?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / sound / soc / codecs / wm8903.c
blobfa2f67850f1878f679aa23053e4d3f51e12de013
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * wm8903.c -- WM8903 ALSA SoC Audio driver
4 *
5 * Copyright 2008-12 Wolfson Microelectronics
6 * Copyright 2011-2012 NVIDIA, Inc.
7 *
8 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
9 *
10 * TODO:
11 * - TDM mode configuration.
12 * - Digital microphone support.
13 */
14
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/init.h>
18 #include <linux/completion.h>
19 #include <linux/delay.h>
20 #include <linux/gpio/driver.h>
21 #include <linux/pm.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/irq.h>
27 #include <linux/mutex.h>
28 #include <sound/core.h>
29 #include <sound/jack.h>
30 #include <sound/pcm.h>
31 #include <sound/pcm_params.h>
32 #include <sound/tlv.h>
33 #include <sound/soc.h>
34 #include <sound/initval.h>
35 #include <sound/wm8903.h>
36 #include <trace/events/asoc.h>
37
38 #include "wm8903.h"
39
40 /* Register defaults at reset */
41 static const struct reg_default wm8903_reg_defaults[] = {
42 { 4, 0x0018 }, /* R4 - Bias Control 0 */
43 { 5, 0x0000 }, /* R5 - VMID Control 0 */
44 { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */
45 { 8, 0x0001 }, /* R8 - Analogue DAC 0 */
46 { 10, 0x0001 }, /* R10 - Analogue ADC 0 */
47 { 12, 0x0000 }, /* R12 - Power Management 0 */
48 { 13, 0x0000 }, /* R13 - Power Management 1 */
49 { 14, 0x0000 }, /* R14 - Power Management 2 */
50 { 15, 0x0000 }, /* R15 - Power Management 3 */
51 { 16, 0x0000 }, /* R16 - Power Management 4 */
52 { 17, 0x0000 }, /* R17 - Power Management 5 */
53 { 18, 0x0000 }, /* R18 - Power Management 6 */
54 { 20, 0x0400 }, /* R20 - Clock Rates 0 */
55 { 21, 0x0D07 }, /* R21 - Clock Rates 1 */
56 { 22, 0x0000 }, /* R22 - Clock Rates 2 */
57 { 24, 0x0050 }, /* R24 - Audio Interface 0 */
58 { 25, 0x0242 }, /* R25 - Audio Interface 1 */
59 { 26, 0x0008 }, /* R26 - Audio Interface 2 */
60 { 27, 0x0022 }, /* R27 - Audio Interface 3 */
61 { 30, 0x00C0 }, /* R30 - DAC Digital Volume Left */
62 { 31, 0x00C0 }, /* R31 - DAC Digital Volume Right */
63 { 32, 0x0000 }, /* R32 - DAC Digital 0 */
64 { 33, 0x0000 }, /* R33 - DAC Digital 1 */
65 { 36, 0x00C0 }, /* R36 - ADC Digital Volume Left */
66 { 37, 0x00C0 }, /* R37 - ADC Digital Volume Right */
67 { 38, 0x0000 }, /* R38 - ADC Digital 0 */
68 { 39, 0x0073 }, /* R39 - Digital Microphone 0 */
69 { 40, 0x09BF }, /* R40 - DRC 0 */
70 { 41, 0x3241 }, /* R41 - DRC 1 */
71 { 42, 0x0020 }, /* R42 - DRC 2 */
72 { 43, 0x0000 }, /* R43 - DRC 3 */
73 { 44, 0x0085 }, /* R44 - Analogue Left Input 0 */
74 { 45, 0x0085 }, /* R45 - Analogue Right Input 0 */
75 { 46, 0x0044 }, /* R46 - Analogue Left Input 1 */
76 { 47, 0x0044 }, /* R47 - Analogue Right Input 1 */
77 { 50, 0x0008 }, /* R50 - Analogue Left Mix 0 */
78 { 51, 0x0004 }, /* R51 - Analogue Right Mix 0 */
79 { 52, 0x0000 }, /* R52 - Analogue Spk Mix Left 0 */
80 { 53, 0x0000 }, /* R53 - Analogue Spk Mix Left 1 */
81 { 54, 0x0000 }, /* R54 - Analogue Spk Mix Right 0 */
82 { 55, 0x0000 }, /* R55 - Analogue Spk Mix Right 1 */
83 { 57, 0x002D }, /* R57 - Analogue OUT1 Left */
84 { 58, 0x002D }, /* R58 - Analogue OUT1 Right */
85 { 59, 0x0039 }, /* R59 - Analogue OUT2 Left */
86 { 60, 0x0039 }, /* R60 - Analogue OUT2 Right */
87 { 62, 0x0139 }, /* R62 - Analogue OUT3 Left */
88 { 63, 0x0139 }, /* R63 - Analogue OUT3 Right */
89 { 64, 0x0000 }, /* R65 - Analogue SPK Output Control 0 */
90 { 67, 0x0010 }, /* R67 - DC Servo 0 */
91 { 69, 0x00A4 }, /* R69 - DC Servo 2 */
92 { 90, 0x0000 }, /* R90 - Analogue HP 0 */
93 { 94, 0x0000 }, /* R94 - Analogue Lineout 0 */
94 { 98, 0x0000 }, /* R98 - Charge Pump 0 */
95 { 104, 0x0000 }, /* R104 - Class W 0 */
96 { 108, 0x0000 }, /* R108 - Write Sequencer 0 */
97 { 109, 0x0000 }, /* R109 - Write Sequencer 1 */
98 { 110, 0x0000 }, /* R110 - Write Sequencer 2 */
99 { 111, 0x0000 }, /* R111 - Write Sequencer 3 */
100 { 112, 0x0000 }, /* R112 - Write Sequencer 4 */
101 { 114, 0x0000 }, /* R114 - Control Interface */
102 { 116, 0x00A8 }, /* R116 - GPIO Control 1 */
103 { 117, 0x00A8 }, /* R117 - GPIO Control 2 */
104 { 118, 0x00A8 }, /* R118 - GPIO Control 3 */
105 { 119, 0x0220 }, /* R119 - GPIO Control 4 */
106 { 120, 0x01A0 }, /* R120 - GPIO Control 5 */
107 { 122, 0xFFFF }, /* R122 - Interrupt Status 1 Mask */
108 { 123, 0x0000 }, /* R123 - Interrupt Polarity 1 */
109 { 126, 0x0000 }, /* R126 - Interrupt Control */
110 { 129, 0x0000 }, /* R129 - Control Interface Test 1 */
111 { 149, 0x6810 }, /* R149 - Charge Pump Test 1 */
112 { 164, 0x0028 }, /* R164 - Clock Rate Test 4 */
113 { 172, 0x0000 }, /* R172 - Analogue Output Bias 0 */
114 };
115
116 #define WM8903_NUM_SUPPLIES 4
117 static const char *wm8903_supply_names[WM8903_NUM_SUPPLIES] = {
118 "AVDD",
119 "CPVDD",
120 "DBVDD",
121 "DCVDD",
122 };
123
124 struct wm8903_priv {
125 struct wm8903_platform_data *pdata;
126 struct device *dev;
127 struct regmap *regmap;
128 struct regulator_bulk_data supplies[WM8903_NUM_SUPPLIES];
129
130 int sysclk;
131 int irq;
132
133 struct mutex lock;
134 int fs;
135 int deemph;
136
137 int dcs_pending;
138 int dcs_cache[4];
139
140 /* Reference count */
141 int class_w_users;
142
143 struct snd_soc_jack *mic_jack;
144 int mic_det;
145 int mic_short;
146 int mic_last_report;
147 int mic_delay;
148
149 #ifdef CONFIG_GPIOLIB
150 struct gpio_chip gpio_chip;
151 #endif
152 };
153
154 static bool wm8903_readable_register(struct device *dev, unsigned int reg)
155 {
156 switch (reg) {
157 case WM8903_SW_RESET_AND_ID:
158 case WM8903_REVISION_NUMBER:
159 case WM8903_BIAS_CONTROL_0:
160 case WM8903_VMID_CONTROL_0:
161 case WM8903_MIC_BIAS_CONTROL_0:
162 case WM8903_ANALOGUE_DAC_0:
163 case WM8903_ANALOGUE_ADC_0:
164 case WM8903_POWER_MANAGEMENT_0:
165 case WM8903_POWER_MANAGEMENT_1:
166 case WM8903_POWER_MANAGEMENT_2:
167 case WM8903_POWER_MANAGEMENT_3:
168 case WM8903_POWER_MANAGEMENT_4:
169 case WM8903_POWER_MANAGEMENT_5:
170 case WM8903_POWER_MANAGEMENT_6:
171 case WM8903_CLOCK_RATES_0:
172 case WM8903_CLOCK_RATES_1:
173 case WM8903_CLOCK_RATES_2:
174 case WM8903_AUDIO_INTERFACE_0:
175 case WM8903_AUDIO_INTERFACE_1:
176 case WM8903_AUDIO_INTERFACE_2:
177 case WM8903_AUDIO_INTERFACE_3:
178 case WM8903_DAC_DIGITAL_VOLUME_LEFT:
179 case WM8903_DAC_DIGITAL_VOLUME_RIGHT:
180 case WM8903_DAC_DIGITAL_0:
181 case WM8903_DAC_DIGITAL_1:
182 case WM8903_ADC_DIGITAL_VOLUME_LEFT:
183 case WM8903_ADC_DIGITAL_VOLUME_RIGHT:
184 case WM8903_ADC_DIGITAL_0:
185 case WM8903_DIGITAL_MICROPHONE_0:
186 case WM8903_DRC_0:
187 case WM8903_DRC_1:
188 case WM8903_DRC_2:
189 case WM8903_DRC_3:
190 case WM8903_ANALOGUE_LEFT_INPUT_0:
191 case WM8903_ANALOGUE_RIGHT_INPUT_0:
192 case WM8903_ANALOGUE_LEFT_INPUT_1:
193 case WM8903_ANALOGUE_RIGHT_INPUT_1:
194 case WM8903_ANALOGUE_LEFT_MIX_0:
195 case WM8903_ANALOGUE_RIGHT_MIX_0:
196 case WM8903_ANALOGUE_SPK_MIX_LEFT_0:
197 case WM8903_ANALOGUE_SPK_MIX_LEFT_1:
198 case WM8903_ANALOGUE_SPK_MIX_RIGHT_0:
199 case WM8903_ANALOGUE_SPK_MIX_RIGHT_1:
200 case WM8903_ANALOGUE_OUT1_LEFT:
201 case WM8903_ANALOGUE_OUT1_RIGHT:
202 case WM8903_ANALOGUE_OUT2_LEFT:
203 case WM8903_ANALOGUE_OUT2_RIGHT:
204 case WM8903_ANALOGUE_OUT3_LEFT:
205 case WM8903_ANALOGUE_OUT3_RIGHT:
206 case WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0:
207 case WM8903_DC_SERVO_0:
208 case WM8903_DC_SERVO_2:
209 case WM8903_DC_SERVO_READBACK_1:
210 case WM8903_DC_SERVO_READBACK_2:
211 case WM8903_DC_SERVO_READBACK_3:
212 case WM8903_DC_SERVO_READBACK_4:
213 case WM8903_ANALOGUE_HP_0:
214 case WM8903_ANALOGUE_LINEOUT_0:
215 case WM8903_CHARGE_PUMP_0:
216 case WM8903_CLASS_W_0:
217 case WM8903_WRITE_SEQUENCER_0:
218 case WM8903_WRITE_SEQUENCER_1:
219 case WM8903_WRITE_SEQUENCER_2:
220 case WM8903_WRITE_SEQUENCER_3:
221 case WM8903_WRITE_SEQUENCER_4:
222 case WM8903_CONTROL_INTERFACE:
223 case WM8903_GPIO_CONTROL_1:
224 case WM8903_GPIO_CONTROL_2:
225 case WM8903_GPIO_CONTROL_3:
226 case WM8903_GPIO_CONTROL_4:
227 case WM8903_GPIO_CONTROL_5:
228 case WM8903_INTERRUPT_STATUS_1:
229 case WM8903_INTERRUPT_STATUS_1_MASK:
230 case WM8903_INTERRUPT_POLARITY_1:
231 case WM8903_INTERRUPT_CONTROL:
232 case WM8903_CLOCK_RATE_TEST_4:
233 case WM8903_ANALOGUE_OUTPUT_BIAS_0:
234 return true;
235 default:
236 return false;
237 }
238 }
239
240 static bool wm8903_volatile_register(struct device *dev, unsigned int reg)
241 {
242 switch (reg) {
243 case WM8903_SW_RESET_AND_ID:
244 case WM8903_REVISION_NUMBER:
245 case WM8903_INTERRUPT_STATUS_1:
246 case WM8903_WRITE_SEQUENCER_4:
247 case WM8903_DC_SERVO_READBACK_1:
248 case WM8903_DC_SERVO_READBACK_2:
249 case WM8903_DC_SERVO_READBACK_3:
250 case WM8903_DC_SERVO_READBACK_4:
251 return true;
252
253 default:
254 return false;
255 }
256 }
257
258 static int wm8903_cp_event(struct snd_soc_dapm_widget *w,
259 struct snd_kcontrol *kcontrol, int event)
260 {
261 WARN_ON(event != SND_SOC_DAPM_POST_PMU);
262 mdelay(4);
263
264 return 0;
