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 "wm8994.h"
29
30 #define WM_FW_BLOCK_INFO 0xff
31 #define WM_FW_BLOCK_PM 0x00
32 #define WM_FW_BLOCK_X 0x01
33 #define WM_FW_BLOCK_Y 0x02
34 #define WM_FW_BLOCK_Z 0x03
35 #define WM_FW_BLOCK_I 0x06
36 #define WM_FW_BLOCK_A 0x08
37 #define WM_FW_BLOCK_C 0x0c
38
wm8958_dsp2_fw(struct snd_soc_component * component,const char * name,const struct firmware * fw,bool check)39 static int wm8958_dsp2_fw(struct snd_soc_component *component, const char *name,
40 const struct firmware *fw, bool check)
41 {
42 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
43 u64 data64;
44 u32 data32;
45 const u8 *data;
46 char *str;
47 size_t block_len, len;
48 int ret = 0;
49
50 /* Suppress unneeded downloads */
51 if (wm8994->cur_fw == fw)
52 return 0;
53
54 if (fw->size < 32) {
55 dev_err(component->dev, "%s: firmware too short (%zd bytes)\n",
56 name, fw->size);
57 goto err;
58 }
59
60 if (memcmp(fw->data, "WMFW", 4) != 0) {
61 memcpy(&data32, fw->data, sizeof(data32));
62 data32 = be32_to_cpu(data32);
63 dev_err(component->dev, "%s: firmware has bad file magic %08x\n",
64 name, data32);
65 goto err;
66 }
67
68 memcpy(&data32, fw->data + 4, sizeof(data32));
69 len = be32_to_cpu(data32);
70
71 memcpy(&data32, fw->data + 8, sizeof(data32));
72 data32 = be32_to_cpu(data32);
73 if ((data32 >> 24) & 0xff) {
74 dev_err(component->dev, "%s: unsupported firmware version %d\n",
75 name, (data32 >> 24) & 0xff);
76 goto err;
77 }
78 if ((data32 & 0xffff) != 8958) {
79 dev_err(component->dev, "%s: unsupported target device %d\n",
80 name, data32 & 0xffff);
81 goto err;
82 }
83 if (((data32 >> 16) & 0xff) != 0xc) {
84 dev_err(component->dev, "%s: unsupported target core %d\n",
85 name, (data32 >> 16) & 0xff);
86 goto err;
87 }
88
89 if (check) {
90 memcpy(&data64, fw->data + 24, sizeof(u64));
91 dev_info(component->dev, "%s timestamp %llx\n",
92 name, be64_to_cpu(data64));
93 } else {
94 snd_soc_component_write(component, 0x102, 0x2);
95 snd_soc_component_write(component, 0x900, 0x2);
96 }
97
98 data = fw->data + len;
99 len = fw->size - len;
100 while (len) {
101 if (len < 12) {
102 dev_err(component->dev, "%s short data block of %zd\n",
103 name, len);
104 goto err;
105 }
106
107 memcpy(&data32, data + 4, sizeof(data32));
108 block_len = be32_to_cpu(data32);
109 if (block_len + 8 > len) {
110 dev_err(component->dev, "%zd byte block longer than file\n",
111 block_len);
112 goto err;
113 }
114 if (block_len == 0) {
115 dev_err(component->dev, "Zero length block\n");
116 goto err;
117 }
118
119 memcpy(&data32, data, sizeof(data32));
120 data32 = be32_to_cpu(data32);
121
122 switch ((data32 >> 24) & 0xff) {
123 case WM_FW_BLOCK_INFO:
124 /* Informational text */
125 if (!check)
126 break;
127
128 str = kzalloc(block_len + 1, GFP_KERNEL);
129 if (str) {
130 memcpy(str, data + 8, block_len);
131 dev_info(component->dev, "%s: %s\n", name, str);
132 kfree(str);
133 } else {
134 dev_err(component->dev, "Out of memory\n");
135 }
136 break;
137 case WM_FW_BLOCK_PM:
138 case WM_FW_BLOCK_X:
139 case WM_FW_BLOCK_Y:
140 case WM_FW_BLOCK_Z:
141 case WM_FW_BLOCK_I:
142 case WM_FW_BLOCK_A:
143 case WM_FW_BLOCK_C:
144 dev_dbg(component->dev, "%s: %zd bytes of %x@%x\n", name,
145 block_len, (data32 >> 24) & 0xff,
146 data32 & 0xffffff);
147
148 if (check)
149 break;
150
151 data32 &= 0xffffff;
152
153 wm8994_bulk_write(wm8994->wm8994,
154 data32 & 0xffffff,
155 block_len / 2,
156 (void *)(data + 8));
157
158 break;
159 default:
160 dev_warn(component->dev, "%s: unknown block type %d\n",
161 name, (data32 >> 24) & 0xff);
162 break;
163 }
164
165 /* Round up to the next 32 bit word */
166 block_len += block_len % 4;
167
168 data += block_len + 8;
169 len -= block_len + 8;
170 }
171
172 if (!check) {
173 dev_dbg(component->dev, "%s: download done\n", name);
174 wm8994->cur_fw = fw;
175 } else {
176 dev_info(component->dev, "%s: got firmware\n", name);
177 }
178
179 goto ok;
180
181 err:
182 ret = -EINVAL;
183 ok:
184 if (!check) {
