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#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 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(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
69	if (!pins)
70		return -ENOMEM;
71
72	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
73					 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
74					 pins, num_pins);
75	if (ret)
76		return ret;
77
78	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
79	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
80	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
81	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
82
83	snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
84
85	return 0;
86}
87
88static void avs_rt5663_codec_exit(struct snd_soc_pcm_runtime *runtime)
89{
90	snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, NULL, NULL);
91}
92
93static int
94avs_rt5663_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
95{
96	struct snd_interval *rate, *channels;
97	struct snd_mask *fmt;
98
99	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
100	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
101	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
102
103	/* The ADSP will convert the FE rate to 48k, stereo */
104	rate->min = rate->max = 48000;
105	channels->min = channels->max = 2;
106
107	/* set SSPN to 24 bit */
108	snd_mask_none(fmt);
109	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
110
111	return 0;
112}
113
114static int avs_rt5663_hw_params(struct snd_pcm_substream *substream,
115				struct snd_pcm_hw_params *params)
116{
117	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
118	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
119	int ret;
120
121	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
122	rt5663_sel_asrc_clk_src(codec_dai->component,
123				RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
124				RT5663_CLK_SEL_I2S1_ASRC);
125
126	ret = snd_soc_dai_set_sysclk(codec_dai, RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
127
128	return ret;
129}
130
131static const struct snd_soc_ops avs_rt5663_ops = {
132	.hw_params = avs_rt5663_hw_params,
133};
134
135
136static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
137			       int tdm_slot, struct snd_soc_dai_link **dai_link)
138{
139	struct snd_soc_dai_link_component *platform;
140	struct snd_soc_dai_link *dl;
141
142	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
143	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
144	if (!dl || !platform)
145		return -ENOMEM;
146
147	platform->name = platform_name;
148
149	dl->name = devm_kasprintf(dev, GFP_KERNEL,
150				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
151	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
152	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
153	if (!dl->name || !dl->cpus || !dl->codecs)
154		return -ENOMEM;
155
156	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
157					    AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
158	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5663:00");
159	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT5663_CODEC_DAI);
160	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
161		return -ENOMEM;
162
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->dpcm_capture = 1;
175	dl->dpcm_playback = 1;
176	dl->ops = &avs_rt5663_ops;
177
178	*dai_link = dl;
179
180	return 0;
181}
182
183static int avs_card_suspend_pre(struct snd_soc_card *card)
184{
185	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
186
187	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
188}
189
190static int avs_card_resume_post(struct snd_soc_card *card)
191{
192	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT5663_CODEC_DAI);
193	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
194
195	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
196}
197
198static int avs_rt5663_probe(struct platform_device *pdev)
199{
200	struct snd_soc_dai_link *dai_link;
201	struct snd_soc_acpi_mach *mach;
202	struct snd_soc_card *card;
203	struct rt5663_private *priv;
204	struct device *dev = &pdev->dev;
205	const char *pname;
206	int ssp_port, tdm_slot, ret;
207
208	mach = dev_get_platdata(dev);
209	pname = mach->mach_params.platform;
210
211	ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
212	if (ret)
213		return ret;
214
215	ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
216	if (ret) {
217		dev_err(dev, "Failed to create dai link: %d", ret);
218		return ret;
219	}
220
221	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
222	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
223	if (!priv || !card)
224		return -ENOMEM;
225
226	card->name = "avs_rt5663";
227	card->dev = dev;
228	card->owner = THIS_MODULE;
229	card->suspend_pre = avs_card_suspend_pre;
230	card->resume_post = avs_card_resume_post;
231	card->dai_link = dai_link;
232	card->num_links = 1;
233	card->controls = card_controls;
234	card->num_controls = ARRAY_SIZE(card_controls);
235	card->dapm_widgets = card_widgets;
236	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
237	card->dapm_routes = card_routes;
238	card->num_dapm_routes = ARRAY_SIZE(card_routes);
239	card->fully_routed = true;
240	snd_soc_card_set_drvdata(card, priv);
241
242	ret = snd_soc_fixup_dai_links_platform_name(card, pname);
243	if (ret)
244		return ret;
245
246	return devm_snd_soc_register_card(dev, card);
247}
248
249static const struct platform_device_id avs_rt5663_driver_ids[] = {
250	{
251		.name = "avs_rt5663",
252	},
253	{},
254};
255MODULE_DEVICE_TABLE(platform, avs_rt5663_driver_ids);
256
257static struct platform_driver avs_rt5663_driver = {
258	.probe = avs_rt5663_probe,
259	.driver = {
260		.name = "avs_rt5663",
261		.pm = &snd_soc_pm_ops,
262	},
263	.id_table = avs_rt5663_driver_ids,
264};
265
266module_platform_driver(avs_rt5663_driver);
267
268MODULE_DESCRIPTION("Intel rt5663 machine driver");
269MODULE_LICENSE("GPL");
270