1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright(c) 2021-2022 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/dmi.h>
11#include <linux/i2c.h>
12#include <linux/input.h>
13#include <linux/module.h>
14#include <linux/platform_device.h>
15#include <sound/core.h>
16#include <sound/jack.h>
17#include <sound/pcm.h>
18#include <sound/pcm_params.h>
19#include <sound/rt5682.h>
20#include <sound/soc.h>
21#include <sound/soc-acpi.h>
22#include "../../common/soc-intel-quirks.h"
23#include "../../../codecs/rt5682.h"
24#include "../utils.h"
25
26#define AVS_RT5682_SSP_CODEC(quirk)	((quirk) & GENMASK(2, 0))
27#define AVS_RT5682_SSP_CODEC_MASK	(GENMASK(2, 0))
28#define AVS_RT5682_MCLK_EN		BIT(3)
29#define AVS_RT5682_MCLK_24MHZ		BIT(4)
30#define AVS_RT5682_CODEC_DAI_NAME	"rt5682-aif1"
31
32/* Default: MCLK on, MCLK 19.2M, SSP0 */
33static unsigned long avs_rt5682_quirk = AVS_RT5682_MCLK_EN | AVS_RT5682_SSP_CODEC(0);
34
35static int avs_rt5682_quirk_cb(const struct dmi_system_id *id)
36{
37	avs_rt5682_quirk = (unsigned long)id->driver_data;
38	return 1;
39}
40
41static const struct dmi_system_id avs_rt5682_quirk_table[] = {
42	{
43		.callback = avs_rt5682_quirk_cb,
44		.matches = {
45			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
46			DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"),
47		},
48		.driver_data = (void *)(AVS_RT5682_MCLK_EN |
49					AVS_RT5682_MCLK_24MHZ |
50					AVS_RT5682_SSP_CODEC(1)),
51	},
52	{
53		.callback = avs_rt5682_quirk_cb,
54		.matches = {
55			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
56			DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
57		},
58		.driver_data = (void *)(AVS_RT5682_MCLK_EN |
59					AVS_RT5682_SSP_CODEC(0)),
60	},
61	{}
62};
63
64static const struct snd_kcontrol_new card_controls[] = {
65	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
66	SOC_DAPM_PIN_SWITCH("Headset Mic"),
67};
68
69static const struct snd_soc_dapm_widget card_widgets[] = {
70	SND_SOC_DAPM_HP("Headphone Jack", NULL),
71	SND_SOC_DAPM_MIC("Headset Mic", NULL),
72};
73
74static const struct snd_soc_dapm_route card_base_routes[] = {
75	/* HP jack connectors - unknown if we have jack detect */
76	{ "Headphone Jack", NULL, "HPOL" },
77	{ "Headphone Jack", NULL, "HPOR" },
78
79	/* other jacks */
80	{ "IN1P", NULL, "Headset Mic" },
81};
82
83static struct snd_soc_jack_pin card_jack_pins[] = {
84	{
85		.pin = "Headphone Jack",
86		.mask = SND_JACK_HEADPHONE,
87	},
88	{
89		.pin = "Headset Mic",
90		.mask = SND_JACK_MICROPHONE,
91	},
92};
93
94static int avs_rt5682_codec_init(struct snd_soc_pcm_runtime *runtime)
95{
96	struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
97	struct snd_soc_card *card = runtime->card;
98	struct snd_soc_jack_pin *pins;
99	struct snd_soc_jack *jack;
100	int num_pins, ret;
101
102	jack = snd_soc_card_get_drvdata(card);
103	num_pins = ARRAY_SIZE(card_jack_pins);
104
105	pins = devm_kmemdup(card->dev, card_jack_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
106	if (!pins)
107		return -ENOMEM;
108
109	/* Need to enable ASRC function for 24MHz mclk rate */
110	if ((avs_rt5682_quirk & AVS_RT5682_MCLK_EN) &&
111	    (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)) {
112		rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
113					RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC);
114	}
115
116
117	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
118					 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
119					 pins, num_pins);
120	if (ret) {
121		dev_err(card->dev, "Headset Jack creation failed: %d\n", ret);
122		return ret;
123	}
124
125	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
126	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
127	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
128	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
129
130	ret = snd_soc_component_set_jack(component, jack, NULL);
131	if (ret) {
132		dev_err(card->dev, "Headset Jack call-back failed: %d\n", ret);
133		return ret;
134	}
135
136	return 0;
137};
138
139static void avs_rt5682_codec_exit(struct snd_soc_pcm_runtime *rtd)
140{
141	snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
142}
143
144static int
145avs_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
146{
147	struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
148	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
149	int pll_source, freq_in, freq_out;
150	int ret;
151
152	if (avs_rt5682_quirk & AVS_RT5682_MCLK_EN) {
153		pll_source = RT5682_PLL1_S_MCLK;
154		if (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)
155			freq_in = 24000000;
156		else
157			freq_in = 19200000;
158	} else {
159		pll_source = RT5682_PLL1_S_BCLK1;
160		freq_in = params_rate(params) * 50;
161	}
162
163	freq_out = params_rate(params) * 512;
164
165	ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL1, pll_source, freq_in, freq_out);
166	if (ret < 0)
167		dev_err(runtime->dev, "Set PLL failed: %d\n", ret);
168
169	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, freq_out, SND_SOC_CLOCK_IN);
170	if (ret < 0)
171		dev_err(runtime->dev, "Set sysclk failed: %d\n", ret);
172
173	/* slot_width should be equal or larger than data length. */
174	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, params_width(params));
