Added the OS files

6 files changed, 731 insertions, 0 deletions

diff --git a/ecos/packages/devs/kbd/arm/aaed2000/current/ChangeLog b/ecos/packages/devs/kbd/arm/aaed2000/current/ChangeLog
new file mode 100644
index 0000000..047fed0
--- /dev/null
+++ b/ecos/packages/devs/kbd/arm/aaed2000/current/ChangeLog
@@ -0,0 +1,28 @@
+2002-03-10  Gary Thomas  <gthomas@redhat.com>
+
+	* src/aaed2000_kbd.c: 
+	* cdl/kbd_aaed2000.cdl: New file(s).  Keyboard driver for AAED2000.
+
+//===========================================================================
+// ####GPLCOPYRIGHTBEGIN####                                                
+// -------------------------------------------                              
+// This file is part of eCos, the Embedded Configurable Operating System.   
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+//
+// This program is free software; you can redistribute it and/or modify     
+// it under the terms of the GNU General Public License as published by     
+// the Free Software Foundation; either version 2 or (at your option) any   
+// later version.                                                           
+//
+// This program is distributed in the hope that it will be useful, but      
+// WITHOUT ANY WARRANTY; without even the implied warranty of               
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        
+// General Public License for more details.                                 
+//
+// You should have received a copy of the GNU General Public License        
+// along with this program; if not, write to the                            
+// Free Software Foundation, Inc., 51 Franklin Street,                      
+// Fifth Floor, Boston, MA  02110-1301, USA.                                
+// -------------------------------------------                              
+// ####GPLCOPYRIGHTEND####                                                  
+//===========================================================================
diff --git a/ecos/packages/devs/kbd/arm/aaed2000/current/cdl/kbd_aaed2000.cdl b/ecos/packages/devs/kbd/arm/aaed2000/current/cdl/kbd_aaed2000.cdl
new file mode 100644
index 0000000..5d14823
--- /dev/null
+++ b/ecos/packages/devs/kbd/arm/aaed2000/current/cdl/kbd_aaed2000.cdl
@@ -0,0 +1,99 @@
+#==========================================================================
+# 
+#       kbd_aaed2000.cdl
+# 
+#       eCos configuration data for the Agilent AAED2000 keyboard
+# 
+#==========================================================================
+## ####ECOSGPLCOPYRIGHTBEGIN####                                            
+## -------------------------------------------                              
+## This file is part of eCos, the Embedded Configurable Operating System.   
+## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+##
+## eCos is free software; you can redistribute it and/or modify it under    
+## the terms of the GNU General Public License as published by the Free     
+## Software Foundation; either version 2 or (at your option) any later      
+## version.                                                                 
+##
+## eCos is distributed in the hope that it will be useful, but WITHOUT      
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
+## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
+## for more details.                                                        
+##
+## You should have received a copy of the GNU General Public License        
+## along with eCos; if not, write to the Free Software Foundation, Inc.,    
+## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
+##
+## As a special exception, if other files instantiate templates or use      
+## macros or inline functions from this file, or you compile this file      
+## and link it with other works to produce a work based on this file,       
+## this file does not by itself cause the resulting work to be covered by   
+## the GNU General Public License. However the source code for this file    
+## must still be made available in accordance with section (3) of the GNU   
+## General Public License v2.                                               
+##
+## This exception does not invalidate any other reasons why a work based    
+## on this file might be covered by the GNU General Public License.         
