8996_remove,
3056 .set_bias_level = wm8996_set_bias_level,
3057 .seq_notifier = wm8996_seq_notifier,
3058 .controls = wm8996_snd_controls,
3059 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
3060 .dapm_widgets = wm8996_dapm_widgets,
3061 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
3062 .dapm_routes = wm8996_dapm_routes,
3063 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
3064 .set_pll = wm8996_set_fll,
3065 .reg_cache_size = WM8996_MAX_REGISTER,
3066 .volatile_register = wm8996_soc_volatile_register,
3067 };
3068
3069 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
3070 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
3071 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
3072 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
3073 SNDRV_PCM_FMTBIT_S32_LE)
3074
3075 static const struct snd_soc_dai_ops wm8996_dai_ops = {
3076 .set_fmt = wm8996_set_fmt,
3077 .hw_params = wm8996_hw_params,
3078 .set_sysclk = wm8996_set_sysclk,
3079 };
3080
3081 static struct snd_soc_dai_driver wm8996_dai[] = {
3082 {
3083 .name = "wm8996-aif1",
3084 .playback = {
3085 .stream_name = "AIF1 Playback",
3086 .channels_min = 1,
3087 .channels_max = 6,
3088 .rates = WM8996_RATES,
3089 .formats = WM8996_FORMATS,
3090 },
3091 .capture = {
3092 .stream_name = "AIF1 Capture",
3093 .channels_min = 1,
3094 .channels_max = 6,
3095 .rates = WM8996_RATES,
3096 .formats = WM8996_FORMATS,
3097 },
3098 .ops = &wm8996_dai_ops,
3099 },
3100 {
3101 .name = "wm8996-aif2",
3102 .playback = {
3103 .stream_name = "AIF2 Playback",
3104 .channels_min = 1,
3105 .channels_max = 2,
3106 .rates = WM8996_RATES,
3107 .formats = WM8996_FORMATS,
3108 },
3109 .capture = {
3110 .stream_name = "AIF2 Capture",
3111 .channels_min = 1,
3112 .channels_max = 2,
3113 .rates = WM8996_RATES,
3114 .formats = WM8996_FORMATS,
3115 },
3116 .ops = &wm8996_dai_ops,
3117 },
3118 };
3119
wm8996_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)3120 static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
3121 const struct i2c_device_id *id)
3122 {
3123 struct wm8996_priv *wm8996;
3124 int ret, i;
3125 unsigned int reg;
3126
3127 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
3128 GFP_KERNEL);
3129 if (wm8996 == NULL)
3130 return -ENOMEM;
3131
3132 i2c_set_clientdata(i2c, wm8996);
3133 wm8996->dev = &i2c->dev;
3134
3135 if (dev_get_platdata(&i2c->dev))
3136 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
3137 sizeof(wm8996->pdata));
3138
3139 if (wm8996->pdata.ldo_ena > 0) {
3140 ret = gpio_request_one(wm8996->pdata.ldo_ena,
3141 GPIOF_OUT_INIT_LOW, "WM8996 ENA");
3142 if (ret < 0) {
3143 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
3144 wm8996->pdata.ldo_ena, ret);
3145 goto err;
3146 }
3147 }
3148
3149 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3150 wm8996->supplies[i].supply = wm8996_supply_names[i];
3151
3152 ret = regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
3153 wm8996->supplies);
3154 if (ret != 0) {
3155 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
3156 goto err_gpio;
3157 }
3158
3159 wm8996->cpvdd = regulator_get(&i2c->dev, "CPVDD");
3160 if (IS_ERR(wm8996->cpvdd)) {
3161 ret = PTR_ERR(wm8996->cpvdd);
3162 dev_err(&i2c->dev, "Failed to get CPVDD: %d\n", ret);
3163 goto err_get;
3164 }
3165
3166 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
3167 wm8996->supplies);
3168 if (ret != 0) {
3169 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
3170 goto err_cpvdd;
3171 }