265 }
266
267 static int wm8903_dcs_event(struct snd_soc_dapm_widget *w,
268 struct snd_kcontrol *kcontrol, int event)
269 {
270 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
271 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
272
273 switch (event) {
274 case SND_SOC_DAPM_POST_PMU:
275 wm8903->dcs_pending |= 1 << w->shift;
276 break;
277 case SND_SOC_DAPM_PRE_PMD:
278 snd_soc_component_update_bits(component, WM8903_DC_SERVO_0,
279 1 << w->shift, 0);
280 break;
281 }
282
283 return 0;
284 }
285
286 #define WM8903_DCS_MODE_WRITE_STOP 0
287 #define WM8903_DCS_MODE_START_STOP 2
288
289 static void wm8903_seq_notifier(struct snd_soc_component *component,
290 enum snd_soc_dapm_type event, int subseq)
291 {
292 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
293 int dcs_mode = WM8903_DCS_MODE_WRITE_STOP;
294 int i, val;
295
296 /* Complete any pending DC servo starts */
297 if (wm8903->dcs_pending) {
298 dev_dbg(component->dev, "Starting DC servo for %x\n",
299 wm8903->dcs_pending);
300
301 /* If we've no cached values then we need to do startup */
302 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
303 if (!(wm8903->dcs_pending & (1 << i)))
304 continue;
305
306 if (wm8903->dcs_cache[i]) {
307 dev_dbg(component->dev,
308 "Restore DC servo %d value %x\n",
309 3 - i, wm8903->dcs_cache[i]);
310
311 snd_soc_component_write(component, WM8903_DC_SERVO_4 + i,
312 wm8903->dcs_cache[i] & 0xff);
313 } else {
314 dev_dbg(component->dev,
315 "Calibrate DC servo %d\n", 3 - i);
316 dcs_mode = WM8903_DCS_MODE_START_STOP;
317 }
318 }
319
320 /* Don't trust the cache for analogue */
321 if (wm8903->class_w_users)
322 dcs_mode = WM8903_DCS_MODE_START_STOP;
323
324 snd_soc_component_update_bits(component, WM8903_DC_SERVO_2,
325 WM8903_DCS_MODE_MASK, dcs_mode);
326
327 snd_soc_component_update_bits(component, WM8903_DC_SERVO_0,
328 WM8903_DCS_ENA_MASK, wm8903->dcs_pending);
329
330 switch (dcs_mode) {
331 case WM8903_DCS_MODE_WRITE_STOP:
332 break;
333
334 case WM8903_DCS_MODE_START_STOP:
335 msleep(270);
336
337 /* Cache the measured offsets for digital */
338 if (wm8903->class_w_users)
339 break;
340
341 for (i = 0; i < ARRAY_SIZE(wm8903->dcs_cache); i++) {
342 if (!(wm8903->dcs_pending & (1 << i)))
343 continue;
344
345 val = snd_soc_component_read32(component,
346 WM8903_DC_SERVO_READBACK_1 + i);
347 dev_dbg(component->dev, "DC servo %d: %x\n",
348 3 - i, val);
349 wm8903->dcs_cache[i] = val;
350 }
351 break;
352
353 default:
354 pr_warn("DCS mode %d delay not set\n", dcs_mode);
355 break;
356 }
357
358 wm8903->dcs_pending = 0;
359 }
360 }
361
362 /*
363 * When used with DAC outputs only the WM8903 charge pump supports
364 * operation in class W mode, providing very low power consumption
365 * when used with digital sources. Enable and disable this mode
366 * automatically depending on the mixer configuration.
367 *
368 * All the relevant controls are simple switches.
369 */
370 static int wm8903_class_w_put(struct snd_kcontrol *kcontrol,
371 struct snd_ctl_elem_value *ucontrol)
372 {
373 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
374 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
375 u16 reg;
376 int ret;
377
378 reg = snd_soc_component_read32(component, WM8903_CLASS_W_0);
379
380 /* Turn it off if we're about to enable bypass */
381 if (ucontrol->value.integer.value[0]) {
382 if (wm8903->class_w_users == 0) {
383 dev_dbg(component->dev, "Disabling Class W\n");
384 snd_soc_component_write(component, WM8903_CLASS_W_0, reg &
385 ~(WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V));
386 }
387 wm8903->class_w_users++;
388 }
389
390 /* Implement the change */
391 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
392
393 /* If we've just disabled the last bypass path turn Class W on */
394 if (!ucontrol->value.integer.value[0]) {
395 if (wm8903->class_w_users == 1) {
396 dev_dbg(component->dev, "Enabling Class W\n");
397 snd_soc_component_write(component, WM8903_CLASS_W_0, reg |
398 WM8903_CP_DYN_FREQ | WM8903_CP_DYN_V);
399 }
400 wm8903->class_w_users--;
401 }
402
403 dev_dbg(component->dev, "Bypass use count now %d\n",
404 wm8903->class_w_users);
405
406 return ret;
407 }
408
409 #define SOC_DAPM_SINGLE_W(xname, reg, shift, max, invert) \
410 SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
411 snd_soc_dapm_get_volsw, wm8903_class_w_put)
412
413
414 static int wm8903_deemph[] = { 0, 32000, 44100, 48000 };
415
416 static int wm8903_set_deemph(struct snd_soc_component *component)
417 {
418 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
419 int val, i, best;
420
421 /* If we're using deemphasis select the nearest available sample
422 * rate.
423 */
424 if (wm8903->deemph) {
425 best = 1;
426 for (i = 2; i < ARRAY_SIZE(wm8903_deemph); i++) {
427 if (abs(wm8903_deemph[i] - wm8903->fs) <
428 abs(wm8903_deemph[best] - wm8903->fs))
429 best = i;
430 }
431
432 val = best << WM8903_DEEMPH_SHIFT;
433 } else {
434 best = 0;
435 val = 0;
436 }
437
438 dev_dbg(component->dev, "Set deemphasis %d (%dHz)\n",
439 best, wm8903_deemph[best]);
440
441 return snd_soc_component_update_bits(component, WM8903_DAC_DIGITAL_1,
442 WM8903_DEEMPH_MASK, val);
443 }
444
445 static int wm8903_get_deemph(struct snd_kcontrol *kcontrol,
446 struct snd_ctl_elem_value *ucontrol)
447 {
448 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
449 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
450
451 ucontrol->value.integer.value[0] = wm8903->deemph;
452
453 return 0;
454 }
455
456 static int wm8903_put_deemph(struct snd_kcontrol *kcontrol,
457 struct snd_ctl_elem_value *ucontrol)
458 {
459 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
460 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
461 unsigned int deemph = ucontrol->value.integer.value[0];
462 int ret = 0;
463
464 if (deemph > 1)
465 return -EINVAL;
466
467 mutex_lock(&wm8903->lock);
468 if (wm8903->deemph != deemph) {
469 wm8903->deemph = deemph;
470
471 wm8903_set_deemph(component);
472
473 ret = 1;
474 }
475 mutex_unlock(&wm8903->lock);
476
477 return ret;
478 }
479
480 /* ALSA can only do steps of .01dB */
481 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
482
483 static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
484
485 static const DECLARE_TLV_DB_SCALE(digital_sidetone_tlv, -3600, 300, 0);
486 static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
487
488 static const DECLARE_TLV_DB_SCALE(drc_tlv_thresh, 0, 75, 0);
489 static const DECLARE_TLV_DB_SCALE(drc_tlv_amp, -2250, 75, 0);
490 static const DECLARE_TLV_DB_SCALE(drc_tlv_min, 0, 600, 0);
491 static const DECLARE_TLV_DB_SCALE(drc_tlv_max, 1200, 600, 0);
492 static const DECLARE_TLV_DB_SCALE(drc_tlv_startup, -300, 50, 0);
493
494 static const char *hpf_mode_text[] = {
495 "Hi-fi", "Voice 1", "Voice 2", "Voice 3"
496 };
497
498 static SOC_ENUM_SINGLE_DECL(hpf_mode,
499 WM8903_ADC_DIGITAL_0, 5, hpf_mode_text);
500
501 static const char *osr_text[] = {
502 "Low power", "High performance"
503 };
504
505 static SOC_ENUM_SINGLE_DECL(adc_osr,
506 WM8903_ANALOGUE_ADC_0, 0, osr_text);
507
508 static SOC_ENUM_SINGLE_DECL(dac_osr,
509 WM8903_DAC_DIGITAL_1, 0, osr_text);
510
511 static const char *drc_slope_text[] = {
512 "1", "1/2", "1/4", "1/8", "1/16", "0"
513 };
514
515 static SOC_ENUM_SINGLE_DECL(drc_slope_r0,
516 WM8903_DRC_2, 3, drc_slope_text);
517
518 static SOC_ENUM_SINGLE_DECL(drc_slope_r1,
519 WM8903_DRC_2, 0, drc_slope_text);
520
521 static const char *drc_attack_text[] = {
522 "instantaneous",
523 "363us", "762us", "1.45ms", "2.9ms", "5.8ms", "11.6ms", "23.2ms",
524 "46.4ms", "92.8ms", "185.6ms"
525 };
526
527 static SOC_ENUM_SINGLE_DECL(drc_attack,
528 WM8903_DRC_1, 12, drc_attack_text);
529
530 static const char *drc_decay_text[] = {
531 "186ms", "372ms", "743ms", "1.49s", "2.97s", "5.94s", "11.89s",
532 "23.87s", "47.56s"
533 };
534
535 static SOC_ENUM_SINGLE_DECL(drc_decay,
536 WM8903_DRC_1, 8, drc_decay_text);
537
538 static const char *drc_ff_delay_text[] = {
539 "5 samples", "9 samples"
540 };
541
542 static SOC_ENUM_SINGLE_DECL(drc_ff_delay,
543 WM8903_DRC_0, 5, drc_ff_delay_text);
544
545 static const char *drc_qr_decay_text[] = {
546 "0.725ms", "1.45ms", "5.8ms"
547 };
548
549 static SOC_ENUM_SINGLE_DECL(drc_qr_decay,
550 WM8903_DRC_1, 4, drc_qr_decay_text);
551
552 static const char *drc_smoothing_text[] = {
553 "Low", "Medium", "High"
554 };
555
556 static SOC_ENUM_SINGLE_DECL(drc_smoothing,
557 WM8903_DRC_0, 11, drc_smoothing_text);
558
559 static const char *soft_mute_text[] = {
560 "Fast (fs/2)", "Slow (fs/32)"
561 };
562
563 static SOC_ENUM_SINGLE_DECL(soft_mute,
564 WM8903_DAC_DIGITAL_1, 10, soft_mute_text);
565
566 static const char *mute_mode_text[] = {
567 "Hard", "Soft"
568 };
569
570 static SOC_ENUM_SINGLE_DECL(mute_mode,
571 WM8903_DAC_DIGITAL_1, 9, mute_mode_text);
572
573 static const char *companding_text[] = {
574 "ulaw", "alaw"
575 };
576
577 static SOC_ENUM_SINGLE_DECL(dac_companding,
578 WM8903_AUDIO_INTERFACE_0, 0, companding_text);
