summaryrefslogtreecommitdiffstats
path: root/sound/soc/amd/acp-es8336.c
blob: 2fe8df86053ae8035ed52a30070662ff3b939c6a (plain)
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
// SPDX-License-Identifier: GPL-2.0+
/*
 * Machine driver for AMD Stoney platform using ES8336 Codec
 *
 * Copyright 2022 Advanced Micro Devices, Inc.
 */

#include <sound/core.h>
#include <sound/soc.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include <linux/gpio.h>
#include <linux/device.h>
#include <linux/dmi.h>
#include <linux/gpio/consumer.h>
#include <linux/gpio/machine.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/acpi.h>

#include "acp.h"

#define DUAL_CHANNEL	2
#define DRV_NAME "acp2x_mach"
#define ST_JADEITE	1
#define ES8336_PLL_FREQ (48000 * 256)

static unsigned long acp2x_machine_id;
static struct snd_soc_jack st_jack;
static struct device *codec_dev;
static struct gpio_desc *gpio_pa;

static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
					  struct snd_kcontrol *kcontrol, int event)
{
	if (SND_SOC_DAPM_EVENT_ON(event))
		gpiod_set_value_cansleep(gpio_pa, true);
	else
		gpiod_set_value_cansleep(gpio_pa, false);

	return 0;
}

static struct snd_soc_jack_pin st_es8316_jack_pins[] = {
	{
		.pin	= "Headphone",
		.mask	= SND_JACK_HEADPHONE,
	},
	{
		.pin	= "Headset Mic",
		.mask	= SND_JACK_MICROPHONE,
	},
};

static int st_es8336_init(struct snd_soc_pcm_runtime *rtd)
{
	int ret;
	struct snd_soc_card *card;
	struct snd_soc_component *codec;

	codec = asoc_rtd_to_codec(rtd, 0)->component;
	card = rtd->card;

	ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,
					 &st_jack, st_es8316_jack_pins,
					 ARRAY_SIZE(st_es8316_jack_pins));
	if (ret) {
		dev_err(card->dev, "HP jack creation failed %d\n", ret);
		return ret;
	}
	snd_jack_set_key(st_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
	ret = snd_soc_component_set_jack(codec, &st_jack, NULL);
	if (ret) {
		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
		return ret;
	}
	return 0;
}

static const unsigned int st_channels[] = {
	DUAL_CHANNEL,
};

static const unsigned int st_rates[] = {
	48000,
};

static const struct snd_pcm_hw_constraint_list st_constraints_rates = {
	.count = ARRAY_SIZE(st_rates),
	.list  = st_rates,
	.mask = 0,
};

static const struct snd_pcm_hw_constraint_list st_constraints_channels = {
	.count = ARRAY_SIZE(st_channels),
	.list = st_channels,
	.mask = 0,
};

static int st_es8336_codec_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime;
	struct snd_soc_pcm_runtime *rtd;
	struct snd_soc_card *card;
	struct acp_platform_info *machine;
	struct snd_soc_dai *codec_dai;
	int ret;

	runtime = substream->runtime;
	rtd = asoc_substream_to_rtd(substream);
	card = rtd->card;
	machine = snd_soc_card_get_drvdata(card);
	codec_dai = asoc_rtd_to_codec(rtd, 0);
	ret = snd_soc_dai_set_sysclk(codec_dai, 0, ES8336_PLL_FREQ, SND_SOC_CLOCK_IN);
	if (ret < 0) {
		dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
		return ret;
	}
	runtime->hw.channels_max = DUAL_CHANNEL;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
				   &st_constraints_channels);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
				   &st_constraints_rates);

	machine->play_i2s_instance = I2S_MICSP_INSTANCE;
	machine->cap_i2s_instance = I2S_MICSP_INSTANCE;
	machine->capture_channel = CAP_CHANNEL0;
	return 0;
}

static const struct snd_soc_ops st_es8336_ops = {
	.startup = st_es8336_codec_startup,
};

