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

45 files changed, 6251 insertions, 38 deletions

diff --git a/packages/char-driver/char-driver.bb b/packages/char-driver/char-driver.bb
new file mode 100644
index 0000000000..e6458b599b
--- /dev/null
+++ b/packages/char-driver/char-driver.bb
@@ -0,0 +1,62 @@
+DESCRIPTION = "char-driver and userspace program"
+PRIORITY = "optional"
+SECTION = "base"
+LICENSE = "GPL"
+RDEPENDS = "kernel (${KERNEL_VERSION})"
+DEPENDS = "virtual/kernel"
+
+PR = "r3"
+
+SRC_URI = "http://www.davehylands.com/gumstix-wiki/char-driver/char-driver-2.6.21.tar.gz \
+   file://makefile.patch;patch=1 \
+#   file://sysctl.patch;patch=1 \
+   "
+
+S = "${WORKDIR}/char-driver"
+
+inherit module-base
+
+addtask builddir after do_fetch before do_unpack
+addtask movesrc after do_unpack before do_patch
+
+EXTRA_OEMAKE = 'CROSS_COMPILE="${CROSS_COMPILE}" \
+                KERNELDIR="${KERNEL_SOURCE}" \
+                CC="${CC}" \
+                '
+
+PARALLEL_MAKE = ""
+
+do_builddir () {
+   mkdir -p ${S}
+}
+
+do_movesrc () {
+   cd ${WORKDIR}
+   mv char-driver*.c sample.c char-driver*.h Makefile ${S}
+}
+
+do_configure () {
+	echo "Nothing to configure for char-driver"
+}
+
+do_compile () {
+   unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
+   cd ${S}   
+	oe_runmake
+}
+
+do_install () {
+   # install programs to bindir
+   install -m 0755 -d ${D}${bindir}
+	install -m 0755  ${S}/sample ${D}${bindir}
+
+   # kernel module installs with other modules
+   install -m 0755 -d ${D}${base_libdir}/modules/${KERNEL_VERSION}/extra/
+   # use cp instead of install so the driver doesn't get stripped
+   cp ${S}/char-driver.ko ${D}${base_libdir}/modules/${KERNEL_VERSION}/extra/
+}
+
+PACKAGES = "${PN}"
+FILES_${PN} = "${bindir}/sample"
+FILES_${PN} += "${base_libdir}/modules/${KERNEL_VERSION}/extra/char-driver.ko"
+
diff --git a/packages/char-driver/char-driver/makefile.patch b/packages/char-driver/char-driver/makefile.patch
new file mode 100644
index 0000000000..d2d8e3c705
--- /dev/null
+++ b/packages/char-driver/char-driver/makefile.patch
@@ -0,0 +1,26 @@
+--- char-driver/Makefile.orig	2008-03-09 14:38:02.000000000 -0600
++++ char-driver/Makefile	2008-03-09 14:39:04.000000000 -0600
+@@ -19,10 +19,10 @@
+ 

+ PWD       := $(shell pwd)

+ 

+-GUMSTIX_BUILDROOT	= $(PWD)/../gumstix-buildroot

+-BUILD_ARM			= $(wildcard $(GUMSTIX_BUILDROOT)/build_arm*)

+-KERNELDIR 		   ?= $(wildcard $(BUILD_ARM)/linux-*)

+-CROSS_COMPILE		= $(BUILD_ARM)/staging_dir/bin/arm-linux-

++#GUMSTIX_BUILDROOT	= $(PWD)/../gumstix-buildroot

++#BUILD_ARM			= $(wildcard $(GUMSTIX_BUILDROOT)/build_arm*)

++#KERNELDIR 		   ?= $(wildcard $(BUILD_ARM)/linux-*)

