ASoC: Disable register synchronisation for low frequency WM8996 SYSCLK
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / sound / soc / codecs / wm8996.c
blobe2afc054487bad694a101128020e1301724964fc
1 /*
2 * wm8996.c - WM8996 audio codec interface
4 * Copyright 2011 Wolfson Microelectronics PLC.
5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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.
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>
34 #include <sound/wm8996.h>
35 #include "wm8996.h"
37 #define WM8996_AIFS 2
39 #define HPOUT1L 1
40 #define HPOUT1R 2
41 #define HPOUT2L 4
42 #define HPOUT2R 8
44 #define WM8996_NUM_SUPPLIES 3
45 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
46 "DBVDD",
47 "AVDD1",
48 "AVDD2",
51 struct wm8996_priv {
52 struct snd_soc_codec *codec;
54 int ldo1ena;
56 int sysclk;
57 int sysclk_src;
59 int fll_src;
60 int fll_fref;
61 int fll_fout;
63 struct completion fll_lock;
65 u16 dcs_pending;
66 struct completion dcs_done;
68 u16 hpout_ena;
69 u16 hpout_pending;
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;
76 struct wm8996_pdata pdata;
78 int rx_rate[WM8996_AIFS];
79 int bclk_rate[WM8996_AIFS];
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;
87 struct snd_soc_jack *jack;
88 bool detecting;
89 bool jack_mic;
90 wm8996_polarity_fn polarity_cb;
92 #ifdef CONFIG_GPIOLIB
93 struct gpio_chip gpio_chip;
94 #endif
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().
101 #define WM8996_REGULATOR_EVENT(n) \
102 static int wm8996_regulator_event_##n(struct notifier_block *nb, \
103 unsigned long event, void *data) \
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; \
110 return 0; \
113 WM8996_REGULATOR_EVENT(0)
114 WM8996_REGULATOR_EVENT(1)
115 WM8996_REGULATOR_EVENT(2)
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,
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);
419 static const char *sidetone_hpf_text[] = {
420 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
423 static const struct soc_enum sidetone_hpf =
424 SOC_ENUM_SINGLE(WM8996_SIDETONE, 7, 7, sidetone_hpf_text);
426 static const char *hpf_mode_text[] = {
427 "HiFi", "Custom", "Voice"
430 static const struct soc_enum dsp1tx_hpf_mode =
431 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 3, 3, hpf_mode_text);
433 static const struct soc_enum dsp2tx_hpf_mode =
434 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 3, 3, hpf_mode_text);
436 static const char *hpf_cutoff_text[] = {
437 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
440 static const struct soc_enum dsp1tx_hpf_cutoff =
441 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 0, 7, hpf_cutoff_text);
443 static const struct soc_enum dsp2tx_hpf_cutoff =
444 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 0, 7, hpf_cutoff_text);
446 static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
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;
452 if (!wm8996->num_retune_mobile_texts)
453 return;
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;
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]);
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]);
498 /* The EQ will be disabled while reconfiguring it, remember the
499 * current configuration.
501 save = snd_soc_read(codec, base);
502 save &= WM8996_DSP1RX_EQ_ENA;
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]);
508 snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
511 /* Icky as hell but saves code duplication */
512 static int wm8996_get_retune_mobile_block(const char *name)
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;
521 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
522 struct snd_ctl_elem_value *ucontrol)
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];
530 if (block < 0)
531 return block;
533 if (value >= pdata->num_retune_mobile_cfgs)
534 return -EINVAL;
536 wm8996->retune_mobile_cfg[block] = value;
538 wm8996_set_retune_mobile(codec, block);
540 return 0;
543 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
544 struct snd_ctl_elem_value *ucontrol)
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);
550 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
552 return 0;
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
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),
645 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
646 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
647 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
649 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
650 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
651 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
654 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
655 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
656 eq_tlv),
657 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
658 eq_tlv),
659 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
660 eq_tlv),
661 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
662 eq_tlv),
663 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
664 eq_tlv),
666 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
667 eq_tlv),
668 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
669 eq_tlv),
670 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
671 eq_tlv),
672 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
673 eq_tlv),
674 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
675 eq_tlv),
678 static void wm8996_bg_enable(struct snd_soc_codec *codec)
680 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
682 wm8996->bg_ena++;
683 if (wm8996->bg_ena == 1) {
684 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
685 WM8996_BG_ENA, WM8996_BG_ENA);
686 msleep(2);
690 static void wm8996_bg_disable(struct snd_soc_codec *codec)
692 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
694 wm8996->bg_ena--;
695 if (!wm8996->bg_ena)
696 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
697 WM8996_BG_ENA, 0);
700 static int bg_event(struct snd_soc_dapm_widget *w,
701 struct snd_kcontrol *kcontrol, int event)
703 struct snd_soc_codec *codec = w->codec;
704 int ret = 0;
706 switch (event) {
707 case SND_SOC_DAPM_PRE_PMU:
708 wm8996_bg_enable(codec);
709 break;
710 case SND_SOC_DAPM_POST_PMD:
711 wm8996_bg_disable(codec);
712 break;
713 default:
714 BUG();
715 ret = -EINVAL;
718 return ret;
721 static int cp_event(struct snd_soc_dapm_widget *w,
722 struct snd_kcontrol *kcontrol, int event)
724 struct snd_soc_codec *codec = w->codec;
725 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
726 int ret = 0;
728 switch (event) {
729 case SND_SOC_DAPM_PRE_PMU:
730 ret = regulator_enable(wm8996->cpvdd);
731 if (ret != 0)
732 dev_err(codec->dev, "Failed to enable CPVDD: %d\n",
733 ret);
734 break;
735 case SND_SOC_DAPM_POST_PMU:
736 msleep(5);
737 break;
738 case SND_SOC_DAPM_POST_PMD:
739 regulator_disable_deferred(wm8996->cpvdd, 20);
740 break;
741 default:
742 BUG();
743 ret = -EINVAL;
746 return ret;
749 static int rmv_short_event(struct snd_soc_dapm_widget *w,
750 struct snd_kcontrol *kcontrol, int event)
752 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
754 /* Record which outputs we enabled */
755 switch (event) {
756 case SND_SOC_DAPM_PRE_PMD:
757 wm8996->hpout_pending &= ~w->shift;
758 break;
759 case SND_SOC_DAPM_PRE_PMU:
760 wm8996->hpout_pending |= w->shift;
761 break;
762 default:
763 BUG();
764 return -EINVAL;
767 return 0;
770 static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
772 struct i2c_client *i2c = to_i2c_client(codec->dev);
773 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
774 int ret;
775 unsigned long timeout = 200;
777 snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
779 /* Use the interrupt if possible */
780 do {
781 if (i2c->irq) {
782 timeout = wait_for_completion_timeout(&wm8996->dcs_done,
783 msecs_to_jiffies(200));
784 if (timeout == 0)
785 dev_err(codec->dev, "DC servo timed out\n");
787 } else {
788 msleep(1);
789 timeout--;
792 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
793 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
794 } while (timeout && ret & mask);
796 if (timeout == 0)
797 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
798 else
799 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
802 static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
803 enum snd_soc_dapm_type event, int subseq)
805 struct snd_soc_codec *codec = container_of(dapm,
806 struct snd_soc_codec, dapm);
807 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
808 u16 val, mask;
810 /* Complete any pending DC servo starts */
811 if (wm8996->dcs_pending) {
812 dev_dbg(codec->dev, "Starting DC servo for %x\n",
813 wm8996->dcs_pending);
815 /* Trigger a startup sequence */
816 wait_for_dc_servo(codec, wm8996->dcs_pending
817 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
819 wm8996->dcs_pending = 0;
822 if (wm8996->hpout_pending != wm8996->hpout_ena) {
823 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
824 wm8996->hpout_ena, wm8996->hpout_pending);
826 val = 0;
827 mask = 0;
828 if (wm8996->hpout_pending & HPOUT1L) {
829 val |= WM8996_HPOUT1L_RMV_SHORT;
830 mask |= WM8996_HPOUT1L_RMV_SHORT;
831 } else {
832 mask |= WM8996_HPOUT1L_RMV_SHORT |
833 WM8996_HPOUT1L_OUTP |
834 WM8996_HPOUT1L_DLY;
837 if (wm8996->hpout_pending & HPOUT1R) {
838 val |= WM8996_HPOUT1R_RMV_SHORT;
839 mask |= WM8996_HPOUT1R_RMV_SHORT;
840 } else {
841 mask |= WM8996_HPOUT1R_RMV_SHORT |
842 WM8996_HPOUT1R_OUTP |
843 WM8996_HPOUT1R_DLY;
846 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
848 val = 0;
849 mask = 0;
850 if (wm8996->hpout_pending & HPOUT2L) {
851 val |= WM8996_HPOUT2L_RMV_SHORT;
852 mask |= WM8996_HPOUT2L_RMV_SHORT;
853 } else {
854 mask |= WM8996_HPOUT2L_RMV_SHORT |
855 WM8996_HPOUT2L_OUTP |
856 WM8996_HPOUT2L_DLY;
859 if (wm8996->hpout_pending & HPOUT2R) {
860 val |= WM8996_HPOUT2R_RMV_SHORT;
861 mask |= WM8996_HPOUT2R_RMV_SHORT;
862 } else {
863 mask |= WM8996_HPOUT2R_RMV_SHORT |
864 WM8996_HPOUT2R_OUTP |
