include/sys/ecppio.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1992-1995,1997-2000 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _SYS_ECPPIO_H
  28 #define _SYS_ECPPIO_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #include <sys/bpp_io.h>
  37 #include <sys/ecppsys.h>
  38 #include <sys/note.h>
  39
  40 #define ECPPIOC_SETREGS         _IOW('p', 73, struct ecpp_regs)
  41 #define ECPPIOC_GETREGS         _IOR('p', 74, struct ecpp_regs)
  42 #define ECPPIOC_SETPORT         _IOW('p', 77, uchar_t)
  43 #define ECPPIOC_GETPORT         _IOR('p', 78, uchar_t)
  44 #define ECPPIOC_SETDATA         _IOW('p', 79, uchar_t)
  45 #define ECPPIOC_GETDATA         _IOR('p', 80, uchar_t)
  46
  47 #define ECPP_MAX_TIMEOUT        604800  /* one week */
  48 #define ECPP_W_TIMEOUT_DEFAULT  60      /* 60 seconds */
  49
  50 struct ecpp_regs {
  51         uint8_t dsr;    /* status reg */
  52         uint8_t dcr;    /* control reg */
  53 };
  54
  55 _NOTE(SCHEME_PROTECTS_DATA("unique per call", ecpp_regs))
  56
  57 /* Values for dsr field */
  58 #define ECPP_EPP_TMOUT          0x01
  59 #define ECPP_DSR_reserved1      0x02
  60 #define ECPP_IRQ_ST             0x04
  61 #define ECPP_nERR               0x08
  62 #define ECPP_SLCT               0x10
  63 #define ECPP_PE                 0x20
  64 #define ECPP_nACK               0x40
  65 #define ECPP_nBUSY              0x80
  66
  67 /*  Values for the dcr field */
  68 #define ECPP_STB                0x01
  69 #define ECPP_AFX                0x02
  70 #define ECPP_nINIT              0x04
  71 #define ECPP_SLCTIN             0x08
  72 #define ECPP_INTR_EN            0x10    /* 1=enable */
  73 #define ECPP_REV_DIR            0x20    /* 1=reverse dir */
  74 #define ECPP_DCR_reserved6      0x40
  75 #define ECPP_DCR_reserved7      0x80
  76 #define ECPP_DCR_SET            (ECPP_DCR_reserved6 | ECPP_DCR_reserved7)
  77
  78 /* port types */
  79 #define ECPP_PORT_DMA           0x1     /* default */
  80 #define ECPP_PORT_PIO           0x2
  81 #define ECPP_PORT_TDMA          0x3     /* test fifo */
  82
  83 /* these bits are not modified by ECPPIOC_SETREGS/GETREGS */
  84 #define ECPP_SETREGS_DSR_MASK   \
  85                         (ECPP_EPP_TMOUT | ECPP_DSR_reserved1 | ECPP_IRQ_ST)
  86 #define ECPP_SETREGS_DCR_MASK   \
  87                         (ECPP_INTR_EN | ECPP_REV_DIR | ECPP_DCR_SET)
  88
  89 #ifdef  __cplusplus
  90 }
  91 #endif
  92
  93 #endif  /* _SYS_ECPPIO_H */