rt286.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/module.h>
 10#include <sound/jack.h>
 11#include <sound/pcm.h>
 12#include <sound/pcm_params.h>
 13#include <sound/soc.h>
 14#include <sound/soc-acpi.h>
 15#include "../../../codecs/rt286.h"
 16#include "../utils.h"
 17
 18#define RT286_CODEC_DAI		"rt286-aif1"
 19
 20static const struct snd_kcontrol_new card_controls[] = {
 21	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 22	SOC_DAPM_PIN_SWITCH("Mic Jack"),
 23	SOC_DAPM_PIN_SWITCH("Speaker"),
 24};
 25
 26static const struct snd_soc_dapm_widget card_widgets[] = {
 27	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 28	SND_SOC_DAPM_MIC("Mic Jack", NULL),
 29	SND_SOC_DAPM_SPK("Speaker", NULL),
 30};
 31
 32static const struct snd_soc_dapm_route card_base_routes[] = {
 33	/* HP jack connectors - unknown if we have jack detect */
 34	{"Headphone Jack", NULL, "HPO Pin"},
 35	{"MIC1", NULL, "Mic Jack"},
 36
 37	{"Speaker", NULL, "SPOR"},
 38	{"Speaker", NULL, "SPOL"},
 39};
 40
 41static const struct snd_soc_jack_pin card_headset_pins[] = {
 42	{
 43		.pin = "Headphone Jack",
 44		.mask = SND_JACK_HEADPHONE,
 45	},
 46	{
 47		.pin = "Mic Jack",
 48		.mask = SND_JACK_MICROPHONE,
 49	},
 50};
 51
 52static int avs_rt286_codec_init(struct snd_soc_pcm_runtime *runtime)
 53{
 54	struct snd_soc_card *card = runtime->card;
 55	struct snd_soc_jack_pin *pins;
 56	struct snd_soc_jack *jack;
 57	int num_pins, ret;
 58
 59	jack = snd_soc_card_get_drvdata(card);
 60	num_pins = ARRAY_SIZE(card_headset_pins);
 61
 62	pins = devm_kmemdup_array(card->dev, card_headset_pins, num_pins,
 63				  sizeof(card_headset_pins[0]), GFP_KERNEL);
 64	if (!pins)
 65		return -ENOMEM;
 66
 67	ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0,
 68					 jack, pins, num_pins);
 69	if (ret)
 70		return ret;
 71
 72	return snd_soc_component_set_jack(snd_soc_rtd_to_codec(runtime, 0)->component, jack, NULL);
 73}
 74
 75static void avs_rt286_codec_exit(struct snd_soc_pcm_runtime *rtd)
 76{
 77	snd_soc_component_set_jack(snd_soc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
 78}
 79
 80static int avs_rt286_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
 81{
 82	struct snd_interval *rate, *channels;
 83	struct snd_mask *fmt;
 84
 85	rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
 86	channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
 87	fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 88
 89	/* The ADSP will convert the FE rate to 48k, stereo */
 90	rate->min = rate->max = 48000;
 91	channels->min = channels->max = 2;
 92
 93	/* set SSP0 to 24 bit */
 94	snd_mask_none(fmt);
 95	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
 96
 97	return 0;
 98}
 99
100static int
101avs_rt286_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
102{
103	struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
104	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
105	int ret;
106
107	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
108	if (ret < 0)
109		dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret);
110
111	return ret;
112}
113
114static const struct snd_soc_ops avs_rt286_ops = {
115	.hw_params = avs_rt286_hw_params,
116};
117
118static int avs_create_dai_link(struct device *dev, int ssp_port, int tdm_slot,
119			       struct snd_soc_dai_link **dai_link)
120{
121	struct snd_soc_dai_link_component *platform;
122	struct snd_soc_dai_link *dl;
123
124	dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
125	platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
126	if (!dl || !platform)
127		return -ENOMEM;
128
129	dl->name = devm_kasprintf(dev, GFP_KERNEL,
130				  AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
131	dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
132	dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
133	if (!dl->name || !dl->cpus || !dl->codecs)
134		return -ENOMEM;
135
136	dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
137					    AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
138	dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-INT343A:00");
139	dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, RT286_CODEC_DAI);
140	if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
141		return -ENOMEM;
142
143	platform->name = dev_name(dev);
144	dl->num_cpus = 1;
145	dl->num_codecs = 1;
146	dl->platforms = platform;
147	dl->num_platforms = 1;
148	dl->id = 0;
149	dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
150	dl->init = avs_rt286_codec_init;
151	dl->exit = avs_rt286_codec_exit;
152	dl->be_hw_params_fixup = avs_rt286_be_fixup;
153	dl->ops = &avs_rt286_ops;
154	dl->nonatomic = 1;
155	dl->no_pcm = 1;
156
157	*dai_link = dl;
158
159	return 0;
160}
161
162static int avs_card_suspend_pre(struct snd_soc_card *card)
163{
164	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI);
165
166	return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
167}
168
169static int avs_card_resume_post(struct snd_soc_card *card)
170{
171	struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, RT286_CODEC_DAI);
172	struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
173
174	return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
175}
176
177static int avs_rt286_probe(struct platform_device *pdev)
178{
179	struct snd_soc_dai_link *dai_link;
180	struct snd_soc_acpi_mach *mach;
181	struct avs_mach_pdata *pdata;
182	struct snd_soc_card *card;
183	struct snd_soc_jack *jack;
184	struct device *dev = &pdev->dev;
185	int ssp_port, tdm_slot, ret;
186
187	mach = dev_get_platdata(dev);
188	pdata = mach->pdata;
189
190	ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
191	if (ret)
192		return ret;
193
194	ret = avs_create_dai_link(dev, ssp_port, tdm_slot, &dai_link);
195
196	if (ret) {
197		dev_err(dev, "Failed to create dai link: %d", ret);
198		return ret;
199	}
200
201	jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
202	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
203	if (!jack || !card)
204		return -ENOMEM;
205
206	if (pdata->obsolete_card_names) {
207		card->name = "avs_rt286";
208	} else {
209		card->driver_name = "avs_rt286";
210		card->long_name = card->name = "AVS I2S ALC286";
211	}
212	card->dev = dev;
213	card->owner = THIS_MODULE;
214	card->suspend_pre = avs_card_suspend_pre;
215	card->resume_post = avs_card_resume_post;
216	card->dai_link = dai_link;
217	card->num_links = 1;
218	card->controls = card_controls;
219	card->num_controls = ARRAY_SIZE(card_controls);
220	card->dapm_widgets = card_widgets;
221	card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
222	card->dapm_routes = card_base_routes;
223	card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
224	card->fully_routed = true;
225	snd_soc_card_set_drvdata(card, jack);
226
227	return devm_snd_soc_register_deferrable_card(dev, card);
228}
229
230static const struct platform_device_id avs_rt286_driver_ids[] = {
231	{
232		.name = "avs_rt286",
233	},
234	{},
235};
236MODULE_DEVICE_TABLE(platform, avs_rt286_driver_ids);
237
238static struct platform_driver avs_rt286_driver = {
239	.probe = avs_rt286_probe,
240	.driver = {
241		.name = "avs_rt286",
242		.pm = &snd_soc_pm_ops,
243	},
244	.id_table = avs_rt286_driver_ids,
245};
246
247module_platform_driver(avs_rt286_driver);
248
249MODULE_DESCRIPTION("Intel rt286 machine driver");
250MODULE_LICENSE("GPL");