1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * wm8958-dsp2.c -- WM8958 DSP2 support
4 *
5 * Copyright 2011 Wolfson Microelectronics plc
6 *
7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8 */
9
10 #include <linux/module.h>
11 #include <linux/moduleparam.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
14 #include <linux/pm.h>
15 #include <linux/i2c.h>
16 #include <linux/platform_device.h>
17 #include <linux/slab.h>
18 #include <sound/soc.h>
19 #include <sound/initval.h>
20 #include <sound/tlv.h>
21 #include <trace/events/asoc.h>
22
23 #include <linux/mfd/wm8994/core.h>
24 #include <linux/mfd/wm8994/registers.h>
25 #include <linux/mfd/wm8994/pdata.h>
26 #include <linux/mfd/wm8994/gpio.h>
27
28 #include <asm/unaligned.h>
29
30 #include "wm8994.h"
31
32 #define WM_FW_BLOCK_INFO 0xff
33 #define WM_FW_BLOCK_PM 0x00
34 #define WM_FW_BLOCK_X 0x01
35 #define WM_FW_BLOCK_Y 0x02
36 #define WM_FW_BLOCK_Z 0x03
37 #define WM_FW_BLOCK_I 0x06
38 #define WM_FW_BLOCK_A 0x08
39 #define WM_FW_BLOCK_C 0x0c
40
41 static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name,
42 const struct firmware *fw, bool check)
43 {
44 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
45 u64 data64;
46 u32 data32;
47 const u8 *data;
48 char *str;
49 size_t block_len, len;
50 int ret = 0;
51
52 /* Suppress unneeded downloads */
53 if (wm8994->cur_fw == fw)
54 return 0;
55
56 if (fw->size < 32) {
57 dev_err(component->dev, "%s: firmware too short (%zd bytes)\n",
58 name, fw->size);
59 goto err;
60 }
61
62 if (memcmp(fw->data, "WMFW", 4) != 0) {
63 data32 = get_unaligned_be32(fw->data);
64 dev_err(component->dev, "%s: firmware has bad file magic %08x\n",
65 name, data32);
66 goto err;
67 }
68
69 len = get_unaligned_be32(fw->data + 4);
70 data32 = get_unaligned_be32(fw->data + 8);
71
72 if ((data32 >> 24) & 0xff) {
73 dev_err(component->dev, "%s: unsupported firmware version %d\n",
74 name, (data32 >> 24) & 0xff);
75 goto err;
76 }
77 if ((data32 & 0xffff) != 8958) {
78 dev_err(component->dev, "%s: unsupported target device %d\n",
79 name, data32 & 0xffff);
80 goto err;
81 }
82 if (((data32 >> 16) & 0xff) != 0xc) {
83 dev_err(component->dev, "%s: unsupported target core %d\n",
84 name, (data32 >> 16) & 0xff);
85 goto err;
86 }
87
88 if (check) {
89 data64 = get_unaligned_be64(fw->data + 24);
90 dev_info(component->dev, "%s timestamp %llx\n", name, data64);
91 } else {
92 snd_soc_component_write(component, 0x102, 0x2);
93 snd_soc_component_write(component, 0x900, 0x2);
94 }
95
96 data = fw->data + len;
97 len = fw->size - len;
98 while (len) {
99 if (len < 12) {
100 dev_err(component->dev, "%s short data block of %zd\n",
101 name, len);
102 goto err;
103 }
104
105 block_len = get_unaligned_be32(data + 4);
106 if (block_len + 8 > len) {
107 dev_err(component->dev, "%zd byte block longer than file\n",
108 block_len);
109 goto err;
110 }
111 if (block_len == 0) {
112 dev_err(component->dev, "Zero length block\n");
113 goto err;
114 }
115
116 data32 = get_unaligned_be32(data);
117
118 switch ((data32 >> 24) & 0xff) {
119 case WM_FW_BLOCK_INFO:
120 /* Informational text */
121 if (!check)
122 break;
123
124 str = kzalloc(block_len + 1, GFP_KERNEL);
125 if (str) {
126 memcpy(str, data + 8, block_len);
127 dev_info(component->dev, "%s: %s\n", name, str);
128 kfree(str);
129 } else {
130 dev_err(component->dev, "Out of memory\n");
131 }
132 break;
133 case WM_FW_BLOCK_PM:
134 case WM_FW_BLOCK_X:
135 case WM_FW_BLOCK_Y:
136 case WM_FW_BLOCK_Z:
137 case WM_FW_BLOCK_I:
138 case WM_FW_BLOCK_A:
139 case WM_FW_BLOCK_C:
140 dev_dbg(component->dev, "%s: %zd bytes of %x@%x\n", name,
141 block_len, (data32 >> 24) & 0xff,
142 data32 & 0xffffff);
143
144 if (check)
145 break;
146
147 data32 &= 0xffffff;
148
149 wm8994_bulk_write(wm8994->wm8994,
150 data32 & 0xffffff,
151 block_len / 2,
152 (void *)(data + 8));
153
154 break;
155 default:
156 dev_warn(component->dev, "%s: unknown block type %d\n",
157 name, (data32 >> 24) & 0xff);
158 break;
159 }
160
161 /* Round up to the next 32 bit word */
162 block_len += block_len % 4;
163
164 data += block_len + 8;
165 len -= block_len + 8;
166 }
167
168 if (!check) {
169 dev_dbg(component->dev, "%s: download done\n", name);
170 wm8994->cur_fw = fw;
171 } else {
172 dev_info(component->dev, "%s: got firmware\n", name);
