1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Sound card driver for Intel Broadwell Wildcat Point with Realtek 286 4 * 5 * Copyright (C) 2013, Intel Corporation. All rights reserved. 6 */ 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 18 static struct snd_soc_jack card_headset; 19 20 static 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 31 static const struct snd_kcontrol_new card_controls[] = { 32 SOC_DAPM_PIN_SWITCH("Speaker"), 33 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 34 }; 35 36 static 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 45 static 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 62 static int codec_link_init(struct snd_soc_pcm_runtime *rtd) 63 { 64 struct snd_soc_component *codec = asoc_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 76 static void codec_link_exit(struct snd_soc_pcm_runtime *rtd) 77 { 78 struct snd_soc_component *codec = asoc_rtd_to_codec(rtd, 0)->component; 79 80 snd_soc_component_set_jack(codec, NULL, NULL); 81 } 82 83 static 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 98 static 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 = asoc_substream_to_rtd(substream); 102 struct snd_soc_dai *codec_dai = asoc_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 } 113 114 static const struct snd_soc_ops codec_link_ops = { 115 .hw_params = codec_link_hw_params, 116 }; 117 118 SND_SOC_DAILINK_DEF(system, DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); 119 SND_SOC_DAILINK_DEF(offload0, DAILINK_COMP_ARRAY(COMP_CPU("Offload0 Pin"))); 120 SND_SOC_DAILINK_DEF(offload1, DAILINK_COMP_ARRAY(COMP_CPU("Offload1 Pin"))); 121 SND_SOC_DAILINK_DEF(loopback, DAILINK_COMP_ARRAY(COMP_CPU("Loopback Pin"))); 122 123 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY())); 124 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("haswell-pcm-audio"))); 125 SND_SOC_DAILINK_DEF(codec, DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1"))); 126 SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port"))); 127 128 static 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 }; 185 186 static 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 return snd_soc_component_set_jack(codec_dai->component, NULL, NULL); 191 } 192 193 static int card_resume_post(struct snd_soc_card *card) 194 { 195 struct snd_soc_dai *codec_dai = snd_soc_card_get_codec_dai(card, "rt286-aif1"); 196 197 return snd_soc_component_set_jack(codec_dai->component, &card_headset, NULL); 198 } 199 200 static struct snd_soc_card bdw_rt286_card = { 201 .owner = THIS_MODULE, 202 .suspend_pre = card_suspend_pre, 203 .resume_post = card_resume_post, 204 .dai_link = card_dai_links, 205 .num_links = ARRAY_SIZE(card_dai_links), 206 .controls = card_controls, 207 .num_controls = ARRAY_SIZE(card_controls), 208 .dapm_widgets = card_widgets, 209 .num_dapm_widgets = ARRAY_SIZE(card_widgets), 210 .dapm_routes = card_routes, 211 .num_dapm_routes = ARRAY_SIZE(card_routes), 212 .fully_routed = true, 213 }; 214 215 /* Use space before codec name to simplify card ID, and simplify driver name. */ 216 #define SOF_CARD_NAME "bdw rt286" /* card name will be 'sof-bdw rt286' */ 217 #define SOF_DRIVER_NAME "SOF" 218 219 #define CARD_NAME "broadwell-rt286" 220 221 static int bdw_rt286_probe(struct platform_device *pdev) 222 { 223 struct snd_soc_acpi_mach *mach; 224 struct device *dev = &pdev->dev; 225 int ret; 226 227 bdw_rt286_card.dev = dev; 228 mach = dev_get_platdata(dev); 229 230 ret = snd_soc_fixup_dai_links_platform_name(&bdw_rt286_card, mach->mach_params.platform); 231 if (ret) 232 return ret; 233 234 if (snd_soc_acpi_sof_parent(dev)) { 235 bdw_rt286_card.name = SOF_CARD_NAME; 236 bdw_rt286_card.driver_name = SOF_DRIVER_NAME; 237 } else { 238 bdw_rt286_card.name = CARD_NAME; 239 } 240 241 return devm_snd_soc_register_card(dev, &bdw_rt286_card); 242 } 243 244 static struct platform_driver bdw_rt286_driver = { 245 .probe = bdw_rt286_probe, 246 .driver = { 247 .name = "bdw_rt286", 248 .pm = &snd_soc_pm_ops 249 }, 250 }; 251 252 module_platform_driver(bdw_rt286_driver) 253 254 MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); 255 MODULE_DESCRIPTION("Sound card driver for Intel Broadwell Wildcat Point with Realtek 286"); 256 MODULE_LICENSE("GPL"); 257 MODULE_ALIAS("platform:bdw_rt286"); 258