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x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / soc / codecs / wm8996.c
blob8affa49691200e47f6b6d4ed4462b5f1f6d5c37f
1 /*
2 * wm8996.c - WM8996 audio codec interface
3 *
4 * Copyright 2011-2 Wolfson Microelectronics PLC.
5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 */
12
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/init.h>
16 #include <linux/completion.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/gcd.h>
20 #include <linux/gpio/driver.h>
21 #include <linux/gpio.h>
22 #include <linux/i2c.h>
23 #include <linux/regmap.h>
24 #include <linux/regulator/consumer.h>
25 #include <linux/slab.h>
26 #include <linux/workqueue.h>
27 #include <sound/core.h>
28 #include <sound/jack.h>
29 #include <sound/pcm.h>
30 #include <sound/pcm_params.h>
31 #include <sound/soc.h>
32 #include <sound/initval.h>
33 #include <sound/tlv.h>
34 #include <trace/events/asoc.h>
35
36 #include <sound/wm8996.h>
37 #include "wm8996.h"
38
39 #define WM8996_AIFS 2
40
41 #define HPOUT1L 1
42 #define HPOUT1R 2
43 #define HPOUT2L 4
44 #define HPOUT2R 8
45
46 #define WM8996_NUM_SUPPLIES 3
47 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
48 "DBVDD",
49 "AVDD1",
50 "AVDD2",
51 };
52
53 struct wm8996_priv {
54 struct device *dev;
55 struct regmap *regmap;
56 struct snd_soc_codec *codec;
57
58 int ldo1ena;
59
60 int sysclk;
61 int sysclk_src;
62
63 int fll_src;
64 int fll_fref;
65 int fll_fout;
66
67 struct completion fll_lock;
68
69 u16 dcs_pending;
70 struct completion dcs_done;
71
72 u16 hpout_ena;
73 u16 hpout_pending;
74
75 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
76 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
77 int bg_ena;
78
79 struct wm8996_pdata pdata;
80
81 int rx_rate[WM8996_AIFS];
82 int bclk_rate[WM8996_AIFS];
83
84 /* Platform dependant ReTune mobile configuration */
85 int num_retune_mobile_texts;
86 const char **retune_mobile_texts;
87 int retune_mobile_cfg[2];
88 struct soc_enum retune_mobile_enum;
89
90 struct snd_soc_jack *jack;
91 bool detecting;
92 bool jack_mic;
93 int jack_flips;
94 wm8996_polarity_fn polarity_cb;
95
96 #ifdef CONFIG_GPIOLIB
97 struct gpio_chip gpio_chip;
98 #endif
99 };
100
101 /* We can't use the same notifier block for more than one supply and
102 * there's no way I can see to get from a callback to the caller
103 * except container_of().
104 */
105 #define WM8996_REGULATOR_EVENT(n) \
106 static int wm8996_regulator_event_##n(struct notifier_block *nb, \
107 unsigned long event, void *data) \
108 { \
109 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
110 disable_nb[n]); \
111 if (event & REGULATOR_EVENT_DISABLE) { \
112 regcache_mark_dirty(wm8996->regmap); \
113 } \
114 return 0; \
115 }
116
117 WM8996_REGULATOR_EVENT(0)
118 WM8996_REGULATOR_EVENT(1)
119 WM8996_REGULATOR_EVENT(2)
120
121 static const struct reg_default wm8996_reg[] = {
122 { WM8996_POWER_MANAGEMENT_1, 0x0 },
123 { WM8996_POWER_MANAGEMENT_2, 0x0 },
124 { WM8996_POWER_MANAGEMENT_3, 0x0 },
125 { WM8996_POWER_MANAGEMENT_4, 0x0 },
126 { WM8996_POWER_MANAGEMENT_5, 0x0 },
127 { WM8996_POWER_MANAGEMENT_6, 0x0 },
128 { WM8996_POWER_MANAGEMENT_7, 0x10 },
129 { WM8996_POWER_MANAGEMENT_8, 0x0 },
130 { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
131 { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
132 { WM8996_LINE_INPUT_CONTROL, 0x0 },
133 { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
134 { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
135 { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
136 { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
137 { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
138 { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
139 { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
140 { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
141 { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
142 { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
143 { WM8996_MICBIAS_1, 0x39 },
144 { WM8996_MICBIAS_2, 0x39 },
145 { WM8996_LDO_1, 0x3 },
146 { WM8996_LDO_2, 0x13 },
147 { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
148 { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
149 { WM8996_HEADPHONE_DETECT_1, 0x20 },
150 { WM8996_HEADPHONE_DETECT_2, 0x0 },
151 { WM8996_MIC_DETECT_1, 0x7600 },
152 { WM8996_MIC_DETECT_2, 0xbf },
153 { WM8996_CHARGE_PUMP_1, 0x1f25 },
154 { WM8996_CHARGE_PUMP_2, 0xab19 },
155 { WM8996_DC_SERVO_1, 0x0 },
156 { WM8996_DC_SERVO_3, 0x0 },
157 { WM8996_DC_SERVO_5, 0x2a2a },
158 { WM8996_DC_SERVO_6, 0x0 },
159 { WM8996_DC_SERVO_7, 0x0 },
160 { WM8996_ANALOGUE_HP_1, 0x0 },
161 { WM8996_ANALOGUE_HP_2, 0x0 },
162 { WM8996_CONTROL_INTERFACE_1, 0x8004 },
163 { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
164 { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
165 { WM8996_AIF_CLOCKING_1, 0x0 },
166 { WM8996_AIF_CLOCKING_2, 0x0 },
167 { WM8996_CLOCKING_1, 0x10 },
168 { WM8996_CLOCKING_2, 0x0 },
169 { WM8996_AIF_RATE, 0x83 },
170 { WM8996_FLL_CONTROL_1, 0x0 },
171 { WM8996_FLL_CONTROL_2, 0x0 },
172 { WM8996_FLL_CONTROL_3, 0x0 },
173 { WM8996_FLL_CONTROL_4, 0x5dc0 },
174 { WM8996_FLL_CONTROL_5, 0xc84 },
175 { WM8996_FLL_EFS_1, 0x0 },
176 { WM8996_FLL_EFS_2, 0x2 },
177 { WM8996_AIF1_CONTROL, 0x0 },
178 { WM8996_AIF1_BCLK, 0x0 },
179 { WM8996_AIF1_TX_LRCLK_1, 0x80 },
180 { WM8996_AIF1_TX_LRCLK_2, 0x8 },
181 { WM8996_AIF1_RX_LRCLK_1, 0x80 },
182 { WM8996_AIF1_RX_LRCLK_2, 0x0 },
183 { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
184 { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
185 { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
186 { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
187 { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
188 { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
189 { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
190 { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
191 { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
192 { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
193 { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
194 { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
195 { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
196 { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
197 { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
198 { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
199 { WM8996_AIF1TX_TEST, 0x7 },
200 { WM8996_AIF2_CONTROL, 0x0 },
201 { WM8996_AIF2_BCLK, 0x0 },
202 { WM8996_AIF2_TX_LRCLK_1, 0x80 },
203 { WM8996_AIF2_TX_LRCLK_2, 0x8 },
204 { WM8996_AIF2_RX_LRCLK_1, 0x80 },
205 { WM8996_AIF2_RX_LRCLK_2, 0x0 },
206 { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
207 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
208 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
209 { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
210 { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
211 { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
212 { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
213 { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
214 { WM8996_AIF2TX_TEST, 0x1 },
215 { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
216 { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
217 { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
218 { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
219 { WM8996_DSP1_TX_FILTERS, 0x2000 },
220 { WM8996_DSP1_RX_FILTERS_1, 0x200 },
221 { WM8996_DSP1_RX_FILTERS_2, 0x10 },
222 { WM8996_DSP1_DRC_1, 0x98 },
223 { WM8996_DSP1_DRC_2, 0x845 },
224 { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
225 { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
226 { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
227 { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
228 { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
229 { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
230 { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
231 { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
232 { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
233 { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
234 { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
235 { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
236 { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
237 { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
238 { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
239 { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
240 { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
241 { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
242 { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
243 { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
244 { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
245 { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
246 { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
247 { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
248 { WM8996_DSP2_TX_FILTERS, 0x2000 },
249 { WM8996_DSP2_RX_FILTERS_1, 0x200 },
250 { WM8996_DSP2_RX_FILTERS_2, 0x10 },
251 { WM8996_DSP2_DRC_1, 0x98 },
252 { WM8996_DSP2_DRC_2, 0x845 },
253 { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
254 { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
255 { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
256 { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
257 { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
258 { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
259 { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
260 { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
261 { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
262 { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
263 { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
264 { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
265 { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
266 { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
267 { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
268 { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
269 { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
270 { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
271 { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
272 { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
273 { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
274 { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
275 { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
276 { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
277 { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
278 { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
279 { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
280 { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
281 { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
282 { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
283 { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
284 { WM8996_DAC_SOFTMUTE, 0x0 },
285 { WM8996_OVERSAMPLING, 0xd },
286 { WM8996_SIDETONE, 0x1040 },
287 { WM8996_GPIO_1, 0xa101 },
288 { WM8996_GPIO_2, 0xa101 },
289 { WM8996_GPIO_3, 0xa101 },
290 { WM8996_GPIO_4, 0xa101 },
291 { WM8996_GPIO_5, 0xa101 },
292 { WM8996_PULL_CONTROL_1, 0x0 },
293 { WM8996_PULL_CONTROL_2, 0x140 },
294 { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
295 { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
296 { WM8996_LEFT_PDM_SPEAKER, 0x0 },
297 { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
298 { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
299 { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
300 };
301
302 static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
303 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
304 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
305 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
306 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
307 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
308 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
309 static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
310
311 static const char *sidetone_hpf_text[] = {
312 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
313 };
314
315 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
316 WM8996_SIDETONE, 7, sidetone_hpf_text);
317
318 static const char *hpf_mode_text[] = {
319 "HiFi", "Custom", "Voice"
320 };
321
322 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
323 WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
324
325 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
326 WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
327
328 static const char *hpf_cutoff_text[] = {
329 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
330 };
331
332 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
333 WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
334
335 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
336 WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
337
338 static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
339 {
340 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
341 struct wm8996_pdata *pdata = &wm8996->pdata;
342 int base, best, best_val, save, i, cfg, iface;
343
344 if (!wm8996->num_retune_mobile_texts)
345 return;
346
347 switch (block) {
348 case 0:
349 base = WM8996_DSP1_RX_EQ_GAINS_1;
350 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
351 WM8996_DSP1RX_SRC)
352 iface = 1;
353 else
354 iface = 0;
355 break;
356 case 1:
357 base = WM8996_DSP1_RX_EQ_GAINS_2;
358 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
359 WM8996_DSP2RX_SRC)
360 iface = 1;
361 else
362 iface = 0;
363 break;
364 default:
365 return;
366 }
367
368 /* Find the version of the currently selected configuration
369 * with the nearest sample rate. */
370 cfg = wm8996->retune_mobile_cfg[block];
371 best = 0;
372 best_val = INT_MAX;
373 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
374 if (strcmp(pdata->retune_mobile_cfgs[i].name,
375 wm8996->retune_mobile_texts[cfg]) == 0 &&
376 abs(pdata->retune_mobile_cfgs[i].rate
377 - wm8996->rx_rate[iface]) < best_val) {
378 best = i;
379 best_val = abs(pdata->retune_mobile_cfgs[i].rate
380 - wm8996->rx_rate[iface]);
381 }
382 }
383
384 dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
385 block,
386 pdata->retune_mobile_cfgs[best].name,
387 pdata->retune_mobile_cfgs[best].rate,
388 wm8996->rx_rate[iface]);
389
390 /* The EQ will be disabled while reconfiguring it, remember the
391 * current configuration.
