update: Kernel.pas changes to align with USB implementation

- Kernel.pas updated to init USB devices & check for hotplug.
- USB Poll removed given USB stack is now interrupt driven.

compile_sources.sh

@@ -4,4 +4,4 @@ echo "======================="
 echo " "
 echo "Compiling FPC Sources..."
 echo " "
-fpc -Aelf -gw -g -gl -n -v0ew -O3 -OpPENTIUM3 -Si -Sc -Sg -Xd -CX -XXs -CfSSE -CfSSE2 -Rintel -Pi386 -Tlinux -FElib/ -Fusrc/* -Fusrc/driver/* -Fusrc/driver/net/* src/kernel.pas
+fpc -Aelf -gw -g -gl -n -v0ew -O3 -OpPENTIUM3 -Si -Sc -Sg -Xd -CX -XXs -CfSSE -CfSSE2 -Rintel -Pi386 -Tlinux -FElib/ -Fusrc/* -Fusrc/driver/* -Fusrc/driver/net/* -Fusrc/driver/bus/* -Fusrc/driver/bus/usb/* -Fusrc/driver/hid/* src/kernel.pas

src/driver/bus/EHCI.pas

@@ -1,65 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Bus->EHCI - Enhanced Host Controller Interface Driver.
-	
-	@author(Kieron Morris <[email protected]>)
-}
-unit EHCI;
-
-interface
-
-uses
-    tracer,
-    syslog,
-    PCI,
-    drivertypes,
-    pmemorymanager,
-    vmemorymanager,
-    util,
-    drivermanagement;
-
-function load : boolean;
-
-implementation
-
-function load : boolean;
-var
-    devices : TDeviceArray;
-    count   : uint32;
-    i       : uint32;
-
-begin
-    tracer.push_trace('EHCI.load');
-    devices:= PCI.getDeviceInfo($0C, $03, $20, count);
-    syslog.log('USB-EHCI Driver', 'Found ');
-    syslog.writeint(count);
-    syslog.writestringln(' USB Controller(s).');
-    if count > 0 then begin
-        for i:=0 to count-1 do begin
-            syslog.log('USB-EHCI Driver', 'Controller[');
-            syslog.writeint(i);
-            syslog.writestring(']: ');
-            syslog.writehex(devices[i].device_id);
-            syslog.writestring(' ');
-            syslog.writehex(devices[i].vendor_id);
-            syslog.writestring(' ');
-            syslog.writehexln(devices[i].prog_if);
-        end;
-    end;
-    load:= true;
-end;
-
-end.

src/driver/bus/OHCI.pas

@@ -1,96 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Bus->OHCI - Open Host Controller Interface Driver.
-	
-	@author(Kieron Morris <[email protected]>)
-}
-unit OHCI;
-
-interface
-
-uses
-    tracer,
-    syslog,
-    PCI,
-    drivertypes,
-    pmemorymanager,
-    vmemorymanager,
-    util,
-    drivermanagement;
-
-type
-    POHCI_MMR = ^TOHCI_MMR;
-    TOHCI_MMR = packed record
-        HcRevision : uint32;
-        HcControl  : uint32;
-        HcCommandStatus : uint32;
-        HcIntStatus  : uint32;
-        HcIntEnable  : uint32;
-        HcIntDisable : uint32;
-        HcHCCA : uint32;
-        HcPeriodCurrentED : uint32;
-        HcControlHeadED : uint32;
-        HcControlCurrentED : uint32;
-        HcBulkHeadED : uint32;
-        HcBulkCurrentED : uint32;
-        HcDoneHead : uint32;
-        HcFmRemaining : uint32;
-        HcFmNumber : uint32;
-        HcPeriodicStart : uint32;
-        HcLSThreshold : uint32;
-        HcRhDescriptorA : uint32;
-        HcRhDescriptorB : uint32;
-        HcRhStatus : uint32;
-    end;
-
-function load : boolean;
-
-implementation
-
-function load : boolean;
-var
-    devices : TDeviceArray;
-    count   : uint32;
-    i       : uint32;
-    block   : uint32;
-    MMR     : POHCI_MMR;
-
-begin
-    tracer.push_trace('OHCI.load');
-    devices:= PCI.getDeviceInfo($0C, $03, $10, count);
-    syslog.log('USB-OHCI Driver', 'Found ');
-    syslog.writeint(count);
-    syslog.writestringln(' USB Controller(s).');
-    if count > 0 then begin
-        for i:=0 to count-1 do begin
-            syslog.log('USB-OHCI Driver', 'Controller[');
-            syslog.writeint(i);
-            syslog.writestring(']: ');
-            syslog.writehex(devices[i].device_id);
-            syslog.writestring(' ');
-            syslog.writehex(devices[i].vendor_id);
-            syslog.writestring(' ');
-            syslog.writehexln(devices[i].prog_if);
-            block:= devices[i].address0 SHR 22;
-            force_alloc_block(block, 0);
-            map_page(block, block);
-            MMR:= POHCI_MMR(devices[i].address0);
-        end;
-    end;
-    load:= true;
-end;
-
-end.

