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x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / soc / codecs / wm8958-dsp2.c
blob6b864c0fc2b676cc83f9d03d2218815e7e805919
1 /*
2 * wm8958-dsp2.c -- WM8958 DSP2 support
3 *
4 * Copyright 2011 Wolfson Microelectronics plc
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>
19 #include <linux/platform_device.h>
20 #include <linux/slab.h>
21 #include <sound/soc.h>
22 #include <sound/initval.h>
23 #include <sound/tlv.h>
24 #include <trace/events/asoc.h>
25
26 #include <linux/mfd/wm8994/core.h>
27 #include <linux/mfd/wm8994/registers.h>
28 #include <linux/mfd/wm8994/pdata.h>
29 #include <linux/mfd/wm8994/gpio.h>
30
31 #include "wm8994.h"
32
33 #define WM_FW_BLOCK_INFO 0xff
34 #define WM_FW_BLOCK_PM 0x00
35 #define WM_FW_BLOCK_X 0x01
36 #define WM_FW_BLOCK_Y 0x02
37 #define WM_FW_BLOCK_Z 0x03
38 #define WM_FW_BLOCK_I 0x06
39 #define WM_FW_BLOCK_A 0x08
40 #define WM_FW_BLOCK_C 0x0c
41
42 static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name,
43 const struct firmware *fw, bool check)
44 {
45 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
46 u64 data64;
47 u32 data32;
48 const u8 *data;
49 char *str;
50 size_t block_len, len;
51 int ret = 0;
52
53 /* Suppress unneeded downloads */
54 if (wm8994->cur_fw == fw)
55 return 0;
56
57 if (fw->size < 32) {
58 dev_err(codec->dev, "%s: firmware too short (%zd bytes)\n",
59 name, fw->size);
60 goto err;
61 }
62
63 if (memcmp(fw->data, "WMFW", 4) != 0) {
64 memcpy(&data32, fw->data, sizeof(data32));
65 data32 = be32_to_cpu(data32);
66 dev_err(codec->dev, "%s: firmware has bad file magic %08x\n",
67 name, data32);
68 goto err;
69 }
70
71 memcpy(&data32, fw->data + 4, sizeof(data32));
72 len = be32_to_cpu(data32);
73
74 memcpy(&data32, fw->data + 8, sizeof(data32));
75 data32 = be32_to_cpu(data32);
76 if ((data32 >> 24) & 0xff) {
77 dev_err(codec->dev, "%s: unsupported firmware version %d\n",
78 name, (data32 >> 24) & 0xff);
79 goto err;
80 }
81 if ((data32 & 0xffff) != 8958) {
82 dev_err(codec->dev, "%s: unsupported target device %d\n",
83 name, data32 & 0xffff);
84 goto err;
85 }
86 if (((data32 >> 16) & 0xff) != 0xc) {
87 dev_err(codec->dev, "%s: unsupported target core %d\n",
88 name, (data32 >> 16) & 0xff);
89 goto err;
90 }
91
92 if (check) {
93 memcpy(&data64, fw->data + 24, sizeof(u64));
94 dev_info(codec->dev, "%s timestamp %llx\n",
95 name, be64_to_cpu(data64));
96 } else {
97 snd_soc_write(codec, 0x102, 0x2);
98 snd_soc_write(codec, 0x900, 0x2);
99 }
100
101 data = fw->data + len;
102 len = fw->size - len;
103 while (len) {
104 if (len < 12) {
105 dev_err(codec->dev, "%s short data block of %zd\n",
106 name, len);
107 goto err;
108 }
109
110 memcpy(&data32, data + 4, sizeof(data32));
111 block_len = be32_to_cpu(data32);
112 if (block_len + 8 > len) {
113 dev_err(codec->dev, "%zd byte block longer than file\n",
114 block_len);
115 goto err;
116 }
117 if (block_len == 0) {
118 dev_err(codec->dev, "Zero length block\n");
119 goto err;
120 }
121
122 memcpy(&data32, data, sizeof(data32));
123 data32 = be32_to_cpu(data32);
124
125 switch ((data32 >> 24) & 0xff) {
126 case WM_FW_BLOCK_INFO:
127 /* Informational text */
128 if (!check)
129 break;
130
131 str = kzalloc(block_len + 1, GFP_KERNEL);
132 if (str) {
133 memcpy(str, data + 8, block_len);
134 dev_info(codec->dev, "%s: %s\n", name, str);
135 kfree(str);
136 } else {
137 dev_err(codec->dev, "Out of memory\n");
138 }
139 break;
140 case WM_FW_BLOCK_PM:
141 case WM_FW_BLOCK_X:
142 case WM_FW_BLOCK_Y:
143 case WM_FW_BLOCK_Z:
144 case WM_FW_BLOCK_I:
145 case WM_FW_BLOCK_A:
146 case WM_FW_BLOCK_C:
147 dev_dbg(codec->dev, "%s: %zd bytes of %x@%x\n", name,
148 block_len, (data32 >> 24) & 0xff,
149 data32 & 0xffffff);
150
151 if (check)
152 break;
153
154 data32 &= 0xffffff;
155
156 wm8994_bulk_write(wm8994->wm8994,
157 data32 & 0xffffff,
158 block_len / 2,
159 (void *)(data + 8));
160
161 break;
162 default:
163 dev_warn(codec->dev, "%s: unknown block type %d\n",
164 name, (data32 >> 24) & 0xff);
165 break;
166 }
167
168 /* Round up to the next 32 bit word */
169 block_len += block_len % 4;
170
171 data += block_len + 8;
172 len -= block_len + 8;
173 }
174
175 if (!check) {
176 dev_dbg(codec->dev, "%s: download done\n", name);
177 wm8994->cur_fw = fw;
