1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright(c) 2022-2023 Intel Corporation. All rights reserved.
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
19#define RT5663_CODEC_DAI	"rt5663-aif"
20
21struct rt5663_private {
22	struct snd_soc_jack jack;
23};
24
25static const struct snd_kcontrol_new card_controls[] = {
26	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
27	SOC_DAPM_PIN_SWITCH("Headset Mic"),
28};
29
30static const struct snd_soc_dapm_widget card_widgets[] = {
31	SND_SOC_DAPM_HP("Headphone Jack", NULL),
32	SND_SOC_DAPM_MIC("Headset Mic", NULL),
33};
34
35static const struct snd_soc_dapm_route card_routes[] = {
36	/* HP jack connectors */
37	{ "Headphone Jack", NULL, "HPOL" },
38	{ "Headphone Jack", NULL, "HPOR" },
39
40	/* Mic jacks */
41	{ "IN1P", NULL, "Headset Mic" },
42	{ "IN1N", NULL, "Headset Mic" },
43};
44
45static struct snd_soc_jack_pin card_headset_pins[] = {
46	{
47		.pin = "Headphone Jack",
48		.mask = SND_JACK_HEADPHONE,
49	},
50	{
51		.pin = "Headset Mic",
52		.mask = SND_JACK_MICROPHONE,
53	},
54};
55
56static int avs_rt5663_codec_init(struct snd_soc_pcm_runtime *runtime)
57{
58	struct snd_soc_card *card = runtime->card;
59	struct rt5663_private *priv = snd_soc_card_get_drvdata(card);
60	struct snd_soc_jack_pin *pins;
61	struct snd_soc_jack *jack;
62	int num_pins, ret;
63
64	jack = &priv->jack;
65	num_pins = ARRAY_SIZE(card_headset_pins);
66
67	pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
68	if (!pins)
69		return -ENOMEM;
70
71	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
72					 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
73					 pins, num_pins);
74	if (ret)
75		return ret;
76
77	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
78	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
79	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
80	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
81
82	snd_soc_component_set_jack(asoc_rtd_to_codec(runtime, 0)->component, jack, NULL);
83
84	return 0;
85}
86
87static void avs_rt5663_codec_exit(struct snd_soc_pcm_runtime *runtime)
88{
89	snd_soc_component_set_jack(asoc_rtd_to_codec(runtime, 0)->component, NULL, NULL);
90}
91
92static int
93avs_rt5663_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
94{
95	struct snd_interval *rate, *channels;
96	struct snd_mask *fmt;
97
98	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
99	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
100	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
101
102	/* The ADSP will convert the FE rate to 48k, stereo */
103	rate->min = rate->max = 48000;
104	channels->min = channels->max = 2;
105
106	/* set SSPN to 24 bit */
107	snd_mask_none(fmt);
108	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
109
110	return 0;
111}
112
113static int avs_rt5663_hw_params(struct snd_pcm_substream *substream,
114				struct snd_pcm_hw_params *params)
115{
116	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
117	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
118	int ret;
119
120	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
121	rt5663_sel_asrc_clk_src(codec_dai->component,
122				RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
123				RT5663_CLK_SEL_I2S1_ASRC);
124
125	ret = snd_soc_dai_set_sysclk(codec_dai, RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
126
127	return ret;
128}
129
130static const struct snd_soc_ops avs_rt5663_ops = {
131	.hw_params = avs_rt5663_hw_params,
132};
133
134
135static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
136			       struct snd_soc_dai_link **dai_link)
137{
138	struct snd_soc_dai_link_component *platform;
139	struct snd_soc_dai_link *dl;
140
141	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
142	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
143	if (!dl || !platform)
144		return -ENOMEM;
145
146	platform->name = platform_name;
147
148	dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port);
149	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
150	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
151	if (!dl->name || !dl->cpus || !dl->codecs)
152		return -ENOMEM;
153
154	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port);
155	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5663:00");
156	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5663_CODEC_DAI);
157	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
158		return -ENOMEM;
159
160	dl->num_cpus = 1;
161	dl->num_codecs = 1;
162	dl->platforms = platform;
163	dl->num_platforms = 1;
164	dl->id = 0;
165	dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
166	dl->init = avs_rt5663_codec_init;
167	dl->exit = avs_rt5663_codec_exit;
168	dl->be_hw_params_fixup = avs_rt5663_be_fixup;
169	dl->nonatomic = 1;
170	dl->no_pcm = 1;
171	dl->dpcm_capture = 1;
172	dl->dpcm_playback = 1;
173	dl->ops = &avs_rt5663_ops;
174
175	*dai_link = dl;
176
177	return 0;
178}
179
180static int avs_card_suspend_pre(struct snd_soc_card *card)
181{
182	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
183
184	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
185}
186
187static int avs_card_resume_post(struct snd_soc_card *card)
188{
189	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
190	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
191
192	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
193}
194
195static int avs_rt5663_probe(struct platform_device *pdev)
196{
197	struct snd_soc_dai_link *dai_link;
198	struct snd_soc_acpi_mach *mach;
199	struct snd_soc_card *card;
200	struct rt5663_private *priv;
201	struct device *dev = &pdev->dev;
202	const char *pname;
203	int ssp_port, ret;
204
205	mach = dev_get_platdata(dev);
206	pname = mach->mach_params.platform;
207	ssp_port = __ffs(mach->mach_params.i2s_link_mask);
208
209	ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link);
210	if (ret) {
211		dev_err(dev, "Failed to create dai link: %d", ret);
212		return ret;
213	}
214
215	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
216	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
217	if (!priv || !card)
218		return -ENOMEM;
219
220	card->name = "avs_rt5663";
221	card->dev = dev;
222	card->owner = THIS_MODULE;
223	card->suspend_pre = avs_card_suspend_pre;
224	card->resume_post = avs_card_resume_post;
225	card->dai_link = dai_link;
226	card->num_links = 1;
227	card->controls = card_controls;
228	card->num_controls = ARRAY_SIZE(card_controls);
229	card->dapm_widgets = card_widgets;
230	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
231	card->dapm_routes = card_routes;
232	card->num_dapm_routes = ARRAY_SIZE(card_routes);
233	card->fully_routed = true;
234	snd_soc_card_set_drvdata(card, priv);
235
236	ret = snd_soc_fixup_dai_links_platform_name(card, pname);
237	if (ret)
238		return ret;
239
240	return devm_snd_soc_register_card(dev, card);
241}
242
243static struct platform_driver avs_rt5663_driver = {
244	.probe = avs_rt5663_probe,
245	.driver = {
246		.name = "avs_rt5663",
247		.pm = &snd_soc_pm_ops,
248	},
249};
250
251module_platform_driver(avs_rt5663_driver);
252
253MODULE_LICENSE("GPL");
254MODULE_ALIAS("platform:avs_rt5663");
255