1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2022 Intel Corporation. All rights reserved.
4
5 /*
6 * sof_ssp_amp.c - ASoc Machine driver for Intel platforms
7 * with RT1308/CS35L41 codec.
8 */
9
10 #include <linux/acpi.h>
11 #include <linux/delay.h>
12 #include <linux/dmi.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.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/sof.h>
20 #include "../../codecs/hdac_hdmi.h"
21 #include "hda_dsp_common.h"
22 #include "sof_realtek_common.h"
23 #include "sof_cirrus_common.h"
24
25 #define NAME_SIZE 32
26
27 /* SSP port ID for speaker amplifier */
28 #define SOF_AMPLIFIER_SSP(quirk) ((quirk) & GENMASK(3, 0))
29 #define SOF_AMPLIFIER_SSP_MASK (GENMASK(3, 0))
30
31 /* HDMI capture*/
32 #define SOF_SSP_HDMI_CAPTURE_PRESENT BIT(4)
33 #define SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT 5
34 #define SOF_NO_OF_HDMI_CAPTURE_SSP_MASK (GENMASK(6, 5))
35 #define SOF_NO_OF_HDMI_CAPTURE_SSP(quirk) \
36 (((quirk) << SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT) & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK)
37
38 #define SOF_HDMI_CAPTURE_1_SSP_SHIFT 7
39 #define SOF_HDMI_CAPTURE_1_SSP_MASK (GENMASK(9, 7))
40 #define SOF_HDMI_CAPTURE_1_SSP(quirk) \
41 (((quirk) << SOF_HDMI_CAPTURE_1_SSP_SHIFT) & SOF_HDMI_CAPTURE_1_SSP_MASK)
42
43 #define SOF_HDMI_CAPTURE_2_SSP_SHIFT 10
44 #define SOF_HDMI_CAPTURE_2_SSP_MASK (GENMASK(12, 10))
45 #define SOF_HDMI_CAPTURE_2_SSP(quirk) \
46 (((quirk) << SOF_HDMI_CAPTURE_2_SSP_SHIFT) & SOF_HDMI_CAPTURE_2_SSP_MASK)
47
48 /* HDMI playback */
49 #define SOF_HDMI_PLAYBACK_PRESENT BIT(13)
50 #define SOF_NO_OF_HDMI_PLAYBACK_SHIFT 14
51 #define SOF_NO_OF_HDMI_PLAYBACK_MASK (GENMASK(16, 14))
52 #define SOF_NO_OF_HDMI_PLAYBACK(quirk) \
53 (((quirk) << SOF_NO_OF_HDMI_PLAYBACK_SHIFT) & SOF_NO_OF_HDMI_PLAYBACK_MASK)
54
55 /* BT audio offload */
56 #define SOF_SSP_BT_OFFLOAD_PRESENT BIT(17)
57 #define SOF_BT_OFFLOAD_SSP_SHIFT 18
58 #define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(20, 18))
59 #define SOF_BT_OFFLOAD_SSP(quirk) \
60 (((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
61
62 /* Speaker amplifiers */
63 #define SOF_RT1308_SPEAKER_AMP_PRESENT BIT(21)
64 #define SOF_CS35L41_SPEAKER_AMP_PRESENT BIT(22)
65
66 /* Default: SSP2 */
67 static unsigned long sof_ssp_amp_quirk = SOF_AMPLIFIER_SSP(2);
68
69 struct sof_hdmi_pcm {
70 struct list_head head;
71 struct snd_soc_jack sof_hdmi;
72 struct snd_soc_dai *codec_dai;
73 int device;
74 };
75
76 struct sof_card_private {
77 struct list_head hdmi_pcm_list;
78 bool common_hdmi_codec_drv;
79 bool idisp_codec;
80 };
81
82 static const struct dmi_system_id chromebook_platforms[] = {
83 {
84 .ident = "Google Chromebooks",
85 .matches = {
86 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
87 }
88 },
89 {},
90 };
91
92 static const struct snd_soc_dapm_widget sof_ssp_amp_dapm_widgets[] = {
93 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
94 };
95
96 static const struct snd_soc_dapm_route sof_ssp_amp_dapm_routes[] = {
97 /* digital mics */
98 {"DMic", NULL, "SoC DMIC"},
99 };
100
sof_card_late_probe(struct snd_soc_card * card)101 static int sof_card_late_probe(struct snd_soc_card *card)
102 {
103 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
104 struct snd_soc_component *component = NULL;
105 char jack_name[NAME_SIZE];
106 struct sof_hdmi_pcm *pcm;
107 int err;
108
109 if (!(sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT))
110 return 0;
111
112 /* HDMI is not supported by SOF on Baytrail/CherryTrail */
113 if (!ctx->idisp_codec)
114 return 0;
115
116 if (list_empty(&ctx->hdmi_pcm_list))
117 return -EINVAL;
118
119 if (ctx->common_hdmi_codec_drv) {
120 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
121 head);
122 component = pcm->codec_dai->component;
