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8#include <linux/clk.h>
9#include <linux/dmi.h>
10#include <linux/i2c.h>
11#include <linux/input.h>
12#include <linux/module.h>
13#include <linux/platform_device.h>
14#include <linux/types.h>
15#include <sound/core.h>
16#include <sound/jack.h>
17#include <sound/pcm.h>
18#include <sound/pcm_params.h>
19#include <sound/soc.h>
20#include <sound/soc-acpi.h>
21#include "../../codecs/pcm512x.h"
22#include "../common/soc-intel-quirks.h"
23#include "hda_dsp_common.h"
24
25#define NAME_SIZE 32
26
27#define SOF_PCM512X_SSP_CODEC(quirk) ((quirk) & GENMASK(3, 0))
28#define SOF_PCM512X_SSP_CODEC_MASK (GENMASK(3, 0))
29#define SOF_PCM512X_ENABLE_SSP_CAPTURE BIT(4)
30#define SOF_PCM512X_ENABLE_DMIC BIT(5)
31
32#define IDISP_CODEC_MASK 0x4
33
34
35static unsigned long sof_pcm512x_quirk =
36 SOF_PCM512X_SSP_CODEC(5) |
37 SOF_PCM512X_ENABLE_SSP_CAPTURE |
38 SOF_PCM512X_ENABLE_DMIC;
39
40static bool is_legacy_cpu;
41
42struct sof_hdmi_pcm {
43 struct list_head head;
44 struct snd_soc_dai *codec_dai;
45 int device;
46};
47
48struct sof_card_private {
49 struct list_head hdmi_pcm_list;
50 bool idisp_codec;
51};
52
53static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id)
54{
55 sof_pcm512x_quirk = (unsigned long)id->driver_data;
56 return 1;
57}
58
59static const struct dmi_system_id sof_pcm512x_quirk_table[] = {
60 {
61 .callback = sof_pcm512x_quirk_cb,
62 .matches = {
63 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
64 DMI_MATCH(DMI_PRODUCT_NAME, "UP-CHT01"),
65 },
66 .driver_data = (void *)(SOF_PCM512X_SSP_CODEC(2)),
67 },
68 {}
69};
70
71static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
72{
73 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
74 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
75 struct sof_hdmi_pcm *pcm;
76
77 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
78 if (!pcm)
79 return -ENOMEM;
80
81
82 pcm->device = rtd->dai_link->id;
83 pcm->codec_dai = dai;
84
85 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
86
87 return 0;
88}
89
90static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd)
91{
92 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
93
94 snd_soc_component_update_bits(codec, PCM512x_GPIO_EN, 0x08, 0x08);
95 snd_soc_component_update_bits(codec, PCM512x_GPIO_OUTPUT_4, 0x0f, 0x02);
96 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
97 0x08, 0x08);
98
99 return 0;
100}
101
102static int aif1_startup(struct snd_pcm_substream *substream)
103{
104 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
105 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
106
107 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
108 0x08, 0x08);
109
110 return 0;
111}
112
113static void aif1_shutdown(struct snd_pcm_substream *substream)
114{
115 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
116 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
117
118 snd_soc_component_update_bits(codec, PCM512x_GPIO_CONTROL_1,
119 0x08, 0x00);
120}
121
122static const struct snd_soc_ops sof_pcm512x_ops = {
123 .startup = aif1_startup,
124 .shutdown = aif1_shutdown,
125};
126
127static struct snd_soc_dai_link_component platform_component[] = {
128 {
129
130 .name = "0000:00:1f.3"
131 }
132};
133
134static int sof_card_late_probe(struct snd_soc_card *card)
135{
136 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
137 struct sof_hdmi_pcm *pcm;
138
139
140 if (is_legacy_cpu)
141 return 0;
142
143 if (list_empty(&ctx->hdmi_pcm_list))
144 return -EINVAL;
145
146 if (!ctx->idisp_codec)
147 return 0;
148
149 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
150
151 return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
152}
153
154static const struct snd_kcontrol_new sof_controls[] = {
155 SOC_DAPM_PIN_SWITCH("Ext Spk"),
156};
157
158static const struct snd_soc_dapm_widget sof_widgets[] = {
159 SND_SOC_DAPM_SPK("Ext Spk", NULL),
