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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * wm8996.c - WM8996 audio codec interface
4 *
5 * Copyright 2011-2 Wolfson Microelectronics PLC.
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7 */
8
9#include <linux/module.h>
10#include <linux/moduleparam.h>
11#include <linux/init.h>
12#include <linux/completion.h>
13#include <linux/delay.h>
14#include <linux/pm.h>
15#include <linux/gcd.h>
16#include <linux/gpio/driver.h>
17#include <linux/gpio/consumer.h>
18#include <linux/i2c.h>
19#include <linux/regmap.h>
20#include <linux/regulator/consumer.h>
21#include <linux/slab.h>
22#include <linux/workqueue.h>
23#include <sound/core.h>
24#include <sound/jack.h>
25#include <sound/pcm.h>
26#include <sound/pcm_params.h>
27#include <sound/soc.h>
28#include <sound/initval.h>
29#include <sound/tlv.h>
30#include <trace/events/asoc.h>
31
32#include <sound/wm8996.h>
33#include "wm8996.h"
34
35#define WM8996_AIFS 2
36
37#define HPOUT1L 1
38#define HPOUT1R 2
39#define HPOUT2L 4
40#define HPOUT2R 8
41
42#define WM8996_NUM_SUPPLIES 3
43static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
44 "DBVDD",
45 "AVDD1",
46 "AVDD2",
47};
48
49struct wm8996_priv {
50 struct device *dev;
51 struct regmap *regmap;
52 struct snd_soc_component *component;
53
54 struct gpio_desc *ldo_ena;
55
56 int sysclk;
57 int sysclk_src;
58
59 int fll_src;
60 int fll_fref;
61 int fll_fout;
62
63 struct completion fll_lock;
64
65 u16 dcs_pending;
66 struct completion dcs_done;
67
68 u16 hpout_ena;
69 u16 hpout_pending;
70
71 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
72 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
73 int bg_ena;
74
75 struct wm8996_pdata pdata;
76
77 int rx_rate[WM8996_AIFS];
78 int bclk_rate[WM8996_AIFS];
79
80 /* Platform dependant ReTune mobile configuration */
81 int num_retune_mobile_texts;
82 const char **retune_mobile_texts;
83 int retune_mobile_cfg[2];
84 struct soc_enum retune_mobile_enum;
85
86 struct snd_soc_jack *jack;
87 bool detecting;
88 bool jack_mic;
89 int jack_flips;
90 wm8996_polarity_fn polarity_cb;
91
92#ifdef CONFIG_GPIOLIB
93 struct gpio_chip gpio_chip;
94#endif
95};
96
97/* We can't use the same notifier block for more than one supply and
98 * there's no way I can see to get from a callback to the caller
99 * except container_of().
100 */
101#define WM8996_REGULATOR_EVENT(n) \
102static int wm8996_regulator_event_##n(struct notifier_block *nb, \
103 unsigned long event, void *data) \
104{ \
105 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
106 disable_nb[n]); \
107 if (event & REGULATOR_EVENT_DISABLE) { \
108 regcache_mark_dirty(wm8996->regmap); \
109 } \
110 return 0; \
111}
112
113WM8996_REGULATOR_EVENT(0)
114WM8996_REGULATOR_EVENT(1)
115WM8996_REGULATOR_EVENT(2)
116
117static const struct reg_default wm8996_reg[] = {
118 { WM8996_POWER_MANAGEMENT_1, 0x0 },
119 { WM8996_POWER_MANAGEMENT_2, 0x0 },
120 { WM8996_POWER_MANAGEMENT_3, 0x0 },
121 { WM8996_POWER_MANAGEMENT_4, 0x0 },
122 { WM8996_POWER_MANAGEMENT_5, 0x0 },
123 { WM8996_POWER_MANAGEMENT_6, 0x0 },
124 { WM8996_POWER_MANAGEMENT_7, 0x10 },
125 { WM8996_POWER_MANAGEMENT_8, 0x0 },
126 { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
127 { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
128 { WM8996_LINE_INPUT_CONTROL, 0x0 },
129 { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
130 { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
131 { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
132 { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
133 { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
134 { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
135 { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
136 { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
137 { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
138 { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
139 { WM8996_MICBIAS_1, 0x39 },
140 { WM8996_MICBIAS_2, 0x39 },
141 { WM8996_LDO_1, 0x3 },
142 { WM8996_LDO_2, 0x13 },
143 { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
144 { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
145 { WM8996_HEADPHONE_DETECT_1, 0x20 },
146 { WM8996_HEADPHONE_DETECT_2, 0x0 },
147 { WM8996_MIC_DETECT_1, 0x7600 },
148 { WM8996_MIC_DETECT_2, 0xbf },
149 { WM8996_CHARGE_PUMP_1, 0x1f25 },
150 { WM8996_CHARGE_PUMP_2, 0xab19 },
151 { WM8996_DC_SERVO_1, 0x0 },
152 { WM8996_DC_SERVO_3, 0x0 },
153 { WM8996_DC_SERVO_5, 0x2a2a },
154 { WM8996_DC_SERVO_6, 0x0 },
155 { WM8996_DC_SERVO_7, 0x0 },
156 { WM8996_ANALOGUE_HP_1, 0x0 },
157 { WM8996_ANALOGUE_HP_2, 0x0 },
158 { WM8996_CONTROL_INTERFACE_1, 0x8004 },
159 { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
160 { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
161 { WM8996_AIF_CLOCKING_1, 0x0 },
162 { WM8996_AIF_CLOCKING_2, 0x0 },
163 { WM8996_CLOCKING_1, 0x10 },
164 { WM8996_CLOCKING_2, 0x0 },
165 { WM8996_AIF_RATE, 0x83 },
166 { WM8996_FLL_CONTROL_1, 0x0 },
167 { WM8996_FLL_CONTROL_2, 0x0 },
168 { WM8996_FLL_CONTROL_3, 0x0 },
169 { WM8996_FLL_CONTROL_4, 0x5dc0 },
170 { WM8996_FLL_CONTROL_5, 0xc84 },
171 { WM8996_FLL_EFS_1, 0x0 },
172 { WM8996_FLL_EFS_2, 0x2 },
173 { WM8996_AIF1_CONTROL, 0x0 },
174 { WM8996_AIF1_BCLK, 0x0 },
175 { WM8996_AIF1_TX_LRCLK_1, 0x80 },
176 { WM8996_AIF1_TX_LRCLK_2, 0x8 },
177 { WM8996_AIF1_RX_LRCLK_1, 0x80 },
178 { WM8996_AIF1_RX_LRCLK_2, 0x0 },
179 { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
180 { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
181 { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
182 { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
183 { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
184 { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
185 { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
186 { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
187 { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
188 { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
189 { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
190 { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
191 { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
192 { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
193 { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
194 { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
195 { WM8996_AIF1TX_TEST, 0x7 },
196 { WM8996_AIF2_CONTROL, 0x0 },
197 { WM8996_AIF2_BCLK, 0x0 },
198 { WM8996_AIF2_TX_LRCLK_1, 0x80 },
199 { WM8996_AIF2_TX_LRCLK_2, 0x8 },
200 { WM8996_AIF2_RX_LRCLK_1, 0x80 },
201 { WM8996_AIF2_RX_LRCLK_2, 0x0 },
202 { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
203 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
204 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
205 { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
206 { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
207 { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
208 { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
209 { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
210 { WM8996_AIF2TX_TEST, 0x1 },
211 { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
212 { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
213 { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
214 { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
215 { WM8996_DSP1_TX_FILTERS, 0x2000 },
216 { WM8996_DSP1_RX_FILTERS_1, 0x200 },
217 { WM8996_DSP1_RX_FILTERS_2, 0x10 },
218 { WM8996_DSP1_DRC_1, 0x98 },
219 { WM8996_DSP1_DRC_2, 0x845 },
220 { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
221 { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
222 { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
223 { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
224 { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
225 { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
226 { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
227 { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
228 { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
229 { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
230 { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
231 { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
232 { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
233 { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
234 { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
235 { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
236 { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
237 { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
238 { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
239 { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
240 { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
241 { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
242 { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
243 { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
244 { WM8996_DSP2_TX_FILTERS, 0x2000 },
245 { WM8996_DSP2_RX_FILTERS_1, 0x200 },
246 { WM8996_DSP2_RX_FILTERS_2, 0x10 },
247 { WM8996_DSP2_DRC_1, 0x98 },
248 { WM8996_DSP2_DRC_2, 0x845 },
249 { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
250 { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
251 { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
252 { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
253 { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
254 { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
255 { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
256 { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
257 { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
258 { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
259 { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
260 { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
261 { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
262 { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
263 { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
264 { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
265 { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
266 { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
267 { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
268 { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
269 { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
270 { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
271 { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
272 { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
273 { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
274 { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
275 { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
276 { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
277 { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
278 { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
279 { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
280 { WM8996_DAC_SOFTMUTE, 0x0 },
281 { WM8996_OVERSAMPLING, 0xd },
282 { WM8996_SIDETONE, 0x1040 },
283 { WM8996_GPIO_1, 0xa101 },
284 { WM8996_GPIO_2, 0xa101 },
285 { WM8996_GPIO_3, 0xa101 },
286 { WM8996_GPIO_4, 0xa101 },
287 { WM8996_GPIO_5, 0xa101 },
288 { WM8996_PULL_CONTROL_1, 0x0 },
289 { WM8996_PULL_CONTROL_2, 0x140 },
290 { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
291 { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
292 { WM8996_LEFT_PDM_SPEAKER, 0x0 },
293 { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
294 { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
295 { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
296};
297
298static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
299static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
300static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
301static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
302static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
303static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
304static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
305static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
306
307static const char *sidetone_hpf_text[] = {
308 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
309};
310
311static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
312 WM8996_SIDETONE, 7, sidetone_hpf_text);
313
314static const char *hpf_mode_text[] = {
315 "HiFi", "Custom", "Voice"
316};
317
318static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
319 WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
320
321static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
322 WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
323
324static const char *hpf_cutoff_text[] = {
325 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
326};
327
328static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
329 WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
330
331static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
332 WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
333
334static void wm8996_set_retune_mobile(struct snd_soc_component *component, int block)
335{
336 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
337 struct wm8996_pdata *pdata = &wm8996->pdata;
338 int base, best, best_val, save, i, cfg, iface;
339
340 if (!wm8996->num_retune_mobile_texts)
341 return;
342
343 switch (block) {
344 case 0:
345 base = WM8996_DSP1_RX_EQ_GAINS_1;
346 if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) &
347 WM8996_DSP1RX_SRC)
348 iface = 1;
349 else
350 iface = 0;
351 break;
352 case 1:
353 base = WM8996_DSP1_RX_EQ_GAINS_2;
354 if (snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_8) &
355 WM8996_DSP2RX_SRC)
356 iface = 1;
357 else
358 iface = 0;
359 break;
360 default:
361 return;
362 }
363
364 /* Find the version of the currently selected configuration
365 * with the nearest sample rate. */
366 cfg = wm8996->retune_mobile_cfg[block];
367 best = 0;
368 best_val = INT_MAX;
369 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
370 if (strcmp(pdata->retune_mobile_cfgs[i].name,
371 wm8996->retune_mobile_texts[cfg]) == 0 &&
372 abs(pdata->retune_mobile_cfgs[i].rate
373 - wm8996->rx_rate[iface]) < best_val) {
374 best = i;
375 best_val = abs(pdata->retune_mobile_cfgs[i].rate
376 - wm8996->rx_rate[iface]);
377 }
378 }
379
380 dev_dbg(component->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
381 block,
382 pdata->retune_mobile_cfgs[best].name,
383 pdata->retune_mobile_cfgs[best].rate,
384 wm8996->rx_rate[iface]);
385
386 /* The EQ will be disabled while reconfiguring it, remember the
387 * current configuration.
388 */
389 save = snd_soc_component_read(component, base);
390 save &= WM8996_DSP1RX_EQ_ENA;
391
392 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
393 snd_soc_component_update_bits(component, base + i, 0xffff,
394 pdata->retune_mobile_cfgs[best].regs[i]);
395
396 snd_soc_component_update_bits(component, base, WM8996_DSP1RX_EQ_ENA, save);
397}
398
399/* Icky as hell but saves code duplication */
400static int wm8996_get_retune_mobile_block(const char *name)
401{
402 if (strcmp(name, "DSP1 EQ Mode") == 0)
403 return 0;
404 if (strcmp(name, "DSP2 EQ Mode") == 0)
405 return 1;
406 return -EINVAL;
407}
408
409static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
410 struct snd_ctl_elem_value *ucontrol)
411{
412 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
413 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
414 struct wm8996_pdata *pdata = &wm8996->pdata;
415 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
416 int value = ucontrol->value.enumerated.item[0];
417
418 if (block < 0)
419 return block;
420
421 if (value >= pdata->num_retune_mobile_cfgs)
422 return -EINVAL;
423
424 wm8996->retune_mobile_cfg[block] = value;
425
426 wm8996_set_retune_mobile(component, block);
427
428 return 0;
429}
430
431static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
432 struct snd_ctl_elem_value *ucontrol)
433{
434 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
435 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
436 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
437
438 if (block < 0)
439 return block;
440 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
441
442 return 0;
443}
444
445static const struct snd_kcontrol_new wm8996_snd_controls[] = {
446SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
447 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
448SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
449 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
450
451SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
452 0, 5, 24, 0, sidetone_tlv),
453SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
454 0, 5, 24, 0, sidetone_tlv),
455SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
456SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
457SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
458
459SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
460 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
461SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
462 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
463
464SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
465 13, 1, 0),
466SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
467SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
468SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
469
470SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
471 13, 1, 0),
472SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
473SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
474SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
475
476SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
477 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
478SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
479
480SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
481 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
482SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
483
484SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
485 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
486SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
487 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
488
489SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
490 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
491SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
492 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
493
494SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
495SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
496SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
497SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
498
499SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
500SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
501
502SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
503SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
504
505SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
506 0, threedstereo_tlv),
507SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
508 0, threedstereo_tlv),
509
510SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
511 8, 0, out_digital_tlv),
512SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
513 8, 0, out_digital_tlv),
514
515SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
516 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
517SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
518 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
519
520SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
521 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
522SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
523 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
524
525SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
526 spk_tlv),
527SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
528 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
529SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
530 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
531
532SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
533SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
534
535SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
536SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
537SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
538SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
539 WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
540 WM8996_DSP1TXR_DRC_ENA),
541
542SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
543SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
544SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
545SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
546 WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
547 WM8996_DSP2TXR_DRC_ENA),
548};
549
550static const struct snd_kcontrol_new wm8996_eq_controls[] = {
551SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
552 eq_tlv),
553SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
554 eq_tlv),
555SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
556 eq_tlv),
557SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
558 eq_tlv),
559SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
560 eq_tlv),
561
562SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
563 eq_tlv),
564SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
565 eq_tlv),
566SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
567 eq_tlv),
568SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
569 eq_tlv),
570SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
571 eq_tlv),
572};
573
574static void wm8996_bg_enable(struct snd_soc_component *component)
575{
576 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
577
578 wm8996->bg_ena++;
579 if (wm8996->bg_ena == 1) {
580 snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1,
581 WM8996_BG_ENA, WM8996_BG_ENA);
582 msleep(2);
583 }
584}
585
586static void wm8996_bg_disable(struct snd_soc_component *component)
587{
588 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
589
590 wm8996->bg_ena--;
591 if (!wm8996->bg_ena)
592 snd_soc_component_update_bits(component, WM8996_POWER_MANAGEMENT_1,
593 WM8996_BG_ENA, 0);
594}
595
596static int bg_event(struct snd_soc_dapm_widget *w,
597 struct snd_kcontrol *kcontrol, int event)
598{
599 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
600 int ret = 0;
601
602 switch (event) {
603 case SND_SOC_DAPM_PRE_PMU:
604 wm8996_bg_enable(component);
605 break;
606 case SND_SOC_DAPM_POST_PMD:
607 wm8996_bg_disable(component);
608 break;
609 default:
610 WARN(1, "Invalid event %d\n", event);
611 ret = -EINVAL;
612 }
613
614 return ret;
615}
616
617static int cp_event(struct snd_soc_dapm_widget *w,
618 struct snd_kcontrol *kcontrol, int event)
619{
620 switch (event) {
621 case SND_SOC_DAPM_POST_PMU:
622 msleep(5);
623 break;
624 default:
625 WARN(1, "Invalid event %d\n", event);
626 }
627
628 return 0;
629}
630
631static int rmv_short_event(struct snd_soc_dapm_widget *w,
632 struct snd_kcontrol *kcontrol, int event)
633{
634 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
635 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
636
637 /* Record which outputs we enabled */
638 switch (event) {
639 case SND_SOC_DAPM_PRE_PMD:
640 wm8996->hpout_pending &= ~w->shift;
641 break;
642 case SND_SOC_DAPM_PRE_PMU:
643 wm8996->hpout_pending |= w->shift;
644 break;
645 default:
646 WARN(1, "Invalid event %d\n", event);
647 return -EINVAL;
648 }
649
650 return 0;
651}
652
653static void wait_for_dc_servo(struct snd_soc_component *component, u16 mask)
654{
655 struct i2c_client *i2c = to_i2c_client(component->dev);
656 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
657 int ret;
658 unsigned long time_left = 200;
659
660 snd_soc_component_write(component, WM8996_DC_SERVO_2, mask);
661
662 /* Use the interrupt if possible */
663 do {
664 if (i2c->irq) {
665 time_left = wait_for_completion_timeout(&wm8996->dcs_done,
666 msecs_to_jiffies(200));
667 if (time_left == 0)
668 dev_err(component->dev, "DC servo timed out\n");
669
670 } else {
671 msleep(1);
672 time_left--;
673 }
674
675 ret = snd_soc_component_read(component, WM8996_DC_SERVO_2);
676 dev_dbg(component->dev, "DC servo state: %x\n", ret);
677 } while (time_left && ret & mask);
678
679 if (time_left == 0)
680 dev_err(component->dev, "DC servo timed out for %x\n", mask);
681 else
682 dev_dbg(component->dev, "DC servo complete for %x\n", mask);
683}
684
685static void wm8996_seq_notifier(struct snd_soc_component *component,
686 enum snd_soc_dapm_type event, int subseq)
687{
688 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
689 u16 val, mask;
690
691 /* Complete any pending DC servo starts */
692 if (wm8996->dcs_pending) {
693 dev_dbg(component->dev, "Starting DC servo for %x\n",
694 wm8996->dcs_pending);
695
696 /* Trigger a startup sequence */
697 wait_for_dc_servo(component, wm8996->dcs_pending
698 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
699
700 wm8996->dcs_pending = 0;
701 }
702
703 if (wm8996->hpout_pending != wm8996->hpout_ena) {
704 dev_dbg(component->dev, "Applying RMV_SHORTs %x->%x\n",
705 wm8996->hpout_ena, wm8996->hpout_pending);
706
707 val = 0;
708 mask = 0;
709 if (wm8996->hpout_pending & HPOUT1L) {
710 val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
711 mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
712 } else {
713 mask |= WM8996_HPOUT1L_RMV_SHORT |
714 WM8996_HPOUT1L_OUTP |
715 WM8996_HPOUT1L_DLY;
716 }
717
718 if (wm8996->hpout_pending & HPOUT1R) {
719 val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
720 mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
721 } else {
722 mask |= WM8996_HPOUT1R_RMV_SHORT |
723 WM8996_HPOUT1R_OUTP |
724 WM8996_HPOUT1R_DLY;
725 }
726
727 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1, mask, val);
728
729 val = 0;
730 mask = 0;
731 if (wm8996->hpout_pending & HPOUT2L) {
732 val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
733 mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
734 } else {
735 mask |= WM8996_HPOUT2L_RMV_SHORT |
736 WM8996_HPOUT2L_OUTP |
737 WM8996_HPOUT2L_DLY;
738 }
739
740 if (wm8996->hpout_pending & HPOUT2R) {
741 val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
742 mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
743 } else {
744 mask |= WM8996_HPOUT2R_RMV_SHORT |
745 WM8996_HPOUT2R_OUTP |
746 WM8996_HPOUT2R_DLY;
747 }
748
749 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_2, mask, val);
750
751 wm8996->hpout_ena = wm8996->hpout_pending;
752 }
753}
754
755static int dcs_start(struct snd_soc_dapm_widget *w,
756 struct snd_kcontrol *kcontrol, int event)
757{
758 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
759 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
760
761 switch (event) {
762 case SND_SOC_DAPM_POST_PMU:
763 wm8996->dcs_pending |= 1 << w->shift;
764 break;
765 default:
766 WARN(1, "Invalid event %d\n", event);
767 return -EINVAL;
768 }
769
770 return 0;
771}
772
773static const char *sidetone_text[] = {
774 "IN1", "IN2",
775};
776
777static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
778 WM8996_SIDETONE, 0, sidetone_text);
779
780static const struct snd_kcontrol_new left_sidetone =
781 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
782
783static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
784 WM8996_SIDETONE, 1, sidetone_text);
785
786static const struct snd_kcontrol_new right_sidetone =
787 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
788
789static const char *spk_text[] = {
790 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
791};
792
793static SOC_ENUM_SINGLE_DECL(spkl_enum,
794 WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
795
796static const struct snd_kcontrol_new spkl_mux =
797 SOC_DAPM_ENUM("SPKL", spkl_enum);
798
799static SOC_ENUM_SINGLE_DECL(spkr_enum,
800 WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
801
802static const struct snd_kcontrol_new spkr_mux =
803 SOC_DAPM_ENUM("SPKR", spkr_enum);
804
805static const char *dsp1rx_text[] = {
806 "AIF1", "AIF2"
807};
808
809static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
810 WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
811
812static const struct snd_kcontrol_new dsp1rx =
813 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
814
815static const char *dsp2rx_text[] = {
816 "AIF2", "AIF1"
817};
818
819static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
820 WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
821
822static const struct snd_kcontrol_new dsp2rx =
823 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
824
825static const char *aif2tx_text[] = {
826 "DSP2", "DSP1", "AIF1"
827};
828
829static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
830 WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
831
832static const struct snd_kcontrol_new aif2tx =
833 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
834
835static const char *inmux_text[] = {
836 "ADC", "DMIC1", "DMIC2"
837};
838
839static SOC_ENUM_SINGLE_DECL(in1_enum,
840 WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
841
842static const struct snd_kcontrol_new in1_mux =
843 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
844
845static SOC_ENUM_SINGLE_DECL(in2_enum,
846 WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
847
848static const struct snd_kcontrol_new in2_mux =
849 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
850
851static const struct snd_kcontrol_new dac2r_mix[] = {
852SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
853 5, 1, 0),
854SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
855 4, 1, 0),
856SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
857SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
858};
859
860static const struct snd_kcontrol_new dac2l_mix[] = {
861SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
862 5, 1, 0),
863SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
864 4, 1, 0),
865SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
866SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
867};
868
869static const struct snd_kcontrol_new dac1r_mix[] = {
870SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
871 5, 1, 0),
872SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
873 4, 1, 0),
874SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
875SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
876};
877
878static const struct snd_kcontrol_new dac1l_mix[] = {
879SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
880 5, 1, 0),
881SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
882 4, 1, 0),
883SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
884SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
885};
886
887static const struct snd_kcontrol_new dsp1txl[] = {
888SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
889 1, 1, 0),
890SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
891 0, 1, 0),
892};
893
894static const struct snd_kcontrol_new dsp1txr[] = {
895SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
896 1, 1, 0),
897SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
898 0, 1, 0),
899};
900
901static const struct snd_kcontrol_new dsp2txl[] = {
902SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
903 1, 1, 0),
904SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
905 0, 1, 0),
906};
907
908static const struct snd_kcontrol_new dsp2txr[] = {
909SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
910 1, 1, 0),
911SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
912 0, 1, 0),
913};
914
915
916static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
917SND_SOC_DAPM_INPUT("IN1LN"),
918SND_SOC_DAPM_INPUT("IN1LP"),
919SND_SOC_DAPM_INPUT("IN1RN"),
920SND_SOC_DAPM_INPUT("IN1RP"),
921
922SND_SOC_DAPM_INPUT("IN2LN"),
923SND_SOC_DAPM_INPUT("IN2LP"),
924SND_SOC_DAPM_INPUT("IN2RN"),
925SND_SOC_DAPM_INPUT("IN2RP"),
926
927SND_SOC_DAPM_INPUT("DMIC1DAT"),
928SND_SOC_DAPM_INPUT("DMIC2DAT"),
929
930SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
931SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
932SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
933SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
934SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
935 SND_SOC_DAPM_POST_PMU),
936SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
937 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
938SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
939SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
940SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
941SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
942SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
943
944SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
945SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
946
947SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
948SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
949SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
950SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
951
952SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
953SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
954
955SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
956SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
957SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
958SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
959
960SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
961SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
962
963SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
964SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
965
966SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
967SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
968SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
969SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
970
971SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
972 dsp2txl, ARRAY_SIZE(dsp2txl)),
973SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
974 dsp2txr, ARRAY_SIZE(dsp2txr)),
975SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
976 dsp1txl, ARRAY_SIZE(dsp1txl)),
977SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
978 dsp1txr, ARRAY_SIZE(dsp1txr)),
979
980SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
981 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
982SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
983 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
984SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
985 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
986SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
987 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
988
989SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
990SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
991SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
992SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
993
994SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
995SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
996
997SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
998SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
999
1000SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1001SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1002SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1003SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1004SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1005SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1006
1007SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1008SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1009SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1010SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1011SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1012SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1013
1014/* We route as stereo pairs so define some dummy widgets to squash
1015 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1016SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1017SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1018SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1019SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1020SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1021
1022SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1023SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1024SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1025
1026SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1027SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1028SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1029SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1030
1031SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1032SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1033SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1034 SND_SOC_DAPM_POST_PMU),
1035SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1036 rmv_short_event,
1037 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1038
1039SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1040SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1041SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1042 SND_SOC_DAPM_POST_PMU),
1043SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1044 rmv_short_event,
1045 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1046
1047SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1048SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1049SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1050 SND_SOC_DAPM_POST_PMU),
1051SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1052 rmv_short_event,
1053 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1054
1055SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1056SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1057SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1058 SND_SOC_DAPM_POST_PMU),
1059SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1060 rmv_short_event,
1061 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1062
1063SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1064SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1065SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1066SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1067SND_SOC_DAPM_OUTPUT("SPKDAT"),
1068};
1069
1070static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1071 { "AIFCLK", NULL, "SYSCLK" },
1072 { "SYSDSPCLK", NULL, "SYSCLK" },
1073 { "Charge Pump", NULL, "SYSCLK" },
1074 { "Charge Pump", NULL, "CPVDD" },
1075
1076 { "MICB1", NULL, "LDO2" },
1077 { "MICB1", NULL, "MICB1 Audio" },
1078 { "MICB1", NULL, "Bandgap" },
1079 { "MICB2", NULL, "LDO2" },
1080 { "MICB2", NULL, "MICB2 Audio" },
1081 { "MICB2", NULL, "Bandgap" },
1082
1083 { "AIF1RX0", NULL, "AIF1 Playback" },
1084 { "AIF1RX1", NULL, "AIF1 Playback" },
1085 { "AIF1RX2", NULL, "AIF1 Playback" },
1086 { "AIF1RX3", NULL, "AIF1 Playback" },
1087 { "AIF1RX4", NULL, "AIF1 Playback" },
1088 { "AIF1RX5", NULL, "AIF1 Playback" },
1089
1090 { "AIF2RX0", NULL, "AIF2 Playback" },
1091 { "AIF2RX1", NULL, "AIF2 Playback" },
1092
1093 { "AIF1 Capture", NULL, "AIF1TX0" },
1094 { "AIF1 Capture", NULL, "AIF1TX1" },
1095 { "AIF1 Capture", NULL, "AIF1TX2" },
1096 { "AIF1 Capture", NULL, "AIF1TX3" },
1097 { "AIF1 Capture", NULL, "AIF1TX4" },
1098 { "AIF1 Capture", NULL, "AIF1TX5" },
1099
1100 { "AIF2 Capture", NULL, "AIF2TX0" },
1101 { "AIF2 Capture", NULL, "AIF2TX1" },
1102
1103 { "IN1L PGA", NULL, "IN2LN" },
1104 { "IN1L PGA", NULL, "IN2LP" },
1105 { "IN1L PGA", NULL, "IN1LN" },
1106 { "IN1L PGA", NULL, "IN1LP" },
1107 { "IN1L PGA", NULL, "Bandgap" },
1108
1109 { "IN1R PGA", NULL, "IN2RN" },
1110 { "IN1R PGA", NULL, "IN2RP" },
1111 { "IN1R PGA", NULL, "IN1RN" },
1112 { "IN1R PGA", NULL, "IN1RP" },
1113 { "IN1R PGA", NULL, "Bandgap" },
1114
1115 { "ADCL", NULL, "IN1L PGA" },
1116
1117 { "ADCR", NULL, "IN1R PGA" },
1118
1119 { "DMIC1L", NULL, "DMIC1DAT" },
1120 { "DMIC1R", NULL, "DMIC1DAT" },
1121 { "DMIC2L", NULL, "DMIC2DAT" },
1122 { "DMIC2R", NULL, "DMIC2DAT" },
1123
1124 { "DMIC2L", NULL, "DMIC2" },
1125 { "DMIC2R", NULL, "DMIC2" },
1126 { "DMIC1L", NULL, "DMIC1" },
1127 { "DMIC1R", NULL, "DMIC1" },
1128
1129 { "IN1L Mux", "ADC", "ADCL" },
1130 { "IN1L Mux", "DMIC1", "DMIC1L" },
1131 { "IN1L Mux", "DMIC2", "DMIC2L" },
1132
1133 { "IN1R Mux", "ADC", "ADCR" },
1134 { "IN1R Mux", "DMIC1", "DMIC1R" },
1135 { "IN1R Mux", "DMIC2", "DMIC2R" },
1136
1137 { "IN2L Mux", "ADC", "ADCL" },
1138 { "IN2L Mux", "DMIC1", "DMIC1L" },
1139 { "IN2L Mux", "DMIC2", "DMIC2L" },
1140
1141 { "IN2R Mux", "ADC", "ADCR" },
1142 { "IN2R Mux", "DMIC1", "DMIC1R" },
1143 { "IN2R Mux", "DMIC2", "DMIC2R" },
1144
1145 { "Left Sidetone", "IN1", "IN1L Mux" },
1146 { "Left Sidetone", "IN2", "IN2L Mux" },
1147
1148 { "Right Sidetone", "IN1", "IN1R Mux" },
1149 { "Right Sidetone", "IN2", "IN2R Mux" },
1150
1151 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1152 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1153
1154 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1155 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1156
1157 { "AIF1TX0", NULL, "DSP1TXL" },
1158 { "AIF1TX1", NULL, "DSP1TXR" },
1159 { "AIF1TX2", NULL, "DSP2TXL" },
1160 { "AIF1TX3", NULL, "DSP2TXR" },
1161 { "AIF1TX4", NULL, "AIF2RX0" },
1162 { "AIF1TX5", NULL, "AIF2RX1" },
1163
1164 { "AIF1RX0", NULL, "AIFCLK" },
1165 { "AIF1RX1", NULL, "AIFCLK" },
1166 { "AIF1RX2", NULL, "AIFCLK" },
1167 { "AIF1RX3", NULL, "AIFCLK" },
1168 { "AIF1RX4", NULL, "AIFCLK" },
1169 { "AIF1RX5", NULL, "AIFCLK" },
1170
1171 { "AIF2RX0", NULL, "AIFCLK" },
1172 { "AIF2RX1", NULL, "AIFCLK" },
1173
1174 { "AIF1TX0", NULL, "AIFCLK" },
1175 { "AIF1TX1", NULL, "AIFCLK" },
1176 { "AIF1TX2", NULL, "AIFCLK" },
1177 { "AIF1TX3", NULL, "AIFCLK" },
1178 { "AIF1TX4", NULL, "AIFCLK" },
1179 { "AIF1TX5", NULL, "AIFCLK" },
1180
1181 { "AIF2TX0", NULL, "AIFCLK" },
1182 { "AIF2TX1", NULL, "AIFCLK" },
1183
1184 { "DSP1RXL", NULL, "SYSDSPCLK" },
1185 { "DSP1RXR", NULL, "SYSDSPCLK" },
1186 { "DSP2RXL", NULL, "SYSDSPCLK" },
1187 { "DSP2RXR", NULL, "SYSDSPCLK" },
1188 { "DSP1TXL", NULL, "SYSDSPCLK" },
1189 { "DSP1TXR", NULL, "SYSDSPCLK" },
1190 { "DSP2TXL", NULL, "SYSDSPCLK" },
1191 { "DSP2TXR", NULL, "SYSDSPCLK" },
1192
1193 { "AIF1RXA", NULL, "AIF1RX0" },
1194 { "AIF1RXA", NULL, "AIF1RX1" },
1195 { "AIF1RXB", NULL, "AIF1RX2" },
1196 { "AIF1RXB", NULL, "AIF1RX3" },
1197 { "AIF1RXC", NULL, "AIF1RX4" },
1198 { "AIF1RXC", NULL, "AIF1RX5" },
1199
1200 { "AIF2RX", NULL, "AIF2RX0" },
1201 { "AIF2RX", NULL, "AIF2RX1" },
1202
1203 { "AIF2TX", "DSP2", "DSP2TX" },
1204 { "AIF2TX", "DSP1", "DSP1RX" },
1205 { "AIF2TX", "AIF1", "AIF1RXC" },
1206
1207 { "DSP1RXL", NULL, "DSP1RX" },
1208 { "DSP1RXR", NULL, "DSP1RX" },
1209 { "DSP2RXL", NULL, "DSP2RX" },
1210 { "DSP2RXR", NULL, "DSP2RX" },
1211
1212 { "DSP2TX", NULL, "DSP2TXL" },
1213 { "DSP2TX", NULL, "DSP2TXR" },
1214
1215 { "DSP1RX", "AIF1", "AIF1RXA" },
1216 { "DSP1RX", "AIF2", "AIF2RX" },
1217
1218 { "DSP2RX", "AIF1", "AIF1RXB" },
1219 { "DSP2RX", "AIF2", "AIF2RX" },
1220
1221 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1222 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1223 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1224 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1225
1226 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1227 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1228 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1229 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1230
1231 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1232 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1233 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1234 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1235
1236 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1237 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1238 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1239 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1240
1241 { "DAC1L", NULL, "DAC1L Mixer" },
1242 { "DAC1R", NULL, "DAC1R Mixer" },
1243 { "DAC2L", NULL, "DAC2L Mixer" },
1244 { "DAC2R", NULL, "DAC2R Mixer" },
1245
1246 { "HPOUT2L PGA", NULL, "Charge Pump" },
1247 { "HPOUT2L PGA", NULL, "Bandgap" },
1248 { "HPOUT2L PGA", NULL, "DAC2L" },
1249 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1250 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1251 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1252
1253 { "HPOUT2R PGA", NULL, "Charge Pump" },
1254 { "HPOUT2R PGA", NULL, "Bandgap" },
1255 { "HPOUT2R PGA", NULL, "DAC2R" },
1256 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1257 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1258 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1259
1260 { "HPOUT1L PGA", NULL, "Charge Pump" },
1261 { "HPOUT1L PGA", NULL, "Bandgap" },
1262 { "HPOUT1L PGA", NULL, "DAC1L" },
1263 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1264 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1265 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1266
1267 { "HPOUT1R PGA", NULL, "Charge Pump" },
1268 { "HPOUT1R PGA", NULL, "Bandgap" },
1269 { "HPOUT1R PGA", NULL, "DAC1R" },
1270 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1271 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1272 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1273
1274 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1275 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1276 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1277 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1278
1279 { "SPKL", "DAC1L", "DAC1L" },
1280 { "SPKL", "DAC1R", "DAC1R" },
1281 { "SPKL", "DAC2L", "DAC2L" },
1282 { "SPKL", "DAC2R", "DAC2R" },
1283
1284 { "SPKR", "DAC1L", "DAC1L" },
1285 { "SPKR", "DAC1R", "DAC1R" },
1286 { "SPKR", "DAC2L", "DAC2L" },
1287 { "SPKR", "DAC2R", "DAC2R" },
1288
1289 { "SPKL PGA", NULL, "SPKL" },
1290 { "SPKR PGA", NULL, "SPKR" },
1291
1292 { "SPKDAT", NULL, "SPKL PGA" },
1293 { "SPKDAT", NULL, "SPKR PGA" },
1294};
1295
1296static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1297{
1298 /* Due to the sparseness of the register map the compiler
1299 * output from an explicit switch statement ends up being much
1300 * more efficient than a table.
