/* * 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 */