xref: /linux/sound/soc/amd/vangogh/acp5x-mach.c (revision f9bff0e31881d03badf191d3b0005839391f5f2b)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Machine driver for AMD Vangogh platform using NAU8821 & CS35L41
4  * codecs.
5  *
6  * Copyright 2021 Advanced Micro Devices, Inc.
7  */
8 
9 #include <linux/acpi.h>
10 #include <linux/dmi.h>
11 #include <linux/gpio/consumer.h>
12 #include <linux/i2c.h>
13 #include <linux/input-event-codes.h>
14 #include <linux/module.h>
15 #include <sound/jack.h>
16 #include <sound/pcm_params.h>
17 #include <sound/soc.h>
18 #include <sound/soc-dapm.h>
19 
20 #include "../../codecs/nau8821.h"
21 #include "acp5x.h"
22 
23 #define DRV_NAME			"acp5x_mach"
24 #define DUAL_CHANNEL			2
25 #define VG_JUPITER			1
26 #define ACP5X_NAU8821_BCLK		3072000
27 #define ACP5X_NAU8821_FREQ_OUT		12288000
28 #define ACP5X_NAU8821_COMP_NAME 	"i2c-NVTN2020:00"
29 #define ACP5X_NAU8821_DAI_NAME		"nau8821-hifi"
30 #define ACP5X_CS35L41_COMP_LNAME	"spi-VLV1776:00"
31 #define ACP5X_CS35L41_COMP_RNAME	"spi-VLV1776:01"
32 #define ACP5X_CS35L41_DAI_NAME		"cs35l41-pcm"
33 
34 static unsigned long acp5x_machine_id;
35 static struct snd_soc_jack vg_headset;
36 
37 SND_SOC_DAILINK_DEF(platform,  DAILINK_COMP_ARRAY(COMP_PLATFORM("acp5x_i2s_dma.0")));
38 SND_SOC_DAILINK_DEF(acp5x_i2s, DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.0")));
39 SND_SOC_DAILINK_DEF(acp5x_bt,  DAILINK_COMP_ARRAY(COMP_CPU("acp5x_i2s_playcap.1")));
40 SND_SOC_DAILINK_DEF(nau8821,   DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_NAU8821_COMP_NAME,
41 							     ACP5X_NAU8821_DAI_NAME)));
42 
43 static struct snd_soc_jack_pin acp5x_nau8821_jack_pins[] = {
44 	{
45 		.pin	= "Headphone",
46 		.mask	= SND_JACK_HEADPHONE,
47 	},
48 	{
49 		.pin	= "Headset Mic",
50 		.mask	= SND_JACK_MICROPHONE,
51 	},
52 };
53 
54 static const struct snd_kcontrol_new acp5x_8821_controls[] = {
55 	SOC_DAPM_PIN_SWITCH("Headphone"),
56 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
57 	SOC_DAPM_PIN_SWITCH("Int Mic"),
58 };
59 
60 static int platform_clock_control(struct snd_soc_dapm_widget *w,
61 				  struct snd_kcontrol *k, int event)
62 {
63 	struct snd_soc_dapm_context *dapm = w->dapm;
64 	struct snd_soc_card *card = dapm->card;
65 	struct snd_soc_dai *dai;
66 	int ret = 0;
67 
68 	dai = snd_soc_card_get_codec_dai(card, ACP5X_NAU8821_DAI_NAME);
69 	if (!dai) {
70 		dev_err(card->dev, "Codec dai not found\n");
71 		return -EIO;
72 	}
73 
74 	if (SND_SOC_DAPM_EVENT_OFF(event)) {
75 		ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
76 		if (ret < 0) {
77 			dev_err(card->dev, "set sysclk err = %d\n", ret);
78 			return -EIO;
79 		}
80 	} else {
81 		ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN);
82 		if (ret < 0)
83 			dev_err(dai->dev, "can't set BLK clock %d\n", ret);
84 		ret = snd_soc_dai_set_pll(dai, 0, 0, ACP5X_NAU8821_BCLK, ACP5X_NAU8821_FREQ_OUT);
85 		if (ret < 0)
86 			dev_err(dai->dev, "can't set FLL: %d\n", ret);
87 	}
88 
89 	return ret;
90 }
91 
92 static int acp5x_8821_init(struct snd_soc_pcm_runtime *rtd)
93 {
94 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
95 	int ret;
96 
97 	/*
98 	 * Headset buttons map to the google Reference headset.
