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ASoC: Refcount WM8996 bandgap from FLL too
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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/regulator/consumer.h>
23 #include <linux/slab.h>
24 #include <linux/workqueue.h>
25 #include <sound/core.h>
26 #include <sound/jack.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/initval.h>
31 #include <sound/tlv.h>
32 #include <trace/events/asoc.h>
33
34 #include <sound/wm8996.h>
35 #include "wm8996.h"
36
37 #define WM8996_AIFS 2
38
39 #define HPOUT1L 1
40 #define HPOUT1R 2
41 #define HPOUT2L 4
42 #define HPOUT2R 8
43
44 #define WM8996_NUM_SUPPLIES 3
45 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
46 "DBVDD",
47 "AVDD1",
48 "AVDD2",
49 };
50
51 struct wm8996_priv {
52 struct snd_soc_codec *codec;
53
54 int ldo1ena;
55
56 int sysclk;
57 int sysclk_src;
58
59 int fll_src;
60 int fll_fref;
61 int fll_fout;
62
63 struct completion fll_lock;
64
65 u16 dcs_pending;
66 struct completion dcs_done;
67
68 u16 hpout_ena;
69 u16 hpout_pending;
70
71 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
72 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
73 struct regulator *cpvdd;
74 int bg_ena;
75
76 struct wm8996_pdata pdata;
77
78 int rx_rate[WM8996_AIFS];
79 int bclk_rate[WM8996_AIFS];
80
81 /* Platform dependant ReTune mobile configuration */
82 int num_retune_mobile_texts;
83 const char **retune_mobile_texts;
84 int retune_mobile_cfg[2];
85 struct soc_enum retune_mobile_enum;
86
87 struct snd_soc_jack *jack;
88 bool detecting;
89 bool jack_mic;
90 wm8996_polarity_fn polarity_cb;
91
92 #ifdef CONFIG_GPIOLIB
93 struct gpio_chip gpio_chip;
94 #endif
95 };
96
97 /* We can't use the same notifier block for more than one supply and
98 * there's no way I can see to get from a callback to the caller
99 * except container_of().
100 */
101 #define WM8996_REGULATOR_EVENT(n) \
102 static int wm8996_regulator_event_##n(struct notifier_block *nb, \
103 unsigned long event, void *data) \
104 { \
105 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
106 disable_nb[n]); \
107 if (event & REGULATOR_EVENT_DISABLE) { \
108 wm8996->codec->cache_sync = 1; \
109 } \
110 return 0; \
111 }
112
113 WM8996_REGULATOR_EVENT(0)
114 WM8996_REGULATOR_EVENT(1)
115 WM8996_REGULATOR_EVENT(2)
116
117 static const u16 wm8996_reg[WM8996_MAX_REGISTER] = {
118 [WM8996_SOFTWARE_RESET] = 0x8996,
119 [WM8996_POWER_MANAGEMENT_7] = 0x10,
120 [WM8996_DAC1_HPOUT1_VOLUME] = 0x88,
121 [WM8996_DAC2_HPOUT2_VOLUME] = 0x88,
122 [WM8996_DAC1_LEFT_VOLUME] = 0x2c0,
123 [WM8996_DAC1_RIGHT_VOLUME] = 0x2c0,
124 [WM8996_DAC2_LEFT_VOLUME] = 0x2c0,
125 [WM8996_DAC2_RIGHT_VOLUME] = 0x2c0,
126 [WM8996_OUTPUT1_LEFT_VOLUME] = 0x80,
127 [WM8996_OUTPUT1_RIGHT_VOLUME] = 0x80,
128 [WM8996_OUTPUT2_LEFT_VOLUME] = 0x80,
129 [WM8996_OUTPUT2_RIGHT_VOLUME] = 0x80,
130 [WM8996_MICBIAS_1] = 0x39,
131 [WM8996_MICBIAS_2] = 0x39,
132 [WM8996_LDO_1] = 0x3,
133 [WM8996_LDO_2] = 0x13,
134 [WM8996_ACCESSORY_DETECT_MODE_1] = 0x4,
135 [WM8996_HEADPHONE_DETECT_1] = 0x20,
136 [WM8996_MIC_DETECT_1] = 0x7600,
137 [WM8996_MIC_DETECT_2] = 0xbf,
138 [WM8996_CHARGE_PUMP_1] = 0x1f25,
139 [WM8996_CHARGE_PUMP_2] = 0xab19,
140 [WM8996_DC_SERVO_5] = 0x2a2a,
141 [WM8996_CONTROL_INTERFACE_1] = 0x8004,
142 [WM8996_CLOCKING_1] = 0x10,
143 [WM8996_AIF_RATE] = 0x83,
144 [WM8996_FLL_CONTROL_4] = 0x5dc0,
145 [WM8996_FLL_CONTROL_5] = 0xc84,
146 [WM8996_FLL_EFS_2] = 0x2,
147 [WM8996_AIF1_TX_LRCLK_1] = 0x80,
148 [WM8996_AIF1_TX_LRCLK_2] = 0x8,
149 [WM8996_AIF1_RX_LRCLK_1] = 0x80,
150 [WM8996_AIF1TX_DATA_CONFIGURATION_1] = 0x1818,
151 [WM8996_AIF1RX_DATA_CONFIGURATION] = 0x1818,
152 [WM8996_AIF1TX_TEST] = 0x7,
153 [WM8996_AIF2_TX_LRCLK_1] = 0x80,
154 [WM8996_AIF2_TX_LRCLK_2] = 0x8,
155 [WM8996_AIF2_RX_LRCLK_1] = 0x80,
156 [WM8996_AIF2TX_DATA_CONFIGURATION_1] = 0x1818,
157 [WM8996_AIF2RX_DATA_CONFIGURATION] = 0x1818,
158 [WM8996_AIF2TX_TEST] = 0x1,
159 [WM8996_DSP1_TX_LEFT_VOLUME] = 0xc0,
160 [WM8996_DSP1_TX_RIGHT_VOLUME] = 0xc0,
161 [WM8996_DSP1_RX_LEFT_VOLUME] = 0xc0,
162 [WM8996_DSP1_RX_RIGHT_VOLUME] = 0xc0,
163 [WM8996_DSP1_TX_FILTERS] = 0x2000,
164 [WM8996_DSP1_RX_FILTERS_1] = 0x200,
165 [WM8996_DSP1_RX_FILTERS_2] = 0x10,
166 [WM8996_DSP1_DRC_1] = 0x98,
167 [WM8996_DSP1_DRC_2] = 0x845,
168 [WM8996_DSP1_RX_EQ_GAINS_1] = 0x6318,
169 [WM8996_DSP1_RX_EQ_GAINS_2] = 0x6300,
170 [WM8996_DSP1_RX_EQ_BAND_1_A] = 0xfca,
171 [WM8996_DSP1_RX_EQ_BAND_1_B] = 0x400,
172 [WM8996_DSP1_RX_EQ_BAND_1_PG] = 0xd8,
173 [WM8996_DSP1_RX_EQ_BAND_2_A] = 0x1eb5,
174 [WM8996_DSP1_RX_EQ_BAND_2_B] = 0xf145,
175 [WM8996_DSP1_RX_EQ_BAND_2_C] = 0xb75,
176 [WM8996_DSP1_RX_EQ_BAND_2_PG] = 0x1c5,
177 [WM8996_DSP1_RX_EQ_BAND_3_A] = 0x1c58,
178 [WM8996_DSP1_RX_EQ_BAND_3_B] = 0xf373,
179 [WM8996_DSP1_RX_EQ_BAND_3_C] = 0xa54,
180 [WM8996_DSP1_RX_EQ_BAND_3_PG] = 0x558,
181 [WM8996_DSP1_RX_EQ_BAND_4_A] = 0x168e,
182 [WM8996_DSP1_RX_EQ_BAND_4_B] = 0xf829,
183 [WM8996_DSP1_RX_EQ_BAND_4_C] = 0x7ad,
184 [WM8996_DSP1_RX_EQ_BAND_4_PG] = 0x1103,
185 [WM8996_DSP1_RX_EQ_BAND_5_A] = 0x564,
186 [WM8996_DSP1_RX_EQ_BAND_5_B] = 0x559,
187 [WM8996_DSP1_RX_EQ_BAND_5_PG] = 0x4000,
188 [WM8996_DSP2_TX_LEFT_VOLUME] = 0xc0,
189 [WM8996_DSP2_TX_RIGHT_VOLUME] = 0xc0,
190 [WM8996_DSP2_RX_LEFT_VOLUME] = 0xc0,
191 [WM8996_DSP2_RX_RIGHT_VOLUME] = 0xc0,
192 [WM8996_DSP2_TX_FILTERS] = 0x2000,
193 [WM8996_DSP2_RX_FILTERS_1] = 0x200,
194 [WM8996_DSP2_RX_FILTERS_2] = 0x10,
195 [WM8996_DSP2_DRC_1] = 0x98,
196 [WM8996_DSP2_DRC_2] = 0x845,
197 [WM8996_DSP2_RX_EQ_GAINS_1] = 0x6318,
198 [WM8996_DSP2_RX_EQ_GAINS_2] = 0x6300,
199 [WM8996_DSP2_RX_EQ_BAND_1_A] = 0xfca,
200 [WM8996_DSP2_RX_EQ_BAND_1_B] = 0x400,
201 [WM8996_DSP2_RX_EQ_BAND_1_PG] = 0xd8,
202 [WM8996_DSP2_RX_EQ_BAND_2_A] = 0x1eb5,
203 [WM8996_DSP2_RX_EQ_BAND_2_B] = 0xf145,
204 [WM8996_DSP2_RX_EQ_BAND_2_C] = 0xb75,
205 [WM8996_DSP2_RX_EQ_BAND_2_PG] = 0x1c5,
206 [WM8996_DSP2_RX_EQ_BAND_3_A] = 0x1c58,
207 [WM8996_DSP2_RX_EQ_BAND_3_B] = 0xf373,
208 [WM8996_DSP2_RX_EQ_BAND_3_C] = 0xa54,
209 [WM8996_DSP2_RX_EQ_BAND_3_PG] = 0x558,
210 [WM8996_DSP2_RX_EQ_BAND_4_A] = 0x168e,
211 [WM8996_DSP2_RX_EQ_BAND_4_B] = 0xf829,
212 [WM8996_DSP2_RX_EQ_BAND_4_C] = 0x7ad,
213 [WM8996_DSP2_RX_EQ_BAND_4_PG] = 0x1103,
214 [WM8996_DSP2_RX_EQ_BAND_5_A] = 0x564,
215 [WM8996_DSP2_RX_EQ_BAND_5_B] = 0x559,
216 [WM8996_DSP2_RX_EQ_BAND_5_PG] = 0x4000,
217 [WM8996_OVERSAMPLING] = 0xd,
218 [WM8996_SIDETONE] = 0x1040,
219 [WM8996_GPIO_1] = 0xa101,
220 [WM8996_GPIO_2] = 0xa101,
221 [WM8996_GPIO_3] = 0xa101,
222 [WM8996_GPIO_4] = 0xa101,
223 [WM8996_GPIO_5] = 0xa101,
224 [WM8996_PULL_CONTROL_2] = 0x140,
225 [WM8996_INTERRUPT_STATUS_1_MASK] = 0x1f,
226 [WM8996_INTERRUPT_STATUS_2_MASK] = 0x1ecf,
227 [WM8996_RIGHT_PDM_SPEAKER] = 0x1,
228 [WM8996_PDM_SPEAKER_MUTE_SEQUENCE] = 0x69,
229 [WM8996_PDM_SPEAKER_VOLUME] = 0x66,
230 [WM8996_WRITE_SEQUENCER_0] = 0x1,
231 [WM8996_WRITE_SEQUENCER_1] = 0x1,
232 [WM8996_WRITE_SEQUENCER_3] = 0x6,
233 [WM8996_WRITE_SEQUENCER_4] = 0x40,
234 [WM8996_WRITE_SEQUENCER_5] = 0x1,
235 [WM8996_WRITE_SEQUENCER_6] = 0xf,
236 [WM8996_WRITE_SEQUENCER_7] = 0x6,
237 [WM8996_WRITE_SEQUENCER_8] = 0x1,
238 [WM8996_WRITE_SEQUENCER_9] = 0x3,
239 [WM8996_WRITE_SEQUENCER_10] = 0x104,
240 [WM8996_WRITE_SEQUENCER_12] = 0x60,
241 [WM8996_WRITE_SEQUENCER_13] = 0x11,
242 [WM8996_WRITE_SEQUENCER_14] = 0x401,
243 [WM8996_WRITE_SEQUENCER_16] = 0x50,
244 [WM8996_WRITE_SEQUENCER_17] = 0x3,
245 [WM8996_WRITE_SEQUENCER_18] = 0x100,
246 [WM8996_WRITE_SEQUENCER_20] = 0x51,
247 [WM8996_WRITE_SEQUENCER_21] = 0x3,
248 [WM8996_WRITE_SEQUENCER_22] = 0x104,
249 [WM8996_WRITE_SEQUENCER_23] = 0xa,
250 [WM8996_WRITE_SEQUENCER_24] = 0x60,
251 [WM8996_WRITE_SEQUENCER_25] = 0x3b,
252 [WM8996_WRITE_SEQUENCER_26] = 0x502,
253 [WM8996_WRITE_SEQUENCER_27] = 0x100,
254 [WM8996_WRITE_SEQUENCER_28] = 0x2fff,
255 [WM8996_WRITE_SEQUENCER_32] = 0x2fff,
256 [WM8996_WRITE_SEQUENCER_36] = 0x2fff,
257 [WM8996_WRITE_SEQUENCER_40] = 0x2fff,
258 [WM8996_WRITE_SEQUENCER_44] = 0x2fff,
259 [WM8996_WRITE_SEQUENCER_48] = 0x2fff,
260 [WM8996_WRITE_SEQUENCER_52] = 0x2fff,
261 [WM8996_WRITE_SEQUENCER_56] = 0x2fff,
262 [WM8996_WRITE_SEQUENCER_60] = 0x2fff,
263 [WM8996_WRITE_SEQUENCER_64] = 0x1,
264 [WM8996_WRITE_SEQUENCER_65] = 0x1,
265 [WM8996_WRITE_SEQUENCER_67] = 0x6,
266 [WM8996_WRITE_SEQUENCER_68] = 0x40,
267 [WM8996_WRITE_SEQUENCER_69] = 0x1,
268 [WM8996_WRITE_SEQUENCER_70] = 0xf,
269 [WM8996_WRITE_SEQUENCER_71] = 0x6,
270 [WM8996_WRITE_SEQUENCER_72] = 0x1,
271 [WM8996_WRITE_SEQUENCER_73] = 0x3,
272 [WM8996_WRITE_SEQUENCER_74] = 0x104,
273 [WM8996_WRITE_SEQUENCER_76] = 0x60,