178 } else {
179 dev_info(codec->dev, "%s: got firmware\n", name);
180 }
181
182 goto ok;
183
184 err:
185 ret = -EINVAL;
186 ok:
187 if (!check) {
188 snd_soc_write(codec, 0x900, 0x0);
189 snd_soc_write(codec, 0x102, 0x0);
190 }
191
192 return ret;
193 }
194
195 static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
196 {
197 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
198 struct wm8994 *control = wm8994->wm8994;
199 int i;
200
201 /* If the DSP is already running then noop */
202 if (snd_soc_read(codec, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA)
203 return;
204
205 /* If we have MBC firmware download it */
206 if (wm8994->mbc)
207 wm8958_dsp2_fw(codec, "MBC", wm8994->mbc, false);
208
209 snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
210 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
211
212 /* If we've got user supplied MBC settings use them */
213 if (control->pdata.num_mbc_cfgs) {
214 struct wm8958_mbc_cfg *cfg
215 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
216
217 for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
218 snd_soc_write(codec, i + WM8958_MBC_BAND_1_K_1,
219 cfg->coeff_regs[i]);
220
221 for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++)
222 snd_soc_write(codec,
223 i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
224 cfg->cutoff_regs[i]);
225 }
226
227 /* Run the DSP */
228 snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
229 WM8958_DSP2_RUNR);
230
231 /* And we're off! */
232 snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
233 WM8958_MBC_ENA |
234 WM8958_MBC_SEL_MASK,
235 path << WM8958_MBC_SEL_SHIFT |
236 WM8958_MBC_ENA);
237 }
238
239 static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
240 {
241 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
242 struct wm8994 *control = wm8994->wm8994;
243 int i, ena;
244
245 if (wm8994->mbc_vss)
246 wm8958_dsp2_fw(codec, "MBC+VSS", wm8994->mbc_vss, false);
247
248 snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
249 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
250
251 /* If we've got user supplied settings use them */
252 if (control->pdata.num_mbc_cfgs) {
253 struct wm8958_mbc_cfg *cfg
254 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
255
256 for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
257 snd_soc_write(codec, i + 0x2800,
258 cfg->combined_regs[i]);
259 }
260
261 if (control->pdata.num_vss_cfgs) {
262 struct wm8958_vss_cfg *cfg
263 = &control->pdata.vss_cfgs[wm8994->vss_cfg];
264
265 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
266 snd_soc_write(codec, i + 0x2600, cfg->regs[i]);
267 }
268
269 if (control->pdata.num_vss_hpf_cfgs) {
270 struct wm8958_vss_hpf_cfg *cfg
271 = &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg];
272
273 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
274 snd_soc_write(codec, i + 0x2400, cfg->regs[i]);
275 }
276
277 /* Run the DSP */
278 snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
279 WM8958_DSP2_RUNR);
280
281 /* Enable the algorithms we've selected */
282 ena = 0;
283 if (wm8994->mbc_ena[path])
284 ena |= 0x8;
285 if (wm8994->hpf2_ena[path])
286 ena |= 0x4;
287 if (wm8994->hpf1_ena[path])
288 ena |= 0x2;
289 if (wm8994->vss_ena[path])
290 ena |= 0x1;
291
292 snd_soc_write(codec, 0x2201, ena);
293
294 /* Switch the DSP into the data path */
295 snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
296 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
297 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
298 }
299
300 static void wm8958_dsp_start_enh_eq(struct snd_soc_codec *codec, int path)
301 {
302 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
303 struct wm8994 *control = wm8994->wm8994;
304 int i;
305
306 wm8958_dsp2_fw(codec, "ENH_EQ", wm8994->enh_eq, false);
307
308 snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
309 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
310
311 /* If we've got user supplied settings use them */
312 if (control->pdata.num_enh_eq_cfgs) {
313 struct wm8958_enh_eq_cfg *cfg
314 = &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg];
315
316 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
317 snd_soc_write(codec, i + 0x2200,
318 cfg->regs[i]);
319 }
320
321 /* Run the DSP */