865 WM8996_HPOUT2R_DLY;
868 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
870 wm8996->hpout_ena = wm8996->hpout_pending;
874 static int dcs_start(struct snd_soc_dapm_widget *w,
875 struct snd_kcontrol *kcontrol, int event)
877 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
879 switch (event) {
880 case SND_SOC_DAPM_POST_PMU:
881 wm8996->dcs_pending |= 1 << w->shift;
882 break;
883 default:
884 BUG();
885 return -EINVAL;
888 return 0;
891 static const char *sidetone_text[] = {
892 "IN1", "IN2",
895 static const struct soc_enum left_sidetone_enum =
896 SOC_ENUM_SINGLE(WM8996_SIDETONE, 0, 2, sidetone_text);
898 static const struct snd_kcontrol_new left_sidetone =
899 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
901 static const struct soc_enum right_sidetone_enum =
902 SOC_ENUM_SINGLE(WM8996_SIDETONE, 1, 2, sidetone_text);
904 static const struct snd_kcontrol_new right_sidetone =
905 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
907 static const char *spk_text[] = {
908 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
911 static const struct soc_enum spkl_enum =
912 SOC_ENUM_SINGLE(WM8996_LEFT_PDM_SPEAKER, 0, 4, spk_text);
914 static const struct snd_kcontrol_new spkl_mux =
915 SOC_DAPM_ENUM("SPKL", spkl_enum);
917 static const struct soc_enum spkr_enum =
918 SOC_ENUM_SINGLE(WM8996_RIGHT_PDM_SPEAKER, 0, 4, spk_text);
920 static const struct snd_kcontrol_new spkr_mux =
921 SOC_DAPM_ENUM("SPKR", spkr_enum);
923 static const char *dsp1rx_text[] = {
924 "AIF1", "AIF2"
927 static const struct soc_enum dsp1rx_enum =
928 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 0, 2, dsp1rx_text);
930 static const struct snd_kcontrol_new dsp1rx =
931 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
933 static const char *dsp2rx_text[] = {
934 "AIF2", "AIF1"
937 static const struct soc_enum dsp2rx_enum =
938 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 4, 2, dsp2rx_text);
940 static const struct snd_kcontrol_new dsp2rx =
941 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
943 static const char *aif2tx_text[] = {
944 "DSP2", "DSP1", "AIF1"
947 static const struct soc_enum aif2tx_enum =
948 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 6, 3, aif2tx_text);
950 static const struct snd_kcontrol_new aif2tx =
951 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
953 static const char *inmux_text[] = {
954 "ADC", "DMIC1", "DMIC2"
957 static const struct soc_enum in1_enum =
958 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 0, 3, inmux_text);
960 static const struct snd_kcontrol_new in1_mux =
961 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
963 static const struct soc_enum in2_enum =
964 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 4, 3, inmux_text);
966 static const struct snd_kcontrol_new in2_mux =
967 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
969 static const struct snd_kcontrol_new dac2r_mix[] = {
970 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
971 5, 1, 0),
972 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
973 4, 1, 0),
974 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
975 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
978 static const struct snd_kcontrol_new dac2l_mix[] = {
979 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
980 5, 1, 0),
981 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
982 4, 1, 0),
983 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
984 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
987 static const struct snd_kcontrol_new dac1r_mix[] = {
988 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
989 5, 1, 0),
990 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
991 4, 1, 0),
992 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
993 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
996 static const struct snd_kcontrol_new dac1l_mix[] = {
997 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
998 5, 1, 0),
999 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
1000 4, 1, 0),
1001 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
1002 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
1005 static const struct snd_kcontrol_new dsp1txl[] = {
1006 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
1007 1, 1, 0),
1008 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
1009 0, 1, 0),
1012 static const struct snd_kcontrol_new dsp1txr[] = {
1013 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
1014 1, 1, 0),
1015 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
1016 0, 1, 0),
1019 static const struct snd_kcontrol_new dsp2txl[] = {
1020 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
1021 1, 1, 0),
1022 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
1023 0, 1, 0),
1026 static const struct snd_kcontrol_new dsp2txr[] = {
1027 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
1028 1, 1, 0),
1029 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
1030 0, 1, 0),
1034 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
1035 SND_SOC_DAPM_INPUT("IN1LN"),
1036 SND_SOC_DAPM_INPUT("IN1LP"),
1037 SND_SOC_DAPM_INPUT("IN1RN"),
1038 SND_SOC_DAPM_INPUT("IN1RP"),
1040 SND_SOC_DAPM_INPUT("IN2LN"),
1041 SND_SOC_DAPM_INPUT("IN2LP"),
1042 SND_SOC_DAPM_INPUT("IN2RN"),
1043 SND_SOC_DAPM_INPUT("IN2RP"),
1045 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1046 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1048 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
1049 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
1050 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
1051 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
1052 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1053 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
1054 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1055 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
1056 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
1057 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
1058 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
1059 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
1061 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
1062 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
1064 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
1065 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
1066 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
1067 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
1069 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
1070 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
1072 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
1073 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
1074 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
1075 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
1077 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
1078 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
1080 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
1081 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
1083 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
1084 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
1085 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
1086 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
1088 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
1089 dsp2txl, ARRAY_SIZE(dsp2txl)),
1090 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
1091 dsp2txr, ARRAY_SIZE(dsp2txr)),
1092 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
1093 dsp1txl, ARRAY_SIZE(dsp1txl)),
1094 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
1095 dsp1txr, ARRAY_SIZE(dsp1txr)),
1097 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1098 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
1099 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1100 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
1101 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1102 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1103 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1104 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1106 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
1107 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
1108 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
1109 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
1111 SND_SOC_DAPM_AIF_IN("AIF2RX1", "AIF2 Playback", 0,
1112 WM8996_POWER_MANAGEMENT_4, 9, 0),
1113 SND_SOC_DAPM_AIF_IN("AIF2RX0", "AIF2 Playback", 1,
1114 WM8996_POWER_MANAGEMENT_4, 8, 0),
1116 SND_SOC_DAPM_AIF_OUT("AIF2TX1", "AIF2 Capture", 0,
1117 WM8996_POWER_MANAGEMENT_6, 9, 0),
1118 SND_SOC_DAPM_AIF_OUT("AIF2TX0", "AIF2 Capture", 1,
1119 WM8996_POWER_MANAGEMENT_6, 8, 0),
1121 SND_SOC_DAPM_AIF_IN("AIF1RX5", "AIF1 Playback", 5,
1122 WM8996_POWER_MANAGEMENT_4, 5, 0),
1123 SND_SOC_DAPM_AIF_IN("AIF1RX4", "AIF1 Playback", 4,
1124 WM8996_POWER_MANAGEMENT_4, 4, 0),
1125 SND_SOC_DAPM_AIF_IN("AIF1RX3", "AIF1 Playback", 3,
1126 WM8996_POWER_MANAGEMENT_4, 3, 0),
1127 SND_SOC_DAPM_AIF_IN("AIF1RX2", "AIF1 Playback", 2,
1128 WM8996_POWER_MANAGEMENT_4, 2, 0),
1129 SND_SOC_DAPM_AIF_IN("AIF1RX1", "AIF1 Playback", 1,
1130 WM8996_POWER_MANAGEMENT_4, 1, 0),
1131 SND_SOC_DAPM_AIF_IN("AIF1RX0", "AIF1 Playback", 0,
1132 WM8996_POWER_MANAGEMENT_4, 0, 0),
1134 SND_SOC_DAPM_AIF_OUT("AIF1TX5", "AIF1 Capture", 5,
1135 WM8996_POWER_MANAGEMENT_6, 5, 0),
1136 SND_SOC_DAPM_AIF_OUT("AIF1TX4", "AIF1 Capture", 4,
1137 WM8996_POWER_MANAGEMENT_6, 4, 0),
1138 SND_SOC_DAPM_AIF_OUT("AIF1TX3", "AIF1 Capture", 3,
1139 WM8996_POWER_MANAGEMENT_6, 3, 0),
1140 SND_SOC_DAPM_AIF_OUT("AIF1TX2", "AIF1 Capture", 2,
1141 WM8996_POWER_MANAGEMENT_6, 2, 0),
1142 SND_SOC_DAPM_AIF_OUT("AIF1TX1", "AIF1 Capture", 1,
1143 WM8996_POWER_MANAGEMENT_6, 1, 0),
1144 SND_SOC_DAPM_AIF_OUT("AIF1TX0", "AIF1 Capture", 0,
1145 WM8996_POWER_MANAGEMENT_6, 0, 0),
1147 /* We route as stereo pairs so define some dummy widgets to squash
