/* * Intel Haswell Lynxpoint SST Audio * * Copyright (C) 2013, Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ #include #include #include #include #include #include #include "sst-dsp.h" #include "sst-haswell-ipc.h" #include "../codecs/rt5640.h" /* Haswell ULT platforms have a Headphone and Mic jack */ static const struct snd_soc_dapm_widget haswell_widgets[] = { SND_SOC_DAPM_HP("Headphones", NULL), SND_SOC_DAPM_MIC("Mic", NULL), }; static const struct snd_soc_dapm_route haswell_rt5640_map[] = { {"Headphones", NULL, "HPOR"}, {"Headphones", NULL, "HPOL"}, {"IN2P", NULL, "Mic"}, /* CODEC BE connections */ {"SSP0 CODEC IN", NULL, "AIF1 Capture"}, {"AIF1 Playback", NULL, "SSP0 CODEC OUT"}, }; static int haswell_ssp0_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); /* The ADSP will covert the FE rate to 48k, stereo */ rate->min = rate->max = 48000; channels->min = channels->max = 2; /* set SSP0 to 16 bit */ snd_mask_set(¶ms->masks[SNDRV_PCM_HW_PARAM_FORMAT - SNDRV_PCM_HW_PARAM_FIRST_MASK], SNDRV_PCM_FORMAT_S16_LE); return 0; } static int haswell_rt5640_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret; /* Set codec DAI configuration */ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); if (ret < 0) { dev_err(rtd->dev, "can't set codec DAI configuration\n"); return ret; } ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_MCLK, 12288000, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(rtd->dev, "can't set codec sysclk configuration\n"); return ret; } /* set correct codec filter for DAI format and clock config */ snd_soc_update_bits(rtd->codec, 0x83, 0xffff, 0x8000); return ret; } static struct snd_soc_ops haswell_rt5640_ops = { .hw_params = haswell_rt5640_hw_params, }; static int haswell_rtd_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; struct sst_pdata *pdata = dev_get_platdata(rtd->platform->dev); struct sst_hsw *haswell = pdata->dsp; int ret; /* Set ADSP SSP port settings */ ret = sst_hsw_device_set_config(haswell, SST_HSW_DEVICE_SSP_0, SST_HSW_DEVICE_MCLK_FREQ_24_MHZ, SST_HSW_DEVICE_CLOCK_MASTER, 9); if (ret < 0) { dev_err(rtd->dev, "failed to set device config\n"); return ret; } /* always connected */ snd_soc_dapm_enable_pin(dapm, "Headphones"); snd_soc_dapm_enable_pin(dapm, "Mic"); return 0; } static struct snd_soc_dai_link haswell_rt5640_dais[] = { /* Front End DAI links */ { .name = "System", .stream_name = "System Playback", .cpu_dai_name = "System Pin", .platform_name = "haswell-pcm-audio", .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .init = haswell_rtd_init, .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, }, { .name = "Offload0", .stream_name = "Offload0 Playback", .cpu_dai_name = "Offload0 Pin", .platform_name = "haswell-pcm-audio", .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, }, { .name = "Offload1", .stream_name = "Offload1 Playback", .cpu_dai_name = "Offload1 Pin", .platform_name = "haswell-pcm-audio", .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, }, { .name = "Loopback", .stream_name = "Loopback", .cpu_dai_name = "Loopback Pin", .platform_name = "haswell-pcm-audio", .dynamic = 0, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_capture = 1, }, { .name = "Capture", .stream_name = "Capture", .cpu_dai_name = "Capture Pin", .platform_name = "haswell-pcm-audio", .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_capture = 1, }, /* Back End DAI links */ { /* SSP0 - Codec */ .name = "Codec", .be_id = 0, .cpu_dai_name = "snd-soc-dummy-dai", .platform_name = "snd-soc-dummy", .no_pcm = 1, .codec_name = "i2c-INT33CA:00", .codec_dai_name = "rt5640-aif1", .ignore_suspend = 1, .ignore_pmdown_time = 1, .be_hw_params_fixup = haswell_ssp0_fixup, .ops = &haswell_rt5640_ops, .dpcm_playback = 1, .dpcm_capture = 1, }, }; /* audio machine driver for Haswell Lynxpoint DSP + RT5640 */ static struct snd_soc_card haswell_rt5640 = { .name = "haswell-rt5640", .owner = THIS_MODULE, .dai_link = haswell_rt5640_dais, .num_links = ARRAY_SIZE(haswell_rt5640_dais), .dapm_widgets = haswell_widgets, .num_dapm_widgets = ARRAY_SIZE(haswell_widgets), .dapm_routes = haswell_rt5640_map, .num_dapm_routes = ARRAY_SIZE(haswell_rt5640_map), .fully_routed = true, }; static int haswell_audio_probe(struct platform_device *pdev) { haswell_rt5640.dev = &pdev->dev; return snd_soc_register_card(&haswell_rt5640); } static int haswell_audio_remove(struct platform_device *pdev) { snd_soc_unregister_card(&haswell_rt5640); return 0; } static struct platform_driver haswell_audio = { .probe = haswell_audio_probe, .remove = haswell_audio_remove, .driver = { .name = "haswell-audio", .owner = THIS_MODULE, }, }; module_platform_driver(haswell_audio) /* Module information */ MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); MODULE_DESCRIPTION("Intel SST Audio for Haswell Lynxpoint"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:haswell-audio");