322 snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
323 WM8958_DSP2_RUNR);
324
325 /* Switch the DSP into the data path */
326 snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
327 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
328 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
329 }
330
331 static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start)
332 {
333 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
334 int pwr_reg = snd_soc_read(codec, WM8994_POWER_MANAGEMENT_5);
335 int ena, reg, aif;
336
337 switch (path) {
338 case 0:
339 pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA);
340 aif = 0;
341 break;
342 case 1:
343 pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
344 aif = 0;
345 break;
346 case 2:
347 pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA);
348 aif = 1;
349 break;
350 default:
351 WARN(1, "Invalid path %d\n", path);
352 return;
353 }
354
355 /* Do we have both an active AIF and an active algorithm? */
356 ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
357 wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
358 wm8994->enh_eq_ena[path];
359 if (!pwr_reg)
360 ena = 0;
361
362 reg = snd_soc_read(codec, WM8958_DSP2_PROGRAM);
363
364 dev_dbg(codec->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n",
365 path, wm8994->dsp_active, start, pwr_reg, reg);
366
367 if (start && ena) {
368 /* If the DSP is already running then noop */
369 if (reg & WM8958_DSP2_ENA)
370 return;
371
372 /* If either AIFnCLK is not yet enabled postpone */
373 if (!(snd_soc_read(codec, WM8994_AIF1_CLOCKING_1)
374 & WM8994_AIF1CLK_ENA_MASK) &&
375 !(snd_soc_read(codec, WM8994_AIF2_CLOCKING_1)
376 & WM8994_AIF2CLK_ENA_MASK))
377 return;
378
379 /* Switch the clock over to the appropriate AIF */
380 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
381 WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA,
382 aif << WM8958_DSP2CLK_SRC_SHIFT |
383 WM8958_DSP2CLK_ENA);
384
385 if (wm8994->enh_eq_ena[path])
386 wm8958_dsp_start_enh_eq(codec, path);
387 else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
388 wm8994->hpf2_ena[path])
389 wm8958_dsp_start_vss(codec, path);
390 else if (wm8994->mbc_ena[path])
391 wm8958_dsp_start_mbc(codec, path);
392
393 wm8994->dsp_active = path;
394
395 dev_dbg(codec->dev, "DSP running in path %d\n", path);
396 }
397
398 if (!start && wm8994->dsp_active == path) {
399 /* If the DSP is already stopped then noop */
400 if (!(reg & WM8958_DSP2_ENA))
401 return;
402
403 snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
404 WM8958_MBC_ENA, 0);
405 snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
406 WM8958_DSP2_STOP);
407 snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
408 WM8958_DSP2_ENA, 0);
409 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
410 WM8958_DSP2CLK_ENA, 0);
411
412 wm8994->dsp_active = -1;
413
414 dev_dbg(codec->dev, "DSP stopped\n");
415 }
416 }
417
418 int wm8958_aif_ev(struct snd_soc_dapm_widget *w,
419 struct snd_kcontrol *kcontrol, int event)
420 {
421 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
422 int i;
423
424 switch (event) {
425 case SND_SOC_DAPM_POST_PMU:
426 case SND_SOC_DAPM_PRE_PMU:
427 for (i = 0; i < 3; i++)
428 wm8958_dsp_apply(codec, i, 1);
429 break;
430 case SND_SOC_DAPM_POST_PMD:
431 case SND_SOC_DAPM_PRE_PMD:
432 for (i = 0; i < 3; i++)
433 wm8958_dsp_apply(codec, i, 0);
434 break;
435 }
436
437 return 0;
438 }
439
440 /* Check if DSP2 is in use on another AIF */
441 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
442 {
443 int i;
444
445 for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
446 if (i == aif)
447 continue;
448 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
449 wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
450 return 1;
451 }
452
453 return 0;
454 }
455
456 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
457 struct snd_ctl_elem_value *ucontrol)
458 {
459 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
460 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
461 struct wm8994 *control = wm8994->wm8994;
462 int value = ucontrol->value.enumerated.item[0];
463 int reg;
464
465 /* Don't allow on the fly reconfiguration */
466 reg = snd_soc_read(codec, WM8994_CLOCKING_1);