175	if (ret < 0)
176		dev_err(runtime->dev, "Set TDM slot failed: %d\n", ret);
177
178	return ret;
179}
180
181static const struct snd_soc_ops avs_rt5682_ops = {
182	.hw_params = avs_rt5682_hw_params,
183};
184
185static int
186avs_rt5682_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
187{
188	struct snd_interval *rate, *channels;
189	struct snd_mask *fmt;
190
191	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
192	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
193	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
194
195	/* The ADSP will convert the FE rate to 48k, stereo */
196	rate->min = rate->max = 48000;
197	channels->min = channels->max = 2;
198
199	/* set SSPN to 24 bit */
200	snd_mask_none(fmt);
201	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
202
203	return 0;
204}
205
206static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
207			       int tdm_slot, struct snd_soc_dai_link **dai_link)
208{
209	struct snd_soc_dai_link_component *platform;
210	struct snd_soc_dai_link *dl;
211
212	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
213	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
214	if (!dl || !platform)
215		return -ENOMEM;
216
217	platform->name = platform_name;
218
219	dl->name = devm_kasprintf(dev, GFP_KERNEL,
220				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
221	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
222	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
223	if (!dl->name || !dl->cpus || !dl->codecs)
224		return -ENOMEM;
225
226	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
227					    AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
228	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5682:00");
229	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, AVS_RT5682_CODEC_DAI_NAME);
230	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
231		return -ENOMEM;
232
233	dl->num_cpus = 1;
234	dl->num_codecs = 1;
235	dl->platforms = platform;
236	dl->num_platforms = 1;
237	dl->id = 0;
238	dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
239	dl->init = avs_rt5682_codec_init;
240	dl->exit = avs_rt5682_codec_exit;
241	dl->be_hw_params_fixup = avs_rt5682_be_fixup;
242	dl->ops = &avs_rt5682_ops;
243	dl->nonatomic = 1;
244	dl->no_pcm = 1;
245	dl->dpcm_capture = 1;
246	dl->dpcm_playback = 1;
247
248	*dai_link = dl;
249
250	return 0;
251}
252
253static int avs_card_suspend_pre(struct snd_soc_card *card)
254{
255	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
256
257	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
258}
259
260static int avs_card_resume_post(struct snd_soc_card *card)
261{
262	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
263	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
264
265	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
266}
267
268static int avs_rt5682_probe(struct platform_device *pdev)
269{
270	struct snd_soc_dai_link *dai_link;
271	struct snd_soc_acpi_mach *mach;
272	struct snd_soc_card *card;
273	struct snd_soc_jack *jack;
274	struct device *dev = &pdev->dev;
275	const char *pname;
276	int ssp_port, tdm_slot, ret;
277
278	if (pdev->id_entry && pdev->id_entry->driver_data)
279		avs_rt5682_quirk = (unsigned long)pdev->id_entry->driver_data;
280
281	dmi_check_system(avs_rt5682_quirk_table);
282	dev_dbg(dev, "avs_rt5682_quirk = %lx\n", avs_rt5682_quirk);
283
284	mach = dev_get_platdata(dev);
285	pname = mach->mach_params.platform;
286
287	ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
288	if (ret)
289		return ret;
290
291	ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
292	if (ret) {
293		dev_err(dev, "Failed to create dai link: %d", ret);
294		return ret;
295	}
296
297	jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
298	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
299	if (!jack || !card)
300		return -ENOMEM;
301
302	card->name = "avs_rt5682";
303	card->dev = dev;
304	card->owner = THIS_MODULE;
305	card->suspend_pre = avs_card_suspend_pre;
306	card->resume_post = avs_card_resume_post;
307	card->dai_link = dai_link;
308	card->num_links = 1;
309	card->controls = card_controls;
310	card->num_controls = ARRAY_SIZE(card_controls);
311	card->dapm_widgets = card_widgets;
312	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
313	card->dapm_routes = card_base_routes;
314	card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
315	card->fully_routed = true;
316	snd_soc_card_set_drvdata(card, jack);
317
318	ret = snd_soc_fixup_dai_links_platform_name(card, pname);
319	if (ret)
320		return ret;
321
322	return devm_snd_soc_register_card(dev, card);
323}
324
325static const struct platform_device_id avs_rt5682_driver_ids[] = {
326	{
327		.name = "avs_rt5682",
328	},
329	{},
330};
331MODULE_DEVICE_TABLE(platform, avs_rt5682_driver_ids);
332
333static struct platform_driver avs_rt5682_driver = {
334	.probe = avs_rt5682_probe,
335	.driver = {
336		.name = "avs_rt5682",
337		.pm = &snd_soc_pm_ops,
338	},
339	.id_table = avs_rt5682_driver_ids,
340};
341
342module_platform_driver(avs_rt5682_driver)
343
344MODULE_DESCRIPTION("Intel rt5682 machine driver");
345MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
346MODULE_LICENSE("GPL");
347