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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/linux/cd1400.h
downloadop-kernel-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.zip
op-kernel-dev-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.gz
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/linux/cd1400.h')
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1 files changed, 292 insertions, 0 deletions
diff --git a/include/linux/cd1400.h b/include/linux/cd1400.h
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+/*****************************************************************************/
+
+/*
+ * cd1400.h -- cd1400 UART hardware info.
+ *
+ * Copyright (C) 1996-1998 Stallion Technologies
+ * Copyright (C) 1994-1996 Greg Ungerer.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*****************************************************************************/
+#ifndef _CD1400_H
+#define _CD1400_H
+/*****************************************************************************/
+
+/*
+ * Define the number of async ports per cd1400 uart chip.
+ */
+#define CD1400_PORTS 4
+
+/*
+ * Define the cd1400 uarts internal FIFO sizes.
+ */
+#define CD1400_TXFIFOSIZE 12
+#define CD1400_RXFIFOSIZE 12
+
+/*
+ * Local RX FIFO thresh hold level. Also define the RTS thresh hold
+ * based on the RX thresh hold.
+ */
+#define FIFO_RXTHRESHOLD 6
+#define FIFO_RTSTHRESHOLD 7
+
+/*****************************************************************************/
+
+/*
+ * Define the cd1400 register addresses. These are all the valid
+ * registers with the cd1400. Some are global, some virtual, some
+ * per port.
+ */
+#define GFRCR 0x40
+#define CAR 0x68
+#define GCR 0x4b
+#define SVRR 0x67
+#define RICR 0x44
+#define TICR 0x45
+#define MICR 0x46
+#define RIR 0x6b
+#define TIR 0x6a
+#define MIR 0x69
+#define PPR 0x7e
+
+#define RIVR 0x43
+#define TIVR 0x42
+#define MIVR 0x41
+#define TDR 0x63
+#define RDSR 0x62
+#define MISR 0x4c
+#define EOSRR 0x60
+
+#define LIVR 0x18
+#define CCR 0x05
+#define SRER 0x06
+#define COR1 0x08
+#define COR2 0x09
+#define COR3 0x0a
+#define COR4 0x1e
+#define COR5 0x1f
+#define CCSR 0x0b
+#define RDCR 0x0e
+#define SCHR1 0x1a
+#define SCHR2 0x1b
+#define SCHR3 0x1c
+#define SCHR4 0x1d
+#define SCRL 0x22
+#define SCRH 0x23
+#define LNC 0x24
+#define MCOR1 0x15
+#define MCOR2 0x16
+#define RTPR 0x21
+#define MSVR1 0x6c
+#define MSVR2 0x6d
+#define PSVR 0x6f
+#define RBPR 0x78
+#define RCOR 0x7c
+#define TBPR 0x72
+#define TCOR 0x76
+
+/*****************************************************************************/
+
+/*
+ * Define the set of baud rate clock divisors.
+ */
+#define CD1400_CLK0 8
+#define CD1400_CLK1 32
+#define CD1400_CLK2 128
+#define CD1400_CLK3 512
+#define CD1400_CLK4 2048
+
+#define CD1400_NUMCLKS 5
+
+/*****************************************************************************/
+
+/*
+ * Define the clock pre-scalar value to be a 5 ms clock. This should be
+ * OK for now. It would probably be better to make it 10 ms, but we
+ * can't fit that divisor into 8 bits!
+ */
+#define PPR_SCALAR 244
+
+/*****************************************************************************/
+
+/*
+ * Define values used to set character size options.
+ */
+#define COR1_CHL5 0x00
+#define COR1_CHL6 0x01
+#define COR1_CHL7 0x02
+#define COR1_CHL8 0x03
+
+/*
+ * Define values used to set the number of stop bits.
+ */
+#define COR1_STOP1 0x00
+#define COR1_STOP15 0x04
+#define COR1_STOP2 0x08
+
+/*
+ * Define values used to set the parity scheme in use.
+ */
+#define COR1_PARNONE 0x00
+#define COR1_PARFORCE 0x20
+#define COR1_PARENB 0x40
+#define COR1_PARIGNORE 0x10
+
+#define COR1_PARODD 0x80
+#define COR1_PAREVEN 0x00
+
+#define COR2_IXM 0x80
+#define COR2_TXIBE 0x40
+#define COR2_ETC 0x20
+#define COR2_LLM 0x10
+#define COR2_RLM 0x08
+#define COR2_RTSAO 0x04
+#define COR2_CTSAE 0x02
+
+#define COR3_SCDRNG 0x80
+#define COR3_SCD34 0x40
+#define COR3_FCT 0x20
+#define COR3_SCD12 0x10
+
+/*
+ * Define values used by COR4.
