include/pcmcia/ds.h - SHIFTPHONES/mainline/linux - Gitiles

 /*
  * ds.h -- 16-bit PCMCIA core support
  *
  * 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
  */

 #ifndef _LINUX_DS_H
 #define _LINUX_DS_H

 #ifdef __KERNEL__
 #include <linux/mod_devicetable.h>
 #endif

 #include <pcmcia/device_id.h>

 #ifdef __KERNEL__
 #include <linux/device.h>
 #include <pcmcia/ss.h>
 #include <asm/atomic.h>

 /*
  * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
  * a.k.a. PCI drivers
  */
 struct pcmcia_socket;
 struct pcmcia_device;
 struct config_t;
 struct net_device;

 /* dynamic device IDs for PCMCIA device drivers. See
  * Documentation/pcmcia/driver.txt for details.
 */
 struct pcmcia_dynids {
 	struct mutex		lock;
 	struct list_head	list;
 };

 struct pcmcia_driver {
 	int (*probe)		(struct pcmcia_device *dev);
 	void (*remove)		(struct pcmcia_device *dev);

 	int (*suspend)		(struct pcmcia_device *dev);
 	int (*resume)		(struct pcmcia_device *dev);

 	struct module		*owner;
 	struct pcmcia_device_id	*id_table;
 	struct device_driver	drv;
 	struct pcmcia_dynids	dynids;
 };

 /* driver registration */
 int pcmcia_register_driver(struct pcmcia_driver *driver);
 void pcmcia_unregister_driver(struct pcmcia_driver *driver);

 /* for struct resource * array embedded in struct pcmcia_device */
 enum {
 	PCMCIA_IOPORT_0,
 	PCMCIA_IOPORT_1,
 	PCMCIA_IOMEM_0,
 	PCMCIA_IOMEM_1,
 	PCMCIA_IOMEM_2,
 	PCMCIA_IOMEM_3,
 	PCMCIA_NUM_RESOURCES,
 };

 struct pcmcia_device {
 	/* the socket and the device_no [for multifunction devices]
 	   uniquely define a pcmcia_device */
 	struct pcmcia_socket	*socket;

 	char			*devname;

 	u8			device_no;

 	/* the hardware "function" device; certain subdevices can
 	 * share one hardware "function" device. */
 	u8			func;
 	struct config_t		*function_config;

 	struct list_head	socket_device_list;

 	/* deprecated, will be cleaned up soon */
 	config_req_t		conf;

 	/* device setup */
 	unsigned int		irq;
 	struct resource		*resource[PCMCIA_NUM_RESOURCES];
 	unsigned int		vpp;

 	unsigned int		io_lines; /* number of I/O lines */
 	unsigned int		config_base;
 	unsigned int		config_index;
 	unsigned int		config_regs;	/* PRESENT_ flags below */

 	/* Is the device suspended? */
 	u16			suspended:1;

 	/* Flags whether io, irq, win configurations were
 	 * requested, and whether the configuration is "locked" */
 	u16			_irq:1;
 	u16			_io:1;
 	u16			_win:4;
 	u16			_locked:1;

 	/* Flag whether a "fuzzy" func_id based match is
 	 * allowed. */
 	u16			allow_func_id_match:1;

 	/* information about this device */
 	u16			has_manf_id:1;
 	u16			has_card_id:1;
 	u16			has_func_id:1;

 	u16			reserved:4;

 	u8			func_id;
 	u16			manf_id;
 	u16			card_id;

 	char			*prod_id[4];

 	u64			dma_mask;
 	struct device		dev;

 	/* data private to drivers */
 	void			*priv;
 	unsigned int		open;
 };

 #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
 #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)


 /*
  * CIS access.
  *
  * Please use the following functions to access CIS tuples:
  * - pcmcia_get_tuple()
  * - pcmcia_loop_tuple()
  * - pcmcia_get_mac_from_cis()
  *
  * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
  * might change in future.
  */

 /* get the very first CIS entry of type @code. Note that buf is pointer
  * to u8 *buf; and that you need to kfree(buf) afterwards. */
 size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
 			u8 **buf);

