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_IN_RESUME 0x0040 74 #define SOCKET_SUSPEND 0x0080 75 #define SOCKET_WIN_REQ(i) (0x0100<<(i)) 76 #define SOCKET_CARDBUS 0x8000 77 #define SOCKET_CARDBUS_CONFIG 0x10000 78 79 80 /* 81 * Stuff internal to module "pcmcia_rsrc": 82 */ 83 extern int static_init(struct pcmcia_socket *s); 84 extern struct resource *pcmcia_make_resource(resource_size_t start, 85 resource_size_t end, 86 unsigned long flags, const char *name); 87 88 /* 89 * Stuff internal to module "pcmcia_core": 90 */ 91 92 /* socket_sysfs.c */ 93 extern int pccard_sysfs_add_socket(struct device *dev); 94 extern void pccard_sysfs_remove_socket(struct device *dev); 95 96 /* cardbus.c */ 97 int cb_alloc(struct pcmcia_socket *s); 98 void cb_free(struct pcmcia_socket *s); 99 100 101 102 /* 103 * Stuff exported by module "pcmcia_core" to module "pcmcia" 104 */ 105 106 struct pcmcia_callback{ 107 struct module *owner; 108 int (*add) (struct pcmcia_socket *s); 109 int (*remove) (struct pcmcia_socket *s); 110 void (*requery) (struct pcmcia_socket *s); 111 int (*validate) (struct pcmcia_socket *s, unsigned int *i); 112 int (*suspend) (struct pcmcia_socket *s); 113 int (*early_resume) (struct pcmcia_socket *s); 114 int (*resume) (struct pcmcia_socket *s); 115 }; 116 117 /* cs.c */ 118 extern struct rw_semaphore pcmcia_socket_list_rwsem; 119 extern struct list_head pcmcia_socket_list; 120 extern struct class pcmcia_socket_class; 121 122 int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c); 123 struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr); 124 125 void pcmcia_parse_uevents(struct pcmcia_socket *socket, unsigned int events); 126 #define PCMCIA_UEVENT_EJECT 0x0001 127 #define PCMCIA_UEVENT_INSERT 0x0002 128 #define PCMCIA_UEVENT_SUSPEND 0x0004 129 #define PCMCIA_UEVENT_RESUME 0x0008 130 #define PCMCIA_UEVENT_REQUERY 0x0010 131 132 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt); 133 void pcmcia_put_socket(struct pcmcia_socket *skt); 134 135 /* 136 * Stuff internal to module "pcmcia". 137 */ 138 /* ds.c */ 139 extern struct bus_type pcmcia_bus_type; 140 141 struct pcmcia_device; 142 143 /* pcmcia_resource.c */ 144 extern int pcmcia_release_configuration(struct pcmcia_device *p_dev); 145 extern int pcmcia_validate_mem(struct pcmcia_socket *s); 146 extern struct resource *pcmcia_find_mem_region(u_long base, 147 u_long num, 148 u_long align, 149 int low, 150 struct pcmcia_socket *s); 151 152 void pcmcia_cleanup_irq(struct pcmcia_socket *s); 153 int pcmcia_setup_irq(struct pcmcia_device *p_dev); 154 155 /* cistpl.c */ 156 extern const struct bin_attribute pccard_cis_attr; 157 158 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, 159 u_int addr, u_int len, void *ptr); 160 int pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, 161 u_int addr, u_int len, void *ptr); 162 void release_cis_mem(struct pcmcia_socket *s); 163 void destroy_cis_cache(struct pcmcia_socket *s); 164 int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, 165 cisdata_t code, void *parse); 166 int pcmcia_replace_cis(struct pcmcia_socket *s, 167 const u8 *data, const size_t len); 168 int pccard_validate_cis(struct pcmcia_socket *s, unsigned int *count); 169 int verify_cis_cache(struct pcmcia_socket *s); 170 171 int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function, 172 cisdata_t code, cisparse_t *parse, void *priv_data, 173 int (*loop_tuple) (tuple_t *tuple, 174 cisparse_t *parse, 175 void *priv_data)); 176 177 int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, 178 tuple_t *tuple); 179 180 int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, 181 tuple_t *tuple); 182 183 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); 184 185 #endif /* _LINUX_CS_INTERNAL_H */ 186