2 /* $NecBSD: ctvar.h,v 1.4.14.3 2001/06/20 06:13:34 honda Exp $ */
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.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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.
40 * Generic wd33c93 chip driver's definitions
43 /*****************************************************************
44 * Host adapter structure
45 *****************************************************************/
46 struct 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) */
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;
57 void (*ch_bus_weight)(struct ct_bus_access_handle *);
59 #ifdef CT_USE_RELOCATE_OFFSET
60 bus_addr_t ch_offset[4];
61 #endif /* CT_USE_RELOCATE_OFFSET */
65 struct scsi_low_softc sc_sclow; /* generic data */
67 struct ct_bus_access_handle sc_ch; /* bus access handle */
69 struct resource *port_res;
70 struct resource *mem_res;
71 struct resource *irq_res;
72 struct resource *drq_res;
74 bus_dma_tag_t sc_dmat; /* data DMA tag */
75 bus_dmamap_t sc_dmamapt; /* data DMAMAP tag */
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
87 #define CT_XMODE_PIO 1
88 #define CT_XMODE_DMA 2
90 int sc_dma; /* dma transfer start */
91 #define CT_DMA_PIOSTART 1
92 #define CT_DMA_DMASTART 2
94 int sc_satgo; /* combination cmd start */
95 #define CT_SAT_GOING 1
98 int sc_atten; /* attention */
99 u_int8_t sc_creg; /* control register value */
101 int sc_chipclk; /* chipclk 0, 10, 15, 20 */
102 struct ct_synch_data {
105 } *sc_sdp; /* synchronous data table pt */
107 struct ct_synch_data sc_default_sdt[16];
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 *);
121 /*****************************************************************
123 *****************************************************************/
124 struct ct_targ_info {
125 struct targ_info cti_ti;
127 u_int8_t cti_syncreg;
130 /*****************************************************************
132 *****************************************************************/
133 int ctprobesubr(struct ct_bus_access_handle *, u_int, int, u_int, int *);
134 void ctattachsubr(struct ct_softc *);
136 #endif /* !_CTVAR_H_ */