+## -------------------------------------------                              
+## ####ECOSGPLCOPYRIGHTEND####                                              
+#==========================================================================
+######DESCRIPTIONBEGIN####
+# 
+# Author(s):    gthomas
+# Contributors: gthomas
+# Date:         2002-03-11
+# Purpose:      
+# Description:  Keyboard driver for Agilent AAED2000
+# 
+#####DESCRIPTIONEND####
+# 
+#==========================================================================
+
+cdl_package CYGPKG_DEVS_KBD_AAED2000 {
+    display     "Keypad driver for AAED2000"
+    include_dir cyg/io
+
+    active_if   CYGPKG_IO_FILEIO
+    requires    CYGPKG_IO
+    requires    CYGFUN_KERNEL_API_C
+    requires    CYGPKG_HAL_ARM_ARM9_AAED2000
+    active_if   !CYGSEM_AAED2000_LCD_COMM
+
+    compile       -library=libextras.a aaed2000_kbd.c
+
+    description "Keyboard driver for the AAED2000"
+
+    cdl_component CYGPKG_DEVS_KBD_AAED2000_OPTIONS {
+        display "options"
+        flavor  none
+        no_define
+
+        cdl_option CYGPKG_DEVS_KBD_AAED2000_CFLAGS {
+            display       "Additional compiler flags"
+            flavor        data
+            no_define
+            default_value { "" }
+            description "
+               This option modifies the set of compiler flags for
+               building the keypad driver package. These flags
+               are used in addition to the set of global flags."
+        }
+
+        cdl_option CYGDAT_DEVS_KBD_AAED2000_NAME {
+            display "Device name for the keyboard driver"
+            flavor data
+            default_value {"\"/dev/kbd\""}
+            description " This option specifies the name of the keypad device"
+        }
+
+        cdl_option CYGNUM_DEVS_KBD_AAED2000_EVENT_BUFFER_SIZE {
+            display "Number of events the driver can buffer"
+            flavor data
+            default_value { 32 }
+            description "
+                This option defines the size of the keypad device internal
+            buffer. The cyg_io_read() function will return as many of these
+            as there is space for in the buffer passed."
+        }
+    }
+}
diff --git a/ecos/packages/devs/kbd/arm/aaed2000/current/src/aaed2000_kbd.c b/ecos/packages/devs/kbd/arm/aaed2000/current/src/aaed2000_kbd.c
new file mode 100644
index 0000000..8127ff2
--- /dev/null
+++ b/ecos/packages/devs/kbd/arm/aaed2000/current/src/aaed2000_kbd.c
@@ -0,0 +1,245 @@
+//==========================================================================
+//
+//      aaed2000_kbd.c
+//
+//      Keyboard driver for the Agilent AAED2000
+//
+//==========================================================================
+// ####ECOSGPLCOPYRIGHTBEGIN####                                            
+// -------------------------------------------                              
+// This file is part of eCos, the Embedded Configurable Operating System.   
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+//
+// eCos is free software; you can redistribute it and/or modify it under    
+// the terms of the GNU General Public License as published by the Free     
+// Software Foundation; either version 2 or (at your option) any later      
+// version.                                                                 
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT      
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
+// for more details.                                                        
+//
+// You should have received a copy of the GNU General Public License        
+// along with eCos; if not, write to the Free Software Foundation, Inc.,    
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
+//
+// As a special exception, if other files instantiate templates or use      
+// macros or inline functions from this file, or you compile this file      
+// and link it with other works to produce a work based on this file,       
+// this file does not by itself cause the resulting work to be covered by   
+// the GNU General Public License. However the source code for this file    
+// must still be made available in accordance with section (3) of the GNU   
+// General Public License v2.                                               
+//
+// This exception does not invalidate any other reasons why a work based    
+// on this file might be covered by the GNU General Public License.         
