2 * ASoC machine driver for Intel Broadwell platforms with RT5677 codec
4 * Copyright (c) 2014, The Chromium OS Authors. All rights reserved.
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.
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
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/>.
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 #include <sound/soc-acpi.h>
31 #include "../common/sst-dsp.h"
32 #include "../haswell/sst-haswell-ipc.h"
34 #include "../../codecs/rt5677.h"
36 struct bdw_rt5677_priv
{
37 struct gpio_desc
*gpio_hp_en
;
38 struct snd_soc_component
*component
;
41 static int bdw_rt5677_event_hp(struct snd_soc_dapm_widget
*w
,
42 struct snd_kcontrol
*k
, int event
)
44 struct snd_soc_dapm_context
*dapm
= w
->dapm
;
45 struct snd_soc_card
*card
= dapm
->card
;
46 struct bdw_rt5677_priv
*bdw_rt5677
= snd_soc_card_get_drvdata(card
);
48 if (SND_SOC_DAPM_EVENT_ON(event
))
51 gpiod_set_value_cansleep(bdw_rt5677
->gpio_hp_en
,
52 SND_SOC_DAPM_EVENT_ON(event
));
57 static const struct snd_soc_dapm_widget bdw_rt5677_widgets
[] = {
58 SND_SOC_DAPM_HP("Headphone", bdw_rt5677_event_hp
),
59 SND_SOC_DAPM_SPK("Speaker", NULL
),
60 SND_SOC_DAPM_MIC("Headset Mic", NULL
),
61 SND_SOC_DAPM_MIC("Local DMICs", NULL
),
62 SND_SOC_DAPM_MIC("Remote DMICs", NULL
),
65 static const struct snd_soc_dapm_route bdw_rt5677_map
[] = {
67 {"Speaker", NULL
, "PDM1L"},
68 {"Speaker", NULL
, "PDM1R"},
70 /* Headset jack connectors */
71 {"Headphone", NULL
, "LOUT1"},
72 {"Headphone", NULL
, "LOUT2"},
73 {"IN1P", NULL
, "Headset Mic"},
74 {"IN1N", NULL
, "Headset Mic"},
77 * Local DMICs: the two DMICs on the mainboard
78 * Remote DMICs: the two DMICs on the camera module
80 {"DMIC L1", NULL
, "Remote DMICs"},
81 {"DMIC R1", NULL
, "Remote DMICs"},
82 {"DMIC L2", NULL
, "Local DMICs"},
83 {"DMIC R2", NULL
, "Local DMICs"},
85 /* CODEC BE connections */
86 {"SSP0 CODEC IN", NULL
, "AIF1 Capture"},
87 {"AIF1 Playback", NULL
, "SSP0 CODEC OUT"},
90 static const struct snd_kcontrol_new bdw_rt5677_controls
[] = {
91 SOC_DAPM_PIN_SWITCH("Speaker"),
92 SOC_DAPM_PIN_SWITCH("Headphone"),
93 SOC_DAPM_PIN_SWITCH("Headset Mic"),
94 SOC_DAPM_PIN_SWITCH("Local DMICs"),
95 SOC_DAPM_PIN_SWITCH("Remote DMICs"),
99 static struct snd_soc_jack headphone_jack
;
100 static struct snd_soc_jack mic_jack
;
102 static struct snd_soc_jack_pin headphone_jack_pin
= {
104 .mask
= SND_JACK_HEADPHONE
,
107 static struct snd_soc_jack_pin mic_jack_pin
= {
108 .pin
= "Headset Mic",
109 .mask
= SND_JACK_MICROPHONE
,
112 static struct snd_soc_jack_gpio headphone_jack_gpio
= {
114 .report
= SND_JACK_HEADPHONE
,
115 .debounce_time
= 200,
118 static struct snd_soc_jack_gpio mic_jack_gpio
= {
119 .name
= "mic-present",
120 .report
= SND_JACK_MICROPHONE
,
121 .debounce_time
= 200,
125 /* GPIO indexes defined by ACPI */
127 RT5677_GPIO_PLUG_DET
= 0,
128 RT5677_GPIO_MIC_PRESENT_L
= 1,
129 RT5677_GPIO_HOTWORD_DET_L
= 2,
130 RT5677_GPIO_DSP_INT
= 3,
131 RT5677_GPIO_HP_AMP_SHDN_L
= 4,
134 static const struct acpi_gpio_params plug_det_gpio
= { RT5677_GPIO_PLUG_DET
, 0, false };
135 static const struct acpi_gpio_params mic_present_gpio
= { RT5677_GPIO_MIC_PRESENT_L
, 0, false };
136 static const struct acpi_gpio_params headphone_enable_gpio
= { RT5677_GPIO_HP_AMP_SHDN_L
, 0, false };
138 static const struct acpi_gpio_mapping bdw_rt5677_gpios
[] = {
139 { "plug-det-gpios", &plug_det_gpio
, 1 },
140 { "mic-present-gpios", &mic_present_gpio
, 1 },