185 snd_soc_component_write(component, 0x900, 0x0);
186 snd_soc_component_write(component, 0x102, 0x0);
187 }
188
189 return ret;
190 }
191
wm8958_dsp_start_mbc(struct snd_soc_component * component,int path)192 static void wm8958_dsp_start_mbc(struct snd_soc_component *component, int path)
193 {
194 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
195 struct wm8994 *control = wm8994->wm8994;
196 int i;
197
198 /* If the DSP is already running then noop */
199 if (snd_soc_component_read32(component, WM8958_DSP2_PROGRAM) & WM8958_DSP2_ENA)
200 return;
201
202 /* If we have MBC firmware download it */
203 if (wm8994->mbc)
204 wm8958_dsp2_fw(component, "MBC", wm8994->mbc, false);
205
206 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
207 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
208
209 /* If we've got user supplied MBC settings use them */
210 if (control->pdata.num_mbc_cfgs) {
211 struct wm8958_mbc_cfg *cfg
212 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
213
214 for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
215 snd_soc_component_write(component, i + WM8958_MBC_BAND_1_K_1,
216 cfg->coeff_regs[i]);
217
218 for (i = 0; i < ARRAY_SIZE(cfg->cutoff_regs); i++)
219 snd_soc_component_write(component,
220 i + WM8958_MBC_BAND_2_LOWER_CUTOFF_C1_1,
221 cfg->cutoff_regs[i]);
222 }
223
224 /* Run the DSP */
225 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
226 WM8958_DSP2_RUNR);
227
228 /* And we're off! */
229 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
230 WM8958_MBC_ENA |
231 WM8958_MBC_SEL_MASK,
232 path << WM8958_MBC_SEL_SHIFT |
233 WM8958_MBC_ENA);
234 }
235
wm8958_dsp_start_vss(struct snd_soc_component * component,int path)236 static void wm8958_dsp_start_vss(struct snd_soc_component *component, int path)
237 {
238 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
239 struct wm8994 *control = wm8994->wm8994;
240 int i, ena;
241
242 if (wm8994->mbc_vss)
243 wm8958_dsp2_fw(component, "MBC+VSS", wm8994->mbc_vss, false);
244
245 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
246 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
247
248 /* If we've got user supplied settings use them */
249 if (control->pdata.num_mbc_cfgs) {
250 struct wm8958_mbc_cfg *cfg
251 = &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
252
253 for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
254 snd_soc_component_write(component, i + 0x2800,
255 cfg->combined_regs[i]);
256 }
257
258 if (control->pdata.num_vss_cfgs) {
259 struct wm8958_vss_cfg *cfg
260 = &control->pdata.vss_cfgs[wm8994->vss_cfg];
261
262 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
263 snd_soc_component_write(component, i + 0x2600, cfg->regs[i]);
264 }
265
266 if (control->pdata.num_vss_hpf_cfgs) {
267 struct wm8958_vss_hpf_cfg *cfg
268 = &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg];
269
270 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
271 snd_soc_component_write(component, i + 0x2400, cfg->regs[i]);
272 }
273
274 /* Run the DSP */
275 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
276 WM8958_DSP2_RUNR);
277
278 /* Enable the algorithms we've selected */
279 ena = 0;
280 if (wm8994->mbc_ena[path])
281 ena |= 0x8;
282 if (wm8994->hpf2_ena[path])
283 ena |= 0x4;
284 if (wm8994->hpf1_ena[path])
285 ena |= 0x2;
286 if (wm8994->vss_ena[path])
287 ena |= 0x1;
288
289 snd_soc_component_write(component, 0x2201, ena);
290
291 /* Switch the DSP into the data path */
292 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
293 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
294 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
295 }
296
wm8958_dsp_start_enh_eq(struct snd_soc_component * component,int path)297 static void wm8958_dsp_start_enh_eq(struct snd_soc_component *component, int path)
298 {
299 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
300 struct wm8994 *control = wm8994->wm8994;
301 int i;
302
303 wm8958_dsp2_fw(component, "ENH_EQ", wm8994->enh_eq, false);
304
