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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
* are Copyright ( C ) 1999 David A . Hinds . All Rights Reserved .
*
* ( C ) 1999 David A . Hinds
*/
# ifndef _LINUX_SS_H
# define _LINUX_SS_H
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# include <linux/device.h>
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# include <linux/sched.h> /* task_struct, completion */
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# include <linux/mutex.h>
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# include <pcmcia/cs.h>
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# ifdef CONFIG_CARDBUS
# include <linux/pci.h>
# endif
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/* 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 {
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u_int flags ;
u_int csc_mask ;
u_char Vcc , Vpp ;
u_char io_irq ;
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} 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
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/* power hook operations */
# define HOOK_POWER_PRE 0x01
# define HOOK_POWER_POST 0x02
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typedef struct pccard_io_map {
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u_char map ;
u_char flags ;
u_short speed ;
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phys_addr_t start , stop ;
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} pccard_io_map ;
typedef struct pccard_mem_map {
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u_char map ;
u_char flags ;
u_short speed ;
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phys_addr_t static_start ;
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u_int card_start ;
struct resource * res ;
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} pccard_mem_map ;
typedef struct io_window_t {
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u_int InUse , Config ;
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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
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/*
* Socket operations .
*/
struct pcmcia_socket ;
struct pccard_resource_ops ;
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struct config_t ;
struct pcmcia_callback ;
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struct user_info_t ;
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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 ) ;
} ;
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struct pcmcia_socket {
struct module * owner ;
socket_state_t socket ;
u_int state ;
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u_int suspended_state ; /* state before suspend */
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u_short functions ;
u_short lock_count ;
pccard_mem_map cis_mem ;
void __iomem * cis_virt ;
io_window_t io [ MAX_IO_WIN ] ;
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pccard_mem_map win [ MAX_WIN ] ;
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struct list_head cis_cache ;
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size_t fake_cis_len ;
u8 * fake_cis ;
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struct list_head socket_list ;
struct completion socket_released ;
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/* deprecated */
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unsigned int sock ; /* socket number */
/* socket capabilities */
u_int features ;
u_int irq_mask ;
u_int map_size ;
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u_int io_offset ;
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u_int pci_irq ;
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struct pci_dev * cb_dev ;
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/* 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 . */
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u8 resource_setup_done ;
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/* socket operations */
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struct pccard_operations * ops ;
struct pccard_resource_ops * resource_ops ;
void * resource_data ;
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/* Zoom video behaviour is so chip specific its not worth adding
this to _ops */
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void ( * zoom_video ) ( struct pcmcia_socket * ,
int ) ;
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/* so is power hook */
int ( * power_hook ) ( struct pcmcia_socket * sock , int operation ) ;
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/* allows tuning the CB bridge before loading driver for the CB card */
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# ifdef CONFIG_CARDBUS
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void ( * tune_bridge ) ( struct pcmcia_socket * sock , struct pci_bus * bus ) ;
# endif
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/* state thread */
struct task_struct * thread ;
struct completion thread_done ;
unsigned int thread_events ;
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unsigned int sysfs_events ;
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/* For the non-trivial interaction between these locks,
* see Documentation / pcmcia / locking . txt */
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struct mutex skt_mutex ;
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struct mutex ops_mutex ;
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/* protects thread_events and sysfs_events */
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spinlock_t thread_lock ;
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/* pcmcia (16-bit) */
struct pcmcia_callback * callback ;
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# if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
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/* 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 ;
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/* does the PCMCIA card consist of two pseudo devices? */
u8 pcmcia_pfc ;
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/* non-zero if PCMCIA card is present */
atomic_t present ;
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/* IRQ to be used by PCMCIA devices. May not be IRQ 0. */
unsigned int pcmcia_irq ;
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# endif /* CONFIG_PCMCIA */
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/* socket device */
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struct device dev ;
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/* data internal to the socket driver */
void * driver_data ;
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/* status of the card during resume from a system sleep state */
int resume_status ;
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} ;
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/* 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
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* If this option is selected , use
* " select PCCARD_IODYN " in Kconfig .
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* - pccard_nonstatic_ops iomem and ioport areas are assigned dynamically .
* If this option is selected , use
* " select PCCARD_NONSTATIC " in Kconfig .
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*
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*/
extern struct pccard_resource_ops pccard_static_ops ;
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# if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
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extern struct pccard_resource_ops pccard_iodyn_ops ;
extern struct pccard_resource_ops pccard_nonstatic_ops ;
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# else
/* If PCMCIA is not used, but only CARDBUS, these functions are not used
* at all . Therefore , do not use the large ( 240 K ! ) rsrc_nonstatic module
*/
# define pccard_iodyn_ops pccard_static_ops
# define pccard_nonstatic_ops pccard_static_ops
# endif
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/* socket drivers use this callback in their IRQ handler */
extern void pcmcia_parse_events ( struct pcmcia_socket * socket ,
unsigned int events ) ;
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/* to register and unregister a socket */
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extern int pcmcia_register_socket ( struct pcmcia_socket * socket ) ;
extern void pcmcia_unregister_socket ( struct pcmcia_socket * socket ) ;
# endif /* _LINUX_SS_H */