173 }
174
175 goto ok;
176
177 err:
178 ret = -EINVAL;
179 ok:
180 if (!check) {
181 snd_soc_component_write(component, 0x900, 0x0);
182 snd_soc_component_write(component, 0x102, 0x0);
183 }
184
185 return ret;
186 }
187
188 static void wm8958_dsp_start_mbc(struct snd_soc_component *component, int path)
189 {
190 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
191 struct wm8994 *control = wm8994->wm8994;
192 int i;
193
194 /* If the DSP is already running then noop */
195 if (snd_soc_component_read(component, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA)
196 return;
197
198 /* If we have MBC firmware download it */
199 if (wm8994->mbc)
200 wm8958_dsp2_fw(component, "MBC", wm8994->mbc, false);
201
202 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
203 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
204
205 /* If we've got user supplied MBC settings use them */
206 if (control->pdata.num_mbc_cfgs) {
207 struct wm8958_mbc_cfg *cfg
208 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
209
210 for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
211 snd_soc_component_write(component, i + WM8958_MBC_BAND_1_K_1,
212 cfg->coeff_regs[i]);
213
214 for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++)
215 snd_soc_component_write(component,
216 i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
217 cfg->cutoff_regs[i]);
218 }
219
220 /* Run the DSP */
221 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
222 WM8958_DSP2_RUNR);
223
224 /* And we're off! */
225 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
226 WM8958_MBC_ENA |
227 WM8958_MBC_SEL_MASK,
228 path << WM8958_MBC_SEL_SHIFT |
229 WM8958_MBC_ENA);
230 }
231
232 static void wm8958_dsp_start_vss(struct snd_soc_component *component, int path)
233 {
234 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
235 struct wm8994 *control = wm8994->wm8994;
236 int i, ena;
237
238 if (wm8994->mbc_vss)
239 wm8958_dsp2_fw(component, "MBC+VSS", wm8994->mbc_vss, false);
240
241 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
242 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
243
244 /* If we've got user supplied settings use them */
245 if (control->pdata.num_mbc_cfgs) {
246 struct wm8958_mbc_cfg *cfg
247 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
248
249 for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
250 snd_soc_component_write(component, i + 0x2800,
251 cfg->combined_regs[i]);
252 }
253
254 if (control->pdata.num_vss_cfgs) {
255 struct wm8958_vss_cfg *cfg
256 = &control->pdata.vss_cfgs[wm8994->vss_cfg];
257
258 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
259 snd_soc_component_write(component, i + 0x2600, cfg->regs[i]);
260 }
261
262 if (control->pdata.num_vss_hpf_cfgs) {
263 struct wm8958_vss_hpf_cfg *cfg
264 = &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg];
265
266 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
267 snd_soc_component_write(component, i + 0x2400, cfg->regs[i]);
268 }
269
270 /* Run the DSP */
271 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
272 WM8958_DSP2_RUNR);
273
274 /* Enable the algorithms we've selected */
275 ena = 0;
276 if (wm8994->mbc_ena[path])
277 ena |= 0x8;
278 if (wm8994->hpf2_ena[path])
279 ena |= 0x4;
280 if (wm8994->hpf1_ena[path])
281 ena |= 0x2;
282 if (wm8994->vss_ena[path])
283 ena |= 0x1;
284
285 snd_soc_component_write(component, 0x2201, ena);
286
287 /* Switch the DSP into the data path */
288 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
289 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
290 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
291 }
292
293 static void wm8958_dsp_start_enh_eq(struct snd_soc_component *component, int path)
294 {
295 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
296 struct wm8994 *control = wm8994->wm8994;
297 int i;
298
299 wm8958_dsp2_fw(component, "ENH_EQ", wm8994->enh_eq, false);
300
301 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
302 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
303
304 /* If we've got user supplied settings use them */
305 if (control->pdata.num_enh_eq_cfgs) {
306 struct wm8958_enh_eq_cfg *cfg
307 = &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg];
308
309 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