274 [WM8996_WRITE_SEQUENCER_77] = 0x11,
275 [WM8996_WRITE_SEQUENCER_78] = 0x401,
276 [WM8996_WRITE_SEQUENCER_80] = 0x50,
277 [WM8996_WRITE_SEQUENCER_81] = 0x3,
278 [WM8996_WRITE_SEQUENCER_82] = 0x100,
279 [WM8996_WRITE_SEQUENCER_84] = 0x60,
280 [WM8996_WRITE_SEQUENCER_85] = 0x3b,
281 [WM8996_WRITE_SEQUENCER_86] = 0x502,
282 [WM8996_WRITE_SEQUENCER_87] = 0x100,
283 [WM8996_WRITE_SEQUENCER_88] = 0x2fff,
284 [WM8996_WRITE_SEQUENCER_92] = 0x2fff,
285 [WM8996_WRITE_SEQUENCER_96] = 0x2fff,
286 [WM8996_WRITE_SEQUENCER_100] = 0x2fff,
287 [WM8996_WRITE_SEQUENCER_104] = 0x2fff,
288 [WM8996_WRITE_SEQUENCER_108] = 0x2fff,
289 [WM8996_WRITE_SEQUENCER_112] = 0x2fff,
290 [WM8996_WRITE_SEQUENCER_116] = 0x2fff,
291 [WM8996_WRITE_SEQUENCER_120] = 0x2fff,
292 [WM8996_WRITE_SEQUENCER_124] = 0x2fff,
293 [WM8996_WRITE_SEQUENCER_128] = 0x1,
294 [WM8996_WRITE_SEQUENCER_129] = 0x1,
295 [WM8996_WRITE_SEQUENCER_131] = 0x6,
296 [WM8996_WRITE_SEQUENCER_132] = 0x40,
297 [WM8996_WRITE_SEQUENCER_133] = 0x1,
298 [WM8996_WRITE_SEQUENCER_134] = 0xf,
299 [WM8996_WRITE_SEQUENCER_135] = 0x6,
300 [WM8996_WRITE_SEQUENCER_136] = 0x1,
301 [WM8996_WRITE_SEQUENCER_137] = 0x3,
302 [WM8996_WRITE_SEQUENCER_138] = 0x106,
303 [WM8996_WRITE_SEQUENCER_140] = 0x61,
304 [WM8996_WRITE_SEQUENCER_141] = 0x11,
305 [WM8996_WRITE_SEQUENCER_142] = 0x401,
306 [WM8996_WRITE_SEQUENCER_144] = 0x50,
307 [WM8996_WRITE_SEQUENCER_145] = 0x3,
308 [WM8996_WRITE_SEQUENCER_146] = 0x102,
309 [WM8996_WRITE_SEQUENCER_148] = 0x51,
310 [WM8996_WRITE_SEQUENCER_149] = 0x3,
311 [WM8996_WRITE_SEQUENCER_150] = 0x106,
312 [WM8996_WRITE_SEQUENCER_151] = 0xa,
313 [WM8996_WRITE_SEQUENCER_152] = 0x61,
314 [WM8996_WRITE_SEQUENCER_153] = 0x3b,
315 [WM8996_WRITE_SEQUENCER_154] = 0x502,
316 [WM8996_WRITE_SEQUENCER_155] = 0x100,
317 [WM8996_WRITE_SEQUENCER_156] = 0x2fff,
318 [WM8996_WRITE_SEQUENCER_160] = 0x2fff,
319 [WM8996_WRITE_SEQUENCER_164] = 0x2fff,
320 [WM8996_WRITE_SEQUENCER_168] = 0x2fff,
321 [WM8996_WRITE_SEQUENCER_172] = 0x2fff,
322 [WM8996_WRITE_SEQUENCER_176] = 0x2fff,
323 [WM8996_WRITE_SEQUENCER_180] = 0x2fff,
324 [WM8996_WRITE_SEQUENCER_184] = 0x2fff,
325 [WM8996_WRITE_SEQUENCER_188] = 0x2fff,
326 [WM8996_WRITE_SEQUENCER_192] = 0x1,
327 [WM8996_WRITE_SEQUENCER_193] = 0x1,
328 [WM8996_WRITE_SEQUENCER_195] = 0x6,
329 [WM8996_WRITE_SEQUENCER_196] = 0x40,
330 [WM8996_WRITE_SEQUENCER_197] = 0x1,
331 [WM8996_WRITE_SEQUENCER_198] = 0xf,
332 [WM8996_WRITE_SEQUENCER_199] = 0x6,
333 [WM8996_WRITE_SEQUENCER_200] = 0x1,
334 [WM8996_WRITE_SEQUENCER_201] = 0x3,
335 [WM8996_WRITE_SEQUENCER_202] = 0x106,
336 [WM8996_WRITE_SEQUENCER_204] = 0x61,
337 [WM8996_WRITE_SEQUENCER_205] = 0x11,
338 [WM8996_WRITE_SEQUENCER_206] = 0x401,
339 [WM8996_WRITE_SEQUENCER_208] = 0x50,
340 [WM8996_WRITE_SEQUENCER_209] = 0x3,
341 [WM8996_WRITE_SEQUENCER_210] = 0x102,
342 [WM8996_WRITE_SEQUENCER_212] = 0x61,
343 [WM8996_WRITE_SEQUENCER_213] = 0x3b,
344 [WM8996_WRITE_SEQUENCER_214] = 0x502,
345 [WM8996_WRITE_SEQUENCER_215] = 0x100,
346 [WM8996_WRITE_SEQUENCER_216] = 0x2fff,
347 [WM8996_WRITE_SEQUENCER_220] = 0x2fff,
348 [WM8996_WRITE_SEQUENCER_224] = 0x2fff,
349 [WM8996_WRITE_SEQUENCER_228] = 0x2fff,
350 [WM8996_WRITE_SEQUENCER_232] = 0x2fff,
351 [WM8996_WRITE_SEQUENCER_236] = 0x2fff,
352 [WM8996_WRITE_SEQUENCER_240] = 0x2fff,
353 [WM8996_WRITE_SEQUENCER_244] = 0x2fff,
354 [WM8996_WRITE_SEQUENCER_248] = 0x2fff,
355 [WM8996_WRITE_SEQUENCER_252] = 0x2fff,
356 [WM8996_WRITE_SEQUENCER_256] = 0x60,
357 [WM8996_WRITE_SEQUENCER_258] = 0x601,
358 [WM8996_WRITE_SEQUENCER_260] = 0x50,
359 [WM8996_WRITE_SEQUENCER_262] = 0x100,
360 [WM8996_WRITE_SEQUENCER_264] = 0x1,
361 [WM8996_WRITE_SEQUENCER_266] = 0x104,
362 [WM8996_WRITE_SEQUENCER_267] = 0x100,
363 [WM8996_WRITE_SEQUENCER_268] = 0x2fff,
364 [WM8996_WRITE_SEQUENCER_272] = 0x2fff,
365 [WM8996_WRITE_SEQUENCER_276] = 0x2fff,
366 [WM8996_WRITE_SEQUENCER_280] = 0x2fff,
367 [WM8996_WRITE_SEQUENCER_284] = 0x2fff,
368 [WM8996_WRITE_SEQUENCER_288] = 0x2fff,
369 [WM8996_WRITE_SEQUENCER_292] = 0x2fff,
370 [WM8996_WRITE_SEQUENCER_296] = 0x2fff,
371 [WM8996_WRITE_SEQUENCER_300] = 0x2fff,
372 [WM8996_WRITE_SEQUENCER_304] = 0x2fff,
373 [WM8996_WRITE_SEQUENCER_308] = 0x2fff,
374 [WM8996_WRITE_SEQUENCER_312] = 0x2fff,
375 [WM8996_WRITE_SEQUENCER_316] = 0x2fff,
376 [WM8996_WRITE_SEQUENCER_320] = 0x61,
377 [WM8996_WRITE_SEQUENCER_322] = 0x601,
378 [WM8996_WRITE_SEQUENCER_324] = 0x50,
379 [WM8996_WRITE_SEQUENCER_326] = 0x102,
380 [WM8996_WRITE_SEQUENCER_328] = 0x1,
381 [WM8996_WRITE_SEQUENCER_330] = 0x106,
382 [WM8996_WRITE_SEQUENCER_331] = 0x100,
383 [WM8996_WRITE_SEQUENCER_332] = 0x2fff,
384 [WM8996_WRITE_SEQUENCER_336] = 0x2fff,
385 [WM8996_WRITE_SEQUENCER_340] = 0x2fff,
386 [WM8996_WRITE_SEQUENCER_344] = 0x2fff,
387 [WM8996_WRITE_SEQUENCER_348] = 0x2fff,
388 [WM8996_WRITE_SEQUENCER_352] = 0x2fff,
389 [WM8996_WRITE_SEQUENCER_356] = 0x2fff,
390 [WM8996_WRITE_SEQUENCER_360] = 0x2fff,
391 [WM8996_WRITE_SEQUENCER_364] = 0x2fff,
392 [WM8996_WRITE_SEQUENCER_368] = 0x2fff,
393 [WM8996_WRITE_SEQUENCER_372] = 0x2fff,
394 [WM8996_WRITE_SEQUENCER_376] = 0x2fff,
395 [WM8996_WRITE_SEQUENCER_380] = 0x2fff,
396 [WM8996_WRITE_SEQUENCER_384] = 0x60,
397 [WM8996_WRITE_SEQUENCER_386] = 0x601,
398 [WM8996_WRITE_SEQUENCER_388] = 0x61,
399 [WM8996_WRITE_SEQUENCER_390] = 0x601,
400 [WM8996_WRITE_SEQUENCER_392] = 0x50,
401 [WM8996_WRITE_SEQUENCER_394] = 0x300,
402 [WM8996_WRITE_SEQUENCER_396] = 0x1,
403 [WM8996_WRITE_SEQUENCER_398] = 0x304,
404 [WM8996_WRITE_SEQUENCER_400] = 0x40,
405 [WM8996_WRITE_SEQUENCER_402] = 0xf,
406 [WM8996_WRITE_SEQUENCER_404] = 0x1,
407 [WM8996_WRITE_SEQUENCER_407] = 0x100,
408 };
409
410 static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
411 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
412 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
413 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
414 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
415 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
416 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
417 static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
418
419 static const char *sidetone_hpf_text[] = {
420 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
421 };
422
423 static const struct soc_enum sidetone_hpf =
424 SOC_ENUM_SINGLE(WM8996_SIDETONE, 7, 7, sidetone_hpf_text);
425
426 static const char *hpf_mode_text[] = {
427 "HiFi", "Custom", "Voice"
428 };
429
430 static const struct soc_enum dsp1tx_hpf_mode =
431 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 3, 3, hpf_mode_text);
432
433 static const struct soc_enum dsp2tx_hpf_mode =
434 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 3, 3, hpf_mode_text);
435
436 static const char *hpf_cutoff_text[] = {
437 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
438 };
439
440 static const struct soc_enum dsp1tx_hpf_cutoff =
441 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 0, 7, hpf_cutoff_text);
442
443 static const struct soc_enum dsp2tx_hpf_cutoff =
444 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 0, 7, hpf_cutoff_text);
445
446 static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
447 {
448 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
449 struct wm8996_pdata *pdata = &wm8996->pdata;
450 int base, best, best_val, save, i, cfg, iface;
451
452 if (!wm8996->num_retune_mobile_texts)
453 return;
454
455 switch (block) {
456 case 0:
457 base = WM8996_DSP1_RX_EQ_GAINS_1;
458 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
459 WM8996_DSP1RX_SRC)
460 iface = 1;
461 else
462 iface = 0;
463 break;
464 case 1:
465 base = WM8996_DSP1_RX_EQ_GAINS_2;
466 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
467 WM8996_DSP2RX_SRC)
468 iface = 1;
469 else
470 iface = 0;
471 break;
472 default:
473 return;
474 }
475
476 /* Find the version of the currently selected configuration
477 * with the nearest sample rate. */
478 cfg = wm8996->retune_mobile_cfg[block];
479 best = 0;
480 best_val = INT_MAX;
481 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
482 if (strcmp(pdata->retune_mobile_cfgs[i].name,
483 wm8996->retune_mobile_texts[cfg]) == 0 &&
484 abs(pdata->retune_mobile_cfgs[i].rate
485 - wm8996->rx_rate[iface]) < best_val) {
486 best = i;
487 best_val = abs(pdata->retune_mobile_cfgs[i].rate
488 - wm8996->rx_rate[iface]);
489 }
490 }
491
492 dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
493 block,
494 pdata->retune_mobile_cfgs[best].name,
495 pdata->retune_mobile_cfgs[best].rate,
496 wm8996->rx_rate[iface]);
497
498 /* The EQ will be disabled while reconfiguring it, remember the
499 * current configuration.