467 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
468 return -EBUSY;
469
470 if (value >= control->pdata.num_mbc_cfgs)
471 return -EINVAL;
472
473 wm8994->mbc_cfg = value;
474
475 return 0;
476 }
477
478 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
479 struct snd_ctl_elem_value *ucontrol)
480 {
481 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
482 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
483
484 ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
485
486 return 0;
487 }
488
489 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
490 struct snd_ctl_elem_info *uinfo)
491 {
492 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
493 uinfo->count = 1;
494 uinfo->value.integer.min = 0;
495 uinfo->value.integer.max = 1;
496 return 0;
497 }
498
499 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
500 struct snd_ctl_elem_value *ucontrol)
501 {
502 int mbc = kcontrol->private_value;
503 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
504 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
505
506 ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
507
508 return 0;
509 }
510
511 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
512 struct snd_ctl_elem_value *ucontrol)
513 {
514 int mbc = kcontrol->private_value;
515 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
516 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
517
518 if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
519 return 0;
520
521 if (ucontrol->value.integer.value[0] > 1)
522 return -EINVAL;
523
524 if (wm8958_dsp2_busy(wm8994, mbc)) {
525 dev_dbg(codec->dev, "DSP2 active on %d already\n", mbc);
526 return -EBUSY;
527 }
528
529 if (wm8994->enh_eq_ena[mbc])
530 return -EBUSY;
531
532 wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
533
534 wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);
535
536 return 0;
537 }
538
539 #define WM8958_MBC_SWITCH(xname, xval) {\
540 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
541 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
542 .info = wm8958_mbc_info, \
543 .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
544 .private_value = xval }
545
546 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
547 struct snd_ctl_elem_value *ucontrol)
548 {
549 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
550 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
551 struct wm8994 *control = wm8994->wm8994;
552 int value = ucontrol->value.enumerated.item[0];
553 int reg;
554
555 /* Don't allow on the fly reconfiguration */
556 reg = snd_soc_read(codec, WM8994_CLOCKING_1);
557 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
558 return -EBUSY;
559
560 if (value >= control->pdata.num_vss_cfgs)
561 return -EINVAL;
562
563 wm8994->vss_cfg = value;
564
565 return 0;
566 }
567
568 static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
569 struct snd_ctl_elem_value *ucontrol)
570 {
571 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
572 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
573
574 ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
575
576 return 0;
577 }
578
579 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
580 struct snd_ctl_elem_value *ucontrol)
581 {
582 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
583 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
584 struct wm8994 *control = wm8994->wm8994;
585 int value = ucontrol->value.enumerated.item[0];
586 int reg;
587
588 /* Don't allow on the fly reconfiguration */
589 reg = snd_soc_read(codec, WM8994_CLOCKING_1);
590 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
591 return -EBUSY;
592
593 if (value >= control->pdata.num_vss_hpf_cfgs)
594 return -EINVAL;
595
596 wm8994->vss_hpf_cfg = value;
597
598 return 0;
599 }
600
601 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
602 struct snd_ctl_elem_value *ucontrol)
603 {
604 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
605 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
606
607 ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
608
609 return 0;
610 }
611
612 static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
613 struct snd_ctl_elem_info *uinfo)
614 {
615 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
616 uinfo->count = 1;
617 uinfo->value.integer.min = 0;
