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Merge remote-tracking branch 'keys/keys-next'
[deliverable/linux.git] / sound / soc / codecs / wm8993.c
CommitLineData
942c435b
MB		 1/*
2 * wm8993.c -- WM8993 ALSA SoC audio driver
3 *
656baaeb 4 * Copyright 2009-12 Wolfson Microelectronics plc
942c435b
MB		 5 *
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/init.h>
16#include <linux/delay.h>
17#include <linux/pm.h>
18#include <linux/i2c.h>
d0ad0af0 19#include <linux/regmap.h>
b37e399b 20#include <linux/regulator/consumer.h>
942c435b 21#include <linux/spi/spi.h>
5a0e3ad6 22#include <linux/slab.h>
942c435b
MB		 23#include <sound/core.h>
24#include <sound/pcm.h>
25#include <sound/pcm_params.h>
26#include <sound/tlv.h>
27#include <sound/soc.h>
942c435b
MB		 28#include <sound/initval.h>
29#include <sound/wm8993.h>
30
31#include "wm8993.h"
a2342ae3 32#include "wm_hubs.h"
942c435b 33
b37e399b
MB		 34#define WM8993_NUM_SUPPLIES 6
35static const char *wm8993_supply_names[WM8993_NUM_SUPPLIES] = {
36 "DCVDD",
37 "DBVDD",
38 "AVDD1",
39 "AVDD2",
40 "CPVDD",
41 "SPKVDD",
42};
43
c418a84a 44static const struct reg_default wm8993_reg_defaults[] = {
d0ad0af0
MB		 45 { 1, 0x0000 }, /* R1 - Power Management (1) */
46 { 2, 0x6000 }, /* R2 - Power Management (2) */
47 { 3, 0x0000 }, /* R3 - Power Management (3) */
48 { 4, 0x4050 }, /* R4 - Audio Interface (1) */
49 { 5, 0x4000 }, /* R5 - Audio Interface (2) */
50 { 6, 0x01C8 }, /* R6 - Clocking 1 */
51 { 7, 0x0000 }, /* R7 - Clocking 2 */
52 { 8, 0x0000 }, /* R8 - Audio Interface (3) */
53 { 9, 0x0040 }, /* R9 - Audio Interface (4) */
54 { 10, 0x0004 }, /* R10 - DAC CTRL */
55 { 11, 0x00C0 }, /* R11 - Left DAC Digital Volume */
56 { 12, 0x00C0 }, /* R12 - Right DAC Digital Volume */
57 { 13, 0x0000 }, /* R13 - Digital Side Tone */
58 { 14, 0x0300 }, /* R14 - ADC CTRL */
59 { 15, 0x00C0 }, /* R15 - Left ADC Digital Volume */
60 { 16, 0x00C0 }, /* R16 - Right ADC Digital Volume */
61 { 18, 0x0000 }, /* R18 - GPIO CTRL 1 */
62 { 19, 0x0010 }, /* R19 - GPIO1 */
63 { 20, 0x0000 }, /* R20 - IRQ_DEBOUNCE */
b8034229 64 { 21, 0x0000 }, /* R21 - Inputs Clamp */
e2da2677
MB		 65 { 22, 0x8000 }, /* R22 - GPIOCTRL 2 */
66 { 23, 0x0800 }, /* R23 - GPIO_POL */
d0ad0af0
MB		 67 { 24, 0x008B }, /* R24 - Left Line Input 1&2 Volume */
68 { 25, 0x008B }, /* R25 - Left Line Input 3&4 Volume */
69 { 26, 0x008B }, /* R26 - Right Line Input 1&2 Volume */
70 { 27, 0x008B }, /* R27 - Right Line Input 3&4 Volume */
71 { 28, 0x006D }, /* R28 - Left Output Volume */
72 { 29, 0x006D }, /* R29 - Right Output Volume */
73 { 30, 0x0066 }, /* R30 - Line Outputs Volume */
74 { 31, 0x0020 }, /* R31 - HPOUT2 Volume */
75 { 32, 0x0079 }, /* R32 - Left OPGA Volume */
76 { 33, 0x0079 }, /* R33 - Right OPGA Volume */
77 { 34, 0x0003 }, /* R34 - SPKMIXL Attenuation */
78 { 35, 0x0003 }, /* R35 - SPKMIXR Attenuation */
79 { 36, 0x0011 }, /* R36 - SPKOUT Mixers */
80 { 37, 0x0100 }, /* R37 - SPKOUT Boost */
81 { 38, 0x0079 }, /* R38 - Speaker Volume Left */
82 { 39, 0x0079 }, /* R39 - Speaker Volume Right */
83 { 40, 0x0000 }, /* R40 - Input Mixer2 */
84 { 41, 0x0000 }, /* R41 - Input Mixer3 */
85 { 42, 0x0000 }, /* R42 - Input Mixer4 */
86 { 43, 0x0000 }, /* R43 - Input Mixer5 */
87 { 44, 0x0000 }, /* R44 - Input Mixer6 */
88 { 45, 0x0000 }, /* R45 - Output Mixer1 */
89 { 46, 0x0000 }, /* R46 - Output Mixer2 */
90 { 47, 0x0000 }, /* R47 - Output Mixer3 */
91 { 48, 0x0000 }, /* R48 - Output Mixer4 */
92 { 49, 0x0000 }, /* R49 - Output Mixer5 */
93 { 50, 0x0000 }, /* R50 - Output Mixer6 */
94 { 51, 0x0000 }, /* R51 - HPOUT2 Mixer */
95 { 52, 0x0000 }, /* R52 - Line Mixer1 */
96 { 53, 0x0000 }, /* R53 - Line Mixer2 */
97 { 54, 0x0000 }, /* R54 - Speaker Mixer */
98 { 55, 0x0000 }, /* R55 - Additional Control */
99 { 56, 0x0000 }, /* R56 - AntiPOP1 */
100 { 57, 0x0000 }, /* R57 - AntiPOP2 */
101 { 58, 0x0000 }, /* R58 - MICBIAS */
102 { 60, 0x0000 }, /* R60 - FLL Control 1 */
103 { 61, 0x0000 }, /* R61 - FLL Control 2 */
104 { 62, 0x0000 }, /* R62 - FLL Control 3 */
105 { 63, 0x2EE0 }, /* R63 - FLL Control 4 */
106 { 64, 0x0002 }, /* R64 - FLL Control 5 */
107 { 65, 0x2287 }, /* R65 - Clocking 3 */
108 { 66, 0x025F }, /* R66 - Clocking 4 */
109 { 67, 0x0000 }, /* R67 - MW Slave Control */
110 { 69, 0x0002 }, /* R69 - Bus Control 1 */
111 { 70, 0x0000 }, /* R70 - Write Sequencer 0 */
112 { 71, 0x0000 }, /* R71 - Write Sequencer 1 */
113 { 72, 0x0000 }, /* R72 - Write Sequencer 2 */
114 { 73, 0x0000 }, /* R73 - Write Sequencer 3 */
115 { 74, 0x0000 }, /* R74 - Write Sequencer 4 */
116 { 75, 0x0000 }, /* R75 - Write Sequencer 5 */
117 { 76, 0x1F25 }, /* R76 - Charge Pump 1 */
118 { 81, 0x0000 }, /* R81 - Class W 0 */
119 { 85, 0x054A }, /* R85 - DC Servo 1 */
120 { 87, 0x0000 }, /* R87 - DC Servo 3 */
121 { 96, 0x0100 }, /* R96 - Analogue HP 0 */
122 { 98, 0x0000 }, /* R98 - EQ1 */
123 { 99, 0x000C }, /* R99 - EQ2 */
124 { 100, 0x000C }, /* R100 - EQ3 */
125 { 101, 0x000C }, /* R101 - EQ4 */
126 { 102, 0x000C }, /* R102 - EQ5 */
127 { 103, 0x000C }, /* R103 - EQ6 */
128 { 104, 0x0FCA }, /* R104 - EQ7 */
129 { 105, 0x0400 }, /* R105 - EQ8 */
130 { 106, 0x00D8 }, /* R106 - EQ9 */
131 { 107, 0x1EB5 }, /* R107 - EQ10 */
132 { 108, 0xF145 }, /* R108 - EQ11 */
133 { 109, 0x0B75 }, /* R109 - EQ12 */
134 { 110, 0x01C5 }, /* R110 - EQ13 */
135 { 111, 0x1C58 }, /* R111 - EQ14 */
136 { 112, 0xF373 }, /* R112 - EQ15 */
137 { 113, 0x0A54 }, /* R113 - EQ16 */
138 { 114, 0x0558 }, /* R114 - EQ17 */
139 { 115, 0x168E }, /* R115 - EQ18 */
140 { 116, 0xF829 }, /* R116 - EQ19 */
141 { 117, 0x07AD }, /* R117 - EQ20 */
142 { 118, 0x1103 }, /* R118 - EQ21 */
143 { 119, 0x0564 }, /* R119 - EQ22 */
144 { 120, 0x0559 }, /* R120 - EQ23 */
145 { 121, 0x4000 }, /* R121 - EQ24 */
146 { 122, 0x0000 }, /* R122 - Digital Pulls */
147 { 123, 0x0F08 }, /* R123 - DRC Control 1 */
148 { 124, 0x0000 }, /* R124 - DRC Control 2 */
149 { 125, 0x0080 }, /* R125 - DRC Control 3 */
150 { 126, 0x0000 }, /* R126 - DRC Control 4 */
942c435b
MB		 151};
152
153static struct {
154 int ratio;
155 int clk_sys_rate;
156} clk_sys_rates[] = {
157 { 64, 0 },
158 { 128, 1 },
159 { 192, 2 },
160 { 256, 3 },
161 { 384, 4 },
162 { 512, 5 },
163 { 768, 6 },
164 { 1024, 7 },
165 { 1408, 8 },
166 { 1536, 9 },
167};
168
169static struct {
170 int rate;
171 int sample_rate;
172} sample_rates[] = {
173 { 8000, 0 },
174 { 11025, 1 },
175 { 12000, 1 },
176 { 16000, 2 },
177 { 22050, 3 },
178 { 24000, 3 },
179 { 32000, 4 },
180 { 44100, 5 },
181 { 48000, 5 },
182};
183
184static struct {
185 int div; /* *10 due to .5s */
186 int bclk_div;
187} bclk_divs[] = {
188 { 10, 0 },
189 { 15, 1 },
190 { 20, 2 },
191 { 30, 3 },
192 { 40, 4 },
193 { 55, 5 },
194 { 60, 6 },
195 { 80, 7 },
196 { 110, 8 },
197 { 120, 9 },
198 { 160, 10 },
199 { 220, 11 },
200 { 240, 12 },
201 { 320, 13 },
202 { 440, 14 },
203 { 480, 15 },
204};
205
206struct wm8993_priv {
3ed7074c 207 struct wm_hubs_data hubs_data;
164548d3 208 struct device *dev;
d0ad0af0 209 struct regmap *regmap;
