| 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 */ |
| 33 | typedef 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 | |
| 42 | struct 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 | |
| 50 | struct 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 | */ |
| 82 | extern int static_init(struct pcmcia_socket *s); |
| 83 | extern 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 */ |
| 92 | extern int pccard_sysfs_add_socket(struct device *dev); |
| 93 | extern void pccard_sysfs_remove_socket(struct device *dev); |
| 94 | |
| 95 | /* cardbus.c */ |
| 96 | int cb_alloc(struct pcmcia_socket *s); |
| 97 | void cb_free(struct pcmcia_socket *s); |
| 98 | |
| 99 | |
| 100 | |
| 101 | /* |
| 102 | * Stuff exported by module "pcmcia_core" to module "pcmcia" |
| 103 | */ |
| 104 | |
| 105 | struct 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 */ |
| 117 | extern struct rw_semaphore pcmcia_socket_list_rwsem; |
| 118 | extern struct list_head pcmcia_socket_list; |
| 119 | extern struct class pcmcia_socket_class; |
| 120 | |
| 121 | int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); |
| 122 | struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); |
| 123 | |
| 124 | void 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 | |
| 131 | struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); |
| 132 | void pcmcia_put_socket(struct pcmcia_socket *skt); |
| 133 | |
| 134 | /* |
| 135 | * Stuff internal to module "pcmcia". |
| 136 | */ |
| 137 | /* ds.c */ |
| 138 | extern struct bus_type pcmcia_bus_type; |
| 139 | |
| 140 | struct pcmcia_device; |
| 141 | |
| 142 | /* pcmcia_resource.c */ |
| 143 | extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); |
| 144 | extern int pcmcia_validate_mem(struct pcmcia_socket *s); |
| 145 | extern 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 | |
| 151 | void pcmcia_cleanup_irq(struct pcmcia_socket *s); |
| 152 | int pcmcia_setup_irq(struct pcmcia_device *p_dev); |
| 153 | |
| 154 | /* cistpl.c */ |
| 155 | extern struct bin_attribute pccard_cis_attr; |
| 156 | |
| 157 | int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, |
| 158 | u_int addr, u_int len, void *ptr); |
| 159 | int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, |
| 160 | u_int addr, u_int len, void *ptr); |
| 161 | void release_cis_mem(struct pcmcia_socket *s); |
| 162 | void destroy_cis_cache(struct pcmcia_socket *s); |
| 163 | int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, |
| 164 | cisdata_t code, void *parse); |
| 165 | int pcmcia_replace_cis(struct pcmcia_socket *s, |
| 166 | const u8 *data, const size_t len); |
| 167 | int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); |
| 168 | int verify_cis_cache(struct pcmcia_socket *s); |
| 169 | |
| 170 | int 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 | |
| 176 | int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, |
| 177 | tuple_t *tuple); |
| 178 | |
| 179 | int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, |
| 180 | tuple_t *tuple); |
| 181 | |
| 182 | int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); |
| 183 | |
| 184 | #endif /* _LINUX_CS_INTERNAL_H */ |