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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * ASoC machine driver for Intel Broadwell platforms with RT5677 codec
4 *
5 * Copyright (c) 2014, The Chromium OS Authors. All rights reserved.
6 */
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 "../../codecs/rt5677.h"
21
22struct bdw_rt5677_priv {
23 struct gpio_desc *gpio_hp_en;
24 struct snd_soc_component *component;
25};
26
27static int bdw_rt5677_event_hp(struct snd_soc_dapm_widget *w,
28 struct snd_kcontrol *k, int event)
29{
30 struct snd_soc_dapm_context *dapm = w->dapm;
31 struct snd_soc_card *card = dapm->card;
32 struct bdw_rt5677_priv *bdw_rt5677 = snd_soc_card_get_drvdata(card);
33
34 if (SND_SOC_DAPM_EVENT_ON(event))
35 msleep(70);
36
37 gpiod_set_value_cansleep(bdw_rt5677->gpio_hp_en,
38 SND_SOC_DAPM_EVENT_ON(event));
39
40 return 0;
41}
42
43static const struct snd_soc_dapm_widget bdw_rt5677_widgets[] = {
44 SND_SOC_DAPM_HP("Headphone", bdw_rt5677_event_hp),
45 SND_SOC_DAPM_SPK("Speaker", NULL),
46 SND_SOC_DAPM_MIC("Headset Mic", NULL),
47 SND_SOC_DAPM_MIC("Local DMICs", NULL),
48 SND_SOC_DAPM_MIC("Remote DMICs", NULL),
49};
50
51static const struct snd_soc_dapm_route bdw_rt5677_map[] = {
52 /* Speakers */
53 {"Speaker", NULL, "PDM1L"},
54 {"Speaker", NULL, "PDM1R"},
55
56 /* Headset jack connectors */
57 {"Headphone", NULL, "LOUT1"},
58 {"Headphone", NULL, "LOUT2"},
59 {"IN1P", NULL, "Headset Mic"},
60 {"IN1N", NULL, "Headset Mic"},
61
62 /* Digital MICs
63 * Local DMICs: the two DMICs on the mainboard
64 * Remote DMICs: the two DMICs on the camera module
65 */
66 {"DMIC L1", NULL, "Remote DMICs"},
67 {"DMIC R1", NULL, "Remote DMICs"},
68 {"DMIC L2", NULL, "Local DMICs"},
69 {"DMIC R2", NULL, "Local DMICs"},
70
71 /* CODEC BE connections */
72 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
73 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
74 {"DSP Capture", NULL, "DSP Buffer"},
75
76 /* DSP Clock Connections */
77 { "DSP Buffer", NULL, "SSP0 CODEC IN" },
78 { "SSP0 CODEC IN", NULL, "DSPTX" },
79};
80
81static const struct snd_kcontrol_new bdw_rt5677_controls[] = {
82 SOC_DAPM_PIN_SWITCH("Speaker"),
83 SOC_DAPM_PIN_SWITCH("Headphone"),
84 SOC_DAPM_PIN_SWITCH("Headset Mic"),
85 SOC_DAPM_PIN_SWITCH("Local DMICs"),
86 SOC_DAPM_PIN_SWITCH("Remote DMICs"),
87};
88
89
90static struct snd_soc_jack headphone_jack;
91static struct snd_soc_jack mic_jack;
92
93static struct snd_soc_jack_pin headphone_jack_pin = {
94 .pin = "Headphone",
95 .mask = SND_JACK_HEADPHONE,
96};
97
98static struct snd_soc_jack_pin mic_jack_pin = {
99 .pin = "Headset Mic",
100 .mask = SND_JACK_MICROPHONE,
101};
102
103static struct snd_soc_jack_gpio headphone_jack_gpio = {
104 .name = "plug-det",
105 .report = SND_JACK_HEADPHONE,
106 .debounce_time = 200,
107};
108
109static struct snd_soc_jack_gpio mic_jack_gpio = {
110 .name = "mic-present",
111 .report = SND_JACK_MICROPHONE,
112 .debounce_time = 200,
113 .invert = 1,
114};
115
116/* GPIO indexes defined by ACPI */
117enum {
118 RT5677_GPIO_PLUG_DET = 0,
119 RT5677_GPIO_MIC_PRESENT_L = 1,
120 RT5677_GPIO_HOTWORD_DET_L = 2,
121 RT5677_GPIO_DSP_INT = 3,
122 RT5677_GPIO_HP_AMP_SHDN_L = 4,
123};
124
125static const struct acpi_gpio_params plug_det_gpio = { RT5677_GPIO_PLUG_DET, 0, false };
126static const struct acpi_gpio_params mic_present_gpio = { RT5677_GPIO_MIC_PRESENT_L, 0, false };
127static const struct acpi_gpio_params headphone_enable_gpio = { RT5677_GPIO_HP_AMP_SHDN_L, 0, false };
128
