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-rw-r--r--include/drm/intel_lpe_audio.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/drm/intel_lpe_audio.h b/include/drm/intel_lpe_audio.h
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+++ b/include/drm/intel_lpe_audio.h
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+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef _INTEL_LPE_AUDIO_H_
+#define _INTEL_LPE_AUDIO_H_
+
+#include <linux/types.h>
+#include <linux/spinlock_types.h>
+
+struct platform_device;
+
+#define HDMI_MAX_ELD_BYTES 128
+
+struct intel_hdmi_lpe_audio_port_pdata {
+ u8 eld[HDMI_MAX_ELD_BYTES];
+ int port;
+ int pipe;
+ int ls_clock;
+ bool dp_output;
+};
+
+struct intel_hdmi_lpe_audio_pdata {
+ struct intel_hdmi_lpe_audio_port_pdata port[3]; /* for ports B,C,D */
+ int num_ports;
+ int num_pipes;
+
+ void (*notify_audio_lpe)(struct platform_device *pdev, int port); /* port: 0==B,1==C,2==D */
+ spinlock_t lpe_audio_slock;
+};
+
+#endif /* _I915_LPE_AUDIO_H_ */