305 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
306 WM8958_DSP2_ENA, WM8958_DSP2_ENA);
307
308 /* If we've got user supplied settings use them */
309 if (control->pdata.num_enh_eq_cfgs) {
310 struct wm8958_enh_eq_cfg *cfg
311 = &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg];
312
313 for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
314 snd_soc_component_write(component, i + 0x2200,
315 cfg->regs[i]);
316 }
317
318 /* Run the DSP */
319 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
320 WM8958_DSP2_RUNR);
321
322 /* Switch the DSP into the data path */
323 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
324 WM8958_MBC_SEL_MASK | WM8958_MBC_ENA,
325 path << WM8958_MBC_SEL_SHIFT | WM8958_MBC_ENA);
326 }
327
wm8958_dsp_apply(struct snd_soc_component * component,int path,int start)328 static void wm8958_dsp_apply(struct snd_soc_component *component, int path, int start)
329 {
330 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
331 int pwr_reg = snd_soc_component_read32(component, WM8994_POWER_MANAGEMENT_5);
332 int ena, reg, aif;
333
334 switch (path) {
335 case 0:
336 pwr_reg &= (WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA);
337 aif = 0;
338 break;
339 case 1:
340 pwr_reg &= (WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
341 aif = 0;
342 break;
343 case 2:
344 pwr_reg &= (WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA);
345 aif = 1;
346 break;
347 default:
348 WARN(1, "Invalid path %d\n", path);
349 return;
350 }
351
352 /* Do we have both an active AIF and an active algorithm? */
353 ena = wm8994->mbc_ena[path] || wm8994->vss_ena[path] ||
354 wm8994->hpf1_ena[path] || wm8994->hpf2_ena[path] ||
355 wm8994->enh_eq_ena[path];
356 if (!pwr_reg)
357 ena = 0;
358
359 reg = snd_soc_component_read32(component, WM8958_DSP2_PROGRAM);
360
361 dev_dbg(component->dev, "DSP path %d %d startup: %d, power: %x, DSP: %x\n",
362 path, wm8994->dsp_active, start, pwr_reg, reg);
363
364 if (start && ena) {
365 /* If the DSP is already running then noop */
366 if (reg & WM8958_DSP2_ENA)
367 return;
368
369 /* If either AIFnCLK is not yet enabled postpone */
370 if (!(snd_soc_component_read32(component, WM8994_AIF1_CLOCKING_1)
371 & WM8994_AIF1CLK_ENA_MASK) &&
372 !(snd_soc_component_read32(component, WM8994_AIF2_CLOCKING_1)
373 & WM8994_AIF2CLK_ENA_MASK))
374 return;
375
376 /* Switch the clock over to the appropriate AIF */
377 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
378 WM8958_DSP2CLK_SRC | WM8958_DSP2CLK_ENA,
379 aif << WM8958_DSP2CLK_SRC_SHIFT |
380 WM8958_DSP2CLK_ENA);
381
382 if (wm8994->enh_eq_ena[path])
383 wm8958_dsp_start_enh_eq(component, path);
384 else if (wm8994->vss_ena[path] || wm8994->hpf1_ena[path] ||
385 wm8994->hpf2_ena[path])
386 wm8958_dsp_start_vss(component, path);
387 else if (wm8994->mbc_ena[path])
388 wm8958_dsp_start_mbc(component, path);
389
390 wm8994->dsp_active = path;
391
392 dev_dbg(component->dev, "DSP running in path %d\n", path);
393 }
394
395 if (!start && wm8994->dsp_active == path) {
396 /* If the DSP is already stopped then noop */
397 if (!(reg & WM8958_DSP2_ENA))
398 return;
399
400 snd_soc_component_update_bits(component, WM8958_DSP2_CONFIG,
401 WM8958_MBC_ENA, 0);
402 snd_soc_component_write(component, WM8958_DSP2_EXECCONTROL,
403 WM8958_DSP2_STOP);
404 snd_soc_component_update_bits(component, WM8958_DSP2_PROGRAM,
405 WM8958_DSP2_ENA, 0);
406 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
407 WM8958_DSP2CLK_ENA, 0);
408
409 wm8994->dsp_active = -1;
410
411 dev_dbg(component->dev, "DSP stopped\n");
412 }
413 }
414
wm8958_aif_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)415 int wm8958_aif_ev(struct snd_soc_dapm_widget *w,
416 struct snd_kcontrol *kcontrol, int event)
417 {
418 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
419 struct wm8994 *control = dev_get_drvdata(component->dev->parent);
420 int i;
421
422 if (control->type != WM8958)
423 return 0;
424
425 switch (event) {
426 case SND_SOC_DAPM_POST_PMU:
427 case SND_SOC_DAPM_PRE_PMU:
