0dcb02ec41
cards at attachment time, in order to support bit rates greater than 115K, as discussed on tech-kern.
110 lines
3.6 KiB
C
110 lines
3.6 KiB
C
/* $NetBSD: pucvar.h,v 1.6 2004/02/03 19:51:39 fredb Exp $ */
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/*
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* Copyright (c) 1998, 1999 Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Exported (or conveniently located) PCI "universal" communications card
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* software structures.
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*
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* Author: Christopher G. Demetriou, May 14, 1998.
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*/
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#define PUC_MAX_PORTS 8
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struct puc_device_description {
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const char *name;
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pcireg_t rval[4];
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pcireg_t rmask[4];
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struct {
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int type;
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int bar;
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int offset;
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int flags;
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} ports[PUC_MAX_PORTS];
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};
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#define PUC_REG_VEND 0
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#define PUC_REG_PROD 1
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#define PUC_REG_SVEND 2
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#define PUC_REG_SPROD 3
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#define PUC_PORT_TYPE_NONE 0
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#define PUC_PORT_TYPE_COM 1
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#define PUC_PORT_TYPE_LPT 2
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#define PUC_PORT_VALID(desc, port) \
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((port) < PUC_MAX_PORTS && (desc)->ports[(port)].type != PUC_PORT_TYPE_NONE)
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#define PUC_PORT_BAR_INDEX(bar) (((bar) - PCI_MAPREG_START) / 4)
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/* Flags for PUC_PORT_TYPE_COM */
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/* * assume all clock rates have 8 lower bits to 0 - this leaves us 8 flags */
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#define PUC_COM_CLOCKMASK 0xffffff00
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#define PUC_COM_FLAG0 (1 << 0)
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#define PUC_COM_FLAG1 (1 << 1)
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#define PUC_COM_FLAG2 (1 << 2)
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#define PUC_COM_FLAG3 (1 << 3)
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#define PUC_COM_FLAG4 (1 << 4)
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#define PUC_COM_FLAG5 (1 << 5)
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#define PUC_COM_FLAG6 (1 << 6)
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#define PUC_COM_FLAG7 (1 << 7)
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/* Flags for SIIG Cyberserial options */
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#define PUC_COM_SIIG10x PUC_COM_FLAG7
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#define PUC_COM_SIIG20x PUC_COM_FLAG6
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#define PUC_PORT_USR0 PUC_COM_FLAG0
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#define PUC_PORT_USR1 PUC_COM_FLAG1
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#define PUC_PORT_USR2 PUC_COM_FLAG2
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#define PUC_PORT_USR3 PUC_COM_FLAG3
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/* Flags for PUC_PORT_TYPE_LPT */
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/* none currently */
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struct puc_attach_args {
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int port;
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int type;
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int flags;
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pci_chipset_tag_t pc;
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pci_intr_handle_t intrhandle;
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pcitag_t tag;
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bus_addr_t a;
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bus_space_tag_t t;
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bus_space_handle_t h;
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bus_dma_tag_t dmat;
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bus_dma_tag_t dmat64;
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};
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extern const struct puc_device_description puc_devices[];
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extern const struct puc_device_description *
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puc_find_description __P((pcireg_t, pcireg_t, pcireg_t, pcireg_t));
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