| // 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 <sound/soc-acpi.h> |
| #include "../../codecs/hdac_hdmi.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->platforms->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 |
| #define HDAC_DAI_COUNT 2 |
| #define DMIC_DAI_COUNT 2 |
| |
| /* 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 snd_soc_acpi_mach_params *mach_params) |
| { |
| 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 = mach_params->codec_mask; |
| codec_count = hweight_long(codec_mask); |
| |
| if (codec_count == 1 && codec_mask & IDISP_CODEC_MASK) { |
| num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT; |
| num_route = IDISP_ROUTE_COUNT; |
| |
| /* |
| * rearrange the dai link array and make the |
| * dmic dai links follow idsp dai links for only |
| * num_links of dai links need to be registered |
| * to ASoC. |
| */ |
| for (i = 0; i < DMIC_DAI_COUNT; i++) { |
| skl_hda_be_dai_links[IDISP_DAI_COUNT + i] = |
| skl_hda_be_dai_links[IDISP_DAI_COUNT + |
| HDAC_DAI_COUNT + i]; |
| } |
| } 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->platforms->name = mach_params->platform; |
| |
| return 0; |
| } |
| |
| static int skl_hda_audio_probe(struct platform_device *pdev) |
| { |
| struct snd_soc_acpi_mach *mach; |
| struct skl_hda_private *ctx; |
| int ret; |
| |
| dev_dbg(&pdev->dev, "%s: entry\n", __func__); |
| |
| ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); |
| if (!ctx) |
| return -ENOMEM; |
| |
| INIT_LIST_HEAD(&ctx->hdmi_pcm_list); |
| |
| mach = (&pdev->dev)->platform_data; |
| if (!mach) |
| return -EINVAL; |
| |
| ret = skl_hda_fill_card_info(&mach->mach_params); |
| 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 = mach->mach_params.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"); |