579
580 static SOC_ENUM_SINGLE_DECL(adc_companding,
581 WM8903_AUDIO_INTERFACE_0, 2, companding_text);
582
583 static const char *input_mode_text[] = {
584 "Single-Ended", "Differential Line", "Differential Mic"
585 };
586
587 static SOC_ENUM_SINGLE_DECL(linput_mode_enum,
588 WM8903_ANALOGUE_LEFT_INPUT_1, 0, input_mode_text);
589
590 static SOC_ENUM_SINGLE_DECL(rinput_mode_enum,
591 WM8903_ANALOGUE_RIGHT_INPUT_1, 0, input_mode_text);
592
593 static const char *linput_mux_text[] = {
594 "IN1L", "IN2L", "IN3L"
595 };
596
597 static SOC_ENUM_SINGLE_DECL(linput_enum,
598 WM8903_ANALOGUE_LEFT_INPUT_1, 2, linput_mux_text);
599
600 static SOC_ENUM_SINGLE_DECL(linput_inv_enum,
601 WM8903_ANALOGUE_LEFT_INPUT_1, 4, linput_mux_text);
602
603 static const char *rinput_mux_text[] = {
604 "IN1R", "IN2R", "IN3R"
605 };
606
607 static SOC_ENUM_SINGLE_DECL(rinput_enum,
608 WM8903_ANALOGUE_RIGHT_INPUT_1, 2, rinput_mux_text);
609
610 static SOC_ENUM_SINGLE_DECL(rinput_inv_enum,
611 WM8903_ANALOGUE_RIGHT_INPUT_1, 4, rinput_mux_text);
612
613
614 static const char *sidetone_text[] = {
615 "None", "Left", "Right"
616 };
617
618 static SOC_ENUM_SINGLE_DECL(lsidetone_enum,
619 WM8903_DAC_DIGITAL_0, 2, sidetone_text);
620
621 static SOC_ENUM_SINGLE_DECL(rsidetone_enum,
622 WM8903_DAC_DIGITAL_0, 0, sidetone_text);
623
624 static const char *adcinput_text[] = {
625 "ADC", "DMIC"
626 };
627
628 static SOC_ENUM_SINGLE_DECL(adcinput_enum,
629 WM8903_CLOCK_RATE_TEST_4, 9, adcinput_text);
630
631 static const char *aif_text[] = {
632 "Left", "Right"
633 };
634
635 static SOC_ENUM_SINGLE_DECL(lcapture_enum,
636 WM8903_AUDIO_INTERFACE_0, 7, aif_text);
637
638 static SOC_ENUM_SINGLE_DECL(rcapture_enum,
639 WM8903_AUDIO_INTERFACE_0, 6, aif_text);
640
641 static SOC_ENUM_SINGLE_DECL(lplay_enum,
642 WM8903_AUDIO_INTERFACE_0, 5, aif_text);
643
644 static SOC_ENUM_SINGLE_DECL(rplay_enum,
645 WM8903_AUDIO_INTERFACE_0, 4, aif_text);
646
647 static const struct snd_kcontrol_new wm8903_snd_controls[] = {
648
649 /* Input PGAs - No TLV since the scale depends on PGA mode */
650 SOC_SINGLE("Left Input PGA Switch", WM8903_ANALOGUE_LEFT_INPUT_0,
651 7, 1, 1),
652 SOC_SINGLE("Left Input PGA Volume", WM8903_ANALOGUE_LEFT_INPUT_0,
653 0, 31, 0),
654 SOC_SINGLE("Left Input PGA Common Mode Switch", WM8903_ANALOGUE_LEFT_INPUT_1,
655 6, 1, 0),
656
657 SOC_SINGLE("Right Input PGA Switch", WM8903_ANALOGUE_RIGHT_INPUT_0,
658 7, 1, 1),
659 SOC_SINGLE("Right Input PGA Volume", WM8903_ANALOGUE_RIGHT_INPUT_0,
660 0, 31, 0),
661 SOC_SINGLE("Right Input PGA Common Mode Switch", WM8903_ANALOGUE_RIGHT_INPUT_1,
662 6, 1, 0),
663
664 /* ADCs */
665 SOC_ENUM("ADC OSR", adc_osr),
666 SOC_SINGLE("HPF Switch", WM8903_ADC_DIGITAL_0, 4, 1, 0),
667 SOC_ENUM("HPF Mode", hpf_mode),
668 SOC_SINGLE("DRC Switch", WM8903_DRC_0, 15, 1, 0),
669 SOC_ENUM("DRC Compressor Slope R0", drc_slope_r0),
670 SOC_ENUM("DRC Compressor Slope R1", drc_slope_r1),
671 SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8903_DRC_3, 5, 124, 1,
672 drc_tlv_thresh),
673 SOC_SINGLE_TLV("DRC Volume", WM8903_DRC_3, 0, 30, 1, drc_tlv_amp),
674 SOC_SINGLE_TLV("DRC Minimum Gain Volume", WM8903_DRC_1, 2, 3, 1, drc_tlv_min),
675 SOC_SINGLE_TLV("DRC Maximum Gain Volume", WM8903_DRC_1, 0, 3, 0, drc_tlv_max),
676 SOC_ENUM("DRC Attack Rate", drc_attack),
677 SOC_ENUM("DRC Decay Rate", drc_decay),
678 SOC_ENUM("DRC FF Delay", drc_ff_delay),
679 SOC_SINGLE("DRC Anticlip Switch", WM8903_DRC_0, 1, 1, 0),
680 SOC_SINGLE("DRC QR Switch", WM8903_DRC_0, 2, 1, 0),
681 SOC_SINGLE_TLV("DRC QR Threshold Volume", WM8903_DRC_0, 6, 3, 0, drc_tlv_max),
682 SOC_ENUM("DRC QR Decay Rate", drc_qr_decay),
683 SOC_SINGLE("DRC Smoothing Switch", WM8903_DRC_0, 3, 1, 0),
684 SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8903_DRC_0, 0, 1, 0),
685 SOC_ENUM("DRC Smoothing Threshold", drc_smoothing),
686 SOC_SINGLE_TLV("DRC Startup Volume", WM8903_DRC_0, 6, 18, 0, drc_tlv_startup),
687
688 SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8903_ADC_DIGITAL_VOLUME_LEFT,
689 WM8903_ADC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
690 SOC_ENUM("ADC Companding Mode", adc_companding),
691 SOC_SINGLE("ADC Companding Switch", WM8903_AUDIO_INTERFACE_0, 3, 1, 0),
692
693 SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8903_DAC_DIGITAL_0, 4, 8,
694 12, 0, digital_sidetone_tlv),
695
696 /* DAC */
697 SOC_ENUM("DAC OSR", dac_osr),
698 SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8903_DAC_DIGITAL_VOLUME_LEFT,
699 WM8903_DAC_DIGITAL_VOLUME_RIGHT, 1, 120, 0, digital_tlv),
700 SOC_ENUM("DAC Soft Mute Rate", soft_mute),
701 SOC_ENUM("DAC Mute Mode", mute_mode),
702 SOC_SINGLE("DAC Mono Switch", WM8903_DAC_DIGITAL_1, 12, 1, 0),
703 SOC_ENUM("DAC Companding Mode", dac_companding),
704 SOC_SINGLE("DAC Companding Switch", WM8903_AUDIO_INTERFACE_0, 1, 1, 0),
705 SOC_SINGLE_TLV("DAC Boost Volume", WM8903_AUDIO_INTERFACE_0, 9, 3, 0,
706 dac_boost_tlv),
707 SOC_SINGLE_BOOL_EXT("Playback Deemphasis Switch", 0,
708 wm8903_get_deemph, wm8903_put_deemph),
709
710 /* Headphones */
711 SOC_DOUBLE_R("Headphone Switch",
712 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
713 8, 1, 1),
714 SOC_DOUBLE_R("Headphone ZC Switch",
715 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
716 6, 1, 0),
717 SOC_DOUBLE_R_TLV("Headphone Volume",
718 WM8903_ANALOGUE_OUT1_LEFT, WM8903_ANALOGUE_OUT1_RIGHT,
719 0, 63, 0, out_tlv),
720
721 /* Line out */
722 SOC_DOUBLE_R("Line Out Switch",
723 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
724 8, 1, 1),
725 SOC_DOUBLE_R("Line Out ZC Switch",
726 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
727 6, 1, 0),
728 SOC_DOUBLE_R_TLV("Line Out Volume",
729 WM8903_ANALOGUE_OUT2_LEFT, WM8903_ANALOGUE_OUT2_RIGHT,
730 0, 63, 0, out_tlv),
731
732 /* Speaker */
733 SOC_DOUBLE_R("Speaker Switch",
734 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 8, 1, 1),
735 SOC_DOUBLE_R("Speaker ZC Switch",
736 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT, 6, 1, 0),
737 SOC_DOUBLE_R_TLV("Speaker Volume",
738 WM8903_ANALOGUE_OUT3_LEFT, WM8903_ANALOGUE_OUT3_RIGHT,
739 0, 63, 0, out_tlv),
740 };
741
742 static const struct snd_kcontrol_new linput_mode_mux =
743 SOC_DAPM_ENUM("Left Input Mode Mux", linput_mode_enum);
744
745 static const struct snd_kcontrol_new rinput_mode_mux =
746 SOC_DAPM_ENUM("Right Input Mode Mux", rinput_mode_enum);
747
748 static const struct snd_kcontrol_new linput_mux =
749 SOC_DAPM_ENUM("Left Input Mux", linput_enum);
750
751 static const struct snd_kcontrol_new linput_inv_mux =
752 SOC_DAPM_ENUM("Left Inverting Input Mux", linput_inv_enum);
753
754 static const struct snd_kcontrol_new rinput_mux =
755 SOC_DAPM_ENUM("Right Input Mux", rinput_enum);
756
757 static const struct snd_kcontrol_new rinput_inv_mux =
758 SOC_DAPM_ENUM("Right Inverting Input Mux", rinput_inv_enum);
759
760 static const struct snd_kcontrol_new lsidetone_mux =
761 SOC_DAPM_ENUM("DACL Sidetone Mux", lsidetone_enum);
762
763 static const struct snd_kcontrol_new rsidetone_mux =
764 SOC_DAPM_ENUM("DACR Sidetone Mux", rsidetone_enum);
765
766 static const struct snd_kcontrol_new adcinput_mux =
767 SOC_DAPM_ENUM("ADC Input", adcinput_enum);
768
769 static const struct snd_kcontrol_new lcapture_mux =
770 SOC_DAPM_ENUM("Left Capture Mux", lcapture_enum);
771
772 static const struct snd_kcontrol_new rcapture_mux =
773 SOC_DAPM_ENUM("Right Capture Mux", rcapture_enum);
774
775 static const struct snd_kcontrol_new lplay_mux =
776 SOC_DAPM_ENUM("Left Playback Mux", lplay_enum);
777
778 static const struct snd_kcontrol_new rplay_mux =
779 SOC_DAPM_ENUM("Right Playback Mux", rplay_enum);
780
781 static const struct snd_kcontrol_new left_output_mixer[] = {
782 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_LEFT_MIX_0, 3, 1, 0),
783 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_LEFT_MIX_0, 2, 1, 0),
784 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 1, 1, 0),
785 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_LEFT_MIX_0, 0, 1, 0),
786 };
787
788 static const struct snd_kcontrol_new right_output_mixer[] = {
789 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 3, 1, 0),
790 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 2, 1, 0),
791 SOC_DAPM_SINGLE_W("Left Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 1, 1, 0),
792 SOC_DAPM_SINGLE_W("Right Bypass Switch", WM8903_ANALOGUE_RIGHT_MIX_0, 0, 1, 0),
793 };
794
795 static const struct snd_kcontrol_new left_speaker_mixer[] = {
796 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 3, 1, 0),
797 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 2, 1, 0),
798 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0, 1, 1, 0),
799 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_LEFT_0,
800 0, 1, 0),
801 };
802
803 static const struct snd_kcontrol_new right_speaker_mixer[] = {
804 SOC_DAPM_SINGLE("DACL Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 3, 1, 0),