392 */
393 save = snd_soc_read(codec, base);
394 save &= WM8996_DSP1RX_EQ_ENA;
395
396 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
397 snd_soc_update_bits(codec, base + i, 0xffff,
398 pdata->retune_mobile_cfgs[best].regs[i]);
399
400 snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
401 }
402
403 /* Icky as hell but saves code duplication */
404 static int wm8996_get_retune_mobile_block(const char *name)
405 {
406 if (strcmp(name, "DSP1 EQ Mode") == 0)
407 return 0;
408 if (strcmp(name, "DSP2 EQ Mode") == 0)
409 return 1;
410 return -EINVAL;
411 }
412
413 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
414 struct snd_ctl_elem_value *ucontrol)
415 {
416 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
417 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
418 struct wm8996_pdata *pdata = &wm8996->pdata;
419 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
420 int value = ucontrol->value.enumerated.item[0];
421
422 if (block < 0)
423 return block;
424
425 if (value >= pdata->num_retune_mobile_cfgs)
426 return -EINVAL;
427
428 wm8996->retune_mobile_cfg[block] = value;
429
430 wm8996_set_retune_mobile(codec, block);
431
432 return 0;
433 }
434
435 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
436 struct snd_ctl_elem_value *ucontrol)
437 {
438 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
439 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
440 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
441
442 if (block < 0)
443 return block;
444 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
445
446 return 0;
447 }
448
449 static const struct snd_kcontrol_new wm8996_snd_controls[] = {
450 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
451 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
452 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
453 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
454
455 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
456 0, 5, 24, 0, sidetone_tlv),
457 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
458 0, 5, 24, 0, sidetone_tlv),
459 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
460 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
461 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
462
463 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
464 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
465 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
466 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
467
468 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
469 13, 1, 0),
470 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
471 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
472 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
473
474 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
475 13, 1, 0),
476 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
477 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
478 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
479
480 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
481 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
482 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
483
484 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
485 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
486 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
487
488 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
489 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
490 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
491 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
492
493 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
494 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
495 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
496 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
497
498 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
499 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
500 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
501 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
502
503 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
504 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
505
506 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
507 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
508
509 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
510 0, threedstereo_tlv),
511 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
512 0, threedstereo_tlv),
513
514 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
515 8, 0, out_digital_tlv),
516 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
517 8, 0, out_digital_tlv),
518
519 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
520 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
521 SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
522 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
523
524 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
525 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
526 SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
527 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
528
529 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
530 spk_tlv),
531 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
532 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
533 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
534 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
535
536 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
537 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
538
539 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
540 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
541 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
542 SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
543 WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
544 WM8996_DSP1TXR_DRC_ENA),
545
546 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
547 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
548 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
549 SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
550 WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
551 WM8996_DSP2TXR_DRC_ENA),
552 };
553
554 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
555 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
556 eq_tlv),
557 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
558 eq_tlv),
559 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
560 eq_tlv),
561 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
562 eq_tlv),
563 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
564 eq_tlv),
565
566 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
567 eq_tlv),
568 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
569 eq_tlv),
570 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
571 eq_tlv),
572 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
573 eq_tlv),
574 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
575 eq_tlv),
576 };
577
578 static void wm8996_bg_enable(struct snd_soc_codec *codec)
579 {
580 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
581
582 wm8996->bg_ena++;
583 if (wm8996->bg_ena == 1) {
584 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
585 WM8996_BG_ENA, WM8996_BG_ENA);
586 msleep(2);
587 }
588 }
589
590 static void wm8996_bg_disable(struct snd_soc_codec *codec)
591 {
592 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
593
594 wm8996->bg_ena--;
595 if (!wm8996->bg_ena)
596 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
597 WM8996_BG_ENA, 0);
598 }
599
600 static int bg_event(struct snd_soc_dapm_widget *w,
601 struct snd_kcontrol *kcontrol, int event)
602 {
603 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
604 int ret = 0;
605
606 switch (event) {
607 case SND_SOC_DAPM_PRE_PMU:
608 wm8996_bg_enable(codec);
609 break;
610 case SND_SOC_DAPM_POST_PMD:
611 wm8996_bg_disable(codec);
612 break;
613 default:
614 WARN(1, "Invalid event %d\n", event);
615 ret = -EINVAL;
616 }
617
618 return ret;
619 }
620
621 static int cp_event(struct snd_soc_dapm_widget *w,
622 struct snd_kcontrol *kcontrol, int event)
623 {
624 switch (event) {
625 case SND_SOC_DAPM_POST_PMU:
626 msleep(5);
627 break;
628 default:
629 WARN(1, "Invalid event %d\n", event);
630 }
631
632 return 0;
633 }
634
635 static int rmv_short_event(struct snd_soc_dapm_widget *w,
636 struct snd_kcontrol *kcontrol, int event)
637 {
638 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
639 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
640
641 /* Record which outputs we enabled */
642 switch (event) {
643 case SND_SOC_DAPM_PRE_PMD:
644 wm8996->hpout_pending &= ~w->shift;
645 break;
646 case SND_SOC_DAPM_PRE_PMU:
647 wm8996->hpout_pending |= w->shift;
648 break;
649 default:
650 WARN(1, "Invalid event %d\n", event);
651 return -EINVAL;
652 }
653
654 return 0;
655 }
656
657 static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
658 {
659 struct i2c_client *i2c = to_i2c_client(codec->dev);
660 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
661 int ret;
662 unsigned long timeout = 200;
663
664 snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
665
666 /* Use the interrupt if possible */
667 do {
668 if (i2c->irq) {
669 timeout = wait_for_completion_timeout(&wm8996->dcs_done,
670 msecs_to_jiffies(200));
671 if (timeout == 0)
672 dev_err(codec->dev, "DC servo timed out\n");
673
674 } else {
675 msleep(1);
676 timeout--;
677 }
678
679 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
680 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
681 } while (timeout && ret & mask);
682
683 if (timeout == 0)
684 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
685 else
686 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
687 }
688
689 static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
690 enum snd_soc_dapm_type event, int subseq)
691 {
692 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
693 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
694 u16 val, mask;
695
696 /* Complete any pending DC servo starts */
697 if (wm8996->dcs_pending) {
698 dev_dbg(codec->dev, "Starting DC servo for %x\n",
699 wm8996->dcs_pending);
700
701 /* Trigger a startup sequence */
702 wait_for_dc_servo(codec, wm8996->dcs_pending
703 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
704
705 wm8996->dcs_pending = 0;
706 }
707
708 if (wm8996->hpout_pending != wm8996->hpout_ena) {
709 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
710 wm8996->hpout_ena, wm8996->hpout_pending);
711
712 val = 0;
713 mask = 0;
714 if (wm8996->hpout_pending & HPOUT1L) {
715 val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
716 mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
717 } else {
718 mask |= WM8996_HPOUT1L_RMV_SHORT |
719 WM8996_HPOUT1L_OUTP |
720 WM8996_HPOUT1L_DLY;
721 }
722
723 if (wm8996->hpout_pending & HPOUT1R) {
724 val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
725 mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
726 } else {
727 mask |= WM8996_HPOUT1R_RMV_SHORT |
728 WM8996_HPOUT1R_OUTP |
729 WM8996_HPOUT1R_DLY;
730 }
731
732 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
733
734 val = 0;
735 mask = 0;
736 if (wm8996->hpout_pending & HPOUT2L) {
737 val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
738 mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
739 } else {
740 mask |= WM8996_HPOUT2L_RMV_SHORT |
741 WM8996_HPOUT2L_OUTP |
742 WM8996_HPOUT2L_DLY;
743 }
744
745 if (wm8996->hpout_pending & HPOUT2R) {
746 val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
747 mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
748 } else {
749 mask |= WM8996_HPOUT2R_RMV_SHORT |
750 WM8996_HPOUT2R_OUTP |
751 WM8996_HPOUT2R_DLY;
752 }
753
754 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
755
756 wm8996->hpout_ena = wm8996->hpout_pending;
757 }
758 }
759
760 static int dcs_start(struct snd_soc_dapm_widget *w,
761 struct snd_kcontrol *kcontrol, int event)
762 {
763 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
764 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
765
766 switch (event) {
767 case SND_SOC_DAPM_POST_PMU:
768 wm8996->dcs_pending |= 1 << w->shift;
769 break;
770 default:
771 WARN(1, "Invalid event %d\n", event);
772 return -EINVAL;
773 }
774
775 return 0;
776 }
777
778 static const char *sidetone_text[] = {
779 "IN1", "IN2",
780 };
781
782 static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
783 WM8996_SIDETONE, 0, sidetone_text);
784
785 static const struct snd_kcontrol_new left_sidetone =
786 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
787
788 static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
789 WM8996_SIDETONE, 1, sidetone_text);
790
791 static const struct snd_kcontrol_new right_sidetone =
792 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
793
794 static const char *spk_text[] = {
795 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
796 };
797
798 static SOC_ENUM_SINGLE_DECL(spkl_enum,
799 WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
800
801 static const struct snd_kcontrol_new spkl_mux =
802 SOC_DAPM_ENUM("SPKL", spkl_enum);
803
804 static SOC_ENUM_SINGLE_DECL(spkr_enum,
805 WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
806
807 static const struct snd_kcontrol_new spkr_mux =
808 SOC_DAPM_ENUM("SPKR", spkr_enum);
809
810 static const char *dsp1rx_text[] = {
811 "AIF1", "AIF2"
812 };
813
814 static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
815 WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
816
817 static const struct snd_kcontrol_new dsp1rx =
818 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
819
820 static const char *dsp2rx_text[] = {
821 "AIF2", "AIF1"
822 };
823
824 static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
825 WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
826
827 static const struct snd_kcontrol_new dsp2rx =
828 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
829
830 static const char *aif2tx_text[] = {
831 "DSP2", "DSP1", "AIF1"
832 };
833
834 static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
835 WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
836
837 static const struct snd_kcontrol_new aif2tx =
838 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
839
840 static const char *inmux_text[] = {
841 "ADC", "DMIC1", "DMIC2"
842 };
843
844 static SOC_ENUM_SINGLE_DECL(in1_enum,
845 WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
846
847 static const struct snd_kcontrol_new in1_mux =
848 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
849
850 static SOC_ENUM_SINGLE_DECL(in2_enum,
851 WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
852
853 static const struct snd_kcontrol_new in2_mux =
854 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
855
856 static const struct snd_kcontrol_new dac2r_mix[] = {
857 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
858 5, 1, 0),
859 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
860 4, 1, 0),
861 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
862 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
863 };
864
865 static const struct snd_kcontrol_new dac2l_mix[] = {
866 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
867 5, 1, 0),
868 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
869 4, 1, 0),
870 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
871 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
872 };
873
874 static const struct snd_kcontrol_new dac1r_mix[] = {
875 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
876 5, 1, 0),
877 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
878 4, 1, 0),
879 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
880 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
881 };
882
883 static const struct snd_kcontrol_new dac1l_mix[] = {
884 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
885 5, 1, 0),
