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Linux 3.8-rc7
[cris-mirror.git] / sound / soc / codecs / wm8996.c
blob46fe83d2b2242610799180edd6774c0dc3cfe674
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 const struct soc_enum sidetone_hpf =
315 SOC_ENUM_SINGLE(WM8996_SIDETONE, 7, 7, sidetone_hpf_text);
316
317 static const char *hpf_mode_text[] = {
318 "HiFi", "Custom", "Voice"
319 };
320
321 static const struct soc_enum dsp1tx_hpf_mode =
322 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 3, 3, hpf_mode_text);
323
324 static const struct soc_enum dsp2tx_hpf_mode =
325 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 3, 3, hpf_mode_text);
326
327 static const char *hpf_cutoff_text[] = {
328 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
329 };
330
331 static const struct soc_enum dsp1tx_hpf_cutoff =
332 SOC_ENUM_SINGLE(WM8996_DSP1_TX_FILTERS, 0, 7, hpf_cutoff_text);
333
334 static const struct soc_enum dsp2tx_hpf_cutoff =
335 SOC_ENUM_SINGLE(WM8996_DSP2_TX_FILTERS, 0, 7, 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_kcontrol_chip(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_kcontrol_chip(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 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
442
443 return 0;
444 }
445
446 static const struct snd_kcontrol_new wm8996_snd_controls[] = {
447 SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
448 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
449 SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
450 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
451
452 SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
453 0, 5, 24, 0, sidetone_tlv),
454 SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
455 0, 5, 24, 0, sidetone_tlv),
456 SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
457 SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
458 SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
459
460 SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
461 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
462 SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
463 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
464
465 SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
466 13, 1, 0),
467 SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
468 SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
469 SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
470
471 SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
472 13, 1, 0),
473 SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
474 SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
475 SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
476
477 SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
478 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
479 SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
480
481 SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
482 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
483 SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
484
485 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
486 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
487 SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
488 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
489
490 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
491 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
492 SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
493 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
494
495 SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
496 SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
497 SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
498 SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
499
500 SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
501 SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
502
503 SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
504 SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
505
506 SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
507 0, threedstereo_tlv),
508 SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
509 0, threedstereo_tlv),
510
511 SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
512 8, 0, out_digital_tlv),
513 SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
514 8, 0, out_digital_tlv),
515
516 SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
517 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
518 SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
519 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
520
521 SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
522 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
523 SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
524 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
525
526 SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
527 spk_tlv),
528 SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
529 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
530 SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
531 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
532
533 SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
534 SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
535
536 SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
537 SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
538 SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
539 SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
540 WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
541 WM8996_DSP1TXR_DRC_ENA),
542
543 SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
544 SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
545 SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
546 SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
547 WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
548 WM8996_DSP2TXR_DRC_ENA),
549 };
550
551 static const struct snd_kcontrol_new wm8996_eq_controls[] = {
552 SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
553 eq_tlv),
554 SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
555 eq_tlv),
556 SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
557 eq_tlv),
558 SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
559 eq_tlv),
560 SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
561 eq_tlv),
562
563 SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
564 eq_tlv),
565 SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
566 eq_tlv),
567 SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
568 eq_tlv),
569 SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
570 eq_tlv),
571 SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
572 eq_tlv),
573 };
574
575 static void wm8996_bg_enable(struct snd_soc_codec *codec)
576 {
577 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
578
579 wm8996->bg_ena++;
580 if (wm8996->bg_ena == 1) {
581 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
582 WM8996_BG_ENA, WM8996_BG_ENA);
583 msleep(2);
584 }
585 }
586
587 static void wm8996_bg_disable(struct snd_soc_codec *codec)
588 {
589 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
590
591 wm8996->bg_ena--;
592 if (!wm8996->bg_ena)
593 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
594 WM8996_BG_ENA, 0);
595 }
596
597 static int bg_event(struct snd_soc_dapm_widget *w,
598 struct snd_kcontrol *kcontrol, int event)
599 {
600 struct snd_soc_codec *codec = w->codec;
601 int ret = 0;
602
603 switch (event) {
604 case SND_SOC_DAPM_PRE_PMU:
605 wm8996_bg_enable(codec);
606 break;
607 case SND_SOC_DAPM_POST_PMD:
608 wm8996_bg_disable(codec);
609 break;
610 default:
611 BUG();
612 ret = -EINVAL;
613 }
614
615 return ret;
616 }
617
618 static int cp_event(struct snd_soc_dapm_widget *w,
619 struct snd_kcontrol *kcontrol, int event)
620 {
621 int ret = 0;
622
623 switch (event) {
624 case SND_SOC_DAPM_POST_PMU:
625 msleep(5);
626 break;
627 default:
628 BUG();
629 ret = -EINVAL;
630 }
631
632 return 0;
633 }
634
635 static int rmv_short_event(struct snd_soc_dapm_widget *w,
636 struct snd_kcontrol *kcontrol, int event)
637 {
638 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
639
640 /* Record which outputs we enabled */
641 switch (event) {
642 case SND_SOC_DAPM_PRE_PMD:
643 wm8996->hpout_pending &= ~w->shift;
644 break;
645 case SND_SOC_DAPM_PRE_PMU:
646 wm8996->hpout_pending |= w->shift;
647 break;
648 default:
649 BUG();
650 return -EINVAL;
651 }
652
653 return 0;
654 }
655
656 static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
657 {
658 struct i2c_client *i2c = to_i2c_client(codec->dev);
659 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
660 int ret;
661 unsigned long timeout = 200;
662
663 snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
664
665 /* Use the interrupt if possible */
666 do {
667 if (i2c->irq) {
668 timeout = wait_for_completion_timeout(&wm8996->dcs_done,
669 msecs_to_jiffies(200));
670 if (timeout == 0)
671 dev_err(codec->dev, "DC servo timed out\n");
672
673 } else {
674 msleep(1);
675 timeout--;
676 }
677
678 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
679 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
680 } while (timeout && ret & mask);
681
682 if (timeout == 0)
683 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
684 else
685 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
686 }
687
688 static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
689 enum snd_soc_dapm_type event, int subseq)
690 {
691 struct snd_soc_codec *codec = container_of(dapm,
692 struct snd_soc_codec, dapm);
693 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
694 u16 val, mask;
695
696 /* Complete any pending DC servo starts */
697 if (wm8996->dcs_pending) {
698 dev_dbg(codec->dev, "Starting DC servo for %x\n",
699 wm8996->dcs_pending);
700
701 /* Trigger a startup sequence */
702 wait_for_dc_servo(codec, wm8996->dcs_pending
703 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
704
705 wm8996->dcs_pending = 0;
706 }
707
708 if (wm8996->hpout_pending != wm8996->hpout_ena) {
709 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
710 wm8996->hpout_ena, wm8996->hpout_pending);
711
712 val = 0;
713 mask = 0;
714 if (wm8996->hpout_pending & HPOUT1L) {
715 val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
716 mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
717 } else {
718 mask |= WM8996_HPOUT1L_RMV_SHORT |
719 WM8996_HPOUT1L_OUTP |
720 WM8996_HPOUT1L_DLY;
721 }
722
723 if (wm8996->hpout_pending & HPOUT1R) {
724 val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
725 mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
726 } else {
727 mask |= WM8996_HPOUT1R_RMV_SHORT |
728 WM8996_HPOUT1R_OUTP |
729 WM8996_HPOUT1R_DLY;
730 }
731
732 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
733
734 val = 0;
735 mask = 0;
736 if (wm8996->hpout_pending & HPOUT2L) {
737 val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
738 mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
739 } else {
740 mask |= WM8996_HPOUT2L_RMV_SHORT |
741 WM8996_HPOUT2L_OUTP |
742 WM8996_HPOUT2L_DLY;
743 }
744
745 if (wm8996->hpout_pending & HPOUT2R) {
