diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
new file mode 100644
index 0000000..6d3413a
--- /dev/null
+++ b/include/pcmcia/ss.h
@@ -0,0 +1,265 @@
+/*
+ * ss.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_SS_H
+#define _LINUX_SS_H
+
+#include <pcmcia/cs_types.h>
+#include <pcmcia/cs.h>
+#include <pcmcia/bulkmem.h>
+#include <linux/device.h>
+
+/* Definitions for card status flags for GetStatus */
+#define SS_WRPROT	0x0001
+#define SS_CARDLOCK	0x0002
+#define SS_EJECTION	0x0004
+#define SS_INSERTION	0x0008
+#define SS_BATDEAD	0x0010
+#define SS_BATWARN	0x0020
+#define SS_READY	0x0040
+#define SS_DETECT	0x0080
+#define SS_POWERON	0x0100
+#define SS_GPI		0x0200
+#define SS_STSCHG	0x0400
+#define SS_CARDBUS	0x0800
+#define SS_3VCARD	0x1000
+#define SS_XVCARD	0x2000
+#define SS_PENDING	0x4000
+#define SS_ZVCARD	0x8000
+
+/* InquireSocket capabilities */
+#define SS_CAP_PAGE_REGS	0x0001
+#define SS_CAP_VIRTUAL_BUS	0x0002
+#define SS_CAP_MEM_ALIGN	0x0004
+#define SS_CAP_STATIC_MAP	0x0008
+#define SS_CAP_PCCARD		0x4000
+#define SS_CAP_CARDBUS		0x8000
+
+/* for GetSocket, SetSocket */
+typedef struct socket_state_t {
+    u_int	flags;
+    u_int	csc_mask;
+    u_char	Vcc, Vpp;
+    u_char	io_irq;
+} socket_state_t;
+
+extern socket_state_t dead_socket;
+
+/* Socket configuration flags */
+#define SS_PWR_AUTO	0x0010
+#define SS_IOCARD	0x0020
+#define SS_RESET	0x0040
+#define SS_DMA_MODE	0x0080
+#define SS_SPKR_ENA	0x0100
+#define SS_OUTPUT_ENA	0x0200
+
+/* Flags for I/O port and memory windows */
+#define MAP_ACTIVE	0x01
+#define MAP_16BIT	0x02
+#define MAP_AUTOSZ	0x04
+#define MAP_0WS		0x08
+#define MAP_WRPROT	0x10
+#define MAP_ATTRIB	0x20
+#define MAP_USE_WAIT	0x40
+#define MAP_PREFETCH	0x80
+
+/* Use this just for bridge windows */
+#define MAP_IOSPACE	0x20
+
+typedef struct pccard_io_map {
+    u_char	map;
+    u_char	flags;
+    u_short	speed;
+    kio_addr_t	start, stop;
+} pccard_io_map;
+
+typedef struct pccard_mem_map {
+    u_char	map;
+    u_char	flags;
+    u_short	speed;
+    u_long	static_start;
+    u_int	card_start;
+    struct resource *res;
+} pccard_mem_map;
+
+typedef struct cb_bridge_map {
+    u_char	map;
+    u_char	flags;
+    u_int	start, stop;
+} cb_bridge_map;
+
+/*
+ * Socket operations.
