This source file includes following definitions.
- bdw_rt5677_event_hp
- broadwell_ssp0_fixup
- bdw_rt5677_hw_params
- bdw_rt5677_rtd_init
- bdw_rt5677_init
- bdw_rt5677_suspend_pre
- bdw_rt5677_resume_post
- bdw_rt5677_probe
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7
8 #include <linux/acpi.h>
9 #include <linux/module.h>
10 #include <linux/platform_device.h>
11 #include <linux/gpio/consumer.h>
12 #include <linux/delay.h>
13 #include <sound/core.h>
14 #include <sound/pcm.h>
15 #include <sound/soc.h>
16 #include <sound/pcm_params.h>
17 #include <sound/jack.h>
18 #include <sound/soc-acpi.h>
19
20 #include "../common/sst-dsp.h"
21 #include "../haswell/sst-haswell-ipc.h"
22
23 #include "../../codecs/rt5677.h"
24
25 struct bdw_rt5677_priv {
26 struct gpio_desc *gpio_hp_en;
27 struct snd_soc_component *component;
28 };
29
30 static int bdw_rt5677_event_hp(struct snd_soc_dapm_widget *w,
31 struct snd_kcontrol *k, int event)
32 {
33 struct snd_soc_dapm_context *dapm = w->dapm;
34 struct snd_soc_card *card = dapm->card;
35 struct bdw_rt5677_priv *bdw_rt5677 = snd_soc_card_get_drvdata(card);
36
37 if (SND_SOC_DAPM_EVENT_ON(event))
38 msleep(70);
39
40 gpiod_set_value_cansleep(bdw_rt5677->gpio_hp_en,
41 SND_SOC_DAPM_EVENT_ON(event));
42
43 return 0;
44 }
45
46 static const struct snd_soc_dapm_widget bdw_rt5677_widgets[] = {
47 SND_SOC_DAPM_HP("Headphone", bdw_rt5677_event_hp),
48 SND_SOC_DAPM_SPK("Speaker", NULL),
49 SND_SOC_DAPM_MIC("Headset Mic", NULL),
50 SND_SOC_DAPM_MIC("Local DMICs", NULL),
51 SND_SOC_DAPM_MIC("Remote DMICs", NULL),
52 };
53
54 static const struct snd_soc_dapm_route bdw_rt5677_map[] = {
55
56 {"Speaker", NULL, "PDM1L"},
57 {"Speaker", NULL, "PDM1R"},
58
59
60 {"Headphone", NULL, "LOUT1"},
61 {"Headphone", NULL, "LOUT2"},
62 {"IN1P", NULL, "Headset Mic"},
63 {"IN1N", NULL, "Headset Mic"},
64
65
66
67
68
69 {"DMIC L1", NULL, "Remote DMICs"},
70 {"DMIC R1", NULL, "Remote DMICs"},
71 {"DMIC L2", NULL, "Local DMICs"},
72 {"DMIC R2", NULL, "Local DMICs"},
73
74
75 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
76 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
77 };
78
79 static const struct snd_kcontrol_new bdw_rt5677_controls[] = {
80 SOC_DAPM_PIN_SWITCH("Speaker"),
81 SOC_DAPM_PIN_SWITCH("Headphone"),
82 SOC_DAPM_PIN_SWITCH("Headset Mic"),
83 SOC_DAPM_PIN_SWITCH("Local DMICs"),
84 SOC_DAPM_PIN_SWITCH("Remote DMICs"),
85 };
86
87
88 static struct snd_soc_jack headphone_jack;
89 static struct snd_soc_jack mic_jack;
90
91 static struct snd_soc_jack_pin headphone_jack_pin = {
92 .pin = "Headphone",
93 .mask = SND_JACK_HEADPHONE,
94 };
95
96 static struct snd_soc_jack_pin mic_jack_pin = {
97 .pin = "Headset Mic",
98 .mask = SND_JACK_MICROPHONE,
99 };
100
101 static struct snd_soc_jack_gpio headphone_jack_gpio = {
102 .name = "plug-det",
103 .report = SND_JACK_HEADPHONE,
104 .debounce_time = 200,
105 };
106
107 static struct snd_soc_jack_gpio mic_jack_gpio = {
108 .name = "mic-present",
109 .report = SND_JACK_MICROPHONE,
110 .debounce_time = 200,
111 .invert = 1,
112 };
113
114
115 enum {
116 RT5677_GPIO_PLUG_DET = 0,
117 RT5677_GPIO_MIC_PRESENT_L = 1,
118 RT5677_GPIO_HOTWORD_DET_L = 2,
119 RT5677_GPIO_DSP_INT = 3,
120 RT5677_GPIO_HP_AMP_SHDN_L = 4,
121 };
122
123 static const struct acpi_gpio_params plug_det_gpio = { RT5677_GPIO_PLUG_DET, 0, false };
124 static const struct acpi_gpio_params mic_present_gpio = { RT5677_GPIO_MIC_PRESENT_L, 0, false };
125 static const struct acpi_gpio_params headphone_enable_gpio = { RT5677_GPIO_HP_AMP_SHDN_L, 0, false };
126
127 static const struct acpi_gpio_mapping bdw_rt5677_gpios[] = {
128 { "plug-det-gpios", &plug_det_gpio, 1 },