500 */
501 save = snd_soc_read(codec, base);
502 save &= WM8996_DSP1RX_EQ_ENA;
503
504 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
505 snd_soc_update_bits(codec, base + i, 0xffff,
506 pdata->retune_mobile_cfgs[best].regs[i]);
507
508 snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
509 }
510
511 /* Icky as hell but saves code duplication */
512 static int wm8996_get_retune_mobile_block(const char *name)
513 {
514 if (strcmp(name, "DSP1 EQ Mode") == 0)
515 return 0;
516 if (strcmp(name, "DSP2 EQ Mode") == 0)
517 return 1;
518 return -EINVAL;
519 }
520
521 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
522 struct snd_ctl_elem_value *ucontrol)
523 {
524 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
525 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
526 struct wm8996_pdata *pdata = &wm8996->pdata;
527 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
528 int value = ucontrol->value.integer.value[0];
529
530 if (block < 0)
531 return block;
532
533 if (value >= pdata->num_retune_mobile_cfgs)
534 return -EINVAL;
535
536 wm8996->retune_mobile_cfg[block] = value;
537
538 wm8996_set_retune_mobile(codec, block);
539
540 return 0;
541 }
542
543 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
544 struct snd_ctl_elem_value *ucontrol)
545 {
546 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
547 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
548 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
549
550 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
551
552 return 0;
553 }
554
555 static const struct snd_kcontrol_new wm8996_snd_controls[] = {
556 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
557 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
558 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
559 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
560
561 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
562 0, 5, 24, 0, sidetone_tlv),
563 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
564 0, 5, 24, 0, sidetone_tlv),
565 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
566 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
567 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
568
569 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
570 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
571 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
572 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
573
574 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
575 13, 1, 0),
576 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
577 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
578 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
579
580 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
581 13, 1, 0),
582 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
583 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
584 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
585
586 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
587 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
588 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
589
590 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
591 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
592 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
593
594 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
595 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
596 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
597 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
598
599 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
600 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
601 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
602 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
603
604 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
605 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
606 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
607 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
608
609 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
610 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
611
612 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
613 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
614
615 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
616 0, threedstereo_tlv),
617 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
618 0, threedstereo_tlv),
619
620 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
621 8, 0, out_digital_tlv),
622 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
623 8, 0, out_digital_tlv),
624
625 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
626 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
627 SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
628 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
629
630 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
631 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
632 SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
633 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
634
635 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
636 spk_tlv),
637 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
638 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
639 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
640 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
641
642 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
643 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
644 };
645
646 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
647 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
648 eq_tlv),
649 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
650 eq_tlv),
651 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
652 eq_tlv),
653 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
654 eq_tlv),
655 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
656 eq_tlv),
657
658 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
659 eq_tlv),
660 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
661 eq_tlv),
662 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
663 eq_tlv),
664 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
665 eq_tlv),
666 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
667 eq_tlv),
668 };
669
670 static void wm8996_bg_enable(struct snd_soc_codec *codec)
671 {
672 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
673
674 wm8996->bg_ena++;
675 if (wm8996->bg_ena == 1) {
676 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
677 WM8996_BG_ENA, WM8996_BG_ENA);
678 msleep(2);
679 }
680 }
681
682 static void wm8996_bg_disable(struct snd_soc_codec *codec)
683 {
684 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
685
686 wm8996->bg_ena--;
687 if (!wm8996->bg_ena)
688 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
689 WM8996_BG_ENA, 0);
690 }
691
692 static int bg_event(struct snd_soc_dapm_widget *w,
693 struct snd_kcontrol *kcontrol, int event)
694 {
695 struct snd_soc_codec *codec = w->codec;
696 int ret = 0;
697
698 switch (event) {
699 case SND_SOC_DAPM_PRE_PMU:
700 wm8996_bg_enable(codec);
701 break;
702 case SND_SOC_DAPM_POST_PMD:
703 wm8996_bg_disable(codec);
704 break;
705 default:
706 BUG();
707 ret = -EINVAL;
708 }
709
710 return ret;
711 }
712
713 static int cp_event(struct snd_soc_dapm_widget *w,
714 struct snd_kcontrol *kcontrol, int event)
715 {
716 struct snd_soc_codec *codec = w->codec;
717 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
718 int ret = 0;
719
720 switch (event) {
721 case SND_SOC_DAPM_PRE_PMU:
722 ret = regulator_enable(wm8996->cpvdd);
723 if (ret != 0)
724 dev_err(codec->dev, "Failed to enable CPVDD: %d\n",
725 ret);
726 break;
727 case SND_SOC_DAPM_POST_PMU:
728 msleep(5);
729 break;
730 case SND_SOC_DAPM_POST_PMD:
731 regulator_disable_deferred(wm8996->cpvdd, 20);
732 break;
733 default:
734 BUG();
735 ret = -EINVAL;
736 }
737
738 return ret;
739 }
740
741 static int rmv_short_event(struct snd_soc_dapm_widget *w,
742 struct snd_kcontrol *kcontrol, int event)
743 {
744 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
745
746 /* Record which outputs we enabled */
747 switch (event) {
748 case SND_SOC_DAPM_PRE_PMD:
749 wm8996->hpout_pending &= ~w->shift;
750 break;
751 case SND_SOC_DAPM_PRE_PMU:
752 wm8996->hpout_pending |= w->shift;
753 break;
754 default:
755 BUG();
756 return -EINVAL;
757 }
758
759 return 0;
760 }
761
762 static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
763 {
764 struct i2c_client *i2c = to_i2c_client(codec->dev);
765 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
766 int ret;
767 unsigned long timeout = 200;
768
769 snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
770
771 /* Use the interrupt if possible */
772 do {
773 if (i2c->irq) {
774 timeout = wait_for_completion_timeout(&wm8996->dcs_done,
775 msecs_to_jiffies(200));
776 if (timeout == 0)
777 dev_err(codec->dev, "DC servo timed out\n");
778
779 } else {
780 msleep(1);
781 timeout--;
782 }
783
784 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
785 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
786 } while (timeout && ret & mask);
787
788 if (timeout == 0)
789 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
790 else
791 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
792 }
793
794 static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
795 enum snd_soc_dapm_type event, int subseq)
796 {
797 struct snd_soc_codec *codec = container_of(dapm,
798 struct snd_soc_codec, dapm);
799 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
800 u16 val, mask;
801
802 /* Complete any pending DC servo starts */
803 if (wm8996->dcs_pending) {
804 dev_dbg(codec->dev, "Starting DC servo for %x\n",
805 wm8996->dcs_pending);
806
807 /* Trigger a startup sequence */
808 wait_for_dc_servo(codec, wm8996->dcs_pending
809 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
810
811 wm8996->dcs_pending = 0;
812 }
813
814 if (wm8996->hpout_pending != wm8996->hpout_ena) {
815 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
816 wm8996->hpout_ena, wm8996->hpout_pending);
817
818 val = 0;
819 mask = 0;
820 if (wm8996->hpout_pending & HPOUT1L) {
821 val |= WM8996_HPOUT1L_RMV_SHORT;
822 mask |= WM8996_HPOUT1L_RMV_SHORT;
823 } else {
824 mask |= WM8996_HPOUT1L_RMV_SHORT |
825 WM8996_HPOUT1L_OUTP |
826 WM8996_HPOUT1L_DLY;
827 }
828
829 if (wm8996->hpout_pending & HPOUT1R) {
830 val |= WM8996_HPOUT1R_RMV_SHORT;
831 mask |= WM8996_HPOUT1R_RMV_SHORT;
832 } else {
833 mask |= WM8996_HPOUT1R_RMV_SHORT |
834 WM8996_HPOUT1R_OUTP |
835 WM8996_HPOUT1R_DLY;
836 }
837
838 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
839
840 val = 0;
841 mask = 0;
842 if (wm8996->hpout_pending & HPOUT2L) {
843 val |= WM8996_HPOUT2L_RMV_SHORT;
844 mask |= WM8996_HPOUT2L_RMV_SHORT;
845 } else {
846 mask |= WM8996_HPOUT2L_RMV_SHORT |
847 WM8996_HPOUT2L_OUTP |
848 WM8996_HPOUT2L_DLY;
849 }
850
851 if (wm8996->hpout_pending & HPOUT2R) {
852 val |= WM8996_HPOUT2R_RMV_SHORT;
853 mask |= WM8996_HPOUT2R_RMV_SHORT;
854 } else {
855 mask |= WM8996_HPOUT2R_RMV_SHORT |
856 WM8996_HPOUT2R_OUTP |
857 WM8996_HPOUT2R_DLY;
858 }
859
860 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
861
862 wm8996->hpout_ena = wm8996->hpout_pending;
863 }
864 }
865
866 static int dcs_start(struct snd_soc_dapm_widget *w,
867 struct snd_kcontrol *kcontrol, int event)
868 {
869 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
870
871 switch (event) {
872 case SND_SOC_DAPM_POST_PMU:
873 wm8996->dcs_pending |= 1 << w->shift;
874 break;
875 default:
876 BUG();
877 return -EINVAL;
878 }
879
880 return 0;
881 }
882
883 static const char *sidetone_text[] = {
884 "IN1", "IN2",
885 };
886
887 static const struct soc_enum left_sidetone_enum =
888 SOC_ENUM_SINGLE(WM8996_SIDETONE, 0, 2, sidetone_text);
889
890 static const struct snd_kcontrol_new left_sidetone =
891 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
892
893 static const struct soc_enum right_sidetone_enum =
894 SOC_ENUM_SINGLE(WM8996_SIDETONE, 1, 2, sidetone_text);
895
896 static const struct snd_kcontrol_new right_sidetone =
897 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
898
899 static const char *spk_text[] = {
900 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
901 };
902
903 static const struct soc_enum spkl_enum =
904 SOC_ENUM_SINGLE(WM8996_LEFT_PDM_SPEAKER, 0, 4, spk_text);
905
906 static const struct snd_kcontrol_new spkl_mux =
907 SOC_DAPM_ENUM("SPKL", spkl_enum);
908
909 static const struct soc_enum spkr_enum =
910 SOC_ENUM_SINGLE(WM8996_RIGHT_PDM_SPEAKER, 0, 4, spk_text);
911
912 static const struct snd_kcontrol_new spkr_mux =
913 SOC_DAPM_ENUM("SPKR", spkr_enum);
914
915 static const char *dsp1rx_text[] = {
916 "AIF1", "AIF2"
917 };
918
919 static const struct soc_enum dsp1rx_enum =
920 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 0, 2, dsp1rx_text);
921
922 static const struct snd_kcontrol_new dsp1rx =
923 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
924
925 static const char *dsp2rx_text[] = {
926 "AIF2", "AIF1"
927 };
928
929 static const struct soc_enum dsp2rx_enum =
930 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 4, 2, dsp2rx_text);
931
932 static const struct snd_kcontrol_new dsp2rx =
933 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
934
935 static const char *aif2tx_text[] = {
936 "DSP2", "DSP1", "AIF1"
937 };
938
939 static const struct soc_enum aif2tx_enum =
940 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 6, 3, aif2tx_text);
941
942 static const struct snd_kcontrol_new aif2tx =
943 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
944
945 static const char *inmux_text[] = {
946 "ADC", "DMIC1", "DMIC2"
947 };
948
949 static const struct soc_enum in1_enum =
950 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 0, 3, inmux_text);
951
952 static const struct snd_kcontrol_new in1_mux =
953 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
954
955 static const struct soc_enum in2_enum =
956 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 4, 3, inmux_text);
957
958 static const struct snd_kcontrol_new in2_mux =
959 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
960
961 static const struct snd_kcontrol_new dac2r_mix[] = {
962 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
963 5, 1, 0),
964 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
965 4, 1, 0),
966 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
967 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
968 };
969
970 static const struct snd_kcontrol_new dac2l_mix[] = {
971 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
972 5, 1, 0),
973 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
974 4, 1, 0),
975 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
976 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
977 };
978
979 static const struct snd_kcontrol_new dac1r_mix[] = {
980 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
981 5, 1, 0),
982 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
983 4, 1, 0),
984 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
985 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
986 };
987
988 static const struct snd_kcontrol_new dac1l_mix[] = {
989 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
990 5, 1, 0),
991 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
992 4, 1, 0),
993 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
994 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
995 };
996
997 static const struct snd_kcontrol_new dsp1txl[] = {
998 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
999 1, 1, 0),
1000 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
1001 0, 1, 0),
1002 };
1003
1004 static const struct snd_kcontrol_new dsp1txr[] = {
1005 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
1006 1, 1, 0),
