ASoC: WM8958: correctly show firmware magic on mismatch
[linux-3.10.git] / sound / soc / codecs / wm8958-dsp2.c
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\n", name);
59                 goto err;
60         }
61
62         if (memcmp(fw->data, "WMFW", 4) != 0) {
63                 memcpy(&data32, fw->data, sizeof(data32));
64                 data32 = be32_to_cpu(data32);
65                 dev_err(codec->dev, "%s: firmware has bad file magic %08x\n",
66                         name, data32);
67                 goto err;
68         }
69
70         memcpy(&data32, fw->data + 4, sizeof(data32));
71         len = be32_to_cpu(data32);
72
73         memcpy(&data32, fw->data + 8, sizeof(data32));
74         data32 = be32_to_cpu(data32);
75         if ((data32 >> 24) & 0xff) {
76                 dev_err(codec->dev, "%s: unsupported firmware version %d\n",
77                         name, (data32 >> 24) & 0xff);
78                 goto err;
79         }
80         if ((data32 & 0xffff) != 8958) {
81                 dev_err(codec->dev, "%s: unsupported target device %d\n",
82                         name, data32 & 0xffff);
83                 goto err;
84         }
85         if (((data32 >> 16) & 0xff) != 0xc) {
86                 dev_err(codec->dev, "%s: unsupported target core %d\n",
87                         name, (data32 >> 16) & 0xff);
88                 goto err;
89         }
90
91         if (check) {
92                 memcpy(&data64, fw->data + 24, sizeof(u64));
93                 dev_info(codec->dev, "%s timestamp %llx\n",
94                          name, be64_to_cpu(data64));
95         } else {
96                 snd_soc_write(codec, 0x102, 0x2);
97                 snd_soc_write(codec, 0x900, 0x2);
98         }
99
100         data = fw->data + len;
101         len = fw->size - len;
102         while (len) {
103                 if (len < 12) {
104                         dev_err(codec->dev, "%s short data block of %zd\n",
105                                 name, len);
106                         goto err;
107                 }
108
109                 memcpy(&data32, data + 4, sizeof(data32));
110                 block_len = be32_to_cpu(data32);
111                 if (block_len + 8 > len) {
112                         dev_err(codec->dev, "%zd byte block longer than file\n",
113                                 block_len);
114                         goto err;
115                 }
116                 if (block_len == 0) {
117                         dev_err(codec->dev, "Zero length block\n");
118                         goto err;
119                 }
120
121                 memcpy(&data32, data, sizeof(data32));
122                 data32 = be32_to_cpu(data32);
123
124                 switch ((data32 >> 24) & 0xff) {
125                 case WM_FW_BLOCK_INFO:
126                         /* Informational text */
127                         if (!check)
128                                 break;
129
130                         str = kzalloc(block_len + 1, GFP_KERNEL);
131                         if (str) {
132                                 memcpy(str, data + 8, block_len);
133                                 dev_info(codec->dev, "%s: %s\n", name, str);
134                                 kfree(str);
135                         } else {
136                                 dev_err(codec->dev, "Out of memory\n");
137                         }
138                         break;
139                 case WM_FW_BLOCK_PM:
140                 case WM_FW_BLOCK_X:
141                 case WM_FW_BLOCK_Y:
142                 case WM_FW_BLOCK_Z:
143                 case WM_FW_BLOCK_I:
144                 case WM_FW_BLOCK_A:
145                 case WM_FW_BLOCK_C:
146                         dev_dbg(codec->dev, "%s: %zd bytes of %x@%x\n", name,
147                                 block_len, (data32 >> 24) & 0xff,
148                                 data32 & 0xffffff);
149
150                         if (check)
151                                 break;
152
153                         data32 &= 0xffffff;
154
155                         wm8994_bulk_write(codec->control_data,
156                                           data32 & 0xffffff,
157                                           block_len / 2,
158                                           (void *)(data + 8));
159
160                         break;
161                 default:
162                         dev_warn(codec->dev, "%s: unknown block type %d\n",
163                                  name, (data32 >> 24) & 0xff);
164                         break;
165                 }
166
167                 /* Round up to the next 32 bit word */
168                 block_len += block_len % 4;
169
170                 data += block_len + 8;
171                 len -= block_len + 8;
172         }
173
174         if (!check) {
175                 dev_dbg(codec->dev, "%s: download done\n", name);
176                 wm8994->cur_fw = fw;
177         } else {
178                 dev_info(codec->dev, "%s: got firmware\n", name);
179         }
180
181         goto ok;
182
183 err:
184         ret = -EINVAL;
185 ok:
186         if (!check) {
187                 snd_soc_write(codec, 0x900, 0x0);
188                 snd_soc_write(codec, 0x102, 0x0);
189         }
190
191         return ret;
192 }
193
194 static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
195 {
196         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
197         struct wm8994_pdata *pdata = wm8994->pdata;
198         int i;
199
200         /* If the DSP is already running then noop */