99 	 * These can be configured by userspace.
100 	 */
101 	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
102 					 SND_JACK_HEADSET | SND_JACK_BTN_0,
103 					 &vg_headset, acp5x_nau8821_jack_pins,
104 					 ARRAY_SIZE(acp5x_nau8821_jack_pins));
105 	if (ret) {
106 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
107 		return ret;
108 	}
109 
110 	snd_jack_set_key(vg_headset.jack, SND_JACK_BTN_0, KEY_MEDIA);
111 	nau8821_enable_jack_detect(component, &vg_headset);
112 
113 	return ret;
114 }
115 
116 static const unsigned int rates[] = {
117 	48000,
118 };
119 
120 static const struct snd_pcm_hw_constraint_list constraints_rates = {
121 	.count = ARRAY_SIZE(rates),
122 	.list  = rates,
123 	.mask = 0,
124 };
125 
126 static const unsigned int channels[] = {
127 	2,
128 };
129 
130 static const struct snd_pcm_hw_constraint_list constraints_channels = {
131 	.count = ARRAY_SIZE(channels),
132 	.list = channels,
133 	.mask = 0,
134 };
135 
136 static const unsigned int acp5x_nau8821_format[] = {32};
137 
138 static struct snd_pcm_hw_constraint_list constraints_sample_bits = {
139 	.list = acp5x_nau8821_format,
140 	.count = ARRAY_SIZE(acp5x_nau8821_format),
141 };
142 
143 static int acp5x_8821_startup(struct snd_pcm_substream *substream)
144 {
145 	struct snd_pcm_runtime *runtime = substream->runtime;
146 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
147 	struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);
148 
149 	machine->play_i2s_instance = I2S_SP_INSTANCE;
150 	machine->cap_i2s_instance = I2S_SP_INSTANCE;
151 
152 	runtime->hw.channels_max = DUAL_CHANNEL;
153 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
154 				   &constraints_channels);
155 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
156 				   &constraints_rates);
157 	snd_pcm_hw_constraint_list(substream->runtime, 0,
158 				   SNDRV_PCM_HW_PARAM_SAMPLE_BITS,
159 				   &constraints_sample_bits);
160 
161 	return 0;
162 }
163 
164 static int acp5x_nau8821_hw_params(struct snd_pcm_substream *substream,
165 				   struct snd_pcm_hw_params *params)
166 {
167 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
168 	struct snd_soc_card *card = rtd->card;
169 	struct snd_soc_dai *dai = snd_soc_card_get_codec_dai(card, ACP5X_NAU8821_DAI_NAME);
170 	int ret, bclk;
171 
172 	ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN);
173 	if (ret < 0)
174 		dev_err(card->dev, "can't set FS clock %d\n", ret);
175 
176 	bclk = snd_soc_params_to_bclk(params);
177 	if (bclk < 0) {
178 		dev_err(dai->dev, "Fail to get BCLK rate: %d\n", bclk);
179 		return bclk;
180 	}
181 
182 	ret = snd_soc_dai_set_pll(dai, 0, 0, bclk, params_rate(params) * 256);
183 	if (ret < 0)
184 		dev_err(card->dev, "can't set FLL: %d\n", ret);
185 
186 	return ret;
187 }
188 
189 static const struct snd_soc_ops acp5x_8821_ops = {
190 	.startup = acp5x_8821_startup,
191 	.hw_params = acp5x_nau8821_hw_params,
192 };
193 
194 static int acp5x_cs35l41_startup(struct snd_pcm_substream *substream)
195 {
