1/* 2 * cs_internal.h -- definitions internal to the PCMCIA core modules 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * The initial developer of the original code is David A. Hinds 9 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 10 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 11 * 12 * (C) 1999 David A. Hinds 13 * (C) 2003 - 2010 Dominik Brodowski 14 * 15 * 16 * This file contains definitions _only_ needed by the PCMCIA core modules. 17 * It must not be included by PCMCIA socket drivers or by PCMCIA device 18 * drivers. 19 */ 20 21#ifndef _LINUX_CS_INTERNAL_H 22#define _LINUX_CS_INTERNAL_H 23 24#include <linux/kref.h> 25 26/* Flags in client state */ 27#define CLIENT_WIN_REQ(i) (0x1<<(i)) 28 29/* Flag to access all functions */ 30#define BIND_FN_ALL 0xff 31 32/* Each card function gets one of these guys */ 33typedef struct config_t { 34 struct kref ref; 35 unsigned int state; 36 unsigned int Attributes; 37 unsigned int IntType; 38 unsigned int ConfigBase; 39 unsigned char Status, Pin, Copy, Option, ExtStatus; 40 unsigned int CardValues; 41 42 struct resource io[MAX_IO_WIN]; /* io ports */ 43 struct resource mem[MAX_WIN]; /* mem areas */ 44 45 struct { 46 u_int Attributes; 47 } irq; 48} config_t; 49 50 51struct cis_cache_entry { 52 struct list_head node; 53 unsigned int addr; 54 unsigned int len; 55 unsigned int attr; 56 unsigned char cache[0]; 57}; 58 59struct pccard_resource_ops { 60 int (*validate_mem) (struct pcmcia_socket *s); 61 int (*find_io) (struct pcmcia_socket *s, 62 unsigned int attr, 63 unsigned int *base, 64 unsigned int num, 65 unsigned int align, 66 struct resource **parent); 67 struct resource* (*find_mem) (unsigned long base, unsigned long num, 68 unsigned long align, int low, 69 struct pcmcia_socket *s); 70 int (*init) (struct pcmcia_socket *s); 71 void (*exit) (struct pcmcia_socket *s); 72}; 73 74/* Flags in config state */ 75#define CONFIG_LOCKED 0x01 76#define CONFIG_IRQ_REQ 0x02 77#define CONFIG_IO_REQ 0x04 78 79/* Flags in socket state */ 80#define SOCKET_PRESENT 0x0008 81#define SOCKET_INUSE 0x0010 82#define SOCKET_SUSPEND 0x0080 83#define SOCKET_WIN_REQ(i) (0x0100<<(i)) 84#define SOCKET_CARDBUS 0x8000 85#define SOCKET_CARDBUS_CONFIG 0x10000 86 87 88/* 89 * Stuff internal to module "pcmcia_rsrc": 90 */ 91extern int static_init(struct pcmcia_socket *s); 92extern struct resource *pcmcia_make_resource(unsigned long start, 93 unsigned long end, 94 int flags, const char *name); 95 96/* 97 * Stuff internal to module "pcmcia_core": 98 */ 99 100/* socket_sysfs.c */ 101extern int pccard_sysfs_add_socket(struct device *dev); 102extern void pccard_sysfs_remove_socket(struct device *dev); 103 104/* cardbus.c */ 105int cb_alloc(struct pcmcia_socket *s); 106void cb_free(struct pcmcia_socket *s); 107 108 109 110/* 111 * Stuff exported by module "pcmcia_core" to module "pcmcia" 112 */ 113 114struct pcmcia_callback{ 115 struct module *owner; 116 int (*add) (struct pcmcia_socket *s); 117 int (*remove) (struct pcmcia_socket *s); 118 void (*requery) (struct pcmcia_socket *s); 119 int (*validate) (struct pcmcia_socket *s, unsigned int *i); 120 int (*suspend) (struct pcmcia_socket *s); 121 int (*early_resume) (struct pcmcia_socket *s); 122 int (*resume) (struct pcmcia_socket *s); 123}; 124 125/* cs.c */ 126extern struct rw_semaphore pcmcia_socket_list_rwsem; 127extern struct list_head pcmcia_socket_list; 128extern struct class pcmcia_socket_class; 129 130int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 131struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 132 133void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); 134#define PCMCIA_UEVENT_EJECT 0x0001 135#define PCMCIA_UEVENT_INSERT 0x0002 136#define PCMCIA_UEVENT_SUSPEND 0x0004 137#define PCMCIA_UEVENT_RESUME 0x0008 138#define PCMCIA_UEVENT_REQUERY 0x0010 139 140struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 141void pcmcia_put_socket(struct pcmcia_socket *skt); 142 143/* 144 * Stuff internal to module "pcmcia". 145 */ 146/* ds.c */ 147extern struct bus_type pcmcia_bus_type; 148 149struct pcmcia_device; 150 151/* pcmcia_resource.c */ 152extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 153extern int pcmcia_validate_mem(struct pcmcia_socket *s); 154extern struct resource *pcmcia_find_mem_region(u_long base, 155 u_long num, 156 u_long align, 157 int low, 158 struct pcmcia_socket *s); 159 160void pcmcia_cleanup_irq(struct pcmcia_socket *s); 161int pcmcia_setup_irq(struct pcmcia_device *p_dev); 162 163/* cistpl.c */ 164extern struct bin_attribute pccard_cis_attr; 165 166int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 167 u_int addr, u_int len, void *ptr); 168int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 169 u_int addr, u_int len, void *ptr); 170void release_cis_mem(struct pcmcia_socket *s); 171void destroy_cis_cache(struct pcmcia_socket *s); 172int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 173 cisdata_t code, void *parse); 174int pcmcia_replace_cis(struct pcmcia_socket *s, 175 const u8 *data, const size_t len); 176int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 177int verify_cis_cache(struct pcmcia_socket *s); 178 179int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 180 cisdata_t code, cisparse_t *parse, void *priv_data, 181 int (*loop_tuple) (tuple_t *tuple, 182 cisparse_t *parse, 183 void *priv_data)); 184 185int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 186 tuple_t *tuple); 187 188int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 189 tuple_t *tuple); 190 191int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 192 193#endif /* _LINUX_CS_INTERNAL_H */ 194