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
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(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
63 if (!pins)
64 return -ENOMEM;
65
66 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0,
67 jack, pins, num_pins);
68 if (ret)
69 return ret;
70
71 return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
72 }
73
74 static void avs_rt286_codec_exit(struct snd_soc_pcm_runtime *rtd)
75 {
76 snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
77 }
78
79 static int avs_rt286_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
80 {
81 struct snd_interval *rate, *channels;
82 struct snd_mask *fmt;
83
84 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
85 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
86 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
87
88 /* The ADSP will convert the FE rate to 48k, stereo */
89 rate->min = rate->max = 48000;
90 channels->min = channels->max = 2;
91
92 /* set SSP0 to 24 bit */
93 snd_mask_none(fmt);
94 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
95
96 return 0;
97 }
98
99 static int
100 avs_rt286_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
101 {
102 struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
103 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
104 int ret;
105
106 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
107 if (ret < 0)
108 dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret);
109
110 return ret;
111 }
112
113 static const struct snd_soc_ops avs_rt286_ops = {
114 .hw_params = avs_rt286_hw_params,
115 };
116
117 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
118 int tdm_slot, struct snd_soc_dai_link **dai_link)
119 {
120 struct snd_soc_dai_link_component *platform;
121 struct snd_soc_dai_link *dl;
122
123 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
124 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
125 if (!dl || !platform)
126 return -ENOMEM;
127
128 platform->name = platform_name;
129
130 dl->name = devm_kasprintf(dev, GFP_KERNEL,
131 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
132 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
133 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
134 if (!dl->name || !dl->cpus || !dl->codecs)
135 return -ENOMEM;
136
137 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
138 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
139 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00");
140 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT286_CODEC_DAI);
141 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
142 return -ENOMEM;
143
144 dl->num_cpus = 1;
145 dl->num_codecs = 1;
146 dl->platforms = platform;
147 dl->num_platforms = 1;
148 dl->id = 0;
149 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS;
150 dl->init = avs_rt286_codec_init;
151 dl->exit = avs_rt286_codec_exit;
152 dl->be_hw_params_fixup = avs_rt286_be_fixup;
153 dl->ops = &avs_rt286_ops;
154 dl->nonatomic = 1;
155 dl->no_pcm = 1;
156 dl->dpcm_capture = 1;
157 dl->dpcm_playback = 1;
158
159 *dai_link = dl;
160
161 return 0;
162 }
163
164 static int avs_card_suspend_pre(struct snd_soc_card *card)
165 {
166 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI);
167
168 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
169 }
170
171 static int avs_card_resume_post(struct snd_soc_card *card)
172 {
173 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI);
174 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
175
176 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
177 }
178
179 static int avs_rt286_probe(struct platform_device *pdev)
180 {
181 struct snd_soc_dai_link *dai_link;
182 struct snd_soc_acpi_mach *mach;
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
192 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
193 if (ret)
194 return ret;
195
196 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
197
198 if (ret) {
199 dev_err(dev, "Failed to create dai link: %d", ret);
200 return ret;
201 }
202
203 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
204 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
205 if (!jack || !card)
206 return -ENOMEM;
207
208 card->name = "avs_rt286";
209 card->dev = dev;
210 card->owner = THIS_MODULE;
211 card->suspend_pre = avs_card_suspend_pre;
212 card->resume_post = avs_card_resume_post;
213 card->dai_link = dai_link;
214 card->num_links = 1;
215 card->controls = card_controls;
216 card->num_controls = ARRAY_SIZE(card_controls);
217 card->dapm_widgets = card_widgets;
218 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
219 card->dapm_routes = card_base_routes;
220 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
221 card->fully_routed = true;
222 snd_soc_card_set_drvdata(card, jack);
223
224 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
225 if (ret)
226 return ret;
227
228 return devm_snd_soc_register_card(dev, card);
229 }
230
231 static const struct platform_device_id avs_rt286_driver_ids[] = {
232 {
233 .name = "avs_rt286",
234 },
235 {},
236 };
237 MODULE_DEVICE_TABLE(platform, avs_rt286_driver_ids);
238
239 static struct platform_driver avs_rt286_driver = {
240 .probe = avs_rt286_probe,
241 .driver = {
242 .name = "avs_rt286",
243 .pm = &snd_soc_pm_ops,
244 },
245 .id_table = avs_rt286_driver_ids,
246 };
247
248 module_platform_driver(avs_rt286_driver);
249
250 MODULE_DESCRIPTION("Intel rt286 machine driver");
251 MODULE_LICENSE("GPL");
252
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