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authorJani Nikula <jani.nikula@intel.com>2024-08-01 13:06:09 +0300
committerJani Nikula <jani.nikula@intel.com>2024-08-01 13:06:09 +0300
commit3663e2c4bc45fcdc71931fcbfcbfbf9b71f55c83 (patch)
tree3927fa90c7faa89131fcf2e789ca9de97a65dc5f /include/uapi/linux/iio
parent688c43dd6ca9e0cd0568868aefca5b041695c3f4 (diff)
parent8400291e289ee6b2bf9779ff1c83a291501f017b (diff)
Merge drm/drm-next into drm-intel-next
Sync with v6.11-rc1 in general, and specifically get the new BACKLIGHT_POWER_ constants for power states. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/uapi/linux/iio')
-rw-r--r--include/uapi/linux/iio/buffer.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/linux/iio/buffer.h b/include/uapi/linux/iio/buffer.h
index 13939032b3f6..c666aa95e532 100644
--- a/include/uapi/linux/iio/buffer.h
+++ b/include/uapi/linux/iio/buffer.h
@@ -5,6 +5,28 @@
#ifndef _UAPI_IIO_BUFFER_H_
#define _UAPI_IIO_BUFFER_H_
+#include <linux/types.h>
+
+/* Flags for iio_dmabuf.flags */
+#define IIO_BUFFER_DMABUF_CYCLIC (1 << 0)
+#define IIO_BUFFER_DMABUF_SUPPORTED_FLAGS 0x00000001
+
+/**
+ * struct iio_dmabuf - Descriptor for a single IIO DMABUF object
+ * @fd: file descriptor of the DMABUF object
+ * @flags: one or more IIO_BUFFER_DMABUF_* flags
+ * @bytes_used: number of bytes used in this DMABUF for the data transfer.
+ * Should generally be set to the DMABUF's size.
+ */
+struct iio_dmabuf {
+ __u32 fd;
+ __u32 flags;
+ __u64 bytes_used;
+};
+
#define IIO_BUFFER_GET_FD_IOCTL _IOWR('i', 0x91, int)
+#define IIO_BUFFER_DMABUF_ATTACH_IOCTL _IOW('i', 0x92, int)
+#define IIO_BUFFER_DMABUF_DETACH_IOCTL _IOW('i', 0x93, int)
+#define IIO_BUFFER_DMABUF_ENQUEUE_IOCTL _IOW('i', 0x94, struct iio_dmabuf)
#endif /* _UAPI_IIO_BUFFER_H_ */