3172
3173 if (wm8996->pdata.ldo_ena > 0) {
3174 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
3175 msleep(5);
3176 }
3177
3178 wm8996->regmap = regmap_init_i2c(i2c, &wm8996_regmap);
3179 if (IS_ERR(wm8996->regmap)) {
3180 ret = PTR_ERR(wm8996->regmap);
3181 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
3182 goto err_enable;
3183 }
3184
3185 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, ®);
3186 if (ret < 0) {
3187 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
3188 goto err_regmap;
3189 }
3190 if (reg != 0x8915) {
3191 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", ret);
3192 ret = -EINVAL;
3193 goto err_regmap;
3194 }
3195
3196 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, ®);
3197 if (ret < 0) {
3198 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
3199 ret);
3200 goto err_regmap;
3201 }
3202
3203 dev_info(&i2c->dev, "revision %c\n",
3204 (reg & WM8996_CHIP_REV_MASK) + 'A');
3205
3206 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3207
3208 ret = wm8996_reset(wm8996);
3209 if (ret < 0) {
3210 dev_err(&i2c->dev, "Failed to issue reset\n");
3211 goto err_regmap;
3212 }
3213
3214 wm8996_init_gpio(wm8996);
3215
3216 ret = snd_soc_register_codec(&i2c->dev,
3217 &soc_codec_dev_wm8996, wm8996_dai,
3218 ARRAY_SIZE(wm8996_dai));
3219 if (ret < 0)
3220 goto err_gpiolib;
3221
3222 return ret;
3223
3224 err_gpiolib:
3225 wm8996_free_gpio(wm8996);
3226 err_regmap:
3227 regmap_exit(wm8996->regmap);
3228 err_enable:
3229 if (wm8996->pdata.ldo_ena > 0)
3230 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3231 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3232 err_cpvdd:
3233 regulator_put(wm8996->cpvdd);
3234 err_get:
3235 regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3236 err_gpio:
3237 if (wm8996->pdata.ldo_ena > 0)
3238 gpio_free(wm8996->pdata.ldo_ena);
3239 err:
3240
3241 return ret;
3242 }
3243
wm8996_i2c_remove(struct i2c_client * client)3244 static __devexit int wm8996_i2c_remove(struct i2c_client *client)
3245 {
3246 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3247
3248 snd_soc_unregister_codec(&client->dev);
3249 wm8996_free_gpio(wm8996);
3250 regulator_put(wm8996->cpvdd);
3251 regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3252 regmap_exit(wm8996->regmap);
3253 if (wm8996->pdata.ldo_ena > 0) {
3254 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3255 gpio_free(wm8996->pdata.ldo_ena);
3256 }
3257 return 0;
3258 }
3259
3260 static const struct i2c_device_id wm8996_i2c_id[] = {
3261 { "wm8996", 0 },
3262 { }
3263 };
3264 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3265
3266 static struct i2c_driver wm8996_i2c_driver = {
3267 .driver = {
3268 .name = "wm8996",
3269 .owner = THIS_MODULE,
3270 },
3271 .probe = wm8996_i2c_probe,
3272 .remove = __devexit_p(wm8996_i2c_remove),
3273 .id_table = wm8996_i2c_id,
3274 };
3275
wm8996_modinit(void)3276 static int __init wm8996_modinit(void)
3277 {
3278 int ret;
3279
3280 ret = i2c_add_driver(&wm8996_i2c_driver);
3281 if (ret != 0) {
3282 printk(KERN_ERR "Failed to register WM8996 I2C driver: %d\n",
3283 ret);
3284 }
3285
3286 return ret;
3287 }
3288 module_init(wm8996_modinit);
3289
wm8996_exit(void)3290 static void __exit wm8996_exit(void)
3291 {
3292 i2c_del_driver(&wm8996_i2c_driver);
3293 }
3294 module_exit(wm8996_exit);
3295
3296 MODULE_DESCRIPTION("ASoC WM8996 driver");
3297 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3298 MODULE_LICENSE("GPL");
3299