746 val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
747 mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
748 } else {
749 mask |= WM8996_HPOUT2R_RMV_SHORT |
750 WM8996_HPOUT2R_OUTP |
751 WM8996_HPOUT2R_DLY;
752 }
753
754 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
755
756 wm8996->hpout_ena = wm8996->hpout_pending;
757 }
758 }
759
760 static int dcs_start(struct snd_soc_dapm_widget *w,
761 struct snd_kcontrol *kcontrol, int event)
762 {
763 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(w->codec);
764
765 switch (event) {
766 case SND_SOC_DAPM_POST_PMU:
767 wm8996->dcs_pending |= 1 << w->shift;
768 break;
769 default:
770 BUG();
771 return -EINVAL;
772 }
773
774 return 0;
775 }
776
777 static const char *sidetone_text[] = {
778 "IN1", "IN2",
779 };
780
781 static const struct soc_enum left_sidetone_enum =
782 SOC_ENUM_SINGLE(WM8996_SIDETONE, 0, 2, sidetone_text);
783
784 static const struct snd_kcontrol_new left_sidetone =
785 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
786
787 static const struct soc_enum right_sidetone_enum =
788 SOC_ENUM_SINGLE(WM8996_SIDETONE, 1, 2, sidetone_text);
789
790 static const struct snd_kcontrol_new right_sidetone =
791 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
792
793 static const char *spk_text[] = {
794 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
795 };
796
797 static const struct soc_enum spkl_enum =
798 SOC_ENUM_SINGLE(WM8996_LEFT_PDM_SPEAKER, 0, 4, spk_text);
799
800 static const struct snd_kcontrol_new spkl_mux =
801 SOC_DAPM_ENUM("SPKL", spkl_enum);
802
803 static const struct soc_enum spkr_enum =
804 SOC_ENUM_SINGLE(WM8996_RIGHT_PDM_SPEAKER, 0, 4, spk_text);
805
806 static const struct snd_kcontrol_new spkr_mux =
807 SOC_DAPM_ENUM("SPKR", spkr_enum);
808
809 static const char *dsp1rx_text[] = {
810 "AIF1", "AIF2"
811 };
812
813 static const struct soc_enum dsp1rx_enum =
814 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 0, 2, dsp1rx_text);
815
816 static const struct snd_kcontrol_new dsp1rx =
817 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
818
819 static const char *dsp2rx_text[] = {
820 "AIF2", "AIF1"
821 };
822
823 static const struct soc_enum dsp2rx_enum =
824 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 4, 2, dsp2rx_text);
825
826 static const struct snd_kcontrol_new dsp2rx =
827 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
828
829 static const char *aif2tx_text[] = {
830 "DSP2", "DSP1", "AIF1"
831 };
832
833 static const struct soc_enum aif2tx_enum =
834 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_8, 6, 3, aif2tx_text);
835
836 static const struct snd_kcontrol_new aif2tx =
837 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
838
839 static const char *inmux_text[] = {
840 "ADC", "DMIC1", "DMIC2"
841 };
842
843 static const struct soc_enum in1_enum =
844 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 0, 3, inmux_text);
845
846 static const struct snd_kcontrol_new in1_mux =
847 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
848
849 static const struct soc_enum in2_enum =
850 SOC_ENUM_SINGLE(WM8996_POWER_MANAGEMENT_7, 4, 3, inmux_text);
851
852 static const struct snd_kcontrol_new in2_mux =
853 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
854
855 static const struct snd_kcontrol_new dac2r_mix[] = {
856 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
857 5, 1, 0),
858 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
859 4, 1, 0),
860 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
861 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
862 };
863
864 static const struct snd_kcontrol_new dac2l_mix[] = {
865 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
866 5, 1, 0),
867 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
868 4, 1, 0),
869 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
870 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
871 };
872
873 static const struct snd_kcontrol_new dac1r_mix[] = {
874 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
875 5, 1, 0),
876 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
877 4, 1, 0),
878 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
879 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
880 };
881
882 static const struct snd_kcontrol_new dac1l_mix[] = {
883 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
884 5, 1, 0),
885 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
886 4, 1, 0),
887 SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
888 SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
889 };
890
891 static const struct snd_kcontrol_new dsp1txl[] = {
892 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
893 1, 1, 0),
894 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
895 0, 1, 0),
896 };
897
898 static const struct snd_kcontrol_new dsp1txr[] = {
899 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
900 1, 1, 0),
901 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
902 0, 1, 0),
903 };
904
905 static const struct snd_kcontrol_new dsp2txl[] = {
906 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
907 1, 1, 0),
908 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
909 0, 1, 0),
910 };
911
912 static const struct snd_kcontrol_new dsp2txr[] = {
913 SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
914 1, 1, 0),
915 SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
916 0, 1, 0),
917 };
918
919
920 static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
921 SND_SOC_DAPM_INPUT("IN1LN"),
922 SND_SOC_DAPM_INPUT("IN1LP"),
923 SND_SOC_DAPM_INPUT("IN1RN"),
924 SND_SOC_DAPM_INPUT("IN1RP"),
925
926 SND_SOC_DAPM_INPUT("IN2LN"),
927 SND_SOC_DAPM_INPUT("IN2LP"),
928 SND_SOC_DAPM_INPUT("IN2RN"),
929 SND_SOC_DAPM_INPUT("IN2RP"),
930
931 SND_SOC_DAPM_INPUT("DMIC1DAT"),
932 SND_SOC_DAPM_INPUT("DMIC2DAT"),
933
934 SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
935 SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
936 SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
937 SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
938 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
939 SND_SOC_DAPM_POST_PMU),
940 SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
941 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
942 SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
943 SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
944 SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
945 SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
946 SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
947
948 SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
949 SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
950
951 SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
952 SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
953 SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
954 SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
955
956 SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
957 SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
958
959 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
960 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
961 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
962 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
963
964 SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
965 SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
966
967 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
968 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
969
970 SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
971 SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
972 SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
973 SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
974
975 SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
976 dsp2txl, ARRAY_SIZE(dsp2txl)),
977 SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
978 dsp2txr, ARRAY_SIZE(dsp2txr)),
979 SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
980 dsp1txl, ARRAY_SIZE(dsp1txl)),
981 SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
982 dsp1txr, ARRAY_SIZE(dsp1txr)),
983
984 SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
985 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
986 SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
987 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
988 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
989 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
990 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
991 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
992
993 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
994 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
995 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
996 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
997
998 SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
999 SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
1000
1001 SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
1002 SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
1003
1004 SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1005 SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1006 SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1007 SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1008 SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1009 SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1010
1011 SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1012 SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1013 SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1014 SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1015 SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1016 SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1017
1018 /* We route as stereo pairs so define some dummy widgets to squash
1019 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1020 SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1021 SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1022 SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1023 SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1024 SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1025
1026 SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1027 SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1028 SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1029
1030 SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1031 SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1032 SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1033 SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1034
1035 SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1036 SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1037 SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1038 SND_SOC_DAPM_POST_PMU),
1039 SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1040 rmv_short_event,
1041 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1042
1043 SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1044 SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1045 SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1046 SND_SOC_DAPM_POST_PMU),