805 SOC_DAPM_SINGLE("DACR Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0, 2, 1, 0),
806 SOC_DAPM_SINGLE("Left Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
807 1, 1, 0),
808 SOC_DAPM_SINGLE("Right Bypass Switch", WM8903_ANALOGUE_SPK_MIX_RIGHT_0,
809 0, 1, 0),
810 };
811
812 static const struct snd_soc_dapm_widget wm8903_dapm_widgets[] = {
813 SND_SOC_DAPM_INPUT("IN1L"),
814 SND_SOC_DAPM_INPUT("IN1R"),
815 SND_SOC_DAPM_INPUT("IN2L"),
816 SND_SOC_DAPM_INPUT("IN2R"),
817 SND_SOC_DAPM_INPUT("IN3L"),
818 SND_SOC_DAPM_INPUT("IN3R"),
819 SND_SOC_DAPM_INPUT("DMICDAT"),
820
821 SND_SOC_DAPM_OUTPUT("HPOUTL"),
822 SND_SOC_DAPM_OUTPUT("HPOUTR"),
823 SND_SOC_DAPM_OUTPUT("LINEOUTL"),
824 SND_SOC_DAPM_OUTPUT("LINEOUTR"),
825 SND_SOC_DAPM_OUTPUT("LOP"),
826 SND_SOC_DAPM_OUTPUT("LON"),
827 SND_SOC_DAPM_OUTPUT("ROP"),
828 SND_SOC_DAPM_OUTPUT("RON"),
829
830 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8903_MIC_BIAS_CONTROL_0, 0, 0, NULL, 0),
831
832 SND_SOC_DAPM_MUX("Left Input Mux", SND_SOC_NOPM, 0, 0, &linput_mux),
833 SND_SOC_DAPM_MUX("Left Input Inverting Mux", SND_SOC_NOPM, 0, 0,
834 &linput_inv_mux),
835 SND_SOC_DAPM_MUX("Left Input Mode Mux", SND_SOC_NOPM, 0, 0, &linput_mode_mux),
836
837 SND_SOC_DAPM_MUX("Right Input Mux", SND_SOC_NOPM, 0, 0, &rinput_mux),
838 SND_SOC_DAPM_MUX("Right Input Inverting Mux", SND_SOC_NOPM, 0, 0,
839 &rinput_inv_mux),
840 SND_SOC_DAPM_MUX("Right Input Mode Mux", SND_SOC_NOPM, 0, 0, &rinput_mode_mux),
841
842 SND_SOC_DAPM_PGA("Left Input PGA", WM8903_POWER_MANAGEMENT_0, 1, 0, NULL, 0),
843 SND_SOC_DAPM_PGA("Right Input PGA", WM8903_POWER_MANAGEMENT_0, 0, 0, NULL, 0),
844
845 SND_SOC_DAPM_MUX("Left ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
846 SND_SOC_DAPM_MUX("Right ADC Input", SND_SOC_NOPM, 0, 0, &adcinput_mux),
847
848 SND_SOC_DAPM_ADC("ADCL", NULL, WM8903_POWER_MANAGEMENT_6, 1, 0),
849 SND_SOC_DAPM_ADC("ADCR", NULL, WM8903_POWER_MANAGEMENT_6, 0, 0),
850
851 SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lcapture_mux),
852 SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rcapture_mux),
853
854 SND_SOC_DAPM_AIF_OUT("AIFTXL", "Left HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
855 SND_SOC_DAPM_AIF_OUT("AIFTXR", "Right HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
856
857 SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &lsidetone_mux),
858 SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &rsidetone_mux),
859
860 SND_SOC_DAPM_AIF_IN("AIFRXL", "Left Playback", 0, SND_SOC_NOPM, 0, 0),
861 SND_SOC_DAPM_AIF_IN("AIFRXR", "Right Playback", 0, SND_SOC_NOPM, 0, 0),
862
863 SND_SOC_DAPM_MUX("Left Playback Mux", SND_SOC_NOPM, 0, 0, &lplay_mux),
864 SND_SOC_DAPM_MUX("Right Playback Mux", SND_SOC_NOPM, 0, 0, &rplay_mux),
865
866 SND_SOC_DAPM_DAC("DACL", NULL, WM8903_POWER_MANAGEMENT_6, 3, 0),
867 SND_SOC_DAPM_DAC("DACR", NULL, WM8903_POWER_MANAGEMENT_6, 2, 0),
868
869 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8903_POWER_MANAGEMENT_1, 1, 0,
870 left_output_mixer, ARRAY_SIZE(left_output_mixer)),
871 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8903_POWER_MANAGEMENT_1, 0, 0,
872 right_output_mixer, ARRAY_SIZE(right_output_mixer)),
873
874 SND_SOC_DAPM_MIXER("Left Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 1, 0,
875 left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
876 SND_SOC_DAPM_MIXER("Right Speaker Mixer", WM8903_POWER_MANAGEMENT_4, 0, 0,
877 right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
878
879 SND_SOC_DAPM_PGA_S("Left Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
880 1, 0, NULL, 0),
881 SND_SOC_DAPM_PGA_S("Right Headphone Output PGA", 0, WM8903_POWER_MANAGEMENT_2,
882 0, 0, NULL, 0),
883
884 SND_SOC_DAPM_PGA_S("Left Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 1, 0,
885 NULL, 0),
886 SND_SOC_DAPM_PGA_S("Right Line Output PGA", 0, WM8903_POWER_MANAGEMENT_3, 0, 0,
887 NULL, 0),
888
889 SND_SOC_DAPM_PGA_S("HPL_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 7, 0, NULL, 0),
890 SND_SOC_DAPM_PGA_S("HPL_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 6, 0, NULL, 0),
891 SND_SOC_DAPM_PGA_S("HPL_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 5, 0, NULL, 0),
892 SND_SOC_DAPM_PGA_S("HPL_ENA", 1, WM8903_ANALOGUE_HP_0, 4, 0, NULL, 0),
893 SND_SOC_DAPM_PGA_S("HPR_RMV_SHORT", 4, WM8903_ANALOGUE_HP_0, 3, 0, NULL, 0),
894 SND_SOC_DAPM_PGA_S("HPR_ENA_OUTP", 3, WM8903_ANALOGUE_HP_0, 2, 0, NULL, 0),
895 SND_SOC_DAPM_PGA_S("HPR_ENA_DLY", 2, WM8903_ANALOGUE_HP_0, 1, 0, NULL, 0),
896 SND_SOC_DAPM_PGA_S("HPR_ENA", 1, WM8903_ANALOGUE_HP_0, 0, 0, NULL, 0),
897
898 SND_SOC_DAPM_PGA_S("LINEOUTL_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 7, 0,
899 NULL, 0),
900 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 6, 0,
901 NULL, 0),
902 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 5, 0,
903 NULL, 0),
904 SND_SOC_DAPM_PGA_S("LINEOUTL_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 4, 0,
905 NULL, 0),
906 SND_SOC_DAPM_PGA_S("LINEOUTR_RMV_SHORT", 4, WM8903_ANALOGUE_LINEOUT_0, 3, 0,
907 NULL, 0),
908 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_OUTP", 3, WM8903_ANALOGUE_LINEOUT_0, 2, 0,
909 NULL, 0),
910 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA_DLY", 2, WM8903_ANALOGUE_LINEOUT_0, 1, 0,
911 NULL, 0),
912 SND_SOC_DAPM_PGA_S("LINEOUTR_ENA", 1, WM8903_ANALOGUE_LINEOUT_0, 0, 0,
913 NULL, 0),
914
915 SND_SOC_DAPM_SUPPLY("DCS Master", WM8903_DC_SERVO_0, 4, 0, NULL, 0),
916 SND_SOC_DAPM_PGA_S("HPL_DCS", 3, SND_SOC_NOPM, 3, 0, wm8903_dcs_event,
917 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
918 SND_SOC_DAPM_PGA_S("HPR_DCS", 3, SND_SOC_NOPM, 2, 0, wm8903_dcs_event,
919 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
920 SND_SOC_DAPM_PGA_S("LINEOUTL_DCS", 3, SND_SOC_NOPM, 1, 0, wm8903_dcs_event,
921 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
922 SND_SOC_DAPM_PGA_S("LINEOUTR_DCS", 3, SND_SOC_NOPM, 0, 0, wm8903_dcs_event,
923 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
924
925 SND_SOC_DAPM_PGA("Left Speaker PGA", WM8903_POWER_MANAGEMENT_5, 1, 0,
926 NULL, 0),
927 SND_SOC_DAPM_PGA("Right Speaker PGA", WM8903_POWER_MANAGEMENT_5, 0, 0,
928 NULL, 0),
929
930 SND_SOC_DAPM_SUPPLY("Charge Pump", WM8903_CHARGE_PUMP_0, 0, 0,
931 wm8903_cp_event, SND_SOC_DAPM_POST_PMU),
932 SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8903_CLOCK_RATES_2, 1, 0, NULL, 0),
933 SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8903_CLOCK_RATES_2, 2, 0, NULL, 0),
934 };
935
936 static const struct snd_soc_dapm_route wm8903_intercon[] = {
937
938 { "CLK_DSP", NULL, "CLK_SYS" },
939 { "MICBIAS", NULL, "CLK_SYS" },
940 { "HPL_DCS", NULL, "CLK_SYS" },
941 { "HPR_DCS", NULL, "CLK_SYS" },
942 { "LINEOUTL_DCS", NULL, "CLK_SYS" },
943 { "LINEOUTR_DCS", NULL, "CLK_SYS" },
944
945 { "Left Input Mux", "IN1L", "IN1L" },
946 { "Left Input Mux", "IN2L", "IN2L" },
947 { "Left Input Mux", "IN3L", "IN3L" },
948
949 { "Left Input Inverting Mux", "IN1L", "IN1L" },
950 { "Left Input Inverting Mux", "IN2L", "IN2L" },
951 { "Left Input Inverting Mux", "IN3L", "IN3L" },
952
953 { "Right Input Mux", "IN1R", "IN1R" },
954 { "Right Input Mux", "IN2R", "IN2R" },
955 { "Right Input Mux", "IN3R", "IN3R" },
956
957 { "Right Input Inverting Mux", "IN1R", "IN1R" },
958 { "Right Input Inverting Mux", "IN2R", "IN2R" },
959 { "Right Input Inverting Mux", "IN3R", "IN3R" },
960
961 { "Left Input Mode Mux", "Single-Ended", "Left Input Inverting Mux" },
962 { "Left Input Mode Mux", "Differential Line",
963 "Left Input Mux" },
964 { "Left Input Mode Mux", "Differential Line",
965 "Left Input Inverting Mux" },
966 { "Left Input Mode Mux", "Differential Mic",
967 "Left Input Mux" },
968 { "Left Input Mode Mux", "Differential Mic",
969 "Left Input Inverting Mux" },
970
971 { "Right Input Mode Mux", "Single-Ended",
972 "Right Input Inverting Mux" },
973 { "Right Input Mode Mux", "Differential Line",
974 "Right Input Mux" },
975 { "Right Input Mode Mux", "Differential Line",
976 "Right Input Inverting Mux" },
977 { "Right Input Mode Mux", "Differential Mic",
978 "Right Input Mux" },
979 { "Right Input Mode Mux", "Differential Mic",
980 "Right Input Inverting Mux" },
981
982 { "Left Input PGA", NULL, "Left Input Mode Mux" },
983 { "Right Input PGA", NULL, "Right Input Mode Mux" },
984
985 { "Left ADC Input", "ADC", "Left Input PGA" },
986 { "Left ADC Input", "DMIC", "DMICDAT" },
987 { "Right ADC Input", "ADC", "Right Input PGA" },
988 { "Right ADC Input", "DMIC", "DMICDAT" },
989
990 { "Left Capture Mux", "Left", "ADCL" },
991 { "Left Capture Mux", "Right", "ADCR" },
992
993 { "Right Capture Mux", "Left", "ADCL" },
994 { "Right Capture Mux", "Right", "ADCR" },
995
996 { "AIFTXL", NULL, "Left Capture Mux" },
997 { "AIFTXR", NULL, "Right Capture Mux" },
998
999 { "ADCL", NULL, "Left ADC Input" },
1000 { "ADCL", NULL, "CLK_DSP" },
1001 { "ADCR", NULL, "Right ADC Input" },
1002 { "ADCR", NULL, "CLK_DSP" },
1003
1004 { "Left Playback Mux", "Left", "AIFRXL" },
1005 { "Left Playback Mux", "Right", "AIFRXR" },
1006
