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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Intel Broadwell Wildcatpoint SST Audio
4 *
5 * Copyright (C) 2013, Intel Corporation. All rights reserved.
6 */
7
8#include <linux/module.h>
9#include <linux/platform_device.h>
10#include <sound/core.h>
11#include <sound/pcm.h>
12#include <sound/soc.h>
13#include <sound/jack.h>
14#include <sound/pcm_params.h>
15#include <sound/soc-acpi.h>
16
17#include "../../codecs/rt286.h"
18
19static struct snd_soc_jack broadwell_headset;
20/* Headset jack detection DAPM pins */
21static struct snd_soc_jack_pin broadwell_headset_pins[] = {
22 {
23 .pin = "Mic Jack",
24 .mask = SND_JACK_MICROPHONE,
25 },
26 {
27 .pin = "Headphone Jack",
28 .mask = SND_JACK_HEADPHONE,
29 },
30};
31
32static const struct snd_kcontrol_new broadwell_controls[] = {
33 SOC_DAPM_PIN_SWITCH("Speaker"),
34 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
35};
36
37static const struct snd_soc_dapm_widget broadwell_widgets[] = {
38 SND_SOC_DAPM_HP("Headphone Jack", NULL),
39 SND_SOC_DAPM_SPK("Speaker", NULL),
40 SND_SOC_DAPM_MIC("Mic Jack", NULL),
41 SND_SOC_DAPM_MIC("DMIC1", NULL),
42 SND_SOC_DAPM_MIC("DMIC2", NULL),
43 SND_SOC_DAPM_LINE("Line Jack", NULL),
44};
45
46static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
47
48 /* speaker */
49 {"Speaker", NULL, "SPOR"},
50 {"Speaker", NULL, "SPOL"},
51
52 /* HP jack connectors - unknown if we have jack deteck */
53 {"Headphone Jack", NULL, "HPO Pin"},
54
55 /* other jacks */
56 {"MIC1", NULL, "Mic Jack"},
57 {"LINE1", NULL, "Line Jack"},
58
59 /* digital mics */
60 {"DMIC1 Pin", NULL, "DMIC1"},
61 {"DMIC2 Pin", NULL, "DMIC2"},
62
63 /* CODEC BE connections */
64 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
65 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
66};
67
68static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
69{
70 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
71 int ret = 0;
72 ret = snd_soc_card_jack_new(rtd->card, "Headset",
73 SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
74 broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
75 if (ret)
76 return ret;
77
78 rt286_mic_detect(component, &broadwell_headset);
79 return 0;
80}
81
82
83static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
84 struct snd_pcm_hw_params *params)
85{
86 struct snd_interval *rate = hw_param_interval(params,
87 SNDRV_PCM_HW_PARAM_RATE);
88 struct snd_interval *chan = hw_param_interval(params,
89 SNDRV_PCM_HW_PARAM_CHANNELS);
90
91 /* The ADSP will covert the FE rate to 48k, stereo */
92 rate->min = rate->max = 48000;
93 chan->min = chan->max = 2;
94
95 /* set SSP0 to 16 bit */
96 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
97 return 0;
98}
99
100static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
101 struct snd_pcm_hw_params *params)
102{
103 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
104 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
105 int ret;
106
107 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
108 SND_SOC_CLOCK_IN);
109
110 if (ret < 0) {
111 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
112 return ret;
113 }
114
115 return ret;
116}
117
118static const struct snd_soc_ops broadwell_rt286_ops = {
119 .hw_params = broadwell_rt286_hw_params,
120};
121
122static const unsigned int channels[] = {
123 2,
124};
125
126static const struct snd_pcm_hw_constraint_list constraints_channels = {
127 .count = ARRAY_SIZE(channels),
128 .list = channels,
129 .mask = 0,
130};
131
132static int broadwell_fe_startup(struct snd_pcm_substream *substream)
133{
134 struct snd_pcm_runtime *runtime = substream->runtime;
135
136 /* Board supports stereo configuration only */
137 runtime->hw.channels_max = 2;
138 return snd_pcm_hw_constraint_list(runtime, 0,
139 SNDRV_PCM_HW_PARAM_CHANNELS,
140 &constraints_channels);
141}
142
143static const struct snd_soc_ops broadwell_fe_ops = {
144 .startup = broadwell_fe_startup,
145};
146
147SND_SOC_DAILINK_DEF(system,
148 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
149
150SND_SOC_DAILINK_DEF(offload0,
151 DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
152
153SND_SOC_DAILINK_DEF(offload1,
154 DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
155
156SND_SOC_DAILINK_DEF(loopback,
157 DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
158
159SND_SOC_DAILINK_DEF(dummy,
160 DAILINK_COMP_ARRAY(COMP_DUMMY()));
161
162SND_SOC_DAILINK_DEF(platform,
163 DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
164
165SND_SOC_DAILINK_DEF(codec,
166 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
167
168SND_SOC_DAILINK_DEF(ssp0_port,
169 DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
170
171/* broadwell digital audio interface glue - connects codec <--> CPU */