b37e399b 210 struct regulator_bulk_data supplies[WM8993_NUM_SUPPLIES];
942c435b 211 struct wm8993_platform_data pdata;
164548d3 212 struct completion fll_lock;
942c435b
MB		 213 int master;
214 int sysclk_source;
d3c9e9a1
MB		 215 int tdm_slots;
216 int tdm_width;
942c435b
MB		 217 unsigned int mclk_rate;
218 unsigned int sysclk_rate;
219 unsigned int fs;
220 unsigned int bclk;
942c435b
MB		 221 unsigned int fll_fref;
222 unsigned int fll_fout;
53242c68 223 int fll_src;
942c435b
MB		 224};
225
d0ad0af0 226static bool wm8993_volatile(struct device *dev, unsigned int reg)
942c435b
MB		 227{
228 switch (reg) {
229 case WM8993_SOFTWARE_RESET:
164548d3 230 case WM8993_GPIO_CTRL_1:
942c435b
MB		 231 case WM8993_DC_SERVO_0:
232 case WM8993_DC_SERVO_READBACK_0:
233 case WM8993_DC_SERVO_READBACK_1:
234 case WM8993_DC_SERVO_READBACK_2:
d0ad0af0 235 return true;
942c435b 236 default:
d0ad0af0
MB		 237 return false;
238 }
239}
240
241static bool wm8993_readable(struct device *dev, unsigned int reg)
242{
243 switch (reg) {
244 case WM8993_SOFTWARE_RESET:
245 case WM8993_POWER_MANAGEMENT_1:
246 case WM8993_POWER_MANAGEMENT_2:
247 case WM8993_POWER_MANAGEMENT_3:
248 case WM8993_AUDIO_INTERFACE_1:
249 case WM8993_AUDIO_INTERFACE_2:
250 case WM8993_CLOCKING_1:
251 case WM8993_CLOCKING_2:
252 case WM8993_AUDIO_INTERFACE_3:
253 case WM8993_AUDIO_INTERFACE_4:
254 case WM8993_DAC_CTRL:
255 case WM8993_LEFT_DAC_DIGITAL_VOLUME:
256 case WM8993_RIGHT_DAC_DIGITAL_VOLUME:
257 case WM8993_DIGITAL_SIDE_TONE:
258 case WM8993_ADC_CTRL:
259 case WM8993_LEFT_ADC_DIGITAL_VOLUME:
260 case WM8993_RIGHT_ADC_DIGITAL_VOLUME:
261 case WM8993_GPIO_CTRL_1:
262 case WM8993_GPIO1:
263 case WM8993_IRQ_DEBOUNCE:
264 case WM8993_GPIOCTRL_2:
265 case WM8993_GPIO_POL:
266 case WM8993_LEFT_LINE_INPUT_1_2_VOLUME:
267 case WM8993_LEFT_LINE_INPUT_3_4_VOLUME:
268 case WM8993_RIGHT_LINE_INPUT_1_2_VOLUME:
269 case WM8993_RIGHT_LINE_INPUT_3_4_VOLUME:
270 case WM8993_LEFT_OUTPUT_VOLUME:
271 case WM8993_RIGHT_OUTPUT_VOLUME:
272 case WM8993_LINE_OUTPUTS_VOLUME:
273 case WM8993_HPOUT2_VOLUME:
274 case WM8993_LEFT_OPGA_VOLUME:
275 case WM8993_RIGHT_OPGA_VOLUME:
276 case WM8993_SPKMIXL_ATTENUATION:
277 case WM8993_SPKMIXR_ATTENUATION:
278 case WM8993_SPKOUT_MIXERS:
279 case WM8993_SPKOUT_BOOST:
280 case WM8993_SPEAKER_VOLUME_LEFT:
281 case WM8993_SPEAKER_VOLUME_RIGHT:
282 case WM8993_INPUT_MIXER2:
283 case WM8993_INPUT_MIXER3:
284 case WM8993_INPUT_MIXER4:
285 case WM8993_INPUT_MIXER5:
286 case WM8993_INPUT_MIXER6:
287 case WM8993_OUTPUT_MIXER1:
288 case WM8993_OUTPUT_MIXER2:
289 case WM8993_OUTPUT_MIXER3:
290 case WM8993_OUTPUT_MIXER4:
291 case WM8993_OUTPUT_MIXER5:
292 case WM8993_OUTPUT_MIXER6:
293 case WM8993_HPOUT2_MIXER:
294 case WM8993_LINE_MIXER1:
295 case WM8993_LINE_MIXER2:
296 case WM8993_SPEAKER_MIXER:
297 case WM8993_ADDITIONAL_CONTROL:
298 case WM8993_ANTIPOP1:
299 case WM8993_ANTIPOP2:
300 case WM8993_MICBIAS:
301 case WM8993_FLL_CONTROL_1:
302 case WM8993_FLL_CONTROL_2:
303 case WM8993_FLL_CONTROL_3:
304 case WM8993_FLL_CONTROL_4:
305 case WM8993_FLL_CONTROL_5:
306 case WM8993_CLOCKING_3:
307 case WM8993_CLOCKING_4:
308 case WM8993_MW_SLAVE_CONTROL:
309 case WM8993_BUS_CONTROL_1:
310 case WM8993_WRITE_SEQUENCER_0:
311 case WM8993_WRITE_SEQUENCER_1:
312 case WM8993_WRITE_SEQUENCER_2:
313 case WM8993_WRITE_SEQUENCER_3:
314 case WM8993_WRITE_SEQUENCER_4:
315 case WM8993_WRITE_SEQUENCER_5:
316 case WM8993_CHARGE_PUMP_1:
317 case WM8993_CLASS_W_0:
318 case WM8993_DC_SERVO_0:
319 case WM8993_DC_SERVO_1:
320 case WM8993_DC_SERVO_3:
321 case WM8993_DC_SERVO_READBACK_0:
322 case WM8993_DC_SERVO_READBACK_1:
323 case WM8993_DC_SERVO_READBACK_2:
324 case WM8993_ANALOGUE_HP_0:
325 case WM8993_EQ1:
326 case WM8993_EQ2:
327 case WM8993_EQ3:
328 case WM8993_EQ4:
329 case WM8993_EQ5:
330 case WM8993_EQ6:
331 case WM8993_EQ7:
332 case WM8993_EQ8:
333 case WM8993_EQ9:
334 case WM8993_EQ10:
335 case WM8993_EQ11:
336 case WM8993_EQ12:
337 case WM8993_EQ13:
338 case WM8993_EQ14:
339 case WM8993_EQ15:
340 case WM8993_EQ16:
341 case WM8993_EQ17:
342 case WM8993_EQ18:
343 case WM8993_EQ19:
344 case WM8993_EQ20:
345 case WM8993_EQ21:
346 case WM8993_EQ22:
347 case WM8993_EQ23:
348 case WM8993_EQ24:
349 case WM8993_DIGITAL_PULLS:
350 case WM8993_DRC_CONTROL_1:
351 case WM8993_DRC_CONTROL_2:
352 case WM8993_DRC_CONTROL_3:
353 case WM8993_DRC_CONTROL_4:
354 return true;
355 default:
356 return false;
942c435b
MB		 357 }
358}
359
942c435b
MB		 360struct _fll_div {
361 u16 fll_fratio;
362 u16 fll_outdiv;
363 u16 fll_clk_ref_div;
364 u16 n;
365 u16 k;
366};
367
368/* The size in bits of the FLL divide multiplied by 10
369 * to allow rounding later */
370#define FIXED_FLL_SIZE ((1 << 16) * 10)
371
372static struct {
373 unsigned int min;
374 unsigned int max;
375 u16 fll_fratio;
376 int ratio;
377} fll_fratios[] = {
378 { 0, 64000, 4, 16 },
379 { 64000, 128000, 3, 8 },
380 { 128000, 256000, 2, 4 },
381 { 256000, 1000000, 1, 2 },
382 { 1000000, 13500000, 0, 1 },
383};
384
385static int fll_factors(struct _fll_div *fll_div, unsigned int Fref,
386 unsigned int Fout)
387{
388 u64 Kpart;
389 unsigned int K, Ndiv, Nmod, target;
390 unsigned int div;
391 int i;
392
393 /* Fref must be <=13.5MHz */
394 div = 1;
0c11f655 395 fll_div->fll_clk_ref_div = 0;
942c435b
MB		 396 while ((Fref / div) > 13500000) {
397 div *= 2;
0c11f655 398 fll_div->fll_clk_ref_div++;
942c435b
MB		 399
400 if (div > 8) {
401 pr_err("Can't scale %dMHz input down to <=13.5MHz\n",
402 Fref);
403 return -EINVAL;
404 }
405 }
406
407 pr_debug("Fref=%u Fout=%u\n", Fref, Fout);
408
409 /* Apply the division for our remaining calculations */
410 Fref /= div;
411
412 /* Fvco should be 90-100MHz; don't check the upper bound */
413 div = 0;
414 target = Fout * 2;
415 while (target < 90000000) {
416 div++;
417 target *= 2;
418 if (div > 7) {
419 pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n",
420 Fout);
421 return -EINVAL;
422 }
423 }
424 fll_div->fll_outdiv = div;
425
426 pr_debug("Fvco=%dHz\n", target);
427
25985edc 428 /* Find an appropriate FLL_FRATIO and factor it out of the target */
942c435b
MB		 429 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
430 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
431 fll_div->fll_fratio = fll_fratios[i].fll_fratio;
432 target /= fll_fratios[i].ratio;
433 break;
434 }
435 }
436 if (i == ARRAY_SIZE(fll_fratios)) {
437 pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref);
438 return -EINVAL;
439 }
440
441 /* Now, calculate N.K */
442 Ndiv = target / Fref;
443
444 fll_div->n = Ndiv;
445 Nmod = target % Fref;
446 pr_debug("Nmod=%d\n", Nmod);
447
448 /* Calculate fractional part - scale up so we can round. */
449 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
450
451 do_div(Kpart, Fref);
452
453 K = Kpart & 0xFFFFFFFF;
454
455 if ((K % 10) >= 5)
456 K += 5;
457
458 /* Move down to proper range now rounding is done */
459 fll_div->k = K / 10;
460
461 pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n",
462 fll_div->n, fll_div->k,