428 for (i = 0; i < 3; i++)
429 wm8958_dsp_apply(component, i, 1);
430 break;
431 case SND_SOC_DAPM_POST_PMD:
432 case SND_SOC_DAPM_PRE_PMD:
433 for (i = 0; i < 3; i++)
434 wm8958_dsp_apply(component, i, 0);
435 break;
436 }
437
438 return 0;
439 }
440
441 /* Check if DSP2 is in use on another AIF */
wm8958_dsp2_busy(struct wm8994_priv * wm8994,int aif)442 static int wm8958_dsp2_busy(struct wm8994_priv *wm8994, int aif)
443 {
444 int i;
445
446 for (i = 0; i < ARRAY_SIZE(wm8994->mbc_ena); i++) {
447 if (i == aif)
448 continue;
449 if (wm8994->mbc_ena[i] || wm8994->vss_ena[i] ||
450 wm8994->hpf1_ena[i] || wm8994->hpf2_ena[i])
451 return 1;
452 }
453
454 return 0;
455 }
456
wm8958_put_mbc_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)457 static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
458 struct snd_ctl_elem_value *ucontrol)
459 {
460 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
461 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
462 struct wm8994 *control = wm8994->wm8994;
463 int value = ucontrol->value.enumerated.item[0];
464 int reg;
465
466 /* Don't allow on the fly reconfiguration */
467 reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
468 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
469 return -EBUSY;
470
471 if (value >= control->pdata.num_mbc_cfgs)
472 return -EINVAL;
473
474 wm8994->mbc_cfg = value;
475
476 return 0;
477 }
478
wm8958_get_mbc_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)479 static int wm8958_get_mbc_enum(struct snd_kcontrol *kcontrol,
480 struct snd_ctl_elem_value *ucontrol)
481 {
482 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
483 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
484
485 ucontrol->value.enumerated.item[0] = wm8994->mbc_cfg;
486
487 return 0;
488 }
489
wm8958_mbc_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)490 static int wm8958_mbc_info(struct snd_kcontrol *kcontrol,
491 struct snd_ctl_elem_info *uinfo)
492 {
493 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
494 uinfo->count = 1;
495 uinfo->value.integer.min = 0;
496 uinfo->value.integer.max = 1;
497 return 0;
498 }
499
wm8958_mbc_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)500 static int wm8958_mbc_get(struct snd_kcontrol *kcontrol,
501 struct snd_ctl_elem_value *ucontrol)
502 {
503 int mbc = kcontrol->private_value;
504 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
505 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
506
507 ucontrol->value.integer.value[0] = wm8994->mbc_ena[mbc];
508
509 return 0;
510 }
511
wm8958_mbc_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)512 static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
513 struct snd_ctl_elem_value *ucontrol)
514 {
515 int mbc = kcontrol->private_value;
516 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
517 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
518
519 if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
520 return 0;
521
522 if (ucontrol->value.integer.value[0] > 1)
523 return -EINVAL;
524
525 if (wm8958_dsp2_busy(wm8994, mbc)) {
526 dev_dbg(component->dev, "DSP2 active on %d already\n", mbc);
527 return -EBUSY;
528 }
529
530 if (wm8994->enh_eq_ena[mbc])
531 return -EBUSY;
532
533 wm8994->mbc_ena[mbc] = ucontrol->value.integer.value[0];
534
535 wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);
536
537 return 1;
538 }
539
540 #define WM8958_MBC_SWITCH(xname, xval) {\
541 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
542 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
543 .info = wm8958_mbc_info, \
544 .get = wm8958_mbc_get, .put = wm8958_mbc_put, \
545 .private_value = xval }
546
wm8958_put_vss_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)547 static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
548 struct snd_ctl_elem_value *ucontrol)
549 {
550 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
551 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
552 struct wm8994 *control = wm8994->wm8994;
