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
25 #define AVS_RT5682_SSP_CODEC(quirk) ((quirk) & GENMASK(2, 0))
26 #define AVS_RT5682_SSP_CODEC_MASK (GENMASK(2, 0))
27 #define AVS_RT5682_MCLK_EN BIT(3)
28 #define AVS_RT5682_MCLK_24MHZ BIT(4)
29 #define AVS_RT5682_CODEC_DAI_NAME "rt5682-aif1"
30
31 /* Default: MCLK on, MCLK 19.2M, SSP0 */
32 static unsigned long avs_rt5682_quirk = AVS_RT5682_MCLK_EN | AVS_RT5682_SSP_CODEC(0);
33
avs_rt5682_quirk_cb(const struct dmi_system_id * id)34 static int avs_rt5682_quirk_cb(const struct dmi_system_id *id)
35 {
36 avs_rt5682_quirk = (unsigned long)id->driver_data;
37 return 1;
38 }
39
40 static const struct dmi_system_id avs_rt5682_quirk_table[] = {
41 {
42 .callback = avs_rt5682_quirk_cb,
43 .matches = {
44 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
45 DMI_MATCH(DMI_PRODUCT_NAME, "WhiskeyLake Client"),
46 },
47 .driver_data = (void *)(AVS_RT5682_MCLK_EN |
48 AVS_RT5682_MCLK_24MHZ |
49 AVS_RT5682_SSP_CODEC(1)),
50 },
51 {
52 .callback = avs_rt5682_quirk_cb,
53 .matches = {
54 DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
55 DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
56 },
57 .driver_data = (void *)(AVS_RT5682_MCLK_EN |
58 AVS_RT5682_SSP_CODEC(0)),
59 },
60 {}
61 };
62
63 static const struct snd_kcontrol_new card_controls[] = {
64 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
65 SOC_DAPM_PIN_SWITCH("Headset Mic"),
66 };
67
68 static const struct snd_soc_dapm_widget card_widgets[] = {
69 SND_SOC_DAPM_HP("Headphone Jack", NULL),
70 SND_SOC_DAPM_MIC("Headset Mic", NULL),
71 };
72
73 static const struct snd_soc_dapm_route card_base_routes[] = {
74 /* HP jack connectors - unknown if we have jack detect */
75 { "Headphone Jack", NULL, "HPOL" },
76 { "Headphone Jack", NULL, "HPOR" },
77
78 /* other jacks */
79 { "IN1P", NULL, "Headset Mic" },
80 };
81
82 static struct snd_soc_jack_pin card_jack_pins[] = {
83 {
84 .pin = "Headphone Jack",
85 .mask = SND_JACK_HEADPHONE,
86 },
87 {
88 .pin = "Headset Mic",
89 .mask = SND_JACK_MICROPHONE,
90 },
91 };
92
avs_rt5682_codec_init(struct snd_soc_pcm_runtime * runtime)93 static int avs_rt5682_codec_init(struct snd_soc_pcm_runtime *runtime)
94 {
95 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
96 struct snd_soc_card *card = runtime->card;
97 struct snd_soc_jack_pin *pins;
98 struct snd_soc_jack *jack;
99 int num_pins, ret;
100
101 jack = snd_soc_card_get_drvdata(card);
102 num_pins = ARRAY_SIZE(card_jack_pins);
103
104 pins = devm_kmemdup(card->dev, card_jack_pins, sizeof(*pins) * num_pins, GFP_KERNEL);
105 if (!pins)
106 return -ENOMEM;
107
108 /* Need to enable ASRC function for 24MHz mclk rate */
109 if ((avs_rt5682_quirk & AVS_RT5682_MCLK_EN) &&
110 (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)) {
111 rt5682_sel_asrc_clk_src(component, RT5682_DA_STEREO1_FILTER |
112 RT5682_AD_STEREO1_FILTER, RT5682_CLK_SEL_I2S1_ASRC);
113 }
114
115
116 ret = snd_soc_card_jack_new_pins(card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 |
117 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, jack,
118 pins, num_pins);
119 if (ret) {
120 dev_err(card->dev, "Headset Jack creation failed: %d\n", ret);
121 return ret;
122 }
123
124 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
125 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
126 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
127 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
128
