Move i8042 and usrinput into common input directory.

In anticipation of having more user input drivers in the future, create a
top level input directory within drivers, and then move i8042 and usrinput
into there.

README.md

@@ -75,7 +75,7 @@ Below is a brief orientation of a few of the directories in the repository. Chec
      * `usbkbd` - USB keyboard support
      * `usbmass` - USB mass storage support
      * `usbmouse` - USB mouse support
-   * `usrinput` - User input device support
+   * `input` - User input drivers
    * `videocon` - Video terminal console driver
  * `images` - Recipes to create the final images for each supported platform
  * `include` - Public header files

drivers/Makefile

@@ -33,7 +33,7 @@ DIRS = acpi      \
        dma       \
        fat       \
        gpio      \
-       i8042     \
+       input     \
        net       \
        null      \
        part      \
@@ -46,13 +46,12 @@ DIRS = acpi      \
        special   \
        term      \
        usb       \
-       usrinput  \
        videocon  \
 
 include $(SRCROOT)/os/minoca.mk
 
-i8042 usb: usrinput
+usb: input
 ata usb: part
 net: usb
-plat: usrinput spb
+plat: input spb
 

drivers/build.ck

@@ -39,7 +39,7 @@ function build() {
         "drivers/ata:ata",
         "drivers/devrem:devrem",
         "drivers/fat:fat",
-        "drivers/i8042:i8042",
+        "drivers/input:input_drivers,"
         "drivers/net:net_drivers",
         "drivers/null:null",
         "drivers/part:part",

drivers/input/Makefile

@@ -0,0 +1,36 @@
+################################################################################
+#
+#   Copyright (c) 2017 Minoca Corp.
+#
+#    This file is licensed under the terms of the GNU General Public License
+#    version 3. Alternative licensing terms are available. Contact
+#    [email protected] for details. See the LICENSE file at the root of this
+#    project for complete licensing information.
+#
+#   Module Name:
+#
+#       Input
+#
+#   Abstract:
+#
+#       This directory contains User Input related drivers.
+#
+#   Author:
+#
+#       Evan Green 28-Apr-2017
+#
+#   Environment:
+#
+#       Kernel
+#
+################################################################################
+
+INPUT_DEVICE_DRIVERS := i8042 \
+
+DIRS = usrinput                \
+       $(INPUT_DEVICE_DRIVERS) \
+
+include $(SRCROOT)/os/minoca.mk
+
+$(INPUT_DEVICE_DRIVERS): usrinput
+

drivers/input/build.ck

@@ -0,0 +1,41 @@
+/*++
+
+Copyright (c) 2017 Minoca Corp.
+
+    This file is licensed under the terms of the GNU General Public License
+    version 3. Alternative licensing terms are available. Contact
+    [email protected] for details. See the LICENSE file at the root of this
+    project for complete licensing information.
+
+Module Name:
+
+    Input
+
+Abstract:
+
+    This directory contains user input related drivers.
+
+Author:
+
+    Evan Green 28-Apr-2017
+
+Environment:
+
+    Kernel
+
+--*/
+
+from menv import group;
+
+function build() {
+    var entries;
+    var inputDrivers;
+
+    inputDrivers = [
+        "drivers/input/i8042:i8042"
+    ];
+
+    entries = group("input_drivers", inputDrivers);
+    return entries;
+}
+

drivers/i8042/build.ck → drivers/input/i8042/build.ck

@@ -41,7 +41,7 @@ function build() {
     ];
 
     dynlibs = [
-        "drivers/usrinput:usrinput"
+        "drivers/input/usrinput:usrinput"
     ];
 
     drv = {

drivers/i8042/pl050/build.ck → drivers/input/i8042/pl050/build.ck

@@ -37,11 +37,11 @@ function build() {
 
     sources = [
         "pl050.c",
-        "drivers/i8042:scancode.o"
+        "drivers/input/i8042:scancode.o"
     ];
 
     dynlibs = [
-        "drivers/usrinput:usrinput"
+        "drivers/input/usrinput:usrinput"
     ];
 
     drv = {