463 fll_div->fll_fratio, fll_div->fll_outdiv,
464 fll_div->fll_clk_ref_div);
465
466 return 0;
467}
468
f0fba2ad 469static int _wm8993_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
942c435b
MB		 470 unsigned int Fref, unsigned int Fout)
471{
b2c812e2 472 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
164548d3 473 struct i2c_client *i2c = to_i2c_client(codec->dev);
942c435b
MB		 474 u16 reg1, reg4, reg5;
475 struct _fll_div fll_div;
164548d3 476 unsigned int timeout;
942c435b
MB		 477 int ret;
478
479 /* Any change? */
480 if (Fref == wm8993->fll_fref && Fout == wm8993->fll_fout)
481 return 0;
482
483 /* Disable the FLL */
484 if (Fout == 0) {
485 dev_dbg(codec->dev, "FLL disabled\n");
486 wm8993->fll_fref = 0;
487 wm8993->fll_fout = 0;
488
3bf6e421 489 reg1 = snd_soc_read(codec, WM8993_FLL_CONTROL_1);
942c435b 490 reg1 &= ~WM8993_FLL_ENA;
3bf6e421 491 snd_soc_write(codec, WM8993_FLL_CONTROL_1, reg1);
942c435b
MB		 492
493 return 0;
494 }
495
496 ret = fll_factors(&fll_div, Fref, Fout);
497 if (ret != 0)
498 return ret;
499
3bf6e421 500 reg5 = snd_soc_read(codec, WM8993_FLL_CONTROL_5);
942c435b
MB		 501 reg5 &= ~WM8993_FLL_CLK_SRC_MASK;
502
503 switch (fll_id) {
504 case WM8993_FLL_MCLK:
505 break;
506
507 case WM8993_FLL_LRCLK:
508 reg5 |= 1;
509 break;
510
511 case WM8993_FLL_BCLK:
512 reg5 |= 2;
513 break;
514
515 default:
516 dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id);
517 return -EINVAL;
518 }
519
520 /* Any FLL configuration change requires that the FLL be
521 * disabled first. */
3bf6e421 522 reg1 = snd_soc_read(codec, WM8993_FLL_CONTROL_1);
942c435b 523 reg1 &= ~WM8993_FLL_ENA;
3bf6e421 524 snd_soc_write(codec, WM8993_FLL_CONTROL_1, reg1);
942c435b
MB		 525
526 /* Apply the configuration */
527 if (fll_div.k)
528 reg1 |= WM8993_FLL_FRAC_MASK;
529 else
530 reg1 &= ~WM8993_FLL_FRAC_MASK;
3bf6e421 531 snd_soc_write(codec, WM8993_FLL_CONTROL_1, reg1);
942c435b 532
3bf6e421
MB		 533 snd_soc_write(codec, WM8993_FLL_CONTROL_2,
534 (fll_div.fll_outdiv << WM8993_FLL_OUTDIV_SHIFT) |
535 (fll_div.fll_fratio << WM8993_FLL_FRATIO_SHIFT));
536 snd_soc_write(codec, WM8993_FLL_CONTROL_3, fll_div.k);
942c435b 537
3bf6e421 538 reg4 = snd_soc_read(codec, WM8993_FLL_CONTROL_4);
942c435b
MB		 539 reg4 &= ~WM8993_FLL_N_MASK;
540 reg4 |= fll_div.n << WM8993_FLL_N_SHIFT;
3bf6e421 541 snd_soc_write(codec, WM8993_FLL_CONTROL_4, reg4);
942c435b
MB		 542
543 reg5 &= ~WM8993_FLL_CLK_REF_DIV_MASK;
544 reg5 |= fll_div.fll_clk_ref_div << WM8993_FLL_CLK_REF_DIV_SHIFT;
3bf6e421 545 snd_soc_write(codec, WM8993_FLL_CONTROL_5, reg5);
942c435b 546
164548d3
MB		 547 /* If we've got an interrupt wired up make sure we get it */
548 if (i2c->irq)
549 timeout = msecs_to_jiffies(20);
550 else if (Fref < 1000000)
551 timeout = msecs_to_jiffies(3);
552 else
553 timeout = msecs_to_jiffies(1);
554
555 try_wait_for_completion(&wm8993->fll_lock);
556
942c435b 557 /* Enable the FLL */
3bf6e421 558 snd_soc_write(codec, WM8993_FLL_CONTROL_1, reg1 | WM8993_FLL_ENA);
942c435b 559
164548d3
MB		 560 timeout = wait_for_completion_timeout(&wm8993->fll_lock, timeout);
561 if (i2c->irq && !timeout)
562 dev_warn(codec->dev, "Timed out waiting for FLL\n");
986b2f2c 563
942c435b
MB		 564 dev_dbg(codec->dev, "FLL enabled at %dHz->%dHz\n", Fref, Fout);
565
566 wm8993->fll_fref = Fref;
567 wm8993->fll_fout = Fout;
53242c68 568 wm8993->fll_src = source;
942c435b
MB		 569
570 return 0;
571}
572
f0fba2ad
LG		 573static int wm8993_set_fll(struct snd_soc_dai *dai, int fll_id, int source,
574 unsigned int Fref, unsigned int Fout)
575{
576 return _wm8993_set_fll(dai->codec, fll_id, source, Fref, Fout);
577}
578
942c435b
MB		 579static int configure_clock(struct snd_soc_codec *codec)
580{
b2c812e2 581 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
942c435b
MB		 582 unsigned int reg;
583
584 /* This should be done on init() for bypass paths */
585 switch (wm8993->sysclk_source) {
586 case WM8993_SYSCLK_MCLK:
587 dev_dbg(codec->dev, "Using %dHz MCLK\n", wm8993->mclk_rate);
588
3bf6e421 589 reg = snd_soc_read(codec, WM8993_CLOCKING_2);
0182dcc5 590 reg &= ~(WM8993_MCLK_DIV | WM8993_SYSCLK_SRC);
942c435b
MB		 591 if (wm8993->mclk_rate > 13500000) {
592 reg |= WM8993_MCLK_DIV;
593 wm8993->sysclk_rate = wm8993->mclk_rate / 2;
594 } else {
595 reg &= ~WM8993_MCLK_DIV;
596 wm8993->sysclk_rate = wm8993->mclk_rate;
597 }
3bf6e421 598 snd_soc_write(codec, WM8993_CLOCKING_2, reg);
942c435b
MB		 599 break;
600
601 case WM8993_SYSCLK_FLL:
602 dev_dbg(codec->dev, "Using %dHz FLL clock\n",
603 wm8993->fll_fout);
604
3bf6e421 605 reg = snd_soc_read(codec, WM8993_CLOCKING_2);
942c435b
MB		 606 reg |= WM8993_SYSCLK_SRC;
607 if (wm8993->fll_fout > 13500000) {
608 reg |= WM8993_MCLK_DIV;
609 wm8993->sysclk_rate = wm8993->fll_fout / 2;
610 } else {
611 reg &= ~WM8993_MCLK_DIV;
612 wm8993->sysclk_rate = wm8993->fll_fout;
613 }
3bf6e421 614 snd_soc_write(codec, WM8993_CLOCKING_2, reg);
942c435b
MB		 615 break;
616
617 default:
618 dev_err(codec->dev, "System clock not configured\n");
619 return -EINVAL;
620 }
621
622 dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm8993->sysclk_rate);
623
624 return 0;
625}
626
942c435b
MB		 627static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0);
628static const DECLARE_TLV_DB_SCALE(drc_comp_threash, -4500, 75, 0);
629static const DECLARE_TLV_DB_SCALE(drc_comp_amp, -2250, 75, 0);
630static const DECLARE_TLV_DB_SCALE(drc_min_tlv, -1800, 600, 0);
f1022087 631static const DECLARE_TLV_DB_RANGE(drc_max_tlv,
942c435b 632 0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
f1022087
LPC		 633 3, 3, TLV_DB_SCALE_ITEM(3600, 0, 0)
634);
942c435b
MB		 635static const DECLARE_TLV_DB_SCALE(drc_qr_tlv, 1200, 600, 0);
636static const DECLARE_TLV_DB_SCALE(drc_startup_tlv, -1800, 300, 0);
637static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
638static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
639static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0);
942c435b
MB		 640
641static const char *dac_deemph_text[] = {
642 "None",
643 "32kHz",
644 "44.1kHz",
645 "48kHz",
646};
647
2d075611
TI		 648static SOC_ENUM_SINGLE_DECL(dac_deemph,
649 WM8993_DAC_CTRL, 4, dac_deemph_text);
942c435b
MB		 650
651static const char *adc_hpf_text[] = {
652 "Hi-Fi",
653 "Voice 1",
654 "Voice 2",
655 "Voice 3",
656};
657
2d075611
TI		 658static SOC_ENUM_SINGLE_DECL(adc_hpf,
659 WM8993_ADC_CTRL, 5, adc_hpf_text);
942c435b
MB		 660
661static const char *drc_path_text[] = {
662 "ADC",
663 "DAC"
664};
665
2d075611
TI		 666static SOC_ENUM_SINGLE_DECL(drc_path,
667 WM8993_DRC_CONTROL_1, 14, drc_path_text);
942c435b
MB		 668
669static const char *drc_r0_text[] = {
670 "1",
671 "1/2",
672 "1/4",
673 "1/8",
674 "1/16",
675 "0",
676};
677
2d075611
TI		 678static SOC_ENUM_SINGLE_DECL(drc_r0,
679 WM8993_DRC_CONTROL_3, 8, drc_r0_text);
942c435b
MB		 680
681static const char *drc_r1_text[] = {
682 "1",
683 "1/2",
684 "1/4",
685 "1/8",
686 "0",
687};
688
2d075611
TI		 689static SOC_ENUM_SINGLE_DECL(drc_r1,