201         if (snd_soc_read(codec, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA)
202                 return;
203
204         /* If we have MBC firmware download it */
205         if (wm8994->mbc)
206                 wm8958_dsp2_fw(codec, "MBC", wm8994->mbc, false);
207
208         snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
209                             WM8958_DSP2_ENA, WM8958_DSP2_ENA);
210
211         /* If we've got user supplied MBC settings use them */
212         if (pdata && pdata->num_mbc_cfgs) {
213                 struct wm8958_mbc_cfg *cfg
214                         = &pdata->mbc_cfgs[wm8994->mbc_cfg];
215
216                 for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
217                         snd_soc_write(codec, i + WM8958_MBC_BAND_1_K_1,
218                                       cfg->coeff_regs[i]);
219
220                 for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++)
221                         snd_soc_write(codec,
222                                       i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
223                                       cfg->cutoff_regs[i]);
224         }
225
226         /* Run the DSP */
227         snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
228                       WM8958_DSP2_RUNR);
229
230         /* And we're off! */
231         snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
232                             WM8958_MBC_ENA |
233                             WM8958_MBC_SEL_MASK,
234                             path << WM8958_MBC_SEL_SHIFT |
235                             WM8958_MBC_ENA);
236 }
237
238 static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
239 {
240         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
241         struct wm8994_pdata *pdata = wm8994->pdata;
242         int i, ena;
243
244         if (wm8994->mbc_vss)
245                 wm8958_dsp2_fw(codec, "MBC+VSS", wm8994->mbc_vss, false);
246
247         snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
248                             WM8958_DSP2_ENA, WM8958_DSP2_ENA);
249
250         /* If we've got user supplied settings use them */
251         if (pdata && pdata->num_mbc_cfgs) {
252                 struct wm8958_mbc_cfg *cfg
253                         = &pdata->mbc_cfgs[wm8994->mbc_cfg];
254
255                 for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
256                         snd_soc_write(codec, i + 0x2800,
257                                       cfg->combined_regs[i]);
258         }
259
260         if (pdata && pdata->num_vss_cfgs) {
261                 struct wm8958_vss_cfg *cfg
262                         = &pdata->vss_cfgs[wm8994->vss_cfg];
263
264                 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
265                         snd_soc_write(codec, i + 0x2600, cfg->regs[i]);
266         }
267
268         if (pdata && pdata->num_vss_hpf_cfgs) {
269                 struct wm8958_vss_hpf_cfg *cfg
270                         = &pdata->vss_hpf_cfgs[wm8994->vss_hpf_cfg];
271
272                 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
273                         snd_soc_write(codec, i + 0x2400, cfg->regs[i]);
274         }
275
276         /* Run the DSP */
277         snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
278                       WM8958_DSP2_RUNR);
279
280         /* Enable the algorithms we've selected */
281         ena = 0;
282         if (wm8994->mbc_ena[path])
283                 ena |= 0x8;
284         if (wm8994->hpf2_ena[path])
285                 ena |= 0x4;
286         if (wm8994->hpf1_ena[path])
287                 ena |= 0x2;
288         if (wm8994->vss_ena[path])
289                 ena |= 0x1;
290
291         snd_soc_write(codec, 0x2201, ena);
292
293         /* Switch the DSP into the data path */
294         snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
295                             WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
296                             path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
297 }
298
299 static void wm8958_dsp_start_enh_eq(struct snd_soc_codec *codec, int path)
300 {
301         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
302         struct wm8994_pdata *pdata = wm8994->pdata;
303         int i;
304
305         wm8958_dsp2_fw(codec, "ENH_EQ", wm8994->enh_eq, false);
306
307         snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
308                             WM8958_DSP2_ENA, WM8958_DSP2_ENA);
309
310         /* If we've got user supplied settings use them */
311         if (pdata && pdata->num_enh_eq_cfgs) {
312                 struct wm8958_enh_eq_cfg *cfg
313                         = &pdata->enh_eq_cfgs[wm8994->enh_eq_cfg];
314
315                 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
316                         snd_soc_write(codec, i + 0x2200,
317                                       cfg->regs[i]);
318         }
319
320         /* Run the DSP */
321         snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
322                       WM8958_DSP2_RUNR);
323
324         /* Switch the DSP into the data path */
325         snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
326                             WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
327                             path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
328 }
329
330 static void wm8958_dsp_apply(struct snd_soc_codec *codec, int path, int start)
331 {
332         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
333         int pwr_reg = snd_soc_read(codec, WM8994_POWER_MANAGEMENT_5);