1007 { "Right Playback Mux", "Left", "AIFRXL" },
1008 { "Right Playback Mux", "Right", "AIFRXR" },
1009
1010 { "DACL Sidetone", "Left", "ADCL" },
1011 { "DACL Sidetone", "Right", "ADCR" },
1012 { "DACR Sidetone", "Left", "ADCL" },
1013 { "DACR Sidetone", "Right", "ADCR" },
1014
1015 { "DACL", NULL, "Left Playback Mux" },
1016 { "DACL", NULL, "DACL Sidetone" },
1017 { "DACL", NULL, "CLK_DSP" },
1018
1019 { "DACR", NULL, "Right Playback Mux" },
1020 { "DACR", NULL, "DACR Sidetone" },
1021 { "DACR", NULL, "CLK_DSP" },
1022
1023 { "Left Output Mixer", "Left Bypass Switch", "Left Input PGA" },
1024 { "Left Output Mixer", "Right Bypass Switch", "Right Input PGA" },
1025 { "Left Output Mixer", "DACL Switch", "DACL" },
1026 { "Left Output Mixer", "DACR Switch", "DACR" },
1027
1028 { "Right Output Mixer", "Left Bypass Switch", "Left Input PGA" },
1029 { "Right Output Mixer", "Right Bypass Switch", "Right Input PGA" },
1030 { "Right Output Mixer", "DACL Switch", "DACL" },
1031 { "Right Output Mixer", "DACR Switch", "DACR" },
1032
1033 { "Left Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
1034 { "Left Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
1035 { "Left Speaker Mixer", "DACL Switch", "DACL" },
1036 { "Left Speaker Mixer", "DACR Switch", "DACR" },
1037
1038 { "Right Speaker Mixer", "Left Bypass Switch", "Left Input PGA" },
1039 { "Right Speaker Mixer", "Right Bypass Switch", "Right Input PGA" },
1040 { "Right Speaker Mixer", "DACL Switch", "DACL" },
1041 { "Right Speaker Mixer", "DACR Switch", "DACR" },
1042
1043 { "Left Line Output PGA", NULL, "Left Output Mixer" },
1044 { "Right Line Output PGA", NULL, "Right Output Mixer" },
1045
1046 { "Left Headphone Output PGA", NULL, "Left Output Mixer" },
1047 { "Right Headphone Output PGA", NULL, "Right Output Mixer" },
1048
1049 { "Left Speaker PGA", NULL, "Left Speaker Mixer" },
1050 { "Right Speaker PGA", NULL, "Right Speaker Mixer" },
1051
1052 { "HPL_ENA", NULL, "Left Headphone Output PGA" },
1053 { "HPR_ENA", NULL, "Right Headphone Output PGA" },
1054 { "HPL_ENA_DLY", NULL, "HPL_ENA" },
1055 { "HPR_ENA_DLY", NULL, "HPR_ENA" },
1056 { "LINEOUTL_ENA", NULL, "Left Line Output PGA" },
1057 { "LINEOUTR_ENA", NULL, "Right Line Output PGA" },
1058 { "LINEOUTL_ENA_DLY", NULL, "LINEOUTL_ENA" },
1059 { "LINEOUTR_ENA_DLY", NULL, "LINEOUTR_ENA" },
1060
1061 { "HPL_DCS", NULL, "DCS Master" },
1062 { "HPR_DCS", NULL, "DCS Master" },
1063 { "LINEOUTL_DCS", NULL, "DCS Master" },
1064 { "LINEOUTR_DCS", NULL, "DCS Master" },
1065
1066 { "HPL_DCS", NULL, "HPL_ENA_DLY" },
1067 { "HPR_DCS", NULL, "HPR_ENA_DLY" },
1068 { "LINEOUTL_DCS", NULL, "LINEOUTL_ENA_DLY" },
1069 { "LINEOUTR_DCS", NULL, "LINEOUTR_ENA_DLY" },
1070
1071 { "HPL_ENA_OUTP", NULL, "HPL_DCS" },
1072 { "HPR_ENA_OUTP", NULL, "HPR_DCS" },
1073 { "LINEOUTL_ENA_OUTP", NULL, "LINEOUTL_DCS" },
1074 { "LINEOUTR_ENA_OUTP", NULL, "LINEOUTR_DCS" },
1075
1076 { "HPL_RMV_SHORT", NULL, "HPL_ENA_OUTP" },
1077 { "HPR_RMV_SHORT", NULL, "HPR_ENA_OUTP" },
1078 { "LINEOUTL_RMV_SHORT", NULL, "LINEOUTL_ENA_OUTP" },
1079 { "LINEOUTR_RMV_SHORT", NULL, "LINEOUTR_ENA_OUTP" },
1080
1081 { "HPOUTL", NULL, "HPL_RMV_SHORT" },
1082 { "HPOUTR", NULL, "HPR_RMV_SHORT" },
1083 { "LINEOUTL", NULL, "LINEOUTL_RMV_SHORT" },
1084 { "LINEOUTR", NULL, "LINEOUTR_RMV_SHORT" },
1085
1086 { "LOP", NULL, "Left Speaker PGA" },
1087 { "LON", NULL, "Left Speaker PGA" },
1088
1089 { "ROP", NULL, "Right Speaker PGA" },
1090 { "RON", NULL, "Right Speaker PGA" },
1091
1092 { "Charge Pump", NULL, "CLK_DSP" },
1093
1094 { "Left Headphone Output PGA", NULL, "Charge Pump" },
1095 { "Right Headphone Output PGA", NULL, "Charge Pump" },
1096 { "Left Line Output PGA", NULL, "Charge Pump" },
1097 { "Right Line Output PGA", NULL, "Charge Pump" },
1098 };
1099
1100 static int wm8903_set_bias_level(struct snd_soc_component *component,
1101 enum snd_soc_bias_level level)
1102 {
1103 switch (level) {
1104 case SND_SOC_BIAS_ON:
1105 break;
1106
1107 case SND_SOC_BIAS_PREPARE:
1108 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1109 WM8903_VMID_RES_MASK,
1110 WM8903_VMID_RES_50K);
1111 break;
1112
1113 case SND_SOC_BIAS_STANDBY:
1114 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1115 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0,
1116 WM8903_POBCTRL | WM8903_ISEL_MASK |
1117 WM8903_STARTUP_BIAS_ENA |
1118 WM8903_BIAS_ENA,
1119 WM8903_POBCTRL |
1120 (2 << WM8903_ISEL_SHIFT) |
1121 WM8903_STARTUP_BIAS_ENA);
1122
1123 snd_soc_component_update_bits(component,
1124 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
1125 WM8903_SPK_DISCHARGE,
1126 WM8903_SPK_DISCHARGE);
1127
1128 msleep(33);
1129
1130 snd_soc_component_update_bits(component, WM8903_POWER_MANAGEMENT_5,
1131 WM8903_SPKL_ENA | WM8903_SPKR_ENA,
1132 WM8903_SPKL_ENA | WM8903_SPKR_ENA);
1133
1134 snd_soc_component_update_bits(component,
1135 WM8903_ANALOGUE_SPK_OUTPUT_CONTROL_0,
1136 WM8903_SPK_DISCHARGE, 0);
1137
1138 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1139 WM8903_VMID_TIE_ENA |
1140 WM8903_BUFIO_ENA |
1141 WM8903_VMID_IO_ENA |
1142 WM8903_VMID_SOFT_MASK |
1143 WM8903_VMID_RES_MASK |
1144 WM8903_VMID_BUF_ENA,
1145 WM8903_VMID_TIE_ENA |
1146 WM8903_BUFIO_ENA |
1147 WM8903_VMID_IO_ENA |
1148 (2 << WM8903_VMID_SOFT_SHIFT) |
1149 WM8903_VMID_RES_250K |
1150 WM8903_VMID_BUF_ENA);
1151
1152 msleep(129);
1153
1154 snd_soc_component_update_bits(component, WM8903_POWER_MANAGEMENT_5,
1155 WM8903_SPKL_ENA | WM8903_SPKR_ENA,
1156 0);
1157
1158 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1159 WM8903_VMID_SOFT_MASK, 0);
1160
1161 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1162 WM8903_VMID_RES_MASK,
1163 WM8903_VMID_RES_50K);
1164
1165 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0,
1166 WM8903_BIAS_ENA | WM8903_POBCTRL,
1167 WM8903_BIAS_ENA);
1168
1169 /* By default no bypass paths are enabled so
1170 * enable Class W support.
1171 */
1172 dev_dbg(component->dev, "Enabling Class W\n");
1173 snd_soc_component_update_bits(component, WM8903_CLASS_W_0,
1174 WM8903_CP_DYN_FREQ |
1175 WM8903_CP_DYN_V,
1176 WM8903_CP_DYN_FREQ |
1177 WM8903_CP_DYN_V);
1178 }
1179
1180 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1181 WM8903_VMID_RES_MASK,
1182 WM8903_VMID_RES_250K);
1183 break;
1184
1185 case SND_SOC_BIAS_OFF:
1186 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0,
1187 WM8903_BIAS_ENA, 0);
1188
1189 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1190 WM8903_VMID_SOFT_MASK,
1191 2 << WM8903_VMID_SOFT_SHIFT);
1192
1193 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1194 WM8903_VMID_BUF_ENA, 0);
1195
1196 msleep(290);
1197
1198 snd_soc_component_update_bits(component, WM8903_VMID_CONTROL_0,
1199 WM8903_VMID_TIE_ENA | WM8903_BUFIO_ENA |
1200 WM8903_VMID_IO_ENA | WM8903_VMID_RES_MASK |
1201 WM8903_VMID_SOFT_MASK |
1202 WM8903_VMID_BUF_ENA, 0);
1203
1204 snd_soc_component_update_bits(component, WM8903_BIAS_CONTROL_0,
1205 WM8903_STARTUP_BIAS_ENA, 0);
1206 break;
1207 }
1208
1209 return 0;
1210 }
1211
1212 static int wm8903_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1213 int clk_id, unsigned int freq, int dir)
1214 {
1215 struct snd_soc_component *component = codec_dai->component;
1216 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1217
1218 wm8903->sysclk = freq;
1219
1220 return 0;
1221 }
1222
1223 static int wm8903_set_dai_fmt(struct snd_soc_dai *codec_dai,
1224 unsigned int fmt)
1225 {
1226 struct snd_soc_component *component = codec_dai->component;
1227 u16 aif1 = snd_soc_component_read32(component, WM8903_AUDIO_INTERFACE_1);
1228
1229 aif1 &= ~(WM8903_LRCLK_DIR | WM8903_BCLK_DIR | WM8903_AIF_FMT_MASK |
1230 WM8903_AIF_LRCLK_INV | WM8903_AIF_BCLK_INV);
1231
1232 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1233 case SND_SOC_DAIFMT_CBS_CFS:
1234 break;
1235 case SND_SOC_DAIFMT_CBS_CFM:
1236 aif1 |= WM8903_LRCLK_DIR;
1237 break;
1238 case SND_SOC_DAIFMT_CBM_CFM:
1239 aif1 |= WM8903_LRCLK_DIR | WM8903_BCLK_DIR;
1240 break;
1241 case SND_SOC_DAIFMT_CBM_CFS:
1242 aif1 |= WM8903_BCLK_DIR;
1243 break;
1244 default:
1245 return -EINVAL;
1246 }
1247
1248 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1249 case SND_SOC_DAIFMT_DSP_A:
1250 aif1 |= 0x3;
1251 break;
1252 case SND_SOC_DAIFMT_DSP_B:
1253 aif1 |= 0x3 | WM8903_AIF_LRCLK_INV;
1254 break;
1255 case SND_SOC_DAIFMT_I2S:
1256 aif1 |= 0x2;
1257 break;
1258 case SND_SOC_DAIFMT_RIGHT_J:
1259 aif1 |= 0x1;
1260 break;
1261 case SND_SOC_DAIFMT_LEFT_J:
1262 break;
1263 default:
1264 return -EINVAL;
1265 }
1266
1267 /* Clock inversion */
1268 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1269 case SND_SOC_DAIFMT_DSP_A:
1270 case SND_SOC_DAIFMT_DSP_B:
1271 /* frame inversion not valid for DSP modes */
1272 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1273 case SND_SOC_DAIFMT_NB_NF:
1274 break;
1275 case SND_SOC_DAIFMT_IB_NF:
1276 aif1 |= WM8903_AIF_BCLK_INV;
1277 break;
1278 default:
1279 return -EINVAL;
1280 }
1281 break;
1282 case SND_SOC_DAIFMT_I2S:
1283 case SND_SOC_DAIFMT_RIGHT_J:
