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 */
33 static unsigned long avs_rt5682_quirk = AVS_RT5682_MCLK_EN | AVS_RT5682_SSP_CODEC(0);
34
avs_rt5682_quirk_cb(const struct dmi_system_id * id)35 static 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
41 static 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
64 static const struct snd_kcontrol_new card_controls[] = {
65 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
66 SOC_DAPM_PIN_SWITCH("Headset Mic"),
67 };
68
69 static 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
74 static 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
83 static 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
avs_rt5682_codec_init(struct snd_soc_pcm_runtime * runtime)94 static 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
avs_rt5682_codec_exit(struct snd_soc_pcm_runtime * rtd)140 static 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
145 static int
avs_rt5682_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)146 avs_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
182 static const struct snd_soc_ops avs_rt5682_ops = {
183 .hw_params = avs_rt5682_hw_params,
184 };
185
186 static int
avs_rt5682_be_fixup(struct snd_soc_pcm_runtime * runtime,struct snd_pcm_hw_params * params)187 avs_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
avs_create_dai_link(struct device * dev,const char * platform_name,int ssp_port,int tdm_slot,struct snd_soc_dai_link ** dai_link)207 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
208 int tdm_slot, 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 platform->name = platform_name;
219
220 dl->name = devm_kasprintf(dev, GFP_KERNEL,
221 AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
222 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
223 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
224 if (!dl->name || !dl->cpus || !dl->codecs)
225 return -ENOMEM;
226
227 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
228 AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
229 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5682:00");
230 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, AVS_RT5682_CODEC_DAI_NAME);
231 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
232 return -ENOMEM;
233
234 dl->num_cpus = 1;
235 dl->num_codecs = 1;
236 dl->platforms = platform;
237 dl->num_platforms = 1;
238 dl->id = 0;
239 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
240 dl->init = avs_rt5682_codec_init;
241 dl->exit = avs_rt5682_codec_exit;
242 dl->be_hw_params_fixup = avs_rt5682_be_fixup;
243 dl->ops = &avs_rt5682_ops;
244 dl->nonatomic = 1;
245 dl->no_pcm = 1;
246
247 *dai_link = dl;
248
249 return 0;
250 }
251
avs_card_suspend_pre(struct snd_soc_card * card)252 static int avs_card_suspend_pre(struct snd_soc_card *card)
253 {
254 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
255
256 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
257 }
258
avs_card_resume_post(struct snd_soc_card * card)259 static int avs_card_resume_post(struct snd_soc_card *card)
260 {
261 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
262 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
263
264 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
265 }
266
avs_rt5682_probe(struct platform_device * pdev)267 static int avs_rt5682_probe(struct platform_device *pdev)
268 {
269 struct snd_soc_dai_link *dai_link;
270 struct snd_soc_acpi_mach *mach;
271 struct avs_mach_pdata *pdata;
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 pdata = mach->pdata;
287
288 ret = avs_mach_get_ssp_tdm(dev, mach, &ssp_port, &tdm_slot);
289 if (ret)
290 return ret;
291
292 ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
293 if (ret) {
294 dev_err(dev, "Failed to create dai link: %d", ret);
295 return ret;
296 }
297
298 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
299 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
300 if (!jack || !card)
301 return -ENOMEM;
302
303 if (pdata->obsolete_card_names) {
304 card->name = "avs_rt5682";
305 } else {
306 card->driver_name = "avs_rt5682";
307 card->long_name = card->name = "AVS I2S ALC5682";
308 }
309 card->dev = dev;
310 card->owner = THIS_MODULE;
311 card->suspend_pre = avs_card_suspend_pre;
312 card->resume_post = avs_card_resume_post;
313 card->dai_link = dai_link;
314 card->num_links = 1;
315 card->controls = card_controls;
316 card->num_controls = ARRAY_SIZE(card_controls);
317 card->dapm_widgets = card_widgets;
318 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
319 card->dapm_routes = card_base_routes;
320 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
321 card->fully_routed = true;
322 snd_soc_card_set_drvdata(card, jack);
323
324 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
325 if (ret)
326 return ret;
327
328 return devm_snd_soc_register_deferrable_card(dev, card);
329 }
330
331 static const struct platform_device_id avs_rt5682_driver_ids[] = {
332 {
333 .name = "avs_rt5682",
334 },
335 {},
336 };
337 MODULE_DEVICE_TABLE(platform, avs_rt5682_driver_ids);
338
339 static struct platform_driver avs_rt5682_driver = {
340 .probe = avs_rt5682_probe,
341 .driver = {
342 .name = "avs_rt5682",
343 .pm = &snd_soc_pm_ops,
344 },
345 .id_table = avs_rt5682_driver_ids,
346 };
347
348 module_platform_driver(avs_rt5682_driver)
349
350 MODULE_DESCRIPTION("Intel rt5682 machine driver");
351 MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
352 MODULE_LICENSE("GPL");
353