| | 1 | /* $FreeBSD: src/sys/dev/ct/bshwvar.h,v 1.2.2.1 2001/07/26 02:32:18 nyan Exp $ */ |
| | 2 | /* $DragonFly: src/sys/dev/disk/ct/Attic/bshwvar.h,v 1.3 2003/08/27 10:35:16 rob Exp $ */ |
| | 3 | /* $NecBSD: bshwvar.h,v 1.3.14.3 2001/06/21 04:07:37 honda Exp $ */ |
| | 4 | /* $NetBSD$ */ |
| | 5 | |
| | 6 | /* |
| | 7 | * [NetBSD for NEC PC-98 series] |
| | 8 | * Copyright (c) 1994, 1995, 1996, 1997, 1998 |
| | 9 | * NetBSD/pc98 porting staff. All rights reserved. |
| | 10 | * |
| | 11 | * Redistribution and use in source and binary forms, with or without |
| | 12 | * modification, are permitted provided that the following conditions |
| | 13 | * are met: |
| | 14 | * 1. Redistributions of source code must retain the above copyright |
| | 15 | * notice, this list of conditions and the following disclaimer. |
| | 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 17 | * notice, this list of conditions and the following disclaimer in the |
| | 18 | * documentation and/or other materials provided with the distribution. |
| | 19 | * 3. The name of the author may not be used to endorse or promote products |
| | 20 | * derived from this software without specific prior written permission. |
| | 21 | * |
| | 22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| | 23 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| | 24 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| | 25 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| | 26 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| | 27 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| | 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| | 30 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| | 31 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| | 32 | * POSSIBILITY OF SUCH DAMAGE. |
| | 33 | */ |
| | 34 | #ifndef _BSHWVAR_H_ |
| | 35 | #define _BSHWVAR_H_ |
| | 36 | |
| | 37 | /* |
| | 38 | * bshwvar.h |
| | 39 | * NEC 55 compatible board specific definitions |
| | 40 | */ |
| | 41 | |
| | 42 | #define BSHW_DEFAULT_CHIPCLK 20 /* 20MHz */ |
| | 43 | #define BSHW_DEFAULT_HOSTID 7 |
| | 44 | |
| | 45 | struct bshw { |
| | 46 | #define BSHW_SYNC_RELOAD 0x01 |
| | 47 | #define BSHW_SMFIFO 0x02 |
| | 48 | #define BSHW_DOUBLE_DMACHAN 0x04 |
| | 49 | u_int hw_flags; |
| | 50 | u_int hw_sregaddr; |
| | 51 | |
| | 52 | int ((*hw_dma_init) (struct ct_softc *)); |
| | 53 | void ((*hw_dma_start) (struct ct_softc *)); |
| | 54 | void ((*hw_dma_stop) (struct ct_softc *)); |
| | 55 | }; |
| | 56 | |
| | 57 | struct bshw_softc { |
| | 58 | int sc_hostid; |
| | 59 | int sc_irq; /* irq */ |
| | 60 | int sc_drq; /* drq */ |
| | 61 | |
| | 62 | /* dma transfer */ |
| | 63 | u_int8_t *sc_segaddr; |
| | 64 | u_int8_t *sc_bufp; |
| | 65 | int sc_seglen; |
| | 66 | u_int sc_sdatalen; /* SMIT */ |
| | 67 | u_int sc_edatalen; /* SMIT */ |
| | 68 | |
| | 69 | /* private bounce */ |
| | 70 | u_int8_t *sc_bounce_phys; |
| | 71 | u_int8_t *sc_bounce_addr; |
| | 72 | u_int sc_bounce_size; |
| | 73 | bus_addr_t sc_minphys; |
| | 74 | |
| | 75 | /* io control */ |
| | 76 | #define BSHW_READ_INTERRUPT_DRIVEN 0x0001 |
| | 77 | #define BSHW_WRITE_INTERRUPT_DRIVEN 0x0002 |
| | 78 | #define BSHW_DMA_BLOCK 0x0010 |
| | 79 | #define BSHW_SMIT_BLOCK 0x0020 |
| | 80 | u_int sc_io_control; |
| | 81 | |
| | 82 | /* hardware */ |
| | 83 | struct bshw *sc_hw; |
| | 84 | void ((*sc_dmasync_before)) (struct ct_softc *); |
| | 85 | void ((*sc_dmasync_after)) (struct ct_softc *); |
| | 86 | }; |
| | 87 | |
| | 88 | void bshw_synch_setup (struct ct_softc *, struct targ_info *); |
| | 89 | void bshw_bus_reset (struct ct_softc *); |
| | 90 | int bshw_read_settings (struct ct_bus_access_handle *, struct bshw_softc *); |
| | 91 | int bshw_smit_xfer_start (struct ct_softc *); |
| | 92 | void bshw_smit_xfer_stop (struct ct_softc *); |
| | 93 | int bshw_dma_xfer_start (struct ct_softc *); |
| | 94 | void bshw_dma_xfer_stop (struct ct_softc *); |
| | 95 | |
| | 96 | extern struct dvcfg_hwsel bshw_hwsel; |
| | 97 | #endif /* !_BSHWVAR_H_ */ |
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