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authorJani Nikula <jani.nikula@intel.com>2017-09-28 15:56:49 +0300
committerJani Nikula <jani.nikula@intel.com>2017-09-28 15:56:49 +0300
commit32f35b863451884e856f0f577474740561a87fad (patch)
tree2d1d55c7e2d23e27197bf84246c5f23070eb0fce /drivers/rpmsg/qcom_glink_native.h
parentae7617f0ef1820be033eef93859a6bb6174a843f (diff)
parent754270c7c56292e97d0eff924a5d5d83f92add07 (diff)
downloadlinux-32f35b863451884e856f0f577474740561a87fad.tar.xz
Merge drm-upstream/drm-next into drm-intel-next-queued
Need MST sideband message transaction to power up/down nodes. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/rpmsg/qcom_glink_native.h')
-rw-r--r--drivers/rpmsg/qcom_glink_native.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/rpmsg/qcom_glink_native.h b/drivers/rpmsg/qcom_glink_native.h
new file mode 100644
index 000000000000..0cae8a8199f8
--- /dev/null
+++ b/drivers/rpmsg/qcom_glink_native.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2016-2017, Linaro Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __QCOM_GLINK_NATIVE_H__
+#define __QCOM_GLINK_NATIVE_H__
+
+#define GLINK_FEATURE_INTENT_REUSE BIT(0)
+#define GLINK_FEATURE_MIGRATION BIT(1)
+#define GLINK_FEATURE_TRACER_PKT BIT(2)
+
+struct qcom_glink_pipe {
+ size_t length;
+
+ size_t (*avail)(struct qcom_glink_pipe *glink_pipe);
+
+ void (*peak)(struct qcom_glink_pipe *glink_pipe, void *data,
+ unsigned int offset, size_t count);
+ void (*advance)(struct qcom_glink_pipe *glink_pipe, size_t count);
+
+ void (*write)(struct qcom_glink_pipe *glink_pipe,
+ const void *hdr, size_t hlen,
+ const void *data, size_t dlen);
+};
+
+struct qcom_glink;
+
+struct qcom_glink *qcom_glink_native_probe(struct device *dev,
+ unsigned long features,
+ struct qcom_glink_pipe *rx,
+ struct qcom_glink_pipe *tx,
+ bool intentless);
+void qcom_glink_native_remove(struct qcom_glink *glink);
+
+void qcom_glink_native_unregister(struct qcom_glink *glink);
+#endif