1047 SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1048 rmv_short_event,
1049 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1050
1051 SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1052 SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1053 SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1054 SND_SOC_DAPM_POST_PMU),
1055 SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1056 rmv_short_event,
1057 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1058
1059 SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1060 SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1061 SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1062 SND_SOC_DAPM_POST_PMU),
1063 SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1064 rmv_short_event,
1065 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1066
1067 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1068 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1069 SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1070 SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1071 SND_SOC_DAPM_OUTPUT("SPKDAT"),
1072 };
1073
1074 static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1075 { "AIFCLK", NULL, "SYSCLK" },
1076 { "SYSDSPCLK", NULL, "SYSCLK" },
1077 { "Charge Pump", NULL, "SYSCLK" },
1078 { "Charge Pump", NULL, "CPVDD" },
1079
1080 { "MICB1", NULL, "LDO2" },
1081 { "MICB1", NULL, "MICB1 Audio" },
1082 { "MICB1", NULL, "Bandgap" },
1083 { "MICB2", NULL, "LDO2" },
1084 { "MICB2", NULL, "MICB2 Audio" },
1085 { "MICB2", NULL, "Bandgap" },
1086
1087 { "AIF1RX0", NULL, "AIF1 Playback" },
1088 { "AIF1RX1", NULL, "AIF1 Playback" },
1089 { "AIF1RX2", NULL, "AIF1 Playback" },
1090 { "AIF1RX3", NULL, "AIF1 Playback" },
1091 { "AIF1RX4", NULL, "AIF1 Playback" },
1092 { "AIF1RX5", NULL, "AIF1 Playback" },
1093
1094 { "AIF2RX0", NULL, "AIF2 Playback" },
1095 { "AIF2RX1", NULL, "AIF2 Playback" },
1096
1097 { "AIF1 Capture", NULL, "AIF1TX0" },
1098 { "AIF1 Capture", NULL, "AIF1TX1" },
1099 { "AIF1 Capture", NULL, "AIF1TX2" },
1100 { "AIF1 Capture", NULL, "AIF1TX3" },
1101 { "AIF1 Capture", NULL, "AIF1TX4" },
1102 { "AIF1 Capture", NULL, "AIF1TX5" },
1103
1104 { "AIF2 Capture", NULL, "AIF2TX0" },
1105 { "AIF2 Capture", NULL, "AIF2TX1" },
1106
1107 { "IN1L PGA", NULL, "IN2LN" },
1108 { "IN1L PGA", NULL, "IN2LP" },
1109 { "IN1L PGA", NULL, "IN1LN" },
1110 { "IN1L PGA", NULL, "IN1LP" },
1111 { "IN1L PGA", NULL, "Bandgap" },
1112
1113 { "IN1R PGA", NULL, "IN2RN" },
1114 { "IN1R PGA", NULL, "IN2RP" },
1115 { "IN1R PGA", NULL, "IN1RN" },
1116 { "IN1R PGA", NULL, "IN1RP" },
1117 { "IN1R PGA", NULL, "Bandgap" },
1118
1119 { "ADCL", NULL, "IN1L PGA" },
1120
1121 { "ADCR", NULL, "IN1R PGA" },
1122
1123 { "DMIC1L", NULL, "DMIC1DAT" },
1124 { "DMIC1R", NULL, "DMIC1DAT" },
1125 { "DMIC2L", NULL, "DMIC2DAT" },
1126 { "DMIC2R", NULL, "DMIC2DAT" },
1127
1128 { "DMIC2L", NULL, "DMIC2" },
1129 { "DMIC2R", NULL, "DMIC2" },
1130 { "DMIC1L", NULL, "DMIC1" },
1131 { "DMIC1R", NULL, "DMIC1" },
1132
1133 { "IN1L Mux", "ADC", "ADCL" },
1134 { "IN1L Mux", "DMIC1", "DMIC1L" },
1135 { "IN1L Mux", "DMIC2", "DMIC2L" },
1136
1137 { "IN1R Mux", "ADC", "ADCR" },
1138 { "IN1R Mux", "DMIC1", "DMIC1R" },
1139 { "IN1R Mux", "DMIC2", "DMIC2R" },
1140
1141 { "IN2L Mux", "ADC", "ADCL" },
1142 { "IN2L Mux", "DMIC1", "DMIC1L" },
1143 { "IN2L Mux", "DMIC2", "DMIC2L" },
1144
1145 { "IN2R Mux", "ADC", "ADCR" },
1146 { "IN2R Mux", "DMIC1", "DMIC1R" },
1147 { "IN2R Mux", "DMIC2", "DMIC2R" },
1148
1149 { "Left Sidetone", "IN1", "IN1L Mux" },
1150 { "Left Sidetone", "IN2", "IN2L Mux" },
1151
1152 { "Right Sidetone", "IN1", "IN1R Mux" },
1153 { "Right Sidetone", "IN2", "IN2R Mux" },
1154
1155 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1156 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1157
1158 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1159 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1160
1161 { "AIF1TX0", NULL, "DSP1TXL" },
1162 { "AIF1TX1", NULL, "DSP1TXR" },
1163 { "AIF1TX2", NULL, "DSP2TXL" },
1164 { "AIF1TX3", NULL, "DSP2TXR" },
1165 { "AIF1TX4", NULL, "AIF2RX0" },
1166 { "AIF1TX5", NULL, "AIF2RX1" },
1167
1168 { "AIF1RX0", NULL, "AIFCLK" },
1169 { "AIF1RX1", NULL, "AIFCLK" },
1170 { "AIF1RX2", NULL, "AIFCLK" },
1171 { "AIF1RX3", NULL, "AIFCLK" },
1172 { "AIF1RX4", NULL, "AIFCLK" },
1173 { "AIF1RX5", NULL, "AIFCLK" },
1174
1175 { "AIF2RX0", NULL, "AIFCLK" },
1176 { "AIF2RX1", NULL, "AIFCLK" },
1177
1178 { "AIF1TX0", NULL, "AIFCLK" },
1179 { "AIF1TX1", NULL, "AIFCLK" },
1180 { "AIF1TX2", NULL, "AIFCLK" },
1181 { "AIF1TX3", NULL, "AIFCLK" },
1182 { "AIF1TX4", NULL, "AIFCLK" },
1183 { "AIF1TX5", NULL, "AIFCLK" },
1184
1185 { "AIF2TX0", NULL, "AIFCLK" },
1186 { "AIF2TX1", NULL, "AIFCLK" },
1187
1188 { "DSP1RXL", NULL, "SYSDSPCLK" },
1189 { "DSP1RXR", NULL, "SYSDSPCLK" },
1190 { "DSP2RXL", NULL, "SYSDSPCLK" },
1191 { "DSP2RXR", NULL, "SYSDSPCLK" },
1192 { "DSP1TXL", NULL, "SYSDSPCLK" },
1193 { "DSP1TXR", NULL, "SYSDSPCLK" },
1194 { "DSP2TXL", NULL, "SYSDSPCLK" },
1195 { "DSP2TXR", NULL, "SYSDSPCLK" },
1196
1197 { "AIF1RXA", NULL, "AIF1RX0" },
1198 { "AIF1RXA", NULL, "AIF1RX1" },
1199 { "AIF1RXB", NULL, "AIF1RX2" },
1200 { "AIF1RXB", NULL, "AIF1RX3" },
1201 { "AIF1RXC", NULL, "AIF1RX4" },
1202 { "AIF1RXC", NULL, "AIF1RX5" },
1203
1204 { "AIF2RX", NULL, "AIF2RX0" },
1205 { "AIF2RX", NULL, "AIF2RX1" },
1206
1207 { "AIF2TX", "DSP2", "DSP2TX" },
1208 { "AIF2TX", "DSP1", "DSP1RX" },
1209 { "AIF2TX", "AIF1", "AIF1RXC" },
1210
1211 { "DSP1RXL", NULL, "DSP1RX" },
1212 { "DSP1RXR", NULL, "DSP1RX" },
1213 { "DSP2RXL", NULL, "DSP2RX" },
1214 { "DSP2RXR", NULL, "DSP2RX" },
1215
1216 { "DSP2TX", NULL, "DSP2TXL" },
1217 { "DSP2TX", NULL, "DSP2TXR" },
1218
1219 { "DSP1RX", "AIF1", "AIF1RXA" },
1220 { "DSP1RX", "AIF2", "AIF2RX" },
1221
1222 { "DSP2RX", "AIF1", "AIF1RXB" },
1223 { "DSP2RX", "AIF2", "AIF2RX" },
1224
1225 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1226 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1227 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1228 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1229
1230 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1231 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1232 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1233 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1234
1235 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1236 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1237 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1238 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1239
1240 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1241 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1242 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1243 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1244
1245 { "DAC1L", NULL, "DAC1L Mixer" },
1246 { "DAC1R", NULL, "DAC1R Mixer" },
1247 { "DAC2L", NULL, "DAC2L Mixer" },
1248 { "DAC2R", NULL, "DAC2R Mixer" },
1249
1250 { "HPOUT2L PGA", NULL, "Charge Pump" },
1251 { "HPOUT2L PGA", NULL, "Bandgap" },
1252 { "HPOUT2L PGA", NULL, "DAC2L" },
1253 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1254 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1255 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1256
1257 { "HPOUT2R PGA", NULL, "Charge Pump" },
1258 { "HPOUT2R PGA", NULL, "Bandgap" },
1259 { "HPOUT2R PGA", NULL, "DAC2R" },
1260 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1261 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1262 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1263
1264 { "HPOUT1L PGA", NULL, "Charge Pump" },
1265 { "HPOUT1L PGA", NULL, "Bandgap" },
1266 { "HPOUT1L PGA", NULL, "DAC1L" },
1267 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1268 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1269 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1270
1271 { "HPOUT1R PGA", NULL, "Charge Pump" },
1272 { "HPOUT1R PGA", NULL, "Bandgap" },
1273 { "HPOUT1R PGA", NULL, "DAC1R" },
1274 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1275 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1276 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1277
1278 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1279 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1280 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1281 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1282
1283 { "SPKL", "DAC1L", "DAC1L" },
1284 { "SPKL", "DAC1R", "DAC1R" },
1285 { "SPKL", "DAC2L", "DAC2L" },
1286 { "SPKL", "DAC2R", "DAC2R" },
1287
1288 { "SPKR", "DAC1L", "DAC1L" },
1289 { "SPKR", "DAC1R", "DAC1R" },
1290 { "SPKR", "DAC2L", "DAC2L" },
1291 { "SPKR", "DAC2R", "DAC2R" },
1292
1293 { "SPKL PGA", NULL, "SPKL" },
1294 { "SPKR PGA", NULL, "SPKR" },
1295
1296 { "SPKDAT", NULL, "SPKL PGA" },
1297 { "SPKDAT", NULL, "SPKR PGA" },
1298 };
1299
1300 static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1301 {
1302 /* Due to the sparseness of the register map the compiler
1303 * output from an explicit switch statement ends up being much
1304 * more efficient than a table.
1305 */
1306 switch (reg) {
1307 case WM8996_SOFTWARE_RESET:
1308 case WM8996_POWER_MANAGEMENT_1:
1309 case WM8996_POWER_MANAGEMENT_2:
1310 case WM8996_POWER_MANAGEMENT_3:
1311 case WM8996_POWER_MANAGEMENT_4:
1312 case WM8996_POWER_MANAGEMENT_5:
1313 case WM8996_POWER_MANAGEMENT_6:
1314 case WM8996_POWER_MANAGEMENT_7:
1315 case WM8996_POWER_MANAGEMENT_8:
1316 case WM8996_LEFT_LINE_INPUT_VOLUME:
1317 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1318 case WM8996_LINE_INPUT_CONTROL:
1319 case WM8996_DAC1_HPOUT1_VOLUME:
1320 case WM8996_DAC2_HPOUT2_VOLUME:
1321 case WM8996_DAC1_LEFT_VOLUME:
1322 case WM8996_DAC1_RIGHT_VOLUME:
1323 case WM8996_DAC2_LEFT_VOLUME:
1324 case WM8996_DAC2_RIGHT_VOLUME:
1325 case WM8996_OUTPUT1_LEFT_VOLUME:
1326 case WM8996_OUTPUT1_RIGHT_VOLUME:
1327 case WM8996_OUTPUT2_LEFT_VOLUME:
1328 case WM8996_OUTPUT2_RIGHT_VOLUME:
1329 case WM8996_MICBIAS_1:
1330 case WM8996_MICBIAS_2:
1331 case WM8996_LDO_1:
1332 case WM8996_LDO_2:
1333 case WM8996_ACCESSORY_DETECT_MODE_1:
1334 case WM8996_ACCESSORY_DETECT_MODE_2:
1335 case WM8996_HEADPHONE_DETECT_1:
1336 case WM8996_HEADPHONE_DETECT_2:
1337 case WM8996_MIC_DETECT_1:
1338 case WM8996_MIC_DETECT_2:
1339 case WM8996_MIC_DETECT_3:
1340 case WM8996_CHARGE_PUMP_1:
1341 case WM8996_CHARGE_PUMP_2:
1342 case WM8996_DC_SERVO_1:
1343 case WM8996_DC_SERVO_2:
1344 case WM8996_DC_SERVO_3:
1345 case WM8996_DC_SERVO_5:
1346 case WM8996_DC_SERVO_6:
1347 case WM8996_DC_SERVO_7:
1348 case WM8996_DC_SERVO_READBACK_0:
1349 case WM8996_ANALOGUE_HP_1:
1350 case WM8996_ANALOGUE_HP_2:
1351 case WM8996_CHIP_REVISION:
1352 case WM8996_CONTROL_INTERFACE_1:
1353 case WM8996_WRITE_SEQUENCER_CTRL_1:
1354 case WM8996_WRITE_SEQUENCER_CTRL_2:
1355 case WM8996_AIF_CLOCKING_1:
1356 case WM8996_AIF_CLOCKING_2:
1357 case WM8996_CLOCKING_1:
1358 case WM8996_CLOCKING_2:
1359 case WM8996_AIF_RATE:
1360 case WM8996_FLL_CONTROL_1:
1361 case WM8996_FLL_CONTROL_2:
1362 case WM8996_FLL_CONTROL_3:
1363 case WM8996_FLL_CONTROL_4:
