Loading...
Note: File does not exist in v6.13.7.
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 "../common/sst-dsp.h"
18#include "../haswell/sst-haswell-ipc.h"
19
20#include "../../codecs/rt286.h"
21
22static struct snd_soc_jack broadwell_headset;
23/* Headset jack detection DAPM pins */
24static struct snd_soc_jack_pin broadwell_headset_pins[] = {
25 {
26 .pin = "Mic Jack",
27 .mask = SND_JACK_MICROPHONE,
28 },
29 {
30 .pin = "Headphone Jack",
31 .mask = SND_JACK_HEADPHONE,
32 },
33};
34
35static const struct snd_kcontrol_new broadwell_controls[] = {
36 SOC_DAPM_PIN_SWITCH("Speaker"),
37 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
38};
39
40static const struct snd_soc_dapm_widget broadwell_widgets[] = {
41 SND_SOC_DAPM_HP("Headphone Jack", NULL),
42 SND_SOC_DAPM_SPK("Speaker", NULL),
43 SND_SOC_DAPM_MIC("Mic Jack", NULL),
44 SND_SOC_DAPM_MIC("DMIC1", NULL),
45 SND_SOC_DAPM_MIC("DMIC2", NULL),
46 SND_SOC_DAPM_LINE("Line Jack", NULL),
47};
48
49static const struct snd_soc_dapm_route broadwell_rt286_map[] = {
50
51 /* speaker */
52 {"Speaker", NULL, "SPOR"},
53 {"Speaker", NULL, "SPOL"},
54
55 /* HP jack connectors - unknown if we have jack deteck */
56 {"Headphone Jack", NULL, "HPO Pin"},
57
58 /* other jacks */
59 {"MIC1", NULL, "Mic Jack"},
60 {"LINE1", NULL, "Line Jack"},
61
62 /* digital mics */
63 {"DMIC1 Pin", NULL, "DMIC1"},
64 {"DMIC2 Pin", NULL, "DMIC2"},
65
66 /* CODEC BE connections */
67 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
68 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
69};
70
71static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
72{
73 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
74 int ret = 0;
75 ret = snd_soc_card_jack_new(rtd->card, "Headset",
76 SND_JACK_HEADSET | SND_JACK_BTN_0, &broadwell_headset,
77 broadwell_headset_pins, ARRAY_SIZE(broadwell_headset_pins));
78 if (ret)
79 return ret;
80
81 rt286_mic_detect(component, &broadwell_headset);
82 return 0;
83}
84
85
86static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
87 struct snd_pcm_hw_params *params)
88{
89 struct snd_interval *rate = hw_param_interval(params,
90 SNDRV_PCM_HW_PARAM_RATE);
91 struct snd_interval *channels = hw_param_interval(params,
92 SNDRV_PCM_HW_PARAM_CHANNELS);
93
94 /* The ADSP will covert the FE rate to 48k, stereo */
95 rate->min = rate->max = 48000;
96 channels->min = channels->max = 2;
97
98 /* set SSP0 to 16 bit */
99 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
100 return 0;
101}
102
103static int broadwell_rt286_hw_params(struct snd_pcm_substream *substream,
104 struct snd_pcm_hw_params *params)
105{
106 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
107 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
108 int ret;
109
110 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
111 SND_SOC_CLOCK_IN);
112
113 if (ret < 0) {
114 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
115 return ret;
116 }
117
118 return ret;
119}
120
121static const struct snd_soc_ops broadwell_rt286_ops = {
122 .hw_params = broadwell_rt286_hw_params,
123};
124
125#if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
126static int broadwell_rtd_init(struct snd_soc_pcm_runtime *rtd)
127{
128 struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
129 struct sst_pdata *pdata = dev_get_platdata(component->dev);
130 struct sst_hsw *broadwell = pdata->dsp;
131 int ret;
132
133 /* Set ADSP SSP port settings */
134 ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
135 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
136 SST_HSW_DEVICE_CLOCK_MASTER, 9);
137 if (ret < 0) {
138 dev_err(rtd->dev, "error: failed to set device config\n");
139 return ret;
140 }
141
142 return 0;
143}
144#endif
145
146static const unsigned int channels[] = {
147 2,
148};
149
150static const struct snd_pcm_hw_constraint_list constraints_channels = {
151 .count = ARRAY_SIZE(channels),
152 .list = channels,
153 .mask = 0,
154};
155
156static int broadwell_fe_startup(struct snd_pcm_substream *substream)
157{
158 struct snd_pcm_runtime *runtime = substream->runtime;
159
160 /* Board supports stereo configuration only */
161 runtime->hw.channels_max = 2;
162 return snd_pcm_hw_constraint_list(runtime, 0,
163 SNDRV_PCM_HW_PARAM_CHANNELS,
164 &constraints_channels);
165}
166
167static const struct snd_soc_ops broadwell_fe_ops = {
168 .startup = broadwell_fe_startup,
169};
170
171SND_SOC_DAILINK_DEF(system,
172 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
173
174SND_SOC_DAILINK_DEF(offload0,
175 DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
176
177SND_SOC_DAILINK_DEF(offload1,
178 DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
179
180SND_SOC_DAILINK_DEF(loopback,
181 DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
182
183SND_SOC_DAILINK_DEF(dummy,
184 DAILINK_COMP_ARRAY(COMP_DUMMY()));
185
186SND_SOC_DAILINK_DEF(platform,
187 DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
188
189SND_SOC_DAILINK_DEF(codec,
190 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