129static const struct acpi_gpio_mapping bdw_rt5677_gpios[] = {
130 { "plug-det-gpios", &plug_det_gpio, 1 },
131 { "mic-present-gpios", &mic_present_gpio, 1 },
132 { "headphone-enable-gpios", &headphone_enable_gpio, 1 },
133 { NULL },
134};
135
136static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
137 struct snd_pcm_hw_params *params)
138{
139 struct snd_interval *rate = hw_param_interval(params,
140 SNDRV_PCM_HW_PARAM_RATE);
141 struct snd_interval *chan = hw_param_interval(params,
142 SNDRV_PCM_HW_PARAM_CHANNELS);
143
144 /* The ADSP will convert the FE rate to 48k, stereo */
145 rate->min = rate->max = 48000;
146 chan->min = chan->max = 2;
147
148 /* set SSP0 to 16 bit */
149 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
150 return 0;
151}
152
153static int bdw_rt5677_hw_params(struct snd_pcm_substream *substream,
154 struct snd_pcm_hw_params *params)
155{
156 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
157 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
158 int ret;
159
160 ret = snd_soc_dai_set_sysclk(codec_dai, RT5677_SCLK_S_MCLK, 24576000,
161 SND_SOC_CLOCK_IN);
162 if (ret < 0) {
163 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
164 return ret;
165 }
166
167 return ret;
168}
169
170static int bdw_rt5677_dsp_hw_params(struct snd_pcm_substream *substream,
171 struct snd_pcm_hw_params *params)
172{
173 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
174 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
175 int ret;
176
177 ret = snd_soc_dai_set_sysclk(codec_dai, RT5677_SCLK_S_PLL1, 24576000,
178 SND_SOC_CLOCK_IN);
179 if (ret < 0) {
180 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
181 return ret;
182 }
183 ret = snd_soc_dai_set_pll(codec_dai, 0, RT5677_PLL1_S_MCLK,
184 24000000, 24576000);
185 if (ret < 0) {
186 dev_err(rtd->dev, "can't set codec pll configuration\n");
187 return ret;
188 }
189
190 return 0;
191}
192
193static const struct snd_soc_ops bdw_rt5677_ops = {
194 .hw_params = bdw_rt5677_hw_params,
195};
196
197static const struct snd_soc_ops bdw_rt5677_dsp_ops = {
198 .hw_params = bdw_rt5677_dsp_hw_params,
199};
200
201static const unsigned int channels[] = {
202 2,
203};
204
205static const struct snd_pcm_hw_constraint_list constraints_channels = {
206 .count = ARRAY_SIZE(channels),
207 .list = channels,
208 .mask = 0,
209};
210
211static int bdw_rt5677_fe_startup(struct snd_pcm_substream *substream)
212{
213 struct snd_pcm_runtime *runtime = substream->runtime;
214
215 /* Board supports stereo configuration only */
216 runtime->hw.channels_max = 2;
217 return snd_pcm_hw_constraint_list(runtime, 0,
218 SNDRV_PCM_HW_PARAM_CHANNELS,
219 &constraints_channels);
220}
221
222static const struct snd_soc_ops bdw_rt5677_fe_ops = {
223 .startup = bdw_rt5677_fe_startup,
224};
225
226static int bdw_rt5677_init(struct snd_soc_pcm_runtime *rtd)
227{
228 struct bdw_rt5677_priv *bdw_rt5677 =
229 snd_soc_card_get_drvdata(rtd->card);
230 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
231 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
232 int ret;
233
234 ret = devm_acpi_dev_add_driver_gpios(component->dev, bdw_rt5677_gpios);
235 if (ret)
236 dev_warn(component->dev, "Failed to add driver gpios\n");
237
238 /* Enable codec ASRC function for Stereo DAC/Stereo1 ADC/DMIC/I2S1.
239 * The ASRC clock source is clk_i2s1_asrc.
240 */
241 rt5677_sel_asrc_clk_src(component, RT5677_DA_STEREO_FILTER |
242 RT5677_AD_STEREO1_FILTER | RT5677_I2S1_SOURCE,
243 RT5677_CLK_SEL_I2S1_ASRC);
244 /* Enable codec ASRC function for Mono ADC L.