 /* loop over CIS entries */
 int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
 		      int (*loop_tuple) (struct pcmcia_device *p_dev,
 					 tuple_t *tuple,
 					 void *priv_data),
 		      void *priv_data);

 /* get the MAC address from CISTPL_FUNCE */
 int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
 			    struct net_device *dev);


 /* parse a tuple_t */
 int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse);

 /* loop CIS entries for valid configuration */
 int pcmcia_loop_config(struct pcmcia_device *p_dev,
 		       int	(*conf_check)	(struct pcmcia_device *p_dev,
 						 cistpl_cftable_entry_t *cf,
 						 cistpl_cftable_entry_t *dflt,
 						 unsigned int vcc,
 						 void *priv_data),
 		       void *priv_data);

 /* is the device still there? */
 struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev);

 /* low-level interface reset */
 int pcmcia_reset_card(struct pcmcia_socket *skt);

 /* CIS config */
 int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val);
 int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);

 /* device configuration */
 int pcmcia_request_io(struct pcmcia_device *p_dev);

 int __must_check
 __pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
 				irq_handler_t handler);
 static inline __must_check __deprecated int
 pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
 				irq_handler_t handler)
 {
 	return __pcmcia_request_exclusive_irq(p_dev, handler);
 }

 int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
 				irq_handler_t handler);

 int pcmcia_request_configuration(struct pcmcia_device *p_dev,
 				 config_req_t *req);

 int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res,
 			unsigned int speed);
 int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res);
 int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res,
 			unsigned int offset);

 int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp);
 int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev);

 void pcmcia_disable_device(struct pcmcia_device *p_dev);

 /* IO ports */
 #define IO_DATA_PATH_WIDTH	0x18
 #define IO_DATA_PATH_WIDTH_8	0x00
 #define IO_DATA_PATH_WIDTH_16	0x08
 #define IO_DATA_PATH_WIDTH_AUTO	0x10

 /* convert flag found in cfgtable to data path width parameter */
 static inline int pcmcia_io_cfg_data_width(unsigned int flags)
 {
 	if (!(flags & CISTPL_IO_8BIT))
 		return IO_DATA_PATH_WIDTH_16;
 	if (!(flags & CISTPL_IO_16BIT))
 		return IO_DATA_PATH_WIDTH_8;
 	return IO_DATA_PATH_WIDTH_AUTO;
 }

 /* IO memory */
 #define WIN_MEMORY_TYPE_CM	0x00 /* default */
 #define WIN_MEMORY_TYPE_AM	0x20 /* MAP_ATTRIB */
 #define WIN_DATA_WIDTH_8	0x00 /* default */
 #define WIN_DATA_WIDTH_16	0x02 /* MAP_16BIT */
 #define WIN_ENABLE		0x01 /* MAP_ACTIVE */
 #define WIN_USE_WAIT		0x40 /* MAP_USE_WAIT */

 #define WIN_FLAGS_MAP		0x63 /* MAP_ATTRIB | MAP_16BIT | MAP_ACTIVE |
 					MAP_USE_WAIT */
 #define WIN_FLAGS_REQ		0x1c /* mapping to socket->win[i]:
 					0x04 -> 0
 					0x08 -> 1
 					0x0c -> 2
 					0x10 -> 3 */

 /* config_reg{ister}s present for this PCMCIA device */
 #define PRESENT_OPTION		0x001
 #define PRESENT_STATUS		0x002
 #define PRESENT_PIN_REPLACE	0x004
 #define PRESENT_COPY		0x008
 #define PRESENT_EXT_STATUS	0x010
 #define PRESENT_IOBASE_0	0x020
 #define PRESENT_IOBASE_1	0x040
 #define PRESENT_IOBASE_2	0x080
 #define PRESENT_IOBASE_3	0x100
 #define PRESENT_IOSIZE		0x200

 #endif /* __KERNEL__ */

 #endif /* _LINUX_DS_H */
	/*
	* ds.h -- 16-bit PCMCIA core support
	*
	* 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
	*/

