summaryrefslogtreecommitdiff
path: root/sound/soc/intel/boards/broadwell.c
blob: b86c746d9b7a86930c429580e93c49f5c24f459e (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
/*
 * Intel Broadwell Wildcatpoint SST Audio
 *
 * Copyright (C) 2013, Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include <sound/soc-acpi.h>

#include "../common/sst-dsp.h"
#include "../haswell/sst-haswell-ipc.h"

#include "../../codecs/rt286.h"

static struct snd_soc_jack broadwell_headset;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin broadwell_headset_pins[] = {
	{
		.pin = "Mic Jack",
		.mask = SND_JACK_MICROPHONE,
	},
	{
		.pin = "Headphone Jack",
		.mask = SND_JACK_HEADPHONE,
	},
};

static const struct snd_kcontrol_new broadwell_controls[] = {
	SOC_DAPM_PIN_SWITCH("Speaker"),
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
};

static const struct snd_soc_dapm_widget broadwell_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	SND_SOC_DAPM_MIC("DMIC1", NULL),
	SND_SOC_DAPM_MIC("DMIC2", NULL),
	SND_SOC_DAPM_LINE("Line Jack", NULL),
};

static const struct snd_soc_dapm_route broadwell_rt286_map[] = {

	/* speaker */
	{"Speaker", NULL, "SPOR"},
	{"Speaker", NULL, "SPOL"},

	/* HP jack connectors - unknown if we have jack deteck */
	{"Headphone Jack", NULL, "HPO Pin"},

	/* other jacks */
	{"MIC1", NULL, "Mic Jack"},
	{"LINE1", NULL, "Line Jack"},

	/* digital mics */
	{"DMIC1 Pin", NULL, "DMIC1"},
	{"DMIC2 Pin", NULL, "DMIC2"},

	/* CODEC BE connections */
	{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
	{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
};

static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_component *component = rtd->codec_dai->component;
	int ret = 0;
	ret = snd_soc_card_jack_new(rtd->card, "Headset",
		SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
		broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
	if (ret)
		return ret;

	rt286_mic_detect(component, &broadwell_headset);
	return 0;
}


static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
			struct snd_pcm_hw_params *params)
{
	struct snd_interval *rate = hw_param_interval(params,
			SNDRV_PCM_HW_PARAM_RATE);
	struct snd_interval *channels = hw_param_interval(params,
						SNDRV_PCM_HW_PARAM_CHANNELS);

	/* The ADSP will covert the FE rate to 48k, stereo */
	rate->min = rate->max = 48000;
	channels->min = channels->max = 2;

	/* set SSP0 to 16 bit */
	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
	return 0;
}

static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
		SND_SOC_CLOCK_IN);

	if (ret < 0) {
		dev_err(rtd->dev, "can't set codec sysclk configuration\n");
		return ret;
	}

	return ret;
}

static const struct snd_soc_ops broadwell_rt286_ops = {
	.hw_params = broadwell_rt286_hw_params,
};

static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
	struct sst_pdata *pdata = dev_get_platdata(component->dev);
	struct sst_hsw *broadwell = pdata->dsp;
	int ret;

	/* Set ADSP SSP port settings */
	ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
		SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
		SST_HSW_DEVICE_CLOCK_MASTER, 9);
	if (ret < 0) {
		dev_err(rtd->dev, "error: failed to set device config\n");
		return ret;
	}

	return 0;
}

/* broadwell digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link broadwell_rt286_dais[] = {
	/* Front End DAI links */
	{
		.name = "System PCM",
		.stream_name = "System Playback/Capture",
		.cpu_dai_name = "System Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.init = broadwell_rtd_init,
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
		.dpcm_capture = 1,
	},
	{
		.name = "Offload0",
		.stream_name = "Offload0 Playback",
		.cpu_dai_name = "Offload0 Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
	},
	{
		.name = "Offload1",
		.stream_name = "Offload1 Playback",
		.cpu_dai_name = "Offload1 Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
	},
	{
		.name = "Loopback PCM",
		.stream_name = "Loopback",
		.cpu_dai_name = "Loopback Pin",
		.platform_name = "haswell-pcm-audio",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_capture = 1,
	},
	/* Back End DAI links */
	{
		/* SSP0 - Codec */
		.name = "Codec",
		.id = 0,
		.cpu_dai_name = "snd-soc-dummy-dai",
		.platform_name = "snd-soc-dummy",
		.no_pcm = 1,
		.codec_name = "i2c-INT343A:00",
		.codec_dai_name = "rt286-aif1",
		.init = broadwell_rt286_codec_init,
		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBS_CFS,
		.ignore_suspend = 1,
		.ignore_pmdown_time = 1,
		.be_hw_params_fixup = broadwell_ssp0_fixup,
		.ops = &broadwell_rt286_ops,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
	},
};

static int broadwell_suspend(struct snd_soc_card *card){
	struct snd_soc_component *component;

	for_each_card_components(card, component) {
		if (!strcmp(component->name, "i2c-INT343A:00")) {

			dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
			rt286_mic_detect(component, NULL);
			break;
		}
	}
	return 0;
}

static int broadwell_resume(struct snd_soc_card *card){
	struct snd_soc_component *component;

	for_each_card_components(card, component) {
		if (!strcmp(component->name, "i2c-INT343A:00")) {

			dev_dbg(component->dev, "enabling jack detect for resume.\n");
			rt286_mic_detect(component, &broadwell_headset);
			break;
		}
	}
	return 0;
}

/* broadwell audio machine driver for WPT + RT286S */
static struct snd_soc_card broadwell_rt286 = {
	.name = "broadwell-rt286",
	.owner = THIS_MODULE,
	.dai_link = broadwell_rt286_dais,
	.num_links = ARRAY_SIZE(broadwell_rt286_dais),
	.controls = broadwell_controls,
	.num_controls = ARRAY_SIZE(broadwell_controls),
	.dapm_widgets = broadwell_widgets,
	.num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
	.dapm_routes = broadwell_rt286_map,
	.num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
	.fully_routed = true,
	.suspend_pre = broadwell_suspend,
	.resume_post = broadwell_resume,
};

static int broadwell_audio_probe(struct platform_device *pdev)
{
	struct snd_soc_acpi_mach *mach;
	const char *platform_name = NULL;
	int ret;

	broadwell_rt286.dev = &pdev->dev;

	/* override plaform name, if required */
	mach = (&pdev->dev)->platform_data;
	if (mach) /* extra check since legacy does not pass parameters */
		platform_name = mach->mach_params.platform;

	ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286,
						    platform_name);
	if (ret)
		return ret;

	return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
}

static struct platform_driver broadwell_audio = {
	.probe = broadwell_audio_probe,
	.driver = {
		.name = "broadwell-audio",
	},
};

module_platform_driver(broadwell_audio)

/* Module information */
MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:broadwell-audio");