src/driver/bus/PCI.pas

@@ -18,7 +18,7 @@
 	@author(Aaron Hance <[email protected]>)
 	@author(Kieron Morris <[email protected]>)
 }
-unit PCI;
+unit pci;
 
 interface
 

src/driver/bus/UHCI.pas

@@ -1,65 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Bus->UHCI - Universal Host Controller Interface Driver.
-	
-	@author(Kieron Morris <[email protected]>)
-}
-unit UHCI;
-
-interface
-
-uses
-    tracer,
-    syslog,
-    PCI,
-    drivertypes,
-    pmemorymanager,
-    vmemorymanager,
-    util,
-    drivermanagement;
-
-function load : boolean;
-
-implementation
-
-function load : boolean;
-var
-    devices : TDeviceArray;
-    count   : uint32;
-    i       : uint32;
-
-begin
-    tracer.push_trace('UHCI.load');
-    devices:= PCI.getDeviceInfo($0C, $03, $00, count);
-    syslog.log('USB-UHCI Driver','Found ');
-    syslog.writeint(count);
-    syslog.writestringln(' USB Controller(s).');
-    if count > 0 then begin
-        for i:=0 to count-1 do begin
-            syslog.log('USB-UHCI Driver','Controller[');
-            syslog.writeint(i);
-            syslog.writestring(']: ');
-            syslog.writehex(devices[i].device_id);
-            syslog.writestring(' ');
-            syslog.writehex(devices[i].vendor_id);
-            syslog.writestring(' ');
-            syslog.writehexln(devices[i].prog_if);
-        end;
-    end;
-    load:= true;
-end;
-
-end.

src/driver/bus/XHCI.pas

@@ -1,65 +0,0 @@
-//  Copyright 2021 Kieron Morris
-//
-//  Licensed under the Apache License, Version 2.0 (the "License");
-//  you may not use this file except in compliance with the License.
-//  You may obtain a copy of the License at
-//
-//  http://www.apache.org/licenses/LICENSE-2.0
-//
-//  Unless required by applicable law or agreed to in writing, software
-//  distributed under the License is distributed on an "AS IS" BASIS,
-//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-//  See the License for the specific language governing permissions and
-//  limitations under the License.
-
-{ 
-	Driver->Bus->XHCI - eXtensible Host Controller Interface Driver.
-	
-	@author(Kieron Morris <[email protected]>)
-}
-unit XHCI;
-
-interface
-
-uses
-    tracer,
-    syslog,
-    PCI,
-    drivertypes,
-    pmemorymanager,
-    vmemorymanager,
-    util,
-    drivermanagement;
-
-function load : boolean;
-
-implementation
-
-function load : boolean;
-var
-    devices : TDeviceArray;
-    count   : uint32;
-    i       : uint32;
-
-begin
-    tracer.push_trace('XHCI.load');
-    devices:= PCI.getDeviceInfo($0C, $03, $30, count);
-    syslog.log('USB-XHCI Driver', 'Found ');
-    syslog.writeint(count);
-    syslog.writestringln(' USB Controller(s).');
-    if count > 0 then begin
-        for i:=0 to count-1 do begin
-            syslog.log('USB-XHCI Driver', 'Controller[');
-            syslog.writeint(i);
-            syslog.writestring(']: ');
-            syslog.writehex(devices[i].device_id);
-            syslog.writestring(' ');
-            syslog.writehex(devices[i].vendor_id);
-            syslog.writestring(' ');
-            syslog.writehexln(devices[i].prog_if);
-        end;
-    end;
-    load:= true;
-end;
-
-end.

src/driver/bus/usb/USB.pas

@@ -17,7 +17,7 @@
 	
 	@author(Kieron Morris <kjm@kieronmorris.me>)
 }
-unit USB;
+unit usb;
 
 interface
 
@@ -30,6 +30,12 @@ uses
     vmemorymanager,
     util,
     drivermanagement,
+    usbtypes,
+    usbcore,
+    usbhub,
+    usb_keyboard,
+    usb_mouse,
+    usb_storage,
     OHCI, UHCI, EHCI, XHCI;
 
 procedure init;
@@ -40,24 +46,28 @@ function loadXHCI(ptr : void) : boolean;
 begin
     push_trace('USB.loadXHCI');
     loadXHCI:= XHCI.load;
+    pop_trace;
 end;
 
 function loadEHCI(ptr : void) : boolean;
 begin
     push_trace('USB.loadEHCI');
     loadEHCI:= EHCI.load;
+    pop_trace;
 end;
 
 function loadOHCI(ptr : void) : boolean;
 begin
     push_trace('USB.loadOHCI');
     loadOHCI:= OHCI.load;
+    pop_trace;
 end;
 
 function loadUHCI(ptr : void) : boolean;
 begin
     push_trace('USB.loadUHCI');
     loadUHCI:= UHCI.load;
+    pop_trace;
 end;
 
 procedure init;
@@ -70,6 +80,19 @@ var
 begin
     push_trace('USB.init');
     syslog.logln('USB Driver', 'INIT BEGIN.');
+
+    { Initialize USB core (HC list, etc.) }
+    usbcore.init;
+
+    { Initialize hub driver (registers class driver for $09) }
+    usbhub.init;
+
+    { Initialize HID class drivers }
+    usb_keyboard.init;
+    usb_mouse.init;
+
+    { Initialize storage class driver }
+    usb_storage.init;
     
     UHCI_ID.Bus:= biPCI;
     UHCI_ID.id0:= idANY;