93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/*
|
|
* 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, struct pt_regs *);
|
|
/* 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
|