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| author | nsouch <nsouch@FreeBSD.org> | 1998-09-13 18:26:26 +0000 |
|---|---|---|
| committer | nsouch <nsouch@FreeBSD.org> | 1998-09-13 18:26:26 +0000 |
| commit | 5cc33ee728b656673a8728d17e20571446aa70b5 (patch) | |
| tree | 5c6c2e36e8a7af235f1d9c33ab99602d4dbed9a1 /sys/dev/ppbus/ppb_1284.h | |
| parent | a35f9a9ecfa09df02ced63a2453c256721f8ad38 (diff) | |
| download | FreeBSD-src-5cc33ee728b656673a8728d17e20571446aa70b5.zip FreeBSD-src-5cc33ee728b656673a8728d17e20571446aa70b5.tar.gz | |
ppbus enhanced to support ZIP+ : 1284 code added, microseq improved +
some bugs corrected in vpoio.
Diffstat (limited to 'sys/dev/ppbus/ppb_1284.h')
| -rw-r--r-- | sys/dev/ppbus/ppb_1284.h | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/sys/dev/ppbus/ppb_1284.h b/sys/dev/ppbus/ppb_1284.h index 980fe68..1cc98d4 100644 --- a/sys/dev/ppbus/ppb_1284.h +++ b/sys/dev/ppbus/ppb_1284.h @@ -23,21 +23,63 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: ppb_1284.h,v 1.1 1997/08/16 14:05:33 msmith Exp $ + * $Id: ppb_1284.h,v 1.2 1998/08/03 19:14:31 msmith Exp $ * */ #ifndef __1284_H #define __1284_H +/* + * IEEE1284 signals + */ + +/* host driven signals */ + +#define nHostClk STROBE +#define Write STROBE + +#define nHostBusy AUTOFEED +#define nHostAck AUTOFEED +#define DStrb AUTOFEED + +#define nReveseRequest nINIT + +#define nActive1284 SELECTIN +#define AStrb SELECTIN + +/* peripheral driven signals */ + +#define nDataAvail nFAULT +#define nPeriphRequest nFAULT + +#define Xflag SELECT + +#define AckDataReq PERROR +#define nAckReverse PERROR + +#define nPtrBusy nBUSY +#define nPeriphAck nBUSY +#define Wait nBUSY + +#define PtrClk nACK +#define PeriphClk nACK +#define Intr nACK + +/* request mode values */ #define NIBBLE_1284_NORMAL 0 #define NIBBLE_1284_REQUEST_ID 4 -extern int do_1284_wait(struct ppb_device *, char, char); +/* how to terminate */ +#define VALID_STATE 0 +#define IMMEDIATE 1 -extern int byte_1284_inbyte(struct ppb_device *, char *); +extern int do_1284_wait(struct ppb_device *, char, char); extern int nibble_1284_inbyte(struct ppb_device *, char *); extern void nibble_1284_sync(struct ppb_device *); extern int nibble_1284_mode(struct ppb_device *, int); +extern int ppb_1284_negociate(struct ppb_device *, int); +extern int ppb_1284_terminate(struct ppb_device *, int how); + #endif |
