[OpenBIOS] r367 - dev/usb2/hcd/uhci

Author: wmb
Date: 2007-05-07 23:32:22 +0200 (Mon, 07 May 2007)
New Revision: 367

Modified:
   dev/usb2/hcd/uhci/probe.fth
   dev/usb2/hcd/uhci/uhci.fth
Log:
USB - Added auto-reprobe feature to UHCI host controller driver.

Modified: dev/usb2/hcd/uhci/probe.fth
===================================================================
--- dev/usb2/hcd/uhci/probe.fth	2007-05-07 02:13:06 UTC (rev 366)
+++ dev/usb2/hcd/uhci/probe.fth	2007-05-07 21:32:22 UTC (rev 367)
@@ -29,21 +29,12 @@
 ;

external
-: power-usb-ports  ( -- )  ;
+: power-ports  ( -- )  ;

-: probe-usb  ( -- )
-   alloc-pkt-buf
-   2 0  do
-      i reset-root-hub-port
-      i ['] probe-root-hub-port catch  if
-         drop ." Failed to probe root port " i .d cr
-      then
-      i portsc@ i portsc!			\ Clear change bits
-   loop
-   free-pkt-buf
-;
+: probe-root-hub  ( -- )
+   \ Set active-package so device nodes can be added and removed
+   my-self ihandle>phandle push-package

-: reprobe-usb  ( -- )
    alloc-pkt-buf
    2 0  do
       i portsc@ h# a and  if
@@ -56,8 +47,35 @@
       then
    loop
    free-pkt-buf
+
+   pop-package
 ;

+: open  ( -- flag )
+   parse-my-args
+   open-count 0=  if
+      map-regs
+      first-open?  if
+         false to first-open?
+         reset-usb
+         init-struct
+         init-lists
+         start-usb
+      then
+      alloc-dma-buf
+
+      probe-root-hub
+   then
+   open-count 1+ to open-count
+   true
+;
+
+: close  ( -- )
+   open-count 1- to open-count
+   end-extra
+   open-count 0=  if  free-dma-buf unmap-regs  then
+;
+
 \ LICENSE_BEGIN
 \ Copyright (c) 2006 FirmWorks
 \

Modified: dev/usb2/hcd/uhci/uhci.fth
===================================================================
--- dev/usb2/hcd/uhci/uhci.fth	2007-05-07 02:13:06 UTC (rev 366)
+++ dev/usb2/hcd/uhci/uhci.fth	2007-05-07 21:32:22 UTC (rev 367)
@@ -53,6 +53,7 @@
 : portsc!     ( data port -- )  2* 10 + uhci-w!  ;

: reset-usb  ( -- )
+   uhci-reg dup 0=  if  map-regs  then
    4 usbcmd!			\ Global reset
    50 ms
    0 usbcmd!
@@ -63,6 +64,7 @@
       usbcmd@ 2 and  0=  ?leave
       1 ms
    loop
+   0=  if  unmap-regs  then
 ;

: (process-hc-status)  ( -- )
@@ -86,29 +88,6 @@
 : stop-usb  ( -- )  h# c0 usbcmd!  ;
 : suspend-usb   ( -- )  ;

-: open  ( -- flag )
-   parse-my-args
-   open-count 0=  if
-      map-regs
-      first-open?  if
-         false to first-open?
-         reset-usb
-         init-struct
-         init-lists
-         start-usb
-      then
-      alloc-dma-buf
-   then
-   open-count 1+ to open-count
-   true
-;
-
-: close  ( -- )
-   open-count 1- to open-count
-   end-extra
-   open-count 0=  if  free-dma-buf unmap-regs  then
-;
-
 \ LICENSE_BEGIN
 \ Copyright (c) 2006 FirmWorks
 \