123 return hda_dsp_hdmi_build_controls(card, component);
124 }
125
126 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
127 component = pcm->codec_dai->component;
128 snprintf(jack_name, sizeof(jack_name),
129 "HDMI/DP, pcm=%d Jack", pcm->device);
130 err = snd_soc_card_jack_new(card, jack_name,
131 SND_JACK_AVOUT, &pcm->sof_hdmi);
132
133 if (err)
134 return err;
135
136 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
137 &pcm->sof_hdmi);
138 if (err < 0)
139 return err;
140 }
141
142 return hdac_hdmi_jack_port_init(component, &card->dapm);
143 }
144
145 static struct snd_soc_card sof_ssp_amp_card = {
146 .name = "ssp_amp",
147 .owner = THIS_MODULE,
148 .dapm_widgets = sof_ssp_amp_dapm_widgets,
149 .num_dapm_widgets = ARRAY_SIZE(sof_ssp_amp_dapm_widgets),
150 .dapm_routes = sof_ssp_amp_dapm_routes,
151 .num_dapm_routes = ARRAY_SIZE(sof_ssp_amp_dapm_routes),
152 .fully_routed = true,
153 .late_probe = sof_card_late_probe,
154 };
155
156 static struct snd_soc_dai_link_component platform_component[] = {
157 {
158 /* name might be overridden during probe */
159 .name = "0000:00:1f.3"
160 }
161 };
162
163 static struct snd_soc_dai_link_component dmic_component[] = {
164 {
165 .name = "dmic-codec",
166 .dai_name = "dmic-hifi",
167 }
168 };
169
sof_hdmi_init(struct snd_soc_pcm_runtime * rtd)170 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
171 {
172 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
173 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
174 struct sof_hdmi_pcm *pcm;
175
176 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
177 if (!pcm)
178 return -ENOMEM;
179
180 /* dai_link id is 1:1 mapped to the PCM device */
181 pcm->device = rtd->dai_link->id;
182 pcm->codec_dai = dai;
183
184 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
185
186 return 0;
187 }
188
189 #define IDISP_CODEC_MASK 0x4
190
sof_card_dai_links_create(struct device * dev,int ssp_codec,int dmic_be_num,int hdmi_num,bool idisp_codec)191 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
192 int ssp_codec,
193 int dmic_be_num,
194 int hdmi_num,
195 bool idisp_codec)
196 {
197 struct snd_soc_dai_link_component *idisp_components;
198 struct snd_soc_dai_link_component *cpus;
199 struct snd_soc_dai_link *links;
200 int i, id = 0;
201
202 links = devm_kcalloc(dev, sof_ssp_amp_card.num_links,
203 sizeof(struct snd_soc_dai_link), GFP_KERNEL);
204 cpus = devm_kcalloc(dev, sof_ssp_amp_card.num_links,
205 sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
206 if (!links || !cpus)
207 return NULL;
208
209 /* HDMI-In SSP */
210 if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT) {
211 int num_of_hdmi_ssp = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
212 SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;
213
214 for (i = 1; i <= num_of_hdmi_ssp; i++) {
215 int port = (i == 1 ? (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_1_SSP_MASK) >>
216 SOF_HDMI_CAPTURE_1_SSP_SHIFT :
217 (sof_ssp_amp_quirk & SOF_HDMI_CAPTURE_2_SSP_MASK) >>
218 SOF_HDMI_CAPTURE_2_SSP_SHIFT);
219
220 links[id].cpus = &cpus[id];
221 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
222 "SSP%d Pin", port);
223 if (!links[id].cpus->dai_name)
224 return NULL;
225 links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-HDMI", port);
226 if (!links[id].name)
227 return NULL;
228 links[id].id = id;
229 links[id].codecs = &asoc_dummy_dlc;
230 links[id].num_codecs = 1;
231 links[id].platforms = platform_component;
232 links[id].num_platforms = ARRAY_SIZE(platform_component);
233 links[id].dpcm_capture = 1;
234 links[id].no_pcm = 1;
235 links[id].num_cpus = 1;
236 id++;
237 }
238 }
239
240 /* codec SSP */
241 links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec);
242 if (!links[id].name)
243 return NULL;
244
245 links[id].id = id;