1301 */
1302 switch (reg) {
1303 case WM8996_SOFTWARE_RESET:
1304 case WM8996_POWER_MANAGEMENT_1:
1305 case WM8996_POWER_MANAGEMENT_2:
1306 case WM8996_POWER_MANAGEMENT_3:
1307 case WM8996_POWER_MANAGEMENT_4:
1308 case WM8996_POWER_MANAGEMENT_5:
1309 case WM8996_POWER_MANAGEMENT_6:
1310 case WM8996_POWER_MANAGEMENT_7:
1311 case WM8996_POWER_MANAGEMENT_8:
1312 case WM8996_LEFT_LINE_INPUT_VOLUME:
1313 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1314 case WM8996_LINE_INPUT_CONTROL:
1315 case WM8996_DAC1_HPOUT1_VOLUME:
1316 case WM8996_DAC2_HPOUT2_VOLUME:
1317 case WM8996_DAC1_LEFT_VOLUME:
1318 case WM8996_DAC1_RIGHT_VOLUME:
1319 case WM8996_DAC2_LEFT_VOLUME:
1320 case WM8996_DAC2_RIGHT_VOLUME:
1321 case WM8996_OUTPUT1_LEFT_VOLUME:
1322 case WM8996_OUTPUT1_RIGHT_VOLUME:
1323 case WM8996_OUTPUT2_LEFT_VOLUME:
1324 case WM8996_OUTPUT2_RIGHT_VOLUME:
1325 case WM8996_MICBIAS_1:
1326 case WM8996_MICBIAS_2:
1327 case WM8996_LDO_1:
1328 case WM8996_LDO_2:
1329 case WM8996_ACCESSORY_DETECT_MODE_1:
1330 case WM8996_ACCESSORY_DETECT_MODE_2:
1331 case WM8996_HEADPHONE_DETECT_1:
1332 case WM8996_HEADPHONE_DETECT_2:
1333 case WM8996_MIC_DETECT_1:
1334 case WM8996_MIC_DETECT_2:
1335 case WM8996_MIC_DETECT_3:
1336 case WM8996_CHARGE_PUMP_1:
1337 case WM8996_CHARGE_PUMP_2:
1338 case WM8996_DC_SERVO_1:
1339 case WM8996_DC_SERVO_2:
1340 case WM8996_DC_SERVO_3:
1341 case WM8996_DC_SERVO_5:
1342 case WM8996_DC_SERVO_6:
1343 case WM8996_DC_SERVO_7:
1344 case WM8996_DC_SERVO_READBACK_0:
1345 case WM8996_ANALOGUE_HP_1:
1346 case WM8996_ANALOGUE_HP_2:
1347 case WM8996_CHIP_REVISION:
1348 case WM8996_CONTROL_INTERFACE_1:
1349 case WM8996_WRITE_SEQUENCER_CTRL_1:
1350 case WM8996_WRITE_SEQUENCER_CTRL_2:
1351 case WM8996_AIF_CLOCKING_1:
1352 case WM8996_AIF_CLOCKING_2:
1353 case WM8996_CLOCKING_1:
1354 case WM8996_CLOCKING_2:
1355 case WM8996_AIF_RATE:
1356 case WM8996_FLL_CONTROL_1:
1357 case WM8996_FLL_CONTROL_2:
1358 case WM8996_FLL_CONTROL_3:
1359 case WM8996_FLL_CONTROL_4:
1360 case WM8996_FLL_CONTROL_5:
1361 case WM8996_FLL_CONTROL_6:
1362 case WM8996_FLL_EFS_1:
1363 case WM8996_FLL_EFS_2:
1364 case WM8996_AIF1_CONTROL:
1365 case WM8996_AIF1_BCLK:
1366 case WM8996_AIF1_TX_LRCLK_1:
1367 case WM8996_AIF1_TX_LRCLK_2:
1368 case WM8996_AIF1_RX_LRCLK_1:
1369 case WM8996_AIF1_RX_LRCLK_2:
1370 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1371 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1372 case WM8996_AIF1RX_DATA_CONFIGURATION:
1373 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1374 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1375 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1376 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1377 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1378 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1379 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1380 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1381 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1382 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1383 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1384 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1385 case WM8996_AIF1RX_MONO_CONFIGURATION:
1386 case WM8996_AIF1TX_TEST:
1387 case WM8996_AIF2_CONTROL:
1388 case WM8996_AIF2_BCLK:
1389 case WM8996_AIF2_TX_LRCLK_1:
1390 case WM8996_AIF2_TX_LRCLK_2:
1391 case WM8996_AIF2_RX_LRCLK_1:
1392 case WM8996_AIF2_RX_LRCLK_2:
1393 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1394 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1395 case WM8996_AIF2RX_DATA_CONFIGURATION:
1396 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1397 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1398 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1399 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1400 case WM8996_AIF2RX_MONO_CONFIGURATION:
1401 case WM8996_AIF2TX_TEST:
1402 case WM8996_DSP1_TX_LEFT_VOLUME:
1403 case WM8996_DSP1_TX_RIGHT_VOLUME:
1404 case WM8996_DSP1_RX_LEFT_VOLUME:
1405 case WM8996_DSP1_RX_RIGHT_VOLUME:
1406 case WM8996_DSP1_TX_FILTERS:
1407 case WM8996_DSP1_RX_FILTERS_1:
1408 case WM8996_DSP1_RX_FILTERS_2:
1409 case WM8996_DSP1_DRC_1:
1410 case WM8996_DSP1_DRC_2:
1411 case WM8996_DSP1_DRC_3:
1412 case WM8996_DSP1_DRC_4:
1413 case WM8996_DSP1_DRC_5:
1414 case WM8996_DSP1_RX_EQ_GAINS_1:
1415 case WM8996_DSP1_RX_EQ_GAINS_2:
1416 case WM8996_DSP1_RX_EQ_BAND_1_A:
1417 case WM8996_DSP1_RX_EQ_BAND_1_B:
1418 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1419 case WM8996_DSP1_RX_EQ_BAND_2_A:
1420 case WM8996_DSP1_RX_EQ_BAND_2_B:
1421 case WM8996_DSP1_RX_EQ_BAND_2_C:
1422 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1423 case WM8996_DSP1_RX_EQ_BAND_3_A:
1424 case WM8996_DSP1_RX_EQ_BAND_3_B:
1425 case WM8996_DSP1_RX_EQ_BAND_3_C:
1426 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1427 case WM8996_DSP1_RX_EQ_BAND_4_A:
1428 case WM8996_DSP1_RX_EQ_BAND_4_B:
1429 case WM8996_DSP1_RX_EQ_BAND_4_C:
1430 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1431 case WM8996_DSP1_RX_EQ_BAND_5_A:
1432 case WM8996_DSP1_RX_EQ_BAND_5_B:
1433 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1434 case WM8996_DSP2_TX_LEFT_VOLUME:
1435 case WM8996_DSP2_TX_RIGHT_VOLUME:
1436 case WM8996_DSP2_RX_LEFT_VOLUME:
1437 case WM8996_DSP2_RX_RIGHT_VOLUME:
1438 case WM8996_DSP2_TX_FILTERS:
1439 case WM8996_DSP2_RX_FILTERS_1:
1440 case WM8996_DSP2_RX_FILTERS_2:
1441 case WM8996_DSP2_DRC_1:
1442 case WM8996_DSP2_DRC_2:
1443 case WM8996_DSP2_DRC_3:
1444 case WM8996_DSP2_DRC_4:
1445 case WM8996_DSP2_DRC_5:
1446 case WM8996_DSP2_RX_EQ_GAINS_1:
1447 case WM8996_DSP2_RX_EQ_GAINS_2:
1448 case WM8996_DSP2_RX_EQ_BAND_1_A:
1449 case WM8996_DSP2_RX_EQ_BAND_1_B:
1450 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1451 case WM8996_DSP2_RX_EQ_BAND_2_A:
1452 case WM8996_DSP2_RX_EQ_BAND_2_B:
1453 case WM8996_DSP2_RX_EQ_BAND_2_C:
1454 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1455 case WM8996_DSP2_RX_EQ_BAND_3_A:
1456 case WM8996_DSP2_RX_EQ_BAND_3_B:
1457 case WM8996_DSP2_RX_EQ_BAND_3_C:
1458 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1459 case WM8996_DSP2_RX_EQ_BAND_4_A:
1460 case WM8996_DSP2_RX_EQ_BAND_4_B:
1461 case WM8996_DSP2_RX_EQ_BAND_4_C:
1462 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1463 case WM8996_DSP2_RX_EQ_BAND_5_A:
1464 case WM8996_DSP2_RX_EQ_BAND_5_B:
1465 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1466 case WM8996_DAC1_MIXER_VOLUMES:
1467 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1468 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1469 case WM8996_DAC2_MIXER_VOLUMES:
1470 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1471 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1472 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1473 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1474 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1475 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1476 case WM8996_DSP_TX_MIXER_SELECT:
1477 case WM8996_DAC_SOFTMUTE:
1478 case WM8996_OVERSAMPLING:
1479 case WM8996_SIDETONE:
1480 case WM8996_GPIO_1:
1481 case WM8996_GPIO_2:
1482 case WM8996_GPIO_3:
1483 case WM8996_GPIO_4:
1484 case WM8996_GPIO_5:
1485 case WM8996_PULL_CONTROL_1:
1486 case WM8996_PULL_CONTROL_2:
1487 case WM8996_INTERRUPT_STATUS_1:
1488 case WM8996_INTERRUPT_STATUS_2:
1489 case WM8996_INTERRUPT_RAW_STATUS_2:
1490 case WM8996_INTERRUPT_STATUS_1_MASK:
1491 case WM8996_INTERRUPT_STATUS_2_MASK:
1492 case WM8996_INTERRUPT_CONTROL:
1493 case WM8996_LEFT_PDM_SPEAKER:
1494 case WM8996_RIGHT_PDM_SPEAKER:
1495 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1496 case WM8996_PDM_SPEAKER_VOLUME:
1497 return true;
1498 default:
1499 return false;
1500 }
1501}
1502
1503static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1504{
1505 switch (reg) {
1506 case WM8996_SOFTWARE_RESET:
1507 case WM8996_CHIP_REVISION:
1508 case WM8996_LDO_1:
1509 case WM8996_LDO_2:
1510 case WM8996_INTERRUPT_STATUS_1:
1511 case WM8996_INTERRUPT_STATUS_2:
1512 case WM8996_INTERRUPT_RAW_STATUS_2:
1513 case WM8996_DC_SERVO_READBACK_0:
1514 case WM8996_DC_SERVO_2:
1515 case WM8996_DC_SERVO_6:
1516 case WM8996_DC_SERVO_7:
1517 case WM8996_FLL_CONTROL_6:
1518 case WM8996_MIC_DETECT_3:
1519 case WM8996_HEADPHONE_DETECT_1:
1520 case WM8996_HEADPHONE_DETECT_2:
1521 return true;
1522 default:
1523 return false;
1524 }
1525}
1526
1527static const int bclk_divs[] = {
1528 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1529};
1530
1531static void wm8996_update_bclk(struct snd_soc_component *component)
1532{
1533 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1534 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1535
1536 /* Don't bother if we're in a low frequency idle mode that
1537 * can't support audio.
1538 */
1539 if (wm8996->sysclk < 64000)
1540 return;
1541
1542 for (aif = 0; aif < WM8996_AIFS; aif++) {
1543 switch (aif) {
1544 case 0:
1545 bclk_reg = WM8996_AIF1_BCLK;
1546 break;
1547 case 1:
1548 bclk_reg = WM8996_AIF2_BCLK;
1549 break;
1550 }
1551
1552 bclk_rate = wm8996->bclk_rate[aif];
1553
1554 /* Pick a divisor for BCLK as close as we can get to ideal */
1555 best = 0;
1556 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1557 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1558 if (cur_val < 0) /* BCLK table is sorted */
1559 break;
1560 best = i;
1561 }
1562 bclk_rate = wm8996->sysclk / bclk_divs[best];
1563 dev_dbg(component->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1564 bclk_divs[best], bclk_rate);
1565
1566 snd_soc_component_update_bits(component, bclk_reg,
1567 WM8996_AIF1_BCLK_DIV_MASK, best);
1568 }
1569}
1570
1571static int wm8996_set_bias_level(struct snd_soc_component *component,
1572 enum snd_soc_bias_level level)
1573{
1574 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1575 int ret;
1576
1577 switch (level) {
1578 case SND_SOC_BIAS_ON:
1579 break;
1580 case SND_SOC_BIAS_PREPARE:
1581 /* Put the MICBIASes into regulating mode */
1582 snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
1583 WM8996_MICB1_MODE, 0);
1584 snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
1585 WM8996_MICB2_MODE, 0);
1586 break;
1587
1588 case SND_SOC_BIAS_STANDBY:
1589 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1590 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1591 wm8996->supplies);
1592 if (ret != 0) {
1593 dev_err(component->dev,
1594 "Failed to enable supplies: %d\n",
1595 ret);
1596 return ret;
1597 }
1598
1599 if (wm8996->ldo_ena) {
1600 gpiod_set_value_cansleep(wm8996->ldo_ena,
1601 1);
1602 msleep(5);
1603 }
1604
1605 regcache_cache_only(wm8996->regmap, false);
1606 regcache_sync(wm8996->regmap);
1607 }
1608
1609 /* Bypass the MICBIASes for lowest power */
1610 snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
1611 WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1612 snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
1613 WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1614 break;
1615
1616 case SND_SOC_BIAS_OFF:
1617 regcache_cache_only(wm8996->regmap, true);
1618 if (wm8996->ldo_ena) {
1619 gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
1620 regcache_cache_only(wm8996->regmap, true);
1621 }
1622 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1623 wm8996->supplies);
1624 break;
1625 }
1626
1627 return 0;
1628}
1629
1630static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1631{
1632 struct snd_soc_component *component = dai->component;
1633 int aifctrl = 0;
1634 int bclk = 0;
1635 int lrclk_tx = 0;
1636 int lrclk_rx = 0;
1637 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1638
1639 switch (dai->id) {
1640 case 0:
1641 aifctrl_reg = WM8996_AIF1_CONTROL;
1642 bclk_reg = WM8996_AIF1_BCLK;
1643 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1644 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1645 break;
1646 case 1:
1647 aifctrl_reg = WM8996_AIF2_CONTROL;
1648 bclk_reg = WM8996_AIF2_BCLK;
1649 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1650 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1651 break;
1652 default:
1653 WARN(1, "Invalid dai id %d\n", dai->id);
1654 return -EINVAL;
1655 }
1656
1657 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1658 case SND_SOC_DAIFMT_NB_NF:
1659 break;
1660 case SND_SOC_DAIFMT_IB_NF:
1661 bclk |= WM8996_AIF1_BCLK_INV;
1662 break;
1663 case SND_SOC_DAIFMT_NB_IF:
1664 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1665 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1666 break;
1667 case SND_SOC_DAIFMT_IB_IF:
1668 bclk |= WM8996_AIF1_BCLK_INV;
1669 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1670 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1671 break;
1672 }
1673
1674 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1675 case SND_SOC_DAIFMT_CBS_CFS:
1676 break;
1677 case SND_SOC_DAIFMT_CBS_CFM:
1678 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1679 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1680 break;
1681 case SND_SOC_DAIFMT_CBM_CFS:
1682 bclk |= WM8996_AIF1_BCLK_MSTR;
1683 break;
1684 case SND_SOC_DAIFMT_CBM_CFM:
1685 bclk |= WM8996_AIF1_BCLK_MSTR;
1686 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1687 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1688 break;
1689 default:
1690 return -EINVAL;
1691 }
1692
1693 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1694 case SND_SOC_DAIFMT_DSP_A:
1695 break;
1696 case SND_SOC_DAIFMT_DSP_B:
1697 aifctrl |= 1;
1698 break;
1699 case SND_SOC_DAIFMT_I2S:
1700 aifctrl |= 2;
1701 break;
1702 case SND_SOC_DAIFMT_LEFT_J:
1703 aifctrl |= 3;
1704 break;
1705 default:
1706 return -EINVAL;
1707 }
1708
1709 snd_soc_component_update_bits(component, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1710 snd_soc_component_update_bits(component, bclk_reg,
1711 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1712 bclk);
1713 snd_soc_component_update_bits(component, lrclk_tx_reg,
1714 WM8996_AIF1TX_LRCLK_INV |
1715 WM8996_AIF1TX_LRCLK_MSTR,
1716 lrclk_tx);
1717 snd_soc_component_update_bits(component, lrclk_rx_reg,
1718 WM8996_AIF1RX_LRCLK_INV |
1719 WM8996_AIF1RX_LRCLK_MSTR,
1720 lrclk_rx);
1721
1722 return 0;
1723}
1724
1725static const int dsp_divs[] = {
1726 48000, 32000, 16000, 8000
1727};
1728
1729static int wm8996_hw_params(struct snd_pcm_substream *substream,
1730 struct snd_pcm_hw_params *params,
1731 struct snd_soc_dai *dai)
1732{
1733 struct snd_soc_component *component = dai->component;
1734 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1735 int bits, i, bclk_rate, best;
1736 int aifdata = 0;
1737 int lrclk = 0;
1738 int dsp = 0;
1739 int aifdata_reg, lrclk_reg, dsp_shift;
1740
1741 switch (dai->id) {
1742 case 0:
1743 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1744 (snd_soc_component_read(component, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1745 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1746 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1747 } else {
1748 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1749 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1750 }
1751 dsp_shift = 0;
1752 break;
1753 case 1:
1754 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1755 (snd_soc_component_read(component, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1756 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1757 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1758 } else {
1759 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1760 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1761 }
1762 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1763 break;
1764 default:
1765 WARN(1, "Invalid dai id %d\n", dai->id);
1766 return -EINVAL;
1767 }
1768
1769 bclk_rate = snd_soc_params_to_bclk(params);
1770 if (bclk_rate < 0) {
1771 dev_err(component->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1772 return bclk_rate;
1773 }
1774
1775 wm8996->bclk_rate[dai->id] = bclk_rate;
1776 wm8996->rx_rate[dai->id] = params_rate(params);
1777
1778 /* Needs looking at for TDM */
1779 bits = params_width(params);
1780 if (bits < 0)
1781 return bits;
1782 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1783
1784 best = 0;
1785 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1786 if (abs(dsp_divs[i] - params_rate(params)) <
1787 abs(dsp_divs[best] - params_rate(params)))
1788 best = i;
1789 }
1790 dsp |= i << dsp_shift;
1791
1792 wm8996_update_bclk(component);
1793
1794 lrclk = bclk_rate / params_rate(params);
1795 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1796 lrclk, bclk_rate / lrclk);
1797
1798 snd_soc_component_update_bits(component, aifdata_reg,
1799 WM8996_AIF1TX_WL_MASK |
1800 WM8996_AIF1TX_SLOT_LEN_MASK,
1801 aifdata);
1802 snd_soc_component_update_bits(component, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1803 lrclk);
1804 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_2,
1805 WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1806
1807 return 0;
1808}
1809
1810static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1811 int clk_id, unsigned int freq, int dir)
1812{
1813 struct snd_soc_component *component = dai->component;
1814 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
1815 int lfclk = 0;
1816 int ratediv = 0;
1817 int sync = WM8996_REG_SYNC;
1818 int src;
1819 int old;
1820
1821 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1822 return 0;
1823
1824 /* Disable SYSCLK while we reconfigure */
1825 old = snd_soc_component_read(component, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1826 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
1827 WM8996_SYSCLK_ENA, 0);
1828
1829 switch (clk_id) {
1830 case WM8996_SYSCLK_MCLK1:
1831 wm8996->sysclk = freq;
1832 src = 0;
1833 break;
1834 case WM8996_SYSCLK_MCLK2:
1835 wm8996->sysclk = freq;
1836 src = 1;
1837 break;
1838 case WM8996_SYSCLK_FLL:
1839 wm8996->sysclk = freq;
1840 src = 2;
1841 break;
1842 default:
1843 dev_err(component->dev, "Unsupported clock source %d\n", clk_id);
1844 return -EINVAL;
1845 }
1846
1847 switch (wm8996->sysclk) {
1848 case 5644800:
1849 case 6144000:
1850 snd_soc_component_update_bits(component, WM8996_AIF_RATE,
1851 WM8996_SYSCLK_RATE, 0);
1852 break;
1853 case 22579200:
1854 case 24576000:
1855 ratediv = WM8996_SYSCLK_DIV;
1856 wm8996->sysclk /= 2;
1857 fallthrough;
1858 case 11289600:
1859 case 12288000:
1860 snd_soc_component_update_bits(component, WM8996_AIF_RATE,
1861 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1862 break;
1863 case 32000:
1864 case 32768:
1865 lfclk = WM8996_LFCLK_ENA;
1866 sync = 0;
1867 break;
1868 default:
1869 dev_warn(component->dev, "Unsupported clock rate %dHz\n",
1870 wm8996->sysclk);
1871 return -EINVAL;
1872 }
1873
1874 wm8996_update_bclk(component);
1875
1876 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
1877 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1878 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1879 snd_soc_component_update_bits(component, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1880 snd_soc_component_update_bits(component, WM8996_CONTROL_INTERFACE_1,
1881 WM8996_REG_SYNC, sync);
1882 snd_soc_component_update_bits(component, WM8996_AIF_CLOCKING_1,
1883 WM8996_SYSCLK_ENA, old);
1884
1885 wm8996->sysclk_src = clk_id;
1886
1887 return 0;
1888}
1889
1890struct _fll_div {
1891 u16 fll_fratio;
1892 u16 fll_outdiv;
1893 u16 fll_refclk_div;
1894 u16 fll_loop_gain;
1895 u16 fll_ref_freq;
1896 u16 n;
1897 u16 theta;
1898 u16 lambda;
1899};
1900
1901static struct {
1902 unsigned int min;
1903 unsigned int max;
1904 u16 fll_fratio;
1905 int ratio;
1906} fll_fratios[] = {
1907 { 0, 64000, 4, 16 },
1908 { 64000, 128000, 3, 8 },
1909 { 128000, 256000, 2, 4 },
1910 { 256000, 1000000, 1, 2 },
1911 { 1000000, 13500000, 0, 1 },
1912};
1913
1914static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1915 unsigned int Fout)
1916{
1917 unsigned int target;
1918 unsigned int div;
1919 unsigned int fratio, gcd_fll;
1920 int i;
1921
1922 /* Fref must be <=13.5MHz */
1923 div = 1;
1924 fll_div->fll_refclk_div = 0;
1925 while ((Fref / div) > 13500000) {
1926 div *= 2;
1927 fll_div->fll_refclk_div++;
1928
1929 if (div > 8) {
1930 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1931 Fref);
1932 return -EINVAL;
1933 }
1934 }
1935
1936 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1937
1938 /* Apply the division for our remaining calculations */
1939 Fref /= div;
1940
1941 if (Fref >= 3000000)
1942 fll_div->fll_loop_gain = 5;
1943 else
1944 fll_div->fll_loop_gain = 0;
1945
1946 if (Fref >= 48000)
1947 fll_div->fll_ref_freq = 0;
1948 else
1949 fll_div->fll_ref_freq = 1;
1950
1951 /* Fvco should be 90-100MHz; don't check the upper bound */
1952 div = 2;
1953 while (Fout * div < 90000000) {
1954 div++;
1955 if (div > 64) {
1956 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1957 Fout);
1958 return -EINVAL;
1959 }
1960 }
1961 target = Fout * div;
1962 fll_div->fll_outdiv = div - 1;
1963
1964 pr_debug("FLL Fvco=%dHz\n", target);
1965
1966 /* Find an appropraite FLL_FRATIO and factor it out of the target */
1967 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1968 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1969 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1970 fratio = fll_fratios[i].ratio;
1971 break;
1972 }
1973 }
1974 if (i == ARRAY_SIZE(fll_fratios)) {
1975 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1976 return -EINVAL;
1977 }
1978
1979 fll_div->n = target / (fratio * Fref);
1980
1981 if (target % Fref == 0) {
1982 fll_div->theta = 0;
1983 fll_div->lambda = 0;
1984 } else {
1985 gcd_fll = gcd(target, fratio * Fref);
1986
1987 fll_div->theta = (target - (fll_div->n * fratio * Fref))
1988 / gcd_fll;
1989 fll_div->lambda = (fratio * Fref) / gcd_fll;
1990 }
1991
1992 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
1993 fll_div->n, fll_div->theta, fll_div->lambda);
1994 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
1995 fll_div->fll_fratio, fll_div->fll_outdiv,
1996 fll_div->fll_refclk_div);
1997
1998 return 0;
1999}
2000
2001static int wm8996_set_fll(struct snd_soc_component *component, int fll_id, int source,
2002 unsigned int Fref, unsigned int Fout)
2003{
2004 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2005 struct i2c_client *i2c = to_i2c_client(component->dev);
2006 struct _fll_div fll_div;
2007 unsigned long timeout, time_left;
2008 int ret, reg, retry;
2009
2010 /* Any change? */
2011 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2012 Fout == wm8996->fll_fout)
2013 return 0;
2014
2015 if (Fout == 0) {
2016 dev_dbg(component->dev, "FLL disabled\n");
2017
2018 wm8996->fll_fref = 0;
2019 wm8996->fll_fout = 0;
2020
2021 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1,
2022 WM8996_FLL_ENA, 0);
2023
2024 wm8996_bg_disable(component);
2025
2026 return 0;
2027 }
2028
2029 ret = fll_factors(&fll_div, Fref, Fout);
2030 if (ret != 0)
2031 return ret;
2032
2033 switch (source) {
2034 case WM8996_FLL_MCLK1:
2035 reg = 0;
2036 break;
2037 case WM8996_FLL_MCLK2:
2038 reg = 1;
2039 break;
2040 case WM8996_FLL_DACLRCLK1:
2041 reg = 2;
2042 break;
2043 case WM8996_FLL_BCLK1:
2044 reg = 3;
2045 break;
2046 default:
2047 dev_err(component->dev, "Unknown FLL source %d\n", ret);
2048 return -EINVAL;
2049 }
2050
2051 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2052 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2053
2054 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_5,
2055 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2056 WM8996_FLL_REFCLK_SRC_MASK, reg);
2057
2058 reg = 0;
2059 if (fll_div.theta || fll_div.lambda)
2060 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2061 else
2062 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2063 snd_soc_component_write(component, WM8996_FLL_EFS_2, reg);
2064
2065 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_2,
2066 WM8996_FLL_OUTDIV_MASK |
2067 WM8996_FLL_FRATIO_MASK,
2068 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2069 (fll_div.fll_fratio));
2070
2071 snd_soc_component_write(component, WM8996_FLL_CONTROL_3, fll_div.theta);
2072
2073 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_4,
2074 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2075 (fll_div.n << WM8996_FLL_N_SHIFT) |
2076 fll_div.fll_loop_gain);
2077
2078 snd_soc_component_write(component, WM8996_FLL_EFS_1, fll_div.lambda);
2079
2080 /* Enable the bandgap if it's not already enabled */
2081 ret = snd_soc_component_read(component, WM8996_FLL_CONTROL_1);
2082 if (!(ret & WM8996_FLL_ENA))
2083 wm8996_bg_enable(component);
2084
2085 /* Clear any pending completions (eg, from failed startups) */
2086 try_wait_for_completion(&wm8996->fll_lock);
2087
2088 snd_soc_component_update_bits(component, WM8996_FLL_CONTROL_1,
2089 WM8996_FLL_ENA, WM8996_FLL_ENA);
2090
2091 /* The FLL supports live reconfiguration - kick that in case we were
2092 * already enabled.