310 snd_soc_component_write(component, i + 0x2200,
311 cfg->regs[i]);
312 }
313
314 /* Run the DSP */
315 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
316 WM8958_DSP2_RUNR);
317
318 /* Switch the DSP into the data path */
319 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
320 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
321 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
322 }
323
324 static void wm8958_dsp_apply(struct snd_soc_component *component, int path, int start)
325 {
326 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
327 int pwr_reg = snd_soc_component_read(component, WM8994_POWER_MANAGEMENT_5);
328 int ena, reg, aif;
329
330 switch (path) {
331 case 0:
332 pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA);
333 aif = 0;
334 break;
335 case 1:
336 pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
337 aif = 0;
338 break;
339 case 2:
340 pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA);
341 aif = 1;
342 break;
343 default:
344 WARN(1, "Invalid path %d\n", path);
345 return;
346 }
347
348 /* Do we have both an active AIF and an active algorithm? */
349 ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
350 wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
351 wm8994->enh_eq_ena[path];
352 if (!pwr_reg)
353 ena = 0;
354
355 reg = snd_soc_component_read(component, WM8958_DSP2_PROGRAM);
356
357 dev_dbg(component->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n",
358 path, wm8994->dsp_active, start, pwr_reg, reg);
359
360 if (start && ena) {
361 /* If the DSP is already running then noop */
362 if (reg & WM8958_DSP2_ENA)
363 return;
364
365 /* If either AIFnCLK is not yet enabled postpone */
366 if (!(snd_soc_component_read(component, WM8994_AIF1_CLOCKING_1)
367 & WM8994_AIF1CLK_ENA_MASK) &&
368 !(snd_soc_component_read(component, WM8994_AIF2_CLOCKING_1)
369 & WM8994_AIF2CLK_ENA_MASK))
370 return;
371
372 /* Switch the clock over to the appropriate AIF */
373 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
374 WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA,
375 aif << WM8958_DSP2CLK_SRC_SHIFT |
376 WM8958_DSP2CLK_ENA);
377
378 if (wm8994->enh_eq_ena[path])
379 wm8958_dsp_start_enh_eq(component, path);
380 else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
381 wm8994->hpf2_ena[path])
382 wm8958_dsp_start_vss(component, path);
383 else if (wm8994->mbc_ena[path])
384 wm8958_dsp_start_mbc(component, path);
385
386 wm8994->dsp_active = path;
387
388 dev_dbg(component->dev, "DSP running in path %d\n", path);
389 }
390
391 if (!start && wm8994->dsp_active == path) {
392 /* If the DSP is already stopped then noop */
393 if (!(reg & WM8958_DSP2_ENA))
394 return;
395
396 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
397 WM8958_MBC_ENA, 0);
398 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
399 WM8958_DSP2_STOP);
400 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
401 WM8958_DSP2_ENA, 0);
402 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
403 WM8958_DSP2CLK_ENA, 0);
404
405 wm8994->dsp_active = -1;
406
407 dev_dbg(component->dev, "DSP stopped\n");
408 }
409 }
410
411 int wm8958_aif_ev(struct snd_soc_dapm_widget *w,
412 struct snd_kcontrol *kcontrol, int event)
413 {
414 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
415 struct wm8994 *control = dev_get_drvdata(component->dev->parent);
416 int i;
417
418 if (control->type != WM8958)
419 return 0;
420
421 switch (event) {
422 case SND_SOC_DAPM_POST_PMU:
423 case SND_SOC_DAPM_PRE_PMU:
424 for (i = 0; i < 3; i++)
425 wm8958_dsp_apply(component, i, 1);
426 break;
427 case SND_SOC_DAPM_POST_PMD:
428 case SND_SOC_DAPM_PRE_PMD:
429 for (i = 0; i < 3; i++)
430 wm8958_dsp_apply(component, i, 0);
431 break;
432 }
433
434 return 0;
435 }
436
437 /* Check if DSP2 is in use on another AIF */
438 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
439 {
440 int i;
441
442 for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
443 if (i == aif)
444 continue;
445 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
446 wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
447 return 1;
448 }
449
450 return 0;
451 }
452
453 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
454 struct snd_ctl_elem_value *ucontrol)
455 {
456 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
