1 // SPDX-License-Identifier: GPL-2.0-only
3 // Copyright(c) 2023 Intel Corporation. All rights reserved.
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
9 #include <linux/device.h>
10 #include <linux/gpio/consumer.h>
11 #include <linux/input.h>
12 #include <linux/module.h>
13 #include <linux/platform_device.h>
14 #include <linux/processor.h>
15 #include <linux/slab.h>
16 #include <sound/jack.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/soc.h>
20 #include <sound/soc-acpi.h>
21 #include <asm/intel-family.h>
24 #define ES8336_CODEC_DAI "ES8316 HiFi"
26 struct avs_card_drvdata {
27 struct snd_soc_jack jack;
28 struct gpio_desc *gpiod;
31 static const struct acpi_gpio_params enable_gpio = { 0, 0, true };
33 static const struct acpi_gpio_mapping speaker_gpios[] = {
34 { "speaker-enable-gpios", &enable_gpio, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
38 static int avs_es8336_speaker_power_event(struct snd_soc_dapm_widget *w,
39 struct snd_kcontrol *kcontrol, int event)
41 struct snd_soc_card *card = w->dapm->card;
42 struct avs_card_drvdata *data;
45 data = snd_soc_card_get_drvdata(card);
46 /* As enable_gpio has active_low=true, logic is inverted. */
47 speaker_en = !SND_SOC_DAPM_EVENT_ON(event);
49 gpiod_set_value_cansleep(data->gpiod, speaker_en);
53 static const struct snd_soc_dapm_widget card_widgets[] = {
54 SND_SOC_DAPM_SPK("Speaker", NULL),
55 SND_SOC_DAPM_HP("Headphone", NULL),
56 SND_SOC_DAPM_MIC("Headset Mic", NULL),
57 SND_SOC_DAPM_MIC("Internal Mic", NULL),
59 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
60 avs_es8336_speaker_power_event,
61 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
64 static const struct snd_soc_dapm_route card_routes[] = {
65 {"Headphone", NULL, "HPOL"},
66 {"Headphone", NULL, "HPOR"},
69 * There is no separate speaker output instead the speakers are muxed to
70 * the HP outputs. The mux is controlled by the "Speaker Power" widget.
72 {"Speaker", NULL, "HPOL"},
73 {"Speaker", NULL, "HPOR"},
74 {"Speaker", NULL, "Speaker Power"},
77 {"MIC1", NULL, "Internal Mic"},
78 {"MIC2", NULL, "Headset Mic"},
81 static const struct snd_kcontrol_new card_controls[] = {
82 SOC_DAPM_PIN_SWITCH("Speaker"),
83 SOC_DAPM_PIN_SWITCH("Headphone"),
84 SOC_DAPM_PIN_SWITCH("Headset Mic"),
85 SOC_DAPM_PIN_SWITCH("Internal Mic"),
88 static struct snd_soc_jack_pin card_headset_pins[] = {
91 .mask = SND_JACK_HEADPHONE,
95 .mask = SND_JACK_MICROPHONE,
99 static int avs_es8336_codec_init(struct snd_soc_pcm_runtime *runtime)
101 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
102 struct snd_soc_component *component = codec_dai->component;
103 struct snd_soc_card *card = runtime->card;
104 struct snd_soc_jack_pin *pins;
105 struct avs_card_drvdata *data;
106 struct gpio_desc *gpiod;
109 data = snd_soc_card_get_drvdata(card);
110 num_pins = ARRAY_SIZE(card_headset_pins);
112 pins = devm_kmemdup(card->dev, card_headset_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
116 ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,
117 &data->jack, pins, num_pins);
121 ret = devm_acpi_dev_add_driver_gpios(codec_dai->dev, speaker_gpios);
123 dev_warn(codec_dai->dev, "Unable to add GPIO mapping table\n");
125 gpiod = gpiod_get_optional(codec_dai->dev, "speaker-enable", GPIOD_OUT_LOW);
127 return dev_err_probe(codec_dai->dev, PTR_ERR(gpiod), "Get gpiod failed: %ld\n",
131 snd_jack_set_key(data->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
132 snd_soc_component_set_jack(component, &data->jack, NULL);
134 card->dapm.idle_bias_off = true;
139 static void avs_es8336_codec_exit(struct snd_soc_pcm_runtime *runtime)
141 struct avs_card_drvdata *data = snd_soc_card_get_drvdata(runtime->card);
142 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
144 snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
145 gpiod_put(data->gpiod);
148 static int avs_es8336_hw_params(struct snd_pcm_substream *substream,
149 struct snd_pcm_hw_params *params)
151 struct snd_soc_pcm_runtime *runtime = snd_soc_substream_to_rtd(substream);
152 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(runtime, 0);
156 switch (boot_cpu_data.x86_model) {
157 case INTEL_FAM6_KABYLAKE_L:
158 case INTEL_FAM6_KABYLAKE:
166 ret = snd_soc_dai_set_sysclk(codec_dai, 1, clk_freq, SND_SOC_CLOCK_OUT);
