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 unsigned int Attributes; 37 unsigned int IntType; 38 unsigned int ConfigBase; 39 unsigned char Option; 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 51 struct 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 59 struct 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 */ 91 extern int static_init(struct pcmcia_socket *s); 92 extern 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 */ 101 extern int pccard_sysfs_add_socket(struct device *dev); 102 extern void pccard_sysfs_remove_socket(struct device *dev); 103 104 /* cardbus.c */ 105 int cb_alloc(struct pcmcia_socket *s); 106 void cb_free(struct pcmcia_socket *s); 107 108 109 110 /* 111 * Stuff exported by module "pcmcia_core" to module "pcmcia" 112 */ 113 114 struct 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 */ 126 extern struct rw_semaphore pcmcia_socket_list_rwsem; 127 extern struct list_head pcmcia_socket_list; 128 extern struct class pcmcia_socket_class; 129 130 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 131 struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 132 133 void 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 139 140 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 141 void pcmcia_put_socket(struct pcmcia_socket *skt); 142 143 /* 144 * Stuff internal to module "pcmcia". 145 */ 146 /* ds.c */ 147 extern struct bus_type pcmcia_bus_type; 148 149 struct pcmcia_device; 150 151 /* pcmcia_resource.c */ 152 extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 153 extern int pcmcia_validate_mem(struct pcmcia_socket *s); 154 extern 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); 159 160 void pcmcia_cleanup_irq(struct pcmcia_socket *s); 161 int pcmcia_setup_irq(struct pcmcia_device *p_dev); 162 163 /* cistpl.c */ 164 extern struct bin_attribute pccard_cis_attr; 165 166 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 167 u_int addr, u_int len, void *ptr); 168 int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 169 u_int addr, u_int len, void *ptr); 170 void release_cis_mem(struct pcmcia_socket *s); 171 void destroy_cis_cache(struct pcmcia_socket *s); 172 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 173 cisdata_t code, void *parse); 174 int pcmcia_replace_cis(struct pcmcia_socket *s, 175 const u8 *data, const size_t len); 176 int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 177 int verify_cis_cache(struct pcmcia_socket *s); 178 179 int 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)); 184 185 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 186 tuple_t *tuple); 187 188 int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 189 tuple_t *tuple); 190 191 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 192 193 #endif /* _LINUX_CS_INTERNAL_H */ 194