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/*

 * cs_internal.h 1.57 2002/10/24 06:11:43

 *

 * The contents of this file are subject to the Mozilla Public License

 * Version 1.1 (the "License"); you may not use this file except in

 * compliance with the License. You may obtain a copy of the License

 * at http://www.mozilla.org/MPL/

 *

 * Software distributed under the License is distributed on an "AS IS"

 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See

 * the License for the specific language governing rights and

 * limitations under the License.

 *

 * 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.

 */

#ifndef _LINUX_CS_INTERNAL_H

#define _LINUX_CS_INTERNAL_H

#include <linux/config.h>

typedef struct erase_busy_t {

    eraseq_entry_t      *erase;

    client_handle_t     client;

    struct timer_list   timeout;

    struct erase_busy_t *prev, *next;

} erase_busy_t;

#define ERASEQ_MAGIC    0xFA67

typedef struct eraseq_t {

    u_short             eraseq_magic;

    client_handle_t     handle;

    int                 count;

    eraseq_entry_t      *entry;

} eraseq_t;

#define CLIENT_MAGIC    0x51E6

typedef struct client_t {

    u_short             client_magic;

    socket_t            Socket;

    u_char              Function;

    dev_info_t          dev_info;

    u_int               Attributes;

    u_int               state;

    event_t             EventMask, PendingEvents;

    int (*event_handler)(event_t event, int priority,

                         event_callback_args_t *);

    event_callback_args_t event_callback_args;

    struct client_t     *next;

    u_int               mtd_count;

    wait_queue_head_t   mtd_req;

    erase_busy_t        erase_busy;

} client_t;

/* 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)       (0x20<<(i))

#define CLIENT_CARDBUS          0x8000

typedef struct io_window_t {

    u_int               Attributes;

    ioaddr_t            BasePort, NumPorts;

    ioaddr_t            InUse, Config;

} io_window_t;

#define WINDOW_MAGIC    0xB35C

typedef struct window_t {

    u_short             magic;

    u_short             index;

    client_handle_t     handle;

    struct socket_info_t *sock;

    u_long              base;

    u_long              size;

    pccard_mem_map      ctl;

} window_t;

#define REGION_MAGIC    0xE3C9

typedef struct region_t {

    u_short             region_magic;

    u_short             state;

    dev_info_t          dev_info;

    client_handle_t     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 {

    u_int               state;

    u_int               Attributes;

    u_int               Vcc, Vpp1, Vpp2;

    u_int               IntType;

    u_int               ConfigBase;

    u_char              Status, Pin, Copy, Option, ExtStatus;

    u_int               Present;

    u_int               CardValues;

    io_req_t            io;

    struct {

        u_int           Attributes;

    } irq;

} config_t;

/* Maximum number of IO windows per socket */

#define MAX_IO_WIN 2

/* Maximum number of memory windows per socket */

#define MAX_WIN 4

/* The size of the CIS cache */

#define MAX_CIS_TABLE   64

#define MAX_CIS_DATA    512

typedef struct socket_info_t {

    spinlock_t                  lock;

    struct pccard_operations *  ss_entry;

    u_int                       sock;

    socket_state_t              socket;

    socket_cap_t                cap;

    u_int                       state;

    u_short                     functions;

    u_short                     lock_count;

    client_handle_t             clients;

    u_int                       real_clients;

    client_handle_t             reset_handle;

    pccard_mem_map              cis_mem;

    u_char                      *cis_virt;

    config_t                    *config;

#ifdef CONFIG_CARDBUS

    struct resource *           cb_cis_res;

    u_char                      *cb_cis_virt;

    struct cb_config_t          *cb_config;

#endif

    struct {

        u_int                   AssignedIRQ;

        u_int                   Config;

    } irq;

    io_window_t                 io[MAX_IO_WIN];

    window_t                    win[MAX_WIN];

    region_t                    *c_region, *a_region;

    erase_busy_t                erase_busy;

    int                         cis_used;

    struct {

        u_int                   addr;

        u_short                 len;

        u_short                 attr;

    }                           cis_table[MAX_CIS_TABLE];

    char                        cis_cache[MAX_CIS_DATA];

    u_int                       fake_cis_len;

    char                        *fake_cis;

#ifdef CONFIG_PROC_FS

    struct proc_dir_entry       *proc;

#endif

    int                         use_bus_pm;

} socket_info_t;

/* 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_SETUP_PENDING    0x0010

#define SOCKET_SHUTDOWN_PENDING 0x0020

#define SOCKET_RESET_PENDING    0x0040

#define SOCKET_SUSPEND          0x0080

#define SOCKET_WIN_REQ(i)       (0x0100<<(i))