245 * The ASRC clock source is clk_sys2_asrc.
246 */
247 rt5677_sel_asrc_clk_src(component, RT5677_AD_MONO_L_FILTER,
248 RT5677_CLK_SEL_SYS2);
249
250 /* Request rt5677 GPIO for headphone amp control */
251 bdw_rt5677->gpio_hp_en = gpiod_get(component->dev, "headphone-enable",
252 GPIOD_OUT_LOW);
253 if (IS_ERR(bdw_rt5677->gpio_hp_en)) {
254 dev_err(component->dev, "Can't find HP_AMP_SHDN_L gpio\n");
255 return PTR_ERR(bdw_rt5677->gpio_hp_en);
256 }
257
258 /* Create and initialize headphone jack */
259 if (!snd_soc_card_jack_new_pins(rtd->card, "Headphone Jack",
260 SND_JACK_HEADPHONE, &headphone_jack,
261 &headphone_jack_pin, 1)) {
262 headphone_jack_gpio.gpiod_dev = component->dev;
263 if (snd_soc_jack_add_gpios(&headphone_jack, 1,
264 &headphone_jack_gpio))
265 dev_err(component->dev, "Can't add headphone jack gpio\n");
266 } else {
267 dev_err(component->dev, "Can't create headphone jack\n");
268 }
269
270 /* Create and initialize mic jack */
271 if (!snd_soc_card_jack_new_pins(rtd->card, "Mic Jack",
272 SND_JACK_MICROPHONE, &mic_jack,
273 &mic_jack_pin, 1)) {
274 mic_jack_gpio.gpiod_dev = component->dev;
275 if (snd_soc_jack_add_gpios(&mic_jack, 1, &mic_jack_gpio))
276 dev_err(component->dev, "Can't add mic jack gpio\n");
277 } else {
278 dev_err(component->dev, "Can't create mic jack\n");
279 }
280 bdw_rt5677->component = component;
281
282 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
283 return 0;
284}
285
286static void bdw_rt5677_exit(struct snd_soc_pcm_runtime *rtd)
287{
288 struct bdw_rt5677_priv *bdw_rt5677 =
289 snd_soc_card_get_drvdata(rtd->card);
290
291 /*
292 * The .exit() can be reached without going through the .init()
293 * so explicitly test if the gpiod is valid
294 */
295 if (!IS_ERR_OR_NULL(bdw_rt5677->gpio_hp_en))
296 gpiod_put(bdw_rt5677->gpio_hp_en);
297}
298
299/* broadwell digital audio interface glue - connects codec <--> CPU */
300SND_SOC_DAILINK_DEF(dummy,
301 DAILINK_COMP_ARRAY(COMP_DUMMY()));
302
303SND_SOC_DAILINK_DEF(fe,
304 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
305
306SND_SOC_DAILINK_DEF(platform,
307 DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
308
309SND_SOC_DAILINK_DEF(be,
310 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RT5677CE:00", "rt5677-aif1")));
311
312SND_SOC_DAILINK_DEF(ssp0_port,
313 DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
314
315/* Wake on voice interface */
316SND_SOC_DAILINK_DEFS(dsp,
317 DAILINK_COMP_ARRAY(COMP_CPU("spi-RT5677AA:00")),
318 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RT5677CE:00", "rt5677-dspbuffer")),
319 DAILINK_COMP_ARRAY(COMP_PLATFORM("spi-RT5677AA:00")));
320
321static struct snd_soc_dai_link bdw_rt5677_dais[] = {
322 /* Front End DAI links */
323 {
324 .name = "System PCM",
325 .stream_name = "System Playback/Capture",
326 .nonatomic = 1,
327 .dynamic = 1,
328 .trigger = {
329 SND_SOC_DPCM_TRIGGER_POST,
330 SND_SOC_DPCM_TRIGGER_POST
331 },
332 .ops = &bdw_rt5677_fe_ops,
333 SND_SOC_DAILINK_REG(fe, dummy, platform),
334 },
335
336 /* Non-DPCM links */
337 {
338 .name = "Codec DSP",
339 .stream_name = "Wake on Voice",
340 .capture_only = 1,
341 .ops = &bdw_rt5677_dsp_ops,
342 SND_SOC_DAILINK_REG(dsp),
343 },
344
345 /* Back End DAI links */
346 {
347 /* SSP0 - Codec */
348 .name = "Codec",
349 .id = 0,
350 .nonatomic = 1,
351 .no_pcm = 1,
352 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
353 SND_SOC_DAIFMT_CBC_CFC,
354 .ignore_pmdown_time = 1,
355 .be_hw_params_fixup = broadwell_ssp0_fixup,