334         int ena, reg, aif;
335
336         switch (path) {
337         case 0:
338                 pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA);
339                 aif = 0;
340                 break;
341         case 1:
342                 pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
343                 aif = 0;
344                 break;
345         case 2:
346                 pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA);
347                 aif = 1;
348                 break;
349         default:
350                 BUG();
351                 return;
352         }
353
354         /* Do we have both an active AIF and an active algorithm? */
355         ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
356                 wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
357                 wm8994->enh_eq_ena[path];
358         if (!pwr_reg)
359                 ena = 0;
360
361         reg = snd_soc_read(codec, WM8958_DSP2_PROGRAM);
362
363         dev_dbg(codec->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n",
364                 path, wm8994->dsp_active, start, pwr_reg, reg);
365
366         if (start && ena) {
367                 /* If the DSP is already running then noop */
368                 if (reg & WM8958_DSP2_ENA)
369                         return;
370
371                 /* If either AIFnCLK is not yet enabled postpone */
372                 if (!(snd_soc_read(codec, WM8994_AIF1_CLOCKING_1)
373                       & WM8994_AIF1CLK_ENA_MASK) &&
374                     !(snd_soc_read(codec, WM8994_AIF2_CLOCKING_1)
375                       & WM8994_AIF2CLK_ENA_MASK))
376                         return;
377
378                 /* Switch the clock over to the appropriate AIF */
379                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
380                                     WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA,
381                                     aif << WM8958_DSP2CLK_SRC_SHIFT |
382                                     WM8958_DSP2CLK_ENA);
383
384                 if (wm8994->enh_eq_ena[path])
385                         wm8958_dsp_start_enh_eq(codec, path);
386                 else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
387                     wm8994->hpf2_ena[path])
388                         wm8958_dsp_start_vss(codec, path);
389                 else if (wm8994->mbc_ena[path])
390                         wm8958_dsp_start_mbc(codec, path);
391
392                 wm8994->dsp_active = path;
393
394                 dev_dbg(codec->dev, "DSP running in path %d\n", path);
395         }
396
397         if (!start && wm8994->dsp_active == path) {
398                 /* If the DSP is already stopped then noop */
399                 if (!(reg & WM8958_DSP2_ENA))
400                         return;
401
402                 snd_soc_update_bits(codec, WM8958_DSP2_CONFIG,
403                                     WM8958_MBC_ENA, 0); 
404                 snd_soc_write(codec, WM8958_DSP2_EXECCONTROL,
405                               WM8958_DSP2_STOP);
406                 snd_soc_update_bits(codec, WM8958_DSP2_PROGRAM,
407                                     WM8958_DSP2_ENA, 0);
408                 snd_soc_update_bits(codec, WM8994_CLOCKING_1,
409                                     WM8958_DSP2CLK_ENA, 0);
410
411                 wm8994->dsp_active = -1;
412
413                 dev_dbg(codec->dev, "DSP stopped\n");
414         }
415 }
416
417 int wm8958_aif_ev(struct snd_soc_dapm_widget *w,
418                   struct snd_kcontrol *kcontrol, int event)
419 {
420         struct snd_soc_codec *codec = w->codec;
421         int i;
422
423         switch (event) {
424         case SND_SOC_DAPM_POST_PMU:
425         case SND_SOC_DAPM_PRE_PMU:
426                 for (i = 0; i < 3; i++)
427                         wm8958_dsp_apply(codec, i, 1);
428                 break;
429         case SND_SOC_DAPM_POST_PMD:
430         case SND_SOC_DAPM_PRE_PMD:
431                 for (i = 0; i < 3; i++)
432                         wm8958_dsp_apply(codec, i, 0);
433                 break;
434         }
435
436         return 0;
437 }
438
439 /* Check if DSP2 is in use on another AIF */
440 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
441 {
442         int i;
443
444         for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
445                 if (i == aif)
446                         continue;
447                 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
448                     wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
449                         return 1;
450         }
451
452         return 0;
453 }
454
455 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
456                                struct snd_ctl_elem_value *ucontrol)
457 {
458         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
459         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
460         struct wm8994_pdata *pdata = wm8994->pdata;
461         int value = ucontrol->value.integer.value[0];
462         int reg;
463
464         /* Don't allow on the fly reconfiguration */
465         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
466         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
467                 return -EBUSY;
468
469         if (value >= pdata->num_mbc_cfgs)
470                 return -EINVAL;
471
472         wm8994->mbc_cfg = value;
473
474         return 0;
475 }
476
477 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
478                                struct snd_ctl_elem_value *ucontrol)