SND_SOC_DAILINK_DEF(designware1,
		    DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
SND_SOC_DAILINK_DEF(codec,
		    DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi")));
SND_SOC_DAILINK_DEF(platform,
		    DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.1.auto")));

static struct snd_soc_dai_link st_dai_es8336[] = {
	{
		.name = "amdes8336",
		.stream_name = "ES8336 HiFi Play",
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
				| SND_SOC_DAIFMT_CBP_CFP,
		.stop_dma_first = 1,
		.dpcm_capture = 1,
		.dpcm_playback = 1,
		.init = st_es8336_init,
		.ops = &st_es8336_ops,
		SND_SOC_DAILINK_REG(designware1, codec, platform),
	},
};

static const struct snd_soc_dapm_widget st_widgets[] = {
	SND_SOC_DAPM_SPK("Speaker", NULL),
	SND_SOC_DAPM_HP("Headphone", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MIC("Internal Mic", NULL),

	SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
			    sof_es8316_speaker_power_event,
			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
};

static const struct snd_soc_dapm_route st_audio_route[] = {
	{"Speaker", NULL, "HPOL"},
	{"Speaker", NULL, "HPOR"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"MIC1", NULL, "Headset Mic"},
	{"MIC2", NULL, "Internal Mic"},
	{"Speaker", NULL, "Speaker Power"},
};

static const struct snd_kcontrol_new st_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Speaker"),
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Internal Mic"),
};

static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false };
static const struct acpi_gpio_mapping acpi_es8336_gpios[] = {
	{ "pa-enable-gpios", &pa_enable_gpio, 1 },
	{ }
};

static int st_es8336_late_probe(struct snd_soc_card *card)
{
	struct acpi_device *adev;
	int ret;

	adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1);
	if (adev)
		put_device(&adev->dev);
	codec_dev = acpi_get_first_physical_node(adev);
	if (!codec_dev)
		dev_err(card->dev, "can not find codec dev\n");

	ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios);
	if (ret)
		dev_warn(card->dev, "Failed to add driver gpios\n");

	gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW);
	if (IS_ERR(gpio_pa)) {
		ret = dev_err_probe(card->dev, PTR_ERR(gpio_pa),
				    "could not get pa-enable GPIO\n");
		put_device(codec_dev);
		return ret;
	}
	return 0;
}

static struct snd_soc_card st_card = {
	.name = "acpes8336",
	.owner = THIS_MODULE,
	.dai_link = st_dai_es8336,
	.num_links = ARRAY_SIZE(st_dai_es8336),
	.dapm_widgets = st_widgets,
	.num_dapm_widgets = ARRAY_SIZE(st_widgets),
	.dapm_routes = st_audio_route,
	.num_dapm_routes = ARRAY_SIZE(st_audio_route),
	.controls = st_mc_controls,
	.num_controls = ARRAY_SIZE(st_mc_controls),
	.late_probe = st_es8336_late_probe,
};

static int st_es8336_quirk_cb(const struct dmi_system_id *id)
{
	acp2x_machine_id = ST_JADEITE;
	return 1;
}

static const struct dmi_system_id st_es8336_quirk_table[] = {
	{
		.callback = st_es8336_quirk_cb,
		.matches = {
			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"),
		},
	},
	{
		.callback = st_es8336_quirk_cb,
		.matches = {
			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"),
		},
	},
	{
		.callback = st_es8336_quirk_cb,
		.matches = {
			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"),
			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"),
		},
	},
	{}
};

static int st_es8336_probe(struct platform_device *pdev)
{
	int ret;
	struct snd_soc_card *card;
	struct acp_platform_info *machine;

	machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info), GFP_KERNEL);
	if (!machine)
		return -ENOMEM;

	dmi_check_system(st_es8336_quirk_table);
	switch (acp2x_machine_id) {
	case ST_JADEITE:
		card = &st_card;
		st_card.dev = &pdev->dev;
		break;
	default:
		return -ENODEV;
	}

	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);
	ret = devm_snd_soc_register_card(&pdev->dev, &st_card);
	if (ret) {
		return dev_err_probe(&pdev->dev, ret,
				     "devm_snd_soc_register_card(%s) failed\n",
				     card->name);
	}
	return 0;
}

#ifdef CONFIG_ACPI
static const struct acpi_device_id st_audio_acpi_match[] = {
	{"AMDI8336", 0},
	{},
};
MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match);
#endif

static struct platform_driver st_mach_driver = {
	.driver = {
		.name = "st-es8316",
		.acpi_match_table = ACPI_PTR(st_audio_acpi_match),
		.pm = &snd_soc_pm_ops,
	},
	.probe = st_es8336_probe,
};

module_platform_driver(st_mach_driver);

MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
MODULE_DESCRIPTION("st-es8316 audio support");
MODULE_LICENSE("GPL v2");