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Diffstat (limited to 'sound/soc/intel/boards/skl_hda_dsp_generic.c')
-rw-r--r--sound/soc/intel/boards/skl_hda_dsp_generic.c183
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");