diff options
Diffstat (limited to 'sound/soc/intel/boards/skl_hda_dsp_generic.c')
| -rw-r--r-- | sound/soc/intel/boards/skl_hda_dsp_generic.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/skl_hda_dsp_generic.c b/sound/soc/intel/boards/skl_hda_dsp_generic.c new file mode 100644 index 000000000000..b415dd4c85f5 --- /dev/null +++ b/sound/soc/intel/boards/skl_hda_dsp_generic.c @@ -0,0 +1,183 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright(c) 2015-18 Intel Corporation. + +/* + * Machine Driver for SKL+ platforms with DSP and iDisp, HDA Codecs + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/jack.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include "../../codecs/hdac_hdmi.h" +#include "../skylake/skl.h" +#include "skl_hda_dsp_common.h" + +static const struct snd_soc_dapm_widget skl_hda_widgets[] = { + SND_SOC_DAPM_HP("Analog Out", NULL), + SND_SOC_DAPM_MIC("Analog In", NULL), + SND_SOC_DAPM_HP("Alt Analog Out", NULL), + SND_SOC_DAPM_MIC("Alt Analog In", NULL), + SND_SOC_DAPM_SPK("Digital Out", NULL), + SND_SOC_DAPM_MIC("Digital In", NULL), +}; + +static const struct snd_soc_dapm_route skl_hda_map[] = { + { "hifi3", NULL, "iDisp3 Tx"}, + { "iDisp3 Tx", NULL, "iDisp3_out"}, + { "hifi2", NULL, "iDisp2 Tx"}, + { "iDisp2 Tx", NULL, "iDisp2_out"}, + { "hifi1", NULL, "iDisp1 Tx"}, + { "iDisp1 Tx", NULL, "iDisp1_out"}, + + { "Analog Out", NULL, "Codec Output Pin1" }, + { "Digital Out", NULL, "Codec Output Pin2" }, + { "Alt Analog Out", NULL, "Codec Output Pin3" }, + + { "Codec Input Pin1", NULL, "Analog In" }, + { "Codec Input Pin2", NULL, "Digital In" }, + { "Codec Input Pin3", NULL, "Alt Analog In" }, + + /* CODEC BE connections */ + { "Analog Codec Playback", NULL, "Analog CPU Playback" }, + { "Analog CPU Playback", NULL, "codec0_out" }, + { "Digital Codec Playback", NULL, "Digital CPU Playback" }, + { "Digital CPU Playback", NULL, "codec1_out" }, + { "Alt Analog Codec Playback", NULL, "Alt Analog CPU Playback" }, + { "Alt Analog CPU Playback", NULL, "codec2_out" }, + + { "codec0_in", NULL, "Analog CPU Capture" }, + { "Analog CPU Capture", NULL, "Analog Codec Capture" }, + { "codec1_in", NULL, "Digital CPU Capture" }, + { "Digital CPU Capture", NULL, "Digital Codec Capture" }, + { "codec2_in", NULL, "Alt Analog CPU Capture" }, + { "Alt Analog CPU Capture", NULL, "Alt Analog Codec Capture" }, +}; + +static int skl_hda_card_late_probe(struct snd_soc_card *card) +{ + return skl_hda_hdmi_jack_init(card); +} + +static int +skl_hda_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link) +{ + struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card); + int ret = 0; + + dev_dbg(card->dev, "%s: dai link name - %s\n", __func__, link->name); + link->platform_name = ctx->platform_name; + link->nonatomic = 1; + + if (strstr(link->name, "HDMI")) { + ret = skl_hda_hdmi_add_pcm(card, ctx->pcm_count); + + if (ret < 0) + return ret; + + ctx->dai_index++; + } + + ctx->pcm_count++; + return ret; +} + +static struct snd_soc_card hda_soc_card = { + .name = "skl_hda_card", + .owner = THIS_MODULE, + .dai_link = skl_hda_be_dai_links, + .dapm_widgets = skl_hda_widgets, + .dapm_routes = skl_hda_map, + .add_dai_link = skl_hda_add_dai_link, + .fully_routed = true, + .late_probe = skl_hda_card_late_probe, +}; + +#define IDISP_DAI_COUNT 3 +/* there are two routes per iDisp output */ +#define IDISP_ROUTE_COUNT (IDISP_DAI_COUNT * 2) +#define IDISP_CODEC_MASK 0x4 + +static int skl_hda_fill_card_info(struct skl_machine_pdata *pdata) +{ + struct snd_soc_card *card = &hda_soc_card; + struct snd_soc_dai_link *dai_link; + u32 codec_count, codec_mask; + int i, num_links, num_route; + + codec_mask = pdata->codec_mask; + codec_count = hweight_long(codec_mask); + + if (codec_count == 1 && pdata->codec_mask & IDISP_CODEC_MASK) { + num_links = IDISP_DAI_COUNT; + num_route = IDISP_ROUTE_COUNT; + } else if (codec_count == 2 && codec_mask & IDISP_CODEC_MASK) { + num_links = ARRAY_SIZE(skl_hda_be_dai_links); + num_route = ARRAY_SIZE(skl_hda_map), + card->dapm_widgets = skl_hda_widgets; + card->num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets); + } else { + return -EINVAL; + } + + card->num_links = num_links; + card->num_dapm_routes = num_route; + + for_each_card_prelinks(card, i, dai_link) + dai_link->platform_name = pdata->platform; + + return 0; +} + +static int skl_hda_audio_probe(struct platform_device *pdev) +{ + struct skl_machine_pdata *pdata; + struct skl_hda_private *ctx; + int ret; + + dev_dbg(&pdev->dev, "%s: entry\n", __func__); + + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC); + if (!ctx) + return -ENOMEM; + + INIT_LIST_HEAD(&ctx->hdmi_pcm_list); + + pdata = dev_get_drvdata(&pdev->dev); + if (!pdata) + return -EINVAL; + + ret = skl_hda_fill_card_info(pdata); + if (ret < 0) { + dev_err(&pdev->dev, "Unsupported HDAudio/iDisp configuration found\n"); + return ret; + } + + ctx->pcm_count = hda_soc_card.num_links; + ctx->dai_index = 1; /* hdmi codec dai name starts from index 1 */ + ctx->platform_name = pdata->platform; + + hda_soc_card.dev = &pdev->dev; + snd_soc_card_set_drvdata(&hda_soc_card, ctx); + + return devm_snd_soc_register_card(&pdev->dev, &hda_soc_card); +} + +static struct platform_driver skl_hda_audio = { + .probe = skl_hda_audio_probe, + .driver = { + .name = "skl_hda_dsp_generic", + .pm = &snd_soc_pm_ops, + }, +}; + +module_platform_driver(skl_hda_audio) + +/* Module information */ +MODULE_DESCRIPTION("SKL/KBL/BXT/APL HDA Generic Machine driver"); +MODULE_AUTHOR("Rakesh Ughreja <rakesh.a.ughreja@intel.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:skl_hda_dsp_generic"); 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