1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2020 Intel Corporation. All rights reserved.
4 #include <linux/module.h>
5 #include <linux/string.h>
6 #include <sound/pcm.h>
7 #include <sound/pcm_params.h>
8 #include <sound/soc.h>
9 #include <sound/soc-acpi.h>
10 #include <sound/soc-dai.h>
11 #include <sound/soc-dapm.h>
12 #include <uapi/sound/asound.h>
13 #include "sof_maxim_common.h"
14
15 /* helper function to get the number of specific codec */
get_num_codecs(const char * hid)16 static unsigned int get_num_codecs(const char *hid)
17 {
18 struct acpi_device *adev;
19 unsigned int dev_num = 0;
20
21 for_each_acpi_dev_match(adev, hid, NULL, -1)
22 dev_num++;
23
24 return dev_num;
25 }
26
27 #define MAX_98373_PIN_NAME 16
28
29 const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
30 /* speaker */
31 { "Left Spk", NULL, "Left BE_OUT" },
32 { "Right Spk", NULL, "Right BE_OUT" },
33 };
34 EXPORT_SYMBOL_NS(max_98373_dapm_routes, SND_SOC_INTEL_SOF_MAXIM_COMMON);
35
36 static struct snd_soc_codec_conf max_98373_codec_conf[] = {
37 {
38 .dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
39 .name_prefix = "Right",
40 },
41 {
42 .dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
43 .name_prefix = "Left",
44 },
45 };
46
47 struct snd_soc_dai_link_component max_98373_components[] = {
48 { /* For Right */
49 .name = MAX_98373_DEV0_NAME,
50 .dai_name = MAX_98373_CODEC_DAI,
51 },
52 { /* For Left */
53 .name = MAX_98373_DEV1_NAME,
54 .dai_name = MAX_98373_CODEC_DAI,
55 },
56 };
57 EXPORT_SYMBOL_NS(max_98373_components, SND_SOC_INTEL_SOF_MAXIM_COMMON);
58
max_98373_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)59 static int max_98373_hw_params(struct snd_pcm_substream *substream,
60 struct snd_pcm_hw_params *params)
61 {
62 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
63 struct snd_soc_dai *codec_dai;
64 int j;
65
66 for_each_rtd_codec_dais(rtd, j, codec_dai) {
67 if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
68 /* DEV0 tdm slot configuration */
69 snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32);
70 }
71 if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
72 /* DEV1 tdm slot configuration */
73 snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32);
74 }
75 }
76 return 0;
77 }
78
max_98373_trigger(struct snd_pcm_substream * substream,int cmd)79 int max_98373_trigger(struct snd_pcm_substream *substream, int cmd)
80 {
81 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
82 struct snd_soc_dai *codec_dai;
83 struct snd_soc_dai *cpu_dai;
84 int j;
85 int ret = 0;
86
87 /* set spk pin by playback only */
88 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
89 return 0;
90
91 cpu_dai = asoc_rtd_to_cpu(rtd, 0);
92 for_each_rtd_codec_dais(rtd, j, codec_dai) {
93 struct snd_soc_dapm_context *dapm =
94 snd_soc_component_get_dapm(cpu_dai->component);
95 char pin_name[MAX_98373_PIN_NAME];
96
97 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
98 codec_dai->component->name_prefix);
99
100 switch (cmd) {
101 case SNDRV_PCM_TRIGGER_START:
102 case SNDRV_PCM_TRIGGER_RESUME:
103 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
