1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2020 Intel Corporation
3
4 /*
5 * ehl_rt5660 - ASOC Machine driver for Elkhart Lake platforms
6 * with rt5660 codec
7 */
8
9 #include <linux/acpi.h>
10 #include <sound/core.h>
11 #include <linux/device.h>
12 #include <linux/errno.h>
13 #include <linux/gfp.h>
14 #include <sound/jack.h>
15 #include <linux/kernel.h>
16 #include <linux/list.h>
17 #include <linux/module.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/soc-acpi.h>
22
23 #include "hda_dsp_common.h"
24 #include "../../codecs/rt5660.h"
25
26 #define DUAL_CHANNEL 2
27 #define HDMI_LINK_START 3
28 #define HDMI_LINE_END 6
29 #define NAME_SIZE 32
30 #define IDISP_CODEC_MASK 0x4
31
32 struct sof_card_private {
33 struct list_head hdmi_pcm_list;
34 bool idisp_codec;
35 };
36
37 static const struct snd_kcontrol_new rt5660_controls[] = {
38 SOC_DAPM_PIN_SWITCH("Speaker"),
39 /* There are two MICBIAS in rt5660, each for one MIC */
40 SOC_DAPM_PIN_SWITCH("Headset Mic"),
41 SOC_DAPM_PIN_SWITCH("Headset Mic2"),
42 SOC_DAPM_PIN_SWITCH("Line Out"),
43 };
44
45 static const struct snd_soc_dapm_widget rt5660_widgets[] = {
46 SND_SOC_DAPM_SPK("Speaker", NULL),
47 SND_SOC_DAPM_MIC("Headset Mic", NULL),
48 SND_SOC_DAPM_MIC("Headset Mic2", NULL),
49 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
50 SND_SOC_DAPM_LINE("Line Out", NULL),
51 };
52
53 static const struct snd_soc_dapm_route rt5660_map[] = {
54 {"Speaker", NULL, "SPO"},
55
56 {"Headset Mic", NULL, "MICBIAS1"},
57 {"Headset Mic2", NULL, "MICBIAS2"},
58
59 {"IN1P", NULL, "Headset Mic"},
60 {"IN2P", NULL, "Headset Mic2"},
61
62 {"Line Out", NULL, "LOUTL"},
63 {"Line Out", NULL, "LOUTR"},
64
65 {"DMic", NULL, "SoC DMIC"},
66 };
67
68 struct sof_hdmi_pcm {
69 struct list_head head;
70 struct snd_soc_dai *codec_dai;
71 int device;
72 };
73
74 static int hdmi_init(struct snd_soc_pcm_runtime *rtd)
75 {
76 struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
77 struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
78 struct sof_hdmi_pcm *pcm;
79
80 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
81 if (!pcm)
82 return -ENOMEM;
83
84 /* dai_link id is 1:1 mapped to the PCM device */
85 pcm->device = rtd->dai_link->id;
86 pcm->codec_dai = dai;
87
88 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
89
90 return 0;
91 }
92
93 static int card_late_probe(struct snd_soc_card *card)
94 {
95 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
96 struct sof_hdmi_pcm *pcm;
97
98 if (list_empty(&ctx->hdmi_pcm_list))
99 return -ENOENT;
100
101 if (!ctx->idisp_codec)
102 return 0;
103
104 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm, head);
105
106 return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
107 }
108
109 static int rt5660_hw_params(struct snd_pcm_substream *substream,
110 struct snd_pcm_hw_params *params)
111 {
112 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
113 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
114 int ret;
115
116 ret = snd_soc_dai_set_sysclk(codec_dai,
117 RT5660_SCLK_S_PLL1,
118 params_rate(params) * 512,
119 SND_SOC_CLOCK_IN);
120 if (ret < 0) {
121 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
122 return ret;
123 }
124
125 ret = snd_soc_dai_set_pll(codec_dai, 0,
126 RT5660_PLL1_S_BCLK,
127 params_rate(params) * 50,
128 params_rate(params) * 512);
129 if (ret < 0)
130 dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
131
132 return ret;
133 }
134
135 static const struct snd_soc_ops rt5660_ops = {
136 .hw_params = rt5660_hw_params,
137 };
138
139 SND_SOC_DAILINK_DEF(ssp0_pin,
140 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
141
142 SND_SOC_DAILINK_DEF(rt5660_codec,
143 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5660:00", "rt5660-aif1")));
144
145 SND_SOC_DAILINK_DEF(platform,
146 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
147
148 SND_SOC_DAILINK_DEF(dmic_pin,
149 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
150 SND_SOC_DAILINK_DEF(dmic_codec,
151 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
152 SND_SOC_DAILINK_DEF(dmic16k,
153 DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
154
155 SND_SOC_DAILINK_DEF(idisp1_pin,
156 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
157 SND_SOC_DAILINK_DEF(idisp1_codec,
158 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
159
160 SND_SOC_DAILINK_DEF(idisp2_pin,
