1 /* 2 * Intel Skylake I2S Machine Driver 3 * 4 * Copyright (C) 2014-2015, Intel Corporation. All rights reserved. 5 * 6 * Modified from: 7 * Intel Broadwell Wildcatpoint SST Audio 8 * 9 * Copyright (C) 2013, Intel Corporation. All rights reserved. 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License version 13 * 2 as published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 */ 20 21 #include <linux/module.h> 22 #include <linux/platform_device.h> 23 #include <sound/core.h> 24 #include <sound/pcm.h> 25 #include <sound/soc.h> 26 #include <sound/jack.h> 27 #include <sound/pcm_params.h> 28 #include "../../codecs/rt286.h" 29 30 static struct snd_soc_jack skylake_headset; 31 /* Headset jack detection DAPM pins */ 32 static struct snd_soc_jack_pin skylake_headset_pins[] = { 33 { 34 .pin = "Mic Jack", 35 .mask = SND_JACK_MICROPHONE, 36 }, 37 { 38 .pin = "Headphone Jack", 39 .mask = SND_JACK_HEADPHONE, 40 }, 41 }; 42 43 static const struct snd_kcontrol_new skylake_controls[] = { 44 SOC_DAPM_PIN_SWITCH("Speaker"), 45 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 46 SOC_DAPM_PIN_SWITCH("Mic Jack"), 47 }; 48 49 static const struct snd_soc_dapm_widget skylake_widgets[] = { 50 SND_SOC_DAPM_HP("Headphone Jack", NULL), 51 SND_SOC_DAPM_SPK("Speaker", NULL), 52 SND_SOC_DAPM_MIC("Mic Jack", NULL), 53 SND_SOC_DAPM_MIC("DMIC2", NULL), 54 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 55 }; 56 57 static const struct snd_soc_dapm_route skylake_rt286_map[] = { 58 /* speaker */ 59 {"Speaker", NULL, "SPOR"}, 60 {"Speaker", NULL, "SPOL"}, 61 62 /* HP jack connectors - unknown if we have jack deteck */ 63 {"Headphone Jack", NULL, "HPO Pin"}, 64 65 /* other jacks */ 66 {"MIC1", NULL, "Mic Jack"}, 67 68 /* digital mics */ 69 {"DMIC1 Pin", NULL, "DMIC2"}, 70 {"DMIC AIF", NULL, "SoC DMIC"}, 71 72 /* CODEC BE connections */ 73 { "AIF1 Playback", NULL, "ssp0 Tx"}, 74 { "ssp0 Tx", NULL, "codec0_out"}, 75 { "ssp0 Tx", NULL, "codec1_out"}, 76 77 { "codec0_in", NULL, "ssp0 Rx" }, 78 { "codec1_in", NULL, "ssp0 Rx" }, 79 { "ssp0 Rx", NULL, "AIF1 Capture" }, 80 81 { "dmic01_hifi", NULL, "DMIC01 Rx" }, 82 { "DMIC01 Rx", NULL, "Capture" }, 83 84 { "hif1", NULL, "iDisp Tx"}, 85 { "iDisp Tx", NULL, "iDisp_out"}, 86 87 }; 88 89 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd) 90 { 91 struct snd_soc_codec *codec = rtd->codec; 92 int ret; 93 94 ret = snd_soc_card_jack_new(rtd->card, "Headset", 95 SND_JACK_HEADSET | SND_JACK_BTN_0, 96 &skylake_headset, 97 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins)); 98 99 if (ret) 100 return ret; 101 102 rt286_mic_detect(codec, &skylake_headset); 103 104 return 0; 105 } 106 107 108 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd, 109 struct snd_pcm_hw_params *params) 110 { 111 struct snd_interval *rate = hw_param_interval(params, 112 SNDRV_PCM_HW_PARAM_RATE); 113 struct snd_interval *channels = hw_param_interval(params, 114 SNDRV_PCM_HW_PARAM_CHANNELS); 115 116 /* The output is 48KHz, stereo, 16bits */ 117 rate->min = rate->max = 48000; 118 channels->min = channels->max = 2; 119 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); 120 121 return 0; 122 } 123 124 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream, 125 struct snd_pcm_hw_params *params) 126 { 127 struct snd_soc_pcm_runtime *rtd = substream->private_data; 128 struct snd_soc_dai *codec_dai = rtd->codec_dai; 129 int ret; 130 131 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000, 132 SND_SOC_CLOCK_IN); 