	#ifndef _LINUX_DS_H
	#define _LINUX_DS_H

	#ifdef __KERNEL__
	#include <linux/mod_devicetable.h>
	#endif

	#include <pcmcia/device_id.h>

	#ifdef __KERNEL__
	#include <linux/device.h>
	#include <pcmcia/ss.h>
	#include <asm/atomic.h>

	/*
	* PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus
	* a.k.a. PCI drivers
	*/
	struct pcmcia_socket;
	struct pcmcia_device;
	struct config_t;
	struct net_device;

	/* dynamic device IDs for PCMCIA device drivers. See
	* Documentation/pcmcia/driver.txt for details.
	*/
	struct pcmcia_dynids {
	struct mutex lock;
	struct list_head list;
	};

	struct pcmcia_driver {
	int (probe) (struct pcmcia_device dev);
	void (remove) (struct pcmcia_device dev);

	int (suspend) (struct pcmcia_device dev);
	int (resume) (struct pcmcia_device dev);

	struct module *owner;
	struct pcmcia_device_id *id_table;
	struct device_driver drv;
	struct pcmcia_dynids dynids;
	};

	/* driver registration */
	int pcmcia_register_driver(struct pcmcia_driver *driver);
	void pcmcia_unregister_driver(struct pcmcia_driver *driver);

	/* for struct resource * array embedded in struct pcmcia_device */
	enum {
	PCMCIA_IOPORT_0,
	PCMCIA_IOPORT_1,
	PCMCIA_IOMEM_0,
	PCMCIA_IOMEM_1,
	PCMCIA_IOMEM_2,
	PCMCIA_IOMEM_3,
	PCMCIA_NUM_RESOURCES,
	};

	struct pcmcia_device {
	/* the socket and the device_no [for multifunction devices]
	uniquely define a pcmcia_device */
	struct pcmcia_socket *socket;

	char *devname;

	u8 device_no;

	/* the hardware "function" device; certain subdevices can
	* share one hardware "function" device. */
	u8 func;
	struct config_t *function_config;

	struct list_head socket_device_list;

	/* deprecated, will be cleaned up soon */
	config_req_t conf;

	/* device setup */
	unsigned int irq;
	struct resource *resource[PCMCIA_NUM_RESOURCES];
	unsigned int vpp;

	unsigned int io_lines; /* number of I/O lines */
	unsigned int config_base;
	unsigned int config_index;
	unsigned int config_regs; /* PRESENT_ flags below */

	/* Is the device suspended? */
	u16 suspended:1;

	/* Flags whether io, irq, win configurations were
	* requested, and whether the configuration is "locked" */
	u16 _irq:1;
	u16 _io:1;
	u16 _win:4;
	u16 _locked:1;

	/* Flag whether a "fuzzy" func_id based match is
	* allowed. */
	u16 allow_func_id_match:1;

	/* information about this device */
	u16 has_manf_id:1;
	u16 has_card_id:1;
	u16 has_func_id:1;

	u16 reserved:4;

	u8 func_id;
	u16 manf_id;
	u16 card_id;

	char *prod_id[4];

	u64 dma_mask;
	struct device dev;

	/* data private to drivers */
	void *priv;
	unsigned int open;
	};

	#define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
	#define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)


	/*
	* CIS access.
	*
	* Please use the following functions to access CIS tuples:
	* - pcmcia_get_tuple()
	* - pcmcia_loop_tuple()
	* - pcmcia_get_mac_from_cis()
	*
	* To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface
	* might change in future.
	*/

	/* get the very first CIS entry of type @code. Note that buf is pointer
	* to u8 buf; and that you need to kfree(buf) afterwards. /
	size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code,
	u8 **buf);

	/* loop over CIS entries */
	int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code,
	int (loop_tuple) (struct pcmcia_device p_dev,
	tuple_t *tuple,
	void *priv_data),
	void *priv_data);

	/* get the MAC address from CISTPL_FUNCE */
	int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev,
	struct net_device *dev);


