xref: /openbmc/linux/sound/soc/intel/boards/bdw_rt286.c (revision 64778b02)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Sound card driver for Intel Broadwell Wildcat Point with Realtek 286
4  *
5  * Copyright (C) 2013, Intel Corporation. All rights reserved.
6  */
7 
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include <sound/core.h>
11 #include <sound/jack.h>
12 #include <sound/pcm.h>
13 #include <sound/pcm_params.h>
14 #include <sound/soc.h>
15 #include <sound/soc-acpi.h>
16 #include "../../codecs/rt286.h"
17 
18 static struct snd_soc_jack card_headset;
19 
20 static struct snd_soc_jack_pin card_headset_pins[] = {
21 	{
22 		.pin = "Mic Jack",
23 		.mask = SND_JACK_MICROPHONE,
24 	},
25 	{
26 		.pin = "Headphone Jack",
27 		.mask = SND_JACK_HEADPHONE,
28 	},
29 };
30 
31 static const struct snd_kcontrol_new card_controls[] = {
32 	SOC_DAPM_PIN_SWITCH("Speaker"),
33 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
34 };
35 
36 static const struct snd_soc_dapm_widget card_widgets[] = {
37 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
38 	SND_SOC_DAPM_SPK("Speaker", NULL),
39 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
40 	SND_SOC_DAPM_MIC("DMIC1", NULL),
41 	SND_SOC_DAPM_MIC("DMIC2", NULL),
42 	SND_SOC_DAPM_LINE("Line Jack", NULL),
43 };
44 
45 static const struct snd_soc_dapm_route card_routes[] = {
46 	{"Speaker", NULL, "SPOR"},
47 	{"Speaker", NULL, "SPOL"},
48 
49 	{"Headphone Jack", NULL, "HPO Pin"},
50 
51 	{"MIC1", NULL, "Mic Jack"},
52 	{"LINE1", NULL, "Line Jack"},
53 
54 	{"DMIC1 Pin", NULL, "DMIC1"},
55 	{"DMIC2 Pin", NULL, "DMIC2"},
56 
57 	/* CODEC BE connections */
58 	{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
59 	{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
60 };
61 
codec_link_init(struct snd_soc_pcm_runtime * rtd)62 static int codec_link_init(struct snd_soc_pcm_runtime *rtd)
63 {
64 	struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
65 	int ret;
66 
67 	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,
68 					 &card_headset, card_headset_pins,
69 					 ARRAY_SIZE(card_headset_pins));
70 	if (ret)
71 		return ret;
72 
73 	return snd_soc_component_set_jack(codec, &card_headset, NULL);
74 }
75 
codec_link_exit(struct snd_soc_pcm_runtime * rtd)76 static void codec_link_exit(struct snd_soc_pcm_runtime *rtd)
77 {
78 	struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
79 
80 	snd_soc_component_set_jack(codec, NULL, NULL);
81 }
82 
codec_link_hw_params_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)83 static int codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
84 				      struct snd_pcm_hw_params *params)
85 {
86 	struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
87 	struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
88 
89 	/* The ADSP will convert the FE rate to 48kHz, stereo. */
90 	rate->min = rate->max = 48000;
91 	channels->min = channels->max = 2;
92 	/* Set SSP0 to 16 bit. */
93 	params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
94 
95 	return 0;
96 }
97 
codec_link_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)98 static int codec_link_hw_params(struct snd_pcm_substream *substream,
99 				struct snd_pcm_hw_params *params)
100 {
101 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
102 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
103 	int ret;
104 
105 	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
106 	if (ret < 0) {
107 		dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
108 		return ret;
109 	}
110 
111 	return ret;
112 }
113 
114 static const struct snd_soc_ops codec_link_ops = {
115 	.hw_params = codec_link_hw_params,
116 };
117 
118 SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
119 SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
120 SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
121 SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
122 
123 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
124 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
125 SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
126 SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
127 
