gumstix utils: add char-driver, gpio-event, i2c and microwindows

1 files changed, 114 insertions, 0 deletions

diff --git a/packages/robostix-module/files/robostix.h b/packages/robostix-module/files/robostix.h
new file mode 100644
index 0000000000..0d860bc7a4
--- /dev/null
+++ b/packages/robostix-module/files/robostix.h
@@ -0,0 +1,114 @@
+/****************************************************************************
+*
+*   Copyright (c) 2006 Dave Hylands     <dhylands@gmail.com>
+*
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License version 2 as
+*   published by the Free Software Foundation.
+*
+*   Alternatively, this software may be distributed under the terms of BSD
+*   license.
+*
+*   See README and COPYING for more details.
+*
+****************************************************************************/
+/**
+*
+*  robostix_drv.h
+*
+*  PURPOSE:
+*
+*   This implements a driver for using the robostix from the gumstix
+*
+*   Initially, this contains the required support to emulate enough of the
+*   parallel port interface to allow avrdude to program the ATMega128.
+*
+*****************************************************************************/
+
+#if !defined( LINUX_ROBOSTIX_H )
+#define LINUX_ROBOSTIX_H )
+
+/* ---- Include Files ----------------------------------------------------- */
+
+#include <linux/ioctl.h>
+
+/* ---- Constants and Types ----------------------------------------------- */
+
+#define ROBOSTIX_MAJOR          240
+
+#define ROBOSTIX_IOCTL_MAGIC    'R'
+
+/**
+ *  Deefines for each of the commands. Note that since we want to reduce
+ *  the possibility that a user mode program gets out of sync with a given 
+ *  driver, we explicitly assign a value to each enumeration. This makes
+ *  it more difficult to stick new ioctl's in the middle of the list.
+ */
+
+typedef enum
+{
+    ROBOSTIX_CMD_FIRST          = 0x80,
+
+    ROBOSTIX_CMD_POWER_VCC5     = 0x80,
+    ROBOSTIX_CMD_RESET          = 0x81,
+    ROBOSTIX_CMD_245_ENABLE     = 0x82,
+    ROBOSTIX_CMD_SET_SCK        = 0x83,
+    ROBOSTIX_CMD_SET_SS         = 0x84,
+    ROBOSTIX_CMD_SET_IR_TXD     = 0x85,
+    ROBOSTIX_CMD_GET_IR_RXD     = 0x86,
+    ROBOSTIX_CMD_SET_MOSI       = 0x87,
+    ROBOSTIX_CMD_GET_MISO       = 0x88,
+    ROBOSTIX_CMD_GET_IRQ        = 0x89,
+    ROBOSTIX_CMD_DELAY_USEC     = 0x8A,     // value is hardocded in uisp DAPA.C
+
+    /* Insert new ioctls here                                               */
+
+    ROBOSTIX_CMD_LAST,
+
+} ROBOSTIX_CMD;
+
+/*
+ * The following are arguments to the various ioctl's
+ */
+
+#define ROBOSTIX_PIN_OFF        0
+#define ROBOSTIX_PIN_ON         1
+#define ROBOSTIX_PIN_PULSE      2   // only used or Reset
+
+/*
+ * Definitions for the actual ioctl commands
+ */
+
+#define ROBOSTIX_IOCTL_POWER_VCC5   _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_POWER_VCC5 )         // arg is int
+#define ROBOSTIX_IOCTL_RESET        _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_RESET )              // arg is int
+#define ROBOSTIX_IOCTL_245_ENABLE   _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_245_ENABLE )         // arg is int
+#define ROBOSTIX_IOCTL_SET_SCK      _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_SCK )            // arg is int
+#define ROBOSTIX_IOCTL_SET_SS       _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_SS )             // arg is int
+#define ROBOSTIX_IOCTL_SET_IR_TXD   _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_IR_TXD )         // arg is int
+#define ROBOSTIX_IOCTL_GET_IR_RXD   _IOR(   ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_IR_RXD, int )    // arg is int *
+#define ROBOSTIX_IOCTL_SET_MOSI     _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_SET_MOSI )           // arg is int
+#define ROBOSTIX_IOCTL_GET_MISO     _IOR(   ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_MISO, int )      // arg is int *
+#define ROBOSTIX_IOCTL_GET_IRQ      _IOR(   ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_GET_IRQ, int )       // arg is int *
+#define ROBOSTIX_IOCTL_DELAY_USEC   _IO(    ROBOSTIX_IOCTL_MAGIC, ROBOSTIX_CMD_DELAY_USEC )         // arg is int
+
+
+/*
+ * Definitions for sysctl. The top level define has to be unique system wide.
+ * The kernel defines values 1 thru about 10 (see include/linunx/sysctl.h)
+ */
+
+#define CTL_ROBOSTIX    0x526F626F  /* 'Robo' in hex form */
+
+/*
+ * The following are for entries in /proc/sys/robostix
+ */
+
+enum
+{
+    CTL_ROBOSTIX_DEBUG_TRACE    = 101,
+    CTL_ROBOSTIX_DEBUG_IOCTL    = 102,
+    CTL_ROBOSTIX_DEBUG_ERROR    = 103
+};
+
+#endif  // LINUX_ROBOSTIX_H
+