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
22 static struct snd_soc_jack broadwell_headset;
23 /* Headset jack detection DAPM pins */
24 static 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
35 static const struct snd_kcontrol_new broadwell_controls[] = {
36 SOC_DAPM_PIN_SWITCH("Speaker"),
37 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
38 };
39
40 static 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
49 static 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
broadwell_rt286_codec_init(struct snd_soc_pcm_runtime * rtd)71 static int broadwell_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
72 {
73 struct snd_soc_component *component = rtd->codec_dai->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
broadwell_ssp0_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)86 static 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
broadwell_rt286_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)103 static 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 = substream->private_data;
107 struct snd_soc_dai *codec_dai = rtd->codec_dai;
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
121 static 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)
broadwell_rtd_init(struct snd_soc_pcm_runtime * rtd)126 static 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
146 SND_SOC_DAILINK_DEF(system,
147 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
148
149 SND_SOC_DAILINK_DEF(offload0,
150 DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
151
152 SND_SOC_DAILINK_DEF(offload1,
153 DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
154
155 SND_SOC_DAILINK_DEF(loopback,
156 DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
157
158 SND_SOC_DAILINK_DEF(dummy,
159 DAILINK_COMP_ARRAY(COMP_DUMMY()));
160
161 SND_SOC_DAILINK_DEF(platform,
162 DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
163
164 SND_SOC_DAILINK_DEF(codec,
165 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
166
167 /* broadwell digital audio interface glue - connects codec <--> CPU */
168 static struct snd_soc_dai_link broadwell_rt286_dais[] = {
169 /* Front End DAI links */
170 {
171 .name = "System PCM",
172 .stream_name = "System Playback/Capture",
173 .dynamic = 1,
174 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
175 .init = broadwell_rtd_init,
176 #endif
177 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
178 .dpcm_playback = 1,
179 .dpcm_capture = 1,
180 SND_SOC_DAILINK_REG(system, dummy, platform),
181 },
182 {
183 .name = "Offload0",
184 .stream_name = "Offload0 Playback",
185 .dynamic = 1,
186 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
187 .dpcm_playback = 1,
188 SND_SOC_DAILINK_REG(offload0, dummy, platform),
189 },
190 {
191 .name = "Offload1",
192 .stream_name = "Offload1 Playback",
193 .dynamic = 1,
194 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
195 .dpcm_playback = 1,
196 SND_SOC_DAILINK_REG(offload1, dummy, platform),
197 },
198 {
199 .name = "Loopback PCM",
200 .stream_name = "Loopback",
201 .dynamic = 1,
202 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
203 .dpcm_capture = 1,
204 SND_SOC_DAILINK_REG(loopback, dummy, platform),
205 },
206 /* Back End DAI links */
207 {
208 /* SSP0 - Codec */
209 .name = "Codec",
210 .id = 0,
211 .no_pcm = 1,
212 .init = broadwell_rt286_codec_init,
213 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
214 SND_SOC_DAIFMT_CBS_CFS,
215 .ignore_suspend = 1,
216 .ignore_pmdown_time = 1,
217 .be_hw_params_fixup = broadwell_ssp0_fixup,
218 .ops = &broadwell_rt286_ops,
219 .dpcm_playback = 1,
220 .dpcm_capture = 1,
221 SND_SOC_DAILINK_REG(dummy, codec, dummy),
222 },
223 };
224
broadwell_suspend(struct snd_soc_card * card)225 static int broadwell_suspend(struct snd_soc_card *card){
226 struct snd_soc_component *component;
227
228 for_each_card_components(card, component) {
229 if (!strcmp(component->name, "i2c-INT343A:00")) {
230
231 dev_dbg(component->dev, "disabling jack detect before going to suspend.\n");
232 rt286_mic_detect(component, NULL);
233 break;
234 }
235 }
236 return 0;
237 }
238
broadwell_resume(struct snd_soc_card * card)239 static int broadwell_resume(struct snd_soc_card *card){
240 struct snd_soc_component *component;
241
242 for_each_card_components(card, component) {
243 if (!strcmp(component->name, "i2c-INT343A:00")) {
244
245 dev_dbg(component->dev, "enabling jack detect for resume.\n");
246 rt286_mic_detect(component, &broadwell_headset);
247 break;
248 }
249 }
250 return 0;
251 }
252
253 /* broadwell audio machine driver for WPT + RT286S */
254 static struct snd_soc_card broadwell_rt286 = {
255 .name = "broadwell-rt286",
256 .owner = THIS_MODULE,
257 .dai_link = broadwell_rt286_dais,
258 .num_links = ARRAY_SIZE(broadwell_rt286_dais),
259 .controls = broadwell_controls,
260 .num_controls = ARRAY_SIZE(broadwell_controls),
261 .dapm_widgets = broadwell_widgets,
262 .num_dapm_widgets = ARRAY_SIZE(broadwell_widgets),
263 .dapm_routes = broadwell_rt286_map,
264 .num_dapm_routes = ARRAY_SIZE(broadwell_rt286_map),
265 .fully_routed = true,
266 .suspend_pre = broadwell_suspend,
267 .resume_post = broadwell_resume,
268 };
269
broadwell_audio_probe(struct platform_device * pdev)270 static int broadwell_audio_probe(struct platform_device *pdev)
271 {
272 struct snd_soc_acpi_mach *mach;
273 int ret;
274
275 broadwell_rt286.dev = &pdev->dev;
276
277 /* override plaform name, if required */
278 mach = (&pdev->dev)->platform_data;
279 ret = snd_soc_fixup_dai_links_platform_name(&broadwell_rt286,
280 mach->mach_params.platform);
281 if (ret)
282 return ret;
283
284 return devm_snd_soc_register_card(&pdev->dev, &broadwell_rt286);
285 }
286
287 static struct platform_driver broadwell_audio = {
288 .probe = broadwell_audio_probe,
289 .driver = {
290 .name = "broadwell-audio",
291 },
292 };
293
294 module_platform_driver(broadwell_audio)
295
296 /* Module information */
297 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
298 MODULE_DESCRIPTION("Intel SST Audio for WPT/Broadwell");
299 MODULE_LICENSE("GPL v2");
300 MODULE_ALIAS("platform:broadwell-audio");
301