886 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
887 4, 1, 0),
888 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
889 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
890 };
891
892 static const struct snd_kcontrol_new dsp1txl[] = {
893 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
894 1, 1, 0),
895 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
896 0, 1, 0),
897 };
898
899 static const struct snd_kcontrol_new dsp1txr[] = {
900 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
901 1, 1, 0),
902 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
903 0, 1, 0),
904 };
905
906 static const struct snd_kcontrol_new dsp2txl[] = {
907 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
908 1, 1, 0),
909 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
910 0, 1, 0),
911 };
912
913 static const struct snd_kcontrol_new dsp2txr[] = {
914 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
915 1, 1, 0),
916 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
917 0, 1, 0),
918 };
919
920
921 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
922 SND_SOC_DAPM_INPUT("IN1LN"),
923 SND_SOC_DAPM_INPUT("IN1LP"),
924 SND_SOC_DAPM_INPUT("IN1RN"),
925 SND_SOC_DAPM_INPUT("IN1RP"),
926
927 SND_SOC_DAPM_INPUT("IN2LN"),
928 SND_SOC_DAPM_INPUT("IN2LP"),
929 SND_SOC_DAPM_INPUT("IN2RN"),
930 SND_SOC_DAPM_INPUT("IN2RP"),
931
932 SND_SOC_DAPM_INPUT("DMIC1DAT"),
933 SND_SOC_DAPM_INPUT("DMIC2DAT"),
934
935 SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
936 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
937 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
938 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
939 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
940 SND_SOC_DAPM_POST_PMU),
941 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
942 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
943 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
944 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
945 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
946 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
947 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
948
949 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
950 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
951
952 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
953 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
954 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
955 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
956
957 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
958 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
959
960 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
961 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
962 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
963 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
964
965 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
966 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
967
968 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
969 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
970
971 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
972 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
973 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
974 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
975
976 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
977 dsp2txl, ARRAY_SIZE(dsp2txl)),
978 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
979 dsp2txr, ARRAY_SIZE(dsp2txr)),
980 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
981 dsp1txl, ARRAY_SIZE(dsp1txl)),
982 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
983 dsp1txr, ARRAY_SIZE(dsp1txr)),
984
985 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
986 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
987 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
988 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
989 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
990 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
991 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
992 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
993
994 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
995 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
996 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
997 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
998
999 SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
1000 SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
1001
1002 SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
1003 SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
1004
1005 SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1006 SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1007 SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1008 SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1009 SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1010 SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1011
1012 SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1013 SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1014 SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1015 SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1016 SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1017 SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1018
1019 /* We route as stereo pairs so define some dummy widgets to squash
1020 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1021 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1022 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1023 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1024 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1025 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1026
1027 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1028 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1029 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1030
1031 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1032 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1033 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1034 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1035
1036 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1037 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1038 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1039 SND_SOC_DAPM_POST_PMU),
1040 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1041 rmv_short_event,
1042 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1043
1044 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1045 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1046 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1047 SND_SOC_DAPM_POST_PMU),
1048 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1049 rmv_short_event,
1050 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1051
1052 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1053 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1054 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1055 SND_SOC_DAPM_POST_PMU),
1056 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1057 rmv_short_event,
1058 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1059
1060 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1061 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1062 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1063 SND_SOC_DAPM_POST_PMU),
1064 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1065 rmv_short_event,
1066 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1067
1068 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1069 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1070 SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1071 SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1072 SND_SOC_DAPM_OUTPUT("SPKDAT"),
1073 };
1074
1075 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1076 { "AIFCLK", NULL, "SYSCLK" },
1077 { "SYSDSPCLK", NULL, "SYSCLK" },
1078 { "Charge Pump", NULL, "SYSCLK" },
1079 { "Charge Pump", NULL, "CPVDD" },
1080
1081 { "MICB1", NULL, "LDO2" },
1082 { "MICB1", NULL, "MICB1 Audio" },
1083 { "MICB1", NULL, "Bandgap" },
1084 { "MICB2", NULL, "LDO2" },
1085 { "MICB2", NULL, "MICB2 Audio" },
1086 { "MICB2", NULL, "Bandgap" },
1087
1088 { "AIF1RX0", NULL, "AIF1 Playback" },
1089 { "AIF1RX1", NULL, "AIF1 Playback" },
1090 { "AIF1RX2", NULL, "AIF1 Playback" },
1091 { "AIF1RX3", NULL, "AIF1 Playback" },
1092 { "AIF1RX4", NULL, "AIF1 Playback" },
1093 { "AIF1RX5", NULL, "AIF1 Playback" },
1094
1095 { "AIF2RX0", NULL, "AIF2 Playback" },
1096 { "AIF2RX1", NULL, "AIF2 Playback" },
1097
1098 { "AIF1 Capture", NULL, "AIF1TX0" },
1099 { "AIF1 Capture", NULL, "AIF1TX1" },
1100 { "AIF1 Capture", NULL, "AIF1TX2" },
1101 { "AIF1 Capture", NULL, "AIF1TX3" },
1102 { "AIF1 Capture", NULL, "AIF1TX4" },
1103 { "AIF1 Capture", NULL, "AIF1TX5" },
1104
1105 { "AIF2 Capture", NULL, "AIF2TX0" },
1106 { "AIF2 Capture", NULL, "AIF2TX1" },
1107
1108 { "IN1L PGA", NULL, "IN2LN" },
1109 { "IN1L PGA", NULL, "IN2LP" },
1110 { "IN1L PGA", NULL, "IN1LN" },
1111 { "IN1L PGA", NULL, "IN1LP" },
1112 { "IN1L PGA", NULL, "Bandgap" },
1113
1114 { "IN1R PGA", NULL, "IN2RN" },
1115 { "IN1R PGA", NULL, "IN2RP" },
1116 { "IN1R PGA", NULL, "IN1RN" },
1117 { "IN1R PGA", NULL, "IN1RP" },
1118 { "IN1R PGA", NULL, "Bandgap" },
1119
1120 { "ADCL", NULL, "IN1L PGA" },
1121
1122 { "ADCR", NULL, "IN1R PGA" },
1123
1124 { "DMIC1L", NULL, "DMIC1DAT" },
1125 { "DMIC1R", NULL, "DMIC1DAT" },
1126 { "DMIC2L", NULL, "DMIC2DAT" },
1127 { "DMIC2R", NULL, "DMIC2DAT" },
1128
1129 { "DMIC2L", NULL, "DMIC2" },
1130 { "DMIC2R", NULL, "DMIC2" },
1131 { "DMIC1L", NULL, "DMIC1" },
1132 { "DMIC1R", NULL, "DMIC1" },
1133
1134 { "IN1L Mux", "ADC", "ADCL" },
1135 { "IN1L Mux", "DMIC1", "DMIC1L" },
1136 { "IN1L Mux", "DMIC2", "DMIC2L" },
1137
1138 { "IN1R Mux", "ADC", "ADCR" },
1139 { "IN1R Mux", "DMIC1", "DMIC1R" },
1140 { "IN1R Mux", "DMIC2", "DMIC2R" },
1141
1142 { "IN2L Mux", "ADC", "ADCL" },
1143 { "IN2L Mux", "DMIC1", "DMIC1L" },
1144 { "IN2L Mux", "DMIC2", "DMIC2L" },
1145
1146 { "IN2R Mux", "ADC", "ADCR" },
1147 { "IN2R Mux", "DMIC1", "DMIC1R" },
1148 { "IN2R Mux", "DMIC2", "DMIC2R" },
1149
1150 { "Left Sidetone", "IN1", "IN1L Mux" },
1151 { "Left Sidetone", "IN2", "IN2L Mux" },
1152
1153 { "Right Sidetone", "IN1", "IN1R Mux" },
1154 { "Right Sidetone", "IN2", "IN2R Mux" },
1155
1156 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1157 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1158
1159 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1160 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1161
1162 { "AIF1TX0", NULL, "DSP1TXL" },
1163 { "AIF1TX1", NULL, "DSP1TXR" },
1164 { "AIF1TX2", NULL, "DSP2TXL" },
1165 { "AIF1TX3", NULL, "DSP2TXR" },
1166 { "AIF1TX4", NULL, "AIF2RX0" },
1167 { "AIF1TX5", NULL, "AIF2RX1" },
1168
1169 { "AIF1RX0", NULL, "AIFCLK" },
1170 { "AIF1RX1", NULL, "AIFCLK" },
1171 { "AIF1RX2", NULL, "AIFCLK" },
1172 { "AIF1RX3", NULL, "AIFCLK" },
1173 { "AIF1RX4", NULL, "AIFCLK" },
1174 { "AIF1RX5", NULL, "AIFCLK" },
1175
1176 { "AIF2RX0", NULL, "AIFCLK" },
1177 { "AIF2RX1", NULL, "AIFCLK" },
1178
1179 { "AIF1TX0", NULL, "AIFCLK" },
1180 { "AIF1TX1", NULL, "AIFCLK" },
1181 { "AIF1TX2", NULL, "AIFCLK" },
1182 { "AIF1TX3", NULL, "AIFCLK" },
1183 { "AIF1TX4", NULL, "AIFCLK" },
1184 { "AIF1TX5", NULL, "AIFCLK" },
1185
1186 { "AIF2TX0", NULL, "AIFCLK" },
1187 { "AIF2TX1", NULL, "AIFCLK" },
1188
1189 { "DSP1RXL", NULL, "SYSDSPCLK" },
1190 { "DSP1RXR", NULL, "SYSDSPCLK" },
1191 { "DSP2RXL", NULL, "SYSDSPCLK" },
1192 { "DSP2RXR", NULL, "SYSDSPCLK" },
1193 { "DSP1TXL", NULL, "SYSDSPCLK" },
1194 { "DSP1TXR", NULL, "SYSDSPCLK" },
1195 { "DSP2TXL", NULL, "SYSDSPCLK" },
1196 { "DSP2TXR", NULL, "SYSDSPCLK" },
1197
1198 { "AIF1RXA", NULL, "AIF1RX0" },
1199 { "AIF1RXA", NULL, "AIF1RX1" },
1200 { "AIF1RXB", NULL, "AIF1RX2" },
1201 { "AIF1RXB", NULL, "AIF1RX3" },
1202 { "AIF1RXC", NULL, "AIF1RX4" },
1203 { "AIF1RXC", NULL, "AIF1RX5" },
1204
1205 { "AIF2RX", NULL, "AIF2RX0" },
1206 { "AIF2RX", NULL, "AIF2RX1" },
1207
1208 { "AIF2TX", "DSP2", "DSP2TX" },
1209 { "AIF2TX", "DSP1", "DSP1RX" },
1210 { "AIF2TX", "AIF1", "AIF1RXC" },
1211
1212 { "DSP1RXL", NULL, "DSP1RX" },
1213 { "DSP1RXR", NULL, "DSP1RX" },
1214 { "DSP2RXL", NULL, "DSP2RX" },
1215 { "DSP2RXR", NULL, "DSP2RX" },
1216
1217 { "DSP2TX", NULL, "DSP2TXL" },
1218 { "DSP2TX", NULL, "DSP2TXR" },
1219
1220 { "DSP1RX", "AIF1", "AIF1RXA" },
1221 { "DSP1RX", "AIF2", "AIF2RX" },
1222
1223 { "DSP2RX", "AIF1", "AIF1RXB" },
1224 { "DSP2RX", "AIF2", "AIF2RX" },
1225
1226 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1227 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1228 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1229 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1230
1231 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1232 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1233 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1234 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1235
1236 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1237 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1238 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1239 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1240
1241 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1242 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1243 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1244 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1245
1246 { "DAC1L", NULL, "DAC1L Mixer" },
1247 { "DAC1R", NULL, "DAC1R Mixer" },
1248 { "DAC2L", NULL, "DAC2L Mixer" },
1249 { "DAC2R", NULL, "DAC2R Mixer" },
1250
1251 { "HPOUT2L PGA", NULL, "Charge Pump" },
1252 { "HPOUT2L PGA", NULL, "Bandgap" },
1253 { "HPOUT2L PGA", NULL, "DAC2L" },
1254 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1255 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1256 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1257
1258 { "HPOUT2R PGA", NULL, "Charge Pump" },
1259 { "HPOUT2R PGA", NULL, "Bandgap" },
1260 { "HPOUT2R PGA", NULL, "DAC2R" },
1261 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1262 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1263 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1264
1265 { "HPOUT1L PGA", NULL, "Charge Pump" },
1266 { "HPOUT1L PGA", NULL, "Bandgap" },
1267 { "HPOUT1L PGA", NULL, "DAC1L" },
1268 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1269 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1270 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1271
1272 { "HPOUT1R PGA", NULL, "Charge Pump" },
1273 { "HPOUT1R PGA", NULL, "Bandgap" },
1274 { "HPOUT1R PGA", NULL, "DAC1R" },
1275 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1276 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1277 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1278
1279 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1280 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1281 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1282 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1283
1284 { "SPKL", "DAC1L", "DAC1L" },
1285 { "SPKL", "DAC1R", "DAC1R" },
1286 { "SPKL", "DAC2L", "DAC2L" },
1287 { "SPKL", "DAC2R", "DAC2R" },
1288
1289 { "SPKR", "DAC1L", "DAC1L" },
1290 { "SPKR", "DAC1R", "DAC1R" },
1291 { "SPKR", "DAC2L", "DAC2L" },
1292 { "SPKR", "DAC2R", "DAC2R" },
1293
1294 { "SPKL PGA", NULL, "SPKL" },
1295 { "SPKR PGA", NULL, "SPKR" },
1296
1297 { "SPKDAT", NULL, "SPKL PGA" },
1298 { "SPKDAT", NULL, "SPKR PGA" },
1299 };
1300
1301 static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1302 {
1303 /* Due to the sparseness of the register map the compiler
1304 * output from an explicit switch statement ends up being much
1305 * more efficient than a table.