133 if (ret < 0) 134 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret); 135 136 return ret; 137 } 138 139 static struct snd_soc_ops skylake_rt286_ops = { 140 .hw_params = skylake_rt286_hw_params, 141 }; 142 143 /* skylake digital audio interface glue - connects codec <--> CPU */ 144 static struct snd_soc_dai_link skylake_rt286_dais[] = { 145 /* Front End DAI links */ 146 { 147 .name = "Skl Audio Port", 148 .stream_name = "Audio", 149 .cpu_dai_name = "System Pin", 150 .platform_name = "0000:00:1f.3", 151 .nonatomic = 1, 152 .dynamic = 1, 153 .codec_name = "snd-soc-dummy", 154 .codec_dai_name = "snd-soc-dummy-dai", 155 .trigger = { 156 SND_SOC_DPCM_TRIGGER_POST, 157 SND_SOC_DPCM_TRIGGER_POST 158 }, 159 .dpcm_playback = 1, 160 }, 161 { 162 .name = "Skl Audio Capture Port", 163 .stream_name = "Audio Record", 164 .cpu_dai_name = "System Pin", 165 .platform_name = "0000:00:1f.3", 166 .nonatomic = 1, 167 .dynamic = 1, 168 .codec_name = "snd-soc-dummy", 169 .codec_dai_name = "snd-soc-dummy-dai", 170 .trigger = { 171 SND_SOC_DPCM_TRIGGER_POST, 172 SND_SOC_DPCM_TRIGGER_POST 173 }, 174 .dpcm_capture = 1, 175 }, 176 { 177 .name = "Skl Audio Reference cap", 178 .stream_name = "refcap", 179 .cpu_dai_name = "Reference Pin", 180 .codec_name = "snd-soc-dummy", 181 .codec_dai_name = "snd-soc-dummy-dai", 182 .platform_name = "0000:00:1f.3", 183 .init = NULL, 184 .dpcm_capture = 1, 185 .ignore_suspend = 1, 186 .nonatomic = 1, 187 .dynamic = 1, 188 }, 189 190 /* Back End DAI links */ 191 { 192 /* SSP0 - Codec */ 193 .name = "SSP0-Codec", 194 .be_id = 0, 195 .cpu_dai_name = "SSP0 Pin", 196 .platform_name = "0000:00:1f.3", 197 .no_pcm = 1, 198 .codec_name = "i2c-INT343A:00", 199 .codec_dai_name = "rt286-aif1", 200 .init = skylake_rt286_codec_init, 201 .dai_fmt = SND_SOC_DAIFMT_I2S | 202 SND_SOC_DAIFMT_NB_NF | 203 SND_SOC_DAIFMT_CBS_CFS, 204 .ignore_suspend = 1, 205 .ignore_pmdown_time = 1, 206 .be_hw_params_fixup = skylake_ssp0_fixup, 207 .ops = &skylake_rt286_ops, 208 .dpcm_playback = 1, 209 .dpcm_capture = 1, 210 }, 211 { 212 .name = "dmic01", 213 .be_id = 1, 214 .cpu_dai_name = "DMIC01 Pin", 215 .codec_name = "dmic-codec", 216 .codec_dai_name = "dmic-hifi", 217 .platform_name = "0000:00:1f.3", 218 .ignore_suspend = 1, 219 .dpcm_capture = 1, 220 .no_pcm = 1, 221 }, 222 }; 223 224 /* skylake audio machine driver for SPT + RT286S */ 225 static struct snd_soc_card skylake_rt286 = { 226 .name = "skylake-rt286", 227 .owner = THIS_MODULE, 228 .dai_link = skylake_rt286_dais, 229 .num_links = ARRAY_SIZE(skylake_rt286_dais), 230 .controls = skylake_controls, 231 .num_controls = ARRAY_SIZE(skylake_controls), 232 .dapm_widgets = skylake_widgets, 233 .num_dapm_widgets = ARRAY_SIZE(skylake_widgets), 234 .dapm_routes = skylake_rt286_map, 235 .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map), 236 .fully_routed = true, 237 }; 238 239 static int skylake_audio_probe(struct platform_device *pdev) 240 { 241 skylake_rt286.dev = &pdev->dev; 242 243 return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286); 244 } 245 246 static struct platform_driver skylake_audio = { 247 .probe = skylake_audio_probe, 248 .driver = { 249 .name = "skl_alc286s_i2s", 250 }, 251 }; 252 253 module_platform_driver(skylake_audio) 254 255 /* Module information */ 256 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>"); 257 MODULE_DESCRIPTION("Intel SST Audio for Skylake"); 258 MODULE_LICENSE("GPL v2"); 259 MODULE_ALIAS("platform:skl_alc286s_i2s"); 260