1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
|
// SPDX-License-Identifier: GPL-2.0-only
// Copyright(c) 2024 Advanced Micro Devices, Inc.
/*
* acp-sdw-sof-mach - ASoC Machine driver for AMD SoundWire platforms
*/
#include <linux/bitmap.h>
#include <linux/device.h>
#include <linux/dmi.h>
#include <linux/module.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include "soc_amd_sdw_common.h"
#include "../../codecs/rt711.h"
static unsigned long sof_sdw_quirk = RT711_JD1;
static int quirk_override = -1;
module_param_named(quirk, quirk_override, int, 0444);
MODULE_PARM_DESC(quirk, "Board-specific quirk override");
static void log_quirks(struct device *dev)
{
if (SOC_JACK_JDSRC(sof_sdw_quirk))
dev_dbg(dev, "quirk realtek,jack-detect-source %ld\n",
SOC_JACK_JDSRC(sof_sdw_quirk));
if (sof_sdw_quirk & ASOC_SDW_ACP_DMIC)
dev_dbg(dev, "quirk SOC_SDW_ACP_DMIC enabled\n");
}
static int sof_sdw_quirk_cb(const struct dmi_system_id *id)
{
sof_sdw_quirk = (unsigned long)id->driver_data;
return 1;
}
static const struct dmi_system_id sof_sdw_quirk_table[] = {
{
.callback = sof_sdw_quirk_cb,
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "AMD"),
DMI_MATCH(DMI_PRODUCT_NAME, "Birman-PHX"),
},
.driver_data = (void *)RT711_JD2,
},
{}
};
static struct snd_soc_dai_link_component platform_component[] = {
{
/* name might be overridden during probe */
.name = "0000:04:00.5",
}
};
static const struct snd_soc_ops sdw_ops = {
.startup = asoc_sdw_startup,
.prepare = asoc_sdw_prepare,
.trigger = asoc_sdw_trigger,
.hw_params = asoc_sdw_hw_params,
.hw_free = asoc_sdw_hw_free,
.shutdown = asoc_sdw_shutdown,
};
static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"};
static int create_sdw_dailink(struct snd_soc_card *card,
struct asoc_sdw_dailink *sof_dai,
struct snd_soc_dai_link **dai_links,
int *be_id, struct snd_soc_codec_conf **codec_conf)
{
struct device *dev = card->dev;
struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
struct amd_mc_ctx *amd_ctx = (struct amd_mc_ctx *)ctx->private;
struct asoc_sdw_endpoint *sof_end;
int cpu_pin_id;
int stream;
int ret;
list_for_each_entry(sof_end, &sof_dai->endpoints, list) {
if (sof_end->name_prefix) {
(*codec_conf)->dlc.name = sof_end->codec_name;
(*codec_conf)->name_prefix = sof_end->name_prefix;
(*codec_conf)++;
}
if (sof_end->include_sidecar) {
ret = sof_end->codec_info->add_sidecar(card, dai_links, codec_conf);
if (ret)
return ret;
}
}
for_each_pcm_streams(stream) {
static const char * const sdw_stream_name[] = {
"SDW%d-PIN%d-PLAYBACK",
"SDW%d-PIN%d-CAPTURE",
"SDW%d-PIN%d-PLAYBACK-%s",
"SDW%d-PIN%d-CAPTURE-%s",
};
struct snd_soc_dai_link_ch_map *codec_maps;
struct snd_soc_dai_link_component *codecs;
struct snd_soc_dai_link_component *cpus;
int num_cpus = hweight32(sof_dai->link_mask[stream]);
int num_codecs = sof_dai->num_devs[stream];
int playback, capture;
int j = 0;
char *name;
if (!sof_dai->num_devs[stream])
continue;
sof_end = list_first_entry(&sof_dai->endpoints,
struct asoc_sdw_endpoint, list);
*be_id = sof_end->dai_info->dailink[stream];
if (*be_id < 0) {
dev_err(dev, "Invalid dailink id %d\n", *be_id);
return -EINVAL;
}
switch (amd_ctx->acp_rev) {
case ACP63_PCI_REV:
ret = get_acp63_cpu_pin_id(ffs(sof_end->link_mask - 1),
*be_id, &cpu_pin_id, dev);
if (ret)
return ret;
break;
default:
return -EINVAL;
}
/* create stream name according to first link id */
if (ctx->append_dai_type) {
name = devm_kasprintf(dev, GFP_KERNEL,
sdw_stream_name[stream + 2],
ffs(sof_end->link_mask) - 1,
cpu_pin_id,
type_strings[sof_end->dai_info->dai_type]);
} else {