479 {
480         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
481         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
482
483         ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
484
485         return 0;
486 }
487
488 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
489                            struct snd_ctl_elem_info *uinfo)
490 {
491         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
492         uinfo->count = 1;
493         uinfo->value.integer.min = 0;
494         uinfo->value.integer.max = 1;
495         return 0;
496 }
497
498 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
499                           struct snd_ctl_elem_value *ucontrol)
500 {
501         int mbc = kcontrol->private_value;
502         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
503         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
504
505         ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
506
507         return 0;
508 }
509
510 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
511                           struct snd_ctl_elem_value *ucontrol)
512 {
513         int mbc = kcontrol->private_value;
514         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
515         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
516
517         if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
518                 return 0;
519
520         if (ucontrol->value.integer.value[0] > 1)
521                 return -EINVAL;
522
523         if (wm8958_dsp2_busy(wm8994, mbc)) {
524                 dev_dbg(codec->dev, "DSP2 active on %d already\n", mbc);
525                 return -EBUSY;
526         }
527
528         if (wm8994->enh_eq_ena[mbc])
529                 return -EBUSY;
530
531         wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
532
533         wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);
534
535         return 0;
536 }
537
538 #define WM8958_MBC_SWITCH(xname, xval) {\
539         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
540         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
541         .info = wm8958_mbc_info, \
542         .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
543         .private_value = xval }
544
545 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
546                                struct snd_ctl_elem_value *ucontrol)
547 {
548         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
549         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
550         struct wm8994_pdata *pdata = wm8994->pdata;
551         int value = ucontrol->value.integer.value[0];
552         int reg;
553
554         /* Don't allow on the fly reconfiguration */
555         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
556         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
557                 return -EBUSY;
558
559         if (value >= pdata->num_vss_cfgs)
560                 return -EINVAL;
561
562         wm8994->vss_cfg = value;
563
564         return 0;
565 }
566
567 static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
568                                struct snd_ctl_elem_value *ucontrol)
569 {
570         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
571         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
572
573         ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
574
575         return 0;
576 }
577
578 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
579                                    struct snd_ctl_elem_value *ucontrol)
580 {
581         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
582         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
583         struct wm8994_pdata *pdata = wm8994->pdata;
584         int value = ucontrol->value.integer.value[0];
585         int reg;
586
587         /* Don't allow on the fly reconfiguration */
588         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
589         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
590                 return -EBUSY;
591
592         if (value >= pdata->num_vss_hpf_cfgs)
593                 return -EINVAL;
594
595         wm8994->vss_hpf_cfg = value;
596
597         return 0;
598 }
599
600 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
601                                    struct snd_ctl_elem_value *ucontrol)
602 {
603         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
604         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
605
606         ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
607
608         return 0;
609 }
610
611 static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
612                            struct snd_ctl_elem_info *uinfo)
613 {
614         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
615         uinfo->count = 1;
616         uinfo->value.integer.min = 0;
617         uinfo->value.integer.max = 1;
618         return 0;
619 }
620
621 static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
622                           struct snd_ctl_elem_value *ucontrol)
623 {
624         int vss = kcontrol->private_value;
625         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
626         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
627
628         ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
629
630         return 0;
631 }
632
633 static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
634                           struct snd_ctl_elem_value *ucontrol)
635 {
636         int vss = kcontrol->private_value;
637         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