+ */
+#define COR4_BRKINT 0x08
+#define COR4_IGNBRK 0x18
+
+/*****************************************************************************/
+
+/*
+ * Define the modem control register values.
+ * Note that the actual hardware is a little different to the conventional
+ * pin names on the cd1400.
+ */
+#define MSVR1_DTR 0x01
+#define MSVR1_DSR 0x10
+#define MSVR1_RI 0x20
+#define MSVR1_CTS 0x40
+#define MSVR1_DCD 0x80
+
+#define MSVR2_RTS 0x02
+#define MSVR2_DSR 0x10
+#define MSVR2_RI 0x20
+#define MSVR2_CTS 0x40
+#define MSVR2_DCD 0x80
+
+#define MCOR1_DCD 0x80
+#define MCOR1_CTS 0x40
+#define MCOR1_RI 0x20
+#define MCOR1_DSR 0x10
+
+#define MCOR2_DCD 0x80
+#define MCOR2_CTS 0x40
+#define MCOR2_RI 0x20
+#define MCOR2_DSR 0x10
+
+/*****************************************************************************/
+
+/*
+ * Define the bits used with the service (interrupt) enable register.
+ */
+#define SRER_NNDT 0x01
+#define SRER_TXEMPTY 0x02
+#define SRER_TXDATA 0x04
+#define SRER_RXDATA 0x10
+#define SRER_MODEM 0x80
+
+/*****************************************************************************/
+
+/*
+ * Define operational commands for the command register.
+ */
+#define CCR_RESET 0x80
+#define CCR_CORCHANGE 0x4e
+#define CCR_SENDCH 0x20
+#define CCR_CHANCTRL 0x10
+
+#define CCR_TXENABLE (CCR_CHANCTRL | 0x08)
+#define CCR_TXDISABLE (CCR_CHANCTRL | 0x04)
+#define CCR_RXENABLE (CCR_CHANCTRL | 0x02)
+#define CCR_RXDISABLE (CCR_CHANCTRL | 0x01)
+
+#define CCR_SENDSCHR1 (CCR_SENDCH | 0x01)
+#define CCR_SENDSCHR2 (CCR_SENDCH | 0x02)
+#define CCR_SENDSCHR3 (CCR_SENDCH | 0x03)
+#define CCR_SENDSCHR4 (CCR_SENDCH | 0x04)
+
+#define CCR_RESETCHAN (CCR_RESET | 0x00)
+#define CCR_RESETFULL (CCR_RESET | 0x01)
+#define CCR_TXFLUSHFIFO (CCR_RESET | 0x02)
+
+#define CCR_MAXWAIT 10000
+
+/*****************************************************************************/
+
+/*
+ * Define the valid acknowledgement types (for hw ack cycle).
+ */
+#define ACK_TYPMASK 0x07
+#define ACK_TYPTX 0x02
+#define ACK_TYPMDM 0x01
+#define ACK_TYPRXGOOD 0x03
+#define ACK_TYPRXBAD 0x07
+
+#define SVRR_RX 0x01
+#define SVRR_TX 0x02
+#define SVRR_MDM 0x04
+
+#define ST_OVERRUN 0x01
+#define ST_FRAMING 0x02
+#define ST_PARITY 0x04
+#define ST_BREAK 0x08
+#define ST_SCHAR1 0x10
+#define ST_SCHAR2 0x20
+#define ST_SCHAR3 0x30
+#define ST_SCHAR4 0x40
+#define ST_RANGE 0x70
+#define ST_SCHARMASK 0x70
+#define ST_TIMEOUT 0x80
+
+#define MISR_DCD 0x80
+#define MISR_CTS 0x40
+#define MISR_RI 0x20
+#define MISR_DSR 0x10
+
+/*****************************************************************************/
+
+/*
+ * Defines for the CCSR status register.
+ */
+#define CCSR_RXENABLED 0x80
+#define CCSR_RXFLOWON 0x40
+#define CCSR_RXFLOWOFF 0x20
+#define CCSR_TXENABLED 0x08
+#define CCSR_TXFLOWON 0x04
+#define CCSR_TXFLOWOFF 0x02
+
+/*****************************************************************************/
+
+/*
+ * Define the embedded commands.
+ */
+#define ETC_CMD 0x00
+#define ETC_STARTBREAK 0x81
+#define ETC_DELAY 0x82
+#define ETC_STOPBREAK 0x83
+
+/*****************************************************************************/
+#endif
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