129 ret = snd_soc_component_set_jack(component, jack, NULL);
130 if (ret) {
131 dev_err(card->dev, "Headset Jack call-back failed: %d\n", ret);
132 return ret;
133 }
134
135 return 0;
136 };
137
avs_rt5682_codec_exit(struct snd_soc_pcm_runtime * rtd)138 static void avs_rt5682_codec_exit(struct snd_soc_pcm_runtime *rtd)
139 {
140 snd_soc_component_set_jack(asoc_rtd_to_codec(rtd, 0)->component, NULL, NULL);
141 }
142
143 static int
avs_rt5682_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)144 avs_rt5682_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params)
145 {
146 struct snd_soc_pcm_runtime *runtime = asoc_substream_to_rtd(substream);
147 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(runtime, 0);
148 int pll_source, freq_in, freq_out;
149 int ret;
150
151 if (avs_rt5682_quirk & AVS_RT5682_MCLK_EN) {
152 pll_source = RT5682_PLL1_S_MCLK;
153 if (avs_rt5682_quirk & AVS_RT5682_MCLK_24MHZ)
154 freq_in = 24000000;
155 else
156 freq_in = 19200000;
157 } else {
158 pll_source = RT5682_PLL1_S_BCLK1;
159 freq_in = params_rate(params) * 50;
160 }
161
162 freq_out = params_rate(params) * 512;
163
164 ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL1, pll_source, freq_in, freq_out);
165 if (ret < 0)
166 dev_err(runtime->dev, "Set PLL failed: %d\n", ret);
167
168 ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL1, freq_out, SND_SOC_CLOCK_IN);
169 if (ret < 0)
170 dev_err(runtime->dev, "Set sysclk failed: %d\n", ret);
171
172 /* slot_width should be equal or larger than data length. */
173 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x0, 0x0, 2, params_width(params));
174 if (ret < 0)
175 dev_err(runtime->dev, "Set TDM slot failed: %d\n", ret);
176
177 return ret;
178 }
179
180 static const struct snd_soc_ops avs_rt5682_ops = {
181 .hw_params = avs_rt5682_hw_params,
182 };
183
184 static int
avs_rt5682_be_fixup(struct snd_soc_pcm_runtime * runtime,struct snd_pcm_hw_params * params)185 avs_rt5682_be_fixup(struct snd_soc_pcm_runtime *runtime, struct snd_pcm_hw_params *params)
186 {
187 struct snd_interval *rate, *channels;
188 struct snd_mask *fmt;
189
190 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
191 channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
192 fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
193
194 /* The ADSP will convert the FE rate to 48k, stereo */
195 rate->min = rate->max = 48000;
196 channels->min = channels->max = 2;
197
198 /* set SSPN to 24 bit */
199 snd_mask_none(fmt);
200 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
201
202 return 0;
203 }
204
avs_create_dai_link(struct device * dev,const char * platform_name,int ssp_port,struct snd_soc_dai_link ** dai_link)205 static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
206 struct snd_soc_dai_link **dai_link)
207 {
208 struct snd_soc_dai_link_component *platform;
209 struct snd_soc_dai_link *dl;
210
211 dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
212 platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
213 if (!dl || !platform)
214 return -ENOMEM;
215
216 platform->name = platform_name;
217
218 dl->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_port);
219 dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
220 dl->codecs = devm_kzalloc(dev, sizeof(*dl->codecs), GFP_KERNEL);
221 if (!dl->name || !dl->cpus || !dl->codecs)
222 return -ENOMEM;
223
224 dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_port);
