/* * 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 #include <linux/config.h> #include <linux/device.h> #include <linux/sched.h> /* task_struct, completion */ #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/bulkmem.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; kio_addr_t start, stop; } pccard_io_map; typedef struct pccard_mem_map { u_char map; u_char flags; u_short speed; u_long static_start; u_int card_start; struct resource *res; } pccard_mem_map; typedef struct cb_bridge_map { u_char map; u_char flags; u_int start, stop; } cb_bridge_map; /* * Socket operations. */ struct pcmcia_socket; struct pccard_operations { int (*init)(struct pcmcia_socket *sock); int (*suspend)(struct pcmcia_socket *sock); int (*register_callback)(struct pcmcia_socket *sock, void (*handler)(void *, unsigned int), void * info); int (*get_status)(struct pcmcia_socket *sock, u_int *value); int (*get_socket)(struct pcmcia_socket *sock, socket_state_t *state); int (*set_socket)(struct pcmcia_socket *sock, socket_state_t *state); int (*set_io_map)(struct pcmcia_socket *sock, struct pccard_io_map *io); int (*set_mem_map)(struct pcmcia_socket *sock, struct pccard_mem_map *mem); }; struct pccard_resource_ops { void (*validate_mem) (struct pcmcia_socket *s); int (*adjust_io_region) (struct resource *res, unsigned long r_start, unsigned long r_end, struct pcmcia_socket *s); struct resource* (*find_io) (unsigned long base, int num, unsigned long align, struct pcmcia_socket *s); struct resource* (*find_mem) (unsigned long base, unsigned long num, unsigned long align, int low, struct pcmcia_socket *s); int (*adjust_resource) (struct pcmcia_socket *s, adjust_t *adj); int (*init) (struct pcmcia_socket *s); void (*exit) (struct pcmcia_socket *s); }; /* SS_CAP_STATIC_MAP */ extern struct pccard_resource_ops pccard_static_ops; /* !SS_CAP_STATIC_MAP */ extern struct pccard_resource_ops pccard_nonstatic_ops; /* * Calls to set up low-level "Socket Services" drivers */ struct pcmcia_socket; typedef struct io_window_t { u_int Attributes; kio_addr_t BasePort, NumPorts; kio_addr_t InUse, Config; struct resource *res; } io_window_t; #define WINDOW_MAGIC 0xB35C typedef struct window_t { u_short magic; u_short index; client_handle_t handle; struct pcmcia_socket *sock; pccard_mem_map ctl; } 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 struct config_t; struct pcmcia_callback; struct user_info_t; struct pcmcia_socket { struct module *owner; spinlock_t lock; socket_state_t socket; u_int state; u_short functions; u_short lock_count; pccard_mem_map cis_mem; void __iomem *cis_virt; struct config_t *config; struct { u_int AssignedIRQ; u_int Config; } irq; io_window_t io[MAX_IO_WIN]; window_t win[MAX_WIN]; struct list_head cis_cache; u_int fake_cis_len; char *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; kio_addr_t io_offset; u_char 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 insertion * events are actually managed by the PCMCIA layer.*/ u8 resource_setup_done:1; /* is set to one if resource setup is done using adjust_resource_info() */ u8 resource_setup_old:1; u8 resource_setup_new:1; u8 reserved:5; /* 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); #ifdef CONFIG_CARDBUS /* allows tuning the CB bridge before loading driver for the CB card */ void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus); #endif /* state thread */ struct semaphore skt_sem; /* protects socket h/w state */ struct task_struct *thread; struct completion thread_done; wait_queue_head_t thread_wait; spinlock_t thread_lock; /* protects thread_events */ unsigned int thread_events; /* pcmcia (16-bit) */ struct pcmcia_callback *callback; #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE) struct list_head devices_list; /* PCMCIA devices */ u8 device_count; /* the number of devices, used * only internally and subject * to incorrectness and change */ struct { u8 present:1, /* PCMCIA card is present in socket */ busy:1, /* "master" ioctl is used */ dead:1, /* pcmcia module is being unloaded */ device_add_pending:1, /* a pseudo-multifunction-device * add event is pending */ reserved:4; } pcmcia_state; struct work_struct device_add; /* for adding further pseudo-multifunction * devices */ #ifdef CONFIG_PCMCIA_IOCTL struct user_info_t *user; wait_queue_head_t queue; #endif #endif /* cardbus (32-bit) */ #ifdef CONFIG_CARDBUS struct resource * cb_cis_res; void __iomem *cb_cis_virt; #endif /* socket device */ struct class_device dev; void *driver_data; /* data internal to the socket driver */ }; struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr); extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events); extern int pcmcia_register_socket(struct pcmcia_socket *socket); extern void pcmcia_unregister_socket(struct pcmcia_socket *socket); extern struct class pcmcia_socket_class; /* socket drivers are expected to use these callbacks in their .drv struct */ extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state); extern int pcmcia_socket_dev_resume(struct device *dev); #endif /* _LINUX_SS_H */