From a946aac7baf9771e87a48624a9250dda6079d894 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Wed, 30 Nov 2011 06:46:03 -0300
Subject: [PATCH] m1/patches/rtems/: added Milkymist-specific USB-MIDI
 forwarding

---
 m1/patches/rtems/milkymist-usb-midi.patch | 47 +++++++++++++++++++++++
 m1/patches/rtems/series                   |  1 +
 2 files changed, 48 insertions(+)
 create mode 100644 m1/patches/rtems/milkymist-usb-midi.patch

diff --git a/m1/patches/rtems/milkymist-usb-midi.patch b/m1/patches/rtems/milkymist-usb-midi.patch
new file mode 100644
index 0000000..de0d025
--- /dev/null
+++ b/m1/patches/rtems/milkymist-usb-midi.patch
@@ -0,0 +1,47 @@
+Index: rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/comloc.h
+===================================================================
+--- rtems.orig/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/comloc.h	2011-11-30 05:40:59.000000000 -0300
++++ rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/comloc.h	2011-11-30 05:41:26.000000000 -0300
+@@ -22,5 +22,7 @@
+ #define COMLOC_MEVT(offset) COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1102+offset)
+ #define COMLOC_KEVT_PRODUCE	COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1142)
+ #define COMLOC_KEVT(offset)	COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1143+offset)
++#define COMLOC_MIDI_PRODUCE	COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1183)
++#define COMLOC_MIDI(offset)	COMLOCV(MM_SOFTUSB_DMEM_BASE+0x1184+offset)
+ 
+ #endif /* __COMLOC_H_ */
+Index: rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/usbinput.c
+===================================================================
+--- rtems.orig/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/usbinput.c	2011-11-30 05:38:19.000000000 -0300
++++ rtems/c/src/lib/libbsp/lm32/shared/milkymist_usbinput/usbinput.c	2011-11-30 05:40:54.000000000 -0300
+@@ -35,6 +35,7 @@
+ 
+ static int mouse_consume;
+ static int keyboard_consume;
++static int midi_consume;
+ 
+ static rtems_id event_q;
+ 
+@@ -58,6 +59,14 @@
+     rtems_message_queue_send(event_q, msg, 8);
+     keyboard_consume = (keyboard_consume + 1) & 0x07;
+   }
++
++  while(midi_consume != COMLOC_MIDI_PRODUCE) {
++    for(i=0;i<3;i++)
++      msg[i] = COMLOC_MIDI(4*midi_consume+i+1);
++    rtems_message_queue_send(event_q, msg, 3);
++    midi_consume = (midi_consume + 1) & 0x0f;
++  }
++
+ }
+ 
+ rtems_device_driver usbinput_initialize(
+@@ -87,6 +96,7 @@
+ 
+   mouse_consume = 0;
+   keyboard_consume = 0;
++  midi_consume = 0;
+ 
+   sc = rtems_io_register_name(DEVICE_NAME, major, 0);
+   RTEMS_CHECK_SC(sc, "create USB input device");
diff --git a/m1/patches/rtems/series b/m1/patches/rtems/series
index 85882f5..12bb962 100644
--- a/m1/patches/rtems/series
+++ b/m1/patches/rtems/series
@@ -14,3 +14,4 @@
 # milkymist-map-sysfreq.patch	- applied 2011-11-27
 # milkymist-videoformat.patch	- applied 2011-11-27
 #fix-timer-includes.patch
+milkymist-usb-midi.patch