1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2022-2023 Intel Corporation. All rights reserved.
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
19 #define RT5663_CODEC_DAI "rt5663-aif"
20
21 struct rt5663_private {
22 struct snd_soc_jack jack;
23 };
24
25 static const struct snd_kcontrol_new card_controls[] = {
26 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
27 SOC_DAPM_PIN_SWITCH("Headset Mic"),
28 };
29
30 static const struct snd_soc_dapm_widget card_widgets[] = {
31 SND_SOC_DAPM_HP("Headphone Jack", NULL),
32 SND_SOC_DAPM_MIC("Headset Mic", NULL),
33 };
34
35 static const struct snd_soc_dapm_route card_routes[] = {
36 /* HP jack connectors */
37 { "Headphone Jack", NULL, "HPOL" },
38 { "Headphone Jack", NULL, "HPOR" },
39
40 /* Mic jacks */
41 { "IN1P", NULL, "Headset Mic" },
42 { "IN1N", NULL, "Headset Mic" },
43 };
44
45 static struct snd_soc_jack_pin card_headset_pins[] = {
46 {
47 .pin = "Headphone Jack",
48 .mask = SND_JACK_HEADPHONE,
49 },
50 {
51 .pin = "Headset Mic",
52 .mask = SND_JACK_MICROPHONE,
53 },
54 };
55
avs_rt5663_codec_init(struct snd_soc_pcm_runtime * runtime)56 static int avs_rt5663_codec_init(struct snd_soc_pcm_runtime *runtime)
57 {
58 struct snd_soc_card *card = runtime->card;
59 struct rt5663_private *priv = snd_soc_card_get_drvdata(card);
60 struct snd_soc_jack_pin *pins;
61 struct snd_soc_jack *jack;
62 int num_pins, ret;
63
64 jack = &priv->jack;
65 num_pins = ARRAY_SIZE(card_headset_pins);
66
67 pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
68 if (!pins)
69 return -ENOMEM;
70
71 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
72 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
73 pins, num_pins);
74 if (ret)
75 return ret;
76
77 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
78 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
79 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
80 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
81
82 snd_soc_component_set_jack(asoc_rtd_to_codec(runtime, 0)->component, jack, NULL);
83
84 return 0;
85 }
86
avs_rt5663_codec_exit(struct snd_soc_pcm_runtime * runtime)87 static void avs_rt5663_codec_exit(struct snd_soc_pcm_runtime *runtime)
88 {
89 snd_soc_component_set_jack(asoc_rtd_to_codec(runtime, 0)->component, NULL, NULL);
90 }
91
92 static int
avs_rt5663_be_fixup(struct snd_soc_pcm_runtime * runtime,struct snd_pcm_hw_params * params)93 avs_rt5663_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
94 {
95 struct snd_interval *rate, *channels;
96 struct snd_mask *fmt;
97
98 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
99 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
100 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
101
102 /* The ADSP will convert the FE rate to 48k, stereo */
103 rate->min = rate->max = 48000;
104 channels->min = channels->max = 2;
105
106 /* set SSPN to 24 bit */
107 snd_mask_none(fmt);
108 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
109
110 return 0;
111 }
112
avs_rt5663_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)113 static int avs_rt5663_hw_params(struct snd_pcm_substream *substream,
114 struct snd_pcm_hw_params *params)
115 {
116 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
117 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
118 int ret;
119
120 /* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
121 rt5663_sel_asrc_clk_src(codec_dai->component,
122 RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
123 RT5663_CLK_SEL_I2S1_ASRC);
124
125 ret = snd_soc_dai_set_sysclk(codec_dai, RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
126
127 return ret;
128 }
129
130 static const struct snd_soc_ops avs_rt5663_ops = {
131 .hw_params = avs_rt5663_hw_params,
132 };
133
134
avs_create_dai_link(struct device * dev,const char * platform_name,int ssp_port,struct snd_soc_dai_link ** dai_link)135 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
136 struct snd_soc_dai_link **dai_link)
137 {
138 struct snd_soc_dai_link_component *platform;
139 struct snd_soc_dai_link *dl;
140
141 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
142 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
143 if (!dl || !platform)
144 return -ENOMEM;
145
146 platform->name = platform_name;
147
148 dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port);
149 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
150 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
151 if (!dl->name || !dl->cpus || !dl->codecs)
152 return -ENOMEM;
153
154 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port);
155 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5663:00");
156 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5663_CODEC_DAI);
157 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
158 return -ENOMEM;
159
160 dl->num_cpus = 1;
161 dl->num_codecs = 1;
162 dl->platforms = platform;
163 dl->num_platforms = 1;
164 dl->id = 0;
165 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
166 dl->init = avs_rt5663_codec_init;
167 dl->exit = avs_rt5663_codec_exit;
168 dl->be_hw_params_fixup = avs_rt5663_be_fixup;
169 dl->nonatomic = 1;
170 dl->no_pcm = 1;
171 dl->dpcm_capture = 1;
172 dl->dpcm_playback = 1;
173 dl->ops = &avs_rt5663_ops;
174
175 *dai_link = dl;
176
177 return 0;
178 }
179
avs_card_suspend_pre(struct snd_soc_card * card)180 static int avs_card_suspend_pre(struct snd_soc_card *card)
181 {
182 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
183
184 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
185 }
186
avs_card_resume_post(struct snd_soc_card * card)187 static int avs_card_resume_post(struct snd_soc_card *card)
188 {
189 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
190 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
191
192 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
193 }
194
avs_rt5663_probe(struct platform_device * pdev)195 static int avs_rt5663_probe(struct platform_device *pdev)
196 {
197 struct snd_soc_dai_link *dai_link;
198 struct snd_soc_acpi_mach *mach;
199 struct snd_soc_card *card;
200 struct rt5663_private *priv;
201 struct device *dev = &pdev->dev;
202 const char *pname;
203 int ssp_port, ret;
204
205 mach = dev_get_platdata(dev);
206 pname = mach->mach_params.platform;
207 ssp_port = __ffs(mach->mach_params.i2s_link_mask);
208
209 ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link);
210 if (ret) {
211 dev_err(dev, "Failed to create dai link: %d", ret);
212 return ret;
213 }
214
215 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
216 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
217 if (!priv || !card)
218 return -ENOMEM;
219
220 card->name = "avs_rt5663";
221 card->dev = dev;
222 card->owner = THIS_MODULE;
223 card->suspend_pre = avs_card_suspend_pre;
224 card->resume_post = avs_card_resume_post;
225 card->dai_link = dai_link;
226 card->num_links = 1;
227 card->controls = card_controls;
228 card->num_controls = ARRAY_SIZE(card_controls);
229 card->dapm_widgets = card_widgets;
230 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
231 card->dapm_routes = card_routes;
232 card->num_dapm_routes = ARRAY_SIZE(card_routes);
233 card->fully_routed = true;
234 snd_soc_card_set_drvdata(card, priv);
235
236 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
237 if (ret)
238 return ret;
239
240 return devm_snd_soc_register_card(dev, card);
241 }
242
243 static struct platform_driver avs_rt5663_driver = {
244 .probe = avs_rt5663_probe,
245 .driver = {
246 .name = "avs_rt5663",
247 .pm = &snd_soc_pm_ops,
248 },
249 };
250
251 module_platform_driver(avs_rt5663_driver);
252
253 MODULE_LICENSE("GPL");
254 MODULE_ALIAS("platform:avs_rt5663");
255