356 .ops = &bdw_rt5677_ops,
357 .init = bdw_rt5677_init,
358 .exit = bdw_rt5677_exit,
359 SND_SOC_DAILINK_REG(ssp0_port, be, platform),
360 },
361};
362
363static int bdw_rt5677_suspend_pre(struct snd_soc_card *card)
364{
365 struct bdw_rt5677_priv *bdw_rt5677 = snd_soc_card_get_drvdata(card);
366 struct snd_soc_dapm_context *dapm;
367
368 if (bdw_rt5677->component) {
369 dapm = snd_soc_component_get_dapm(bdw_rt5677->component);
370 snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
371 }
372 return 0;
373}
374
375static int bdw_rt5677_resume_post(struct snd_soc_card *card)
376{
377 struct bdw_rt5677_priv *bdw_rt5677 = snd_soc_card_get_drvdata(card);
378 struct snd_soc_dapm_context *dapm;
379
380 if (bdw_rt5677->component) {
381 dapm = snd_soc_component_get_dapm(bdw_rt5677->component);
382 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
383 }
384 return 0;
385}
386
387/* use space before codec name to simplify card ID, and simplify driver name */
388#define SOF_CARD_NAME "bdw rt5677" /* card name will be 'sof-bdw rt5677' */
389#define SOF_DRIVER_NAME "SOF"
390
391#define CARD_NAME "bdw-rt5677"
392#define DRIVER_NAME NULL /* card name will be used for driver name */
393
394/* ASoC machine driver for Broadwell DSP + RT5677 */
395static struct snd_soc_card bdw_rt5677_card = {
396 .name = CARD_NAME,
397 .driver_name = DRIVER_NAME,
398 .owner = THIS_MODULE,
399 .dai_link = bdw_rt5677_dais,
400 .num_links = ARRAY_SIZE(bdw_rt5677_dais),
401 .dapm_widgets = bdw_rt5677_widgets,
402 .num_dapm_widgets = ARRAY_SIZE(bdw_rt5677_widgets),
403 .dapm_routes = bdw_rt5677_map,
404 .num_dapm_routes = ARRAY_SIZE(bdw_rt5677_map),
405 .controls = bdw_rt5677_controls,
406 .num_controls = ARRAY_SIZE(bdw_rt5677_controls),
407 .fully_routed = true,
408 .suspend_pre = bdw_rt5677_suspend_pre,
409 .resume_post = bdw_rt5677_resume_post,
410};
411
412static int bdw_rt5677_probe(struct platform_device *pdev)
413{
414 struct bdw_rt5677_priv *bdw_rt5677;
415 struct snd_soc_acpi_mach *mach;
416 int ret;
417
418 bdw_rt5677_card.dev = &pdev->dev;
419
420 /* Allocate driver private struct */
421 bdw_rt5677 = devm_kzalloc(&pdev->dev, sizeof(struct bdw_rt5677_priv),
422 GFP_KERNEL);
423 if (!bdw_rt5677)
424 return -ENOMEM;
425
426 /* override platform name, if required */
427 mach = pdev->dev.platform_data;
428 ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt5677_card,
429 mach->mach_params.platform);
430 if (ret)
431 return ret;
432
433 /* set card and driver name */
434 if (snd_soc_acpi_sof_parent(&pdev->dev)) {
435 bdw_rt5677_card.name = SOF_CARD_NAME;
436 bdw_rt5677_card.driver_name = SOF_DRIVER_NAME;
437 } else {
438 bdw_rt5677_card.name = CARD_NAME;
439 bdw_rt5677_card.driver_name = DRIVER_NAME;
440 }
441
442 snd_soc_card_set_drvdata(&bdw_rt5677_card, bdw_rt5677);
443
444 return devm_snd_soc_register_card(&pdev->dev, &bdw_rt5677_card);
445}
446
447static struct platform_driver bdw_rt5677_audio = {
448 .probe = bdw_rt5677_probe,
449 .driver = {
450 .name = "bdw-rt5677",
451 .pm = &snd_soc_pm_ops
452 },
453};
454
455module_platform_driver(bdw_rt5677_audio)
456
457/* Module information */
458MODULE_AUTHOR("Ben Zhang");
459MODULE_DESCRIPTION("Intel Broadwell RT5677 machine driver");
460MODULE_LICENSE("GPL v2");
461MODULE_ALIAS("platform:bdw-rt5677");
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * ASoC machine driver for Intel Broadwell platforms with RT5677 codec
4 *
5 * Copyright (c) 2014, The Chromium OS Authors. All rights reserved.
