NetBSD/sys/arch/alpha/pci/mcpciavar.h

109 lines
3.7 KiB
C

/* $NetBSD: mcpciavar.h,v 1.1 1998/04/15 00:50:14 mjacob Exp $ */
/*
* Copyright (c) 1998 by Matthew Jacob
* NASA AMES Research Center.
* 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 immediately at the beginning of the file, without modification,
* 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 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.
*/
#include <dev/pci/pcivar.h>
#include <sys/extent.h>
#include <alpha/pci/pci_sgmap_pte64.h>
#define _FSTORE (EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long))
/*
* DWLPX configuration.
*/
struct mcpcia_config {
int cc_initted;
struct alpha_bus_space cc_iot;
struct alpha_bus_space cc_memt;
struct extent * cc_io_ex;
struct extent * cc_d_mem_ex;
struct extent * cc_s_mem_ex;
struct alpha_pci_chipset cc_pc;
struct mcpcia_softc * cc_sc; /* back pointer */
long cc_io_exstorage[_FSTORE];
long cc_dmem_exstorage[_FSTORE];
long cc_smem_exstorage[_FSTORE];
unsigned long cc_sysbase; /* shorthand */
struct alpha_bus_dma_tag cc_dmat_direct;
struct alpha_bus_dma_tag cc_dmat_sgmap;
struct alpha_sgmap cc_sgmap;
};
struct mcpcia_softc {
struct device mcpcia_dev;
struct mcpcia_softc * mcpcia_next; /* next in a list */
struct mcpcia_config mcpcia_cc; /* config info */
u_int8_t mcpcia_gid; /* GID of this MCbus */
u_int8_t mcpcia_mid; /* MCbus Module ID */
};
void mcpcia_config_cleanup __P((void));
extern struct mcpcia_config *mcpcia_eisaccp;
void mcpcia_init __P((struct mcpcia_softc *));
void mcpcia_pci_init __P((pci_chipset_tag_t, void *));
void mcpcia_dma_init __P((struct mcpcia_config *));
void mcpcia_bus_io_init __P((bus_space_tag_t, void *));
void mcpcia_bus_mem_init __P((bus_space_tag_t, void *));
/*
* IO Interrupt handler.
*/
void mcpcia_iointr __P((void *, unsigned long));
/*
* There are four PCI slots per MCPCIA PCI bus here, but some are 'hidden'-
* none seems to be higher than 6 though.
*/
#define MCPCIA_MAXDEV 6
#define MCPCIA_MAXSLOT 8
/*
* Interrupt Stuff for MCPCIA systems.
*
* EISA interrupts (at vector 0x800) have to be shared interrupts-
* and that can be easily managed. All the PCI interrupts are deterministic
* in that they start at vector 0x900, 0x40 per PCI slot, 0x200 per
* MCPCIA, 4 MCPCIAs per GCBUS....
*/
#define MCPCIA_EISA_KEYB_IRQ 1
#define MCPCIA_EISA_MOUSE_IRQ 12
#define MCPCIA_VEC_EISA 0x800
#define MCPCIA_VEC_PCI 0x900
/*
* Special Vectors
*/
#define MCPCIA_I2C_CVEC 0xA90
#define MCPCIA_I2C_BVEC 0xAA0