104 ret = snd_soc_dapm_enable_pin(dapm, pin_name);
105 if (!ret)
106 snd_soc_dapm_sync(dapm);
107 break;
108 case SNDRV_PCM_TRIGGER_STOP:
109 case SNDRV_PCM_TRIGGER_SUSPEND:
110 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
111 ret = snd_soc_dapm_disable_pin(dapm, pin_name);
112 if (!ret)
113 snd_soc_dapm_sync(dapm);
114 break;
115 default:
116 break;
117 }
118 }
119
120 return ret;
121 }
122 EXPORT_SYMBOL_NS(max_98373_trigger, SND_SOC_INTEL_SOF_MAXIM_COMMON);
123
124 struct snd_soc_ops max_98373_ops = {
125 .hw_params = max_98373_hw_params,
126 .trigger = max_98373_trigger,
127 };
128 EXPORT_SYMBOL_NS(max_98373_ops, SND_SOC_INTEL_SOF_MAXIM_COMMON);
129
max_98373_spk_codec_init(struct snd_soc_pcm_runtime * rtd)130 int max_98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
131 {
132 struct snd_soc_card *card = rtd->card;
133 int ret;
134
135 ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
136 ARRAY_SIZE(max_98373_dapm_routes));
137 if (ret)
138 dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
139 return ret;
140 }
141 EXPORT_SYMBOL_NS(max_98373_spk_codec_init, SND_SOC_INTEL_SOF_MAXIM_COMMON);
142
max_98373_set_codec_conf(struct snd_soc_card * card)143 void max_98373_set_codec_conf(struct snd_soc_card *card)
144 {
145 card->codec_conf = max_98373_codec_conf;
146 card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
147 }
148 EXPORT_SYMBOL_NS(max_98373_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
149
150 /*
151 * Maxim MAX98390
152 */
153 static const struct snd_soc_dapm_route max_98390_dapm_routes[] = {
154 /* speaker */
155 { "Left Spk", NULL, "Left BE_OUT" },
156 { "Right Spk", NULL, "Right BE_OUT" },
157 };
158
159 static const struct snd_kcontrol_new max_98390_tt_kcontrols[] = {
160 SOC_DAPM_PIN_SWITCH("TL Spk"),
161 SOC_DAPM_PIN_SWITCH("TR Spk"),
162 };
163
164 static const struct snd_soc_dapm_widget max_98390_tt_dapm_widgets[] = {
165 SND_SOC_DAPM_SPK("TL Spk", NULL),
166 SND_SOC_DAPM_SPK("TR Spk", NULL),
167 };
168
169 static const struct snd_soc_dapm_route max_98390_tt_dapm_routes[] = {
170 /* Tweeter speaker */
171 { "TL Spk", NULL, "Tweeter Left BE_OUT" },
172 { "TR Spk", NULL, "Tweeter Right BE_OUT" },
173 };
174
175 static struct snd_soc_codec_conf max_98390_codec_conf[] = {
176 {
177 .dlc = COMP_CODEC_CONF(MAX_98390_DEV0_NAME),
178 .name_prefix = "Right",
179 },
180 {
181 .dlc = COMP_CODEC_CONF(MAX_98390_DEV1_NAME),
182 .name_prefix = "Left",
183 },
184 {
185 .dlc = COMP_CODEC_CONF(MAX_98390_DEV2_NAME),
186 .name_prefix = "Tweeter Right",
187 },
188 {
189 .dlc = COMP_CODEC_CONF(MAX_98390_DEV3_NAME),
190 .name_prefix = "Tweeter Left",
191 },
192 };
193
194 static struct snd_soc_dai_link_component max_98390_components[] = {
195 {
196 .name = MAX_98390_DEV0_NAME,
197 .dai_name = MAX_98390_CODEC_DAI,
198 },
199 {
200 .name = MAX_98390_DEV1_NAME,
201 .dai_name = MAX_98390_CODEC_DAI,
202 },
203 {
204 .name = MAX_98390_DEV2_NAME,
205 .dai_name = MAX_98390_CODEC_DAI,
206 },
207 {
208 .name = MAX_98390_DEV3_NAME,
209 .dai_name = MAX_98390_CODEC_DAI,
210 },
211 };
212
213 static const struct {