1306 */
1307 switch (reg) {
1308 case WM8996_SOFTWARE_RESET:
1309 case WM8996_POWER_MANAGEMENT_1:
1310 case WM8996_POWER_MANAGEMENT_2:
1311 case WM8996_POWER_MANAGEMENT_3:
1312 case WM8996_POWER_MANAGEMENT_4:
1313 case WM8996_POWER_MANAGEMENT_5:
1314 case WM8996_POWER_MANAGEMENT_6:
1315 case WM8996_POWER_MANAGEMENT_7:
1316 case WM8996_POWER_MANAGEMENT_8:
1317 case WM8996_LEFT_LINE_INPUT_VOLUME:
1318 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1319 case WM8996_LINE_INPUT_CONTROL:
1320 case WM8996_DAC1_HPOUT1_VOLUME:
1321 case WM8996_DAC2_HPOUT2_VOLUME:
1322 case WM8996_DAC1_LEFT_VOLUME:
1323 case WM8996_DAC1_RIGHT_VOLUME:
1324 case WM8996_DAC2_LEFT_VOLUME:
1325 case WM8996_DAC2_RIGHT_VOLUME:
1326 case WM8996_OUTPUT1_LEFT_VOLUME:
1327 case WM8996_OUTPUT1_RIGHT_VOLUME:
1328 case WM8996_OUTPUT2_LEFT_VOLUME:
1329 case WM8996_OUTPUT2_RIGHT_VOLUME:
1330 case WM8996_MICBIAS_1:
1331 case WM8996_MICBIAS_2:
1332 case WM8996_LDO_1:
1333 case WM8996_LDO_2:
1334 case WM8996_ACCESSORY_DETECT_MODE_1:
1335 case WM8996_ACCESSORY_DETECT_MODE_2:
1336 case WM8996_HEADPHONE_DETECT_1:
1337 case WM8996_HEADPHONE_DETECT_2:
1338 case WM8996_MIC_DETECT_1:
1339 case WM8996_MIC_DETECT_2:
1340 case WM8996_MIC_DETECT_3:
1341 case WM8996_CHARGE_PUMP_1:
1342 case WM8996_CHARGE_PUMP_2:
1343 case WM8996_DC_SERVO_1:
1344 case WM8996_DC_SERVO_2:
1345 case WM8996_DC_SERVO_3:
1346 case WM8996_DC_SERVO_5:
1347 case WM8996_DC_SERVO_6:
1348 case WM8996_DC_SERVO_7:
1349 case WM8996_DC_SERVO_READBACK_0:
1350 case WM8996_ANALOGUE_HP_1:
1351 case WM8996_ANALOGUE_HP_2:
1352 case WM8996_CHIP_REVISION:
1353 case WM8996_CONTROL_INTERFACE_1:
1354 case WM8996_WRITE_SEQUENCER_CTRL_1:
1355 case WM8996_WRITE_SEQUENCER_CTRL_2:
1356 case WM8996_AIF_CLOCKING_1:
1357 case WM8996_AIF_CLOCKING_2:
1358 case WM8996_CLOCKING_1:
1359 case WM8996_CLOCKING_2:
1360 case WM8996_AIF_RATE:
1361 case WM8996_FLL_CONTROL_1:
1362 case WM8996_FLL_CONTROL_2:
1363 case WM8996_FLL_CONTROL_3:
1364 case WM8996_FLL_CONTROL_4:
1365 case WM8996_FLL_CONTROL_5:
1366 case WM8996_FLL_CONTROL_6:
1367 case WM8996_FLL_EFS_1:
1368 case WM8996_FLL_EFS_2:
1369 case WM8996_AIF1_CONTROL:
1370 case WM8996_AIF1_BCLK:
1371 case WM8996_AIF1_TX_LRCLK_1:
1372 case WM8996_AIF1_TX_LRCLK_2:
1373 case WM8996_AIF1_RX_LRCLK_1:
1374 case WM8996_AIF1_RX_LRCLK_2:
1375 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1376 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1377 case WM8996_AIF1RX_DATA_CONFIGURATION:
1378 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1379 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1380 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1381 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1382 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1383 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1384 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1385 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1386 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1387 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1388 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1389 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1390 case WM8996_AIF1RX_MONO_CONFIGURATION:
1391 case WM8996_AIF1TX_TEST:
1392 case WM8996_AIF2_CONTROL:
1393 case WM8996_AIF2_BCLK:
1394 case WM8996_AIF2_TX_LRCLK_1:
1395 case WM8996_AIF2_TX_LRCLK_2:
1396 case WM8996_AIF2_RX_LRCLK_1:
1397 case WM8996_AIF2_RX_LRCLK_2:
1398 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1399 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1400 case WM8996_AIF2RX_DATA_CONFIGURATION:
1401 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1402 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1403 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1404 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1405 case WM8996_AIF2RX_MONO_CONFIGURATION:
1406 case WM8996_AIF2TX_TEST:
1407 case WM8996_DSP1_TX_LEFT_VOLUME:
1408 case WM8996_DSP1_TX_RIGHT_VOLUME:
1409 case WM8996_DSP1_RX_LEFT_VOLUME:
1410 case WM8996_DSP1_RX_RIGHT_VOLUME:
1411 case WM8996_DSP1_TX_FILTERS:
1412 case WM8996_DSP1_RX_FILTERS_1:
1413 case WM8996_DSP1_RX_FILTERS_2:
1414 case WM8996_DSP1_DRC_1:
1415 case WM8996_DSP1_DRC_2:
1416 case WM8996_DSP1_DRC_3:
1417 case WM8996_DSP1_DRC_4:
1418 case WM8996_DSP1_DRC_5:
1419 case WM8996_DSP1_RX_EQ_GAINS_1:
1420 case WM8996_DSP1_RX_EQ_GAINS_2:
1421 case WM8996_DSP1_RX_EQ_BAND_1_A:
1422 case WM8996_DSP1_RX_EQ_BAND_1_B:
1423 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1424 case WM8996_DSP1_RX_EQ_BAND_2_A:
1425 case WM8996_DSP1_RX_EQ_BAND_2_B:
1426 case WM8996_DSP1_RX_EQ_BAND_2_C:
1427 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1428 case WM8996_DSP1_RX_EQ_BAND_3_A:
1429 case WM8996_DSP1_RX_EQ_BAND_3_B:
1430 case WM8996_DSP1_RX_EQ_BAND_3_C:
1431 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1432 case WM8996_DSP1_RX_EQ_BAND_4_A:
1433 case WM8996_DSP1_RX_EQ_BAND_4_B:
1434 case WM8996_DSP1_RX_EQ_BAND_4_C:
1435 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1436 case WM8996_DSP1_RX_EQ_BAND_5_A:
1437 case WM8996_DSP1_RX_EQ_BAND_5_B:
1438 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1439 case WM8996_DSP2_TX_LEFT_VOLUME:
1440 case WM8996_DSP2_TX_RIGHT_VOLUME:
1441 case WM8996_DSP2_RX_LEFT_VOLUME:
1442 case WM8996_DSP2_RX_RIGHT_VOLUME:
1443 case WM8996_DSP2_TX_FILTERS:
1444 case WM8996_DSP2_RX_FILTERS_1:
1445 case WM8996_DSP2_RX_FILTERS_2:
1446 case WM8996_DSP2_DRC_1:
1447 case WM8996_DSP2_DRC_2:
1448 case WM8996_DSP2_DRC_3:
1449 case WM8996_DSP2_DRC_4:
1450 case WM8996_DSP2_DRC_5:
1451 case WM8996_DSP2_RX_EQ_GAINS_1:
1452 case WM8996_DSP2_RX_EQ_GAINS_2:
1453 case WM8996_DSP2_RX_EQ_BAND_1_A:
1454 case WM8996_DSP2_RX_EQ_BAND_1_B:
1455 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1456 case WM8996_DSP2_RX_EQ_BAND_2_A:
1457 case WM8996_DSP2_RX_EQ_BAND_2_B:
1458 case WM8996_DSP2_RX_EQ_BAND_2_C:
1459 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1460 case WM8996_DSP2_RX_EQ_BAND_3_A:
1461 case WM8996_DSP2_RX_EQ_BAND_3_B:
1462 case WM8996_DSP2_RX_EQ_BAND_3_C:
1463 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1464 case WM8996_DSP2_RX_EQ_BAND_4_A:
1465 case WM8996_DSP2_RX_EQ_BAND_4_B:
1466 case WM8996_DSP2_RX_EQ_BAND_4_C:
1467 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1468 case WM8996_DSP2_RX_EQ_BAND_5_A:
1469 case WM8996_DSP2_RX_EQ_BAND_5_B:
1470 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1471 case WM8996_DAC1_MIXER_VOLUMES:
1472 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1473 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1474 case WM8996_DAC2_MIXER_VOLUMES:
1475 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1476 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1477 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1478 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1479 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1480 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1481 case WM8996_DSP_TX_MIXER_SELECT:
1482 case WM8996_DAC_SOFTMUTE:
1483 case WM8996_OVERSAMPLING:
1484 case WM8996_SIDETONE:
1485 case WM8996_GPIO_1:
1486 case WM8996_GPIO_2:
1487 case WM8996_GPIO_3:
1488 case WM8996_GPIO_4:
1489 case WM8996_GPIO_5:
1490 case WM8996_PULL_CONTROL_1:
1491 case WM8996_PULL_CONTROL_2:
1492 case WM8996_INTERRUPT_STATUS_1:
1493 case WM8996_INTERRUPT_STATUS_2:
1494 case WM8996_INTERRUPT_RAW_STATUS_2:
1495 case WM8996_INTERRUPT_STATUS_1_MASK:
1496 case WM8996_INTERRUPT_STATUS_2_MASK:
1497 case WM8996_INTERRUPT_CONTROL:
1498 case WM8996_LEFT_PDM_SPEAKER:
1499 case WM8996_RIGHT_PDM_SPEAKER:
1500 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1501 case WM8996_PDM_SPEAKER_VOLUME:
1502 return 1;
1503 default:
1504 return 0;
1505 }
1506 }
1507
1508 static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1509 {
1510 switch (reg) {
1511 case WM8996_SOFTWARE_RESET:
1512 case WM8996_CHIP_REVISION:
1513 case WM8996_LDO_1:
1514 case WM8996_LDO_2:
1515 case WM8996_INTERRUPT_STATUS_1:
1516 case WM8996_INTERRUPT_STATUS_2:
1517 case WM8996_INTERRUPT_RAW_STATUS_2:
1518 case WM8996_DC_SERVO_READBACK_0:
1519 case WM8996_DC_SERVO_2:
1520 case WM8996_DC_SERVO_6:
1521 case WM8996_DC_SERVO_7:
1522 case WM8996_FLL_CONTROL_6:
1523 case WM8996_MIC_DETECT_3:
1524 case WM8996_HEADPHONE_DETECT_1:
1525 case WM8996_HEADPHONE_DETECT_2:
1526 return 1;
1527 default:
1528 return 0;
1529 }
1530 }
1531
1532 static const int bclk_divs[] = {
1533 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1534 };
1535
1536 static void wm8996_update_bclk(struct snd_soc_codec *codec)
1537 {
1538 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1539 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1540
1541 /* Don't bother if we're in a low frequency idle mode that
1542 * can't support audio.
