[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / pcmcia / cs_internal.h

/*
 * cs_internal.h -- definitions internal to the PCMCIA core modules
 *
 * 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
 * (C) 2003 - 2008	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))

/* Each card function gets one of these guys */
typedef struct config_t {
	struct kref	ref;
	unsigned int	state;
	unsigned int	Attributes;
	unsigned int	IntType;
	unsigned int	ConfigBase;
	unsigned char	Status, Pin, Copy, Option, ExtStatus;
	unsigned 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_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);
	}
}

#ifdef CONFIG_PCMCIA_DEBUG
extern int cs_debug_level(int);

#define cs_dbg(skt, lvl, fmt, arg...) do {		\
	if (cs_debug_level(lvl))			\
		dev_printk(KERN_DEBUG, &skt->dev,	\
		 "cs: " fmt, ## arg);			\
} while (0)
#define __cs_dbg(lvl, fmt, arg...) do {			\
	if (cs_debug_level(lvl))			\
		printk(KERN_DEBUG 			\
		 "cs: " fmt, ## arg);			\
} while (0)

#else
#define cs_dbg(skt, lvl, fmt, arg...) do { } while (0)
#define __cs_dbg(lvl, fmt, arg...) do { } while (0)
#endif

#define cs_err(skt, fmt, arg...) \
	dev_printk(KERN_ERR, &skt->dev, "cs: " fmt, ## arg)


/*
 * Stuff internal to module "pcmcia_core":
 */

/* cistpl.c */
int verify_cis_cache(struct pcmcia_socket *s);

/* rsrc_mgr.c */
void release_resource_db(struct pcmcia_socket *s);

/* 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);
int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len,
		void *ptr);


/*
 * Stuff exported by module "pcmcia_core" to module "pcmcia"
 */

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);
};

/* 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_reset_card(struct pcmcia_socket *skt);
int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c);

/* 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 pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
		      cisdata_t code, void *parse);

/* rsrc_mgr.c */
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);

/*
 * Stuff internal to module "pcmcia".
 */
/* ds.c */
extern struct bus_type pcmcia_bus_type;

/* pcmcia_resource.c */
extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);

#ifdef CONFIG_PCMCIA_IOCTL
/* ds.c */
extern spinlock_t pcmcia_dev_list_lock;

extern struct pcmcia_device *pcmcia_get_dev(struct pcmcia_device *p_dev);
extern void pcmcia_put_dev(struct pcmcia_device *p_dev);

struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s,
					unsigned int function);

/* pcmcia_ioctl.c */
extern void __init pcmcia_setup_ioctl(void);
extern void __exit pcmcia_cleanup_ioctl(void);
extern void handle_event(struct pcmcia_socket *s, event_t event);
extern int handle_request(struct pcmcia_socket *s, event_t event);

#else /* CONFIG_PCMCIA_IOCTL */

static inline void __init pcmcia_setup_ioctl(void) { return; }
static inline void __exit pcmcia_cleanup_ioctl(void) { return; }
static inline void handle_event(struct pcmcia_socket *s, event_t event)
{
	return;
}
static inline int handle_request(struct pcmcia_socket *s, event_t event)
{
	return 0;
}

