1/* $FreeBSD$ */ 2/* $NecBSD: ctvar.h,v 1.4.14.3 2001/06/20 06:13:34 honda Exp $ */ 3/* $NetBSD$ */ 4 5/*- 6 * [NetBSD for NEC PC-98 series] 7 * Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001 8 * NetBSD/pc98 porting staff. All rights reserved. 9 * Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001 10 * Naofumi HONDA. All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36#ifndef _CTVAR_H_ 37#define _CTVAR_H_ 38/* 39 * ctvar.h 40 * Generic wd33c93 chip driver's definitions 41 */ 42 43/***************************************************************** 44 * Host adapter structure 45 *****************************************************************/ 46struct ct_bus_access_handle { 47 bus_space_tag_t ch_iot; /* core chip ctrl port tag */ 48 bus_space_tag_t ch_delayt; /* delay port tag */ 49 bus_space_tag_t ch_datat; /* data port tag (pio) */ 50 bus_space_tag_t ch_memt; /* data port tag (shm) */ 51 52 bus_space_handle_t ch_ioh; 53 bus_space_handle_t ch_delaybah; 54 bus_space_handle_t ch_datah; 55 bus_space_handle_t ch_memh; 56 57 void (*ch_bus_weight)(struct ct_bus_access_handle *); 58 59#ifdef CT_USE_RELOCATE_OFFSET 60 bus_addr_t ch_offset[4]; 61#endif /* CT_USE_RELOCATE_OFFSET */ 62}; 63 64struct ct_softc { 65 struct scsi_low_softc sc_sclow; /* generic data */ 66 67 struct ct_bus_access_handle sc_ch; /* bus access handle */ 68 69 struct resource *port_res; 70 struct resource *mem_res; 71 struct resource *irq_res; 72 struct resource *drq_res; 73 74 bus_dma_tag_t sc_dmat; /* data DMA tag */ 75 bus_dmamap_t sc_dmamapt; /* data DMAMAP tag */ 76 77 void *sc_ih; 78 79 int sc_chiprev; /* chip version */ 80#define CT_WD33C93 0x00000 81#define CT_WD33C93_A 0x10000 82#define CT_AM33C93_A 0x10001 83#define CT_WD33C93_B 0x20000 84#define CT_WD33C93_C 0x30000 85 86 int sc_xmode; 87#define CT_XMODE_PIO 1 88#define CT_XMODE_DMA 2 89 90 int sc_dma; /* dma transfer start */ 91#define CT_DMA_PIOSTART 1 92#define CT_DMA_DMASTART 2 93 94 int sc_satgo; /* combination cmd start */ 95#define CT_SAT_GOING 1 96 97 int sc_tmaxcnt; 98 int sc_atten; /* attention */ 99 u_int8_t sc_creg; /* control register value */ 100 101 int sc_chipclk; /* chipclk 0, 10, 15, 20 */ 102 struct ct_synch_data { 103 u_int cs_period; 104 u_int cs_syncr; 105 } *sc_sdp; /* synchronous data table pt */ 106 107 struct ct_synch_data sc_default_sdt[16]; 108 109 /* 110 * Machdep stuff. 111 */ 112 void *ct_hw; /* point to bshw_softc etc ... */ 113 int (*ct_dma_xfer_start)(struct ct_softc *); 114 int (*ct_pio_xfer_start)(struct ct_softc *); 115 void (*ct_dma_xfer_stop)(struct ct_softc *); 116 void (*ct_pio_xfer_stop)(struct ct_softc *); 117 void (*ct_bus_reset)(struct ct_softc *); 118 void (*ct_synch_setup)(struct ct_softc *, struct targ_info *); 119}; 120 121/***************************************************************** 122 * Lun information 123 *****************************************************************/ 124struct ct_targ_info { 125 struct targ_info cti_ti; 126 127 u_int8_t cti_syncreg; 128}; 129 130/***************************************************************** 131 * PROTO 132 *****************************************************************/ 133int ctprobesubr(struct ct_bus_access_handle *, u_int, int, u_int, int *); 134void ctattachsubr(struct ct_softc *); 135int ctintr(void *); 136#endif /* !_CTVAR_H_ */ 137