160};
161
162static const struct snd_soc_dapm_widget dmic_widgets[] = {
163 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
164};
165
166static const struct snd_soc_dapm_route sof_map[] = {
167
168 {"Ext Spk", NULL, "OUTR"},
169 {"Ext Spk", NULL, "OUTL"},
170};
171
172static const struct snd_soc_dapm_route dmic_map[] = {
173
174 {"DMic", NULL, "SoC DMIC"},
175};
176
177static int dmic_init(struct snd_soc_pcm_runtime *rtd)
178{
179 struct snd_soc_card *card = rtd->card;
180 int ret;
181
182 ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
183 ARRAY_SIZE(dmic_widgets));
184 if (ret) {
185 dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
186
187 return ret;
188 }
189
190 ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
191 ARRAY_SIZE(dmic_map));
192
193 if (ret)
194 dev_err(card->dev, "DMic map addition failed: %d\n", ret);
195
196 return ret;
197}
198
199
200static struct snd_soc_card sof_audio_card_pcm512x = {
201 .name = "pcm512x",
202 .owner = THIS_MODULE,
203 .controls = sof_controls,
204 .num_controls = ARRAY_SIZE(sof_controls),
205 .dapm_widgets = sof_widgets,
206 .num_dapm_widgets = ARRAY_SIZE(sof_widgets),
207 .dapm_routes = sof_map,
208 .num_dapm_routes = ARRAY_SIZE(sof_map),
209 .fully_routed = true,
210 .late_probe = sof_card_late_probe,
211};
212
213SND_SOC_DAILINK_DEF(pcm512x_component,
214 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-104C5122:00", "pcm512x-hifi")));
215SND_SOC_DAILINK_DEF(dmic_component,
216 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
217
218static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
219 int ssp_codec,
220 int dmic_be_num,
221 int hdmi_num,
222 bool idisp_codec)
223{
224 struct snd_soc_dai_link_component *idisp_components;
225 struct snd_soc_dai_link_component *cpus;
226 struct snd_soc_dai_link *links;
227 int i, id = 0;
228
229 links = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
230 sizeof(struct snd_soc_dai_link), GFP_KERNEL);
231 cpus = devm_kcalloc(dev, sof_audio_card_pcm512x.num_links,
232 sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
233 if (!links || !cpus)
234 goto devm_err;
235
236
237 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
238 "SSP%d-Codec", ssp_codec);
239 if (!links[id].name)
240 goto devm_err;
241
242 links[id].id = id;
243 links[id].codecs = pcm512x_component;
244 links[id].num_codecs = ARRAY_SIZE(pcm512x_component);
245 links[id].platforms = platform_component;
246 links[id].num_platforms = ARRAY_SIZE(platform_component);
247 links[id].init = sof_pcm512x_codec_init;
248 links[id].ops = &sof_pcm512x_ops;
249 links[id].dpcm_playback = 1;
250
251
252
253 if (sof_pcm512x_quirk & SOF_PCM512X_ENABLE_SSP_CAPTURE)
254 links[id].dpcm_capture = 1;
255 links[id].no_pcm = 1;
256 links[id].cpus = &cpus[id];
257 links[id].num_cpus = 1;
258 if (is_legacy_cpu) {
259 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
260 "ssp%d-port",
261 ssp_codec);
262 if (!links[id].cpus->dai_name)
263 goto devm_err;
264 } else {
265 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
266 "SSP%d Pin",
267 ssp_codec);
268 if (!links[id].cpus->dai_name)
269 goto devm_err;
270 }
271 id++;
272
273
274 if (dmic_be_num > 0) {
275
276 links[id].name = "dmic01";
277 links[id].cpus = &cpus[id];
278 links[id].cpus->dai_name = "DMIC01 Pin";
279 links[id].init = dmic_init;
280 if (dmic_be_num > 1) {
281
282 links[id + 1].name = "dmic16k";
283 links[id + 1].cpus = &cpus[id + 1];
284 links[id + 1].cpus->dai_name = "DMIC16k Pin";
285 dmic_be_num = 2;
286 }
287 }
288
289 for (i = 0; i < dmic_be_num; i++) {
290 links[id].id = id;
291 links[id].num_cpus = 1;
292 links[id].codecs = dmic_component;
293 links[id].num_codecs = ARRAY_SIZE(dmic_component);
294 links[id].platforms = platform_component;
295 links[id].num_platforms = ARRAY_SIZE(platform_component);
296 links[id].ignore_suspend = 1;
297 links[id].dpcm_capture = 1;
298 links[id].no_pcm = 1;