2093 */
2094 snd_soc_component_write(component, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2095
2096 /* Wait for the FLL to lock, using the interrupt if possible */
2097 if (Fref > 1000000)
2098 timeout = usecs_to_jiffies(300);
2099 else
2100 timeout = msecs_to_jiffies(2);
2101
2102 /* Allow substantially longer if we've actually got the IRQ, poll
2103 * at a slightly higher rate if we don't.
2104 */
2105 if (i2c->irq)
2106 timeout *= 10;
2107 else
2108 /* ensure timeout of atleast 1 jiffies */
2109 timeout = (timeout/2) ? : 1;
2110
2111 for (retry = 0; retry < 10; retry++) {
2112 time_left = wait_for_completion_timeout(&wm8996->fll_lock,
2113 timeout);
2114 if (time_left != 0) {
2115 WARN_ON(!i2c->irq);
2116 ret = 1;
2117 break;
2118 }
2119
2120 ret = snd_soc_component_read(component, WM8996_INTERRUPT_RAW_STATUS_2);
2121 if (ret & WM8996_FLL_LOCK_STS)
2122 break;
2123 }
2124 if (retry == 10) {
2125 dev_err(component->dev, "Timed out waiting for FLL\n");
2126 ret = -ETIMEDOUT;
2127 }
2128
2129 dev_dbg(component->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2130
2131 wm8996->fll_fref = Fref;
2132 wm8996->fll_fout = Fout;
2133 wm8996->fll_src = source;
2134
2135 return ret;
2136}
2137
2138#ifdef CONFIG_GPIOLIB
2139static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2140{
2141 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2142
2143 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2144 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2145}
2146
2147static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2148 unsigned offset, int value)
2149{
2150 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2151 int val;
2152
2153 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2154
2155 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2156 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2157 WM8996_GP1_LVL, val);
2158}
2159
2160static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2161{
2162 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2163 unsigned int reg;
2164 int ret;
2165
2166 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, ®);
2167 if (ret < 0)
2168 return ret;
2169
2170 return (reg & WM8996_GP1_LVL) != 0;
2171}
2172
2173static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2174{
2175 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2176
2177 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2178 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2179 (1 << WM8996_GP1_FN_SHIFT) |
2180 (1 << WM8996_GP1_DIR_SHIFT));
2181}
2182
2183static const struct gpio_chip wm8996_template_chip = {
2184 .label = "wm8996",
2185 .owner = THIS_MODULE,
2186 .direction_output = wm8996_gpio_direction_out,
2187 .set = wm8996_gpio_set,
2188 .direction_input = wm8996_gpio_direction_in,
2189 .get = wm8996_gpio_get,
2190 .can_sleep = 1,
2191 .ngpio = 5,
2192 .base = -1,
2193};
2194
2195static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2196{
2197 int ret;
2198
2199 wm8996->gpio_chip = wm8996_template_chip;
2200 wm8996->gpio_chip.parent = wm8996->dev;
2201
2202 ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996);
2203 if (ret != 0)
2204 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2205}
2206
2207static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2208{
2209 gpiochip_remove(&wm8996->gpio_chip);
2210}
2211#else
2212static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2213{
2214}
2215
2216static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2217{
2218}
2219#endif
2220
2221/**
2222 * wm8996_detect - Enable default WM8996 jack detection
2223 * @component: ASoC component
2224 * @jack: jack pointer
2225 * @polarity_cb: polarity callback
2226 *
2227 * The WM8996 has advanced accessory detection support for headsets.
2228 * This function provides a default implementation which integrates
2229 * the majority of this functionality with minimal user configuration.
2230 *
2231 * This will detect headset, headphone and short circuit button and
2232 * will also detect inverted microphone ground connections and update
2233 * the polarity of the connections.
2234 */
2235int wm8996_detect(struct snd_soc_component *component, struct snd_soc_jack *jack,
2236 wm8996_polarity_fn polarity_cb)
2237{
2238 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2239 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2240
2241 wm8996->jack = jack;
2242 wm8996->detecting = true;
2243 wm8996->polarity_cb = polarity_cb;
2244 wm8996->jack_flips = 0;
2245
2246 if (wm8996->polarity_cb)
2247 wm8996->polarity_cb(component, 0);
2248
2249 /* Clear discarge to avoid noise during detection */
2250 snd_soc_component_update_bits(component, WM8996_MICBIAS_1,
2251 WM8996_MICB1_DISCH, 0);
2252 snd_soc_component_update_bits(component, WM8996_MICBIAS_2,
2253 WM8996_MICB2_DISCH, 0);
2254
2255 /* LDO2 powers the microphones, SYSCLK clocks detection */
2256 snd_soc_dapm_mutex_lock(dapm);
2257
2258 snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2259 snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2260
2261 snd_soc_dapm_mutex_unlock(dapm);
2262
2263 /* We start off just enabling microphone detection - even a
2264 * plain headphone will trigger detection.
2265 */
2266 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2267 WM8996_MICD_ENA, WM8996_MICD_ENA);
2268
2269 /* Slowest detection rate, gives debounce for initial detection */
2270 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2271 WM8996_MICD_RATE_MASK,
2272 WM8996_MICD_RATE_MASK);
2273
2274 /* Enable interrupts and we're off */
2275 snd_soc_component_update_bits(component, WM8996_INTERRUPT_STATUS_2_MASK,
2276 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2277
2278 return 0;
2279}
2280EXPORT_SYMBOL_GPL(wm8996_detect);
2281
2282static void wm8996_hpdet_irq(struct snd_soc_component *component)
2283{
2284 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2285 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2286 int val, reg, report;
2287
2288 /* Assume headphone in error conditions; we need to report
2289 * something or we stall our state machine.
2290 */
2291 report = SND_JACK_HEADPHONE;
2292
2293 reg = snd_soc_component_read(component, WM8996_HEADPHONE_DETECT_2);
2294 if (reg < 0) {
2295 dev_err(component->dev, "Failed to read HPDET status\n");
2296 goto out;
2297 }
2298
2299 if (!(reg & WM8996_HP_DONE)) {
2300 dev_err(component->dev, "Got HPDET IRQ but HPDET is busy\n");
2301 goto out;
2302 }
2303
2304 val = reg & WM8996_HP_LVL_MASK;
2305
2306 dev_dbg(component->dev, "HPDET measured %d ohms\n", val);
2307
2308 /* If we've got high enough impedence then report as line,
2309 * otherwise assume headphone.
2310 */
2311 if (val >= 126)
2312 report = SND_JACK_LINEOUT;
2313 else
2314 report = SND_JACK_HEADPHONE;
2315
2316out:
2317 if (wm8996->jack_mic)
2318 report |= SND_JACK_MICROPHONE;
2319
2320 snd_soc_jack_report(wm8996->jack, report,
2321 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2322
2323 wm8996->detecting = false;
2324
2325 /* If the output isn't running re-clamp it */
2326 if (!(snd_soc_component_read(component, WM8996_POWER_MANAGEMENT_1) &
2327 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2328 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1,
2329 WM8996_HPOUT1L_RMV_SHORT |
2330 WM8996_HPOUT1R_RMV_SHORT, 0);
2331
2332 /* Go back to looking at the microphone */
2333 snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1,
2334 WM8996_JD_MODE_MASK, 0);
2335 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2336 WM8996_MICD_ENA);
2337
2338 snd_soc_dapm_disable_pin(dapm, "Bandgap");
2339 snd_soc_dapm_sync(dapm);
2340}
2341
2342static void wm8996_hpdet_start(struct snd_soc_component *component)
2343{
2344 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2345
2346 /* Unclamp the output, we can't measure while we're shorting it */
2347 snd_soc_component_update_bits(component, WM8996_ANALOGUE_HP_1,
2348 WM8996_HPOUT1L_RMV_SHORT |
2349 WM8996_HPOUT1R_RMV_SHORT,
2350 WM8996_HPOUT1L_RMV_SHORT |
2351 WM8996_HPOUT1R_RMV_SHORT);
2352
2353 /* We need bandgap for HPDET */
2354 snd_soc_dapm_force_enable_pin(dapm, "Bandgap");
2355 snd_soc_dapm_sync(dapm);
2356
2357 /* Go into headphone detect left mode */
2358 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2359 snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_1,
2360 WM8996_JD_MODE_MASK, 1);
2361
2362 /* Trigger a measurement */
2363 snd_soc_component_update_bits(component, WM8996_HEADPHONE_DETECT_1,
2364 WM8996_HP_POLL, WM8996_HP_POLL);
2365}
2366
2367static void wm8996_report_headphone(struct snd_soc_component *component)
2368{
2369 dev_dbg(component->dev, "Headphone detected\n");
2370 wm8996_hpdet_start(component);
2371
2372 /* Increase the detection rate a bit for responsiveness. */
2373 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2374 WM8996_MICD_RATE_MASK |
2375 WM8996_MICD_BIAS_STARTTIME_MASK,
2376 7 << WM8996_MICD_RATE_SHIFT |
2377 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2378}
2379
2380static void wm8996_micd(struct snd_soc_component *component)
2381{
2382 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2383 int val, reg;
2384
2385 val = snd_soc_component_read(component, WM8996_MIC_DETECT_3);
2386
2387 dev_dbg(component->dev, "Microphone event: %x\n", val);
2388
2389 if (!(val & WM8996_MICD_VALID)) {
2390 dev_warn(component->dev, "Microphone detection state invalid\n");
2391 return;
2392 }
2393
2394 /* No accessory, reset everything and report removal */
2395 if (!(val & WM8996_MICD_STS)) {
2396 dev_dbg(component->dev, "Jack removal detected\n");
2397 wm8996->jack_mic = false;
2398 wm8996->detecting = true;
2399 wm8996->jack_flips = 0;
2400 snd_soc_jack_report(wm8996->jack, 0,
2401 SND_JACK_LINEOUT | SND_JACK_HEADSET |
2402 SND_JACK_BTN_0);
2403
2404 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2405 WM8996_MICD_RATE_MASK |
2406 WM8996_MICD_BIAS_STARTTIME_MASK,
2407 WM8996_MICD_RATE_MASK |
2408 9 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2409 return;
2410 }
2411
2412 /* If the measurement is very high we've got a microphone,
2413 * either we just detected one or if we already reported then
2414 * we've got a button release event.
2415 */
2416 if (val & 0x400) {
2417 if (wm8996->detecting) {
2418 dev_dbg(component->dev, "Microphone detected\n");
2419 wm8996->jack_mic = true;
2420 wm8996_hpdet_start(component);
2421
2422 /* Increase poll rate to give better responsiveness
2423 * for buttons */
2424 snd_soc_component_update_bits(component, WM8996_MIC_DETECT_1,
2425 WM8996_MICD_RATE_MASK |
2426 WM8996_MICD_BIAS_STARTTIME_MASK,
2427 5 << WM8996_MICD_RATE_SHIFT |
2428 7 << WM8996_MICD_BIAS_STARTTIME_SHIFT);
2429 } else {
2430 dev_dbg(component->dev, "Mic button up\n");
2431 snd_soc_jack_report(wm8996->jack, 0, SND_JACK_BTN_0);
2432 }
2433
2434 return;
2435 }
2436
2437 /* If we detected a lower impedence during initial startup
2438 * then we probably have the wrong polarity, flip it. Don't
2439 * do this for the lowest impedences to speed up detection of
2440 * plain headphones. If both polarities report a low
2441 * impedence then give up and report headphones.
2442 */
2443 if (wm8996->detecting && (val & 0x3f0)) {
2444 wm8996->jack_flips++;
2445
2446 if (wm8996->jack_flips > 1) {
2447 wm8996_report_headphone(component);
2448 return;
2449 }
2450
2451 reg = snd_soc_component_read(component, WM8996_ACCESSORY_DETECT_MODE_2);
2452 reg ^= WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2453 WM8996_MICD_BIAS_SRC;
2454 snd_soc_component_update_bits(component, WM8996_ACCESSORY_DETECT_MODE_2,
2455 WM8996_HPOUT1FB_SRC | WM8996_MICD_SRC |
2456 WM8996_MICD_BIAS_SRC, reg);
2457
2458 if (wm8996->polarity_cb)
2459 wm8996->polarity_cb(component,
2460 (reg & WM8996_MICD_SRC) != 0);
2461
2462 dev_dbg(component->dev, "Set microphone polarity to %d\n",
2463 (reg & WM8996_MICD_SRC) != 0);
2464
2465 return;
2466 }
2467
2468 /* Don't distinguish between buttons, just report any low
2469 * impedence as BTN_0.
2470 */
2471 if (val & 0x3fc) {
2472 if (wm8996->jack_mic) {
2473 dev_dbg(component->dev, "Mic button detected\n");
2474 snd_soc_jack_report(wm8996->jack, SND_JACK_BTN_0,
2475 SND_JACK_BTN_0);
2476 } else if (wm8996->detecting) {
2477 wm8996_report_headphone(component);
2478 }
2479 }
2480}
2481
2482static irqreturn_t wm8996_irq(int irq, void *data)
2483{
2484 struct snd_soc_component *component = data;
2485 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2486 int irq_val;
2487
2488 irq_val = snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2);
2489 if (irq_val < 0) {
2490 dev_err(component->dev, "Failed to read IRQ status: %d\n",
2491 irq_val);
2492 return IRQ_NONE;
2493 }
2494 irq_val &= ~snd_soc_component_read(component, WM8996_INTERRUPT_STATUS_2_MASK);
2495
2496 if (!irq_val)
2497 return IRQ_NONE;
2498
2499 snd_soc_component_write(component, WM8996_INTERRUPT_STATUS_2, irq_val);
2500
2501 if (irq_val & (WM8996_DCS_DONE_01_EINT | WM8996_DCS_DONE_23_EINT)) {
2502 dev_dbg(component->dev, "DC servo IRQ\n");
2503 complete(&wm8996->dcs_done);
2504 }
2505
2506 if (irq_val & WM8996_FIFOS_ERR_EINT)
2507 dev_err(component->dev, "Digital core FIFO error\n");
2508
2509 if (irq_val & WM8996_FLL_LOCK_EINT) {
2510 dev_dbg(component->dev, "FLL locked\n");
2511 complete(&wm8996->fll_lock);
2512 }
2513
2514 if (irq_val & WM8996_MICD_EINT)
2515 wm8996_micd(component);
2516
2517 if (irq_val & WM8996_HP_DONE_EINT)
2518 wm8996_hpdet_irq(component);
2519
2520 return IRQ_HANDLED;
2521}
2522
2523static irqreturn_t wm8996_edge_irq(int irq, void *data)
2524{
2525 irqreturn_t ret = IRQ_NONE;
2526 irqreturn_t val;
2527
2528 do {
2529 val = wm8996_irq(irq, data);
2530 if (val != IRQ_NONE)
2531 ret = val;
2532 } while (val != IRQ_NONE);
2533
2534 return ret;
2535}
2536
2537static void wm8996_retune_mobile_pdata(struct snd_soc_component *component)
2538{
2539 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2540 struct wm8996_pdata *pdata = &wm8996->pdata;
2541
2542 struct snd_kcontrol_new controls[] = {
2543 SOC_ENUM_EXT("DSP1 EQ Mode",
2544 wm8996->retune_mobile_enum,
2545 wm8996_get_retune_mobile_enum,
2546 wm8996_put_retune_mobile_enum),
2547 SOC_ENUM_EXT("DSP2 EQ Mode",
2548 wm8996->retune_mobile_enum,
2549 wm8996_get_retune_mobile_enum,
2550 wm8996_put_retune_mobile_enum),
2551 };
2552 int ret, i, j;
2553 const char **t;
2554
2555 /* We need an array of texts for the enum API but the number
2556 * of texts is likely to be less than the number of
2557 * configurations due to the sample rate dependency of the
2558 * configurations. */
2559 wm8996->num_retune_mobile_texts = 0;
2560 wm8996->retune_mobile_texts = NULL;
2561 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2562 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2563 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2564 wm8996->retune_mobile_texts[j]) == 0)
2565 break;
2566 }
2567
2568 if (j != wm8996->num_retune_mobile_texts)
2569 continue;
2570
2571 /* Expand the array... */
2572 t = krealloc(wm8996->retune_mobile_texts,
2573 sizeof(char *) *
2574 (wm8996->num_retune_mobile_texts + 1),
2575 GFP_KERNEL);
2576 if (t == NULL)
2577 continue;
2578
2579 /* ...store the new entry... */
2580 t[wm8996->num_retune_mobile_texts] =
2581 pdata->retune_mobile_cfgs[i].name;
2582
2583 /* ...and remember the new version. */
2584 wm8996->num_retune_mobile_texts++;
2585 wm8996->retune_mobile_texts = t;
2586 }
2587
2588 dev_dbg(component->dev, "Allocated %d unique ReTune Mobile names\n",
2589 wm8996->num_retune_mobile_texts);
2590
2591 wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2592 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2593
2594 ret = snd_soc_add_component_controls(component, controls, ARRAY_SIZE(controls));
2595 if (ret != 0)
2596 dev_err(component->dev,
2597 "Failed to add ReTune Mobile controls: %d\n", ret);
2598}
2599
2600static const struct regmap_config wm8996_regmap = {
2601 .reg_bits = 16,
2602 .val_bits = 16,
2603
2604 .max_register = WM8996_MAX_REGISTER,
2605 .reg_defaults = wm8996_reg,
2606 .num_reg_defaults = ARRAY_SIZE(wm8996_reg),
2607 .volatile_reg = wm8996_volatile_register,
2608 .readable_reg = wm8996_readable_register,
2609 .cache_type = REGCACHE_MAPLE,
2610};
2611
2612static int wm8996_probe(struct snd_soc_component *component)
2613{
2614 int ret;
2615 struct wm8996_priv *wm8996 = snd_soc_component_get_drvdata(component);
2616 struct i2c_client *i2c = to_i2c_client(component->dev);
2617 int irq_flags;
2618
2619 wm8996->component = component;
2620
2621 init_completion(&wm8996->dcs_done);
2622 init_completion(&wm8996->fll_lock);
2623
2624 if (wm8996->pdata.num_retune_mobile_cfgs)
2625 wm8996_retune_mobile_pdata(component);
2626 else
2627 snd_soc_add_component_controls(component, wm8996_eq_controls,
2628 ARRAY_SIZE(wm8996_eq_controls));
2629
2630 if (i2c->irq) {
2631 if (wm8996->pdata.irq_flags)
2632 irq_flags = wm8996->pdata.irq_flags;
2633 else
2634 irq_flags = IRQF_TRIGGER_LOW;
2635
2636 irq_flags |= IRQF_ONESHOT;
2637
2638 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2639 ret = request_threaded_irq(i2c->irq, NULL,
2640 wm8996_edge_irq,
2641 irq_flags, "wm8996", component);
2642 else
2643 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2644 irq_flags, "wm8996", component);
2645
2646 if (ret == 0) {
2647 /* Unmask the interrupt */
2648 snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL,
2649 WM8996_IM_IRQ, 0);
2650
2651 /* Enable error reporting and DC servo status */
2652 snd_soc_component_update_bits(component,
2653 WM8996_INTERRUPT_STATUS_2_MASK,
2654 WM8996_IM_DCS_DONE_23_EINT |
2655 WM8996_IM_DCS_DONE_01_EINT |
2656 WM8996_IM_FLL_LOCK_EINT |
2657 WM8996_IM_FIFOS_ERR_EINT,
2658 0);
2659 } else {
2660 dev_err(component->dev, "Failed to request IRQ: %d\n",
2661 ret);
2662 return ret;
2663 }
2664 }
2665
2666 return 0;
2667}
2668
2669static void wm8996_remove(struct snd_soc_component *component)
2670{
2671 struct i2c_client *i2c = to_i2c_client(component->dev);
2672
2673 snd_soc_component_update_bits(component, WM8996_INTERRUPT_CONTROL,
2674 WM8996_IM_IRQ, WM8996_IM_IRQ);
2675
2676 if (i2c->irq)
2677 free_irq(i2c->irq, component);
2678}
2679
2680static const struct snd_soc_component_driver soc_component_dev_wm8996 = {
2681 .probe = wm8996_probe,
2682 .remove = wm8996_remove,
2683 .set_bias_level = wm8996_set_bias_level,
2684 .seq_notifier = wm8996_seq_notifier,
2685 .controls = wm8996_snd_controls,
2686 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
2687 .dapm_widgets = wm8996_dapm_widgets,
2688 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
2689 .dapm_routes = wm8996_dapm_routes,
2690 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
2691 .set_pll = wm8996_set_fll,
2692 .use_pmdown_time = 1,
2693 .endianness = 1,
2694};
2695
2696#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2697 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2698 SNDRV_PCM_RATE_48000)
2699#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2700 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2701 SNDRV_PCM_FMTBIT_S32_LE)
2702
2703static const struct snd_soc_dai_ops wm8996_dai_ops = {
2704 .set_fmt = wm8996_set_fmt,
2705 .hw_params = wm8996_hw_params,
2706 .set_sysclk = wm8996_set_sysclk,
2707};
2708
2709static struct snd_soc_dai_driver wm8996_dai[] = {
2710 {
2711 .name = "wm8996-aif1",
2712 .playback = {
2713 .stream_name = "AIF1 Playback",
2714 .channels_min = 1,
2715 .channels_max = 6,
2716 .rates = WM8996_RATES,
2717 .formats = WM8996_FORMATS,
2718 .sig_bits = 24,
2719 },
2720 .capture = {
2721 .stream_name = "AIF1 Capture",
2722 .channels_min = 1,
2723 .channels_max = 6,
2724 .rates = WM8996_RATES,
2725 .formats = WM8996_FORMATS,
2726 .sig_bits = 24,
2727 },
2728 .ops = &wm8996_dai_ops,
2729 },
2730 {
2731 .name = "wm8996-aif2",
2732 .playback = {
2733 .stream_name = "AIF2 Playback",
2734 .channels_min = 1,
2735 .channels_max = 2,
2736 .rates = WM8996_RATES,
2737 .formats = WM8996_FORMATS,
2738 .sig_bits = 24,
2739 },
2740 .capture = {
2741 .stream_name = "AIF2 Capture",
2742 .channels_min = 1,
2743 .channels_max = 2,
2744 .rates = WM8996_RATES,
2745 .formats = WM8996_FORMATS,
2746 .sig_bits = 24,
2747 },
2748 .ops = &wm8996_dai_ops,
2749 },
2750};
2751
2752static int wm8996_i2c_probe(struct i2c_client *i2c)
2753{
2754 struct wm8996_priv *wm8996;
2755 int ret, i;
2756 unsigned int reg;
2757
2758 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2759 GFP_KERNEL);
2760 if (wm8996 == NULL)
2761 return -ENOMEM;
2762
2763 i2c_set_clientdata(i2c, wm8996);
2764 wm8996->dev = &i2c->dev;
2765
2766 if (dev_get_platdata(&i2c->dev))
2767 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2768 sizeof(wm8996->pdata));
2769
2770 wm8996->ldo_ena = devm_gpiod_get_optional(&i2c->dev, "wlf,ldo1ena",
2771 GPIOD_OUT_LOW);
2772 if (IS_ERR(wm8996->ldo_ena)) {
2773 ret = PTR_ERR(wm8996->ldo_ena);
2774 dev_err(&i2c->dev, "Failed to request LDO ENA GPIO: %d\n",
2775 ret);
2776 goto err;
2777 }
2778 gpiod_set_consumer_name(wm8996->ldo_ena, "WM8996 ENA");
2779
2780 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2781 wm8996->supplies[i].supply = wm8996_supply_names[i];
2782
2783 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2784 wm8996->supplies);
2785 if (ret != 0) {
2786 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2787 goto err_gpio;
2788 }
2789
2790 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2791 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2792 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2793
2794 /* This should really be moved into the regulator core */
2795 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2796 ret = devm_regulator_register_notifier(
2797 wm8996->supplies[i].consumer,
2798 &wm8996->disable_nb[i]);
2799 if (ret != 0) {
2800 dev_err(&i2c->dev,
2801 "Failed to register regulator notifier: %d\n",
2802 ret);
2803 }
2804 }
2805
2806 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2807 wm8996->supplies);
2808 if (ret != 0) {
2809 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2810 goto err_gpio;
2811 }
2812
2813 if (wm8996->ldo_ena) {
2814 gpiod_set_value_cansleep(wm8996->ldo_ena, 1);
2815 msleep(5);
2816 }
2817
2818 wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2819 if (IS_ERR(wm8996->regmap)) {
2820 ret = PTR_ERR(wm8996->regmap);
2821 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2822 goto err_enable;
2823 }
2824
2825 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, ®);
2826 if (ret < 0) {
2827 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2828 goto err_regmap;
2829 }
2830 if (reg != 0x8915) {
2831 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2832 ret = -EINVAL;
2833 goto err_regmap;
2834 }
2835
2836 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, ®);
2837 if (ret < 0) {
2838 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2839 ret);
2840 goto err_regmap;
2841 }
2842
2843 dev_info(&i2c->dev, "revision %c\n",
2844 (reg & WM8996_CHIP_REV_MASK) + 'A');
2845
2846 if (wm8996->ldo_ena) {
2847 gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
2848 regcache_cache_only(wm8996->regmap, true);
2849 } else {
2850 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2851 0x8915);
2852 if (ret != 0) {
2853 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2854 goto err_regmap;
2855 }
2856 }
2857
2858 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2859
2860 /* Apply platform data settings */
2861 regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2862 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2863 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2864 wm8996->pdata.inr_mode);
2865
2866 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2867 if (!wm8996->pdata.gpio_default[i])
2868 continue;
2869
2870 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2871 wm8996->pdata.gpio_default[i] & 0xffff);
2872 }
2873
2874 if (wm8996->pdata.spkmute_seq)
2875 regmap_update_bits(wm8996->regmap,
2876 WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2877 WM8996_SPK_MUTE_ENDIAN |
2878 WM8996_SPK_MUTE_SEQ1_MASK,
2879 wm8996->pdata.spkmute_seq);
2880
2881 regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2882 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2883 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2884
2885 /* Latch volume update bits */
2886 regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2887 WM8996_IN1_VU, WM8996_IN1_VU);
2888 regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2889 WM8996_IN1_VU, WM8996_IN1_VU);
2890
2891 regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2892 WM8996_DAC1_VU, WM8996_DAC1_VU);
2893 regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2894 WM8996_DAC1_VU, WM8996_DAC1_VU);
2895 regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2896 WM8996_DAC2_VU, WM8996_DAC2_VU);
2897 regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2898 WM8996_DAC2_VU, WM8996_DAC2_VU);
2899
2900 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2901 WM8996_DAC1_VU, WM8996_DAC1_VU);
2902 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2903 WM8996_DAC1_VU, WM8996_DAC1_VU);
2904 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2905 WM8996_DAC2_VU, WM8996_DAC2_VU);
2906 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2907 WM8996_DAC2_VU, WM8996_DAC2_VU);
2908
2909 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2910 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2911 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2912 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2913 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2914 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2915 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2916 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2917
2918 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2919 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2920 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2921 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2922 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2923 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2924 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2925 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2926
2927 /* No support currently for the underclocked TDM modes and
2928 * pick a default TDM layout with each channel pair working with
2929 * slots 0 and 1. */
2930 regmap_update_bits(wm8996->regmap,
2931 WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2932 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2933 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2934 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2935 regmap_update_bits(wm8996->regmap,
2936 WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2937 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2938 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2939 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2940 regmap_update_bits(wm8996->regmap,
2941 WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2942 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2943 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2944 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2945 regmap_update_bits(wm8996->regmap,
2946 WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2947 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2948 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2949 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2950 regmap_update_bits(wm8996->regmap,
2951 WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2952 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2953 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2954 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2955 regmap_update_bits(wm8996->regmap,
2956 WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2957 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2958 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2959 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2960
2961 regmap_update_bits(wm8996->regmap,
2962 WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2963 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2964 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2965 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2966 regmap_update_bits(wm8996->regmap,
2967 WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2968 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2969 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2970 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2971
2972 regmap_update_bits(wm8996->regmap,
2973 WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2974 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2975 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2976 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2977 regmap_update_bits(wm8996->regmap,
2978 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2979 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2980 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2981 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2982 regmap_update_bits(wm8996->regmap,
2983 WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2984 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2985 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2986 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2987 regmap_update_bits(wm8996->regmap,
2988 WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2989 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2990 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2991 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
2992 regmap_update_bits(wm8996->regmap,
2993 WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
2994 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
2995 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2996 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
2997 regmap_update_bits(wm8996->regmap,
2998 WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
2999 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3000 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3001 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3002
3003 regmap_update_bits(wm8996->regmap,
3004 WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3005 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3006 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3007 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3008 regmap_update_bits(wm8996->regmap,
3009 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3010 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3011 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3012 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3013
3014 /* If the TX LRCLK pins are not in LRCLK mode configure the
3015 * AIFs to source their clocks from the RX LRCLKs.