618 uinfo->value.integer.max = 1;
619 return 0;
620 }
621
622 static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
623 struct snd_ctl_elem_value *ucontrol)
624 {
625 int vss = kcontrol->private_value;
626 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
627 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
628
629 ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
630
631 return 0;
632 }
633
634 static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
635 struct snd_ctl_elem_value *ucontrol)
636 {
637 int vss = kcontrol->private_value;
638 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
639 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
640
641 if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
642 return 0;
643
644 if (ucontrol->value.integer.value[0] > 1)
645 return -EINVAL;
646
647 if (!wm8994->mbc_vss)
648 return -ENODEV;
649
650 if (wm8958_dsp2_busy(wm8994, vss)) {
651 dev_dbg(codec->dev, "DSP2 active on %d already\n", vss);
652 return -EBUSY;
653 }
654
655 if (wm8994->enh_eq_ena[vss])
656 return -EBUSY;
657
658 wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
659
660 wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);
661
662 return 0;
663 }
664
665
666 #define WM8958_VSS_SWITCH(xname, xval) {\
667 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
668 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
669 .info = wm8958_vss_info, \
670 .get = wm8958_vss_get, .put = wm8958_vss_put, \
671 .private_value = xval }
672
673 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
674 struct snd_ctl_elem_info *uinfo)
675 {
676 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
677 uinfo->count = 1;
678 uinfo->value.integer.min = 0;
679 uinfo->value.integer.max = 1;
680 return 0;
681 }
682
683 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
684 struct snd_ctl_elem_value *ucontrol)
685 {
686 int hpf = kcontrol->private_value;
687 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
688 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
689
690 if (hpf < 3)
691 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
692 else
693 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
694
695 return 0;
696 }
697
698 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
699 struct snd_ctl_elem_value *ucontrol)
700 {
701 int hpf = kcontrol->private_value;
702 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
703 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
704
705 if (hpf < 3) {
706 if (wm8994->hpf1_ena[hpf % 3] ==
707 ucontrol->value.integer.value[0])
708 return 0;
709 } else {
710 if (wm8994->hpf2_ena[hpf % 3] ==
711 ucontrol->value.integer.value[0])
712 return 0;
713 }
714
715 if (ucontrol->value.integer.value[0] > 1)
716 return -EINVAL;
717
718 if (!wm8994->mbc_vss)
719 return -ENODEV;
720
721 if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
722 dev_dbg(codec->dev, "DSP2 active on %d already\n", hpf);
723 return -EBUSY;
724 }
725
726 if (wm8994->enh_eq_ena[hpf % 3])
727 return -EBUSY;
728
729 if (hpf < 3)
730 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
731 else
732 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
733
734 wm8958_dsp_apply(codec, hpf % 3, ucontrol->value.integer.value[0]);
735
736 return 0;
737 }
738
739 #define WM8958_HPF_SWITCH(xname, xval) {\
740 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
741 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
742 .info = wm8958_hpf_info, \
743 .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
744 .private_value = xval }
745
746 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
747 struct snd_ctl_elem_value *ucontrol)
748 {
749 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
750 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
751 struct wm8994 *control = wm8994->wm8994;
752 int value = ucontrol->value.enumerated.item[0];
753 int reg;
754
755 /* Don't allow on the fly reconfiguration */
756 reg = snd_soc_read(codec, WM8994_CLOCKING_1);
757 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
758 return -EBUSY;
759
760 if (value >= control->pdata.num_enh_eq_cfgs)
761 return -EINVAL;
762
763 wm8994->enh_eq_cfg = value;
764
765 return 0;
766 }
767
768 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
