projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 984263bc MD |
1 | /* ascreg.h - port and bit definitions for the GI-1904 interface |
| 2 | * | |
| 3 | * Copyright (c) 1995 Gunther Schadow. All rights reserved. | |
| 4 | * Copyright (c) 1995 Luigi Rizzo. All rights reserved. | |
| 5 | * | |
| 6 | * Redistribution and use in source and binary forms, with or without | |
| 7 | * modification, are permitted provided that the following conditions | |
| 8 | * are met: | |
| 9 | * 1. Redistributions of source code must retain the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer. | |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer in the | |
| 13 | * documentation and/or other materials provided with the distribution. | |
| 14 | * 3. All advertising materials mentioning features or use of this software | |
| 15 | * must display the following acknowledgement: | |
| 16 | * This product includes software developed by Gunther Schadow. | |
| 17 | * and Luigi Rizzo | |
| 18 | * 4. The name of the author may not be used to endorse or promote products | |
| 19 | * derived from this software without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
| 22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
| 23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 25 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 26 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 30 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 | */ | |
| 32 | ||
| 33 | /* | |
| 34 | * $FreeBSD: src/sys/i386/isa/ascreg.h,v 1.5 1999/08/28 00:44:37 peter Exp $ | |
| 1de703da | 35 | * $DragonFly: src/sys/platform/pc32/isa/ascreg.h,v 1.2 2003/06/17 04:28:36 dillon Exp $ |
| 984263bc MD |
36 | */ |
| 37 | ||
| 38 | /*** Registers (base=3EB): ************/ | |
| 39 | #define ASC_CFG (scu->base) | |
| 40 | /*** ASC_CFG 3EB: configuration register. Write only, mirror in RAM | |
| 41 | *** 7 6 5 4 3 2 1 0 | |
| 42 | *** - - I_5 I_3 I10 D_3 - D_1 | |
| 43 | ***/ | |
| 44 | /*** #define ASC_CNF_MASK 0x3D */ /* was 0x5a */ | |
| 45 | #define ASC_CNF_DMA1 0x01 /* was (~0x02 & ASC_CNF_MASK) */ | |
| 46 | #define ASC_CNF_DMA3 0x04 /* was (~0x08 & ASC_CNF_MASK) */ | |
| 47 | #define ASC_CNF_IRQ3 0x10 /* was (~0x10 & ASC_CNF_MASK) */ | |
| 48 | #define ASC_CNF_IRQ5 0x20 /* was (~0x40 & ASC_CNF_MASK) */ | |
| 49 | #define ASC_CNF_IRQ10 0x08 /* was (~0x40 & ASC_CNF_MASK) */ | |
| 50 | ||
| 51 | /*** ASC_STAT 3EC: command/status; rw, mirror in ram | |
| 52 | *** 7 6 5 4 3 2 1 0 | |
| 53 | *** BSY - - - - - - - | |
| 54 | *** [<-- Resolution -->] 13h,10h,0eh,0ch,09h, 07h, 04h, 02h | |
| 55 | ***/ | |
| 56 | #define ASC_STAT (scu->base + 1) | |
| 57 | ||
| 58 | #define ASC_RDY_FLAG 0x80 | |
| 59 | #define ASC_RES_MASK 0x3f | |
| 60 | #define ASC_RES_800 0x13 | |
| 61 | #define ASC_RES_700 0x10 | |
| 62 | #define ASC_RES_600 0x0e | |
| 63 | #define ASC_RES_500 0x0c | |
| 64 | #define ASC_RES_400 0x09 /* 0x00 */ | |
| 65 | #define ASC_RES_300 0x07 /* 0x04 */ | |
| 66 | #define ASC_RES_200 0x04 /* 0x20 */ | |
| 67 | #define ASC_RES_100 0x02 /* 0x24 */ | |
| 68 | ||
| 69 | /*** ASC_CMD 3EC: command/status; rw, mirror in ram | |
| 70 | *** W: 7 6 5 4 3 2 1 0 | |
| 71 | *** . - - . . . . . | |
| 72 | *** b0: 1: light on & get resolution, 0: light off | |
| 73 | *** b1: 0: load scan len (sub_16, with b4=1, b7=1) | |
| 74 | *** b2: 1/0 : dma stuff | |
| 75 | *** b3: 0/1 : dma stuff | |
| 76 | *** b4: 1 : load scan len (sub_16, with b1=0, b7=1) | |
| 77 | *** b5: ? | |
| 78 | *** b6: ? | |
| 79 | *** b7: ? : set at beginning of sub_16 | |
| 80 | ***/ | |
| 81 | #define ASC_CMD (scu->base + 1) | |
| 82 | ||
| 83 | #define ASC_LIGHT_ON 0x01 | |
| 84 | #define ASC_SET_B2 0x04 | |
| 85 | #define ASC_OPERATE 0x91 /* from linux driver... */ | |
| 86 | #define ASC_STANDBY 0x05 /* from linux driver... */ | |
| 87 | ||
| 88 | /*** ASC_LEN_L, ASC_LEN_H 3ED, 3EE: transfer length, lsb first ***/ | |
| 89 | #define ASC_LEN_L ((scu->base)+2) | |
| 90 | #define ASC_LEN_H ((scu->base)+3) | |
| 91 | ||
| 92 | /*** 3EE ASC_PROBE (must read ASC_PROBE_VALUE) ***/ | |
| 93 | #define ASC_PROBE ((scu->base)+3) | |
| 94 | #define ASC_PROBE_VALUE 0xA5 | |
| 95 | ||
| 96 | /*** ASC_BOH 3EF: always write 0 at the moment, read some values ? ***/ | |
| 97 | #define ASC_BOH ((scu->base)+4) |