+// -------------------------------------------                              
+// ####ECOSGPLCOPYRIGHTEND####                                              
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2002-03-11
+// Purpose:      
+// Description:  Keyboardd driver for Agilent AAED2000
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <pkgconf/devs_kbd_aaed2000.h>
+
+#include <cyg/kernel/kapi.h>
+#include <cyg/hal/hal_io.h>
+#include <cyg/hal/hal_arch.h>
+#include <cyg/hal/drv_api.h>
+#include <cyg/hal/hal_intr.h>
+#include <cyg/hal/aaed2000.h>
+#include <cyg/infra/cyg_type.h>
+#include <cyg/infra/cyg_ass.h>
+
+#include <cyg/fileio/fileio.h>  // For select() functionality
+static cyg_selinfo      kbd_select_info; 
+static cyg_bool         kbd_select_active;
+
+#include <cyg/io/devtab.h>
+
+// Functions in this module
+
+static Cyg_ErrNo kbd_read(cyg_io_handle_t handle, 
+                          void *buffer, 
+                          cyg_uint32 *len);
+static cyg_bool  kbd_select(cyg_io_handle_t handle, 
+                            cyg_uint32 which, 
+                            cyg_addrword_t info);
+static Cyg_ErrNo kbd_set_config(cyg_io_handle_t handle, 
+                                cyg_uint32 key, 
+                                const void *buffer, 
+                                cyg_uint32 *len);
+static Cyg_ErrNo kbd_get_config(cyg_io_handle_t handle, 
+                                cyg_uint32 key, 
+                                void *buffer, 
+                                cyg_uint32 *len);
+static bool      kbd_init(struct cyg_devtab_entry *tab);
+static Cyg_ErrNo kbd_lookup(struct cyg_devtab_entry **tab, 
+                            struct cyg_devtab_entry *st, 
+                            const char *name);
+
+CHAR_DEVIO_TABLE(aaed2000_kbd_handlers,
+                 NULL,                                   // Unsupported write() function
+                 kbd_read,
+                 kbd_select,
+                 kbd_get_config,
+                 kbd_set_config);
+
+CHAR_DEVTAB_ENTRY(aaed2000_kbd_device,
+                  CYGDAT_DEVS_KBD_AAED2000_NAME,
+                  NULL,                                   // Base device name
+                  &aaed2000_kbd_handlers,
+                  kbd_init,
+                  kbd_lookup,
+                  NULL);                                  // Private data pointer
+
+#define MAX_EVENTS CYGNUM_DEVS_KBD_AAED2000_EVENT_BUFFER_SIZE
+static int   num_events;
+static int   _event_put, _event_get;
+static unsigned char _events[MAX_EVENTS];
+
+static bool _is_open = false;
+
+#define STACK_SIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
+static char kbd_scan_stack[STACK_SIZE];
+static cyg_thread kbd_scan_thread_data;
+static cyg_handle_t kbd_scan_thread_handle;
+#define SCAN_FREQ 20 // Hz
+//#define SCAN_FREQ 5 // Hz
+#define SCAN_DELAY ((1000/SCAN_FREQ)/10)
+
+static void
+kbd_scan(cyg_addrword_t param)
+{
+    unsigned char ch;
+    unsigned char *ev;
+
+    diag_printf("Keyboard scan\n");
+    while (true) {
+        cyg_thread_delay(SCAN_DELAY);
+        if (aaed2000_KeyboardTest()) {
+            ch = aaed2000_KeyboardGetc();
+            if (num_events < MAX_EVENTS) {
+                num_events++;
+                ev = &_events[_event_put++];
+                if (_event_put == MAX_EVENTS) {
+                    _event_put = 0;
+                }
+                *ev = ch;
+                if (kbd_select_active) {
+                    kbd_select_active = false;
+                    cyg_selwakeup(&kbd_select_info);
+                }
+            }
+        }
+    }
+}
+
+static Cyg_ErrNo 
+kbd_read(cyg_io_handle_t handle, 
+         void *buffer, 
+         cyg_uint32 *len)
+{
+    unsigned char *ev;
+    int tot = *len;
+    unsigned char *bp = (unsigned char *)buffer;
+
+    cyg_scheduler_lock();  // Prevent interaction with DSR code
+    while (tot >= sizeof(*ev)) {
+        if (num_events > 0) {
+            ev = &_events[_event_get++];
+            if (_event_get == MAX_EVENTS) {
+                _event_get = 0;
+            }
+            memcpy(bp, ev, sizeof(*ev));
