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jme: Fix device PM wakeup API usage
[linux/fpc-iii.git] / sound / soc / codecs / wm8996.c
blob69266332760ebad71bed763449afa2f8eb8079a9
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.h>
21 #include <linux/i2c.h>
22 #include <linux/regmap.h>
23 #include <linux/regulator/consumer.h>
24 #include <linux/slab.h>
25 #include <linux/workqueue.h>
26 #include <sound/core.h>
27 #include <sound/jack.h>
28 #include <sound/pcm.h>
29 #include <sound/pcm_params.h>
30 #include <sound/soc.h>
31 #include <sound/initval.h>
32 #include <sound/tlv.h>
33 #include <trace/events/asoc.h>
34
35 #include <sound/wm8996.h>
36 #include "wm8996.h"
37
38 #define WM8996_AIFS 2
39
40 #define HPOUT1L 1
41 #define HPOUT1R 2
42 #define HPOUT2L 4
43 #define HPOUT2R 8
44
45 #define WM8996_NUM_SUPPLIES 3
46 static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
47 "DBVDD",
48 "AVDD1",
49 "AVDD2",
50 };
51
52 struct wm8996_priv {
53 struct device *dev;
54 struct regmap *regmap;
55 struct snd_soc_codec *codec;
56
57 int ldo1ena;
58
59 int sysclk;
60 int sysclk_src;
61
62 int fll_src;
63 int fll_fref;
64 int fll_fout;
65
66 struct completion fll_lock;
67
68 u16 dcs_pending;
69 struct completion dcs_done;
70
71 u16 hpout_ena;
72 u16 hpout_pending;
73
74 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
75 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
76 int bg_ena;
77
78 struct wm8996_pdata pdata;
79
80 int rx_rate[WM8996_AIFS];
81 int bclk_rate[WM8996_AIFS];
82
83 /* Platform dependant ReTune mobile configuration */
84 int num_retune_mobile_texts;
85 const char **retune_mobile_texts;
86 int retune_mobile_cfg[2];
87 struct soc_enum retune_mobile_enum;
88
89 struct snd_soc_jack *jack;
90 bool detecting;
91 bool jack_mic;
92 int jack_flips;
93 wm8996_polarity_fn polarity_cb;
94
95 #ifdef CONFIG_GPIOLIB
96 struct gpio_chip gpio_chip;
97 #endif
98 };
99
100 /* We can't use the same notifier block for more than one supply and
101 * there's no way I can see to get from a callback to the caller
102 * except container_of().
103 */
104 #define WM8996_REGULATOR_EVENT(n) \
105 static int wm8996_regulator_event_##n(struct notifier_block *nb, \
106 unsigned long event, void *data) \
107 { \
108 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
109 disable_nb[n]); \
110 if (event & REGULATOR_EVENT_DISABLE) { \
111 regcache_mark_dirty(wm8996->regmap); \
112 } \
113 return 0; \
114 }
115
116 WM8996_REGULATOR_EVENT(0)
117 WM8996_REGULATOR_EVENT(1)
118 WM8996_REGULATOR_EVENT(2)
119
120 static struct reg_default wm8996_reg[] = {
121 { WM8996_POWER_MANAGEMENT_1, 0x0 },
122 { WM8996_POWER_MANAGEMENT_2, 0x0 },
123 { WM8996_POWER_MANAGEMENT_3, 0x0 },
124 { WM8996_POWER_MANAGEMENT_4, 0x0 },
125 { WM8996_POWER_MANAGEMENT_5, 0x0 },
126 { WM8996_POWER_MANAGEMENT_6, 0x0 },
127 { WM8996_POWER_MANAGEMENT_7, 0x10 },
128 { WM8996_POWER_MANAGEMENT_8, 0x0 },
129 { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
130 { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
131 { WM8996_LINE_INPUT_CONTROL, 0x0 },
132 { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
133 { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
134 { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
135 { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
136 { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
137 { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
138 { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
139 { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
140 { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
141 { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
142 { WM8996_MICBIAS_1, 0x39 },
143 { WM8996_MICBIAS_2, 0x39 },
144 { WM8996_LDO_1, 0x3 },
145 { WM8996_LDO_2, 0x13 },
146 { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
147 { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
148 { WM8996_HEADPHONE_DETECT_1, 0x20 },
149 { WM8996_HEADPHONE_DETECT_2, 0x0 },
150 { WM8996_MIC_DETECT_1, 0x7600 },
151 { WM8996_MIC_DETECT_2, 0xbf },
152 { WM8996_CHARGE_PUMP_1, 0x1f25 },
153 { WM8996_CHARGE_PUMP_2, 0xab19 },
154 { WM8996_DC_SERVO_1, 0x0 },
155 { WM8996_DC_SERVO_3, 0x0 },
156 { WM8996_DC_SERVO_5, 0x2a2a },
157 { WM8996_DC_SERVO_6, 0x0 },
158 { WM8996_DC_SERVO_7, 0x0 },
159 { WM8996_ANALOGUE_HP_1, 0x0 },
160 { WM8996_ANALOGUE_HP_2, 0x0 },
161 { WM8996_CONTROL_INTERFACE_1, 0x8004 },
162 { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
163 { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
164 { WM8996_AIF_CLOCKING_1, 0x0 },
165 { WM8996_AIF_CLOCKING_2, 0x0 },
166 { WM8996_CLOCKING_1, 0x10 },
167 { WM8996_CLOCKING_2, 0x0 },
168 { WM8996_AIF_RATE, 0x83 },
169 { WM8996_FLL_CONTROL_1, 0x0 },
170 { WM8996_FLL_CONTROL_2, 0x0 },
171 { WM8996_FLL_CONTROL_3, 0x0 },
172 { WM8996_FLL_CONTROL_4, 0x5dc0 },
173 { WM8996_FLL_CONTROL_5, 0xc84 },
174 { WM8996_FLL_EFS_1, 0x0 },
175 { WM8996_FLL_EFS_2, 0x2 },
176 { WM8996_AIF1_CONTROL, 0x0 },
177 { WM8996_AIF1_BCLK, 0x0 },
178 { WM8996_AIF1_TX_LRCLK_1, 0x80 },
179 { WM8996_AIF1_TX_LRCLK_2, 0x8 },
180 { WM8996_AIF1_RX_LRCLK_1, 0x80 },
181 { WM8996_AIF1_RX_LRCLK_2, 0x0 },
182 { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
183 { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
184 { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
185 { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
186 { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
187 { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
188 { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
189 { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
190 { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
191 { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
192 { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
193 { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
194 { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
195 { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
196 { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
197 { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
198 { WM8996_AIF1TX_TEST, 0x7 },
199 { WM8996_AIF2_CONTROL, 0x0 },
200 { WM8996_AIF2_BCLK, 0x0 },
201 { WM8996_AIF2_TX_LRCLK_1, 0x80 },
202 { WM8996_AIF2_TX_LRCLK_2, 0x8 },
203 { WM8996_AIF2_RX_LRCLK_1, 0x80 },
204 { WM8996_AIF2_RX_LRCLK_2, 0x0 },
205 { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
206 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
207 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
208 { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
209 { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
210 { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
211 { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
212 { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
213 { WM8996_AIF2TX_TEST, 0x1 },
214 { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
215 { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
216 { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
217 { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
218 { WM8996_DSP1_TX_FILTERS, 0x2000 },
219 { WM8996_DSP1_RX_FILTERS_1, 0x200 },
220 { WM8996_DSP1_RX_FILTERS_2, 0x10 },
221 { WM8996_DSP1_DRC_1, 0x98 },
222 { WM8996_DSP1_DRC_2, 0x845 },
223 { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
224 { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
225 { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
226 { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
227 { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
228 { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
229 { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
230 { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
231 { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
232 { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
233 { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
234 { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
235 { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
236 { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
237 { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
238 { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
239 { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
240 { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
241 { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
242 { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
243 { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
244 { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
245 { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
246 { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
247 { WM8996_DSP2_TX_FILTERS, 0x2000 },
248 { WM8996_DSP2_RX_FILTERS_1, 0x200 },
249 { WM8996_DSP2_RX_FILTERS_2, 0x10 },
250 { WM8996_DSP2_DRC_1, 0x98 },
251 { WM8996_DSP2_DRC_2, 0x845 },
252 { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
253 { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
254 { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
255 { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
256 { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
257 { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
258 { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
259 { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
260 { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
261 { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
262 { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
263 { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
264 { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
265 { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
266 { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
267 { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
268 { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
269 { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
270 { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
271 { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
272 { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
273 { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
274 { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
275 { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
276 { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
277 { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
278 { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
279 { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
280 { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
281 { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
282 { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
283 { WM8996_DAC_SOFTMUTE, 0x0 },
284 { WM8996_OVERSAMPLING, 0xd },
285 { WM8996_SIDETONE, 0x1040 },
286 { WM8996_GPIO_1, 0xa101 },
287 { WM8996_GPIO_2, 0xa101 },
288 { WM8996_GPIO_3, 0xa101 },
289 { WM8996_GPIO_4, 0xa101 },
290 { WM8996_GPIO_5, 0xa101 },
291 { WM8996_PULL_CONTROL_1, 0x0 },
292 { WM8996_PULL_CONTROL_2, 0x140 },
293 { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
294 { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
295 { WM8996_LEFT_PDM_SPEAKER, 0x0 },
296 { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
297 { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
298 { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
299 };
300
301 static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
302 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
303 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
304 static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
305 static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
306 static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
307 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
308 static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
309
310 static const char *sidetone_hpf_text[] = {
311 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
312 };
313
314 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
315 WM8996_SIDETONE, 7, sidetone_hpf_text);
316
317 static const char *hpf_mode_text[] = {
318 "HiFi", "Custom", "Voice"
319 };
320
321 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
322 WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
323
324 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
325 WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
326
327 static const char *hpf_cutoff_text[] = {
328 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
329 };
330
331 static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
332 WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
333
334 static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
335 WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
336
337 static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
338 {
339 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
340 struct wm8996_pdata *pdata = &wm8996->pdata;
341 int base, best, best_val, save, i, cfg, iface;
342
343 if (!wm8996->num_retune_mobile_texts)
344 return;
345
346 switch (block) {
347 case 0:
348 base = WM8996_DSP1_RX_EQ_GAINS_1;
349 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
350 WM8996_DSP1RX_SRC)
351 iface = 1;
352 else
353 iface = 0;
354 break;
355 case 1:
356 base = WM8996_DSP1_RX_EQ_GAINS_2;
357 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
358 WM8996_DSP2RX_SRC)
359 iface = 1;
360 else
361 iface = 0;
362 break;
363 default:
364 return;
365 }
366
367 /* Find the version of the currently selected configuration
368 * with the nearest sample rate. */
369 cfg = wm8996->retune_mobile_cfg[block];
370 best = 0;
371 best_val = INT_MAX;
372 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
373 if (strcmp(pdata->retune_mobile_cfgs[i].name,
374 wm8996->retune_mobile_texts[cfg]) == 0 &&
375 abs(pdata->retune_mobile_cfgs[i].rate
376 - wm8996->rx_rate[iface]) < best_val) {
377 best = i;
378 best_val = abs(pdata->retune_mobile_cfgs[i].rate
379 - wm8996->rx_rate[iface]);
380 }
381 }
382
383 dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
384 block,
385 pdata->retune_mobile_cfgs[best].name,
386 pdata->retune_mobile_cfgs[best].rate,
387 wm8996->rx_rate[iface]);
388
389 /* The EQ will be disabled while reconfiguring it, remember the
390 * current configuration.