++#CROSS_COMPILE		= $(BUILD_ARM)/staging_dir/bin/arm-linux-

+ 

+ default: user-apps kernel-module

+ 

+@@ -31,7 +31,7 @@
+ user-apps: sample

+ 

+ TARGET_ARCH=-Os -march=armv5te -mtune=xscale -Wa,-mcpu=xscale

+-CC = $(CROSS_COMPILE)gcc

++#CC = $(CROSS_COMPILE)gcc

+ 

+ sample: sample.c

+ 

diff --git a/packages/char-driver/char-driver/sysctl.patch b/packages/char-driver/char-driver/sysctl.patch
new file mode 100644
index 0000000000..1c7a7600ba
--- /dev/null
+++ b/packages/char-driver/char-driver/sysctl.patch
@@ -0,0 +1,34 @@
+--- char-driver/char-driver.c.orig	2008-03-09 13:05:30.000000000 -0600
++++ char-driver/char-driver.c	2008-03-09 13:04:33.000000000 -0600
+@@ -26,7 +26,6 @@
+ /* ---- Include Files ---------------------------------------------------- */
+ 
+ #include <linux/module.h>
+-#include <linux/config.h>
+ #include <linux/init.h>
+ #include <linux/fs.h>
+ #include <linux/spinlock.h>
+@@ -426,12 +425,17 @@
+     printk( "sample driver allocated major:%d minor:%d\n", MAJOR( gSampleDevNum ), MINOR( gSampleDevNum ));
+ 
+     // Register our proc entries.
+-
+-    gSysCtlHeader = register_sysctl_table( gSysCtl, 0 );
+-    if ( gSysCtlHeader != NULL )
+-    {
+-        gSysCtlHeader->ctl_table->child->de->owner = THIS_MODULE;
+-    }
++#if USE_SYSCTL
++    #if ( LINUX_VERSION_CODE <= KERNEL_VERSION( 2, 6, 20 ))
++        gSysCtlHeader = register_sysctl_table( gSysCtl, 0 );
++        if ( gSysCtlHeader != NULL )
++        {
++            gSysCtlHeader->ctl_table->child->de->owner = THIS_MODULE;
++        }
++    #else
++        gSysCtlHeader = register_sysctl_table( gSysCtl );
++    #endif
++#endif
+ 
+     // Register our device. The device becomes "active" as soon as cdev_add 
+     // is called.
diff --git a/packages/gpio-event/gpio-event.bb b/packages/gpio-event/gpio-event.bb
new file mode 100644
index 0000000000..afb2a77ac1
--- /dev/null
+++ b/packages/gpio-event/gpio-event.bb
@@ -0,0 +1,61 @@
+DESCRIPTION = "gpio-event driver and userspace program"
+PRIORITY = "optional"
+SECTION = "base"
+LICENSE = "GPL"
+RDEPENDS = "kernel (${KERNEL_VERSION})"
+DEPENDS = "virtual/kernel"
+
+PR = "r4"
+
+SRC_URI = "http://davehylands.com/gumstix-wiki/gpio-event/gpio-event-2.6.21-1444-select.tar.gz \
+   file://makefile.patch;patch=1 \
+   "
+
+S = "${WORKDIR}/gpio-event"
+
+inherit module-base
+
+addtask builddir after do_fetch before do_unpack
+addtask movesrc after do_unpack before do_patch
+
+EXTRA_OEMAKE = 'CROSS_COMPILE="${CROSS_COMPILE}" \
+                KERNELDIR="${KERNEL_SOURCE}" \
+                CC="${CC}" \
+                '
+
+PARALLEL_MAKE = ""
+
+do_builddir () {
+   mkdir -p ${S}
+}
+
+do_movesrc () {
+   cd ${WORKDIR}
+   mv gpio-event*.c gpio-event*.h Makefile ${S}
+}
+
+do_configure () {
+	echo "Nothing to configure for gpio-event"
+}
+
+do_compile () {
+   unset CFLAGS CPPFLAGS CXXFLAGS LDFLAGS
+   cd ${S}
+	oe_runmake   
+}
+
+do_install () {
+   # install programs to bindir
+   install -m 0755 -d ${D}${bindir}
+	install -m 0755  ${S}/gpio-event ${D}${bindir}
+
+   # kernel module installs with other modules
+   install -m 0755 -d ${D}${base_libdir}/modules/${KERNEL_VERSION}/extra/
+   # use cp instead of install so the driver doesn't get stripped
+   cp ${S}/gpio-event-drv.ko ${D}${base_libdir}/modules/${KERNEL_VERSION}/extra/
+}
+
+PACKAGES = "${PN}"
+FILES_${PN} = "${bindir}/gpio-event"
+FILES_${PN} += "${base_libdir}/modules/${KERNEL_VERSION}/extra/gpio-event-drv.ko"
+
diff --git a/packages/gpio-event/gpio-event/makefile.patch b/packages/gpio-event/gpio-event/makefile.patch
new file mode 100644
index 0000000000..e1b7fe31b9
--- /dev/null
+++ b/packages/gpio-event/gpio-event/makefile.patch
@@ -0,0 +1,26 @@
+--- gpio-event/Makefile.orig	2008-03-09 13:59:07.000000000 -0600
++++ gpio-event/Makefile	2008-03-09 13:59:51.000000000 -0600
+@@ -19,10 +19,10 @@
+ 

+ PWD       := $(shell pwd)