3016 */
3017 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, ®);
3018 if (ret != 0) {
3019 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3020 goto err_regmap;
3021 }
3022
3023 if (reg & WM8996_GP1_FN_MASK)
3024 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3025 WM8996_AIF1TX_LRCLK_MODE,
3026 WM8996_AIF1TX_LRCLK_MODE);
3027
3028 ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, ®);
3029 if (ret != 0) {
3030 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3031 goto err_regmap;
3032 }
3033
3034 if (reg & WM8996_GP2_FN_MASK)
3035 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3036 WM8996_AIF2TX_LRCLK_MODE,
3037 WM8996_AIF2TX_LRCLK_MODE);
3038
3039 wm8996_init_gpio(wm8996);
3040
3041 ret = devm_snd_soc_register_component(&i2c->dev,
3042 &soc_component_dev_wm8996, wm8996_dai,
3043 ARRAY_SIZE(wm8996_dai));
3044 if (ret < 0)
3045 goto err_gpiolib;
3046
3047 return ret;
3048
3049err_gpiolib:
3050 wm8996_free_gpio(wm8996);
3051err_regmap:
3052err_enable:
3053 if (wm8996->ldo_ena)
3054 gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
3055 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3056err_gpio:
3057err:
3058
3059 return ret;
3060}
3061
3062static void wm8996_i2c_remove(struct i2c_client *client)
3063{
3064 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3065
3066 wm8996_free_gpio(wm8996);
3067 if (wm8996->ldo_ena)
3068 gpiod_set_value_cansleep(wm8996->ldo_ena, 0);
3069}
3070
3071static const struct i2c_device_id wm8996_i2c_id[] = {
3072 { "wm8996" },
3073 { }
3074};
3075MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3076
3077static struct i2c_driver wm8996_i2c_driver = {
3078 .driver = {
3079 .name = "wm8996",
3080 },
3081 .probe = wm8996_i2c_probe,
3082 .remove = wm8996_i2c_remove,
3083 .id_table = wm8996_i2c_id,
3084};
3085
3086module_i2c_driver(wm8996_i2c_driver);
3087
3088MODULE_DESCRIPTION("ASoC WM8996 driver");
3089MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3090MODULE_LICENSE("GPL");
1/*
2 * wm8996.c - WM8996 audio codec interface
3 *
4 * Copyright 2011-2 Wolfson Microelectronics PLC.
5 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 */
12
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/init.h>
16#include <linux/completion.h>
17#include <linux/delay.h>
18#include <linux/pm.h>
19#include <linux/gcd.h>
20#include <linux/gpio/driver.h>
21#include <linux/gpio.h>
22#include <linux/i2c.h>
23#include <linux/regmap.h>
24#include <linux/regulator/consumer.h>
25#include <linux/slab.h>
26#include <linux/workqueue.h>
27#include <sound/core.h>
28#include <sound/jack.h>
29#include <sound/pcm.h>
30#include <sound/pcm_params.h>
31#include <sound/soc.h>
32#include <sound/initval.h>
33#include <sound/tlv.h>
34#include <trace/events/asoc.h>
35
36#include <sound/wm8996.h>
37#include "wm8996.h"
38
39#define WM8996_AIFS 2
40
41#define HPOUT1L 1
42#define HPOUT1R 2
43#define HPOUT2L 4
44#define HPOUT2R 8
45
46#define WM8996_NUM_SUPPLIES 3
47static const char *wm8996_supply_names[WM8996_NUM_SUPPLIES] = {
48 "DBVDD",
49 "AVDD1",
50 "AVDD2",
51};
52
53struct wm8996_priv {
54 struct device *dev;
55 struct regmap *regmap;
56 struct snd_soc_codec *codec;
57
58 int ldo1ena;
59
60 int sysclk;
61 int sysclk_src;
62
63 int fll_src;
64 int fll_fref;
65 int fll_fout;
66
67 struct completion fll_lock;
68
69 u16 dcs_pending;
70 struct completion dcs_done;
71
72 u16 hpout_ena;
73 u16 hpout_pending;
74
75 struct regulator_bulk_data supplies[WM8996_NUM_SUPPLIES];
76 struct notifier_block disable_nb[WM8996_NUM_SUPPLIES];
77 int bg_ena;
78
79 struct wm8996_pdata pdata;
80
81 int rx_rate[WM8996_AIFS];
82 int bclk_rate[WM8996_AIFS];
83
84 /* Platform dependant ReTune mobile configuration */
85 int num_retune_mobile_texts;
86 const char **retune_mobile_texts;
87 int retune_mobile_cfg[2];
88 struct soc_enum retune_mobile_enum;
89
90 struct snd_soc_jack *jack;
91 bool detecting;
92 bool jack_mic;
93 int jack_flips;
94 wm8996_polarity_fn polarity_cb;
95
96#ifdef CONFIG_GPIOLIB
97 struct gpio_chip gpio_chip;
98#endif
99};
100
101/* We can't use the same notifier block for more than one supply and
102 * there's no way I can see to get from a callback to the caller
103 * except container_of().
104 */
105#define WM8996_REGULATOR_EVENT(n) \
106static int wm8996_regulator_event_##n(struct notifier_block *nb, \
107 unsigned long event, void *data) \
108{ \
109 struct wm8996_priv *wm8996 = container_of(nb, struct wm8996_priv, \
110 disable_nb[n]); \
111 if (event & REGULATOR_EVENT_DISABLE) { \
112 regcache_mark_dirty(wm8996->regmap); \
113 } \
114 return 0; \
115}
116
117WM8996_REGULATOR_EVENT(0)
118WM8996_REGULATOR_EVENT(1)
119WM8996_REGULATOR_EVENT(2)
120
121static const struct reg_default wm8996_reg[] = {
122 { WM8996_POWER_MANAGEMENT_1, 0x0 },
123 { WM8996_POWER_MANAGEMENT_2, 0x0 },
124 { WM8996_POWER_MANAGEMENT_3, 0x0 },
125 { WM8996_POWER_MANAGEMENT_4, 0x0 },
126 { WM8996_POWER_MANAGEMENT_5, 0x0 },
127 { WM8996_POWER_MANAGEMENT_6, 0x0 },
128 { WM8996_POWER_MANAGEMENT_7, 0x10 },
129 { WM8996_POWER_MANAGEMENT_8, 0x0 },
130 { WM8996_LEFT_LINE_INPUT_VOLUME, 0x0 },
131 { WM8996_RIGHT_LINE_INPUT_VOLUME, 0x0 },
132 { WM8996_LINE_INPUT_CONTROL, 0x0 },
133 { WM8996_DAC1_HPOUT1_VOLUME, 0x88 },
134 { WM8996_DAC2_HPOUT2_VOLUME, 0x88 },
135 { WM8996_DAC1_LEFT_VOLUME, 0x2c0 },
136 { WM8996_DAC1_RIGHT_VOLUME, 0x2c0 },
137 { WM8996_DAC2_LEFT_VOLUME, 0x2c0 },
138 { WM8996_DAC2_RIGHT_VOLUME, 0x2c0 },
139 { WM8996_OUTPUT1_LEFT_VOLUME, 0x80 },
140 { WM8996_OUTPUT1_RIGHT_VOLUME, 0x80 },
141 { WM8996_OUTPUT2_LEFT_VOLUME, 0x80 },
142 { WM8996_OUTPUT2_RIGHT_VOLUME, 0x80 },
143 { WM8996_MICBIAS_1, 0x39 },
144 { WM8996_MICBIAS_2, 0x39 },
145 { WM8996_LDO_1, 0x3 },
146 { WM8996_LDO_2, 0x13 },
147 { WM8996_ACCESSORY_DETECT_MODE_1, 0x4 },
148 { WM8996_ACCESSORY_DETECT_MODE_2, 0x0 },
149 { WM8996_HEADPHONE_DETECT_1, 0x20 },
150 { WM8996_HEADPHONE_DETECT_2, 0x0 },
151 { WM8996_MIC_DETECT_1, 0x7600 },
152 { WM8996_MIC_DETECT_2, 0xbf },
153 { WM8996_CHARGE_PUMP_1, 0x1f25 },
154 { WM8996_CHARGE_PUMP_2, 0xab19 },
155 { WM8996_DC_SERVO_1, 0x0 },
156 { WM8996_DC_SERVO_3, 0x0 },
157 { WM8996_DC_SERVO_5, 0x2a2a },
158 { WM8996_DC_SERVO_6, 0x0 },
159 { WM8996_DC_SERVO_7, 0x0 },
160 { WM8996_ANALOGUE_HP_1, 0x0 },
161 { WM8996_ANALOGUE_HP_2, 0x0 },
162 { WM8996_CONTROL_INTERFACE_1, 0x8004 },
163 { WM8996_WRITE_SEQUENCER_CTRL_1, 0x0 },
164 { WM8996_WRITE_SEQUENCER_CTRL_2, 0x0 },
165 { WM8996_AIF_CLOCKING_1, 0x0 },
166 { WM8996_AIF_CLOCKING_2, 0x0 },
167 { WM8996_CLOCKING_1, 0x10 },
168 { WM8996_CLOCKING_2, 0x0 },
169 { WM8996_AIF_RATE, 0x83 },
170 { WM8996_FLL_CONTROL_1, 0x0 },
171 { WM8996_FLL_CONTROL_2, 0x0 },
172 { WM8996_FLL_CONTROL_3, 0x0 },
173 { WM8996_FLL_CONTROL_4, 0x5dc0 },
174 { WM8996_FLL_CONTROL_5, 0xc84 },
175 { WM8996_FLL_EFS_1, 0x0 },
176 { WM8996_FLL_EFS_2, 0x2 },
177 { WM8996_AIF1_CONTROL, 0x0 },
178 { WM8996_AIF1_BCLK, 0x0 },
179 { WM8996_AIF1_TX_LRCLK_1, 0x80 },
180 { WM8996_AIF1_TX_LRCLK_2, 0x8 },
181 { WM8996_AIF1_RX_LRCLK_1, 0x80 },
182 { WM8996_AIF1_RX_LRCLK_2, 0x0 },
183 { WM8996_AIF1TX_DATA_CONFIGURATION_1, 0x1818 },
184 { WM8996_AIF1TX_DATA_CONFIGURATION_2, 0 },
185 { WM8996_AIF1RX_DATA_CONFIGURATION, 0x1818 },
186 { WM8996_AIF1TX_CHANNEL_0_CONFIGURATION, 0x0 },
187 { WM8996_AIF1TX_CHANNEL_1_CONFIGURATION, 0x0 },
188 { WM8996_AIF1TX_CHANNEL_2_CONFIGURATION, 0x0 },
189 { WM8996_AIF1TX_CHANNEL_3_CONFIGURATION, 0x0 },
190 { WM8996_AIF1TX_CHANNEL_4_CONFIGURATION, 0x0 },
191 { WM8996_AIF1TX_CHANNEL_5_CONFIGURATION, 0x0 },
192 { WM8996_AIF1RX_CHANNEL_0_CONFIGURATION, 0x0 },
193 { WM8996_AIF1RX_CHANNEL_1_CONFIGURATION, 0x0 },
194 { WM8996_AIF1RX_CHANNEL_2_CONFIGURATION, 0x0 },
195 { WM8996_AIF1RX_CHANNEL_3_CONFIGURATION, 0x0 },
196 { WM8996_AIF1RX_CHANNEL_4_CONFIGURATION, 0x0 },
197 { WM8996_AIF1RX_CHANNEL_5_CONFIGURATION, 0x0 },
198 { WM8996_AIF1RX_MONO_CONFIGURATION, 0x0 },
199 { WM8996_AIF1TX_TEST, 0x7 },
200 { WM8996_AIF2_CONTROL, 0x0 },
201 { WM8996_AIF2_BCLK, 0x0 },
202 { WM8996_AIF2_TX_LRCLK_1, 0x80 },
203 { WM8996_AIF2_TX_LRCLK_2, 0x8 },
204 { WM8996_AIF2_RX_LRCLK_1, 0x80 },
205 { WM8996_AIF2_RX_LRCLK_2, 0x0 },
206 { WM8996_AIF2TX_DATA_CONFIGURATION_1, 0x1818 },
207 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x1818 },
208 { WM8996_AIF2RX_DATA_CONFIGURATION, 0x0 },
209 { WM8996_AIF2TX_CHANNEL_0_CONFIGURATION, 0x0 },
210 { WM8996_AIF2TX_CHANNEL_1_CONFIGURATION, 0x0 },
211 { WM8996_AIF2RX_CHANNEL_0_CONFIGURATION, 0x0 },
212 { WM8996_AIF2RX_CHANNEL_1_CONFIGURATION, 0x0 },
213 { WM8996_AIF2RX_MONO_CONFIGURATION, 0x0 },
214 { WM8996_AIF2TX_TEST, 0x1 },
215 { WM8996_DSP1_TX_LEFT_VOLUME, 0xc0 },
216 { WM8996_DSP1_TX_RIGHT_VOLUME, 0xc0 },
217 { WM8996_DSP1_RX_LEFT_VOLUME, 0xc0 },
218 { WM8996_DSP1_RX_RIGHT_VOLUME, 0xc0 },
219 { WM8996_DSP1_TX_FILTERS, 0x2000 },
220 { WM8996_DSP1_RX_FILTERS_1, 0x200 },
221 { WM8996_DSP1_RX_FILTERS_2, 0x10 },
222 { WM8996_DSP1_DRC_1, 0x98 },
223 { WM8996_DSP1_DRC_2, 0x845 },
224 { WM8996_DSP1_RX_EQ_GAINS_1, 0x6318 },
225 { WM8996_DSP1_RX_EQ_GAINS_2, 0x6300 },
226 { WM8996_DSP1_RX_EQ_BAND_1_A, 0xfca },
227 { WM8996_DSP1_RX_EQ_BAND_1_B, 0x400 },
228 { WM8996_DSP1_RX_EQ_BAND_1_PG, 0xd8 },
229 { WM8996_DSP1_RX_EQ_BAND_2_A, 0x1eb5 },
230 { WM8996_DSP1_RX_EQ_BAND_2_B, 0xf145 },
231 { WM8996_DSP1_RX_EQ_BAND_2_C, 0xb75 },
232 { WM8996_DSP1_RX_EQ_BAND_2_PG, 0x1c5 },
233 { WM8996_DSP1_RX_EQ_BAND_3_A, 0x1c58 },
234 { WM8996_DSP1_RX_EQ_BAND_3_B, 0xf373 },
235 { WM8996_DSP1_RX_EQ_BAND_3_C, 0xa54 },
236 { WM8996_DSP1_RX_EQ_BAND_3_PG, 0x558 },
237 { WM8996_DSP1_RX_EQ_BAND_4_A, 0x168e },
238 { WM8996_DSP1_RX_EQ_BAND_4_B, 0xf829 },
239 { WM8996_DSP1_RX_EQ_BAND_4_C, 0x7ad },
240 { WM8996_DSP1_RX_EQ_BAND_4_PG, 0x1103 },
241 { WM8996_DSP1_RX_EQ_BAND_5_A, 0x564 },
242 { WM8996_DSP1_RX_EQ_BAND_5_B, 0x559 },
243 { WM8996_DSP1_RX_EQ_BAND_5_PG, 0x4000 },
244 { WM8996_DSP2_TX_LEFT_VOLUME, 0xc0 },
245 { WM8996_DSP2_TX_RIGHT_VOLUME, 0xc0 },
246 { WM8996_DSP2_RX_LEFT_VOLUME, 0xc0 },
247 { WM8996_DSP2_RX_RIGHT_VOLUME, 0xc0 },
248 { WM8996_DSP2_TX_FILTERS, 0x2000 },
249 { WM8996_DSP2_RX_FILTERS_1, 0x200 },
250 { WM8996_DSP2_RX_FILTERS_2, 0x10 },
251 { WM8996_DSP2_DRC_1, 0x98 },
252 { WM8996_DSP2_DRC_2, 0x845 },
253 { WM8996_DSP2_RX_EQ_GAINS_1, 0x6318 },
254 { WM8996_DSP2_RX_EQ_GAINS_2, 0x6300 },
255 { WM8996_DSP2_RX_EQ_BAND_1_A, 0xfca },
256 { WM8996_DSP2_RX_EQ_BAND_1_B, 0x400 },
257 { WM8996_DSP2_RX_EQ_BAND_1_PG, 0xd8 },
258 { WM8996_DSP2_RX_EQ_BAND_2_A, 0x1eb5 },
259 { WM8996_DSP2_RX_EQ_BAND_2_B, 0xf145 },
260 { WM8996_DSP2_RX_EQ_BAND_2_C, 0xb75 },
261 { WM8996_DSP2_RX_EQ_BAND_2_PG, 0x1c5 },
262 { WM8996_DSP2_RX_EQ_BAND_3_A, 0x1c58 },
263 { WM8996_DSP2_RX_EQ_BAND_3_B, 0xf373 },
264 { WM8996_DSP2_RX_EQ_BAND_3_C, 0xa54 },
265 { WM8996_DSP2_RX_EQ_BAND_3_PG, 0x558 },
266 { WM8996_DSP2_RX_EQ_BAND_4_A, 0x168e },
267 { WM8996_DSP2_RX_EQ_BAND_4_B, 0xf829 },
268 { WM8996_DSP2_RX_EQ_BAND_4_C, 0x7ad },
269 { WM8996_DSP2_RX_EQ_BAND_4_PG, 0x1103 },
270 { WM8996_DSP2_RX_EQ_BAND_5_A, 0x564 },
271 { WM8996_DSP2_RX_EQ_BAND_5_B, 0x559 },
272 { WM8996_DSP2_RX_EQ_BAND_5_PG, 0x4000 },
273 { WM8996_DAC1_MIXER_VOLUMES, 0x0 },
274 { WM8996_DAC1_LEFT_MIXER_ROUTING, 0x0 },
275 { WM8996_DAC1_RIGHT_MIXER_ROUTING, 0x0 },
276 { WM8996_DAC2_MIXER_VOLUMES, 0x0 },
277 { WM8996_DAC2_LEFT_MIXER_ROUTING, 0x0 },
278 { WM8996_DAC2_RIGHT_MIXER_ROUTING, 0x0 },
279 { WM8996_DSP1_TX_LEFT_MIXER_ROUTING, 0x0 },
280 { WM8996_DSP1_TX_RIGHT_MIXER_ROUTING, 0x0 },
281 { WM8996_DSP2_TX_LEFT_MIXER_ROUTING, 0x0 },
282 { WM8996_DSP2_TX_RIGHT_MIXER_ROUTING, 0x0 },
283 { WM8996_DSP_TX_MIXER_SELECT, 0x0 },
284 { WM8996_DAC_SOFTMUTE, 0x0 },
285 { WM8996_OVERSAMPLING, 0xd },
286 { WM8996_SIDETONE, 0x1040 },
287 { WM8996_GPIO_1, 0xa101 },
288 { WM8996_GPIO_2, 0xa101 },
289 { WM8996_GPIO_3, 0xa101 },
290 { WM8996_GPIO_4, 0xa101 },
291 { WM8996_GPIO_5, 0xa101 },
292 { WM8996_PULL_CONTROL_1, 0x0 },
293 { WM8996_PULL_CONTROL_2, 0x140 },
294 { WM8996_INTERRUPT_STATUS_1_MASK, 0x1f },
295 { WM8996_INTERRUPT_STATUS_2_MASK, 0x1ecf },
296 { WM8996_LEFT_PDM_SPEAKER, 0x0 },
297 { WM8996_RIGHT_PDM_SPEAKER, 0x1 },
298 { WM8996_PDM_SPEAKER_MUTE_SEQUENCE, 0x69 },
299 { WM8996_PDM_SPEAKER_VOLUME, 0x66 },
300};
301
302static const DECLARE_TLV_DB_SCALE(inpga_tlv, 0, 100, 0);
303static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 150, 0);
304static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
305static const DECLARE_TLV_DB_SCALE(out_digital_tlv, -1200, 150, 0);
306static const DECLARE_TLV_DB_SCALE(out_tlv, -900, 75, 0);
307static const DECLARE_TLV_DB_SCALE(spk_tlv, -900, 150, 0);
308static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
309static const DECLARE_TLV_DB_SCALE(threedstereo_tlv, -1600, 183, 1);
310
311static const char *sidetone_hpf_text[] = {
312 "2.9kHz", "1.5kHz", "735Hz", "403Hz", "196Hz", "98Hz", "49Hz"
313};
314
315static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
316 WM8996_SIDETONE, 7, sidetone_hpf_text);
317
318static const char *hpf_mode_text[] = {
319 "HiFi", "Custom", "Voice"
320};
321
322static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_mode,
323 WM8996_DSP1_TX_FILTERS, 3, hpf_mode_text);
324
325static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_mode,
326 WM8996_DSP2_TX_FILTERS, 3, hpf_mode_text);
327
328static const char *hpf_cutoff_text[] = {
329 "50Hz", "75Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
330};
331
332static SOC_ENUM_SINGLE_DECL(dsp1tx_hpf_cutoff,
333 WM8996_DSP1_TX_FILTERS, 0, hpf_cutoff_text);
334
335static SOC_ENUM_SINGLE_DECL(dsp2tx_hpf_cutoff,
336 WM8996_DSP2_TX_FILTERS, 0, hpf_cutoff_text);
337
338static void wm8996_set_retune_mobile(struct snd_soc_codec *codec, int block)
339{
340 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
341 struct wm8996_pdata *pdata = &wm8996->pdata;
342 int base, best, best_val, save, i, cfg, iface;
343
344 if (!wm8996->num_retune_mobile_texts)
345 return;
346
347 switch (block) {
348 case 0:
349 base = WM8996_DSP1_RX_EQ_GAINS_1;
350 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
351 WM8996_DSP1RX_SRC)
352 iface = 1;
353 else
354 iface = 0;
355 break;
356 case 1:
357 base = WM8996_DSP1_RX_EQ_GAINS_2;
358 if (snd_soc_read(codec, WM8996_POWER_MANAGEMENT_8) &
359 WM8996_DSP2RX_SRC)
360 iface = 1;
361 else
362 iface = 0;
363 break;
364 default:
365 return;
366 }
367
368 /* Find the version of the currently selected configuration
369 * with the nearest sample rate. */
370 cfg = wm8996->retune_mobile_cfg[block];
371 best = 0;
372 best_val = INT_MAX;
373 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
374 if (strcmp(pdata->retune_mobile_cfgs[i].name,
375 wm8996->retune_mobile_texts[cfg]) == 0 &&
376 abs(pdata->retune_mobile_cfgs[i].rate
377 - wm8996->rx_rate[iface]) < best_val) {
378 best = i;
379 best_val = abs(pdata->retune_mobile_cfgs[i].rate
380 - wm8996->rx_rate[iface]);
381 }
382 }
383
384 dev_dbg(codec->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
385 block,
386 pdata->retune_mobile_cfgs[best].name,
387 pdata->retune_mobile_cfgs[best].rate,
388 wm8996->rx_rate[iface]);
389
390 /* The EQ will be disabled while reconfiguring it, remember the
391 * current configuration.