1148 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1149 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1150 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1151 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1152 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1153 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1155 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1156 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1157 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1159 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1160 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1161 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1162 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1164 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1165 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1166 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1167 SND_SOC_DAPM_POST_PMU),
1168 SND_SOC_DAPM_PGA_S("HPOUT2L_OUTP", 3, WM8996_ANALOGUE_HP_2, 6, 0, NULL, 0),
1169 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1170 rmv_short_event,
1171 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1173 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1174 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1175 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1176 SND_SOC_DAPM_POST_PMU),
1177 SND_SOC_DAPM_PGA_S("HPOUT2R_OUTP", 3, WM8996_ANALOGUE_HP_2, 2, 0, NULL, 0),
1178 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1179 rmv_short_event,
1180 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1182 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1183 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1184 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1185 SND_SOC_DAPM_POST_PMU),
1186 SND_SOC_DAPM_PGA_S("HPOUT1L_OUTP", 3, WM8996_ANALOGUE_HP_1, 6, 0, NULL, 0),
1187 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1188 rmv_short_event,
1189 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1191 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1192 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1193 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1194 SND_SOC_DAPM_POST_PMU),
1195 SND_SOC_DAPM_PGA_S("HPOUT1R_OUTP", 3, WM8996_ANALOGUE_HP_1, 2, 0, NULL, 0),
1196 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1197 rmv_short_event,
1198 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1200 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1201 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1202 SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1203 SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1204 SND_SOC_DAPM_OUTPUT("SPKDAT"),
1207 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1208 { "AIFCLK", NULL, "SYSCLK" },
1209 { "SYSDSPCLK", NULL, "SYSCLK" },
1210 { "Charge Pump", NULL, "SYSCLK" },
1212 { "MICB1", NULL, "LDO2" },
1213 { "MICB1", NULL, "MICB1 Audio" },
1214 { "MICB1", NULL, "Bandgap" },
1215 { "MICB2", NULL, "LDO2" },
1216 { "MICB2", NULL, "MICB2 Audio" },
1217 { "MICB2", NULL, "Bandgap" },
1219 { "IN1L PGA", NULL, "IN2LN" },
1220 { "IN1L PGA", NULL, "IN2LP" },
1221 { "IN1L PGA", NULL, "IN1LN" },
1222 { "IN1L PGA", NULL, "IN1LP" },
1223 { "IN1L PGA", NULL, "Bandgap" },
1225 { "IN1R PGA", NULL, "IN2RN" },
1226 { "IN1R PGA", NULL, "IN2RP" },
1227 { "IN1R PGA", NULL, "IN1RN" },
1228 { "IN1R PGA", NULL, "IN1RP" },
1229 { "IN1R PGA", NULL, "Bandgap" },
1231 { "ADCL", NULL, "IN1L PGA" },
1233 { "ADCR", NULL, "IN1R PGA" },
1235 { "DMIC1L", NULL, "DMIC1DAT" },
1236 { "DMIC1R", NULL, "DMIC1DAT" },
1237 { "DMIC2L", NULL, "DMIC2DAT" },
1238 { "DMIC2R", NULL, "DMIC2DAT" },
1240 { "DMIC2L", NULL, "DMIC2" },
1241 { "DMIC2R", NULL, "DMIC2" },
1242 { "DMIC1L", NULL, "DMIC1" },
1243 { "DMIC1R", NULL, "DMIC1" },
1245 { "IN1L Mux", "ADC", "ADCL" },
1246 { "IN1L Mux", "DMIC1", "DMIC1L" },
1247 { "IN1L Mux", "DMIC2", "DMIC2L" },
1249 { "IN1R Mux", "ADC", "ADCR" },
1250 { "IN1R Mux", "DMIC1", "DMIC1R" },
1251 { "IN1R Mux", "DMIC2", "DMIC2R" },
1253 { "IN2L Mux", "ADC", "ADCL" },
1254 { "IN2L Mux", "DMIC1", "DMIC1L" },
1255 { "IN2L Mux", "DMIC2", "DMIC2L" },
1257 { "IN2R Mux", "ADC", "ADCR" },
1258 { "IN2R Mux", "DMIC1", "DMIC1R" },
1259 { "IN2R Mux", "DMIC2", "DMIC2R" },
1261 { "Left Sidetone", "IN1", "IN1L Mux" },
1262 { "Left Sidetone", "IN2", "IN2L Mux" },
1264 { "Right Sidetone", "IN1", "IN1R Mux" },
1265 { "Right Sidetone", "IN2", "IN2R Mux" },
1267 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1268 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1270 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1271 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1273 { "AIF1TX0", NULL, "DSP1TXL" },
1274 { "AIF1TX1", NULL, "DSP1TXR" },
1275 { "AIF1TX2", NULL, "DSP2TXL" },
1276 { "AIF1TX3", NULL, "DSP2TXR" },
1277 { "AIF1TX4", NULL, "AIF2RX0" },
1278 { "AIF1TX5", NULL, "AIF2RX1" },
1280 { "AIF1RX0", NULL, "AIFCLK" },
1281 { "AIF1RX1", NULL, "AIFCLK" },
1282 { "AIF1RX2", NULL, "AIFCLK" },
1283 { "AIF1RX3", NULL, "AIFCLK" },
1284 { "AIF1RX4", NULL, "AIFCLK" },
1285 { "AIF1RX5", NULL, "AIFCLK" },
1287 { "AIF2RX0", NULL, "AIFCLK" },
1288 { "AIF2RX1", NULL, "AIFCLK" },
1290 { "AIF1TX0", NULL, "AIFCLK" },
1291 { "AIF1TX1", NULL, "AIFCLK" },
1292 { "AIF1TX2", NULL, "AIFCLK" },
1293 { "AIF1TX3", NULL, "AIFCLK" },
1294 { "AIF1TX4", NULL, "AIFCLK" },
1295 { "AIF1TX5", NULL, "AIFCLK" },
1297 { "AIF2TX0", NULL, "AIFCLK" },
1298 { "AIF2TX1", NULL, "AIFCLK" },
1300 { "DSP1RXL", NULL, "SYSDSPCLK" },
1301 { "DSP1RXR", NULL, "SYSDSPCLK" },
1302 { "DSP2RXL", NULL, "SYSDSPCLK" },
1303 { "DSP2RXR", NULL, "SYSDSPCLK" },
1304 { "DSP1TXL", NULL, "SYSDSPCLK" },
1305 { "DSP1TXR", NULL, "SYSDSPCLK" },
1306 { "DSP2TXL", NULL, "SYSDSPCLK" },
1307 { "DSP2TXR", NULL, "SYSDSPCLK" },
1309 { "AIF1RXA", NULL, "AIF1RX0" },
1310 { "AIF1RXA", NULL, "AIF1RX1" },
1311 { "AIF1RXB", NULL, "AIF1RX2" },
1312 { "AIF1RXB", NULL, "AIF1RX3" },
1313 { "AIF1RXC", NULL, "AIF1RX4" },
1314 { "AIF1RXC", NULL, "AIF1RX5" },
1316 { "AIF2RX", NULL, "AIF2RX0" },
1317 { "AIF2RX", NULL, "AIF2RX1" },
1319 { "AIF2TX", "DSP2", "DSP2TX" },
1320 { "AIF2TX", "DSP1", "DSP1RX" },
1321 { "AIF2TX", "AIF1", "AIF1RXC" },
1323 { "DSP1RXL", NULL, "DSP1RX" },
1324 { "DSP1RXR", NULL, "DSP1RX" },
1325 { "DSP2RXL", NULL, "DSP2RX" },
1326 { "DSP2RXR", NULL, "DSP2RX" },
1328 { "DSP2TX", NULL, "DSP2TXL" },
1329 { "DSP2TX", NULL, "DSP2TXR" },
1331 { "DSP1RX", "AIF1", "AIF1RXA" },
1332 { "DSP1RX", "AIF2", "AIF2RX" },
1334 { "DSP2RX", "AIF1", "AIF1RXB" },
1335 { "DSP2RX", "AIF2", "AIF2RX" },
1337 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1338 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1339 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1340 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1342 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1343 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1344 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1345 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1347 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1348 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1349 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1350 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1352 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1353 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1354 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1355 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1357 { "DAC1L", NULL, "DAC1L Mixer" },
1358 { "DAC1R", NULL, "DAC1R Mixer" },
1359 { "DAC2L", NULL, "DAC2L Mixer" },
1360 { "DAC2R", NULL, "DAC2R Mixer" },
1362 { "HPOUT2L PGA", NULL, "Charge Pump" },
1363 { "HPOUT2L PGA", NULL, "Bandgap" },
1364 { "HPOUT2L PGA", NULL, "DAC2L" },
1365 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1366 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1367 { "HPOUT2L_OUTP", NULL, "HPOUT2L_DCS" },
1368 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_OUTP" },
1370 { "HPOUT2R PGA", NULL, "Charge Pump" },
1371 { "HPOUT2R PGA", NULL, "Bandgap" },
1372 { "HPOUT2R PGA", NULL, "DAC2R" },
1373 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1374 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1375 { "HPOUT2R_OUTP", NULL, "HPOUT2R_DCS" },
1376 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_OUTP" },
1378 { "HPOUT1L PGA", NULL, "Charge Pump" },
1379 { "HPOUT1L PGA", NULL, "Bandgap" },
1380 { "HPOUT1L PGA", NULL, "DAC1L" },
1381 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1382 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1383 { "HPOUT1L_OUTP", NULL, "HPOUT1L_DCS" },
1384 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_OUTP" },
1386 { "HPOUT1R PGA", NULL, "Charge Pump" },
1387 { "HPOUT1R PGA", NULL, "Bandgap" },
1388 { "HPOUT1R PGA", NULL, "DAC1R" },
1389 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1390 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1391 { "HPOUT1R_OUTP", NULL, "HPOUT1R_DCS" },
1392 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_OUTP" },
1394 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1395 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1396 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1397 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1399 { "SPKL", "DAC1L", "DAC1L" },
1400 { "SPKL", "DAC1R", "DAC1R" },
1401 { "SPKL", "DAC2L", "DAC2L" },
1402 { "SPKL", "DAC2R", "DAC2R" },
1404 { "SPKR", "DAC1L", "DAC1L" },
1405 { "SPKR", "DAC1R", "DAC1R" },
1406 { "SPKR", "DAC2L", "DAC2L" },
1407 { "SPKR", "DAC2R", "DAC2R" },
1409 { "SPKL PGA", NULL, "SPKL" },
1410 { "SPKR PGA", NULL, "SPKR" },
1412 { "SPKDAT", NULL, "SPKL PGA" },
1413 { "SPKDAT", NULL, "SPKR PGA" },
1416 static int wm8996_readable_register(struct snd_soc_codec *codec,
1417 unsigned int reg)
1419 /* Due to the sparseness of the register map the compiler
1420 * output from an explicit switch statement ends up being much
1421 * more efficient than a table.
