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 *****************************************************************/ 46 struct ct_bus_access_handle { 47 struct resource *ch_io; /* core chip ctrl port */ 48 struct resource *ch_mem; /* data port (shm) */ 49 50 void (*ch_bus_weight)(struct ct_bus_access_handle *); 51 52 #ifdef CT_USE_RELOCATE_OFFSET 53 bus_addr_t ch_offset[4]; 54 #endif /* CT_USE_RELOCATE_OFFSET */ 55 }; 56 57 struct ct_softc { 58 struct scsi_low_softc sc_sclow; /* generic data */ 59 60 struct ct_bus_access_handle sc_ch; /* bus access handle */ 61 62 struct resource *port_res; 63 struct resource *mem_res; 64 struct resource *irq_res; 65 struct resource *drq_res; 66 67 bus_dma_tag_t sc_dmat; /* data DMA tag */ 68 bus_dmamap_t sc_dmamapt; /* data DMAMAP tag */ 69 70 void *sc_ih; 71 72 int sc_chiprev; /* chip version */ 73 #define CT_WD33C93 0x00000 74 #define CT_WD33C93_A 0x10000 75 #define CT_AM33C93_A 0x10001 76 #define CT_WD33C93_B 0x20000 77 #define CT_WD33C93_C 0x30000 78 79 int sc_xmode; 80 #define CT_XMODE_PIO 1 81 #define CT_XMODE_DMA 2 82 83 int sc_dma; /* dma transfer start */ 84 #define CT_DMA_PIOSTART 1 85 #define CT_DMA_DMASTART 2 86 87 int sc_satgo; /* combination cmd start */ 88 #define CT_SAT_GOING 1 89 90 int sc_tmaxcnt; 91 int sc_atten; /* attention */ 92 u_int8_t sc_creg; /* control register value */ 93 94 int sc_chipclk; /* chipclk 0, 10, 15, 20 */ 95 struct ct_synch_data { 96 u_int cs_period; 97 u_int cs_syncr; 98 } *sc_sdp; /* synchronous data table pt */ 99 100 struct ct_synch_data sc_default_sdt[16]; 101 102 /* 103 * Machdep stuff. 104 */ 105 void *ct_hw; /* point to bshw_softc etc ... */ 106 int (*ct_dma_xfer_start)(struct ct_softc *); 107 int (*ct_pio_xfer_start)(struct ct_softc *); 108 void (*ct_dma_xfer_stop)(struct ct_softc *); 109 void (*ct_pio_xfer_stop)(struct ct_softc *); 110 void (*ct_bus_reset)(struct ct_softc *); 111 void (*ct_synch_setup)(struct ct_softc *, struct targ_info *); 112 }; 113 114 /***************************************************************** 115 * Lun information 116 *****************************************************************/ 117 struct ct_targ_info { 118 struct targ_info cti_ti; 119 120 u_int8_t cti_syncreg; 121 }; 122 123 /***************************************************************** 124 * PROTO 125 *****************************************************************/ 126 int ctprobesubr(struct ct_bus_access_handle *, u_int, int, u_int, int *); 127 void ctattachsubr(struct ct_softc *); 128 void ctintr(void *); 129 #endif /* !_CTVAR_H_ */ 130