392 */
393 save = snd_soc_read(codec, base);
394 save &= WM8996_DSP1RX_EQ_ENA;
395
396 for (i = 0; i < ARRAY_SIZE(pdata->retune_mobile_cfgs[best].regs); i++)
397 snd_soc_update_bits(codec, base + i, 0xffff,
398 pdata->retune_mobile_cfgs[best].regs[i]);
399
400 snd_soc_update_bits(codec, base, WM8996_DSP1RX_EQ_ENA, save);
401}
402
403/* Icky as hell but saves code duplication */
404static int wm8996_get_retune_mobile_block(const char *name)
405{
406 if (strcmp(name, "DSP1 EQ Mode") == 0)
407 return 0;
408 if (strcmp(name, "DSP2 EQ Mode") == 0)
409 return 1;
410 return -EINVAL;
411}
412
413static int wm8996_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
414 struct snd_ctl_elem_value *ucontrol)
415{
416 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
417 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
418 struct wm8996_pdata *pdata = &wm8996->pdata;
419 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
420 int value = ucontrol->value.enumerated.item[0];
421
422 if (block < 0)
423 return block;
424
425 if (value >= pdata->num_retune_mobile_cfgs)
426 return -EINVAL;
427
428 wm8996->retune_mobile_cfg[block] = value;
429
430 wm8996_set_retune_mobile(codec, block);
431
432 return 0;
433}
434
435static int wm8996_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
436 struct snd_ctl_elem_value *ucontrol)
437{
438 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
439 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
440 int block = wm8996_get_retune_mobile_block(kcontrol->id.name);
441
442 if (block < 0)
443 return block;
444 ucontrol->value.enumerated.item[0] = wm8996->retune_mobile_cfg[block];
445
446 return 0;
447}
448
449static const struct snd_kcontrol_new wm8996_snd_controls[] = {
450SOC_DOUBLE_R_TLV("Capture Volume", WM8996_LEFT_LINE_INPUT_VOLUME,
451 WM8996_RIGHT_LINE_INPUT_VOLUME, 0, 31, 0, inpga_tlv),
452SOC_DOUBLE_R("Capture ZC Switch", WM8996_LEFT_LINE_INPUT_VOLUME,
453 WM8996_RIGHT_LINE_INPUT_VOLUME, 5, 1, 0),
454
455SOC_DOUBLE_TLV("DAC1 Sidetone Volume", WM8996_DAC1_MIXER_VOLUMES,
456 0, 5, 24, 0, sidetone_tlv),
457SOC_DOUBLE_TLV("DAC2 Sidetone Volume", WM8996_DAC2_MIXER_VOLUMES,
458 0, 5, 24, 0, sidetone_tlv),
459SOC_SINGLE("Sidetone LPF Switch", WM8996_SIDETONE, 12, 1, 0),
460SOC_ENUM("Sidetone HPF Cut-off", sidetone_hpf),
461SOC_SINGLE("Sidetone HPF Switch", WM8996_SIDETONE, 6, 1, 0),
462
463SOC_DOUBLE_R_TLV("DSP1 Capture Volume", WM8996_DSP1_TX_LEFT_VOLUME,
464 WM8996_DSP1_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
465SOC_DOUBLE_R_TLV("DSP2 Capture Volume", WM8996_DSP2_TX_LEFT_VOLUME,
466 WM8996_DSP2_TX_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
467
468SOC_SINGLE("DSP1 Capture Notch Filter Switch", WM8996_DSP1_TX_FILTERS,
469 13, 1, 0),
470SOC_DOUBLE("DSP1 Capture HPF Switch", WM8996_DSP1_TX_FILTERS, 12, 11, 1, 0),
471SOC_ENUM("DSP1 Capture HPF Mode", dsp1tx_hpf_mode),
472SOC_ENUM("DSP1 Capture HPF Cutoff", dsp1tx_hpf_cutoff),
473
474SOC_SINGLE("DSP2 Capture Notch Filter Switch", WM8996_DSP2_TX_FILTERS,
475 13, 1, 0),
476SOC_DOUBLE("DSP2 Capture HPF Switch", WM8996_DSP2_TX_FILTERS, 12, 11, 1, 0),
477SOC_ENUM("DSP2 Capture HPF Mode", dsp2tx_hpf_mode),
478SOC_ENUM("DSP2 Capture HPF Cutoff", dsp2tx_hpf_cutoff),
479
480SOC_DOUBLE_R_TLV("DSP1 Playback Volume", WM8996_DSP1_RX_LEFT_VOLUME,
481 WM8996_DSP1_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
482SOC_SINGLE("DSP1 Playback Switch", WM8996_DSP1_RX_FILTERS_1, 9, 1, 1),
483
484SOC_DOUBLE_R_TLV("DSP2 Playback Volume", WM8996_DSP2_RX_LEFT_VOLUME,
485 WM8996_DSP2_RX_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
486SOC_SINGLE("DSP2 Playback Switch", WM8996_DSP2_RX_FILTERS_1, 9, 1, 1),
487
488SOC_DOUBLE_R_TLV("DAC1 Volume", WM8996_DAC1_LEFT_VOLUME,
489 WM8996_DAC1_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
490SOC_DOUBLE_R("DAC1 Switch", WM8996_DAC1_LEFT_VOLUME,
491 WM8996_DAC1_RIGHT_VOLUME, 9, 1, 1),
492
493SOC_DOUBLE_R_TLV("DAC2 Volume", WM8996_DAC2_LEFT_VOLUME,
494 WM8996_DAC2_RIGHT_VOLUME, 1, 112, 0, digital_tlv),
495SOC_DOUBLE_R("DAC2 Switch", WM8996_DAC2_LEFT_VOLUME,
496 WM8996_DAC2_RIGHT_VOLUME, 9, 1, 1),
497
498SOC_SINGLE("Speaker High Performance Switch", WM8996_OVERSAMPLING, 3, 1, 0),
499SOC_SINGLE("DMIC High Performance Switch", WM8996_OVERSAMPLING, 2, 1, 0),
500SOC_SINGLE("ADC High Performance Switch", WM8996_OVERSAMPLING, 1, 1, 0),
501SOC_SINGLE("DAC High Performance Switch", WM8996_OVERSAMPLING, 0, 1, 0),
502
503SOC_SINGLE("DAC Soft Mute Switch", WM8996_DAC_SOFTMUTE, 1, 1, 0),
504SOC_SINGLE("DAC Slow Soft Mute Switch", WM8996_DAC_SOFTMUTE, 0, 1, 0),
505
506SOC_SINGLE("DSP1 3D Stereo Switch", WM8996_DSP1_RX_FILTERS_2, 8, 1, 0),
507SOC_SINGLE("DSP2 3D Stereo Switch", WM8996_DSP2_RX_FILTERS_2, 8, 1, 0),
508
509SOC_SINGLE_TLV("DSP1 3D Stereo Volume", WM8996_DSP1_RX_FILTERS_2, 10, 15,
510 0, threedstereo_tlv),
511SOC_SINGLE_TLV("DSP2 3D Stereo Volume", WM8996_DSP2_RX_FILTERS_2, 10, 15,
512 0, threedstereo_tlv),
513
514SOC_DOUBLE_TLV("Digital Output 1 Volume", WM8996_DAC1_HPOUT1_VOLUME, 0, 4,
515 8, 0, out_digital_tlv),
516SOC_DOUBLE_TLV("Digital Output 2 Volume", WM8996_DAC2_HPOUT2_VOLUME, 0, 4,
517 8, 0, out_digital_tlv),
518
519SOC_DOUBLE_R_TLV("Output 1 Volume", WM8996_OUTPUT1_LEFT_VOLUME,
520 WM8996_OUTPUT1_RIGHT_VOLUME, 0, 12, 0, out_tlv),
521SOC_DOUBLE_R("Output 1 ZC Switch", WM8996_OUTPUT1_LEFT_VOLUME,
522 WM8996_OUTPUT1_RIGHT_VOLUME, 7, 1, 0),
523
524SOC_DOUBLE_R_TLV("Output 2 Volume", WM8996_OUTPUT2_LEFT_VOLUME,
525 WM8996_OUTPUT2_RIGHT_VOLUME, 0, 12, 0, out_tlv),
526SOC_DOUBLE_R("Output 2 ZC Switch", WM8996_OUTPUT2_LEFT_VOLUME,
527 WM8996_OUTPUT2_RIGHT_VOLUME, 7, 1, 0),
528
529SOC_DOUBLE_TLV("Speaker Volume", WM8996_PDM_SPEAKER_VOLUME, 0, 4, 8, 0,
530 spk_tlv),
531SOC_DOUBLE_R("Speaker Switch", WM8996_LEFT_PDM_SPEAKER,
532 WM8996_RIGHT_PDM_SPEAKER, 3, 1, 1),
533SOC_DOUBLE_R("Speaker ZC Switch", WM8996_LEFT_PDM_SPEAKER,
534 WM8996_RIGHT_PDM_SPEAKER, 2, 1, 0),
535
536SOC_SINGLE("DSP1 EQ Switch", WM8996_DSP1_RX_EQ_GAINS_1, 0, 1, 0),
537SOC_SINGLE("DSP2 EQ Switch", WM8996_DSP2_RX_EQ_GAINS_1, 0, 1, 0),
538
539SOC_SINGLE("DSP1 DRC TXL Switch", WM8996_DSP1_DRC_1, 0, 1, 0),
540SOC_SINGLE("DSP1 DRC TXR Switch", WM8996_DSP1_DRC_1, 1, 1, 0),
541SOC_SINGLE("DSP1 DRC RX Switch", WM8996_DSP1_DRC_1, 2, 1, 0),
542SND_SOC_BYTES_MASK("DSP1 DRC", WM8996_DSP1_DRC_1, 5,
543 WM8996_DSP1RX_DRC_ENA | WM8996_DSP1TXL_DRC_ENA |
544 WM8996_DSP1TXR_DRC_ENA),
545
546SOC_SINGLE("DSP2 DRC TXL Switch", WM8996_DSP2_DRC_1, 0, 1, 0),
547SOC_SINGLE("DSP2 DRC TXR Switch", WM8996_DSP2_DRC_1, 1, 1, 0),
548SOC_SINGLE("DSP2 DRC RX Switch", WM8996_DSP2_DRC_1, 2, 1, 0),
549SND_SOC_BYTES_MASK("DSP2 DRC", WM8996_DSP2_DRC_1, 5,
550 WM8996_DSP2RX_DRC_ENA | WM8996_DSP2TXL_DRC_ENA |
551 WM8996_DSP2TXR_DRC_ENA),
552};
553
554static const struct snd_kcontrol_new wm8996_eq_controls[] = {
555SOC_SINGLE_TLV("DSP1 EQ B1 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 11, 31, 0,
556 eq_tlv),
557SOC_SINGLE_TLV("DSP1 EQ B2 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 6, 31, 0,
558 eq_tlv),
559SOC_SINGLE_TLV("DSP1 EQ B3 Volume", WM8996_DSP1_RX_EQ_GAINS_1, 1, 31, 0,
560 eq_tlv),
561SOC_SINGLE_TLV("DSP1 EQ B4 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 11, 31, 0,
562 eq_tlv),
563SOC_SINGLE_TLV("DSP1 EQ B5 Volume", WM8996_DSP1_RX_EQ_GAINS_2, 6, 31, 0,
564 eq_tlv),
565
566SOC_SINGLE_TLV("DSP2 EQ B1 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 11, 31, 0,
567 eq_tlv),
568SOC_SINGLE_TLV("DSP2 EQ B2 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 6, 31, 0,
569 eq_tlv),
570SOC_SINGLE_TLV("DSP2 EQ B3 Volume", WM8996_DSP2_RX_EQ_GAINS_1, 1, 31, 0,
571 eq_tlv),
572SOC_SINGLE_TLV("DSP2 EQ B4 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 11, 31, 0,
573 eq_tlv),
574SOC_SINGLE_TLV("DSP2 EQ B5 Volume", WM8996_DSP2_RX_EQ_GAINS_2, 6, 31, 0,
575 eq_tlv),
576};
577
578static void wm8996_bg_enable(struct snd_soc_codec *codec)
579{
580 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
581
582 wm8996->bg_ena++;
583 if (wm8996->bg_ena == 1) {
584 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
585 WM8996_BG_ENA, WM8996_BG_ENA);
586 msleep(2);
587 }
588}
589
590static void wm8996_bg_disable(struct snd_soc_codec *codec)
591{
592 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
593
594 wm8996->bg_ena--;
595 if (!wm8996->bg_ena)
596 snd_soc_update_bits(codec, WM8996_POWER_MANAGEMENT_1,
597 WM8996_BG_ENA, 0);
598}
599
600static int bg_event(struct snd_soc_dapm_widget *w,
601 struct snd_kcontrol *kcontrol, int event)
602{
603 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
604 int ret = 0;
605
606 switch (event) {
607 case SND_SOC_DAPM_PRE_PMU:
608 wm8996_bg_enable(codec);
609 break;
610 case SND_SOC_DAPM_POST_PMD:
611 wm8996_bg_disable(codec);
612 break;
613 default:
614 WARN(1, "Invalid event %d\n", event);
615 ret = -EINVAL;
616 }
617
618 return ret;
619}
620
621static int cp_event(struct snd_soc_dapm_widget *w,
622 struct snd_kcontrol *kcontrol, int event)
623{
624 switch (event) {
625 case SND_SOC_DAPM_POST_PMU:
626 msleep(5);
627 break;
628 default:
629 WARN(1, "Invalid event %d\n", event);
630 }
631
632 return 0;
633}
634
635static int rmv_short_event(struct snd_soc_dapm_widget *w,
636 struct snd_kcontrol *kcontrol, int event)
637{
638 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
639 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
640
641 /* Record which outputs we enabled */
642 switch (event) {
643 case SND_SOC_DAPM_PRE_PMD:
644 wm8996->hpout_pending &= ~w->shift;
645 break;
646 case SND_SOC_DAPM_PRE_PMU:
647 wm8996->hpout_pending |= w->shift;
648 break;
649 default:
650 WARN(1, "Invalid event %d\n", event);
651 return -EINVAL;
652 }
653
654 return 0;
655}
656
657static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
658{
659 struct i2c_client *i2c = to_i2c_client(codec->dev);
660 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
661 int ret;
662 unsigned long timeout = 200;
663
664 snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
665
666 /* Use the interrupt if possible */
667 do {
668 if (i2c->irq) {
669 timeout = wait_for_completion_timeout(&wm8996->dcs_done,
670 msecs_to_jiffies(200));
671 if (timeout == 0)
672 dev_err(codec->dev, "DC servo timed out\n");
673
674 } else {
675 msleep(1);
676 timeout--;
677 }
678
679 ret = snd_soc_read(codec, WM8996_DC_SERVO_2);
680 dev_dbg(codec->dev, "DC servo state: %x\n", ret);
681 } while (timeout && ret & mask);
682
683 if (timeout == 0)
684 dev_err(codec->dev, "DC servo timed out for %x\n", mask);
685 else
686 dev_dbg(codec->dev, "DC servo complete for %x\n", mask);
687}
688
689static void wm8996_seq_notifier(struct snd_soc_dapm_context *dapm,
690 enum snd_soc_dapm_type event, int subseq)
691{
692 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
693 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
694 u16 val, mask;
695
696 /* Complete any pending DC servo starts */
697 if (wm8996->dcs_pending) {
698 dev_dbg(codec->dev, "Starting DC servo for %x\n",
699 wm8996->dcs_pending);
700
701 /* Trigger a startup sequence */
702 wait_for_dc_servo(codec, wm8996->dcs_pending
703 << WM8996_DCS_TRIG_STARTUP_0_SHIFT);
704
705 wm8996->dcs_pending = 0;
706 }
707
708 if (wm8996->hpout_pending != wm8996->hpout_ena) {
709 dev_dbg(codec->dev, "Applying RMV_SHORTs %x->%x\n",
710 wm8996->hpout_ena, wm8996->hpout_pending);
711
712 val = 0;
713 mask = 0;
714 if (wm8996->hpout_pending & HPOUT1L) {
715 val |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
716 mask |= WM8996_HPOUT1L_RMV_SHORT | WM8996_HPOUT1L_OUTP;
717 } else {
718 mask |= WM8996_HPOUT1L_RMV_SHORT |
719 WM8996_HPOUT1L_OUTP |
720 WM8996_HPOUT1L_DLY;
721 }
722
723 if (wm8996->hpout_pending & HPOUT1R) {
724 val |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
725 mask |= WM8996_HPOUT1R_RMV_SHORT | WM8996_HPOUT1R_OUTP;
726 } else {
727 mask |= WM8996_HPOUT1R_RMV_SHORT |
728 WM8996_HPOUT1R_OUTP |
729 WM8996_HPOUT1R_DLY;
730 }
731
732 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1, mask, val);
733
734 val = 0;
735 mask = 0;
736 if (wm8996->hpout_pending & HPOUT2L) {
737 val |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
738 mask |= WM8996_HPOUT2L_RMV_SHORT | WM8996_HPOUT2L_OUTP;
739 } else {
740 mask |= WM8996_HPOUT2L_RMV_SHORT |
741 WM8996_HPOUT2L_OUTP |
742 WM8996_HPOUT2L_DLY;
743 }
744
745 if (wm8996->hpout_pending & HPOUT2R) {
746 val |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
747 mask |= WM8996_HPOUT2R_RMV_SHORT | WM8996_HPOUT2R_OUTP;
748 } else {
749 mask |= WM8996_HPOUT2R_RMV_SHORT |
750 WM8996_HPOUT2R_OUTP |
751 WM8996_HPOUT2R_DLY;
752 }
753
754 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_2, mask, val);
755
756 wm8996->hpout_ena = wm8996->hpout_pending;
757 }
758}
759
760static int dcs_start(struct snd_soc_dapm_widget *w,
761 struct snd_kcontrol *kcontrol, int event)
762{
763 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
764 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
765
766 switch (event) {
767 case SND_SOC_DAPM_POST_PMU:
768 wm8996->dcs_pending |= 1 << w->shift;
769 break;
770 default:
771 WARN(1, "Invalid event %d\n", event);
772 return -EINVAL;
773 }
774
775 return 0;
776}
777
778static const char *sidetone_text[] = {
779 "IN1", "IN2",
780};
781
782static SOC_ENUM_SINGLE_DECL(left_sidetone_enum,
783 WM8996_SIDETONE, 0, sidetone_text);
784
785static const struct snd_kcontrol_new left_sidetone =
786 SOC_DAPM_ENUM("Left Sidetone", left_sidetone_enum);
787
788static SOC_ENUM_SINGLE_DECL(right_sidetone_enum,
789 WM8996_SIDETONE, 1, sidetone_text);
790
791static const struct snd_kcontrol_new right_sidetone =
792 SOC_DAPM_ENUM("Right Sidetone", right_sidetone_enum);
793
794static const char *spk_text[] = {
795 "DAC1L", "DAC1R", "DAC2L", "DAC2R"
796};
797
798static SOC_ENUM_SINGLE_DECL(spkl_enum,
799 WM8996_LEFT_PDM_SPEAKER, 0, spk_text);
800
801static const struct snd_kcontrol_new spkl_mux =
802 SOC_DAPM_ENUM("SPKL", spkl_enum);
803
804static SOC_ENUM_SINGLE_DECL(spkr_enum,
805 WM8996_RIGHT_PDM_SPEAKER, 0, spk_text);
806
807static const struct snd_kcontrol_new spkr_mux =
808 SOC_DAPM_ENUM("SPKR", spkr_enum);
809
810static const char *dsp1rx_text[] = {
811 "AIF1", "AIF2"
812};
813
814static SOC_ENUM_SINGLE_DECL(dsp1rx_enum,
815 WM8996_POWER_MANAGEMENT_8, 0, dsp1rx_text);
816
817static const struct snd_kcontrol_new dsp1rx =
818 SOC_DAPM_ENUM("DSP1RX", dsp1rx_enum);
819
820static const char *dsp2rx_text[] = {
821 "AIF2", "AIF1"
822};
823
824static SOC_ENUM_SINGLE_DECL(dsp2rx_enum,
825 WM8996_POWER_MANAGEMENT_8, 4, dsp2rx_text);
826
827static const struct snd_kcontrol_new dsp2rx =
828 SOC_DAPM_ENUM("DSP2RX", dsp2rx_enum);
829
830static const char *aif2tx_text[] = {
831 "DSP2", "DSP1", "AIF1"
832};
833
834static SOC_ENUM_SINGLE_DECL(aif2tx_enum,
835 WM8996_POWER_MANAGEMENT_8, 6, aif2tx_text);
836
837static const struct snd_kcontrol_new aif2tx =
838 SOC_DAPM_ENUM("AIF2TX", aif2tx_enum);
839
840static const char *inmux_text[] = {
841 "ADC", "DMIC1", "DMIC2"
842};
843
844static SOC_ENUM_SINGLE_DECL(in1_enum,
845 WM8996_POWER_MANAGEMENT_7, 0, inmux_text);
846
847static const struct snd_kcontrol_new in1_mux =
848 SOC_DAPM_ENUM("IN1 Mux", in1_enum);
849
850static SOC_ENUM_SINGLE_DECL(in2_enum,
851 WM8996_POWER_MANAGEMENT_7, 4, inmux_text);
852
853static const struct snd_kcontrol_new in2_mux =
854 SOC_DAPM_ENUM("IN2 Mux", in2_enum);
855
856static const struct snd_kcontrol_new dac2r_mix[] = {
857SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
858 5, 1, 0),
859SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING,
860 4, 1, 0),
861SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 1, 1, 0),
862SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_RIGHT_MIXER_ROUTING, 0, 1, 0),
863};
864
865static const struct snd_kcontrol_new dac2l_mix[] = {
866SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
867 5, 1, 0),
868SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC2_LEFT_MIXER_ROUTING,
869 4, 1, 0),
870SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 1, 1, 0),
871SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC2_LEFT_MIXER_ROUTING, 0, 1, 0),
872};
873
874static const struct snd_kcontrol_new dac1r_mix[] = {
875SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
876 5, 1, 0),
877SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING,
878 4, 1, 0),
879SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 1, 1, 0),
880SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_RIGHT_MIXER_ROUTING, 0, 1, 0),
881};
882
883static const struct snd_kcontrol_new dac1l_mix[] = {
884SOC_DAPM_SINGLE("Right Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
885 5, 1, 0),
886SOC_DAPM_SINGLE("Left Sidetone Switch", WM8996_DAC1_LEFT_MIXER_ROUTING,
887 4, 1, 0),
888SOC_DAPM_SINGLE("DSP2 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 1, 1, 0),
889SOC_DAPM_SINGLE("DSP1 Switch", WM8996_DAC1_LEFT_MIXER_ROUTING, 0, 1, 0),
890};
891
892static const struct snd_kcontrol_new dsp1txl[] = {
893SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
894 1, 1, 0),
895SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_LEFT_MIXER_ROUTING,
896 0, 1, 0),
897};
898
899static const struct snd_kcontrol_new dsp1txr[] = {
900SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
901 1, 1, 0),
902SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP1_TX_RIGHT_MIXER_ROUTING,
903 0, 1, 0),
904};
905
906static const struct snd_kcontrol_new dsp2txl[] = {
907SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
908 1, 1, 0),
909SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_LEFT_MIXER_ROUTING,
910 0, 1, 0),
911};
912
913static const struct snd_kcontrol_new dsp2txr[] = {
914SOC_DAPM_SINGLE("IN1 Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
915 1, 1, 0),
916SOC_DAPM_SINGLE("DAC Switch", WM8996_DSP2_TX_RIGHT_MIXER_ROUTING,
917 0, 1, 0),
918};
919
920
921static const struct snd_soc_dapm_widget wm8996_dapm_widgets[] = {
922SND_SOC_DAPM_INPUT("IN1LN"),
923SND_SOC_DAPM_INPUT("IN1LP"),
924SND_SOC_DAPM_INPUT("IN1RN"),
925SND_SOC_DAPM_INPUT("IN1RP"),
926
927SND_SOC_DAPM_INPUT("IN2LN"),
928SND_SOC_DAPM_INPUT("IN2LP"),
929SND_SOC_DAPM_INPUT("IN2RN"),
930SND_SOC_DAPM_INPUT("IN2RP"),
931
932SND_SOC_DAPM_INPUT("DMIC1DAT"),
933SND_SOC_DAPM_INPUT("DMIC2DAT"),
934
935SND_SOC_DAPM_REGULATOR_SUPPLY("CPVDD", 20, 0),
936SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, WM8996_AIF_CLOCKING_1, 0, 0, NULL, 0),
937SND_SOC_DAPM_SUPPLY_S("SYSDSPCLK", 2, WM8996_CLOCKING_1, 1, 0, NULL, 0),
938SND_SOC_DAPM_SUPPLY_S("AIFCLK", 2, WM8996_CLOCKING_1, 2, 0, NULL, 0),
939SND_SOC_DAPM_SUPPLY_S("Charge Pump", 2, WM8996_CHARGE_PUMP_1, 15, 0, cp_event,
940 SND_SOC_DAPM_POST_PMU),
941SND_SOC_DAPM_SUPPLY("Bandgap", SND_SOC_NOPM, 0, 0, bg_event,
942 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
943SND_SOC_DAPM_SUPPLY("LDO2", WM8996_POWER_MANAGEMENT_2, 1, 0, NULL, 0),
944SND_SOC_DAPM_SUPPLY("MICB1 Audio", WM8996_MICBIAS_1, 4, 1, NULL, 0),
945SND_SOC_DAPM_SUPPLY("MICB2 Audio", WM8996_MICBIAS_2, 4, 1, NULL, 0),
946SND_SOC_DAPM_MICBIAS("MICB2", WM8996_POWER_MANAGEMENT_1, 9, 0),
947SND_SOC_DAPM_MICBIAS("MICB1", WM8996_POWER_MANAGEMENT_1, 8, 0),
948
949SND_SOC_DAPM_PGA("IN1L PGA", WM8996_POWER_MANAGEMENT_2, 5, 0, NULL, 0),
950SND_SOC_DAPM_PGA("IN1R PGA", WM8996_POWER_MANAGEMENT_2, 4, 0, NULL, 0),
951
952SND_SOC_DAPM_MUX("IN1L Mux", WM8996_POWER_MANAGEMENT_7, 2, 0, &in1_mux),
953SND_SOC_DAPM_MUX("IN1R Mux", WM8996_POWER_MANAGEMENT_7, 3, 0, &in1_mux),
954SND_SOC_DAPM_MUX("IN2L Mux", WM8996_POWER_MANAGEMENT_7, 6, 0, &in2_mux),
955SND_SOC_DAPM_MUX("IN2R Mux", WM8996_POWER_MANAGEMENT_7, 7, 0, &in2_mux),
956
957SND_SOC_DAPM_SUPPLY("DMIC2", WM8996_POWER_MANAGEMENT_7, 9, 0, NULL, 0),
958SND_SOC_DAPM_SUPPLY("DMIC1", WM8996_POWER_MANAGEMENT_7, 8, 0, NULL, 0),
959
960SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8996_POWER_MANAGEMENT_3, 5, 0),
961SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8996_POWER_MANAGEMENT_3, 4, 0),
962SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8996_POWER_MANAGEMENT_3, 3, 0),
963SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8996_POWER_MANAGEMENT_3, 2, 0),
964
965SND_SOC_DAPM_ADC("ADCL", NULL, WM8996_POWER_MANAGEMENT_3, 1, 0),
966SND_SOC_DAPM_ADC("ADCR", NULL, WM8996_POWER_MANAGEMENT_3, 0, 0),
967
968SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &left_sidetone),
969SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &right_sidetone),
970
971SND_SOC_DAPM_AIF_IN("DSP2RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 11, 0),
972SND_SOC_DAPM_AIF_IN("DSP2RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 10, 0),
973SND_SOC_DAPM_AIF_IN("DSP1RXL", NULL, 0, WM8996_POWER_MANAGEMENT_3, 9, 0),
974SND_SOC_DAPM_AIF_IN("DSP1RXR", NULL, 1, WM8996_POWER_MANAGEMENT_3, 8, 0),
975
976SND_SOC_DAPM_MIXER("DSP2TXL", WM8996_POWER_MANAGEMENT_5, 11, 0,
977 dsp2txl, ARRAY_SIZE(dsp2txl)),
978SND_SOC_DAPM_MIXER("DSP2TXR", WM8996_POWER_MANAGEMENT_5, 10, 0,
979 dsp2txr, ARRAY_SIZE(dsp2txr)),
980SND_SOC_DAPM_MIXER("DSP1TXL", WM8996_POWER_MANAGEMENT_5, 9, 0,
