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Diffstat (limited to '')
| -rw-r--r-- | drivers/pcmcia/cs_internal.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h new file mode 100644 index 000000000..580369f3c --- /dev/null +++ b/drivers/pcmcia/cs_internal.h @@ -0,0 +1,175 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * cs_internal.h -- definitions internal to the PCMCIA core modules + * + * 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 + * (C) 2003 - 2010 Dominik Brodowski + * + * This file contains definitions _only_ needed by the PCMCIA core modules. + * It must not be included by PCMCIA socket drivers or by PCMCIA device + * drivers. + */ + +#ifndef _LINUX_CS_INTERNAL_H +#define _LINUX_CS_INTERNAL_H + +#include <linux/kref.h> + +/* Flags in client state */ +#define CLIENT_WIN_REQ(i) (0x1<<(i)) + +/* Flag to access all functions */ +#define BIND_FN_ALL 0xff + +/* Each card function gets one of these guys */ +typedef struct config_t { + struct kref ref; + unsigned int state; + + struct resource io[MAX_IO_WIN]; /* io ports */ + struct resource mem[MAX_WIN]; /* mem areas */ +} config_t; + + +struct cis_cache_entry { + struct list_head node; + unsigned int addr; + unsigned int len; + unsigned int attr; + unsigned char cache[]; +}; + +struct pccard_resource_ops { + int (*validate_mem) (struct pcmcia_socket *s); + int (*find_io) (struct pcmcia_socket *s, + unsigned int attr, + unsigned int *base, + unsigned int num, + unsigned int align, + struct resource **parent); + struct resource* (*find_mem) (unsigned long base, unsigned long num, + unsigned long align, int low, + struct pcmcia_socket *s); + int (*init) (struct pcmcia_socket *s); + void (*exit) (struct pcmcia_socket *s); +}; + +/* 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_IN_RESUME 0x0040 +#define SOCKET_SUSPEND 0x0080 +#define SOCKET_WIN_REQ(i) (0x0100<<(i)) +#define SOCKET_CARDBUS 0x8000 +#define SOCKET_CARDBUS_CONFIG 0x10000 + + +/* + * Stuff internal to module "pcmcia_rsrc": + */ +extern int static_init(struct pcmcia_socket *s); +extern struct resource *pcmcia_make_resource(resource_size_t start, + resource_size_t end, + unsigned long flags, const char *name); + +/* + * Stuff internal to module "pcmcia_core": + */ + +/* socket_sysfs.c */ +extern int pccard_sysfs_add_socket(struct device *dev); +extern void pccard_sysfs_remove_socket(struct device *dev); + +/* cardbus.c */ +int cb_alloc(struct pcmcia_socket *s); +void cb_free(struct pcmcia_socket *s); + + + +/* + * Stuff exported by module "pcmcia_core" to module "pcmcia" + */ + +struct pcmcia_callback{ + struct module *owner; + int (*add) (struct pcmcia_socket *s); + int (*remove) (struct pcmcia_socket *s); + void (*requery) (struct pcmcia_socket *s); + int (*validate) (struct pcmcia_socket *s, unsigned int *i); + int (*suspend) (struct pcmcia_socket *s); + int (*early_resume) (struct pcmcia_socket *s); + int (*resume) (struct pcmcia_socket *s); +}; + +/* cs.c */ +extern struct rw_semaphore pcmcia_socket_list_rwsem; +extern struct list_head pcmcia_socket_list; +extern struct class pcmcia_socket_class; + +int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); +struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); + +void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); +#define PCMCIA_UEVENT_EJECT 0x0001 +#define PCMCIA_UEVENT_INSERT 0x0002 +#define PCMCIA_UEVENT_SUSPEND 0x0004 +#define PCMCIA_UEVENT_RESUME 0x0008 +#define PCMCIA_UEVENT_REQUERY 0x0010 + +struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); +void pcmcia_put_socket(struct pcmcia_socket *skt); + +/* + * Stuff internal to module "pcmcia". + */ +/* ds.c */ +extern struct bus_type pcmcia_bus_type; + +struct pcmcia_device; + +/* pcmcia_resource.c */ +extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); +extern int pcmcia_validate_mem(struct pcmcia_socket *s); +extern struct resource *pcmcia_find_mem_region(u_long base, + u_long num, + u_long align, + int low, + struct pcmcia_socket *s); + +void pcmcia_cleanup_irq(struct pcmcia_socket *s); +int pcmcia_setup_irq(struct pcmcia_device *p_dev); + +/* cistpl.c */ +extern const struct bin_attribute pccard_cis_attr; + +int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, + u_int addr, u_int len, void *ptr); +int 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 pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, + cisdata_t code, void *parse); +int pcmcia_replace_cis(struct pcmcia_socket *s, + const u8 *data, const size_t len); +int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); +int verify_cis_cache(struct pcmcia_socket *s); + +int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, + tuple_t *tuple); + +int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, + tuple_t *tuple); + +int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); + +#endif /* _LINUX_CS_INTERNAL_H */ |