name = devm_kasprintf(dev, GFP_KERNEL,
sdw_stream_name[stream],
ffs(sof_end->link_mask) - 1,
cpu_pin_id);
}
if (!name)
return -ENOMEM;
cpus = devm_kcalloc(dev, num_cpus, sizeof(*cpus), GFP_KERNEL);
if (!cpus)
return -ENOMEM;
codecs = devm_kcalloc(dev, num_codecs, sizeof(*codecs), GFP_KERNEL);
if (!codecs)
return -ENOMEM;
codec_maps = devm_kcalloc(dev, num_codecs, sizeof(*codec_maps), GFP_KERNEL);
if (!codec_maps)
return -ENOMEM;
list_for_each_entry(sof_end, &sof_dai->endpoints, list) {
if (!sof_end->dai_info->direction[stream])
continue;
int link_num = ffs(sof_end->link_mask) - 1;
cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
"SDW%d Pin%d",
link_num, cpu_pin_id);
dev_dbg(dev, "cpu->dai_name:%s\n", cpus->dai_name);
if (!cpus->dai_name)
return -ENOMEM;
codec_maps[j].cpu = 0;
codec_maps[j].codec = j;
codecs[j].name = sof_end->codec_name;
codecs[j].dai_name = sof_end->dai_info->dai_name;
j++;
}
WARN_ON(j != num_codecs);
playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
asoc_sdw_init_dai_link(dev, *dai_links, be_id, name, playback, capture,
cpus, num_cpus, platform_component,
ARRAY_SIZE(platform_component), codecs, num_codecs,
1, asoc_sdw_rtd_init, &sdw_ops);
/*
* SoundWire DAILINKs use 'stream' functions and Bank Switch operations
* based on wait_for_completion(), tag them as 'nonatomic'.
*/
(*dai_links)->nonatomic = true;
(*dai_links)->ch_maps = codec_maps;
list_for_each_entry(sof_end, &sof_dai->endpoints, list) {
if (sof_end->dai_info->init)
sof_end->dai_info->init(card, *dai_links,
sof_end->codec_info,
playback);
}
(*dai_links)++;
}
return 0;
}
static int create_sdw_dailinks(struct snd_soc_card *card,
struct snd_soc_dai_link **dai_links, int *be_id,
struct asoc_sdw_dailink *sof_dais,
struct snd_soc_codec_conf **codec_conf)
{
int ret;
/* generate DAI links by each sdw link */
while (sof_dais->initialised) {
int current_be_id;
ret = create_sdw_dailink(card, sof_dais, dai_links,
¤t_be_id, codec_conf);
if (ret)
return ret;
/* Update the be_id to match the highest ID used for SDW link */
if (*be_id < current_be_id)
*be_id = current_be_id;
sof_dais++;
}
return 0;
}
static int create_dmic_dailinks(struct snd_soc_card *card,
struct snd_soc_dai_link **dai_links, int *be_id, int no_pcm)
{
struct device *dev = card->dev;
int ret;
ret = asoc_sdw_init_simple_dai_link(dev, *dai_links, be_id, "acp-dmic-codec",
0, 1, // DMIC only supports capture
"acp-sof-dmic", platform_component->name,
ARRAY_SIZE(platform_component),
"dmic-codec", "dmic-hifi", no_pcm,
asoc_sdw_dmic_init, NULL);
if (ret)
return ret;
(*dai_links)++;
return 0;
}
static int sof_card_dai_links_create(struct snd_soc_card *card)
{
struct device *dev = card->dev;
struct snd_soc_acpi_mach *mach = dev_get_platdata(card->dev);
int sdw_be_num = 0, dmic_num = 0;
struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
struct asoc_sdw_endpoint *sof_ends __free(kfree) = NULL;
struct asoc_sdw_dailink *sof_dais __free(kfree) = NULL;
struct snd_soc_codec_conf *codec_conf;
struct snd_soc_dai_link *dai_links;
int num_devs = 0;
int num_ends = 0;
int num_links;
int be_id = 0;
int ret;
ret = asoc_sdw_count_sdw_endpoints(card, &num_devs, &num_ends);
if (ret < 0) {
dev_err(dev, "failed to count devices/endpoints: %d\n", ret);
return ret;
}
/* One per DAI link, worst case is a DAI link for every endpoint */
sof_dais = kcalloc(num_ends, sizeof(*sof_dais), GFP_KERNEL);
if (!sof_dais)
return -ENOMEM;
/* One per endpoint, ie. each DAI on each codec/amp */
sof_ends = kcalloc(num_ends, sizeof(*sof_ends), GFP_KERNEL);
if (!sof_ends)
return -ENOMEM;
ret = asoc_sdw_parse_sdw_endpoints(card, sof_dais, sof_ends, &num_devs);