391 */
392 save = snd_soc_read(codec, base);
393 save &= WM8996_DSP1RX_EQ_ENA;
394
395 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
396 snd_soc_update_bits(codec, base + i, 0xffff,
397 pdata->retune_mobile_cfgs[best].regs[i]);
398
399 snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
400 }
401
402 /* Icky as hell but saves code duplication */
403 static int wm8996_get_retune_mobile_block(const char *name)
404 {
405 if (strcmp(name, "DSP1 EQ Mode") == 0)
406 return 0;
407 if (strcmp(name, "DSP2 EQ Mode") == 0)
408 return 1;
409 return -EINVAL;
410 }
411
412 static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
413 struct snd_ctl_elem_value *ucontrol)
414 {
415 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
416 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
417 struct wm8996_pdata *pdata = &wm8996->pdata;
418 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
419 int value = ucontrol->value.integer.value[0];
420
421 if (block < 0)
422 return block;
423
424 if (value >= pdata->num_retune_mobile_cfgs)
425 return -EINVAL;
426
427 wm8996->retune_mobile_cfg[block] = value;
428
429 wm8996_set_retune_mobile(codec, block);
430
431 return 0;
432 }
433
434 static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
435 struct snd_ctl_elem_value *ucontrol)
436 {
437 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
438 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
439 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
440
441 if (block < 0)
442 return block;
443 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
444
445 return 0;
446 }
447
448 static const struct snd_kcontrol_new wm8996_snd_controls[] = {
449 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
450 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
451 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
452 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
453
454 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
455 0, 5, 24, 0, sidetone_tlv),
456 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
457 0, 5, 24, 0, sidetone_tlv),
458 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
459 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
460 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
461
462 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
463 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
464 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
465 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
466
467 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
468 13, 1, 0),
469 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
470 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
471 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
472
473 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
474 13, 1, 0),
475 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
476 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
477 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
478
479 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
480 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
481 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
482
483 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
484 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
485 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
486
487 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
488 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
489 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
490 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
491
492 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
493 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
494 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
495 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
496
497 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
498 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
499 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
500 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
501
502 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
503 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
504
505 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
506 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
507
508 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
509 0, threedstereo_tlv),
510 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
511 0, threedstereo_tlv),
512
513 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
514 8, 0, out_digital_tlv),
515 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
516 8, 0, out_digital_tlv),
517
518 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
519 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
520 SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
521 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
522
523 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
524 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
525 SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
526 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
527
528 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
529 spk_tlv),
530 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
531 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
532 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
533 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
534
535 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
536 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
537
538 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
539 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
540 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
541 SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
542 WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
543 WM8996_DSP1TXR_DRC_ENA),
544
545 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
546 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
547 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
548 SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
549 WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
550 WM8996_DSP2TXR_DRC_ENA),
551 };
552
553 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
554 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
555 eq_tlv),
556 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
557 eq_tlv),
558 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
559 eq_tlv),
560 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
561 eq_tlv),
562 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
563 eq_tlv),
564
565 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
566 eq_tlv),
567 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
568 eq_tlv),
569 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
570 eq_tlv),
571 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
572 eq_tlv),
573 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
574 eq_tlv),
575 };
576
577 static void wm8996_bg_enable(struct snd_soc_codec *codec)
578 {
579 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
580
581 wm8996->bg_ena++;
582 if (wm8996->bg_ena == 1) {
583 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
584 WM8996_BG_ENA, WM8996_BG_ENA);
585 msleep(2);
586 }
587 }
588
589 static void wm8996_bg_disable(struct snd_soc_codec *codec)
590 {
591 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
592
593 wm8996->bg_ena--;
594 if (!wm8996->bg_ena)
595 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
596 WM8996_BG_ENA, 0);
597 }
598
599 static int bg_event(struct snd_soc_dapm_widget *w,
600 struct snd_kcontrol *kcontrol, int event)
601 {
602 struct snd_soc_codec *codec = w->codec;
603 int ret = 0;
604
605 switch (event) {
606 case SND_SOC_DAPM_PRE_PMU:
607 wm8996_bg_enable(codec);
608 break;
609 case SND_SOC_DAPM_POST_PMD:
610 wm8996_bg_disable(codec);
611 break;
612 default:
613 WARN(1, "Invalid event %d\n", event);
614 ret = -EINVAL;
615 }
616
617 return ret;
618 }
619
620 static int cp_event(struct snd_soc_dapm_widget *w,
621 struct snd_kcontrol *kcontrol, int event)
622 {
623 int ret = 0;
624
625 switch (event) {
626 case SND_SOC_DAPM_POST_PMU:
627 msleep(5);
628 break;
629 default:
630 WARN(1, "Invalid event %d\n", event);
631 ret = -EINVAL;
632 }
633
634 return 0;
635 }
636
637 static int rmv_short_event(struct snd_soc_dapm_widget *w,
638 struct snd_kcontrol *kcontrol, int event)
639 {
640 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
641
642 /* Record which outputs we enabled */
643 switch (event) {
644 case SND_SOC_DAPM_PRE_PMD:
645 wm8996->hpout_pending &= ~w->shift;
646 break;
647 case SND_SOC_DAPM_PRE_PMU:
648 wm8996->hpout_pending |= w->shift;
649 break;
650 default:
651 WARN(1, "Invalid event %d\n", event);
652 return -EINVAL;
653 }
654
655 return 0;
656 }
657
658 static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
659 {
660 struct i2c_client *i2c = to_i2c_client(codec->dev);
661 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
662 int ret;
663 unsigned long timeout = 200;
664
665 snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
666
667 /* Use the interrupt if possible */
668 do {
669 if (i2c->irq) {
670 timeout = wait_for_completion_timeout(&wm8996->dcs_done,
671 msecs_to_jiffies(200));
672 if (timeout == 0)
673 dev_err(codec->dev, "DC servo timed out\n");
674
675 } else {
676 msleep(1);
677 timeout--;
678 }
679
680 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
681 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
682 } while (timeout && ret & mask);
683
684 if (timeout == 0)
685 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
686 else
687 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
688 }
689
690 static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
691 enum snd_soc_dapm_type event, int subseq)
692 {
693 struct snd_soc_codec *codec = container_of(dapm,
694 struct snd_soc_codec, dapm);
695 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
696 u16 val, mask;
697
698 /* Complete any pending DC servo starts */
699 if (wm8996->dcs_pending) {
700 dev_dbg(codec->dev, "Starting DC servo for %x\n",
701 wm8996->dcs_pending);
702
703 /* Trigger a startup sequence */
704 wait_for_dc_servo(codec, wm8996->dcs_pending
705 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
706
707 wm8996->dcs_pending = 0;
708 }
709
710 if (wm8996->hpout_pending != wm8996->hpout_ena) {
711 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
712 wm8996->hpout_ena, wm8996->hpout_pending);
713
714 val = 0;
715 mask = 0;
716 if (wm8996->hpout_pending & HPOUT1L) {
717 val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
718 mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
719 } else {
720 mask |= WM8996_HPOUT1L_RMV_SHORT |
721 WM8996_HPOUT1L_OUTP |
722 WM8996_HPOUT1L_DLY;
723 }
724
725 if (wm8996->hpout_pending & HPOUT1R) {
726 val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
727 mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
728 } else {
729 mask |= WM8996_HPOUT1R_RMV_SHORT |
730 WM8996_HPOUT1R_OUTP |
731 WM8996_HPOUT1R_DLY;
732 }
733
734 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
735
736 val = 0;
737 mask = 0;
738 if (wm8996->hpout_pending & HPOUT2L) {
739 val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
740 mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
741 } else {
742 mask |= WM8996_HPOUT2L_RMV_SHORT |
743 WM8996_HPOUT2L_OUTP |
744 WM8996_HPOUT2L_DLY;
745 }
746
747 if (wm8996->hpout_pending & HPOUT2R) {
748 val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
749 mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
750 } else {
751 mask |= WM8996_HPOUT2R_RMV_SHORT |
752 WM8996_HPOUT2R_OUTP |
753 WM8996_HPOUT2R_DLY;
754 }
755
756 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
757
758 wm8996->hpout_ena = wm8996->hpout_pending;
759 }
760 }
761
762 static int dcs_start(struct snd_soc_dapm_widget *w,
763 struct snd_kcontrol *kcontrol, int event)
764 {
765 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
766
767 switch (event) {
768 case SND_SOC_DAPM_POST_PMU:
769 wm8996->dcs_pending |= 1 << w->shift;
770 break;
771 default:
772 WARN(1, "Invalid event %d\n", event);
773 return -EINVAL;
774 }
775
776 return 0;
777 }
778
779 static const char *sidetone_text[] = {
780 "IN1", "IN2",
781 };
782
783 static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
784 WM8996_SIDETONE, 0, sidetone_text);
785
786 static const struct snd_kcontrol_new left_sidetone =
787 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
788
789 static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
790 WM8996_SIDETONE, 1, sidetone_text);
791
792 static const struct snd_kcontrol_new right_sidetone =
793 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
794
795 static const char *spk_text[] = {
796 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
797 };
798
799 static SOC_ENUM_SINGLE_DECL(spkl_enum,
800 WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
801
802 static const struct snd_kcontrol_new spkl_mux =
803 SOC_DAPM_ENUM("SPKL", spkl_enum);
804
805 static SOC_ENUM_SINGLE_DECL(spkr_enum,
806 WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
807
808 static const struct snd_kcontrol_new spkr_mux =
809 SOC_DAPM_ENUM("SPKR", spkr_enum);
810
811 static const char *dsp1rx_text[] = {
812 "AIF1", "AIF2"
813 };
814
815 static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
816 WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
817
818 static const struct snd_kcontrol_new dsp1rx =
819 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
820
821 static const char *dsp2rx_text[] = {
822 "AIF2", "AIF1"
823 };
824
825 static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
826 WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
827
828 static const struct snd_kcontrol_new dsp2rx =
829 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
830
831 static const char *aif2tx_text[] = {
832 "DSP2", "DSP1", "AIF1"
833 };
834
835 static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
836 WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
837
838 static const struct snd_kcontrol_new aif2tx =
839 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
840
841 static const char *inmux_text[] = {
842 "ADC", "DMIC1", "DMIC2"
843 };
844
845 static SOC_ENUM_SINGLE_DECL(in1_enum,
846 WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
847
848 static const struct snd_kcontrol_new in1_mux =
849 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
850
851 static SOC_ENUM_SINGLE_DECL(in2_enum,
852 WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
853
854 static const struct snd_kcontrol_new in2_mux =
855 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
856
857 static const struct snd_kcontrol_new dac2r_mix[] = {
858 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
859 5, 1, 0),
860 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
861 4, 1, 0),
862 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
863 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
864 };
865
866 static const struct snd_kcontrol_new dac2l_mix[] = {
867 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
868 5, 1, 0),
869 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
870 4, 1, 0),
871 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
872 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
873 };
874
875 static const struct snd_kcontrol_new dac1r_mix[] = {
876 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
877 5, 1, 0),
878 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
879 4, 1, 0),
880 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
881 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
882 };
883
884 static const struct snd_kcontrol_new dac1l_mix[] = {
885 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
886 5, 1, 0),
