FreeBSD/Linux Kernel Cross Reference
sys/dev/ct/ctvar.h
1 /* $FreeBSD: releng/11.2/sys/dev/ct/ctvar.h 274760 2014-11-20 20:50:05Z jhb $ */
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_ */
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