+ 

+-GUMSTIX_BUILDROOT	= $(PWD)/../cx-1575

+-BUILD_ARM		= $(wildcard $(GUMSTIX_BUILDROOT)/build_arm*)

+-KERNELDIR 		?= $(wildcard $(BUILD_ARM)/linux-*)

+-CROSS_COMPILE		= $(BUILD_ARM)/staging_dir/bin/arm-linux-

++#GUMSTIX_BUILDROOT	= $(PWD)/../cx-1575

++#BUILD_ARM		= $(wildcard $(GUMSTIX_BUILDROOT)/build_arm*)

++#KERNELDIR 		?= $(wildcard $(BUILD_ARM)/linux-*)

++#CROSS_COMPILE		= $(BUILD_ARM)/staging_dir/bin/arm-linux-

+ 

+ default: user-apps kernel-module

+ 

+@@ -31,7 +31,7 @@
+ user-apps: gpio-event

+ 

+ TARGET_ARCH=-Os -march=armv5te -mtune=xscale -Wa,-mcpu=xscale

+-CC = $(CROSS_COMPILE)gcc

++#CC = $(CROSS_COMPILE)gcc

+ 

+ CPPFLAGS	+= 

+ CFLAGS		+= -Wall

diff --git a/packages/i2c/files/Config.h b/packages/i2c/files/Config.h
new file mode 100644
index 0000000000..83bb46de84
--- /dev/null
+++ b/packages/i2c/files/Config.h
@@ -0,0 +1,41 @@
+/****************************************************************************
+*
+*   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.
+*
+****************************************************************************/
+/**
+*
+*   @file   Config.h
+*
+*   @brief  Global Configuration information.
+*
+****************************************************************************/
+
+#if !defined( CONFIG_H )
+#define CONFIG_H              /**< Include Guard                           */
+
+/* ---- Include Files ---------------------------------------------------- */
+
+/* ---- Constants and Types ---------------------------------------------- */
+
+/**
+ *  Sets Logging parameters
+ */
+
+#define CFG_LOG_TO_BUFFER   0
+
+#define CFG_CRC8BLOCK       1
+
+/** @} */
+
+#endif // CONFIG_H
+
diff --git a/packages/i2c/files/Crc8.c b/packages/i2c/files/Crc8.c
new file mode 100644
index 0000000000..87dcf5c2f4
--- /dev/null
+++ b/packages/i2c/files/Crc8.c
@@ -0,0 +1,149 @@
+/****************************************************************************
+*
+*   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.
+*
+****************************************************************************/
+/**
+*
+*   @file   Crc8.c 
+*
+*   @brief  This file contains the definition of the CRC-8 algorithim
+*           used by SMBus
+*           
+*
+*****************************************************************************/
+
+/* ---- Include Files ----------------------------------------------------- */
+
+#include "Config.h"
+
+#include "Crc8.h"
+
+#include "Log.h"
+
+/* ---- Public Variables -------------------------------------------------- */
+/* ---- Private Constants and Types --------------------------------------- */
+/* ---- Private Variables ------------------------------------------------- */
+/* ---- Private Function Prototypes --------------------------------------- */
+/* ---- Functions --------------------------------------------------------- */
+
+/****************************************************************************/
+/**
+*   Calculates the CRC-8 used as part of SMBus.
+*
+*   CRC-8 is defined to be x^8 + x^2 + x + 1
+*
+*   To use this function use the following template:
+*
+*       crc = Crc8( crc, data );
+*/
+
+#if 0   // Traditional implementation
+
+#define POLYNOMIAL    (0x1070U << 3) 
+
+unsigned char Crc8( unsigned char inCrc, unsigned char inData )
+{
+        int i;
+    unsigned short  data;
+
+    data = inCrc ^ inData;
+    data <<= 8;
+  
+        for ( i = 0; i < 8; i++ ) 
+    {
+                if (( data & 0x8000 ) != 0 )
+        {
+            data = data ^ POLYNOMIAL;
+        }
+                data = data << 1;
+        }
+
+#if 0
+#if defined( LogBuf2 )
+    LogBuf2( "Crc8: data:0x%02x crc:0x%02x\n", inData, (unsigned char)( data >> 8 ));
+#else
+
+    Log( "Crc8: data:0x%02x crc:0x%02x\n", inData, (unsigned char)( data >> 8 ));
+#endif
+
+#endif
+
+
+        return (unsigned char)( data >> 8 );
+
+} // Crc8
+
+#else   // Optimized for 8 bit CPUs (0x22 bytes on ATMega128 versus 0x30 for above version)
+
+unsigned char Crc8( unsigned char inCrc, unsigned char inData )
+{
+        unsigned char   i;
+    unsigned char   data;
+
+    data = inCrc ^ inData;
+  
+        for ( i = 0; i < 8; i++ ) 
+    {
+        if (( data & 0x80 ) != 0 )