129 { "mic-present-gpios", &mic_present_gpio, 1 },
130 { "headphone-enable-gpios", &headphone_enable_gpio, 1 },
131 { NULL },
132 };
133
134 static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
135 struct snd_pcm_hw_params *params)
136 {
137 struct snd_interval *rate = hw_param_interval(params,
138 SNDRV_PCM_HW_PARAM_RATE);
139 struct snd_interval *channels = hw_param_interval(params,
140 SNDRV_PCM_HW_PARAM_CHANNELS);
141
142
143 rate->min = rate->max = 48000;
144 channels->min = channels->max = 2;
145
146
147 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
148 return 0;
149 }
150
151 static int bdw_rt5677_hw_params(struct snd_pcm_substream *substream,
152 struct snd_pcm_hw_params *params)
153 {
154 struct snd_soc_pcm_runtime *rtd = substream->private_data;
155 struct snd_soc_dai *codec_dai = rtd->codec_dai;
156 int ret;
157
158 ret = snd_soc_dai_set_sysclk(codec_dai, RT5677_SCLK_S_MCLK, 24576000,
159 SND_SOC_CLOCK_IN);
160 if (ret < 0) {
161 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
162 return ret;
163 }
164
165 return ret;
166 }
167
168 static const struct snd_soc_ops bdw_rt5677_ops = {
169 .hw_params = bdw_rt5677_hw_params,
170 };
171
172 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
173 static int bdw_rt5677_rtd_init(struct snd_soc_pcm_runtime *rtd)
174 {
175 struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
176 struct sst_pdata *pdata = dev_get_platdata(component->dev);
177 struct sst_hsw *broadwell = pdata->dsp;
178 int ret;
179
180
181 ret = sst_hsw_device_set_config(broadwell, SST_HSW_DEVICE_SSP_0,
182 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ,
183 SST_HSW_DEVICE_CLOCK_MASTER, 9);
184 if (ret < 0) {
185 dev_err(rtd->dev, "error: failed to set device config\n");
186 return ret;
187 }
188
189 return 0;
190 }
191 #endif
192
193 static int bdw_rt5677_init(struct snd_soc_pcm_runtime *rtd)
194 {
195 struct bdw_rt5677_priv *bdw_rt5677 =
196 snd_soc_card_get_drvdata(rtd->card);
197 struct snd_soc_component *component = rtd->codec_dai->component;
198 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
199 int ret;
200
201 ret = devm_acpi_dev_add_driver_gpios(component->dev, bdw_rt5677_gpios);
202 if (ret)
203 dev_warn(component->dev, "Failed to add driver gpios\n");
204
205
206
207
208 rt5677_sel_asrc_clk_src(component, RT5677_DA_STEREO_FILTER |
209 RT5677_AD_STEREO1_FILTER | RT5677_I2S1_SOURCE,
210 RT5677_CLK_SEL_I2S1_ASRC);
211
212
213 bdw_rt5677->gpio_hp_en = devm_gpiod_get(component->dev, "headphone-enable",
214 GPIOD_OUT_LOW);
215 if (IS_ERR(bdw_rt5677->gpio_hp_en)) {
216 dev_err(component->dev, "Can't find HP_AMP_SHDN_L gpio\n");
217 return PTR_ERR(bdw_rt5677->gpio_hp_en);
218 }
219
220
221 if (!snd_soc_card_jack_new(rtd->card, "Headphone Jack",
222 SND_JACK_HEADPHONE, &headphone_jack,
223 &headphone_jack_pin, 1)) {
224 headphone_jack_gpio.gpiod_dev = component->dev;
225 if (snd_soc_jack_add_gpios(&headphone_jack, 1,
226 &headphone_jack_gpio))
227 dev_err(component->dev, "Can't add headphone jack gpio\n");
228 } else {
229 dev_err(component->dev, "Can't create headphone jack\n");
230 }
231
232
233 if (!snd_soc_card_jack_new(rtd->card, "Mic Jack",
234 SND_JACK_MICROPHONE, &mic_jack,
235 &mic_jack_pin, 1)) {
236 mic_jack_gpio.gpiod_dev = component->dev;
237 if (snd_soc_jack_add_gpios(&mic_jack, 1, &mic_jack_gpio))
238 dev_err(component->dev, "Can't add mic jack gpio\n");
239 } else {
240 dev_err(component->dev, "Can't create mic jack\n");
241 }
242 bdw_rt5677->component = component;
243
244 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
245 return 0;
246 }
247
248
249 SND_SOC_DAILINK_DEF(dummy,
