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isa_common.c
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isa_common.h
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isa_dmareg.h
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isa_if.m
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isahint.c
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isareg.h
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isavar.h
(5.81 KB)
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pnp.c
(19.04 KB)
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pnpparse.c
(14.81 KB)
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pnpreg.h
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pnpvar.h
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rtc.h
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syscons_isa.c
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vga_isa.c
(8.87 KB)
Editing: isavar.h
/*- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * * 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. This is to ensure that hardwired * devices the BIOS tells us are there appear first, then speculative * devices that are sensitive to the probe order, then devices that * are hinted to be there, then the most flexible devices which support * the ISA bus PNP standard. */ #define ISA_ORDER_PNPBIOS 10 /* plug-and-play BIOS inflexible hardware */ #define ISA_ORDER_SENSITIVE 20 /* legacy sensitive hardware */ #define ISA_ORDER_SPECULATIVE 30 /* legacy non-sensitive hardware */ #define ISA_ORDER_PNP 40 /* plug-and-play flexible hardware */ /* * Limits on resources that we can manage */ #define ISA_NPORT 50 #define ISA_NMEM 50 #define ISA_NIRQ 50 #define ISA_NDRQ 50 /* * Limits on resources the hardware can actually handle */ #define ISA_PNP_NPORT 8 #define ISA_PNP_NMEM 4 #define ISA_PNP_NIRQ 2 #define ISA_PNP_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_MEMSIZE, ISA_IVAR_MEMSIZE_0 = ISA_IVAR_MEMSIZE, ISA_IVAR_MEMSIZE_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, ISA_IVAR_CONFIGATTR, ISA_IVAR_PNP_CSN, ISA_IVAR_PNP_LDN, ISA_IVAR_PNPBIOS_HANDLE }; /* * ISA_IVAR_CONFIGATTR bits */ #define ISACFGATTR_CANDISABLE (1 << 0) /* can be disabled */ #define ISACFGATTR_DYNAMIC (1 << 1) /* dynamic configuration */ #define ISACFGATTR_HINTS (1 << 3) /* source of config is hints */ #define ISA_PNP_DESCR "E:pnpid;D:#" #define ISA_PNP_INFO(t) \ MODULE_PNP_INFO(ISA_PNP_DESCR, isa, t, t, nitems(t) - 1); \ /* * Simplified accessors for isa devices */ #define ISA_ACCESSOR(var, ivar, type) \ __BUS_ACCESSOR(isa, var, ISA, ivar, type) 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, MEMSIZE, int) ISA_ACCESSOR(vendorid, VENDORID, int) ISA_ACCESSOR(serial, SERIAL, int) ISA_ACCESSOR(logicalid, LOGICALID, int) ISA_ACCESSOR(compatid, COMPATID, int) ISA_ACCESSOR(configattr, CONFIGATTR, int) ISA_ACCESSOR(pnp_csn, PNP_CSN, int) ISA_ACCESSOR(pnp_ldn, PNP_LDN, int) ISA_ACCESSOR(pnpbios_handle, PNPBIOS_HANDLE, int) /* Device class for ISA bridges. */ extern devclass_t isab_devclass; extern intrmask_t isa_irq_pending(void); extern void isa_probe_children(device_t dev); void isa_dmacascade(int chan); void isa_dmadone(int flags, caddr_t addr, int nbytes, int chan); int isa_dma_init(int chan, u_int bouncebufsize, int flag); void isa_dmastart(int flags, caddr_t addr, u_int nbytes, int chan); int isa_dma_acquire(int chan); void isa_dma_release(int chan); int isa_dmastatus(int chan); int isa_dmastop(int chan); int isa_dmatc(int chan); #define isa_dmainit(chan, size) do { \ if (isa_dma_init(chan, size, M_NOWAIT)) \ printf("WARNING: isa_dma_init(%d, %ju) failed\n", \ (int)(chan), (uintmax_t)(size)); \ } while (0) void isa_hinted_child(device_t parent, const char *name, int unit); void isa_hint_device_unit(device_t bus, device_t child, const char *name, int *unitp); int isab_attach(device_t dev); #endif /* _KERNEL */ #endif /* !_ISA_ISAVAR_H_ */
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