196 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
197 	struct acp5x_platform_info *machine = snd_soc_card_get_drvdata(rtd->card);
198 	struct snd_pcm_runtime *runtime = substream->runtime;
199 
200 	machine->play_i2s_instance = I2S_HS_INSTANCE;
201 
202 	runtime->hw.channels_max = DUAL_CHANNEL;
203 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
204 				   &constraints_channels);
205 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
206 				   &constraints_rates);
207 
208 	return 0;
209 }
210 
211 static int acp5x_cs35l41_hw_params(struct snd_pcm_substream *substream,
212 				   struct snd_pcm_hw_params *params)
213 {
214 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
215 	unsigned int bclk, rate = params_rate(params);
216 	struct snd_soc_component *comp;
217 	int ret, i;
218 
219 	switch (rate) {
220 	case 48000:
221 		bclk = 1536000;
222 		break;
223 	default:
224 		bclk = 0;
225 		break;
226 	}
227 
228 	for_each_rtd_components(rtd, i, comp) {
229 		if (!(strcmp(comp->name, ACP5X_CS35L41_COMP_LNAME)) ||
230 		    !(strcmp(comp->name, ACP5X_CS35L41_COMP_RNAME))) {
231 			if (!bclk) {
232 				dev_err(comp->dev, "Invalid sample rate: 0x%x\n", rate);
233 				return -EINVAL;
234 			}
235 
236 			ret = snd_soc_component_set_sysclk(comp, 0, 0, bclk, SND_SOC_CLOCK_IN);
237 			if (ret) {
238 				dev_err(comp->dev, "failed to set SYSCLK: %d\n", ret);
239 				return ret;
240 			}
241 		}
242 	}
243 
244 	return 0;
245 
246 }
247 
248 static const struct snd_soc_ops acp5x_cs35l41_play_ops = {
249 	.startup = acp5x_cs35l41_startup,
250 	.hw_params = acp5x_cs35l41_hw_params,
251 };
252 
253 static struct snd_soc_codec_conf acp5x_cs35l41_conf[] = {
254 	{
255 		.dlc = COMP_CODEC_CONF(ACP5X_CS35L41_COMP_LNAME),
256 		.name_prefix = "Left",
257 	},
258 	{
259 		.dlc = COMP_CODEC_CONF(ACP5X_CS35L41_COMP_RNAME),
260 		.name_prefix = "Right",
261 	},
262 };
263 
264 SND_SOC_DAILINK_DEF(cs35l41, DAILINK_COMP_ARRAY(COMP_CODEC(ACP5X_CS35L41_COMP_LNAME,
265 							   ACP5X_CS35L41_DAI_NAME),
266 						COMP_CODEC(ACP5X_CS35L41_COMP_RNAME,
267 							   ACP5X_CS35L41_DAI_NAME)));
268 
269 static struct snd_soc_dai_link acp5x_8821_35l41_dai[] = {
270 	{
271 		.name = "acp5x-8821-play",
272 		.stream_name = "Playback/Capture",
273 		.dai_fmt = SND_SOC_DAIFMT_I2S |
274 			   SND_SOC_DAIFMT_NB_NF |
275 			   SND_SOC_DAIFMT_CBC_CFC,
276 		.dpcm_playback = 1,
277 		.dpcm_capture = 1,
278 		.ops = &acp5x_8821_ops,
279 		.init = acp5x_8821_init,
280 		SND_SOC_DAILINK_REG(acp5x_i2s, nau8821, platform),
281 	},
282 	{
283 		.name = "acp5x-CS35L41-Stereo",
284 		.stream_name = "CS35L41 Stereo Playback",
285 		.dai_fmt = SND_SOC_DAIFMT_I2S |
286 			   SND_SOC_DAIFMT_NB_NF |
287 			   SND_SOC_DAIFMT_CBC_CFC,
288 		.dpcm_playback = 1,
289 		.playback_only = 1,
290 		.ops = &acp5x_cs35l41_play_ops,
291 		SND_SOC_DAILINK_REG(acp5x_bt, cs35l41, platform),
292 	},
293 };
294 
295 
296 
297 static const struct snd_soc_dapm_widget acp5x_8821_35l41_widgets[] = {
298 	SND_SOC_DAPM_HP("Headphone", NULL),