225 dl->codecs->name = devm_kasprintf(dev, GFP_KERNEL, "i2c-10EC5682:00");
226 dl->codecs->dai_name = devm_kasprintf(dev, GFP_KERNEL, AVS_RT5682_CODEC_DAI_NAME);
227 if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
228 return -ENOMEM;
229
230 dl->num_cpus = 1;
231 dl->num_codecs = 1;
232 dl->platforms = platform;
233 dl->num_platforms = 1;
234 dl->id = 0;
235 dl->dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
236 dl->init = avs_rt5682_codec_init;
237 dl->exit = avs_rt5682_codec_exit;
238 dl->be_hw_params_fixup = avs_rt5682_be_fixup;
239 dl->ops = &avs_rt5682_ops;
240 dl->nonatomic = 1;
241 dl->no_pcm = 1;
242 dl->dpcm_capture = 1;
243 dl->dpcm_playback = 1;
244
245 *dai_link = dl;
246
247 return 0;
248 }
249
avs_card_suspend_pre(struct snd_soc_card * card)250 static int avs_card_suspend_pre(struct snd_soc_card *card)
251 {
252 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
253
254 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
255 }
256
avs_card_resume_post(struct snd_soc_card * card)257 static int avs_card_resume_post(struct snd_soc_card *card)
258 {
259 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, AVS_RT5682_CODEC_DAI_NAME);
260 struct snd_soc_jack *jack = snd_soc_card_get_drvdata(card);
261
262 return snd_soc_component_set_jack(codec_dai->component, jack, NULL);
263 }
264
avs_rt5682_probe(struct platform_device * pdev)265 static int avs_rt5682_probe(struct platform_device *pdev)
266 {
267 struct snd_soc_dai_link *dai_link;
268 struct snd_soc_acpi_mach *mach;
269 struct snd_soc_card *card;
270 struct snd_soc_jack *jack;
271 struct device *dev = &pdev->dev;
272 const char *pname;
273 int ssp_port, ret;
274
275 if (pdev->id_entry && pdev->id_entry->driver_data)
276 avs_rt5682_quirk = (unsigned long)pdev->id_entry->driver_data;
277
278 dmi_check_system(avs_rt5682_quirk_table);
279 dev_dbg(dev, "avs_rt5682_quirk = %lx\n", avs_rt5682_quirk);
280
281 mach = dev_get_platdata(dev);
282 pname = mach->mach_params.platform;
283 ssp_port = __ffs(mach->mach_params.i2s_link_mask);
284
285 ret = avs_create_dai_link(dev, pname, ssp_port, &dai_link);
286 if (ret) {
287 dev_err(dev, "Failed to create dai link: %d", ret);
288 return ret;
289 }
290
291 jack = devm_kzalloc(dev, sizeof(*jack), GFP_KERNEL);
292 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
293 if (!jack || !card)
294 return -ENOMEM;
295
296 card->name = "avs_rt5682";
297 card->dev = dev;
298 card->owner = THIS_MODULE;
299 card->suspend_pre = avs_card_suspend_pre;
300 card->resume_post = avs_card_resume_post;
301 card->dai_link = dai_link;
302 card->num_links = 1;
303 card->controls = card_controls;
304 card->num_controls = ARRAY_SIZE(card_controls);
305 card->dapm_widgets = card_widgets;
306 card->num_dapm_widgets = ARRAY_SIZE(card_widgets);
307 card->dapm_routes = card_base_routes;
308 card->num_dapm_routes = ARRAY_SIZE(card_base_routes);
309 card->fully_routed = true;
310 snd_soc_card_set_drvdata(card, jack);
311
312 ret = snd_soc_fixup_dai_links_platform_name(card, pname);
313 if (ret)
314 return ret;
315
316 return devm_snd_soc_register_card(dev, card);
317 }
318
319 static struct platform_driver avs_rt5682_driver = {
320 .probe = avs_rt5682_probe,
321 .driver = {
322 .name = "avs_rt5682",
323 .pm = &snd_soc_pm_ops,
324 },
325 };
326
327 module_platform_driver(avs_rt5682_driver)
328
329 MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>");
330 MODULE_LICENSE("GPL");
331 MODULE_ALIAS("platform:avs_rt5682");
332