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authorrgrimes <rgrimes@FreeBSD.org>1993-06-12 14:58:17 +0000
committerrgrimes <rgrimes@FreeBSD.org>1993-06-12 14:58:17 +0000
commit25062ba061871945759b3baa833fe64969383e40 (patch)
tree2d1c31051ed0dbaad984013c9fe695b1a01e1c39 /sys/dev/ic
parentf078b88a160c467761b3f3641f05dfd0aa3f7753 (diff)
downloadFreeBSD-src-25062ba061871945759b3baa833fe64969383e40.zip
FreeBSD-src-25062ba061871945759b3baa833fe64969383e40.tar.gz
Initial import, 0.1 + pk 0.2.4-B1
Diffstat (limited to 'sys/dev/ic')
-rw-r--r--sys/dev/ic/i8237.h9
-rw-r--r--sys/dev/ic/nec765.h71
-rw-r--r--sys/dev/ic/ns16550.h50
3 files changed, 130 insertions, 0 deletions
diff --git a/sys/dev/ic/i8237.h b/sys/dev/ic/i8237.h
new file mode 100644
index 0000000..dc269f2
--- /dev/null
+++ b/sys/dev/ic/i8237.h
@@ -0,0 +1,9 @@
+/*
+ * Intel 8237 DMA Controller
+ */
+
+#define DMA37MD_SINGLE 0x40 /* single pass mode */
+#define DMA37MD_CASCADE 0xc0 /* cascade mode */
+#define DMA37MD_WRITE 0x04 /* read the device, write memory operation */
+#define DMA37MD_READ 0x08 /* write the device, read memory operation */
+
diff --git a/sys/dev/ic/nec765.h b/sys/dev/ic/nec765.h
new file mode 100644
index 0000000..b84b46e
--- /dev/null
+++ b/sys/dev/ic/nec765.h
@@ -0,0 +1,71 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * 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 the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ * @(#)nec765.h 7.1 (Berkeley) 5/9/91
+ */
+
+/*
+ * Nec 765 floppy disc controller definitions
+ */
+
+/* Main status register */
+#define NE7_DAB 0x01 /* Diskette drive A is seeking, thus busy */
+#define NE7_DBB 0x02 /* Diskette drive B is seeking, thus busy */
+#define NE7_CB 0x10 /* Diskette Controller Busy */
+#define NE7_NDM 0x20 /* Diskette Controller in Non Dma Mode */
+#define NE7_DIO 0x40 /* Diskette Controller Data register I/O */
+#define NE7_RQM 0x80 /* Diskette Controller ReQuest for Master */
+
+/* Status register ST0 */
+#define NE7_ST0BITS "\020\010invld\007abnrml\006seek_cmplt\005drv_chck\004drive_rdy\003top_head"
+
+/* Status register ST1 */
+#define NE7_ST1BITS "\020\010end_of_cyl\006bad_crc\005data_overrun\003sec_not_fnd\002write_protect\001no_am"
+
+/* Status register ST2 */
+#define NE7_ST2BITS "\020\007ctrl_mrk\006bad_crc\005wrong_cyl\004scn_eq\003scn_not_fnd\002bad_cyl\001no_dam"
+
+/* Status register ST3 */
+#define NE7_ST3BITS "\020\010fault\007write_protect\006drdy\005tk0\004two_side\003side_sel\002"
+
+/* Commands */
+#define NE7CMD_SPECIFY 3 /* specify drive parameters - requires unit
+ parameters byte */
+#define NE7CMD_SENSED 4 /* sense drive - requires unit select byte */
+#define NE7CMD_WRITE 0xc5 /* write - requires eight additional bytes */
+#define NE7CMD_READ 0xe6 /* read - requires eight additional bytes */
+#define NE7CMD_FORMAT 0x4c /* format - requires five additional bytes */
+#define NE7CMD_RECAL 7 /* recalibrate drive - requires
+ unit select byte */
+#define NE7CMD_SENSEI 8 /* sense controller interrupt status */
+#define NE7CMD_SEEK 15 /* seek drive - requires unit select byte
+ and new cyl byte */
diff --git a/sys/dev/ic/ns16550.h b/sys/dev/ic/ns16550.h
new file mode 100644
index 0000000..e20e9aa
--- /dev/null
+++ b/sys/dev/ic/ns16550.h
@@ -0,0 +1,50 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * 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 the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ * @(#)ns16550.h 7.1 (Berkeley) 5/9/91
+ */
+
+/*
+ * NS16550 UART registers
+ */
+
+#define com_data 0 /* data register (R/W) */
+#define com_dlbl 0 /* divisor latch low (W) */
+#define com_dlbh 1 /* divisor latch high (W) */
+#define com_ier 1 /* interrupt enable (W) */
+#define com_iir 2 /* interrupt identification (R) */
+#define com_fifo 2 /* FIFO control (W) */
+#define com_lctl 3 /* line control register (R/W) */
+#define com_cfcr 3 /* line control register (R/W) */
+#define com_mcr 4 /* modem control register (R/W) */
+#define com_lsr 5 /* line status register (R/W) */
+#define com_msr 6 /* modem status register (R/W) */
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