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 37 struct resource io[MAX_IO_WIN]; /* io ports */ 38 struct resource mem[MAX_WIN]; /* mem areas */ 39} config_t; 40 41 42struct cis_cache_entry { 43 struct list_head node; 44 unsigned int addr; 45 unsigned int len; 46 unsigned int attr; 47 unsigned char cache[0]; 48}; 49 50struct pccard_resource_ops { 51 int (*validate_mem) (struct pcmcia_socket *s); 52 int (*find_io) (struct pcmcia_socket *s, 53 unsigned int attr, 54 unsigned int *base, 55 unsigned int num, 56 unsigned int align, 57 struct resource **parent); 58 struct resource* (*find_mem) (unsigned long base, unsigned long num, 59 unsigned long align, int low, 60 struct pcmcia_socket *s); 61 int (*init) (struct pcmcia_socket *s); 62 void (*exit) (struct pcmcia_socket *s); 63}; 64 65/* Flags in config state */ 66#define CONFIG_LOCKED 0x01 67#define CONFIG_IRQ_REQ 0x02 68#define CONFIG_IO_REQ 0x04 69 70/* Flags in socket state */ 71#define SOCKET_PRESENT 0x0008 72#define SOCKET_INUSE 0x0010 73#define SOCKET_SUSPEND 0x0080 74#define SOCKET_WIN_REQ(i) (0x0100<<(i)) 75#define SOCKET_CARDBUS 0x8000 76#define SOCKET_CARDBUS_CONFIG 0x10000 77 78 79/* 80 * Stuff internal to module "pcmcia_rsrc": 81 */ 82extern int static_init(struct pcmcia_socket *s); 83extern struct resource *pcmcia_make_resource(unsigned long start, 84 unsigned long end, 85 int flags, const char *name); 86 87/* 88 * Stuff internal to module "pcmcia_core": 89 */ 90 91/* socket_sysfs.c */ 92extern int pccard_sysfs_add_socket(struct device *dev); 93extern void pccard_sysfs_remove_socket(struct device *dev); 94 95/* cardbus.c */ 96int cb_alloc(struct pcmcia_socket *s); 97void cb_free(struct pcmcia_socket *s); 98 99 100 101/* 102 * Stuff exported by module "pcmcia_core" to module "pcmcia" 103 */ 104 105struct pcmcia_callback{ 106 struct module *owner; 107 int (*add) (struct pcmcia_socket *s); 108 int (*remove) (struct pcmcia_socket *s); 109 void (*requery) (struct pcmcia_socket *s); 110 int (*validate) (struct pcmcia_socket *s, unsigned int *i); 111 int (*suspend) (struct pcmcia_socket *s); 112 int (*early_resume) (struct pcmcia_socket *s); 113 int (*resume) (struct pcmcia_socket *s); 114}; 115 116/* cs.c */ 117extern struct rw_semaphore pcmcia_socket_list_rwsem; 118extern struct list_head pcmcia_socket_list; 119extern struct class pcmcia_socket_class; 120 121int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 122struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 123 124void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); 125#define PCMCIA_UEVENT_EJECT 0x0001 126#define PCMCIA_UEVENT_INSERT 0x0002 127#define PCMCIA_UEVENT_SUSPEND 0x0004 128#define PCMCIA_UEVENT_RESUME 0x0008 129#define PCMCIA_UEVENT_REQUERY 0x0010 130 131struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 132void pcmcia_put_socket(struct pcmcia_socket *skt); 133 134/* 135 * Stuff internal to module "pcmcia". 136 */ 137/* ds.c */ 138extern struct bus_type pcmcia_bus_type; 139 140struct pcmcia_device; 141 142/* pcmcia_resource.c */ 143extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 144extern int pcmcia_validate_mem(struct pcmcia_socket *s); 145extern struct resource *pcmcia_find_mem_region(u_long base, 146 u_long num, 147 u_long align, 148 int low, 149 struct pcmcia_socket *s); 150 151void pcmcia_cleanup_irq(struct pcmcia_socket *s); 152int pcmcia_setup_irq(struct pcmcia_device *p_dev); 153 154/* cistpl.c */ 155extern struct bin_attribute pccard_cis_attr; 156 157int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 158 u_int addr, u_int len, void *ptr); 159int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 160 u_int addr, u_int len, void *ptr); 161void release_cis_mem(struct pcmcia_socket *s); 162void destroy_cis_cache(struct pcmcia_socket *s); 163int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 164 cisdata_t code, void *parse); 165int pcmcia_replace_cis(struct pcmcia_socket *s, 166 const u8 *data, const size_t len); 167int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 168int verify_cis_cache(struct pcmcia_socket *s); 169 170int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 171 cisdata_t code, cisparse_t *parse, void *priv_data, 172 int (*loop_tuple) (tuple_t *tuple, 173 cisparse_t *parse, 174 void *priv_data)); 175 176int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 177 tuple_t *tuple); 178 179int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 180 tuple_t *tuple); 181 182int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 183 184#endif /* _LINUX_CS_INTERNAL_H */ 185