141 { "headphone-enable-gpios", &headphone_enable_gpio
, 1 },
145 static int broadwell_ssp0_fixup(struct snd_soc_pcm_runtime
*rtd
,
146 struct snd_pcm_hw_params
*params
)
148 struct snd_interval
*rate
= hw_param_interval(params
,
149 SNDRV_PCM_HW_PARAM_RATE
);
150 struct snd_interval
*channels
= hw_param_interval(params
,
151 SNDRV_PCM_HW_PARAM_CHANNELS
);
153 /* The ADSP will covert the FE rate to 48k, stereo */
154 rate
->min
= rate
->max
= 48000;
155 channels
->min
= channels
->max
= 2;
157 /* set SSP0 to 16 bit */
158 params_set_format(params
, SNDRV_PCM_FORMAT_S16_LE
);
162 static int bdw_rt5677_hw_params(struct snd_pcm_substream
*substream
,
163 struct snd_pcm_hw_params
*params
)
165 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
166 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
169 ret
= snd_soc_dai_set_sysclk(codec_dai
, RT5677_SCLK_S_MCLK
, 24576000,
172 dev_err(rtd
->dev
, "can't set codec sysclk configuration\n");
179 static const struct snd_soc_ops bdw_rt5677_ops
= {
180 .hw_params
= bdw_rt5677_hw_params
,
183 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
184 static int bdw_rt5677_rtd_init(struct snd_soc_pcm_runtime
*rtd
)
186 struct snd_soc_component
*component
= snd_soc_rtdcom_lookup(rtd
, DRV_NAME
);
187 struct sst_pdata
*pdata
= dev_get_platdata(component
->dev
);
188 struct sst_hsw
*broadwell
= pdata
->dsp
;
191 /* Set ADSP SSP port settings */
192 ret
= sst_hsw_device_set_config(broadwell
, SST_HSW_DEVICE_SSP_0
,
193 SST_HSW_DEVICE_MCLK_FREQ_24_MHZ
,
194 SST_HSW_DEVICE_CLOCK_MASTER
, 9);
196 dev_err(rtd
->dev
, "error: failed to set device config\n");
204 static int bdw_rt5677_init(struct snd_soc_pcm_runtime
*rtd
)
206 struct bdw_rt5677_priv
*bdw_rt5677
=
207 snd_soc_card_get_drvdata(rtd
->card
);
208 struct snd_soc_component
*component
= rtd
->codec_dai
->component
;
209 struct snd_soc_dapm_context
*dapm
= snd_soc_component_get_dapm(component
);
212 ret
= devm_acpi_dev_add_driver_gpios(component
->dev
, bdw_rt5677_gpios
);
214 dev_warn(component
->dev
, "Failed to add driver gpios\n");
216 /* Enable codec ASRC function for Stereo DAC/Stereo1 ADC/DMIC/I2S1.
217 * The ASRC clock source is clk_i2s1_asrc.
219 rt5677_sel_asrc_clk_src(component
, RT5677_DA_STEREO_FILTER
|
220 RT5677_AD_STEREO1_FILTER
| RT5677_I2S1_SOURCE
,
221 RT5677_CLK_SEL_I2S1_ASRC
);
223 /* Request rt5677 GPIO for headphone amp control */
224 bdw_rt5677
->gpio_hp_en
= devm_gpiod_get(component
->dev
, "headphone-enable",
226 if (IS_ERR(bdw_rt5677
->gpio_hp_en
)) {
227 dev_err(component
->dev
, "Can't find HP_AMP_SHDN_L gpio\n");
228 return PTR_ERR(bdw_rt5677
->gpio_hp_en
);
231 /* Create and initialize headphone jack */
232 if (!snd_soc_card_jack_new(rtd
->card
, "Headphone Jack",
233 SND_JACK_HEADPHONE
, &headphone_jack
,
234 &headphone_jack_pin
, 1)) {
235 headphone_jack_gpio
.gpiod_dev
= component
->dev
;
236 if (snd_soc_jack_add_gpios(&headphone_jack
, 1,
237 &headphone_jack_gpio
))
238 dev_err(component
->dev
, "Can't add headphone jack gpio\n");
240 dev_err(component
->dev
, "Can't create headphone jack\n");
243 /* Create and initialize mic jack */
244 if (!snd_soc_card_jack_new(rtd
->card
, "Mic Jack",
245 SND_JACK_MICROPHONE
, &mic_jack
,
247 mic_jack_gpio
.gpiod_dev
= component
->dev
;
248 if (snd_soc_jack_add_gpios(&mic_jack
, 1, &mic_jack_gpio
))
249 dev_err(component
->dev
, "Can't add mic jack gpio\n");
251 dev_err(component
->dev
, "Can't create mic jack\n");
253 bdw_rt5677
->component
= component