1423 switch (reg) {
1424 case WM8996_SOFTWARE_RESET:
1425 case WM8996_POWER_MANAGEMENT_1:
1426 case WM8996_POWER_MANAGEMENT_2:
1427 case WM8996_POWER_MANAGEMENT_3:
1428 case WM8996_POWER_MANAGEMENT_4:
1429 case WM8996_POWER_MANAGEMENT_5:
1430 case WM8996_POWER_MANAGEMENT_6:
1431 case WM8996_POWER_MANAGEMENT_7:
1432 case WM8996_POWER_MANAGEMENT_8:
1433 case WM8996_LEFT_LINE_INPUT_VOLUME:
1434 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1435 case WM8996_LINE_INPUT_CONTROL:
1436 case WM8996_DAC1_HPOUT1_VOLUME:
1437 case WM8996_DAC2_HPOUT2_VOLUME:
1438 case WM8996_DAC1_LEFT_VOLUME:
1439 case WM8996_DAC1_RIGHT_VOLUME:
1440 case WM8996_DAC2_LEFT_VOLUME:
1441 case WM8996_DAC2_RIGHT_VOLUME:
1442 case WM8996_OUTPUT1_LEFT_VOLUME:
1443 case WM8996_OUTPUT1_RIGHT_VOLUME:
1444 case WM8996_OUTPUT2_LEFT_VOLUME:
1445 case WM8996_OUTPUT2_RIGHT_VOLUME:
1446 case WM8996_MICBIAS_1:
1447 case WM8996_MICBIAS_2:
1448 case WM8996_LDO_1:
1449 case WM8996_LDO_2:
1450 case WM8996_ACCESSORY_DETECT_MODE_1:
1451 case WM8996_ACCESSORY_DETECT_MODE_2:
1452 case WM8996_HEADPHONE_DETECT_1:
1453 case WM8996_HEADPHONE_DETECT_2:
1454 case WM8996_MIC_DETECT_1:
1455 case WM8996_MIC_DETECT_2:
1456 case WM8996_MIC_DETECT_3:
1457 case WM8996_CHARGE_PUMP_1:
1458 case WM8996_CHARGE_PUMP_2:
1459 case WM8996_DC_SERVO_1:
1460 case WM8996_DC_SERVO_2:
1461 case WM8996_DC_SERVO_3:
1462 case WM8996_DC_SERVO_5:
1463 case WM8996_DC_SERVO_6:
1464 case WM8996_DC_SERVO_7:
1465 case WM8996_DC_SERVO_READBACK_0:
1466 case WM8996_ANALOGUE_HP_1:
1467 case WM8996_ANALOGUE_HP_2:
1468 case WM8996_CHIP_REVISION:
1469 case WM8996_CONTROL_INTERFACE_1:
1470 case WM8996_WRITE_SEQUENCER_CTRL_1:
1471 case WM8996_WRITE_SEQUENCER_CTRL_2:
1472 case WM8996_AIF_CLOCKING_1:
1473 case WM8996_AIF_CLOCKING_2:
1474 case WM8996_CLOCKING_1:
1475 case WM8996_CLOCKING_2:
1476 case WM8996_AIF_RATE:
1477 case WM8996_FLL_CONTROL_1:
1478 case WM8996_FLL_CONTROL_2:
1479 case WM8996_FLL_CONTROL_3:
1480 case WM8996_FLL_CONTROL_4:
1481 case WM8996_FLL_CONTROL_5:
1482 case WM8996_FLL_CONTROL_6:
1483 case WM8996_FLL_EFS_1:
1484 case WM8996_FLL_EFS_2:
1485 case WM8996_AIF1_CONTROL:
1486 case WM8996_AIF1_BCLK:
1487 case WM8996_AIF1_TX_LRCLK_1:
1488 case WM8996_AIF1_TX_LRCLK_2:
1489 case WM8996_AIF1_RX_LRCLK_1:
1490 case WM8996_AIF1_RX_LRCLK_2:
1491 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1492 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1493 case WM8996_AIF1RX_DATA_CONFIGURATION:
1494 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1495 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1496 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1497 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1498 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1499 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1500 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1501 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1502 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1503 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1504 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1505 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1506 case WM8996_AIF1RX_MONO_CONFIGURATION:
1507 case WM8996_AIF1TX_TEST:
1508 case WM8996_AIF2_CONTROL:
1509 case WM8996_AIF2_BCLK:
1510 case WM8996_AIF2_TX_LRCLK_1:
1511 case WM8996_AIF2_TX_LRCLK_2:
1512 case WM8996_AIF2_RX_LRCLK_1:
1513 case WM8996_AIF2_RX_LRCLK_2:
1514 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1515 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1516 case WM8996_AIF2RX_DATA_CONFIGURATION:
1517 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1518 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1519 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1520 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1521 case WM8996_AIF2RX_MONO_CONFIGURATION:
1522 case WM8996_AIF2TX_TEST:
1523 case WM8996_DSP1_TX_LEFT_VOLUME:
1524 case WM8996_DSP1_TX_RIGHT_VOLUME:
1525 case WM8996_DSP1_RX_LEFT_VOLUME:
1526 case WM8996_DSP1_RX_RIGHT_VOLUME:
1527 case WM8996_DSP1_TX_FILTERS:
1528 case WM8996_DSP1_RX_FILTERS_1:
1529 case WM8996_DSP1_RX_FILTERS_2:
1530 case WM8996_DSP1_DRC_1:
1531 case WM8996_DSP1_DRC_2:
1532 case WM8996_DSP1_DRC_3:
1533 case WM8996_DSP1_DRC_4:
1534 case WM8996_DSP1_DRC_5:
1535 case WM8996_DSP1_RX_EQ_GAINS_1:
1536 case WM8996_DSP1_RX_EQ_GAINS_2:
1537 case WM8996_DSP1_RX_EQ_BAND_1_A:
1538 case WM8996_DSP1_RX_EQ_BAND_1_B:
1539 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1540 case WM8996_DSP1_RX_EQ_BAND_2_A:
1541 case WM8996_DSP1_RX_EQ_BAND_2_B:
1542 case WM8996_DSP1_RX_EQ_BAND_2_C:
1543 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1544 case WM8996_DSP1_RX_EQ_BAND_3_A:
1545 case WM8996_DSP1_RX_EQ_BAND_3_B:
1546 case WM8996_DSP1_RX_EQ_BAND_3_C:
1547 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1548 case WM8996_DSP1_RX_EQ_BAND_4_A:
1549 case WM8996_DSP1_RX_EQ_BAND_4_B:
1550 case WM8996_DSP1_RX_EQ_BAND_4_C:
1551 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1552 case WM8996_DSP1_RX_EQ_BAND_5_A:
1553 case WM8996_DSP1_RX_EQ_BAND_5_B:
1554 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1555 case WM8996_DSP2_TX_LEFT_VOLUME:
1556 case WM8996_DSP2_TX_RIGHT_VOLUME:
1557 case WM8996_DSP2_RX_LEFT_VOLUME:
1558 case WM8996_DSP2_RX_RIGHT_VOLUME:
1559 case WM8996_DSP2_TX_FILTERS:
1560 case WM8996_DSP2_RX_FILTERS_1:
1561 case WM8996_DSP2_RX_FILTERS_2:
1562 case WM8996_DSP2_DRC_1:
1563 case WM8996_DSP2_DRC_2:
1564 case WM8996_DSP2_DRC_3:
1565 case WM8996_DSP2_DRC_4:
1566 case WM8996_DSP2_DRC_5:
1567 case WM8996_DSP2_RX_EQ_GAINS_1:
1568 case WM8996_DSP2_RX_EQ_GAINS_2:
1569 case WM8996_DSP2_RX_EQ_BAND_1_A:
1570 case WM8996_DSP2_RX_EQ_BAND_1_B:
1571 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1572 case WM8996_DSP2_RX_EQ_BAND_2_A:
1573 case WM8996_DSP2_RX_EQ_BAND_2_B:
1574 case WM8996_DSP2_RX_EQ_BAND_2_C:
1575 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1576 case WM8996_DSP2_RX_EQ_BAND_3_A:
1577 case WM8996_DSP2_RX_EQ_BAND_3_B:
1578 case WM8996_DSP2_RX_EQ_BAND_3_C:
1579 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1580 case WM8996_DSP2_RX_EQ_BAND_4_A:
1581 case WM8996_DSP2_RX_EQ_BAND_4_B:
1582 case WM8996_DSP2_RX_EQ_BAND_4_C:
1583 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1584 case WM8996_DSP2_RX_EQ_BAND_5_A:
1585 case WM8996_DSP2_RX_EQ_BAND_5_B:
1586 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1587 case WM8996_DAC1_MIXER_VOLUMES:
1588 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1589 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1590 case WM8996_DAC2_MIXER_VOLUMES:
1591 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1592 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1593 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1594 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1595 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1596 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1597 case WM8996_DSP_TX_MIXER_SELECT:
1598 case WM8996_DAC_SOFTMUTE:
1599 case WM8996_OVERSAMPLING:
1600 case WM8996_SIDETONE:
1601 case WM8996_GPIO_1:
1602 case WM8996_GPIO_2:
1603 case WM8996_GPIO_3:
1604 case WM8996_GPIO_4:
1605 case WM8996_GPIO_5:
1606 case WM8996_PULL_CONTROL_1:
1607 case WM8996_PULL_CONTROL_2:
1608 case WM8996_INTERRUPT_STATUS_1:
1609 case WM8996_INTERRUPT_STATUS_2:
1610 case WM8996_INTERRUPT_RAW_STATUS_2:
1611 case WM8996_INTERRUPT_STATUS_1_MASK:
1612 case WM8996_INTERRUPT_STATUS_2_MASK:
1613 case WM8996_INTERRUPT_CONTROL:
1614 case WM8996_LEFT_PDM_SPEAKER:
1615 case WM8996_RIGHT_PDM_SPEAKER:
1616 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1617 case WM8996_PDM_SPEAKER_VOLUME:
1618 return 1;
1619 default:
1620 return 0;
1624 static int wm8996_volatile_register(struct snd_soc_codec *codec,
1625 unsigned int reg)
1627 switch (reg) {
1628 case WM8996_SOFTWARE_RESET:
1629 case WM8996_CHIP_REVISION:
1630 case WM8996_LDO_1:
1631 case WM8996_LDO_2:
1632 case WM8996_INTERRUPT_STATUS_1:
1633 case WM8996_INTERRUPT_STATUS_2:
1634 case WM8996_INTERRUPT_RAW_STATUS_2:
1635 case WM8996_DC_SERVO_READBACK_0:
1636 case WM8996_DC_SERVO_2:
1637 case WM8996_DC_SERVO_6:
1638 case WM8996_DC_SERVO_7:
1639 case WM8996_FLL_CONTROL_6:
1640 case WM8996_MIC_DETECT_3:
1641 case WM8996_HEADPHONE_DETECT_1:
1642 case WM8996_HEADPHONE_DETECT_2:
1643 return 1;
1644 default:
1645 return 0;
1649 static int wm8996_reset(struct snd_soc_codec *codec)
1651 return snd_soc_write(codec, WM8996_SOFTWARE_RESET, 0x8915);
1654 static const int bclk_divs[] = {
1655 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1658 static void wm8996_update_bclk(struct snd_soc_codec *codec)
1660 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1661 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1663 /* Don't bother if we're in a low frequency idle mode that
1664 * can't support audio.