690 WM8993_DRC_CONTROL_4, 13, drc_r1_text);
942c435b
MB		 691
692static const char *drc_attack_text[] = {
693 "Reserved",
694 "181us",
695 "363us",
696 "726us",
697 "1.45ms",
698 "2.9ms",
699 "5.8ms",
700 "11.6ms",
701 "23.2ms",
702 "46.4ms",
703 "92.8ms",
704 "185.6ms",
705};
706
2d075611
TI		 707static SOC_ENUM_SINGLE_DECL(drc_attack,
708 WM8993_DRC_CONTROL_2, 12, drc_attack_text);
942c435b
MB		 709
710static const char *drc_decay_text[] = {
711 "186ms",
712 "372ms",
713 "743ms",
714 "1.49s",
715 "2.97ms",
716 "5.94ms",
717 "11.89ms",
718 "23.78ms",
719 "47.56ms",
720};
721
2d075611
TI		 722static SOC_ENUM_SINGLE_DECL(drc_decay,
723 WM8993_DRC_CONTROL_2, 8, drc_decay_text);
942c435b
MB		 724
725static const char *drc_ff_text[] = {
726 "5 samples",
727 "9 samples",
728};
729
2d075611
TI		 730static SOC_ENUM_SINGLE_DECL(drc_ff,
731 WM8993_DRC_CONTROL_3, 7, drc_ff_text);
942c435b
MB		 732
733static const char *drc_qr_rate_text[] = {
734 "0.725ms",
735 "1.45ms",
736 "5.8ms",
737};
738
2d075611
TI		 739static SOC_ENUM_SINGLE_DECL(drc_qr_rate,
740 WM8993_DRC_CONTROL_3, 0, drc_qr_rate_text);
942c435b
MB		 741
742static const char *drc_smooth_text[] = {
743 "Low",
744 "Medium",
745 "High",
746};
747
2d075611
TI		 748static SOC_ENUM_SINGLE_DECL(drc_smooth,
749 WM8993_DRC_CONTROL_1, 4, drc_smooth_text);
942c435b 750
942c435b 751static const struct snd_kcontrol_new wm8993_snd_controls[] = {
942c435b
MB		 752SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8993_DIGITAL_SIDE_TONE,
753 5, 9, 12, 0, sidetone_tlv),
754
755SOC_SINGLE("DRC Switch", WM8993_DRC_CONTROL_1, 15, 1, 0),
756SOC_ENUM("DRC Path", drc_path),
af901ca1 757SOC_SINGLE_TLV("DRC Compressor Threshold Volume", WM8993_DRC_CONTROL_2,
942c435b
MB		 758 2, 60, 1, drc_comp_threash),
759SOC_SINGLE_TLV("DRC Compressor Amplitude Volume", WM8993_DRC_CONTROL_3,
760 11, 30, 1, drc_comp_amp),
761SOC_ENUM("DRC R0", drc_r0),
762SOC_ENUM("DRC R1", drc_r1),
763SOC_SINGLE_TLV("DRC Minimum Volume", WM8993_DRC_CONTROL_1, 2, 3, 1,
764 drc_min_tlv),
765SOC_SINGLE_TLV("DRC Maximum Volume", WM8993_DRC_CONTROL_1, 0, 3, 0,
766 drc_max_tlv),
767SOC_ENUM("DRC Attack Rate", drc_attack),
768SOC_ENUM("DRC Decay Rate", drc_decay),
769SOC_ENUM("DRC FF Delay", drc_ff),
770SOC_SINGLE("DRC Anti-clip Switch", WM8993_DRC_CONTROL_1, 9, 1, 0),
771SOC_SINGLE("DRC Quick Release Switch", WM8993_DRC_CONTROL_1, 10, 1, 0),
772SOC_SINGLE_TLV("DRC Quick Release Volume", WM8993_DRC_CONTROL_3, 2, 3, 0,
773 drc_qr_tlv),
774SOC_ENUM("DRC Quick Release Rate", drc_qr_rate),
775SOC_SINGLE("DRC Smoothing Switch", WM8993_DRC_CONTROL_1, 11, 1, 0),
776SOC_SINGLE("DRC Smoothing Hysteresis Switch", WM8993_DRC_CONTROL_1, 8, 1, 0),
af901ca1 777SOC_ENUM("DRC Smoothing Hysteresis Threshold", drc_smooth),
942c435b
MB		 778SOC_SINGLE_TLV("DRC Startup Volume", WM8993_DRC_CONTROL_4, 8, 18, 0,
779 drc_startup_tlv),
780
781SOC_SINGLE("EQ Switch", WM8993_EQ1, 0, 1, 0),
782
783SOC_DOUBLE_R_TLV("Capture Volume", WM8993_LEFT_ADC_DIGITAL_VOLUME,
784 WM8993_RIGHT_ADC_DIGITAL_VOLUME, 1, 96, 0, digital_tlv),
785SOC_SINGLE("ADC High Pass Filter Switch", WM8993_ADC_CTRL, 8, 1, 0),
786SOC_ENUM("ADC High Pass Filter Mode", adc_hpf),
787
788SOC_DOUBLE_R_TLV("Playback Volume", WM8993_LEFT_DAC_DIGITAL_VOLUME,
789 WM8993_RIGHT_DAC_DIGITAL_VOLUME, 1, 96, 0, digital_tlv),
790SOC_SINGLE_TLV("Playback Boost Volume", WM8993_AUDIO_INTERFACE_2, 10, 3, 0,
791 dac_boost_tlv),
792SOC_ENUM("DAC Deemphasis", dac_deemph),
793
942c435b 794SOC_SINGLE_TLV("SPKL DAC Volume", WM8993_SPKMIXL_ATTENUATION,
a2342ae3 795 2, 1, 1, wm_hubs_spkmix_tlv),
942c435b 796
a2342ae3
MB		 797SOC_SINGLE_TLV("SPKR DAC Volume", WM8993_SPKMIXR_ATTENUATION,
798 2, 1, 1, wm_hubs_spkmix_tlv),
942c435b
MB		 799};
800
801static const struct snd_kcontrol_new wm8993_eq_controls[] = {
802SOC_SINGLE_TLV("EQ1 Volume", WM8993_EQ2, 0, 24, 0, eq_tlv),
803SOC_SINGLE_TLV("EQ2 Volume", WM8993_EQ3, 0, 24, 0, eq_tlv),
804SOC_SINGLE_TLV("EQ3 Volume", WM8993_EQ4, 0, 24, 0, eq_tlv),
805SOC_SINGLE_TLV("EQ4 Volume", WM8993_EQ5, 0, 24, 0, eq_tlv),
806SOC_SINGLE_TLV("EQ5 Volume", WM8993_EQ6, 0, 24, 0, eq_tlv),
807};
808
942c435b
MB		 809static int clk_sys_event(struct snd_soc_dapm_widget *w,
810 struct snd_kcontrol *kcontrol, int event)
811{
07276572 812 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
942c435b
MB		 813
814 switch (event) {
815 case SND_SOC_DAPM_PRE_PMU:
816 return configure_clock(codec);
817
818 case SND_SOC_DAPM_POST_PMD:
819 break;
820 }
821
822 return 0;
823}
824
a2342ae3
MB		 825static const struct snd_kcontrol_new left_speaker_mixer[] = {
826SOC_DAPM_SINGLE("Input Switch", WM8993_SPEAKER_MIXER, 7, 1, 0),
827SOC_DAPM_SINGLE("IN1LP Switch", WM8993_SPEAKER_MIXER, 5, 1, 0),
828SOC_DAPM_SINGLE("Output Switch", WM8993_SPEAKER_MIXER, 3, 1, 0),
829SOC_DAPM_SINGLE("DAC Switch", WM8993_SPEAKER_MIXER, 6, 1, 0),
942c435b
MB		 830};
831
a2342ae3
MB		 832static const struct snd_kcontrol_new right_speaker_mixer[] = {
833SOC_DAPM_SINGLE("Input Switch", WM8993_SPEAKER_MIXER, 6, 1, 0),
834SOC_DAPM_SINGLE("IN1RP Switch", WM8993_SPEAKER_MIXER, 4, 1, 0),
835SOC_DAPM_SINGLE("Output Switch", WM8993_SPEAKER_MIXER, 2, 1, 0),
836SOC_DAPM_SINGLE("DAC Switch", WM8993_SPEAKER_MIXER, 0, 1, 0),
942c435b
MB		 837};
838
59ae07a5
MB		 839static const char *aif_text[] = {
840 "Left", "Right"
841};
842
2d075611
TI		 843static SOC_ENUM_SINGLE_DECL(aifoutl_enum,
844 WM8993_AUDIO_INTERFACE_1, 15, aif_text);
59ae07a5
MB		 845
846static const struct snd_kcontrol_new aifoutl_mux =
847 SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum);
848
2d075611
TI		 849static SOC_ENUM_SINGLE_DECL(aifoutr_enum,
850 WM8993_AUDIO_INTERFACE_1, 14, aif_text);
59ae07a5
MB		 851
852static const struct snd_kcontrol_new aifoutr_mux =
853 SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum);
854
2d075611
TI		 855static SOC_ENUM_SINGLE_DECL(aifinl_enum,
856 WM8993_AUDIO_INTERFACE_2, 15, aif_text);
59ae07a5
MB		 857
858static const struct snd_kcontrol_new aifinl_mux =
859 SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum);
860
2d075611
TI		 861static SOC_ENUM_SINGLE_DECL(aifinr_enum,
862 WM8993_AUDIO_INTERFACE_2, 14, aif_text);
59ae07a5
MB		 863
864static const struct snd_kcontrol_new aifinr_mux =
865 SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum);
866
867static const char *sidetone_text[] = {
868 "None", "Left", "Right"
869};
870
2d075611
TI		 871static SOC_ENUM_SINGLE_DECL(sidetonel_enum,
872 WM8993_DIGITAL_SIDE_TONE, 2, sidetone_text);
59ae07a5
MB		 873
874static const struct snd_kcontrol_new sidetonel_mux =
875 SOC_DAPM_ENUM("Left Sidetone", sidetonel_enum);
876
2d075611
TI		 877static SOC_ENUM_SINGLE_DECL(sidetoner_enum,
878 WM8993_DIGITAL_SIDE_TONE, 0, sidetone_text);
59ae07a5
MB		 879
880static const struct snd_kcontrol_new sidetoner_mux =
881 SOC_DAPM_ENUM("Right Sidetone", sidetoner_enum);
882
942c435b 883static const struct snd_soc_dapm_widget wm8993_dapm_widgets[] = {
942c435b
MB		 884SND_SOC_DAPM_SUPPLY("CLK_SYS", WM8993_BUS_CONTROL_1, 1, 0, clk_sys_event,