1543 */
1544 if (wm8996->sysclk < 64000)
1545 return;
1546
1547 for (aif = 0; aif < WM8996_AIFS; aif++) {
1548 switch (aif) {
1549 case 0:
1550 bclk_reg = WM8996_AIF1_BCLK;
1551 break;
1552 case 1:
1553 bclk_reg = WM8996_AIF2_BCLK;
1554 break;
1555 }
1556
1557 bclk_rate = wm8996->bclk_rate[aif];
1558
1559 /* Pick a divisor for BCLK as close as we can get to ideal */
1560 best = 0;
1561 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1562 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1563 if (cur_val < 0) /* BCLK table is sorted */
1564 break;
1565 best = i;
1566 }
1567 bclk_rate = wm8996->sysclk / bclk_divs[best];
1568 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1569 bclk_divs[best], bclk_rate);
1570
1571 snd_soc_update_bits(codec, bclk_reg,
1572 WM8996_AIF1_BCLK_DIV_MASK, best);
1573 }
1574 }
1575
1576 static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1577 enum snd_soc_bias_level level)
1578 {
1579 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1580 int ret;
1581
1582 switch (level) {
1583 case SND_SOC_BIAS_ON:
1584 break;
1585 case SND_SOC_BIAS_PREPARE:
1586 /* Put the MICBIASes into regulating mode */
1587 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1588 WM8996_MICB1_MODE, 0);
1589 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1590 WM8996_MICB2_MODE, 0);
1591 break;
1592
1593 case SND_SOC_BIAS_STANDBY:
1594 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1595 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1596 wm8996->supplies);
1597 if (ret != 0) {
1598 dev_err(codec->dev,
1599 "Failed to enable supplies: %d\n",
1600 ret);
1601 return ret;
1602 }
1603
1604 if (wm8996->pdata.ldo_ena >= 0) {
1605 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1606 1);
1607 msleep(5);
1608 }
1609
1610 regcache_cache_only(wm8996->regmap, false);
1611 regcache_sync(wm8996->regmap);
1612 }
1613
1614 /* Bypass the MICBIASes for lowest power */
1615 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1616 WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1617 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1618 WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1619 break;
1620
1621 case SND_SOC_BIAS_OFF:
1622 regcache_cache_only(wm8996->regmap, true);
1623 if (wm8996->pdata.ldo_ena >= 0) {
1624 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1625 regcache_cache_only(wm8996->regmap, true);
1626 }
1627 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1628 wm8996->supplies);
1629 break;
1630 }
1631
1632 return 0;
1633 }
1634
1635 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1636 {
1637 struct snd_soc_codec *codec = dai->codec;
1638 int aifctrl = 0;
1639 int bclk = 0;
1640 int lrclk_tx = 0;
1641 int lrclk_rx = 0;
1642 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1643
1644 switch (dai->id) {
1645 case 0:
1646 aifctrl_reg = WM8996_AIF1_CONTROL;
1647 bclk_reg = WM8996_AIF1_BCLK;
1648 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1649 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1650 break;
1651 case 1:
1652 aifctrl_reg = WM8996_AIF2_CONTROL;
1653 bclk_reg = WM8996_AIF2_BCLK;
1654 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1655 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1656 break;
1657 default:
1658 WARN(1, "Invalid dai id %d\n", dai->id);
1659 return -EINVAL;
1660 }
1661
1662 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1663 case SND_SOC_DAIFMT_NB_NF:
1664 break;
1665 case SND_SOC_DAIFMT_IB_NF:
1666 bclk |= WM8996_AIF1_BCLK_INV;
1667 break;
1668 case SND_SOC_DAIFMT_NB_IF:
1669 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1670 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1671 break;
1672 case SND_SOC_DAIFMT_IB_IF:
1673 bclk |= WM8996_AIF1_BCLK_INV;
1674 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1675 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1676 break;
1677 }
1678
1679 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1680 case SND_SOC_DAIFMT_CBS_CFS:
1681 break;
1682 case SND_SOC_DAIFMT_CBS_CFM:
1683 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1684 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1685 break;
1686 case SND_SOC_DAIFMT_CBM_CFS:
1687 bclk |= WM8996_AIF1_BCLK_MSTR;
1688 break;
1689 case SND_SOC_DAIFMT_CBM_CFM:
1690 bclk |= WM8996_AIF1_BCLK_MSTR;
1691 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1692 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1693 break;
1694 default:
1695 return -EINVAL;
1696 }
1697
1698 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1699 case SND_SOC_DAIFMT_DSP_A:
1700 break;
1701 case SND_SOC_DAIFMT_DSP_B:
1702 aifctrl |= 1;
1703 break;
1704 case SND_SOC_DAIFMT_I2S:
1705 aifctrl |= 2;
1706 break;
1707 case SND_SOC_DAIFMT_LEFT_J:
1708 aifctrl |= 3;
1709 break;
1710 default:
1711 return -EINVAL;
1712 }
1713
1714 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1715 snd_soc_update_bits(codec, bclk_reg,
1716 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1717 bclk);
1718 snd_soc_update_bits(codec, lrclk_tx_reg,
1719 WM8996_AIF1TX_LRCLK_INV |
1720 WM8996_AIF1TX_LRCLK_MSTR,
1721 lrclk_tx);
1722 snd_soc_update_bits(codec, lrclk_rx_reg,
1723 WM8996_AIF1RX_LRCLK_INV |
1724 WM8996_AIF1RX_LRCLK_MSTR,
1725 lrclk_rx);
1726
1727 return 0;
1728 }
1729
1730 static const int dsp_divs[] = {
1731 48000, 32000, 16000, 8000
1732 };
1733
1734 static int wm8996_hw_params(struct snd_pcm_substream *substream,
1735 struct snd_pcm_hw_params *params,
1736 struct snd_soc_dai *dai)
1737 {
1738 struct snd_soc_codec *codec = dai->codec;
1739 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1740 int bits, i, bclk_rate, best;
1741 int aifdata = 0;
1742 int lrclk = 0;
1743 int dsp = 0;
1744 int aifdata_reg, lrclk_reg, dsp_shift;
1745
1746 switch (dai->id) {
1747 case 0:
1748 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1749 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1750 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1751 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1752 } else {
1753 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1754 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1755 }
1756 dsp_shift = 0;
1757 break;
1758 case 1:
1759 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1760 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1761 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1762 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1763 } else {
1764 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1765 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1766 }
1767 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1768 break;
1769 default:
1770 WARN(1, "Invalid dai id %d\n", dai->id);
1771 return -EINVAL;
1772 }
1773
1774 bclk_rate = snd_soc_params_to_bclk(params);
1775 if (bclk_rate < 0) {
1776 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1777 return bclk_rate;
1778 }
1779
1780 wm8996->bclk_rate[dai->id] = bclk_rate;
1781 wm8996->rx_rate[dai->id] = params_rate(params);
1782
1783 /* Needs looking at for TDM */
1784 bits = params_width(params);
1785 if (bits < 0)
1786 return bits;
1787 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1788
1789 best = 0;
1790 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1791 if (abs(dsp_divs[i] - params_rate(params)) <
1792 abs(dsp_divs[best] - params_rate(params)))
1793 best = i;
1794 }
1795 dsp |= i << dsp_shift;
1796
1797 wm8996_update_bclk(codec);
1798
1799 lrclk = bclk_rate / params_rate(params);
1800 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1801 lrclk, bclk_rate / lrclk);
1802
1803 snd_soc_update_bits(codec, aifdata_reg,
1804 WM8996_AIF1TX_WL_MASK |
1805 WM8996_AIF1TX_SLOT_LEN_MASK,
1806 aifdata);
1807 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1808 lrclk);
1809 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1810 WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1811
1812 return 0;
1813 }
1814
1815 static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1816 int clk_id, unsigned int freq, int dir)
1817 {
1818 struct snd_soc_codec *codec = dai->codec;
1819 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1820 int lfclk = 0;
1821 int ratediv = 0;
1822 int sync = WM8996_REG_SYNC;
1823 int src;
1824 int old;
1825
1826 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1827 return 0;
1828
1829 /* Disable SYSCLK while we reconfigure */
1830 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1831 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1832 WM8996_SYSCLK_ENA, 0);
1833
1834 switch (clk_id) {
1835 case WM8996_SYSCLK_MCLK1:
1836 wm8996->sysclk = freq;
1837 src = 0;
1838 break;
1839 case WM8996_SYSCLK_MCLK2:
1840 wm8996->sysclk = freq;
1841 src = 1;
1842 break;
1843 case WM8996_SYSCLK_FLL:
1844 wm8996->sysclk = freq;
1845 src = 2;
1846 break;
1847 default:
1848 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1849 return -EINVAL;
1850 }
1851
1852 switch (wm8996->sysclk) {
1853 case 5644800:
1854 case 6144000:
1855 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1856 WM8996_SYSCLK_RATE, 0);
1857 break;
1858 case 22579200:
1859 case 24576000:
1860 ratediv = WM8996_SYSCLK_DIV;
1861 wm8996->sysclk /= 2;
1862 case 11289600:
1863 case 12288000:
1864 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1865 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1866 break;
1867 case 32000:
1868 case 32768:
1869 lfclk = WM8996_LFCLK_ENA;
1870 sync = 0;
1871 break;
1872 default:
1873 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1874 wm8996->sysclk);
1875 return -EINVAL;
1876 }
1877
1878 wm8996_update_bclk(codec);
1879
1880 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1881 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1882 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1883 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1884 snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1885 WM8996_REG_SYNC, sync);
1886 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1887 WM8996_SYSCLK_ENA, old);
1888
1889 wm8996->sysclk_src = clk_id;
1890
1891 return 0;
1892 }
1893
1894 struct _fll_div {
1895 u16 fll_fratio;
1896 u16 fll_outdiv;
1897 u16 fll_refclk_div;
1898 u16 fll_loop_gain;
1899 u16 fll_ref_freq;
1900 u16 n;
1901 u16 theta;
1902 u16 lambda;
1903 };
1904
1905 static struct {
1906 unsigned int min;
1907 unsigned int max;
1908 u16 fll_fratio;
1909 int ratio;
1910 } fll_fratios[] = {
1911 { 0, 64000, 4, 16 },
1912 { 64000, 128000, 3, 8 },
1913 { 128000, 256000, 2, 4 },
1914 { 256000, 1000000, 1, 2 },
1915 { 1000000, 13500000, 0, 1 },
1916 };
1917
1918 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1919 unsigned int Fout)
1920 {
1921 unsigned int target;
1922 unsigned int div;
1923 unsigned int fratio, gcd_fll;
1924 int i;
1925
1926 /* Fref must be <=13.5MHz */
1927 div = 1;
1928 fll_div->fll_refclk_div = 0;
1929 while ((Fref / div) > 13500000) {
1930 div *= 2;
1931 fll_div->fll_refclk_div++;
1932
1933 if (div > 8) {
1934 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1935 Fref);
1936 return -EINVAL;
