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authorMaxime Ripard <mripard@kernel.org>2019-10-03 09:59:29 +0200
committerMaxime Ripard <mripard@kernel.org>2019-10-03 09:59:29 +0200
commit77fdaa091d79c87323a9f3912a25f73e02ea2a01 (patch)
tree0e47e2d3c4a966277dbaec075f4685187fdae482 /include/linux/greybus/interface.h
parente2c4ed148cf3ec8669a1d90dc66966028e5fad70 (diff)
parent54ecb8f7028c5eb3d740bb82b0f1d90f2df63c5c (diff)
Merge drm/drm-fixes into drm-misc-fixes
We haven't backmerged for a while, let's start the -rc period by pulling rc1. Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'include/linux/greybus/interface.h')
-rw-r--r--include/linux/greybus/interface.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/include/linux/greybus/interface.h b/include/linux/greybus/interface.h
new file mode 100644
index 000000000000..ce4def881e6f
--- /dev/null
+++ b/include/linux/greybus/interface.h
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Greybus Interface Block code
+ *
+ * Copyright 2014 Google Inc.
+ * Copyright 2014 Linaro Ltd.
+ */
+
+#ifndef __INTERFACE_H
+#define __INTERFACE_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+
+enum gb_interface_type {
+ GB_INTERFACE_TYPE_INVALID = 0,
+ GB_INTERFACE_TYPE_UNKNOWN,
+ GB_INTERFACE_TYPE_DUMMY,
+ GB_INTERFACE_TYPE_UNIPRO,
+ GB_INTERFACE_TYPE_GREYBUS,
+};
+
+#define GB_INTERFACE_QUIRK_NO_CPORT_FEATURES BIT(0)
+#define GB_INTERFACE_QUIRK_NO_INIT_STATUS BIT(1)
+#define GB_INTERFACE_QUIRK_NO_GMP_IDS BIT(2)
+#define GB_INTERFACE_QUIRK_FORCED_DISABLE BIT(3)
+#define GB_INTERFACE_QUIRK_LEGACY_MODE_SWITCH BIT(4)
+#define GB_INTERFACE_QUIRK_NO_BUNDLE_ACTIVATE BIT(5)
+#define GB_INTERFACE_QUIRK_NO_PM BIT(6)
+
+struct gb_interface {
+ struct device dev;
+ struct gb_control *control;
+
+ struct list_head bundles;
+ struct list_head module_node;
+ struct list_head manifest_descs;
+ u8 interface_id; /* Physical location within the Endo */
+ u8 device_id;
+ u8 features; /* Feature flags set in the manifest */
+
+ enum gb_interface_type type;
+
+ u32 ddbl1_manufacturer_id;
+ u32 ddbl1_product_id;
+ u32 vendor_id;
+ u32 product_id;
+ u64 serial_number;
+
+ struct gb_host_device *hd;
+ struct gb_module *module;
+
+ unsigned long quirks;
+
+ struct mutex mutex;
+
+ bool disconnected;
+
+ bool ejected;
+ bool removed;
+ bool active;
+ bool enabled;
+ bool mode_switch;
+ bool dme_read;
+
+ struct work_struct mode_switch_work;
+ struct completion mode_switch_completion;
+};
+#define to_gb_interface(d) container_of(d, struct gb_interface, dev)
+
+struct gb_interface *gb_interface_create(struct gb_module *module,
+ u8 interface_id);
+int gb_interface_activate(struct gb_interface *intf);
+void gb_interface_deactivate(struct gb_interface *intf);
+int gb_interface_enable(struct gb_interface *intf);
+void gb_interface_disable(struct gb_interface *intf);
+int gb_interface_add(struct gb_interface *intf);
+void gb_interface_del(struct gb_interface *intf);
+void gb_interface_put(struct gb_interface *intf);
+void gb_interface_mailbox_event(struct gb_interface *intf, u16 result,
+ u32 mailbox);
+
+int gb_interface_request_mode_switch(struct gb_interface *intf);
+
+#endif /* __INTERFACE_H */