1284 case SND_SOC_DAIFMT_LEFT_J:
1285 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1286 case SND_SOC_DAIFMT_NB_NF:
1287 break;
1288 case SND_SOC_DAIFMT_IB_IF:
1289 aif1 |= WM8903_AIF_BCLK_INV | WM8903_AIF_LRCLK_INV;
1290 break;
1291 case SND_SOC_DAIFMT_IB_NF:
1292 aif1 |= WM8903_AIF_BCLK_INV;
1293 break;
1294 case SND_SOC_DAIFMT_NB_IF:
1295 aif1 |= WM8903_AIF_LRCLK_INV;
1296 break;
1297 default:
1298 return -EINVAL;
1299 }
1300 break;
1301 default:
1302 return -EINVAL;
1303 }
1304
1305 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_1, aif1);
1306
1307 return 0;
1308 }
1309
1310 static int wm8903_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1311 {
1312 struct snd_soc_component *component = codec_dai->component;
1313 u16 reg;
1314
1315 reg = snd_soc_component_read32(component, WM8903_DAC_DIGITAL_1);
1316
1317 if (mute)
1318 reg |= WM8903_DAC_MUTE;
1319 else
1320 reg &= ~WM8903_DAC_MUTE;
1321
1322 snd_soc_component_write(component, WM8903_DAC_DIGITAL_1, reg);
1323
1324 return 0;
1325 }
1326
1327 /* Lookup table for CLK_SYS/fs ratio. 256fs or more is recommended
1328 * for optimal performance so we list the lower rates first and match
1329 * on the last match we find. */
1330 static struct {
1331 int div;
1332 int rate;
1333 int mode;
1334 int mclk_div;
1335 } clk_sys_ratios[] = {
1336 { 64, 0x0, 0x0, 1 },
1337 { 68, 0x0, 0x1, 1 },
1338 { 125, 0x0, 0x2, 1 },
1339 { 128, 0x1, 0x0, 1 },
1340 { 136, 0x1, 0x1, 1 },
1341 { 192, 0x2, 0x0, 1 },
1342 { 204, 0x2, 0x1, 1 },
1343
1344 { 64, 0x0, 0x0, 2 },
1345 { 68, 0x0, 0x1, 2 },
1346 { 125, 0x0, 0x2, 2 },
1347 { 128, 0x1, 0x0, 2 },
1348 { 136, 0x1, 0x1, 2 },
1349 { 192, 0x2, 0x0, 2 },
1350 { 204, 0x2, 0x1, 2 },
1351
1352 { 250, 0x2, 0x2, 1 },
1353 { 256, 0x3, 0x0, 1 },
1354 { 272, 0x3, 0x1, 1 },
1355 { 384, 0x4, 0x0, 1 },
1356 { 408, 0x4, 0x1, 1 },
1357 { 375, 0x4, 0x2, 1 },
1358 { 512, 0x5, 0x0, 1 },
1359 { 544, 0x5, 0x1, 1 },
1360 { 500, 0x5, 0x2, 1 },
1361 { 768, 0x6, 0x0, 1 },
1362 { 816, 0x6, 0x1, 1 },
1363 { 750, 0x6, 0x2, 1 },
1364 { 1024, 0x7, 0x0, 1 },
1365 { 1088, 0x7, 0x1, 1 },
1366 { 1000, 0x7, 0x2, 1 },
1367 { 1408, 0x8, 0x0, 1 },
1368 { 1496, 0x8, 0x1, 1 },
1369 { 1536, 0x9, 0x0, 1 },
1370 { 1632, 0x9, 0x1, 1 },
1371 { 1500, 0x9, 0x2, 1 },
1372
1373 { 250, 0x2, 0x2, 2 },
1374 { 256, 0x3, 0x0, 2 },
1375 { 272, 0x3, 0x1, 2 },
1376 { 384, 0x4, 0x0, 2 },
1377 { 408, 0x4, 0x1, 2 },
1378 { 375, 0x4, 0x2, 2 },
1379 { 512, 0x5, 0x0, 2 },
1380 { 544, 0x5, 0x1, 2 },
1381 { 500, 0x5, 0x2, 2 },
1382 { 768, 0x6, 0x0, 2 },
1383 { 816, 0x6, 0x1, 2 },
1384 { 750, 0x6, 0x2, 2 },
1385 { 1024, 0x7, 0x0, 2 },
1386 { 1088, 0x7, 0x1, 2 },
1387 { 1000, 0x7, 0x2, 2 },
1388 { 1408, 0x8, 0x0, 2 },
1389 { 1496, 0x8, 0x1, 2 },
1390 { 1536, 0x9, 0x0, 2 },
1391 { 1632, 0x9, 0x1, 2 },
1392 { 1500, 0x9, 0x2, 2 },
1393 };
1394
1395 /* CLK_SYS/BCLK ratios - multiplied by 10 due to .5s */
1396 static struct {
1397 int ratio;
1398 int div;
1399 } bclk_divs[] = {
1400 { 10, 0 },
1401 { 20, 2 },
1402 { 30, 3 },
1403 { 40, 4 },
1404 { 50, 5 },
1405 { 60, 7 },
1406 { 80, 8 },
1407 { 100, 9 },
1408 { 120, 11 },
1409 { 160, 12 },
1410 { 200, 13 },
1411 { 220, 14 },
1412 { 240, 15 },
1413 { 300, 17 },
1414 { 320, 18 },
1415 { 440, 19 },
1416 { 480, 20 },
1417 };
1418
1419 /* Sample rates for DSP */
1420 static struct {
1421 int rate;
1422 int value;
1423 } sample_rates[] = {
1424 { 8000, 0 },
1425 { 11025, 1 },
1426 { 12000, 2 },
1427 { 16000, 3 },
1428 { 22050, 4 },
1429 { 24000, 5 },
1430 { 32000, 6 },
1431 { 44100, 7 },
1432 { 48000, 8 },
1433 { 88200, 9 },
1434 { 96000, 10 },
1435 { 0, 0 },
1436 };
1437
1438 static int wm8903_hw_params(struct snd_pcm_substream *substream,
1439 struct snd_pcm_hw_params *params,
1440 struct snd_soc_dai *dai)
1441 {
1442 struct snd_soc_component *component = dai->component;
1443 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1444 int fs = params_rate(params);
1445 int bclk;
1446 int bclk_div;
1447 int i;
1448 int dsp_config;
1449 int clk_config;
1450 int best_val;
1451 int cur_val;
1452 int clk_sys;
1453
1454 u16 aif1 = snd_soc_component_read32(component, WM8903_AUDIO_INTERFACE_1);
1455 u16 aif2 = snd_soc_component_read32(component, WM8903_AUDIO_INTERFACE_2);
1456 u16 aif3 = snd_soc_component_read32(component, WM8903_AUDIO_INTERFACE_3);
1457 u16 clock0 = snd_soc_component_read32(component, WM8903_CLOCK_RATES_0);
1458 u16 clock1 = snd_soc_component_read32(component, WM8903_CLOCK_RATES_1);
1459 u16 dac_digital1 = snd_soc_component_read32(component, WM8903_DAC_DIGITAL_1);
1460
1461 /* Enable sloping stopband filter for low sample rates */
1462 if (fs <= 24000)
1463 dac_digital1 |= WM8903_DAC_SB_FILT;
1464 else
1465 dac_digital1 &= ~WM8903_DAC_SB_FILT;
1466
1467 /* Configure sample rate logic for DSP - choose nearest rate */
1468 dsp_config = 0;
1469 best_val = abs(sample_rates[dsp_config].rate - fs);
1470 for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
1471 cur_val = abs(sample_rates[i].rate - fs);
1472 if (cur_val <= best_val) {
1473 dsp_config = i;
1474 best_val = cur_val;
1475 }
1476 }
1477
1478 dev_dbg(component->dev, "DSP fs = %dHz\n", sample_rates[dsp_config].rate);
1479 clock1 &= ~WM8903_SAMPLE_RATE_MASK;
1480 clock1 |= sample_rates[dsp_config].value;
1481
1482 aif1 &= ~WM8903_AIF_WL_MASK;
1483 bclk = 2 * fs;
1484 switch (params_width(params)) {
1485 case 16:
1486 bclk *= 16;
1487 break;
1488 case 20:
1489 bclk *= 20;
1490 aif1 |= 0x4;
1491 break;
1492 case 24:
1493 bclk *= 24;
1494 aif1 |= 0x8;
1495 break;
1496 case 32:
1497 bclk *= 32;
1498 aif1 |= 0xc;
1499 break;
1500 default:
1501 return -EINVAL;
1502 }
1503
1504 dev_dbg(component->dev, "MCLK = %dHz, target sample rate = %dHz\n",
1505 wm8903->sysclk, fs);
1506
1507 /* We may not have an MCLK which allows us to generate exactly
1508 * the clock we want, particularly with USB derived inputs, so
1509 * approximate.
1510 */
1511 clk_config = 0;
1512 best_val = abs((wm8903->sysclk /
1513 (clk_sys_ratios[0].mclk_div *
1514 clk_sys_ratios[0].div)) - fs);
1515 for (i = 1; i < ARRAY_SIZE(clk_sys_ratios); i++) {
1516 cur_val = abs((wm8903->sysclk /
1517 (clk_sys_ratios[i].mclk_div *
1518 clk_sys_ratios[i].div)) - fs);
1519
1520 if (cur_val <= best_val) {
1521 clk_config = i;
1522 best_val = cur_val;
1523 }
1524 }
1525
1526 if (clk_sys_ratios[clk_config].mclk_div == 2) {
1527 clock0 |= WM8903_MCLKDIV2;
1528 clk_sys = wm8903->sysclk / 2;
1529 } else {
1530 clock0 &= ~WM8903_MCLKDIV2;
1531 clk_sys = wm8903->sysclk;
1532 }
1533
1534 clock1 &= ~(WM8903_CLK_SYS_RATE_MASK |
1535 WM8903_CLK_SYS_MODE_MASK);
1536 clock1 |= clk_sys_ratios[clk_config].rate << WM8903_CLK_SYS_RATE_SHIFT;
1537 clock1 |= clk_sys_ratios[clk_config].mode << WM8903_CLK_SYS_MODE_SHIFT;
1538
1539 dev_dbg(component->dev, "CLK_SYS_RATE=%x, CLK_SYS_MODE=%x div=%d\n",
1540 clk_sys_ratios[clk_config].rate,
1541 clk_sys_ratios[clk_config].mode,
1542 clk_sys_ratios[clk_config].div);
1543
1544 dev_dbg(component->dev, "Actual CLK_SYS = %dHz\n", clk_sys);
1545
1546 /* We may not get quite the right frequency if using
1547 * approximate clocks so look for the closest match that is
1548 * higher than the target (we need to ensure that there enough
1549 * BCLKs to clock out the samples).
1550 */
1551 bclk_div = 0;
1552 best_val = ((clk_sys * 10) / bclk_divs[0].ratio) - bclk;
1553 i = 1;
1554 while (i < ARRAY_SIZE(bclk_divs)) {
1555 cur_val = ((clk_sys * 10) / bclk_divs[i].ratio) - bclk;
1556 if (cur_val < 0) /* BCLK table is sorted */
1557 break;
1558 bclk_div = i;
1559 best_val = cur_val;
1560 i++;
1561 }
1562
1563 aif2 &= ~WM8903_BCLK_DIV_MASK;
1564 aif3 &= ~WM8903_LRCLK_RATE_MASK;
1565
1566 dev_dbg(component->dev, "BCLK ratio %d for %dHz - actual BCLK = %dHz\n",
1567 bclk_divs[bclk_div].ratio / 10, bclk,
1568 (clk_sys * 10) / bclk_divs[bclk_div].ratio);
1569
1570 aif2 |= bclk_divs[bclk_div].div;
1571 aif3 |= bclk / fs;
1572
1573 wm8903->fs = params_rate(params);
1574 wm8903_set_deemph(component);
1575
1576 snd_soc_component_write(component, WM8903_CLOCK_RATES_0, clock0);
1577 snd_soc_component_write(component, WM8903_CLOCK_RATES_1, clock1);
1578 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_1, aif1);
1579 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_2, aif2);
1580 snd_soc_component_write(component, WM8903_AUDIO_INTERFACE_3, aif3);
1581 snd_soc_component_write(component, WM8903_DAC_DIGITAL_1, dac_digital1);
1582
1583 return 0;
1584 }
1585
1586 /**
1587 * wm8903_mic_detect - Enable microphone detection via the WM8903 IRQ
1588 *
1589 * @component: WM8903 component
1590 * @jack: jack to report detection events on
1591 * @det: value to report for presence detection
1592 * @shrt: value to report for short detection
1593 *
1594 * Enable microphone detection via IRQ on the WM8903. If GPIOs are
1595 * being used to bring out signals to the processor then only platform
1596 * data configuration is needed for WM8903 and processor GPIOs should
1597 * be configured using snd_soc_jack_add_gpios() instead.