887 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
888 4, 1, 0),
889 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
890 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
891 };
892
893 static const struct snd_kcontrol_new dsp1txl[] = {
894 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
895 1, 1, 0),
896 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
897 0, 1, 0),
898 };
899
900 static const struct snd_kcontrol_new dsp1txr[] = {
901 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
902 1, 1, 0),
903 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
904 0, 1, 0),
905 };
906
907 static const struct snd_kcontrol_new dsp2txl[] = {
908 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
909 1, 1, 0),
910 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
911 0, 1, 0),
912 };
913
914 static const struct snd_kcontrol_new dsp2txr[] = {
915 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
916 1, 1, 0),
917 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
918 0, 1, 0),
919 };
920
921
922 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
923 SND_SOC_DAPM_INPUT("IN1LN"),
924 SND_SOC_DAPM_INPUT("IN1LP"),
925 SND_SOC_DAPM_INPUT("IN1RN"),
926 SND_SOC_DAPM_INPUT("IN1RP"),
927
928 SND_SOC_DAPM_INPUT("IN2LN"),
929 SND_SOC_DAPM_INPUT("IN2LP"),
930 SND_SOC_DAPM_INPUT("IN2RN"),
931 SND_SOC_DAPM_INPUT("IN2RP"),
932
933 SND_SOC_DAPM_INPUT("DMIC1DAT"),
934 SND_SOC_DAPM_INPUT("DMIC2DAT"),
935
936 SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
937 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
938 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
939 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
940 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
941 SND_SOC_DAPM_POST_PMU),
942 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
943 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
944 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
945 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
946 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
947 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
948 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
949
950 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
951 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
952
953 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
954 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
955 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
956 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
957
958 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
959 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
960
961 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
962 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
963 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
964 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
965
966 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
967 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
968
969 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
970 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
971
972 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
973 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
974 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
975 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
976
977 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
978 dsp2txl, ARRAY_SIZE(dsp2txl)),
979 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
980 dsp2txr, ARRAY_SIZE(dsp2txr)),
981 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
982 dsp1txl, ARRAY_SIZE(dsp1txl)),
983 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
984 dsp1txr, ARRAY_SIZE(dsp1txr)),
985
986 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
987 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
988 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
989 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
990 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
991 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
992 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
993 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
994
995 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
996 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
997 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
998 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
999
1000 SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
1001 SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
1002
1003 SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
1004 SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
1005
1006 SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1007 SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1008 SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1009 SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1010 SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1011 SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1012
1013 SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1014 SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1015 SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1016 SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1017 SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1018 SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1019
1020 /* We route as stereo pairs so define some dummy widgets to squash
1021 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1022 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1023 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1024 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1025 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1026 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1027
1028 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1029 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1030 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1031
1032 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1033 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1034 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1035 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1036
1037 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1038 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1039 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1040 SND_SOC_DAPM_POST_PMU),
1041 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1042 rmv_short_event,
1043 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1044
1045 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1046 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1047 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1048 SND_SOC_DAPM_POST_PMU),
1049 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1050 rmv_short_event,
1051 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1052
1053 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1054 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1055 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1056 SND_SOC_DAPM_POST_PMU),
1057 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1058 rmv_short_event,
1059 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1060
1061 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1062 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1063 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1064 SND_SOC_DAPM_POST_PMU),
1065 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1066 rmv_short_event,
1067 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1068
1069 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1070 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1071 SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1072 SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1073 SND_SOC_DAPM_OUTPUT("SPKDAT"),
1074 };
1075
1076 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1077 { "AIFCLK", NULL, "SYSCLK" },
1078 { "SYSDSPCLK", NULL, "SYSCLK" },
1079 { "Charge Pump", NULL, "SYSCLK" },
1080 { "Charge Pump", NULL, "CPVDD" },
1081
1082 { "MICB1", NULL, "LDO2" },
1083 { "MICB1", NULL, "MICB1 Audio" },
1084 { "MICB1", NULL, "Bandgap" },
1085 { "MICB2", NULL, "LDO2" },
1086 { "MICB2", NULL, "MICB2 Audio" },
1087 { "MICB2", NULL, "Bandgap" },
1088
1089 { "AIF1RX0", NULL, "AIF1 Playback" },
1090 { "AIF1RX1", NULL, "AIF1 Playback" },
1091 { "AIF1RX2", NULL, "AIF1 Playback" },
1092 { "AIF1RX3", NULL, "AIF1 Playback" },
1093 { "AIF1RX4", NULL, "AIF1 Playback" },
1094 { "AIF1RX5", NULL, "AIF1 Playback" },
1095
1096 { "AIF2RX0", NULL, "AIF2 Playback" },
1097 { "AIF2RX1", NULL, "AIF2 Playback" },
1098
1099 { "AIF1 Capture", NULL, "AIF1TX0" },
1100 { "AIF1 Capture", NULL, "AIF1TX1" },
1101 { "AIF1 Capture", NULL, "AIF1TX2" },
1102 { "AIF1 Capture", NULL, "AIF1TX3" },
1103 { "AIF1 Capture", NULL, "AIF1TX4" },
1104 { "AIF1 Capture", NULL, "AIF1TX5" },
1105
1106 { "AIF2 Capture", NULL, "AIF2TX0" },
1107 { "AIF2 Capture", NULL, "AIF2TX1" },
1108
1109 { "IN1L PGA", NULL, "IN2LN" },
1110 { "IN1L PGA", NULL, "IN2LP" },
1111 { "IN1L PGA", NULL, "IN1LN" },
1112 { "IN1L PGA", NULL, "IN1LP" },
1113 { "IN1L PGA", NULL, "Bandgap" },
1114
1115 { "IN1R PGA", NULL, "IN2RN" },
1116 { "IN1R PGA", NULL, "IN2RP" },
1117 { "IN1R PGA", NULL, "IN1RN" },
1118 { "IN1R PGA", NULL, "IN1RP" },
1119 { "IN1R PGA", NULL, "Bandgap" },
1120
1121 { "ADCL", NULL, "IN1L PGA" },
1122
1123 { "ADCR", NULL, "IN1R PGA" },
1124
1125 { "DMIC1L", NULL, "DMIC1DAT" },
1126 { "DMIC1R", NULL, "DMIC1DAT" },
1127 { "DMIC2L", NULL, "DMIC2DAT" },
1128 { "DMIC2R", NULL, "DMIC2DAT" },
1129
1130 { "DMIC2L", NULL, "DMIC2" },
1131 { "DMIC2R", NULL, "DMIC2" },
1132 { "DMIC1L", NULL, "DMIC1" },
1133 { "DMIC1R", NULL, "DMIC1" },
1134
1135 { "IN1L Mux", "ADC", "ADCL" },
1136 { "IN1L Mux", "DMIC1", "DMIC1L" },
1137 { "IN1L Mux", "DMIC2", "DMIC2L" },
1138
1139 { "IN1R Mux", "ADC", "ADCR" },
1140 { "IN1R Mux", "DMIC1", "DMIC1R" },
1141 { "IN1R Mux", "DMIC2", "DMIC2R" },
1142
1143 { "IN2L Mux", "ADC", "ADCL" },
1144 { "IN2L Mux", "DMIC1", "DMIC1L" },
1145 { "IN2L Mux", "DMIC2", "DMIC2L" },
1146
1147 { "IN2R Mux", "ADC", "ADCR" },
1148 { "IN2R Mux", "DMIC1", "DMIC1R" },
1149 { "IN2R Mux", "DMIC2", "DMIC2R" },
1150
1151 { "Left Sidetone", "IN1", "IN1L Mux" },
1152 { "Left Sidetone", "IN2", "IN2L Mux" },
1153
1154 { "Right Sidetone", "IN1", "IN1R Mux" },
1155 { "Right Sidetone", "IN2", "IN2R Mux" },
1156
1157 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1158 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1159
1160 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1161 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1162
1163 { "AIF1TX0", NULL, "DSP1TXL" },
1164 { "AIF1TX1", NULL, "DSP1TXR" },
1165 { "AIF1TX2", NULL, "DSP2TXL" },
1166 { "AIF1TX3", NULL, "DSP2TXR" },
1167 { "AIF1TX4", NULL, "AIF2RX0" },
1168 { "AIF1TX5", NULL, "AIF2RX1" },
1169
1170 { "AIF1RX0", NULL, "AIFCLK" },
1171 { "AIF1RX1", NULL, "AIFCLK" },
1172 { "AIF1RX2", NULL, "AIFCLK" },
1173 { "AIF1RX3", NULL, "AIFCLK" },
1174 { "AIF1RX4", NULL, "AIFCLK" },
1175 { "AIF1RX5", NULL, "AIFCLK" },
1176
1177 { "AIF2RX0", NULL, "AIFCLK" },
1178 { "AIF2RX1", NULL, "AIFCLK" },
1179
1180 { "AIF1TX0", NULL, "AIFCLK" },
1181 { "AIF1TX1", NULL, "AIFCLK" },
1182 { "AIF1TX2", NULL, "AIFCLK" },
1183 { "AIF1TX3", NULL, "AIFCLK" },
1184 { "AIF1TX4", NULL, "AIFCLK" },
1185 { "AIF1TX5", NULL, "AIFCLK" },
1186
1187 { "AIF2TX0", NULL, "AIFCLK" },
1188 { "AIF2TX1", NULL, "AIFCLK" },
1189
1190 { "DSP1RXL", NULL, "SYSDSPCLK" },
1191 { "DSP1RXR", NULL, "SYSDSPCLK" },
1192 { "DSP2RXL", NULL, "SYSDSPCLK" },
1193 { "DSP2RXR", NULL, "SYSDSPCLK" },
1194 { "DSP1TXL", NULL, "SYSDSPCLK" },
1195 { "DSP1TXR", NULL, "SYSDSPCLK" },
1196 { "DSP2TXL", NULL, "SYSDSPCLK" },
1197 { "DSP2TXR", NULL, "SYSDSPCLK" },
1198
1199 { "AIF1RXA", NULL, "AIF1RX0" },
1200 { "AIF1RXA", NULL, "AIF1RX1" },
1201 { "AIF1RXB", NULL, "AIF1RX2" },
1202 { "AIF1RXB", NULL, "AIF1RX3" },
1203 { "AIF1RXC", NULL, "AIF1RX4" },
1204 { "AIF1RXC", NULL, "AIF1RX5" },
1205
1206 { "AIF2RX", NULL, "AIF2RX0" },
1207 { "AIF2RX", NULL, "AIF2RX1" },
1208
1209 { "AIF2TX", "DSP2", "DSP2TX" },
1210 { "AIF2TX", "DSP1", "DSP1RX" },
1211 { "AIF2TX", "AIF1", "AIF1RXC" },
1212
1213 { "DSP1RXL", NULL, "DSP1RX" },
1214 { "DSP1RXR", NULL, "DSP1RX" },
1215 { "DSP2RXL", NULL, "DSP2RX" },
1216 { "DSP2RXR", NULL, "DSP2RX" },
1217
1218 { "DSP2TX", NULL, "DSP2TXL" },
1219 { "DSP2TX", NULL, "DSP2TXR" },
1220
1221 { "DSP1RX", "AIF1", "AIF1RXA" },
1222 { "DSP1RX", "AIF2", "AIF2RX" },
1223
1224 { "DSP2RX", "AIF1", "AIF1RXB" },
1225 { "DSP2RX", "AIF2", "AIF2RX" },
1226
1227 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1228 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1229 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1230 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1231
1232 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1233 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1234 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1235 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1236
1237 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1238 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1239 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1240 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1241
1242 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1243 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1244 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1245 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1246
1247 { "DAC1L", NULL, "DAC1L Mixer" },
1248 { "DAC1R", NULL, "DAC1R Mixer" },
1249 { "DAC2L", NULL, "DAC2L Mixer" },
1250 { "DAC2R", NULL, "DAC2R Mixer" },
1251
1252 { "HPOUT2L PGA", NULL, "Charge Pump" },
1253 { "HPOUT2L PGA", NULL, "Bandgap" },
1254 { "HPOUT2L PGA", NULL, "DAC2L" },
1255 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1256 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1257 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1258
1259 { "HPOUT2R PGA", NULL, "Charge Pump" },
1260 { "HPOUT2R PGA", NULL, "Bandgap" },
1261 { "HPOUT2R PGA", NULL, "DAC2R" },
1262 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1263 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1264 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1265
1266 { "HPOUT1L PGA", NULL, "Charge Pump" },
1267 { "HPOUT1L PGA", NULL, "Bandgap" },
1268 { "HPOUT1L PGA", NULL, "DAC1L" },
1269 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1270 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1271 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1272
1273 { "HPOUT1R PGA", NULL, "Charge Pump" },
1274 { "HPOUT1R PGA", NULL, "Bandgap" },
1275 { "HPOUT1R PGA", NULL, "DAC1R" },
1276 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1277 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1278 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1279
1280 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1281 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1282 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1283 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1284
1285 { "SPKL", "DAC1L", "DAC1L" },
1286 { "SPKL", "DAC1R", "DAC1R" },
1287 { "SPKL", "DAC2L", "DAC2L" },
1288 { "SPKL", "DAC2R", "DAC2R" },
1289
1290 { "SPKR", "DAC1L", "DAC1L" },
1291 { "SPKR", "DAC1R", "DAC1R" },
1292 { "SPKR", "DAC2L", "DAC2L" },
1293 { "SPKR", "DAC2R", "DAC2R" },
1294
1295 { "SPKL PGA", NULL, "SPKL" },
1296 { "SPKR PGA", NULL, "SPKR" },
1297
1298 { "SPKDAT", NULL, "SPKL PGA" },
1299 { "SPKDAT", NULL, "SPKR PGA" },
1300 };
1301
1302 static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1303 {
1304 /* Due to the sparseness of the register map the compiler
1305 * output from an explicit switch statement ends up being much
1306 * more efficient than a table.