638         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
639
640         if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
641                 return 0;
642
643         if (ucontrol->value.integer.value[0] > 1)
644                 return -EINVAL;
645
646         if (!wm8994->mbc_vss)
647                 return -ENODEV;
648
649         if (wm8958_dsp2_busy(wm8994, vss)) {
650                 dev_dbg(codec->dev, "DSP2 active on %d already\n", vss);
651                 return -EBUSY;
652         }
653
654         if (wm8994->enh_eq_ena[vss])
655                 return -EBUSY;
656
657         wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
658
659         wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);
660
661         return 0;
662 }
663
664
665 #define WM8958_VSS_SWITCH(xname, xval) {\
666         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
667         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
668         .info = wm8958_vss_info, \
669         .get = wm8958_vss_get, .put = wm8958_vss_put, \
670         .private_value = xval }
671
672 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
673                            struct snd_ctl_elem_info *uinfo)
674 {
675         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
676         uinfo->count = 1;
677         uinfo->value.integer.min = 0;
678         uinfo->value.integer.max = 1;
679         return 0;
680 }
681
682 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
683                           struct snd_ctl_elem_value *ucontrol)
684 {
685         int hpf = kcontrol->private_value;
686         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
687         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
688
689         if (hpf < 3)
690                 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
691         else
692                 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
693
694         return 0;
695 }
696
697 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
698                           struct snd_ctl_elem_value *ucontrol)
699 {
700         int hpf = kcontrol->private_value;
701         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
702         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
703
704         if (hpf < 3) {
705                 if (wm8994->hpf1_ena[hpf % 3] ==
706                     ucontrol->value.integer.value[0])
707                         return 0;
708         } else {
709                 if (wm8994->hpf2_ena[hpf % 3] ==
710                     ucontrol->value.integer.value[0])
711                         return 0;
712         }
713
714         if (ucontrol->value.integer.value[0] > 1)
715                 return -EINVAL;
716
717         if (!wm8994->mbc_vss)
718                 return -ENODEV;
719
720         if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
721                 dev_dbg(codec->dev, "DSP2 active on %d already\n", hpf);
722                 return -EBUSY;
723         }
724
725         if (wm8994->enh_eq_ena[hpf % 3])
726                 return -EBUSY;
727
728         if (hpf < 3)
729                 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
730         else
731                 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
732
733         wm8958_dsp_apply(codec, hpf % 3, ucontrol->value.integer.value[0]);
734
735         return 0;
736 }
737
738 #define WM8958_HPF_SWITCH(xname, xval) {\
739         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
740         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
741         .info = wm8958_hpf_info, \
742         .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
743         .private_value = xval }
744
745 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
746                                   struct snd_ctl_elem_value *ucontrol)
747 {
748         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
749         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
750         struct wm8994_pdata *pdata = wm8994->pdata;
751         int value = ucontrol->value.integer.value[0];
752         int reg;
753
754         /* Don't allow on the fly reconfiguration */
755         reg = snd_soc_read(codec, WM8994_CLOCKING_1);
756         if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
757                 return -EBUSY;
758
759         if (value >= pdata->num_enh_eq_cfgs)
760                 return -EINVAL;
761
762         wm8994->enh_eq_cfg = value;
763
764         return 0;
765 }
766
767 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
768                                   struct snd_ctl_elem_value *ucontrol)
769 {
770         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
771         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
772
773         ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
774
775         return 0;
776 }
777
778 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
779                            struct snd_ctl_elem_info *uinfo)
780 {
781         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
782         uinfo->count = 1;
783         uinfo->value.integer.min = 0;
784         uinfo->value.integer.max = 1;
785         return 0;
786 }
787
788 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
789                           struct snd_ctl_elem_value *ucontrol)
790 {
791         int eq = kcontrol->private_value;
792         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
793         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
794
795         ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
796
797         return 0;
