linux/include/pcmcia/ss.h at master · fabgithub/linux · GitHub

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* 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

#ifndef _LINUX_SS_H

#define _LINUX_SS_H

#include <linux/device.h>

#include <linux/sched.h> /* task_struct, completion */

#include <linux/mutex.h>

#ifdef CONFIG_CARDBUS

#include <linux/pci.h>

#endif

/* 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

/* power hook operations */

#define HOOK_POWER_PRE 0x01

#define HOOK_POWER_POST 0x02

typedef struct pccard_io_map {

u_char map;

u_char flags;

u_short speed;

phys_addr_t start, stop;

} pccard_io_map;

typedef struct pccard_mem_map {

u_char map;

u_char flags;

u_short speed;

phys_addr_t static_start;

u_int card_start;

struct resource *res;

} pccard_mem_map;

typedef struct io_window_t {

u_int InUse, Config;

struct resource *res;

} io_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

* Socket operations.

struct pcmcia_socket;

struct pccard_resource_ops;

struct config_t;

struct pcmcia_callback;

struct user_info_t;

struct pccard_operations {

int (*init)(struct pcmcia_socket *s);

int (*suspend)(struct pcmcia_socket *s);

int (*get_status)(struct pcmcia_socket *s, u_int *value);

int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);

int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);

int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);

};

struct pcmcia_socket {

struct module *owner;

socket_state_t socket;

u_int state;

u_int suspended_state; /* state before suspend */

u_short functions;

u_short lock_count;

pccard_mem_map cis_mem;

void __iomem *cis_virt;

io_window_t io[MAX_IO_WIN];

pccard_mem_map win[MAX_WIN];

struct list_head cis_cache;

size_t fake_cis_len;

u8 *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;

u_int io_offset;

u_int 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

* insertio events are actually managed by the PCMCIA layer.*/

u8 resource_setup_done;

/* 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);

/* so is power hook */

int (*power_hook)(struct pcmcia_socket *sock, int operation);

/* allows tuning the CB bridge before loading driver for the CB card */

#ifdef CONFIG_CARDBUS

void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);

#endif

/* state thread */

struct task_struct *thread;

struct completion thread_done;

unsigned int thread_events;

unsigned int sysfs_events;

/* For the non-trivial interaction between these locks,

* see Documentation/pcmcia/locking.txt */

struct mutex skt_mutex;

struct mutex ops_mutex;

/* protects thread_events and sysfs_events */

spinlock_t thread_lock;

/* pcmcia (16-bit) */

struct pcmcia_callback *callback;

#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)

/* The following elements refer to 16-bit PCMCIA devices inserted

* into the socket */

struct list_head devices_list;

/* the number of devices, used only internally and subject to

* incorrectness and change */

u8 device_count;

/* does the PCMCIA card consist of two pseudo devices? */

u8 pcmcia_pfc;

/* non-zero if PCMCIA card is present */

atomic_t present;

/* IRQ to be used by PCMCIA devices. May not be IRQ 0. */

unsigned int pcmcia_irq;

#endif /* CONFIG_PCMCIA */

/* socket device */

struct device dev;

/* data internal to the socket driver */

void *driver_data;

/* status of the card during resume from a system sleep state */

int resume_status;

};

/* socket drivers must define the resource operations type they use. There

* are three options:

* - pccard_static_ops iomem and ioport areas are assigned statically

* - pccard_iodyn_ops iomem areas is assigned statically, ioport

* areas dynamically

* If this option is selected, use

* "select PCCARD_IODYN" in Kconfig.

* - pccard_nonstatic_ops iomem and ioport areas are assigned dynamically.

* If this option is selected, use

* "select PCCARD_NONSTATIC" in Kconfig.

extern struct pccard_resource_ops pccard_static_ops;

#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)

extern struct pccard_resource_ops pccard_iodyn_ops;

extern struct pccard_resource_ops pccard_nonstatic_ops;

#else

/* If PCMCIA is not used, but only CARDBUS, these functions are not used

* at all. Therefore, do not use the large (240K!) rsrc_nonstatic module

#define pccard_iodyn_ops pccard_static_ops

#define pccard_nonstatic_ops pccard_static_ops

#endif

/* socket drivers use this callback in their IRQ handler */

extern void pcmcia_parse_events(struct pcmcia_socket *socket,

unsigned int events);

/* to register and unregister a socket */

extern int pcmcia_register_socket(struct pcmcia_socket *socket);

extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);

#endif /* _LINUX_SS_H */

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