553 int value = ucontrol->value.enumerated.item[0];
554 int reg;
555
556 /* Don't allow on the fly reconfiguration */
557 reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
558 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
559 return -EBUSY;
560
561 if (value >= control->pdata.num_vss_cfgs)
562 return -EINVAL;
563
564 wm8994->vss_cfg = value;
565
566 return 0;
567 }
568
wm8958_get_vss_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)569 static int wm8958_get_vss_enum(struct snd_kcontrol *kcontrol,
570 struct snd_ctl_elem_value *ucontrol)
571 {
572 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
573 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
574
575 ucontrol->value.enumerated.item[0] = wm8994->vss_cfg;
576
577 return 0;
578 }
579
wm8958_put_vss_hpf_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)580 static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
581 struct snd_ctl_elem_value *ucontrol)
582 {
583 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
584 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
585 struct wm8994 *control = wm8994->wm8994;
586 int value = ucontrol->value.enumerated.item[0];
587 int reg;
588
589 /* Don't allow on the fly reconfiguration */
590 reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
591 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
592 return -EBUSY;
593
594 if (value >= control->pdata.num_vss_hpf_cfgs)
595 return -EINVAL;
596
597 wm8994->vss_hpf_cfg = value;
598
599 return 0;
600 }
601
wm8958_get_vss_hpf_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)602 static int wm8958_get_vss_hpf_enum(struct snd_kcontrol *kcontrol,
603 struct snd_ctl_elem_value *ucontrol)
604 {
605 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
606 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
607
608 ucontrol->value.enumerated.item[0] = wm8994->vss_hpf_cfg;
609
610 return 0;
611 }
612
wm8958_vss_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)613 static int wm8958_vss_info(struct snd_kcontrol *kcontrol,
614 struct snd_ctl_elem_info *uinfo)
615 {
616 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
617 uinfo->count = 1;
618 uinfo->value.integer.min = 0;
619 uinfo->value.integer.max = 1;
620 return 0;
621 }
622
wm8958_vss_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)623 static int wm8958_vss_get(struct snd_kcontrol *kcontrol,
624 struct snd_ctl_elem_value *ucontrol)
625 {
626 int vss = kcontrol->private_value;
627 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
628 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
629
630 ucontrol->value.integer.value[0] = wm8994->vss_ena[vss];
631
632 return 0;
633 }
634
wm8958_vss_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)635 static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
636 struct snd_ctl_elem_value *ucontrol)
637 {
638 int vss = kcontrol->private_value;
639 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
640 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
641
642 if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
643 return 0;
644
645 if (ucontrol->value.integer.value[0] > 1)
646 return -EINVAL;
647
648 if (!wm8994->mbc_vss)
649 return -ENODEV;
650
651 if (wm8958_dsp2_busy(wm8994, vss)) {
652 dev_dbg(component->dev, "DSP2 active on %d already\n", vss);
653 return -EBUSY;
654 }
655
656 if (wm8994->enh_eq_ena[vss])
657 return -EBUSY;
658
659 wm8994->vss_ena[vss] = ucontrol->value.integer.value[0];
660
661 wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);
662
663 return 1;
664 }
665
666
667 #define WM8958_VSS_SWITCH(xname, xval) {\
668 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
669 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
670 .info = wm8958_vss_info, \
671 .get = wm8958_vss_get, .put = wm8958_vss_put, \
672 .private_value = xval }
673
wm8958_hpf_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)674 static int wm8958_hpf_info(struct snd_kcontrol *kcontrol,
675 struct snd_ctl_elem_info *uinfo)
676 {