798 }
799
800 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
801                           struct snd_ctl_elem_value *ucontrol)
802 {
803         int eq = kcontrol->private_value;
804         struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
805         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
806
807         if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
808                 return 0;
809
810         if (ucontrol->value.integer.value[0] > 1)
811                 return -EINVAL;
812
813         if (!wm8994->enh_eq)
814                 return -ENODEV;
815
816         if (wm8958_dsp2_busy(wm8994, eq)) {
817                 dev_dbg(codec->dev, "DSP2 active on %d already\n", eq);
818                 return -EBUSY;
819         }
820
821         if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
822             wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
823                 return -EBUSY;
824
825         wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
826
827         wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);
828
829         return 0;
830 }
831
832 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
833         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
834         .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
835         .info = wm8958_enh_eq_info, \
836         .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
837         .private_value = xval }
838
839 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
840 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
841 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
842 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
843 };
844
845 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
846 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
847 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
848 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
849 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
850 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
851 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
852 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
853 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
854 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
855 };
856
857 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
858 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
859 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
860 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
861 };
862
863 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
864 {
865         struct snd_soc_codec *codec = context;
866         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
867
868         if (fw && (wm8958_dsp2_fw(codec, "ENH_EQ", fw, true) == 0)) {
869                 mutex_lock(&codec->mutex);
870                 wm8994->enh_eq = fw;
871                 mutex_unlock(&codec->mutex);
872         }
873 }
874
875 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
876 {
877         struct snd_soc_codec *codec = context;
878         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
879
880         if (fw && (wm8958_dsp2_fw(codec, "MBC+VSS", fw, true) == 0)) {
881                 mutex_lock(&codec->mutex);
882                 wm8994->mbc_vss = fw;
883                 mutex_unlock(&codec->mutex);
884         }
885
886         /* We can't have more than one request outstanding at once so
887          * we daisy chain.
888          */
889         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
890                                 "wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
891                                 codec, wm8958_enh_eq_loaded);
892 }
893
894 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
895 {
896         struct snd_soc_codec *codec = context;
897         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
898
899         if (wm8958_dsp2_fw(codec, "MBC", fw, true) != 0)
900                 return;
901
902         mutex_lock(&codec->mutex);
903         wm8994->mbc = fw;
904         mutex_unlock(&codec->mutex);
905
906         /* We can't have more than one request outstanding at once so
907          * we daisy chain.
908          */
909         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
910                                 "wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL,
911                                 codec, wm8958_mbc_vss_loaded);
912 }
913
914 void wm8958_dsp2_init(struct snd_soc_codec *codec)
915 {
916         struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
917         struct wm8994_pdata *pdata = wm8994->pdata;
918         int ret, i;
919
920         wm8994->dsp_active = -1;
921
922         snd_soc_add_controls(codec, wm8958_mbc_snd_controls,
923                              ARRAY_SIZE(wm8958_mbc_snd_controls));
924         snd_soc_add_controls(codec, wm8958_vss_snd_controls,
925                              ARRAY_SIZE(wm8958_vss_snd_controls));
926         snd_soc_add_controls(codec, wm8958_enh_eq_snd_controls,
927                              ARRAY_SIZE(wm8958_enh_eq_snd_controls));
928
929
930         /* We don't *require* firmware and don't want to delay boot */
931         request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
932                                 "wm8958_mbc.wfw", codec->dev, GFP_KERNEL,
933                                 codec, wm8958_mbc_loaded);
934
935         if (!pdata)
936                 return;
937
938         if (pdata->num_mbc_cfgs) {
939                 struct snd_kcontrol_new control[] = {