	/* parse a tuple_t */
	int pcmcia_parse_tuple(tuple_t tuple, cisparse_t parse);

	/* loop CIS entries for valid configuration */
	int pcmcia_loop_config(struct pcmcia_device *p_dev,
	int (conf_check) (struct pcmcia_device p_dev,
	cistpl_cftable_entry_t *cf,
	cistpl_cftable_entry_t *dflt,
	unsigned int vcc,
	void *priv_data),
	void *priv_data);

	/* is the device still there? */
	struct pcmcia_device pcmcia_dev_present(struct pcmcia_device p_dev);

	/* low-level interface reset */
	int pcmcia_reset_card(struct pcmcia_socket *skt);

	/* CIS config */
	int pcmcia_read_config_byte(struct pcmcia_device p_dev, off_t where, u8 val);
	int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val);

	/* device configuration */
	int pcmcia_request_io(struct pcmcia_device *p_dev);

	int __must_check
	__pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
	irq_handler_t handler);
	static inline __must_check __deprecated int
	pcmcia_request_exclusive_irq(struct pcmcia_device *p_dev,
	irq_handler_t handler)
	{
	return __pcmcia_request_exclusive_irq(p_dev, handler);
	}

	int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev,
	irq_handler_t handler);

	int pcmcia_request_configuration(struct pcmcia_device *p_dev,
	config_req_t *req);

	int pcmcia_request_window(struct pcmcia_device p_dev, struct resource res,
	unsigned int speed);
	int pcmcia_release_window(struct pcmcia_device p_dev, struct resource res);
	int pcmcia_map_mem_page(struct pcmcia_device p_dev, struct resource res,
	unsigned int offset);

	int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp);
	int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev);

	void pcmcia_disable_device(struct pcmcia_device *p_dev);

	/* IO ports */
	#define IO_DATA_PATH_WIDTH 0x18
	#define IO_DATA_PATH_WIDTH_8 0x00
	#define IO_DATA_PATH_WIDTH_16 0x08
	#define IO_DATA_PATH_WIDTH_AUTO 0x10

	/* convert flag found in cfgtable to data path width parameter */
	static inline int pcmcia_io_cfg_data_width(unsigned int flags)
	{
	if (!(flags & CISTPL_IO_8BIT))
	return IO_DATA_PATH_WIDTH_16;
	if (!(flags & CISTPL_IO_16BIT))
	return IO_DATA_PATH_WIDTH_8;
	return IO_DATA_PATH_WIDTH_AUTO;
	}

	/* IO memory */
	#define WIN_MEMORY_TYPE_CM 0x00 /* default */
	#define WIN_MEMORY_TYPE_AM 0x20 /* MAP_ATTRIB */
	#define WIN_DATA_WIDTH_8 0x00 /* default */
	#define WIN_DATA_WIDTH_16 0x02 /* MAP_16BIT */
	#define WIN_ENABLE 0x01 /* MAP_ACTIVE */
	#define WIN_USE_WAIT 0x40 /* MAP_USE_WAIT */

	#define WIN_FLAGS_MAP 0x63 /* MAP_ATTRIB \| MAP_16BIT \| MAP_ACTIVE \|
	MAP_USE_WAIT */
	#define WIN_FLAGS_REQ 0x1c /* mapping to socket->win[i]:
	0x04 -> 0
	0x08 -> 1
	0x0c -> 2
	0x10 -> 3 */

	/* config_reg{ister}s present for this PCMCIA device */
	#define PRESENT_OPTION 0x001
	#define PRESENT_STATUS 0x002
	#define PRESENT_PIN_REPLACE 0x004
	#define PRESENT_COPY 0x008
	#define PRESENT_EXT_STATUS 0x010
	#define PRESENT_IOBASE_0 0x020
	#define PRESENT_IOBASE_1 0x040
	#define PRESENT_IOBASE_2 0x080
	#define PRESENT_IOBASE_3 0x100
	#define PRESENT_IOSIZE 0x200

	#endif /* __KERNEL__ */

	#endif /* _LINUX_DS_H */