172static struct snd_soc_dai_link broadwell_rt286_dais[] = {
173 /* Front End DAI links */
174 {
175 .name = "System PCM",
176 .stream_name = "System Playback/Capture",
177 .nonatomic = 1,
178 .dynamic = 1,
179 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
180 .ops = &broadwell_fe_ops,
181 .dpcm_playback = 1,
182 .dpcm_capture = 1,
183 SND_SOC_DAILINK_REG(system, dummy, platform),
184 },
185 {
186 .name = "Offload0",
187 .stream_name = "Offload0 Playback",
188 .nonatomic = 1,
189 .dynamic = 1,
190 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
191 .dpcm_playback = 1,
192 SND_SOC_DAILINK_REG(offload0, dummy, platform),
193 },
194 {
195 .name = "Offload1",
196 .stream_name = "Offload1 Playback",
197 .nonatomic = 1,
198 .dynamic = 1,
199 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
200 .dpcm_playback = 1,
201 SND_SOC_DAILINK_REG(offload1, dummy, platform),
202 },
203 {
204 .name = "Loopback PCM",
205 .stream_name = "Loopback",
206 .nonatomic = 1,
207 .dynamic = 1,
208 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
209 .dpcm_capture = 1,
210 SND_SOC_DAILINK_REG(loopback, dummy, platform),
211 },
212 /* Back End DAI links */
213 {
214 /* SSP0 - Codec */
215 .name = "Codec",
216 .id = 0,
217 .no_pcm = 1,
218 .init = broadwell_rt286_codec_init,
219 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
220 SND_SOC_DAIFMT_CBS_CFS,
221 .ignore_pmdown_time = 1,
222 .be_hw_params_fixup = broadwell_ssp0_fixup,
223 .ops = &broadwell_rt286_ops,
224 .dpcm_playback = 1,
225 .dpcm_capture = 1,
226 SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
227 },
228};
229
230static int broadwell_disable_jack(struct snd_soc_card *card)
231{
232 struct snd_soc_component *component;
233
234 for_each_card_components(card, component) {
235 if (!strcmp(component->name, "i2c-INT343A:00")) {
236
237 dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
238 rt286_mic_detect(component, NULL);
239 break;
240 }
241 }
242
243 return 0;
244}
245
246static int broadwell_suspend(struct snd_soc_card *card)
247{
248 return broadwell_disable_jack(card);
249}
250
251static int broadwell_resume(struct snd_soc_card *card){
252 struct snd_soc_component *component;
253
254 for_each_card_components(card, component) {
255 if (!strcmp(component->name, "i2c-INT343A:00")) {
256
257 dev_dbg(component->dev, "enabling jack detect for resume.\n");
258 rt286_mic_detect(component, &broadwell_headset);
259 break;
260 }
261 }
262 return 0;
263}
264
265/* use space before codec name to simplify card ID, and simplify driver name */
266#define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
267#define SOF_DRIVER_NAME "SOF"
268
269#define CARD_NAME "broadwell-rt286"
270#define DRIVER_NAME NULL /* card name will be used for driver name */
271
272/* broadwell audio machine driver for WPT + RT286S */
273static struct snd_soc_card broadwell_rt286 = {
274 .owner = THIS_MODULE,
275 .dai_link = broadwell_rt286_dais,
276 .num_links = ARRAY_SIZE(broadwell_rt286_dais),
277 .controls = broadwell_controls,
278 .num_controls = ARRAY_SIZE(broadwell_controls),
279 .dapm_widgets = broadwell_widgets,
280 .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
281 .dapm_routes = broadwell_rt286_map,
282 .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
283 .fully_routed = true,
284 .suspend_pre = broadwell_suspend,
285 .resume_post = broadwell_resume,
286};
287
288static int broadwell_audio_probe(struct platform_device *pdev)
289{
290 struct snd_soc_acpi_mach *mach;
291 int ret;
292
293 broadwell_rt286.dev = &pdev->dev;
294
295 /* override plaform name, if required */
296 mach = pdev->dev.platform_data;
297 ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286,
298 mach->mach_params.platform);
299 if (ret)
300 return ret;
301
302 /* set card and driver name */
303 if (snd_soc_acpi_sof_parent(&pdev->dev)) {
304 broadwell_rt286.name = SOF_CARD_NAME;
305 broadwell_rt286.driver_name = SOF_DRIVER_NAME;
306 } else {
307 broadwell_rt286.name = CARD_NAME;
308 broadwell_rt286.driver_name = DRIVER_NAME;
309 }
310
311 return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
312}
313
314static int broadwell_audio_remove(struct platform_device *pdev)
315{
316 struct snd_soc_card *card = platform_get_drvdata(pdev);
317
318 return broadwell_disable_jack(card);
319}
320
321static struct platform_driver broadwell_audio = {
322 .probe = broadwell_audio_probe,
323 .remove = broadwell_audio_remove,
324 .driver = {
325 .name = "broadwell-audio",
326 .pm = &snd_soc_pm_ops
327 },
328};
329
330module_platform_driver(broadwell_audio)
331
332/* Module information */
333MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
334MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
335MODULE_LICENSE("GPL v2");
336MODULE_ALIAS("platform:broadwell-audio");