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 38 struct resource io[MAX_IO_WIN]; /* io ports */ 39 struct resource mem[MAX_WIN]; /* mem areas */ 40 41 struct { 42 u_int Attributes; 43 } irq; 44 } config_t; 45 46 47 struct cis_cache_entry { 48 struct list_head node; 49 unsigned int addr; 50 unsigned int len; 51 unsigned int attr; 52 unsigned char cache[0]; 53 }; 54 55 struct pccard_resource_ops { 56 int (*validate_mem) (struct pcmcia_socket *s); 57 int (*find_io) (struct pcmcia_socket *s, 58 unsigned int attr, 59 unsigned int *base, 60 unsigned int num, 61 unsigned int align, 62 struct resource **parent); 63 struct resource* (*find_mem) (unsigned long base, unsigned long num, 64 unsigned long align, int low, 65 struct pcmcia_socket *s); 66 int (*init) (struct pcmcia_socket *s); 67 void (*exit) (struct pcmcia_socket *s); 68 }; 69 70 /* Flags in config state */ 71 #define CONFIG_LOCKED 0x01 72 #define CONFIG_IRQ_REQ 0x02 73 #define CONFIG_IO_REQ 0x04 74 75 /* Flags in socket state */ 76 #define SOCKET_PRESENT 0x0008 77 #define SOCKET_INUSE 0x0010 78 #define SOCKET_SUSPEND 0x0080 79 #define SOCKET_WIN_REQ(i) (0x0100<<(i)) 80 #define SOCKET_CARDBUS 0x8000 81 #define SOCKET_CARDBUS_CONFIG 0x10000 82 83 84 /* 85 * Stuff internal to module "pcmcia_rsrc": 86 */ 87 extern int static_init(struct pcmcia_socket *s); 88 extern struct resource *pcmcia_make_resource(unsigned long start, 89 unsigned long end, 90 int flags, const char *name); 91 92 /* 93 * Stuff internal to module "pcmcia_core": 94 */ 95 96 /* socket_sysfs.c */ 97 extern int pccard_sysfs_add_socket(struct device *dev); 98 extern void pccard_sysfs_remove_socket(struct device *dev); 99 100 /* cardbus.c */ 101 int cb_alloc(struct pcmcia_socket *s); 102 void cb_free(struct pcmcia_socket *s); 103 104 105 106 /* 107 * Stuff exported by module "pcmcia_core" to module "pcmcia" 108 */ 109 110 struct pcmcia_callback{ 111 struct module *owner; 112 int (*add) (struct pcmcia_socket *s); 113 int (*remove) (struct pcmcia_socket *s); 114 void (*requery) (struct pcmcia_socket *s); 115 int (*validate) (struct pcmcia_socket *s, unsigned int *i); 116 int (*suspend) (struct pcmcia_socket *s); 117 int (*early_resume) (struct pcmcia_socket *s); 118 int (*resume) (struct pcmcia_socket *s); 119 }; 120 121 /* cs.c */ 122 extern struct rw_semaphore pcmcia_socket_list_rwsem; 123 extern struct list_head pcmcia_socket_list; 124 extern struct class pcmcia_socket_class; 125 126 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 127 struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 128 129 void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); 130 #define PCMCIA_UEVENT_EJECT 0x0001 131 #define PCMCIA_UEVENT_INSERT 0x0002 132 #define PCMCIA_UEVENT_SUSPEND 0x0004 133 #define PCMCIA_UEVENT_RESUME 0x0008 134 #define PCMCIA_UEVENT_REQUERY 0x0010 135 136 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 137 void pcmcia_put_socket(struct pcmcia_socket *skt); 138 139 /* 140 * Stuff internal to module "pcmcia". 141 */ 142 /* ds.c */ 143 extern struct bus_type pcmcia_bus_type; 144 145 struct pcmcia_device; 146 147 /* pcmcia_resource.c */ 148 extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 149 extern int pcmcia_validate_mem(struct pcmcia_socket *s); 150 extern struct resource *pcmcia_find_mem_region(u_long base, 151 u_long num, 152 u_long align, 153 int low, 154 struct pcmcia_socket *s); 155 156 void pcmcia_cleanup_irq(struct pcmcia_socket *s); 157 int pcmcia_setup_irq(struct pcmcia_device *p_dev); 158 159 /* cistpl.c */ 160 extern struct bin_attribute pccard_cis_attr; 161 162 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 163 u_int addr, u_int len, void *ptr); 164 int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 165 u_int addr, u_int len, void *ptr); 166 void release_cis_mem(struct pcmcia_socket *s); 167 void destroy_cis_cache(struct pcmcia_socket *s); 168 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 169 cisdata_t code, void *parse); 170 int pcmcia_replace_cis(struct pcmcia_socket *s, 171 const u8 *data, const size_t len); 172 int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 173 int verify_cis_cache(struct pcmcia_socket *s); 174 175 int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 176 cisdata_t code, cisparse_t *parse, void *priv_data, 177 int (*loop_tuple) (tuple_t *tuple, 178 cisparse_t *parse, 179 void *priv_data)); 180 181 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 182 tuple_t *tuple); 183 184 int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 185 tuple_t *tuple); 186 187 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 188 189 #endif /* _LINUX_CS_INTERNAL_H */ 190