+        {
+            data <<= 1;
+            data ^= 0x07;
+        }
+        else
+        {
+            data <<= 1;
+        }
+        }
+
+#if 0
+#if defined( LogBuf2 )
+    LogBuf2( "Crc8: data:0x%02x crc:0x%02x\n", inData, data );
+#else
+
+    Log( "Crc8: data:0x%02x crc:0x%02x\n", inData, data );
+#endif
+
+#endif
+
+
+        return data;
+
+} // Crc8
+
+#endif
+
+
+#if defined( CFG_CRC8BLOCK )
+
+/****************************************************************************/
+/**
+*   Calculates the CRC-8 used as part of SMBus over a block of memory.
+*/
+
+uint8_t Crc8Block( uint8_t crc, uint8_t *data, uint8_t len )
+{
+    while ( len > 0 )
+    {
+        crc = Crc8( crc, *data++ );
+        len--;
+    }
+
+    return crc;
+
+} // Crc8Block
+
+#endif  // CFG_CRC8BLOCK
+
+/** @} */
+
+
diff --git a/packages/i2c/files/Crc8.h b/packages/i2c/files/Crc8.h
new file mode 100644
index 0000000000..2d1f74b82c
--- /dev/null
+++ b/packages/i2c/files/Crc8.h
@@ -0,0 +1,54 @@
+/****************************************************************************
+*
+*   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.
+*
+****************************************************************************/
+/**
+*
+*   @file   Crc8.h
+*
+*   @brief  This file contains the definition of the CRC-8 algorithim
+*           used by SMBus
+*
+****************************************************************************/
+
+#if !defined( CRC8_H )
+#define CRC_H                   ///< Include Guard
+
+/* ---- Include Files ----------------------------------------------------- */
+
+#include <inttypes.h>
+
+#if defined( __cplusplus )
+extern "C"
+{
+#endif
+
+
+/* ---- Constants and Types ---------------------------------------------- */
+/* ---- Variable Externs ------------------------------------------------- */
+/* ---- Function Prototypes ---------------------------------------------- */
+
+uint8_t Crc8( uint8_t crc, uint8_t data );
+
+uint8_t Crc8Block( uint8_t crc, uint8_t *data, uint8_t len );
+
+
+#if defined( __cplusplus )
+}
+#endif
+
+
+/** @} */
+
+#endif // CRC8_H
+
diff --git a/packages/i2c/files/DumpMem.c b/packages/i2c/files/DumpMem.c
new file mode 100644
index 0000000000..e13e94b0f8
--- /dev/null
+++ b/packages/i2c/files/DumpMem.c
@@ -0,0 +1,93 @@
+/****************************************************************************
+*
+*   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.
+*
+****************************************************************************/
+/**
+*
+*   @file   DumpMem.c
+*
+*   @brief  Memmory dump routine
+*
+****************************************************************************/
+
+// ---- Include Files -------------------------------------------------------
+
+#include <inttypes.h>
+#include "DumpMem.h"
+#include "Log.h"
+
+// ---- Public Variables ----------------------------------------------------
+// ---- Private Constants and Types -----------------------------------------
+// ---- Private Variables ---------------------------------------------------
+// ---- Private Function Prototypes -----------------------------------------
+// ---- Functions -----------------------------------------------------------
+
+/**************************************************************************/
+/**
+*   Dumps a page of output for debugging purposes.
+*/
+
+void DumpMem( const char *prefix, unsigned address, const void *inData, unsigned numBytes )
+{
+    const uint8_t  *data = (const uint8_t *)inData;
+    unsigned        byteOffset;
+
+    if ( numBytes == 0 )
+    {
+        Log( "%s: No data\n", prefix );
+        return;
+    }
+
+#define LINE_WIDTH  16
+
+    for ( byteOffset = 0; byteOffset < numBytes; byteOffset += LINE_WIDTH ) 
+    {
+        unsigned    i;
+
+        Log( "%s: %04x: ", prefix, address + byteOffset );
+
+        for ( i = 0; i < LINE_WIDTH; i++ ) 
+        {
+            if (( byteOffset + i ) < numBytes )
+            {
+                Log( "%02.2X ", data[ byteOffset + i ] );
+            }
+            else
+            {
+                Log( "   " );
+            }
+        }
+        for ( i = 0; i < LINE_WIDTH; i++ ) 
+        {
