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Diffstat (limited to 'include/pcmcia/ss.h')
| -rw-r--r-- | include/pcmcia/ss.h | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h new file mode 100644 index 0000000..6d3413a --- /dev/null +++ b/include/pcmcia/ss.h @@ -0,0 +1,265 @@ +/* + * 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 <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/bulkmem.h> +#include <linux/device.h> + +/* 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 + +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 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 reserved:6; + + /* 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); + + /* 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_bus_socket *pcmcia; + struct pcmcia_callback *callback; + + /* 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 */ |