299 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
300 	SND_SOC_DAPM_MIC("Int Mic", NULL),
301 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
302 			    platform_clock_control,
303 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
304 };
305 
306 static const struct snd_soc_dapm_route acp5x_8821_35l41_audio_route[] = {
307 	/* HP jack connectors - unknown if we have jack detection */
308 	{ "Headphone", NULL, "HPOL" },
309 	{ "Headphone", NULL, "HPOR" },
310 	{ "MICL", NULL, "Headset Mic" },
311 	{ "MICR", NULL, "Headset Mic" },
312 	{ "DMIC", NULL, "Int Mic" },
313 
314 	{ "Headphone", NULL, "Platform Clock" },
315 	{ "Headset Mic", NULL, "Platform Clock" },
316 	{ "Int Mic", NULL, "Platform Clock" },
317 };
318 
319 static struct snd_soc_card acp5x_8821_35l41_card = {
320 	.name = "acp5x",
321 	.owner = THIS_MODULE,
322 	.dai_link = acp5x_8821_35l41_dai,
323 	.num_links = ARRAY_SIZE(acp5x_8821_35l41_dai),
324 	.dapm_widgets = acp5x_8821_35l41_widgets,
325 	.num_dapm_widgets = ARRAY_SIZE(acp5x_8821_35l41_widgets),
326 	.dapm_routes = acp5x_8821_35l41_audio_route,
327 	.num_dapm_routes = ARRAY_SIZE(acp5x_8821_35l41_audio_route),
328 	.codec_conf = acp5x_cs35l41_conf,
329 	.num_configs = ARRAY_SIZE(acp5x_cs35l41_conf),
330 	.controls = acp5x_8821_controls,
331 	.num_controls = ARRAY_SIZE(acp5x_8821_controls),
332 };
333 
334 static int acp5x_vg_quirk_cb(const struct dmi_system_id *id)
335 {
336 	acp5x_machine_id = VG_JUPITER;
337 
338 	return 1;
339 }
340 
341 static const struct dmi_system_id acp5x_vg_quirk_table[] = {
342 	{
343 		.callback = acp5x_vg_quirk_cb,
344 		.matches = {
345 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Valve"),
346 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jupiter"),
347 		}
348 	},
349 	{}
350 };
351 
352 static int acp5x_probe(struct platform_device *pdev)
353 {
354 	struct acp5x_platform_info *machine;
355 	struct device *dev = &pdev->dev;
356 	struct snd_soc_card *card;
357 	int ret;
358 
359 	machine = devm_kzalloc(dev, sizeof(*machine), GFP_KERNEL);
360 	if (!machine)
361 		return -ENOMEM;
362 
363 	dmi_check_system(acp5x_vg_quirk_table);
364 	switch (acp5x_machine_id) {
365 	case VG_JUPITER:
366 		card = &acp5x_8821_35l41_card;
367 		break;
368 	default:
369 		return -ENODEV;
370 	}
371 	card->dev = dev;
372 	platform_set_drvdata(pdev, card);
373 	snd_soc_card_set_drvdata(card, machine);
374 
375 	ret = devm_snd_soc_register_card(dev, card);
376 	if (ret)
377 		return dev_err_probe(dev, ret, "Register card (%s) failed\n", card->name);
378 
379 	return 0;
380 }
381 
382 static struct platform_driver acp5x_mach_driver = {
383 	.driver = {
384 		.name = "acp5x_mach",
385 		.pm = &snd_soc_pm_ops,
386 	},
387 	.probe = acp5x_probe,
388 };
389 
390 module_platform_driver(acp5x_mach_driver);
391 
392 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
393 MODULE_DESCRIPTION("NAU8821 & CS35L41 audio support");
394 MODULE_LICENSE("GPL v2");
395 MODULE_ALIAS("platform:" DRV_NAME);
396