1007 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
1008 0, 1, 0),
1009 };
1010
1011 static const struct snd_kcontrol_new dsp2txl[] = {
1012 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
1013 1, 1, 0),
1014 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
1015 0, 1, 0),
1016 };
1017
1018 static const struct snd_kcontrol_new dsp2txr[] = {
1019 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
1020 1, 1, 0),
1021 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
1022 0, 1, 0),
1023 };
1024
1025
1026 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
1027 SND_SOC_DAPM_INPUT("IN1LN"),
1028 SND_SOC_DAPM_INPUT("IN1LP"),
1029 SND_SOC_DAPM_INPUT("IN1RN"),
1030 SND_SOC_DAPM_INPUT("IN1RP"),
1031
1032 SND_SOC_DAPM_INPUT("IN2LN"),
1033 SND_SOC_DAPM_INPUT("IN2LP"),
1034 SND_SOC_DAPM_INPUT("IN2RN"),
1035 SND_SOC_DAPM_INPUT("IN2RP"),
1036
1037 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1038 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1039
1040 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
1041 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
1042 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
1043 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
1044 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1045 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
1046 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1047 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
1048 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
1049 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
1050 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
1051 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
1052
1053 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
1054 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
1055
1056 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
1057 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
1058 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
1059 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
1060
1061 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
1062 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
1063
1064 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
1065 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
1066 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
1067 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
1068
1069 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
1070 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
1071
1072 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
1073 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
1074
1075 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
1076 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
1077 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
1078 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
1079
1080 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
1081 dsp2txl, ARRAY_SIZE(dsp2txl)),
1082 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
1083 dsp2txr, ARRAY_SIZE(dsp2txr)),
1084 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
1085 dsp1txl, ARRAY_SIZE(dsp1txl)),
1086 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
1087 dsp1txr, ARRAY_SIZE(dsp1txr)),
1088
1089 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1090 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
1091 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1092 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
1093 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1094 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1095 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1096 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1097
1098 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
1099 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
1100 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
1101 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
1102
1103 SND_SOC_DAPM_AIF_IN("AIF2RX1", "AIF2 Playback", 0,
1104 WM8996_POWER_MANAGEMENT_4, 9, 0),
1105 SND_SOC_DAPM_AIF_IN("AIF2RX0", "AIF2 Playback", 1,
1106 WM8996_POWER_MANAGEMENT_4, 8, 0),
1107
1108 SND_SOC_DAPM_AIF_IN("AIF2TX1", "AIF2 Capture", 0,
1109 WM8996_POWER_MANAGEMENT_6, 9, 0),
1110 SND_SOC_DAPM_AIF_IN("AIF2TX0", "AIF2 Capture", 1,
1111 WM8996_POWER_MANAGEMENT_6, 8, 0),
1112
1113 SND_SOC_DAPM_AIF_IN("AIF1RX5", "AIF1 Playback", 5,
1114 WM8996_POWER_MANAGEMENT_4, 5, 0),
1115 SND_SOC_DAPM_AIF_IN("AIF1RX4", "AIF1 Playback", 4,
1116 WM8996_POWER_MANAGEMENT_4, 4, 0),
1117 SND_SOC_DAPM_AIF_IN("AIF1RX3", "AIF1 Playback", 3,
1118 WM8996_POWER_MANAGEMENT_4, 3, 0),
1119 SND_SOC_DAPM_AIF_IN("AIF1RX2", "AIF1 Playback", 2,
1120 WM8996_POWER_MANAGEMENT_4, 2, 0),
1121 SND_SOC_DAPM_AIF_IN("AIF1RX1", "AIF1 Playback", 1,
1122 WM8996_POWER_MANAGEMENT_4, 1, 0),
1123 SND_SOC_DAPM_AIF_IN("AIF1RX0", "AIF1 Playback", 0,
1124 WM8996_POWER_MANAGEMENT_4, 0, 0),
1125
1126 SND_SOC_DAPM_AIF_OUT("AIF1TX5", "AIF1 Capture", 5,
1127 WM8996_POWER_MANAGEMENT_6, 5, 0),
1128 SND_SOC_DAPM_AIF_OUT("AIF1TX4", "AIF1 Capture", 4,
1129 WM8996_POWER_MANAGEMENT_6, 4, 0),
1130 SND_SOC_DAPM_AIF_OUT("AIF1TX3", "AIF1 Capture", 3,
1131 WM8996_POWER_MANAGEMENT_6, 3, 0),
1132 SND_SOC_DAPM_AIF_OUT("AIF1TX2", "AIF1 Capture", 2,
1133 WM8996_POWER_MANAGEMENT_6, 2, 0),
1134 SND_SOC_DAPM_AIF_OUT("AIF1TX1", "AIF1 Capture", 1,
1135 WM8996_POWER_MANAGEMENT_6, 1, 0),
1136 SND_SOC_DAPM_AIF_OUT("AIF1TX0", "AIF1 Capture", 0,
1137 WM8996_POWER_MANAGEMENT_6, 0, 0),
1138
1139 /* We route as stereo pairs so define some dummy widgets to squash
1140 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1141 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1142 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1143 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1144 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1145 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1146
1147 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1148 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1149 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1150
1151 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1152 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1153 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1154 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1155
1156 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1157 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1158 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1159 SND_SOC_DAPM_POST_PMU),
1160 SND_SOC_DAPM_PGA_S("HPOUT2L_OUTP", 3, WM8996_ANALOGUE_HP_2, 6, 0, NULL, 0),
1161 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1162 rmv_short_event,
1163 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1164
1165 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1166 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1167 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1168 SND_SOC_DAPM_POST_PMU),
1169 SND_SOC_DAPM_PGA_S("HPOUT2R_OUTP", 3, WM8996_ANALOGUE_HP_2, 2, 0, NULL, 0),
1170 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1171 rmv_short_event,
1172 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1173
1174 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1175 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1176 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1177 SND_SOC_DAPM_POST_PMU),
1178 SND_SOC_DAPM_PGA_S("HPOUT1L_OUTP", 3, WM8996_ANALOGUE_HP_1, 6, 0, NULL, 0),
1179 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1180 rmv_short_event,
1181 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1182
1183 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1184 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1185 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1186 SND_SOC_DAPM_POST_PMU),
1187 SND_SOC_DAPM_PGA_S("HPOUT1R_OUTP", 3, WM8996_ANALOGUE_HP_1, 2, 0, NULL, 0),
1188 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1189 rmv_short_event,
1190 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1191
1192 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1193 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1194 SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1195 SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1196 SND_SOC_DAPM_OUTPUT("SPKDAT"),
1197 };
1198
1199 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1200 { "AIFCLK", NULL, "SYSCLK" },
1201 { "SYSDSPCLK", NULL, "SYSCLK" },
1202 { "Charge Pump", NULL, "SYSCLK" },
1203
1204 { "MICB1", NULL, "LDO2" },
1205 { "MICB1", NULL, "MICB1 Audio" },
1206 { "MICB1", NULL, "Bandgap" },
1207 { "MICB2", NULL, "LDO2" },
1208 { "MICB2", NULL, "MICB2 Audio" },
1209 { "MICB2", NULL, "Bandgap" },
1210
1211 { "IN1L PGA", NULL, "IN2LN" },
1212 { "IN1L PGA", NULL, "IN2LP" },
1213 { "IN1L PGA", NULL, "IN1LN" },
1214 { "IN1L PGA", NULL, "IN1LP" },
1215 { "IN1L PGA", NULL, "Bandgap" },
1216
1217 { "IN1R PGA", NULL, "IN2RN" },
1218 { "IN1R PGA", NULL, "IN2RP" },
1219 { "IN1R PGA", NULL, "IN1RN" },
1220 { "IN1R PGA", NULL, "IN1RP" },
1221 { "IN1R PGA", NULL, "Bandgap" },
1222
1223 { "ADCL", NULL, "IN1L PGA" },
1224
1225 { "ADCR", NULL, "IN1R PGA" },
1226
1227 { "DMIC1L", NULL, "DMIC1DAT" },
1228 { "DMIC1R", NULL, "DMIC1DAT" },
1229 { "DMIC2L", NULL, "DMIC2DAT" },
1230 { "DMIC2R", NULL, "DMIC2DAT" },
1231
1232 { "DMIC2L", NULL, "DMIC2" },
1233 { "DMIC2R", NULL, "DMIC2" },
1234 { "DMIC1L", NULL, "DMIC1" },
1235 { "DMIC1R", NULL, "DMIC1" },
1236
1237 { "IN1L Mux", "ADC", "ADCL" },
1238 { "IN1L Mux", "DMIC1", "DMIC1L" },
1239 { "IN1L Mux", "DMIC2", "DMIC2L" },
1240
1241 { "IN1R Mux", "ADC", "ADCR" },
1242 { "IN1R Mux", "DMIC1", "DMIC1R" },
1243 { "IN1R Mux", "DMIC2", "DMIC2R" },
1244
1245 { "IN2L Mux", "ADC", "ADCL" },
1246 { "IN2L Mux", "DMIC1", "DMIC1L" },
1247 { "IN2L Mux", "DMIC2", "DMIC2L" },
1248
1249 { "IN2R Mux", "ADC", "ADCR" },
1250 { "IN2R Mux", "DMIC1", "DMIC1R" },
1251 { "IN2R Mux", "DMIC2", "DMIC2R" },
1252
1253 { "Left Sidetone", "IN1", "IN1L Mux" },
1254 { "Left Sidetone", "IN2", "IN2L Mux" },
1255
1256 { "Right Sidetone", "IN1", "IN1R Mux" },
1257 { "Right Sidetone", "IN2", "IN2R Mux" },
1258
1259 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1260 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1261
1262 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1263 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1264
1265 { "AIF1TX0", NULL, "DSP1TXL" },
1266 { "AIF1TX1", NULL, "DSP1TXR" },
1267 { "AIF1TX2", NULL, "DSP2TXL" },
1268 { "AIF1TX3", NULL, "DSP2TXR" },
1269 { "AIF1TX4", NULL, "AIF2RX0" },
1270 { "AIF1TX5", NULL, "AIF2RX1" },
1271
1272 { "AIF1RX0", NULL, "AIFCLK" },
1273 { "AIF1RX1", NULL, "AIFCLK" },
1274 { "AIF1RX2", NULL, "AIFCLK" },
1275 { "AIF1RX3", NULL, "AIFCLK" },
1276 { "AIF1RX4", NULL, "AIFCLK" },
1277 { "AIF1RX5", NULL, "AIFCLK" },
1278
1279 { "AIF2RX0", NULL, "AIFCLK" },
1280 { "AIF2RX1", NULL, "AIFCLK" },
1281
1282 { "AIF1TX0", NULL, "AIFCLK" },
1283 { "AIF1TX1", NULL, "AIFCLK" },
1284 { "AIF1TX2", NULL, "AIFCLK" },
1285 { "AIF1TX3", NULL, "AIFCLK" },
1286 { "AIF1TX4", NULL, "AIFCLK" },
1287 { "AIF1TX5", NULL, "AIFCLK" },
1288
1289 { "AIF2TX0", NULL, "AIFCLK" },
1290 { "AIF2TX1", NULL, "AIFCLK" },
1291
1292 { "DSP1RXL", NULL, "SYSDSPCLK" },
1293 { "DSP1RXR", NULL, "SYSDSPCLK" },
1294 { "DSP2RXL", NULL, "SYSDSPCLK" },
1295 { "DSP2RXR", NULL, "SYSDSPCLK" },
1296 { "DSP1TXL", NULL, "SYSDSPCLK" },
1297 { "DSP1TXR", NULL, "SYSDSPCLK" },
1298 { "DSP2TXL", NULL, "SYSDSPCLK" },
1299 { "DSP2TXR", NULL, "SYSDSPCLK" },
1300
1301 { "AIF1RXA", NULL, "AIF1RX0" },
1302 { "AIF1RXA", NULL, "AIF1RX1" },
1303 { "AIF1RXB", NULL, "AIF1RX2" },
1304 { "AIF1RXB", NULL, "AIF1RX3" },
1305 { "AIF1RXC", NULL, "AIF1RX4" },
1306 { "AIF1RXC", NULL, "AIF1RX5" },
1307
1308 { "AIF2RX", NULL, "AIF2RX0" },
1309 { "AIF2RX", NULL, "AIF2RX1" },
1310
1311 { "AIF2TX", "DSP2", "DSP2TX" },
1312 { "AIF2TX", "DSP1", "DSP1RX" },
1313 { "AIF2TX", "AIF1", "AIF1RXC" },
1314
1315 { "DSP1RXL", NULL, "DSP1RX" },
1316 { "DSP1RXR", NULL, "DSP1RX" },
1317 { "DSP2RXL", NULL, "DSP2RX" },
1318 { "DSP2RXR", NULL, "DSP2RX" },
1319
1320 { "DSP2TX", NULL, "DSP2TXL" },
1321 { "DSP2TX", NULL, "DSP2TXR" },
1322
1323 { "DSP1RX", "AIF1", "AIF1RXA" },
1324 { "DSP1RX", "AIF2", "AIF2RX" },
1325
1326 { "DSP2RX", "AIF1", "AIF1RXB" },
1327 { "DSP2RX", "AIF2", "AIF2RX" },
1328
1329 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1330 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1331 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1332 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1333
1334 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1335 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1336 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1337 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1338
1339 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1340 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1341 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1342 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1343
1344 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1345 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1346 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1347 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1348
1349 { "DAC1L", NULL, "DAC1L Mixer" },
1350 { "DAC1R", NULL, "DAC1R Mixer" },
1351 { "DAC2L", NULL, "DAC2L Mixer" },
1352 { "DAC2R", NULL, "DAC2R Mixer" },
1353
1354 { "HPOUT2L PGA", NULL, "Charge Pump" },
1355 { "HPOUT2L PGA", NULL, "Bandgap" },
1356 { "HPOUT2L PGA", NULL, "DAC2L" },
1357 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1358 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1359 { "HPOUT2L_OUTP", NULL, "HPOUT2L_DCS" },
1360 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_OUTP" },
1361
1362 { "HPOUT2R PGA", NULL, "Charge Pump" },
1363 { "HPOUT2R PGA", NULL, "Bandgap" },
1364 { "HPOUT2R PGA", NULL, "DAC2R" },
1365 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1366 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1367 { "HPOUT2R_OUTP", NULL, "HPOUT2R_DCS" },
1368 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_OUTP" },
1369
1370 { "HPOUT1L PGA", NULL, "Charge Pump" },
1371 { "HPOUT1L PGA", NULL, "Bandgap" },
1372 { "HPOUT1L PGA", NULL, "DAC1L" },
1373 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1374 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1375 { "HPOUT1L_OUTP", NULL, "HPOUT1L_DCS" },
1376 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_OUTP" },
1377
1378 { "HPOUT1R PGA", NULL, "Charge Pump" },
1379 { "HPOUT1R PGA", NULL, "Bandgap" },
1380 { "HPOUT1R PGA", NULL, "DAC1R" },
1381 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1382 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1383 { "HPOUT1R_OUTP", NULL, "HPOUT1R_DCS" },
1384 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_OUTP" },
1385
1386 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1387 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1388 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1389 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1390
1391 { "SPKL", "DAC1L", "DAC1L" },
1392 { "SPKL", "DAC1R", "DAC1R" },
1393 { "SPKL", "DAC2L", "DAC2L" },
1394 { "SPKL", "DAC2R", "DAC2R" },
1395
1396 { "SPKR", "DAC1L", "DAC1L" },
1397 { "SPKR", "DAC1R", "DAC1R" },
1398 { "SPKR", "DAC2L", "DAC2L" },
1399 { "SPKR", "DAC2R", "DAC2R" },
1400
1401 { "SPKL PGA", NULL, "SPKL" },
1402 { "SPKR PGA", NULL, "SPKR" },
1403
1404 { "SPKDAT", NULL, "SPKL PGA" },
1405 { "SPKDAT", NULL, "SPKR PGA" },
1406 };
1407
1408 static int wm8996_readable_register(struct snd_soc_codec *codec,
1409 unsigned int reg)
1410 {
1411 /* Due to the sparseness of the register map the compiler
1412 * output from an explicit switch statement ends up being much
1413 * more efficient than a table.