457 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
458 struct wm8994 *control = wm8994->wm8994;
459 int value = ucontrol->value.enumerated.item[0];
460 int reg;
461
462 /* Don't allow on the fly reconfiguration */
463 reg = snd_soc_component_read(component, WM8994_CLOCKING_1);
464 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
465 return -EBUSY;
466
467 if (value >= control->pdata.num_mbc_cfgs)
468 return -EINVAL;
469
470 wm8994->mbc_cfg = value;
471
472 return 0;
473 }
474
475 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
476 struct snd_ctl_elem_value *ucontrol)
477 {
478 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
479 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
480
481 ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
482
483 return 0;
484 }
485
486 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
487 struct snd_ctl_elem_info *uinfo)
488 {
489 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
490 uinfo->count = 1;
491 uinfo->value.integer.min = 0;
492 uinfo->value.integer.max = 1;
493 return 0;
494 }
495
496 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
497 struct snd_ctl_elem_value *ucontrol)
498 {
499 int mbc = kcontrol->private_value;
500 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
501 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
502
503 ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
504
505 return 0;
506 }
507
508 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
509 struct snd_ctl_elem_value *ucontrol)
510 {
511 int mbc = kcontrol->private_value;
512 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
513 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
514
515 if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
516 return 0;
517
518 if (ucontrol->value.integer.value[0] > 1)
519 return -EINVAL;
520
521 if (wm8958_dsp2_busy(wm8994, mbc)) {
522 dev_dbg(component->dev, "DSP2 active on %d already\n", mbc);
523 return -EBUSY;
524 }
525
526 if (wm8994->enh_eq_ena[mbc])
527 return -EBUSY;
528
529 wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
530
531 wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);
532
533 return 1;
534 }
535
536 #define WM8958_MBC_SWITCH(xname, xval) {\
537 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
538 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
539 .info = wm8958_mbc_info, \
540 .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
541 .private_value = xval }
542
543 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
544 struct snd_ctl_elem_value *ucontrol)
545 {
546 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
547 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
548 struct wm8994 *control = wm8994->wm8994;
549 int value = ucontrol->value.enumerated.item[0];
550 int reg;
551
552 /* Don't allow on the fly reconfiguration */
553 reg = snd_soc_component_read(component, WM8994_CLOCKING_1);
554 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
555 return -EBUSY;
556
557 if (value >= control->pdata.num_vss_cfgs)
558 return -EINVAL;
559
560 wm8994->vss_cfg = value;
561
562 return 0;
563 }
564
565 static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
566 struct snd_ctl_elem_value *ucontrol)
567 {
568 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
569 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
570
571 ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
572
573 return 0;
574 }
575
576 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
577 struct snd_ctl_elem_value *ucontrol)
578 {
579 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
580 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
581 struct wm8994 *control = wm8994->wm8994;
582 int value = ucontrol->value.enumerated.item[0];
583 int reg;
584
585 /* Don't allow on the fly reconfiguration */
586 reg = snd_soc_component_read(component, WM8994_CLOCKING_1);
587 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
588 return -EBUSY;
589
590 if (value >= control->pdata.num_vss_hpf_cfgs)
591 return -EINVAL;
592
593 wm8994->vss_hpf_cfg = value;
594
595 return 0;
596 }
597
598 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
599 struct snd_ctl_elem_value *ucontrol)
600 {
601 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
