Add the Cyclades serial driver code (ALPHA) from Andrew Werple and

adapted to FreeBSD by Heikki Suonsivu <hsu@cs.hut.fi>.
Submitted by:	Andrew Werple <andrew@werple.apana.org.au> and
		Heikki Suonsivu <hsu@cs.hut.fi>
Obtained from:	NetBSD

1 files changed, 121 insertions, 0 deletions

diff --git a/sys/dev/ic/cd1400.h b/sys/dev/ic/cd1400.h
new file mode 100644
index 000000000000..eb690ae5ab46
--- /dev/null
+++ b/sys/dev/ic/cd1400.h
@@ -0,0 +1,121 @@
+/*
+ * cyclades cyclom-y serial driver
+ *	Andrew Herbert <andrew@werple.apana.org.au>, 17 August 1993
+ *
+ * Copyright (c) 1993 Andrew Herbert.
+ * 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. The name Andrew Herbert may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ``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 I 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.
+ */
+
+#define CD1400_NO_OF_CHANNELS	4	/* four serial channels per chip */
+#define CD1400_FIFOSIZE		12	/* 12 chars */
+
+/* register definitions */
+
+#define CD1400_CCR		2*0x05	/* channel control */
+#define CD1400_CMD_RESET		0x81	/* full reset */
+
+#define CD1400_SRER		2*0x06	/* service request enable */
+
+#define CD1400_GFRCR		2*0x40	/* global firmware revision code */
+
+#define CD1400_LIVR		2*0x18	/* local intr vector */
+#define CD1400_MIVR		2*0x41	/* modem intr vector */
+#define CD1400_TIVR		2*0x42	/* transmit intr vector */
+#define CD1400_RIVR		2*0x43	/* receive intr vector */
+#define CD1400_RIVR_EXCEPTION		(1<<2)	/* receive exception bit */
+
+#define CD1400_RICR		2*0x44	/* receive intr channel */
+#define CD1400_TICR		2*0x45	/* transmit intr channel */
+#define CD1400_MICR		2*0x46	/* modem intr channel */
+
+#define CD1400_RDCR		2*0x0e	/* rx data count */
+
+#define CD1400_EOSRR		2*0x60	/* end of service request */
+#define CD1400_RDSR		2*0x62	/* rx data/status */
+#define CD1400_RDSR_OVERRUN		(1<<0)	/* rx overrun error */
+#define CD1400_RDSR_FRAMING		(1<<1)	/* rx framing error */
+#define CD1400_RDSR_PARITY		(1<<2)	/* rx parity error */
+#define CD1400_RDSR_BREAK		(1<<3)	/* rx break */
+#define CD1400_RDSR_SPECIAL		(7<<4)	/* rx special char */
+#define CD1400_RDSR_SPECIAL_SHIFT	4	/* rx special char shift */
+#define CD1400_RDSR_TIMEOUT		(1<<7)	/* rx timeout */
+
+#define CD1400_TDR		2*0x63	/* tx data */
+
+#define CD1400_MISR		2*0x4c	/* modem intr status */
+#define CD1400_MISR_DSRd		(1<<7)	/* DSR delta */
+#define CD1400_MISR_CTSd		(1<<6)	/* CTS delta */
+#define CD1400_MISR_RId			(1<<5)	/* RI delta */
+#define CD1400_MISR_CDd			(1<<4)	/* CD delta */
+
+#define CD1400_MSVR		2*0x6d	/* modem signals */
+#define CD1400_MSVR_DSR			(1<<7)	/* !DSR line */
+#define CD1400_MSVR_CTS			(1<<6)	/* !CTS line */
+#define CD1400_MSVR_RI			(1<<5)	/* !RI line */
+#define CD1400_MSVR_CD			(1<<4)	/* !CD line */
+#define CD1400_MSVR_DTR			(1<<1)	/* DTR line */
+
+#define CD1400_DTR		2*0x6d	/* dtr control */
+#define CD1400_DTR_CLEAR		0
+#define CD1400_DTR_SET			(1<<1)
+
+#define CD1400_PPR		2*0x7e
+#define CD1400_CLOCK_25_1MS		0x31
+
+#define CD1400_CAR		2*0x68	/* channel access */
+
+#define CD1400_RIR		2*0x6B	/* receive interrupt status */
+#define CD1400_TIR		2*0x6A	/* transmit interrupt status */
+#define CD1400_MIR		2*0x69	/* modem interrupt status */
+
+#define CD1400_RBPR		2*0x78	/* receive baud rate period */
+#define CD1400_RCOR		2*0x7C	/* receive clock option */
+#define CD1400_TBPR		2*0x72	/* transmit baud rate period */
+#define CD1400_TCOR		2*0x76	/* transmit clock option */
+
+#define CD1400_COR1		2*0x08	/* channel option 1 */
+#define CD1400_COR2		2*0x09	/* channel option 2 */
+#define CD1400_COR3		2*0x0A	/* channel option 3 */
+#define CD1400_COR4		2*0x1E	/* channel option 4 */
+#define CD1400_COR5		2*0x1F	/* channel option 5 */
+
+#define CD1400_SCHR1		2*0x1A	/* special character 1 */
+#define CD1400_SCHR2		2*0x1B	/* special character 2 */
+#define CD1400_SCHR3		2*0x1C	/* special character 3 */
+#define CD1400_SCHR4		2*0x1D	/* special character 4 */
+
+#define CD1400_MCOR1		2*0x15	/* modem change 1 */
+#define CD1400_MCOR2		2*0x16	/* modem change 2 */
+#define CD1400_RTPR		2*0x21	/* receive timeout period */
+
+#define CD1400_SVRR		2*0x67	/* service request */
+#define CD1400_SVRR_RX			(1<<0)
+#define CD1400_SVRR_TX			(1<<1)
+#define CD1400_SVRR_MDM			(1<<2)
+
+/* hardware SVCACK addresses, for use in interrupt handlers */
+#define CD1400_SVCACKR		0x100
+#define CD1400_SVCACKT		0x200
+#define CD1400_SVCACKM		0x300