1414 */
1415 switch (reg) {
1416 case WM8996_SOFTWARE_RESET:
1417 case WM8996_POWER_MANAGEMENT_1:
1418 case WM8996_POWER_MANAGEMENT_2:
1419 case WM8996_POWER_MANAGEMENT_3:
1420 case WM8996_POWER_MANAGEMENT_4:
1421 case WM8996_POWER_MANAGEMENT_5:
1422 case WM8996_POWER_MANAGEMENT_6:
1423 case WM8996_POWER_MANAGEMENT_7:
1424 case WM8996_POWER_MANAGEMENT_8:
1425 case WM8996_LEFT_LINE_INPUT_VOLUME:
1426 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1427 case WM8996_LINE_INPUT_CONTROL:
1428 case WM8996_DAC1_HPOUT1_VOLUME:
1429 case WM8996_DAC2_HPOUT2_VOLUME:
1430 case WM8996_DAC1_LEFT_VOLUME:
1431 case WM8996_DAC1_RIGHT_VOLUME:
1432 case WM8996_DAC2_LEFT_VOLUME:
1433 case WM8996_DAC2_RIGHT_VOLUME:
1434 case WM8996_OUTPUT1_LEFT_VOLUME:
1435 case WM8996_OUTPUT1_RIGHT_VOLUME:
1436 case WM8996_OUTPUT2_LEFT_VOLUME:
1437 case WM8996_OUTPUT2_RIGHT_VOLUME:
1438 case WM8996_MICBIAS_1:
1439 case WM8996_MICBIAS_2:
1440 case WM8996_LDO_1:
1441 case WM8996_LDO_2:
1442 case WM8996_ACCESSORY_DETECT_MODE_1:
1443 case WM8996_ACCESSORY_DETECT_MODE_2:
1444 case WM8996_HEADPHONE_DETECT_1:
1445 case WM8996_HEADPHONE_DETECT_2:
1446 case WM8996_MIC_DETECT_1:
1447 case WM8996_MIC_DETECT_2:
1448 case WM8996_MIC_DETECT_3:
1449 case WM8996_CHARGE_PUMP_1:
1450 case WM8996_CHARGE_PUMP_2:
1451 case WM8996_DC_SERVO_1:
1452 case WM8996_DC_SERVO_2:
1453 case WM8996_DC_SERVO_3:
1454 case WM8996_DC_SERVO_5:
1455 case WM8996_DC_SERVO_6:
1456 case WM8996_DC_SERVO_7:
1457 case WM8996_DC_SERVO_READBACK_0:
1458 case WM8996_ANALOGUE_HP_1:
1459 case WM8996_ANALOGUE_HP_2:
1460 case WM8996_CHIP_REVISION:
1461 case WM8996_CONTROL_INTERFACE_1:
1462 case WM8996_WRITE_SEQUENCER_CTRL_1:
1463 case WM8996_WRITE_SEQUENCER_CTRL_2:
1464 case WM8996_AIF_CLOCKING_1:
1465 case WM8996_AIF_CLOCKING_2:
1466 case WM8996_CLOCKING_1:
1467 case WM8996_CLOCKING_2:
1468 case WM8996_AIF_RATE:
1469 case WM8996_FLL_CONTROL_1:
1470 case WM8996_FLL_CONTROL_2:
1471 case WM8996_FLL_CONTROL_3:
1472 case WM8996_FLL_CONTROL_4:
1473 case WM8996_FLL_CONTROL_5:
1474 case WM8996_FLL_CONTROL_6:
1475 case WM8996_FLL_EFS_1:
1476 case WM8996_FLL_EFS_2:
1477 case WM8996_AIF1_CONTROL:
1478 case WM8996_AIF1_BCLK:
1479 case WM8996_AIF1_TX_LRCLK_1:
1480 case WM8996_AIF1_TX_LRCLK_2:
1481 case WM8996_AIF1_RX_LRCLK_1:
1482 case WM8996_AIF1_RX_LRCLK_2:
1483 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1484 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1485 case WM8996_AIF1RX_DATA_CONFIGURATION:
1486 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1487 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1488 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1489 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1490 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1491 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1492 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1493 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1494 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1495 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1496 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1497 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1498 case WM8996_AIF1RX_MONO_CONFIGURATION:
1499 case WM8996_AIF1TX_TEST:
1500 case WM8996_AIF2_CONTROL:
1501 case WM8996_AIF2_BCLK:
1502 case WM8996_AIF2_TX_LRCLK_1:
1503 case WM8996_AIF2_TX_LRCLK_2:
1504 case WM8996_AIF2_RX_LRCLK_1:
1505 case WM8996_AIF2_RX_LRCLK_2:
1506 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1507 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1508 case WM8996_AIF2RX_DATA_CONFIGURATION:
1509 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1510 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1511 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1512 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1513 case WM8996_AIF2RX_MONO_CONFIGURATION:
1514 case WM8996_AIF2TX_TEST:
1515 case WM8996_DSP1_TX_LEFT_VOLUME:
1516 case WM8996_DSP1_TX_RIGHT_VOLUME:
1517 case WM8996_DSP1_RX_LEFT_VOLUME:
1518 case WM8996_DSP1_RX_RIGHT_VOLUME:
1519 case WM8996_DSP1_TX_FILTERS:
1520 case WM8996_DSP1_RX_FILTERS_1:
1521 case WM8996_DSP1_RX_FILTERS_2:
1522 case WM8996_DSP1_DRC_1:
1523 case WM8996_DSP1_DRC_2:
1524 case WM8996_DSP1_DRC_3:
1525 case WM8996_DSP1_DRC_4:
1526 case WM8996_DSP1_DRC_5:
1527 case WM8996_DSP1_RX_EQ_GAINS_1:
1528 case WM8996_DSP1_RX_EQ_GAINS_2:
1529 case WM8996_DSP1_RX_EQ_BAND_1_A:
1530 case WM8996_DSP1_RX_EQ_BAND_1_B:
1531 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1532 case WM8996_DSP1_RX_EQ_BAND_2_A:
1533 case WM8996_DSP1_RX_EQ_BAND_2_B:
1534 case WM8996_DSP1_RX_EQ_BAND_2_C:
1535 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1536 case WM8996_DSP1_RX_EQ_BAND_3_A:
1537 case WM8996_DSP1_RX_EQ_BAND_3_B:
1538 case WM8996_DSP1_RX_EQ_BAND_3_C:
1539 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1540 case WM8996_DSP1_RX_EQ_BAND_4_A:
1541 case WM8996_DSP1_RX_EQ_BAND_4_B:
1542 case WM8996_DSP1_RX_EQ_BAND_4_C:
1543 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1544 case WM8996_DSP1_RX_EQ_BAND_5_A:
1545 case WM8996_DSP1_RX_EQ_BAND_5_B:
1546 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1547 case WM8996_DSP2_TX_LEFT_VOLUME:
1548 case WM8996_DSP2_TX_RIGHT_VOLUME:
1549 case WM8996_DSP2_RX_LEFT_VOLUME:
1550 case WM8996_DSP2_RX_RIGHT_VOLUME:
1551 case WM8996_DSP2_TX_FILTERS:
1552 case WM8996_DSP2_RX_FILTERS_1:
1553 case WM8996_DSP2_RX_FILTERS_2:
1554 case WM8996_DSP2_DRC_1:
1555 case WM8996_DSP2_DRC_2:
1556 case WM8996_DSP2_DRC_3:
1557 case WM8996_DSP2_DRC_4:
1558 case WM8996_DSP2_DRC_5:
1559 case WM8996_DSP2_RX_EQ_GAINS_1:
1560 case WM8996_DSP2_RX_EQ_GAINS_2:
1561 case WM8996_DSP2_RX_EQ_BAND_1_A:
1562 case WM8996_DSP2_RX_EQ_BAND_1_B:
1563 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1564 case WM8996_DSP2_RX_EQ_BAND_2_A:
1565 case WM8996_DSP2_RX_EQ_BAND_2_B:
1566 case WM8996_DSP2_RX_EQ_BAND_2_C:
1567 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1568 case WM8996_DSP2_RX_EQ_BAND_3_A:
1569 case WM8996_DSP2_RX_EQ_BAND_3_B:
1570 case WM8996_DSP2_RX_EQ_BAND_3_C:
1571 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1572 case WM8996_DSP2_RX_EQ_BAND_4_A:
1573 case WM8996_DSP2_RX_EQ_BAND_4_B:
1574 case WM8996_DSP2_RX_EQ_BAND_4_C:
1575 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1576 case WM8996_DSP2_RX_EQ_BAND_5_A:
1577 case WM8996_DSP2_RX_EQ_BAND_5_B:
1578 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1579 case WM8996_DAC1_MIXER_VOLUMES:
1580 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1581 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1582 case WM8996_DAC2_MIXER_VOLUMES:
1583 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1584 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1585 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1586 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1587 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1588 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1589 case WM8996_DSP_TX_MIXER_SELECT:
1590 case WM8996_DAC_SOFTMUTE:
1591 case WM8996_OVERSAMPLING:
1592 case WM8996_SIDETONE:
1593 case WM8996_GPIO_1:
1594 case WM8996_GPIO_2:
1595 case WM8996_GPIO_3:
1596 case WM8996_GPIO_4:
1597 case WM8996_GPIO_5:
1598 case WM8996_PULL_CONTROL_1:
1599 case WM8996_PULL_CONTROL_2:
1600 case WM8996_INTERRUPT_STATUS_1:
1601 case WM8996_INTERRUPT_STATUS_2:
1602 case WM8996_INTERRUPT_RAW_STATUS_2:
1603 case WM8996_INTERRUPT_STATUS_1_MASK:
1604 case WM8996_INTERRUPT_STATUS_2_MASK:
1605 case WM8996_INTERRUPT_CONTROL:
1606 case WM8996_LEFT_PDM_SPEAKER:
1607 case WM8996_RIGHT_PDM_SPEAKER:
1608 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1609 case WM8996_PDM_SPEAKER_VOLUME:
1610 return 1;
1611 default:
1612 return 0;
1613 }
1614 }
1615
1616 static int wm8996_volatile_register(struct snd_soc_codec *codec,
1617 unsigned int reg)
1618 {
1619 switch (reg) {
1620 case WM8996_SOFTWARE_RESET:
1621 case WM8996_CHIP_REVISION:
1622 case WM8996_LDO_1:
1623 case WM8996_LDO_2:
1624 case WM8996_INTERRUPT_STATUS_1:
1625 case WM8996_INTERRUPT_STATUS_2:
1626 case WM8996_INTERRUPT_RAW_STATUS_2:
1627 case WM8996_DC_SERVO_READBACK_0:
1628 case WM8996_DC_SERVO_2:
1629 case WM8996_DC_SERVO_6:
1630 case WM8996_DC_SERVO_7:
1631 case WM8996_FLL_CONTROL_6:
1632 case WM8996_MIC_DETECT_3:
1633 case WM8996_HEADPHONE_DETECT_1:
1634 case WM8996_HEADPHONE_DETECT_2:
1635 return 1;
1636 default:
1637 return 0;
1638 }
1639 }
1640
1641 static int wm8996_reset(struct snd_soc_codec *codec)
1642 {
1643 return snd_soc_write(codec, WM8996_SOFTWARE_RESET, 0x8915);
1644 }
1645
1646 static const int bclk_divs[] = {
1647 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1648 };
1649
1650 static void wm8996_update_bclk(struct snd_soc_codec *codec)
1651 {
1652 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1653 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1654
1655 /* Don't bother if we're in a low frequency idle mode that
1656 * can't support audio.
