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