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