1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2022-2023 Intel Corporation
4 //
5 // Authors: Cezary Rojewski <[email protected]>
6 // Amadeusz Slawinski <[email protected]>
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
avs_rt5663_codec_init(struct snd_soc_pcm_runtime * runtime)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
avs_rt5663_codec_exit(struct snd_soc_pcm_runtime * runtime)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
avs_rt5663_be_fixup(struct snd_soc_pcm_runtime * runtime,struct snd_pcm_hw_params * params)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
avs_rt5663_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)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
avs_create_dai_link(struct device * dev,const char * platform_name,int ssp_port,int tdm_slot,struct snd_soc_dai_link ** dai_link)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->ops = &avs_rt5663_ops;
175
176 *dai_link = dl;
177
178 return 0;
179 }
180
avs_card_suspend_pre(struct snd_soc_card * card)181 static int avs_card_suspend_pre(struct snd_soc_card *card)
182 {
183 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
184
185 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
186 }
187
avs_card_resume_post(struct snd_soc_card * card)188 static int avs_card_resume_post(struct snd_soc_card *card)
189 {
190 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
191 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
192
193 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
194 }
195
avs_rt5663_probe(struct platform_device * pdev)196 static int avs_rt5663_probe(struct platform_device *pdev)
197 {
198 struct snd_soc_dai_link *dai_link;
199 struct snd_soc_acpi_mach *mach;
200 struct snd_soc_card *card;
201 struct rt5663_private *priv;
202 struct device *dev = &pdev->dev;
203 const char *pname;
204 int ssp_port, tdm_slot, ret;
205
206 mach = dev_get_platdata(dev);
207 pname = mach->mach_params.platform;
208
209 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
210 if (ret)
211 return ret;
212
213 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
214 if (ret) {
215 dev_err(dev, "Failed to create dai link: %d", ret);
216 return ret;
217 }
218
219 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
220 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
221 if (!priv || !card)
222 return -ENOMEM;
223
224 card->name = "avs_rt5663";
225 card->dev = dev;
226 card->owner = THIS_MODULE;
227 card->suspend_pre = avs_card_suspend_pre;
228 card->resume_post = avs_card_resume_post;
229 card->dai_link = dai_link;
230 card->num_links = 1;
231 card->controls = card_controls;
232 card->num_controls = ARRAY_SIZE(card_controls);
233 card->dapm_widgets = card_widgets;
234 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
235 card->dapm_routes = card_routes;
236 card->num_dapm_routes = ARRAY_SIZE(card_routes);
237 card->fully_routed = true;
238 snd_soc_card_set_drvdata(card, priv);
239
240 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
241 if (ret)
242 return ret;
243
244 return devm_snd_soc_register_card(dev, card);
245 }
246
247 static const struct platform_device_id avs_rt5663_driver_ids[] = {
248 {
249 .name = "avs_rt5663",
250 },
251 {},
252 };
253 MODULE_DEVICE_TABLE(platform, avs_rt5663_driver_ids);
254
255 static struct platform_driver avs_rt5663_driver = {
256 .probe = avs_rt5663_probe,
257 .driver = {
258 .name = "avs_rt5663",
259 .pm = &snd_soc_pm_ops,
260 },
261 .id_table = avs_rt5663_driver_ids,
262 };
263
264 module_platform_driver(avs_rt5663_driver);
265
266 MODULE_DESCRIPTION("Intel rt5663 machine driver");
267 MODULE_LICENSE("GPL");
268