diff options
Diffstat (limited to 'drivers/pcmcia/cs_internal.h')
| -rw-r--r-- | drivers/pcmcia/cs_internal.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/pcmcia/cs_internal.h b/drivers/pcmcia/cs_internal.h new file mode 100644 index 000000000000..7933a7db49d3 --- /dev/null +++ b/drivers/pcmcia/cs_internal.h @@ -0,0 +1,185 @@ +/* + * 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/config.h> + +#define CLIENT_MAGIC 0x51E6 +typedef struct client_t 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 + +#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; + +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); + } +} + +#define CHECK_HANDLE(h) \ + (((h) == NULL) || ((h)->client_magic != CLIENT_MAGIC)) + +#define CHECK_SOCKET(s) \ + (((s) >= sockets) || (socket_table[s]->ops == NULL)) + +#define SOCKET(h) (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(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 read_cis_mem(struct pcmcia_socket *s, int attr, + u_int addr, u_int len, void *ptr); +void 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 */ +void pcmcia_validate_mem(struct pcmcia_socket *s); +struct resource *find_io_region(unsigned long base, int num, unsigned long align, + struct pcmcia_socket *s); +int adjust_io_region(struct resource *res, unsigned long r_start, + unsigned long r_end, struct pcmcia_socket *s); +struct resource *find_mem_region(u_long base, u_long num, u_long align, + int low, struct pcmcia_socket *s); +int adjust_resource_info(client_handle_t handle, adjust_t *adj); +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, unsigned int function, config_info_t *config); +int pccard_reset_card(struct pcmcia_socket *skt); +int pccard_get_status(struct pcmcia_socket *s, unsigned int function, cs_status_t *status); +int pccard_access_configuration_register(struct pcmcia_socket *s, unsigned int function, conf_reg_t *reg); + + +struct pcmcia_callback{ + struct module *owner; + int (*event) (struct pcmcia_socket *s, event_t event, int priority); + int (*resources_done) (struct pcmcia_socket *s); +}; + +int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); + +#define cs_socket_name(skt) ((skt)->dev.class_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.class_id , ## arg) + +#endif /* _LINUX_CS_INTERNAL_H */ |