885 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
886SND_SOC_DAPM_SUPPLY("TOCLK", WM8993_CLOCKING_1, 14, 0, NULL, 0),
887SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8993_CLOCKING_3, 0, 0, NULL, 0),
4e04adaf 888SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, NULL, 0),
942c435b 889
59ae07a5
MB		 890SND_SOC_DAPM_ADC("ADCL", NULL, WM8993_POWER_MANAGEMENT_2, 1, 0),
891SND_SOC_DAPM_ADC("ADCR", NULL, WM8993_POWER_MANAGEMENT_2, 0, 0),
892
893SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux),
894SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux),
895
896SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
897SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
942c435b 898
59ae07a5
MB		 899SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
900SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
942c435b 901
59ae07a5
MB		 902SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux),
903SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux),
904
905SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &sidetonel_mux),
906SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &sidetoner_mux),
907
908SND_SOC_DAPM_DAC("DACL", NULL, WM8993_POWER_MANAGEMENT_3, 1, 0),
909SND_SOC_DAPM_DAC("DACR", NULL, WM8993_POWER_MANAGEMENT_3, 0, 0),
942c435b 910
c340304d
MB		 911SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux),
912SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux),
942c435b
MB		 913
914SND_SOC_DAPM_MIXER("SPKL", WM8993_POWER_MANAGEMENT_3, 8, 0,
915 left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
916SND_SOC_DAPM_MIXER("SPKR", WM8993_POWER_MANAGEMENT_3, 9, 0,
917 right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
b70a51ba 918SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
942c435b
MB		 919};
920
921static const struct snd_soc_dapm_route routes[] = {
4e04adaf
MB		 922 { "MICBIAS1", NULL, "VMID" },
923 { "MICBIAS2", NULL, "VMID" },
924
942c435b
MB		 925 { "ADCL", NULL, "CLK_SYS" },
926 { "ADCL", NULL, "CLK_DSP" },
942c435b
MB		 927 { "ADCR", NULL, "CLK_SYS" },
928 { "ADCR", NULL, "CLK_DSP" },
929
59ae07a5
MB		 930 { "AIFOUTL Mux", "Left", "ADCL" },
931 { "AIFOUTL Mux", "Right", "ADCR" },
932 { "AIFOUTR Mux", "Left", "ADCL" },
933 { "AIFOUTR Mux", "Right", "ADCR" },
934
935 { "AIFOUTL", NULL, "AIFOUTL Mux" },
936 { "AIFOUTR", NULL, "AIFOUTR Mux" },
937
938 { "DACL Mux", "Left", "AIFINL" },
939 { "DACL Mux", "Right", "AIFINR" },
940 { "DACR Mux", "Left", "AIFINL" },
941 { "DACR Mux", "Right", "AIFINR" },
942
943 { "DACL Sidetone", "Left", "ADCL" },
944 { "DACL Sidetone", "Right", "ADCR" },
945 { "DACR Sidetone", "Left", "ADCL" },
946 { "DACR Sidetone", "Right", "ADCR" },
947
942c435b
MB		 948 { "DACL", NULL, "CLK_SYS" },
949 { "DACL", NULL, "CLK_DSP" },
59ae07a5
MB		 950 { "DACL", NULL, "DACL Mux" },
951 { "DACL", NULL, "DACL Sidetone" },
942c435b
MB		 952 { "DACR", NULL, "CLK_SYS" },
953 { "DACR", NULL, "CLK_DSP" },
59ae07a5
MB		 954 { "DACR", NULL, "DACR Mux" },
955 { "DACR", NULL, "DACR Sidetone" },
942c435b 956
942c435b
MB		 957 { "Left Output Mixer", "DAC Switch", "DACL" },
958
942c435b
MB		 959 { "Right Output Mixer", "DAC Switch", "DACR" },
960
942c435b 961 { "Left Output PGA", NULL, "CLK_SYS" },
942c435b 962
942c435b 963 { "Right Output PGA", NULL, "CLK_SYS" },
942c435b 964
942c435b
MB		 965 { "SPKL", "DAC Switch", "DACL" },
966 { "SPKL", NULL, "CLK_SYS" },
942c435b 967
942c435b
MB		 968 { "SPKR", "DAC Switch", "DACR" },
969 { "SPKR", NULL, "CLK_SYS" },
942c435b
MB		 970
971 { "Left Headphone Mux", "DAC", "DACL" },
942c435b 972 { "Right Headphone Mux", "DAC", "DACR" },
942c435b
MB		 973};
974
975static int wm8993_set_bias_level(struct snd_soc_codec *codec,
976 enum snd_soc_bias_level level)
977{
b2c812e2 978 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
cf56f627 979 int ret;
942c435b 980
5f2f3890
MB		 981 wm_hubs_set_bias_level(codec, level);
982
942c435b
MB		 983 switch (level) {
984 case SND_SOC_BIAS_ON:
985 case SND_SOC_BIAS_PREPARE:
986 /* VMID=2*40k */
987 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
988 WM8993_VMID_SEL_MASK, 0x2);
989 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_2,
990 WM8993_TSHUT_ENA, WM8993_TSHUT_ENA);
991 break;
992
993 case SND_SOC_BIAS_STANDBY:
f8ae3cf8 994 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
cf56f627
MB		 995 ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies),
996 wm8993->supplies);
997 if (ret != 0)
998 return ret;
999
d0ad0af0
MB		 1000 regcache_cache_only(wm8993->regmap, false);
1001 regcache_sync(wm8993->regmap);
cf56f627 1002
5f2f3890
MB		 1003 wm_hubs_vmid_ena(codec);
1004
942c435b
MB		 1005 /* Bring up VMID with fast soft start */
1006 snd_soc_update_bits(codec, WM8993_ANTIPOP2,
1007 WM8993_STARTUP_BIAS_ENA |
1008 WM8993_VMID_BUF_ENA |
1009 WM8993_VMID_RAMP_MASK |
1010 WM8993_BIAS_SRC,
1011 WM8993_STARTUP_BIAS_ENA |
1012 WM8993_VMID_BUF_ENA |
1013 WM8993_VMID_RAMP_MASK |
1014 WM8993_BIAS_SRC);
1015
1016 /* If either line output is single ended we
1017 * need the VMID buffer */
1018 if (!wm8993->pdata.lineout1_diff ||
1019 !wm8993->pdata.lineout2_diff)
1020 snd_soc_update_bits(codec, WM8993_ANTIPOP1,
1021 WM8993_LINEOUT_VMID_BUF_ENA,
1022 WM8993_LINEOUT_VMID_BUF_ENA);
1023
1024 /* VMID=2*40k */
1025 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
1026 WM8993_VMID_SEL_MASK |
1027 WM8993_BIAS_ENA,
1028 WM8993_BIAS_ENA | 0x2);
1029 msleep(32);
1030
1031 /* Switch to normal bias */
1032 snd_soc_update_bits(codec, WM8993_ANTIPOP2,
1033 WM8993_BIAS_SRC |
1034 WM8993_STARTUP_BIAS_ENA, 0);
1035 }
1036
1037 /* VMID=2*240k */
1038 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
1039 WM8993_VMID_SEL_MASK, 0x4);
1040
1041 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_2,
1042 WM8993_TSHUT_ENA, 0);
1043 break;
1044
1045 case SND_SOC_BIAS_OFF:
1046 snd_soc_update_bits(codec, WM8993_ANTIPOP1,
1047 WM8993_LINEOUT_VMID_BUF_ENA, 0);
1048
1049 snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
1050 WM8993_VMID_SEL_MASK | WM8993_BIAS_ENA,
1051 0);
cf56f627 1052
83b65425
MB		 1053 snd_soc_update_bits(codec, WM8993_ANTIPOP2,
1054 WM8993_STARTUP_BIAS_ENA |
1055 WM8993_VMID_BUF_ENA |
1056 WM8993_VMID_RAMP_MASK |
1057 WM8993_BIAS_SRC, 0);
1058
d0ad0af0
MB		 1059 regcache_cache_only(wm8993->regmap, true);
1060 regcache_mark_dirty(wm8993->regmap);
cf56f627
MB		 1061
1062 regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies),
1063 wm8993->supplies);
942c435b
MB		 1064 break;
1065 }
1066
942c435b
MB		 1067 return 0;
1068}
1069
1070static int wm8993_set_sysclk(struct snd_soc_dai *codec_dai,
1071 int clk_id, unsigned int freq, int dir)
1072{
1073 struct snd_soc_codec *codec = codec_dai->codec;
b2c812e2 1074 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
942c435b
MB		 1075
1076 switch (clk_id) {
1077 case WM8993_SYSCLK_MCLK:
1078 wm8993->mclk_rate = freq;
1079 case WM8993_SYSCLK_FLL:
1080 wm8993->sysclk_source = clk_id;
1081 break;
1082
1083 default:
1084 return -EINVAL;
1085 }
1086
1087 return 0;
1088}
1089
