d8b47cbb70
Define ISADMA_{READ,WRITE,RAW} macros with the same numeric
values as the B_{READ,WRITE,RAW} and use them instead throughout.
166 lines
4.9 KiB
C
166 lines
4.9 KiB
C
/*-
|
|
* Copyright (c) 1998 Doug Rabson
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _ISA_ISAVAR_H_
|
|
#define _ISA_ISAVAR_H_
|
|
|
|
struct isa_config;
|
|
struct isa_pnp_id;
|
|
typedef void isa_config_cb(void *arg, struct isa_config *config, int enable);
|
|
|
|
#include "isa_if.h"
|
|
#include <isa/pnpvar.h>
|
|
|
|
#ifdef _KERNEL
|
|
|
|
/*
|
|
* ISA devices are partially ordered to ensure that devices which are
|
|
* sensitive to other driver probe routines are probed first. Plug and
|
|
* Play devices are added after devices with speculative probes so that
|
|
* the legacy hardware can claim resources allowing the Plug and Play
|
|
* hardware to choose different resources.
|
|
*/
|
|
#define ISA_ORDER_SENSITIVE 0 /* legacy sensitive hardware */
|
|
#define ISA_ORDER_SPECULATIVE 1 /* legacy non-sensitive hardware */
|
|
#define ISA_ORDER_PNP 2 /* plug-and-play hardware */
|
|
|
|
#define ISA_NPORT 50
|
|
#define ISA_NMEM 8
|
|
#define ISA_NIRQ 2
|
|
#define ISA_NDRQ 2
|
|
|
|
#define ISADMA_READ 0x00100000
|
|
#define ISADMA_WRITE 0
|
|
#define ISADMA_RAW 0x00080000
|
|
/*
|
|
* Plug and play cards can support a range of resource
|
|
* configurations. This structure is used by the isapnp parser to
|
|
* inform the isa bus about the resource possibilities of the
|
|
* device. Each different alternative should be supplied by calling
|
|
* ISA_ADD_CONFIG().
|
|
*/
|
|
struct isa_range {
|
|
u_int32_t ir_start;
|
|
u_int32_t ir_end;
|
|
u_int32_t ir_size;
|
|
u_int32_t ir_align;
|
|
};
|
|
|
|
struct isa_config {
|
|
struct isa_range ic_mem[ISA_NMEM];
|
|
struct isa_range ic_port[ISA_NPORT];
|
|
u_int32_t ic_irqmask[ISA_NIRQ];
|
|
u_int32_t ic_drqmask[ISA_NDRQ];
|
|
int ic_nmem;
|
|
int ic_nport;
|
|
int ic_nirq;
|
|
int ic_ndrq;
|
|
};
|
|
|
|
/*
|
|
* Used to build lists of IDs and description strings for PnP drivers.
|
|
*/
|
|
struct isa_pnp_id {
|
|
u_int32_t ip_id;
|
|
const char *ip_desc;
|
|
};
|
|
|
|
enum isa_device_ivars {
|
|
ISA_IVAR_PORT,
|
|
ISA_IVAR_PORT_0 = ISA_IVAR_PORT,
|
|
ISA_IVAR_PORT_1,
|
|
ISA_IVAR_PORTSIZE,
|
|
ISA_IVAR_PORTSIZE_0 = ISA_IVAR_PORTSIZE,
|
|
ISA_IVAR_PORTSIZE_1,
|
|
ISA_IVAR_MADDR,
|
|
ISA_IVAR_MADDR_0 = ISA_IVAR_MADDR,
|
|
ISA_IVAR_MADDR_1,
|
|
ISA_IVAR_MSIZE,
|
|
ISA_IVAR_MSIZE_0 = ISA_IVAR_MSIZE,
|
|
ISA_IVAR_MSIZE_1,
|
|
ISA_IVAR_IRQ,
|
|
ISA_IVAR_IRQ_0 = ISA_IVAR_IRQ,
|
|
ISA_IVAR_IRQ_1,
|
|
ISA_IVAR_DRQ,
|
|
ISA_IVAR_DRQ_0 = ISA_IVAR_DRQ,
|
|
ISA_IVAR_DRQ_1,
|
|
ISA_IVAR_VENDORID,
|
|
ISA_IVAR_SERIAL,
|
|
ISA_IVAR_LOGICALID,
|
|
ISA_IVAR_COMPATID
|
|
};
|
|
|
|
/*
|
|
* Simplified accessors for isa devices
|
|
*/
|
|
#define ISA_ACCESSOR(A, B, T) \
|
|
\
|
|
static __inline T isa_get_ ## A(device_t dev) \
|
|
{ \
|
|
uintptr_t v; \
|
|
BUS_READ_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, &v); \
|
|
return (T) v; \
|
|
} \
|
|
\
|
|
static __inline void isa_set_ ## A(device_t dev, T t) \
|
|
{ \
|
|
u_long v = (u_long) t; \
|
|
BUS_WRITE_IVAR(device_get_parent(dev), dev, ISA_IVAR_ ## B, v); \
|
|
}
|
|
|
|
ISA_ACCESSOR(port, PORT, int)
|
|
ISA_ACCESSOR(portsize, PORTSIZE, int)
|
|
ISA_ACCESSOR(irq, IRQ, int)
|
|
ISA_ACCESSOR(drq, DRQ, int)
|
|
ISA_ACCESSOR(maddr, MADDR, int)
|
|
ISA_ACCESSOR(msize, MSIZE, int)
|
|
ISA_ACCESSOR(vendorid, VENDORID, int)
|
|
ISA_ACCESSOR(serial, SERIAL, int)
|
|
ISA_ACCESSOR(logicalid, LOGICALID, int)
|
|
ISA_ACCESSOR(compatid, COMPATID, int)
|
|
|
|
extern intrmask_t isa_irq_pending(void);
|
|
extern intrmask_t isa_irq_mask(void);
|
|
#ifdef __i386__
|
|
extern void isa_wrap_old_drivers(void);
|
|
#endif
|
|
extern void isa_probe_children(device_t dev);
|
|
|
|
extern void isa_dmacascade __P((int chan));
|
|
extern void isa_dmadone __P((int flags, caddr_t addr, int nbytes, int chan));
|
|
extern void isa_dmainit __P((int chan, u_int bouncebufsize));
|
|
extern void isa_dmastart __P((int flags, caddr_t addr, u_int nbytes, int chan));
|
|
extern int isa_dma_acquire __P((int chan));
|
|
extern void isa_dma_release __P((int chan));
|
|
extern int isa_dmastatus __P((int chan));
|
|
extern int isa_dmastop __P((int chan));
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* !_ISA_ISAVAR_H_ */
|