1364 case WM8996_FLL_CONTROL_5:
1365 case WM8996_FLL_CONTROL_6:
1366 case WM8996_FLL_EFS_1:
1367 case WM8996_FLL_EFS_2:
1368 case WM8996_AIF1_CONTROL:
1369 case WM8996_AIF1_BCLK:
1370 case WM8996_AIF1_TX_LRCLK_1:
1371 case WM8996_AIF1_TX_LRCLK_2:
1372 case WM8996_AIF1_RX_LRCLK_1:
1373 case WM8996_AIF1_RX_LRCLK_2:
1374 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1375 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1376 case WM8996_AIF1RX_DATA_CONFIGURATION:
1377 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1378 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1379 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1380 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1381 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1382 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1383 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1384 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1385 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1386 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1387 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1388 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1389 case WM8996_AIF1RX_MONO_CONFIGURATION:
1390 case WM8996_AIF1TX_TEST:
1391 case WM8996_AIF2_CONTROL:
1392 case WM8996_AIF2_BCLK:
1393 case WM8996_AIF2_TX_LRCLK_1:
1394 case WM8996_AIF2_TX_LRCLK_2:
1395 case WM8996_AIF2_RX_LRCLK_1:
1396 case WM8996_AIF2_RX_LRCLK_2:
1397 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1398 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1399 case WM8996_AIF2RX_DATA_CONFIGURATION:
1400 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1401 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1402 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1403 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1404 case WM8996_AIF2RX_MONO_CONFIGURATION:
1405 case WM8996_AIF2TX_TEST:
1406 case WM8996_DSP1_TX_LEFT_VOLUME:
1407 case WM8996_DSP1_TX_RIGHT_VOLUME:
1408 case WM8996_DSP1_RX_LEFT_VOLUME:
1409 case WM8996_DSP1_RX_RIGHT_VOLUME:
1410 case WM8996_DSP1_TX_FILTERS:
1411 case WM8996_DSP1_RX_FILTERS_1:
1412 case WM8996_DSP1_RX_FILTERS_2:
1413 case WM8996_DSP1_DRC_1:
1414 case WM8996_DSP1_DRC_2:
1415 case WM8996_DSP1_DRC_3:
1416 case WM8996_DSP1_DRC_4:
1417 case WM8996_DSP1_DRC_5:
1418 case WM8996_DSP1_RX_EQ_GAINS_1:
1419 case WM8996_DSP1_RX_EQ_GAINS_2:
1420 case WM8996_DSP1_RX_EQ_BAND_1_A:
1421 case WM8996_DSP1_RX_EQ_BAND_1_B:
1422 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1423 case WM8996_DSP1_RX_EQ_BAND_2_A:
1424 case WM8996_DSP1_RX_EQ_BAND_2_B:
1425 case WM8996_DSP1_RX_EQ_BAND_2_C:
1426 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1427 case WM8996_DSP1_RX_EQ_BAND_3_A:
1428 case WM8996_DSP1_RX_EQ_BAND_3_B:
1429 case WM8996_DSP1_RX_EQ_BAND_3_C:
1430 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1431 case WM8996_DSP1_RX_EQ_BAND_4_A:
1432 case WM8996_DSP1_RX_EQ_BAND_4_B:
1433 case WM8996_DSP1_RX_EQ_BAND_4_C:
1434 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1435 case WM8996_DSP1_RX_EQ_BAND_5_A:
1436 case WM8996_DSP1_RX_EQ_BAND_5_B:
1437 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1438 case WM8996_DSP2_TX_LEFT_VOLUME:
1439 case WM8996_DSP2_TX_RIGHT_VOLUME:
1440 case WM8996_DSP2_RX_LEFT_VOLUME:
1441 case WM8996_DSP2_RX_RIGHT_VOLUME:
1442 case WM8996_DSP2_TX_FILTERS:
1443 case WM8996_DSP2_RX_FILTERS_1:
1444 case WM8996_DSP2_RX_FILTERS_2:
1445 case WM8996_DSP2_DRC_1:
1446 case WM8996_DSP2_DRC_2:
1447 case WM8996_DSP2_DRC_3:
1448 case WM8996_DSP2_DRC_4:
1449 case WM8996_DSP2_DRC_5:
1450 case WM8996_DSP2_RX_EQ_GAINS_1:
1451 case WM8996_DSP2_RX_EQ_GAINS_2:
1452 case WM8996_DSP2_RX_EQ_BAND_1_A:
1453 case WM8996_DSP2_RX_EQ_BAND_1_B:
1454 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1455 case WM8996_DSP2_RX_EQ_BAND_2_A:
1456 case WM8996_DSP2_RX_EQ_BAND_2_B:
1457 case WM8996_DSP2_RX_EQ_BAND_2_C:
1458 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1459 case WM8996_DSP2_RX_EQ_BAND_3_A:
1460 case WM8996_DSP2_RX_EQ_BAND_3_B:
1461 case WM8996_DSP2_RX_EQ_BAND_3_C:
1462 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1463 case WM8996_DSP2_RX_EQ_BAND_4_A:
1464 case WM8996_DSP2_RX_EQ_BAND_4_B:
1465 case WM8996_DSP2_RX_EQ_BAND_4_C:
1466 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1467 case WM8996_DSP2_RX_EQ_BAND_5_A:
1468 case WM8996_DSP2_RX_EQ_BAND_5_B:
1469 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1470 case WM8996_DAC1_MIXER_VOLUMES:
1471 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1472 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1473 case WM8996_DAC2_MIXER_VOLUMES:
1474 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1475 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1476 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1477 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1478 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1479 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1480 case WM8996_DSP_TX_MIXER_SELECT:
1481 case WM8996_DAC_SOFTMUTE:
1482 case WM8996_OVERSAMPLING:
1483 case WM8996_SIDETONE:
1484 case WM8996_GPIO_1:
1485 case WM8996_GPIO_2:
1486 case WM8996_GPIO_3:
1487 case WM8996_GPIO_4:
1488 case WM8996_GPIO_5:
1489 case WM8996_PULL_CONTROL_1:
1490 case WM8996_PULL_CONTROL_2:
1491 case WM8996_INTERRUPT_STATUS_1:
1492 case WM8996_INTERRUPT_STATUS_2:
1493 case WM8996_INTERRUPT_RAW_STATUS_2:
1494 case WM8996_INTERRUPT_STATUS_1_MASK:
1495 case WM8996_INTERRUPT_STATUS_2_MASK:
1496 case WM8996_INTERRUPT_CONTROL:
1497 case WM8996_LEFT_PDM_SPEAKER:
1498 case WM8996_RIGHT_PDM_SPEAKER:
1499 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1500 case WM8996_PDM_SPEAKER_VOLUME:
1501 return 1;
1502 default:
1503 return 0;
1504 }
1505 }
1506
1507 static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1508 {
1509 switch (reg) {
1510 case WM8996_SOFTWARE_RESET:
1511 case WM8996_CHIP_REVISION:
1512 case WM8996_LDO_1:
1513 case WM8996_LDO_2:
1514 case WM8996_INTERRUPT_STATUS_1:
1515 case WM8996_INTERRUPT_STATUS_2:
1516 case WM8996_INTERRUPT_RAW_STATUS_2:
1517 case WM8996_DC_SERVO_READBACK_0:
1518 case WM8996_DC_SERVO_2:
1519 case WM8996_DC_SERVO_6:
1520 case WM8996_DC_SERVO_7:
1521 case WM8996_FLL_CONTROL_6:
1522 case WM8996_MIC_DETECT_3:
1523 case WM8996_HEADPHONE_DETECT_1:
1524 case WM8996_HEADPHONE_DETECT_2:
1525 return 1;
1526 default:
1527 return 0;
1528 }
1529 }
1530
1531 static const int bclk_divs[] = {
1532 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1533 };
1534
1535 static void wm8996_update_bclk(struct snd_soc_codec *codec)
1536 {
1537 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1538 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1539
1540 /* Don't bother if we're in a low frequency idle mode that
1541 * can't support audio.
1542 */
1543 if (wm8996->sysclk < 64000)
1544 return;
1545
1546 for (aif = 0; aif < WM8996_AIFS; aif++) {
1547 switch (aif) {
1548 case 0:
1549 bclk_reg = WM8996_AIF1_BCLK;
1550 break;
1551 case 1:
1552 bclk_reg = WM8996_AIF2_BCLK;
1553 break;
1554 }
1555
1556 bclk_rate = wm8996->bclk_rate[aif];
1557
1558 /* Pick a divisor for BCLK as close as we can get to ideal */
1559 best = 0;
1560 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1561 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1562 if (cur_val < 0) /* BCLK table is sorted */
1563 break;
1564 best = i;
1565 }
1566 bclk_rate = wm8996->sysclk / bclk_divs[best];
1567 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1568 bclk_divs[best], bclk_rate);
1569
1570 snd_soc_update_bits(codec, bclk_reg,
1571 WM8996_AIF1_BCLK_DIV_MASK, best);
1572 }
1573 }
1574
1575 static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1576 enum snd_soc_bias_level level)
1577 {
1578 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1579 int ret;
1580
1581 switch (level) {
1582 case SND_SOC_BIAS_ON:
1583 break;
1584 case SND_SOC_BIAS_PREPARE:
1585 /* Put the MICBIASes into regulating mode */
1586 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1587 WM8996_MICB1_MODE, 0);
1588 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1589 WM8996_MICB2_MODE, 0);
1590 break;
1591
1592 case SND_SOC_BIAS_STANDBY:
1593 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
1594 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1595 wm8996->supplies);
1596 if (ret != 0) {
1597 dev_err(codec->dev,
1598 "Failed to enable supplies: %d\n",
1599 ret);
1600 return ret;
1601 }
1602
1603 if (wm8996->pdata.ldo_ena >= 0) {
1604 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1605 1);
1606 msleep(5);
1607 }
1608
1609 regcache_cache_only(codec->control_data, false);
1610 regcache_sync(codec->control_data);
1611 }
1612
1613 /* Bypass the MICBIASes for lowest power */
1614 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1615 WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1616 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1617 WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1618 break;
1619
1620 case SND_SOC_BIAS_OFF:
1621 regcache_cache_only(codec->control_data, true);
1622 if (wm8996->pdata.ldo_ena >= 0) {
1623 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1624 regcache_cache_only(codec->control_data, true);
1625 }
1626 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1627 wm8996->supplies);
1628 break;
1629 }
1630
1631 codec->dapm.bias_level = level;
1632
1633 return 0;
1634 }
1635
1636 static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1637 {
1638 struct snd_soc_codec *codec = dai->codec;
1639 int aifctrl = 0;
1640 int bclk = 0;
1641 int lrclk_tx = 0;
1642 int lrclk_rx = 0;
1643 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1644
1645 switch (dai->id) {
1646 case 0:
1647 aifctrl_reg = WM8996_AIF1_CONTROL;
1648 bclk_reg = WM8996_AIF1_BCLK;
1649 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1650 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1651 break;
1652 case 1:
1653 aifctrl_reg = WM8996_AIF2_CONTROL;
1654 bclk_reg = WM8996_AIF2_BCLK;
1655 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1656 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1657 break;
1658 default:
1659 BUG();
1660 return -EINVAL;
1661 }
1662
1663 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1664 case SND_SOC_DAIFMT_NB_NF:
1665 break;
1666 case SND_SOC_DAIFMT_IB_NF:
1667 bclk |= WM8996_AIF1_BCLK_INV;
1668 break;
1669 case SND_SOC_DAIFMT_NB_IF:
1670 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1671 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1672 break;
1673 case SND_SOC_DAIFMT_IB_IF:
1674 bclk |= WM8996_AIF1_BCLK_INV;
1675 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1676 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1677 break;
1678 }
1679
1680 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1681 case SND_SOC_DAIFMT_CBS_CFS:
1682 break;
1683 case SND_SOC_DAIFMT_CBS_CFM:
1684 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1685 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1686 break;
1687 case SND_SOC_DAIFMT_CBM_CFS:
1688 bclk |= WM8996_AIF1_BCLK_MSTR;
1689 break;
1690 case SND_SOC_DAIFMT_CBM_CFM:
1691 bclk |= WM8996_AIF1_BCLK_MSTR;
