/*
* Regular cardbus driver ("yenta_socket")
*
* (C) Copyright 1999, 2000 Linus Torvalds
*
* Changelog:
* Aug 2002: Manfred Spraul <manfred@colorfullife.com>
* Dynamically adjust the size of the bridge resource
*
* May 2003: Dominik Brodowski <linux@brodo.de>
* Merge pci_socket.c and yenta.c into one file
*/
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/ss.h>
#include <pcmcia/cs.h>
#include <asm/io.h>
#include "yenta_socket.h"
#include "i82365.h"
static int disable_clkrun;
module_param(disable_clkrun, bool, 0444);
MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");
static int isa_probe = 1;
module_param(isa_probe, bool, 0444);
MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");
static int pwr_irqs_off;
module_param(pwr_irqs_off, bool, 0644);
MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");
#if 0
#define debug(x,args...) printk(KERN_DEBUG "%s: " x, __func__ , ##args)
#else
#define debug(x,args...)
#endif
/* Don't ask.. */
#define to_cycles(ns) ((ns)/120)
#define to_ns(cycles) ((cycles)*120)
static int yenta_probe_cb_irq(struct yenta_socket *socket);
static unsigned int override_bios;
module_param(override_bios, uint, 0000);
MODULE_PARM_DESC (override_bios, "yenta ignore bios resource allocation");
/*
* Generate easy-to-use ways of reading a cardbus sockets
* regular memory space ("cb_xxx"), configuration space
* ("config_xxx") and compatibility space ("exca_xxxx")
*/
static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
{
u32 val = readl(socket->base + reg);
debug("%p %04x %08x\n", socket, reg, val);
return val;
}
static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
{
debug("%p %04x %08x\n", socket, reg, val);
writel(val, socket->base + reg);
readl(socket->base + reg); /* avoid problems with PCI write posting */
}
static inline u8 config_readb(struct yenta_socket *socket,