677 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
678 uinfo->count = 1;
679 uinfo->value.integer.min = 0;
680 uinfo->value.integer.max = 1;
681 return 0;
682 }
683
wm8958_hpf_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)684 static int wm8958_hpf_get(struct snd_kcontrol *kcontrol,
685 struct snd_ctl_elem_value *ucontrol)
686 {
687 int hpf = kcontrol->private_value;
688 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
689 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
690
691 if (hpf < 3)
692 ucontrol->value.integer.value[0] = wm8994->hpf1_ena[hpf % 3];
693 else
694 ucontrol->value.integer.value[0] = wm8994->hpf2_ena[hpf % 3];
695
696 return 0;
697 }
698
wm8958_hpf_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)699 static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
700 struct snd_ctl_elem_value *ucontrol)
701 {
702 int hpf = kcontrol->private_value;
703 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
704 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
705
706 if (hpf < 3) {
707 if (wm8994->hpf1_ena[hpf % 3] ==
708 ucontrol->value.integer.value[0])
709 return 0;
710 } else {
711 if (wm8994->hpf2_ena[hpf % 3] ==
712 ucontrol->value.integer.value[0])
713 return 0;
714 }
715
716 if (ucontrol->value.integer.value[0] > 1)
717 return -EINVAL;
718
719 if (!wm8994->mbc_vss)
720 return -ENODEV;
721
722 if (wm8958_dsp2_busy(wm8994, hpf % 3)) {
723 dev_dbg(component->dev, "DSP2 active on %d already\n", hpf);
724 return -EBUSY;
725 }
726
727 if (wm8994->enh_eq_ena[hpf % 3])
728 return -EBUSY;
729
730 if (hpf < 3)
731 wm8994->hpf1_ena[hpf % 3] = ucontrol->value.integer.value[0];
732 else
733 wm8994->hpf2_ena[hpf % 3] = ucontrol->value.integer.value[0];
734
735 wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);
736
737 return 1;
738 }
739
740 #define WM8958_HPF_SWITCH(xname, xval) {\
741 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
742 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
743 .info = wm8958_hpf_info, \
744 .get = wm8958_hpf_get, .put = wm8958_hpf_put, \
745 .private_value = xval }
746
wm8958_put_enh_eq_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)747 static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
748 struct snd_ctl_elem_value *ucontrol)
749 {
750 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
751 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
752 struct wm8994 *control = wm8994->wm8994;
753 int value = ucontrol->value.enumerated.item[0];
754 int reg;
755
756 /* Don't allow on the fly reconfiguration */
757 reg = snd_soc_component_read32(component, WM8994_CLOCKING_1);
758 if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
759 return -EBUSY;
760
761 if (value >= control->pdata.num_enh_eq_cfgs)
762 return -EINVAL;
763
764 wm8994->enh_eq_cfg = value;
765
766 return 0;
767 }
768
wm8958_get_enh_eq_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)769 static int wm8958_get_enh_eq_enum(struct snd_kcontrol *kcontrol,
770 struct snd_ctl_elem_value *ucontrol)
771 {
772 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
773 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
774
775 ucontrol->value.enumerated.item[0] = wm8994->enh_eq_cfg;
776
777 return 0;
778 }
779
wm8958_enh_eq_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)780 static int wm8958_enh_eq_info(struct snd_kcontrol *kcontrol,
781 struct snd_ctl_elem_info *uinfo)
782 {
783 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
784 uinfo->count = 1;
785 uinfo->value.integer.min = 0;
786 uinfo->value.integer.max = 1;
787 return 0;
788 }
789
wm8958_enh_eq_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)790 static int wm8958_enh_eq_get(struct snd_kcontrol *kcontrol,
791 struct snd_ctl_elem_value *ucontrol)
792 {
793 int eq = kcontrol->private_value;
794 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
795 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
796
797 ucontrol->value.integer.value[0] = wm8994->enh_eq_ena[eq];
798
799 return 0;
800 }
801
