/*
* Sonics Silicon Backplane
* Subsystem core
*
* Copyright 2005, Broadcom Corporation
* Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include "ssb_private.h"
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_regs.h>
#include <linux/ssb/ssb_driver_gige.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
MODULE_DESCRIPTION("Sonics Silicon Backplane driver");
MODULE_LICENSE("GPL");
/* Temporary list of yet-to-be-attached buses */
static LIST_HEAD(attach_queue);
/* List if running buses */
static LIST_HEAD(buses);
/* Software ID counter */
static unsigned int next_busnumber;
/* buses_mutes locks the two buslists and the next_busnumber.
* Don't lock this directly, but use ssb_buses_[un]lock() below. */
static DEFINE_MUTEX(buses_mutex);
/* There are differences in the codeflow, if the bus is
* initialized from early boot, as various needed services
* are not available early. This is a mechanism to delay
* these initializations to after early boot has finished.
* It's also used to avoid mutex locking, as that's not
* available and needed early. */
static bool ssb_is_early_boot = 1;
static void ssb_buses_lock(void);
static void ssb_buses_unlock(void);
#ifdef CONFIG_SSB_PCIHOST
struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev)
{
struct ssb_bus *bus;
ssb_buses_lock();
list_for_each_entry(bus, &buses, list) {
if (bus->bustype == SSB_BUSTYPE_PCI &&
bus->host_pci == pdev)
goto found;
}
bus = NULL;
found:
ssb_buses_unlock();
return bus;
}
#endif /* CONFIG_SSB_PCIHOST */
#ifdef CONFIG_SSB_PCMCIAHOST
struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev)
{
struct ssb_bus *bus;
ssb_buses_lock();
list_for_each_entry(bus, &buses, list) {
if (bus->bustype == SSB_BUSTYPE_PCMCIA &&
bus->host_pcmcia == pdev)
goto found;
}
bus = NULL;