602 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
603
604 ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
605
606 return 0;
607 }
608
609 static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
610 struct snd_ctl_elem_info *uinfo)
611 {
612 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
613 uinfo->count = 1;
614 uinfo->value.integer.min = 0;
615 uinfo->value.integer.max = 1;
616 return 0;
617 }
618
619 static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
620 struct snd_ctl_elem_value *ucontrol)
621 {
622 int vss = kcontrol->private_value;
623 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
624 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
625
626 ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
627
628 return 0;
629 }
630
631 static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
632 struct snd_ctl_elem_value *ucontrol)
633 {
634 int vss = kcontrol->private_value;
635 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
636 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
637
638 if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
639 return 0;
640
641 if (ucontrol->value.integer.value[0] > 1)
642 return -EINVAL;
643
644 if (!wm8994->mbc_vss)
645 return -ENODEV;
646
647 if (wm8958_dsp2_busy(wm8994, vss)) {
648 dev_dbg(component->dev, "DSP2 active on %d already\n", vss);
649 return -EBUSY;
650 }
651
652 if (wm8994->enh_eq_ena[vss])
653 return -EBUSY;
654
655 wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
656
657 wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);
658
659 return 1;
660 }
661
662
663 #define WM8958_VSS_SWITCH(xname, xval) {\
664 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
665 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
666 .info = wm8958_vss_info, \
667 .get = wm8958_vss_get, .put = wm8958_vss_put, \
668 .private_value = xval }
669
670 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
671 struct snd_ctl_elem_info *uinfo)
672 {
673 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
674 uinfo->count = 1;
675 uinfo->value.integer.min = 0;
676 uinfo->value.integer.max = 1;
677 return 0;
678 }
679
680 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
681 struct snd_ctl_elem_value *ucontrol)
682 {
683 int hpf = kcontrol->private_value;
684 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
685 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
686
687 if (hpf < 3)
688 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
689 else
690 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
691
692 return 0;
693 }
694
695 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
696 struct snd_ctl_elem_value *ucontrol)
697 {
698 int hpf = kcontrol->private_value;
699 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
700 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
701
702 if (hpf < 3) {
703 if (wm8994->hpf1_ena[hpf % 3] ==
704 ucontrol->value.integer.value[0])
705 return 0;
706 } else {
707 if (wm8994->hpf2_ena[hpf % 3] ==
708 ucontrol->value.integer.value[0])
709 return 0;
710 }
711
712 if (ucontrol->value.integer.value[0] > 1)
713 return -EINVAL;
714
715 if (!wm8994->mbc_vss)
716 return -ENODEV;
717
718 if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
719 dev_dbg(component->dev, "DSP2 active on %d already\n", hpf);
720 return -EBUSY;
721 }
722
723 if (wm8994->enh_eq_ena[hpf % 3])
724 return -EBUSY;
725
726 if (hpf < 3)
727 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
728 else
729 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
730
731 wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);
732
733 return 1;
734 }
735
736 #define WM8958_HPF_SWITCH(xname, xval) {\
737 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
738 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
739 .info = wm8958_hpf_info, \
740 .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
741 .private_value = xval }
742
743 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
744 struct snd_ctl_elem_value *ucontrol)
745 {
746 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
747 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
748 struct wm8994 *control = wm8994->wm8994;
749 int value = ucontrol->value.enumerated.item[0];
750 int reg;
751
752 /* Don't allow on the fly reconfiguration */
