xref: /linux/sound/soc/intel/avs/boards/rt286.c (revision a9e6060bb2a6cae6d43a98ec0794844ad01273d3)
1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2021-2022 Intel Corporation
4 //
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 //          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7 //
8 
9 #include <linux/module.h>
10 #include <sound/jack.h>
11 #include <sound/pcm.h>
12 #include <sound/pcm_params.h>
13 #include <sound/soc.h>
14 #include <sound/soc-acpi.h>
15 #include "../../../codecs/rt286.h"
16 #include "../utils.h"
17 
18 #define RT286_CODEC_DAI		"rt286-aif1"
19 
20 static const struct snd_kcontrol_new card_controls[] = {
21 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
22 	SOC_DAPM_PIN_SWITCH("Mic Jack"),
23 	SOC_DAPM_PIN_SWITCH("Speaker"),
24 };
25 
26 static const struct snd_soc_dapm_widget card_widgets[] = {
27 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
28 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
29 	SND_SOC_DAPM_SPK("Speaker", NULL),
30 };
31 
32 static const struct snd_soc_dapm_route card_base_routes[] = {
33 	/* HP jack connectors - unknown if we have jack detect */
34 	{"Headphone Jack", NULL, "HPO Pin"},
35 	{"MIC1", NULL, "Mic Jack"},
36 
37 	{"Speaker", NULL, "SPOR"},
38 	{"Speaker", NULL, "SPOL"},
39 };
40 
41 static const struct snd_soc_jack_pin card_headset_pins[] = {
42 	{
43 		.pin = "Headphone Jack",
44 		.mask = SND_JACK_HEADPHONE,
45 	},
46 	{
47 		.pin = "Mic Jack",
48 		.mask = SND_JACK_MICROPHONE,
49 	},
50 };
51 
avs_rt286_codec_init(struct snd_soc_pcm_runtime * runtime)52 static int avs_rt286_codec_init(struct snd_soc_pcm_runtime *runtime)
53 {
54 	struct snd_soc_card *card = runtime->card;
55 	struct snd_soc_jack_pin *pins;
56 	struct snd_soc_jack *jack;
57 	int num_pins, ret;
58 
59 	jack = snd_soc_card_get_drvdata(card);
60 	num_pins = ARRAY_SIZE(card_headset_pins);
61 
62 	pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins,
63 				  sizeof(card_headset_pins[0]), GFP_KERNEL);
64 	if (!pins)
65 		return -ENOMEM;
66 
67 	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0,
68 					 jack, pins, num_pins);
69 	if (ret)
70 		return ret;
71 
72 	return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
73 }
74 
avs_rt286_codec_exit(struct snd_soc_pcm_runtime * rtd)75 static void avs_rt286_codec_exit(struct snd_soc_pcm_runtime *rtd)
76 {
77 	snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
78 }
79 
avs_rt286_be_fixup(struct snd_soc_pcm_runtime * runtime,struct snd_pcm_hw_params * params)80 static int avs_rt286_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
81 {
82 	struct snd_interval *rate, *channels;
83 	struct snd_mask *fmt;
84 
85 	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
86 	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
87 	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
88 
89 	/* The ADSP will convert the FE rate to 48k, stereo */
90 	rate->min = rate->max = 48000;
91 	channels->min = channels->max = 2;
92 
93 	/* set SSP0 to 24 bit */
94 	snd_mask_none(fmt);
95 	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
96 
97 	return 0;
98 }
99 
100 static int
avs_rt286_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)101 avs_rt286_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
102 {
103 	struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
104 	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
105 	int ret;
106 
107 	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
108 	if (ret < 0)
109 		dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret);
110 
111 	return ret;
112 }
113 
114 static const struct snd_soc_ops avs_rt286_ops = {
115 	.hw_params = avs_rt286_hw_params,
116 };
117 
avs_create_dai_link(struct device * dev,const char * platform_name,int ssp_port,int tdm_slot,struct snd_soc_dai_link ** dai_link)118 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
119 			       int tdm_slot, struct snd_soc_dai_link **dai_link)
120 {
121 	struct snd_soc_dai_link_component *platform;
122 	struct snd_soc_dai_link *dl;
123 
124 	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
125 	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