769 struct snd_ctl_elem_value *ucontrol)
770 {
771 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
772 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
773
774 ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
775
776 return 0;
777 }
778
779 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
780 struct snd_ctl_elem_info *uinfo)
781 {
782 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
783 uinfo->count = 1;
784 uinfo->value.integer.min = 0;
785 uinfo->value.integer.max = 1;
786 return 0;
787 }
788
789 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
790 struct snd_ctl_elem_value *ucontrol)
791 {
792 int eq = kcontrol->private_value;
793 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
794 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
795
796 ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
797
798 return 0;
799 }
800
801 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
802 struct snd_ctl_elem_value *ucontrol)
803 {
804 int eq = kcontrol->private_value;
805 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
806 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
807
808 if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
809 return 0;
810
811 if (ucontrol->value.integer.value[0] > 1)
812 return -EINVAL;
813
814 if (!wm8994->enh_eq)
815 return -ENODEV;
816
817 if (wm8958_dsp2_busy(wm8994, eq)) {
818 dev_dbg(codec->dev, "DSP2 active on %d already\n", eq);
819 return -EBUSY;
820 }
821
822 if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
823 wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
824 return -EBUSY;
825
826 wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
827
828 wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);
829
830 return 0;
831 }
832
833 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
834 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
835 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
836 .info = wm8958_enh_eq_info, \
837 .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
838 .private_value = xval }
839
840 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
841 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
842 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
843 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
844 };
845
846 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
847 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
848 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
849 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
850 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
851 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
852 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
853 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
854 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
855 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
856 };
857
858 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
859 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
860 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
861 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
862 };
863
864 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
865 {
866 struct snd_soc_codec *codec = context;
867 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
868
869 if (fw && (wm8958_dsp2_fw(codec, "ENH_EQ", fw, true) == 0)) {
870 mutex_lock(&wm8994->fw_lock);
871 wm8994->enh_eq = fw;
872 mutex_unlock(&wm8994->fw_lock);
873 }
874 }
875
876 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
877 {
878 struct snd_soc_codec *codec = context;
879 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
880
881 if (fw && (wm8958_dsp2_fw(codec, "MBC+VSS", fw, true) == 0)) {
882 mutex_lock(&wm8994->fw_lock);
883 wm8994->mbc_vss = fw;
884 mutex_unlock(&wm8994->fw_lock);
885 }
886 }
887
888 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
889 {
890 struct snd_soc_codec *codec = context;
891 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
892
893 if (fw && (wm8958_dsp2_fw(codec, "MBC", fw, true) == 0)) {
894 mutex_lock(&wm8994->fw_lock);
895 wm8994->mbc = fw;
896 mutex_unlock(&wm8994->fw_lock);
897 }
898 }
899
900 void wm8958_dsp2_init(struct snd_soc_codec *codec)
901 {
902 struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