1307 */
1308 switch (reg) {
1309 case WM8996_SOFTWARE_RESET:
1310 case WM8996_POWER_MANAGEMENT_1:
1311 case WM8996_POWER_MANAGEMENT_2:
1312 case WM8996_POWER_MANAGEMENT_3:
1313 case WM8996_POWER_MANAGEMENT_4:
1314 case WM8996_POWER_MANAGEMENT_5:
1315 case WM8996_POWER_MANAGEMENT_6:
1316 case WM8996_POWER_MANAGEMENT_7:
1317 case WM8996_POWER_MANAGEMENT_8:
1318 case WM8996_LEFT_LINE_INPUT_VOLUME:
1319 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1320 case WM8996_LINE_INPUT_CONTROL:
1321 case WM8996_DAC1_HPOUT1_VOLUME:
1322 case WM8996_DAC2_HPOUT2_VOLUME:
1323 case WM8996_DAC1_LEFT_VOLUME:
1324 case WM8996_DAC1_RIGHT_VOLUME:
1325 case WM8996_DAC2_LEFT_VOLUME:
1326 case WM8996_DAC2_RIGHT_VOLUME:
1327 case WM8996_OUTPUT1_LEFT_VOLUME:
1328 case WM8996_OUTPUT1_RIGHT_VOLUME:
1329 case WM8996_OUTPUT2_LEFT_VOLUME:
1330 case WM8996_OUTPUT2_RIGHT_VOLUME:
1331 case WM8996_MICBIAS_1:
1332 case WM8996_MICBIAS_2:
1333 case WM8996_LDO_1:
1334 case WM8996_LDO_2:
1335 case WM8996_ACCESSORY_DETECT_MODE_1:
1336 case WM8996_ACCESSORY_DETECT_MODE_2:
1337 case WM8996_HEADPHONE_DETECT_1:
1338 case WM8996_HEADPHONE_DETECT_2:
1339 case WM8996_MIC_DETECT_1:
1340 case WM8996_MIC_DETECT_2:
1341 case WM8996_MIC_DETECT_3:
1342 case WM8996_CHARGE_PUMP_1:
1343 case WM8996_CHARGE_PUMP_2:
1344 case WM8996_DC_SERVO_1:
1345 case WM8996_DC_SERVO_2:
1346 case WM8996_DC_SERVO_3:
1347 case WM8996_DC_SERVO_5:
1348 case WM8996_DC_SERVO_6:
1349 case WM8996_DC_SERVO_7:
1350 case WM8996_DC_SERVO_READBACK_0:
1351 case WM8996_ANALOGUE_HP_1:
1352 case WM8996_ANALOGUE_HP_2:
1353 case WM8996_CHIP_REVISION:
1354 case WM8996_CONTROL_INTERFACE_1:
1355 case WM8996_WRITE_SEQUENCER_CTRL_1:
1356 case WM8996_WRITE_SEQUENCER_CTRL_2:
1357 case WM8996_AIF_CLOCKING_1:
1358 case WM8996_AIF_CLOCKING_2:
1359 case WM8996_CLOCKING_1:
1360 case WM8996_CLOCKING_2:
1361 case WM8996_AIF_RATE:
1362 case WM8996_FLL_CONTROL_1:
1363 case WM8996_FLL_CONTROL_2:
1364 case WM8996_FLL_CONTROL_3:
1365 case WM8996_FLL_CONTROL_4:
1366 case WM8996_FLL_CONTROL_5:
1367 case WM8996_FLL_CONTROL_6:
1368 case WM8996_FLL_EFS_1:
1369 case WM8996_FLL_EFS_2:
1370 case WM8996_AIF1_CONTROL:
1371 case WM8996_AIF1_BCLK:
1372 case WM8996_AIF1_TX_LRCLK_1:
1373 case WM8996_AIF1_TX_LRCLK_2:
1374 case WM8996_AIF1_RX_LRCLK_1:
1375 case WM8996_AIF1_RX_LRCLK_2:
1376 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1377 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1378 case WM8996_AIF1RX_DATA_CONFIGURATION:
1379 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1380 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1381 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1382 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1383 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1384 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1385 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1386 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1387 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1388 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1389 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1390 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1391 case WM8996_AIF1RX_MONO_CONFIGURATION:
1392 case WM8996_AIF1TX_TEST:
1393 case WM8996_AIF2_CONTROL:
1394 case WM8996_AIF2_BCLK:
1395 case WM8996_AIF2_TX_LRCLK_1:
1396 case WM8996_AIF2_TX_LRCLK_2:
1397 case WM8996_AIF2_RX_LRCLK_1:
1398 case WM8996_AIF2_RX_LRCLK_2:
1399 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1400 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1401 case WM8996_AIF2RX_DATA_CONFIGURATION:
1402 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1403 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1404 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1405 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1406 case WM8996_AIF2RX_MONO_CONFIGURATION:
1407 case WM8996_AIF2TX_TEST:
1408 case WM8996_DSP1_TX_LEFT_VOLUME:
1409 case WM8996_DSP1_TX_RIGHT_VOLUME:
1410 case WM8996_DSP1_RX_LEFT_VOLUME:
1411 case WM8996_DSP1_RX_RIGHT_VOLUME:
1412 case WM8996_DSP1_TX_FILTERS:
1413 case WM8996_DSP1_RX_FILTERS_1:
1414 case WM8996_DSP1_RX_FILTERS_2:
1415 case WM8996_DSP1_DRC_1:
1416 case WM8996_DSP1_DRC_2:
1417 case WM8996_DSP1_DRC_3:
1418 case WM8996_DSP1_DRC_4:
1419 case WM8996_DSP1_DRC_5:
1420 case WM8996_DSP1_RX_EQ_GAINS_1:
1421 case WM8996_DSP1_RX_EQ_GAINS_2:
1422 case WM8996_DSP1_RX_EQ_BAND_1_A:
1423 case WM8996_DSP1_RX_EQ_BAND_1_B:
1424 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1425 case WM8996_DSP1_RX_EQ_BAND_2_A:
1426 case WM8996_DSP1_RX_EQ_BAND_2_B:
1427 case WM8996_DSP1_RX_EQ_BAND_2_C:
1428 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1429 case WM8996_DSP1_RX_EQ_BAND_3_A:
1430 case WM8996_DSP1_RX_EQ_BAND_3_B:
1431 case WM8996_DSP1_RX_EQ_BAND_3_C:
1432 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1433 case WM8996_DSP1_RX_EQ_BAND_4_A:
1434 case WM8996_DSP1_RX_EQ_BAND_4_B:
1435 case WM8996_DSP1_RX_EQ_BAND_4_C:
1436 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1437 case WM8996_DSP1_RX_EQ_BAND_5_A:
1438 case WM8996_DSP1_RX_EQ_BAND_5_B:
1439 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1440 case WM8996_DSP2_TX_LEFT_VOLUME:
1441 case WM8996_DSP2_TX_RIGHT_VOLUME:
1442 case WM8996_DSP2_RX_LEFT_VOLUME:
1443 case WM8996_DSP2_RX_RIGHT_VOLUME:
1444 case WM8996_DSP2_TX_FILTERS:
1445 case WM8996_DSP2_RX_FILTERS_1:
1446 case WM8996_DSP2_RX_FILTERS_2:
1447 case WM8996_DSP2_DRC_1:
1448 case WM8996_DSP2_DRC_2:
1449 case WM8996_DSP2_DRC_3:
1450 case WM8996_DSP2_DRC_4:
1451 case WM8996_DSP2_DRC_5:
1452 case WM8996_DSP2_RX_EQ_GAINS_1:
1453 case WM8996_DSP2_RX_EQ_GAINS_2:
1454 case WM8996_DSP2_RX_EQ_BAND_1_A:
1455 case WM8996_DSP2_RX_EQ_BAND_1_B:
1456 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1457 case WM8996_DSP2_RX_EQ_BAND_2_A:
1458 case WM8996_DSP2_RX_EQ_BAND_2_B:
1459 case WM8996_DSP2_RX_EQ_BAND_2_C:
1460 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1461 case WM8996_DSP2_RX_EQ_BAND_3_A:
1462 case WM8996_DSP2_RX_EQ_BAND_3_B:
1463 case WM8996_DSP2_RX_EQ_BAND_3_C:
1464 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1465 case WM8996_DSP2_RX_EQ_BAND_4_A:
1466 case WM8996_DSP2_RX_EQ_BAND_4_B:
1467 case WM8996_DSP2_RX_EQ_BAND_4_C:
1468 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1469 case WM8996_DSP2_RX_EQ_BAND_5_A:
1470 case WM8996_DSP2_RX_EQ_BAND_5_B:
1471 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1472 case WM8996_DAC1_MIXER_VOLUMES:
1473 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1474 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1475 case WM8996_DAC2_MIXER_VOLUMES:
1476 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1477 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1478 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1479 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1480 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1481 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1482 case WM8996_DSP_TX_MIXER_SELECT:
1483 case WM8996_DAC_SOFTMUTE:
1484 case WM8996_OVERSAMPLING:
1485 case WM8996_SIDETONE:
1486 case WM8996_GPIO_1:
1487 case WM8996_GPIO_2:
1488 case WM8996_GPIO_3:
1489 case WM8996_GPIO_4:
1490 case WM8996_GPIO_5:
1491 case WM8996_PULL_CONTROL_1:
1492 case WM8996_PULL_CONTROL_2:
1493 case WM8996_INTERRUPT_STATUS_1:
1494 case WM8996_INTERRUPT_STATUS_2:
1495 case WM8996_INTERRUPT_RAW_STATUS_2:
1496 case WM8996_INTERRUPT_STATUS_1_MASK:
1497 case WM8996_INTERRUPT_STATUS_2_MASK:
1498 case WM8996_INTERRUPT_CONTROL:
1499 case WM8996_LEFT_PDM_SPEAKER:
1500 case WM8996_RIGHT_PDM_SPEAKER:
1501 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1502 case WM8996_PDM_SPEAKER_VOLUME:
1503 return 1;
1504 default:
1505 return 0;
1506 }
1507 }
1508
1509 static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1510 {
1511 switch (reg) {
1512 case WM8996_SOFTWARE_RESET:
1513 case WM8996_CHIP_REVISION:
1514 case WM8996_LDO_1:
1515 case WM8996_LDO_2:
1516 case WM8996_INTERRUPT_STATUS_1:
1517 case WM8996_INTERRUPT_STATUS_2:
1518 case WM8996_INTERRUPT_RAW_STATUS_2:
1519 case WM8996_DC_SERVO_READBACK_0:
1520 case WM8996_DC_SERVO_2:
1521 case WM8996_DC_SERVO_6:
1522 case WM8996_DC_SERVO_7:
1523 case WM8996_FLL_CONTROL_6:
1524 case WM8996_MIC_DETECT_3:
1525 case WM8996_HEADPHONE_DETECT_1:
1526 case WM8996_HEADPHONE_DETECT_2:
1527 return 1;
1528 default:
1529 return 0;
1530 }
1531 }
1532
1533 static const int bclk_divs[] = {
1534 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1535 };
1536
1537 static void wm8996_update_bclk(struct snd_soc_codec *codec)
1538 {
1539 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1540 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1541
1542 /* Don't bother if we're in a low frequency idle mode that
1543 * can't support audio.
