264 lines
7.2 KiB
C
264 lines
7.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Sound card driver for Intel Broadwell Wildcat Point with Realtek 286
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*
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* Copyright (C) 2013, Intel Corporation. All rights reserved.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/jack.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include "../../codecs/rt286.h"
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static struct snd_soc_jack card_headset;
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static struct snd_soc_jack_pin card_headset_pins[] = {
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{
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.pin = "Mic Jack",
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.mask = SND_JACK_MICROPHONE,
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},
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{
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.pin = "Headphone Jack",
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.mask = SND_JACK_HEADPHONE,
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},
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};
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static const struct snd_kcontrol_new card_controls[] = {
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SOC_DAPM_PIN_SWITCH("Speaker"),
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SOC_DAPM_PIN_SWITCH("Headphone Jack"),
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};
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static const struct snd_soc_dapm_widget card_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_SPK("Speaker", NULL),
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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SND_SOC_DAPM_MIC("DMIC1", NULL),
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SND_SOC_DAPM_MIC("DMIC2", NULL),
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SND_SOC_DAPM_LINE("Line Jack", NULL),
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};
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static const struct snd_soc_dapm_route card_routes[] = {
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{"Speaker", NULL, "SPOR"},
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{"Speaker", NULL, "SPOL"},
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{"Headphone Jack", NULL, "HPO Pin"},
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{"MIC1", NULL, "Mic Jack"},
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{"LINE1", NULL, "Line Jack"},
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{"DMIC1 Pin", NULL, "DMIC1"},
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{"DMIC2 Pin", NULL, "DMIC2"},
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/* CODEC BE connections */
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{"SSP0 CODEC IN", NULL, "AIF1 Capture"},
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{"AIF1 Playback", NULL, "SSP0 CODEC OUT"},
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};
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static int codec_link_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
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int ret;
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ret = snd_soc_card_jack_new_pins(rtd->card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,
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&card_headset, card_headset_pins,
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ARRAY_SIZE(card_headset_pins));
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if (ret)
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return ret;
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return snd_soc_component_set_jack(codec, &card_headset, NULL);
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}
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static void codec_link_exit(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component;
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snd_soc_component_set_jack(codec, NULL, NULL);
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}
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static int codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params)
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{
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struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
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struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
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/* The ADSP will convert the FE rate to 48kHz, stereo. */
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rate->min = rate->max = 48000;
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channels->min = channels->max = 2;
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/* Set SSP0 to 16 bit. */
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params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
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return 0;
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}
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static int codec_link_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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int ret;
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ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);
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if (ret < 0) {
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dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
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return ret;
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}
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return ret;
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}
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static const struct snd_soc_ops codec_link_ops = {
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.hw_params = codec_link_hw_params,
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};
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SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
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SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));
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SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));
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SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));
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SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
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SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));
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SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
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SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
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static struct snd_soc_dai_link card_dai_links[] = {
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/* Front End DAI links */
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{
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.name = "System PCM",
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.stream_name = "System Playback/Capture",
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.nonatomic = 1,
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.dynamic = 1,
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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SND_SOC_DAILINK_REG(system, dummy, platform),
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},
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{
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.name = "Offload0",
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.stream_name = "Offload0 Playback",
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.nonatomic = 1,
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.dynamic = 1,
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_playback = 1,
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SND_SOC_DAILINK_REG(offload0, dummy, platform),
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},
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{
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.name = "Offload1",
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.stream_name = "Offload1 Playback",
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.nonatomic = 1,
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.dynamic = 1,
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_playback = 1,
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SND_SOC_DAILINK_REG(offload1, dummy, platform),
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},
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{
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.name = "Loopback PCM",
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.stream_name = "Loopback",
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.nonatomic = 1,
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.dynamic = 1,
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.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
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.dpcm_capture = 1,
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SND_SOC_DAILINK_REG(loopback, dummy, platform),
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},
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/* Back End DAI links */
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{
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/* SSP0 - Codec */
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.name = "Codec",
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.id = 0,
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.nonatomic = 1,
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.no_pcm = 1,
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.init = codec_link_init,
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.exit = codec_link_exit,
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.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC,
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.ignore_pmdown_time = 1,
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.be_hw_params_fixup = codec_link_hw_params_fixup,
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.ops = &codec_link_ops,
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
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},
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};
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static int card_suspend_pre(struct snd_soc_card *card)
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{
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struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
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if (!codec_dai)
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return 0;
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return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);
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}
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static int card_resume_post(struct snd_soc_card *card)
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{
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struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");
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if (!codec_dai)
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return 0;
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return snd_soc_component_set_jack(codec_dai->component, &card_headset, NULL);
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}
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static struct snd_soc_card bdw_rt286_card = {
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.owner = THIS_MODULE,
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.suspend_pre = card_suspend_pre,
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.resume_post = card_resume_post,
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.dai_link = card_dai_links,
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.num_links = ARRAY_SIZE(card_dai_links),
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.controls = card_controls,
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.num_controls = ARRAY_SIZE(card_controls),
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.dapm_widgets = card_widgets,
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.num_dapm_widgets = ARRAY_SIZE(card_widgets),
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.dapm_routes = card_routes,
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.num_dapm_routes = ARRAY_SIZE(card_routes),
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.fully_routed = true,
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};
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/* Use space before codec name to simplify card ID, and simplify driver name. */
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#define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */
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#define SOF_DRIVER_NAME "SOF"
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#define CARD_NAME "broadwell-rt286"
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static int bdw_rt286_probe(struct platform_device *pdev)
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{
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struct snd_soc_acpi_mach *mach;
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struct device *dev = &pdev->dev;
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int ret;
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bdw_rt286_card.dev = dev;
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mach = dev_get_platdata(dev);
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ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt286_card, mach->mach_params.platform);
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if (ret)
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return ret;
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if (snd_soc_acpi_sof_parent(dev)) {
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bdw_rt286_card.name = SOF_CARD_NAME;
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bdw_rt286_card.driver_name = SOF_DRIVER_NAME;
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} else {
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bdw_rt286_card.name = CARD_NAME;
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}
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return devm_snd_soc_register_card(dev, &bdw_rt286_card);
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}
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static struct platform_driver bdw_rt286_driver = {
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.probe = bdw_rt286_probe,
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.driver = {
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.name = "bdw_rt286",
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.pm = &snd_soc_pm_ops
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},
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};
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module_platform_driver(bdw_rt286_driver)
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MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");
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MODULE_DESCRIPTION("Sound card driver for Intel Broadwell Wildcat Point with Realtek 286");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:bdw_rt286");
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