981 dsp1txl, ARRAY_SIZE(dsp1txl)),
982SND_SOC_DAPM_MIXER("DSP1TXR", WM8996_POWER_MANAGEMENT_5, 8, 0,
983 dsp1txr, ARRAY_SIZE(dsp1txr)),
984
985SND_SOC_DAPM_MIXER("DAC2L Mixer", SND_SOC_NOPM, 0, 0,
986 dac2l_mix, ARRAY_SIZE(dac2l_mix)),
987SND_SOC_DAPM_MIXER("DAC2R Mixer", SND_SOC_NOPM, 0, 0,
988 dac2r_mix, ARRAY_SIZE(dac2r_mix)),
989SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
990 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
991SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
992 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
993
994SND_SOC_DAPM_DAC("DAC2L", NULL, WM8996_POWER_MANAGEMENT_5, 3, 0),
995SND_SOC_DAPM_DAC("DAC2R", NULL, WM8996_POWER_MANAGEMENT_5, 2, 0),
996SND_SOC_DAPM_DAC("DAC1L", NULL, WM8996_POWER_MANAGEMENT_5, 1, 0),
997SND_SOC_DAPM_DAC("DAC1R", NULL, WM8996_POWER_MANAGEMENT_5, 0, 0),
998
999SND_SOC_DAPM_AIF_IN("AIF2RX1", NULL, 0, WM8996_POWER_MANAGEMENT_4, 9, 0),
1000SND_SOC_DAPM_AIF_IN("AIF2RX0", NULL, 1, WM8996_POWER_MANAGEMENT_4, 8, 0),
1001
1002SND_SOC_DAPM_AIF_OUT("AIF2TX1", NULL, 0, WM8996_POWER_MANAGEMENT_6, 9, 0),
1003SND_SOC_DAPM_AIF_OUT("AIF2TX0", NULL, 1, WM8996_POWER_MANAGEMENT_6, 8, 0),
1004
1005SND_SOC_DAPM_AIF_IN("AIF1RX5", NULL, 5, WM8996_POWER_MANAGEMENT_4, 5, 0),
1006SND_SOC_DAPM_AIF_IN("AIF1RX4", NULL, 4, WM8996_POWER_MANAGEMENT_4, 4, 0),
1007SND_SOC_DAPM_AIF_IN("AIF1RX3", NULL, 3, WM8996_POWER_MANAGEMENT_4, 3, 0),
1008SND_SOC_DAPM_AIF_IN("AIF1RX2", NULL, 2, WM8996_POWER_MANAGEMENT_4, 2, 0),
1009SND_SOC_DAPM_AIF_IN("AIF1RX1", NULL, 1, WM8996_POWER_MANAGEMENT_4, 1, 0),
1010SND_SOC_DAPM_AIF_IN("AIF1RX0", NULL, 0, WM8996_POWER_MANAGEMENT_4, 0, 0),
1011
1012SND_SOC_DAPM_AIF_OUT("AIF1TX5", NULL, 5, WM8996_POWER_MANAGEMENT_6, 5, 0),
1013SND_SOC_DAPM_AIF_OUT("AIF1TX4", NULL, 4, WM8996_POWER_MANAGEMENT_6, 4, 0),
1014SND_SOC_DAPM_AIF_OUT("AIF1TX3", NULL, 3, WM8996_POWER_MANAGEMENT_6, 3, 0),
1015SND_SOC_DAPM_AIF_OUT("AIF1TX2", NULL, 2, WM8996_POWER_MANAGEMENT_6, 2, 0),
1016SND_SOC_DAPM_AIF_OUT("AIF1TX1", NULL, 1, WM8996_POWER_MANAGEMENT_6, 1, 0),
1017SND_SOC_DAPM_AIF_OUT("AIF1TX0", NULL, 0, WM8996_POWER_MANAGEMENT_6, 0, 0),
1018
1019/* We route as stereo pairs so define some dummy widgets to squash
1020 * things down for now. RXA = 0,1, RXB = 2,3 and so on */
1021SND_SOC_DAPM_PGA("AIF1RXA", SND_SOC_NOPM, 0, 0, NULL, 0),
1022SND_SOC_DAPM_PGA("AIF1RXB", SND_SOC_NOPM, 0, 0, NULL, 0),
1023SND_SOC_DAPM_PGA("AIF1RXC", SND_SOC_NOPM, 0, 0, NULL, 0),
1024SND_SOC_DAPM_PGA("AIF2RX", SND_SOC_NOPM, 0, 0, NULL, 0),
1025SND_SOC_DAPM_PGA("DSP2TX", SND_SOC_NOPM, 0, 0, NULL, 0),
1026
1027SND_SOC_DAPM_MUX("DSP1RX", SND_SOC_NOPM, 0, 0, &dsp1rx),
1028SND_SOC_DAPM_MUX("DSP2RX", SND_SOC_NOPM, 0, 0, &dsp2rx),
1029SND_SOC_DAPM_MUX("AIF2TX", SND_SOC_NOPM, 0, 0, &aif2tx),
1030
1031SND_SOC_DAPM_MUX("SPKL", SND_SOC_NOPM, 0, 0, &spkl_mux),
1032SND_SOC_DAPM_MUX("SPKR", SND_SOC_NOPM, 0, 0, &spkr_mux),
1033SND_SOC_DAPM_PGA("SPKL PGA", WM8996_LEFT_PDM_SPEAKER, 4, 0, NULL, 0),
1034SND_SOC_DAPM_PGA("SPKR PGA", WM8996_RIGHT_PDM_SPEAKER, 4, 0, NULL, 0),
1035
1036SND_SOC_DAPM_PGA_S("HPOUT2L PGA", 0, WM8996_POWER_MANAGEMENT_1, 7, 0, NULL, 0),
1037SND_SOC_DAPM_PGA_S("HPOUT2L_DLY", 1, WM8996_ANALOGUE_HP_2, 5, 0, NULL, 0),
1038SND_SOC_DAPM_PGA_S("HPOUT2L_DCS", 2, WM8996_DC_SERVO_1, 2, 0, dcs_start,
1039 SND_SOC_DAPM_POST_PMU),
1040SND_SOC_DAPM_PGA_S("HPOUT2L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2L, 0,
1041 rmv_short_event,
1042 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1043
1044SND_SOC_DAPM_PGA_S("HPOUT2R PGA", 0, WM8996_POWER_MANAGEMENT_1, 6, 0,NULL, 0),
1045SND_SOC_DAPM_PGA_S("HPOUT2R_DLY", 1, WM8996_ANALOGUE_HP_2, 1, 0, NULL, 0),
1046SND_SOC_DAPM_PGA_S("HPOUT2R_DCS", 2, WM8996_DC_SERVO_1, 3, 0, dcs_start,
1047 SND_SOC_DAPM_POST_PMU),
1048SND_SOC_DAPM_PGA_S("HPOUT2R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT2R, 0,
1049 rmv_short_event,
1050 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1051
1052SND_SOC_DAPM_PGA_S("HPOUT1L PGA", 0, WM8996_POWER_MANAGEMENT_1, 5, 0, NULL, 0),
1053SND_SOC_DAPM_PGA_S("HPOUT1L_DLY", 1, WM8996_ANALOGUE_HP_1, 5, 0, NULL, 0),
1054SND_SOC_DAPM_PGA_S("HPOUT1L_DCS", 2, WM8996_DC_SERVO_1, 0, 0, dcs_start,
1055 SND_SOC_DAPM_POST_PMU),
1056SND_SOC_DAPM_PGA_S("HPOUT1L_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1L, 0,
1057 rmv_short_event,
1058 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1059
1060SND_SOC_DAPM_PGA_S("HPOUT1R PGA", 0, WM8996_POWER_MANAGEMENT_1, 4, 0, NULL, 0),
1061SND_SOC_DAPM_PGA_S("HPOUT1R_DLY", 1, WM8996_ANALOGUE_HP_1, 1, 0, NULL, 0),
1062SND_SOC_DAPM_PGA_S("HPOUT1R_DCS", 2, WM8996_DC_SERVO_1, 1, 0, dcs_start,
1063 SND_SOC_DAPM_POST_PMU),
1064SND_SOC_DAPM_PGA_S("HPOUT1R_RMV_SHORT", 3, SND_SOC_NOPM, HPOUT1R, 0,
1065 rmv_short_event,
1066 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1067
1068SND_SOC_DAPM_OUTPUT("HPOUT1L"),
1069SND_SOC_DAPM_OUTPUT("HPOUT1R"),
1070SND_SOC_DAPM_OUTPUT("HPOUT2L"),
1071SND_SOC_DAPM_OUTPUT("HPOUT2R"),
1072SND_SOC_DAPM_OUTPUT("SPKDAT"),
1073};
1074
1075static const struct snd_soc_dapm_route wm8996_dapm_routes[] = {
1076 { "AIFCLK", NULL, "SYSCLK" },
1077 { "SYSDSPCLK", NULL, "SYSCLK" },
1078 { "Charge Pump", NULL, "SYSCLK" },
1079 { "Charge Pump", NULL, "CPVDD" },
1080
1081 { "MICB1", NULL, "LDO2" },
1082 { "MICB1", NULL, "MICB1 Audio" },
1083 { "MICB1", NULL, "Bandgap" },
1084 { "MICB2", NULL, "LDO2" },
1085 { "MICB2", NULL, "MICB2 Audio" },
1086 { "MICB2", NULL, "Bandgap" },
1087
1088 { "AIF1RX0", NULL, "AIF1 Playback" },
1089 { "AIF1RX1", NULL, "AIF1 Playback" },
1090 { "AIF1RX2", NULL, "AIF1 Playback" },
1091 { "AIF1RX3", NULL, "AIF1 Playback" },
1092 { "AIF1RX4", NULL, "AIF1 Playback" },
1093 { "AIF1RX5", NULL, "AIF1 Playback" },
1094
1095 { "AIF2RX0", NULL, "AIF2 Playback" },
1096 { "AIF2RX1", NULL, "AIF2 Playback" },
1097
1098 { "AIF1 Capture", NULL, "AIF1TX0" },
1099 { "AIF1 Capture", NULL, "AIF1TX1" },
1100 { "AIF1 Capture", NULL, "AIF1TX2" },
1101 { "AIF1 Capture", NULL, "AIF1TX3" },
1102 { "AIF1 Capture", NULL, "AIF1TX4" },
1103 { "AIF1 Capture", NULL, "AIF1TX5" },
1104
1105 { "AIF2 Capture", NULL, "AIF2TX0" },
1106 { "AIF2 Capture", NULL, "AIF2TX1" },
1107
1108 { "IN1L PGA", NULL, "IN2LN" },
1109 { "IN1L PGA", NULL, "IN2LP" },
1110 { "IN1L PGA", NULL, "IN1LN" },
1111 { "IN1L PGA", NULL, "IN1LP" },
1112 { "IN1L PGA", NULL, "Bandgap" },
1113
1114 { "IN1R PGA", NULL, "IN2RN" },
1115 { "IN1R PGA", NULL, "IN2RP" },
1116 { "IN1R PGA", NULL, "IN1RN" },
1117 { "IN1R PGA", NULL, "IN1RP" },
1118 { "IN1R PGA", NULL, "Bandgap" },
1119
1120 { "ADCL", NULL, "IN1L PGA" },
1121
1122 { "ADCR", NULL, "IN1R PGA" },
1123
1124 { "DMIC1L", NULL, "DMIC1DAT" },
1125 { "DMIC1R", NULL, "DMIC1DAT" },
1126 { "DMIC2L", NULL, "DMIC2DAT" },
1127 { "DMIC2R", NULL, "DMIC2DAT" },
1128
1129 { "DMIC2L", NULL, "DMIC2" },
1130 { "DMIC2R", NULL, "DMIC2" },
1131 { "DMIC1L", NULL, "DMIC1" },
1132 { "DMIC1R", NULL, "DMIC1" },
1133
1134 { "IN1L Mux", "ADC", "ADCL" },
1135 { "IN1L Mux", "DMIC1", "DMIC1L" },
1136 { "IN1L Mux", "DMIC2", "DMIC2L" },
1137
1138 { "IN1R Mux", "ADC", "ADCR" },
1139 { "IN1R Mux", "DMIC1", "DMIC1R" },
1140 { "IN1R Mux", "DMIC2", "DMIC2R" },
1141
1142 { "IN2L Mux", "ADC", "ADCL" },
1143 { "IN2L Mux", "DMIC1", "DMIC1L" },
1144 { "IN2L Mux", "DMIC2", "DMIC2L" },
1145
1146 { "IN2R Mux", "ADC", "ADCR" },
1147 { "IN2R Mux", "DMIC1", "DMIC1R" },
1148 { "IN2R Mux", "DMIC2", "DMIC2R" },
1149
1150 { "Left Sidetone", "IN1", "IN1L Mux" },
1151 { "Left Sidetone", "IN2", "IN2L Mux" },
1152
1153 { "Right Sidetone", "IN1", "IN1R Mux" },
1154 { "Right Sidetone", "IN2", "IN2R Mux" },
1155
1156 { "DSP1TXL", "IN1 Switch", "IN1L Mux" },
1157 { "DSP1TXR", "IN1 Switch", "IN1R Mux" },
1158
1159 { "DSP2TXL", "IN1 Switch", "IN2L Mux" },
1160 { "DSP2TXR", "IN1 Switch", "IN2R Mux" },
1161
1162 { "AIF1TX0", NULL, "DSP1TXL" },
1163 { "AIF1TX1", NULL, "DSP1TXR" },
1164 { "AIF1TX2", NULL, "DSP2TXL" },
1165 { "AIF1TX3", NULL, "DSP2TXR" },
1166 { "AIF1TX4", NULL, "AIF2RX0" },
1167 { "AIF1TX5", NULL, "AIF2RX1" },
1168
1169 { "AIF1RX0", NULL, "AIFCLK" },
1170 { "AIF1RX1", NULL, "AIFCLK" },
1171 { "AIF1RX2", NULL, "AIFCLK" },
1172 { "AIF1RX3", NULL, "AIFCLK" },
1173 { "AIF1RX4", NULL, "AIFCLK" },
1174 { "AIF1RX5", NULL, "AIFCLK" },
1175
1176 { "AIF2RX0", NULL, "AIFCLK" },
1177 { "AIF2RX1", NULL, "AIFCLK" },
1178
1179 { "AIF1TX0", NULL, "AIFCLK" },
1180 { "AIF1TX1", NULL, "AIFCLK" },
1181 { "AIF1TX2", NULL, "AIFCLK" },
1182 { "AIF1TX3", NULL, "AIFCLK" },
1183 { "AIF1TX4", NULL, "AIFCLK" },
1184 { "AIF1TX5", NULL, "AIFCLK" },
1185
1186 { "AIF2TX0", NULL, "AIFCLK" },
1187 { "AIF2TX1", NULL, "AIFCLK" },
1188
1189 { "DSP1RXL", NULL, "SYSDSPCLK" },
1190 { "DSP1RXR", NULL, "SYSDSPCLK" },
1191 { "DSP2RXL", NULL, "SYSDSPCLK" },
1192 { "DSP2RXR", NULL, "SYSDSPCLK" },
1193 { "DSP1TXL", NULL, "SYSDSPCLK" },
1194 { "DSP1TXR", NULL, "SYSDSPCLK" },
1195 { "DSP2TXL", NULL, "SYSDSPCLK" },
1196 { "DSP2TXR", NULL, "SYSDSPCLK" },
1197
1198 { "AIF1RXA", NULL, "AIF1RX0" },
1199 { "AIF1RXA", NULL, "AIF1RX1" },
1200 { "AIF1RXB", NULL, "AIF1RX2" },
1201 { "AIF1RXB", NULL, "AIF1RX3" },
1202 { "AIF1RXC", NULL, "AIF1RX4" },
1203 { "AIF1RXC", NULL, "AIF1RX5" },
1204
1205 { "AIF2RX", NULL, "AIF2RX0" },
1206 { "AIF2RX", NULL, "AIF2RX1" },
1207
1208 { "AIF2TX", "DSP2", "DSP2TX" },
1209 { "AIF2TX", "DSP1", "DSP1RX" },
1210 { "AIF2TX", "AIF1", "AIF1RXC" },
1211
1212 { "DSP1RXL", NULL, "DSP1RX" },
1213 { "DSP1RXR", NULL, "DSP1RX" },
1214 { "DSP2RXL", NULL, "DSP2RX" },
1215 { "DSP2RXR", NULL, "DSP2RX" },
1216
1217 { "DSP2TX", NULL, "DSP2TXL" },
1218 { "DSP2TX", NULL, "DSP2TXR" },
1219
1220 { "DSP1RX", "AIF1", "AIF1RXA" },
1221 { "DSP1RX", "AIF2", "AIF2RX" },
1222
1223 { "DSP2RX", "AIF1", "AIF1RXB" },
1224 { "DSP2RX", "AIF2", "AIF2RX" },
1225
1226 { "DAC2L Mixer", "DSP2 Switch", "DSP2RXL" },
1227 { "DAC2L Mixer", "DSP1 Switch", "DSP1RXL" },
1228 { "DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1229 { "DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1230
1231 { "DAC2R Mixer", "DSP2 Switch", "DSP2RXR" },
1232 { "DAC2R Mixer", "DSP1 Switch", "DSP1RXR" },
1233 { "DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1234 { "DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1235
1236 { "DAC1L Mixer", "DSP2 Switch", "DSP2RXL" },
1237 { "DAC1L Mixer", "DSP1 Switch", "DSP1RXL" },
1238 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1239 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1240
1241 { "DAC1R Mixer", "DSP2 Switch", "DSP2RXR" },
1242 { "DAC1R Mixer", "DSP1 Switch", "DSP1RXR" },
1243 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1244 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1245
1246 { "DAC1L", NULL, "DAC1L Mixer" },
1247 { "DAC1R", NULL, "DAC1R Mixer" },
1248 { "DAC2L", NULL, "DAC2L Mixer" },
1249 { "DAC2R", NULL, "DAC2R Mixer" },
1250
1251 { "HPOUT2L PGA", NULL, "Charge Pump" },
1252 { "HPOUT2L PGA", NULL, "Bandgap" },
1253 { "HPOUT2L PGA", NULL, "DAC2L" },
1254 { "HPOUT2L_DLY", NULL, "HPOUT2L PGA" },
1255 { "HPOUT2L_DCS", NULL, "HPOUT2L_DLY" },
1256 { "HPOUT2L_RMV_SHORT", NULL, "HPOUT2L_DCS" },
1257
1258 { "HPOUT2R PGA", NULL, "Charge Pump" },
1259 { "HPOUT2R PGA", NULL, "Bandgap" },
1260 { "HPOUT2R PGA", NULL, "DAC2R" },
1261 { "HPOUT2R_DLY", NULL, "HPOUT2R PGA" },
1262 { "HPOUT2R_DCS", NULL, "HPOUT2R_DLY" },
1263 { "HPOUT2R_RMV_SHORT", NULL, "HPOUT2R_DCS" },
1264
1265 { "HPOUT1L PGA", NULL, "Charge Pump" },
1266 { "HPOUT1L PGA", NULL, "Bandgap" },
1267 { "HPOUT1L PGA", NULL, "DAC1L" },
1268 { "HPOUT1L_DLY", NULL, "HPOUT1L PGA" },
1269 { "HPOUT1L_DCS", NULL, "HPOUT1L_DLY" },
1270 { "HPOUT1L_RMV_SHORT", NULL, "HPOUT1L_DCS" },
1271
1272 { "HPOUT1R PGA", NULL, "Charge Pump" },
1273 { "HPOUT1R PGA", NULL, "Bandgap" },
1274 { "HPOUT1R PGA", NULL, "DAC1R" },
1275 { "HPOUT1R_DLY", NULL, "HPOUT1R PGA" },
1276 { "HPOUT1R_DCS", NULL, "HPOUT1R_DLY" },
1277 { "HPOUT1R_RMV_SHORT", NULL, "HPOUT1R_DCS" },
1278
1279 { "HPOUT2L", NULL, "HPOUT2L_RMV_SHORT" },
1280 { "HPOUT2R", NULL, "HPOUT2R_RMV_SHORT" },
1281 { "HPOUT1L", NULL, "HPOUT1L_RMV_SHORT" },
1282 { "HPOUT1R", NULL, "HPOUT1R_RMV_SHORT" },
1283
1284 { "SPKL", "DAC1L", "DAC1L" },
1285 { "SPKL", "DAC1R", "DAC1R" },
1286 { "SPKL", "DAC2L", "DAC2L" },
1287 { "SPKL", "DAC2R", "DAC2R" },
1288
1289 { "SPKR", "DAC1L", "DAC1L" },
1290 { "SPKR", "DAC1R", "DAC1R" },
1291 { "SPKR", "DAC2L", "DAC2L" },
1292 { "SPKR", "DAC2R", "DAC2R" },
1293
1294 { "SPKL PGA", NULL, "SPKL" },
1295 { "SPKR PGA", NULL, "SPKR" },
1296
1297 { "SPKDAT", NULL, "SPKL PGA" },
1298 { "SPKDAT", NULL, "SPKR PGA" },
1299};
1300
1301static bool wm8996_readable_register(struct device *dev, unsigned int reg)
1302{
1303 /* Due to the sparseness of the register map the compiler
1304 * output from an explicit switch statement ends up being much
1305 * more efficient than a table.
1306 */
1307 switch (reg) {
1308 case WM8996_SOFTWARE_RESET:
1309 case WM8996_POWER_MANAGEMENT_1:
1310 case WM8996_POWER_MANAGEMENT_2:
1311 case WM8996_POWER_MANAGEMENT_3:
1312 case WM8996_POWER_MANAGEMENT_4:
1313 case WM8996_POWER_MANAGEMENT_5:
1314 case WM8996_POWER_MANAGEMENT_6:
1315 case WM8996_POWER_MANAGEMENT_7:
1316 case WM8996_POWER_MANAGEMENT_8:
1317 case WM8996_LEFT_LINE_INPUT_VOLUME:
1318 case WM8996_RIGHT_LINE_INPUT_VOLUME:
1319 case WM8996_LINE_INPUT_CONTROL:
1320 case WM8996_DAC1_HPOUT1_VOLUME:
1321 case WM8996_DAC2_HPOUT2_VOLUME:
1322 case WM8996_DAC1_LEFT_VOLUME:
1323 case WM8996_DAC1_RIGHT_VOLUME:
1324 case WM8996_DAC2_LEFT_VOLUME:
1325 case WM8996_DAC2_RIGHT_VOLUME:
1326 case WM8996_OUTPUT1_LEFT_VOLUME:
1327 case WM8996_OUTPUT1_RIGHT_VOLUME:
1328 case WM8996_OUTPUT2_LEFT_VOLUME:
1329 case WM8996_OUTPUT2_RIGHT_VOLUME:
1330 case WM8996_MICBIAS_1:
1331 case WM8996_MICBIAS_2:
1332 case WM8996_LDO_1:
1333 case WM8996_LDO_2:
1334 case WM8996_ACCESSORY_DETECT_MODE_1:
1335 case WM8996_ACCESSORY_DETECT_MODE_2:
1336 case WM8996_HEADPHONE_DETECT_1:
1337 case WM8996_HEADPHONE_DETECT_2:
1338 case WM8996_MIC_DETECT_1:
1339 case WM8996_MIC_DETECT_2:
1340 case WM8996_MIC_DETECT_3:
1341 case WM8996_CHARGE_PUMP_1:
1342 case WM8996_CHARGE_PUMP_2:
1343 case WM8996_DC_SERVO_1:
1344 case WM8996_DC_SERVO_2:
1345 case WM8996_DC_SERVO_3:
1346 case WM8996_DC_SERVO_5:
1347 case WM8996_DC_SERVO_6:
1348 case WM8996_DC_SERVO_7:
1349 case WM8996_DC_SERVO_READBACK_0:
1350 case WM8996_ANALOGUE_HP_1:
1351 case WM8996_ANALOGUE_HP_2:
1352 case WM8996_CHIP_REVISION:
1353 case WM8996_CONTROL_INTERFACE_1:
1354 case WM8996_WRITE_SEQUENCER_CTRL_1:
1355 case WM8996_WRITE_SEQUENCER_CTRL_2:
1356 case WM8996_AIF_CLOCKING_1:
1357 case WM8996_AIF_CLOCKING_2:
1358 case WM8996_CLOCKING_1:
1359 case WM8996_CLOCKING_2:
1360 case WM8996_AIF_RATE:
1361 case WM8996_FLL_CONTROL_1:
1362 case WM8996_FLL_CONTROL_2:
1363 case WM8996_FLL_CONTROL_3:
1364 case WM8996_FLL_CONTROL_4:
1365 case WM8996_FLL_CONTROL_5:
1366 case WM8996_FLL_CONTROL_6:
1367 case WM8996_FLL_EFS_1:
1368 case WM8996_FLL_EFS_2:
1369 case WM8996_AIF1_CONTROL:
1370 case WM8996_AIF1_BCLK:
1371 case WM8996_AIF1_TX_LRCLK_1:
1372 case WM8996_AIF1_TX_LRCLK_2:
1373 case WM8996_AIF1_RX_LRCLK_1:
1374 case WM8996_AIF1_RX_LRCLK_2:
1375 case WM8996_AIF1TX_DATA_CONFIGURATION_1:
1376 case WM8996_AIF1TX_DATA_CONFIGURATION_2:
1377 case WM8996_AIF1RX_DATA_CONFIGURATION:
1378 case WM8996_AIF1TX_CHANNEL_0_CONFIGURATION:
1379 case WM8996_AIF1TX_CHANNEL_1_CONFIGURATION:
1380 case WM8996_AIF1TX_CHANNEL_2_CONFIGURATION:
1381 case WM8996_AIF1TX_CHANNEL_3_CONFIGURATION:
1382 case WM8996_AIF1TX_CHANNEL_4_CONFIGURATION:
1383 case WM8996_AIF1TX_CHANNEL_5_CONFIGURATION:
1384 case WM8996_AIF1RX_CHANNEL_0_CONFIGURATION:
1385 case WM8996_AIF1RX_CHANNEL_1_CONFIGURATION:
1386 case WM8996_AIF1RX_CHANNEL_2_CONFIGURATION:
1387 case WM8996_AIF1RX_CHANNEL_3_CONFIGURATION:
1388 case WM8996_AIF1RX_CHANNEL_4_CONFIGURATION:
1389 case WM8996_AIF1RX_CHANNEL_5_CONFIGURATION:
1390 case WM8996_AIF1RX_MONO_CONFIGURATION:
1391 case WM8996_AIF1TX_TEST:
1392 case WM8996_AIF2_CONTROL:
1393 case WM8996_AIF2_BCLK:
1394 case WM8996_AIF2_TX_LRCLK_1:
1395 case WM8996_AIF2_TX_LRCLK_2:
1396 case WM8996_AIF2_RX_LRCLK_1:
1397 case WM8996_AIF2_RX_LRCLK_2:
1398 case WM8996_AIF2TX_DATA_CONFIGURATION_1:
1399 case WM8996_AIF2TX_DATA_CONFIGURATION_2:
1400 case WM8996_AIF2RX_DATA_CONFIGURATION:
1401 case WM8996_AIF2TX_CHANNEL_0_CONFIGURATION:
1402 case WM8996_AIF2TX_CHANNEL_1_CONFIGURATION:
1403 case WM8996_AIF2RX_CHANNEL_0_CONFIGURATION:
1404 case WM8996_AIF2RX_CHANNEL_1_CONFIGURATION:
1405 case WM8996_AIF2RX_MONO_CONFIGURATION:
1406 case WM8996_AIF2TX_TEST:
1407 case WM8996_DSP1_TX_LEFT_VOLUME:
1408 case WM8996_DSP1_TX_RIGHT_VOLUME:
1409 case WM8996_DSP1_RX_LEFT_VOLUME:
1410 case WM8996_DSP1_RX_RIGHT_VOLUME:
1411 case WM8996_DSP1_TX_FILTERS:
1412 case WM8996_DSP1_RX_FILTERS_1:
1413 case WM8996_DSP1_RX_FILTERS_2:
1414 case WM8996_DSP1_DRC_1:
1415 case WM8996_DSP1_DRC_2:
1416 case WM8996_DSP1_DRC_3:
1417 case WM8996_DSP1_DRC_4:
1418 case WM8996_DSP1_DRC_5:
1419 case WM8996_DSP1_RX_EQ_GAINS_1:
1420 case WM8996_DSP1_RX_EQ_GAINS_2:
1421 case WM8996_DSP1_RX_EQ_BAND_1_A:
1422 case WM8996_DSP1_RX_EQ_BAND_1_B:
1423 case WM8996_DSP1_RX_EQ_BAND_1_PG:
1424 case WM8996_DSP1_RX_EQ_BAND_2_A:
1425 case WM8996_DSP1_RX_EQ_BAND_2_B:
1426 case WM8996_DSP1_RX_EQ_BAND_2_C:
1427 case WM8996_DSP1_RX_EQ_BAND_2_PG:
1428 case WM8996_DSP1_RX_EQ_BAND_3_A:
1429 case WM8996_DSP1_RX_EQ_BAND_3_B:
1430 case WM8996_DSP1_RX_EQ_BAND_3_C:
1431 case WM8996_DSP1_RX_EQ_BAND_3_PG:
1432 case WM8996_DSP1_RX_EQ_BAND_4_A:
1433 case WM8996_DSP1_RX_EQ_BAND_4_B:
1434 case WM8996_DSP1_RX_EQ_BAND_4_C:
1435 case WM8996_DSP1_RX_EQ_BAND_4_PG:
1436 case WM8996_DSP1_RX_EQ_BAND_5_A:
1437 case WM8996_DSP1_RX_EQ_BAND_5_B:
1438 case WM8996_DSP1_RX_EQ_BAND_5_PG:
1439 case WM8996_DSP2_TX_LEFT_VOLUME:
1440 case WM8996_DSP2_TX_RIGHT_VOLUME:
1441 case WM8996_DSP2_RX_LEFT_VOLUME:
1442 case WM8996_DSP2_RX_RIGHT_VOLUME:
1443 case WM8996_DSP2_TX_FILTERS:
1444 case WM8996_DSP2_RX_FILTERS_1:
1445 case WM8996_DSP2_RX_FILTERS_2:
1446 case WM8996_DSP2_DRC_1:
1447 case WM8996_DSP2_DRC_2:
1448 case WM8996_DSP2_DRC_3:
1449 case WM8996_DSP2_DRC_4:
1450 case WM8996_DSP2_DRC_5:
1451 case WM8996_DSP2_RX_EQ_GAINS_1:
1452 case WM8996_DSP2_RX_EQ_GAINS_2:
1453 case WM8996_DSP2_RX_EQ_BAND_1_A:
1454 case WM8996_DSP2_RX_EQ_BAND_1_B:
1455 case WM8996_DSP2_RX_EQ_BAND_1_PG:
1456 case WM8996_DSP2_RX_EQ_BAND_2_A:
1457 case WM8996_DSP2_RX_EQ_BAND_2_B:
1458 case WM8996_DSP2_RX_EQ_BAND_2_C:
1459 case WM8996_DSP2_RX_EQ_BAND_2_PG:
1460 case WM8996_DSP2_RX_EQ_BAND_3_A:
1461 case WM8996_DSP2_RX_EQ_BAND_3_B:
1462 case WM8996_DSP2_RX_EQ_BAND_3_C:
1463 case WM8996_DSP2_RX_EQ_BAND_3_PG:
1464 case WM8996_DSP2_RX_EQ_BAND_4_A:
1465 case WM8996_DSP2_RX_EQ_BAND_4_B:
1466 case WM8996_DSP2_RX_EQ_BAND_4_C:
1467 case WM8996_DSP2_RX_EQ_BAND_4_PG:
1468 case WM8996_DSP2_RX_EQ_BAND_5_A:
1469 case WM8996_DSP2_RX_EQ_BAND_5_B:
1470 case WM8996_DSP2_RX_EQ_BAND_5_PG:
1471 case WM8996_DAC1_MIXER_VOLUMES:
1472 case WM8996_DAC1_LEFT_MIXER_ROUTING:
1473 case WM8996_DAC1_RIGHT_MIXER_ROUTING:
1474 case WM8996_DAC2_MIXER_VOLUMES:
1475 case WM8996_DAC2_LEFT_MIXER_ROUTING:
1476 case WM8996_DAC2_RIGHT_MIXER_ROUTING:
1477 case WM8996_DSP1_TX_LEFT_MIXER_ROUTING:
1478 case WM8996_DSP1_TX_RIGHT_MIXER_ROUTING:
1479 case WM8996_DSP2_TX_LEFT_MIXER_ROUTING:
1480 case WM8996_DSP2_TX_RIGHT_MIXER_ROUTING:
1481 case WM8996_DSP_TX_MIXER_SELECT:
1482 case WM8996_DAC_SOFTMUTE:
1483 case WM8996_OVERSAMPLING:
1484 case WM8996_SIDETONE:
1485 case WM8996_GPIO_1:
1486 case WM8996_GPIO_2:
1487 case WM8996_GPIO_3:
1488 case WM8996_GPIO_4:
1489 case WM8996_GPIO_5:
1490 case WM8996_PULL_CONTROL_1:
1491 case WM8996_PULL_CONTROL_2:
1492 case WM8996_INTERRUPT_STATUS_1:
1493 case WM8996_INTERRUPT_STATUS_2:
1494 case WM8996_INTERRUPT_RAW_STATUS_2:
1495 case WM8996_INTERRUPT_STATUS_1_MASK:
1496 case WM8996_INTERRUPT_STATUS_2_MASK:
1497 case WM8996_INTERRUPT_CONTROL:
1498 case WM8996_LEFT_PDM_SPEAKER:
1499 case WM8996_RIGHT_PDM_SPEAKER:
1500 case WM8996_PDM_SPEAKER_MUTE_SEQUENCE:
1501 case WM8996_PDM_SPEAKER_VOLUME:
1502 return 1;
1503 default:
1504 return 0;
1505 }
1506}
1507
1508static bool wm8996_volatile_register(struct device *dev, unsigned int reg)
1509{
1510 switch (reg) {
1511 case WM8996_SOFTWARE_RESET:
1512 case WM8996_CHIP_REVISION:
1513 case WM8996_LDO_1:
1514 case WM8996_LDO_2:
1515 case WM8996_INTERRUPT_STATUS_1:
1516 case WM8996_INTERRUPT_STATUS_2:
1517 case WM8996_INTERRUPT_RAW_STATUS_2:
1518 case WM8996_DC_SERVO_READBACK_0:
1519 case WM8996_DC_SERVO_2:
1520 case WM8996_DC_SERVO_6:
1521 case WM8996_DC_SERVO_7:
1522 case WM8996_FLL_CONTROL_6:
1523 case WM8996_MIC_DETECT_3:
1524 case WM8996_HEADPHONE_DETECT_1:
1525 case WM8996_HEADPHONE_DETECT_2:
1526 return 1;
1527 default:
1528 return 0;
1529 }
1530}
1531
1532static const int bclk_divs[] = {
1533 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96
1534};
1535
1536static void wm8996_update_bclk(struct snd_soc_codec *codec)
1537{
1538 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1539 int aif, best, cur_val, bclk_rate, bclk_reg, i;
1540
1541 /* Don't bother if we're in a low frequency idle mode that
1542 * can't support audio.