#endif /* CONFIG_PCMCIA_IOCTL */

#endif /* _LINUX_CS_INTERNAL_H */
Commit	Line	Data
1da177e4	1	/*
dc953e55	2	* cs_internal.h -- definitions internal to the PCMCIA core modules
1da177e4 LT	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*
	8	* The initial developer of the original code is David A. Hinds
	9	* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
	10	* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
	11	*
	12	* (C) 1999 David A. Hinds
dc953e55 DB	13	* (C) 2003 - 2008 Dominik Brodowski
	14	*
	15	*
	16	* This file contains definitions _only_ needed by the PCMCIA core modules.
	17	* It must not be included by PCMCIA socket drivers or by PCMCIA device
	18	* drivers.
1da177e4 LT	19	*/
	20
	21	#ifndef _LINUX_CS_INTERNAL_H
	22	#define _LINUX_CS_INTERNAL_H
	23
360b65b9	24	#include <linux/kref.h>
1da177e4	25
1da177e4	26	/* Flags in client state */
e2d40963	27	#define CLIENT_WIN_REQ(i) (0x1<<(i))
1da177e4	28
1da177e4 LT	29	/* Each card function gets one of these guys */
1da177e4 LT	30	typedef struct config_t {
360b65b9	31	struct kref ref;
dc953e55 DB	32	unsigned int state;
	33	unsigned int Attributes;
	34	unsigned int IntType;
	35	unsigned int ConfigBase;
	36	unsigned char Status, Pin, Copy, Option, ExtStatus;
	37	unsigned int CardValues;
	38	io_req_t io;
	39	struct {
	40	u_int Attributes;
	41	} irq;
1da177e4 LT	42	} config_t;
1da177e4 LT	43
dc953e55	44
1da177e4 LT	45	struct cis_cache_entry {
	46	struct list_head node;
	47	unsigned int addr;
	48	unsigned int len;
	49	unsigned int attr;
	50	unsigned char cache[0];
	51	};
	52
	53	/* Flags in config state */
	54	#define CONFIG_LOCKED 0x01
	55	#define CONFIG_IRQ_REQ 0x02
	56	#define CONFIG_IO_REQ 0x04
	57
	58	/* Flags in socket state */
	59	#define SOCKET_PRESENT 0x0008
	60	#define SOCKET_INUSE 0x0010
	61	#define SOCKET_SUSPEND 0x0080
	62	#define SOCKET_WIN_REQ(i) (0x0100<<(i))
1da177e4 LT	63	#define SOCKET_CARDBUS 0x8000
	64	#define SOCKET_CARDBUS_CONFIG 0x10000
	65
	66	static inline int cs_socket_get(struct pcmcia_socket *skt)
	67	{
	68	int ret;
	69
	70	WARN_ON(skt->state & SOCKET_INUSE);
	71
	72	ret = try_module_get(skt->owner);
	73	if (ret)
	74	skt->state \|= SOCKET_INUSE;
	75	return ret;
	76	}
	77
	78	static inline void cs_socket_put(struct pcmcia_socket *skt)
	79	{
	80	if (skt->state & SOCKET_INUSE) {
	81	skt->state &= ~SOCKET_INUSE;
	82	module_put(skt->owner);
	83	}
	84	}
	85
7d16b658	86	#ifdef CONFIG_PCMCIA_DEBUG
1da177e4 LT	87	extern int cs_debug_level(int);
	88
	89	#define cs_dbg(skt, lvl, fmt, arg...) do { \
	90	if (cs_debug_level(lvl)) \
2e55bf6b DB	91	dev_printk(KERN_DEBUG, &skt->dev, \
2e55bf6b DB	92	"cs: " fmt, ## arg); \
1da177e4	93	} while (0)
3f9c5f4c DB	94	#define __cs_dbg(lvl, fmt, arg...) do { \
	95	if (cs_debug_level(lvl)) \
	96	printk(KERN_DEBUG \
	97	"cs: " fmt, ## arg); \
	98	} while (0)
1da177e4 LT	99
	100	#else
	101	#define cs_dbg(skt, lvl, fmt, arg...) do { } while (0)
3f9c5f4c	102	#define __cs_dbg(lvl, fmt, arg...) do { } while (0)
1da177e4 LT	103	#endif
	104
	105	#define cs_err(skt, fmt, arg...) \
2e55bf6b	106	dev_printk(KERN_ERR, &skt->dev, "cs: " fmt, ## arg)
1da177e4	107
dc953e55 DB	108
	109	/*
	110	* Stuff internal to module "pcmcia_core":
	111	*/
	112
	113	/* cistpl.c */
	114	int verify_cis_cache(struct pcmcia_socket *s);
	115
	116	/* rsrc_mgr.c */
	117	void release_resource_db(struct pcmcia_socket *s);
	118
	119	/* socket_sysfs.c */