1544 */
1545 if (wm8996->sysclk < 64000)
1546 return;
1547
1548 for (aif = 0; aif < WM8996_AIFS; aif++) {
1549 switch (aif) {
1550 case 0:
1551 bclk_reg = WM8996_AIF1_BCLK;
1552 break;
1553 case 1:
1554 bclk_reg = WM8996_AIF2_BCLK;
1555 break;
1556 }
1557
1558 bclk_rate = wm8996->bclk_rate[aif];
1559
1560 /* Pick a divisor for BCLK as close as we can get to ideal */
1561 best = 0;
1562 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1563 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1564 if (cur_val < 0) /* BCLK table is sorted */
1565 break;
1566 best = i;
1567 }
1568 bclk_rate = wm8996->sysclk / bclk_divs[best];
1569 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1570 bclk_divs[best], bclk_rate);
1571
1572 snd_soc_update_bits(codec, bclk_reg,
1573 WM8996_AIF1_BCLK_DIV_MASK, best);
1574 }
1575 }
1576
1577 static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1578 enum snd_soc_bias_level level)
1579 {
1580 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1581 int ret;
1582
1583 switch (level) {
1584 case SND_SOC_BIAS_ON:
1585 break;
1586 case SND_SOC_BIAS_PREPARE:
1587 /* Put the MICBIASes into regulating mode */
1588 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1589 WM8996_MICB1_MODE, 0);
1590 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1591 WM8996_MICB2_MODE, 0);
1592 break;
1593
1594 case SND_SOC_BIAS_STANDBY:
1595 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1596 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1597 wm8996->supplies);
1598 if (ret != 0) {
1599 dev_err(codec->dev,
1600 "Failed to enable supplies: %d\n",
1601 ret);
1602 return ret;
1603 }
1604
1605 if (wm8996->pdata.ldo_ena >= 0) {
1606 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1607 1);
1608 msleep(5);
1609 }
1610
1611 regcache_cache_only(wm8996->regmap, false);
1612 regcache_sync(wm8996->regmap);
1613 }
1614
1615 /* Bypass the MICBIASes for lowest power */
1616 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1617 WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1618 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1619 WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1620 break;
1621
1622 case SND_SOC_BIAS_OFF:
1623 regcache_cache_only(wm8996->regmap, true);
1624 if (wm8996->pdata.ldo_ena >= 0) {
1625 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1626 regcache_cache_only(wm8996->regmap, true);
1627 }
1628 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1629 wm8996->supplies);
1630 break;
1631 }
1632
1633 codec->dapm.bias_level = level;
1634
1635 return 0;
1636 }
1637
1638 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1639 {
1640 struct snd_soc_codec *codec = dai->codec;
1641 int aifctrl = 0;
1642 int bclk = 0;
1643 int lrclk_tx = 0;
1644 int lrclk_rx = 0;
1645 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1646
1647 switch (dai->id) {
1648 case 0:
1649 aifctrl_reg = WM8996_AIF1_CONTROL;
1650 bclk_reg = WM8996_AIF1_BCLK;
1651 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1652 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1653 break;
1654 case 1:
1655 aifctrl_reg = WM8996_AIF2_CONTROL;
1656 bclk_reg = WM8996_AIF2_BCLK;
1657 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1658 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1659 break;
1660 default:
1661 WARN(1, "Invalid dai id %d\n", dai->id);
1662 return -EINVAL;
1663 }
1664
1665 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1666 case SND_SOC_DAIFMT_NB_NF:
1667 break;
1668 case SND_SOC_DAIFMT_IB_NF:
1669 bclk |= WM8996_AIF1_BCLK_INV;
1670 break;
1671 case SND_SOC_DAIFMT_NB_IF:
1672 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1673 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1674 break;
1675 case SND_SOC_DAIFMT_IB_IF:
1676 bclk |= WM8996_AIF1_BCLK_INV;
1677 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1678 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1679 break;
1680 }
1681
1682 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1683 case SND_SOC_DAIFMT_CBS_CFS:
1684 break;
1685 case SND_SOC_DAIFMT_CBS_CFM:
1686 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1687 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1688 break;
1689 case SND_SOC_DAIFMT_CBM_CFS:
1690 bclk |= WM8996_AIF1_BCLK_MSTR;
1691 break;
1692 case SND_SOC_DAIFMT_CBM_CFM:
1693 bclk |= WM8996_AIF1_BCLK_MSTR;
1694 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1695 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1696 break;
1697 default:
1698 return -EINVAL;
1699 }
1700
1701 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1702 case SND_SOC_DAIFMT_DSP_A:
1703 break;
1704 case SND_SOC_DAIFMT_DSP_B:
1705 aifctrl |= 1;
1706 break;
1707 case SND_SOC_DAIFMT_I2S:
1708 aifctrl |= 2;
1709 break;
1710 case SND_SOC_DAIFMT_LEFT_J:
1711 aifctrl |= 3;
1712 break;
1713 default:
1714 return -EINVAL;
1715 }
1716
1717 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1718 snd_soc_update_bits(codec, bclk_reg,
1719 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1720 bclk);
1721 snd_soc_update_bits(codec, lrclk_tx_reg,
1722 WM8996_AIF1TX_LRCLK_INV |
1723 WM8996_AIF1TX_LRCLK_MSTR,
1724 lrclk_tx);
1725 snd_soc_update_bits(codec, lrclk_rx_reg,
1726 WM8996_AIF1RX_LRCLK_INV |
1727 WM8996_AIF1RX_LRCLK_MSTR,
1728 lrclk_rx);
1729
1730 return 0;
1731 }
1732
1733 static const int dsp_divs[] = {
1734 48000, 32000, 16000, 8000
1735 };
1736
1737 static int wm8996_hw_params(struct snd_pcm_substream *substream,
1738 struct snd_pcm_hw_params *params,
1739 struct snd_soc_dai *dai)
1740 {
1741 struct snd_soc_codec *codec = dai->codec;
1742 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1743 int bits, i, bclk_rate, best;
1744 int aifdata = 0;
1745 int lrclk = 0;
1746 int dsp = 0;
1747 int aifdata_reg, lrclk_reg, dsp_shift;
1748
1749 switch (dai->id) {
1750 case 0:
1751 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1752 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1753 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1754 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1755 } else {
1756 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1757 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1758 }
1759 dsp_shift = 0;
1760 break;
1761 case 1:
1762 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1763 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1764 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1765 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1766 } else {
1767 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1768 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1769 }
1770 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1771 break;
1772 default:
1773 WARN(1, "Invalid dai id %d\n", dai->id);
1774 return -EINVAL;
1775 }
1776
1777 bclk_rate = snd_soc_params_to_bclk(params);
1778 if (bclk_rate < 0) {
1779 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1780 return bclk_rate;
1781 }
1782
1783 wm8996->bclk_rate[dai->id] = bclk_rate;
1784 wm8996->rx_rate[dai->id] = params_rate(params);
1785
1786 /* Needs looking at for TDM */
1787 bits = snd_pcm_format_width(params_format(params));
1788 if (bits < 0)
1789 return bits;
1790 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1791
1792 best = 0;
1793 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1794 if (abs(dsp_divs[i] - params_rate(params)) <
1795 abs(dsp_divs[best] - params_rate(params)))
1796 best = i;
1797 }
1798 dsp |= i << dsp_shift;
1799
1800 wm8996_update_bclk(codec);
1801
1802 lrclk = bclk_rate / params_rate(params);
1803 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1804 lrclk, bclk_rate / lrclk);
1805
1806 snd_soc_update_bits(codec, aifdata_reg,
1807 WM8996_AIF1TX_WL_MASK |
1808 WM8996_AIF1TX_SLOT_LEN_MASK,
1809 aifdata);
1810 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1811 lrclk);
1812 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1813 WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1814
1815 return 0;
1816 }
1817
1818 static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1819 int clk_id, unsigned int freq, int dir)
1820 {
1821 struct snd_soc_codec *codec = dai->codec;
1822 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1823 int lfclk = 0;
1824 int ratediv = 0;
1825 int sync = WM8996_REG_SYNC;
1826 int src;
1827 int old;
1828
1829 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1830 return 0;
1831
1832 /* Disable SYSCLK while we reconfigure */
1833 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1834 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1835 WM8996_SYSCLK_ENA, 0);
1836
1837 switch (clk_id) {
1838 case WM8996_SYSCLK_MCLK1:
1839 wm8996->sysclk = freq;
1840 src = 0;
1841 break;
1842 case WM8996_SYSCLK_MCLK2:
1843 wm8996->sysclk = freq;
1844 src = 1;
1845 break;
1846 case WM8996_SYSCLK_FLL:
1847 wm8996->sysclk = freq;
1848 src = 2;
1849 break;
1850 default:
1851 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1852 return -EINVAL;
1853 }
1854
1855 switch (wm8996->sysclk) {
1856 case 5644800:
1857 case 6144000:
1858 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1859 WM8996_SYSCLK_RATE, 0);
1860 break;
1861 case 22579200:
1862 case 24576000:
1863 ratediv = WM8996_SYSCLK_DIV;
1864 wm8996->sysclk /= 2;
1865 case 11289600:
1866 case 12288000:
1867 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1868 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1869 break;
1870 case 32000:
1871 case 32768:
1872 lfclk = WM8996_LFCLK_ENA;
1873 sync = 0;
1874 break;
1875 default:
1876 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1877 wm8996->sysclk);
1878 return -EINVAL;
1879 }
1880
1881 wm8996_update_bclk(codec);
1882
1883 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1884 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1885 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1886 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1887 snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1888 WM8996_REG_SYNC, sync);
1889 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1890 WM8996_SYSCLK_ENA, old);
1891
1892 wm8996->sysclk_src = clk_id;
1893
1894 return 0;
1895 }
1896
1897 struct _fll_div {
1898 u16 fll_fratio;
1899 u16 fll_outdiv;
1900 u16 fll_refclk_div;
1901 u16 fll_loop_gain;
1902 u16 fll_ref_freq;
1903 u16 n;
1904 u16 theta;
1905 u16 lambda;
1906 };
1907
1908 static struct {
1909 unsigned int min;
1910 unsigned int max;
1911 u16 fll_fratio;
1912 int ratio;
1913 } fll_fratios[] = {
1914 { 0, 64000, 4, 16 },
1915 { 64000, 128000, 3, 8 },
1916 { 128000, 256000, 2, 4 },
1917 { 256000, 1000000, 1, 2 },
1918 { 1000000, 13500000, 0, 1 },
1919 };
1920
1921 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1922 unsigned int Fout)
1923 {
1924 unsigned int target;
1925 unsigned int div;
1926 unsigned int fratio, gcd_fll;
1927 int i;
1928
1929 /* Fref must be <=13.5MHz */
1930 div = 1;
1931 fll_div->fll_refclk_div = 0;
1932 while ((Fref / div) > 13500000) {
1933 div *= 2;
1934 fll_div->fll_refclk_div++;
1935
1936 if (div > 8) {
1937 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1938 Fref);
1939 return -EINVAL;
1940 }
