Deleted Added
full compact
sioreg.h (112384) sioreg.h (120116)
1/*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)comreg.h 7.2 (Berkeley) 5/9/91
1/*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 17 unchanged lines hidden (view full) ---

26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)comreg.h 7.2 (Berkeley) 5/9/91
34 * $FreeBSD: head/sys/dev/sio/sioreg.h 112384 2003-03-18 21:26:28Z sobomax $
34 * $FreeBSD: head/sys/dev/sio/sioreg.h 120116 2003-09-16 08:08:08Z bde $
35 */
36
37/* Receiver clock frequency for "standard" pc serial ports. */
38#define DEFAULT_RCLK 1843200
39
35 */
36
37/* Receiver clock frequency for "standard" pc serial ports. */
38#define DEFAULT_RCLK 1843200
39
40/* interrupt enable register */
41#define IER_ERXRDY 0x1
42#define IER_ETXRDY 0x2
43#define IER_ERLS 0x4
44#define IER_EMSC 0x8
45
46/* interrupt identification register */
47#define IIR_IMASK 0xf
48#define IIR_RXTOUT 0xc
49#define IIR_RLS 0x6
50#define IIR_RXRDY 0x4
51#define IIR_TXRDY 0x2
52#define IIR_NOPEND 0x1
53#define IIR_MLSC 0x0
54#define IIR_FIFO_MASK 0xc0 /* set if FIFOs are enabled */
55
56/* fifo control register */
57#define FIFO_ENABLE 0x01
58#define FIFO_RCV_RST 0x02
59#define FIFO_XMT_RST 0x04
60#define FIFO_DMA_MODE 0x08
61#define FIFO_RX_LOW 0x00
62#define FIFO_RX_MEDL 0x40
63#define FIFO_RX_MEDH 0x80
64#define FIFO_RX_HIGH 0xc0
65
66/* character format control register (aka line control register) */
67#define CFCR_DLAB 0x80
68#define CFCR_SBREAK 0x40
69#define CFCR_PZERO 0x30
70#define CFCR_PONE 0x20
71#define CFCR_PEVEN 0x10
72#define CFCR_PODD 0x00
73#define CFCR_PENAB 0x08
74#define CFCR_STOPB 0x04
75#define CFCR_8BITS 0x03
76#define CFCR_7BITS 0x02
77#define CFCR_6BITS 0x01
78#define CFCR_5BITS 0x00
79#define CFCR_EFR_ENABLE 0xbf /* magic to enable EFR on 16650 up */
80
81/* modem control register */
82#define MCR_PRESCALE 0x80 /* only available on 16650 up */
83#define MCR_LOOPBACK 0x10
84#define MCR_IENABLE 0x08
85#define MCR_DRS 0x04
86#define MCR_RTS 0x02
87#define MCR_DTR 0x01
88
89/* line status register */
90#define LSR_RCV_FIFO 0x80
91#define LSR_TSRE 0x40
92#define LSR_TXRDY 0x20
93#define LSR_BI 0x10
94#define LSR_FE 0x08
95#define LSR_PE 0x04
96#define LSR_OE 0x02
97#define LSR_RXRDY 0x01
98#define LSR_RCV_MASK 0x1f
99
100/* modem status register */
101#define MSR_DCD 0x80
102#define MSR_RI 0x40
103#define MSR_DSR 0x20
104#define MSR_CTS 0x10
105#define MSR_DDCD 0x08
106#define MSR_TERI 0x04
107#define MSR_DDSR 0x02
108#define MSR_DCTS 0x01
109
110/* enhanced feature register (only available on 16650 up) */
111#define com_efr com_fifo
112#define EFR_EFE 0x10 /* enhanced functions enable */
113
114#ifdef PC98
115/* Hardware extension mode register for RSB-2000/3000. */
116#define com_emr com_msr
117#define EMR_EXBUFF 0x04
118#define EMR_CTSFLW 0x08
119#define EMR_DSRFLW 0x10
120#define EMR_RTSFLW 0x20
121#define EMR_DTRFLW 0x40
122#define EMR_EFMODE 0x80
123#endif
124
125/* speed to initialize to during chip tests */
126#define SIO_TEST_SPEED 9600
127
128/* default serial console speed if not set with sysctl or probed from boot */
129#ifndef CONSPEED
130#define CONSPEED 9600
131#endif
132
133/* default serial gdb speed if not set with sysctl or probed from boot */
134#ifndef GDBSPEED
135#define GDBSPEED CONSPEED
136#endif
137
138#define IO_COMSIZE 8 /* 8250, 16x50 com controllers */
40/* speed to initialize to during chip tests */
41#define SIO_TEST_SPEED 9600
42
43/* default serial console speed if not set with sysctl or probed from boot */
44#ifndef CONSPEED
45#define CONSPEED 9600
46#endif
47
48/* default serial gdb speed if not set with sysctl or probed from boot */
49#ifndef GDBSPEED
50#define GDBSPEED CONSPEED
51#endif
52
53#define IO_COMSIZE 8 /* 8250, 16x50 com controllers */