1692 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1693 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1694 break;
1695 default:
1696 return -EINVAL;
1697 }
1698
1699 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1700 case SND_SOC_DAIFMT_DSP_A:
1701 break;
1702 case SND_SOC_DAIFMT_DSP_B:
1703 aifctrl |= 1;
1704 break;
1705 case SND_SOC_DAIFMT_I2S:
1706 aifctrl |= 2;
1707 break;
1708 case SND_SOC_DAIFMT_LEFT_J:
1709 aifctrl |= 3;
1710 break;
1711 default:
1712 return -EINVAL;
1713 }
1714
1715 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1716 snd_soc_update_bits(codec, bclk_reg,
1717 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1718 bclk);
1719 snd_soc_update_bits(codec, lrclk_tx_reg,
1720 WM8996_AIF1TX_LRCLK_INV |
1721 WM8996_AIF1TX_LRCLK_MSTR,
1722 lrclk_tx);
1723 snd_soc_update_bits(codec, lrclk_rx_reg,
1724 WM8996_AIF1RX_LRCLK_INV |
1725 WM8996_AIF1RX_LRCLK_MSTR,
1726 lrclk_rx);
1727
1728 return 0;
1729 }
1730
1731 static const int dsp_divs[] = {
1732 48000, 32000, 16000, 8000
1733 };
1734
1735 static int wm8996_hw_params(struct snd_pcm_substream *substream,
1736 struct snd_pcm_hw_params *params,
1737 struct snd_soc_dai *dai)
1738 {
1739 struct snd_soc_codec *codec = dai->codec;
1740 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1741 int bits, i, bclk_rate, best;
1742 int aifdata = 0;
1743 int lrclk = 0;
1744 int dsp = 0;
1745 int aifdata_reg, lrclk_reg, dsp_shift;
1746
1747 switch (dai->id) {
1748 case 0:
1749 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1750 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1751 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1752 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1753 } else {
1754 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1755 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1756 }
1757 dsp_shift = 0;
1758 break;
1759 case 1:
1760 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1761 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1762 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1763 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1764 } else {
1765 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1766 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1767 }
1768 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1769 break;
1770 default:
1771 BUG();
1772 return -EINVAL;
1773 }
1774
1775 bclk_rate = snd_soc_params_to_bclk(params);
1776 if (bclk_rate < 0) {
1777 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1778 return bclk_rate;
1779 }
1780
1781 wm8996->bclk_rate[dai->id] = bclk_rate;
1782 wm8996->rx_rate[dai->id] = params_rate(params);
1783
1784 /* Needs looking at for TDM */
1785 bits = snd_pcm_format_width(params_format(params));
1786 if (bits < 0)
1787 return bits;
1788 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1789
1790 best = 0;
1791 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1792 if (abs(dsp_divs[i] - params_rate(params)) <
1793 abs(dsp_divs[best] - params_rate(params)))
1794 best = i;
1795 }
1796 dsp |= i << dsp_shift;
1797
1798 wm8996_update_bclk(codec);
1799
1800 lrclk = bclk_rate / params_rate(params);
1801 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1802 lrclk, bclk_rate / lrclk);
1803
1804 snd_soc_update_bits(codec, aifdata_reg,
1805 WM8996_AIF1TX_WL_MASK |
1806 WM8996_AIF1TX_SLOT_LEN_MASK,
1807 aifdata);
1808 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1809 lrclk);
1810 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1811 WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1812
1813 return 0;
1814 }
1815
1816 static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1817 int clk_id, unsigned int freq, int dir)
1818 {
1819 struct snd_soc_codec *codec = dai->codec;
1820 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1821 int lfclk = 0;
1822 int ratediv = 0;
1823 int sync = WM8996_REG_SYNC;
1824 int src;
1825 int old;
1826
1827 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1828 return 0;
1829
1830 /* Disable SYSCLK while we reconfigure */
1831 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1832 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1833 WM8996_SYSCLK_ENA, 0);
1834
1835 switch (clk_id) {
1836 case WM8996_SYSCLK_MCLK1:
1837 wm8996->sysclk = freq;
1838 src = 0;
1839 break;
1840 case WM8996_SYSCLK_MCLK2:
1841 wm8996->sysclk = freq;
1842 src = 1;
1843 break;
1844 case WM8996_SYSCLK_FLL:
1845 wm8996->sysclk = freq;
1846 src = 2;
1847 break;
1848 default:
1849 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1850 return -EINVAL;
1851 }
1852
1853 switch (wm8996->sysclk) {
1854 case 5644800:
1855 case 6144000:
1856 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1857 WM8996_SYSCLK_RATE, 0);
1858 break;
1859 case 22579200:
1860 case 24576000:
1861 ratediv = WM8996_SYSCLK_DIV;
1862 wm8996->sysclk /= 2;
1863 case 11289600:
1864 case 12288000:
1865 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1866 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1867 break;
1868 case 32000:
1869 case 32768:
1870 lfclk = WM8996_LFCLK_ENA;
1871 sync = 0;
1872 break;
1873 default:
1874 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1875 wm8996->sysclk);
1876 return -EINVAL;
1877 }
1878
1879 wm8996_update_bclk(codec);
1880
1881 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1882 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1883 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1884 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1885 snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1886 WM8996_REG_SYNC, sync);
1887 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1888 WM8996_SYSCLK_ENA, old);
1889
1890 wm8996->sysclk_src = clk_id;
1891
1892 return 0;
1893 }
1894
1895 struct _fll_div {
1896 u16 fll_fratio;
1897 u16 fll_outdiv;
1898 u16 fll_refclk_div;
1899 u16 fll_loop_gain;
1900 u16 fll_ref_freq;
1901 u16 n;
1902 u16 theta;
1903 u16 lambda;
1904 };
1905
1906 static struct {
1907 unsigned int min;
1908 unsigned int max;
1909 u16 fll_fratio;
1910 int ratio;
1911 } fll_fratios[] = {
1912 { 0, 64000, 4, 16 },
1913 { 64000, 128000, 3, 8 },
1914 { 128000, 256000, 2, 4 },
1915 { 256000, 1000000, 1, 2 },
1916 { 1000000, 13500000, 0, 1 },
1917 };
1918
1919 static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1920 unsigned int Fout)
1921 {
1922 unsigned int target;
1923 unsigned int div;
1924 unsigned int fratio, gcd_fll;
1925 int i;
1926
1927 /* Fref must be <=13.5MHz */
1928 div = 1;
1929 fll_div->fll_refclk_div = 0;
1930 while ((Fref / div) > 13500000) {
1931 div *= 2;
1932 fll_div->fll_refclk_div++;
1933
1934 if (div > 8) {
1935 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1936 Fref);
1937 return -EINVAL;
1938 }
1939 }
1940
1941 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1942
1943 /* Apply the division for our remaining calculations */
1944 Fref /= div;
1945
1946 if (Fref >= 3000000)
1947 fll_div->fll_loop_gain = 5;
1948 else
1949 fll_div->fll_loop_gain = 0;
1950
1951 if (Fref >= 48000)
1952 fll_div->fll_ref_freq = 0;
1953 else
1954 fll_div->fll_ref_freq = 1;
1955
1956 /* Fvco should be 90-100MHz; don't check the upper bound */
1957 div = 2;
1958 while (Fout * div < 90000000) {
1959 div++;
1960 if (div > 64) {
1961 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1962 Fout);
1963 return -EINVAL;
1964 }
1965 }
1966 target = Fout * div;
1967 fll_div->fll_outdiv = div - 1;
1968
1969 pr_debug("FLL Fvco=%dHz\n", target);
1970
1971 /* Find an appropraite FLL_FRATIO and factor it out of the target */
1972 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1973 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1974 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1975 fratio = fll_fratios[i].ratio;
1976 break;
1977 }
1978 }
1979 if (i == ARRAY_SIZE(fll_fratios)) {
1980 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1981 return -EINVAL;
1982 }
1983
1984 fll_div->n = target / (fratio * Fref);
1985
1986 if (target % Fref == 0) {
1987 fll_div->theta = 0;
1988 fll_div->lambda = 0;
1989 } else {
1990 gcd_fll = gcd(target, fratio * Fref);
1991
1992 fll_div->theta = (target - (fll_div->n * fratio * Fref))
1993 / gcd_fll;
1994 fll_div->lambda = (fratio * Fref) / gcd_fll;
1995 }
1996
1997 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
1998 fll_div->n, fll_div->theta, fll_div->lambda);
1999 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
2000 fll_div->fll_fratio, fll_div->fll_outdiv,
2001 fll_div->fll_refclk_div);
2002
2003 return 0;
2004 }
2005
2006 static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2007 unsigned int Fref, unsigned int Fout)
2008 {
2009 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2010 struct i2c_client *i2c = to_i2c_client(codec->dev);
2011 struct _fll_div fll_div;
2012 unsigned long timeout;
2013 int ret, reg, retry;
2014
2015 /* Any change? */
2016 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2017 Fout == wm8996->fll_fout)
2018 return 0;
2019
2020 if (Fout == 0) {
2021 dev_dbg(codec->dev, "FLL disabled\n");
2022
2023 wm8996->fll_fref = 0;
2024 wm8996->fll_fout = 0;
2025
2026 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2027 WM8996_FLL_ENA, 0);
2028
2029 wm8996_bg_disable(codec);
2030
2031 return 0;
2032 }
2033
2034 ret = fll_factors(&fll_div, Fref, Fout);
2035 if (ret != 0)
2036 return ret;
2037
2038 switch (source) {
2039 case WM8996_FLL_MCLK1:
2040 reg = 0;
2041 break;
2042 case WM8996_FLL_MCLK2:
2043 reg = 1;
2044 break;
2045 case WM8996_FLL_DACLRCLK1:
2046 reg = 2;
2047 break;
2048 case WM8996_FLL_BCLK1:
2049 reg = 3;
2050 break;
2051 default:
2052 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2053 return -EINVAL;
2054 }
2055
2056 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2057 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2058
2059 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2060 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2061 WM8996_FLL_REFCLK_SRC_MASK, reg);
2062
2063 reg = 0;
2064 if (fll_div.theta || fll_div.lambda)
2065 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2066 else
2067 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2068 snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2069
2070 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2071 WM8996_FLL_OUTDIV_MASK |
2072 WM8996_FLL_FRATIO_MASK,
2073 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2074 (fll_div.fll_fratio));
2075
2076 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2077
2078 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2079 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2080 (fll_div.n << WM8996_FLL_N_SHIFT) |
2081 fll_div.fll_loop_gain);
2082
2083 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2084
2085 /* Enable the bandgap if it's not already enabled */
2086 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2087 if (!(ret & WM8996_FLL_ENA))
2088 wm8996_bg_enable(codec);
2089
2090 /* Clear any pending completions (eg, from failed startups) */
2091 try_wait_for_completion(&wm8996->fll_lock);
2092
2093 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2094 WM8996_FLL_ENA, WM8996_FLL_ENA);
2095
2096 /* The FLL supports live reconfiguration - kick that in case we were
2097 * already enabled.