1598 *
1599 * The current threasholds for detection should be configured using
1600 * micdet_cfg in the platform data. Using this function will force on
1601 * the microphone bias for the device.
1602 */
1603 int wm8903_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack,
1604 int det, int shrt)
1605 {
1606 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1607 int irq_mask = WM8903_MICDET_EINT | WM8903_MICSHRT_EINT;
1608
1609 dev_dbg(component->dev, "Enabling microphone detection: %x %x\n",
1610 det, shrt);
1611
1612 /* Store the configuration */
1613 wm8903->mic_jack = jack;
1614 wm8903->mic_det = det;
1615 wm8903->mic_short = shrt;
1616
1617 /* Enable interrupts we've got a report configured for */
1618 if (det)
1619 irq_mask &= ~WM8903_MICDET_EINT;
1620 if (shrt)
1621 irq_mask &= ~WM8903_MICSHRT_EINT;
1622
1623 snd_soc_component_update_bits(component, WM8903_INTERRUPT_STATUS_1_MASK,
1624 WM8903_MICDET_EINT | WM8903_MICSHRT_EINT,
1625 irq_mask);
1626
1627 if (det || shrt) {
1628 /* Enable mic detection, this may not have been set through
1629 * platform data (eg, if the defaults are OK). */
1630 snd_soc_component_update_bits(component, WM8903_WRITE_SEQUENCER_0,
1631 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
1632 snd_soc_component_update_bits(component, WM8903_MIC_BIAS_CONTROL_0,
1633 WM8903_MICDET_ENA, WM8903_MICDET_ENA);
1634 } else {
1635 snd_soc_component_update_bits(component, WM8903_MIC_BIAS_CONTROL_0,
1636 WM8903_MICDET_ENA, 0);
1637 }
1638
1639 return 0;
1640 }
1641 EXPORT_SYMBOL_GPL(wm8903_mic_detect);
1642
1643 static irqreturn_t wm8903_irq(int irq, void *data)
1644 {
1645 struct wm8903_priv *wm8903 = data;
1646 int mic_report, ret;
1647 unsigned int int_val, mask, int_pol;
1648
1649 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1_MASK,
1650 &mask);
1651 if (ret != 0) {
1652 dev_err(wm8903->dev, "Failed to read IRQ mask: %d\n", ret);
1653 return IRQ_NONE;
1654 }
1655
1656 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_STATUS_1, &int_val);
1657 if (ret != 0) {
1658 dev_err(wm8903->dev, "Failed to read IRQ status: %d\n", ret);
1659 return IRQ_NONE;
1660 }
1661
1662 int_val &= ~mask;
1663
1664 if (int_val & WM8903_WSEQ_BUSY_EINT) {
1665 dev_warn(wm8903->dev, "Write sequencer done\n");
1666 }
1667
1668 /*
1669 * The rest is microphone jack detection. We need to manually
1670 * invert the polarity of the interrupt after each event - to
1671 * simplify the code keep track of the last state we reported
1672 * and just invert the relevant bits in both the report and
1673 * the polarity register.
1674 */
1675 mic_report = wm8903->mic_last_report;
1676 ret = regmap_read(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
1677 &int_pol);
1678 if (ret != 0) {
1679 dev_err(wm8903->dev, "Failed to read interrupt polarity: %d\n",
1680 ret);
1681 return IRQ_HANDLED;
1682 }
1683
1684 #ifndef CONFIG_SND_SOC_WM8903_MODULE
1685 if (int_val & (WM8903_MICSHRT_EINT | WM8903_MICDET_EINT))
1686 trace_snd_soc_jack_irq(dev_name(wm8903->dev));
1687 #endif
1688
1689 if (int_val & WM8903_MICSHRT_EINT) {
1690 dev_dbg(wm8903->dev, "Microphone short (pol=%x)\n", int_pol);
1691
1692 mic_report ^= wm8903->mic_short;
1693 int_pol ^= WM8903_MICSHRT_INV;
1694 }
1695
1696 if (int_val & WM8903_MICDET_EINT) {
1697 dev_dbg(wm8903->dev, "Microphone detect (pol=%x)\n", int_pol);
1698
1699 mic_report ^= wm8903->mic_det;
1700 int_pol ^= WM8903_MICDET_INV;
1701
1702 msleep(wm8903->mic_delay);
1703 }
1704
1705 regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_POLARITY_1,
1706 WM8903_MICSHRT_INV | WM8903_MICDET_INV, int_pol);
1707
1708 snd_soc_jack_report(wm8903->mic_jack, mic_report,
1709 wm8903->mic_short | wm8903->mic_det);
1710
1711 wm8903->mic_last_report = mic_report;
1712
1713 return IRQ_HANDLED;
1714 }
1715
1716 #define WM8903_PLAYBACK_RATES (SNDRV_PCM_RATE_8000 |\
1717 SNDRV_PCM_RATE_11025 | \
1718 SNDRV_PCM_RATE_16000 | \
1719 SNDRV_PCM_RATE_22050 | \
1720 SNDRV_PCM_RATE_32000 | \
1721 SNDRV_PCM_RATE_44100 | \
1722 SNDRV_PCM_RATE_48000 | \
1723 SNDRV_PCM_RATE_88200 | \
1724 SNDRV_PCM_RATE_96000)
1725
1726 #define WM8903_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
1727 SNDRV_PCM_RATE_11025 | \
1728 SNDRV_PCM_RATE_16000 | \
1729 SNDRV_PCM_RATE_22050 | \
1730 SNDRV_PCM_RATE_32000 | \
1731 SNDRV_PCM_RATE_44100 | \
1732 SNDRV_PCM_RATE_48000)
1733
1734 #define WM8903_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1735 SNDRV_PCM_FMTBIT_S20_3LE |\
1736 SNDRV_PCM_FMTBIT_S24_LE)
1737
1738 static const struct snd_soc_dai_ops wm8903_dai_ops = {
1739 .hw_params = wm8903_hw_params,
1740 .digital_mute = wm8903_digital_mute,
1741 .set_fmt = wm8903_set_dai_fmt,
1742 .set_sysclk = wm8903_set_dai_sysclk,
1743 };
1744
1745 static struct snd_soc_dai_driver wm8903_dai = {
1746 .name = "wm8903-hifi",
1747 .playback = {
1748 .stream_name = "Playback",
1749 .channels_min = 2,
1750 .channels_max = 2,
1751 .rates = WM8903_PLAYBACK_RATES,
1752 .formats = WM8903_FORMATS,
1753 },
1754 .capture = {
1755 .stream_name = "Capture",
1756 .channels_min = 2,
1757 .channels_max = 2,
1758 .rates = WM8903_CAPTURE_RATES,
1759 .formats = WM8903_FORMATS,
1760 },
1761 .ops = &wm8903_dai_ops,
1762 .symmetric_rates = 1,
1763 };
1764
1765 static int wm8903_resume(struct snd_soc_component *component)
1766 {
1767 struct wm8903_priv *wm8903 = snd_soc_component_get_drvdata(component);
1768
1769 regcache_sync(wm8903->regmap);
1770
1771 return 0;
1772 }
1773
1774 #ifdef CONFIG_GPIOLIB
1775 static int wm8903_gpio_request(struct gpio_chip *chip, unsigned offset)
1776 {
1777 if (offset >= WM8903_NUM_GPIO)
1778 return -EINVAL;
1779
1780 return 0;
1781 }
1782
1783 static int wm8903_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
1784 {
1785 struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1786 unsigned int mask, val;
1787 int ret;
1788
1789 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK;
1790 val = (WM8903_GPn_FN_GPIO_INPUT << WM8903_GP1_FN_SHIFT) |
1791 WM8903_GP1_DIR;
1792
1793 ret = regmap_update_bits(wm8903->regmap,
1794 WM8903_GPIO_CONTROL_1 + offset, mask, val);
1795 if (ret < 0)
1796 return ret;
1797
1798 return 0;
1799 }
1800
1801 static int wm8903_gpio_get(struct gpio_chip *chip, unsigned offset)
1802 {
1803 struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1804 unsigned int reg;
1805
1806 regmap_read(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset, &reg);
1807
1808 return !!((reg & WM8903_GP1_LVL_MASK) >> WM8903_GP1_LVL_SHIFT);
1809 }
1810
1811 static int wm8903_gpio_direction_out(struct gpio_chip *chip,
1812 unsigned offset, int value)
1813 {
1814 struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1815 unsigned int mask, val;
1816 int ret;
1817
1818 mask = WM8903_GP1_FN_MASK | WM8903_GP1_DIR_MASK | WM8903_GP1_LVL_MASK;
1819 val = (WM8903_GPn_FN_GPIO_OUTPUT << WM8903_GP1_FN_SHIFT) |
1820 (value << WM8903_GP2_LVL_SHIFT);
1821
1822 ret = regmap_update_bits(wm8903->regmap,
1823 WM8903_GPIO_CONTROL_1 + offset, mask, val);
1824 if (ret < 0)
1825 return ret;
1826
1827 return 0;
1828 }
1829
1830 static void wm8903_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
1831 {
1832 struct wm8903_priv *wm8903 = gpiochip_get_data(chip);
1833
1834 regmap_update_bits(wm8903->regmap, WM8903_GPIO_CONTROL_1 + offset,
1835 WM8903_GP1_LVL_MASK,
1836 !!value << WM8903_GP1_LVL_SHIFT);
1837 }
1838
1839 static const struct gpio_chip wm8903_template_chip = {
1840 .label = "wm8903",
1841 .owner = THIS_MODULE,
1842 .request = wm8903_gpio_request,
1843 .direction_input = wm8903_gpio_direction_in,
1844 .get = wm8903_gpio_get,
1845 .direction_output = wm8903_gpio_direction_out,
1846 .set = wm8903_gpio_set,
1847 .can_sleep = 1,
1848 };
1849
1850 static void wm8903_init_gpio(struct wm8903_priv *wm8903)
1851 {
1852 struct wm8903_platform_data *pdata = wm8903->pdata;
1853 int ret;
1854
1855 wm8903->gpio_chip = wm8903_template_chip;
1856 wm8903->gpio_chip.ngpio = WM8903_NUM_GPIO;
1857 wm8903->gpio_chip.parent = wm8903->dev;
1858
1859 if (pdata->gpio_base)
1860 wm8903->gpio_chip.base = pdata->gpio_base;
1861 else
1862 wm8903->gpio_chip.base = -1;
1863
1864 ret = gpiochip_add_data(&wm8903->gpio_chip, wm8903);
1865 if (ret != 0)
1866 dev_err(wm8903->dev, "Failed to add GPIOs: %d\n", ret);
1867 }
1868
1869 static void wm8903_free_gpio(struct wm8903_priv *wm8903)
1870 {
1871 gpiochip_remove(&wm8903->gpio_chip);
1872 }
1873 #else
1874 static void wm8903_init_gpio(struct wm8903_priv *wm8903)
1875 {
1876 }
1877
1878 static void wm8903_free_gpio(struct wm8903_priv *wm8903)
1879 {
1880 }
1881 #endif
1882
1883 static const struct snd_soc_component_driver soc_component_dev_wm8903 = {
1884 .resume = wm8903_resume,
1885 .set_bias_level = wm8903_set_bias_level,
1886 .seq_notifier = wm8903_seq_notifier,
1887 .controls = wm8903_snd_controls,
1888 .num_controls = ARRAY_SIZE(wm8903_snd_controls),
1889 .dapm_widgets = wm8903_dapm_widgets,
1890 .num_dapm_widgets = ARRAY_SIZE(wm8903_dapm_widgets),
1891 .dapm_routes = wm8903_intercon,
1892 .num_dapm_routes = ARRAY_SIZE(wm8903_intercon),
1893 .suspend_bias_off = 1,
1894 .idle_bias_on = 1,
1895 .use_pmdown_time = 1,
1896 .endianness = 1,
1897 .non_legacy_dai_naming = 1,
1898 };
1899
1900 static const struct regmap_config wm8903_regmap = {
1901 .reg_bits = 8,
1902 .val_bits = 16,
1903
1904 .max_register = WM8903_MAX_REGISTER,
1905 .volatile_reg = wm8903_volatile_register,
1906 .readable_reg = wm8903_readable_register,
1907
1908 .cache_type = REGCACHE_RBTREE,
1909 .reg_defaults = wm8903_reg_defaults,
1910 .num_reg_defaults = ARRAY_SIZE(wm8903_reg_defaults),
1911 };
1912
1913 static int wm8903_set_pdata_irq_trigger(struct i2c_client *i2c,
1914 struct wm8903_platform_data *pdata)
1915 {
1916 struct irq_data *irq_data = irq_get_irq_data(i2c->irq);
1917 if (!irq_data) {
1918 dev_err(&i2c->dev, "Invalid IRQ: %d\n",
1919 i2c->irq);
1920 return -EINVAL;
1921 }
1922
1923 switch (irqd_get_trigger_type(irq_data)) {
1924 case IRQ_TYPE_NONE:
1925 default:
1926 /*
1927 * We assume the controller imposes no restrictions,
1928 * so we are able to select active-high
1929 */
1930 /* Fall-through */
1931 case IRQ_TYPE_LEVEL_HIGH:
1932 pdata->irq_active_low = false;
1933 break;
1934 case IRQ_TYPE_LEVEL_LOW:
1935 pdata->irq_active_low = true;
1936 break;
1937 }
1938
1939 return 0;
1940 }
1941
1942 static int wm8903_set_pdata_from_of(struct i2c_client *i2c,
1943 struct wm8903_platform_data *pdata)
1944 {
1945 const struct device_node *np = i2c->dev.of_node;
1946 u32 val32;
1947 int i;
1948
1949 if (of_property_read_u32(np, "micdet-cfg", &val32) >= 0)
1950 pdata->micdet_cfg = val32;
1951
1952 if (of_property_read_u32(np, "micdet-delay", &val32) >= 0)
1953 pdata->micdet_delay = val32;
1954
1955 if (of_property_read_u32_array(np, "gpio-cfg", pdata->gpio_cfg,
1956 ARRAY_SIZE(pdata->gpio_cfg)) >= 0) {
1957 /*
1958 * In device tree: 0 means "write 0",
1959 * 0xffffffff means "don't touch".