1937 }
1938 }
1939
1940 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1941
1942 /* Apply the division for our remaining calculations */
1943 Fref /= div;
1944
1945 if (Fref >= 3000000)
1946 fll_div->fll_loop_gain = 5;
1947 else
1948 fll_div->fll_loop_gain = 0;
1949
1950 if (Fref >= 48000)
1951 fll_div->fll_ref_freq = 0;
1952 else
1953 fll_div->fll_ref_freq = 1;
1954
1955 /* Fvco should be 90-100MHz; don't check the upper bound */
1956 div = 2;
1957 while (Fout * div < 90000000) {
1958 div++;
1959 if (div > 64) {
1960 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1961 Fout);
1962 return -EINVAL;
1963 }
1964 }
1965 target = Fout * div;
1966 fll_div->fll_outdiv = div - 1;
1967
1968 pr_debug("FLL Fvco=%dHz\n", target);
1969
1970 /* Find an appropraite FLL_FRATIO and factor it out of the target */
1971 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1972 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1973 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1974 fratio = fll_fratios[i].ratio;
1975 break;
1976 }
1977 }
1978 if (i == ARRAY_SIZE(fll_fratios)) {
1979 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1980 return -EINVAL;
1981 }
1982
1983 fll_div->n = target / (fratio * Fref);
1984
1985 if (target % Fref == 0) {
1986 fll_div->theta = 0;
1987 fll_div->lambda = 0;
1988 } else {
1989 gcd_fll = gcd(target, fratio * Fref);
1990
1991 fll_div->theta = (target - (fll_div->n * fratio * Fref))
1992 / gcd_fll;
1993 fll_div->lambda = (fratio * Fref) / gcd_fll;
1994 }
1995
1996 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
1997 fll_div->n, fll_div->theta, fll_div->lambda);
1998 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
1999 fll_div->fll_fratio, fll_div->fll_outdiv,
2000 fll_div->fll_refclk_div);
2001
2002 return 0;
2003 }
2004
2005 static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2006 unsigned int Fref, unsigned int Fout)
2007 {
2008 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2009 struct i2c_client *i2c = to_i2c_client(codec->dev);
2010 struct _fll_div fll_div;
2011 unsigned long timeout, time_left;
2012 int ret, reg, retry;
2013
2014 /* Any change? */
2015 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2016 Fout == wm8996->fll_fout)
2017 return 0;
2018
2019 if (Fout == 0) {
2020 dev_dbg(codec->dev, "FLL disabled\n");
2021
2022 wm8996->fll_fref = 0;
2023 wm8996->fll_fout = 0;
2024
2025 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2026 WM8996_FLL_ENA, 0);
2027
2028 wm8996_bg_disable(codec);
2029
2030 return 0;
2031 }
2032
2033 ret = fll_factors(&fll_div, Fref, Fout);
2034 if (ret != 0)
2035 return ret;
2036
2037 switch (source) {
2038 case WM8996_FLL_MCLK1:
2039 reg = 0;
2040 break;
2041 case WM8996_FLL_MCLK2:
2042 reg = 1;
2043 break;
2044 case WM8996_FLL_DACLRCLK1:
2045 reg = 2;
2046 break;
2047 case WM8996_FLL_BCLK1:
2048 reg = 3;
2049 break;
2050 default:
2051 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2052 return -EINVAL;
2053 }
2054
2055 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2056 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2057
2058 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2059 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2060 WM8996_FLL_REFCLK_SRC_MASK, reg);
2061
2062 reg = 0;
2063 if (fll_div.theta || fll_div.lambda)
2064 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2065 else
2066 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2067 snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2068
2069 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2070 WM8996_FLL_OUTDIV_MASK |
2071 WM8996_FLL_FRATIO_MASK,
2072 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2073 (fll_div.fll_fratio));
2074
2075 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2076
2077 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2078 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2079 (fll_div.n << WM8996_FLL_N_SHIFT) |
2080 fll_div.fll_loop_gain);
2081
2082 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2083
2084 /* Enable the bandgap if it's not already enabled */
2085 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2086 if (!(ret & WM8996_FLL_ENA))
2087 wm8996_bg_enable(codec);
2088
2089 /* Clear any pending completions (eg, from failed startups) */
2090 try_wait_for_completion(&wm8996->fll_lock);
2091
2092 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2093 WM8996_FLL_ENA, WM8996_FLL_ENA);
2094
2095 /* The FLL supports live reconfiguration - kick that in case we were
2096 * already enabled.
2097 */
2098 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2099
2100 /* Wait for the FLL to lock, using the interrupt if possible */
2101 if (Fref > 1000000)
2102 timeout = usecs_to_jiffies(300);
2103 else
2104 timeout = msecs_to_jiffies(2);
2105
2106 /* Allow substantially longer if we've actually got the IRQ, poll
2107 * at a slightly higher rate if we don't.
2108 */
2109 if (i2c->irq)
2110 timeout *= 10;
2111 else
2112 /* ensure timeout of atleast 1 jiffies */
2113 timeout = timeout/2 ? : 1;
2114
2115 for (retry = 0; retry < 10; retry++) {
2116 time_left = wait_for_completion_timeout(&wm8996->fll_lock,
2117 timeout);
2118 if (time_left != 0) {
2119 WARN_ON(!i2c->irq);
2120 ret = 1;
2121 break;
2122 }
2123
2124 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2125 if (ret & WM8996_FLL_LOCK_STS)
2126 break;
2127 }
2128 if (retry == 10) {
2129 dev_err(codec->dev, "Timed out waiting for FLL\n");
2130 ret = -ETIMEDOUT;
2131 }
2132
2133 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2134
2135 wm8996->fll_fref = Fref;
2136 wm8996->fll_fout = Fout;
2137 wm8996->fll_src = source;
2138
2139 return ret;
2140 }
2141
2142 #ifdef CONFIG_GPIOLIB
2143 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2144 {
2145 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2146
2147 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2148 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2149 }
2150
2151 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2152 unsigned offset, int value)
2153 {
2154 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2155 int val;
2156
2157 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2158
2159 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2160 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2161 WM8996_GP1_LVL, val);
2162 }
2163
2164 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2165 {
2166 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2167 unsigned int reg;
2168 int ret;
2169
2170 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
2171 if (ret < 0)
2172 return ret;
2173
2174 return (reg & WM8996_GP1_LVL) != 0;
2175 }
2176
2177 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2178 {
2179 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2180
2181 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2182 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2183 (1 << WM8996_GP1_FN_SHIFT) |
2184 (1 << WM8996_GP1_DIR_SHIFT));
2185 }
2186
2187 static const struct gpio_chip wm8996_template_chip = {
2188 .label = "wm8996",
2189 .owner = THIS_MODULE,
2190 .direction_output = wm8996_gpio_direction_out,
2191 .set = wm8996_gpio_set,
2192 .direction_input = wm8996_gpio_direction_in,
2193 .get = wm8996_gpio_get,
2194 .can_sleep = 1,
2195 };
2196
2197 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2198 {
2199 int ret;
2200
2201 wm8996->gpio_chip = wm8996_template_chip;
2202 wm8996->gpio_chip.ngpio = 5;
2203 wm8996->gpio_chip.parent = wm8996->dev;
2204
2205 if (wm8996->pdata.gpio_base)
2206 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2207 else
2208 wm8996->gpio_chip.base = -1;
2209
2210 ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996);
2211 if (ret != 0)
2212 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2213 }
2214
2215 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2216 {
2217 gpiochip_remove(&wm8996->gpio_chip);
2218 }
2219 #else
2220 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2221 {
2222 }
2223
2224 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2225 {
2226 }
2227 #endif
2228
2229 /**
2230 * wm8996_detect - Enable default WM8996 jack detection
2231 *
2232 * The WM8996 has advanced accessory detection support for headsets.
2233 * This function provides a default implementation which integrates
2234 * the majority of this functionality with minimal user configuration.
2235 *
2236 * This will detect headset, headphone and short circuit button and
2237 * will also detect inverted microphone ground connections and update
2238 * the polarity of the connections.
2239 */
2240 int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2241 wm8996_polarity_fn polarity_cb)
2242 {
2243 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2244 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2245
2246 wm8996->jack = jack;
2247 wm8996->detecting = true;
2248 wm8996->polarity_cb = polarity_cb;
2249 wm8996->jack_flips = 0;
2250
2251 if (wm8996->polarity_cb)
2252 wm8996->polarity_cb(codec, 0);
2253
2254 /* Clear discarge to avoid noise during detection */
2255 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2256 WM8996_MICB1_DISCH, 0);
2257 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2258 WM8996_MICB2_DISCH, 0);
2259
2260 /* LDO2 powers the microphones, SYSCLK clocks detection */
2261 snd_soc_dapm_mutex_lock(dapm);
2262
2263 snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2264 snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2265
2266 snd_soc_dapm_mutex_unlock(dapm);
2267
2268 /* We start off just enabling microphone detection - even a
2269 * plain headphone will trigger detection.
2270 */
2271 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2272 WM8996_MICD_ENA, WM8996_MICD_ENA);
2273
2274 /* Slowest detection rate, gives debounce for initial detection */
2275 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2276 WM8996_MICD_RATE_MASK,
2277 WM8996_MICD_RATE_MASK);
2278
2279 /* Enable interrupts and we're off */
2280 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2281 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2282
2283 return 0;
2284 }
2285 EXPORT_SYMBOL_GPL(wm8996_detect);
2286
2287 static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2288 {
2289 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2290 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2291 int val, reg, report;
2292
2293 /* Assume headphone in error conditions; we need to report
2294 * something or we stall our state machine.
2295 */
2296 report = SND_JACK_HEADPHONE;
2297
2298 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2299 if (reg < 0) {
2300 dev_err(codec->dev, "Failed to read HPDET status\n");
2301 goto out;
2302 }
2303
2304 if (!(reg & WM8996_HP_DONE)) {
2305 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2306 goto out;
2307 }
2308
2309 val = reg & WM8996_HP_LVL_MASK;
2310
2311 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2312
2313 /* If we've got high enough impedence then report as line,
2314 * otherwise assume headphone.