1666 if (wm8996->sysclk < 64000)
1667 return;
1669 for (aif = 0; aif < WM8996_AIFS; aif++) {
1670 switch (aif) {
1671 case 0:
1672 bclk_reg = WM8996_AIF1_BCLK;
1673 break;
1674 case 1:
1675 bclk_reg = WM8996_AIF2_BCLK;
1676 break;
1679 bclk_rate = wm8996->bclk_rate[aif];
1681 /* Pick a divisor for BCLK as close as we can get to ideal */
1682 best = 0;
1683 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1684 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1685 if (cur_val < 0) /* BCLK table is sorted */
1686 break;
1687 best = i;
1689 bclk_rate = wm8996->sysclk / bclk_divs[best];
1690 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1691 bclk_divs[best], bclk_rate);
1693 snd_soc_update_bits(codec, bclk_reg,
1694 WM8996_AIF1_BCLK_DIV_MASK, best);
1698 static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1699 enum snd_soc_bias_level level)
1701 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1702 int ret;
1704 switch (level) {
1705 case SND_SOC_BIAS_ON:
1706 case SND_SOC_BIAS_PREPARE:
1707 break;
1709 case SND_SOC_BIAS_STANDBY:
1710 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1711 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1712 wm8996->supplies);
1713 if (ret != 0) {
1714 dev_err(codec->dev,
1715 "Failed to enable supplies: %d\n",
1716 ret);
1717 return ret;
1720 if (wm8996->pdata.ldo_ena >= 0) {
1721 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1723 msleep(5);
1726 codec->cache_only = false;
1727 snd_soc_cache_sync(codec);
1729 break;
1731 case SND_SOC_BIAS_OFF:
1732 codec->cache_only = true;
1733 if (wm8996->pdata.ldo_ena >= 0)
1734 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1735 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1736 wm8996->supplies);
1737 break;
1740 codec->dapm.bias_level = level;
1742 return 0;
1745 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1747 struct snd_soc_codec *codec = dai->codec;
1748 int aifctrl = 0;
1749 int bclk = 0;
1750 int lrclk_tx = 0;
1751 int lrclk_rx = 0;
1752 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1754 switch (dai->id) {
1755 case 0:
1756 aifctrl_reg = WM8996_AIF1_CONTROL;
1757 bclk_reg = WM8996_AIF1_BCLK;
1758 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1759 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1760 break;
1761 case 1:
1762 aifctrl_reg = WM8996_AIF2_CONTROL;
1763 bclk_reg = WM8996_AIF2_BCLK;
1764 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1765 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1766 break;
1767 default:
1768 BUG();
1769 return -EINVAL;
1772 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1773 case SND_SOC_DAIFMT_NB_NF:
1774 break;
1775 case SND_SOC_DAIFMT_IB_NF:
1776 bclk |= WM8996_AIF1_BCLK_INV;
1777 break;
1778 case SND_SOC_DAIFMT_NB_IF:
1779 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1780 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1781 break;
1782 case SND_SOC_DAIFMT_IB_IF:
1783 bclk |= WM8996_AIF1_BCLK_INV;
1784 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1785 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1786 break;
1789 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1790 case SND_SOC_DAIFMT_CBS_CFS:
1791 break;
1792 case SND_SOC_DAIFMT_CBS_CFM:
1793 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1794 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1795 break;
1796 case SND_SOC_DAIFMT_CBM_CFS:
1797 bclk |= WM8996_AIF1_BCLK_MSTR;
1798 break;
1799 case SND_SOC_DAIFMT_CBM_CFM:
1800 bclk |= WM8996_AIF1_BCLK_MSTR;
1801 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1802 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1803 break;
1804 default:
1805 return -EINVAL;
1808 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1809 case SND_SOC_DAIFMT_DSP_A:
1810 break;
1811 case SND_SOC_DAIFMT_DSP_B:
1812 aifctrl |= 1;
1813 break;
1814 case SND_SOC_DAIFMT_I2S:
1815 aifctrl |= 2;
1816 break;
1817 case SND_SOC_DAIFMT_LEFT_J:
1818 aifctrl |= 3;
1819 break;
1820 default:
1821 return -EINVAL;
1824 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1825 snd_soc_update_bits(codec, bclk_reg,
1826 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1827 bclk);
1828 snd_soc_update_bits(codec, lrclk_tx_reg,
1829 WM8996_AIF1TX_LRCLK_INV |
1830 WM8996_AIF1TX_LRCLK_MSTR,
1831 lrclk_tx);
1832 snd_soc_update_bits(codec, lrclk_rx_reg,
1833 WM8996_AIF1RX_LRCLK_INV |
1834 WM8996_AIF1RX_LRCLK_MSTR,
1835 lrclk_rx);
1837 return 0;
1840 static const int dsp_divs[] = {
1841 48000, 32000, 16000, 8000
1844 static int wm8996_hw_params(struct snd_pcm_substream *substream,
1845 struct snd_pcm_hw_params *params,
1846 struct snd_soc_dai *dai)
1848 struct snd_soc_codec *codec = dai->codec;
1849 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1850 int bits, i, bclk_rate;
1851 int aifdata = 0;
1852 int lrclk = 0;
1853 int dsp = 0;
1854 int aifdata_reg, lrclk_reg, dsp_shift;
1856 switch (dai->id) {
1857 case 0:
1858 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1859 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1860 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1861 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1862 } else {
1863 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1864 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1866 dsp_shift = 0;
1867 break;
1868 case 1:
1869 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1870 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1871 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1872 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1873 } else {
1874 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1875 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1877 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1878 break;
1879 default:
1880 BUG();
1881 return -EINVAL;
1884 bclk_rate = snd_soc_params_to_bclk(params);
1885 if (bclk_rate < 0) {
1886 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1887 return bclk_rate;
1890 wm8996->bclk_rate[dai->id] = bclk_rate;
1891 wm8996->rx_rate[dai->id] = params_rate(params);
1893 /* Needs looking at for TDM */
1894 bits = snd_pcm_format_width(params_format(params));
1895 if (bits < 0)
1896 return bits;
1897 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1899 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1900 if (dsp_divs[i] == params_rate(params))
1901 break;
1903 if (i == ARRAY_SIZE(dsp_divs)) {
1904 dev_err(codec->dev, "Unsupported sample rate %dHz\n",
1905 params_rate(params));
1906 return -EINVAL;
1908 dsp |= i << dsp_shift;
1910 wm8996_update_bclk(codec);
1912 lrclk = bclk_rate / params_rate(params);
1913 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1914 lrclk, bclk_rate / lrclk);
1916 snd_soc_update_bits(codec, aifdata_reg,
1917 WM8996_AIF1TX_WL_MASK |
1918 WM8996_AIF1TX_SLOT_LEN_MASK,
1919 aifdata);
1920 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1921 lrclk);
1922 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1923 WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1925 return 0;
1928 static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1929 int clk_id, unsigned int freq, int dir)
1931 struct snd_soc_codec *codec = dai->codec;
1932 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1933 int lfclk = 0;
1934 int ratediv = 0;
1935 int sync = WM8996_REG_SYNC;
1936 int src;
1937 int old;
1939 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1940 return 0;
1942 /* Disable SYSCLK while we reconfigure */
1943 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1944 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1945 WM8996_SYSCLK_ENA, 0);
1947 switch (clk_id) {
1948 case WM8996_SYSCLK_MCLK1:
1949 wm8996->sysclk = freq;
1950 src = 0;
1951 break;
1952 case WM8996_SYSCLK_MCLK2:
1953 wm8996->sysclk = freq;
1954 src = 1;
1955 break;
1956 case WM8996_SYSCLK_FLL:
1957 wm8996->sysclk = freq;
1958 src = 2;
1959 break;
1960 default:
1961 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1962 return -EINVAL;
1965 switch (wm8996->sysclk) {
1966 case 6144000:
1967 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1968 WM8996_SYSCLK_RATE, 0);
1969 break;
1970 case 24576000:
1971 ratediv = WM8996_SYSCLK_DIV;
1972 wm8996->sysclk /= 2;
1973 case 12288000:
1974 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1975 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1976 break;
1977 case 32000:
1978 case 32768:
1979 lfclk = WM8996_LFCLK_ENA;
1980 sync = 0;
1981 break;
1982 default:
1983 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1984 wm8996->sysclk);
1985 return -EINVAL;
1988 wm8996_update_bclk(codec);
1990 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1991 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1992 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1993 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1994 snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1995 WM8996_REG_SYNC, sync);
1996 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1997 WM8996_SYSCLK_ENA, old);
1999 wm8996->sysclk_src = clk_id;
2001 return 0;
2004 struct _fll_div {
2005 u16 fll_fratio;
2006 u16 fll_outdiv;
2007 u16 fll_refclk_div;
2008 u16 fll_loop_gain;
2009 u16 fll_ref_freq;
2010 u16 n;
2011 u16 theta;
2012 u16 lambda;
2015 static struct {
2016 unsigned int min;
2017 unsigned int max;
2018 u16 fll_fratio;
2019 int ratio;
2020 } fll_fratios[] = {
2021 { 0, 64000, 4, 16 },
2022 { 64000, 128000, 3, 8 },
2023 { 128000, 256000, 2, 4 },
2024 { 256000, 1000000, 1, 2 },
2025 { 1000000, 13500000, 0, 1 },
2028 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
2029 unsigned int Fout)
2031 unsigned int target;
2032 unsigned int div;
2033 unsigned int fratio, gcd_fll;
2034 int i;
2036 /* Fref must be <=13.5MHz */
2037 div = 1;
2038 fll_div->fll_refclk_div = 0;
2039 while ((Fref / div) > 13500000) {
2040 div *= 2;
2041 fll_div->fll_refclk_div++;
2043 if (div > 8) {
2044 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
2045 Fref);
2046 return -EINVAL;
2050 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
2052 /* Apply the division for our remaining calculations */
2053 Fref /= div;
2055 if (Fref >= 3000000)
2056 fll_div->fll_loop_gain = 5;
2057 else
2058 fll_div->fll_loop_gain = 0;
2060 if (Fref >= 48000)
2061 fll_div->fll_ref_freq = 0;
2062 else
2063 fll_div->fll_ref_freq = 1;
2065 /* Fvco should be 90-100MHz; don't check the upper bound */
2066 div = 2;
2067 while (Fout * div < 90000000) {
2068 div++;
2069 if (div > 64) {
2070 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
2071 Fout);
2072 return -EINVAL;
2075 target = Fout * div;
2076 fll_div->fll_outdiv = div - 1;
2078 pr_debug("FLL Fvco=%dHz\n", target);
2080 /* Find an appropraite FLL_FRATIO and factor it out of the target */
2081 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
2082 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
2083 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
2084 fratio = fll_fratios[i].ratio;
2085 break;
2088 if (i == ARRAY_SIZE(fll_fratios)) {
2089 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
2090 return -EINVAL;
2093 fll_div->n = target / (fratio * Fref);
2095 if (target % Fref == 0) {
2096 fll_div->theta = 0;
2097 fll_div->lambda = 0;
2098 } else {
2099 gcd_fll = gcd(target, fratio * Fref);
2101 fll_div->theta = (target - (fll_div->n * fratio * Fref))
2102 / gcd_fll;
2103 fll_div->lambda = (fratio * Fref) / gcd_fll;
2106 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
2107 fll_div->n, fll_div->theta, fll_div->lambda);
2108 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
2109 fll_div->fll_fratio, fll_div->fll_outdiv,
2110 fll_div->fll_refclk_div);
2112 return 0;
2115 static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2116 unsigned int Fref, unsigned int Fout)
2118 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2119 struct i2c_client *i2c = to_i2c_client(codec->dev);
2120 struct _fll_div fll_div;
2121 unsigned long timeout;
2122 int ret, reg, retry;
2124 /* Any change? */
2125 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2126 Fout == wm8996->fll_fout)
2127 return 0;
2129 if (Fout == 0) {
2130 dev_dbg(codec->dev, "FLL disabled\n");
2132 wm8996->fll_fref = 0;
2133 wm8996->fll_fout = 0;
2135 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2136 WM8996_FLL_ENA, 0);
2138 wm8996_bg_disable(codec);
2140 return 0;
2143 ret = fll_factors(&fll_div, Fref, Fout);
2144 if (ret != 0)
2145 return ret;
2147 switch (source) {
2148 case WM8996_FLL_MCLK1:
2149 reg = 0;
2150 break;
2151 case WM8996_FLL_MCLK2:
2152 reg = 1;
2153 break;
2154 case WM8996_FLL_DACLRCLK1:
2155 reg = 2;
2156 break;
2157 case WM8996_FLL_BCLK1:
2158 reg = 3;
2159 break;
2160 default:
2161 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2162 return -EINVAL;
2165 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2166 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2168 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2169 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2170 WM8996_FLL_REFCLK_SRC_MASK, reg);
2172 reg = 0;
2173 if (fll_div.theta || fll_div.lambda)
2174 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2175 else
2176 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2177 snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2179 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2180 WM8996_FLL_OUTDIV_MASK |
2181 WM8996_FLL_FRATIO_MASK,
2182 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2183 (fll_div.fll_fratio));
2185 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2187 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2188 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2189 (fll_div.n << WM8996_FLL_N_SHIFT) |
2190 fll_div.fll_loop_gain);
2192 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2194 /* Enable the bandgap if it's not already enabled */
2195 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2196 if (!(ret & WM8996_FLL_ENA))
2197 wm8996_bg_enable(codec);
2199 /* Clear any pending completions (eg, from failed startups) */
2200 try_wait_for_completion(&wm8996->fll_lock);
2202 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2203 WM8996_FLL_ENA, WM8996_FLL_ENA);
2205 /* The FLL supports live reconfiguration - kick that in case we were
2206 * already enabled.
