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/*
* 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) 2005 Stanislaw Skowronek <skylark@linux-mips.org>
*/
#ifndef _LINUX_IOC3_H
#define _LINUX_IOC3_H
#include <asm/sn/ioc3.h>
#define IOC3_MAX_SUBMODULES 32
#define IOC3_CLASS_NONE 0
#define IOC3_CLASS_BASE_IP27 1
#define IOC3_CLASS_BASE_IP30 2
#define IOC3_CLASS_MENET_123 3
#define IOC3_CLASS_MENET_4 4
#define IOC3_CLASS_CADDUO 5
#define IOC3_CLASS_SERIAL 6
/* One of these per IOC3 */
struct ioc3_driver_data {
struct list_head list;
int id; /* IOC3 sequence number */
/* PCI mapping */
unsigned long pma; /* physical address */
struct ioc3 __iomem *vma; /* pointer to registers */
struct pci_dev *pdev; /* PCI device */
/* IRQ stuff */
int dual_irq; /* set if separate IRQs are used */
int irq_io, irq_eth; /* IRQ numbers */
/* GPIO magic */
spinlock_t gpio_lock;
unsigned int gpdr_shadow;
/* NIC identifiers */
char nic_part[32];
char nic_serial[16];
char nic_mac[6];
/* submodule set */
int class;
void *data[IOC3_MAX_SUBMODULES]; /* for submodule use */
int active[IOC3_MAX_SUBMODULES]; /* set if probe succeeds */
/* is_ir_lock must be held while
* modifying sio_ie values, so
* we can be sure that sio_ie is
* not changing when we read it
* along with sio_ir.
*/
spinlock_t ir_lock; /* SIO_IE[SC] mod lock */
};
/* One per submodule */
struct ioc3_submodule {
char *name; /* descriptive submodule name */
struct module *owner; /* owning kernel module */
int ethernet; /* set for ethernet drivers */
int (*probe) (struct ioc3_submodule *, struct ioc3_driver_data *);
int (*remove) (struct ioc3_submodule *, struct ioc3_driver_data *);
int id; /* assigned by IOC3, index for the "data" array */
/* IRQ stuff */
unsigned int irq_mask; /* IOC3 IRQ mask, leave clear for Ethernet */
int reset_mask; /* non-zero if you want the ioc3.c module to reset interrupts */
int (*intr) (struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int);
/* private submodule data */
void *data; /* assigned by submodule */
};
/**********************************
* Functions needed by submodules *
**********************************/
#define IOC3_W_IES 0
#define IOC3_W_IEC 1
/* registers a submodule for all existing and future IOC3 chips */
extern int ioc3_register_submodule(struct ioc3_submodule *);
/* unregisters a submodule */
extern void ioc3_unregister_submodule(struct ioc3_submodule *);
/* enables IRQs indicated by irq_mask for a specified IOC3 chip */
extern void ioc3_enable(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int);
/* ackowledges specified IRQs */
extern void ioc3_ack(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int);
/* disables IRQs indicated by irq_mask for a specified IOC3 chip */
extern void ioc3_disable(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int);
/* atomically sets GPCR bits */
extern void ioc3_gpcr_set(struct ioc3_driver_data *, unsigned int);
/* general ireg writer */
extern void ioc3_write_ireg(struct ioc3_driver_data *idd, uint32_t value, int reg);
#endif