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2d995e5d JK |
1 | /* |
2 | * ASoC machine driver for Intel Broadwell platforms with RT5677 codec | |
3 | * | |
4 | * Copyright (c) 2014, The Chromium OS Authors. All rights reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms and conditions of the GNU General Public License, | |
8 | * version 2, as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
55e59aa0 | 19 | #include <linux/acpi.h> |
2d995e5d JK |
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 | ||
35 | struct bdw_rt5677_priv { | |
36 | struct gpio_desc *gpio_hp_en; | |
37 | struct snd_soc_codec *codec; | |
38 | }; | |
39 | ||
40 | static 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 | ||
56 | static 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 | ||
64 | static const struct snd_soc_dapm_route bdw_rt5677_map[] = { | |
65 | /* Speakers */ | |
66 | {"Speaker", NULL, "PDM1L"}, | |
67 | {"Speaker", NULL, "PDM1R"}, | |
68 | ||
69 | /* Headset jack connectors */ | |
70 | {"Headphone", NULL, "LOUT1"}, | |
71 | {"Headphone", NULL, "LOUT2"}, | |
72 | {"IN1P", NULL, "Headset Mic"}, | |
73 | {"IN1N", NULL, "Headset Mic"}, | |
74 | ||
75 | /* Digital MICs | |
76 | * Local DMICs: the two DMICs on the mainboard | |
77 | * Remote DMICs: the two DMICs on the camera module | |
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 | /* CODEC BE connections */ | |
85 | {"SSP0 CODEC IN", NULL, "AIF1 Capture"}, | |
86 | {"AIF1 Playback", NULL, "SSP0 CODEC OUT"}, | |
87 | }; | |
88 | ||
89 | static 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 | ||
98 | static struct snd_soc_jack headphone_jack; | |
99 | static struct snd_soc_jack mic_jack; | |
100 | ||
101 | static struct snd_soc_jack_pin headphone_jack_pin = { | |
102 | .pin = "Headphone", | |
103 | .mask = SND_JACK_HEADPHONE, | |
104 | }; | |
105 | ||
106 | static struct snd_soc_jack_pin mic_jack_pin = { | |
107 | .pin = "Headset Mic", | |
108 | .mask = SND_JACK_MICROPHONE, | |
109 | }; | |
110 | ||
111 | static struct snd_soc_jack_gpio headphone_jack_gpio = { | |
112 | .name = "plug-det", | |
113 | .report = SND_JACK_HEADPHONE, | |
114 | .debounce_time = 200, | |
115 | }; | |
116 | ||
117 | static 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 | ||
55e59aa0 AS |
124 | /* GPIO indexes defined by ACPI */ |
125 | enum { | |
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 | ||
133 | static const struct acpi_gpio_params plug_det_gpio = { RT5677_GPIO_PLUG_DET, 0, false }; | |
134 | static const struct acpi_gpio_params mic_present_gpio = { RT5677_GPIO_MIC_PRESENT_L, 0, false }; | |
135 | static const struct acpi_gpio_params headphone_enable_gpio = { RT5677_GPIO_HP_AMP_SHDN_L, 0, false }; | |
136 | ||
137 | static 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 | ||
2d995e5d JK |
144 | static 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 | /* The ADSP will covert the FE rate to 48k, stereo */ | |
153 | rate->min = rate->max = 48000; | |
154 | channels->min = channels->max = 2; | |
155 | ||
156 | /* set SSP0 to 16 bit */ | |
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 | ||
163 | static 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 | ||
9b6fdef6 | 180 | static const struct snd_soc_ops bdw_rt5677_ops = { |
2d995e5d JK |
181 | .hw_params = bdw_rt5677_hw_params, |
182 | }; | |
183 | ||
184 | static 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 | /* Set ADSP SSP port settings */ | |
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 | ||
202 | static 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); | |
55e59aa0 AS |
208 | int ret; |
209 | ||
0931352d | 210 | ret = devm_acpi_dev_add_driver_gpios(codec->dev, bdw_rt5677_gpios); |
55e59aa0 AS |
211 | if (ret) |
212 | dev_warn(codec->dev, "Failed to add driver gpios\n"); | |
2d995e5d JK |
213 | |
214 | /* Enable codec ASRC function for Stereo DAC/Stereo1 ADC/DMIC/I2S1. | |
215 | * The ASRC clock source is clk_i2s1_asrc. | |
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 | /* Request rt5677 GPIO for headphone amp control */ | |
b3ec72ac AS |
222 | bdw_rt5677->gpio_hp_en = devm_gpiod_get(codec->dev, "headphone-enable", |
223 | GPIOD_OUT_LOW); | |
2d995e5d JK |
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 | } | |
2d995e5d JK |
228 | |
229 | /* Create and initialize headphone jack */ | |
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 | /* Create and initialize mic jack */ | |
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 | /* broadwell digital audio interface glue - connects codec <--> CPU */ | |
258 | static struct snd_soc_dai_link bdw_rt5677_dais[] = { | |
259 | /* Front End DAI links */ | |
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 | /* Back End DAI links */ | |
278 | { | |
279 | /* SSP0 - Codec */ | |
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 | ||
299 | static 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 | ||
311 | static 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 | /* ASoC machine driver for Broadwell DSP + RT5677 */ | |
324 | static 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 | ||
340 | static 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 | /* Allocate driver private struct */ | |
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 | ||
359 | static struct platform_driver bdw_rt5677_audio = { | |
360 | .probe = bdw_rt5677_probe, | |
361 | .driver = { | |
362 | .name = "bdw-rt5677", | |
363 | }, | |
364 | }; | |
365 | ||
366 | module_platform_driver(bdw_rt5677_audio) | |
367 | ||
368 | /* Module information */ | |
369 | MODULE_AUTHOR("Ben Zhang"); | |
370 | MODULE_DESCRIPTION("Intel Broadwell RT5677 machine driver"); | |
371 | MODULE_LICENSE("GPL v2"); | |
372 | MODULE_ALIAS("platform:bdw-rt5677"); |