2315 */
2316 if (val >= 126)
2317 report = SND_JACK_LINEOUT;
2318 else
2319 report = SND_JACK_HEADPHONE;
2320
2321 out:
2322 if (wm8996->jack_mic)
2323 report |= SND_JACK_MICROPHONE;
2324
2325 snd_soc_jack_report(wm8996->jack, report,
2326 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2327
2328 wm8996->detecting = false;
2329
2330 /* If the output isn't running re-clamp it */
2331 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2332 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2333 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2334 WM8996_HPOUT1L_RMV_SHORT |
2335 WM8996_HPOUT1R_RMV_SHORT, 0);
2336
2337 /* Go back to looking at the microphone */
2338 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2339 WM8996_JD_MODE_MASK, 0);
2340 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2341 WM8996_MICD_ENA);
2342
2343 snd_soc_dapm_disable_pin(dapm, "Bandgap");
2344 snd_soc_dapm_sync(dapm);
2345 }
2346
2347 static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2348 {
2349 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2350
2351 /* Unclamp the output, we can't measure while we're shorting it */
2352 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2353 WM8996_HPOUT1L_RMV_SHORT |
2354 WM8996_HPOUT1R_RMV_SHORT,
2355 WM8996_HPOUT1L_RMV_SHORT |
2356 WM8996_HPOUT1R_RMV_SHORT);
2357
2358 /* We need bandgap for HPDET */
2359 snd_soc_dapm_force_enable_pin(dapm, "Bandgap");
2360 snd_soc_dapm_sync(dapm);
2361
2362 /* Go into headphone detect left mode */
2363 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2364 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2365 WM8996_JD_MODE_MASK, 1);
2366
2367 /* Trigger a measurement */
2368 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2369 WM8996_HP_POLL, WM8996_HP_POLL);
2370 }
2371
2372 static void wm8996_report_headphone(struct snd_soc_codec *codec)
2373 {
2374 dev_dbg(codec->dev, "Headphone detected\n");
2375 wm8996_hpdet_start(codec);
2376
2377 /* Increase the detection rate a bit for responsiveness. */
2378 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2379 WM8996_MICD_RATE_MASK |
2380 WM8996_MICD_BIAS_STARTTIME_MASK,
2381 7 << WM8996_MICD_RATE_SHIFT |
2382 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2383 }
2384
2385 static void wm8996_micd(struct snd_soc_codec *codec)
2386 {
2387 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2388 int val, reg;
2389
2390 val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2391
2392 dev_dbg(codec->dev, "Microphone event: %x\n", val);
2393
2394 if (!(val & WM8996_MICD_VALID)) {
2395 dev_warn(codec->dev, "Microphone detection state invalid\n");
2396 return;
2397 }
2398
2399 /* No accessory, reset everything and report removal */
2400 if (!(val & WM8996_MICD_STS)) {
2401 dev_dbg(codec->dev, "Jack removal detected\n");
2402 wm8996->jack_mic = false;
2403 wm8996->detecting = true;
2404 wm8996->jack_flips = 0;
2405 snd_soc_jack_report(wm8996->jack, 0,
2406 SND_JACK_LINEOUT | SND_JACK_HEADSET |
2407 SND_JACK_BTN_0);
2408
2409 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2410 WM8996_MICD_RATE_MASK |
2411 WM8996_MICD_BIAS_STARTTIME_MASK,
2412 WM8996_MICD_RATE_MASK |
2413 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2414 return;
2415 }
2416
2417 /* If the measurement is very high we've got a microphone,
2418 * either we just detected one or if we already reported then
2419 * we've got a button release event.
2420 */
2421 if (val & 0x400) {
2422 if (wm8996->detecting) {
2423 dev_dbg(codec->dev, "Microphone detected\n");
2424 wm8996->jack_mic = true;
2425 wm8996_hpdet_start(codec);
2426
2427 /* Increase poll rate to give better responsiveness
2428 * for buttons */
2429 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2430 WM8996_MICD_RATE_MASK |
2431 WM8996_MICD_BIAS_STARTTIME_MASK,
2432 5 << WM8996_MICD_RATE_SHIFT |
2433 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2434 } else {
2435 dev_dbg(codec->dev, "Mic button up\n");
2436 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2437 }
2438
2439 return;
2440 }
2441
2442 /* If we detected a lower impedence during initial startup
2443 * then we probably have the wrong polarity, flip it. Don't
2444 * do this for the lowest impedences to speed up detection of
2445 * plain headphones. If both polarities report a low
2446 * impedence then give up and report headphones.
2447 */
2448 if (wm8996->detecting && (val & 0x3f0)) {
2449 wm8996->jack_flips++;
2450
2451 if (wm8996->jack_flips > 1) {
2452 wm8996_report_headphone(codec);
2453 return;
2454 }
2455
2456 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2457 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2458 WM8996_MICD_BIAS_SRC;
2459 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2460 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2461 WM8996_MICD_BIAS_SRC, reg);
2462
2463 if (wm8996->polarity_cb)
2464 wm8996->polarity_cb(codec,
2465 (reg & WM8996_MICD_SRC) != 0);
2466
2467 dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2468 (reg & WM8996_MICD_SRC) != 0);
2469
2470 return;
2471 }
2472
2473 /* Don't distinguish between buttons, just report any low
2474 * impedence as BTN_0.
2475 */
2476 if (val & 0x3fc) {
2477 if (wm8996->jack_mic) {
2478 dev_dbg(codec->dev, "Mic button detected\n");
2479 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2480 SND_JACK_BTN_0);
2481 } else if (wm8996->detecting) {
2482 wm8996_report_headphone(codec);
2483 }
2484 }
2485 }
2486
2487 static irqreturn_t wm8996_irq(int irq, void *data)
2488 {
2489 struct snd_soc_codec *codec = data;
2490 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2491 int irq_val;
2492
2493 irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2494 if (irq_val < 0) {
2495 dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2496 irq_val);
2497 return IRQ_NONE;
2498 }
2499 irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2500
2501 if (!irq_val)
2502 return IRQ_NONE;
2503
2504 snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2505
2506 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2507 dev_dbg(codec->dev, "DC servo IRQ\n");
2508 complete(&wm8996->dcs_done);
2509 }
2510
2511 if (irq_val & WM8996_FIFOS_ERR_EINT)
2512 dev_err(codec->dev, "Digital core FIFO error\n");
2513
2514 if (irq_val & WM8996_FLL_LOCK_EINT) {
2515 dev_dbg(codec->dev, "FLL locked\n");
2516 complete(&wm8996->fll_lock);
2517 }
2518
2519 if (irq_val & WM8996_MICD_EINT)
2520 wm8996_micd(codec);
2521
2522 if (irq_val & WM8996_HP_DONE_EINT)
2523 wm8996_hpdet_irq(codec);
2524
2525 return IRQ_HANDLED;
2526 }
2527
2528 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2529 {
2530 irqreturn_t ret = IRQ_NONE;
2531 irqreturn_t val;
2532
2533 do {
2534 val = wm8996_irq(irq, data);
2535 if (val != IRQ_NONE)
2536 ret = val;
2537 } while (val != IRQ_NONE);
2538
2539 return ret;
2540 }
2541
2542 static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2543 {
2544 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2545 struct wm8996_pdata *pdata = &wm8996->pdata;
2546
2547 struct snd_kcontrol_new controls[] = {
2548 SOC_ENUM_EXT("DSP1 EQ Mode",
2549 wm8996->retune_mobile_enum,
2550 wm8996_get_retune_mobile_enum,
2551 wm8996_put_retune_mobile_enum),
2552 SOC_ENUM_EXT("DSP2 EQ Mode",
2553 wm8996->retune_mobile_enum,
2554 wm8996_get_retune_mobile_enum,
2555 wm8996_put_retune_mobile_enum),
2556 };
2557 int ret, i, j;
2558 const char **t;
2559
2560 /* We need an array of texts for the enum API but the number
2561 * of texts is likely to be less than the number of
2562 * configurations due to the sample rate dependency of the
2563 * configurations. */
2564 wm8996->num_retune_mobile_texts = 0;
2565 wm8996->retune_mobile_texts = NULL;
2566 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2567 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2568 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2569 wm8996->retune_mobile_texts[j]) == 0)
2570 break;
2571 }
2572
2573 if (j != wm8996->num_retune_mobile_texts)
2574 continue;
2575
2576 /* Expand the array... */
2577 t = krealloc(wm8996->retune_mobile_texts,
2578 sizeof(char *) *
2579 (wm8996->num_retune_mobile_texts + 1),
2580 GFP_KERNEL);
2581 if (t == NULL)
2582 continue;
2583
2584 /* ...store the new entry... */
2585 t[wm8996->num_retune_mobile_texts] =
2586 pdata->retune_mobile_cfgs[i].name;
2587
2588 /* ...and remember the new version. */
2589 wm8996->num_retune_mobile_texts++;
2590 wm8996->retune_mobile_texts = t;
2591 }
2592
2593 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2594 wm8996->num_retune_mobile_texts);
2595
2596 wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2597 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2598
2599 ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2600 if (ret != 0)
2601 dev_err(codec->dev,
2602 "Failed to add ReTune Mobile controls: %d\n", ret);
2603 }
2604
2605 static const struct regmap_config wm8996_regmap = {
2606 .reg_bits = 16,
2607 .val_bits = 16,
2608
2609 .max_register = WM8996_MAX_REGISTER,
2610 .reg_defaults = wm8996_reg,
2611 .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2612 .volatile_reg = wm8996_volatile_register,
2613 .readable_reg = wm8996_readable_register,
2614 .cache_type = REGCACHE_RBTREE,
2615 };
2616
2617 static int wm8996_probe(struct snd_soc_codec *codec)
2618 {
2619 int ret;
2620 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2621 struct i2c_client *i2c = to_i2c_client(codec->dev);
2622 int irq_flags;
2623
2624 wm8996->codec = codec;
2625
2626 init_completion(&wm8996->dcs_done);
2627 init_completion(&wm8996->fll_lock);
2628
2629 if (wm8996->pdata.num_retune_mobile_cfgs)
2630 wm8996_retune_mobile_pdata(codec);
2631 else
2632 snd_soc_add_codec_controls(codec, wm8996_eq_controls,
2633 ARRAY_SIZE(wm8996_eq_controls));
2634
2635 if (i2c->irq) {
2636 if (wm8996->pdata.irq_flags)
2637 irq_flags = wm8996->pdata.irq_flags;
2638 else
2639 irq_flags = IRQF_TRIGGER_LOW;
2640
2641 irq_flags |= IRQF_ONESHOT;
2642
2643 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2644 ret = request_threaded_irq(i2c->irq, NULL,
2645 wm8996_edge_irq,
2646 irq_flags, "wm8996", codec);
2647 else
2648 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2649 irq_flags, "wm8996", codec);
2650
2651 if (ret == 0) {
2652 /* Unmask the interrupt */
2653 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2654 WM8996_IM_IRQ, 0);
2655
2656 /* Enable error reporting and DC servo status */
2657 snd_soc_update_bits(codec,
2658 WM8996_INTERRUPT_STATUS_2_MASK,
2659 WM8996_IM_DCS_DONE_23_EINT |
2660 WM8996_IM_DCS_DONE_01_EINT |
2661 WM8996_IM_FLL_LOCK_EINT |
2662 WM8996_IM_FIFOS_ERR_EINT,
2663 0);
2664 } else {
2665 dev_err(codec->dev, "Failed to request IRQ: %d\n",
2666 ret);
2667 return ret;
2668 }
2669 }
2670
2671 return 0;
2672 }
2673
2674 static int wm8996_remove(struct snd_soc_codec *codec)
2675 {
2676 struct i2c_client *i2c = to_i2c_client(codec->dev);
2677
2678 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2679 WM8996_IM_IRQ, WM8996_IM_IRQ);
2680
2681 if (i2c->irq)
2682 free_irq(i2c->irq, codec);
2683
2684 return 0;
2685 }
2686
2687 static const struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
2688 .probe = wm8996_probe,
2689 .remove = wm8996_remove,
2690 .set_bias_level = wm8996_set_bias_level,
2691 .idle_bias_off = true,
2692 .seq_notifier = wm8996_seq_notifier,
2693 .component_driver = {
2694 .controls = wm8996_snd_controls,
2695 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
2696 .dapm_widgets = wm8996_dapm_widgets,
2697 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
2698 .dapm_routes = wm8996_dapm_routes,
2699 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
2700 },
2701 .set_pll = wm8996_set_fll,
2702 };
2703
2704 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2705 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2706 SNDRV_PCM_RATE_48000)
2707 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2708 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2709 SNDRV_PCM_FMTBIT_S32_LE)
2710
2711 static const struct snd_soc_dai_ops wm8996_dai_ops = {
2712 .set_fmt = wm8996_set_fmt,
2713 .hw_params = wm8996_hw_params,
2714 .set_sysclk = wm8996_set_sysclk,
2715 };
2716
2717 static struct snd_soc_dai_driver wm8996_dai[] = {
2718 {
2719 .name = "wm8996-aif1",
2720 .playback = {
2721 .stream_name = "AIF1 Playback",
2722 .channels_min = 1,
2723 .channels_max = 6,
2724 .rates = WM8996_RATES,
2725 .formats = WM8996_FORMATS,
2726 .sig_bits = 24,
2727 },
2728 .capture = {
2729 .stream_name = "AIF1 Capture",
2730 .channels_min = 1,
2731 .channels_max = 6,
2732 .rates = WM8996_RATES,
2733 .formats = WM8996_FORMATS,
2734 .sig_bits = 24,
2735 },
2736 .ops = &wm8996_dai_ops,
2737 },
2738 {
2739 .name = "wm8996-aif2",
2740 .playback = {
2741 .stream_name = "AIF2 Playback",
2742 .channels_min = 1,
2743 .channels_max = 2,
2744 .rates = WM8996_RATES,
2745 .formats = WM8996_FORMATS,
2746 .sig_bits = 24,
2747 },
2748 .capture = {
2749 .stream_name = "AIF2 Capture",
2750 .channels_min = 1,
2751 .channels_max = 2,
2752 .rates = WM8996_RATES,
2753 .formats = WM8996_FORMATS,
2754 .sig_bits = 24,
2755 },
