rt5682.c

  1// SPDX-License-Identifier: GPL-2.0-only
  2//
  3// Copyright(c) 2021-2022 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/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 const 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_array(card->dev, card_jack_pins, num_pins,
106				  sizeof(card_jack_pins[0]), GFP_KERNEL);
107	if (!pins)
108		return -ENOMEM;
109
110	/* Need to enable ASRC function for 24MHz mclk rate */
111	if ((avs_rt5682_quirk & AVS_RT5682_MCLK_EN) &&
112	    (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)) {
113		rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
114					RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC);
115	}
116
117
118	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
119					 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
120					 pins, num_pins);
121	if (ret) {
122		dev_err(card->dev, "Headset Jack creation failed: %d\n", ret);
123		return ret;
124	}
125
126	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
127	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
128	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
129	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
130
131	ret = snd_soc_component_set_jack(component, jack, NULL);
132	if (ret) {
133		dev_err(card->dev, "Headset Jack call-back failed: %d\n", ret);
134		return ret;
135	}
136
137	return 0;
138};
139
140static void avs_rt5682_codec_exit(struct snd_soc_pcm_runtime *rtd)
141{
142	snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
143}
144
145static int
146avs_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
147{
148	struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
149	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
150	int pll_source, freq_in, freq_out;
151	int ret;
152
153	if (avs_rt5682_quirk & AVS_RT5682_MCLK_EN) {
154		pll_source = RT5682_PLL1_S_MCLK;
155		if (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)
156			freq_in = 24000000;
157		else
158			freq_in = 19200000;
159	} else {
160		pll_source = RT5682_PLL1_S_BCLK1;
161		freq_in = params_rate(params) * 50;
162	}
163
164	freq_out = params_rate(params) * 512;
165
166	ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL1, pll_source, freq_in, freq_out);
167	if (ret < 0)
168		dev_err(runtime->dev, "Set PLL failed: %d\n", ret);
169
170	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, freq_out, SND_SOC_CLOCK_IN);
171	if (ret < 0)
172		dev_err(runtime->dev, "Set sysclk failed: %d\n", ret);
173
174	/* slot_width should be equal or larger than data length. */
175	ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, params_width(params));
176	if (ret < 0)
177		dev_err(runtime->dev, "Set TDM slot failed: %d\n", ret);
178
179	return ret;
180}
181
182static const struct snd_soc_ops avs_rt5682_ops = {
183	.hw_params = avs_rt5682_hw_params,
184};
185
186static int
187avs_rt5682_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
188{
189	struct snd_interval *rate, *channels;
190	struct snd_mask *fmt;
191
192	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
193	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
194	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
195
196	/* The ADSP will convert the FE rate to 48k, stereo */
197	rate->min = rate->max = 48000;
198	channels->min = channels->max = 2;
199
200	/* set SSPN to 24 bit */
201	snd_mask_none(fmt);
202	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
203
204	return 0;
205}
206
207static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot,
208			       struct snd_soc_dai_link **dai_link)
209{
210	struct snd_soc_dai_link_component *platform;
211	struct snd_soc_dai_link *dl;
212
213	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
214	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
215	if (!dl || !platform)
216		return -ENOMEM;
217
218	dl->name = devm_kasprintf(dev, GFP_KERNEL,
219				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
220	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
221	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
222	if (!dl->name || !dl->cpus || !dl->codecs)
223		return -ENOMEM;
224
225	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
226					    AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
227	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5682:00");
228	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, AVS_RT5682_CODEC_DAI_NAME);
229	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
230		return -ENOMEM;
231
232	platform->name = dev_name(dev);
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
246	*dai_link = dl;
247
248	return 0;
249}
250
251static int avs_card_suspend_pre(struct snd_soc_card *card)
252{
253	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
254
255	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
256}
257
258static int avs_card_resume_post(struct snd_soc_card *card)
259{
260	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
261	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
262
263	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
264}
265
266static int avs_rt5682_probe(struct platform_device *pdev)
267{
268	struct snd_soc_dai_link *dai_link;
269	struct snd_soc_acpi_mach *mach;
270	struct avs_mach_pdata *pdata;
271	struct snd_soc_card *card;
272	struct snd_soc_jack *jack;
273	struct device *dev = &pdev->dev;
274	int ssp_port, tdm_slot, ret;
275
276	if (pdev->id_entry && pdev->id_entry->driver_data)
277		avs_rt5682_quirk = (unsigned long)pdev->id_entry->driver_data;
278
279	dmi_check_system(avs_rt5682_quirk_table);
280	dev_dbg(dev, "avs_rt5682_quirk = %lx\n", avs_rt5682_quirk);
281
282	mach = dev_get_platdata(dev);
283	pdata = mach->pdata;
284
285	ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
286	if (ret)
287		return ret;
288
289	ret = avs_create_dai_link(dev, ssp_port, tdm_slot, &dai_link);
290	if (ret) {
291		dev_err(dev, "Failed to create dai link: %d", ret);
292		return ret;
293	}
294
295	jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
296	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
297	if (!jack || !card)
298		return -ENOMEM;
299
300	if (pdata->obsolete_card_names) {
301		card->name = "avs_rt5682";
302	} else {
303		card->driver_name = "avs_rt5682";
304		card->long_name = card->name = "AVS I2S ALC5682";
305	}
306	card->dev = dev;
307	card->owner = THIS_MODULE;
308	card->suspend_pre = avs_card_suspend_pre;
309	card->resume_post = avs_card_resume_post;
310	card->dai_link = dai_link;
311	card->num_links = 1;
312	card->controls = card_controls;
313	card->num_controls = ARRAY_SIZE(card_controls);
314	card->dapm_widgets = card_widgets;
315	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
316	card->dapm_routes = card_base_routes;
317	card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
318	card->fully_routed = true;
319	snd_soc_card_set_drvdata(card, jack);
320
321	return devm_snd_soc_register_deferrable_card(dev, card);
322}
323
324static const struct platform_device_id avs_rt5682_driver_ids[] = {
325	{
326		.name = "avs_rt5682",
327	},
328	{},
329};
330MODULE_DEVICE_TABLE(platform, avs_rt5682_driver_ids);
331
332static struct platform_driver avs_rt5682_driver = {
333	.probe = avs_rt5682_probe,
334	.driver = {
335		.name = "avs_rt5682",
336		.pm = &snd_soc_pm_ops,
337	},
338	.id_table = avs_rt5682_driver_ids,
339};
340
341module_platform_driver(avs_rt5682_driver)
342
343MODULE_DESCRIPTION("Intel rt5682 machine driver");
344MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
345MODULE_LICENSE("GPL");