126 	if (!dl || !platform)
127 		return -ENOMEM;
128 
129 	platform->name = platform_name;
130 
131 	dl->name = devm_kasprintf(dev, GFP_KERNEL,
132 				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
133 	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
134 	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
135 	if (!dl->name || !dl->cpus || !dl->codecs)
136 		return -ENOMEM;
137 
138 	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
139 					    AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
140 	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00");
141 	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT286_CODEC_DAI);
142 	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
143 		return -ENOMEM;
144 
145 	dl->num_cpus = 1;
146 	dl->num_codecs = 1;
147 	dl->platforms = platform;
148 	dl->num_platforms = 1;
149 	dl->id = 0;
150 	dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
151 	dl->init = avs_rt286_codec_init;
152 	dl->exit = avs_rt286_codec_exit;
153 	dl->be_hw_params_fixup = avs_rt286_be_fixup;
154 	dl->ops = &avs_rt286_ops;
155 	dl->nonatomic = 1;
156 	dl->no_pcm = 1;
157 
158 	*dai_link = dl;
159 
160 	return 0;
161 }
162 
avs_card_suspend_pre(struct snd_soc_card * card)163 static int avs_card_suspend_pre(struct snd_soc_card *card)
164 {
165 	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI);
166 
167 	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
168 }
169 
avs_card_resume_post(struct snd_soc_card * card)170 static int avs_card_resume_post(struct snd_soc_card *card)
171 {
172 	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI);
173 	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
174 
175 	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
176 }
177 
avs_rt286_probe(struct platform_device * pdev)178 static int avs_rt286_probe(struct platform_device *pdev)
179 {
180 	struct snd_soc_dai_link *dai_link;
181 	struct snd_soc_acpi_mach *mach;
182 	struct avs_mach_pdata *pdata;
183 	struct snd_soc_card *card;
184 	struct snd_soc_jack *jack;
185 	struct device *dev = &pdev->dev;
186 	const char *pname;
187 	int ssp_port, tdm_slot, ret;
188 
189 	mach = dev_get_platdata(dev);
190 	pname = mach->mach_params.platform;
191 	pdata = mach->pdata;
192 
193 	ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
194 	if (ret)
195 		return ret;
196 
197 	ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
198 
199 	if (ret) {
200 		dev_err(dev, "Failed to create dai link: %d", ret);
201 		return ret;
202 	}
203 
204 	jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
205 	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
206 	if (!jack || !card)
207 		return -ENOMEM;
208 
209 	if (pdata->obsolete_card_names) {
210 		card->name = "avs_rt286";
211 	} else {
212 		card->driver_name = "avs_rt286";
213 		card->long_name = card->name = "AVS I2S ALC286";
214 	}
215 	card->dev = dev;
216 	card->owner = THIS_MODULE;
217 	card->suspend_pre = avs_card_suspend_pre;
218 	card->resume_post = avs_card_resume_post;
219 	card->dai_link = dai_link;
220 	card->num_links = 1;
221 	card->controls = card_controls;
222 	card->num_controls = ARRAY_SIZE(card_controls);
223 	card->dapm_widgets = card_widgets;
224 	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
225 	card->dapm_routes = card_base_routes;
226 	card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
227 	card->fully_routed = true;
228 	snd_soc_card_set_drvdata(card, jack);
229 
230 	ret = snd_soc_fixup_dai_links_platform_name(card, pname);
231 	if (ret)
232 		return ret;
233 
234 	return devm_snd_soc_register_deferrable_card(dev, card);
235 }
236 
237 static const struct platform_device_id avs_rt286_driver_ids[] = {
238 	{
239 		.name = "avs_rt286",
240 	},
241 	{},
242 };
243 MODULE_DEVICE_TABLE(platform, avs_rt286_driver_ids);
244 
245 static struct platform_driver avs_rt286_driver = {
246 	.probe = avs_rt286_probe,
247 	.driver = {
248 		.name = "avs_rt286",
249 		.pm = &snd_soc_pm_ops,
250 	},
251 	.id_table = avs_rt286_driver_ids,
252 };
253 
254 module_platform_driver(avs_rt286_driver);
255 
256 MODULE_DESCRIPTION("Intel rt286 machine driver");
257 MODULE_LICENSE("GPL");
258