299 id++;
300 }
301
302
303 if (hdmi_num > 0) {
304 idisp_components = devm_kcalloc(dev, hdmi_num,
305 sizeof(struct snd_soc_dai_link_component),
306 GFP_KERNEL);
307 if (!idisp_components)
308 goto devm_err;
309 }
310 for (i = 1; i <= hdmi_num; i++) {
311 links[id].name = devm_kasprintf(dev, GFP_KERNEL,
312 "iDisp%d", i);
313 if (!links[id].name)
314 goto devm_err;
315
316 links[id].id = id;
317 links[id].cpus = &cpus[id];
318 links[id].num_cpus = 1;
319 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
320 "iDisp%d Pin", i);
321 if (!links[id].cpus->dai_name)
322 goto devm_err;
323
324
325
326
327
328 if (idisp_codec) {
329 idisp_components[i - 1].name = "ehdaudio0D2";
330 idisp_components[i - 1].dai_name =
331 devm_kasprintf(dev, GFP_KERNEL,
332 "intel-hdmi-hifi%d", i);
333 } else {
334 idisp_components[i - 1].name = "snd-soc-dummy";
335 idisp_components[i - 1].dai_name = "snd-soc-dummy-dai";
336 }
337 if (!idisp_components[i - 1].dai_name)
338 goto devm_err;
339
340 links[id].codecs = &idisp_components[i - 1];
341 links[id].num_codecs = 1;
342 links[id].platforms = platform_component;
343 links[id].num_platforms = ARRAY_SIZE(platform_component);
344 links[id].init = sof_hdmi_init;
345 links[id].dpcm_playback = 1;
346 links[id].no_pcm = 1;
347 id++;
348 }
349
350 return links;
351devm_err:
352 return NULL;
353}
354
355static int sof_audio_probe(struct platform_device *pdev)
356{
357 struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
358 struct snd_soc_dai_link *dai_links;
359 struct sof_card_private *ctx;
360 int dmic_be_num, hdmi_num;
361 int ret, ssp_codec;
362
363 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
364 if (!ctx)
365 return -ENOMEM;
366
367 hdmi_num = 0;
368 if (soc_intel_is_byt() || soc_intel_is_cht()) {
369 is_legacy_cpu = true;
370 dmic_be_num = 0;
371
372 sof_pcm512x_quirk = SOF_PCM512X_SSP_CODEC(2);
373 } else {
374 dmic_be_num = 2;
375 if (mach->mach_params.common_hdmi_codec_drv &&
376 (mach->mach_params.codec_mask & IDISP_CODEC_MASK))
377 ctx->idisp_codec = true;
378
379
380 hdmi_num = 3;
381 }
382
383 dmi_check_system(sof_pcm512x_quirk_table);
384
385 dev_dbg(&pdev->dev, "sof_pcm512x_quirk = %lx\n", sof_pcm512x_quirk);
386
387 ssp_codec = sof_pcm512x_quirk & SOF_PCM512X_SSP_CODEC_MASK;
388
389 if (!(sof_pcm512x_quirk & SOF_PCM512X_ENABLE_DMIC))
390 dmic_be_num = 0;
391
392
393 sof_audio_card_pcm512x.num_links = 1 + dmic_be_num + hdmi_num;
394
395 dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec,
396 dmic_be_num, hdmi_num,
397 ctx->idisp_codec);
398 if (!dai_links)
399 return -ENOMEM;
400
401 sof_audio_card_pcm512x.dai_link = dai_links;
402
403 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
404
405 sof_audio_card_pcm512x.dev = &pdev->dev;
406
407
408 ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_pcm512x,
409 mach->mach_params.platform);
410 if (ret)
411 return ret;
412
413 snd_soc_card_set_drvdata(&sof_audio_card_pcm512x, ctx);
414
415 return devm_snd_soc_register_card(&pdev->dev,
416 &sof_audio_card_pcm512x);
417}
418
419static int sof_pcm512x_remove(struct platform_device *pdev)
420{
421 struct snd_soc_card *card = platform_get_drvdata(pdev);
422 struct snd_soc_component *component = NULL;
423
424 for_each_card_components(card, component) {
425 if (!strcmp(component->name, pcm512x_component[0].name)) {
426 snd_soc_component_set_jack(component, NULL, NULL);
427 break;
428 }
429 }
430
431 return 0;
432}
433
434static struct platform_driver sof_audio = {
435 .probe = sof_audio_probe,
436 .remove = sof_pcm512x_remove,
437 .driver = {
438 .name = "sof_pcm512x",
439 .pm = &snd_soc_pm_ops,
440 },
441};
442module_platform_driver(sof_audio)
443
444MODULE_DESCRIPTION("ASoC Intel(R) SOF + PCM512x Machine driver");
445MODULE_AUTHOR("Pierre-Louis Bossart");
446MODULE_LICENSE("GPL v2");
447MODULE_ALIAS("platform:sof_pcm512x");
448MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
449