2208 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2210 /* Wait for the FLL to lock, using the interrupt if possible */
2211 if (Fref > 1000000)
2212 timeout = usecs_to_jiffies(300);
2213 else
2214 timeout = msecs_to_jiffies(2);
2216 /* Allow substantially longer if we've actually got the IRQ, poll
2217 * at a slightly higher rate if we don't.
2219 if (i2c->irq)
2220 timeout *= 10;
2221 else
2222 timeout /= 2;
2224 for (retry = 0; retry < 10; retry++) {
2225 ret = wait_for_completion_timeout(&wm8996->fll_lock,
2226 timeout);
2227 if (ret != 0) {
2228 WARN_ON(!i2c->irq);
2229 break;
2232 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2233 if (ret & WM8996_FLL_LOCK_STS)
2234 break;
2236 if (retry == 10) {
2237 dev_err(codec->dev, "Timed out waiting for FLL\n");
2238 ret = -ETIMEDOUT;
2241 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2243 wm8996->fll_fref = Fref;
2244 wm8996->fll_fout = Fout;
2245 wm8996->fll_src = source;
2247 return ret;
2250 #ifdef CONFIG_GPIOLIB
2251 static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
2253 return container_of(chip, struct wm8996_priv, gpio_chip);
2256 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2258 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2259 struct snd_soc_codec *codec = wm8996->codec;
2261 snd_soc_update_bits(codec, WM8996_GPIO_1 + offset,
2262 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2265 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2266 unsigned offset, int value)
2268 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2269 struct snd_soc_codec *codec = wm8996->codec;
2270 int val;
2272 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2274 return snd_soc_update_bits(codec, WM8996_GPIO_1 + offset,
2275 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2276 WM8996_GP1_LVL, val);
2279 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2281 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2282 struct snd_soc_codec *codec = wm8996->codec;
2283 int ret;
2285 ret = snd_soc_read(codec, WM8996_GPIO_1 + offset);
2286 if (ret < 0)
2287 return ret;
2289 return (ret & WM8996_GP1_LVL) != 0;
2292 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2294 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2295 struct snd_soc_codec *codec = wm8996->codec;
2297 return snd_soc_update_bits(codec, WM8996_GPIO_1 + offset,
2298 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2299 (1 << WM8996_GP1_FN_SHIFT) |
2300 (1 << WM8996_GP1_DIR_SHIFT));
2303 static struct gpio_chip wm8996_template_chip = {
2304 .label = "wm8996",
2305 .owner = THIS_MODULE,
2306 .direction_output = wm8996_gpio_direction_out,
2307 .set = wm8996_gpio_set,
2308 .direction_input = wm8996_gpio_direction_in,
2309 .get = wm8996_gpio_get,
2310 .can_sleep = 1,
2313 static void wm8996_init_gpio(struct snd_soc_codec *codec)
2315 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2316 int ret;
2318 wm8996->gpio_chip = wm8996_template_chip;
2319 wm8996->gpio_chip.ngpio = 5;
2320 wm8996->gpio_chip.dev = codec->dev;
2322 if (wm8996->pdata.gpio_base)
2323 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2324 else
2325 wm8996->gpio_chip.base = -1;
2327 ret = gpiochip_add(&wm8996->gpio_chip);
2328 if (ret != 0)
2329 dev_err(codec->dev, "Failed to add GPIOs: %d\n", ret);
2332 static void wm8996_free_gpio(struct snd_soc_codec *codec)
2334 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2335 int ret;
2337 ret = gpiochip_remove(&wm8996->gpio_chip);
2338 if (ret != 0)
2339 dev_err(codec->dev, "Failed to remove GPIOs: %d\n", ret);
2341 #else
2342 static void wm8996_init_gpio(struct snd_soc_codec *codec)
2346 static void wm8996_free_gpio(struct snd_soc_codec *codec)
2349 #endif
2352 * wm8996_detect - Enable default WM8996 jack detection
2354 * The WM8996 has advanced accessory detection support for headsets.
2355 * This function provides a default implementation which integrates
2356 * the majority of this functionality with minimal user configuration.
2358 * This will detect headset, headphone and short circuit button and
2359 * will also detect inverted microphone ground connections and update
2360 * the polarity of the connections.
2362 int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2363 wm8996_polarity_fn polarity_cb)
2365 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2367 wm8996->jack = jack;
2368 wm8996->detecting = true;
2369 wm8996->polarity_cb = polarity_cb;
2371 if (wm8996->polarity_cb)
2372 wm8996->polarity_cb(codec, 0);
2374 /* Clear discarge to avoid noise during detection */
2375 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2376 WM8996_MICB1_DISCH, 0);
2377 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2378 WM8996_MICB2_DISCH, 0);
2380 /* LDO2 powers the microphones, SYSCLK clocks detection */
2381 snd_soc_dapm_force_enable_pin(&codec->dapm, "LDO2");
2382 snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK");
2384 /* We start off just enabling microphone detection - even a
2385 * plain headphone will trigger detection.
2387 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2388 WM8996_MICD_ENA, WM8996_MICD_ENA);
2390 /* Slowest detection rate, gives debounce for initial detection */
2391 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2392 WM8996_MICD_RATE_MASK,
2393 WM8996_MICD_RATE_MASK);
2395 /* Enable interrupts and we're off */
2396 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2397 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2399 return 0;
2401 EXPORT_SYMBOL_GPL(wm8996_detect);
2403 static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2405 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2406 int val, reg, report;
2408 /* Assume headphone in error conditions; we need to report
2409 * something or we stall our state machine.
2411 report = SND_JACK_HEADPHONE;
2413 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2414 if (reg < 0) {
2415 dev_err(codec->dev, "Failed to read HPDET status\n");
2416 goto out;
2419 if (!(reg & WM8996_HP_DONE)) {
2420 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2421 goto out;
2424 val = reg & WM8996_HP_LVL_MASK;
2426 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2428 /* If we've got high enough impedence then report as line,
2429 * otherwise assume headphone.
2431 if (val >= 126)
2432 report = SND_JACK_LINEOUT;
2433 else
2434 report = SND_JACK_HEADPHONE;
2436 out:
2437 if (wm8996->jack_mic)
2438 report |= SND_JACK_MICROPHONE;
2440 snd_soc_jack_report(wm8996->jack, report,
2441 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2443 wm8996->detecting = false;
2445 /* If the output isn't running re-clamp it */
2446 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2447 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2448 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2449 WM8996_HPOUT1L_RMV_SHORT |
2450 WM8996_HPOUT1R_RMV_SHORT, 0);
2452 /* Go back to looking at the microphone */
2453 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2454 WM8996_JD_MODE_MASK, 0);
2455 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2456 WM8996_MICD_ENA);
2458 snd_soc_dapm_disable_pin(&codec->dapm, "Bandgap");
2459 snd_soc_dapm_sync(&codec->dapm);
2462 static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2464 /* Unclamp the output, we can't measure while we're shorting it */
2465 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2466 WM8996_HPOUT1L_RMV_SHORT |
2467 WM8996_HPOUT1R_RMV_SHORT,
2468 WM8996_HPOUT1L_RMV_SHORT |
2469 WM8996_HPOUT1R_RMV_SHORT);
2471 /* We need bandgap for HPDET */
2472 snd_soc_dapm_force_enable_pin(&codec->dapm, "Bandgap");
2473 snd_soc_dapm_sync(&codec->dapm);
2475 /* Go into headphone detect left mode */
2476 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2477 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2478 WM8996_JD_MODE_MASK, 1);
2480 /* Trigger a measurement */
2481 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2482 WM8996_HP_POLL, WM8996_HP_POLL);
2485 static void wm8996_micd(struct snd_soc_codec *codec)
2487 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2488 int val, reg;
2490 val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2492 dev_dbg(codec->dev, "Microphone event: %x\n", val);
2494 if (!(val & WM8996_MICD_VALID)) {
2495 dev_warn(codec->dev, "Microphone detection state invalid\n");
2496 return;
2499 /* No accessory, reset everything and report removal */
2500 if (!(val & WM8996_MICD_STS)) {
2501 dev_dbg(codec->dev, "Jack removal detected\n");
2502 wm8996->jack_mic = false;
2503 wm8996->detecting = true;
2504 snd_soc_jack_report(wm8996->jack, 0,
2505 SND_JACK_LINEOUT | SND_JACK_HEADSET |
2506 SND_JACK_BTN_0);
2508 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2509 WM8996_MICD_RATE_MASK,
2510 WM8996_MICD_RATE_MASK);
2511 return;
2514 /* If the measurement is very high we've got a microphone,
2515 * either we just detected one or if we already reported then
2516 * we've got a button release event.