wm8958_enh_eq_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)802 static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
803 struct snd_ctl_elem_value *ucontrol)
804 {
805 int eq = kcontrol->private_value;
806 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
807 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
808
809 if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
810 return 0;
811
812 if (ucontrol->value.integer.value[0] > 1)
813 return -EINVAL;
814
815 if (!wm8994->enh_eq)
816 return -ENODEV;
817
818 if (wm8958_dsp2_busy(wm8994, eq)) {
819 dev_dbg(component->dev, "DSP2 active on %d already\n", eq);
820 return -EBUSY;
821 }
822
823 if (wm8994->mbc_ena[eq] || wm8994->vss_ena[eq] ||
824 wm8994->hpf1_ena[eq] || wm8994->hpf2_ena[eq])
825 return -EBUSY;
826
827 wm8994->enh_eq_ena[eq] = ucontrol->value.integer.value[0];
828
829 wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);
830
831 return 1;
832 }
833
834 #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
835 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
836 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,\
837 .info = wm8958_enh_eq_info, \
838 .get = wm8958_enh_eq_get, .put = wm8958_enh_eq_put, \
839 .private_value = xval }
840
841 static const struct snd_kcontrol_new wm8958_mbc_snd_controls[] = {
842 WM8958_MBC_SWITCH("AIF1DAC1 MBC Switch", 0),
843 WM8958_MBC_SWITCH("AIF1DAC2 MBC Switch", 1),
844 WM8958_MBC_SWITCH("AIF2DAC MBC Switch", 2),
845 };
846
847 static const struct snd_kcontrol_new wm8958_vss_snd_controls[] = {
848 WM8958_VSS_SWITCH("AIF1DAC1 VSS Switch", 0),
849 WM8958_VSS_SWITCH("AIF1DAC2 VSS Switch", 1),
850 WM8958_VSS_SWITCH("AIF2DAC VSS Switch", 2),
851 WM8958_HPF_SWITCH("AIF1DAC1 HPF1 Switch", 0),
852 WM8958_HPF_SWITCH("AIF1DAC2 HPF1 Switch", 1),
853 WM8958_HPF_SWITCH("AIF2DAC HPF1 Switch", 2),
854 WM8958_HPF_SWITCH("AIF1DAC1 HPF2 Switch", 3),
855 WM8958_HPF_SWITCH("AIF1DAC2 HPF2 Switch", 4),
856 WM8958_HPF_SWITCH("AIF2DAC HPF2 Switch", 5),
857 };
858
859 static const struct snd_kcontrol_new wm8958_enh_eq_snd_controls[] = {
860 WM8958_ENH_EQ_SWITCH("AIF1DAC1 Enhanced EQ Switch", 0),
861 WM8958_ENH_EQ_SWITCH("AIF1DAC2 Enhanced EQ Switch", 1),
862 WM8958_ENH_EQ_SWITCH("AIF2DAC Enhanced EQ Switch", 2),
863 };
864
wm8958_enh_eq_loaded(const struct firmware * fw,void * context)865 static void wm8958_enh_eq_loaded(const struct firmware *fw, void *context)
866 {
867 struct snd_soc_component *component = context;
868 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
869
870 if (fw && (wm8958_dsp2_fw(component, "ENH_EQ", fw, true) == 0)) {
871 mutex_lock(&wm8994->fw_lock);
872 wm8994->enh_eq = fw;
873 mutex_unlock(&wm8994->fw_lock);
874 }
875 }
876
wm8958_mbc_vss_loaded(const struct firmware * fw,void * context)877 static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
878 {
879 struct snd_soc_component *component = context;
880 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
881
882 if (fw && (wm8958_dsp2_fw(component, "MBC+VSS", fw, true) == 0)) {
883 mutex_lock(&wm8994->fw_lock);
884 wm8994->mbc_vss = fw;
885 mutex_unlock(&wm8994->fw_lock);
886 }
887 }
888
wm8958_mbc_loaded(const struct firmware * fw,void * context)889 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
890 {
891 struct snd_soc_component *component = context;
892 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
893
894 if (fw && (wm8958_dsp2_fw(component, "MBC", fw, true) == 0)) {
895 mutex_lock(&wm8994->fw_lock);
896 wm8994->mbc = fw;
897 mutex_unlock(&wm8994->fw_lock);
898 }
899 }
900
wm8958_dsp2_init(struct snd_soc_component * component)901 void wm8958_dsp2_init(struct snd_soc_component *component)
902 {
903 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
904 struct wm8994 *control = wm8994->wm8994;
905 struct wm8994_pdata *pdata = &control->pdata;
906 int ret, i;
907
908 wm8994->dsp_active = -1;
909
910 snd_soc_add_component_controls(component, wm8958_mbc_snd_controls,
911 ARRAY_SIZE(wm8958_mbc_snd_controls));