903 struct wm8994 *control = wm8994->wm8994;
904 struct wm8994_pdata *pdata = &control->pdata;
905 int ret, i;
906
907 wm8994->dsp_active = -1;
908
909 snd_soc_add_codec_controls(codec, wm8958_mbc_snd_controls,
910 ARRAY_SIZE(wm8958_mbc_snd_controls));
911 snd_soc_add_codec_controls(codec, wm8958_vss_snd_controls,
912 ARRAY_SIZE(wm8958_vss_snd_controls));
913 snd_soc_add_codec_controls(codec, wm8958_enh_eq_snd_controls,
914 ARRAY_SIZE(wm8958_enh_eq_snd_controls));
915
916
917 /* We don't *require* firmware and don't want to delay boot */
918 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
919 "wm8958_mbc.wfw", codec->dev, GFP_KERNEL,
920 codec, wm8958_mbc_loaded);
921 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
922 "wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL,
923 codec, wm8958_mbc_vss_loaded);
924 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
925 "wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
926 codec, wm8958_enh_eq_loaded);
927
928 if (pdata->num_mbc_cfgs) {
929 struct snd_kcontrol_new control[] = {
930 SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
931 wm8958_get_mbc_enum, wm8958_put_mbc_enum),
932 };
933
934 /* We need an array of texts for the enum API */
935 wm8994->mbc_texts = kmalloc(sizeof(char *)
936 * pdata->num_mbc_cfgs, GFP_KERNEL);
937 if (!wm8994->mbc_texts)
938 return;
939
940 for (i = 0; i < pdata->num_mbc_cfgs; i++)
941 wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
942
943 wm8994->mbc_enum.items = pdata->num_mbc_cfgs;
944 wm8994->mbc_enum.texts = wm8994->mbc_texts;
945
946 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
947 control, 1);
948 if (ret != 0)
949 dev_err(wm8994->hubs.codec->dev,
950 "Failed to add MBC mode controls: %d\n", ret);
951 }
952
953 if (pdata->num_vss_cfgs) {
954 struct snd_kcontrol_new control[] = {
955 SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
956 wm8958_get_vss_enum, wm8958_put_vss_enum),
957 };
958
959 /* We need an array of texts for the enum API */
960 wm8994->vss_texts = kmalloc(sizeof(char *)
961 * pdata->num_vss_cfgs, GFP_KERNEL);
962 if (!wm8994->vss_texts)
963 return;
964
965 for (i = 0; i < pdata->num_vss_cfgs; i++)
966 wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
967
968 wm8994->vss_enum.items = pdata->num_vss_cfgs;
969 wm8994->vss_enum.texts = wm8994->vss_texts;
970
971 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
972 control, 1);
973 if (ret != 0)
974 dev_err(wm8994->hubs.codec->dev,
975 "Failed to add VSS mode controls: %d\n", ret);
976 }
977
978 if (pdata->num_vss_hpf_cfgs) {
979 struct snd_kcontrol_new control[] = {
980 SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
981 wm8958_get_vss_hpf_enum,
982 wm8958_put_vss_hpf_enum),
983 };
984
985 /* We need an array of texts for the enum API */
986 wm8994->vss_hpf_texts = kmalloc(sizeof(char *)
987 * pdata->num_vss_hpf_cfgs, GFP_KERNEL);
988 if (!wm8994->vss_hpf_texts)
989 return;
990
991 for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
992 wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;
993
994 wm8994->vss_hpf_enum.items = pdata->num_vss_hpf_cfgs;
995 wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;
996
997 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
998 control, 1);
999 if (ret != 0)
1000 dev_err(wm8994->hubs.codec->dev,
1001 "Failed to add VSS HPFmode controls: %d\n",
1002 ret);
1003 }
1004
1005 if (pdata->num_enh_eq_cfgs) {
1006 struct snd_kcontrol_new control[] = {
1007 SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
1008 wm8958_get_enh_eq_enum,
1009 wm8958_put_enh_eq_enum),
1010 };
1011
1012 /* We need an array of texts for the enum API */
1013 wm8994->enh_eq_texts = kmalloc(sizeof(char *)
1014 * pdata->num_enh_eq_cfgs, GFP_KERNEL);
1015 if (!wm8994->enh_eq_texts)
1016 return;
1017
1018 for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
1019 wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
1020
1021 wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs;
1022 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
1023
1024 ret = snd_soc_add_codec_controls(wm8994->hubs.codec,
1025 control, 1);
1026 if (ret != 0)
1027 dev_err(wm8994->hubs.codec->dev,
1028 "Failed to add enhanced EQ controls: %d\n",
1029 ret);
1030 }
1031 }
Linux with added FPC-III support