2518 if (val & 0x400) {
2519 if (wm8996->detecting) {
2520 dev_dbg(codec->dev, "Microphone detected\n");
2521 wm8996->jack_mic = true;
2522 wm8996_hpdet_start(codec);
2524 /* Increase poll rate to give better responsiveness
2525 * for buttons */
2526 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2527 WM8996_MICD_RATE_MASK,
2528 5 << WM8996_MICD_RATE_SHIFT);
2529 } else {
2530 dev_dbg(codec->dev, "Mic button up\n");
2531 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2534 return;
2537 /* If we detected a lower impedence during initial startup
2538 * then we probably have the wrong polarity, flip it. Don't
2539 * do this for the lowest impedences to speed up detection of
2540 * plain headphones.
2542 if (wm8996->detecting && (val & 0x3f0)) {
2543 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2544 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2545 WM8996_MICD_BIAS_SRC;
2546 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2547 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2548 WM8996_MICD_BIAS_SRC, reg);
2550 if (wm8996->polarity_cb)
2551 wm8996->polarity_cb(codec,
2552 (reg & WM8996_MICD_SRC) != 0);
2554 dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2555 (reg & WM8996_MICD_SRC) != 0);
2557 return;
2560 /* Don't distinguish between buttons, just report any low
2561 * impedence as BTN_0.
2563 if (val & 0x3fc) {
2564 if (wm8996->jack_mic) {
2565 dev_dbg(codec->dev, "Mic button detected\n");
2566 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2567 SND_JACK_BTN_0);
2568 } else if (wm8996->detecting) {
2569 dev_dbg(codec->dev, "Headphone detected\n");
2570 wm8996_hpdet_start(codec);
2572 /* Increase the detection rate a bit for
2573 * responsiveness.
2575 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2576 WM8996_MICD_RATE_MASK,
2577 7 << WM8996_MICD_RATE_SHIFT);
2582 static irqreturn_t wm8996_irq(int irq, void *data)
2584 struct snd_soc_codec *codec = data;
2585 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2586 int irq_val;
2588 irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2589 if (irq_val < 0) {
2590 dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2591 irq_val);
2592 return IRQ_NONE;
2594 irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2596 if (!irq_val)
2597 return IRQ_NONE;
2599 snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2601 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2602 dev_dbg(codec->dev, "DC servo IRQ\n");
2603 complete(&wm8996->dcs_done);
2606 if (irq_val & WM8996_FIFOS_ERR_EINT)
2607 dev_err(codec->dev, "Digital core FIFO error\n");
2609 if (irq_val & WM8996_FLL_LOCK_EINT) {
2610 dev_dbg(codec->dev, "FLL locked\n");
2611 complete(&wm8996->fll_lock);
2614 if (irq_val & WM8996_MICD_EINT)
2615 wm8996_micd(codec);
2617 if (irq_val & WM8996_HP_DONE_EINT)
2618 wm8996_hpdet_irq(codec);
2620 return IRQ_HANDLED;
2623 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2625 irqreturn_t ret = IRQ_NONE;
2626 irqreturn_t val;
2628 do {
2629 val = wm8996_irq(irq, data);
2630 if (val != IRQ_NONE)
2631 ret = val;
2632 } while (val != IRQ_NONE);
2634 return ret;
2637 static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2639 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2640 struct wm8996_pdata *pdata = &wm8996->pdata;
2642 struct snd_kcontrol_new controls[] = {
2643 SOC_ENUM_EXT("DSP1 EQ Mode",
2644 wm8996->retune_mobile_enum,
2645 wm8996_get_retune_mobile_enum,
2646 wm8996_put_retune_mobile_enum),
2647 SOC_ENUM_EXT("DSP2 EQ Mode",
2648 wm8996->retune_mobile_enum,
2649 wm8996_get_retune_mobile_enum,
2650 wm8996_put_retune_mobile_enum),
2652 int ret, i, j;
2653 const char **t;
2655 /* We need an array of texts for the enum API but the number
2656 * of texts is likely to be less than the number of
2657 * configurations due to the sample rate dependency of the
2658 * configurations. */
2659 wm8996->num_retune_mobile_texts = 0;
2660 wm8996->retune_mobile_texts = NULL;
2661 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2662 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2663 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2664 wm8996->retune_mobile_texts[j]) == 0)
2665 break;
2668 if (j != wm8996->num_retune_mobile_texts)
2669 continue;
2671 /* Expand the array... */
2672 t = krealloc(wm8996->retune_mobile_texts,
2673 sizeof(char *) *
2674 (wm8996->num_retune_mobile_texts + 1),
2675 GFP_KERNEL);
2676 if (t == NULL)
2677 continue;
2679 /* ...store the new entry... */
2680 t[wm8996->num_retune_mobile_texts] =
2681 pdata->retune_mobile_cfgs[i].name;
2683 /* ...and remember the new version. */
2684 wm8996->num_retune_mobile_texts++;
2685 wm8996->retune_mobile_texts = t;
2688 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2689 wm8996->num_retune_mobile_texts);
2691 wm8996->retune_mobile_enum.max = wm8996->num_retune_mobile_texts;
2692 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2694 ret = snd_soc_add_controls(codec, controls, ARRAY_SIZE(controls));
2695 if (ret != 0)
2696 dev_err(codec->dev,
2697 "Failed to add ReTune Mobile controls: %d\n", ret);
2700 static int wm8996_probe(struct snd_soc_codec *codec)
2702 int ret;
2703 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2704 struct i2c_client *i2c = to_i2c_client(codec->dev);
2705 struct snd_soc_dapm_context *dapm = &codec->dapm;
2706 int i, irq_flags;
2708 wm8996->codec = codec;
2710 init_completion(&wm8996->dcs_done);
2711 init_completion(&wm8996->fll_lock);
2713 dapm->idle_bias_off = true;
2715 ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_I2C);
2716 if (ret != 0) {
2717 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2718 goto err;
2721 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2722 wm8996->supplies[i].supply = wm8996_supply_names[i];
2724 ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8996->supplies),
2725 wm8996->supplies);
2726 if (ret != 0) {
2727 dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
2728 goto err;
2731 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2732 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2733 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2735 wm8996->cpvdd = regulator_get(&i2c->dev, "CPVDD");
2736 if (IS_ERR(wm8996->cpvdd)) {
2737 ret = PTR_ERR(wm8996->cpvdd);
2738 dev_err(&i2c->dev, "Failed to get CPVDD: %d\n", ret);
2739 goto err_get;
2742 /* This should really be moved into the regulator core */
2743 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2744 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2745 &wm8996->disable_nb[i]);
2746 if (ret != 0) {
2747 dev_err(codec->dev,
2748 "Failed to register regulator notifier: %d\n",
2749 ret);
2753 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2754 wm8996->supplies);
2755 if (ret != 0) {
2756 dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
2757 goto err_cpvdd;
2760 if (wm8996->pdata.ldo_ena >= 0) {
2761 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2762 msleep(5);
2765 ret = snd_soc_read(codec, WM8996_SOFTWARE_RESET);
2766 if (ret < 0) {
2767 dev_err(codec->dev, "Failed to read ID register: %d\n", ret);
2768 goto err_enable;
2770 if (ret != 0x8915) {
2771 dev_err(codec->dev, "Device is not a WM8996, ID %x\n", ret);
2772 ret = -EINVAL;
2773 goto err_enable;
2776 ret = snd_soc_read(codec, WM8996_CHIP_REVISION);
2777 if (ret < 0) {
2778 dev_err(codec->dev, "Failed to read device revision: %d\n",
2779 ret);
2780 goto err_enable;
2783 dev_info(codec->dev, "revision %c\n",
2784 (ret & WM8996_CHIP_REV_MASK) + 'A');
2786 if (wm8996->pdata.ldo_ena >= 0) {
2787 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2788 } else {
2789 ret = wm8996_reset(codec);
2790 if (ret < 0) {
2791 dev_err(codec->dev, "Failed to issue reset\n");
2792 goto err_enable;
2796 codec->cache_only = true;
2798 /* Apply platform data settings */
2799 snd_soc_update_bits(codec, WM8996_LINE_INPUT_CONTROL,
2800 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2801 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2802 wm8996->pdata.inr_mode);
2804 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2805 if (!wm8996->pdata.gpio_default[i])
2806 continue;
2808 snd_soc_write(codec, WM8996_GPIO_1 + i,
2809 wm8996->pdata.gpio_default[i] & 0xffff);
2812 if (wm8996->pdata.spkmute_seq)
2813 snd_soc_update_bits(codec, WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2814 WM8996_SPK_MUTE_ENDIAN |
2815 WM8996_SPK_MUTE_SEQ1_MASK,
2816 wm8996->pdata.spkmute_seq);
2818 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2819 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2820 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2822 /* Latch volume update bits */
2823 snd_soc_update_bits(codec, WM8996_LEFT_LINE_INPUT_VOLUME,
2824 WM8996_IN1_VU, WM8996_IN1_VU);
2825 snd_soc_update_bits(codec, WM8996_RIGHT_LINE_INPUT_VOLUME,
2826 WM8996_IN1_VU, WM8996_IN1_VU);
2828 snd_soc_update_bits(codec, WM8996_DAC1_LEFT_VOLUME,
2829 WM8996_DAC1_VU, WM8996_DAC1_VU);
2830 snd_soc_update_bits(codec, WM8996_DAC1_RIGHT_VOLUME,
2831 WM8996_DAC1_VU, WM8996_DAC1_VU);
2832 snd_soc_update_bits(codec, WM8996_DAC2_LEFT_VOLUME,
2833 WM8996_DAC2_VU, WM8996_DAC2_VU);
2834 snd_soc_update_bits(codec, WM8996_DAC2_RIGHT_VOLUME,
2835 WM8996_DAC2_VU, WM8996_DAC2_VU);
2837 snd_soc_update_bits(codec, WM8996_OUTPUT1_LEFT_VOLUME,
2838 WM8996_DAC1_VU, WM8996_DAC1_VU);
2839 snd_soc_update_bits(codec, WM8996_OUTPUT1_RIGHT_VOLUME,
2840 WM8996_DAC1_VU, WM8996_DAC1_VU);
2841 snd_soc_update_bits(codec, WM8996_OUTPUT2_LEFT_VOLUME,
2842 WM8996_DAC2_VU, WM8996_DAC2_VU);
2843 snd_soc_update_bits(codec, WM8996_OUTPUT2_RIGHT_VOLUME,
2844 WM8996_DAC2_VU, WM8996_DAC2_VU);
2846 snd_soc_update_bits(codec, WM8996_DSP1_TX_LEFT_VOLUME,
2847 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2848 snd_soc_update_bits(codec, WM8996_DSP1_TX_RIGHT_VOLUME,
2849 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2850 snd_soc_update_bits(codec, WM8996_DSP2_TX_LEFT_VOLUME,
2851 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2852 snd_soc_update_bits(codec, WM8996_DSP2_TX_RIGHT_VOLUME,
2853 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2855 snd_soc_update_bits(codec, WM8996_DSP1_RX_LEFT_VOLUME,
2856 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2857 snd_soc_update_bits(codec, WM8996_DSP1_RX_RIGHT_VOLUME,
2858 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2859 snd_soc_update_bits(codec, WM8996_DSP2_RX_LEFT_VOLUME,
2860 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2861 snd_soc_update_bits(codec, WM8996_DSP2_RX_RIGHT_VOLUME,
2862 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2864 /* No support currently for the underclocked TDM modes and
2865 * pick a default TDM layout with each channel pair working with
2866 * slots 0 and 1. */
2867 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2868 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2869 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2870 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2871 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2872 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2873 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2874 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2875 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2876 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2877 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2878 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2879 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2880 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2881 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2882 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2883 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2884 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2885 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2886 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2887 snd_soc_update_bits(codec, WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2888 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2889 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2890 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2892 snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2893 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2894 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2895 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2896 snd_soc_update_bits(codec, WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2897 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2898 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2899 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2901 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2902 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2903 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2904 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2905 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2906 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2907 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2908 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2909 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2910 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2911 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2912 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2913 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2914 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2915 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2916 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
2917 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
2918 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
2919 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2920 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
2921 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
2922 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
2923 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2924 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
2926 snd_soc_update_bits(codec, WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
2927 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
2928 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
2929 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
2930 snd_soc_update_bits(codec, WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2931 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
2932 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
2933 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2935 if (wm8996->pdata.num_retune_mobile_cfgs)
2936 wm8996_retune_mobile_pdata(codec);
2937 else
2938 snd_soc_add_controls(codec, wm8996_eq_controls,
2939 ARRAY_SIZE(wm8996_eq_controls));
2941 /* If the TX LRCLK pins are not in LRCLK mode configure the
2942 * AIFs to source their clocks from the RX LRCLKs.
