ncr5380var.h revision 1.1 1 1.1 pk /* $NetBSD: ncr5380var.h,v 1.1 1995/07/08 21:30:44 pk Exp $ */
2 1.1 pk
3 1.1 pk /*
4 1.1 pk * Copyright (C) 1994 Adam Glass, Gordon W. Ross
5 1.1 pk * Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
6 1.1 pk * Michael L. Finch, Bradley A. Grantham, and
7 1.1 pk * Lawrence A. Kesteloot
8 1.1 pk * All rights reserved.
9 1.1 pk *
10 1.1 pk * Redistribution and use in source and binary forms, with or without
11 1.1 pk * modification, are permitted provided that the following conditions
12 1.1 pk * are met:
13 1.1 pk * 1. Redistributions of source code must retain the above copyright
14 1.1 pk * notice, this list of conditions and the following disclaimer.
15 1.1 pk * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 pk * notice, this list of conditions and the following disclaimer in the
17 1.1 pk * documentation and/or other materials provided with the distribution.
18 1.1 pk * 3. All advertising materials mentioning features or use of this software
19 1.1 pk * must display the following acknowledgement:
20 1.1 pk * This product includes software developed by the Alice Group.
21 1.1 pk * 4. The names of the Alice Group or any of its members may not be used
22 1.1 pk * to endorse or promote products derived from this software without
23 1.1 pk * specific prior written permission.
24 1.1 pk *
25 1.1 pk * THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
26 1.1 pk * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
27 1.1 pk * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 1.1 pk * IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
29 1.1 pk * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
30 1.1 pk * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 1.1 pk * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 1.1 pk * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 1.1 pk * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 1.1 pk * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 1.1 pk */
36 1.1 pk
37 1.1 pk #define SCI_PHASE_DISC 0 /* sort of ... */
38 1.1 pk #define SCI_CLR_INTR(regs) ((volatile)(regs->sci_iack))
39 1.1 pk #define SCI_ACK(ptr,phase) (ptr)->sci_tcmd = (phase)
40 1.1 pk #define SCSI_TIMEOUT_VAL 1000000
41 1.1 pk #define WAIT_FOR_NOT_REQ(ptr) { \
42 1.1 pk int scsi_timeout = SCSI_TIMEOUT_VAL; \
43 1.1 pk while ( ((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
44 1.1 pk ((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
45 1.1 pk ((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
46 1.1 pk (--scsi_timeout) ); \
47 1.1 pk if (!scsi_timeout) { \
48 1.1 pk printf("scsi timeout--WAIT_FOR_NOT_REQ---%s, line %d.\n", \
49 1.1 pk __FILE__, __LINE__); \
50 1.1 pk goto scsi_timeout_error; \
51 1.1 pk } \
52 1.1 pk }
53 1.1 pk #define WAIT_FOR_REQ(ptr) { \
54 1.1 pk int scsi_timeout = SCSI_TIMEOUT_VAL; \
55 1.1 pk while ( (((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
56 1.1 pk (((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
57 1.1 pk (((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
58 1.1 pk (--scsi_timeout) ); \
59 1.1 pk if (!scsi_timeout) { \
60 1.1 pk printf("scsi timeout--WAIT_FOR_REQ---%s, line %d.\n", \
61 1.1 pk __FILE__, __LINE__); \
62 1.1 pk goto scsi_timeout_error; \
63 1.1 pk } \
64 1.1 pk }
65 1.1 pk #define WAIT_FOR_BSY(ptr) { \
66 1.1 pk int scsi_timeout = SCSI_TIMEOUT_VAL; \
67 1.1 pk while ( (((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
68 1.1 pk (((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
69 1.1 pk (((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
70 1.1 pk (--scsi_timeout) ); \
71 1.1 pk if (!scsi_timeout) { \
72 1.1 pk printf("scsi timeout--WAIT_FOR_BSY---%s, line %d.\n", \
73 1.1 pk __FILE__, __LINE__); \
74 1.1 pk goto scsi_timeout_error; \
75 1.1 pk } \
76 1.1 pk }
77 1.1 pk
78 1.1 pk #define ARBITRATION_RETRIES 1000
79 1.1 pk
80 1.1 pk #ifdef DDB
81 1.1 pk int Debugger();
82 1.1 pk #else
83 1.1 pk #define Debugger() panic("Should call Debugger here %s:%d", \
84 1.1 pk __FILE__, __LINE__)
85 1.1 pk #endif
86 1.1 pk
87 1.1 pk struct ncr5380_softc {
88 1.1 pk struct device sc_dev;
89 1.1 pk struct intrhand sc_ih; /* interrupt info */
90 1.1 pk volatile void *sc_regs;
91 1.1 pk int sc_adapter_type;
92 1.1 pk int sc_adapter_iv_am; /* int. vec + address modifier */
93 1.1 pk struct scsi_link sc_link;
94 1.1 pk };
95 1.1 pk
96 1.1 pk static int ncr5380_reset_scsibus __P((struct ncr5380_softc *));
97 1.1 pk static int ncr5380_poll __P((int, int));
98 1.1 pk static void ncr5380_sbc_intr __P((struct ncr5380_softc *));
99 1.1 pk static int ncr5380_send_cmd __P((struct scsi_xfer *));
100 1.1 pk static int ncr5380_scsi_cmd __P((struct scsi_xfer *));
101 1.1 pk static int ncr5380_data_in __P((sci_regmap_t *, int, int, u_char *));
102 1.1 pk static int ncr5380_data_out __P((sci_regmap_t *, int, int, u_char *));
103 1.1 pk static int ncr5380_select_target __P((volatile sci_regmap_t *, u_char,
104 1.1 pk u_char, int));
105 1.1 pk static int ncr5380_command_transfer __P((volatile sci_regmap_t *, int,
106 1.1 pk u_char *, u_char *, u_char *));
107 1.1 pk static int ncr5380_data_transfer __P((volatile sci_regmap_t *, int,
108 1.1 pk u_char *, u_char *, u_char *));
109 1.1 pk static int ncr5380_dorequest __P((struct ncr5380_softc *, int, int,
110 1.1 pk u_char *, int, char *, int, int *));
111 1.1 pk
112 1.1 pk static int ncr5380_generic __P((int, int, int, struct scsi_generic *,
113 1.1 pk int, void *, int));
114 1.1 pk static int ncr5380_group0 __P((int, int, int, int, int, int,
115 1.1 pk int, caddr_t, int));
116 1.1 pk
117 1.1 pk
118