753 reg = snd_soc_component_read(component, WM8994_CLOCKING_1);
754 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
755 return -EBUSY;
756
757 if (value >= control->pdata.num_enh_eq_cfgs)
758 return -EINVAL;
759
760 wm8994->enh_eq_cfg = value;
761
762 return 0;
763 }
764
765 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
766 struct snd_ctl_elem_value *ucontrol)
767 {
768 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
769 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
770
771 ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
772
773 return 0;
774 }
775
776 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
777 struct snd_ctl_elem_info *uinfo)
778 {
779 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
780 uinfo->count = 1;
781 uinfo->value.integer.min = 0;
782 uinfo->value.integer.max = 1;
783 return 0;
784 }
785
786 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
787 struct snd_ctl_elem_value *ucontrol)
788 {
789 int eq = kcontrol->private_value;
790 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
791 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
792
793 ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
794
795 return 0;
796 }
797
798 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
799 struct snd_ctl_elem_value *ucontrol)
800 {
801 int eq = kcontrol->private_value;
802 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
803 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
804
805 if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
806 return 0;
807
808 if (ucontrol->value.integer.value[0] > 1)
809 return -EINVAL;
810
811 if (!wm8994->enh_eq)
812 return -ENODEV;
813
814 if (wm8958_dsp2_busy(wm8994, eq)) {
815 dev_dbg(component->dev, "DSP2 active on %d already\n", eq);
816 return -EBUSY;
817 }
818
819 if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
820 wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
821 return -EBUSY;
822
823 wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
824
825 wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);
826
827 return 1;
828 }
829
830 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
831 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
832 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
833 .info = wm8958_enh_eq_info, \
834 .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
835 .private_value = xval }
836
837 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
838 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
839 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
840 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
841 };
842
843 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
844 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
845 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
846 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
847 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
848 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
849 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
850 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
851 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
852 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
853 };
854
855 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
856 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
857 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
858 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
859 };
860
861 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
862 {
863 struct snd_soc_component *component = context;
864 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
865
866 if (fw && (wm8958_dsp2_fw(component, "ENH_EQ", fw, true) == 0)) {
867 mutex_lock(&wm8994->fw_lock);
868 wm8994->enh_eq = fw;
869 mutex_unlock(&wm8994->fw_lock);
870 }
871 }
872
873 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
874 {
875 struct snd_soc_component *component = context;
876 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
877
878 if (fw && (wm8958_dsp2_fw(component, "MBC+VSS", fw, true) == 0)) {
879 mutex_lock(&wm8994->fw_lock);
880 wm8994->mbc_vss = fw;
881 mutex_unlock(&wm8994->fw_lock);
882 }
883 }
884
885 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
886 {
887 struct snd_soc_component *component = context;