2098 */
2099 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2100
2101 /* Wait for the FLL to lock, using the interrupt if possible */
2102 if (Fref > 1000000)
2103 timeout = usecs_to_jiffies(300);
2104 else
2105 timeout = msecs_to_jiffies(2);
2106
2107 /* Allow substantially longer if we've actually got the IRQ, poll
2108 * at a slightly higher rate if we don't.
2109 */
2110 if (i2c->irq)
2111 timeout *= 10;
2112 else
2113 timeout /= 2;
2114
2115 for (retry = 0; retry < 10; retry++) {
2116 ret = wait_for_completion_timeout(&wm8996->fll_lock,
2117 timeout);
2118 if (ret != 0) {
2119 WARN_ON(!i2c->irq);
2120 break;
2121 }
2122
2123 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2124 if (ret & WM8996_FLL_LOCK_STS)
2125 break;
2126 }
2127 if (retry == 10) {
2128 dev_err(codec->dev, "Timed out waiting for FLL\n");
2129 ret = -ETIMEDOUT;
2130 }
2131
2132 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2133
2134 wm8996->fll_fref = Fref;
2135 wm8996->fll_fout = Fout;
2136 wm8996->fll_src = source;
2137
2138 return ret;
2139 }
2140
2141 #ifdef CONFIG_GPIOLIB
2142 static inline struct wm8996_priv *gpio_to_wm8996(struct gpio_chip *chip)
2143 {
2144 return container_of(chip, struct wm8996_priv, gpio_chip);
2145 }
2146
2147 static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2148 {
2149 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2150
2151 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2152 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2153 }
2154
2155 static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2156 unsigned offset, int value)
2157 {
2158 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2159 int val;
2160
2161 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2162
2163 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2164 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2165 WM8996_GP1_LVL, val);
2166 }
2167
2168 static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2169 {
2170 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2171 unsigned int reg;
2172 int ret;
2173
2174 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, &reg);
2175 if (ret < 0)
2176 return ret;
2177
2178 return (reg & WM8996_GP1_LVL) != 0;
2179 }
2180
2181 static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2182 {
2183 struct wm8996_priv *wm8996 = gpio_to_wm8996(chip);
2184
2185 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2186 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2187 (1 << WM8996_GP1_FN_SHIFT) |
2188 (1 << WM8996_GP1_DIR_SHIFT));
2189 }
2190
2191 static struct gpio_chip wm8996_template_chip = {
2192 .label = "wm8996",
2193 .owner = THIS_MODULE,
2194 .direction_output = wm8996_gpio_direction_out,
2195 .set = wm8996_gpio_set,
2196 .direction_input = wm8996_gpio_direction_in,
2197 .get = wm8996_gpio_get,
2198 .can_sleep = 1,
2199 };
2200
2201 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2202 {
2203 int ret;
2204
2205 wm8996->gpio_chip = wm8996_template_chip;
2206 wm8996->gpio_chip.ngpio = 5;
2207 wm8996->gpio_chip.dev = wm8996->dev;
2208
2209 if (wm8996->pdata.gpio_base)
2210 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2211 else
2212 wm8996->gpio_chip.base = -1;
2213
2214 ret = gpiochip_add(&wm8996->gpio_chip);
2215 if (ret != 0)
2216 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2217 }
2218
2219 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2220 {
2221 int ret;
2222
2223 ret = gpiochip_remove(&wm8996->gpio_chip);
2224 if (ret != 0)
2225 dev_err(wm8996->dev, "Failed to remove GPIOs: %d\n", ret);
2226 }
2227 #else
2228 static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2229 {
2230 }
2231
2232 static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2233 {
2234 }
2235 #endif
2236
2237 /**
2238 * wm8996_detect - Enable default WM8996 jack detection
2239 *
2240 * The WM8996 has advanced accessory detection support for headsets.
2241 * This function provides a default implementation which integrates
2242 * the majority of this functionality with minimal user configuration.
2243 *
2244 * This will detect headset, headphone and short circuit button and
2245 * will also detect inverted microphone ground connections and update
2246 * the polarity of the connections.
2247 */
2248 int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2249 wm8996_polarity_fn polarity_cb)
2250 {
2251 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2252
2253 wm8996->jack = jack;
2254 wm8996->detecting = true;
2255 wm8996->polarity_cb = polarity_cb;
2256 wm8996->jack_flips = 0;
2257
2258 if (wm8996->polarity_cb)
2259 wm8996->polarity_cb(codec, 0);
2260
2261 /* Clear discarge to avoid noise during detection */
2262 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2263 WM8996_MICB1_DISCH, 0);
2264 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2265 WM8996_MICB2_DISCH, 0);
2266
2267 /* LDO2 powers the microphones, SYSCLK clocks detection */
2268 snd_soc_dapm_force_enable_pin(&codec->dapm, "LDO2");
2269 snd_soc_dapm_force_enable_pin(&codec->dapm, "SYSCLK");
2270
2271 /* We start off just enabling microphone detection - even a
2272 * plain headphone will trigger detection.
2273 */
2274 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2275 WM8996_MICD_ENA, WM8996_MICD_ENA);
2276
2277 /* Slowest detection rate, gives debounce for initial detection */
2278 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2279 WM8996_MICD_RATE_MASK,
2280 WM8996_MICD_RATE_MASK);
2281
2282 /* Enable interrupts and we're off */
2283 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2284 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2285
2286 return 0;
2287 }
2288 EXPORT_SYMBOL_GPL(wm8996_detect);
2289
2290 static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2291 {
2292 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2293 int val, reg, report;
2294
2295 /* Assume headphone in error conditions; we need to report
2296 * something or we stall our state machine.
2297 */
2298 report = SND_JACK_HEADPHONE;
2299
2300 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2301 if (reg < 0) {
2302 dev_err(codec->dev, "Failed to read HPDET status\n");
2303 goto out;
2304 }
2305
2306 if (!(reg & WM8996_HP_DONE)) {
2307 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2308 goto out;
2309 }
2310
2311 val = reg & WM8996_HP_LVL_MASK;
2312
2313 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2314
2315 /* If we've got high enough impedence then report as line,
2316 * otherwise assume headphone.
2317 */
2318 if (val >= 126)
2319 report = SND_JACK_LINEOUT;
2320 else
2321 report = SND_JACK_HEADPHONE;
2322
2323 out:
2324 if (wm8996->jack_mic)
2325 report |= SND_JACK_MICROPHONE;
2326
2327 snd_soc_jack_report(wm8996->jack, report,
2328 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2329
2330 wm8996->detecting = false;
2331
2332 /* If the output isn't running re-clamp it */
2333 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2334 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2335 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2336 WM8996_HPOUT1L_RMV_SHORT |
2337 WM8996_HPOUT1R_RMV_SHORT, 0);
2338
2339 /* Go back to looking at the microphone */
2340 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2341 WM8996_JD_MODE_MASK, 0);
2342 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2343 WM8996_MICD_ENA);
2344
2345 snd_soc_dapm_disable_pin(&codec->dapm, "Bandgap");
2346 snd_soc_dapm_sync(&codec->dapm);
2347 }
2348
2349 static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2350 {
2351 /* Unclamp the output, we can't measure while we're shorting it */
2352 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2353 WM8996_HPOUT1L_RMV_SHORT |
2354 WM8996_HPOUT1R_RMV_SHORT,
2355 WM8996_HPOUT1L_RMV_SHORT |
2356 WM8996_HPOUT1R_RMV_SHORT);
2357
2358 /* We need bandgap for HPDET */
2359 snd_soc_dapm_force_enable_pin(&codec->dapm, "Bandgap");
2360 snd_soc_dapm_sync(&codec->dapm);
2361
2362 /* Go into headphone detect left mode */
2363 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2364 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2365 WM8996_JD_MODE_MASK, 1);
2366
2367 /* Trigger a measurement */
2368 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2369 WM8996_HP_POLL, WM8996_HP_POLL);
2370 }
2371
2372 static void wm8996_report_headphone(struct snd_soc_codec *codec)
2373 {
2374 dev_dbg(codec->dev, "Headphone detected\n");
2375 wm8996_hpdet_start(codec);
2376
2377 /* Increase the detection rate a bit for responsiveness. */
2378 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2379 WM8996_MICD_RATE_MASK |
2380 WM8996_MICD_BIAS_STARTTIME_MASK,
2381 7 << WM8996_MICD_RATE_SHIFT |
2382 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2383 }
2384
2385 static void wm8996_micd(struct snd_soc_codec *codec)
2386 {
2387 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2388 int val, reg;
2389
2390 val = snd_soc_read(codec, WM8996_MIC_DETECT_3);
2391
2392 dev_dbg(codec->dev, "Microphone event: %x\n", val);
2393
2394 if (!(val & WM8996_MICD_VALID)) {
2395 dev_warn(codec->dev, "Microphone detection state invalid\n");
2396 return;
2397 }
2398
2399 /* No accessory, reset everything and report removal */
2400 if (!(val & WM8996_MICD_STS)) {
2401 dev_dbg(codec->dev, "Jack removal detected\n");
2402 wm8996->jack_mic = false;
2403 wm8996->detecting = true;
2404 wm8996->jack_flips = 0;
2405 snd_soc_jack_report(wm8996->jack, 0,
2406 SND_JACK_LINEOUT | SND_JACK_HEADSET |
2407 SND_JACK_BTN_0);
2408
2409 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2410 WM8996_MICD_RATE_MASK |
2411 WM8996_MICD_BIAS_STARTTIME_MASK,
2412 WM8996_MICD_RATE_MASK |
2413 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2414 return;
2415 }
2416
2417 /* If the measurement is very high we've got a microphone,
2418 * either we just detected one or if we already reported then
2419 * we've got a button release event.