214 unsigned int tx;
215 unsigned int rx;
216 } max_98390_tdm_mask[] = {
217 {.tx = 0x01, .rx = 0x3},
218 {.tx = 0x02, .rx = 0x3},
219 {.tx = 0x04, .rx = 0x3},
220 {.tx = 0x08, .rx = 0x3},
221 };
222
max_98390_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)223 static int max_98390_hw_params(struct snd_pcm_substream *substream,
224 struct snd_pcm_hw_params *params)
225 {
226 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
227 struct snd_soc_dai *codec_dai;
228 int i, ret;
229
230 for_each_rtd_codec_dais(rtd, i, codec_dai) {
231 if (i >= ARRAY_SIZE(max_98390_tdm_mask)) {
232 dev_err(codec_dai->dev, "invalid codec index %d\n", i);
233 return -ENODEV;
234 }
235
236 ret = snd_soc_dai_set_tdm_slot(codec_dai, max_98390_tdm_mask[i].tx,
237 max_98390_tdm_mask[i].rx, 4,
238 params_width(params));
239 if (ret < 0) {
240 dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
241 ret);
242 return ret;
243 }
244 }
245 return 0;
246 }
247
max_98390_init(struct snd_soc_pcm_runtime * rtd)248 static int max_98390_init(struct snd_soc_pcm_runtime *rtd)
249 {
250 struct snd_soc_card *card = rtd->card;
251 unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
252 int ret;
253
254 switch (num_codecs) {
255 case 4:
256 /* add widgets/controls/dapm for tweeter speakers */
257 ret = snd_soc_dapm_new_controls(&card->dapm, max_98390_tt_dapm_widgets,
258 ARRAY_SIZE(max_98390_tt_dapm_widgets));
259 if (ret) {
260 dev_err(rtd->dev, "unable to add tweeter dapm widgets, ret %d\n",
261 ret);
262 /* Don't need to add routes if widget addition failed */
263 return ret;
264 }
265
266 ret = snd_soc_add_card_controls(card, max_98390_tt_kcontrols,
267 ARRAY_SIZE(max_98390_tt_kcontrols));
268 if (ret) {
269 dev_err(rtd->dev, "unable to add tweeter controls, ret %d\n",
270 ret);
271 return ret;
272 }
273
274 ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_tt_dapm_routes,
275 ARRAY_SIZE(max_98390_tt_dapm_routes));
276 if (ret) {
277 dev_err(rtd->dev, "unable to add tweeter dapm routes, ret %d\n",
278 ret);
279 return ret;
280 }
281
282 fallthrough;
283 case 2:
284 /* add regular speakers dapm route */
285 ret = snd_soc_dapm_add_routes(&card->dapm, max_98390_dapm_routes,
286 ARRAY_SIZE(max_98390_dapm_routes));
287 if (ret) {
288 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n",
289 ret);
290 return ret;
291 }
292 break;
293 default:
294 dev_err(rtd->dev, "invalid codec number %d\n", num_codecs);
295 return -EINVAL;
296 }
297
298 return ret;
299 }
300
301 static const struct snd_soc_ops max_98390_ops = {
302 .hw_params = max_98390_hw_params,
303 };
304
max_98390_dai_link(struct device * dev,struct snd_soc_dai_link * link)305 void max_98390_dai_link(struct device *dev, struct snd_soc_dai_link *link)
306 {
307 unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
308
309 link->codecs = max_98390_components;
310
311 switch (num_codecs) {
312 case 2:
313 case 4:
314 link->num_codecs = num_codecs;
315 break;
316 default:
317 dev_err(dev, "invalid codec number %d for %s\n", num_codecs,
318 MAX_98390_ACPI_HID);
319 break;
320 }
321
322 link->init = max_98390_init;
323 link->ops = &max_98390_ops;