1090static int wm8993_set_dai_fmt(struct snd_soc_dai *dai,
1091 unsigned int fmt)
1092{
1093 struct snd_soc_codec *codec = dai->codec;
b2c812e2 1094 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
3bf6e421
MB		 1095 unsigned int aif1 = snd_soc_read(codec, WM8993_AUDIO_INTERFACE_1);
1096 unsigned int aif4 = snd_soc_read(codec, WM8993_AUDIO_INTERFACE_4);
942c435b
MB		 1097
1098 aif1 &= ~(WM8993_BCLK_DIR | WM8993_AIF_BCLK_INV |
1099 WM8993_AIF_LRCLK_INV | WM8993_AIF_FMT_MASK);
1100 aif4 &= ~WM8993_LRCLK_DIR;
1101
1102 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1103 case SND_SOC_DAIFMT_CBS_CFS:
1104 wm8993->master = 0;
1105 break;
1106 case SND_SOC_DAIFMT_CBS_CFM:
1107 aif4 |= WM8993_LRCLK_DIR;
1108 wm8993->master = 1;
1109 break;
1110 case SND_SOC_DAIFMT_CBM_CFS:
1111 aif1 |= WM8993_BCLK_DIR;
1112 wm8993->master = 1;
1113 break;
1114 case SND_SOC_DAIFMT_CBM_CFM:
1115 aif1 |= WM8993_BCLK_DIR;
1116 aif4 |= WM8993_LRCLK_DIR;
1117 wm8993->master = 1;
1118 break;
1119 default:
1120 return -EINVAL;
1121 }
1122
1123 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1124 case SND_SOC_DAIFMT_DSP_B:
1125 aif1 |= WM8993_AIF_LRCLK_INV;
1126 case SND_SOC_DAIFMT_DSP_A:
1127 aif1 |= 0x18;
1128 break;
1129 case SND_SOC_DAIFMT_I2S:
1130 aif1 |= 0x10;
1131 break;
1132 case SND_SOC_DAIFMT_RIGHT_J:
1133 break;
1134 case SND_SOC_DAIFMT_LEFT_J:
1135 aif1 |= 0x8;
1136 break;
1137 default:
1138 return -EINVAL;
1139 }
1140
1141 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1142 case SND_SOC_DAIFMT_DSP_A:
1143 case SND_SOC_DAIFMT_DSP_B:
1144 /* frame inversion not valid for DSP modes */
1145 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1146 case SND_SOC_DAIFMT_NB_NF:
1147 break;
1148 case SND_SOC_DAIFMT_IB_NF:
1149 aif1 |= WM8993_AIF_BCLK_INV;
1150 break;
1151 default:
1152 return -EINVAL;
1153 }
1154 break;
1155
1156 case SND_SOC_DAIFMT_I2S:
1157 case SND_SOC_DAIFMT_RIGHT_J:
1158 case SND_SOC_DAIFMT_LEFT_J:
1159 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1160 case SND_SOC_DAIFMT_NB_NF:
1161 break;
1162 case SND_SOC_DAIFMT_IB_IF:
1163 aif1 |= WM8993_AIF_BCLK_INV | WM8993_AIF_LRCLK_INV;
1164 break;
1165 case SND_SOC_DAIFMT_IB_NF:
1166 aif1 |= WM8993_AIF_BCLK_INV;
1167 break;
1168 case SND_SOC_DAIFMT_NB_IF:
1169 aif1 |= WM8993_AIF_LRCLK_INV;
1170 break;
1171 default:
1172 return -EINVAL;
1173 }
1174 break;
1175 default:
1176 return -EINVAL;
1177 }
1178
3bf6e421
MB		 1179 snd_soc_write(codec, WM8993_AUDIO_INTERFACE_1, aif1);
1180 snd_soc_write(codec, WM8993_AUDIO_INTERFACE_4, aif4);
942c435b
MB		 1181
1182 return 0;
1183}
1184
1185static int wm8993_hw_params(struct snd_pcm_substream *substream,
1186 struct snd_pcm_hw_params *params,
1187 struct snd_soc_dai *dai)
1188{
1189 struct snd_soc_codec *codec = dai->codec;
b2c812e2 1190 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
942c435b
MB		 1191 int ret, i, best, best_val, cur_val;
1192 unsigned int clocking1, clocking3, aif1, aif4;
1193
3bf6e421 1194 clocking1 = snd_soc_read(codec, WM8993_CLOCKING_1);
942c435b
MB		 1195 clocking1 &= ~WM8993_BCLK_DIV_MASK;
1196
3bf6e421 1197 clocking3 = snd_soc_read(codec, WM8993_CLOCKING_3);
942c435b
MB		 1198 clocking3 &= ~(WM8993_CLK_SYS_RATE_MASK | WM8993_SAMPLE_RATE_MASK);
1199
3bf6e421 1200 aif1 = snd_soc_read(codec, WM8993_AUDIO_INTERFACE_1);
942c435b
MB		 1201 aif1 &= ~WM8993_AIF_WL_MASK;
1202
3bf6e421 1203 aif4 = snd_soc_read(codec, WM8993_AUDIO_INTERFACE_4);
942c435b
MB		 1204 aif4 &= ~WM8993_LRCLK_RATE_MASK;
1205
1206 /* What BCLK do we need? */
1207 wm8993->fs = params_rate(params);
1208 wm8993->bclk = 2 * wm8993->fs;
d3c9e9a1
MB		 1209 if (wm8993->tdm_slots) {
1210 dev_dbg(codec->dev, "Configuring for %d %d bit TDM slots\n",
1211 wm8993->tdm_slots, wm8993->tdm_width);
1212 wm8993->bclk *= wm8993->tdm_width * wm8993->tdm_slots;
1213 } else {
ae62ba67
MB		 1214 switch (params_width(params)) {
1215 case 16:
d3c9e9a1
MB		 1216 wm8993->bclk *= 16;
1217 break;
ae62ba67 1218 case 20:
d3c9e9a1
MB		 1219 wm8993->bclk *= 20;
1220 aif1 |= 0x8;
1221 break;
ae62ba67 1222 case 24:
d3c9e9a1
MB		 1223 wm8993->bclk *= 24;
1224 aif1 |= 0x10;
1225 break;
ae62ba67 1226 case 32:
d3c9e9a1
MB		 1227 wm8993->bclk *= 32;
1228 aif1 |= 0x18;
1229 break;
1230 default:
1231 return -EINVAL;
1232 }
942c435b
MB		 1233 }
1234
1235 dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm8993->bclk);
1236
1237 ret = configure_clock(codec);
1238 if (ret != 0)
1239 return ret;
1240
1241 /* Select nearest CLK_SYS_RATE */
1242 best = 0;
1243 best_val = abs((wm8993->sysclk_rate / clk_sys_rates[0].ratio)
1244 - wm8993->fs);
1245 for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) {
1246 cur_val = abs((wm8993->sysclk_rate /
ef995e3a 1247 clk_sys_rates[i].ratio) - wm8993->fs);
942c435b
MB		 1248 if (cur_val < best_val) {
1249 best = i;
1250 best_val = cur_val;
1251 }
1252 }
1253 dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n",
1254 clk_sys_rates[best].ratio);
1255 clocking3 |= (clk_sys_rates[best].clk_sys_rate
1256 << WM8993_CLK_SYS_RATE_SHIFT);
1257
1258 /* SAMPLE_RATE */
1259 best = 0;
1260 best_val = abs(wm8993->fs - sample_rates[0].rate);
1261 for (i = 1; i < ARRAY_SIZE(sample_rates); i++) {
1262 /* Closest match */
1263 cur_val = abs(wm8993->fs - sample_rates[i].rate);
1264 if (cur_val < best_val) {
1265 best = i;
1266 best_val = cur_val;
1267 }
1268 }
1269 dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n",
1270 sample_rates[best].rate);
e465d544
MB		 1271 clocking3 |= (sample_rates[best].sample_rate
1272 << WM8993_SAMPLE_RATE_SHIFT);
942c435b
MB		 1273
1274 /* BCLK_DIV */
1275 best = 0;
1276 best_val = INT_MAX;
1277 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
1278 cur_val = ((wm8993->sysclk_rate * 10) / bclk_divs[i].div)
1279 - wm8993->bclk;
1280 if (cur_val < 0) /* Table is sorted */
1281 break;
1282 if (cur_val < best_val) {
1283 best = i;
1284 best_val = cur_val;
1285 }
1286 }
1287 wm8993->bclk = (wm8993->sysclk_rate * 10) / bclk_divs[best].div;
1288 dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n",
1289 bclk_divs[best].div, wm8993->bclk);
1290 clocking1 |= bclk_divs[best].bclk_div << WM8993_BCLK_DIV_SHIFT;
1291
1292 /* LRCLK is a simple fraction of BCLK */
1293 dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm8993->bclk / wm8993->fs);
1294 aif4 |= wm8993->bclk / wm8993->fs;
1295
3bf6e421
MB		 1296 snd_soc_write(codec, WM8993_CLOCKING_1, clocking1);
1297 snd_soc_write(codec, WM8993_CLOCKING_3, clocking3);
1298 snd_soc_write(codec, WM8993_AUDIO_INTERFACE_1, aif1);
1299 snd_soc_write(codec, WM8993_AUDIO_INTERFACE_4, aif4);
942c435b
MB		 1300
1301 /* ReTune Mobile? */
1302 if (wm8993->pdata.num_retune_configs) {
3bf6e421 1303 u16 eq1 = snd_soc_read(codec, WM8993_EQ1);
942c435b
MB		 1304 struct wm8993_retune_mobile_setting *s;
1305
1306 best = 0;
1307 best_val = abs(wm8993->pdata.retune_configs[0].rate
1308 - wm8993->fs);
1309 for (i = 0; i < wm8993->pdata.num_retune_configs; i++) {
1310 cur_val = abs(wm8993->pdata.retune_configs[i].rate
1311 - wm8993->fs);
1312 if (cur_val < best_val) {
