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c447342094
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
163 lines
4.8 KiB
C
163 lines
4.8 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _ISA_ISAVAR_H_
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#define _ISA_ISAVAR_H_
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struct isa_config;
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struct isa_pnp_id;
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typedef void isa_config_cb(void *arg, struct isa_config *config, int enable);
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#include "isa_if.h"
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#include <isa/pnpvar.h>
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#ifdef _KERNEL
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/*
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* ISA devices are partially ordered to ensure that devices which are
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* sensitive to other driver probe routines are probed first. Plug and
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* Play devices are added after devices with speculative probes so that
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* the legacy hardware can claim resources allowing the Plug and Play
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* hardware to choose different resources.
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*/
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#define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */
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#define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */
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#define ISA_ORDER_PNP 2 /* plug-and-play hardware */
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#define ISA_NPORT 32
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#define ISA_NMEM 8
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#define ISA_NIRQ 2
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#define ISA_NDRQ 2
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/*
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* Plug and play cards can support a range of resource
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* configurations. This structure is used by the isapnp parser to
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* inform the isa bus about the resource possibilities of the
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* device. Each different alternative should be supplied by calling
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* ISA_ADD_CONFIG().
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*/
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struct isa_range {
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u_int32_t ir_start;
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u_int32_t ir_end;
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u_int32_t ir_size;
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u_int32_t ir_align;
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};
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struct isa_config {
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struct isa_range ic_mem[ISA_NMEM];
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struct isa_range ic_port[ISA_NPORT];
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u_int32_t ic_irqmask[ISA_NIRQ];
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u_int32_t ic_drqmask[ISA_NDRQ];
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int ic_nmem;
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int ic_nport;
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int ic_nirq;
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int ic_ndrq;
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};
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/*
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* Used to build lists of IDs and description strings for PnP drivers.
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*/
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struct isa_pnp_id {
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u_int32_t ip_id;
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const char *ip_desc;
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};
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enum isa_device_ivars {
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ISA_IVAR_PORT,
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ISA_IVAR_PORT_0 = ISA_IVAR_PORT,
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ISA_IVAR_PORT_1,
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ISA_IVAR_PORTSIZE,
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ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE,
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ISA_IVAR_PORTSIZE_1,
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ISA_IVAR_MADDR,
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ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR,
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ISA_IVAR_MADDR_1,
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ISA_IVAR_MSIZE,
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ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE,
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ISA_IVAR_MSIZE_1,
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ISA_IVAR_IRQ,
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ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ,
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ISA_IVAR_IRQ_1,
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ISA_IVAR_DRQ,
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ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ,
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ISA_IVAR_DRQ_1,
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ISA_IVAR_VENDORID,
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ISA_IVAR_SERIAL,
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ISA_IVAR_LOGICALID,
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ISA_IVAR_COMPATID
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};
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/*
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* Simplified accessors for isa devices
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*/
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#define ISA_ACCESSOR(A, B, T) \
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\
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static __inline T isa_get_ ## A(device_t dev) \
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{ \
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uintptr_t v; \
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BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \
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return (T) v; \
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} \
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\
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static __inline void isa_set_ ## A(device_t dev, T t) \
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{ \
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u_long v = (u_long) t; \
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BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \
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}
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ISA_ACCESSOR(port, PORT, int)
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ISA_ACCESSOR(portsize, PORTSIZE, int)
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ISA_ACCESSOR(irq, IRQ, int)
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ISA_ACCESSOR(drq, DRQ, int)
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ISA_ACCESSOR(maddr, MADDR, int)
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ISA_ACCESSOR(msize, MSIZE, int)
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ISA_ACCESSOR(vendorid, VENDORID, int)
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ISA_ACCESSOR(serial, SERIAL, int)
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ISA_ACCESSOR(logicalid, LOGICALID, int)
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ISA_ACCESSOR(compatid, COMPATID, int)
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extern intrmask_t isa_irq_pending(void);
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extern intrmask_t isa_irq_mask(void);
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#ifdef __i386__
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extern void isa_wrap_old_drivers(void);
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#endif
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extern void isa_probe_children(device_t dev);
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extern void isa_dmacascade __P((int chan));
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extern void isa_dmadone __P((int flags, caddr_t addr, int nbytes, int chan));
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extern void isa_dmainit __P((int chan, u_int bouncebufsize));
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extern void isa_dmastart __P((int flags, caddr_t addr, u_int nbytes, int chan));
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extern int isa_dma_acquire __P((int chan));
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extern void isa_dma_release __P((int chan));
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extern int isa_dmastatus __P((int chan));
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extern int isa_dmastop __P((int chan));
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#endif /* _KERNEL */
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#endif /* !_ISA_ISAVAR_H_ */
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