2756 .ops = &wm8996_dai_ops,
2757 },
2758 };
2759
2760 static int wm8996_i2c_probe(struct i2c_client *i2c,
2761 const struct i2c_device_id *id)
2762 {
2763 struct wm8996_priv *wm8996;
2764 int ret, i;
2765 unsigned int reg;
2766
2767 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2768 GFP_KERNEL);
2769 if (wm8996 == NULL)
2770 return -ENOMEM;
2771
2772 i2c_set_clientdata(i2c, wm8996);
2773 wm8996->dev = &i2c->dev;
2774
2775 if (dev_get_platdata(&i2c->dev))
2776 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2777 sizeof(wm8996->pdata));
2778
2779 if (wm8996->pdata.ldo_ena > 0) {
2780 ret = gpio_request_one(wm8996->pdata.ldo_ena,
2781 GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2782 if (ret < 0) {
2783 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2784 wm8996->pdata.ldo_ena, ret);
2785 goto err;
2786 }
2787 }
2788
2789 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2790 wm8996->supplies[i].supply = wm8996_supply_names[i];
2791
2792 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2793 wm8996->supplies);
2794 if (ret != 0) {
2795 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2796 goto err_gpio;
2797 }
2798
2799 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2800 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2801 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2802
2803 /* This should really be moved into the regulator core */
2804 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2805 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2806 &wm8996->disable_nb[i]);
2807 if (ret != 0) {
2808 dev_err(&i2c->dev,
2809 "Failed to register regulator notifier: %d\n",
2810 ret);
2811 }
2812 }
2813
2814 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2815 wm8996->supplies);
2816 if (ret != 0) {
2817 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2818 goto err_gpio;
2819 }
2820
2821 if (wm8996->pdata.ldo_ena > 0) {
2822 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2823 msleep(5);
2824 }
2825
2826 wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2827 if (IS_ERR(wm8996->regmap)) {
2828 ret = PTR_ERR(wm8996->regmap);
2829 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2830 goto err_enable;
2831 }
2832
2833 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
2834 if (ret < 0) {
2835 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2836 goto err_regmap;
2837 }
2838 if (reg != 0x8915) {
2839 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2840 ret = -EINVAL;
2841 goto err_regmap;
2842 }
2843
2844 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
2845 if (ret < 0) {
2846 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2847 ret);
2848 goto err_regmap;
2849 }
2850
2851 dev_info(&i2c->dev, "revision %c\n",
2852 (reg & WM8996_CHIP_REV_MASK) + 'A');
2853
2854 if (wm8996->pdata.ldo_ena > 0) {
2855 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2856 regcache_cache_only(wm8996->regmap, true);
2857 } else {
2858 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2859 0x8915);
2860 if (ret != 0) {
2861 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2862 goto err_regmap;
2863 }
2864 }
2865
2866 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2867
2868 /* Apply platform data settings */
2869 regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2870 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2871 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2872 wm8996->pdata.inr_mode);
2873
2874 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2875 if (!wm8996->pdata.gpio_default[i])
2876 continue;
2877
2878 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2879 wm8996->pdata.gpio_default[i] & 0xffff);
2880 }
2881
2882 if (wm8996->pdata.spkmute_seq)
2883 regmap_update_bits(wm8996->regmap,
2884 WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2885 WM8996_SPK_MUTE_ENDIAN |
2886 WM8996_SPK_MUTE_SEQ1_MASK,
2887 wm8996->pdata.spkmute_seq);
2888
2889 regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2890 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2891 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2892
2893 /* Latch volume update bits */
2894 regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2895 WM8996_IN1_VU, WM8996_IN1_VU);
2896 regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2897 WM8996_IN1_VU, WM8996_IN1_VU);
2898
2899 regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2900 WM8996_DAC1_VU, WM8996_DAC1_VU);
2901 regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2902 WM8996_DAC1_VU, WM8996_DAC1_VU);
2903 regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2904 WM8996_DAC2_VU, WM8996_DAC2_VU);
2905 regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2906 WM8996_DAC2_VU, WM8996_DAC2_VU);
2907
2908 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2909 WM8996_DAC1_VU, WM8996_DAC1_VU);
2910 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2911 WM8996_DAC1_VU, WM8996_DAC1_VU);
2912 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2913 WM8996_DAC2_VU, WM8996_DAC2_VU);
2914 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2915 WM8996_DAC2_VU, WM8996_DAC2_VU);
2916
2917 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2918 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2919 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2920 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2921 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2922 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2923 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2924 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2925
2926 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2927 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2928 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2929 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2930 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2931 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2932 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2933 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2934
2935 /* No support currently for the underclocked TDM modes and
2936 * pick a default TDM layout with each channel pair working with
2937 * slots 0 and 1. */
2938 regmap_update_bits(wm8996->regmap,
2939 WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2940 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2941 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2942 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2943 regmap_update_bits(wm8996->regmap,
2944 WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2945 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2946 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2947 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2948 regmap_update_bits(wm8996->regmap,
2949 WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2950 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2951 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2952 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2953 regmap_update_bits(wm8996->regmap,
2954 WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2955 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2956 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2957 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2958 regmap_update_bits(wm8996->regmap,
2959 WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2960 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2961 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2962 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2963 regmap_update_bits(wm8996->regmap,
2964 WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2965 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2966 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2967 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2968
2969 regmap_update_bits(wm8996->regmap,
2970 WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2971 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2972 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2973 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2974 regmap_update_bits(wm8996->regmap,
2975 WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2976 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2977 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2978 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2979
2980 regmap_update_bits(wm8996->regmap,
2981 WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2982 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2983 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2984 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2985 regmap_update_bits(wm8996->regmap,
2986 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2987 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2988 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2989 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2990 regmap_update_bits(wm8996->regmap,
2991 WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2992 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2993 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2994 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2995 regmap_update_bits(wm8996->regmap,
2996 WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2997 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2998 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2999 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
3000 regmap_update_bits(wm8996->regmap,
3001 WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3002 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3003 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3004 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3005 regmap_update_bits(wm8996->regmap,
3006 WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3007 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3008 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3009 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3010
3011 regmap_update_bits(wm8996->regmap,
3012 WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3013 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3014 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3015 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3016 regmap_update_bits(wm8996->regmap,
3017 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3018 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3019 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3020 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3021
3022 /* If the TX LRCLK pins are not in LRCLK mode configure the
3023 * AIFs to source their clocks from the RX LRCLKs.
3024 */
3025 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
3026 if (ret != 0) {
3027 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3028 goto err_regmap;
3029 }
3030
3031 if (reg & WM8996_GP1_FN_MASK)
3032 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3033 WM8996_AIF1TX_LRCLK_MODE,
3034 WM8996_AIF1TX_LRCLK_MODE);
3035
3036 ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
3037 if (ret != 0) {
3038 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3039 goto err_regmap;
3040 }
3041
3042 if (reg & WM8996_GP2_FN_MASK)
3043 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3044 WM8996_AIF2TX_LRCLK_MODE,
3045 WM8996_AIF2TX_LRCLK_MODE);
3046
3047 wm8996_init_gpio(wm8996);
3048
3049 ret = snd_soc_register_codec(&i2c->dev,
3050 &soc_codec_dev_wm8996, wm8996_dai,
3051 ARRAY_SIZE(wm8996_dai));
3052 if (ret < 0)
3053 goto err_gpiolib;
3054
3055 return ret;
3056
3057 err_gpiolib:
3058 wm8996_free_gpio(wm8996);
3059 err_regmap:
3060 err_enable:
3061 if (wm8996->pdata.ldo_ena > 0)
3062 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3063 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3064 err_gpio:
3065 if (wm8996->pdata.ldo_ena > 0)
3066 gpio_free(wm8996->pdata.ldo_ena);
3067 err:
3068
3069 return ret;
3070 }
3071
3072 static int wm8996_i2c_remove(struct i2c_client *client)
3073 {
3074 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3075 int i;
3076
3077 snd_soc_unregister_codec(&client->dev);
3078 wm8996_free_gpio(wm8996);
3079 if (wm8996->pdata.ldo_ena > 0) {
3080 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3081 gpio_free(wm8996->pdata.ldo_ena);
3082 }
3083 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3084 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3085 &wm8996->disable_nb[i]);
3086
3087 return 0;
3088 }
3089
3090 static const struct i2c_device_id wm8996_i2c_id[] = {
3091 { "wm8996", 0 },
3092 { }
3093 };
3094 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3095
3096 static struct i2c_driver wm8996_i2c_driver = {
3097 .driver = {
3098 .name = "wm8996",
3099 },
3100 .probe = wm8996_i2c_probe,
3101 .remove = wm8996_i2c_remove,
3102 .id_table = wm8996_i2c_id,
3103 };
3104
3105 module_i2c_driver(wm8996_i2c_driver);
3106
3107 MODULE_DESCRIPTION("ASoC WM8996 driver");
3108 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3109 MODULE_LICENSE("GPL");
Linux with added FPC-III support