1313 best_val = cur_val;
1314 best = i;
1315 }
1316 }
1317 s = &wm8993->pdata.retune_configs[best];
1318
1319 dev_dbg(codec->dev, "ReTune Mobile %s tuned for %dHz\n",
1320 s->name, s->rate);
1321
1322 /* Disable EQ while we reconfigure */
1323 snd_soc_update_bits(codec, WM8993_EQ1, WM8993_EQ_ENA, 0);
1324
1325 for (i = 1; i < ARRAY_SIZE(s->config); i++)
3bf6e421 1326 snd_soc_write(codec, WM8993_EQ1 + i, s->config[i]);
942c435b
MB		 1327
1328 snd_soc_update_bits(codec, WM8993_EQ1, WM8993_EQ_ENA, eq1);
1329 }
1330
1331 return 0;
1332}
1333
1334static int wm8993_digital_mute(struct snd_soc_dai *codec_dai, int mute)
1335{
1336 struct snd_soc_codec *codec = codec_dai->codec;
1337 unsigned int reg;
1338
3bf6e421 1339 reg = snd_soc_read(codec, WM8993_DAC_CTRL);
942c435b
MB		 1340
1341 if (mute)
1342 reg |= WM8993_DAC_MUTE;
1343 else
1344 reg &= ~WM8993_DAC_MUTE;
1345
3bf6e421 1346 snd_soc_write(codec, WM8993_DAC_CTRL, reg);
942c435b
MB		 1347
1348 return 0;
1349}
1350
d3c9e9a1
MB		 1351static int wm8993_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
1352 unsigned int rx_mask, int slots, int slot_width)
1353{
1354 struct snd_soc_codec *codec = dai->codec;
b2c812e2 1355 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
d3c9e9a1
MB		 1356 int aif1 = 0;
1357 int aif2 = 0;
1358
1359 /* Don't need to validate anything if we're turning off TDM */
1360 if (slots == 0) {
1361 wm8993->tdm_slots = 0;
1362 goto out;
1363 }
1364
1365 /* Note that we allow configurations we can't handle ourselves -
1366 * for example, we can generate clocks for slots 2 and up even if
1367 * we can't use those slots ourselves.
1368 */
1369 aif1 |= WM8993_AIFADC_TDM;
1370 aif2 |= WM8993_AIFDAC_TDM;
1371
1372 switch (rx_mask) {
1373 case 3:
1374 break;
1375 case 0xc:
1376 aif1 |= WM8993_AIFADC_TDM_CHAN;
1377 break;
1378 default:
1379 return -EINVAL;
1380 }
1381
1382
1383 switch (tx_mask) {
1384 case 3:
1385 break;
1386 case 0xc:
1387 aif2 |= WM8993_AIFDAC_TDM_CHAN;
1388 break;
1389 default:
1390 return -EINVAL;
1391 }
1392
1393out:
1394 wm8993->tdm_width = slot_width;
1395 wm8993->tdm_slots = slots / 2;
1396
1397 snd_soc_update_bits(codec, WM8993_AUDIO_INTERFACE_1,
1398 WM8993_AIFADC_TDM | WM8993_AIFADC_TDM_CHAN, aif1);
1399 snd_soc_update_bits(codec, WM8993_AUDIO_INTERFACE_2,
1400 WM8993_AIFDAC_TDM | WM8993_AIFDAC_TDM_CHAN, aif2);
1401
1402 return 0;
1403}
1404
164548d3
MB		 1405static irqreturn_t wm8993_irq(int irq, void *data)
1406{
1407 struct wm8993_priv *wm8993 = data;
1408 int mask, val, ret;
1409
1410 ret = regmap_read(wm8993->regmap, WM8993_GPIO_CTRL_1, &val);
1411 if (ret != 0) {
1412 dev_err(wm8993->dev, "Failed to read interrupt status: %d\n",
1413 ret);
1414 return IRQ_NONE;
1415 }
1416
1417 ret = regmap_read(wm8993->regmap, WM8993_GPIOCTRL_2, &mask);
1418 if (ret != 0) {
1419 dev_err(wm8993->dev, "Failed to read interrupt mask: %d\n",
1420 ret);
1421 return IRQ_NONE;
1422 }
1423
1424 /* The IRQ pin status is visible in the register too */
1425 val &= ~(mask | WM8993_IRQ);
1426 if (!val)
1427 return IRQ_NONE;
1428
1429 if (val & WM8993_TEMPOK_EINT)
1430 dev_crit(wm8993->dev, "Thermal warning\n");
1431
1432 if (val & WM8993_FLL_LOCK_EINT) {
1433 dev_dbg(wm8993->dev, "FLL locked\n");
1434 complete(&wm8993->fll_lock);
1435 }
1436
1437 ret = regmap_write(wm8993->regmap, WM8993_GPIO_CTRL_1, val);
1438 if (ret != 0)
1439 dev_err(wm8993->dev, "Failed to ack interrupt: %d\n", ret);
1440
1441 return IRQ_HANDLED;
1442}
1443
85e7652d 1444static const struct snd_soc_dai_ops wm8993_ops = {
942c435b
MB		 1445 .set_sysclk = wm8993_set_sysclk,
1446 .set_fmt = wm8993_set_dai_fmt,
1447 .hw_params = wm8993_hw_params,
1448 .digital_mute = wm8993_digital_mute,
1449 .set_pll = wm8993_set_fll,
d3c9e9a1 1450 .set_tdm_slot = wm8993_set_tdm_slot,
942c435b
MB		 1451};
1452
1453#define WM8993_RATES SNDRV_PCM_RATE_8000_48000
1454
1455#define WM8993_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1456 SNDRV_PCM_FMTBIT_S20_3LE |\
1457 SNDRV_PCM_FMTBIT_S24_LE |\
1458 SNDRV_PCM_FMTBIT_S32_LE)
1459
f0fba2ad
LG		 1460static struct snd_soc_dai_driver wm8993_dai = {
1461 .name = "wm8993-hifi",
942c435b
MB		 1462 .playback = {
1463 .stream_name = "Playback",
1464 .channels_min = 1,
1465 .channels_max = 2,
1466 .rates = WM8993_RATES,
1467 .formats = WM8993_FORMATS,
99b0292d 1468 .sig_bits = 24,
942c435b
MB		 1469 },
1470 .capture = {
1471 .stream_name = "Capture",
1472 .channels_min = 1,
1473 .channels_max = 2,
1474 .rates = WM8993_RATES,
1475 .formats = WM8993_FORMATS,
99b0292d 1476 .sig_bits = 24,
942c435b
MB		 1477 },
1478 .ops = &wm8993_ops,
1479 .symmetric_rates = 1,
1480};
942c435b 1481
f0fba2ad 1482static int wm8993_probe(struct snd_soc_codec *codec)
942c435b 1483{
f0fba2ad 1484 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
f8ae3cf8 1485 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
f0fba2ad 1486
f0fba2ad 1487 wm8993->hubs_data.hp_startup_mode = 1;
4537c4e7
MB		 1488 wm8993->hubs_data.dcs_codes_l = -2;
1489 wm8993->hubs_data.dcs_codes_r = -2;
f9acf9fe 1490 wm8993->hubs_data.series_startup = 1;
f0fba2ad 1491
f0fba2ad
LG		 1492 /* Latch volume update bits and default ZC on */
1493 snd_soc_update_bits(codec, WM8993_RIGHT_DAC_DIGITAL_VOLUME,
1494 WM8993_DAC_VU, WM8993_DAC_VU);
1495 snd_soc_update_bits(codec, WM8993_RIGHT_ADC_DIGITAL_VOLUME,
1496 WM8993_ADC_VU, WM8993_ADC_VU);
1497
1498 /* Manualy manage the HPOUT sequencing for independent stereo
1499 * control. */
1500 snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
1501 WM8993_HPOUT1_AUTO_PU, 0);
1502
1503 /* Use automatic clock configuration */
1504 snd_soc_update_bits(codec, WM8993_CLOCKING_4, WM8993_SR_MODE, 0);
1505
1506 wm_hubs_handle_analogue_pdata(codec, wm8993->pdata.lineout1_diff,
1507 wm8993->pdata.lineout2_diff,
1508 wm8993->pdata.lineout1fb,
1509 wm8993->pdata.lineout2fb,
1510 wm8993->pdata.jd_scthr,
1511 wm8993->pdata.jd_thr,
02e79476
MB		 1512 wm8993->pdata.micbias1_delay,
1513 wm8993->pdata.micbias2_delay,
f0fba2ad
LG		 1514 wm8993->pdata.micbias1_lvl,
1515 wm8993->pdata.micbias2_lvl);
1516
022658be 1517 snd_soc_add_codec_controls(codec, wm8993_snd_controls,
942c435b
MB		 1518 ARRAY_SIZE(wm8993_snd_controls));
1519 if (wm8993->pdata.num_retune_configs != 0) {
1520 dev_dbg(codec->dev, "Using ReTune Mobile\n");
1521 } else {
1522 dev_dbg(codec->dev, "No ReTune Mobile, using normal EQ\n");
022658be 1523 snd_soc_add_codec_controls(codec, wm8993_eq_controls,
942c435b
MB		 1524 ARRAY_SIZE(wm8993_eq_controls));
1525 }
1526
ce6120cc 1527 snd_soc_dapm_new_controls(dapm, wm8993_dapm_widgets,
942c435b 1528 ARRAY_SIZE(wm8993_dapm_widgets));
a2342ae3 1529 wm_hubs_add_analogue_controls(codec);
942c435b 1530
ce6120cc 1531 snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes));
a2342ae3
MB		 1532 wm_hubs_add_analogue_routes(codec, wm8993->pdata.lineout1_diff,
1533 wm8993->pdata.lineout2_diff);
942c435b 1534
f959dee9
MB		 1535 /* If the line outputs are differential then we aren't presenting
1536 * VMID as an output and can disable it.