6 */
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
25struct bdw_rt5677_priv {
26 struct gpio_desc *gpio_hp_en;
27 struct snd_soc_component *component;
28};
29
30static 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
46static 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
54static const struct snd_soc_dapm_route bdw_rt5677_map[] = {
55 /* Speakers */
56 {"Speaker", NULL, "PDM1L"},
57 {"Speaker", NULL, "PDM1R"},
58
59 /* Headset jack connectors */
60 {"Headphone", NULL, "LOUT1"},
61 {"Headphone", NULL, "LOUT2"},
62 {"IN1P", NULL, "Headset Mic"},
63 {"IN1N", NULL, "Headset Mic"},
64
65 /* Digital MICs
66 * Local DMICs: the two DMICs on the mainboard
67 * Remote DMICs: the two DMICs on the camera module
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 /* CODEC BE connections */
75 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},
76 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
77};
78
79static 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
88static struct snd_soc_jack headphone_jack;
89static struct snd_soc_jack mic_jack;
90
91static struct snd_soc_jack_pin headphone_jack_pin = {
92 .pin = "Headphone",
93 .mask = SND_JACK_HEADPHONE,
94};
95
96static struct snd_soc_jack_pin mic_jack_pin = {
97 .pin = "Headset Mic",
98 .mask = SND_JACK_MICROPHONE,
99};
100
101static struct snd_soc_jack_gpio headphone_jack_gpio = {
102 .name = "plug-det",
103 .report = SND_JACK_HEADPHONE,
104 .debounce_time = 200,
105};
106
107static 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/* GPIO indexes defined by ACPI */
115enum {
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
123static const struct acpi_gpio_params plug_det_gpio = { RT5677_GPIO_PLUG_DET, 0, false };
124static const struct acpi_gpio_params mic_present_gpio = { RT5677_GPIO_MIC_PRESENT_L, 0, false };
125static const struct acpi_gpio_params headphone_enable_gpio = { RT5677_GPIO_HP_AMP_SHDN_L, 0, false };
126
127static 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
134static 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 /* The ADSP will covert the FE rate to 48k, stereo */
143 rate->min = rate->max = 48000;
144 channels->min = channels->max = 2;
145
146 /* set SSP0 to 16 bit */
147 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
148 return 0;
149}
150
151static 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
168static 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)
173static 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 /* Set ADSP SSP port settings */
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
193static 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 /* Enable codec ASRC function for Stereo DAC/Stereo1 ADC/DMIC/I2S1.
206 * The ASRC clock source is clk_i2s1_asrc.
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 /* Request rt5677 GPIO for headphone amp control */
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 /* Create and initialize headphone jack */
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 /* Create and initialize mic jack */
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/* broadwell digital audio interface glue - connects codec <--> CPU */
249SND_SOC_DAILINK_DEF(dummy,
250 DAILINK_COMP_ARRAY(COMP_DUMMY()));
251
252SND_SOC_DAILINK_DEF(fe,
253 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
254
255SND_SOC_DAILINK_DEF(platform,
256 DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
257
258SND_SOC_DAILINK_DEF(be,
259 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-RT5677CE:00", "rt5677-aif1")));
260
261static struct snd_soc_dai_link bdw_rt5677_dais[] = {
262 /* Front End DAI links */
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 /* Back End DAI links */
280 {
281 /* SSP0 - Codec */
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
298static 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
310static 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/* ASoC machine driver for Broadwell DSP + RT5677 */
323static 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
339static 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 /* Allocate driver private struct */
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 /* override plaform name, if required */
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
367static struct platform_driver bdw_rt5677_audio = {
368 .probe = bdw_rt5677_probe,
369 .driver = {
370 .name = "bdw-rt5677",
371 },
372};
373
374module_platform_driver(bdw_rt5677_audio)
375
376/* Module information */
377MODULE_AUTHOR("Ben Zhang");
378MODULE_DESCRIPTION("Intel Broadwell RT5677 machine driver");
379MODULE_LICENSE("GPL v2");
380MODULE_ALIAS("platform:bdw-rt5677");