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-rw-r--r--sound/soc/intel/boards/skl_hda_dsp_common.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/skl_hda_dsp_common.h b/sound/soc/intel/boards/skl_hda_dsp_common.h
new file mode 100644
index 000000000..4b0b39591
--- /dev/null
+++ b/sound/soc/intel/boards/skl_hda_dsp_common.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright(c) 2015-18 Intel Corporation.
+ */
+
+/*
+ * This file defines data structures used in Machine Driver for Intel
+ * platforms with HDA Codecs.
+ */
+
+#ifndef __SKL_HDA_DSP_COMMON_H
+#define __SKL_HDA_DSP_COMMON_H
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/hda_codec.h>
+#include "../../codecs/hdac_hda.h"
+#include "hda_dsp_common.h"
+
+#define HDA_DSP_MAX_BE_DAI_LINKS 7
+
+struct skl_hda_hdmi_pcm {
+ struct list_head head;
+ struct snd_soc_dai *codec_dai;
+ struct snd_soc_jack hdmi_jack;
+ int device;
+};
+
+struct skl_hda_private {
+ struct list_head hdmi_pcm_list;
+ int pcm_count;
+ int dai_index;
+ const char *platform_name;
+ bool common_hdmi_codec_drv;
+ bool idisp_codec;
+};
+
+extern struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS];
+int skl_hda_hdmi_jack_init(struct snd_soc_card *card);
+int skl_hda_hdmi_add_pcm(struct snd_soc_card *card, int device);
+
+/*
+ * Search card topology and register HDMI PCM related controls
+ * to codec driver.
+ */
+static inline int skl_hda_hdmi_build_controls(struct snd_soc_card *card)
+{
+ struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
+ struct snd_soc_component *component;
+ struct skl_hda_hdmi_pcm *pcm;
+
+ /* HDMI disabled, do not create controls */
+ if (list_empty(&ctx->hdmi_pcm_list))
+ return 0;
+
+ pcm = list_first_entry(&ctx->hdmi_pcm_list, struct skl_hda_hdmi_pcm,
+ head);
+ component = pcm->codec_dai->component;
+ if (!component)
+ return -EINVAL;
+
+ return hda_dsp_hdmi_build_controls(card, component);
+}
+
+#endif /* __SOUND_SOC_HDA_DSP_COMMON_H */