	120	extern int pccard_sysfs_add_socket(struct device *dev);
	121	extern void pccard_sysfs_remove_socket(struct device *dev);
	122
	123	/* cardbus.c */
	124	int cb_alloc(struct pcmcia_socket *s);
	125	void cb_free(struct pcmcia_socket *s);
	126	int read_cb_mem(struct pcmcia_socket *s, int space, u_int addr, u_int len,
	127	void *ptr);
	128
	129
	130
	131	/*
	132	* Stuff exported by module "pcmcia_core" to module "pcmcia"
	133	*/
	134
	135	struct pcmcia_callback{
	136	struct module *owner;
	137	int (event) (struct pcmcia_socket s,
	138	event_t event, int priority);
	139	void (requery) (struct pcmcia_socket s, int new_cis);
	140	int (suspend) (struct pcmcia_socket s);
	141	int (resume) (struct pcmcia_socket s);
	142	};
	143
	144	/* cs.c */
	145	extern struct rw_semaphore pcmcia_socket_list_rwsem;
	146	extern struct list_head pcmcia_socket_list;
	147	int pcmcia_get_window(struct pcmcia_socket *s,
	148	window_handle_t *handle,
	149	int idx,
	150	win_req_t *req);
	151	int pccard_reset_card(struct pcmcia_socket *skt);
	152	int pccard_register_pcmcia(struct pcmcia_socket s, struct pcmcia_callback c);
	153
	154	/* cistpl.c */
	155	int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr,
	156	u_int addr, u_int len, void *ptr);
	157	void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr,
	158	u_int addr, u_int len, void *ptr);
	159	void release_cis_mem(struct pcmcia_socket *s);
	160	void destroy_cis_cache(struct pcmcia_socket *s);
	161	int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
	162	cisdata_t code, void *parse);
	163
	164	/* rsrc_mgr.c */
	165	int pcmcia_validate_mem(struct pcmcia_socket *s);
	166	struct resource *pcmcia_find_io_region(unsigned long base,
	167	int num,
	168	unsigned long align,
	169	struct pcmcia_socket *s);
	170	int pcmcia_adjust_io_region(struct resource *res,
	171	unsigned long r_start,
172	unsigned long r_end,
173	struct pcmcia_socket *s);
174	struct resource *pcmcia_find_mem_region(u_long base,
175	u_long num,
176	u_long align,
177	int low,
178	struct pcmcia_socket *s);
179
b60a5ede DB	180	/*
	181	* Stuff internal to module "pcmcia".
	182	*/
	183	/* ds.c */
	184	extern struct bus_type pcmcia_bus_type;
	185
	186	/* pcmcia_resource.c */
	187	extern int pcmcia_release_configuration(struct pcmcia_device *p_dev);
	188
	189	#ifdef CONFIG_PCMCIA_IOCTL
	190	/* ds.c */
	191	extern spinlock_t pcmcia_dev_list_lock;
	192
	193	extern struct pcmcia_device pcmcia_get_dev(struct pcmcia_device p_dev);
	194	extern void pcmcia_put_dev(struct pcmcia_device *p_dev);
	195
	196	struct pcmcia_device pcmcia_device_add(struct pcmcia_socket s,
	197	unsigned int function);
	198
	199	/* pcmcia_ioctl.c */
	200	extern void __init pcmcia_setup_ioctl(void);
	201	extern void __exit pcmcia_cleanup_ioctl(void);
	202	extern void handle_event(struct pcmcia_socket *s, event_t event);
	203	extern int handle_request(struct pcmcia_socket *s, event_t event);
	204
	205	#else /* CONFIG_PCMCIA_IOCTL */
	206
	207	static inline void __init pcmcia_setup_ioctl(void) { return; }
	208	static inline void __exit pcmcia_cleanup_ioctl(void) { return; }
	209	static inline void handle_event(struct pcmcia_socket *s, event_t event)
	210	{
	211	return;
	212	}
	213	static inline int handle_request(struct pcmcia_socket *s, event_t event)
	214	{
	215	return 0;
	216	}
	217
	218	#endif /* CONFIG_PCMCIA_IOCTL */
	219
1da177e4	220	#endif /* _LINUX_CS_INTERNAL_H */