888 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
889
890 if (fw && (wm8958_dsp2_fw(component, "MBC", fw, true) == 0)) {
891 mutex_lock(&wm8994->fw_lock);
892 wm8994->mbc = fw;
893 mutex_unlock(&wm8994->fw_lock);
894 }
895 }
896
897 void wm8958_dsp2_init(struct snd_soc_component *component)
898 {
899 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
900 struct wm8994 *control = wm8994->wm8994;
901 struct wm8994_pdata *pdata = &control->pdata;
902 int ret, i;
903
904 wm8994->dsp_active = -1;
905
906 snd_soc_add_component_controls(component, wm8958_mbc_snd_controls,
907 ARRAY_SIZE(wm8958_mbc_snd_controls));
908 snd_soc_add_component_controls(component, wm8958_vss_snd_controls,
909 ARRAY_SIZE(wm8958_vss_snd_controls));
910 snd_soc_add_component_controls(component, wm8958_enh_eq_snd_controls,
911 ARRAY_SIZE(wm8958_enh_eq_snd_controls));
912
913
914 /* We don't *require* firmware and don't want to delay boot */
915 request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
916 "wm8958_mbc.wfw", component->dev, GFP_KERNEL,
917 component, wm8958_mbc_loaded);
918 request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
919 "wm8958_mbc_vss.wfw", component->dev, GFP_KERNEL,
920 component, wm8958_mbc_vss_loaded);
921 request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT,
922 "wm8958_enh_eq.wfw", component->dev, GFP_KERNEL,
923 component, wm8958_enh_eq_loaded);
924
925 if (pdata->num_mbc_cfgs) {
926 struct snd_kcontrol_new mbc_control[] = {
927 SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
928 wm8958_get_mbc_enum, wm8958_put_mbc_enum),
929 };
930
931 /* We need an array of texts for the enum API */
932 wm8994->mbc_texts = kmalloc_array(pdata->num_mbc_cfgs,
933 sizeof(char *),
934 GFP_KERNEL);
935 if (!wm8994->mbc_texts)
936 return;
937
938 for (i = 0; i < pdata->num_mbc_cfgs; i++)
939 wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
940
941 wm8994->mbc_enum.items = pdata->num_mbc_cfgs;
942 wm8994->mbc_enum.texts = wm8994->mbc_texts;
943
944 ret = snd_soc_add_component_controls(wm8994->hubs.component,
945 mbc_control, 1);
946 if (ret != 0)
947 dev_err(wm8994->hubs.component->dev,
948 "Failed to add MBC mode controls: %d\n", ret);
949 }
950
951 if (pdata->num_vss_cfgs) {
952 struct snd_kcontrol_new vss_control[] = {
953 SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
954 wm8958_get_vss_enum, wm8958_put_vss_enum),
955 };
956
957 /* We need an array of texts for the enum API */
958 wm8994->vss_texts = kmalloc_array(pdata->num_vss_cfgs,
959 sizeof(char *),
960 GFP_KERNEL);
961 if (!wm8994->vss_texts)
962 return;
963
964 for (i = 0; i < pdata->num_vss_cfgs; i++)
965 wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
966
967 wm8994->vss_enum.items = pdata->num_vss_cfgs;
968 wm8994->vss_enum.texts = wm8994->vss_texts;
969
970 ret = snd_soc_add_component_controls(wm8994->hubs.component,
971 vss_control, 1);
972 if (ret != 0)
973 dev_err(wm8994->hubs.component->dev,
974 "Failed to add VSS mode controls: %d\n", ret);
975 }
976
977 if (pdata->num_vss_hpf_cfgs) {
978 struct snd_kcontrol_new hpf_control[] = {
979 SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
980 wm8958_get_vss_hpf_enum,
981 wm8958_put_vss_hpf_enum),
982 };
983
984 /* We need an array of texts for the enum API */
985 wm8994->vss_hpf_texts = kmalloc_array(pdata->num_vss_hpf_cfgs,
986 sizeof(char *),
987 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_component_controls(wm8994->hubs.component,
998 hpf_control, 1);
999 if (ret != 0)
1000 dev_err(wm8994->hubs.component->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 eq_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_array(pdata->num_enh_eq_cfgs,
1014 sizeof(char *),
1015 GFP_KERNEL);
1016 if (!wm8994->enh_eq_texts)
1017 return;
1018
1019 for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
1020 wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
1021
1022 wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs;
1023 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
1024
1025 ret = snd_soc_add_component_controls(wm8994->hubs.component,
1026 eq_control, 1);
1027 if (ret != 0)
1028 dev_err(wm8994->hubs.component->dev,
1029 "Failed to add enhanced EQ controls: %d\n",
1030 ret);
1031 }
1032 }
1033
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