Release 4.7 include/pcmcia/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 <linux/interrupt.h>
#include <pcmcia/ss.h>
#include <linux/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 {
	
const char		*name;

	
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;
	
const 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);

/**
 * module_pcmcia_driver() - Helper macro for registering a pcmcia driver
 * @__pcmcia_driver: pcmcia_driver struct
 *
 * Helper macro for pcmcia drivers which do not do anything special in module
 * init/exit. This eliminates a lot of boilerplate. Each module may only use
 * this macro once, and calling it replaces module_init() and module_exit().
 */

#define module_pcmcia_driver(__pcmcia_driver) \
	module_driver(__pcmcia_driver, pcmcia_register_driver, \
                        pcmcia_unregister_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;

	/* device setup */
	
unsigned int		irq;
	
struct resource		*resource[PCMCIA_NUM_RESOURCES];
	
resource_size_t		card_addr;	/* for the 1st IOMEM resource */
	
unsigned int		vpp;

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

	/* 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,
						 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);
}

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

int pcmcia_enable_device(struct pcmcia_device *p_dev);

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

/* 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

/* flags to be passed to pcmcia_enable_device() */

#define CONF_ENABLE_IRQ         0x0001

#define CONF_ENABLE_SPKR        0x0002

#define CONF_ENABLE_PULSE_IRQ   0x0004

#define CONF_ENABLE_ESR         0x0008

#define CONF_ENABLE_IOCARD	0x0010 
/* auto-enabled if IO resources or IRQ
                                        * (CONF_ENABLE_IRQ) in use */

#define CONF_ENABLE_ZVCARD	0x0020

/* flags used by pcmcia_loop_config() autoconfiguration */

#define CONF_AUTO_CHECK_VCC	0x0100 
/* check for matching Vcc? */

#define CONF_AUTO_SET_VPP	0x0200 
/* set Vpp? */

#define CONF_AUTO_AUDIO		0x0400 
/* enable audio line? */

#define CONF_AUTO_SET_IO	0x0800 
/* set ->resource[0,1] */

#define CONF_AUTO_SET_IOMEM	0x1000 
/* set ->resource[2] */

#endif /* __KERNEL__ */

#endif /* _LINUX_DS_H */
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Directory: include/pcmcia

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