+            bp += sizeof(*ev);
+            tot -= sizeof(*ev);
+            num_events--;
+        } else {
+            break;  // No more events
+        }
+    }
+    cyg_scheduler_unlock(); // Allow DSRs again
+    diag_dump_buf(buffer, tot);
+    *len -= tot;
+    return ENOERR;
+}
+
+static cyg_bool  
+kbd_select(cyg_io_handle_t handle, 
+           cyg_uint32 which, 
+           cyg_addrword_t info)
+{
+    if (which == CYG_FREAD) {
+        cyg_scheduler_lock();  // Prevent interaction with DSR code
+        if (num_events > 0) {
+            cyg_scheduler_unlock();  // Reallow interaction with DSR code
+            return true;
+        }        
+        if (!kbd_select_active) {
+            kbd_select_active = true;
+            cyg_selrecord(info, &kbd_select_info);
+        }
+        cyg_scheduler_unlock();  // Reallow interaction with DSR code
+    }
+    return false;
+}
+
+static Cyg_ErrNo 
+kbd_set_config(cyg_io_handle_t handle, 
+               cyg_uint32 key, 
+               const void *buffer, 
+               cyg_uint32 *len)
+{
+    return EINVAL;
+}
+
+static Cyg_ErrNo 
+kbd_get_config(cyg_io_handle_t handle, 
+               cyg_uint32 key, 
+               void *buffer, 
+               cyg_uint32 *len)
+{
+    return EINVAL;
+}
+
+static bool      
+kbd_init(struct cyg_devtab_entry *tab)
+{
+    cyg_selinit(&kbd_select_info);
+    return true;
+}
+
+static Cyg_ErrNo 
+kbd_lookup(struct cyg_devtab_entry **tab, 
+           struct cyg_devtab_entry *st, 
+           const char *name)
+{
+    if (!_is_open) {
+        _is_open = true;
+        cyg_thread_create(1,                       // Priority
+                          kbd_scan,                // entry
+                          0,                       // entry parameter
+                          "Keyboard scan",         // Name
+                          &kbd_scan_stack[0],      // Stack
+                          STACK_SIZE,              // Size
+                          &kbd_scan_thread_handle, // Handle
+                          &kbd_scan_thread_data    // Thread data structure
+        );
+        cyg_thread_resume(kbd_scan_thread_handle);    // Start it
+    }
+    return ENOERR;
+}
+
+
+
diff --git a/ecos/packages/devs/kbd/arm/ipaq/current/ChangeLog b/ecos/packages/devs/kbd/arm/ipaq/current/ChangeLog
new file mode 100644
index 0000000..aebd5c8
--- /dev/null
+++ b/ecos/packages/devs/kbd/arm/ipaq/current/ChangeLog
@@ -0,0 +1,36 @@
+2001-08-29  Kenichi Nakamura  <nakamura@redhat.com>
+
+	* cdl/kbd_ipaq.cdl: Modified dependency on file I/O package.
+
+2001-04-24  Gary Thomas  <gthomas@redhat.com>
+
+	* cdl/kbd_ipaq.cdl: Add dependency on file I/O package.
+
+2001-03-15  Gary Thomas  <gthomas@redhat.com>
+
+	* src/ipaq_kbd.c: 
+	* cdl/kbd_ipaq.cdl: New file(s) - keypad driver for iPAQ.
+
+//===========================================================================
+// ####GPLCOPYRIGHTBEGIN####                                                
+// -------------------------------------------                              
+// This file is part of eCos, the Embedded Configurable Operating System.   
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+//
+// This program is free software; you can redistribute it and/or modify     
+// it under the terms of the GNU General Public License as published by     
+// the Free Software Foundation; either version 2 or (at your option) any   
+// later version.                                                           
+//
+// This program is distributed in the hope that it will be useful, but      
+// WITHOUT ANY WARRANTY; without even the implied warranty of               
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU        
+// General Public License for more details.                                 
+//
+// You should have received a copy of the GNU General Public License        
+// along with this program; if not, write to the                            
+// Free Software Foundation, Inc., 51 Franklin Street,                      
+// Fifth Floor, Boston, MA  02110-1301, USA.                                