#define SOCKET_IO_REQ(i)        (0x1000<<(i))

#define SOCKET_REGION_INFO      0x4000

#define SOCKET_CARDBUS          0x8000

#define CHECK_HANDLE(h) \

    (((h) == NULL) || ((h)->client_magic != CLIENT_MAGIC))

#define CHECK_SOCKET(s) \

    (((s) >= sockets) || (socket_table[s]->ss_entry == NULL))

#define SOCKET(h) (socket_table[(h)->Socket])

#define CONFIG(h) (&SOCKET(h)->config[(h)->Function])

#define CHECK_REGION(r) \

    (((r) == NULL) || ((r)->region_magic != REGION_MAGIC))

#define CHECK_ERASEQ(q) \

    (((q) == NULL) || ((q)->eraseq_magic != ERASEQ_MAGIC))

#define EVENT(h, e, p) \

    ((h)->event_handler((e), (p), &(h)->event_callback_args))

/* In cardbus.c */

int cb_alloc(socket_info_t *s);

void cb_free(socket_info_t *s);

int cb_config(socket_info_t *s);

void cb_release(socket_info_t *s);

void cb_enable(socket_info_t *s);

void cb_disable(socket_info_t *s);

int read_cb_mem(socket_info_t *s, u_char fn, int space,

                u_int addr, u_int len, void *ptr);

void cb_release_cis_mem(socket_info_t *s);

/* In cistpl.c */

int read_cis_mem(socket_info_t *s, int attr,

                 u_int addr, u_int len, void *ptr);

void write_cis_mem(socket_info_t *s, int attr,

                   u_int addr, u_int len, void *ptr);

void release_cis_mem(socket_info_t *s);

int verify_cis_cache(socket_info_t *s);

void preload_cis_cache(socket_info_t *s);

int get_first_tuple(client_handle_t handle, tuple_t *tuple);

int get_next_tuple(client_handle_t handle, tuple_t *tuple);

int get_tuple_data(client_handle_t handle, tuple_t *tuple);

int parse_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse);

int validate_cis(client_handle_t handle, cisinfo_t *info);

int replace_cis(client_handle_t handle, cisdump_t *cis);

int read_tuple(client_handle_t handle, cisdata_t code, void *parse);

/* In bulkmem.c */

void retry_erase_list(struct erase_busy_t *list, u_int cause);

int get_first_region(client_handle_t handle, region_info_t *rgn);

int get_next_region(client_handle_t handle, region_info_t *rgn);

int register_mtd(client_handle_t handle, mtd_reg_t *reg);

int register_erase_queue(client_handle_t *handle, eraseq_hdr_t *header);

int deregister_erase_queue(eraseq_handle_t eraseq);

int check_erase_queue(eraseq_handle_t eraseq);

int open_memory(client_handle_t *handle, open_mem_t *open);

int close_memory(memory_handle_t handle);

int read_memory(memory_handle_t handle, mem_op_t *req, caddr_t buf);

int write_memory(memory_handle_t handle, mem_op_t *req, caddr_t buf);

int copy_memory(memory_handle_t handle, copy_op_t *req);

/* In rsrc_mgr */

void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),

                  int force_low, socket_info_t *s);

int find_io_region(ioaddr_t *base, ioaddr_t num, ioaddr_t align,

                   char *name, socket_info_t *s);

int find_mem_region(u_long *base, u_long num, u_long align,

                    int force_low, char *name, socket_info_t *s);

int try_irq(u_int Attributes, int irq, int specific);

void undo_irq(u_int Attributes, int irq);

int adjust_resource_info(client_handle_t handle, adjust_t *adj);

void release_resource_db(void);

int proc_read_io(char *buf, char **start, off_t pos,

                 int count, int *eof, void *data);

int proc_read_mem(char *buf, char **start, off_t pos,

                  int count, int *eof, void *data);

#define MAX_SOCK 8

extern socket_t sockets;

extern socket_info_t *socket_table[MAX_SOCK];

#ifdef CONFIG_PROC_FS

extern struct proc_dir_entry *proc_pccard;

#endif

#ifdef PCMCIA_DEBUG

extern int pc_debug;

#define DEBUG(n, args...) do { if (pc_debug>(n)) printk(KERN_DEBUG args); } while (0)

#else

#define DEBUG(n, args...) do { } while (0)

#endif

#endif /* _LINUX_CS_INTERNAL_H */