191
192#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
193SND_SOC_DAILINK_DEF(ssp0_port,
194 DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
195#endif
196
197/* broadwell digital audio interface glue - connects codec <--> CPU */
198static struct snd_soc_dai_link broadwell_rt286_dais[] = {
199 /* Front End DAI links */
200 {
201 .name = "System PCM",
202 .stream_name = "System Playback/Capture",
203 .dynamic = 1,
204#if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
205 .init = broadwell_rtd_init,
206#endif
207 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
208 .ops = &broadwell_fe_ops,
209 .dpcm_playback = 1,
210 .dpcm_capture = 1,
211 SND_SOC_DAILINK_REG(system, dummy, platform),
212 },
213 {
214 .name = "Offload0",
215 .stream_name = "Offload0 Playback",
216 .dynamic = 1,
217 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
218 .dpcm_playback = 1,
219 SND_SOC_DAILINK_REG(offload0, dummy, platform),
220 },
221 {
222 .name = "Offload1",
223 .stream_name = "Offload1 Playback",
224 .dynamic = 1,
225 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
226 .dpcm_playback = 1,
227 SND_SOC_DAILINK_REG(offload1, dummy, platform),
228 },
229 {
230 .name = "Loopback PCM",
231 .stream_name = "Loopback",
232 .dynamic = 1,
233 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
234 .dpcm_capture = 1,
235 SND_SOC_DAILINK_REG(loopback, dummy, platform),
236 },
237 /* Back End DAI links */
238 {
239 /* SSP0 - Codec */
240 .name = "Codec",
241 .id = 0,
242 .no_pcm = 1,
243 .init = broadwell_rt286_codec_init,
244 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
245 SND_SOC_DAIFMT_CBS_CFS,
246 .ignore_pmdown_time = 1,
247 .be_hw_params_fixup = broadwell_ssp0_fixup,
248 .ops = &broadwell_rt286_ops,
249 .dpcm_playback = 1,
250 .dpcm_capture = 1,
251#if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
252 SND_SOC_DAILINK_REG(dummy, codec, dummy),
253#else
254 SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
255#endif
256 },
257};
258
259static int broadwell_disable_jack(struct snd_soc_card *card)
260{
261 struct snd_soc_component *component;
262
263 for_each_card_components(card, component) {
264 if (!strcmp(component->name, "i2c-INT343A:00")) {
265
266 dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
267 rt286_mic_detect(component, NULL);
268 break;
269 }
270 }
271
272 return 0;
273}
274
275static int broadwell_suspend(struct snd_soc_card *card)
276{
277 return broadwell_disable_jack(card);
278}
279
280static int broadwell_resume(struct snd_soc_card *card){
281 struct snd_soc_component *component;
282
283 for_each_card_components(card, component) {
284 if (!strcmp(component->name, "i2c-INT343A:00")) {
285
286 dev_dbg(component->dev, "enabling jack detect for resume.\n");
287 rt286_mic_detect(component, &broadwell_headset);
288 break;
289 }
290 }
291 return 0;
292}
293
294#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
295/* use space before codec name to simplify card ID, and simplify driver name */
296#define CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
297#define DRIVER_NAME "SOF"
298#else
299#define CARD_NAME "broadwell-rt286"
300#define DRIVER_NAME NULL /* card name will be used for driver name */
301#endif
302
303/* broadwell audio machine driver for WPT + RT286S */
304static struct snd_soc_card broadwell_rt286 = {
305 .name = CARD_NAME,
306 .driver_name = DRIVER_NAME,
307 .owner = THIS_MODULE,
308 .dai_link = broadwell_rt286_dais,
309 .num_links = ARRAY_SIZE(broadwell_rt286_dais),
310 .controls = broadwell_controls,
311 .num_controls = ARRAY_SIZE(broadwell_controls),
312 .dapm_widgets = broadwell_widgets,
313 .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
314 .dapm_routes = broadwell_rt286_map,
315 .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
316 .fully_routed = true,
317 .suspend_pre = broadwell_suspend,
318 .resume_post = broadwell_resume,
319};
320
321static int broadwell_audio_probe(struct platform_device *pdev)
322{
323 struct snd_soc_acpi_mach *mach;
324 int ret;
325
326 broadwell_rt286.dev = &pdev->dev;
327
328 /* override plaform name, if required */
329 mach = pdev->dev.platform_data;
330 ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286,
331 mach->mach_params.platform);
332 if (ret)
333 return ret;
334
335 return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
336}
337
338static int broadwell_audio_remove(struct platform_device *pdev)
339{
340 struct snd_soc_card *card = platform_get_drvdata(pdev);
341
342 return broadwell_disable_jack(card);
343}
344
345static struct platform_driver broadwell_audio = {
346 .probe = broadwell_audio_probe,
347 .remove = broadwell_audio_remove,
348 .driver = {
349 .name = "broadwell-audio",
350 },
351};
352
353module_platform_driver(broadwell_audio)
354
355/* Module information */
356MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
357MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
358MODULE_LICENSE("GPL v2");
359MODULE_ALIAS("platform:broadwell-audio");