128 static struct snd_soc_dai_link card_dai_links[] = {
129 	/* Front End DAI links */
130 	{
131 		.name = "System PCM",
132 		.stream_name = "System Playback/Capture",
133 		.nonatomic = 1,
134 		.dynamic = 1,
135 		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
136 		.dpcm_playback = 1,
137 		.dpcm_capture = 1,
138 		SND_SOC_DAILINK_REG(system, dummy, platform),
139 	},
140 	{
141 		.name = "Offload0",
142 		.stream_name = "Offload0 Playback",
143 		.nonatomic = 1,
144 		.dynamic = 1,
145 		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
146 		.dpcm_playback = 1,
147 		SND_SOC_DAILINK_REG(offload0, dummy, platform),
148 	},
149 	{
150 		.name = "Offload1",
151 		.stream_name = "Offload1 Playback",
152 		.nonatomic = 1,
153 		.dynamic = 1,
154 		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
155 		.dpcm_playback = 1,
156 		SND_SOC_DAILINK_REG(offload1, dummy, platform),
157 	},
158 	{
159 		.name = "Loopback PCM",
160 		.stream_name = "Loopback",
161 		.nonatomic = 1,
162 		.dynamic = 1,
163 		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
164 		.dpcm_capture = 1,
165 		SND_SOC_DAILINK_REG(loopback, dummy, platform),
166 	},
167 	/* Back End DAI links */
168 	{
169 		/* SSP0 - Codec */
170 		.name = "Codec",
171 		.id = 0,
172 		.nonatomic = 1,
173 		.no_pcm = 1,
174 		.init = codec_link_init,
175 		.exit = codec_link_exit,
176 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC,
177 		.ignore_pmdown_time = 1,
178 		.be_hw_params_fixup = codec_link_hw_params_fixup,
179 		.ops = &codec_link_ops,
180 		.dpcm_playback = 1,
181 		.dpcm_capture = 1,
182 		SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
183 	},
184 };
185 
card_suspend_pre(struct snd_soc_card * card)186 static int card_suspend_pre(struct snd_soc_card *card)
187 {
188 	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
189 
190 	if (!codec_dai)
191 		return 0;
192 
193 	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
194 }
195 
card_resume_post(struct snd_soc_card * card)196 static int card_resume_post(struct snd_soc_card *card)
197 {
198 	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
199 
200 	if (!codec_dai)
201 		return 0;
202 
203 	return snd_soc_component_set_jack(codec_dai->component, &card_headset, NULL);
204 }
205 
206 static struct snd_soc_card bdw_rt286_card = {
207 	.owner = THIS_MODULE,
208 	.suspend_pre = card_suspend_pre,
209 	.resume_post = card_resume_post,
210 	.dai_link = card_dai_links,
211 	.num_links = ARRAY_SIZE(card_dai_links),
212 	.controls = card_controls,
213 	.num_controls = ARRAY_SIZE(card_controls),
214 	.dapm_widgets = card_widgets,
215 	.num_dapm_widgets = ARRAY_SIZE(card_widgets),
216 	.dapm_routes = card_routes,
217 	.num_dapm_routes = ARRAY_SIZE(card_routes),
218 	.fully_routed = true,
219 };
220 
221 /* Use space before codec name to simplify card ID, and simplify driver name. */
222 #define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
223 #define SOF_DRIVER_NAME "SOF"
224 
225 #define CARD_NAME "broadwell-rt286"
226 
bdw_rt286_probe(struct platform_device * pdev)227 static int bdw_rt286_probe(struct platform_device *pdev)
228 {
229 	struct snd_soc_acpi_mach *mach;
230 	struct device *dev = &pdev->dev;
231 	int ret;
232 
233 	bdw_rt286_card.dev = dev;
234 	mach = dev_get_platdata(dev);
235 
236 	ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt286_card, mach->mach_params.platform);
237 	if (ret)
238 		return ret;
239 
240 	if (snd_soc_acpi_sof_parent(dev)) {
241 		bdw_rt286_card.name = SOF_CARD_NAME;
242 		bdw_rt286_card.driver_name = SOF_DRIVER_NAME;
243 	} else {
244 		bdw_rt286_card.name = CARD_NAME;
245 	}
246 
247 	return devm_snd_soc_register_card(dev, &bdw_rt286_card);
248 }
249 
250 static struct platform_driver bdw_rt286_driver = {
251 	.probe = bdw_rt286_probe,
252 	.driver = {
253 		.name = "bdw_rt286",
254 		.pm = &snd_soc_pm_ops
255 	},
256 };
257 
258 module_platform_driver(bdw_rt286_driver)
259 
260 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
261 MODULE_DESCRIPTION("Sound card driver for Intel Broadwell Wildcat Point with Realtek 286");
262 MODULE_LICENSE("GPL");
263 MODULE_ALIAS("platform:bdw_rt286");
264