+// -------------------------------------------                              
+// ####GPLCOPYRIGHTEND####                                                  
+//===========================================================================
diff --git a/ecos/packages/devs/kbd/arm/ipaq/current/cdl/kbd_ipaq.cdl b/ecos/packages/devs/kbd/arm/ipaq/current/cdl/kbd_ipaq.cdl
new file mode 100644
index 0000000..3856fec
--- /dev/null
+++ b/ecos/packages/devs/kbd/arm/ipaq/current/cdl/kbd_ipaq.cdl
@@ -0,0 +1,99 @@
+#==========================================================================
+# 
+#       kbd_ipaq.cdl
+# 
+#       eCos configuration data for the Compaq iPAQ keypad/buttons
+# 
+#==========================================================================
+## ####ECOSGPLCOPYRIGHTBEGIN####                                            
+## -------------------------------------------                              
+## This file is part of eCos, the Embedded Configurable Operating System.   
+## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+##
+## eCos is free software; you can redistribute it and/or modify it under    
+## the terms of the GNU General Public License as published by the Free     
+## Software Foundation; either version 2 or (at your option) any later      
+## version.                                                                 
+##
+## eCos is distributed in the hope that it will be useful, but WITHOUT      
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
+## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
+## for more details.                                                        
+##
+## You should have received a copy of the GNU General Public License        
+## along with eCos; if not, write to the Free Software Foundation, Inc.,    
+## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
+##
+## As a special exception, if other files instantiate templates or use      
+## macros or inline functions from this file, or you compile this file      
+## and link it with other works to produce a work based on this file,       
+## this file does not by itself cause the resulting work to be covered by   
+## the GNU General Public License. However the source code for this file    
+## must still be made available in accordance with section (3) of the GNU   
+## General Public License v2.                                               
+##
+## This exception does not invalidate any other reasons why a work based    
+## on this file might be covered by the GNU General Public License.         
+## -------------------------------------------                              
+## ####ECOSGPLCOPYRIGHTEND####                                              
+#==========================================================================
+######DESCRIPTIONBEGIN####
+# 
+# Author(s):    gthomas
+# Contributors: gthomas
+# Date:         2001-03-15
+# Purpose:      
+# Description:  Kbdscreen drivers for Compaq iPAQ
+# 
+#####DESCRIPTIONEND####
+# 
+#==========================================================================
+
+cdl_package CYGPKG_DEVS_KBD_IPAQ {
+    display     "Keypad driver for iPAQ"
+    include_dir cyg/io
+
+    active_if   CYGPKG_IO_FILEIO
+    requires    CYGPKG_IO
+    requires    CYGFUN_KERNEL_API_C
+    requires    CYGPKG_HAL_ARM_SA11X0_IPAQ
+    active_if   !CYGSEM_IPAQ_LCD_COMM
+
+    compile       -library=libextras.a ipaq_kbd.c
+
+    description "Keypad driver for the iPAQ using the Atmel micro-controller"
+
+    cdl_component CYGPKG_DEVS_KBD_IPAQ_OPTIONS {
+        display "options"
+        flavor  none
+        no_define
+
+        cdl_option CYGPKG_DEVS_KBD_IPAQ_CFLAGS {
+            display       "Additional compiler flags"
+            flavor        data
+            no_define
+            default_value { "" }
+            description "
+               This option modifies the set of compiler flags for
+               building the keypad driver package. These flags
+               are used in addition to the set of global flags."
+        }
+
+        cdl_option CYGDAT_DEVS_KBD_IPAQ_NAME {
+            display "Device name for the keypad driver"
+            flavor data
+            default_value {"\"/dev/kbd\""}
+            description " This option specifies the name of the keypad device"
+        }
+
+        cdl_option CYGNUM_DEVS_KBD_IPAQ_EVENT_BUFFER_SIZE {
+            display "Number of events the driver can buffer"
+            flavor data
+            default_value { 32 }
+            description "
+                This option defines the size of the keypad device internal
+            buffer. The cyg_io_read() function will return as many of these
+            as there is space for in the buffer passed."