912 snd_soc_add_component_controls(component, wm8958_vss_snd_controls,
913 ARRAY_SIZE(wm8958_vss_snd_controls));
914 snd_soc_add_component_controls(component, wm8958_enh_eq_snd_controls,
915 ARRAY_SIZE(wm8958_enh_eq_snd_controls));
916
917
918 /* We don't *require* firmware and don't want to delay boot */
919 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
920 "wm8958_mbc.wfw", component->dev, GFP_KERNEL,
921 component, wm8958_mbc_loaded);
922 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
923 "wm8958_mbc_vss.wfw", component->dev, GFP_KERNEL,
924 component, wm8958_mbc_vss_loaded);
925 request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
926 "wm8958_enh_eq.wfw", component->dev, GFP_KERNEL,
927 component, wm8958_enh_eq_loaded);
928
929 if (pdata->num_mbc_cfgs) {
930 struct snd_kcontrol_new control[] = {
931 SOC_ENUM_EXT("MBC Mode", wm8994->mbc_enum,
932 wm8958_get_mbc_enum, wm8958_put_mbc_enum),
933 };
934
935 /* We need an array of texts for the enum API */
936 wm8994->mbc_texts = kmalloc_array(pdata->num_mbc_cfgs,
937 sizeof(char *),
938 GFP_KERNEL);
939 if (!wm8994->mbc_texts)
940 return;
941
942 for (i = 0; i < pdata->num_mbc_cfgs; i++)
943 wm8994->mbc_texts[i] = pdata->mbc_cfgs[i].name;
944
945 wm8994->mbc_enum.items = pdata->num_mbc_cfgs;
946 wm8994->mbc_enum.texts = wm8994->mbc_texts;
947
948 ret = snd_soc_add_component_controls(wm8994->hubs.component,
949 control, 1);
950 if (ret != 0)
951 dev_err(wm8994->hubs.component->dev,
952 "Failed to add MBC mode controls: %d\n", ret);
953 }
954
955 if (pdata->num_vss_cfgs) {
956 struct snd_kcontrol_new control[] = {
957 SOC_ENUM_EXT("VSS Mode", wm8994->vss_enum,
958 wm8958_get_vss_enum, wm8958_put_vss_enum),
959 };
960
961 /* We need an array of texts for the enum API */
962 wm8994->vss_texts = kmalloc_array(pdata->num_vss_cfgs,
963 sizeof(char *),
964 GFP_KERNEL);
965 if (!wm8994->vss_texts)
966 return;
967
968 for (i = 0; i < pdata->num_vss_cfgs; i++)
969 wm8994->vss_texts[i] = pdata->vss_cfgs[i].name;
970
971 wm8994->vss_enum.items = pdata->num_vss_cfgs;
972 wm8994->vss_enum.texts = wm8994->vss_texts;
973
974 ret = snd_soc_add_component_controls(wm8994->hubs.component,
975 control, 1);
976 if (ret != 0)
977 dev_err(wm8994->hubs.component->dev,
978 "Failed to add VSS mode controls: %d\n", ret);
979 }
980
981 if (pdata->num_vss_hpf_cfgs) {
982 struct snd_kcontrol_new control[] = {
983 SOC_ENUM_EXT("VSS HPF Mode", wm8994->vss_hpf_enum,
984 wm8958_get_vss_hpf_enum,
985 wm8958_put_vss_hpf_enum),
986 };
987
988 /* We need an array of texts for the enum API */
989 wm8994->vss_hpf_texts = kmalloc_array(pdata->num_vss_hpf_cfgs,
990 sizeof(char *),
991 GFP_KERNEL);
992 if (!wm8994->vss_hpf_texts)
993 return;
994
995 for (i = 0; i < pdata->num_vss_hpf_cfgs; i++)
996 wm8994->vss_hpf_texts[i] = pdata->vss_hpf_cfgs[i].name;
997
998 wm8994->vss_hpf_enum.items = pdata->num_vss_hpf_cfgs;
999 wm8994->vss_hpf_enum.texts = wm8994->vss_hpf_texts;
1000
1001 ret = snd_soc_add_component_controls(wm8994->hubs.component,
1002 control, 1);
1003 if (ret != 0)
1004 dev_err(wm8994->hubs.component->dev,
1005 "Failed to add VSS HPFmode controls: %d\n",
1006 ret);
1007 }
1008
1009 if (pdata->num_enh_eq_cfgs) {
1010 struct snd_kcontrol_new control[] = {
1011 SOC_ENUM_EXT("Enhanced EQ Mode", wm8994->enh_eq_enum,
1012 wm8958_get_enh_eq_enum,
1013 wm8958_put_enh_eq_enum),
1014 };
1015
1016 /* We need an array of texts for the enum API */
1017 wm8994->enh_eq_texts = kmalloc_array(pdata->num_enh_eq_cfgs,
1018 sizeof(char *),
1019 GFP_KERNEL);
1020 if (!wm8994->enh_eq_texts)
1021 return;
1022
1023 for (i = 0; i < pdata->num_enh_eq_cfgs; i++)
1024 wm8994->enh_eq_texts[i] = pdata->enh_eq_cfgs[i].name;
1025
1026 wm8994->enh_eq_enum.items = pdata->num_enh_eq_cfgs;
1027 wm8994->enh_eq_enum.texts = wm8994->enh_eq_texts;
1028
1029 ret = snd_soc_add_component_controls(wm8994->hubs.component,
1030 control, 1);
1031 if (ret != 0)
1032 dev_err(wm8994->hubs.component->dev,
1033 "Failed to add enhanced EQ controls: %d\n",
1034 ret);
1035 }
1036 }
1037