1941 }
1942
1943 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1944
1945 /* Apply the division for our remaining calculations */
1946 Fref /= div;
1947
1948 if (Fref >= 3000000)
1949 fll_div->fll_loop_gain = 5;
1950 else
1951 fll_div->fll_loop_gain = 0;
1952
1953 if (Fref >= 48000)
1954 fll_div->fll_ref_freq = 0;
1955 else
1956 fll_div->fll_ref_freq = 1;
1957
1958 /* Fvco should be 90-100MHz; don't check the upper bound */
1959 div = 2;
1960 while (Fout * div < 90000000) {
1961 div++;
1962 if (div > 64) {
1963 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1964 Fout);
1965 return -EINVAL;
1966 }
1967 }
1968 target = Fout * div;
1969 fll_div->fll_outdiv = div - 1;
1970
1971 pr_debug("FLL Fvco=%dHz\n", target);
1972
1973 /* Find an appropraite FLL_FRATIO and factor it out of the target */
1974 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1975 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1976 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1977 fratio = fll_fratios[i].ratio;
1978 break;
1979 }
1980 }
1981 if (i == ARRAY_SIZE(fll_fratios)) {
1982 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1983 return -EINVAL;
1984 }
1985
1986 fll_div->n = target / (fratio * Fref);
1987
1988 if (target % Fref == 0) {
1989 fll_div->theta = 0;
1990 fll_div->lambda = 0;
1991 } else {
1992 gcd_fll = gcd(target, fratio * Fref);
1993
1994 fll_div->theta = (target - (fll_div->n * fratio * Fref))
1995 / gcd_fll;
1996 fll_div->lambda = (fratio * Fref) / gcd_fll;
1997 }
1998
1999 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
2000 fll_div->n, fll_div->theta, fll_div->lambda);
2001 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
2002 fll_div->fll_fratio, fll_div->fll_outdiv,
2003 fll_div->fll_refclk_div);
2004
2005 return 0;
2006 }
2007
2008 static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2009 unsigned int Fref, unsigned int Fout)
2010 {
2011 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2012 struct i2c_client *i2c = to_i2c_client(codec->dev);
2013 struct _fll_div fll_div;
2014 unsigned long timeout;
2015 int ret, reg, retry;
2016
2017 /* Any change? */
2018 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2019 Fout == wm8996->fll_fout)
2020 return 0;
2021
2022 if (Fout == 0) {
2023 dev_dbg(codec->dev, "FLL disabled\n");
2024
2025 wm8996->fll_fref = 0;
2026 wm8996->fll_fout = 0;
2027
2028 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2029 WM8996_FLL_ENA, 0);
2030
2031 wm8996_bg_disable(codec);
2032
2033 return 0;
2034 }
2035
2036 ret = fll_factors(&fll_div, Fref, Fout);
2037 if (ret != 0)
2038 return ret;
2039
2040 switch (source) {
2041 case WM8996_FLL_MCLK1:
2042 reg = 0;
2043 break;
2044 case WM8996_FLL_MCLK2:
2045 reg = 1;
2046 break;
2047 case WM8996_FLL_DACLRCLK1:
2048 reg = 2;
2049 break;
2050 case WM8996_FLL_BCLK1:
2051 reg = 3;
2052 break;
2053 default:
2054 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2055 return -EINVAL;
2056 }
2057
2058 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2059 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2060
2061 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2062 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2063 WM8996_FLL_REFCLK_SRC_MASK, reg);
2064
2065 reg = 0;
2066 if (fll_div.theta || fll_div.lambda)
2067 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2068 else
2069 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2070 snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2071
2072 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2073 WM8996_FLL_OUTDIV_MASK |
2074 WM8996_FLL_FRATIO_MASK,
2075 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2076 (fll_div.fll_fratio));
2077
2078 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2079
2080 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2081 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2082 (fll_div.n << WM8996_FLL_N_SHIFT) |
2083 fll_div.fll_loop_gain);
2084
2085 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2086
2087 /* Enable the bandgap if it's not already enabled */
2088 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2089 if (!(ret & WM8996_FLL_ENA))
2090 wm8996_bg_enable(codec);
2091
2092 /* Clear any pending completions (eg, from failed startups) */
2093 try_wait_for_completion(&wm8996->fll_lock);
2094
2095 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2096 WM8996_FLL_ENA, WM8996_FLL_ENA);
2097
2098 /* The FLL supports live reconfiguration - kick that in case we were
2099 * already enabled.
2100 */
2101 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2102
2103 /* Wait for the FLL to lock, using the interrupt if possible */
2104 if (Fref > 1000000)
2105 timeout = usecs_to_jiffies(300);
2106 else
2107 timeout = msecs_to_jiffies(2);
2108
2109 /* Allow substantially longer if we've actually got the IRQ, poll
2110 * at a slightly higher rate if we don't.
2111 */
2112 if (i2c->irq)
2113 timeout *= 10;
2114 else
2115 timeout /= 2;
2116
2117 for (retry = 0; retry < 10; retry++) {
2118 ret = wait_for_completion_timeout(&wm8996->fll_lock,
2119 timeout);
2120 if (ret != 0) {
2121 WARN_ON(!i2c->irq);
2122 break;
2123 }
2124
2125 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2126 if (ret & WM8996_FLL_LOCK_STS)
2127 break;
2128 }
2129 if (retry == 10) {
2130 dev_err(codec->dev, "Timed out waiting for FLL\n");
2131 ret = -ETIMEDOUT;
2132 }
2133
2134 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2135
2136 wm8996->fll_fref = Fref;
2137 wm8996->fll_fout = Fout;
2138 wm8996->fll_src = source;
2139
2140 return ret;
2141 }
2142
2143 #ifdef CONFIG_GPIOLIB
2144 static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
2145 {
2146 return container_of(chip, struct wm8996_priv, gpio_chip);
2147 }
2148
2149 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2150 {
2151 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2152
2153 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2154 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2155 }
2156
2157 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2158 unsigned offset, int value)
2159 {
2160 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2161 int val;
2162
2163 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2164
2165 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2166 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2167 WM8996_GP1_LVL, val);
2168 }
2169
2170 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2171 {
2172 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2173 unsigned int reg;
2174 int ret;
2175
2176 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
2177 if (ret < 0)
2178 return ret;
2179
2180 return (reg & WM8996_GP1_LVL) != 0;
2181 }
2182
2183 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2184 {
2185 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2186
2187 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2188 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2189 (1 << WM8996_GP1_FN_SHIFT) |
2190 (1 << WM8996_GP1_DIR_SHIFT));
2191 }
2192
2193 static struct gpio_chip wm8996_template_chip = {
2194 .label = "wm8996",
2195 .owner = THIS_MODULE,
2196 .direction_output = wm8996_gpio_direction_out,
2197 .set = wm8996_gpio_set,
2198 .direction_input = wm8996_gpio_direction_in,
2199 .get = wm8996_gpio_get,
2200 .can_sleep = 1,
2201 };
2202
2203 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2204 {
2205 int ret;
2206
2207 wm8996->gpio_chip = wm8996_template_chip;
2208 wm8996->gpio_chip.ngpio = 5;
2209 wm8996->gpio_chip.dev = wm8996->dev;
2210
2211 if (wm8996->pdata.gpio_base)
2212 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2213 else
2214 wm8996->gpio_chip.base = -1;
2215
2216 ret = gpiochip_add(&wm8996->gpio_chip);
2217 if (ret != 0)
2218 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2219 }
2220
2221 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2222 {
2223 int ret;
2224
2225 ret = gpiochip_remove(&wm8996->gpio_chip);
2226 if (ret != 0)
2227 dev_err(wm8996->dev, "Failed to remove GPIOs: %d\n", ret);
2228 }
2229 #else
2230 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2231 {
2232 }
2233
2234 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2235 {
2236 }
2237 #endif
2238
2239 /**
2240 * wm8996_detect - Enable default WM8996 jack detection
2241 *
2242 * The WM8996 has advanced accessory detection support for headsets.
2243 * This function provides a default implementation which integrates
2244 * the majority of this functionality with minimal user configuration.
2245 *
2246 * This will detect headset, headphone and short circuit button and
2247 * will also detect inverted microphone ground connections and update
2248 * the polarity of the connections.
2249 */
2250 int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2251 wm8996_polarity_fn polarity_cb)
2252 {
2253 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2254 struct snd_soc_dapm_context *dapm = &codec->dapm;
2255
2256 wm8996->jack = jack;
2257 wm8996->detecting = true;
2258 wm8996->polarity_cb = polarity_cb;
2259 wm8996->jack_flips = 0;
2260
2261 if (wm8996->polarity_cb)
2262 wm8996->polarity_cb(codec, 0);
2263
2264 /* Clear discarge to avoid noise during detection */
2265 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2266 WM8996_MICB1_DISCH, 0);
2267 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2268 WM8996_MICB2_DISCH, 0);
2269
2270 /* LDO2 powers the microphones, SYSCLK clocks detection */
2271 snd_soc_dapm_mutex_lock(dapm);
2272
2273 snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2274 snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2275
2276 snd_soc_dapm_mutex_unlock(dapm);
2277
2278 /* We start off just enabling microphone detection - even a
2279 * plain headphone will trigger detection.
2280 */
2281 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2282 WM8996_MICD_ENA, WM8996_MICD_ENA);
2283
2284 /* Slowest detection rate, gives debounce for initial detection */
2285 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2286 WM8996_MICD_RATE_MASK,
2287 WM8996_MICD_RATE_MASK);
2288
2289 /* Enable interrupts and we're off */
2290 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2291 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2292
2293 return 0;
2294 }
2295 EXPORT_SYMBOL_GPL(wm8996_detect);
2296
2297 static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2298 {
2299 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2300 int val, reg, report;
2301
2302 /* Assume headphone in error conditions; we need to report
2303 * something or we stall our state machine.
2304 */
2305 report = SND_JACK_HEADPHONE;
2306
2307 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2308 if (reg < 0) {
2309 dev_err(codec->dev, "Failed to read HPDET status\n");
2310 goto out;
2311 }
2312
2313 if (!(reg & WM8996_HP_DONE)) {
2314 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2315 goto out;
2316 }
2317
2318 val = reg & WM8996_HP_LVL_MASK;
2319
2320 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2321
2322 /* If we've got high enough impedence then report as line,
2323 * otherwise assume headphone.