2420 */
2421 if (val & 0x400) {
2422 if (wm8996->detecting) {
2423 dev_dbg(codec->dev, "Microphone detected\n");
2424 wm8996->jack_mic = true;
2425 wm8996_hpdet_start(codec);
2426
2427 /* Increase poll rate to give better responsiveness
2428 * for buttons */
2429 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2430 WM8996_MICD_RATE_MASK |
2431 WM8996_MICD_BIAS_STARTTIME_MASK,
2432 5 << WM8996_MICD_RATE_SHIFT |
2433 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2434 } else {
2435 dev_dbg(codec->dev, "Mic button up\n");
2436 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2437 }
2438
2439 return;
2440 }
2441
2442 /* If we detected a lower impedence during initial startup
2443 * then we probably have the wrong polarity, flip it. Don't
2444 * do this for the lowest impedences to speed up detection of
2445 * plain headphones. If both polarities report a low
2446 * impedence then give up and report headphones.
2447 */
2448 if (wm8996->detecting && (val & 0x3f0)) {
2449 wm8996->jack_flips++;
2450
2451 if (wm8996->jack_flips > 1) {
2452 wm8996_report_headphone(codec);
2453 return;
2454 }
2455
2456 reg = snd_soc_read(codec, WM8996_ACCESSORY_DETECT_MODE_2);
2457 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2458 WM8996_MICD_BIAS_SRC;
2459 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_2,
2460 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2461 WM8996_MICD_BIAS_SRC, reg);
2462
2463 if (wm8996->polarity_cb)
2464 wm8996->polarity_cb(codec,
2465 (reg & WM8996_MICD_SRC) != 0);
2466
2467 dev_dbg(codec->dev, "Set microphone polarity to %d\n",
2468 (reg & WM8996_MICD_SRC) != 0);
2469
2470 return;
2471 }
2472
2473 /* Don't distinguish between buttons, just report any low
2474 * impedence as BTN_0.
2475 */
2476 if (val & 0x3fc) {
2477 if (wm8996->jack_mic) {
2478 dev_dbg(codec->dev, "Mic button detected\n");
2479 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2480 SND_JACK_BTN_0);
2481 } else if (wm8996->detecting) {
2482 wm8996_report_headphone(codec);
2483 }
2484 }
2485 }
2486
2487 static irqreturn_t wm8996_irq(int irq, void *data)
2488 {
2489 struct snd_soc_codec *codec = data;
2490 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2491 int irq_val;
2492
2493 irq_val = snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2);
2494 if (irq_val < 0) {
2495 dev_err(codec->dev, "Failed to read IRQ status: %d\n",
2496 irq_val);
2497 return IRQ_NONE;
2498 }
2499 irq_val &= ~snd_soc_read(codec, WM8996_INTERRUPT_STATUS_2_MASK);
2500
2501 if (!irq_val)
2502 return IRQ_NONE;
2503
2504 snd_soc_write(codec, WM8996_INTERRUPT_STATUS_2, irq_val);
2505
2506 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2507 dev_dbg(codec->dev, "DC servo IRQ\n");
2508 complete(&wm8996->dcs_done);
2509 }
2510
2511 if (irq_val & WM8996_FIFOS_ERR_EINT)
2512 dev_err(codec->dev, "Digital core FIFO error\n");
2513
2514 if (irq_val & WM8996_FLL_LOCK_EINT) {
2515 dev_dbg(codec->dev, "FLL locked\n");
2516 complete(&wm8996->fll_lock);
2517 }
2518
2519 if (irq_val & WM8996_MICD_EINT)
2520 wm8996_micd(codec);
2521
2522 if (irq_val & WM8996_HP_DONE_EINT)
2523 wm8996_hpdet_irq(codec);
2524
2525 return IRQ_HANDLED;
2526 }
2527
2528 static irqreturn_t wm8996_edge_irq(int irq, void *data)
2529 {
2530 irqreturn_t ret = IRQ_NONE;
2531 irqreturn_t val;
2532
2533 do {
2534 val = wm8996_irq(irq, data);
2535 if (val != IRQ_NONE)
2536 ret = val;
2537 } while (val != IRQ_NONE);
2538
2539 return ret;
2540 }
2541
2542 static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2543 {
2544 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2545 struct wm8996_pdata *pdata = &wm8996->pdata;
2546
2547 struct snd_kcontrol_new controls[] = {
2548 SOC_ENUM_EXT("DSP1 EQ Mode",
2549 wm8996->retune_mobile_enum,
2550 wm8996_get_retune_mobile_enum,
2551 wm8996_put_retune_mobile_enum),
2552 SOC_ENUM_EXT("DSP2 EQ Mode",
2553 wm8996->retune_mobile_enum,
2554 wm8996_get_retune_mobile_enum,
2555 wm8996_put_retune_mobile_enum),
2556 };
2557 int ret, i, j;
2558 const char **t;
2559
2560 /* We need an array of texts for the enum API but the number
2561 * of texts is likely to be less than the number of
2562 * configurations due to the sample rate dependency of the
2563 * configurations. */
2564 wm8996->num_retune_mobile_texts = 0;
2565 wm8996->retune_mobile_texts = NULL;
2566 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2567 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2568 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2569 wm8996->retune_mobile_texts[j]) == 0)
2570 break;
2571 }
2572
2573 if (j != wm8996->num_retune_mobile_texts)
2574 continue;
2575
2576 /* Expand the array... */
2577 t = krealloc(wm8996->retune_mobile_texts,
2578 sizeof(char *) *
2579 (wm8996->num_retune_mobile_texts + 1),
2580 GFP_KERNEL);
2581 if (t == NULL)
2582 continue;
2583
2584 /* ...store the new entry... */
2585 t[wm8996->num_retune_mobile_texts] =
2586 pdata->retune_mobile_cfgs[i].name;
2587
2588 /* ...and remember the new version. */
2589 wm8996->num_retune_mobile_texts++;
2590 wm8996->retune_mobile_texts = t;
2591 }
2592
2593 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2594 wm8996->num_retune_mobile_texts);
2595
2596 wm8996->retune_mobile_enum.max = wm8996->num_retune_mobile_texts;
2597 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2598
2599 ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2600 if (ret != 0)
2601 dev_err(codec->dev,
2602 "Failed to add ReTune Mobile controls: %d\n", ret);
2603 }
2604
2605 static const struct regmap_config wm8996_regmap = {
2606 .reg_bits = 16,
2607 .val_bits = 16,
2608
2609 .max_register = WM8996_MAX_REGISTER,
2610 .reg_defaults = wm8996_reg,
2611 .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2612 .volatile_reg = wm8996_volatile_register,
2613 .readable_reg = wm8996_readable_register,
2614 .cache_type = REGCACHE_RBTREE,
2615 };
2616
2617 static int wm8996_probe(struct snd_soc_codec *codec)
2618 {
2619 int ret;
2620 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2621 struct i2c_client *i2c = to_i2c_client(codec->dev);
2622 int irq_flags;
2623
2624 wm8996->codec = codec;
2625
2626 init_completion(&wm8996->dcs_done);
2627 init_completion(&wm8996->fll_lock);
2628
2629 codec->control_data = wm8996->regmap;
2630
2631 ret = snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
2632 if (ret != 0) {
2633 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
2634 goto err;
2635 }
2636
2637 if (wm8996->pdata.num_retune_mobile_cfgs)
2638 wm8996_retune_mobile_pdata(codec);
2639 else
2640 snd_soc_add_codec_controls(codec, wm8996_eq_controls,
2641 ARRAY_SIZE(wm8996_eq_controls));
2642
2643 if (i2c->irq) {
2644 if (wm8996->pdata.irq_flags)
2645 irq_flags = wm8996->pdata.irq_flags;
2646 else
2647 irq_flags = IRQF_TRIGGER_LOW;
2648
2649 irq_flags |= IRQF_ONESHOT;
2650
2651 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2652 ret = request_threaded_irq(i2c->irq, NULL,
2653 wm8996_edge_irq,
2654 irq_flags, "wm8996", codec);
2655 else
2656 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2657 irq_flags, "wm8996", codec);
2658
2659 if (ret == 0) {
2660 /* Unmask the interrupt */
2661 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2662 WM8996_IM_IRQ, 0);
2663
2664 /* Enable error reporting and DC servo status */
2665 snd_soc_update_bits(codec,
2666 WM8996_INTERRUPT_STATUS_2_MASK,
2667 WM8996_IM_DCS_DONE_23_EINT |
2668 WM8996_IM_DCS_DONE_01_EINT |
2669 WM8996_IM_FLL_LOCK_EINT |
2670 WM8996_IM_FIFOS_ERR_EINT,
2671 0);
2672 } else {
2673 dev_err(codec->dev, "Failed to request IRQ: %d\n",
2674 ret);
2675 }
2676 }
2677
2678 return 0;
2679
2680 err:
2681 return ret;
2682 }
2683
2684 static int wm8996_remove(struct snd_soc_codec *codec)
2685 {
2686 struct i2c_client *i2c = to_i2c_client(codec->dev);
2687
2688 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2689 WM8996_IM_IRQ, WM8996_IM_IRQ);
2690
2691 if (i2c->irq)
2692 free_irq(i2c->irq, codec);
2693
2694 return 0;
2695 }
2696
2697 static struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
2698 .probe = wm8996_probe,
2699 .remove = wm8996_remove,
2700 .set_bias_level = wm8996_set_bias_level,
2701 .idle_bias_off = true,
2702 .seq_notifier = wm8996_seq_notifier,
2703 .controls = wm8996_snd_controls,
2704 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
2705 .dapm_widgets = wm8996_dapm_widgets,
2706 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
2707 .dapm_routes = wm8996_dapm_routes,
2708 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
2709 .set_pll = wm8996_set_fll,
2710 };
2711
2712 #define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2713 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2714 SNDRV_PCM_RATE_48000)
2715 #define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2716 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2717 SNDRV_PCM_FMTBIT_S32_LE)
2718
2719 static const struct snd_soc_dai_ops wm8996_dai_ops = {
2720 .set_fmt = wm8996_set_fmt,
2721 .hw_params = wm8996_hw_params,
2722 .set_sysclk = wm8996_set_sysclk,
2723 };
2724
2725 static struct snd_soc_dai_driver wm8996_dai[] = {
2726 {
2727 .name = "wm8996-aif1",
2728 .playback = {
2729 .stream_name = "AIF1 Playback",
2730 .channels_min = 1,
2731 .channels_max = 6,
2732 .rates = WM8996_RATES,
2733 .formats = WM8996_FORMATS,
2734 .sig_bits = 24,
2735 },
2736 .capture = {
2737 .stream_name = "AIF1 Capture",
2738 .channels_min = 1,
2739 .channels_max = 6,
2740 .rates = WM8996_RATES,
2741 .formats = WM8996_FORMATS,
2742 .sig_bits = 24,
2743 },
2744 .ops = &wm8996_dai_ops,
2745 },
2746 {
2747 .name = "wm8996-aif2",
2748 .playback = {
2749 .stream_name = "AIF2 Playback",
2750 .channels_min = 1,
2751 .channels_max = 2,
2752 .rates = WM8996_RATES,
2753 .formats = WM8996_FORMATS,
2754 .sig_bits = 24,
2755 },
2756 .capture = {
2757 .stream_name = "AIF2 Capture",
2758 .channels_min = 1,
2759 .channels_max = 2,
2760 .rates = WM8996_RATES,
2761 .formats = WM8996_FORMATS,
2762 .sig_bits = 24,
2763 },
2764 .ops = &wm8996_dai_ops,
2765 },
2766 };
2767
2768 static int wm8996_i2c_probe(struct i2c_client *i2c,
2769 const struct i2c_device_id *id)
2770 {
2771 struct wm8996_priv *wm8996;
2772 int ret, i;
2773 unsigned int reg;
2774
2775 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2776 GFP_KERNEL);
2777 if (wm8996 == NULL)
2778 return -ENOMEM;
2779
2780 i2c_set_clientdata(i2c, wm8996);
2781 wm8996->dev = &i2c->dev;
2782
2783 if (dev_get_platdata(&i2c->dev))
2784 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2785 sizeof(wm8996->pdata));
2786
2787 if (wm8996->pdata.ldo_ena > 0) {
2788 ret = gpio_request_one(wm8996->pdata.ldo_ena,
2789 GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2790 if (ret < 0) {
2791 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2792 wm8996->pdata.ldo_ena, ret);
2793 goto err;
2794 }
2795 }
2796
2797 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2798 wm8996->supplies[i].supply = wm8996_supply_names[i];
2799
2800 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2801 wm8996->supplies);
2802 if (ret != 0) {
2803 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2804 goto err_gpio;
2805 }
2806
2807 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2808 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2809 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2810
2811 /* This should really be moved into the regulator core */
2812 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2813 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2814 &wm8996->disable_nb[i]);
2815 if (ret != 0) {
2816 dev_err(&i2c->dev,