2944 if ((snd_soc_read(codec, WM8996_GPIO_1)))
2945 snd_soc_update_bits(codec, WM8996_AIF1_TX_LRCLK_2,
2946 WM8996_AIF1TX_LRCLK_MODE,
2947 WM8996_AIF1TX_LRCLK_MODE);
2949 if ((snd_soc_read(codec, WM8996_GPIO_2)))
2950 snd_soc_update_bits(codec, WM8996_AIF2_TX_LRCLK_2,
2951 WM8996_AIF2TX_LRCLK_MODE,
2952 WM8996_AIF2TX_LRCLK_MODE);
2954 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2956 wm8996_init_gpio(codec);
2958 if (i2c->irq) {
2959 if (wm8996->pdata.irq_flags)
2960 irq_flags = wm8996->pdata.irq_flags;
2961 else
2962 irq_flags = IRQF_TRIGGER_LOW;
2964 irq_flags |= IRQF_ONESHOT;
2966 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2967 ret = request_threaded_irq(i2c->irq, NULL,
2968 wm8996_edge_irq,
2969 irq_flags, "wm8996", codec);
2970 else
2971 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2972 irq_flags, "wm8996", codec);
2974 if (ret == 0) {
2975 /* Unmask the interrupt */
2976 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2977 WM8996_IM_IRQ, 0);
2979 /* Enable error reporting and DC servo status */
2980 snd_soc_update_bits(codec,
2981 WM8996_INTERRUPT_STATUS_2_MASK,
2982 WM8996_IM_DCS_DONE_23_EINT |
2983 WM8996_IM_DCS_DONE_01_EINT |
2984 WM8996_IM_FLL_LOCK_EINT |
2985 WM8996_IM_FIFOS_ERR_EINT,
2987 } else {
2988 dev_err(codec->dev, "Failed to request IRQ: %d\n",
2989 ret);
2993 return 0;
2995 err_enable:
2996 if (wm8996->pdata.ldo_ena >= 0)
2997 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2999 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3000 err_cpvdd:
3001 regulator_put(wm8996->cpvdd);
3002 err_get:
3003 regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3004 err:
3005 return ret;
3008 static int wm8996_remove(struct snd_soc_codec *codec)
3010 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
3011 struct i2c_client *i2c = to_i2c_client(codec->dev);
3012 int i;
3014 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
3015 WM8996_IM_IRQ, WM8996_IM_IRQ);
3017 if (i2c->irq)
3018 free_irq(i2c->irq, codec);
3020 wm8996_free_gpio(codec);
3022 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3023 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3024 &wm8996->disable_nb[i]);
3025 regulator_put(wm8996->cpvdd);
3026 regulator_bulk_free(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3028 return 0;
3031 static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
3032 .probe = wm8996_probe,
3033 .remove = wm8996_remove,
3034 .set_bias_level = wm8996_set_bias_level,
3035 .seq_notifier = wm8996_seq_notifier,
3036 .reg_cache_size = WM8996_MAX_REGISTER + 1,
3037 .reg_word_size = sizeof(u16),
3038 .reg_cache_default = wm8996_reg,
3039 .volatile_register = wm8996_volatile_register,
3040 .readable_register = wm8996_readable_register,
3041 .compress_type = SND_SOC_RBTREE_COMPRESSION,
3042 .controls = wm8996_snd_controls,
3043 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
3044 .dapm_widgets = wm8996_dapm_widgets,
3045 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
3046 .dapm_routes = wm8996_dapm_routes,
3047 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
3048 .set_pll = wm8996_set_fll,
3051 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
3052 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000)
3053 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
3054 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
3055 SNDRV_PCM_FMTBIT_S32_LE)
3057 static struct snd_soc_dai_ops wm8996_dai_ops = {
3058 .set_fmt = wm8996_set_fmt,
3059 .hw_params = wm8996_hw_params,
3060 .set_sysclk = wm8996_set_sysclk,
3063 static struct snd_soc_dai_driver wm8996_dai[] = {
3065 .name = "wm8996-aif1",
3066 .playback = {
3067 .stream_name = "AIF1 Playback",
3068 .channels_min = 1,
3069 .channels_max = 6,
3070 .rates = WM8996_RATES,
3071 .formats = WM8996_FORMATS,
3073 .capture = {
3074 .stream_name = "AIF1 Capture",
3075 .channels_min = 1,
3076 .channels_max = 6,
3077 .rates = WM8996_RATES,
3078 .formats = WM8996_FORMATS,
3080 .ops = &wm8996_dai_ops,
3083 .name = "wm8996-aif2",
3084 .playback = {
3085 .stream_name = "AIF2 Playback",
3086 .channels_min = 1,
3087 .channels_max = 2,
3088 .rates = WM8996_RATES,
3089 .formats = WM8996_FORMATS,
3091 .capture = {
3092 .stream_name = "AIF2 Capture",
3093 .channels_min = 1,
3094 .channels_max = 2,
3095 .rates = WM8996_RATES,
3096 .formats = WM8996_FORMATS,
3098 .ops = &wm8996_dai_ops,
3102 static __devinit int wm8996_i2c_probe(struct i2c_client *i2c,
3103 const struct i2c_device_id *id)
3105 struct wm8996_priv *wm8996;
3106 int ret;
3108 wm8996 = kzalloc(sizeof(struct wm8996_priv), GFP_KERNEL);
3109 if (wm8996 == NULL)
3110 return -ENOMEM;
3112 i2c_set_clientdata(i2c, wm8996);
3114 if (dev_get_platdata(&i2c->dev))
3115 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
3116 sizeof(wm8996->pdata));
3118 if (wm8996->pdata.ldo_ena > 0) {
3119 ret = gpio_request_one(wm8996->pdata.ldo_ena,
3120 GPIOF_OUT_INIT_LOW, "WM8996 ENA");
3121 if (ret < 0) {
3122 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
3123 wm8996->pdata.ldo_ena, ret);
3124 goto err;
3128 ret = snd_soc_register_codec(&i2c->dev,
3129 &soc_codec_dev_wm8996, wm8996_dai,
3130 ARRAY_SIZE(wm8996_dai));
3131 if (ret < 0)
3132 goto err_gpio;
3134 return ret;
3136 err_gpio:
3137 if (wm8996->pdata.ldo_ena > 0)
3138 gpio_free(wm8996->pdata.ldo_ena);
3139 err:
3140 kfree(wm8996);
3142 return ret;
3145 static __devexit int wm8996_i2c_remove(struct i2c_client *client)
3147 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3149 snd_soc_unregister_codec(&client->dev);
3150 if (wm8996->pdata.ldo_ena > 0)
3151 gpio_free(wm8996->pdata.ldo_ena);
3152 kfree(i2c_get_clientdata(client));
3153 return 0;
3156 static const struct i2c_device_id wm8996_i2c_id[] = {
3157 { "wm8996", 0 },
3160 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3162 static struct i2c_driver wm8996_i2c_driver = {
3163 .driver = {
3164 .name = "wm8996",
3165 .owner = THIS_MODULE,
3167 .probe = wm8996_i2c_probe,
3168 .remove = __devexit_p(wm8996_i2c_remove),
3169 .id_table = wm8996_i2c_id,
3172 static int __init wm8996_modinit(void)
3174 int ret;
3176 ret = i2c_add_driver(&wm8996_i2c_driver);
3177 if (ret != 0) {
3178 printk(KERN_ERR "Failed to register WM8996 I2C driver: %d\n",
3179 ret);
3182 return ret;
3184 module_init(wm8996_modinit);
3186 static void __exit wm8996_exit(void)
3188 i2c_del_driver(&wm8996_i2c_driver);
3190 module_exit(wm8996_exit);
3192 MODULE_DESCRIPTION("ASoC WM8996 driver");
3193 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3194 MODULE_LICENSE("GPL");