264 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Sound card driver for Intel Broadwell Wildcat Point with Realtek 2864 *5 * Copyright (C) 2013, Intel Corporation6 */7 8#include <linux/module.h>9#include <linux/platform_device.h>10#include <sound/core.h>11#include <sound/jack.h>12#include <sound/pcm.h>13#include <sound/pcm_params.h>14#include <sound/soc.h>15#include <sound/soc-acpi.h>16#include "../../codecs/rt286.h"17 18static struct snd_soc_jack card_headset;19 20static struct snd_soc_jack_pin card_headset_pins[] = {21 {22 .pin = "Mic Jack",23 .mask = SND_JACK_MICROPHONE,24 },25 {26 .pin = "Headphone Jack",27 .mask = SND_JACK_HEADPHONE,28 },29};30 31static const struct snd_kcontrol_new card_controls[] = {32 SOC_DAPM_PIN_SWITCH("Speaker"),33 SOC_DAPM_PIN_SWITCH("Headphone Jack"),34};35 36static const struct snd_soc_dapm_widget card_widgets[] = {37 SND_SOC_DAPM_HP("Headphone Jack", NULL),38 SND_SOC_DAPM_SPK("Speaker", NULL),39 SND_SOC_DAPM_MIC("Mic Jack", NULL),40 SND_SOC_DAPM_MIC("DMIC1", NULL),41 SND_SOC_DAPM_MIC("DMIC2", NULL),42 SND_SOC_DAPM_LINE("Line Jack", NULL),43};44 45static const struct snd_soc_dapm_route card_routes[] = {46 {"Speaker", NULL, "SPOR"},47 {"Speaker", NULL, "SPOL"},48 49 {"Headphone Jack", NULL, "HPO Pin"},50 51 {"MIC1", NULL, "Mic Jack"},52 {"LINE1", NULL, "Line Jack"},53 54 {"DMIC1 Pin", NULL, "DMIC1"},55 {"DMIC2 Pin", NULL, "DMIC2"},56 57 /* CODEC BE connections */58 {"SSP0 CODEC IN", NULL, "AIF1 Capture"},59 {"AIF1 Playback", NULL, "SSP0 CODEC OUT"},60};61 62static int codec_link_init(struct snd_soc_pcm_runtime *rtd)63{64 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;65 int ret;66 67 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,68 &card_headset, card_headset_pins,69 ARRAY_SIZE(card_headset_pins));70 if (ret)71 return ret;72 73 return snd_soc_component_set_jack(codec, &card_headset, NULL);74}75 76static void codec_link_exit(struct snd_soc_pcm_runtime *rtd)77{78 struct snd_soc_component *codec = snd_soc_rtd_to_codec(rtd, 0)->component;79 80 snd_soc_component_set_jack(codec, NULL, NULL);81}82 83static int codec_link_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,84 struct snd_pcm_hw_params *params)85{86 struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);87 struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);88 89 /* The ADSP will convert the FE rate to 48kHz, stereo. */90 rate->min = rate->max = 48000;91 channels->min = channels->max = 2;92 /* Set SSP0 to 16 bit. */93 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);94 95 return 0;96}97 98static int codec_link_hw_params(struct snd_pcm_substream *substream,99 struct snd_pcm_hw_params *params)100{101 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);102 struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);103 int ret;104 105 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, SND_SOC_CLOCK_IN);106 if (ret < 0) {107 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);108 return ret;109 }110 111 return ret;112}113 114static const struct snd_soc_ops codec_link_ops = {115 .hw_params = codec_link_hw_params,116};117 118SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));119SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin")));120SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin")));121SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin")));122 123SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));124SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio")));125SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));126SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));127 128static struct snd_soc_dai_link card_dai_links[] = {129 /* Front