161 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
162 SND_SOC_DAILINK_DEF(idisp2_codec,
163 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
164
165 SND_SOC_DAILINK_DEF(idisp3_pin,
166 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
167 SND_SOC_DAILINK_DEF(idisp3_codec,
168 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
169
170 SND_SOC_DAILINK_DEF(idisp4_pin,
171 DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));
172 SND_SOC_DAILINK_DEF(idisp4_codec,
173 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));
174
175 static struct snd_soc_dai_link ehl_rt5660_dailink[] = {
176 /* back ends */
177 {
178 .name = "SSP0-Codec",
179 .id = 0,
180 .no_pcm = 1,
181 .dpcm_playback = 1,
182 .dpcm_capture = 1,
183 .ops = &rt5660_ops,
184 SND_SOC_DAILINK_REG(ssp0_pin, rt5660_codec, platform),
185 },
186 {
187 .name = "dmic48k",
188 .id = 1,
189 .ignore_suspend = 1,
190 .dpcm_capture = 1,
191 .no_pcm = 1,
192 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
193 },
194 {
195 .name = "dmic16k",
196 .id = 2,
197 .ignore_suspend = 1,
198 .dpcm_capture = 1,
199 .no_pcm = 1,
200 SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
201 },
202 {
203 .name = "iDisp1",
204 .id = 5,
205 .init = hdmi_init,
206 .dpcm_playback = 1,
207 .no_pcm = 1,
208 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
209 },
210 {
211 .name = "iDisp2",
212 .id = 6,
213 .init = hdmi_init,
214 .dpcm_playback = 1,
215 .no_pcm = 1,
216 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
217 },
218 {
219 .name = "iDisp3",
220 .id = 7,
221 .init = hdmi_init,
222 .dpcm_playback = 1,
223 .no_pcm = 1,
224 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
225 },
226 {
227 .name = "iDisp4",
228 .id = 8,
229 .init = hdmi_init,
230 .dpcm_playback = 1,
231 .no_pcm = 1,
232 SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
233 },
234 };
235
236 /* SoC card */
237 static struct snd_soc_card snd_soc_card_ehl_rt5660 = {
238 .name = "ehl-rt5660",
239 .owner = THIS_MODULE,
240 .dai_link = ehl_rt5660_dailink,
241 .num_links = ARRAY_SIZE(ehl_rt5660_dailink),
242 .dapm_widgets = rt5660_widgets,
243 .num_dapm_widgets = ARRAY_SIZE(rt5660_widgets),
244 .dapm_routes = rt5660_map,
245 .num_dapm_routes = ARRAY_SIZE(rt5660_map),
246 .controls = rt5660_controls,
247 .num_controls = ARRAY_SIZE(rt5660_controls),
248 .fully_routed = true,
249 .late_probe = card_late_probe,
250 };
251
252 /* If hdmi codec is not supported, switch to use dummy codec */
253 static void hdmi_link_init(struct snd_soc_card *card,
254 struct sof_card_private *ctx,
255 struct snd_soc_acpi_mach *mach)
256 {
257 int i;
258
259 if (mach->mach_params.common_hdmi_codec_drv &&
260 (mach->mach_params.codec_mask & IDISP_CODEC_MASK)) {
261 ctx->idisp_codec = true;
262 return;
263 }
264
265 /*
266 * if HDMI is not enabled in kernel config, or
267 * hdmi codec is not supported
268 */
269 for (i = HDMI_LINK_START; i <= HDMI_LINE_END; i++)
270 card->dai_link[i].codecs[0] = snd_soc_dummy_dlc;
271 }
272
273 static int snd_ehl_rt5660_probe(struct platform_device *pdev)
274 {
275 struct snd_soc_acpi_mach *mach;
276 struct snd_soc_card *card = &snd_soc_card_ehl_rt5660;
277 struct sof_card_private *ctx;
278 int ret;
279
280 card->dev = &pdev->dev;
281
282 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
283 if (!ctx)
284 return -ENOMEM;
285 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
286 snd_soc_card_set_drvdata(card, ctx);
287
288 mach = pdev->dev.platform_data;
289 ret = snd_soc_fixup_dai_links_platform_name(card,
290 mach->mach_params.platform);
291 if (ret)
292 return ret;
293
294 hdmi_link_init(card, ctx, mach);
295
296 return devm_snd_soc_register_card(&pdev->dev, card);
297 }
298
299 static const struct platform_device_id ehl_board_ids[] = {
300 { .name = "ehl_rt5660" },
301 { }
302 };
303 MODULE_DEVICE_TABLE(platform, ehl_board_ids);
304
305 static struct platform_driver snd_ehl_rt5660_driver = {
306 .driver = {
307 .name = "ehl_rt5660",
308 .pm = &snd_soc_pm_ops,
309 },
310 .probe = snd_ehl_rt5660_probe,
311 .id_table = ehl_board_ids,
312 };
313
314 module_platform_driver(snd_ehl_rt5660_driver);
315
316 MODULE_DESCRIPTION("ASoC Intel(R) Elkhartlake + rt5660 Machine driver");
317 MODULE_AUTHOR("libin.yang@intel.com");
318 MODULE_LICENSE("GPL v2");
319 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
320
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