;
255 snd_soc_dapm_force_enable_pin(dapm
, "MICBIAS1");
259 /* broadwell digital audio interface glue - connects codec <--> CPU */
260 static struct snd_soc_dai_link bdw_rt5677_dais
[] = {
261 /* Front End DAI links */
263 .name
= "System PCM",
264 .stream_name
= "System Playback/Capture",
265 .cpu_dai_name
= "System Pin",
266 .platform_name
= "haswell-pcm-audio",
268 .codec_name
= "snd-soc-dummy",
269 .codec_dai_name
= "snd-soc-dummy-dai",
270 #if !IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
271 .init
= bdw_rt5677_rtd_init
,
274 SND_SOC_DPCM_TRIGGER_POST
,
275 SND_SOC_DPCM_TRIGGER_POST
281 /* Back End DAI links */
286 .cpu_dai_name
= "snd-soc-dummy-dai",
287 .platform_name
= "snd-soc-dummy",
289 .codec_name
= "i2c-RT5677CE:00",
290 .codec_dai_name
= "rt5677-aif1",
291 .dai_fmt
= SND_SOC_DAIFMT_I2S
| SND_SOC_DAIFMT_NB_NF
|
292 SND_SOC_DAIFMT_CBS_CFS
,
294 .ignore_pmdown_time
= 1,
295 .be_hw_params_fixup
= broadwell_ssp0_fixup
,
296 .ops
= &bdw_rt5677_ops
,
299 .init
= bdw_rt5677_init
,
303 static int bdw_rt5677_suspend_pre(struct snd_soc_card
*card
)
305 struct bdw_rt5677_priv
*bdw_rt5677
= snd_soc_card_get_drvdata(card
);
306 struct snd_soc_dapm_context
*dapm
;
308 if (bdw_rt5677
->component
) {
309 dapm
= snd_soc_component_get_dapm(bdw_rt5677
->component
);
310 snd_soc_dapm_disable_pin(dapm
, "MICBIAS1");
315 static int bdw_rt5677_resume_post(struct snd_soc_card
*card
)
317 struct bdw_rt5677_priv
*bdw_rt5677
= snd_soc_card_get_drvdata(card
);
318 struct snd_soc_dapm_context
*dapm
;
320 if (bdw_rt5677
->component
) {
321 dapm
= snd_soc_component_get_dapm(bdw_rt5677
->component
);
322 snd_soc_dapm_force_enable_pin(dapm
, "MICBIAS1");
327 /* ASoC machine driver for Broadwell DSP + RT5677 */
328 static struct snd_soc_card bdw_rt5677_card
= {
329 .name
= "bdw-rt5677",
330 .owner
= THIS_MODULE
,
331 .dai_link
= bdw_rt5677_dais
,
332 .num_links
= ARRAY_SIZE(bdw_rt5677_dais
),
333 .dapm_widgets
= bdw_rt5677_widgets
,
334 .num_dapm_widgets
= ARRAY_SIZE(bdw_rt5677_widgets
),
335 .dapm_routes
= bdw_rt5677_map
,
336 .num_dapm_routes
= ARRAY_SIZE(bdw_rt5677_map
),
337 .controls
= bdw_rt5677_controls
,
338 .num_controls
= ARRAY_SIZE(bdw_rt5677_controls
),
339 .fully_routed
= true,
340 .suspend_pre
= bdw_rt5677_suspend_pre
,
341 .resume_post
= bdw_rt5677_resume_post
,
344 static int bdw_rt5677_probe(struct platform_device
*pdev
)
346 struct bdw_rt5677_priv
*bdw_rt5677
;
347 struct snd_soc_acpi_mach
*mach
;
348 const char *platform_name
= NULL
;
351 bdw_rt5677_card
.dev
= &pdev
->dev
;
353 /* Allocate driver private struct */
354 bdw_rt5677
= devm_kzalloc(&pdev
->dev
, sizeof(struct bdw_rt5677_priv
),
357 dev_err(&pdev
->dev
, "Can't allocate bdw_rt5677\n");
361 /* override plaform name, if required */
362 mach
= (&pdev
->dev
)->platform_data
;
363 if (mach
) /* extra check since legacy does not pass parameters */
364 platform_name
= mach
->mach_params
.platform
;
366 ret
= snd_soc_fixup_dai_links_platform_name(&bdw_rt5677_card
,
371 snd_soc_card_set_drvdata(&bdw_rt5677_card
, bdw_rt5677
);
373 return devm_snd_soc_register_card(&pdev
->dev
, &bdw_rt5677_card
);
376 static struct platform_driver bdw_rt5677_audio
= {
377 .probe
= bdw_rt5677_probe
,
379 .name
= "bdw-rt5677",
383 module_platform_driver(bdw_rt5677_audio
)
385 /* Module information */
386 MODULE_AUTHOR("Ben Zhang");
387 MODULE_DESCRIPTION("Intel Broadwell RT5677 machine driver");
388 MODULE_LICENSE("GPL v2");
389 MODULE_ALIAS("platform:bdw-rt5677");