1960 *
1961 * In platform data: 0 means "don't touch",
1962 * 0x8000 means "write 0".
1963 *
1964 * Note: WM8903_GPIO_CONFIG_ZERO == 0x8000.
1965 *
1966 * Convert from DT to pdata representation here,
1967 * so no other code needs to change.
1968 */
1969 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
1970 if (pdata->gpio_cfg[i] == 0) {
1971 pdata->gpio_cfg[i] = WM8903_GPIO_CONFIG_ZERO;
1972 } else if (pdata->gpio_cfg[i] == 0xffffffff) {
1973 pdata->gpio_cfg[i] = 0;
1974 } else if (pdata->gpio_cfg[i] > 0x7fff) {
1975 dev_err(&i2c->dev, "Invalid gpio-cfg[%d] %x\n",
1976 i, pdata->gpio_cfg[i]);
1977 return -EINVAL;
1978 }
1979 }
1980 }
1981
1982 return 0;
1983 }
1984
1985 static int wm8903_i2c_probe(struct i2c_client *i2c,
1986 const struct i2c_device_id *id)
1987 {
1988 struct wm8903_platform_data *pdata = dev_get_platdata(&i2c->dev);
1989 struct wm8903_priv *wm8903;
1990 int trigger;
1991 bool mic_gpio = false;
1992 unsigned int val, irq_pol;
1993 int ret, i;
1994
1995 wm8903 = devm_kzalloc(&i2c->dev, sizeof(*wm8903), GFP_KERNEL);
1996 if (wm8903 == NULL)
1997 return -ENOMEM;
1998
1999 mutex_init(&wm8903->lock);
2000 wm8903->dev = &i2c->dev;
2001
2002 wm8903->regmap = devm_regmap_init_i2c(i2c, &wm8903_regmap);
2003 if (IS_ERR(wm8903->regmap)) {
2004 ret = PTR_ERR(wm8903->regmap);
2005 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
2006 ret);
2007 return ret;
2008 }
2009
2010 i2c_set_clientdata(i2c, wm8903);
2011
2012 /* If no platform data was supplied, create storage for defaults */
2013 if (pdata) {
2014 wm8903->pdata = pdata;
2015 } else {
2016 wm8903->pdata = devm_kzalloc(&i2c->dev, sizeof(*wm8903->pdata),
2017 GFP_KERNEL);
2018 if (!wm8903->pdata)
2019 return -ENOMEM;
2020
2021 if (i2c->irq) {
2022 ret = wm8903_set_pdata_irq_trigger(i2c, wm8903->pdata);
2023 if (ret != 0)
2024 return ret;
2025 }
2026
2027 if (i2c->dev.of_node) {
2028 ret = wm8903_set_pdata_from_of(i2c, wm8903->pdata);
2029 if (ret != 0)
2030 return ret;
2031 }
2032 }
2033
2034 pdata = wm8903->pdata;
2035
2036 for (i = 0; i < ARRAY_SIZE(wm8903->supplies); i++)
2037 wm8903->supplies[i].supply = wm8903_supply_names[i];
2038
2039 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8903->supplies),
2040 wm8903->supplies);
2041 if (ret != 0) {
2042 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
2043 return ret;
2044 }
2045
2046 ret = regulator_bulk_enable(ARRAY_SIZE(wm8903->supplies),
2047 wm8903->supplies);
2048 if (ret != 0) {
2049 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
2050 return ret;
2051 }
2052
2053 ret = regmap_read(wm8903->regmap, WM8903_SW_RESET_AND_ID, &val);
2054 if (ret != 0) {
2055 dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret);
2056 goto err;
2057 }
2058 if (val != 0x8903) {
2059 dev_err(&i2c->dev, "Device with ID %x is not a WM8903\n", val);
2060 ret = -ENODEV;
2061 goto err;
2062 }
2063
2064 ret = regmap_read(wm8903->regmap, WM8903_REVISION_NUMBER, &val);
2065 if (ret != 0) {
2066 dev_err(&i2c->dev, "Failed to read chip revision: %d\n", ret);
2067 goto err;
2068 }
2069 dev_info(&i2c->dev, "WM8903 revision %c\n",
2070 (val & WM8903_CHIP_REV_MASK) + 'A');
2071
2072 /* Reset the device */
2073 regmap_write(wm8903->regmap, WM8903_SW_RESET_AND_ID, 0x8903);
2074
2075 wm8903_init_gpio(wm8903);
2076
2077 /* Set up GPIO pin state, detect if any are MIC detect outputs */
2078 for (i = 0; i < ARRAY_SIZE(pdata->gpio_cfg); i++) {
2079 if ((!pdata->gpio_cfg[i]) ||
2080 (pdata->gpio_cfg[i] > WM8903_GPIO_CONFIG_ZERO))
2081 continue;
2082
2083 regmap_write(wm8903->regmap, WM8903_GPIO_CONTROL_1 + i,
2084 pdata->gpio_cfg[i] & 0x7fff);
2085
2086 val = (pdata->gpio_cfg[i] & WM8903_GP1_FN_MASK)
2087 >> WM8903_GP1_FN_SHIFT;
2088
2089 switch (val) {
2090 case WM8903_GPn_FN_MICBIAS_CURRENT_DETECT:
2091 case WM8903_GPn_FN_MICBIAS_SHORT_DETECT:
2092 mic_gpio = true;
2093 break;
2094 default:
2095 break;
2096 }
2097 }
2098
2099 /* Set up microphone detection */
2100 regmap_write(wm8903->regmap, WM8903_MIC_BIAS_CONTROL_0,
2101 pdata->micdet_cfg);
2102
2103 /* Microphone detection needs the WSEQ clock */
2104 if (pdata->micdet_cfg)
2105 regmap_update_bits(wm8903->regmap, WM8903_WRITE_SEQUENCER_0,
2106 WM8903_WSEQ_ENA, WM8903_WSEQ_ENA);
2107
2108 /* If microphone detection is enabled by pdata but
2109 * detected via IRQ then interrupts can be lost before
2110 * the machine driver has set up microphone detection
2111 * IRQs as the IRQs are clear on read. The detection
2112 * will be enabled when the machine driver configures.
2113 */
2114 WARN_ON(!mic_gpio && (pdata->micdet_cfg & WM8903_MICDET_ENA));
2115
2116 wm8903->mic_delay = pdata->micdet_delay;
2117
2118 if (i2c->irq) {
2119 if (pdata->irq_active_low) {
2120 trigger = IRQF_TRIGGER_LOW;
2121 irq_pol = WM8903_IRQ_POL;
2122 } else {
2123 trigger = IRQF_TRIGGER_HIGH;
2124 irq_pol = 0;
2125 }
2126
2127 regmap_update_bits(wm8903->regmap, WM8903_INTERRUPT_CONTROL,
2128 WM8903_IRQ_POL, irq_pol);
2129
2130 ret = request_threaded_irq(i2c->irq, NULL, wm8903_irq,
2131 trigger | IRQF_ONESHOT,
2132 "wm8903", wm8903);
2133 if (ret != 0) {
2134 dev_err(wm8903->dev, "Failed to request IRQ: %d\n",
2135 ret);
2136 return ret;
2137 }
2138
2139 /* Enable write sequencer interrupts */
2140 regmap_update_bits(wm8903->regmap,
2141 WM8903_INTERRUPT_STATUS_1_MASK,
2142 WM8903_IM_WSEQ_BUSY_EINT, 0);
2143 }
2144
2145 /* Latch volume update bits */
2146 regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_LEFT,
2147 WM8903_ADCVU, WM8903_ADCVU);
2148 regmap_update_bits(wm8903->regmap, WM8903_ADC_DIGITAL_VOLUME_RIGHT,
2149 WM8903_ADCVU, WM8903_ADCVU);
2150
2151 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_LEFT,
2152 WM8903_DACVU, WM8903_DACVU);
2153 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_VOLUME_RIGHT,
2154 WM8903_DACVU, WM8903_DACVU);
2155
2156 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_LEFT,
2157 WM8903_HPOUTVU, WM8903_HPOUTVU);
2158 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT1_RIGHT,
2159 WM8903_HPOUTVU, WM8903_HPOUTVU);
2160
2161 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_LEFT,
2162 WM8903_LINEOUTVU, WM8903_LINEOUTVU);
2163 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT2_RIGHT,
2164 WM8903_LINEOUTVU, WM8903_LINEOUTVU);
2165
2166 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_LEFT,
2167 WM8903_SPKVU, WM8903_SPKVU);
2168 regmap_update_bits(wm8903->regmap, WM8903_ANALOGUE_OUT3_RIGHT,
2169 WM8903_SPKVU, WM8903_SPKVU);
2170
2171 /* Enable DAC soft mute by default */
2172 regmap_update_bits(wm8903->regmap, WM8903_DAC_DIGITAL_1,
2173 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE,
2174 WM8903_DAC_MUTEMODE | WM8903_DAC_MUTE);
2175
2176 ret = devm_snd_soc_register_component(&i2c->dev,
2177 &soc_component_dev_wm8903, &wm8903_dai, 1);
2178 if (ret != 0)
2179 goto err;
2180
2181 return 0;
2182 err:
2183 regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies),
2184 wm8903->supplies);
2185 return ret;
2186 }
2187
2188 static int wm8903_i2c_remove(struct i2c_client *client)
2189 {
2190 struct wm8903_priv *wm8903 = i2c_get_clientdata(client);
2191
2192 regulator_bulk_disable(ARRAY_SIZE(wm8903->supplies),
2193 wm8903->supplies);
2194 if (client->irq)
2195 free_irq(client->irq, wm8903);
2196 wm8903_free_gpio(wm8903);
2197
2198 return 0;
2199 }
2200
2201 static const struct of_device_id wm8903_of_match[] = {
2202 { .compatible = "wlf,wm8903", },
2203 {},
2204 };
2205 MODULE_DEVICE_TABLE(of, wm8903_of_match);
2206
2207 static const struct i2c_device_id wm8903_i2c_id[] = {
2208 { "wm8903", 0 },
2209 { }
2210 };
2211 MODULE_DEVICE_TABLE(i2c, wm8903_i2c_id);
2212
2213 static struct i2c_driver wm8903_i2c_driver = {
2214 .driver = {
2215 .name = "wm8903",
2216 .of_match_table = wm8903_of_match,
2217 },
2218 .probe = wm8903_i2c_probe,
2219 .remove = wm8903_i2c_remove,
2220 .id_table = wm8903_i2c_id,
2221 };
2222
2223 module_i2c_driver(wm8903_i2c_driver);
2224
2225 MODULE_DESCRIPTION("ASoC WM8903 driver");
2226 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.cm>");
2227 MODULE_LICENSE("GPL");
Linux with added FPC-III support