250 DAILINK_COMP_ARRAY(COMP_DUMMY()));
251
252 SND_SOC_DAILINK_DEF(fe,
253 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
254
255 SND_SOC_DAILINK_DEF(platform,
256 DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
257
258 SND_SOC_DAILINK_DEF(be,
259 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RT5677CE:00", "rt5677-aif1")));
260
261 static struct snd_soc_dai_link bdw_rt5677_dais[] = {
262
263 {
264 .name = "System PCM",
265 .stream_name = "System Playback/Capture",
266 .dynamic = 1,
267 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
268 .init = bdw_rt5677_rtd_init,
269 #endif
270 .trigger = {
271 SND_SOC_DPCM_TRIGGER_POST,
272 SND_SOC_DPCM_TRIGGER_POST
273 },
274 .dpcm_capture = 1,
275 .dpcm_playback = 1,
276 SND_SOC_DAILINK_REG(fe, dummy, platform),
277 },
278
279
280 {
281
282 .name = "Codec",
283 .id = 0,
284 .no_pcm = 1,
285 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
286 SND_SOC_DAIFMT_CBS_CFS,
287 .ignore_suspend = 1,
288 .ignore_pmdown_time = 1,
289 .be_hw_params_fixup = broadwell_ssp0_fixup,
290 .ops = &bdw_rt5677_ops,
291 .dpcm_playback = 1,
292 .dpcm_capture = 1,
293 .init = bdw_rt5677_init,
294 SND_SOC_DAILINK_REG(dummy, be, dummy),
295 },
296 };
297
298 static int bdw_rt5677_suspend_pre(struct snd_soc_card *card)
299 {
300 struct bdw_rt5677_priv *bdw_rt5677 = snd_soc_card_get_drvdata(card);
301 struct snd_soc_dapm_context *dapm;
302
303 if (bdw_rt5677->component) {
304 dapm = snd_soc_component_get_dapm(bdw_rt5677->component);
305 snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
306 }
307 return 0;
308 }
309
310 static int bdw_rt5677_resume_post(struct snd_soc_card *card)
311 {
312 struct bdw_rt5677_priv *bdw_rt5677 = snd_soc_card_get_drvdata(card);
313 struct snd_soc_dapm_context *dapm;
314
315 if (bdw_rt5677->component) {
316 dapm = snd_soc_component_get_dapm(bdw_rt5677->component);
317 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
318 }
319 return 0;
320 }
321
322
323 static struct snd_soc_card bdw_rt5677_card = {
324 .name = "bdw-rt5677",
325 .owner = THIS_MODULE,
326 .dai_link = bdw_rt5677_dais,
327 .num_links = ARRAY_SIZE(bdw_rt5677_dais),
328 .dapm_widgets = bdw_rt5677_widgets,
329 .num_dapm_widgets = ARRAY_SIZE(bdw_rt5677_widgets),
330 .dapm_routes = bdw_rt5677_map,
331 .num_dapm_routes = ARRAY_SIZE(bdw_rt5677_map),
332 .controls = bdw_rt5677_controls,
333 .num_controls = ARRAY_SIZE(bdw_rt5677_controls),
334 .fully_routed = true,
335 .suspend_pre = bdw_rt5677_suspend_pre,
336 .resume_post = bdw_rt5677_resume_post,
337 };
338
339 static int bdw_rt5677_probe(struct platform_device *pdev)
340 {
341 struct bdw_rt5677_priv *bdw_rt5677;
342 struct snd_soc_acpi_mach *mach;
343 int ret;
344
345 bdw_rt5677_card.dev = &pdev->dev;
346
347
348 bdw_rt5677 = devm_kzalloc(&pdev->dev, sizeof(struct bdw_rt5677_priv),
349 GFP_KERNEL);
350 if (!bdw_rt5677) {
351 dev_err(&pdev->dev, "Can't allocate bdw_rt5677\n");
352 return -ENOMEM;
353 }
354
355
356 mach = (&pdev->dev)->platform_data;
357 ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt5677_card,
358 mach->mach_params.platform);
359 if (ret)
360 return ret;
361
362 snd_soc_card_set_drvdata(&bdw_rt5677_card, bdw_rt5677);
363
364 return devm_snd_soc_register_card(&pdev->dev, &bdw_rt5677_card);
365 }
366
367 static struct platform_driver bdw_rt5677_audio = {
368 .probe = bdw_rt5677_probe,
369 .driver = {
370 .name = "bdw-rt5677",
371 },
372 };
373
374 module_platform_driver(bdw_rt5677_audio)
375
376
377 MODULE_AUTHOR("Ben Zhang");
378 MODULE_DESCRIPTION("Intel Broadwell RT5677 machine driver");
379 MODULE_LICENSE("GPL v2");
380 MODULE_ALIAS("platform:bdw-rt5677");