+        }
+    }
+}
diff --git a/ecos/packages/devs/kbd/arm/ipaq/current/src/ipaq_kbd.c b/ecos/packages/devs/kbd/arm/ipaq/current/src/ipaq_kbd.c
new file mode 100644
index 0000000..a34f0d1
--- /dev/null
+++ b/ecos/packages/devs/kbd/arm/ipaq/current/src/ipaq_kbd.c
@@ -0,0 +1,224 @@
+//==========================================================================
+//
+//      ipaq_kbd.c
+//
+//      Keypad driver for the Compaq iPAQ
+//
+//==========================================================================
+// ####ECOSGPLCOPYRIGHTBEGIN####                                            
+// -------------------------------------------                              
+// This file is part of eCos, the Embedded Configurable Operating System.   
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+//
+// eCos is free software; you can redistribute it and/or modify it under    
+// the terms of the GNU General Public License as published by the Free     
+// Software Foundation; either version 2 or (at your option) any later      
+// version.                                                                 
+//
+// eCos is distributed in the hope that it will be useful, but WITHOUT      
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
+// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
+// for more details.                                                        
+//
+// You should have received a copy of the GNU General Public License        
+// along with eCos; if not, write to the Free Software Foundation, Inc.,    
+// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
+//
+// As a special exception, if other files instantiate templates or use      
+// macros or inline functions from this file, or you compile this file      
+// and link it with other works to produce a work based on this file,       
+// this file does not by itself cause the resulting work to be covered by   
+// the GNU General Public License. However the source code for this file    
+// must still be made available in accordance with section (3) of the GNU   
+// General Public License v2.                                               
+//
+// This exception does not invalidate any other reasons why a work based    
+// on this file might be covered by the GNU General Public License.         
+// -------------------------------------------                              
+// ####ECOSGPLCOPYRIGHTEND####                                              
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):    gthomas
+// Contributors: gthomas
+// Date:         2001-03-15
+// Purpose:      
+// Description:  Keypad driver for Compaq IPAQ
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================
+
+
+#include <pkgconf/devs_kbd_ipaq.h>
+
+#include <cyg/kernel/kapi.h>
+#include <cyg/hal/hal_io.h>
+#include <cyg/hal/hal_arch.h>
+#include <cyg/hal/drv_api.h>
+#include <cyg/hal/hal_intr.h>
+#include <cyg/hal/hal_sa11x0.h>
+#include <cyg/hal/ipaq.h>
+#include <cyg/infra/cyg_type.h>
+#include <cyg/infra/cyg_ass.h>
+
+#include <cyg/fileio/fileio.h>  // For select() functionality
+static cyg_selinfo      kbd_select_info; 
+static cyg_bool         kbd_select_active;
+
+#include <cyg/io/devtab.h>
+#include <cyg/hal/atmel_support.h>
+
+// Functions in this module
+
+static Cyg_ErrNo kbd_read(cyg_io_handle_t handle, 
+                          void *buffer, 
+                          cyg_uint32 *len);
+static cyg_bool  kbd_select(cyg_io_handle_t handle, 
+                            cyg_uint32 which, 
+                            cyg_addrword_t info);
+static Cyg_ErrNo kbd_set_config(cyg_io_handle_t handle, 
+                                cyg_uint32 key, 
+                                const void *buffer, 
+                                cyg_uint32 *len);
+static Cyg_ErrNo kbd_get_config(cyg_io_handle_t handle, 
+                                cyg_uint32 key, 
