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/* $Id$
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc.
* Copyright (C) 2000 by Colin Ngam
*/
#include <linux/types.h>
#include <asm/sn/sgi.h>
#include <asm/io.h>
#include <asm/sn/invent.h>
#include <asm/sn/hcl.h>
#include <asm/sn/pci/bridge.h>
#include "asm/sn/ioerror_handling.h"
#include <asm/sn/xtalk/xbow.h>
#ifdef BRINGUP
/* these get called directly in cdl_add_connpt in fops bypass hack */
extern int pcibr_attach(devfs_handle_t);
extern int xbow_attach(devfs_handle_t);
#endif /* BRINGUP */
/*
* cdl: Connection and Driver List
*
* We are not porting this to Linux. Devices are registered via
* the normal Linux PCI layer. This is a very simplified version
* of cdl that will allow us to register and call our very own
* IO Infrastructure Drivers e.g. pcibr.
*/
struct cdl {
int part_num;
int mfg_num;
int (*attach) (devfs_handle_t);
} dummy_reg;
typedef struct cdl *cdl_p;
#define MAX_SGI_IO_INFRA_DRVR 4
struct cdl sgi_infrastructure_drivers[MAX_SGI_IO_INFRA_DRVR] =
{
{ XBRIDGE_WIDGET_PART_NUM, XBRIDGE_WIDGET_MFGR_NUM, pcibr_attach /* &pcibr_fops */},
{ BRIDGE_WIDGET_PART_NUM, BRIDGE_WIDGET_MFGR_NUM, pcibr_attach /* &pcibr_fops */},
{ XXBOW_WIDGET_PART_NUM, XXBOW_WIDGET_MFGR_NUM, xbow_attach /* &xbow_fops */},
{ XBOW_WIDGET_PART_NUM, XBOW_WIDGET_MFGR_NUM, xbow_attach /* &xbow_fops */},
};
/*
* cdl_new: Called by pciio and xtalk.
*/
cdl_p
cdl_new(char *name, char *k1str, char *k2str)
{
/*
* Just return a dummy pointer.
*/
return((cdl_p)&dummy_reg);
}
/*
* cdl_del: Do nothing.
*/
void
cdl_del(cdl_p reg)
{
printk("SGI IO INFRASTRUCTURE - cdl_del not supported.\n");
}
/*
* cdl_add_driver: The driver part number and manufacturers number
* are statically initialized above.
*
Do nothing.
*/
int
cdl_add_driver(cdl_p reg, int key1, int key2, char *prefix, int flags)
{
return 0;
}
/*
* cdl_del_driver: Not supported.
*/
void
cdl_del_driver(cdl_p reg,
char *prefix)
{
printk("SGI IO INFRASTRUCTURE - cdl_del_driver not supported.\n");
}
/*
* cdl_add_connpt: We found a device and it's connect point. Call the
* attach routine of that driver.
*
* May need support for pciba registration here ...
*
* This routine use to create /hw/.id/pci/.../.. that links to
* /hw/module/006c06/Pbrick/xtalk/15/pci/<slotnum> .. do we still need
* it? The specified driver attach routine does not reference these
* vertices.
*/
int
cdl_add_connpt(cdl_p reg, int part_num, int mfg_num,
devfs_handle_t connpt)
{
int i;
/*
* Find the driver entry point and call the attach routine.
*/
for (i = 0; i < MAX_SGI_IO_INFRA_DRVR; i++) {
if ( (part_num == sgi_infrastructure_drivers[i].part_num) &&
( mfg_num == sgi_infrastructure_drivers[i].mfg_num) ) {
/*
* Call the device attach routines.
*/
if (sgi_infrastructure_drivers[i].attach) {
return(sgi_infrastructure_drivers[i].attach(connpt));
}
#ifdef BRINGUP
/*
* XXX HACK ALERT bypassing fops for now..
*/
else {
printk("cdl_add_connpt: NEED FOPS FOR OUR DRIVERS!!\n");
printk("cdl_add_connpt: part_num= 0x%x mfg_num= 0x%x\n",
part_num, mfg_num);
return(-1);
}
#endif /* BRINGUP */
} else {
continue;
}
printk("**** cdl_add_connpt: driver not found for part_num %d mfg_num %d ****\n", part_num, mfg_num);
return(-1);
}
if ( (i == MAX_SGI_IO_INFRA_DRVR) )
printk("**** cdl_add_connpt: Driver not found for part_num 0x%x mfg_num 0x%x ****\n", part_num, mfg_num);
return (0);
}
/*
* cdl_del_connpt: Not implemented.
*/
void
cdl_del_connpt(cdl_p reg, int key1, int key2, devfs_handle_t connpt)
{
printk("SGI IO INFRASTRUCTURE - cdl_del_cdl_del_connpt not supported.\n");
}
/*
* cdl_iterate: Not Implemented.
*/
void
cdl_iterate(cdl_p reg,
char *prefix,
cdl_iter_f * func)
{
printk("SGI IO INFRASTRUCTURE - cdl_iterate not supported.\n");
}
async_attach_t
async_attach_new(void)
{
printk("SGI IO INFRASTRUCTURE - async_attach_new not supported.\n");
return(0);
}
void
async_attach_free(async_attach_t aa)
{
printk("SGI IO INFRASTRUCTURE - async_attach_free not supported.\n");
}
async_attach_t
async_attach_get_info(devfs_handle_t vhdl)
{
printk("SGI IO INFRASTRUCTURE - async_attach_get_info not supported.\n");
return(0);
}
void
async_attach_add_info(devfs_handle_t vhdl, async_attach_t aa)
{
printk("SGI IO INFRASTRUCTURE - async_attach_add_info not supported.\n");
}
void
async_attach_del_info(devfs_handle_t vhdl)
{
printk("SGI IO INFRASTRUCTURE - async_attach_del_info not supported.\n");
}
void async_attach_signal_start(async_attach_t aa)
{
printk("SGI IO INFRASTRUCTURE - async_attach_signal_start not supported.\n");
}
void async_attach_signal_done(async_attach_t aa)
{
printk("SGI IO INFRASTRUCTURE - async_attach_signal_done not supported.\n");
}
void async_attach_waitall(async_attach_t aa)
{
printk("SGI IO INFRASTRUCTURE - async_attach_waitall not supported.\n");
}
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