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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_BPP_VAR_H
#define _SYS_BPP_VAR_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Local variables header file for the bidirectional parallel port
* driver (bpp) for the Zebra SBus card.
*/
#ifdef __cplusplus
extern "C" {
#endif
/* #defines (not struct elements) below */
/* Other external ioctls are defined in bpp_io.h */
/* FOR TEST - request fakeout simulate partial data transfer */
#define BPPIOC_SETBC _IOW('b', 7, uint_t)
/* FOR TEST - request value of DMA_BCNT at end of last data transfer */
#define BPPIOC_GETBC _IOR('b', 8, uint_t)
/* FOR TEST - get contents of device registers */
#define BPPIOC_GETREGS _IOR('b', 9, struct bpp_regs)
/* FOR TEST - set special error code to simulate errors */
#define BPPIOC_SETERRCODE _IOW('b', 10, int)
/* FOR TEST - get pointer to (fakely) "transferred" data */
#define BPPIOC_GETFAKEBUF _IOW('b', 11, uchar_t *)
/* FOR TEST - test nested timeout calls */
#define BPPIOC_TESTTIMEOUT _IO('b', 12)
/* Structure definitions and locals #defines below */
struct bpp_unit /* Unit structure - one per unit */
{
kmutex_t bpp_mutex; /* mutex for any bpp op */
kcondvar_t wr_cv; /* multiple read write lock */
int flags; /* bpp flags */
int openflags; /* read-write flags */
/* this unit opened with */
timeout_id_t bpp_transfer_timeout_ident;
/* returned from timeout() */
/* passed to untimeout() */
timeout_id_t bpp_fakeout_timeout_ident;
/* returned from timeout() */
/* passed to untimeout() */
uchar_t timeouts; /* encoded pending timeouts */
int sbus_clock_cycle; /* SBus clock cycle time */
/* for this unit */
enum trans_type { /* saves state last transfer */
read_trans, /* on this unit - needed for */
write_trans /* scanners */
} last_trans;
ddi_iblock_cookie_t bpp_block_cookie;
/* interrupt block cookie */
/* from ddi_add_intr */
ddi_dma_handle_t bpp_dma_handle;
/* DMA handle given by */
/* ddi_dma_buf_setup() */
long transfer_remainder; /* number of bytes which */
/* were not transferred */
/* since they were across */
/* the max DVMA boundary. */
/* value is (0) when transfer */
/* is within the boundary */
dev_info_t *dip; /* Opaque devinfo info. */
struct buf *bpp_buffer; /* save address of buf */
/* for bpp_intr */
volatile struct bpp_regs *bpp_regs_p;
/* Device control regs. */
ddi_acc_handle_t bpp_acc_handle; /* registers access handle */
struct bpp_transfer_parms transfer_parms;
/* handshake and timing */
struct bpp_pins pins; /* control pins */
struct bpp_error_status error_stat; /* snapshotted error cond */
kstat_t *intrstats; /* interrupt statistics */
};
/* defines for the flags field */
#define BPP_ISOPEN 0x01 /* open is complete */
#define BPP_SUSPENDED 0x02 /* suspended */
#define BPP_VERSATEC 0x04 /* versatec handshake */
#define BPP_BUSY 0x08 /* busy */
#define BPP_ISWAITING 0x10 /* waiting */
/* defines for the timeouts field */
#define NO_TIMEOUTS 0x00 /* No timeouts pending */
#define TRANSFER_TIMEOUT 0x01 /* DVMA transfer */
#define FAKEOUT_TIMEOUT 0x10 /* Hardware simulation */
#define TEST1_TIMEOUT 0x20 /* Test timeout #1 */
#define TEST2_TIMEOUT 0x40 /* Test timeout #2 */
/* lint garbage */
#ifdef __lint
#define IFLINT IFTRUE
int _ZERO_; /* "constant in conditional context" workaround */
#define _ONE_ (!_ZERO_)
#else /* __lint */
#define IFLINT IFFALSE
#define _ZERO_ 0
#define _ONE_ 1
#endif /* __lint */
/* statement macro */
#define _STMT(op) do { op } while (_ZERO_)
#ifdef __cplusplus
}
#endif
#endif /* !_SYS_BPP_VAR_H */
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