[spigen] add the userland ioctl API for spigen.

1 files changed, 52 insertions, 0 deletions

diff --git a/sys/sys/spigenio.h b/sys/sys/spigenio.h
new file mode 100644
index 0000000..9e3ee90
--- /dev/null
+++ b/sys/sys/spigenio.h
@@ -0,0 +1,52 @@
+/*-
+ * Copyright (c) 2000 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	$FreeBSD$
+ */
+
+#ifndef _SYS_SPIGENIO_H_
+#define _SYS_SPIGENIO_H_
+
+#include <sys/_iovec.h>
+
+struct spigen_transfer {
+	struct iovec st_command; /* master to slave */
+	struct iovec st_data;    /* slave to master and/or master to slave */
+};
+
+struct spigen_transfer_mmapped {
+	size_t stm_command_length; /* at offset 0 in mmap(2) area */
+	size_t stm_data_length;    /* at offset stm_command_length */
+};
+
+#define SPIGENIOC_BASE     'S'
+#define SPIGENIOC_TRANSFER 	   _IOW(SPIGENIOC_BASE, 0, \
+	    struct spigen_transfer)
+#define SPIGENIOC_TRANSFER_MMAPPED _IOW(SPIGENIOC_BASE, 1, \
+	    struct spigen_transfer_mmapped)
+#define SPIGENIOC_GET_CLOCK_SPEED  _IOR(SPIGENIOC_BASE, 2, uint32_t)
+#define SPIGENIOC_SET_CLOCK_SPEED  _IOW(SPIGENIOC_BASE, 3, uint32_t)
+
+#endif /* !_SYS_SPIGENIO_H_ */