2817 "Failed to register regulator notifier: %d\n",
2818 ret);
2819 }
2820 }
2821
2822 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2823 wm8996->supplies);
2824 if (ret != 0) {
2825 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2826 goto err_gpio;
2827 }
2828
2829 if (wm8996->pdata.ldo_ena > 0) {
2830 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2831 msleep(5);
2832 }
2833
2834 wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2835 if (IS_ERR(wm8996->regmap)) {
2836 ret = PTR_ERR(wm8996->regmap);
2837 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2838 goto err_enable;
2839 }
2840
2841 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, &reg);
2842 if (ret < 0) {
2843 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2844 goto err_regmap;
2845 }
2846 if (reg != 0x8915) {
2847 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2848 ret = -EINVAL;
2849 goto err_regmap;
2850 }
2851
2852 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, &reg);
2853 if (ret < 0) {
2854 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2855 ret);
2856 goto err_regmap;
2857 }
2858
2859 dev_info(&i2c->dev, "revision %c\n",
2860 (reg & WM8996_CHIP_REV_MASK) + 'A');
2861
2862 if (wm8996->pdata.ldo_ena > 0) {
2863 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2864 regcache_cache_only(wm8996->regmap, true);
2865 } else {
2866 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2867 0x8915);
2868 if (ret != 0) {
2869 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2870 goto err_regmap;
2871 }
2872 }
2873
2874 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2875
2876 /* Apply platform data settings */
2877 regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2878 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2879 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2880 wm8996->pdata.inr_mode);
2881
2882 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2883 if (!wm8996->pdata.gpio_default[i])
2884 continue;
2885
2886 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2887 wm8996->pdata.gpio_default[i] & 0xffff);
2888 }
2889
2890 if (wm8996->pdata.spkmute_seq)
2891 regmap_update_bits(wm8996->regmap,
2892 WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2893 WM8996_SPK_MUTE_ENDIAN |
2894 WM8996_SPK_MUTE_SEQ1_MASK,
2895 wm8996->pdata.spkmute_seq);
2896
2897 regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2898 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2899 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2900
2901 /* Latch volume update bits */
2902 regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2903 WM8996_IN1_VU, WM8996_IN1_VU);
2904 regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2905 WM8996_IN1_VU, WM8996_IN1_VU);
2906
2907 regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2908 WM8996_DAC1_VU, WM8996_DAC1_VU);
2909 regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2910 WM8996_DAC1_VU, WM8996_DAC1_VU);
2911 regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2912 WM8996_DAC2_VU, WM8996_DAC2_VU);
2913 regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2914 WM8996_DAC2_VU, WM8996_DAC2_VU);
2915
2916 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2917 WM8996_DAC1_VU, WM8996_DAC1_VU);
2918 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2919 WM8996_DAC1_VU, WM8996_DAC1_VU);
2920 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2921 WM8996_DAC2_VU, WM8996_DAC2_VU);
2922 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2923 WM8996_DAC2_VU, WM8996_DAC2_VU);
2924
2925 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2926 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2927 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2928 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2929 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2930 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2931 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2932 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2933
2934 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2935 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2936 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2937 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2938 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2939 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2940 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2941 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2942
2943 /* No support currently for the underclocked TDM modes and
2944 * pick a default TDM layout with each channel pair working with
2945 * slots 0 and 1. */
2946 regmap_update_bits(wm8996->regmap,
2947 WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2948 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2949 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2950 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2951 regmap_update_bits(wm8996->regmap,
2952 WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2953 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2954 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2955 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2956 regmap_update_bits(wm8996->regmap,
2957 WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2958 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2959 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2960 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2961 regmap_update_bits(wm8996->regmap,
2962 WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2963 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2964 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2965 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2966 regmap_update_bits(wm8996->regmap,
2967 WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2968 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2969 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2970 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2971 regmap_update_bits(wm8996->regmap,
2972 WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2973 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2974 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2975 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2976
2977 regmap_update_bits(wm8996->regmap,
2978 WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2979 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2980 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2981 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2982 regmap_update_bits(wm8996->regmap,
2983 WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2984 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2985 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2986 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2987
2988 regmap_update_bits(wm8996->regmap,
2989 WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2990 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2991 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2992 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2993 regmap_update_bits(wm8996->regmap,
2994 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2995 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2996 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2997 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2998 regmap_update_bits(wm8996->regmap,
2999 WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
3000 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
3001 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3002 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
3003 regmap_update_bits(wm8996->regmap,
3004 WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
3005 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
3006 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3007 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
3008 regmap_update_bits(wm8996->regmap,
3009 WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3010 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3011 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3012 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3013 regmap_update_bits(wm8996->regmap,
3014 WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3015 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3016 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3017 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3018
3019 regmap_update_bits(wm8996->regmap,
3020 WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3021 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3022 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3023 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3024 regmap_update_bits(wm8996->regmap,
3025 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3026 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3027 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3028 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3029
3030 /* If the TX LRCLK pins are not in LRCLK mode configure the
3031 * AIFs to source their clocks from the RX LRCLKs.
3032 */
3033 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, &reg);
3034 if (ret != 0) {
3035 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3036 goto err_regmap;
3037 }
3038
3039 if (reg & WM8996_GP1_FN_MASK)
3040 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3041 WM8996_AIF1TX_LRCLK_MODE,
3042 WM8996_AIF1TX_LRCLK_MODE);
3043
3044 ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, &reg);
3045 if (ret != 0) {
3046 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3047 goto err_regmap;
3048 }
3049
3050 if (reg & WM8996_GP2_FN_MASK)
3051 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3052 WM8996_AIF2TX_LRCLK_MODE,
3053 WM8996_AIF2TX_LRCLK_MODE);
3054
3055 wm8996_init_gpio(wm8996);
3056
3057 ret = snd_soc_register_codec(&i2c->dev,
3058 &soc_codec_dev_wm8996, wm8996_dai,
3059 ARRAY_SIZE(wm8996_dai));
3060 if (ret < 0)
3061 goto err_gpiolib;
3062
3063 return ret;
3064
3065 err_gpiolib:
3066 wm8996_free_gpio(wm8996);
3067 err_regmap:
3068 err_enable:
3069 if (wm8996->pdata.ldo_ena > 0)
3070 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3071 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3072 err_gpio:
3073 if (wm8996->pdata.ldo_ena > 0)
3074 gpio_free(wm8996->pdata.ldo_ena);
3075 err:
3076
3077 return ret;
3078 }
3079
3080 static int wm8996_i2c_remove(struct i2c_client *client)
3081 {
3082 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3083 int i;
3084
3085 snd_soc_unregister_codec(&client->dev);
3086 wm8996_free_gpio(wm8996);
3087 if (wm8996->pdata.ldo_ena > 0) {
3088 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3089 gpio_free(wm8996->pdata.ldo_ena);
3090 }
3091 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3092 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3093 &wm8996->disable_nb[i]);
3094
3095 return 0;
3096 }
3097
3098 static const struct i2c_device_id wm8996_i2c_id[] = {
3099 { "wm8996", 0 },
3100 { }
3101 };
3102 MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3103
3104 static struct i2c_driver wm8996_i2c_driver = {
3105 .driver = {
3106 .name = "wm8996",
3107 .owner = THIS_MODULE,
3108 },
3109 .probe = wm8996_i2c_probe,
3110 .remove = wm8996_i2c_remove,
3111 .id_table = wm8996_i2c_id,
3112 };
3113
3114 module_i2c_driver(wm8996_i2c_driver);
3115
3116 MODULE_DESCRIPTION("ASoC WM8996 driver");
3117 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3118 MODULE_LICENSE("GPL");
CRIS linux kernel tree