1657 */
1658 if (wm8996->sysclk < 64000)
1659 return;
1660
1661 for (aif = 0; aif < WM8996_AIFS; aif++) {
1662 switch (aif) {
1663 case 0:
1664 bclk_reg = WM8996_AIF1_BCLK;
1665 break;
1666 case 1:
1667 bclk_reg = WM8996_AIF2_BCLK;
1668 break;
1669 }
1670
1671 bclk_rate = wm8996->bclk_rate[aif];
1672
1673 /* Pick a divisor for BCLK as close as we can get to ideal */
1674 best = 0;
1675 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1676 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1677 if (cur_val < 0) /* BCLK table is sorted */
1678 break;
1679 best = i;
1680 }
1681 bclk_rate = wm8996->sysclk / bclk_divs[best];
1682 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1683 bclk_divs[best], bclk_rate);
1684
1685 snd_soc_update_bits(codec, bclk_reg,
1686 WM8996_AIF1_BCLK_DIV_MASK, best);
1687 }
1688 }
1689
1690 static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1691 enum snd_soc_bias_level level)
1692 {
1693 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1694 int ret;
1695
1696 switch (level) {
1697 case SND_SOC_BIAS_ON:
1698 case SND_SOC_BIAS_PREPARE:
1699 break;
1700
1701 case SND_SOC_BIAS_STANDBY:
1702 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1703 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1704 wm8996->supplies);
1705 if (ret != 0) {
1706 dev_err(codec->dev,
1707 "Failed to enable supplies: %d\n",
1708 ret);
1709 return ret;
1710 }
1711
1712 if (wm8996->pdata.ldo_ena >= 0) {
1713 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1714 1);
1715 msleep(5);
1716 }
1717
1718 codec->cache_only = false;
1719 snd_soc_cache_sync(codec);
1720 }
1721 break;
1722
1723 case SND_SOC_BIAS_OFF:
1724 codec->cache_only = true;
1725 if (wm8996->pdata.ldo_ena >= 0)
1726 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1727 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1728 wm8996->supplies);
1729 break;
1730 }
1731
1732 codec->dapm.bias_level = level;
1733
1734 return 0;
1735 }
1736
1737 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1738 {
1739 struct snd_soc_codec *codec = dai->codec;
1740 int aifctrl = 0;
1741 int bclk = 0;
1742 int lrclk_tx = 0;
1743 int lrclk_rx = 0;
1744 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1745
1746 switch (dai->id) {
1747 case 0:
1748 aifctrl_reg = WM8996_AIF1_CONTROL;
1749 bclk_reg = WM8996_AIF1_BCLK;
1750 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1751 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1752 break;
1753 case 1:
1754 aifctrl_reg = WM8996_AIF2_CONTROL;
1755 bclk_reg = WM8996_AIF2_BCLK;
1756 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1757 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1758 break;
1759 default:
1760 BUG();
1761 return -EINVAL;
1762 }
1763
1764 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1765 case SND_SOC_DAIFMT_NB_NF:
1766 break;
1767 case SND_SOC_DAIFMT_IB_NF:
1768 bclk |= WM8996_AIF1_BCLK_INV;
1769 break;
1770 case SND_SOC_DAIFMT_NB_IF:
1771 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1772 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1773 break;
1774 case SND_SOC_DAIFMT_IB_IF:
1775 bclk |= WM8996_AIF1_BCLK_INV;
1776 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1777 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1778 break;
1779 }
1780
1781 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1782 case SND_SOC_DAIFMT_CBS_CFS:
1783 break;
1784 case SND_SOC_DAIFMT_CBS_CFM:
1785 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1786 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1787 break;
1788 case SND_SOC_DAIFMT_CBM_CFS:
1789 bclk |= WM8996_AIF1_BCLK_MSTR;
1790 break;
1791 case SND_SOC_DAIFMT_CBM_CFM:
1792 bclk |= WM8996_AIF1_BCLK_MSTR;
1793 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1794 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1795 break;
1796 default:
1797 return -EINVAL;
1798 }
1799
1800 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1801 case SND_SOC_DAIFMT_DSP_A:
1802 break;
1803 case SND_SOC_DAIFMT_DSP_B:
1804 aifctrl |= 1;
1805 break;
1806 case SND_SOC_DAIFMT_I2S:
1807 aifctrl |= 2;
1808 break;
1809 case SND_SOC_DAIFMT_LEFT_J:
1810 aifctrl |= 3;
1811 break;
1812 default:
1813 return -EINVAL;
1814 }
1815
1816 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1817 snd_soc_update_bits(codec, bclk_reg,
1818 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1819 bclk);
1820 snd_soc_update_bits(codec, lrclk_tx_reg,
1821 WM8996_AIF1TX_LRCLK_INV |
1822 WM8996_AIF1TX_LRCLK_MSTR,
1823 lrclk_tx);
1824 snd_soc_update_bits(codec, lrclk_rx_reg,
1825 WM8996_AIF1RX_LRCLK_INV |
1826 WM8996_AIF1RX_LRCLK_MSTR,
1827 lrclk_rx);
1828
1829 return 0;
1830 }
1831
1832 static const int dsp_divs[] = {
1833 48000, 32000, 16000, 8000
1834 };
1835
1836 static int wm8996_hw_params(struct snd_pcm_substream *substream,
1837 struct snd_pcm_hw_params *params,
1838 struct snd_soc_dai *dai)
1839 {
1840 struct snd_soc_codec *codec = dai->codec;
1841 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1842 int bits, i, bclk_rate;
1843 int aifdata = 0;
1844 int lrclk = 0;
1845 int dsp = 0;
1846 int aifdata_reg, lrclk_reg, dsp_shift;
1847
1848 switch (dai->id) {
1849 case 0:
1850 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1851 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1852 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1853 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1854 } else {
1855 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1856 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1857 }
1858 dsp_shift = 0;
1859 break;
1860 case 1:
1861 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1862 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1863 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1864 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1865 } else {
1866 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1867 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1868 }
1869 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1870 break;
1871 default:
1872 BUG();
1873 return -EINVAL;
1874 }
1875
1876 bclk_rate = snd_soc_params_to_bclk(params);
1877 if (bclk_rate < 0) {
1878 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1879 return bclk_rate;
1880 }
1881
1882 wm8996->bclk_rate[dai->id] = bclk_rate;
1883 wm8996->rx_rate[dai->id] = params_rate(params);
1884
1885 /* Needs looking at for TDM */
1886 bits = snd_pcm_format_width(params_format(params));
1887 if (bits < 0)
1888 return bits;
1889 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1890
1891 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1892 if (dsp_divs[i] == params_rate(params))
1893 break;
1894 }
1895 if (i == ARRAY_SIZE(dsp_divs)) {
1896 dev_err(codec->dev, "Unsupported sample rate %dHz\n",
1897 params_rate(params));
1898 return -EINVAL;
1899 }
1900 dsp |= i << dsp_shift;
1901
1902 wm8996_update_bclk(codec);
1903
1904 lrclk = bclk_rate / params_rate(params);
1905 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1906 lrclk, bclk_rate / lrclk);
1907
1908 snd_soc_update_bits(codec, aifdata_reg,
1909 WM8996_AIF1TX_WL_MASK |
1910 WM8996_AIF1TX_SLOT_LEN_MASK,
1911 aifdata);
1912 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1913 lrclk);
1914 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1915 WM8996_DSP1_DIV_SHIFT << dsp_shift, dsp);
1916
1917 return 0;
1918 }
1919
1920 static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1921 int clk_id, unsigned int freq, int dir)
1922 {
1923 struct snd_soc_codec *codec = dai->codec;
1924 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1925 int lfclk = 0;
1926 int ratediv = 0;
1927 int src;
1928 int old;
1929
1930 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1931 return 0;
1932
1933 /* Disable SYSCLK while we reconfigure */
1934 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1935 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1936 WM8996_SYSCLK_ENA, 0);
1937
1938 switch (clk_id) {
1939 case WM8996_SYSCLK_MCLK1:
1940 wm8996->sysclk = freq;
1941 src = 0;
1942 break;
1943 case WM8996_SYSCLK_MCLK2:
1944 wm8996->sysclk = freq;
1945 src = 1;
1946 break;
1947 case WM8996_SYSCLK_FLL:
1948 wm8996->sysclk = freq;
1949 src = 2;
1950 break;
1951 default:
1952 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1953 return -EINVAL;
1954 }
1955
1956 switch (wm8996->sysclk) {
1957 case 6144000:
1958 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1959 WM8996_SYSCLK_RATE, 0);
1960 break;
1961 case 24576000:
1962 ratediv = WM8996_SYSCLK_DIV;
1963 case 12288000:
1964 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1965 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1966 break;
1967 case 32000:
1968 case 32768:
1969 lfclk = WM8996_LFCLK_ENA;
1970 break;
1971 default:
1972 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1973 wm8996->sysclk);
1974 return -EINVAL;
1975 }
1976
1977 wm8996_update_bclk(codec);
1978
1979 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1980 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1981 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1982 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1983 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1984 WM8996_SYSCLK_ENA, old);
1985
1986 wm8996->sysclk_src = clk_id;
1987
1988 return 0;
1989 }
1990
1991 struct _fll_div {
1992 u16 fll_fratio;
1993 u16 fll_outdiv;
1994 u16 fll_refclk_div;
1995 u16 fll_loop_gain;
1996 u16 fll_ref_freq;
1997 u16 n;
1998 u16 theta;
1999 u16 lambda;
2000 };
2001
2002 static struct {
2003 unsigned int min;
2004 unsigned int max;
2005 u16 fll_fratio;
2006 int ratio;
2007 } fll_fratios[] = {
2008 { 0, 64000, 4, 16 },
2009 { 64000, 128000, 3, 8 },
2010 { 128000, 256000, 2, 4 },
2011 { 256000, 1000000, 1, 2 },
2012 { 1000000, 13500000, 0, 1 },
2013 };
2014
2015 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
2016 unsigned int Fout)
2017 {
2018 unsigned int target;
2019 unsigned int div;
2020 unsigned int fratio, gcd_fll;
2021 int i;
2022
2023 /* Fref must be <=13.5MHz */
2024 div = 1;
2025 fll_div->fll_refclk_div = 0;
2026 while ((Fref / div) > 13500000) {
2027 div *= 2;
2028 fll_div->fll_refclk_div++;
2029
2030 if (div > 8) {
2031 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
2032 Fref);
2033 return -EINVAL;
2034 }
2035 }
2036
2037 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
2038
2039 /* Apply the division for our remaining calculations */
2040 Fref /= div;
2041
2042 if (Fref >= 3000000)
2043 fll_div->fll_loop_gain = 5;
2044 else
2045 fll_div->fll_loop_gain = 0;
2046
2047 if (Fref >= 48000)
2048 fll_div->fll_ref_freq = 0;
2049 else
2050 fll_div->fll_ref_freq = 1;
2051
2052 /* Fvco should be 90-100MHz; don't check the upper bound */
2053 div = 2;
2054 while (Fout * div < 90000000) {
2055 div++;
2056 if (div > 64) {
2057 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
2058 Fout);
2059 return -EINVAL;
2060 }
2061 }
2062 target = Fout * div;
2063 fll_div->fll_outdiv = div - 1;
2064
2065 pr_debug("FLL Fvco=%dHz\n", target);
2066
2067 /* Find an appropraite FLL_FRATIO and factor it out of the target */
2068 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
2069 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
2070 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
2071 fratio = fll_fratios[i].ratio;
2072 break;
2073 }
2074 }
2075 if (i == ARRAY_SIZE(fll_fratios)) {
2076 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
2077 return -EINVAL;
2078 }
2079
2080 fll_div->n = target / (fratio * Fref);
2081
2082 if (target % Fref == 0) {
2083 fll_div->theta = 0;
2084 fll_div->lambda = 0;
2085 } else {
2086 gcd_fll = gcd(target, fratio * Fref);
2087
2088 fll_div->theta = (target - (fll_div->n * fratio * Fref))
2089 / gcd_fll;
2090 fll_div->lambda = (fratio * Fref) / gcd_fll;
2091 }
2092
2093 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
2094 fll_div->n, fll_div->theta, fll_div->lambda);
2095 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
2096 fll_div->fll_fratio, fll_div->fll_outdiv,
2097 fll_div->fll_refclk_div);
2098
2099 return 0;
2100 }
2101
2102 static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2103 unsigned int Fref, unsigned int Fout)
2104 {
2105 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2106 struct i2c_client *i2c = to_i2c_client(codec->dev);
2107 struct _fll_div fll_div;
2108 unsigned long timeout;
2109 int ret, reg, retry;
2110
2111 /* Any change? */
2112 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2113 Fout == wm8996->fll_fout)
2114 return 0;
2115
2116 if (Fout == 0) {
2117 dev_dbg(codec->dev, "FLL disabled\n");
2118
2119 wm8996->fll_fref = 0;
2120 wm8996->fll_fout = 0;
2121
2122 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2123 WM8996_FLL_ENA, 0);
2124
2125 wm8996_bg_disable(codec);
2126
2127 return 0;
2128 }
2129
2130 ret = fll_factors(&fll_div, Fref, Fout);
2131 if (ret != 0)
2132 return ret;
2133
2134 switch (source) {
2135 case WM8996_FLL_MCLK1:
2136 reg = 0;
2137 break;
2138 case WM8996_FLL_MCLK2:
2139 reg = 1;
2140 break;
2141 case WM8996_FLL_DACLRCLK1:
2142 reg = 2;
2143 break;
2144 case WM8996_FLL_BCLK1:
2145 reg = 3;
2146 break;
2147 default:
2148 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2149 return -EINVAL;
2150 }
2151
2152 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2153 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2154
2155 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2156 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2157 WM8996_FLL_REFCLK_SRC_MASK, reg);
2158
2159 reg = 0;
2160 if (fll_div.theta || fll_div.lambda)
2161 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2162 else
2163 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2164 snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2165
2166 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2167 WM8996_FLL_OUTDIV_MASK |
2168 WM8996_FLL_FRATIO_MASK,
2169 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2170 (fll_div.fll_fratio));
2171
2172 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2173
2174 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2175 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2176 (fll_div.n << WM8996_FLL_N_SHIFT) |
2177 fll_div.fll_loop_gain);
2178
2179 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2180
2181 /* Enable the bandgap if it's not already enabled */
2182 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2183 if (!(ret & WM8996_FLL_ENA))
2184 wm8996_bg_enable(codec);
2185
2186 /* Clear any pending completions (eg, from failed startups) */
2187 try_wait_for_completion(&wm8996->fll_lock);
2188
2189 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2190 WM8996_FLL_ENA, WM8996_FLL_ENA);
2191
2192 /* The FLL supports live reconfiguration - kick that in case we were
2193 * already enabled.
2194 */
2195 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2196
2197 /* Wait for the FLL to lock, using the interrupt if possible */
2198 if (Fref > 1000000)
2199 timeout = usecs_to_jiffies(300);
2200 else
2201 timeout = msecs_to_jiffies(2);
2202
2203 /* Allow substantially longer if we've actually got the IRQ, poll
2204 * at a slightly higher rate if we don't.
2205 */
2206 if (i2c->irq)
2207 timeout *= 10;
2208 else
2209 timeout /= 2;
2210
2211 for (retry = 0; retry < 10; retry++) {
2212 ret = wait_for_completion_timeout(&wm8996->fll_lock,
2213 timeout);
2214 if (ret != 0) {
2215 WARN_ON(!i2c->irq);
2216 break;
2217 }
2218
2219 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2220 if (ret & WM8996_FLL_LOCK_STS)
2221 break;
2222 }
2223 if (retry == 10) {
2224 dev_err(codec->dev, "Timed out waiting for FLL\n");
2225 ret = -ETIMEDOUT;
2226 }
2227
2228 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2229
2230 wm8996->fll_fref = Fref;
2231 wm8996->fll_fout = Fout;
2232 wm8996->fll_src = source;
2233
2234 return ret;
2235 }
2236
2237 #ifdef CONFIG_GPIOLIB
2238 static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
2239 {
2240 return container_of(chip, struct wm8996_priv, gpio_chip);
2241 }
2242
2243 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2244 {
2245 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2246 struct snd_soc_codec *codec = wm8996->codec;
2247
2248 snd_soc_update_bits(codec, WM8996_GPIO_1 + offset,
2249 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2250 }
2251
2252 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2253 unsigned offset, int value)
2254 {
2255 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2256 struct snd_soc_codec *codec = wm8996->codec;
2257 int val;
2258
2259 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2260
2261 return snd_soc_update_bits(codec, WM8996_GPIO_1 + offset,
2262 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2263 WM8996_GP1_LVL, val);
2264 }
2265
2266 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2267 {
2268 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2269 struct snd_soc_codec *codec = wm8996->codec;
2270 int ret;
2271
2272 ret = snd_soc_read(codec, WM8996_GPIO_1 + offset);
2273 if (ret < 0)
2274 return ret;
2275
2276 return (ret & WM8996_GP1_LVL) != 0;
2277 }
2278
2279 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2280 {
2281 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2282 struct snd_soc_codec *codec = wm8996->codec;
2283
2284 return snd_soc_update_bits(codec, WM8996_GPIO_1 + offset,
2285 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2286 (1 << WM8996_GP1_FN_SHIFT) |
2287 (1 << WM8996_GP1_DIR_SHIFT));
2288 }
2289
2290 static struct gpio_chip wm8996_template_chip = {
2291 .label = "wm8996",
2292 .owner = THIS_MODULE,
2293 .direction_output = wm8996_gpio_direction_out,
2294 .set = wm8996_gpio_set,
2295 .direction_input = wm8996_gpio_direction_in,
2296 .get = wm8996_gpio_get,
2297 .can_sleep = 1,
2298 };
2299
2300 static void wm8996_init_gpio(struct snd_soc_codec *codec)
2301 {
2302 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2303 int ret;
2304
2305 wm8996->gpio_chip = wm8996_template_chip;
2306 wm8996->gpio_chip.ngpio = 5;
2307 wm8996->gpio_chip.dev = codec->dev;
2308
2309 if (wm8996->pdata.gpio_base)
2310 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2311 else
2312 wm8996->gpio_chip.base = -1;
2313
2314 ret = gpiochip_add(&wm8996->gpio_chip);
2315 if (ret != 0)
2316 dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret);
2317 }
2318
2319 static void wm8996_free_gpio(struct snd_soc_codec *codec)
2320 {
2321 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2322 int ret;
2323
2324 ret = gpiochip_remove(&wm8996->gpio_chip);
2325 if (ret != 0)
2326 dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret);
2327 }
2328 #else
2329 static void wm8996_init_gpio(struct snd_soc_codec *codec)
2330 {
2331 }
2332
2333 static void wm8996_free_gpio(struct snd_soc_codec *codec)
2334 {
2335 }
2336 #endif
2337
2338 /**
2339 * wm8996_detect - Enable default WM8996 jack detection
2340 *
2341 * The WM8996 has advanced accessory detection support for headsets.
