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/* $NetBSD: ncr5380var.h,v 1.3 1995/09/26 19:24:26 thorpej Exp $ */
/*
* Copyright (C) 1994 Adam Glass, Gordon W. Ross
* Copyright (C) 1993 Allen K. Briggs, Chris P. Caputo,
* Michael L. Finch, Bradley A. Grantham, and
* Lawrence A. Kesteloot
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Alice Group.
* 4. The names of the Alice Group or any of its members may not be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE ALICE GROUP ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE ALICE GROUP BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define SCI_PHASE_DISC 0 /* sort of ... */
#define SCI_CLR_INTR(regs) ((volatile)(regs->sci_iack))
#define SCI_ACK(ptr,phase) (ptr)->sci_tcmd = (phase)
#define SCSI_TIMEOUT_VAL 1000000
#define WAIT_FOR_NOT_REQ(ptr) { \
int scsi_timeout = SCSI_TIMEOUT_VAL; \
while ( ((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
((ptr)->sci_bus_csr & SCI_BUS_REQ) && \
(--scsi_timeout) ); \
if (!scsi_timeout) { \
printf("scsi timeout--WAIT_FOR_NOT_REQ---%s, line %d.\n", \
__FILE__, __LINE__); \
goto scsi_timeout_error; \
} \
}
#define WAIT_FOR_REQ(ptr) { \
int scsi_timeout = SCSI_TIMEOUT_VAL; \
while ( (((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
(((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
(((ptr)->sci_bus_csr & SCI_BUS_REQ) == 0) && \
(--scsi_timeout) ); \
if (!scsi_timeout) { \
printf("scsi timeout--WAIT_FOR_REQ---%s, line %d.\n", \
__FILE__, __LINE__); \
goto scsi_timeout_error; \
} \
}
#define WAIT_FOR_BSY(ptr) { \
int scsi_timeout = SCSI_TIMEOUT_VAL; \
while ( (((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
(((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
(((ptr)->sci_bus_csr & SCI_BUS_BSY) == 0) && \
(--scsi_timeout) ); \
if (!scsi_timeout) { \
printf("scsi timeout--WAIT_FOR_BSY---%s, line %d.\n", \
__FILE__, __LINE__); \
goto scsi_timeout_error; \
} \
}
#define ARBITRATION_RETRIES 1000
#ifndef DDB
#define Debugger() panic("Should call Debugger here %s:%d", \
__FILE__, __LINE__)
#endif /* ! DDB */
struct ncr5380_softc {
struct device sc_dev;
struct intrhand sc_ih; /* interrupt info */
volatile void *sc_regs;
int sc_adapter_type;
int sc_adapter_iv_am; /* int. vec + address modifier */
struct scsi_link sc_link;
};
static int ncr5380_reset_scsibus __P((struct ncr5380_softc *));
static int ncr5380_poll __P((int, int));
static void ncr5380_sbc_intr __P((struct ncr5380_softc *));
static int ncr5380_send_cmd __P((struct scsi_xfer *));
static int ncr5380_scsi_cmd __P((struct scsi_xfer *));
static int ncr5380_data_in __P((sci_regmap_t *, int, int, u_char *));
static int ncr5380_data_out __P((sci_regmap_t *, int, int, u_char *));
static int ncr5380_select_target __P((volatile sci_regmap_t *, u_char,
u_char, int));
static int ncr5380_command_transfer __P((volatile sci_regmap_t *, int,
u_char *, u_char *, u_char *));
static int ncr5380_data_transfer __P((volatile sci_regmap_t *, int,
u_char *, u_char *, u_char *));
static int ncr5380_dorequest __P((struct ncr5380_softc *, int, int,
u_char *, int, char *, int, int *));
static int ncr5380_generic __P((void *, int, int, struct scsi_generic *,
int, void *, int));
static int ncr5380_group0 __P((void *, int, int, int, int, int,
int, caddr_t, int));
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