projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| af5295ff | 1 | /* |
| ad787160 C |
2 | * Copyright (c) 1992, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| af5295ff KM |
4 | * |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc. | |
| 7 | * | |
| c0567266 KB |
8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| af5295ff KM |
35 | * |
| 36 | * from: $Hdr: scc.h,v 4.300 91/06/09 06:44:56 root Rel41 $ SONY | |
| 37 | * | |
| ad787160 | 38 | * @(#)scc.h 8.1 (Berkeley) 6/11/93 |
| af5295ff KM |
39 | */ |
| 40 | ||
| af5295ff | 41 | #ifdef news3400 |
| af5295ff | 42 | #define splscc spl4 |
| 2b435e14 | 43 | #endif |
| af5295ff KM |
44 | |
| 45 | #define SCCWAIT DELAY(2) | |
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46 | |
| 47 | #define SCC_REMOTE0 0 | |
| 48 | #define SCC_REMOTE1 1 | |
| 49 | #define SCC_REMOTE2 2 | |
| 50 | #define SCC_REMOTE3 3 | |
| 51 | #define SCC_REMOTE4 4 | |
| 52 | #define SCC_REMOTE5 5 | |
| 53 | #define SCC_REMOTE6 6 | |
| 54 | #define SCC_REMOTE7 7 | |
| 55 | #define SCC_REMOTE8 8 | |
| 56 | #define SCC_REMOTE9 9 | |
| 57 | ||
| 58 | #define SCCVEC0 64 | |
| 59 | #define SCCVEC1 (SCCVEC0+16) | |
| 60 | #define SCCVEC2 (SCCVEC0+32) | |
| 61 | #define SCCVEC3 (SCCVEC0+48) | |
| 62 | #define SCCVEC4 (SCCVEC0+64) | |
| 63 | ||
| 64 | /* | |
| 65 | * SCC channel control block | |
| 66 | */ | |
| 67 | typedef struct scc_dma { | |
| 68 | char *dma_addr; | |
| 69 | int dma_count; | |
| 70 | } Scc_dma; | |
| 71 | ||
| 72 | typedef struct scc_channel { | |
| 73 | int scc_status; /* channel status */ | |
| 74 | int scc_param; /* channel parameter */ | |
| 75 | struct scc_reg *scc_port; /* port address */ | |
| 76 | char *scc_init; /* initialize data */ | |
| 77 | int scc_vec; /* interrupt vector */ | |
| 78 | Scc_dma x_dma; | |
| 79 | Scc_dma r_dma; | |
| 80 | } Scc_channel; | |
| 81 | ||
| 82 | /* | |
| 83 | * SCC channel status | |
| 84 | */ | |
| 85 | #define OACTIVE 0x00000001 /* transmit in progress */ | |
| 86 | #define OSTOP 0x00000002 /* output stop request */ | |
| 87 | #define OFLUSH 0x00000004 /* output flush request */ | |
| 88 | #define OBUSY 0x00000008 /* output in use */ | |
| 89 | #define LINE_BREAK 0x00000010 /* line break interrupt */ | |
| 90 | #define ENABLE 0x00000020 /* receiver enable */ | |
| 91 | #define CHAN_ACTIVE 0x80000000 /* channel active */ | |
| 92 | ||
| 93 | /* | |
| 94 | * SCC channel usage | |
| 95 | */ | |
| 96 | #define SCC_MOUSE 0 | |
| 97 | #define SCC_KEYBOARD 1 |