2342 * This function provides a default implementation which integrates
2343 * the majority of this functionality with minimal user configuration.
2344 *
2345 * This will detect headset, headphone and short circuit button and
2346 * will also detect inverted microphone ground connections and update
2347 * the polarity of the connections.
2348 */
2349 int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2350 wm8996_polarity_fn polarity_cb)
2351 {
2352 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2353
2354 wm8996->jack = jack;
2355 wm8996->detecting = true;
2356 wm8996->polarity_cb = polarity_cb;
2357
2358 if (wm8996->polarity_cb)
2359 wm8996->polarity_cb(codec, 0);
2360
2361 /* Clear discarge to avoid noise during detection */
2362 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2363 WM8996_MICB1_DISCH, 0);
2364 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2365 WM8996_MICB2_DISCH, 0);
2366
2367 /* LDO2 powers the microphones, SYSCLK clocks detection */
2368 snd_soc_dapm_force_enable_pin(&codec->dapm, "LDO2");
2369 snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK");
2370
2371 /* We start off just enabling microphone detection - even a
2372 * plain headphone will trigger detection.
2373 */
2374 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2375 WM8996_MICD_ENA, WM8996_MICD_ENA);
2376
2377 /* Slowest detection rate, gives debounce for initial detection */
2378 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2379 WM8996_MICD_RATE_MASK,
2380 WM8996_MICD_RATE_MASK);
2381
2382 /* Enable interrupts and we're off */
2383 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2384 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2385
2386 return 0;
2387 }
2388 EXPORT_SYMBOL_GPL(wm8996_detect);
2389
2390 static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2391 {
2392 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2393 int val, reg, report;
2394
2395 /* Assume headphone in error conditions; we need to report
2396 * something or we stall our state machine.
2397 */
2398 report = SND_JACK_HEADPHONE;
2399
2400 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2401 if (reg < 0) {
2402 dev_err(codec->dev, "Failed to read HPDET status\n");
2403 goto out;
2404 }
2405
2406 if (!(reg & WM8996_HP_DONE)) {
2407 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2408 goto out;
2409 }
2410
2411 val = reg & WM8996_HP_LVL_MASK;
2412
2413 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2414
2415 /* If we've got high enough impedence then report as line,
2416 * otherwise assume headphone.
2417 */
2418 if (val >= 126)
2419 report = SND_JACK_LINEOUT;
2420 else
2421 report = SND_JACK_HEADPHONE;
2422
2423 out:
2424 if (wm8996->jack_mic)
2425 report |= SND_JACK_MICROPHONE;
2426
2427 snd_soc_jack_report(wm8996->jack, report,
2428 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2429
2430 wm8996->detecting = false;
2431
2432 /* If the output isn't running re-clamp it */
2433 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2434 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2435 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2436 WM8996_HPOUT1L_RMV_SHORT |
2437 WM8996_HPOUT1R_RMV_SHORT, 0);
2438
2439 /* Go back to looking at the microphone */
2440 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2441 WM8996_JD_MODE_MASK, 0);
2442 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2443 WM8996_MICD_ENA);
2444
2445 snd_soc_dapm_disable_pin(&codec->dapm, "Bandgap");
2446 snd_soc_dapm_sync(&codec->dapm);
2447 }
2448
2449 static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2450 {
2451 /* Unclamp the output, we can't measure while we're shorting it */
2452 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2453 WM8996_HPOUT1L_RMV_SHORT |
2454 WM8996_HPOUT1R_RMV_SHORT,
2455 WM8996_HPOUT1L_RMV_SHORT |
2456 WM8996_HPOUT1R_RMV_SHORT);
2457
2458 /* We need bandgap for HPDET */
2459 snd_soc_dapm_force_enable_pin(&codec->dapm, "Bandgap");
2460 snd_soc_dapm_sync(&codec->dapm);
2461
2462 /* Go into headphone detect left mode */
2463 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2464 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2465 WM8996_JD_MODE_MASK, 1);
2466
2467 /* Trigger a measurement */
2468 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2469 WM8996_HP_POLL, WM8996_HP_POLL);
2470 }
2471
2472 static void wm8996_micd(struct snd_soc_codec *codec)
2473 {
2474 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2475 int val, reg;
2476
2477 val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2478
2479 dev_dbg(codec->dev, "Microphone event: %x\n", val);
2480
2481 if (!(val & WM8996_MICD_VALID)) {
2482 dev_warn(codec->dev, "Microphone detection state invalid\n");
2483 return;
2484 }
2485
2486 /* No accessory, reset everything and report removal */
2487 if (!(val & WM8996_MICD_STS)) {
2488 dev_dbg(codec->dev, "Jack removal detected\n");
2489 wm8996->jack_mic = false;
2490 wm8996->detecting = true;
2491 snd_soc_jack_report(wm8996->jack, 0,
2492 SND_JACK_LINEOUT | SND_JACK_HEADSET |
2493 SND_JACK_BTN_0);
2494
2495 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2496 WM8996_MICD_RATE_MASK,
2497 WM8996_MICD_RATE_MASK);
2498 return;
2499 }
2500
2501 /* If the measurement is very high we've got a microphone,
2502 * either we just detected one or if we already reported then
2503 * we've got a button release event.
2504 */
2505 if (val & 0x400) {
2506 if (wm8996->detecting) {
2507 dev_dbg(codec->dev, "Microphone detected\n");
2508 wm8996->jack_mic = true;
2509 wm8996_hpdet_start(codec);
2510
2511 /* Increase poll rate to give better responsiveness
2512 * for buttons */
2513 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2514 WM8996_MICD_RATE_MASK,
2515 5 << WM8996_MICD_RATE_SHIFT);
2516 } else {
2517 dev_dbg(codec->dev, "Mic button up\n");
2518 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2519 }
2520
2521 return;
2522 }
2523
2524 /* If we detected a lower impedence during initial startup
2525 * then we probably have the wrong polarity, flip it. Don't
2526 * do this for the lowest impedences to speed up detection of
2527 * plain headphones.
2528 */
2529 if (wm8996->detecting && (val & 0x3f0)) {
2530 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2531 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2532 WM8996_MICD_BIAS_SRC;
2533 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2534 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2535 WM8996_MICD_BIAS_SRC, reg);
2536
2537 if (wm8996->polarity_cb)
2538 wm8996->polarity_cb(codec,
2539 (reg & WM8996_MICD_SRC) != 0);
2540
2541 dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2542 (reg & WM8996_MICD_SRC) != 0);
2543
2544 return;
2545 }
2546
2547 /* Don't distinguish between buttons, just report any low
2548 * impedence as BTN_0.
2549 */
2550 if (val & 0x3fc) {
2551 if (wm8996->jack_mic) {
2552 dev_dbg(codec->dev, "Mic button detected\n");
2553 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2554 SND_JACK_BTN_0);
2555 } else if (wm8996->detecting) {
2556 dev_dbg(codec->dev, "Headphone detected\n");
2557 wm8996_hpdet_start(codec);
2558
2559 /* Increase the detection rate a bit for
2560 * responsiveness.
2561 */
2562 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2563 WM8996_MICD_RATE_MASK,
2564 7 << WM8996_MICD_RATE_SHIFT);
2565 }
2566 }
2567 }
2568
2569 static irqreturn_t wm8996_irq(int irq, void *data)
2570 {
2571 struct snd_soc_codec *codec = data;
2572 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2573 int irq_val;
2574
2575 irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2576 if (irq_val < 0) {
2577 dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2578 irq_val);
2579 return IRQ_NONE;
2580 }
2581 irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2582
2583 if (!irq_val)
2584 return IRQ_NONE;
2585
2586 snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2587
2588 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2589 dev_dbg(codec->dev, "DC servo IRQ\n");
2590 complete(&wm8996->dcs_done);
2591 }
2592
2593 if (irq_val & WM8996_FIFOS_ERR_EINT)
2594 dev_err(codec->dev, "Digital core FIFO error\n");
2595
2596 if (irq_val & WM8996_FLL_LOCK_EINT) {
2597 dev_dbg(codec->dev, "FLL locked\n");
2598 complete(&wm8996->fll_lock);
2599 }
2600
2601 if (irq_val & WM8996_MICD_EINT)
2602 wm8996_micd(codec);
2603
2604 if (irq_val & WM8996_HP_DONE_EINT)
2605 wm8996_hpdet_irq(codec);
2606
2607 return IRQ_HANDLED;
2608 }
2609
2610 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2611 {
2612 irqreturn_t ret = IRQ_NONE;
2613 irqreturn_t val;
2614
2615 do {
2616 val = wm8996_irq(irq, data);
2617 if (val != IRQ_NONE)
2618 ret = val;
2619 } while (val != IRQ_NONE);
2620
2621 return ret;
2622 }
2623
2624 static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2625 {
2626 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2627 struct wm8996_pdata *pdata = &wm8996->pdata;
2628
2629 struct snd_kcontrol_new controls[] = {
2630 SOC_ENUM_EXT("DSP1 EQ Mode",
2631 wm8996->retune_mobile_enum,
2632 wm8996_get_retune_mobile_enum,
2633 wm8996_put_retune_mobile_enum),
2634 SOC_ENUM_EXT("DSP2 EQ Mode",
2635 wm8996->retune_mobile_enum,
2636 wm8996_get_retune_mobile_enum,
2637 wm8996_put_retune_mobile_enum),
2638 };
2639 int ret, i, j;
2640 const char **t;
2641
2642 /* We need an array of texts for the enum API but the number
2643 * of texts is likely to be less than the number of
2644 * configurations due to the sample rate dependency of the
2645 * configurations. */
2646 wm8996->num_retune_mobile_texts = 0;
2647 wm8996->retune_mobile_texts = NULL;
2648 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2649 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2650 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2651 wm8996->retune_mobile_texts[j]) == 0)
2652 break;
2653 }
2654
2655 if (j != wm8996->num_retune_mobile_texts)
2656 continue;
2657
2658 /* Expand the array... */
2659 t = krealloc(wm8996->retune_mobile_texts,
2660 sizeof(char *) *
2661 (wm8996->num_retune_mobile_texts + 1),
2662 GFP_KERNEL);
2663 if (t == NULL)
2664 continue;
2665
2666 /* ...store the new entry... */
2667 t[wm8996->num_retune_mobile_texts] =
2668 pdata->retune_mobile_cfgs[i].name;
2669
2670 /* ...and remember the new version. */
2671 wm8996->num_retune_mobile_texts++;
2672 wm8996->retune_mobile_texts = t;
2673 }
2674
2675 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2676 wm8996->num_retune_mobile_texts);
2677
2678 wm8996->retune_mobile_enum.max = wm8996->num_retune_mobile_texts;
2679 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2680
2681 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
2682 if (ret != 0)
2683 dev_err(codec->dev,
2684 "Failed to add ReTune Mobile controls: %d\n", ret);
2685 }
2686
2687 static int wm8996_probe(struct snd_soc_codec *codec)
2688 {
2689 int ret;
2690 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2691 struct i2c_client *i2c = to_i2c_client(codec->dev);
2692 struct snd_soc_dapm_context *dapm = &codec->dapm;
2693 int i, irq_flags;
2694
2695 wm8996->codec = codec;
2696
2697 init_completion(&wm8996->dcs_done);
2698 init_completion(&wm8996->fll_lock);
2699
2700 dapm->idle_bias_off = true;
2701 dapm->bias_level = SND_SOC_BIAS_OFF;
2702
2703 ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_I2C);
2704 if (ret != 0) {
2705 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2706 goto err;
2707 }
2708
2709 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2710 wm8996->supplies[i].supply = wm8996_supply_names[i];
2711
2712 ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8996->supplies),
2713 wm8996->supplies);
2714 if (ret != 0) {
2715 dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
2716 goto err;
2717 }
2718
2719 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2720 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2721 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2722
2723 wm8996->cpvdd = regulator_get(&i2c->dev, "CPVDD");
2724 if (IS_ERR(wm8996->cpvdd)) {
2725 ret = PTR_ERR(wm8996->cpvdd);
2726 dev_err(&i2c->dev, "Failed to get CPVDD: %d\n", ret);
2727 goto err_get;
2728 }
2729
2730 /* This should really be moved into the regulator core */
2731 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2732 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2733 &wm8996->disable_nb[i]);
2734 if (ret != 0) {
2735 dev_err(codec->dev,
2736 "Failed to register regulator notifier: %d\n",
2737 ret);
2738 }
2739 }
2740
2741 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2742 wm8996->supplies);
2743 if (ret != 0) {
2744 dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
2745 goto err_cpvdd;
2746 }
2747
2748 if (wm8996->pdata.ldo_ena >= 0) {
2749 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2750 msleep(5);
2751 }
2752
2753 ret = snd_soc_read(codec, WM8996_SOFTWARE_RESET);
2754 if (ret < 0) {
2755 dev_err(codec->dev, "Failed to read ID register: %d\n", ret);
2756 goto err_enable;
2757 }
2758 if (ret != 0x8915) {
2759 dev_err(codec->dev, "Device is not a WM8996, ID %x\n", ret);
2760 ret = -EINVAL;
2761 goto err_enable;
2762 }
2763
2764 ret = snd_soc_read(codec, WM8996_CHIP_REVISION);
2765 if (ret < 0) {
2766 dev_err(codec->dev, "Failed to read device revision: %d\n",
2767 ret);
2768 goto err_enable;
2769 }
2770
2771 dev_info(codec->dev, "revision %c\n",
2772 (ret & WM8996_CHIP_REV_MASK) + 'A');
2773
2774 if (wm8996->pdata.ldo_ena >= 0) {
2775 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2776 } else {
2777 ret = wm8996_reset(codec);
2778 if (ret < 0) {
2779 dev_err(codec->dev, "Failed to issue reset\n");
2780 goto err_enable;
2781 }
2782 }
2783
2784 codec->cache_only = true;
2785
2786 /* Apply platform data settings */
2787 snd_soc_update_bits(codec, WM8996_LINE_INPUT_CONTROL,
2788 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2789 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2790 wm8996->pdata.inr_mode);