End DAI links */130 {131 .name = "System PCM",132 .stream_name = "System Playback/Capture",133 .nonatomic = 1,134 .dynamic = 1,135 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},136 .dpcm_playback = 1,137 .dpcm_capture = 1,138 SND_SOC_DAILINK_REG(system, dummy, platform),139 },140 {141 .name = "Offload0",142 .stream_name = "Offload0 Playback",143 .nonatomic = 1,144 .dynamic = 1,145 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},146 .dpcm_playback = 1,147 SND_SOC_DAILINK_REG(offload0, dummy, platform),148 },149 {150 .name = "Offload1",151 .stream_name = "Offload1 Playback",152 .nonatomic = 1,153 .dynamic = 1,154 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},155 .dpcm_playback = 1,156 SND_SOC_DAILINK_REG(offload1, dummy, platform),157 },158 {159 .name = "Loopback PCM",160 .stream_name = "Loopback",161 .nonatomic = 1,162 .dynamic = 1,163 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},164 .dpcm_capture = 1,165 SND_SOC_DAILINK_REG(loopback, dummy, platform),166 },167 /* Back End DAI links */168 {169 /* SSP0 - Codec */170 .name = "Codec",171 .id = 0,172 .nonatomic = 1,173 .no_pcm = 1,174 .init = codec_link_init,175 .exit = codec_link_exit,176 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC,177 .ignore_pmdown_time = 1,178 .be_hw_params_fixup = codec_link_hw_params_fixup,179 .ops = &codec_link_ops,180 .dpcm_playback = 1,181 .dpcm_capture = 1,182 SND_SOC_DAILINK_REG(ssp0_port, codec, platform),183 },184};185 186static int card_suspend_pre(struct snd_soc_card *card)187{188 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");189 190 if (!codec_dai)191 return 0;192 193 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL);194}195 196static int card_resume_post(struct snd_soc_card *card)197{198 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1");199 200 if (!codec_dai)201 return 0;202 203 return snd_soc_component_set_jack(codec_dai->component, &card_headset, NULL);204}205 206static struct snd_soc_card bdw_rt286_card = {207 .owner = THIS_MODULE,208 .suspend_pre = card_suspend_pre,209 .resume_post = card_resume_post,210 .dai_link = card_dai_links,211 .num_links = ARRAY_SIZE(card_dai_links),212 .controls = card_controls,213 .num_controls = ARRAY_SIZE(card_controls),214 .dapm_widgets = card_widgets,215 .num_dapm_widgets = ARRAY_SIZE(card_widgets),216 .dapm_routes = card_routes,217 .num_dapm_routes = ARRAY_SIZE(card_routes),218 .fully_routed = true,219};220 221/* Use space before codec name to simplify card ID, and simplify driver name. */222#define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */223#define SOF_DRIVER_NAME "SOF"224 225#define CARD_NAME "broadwell-rt286"226 227static int bdw_rt286_probe(struct platform_device *pdev)228{229 struct snd_soc_acpi_mach *mach;230 struct device *dev = &pdev->dev;231 int ret;232 233 bdw_rt286_card.dev = dev;234 mach = dev_get_platdata(dev);235 236 ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt286_card, mach->mach_params.platform);237 if (ret)238 return ret;239 240 if (snd_soc_acpi_sof_parent(dev)) {241 bdw_rt286_card.name = SOF_CARD_NAME;242 bdw_rt286_card.driver_name = SOF_DRIVER_NAME;243 } else {244 bdw_rt286_card.name = CARD_NAME;245 }246 247 return devm_snd_soc_register_card(dev, &bdw_rt286_card);248}249 250static struct platform_driver bdw_rt286_driver = {251 .probe = bdw_rt286_probe,252 .driver = {253 .name = "bdw_rt286",254 .pm = &snd_soc_pm_ops255 },256};257 258module_platform_driver(bdw_rt286_driver)259 260MODULE_AUTHOR("Liam Girdwood, Xingchao Wang");261MODULE_DESCRIPTION("Sound card driver for Intel Broadwell Wildcat Point with Realtek 286");262MODULE_LICENSE("GPL");263MODULE_ALIAS("platform:bdw_rt286");264