Gunther Schadow <gusw@fub46.zedat.fu-berlin.de>'s

driver for the Genius GS-4500 hand scanner.
Submitted by:	gusw@fub46.zedat.fu-berlin.de

1 files changed, 87 insertions, 0 deletions

diff --git a/sys/i386/isa/gscreg.h b/sys/i386/isa/gscreg.h
new file mode 100644
index 0000000..f8cafcd
--- /dev/null
+++ b/sys/i386/isa/gscreg.h
@@ -0,0 +1,87 @@
+/* gscreg.h - port and bit definitions for the Genius GS-4500 interface 
+ *
+ *
+ * Copyright (c) 1995 Gunther Schadow.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Gunther Schadow.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * status register (r)
+ */
+
+/* the DMA/IRQ jumper configuration */
+
+#define GSC_CNF_MASK  0x5a
+
+#define GSC_CNF_DMA1 (~0x02 & GSC_CNF_MASK)
+#define GSC_CNF_DMA3 (~0x08 & GSC_CNF_MASK)
+#define GSC_CNF_IRQ3 (~0x10 & GSC_CNF_MASK)
+#define GSC_CNF_IRQ5 (~0x40 & GSC_CNF_MASK)
+
+/* the resolution switch setting */
+
+#define GSC_RES_MASK  0x24
+
+#define GSC_RES_400   0x00
+#define GSC_RES_300   0x04
+#define GSC_RES_200   0x20
+#define GSC_RES_100   0x24
+
+/* other flags */
+
+#define GSC_RDY_FLAG  0x80
+
+#define GSC_IRQ_FLAG  0x01
+
+/*
+ * control register (w)
+ */
+
+/* power on */
+
+#define GSC_POWER_ON  0x01
+
+/* pixel per line count */
+
+#define GSC_CNT_MASK  0xf0
+
+#define GSC_CNT_3648  0x30
+#define GSC_CNT_2544  0x90
+#define GSC_CNT_1696  0xb0
+#define GSC_CNT_1648  0xe0
+#define GSC_CNT_1264  0x80
+#define GSC_CNT_840   0xa0
+#define GSC_CNT_424   0xf0
+
+/*
+ * port addresses
+ */
+
+#define GSC_DATA(iob) (iob + (iob == 0x270 ? 0x02 : 0x01))
+#define GSC_STAT(iob) (iob + (iob == 0x270 ? 0x03 : 0x02))
+#define GSC_CTRL(iob) (iob + (iob == 0x270 ? 0x0a : 0x03))
+#define GSC_CLRP(iob) (iob + (iob == 0x270 ? 0x0b : 0x04))