324 }
325 EXPORT_SYMBOL_NS(max_98390_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
326
max_98390_set_codec_conf(struct device * dev,struct snd_soc_card * card)327 void max_98390_set_codec_conf(struct device *dev, struct snd_soc_card *card)
328 {
329 unsigned int num_codecs = get_num_codecs(MAX_98390_ACPI_HID);
330
331 card->codec_conf = max_98390_codec_conf;
332
333 switch (num_codecs) {
334 case 2:
335 case 4:
336 card->num_configs = num_codecs;
337 break;
338 default:
339 dev_err(dev, "invalid codec number %d for %s\n", num_codecs,
340 MAX_98390_ACPI_HID);
341 break;
342 }
343 }
344 EXPORT_SYMBOL_NS(max_98390_set_codec_conf, SND_SOC_INTEL_SOF_MAXIM_COMMON);
345
346 /*
347 * Maxim MAX98357A/MAX98360A
348 */
349 static const struct snd_kcontrol_new max_98357a_kcontrols[] = {
350 SOC_DAPM_PIN_SWITCH("Spk"),
351 };
352
353 static const struct snd_soc_dapm_widget max_98357a_dapm_widgets[] = {
354 SND_SOC_DAPM_SPK("Spk", NULL),
355 };
356
357 static const struct snd_soc_dapm_route max_98357a_dapm_routes[] = {
358 /* speaker */
359 {"Spk", NULL, "Speaker"},
360 };
361
362 static struct snd_soc_dai_link_component max_98357a_components[] = {
363 {
364 .name = MAX_98357A_DEV0_NAME,
365 .dai_name = MAX_98357A_CODEC_DAI,
366 }
367 };
368
369 static struct snd_soc_dai_link_component max_98360a_components[] = {
370 {
371 .name = MAX_98360A_DEV0_NAME,
372 .dai_name = MAX_98357A_CODEC_DAI,
373 }
374 };
375
max_98357a_init(struct snd_soc_pcm_runtime * rtd)376 static int max_98357a_init(struct snd_soc_pcm_runtime *rtd)
377 {
378 struct snd_soc_card *card = rtd->card;
379 int ret;
380
381 ret = snd_soc_dapm_new_controls(&card->dapm, max_98357a_dapm_widgets,
382 ARRAY_SIZE(max_98357a_dapm_widgets));
383 if (ret) {
384 dev_err(rtd->dev, "unable to add dapm controls, ret %d\n", ret);
385 /* Don't need to add routes if widget addition failed */
386 return ret;
387 }
388
389 ret = snd_soc_add_card_controls(card, max_98357a_kcontrols,
390 ARRAY_SIZE(max_98357a_kcontrols));
391 if (ret) {
392 dev_err(rtd->dev, "unable to add card controls, ret %d\n", ret);
393 return ret;
394 }
395
396 ret = snd_soc_dapm_add_routes(&card->dapm, max_98357a_dapm_routes,
397 ARRAY_SIZE(max_98357a_dapm_routes));
398
399 if (ret)
400 dev_err(rtd->dev, "unable to add dapm routes, ret %d\n", ret);
401
402 return ret;
403 }
404
max_98357a_dai_link(struct snd_soc_dai_link * link)405 void max_98357a_dai_link(struct snd_soc_dai_link *link)
406 {
407 link->codecs = max_98357a_components;
408 link->num_codecs = ARRAY_SIZE(max_98357a_components);
409 link->init = max_98357a_init;
410 }
411 EXPORT_SYMBOL_NS(max_98357a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
412
max_98360a_dai_link(struct snd_soc_dai_link * link)413 void max_98360a_dai_link(struct snd_soc_dai_link *link)
414 {
415 link->codecs = max_98360a_components;
416 link->num_codecs = ARRAY_SIZE(max_98360a_components);
417 link->init = max_98357a_init;
418 }
419 EXPORT_SYMBOL_NS(max_98360a_dai_link, SND_SOC_INTEL_SOF_MAXIM_COMMON);
420
421 MODULE_DESCRIPTION("ASoC Intel SOF Maxim helpers");
422 MODULE_LICENSE("GPL");
423