if (ret < 0)
return ret;
sdw_be_num = ret;
/* enable dmic */
if (sof_sdw_quirk & ASOC_SDW_ACP_DMIC || mach_params->dmic_num)
dmic_num = 1;
dev_dbg(dev, "sdw %d, dmic %d", sdw_be_num, dmic_num);
codec_conf = devm_kcalloc(dev, num_devs, sizeof(*codec_conf), GFP_KERNEL);
if (!codec_conf)
return -ENOMEM;
/* allocate BE dailinks */
num_links = sdw_be_num + dmic_num;
dai_links = devm_kcalloc(dev, num_links, sizeof(*dai_links), GFP_KERNEL);
if (!dai_links)
return -ENOMEM;
card->codec_conf = codec_conf;
card->num_configs = num_devs;
card->dai_link = dai_links;
card->num_links = num_links;
/* SDW */
if (sdw_be_num) {
ret = create_sdw_dailinks(card, &dai_links, &be_id,
sof_dais, &codec_conf);
if (ret)
return ret;
}
/* dmic */
if (dmic_num > 0) {
if (ctx->ignore_internal_dmic) {
dev_warn(dev, "Ignoring ACP DMIC\n");
} else {
ret = create_dmic_dailinks(card, &dai_links, &be_id, 1);
if (ret)
return ret;
}
}
WARN_ON(codec_conf != card->codec_conf + card->num_configs);
WARN_ON(dai_links != card->dai_link + card->num_links);
return ret;
}
static int mc_probe(struct platform_device *pdev)
{
struct snd_soc_acpi_mach *mach = dev_get_platdata(&pdev->dev);
struct snd_soc_card *card;
struct amd_mc_ctx *amd_ctx;
struct asoc_sdw_mc_private *ctx;
int amp_num = 0, i;
int ret;
amd_ctx = devm_kzalloc(&pdev->dev, sizeof(*amd_ctx), GFP_KERNEL);
if (!amd_ctx)
return -ENOMEM;
amd_ctx->acp_rev = mach->mach_params.subsystem_rev;
amd_ctx->max_sdw_links = ACP63_SDW_MAX_LINKS;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
ctx->codec_info_list_count = asoc_sdw_get_codec_info_list_count();
ctx->private = amd_ctx;
card = &ctx->card;
card->dev = &pdev->dev;
card->name = "amd-soundwire";
card->owner = THIS_MODULE;
card->late_probe = asoc_sdw_card_late_probe;
snd_soc_card_set_drvdata(card, ctx);
dmi_check_system(sof_sdw_quirk_table);
if (quirk_override != -1) {
dev_info(card->dev, "Overriding quirk 0x%lx => 0x%x\n",
sof_sdw_quirk, quirk_override);
sof_sdw_quirk = quirk_override;
}
log_quirks(card->dev);
ctx->mc_quirk = sof_sdw_quirk;
/* reset amp_num to ensure amp_num++ starts from 0 in each probe */
for (i = 0; i < ctx->codec_info_list_count; i++)
codec_info_list[i].amp_num = 0;
ret = sof_card_dai_links_create(card);
if (ret < 0)
return ret;
/*
* the default amp_num is zero for each codec and
* amp_num will only be increased for active amp
* codecs on used platform
*/
for (i = 0; i < ctx->codec_info_list_count; i++)
amp_num += codec_info_list[i].amp_num;
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
" cfg-amp:%d", amp_num);
if (!card->components)
return -ENOMEM;
/* Register the card */
ret = devm_snd_soc_register_card(card->dev, card);
if (ret) {
dev_err_probe(card->dev, ret, "snd_soc_register_card failed %d\n", ret);
asoc_sdw_mc_dailink_exit_loop(card);
return ret;
}
platform_set_drvdata(pdev, card);
return ret;
}
static void mc_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
asoc_sdw_mc_dailink_exit_loop(card);
}
static const struct platform_device_id mc_id_table[] = {
{ "amd_sof_sdw", },
{}
};
MODULE_DEVICE_TABLE(platform, mc_id_table);
static struct platform_driver sof_sdw_driver = {
.driver = {
.name = "amd_sof_sdw",
.pm = &snd_soc_pm_ops,
},
.probe = mc_probe,
.remove = mc_remove,
.id_table = mc_id_table,
};
module_platform_driver(sof_sdw_driver);
MODULE_DESCRIPTION("ASoC AMD SoundWire Generic Machine driver");
MODULE_AUTHOR("Vijendar Mukunda <Vijendar.Mukunda@amd.com");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("SND_SOC_SDW_UTILS");
MODULE_IMPORT_NS("SND_SOC_AMD_SDW_MACH");
|