+                                void *buffer, 
+                                cyg_uint32 *len);
+static bool      kbd_init(struct cyg_devtab_entry *tab);
+static Cyg_ErrNo kbd_lookup(struct cyg_devtab_entry **tab, 
+                            struct cyg_devtab_entry *st, 
+                            const char *name);
+
+CHAR_DEVIO_TABLE(ipaq_kbd_handlers,
+                 NULL,                                   // Unsupported write() function
+                 kbd_read,
+                 kbd_select,
+                 kbd_get_config,
+                 kbd_set_config);
+
+CHAR_DEVTAB_ENTRY(ipaq_kbd_device,
+                  CYGDAT_DEVS_KBD_IPAQ_NAME,
+                  NULL,                                   // Base device name
+                  &ipaq_kbd_handlers,
+                  kbd_init,
+                  kbd_lookup,
+                  NULL);                                  // Private data pointer
+
+#define MAX_EVENTS CYGNUM_DEVS_KBD_IPAQ_EVENT_BUFFER_SIZE
+static int   num_events;
+static int   _event_put, _event_get;
+static unsigned char _events[MAX_EVENTS];
+
+static bool _is_open = false;
+
+//
+// Note: this routine is called from the Atmel processing DSR
+//
+static void
+kbd_handler(atmel_pkt *pkt)
+{
+    unsigned char *dp = pkt->data;
+    unsigned char *ev;
+
+//    diag_printf("KBD = %x\n", dp[1]);
+    if (num_events < MAX_EVENTS) {
+        num_events++;
+        ev = &_events[_event_put++];
+        if (_event_put == MAX_EVENTS) {
+            _event_put = 0;
+        }
+        *ev = dp[1];
+        if (kbd_select_active) {
+            kbd_select_active = false;
+            cyg_selwakeup(&kbd_select_info);
+        }
+    }
+}
+
+static Cyg_ErrNo 
+kbd_read(cyg_io_handle_t handle, 
+         void *buffer, 
+         cyg_uint32 *len)
+{
+    unsigned char *ev;
+    int tot = *len;
+    unsigned char *bp = (unsigned char *)buffer;
+
+    cyg_scheduler_lock();  // Prevent interaction with DSR code
+    while (tot >= sizeof(*ev)) {
+        if (num_events > 0) {
+            ev = &_events[_event_get++];
+            if (_event_get == MAX_EVENTS) {
+                _event_get = 0;
+            }
+            memcpy(bp, ev, sizeof(*ev));
+            bp += sizeof(*ev);
+            tot -= sizeof(*ev);
+            num_events--;
+        } else {
+            break;  // No more events
+        }
+    }
+    cyg_scheduler_unlock(); // Allow DSRs again
+    *len -= tot;
+    return ENOERR;
+}
+
+static cyg_bool  
+kbd_select(cyg_io_handle_t handle, 
+           cyg_uint32 which, 
+           cyg_addrword_t info)
+{
+    if (which == CYG_FREAD) {
+        cyg_scheduler_lock();  // Prevent interaction with DSR code
+        if (num_events > 0) {
+            cyg_scheduler_unlock();  // Reallow interaction with DSR code
+            return true;
+        }        
+        if (!kbd_select_active) {
+            kbd_select_active = true;
+            cyg_selrecord(info, &kbd_select_info);
+        }
+        cyg_scheduler_unlock();  // Reallow interaction with DSR code
+    }
+    return false;
+}
+
+static Cyg_ErrNo 
+kbd_set_config(cyg_io_handle_t handle, 
+               cyg_uint32 key, 
+               const void *buffer, 
+               cyg_uint32 *len)
+{
+    return EINVAL;
+}
+
+static Cyg_ErrNo 
+kbd_get_config(cyg_io_handle_t handle, 
+               cyg_uint32 key, 
+               void *buffer, 
+               cyg_uint32 *len)
+{
+    return EINVAL;
+}
+
+static bool      
+kbd_init(struct cyg_devtab_entry *tab)
+{
+    cyg_selinit(&kbd_select_info);
+    return true;
+}
+
+static Cyg_ErrNo 
+kbd_lookup(struct cyg_devtab_entry **tab, 
+           struct cyg_devtab_entry *st, 
+           const char *name)
+{
+    if (!_is_open) {
+        _is_open = true;
+        atmel_register(ATMEL_CMD_KEYBD, kbd_handler);
+        atmel_interrupt_mode(true);
+    }
+    return ENOERR;
+}