2791
2792 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2793 if (!wm8996->pdata.gpio_default[i])
2794 continue;
2795
2796 snd_soc_write(codec, WM8996_GPIO_1 + i,
2797 wm8996->pdata.gpio_default[i] & 0xffff);
2798 }
2799
2800 if (wm8996->pdata.spkmute_seq)
2801 snd_soc_update_bits(codec, WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2802 WM8996_SPK_MUTE_ENDIAN |
2803 WM8996_SPK_MUTE_SEQ1_MASK,
2804 wm8996->pdata.spkmute_seq);
2805
2806 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2807 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2808 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2809
2810 /* Latch volume update bits */
2811 snd_soc_update_bits(codec, WM8996_LEFT_LINE_INPUT_VOLUME,
2812 WM8996_IN1_VU, WM8996_IN1_VU);
2813 snd_soc_update_bits(codec, WM8996_RIGHT_LINE_INPUT_VOLUME,
2814 WM8996_IN1_VU, WM8996_IN1_VU);
2815
2816 snd_soc_update_bits(codec, WM8996_DAC1_LEFT_VOLUME,
2817 WM8996_DAC1_VU, WM8996_DAC1_VU);
2818 snd_soc_update_bits(codec, WM8996_DAC1_RIGHT_VOLUME,
2819 WM8996_DAC1_VU, WM8996_DAC1_VU);
2820 snd_soc_update_bits(codec, WM8996_DAC2_LEFT_VOLUME,
2821 WM8996_DAC2_VU, WM8996_DAC2_VU);
2822 snd_soc_update_bits(codec, WM8996_DAC2_RIGHT_VOLUME,
2823 WM8996_DAC2_VU, WM8996_DAC2_VU);
2824
2825 snd_soc_update_bits(codec, WM8996_OUTPUT1_LEFT_VOLUME,
2826 WM8996_DAC1_VU, WM8996_DAC1_VU);
2827 snd_soc_update_bits(codec, WM8996_OUTPUT1_RIGHT_VOLUME,
2828 WM8996_DAC1_VU, WM8996_DAC1_VU);
2829 snd_soc_update_bits(codec, WM8996_OUTPUT2_LEFT_VOLUME,
2830 WM8996_DAC2_VU, WM8996_DAC2_VU);
2831 snd_soc_update_bits(codec, WM8996_OUTPUT2_RIGHT_VOLUME,
2832 WM8996_DAC2_VU, WM8996_DAC2_VU);
2833
2834 snd_soc_update_bits(codec, WM8996_DSP1_TX_LEFT_VOLUME,
2835 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2836 snd_soc_update_bits(codec, WM8996_DSP1_TX_RIGHT_VOLUME,
2837 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2838 snd_soc_update_bits(codec, WM8996_DSP2_TX_LEFT_VOLUME,
2839 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2840 snd_soc_update_bits(codec, WM8996_DSP2_TX_RIGHT_VOLUME,
2841 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2842
2843 snd_soc_update_bits(codec, WM8996_DSP1_RX_LEFT_VOLUME,
2844 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2845 snd_soc_update_bits(codec, WM8996_DSP1_RX_RIGHT_VOLUME,
2846 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2847 snd_soc_update_bits(codec, WM8996_DSP2_RX_LEFT_VOLUME,
2848 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2849 snd_soc_update_bits(codec, WM8996_DSP2_RX_RIGHT_VOLUME,
2850 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2851
2852 /* No support currently for the underclocked TDM modes and
2853 * pick a default TDM layout with each channel pair working with
2854 * slots 0 and 1. */
2855 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2856 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2857 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2858 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2859 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2860 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2861 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2862 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2863 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2864 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2865 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2866 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2867 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2868 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2869 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2870 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2871 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2872 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2873 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2874 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2875 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2876 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2877 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2878 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2879
2880 snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2881 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2882 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2883 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2884 snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2885 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2886 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2887 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2888
2889 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2890 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2891 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2892 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2893 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2894 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2895 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2896 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2897 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2898 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2899 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2900 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2901 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2902 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2903 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2904 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
2905 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
2906 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
2907 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2908 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
2909 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
2910 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
2911 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2912 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
2913
2914 snd_soc_update_bits(codec, WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
2915 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
2916 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
2917 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
2918 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2919 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
2920 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
2921 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2922
2923 if (wm8996->pdata.num_retune_mobile_cfgs)
2924 wm8996_retune_mobile_pdata(codec);
2925 else
2926 snd_soc_add_controls(codec, wm8996_eq_controls,
2927 ARRAY_SIZE(wm8996_eq_controls));
2928
2929 /* If the TX LRCLK pins are not in LRCLK mode configure the
2930 * AIFs to source their clocks from the RX LRCLKs.
2931 */
2932 if ((snd_soc_read(codec, WM8996_GPIO_1)))
2933 snd_soc_update_bits(codec, WM8996_AIF1_TX_LRCLK_2,
2934 WM8996_AIF1TX_LRCLK_MODE,
2935 WM8996_AIF1TX_LRCLK_MODE);
2936
2937 if ((snd_soc_read(codec, WM8996_GPIO_2)))
2938 snd_soc_update_bits(codec, WM8996_AIF2_TX_LRCLK_2,
2939 WM8996_AIF2TX_LRCLK_MODE,
2940 WM8996_AIF2TX_LRCLK_MODE);
2941
2942 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2943
2944 wm8996_init_gpio(codec);
2945
2946 if (i2c->irq) {
2947 if (wm8996->pdata.irq_flags)
2948 irq_flags = wm8996->pdata.irq_flags;
2949 else
2950 irq_flags = IRQF_TRIGGER_LOW;
2951
2952 irq_flags |= IRQF_ONESHOT;
2953
2954 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2955 ret = request_threaded_irq(i2c->irq, NULL,
2956 wm8996_edge_irq,
2957 irq_flags, "wm8996", codec);
2958 else
2959 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2960 irq_flags, "wm8996", codec);
2961
2962 if (ret == 0) {
2963 /* Unmask the interrupt */
2964 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2965 WM8996_IM_IRQ, 0);
2966
2967 /* Enable error reporting and DC servo status */
2968 snd_soc_update_bits(codec,
2969 WM8996_INTERRUPT_STATUS_2_MASK,
2970 WM8996_IM_DCS_DONE_23_EINT |
2971 WM8996_IM_DCS_DONE_01_EINT |
2972 WM8996_IM_FLL_LOCK_EINT |
2973 WM8996_IM_FIFOS_ERR_EINT,
2974 0);
2975 } else {
2976 dev_err(codec->dev, "Failed to request IRQ: %d\n",
2977 ret);
2978 }
2979 }
2980
2981 return 0;
2982
2983 err_enable:
2984 if (wm8996->pdata.ldo_ena >= 0)
2985 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2986
2987 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2988 err_cpvdd:
2989 regulator_put(wm8996->cpvdd);
2990 err_get:
2991 regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2992 err:
2993 return ret;
2994 }
2995
2996 static int wm8996_remove(struct snd_soc_codec *codec)
2997 {
2998 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2999 struct i2c_client *i2c = to_i2c_client(codec->dev);
3000 int i;
3001
3002 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
3003 WM8996_IM_IRQ, WM8996_IM_IRQ);
3004
3005 if (i2c->irq)
3006 free_irq(i2c->irq, codec);
3007
3008 wm8996_free_gpio(codec);
3009
3010 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3011 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3012 &wm8996->disable_nb[i]);
3013 regulator_put(wm8996->cpvdd);
3014 regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3015
3016 return 0;
3017 }
3018
3019 static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
3020 .probe = wm8996_probe,
3021 .remove = wm8996_remove,
3022 .set_bias_level = wm8996_set_bias_level,
3023 .seq_notifier = wm8996_seq_notifier,
3024 .reg_cache_size = WM8996_MAX_REGISTER + 1,
3025 .reg_word_size = sizeof(u16),
3026 .reg_cache_default = wm8996_reg,
3027 .volatile_register = wm8996_volatile_register,
3028 .readable_register = wm8996_readable_register,
3029 .compress_type = SND_SOC_RBTREE_COMPRESSION,
3030 .controls = wm8996_snd_controls,
3031 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
3032 .dapm_widgets = wm8996_dapm_widgets,
3033 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
3034 .dapm_routes = wm8996_dapm_routes,
3035 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
3036 .set_pll = wm8996_set_fll,
3037 };
3038
3039 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
3040 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
3041 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
3042 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
3043 SNDRV_PCM_FMTBIT_S32_LE)
3044
3045 static struct snd_soc_dai_ops wm8996_dai_ops = {
3046 .set_fmt = wm8996_set_fmt,
3047 .hw_params = wm8996_hw_params,
3048 .set_sysclk = wm8996_set_sysclk,
3049 };
3050
3051 static struct snd_soc_dai_driver wm8996_dai[] = {
3052 {
3053 .name = "wm8996-aif1",
3054 .playback = {
3055 .stream_name = "AIF1 Playback",
3056 .channels_min = 1,
3057 .channels_max = 6,
3058 .rates = WM8996_RATES,
3059 .formats = WM8996_FORMATS,
3060 },
3061 .capture = {
3062 .stream_name = "AIF1 Capture",
3063 .channels_min = 1,
3064 .channels_max = 6,
3065 .rates = WM8996_RATES,
3066 .formats = WM8996_FORMATS,
3067 },
3068 .ops = &wm8996_dai_ops,
3069 },
3070 {
3071 .name = "wm8996-aif2",
3072 .playback = {
3073 .stream_name = "AIF2 Playback",
3074 .channels_min = 1,
3075 .channels_max = 2,
3076 .rates = WM8996_RATES,
3077 .formats = WM8996_FORMATS,
3078 },
3079 .capture = {
3080 .stream_name = "AIF2 Capture",
3081 .channels_min = 1,
3082 .channels_max = 2,
3083 .rates = WM8996_RATES,
3084 .formats = WM8996_FORMATS,
3085 },
3086 .ops = &wm8996_dai_ops,
3087 },
3088 };
3089
3090 static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
3091 const struct i2c_device_id *id)
3092 {
3093 struct wm8996_priv *wm8996;
3094 int ret;
3095
3096 wm8996 = kzalloc(sizeof(struct wm8996_priv), GFP_KERNEL);
3097 if (wm8996 == NULL)
3098 return -ENOMEM;
3099
3100 i2c_set_clientdata(i2c, wm8996);
3101
3102 if (dev_get_platdata(&i2c->dev))
3103 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
3104 sizeof(wm8996->pdata));
3105
3106 if (wm8996->pdata.ldo_ena > 0) {
3107 ret = gpio_request_one(wm8996->pdata.ldo_ena,
3108 GPIOF_OUT_INIT_LOW, "WM8996 ENA");
3109 if (ret < 0) {
3110 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
3111 wm8996->pdata.ldo_ena, ret);
3112 goto err;
3113 }
3114 }
3115
3116 ret = snd_soc_register_codec(&i2c->dev,
3117 &soc_codec_dev_wm8996, wm8996_dai,
3118 ARRAY_SIZE(wm8996_dai));
3119 if (ret < 0)
3120 goto err_gpio;
3121
3122 return ret;
3123
3124 err_gpio:
3125 if (wm8996->pdata.ldo_ena > 0)
3126 gpio_free(wm8996->pdata.ldo_ena);
3127 err:
3128 kfree(wm8996);
3129
3130 return ret;
3131 }
3132
3133 static __devexit int wm8996_i2c_remove(struct i2c_client *client)
3134 {
3135 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3136
3137 snd_soc_unregister_codec(&client->dev);
3138 if (wm8996->pdata.ldo_ena > 0)
3139 gpio_free(wm8996->pdata.ldo_ena);
3140 kfree(i2c_get_clientdata(client));
3141 return 0;
3142 }
3143
3144 static const struct i2c_device_id wm8996_i2c_id[] = {
3145 { "wm8996", 0 },
3146 { }
3147 };
3148 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3149
3150 static struct i2c_driver wm8996_i2c_driver = {
3151 .driver = {
3152 .name = "wm8996",
3153 .owner = THIS_MODULE,
3154 },
3155 .probe = wm8996_i2c_probe,
3156 .remove = __devexit_p(wm8996_i2c_remove),
3157 .id_table = wm8996_i2c_id,
3158 };
3159
3160 static int __init wm8996_modinit(void)
3161 {
3162 int ret;
3163
3164 ret = i2c_add_driver(&wm8996_i2c_driver);
3165 if (ret != 0) {
3166 printk(KERN_ERR "Failed to register WM8996 I2C driver: %d\n",
3167 ret);
3168 }
3169
3170 return ret;
3171 }
3172 module_init(wm8996_modinit);
3173
3174 static void __exit wm8996_exit(void)
3175 {
3176 i2c_del_driver(&wm8996_i2c_driver);
3177 }
3178 module_exit(wm8996_exit);
3179
3180 MODULE_DESCRIPTION("ASoC WM8996 driver");
3181 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3182 MODULE_LICENSE("GPL");