2324 */
2325 if (val >= 126)
2326 report = SND_JACK_LINEOUT;
2327 else
2328 report = SND_JACK_HEADPHONE;
2329
2330 out:
2331 if (wm8996->jack_mic)
2332 report |= SND_JACK_MICROPHONE;
2333
2334 snd_soc_jack_report(wm8996->jack, report,
2335 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2336
2337 wm8996->detecting = false;
2338
2339 /* If the output isn't running re-clamp it */
2340 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2341 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2342 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2343 WM8996_HPOUT1L_RMV_SHORT |
2344 WM8996_HPOUT1R_RMV_SHORT, 0);
2345
2346 /* Go back to looking at the microphone */
2347 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2348 WM8996_JD_MODE_MASK, 0);
2349 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2350 WM8996_MICD_ENA);
2351
2352 snd_soc_dapm_disable_pin(&codec->dapm, "Bandgap");
2353 snd_soc_dapm_sync(&codec->dapm);
2354 }
2355
2356 static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2357 {
2358 /* Unclamp the output, we can't measure while we're shorting it */
2359 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2360 WM8996_HPOUT1L_RMV_SHORT |
2361 WM8996_HPOUT1R_RMV_SHORT,
2362 WM8996_HPOUT1L_RMV_SHORT |
2363 WM8996_HPOUT1R_RMV_SHORT);
2364
2365 /* We need bandgap for HPDET */
2366 snd_soc_dapm_force_enable_pin(&codec->dapm, "Bandgap");
2367 snd_soc_dapm_sync(&codec->dapm);
2368
2369 /* Go into headphone detect left mode */
2370 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2371 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2372 WM8996_JD_MODE_MASK, 1);
2373
2374 /* Trigger a measurement */
2375 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2376 WM8996_HP_POLL, WM8996_HP_POLL);
2377 }
2378
2379 static void wm8996_report_headphone(struct snd_soc_codec *codec)
2380 {
2381 dev_dbg(codec->dev, "Headphone detected\n");
2382 wm8996_hpdet_start(codec);
2383
2384 /* Increase the detection rate a bit for responsiveness. */
2385 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2386 WM8996_MICD_RATE_MASK |
2387 WM8996_MICD_BIAS_STARTTIME_MASK,
2388 7 << WM8996_MICD_RATE_SHIFT |
2389 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2390 }
2391
2392 static void wm8996_micd(struct snd_soc_codec *codec)
2393 {
2394 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2395 int val, reg;
2396
2397 val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2398
2399 dev_dbg(codec->dev, "Microphone event: %x\n", val);
2400
2401 if (!(val & WM8996_MICD_VALID)) {
2402 dev_warn(codec->dev, "Microphone detection state invalid\n");
2403 return;
2404 }
2405
2406 /* No accessory, reset everything and report removal */
2407 if (!(val & WM8996_MICD_STS)) {
2408 dev_dbg(codec->dev, "Jack removal detected\n");
2409 wm8996->jack_mic = false;
2410 wm8996->detecting = true;
2411 wm8996->jack_flips = 0;
2412 snd_soc_jack_report(wm8996->jack, 0,
2413 SND_JACK_LINEOUT | SND_JACK_HEADSET |
2414 SND_JACK_BTN_0);
2415
2416 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2417 WM8996_MICD_RATE_MASK |
2418 WM8996_MICD_BIAS_STARTTIME_MASK,
2419 WM8996_MICD_RATE_MASK |
2420 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2421 return;
2422 }
2423
2424 /* If the measurement is very high we've got a microphone,
2425 * either we just detected one or if we already reported then
2426 * we've got a button release event.
2427 */
2428 if (val & 0x400) {
2429 if (wm8996->detecting) {
2430 dev_dbg(codec->dev, "Microphone detected\n");
2431 wm8996->jack_mic = true;
2432 wm8996_hpdet_start(codec);
2433
2434 /* Increase poll rate to give better responsiveness
2435 * for buttons */
2436 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2437 WM8996_MICD_RATE_MASK |
2438 WM8996_MICD_BIAS_STARTTIME_MASK,
2439 5 << WM8996_MICD_RATE_SHIFT |
2440 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2441 } else {
2442 dev_dbg(codec->dev, "Mic button up\n");
2443 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2444 }
2445
2446 return;
2447 }
2448
2449 /* If we detected a lower impedence during initial startup
2450 * then we probably have the wrong polarity, flip it. Don't
2451 * do this for the lowest impedences to speed up detection of
2452 * plain headphones. If both polarities report a low
2453 * impedence then give up and report headphones.
2454 */
2455 if (wm8996->detecting && (val & 0x3f0)) {
2456 wm8996->jack_flips++;
2457
2458 if (wm8996->jack_flips > 1) {
2459 wm8996_report_headphone(codec);
2460 return;
2461 }
2462
2463 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2464 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2465 WM8996_MICD_BIAS_SRC;
2466 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2467 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2468 WM8996_MICD_BIAS_SRC, reg);
2469
2470 if (wm8996->polarity_cb)
2471 wm8996->polarity_cb(codec,
2472 (reg & WM8996_MICD_SRC) != 0);
2473
2474 dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2475 (reg & WM8996_MICD_SRC) != 0);
2476
2477 return;
2478 }
2479
2480 /* Don't distinguish between buttons, just report any low
2481 * impedence as BTN_0.
2482 */
2483 if (val & 0x3fc) {
2484 if (wm8996->jack_mic) {
2485 dev_dbg(codec->dev, "Mic button detected\n");
2486 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2487 SND_JACK_BTN_0);
2488 } else if (wm8996->detecting) {
2489 wm8996_report_headphone(codec);
2490 }
2491 }
2492 }
2493
2494 static irqreturn_t wm8996_irq(int irq, void *data)
2495 {
2496 struct snd_soc_codec *codec = data;
2497 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2498 int irq_val;
2499
2500 irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2501 if (irq_val < 0) {
2502 dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2503 irq_val);
2504 return IRQ_NONE;
2505 }
2506 irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2507
2508 if (!irq_val)
2509 return IRQ_NONE;
2510
2511 snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2512
2513 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2514 dev_dbg(codec->dev, "DC servo IRQ\n");
2515 complete(&wm8996->dcs_done);
2516 }
2517
2518 if (irq_val & WM8996_FIFOS_ERR_EINT)
2519 dev_err(codec->dev, "Digital core FIFO error\n");
2520
2521 if (irq_val & WM8996_FLL_LOCK_EINT) {
2522 dev_dbg(codec->dev, "FLL locked\n");
2523 complete(&wm8996->fll_lock);
2524 }
2525
2526 if (irq_val & WM8996_MICD_EINT)
2527 wm8996_micd(codec);
2528
2529 if (irq_val & WM8996_HP_DONE_EINT)
2530 wm8996_hpdet_irq(codec);
2531
2532 return IRQ_HANDLED;
2533 }
2534
2535 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2536 {
2537 irqreturn_t ret = IRQ_NONE;
2538 irqreturn_t val;
2539
2540 do {
2541 val = wm8996_irq(irq, data);
2542 if (val != IRQ_NONE)
2543 ret = val;
2544 } while (val != IRQ_NONE);
2545
2546 return ret;
2547 }
2548
2549 static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2550 {
2551 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2552 struct wm8996_pdata *pdata = &wm8996->pdata;
2553
2554 struct snd_kcontrol_new controls[] = {
2555 SOC_ENUM_EXT("DSP1 EQ Mode",
2556 wm8996->retune_mobile_enum,
2557 wm8996_get_retune_mobile_enum,
2558 wm8996_put_retune_mobile_enum),
2559 SOC_ENUM_EXT("DSP2 EQ Mode",
2560 wm8996->retune_mobile_enum,
2561 wm8996_get_retune_mobile_enum,
2562 wm8996_put_retune_mobile_enum),
2563 };
2564 int ret, i, j;
2565 const char **t;
2566
2567 /* We need an array of texts for the enum API but the number
2568 * of texts is likely to be less than the number of
2569 * configurations due to the sample rate dependency of the
2570 * configurations. */
2571 wm8996->num_retune_mobile_texts = 0;
2572 wm8996->retune_mobile_texts = NULL;
2573 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2574 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2575 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2576 wm8996->retune_mobile_texts[j]) == 0)
2577 break;
2578 }
2579
2580 if (j != wm8996->num_retune_mobile_texts)
2581 continue;
2582
2583 /* Expand the array... */
2584 t = krealloc(wm8996->retune_mobile_texts,
2585 sizeof(char *) *
2586 (wm8996->num_retune_mobile_texts + 1),
2587 GFP_KERNEL);
2588 if (t == NULL)
2589 continue;
2590
2591 /* ...store the new entry... */
2592 t[wm8996->num_retune_mobile_texts] =
2593 pdata->retune_mobile_cfgs[i].name;
2594
2595 /* ...and remember the new version. */
2596 wm8996->num_retune_mobile_texts++;
2597 wm8996->retune_mobile_texts = t;
2598 }
2599
2600 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2601 wm8996->num_retune_mobile_texts);
2602
2603 wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2604 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2605
2606 ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2607 if (ret != 0)
2608 dev_err(codec->dev,
2609 "Failed to add ReTune Mobile controls: %d\n", ret);
2610 }
2611
2612 static const struct regmap_config wm8996_regmap = {
2613 .reg_bits = 16,
2614 .val_bits = 16,
2615
2616 .max_register = WM8996_MAX_REGISTER,
2617 .reg_defaults = wm8996_reg,
2618 .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2619 .volatile_reg = wm8996_volatile_register,
2620 .readable_reg = wm8996_readable_register,
2621 .cache_type = REGCACHE_RBTREE,
2622 };
2623
2624 static int wm8996_probe(struct snd_soc_codec *codec)
2625 {
2626 int ret;
2627 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2628 struct i2c_client *i2c = to_i2c_client(codec->dev);
2629 int irq_flags;
2630
2631 wm8996->codec = codec;
2632
2633 init_completion(&wm8996->dcs_done);
2634 init_completion(&wm8996->fll_lock);
2635
2636 if (wm8996->pdata.num_retune_mobile_cfgs)
2637 wm8996_retune_mobile_pdata(codec);
2638 else
2639 snd_soc_add_codec_controls(codec, wm8996_eq_controls,
2640 ARRAY_SIZE(wm8996_eq_controls));
2641
2642 if (i2c->irq) {
2643 if (wm8996->pdata.irq_flags)
2644 irq_flags = wm8996->pdata.irq_flags;
2645 else
2646 irq_flags = IRQF_TRIGGER_LOW;
2647
2648 irq_flags |= IRQF_ONESHOT;
2649
2650 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2651 ret = request_threaded_irq(i2c->irq, NULL,
2652 wm8996_edge_irq,
2653 irq_flags, "wm8996", codec);
2654 else
2655 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2656 irq_flags, "wm8996", codec);
2657
2658 if (ret == 0) {
2659 /* Unmask the interrupt */
2660 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2661 WM8996_IM_IRQ, 0);
2662
2663 /* Enable error reporting and DC servo status */
2664 snd_soc_update_bits(codec,
2665 WM8996_INTERRUPT_STATUS_2_MASK,
2666 WM8996_IM_DCS_DONE_23_EINT |
2667 WM8996_IM_DCS_DONE_01_EINT |
2668 WM8996_IM_FLL_LOCK_EINT |
2669 WM8996_IM_FIFOS_ERR_EINT,
2670 0);
2671 } else {
2672 dev_err(codec->dev, "Failed to request IRQ: %d\n",
2673 ret);
2674 return ret;
2675 }
2676 }
2677
2678 return 0;
2679 }
2680
2681 static int wm8996_remove(struct snd_soc_codec *codec)
2682 {
2683 struct i2c_client *i2c = to_i2c_client(codec->dev);
2684
2685 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2686 WM8996_IM_IRQ, WM8996_IM_IRQ);
2687
2688 if (i2c->irq)
2689 free_irq(i2c->irq, codec);
2690
2691 return 0;
2692 }
2693
2694 static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
2695 .probe = wm8996_probe,
2696 .remove = wm8996_remove,
2697 .set_bias_level = wm8996_set_bias_level,
2698 .idle_bias_off = true,
2699 .seq_notifier = wm8996_seq_notifier,
2700 .controls = wm8996_snd_controls,
2701 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
2702 .dapm_widgets = wm8996_dapm_widgets,
2703 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
2704 .dapm_routes = wm8996_dapm_routes,
2705 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
2706 .set_pll = wm8996_set_fll,
2707 };
2708
2709 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2710 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2711 SNDRV_PCM_RATE_48000)
2712 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2713 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2714 SNDRV_PCM_FMTBIT_S32_LE)
2715
2716 static const struct snd_soc_dai_ops wm8996_dai_ops = {
2717 .set_fmt = wm8996_set_fmt,
2718 .hw_params = wm8996_hw_params,
2719 .set_sysclk = wm8996_set_sysclk,
2720 };
2721
2722 static struct snd_soc_dai_driver wm8996_dai[] = {
2723 {
2724 .name = "wm8996-aif1",
2725 .playback = {
2726 .stream_name = "AIF1 Playback",
2727 .channels_min = 1,
2728 .channels_max = 6,
2729 .rates = WM8996_RATES,
2730 .formats = WM8996_FORMATS,
2731 .sig_bits = 24,
2732 },
2733 .capture = {
2734 .stream_name = "AIF1 Capture",
2735 .channels_min = 1,
2736 .channels_max = 6,
2737 .rates = WM8996_RATES,
2738 .formats = WM8996_FORMATS,
2739 .sig_bits = 24,
2740 },
2741 .ops = &wm8996_dai_ops,
2742 },
2743 {
2744 .name = "wm8996-aif2",
2745 .playback = {
2746 .stream_name = "AIF2 Playback",
2747 .channels_min = 1,
2748 .channels_max = 2,
2749 .rates = WM8996_RATES,
2750 .formats = WM8996_FORMATS,
2751 .sig_bits = 24,
2752 },
2753 .capture = {
2754 .stream_name = "AIF2 Capture",
2755 .channels_min = 1,
2756 .channels_max = 2,
2757 .rates = WM8996_RATES,
2758 .formats = WM8996_FORMATS,
2759 .sig_bits = 24,
2760 },
2761 .ops = &wm8996_dai_ops,
2762 },
2763 };
2764
