rt5663.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2//
  3// Copyright(c) 2022-2023 Intel Corporation
  4//
  5// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
  6//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
  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
 22struct rt5663_private {
 23	struct snd_soc_jack jack;
 24};
 25
 26static const struct snd_kcontrol_new card_controls[] = {
 27	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 28	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 29};
 30
 31static 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
 36static 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
 46static 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
 57static 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_array(card->dev, card_headset_pins, num_pins,
 69				  sizeof(card_headset_pins[0]), GFP_KERNEL);
 70	if (!pins)
 71		return -ENOMEM;
 72
 73	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
 74					 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
 75					 pins, num_pins);
 76	if (ret)
 77		return ret;
 78
 79	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 80	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 81	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 82	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
 83
 84	snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
 85
 86	return 0;
 87}
 88
 89static void avs_rt5663_codec_exit(struct snd_soc_pcm_runtime *runtime)
 90{
 91	snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, NULL, NULL);
 92}
 93
 94static int
 95avs_rt5663_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
 96{
 97	struct snd_interval *rate, *channels;
 98	struct snd_mask *fmt;
 99
100	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
101	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
102	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
103
104	/* The ADSP will convert the FE rate to 48k, stereo */
105	rate->min = rate->max = 48000;
106	channels->min = channels->max = 2;
107
108	/* set SSPN to 24 bit */
109	snd_mask_none(fmt);
110	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
111
112	return 0;
113}
114
115static int avs_rt5663_hw_params(struct snd_pcm_substream *substream,
116				struct snd_pcm_hw_params *params)
117{
118	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
119	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
120	int ret;
121
122	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
123	rt5663_sel_asrc_clk_src(codec_dai->component,
124				RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
125				RT5663_CLK_SEL_I2S1_ASRC);
126
127	ret = snd_soc_dai_set_sysclk(codec_dai, RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
128
129	return ret;
130}
131
132static const struct snd_soc_ops avs_rt5663_ops = {
133	.hw_params = avs_rt5663_hw_params,
134};
135
136
137static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot,
138			       struct snd_soc_dai_link **dai_link)
139{
140	struct snd_soc_dai_link_component *platform;
141	struct snd_soc_dai_link *dl;
142
143	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
144	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
145	if (!dl || !platform)
146		return -ENOMEM;
147
148	dl->name = devm_kasprintf(dev, GFP_KERNEL,
149				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
150	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
151	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
152	if (!dl->name || !dl->cpus || !dl->codecs)
153		return -ENOMEM;
154
155	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
156					    AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
157	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5663:00");
158	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5663_CODEC_DAI);
159	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
160		return -ENOMEM;
161
162	platform->name = dev_name(dev);
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
181static 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
188static 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
196static 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 avs_mach_pdata *pdata;
201	struct snd_soc_card *card;
202	struct rt5663_private *priv;
203	struct device *dev = &pdev->dev;
204	int ssp_port, tdm_slot, ret;
205
206	mach = dev_get_platdata(dev);
207	pdata = mach->pdata;
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, 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	if (pdata->obsolete_card_names) {
225		card->name = "avs_rt5663";
226	} else {
227		card->driver_name = "avs_rt5663";
228		card->long_name = card->name = "AVS I2S ALC5663";
229	}
230	card->dev = dev;
231	card->owner = THIS_MODULE;
232	card->suspend_pre = avs_card_suspend_pre;
233	card->resume_post = avs_card_resume_post;
234	card->dai_link = dai_link;
235	card->num_links = 1;
236	card->controls = card_controls;
237	card->num_controls = ARRAY_SIZE(card_controls);
238	card->dapm_widgets = card_widgets;
239	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
240	card->dapm_routes = card_routes;
241	card->num_dapm_routes = ARRAY_SIZE(card_routes);
242	card->fully_routed = true;
243	snd_soc_card_set_drvdata(card, priv);
244
245	return devm_snd_soc_register_deferrable_card(dev, card);
246}
247
248static const struct platform_device_id avs_rt5663_driver_ids[] = {
249	{
250		.name = "avs_rt5663",
251	},
252	{},
253};
254MODULE_DEVICE_TABLE(platform, avs_rt5663_driver_ids);
255
256static struct platform_driver avs_rt5663_driver = {
257	.probe = avs_rt5663_probe,
258	.driver = {
259		.name = "avs_rt5663",
260		.pm = &snd_soc_pm_ops,
261	},
262	.id_table = avs_rt5663_driver_ids,
263};
264
265module_platform_driver(avs_rt5663_driver);
266
267MODULE_DESCRIPTION("Intel rt5663 machine driver");
268MODULE_LICENSE("GPL");