+ */
+struct pcmcia_socket;
+
+struct pccard_operations {
+	int (*init)(struct pcmcia_socket *sock);
+	int (*suspend)(struct pcmcia_socket *sock);
+	int (*register_callback)(struct pcmcia_socket *sock, void (*handler)(void *, unsigned int), void * info);
+	int (*get_status)(struct pcmcia_socket *sock, u_int *value);
+	int (*get_socket)(struct pcmcia_socket *sock, socket_state_t *state);
+	int (*set_socket)(struct pcmcia_socket *sock, socket_state_t *state);
+	int (*set_io_map)(struct pcmcia_socket *sock, struct pccard_io_map *io);
+	int (*set_mem_map)(struct pcmcia_socket *sock, struct pccard_mem_map *mem);
+};
+
+struct pccard_resource_ops {
+	void	(*validate_mem)		(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_io)	(unsigned long base, int num,
+					 unsigned long align,
+					 struct pcmcia_socket *s);
+	struct resource* (*find_mem)	(unsigned long base, unsigned long num,
+					 unsigned long align, int low,
+					 struct pcmcia_socket *s);
+	int	(*adjust_resource)	(struct pcmcia_socket *s,
+					 adjust_t *adj);
+	int	(*init)			(struct pcmcia_socket *s);
+	void	(*exit)			(struct pcmcia_socket *s);
+};
+/* SS_CAP_STATIC_MAP */
+extern struct pccard_resource_ops pccard_static_ops;
+/* !SS_CAP_STATIC_MAP */
+extern struct pccard_resource_ops pccard_nonstatic_ops;
+
+/*
+ *  Calls to set up low-level "Socket Services" drivers
+ */
+struct pcmcia_socket;
+
+typedef struct io_window_t {
+	u_int			Attributes;
+	kio_addr_t		BasePort, NumPorts;
+	kio_addr_t		InUse, Config;
+	struct resource		*res;
+} io_window_t;
+
+#define WINDOW_MAGIC	0xB35C
+typedef struct window_t {
+	u_short			magic;
+	u_short			index;
+	client_handle_t		handle;
+	struct pcmcia_socket 	*sock;
+	pccard_mem_map		ctl;
+} window_t;
+
+/* Maximum number of IO windows per socket */
+#define MAX_IO_WIN 2
+
+/* Maximum number of memory windows per socket */
+#define MAX_WIN 4
+
+struct config_t;
+struct pcmcia_callback;
+
+
+struct pcmcia_socket {
+	struct module			*owner;
+	spinlock_t			lock;
+	socket_state_t			socket;
+	u_int				state;
+	u_short				functions;
+	u_short				lock_count;
+	pccard_mem_map			cis_mem;
+	void __iomem 			*cis_virt;
+	struct config_t			*config;
+	struct {
+		u_int			AssignedIRQ;
+		u_int			Config;
+	} irq;
+	io_window_t			io[MAX_IO_WIN];
+	window_t			win[MAX_WIN];
+	struct list_head		cis_cache;
+	u_int				fake_cis_len;
+	char				*fake_cis;
+
+	struct list_head		socket_list;
+	struct completion		socket_released;
+
+ 	/* deprecated */
+	unsigned int			sock;		/* socket number */
+
+
+	/* socket capabilities */
+	u_int				features;
+	u_int				irq_mask;
+	u_int				map_size;
+	kio_addr_t			io_offset;
+	u_char				pci_irq;
+	struct pci_dev *		cb_dev;
+
+
+	/* socket setup is done so resources should be able to be allocated. Only
+	 * if set to 1, calls to find_{io,mem}_region are handled, and insertion
+	 * events are actually managed by the PCMCIA layer.*/
+	u8				resource_setup_done:1;
+
+	/* is set to one if resource setup is done using adjust_resource_info() */
+	u8				resource_setup_old:1;
+
+	u8				reserved:6;
+
+	/* socket operations */
+	struct pccard_operations *	ops;
+	struct pccard_resource_ops *	resource_ops;
+	void *				resource_data;
+
+	/* Zoom video behaviour is so chip specific its not worth adding
+	   this to _ops */
+	void 				(*zoom_video)(struct pcmcia_socket *, int);
+                           
+	/* state thread */
+	struct semaphore		skt_sem;	/* protects socket h/w state */
+
+	struct task_struct		*thread;
+	struct completion		thread_done;
+	wait_queue_head_t		thread_wait;
+	spinlock_t			thread_lock;	/* protects thread_events */
+	unsigned int			thread_events;
+
+	/* pcmcia (16-bit) */
+	struct pcmcia_bus_socket	*pcmcia;
+	struct pcmcia_callback		*callback;
+
+	/* cardbus (32-bit) */
+#ifdef CONFIG_CARDBUS
+	struct resource *		cb_cis_res;
+	void __iomem			*cb_cis_virt;
+#endif
+
+	/* socket device */
+	struct class_device		dev;
+	void				*driver_data;	/* data internal to the socket driver */
+
+};
+
+struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr);
+
+
+
+extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events);
+extern int pcmcia_register_socket(struct pcmcia_socket *socket);
+extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
+
+extern struct class pcmcia_socket_class;
+
+/* socket drivers are expected to use these callbacks in their .drv struct */
+extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state);
+extern int pcmcia_socket_dev_resume(struct device *dev);
+
+#endif /* _LINUX_SS_H */