2765 static int wm8996_i2c_probe(struct i2c_client *i2c,
2766 const struct i2c_device_id *id)
2767 {
2768 struct wm8996_priv *wm8996;
2769 int ret, i;
2770 unsigned int reg;
2771
2772 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2773 GFP_KERNEL);
2774 if (wm8996 == NULL)
2775 return -ENOMEM;
2776
2777 i2c_set_clientdata(i2c, wm8996);
2778 wm8996->dev = &i2c->dev;
2779
2780 if (dev_get_platdata(&i2c->dev))
2781 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2782 sizeof(wm8996->pdata));
2783
2784 if (wm8996->pdata.ldo_ena > 0) {
2785 ret = gpio_request_one(wm8996->pdata.ldo_ena,
2786 GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2787 if (ret < 0) {
2788 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2789 wm8996->pdata.ldo_ena, ret);
2790 goto err;
2791 }
2792 }
2793
2794 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2795 wm8996->supplies[i].supply = wm8996_supply_names[i];
2796
2797 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2798 wm8996->supplies);
2799 if (ret != 0) {
2800 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2801 goto err_gpio;
2802 }
2803
2804 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2805 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2806 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2807
2808 /* This should really be moved into the regulator core */
2809 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2810 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2811 &wm8996->disable_nb[i]);
2812 if (ret != 0) {
2813 dev_err(&i2c->dev,
2814 "Failed to register regulator notifier: %d\n",
2815 ret);
2816 }
2817 }
2818
2819 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2820 wm8996->supplies);
2821 if (ret != 0) {
2822 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2823 goto err_gpio;
2824 }
2825
2826 if (wm8996->pdata.ldo_ena > 0) {
2827 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2828 msleep(5);
2829 }
2830
2831 wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2832 if (IS_ERR(wm8996->regmap)) {
2833 ret = PTR_ERR(wm8996->regmap);
2834 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2835 goto err_enable;
2836 }
2837
2838 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
2839 if (ret < 0) {
2840 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2841 goto err_regmap;
2842 }
2843 if (reg != 0x8915) {
2844 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2845 ret = -EINVAL;
2846 goto err_regmap;
2847 }
2848
2849 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
2850 if (ret < 0) {
2851 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2852 ret);
2853 goto err_regmap;
2854 }
2855
2856 dev_info(&i2c->dev, "revision %c\n",
2857 (reg & WM8996_CHIP_REV_MASK) + 'A');
2858
2859 if (wm8996->pdata.ldo_ena > 0) {
2860 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2861 regcache_cache_only(wm8996->regmap, true);
2862 } else {
2863 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2864 0x8915);
2865 if (ret != 0) {
2866 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2867 goto err_regmap;
2868 }
2869 }
2870
2871 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2872
2873 /* Apply platform data settings */
2874 regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2875 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2876 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2877 wm8996->pdata.inr_mode);
2878
2879 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2880 if (!wm8996->pdata.gpio_default[i])
2881 continue;
2882
2883 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2884 wm8996->pdata.gpio_default[i] & 0xffff);
2885 }
2886
2887 if (wm8996->pdata.spkmute_seq)
2888 regmap_update_bits(wm8996->regmap,
2889 WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2890 WM8996_SPK_MUTE_ENDIAN |
2891 WM8996_SPK_MUTE_SEQ1_MASK,
2892 wm8996->pdata.spkmute_seq);
2893
2894 regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2895 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2896 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2897
2898 /* Latch volume update bits */
2899 regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2900 WM8996_IN1_VU, WM8996_IN1_VU);
2901 regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2902 WM8996_IN1_VU, WM8996_IN1_VU);
2903
2904 regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2905 WM8996_DAC1_VU, WM8996_DAC1_VU);
2906 regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2907 WM8996_DAC1_VU, WM8996_DAC1_VU);
2908 regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2909 WM8996_DAC2_VU, WM8996_DAC2_VU);
2910 regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2911 WM8996_DAC2_VU, WM8996_DAC2_VU);
2912
2913 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2914 WM8996_DAC1_VU, WM8996_DAC1_VU);
2915 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2916 WM8996_DAC1_VU, WM8996_DAC1_VU);
2917 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2918 WM8996_DAC2_VU, WM8996_DAC2_VU);
2919 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2920 WM8996_DAC2_VU, WM8996_DAC2_VU);
2921
2922 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2923 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2924 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2925 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2926 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2927 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2928 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2929 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2930
2931 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2932 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2933 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2934 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2935 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2936 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2937 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2938 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2939
2940 /* No support currently for the underclocked TDM modes and
2941 * pick a default TDM layout with each channel pair working with
2942 * slots 0 and 1. */
2943 regmap_update_bits(wm8996->regmap,
2944 WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2945 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2946 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2947 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2948 regmap_update_bits(wm8996->regmap,
2949 WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2950 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2951 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2952 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2953 regmap_update_bits(wm8996->regmap,
2954 WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2955 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2956 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2957 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2958 regmap_update_bits(wm8996->regmap,
2959 WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2960 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2961 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2962 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2963 regmap_update_bits(wm8996->regmap,
2964 WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2965 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2966 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2967 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2968 regmap_update_bits(wm8996->regmap,
2969 WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2970 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2971 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2972 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2973
2974 regmap_update_bits(wm8996->regmap,
2975 WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2976 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2977 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2978 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2979 regmap_update_bits(wm8996->regmap,
2980 WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2981 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2982 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2983 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2984
2985 regmap_update_bits(wm8996->regmap,
2986 WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2987 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2988 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2989 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2990 regmap_update_bits(wm8996->regmap,
2991 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2992 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2993 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2994 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2995 regmap_update_bits(wm8996->regmap,
2996 WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2997 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2998 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2999 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
3000 regmap_update_bits(wm8996->regmap,
3001 WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
3002 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
3003 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3004 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
3005 regmap_update_bits(wm8996->regmap,
3006 WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3007 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3008 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3009 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3010 regmap_update_bits(wm8996->regmap,
3011 WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3012 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3013 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3014 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3015
3016 regmap_update_bits(wm8996->regmap,
3017 WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3018 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3019 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3020 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3021 regmap_update_bits(wm8996->regmap,
3022 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3023 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3024 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3025 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3026
3027 /* If the TX LRCLK pins are not in LRCLK mode configure the
3028 * AIFs to source their clocks from the RX LRCLKs.
3029 */
3030 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
3031 if (ret != 0) {
3032 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3033 goto err_regmap;
3034 }
3035
3036 if (reg & WM8996_GP1_FN_MASK)
3037 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3038 WM8996_AIF1TX_LRCLK_MODE,
3039 WM8996_AIF1TX_LRCLK_MODE);
3040
3041 ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
3042 if (ret != 0) {
3043 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3044 goto err_regmap;
3045 }
3046
3047 if (reg & WM8996_GP2_FN_MASK)
3048 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3049 WM8996_AIF2TX_LRCLK_MODE,
3050 WM8996_AIF2TX_LRCLK_MODE);
3051
3052 wm8996_init_gpio(wm8996);
3053
3054 ret = snd_soc_register_codec(&i2c->dev,
3055 &soc_codec_dev_wm8996, wm8996_dai,
3056 ARRAY_SIZE(wm8996_dai));
3057 if (ret < 0)
3058 goto err_gpiolib;
3059
3060 return ret;
3061
3062 err_gpiolib:
3063 wm8996_free_gpio(wm8996);
3064 err_regmap:
3065 err_enable:
3066 if (wm8996->pdata.ldo_ena > 0)
3067 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3068 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3069 err_gpio:
3070 if (wm8996->pdata.ldo_ena > 0)
3071 gpio_free(wm8996->pdata.ldo_ena);
3072 err:
3073
3074 return ret;
3075 }
3076
3077 static int wm8996_i2c_remove(struct i2c_client *client)
3078 {
3079 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3080 int i;
3081
3082 snd_soc_unregister_codec(&client->dev);
3083 wm8996_free_gpio(wm8996);
3084 if (wm8996->pdata.ldo_ena > 0) {
3085 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3086 gpio_free(wm8996->pdata.ldo_ena);
3087 }
3088 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3089 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3090 &wm8996->disable_nb[i]);
3091
3092 return 0;
3093 }
3094
3095 static const struct i2c_device_id wm8996_i2c_id[] = {
3096 { "wm8996", 0 },
3097 { }
3098 };
3099 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3100
3101 static struct i2c_driver wm8996_i2c_driver = {
3102 .driver = {
3103 .name = "wm8996",
3104 .owner = THIS_MODULE,
3105 },
3106 .probe = wm8996_i2c_probe,
3107 .remove = wm8996_i2c_remove,
3108 .id_table = wm8996_i2c_id,
3109 };
3110
3111 module_i2c_driver(wm8996_i2c_driver);
3112
3113 MODULE_DESCRIPTION("ASoC WM8996 driver");
3114 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3115 MODULE_LICENSE("GPL");
Linux with added FPC-III support