1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2022-2023 Intel Corporation
4 //
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7 //
8
9 #include <linux/clk.h>
10 #include <linux/input.h>
11 #include <linux/module.h>
12 #include <sound/jack.h>
13 #include <sound/pcm.h>
14 #include <sound/pcm_params.h>
15 #include <sound/soc.h>
16 #include <sound/soc-acpi.h>
17 #include "../../../codecs/rt5663.h"
18 #include "../utils.h"
19
20 #define RT5663_CODEC_DAI "rt5663-aif"
21
22 struct rt5663_private {
23 struct snd_soc_jack jack;
24 };
25
26 static const struct snd_kcontrol_new card_controls[] = {
27 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
28 SOC_DAPM_PIN_SWITCH("Headset Mic"),
29 };
30
31 static const struct snd_soc_dapm_widget card_widgets[] = {
32 SND_SOC_DAPM_HP("Headphone Jack", NULL),
33 SND_SOC_DAPM_MIC("Headset Mic", NULL),
34 };
35
36 static const struct snd_soc_dapm_route card_routes[] = {
37 /* HP jack connectors */
38 { "Headphone Jack", NULL, "HPOL" },
39 { "Headphone Jack", NULL, "HPOR" },
40
41 /* Mic jacks */
42 { "IN1P", NULL, "Headset Mic" },
43 { "IN1N", NULL, "Headset Mic" },
44 };
45
46 static const struct snd_soc_jack_pin card_headset_pins[] = {
47 {
48 .pin = "Headphone Jack",
49 .mask = SND_JACK_HEADPHONE,
50 },
51 {
52 .pin = "Headset Mic",
53 .mask = SND_JACK_MICROPHONE,
54 },
55 };
56
57 static int avs_rt5663_codec_init(struct snd_soc_pcm_runtime *runtime)
58 {
59 struct snd_soc_card *card = runtime->card;
60 struct rt5663_private *priv = snd_soc_card_get_drvdata(card);
61 struct snd_soc_jack_pin *pins;
62 struct snd_soc_jack *jack;
63 int num_pins, ret;
64
65 jack = &priv->jack;
66 num_pins = ARRAY_SIZE(card_headset_pins);
67
68 pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
69 if (!pins)
70 return -ENOMEM;
71
72 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
73 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
74 pins, num_pins);
75 if (ret)
76 return ret;
77
78 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
79 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
80 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
81 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
82
83 snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
84
85 return 0;
86 }
87
88 static void avs_rt5663_codec_exit(struct snd_soc_pcm_runtime *runtime)
89 {
90 snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, NULL, NULL);
91 }
92
93 static int
94 avs_rt5663_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
95 {
96 struct snd_interval *rate, *channels;
97 struct snd_mask *fmt;
98
99 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
100 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
101 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
102
103 /* The ADSP will convert the FE rate to 48k, stereo */
104 rate->min = rate->max = 48000;
105 channels->min = channels->max = 2;
106
107 /* set SSPN to 24 bit */
108 snd_mask_none(fmt);
109 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
110
111 return 0;
112 }
113
114 static int avs_rt5663_hw_params(struct snd_pcm_substream *substream,
115 struct snd_pcm_hw_params *params)
116 {
117 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
118 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
119 int ret;
120
121 /* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
122 rt5663_sel_asrc_clk_src(codec_dai->component,
123 RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
124 RT5663_CLK_SEL_I2S1_ASRC);
125
126 ret = snd_soc_dai_set_sysclk(codec_dai, RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
127
128 return ret;
129 }
130
131 static const struct snd_soc_ops avs_rt5663_ops = {
132 .hw_params = avs_rt5663_hw_params,
133 };
134
135
136 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
137 int tdm_slot, struct snd_soc_dai_link **dai_link)
138 {
139 struct snd_soc_dai_link_component *platform;
140 struct snd_soc_dai_link *dl;
141
142 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
143 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
144 if (!dl || !platform)
145 return -ENOMEM;
146
147 platform->name = platform_name;
148
149 dl->name = devm_kasprintf(dev, GFP_KERNEL,
150 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
151 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
152 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
153 if (!dl->name || !dl->cpus || !dl->codecs)
154 return -ENOMEM;
155
156 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
157 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
158 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5663:00");
159 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5663_CODEC_DAI);
160 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
161 return -ENOMEM;
162
163 dl->num_cpus = 1;
164 dl->num_codecs = 1;
165 dl->platforms = platform;
166 dl->num_platforms = 1;
167 dl->id = 0;
168 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
169 dl->init = avs_rt5663_codec_init;
170 dl->exit = avs_rt5663_codec_exit;
171 dl->be_hw_params_fixup = avs_rt5663_be_fixup;
172 dl->nonatomic = 1;
173 dl->no_pcm = 1;
174 dl->dpcm_capture = 1;
175 dl->dpcm_playback = 1;
176 dl->ops = &avs_rt5663_ops;
177
178 *dai_link = dl;
179
180 return 0;
181 }
182
183 static int avs_card_suspend_pre(struct snd_soc_card *card)
184 {
185 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
186
187 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
188 }
189
190 static int avs_card_resume_post(struct snd_soc_card *card)
191 {
192 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
193 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
194
195 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
196 }
197
198 static int avs_rt5663_probe(struct platform_device *pdev)
199 {
200 struct snd_soc_dai_link *dai_link;
201 struct snd_soc_acpi_mach *mach;
202 struct snd_soc_card *card;
203 struct rt5663_private *priv;
204 struct device *dev = &pdev->dev;
205 const char *pname;
206 int ssp_port, tdm_slot, ret;
207
208 mach = dev_get_platdata(dev);
209 pname = mach->mach_params.platform;
210
211 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
212 if (ret)
213 return ret;
214
215 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
216 if (ret) {
217 dev_err(dev, "Failed to create dai link: %d", ret);
218 return ret;
219 }
220
221 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
222 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
223 if (!priv || !card)
224 return -ENOMEM;
225
226 card->name = "avs_rt5663";
227 card->dev = dev;
228 card->owner = THIS_MODULE;
229 card->suspend_pre = avs_card_suspend_pre;
230 card->resume_post = avs_card_resume_post;
231 card->dai_link = dai_link;
232 card->num_links = 1;
233 card->controls = card_controls;
234 card->num_controls = ARRAY_SIZE(card_controls);
235 card->dapm_widgets = card_widgets;
236 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
237 card->dapm_routes = card_routes;
238 card->num_dapm_routes = ARRAY_SIZE(card_routes);
239 card->fully_routed = true;
240 snd_soc_card_set_drvdata(card, priv);
241
242 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
243 if (ret)
244 return ret;
245
246 return devm_snd_soc_register_card(dev, card);
247 }
248
249 static const struct platform_device_id avs_rt5663_driver_ids[] = {
250 {
251 .name = "avs_rt5663",
252 },
253 {},
254 };
255 MODULE_DEVICE_TABLE(platform, avs_rt5663_driver_ids);
256
257 static struct platform_driver avs_rt5663_driver = {
258 .probe = avs_rt5663_probe,
259 .driver = {
260 .name = "avs_rt5663",
261 .pm = &snd_soc_pm_ops,
262 },
263 .id_table = avs_rt5663_driver_ids,
264 };
265
266 module_platform_driver(avs_rt5663_driver);
267
268 MODULE_DESCRIPTION("Intel rt5663 machine driver");
269 MODULE_LICENSE("GPL");
270
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