246 if (sof_ssp_amp_quirk & SOF_RT1308_SPEAKER_AMP_PRESENT) {
247 sof_rt1308_dai_link(&links[id]);
248 } else if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
249 cs35l41_set_dai_link(&links[id]);
250 }
251 links[id].platforms = platform_component;
252 links[id].num_platforms = ARRAY_SIZE(platform_component);
253 links[id].dpcm_playback = 1;
254 /* feedback from amplifier or firmware-generated echo reference */
255 links[id].dpcm_capture = 1;
256 links[id].no_pcm = 1;
257 links[id].cpus = &cpus[id];
258 links[id].num_cpus = 1;
259 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_codec);
260 if (!links[id].cpus->dai_name)
261 return NULL;
262
263 id++;
264
265 /* dmic */
266 if (dmic_be_num > 0) {
267 /* at least we have dmic01 */
268 links[id].name = "dmic01";
269 links[id].cpus = &cpus[id];
270 links[id].cpus->dai_name = "DMIC01 Pin";
271 if (dmic_be_num > 1) {
272 /* set up 2 BE links at most */
273 links[id + 1].name = "dmic16k";
274 links[id + 1].cpus = &cpus[id + 1];
275 links[id + 1].cpus->dai_name = "DMIC16k Pin";
276 dmic_be_num = 2;
277 }
278 }
279
280 for (i = 0; i < dmic_be_num; i++) {
281 links[id].id = id;
282 links[id].num_cpus = 1;
283 links[id].codecs = dmic_component;
284 links[id].num_codecs = ARRAY_SIZE(dmic_component);
285 links[id].platforms = platform_component;
286 links[id].num_platforms = ARRAY_SIZE(platform_component);
287 links[id].ignore_suspend = 1;
288 links[id].dpcm_capture = 1;
289 links[id].no_pcm = 1;
290 id++;
291 }
292
293 /* HDMI playback */
294 if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
295 /* HDMI */
296 if (hdmi_num > 0) {
297 idisp_components = devm_kcalloc(dev,
298 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 if (idisp_codec) {
319 idisp_components[i - 1].name = "ehdaudio0D2";
320 idisp_components[i - 1].dai_name = devm_kasprintf(dev,
321 GFP_KERNEL,
322 "intel-hdmi-hifi%d",
323 i);
324 if (!idisp_components[i - 1].dai_name)
325 goto devm_err;
326 } else {
327 idisp_components[i - 1] = asoc_dummy_dlc;
328 }
329
330 links[id].codecs = &idisp_components[i - 1];
331 links[id].num_codecs = 1;
332 links[id].platforms = platform_component;
333 links[id].num_platforms = ARRAY_SIZE(platform_component);
334 links[id].init = sof_hdmi_init;
335 links[id].dpcm_playback = 1;
336 links[id].no_pcm = 1;
337 id++;
338 }
339 }
340
341 /* BT audio offload */
342 if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
343 int port = (sof_ssp_amp_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
344 SOF_BT_OFFLOAD_SSP_SHIFT;
345
346 links[id].id = id;
347 links[id].cpus = &cpus[id];
348 links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
349 "SSP%d Pin", port);
350 if (!links[id].cpus->dai_name)
351 goto devm_err;
352 links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
353 if (!links[id].name)
354 goto devm_err;
355 links[id].codecs = &asoc_dummy_dlc;
356 links[id].num_codecs = 1;
357 links[id].platforms = platform_component;
358 links[id].num_platforms = ARRAY_SIZE(platform_component);
359 links[id].dpcm_playback = 1;
360 links[id].dpcm_capture = 1;
361 links[id].no_pcm = 1;
362 links[id].num_cpus = 1;
363 id++;
364 }
365
366 return links;
367 devm_err:
368 return NULL;
369 }
370
sof_ssp_amp_probe(struct platform_device * pdev)371 static int sof_ssp_amp_probe(struct platform_device *pdev)
372 {
373 struct snd_soc_dai_link *dai_links;
374 struct snd_soc_acpi_mach *mach;
375 struct sof_card_private *ctx;
376 int dmic_be_num = 0, hdmi_num = 0;
377 int ret, ssp_codec;
378
379 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
380 if (!ctx)
381 return -ENOMEM;
382
383 if (pdev->id_entry && pdev->id_entry->driver_data)
384 sof_ssp_amp_quirk = (unsigned long)pdev->id_entry->driver_data;
385
386 mach = pdev->dev.platform_data;
387