168 dev_err(runtime->dev, "Set codec sysclk failed: %d\n", ret);
173 static const struct snd_soc_ops avs_es8336_ops = {
174 .hw_params = avs_es8336_hw_params,
177 static int avs_es8336_be_fixup(struct snd_soc_pcm_runtime *runtime,
178 struct snd_pcm_hw_params *params)
180 struct snd_interval *rate, *channels;
181 struct snd_mask *fmt;
183 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
184 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
185 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
187 /* The ADSP will convert the FE rate to 48k, stereo */
188 rate->min = rate->max = 48000;
189 channels->min = channels->max = 2;
191 /* set SSPN to 24 bit */
193 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_3LE);
197 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
198 int tdm_slot, struct snd_soc_dai_link **dai_link)
200 struct snd_soc_dai_link_component *platform;
201 struct snd_soc_dai_link *dl;
203 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
204 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
205 if (!dl || !platform)
208 platform->name = platform_name;
210 dl->name = devm_kasprintf(dev, GFP_KERNEL,
211 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
212 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
213 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
214 if (!dl->name || !dl->cpus || !dl->codecs)
217 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
218 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
219 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-ESSX8336:00");
220 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, ES8336_CODEC_DAI);
221 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
226 dl->platforms = platform;
227 dl->num_platforms = 1;
229 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
230 dl->init = avs_es8336_codec_init;
231 dl->exit = avs_es8336_codec_exit;
232 dl->be_hw_params_fixup = avs_es8336_be_fixup;
233 dl->ops = &avs_es8336_ops;
236 dl->dpcm_capture = 1;
237 dl->dpcm_playback = 1;
244 static int avs_card_suspend_pre(struct snd_soc_card *card)
246 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, ES8336_CODEC_DAI);
248 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
251 static int avs_card_resume_post(struct snd_soc_card *card)
253 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, ES8336_CODEC_DAI);
254 struct avs_card_drvdata *data = snd_soc_card_get_drvdata(card);
256 return snd_soc_component_set_jack(codec_dai->component, &data->jack, NULL);
259 static int avs_es8336_probe(struct platform_device *pdev)
261 struct snd_soc_dai_link *dai_link;
262 struct snd_soc_acpi_mach *mach;
263 struct avs_card_drvdata *data;
264 struct snd_soc_card *card;
265 struct device *dev = &pdev->dev;
267 int ssp_port, tdm_slot, ret;
269 mach = dev_get_platdata(dev);
270 pname = mach->mach_params.platform;
272 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
276 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
278 dev_err(dev, "Failed to create dai link: %d", ret);
282 data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
283 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
287 card->name = "avs_es8336";
289 card->owner = THIS_MODULE;
290 card->suspend_pre = avs_card_suspend_pre;
291 card->resume_post = avs_card_resume_post;
292 card->dai_link = dai_link;
294 card->controls = card_controls;
295 card->num_controls = ARRAY_SIZE(card_controls);
296 card->dapm_widgets = card_widgets;
297 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
298 card->dapm_routes = card_routes;
299 card->num_dapm_routes = ARRAY_SIZE(card_routes);
300 card->fully_routed = true;
301 snd_soc_card_set_drvdata(card, data);
303 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
307 return devm_snd_soc_register_card(dev, card);
310 static const struct platform_device_id avs_es8336_driver_ids[] = {
312 .name = "avs_es8336",
316 MODULE_DEVICE_TABLE(platform, avs_es8336_driver_ids);
318 static struct platform_driver avs_es8336_driver = {
319 .probe = avs_es8336_probe,
321 .name = "avs_es8336",
322 .pm = &snd_soc_pm_ops,
324 .id_table = avs_es8336_driver_ids,
327 module_platform_driver(avs_es8336_driver);
329 MODULE_DESCRIPTION("Intel es8336 machine driver");
330 MODULE_LICENSE("GPL");