1543 */
1544 if (wm8996->sysclk < 64000)
1545 return;
1546
1547 for (aif = 0; aif < WM8996_AIFS; aif++) {
1548 switch (aif) {
1549 case 0:
1550 bclk_reg = WM8996_AIF1_BCLK;
1551 break;
1552 case 1:
1553 bclk_reg = WM8996_AIF2_BCLK;
1554 break;
1555 }
1556
1557 bclk_rate = wm8996->bclk_rate[aif];
1558
1559 /* Pick a divisor for BCLK as close as we can get to ideal */
1560 best = 0;
1561 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1562 cur_val = (wm8996->sysclk / bclk_divs[i]) - bclk_rate;
1563 if (cur_val < 0) /* BCLK table is sorted */
1564 break;
1565 best = i;
1566 }
1567 bclk_rate = wm8996->sysclk / bclk_divs[best];
1568 dev_dbg(codec->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
1569 bclk_divs[best], bclk_rate);
1570
1571 snd_soc_update_bits(codec, bclk_reg,
1572 WM8996_AIF1_BCLK_DIV_MASK, best);
1573 }
1574}
1575
1576static int wm8996_set_bias_level(struct snd_soc_codec *codec,
1577 enum snd_soc_bias_level level)
1578{
1579 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1580 int ret;
1581
1582 switch (level) {
1583 case SND_SOC_BIAS_ON:
1584 break;
1585 case SND_SOC_BIAS_PREPARE:
1586 /* Put the MICBIASes into regulating mode */
1587 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1588 WM8996_MICB1_MODE, 0);
1589 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1590 WM8996_MICB2_MODE, 0);
1591 break;
1592
1593 case SND_SOC_BIAS_STANDBY:
1594 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1595 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
1596 wm8996->supplies);
1597 if (ret != 0) {
1598 dev_err(codec->dev,
1599 "Failed to enable supplies: %d\n",
1600 ret);
1601 return ret;
1602 }
1603
1604 if (wm8996->pdata.ldo_ena >= 0) {
1605 gpio_set_value_cansleep(wm8996->pdata.ldo_ena,
1606 1);
1607 msleep(5);
1608 }
1609
1610 regcache_cache_only(wm8996->regmap, false);
1611 regcache_sync(wm8996->regmap);
1612 }
1613
1614 /* Bypass the MICBIASes for lowest power */
1615 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
1616 WM8996_MICB1_MODE, WM8996_MICB1_MODE);
1617 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
1618 WM8996_MICB2_MODE, WM8996_MICB2_MODE);
1619 break;
1620
1621 case SND_SOC_BIAS_OFF:
1622 regcache_cache_only(wm8996->regmap, true);
1623 if (wm8996->pdata.ldo_ena >= 0) {
1624 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
1625 regcache_cache_only(wm8996->regmap, true);
1626 }
1627 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies),
1628 wm8996->supplies);
1629 break;
1630 }
1631
1632 return 0;
1633}
1634
1635static int wm8996_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1636{
1637 struct snd_soc_codec *codec = dai->codec;
1638 int aifctrl = 0;
1639 int bclk = 0;
1640 int lrclk_tx = 0;
1641 int lrclk_rx = 0;
1642 int aifctrl_reg, bclk_reg, lrclk_tx_reg, lrclk_rx_reg;
1643
1644 switch (dai->id) {
1645 case 0:
1646 aifctrl_reg = WM8996_AIF1_CONTROL;
1647 bclk_reg = WM8996_AIF1_BCLK;
1648 lrclk_tx_reg = WM8996_AIF1_TX_LRCLK_2;
1649 lrclk_rx_reg = WM8996_AIF1_RX_LRCLK_2;
1650 break;
1651 case 1:
1652 aifctrl_reg = WM8996_AIF2_CONTROL;
1653 bclk_reg = WM8996_AIF2_BCLK;
1654 lrclk_tx_reg = WM8996_AIF2_TX_LRCLK_2;
1655 lrclk_rx_reg = WM8996_AIF2_RX_LRCLK_2;
1656 break;
1657 default:
1658 WARN(1, "Invalid dai id %d\n", dai->id);
1659 return -EINVAL;
1660 }
1661
1662 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1663 case SND_SOC_DAIFMT_NB_NF:
1664 break;
1665 case SND_SOC_DAIFMT_IB_NF:
1666 bclk |= WM8996_AIF1_BCLK_INV;
1667 break;
1668 case SND_SOC_DAIFMT_NB_IF:
1669 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1670 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1671 break;
1672 case SND_SOC_DAIFMT_IB_IF:
1673 bclk |= WM8996_AIF1_BCLK_INV;
1674 lrclk_tx |= WM8996_AIF1TX_LRCLK_INV;
1675 lrclk_rx |= WM8996_AIF1RX_LRCLK_INV;
1676 break;
1677 }
1678
1679 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1680 case SND_SOC_DAIFMT_CBS_CFS:
1681 break;
1682 case SND_SOC_DAIFMT_CBS_CFM:
1683 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1684 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1685 break;
1686 case SND_SOC_DAIFMT_CBM_CFS:
1687 bclk |= WM8996_AIF1_BCLK_MSTR;
1688 break;
1689 case SND_SOC_DAIFMT_CBM_CFM:
1690 bclk |= WM8996_AIF1_BCLK_MSTR;
1691 lrclk_tx |= WM8996_AIF1TX_LRCLK_MSTR;
1692 lrclk_rx |= WM8996_AIF1RX_LRCLK_MSTR;
1693 break;
1694 default:
1695 return -EINVAL;
1696 }
1697
1698 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1699 case SND_SOC_DAIFMT_DSP_A:
1700 break;
1701 case SND_SOC_DAIFMT_DSP_B:
1702 aifctrl |= 1;
1703 break;
1704 case SND_SOC_DAIFMT_I2S:
1705 aifctrl |= 2;
1706 break;
1707 case SND_SOC_DAIFMT_LEFT_J:
1708 aifctrl |= 3;
1709 break;
1710 default:
1711 return -EINVAL;
1712 }
1713
1714 snd_soc_update_bits(codec, aifctrl_reg, WM8996_AIF1_FMT_MASK, aifctrl);
1715 snd_soc_update_bits(codec, bclk_reg,
1716 WM8996_AIF1_BCLK_INV | WM8996_AIF1_BCLK_MSTR,
1717 bclk);
1718 snd_soc_update_bits(codec, lrclk_tx_reg,
1719 WM8996_AIF1TX_LRCLK_INV |
1720 WM8996_AIF1TX_LRCLK_MSTR,
1721 lrclk_tx);
1722 snd_soc_update_bits(codec, lrclk_rx_reg,
1723 WM8996_AIF1RX_LRCLK_INV |
1724 WM8996_AIF1RX_LRCLK_MSTR,
1725 lrclk_rx);
1726
1727 return 0;
1728}
1729
1730static const int dsp_divs[] = {
1731 48000, 32000, 16000, 8000
1732};
1733
1734static int wm8996_hw_params(struct snd_pcm_substream *substream,
1735 struct snd_pcm_hw_params *params,
1736 struct snd_soc_dai *dai)
1737{
1738 struct snd_soc_codec *codec = dai->codec;
1739 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1740 int bits, i, bclk_rate, best;
1741 int aifdata = 0;
1742 int lrclk = 0;
1743 int dsp = 0;
1744 int aifdata_reg, lrclk_reg, dsp_shift;
1745
1746 switch (dai->id) {
1747 case 0:
1748 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1749 (snd_soc_read(codec, WM8996_GPIO_1)) & WM8996_GP1_FN_MASK) {
1750 aifdata_reg = WM8996_AIF1RX_DATA_CONFIGURATION;
1751 lrclk_reg = WM8996_AIF1_RX_LRCLK_1;
1752 } else {
1753 aifdata_reg = WM8996_AIF1TX_DATA_CONFIGURATION_1;
1754 lrclk_reg = WM8996_AIF1_TX_LRCLK_1;
1755 }
1756 dsp_shift = 0;
1757 break;
1758 case 1:
1759 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
1760 (snd_soc_read(codec, WM8996_GPIO_2)) & WM8996_GP2_FN_MASK) {
1761 aifdata_reg = WM8996_AIF2RX_DATA_CONFIGURATION;
1762 lrclk_reg = WM8996_AIF2_RX_LRCLK_1;
1763 } else {
1764 aifdata_reg = WM8996_AIF2TX_DATA_CONFIGURATION_1;
1765 lrclk_reg = WM8996_AIF2_TX_LRCLK_1;
1766 }
1767 dsp_shift = WM8996_DSP2_DIV_SHIFT;
1768 break;
1769 default:
1770 WARN(1, "Invalid dai id %d\n", dai->id);
1771 return -EINVAL;
1772 }
1773
1774 bclk_rate = snd_soc_params_to_bclk(params);
1775 if (bclk_rate < 0) {
1776 dev_err(codec->dev, "Unsupported BCLK rate: %d\n", bclk_rate);
1777 return bclk_rate;
1778 }
1779
1780 wm8996->bclk_rate[dai->id] = bclk_rate;
1781 wm8996->rx_rate[dai->id] = params_rate(params);
1782
1783 /* Needs looking at for TDM */
1784 bits = params_width(params);
1785 if (bits < 0)
1786 return bits;
1787 aifdata |= (bits << WM8996_AIF1TX_WL_SHIFT) | bits;
1788
1789 best = 0;
1790 for (i = 0; i < ARRAY_SIZE(dsp_divs); i++) {
1791 if (abs(dsp_divs[i] - params_rate(params)) <
1792 abs(dsp_divs[best] - params_rate(params)))
1793 best = i;
1794 }
1795 dsp |= i << dsp_shift;
1796
1797 wm8996_update_bclk(codec);
1798
1799 lrclk = bclk_rate / params_rate(params);
1800 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
1801 lrclk, bclk_rate / lrclk);
1802
1803 snd_soc_update_bits(codec, aifdata_reg,
1804 WM8996_AIF1TX_WL_MASK |
1805 WM8996_AIF1TX_SLOT_LEN_MASK,
1806 aifdata);
1807 snd_soc_update_bits(codec, lrclk_reg, WM8996_AIF1RX_RATE_MASK,
1808 lrclk);
1809 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_2,
1810 WM8996_DSP1_DIV_MASK << dsp_shift, dsp);
1811
1812 return 0;
1813}
1814
1815static int wm8996_set_sysclk(struct snd_soc_dai *dai,
1816 int clk_id, unsigned int freq, int dir)
1817{
1818 struct snd_soc_codec *codec = dai->codec;
1819 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
1820 int lfclk = 0;
1821 int ratediv = 0;
1822 int sync = WM8996_REG_SYNC;
1823 int src;
1824 int old;
1825
1826 if (freq == wm8996->sysclk && clk_id == wm8996->sysclk_src)
1827 return 0;
1828
1829 /* Disable SYSCLK while we reconfigure */
1830 old = snd_soc_read(codec, WM8996_AIF_CLOCKING_1) & WM8996_SYSCLK_ENA;
1831 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1832 WM8996_SYSCLK_ENA, 0);
1833
1834 switch (clk_id) {
1835 case WM8996_SYSCLK_MCLK1:
1836 wm8996->sysclk = freq;
1837 src = 0;
1838 break;
1839 case WM8996_SYSCLK_MCLK2:
1840 wm8996->sysclk = freq;
1841 src = 1;
1842 break;
1843 case WM8996_SYSCLK_FLL:
1844 wm8996->sysclk = freq;
1845 src = 2;
1846 break;
1847 default:
1848 dev_err(codec->dev, "Unsupported clock source %d\n", clk_id);
1849 return -EINVAL;
1850 }
1851
1852 switch (wm8996->sysclk) {
1853 case 5644800:
1854 case 6144000:
1855 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1856 WM8996_SYSCLK_RATE, 0);
1857 break;
1858 case 22579200:
1859 case 24576000:
1860 ratediv = WM8996_SYSCLK_DIV;
1861 wm8996->sysclk /= 2;
1862 case 11289600:
1863 case 12288000:
1864 snd_soc_update_bits(codec, WM8996_AIF_RATE,
1865 WM8996_SYSCLK_RATE, WM8996_SYSCLK_RATE);
1866 break;
1867 case 32000:
1868 case 32768:
1869 lfclk = WM8996_LFCLK_ENA;
1870 sync = 0;
1871 break;
1872 default:
1873 dev_warn(codec->dev, "Unsupported clock rate %dHz\n",
1874 wm8996->sysclk);
1875 return -EINVAL;
1876 }
1877
1878 wm8996_update_bclk(codec);
1879
1880 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1881 WM8996_SYSCLK_SRC_MASK | WM8996_SYSCLK_DIV_MASK,
1882 src << WM8996_SYSCLK_SRC_SHIFT | ratediv);
1883 snd_soc_update_bits(codec, WM8996_CLOCKING_1, WM8996_LFCLK_ENA, lfclk);
1884 snd_soc_update_bits(codec, WM8996_CONTROL_INTERFACE_1,
1885 WM8996_REG_SYNC, sync);
1886 snd_soc_update_bits(codec, WM8996_AIF_CLOCKING_1,
1887 WM8996_SYSCLK_ENA, old);
1888
1889 wm8996->sysclk_src = clk_id;
1890
1891 return 0;
1892}
1893
1894struct _fll_div {
1895 u16 fll_fratio;
1896 u16 fll_outdiv;
1897 u16 fll_refclk_div;
1898 u16 fll_loop_gain;
1899 u16 fll_ref_freq;
1900 u16 n;
1901 u16 theta;
1902 u16 lambda;
1903};
1904
1905static struct {
1906 unsigned int min;
1907 unsigned int max;
1908 u16 fll_fratio;
1909 int ratio;
1910} fll_fratios[] = {
1911 { 0, 64000, 4, 16 },
1912 { 64000, 128000, 3, 8 },
1913 { 128000, 256000, 2, 4 },
1914 { 256000, 1000000, 1, 2 },
1915 { 1000000, 13500000, 0, 1 },
1916};
1917
1918static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
1919 unsigned int Fout)
1920{
1921 unsigned int target;
1922 unsigned int div;
1923 unsigned int fratio, gcd_fll;
1924 int i;
1925
1926 /* Fref must be <=13.5MHz */
1927 div = 1;
1928 fll_div->fll_refclk_div = 0;
1929 while ((Fref / div) > 13500000) {
1930 div *= 2;
1931 fll_div->fll_refclk_div++;
1932
1933 if (div > 8) {
1934 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
1935 Fref);
1936 return -EINVAL;
1937 }
1938 }
1939
1940 pr_debug("FLL Fref=%u Fout=%u\n", Fref, Fout);
1941
1942 /* Apply the division for our remaining calculations */
1943 Fref /= div;
1944
1945 if (Fref >= 3000000)
1946 fll_div->fll_loop_gain = 5;
1947 else
1948 fll_div->fll_loop_gain = 0;
1949
1950 if (Fref >= 48000)
1951 fll_div->fll_ref_freq = 0;
1952 else
1953 fll_div->fll_ref_freq = 1;
1954
1955 /* Fvco should be 90-100MHz; don't check the upper bound */
1956 div = 2;
1957 while (Fout * div < 90000000) {
1958 div++;
1959 if (div > 64) {
1960 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
1961 Fout);
1962 return -EINVAL;
1963 }
1964 }
1965 target = Fout * div;
1966 fll_div->fll_outdiv = div - 1;
1967
1968 pr_debug("FLL Fvco=%dHz\n", target);
1969
1970 /* Find an appropraite FLL_FRATIO and factor it out of the target */
1971 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1972 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1973 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
1974 fratio = fll_fratios[i].ratio;
1975 break;
1976 }
1977 }
1978 if (i == ARRAY_SIZE(fll_fratios)) {
1979 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
1980 return -EINVAL;
1981 }
1982
1983 fll_div->n = target / (fratio * Fref);
1984
1985 if (target % Fref == 0) {
1986 fll_div->theta = 0;
1987 fll_div->lambda = 0;
1988 } else {
1989 gcd_fll = gcd(target, fratio * Fref);
1990
1991 fll_div->theta = (target - (fll_div->n * fratio * Fref))
1992 / gcd_fll;
1993 fll_div->lambda = (fratio * Fref) / gcd_fll;
1994 }
1995
1996 pr_debug("FLL N=%x THETA=%x LAMBDA=%x\n",
1997 fll_div->n, fll_div->theta, fll_div->lambda);
1998 pr_debug("FLL_FRATIO=%x FLL_OUTDIV=%x FLL_REFCLK_DIV=%x\n",
1999 fll_div->fll_fratio, fll_div->fll_outdiv,
2000 fll_div->fll_refclk_div);
2001
2002 return 0;
2003}
2004
2005static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
2006 unsigned int Fref, unsigned int Fout)
2007{
2008 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2009 struct i2c_client *i2c = to_i2c_client(codec->dev);
2010 struct _fll_div fll_div;
2011 unsigned long timeout, time_left;
2012 int ret, reg, retry;
2013
2014 /* Any change? */
2015 if (source == wm8996->fll_src && Fref == wm8996->fll_fref &&
2016 Fout == wm8996->fll_fout)
2017 return 0;
2018
2019 if (Fout == 0) {
2020 dev_dbg(codec->dev, "FLL disabled\n");
2021
2022 wm8996->fll_fref = 0;
2023 wm8996->fll_fout = 0;
2024
2025 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2026 WM8996_FLL_ENA, 0);
2027
2028 wm8996_bg_disable(codec);
2029
2030 return 0;
2031 }
2032
2033 ret = fll_factors(&fll_div, Fref, Fout);
2034 if (ret != 0)
2035 return ret;
2036
2037 switch (source) {
2038 case WM8996_FLL_MCLK1:
2039 reg = 0;
2040 break;
2041 case WM8996_FLL_MCLK2:
2042 reg = 1;
2043 break;
2044 case WM8996_FLL_DACLRCLK1:
2045 reg = 2;
2046 break;
2047 case WM8996_FLL_BCLK1:
2048 reg = 3;
2049 break;
2050 default:
2051 dev_err(codec->dev, "Unknown FLL source %d\n", ret);
2052 return -EINVAL;
2053 }
2054
2055 reg |= fll_div.fll_refclk_div << WM8996_FLL_REFCLK_DIV_SHIFT;
2056 reg |= fll_div.fll_ref_freq << WM8996_FLL_REF_FREQ_SHIFT;
2057
2058 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_5,
2059 WM8996_FLL_REFCLK_DIV_MASK | WM8996_FLL_REF_FREQ |
2060 WM8996_FLL_REFCLK_SRC_MASK, reg);
2061
2062 reg = 0;
2063 if (fll_div.theta || fll_div.lambda)
2064 reg |= WM8996_FLL_EFS_ENA | (3 << WM8996_FLL_LFSR_SEL_SHIFT);
2065 else
2066 reg |= 1 << WM8996_FLL_LFSR_SEL_SHIFT;
2067 snd_soc_write(codec, WM8996_FLL_EFS_2, reg);
2068
2069 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_2,
2070 WM8996_FLL_OUTDIV_MASK |
2071 WM8996_FLL_FRATIO_MASK,
2072 (fll_div.fll_outdiv << WM8996_FLL_OUTDIV_SHIFT) |
2073 (fll_div.fll_fratio));
2074
2075 snd_soc_write(codec, WM8996_FLL_CONTROL_3, fll_div.theta);
2076
2077 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_4,
2078 WM8996_FLL_N_MASK | WM8996_FLL_LOOP_GAIN_MASK,
2079 (fll_div.n << WM8996_FLL_N_SHIFT) |
2080 fll_div.fll_loop_gain);
2081
2082 snd_soc_write(codec, WM8996_FLL_EFS_1, fll_div.lambda);
2083
2084 /* Enable the bandgap if it's not already enabled */
2085 ret = snd_soc_read(codec, WM8996_FLL_CONTROL_1);
2086 if (!(ret & WM8996_FLL_ENA))
2087 wm8996_bg_enable(codec);
2088
2089 /* Clear any pending completions (eg, from failed startups) */
2090 try_wait_for_completion(&wm8996->fll_lock);
2091
2092 snd_soc_update_bits(codec, WM8996_FLL_CONTROL_1,
2093 WM8996_FLL_ENA, WM8996_FLL_ENA);
2094
2095 /* The FLL supports live reconfiguration - kick that in case we were
2096 * already enabled.
2097 */
2098 snd_soc_write(codec, WM8996_FLL_CONTROL_6, WM8996_FLL_SWITCH_CLK);
2099
2100 /* Wait for the FLL to lock, using the interrupt if possible */
2101 if (Fref > 1000000)
2102 timeout = usecs_to_jiffies(300);
2103 else
2104 timeout = msecs_to_jiffies(2);
2105
2106 /* Allow substantially longer if we've actually got the IRQ, poll
2107 * at a slightly higher rate if we don't.
2108 */
2109 if (i2c->irq)
2110 timeout *= 10;
2111 else
2112 /* ensure timeout of atleast 1 jiffies */
2113 timeout = timeout/2 ? : 1;
2114
2115 for (retry = 0; retry < 10; retry++) {
2116 time_left = wait_for_completion_timeout(&wm8996->fll_lock,
2117 timeout);
2118 if (time_left != 0) {
2119 WARN_ON(!i2c->irq);
2120 ret = 1;
2121 break;
2122 }
2123
2124 ret = snd_soc_read(codec, WM8996_INTERRUPT_RAW_STATUS_2);
2125 if (ret & WM8996_FLL_LOCK_STS)
2126 break;
2127 }
2128 if (retry == 10) {
2129 dev_err(codec->dev, "Timed out waiting for FLL\n");
2130 ret = -ETIMEDOUT;
2131 }
2132
2133 dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout);
2134
2135 wm8996->fll_fref = Fref;
2136 wm8996->fll_fout = Fout;
2137 wm8996->fll_src = source;
2138
2139 return ret;
2140}
2141
2142#ifdef CONFIG_GPIOLIB
2143static void wm8996_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
2144{
2145 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2146
2147 regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2148 WM8996_GP1_LVL, !!value << WM8996_GP1_LVL_SHIFT);
2149}
2150
2151static int wm8996_gpio_direction_out(struct gpio_chip *chip,
2152 unsigned offset, int value)
2153{
2154 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2155 int val;
2156
2157 val = (1 << WM8996_GP1_FN_SHIFT) | (!!value << WM8996_GP1_LVL_SHIFT);
2158
2159 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2160 WM8996_GP1_FN_MASK | WM8996_GP1_DIR |
2161 WM8996_GP1_LVL, val);
2162}
2163
2164static int wm8996_gpio_get(struct gpio_chip *chip, unsigned offset)
2165{
2166 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2167 unsigned int reg;
2168 int ret;
2169
2170 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1 + offset, ®);
2171 if (ret < 0)
2172 return ret;
2173
2174 return (reg & WM8996_GP1_LVL) != 0;
2175}
2176
2177static int wm8996_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
2178{
2179 struct wm8996_priv *wm8996 = gpiochip_get_data(chip);
2180
2181 return regmap_update_bits(wm8996->regmap, WM8996_GPIO_1 + offset,
2182 WM8996_GP1_FN_MASK | WM8996_GP1_DIR,
2183 (1 << WM8996_GP1_FN_SHIFT) |
2184 (1 << WM8996_GP1_DIR_SHIFT));
2185}
2186
2187static const struct gpio_chip wm8996_template_chip = {
2188 .label = "wm8996",
2189 .owner = THIS_MODULE,
2190 .direction_output = wm8996_gpio_direction_out,
2191 .set = wm8996_gpio_set,
2192 .direction_input = wm8996_gpio_direction_in,
2193 .get = wm8996_gpio_get,
2194 .can_sleep = 1,
2195};
2196
2197static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2198{
2199 int ret;
2200
2201 wm8996->gpio_chip = wm8996_template_chip;
2202 wm8996->gpio_chip.ngpio = 5;
2203 wm8996->gpio_chip.parent = wm8996->dev;
2204
2205 if (wm8996->pdata.gpio_base)
2206 wm8996->gpio_chip.base = wm8996->pdata.gpio_base;
2207 else
2208 wm8996->gpio_chip.base = -1;
2209
2210 ret = gpiochip_add_data(&wm8996->gpio_chip, wm8996);
2211 if (ret != 0)
2212 dev_err(wm8996->dev, "Failed to add GPIOs: %d\n", ret);
2213}
2214
2215static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2216{
2217 gpiochip_remove(&wm8996->gpio_chip);
2218}
2219#else
2220static void wm8996_init_gpio(struct wm8996_priv *wm8996)
2221{
2222}
2223
2224static void wm8996_free_gpio(struct wm8996_priv *wm8996)
2225{
2226}
2227#endif
2228
2229/**
2230 * wm8996_detect - Enable default WM8996 jack detection
2231 *
2232 * The WM8996 has advanced accessory detection support for headsets.
2233 * This function provides a default implementation which integrates
2234 * the majority of this functionality with minimal user configuration.
2235 *
2236 * This will detect headset, headphone and short circuit button and
2237 * will also detect inverted microphone ground connections and update
2238 * the polarity of the connections.
2239 */
2240int wm8996_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
2241 wm8996_polarity_fn polarity_cb)
2242{
2243 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2244 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2245
2246 wm8996->jack = jack;
2247 wm8996->detecting = true;
2248 wm8996->polarity_cb = polarity_cb;
2249 wm8996->jack_flips = 0;
2250
2251 if (wm8996->polarity_cb)
2252 wm8996->polarity_cb(codec, 0);
2253
2254 /* Clear discarge to avoid noise during detection */
2255 snd_soc_update_bits(codec, WM8996_MICBIAS_1,
2256 WM8996_MICB1_DISCH, 0);
2257 snd_soc_update_bits(codec, WM8996_MICBIAS_2,
2258 WM8996_MICB2_DISCH, 0);
2259
2260 /* LDO2 powers the microphones, SYSCLK clocks detection */
2261 snd_soc_dapm_mutex_lock(dapm);
2262
2263 snd_soc_dapm_force_enable_pin_unlocked(dapm, "LDO2");
2264 snd_soc_dapm_force_enable_pin_unlocked(dapm, "SYSCLK");
2265
2266 snd_soc_dapm_mutex_unlock(dapm);
2267
2268 /* We start off just enabling microphone detection - even a
2269 * plain headphone will trigger detection.