1537 */
1538 if (wm8993->pdata.lineout1_diff && wm8993->pdata.lineout2_diff)
f8ae3cf8 1539 dapm->idle_bias_off = 1;
f959dee9 1540
f0fba2ad 1541 return 0;
942c435b 1542
942c435b
MB		 1543}
1544
53242c68 1545#ifdef CONFIG_PM
84b315ee 1546static int wm8993_suspend(struct snd_soc_codec *codec)
53242c68 1547{
b2c812e2 1548 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
53242c68
MB		 1549 int fll_fout = wm8993->fll_fout;
1550 int fll_fref = wm8993->fll_fref;
1551 int ret;
1552
1553 /* Stop the FLL in an orderly fashion */
f0fba2ad 1554 ret = _wm8993_set_fll(codec, 0, 0, 0, 0);
53242c68 1555 if (ret != 0) {
f0fba2ad 1556 dev_err(codec->dev, "Failed to stop FLL\n");
53242c68
MB		 1557 return ret;
1558 }
1559
1560 wm8993->fll_fout = fll_fout;
1561 wm8993->fll_fref = fll_fref;
1562
bd1204cb 1563 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
53242c68
MB		 1564
1565 return 0;
1566}
1567
f0fba2ad 1568static int wm8993_resume(struct snd_soc_codec *codec)
53242c68 1569{
b2c812e2 1570 struct wm8993_priv *wm8993 = snd_soc_codec_get_drvdata(codec);
cf56f627 1571 int ret;
53242c68 1572
bd1204cb 1573 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
53242c68
MB		 1574
1575 /* Restart the FLL? */
1576 if (wm8993->fll_fout) {
1577 int fll_fout = wm8993->fll_fout;
1578 int fll_fref = wm8993->fll_fref;
1579
1580 wm8993->fll_fref = 0;
1581 wm8993->fll_fout = 0;
1582
f0fba2ad 1583 ret = _wm8993_set_fll(codec, 0, wm8993->fll_src,
53242c68
MB		 1584 fll_fref, fll_fout);
1585 if (ret != 0)
1586 dev_err(codec->dev, "Failed to restart FLL\n");
1587 }
1588
1589 return 0;
1590}
1591#else
1592#define wm8993_suspend NULL
1593#define wm8993_resume NULL
1594#endif
1595
489773c2 1596/* Tune DC servo configuration */
41a5fefe 1597static const struct reg_sequence wm8993_regmap_patch[] = {
489773c2
MB		 1598 { 0x44, 3 },
1599 { 0x56, 3 },
1600 { 0x44, 0 },
1601};
1602
d0ad0af0
MB		 1603static const struct regmap_config wm8993_regmap = {
1604 .reg_bits = 8,
1605 .val_bits = 16,
1606
1607 .max_register = WM8993_MAX_REGISTER,
1608 .volatile_reg = wm8993_volatile,
1609 .readable_reg = wm8993_readable,
1610
1611 .cache_type = REGCACHE_RBTREE,
1612 .reg_defaults = wm8993_reg_defaults,
1613 .num_reg_defaults = ARRAY_SIZE(wm8993_reg_defaults),
1614};
1615
f802d6c0 1616static const struct snd_soc_codec_driver soc_codec_dev_wm8993 = {
942c435b 1617 .probe = wm8993_probe,
53242c68
MB		 1618 .suspend = wm8993_suspend,
1619 .resume = wm8993_resume,
f0fba2ad 1620 .set_bias_level = wm8993_set_bias_level,
942c435b 1621};
942c435b 1622
7a79e94e
BP		 1623static int wm8993_i2c_probe(struct i2c_client *i2c,
1624 const struct i2c_device_id *id)
942c435b
MB		 1625{
1626 struct wm8993_priv *wm8993;
bfea3abb
MB		 1627 unsigned int reg;
1628 int ret, i;
942c435b 1629
ec641c45 1630 wm8993 = devm_kzalloc(&i2c->dev, sizeof(struct wm8993_priv),
f6a93368 1631 GFP_KERNEL);
942c435b
MB		 1632 if (wm8993 == NULL)
1633 return -ENOMEM;
1634
164548d3
MB		 1635 wm8993->dev = &i2c->dev;
1636 init_completion(&wm8993->fll_lock);
1637
6dff9b3b 1638 wm8993->regmap = devm_regmap_init_i2c(i2c, &wm8993_regmap);
d0ad0af0
MB		 1639 if (IS_ERR(wm8993->regmap)) {
1640 ret = PTR_ERR(wm8993->regmap);
1641 dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
1642 return ret;
1643 }
1644
942c435b 1645 i2c_set_clientdata(i2c, wm8993);
942c435b 1646
bfea3abb
MB		 1647 for (i = 0; i < ARRAY_SIZE(wm8993->supplies); i++)
1648 wm8993->supplies[i].supply = wm8993_supply_names[i];
1649
877fa971 1650 ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8993->supplies),
bfea3abb
MB		 1651 wm8993->supplies);
1652 if (ret != 0) {
1653 dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
6dff9b3b 1654 return ret;
bfea3abb
MB		 1655 }
1656
1657 ret = regulator_bulk_enable(ARRAY_SIZE(wm8993->supplies),
1658 wm8993->supplies);
1659 if (ret != 0) {
1660 dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
6dff9b3b 1661 return ret;
bfea3abb
MB		 1662 }
1663
1664 ret = regmap_read(wm8993->regmap, WM8993_SOFTWARE_RESET, &reg);
1665 if (ret != 0) {
1666 dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret);
1667 goto err_enable;
1668 }
1669
1670 if (reg != 0x8993) {
1671 dev_err(&i2c->dev, "Invalid ID register value %x\n", reg);
1672 ret = -EINVAL;
1673 goto err_enable;
1674 }
1675
1676 ret = regmap_write(wm8993->regmap, WM8993_SOFTWARE_RESET, 0xffff);
1677 if (ret != 0)
1678 goto err_enable;
1679
489773c2
MB		 1680 ret = regmap_register_patch(wm8993->regmap, wm8993_regmap_patch,
1681 ARRAY_SIZE(wm8993_regmap_patch));
1682 if (ret != 0)
1683 dev_warn(wm8993->dev, "Failed to apply regmap patch: %d\n",
1684 ret);
1685
164548d3
MB		 1686 if (i2c->irq) {
1687 /* Put GPIO1 into interrupt mode (only GPIO1 can output IRQ) */
1688 ret = regmap_update_bits(wm8993->regmap, WM8993_GPIO1,
1689 WM8993_GPIO1_PD |
1690 WM8993_GPIO1_SEL_MASK, 7);
1691 if (ret != 0)
1692 goto err_enable;
1693
1694 ret = request_threaded_irq(i2c->irq, NULL, wm8993_irq,
1695 IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
1696 "wm8993", wm8993);
1697 if (ret != 0)
1698 goto err_enable;
1699
1700 }
1701
bfea3abb
MB		 1702 regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
1703
1704 regcache_cache_only(wm8993->regmap, true);
1705
f0fba2ad
LG		 1706 ret = snd_soc_register_codec(&i2c->dev,
1707 &soc_codec_dev_wm8993, &wm8993_dai, 1);
d0ad0af0
MB		 1708 if (ret != 0) {
1709 dev_err(&i2c->dev, "Failed to register CODEC: %d\n", ret);
164548d3 1710 goto err_irq;
d0ad0af0
MB		 1711 }
1712
bfea3abb 1713 return 0;
d0ad0af0 1714
164548d3
MB		 1715err_irq:
1716 if (i2c->irq)
1717 free_irq(i2c->irq, wm8993);
bfea3abb
MB		 1718err_enable:
1719 regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
942c435b
MB		 1720 return ret;
1721}
1722
7a79e94e 1723static int wm8993_i2c_remove(struct i2c_client *i2c)
942c435b 1724{
164548d3 1725 struct wm8993_priv *wm8993 = i2c_get_clientdata(i2c);
d0ad0af0 1726
164548d3
MB		 1727 snd_soc_unregister_codec(&i2c->dev);
1728 if (i2c->irq)
1729 free_irq(i2c->irq, wm8993);
bfea3abb 1730 regulator_bulk_disable(ARRAY_SIZE(wm8993->supplies), wm8993->supplies);
d0ad0af0 1731
942c435b
MB		 1732 return 0;
1733}
1734
1735static const struct i2c_device_id wm8993_i2c_id[] = {
1736 { "wm8993", 0 },
1737 { }
1738};
1739MODULE_DEVICE_TABLE(i2c, wm8993_i2c_id);
1740
1741static struct i2c_driver wm8993_i2c_driver = {
1742 .driver = {
091edccf 1743 .name = "wm8993",
942c435b 1744 },
f0fba2ad 1745 .probe = wm8993_i2c_probe,
7a79e94e 1746 .remove = wm8993_i2c_remove,
942c435b
MB		 1747 .id_table = wm8993_i2c_id,
1748};
942c435b 1749
7813561a 1750module_i2c_driver(wm8993_i2c_driver);
942c435b
MB		 1751
1752MODULE_DESCRIPTION("ASoC WM8993 driver");
1753MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
1754MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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