/*
* cs_internal.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The initial developer of the original code is David A. Hinds
* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
*
* (C) 1999 David A. Hinds
*/
#ifndef _LINUX_CS_INTERNAL_H
#define _LINUX_CS_INTERNAL_H
#include <linux/kref.h>
/* Flags in client state */
#define CLIENT_CONFIG_LOCKED 0x0001
#define CLIENT_IRQ_REQ 0x0002
#define CLIENT_IO_REQ 0x0004
#define CLIENT_UNBOUND 0x0008
#define CLIENT_STALE 0x0010
#define CLIENT_WIN_REQ(i) (0x1<<(i))
#define CLIENT_CARDBUS 0x8000
#define REGION_MAGIC 0xE3C9
typedef struct region_t {
u_short region_magic;
u_short state;
dev_info_t dev_info;
struct pcmcia_device *mtd;
u_int MediaID;
region_info_t info;
} region_t;
#define REGION_STALE 0x01
/* Each card function gets one of these guys */
typedef struct config_t {
struct kref ref;
u_int state;
u_int Attributes;
u_int IntType;
u_int ConfigBase;
u_char Status, Pin, Copy, Option, ExtStatus;
u_int CardValues;
io_req_t io;
struct {
u_int Attributes;
} irq;
} config_t;
struct cis_cache_entry {
struct list_head node;
unsigned int addr;
unsigned int len;
unsigned int attr;
unsigned char cache[0];
};
/* Flags in config state */
#define CONFIG_LOCKED 0x01
#define CONFIG_IRQ_REQ 0x02
#define CONFIG_IO_REQ 0x04
/* Flags in socket state */
#define SOCKET_PRESENT 0x0008
#define SOCKET_INUSE 0x0010
#define SOCKET_SUSPEND 0x0080
#define SOCKET_WIN_REQ(i) (0x0100<<(i))
#define SOCKET_REGION_INFO 0x4000
#define SOCKET_CARDBUS 0x8000
#define SOCKET_CARDBUS_CONFIG 0x10000
static inline int cs_socket_get(struct pcmcia_socket *skt)
{
int ret;
WARN_ON(skt->state & SOCKET_INUSE);
ret = try_module_get(skt->owner);
if (ret)
skt->state |= SOCKET_INUSE;
return ret;
}
static inline void cs_socket_put(struct pcmcia_socket *skt)
{
if (skt->state & SOCKET_INUSE) {
skt->state &= ~SOCKET_INUSE;
module_put(skt->owner);
}
}
/* In cardbus.c */
int cb_alloc(struct pcmcia_socket *s);
void cb_free(struct pcmcia_socket *s);
int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len, void *ptr);
/* In cistpl.c */
int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
u_int addr, u_int len, void *ptr);
void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
u_int addr, u_int len, void *ptr);
void release_cis_mem(struct pcmcia_socket *s);
void destroy_cis_cache(struct pcmcia_socket *s);
int verify_cis_cache(struct pcmcia_socket *s);
int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse);
/* In rsrc_mgr */
int pcmcia_validate_mem(struct pcmcia_socket *s);
struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align,
struct pcmcia_socket *s);
int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start,
unsigned long r_end, struct pcmcia_socket *s);
struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align,
int low, struct pcmcia_socket *s);
void release_resource_db(struct pcmcia_socket *s);
/* In socket_sysfs.c */
extern struct class_interface pccard_sysfs_interface;
/* In cs.c */
extern struct rw_semaphore pcmcia_socket_list_rwsem;
extern struct list_head pcmcia_socket_list;
int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx, win_req_t *req);
int pccard_get_configuration_info(struct pcmcia_socket *s, struct pcmcia_device *p_dev, config_info_t *config);
int pccard_reset_card(struct pcmcia_socket *skt);
int pccard_get_status(struct pcmcia_socket *s, struct pcmcia_device *p_dev, cs_status_t *status);
struct pcmcia_callback{
struct module *owner;
int (*event) (struct pcmcia_socket *s, event_t event, int priority);
void (*requery) (struct pcmcia_socket *s, int new_cis);
int (*suspend) (struct pcmcia_socket *s);
int (*resume) (struct pcmcia_socket *s);
};
int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);
#define cs_socket_name(skt) ((skt)->dev.bus_id)
#ifdef DEBUG
extern int cs_debug_level(int);
#define cs_dbg(skt, lvl, fmt, arg...) do { \
if (cs_debug_level(lvl)) \
printk(KERN_DEBUG "cs: %s: " fmt, \
cs_socket_name(skt) , ## arg); \
} while (0)
#else
#define cs_dbg(skt, lvl, fmt, arg...) do { } while (0)
#endif
#define cs_err(skt, fmt, arg...) \
printk(KERN_ERR "cs: %s: " fmt, (skt)->dev.bus_id , ## arg)
#endif /* _LINUX_CS_INTERNAL_H */
