/* $NetBSD: mca_machdep.h,v 1.15 2011/07/01 18:15:11 dyoung Exp $ */ /* * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. * Copyright (c) 1999 Scott D. Telford. 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ #ifndef _I386_MCA_MACHDEP_H_ #define _I386_MCA_MACHDEP_H_ #include <sys/device.h> /* for device_t */ #include <sys/bus.h> /* * i386-specific definitions for MCA autoconfiguration. */ extern struct x86_bus_dma_tag mca_bus_dma_tag; /* set to 1 if MCA bus is detected */ extern int MCA_system; void mca_nmi(void); /* * Types provided to machine-independent MCA code. */ struct x86_mca_chipset { void */*struct mca_dma_state*/ ic_dmastate; }; typedef struct x86_mca_chipset *mca_chipset_tag_t; typedef int mca_intr_handle_t; /* * Functions provided to machine-independent MCA code. */ struct mcabus_attach_args; void mca_attach_hook(device_t, device_t, struct mcabus_attach_args *); int mca_dmamap_create(bus_dma_tag_t, bus_size_t, int, bus_dmamap_t *, int); void mca_dma_set_ioport(int dma, uint16_t port); const struct evcnt *mca_intr_evcnt(mca_chipset_tag_t, mca_intr_handle_t); void *mca_intr_establish(mca_chipset_tag_t, mca_intr_handle_t, int, int (*)(void *), void *); void mca_intr_disestablish(mca_chipset_tag_t, void *); int mca_conf_read(mca_chipset_tag_t, int, int); void mca_conf_write(mca_chipset_tag_t, int, int, int); void mca_busprobe(void); /* * Flags for DMA. Avoid BUS_DMA_BUS1, we share dmamap routines with ISA and * that flag is used for different purpose within _isa_dmamap_*(). */ #define MCABUS_DMA_IOPORT BUS_DMA_BUS2 /* io-port based DMA */ #define MCABUS_DMA_16BIT BUS_DMA_BUS3 /* 16bit DMA */ #define _MCABUS_DMA_USEDMACTRL BUS_DMA_BUS4 /* internal flag */ /* * These two are used to light disk busy LED on PS/2 during disk operations. */ void mca_disk_busy(void); void mca_disk_unbusy(void); /* MCA register addresses for IBM PS/2 */ #define PS2_SYS_CTL_A 0x92 /* PS/2 System Control Port A */ #define MCA_MB_SETUP_REG 0x94 /* Motherboard setup register */ #define MCA_ADAP_SETUP_REG 0x96 /* Adapter setup register */ #define MCA_POS_REG_BASE 0x100 /* POS registers base address */ #define MCA_POS_REG_SIZE 8 /* POS registers window size */ #define MCA_POS_REG(n) (0x100+(n)) /* POS registers 0-7 */ /* Adapter setup register bits */ #define MCA_ADAP_SET 0x08 /* Adapter setup mode */ #define MCA_ADAP_CHR 0x80 /* Adapter channel reset */ #define MCA_MAX_SLOTS 8 /* max number of slots per bus */ #endif /* _I386_MCA_MACHDEP_H_ */