388 if (dmi_check_system(chromebook_platforms) || mach->mach_params.dmic_num > 0)
389 dmic_be_num = 2;
390
391 ssp_codec = sof_ssp_amp_quirk & SOF_AMPLIFIER_SSP_MASK;
392
393 /* set number of dai links */
394 sof_ssp_amp_card.num_links = 1 + dmic_be_num;
395
396 if (sof_ssp_amp_quirk & SOF_SSP_HDMI_CAPTURE_PRESENT)
397 sof_ssp_amp_card.num_links += (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
398 SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;
399
400 if (sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT) {
401 hdmi_num = (sof_ssp_amp_quirk & SOF_NO_OF_HDMI_PLAYBACK_MASK) >>
402 SOF_NO_OF_HDMI_PLAYBACK_SHIFT;
403 /* default number of HDMI DAI's */
404 if (!hdmi_num)
405 hdmi_num = 3;
406
407 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
408 ctx->idisp_codec = true;
409
410 sof_ssp_amp_card.num_links += hdmi_num;
411 }
412
413 if (sof_ssp_amp_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
414 sof_ssp_amp_card.num_links++;
415
416 dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, dmic_be_num, hdmi_num, ctx->idisp_codec);
417 if (!dai_links)
418 return -ENOMEM;
419
420 sof_ssp_amp_card.dai_link = dai_links;
421
422 /* update codec_conf */
423 if (sof_ssp_amp_quirk & SOF_CS35L41_SPEAKER_AMP_PRESENT) {
424 cs35l41_set_codec_conf(&sof_ssp_amp_card);
425 }
426
427 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
428
429 sof_ssp_amp_card.dev = &pdev->dev;
430
431 /* set platform name for each dailink */
432 ret = snd_soc_fixup_dai_links_platform_name(&sof_ssp_amp_card,
433 mach->mach_params.platform);
434 if (ret)
435 return ret;
436
437 ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;
438
439 snd_soc_card_set_drvdata(&sof_ssp_amp_card, ctx);
440
441 return devm_snd_soc_register_card(&pdev->dev, &sof_ssp_amp_card);
442 }
443
444 static const struct platform_device_id board_ids[] = {
445 {
446 .name = "sof_ssp_amp",
447 },
448 {
449 .name = "tgl_rt1308_hdmi_ssp",
450 .driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(2) |
451 SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
452 SOF_HDMI_CAPTURE_1_SSP(1) |
453 SOF_HDMI_CAPTURE_2_SSP(5) |
454 SOF_SSP_HDMI_CAPTURE_PRESENT |
455 SOF_RT1308_SPEAKER_AMP_PRESENT),
456 },
457 {
458 .name = "adl_cs35l41",
459 .driver_data = (kernel_ulong_t)(SOF_AMPLIFIER_SSP(1) |
460 SOF_NO_OF_HDMI_PLAYBACK(4) |
461 SOF_HDMI_PLAYBACK_PRESENT |
462 SOF_BT_OFFLOAD_SSP(2) |
463 SOF_SSP_BT_OFFLOAD_PRESENT |
464 SOF_CS35L41_SPEAKER_AMP_PRESENT),
465 },
466 {
467 .name = "adl_lt6911_hdmi_ssp",
468 .driver_data = (kernel_ulong_t)(SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
469 SOF_HDMI_CAPTURE_1_SSP(0) |
470 SOF_HDMI_CAPTURE_2_SSP(2) |
471 SOF_SSP_HDMI_CAPTURE_PRESENT |
472 SOF_NO_OF_HDMI_PLAYBACK(3) |
473 SOF_HDMI_PLAYBACK_PRESENT),
474 },
475 {
476 .name = "rpl_lt6911_hdmi_ssp",
477 .driver_data = (kernel_ulong_t)(SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
478 SOF_HDMI_CAPTURE_1_SSP(0) |
479 SOF_HDMI_CAPTURE_2_SSP(2) |
480 SOF_SSP_HDMI_CAPTURE_PRESENT |
481 SOF_NO_OF_HDMI_PLAYBACK(3) |
482 SOF_HDMI_PLAYBACK_PRESENT),
483 },
484 { }
485 };
486 MODULE_DEVICE_TABLE(platform, board_ids);
487
488 static struct platform_driver sof_ssp_amp_driver = {
489 .probe = sof_ssp_amp_probe,
490 .driver = {
491 .name = "sof_ssp_amp",
492 .pm = &snd_soc_pm_ops,
493 },
494 .id_table = board_ids,
495 };
496 module_platform_driver(sof_ssp_amp_driver);
497
498 MODULE_DESCRIPTION("ASoC Intel(R) SOF Amplifier Machine driver");
499 MODULE_AUTHOR("Balamurugan C <balamurugan.c@intel.com>");
500 MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
501 MODULE_LICENSE("GPL");
502 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
503 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_REALTEK_COMMON);
504 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_CIRRUS_COMMON);
505