940                         SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
941                                      wm8958_get_mbc_enum, wm8958_put_mbc_enum),
942                 };
943
944                 /* We need an array of texts for the enum API */
945                 wm8994->mbc_texts = kmalloc(sizeof(char *)
946                                             * pdata->num_mbc_cfgs, GFP_KERNEL);
947                 if (!wm8994->mbc_texts) {
948                         dev_err(wm8994->codec->dev,
949                                 "Failed to allocate %d MBC config texts\n",
950                                 pdata->num_mbc_cfgs);
951                         return;
952                 }
953
954                 for (i = 0; i < pdata->num_mbc_cfgs; i++)
955                         wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
956
957                 wm8994->mbc_enum.max = pdata->num_mbc_cfgs;
958                 wm8994->mbc_enum.texts = wm8994->mbc_texts;
959
960                 ret = snd_soc_add_controls(wm8994->codec, control, 1);
961                 if (ret != 0)
962                         dev_err(wm8994->codec->dev,
963                                 "Failed to add MBC mode controls: %d\n", ret);
964         }
965
966         if (pdata->num_vss_cfgs) {
967                 struct snd_kcontrol_new control[] = {
968                         SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
969                                      wm8958_get_vss_enum, wm8958_put_vss_enum),
970                 };
971
972                 /* We need an array of texts for the enum API */
973                 wm8994->vss_texts = kmalloc(sizeof(char *)
974                                             * pdata->num_vss_cfgs, GFP_KERNEL);
975                 if (!wm8994->vss_texts) {
976                         dev_err(wm8994->codec->dev,
977                                 "Failed to allocate %d VSS config texts\n",
978                                 pdata->num_vss_cfgs);
979                         return;
980                 }
981
982                 for (i = 0; i < pdata->num_vss_cfgs; i++)
983                         wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
984
985                 wm8994->vss_enum.max = pdata->num_vss_cfgs;
986                 wm8994->vss_enum.texts = wm8994->vss_texts;
987
988                 ret = snd_soc_add_controls(wm8994->codec, control, 1);
989                 if (ret != 0)
990                         dev_err(wm8994->codec->dev,
991                                 "Failed to add VSS mode controls: %d\n", ret);
992         }
993
994         if (pdata->num_vss_hpf_cfgs) {
995                 struct snd_kcontrol_new control[] = {
996                         SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
997                                      wm8958_get_vss_hpf_enum,
998                                      wm8958_put_vss_hpf_enum),
999                 };
1000
1001                 /* We need an array of texts for the enum API */
1002                 wm8994->vss_hpf_texts = kmalloc(sizeof(char *)
1003                                                 * pdata->num_vss_hpf_cfgs, GFP_KERNEL);
1004                 if (!wm8994->vss_hpf_texts) {
1005                         dev_err(wm8994->codec->dev,
1006                                 "Failed to allocate %d VSS HPF config texts\n",
1007                                 pdata->num_vss_hpf_cfgs);
1008                         return;
1009                 }
1010
1011                 for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
1012                         wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;
1013
1014                 wm8994->vss_hpf_enum.max = pdata->num_vss_hpf_cfgs;
1015                 wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;
1016
1017                 ret = snd_soc_add_controls(wm8994->codec, control, 1);
1018                 if (ret != 0)
1019                         dev_err(wm8994->codec->dev,
1020                                 "Failed to add VSS HPFmode controls: %d\n",
1021                                 ret);
1022         }
1023
1024         if (pdata->num_enh_eq_cfgs) {
1025                 struct snd_kcontrol_new control[] = {
1026                         SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
1027                                      wm8958_get_enh_eq_enum,
1028                                      wm8958_put_enh_eq_enum),
1029                 };
1030
1031                 /* We need an array of texts for the enum API */
1032                 wm8994->enh_eq_texts = kmalloc(sizeof(char *)
1033                                                 * pdata->num_enh_eq_cfgs, GFP_KERNEL);
1034                 if (!wm8994->enh_eq_texts) {
1035                         dev_err(wm8994->codec->dev,
1036                                 "Failed to allocate %d enhanced EQ config texts\n",
1037                                 pdata->num_enh_eq_cfgs);
1038                         return;
1039                 }
1040
1041                 for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
1042                         wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
1043
1044                 wm8994->enh_eq_enum.max = pdata->num_enh_eq_cfgs;
1045                 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
1046
1047                 ret = snd_soc_add_controls(wm8994->codec, control, 1);
1048                 if (ret != 0)
1049                         dev_err(wm8994->codec->dev,
1050                                 "Failed to add enhanced EQ controls: %d\n",
1051                                 ret);
1052         }
1053 }