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  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
 32struct sof_card_private {
 33	struct list_head hdmi_pcm_list;
 34	bool idisp_codec;
 35};
 36
 37static 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
 45static 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
 53static 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
 68struct sof_hdmi_pcm {
 69	struct list_head head;
 70	struct snd_soc_dai *codec_dai;
 71	int device;
 72};
 73
 74static 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
 93static 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
109static 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
135static const struct snd_soc_ops rt5660_ops = {
136	.hw_params = rt5660_hw_params,
137};
138
139SND_SOC_DAILINK_DEF(ssp0_pin,
140	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
141
142SND_SOC_DAILINK_DEF(rt5660_codec,
143	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5660:00", "rt5660-aif1")));
144
145SND_SOC_DAILINK_DEF(platform,
146	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
147
148SND_SOC_DAILINK_DEF(dmic_pin,
149	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
150SND_SOC_DAILINK_DEF(dmic_codec,
151	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
152SND_SOC_DAILINK_DEF(dmic16k,
153	DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
154
155SND_SOC_DAILINK_DEF(idisp1_pin,
156	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
157SND_SOC_DAILINK_DEF(idisp1_codec,
158	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
159
160SND_SOC_DAILINK_DEF(idisp2_pin,
161	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
162SND_SOC_DAILINK_DEF(idisp2_codec,
163	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
164
165SND_SOC_DAILINK_DEF(idisp3_pin,
166	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
167SND_SOC_DAILINK_DEF(idisp3_codec,
168	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
169
170SND_SOC_DAILINK_DEF(idisp4_pin,
171	DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));
172SND_SOC_DAILINK_DEF(idisp4_codec,
173	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));
174
175static struct snd_soc_dai_link ehl_rt5660_dailink[] = {
176	/* back ends */
177	{
178		.name = "SSP0-Codec",
179		.id = 0,
180		.no_pcm = 1,
181		.ops = &rt5660_ops,
182		SND_SOC_DAILINK_REG(ssp0_pin, rt5660_codec, platform),
183	},
184	{
185		.name = "dmic48k",
186		.id = 1,
187		.ignore_suspend = 1,
188		.capture_only = 1,
189		.no_pcm = 1,
190		SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
191	},
192	{
193		.name = "dmic16k",
194		.id = 2,
195		.ignore_suspend = 1,
196		.capture_only = 1,
197		.no_pcm = 1,
198		SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
199	},
200	{
201		.name = "iDisp1",
202		.id = 5,
203		.init = hdmi_init,
204		.playback_only = 1,
205		.no_pcm = 1,
206		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
207	},
208	{
209		.name = "iDisp2",
210		.id = 6,
211		.init = hdmi_init,
212		.playback_only = 1,
213		.no_pcm = 1,
214		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
215	},
216	{
217		.name = "iDisp3",
218		.id = 7,
219		.init = hdmi_init,
220		.playback_only = 1,
221		.no_pcm = 1,
222		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
223	},
224	{
225		.name = "iDisp4",
226		.id = 8,
227		.init = hdmi_init,
228		.playback_only = 1,
229		.no_pcm = 1,
230		SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
231	},
232};
233
234/* SoC card */
235static struct snd_soc_card snd_soc_card_ehl_rt5660 = {
236	.name = "ehl-rt5660",
237	.owner = THIS_MODULE,
238	.dai_link = ehl_rt5660_dailink,
239	.num_links = ARRAY_SIZE(ehl_rt5660_dailink),
240	.dapm_widgets = rt5660_widgets,
241	.num_dapm_widgets = ARRAY_SIZE(rt5660_widgets),
242	.dapm_routes = rt5660_map,
243	.num_dapm_routes = ARRAY_SIZE(rt5660_map),
244	.controls = rt5660_controls,
245	.num_controls = ARRAY_SIZE(rt5660_controls),
246	.fully_routed = true,
247	.late_probe = card_late_probe,
248};
249
250/* If hdmi codec is not supported, switch to use dummy codec */
251static void hdmi_link_init(struct snd_soc_card *card,
252			   struct sof_card_private *ctx,
253			   struct snd_soc_acpi_mach *mach)
254{
255	int i;
256
257	if (mach->mach_params.codec_mask & IDISP_CODEC_MASK) {
258		ctx->idisp_codec = true;
259		return;
260	}
261
262	/*
263	 * if HDMI is not enabled in kernel config, or
264	 * hdmi codec is not supported
265	 */
266	for (i = HDMI_LINK_START; i <= HDMI_LINE_END; i++)
267		card->dai_link[i].codecs[0] = snd_soc_dummy_dlc;
268}
269
270static int snd_ehl_rt5660_probe(struct platform_device *pdev)
271{
272	struct snd_soc_acpi_mach *mach;
273	struct snd_soc_card *card = &snd_soc_card_ehl_rt5660;
274	struct sof_card_private *ctx;
275	int ret;
276
277	card->dev = &pdev->dev;
278
279	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
280	if (!ctx)
281		return -ENOMEM;
282	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
283	snd_soc_card_set_drvdata(card, ctx);
284
285	mach = pdev->dev.platform_data;
286	ret = snd_soc_fixup_dai_links_platform_name(card,
287						    mach->mach_params.platform);
288	if (ret)
289		return ret;
290
291	hdmi_link_init(card, ctx, mach);
292
293	return devm_snd_soc_register_card(&pdev->dev, card);
294}
295
296static const struct platform_device_id ehl_board_ids[] = {
297	{ .name = "ehl_rt5660" },
298	{ }
299};
300MODULE_DEVICE_TABLE(platform, ehl_board_ids);
301
302static struct platform_driver snd_ehl_rt5660_driver = {
303	.driver = {
304		.name = "ehl_rt5660",
305		.pm = &snd_soc_pm_ops,
306	},
307	.probe = snd_ehl_rt5660_probe,
308	.id_table = ehl_board_ids,
309};
310
311module_platform_driver(snd_ehl_rt5660_driver);
312
313MODULE_DESCRIPTION("ASoC Intel(R) Elkhartlake + rt5660 Machine driver");
314MODULE_AUTHOR("libin.yang@intel.com");
315MODULE_LICENSE("GPL v2");
316MODULE_IMPORT_NS("SND_SOC_INTEL_HDA_DSP_COMMON");