+            if (( byteOffset + i ) < numBytes )
+            {
+                unsigned char ch = data[ byteOffset + i ];
+                if (( ch < ' ' ) || ( ch > '~' ))
+                {
+                    Log( "." );
+                }
+                else
+                {
+                    Log( "%c", ch );
+                }
+            }
+            else
+            {
+                break;
+            }
+        }
+        Log( "\n" );
+    }
+
+} // DumpMem
+
diff --git a/packages/i2c/files/DumpMem.h b/packages/i2c/files/DumpMem.h
new file mode 100644
index 0000000000..5d536f49e8
--- /dev/null
+++ b/packages/i2c/files/DumpMem.h
@@ -0,0 +1,49 @@
+/****************************************************************************
+*
+*   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.
+*
+****************************************************************************/
+/**
+*
+*   @file   DumpMem.h
+*
+*   @brief  Debug routine for dumping memory
+*
+****************************************************************************/
+
+#if !defined( DUMPMEM_H )
+#define DUMPMEM_H                   ///< Include Guard
+
+// ---- Include Files -------------------------------------------------------
+
+/**
+ * @addtogroup Log
+ * @{
+ */
+
+#if defined( __cplusplus )
+extern "C"
+{
+#endif
+
+
+void DumpMem( const char *prefix, unsigned address, const void *data, unsigned numBytes );
+
+#if defined( __cplusplus )
+}
+#endif
+
+                 
+/** @} */
+
+#endif // DUMPMEM_H
+
diff --git a/packages/i2c/files/Log.c b/packages/i2c/files/Log.c
new file mode 100644
index 0000000000..e32783391b
--- /dev/null
+++ b/packages/i2c/files/Log.c
@@ -0,0 +1,335 @@
+/****************************************************************************
+*
+*   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.
+*
+****************************************************************************/
+/**
+*
+*   @file   Log.cpp
+*
+*   @brief  This file contains the implementation of the logging functions.
+*
+****************************************************************************/
+
+// ---- Include Files -------------------------------------------------------
+
+#include "Log.h"
+
+#if CFG_LOG_USE_STDIO
+#   include <stdio.h>
+#else
+
+#   include "Str.h"
+#   include "UART.h"
+#endif
+
+
+// ---- Public Variables ----------------------------------------------------
+// ---- Private Constants and Types -----------------------------------------
+
+#if defined( AVR )
+
+#undef  Log
+#undef  LogError
+#undef  vLog
+
+#define Log         Log_P
+#define LogError    LogError_P
+#define vLog        vLog_P
+#define LogBuf      LogBuf_P
+
+#define char        prog_char
+
+#else
+
+
+#define PSTR(str)   str
+
+int gVerbose = 0;
+int gDebug = 0;
+int gQuiet = 0;
+
+#endif
+
+
+#if CFG_LOG_TO_BUFFER
+
+volatile    LOG_Buffer_t    LOG_gBuffer;
+
+#endif
+
+
+// ---- Private Variables ---------------------------------------------------
+
+#if CFG_LOG_USE_STDIO
+
+FILE   *gLogFs = NULL;
+
+#endif
+
+
+// ---- Private Function Prototypes -----------------------------------------
+
+// ---- Functions -----------------------------------------------------------
+
+/**
+ * @addtogroup Log
+ * @{
+ */
+
+#if !defined( AVR )
+
+void DefaultLogFunc( int logLevel, const char *fmt, va_list args )
+{
+    FILE    *fs;
+
+    if ( gQuiet && ( logLevel == LOG_LEVEL_NORMAL ))
+    {
+        return;
+    }
+
+    if ( gLogFs == NULL )
+    {
+        fs = stderr;
+    }
+    else
+    {
+        fs = gLogFs;
+    }
+
+    if ( logLevel == LOG_LEVEL_ERROR )
+    {
+        fprintf( fs, "ERROR: " );
+    }
+    vfprintf( fs, fmt, args );
+    fflush( fs );
+
+} // DefaultLogFunc
+
+static LogFunc_t    gLogFunc = DefaultLogFunc;
+
+void SetLogFunc( LogFunc_t logFunc )
+{
+    
+    gLogFunc = logFunc;
+
+} // SetLogFunc
+
+#endif
+
+
+//***************************************************************************
+/**
+*   Sets the logging stream
+*/
+
+#if CFG_LOG_USE_STDIO
+void LogInit( FILE *logFs )
+{
+    gLogFs = logFs;
+
+} // LogInit
+
+#else
+
+
+static int LogToUartFunc( void *outParm, int ch )
+{
+    UART0_PutChar( ch );
+
+    return 1;
+}
+#endif
+