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