2270 */
2271 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2272 WM8996_MICD_ENA, WM8996_MICD_ENA);
2273
2274 /* Slowest detection rate, gives debounce for initial detection */
2275 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1,
2276 WM8996_MICD_RATE_MASK,
2277 WM8996_MICD_RATE_MASK);
2278
2279 /* Enable interrupts and we're off */
2280 snd_soc_update_bits(codec, WM8996_INTERRUPT_STATUS_2_MASK,
2281 WM8996_IM_MICD_EINT | WM8996_HP_DONE_EINT, 0);
2282
2283 return 0;
2284}
2285EXPORT_SYMBOL_GPL(wm8996_detect);
2286
2287static void wm8996_hpdet_irq(struct snd_soc_codec *codec)
2288{
2289 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2290 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2291 int val, reg, report;
2292
2293 /* Assume headphone in error conditions; we need to report
2294 * something or we stall our state machine.
2295 */
2296 report = SND_JACK_HEADPHONE;
2297
2298 reg = snd_soc_read(codec, WM8996_HEADPHONE_DETECT_2);
2299 if (reg < 0) {
2300 dev_err(codec->dev, "Failed to read HPDET status\n");
2301 goto out;
2302 }
2303
2304 if (!(reg & WM8996_HP_DONE)) {
2305 dev_err(codec->dev, "Got HPDET IRQ but HPDET is busy\n");
2306 goto out;
2307 }
2308
2309 val = reg & WM8996_HP_LVL_MASK;
2310
2311 dev_dbg(codec->dev, "HPDET measured %d ohms\n", val);
2312
2313 /* If we've got high enough impedence then report as line,
2314 * otherwise assume headphone.
2315 */
2316 if (val >= 126)
2317 report = SND_JACK_LINEOUT;
2318 else
2319 report = SND_JACK_HEADPHONE;
2320
2321out:
2322 if (wm8996->jack_mic)
2323 report |= SND_JACK_MICROPHONE;
2324
2325 snd_soc_jack_report(wm8996->jack, report,
2326 SND_JACK_LINEOUT | SND_JACK_HEADSET);
2327
2328 wm8996->detecting = false;
2329
2330 /* If the output isn't running re-clamp it */
2331 if (!(snd_soc_read(codec, WM8996_POWER_MANAGEMENT_1) &
2332 (WM8996_HPOUT1L_ENA | WM8996_HPOUT1R_RMV_SHORT)))
2333 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2334 WM8996_HPOUT1L_RMV_SHORT |
2335 WM8996_HPOUT1R_RMV_SHORT, 0);
2336
2337 /* Go back to looking at the microphone */
2338 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2339 WM8996_JD_MODE_MASK, 0);
2340 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA,
2341 WM8996_MICD_ENA);
2342
2343 snd_soc_dapm_disable_pin(dapm, "Bandgap");
2344 snd_soc_dapm_sync(dapm);
2345}
2346
2347static void wm8996_hpdet_start(struct snd_soc_codec *codec)
2348{
2349 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
2350
2351 /* Unclamp the output, we can't measure while we're shorting it */
2352 snd_soc_update_bits(codec, WM8996_ANALOGUE_HP_1,
2353 WM8996_HPOUT1L_RMV_SHORT |
2354 WM8996_HPOUT1R_RMV_SHORT,
2355 WM8996_HPOUT1L_RMV_SHORT |
2356 WM8996_HPOUT1R_RMV_SHORT);
2357
2358 /* We need bandgap for HPDET */
2359 snd_soc_dapm_force_enable_pin(dapm, "Bandgap");
2360 snd_soc_dapm_sync(dapm);
2361
2362 /* Go into headphone detect left mode */
2363 snd_soc_update_bits(codec, WM8996_MIC_DETECT_1, WM8996_MICD_ENA, 0);
2364 snd_soc_update_bits(codec, WM8996_ACCESSORY_DETECT_MODE_1,
2365 WM8996_JD_MODE_MASK, 1);
2366
2367 /* Trigger a measurement */
2368 snd_soc_update_bits(codec, WM8996_HEADPHONE_DETECT_1,
2369 WM8996_HP_POLL, WM8996_HP_POLL);
2370}
2371
2372static 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
2385static 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
2487static 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
2528static 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
2542static void wm8996_retune_mobile_pdata(struct snd_soc_codec *codec)
2543{
2544 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2545 struct wm8996_pdata *pdata = &wm8996->pdata;
2546
2547 struct snd_kcontrol_new controls[] = {
2548 SOC_ENUM_EXT("DSP1 EQ Mode",
2549 wm8996->retune_mobile_enum,
2550 wm8996_get_retune_mobile_enum,
2551 wm8996_put_retune_mobile_enum),
2552 SOC_ENUM_EXT("DSP2 EQ Mode",
2553 wm8996->retune_mobile_enum,
2554 wm8996_get_retune_mobile_enum,
2555 wm8996_put_retune_mobile_enum),
2556 };
2557 int ret, i, j;
2558 const char **t;
2559
2560 /* We need an array of texts for the enum API but the number
2561 * of texts is likely to be less than the number of
2562 * configurations due to the sample rate dependency of the
2563 * configurations. */
2564 wm8996->num_retune_mobile_texts = 0;
2565 wm8996->retune_mobile_texts = NULL;
2566 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
2567 for (j = 0; j < wm8996->num_retune_mobile_texts; j++) {
2568 if (strcmp(pdata->retune_mobile_cfgs[i].name,
2569 wm8996->retune_mobile_texts[j]) == 0)
2570 break;
2571 }
2572
2573 if (j != wm8996->num_retune_mobile_texts)
2574 continue;
2575
2576 /* Expand the array... */
2577 t = krealloc(wm8996->retune_mobile_texts,
2578 sizeof(char *) *
2579 (wm8996->num_retune_mobile_texts + 1),
2580 GFP_KERNEL);
2581 if (t == NULL)
2582 continue;
2583
2584 /* ...store the new entry... */
2585 t[wm8996->num_retune_mobile_texts] =
2586 pdata->retune_mobile_cfgs[i].name;
2587
2588 /* ...and remember the new version. */
2589 wm8996->num_retune_mobile_texts++;
2590 wm8996->retune_mobile_texts = t;
2591 }
2592
2593 dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n",
2594 wm8996->num_retune_mobile_texts);
2595
2596 wm8996->retune_mobile_enum.items = wm8996->num_retune_mobile_texts;
2597 wm8996->retune_mobile_enum.texts = wm8996->retune_mobile_texts;
2598
2599 ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
2600 if (ret != 0)
2601 dev_err(codec->dev,
2602 "Failed to add ReTune Mobile controls: %d\n", ret);
2603}
2604
2605static 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
2617static int wm8996_probe(struct snd_soc_codec *codec)
2618{
2619 int ret;
2620 struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
2621 struct i2c_client *i2c = to_i2c_client(codec->dev);
2622 int irq_flags;
2623
2624 wm8996->codec = codec;
2625
2626 init_completion(&wm8996->dcs_done);
2627 init_completion(&wm8996->fll_lock);
2628
2629 if (wm8996->pdata.num_retune_mobile_cfgs)
2630 wm8996_retune_mobile_pdata(codec);
2631 else
2632 snd_soc_add_codec_controls(codec, wm8996_eq_controls,
2633 ARRAY_SIZE(wm8996_eq_controls));
2634
2635 if (i2c->irq) {
2636 if (wm8996->pdata.irq_flags)
2637 irq_flags = wm8996->pdata.irq_flags;
2638 else
2639 irq_flags = IRQF_TRIGGER_LOW;
2640
2641 irq_flags |= IRQF_ONESHOT;
2642
2643 if (irq_flags & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING))
2644 ret = request_threaded_irq(i2c->irq, NULL,
2645 wm8996_edge_irq,
2646 irq_flags, "wm8996", codec);
2647 else
2648 ret = request_threaded_irq(i2c->irq, NULL, wm8996_irq,
2649 irq_flags, "wm8996", codec);
2650
2651 if (ret == 0) {
2652 /* Unmask the interrupt */
2653 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2654 WM8996_IM_IRQ, 0);
2655
2656 /* Enable error reporting and DC servo status */
2657 snd_soc_update_bits(codec,
2658 WM8996_INTERRUPT_STATUS_2_MASK,
2659 WM8996_IM_DCS_DONE_23_EINT |
2660 WM8996_IM_DCS_DONE_01_EINT |
2661 WM8996_IM_FLL_LOCK_EINT |
2662 WM8996_IM_FIFOS_ERR_EINT,
2663 0);
2664 } else {
2665 dev_err(codec->dev, "Failed to request IRQ: %d\n",
2666 ret);
2667 return ret;
2668 }
2669 }
2670
2671 return 0;
2672}
2673
2674static int wm8996_remove(struct snd_soc_codec *codec)
2675{
2676 struct i2c_client *i2c = to_i2c_client(codec->dev);
2677
2678 snd_soc_update_bits(codec, WM8996_INTERRUPT_CONTROL,
2679 WM8996_IM_IRQ, WM8996_IM_IRQ);
2680
2681 if (i2c->irq)
2682 free_irq(i2c->irq, codec);
2683
2684 return 0;
2685}
2686
2687static const struct snd_soc_codec_driver soc_codec_dev_wm8996 = {
2688 .probe = wm8996_probe,
2689 .remove = wm8996_remove,
2690 .set_bias_level = wm8996_set_bias_level,
2691 .idle_bias_off = true,
2692 .seq_notifier = wm8996_seq_notifier,
2693 .component_driver = {
2694 .controls = wm8996_snd_controls,
2695 .num_controls = ARRAY_SIZE(wm8996_snd_controls),
2696 .dapm_widgets = wm8996_dapm_widgets,
2697 .num_dapm_widgets = ARRAY_SIZE(wm8996_dapm_widgets),
2698 .dapm_routes = wm8996_dapm_routes,
2699 .num_dapm_routes = ARRAY_SIZE(wm8996_dapm_routes),
2700 },
2701 .set_pll = wm8996_set_fll,
2702};
2703
2704#define WM8996_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
2705 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
2706 SNDRV_PCM_RATE_48000)
2707#define WM8996_FORMATS (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_S16_LE |\
2708 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |\
2709 SNDRV_PCM_FMTBIT_S32_LE)
2710
2711static const struct snd_soc_dai_ops wm8996_dai_ops = {
2712 .set_fmt = wm8996_set_fmt,
2713 .hw_params = wm8996_hw_params,
2714 .set_sysclk = wm8996_set_sysclk,
2715};
2716
2717static struct snd_soc_dai_driver wm8996_dai[] = {
2718 {
2719 .name = "wm8996-aif1",
2720 .playback = {
2721 .stream_name = "AIF1 Playback",
2722 .channels_min = 1,
2723 .channels_max = 6,
2724 .rates = WM8996_RATES,
2725 .formats = WM8996_FORMATS,
2726 .sig_bits = 24,
2727 },
2728 .capture = {
2729 .stream_name = "AIF1 Capture",
2730 .channels_min = 1,
2731 .channels_max = 6,
2732 .rates = WM8996_RATES,
2733 .formats = WM8996_FORMATS,
2734 .sig_bits = 24,
2735 },
2736 .ops = &wm8996_dai_ops,
2737 },
2738 {
2739 .name = "wm8996-aif2",
2740 .playback = {
2741 .stream_name = "AIF2 Playback",
2742 .channels_min = 1,
2743 .channels_max = 2,
2744 .rates = WM8996_RATES,
2745 .formats = WM8996_FORMATS,
2746 .sig_bits = 24,
2747 },
2748 .capture = {
2749 .stream_name = "AIF2 Capture",
2750 .channels_min = 1,
2751 .channels_max = 2,
2752 .rates = WM8996_RATES,
2753 .formats = WM8996_FORMATS,
2754 .sig_bits = 24,
2755 },
2756 .ops = &wm8996_dai_ops,
2757 },
2758};
2759
2760static int wm8996_i2c_probe(struct i2c_client *i2c,
2761 const struct i2c_device_id *id)
2762{
2763 struct wm8996_priv *wm8996;
2764 int ret, i;
2765 unsigned int reg;
2766
2767 wm8996 = devm_kzalloc(&i2c->dev, sizeof(struct wm8996_priv),
2768 GFP_KERNEL);
2769 if (wm8996 == NULL)
2770 return -ENOMEM;
2771
2772 i2c_set_clientdata(i2c, wm8996);
2773 wm8996->dev = &i2c->dev;
2774
2775 if (dev_get_platdata(&i2c->dev))
2776 memcpy(&wm8996->pdata, dev_get_platdata(&i2c->dev),
2777 sizeof(wm8996->pdata));
2778
2779 if (wm8996->pdata.ldo_ena > 0) {
2780 ret = gpio_request_one(wm8996->pdata.ldo_ena,
2781 GPIOF_OUT_INIT_LOW, "WM8996 ENA");
2782 if (ret < 0) {
2783 dev_err(&i2c->dev, "Failed to request GPIO %d: %d\n",
2784 wm8996->pdata.ldo_ena, ret);
2785 goto err;
2786 }
2787 }
2788
2789 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
2790 wm8996->supplies[i].supply = wm8996_supply_names[i];
2791
2792 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8996->supplies),
2793 wm8996->supplies);
2794 if (ret != 0) {
2795 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2796 goto err_gpio;
2797 }
2798
2799 wm8996->disable_nb[0].notifier_call = wm8996_regulator_event_0;
2800 wm8996->disable_nb[1].notifier_call = wm8996_regulator_event_1;
2801 wm8996->disable_nb[2].notifier_call = wm8996_regulator_event_2;
2802
2803 /* This should really be moved into the regulator core */
2804 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++) {
2805 ret = regulator_register_notifier(wm8996->supplies[i].consumer,
2806 &wm8996->disable_nb[i]);
2807 if (ret != 0) {
2808 dev_err(&i2c->dev,
2809 "Failed to register regulator notifier: %d\n",
2810 ret);
2811 }
2812 }
2813
2814 ret = regulator_bulk_enable(ARRAY_SIZE(wm8996->supplies),
2815 wm8996->supplies);
2816 if (ret != 0) {
2817 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2818 goto err_gpio;
2819 }
2820
2821 if (wm8996->pdata.ldo_ena > 0) {
2822 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 1);
2823 msleep(5);
2824 }
2825
2826 wm8996->regmap = devm_regmap_init_i2c(i2c, &wm8996_regmap);
2827 if (IS_ERR(wm8996->regmap)) {
2828 ret = PTR_ERR(wm8996->regmap);
2829 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2830 goto err_enable;
2831 }
2832
2833 ret = regmap_read(wm8996->regmap, WM8996_SOFTWARE_RESET, ®);
2834 if (ret < 0) {
2835 dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret);
2836 goto err_regmap;
2837 }
2838 if (reg != 0x8915) {
2839 dev_err(&i2c->dev, "Device is not a WM8996, ID %x\n", reg);
2840 ret = -EINVAL;
2841 goto err_regmap;
2842 }
2843
2844 ret = regmap_read(wm8996->regmap, WM8996_CHIP_REVISION, ®);
2845 if (ret < 0) {
2846 dev_err(&i2c->dev, "Failed to read device revision: %d\n",
2847 ret);
2848 goto err_regmap;
2849 }
2850
2851 dev_info(&i2c->dev, "revision %c\n",
2852 (reg & WM8996_CHIP_REV_MASK) + 'A');
2853
2854 if (wm8996->pdata.ldo_ena > 0) {
2855 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
2856 regcache_cache_only(wm8996->regmap, true);
2857 } else {
2858 ret = regmap_write(wm8996->regmap, WM8996_SOFTWARE_RESET,
2859 0x8915);
2860 if (ret != 0) {
2861 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
2862 goto err_regmap;
2863 }
2864 }
2865
2866 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
2867
2868 /* Apply platform data settings */
2869 regmap_update_bits(wm8996->regmap, WM8996_LINE_INPUT_CONTROL,
2870 WM8996_INL_MODE_MASK | WM8996_INR_MODE_MASK,
2871 wm8996->pdata.inl_mode << WM8996_INL_MODE_SHIFT |
2872 wm8996->pdata.inr_mode);
2873
2874 for (i = 0; i < ARRAY_SIZE(wm8996->pdata.gpio_default); i++) {
2875 if (!wm8996->pdata.gpio_default[i])
2876 continue;
2877
2878 regmap_write(wm8996->regmap, WM8996_GPIO_1 + i,
2879 wm8996->pdata.gpio_default[i] & 0xffff);
2880 }
2881
2882 if (wm8996->pdata.spkmute_seq)
2883 regmap_update_bits(wm8996->regmap,
2884 WM8996_PDM_SPEAKER_MUTE_SEQUENCE,
2885 WM8996_SPK_MUTE_ENDIAN |
2886 WM8996_SPK_MUTE_SEQ1_MASK,
2887 wm8996->pdata.spkmute_seq);
2888
2889 regmap_update_bits(wm8996->regmap, WM8996_ACCESSORY_DETECT_MODE_2,
2890 WM8996_MICD_BIAS_SRC | WM8996_HPOUT1FB_SRC |
2891 WM8996_MICD_SRC, wm8996->pdata.micdet_def);
2892
2893 /* Latch volume update bits */
2894 regmap_update_bits(wm8996->regmap, WM8996_LEFT_LINE_INPUT_VOLUME,
2895 WM8996_IN1_VU, WM8996_IN1_VU);
2896 regmap_update_bits(wm8996->regmap, WM8996_RIGHT_LINE_INPUT_VOLUME,
2897 WM8996_IN1_VU, WM8996_IN1_VU);
2898
2899 regmap_update_bits(wm8996->regmap, WM8996_DAC1_LEFT_VOLUME,
2900 WM8996_DAC1_VU, WM8996_DAC1_VU);
2901 regmap_update_bits(wm8996->regmap, WM8996_DAC1_RIGHT_VOLUME,
2902 WM8996_DAC1_VU, WM8996_DAC1_VU);
2903 regmap_update_bits(wm8996->regmap, WM8996_DAC2_LEFT_VOLUME,
2904 WM8996_DAC2_VU, WM8996_DAC2_VU);
2905 regmap_update_bits(wm8996->regmap, WM8996_DAC2_RIGHT_VOLUME,
2906 WM8996_DAC2_VU, WM8996_DAC2_VU);
2907
2908 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_LEFT_VOLUME,
2909 WM8996_DAC1_VU, WM8996_DAC1_VU);
2910 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT1_RIGHT_VOLUME,
2911 WM8996_DAC1_VU, WM8996_DAC1_VU);
2912 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_LEFT_VOLUME,
2913 WM8996_DAC2_VU, WM8996_DAC2_VU);
2914 regmap_update_bits(wm8996->regmap, WM8996_OUTPUT2_RIGHT_VOLUME,
2915 WM8996_DAC2_VU, WM8996_DAC2_VU);
2916
2917 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_LEFT_VOLUME,
2918 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2919 regmap_update_bits(wm8996->regmap, WM8996_DSP1_TX_RIGHT_VOLUME,
2920 WM8996_DSP1TX_VU, WM8996_DSP1TX_VU);
2921 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_LEFT_VOLUME,
2922 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2923 regmap_update_bits(wm8996->regmap, WM8996_DSP2_TX_RIGHT_VOLUME,
2924 WM8996_DSP2TX_VU, WM8996_DSP2TX_VU);
2925
2926 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_LEFT_VOLUME,
2927 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2928 regmap_update_bits(wm8996->regmap, WM8996_DSP1_RX_RIGHT_VOLUME,
2929 WM8996_DSP1RX_VU, WM8996_DSP1RX_VU);
2930 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_LEFT_VOLUME,
2931 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2932 regmap_update_bits(wm8996->regmap, WM8996_DSP2_RX_RIGHT_VOLUME,
2933 WM8996_DSP2RX_VU, WM8996_DSP2RX_VU);
2934
2935 /* No support currently for the underclocked TDM modes and
2936 * pick a default TDM layout with each channel pair working with
2937 * slots 0 and 1. */
2938 regmap_update_bits(wm8996->regmap,
2939 WM8996_AIF1RX_CHANNEL_0_CONFIGURATION,
2940 WM8996_AIF1RX_CHAN0_SLOTS_MASK |
2941 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2942 1 << WM8996_AIF1RX_CHAN0_SLOTS_SHIFT | 0);
2943 regmap_update_bits(wm8996->regmap,
2944 WM8996_AIF1RX_CHANNEL_1_CONFIGURATION,
2945 WM8996_AIF1RX_CHAN1_SLOTS_MASK |
2946 WM8996_AIF1RX_CHAN1_START_SLOT_MASK,
2947 1 << WM8996_AIF1RX_CHAN1_SLOTS_SHIFT | 1);
2948 regmap_update_bits(wm8996->regmap,
2949 WM8996_AIF1RX_CHANNEL_2_CONFIGURATION,
2950 WM8996_AIF1RX_CHAN2_SLOTS_MASK |
2951 WM8996_AIF1RX_CHAN2_START_SLOT_MASK,
2952 1 << WM8996_AIF1RX_CHAN2_SLOTS_SHIFT | 0);
2953 regmap_update_bits(wm8996->regmap,
2954 WM8996_AIF1RX_CHANNEL_3_CONFIGURATION,
2955 WM8996_AIF1RX_CHAN3_SLOTS_MASK |
2956 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2957 1 << WM8996_AIF1RX_CHAN3_SLOTS_SHIFT | 1);
2958 regmap_update_bits(wm8996->regmap,
2959 WM8996_AIF1RX_CHANNEL_4_CONFIGURATION,
2960 WM8996_AIF1RX_CHAN4_SLOTS_MASK |
2961 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2962 1 << WM8996_AIF1RX_CHAN4_SLOTS_SHIFT | 0);
2963 regmap_update_bits(wm8996->regmap,
2964 WM8996_AIF1RX_CHANNEL_5_CONFIGURATION,
2965 WM8996_AIF1RX_CHAN5_SLOTS_MASK |
2966 WM8996_AIF1RX_CHAN0_START_SLOT_MASK,
2967 1 << WM8996_AIF1RX_CHAN5_SLOTS_SHIFT | 1);
2968
2969 regmap_update_bits(wm8996->regmap,
2970 WM8996_AIF2RX_CHANNEL_0_CONFIGURATION,
2971 WM8996_AIF2RX_CHAN0_SLOTS_MASK |
2972 WM8996_AIF2RX_CHAN0_START_SLOT_MASK,
2973 1 << WM8996_AIF2RX_CHAN0_SLOTS_SHIFT | 0);
2974 regmap_update_bits(wm8996->regmap,
2975 WM8996_AIF2RX_CHANNEL_1_CONFIGURATION,
2976 WM8996_AIF2RX_CHAN1_SLOTS_MASK |
2977 WM8996_AIF2RX_CHAN1_START_SLOT_MASK,
2978 1 << WM8996_AIF2RX_CHAN1_SLOTS_SHIFT | 1);
2979
2980 regmap_update_bits(wm8996->regmap,
2981 WM8996_AIF1TX_CHANNEL_0_CONFIGURATION,
2982 WM8996_AIF1TX_CHAN0_SLOTS_MASK |
2983 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2984 1 << WM8996_AIF1TX_CHAN0_SLOTS_SHIFT | 0);
2985 regmap_update_bits(wm8996->regmap,
2986 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
2987 WM8996_AIF1TX_CHAN1_SLOTS_MASK |
2988 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2989 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
2990 regmap_update_bits(wm8996->regmap,
2991 WM8996_AIF1TX_CHANNEL_2_CONFIGURATION,
2992 WM8996_AIF1TX_CHAN2_SLOTS_MASK |
2993 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2994 1 << WM8996_AIF1TX_CHAN2_SLOTS_SHIFT | 0);
2995 regmap_update_bits(wm8996->regmap,
2996 WM8996_AIF1TX_CHANNEL_3_CONFIGURATION,
2997 WM8996_AIF1TX_CHAN3_SLOTS_MASK |
2998 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
2999 1 << WM8996_AIF1TX_CHAN3_SLOTS_SHIFT | 1);
3000 regmap_update_bits(wm8996->regmap,
3001 WM8996_AIF1TX_CHANNEL_4_CONFIGURATION,
3002 WM8996_AIF1TX_CHAN4_SLOTS_MASK |
3003 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3004 1 << WM8996_AIF1TX_CHAN4_SLOTS_SHIFT | 0);
3005 regmap_update_bits(wm8996->regmap,
3006 WM8996_AIF1TX_CHANNEL_5_CONFIGURATION,
3007 WM8996_AIF1TX_CHAN5_SLOTS_MASK |
3008 WM8996_AIF1TX_CHAN0_START_SLOT_MASK,
3009 1 << WM8996_AIF1TX_CHAN5_SLOTS_SHIFT | 1);
3010
3011 regmap_update_bits(wm8996->regmap,
3012 WM8996_AIF2TX_CHANNEL_0_CONFIGURATION,
3013 WM8996_AIF2TX_CHAN0_SLOTS_MASK |
3014 WM8996_AIF2TX_CHAN0_START_SLOT_MASK,
3015 1 << WM8996_AIF2TX_CHAN0_SLOTS_SHIFT | 0);
3016 regmap_update_bits(wm8996->regmap,
3017 WM8996_AIF1TX_CHANNEL_1_CONFIGURATION,
3018 WM8996_AIF2TX_CHAN1_SLOTS_MASK |
3019 WM8996_AIF2TX_CHAN1_START_SLOT_MASK,
3020 1 << WM8996_AIF1TX_CHAN1_SLOTS_SHIFT | 1);
3021
3022 /* If the TX LRCLK pins are not in LRCLK mode configure the
3023 * AIFs to source their clocks from the RX LRCLKs.
3024 */
3025 ret = regmap_read(wm8996->regmap, WM8996_GPIO_1, ®);
3026 if (ret != 0) {
3027 dev_err(&i2c->dev, "Failed to read GPIO1: %d\n", ret);
3028 goto err_regmap;
3029 }
3030
3031 if (reg & WM8996_GP1_FN_MASK)
3032 regmap_update_bits(wm8996->regmap, WM8996_AIF1_TX_LRCLK_2,
3033 WM8996_AIF1TX_LRCLK_MODE,
3034 WM8996_AIF1TX_LRCLK_MODE);
3035
3036 ret = regmap_read(wm8996->regmap, WM8996_GPIO_2, ®);
3037 if (ret != 0) {
3038 dev_err(&i2c->dev, "Failed to read GPIO2: %d\n", ret);
3039 goto err_regmap;
3040 }
3041
3042 if (reg & WM8996_GP2_FN_MASK)
3043 regmap_update_bits(wm8996->regmap, WM8996_AIF2_TX_LRCLK_2,
3044 WM8996_AIF2TX_LRCLK_MODE,
3045 WM8996_AIF2TX_LRCLK_MODE);
3046
3047 wm8996_init_gpio(wm8996);
3048
3049 ret = snd_soc_register_codec(&i2c->dev,
3050 &soc_codec_dev_wm8996, wm8996_dai,
3051 ARRAY_SIZE(wm8996_dai));
3052 if (ret < 0)
3053 goto err_gpiolib;
3054
3055 return ret;
3056
3057err_gpiolib:
3058 wm8996_free_gpio(wm8996);
3059err_regmap:
3060err_enable:
3061 if (wm8996->pdata.ldo_ena > 0)
3062 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3063 regulator_bulk_disable(ARRAY_SIZE(wm8996->supplies), wm8996->supplies);
3064err_gpio:
3065 if (wm8996->pdata.ldo_ena > 0)
3066 gpio_free(wm8996->pdata.ldo_ena);
3067err:
3068
3069 return ret;
3070}
3071
3072static int wm8996_i2c_remove(struct i2c_client *client)
3073{
3074 struct wm8996_priv *wm8996 = i2c_get_clientdata(client);
3075 int i;
3076
3077 snd_soc_unregister_codec(&client->dev);
3078 wm8996_free_gpio(wm8996);
3079 if (wm8996->pdata.ldo_ena > 0) {
3080 gpio_set_value_cansleep(wm8996->pdata.ldo_ena, 0);
3081 gpio_free(wm8996->pdata.ldo_ena);
3082 }
3083 for (i = 0; i < ARRAY_SIZE(wm8996->supplies); i++)
3084 regulator_unregister_notifier(wm8996->supplies[i].consumer,
3085 &wm8996->disable_nb[i]);
3086
3087 return 0;
3088}
3089
3090static const struct i2c_device_id wm8996_i2c_id[] = {
3091 { "wm8996", 0 },
3092 { }
3093};
3094MODULE_DEVICE_TABLE(i2c, wm8996_i2c_id);
3095
3096static struct i2c_driver wm8996_i2c_driver = {
3097 .driver = {
3098 .name = "wm8996",
3099 },
3100 .probe = wm8996_i2c_probe,
3101 .remove = wm8996_i2c_remove,
3102 .id_table = wm8996_i2c_id,
3103};
3104
3105module_i2c_driver(wm8996_i2c_driver);
3106
3107MODULE_DESCRIPTION("ASoC WM8996 driver");
3108MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
3109MODULE_LICENSE("GPL");